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-rw-r--r--net/8021q/vlan.c19
-rw-r--r--net/8021q/vlanproc.c2
-rw-r--r--net/Kconfig20
-rw-r--r--net/Makefile1
-rw-r--r--net/atm/br2684.c4
-rw-r--r--net/atm/clip.c12
-rw-r--r--net/atm/lec.c17
-rw-r--r--net/atm/mpc.c2
-rw-r--r--net/atm/proc.c9
-rw-r--r--net/bluetooth/af_bluetooth.c4
-rw-r--r--net/bluetooth/bnep/netdev.c6
-rw-r--r--net/bridge/br_device.c2
-rw-r--r--net/bridge/br_netfilter.c96
-rw-r--r--net/bridge/br_stp.c2
-rw-r--r--net/compat.c17
-rw-r--r--net/core/dev.c59
-rw-r--r--net/core/ethtool.c16
-rw-r--r--net/core/neighbour.c95
-rw-r--r--net/core/net-sysfs.c2
-rw-r--r--net/core/net_namespace.c35
-rw-r--r--net/core/netpoll.c6
-rw-r--r--net/core/rtnetlink.c21
-rw-r--r--net/core/skbuff.c3
-rw-r--r--net/core/sock.c16
-rw-r--r--net/dccp/ccids/ccid3.c4
-rw-r--r--net/dccp/feat.c7
-rw-r--r--net/dccp/proto.c4
-rw-r--r--net/decnet/dn_route.c2
-rw-r--r--net/econet/af_econet.c4
-rw-r--r--net/ieee802154/af_ieee802154.c4
-rw-r--r--net/ieee802154/dgram.c6
-rw-r--r--net/ieee802154/netlink.c6
-rw-r--r--net/ieee802154/raw.c2
-rw-r--r--net/ipv4/af_inet.c12
-rw-r--r--net/ipv4/fib_trie.c52
-rw-r--r--net/ipv4/ip_gre.c6
-rw-r--r--net/ipv4/ipip.c6
-rw-r--r--net/ipv4/ipmr.c2
-rw-r--r--net/ipv4/route.c2
-rw-r--r--net/ipv4/tcp_output.c58
-rw-r--r--net/ipv4/udp.c144
-rw-r--r--net/ipv4/xfrm4_policy.c37
-rw-r--r--net/ipv6/af_inet6.c20
-rw-r--r--net/ipv6/ip6_fib.c16
-rw-r--r--net/ipv6/ip6_input.c6
-rw-r--r--net/ipv6/ip6_output.c26
-rw-r--r--net/ipv6/ip6_tunnel.c4
-rw-r--r--net/ipv6/ip6mr.c2
-rw-r--r--net/ipv6/mcast.c1
-rw-r--r--net/ipv6/proc.c4
-rw-r--r--net/ipv6/sit.c6
-rw-r--r--net/ipv6/sysctl_net_ipv6.c4
-rw-r--r--net/ipv6/udp.c141
-rw-r--r--net/ipv6/xfrm6_policy.c38
-rw-r--r--net/irda/ircomm/ircomm_event.c4
-rw-r--r--net/irda/ircomm/ircomm_tty_attach.c4
-rw-r--r--net/irda/iriap.c4
-rw-r--r--net/irda/irlan/irlan_common.c4
-rw-r--r--net/irda/irlan/irlan_eth.c4
-rw-r--r--net/irda/irlap.c2
-rw-r--r--net/irda/irlap_event.c4
-rw-r--r--net/irda/irlmp_event.c6
-rw-r--r--net/irda/irnetlink.c2
-rw-r--r--net/lapb/lapb_iface.c2
-rw-r--r--net/llc/llc_proc.c2
-rw-r--r--net/mac80211/Kconfig29
-rw-r--r--net/mac80211/Makefile4
-rw-r--r--net/mac80211/agg-tx.c3
-rw-r--r--net/mac80211/cfg.c230
-rw-r--r--net/mac80211/debugfs.c2
-rw-r--r--net/mac80211/debugfs_netdev.c46
-rw-r--r--net/mac80211/debugfs_sta.c98
-rw-r--r--net/mac80211/driver-ops.h85
-rw-r--r--net/mac80211/driver-trace.c9
-rw-r--r--net/mac80211/driver-trace.h648
-rw-r--r--net/mac80211/event.c23
-rw-r--r--net/mac80211/ibss.c23
-rw-r--r--net/mac80211/ieee80211_i.h231
-rw-r--r--net/mac80211/iface.c139
-rw-r--r--net/mac80211/key.c28
-rw-r--r--net/mac80211/main.c166
-rw-r--r--net/mac80211/mesh.c23
-rw-r--r--net/mac80211/mesh.h3
-rw-r--r--net/mac80211/mesh_hwmp.c13
-rw-r--r--net/mac80211/mesh_pathtbl.c26
-rw-r--r--net/mac80211/mlme.c1985
-rw-r--r--net/mac80211/pm.c8
-rw-r--r--net/mac80211/rate.c31
-rw-r--r--net/mac80211/rc80211_minstrel.c23
-rw-r--r--net/mac80211/rc80211_pid_algo.c12
-rw-r--r--net/mac80211/rx.c179
-rw-r--r--net/mac80211/scan.c358
-rw-r--r--net/mac80211/sta_info.h30
-rw-r--r--net/mac80211/tx.c426
-rw-r--r--net/mac80211/util.c122
-rw-r--r--net/mac80211/wep.c52
-rw-r--r--net/mac80211/wep.h7
-rw-r--r--net/mac80211/wext.c633
-rw-r--r--net/mac80211/wme.c6
-rw-r--r--net/mac80211/wme.h3
-rw-r--r--net/mac80211/wpa.c3
-rw-r--r--net/netfilter/ipvs/ip_vs_app.c19
-rw-r--r--net/netfilter/ipvs/ip_vs_conn.c17
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c27
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c67
-rw-r--r--net/netfilter/ipvs/ip_vs_dh.c7
-rw-r--r--net/netfilter/ipvs/ip_vs_est.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_ftp.c7
-rw-r--r--net/netfilter/ipvs/ip_vs_lblc.c9
-rw-r--r--net/netfilter/ipvs/ip_vs_lblcr.c17
-rw-r--r--net/netfilter/ipvs/ip_vs_lc.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_nq.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_proto.c12
-rw-r--r--net/netfilter/ipvs/ip_vs_proto_ah_esp.c7
-rw-r--r--net/netfilter/ipvs/ip_vs_proto_tcp.c7
-rw-r--r--net/netfilter/ipvs/ip_vs_proto_udp.c7
-rw-r--r--net/netfilter/ipvs/ip_vs_rr.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_sched.c41
-rw-r--r--net/netfilter/ipvs/ip_vs_sed.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_sh.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_sync.c53
-rw-r--r--net/netfilter/ipvs/ip_vs_wlc.c3
-rw-r--r--net/netfilter/ipvs/ip_vs_wrr.c7
-rw-r--r--net/netfilter/ipvs/ip_vs_xmit.c43
-rw-r--r--net/netlabel/netlabel_kapi.c6
-rw-r--r--net/netlink/af_netlink.c72
-rw-r--r--net/netlink/genetlink.c186
-rw-r--r--net/netrom/nr_dev.c4
-rw-r--r--net/packet/af_packet.c246
-rw-r--r--net/phonet/datagram.c5
-rw-r--r--net/phonet/pep-gprs.c4
-rw-r--r--net/phonet/pep.c7
-rw-r--r--net/phonet/pn_dev.c8
-rw-r--r--net/phonet/socket.c96
-rw-r--r--net/rds/connection.c49
-rw-r--r--net/rds/ib.c6
-rw-r--r--net/rds/ib.h18
-rw-r--r--net/rds/ib_cm.c62
-rw-r--r--net/rds/ib_rdma.c12
-rw-r--r--net/rds/ib_recv.c53
-rw-r--r--net/rds/ib_stats.c2
-rw-r--r--net/rds/ib_sysctl.c12
-rw-r--r--net/rds/iw.c15
-rw-r--r--net/rds/iw.h1
-rw-r--r--net/rds/iw_rdma.c28
-rw-r--r--net/rds/iw_send.c2
-rw-r--r--net/rds/iw_stats.c2
-rw-r--r--net/rds/rdma_transport.c10
-rw-r--r--net/rds/rds.h3
-rw-r--r--net/rds/recv.c24
-rw-r--r--net/rds/stats.c4
-rw-r--r--net/rfkill/core.c14
-rw-r--r--net/rose/rose_dev.c2
-rw-r--r--net/rxrpc/ar-ack.c2
-rw-r--r--net/sched/sch_generic.c93
-rw-r--r--net/sched/sch_teql.c6
-rw-r--r--net/sctp/debug.c14
-rw-r--r--net/tipc/netlink.c2
-rw-r--r--net/tipc/socket.c6
-rw-r--r--net/wireless/Kconfig43
-rw-r--r--net/wireless/Makefile4
-rw-r--r--net/wireless/core.c464
-rw-r--r--net/wireless/core.h220
-rw-r--r--net/wireless/debugfs.c14
-rw-r--r--net/wireless/debugfs.h8
-rw-r--r--net/wireless/ibss.c247
-rw-r--r--net/wireless/mlme.c607
-rw-r--r--net/wireless/nl80211.c1640
-rw-r--r--net/wireless/nl80211.h71
-rw-r--r--net/wireless/reg.c164
-rw-r--r--net/wireless/reg.h15
-rw-r--r--net/wireless/scan.c82
-rw-r--r--net/wireless/sme.c860
-rw-r--r--net/wireless/util.c66
-rw-r--r--net/wireless/wext-compat.c842
-rw-r--r--net/wireless/wext-compat.h50
-rw-r--r--net/wireless/wext-sme.c383
-rw-r--r--net/wireless/wext.c257
178 files changed, 9640 insertions, 4689 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index fe649081fbd..a1f16303703 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -225,12 +225,6 @@ int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id)
return -EOPNOTSUPP;
}
- /* The real device must be up and operating in order to
- * assosciate a VLAN device with it.
- */
- if (!(real_dev->flags & IFF_UP))
- return -ENETDOWN;
-
if (__find_vlan_dev(real_dev, vlan_id) != NULL)
return -EEXIST;
@@ -468,6 +462,19 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
}
break;
+ case NETDEV_CHANGEMTU:
+ for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+ vlandev = vlan_group_get_device(grp, i);
+ if (!vlandev)
+ continue;
+
+ if (vlandev->mtu <= dev->mtu)
+ continue;
+
+ dev_set_mtu(vlandev, dev->mtu);
+ }
+ break;
+
case NETDEV_FEAT_CHANGE:
/* Propagate device features to underlying device */
for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index b55a091a33d..6262c335f3c 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -107,7 +107,7 @@ static const struct file_operations vlandev_fops = {
*/
/* Strings */
-static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
+static const char *const vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
[VLAN_NAME_TYPE_RAW_PLUS_VID] = "VLAN_NAME_TYPE_RAW_PLUS_VID",
[VLAN_NAME_TYPE_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD",
[VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD",
diff --git a/net/Kconfig b/net/Kconfig
index 7051b971067..041c35edb76 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -23,6 +23,26 @@ menuconfig NET
if NET
+config WANT_COMPAT_NETLINK_MESSAGES
+ bool
+ help
+ This option can be selected by other options that need compat
+ netlink messages.
+
+config COMPAT_NETLINK_MESSAGES
+ def_bool y
+ depends on COMPAT
+ depends on WIRELESS_EXT || WANT_COMPAT_NETLINK_MESSAGES
+ help
+ This option makes it possible to send different netlink messages
+ to tasks depending on whether the task is a compat task or not. To
+ achieve this, you need to set skb_shinfo(skb)->frag_list to the
+ compat skb before sending the skb, the netlink code will sort out
+ which message to actually pass to the task.
+
+ Newly written code should NEVER need this option but do
+ compat-independent messages instead!
+
menu "Networking options"
source "net/packet/Kconfig"
diff --git a/net/Makefile b/net/Makefile
index ba324aefda7..1542e7268a7 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -24,7 +24,6 @@ obj-y += ipv6/
endif
obj-$(CONFIG_PACKET) += packet/
obj-$(CONFIG_NET_KEY) += key/
-obj-$(CONFIG_NET_SCHED) += sched/
obj-$(CONFIG_BRIDGE) += bridge/
obj-$(CONFIG_NET_DSA) += dsa/
obj-$(CONFIG_IPX) += ipx/
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 2912665fc58..848af113ba2 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -238,7 +238,7 @@ static int br2684_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* netif_stop_queue(dev); */
dev_kfree_skb(skb);
read_unlock(&devs_lock);
- return 0;
+ return NETDEV_TX_OK;
}
if (!br2684_xmit_vcc(skb, dev, brvcc)) {
/*
@@ -252,7 +252,7 @@ static int br2684_start_xmit(struct sk_buff *skb, struct net_device *dev)
dev->stats.tx_fifo_errors++;
}
read_unlock(&devs_lock);
- return 0;
+ return NETDEV_TX_OK;
}
/*
diff --git a/net/atm/clip.c b/net/atm/clip.c
index e65a3b1477f..64910bb8608 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -373,7 +373,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
printk(KERN_ERR "clip_start_xmit: skb_dst(skb) == NULL\n");
dev_kfree_skb(skb);
dev->stats.tx_dropped++;
- return 0;
+ return NETDEV_TX_OK;
}
if (!skb_dst(skb)->neighbour) {
#if 0
@@ -387,7 +387,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
printk(KERN_ERR "clip_start_xmit: NO NEIGHBOUR !\n");
dev_kfree_skb(skb);
dev->stats.tx_dropped++;
- return 0;
+ return NETDEV_TX_OK;
}
entry = NEIGH2ENTRY(skb_dst(skb)->neighbour);
if (!entry->vccs) {
@@ -402,7 +402,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
dev_kfree_skb(skb);
dev->stats.tx_dropped++;
}
- return 0;
+ return NETDEV_TX_OK;
}
pr_debug("neigh %p, vccs %p\n", entry, entry->vccs);
ATM_SKB(skb)->vcc = vcc = entry->vccs->vcc;
@@ -421,14 +421,14 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
old = xchg(&entry->vccs->xoff, 1); /* assume XOFF ... */
if (old) {
printk(KERN_WARNING "clip_start_xmit: XOFF->XOFF transition\n");
- return 0;
+ return NETDEV_TX_OK;
}
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
vcc->send(vcc, skb);
if (atm_may_send(vcc, 0)) {
entry->vccs->xoff = 0;
- return 0;
+ return NETDEV_TX_OK;
}
spin_lock_irqsave(&clip_priv->xoff_lock, flags);
netif_stop_queue(dev); /* XOFF -> throttle immediately */
@@ -440,7 +440,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
of the brief netif_stop_queue. If this isn't true or if it
changes, use netif_wake_queue instead. */
spin_unlock_irqrestore(&clip_priv->xoff_lock, flags);
- return 0;
+ return NETDEV_TX_OK;
}
static int clip_mkip(struct atm_vcc *vcc, int timeout)
diff --git a/net/atm/lec.c b/net/atm/lec.c
index ff2e594dca9..8e723c2654c 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -289,7 +289,7 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
kfree_skb(skb);
if (skb2 == NULL)
- return 0;
+ return NETDEV_TX_OK;
skb = skb2;
}
skb_push(skb, 2);
@@ -307,7 +307,7 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
kfree_skb(skb);
if (skb2 == NULL)
- return 0;
+ return NETDEV_TX_OK;
skb = skb2;
}
#endif
@@ -345,7 +345,7 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
dev_kfree_skb(skb);
if (skb2 == NULL) {
dev->stats.tx_dropped++;
- return 0;
+ return NETDEV_TX_OK;
}
skb = skb2;
}
@@ -416,7 +416,7 @@ out:
if (entry)
lec_arp_put(entry);
dev->trans_start = jiffies;
- return 0;
+ return NETDEV_TX_OK;
}
/* The inverse routine to net_open(). */
@@ -935,9 +935,9 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
}
#ifdef CONFIG_PROC_FS
-static char *lec_arp_get_status_string(unsigned char status)
+static const char *lec_arp_get_status_string(unsigned char status)
{
- static char *lec_arp_status_string[] = {
+ static const char *const lec_arp_status_string[] = {
"ESI_UNKNOWN ",
"ESI_ARP_PENDING ",
"ESI_VC_PENDING ",
@@ -1121,7 +1121,8 @@ static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos)
static int lec_seq_show(struct seq_file *seq, void *v)
{
- static char lec_banner[] = "Itf MAC ATM destination"
+ static const char lec_banner[] =
+ "Itf MAC ATM destination"
" Status Flags "
"VPI/VCI Recv VPI/VCI\n";
@@ -1505,7 +1506,7 @@ lec_arp_remove(struct lec_priv *priv, struct lec_arp_table *to_remove)
}
#if DEBUG_ARP_TABLE
-static char *get_status_string(unsigned char st)
+static const char *get_status_string(unsigned char st)
{
switch (st) {
case ESI_UNKNOWN:
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index e5bf11453a1..1ac4b94bf62 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -554,7 +554,7 @@ static int mpc_send_packet(struct sk_buff *skb, struct net_device *dev)
while (i < mpc->number_of_mps_macs) {
if (!compare_ether_addr(eth->h_dest, (mpc->mps_macs + i*ETH_ALEN)))
if ( send_via_shortcut(skb, mpc) == 0 ) /* try shortcut */
- return 0; /* success! */
+ return NETDEV_TX_OK; /* success! */
i++;
}
diff --git a/net/atm/proc.c b/net/atm/proc.c
index 38de5ff61ec..ab8419a324b 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -151,8 +151,9 @@ static void *vcc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
static void pvc_info(struct seq_file *seq, struct atm_vcc *vcc)
{
- static const char *class_name[] = { "off","UBR","CBR","VBR","ABR" };
- static const char *aal_name[] = {
+ static const char *const class_name[] =
+ {"off","UBR","CBR","VBR","ABR"};
+ static const char *const aal_name[] = {
"---", "1", "2", "3/4", /* 0- 3 */
"???", "5", "???", "???", /* 4- 7 */
"???", "???", "???", "???", /* 8-11 */
@@ -178,7 +179,7 @@ static void pvc_info(struct seq_file *seq, struct atm_vcc *vcc)
static const char *vcc_state(struct atm_vcc *vcc)
{
- static const char *map[] = { ATM_VS2TXT_MAP };
+ static const char *const map[] = { ATM_VS2TXT_MAP };
return map[ATM_VF2VS(vcc->flags)];
}
@@ -335,7 +336,7 @@ static const struct file_operations vcc_seq_fops = {
static int svc_seq_show(struct seq_file *seq, void *v)
{
- static char atm_svc_banner[] =
+ static const char atm_svc_banner[] =
"Itf VPI VCI State Remote\n";
if (v == SEQ_START_TOKEN)
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 0250e060015..8cfb5a84984 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -49,7 +49,7 @@ static struct net_proto_family *bt_proto[BT_MAX_PROTO];
static DEFINE_RWLOCK(bt_proto_lock);
static struct lock_class_key bt_lock_key[BT_MAX_PROTO];
-static const char *bt_key_strings[BT_MAX_PROTO] = {
+static const char *const bt_key_strings[BT_MAX_PROTO] = {
"sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP",
"sk_lock-AF_BLUETOOTH-BTPROTO_HCI",
"sk_lock-AF_BLUETOOTH-BTPROTO_SCO",
@@ -61,7 +61,7 @@ static const char *bt_key_strings[BT_MAX_PROTO] = {
};
static struct lock_class_key bt_slock_key[BT_MAX_PROTO];
-static const char *bt_slock_key_strings[BT_MAX_PROTO] = {
+static const char *const bt_slock_key_strings[BT_MAX_PROTO] = {
"slock-AF_BLUETOOTH-BTPROTO_L2CAP",
"slock-AF_BLUETOOTH-BTPROTO_HCI",
"slock-AF_BLUETOOTH-BTPROTO_SCO",
diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index d7a0e9722de..9c42990126a 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -175,14 +175,14 @@ static int bnep_net_xmit(struct sk_buff *skb, struct net_device *dev)
#ifdef CONFIG_BT_BNEP_MC_FILTER
if (bnep_net_mc_filter(skb, s)) {
kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
#endif
#ifdef CONFIG_BT_BNEP_PROTO_FILTER
if (bnep_net_proto_filter(skb, s)) {
kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
#endif
@@ -203,7 +203,7 @@ static int bnep_net_xmit(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
}
- return 0;
+ return NETDEV_TX_OK;
}
static const struct net_device_ops bnep_netdev_ops = {
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 18538d7460d..15d43ba86b5 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -39,7 +39,7 @@ int br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
else
br_flood_deliver(br, skb);
- return 0;
+ return NETDEV_TX_OK;
}
static int br_dev_open(struct net_device *dev)
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index d22f611e400..4fde7425077 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -905,46 +905,62 @@ static unsigned int ip_sabotage_in(unsigned int hook, struct sk_buff *skb,
* For br_nf_post_routing, we need (prio = NF_BR_PRI_LAST), because
* ip_refrag() can return NF_STOLEN. */
static struct nf_hook_ops br_nf_ops[] __read_mostly = {
- { .hook = br_nf_pre_routing,
- .owner = THIS_MODULE,
- .pf = PF_BRIDGE,
- .hooknum = NF_BR_PRE_ROUTING,
- .priority = NF_BR_PRI_BRNF, },
- { .hook = br_nf_local_in,
- .owner = THIS_MODULE,
- .pf = PF_BRIDGE,
- .hooknum = NF_BR_LOCAL_IN,
- .priority = NF_BR_PRI_BRNF, },
- { .hook = br_nf_forward_ip,
- .owner = THIS_MODULE,
- .pf = PF_BRIDGE,
- .hooknum = NF_BR_FORWARD,
- .priority = NF_BR_PRI_BRNF - 1, },
- { .hook = br_nf_forward_arp,
- .owner = THIS_MODULE,
- .pf = PF_BRIDGE,
- .hooknum = NF_BR_FORWARD,
- .priority = NF_BR_PRI_BRNF, },
- { .hook = br_nf_local_out,
- .owner = THIS_MODULE,
- .pf = PF_BRIDGE,
- .hooknum = NF_BR_LOCAL_OUT,
- .priority = NF_BR_PRI_FIRST, },
- { .hook = br_nf_post_routing,
- .owner = THIS_MODULE,
- .pf = PF_BRIDGE,
- .hooknum = NF_BR_POST_ROUTING,
- .priority = NF_BR_PRI_LAST, },
- { .hook = ip_sabotage_in,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_INET_PRE_ROUTING,
- .priority = NF_IP_PRI_FIRST, },
- { .hook = ip_sabotage_in,
- .owner = THIS_MODULE,
- .pf = PF_INET6,
- .hooknum = NF_INET_PRE_ROUTING,
- .priority = NF_IP6_PRI_FIRST, },
+ {
+ .hook = br_nf_pre_routing,
+ .owner = THIS_MODULE,
+ .pf = PF_BRIDGE,
+ .hooknum = NF_BR_PRE_ROUTING,
+ .priority = NF_BR_PRI_BRNF,
+ },
+ {
+ .hook = br_nf_local_in,
+ .owner = THIS_MODULE,
+ .pf = PF_BRIDGE,
+ .hooknum = NF_BR_LOCAL_IN,
+ .priority = NF_BR_PRI_BRNF,
+ },
+ {
+ .hook = br_nf_forward_ip,
+ .owner = THIS_MODULE,
+ .pf = PF_BRIDGE,
+ .hooknum = NF_BR_FORWARD,
+ .priority = NF_BR_PRI_BRNF - 1,
+ },
+ {
+ .hook = br_nf_forward_arp,
+ .owner = THIS_MODULE,
+ .pf = PF_BRIDGE,
+ .hooknum = NF_BR_FORWARD,
+ .priority = NF_BR_PRI_BRNF,
+ },
+ {
+ .hook = br_nf_local_out,
+ .owner = THIS_MODULE,
+ .pf = PF_BRIDGE,
+ .hooknum = NF_BR_LOCAL_OUT,
+ .priority = NF_BR_PRI_FIRST,
+ },
+ {
+ .hook = br_nf_post_routing,
+ .owner = THIS_MODULE,
+ .pf = PF_BRIDGE,
+ .hooknum = NF_BR_POST_ROUTING,
+ .priority = NF_BR_PRI_LAST,
+ },
+ {
+ .hook = ip_sabotage_in,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_INET_PRE_ROUTING,
+ .priority = NF_IP_PRI_FIRST,
+ },
+ {
+ .hook = ip_sabotage_in,
+ .owner = THIS_MODULE,
+ .pf = PF_INET6,
+ .hooknum = NF_INET_PRE_ROUTING,
+ .priority = NF_IP6_PRI_FIRST,
+ },
};
#ifdef CONFIG_SYSCTL
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 0660515f399..fd3f8d6c099 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -21,7 +21,7 @@
*/
#define MESSAGE_AGE_INCR ((HZ < 256) ? 1 : (HZ/256))
-static const char *br_port_state_names[] = {
+static const char *const br_port_state_names[] = {
[BR_STATE_DISABLED] = "disabled",
[BR_STATE_LISTENING] = "listening",
[BR_STATE_LEARNING] = "learning",
diff --git a/net/compat.c b/net/compat.c
index 8d739053afe..12728b17a22 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -743,6 +743,18 @@ asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, uns
return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
}
+asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, unsigned flags)
+{
+ return sys_recv(fd, buf, len, flags | MSG_CMSG_COMPAT);
+}
+
+asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
+ unsigned flags, struct sockaddr __user *addr,
+ int __user *addrlen)
+{
+ return sys_recvfrom(fd, buf, len, flags | MSG_CMSG_COMPAT, addr, addrlen);
+}
+
asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
{
int ret;
@@ -788,10 +800,11 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
ret = sys_sendto(a0, compat_ptr(a1), a[2], a[3], compat_ptr(a[4]), a[5]);
break;
case SYS_RECV:
- ret = sys_recv(a0, compat_ptr(a1), a[2], a[3]);
+ ret = compat_sys_recv(a0, compat_ptr(a1), a[2], a[3]);
break;
case SYS_RECVFROM:
- ret = sys_recvfrom(a0, compat_ptr(a1), a[2], a[3], compat_ptr(a[4]), compat_ptr(a[5]));
+ ret = compat_sys_recvfrom(a0, compat_ptr(a1), a[2], a[3],
+ compat_ptr(a[4]), compat_ptr(a[5]));
break;
case SYS_SHUTDOWN:
ret = sys_shutdown(a0,a1);
diff --git a/net/core/dev.c b/net/core/dev.c
index 6a94475aee8..09fb03fa1ae 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -272,7 +272,7 @@ static const unsigned short netdev_lock_type[] =
ARPHRD_PHONET_PIPE, ARPHRD_IEEE802154, ARPHRD_IEEE802154_PHY,
ARPHRD_VOID, ARPHRD_NONE};
-static const char *netdev_lock_name[] =
+static const char *const netdev_lock_name[] =
{"_xmit_NETROM", "_xmit_ETHER", "_xmit_EETHER", "_xmit_AX25",
"_xmit_PRONET", "_xmit_CHAOS", "_xmit_IEEE802", "_xmit_ARCNET",
"_xmit_APPLETLK", "_xmit_DLCI", "_xmit_ATM", "_xmit_METRICOM",
@@ -1704,7 +1704,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
skb_dst_drop(skb);
rc = ops->ndo_start_xmit(skb, dev);
- if (rc == 0)
+ if (rc == NETDEV_TX_OK)
txq_trans_update(txq);
/*
* TODO: if skb_orphan() was called by
@@ -1730,7 +1730,7 @@ gso:
skb->next = nskb->next;
nskb->next = NULL;
rc = ops->ndo_start_xmit(nskb, dev);
- if (unlikely(rc)) {
+ if (unlikely(rc != NETDEV_TX_OK)) {
nskb->next = skb->next;
skb->next = nskb;
return rc;
@@ -1744,7 +1744,7 @@ gso:
out_kfree_skb:
kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static u32 skb_tx_hashrnd;
@@ -1786,6 +1786,40 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
return netdev_get_tx_queue(dev, queue_index);
}
+static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
+ struct net_device *dev,
+ struct netdev_queue *txq)
+{
+ spinlock_t *root_lock = qdisc_lock(q);
+ int rc;
+
+ spin_lock(root_lock);
+ if (unlikely(test_bit(__QDISC_STATE_DEACTIVATED, &q->state))) {
+ kfree_skb(skb);
+ rc = NET_XMIT_DROP;
+ } else if ((q->flags & TCQ_F_CAN_BYPASS) && !qdisc_qlen(q) &&
+ !test_and_set_bit(__QDISC_STATE_RUNNING, &q->state)) {
+ /*
+ * This is a work-conserving queue; there are no old skbs
+ * waiting to be sent out; and the qdisc is not running -
+ * xmit the skb directly.
+ */
+ __qdisc_update_bstats(q, skb->len);
+ if (sch_direct_xmit(skb, q, dev, txq, root_lock))
+ __qdisc_run(q);
+ else
+ clear_bit(__QDISC_STATE_RUNNING, &q->state);
+
+ rc = NET_XMIT_SUCCESS;
+ } else {
+ rc = qdisc_enqueue_root(skb, q);
+ qdisc_run(q);
+ }
+ spin_unlock(root_lock);
+
+ return rc;
+}
+
/**
* dev_queue_xmit - transmit a buffer
* @skb: buffer to transmit
@@ -1859,19 +1893,7 @@ gso:
skb->tc_verd = SET_TC_AT(skb->tc_verd,AT_EGRESS);
#endif
if (q->enqueue) {
- spinlock_t *root_lock = qdisc_lock(q);
-
- spin_lock(root_lock);
-
- if (unlikely(test_bit(__QDISC_STATE_DEACTIVATED, &q->state))) {
- kfree_skb(skb);
- rc = NET_XMIT_DROP;
- } else {
- rc = qdisc_enqueue_root(skb, q);
- qdisc_run(q);
- }
- spin_unlock(root_lock);
-
+ rc = __dev_xmit_skb(skb, q, dev, txq);
goto out;
}
@@ -3927,6 +3949,7 @@ int __dev_addr_sync(struct dev_addr_list **to, int *to_count,
}
return err;
}
+EXPORT_SYMBOL_GPL(__dev_addr_sync);
void __dev_addr_unsync(struct dev_addr_list **to, int *to_count,
struct dev_addr_list **from, int *from_count)
@@ -3946,6 +3969,7 @@ void __dev_addr_unsync(struct dev_addr_list **to, int *to_count,
da = next;
}
}
+EXPORT_SYMBOL_GPL(__dev_addr_unsync);
/**
* dev_unicast_sync - Synchronize device's unicast list to another device
@@ -5347,6 +5371,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
out:
return err;
}
+EXPORT_SYMBOL_GPL(dev_change_net_namespace);
static int dev_cpu_callback(struct notifier_block *nfb,
unsigned long action,
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index d9d5160610d..44e571111d3 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -30,10 +30,17 @@ u32 ethtool_op_get_link(struct net_device *dev)
return netif_carrier_ok(dev) ? 1 : 0;
}
+u32 ethtool_op_get_rx_csum(struct net_device *dev)
+{
+ return (dev->features & NETIF_F_ALL_CSUM) != 0;
+}
+EXPORT_SYMBOL(ethtool_op_get_rx_csum);
+
u32 ethtool_op_get_tx_csum(struct net_device *dev)
{
return (dev->features & NETIF_F_ALL_CSUM) != 0;
}
+EXPORT_SYMBOL(ethtool_op_get_tx_csum);
int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
{
@@ -1004,7 +1011,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
break;
case ETHTOOL_GRXCSUM:
rc = ethtool_get_value(dev, useraddr, ethcmd,
- dev->ethtool_ops->get_rx_csum);
+ (dev->ethtool_ops->get_rx_csum ?
+ dev->ethtool_ops->get_rx_csum :
+ ethtool_op_get_rx_csum));
break;
case ETHTOOL_SRXCSUM:
rc = ethtool_set_rx_csum(dev, useraddr);
@@ -1068,7 +1077,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
break;
case ETHTOOL_GFLAGS:
rc = ethtool_get_value(dev, useraddr, ethcmd,
- dev->ethtool_ops->get_flags);
+ (dev->ethtool_ops->get_flags ?
+ dev->ethtool_ops->get_flags :
+ ethtool_op_get_flags));
break;
case ETHTOOL_SFLAGS:
rc = ethtool_set_value(dev, useraddr,
@@ -1116,7 +1127,6 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
EXPORT_SYMBOL(ethtool_op_get_link);
EXPORT_SYMBOL(ethtool_op_get_sg);
EXPORT_SYMBOL(ethtool_op_get_tso);
-EXPORT_SYMBOL(ethtool_op_get_tx_csum);
EXPORT_SYMBOL(ethtool_op_set_sg);
EXPORT_SYMBOL(ethtool_op_set_tso);
EXPORT_SYMBOL(ethtool_op_set_tx_csum);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 163b4f5b036..e587e681969 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -692,75 +692,74 @@ static void neigh_connect(struct neighbour *neigh)
hh->hh_output = neigh->ops->hh_output;
}
-static void neigh_periodic_timer(unsigned long arg)
+static void neigh_periodic_work(struct work_struct *work)
{
- struct neigh_table *tbl = (struct neigh_table *)arg;
+ struct neigh_table *tbl = container_of(work, struct neigh_table, gc_work.work);
struct neighbour *n, **np;
- unsigned long expire, now = jiffies;
+ unsigned int i;
NEIGH_CACHE_STAT_INC(tbl, periodic_gc_runs);
- write_lock(&tbl->lock);
+ write_lock_bh(&tbl->lock);
/*
* periodically recompute ReachableTime from random function
*/
- if (time_after(now, tbl->last_rand + 300 * HZ)) {
+ if (time_after(jiffies, tbl->last_rand + 300 * HZ)) {
struct neigh_parms *p;
- tbl->last_rand = now;
+ tbl->last_rand = jiffies;
for (p = &tbl->parms; p; p = p->next)
p->reachable_time =
neigh_rand_reach_time(p->base_reachable_time);
}
- np = &tbl->hash_buckets[tbl->hash_chain_gc];
- tbl->hash_chain_gc = ((tbl->hash_chain_gc + 1) & tbl->hash_mask);
+ for (i = 0 ; i <= tbl->hash_mask; i++) {
+ np = &tbl->hash_buckets[i];
- while ((n = *np) != NULL) {
- unsigned int state;
+ while ((n = *np) != NULL) {
+ unsigned int state;
- write_lock(&n->lock);
+ write_lock(&n->lock);
- state = n->nud_state;
- if (state & (NUD_PERMANENT | NUD_IN_TIMER)) {
- write_unlock(&n->lock);
- goto next_elt;
- }
+ state = n->nud_state;
+ if (state & (NUD_PERMANENT | NUD_IN_TIMER)) {
+ write_unlock(&n->lock);
+ goto next_elt;
+ }
- if (time_before(n->used, n->confirmed))
- n->used = n->confirmed;
+ if (time_before(n->used, n->confirmed))
+ n->used = n->confirmed;
- if (atomic_read(&n->refcnt) == 1 &&
- (state == NUD_FAILED ||
- time_after(now, n->used + n->parms->gc_staletime))) {
- *np = n->next;
- n->dead = 1;
+ if (atomic_read(&n->refcnt) == 1 &&
+ (state == NUD_FAILED ||
+ time_after(jiffies, n->used + n->parms->gc_staletime))) {
+ *np = n->next;
+ n->dead = 1;
+ write_unlock(&n->lock);
+ neigh_cleanup_and_release(n);
+ continue;
+ }
write_unlock(&n->lock);
- neigh_cleanup_and_release(n);
- continue;
- }
- write_unlock(&n->lock);
next_elt:
- np = &n->next;
+ np = &n->next;
+ }
+ /*
+ * It's fine to release lock here, even if hash table
+ * grows while we are preempted.
+ */
+ write_unlock_bh(&tbl->lock);
+ cond_resched();
+ write_lock_bh(&tbl->lock);
}
-
/* Cycle through all hash buckets every base_reachable_time/2 ticks.
* ARP entry timeouts range from 1/2 base_reachable_time to 3/2
* base_reachable_time.
*/
- expire = tbl->parms.base_reachable_time >> 1;
- expire /= (tbl->hash_mask + 1);
- if (!expire)
- expire = 1;
-
- if (expire>HZ)
- mod_timer(&tbl->gc_timer, round_jiffies(now + expire));
- else
- mod_timer(&tbl->gc_timer, now + expire);
-
- write_unlock(&tbl->lock);
+ schedule_delayed_work(&tbl->gc_work,
+ tbl->parms.base_reachable_time >> 1);
+ write_unlock_bh(&tbl->lock);
}
static __inline__ int neigh_max_probes(struct neighbour *n)
@@ -1316,7 +1315,7 @@ void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
}
EXPORT_SYMBOL(pneigh_enqueue);
-static inline struct neigh_parms *lookup_neigh_params(struct neigh_table *tbl,
+static inline struct neigh_parms *lookup_neigh_parms(struct neigh_table *tbl,
struct net *net, int ifindex)
{
struct neigh_parms *p;
@@ -1337,7 +1336,7 @@ struct neigh_parms *neigh_parms_alloc(struct net_device *dev,
struct net *net = dev_net(dev);
const struct net_device_ops *ops = dev->netdev_ops;
- ref = lookup_neigh_params(tbl, net, 0);
+ ref = lookup_neigh_parms(tbl, net, 0);
if (!ref)
return NULL;
@@ -1442,10 +1441,8 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl)
get_random_bytes(&tbl->hash_rnd, sizeof(tbl->hash_rnd));
rwlock_init(&tbl->lock);
- setup_timer(&tbl->gc_timer, neigh_periodic_timer, (unsigned long)tbl);
- tbl->gc_timer.expires = now + 1;
- add_timer(&tbl->gc_timer);
-
+ INIT_DELAYED_WORK_DEFERRABLE(&tbl->gc_work, neigh_periodic_work);
+ schedule_delayed_work(&tbl->gc_work, tbl->parms.reachable_time);
setup_timer(&tbl->proxy_timer, neigh_proxy_process, (unsigned long)tbl);
skb_queue_head_init_class(&tbl->proxy_queue,
&neigh_table_proxy_queue_class);
@@ -1482,7 +1479,8 @@ int neigh_table_clear(struct neigh_table *tbl)
struct neigh_table **tp;
/* It is not clean... Fix it to unload IPv6 module safely */
- del_timer_sync(&tbl->gc_timer);
+ cancel_delayed_work(&tbl->gc_work);
+ flush_scheduled_work();
del_timer_sync(&tbl->proxy_timer);
pneigh_queue_purge(&tbl->proxy_queue);
neigh_ifdown(tbl, NULL);
@@ -1752,7 +1750,6 @@ static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
.ndtc_last_rand = jiffies_to_msecs(rand_delta),
.ndtc_hash_rnd = tbl->hash_rnd,
.ndtc_hash_mask = tbl->hash_mask,
- .ndtc_hash_chain_gc = tbl->hash_chain_gc,
.ndtc_proxy_qlen = tbl->proxy_queue.qlen,
};
@@ -1906,7 +1903,7 @@ static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
if (tbp[NDTPA_IFINDEX])
ifindex = nla_get_u32(tbp[NDTPA_IFINDEX]);
- p = lookup_neigh_params(tbl, net, ifindex);
+ p = lookup_neigh_parms(tbl, net, ifindex);
if (p == NULL) {
err = -ENOENT;
goto errout_tbl_lock;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 3994680c08b..ad91e9e5f47 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -141,7 +141,7 @@ static ssize_t show_dormant(struct device *dev,
return -EINVAL;
}
-static const char *operstates[] = {
+static const char *const operstates[] = {
"unknown",
"notpresent", /* currently unused */
"down",
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 197283072cc..1c1af2756f3 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -6,6 +6,8 @@
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/idr.h>
+#include <linux/rculist.h>
+#include <linux/nsproxy.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
@@ -127,7 +129,7 @@ static struct net *net_create(void)
rv = setup_net(net);
if (rv == 0) {
rtnl_lock();
- list_add_tail(&net->list, &net_namespace_list);
+ list_add_tail_rcu(&net->list, &net_namespace_list);
rtnl_unlock();
}
mutex_unlock(&net_mutex);
@@ -156,9 +158,16 @@ static void cleanup_net(struct work_struct *work)
/* Don't let anyone else find us. */
rtnl_lock();
- list_del(&net->list);
+ list_del_rcu(&net->list);
rtnl_unlock();
+ /*
+ * Another CPU might be rcu-iterating the list, wait for it.
+ * This needs to be before calling the exit() notifiers, so
+ * the rcu_barrier() below isn't sufficient alone.
+ */
+ synchronize_rcu();
+
/* Run all of the network namespace exit methods */
list_for_each_entry_reverse(ops, &pernet_list, list) {
if (ops->exit)
@@ -193,6 +202,26 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
}
#endif
+struct net *get_net_ns_by_pid(pid_t pid)
+{
+ struct task_struct *tsk;
+ struct net *net;
+
+ /* Lookup the network namespace */
+ net = ERR_PTR(-ESRCH);
+ rcu_read_lock();
+ tsk = find_task_by_vpid(pid);
+ if (tsk) {
+ struct nsproxy *nsproxy;
+ nsproxy = task_nsproxy(tsk);
+ if (nsproxy)
+ net = get_net(nsproxy->net_ns);
+ }
+ rcu_read_unlock();
+ return net;
+}
+EXPORT_SYMBOL_GPL(get_net_ns_by_pid);
+
static int __init net_ns_init(void)
{
struct net_generic *ng;
@@ -219,7 +248,7 @@ static int __init net_ns_init(void)
panic("Could not setup the initial network namespace");
rtnl_lock();
- list_add_tail(&init_net.list, &net_namespace_list);
+ list_add_tail_rcu(&init_net.list, &net_namespace_list);
rtnl_unlock();
mutex_unlock(&net_mutex);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index df30feb2fc7..0ac309154b0 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -9,6 +9,7 @@
* Copyright (C) 2002 Red Hat, Inc.
*/
+#include <linux/moduleparam.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/string.h>
@@ -50,6 +51,9 @@ static atomic_t trapped;
static void zap_completion_queue(void);
static void arp_reply(struct sk_buff *skb);
+static unsigned int carrier_timeout = 4;
+module_param(carrier_timeout, uint, 0644);
+
static void queue_process(struct work_struct *work)
{
struct netpoll_info *npinfo =
@@ -732,7 +736,7 @@ int netpoll_setup(struct netpoll *np)
}
atleast = jiffies + HZ/10;
- atmost = jiffies + 4*HZ;
+ atmost = jiffies + carrier_timeout * HZ;
while (!netif_carrier_ok(ndev)) {
if (time_after(jiffies, atmost)) {
printk(KERN_NOTICE
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d78030f88bd..b44775f9f2b 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -35,7 +35,6 @@
#include <linux/security.h>
#include <linux/mutex.h>
#include <linux/if_addr.h>
-#include <linux/nsproxy.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -52,6 +51,7 @@
#include <net/pkt_sched.h>
#include <net/fib_rules.h>
#include <net/rtnetlink.h>
+#include <net/net_namespace.h>
struct rtnl_link
{
@@ -725,25 +725,6 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
[IFLA_INFO_DATA] = { .type = NLA_NESTED },
};
-static struct net *get_net_ns_by_pid(pid_t pid)
-{
- struct task_struct *tsk;
- struct net *net;
-
- /* Lookup the network namespace */
- net = ERR_PTR(-ESRCH);
- rcu_read_lock();
- tsk = find_task_by_vpid(pid);
- if (tsk) {
- struct nsproxy *nsproxy;
- nsproxy = task_nsproxy(tsk);
- if (nsproxy)
- net = get_net(nsproxy->net_ns);
- }
- rcu_read_unlock();
- return net;
-}
-
static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
{
if (dev) {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 9e0597d189b..80a96166df3 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -559,9 +559,6 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
#endif
#endif
new->vlan_tci = old->vlan_tci;
-#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
- new->do_not_encrypt = old->do_not_encrypt;
-#endif
skb_copy_secmark(new, old);
}
diff --git a/net/core/sock.c b/net/core/sock.c
index bbb25be7ddf..3ac34ea6ec0 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -142,7 +142,7 @@ static struct lock_class_key af_family_slock_keys[AF_MAX];
* strings build-time, so that runtime initialization of socket
* locks is fast):
*/
-static const char *af_family_key_strings[AF_MAX+1] = {
+static const char *const af_family_key_strings[AF_MAX+1] = {
"sk_lock-AF_UNSPEC", "sk_lock-AF_UNIX" , "sk_lock-AF_INET" ,
"sk_lock-AF_AX25" , "sk_lock-AF_IPX" , "sk_lock-AF_APPLETALK",
"sk_lock-AF_NETROM", "sk_lock-AF_BRIDGE" , "sk_lock-AF_ATMPVC" ,
@@ -158,7 +158,7 @@ static const char *af_family_key_strings[AF_MAX+1] = {
"sk_lock-AF_IEEE802154",
"sk_lock-AF_MAX"
};
-static const char *af_family_slock_key_strings[AF_MAX+1] = {
+static const char *const af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" ,
"slock-AF_AX25" , "slock-AF_IPX" , "slock-AF_APPLETALK",
"slock-AF_NETROM", "slock-AF_BRIDGE" , "slock-AF_ATMPVC" ,
@@ -174,7 +174,7 @@ static const char *af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_IEEE802154",
"slock-AF_MAX"
};
-static const char *af_family_clock_key_strings[AF_MAX+1] = {
+static const char *const af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" ,
"clock-AF_AX25" , "clock-AF_IPX" , "clock-AF_APPLETALK",
"clock-AF_NETROM", "clock-AF_BRIDGE" , "clock-AF_ATMPVC" ,
@@ -482,6 +482,8 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
sk->sk_reuse = valbool;
break;
case SO_TYPE:
+ case SO_PROTOCOL:
+ case SO_DOMAIN:
case SO_ERROR:
ret = -ENOPROTOOPT;
break;
@@ -764,6 +766,14 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
v.val = sk->sk_type;
break;
+ case SO_PROTOCOL:
+ v.val = sk->sk_protocol;
+ break;
+
+ case SO_DOMAIN:
+ v.val = sk->sk_family;
+ break;
+
case SO_ERROR:
v.val = -sock_error(sk);
if (v.val == 0)
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index a27b7f4c19c..f596ce149c3 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -52,7 +52,7 @@ static int ccid3_debug;
#ifdef CONFIG_IP_DCCP_CCID3_DEBUG
static const char *ccid3_tx_state_name(enum ccid3_hc_tx_states state)
{
- static char *ccid3_state_names[] = {
+ static const char *const ccid3_state_names[] = {
[TFRC_SSTATE_NO_SENT] = "NO_SENT",
[TFRC_SSTATE_NO_FBACK] = "NO_FBACK",
[TFRC_SSTATE_FBACK] = "FBACK",
@@ -646,7 +646,7 @@ enum ccid3_fback_type {
#ifdef CONFIG_IP_DCCP_CCID3_DEBUG
static const char *ccid3_rx_state_name(enum ccid3_hc_rx_states state)
{
- static char *ccid3_rx_state_names[] = {
+ static const char *const ccid3_rx_state_names[] = {
[TFRC_RSTATE_NO_DATA] = "NO_DATA",
[TFRC_RSTATE_DATA] = "DATA",
[TFRC_RSTATE_TERM] = "TERM",
diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index b04160a2eea..972b8dc918d 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -213,7 +213,7 @@ static int dccp_feat_default_value(u8 feat_num)
*/
static const char *dccp_feat_fname(const u8 feat)
{
- static const char *feature_names[] = {
+ static const char *const feature_names[] = {
[DCCPF_RESERVED] = "Reserved",
[DCCPF_CCID] = "CCID",
[DCCPF_SHORT_SEQNOS] = "Allow Short Seqnos",
@@ -236,8 +236,9 @@ static const char *dccp_feat_fname(const u8 feat)
return feature_names[feat];
}
-static const char *dccp_feat_sname[] = { "DEFAULT", "INITIALISING", "CHANGING",
- "UNSTABLE", "STABLE" };
+static const char *const dccp_feat_sname[] = {
+ "DEFAULT", "INITIALISING", "CHANGING", "UNSTABLE", "STABLE",
+};
#ifdef CONFIG_IP_DCCP_DEBUG
static const char *dccp_feat_oname(const u8 opt)
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 1bca9205104..923db06c7e5 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -124,7 +124,7 @@ EXPORT_SYMBOL_GPL(dccp_done);
const char *dccp_packet_name(const int type)
{
- static const char *dccp_packet_names[] = {
+ static const char *const dccp_packet_names[] = {
[DCCP_PKT_REQUEST] = "REQUEST",
[DCCP_PKT_RESPONSE] = "RESPONSE",
[DCCP_PKT_DATA] = "DATA",
@@ -147,7 +147,7 @@ EXPORT_SYMBOL_GPL(dccp_packet_name);
const char *dccp_state_name(const int state)
{
- static char *dccp_state_names[] = {
+ static const char *const dccp_state_names[] = {
[DCCP_OPEN] = "OPEN",
[DCCP_REQUESTING] = "REQUESTING",
[DCCP_PARTOPEN] = "PARTOPEN",
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 1d6ca8a98dc..9383d3e5a1a 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -774,7 +774,7 @@ static int dn_rt_bug(struct sk_buff *skb)
kfree_skb(skb);
- return NET_RX_BAD;
+ return NET_RX_DROP;
}
static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index f0bbc57926c..0e0254fd767 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -1073,7 +1073,7 @@ static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
skb->protocol = htons(ETH_P_IP);
skb_pull(skb, sizeof(struct ec_framehdr));
netif_rx(skb);
- return 0;
+ return NET_RX_SUCCESS;
}
sk = ec_listening_socket(hdr->port, hdr->src_stn, hdr->src_net);
@@ -1084,7 +1084,7 @@ static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
hdr->port))
goto drop;
- return 0;
+ return NET_RX_SUCCESS;
drop:
kfree_skb(skb);
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index af661805b9f..d504c349cb0 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -34,8 +34,8 @@
#include <net/tcp_states.h>
#include <net/route.h>
-#include <net/ieee802154/af_ieee802154.h>
-#include <net/ieee802154/netdevice.h>
+#include <net/af_ieee802154.h>
+#include <net/ieee802154_netdev.h>
#include "af802154.h"
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index ba8b214dda8..d1da6c619c7 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -26,9 +26,9 @@
#include <linux/if_arp.h>
#include <linux/list.h>
#include <net/sock.h>
-#include <net/ieee802154/af_ieee802154.h>
-#include <net/ieee802154/mac_def.h>
-#include <net/ieee802154/netdevice.h>
+#include <net/af_ieee802154.h>
+#include <net/ieee802154.h>
+#include <net/ieee802154_netdev.h>
#include <asm/ioctls.h>
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 27eda9fdf3c..a615b9d1321 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -27,9 +27,9 @@
#include <net/netlink.h>
#include <net/genetlink.h>
#include <linux/nl802154.h>
-#include <net/ieee802154/af_ieee802154.h>
-#include <net/ieee802154/nl802154.h>
-#include <net/ieee802154/netdevice.h>
+#include <net/af_ieee802154.h>
+#include <net/nl802154.h>
+#include <net/ieee802154_netdev.h>
static unsigned int ieee802154_seq_num;
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
index 9315977c4c6..60dee69a1d0 100644
--- a/net/ieee802154/raw.c
+++ b/net/ieee802154/raw.c
@@ -26,7 +26,7 @@
#include <linux/if_arp.h>
#include <linux/list.h>
#include <net/sock.h>
-#include <net/ieee802154/af_ieee802154.h>
+#include <net/af_ieee802154.h>
#include "af802154.h"
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 566ea6c4321..197d024b253 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1187,6 +1187,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features)
int proto;
int ihl;
int id;
+ unsigned int offset = 0;
if (!(features & NETIF_F_V4_CSUM))
features &= ~NETIF_F_SG;
@@ -1229,7 +1230,14 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features)
skb = segs;
do {
iph = ip_hdr(skb);
- iph->id = htons(id++);
+ if (proto == IPPROTO_UDP) {
+ iph->id = htons(id);
+ iph->frag_off = htons(offset >> 3);
+ if (skb->next != NULL)
+ iph->frag_off |= htons(IP_MF);
+ offset += (skb->len - skb->mac_len - iph->ihl * 4);
+ } else
+ iph->id = htons(id++);
iph->tot_len = htons(skb->len - skb->mac_len);
iph->check = 0;
iph->check = ip_fast_csum(skb_network_header(skb), iph->ihl);
@@ -1425,6 +1433,8 @@ static struct net_protocol tcp_protocol = {
static struct net_protocol udp_protocol = {
.handler = udp_rcv,
.err_handler = udp_err,
+ .gso_send_check = udp4_ufo_send_check,
+ .gso_segment = udp4_ufo_fragment,
.no_policy = 1,
.netns_ok = 1,
};
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 63c2fa7b68c..fe3c846b99a 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -164,6 +164,14 @@ static struct tnode *inflate(struct trie *t, struct tnode *tn);
static struct tnode *halve(struct trie *t, struct tnode *tn);
/* tnodes to free after resize(); protected by RTNL */
static struct tnode *tnode_free_head;
+static size_t tnode_free_size;
+
+/*
+ * synchronize_rcu after call_rcu for that many pages; it should be especially
+ * useful before resizing the root node with PREEMPT_NONE configs; the value was
+ * obtained experimentally, aiming to avoid visible slowdown.
+ */
+static const int sync_pages = 128;
static struct kmem_cache *fn_alias_kmem __read_mostly;
static struct kmem_cache *trie_leaf_kmem __read_mostly;
@@ -319,6 +327,8 @@ static const int inflate_threshold = 50;
static const int halve_threshold_root = 15;
static const int inflate_threshold_root = 25;
+static int inflate_threshold_root_fix;
+#define INFLATE_FIX_MAX 10 /* a comment in resize() */
static void __alias_free_mem(struct rcu_head *head)
{
@@ -393,6 +403,8 @@ static void tnode_free_safe(struct tnode *tn)
BUG_ON(IS_LEAF(tn));
tn->tnode_free = tnode_free_head;
tnode_free_head = tn;
+ tnode_free_size += sizeof(struct tnode) +
+ (sizeof(struct node *) << tn->bits);
}
static void tnode_free_flush(void)
@@ -404,6 +416,11 @@ static void tnode_free_flush(void)
tn->tnode_free = NULL;
tnode_free(tn);
}
+
+ if (tnode_free_size >= PAGE_SIZE * sync_pages) {
+ tnode_free_size = 0;
+ synchronize_rcu();
+ }
}
static struct leaf *leaf_new(void)
@@ -602,7 +619,8 @@ static struct node *resize(struct trie *t, struct tnode *tn)
/* Keep root node larger */
if (!tn->parent)
- inflate_threshold_use = inflate_threshold_root;
+ inflate_threshold_use = inflate_threshold_root +
+ inflate_threshold_root_fix;
else
inflate_threshold_use = inflate_threshold;
@@ -626,15 +644,27 @@ static struct node *resize(struct trie *t, struct tnode *tn)
}
if (max_resize < 0) {
- if (!tn->parent)
- pr_warning("Fix inflate_threshold_root."
- " Now=%d size=%d bits\n",
- inflate_threshold_root, tn->bits);
- else
+ if (!tn->parent) {
+ /*
+ * It was observed that during large updates even
+ * inflate_threshold_root = 35 might be needed to avoid
+ * this warning; but it should be temporary, so let's
+ * try to handle this automatically.
+ */
+ if (inflate_threshold_root_fix < INFLATE_FIX_MAX)
+ inflate_threshold_root_fix++;
+ else
+ pr_warning("Fix inflate_threshold_root."
+ " Now=%d size=%d bits fix=%d\n",
+ inflate_threshold_root, tn->bits,
+ inflate_threshold_root_fix);
+ } else {
pr_warning("Fix inflate_threshold."
" Now=%d size=%d bits\n",
inflate_threshold, tn->bits);
- }
+ }
+ } else if (max_resize > 3 && !tn->parent && inflate_threshold_root_fix)
+ inflate_threshold_root_fix--;
check_tnode(tn);
@@ -1435,7 +1465,7 @@ static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
cindex = tkey_extract_bits(mask_pfx(key, current_prefix_length),
pos, bits);
- n = tnode_get_child(pn, cindex);
+ n = tnode_get_child_rcu(pn, cindex);
if (n == NULL) {
#ifdef CONFIG_IP_FIB_TRIE_STATS
@@ -1570,7 +1600,7 @@ backtrace:
if (chopped_off <= pn->bits) {
cindex &= ~(1 << (chopped_off-1));
} else {
- struct tnode *parent = node_parent((struct node *) pn);
+ struct tnode *parent = node_parent_rcu((struct node *) pn);
if (!parent)
goto failed;
@@ -1783,7 +1813,7 @@ static struct leaf *trie_firstleaf(struct trie *t)
static struct leaf *trie_nextleaf(struct leaf *l)
{
struct node *c = (struct node *) l;
- struct tnode *p = node_parent(c);
+ struct tnode *p = node_parent_rcu(c);
if (!p)
return NULL; /* trie with just one leaf */
@@ -2391,7 +2421,7 @@ static inline const char *rtn_scope(char *buf, size_t len, enum rt_scope_t s)
}
}
-static const char *rtn_type_names[__RTN_MAX] = {
+static const char *const rtn_type_names[__RTN_MAX] = {
[RTN_UNSPEC] = "UNSPEC",
[RTN_UNICAST] = "UNICAST",
[RTN_LOCAL] = "LOCAL",
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index cb4a0f4bd5e..b902ef55be7 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -821,7 +821,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
stats->tx_dropped++;
dev_kfree_skb(skb);
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
}
if (skb->sk)
skb_set_owner_w(new_skb, skb->sk);
@@ -889,7 +889,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
IPTUNNEL_XMIT();
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
tx_error_icmp:
dst_link_failure(skb);
@@ -898,7 +898,7 @@ tx_error:
stats->tx_errors++;
dev_kfree_skb(skb);
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
}
static int ipgre_tunnel_bind_dev(struct net_device *dev)
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 93e2b787da2..98075b6d619 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -486,7 +486,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
stats->tx_dropped++;
dev_kfree_skb(skb);
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
}
if (skb->sk)
skb_set_owner_w(new_skb, skb->sk);
@@ -524,7 +524,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
IPTUNNEL_XMIT();
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
tx_error_icmp:
dst_link_failure(skb);
@@ -532,7 +532,7 @@ tx_error:
stats->tx_errors++;
dev_kfree_skb(skb);
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
}
static void ipip_tunnel_bind_dev(struct net_device *dev)
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 9a8da5ed92b..06c33fb6b32 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -212,7 +212,7 @@ static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
IGMPMSG_WHOLEPKT);
read_unlock(&mrt_lock);
kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static const struct net_device_ops reg_vif_netdev_ops = {
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 278f46f5011..fafbe163e2b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -3442,7 +3442,7 @@ int __init ip_rt_init(void)
printk(KERN_ERR "Unable to create route proc files\n");
#ifdef CONFIG_XFRM
xfrm_init();
- xfrm4_init();
+ xfrm4_init(ip_rt_max_size);
#endif
rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index bd62712848f..4e004424d40 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -59,6 +59,7 @@ int sysctl_tcp_base_mss __read_mostly = 512;
/* By default, RFC2861 behavior. */
int sysctl_tcp_slow_start_after_idle __read_mostly = 1;
+/* Account for new data that has been sent to the network. */
static void tcp_event_new_data_sent(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -142,6 +143,7 @@ static void tcp_cwnd_restart(struct sock *sk, struct dst_entry *dst)
tp->snd_cwnd_used = 0;
}
+/* Congestion state accounting after a packet has been sent. */
static void tcp_event_data_sent(struct tcp_sock *tp,
struct sk_buff *skb, struct sock *sk)
{
@@ -161,6 +163,7 @@ static void tcp_event_data_sent(struct tcp_sock *tp,
icsk->icsk_ack.pingpong = 1;
}
+/* Account for an ACK we sent. */
static inline void tcp_event_ack_sent(struct sock *sk, unsigned int pkts)
{
tcp_dec_quickack_mode(sk, pkts);
@@ -276,6 +279,7 @@ static u16 tcp_select_window(struct sock *sk)
return new_win;
}
+/* Packet ECN state for a SYN-ACK */
static inline void TCP_ECN_send_synack(struct tcp_sock *tp, struct sk_buff *skb)
{
TCP_SKB_CB(skb)->flags &= ~TCPCB_FLAG_CWR;
@@ -283,6 +287,7 @@ static inline void TCP_ECN_send_synack(struct tcp_sock *tp, struct sk_buff *skb)
TCP_SKB_CB(skb)->flags &= ~TCPCB_FLAG_ECE;
}
+/* Packet ECN state for a SYN. */
static inline void TCP_ECN_send_syn(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -301,6 +306,9 @@ TCP_ECN_make_synack(struct request_sock *req, struct tcphdr *th)
th->ece = 1;
}
+/* Set up ECN state for a packet on a ESTABLISHED socket that is about to
+ * be sent.
+ */
static inline void TCP_ECN_send(struct sock *sk, struct sk_buff *skb,
int tcp_header_len)
{
@@ -362,7 +370,9 @@ struct tcp_out_options {
__u32 tsval, tsecr; /* need to include OPTION_TS */
};
-/* Beware: Something in the Internet is very sensitive to the ordering of
+/* Write previously computed TCP options to the packet.
+ *
+ * Beware: Something in the Internet is very sensitive to the ordering of
* TCP options, we learned this through the hard way, so be careful here.
* Luckily we can at least blame others for their non-compliance but from
* inter-operatibility perspective it seems that we're somewhat stuck with
@@ -445,6 +455,9 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
}
}
+/* Compute TCP options for SYN packets. This is not the final
+ * network wire format yet.
+ */
static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
struct tcp_out_options *opts,
struct tcp_md5sig_key **md5) {
@@ -493,6 +506,7 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
return size;
}
+/* Set up TCP options for SYN-ACKs. */
static unsigned tcp_synack_options(struct sock *sk,
struct request_sock *req,
unsigned mss, struct sk_buff *skb,
@@ -541,6 +555,9 @@ static unsigned tcp_synack_options(struct sock *sk,
return size;
}
+/* Compute TCP options for ESTABLISHED sockets. This is not the
+ * final wire format yet.
+ */
static unsigned tcp_established_options(struct sock *sk, struct sk_buff *skb,
struct tcp_out_options *opts,
struct tcp_md5sig_key **md5) {
@@ -705,7 +722,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
return net_xmit_eval(err);
}
-/* This routine just queue's the buffer
+/* This routine just queues the buffer for sending.
*
* NOTE: probe0 timer is not checked, do not forget tcp_push_pending_frames,
* otherwise socket can stall.
@@ -722,6 +739,7 @@ static void tcp_queue_skb(struct sock *sk, struct sk_buff *skb)
sk_mem_charge(sk, skb->truesize);
}
+/* Initialize TSO segments for a packet. */
static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb,
unsigned int mss_now)
{
@@ -909,6 +927,7 @@ static void __pskb_trim_head(struct sk_buff *skb, int len)
skb->len = skb->data_len;
}
+/* Remove acked data from a packet in the transmit queue. */
int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
{
if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
@@ -937,7 +956,7 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
return 0;
}
-/* Not accounting for SACKs here. */
+/* Calculate MSS. Not accounting for SACKs here. */
int tcp_mtu_to_mss(struct sock *sk, int pmtu)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -981,6 +1000,7 @@ int tcp_mss_to_mtu(struct sock *sk, int mss)
return mtu;
}
+/* MTU probing init per socket */
void tcp_mtup_init(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -1143,7 +1163,8 @@ static inline unsigned int tcp_cwnd_test(struct tcp_sock *tp,
return 0;
}
-/* This must be invoked the first time we consider transmitting
+/* Intialize TSO state of a skb.
+ * This must be invoked the first time we consider transmitting
* SKB onto the wire.
*/
static int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb,
@@ -1158,6 +1179,7 @@ static int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb,
return tso_segs;
}
+/* Minshall's variant of the Nagle send check. */
static inline int tcp_minshall_check(const struct tcp_sock *tp)
{
return after(tp->snd_sml, tp->snd_una) &&
@@ -1242,6 +1264,7 @@ static unsigned int tcp_snd_test(struct sock *sk, struct sk_buff *skb,
return cwnd_quota;
}
+/* Test if sending is allowed right now. */
int tcp_may_send_now(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -1378,6 +1401,10 @@ send_now:
}
/* Create a new MTU probe if we are ready.
+ * MTU probe is regularly attempting to increase the path MTU by
+ * deliberately sending larger packets. This discovers routing
+ * changes resulting in larger path MTUs.
+ *
* Returns 0 if we should wait to probe (no cwnd available),
* 1 if a probe was sent,
* -1 otherwise
@@ -1790,6 +1817,7 @@ static void tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb)
sk_wmem_free_skb(sk, next_skb);
}
+/* Check if coalescing SKBs is legal. */
static int tcp_can_collapse(struct sock *sk, struct sk_buff *skb)
{
if (tcp_skb_pcount(skb) > 1)
@@ -1808,6 +1836,9 @@ static int tcp_can_collapse(struct sock *sk, struct sk_buff *skb)
return 1;
}
+/* Collapse packets in the retransmit queue to make to create
+ * less packets on the wire. This is only done on retransmission.
+ */
static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *to,
int space)
{
@@ -1957,6 +1988,9 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
return err;
}
+/* Check if we forward retransmits are possible in the current
+ * window/congestion state.
+ */
static int tcp_can_forward_retransmit(struct sock *sk)
{
const struct inet_connection_sock *icsk = inet_csk(sk);
@@ -2145,7 +2179,8 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority)
TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS);
}
-/* WARNING: This routine must only be called when we have already sent
+/* Send a crossed SYN-ACK during socket establishment.
+ * WARNING: This routine must only be called when we have already sent
* a SYN packet that crossed the incoming SYN that caused this routine
* to get called. If this assumption fails then the initial rcv_wnd
* and rcv_wscale values will not be correct.
@@ -2180,9 +2215,7 @@ int tcp_send_synack(struct sock *sk)
return tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC);
}
-/*
- * Prepare a SYN-ACK.
- */
+/* Prepare a SYN-ACK. */
struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
struct request_sock *req)
{
@@ -2269,9 +2302,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
return skb;
}
-/*
- * Do all connect socket setups that can be done AF independent.
- */
+/* Do all connect socket setups that can be done AF independent. */
static void tcp_connect_init(struct sock *sk)
{
struct dst_entry *dst = __sk_dst_get(sk);
@@ -2330,9 +2361,7 @@ static void tcp_connect_init(struct sock *sk)
tcp_clear_retrans(tp);
}
-/*
- * Build a SYN and send it off.
- */
+/* Build a SYN and send it off. */
int tcp_connect(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -2493,6 +2522,7 @@ static int tcp_xmit_probe_skb(struct sock *sk, int urgent)
return tcp_transmit_skb(sk, skb, 0, GFP_ATOMIC);
}
+/* Initiate keepalive or window probe from timer. */
int tcp_write_wakeup(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 80e3812837a..29ebb0d27a1 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -110,11 +110,12 @@ struct udp_table udp_table;
EXPORT_SYMBOL(udp_table);
int sysctl_udp_mem[3] __read_mostly;
-int sysctl_udp_rmem_min __read_mostly;
-int sysctl_udp_wmem_min __read_mostly;
-
EXPORT_SYMBOL(sysctl_udp_mem);
+
+int sysctl_udp_rmem_min __read_mostly;
EXPORT_SYMBOL(sysctl_udp_rmem_min);
+
+int sysctl_udp_wmem_min __read_mostly;
EXPORT_SYMBOL(sysctl_udp_wmem_min);
atomic_t udp_memory_allocated;
@@ -158,7 +159,7 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
*/
int udp_lib_get_port(struct sock *sk, unsigned short snum,
int (*saddr_comp)(const struct sock *sk1,
- const struct sock *sk2 ) )
+ const struct sock *sk2))
{
struct udp_hslot *hslot;
struct udp_table *udptable = sk->sk_prot->h.udp_table;
@@ -221,14 +222,15 @@ fail_unlock:
fail:
return error;
}
+EXPORT_SYMBOL(udp_lib_get_port);
static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
{
struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
- return ( !ipv6_only_sock(sk2) &&
- (!inet1->rcv_saddr || !inet2->rcv_saddr ||
- inet1->rcv_saddr == inet2->rcv_saddr ));
+ return (!ipv6_only_sock(sk2) &&
+ (!inet1->rcv_saddr || !inet2->rcv_saddr ||
+ inet1->rcv_saddr == inet2->rcv_saddr));
}
int udp_v4_get_port(struct sock *sk, unsigned short snum)
@@ -383,8 +385,8 @@ found:
void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
{
struct inet_sock *inet;
- struct iphdr *iph = (struct iphdr*)skb->data;
- struct udphdr *uh = (struct udphdr*)(skb->data+(iph->ihl<<2));
+ struct iphdr *iph = (struct iphdr *)skb->data;
+ struct udphdr *uh = (struct udphdr *)(skb->data+(iph->ihl<<2));
const int type = icmp_hdr(skb)->type;
const int code = icmp_hdr(skb)->code;
struct sock *sk;
@@ -439,7 +441,7 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
if (!harderr || sk->sk_state != TCP_ESTABLISHED)
goto out;
} else {
- ip_icmp_error(sk, skb, err, uh->dest, info, (u8*)(uh+1));
+ ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1));
}
sk->sk_err = err;
sk->sk_error_report(sk);
@@ -474,7 +476,7 @@ EXPORT_SYMBOL(udp_flush_pending_frames);
* (checksum field must be zeroed out)
*/
static void udp4_hwcsum_outgoing(struct sock *sk, struct sk_buff *skb,
- __be32 src, __be32 dst, int len )
+ __be32 src, __be32 dst, int len)
{
unsigned int offset;
struct udphdr *uh = udp_hdr(skb);
@@ -545,7 +547,7 @@ static int udp_push_pending_frames(struct sock *sk)
} else if (skb->ip_summed == CHECKSUM_PARTIAL) { /* UDP hardware csum */
- udp4_hwcsum_outgoing(sk, skb, fl->fl4_src,fl->fl4_dst, up->len);
+ udp4_hwcsum_outgoing(sk, skb, fl->fl4_src, fl->fl4_dst, up->len);
goto send;
} else /* `normal' UDP */
@@ -553,7 +555,7 @@ static int udp_push_pending_frames(struct sock *sk)
/* add protocol-dependent pseudo-header */
uh->check = csum_tcpudp_magic(fl->fl4_src, fl->fl4_dst, up->len,
- sk->sk_protocol, csum );
+ sk->sk_protocol, csum);
if (uh->check == 0)
uh->check = CSUM_MANGLED_0;
@@ -592,7 +594,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
* Check the flags.
*/
- if (msg->msg_flags&MSG_OOB) /* Mirror BSD error message compatibility */
+ if (msg->msg_flags & MSG_OOB) /* Mirror BSD error message compatibility */
return -EOPNOTSUPP;
ipc.opt = NULL;
@@ -619,7 +621,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
* Get and verify the address.
*/
if (msg->msg_name) {
- struct sockaddr_in * usin = (struct sockaddr_in*)msg->msg_name;
+ struct sockaddr_in * usin = (struct sockaddr_in *)msg->msg_name;
if (msg->msg_namelen < sizeof(*usin))
return -EINVAL;
if (usin->sin_family != AF_INET) {
@@ -684,7 +686,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
}
if (connected)
- rt = (struct rtable*)sk_dst_check(sk, 0);
+ rt = (struct rtable *)sk_dst_check(sk, 0);
if (rt == NULL) {
struct flowi fl = { .oif = ipc.oif,
@@ -782,6 +784,7 @@ do_confirm:
err = 0;
goto out;
}
+EXPORT_SYMBOL(udp_sendmsg);
int udp_sendpage(struct sock *sk, struct page *page, int offset,
size_t size, int flags)
@@ -871,6 +874,7 @@ int udp_ioctl(struct sock *sk, int cmd, unsigned long arg)
return 0;
}
+EXPORT_SYMBOL(udp_ioctl);
/*
* This should be easy, if there is something there we
@@ -892,7 +896,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
* Check any passed addresses
*/
if (addr_len)
- *addr_len=sizeof(*sin);
+ *addr_len = sizeof(*sin);
if (flags & MSG_ERRQUEUE)
return ip_recv_error(sk, msg, len);
@@ -923,9 +927,11 @@ try_again:
if (skb_csum_unnecessary(skb))
err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr),
- msg->msg_iov, copied );
+ msg->msg_iov, copied);
else {
- err = skb_copy_and_csum_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov);
+ err = skb_copy_and_csum_datagram_iovec(skb,
+ sizeof(struct udphdr),
+ msg->msg_iov);
if (err == -EINVAL)
goto csum_copy_err;
@@ -941,8 +947,7 @@ try_again:
sock_recv_timestamp(msg, sk, skb);
/* Copy the address. */
- if (sin)
- {
+ if (sin) {
sin->sin_family = AF_INET;
sin->sin_port = udp_hdr(skb)->source;
sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
@@ -995,6 +1000,7 @@ int udp_disconnect(struct sock *sk, int flags)
sk_dst_reset(sk);
return 0;
}
+EXPORT_SYMBOL(udp_disconnect);
void udp_lib_unhash(struct sock *sk)
{
@@ -1044,7 +1050,7 @@ drop:
* Note that in the success and error cases, the skb is assumed to
* have either been requeued or freed.
*/
-int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
+int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
struct udp_sock *up = udp_sk(sk);
int rc;
@@ -1214,7 +1220,7 @@ static inline int udp4_csum_init(struct sk_buff *skb, struct udphdr *uh,
if (uh->check == 0) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
} else if (skb->ip_summed == CHECKSUM_COMPLETE) {
- if (!csum_tcpudp_magic(iph->saddr, iph->daddr, skb->len,
+ if (!csum_tcpudp_magic(iph->saddr, iph->daddr, skb->len,
proto, skb->csum))
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
@@ -1355,7 +1361,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
int err = 0;
int is_udplite = IS_UDPLITE(sk);
- if (optlen<sizeof(int))
+ if (optlen < sizeof(int))
return -EINVAL;
if (get_user(val, (int __user *)optval))
@@ -1426,6 +1432,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
return err;
}
+EXPORT_SYMBOL(udp_lib_setsockopt);
int udp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
@@ -1453,7 +1460,7 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,
struct udp_sock *up = udp_sk(sk);
int val, len;
- if (get_user(len,optlen))
+ if (get_user(len, optlen))
return -EFAULT;
len = min_t(unsigned int, len, sizeof(int));
@@ -1486,10 +1493,11 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,
if (put_user(len, optlen))
return -EFAULT;
- if (copy_to_user(optval, &val,len))
+ if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
+EXPORT_SYMBOL(udp_lib_getsockopt);
int udp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
@@ -1528,9 +1536,9 @@ unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait)
int is_lite = IS_UDPLITE(sk);
/* Check for false positives due to checksum errors */
- if ( (mask & POLLRDNORM) &&
- !(file->f_flags & O_NONBLOCK) &&
- !(sk->sk_shutdown & RCV_SHUTDOWN)){
+ if ((mask & POLLRDNORM) &&
+ !(file->f_flags & O_NONBLOCK) &&
+ !(sk->sk_shutdown & RCV_SHUTDOWN)) {
struct sk_buff_head *rcvq = &sk->sk_receive_queue;
struct sk_buff *skb;
@@ -1552,6 +1560,7 @@ unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait)
return mask;
}
+EXPORT_SYMBOL(udp_poll);
struct proto udp_prot = {
.name = "UDP",
@@ -1582,6 +1591,7 @@ struct proto udp_prot = {
.compat_getsockopt = compat_udp_getsockopt,
#endif
};
+EXPORT_SYMBOL(udp_prot);
/* ------------------------------------------------------------------------ */
#ifdef CONFIG_PROC_FS
@@ -1703,11 +1713,13 @@ int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
rc = -ENOMEM;
return rc;
}
+EXPORT_SYMBOL(udp_proc_register);
void udp_proc_unregister(struct net *net, struct udp_seq_afinfo *afinfo)
{
proc_net_remove(net, afinfo->name);
}
+EXPORT_SYMBOL(udp_proc_unregister);
/* ------------------------------------------------------------------------ */
static void udp4_format_sock(struct sock *sp, struct seq_file *f,
@@ -1741,7 +1753,7 @@ int udp4_seq_show(struct seq_file *seq, void *v)
int len;
udp4_format_sock(v, seq, state->bucket, &len);
- seq_printf(seq, "%*s\n", 127 - len ,"");
+ seq_printf(seq, "%*s\n", 127 - len, "");
}
return 0;
}
@@ -1816,16 +1828,64 @@ void __init udp_init(void)
sysctl_udp_wmem_min = SK_MEM_QUANTUM;
}
-EXPORT_SYMBOL(udp_disconnect);
-EXPORT_SYMBOL(udp_ioctl);
-EXPORT_SYMBOL(udp_prot);
-EXPORT_SYMBOL(udp_sendmsg);
-EXPORT_SYMBOL(udp_lib_getsockopt);
-EXPORT_SYMBOL(udp_lib_setsockopt);
-EXPORT_SYMBOL(udp_poll);
-EXPORT_SYMBOL(udp_lib_get_port);
+int udp4_ufo_send_check(struct sk_buff *skb)
+{
+ const struct iphdr *iph;
+ struct udphdr *uh;
+
+ if (!pskb_may_pull(skb, sizeof(*uh)))
+ return -EINVAL;
+
+ iph = ip_hdr(skb);
+ uh = udp_hdr(skb);
+
+ uh->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, skb->len,
+ IPPROTO_UDP, 0);
+ skb->csum_start = skb_transport_header(skb) - skb->head;
+ skb->csum_offset = offsetof(struct udphdr, check);
+ skb->ip_summed = CHECKSUM_PARTIAL;
+ return 0;
+}
+
+struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, int features)
+{
+ struct sk_buff *segs = ERR_PTR(-EINVAL);
+ unsigned int mss;
+ int offset;
+ __wsum csum;
+
+ mss = skb_shinfo(skb)->gso_size;
+ if (unlikely(skb->len <= mss))
+ goto out;
+
+ if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) {
+ /* Packet is from an untrusted source, reset gso_segs. */
+ int type = skb_shinfo(skb)->gso_type;
+
+ if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY) ||
+ !(type & (SKB_GSO_UDP))))
+ goto out;
+
+ skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(skb->len, mss);
+
+ segs = NULL;
+ goto out;
+ }
+
+ /* Do software UFO. Complete and fill in the UDP checksum as HW cannot
+ * do checksum of UDP packets sent as multiple IP fragments.
+ */
+ offset = skb->csum_start - skb_headroom(skb);
+ csum = skb_checksum(skb, offset, skb->len - offset, 0);
+ offset += skb->csum_offset;
+ *(__sum16 *)(skb->data + offset) = csum_fold(csum);
+ skb->ip_summed = CHECKSUM_NONE;
+
+ /* Fragment the skb. IP headers of the fragments are updated in
+ * inet_gso_segment()
+ */
+ segs = skb_segment(skb, features);
+out:
+ return segs;
+}
-#ifdef CONFIG_PROC_FS
-EXPORT_SYMBOL(udp_proc_register);
-EXPORT_SYMBOL(udp_proc_unregister);
-#endif
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 0071ee6f441..74fb2eb833e 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -264,6 +264,22 @@ static struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
.fill_dst = xfrm4_fill_dst,
};
+#ifdef CONFIG_SYSCTL
+static struct ctl_table xfrm4_policy_table[] = {
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "xfrm4_gc_thresh",
+ .data = &xfrm4_dst_ops.gc_thresh,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ { }
+};
+
+static struct ctl_table_header *sysctl_hdr;
+#endif
+
static void __init xfrm4_policy_init(void)
{
xfrm_policy_register_afinfo(&xfrm4_policy_afinfo);
@@ -271,12 +287,31 @@ static void __init xfrm4_policy_init(void)
static void __exit xfrm4_policy_fini(void)
{
+#ifdef CONFIG_SYSCTL
+ if (sysctl_hdr)
+ unregister_net_sysctl_table(sysctl_hdr);
+#endif
xfrm_policy_unregister_afinfo(&xfrm4_policy_afinfo);
}
-void __init xfrm4_init(void)
+void __init xfrm4_init(int rt_max_size)
{
xfrm4_state_init();
xfrm4_policy_init();
+ /*
+ * Select a default value for the gc_thresh based on the main route
+ * table hash size. It seems to me the worst case scenario is when
+ * we have ipsec operating in transport mode, in which we create a
+ * dst_entry per socket. The xfrm gc algorithm starts trying to remove
+ * entries at gc_thresh, and prevents new allocations as 2*gc_thresh
+ * so lets set an initial xfrm gc_thresh value at the rt_max_size/2.
+ * That will let us store an ipsec connection per route table entry,
+ * and start cleaning when were 1/2 full
+ */
+ xfrm4_dst_ops.gc_thresh = rt_max_size/2;
+#ifdef CONFIG_SYSCTL
+ sysctl_hdr = register_net_sysctl_table(&init_net, net_ipv4_ctl_path,
+ xfrm4_policy_table);
+#endif
}
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index caa0278d30a..bf85d5f9703 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -772,6 +772,11 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features)
struct sk_buff *segs = ERR_PTR(-EINVAL);
struct ipv6hdr *ipv6h;
struct inet6_protocol *ops;
+ int proto;
+ struct frag_hdr *fptr;
+ unsigned int unfrag_ip6hlen;
+ u8 *prevhdr;
+ int offset = 0;
if (!(features & NETIF_F_V6_CSUM))
features &= ~NETIF_F_SG;
@@ -791,10 +796,9 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features)
__skb_pull(skb, sizeof(*ipv6h));
segs = ERR_PTR(-EPROTONOSUPPORT);
+ proto = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr);
rcu_read_lock();
- ops = rcu_dereference(inet6_protos[
- ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr)]);
-
+ ops = rcu_dereference(inet6_protos[proto]);
if (likely(ops && ops->gso_segment)) {
skb_reset_transport_header(skb);
segs = ops->gso_segment(skb, features);
@@ -808,6 +812,16 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features)
ipv6h = ipv6_hdr(skb);
ipv6h->payload_len = htons(skb->len - skb->mac_len -
sizeof(*ipv6h));
+ if (proto == IPPROTO_UDP) {
+ unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr);
+ fptr = (struct frag_hdr *)(skb_network_header(skb) +
+ unfrag_ip6hlen);
+ fptr->frag_off = htons(offset);
+ if (skb->next != NULL)
+ fptr->frag_off |= htons(IP6_MF);
+ offset += (ntohs(ipv6h->payload_len) -
+ sizeof(struct frag_hdr));
+ }
}
out:
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 52ee1dced2f..0e93ca56eb6 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -164,12 +164,6 @@ static __inline__ void rt6_release(struct rt6_info *rt)
dst_free(&rt->u.dst);
}
-#ifdef CONFIG_IPV6_MULTIPLE_TABLES
-#define FIB_TABLE_HASHSZ 256
-#else
-#define FIB_TABLE_HASHSZ 1
-#endif
-
static void fib6_link_table(struct net *net, struct fib6_table *tb)
{
unsigned int h;
@@ -180,7 +174,7 @@ static void fib6_link_table(struct net *net, struct fib6_table *tb)
*/
rwlock_init(&tb->tb6_lock);
- h = tb->tb6_id & (FIB_TABLE_HASHSZ - 1);
+ h = tb->tb6_id & (FIB6_TABLE_HASHSZ - 1);
/*
* No protection necessary, this is the only list mutatation
@@ -231,7 +225,7 @@ struct fib6_table *fib6_get_table(struct net *net, u32 id)
if (id == 0)
id = RT6_TABLE_MAIN;
- h = id & (FIB_TABLE_HASHSZ - 1);
+ h = id & (FIB6_TABLE_HASHSZ - 1);
rcu_read_lock();
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(tb, node, head, tb6_hlist) {
@@ -382,7 +376,7 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
arg.net = net;
w->args = &arg;
- for (h = s_h; h < FIB_TABLE_HASHSZ; h++, s_e = 0) {
+ for (h = s_h; h < FIB6_TABLE_HASHSZ; h++, s_e = 0) {
e = 0;
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry(tb, node, head, tb6_hlist) {
@@ -1368,7 +1362,7 @@ void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
unsigned int h;
rcu_read_lock();
- for (h = 0; h < FIB_TABLE_HASHSZ; h++) {
+ for (h = 0; h < FIB6_TABLE_HASHSZ; h++) {
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(table, node, head, tb6_hlist) {
write_lock_bh(&table->tb6_lock);
@@ -1483,7 +1477,7 @@ static int fib6_net_init(struct net *net)
if (!net->ipv6.rt6_stats)
goto out_timer;
- net->ipv6.fib_table_hash = kcalloc(FIB_TABLE_HASHSZ,
+ net->ipv6.fib_table_hash = kcalloc(FIB6_TABLE_HASHSZ,
sizeof(*net->ipv6.fib_table_hash),
GFP_KERNEL);
if (!net->ipv6.fib_table_hash)
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 6d6a4277c67..2d9cbaa67ed 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -63,7 +63,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
if (skb->pkt_type == PACKET_OTHERHOST) {
kfree_skb(skb);
- return 0;
+ return NET_RX_DROP;
}
rcu_read_lock();
@@ -133,7 +133,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
if (ipv6_parse_hopopts(skb) < 0) {
IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INHDRERRORS);
rcu_read_unlock();
- return 0;
+ return NET_RX_DROP;
}
}
@@ -149,7 +149,7 @@ err:
drop:
rcu_read_unlock();
kfree_skb(skb);
- return 0;
+ return NET_RX_DROP;
}
/*
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 87f8419a68f..93beee94465 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -57,18 +57,6 @@
static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
-static __inline__ void ipv6_select_ident(struct sk_buff *skb, struct frag_hdr *fhdr)
-{
- static u32 ipv6_fragmentation_id = 1;
- static DEFINE_SPINLOCK(ip6_id_lock);
-
- spin_lock_bh(&ip6_id_lock);
- fhdr->identification = htonl(ipv6_fragmentation_id);
- if (++ipv6_fragmentation_id == 0)
- ipv6_fragmentation_id = 1;
- spin_unlock_bh(&ip6_id_lock);
-}
-
int __ip6_local_out(struct sk_buff *skb)
{
int len;
@@ -706,7 +694,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
skb_reset_network_header(skb);
memcpy(skb_network_header(skb), tmp_hdr, hlen);
- ipv6_select_ident(skb, fh);
+ ipv6_select_ident(fh);
fh->nexthdr = nexthdr;
fh->reserved = 0;
fh->frag_off = htons(IP6_MF);
@@ -844,7 +832,7 @@ slow_path:
fh->nexthdr = nexthdr;
fh->reserved = 0;
if (!frag_id) {
- ipv6_select_ident(skb, fh);
+ ipv6_select_ident(fh);
frag_id = fh->identification;
} else
fh->identification = frag_id;
@@ -1087,11 +1075,13 @@ static inline int ip6_ufo_append_data(struct sock *sk,
if (!err) {
struct frag_hdr fhdr;
- /* specify the length of each IP datagram fragment*/
- skb_shinfo(skb)->gso_size = mtu - fragheaderlen -
- sizeof(struct frag_hdr);
+ /* Specify the length of each IPv6 datagram fragment.
+ * It has to be a multiple of 8.
+ */
+ skb_shinfo(skb)->gso_size = (mtu - fragheaderlen -
+ sizeof(struct frag_hdr)) & ~7;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
- ipv6_select_ident(skb, &fhdr);
+ ipv6_select_ident(&fhdr);
skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
__skb_queue_tail(&sk->sk_write_queue, skb);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 51f410e7775..a1d6045c469 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1063,14 +1063,14 @@ ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
goto tx_err;
t->recursion--;
- return 0;
+ return NETDEV_TX_OK;
tx_err:
stats->tx_errors++;
stats->tx_dropped++;
kfree_skb(skb);
t->recursion--;
- return 0;
+ return NETDEV_TX_OK;
}
static void ip6_tnl_set_cap(struct ip6_tnl *t)
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index c769f155c69..07ded5075b3 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -427,7 +427,7 @@ static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
MRT6MSG_WHOLEPKT);
read_unlock(&mrt_lock);
kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static const struct net_device_ops reg_vif_netdev_ops = {
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 4b264ed40a8..71c3dacec1e 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2107,7 +2107,6 @@ static int ip6_mc_add_src(struct inet6_dev *idev, struct in6_addr *pmca,
for (j=0; j<i; j++)
(void) ip6_mc_del1_src(pmc, sfmode, &psfsrc[i]);
} else if (isexclude != (pmc->mca_sfcount[MCAST_EXCLUDE] != 0)) {
- struct inet6_dev *idev = pmc->idev;
struct ip6_sf_list *psf;
/* filter mode change */
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 590ddefb7ff..c9605c3ad91 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -101,7 +101,7 @@ static struct snmp_mib snmp6_icmp6_list[] = {
};
/* RFC 4293 v6 ICMPMsgStatsTable; named items for RFC 2466 compatibility */
-static char *icmp6type2name[256] = {
+static const char *const icmp6type2name[256] = {
[ICMPV6_DEST_UNREACH] = "DestUnreachs",
[ICMPV6_PKT_TOOBIG] = "PktTooBigs",
[ICMPV6_TIME_EXCEED] = "TimeExcds",
@@ -144,7 +144,7 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
/* print by name -- deprecated items */
for (i = 0; i < ICMP6MSG_MIB_MAX; i++) {
int icmptype;
- char *p;
+ const char *p;
icmptype = i & 0xff;
p = icmp6type2name[icmptype];
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 98b7327d094..d335a306a4d 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -753,7 +753,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
stats->tx_dropped++;
dev_kfree_skb(skb);
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
}
if (skb->sk)
skb_set_owner_w(new_skb, skb->sk);
@@ -794,7 +794,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
IPTUNNEL_XMIT();
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
tx_error_icmp:
dst_link_failure(skb);
@@ -802,7 +802,7 @@ tx_error:
stats->tx_errors++;
dev_kfree_skb(skb);
tunnel->recursion--;
- return 0;
+ return NETDEV_TX_OK;
}
static void ipip6_tunnel_bind_dev(struct net_device *dev)
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index a031034720b..0dc6a4e5ed4 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -40,7 +40,7 @@ static ctl_table ipv6_table_template[] = {
{ .ctl_name = 0 }
};
-static ctl_table ipv6_table[] = {
+static ctl_table ipv6_rotable[] = {
{
.ctl_name = NET_IPV6_MLD_MAX_MSF,
.procname = "mld_max_msf",
@@ -130,7 +130,7 @@ int ipv6_sysctl_register(void)
{
int err = -ENOMEM;
- ip6_header = register_net_sysctl_rotable(net_ipv6_ctl_path, ipv6_table);
+ ip6_header = register_net_sysctl_rotable(net_ipv6_ctl_path, ipv6_rotable);
if (ip6_header == NULL)
goto out;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 33b59bd92c4..d79fa672445 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -638,6 +638,47 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
}
}
+/**
+ * udp6_hwcsum_outgoing - handle outgoing HW checksumming
+ * @sk: socket we are sending on
+ * @skb: sk_buff containing the filled-in UDP header
+ * (checksum field must be zeroed out)
+ */
+static void udp6_hwcsum_outgoing(struct sock *sk, struct sk_buff *skb,
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr, int len)
+{
+ unsigned int offset;
+ struct udphdr *uh = udp_hdr(skb);
+ __wsum csum = 0;
+
+ if (skb_queue_len(&sk->sk_write_queue) == 1) {
+ /* Only one fragment on the socket. */
+ skb->csum_start = skb_transport_header(skb) - skb->head;
+ skb->csum_offset = offsetof(struct udphdr, check);
+ uh->check = ~csum_ipv6_magic(saddr, daddr, len, IPPROTO_UDP, 0);
+ } else {
+ /*
+ * HW-checksum won't work as there are two or more
+ * fragments on the socket so that all csums of sk_buffs
+ * should be together
+ */
+ offset = skb_transport_offset(skb);
+ skb->csum = skb_checksum(skb, offset, skb->len - offset, 0);
+
+ skb->ip_summed = CHECKSUM_NONE;
+
+ skb_queue_walk(&sk->sk_write_queue, skb) {
+ csum = csum_add(csum, skb->csum);
+ }
+
+ uh->check = csum_ipv6_magic(saddr, daddr, len, IPPROTO_UDP,
+ csum);
+ if (uh->check == 0)
+ uh->check = CSUM_MANGLED_0;
+ }
+}
+
/*
* Sending
*/
@@ -668,7 +709,11 @@ static int udp_v6_push_pending_frames(struct sock *sk)
if (is_udplite)
csum = udplite_csum_outgoing(sk, skb);
- else
+ else if (skb->ip_summed == CHECKSUM_PARTIAL) { /* UDP hardware csum */
+ udp6_hwcsum_outgoing(sk, skb, &fl->fl6_src, &fl->fl6_dst,
+ up->len);
+ goto send;
+ } else
csum = udp_csum_outgoing(sk, skb);
/* add protocol-dependent pseudo-header */
@@ -677,6 +722,7 @@ static int udp_v6_push_pending_frames(struct sock *sk)
if (uh->check == 0)
uh->check = CSUM_MANGLED_0;
+send:
err = ip6_push_pending_frames(sk);
out:
up->len = 0;
@@ -1032,9 +1078,102 @@ int compat_udpv6_getsockopt(struct sock *sk, int level, int optname,
}
#endif
+static int udp6_ufo_send_check(struct sk_buff *skb)
+{
+ struct ipv6hdr *ipv6h;
+ struct udphdr *uh;
+
+ if (!pskb_may_pull(skb, sizeof(*uh)))
+ return -EINVAL;
+
+ ipv6h = ipv6_hdr(skb);
+ uh = udp_hdr(skb);
+
+ uh->check = ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr, skb->len,
+ IPPROTO_UDP, 0);
+ skb->csum_start = skb_transport_header(skb) - skb->head;
+ skb->csum_offset = offsetof(struct udphdr, check);
+ skb->ip_summed = CHECKSUM_PARTIAL;
+ return 0;
+}
+
+static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, int features)
+{
+ struct sk_buff *segs = ERR_PTR(-EINVAL);
+ unsigned int mss;
+ unsigned int unfrag_ip6hlen, unfrag_len;
+ struct frag_hdr *fptr;
+ u8 *mac_start, *prevhdr;
+ u8 nexthdr;
+ u8 frag_hdr_sz = sizeof(struct frag_hdr);
+ int offset;
+ __wsum csum;
+
+ mss = skb_shinfo(skb)->gso_size;
+ if (unlikely(skb->len <= mss))
+ goto out;
+
+ if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) {
+ /* Packet is from an untrusted source, reset gso_segs. */
+ int type = skb_shinfo(skb)->gso_type;
+
+ if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY) ||
+ !(type & (SKB_GSO_UDP))))
+ goto out;
+
+ skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(skb->len, mss);
+
+ segs = NULL;
+ goto out;
+ }
+
+ /* Do software UFO. Complete and fill in the UDP checksum as HW cannot
+ * do checksum of UDP packets sent as multiple IP fragments.
+ */
+ offset = skb->csum_start - skb_headroom(skb);
+ csum = skb_checksum(skb, offset, skb->len- offset, 0);
+ offset += skb->csum_offset;
+ *(__sum16 *)(skb->data + offset) = csum_fold(csum);
+ skb->ip_summed = CHECKSUM_NONE;
+
+ /* Check if there is enough headroom to insert fragment header. */
+ if ((skb_headroom(skb) < frag_hdr_sz) &&
+ pskb_expand_head(skb, frag_hdr_sz, 0, GFP_ATOMIC))
+ goto out;
+
+ /* Find the unfragmentable header and shift it left by frag_hdr_sz
+ * bytes to insert fragment header.
+ */
+ unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr);
+ nexthdr = *prevhdr;
+ *prevhdr = NEXTHDR_FRAGMENT;
+ unfrag_len = skb_network_header(skb) - skb_mac_header(skb) +
+ unfrag_ip6hlen;
+ mac_start = skb_mac_header(skb);
+ memmove(mac_start-frag_hdr_sz, mac_start, unfrag_len);
+
+ skb->mac_header -= frag_hdr_sz;
+ skb->network_header -= frag_hdr_sz;
+
+ fptr = (struct frag_hdr *)(skb_network_header(skb) + unfrag_ip6hlen);
+ fptr->nexthdr = nexthdr;
+ fptr->reserved = 0;
+ ipv6_select_ident(fptr);
+
+ /* Fragment the skb. ipv6 header and the remaining fields of the
+ * fragment header are updated in ipv6_gso_segment()
+ */
+ segs = skb_segment(skb, features);
+
+out:
+ return segs;
+}
+
static struct inet6_protocol udpv6_protocol = {
.handler = udpv6_rcv,
.err_handler = udpv6_err,
+ .gso_send_check = udp6_ufo_send_check,
+ .gso_segment = udp6_ufo_fragment,
.flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
};
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 3a3c677bc0f..8ec3d45cd1d 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -306,9 +306,26 @@ static void xfrm6_policy_fini(void)
xfrm_policy_unregister_afinfo(&xfrm6_policy_afinfo);
}
+#ifdef CONFIG_SYSCTL
+static struct ctl_table xfrm6_policy_table[] = {
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "xfrm6_gc_thresh",
+ .data = &xfrm6_dst_ops.gc_thresh,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ { }
+};
+
+static struct ctl_table_header *sysctl_hdr;
+#endif
+
int __init xfrm6_init(void)
{
int ret;
+ unsigned int gc_thresh;
ret = xfrm6_policy_init();
if (ret)
@@ -317,6 +334,23 @@ int __init xfrm6_init(void)
ret = xfrm6_state_init();
if (ret)
goto out_policy;
+ /*
+ * We need a good default value for the xfrm6 gc threshold.
+ * In ipv4 we set it to the route hash table size * 8, which
+ * is half the size of the maximaum route cache for ipv4. It
+ * would be good to do the same thing for v6, except the table is
+ * constructed differently here. Here each table for a net namespace
+ * can have FIB_TABLE_HASHSZ entries, so lets go with the same
+ * computation that we used for ipv4 here. Also, lets keep the initial
+ * gc_thresh to a minimum of 1024, since, the ipv6 route cache defaults
+ * to that as a minimum as well
+ */
+ gc_thresh = FIB6_TABLE_HASHSZ * 8;
+ xfrm6_dst_ops.gc_thresh = (gc_thresh < 1024) ? 1024 : gc_thresh;
+#ifdef CONFIG_SYSCTL
+ sysctl_hdr = register_net_sysctl_table(&init_net, net_ipv6_ctl_path,
+ xfrm6_policy_table);
+#endif
out:
return ret;
out_policy:
@@ -326,6 +360,10 @@ out_policy:
void xfrm6_fini(void)
{
+#ifdef CONFIG_SYSCTL
+ if (sysctl_hdr)
+ unregister_net_sysctl_table(sysctl_hdr);
+#endif
//xfrm6_input_fini();
xfrm6_policy_fini();
xfrm6_state_fini();
diff --git a/net/irda/ircomm/ircomm_event.c b/net/irda/ircomm/ircomm_event.c
index c35b3ef5c2f..d78554fedba 100644
--- a/net/irda/ircomm/ircomm_event.c
+++ b/net/irda/ircomm/ircomm_event.c
@@ -49,7 +49,7 @@ static int ircomm_state_waitr(struct ircomm_cb *self, IRCOMM_EVENT event,
static int ircomm_state_conn(struct ircomm_cb *self, IRCOMM_EVENT event,
struct sk_buff *skb, struct ircomm_info *info);
-char *ircomm_state[] = {
+const char *const ircomm_state[] = {
"IRCOMM_IDLE",
"IRCOMM_WAITI",
"IRCOMM_WAITR",
@@ -57,7 +57,7 @@ char *ircomm_state[] = {
};
#ifdef CONFIG_IRDA_DEBUG
-static char *ircomm_event[] = {
+static const char *const ircomm_event[] = {
"IRCOMM_CONNECT_REQUEST",
"IRCOMM_CONNECT_RESPONSE",
"IRCOMM_TTP_CONNECT_INDICATION",
diff --git a/net/irda/ircomm/ircomm_tty_attach.c b/net/irda/ircomm/ircomm_tty_attach.c
index 9032a1d1190..eafc010907c 100644
--- a/net/irda/ircomm/ircomm_tty_attach.c
+++ b/net/irda/ircomm/ircomm_tty_attach.c
@@ -80,7 +80,7 @@ static int ircomm_tty_state_ready(struct ircomm_tty_cb *self,
struct sk_buff *skb,
struct ircomm_tty_info *info);
-char *ircomm_tty_state[] = {
+const char *const ircomm_tty_state[] = {
"IRCOMM_TTY_IDLE",
"IRCOMM_TTY_SEARCH",
"IRCOMM_TTY_QUERY_PARAMETERS",
@@ -91,7 +91,7 @@ char *ircomm_tty_state[] = {
};
#ifdef CONFIG_IRDA_DEBUG
-static char *ircomm_tty_event[] = {
+static const char *const ircomm_tty_event[] = {
"IRCOMM_TTY_ATTACH_CABLE",
"IRCOMM_TTY_DETACH_CABLE",
"IRCOMM_TTY_DATA_REQUEST",
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index 4a105dc32dc..294e34d3517 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -44,7 +44,7 @@
#ifdef CONFIG_IRDA_DEBUG
/* FIXME: This one should go in irlmp.c */
-static const char *ias_charset_types[] = {
+static const char *const ias_charset_types[] = {
"CS_ASCII",
"CS_ISO_8859_1",
"CS_ISO_8859_2",
@@ -966,7 +966,7 @@ static void iriap_watchdog_timer_expired(void *data)
#ifdef CONFIG_PROC_FS
-static const char *ias_value_types[] = {
+static const char *const ias_value_types[] = {
"IAS_MISSING",
"IAS_INTEGER",
"IAS_OCT_SEQ",
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index 774d73a7685..62116829b81 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -69,14 +69,14 @@ static int eth; /* Use "eth" or "irlan" name for devices */
static int access = ACCESS_PEER; /* PEER, DIRECT or HOSTED */
#ifdef CONFIG_PROC_FS
-static const char *irlan_access[] = {
+static const char *const irlan_access[] = {
"UNKNOWN",
"DIRECT",
"PEER",
"HOSTED"
};
-static const char *irlan_media[] = {
+static const char *const irlan_media[] = {
"UNKNOWN",
"802.3",
"802.5"
diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c
index 724bcf951b8..64230cffcfe 100644
--- a/net/irda/irlan/irlan_eth.c
+++ b/net/irda/irlan/irlan_eth.c
@@ -177,7 +177,7 @@ static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
/* Did the realloc succeed? */
if (new_skb == NULL)
- return 0;
+ return NETDEV_TX_OK;
/* Use the new skb instead */
skb = new_skb;
@@ -209,7 +209,7 @@ static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
self->stats.tx_bytes += skb->len;
}
- return 0;
+ return NETDEV_TX_OK;
}
/*
diff --git a/net/irda/irlap.c b/net/irda/irlap.c
index e4965b764b9..356e65b1dc4 100644
--- a/net/irda/irlap.c
+++ b/net/irda/irlap.c
@@ -63,7 +63,7 @@ static void irlap_init_qos_capabilities(struct irlap_cb *self,
struct qos_info *qos_user);
#ifdef CONFIG_IRDA_DEBUG
-static char *lap_reasons[] = {
+static const char *const lap_reasons[] = {
"ERROR, NOT USED",
"LAP_DISC_INDICATION",
"LAP_NO_RESPONSE",
diff --git a/net/irda/irlap_event.c b/net/irda/irlap_event.c
index 16c4ef0f5c1..c5c51959e3c 100644
--- a/net/irda/irlap_event.c
+++ b/net/irda/irlap_event.c
@@ -78,7 +78,7 @@ static int irlap_state_reset_check(struct irlap_cb *, IRLAP_EVENT event,
struct sk_buff *, struct irlap_info *);
#ifdef CONFIG_IRDA_DEBUG
-static const char *irlap_event[] = {
+static const char *const irlap_event[] = {
"DISCOVERY_REQUEST",
"CONNECT_REQUEST",
"CONNECT_RESPONSE",
@@ -120,7 +120,7 @@ static const char *irlap_event[] = {
};
#endif /* CONFIG_IRDA_DEBUG */
-const char *irlap_state[] = {
+const char *const irlap_state[] = {
"LAP_NDM",
"LAP_QUERY",
"LAP_REPLY",
diff --git a/net/irda/irlmp_event.c b/net/irda/irlmp_event.c
index 78cce0cb073..c1fb5db8104 100644
--- a/net/irda/irlmp_event.c
+++ b/net/irda/irlmp_event.c
@@ -33,13 +33,13 @@
#include <net/irda/irlmp_frame.h>
#include <net/irda/irlmp_event.h>
-const char *irlmp_state[] = {
+const char *const irlmp_state[] = {
"LAP_STANDBY",
"LAP_U_CONNECT",
"LAP_ACTIVE",
};
-const char *irlsap_state[] = {
+const char *const irlsap_state[] = {
"LSAP_DISCONNECTED",
"LSAP_CONNECT",
"LSAP_CONNECT_PEND",
@@ -49,7 +49,7 @@ const char *irlsap_state[] = {
};
#ifdef CONFIG_IRDA_DEBUG
-static const char *irlmp_event[] = {
+static const char *const irlmp_event[] = {
"LM_CONNECT_REQUEST",
"LM_CONNECT_CONFIRM",
"LM_CONNECT_RESPONSE",
diff --git a/net/irda/irnetlink.c b/net/irda/irnetlink.c
index 8dd7ed7e7c1..476b307bd80 100644
--- a/net/irda/irnetlink.c
+++ b/net/irda/irnetlink.c
@@ -115,7 +115,7 @@ static int irda_nl_get_mode(struct sk_buff *skb, struct genl_info *info)
genlmsg_end(msg, hdr);
- return genlmsg_unicast(msg, info->snd_pid);
+ return genlmsg_reply(msg, info);
err_out:
nlmsg_free(msg);
diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c
index 2ba1bc4f3c3..bda96d18fd9 100644
--- a/net/lapb/lapb_iface.c
+++ b/net/lapb/lapb_iface.c
@@ -407,7 +407,7 @@ int lapb_data_indication(struct lapb_cb *lapb, struct sk_buff *skb)
return lapb->callbacks.data_indication(lapb->dev, skb);
kfree_skb(skb);
- return NET_RX_CN_HIGH; /* For now; must be != NET_RX_DROP */
+ return NET_RX_SUCCESS; /* For now; must be != NET_RX_DROP */
}
int lapb_data_transmit(struct lapb_cb *lapb, struct sk_buff *skb)
diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c
index f97be471fe2..be47ac427f6 100644
--- a/net/llc/llc_proc.c
+++ b/net/llc/llc_proc.c
@@ -143,7 +143,7 @@ out:
return 0;
}
-static char *llc_conn_state_names[] = {
+static const char *const llc_conn_state_names[] = {
[LLC_CONN_STATE_ADM] = "adm",
[LLC_CONN_STATE_SETUP] = "setup",
[LLC_CONN_STATE_NORMAL] = "normal",
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 7836ee92898..7dd77b6d4c9 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -6,7 +6,6 @@ config MAC80211
select CRYPTO_ARC4
select CRYPTO_AES
select CRC32
- select WIRELESS_EXT
---help---
This option enables the hardware independent IEEE 802.11
networking stack.
@@ -14,22 +13,6 @@ config MAC80211
comment "CFG80211 needs to be enabled for MAC80211"
depends on CFG80211=n
-config MAC80211_DEFAULT_PS
- bool "enable powersave by default"
- depends on MAC80211
- default y
- help
- This option enables powersave mode by default.
-
- If this causes your applications to misbehave you should fix your
- applications instead -- they need to register their network
- latency requirement, see Documentation/power/pm_qos_interface.txt.
-
-config MAC80211_DEFAULT_PS_VALUE
- int
- default 1 if MAC80211_DEFAULT_PS
- default 0
-
menu "Rate control algorithm selection"
depends on MAC80211 != n
@@ -222,3 +205,15 @@ config MAC80211_DEBUG_COUNTERS
and show them in debugfs.
If unsure, say N.
+
+config MAC80211_DRIVER_API_TRACER
+ bool "Driver API tracer"
+ depends on MAC80211_DEBUG_MENU
+ depends on EVENT_TRACING
+ help
+ Say Y here to make mac80211 register with the ftrace
+ framework for the driver API -- you can see which
+ driver methods it is calling then by looking at the
+ trace.
+
+ If unsure, say N.
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 0e3ab88bb70..9f3cf712932 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -3,7 +3,6 @@ obj-$(CONFIG_MAC80211) += mac80211.o
# mac80211 objects
mac80211-y := \
main.o \
- wext.o \
sta_info.o \
wep.o \
wpa.o \
@@ -41,6 +40,9 @@ mac80211-$(CONFIG_MAC80211_MESH) += \
mac80211-$(CONFIG_PM) += pm.o
+mac80211-$(CONFIG_MAC80211_DRIVER_API_TRACER) += driver-trace.o
+CFLAGS_driver-trace.o := -I$(src)
+
# objects for PID algorithm
rc80211_pid-y := rc80211_pid_algo.o
rc80211_pid-$(CONFIG_MAC80211_DEBUGFS) += rc80211_pid_debugfs.o
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 9e5762ad307..1958c7c42cd 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -383,9 +383,6 @@ static void ieee80211_agg_splice_packets(struct ieee80211_local *local,
if (!skb_queue_empty(&sta->ampdu_mlme.tid_tx[tid]->pending)) {
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- /* mark queue as pending, it is stopped already */
- __set_bit(IEEE80211_QUEUE_STOP_REASON_PENDING,
- &local->queue_stop_reasons[queue]);
/* copy over remaining packets */
skb_queue_splice_tail_init(
&sta->ampdu_mlme.tid_tx[tid]->pending,
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 3f47276caeb..4bbf5007799 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -57,36 +57,21 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
return 0;
}
-static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
+static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
{
- struct net_device *dev;
- struct ieee80211_sub_if_data *sdata;
-
- /* we're under RTNL */
- dev = __dev_get_by_index(&init_net, ifindex);
- if (!dev)
- return -ENODEV;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- ieee80211_if_remove(sdata);
+ ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
return 0;
}
-static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
+static int ieee80211_change_iface(struct wiphy *wiphy,
+ struct net_device *dev,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
- struct net_device *dev;
struct ieee80211_sub_if_data *sdata;
int ret;
- /* we're under RTNL */
- dev = __dev_get_by_index(&init_net, ifindex);
- if (!dev)
- return -ENODEV;
-
if (!nl80211_type_check(type))
return -EINVAL;
@@ -1177,123 +1162,29 @@ static int ieee80211_scan(struct wiphy *wiphy,
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_auth_request *req)
{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- switch (req->auth_type) {
- case NL80211_AUTHTYPE_OPEN_SYSTEM:
- sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
- break;
- case NL80211_AUTHTYPE_SHARED_KEY:
- sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
- break;
- case NL80211_AUTHTYPE_FT:
- sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
- break;
- case NL80211_AUTHTYPE_NETWORK_EAP:
- sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
- sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
- sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
-
- /* TODO: req->chan */
- sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
-
- if (req->ssid) {
- sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
- memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
- sdata->u.mgd.ssid_len = req->ssid_len;
- sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
- }
-
- kfree(sdata->u.mgd.sme_auth_ie);
- sdata->u.mgd.sme_auth_ie = NULL;
- sdata->u.mgd.sme_auth_ie_len = 0;
- if (req->ie) {
- sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
- if (sdata->u.mgd.sme_auth_ie == NULL)
- return -ENOMEM;
- memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
- sdata->u.mgd.sme_auth_ie_len = req->ie_len;
- }
-
- sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
- sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
- ieee80211_sta_req_auth(sdata);
- return 0;
+ return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
}
static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_assoc_request *req)
{
- struct ieee80211_sub_if_data *sdata;
- int ret;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
- !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
- return -ENOLINK; /* not authenticated */
-
- sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
- sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
-
- /* TODO: req->chan */
- sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
-
- if (req->ssid) {
- sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
- memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
- sdata->u.mgd.ssid_len = req->ssid_len;
- sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
- } else
- sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
-
- ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
- if (ret && ret != -EALREADY)
- return ret;
-
- if (req->use_mfp) {
- sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
- sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
- } else {
- sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
- sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
- }
-
- if (req->control_port)
- sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
- else
- sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
-
- sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
- sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
- ieee80211_sta_req_auth(sdata);
- return 0;
+ return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
}
static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_deauth_request *req)
+ struct cfg80211_deauth_request *req,
+ void *cookie)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- /* TODO: req->ie, req->peer_addr */
- return ieee80211_sta_deauthenticate(sdata, req->reason_code);
+ return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
+ req, cookie);
}
static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_disassoc_request *req)
+ struct cfg80211_disassoc_request *req,
+ void *cookie)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- /* TODO: req->ie, req->peer_addr */
- return ieee80211_sta_disassociate(sdata, req->reason_code);
+ return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
+ req, cookie);
}
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
@@ -1374,6 +1265,16 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
return 0;
}
+static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
+ u8 *addr)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
+
+ return 0;
+}
+
static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
@@ -1381,6 +1282,85 @@ static void ieee80211_rfkill_poll(struct wiphy *wiphy)
drv_rfkill_poll(local);
}
+#ifdef CONFIG_NL80211_TESTMODE
+static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ if (!local->ops->testmode_cmd)
+ return -EOPNOTSUPP;
+
+ return local->ops->testmode_cmd(&local->hw, data, len);
+}
+#endif
+
+static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
+ bool enabled, int timeout)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
+
+ if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
+ return -EOPNOTSUPP;
+
+ if (enabled == sdata->u.mgd.powersave &&
+ timeout == conf->dynamic_ps_timeout)
+ return 0;
+
+ sdata->u.mgd.powersave = enabled;
+ conf->dynamic_ps_timeout = timeout;
+
+ if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+
+ ieee80211_recalc_ps(local, -1);
+
+ return 0;
+}
+
+static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
+ struct net_device *dev,
+ const u8 *addr,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ int i, err = -EINVAL;
+ u32 target_rate;
+ struct ieee80211_supported_band *sband;
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+ /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
+ * target_rate = X, rate->fixed = 1 means only rate X
+ * target_rate = X, rate->fixed = 0 means all rates <= X */
+ sdata->max_ratectrl_rateidx = -1;
+ sdata->force_unicast_rateidx = -1;
+
+ if (mask->fixed)
+ target_rate = mask->fixed / 100;
+ else if (mask->maxrate)
+ target_rate = mask->maxrate / 100;
+ else
+ return 0;
+
+ for (i=0; i< sband->n_bitrates; i++) {
+ struct ieee80211_rate *brate = &sband->bitrates[i];
+ int this_rate = brate->bitrate;
+
+ if (target_rate == this_rate) {
+ sdata->max_ratectrl_rateidx = i;
+ if (mask->fixed)
+ sdata->force_unicast_rateidx = i;
+ err = 0;
+ break;
+ }
+ }
+
+ return err;
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -1422,5 +1402,9 @@ struct cfg80211_ops mac80211_config_ops = {
.set_wiphy_params = ieee80211_set_wiphy_params,
.set_tx_power = ieee80211_set_tx_power,
.get_tx_power = ieee80211_get_tx_power,
+ .set_wds_peer = ieee80211_set_wds_peer,
.rfkill_poll = ieee80211_rfkill_poll,
+ CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
+ .set_power_mgmt = ieee80211_set_power_mgmt,
+ .set_bitrate_mask = ieee80211_set_bitrate_mask,
};
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 6c439cd5cce..96991b68f04 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -175,7 +175,7 @@ static ssize_t queues_read(struct file *file, char __user *user_buf,
for (q = 0; q < local->hw.queues; q++)
res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
local->queue_stop_reasons[q],
- __netif_subqueue_stopped(local->mdev, q));
+ skb_queue_len(&local->pending[q]));
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
return simple_read_from_buffer(user_buf, count, ppos, buf, res);
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index e3420329f4e..e9ec6cae2d3 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -95,33 +95,9 @@ IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC);
IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, DEC);
/* STA attributes */
-IEEE80211_IF_FILE(state, u.mgd.state, DEC);
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
-IEEE80211_IF_FILE(prev_bssid, u.mgd.prev_bssid, MAC);
-IEEE80211_IF_FILE(ssid_len, u.mgd.ssid_len, SIZE);
IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
-IEEE80211_IF_FILE(ap_capab, u.mgd.ap_capab, HEX);
IEEE80211_IF_FILE(capab, u.mgd.capab, HEX);
-IEEE80211_IF_FILE(extra_ie_len, u.mgd.extra_ie_len, SIZE);
-IEEE80211_IF_FILE(auth_tries, u.mgd.auth_tries, DEC);
-IEEE80211_IF_FILE(assoc_tries, u.mgd.assoc_tries, DEC);
-IEEE80211_IF_FILE(auth_algs, u.mgd.auth_algs, HEX);
-IEEE80211_IF_FILE(auth_alg, u.mgd.auth_alg, DEC);
-IEEE80211_IF_FILE(auth_transaction, u.mgd.auth_transaction, DEC);
-
-static ssize_t ieee80211_if_fmt_flags(
- const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
-{
- return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
- sdata->u.mgd.flags & IEEE80211_STA_SSID_SET ? "SSID\n" : "",
- sdata->u.mgd.flags & IEEE80211_STA_BSSID_SET ? "BSSID\n" : "",
- sdata->u.mgd.flags & IEEE80211_STA_PREV_BSSID_SET ? "prev BSSID\n" : "",
- sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "",
- sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "",
- sdata->u.mgd.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "",
- sdata->vif.bss_conf.use_cts_prot ? "CTS prot\n" : "");
-}
-__IEEE80211_IF_FILE(flags);
/* AP attributes */
IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
@@ -184,20 +160,9 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_ADD(force_unicast_rateidx, sta);
DEBUGFS_ADD(max_ratectrl_rateidx, sta);
- DEBUGFS_ADD(state, sta);
DEBUGFS_ADD(bssid, sta);
- DEBUGFS_ADD(prev_bssid, sta);
- DEBUGFS_ADD(ssid_len, sta);
DEBUGFS_ADD(aid, sta);
- DEBUGFS_ADD(ap_capab, sta);
DEBUGFS_ADD(capab, sta);
- DEBUGFS_ADD(extra_ie_len, sta);
- DEBUGFS_ADD(auth_tries, sta);
- DEBUGFS_ADD(assoc_tries, sta);
- DEBUGFS_ADD(auth_algs, sta);
- DEBUGFS_ADD(auth_alg, sta);
- DEBUGFS_ADD(auth_transaction, sta);
- DEBUGFS_ADD(flags, sta);
}
static void add_ap_files(struct ieee80211_sub_if_data *sdata)
@@ -317,20 +282,9 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_DEL(force_unicast_rateidx, sta);
DEBUGFS_DEL(max_ratectrl_rateidx, sta);
- DEBUGFS_DEL(state, sta);
DEBUGFS_DEL(bssid, sta);
- DEBUGFS_DEL(prev_bssid, sta);
- DEBUGFS_DEL(ssid_len, sta);
DEBUGFS_DEL(aid, sta);
- DEBUGFS_DEL(ap_capab, sta);
DEBUGFS_DEL(capab, sta);
- DEBUGFS_DEL(extra_ie_len, sta);
- DEBUGFS_DEL(auth_tries, sta);
- DEBUGFS_DEL(assoc_tries, sta);
- DEBUGFS_DEL(auth_algs, sta);
- DEBUGFS_DEL(auth_alg, sta);
- DEBUGFS_DEL(auth_transaction, sta);
- DEBUGFS_DEL(flags, sta);
}
static void del_ap_files(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 90230c718b5..33a2e892115 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -120,45 +120,38 @@ STA_OPS(last_seq_ctrl);
static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
- char buf[768], *p = buf;
+ char buf[30 + STA_TID_NUM * 70], *p = buf;
int i;
struct sta_info *sta = file->private_data;
- p += scnprintf(p, sizeof(buf)+buf-p, "Agg state for STA is:\n");
- p += scnprintf(p, sizeof(buf)+buf-p, " STA next dialog_token is %d \n "
- "TIDs info is: \n TID :",
- (sta->ampdu_mlme.dialog_token_allocator + 1));
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d", i);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n RX :");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_rx[i]);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_rx[i] ?
- sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n TX :");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_tx[i]);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_tx[i] ?
- sta->ampdu_mlme.tid_tx[i]->dialog_token : 0);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n SSN :");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_tx[i] ?
- sta->ampdu_mlme.tid_tx[i]->ssn : 0);
- p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+ spin_lock_bh(&sta->lock);
+ p += scnprintf(p, sizeof(buf)+buf-p, "next dialog_token is %#02x\n",
+ sta->ampdu_mlme.dialog_token_allocator + 1);
+ for (i = 0; i < STA_TID_NUM; i++) {
+ p += scnprintf(p, sizeof(buf)+buf-p, "TID %02d:", i);
+ p += scnprintf(p, sizeof(buf)+buf-p, " RX=%x",
+ sta->ampdu_mlme.tid_state_rx[i]);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/DTKN=%#.2x",
+ sta->ampdu_mlme.tid_state_rx[i] ?
+ sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/SSN=%#.3x",
+ sta->ampdu_mlme.tid_state_rx[i] ?
+ sta->ampdu_mlme.tid_rx[i]->ssn : 0);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, " TX=%x",
+ sta->ampdu_mlme.tid_state_tx[i]);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/DTKN=%#.2x",
+ sta->ampdu_mlme.tid_state_tx[i] ?
+ sta->ampdu_mlme.tid_tx[i]->dialog_token : 0);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/SSN=%#.3x",
+ sta->ampdu_mlme.tid_state_tx[i] ?
+ sta->ampdu_mlme.tid_tx[i]->ssn : 0);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/pending=%03d",
+ sta->ampdu_mlme.tid_state_tx[i] ?
+ skb_queue_len(&sta->ampdu_mlme.tid_tx[i]->pending) : 0);
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+ }
+ spin_unlock_bh(&sta->lock);
return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
}
@@ -203,6 +196,22 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
DEBUGFS_ADD(inactive_ms);
DEBUGFS_ADD(last_seq_ctrl);
DEBUGFS_ADD(agg_status);
+ DEBUGFS_ADD(dev);
+ DEBUGFS_ADD(rx_packets);
+ DEBUGFS_ADD(tx_packets);
+ DEBUGFS_ADD(rx_bytes);
+ DEBUGFS_ADD(tx_bytes);
+ DEBUGFS_ADD(rx_duplicates);
+ DEBUGFS_ADD(rx_fragments);
+ DEBUGFS_ADD(rx_dropped);
+ DEBUGFS_ADD(tx_fragments);
+ DEBUGFS_ADD(tx_filtered);
+ DEBUGFS_ADD(tx_retry_failed);
+ DEBUGFS_ADD(tx_retry_count);
+ DEBUGFS_ADD(last_signal);
+ DEBUGFS_ADD(last_qual);
+ DEBUGFS_ADD(last_noise);
+ DEBUGFS_ADD(wep_weak_iv_count);
}
void ieee80211_sta_debugfs_remove(struct sta_info *sta)
@@ -212,6 +221,23 @@ void ieee80211_sta_debugfs_remove(struct sta_info *sta)
DEBUGFS_DEL(inactive_ms);
DEBUGFS_DEL(last_seq_ctrl);
DEBUGFS_DEL(agg_status);
+ DEBUGFS_DEL(aid);
+ DEBUGFS_DEL(dev);
+ DEBUGFS_DEL(rx_packets);
+ DEBUGFS_DEL(tx_packets);
+ DEBUGFS_DEL(rx_bytes);
+ DEBUGFS_DEL(tx_bytes);
+ DEBUGFS_DEL(rx_duplicates);
+ DEBUGFS_DEL(rx_fragments);
+ DEBUGFS_DEL(rx_dropped);
+ DEBUGFS_DEL(tx_fragments);
+ DEBUGFS_DEL(tx_filtered);
+ DEBUGFS_DEL(tx_retry_failed);
+ DEBUGFS_DEL(tx_retry_count);
+ DEBUGFS_DEL(last_signal);
+ DEBUGFS_DEL(last_qual);
+ DEBUGFS_DEL(last_noise);
+ DEBUGFS_DEL(wep_weak_iv_count);
debugfs_remove(sta->debugfs.dir);
sta->debugfs.dir = NULL;
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index b13446afd48..4100c361a99 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -3,6 +3,7 @@
#include <net/mac80211.h>
#include "ieee80211_i.h"
+#include "driver-trace.h"
static inline int drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
{
@@ -11,29 +12,37 @@ static inline int drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
static inline int drv_start(struct ieee80211_local *local)
{
- return local->ops->start(&local->hw);
+ int ret = local->ops->start(&local->hw);
+ trace_drv_start(local, ret);
+ return ret;
}
static inline void drv_stop(struct ieee80211_local *local)
{
local->ops->stop(&local->hw);
+ trace_drv_stop(local);
}
static inline int drv_add_interface(struct ieee80211_local *local,
struct ieee80211_if_init_conf *conf)
{
- return local->ops->add_interface(&local->hw, conf);
+ int ret = local->ops->add_interface(&local->hw, conf);
+ trace_drv_add_interface(local, conf->mac_addr, conf->vif, ret);
+ return ret;
}
static inline void drv_remove_interface(struct ieee80211_local *local,
struct ieee80211_if_init_conf *conf)
{
local->ops->remove_interface(&local->hw, conf);
+ trace_drv_remove_interface(local, conf->mac_addr, conf->vif);
}
static inline int drv_config(struct ieee80211_local *local, u32 changed)
{
- return local->ops->config(&local->hw, changed);
+ int ret = local->ops->config(&local->hw, changed);
+ trace_drv_config(local, changed, ret);
+ return ret;
}
static inline void drv_bss_info_changed(struct ieee80211_local *local,
@@ -43,6 +52,7 @@ static inline void drv_bss_info_changed(struct ieee80211_local *local,
{
if (local->ops->bss_info_changed)
local->ops->bss_info_changed(&local->hw, vif, info, changed);
+ trace_drv_bss_info_changed(local, vif, info, changed);
}
static inline void drv_configure_filter(struct ieee80211_local *local,
@@ -53,14 +63,18 @@ static inline void drv_configure_filter(struct ieee80211_local *local,
{
local->ops->configure_filter(&local->hw, changed_flags, total_flags,
mc_count, mc_list);
+ trace_drv_configure_filter(local, changed_flags, total_flags,
+ mc_count);
}
static inline int drv_set_tim(struct ieee80211_local *local,
struct ieee80211_sta *sta, bool set)
{
+ int ret = 0;
if (local->ops->set_tim)
- return local->ops->set_tim(&local->hw, sta, set);
- return 0;
+ ret = local->ops->set_tim(&local->hw, sta, set);
+ trace_drv_set_tim(local, sta, set, ret);
+ return ret;
}
static inline int drv_set_key(struct ieee80211_local *local,
@@ -68,7 +82,9 @@ static inline int drv_set_key(struct ieee80211_local *local,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
- return local->ops->set_key(&local->hw, cmd, vif, sta, key);
+ int ret = local->ops->set_key(&local->hw, cmd, vif, sta, key);
+ trace_drv_set_key(local, cmd, vif, sta, key, ret);
+ return ret;
}
static inline void drv_update_tkip_key(struct ieee80211_local *local,
@@ -79,32 +95,41 @@ static inline void drv_update_tkip_key(struct ieee80211_local *local,
if (local->ops->update_tkip_key)
local->ops->update_tkip_key(&local->hw, conf, address,
iv32, phase1key);
+ trace_drv_update_tkip_key(local, conf, address, iv32);
}
static inline int drv_hw_scan(struct ieee80211_local *local,
struct cfg80211_scan_request *req)
{
- return local->ops->hw_scan(&local->hw, req);
+ int ret = local->ops->hw_scan(&local->hw, req);
+ trace_drv_hw_scan(local, req, ret);
+ return ret;
}
static inline void drv_sw_scan_start(struct ieee80211_local *local)
{
if (local->ops->sw_scan_start)
local->ops->sw_scan_start(&local->hw);
+ trace_drv_sw_scan_start(local);
}
static inline void drv_sw_scan_complete(struct ieee80211_local *local)
{
if (local->ops->sw_scan_complete)
local->ops->sw_scan_complete(&local->hw);
+ trace_drv_sw_scan_complete(local);
}
static inline int drv_get_stats(struct ieee80211_local *local,
struct ieee80211_low_level_stats *stats)
{
- if (!local->ops->get_stats)
- return -EOPNOTSUPP;
- return local->ops->get_stats(&local->hw, stats);
+ int ret = -EOPNOTSUPP;
+
+ if (local->ops->get_stats)
+ ret = local->ops->get_stats(&local->hw, stats);
+ trace_drv_get_stats(local, stats, ret);
+
+ return ret;
}
static inline void drv_get_tkip_seq(struct ieee80211_local *local,
@@ -112,14 +137,17 @@ static inline void drv_get_tkip_seq(struct ieee80211_local *local,
{
if (local->ops->get_tkip_seq)
local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16);
+ trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16);
}
static inline int drv_set_rts_threshold(struct ieee80211_local *local,
u32 value)
{
+ int ret = 0;
if (local->ops->set_rts_threshold)
- return local->ops->set_rts_threshold(&local->hw, value);
- return 0;
+ ret = local->ops->set_rts_threshold(&local->hw, value);
+ trace_drv_set_rts_threshold(local, value, ret);
+ return ret;
}
static inline void drv_sta_notify(struct ieee80211_local *local,
@@ -129,46 +157,57 @@ static inline void drv_sta_notify(struct ieee80211_local *local,
{
if (local->ops->sta_notify)
local->ops->sta_notify(&local->hw, vif, cmd, sta);
+ trace_drv_sta_notify(local, vif, cmd, sta);
}
static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
+ int ret = -EOPNOTSUPP;
if (local->ops->conf_tx)
- return local->ops->conf_tx(&local->hw, queue, params);
- return -EOPNOTSUPP;
+ ret = local->ops->conf_tx(&local->hw, queue, params);
+ trace_drv_conf_tx(local, queue, params, ret);
+ return ret;
}
static inline int drv_get_tx_stats(struct ieee80211_local *local,
struct ieee80211_tx_queue_stats *stats)
{
- return local->ops->get_tx_stats(&local->hw, stats);
+ int ret = local->ops->get_tx_stats(&local->hw, stats);
+ trace_drv_get_tx_stats(local, stats, ret);
+ return ret;
}
static inline u64 drv_get_tsf(struct ieee80211_local *local)
{
+ u64 ret = -1ULL;
if (local->ops->get_tsf)
- return local->ops->get_tsf(&local->hw);
- return -1ULL;
+ ret = local->ops->get_tsf(&local->hw);
+ trace_drv_get_tsf(local, ret);
+ return ret;
}
static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
{
if (local->ops->set_tsf)
local->ops->set_tsf(&local->hw, tsf);
+ trace_drv_set_tsf(local, tsf);
}
static inline void drv_reset_tsf(struct ieee80211_local *local)
{
if (local->ops->reset_tsf)
local->ops->reset_tsf(&local->hw);
+ trace_drv_reset_tsf(local);
}
static inline int drv_tx_last_beacon(struct ieee80211_local *local)
{
+ int ret = 1;
if (local->ops->tx_last_beacon)
- return local->ops->tx_last_beacon(&local->hw);
- return 1;
+ ret = local->ops->tx_last_beacon(&local->hw);
+ trace_drv_tx_last_beacon(local, ret);
+ return ret;
}
static inline int drv_ampdu_action(struct ieee80211_local *local,
@@ -176,10 +215,12 @@ static inline int drv_ampdu_action(struct ieee80211_local *local,
struct ieee80211_sta *sta, u16 tid,
u16 *ssn)
{
+ int ret = -EOPNOTSUPP;
if (local->ops->ampdu_action)
- return local->ops->ampdu_action(&local->hw, action,
- sta, tid, ssn);
- return -EOPNOTSUPP;
+ ret = local->ops->ampdu_action(&local->hw, action,
+ sta, tid, ssn);
+ trace_drv_ampdu_action(local, action, sta, tid, ssn, ret);
+ return ret;
}
diff --git a/net/mac80211/driver-trace.c b/net/mac80211/driver-trace.c
new file mode 100644
index 00000000000..8ed8711b1a6
--- /dev/null
+++ b/net/mac80211/driver-trace.c
@@ -0,0 +1,9 @@
+/* bug in tracepoint.h, it should include this */
+#include <linux/module.h>
+
+/* sparse isn't too happy with all macros... */
+#ifndef __CHECKER__
+#include "driver-ops.h"
+#define CREATE_TRACE_POINTS
+#include "driver-trace.h"
+#endif
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
new file mode 100644
index 00000000000..5a10da2d70f
--- /dev/null
+++ b/net/mac80211/driver-trace.h
@@ -0,0 +1,648 @@
+#if !defined(__MAC80211_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
+#define __MAC80211_DRIVER_TRACE
+
+#include <linux/tracepoint.h>
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+
+#if !defined(CONFIG_MAC80211_DRIVER_API_TRACER) || defined(__CHECKER__)
+#undef TRACE_EVENT
+#define TRACE_EVENT(name, proto, ...) \
+static inline void trace_ ## name(proto) {}
+#endif
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mac80211
+
+#define MAXNAME 32
+#define LOCAL_ENTRY __array(char, wiphy_name, 32)
+#define LOCAL_ASSIGN strlcpy(__entry->wiphy_name, wiphy_name(local->hw.wiphy), MAXNAME)
+#define LOCAL_PR_FMT "%s"
+#define LOCAL_PR_ARG __entry->wiphy_name
+
+#define STA_ENTRY __array(char, sta_addr, ETH_ALEN)
+#define STA_ASSIGN (sta ? memcpy(__entry->sta_addr, sta->addr, ETH_ALEN) : memset(__entry->sta_addr, 0, ETH_ALEN))
+#define STA_PR_FMT " sta:%pM"
+#define STA_PR_ARG __entry->sta_addr
+
+#define VIF_ENTRY __field(enum nl80211_iftype, vif_type) __field(void *, vif)
+#define VIF_ASSIGN __entry->vif_type = vif ? vif->type : 0; __entry->vif = vif
+#define VIF_PR_FMT " vif:%p(%d)"
+#define VIF_PR_ARG __entry->vif, __entry->vif_type
+
+TRACE_EVENT(drv_start,
+ TP_PROTO(struct ieee80211_local *local, int ret),
+
+ TP_ARGS(local, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT, LOCAL_PR_ARG
+ )
+);
+
+TRACE_EVENT(drv_stop,
+ TP_PROTO(struct ieee80211_local *local),
+
+ TP_ARGS(local),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT, LOCAL_PR_ARG
+ )
+);
+
+TRACE_EVENT(drv_add_interface,
+ TP_PROTO(struct ieee80211_local *local,
+ const u8 *addr,
+ struct ieee80211_vif *vif,
+ int ret),
+
+ TP_ARGS(local, addr, vif, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ __array(char, addr, 6)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ memcpy(__entry->addr, addr, 6);
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT " addr:%pM ret:%d",
+ LOCAL_PR_ARG, VIF_PR_ARG, __entry->addr, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_remove_interface,
+ TP_PROTO(struct ieee80211_local *local,
+ const u8 *addr, struct ieee80211_vif *vif),
+
+ TP_ARGS(local, addr, vif),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ __array(char, addr, 6)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ memcpy(__entry->addr, addr, 6);
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT " addr:%pM",
+ LOCAL_PR_ARG, VIF_PR_ARG, __entry->addr
+ )
+);
+
+TRACE_EVENT(drv_config,
+ TP_PROTO(struct ieee80211_local *local,
+ u32 changed,
+ int ret),
+
+ TP_ARGS(local, changed, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u32, changed)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->changed = changed;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " ch:%#x ret:%d",
+ LOCAL_PR_ARG, __entry->changed, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_bss_info_changed,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed),
+
+ TP_ARGS(local, vif, info, changed),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ __field(bool, assoc)
+ __field(u16, aid)
+ __field(bool, cts)
+ __field(bool, shortpre)
+ __field(bool, shortslot)
+ __field(u8, dtimper)
+ __field(u16, bcnint)
+ __field(u16, assoc_cap)
+ __field(u64, timestamp)
+ __field(u32, basic_rates)
+ __field(u32, changed)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ __entry->changed = changed;
+ __entry->aid = info->aid;
+ __entry->assoc = info->assoc;
+ __entry->shortpre = info->use_short_preamble;
+ __entry->cts = info->use_cts_prot;
+ __entry->shortslot = info->use_short_slot;
+ __entry->dtimper = info->dtim_period;
+ __entry->bcnint = info->beacon_int;
+ __entry->assoc_cap = info->assoc_capability;
+ __entry->timestamp = info->timestamp;
+ __entry->basic_rates = info->basic_rates;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT " changed:%#x",
+ LOCAL_PR_ARG, VIF_PR_ARG, __entry->changed
+ )
+);
+
+TRACE_EVENT(drv_configure_filter,
+ TP_PROTO(struct ieee80211_local *local,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ int mc_count),
+
+ TP_ARGS(local, changed_flags, total_flags, mc_count),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(unsigned int, changed)
+ __field(unsigned int, total)
+ __field(int, mc)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->changed = changed_flags;
+ __entry->total = *total_flags;
+ __entry->mc = mc_count;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " changed:%#x total:%#x mc:%d",
+ LOCAL_PR_ARG, __entry->changed, __entry->total, __entry->mc
+ )
+);
+
+TRACE_EVENT(drv_set_tim,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sta *sta, bool set, int ret),
+
+ TP_ARGS(local, sta, set, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(bool, set)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->set = set;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT " set:%d ret:%d",
+ LOCAL_PR_ARG, STA_PR_FMT, __entry->set, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_set_key,
+ TP_PROTO(struct ieee80211_local *local,
+ enum set_key_cmd cmd, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key, int ret),
+
+ TP_ARGS(local, cmd, vif, sta, key, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ STA_ENTRY
+ __field(enum ieee80211_key_alg, alg)
+ __field(u8, hw_key_idx)
+ __field(u8, flags)
+ __field(s8, keyidx)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ STA_ASSIGN;
+ __entry->alg = key->alg;
+ __entry->flags = key->flags;
+ __entry->keyidx = key->keyidx;
+ __entry->hw_key_idx = key->hw_key_idx;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " ret:%d",
+ LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_update_tkip_key,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_key_conf *conf,
+ const u8 *address, u32 iv32),
+
+ TP_ARGS(local, conf, address, iv32),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __array(u8, addr, 6)
+ __field(u32, iv32)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ memcpy(__entry->addr, address, 6);
+ __entry->iv32 = iv32;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " addr:%pM iv32:%#x",
+ LOCAL_PR_ARG, __entry->addr, __entry->iv32
+ )
+);
+
+TRACE_EVENT(drv_hw_scan,
+ TP_PROTO(struct ieee80211_local *local,
+ struct cfg80211_scan_request *req, int ret),
+
+ TP_ARGS(local, req, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " ret:%d",
+ LOCAL_PR_ARG, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_sw_scan_start,
+ TP_PROTO(struct ieee80211_local *local),
+
+ TP_ARGS(local),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT, LOCAL_PR_ARG
+ )
+);
+
+TRACE_EVENT(drv_sw_scan_complete,
+ TP_PROTO(struct ieee80211_local *local),
+
+ TP_ARGS(local),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT, LOCAL_PR_ARG
+ )
+);
+
+TRACE_EVENT(drv_get_stats,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_low_level_stats *stats,
+ int ret),
+
+ TP_ARGS(local, stats, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(int, ret)
+ __field(unsigned int, ackfail)
+ __field(unsigned int, rtsfail)
+ __field(unsigned int, fcserr)
+ __field(unsigned int, rtssucc)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->ret = ret;
+ __entry->ackfail = stats->dot11ACKFailureCount;
+ __entry->rtsfail = stats->dot11RTSFailureCount;
+ __entry->fcserr = stats->dot11FCSErrorCount;
+ __entry->rtssucc = stats->dot11RTSSuccessCount;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " ret:%d",
+ LOCAL_PR_ARG, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_get_tkip_seq,
+ TP_PROTO(struct ieee80211_local *local,
+ u8 hw_key_idx, u32 *iv32, u16 *iv16),
+
+ TP_ARGS(local, hw_key_idx, iv32, iv16),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u8, hw_key_idx)
+ __field(u32, iv32)
+ __field(u16, iv16)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->hw_key_idx = hw_key_idx;
+ __entry->iv32 = *iv32;
+ __entry->iv16 = *iv16;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT, LOCAL_PR_ARG
+ )
+);
+
+TRACE_EVENT(drv_set_rts_threshold,
+ TP_PROTO(struct ieee80211_local *local, u32 value, int ret),
+
+ TP_ARGS(local, value, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u32, value)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->ret = ret;
+ __entry->value = value;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " value:%d ret:%d",
+ LOCAL_PR_ARG, __entry->value, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_sta_notify,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd,
+ struct ieee80211_sta *sta),
+
+ TP_ARGS(local, vif, cmd, sta),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ STA_ENTRY
+ __field(u32, cmd)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ STA_ASSIGN;
+ __entry->cmd = cmd;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " cmd:%d",
+ LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->cmd
+ )
+);
+
+TRACE_EVENT(drv_conf_tx,
+ TP_PROTO(struct ieee80211_local *local, u16 queue,
+ const struct ieee80211_tx_queue_params *params,
+ int ret),
+
+ TP_ARGS(local, queue, params, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u16, queue)
+ __field(u16, txop)
+ __field(u16, cw_min)
+ __field(u16, cw_max)
+ __field(u8, aifs)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->queue = queue;
+ __entry->ret = ret;
+ __entry->txop = params->txop;
+ __entry->cw_max = params->cw_max;
+ __entry->cw_min = params->cw_min;
+ __entry->aifs = params->aifs;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " queue:%d ret:%d",
+ LOCAL_PR_ARG, __entry->queue, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_get_tx_stats,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_tx_queue_stats *stats,
+ int ret),
+
+ TP_ARGS(local, stats, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " ret:%d",
+ LOCAL_PR_ARG, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_get_tsf,
+ TP_PROTO(struct ieee80211_local *local, u64 ret),
+
+ TP_ARGS(local, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u64, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " ret:%llu",
+ LOCAL_PR_ARG, (unsigned long long)__entry->ret
+ )
+);
+
+TRACE_EVENT(drv_set_tsf,
+ TP_PROTO(struct ieee80211_local *local, u64 tsf),
+
+ TP_ARGS(local, tsf),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u64, tsf)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->tsf = tsf;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " tsf:%llu",
+ LOCAL_PR_ARG, (unsigned long long)__entry->tsf
+ )
+);
+
+TRACE_EVENT(drv_reset_tsf,
+ TP_PROTO(struct ieee80211_local *local),
+
+ TP_ARGS(local),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT, LOCAL_PR_ARG
+ )
+);
+
+TRACE_EVENT(drv_tx_last_beacon,
+ TP_PROTO(struct ieee80211_local *local, int ret),
+
+ TP_ARGS(local, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " ret:%d",
+ LOCAL_PR_ARG, __entry->ret
+ )
+);
+
+TRACE_EVENT(drv_ampdu_action,
+ TP_PROTO(struct ieee80211_local *local,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid,
+ u16 *ssn, int ret),
+
+ TP_ARGS(local, action, sta, tid, ssn, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(u32, action)
+ __field(u16, tid)
+ __field(u16, ssn)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->ret = ret;
+ __entry->action = action;
+ __entry->tid = tid;
+ __entry->ssn = *ssn;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT " action:%d tid:%d ret:%d",
+ LOCAL_PR_ARG, STA_PR_ARG, __entry->action, __entry->tid, __entry->ret
+ )
+);
+#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE driver-trace
+#include <trace/define_trace.h>
diff --git a/net/mac80211/event.c b/net/mac80211/event.c
index f288d01a634..01ae759518f 100644
--- a/net/mac80211/event.c
+++ b/net/mac80211/event.c
@@ -7,8 +7,7 @@
*
* mac80211 - events
*/
-
-#include <net/iw_handler.h>
+#include <net/cfg80211.h>
#include "ieee80211_i.h"
/*
@@ -17,26 +16,12 @@
* driver or is still in the frame), it should provide that information.
*/
void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
- struct ieee80211_hdr *hdr, const u8 *tsc)
+ struct ieee80211_hdr *hdr, const u8 *tsc,
+ gfp_t gfp)
{
- union iwreq_data wrqu;
- char *buf = kmalloc(128, GFP_ATOMIC);
-
- if (buf) {
- /* TODO: needed parameters: count, key type, TSC */
- sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
- "keyid=%d %scast addr=%pM)",
- keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
- hdr->addr2);
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = strlen(buf);
- wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf);
- kfree(buf);
- }
-
cfg80211_michael_mic_failure(sdata->dev, hdr->addr2,
(hdr->addr1[0] & 0x01) ?
NL80211_KEYTYPE_GROUP :
NL80211_KEYTYPE_PAIRWISE,
- keyidx, tsc);
+ keyidx, tsc, gfp);
}
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 0b30277eb36..920ec8792f4 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -57,7 +57,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
*/
if (auth_alg == WLAN_AUTH_OPEN && auth_transaction == 1)
ieee80211_send_auth(sdata, 2, WLAN_AUTH_OPEN, NULL, 0,
- sdata->u.ibss.bssid, 0);
+ sdata->u.ibss.bssid, NULL, 0, 0);
}
static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
@@ -494,7 +494,7 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
capability = WLAN_CAPABILITY_IBSS;
- if (sdata->default_key)
+ if (ifibss->privacy)
capability |= WLAN_CAPABILITY_PRIVACY;
else
sdata->drop_unencrypted = 0;
@@ -524,9 +524,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
return;
capability = WLAN_CAPABILITY_IBSS;
- if (sdata->default_key)
+ if (ifibss->privacy)
capability |= WLAN_CAPABILITY_PRIVACY;
-
if (ifibss->fixed_bssid)
bssid = ifibss->bssid;
if (ifibss->fixed_channel)
@@ -705,7 +704,7 @@ static void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt;
u16 fc;
- rx_status = (struct ieee80211_rx_status *) skb->cb;
+ rx_status = IEEE80211_SKB_RXCB(skb);
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
@@ -743,7 +742,7 @@ static void ieee80211_ibss_work(struct work_struct *work)
if (!netif_running(sdata->dev))
return;
- if (local->sw_scanning || local->hw_scanning)
+ if (local->scanning)
return;
if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_ADHOC))
@@ -782,7 +781,7 @@ static void ieee80211_ibss_timer(unsigned long data)
}
set_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request);
- queue_work(local->hw.workqueue, &ifibss->work);
+ ieee80211_queue_work(&local->hw, &ifibss->work);
}
#ifdef CONFIG_PM
@@ -836,8 +835,7 @@ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local)
}
ieee80211_rx_result
-ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status)
+ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_mgmt *mgmt;
@@ -852,11 +850,10 @@ ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
switch (fc & IEEE80211_FCTL_STYPE) {
case IEEE80211_STYPE_PROBE_RESP:
case IEEE80211_STYPE_BEACON:
- memcpy(skb->cb, rx_status, sizeof(*rx_status));
case IEEE80211_STYPE_PROBE_REQ:
case IEEE80211_STYPE_AUTH:
skb_queue_tail(&sdata->u.ibss.skb_queue, skb);
- queue_work(local->hw.workqueue, &sdata->u.ibss.work);
+ ieee80211_queue_work(&local->hw, &sdata->u.ibss.work);
return RX_QUEUED;
}
@@ -874,6 +871,8 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
} else
sdata->u.ibss.fixed_bssid = false;
+ sdata->u.ibss.privacy = params->privacy;
+
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
sdata->u.ibss.channel = params->channel;
@@ -913,7 +912,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_idle(sdata->local);
set_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request);
- queue_work(sdata->local->hw.workqueue, &sdata->u.ibss.work);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.ibss.work);
return 0;
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 68eb5052179..630a438180f 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -24,7 +24,6 @@
#include <linux/spinlock.h>
#include <linux/etherdevice.h>
#include <net/cfg80211.h>
-#include <net/iw_handler.h>
#include <net/mac80211.h>
#include "key.h"
#include "sta_info.h"
@@ -227,86 +226,80 @@ struct mesh_preq_queue {
u8 flags;
};
+enum ieee80211_mgd_state {
+ IEEE80211_MGD_STATE_IDLE,
+ IEEE80211_MGD_STATE_PROBE,
+ IEEE80211_MGD_STATE_AUTH,
+ IEEE80211_MGD_STATE_ASSOC,
+};
+
+struct ieee80211_mgd_work {
+ struct list_head list;
+ struct ieee80211_bss *bss;
+ int ie_len;
+ u8 prev_bssid[ETH_ALEN];
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 ssid_len;
+ unsigned long timeout;
+ enum ieee80211_mgd_state state;
+ u16 auth_alg, auth_transaction;
+
+ int tries;
+
+ u8 key[WLAN_KEY_LEN_WEP104];
+ u8 key_len, key_idx;
+
+ /* must be last */
+ u8 ie[0]; /* for auth or assoc frame, not probe */
+};
+
/* flags used in struct ieee80211_if_managed.flags */
-#define IEEE80211_STA_SSID_SET BIT(0)
-#define IEEE80211_STA_BSSID_SET BIT(1)
-#define IEEE80211_STA_PREV_BSSID_SET BIT(2)
-#define IEEE80211_STA_AUTHENTICATED BIT(3)
-#define IEEE80211_STA_ASSOCIATED BIT(4)
-#define IEEE80211_STA_PROBEREQ_POLL BIT(5)
-#define IEEE80211_STA_CREATE_IBSS BIT(6)
-#define IEEE80211_STA_CONTROL_PORT BIT(7)
-#define IEEE80211_STA_WMM_ENABLED BIT(8)
-/* hole at 9, please re-use */
-#define IEEE80211_STA_AUTO_SSID_SEL BIT(10)
-#define IEEE80211_STA_AUTO_BSSID_SEL BIT(11)
-#define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12)
-#define IEEE80211_STA_PRIVACY_INVOKED BIT(13)
-#define IEEE80211_STA_TKIP_WEP_USED BIT(14)
-#define IEEE80211_STA_CSA_RECEIVED BIT(15)
-#define IEEE80211_STA_MFP_ENABLED BIT(16)
-#define IEEE80211_STA_EXT_SME BIT(17)
-/* flags for MLME request */
-#define IEEE80211_STA_REQ_SCAN 0
-#define IEEE80211_STA_REQ_AUTH 1
-#define IEEE80211_STA_REQ_RUN 2
+enum ieee80211_sta_flags {
+ IEEE80211_STA_BEACON_POLL = BIT(0),
+ IEEE80211_STA_CONNECTION_POLL = BIT(1),
+ IEEE80211_STA_CONTROL_PORT = BIT(2),
+ IEEE80211_STA_WMM_ENABLED = BIT(3),
+ IEEE80211_STA_DISABLE_11N = BIT(4),
+ IEEE80211_STA_CSA_RECEIVED = BIT(5),
+ IEEE80211_STA_MFP_ENABLED = BIT(6),
+};
-/* bitfield of allowed auth algs */
-#define IEEE80211_AUTH_ALG_OPEN BIT(0)
-#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
-#define IEEE80211_AUTH_ALG_LEAP BIT(2)
-#define IEEE80211_AUTH_ALG_FT BIT(3)
+/* flags for MLME request */
+enum ieee80211_sta_request {
+ IEEE80211_STA_REQ_SCAN,
+};
struct ieee80211_if_managed {
struct timer_list timer;
+ struct timer_list conn_mon_timer;
+ struct timer_list bcn_mon_timer;
struct timer_list chswitch_timer;
struct work_struct work;
+ struct work_struct monitor_work;
struct work_struct chswitch_work;
struct work_struct beacon_loss_work;
- u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
+ unsigned long probe_timeout;
+ int probe_send_count;
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- size_t ssid_len;
+ struct mutex mtx;
+ struct ieee80211_bss *associated;
+ struct list_head work_list;
- enum {
- IEEE80211_STA_MLME_DISABLED,
- IEEE80211_STA_MLME_DIRECT_PROBE,
- IEEE80211_STA_MLME_AUTHENTICATE,
- IEEE80211_STA_MLME_ASSOCIATE,
- IEEE80211_STA_MLME_ASSOCIATED,
- } state;
+ u8 bssid[ETH_ALEN];
u16 aid;
- u16 ap_capab, capab;
- u8 *extra_ie; /* to be added to the end of AssocReq */
- size_t extra_ie_len;
-
- /* The last AssocReq/Resp IEs */
- u8 *assocreq_ies, *assocresp_ies;
- size_t assocreq_ies_len, assocresp_ies_len;
+ u16 capab;
struct sk_buff_head skb_queue;
- int assoc_scan_tries; /* number of scans done pre-association */
- int direct_probe_tries; /* retries for direct probes */
- int auth_tries; /* retries for auth req */
- int assoc_tries; /* retries for assoc req */
-
unsigned long timers_running; /* used for quiesce/restart */
bool powersave; /* powersave requested for this iface */
unsigned long request;
- unsigned long last_probe;
- unsigned long last_beacon;
-
unsigned int flags;
- unsigned int auth_algs; /* bitfield of allowed auth algs */
- int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
- int auth_transaction;
-
u32 beacon_crc;
enum {
@@ -316,10 +309,6 @@ struct ieee80211_if_managed {
} mfp; /* management frame protection */
int wmm_last_param_set;
-
- /* Extra IE data for management frames */
- u8 *sme_auth_ie;
- size_t sme_auth_ie_len;
};
enum ieee80211_ibss_request {
@@ -339,6 +328,7 @@ struct ieee80211_if_ibss {
bool fixed_bssid;
bool fixed_channel;
+ bool privacy;
u8 bssid[ETH_ALEN];
u8 ssid[IEEE80211_MAX_SSID_LEN];
@@ -478,20 +468,9 @@ struct ieee80211_sub_if_data {
union {
struct {
struct dentry *drop_unencrypted;
- struct dentry *state;
struct dentry *bssid;
- struct dentry *prev_bssid;
- struct dentry *ssid_len;
struct dentry *aid;
- struct dentry *ap_capab;
struct dentry *capab;
- struct dentry *extra_ie_len;
- struct dentry *auth_tries;
- struct dentry *assoc_tries;
- struct dentry *auth_algs;
- struct dentry *auth_alg;
- struct dentry *auth_transaction;
- struct dentry *flags;
struct dentry *force_unicast_rateidx;
struct dentry *max_ratectrl_rateidx;
} sta;
@@ -588,12 +567,44 @@ enum queue_stop_reason {
IEEE80211_QUEUE_STOP_REASON_CSA,
IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
IEEE80211_QUEUE_STOP_REASON_SUSPEND,
- IEEE80211_QUEUE_STOP_REASON_PENDING,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
};
-struct ieee80211_master_priv {
- struct ieee80211_local *local;
+/**
+ * mac80211 scan flags - currently active scan mode
+ *
+ * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
+ * well be on the operating channel
+ * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
+ * determine if we are on the operating channel or not
+ * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning,
+ * gets only set in conjunction with SCAN_SW_SCANNING
+ */
+enum {
+ SCAN_SW_SCANNING,
+ SCAN_HW_SCANNING,
+ SCAN_OFF_CHANNEL,
+};
+
+/**
+ * enum mac80211_scan_state - scan state machine states
+ *
+ * @SCAN_DECISION: Main entry point to the scan state machine, this state
+ * determines if we should keep on scanning or switch back to the
+ * operating channel
+ * @SCAN_SET_CHANNEL: Set the next channel to be scanned
+ * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
+ * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP
+ * about us leaving the channel and stop all associated STA interfaces
+ * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the
+ * AP about us being back and restart all associated STA interfaces
+ */
+enum mac80211_scan_state {
+ SCAN_DECISION,
+ SCAN_SET_CHANNEL,
+ SCAN_SEND_PROBE,
+ SCAN_LEAVE_OPER_CHANNEL,
+ SCAN_ENTER_OPER_CHANNEL,
};
struct ieee80211_local {
@@ -604,17 +615,30 @@ struct ieee80211_local {
const struct ieee80211_ops *ops;
+ /*
+ * private workqueue to mac80211. mac80211 makes this accessible
+ * via ieee80211_queue_work()
+ */
+ struct workqueue_struct *workqueue;
+
unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
/* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
spinlock_t queue_stop_reason_lock;
- struct net_device *mdev; /* wmaster# - "master" 802.11 device */
int open_count;
int monitors, cooked_mntrs;
/* number of interfaces with corresponding FIF_ flags */
- int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss;
+ int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll;
unsigned int filter_flags; /* FIF_* */
struct iw_statistics wstats;
+
+ /* protects the aggregated multicast list and filter calls */
+ spinlock_t filter_lock;
+
+ /* aggregated multicast list */
+ struct dev_addr_list *mc_list;
+ int mc_count;
+
bool tim_in_locked_section; /* see ieee80211_beacon_get() */
/*
@@ -687,7 +711,7 @@ struct ieee80211_local {
/* Scanning and BSS list */
struct mutex scan_mtx;
- bool sw_scanning, hw_scanning;
+ unsigned long scanning;
struct cfg80211_ssid scan_ssid;
struct cfg80211_scan_request int_scan_req;
struct cfg80211_scan_request *scan_req;
@@ -697,7 +721,7 @@ struct ieee80211_local {
int scan_channel_idx;
int scan_ies_len;
- enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
+ enum mac80211_scan_state next_scan_state;
struct delayed_work scan_work;
struct ieee80211_sub_if_data *scan_sdata;
enum nl80211_channel_type oper_channel_type;
@@ -834,10 +858,6 @@ struct ieee80211_local {
static inline struct ieee80211_sub_if_data *
IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
- BUG_ON(!local || local->mdev == dev);
-
return netdev_priv(dev);
}
@@ -937,21 +957,20 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
void ieee80211_configure_filter(struct ieee80211_local *local);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
-/* wireless extensions */
-extern const struct iw_handler_def ieee80211_iw_handler_def;
-
/* STA code */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
+int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_auth_request *req);
+int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_assoc_request *req);
+int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_deauth_request *req,
+ void *cookie);
+int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_disassoc_request *req,
+ void *cookie);
ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
-int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata);
-int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
-int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
-int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
-void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata);
-int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
-int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);
+ struct sk_buff *skb);
void ieee80211_send_pspoll(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
@@ -967,8 +986,7 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
ieee80211_rx_result
-ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
+ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
u8 *bssid, u8 *addr, u32 supp_rates);
int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
@@ -983,16 +1001,9 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
const u8 *ssid, u8 ssid_len);
int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req);
-int ieee80211_scan_results(struct ieee80211_local *local,
- struct iw_request_info *info,
- char *buf, size_t len);
void ieee80211_scan_cancel(struct ieee80211_local *local);
ieee80211_rx_result
-ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
-int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata,
- const char *ie, size_t len);
+ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
struct ieee80211_bss *
@@ -1008,8 +1019,6 @@ ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
u8 *ssid, u8 ssid_len);
void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_bss *bss);
-void ieee80211_rx_bss_remove(struct ieee80211_sub_if_data *sdata, u8 *bssid,
- int freq, u8 *ssid, u8 ssid_len);
/* interface handling */
int ieee80211_if_add(struct ieee80211_local *local, const char *name,
@@ -1025,7 +1034,6 @@ void ieee80211_recalc_idle(struct ieee80211_local *local);
/* tx handling */
void ieee80211_clear_tx_pending(struct ieee80211_local *local);
void ieee80211_tx_pending(unsigned long data);
-int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev);
int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
@@ -1092,7 +1100,8 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
int rate, int erp, int short_preamble);
void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
- struct ieee80211_hdr *hdr, const u8 *tsc);
+ struct ieee80211_hdr *hdr, const u8 *tsc,
+ gfp_t gfp);
void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
int encrypt);
@@ -1129,8 +1138,8 @@ int ieee80211_add_pending_skbs(struct ieee80211_local *local,
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg,
- u8 *extra, size_t extra_len,
- const u8 *bssid, int encrypt);
+ u8 *extra, size_t extra_len, const u8 *bssid,
+ const u8 *key, u8 key_len, u8 key_idx);
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
const u8 *ie, size_t ie_len);
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index b7c8a448429..e8fb03b91a4 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -190,10 +190,6 @@ static int ieee80211_open(struct net_device *dev)
ETH_ALEN);
}
- if (compare_ether_addr(null_addr, local->mdev->dev_addr) == 0)
- memcpy(local->mdev->dev_addr, local->hw.wiphy->perm_addr,
- ETH_ALEN);
-
/*
* Validate the MAC address for this device.
*/
@@ -224,18 +220,17 @@ static int ieee80211_open(struct net_device *dev)
local->fif_fcsfail++;
if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
local->fif_plcpfail++;
- if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL)
+ if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL) {
local->fif_control++;
+ local->fif_pspoll++;
+ }
if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
local->fif_other_bss++;
- netif_addr_lock_bh(local->mdev);
+ spin_lock_bh(&local->filter_lock);
ieee80211_configure_filter(local);
- netif_addr_unlock_bh(local->mdev);
+ spin_unlock_bh(&local->filter_lock);
break;
- case NL80211_IFTYPE_STATION:
- sdata->u.mgd.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
- /* fall through */
default:
conf.vif = &sdata->vif;
conf.type = sdata->vif.type;
@@ -246,12 +241,19 @@ static int ieee80211_open(struct net_device *dev)
if (ieee80211_vif_is_mesh(&sdata->vif)) {
local->fif_other_bss++;
- netif_addr_lock_bh(local->mdev);
+ spin_lock_bh(&local->filter_lock);
ieee80211_configure_filter(local);
- netif_addr_unlock_bh(local->mdev);
+ spin_unlock_bh(&local->filter_lock);
ieee80211_start_mesh(sdata);
+ } else if (sdata->vif.type == NL80211_IFTYPE_AP) {
+ local->fif_pspoll++;
+
+ spin_lock_bh(&local->filter_lock);
+ ieee80211_configure_filter(local);
+ spin_unlock_bh(&local->filter_lock);
}
+
changed |= ieee80211_reset_erp_info(sdata);
ieee80211_bss_info_change_notify(sdata, changed);
ieee80211_enable_keys(sdata);
@@ -282,10 +284,6 @@ static int ieee80211_open(struct net_device *dev)
}
if (local->open_count == 0) {
- res = dev_open(local->mdev);
- WARN_ON(res);
- if (res)
- goto err_del_interface;
tasklet_enable(&local->tx_pending_tasklet);
tasklet_enable(&local->tasklet);
}
@@ -323,7 +321,7 @@ static int ieee80211_open(struct net_device *dev)
* to fix this.
*/
if (sdata->vif.type == NL80211_IFTYPE_STATION)
- queue_work(local->hw.workqueue, &sdata->u.mgd.work);
+ ieee80211_queue_work(&local->hw, &sdata->u.mgd.work);
netif_tx_start_all_queues(dev);
@@ -346,7 +344,10 @@ static int ieee80211_stop(struct net_device *dev)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_init_conf conf;
struct sta_info *sta;
+ unsigned long flags;
+ struct sk_buff *skb, *tmp;
u32 hw_reconf_flags = 0;
+ int i;
/*
* Stop TX on this interface first.
@@ -366,18 +367,6 @@ static int ieee80211_stop(struct net_device *dev)
rcu_read_unlock();
/*
- * Announce that we are leaving the network, in case we are a
- * station interface type. This must be done before removing
- * all stations associated with sta_info_flush, otherwise STA
- * information will be gone and no announce being done.
- */
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (sdata->u.mgd.state != IEEE80211_STA_MLME_DISABLED)
- ieee80211_sta_deauthenticate(sdata,
- WLAN_REASON_DEAUTH_LEAVING);
- }
-
- /*
* Remove all stations associated with this interface.
*
* This must be done before calling ops->remove_interface()
@@ -408,13 +397,23 @@ static int ieee80211_stop(struct net_device *dev)
if (sdata->flags & IEEE80211_SDATA_PROMISC)
atomic_dec(&local->iff_promiscs);
- dev_mc_unsync(local->mdev, dev);
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ local->fif_pspoll--;
+
+ netif_addr_lock_bh(dev);
+ spin_lock_bh(&local->filter_lock);
+ __dev_addr_unsync(&local->mc_list, &local->mc_count,
+ &dev->mc_list, &dev->mc_count);
+ ieee80211_configure_filter(local);
+ spin_unlock_bh(&local->filter_lock);
+ netif_addr_unlock_bh(dev);
+
del_timer_sync(&local->dynamic_ps_timer);
cancel_work_sync(&local->dynamic_ps_enable_work);
/* APs need special treatment */
if (sdata->vif.type == NL80211_IFTYPE_AP) {
- struct ieee80211_sub_if_data *vlan, *tmp;
+ struct ieee80211_sub_if_data *vlan, *tmpsdata;
struct beacon_data *old_beacon = sdata->u.ap.beacon;
/* remove beacon */
@@ -423,7 +422,7 @@ static int ieee80211_stop(struct net_device *dev)
kfree(old_beacon);
/* down all dependent devices, that is VLANs */
- list_for_each_entry_safe(vlan, tmp, &sdata->u.ap.vlans,
+ list_for_each_entry_safe(vlan, tmpsdata, &sdata->u.ap.vlans,
u.vlan.list)
dev_close(vlan->dev);
WARN_ON(!list_empty(&sdata->u.ap.vlans));
@@ -452,29 +451,32 @@ static int ieee80211_stop(struct net_device *dev)
local->fif_fcsfail--;
if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
local->fif_plcpfail--;
- if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL)
+ if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL) {
+ local->fif_pspoll--;
local->fif_control--;
+ }
if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
local->fif_other_bss--;
- netif_addr_lock_bh(local->mdev);
+ spin_lock_bh(&local->filter_lock);
ieee80211_configure_filter(local);
- netif_addr_unlock_bh(local->mdev);
+ spin_unlock_bh(&local->filter_lock);
break;
case NL80211_IFTYPE_STATION:
- memset(sdata->u.mgd.bssid, 0, ETH_ALEN);
del_timer_sync(&sdata->u.mgd.chswitch_timer);
del_timer_sync(&sdata->u.mgd.timer);
+ del_timer_sync(&sdata->u.mgd.conn_mon_timer);
+ del_timer_sync(&sdata->u.mgd.bcn_mon_timer);
/*
- * If the timer fired while we waited for it, it will have
- * requeued the work. Now the work will be running again
+ * If any of the timers fired while we waited for it, it will
+ * have queued its work. Now the work will be running again
* but will not rearm the timer again because it checks
* whether the interface is running, which, at this point,
* it no longer is.
*/
cancel_work_sync(&sdata->u.mgd.work);
cancel_work_sync(&sdata->u.mgd.chswitch_work);
-
+ cancel_work_sync(&sdata->u.mgd.monitor_work);
cancel_work_sync(&sdata->u.mgd.beacon_loss_work);
/*
@@ -485,12 +487,6 @@ static int ieee80211_stop(struct net_device *dev)
*/
synchronize_rcu();
skb_queue_purge(&sdata->u.mgd.skb_queue);
-
- sdata->u.mgd.flags &= ~(IEEE80211_STA_PRIVACY_INVOKED |
- IEEE80211_STA_TKIP_WEP_USED);
- kfree(sdata->u.mgd.extra_ie);
- sdata->u.mgd.extra_ie = NULL;
- sdata->u.mgd.extra_ie_len = 0;
/* fall through */
case NL80211_IFTYPE_ADHOC:
if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
@@ -507,9 +503,9 @@ static int ieee80211_stop(struct net_device *dev)
local->fif_other_bss--;
atomic_dec(&local->iff_allmultis);
- netif_addr_lock_bh(local->mdev);
+ spin_lock_bh(&local->filter_lock);
ieee80211_configure_filter(local);
- netif_addr_unlock_bh(local->mdev);
+ spin_unlock_bh(&local->filter_lock);
ieee80211_stop_mesh(sdata);
}
@@ -536,10 +532,20 @@ static int ieee80211_stop(struct net_device *dev)
* the scan_sdata is NULL already don't send out a
* scan event to userspace -- the scan is incomplete.
*/
- if (local->sw_scanning)
+ if (test_bit(SCAN_SW_SCANNING, &local->scanning))
ieee80211_scan_completed(&local->hw, true);
}
+ /*
+ * Disable beaconing for AP and mesh, IBSS can't
+ * still be joined to a network at this point.
+ */
+ if (sdata->vif.type == NL80211_IFTYPE_AP ||
+ sdata->vif.type == NL80211_IFTYPE_MESH_POINT) {
+ ieee80211_bss_info_change_notify(sdata,
+ BSS_CHANGED_BEACON_ENABLED);
+ }
+
conf.vif = &sdata->vif;
conf.type = sdata->vif.type;
conf.mac_addr = dev->dev_addr;
@@ -555,14 +561,11 @@ static int ieee80211_stop(struct net_device *dev)
ieee80211_recalc_ps(local, -1);
if (local->open_count == 0) {
- if (netif_running(local->mdev))
- dev_close(local->mdev);
-
drv_stop(local);
ieee80211_led_radio(local, false);
- flush_workqueue(local->hw.workqueue);
+ flush_workqueue(local->workqueue);
tasklet_disable(&local->tx_pending_tasklet);
tasklet_disable(&local->tasklet);
@@ -575,6 +578,18 @@ static int ieee80211_stop(struct net_device *dev)
if (hw_reconf_flags)
ieee80211_hw_config(local, hw_reconf_flags);
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
+ skb_queue_walk_safe(&local->pending[i], skb, tmp) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ if (info->control.vif == &sdata->vif) {
+ __skb_unlink(skb, &local->pending[i]);
+ dev_kfree_skb_irq(skb);
+ }
+ }
+ }
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
return 0;
}
@@ -604,8 +619,11 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
atomic_dec(&local->iff_promiscs);
sdata->flags ^= IEEE80211_SDATA_PROMISC;
}
-
- dev_mc_sync(local->mdev, dev);
+ spin_lock_bh(&local->filter_lock);
+ __dev_addr_sync(&local->mc_list, &local->mc_count,
+ &dev->mc_list, &dev->mc_count);
+ ieee80211_configure_filter(local);
+ spin_unlock_bh(&local->filter_lock);
}
/*
@@ -652,11 +670,6 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
kfree_skb(sdata->u.ibss.presp);
break;
case NL80211_IFTYPE_STATION:
- kfree(sdata->u.mgd.extra_ie);
- kfree(sdata->u.mgd.assocreq_ies);
- kfree(sdata->u.mgd.assocresp_ies);
- kfree(sdata->u.mgd.sme_auth_ie);
- break;
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MONITOR:
@@ -695,7 +708,6 @@ static void ieee80211_if_setup(struct net_device *dev)
{
ether_setup(dev);
dev->netdev_ops = &ieee80211_dataif_ops;
- dev->wireless_handlers = &ieee80211_iw_handler_def;
dev->destructor = free_netdev;
}
@@ -798,6 +810,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
name, ieee80211_if_setup);
if (!ndev)
return -ENOMEM;
+ dev_net_set(ndev, wiphy_net(local->hw.wiphy));
ndev->needed_headroom = local->tx_headroom +
4*6 /* four MAC addresses */
@@ -814,7 +827,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
- ndev->features |= NETIF_F_NETNS_LOCAL;
/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
sdata = netdev_priv(ndev);
@@ -931,7 +943,7 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
struct ieee80211_sub_if_data *sdata;
int count = 0;
- if (local->hw_scanning || local->sw_scanning)
+ if (local->scanning)
return ieee80211_idle_off(local, "scanning");
list_for_each_entry(sdata, &local->interfaces, list) {
@@ -939,7 +951,8 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
continue;
/* do not count disabled managed interfaces */
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- sdata->u.mgd.state == IEEE80211_STA_MLME_DISABLED)
+ !sdata->u.mgd.associated &&
+ list_empty(&sdata->u.mgd.work_list))
continue;
/* do not count unused IBSS interfaces */
if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index ce267565e18..659a42d529e 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -67,6 +67,8 @@ static DECLARE_WORK(todo_work, key_todo);
*
* @key: key to add to do item for
* @flag: todo flag(s)
+ *
+ * Must be called with IRQs or softirqs disabled.
*/
static void add_todo(struct ieee80211_key *key, u32 flag)
{
@@ -140,9 +142,9 @@ static void ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
ret = drv_set_key(key->local, SET_KEY, &sdata->vif, sta, &key->conf);
if (!ret) {
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE;
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
}
if (ret && ret != -ENOSPC && ret != -EOPNOTSUPP)
@@ -164,12 +166,12 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
if (!key || !key->local->ops->set_key)
return;
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) {
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
return;
}
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
sta = get_sta_for_key(key);
sdata = key->sdata;
@@ -188,9 +190,9 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
wiphy_name(key->local->hw.wiphy),
key->conf.keyidx, sta ? sta->addr : bcast_addr, ret);
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
}
static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata,
@@ -437,14 +439,14 @@ void ieee80211_key_link(struct ieee80211_key *key,
__ieee80211_key_replace(sdata, sta, old_key, key);
- spin_unlock_irqrestore(&sdata->local->key_lock, flags);
-
/* free old key later */
add_todo(old_key, KEY_FLAG_TODO_DELETE);
add_todo(key, KEY_FLAG_TODO_ADD_DEBUGFS);
if (netif_running(sdata->dev))
add_todo(key, KEY_FLAG_TODO_HWACCEL_ADD);
+
+ spin_unlock_irqrestore(&sdata->local->key_lock, flags);
}
static void __ieee80211_key_free(struct ieee80211_key *key)
@@ -547,7 +549,7 @@ static void __ieee80211_key_todo(void)
*/
synchronize_rcu();
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
while (!list_empty(&todo_list)) {
key = list_first_entry(&todo_list, struct ieee80211_key, todo);
list_del_init(&key->todo);
@@ -558,7 +560,7 @@ static void __ieee80211_key_todo(void)
KEY_FLAG_TODO_HWACCEL_REMOVE |
KEY_FLAG_TODO_DELETE);
key->flags &= ~todoflags;
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
work_done = false;
@@ -591,9 +593,9 @@ static void __ieee80211_key_todo(void)
WARN_ON(!work_done);
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
}
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
}
void ieee80211_key_todo(void)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 092a017b237..0c4f8e122ed 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -77,81 +77,23 @@ void ieee80211_configure_filter(struct ieee80211_local *local)
if (local->fif_other_bss)
new_flags |= FIF_OTHER_BSS;
+ if (local->fif_pspoll)
+ new_flags |= FIF_PSPOLL;
+
changed_flags = local->filter_flags ^ new_flags;
/* be a bit nasty */
new_flags |= (1<<31);
drv_configure_filter(local, changed_flags, &new_flags,
- local->mdev->mc_count,
- local->mdev->mc_list);
+ local->mc_count,
+ local->mc_list);
WARN_ON(new_flags & (1<<31));
local->filter_flags = new_flags & ~(1<<31);
}
-/* master interface */
-
-static int header_parse_80211(const struct sk_buff *skb, unsigned char *haddr)
-{
- memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
- return ETH_ALEN;
-}
-
-static const struct header_ops ieee80211_header_ops = {
- .create = eth_header,
- .parse = header_parse_80211,
- .rebuild = eth_rebuild_header,
- .cache = eth_header_cache,
- .cache_update = eth_header_cache_update,
-};
-
-static int ieee80211_master_open(struct net_device *dev)
-{
- struct ieee80211_master_priv *mpriv = netdev_priv(dev);
- struct ieee80211_local *local = mpriv->local;
- struct ieee80211_sub_if_data *sdata;
- int res = -EOPNOTSUPP;
-
- /* we hold the RTNL here so can safely walk the list */
- list_for_each_entry(sdata, &local->interfaces, list) {
- if (netif_running(sdata->dev)) {
- res = 0;
- break;
- }
- }
-
- if (res)
- return res;
-
- netif_tx_start_all_queues(local->mdev);
-
- return 0;
-}
-
-static int ieee80211_master_stop(struct net_device *dev)
-{
- struct ieee80211_master_priv *mpriv = netdev_priv(dev);
- struct ieee80211_local *local = mpriv->local;
- struct ieee80211_sub_if_data *sdata;
-
- /* we hold the RTNL here so can safely walk the list */
- list_for_each_entry(sdata, &local->interfaces, list)
- if (netif_running(sdata->dev))
- dev_close(sdata->dev);
-
- return 0;
-}
-
-static void ieee80211_master_set_multicast_list(struct net_device *dev)
-{
- struct ieee80211_master_priv *mpriv = netdev_priv(dev);
- struct ieee80211_local *local = mpriv->local;
-
- ieee80211_configure_filter(local);
-}
-
int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
{
struct ieee80211_channel *chan, *scan_chan;
@@ -259,7 +201,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
- if (local->sw_scanning) {
+ if (local->quiescing || !netif_running(sdata->dev) ||
+ test_bit(SCAN_SW_SCANNING, &local->scanning)) {
sdata->vif.bss_conf.enable_beacon = false;
} else {
/*
@@ -310,7 +253,6 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
int tmp;
- skb->dev = local->mdev;
skb->pkt_type = IEEE80211_TX_STATUS_MSG;
skb_queue_tail(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS ?
&local->skb_queue : &local->skb_queue_unreliable, skb);
@@ -330,19 +272,16 @@ static void ieee80211_tasklet_handler(unsigned long data)
{
struct ieee80211_local *local = (struct ieee80211_local *) data;
struct sk_buff *skb;
- struct ieee80211_rx_status rx_status;
struct ieee80211_ra_tid *ra_tid;
while ((skb = skb_dequeue(&local->skb_queue)) ||
(skb = skb_dequeue(&local->skb_queue_unreliable))) {
switch (skb->pkt_type) {
case IEEE80211_RX_MSG:
- /* status is in skb->cb */
- memcpy(&rx_status, skb->cb, sizeof(rx_status));
/* Clear skb->pkt_type in order to not confuse kernel
* netstack. */
skb->pkt_type = 0;
- __ieee80211_rx(local_to_hw(local), skb, &rx_status);
+ ieee80211_rx(local_to_hw(local), skb);
break;
case IEEE80211_TX_STATUS_MSG:
skb->pkt_type = 0;
@@ -375,6 +314,31 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ /*
+ * XXX: This is temporary!
+ *
+ * The problem here is that when we get here, the driver will
+ * quite likely have pretty much overwritten info->control by
+ * using info->driver_data or info->rate_driver_data. Thus,
+ * when passing out the frame to the driver again, we would be
+ * passing completely bogus data since the driver would then
+ * expect a properly filled info->control. In mac80211 itself
+ * the same problem occurs, since we need info->control.vif
+ * internally.
+ *
+ * To fix this, we should send the frame through TX processing
+ * again. However, it's not that simple, since the frame will
+ * have been software-encrypted (if applicable) already, and
+ * encrypting it again doesn't do much good. So to properly do
+ * that, we not only have to skip the actual 'raw' encryption
+ * (key selection etc. still has to be done!) but also the
+ * sequence number assignment since that impacts the crypto
+ * encapsulation, of course.
+ *
+ * Hence, for now, fix the bug by just dropping the frame.
+ */
+ goto drop;
+
sta->tx_filtered_count++;
/*
@@ -428,6 +392,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
return;
}
+ drop:
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit())
printk(KERN_DEBUG "%s: dropped TX filtered frame, "
@@ -685,6 +650,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
if (!wiphy)
return NULL;
+ wiphy->netnsok = true;
wiphy->privid = mac80211_wiphy_privid;
/* Yes, putting cfg80211_bss into ieee80211_bss is a hack */
@@ -719,7 +685,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
mutex_init(&local->scan_mtx);
spin_lock_init(&local->key_lock);
-
+ spin_lock_init(&local->filter_lock);
spin_lock_init(&local->queue_stop_reason_lock);
INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);
@@ -755,30 +721,11 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
}
EXPORT_SYMBOL(ieee80211_alloc_hw);
-static const struct net_device_ops ieee80211_master_ops = {
- .ndo_start_xmit = ieee80211_master_start_xmit,
- .ndo_open = ieee80211_master_open,
- .ndo_stop = ieee80211_master_stop,
- .ndo_set_multicast_list = ieee80211_master_set_multicast_list,
- .ndo_select_queue = ieee80211_select_queue,
-};
-
-static void ieee80211_master_setup(struct net_device *mdev)
-{
- mdev->type = ARPHRD_IEEE80211;
- mdev->netdev_ops = &ieee80211_master_ops;
- mdev->header_ops = &ieee80211_header_ops;
- mdev->tx_queue_len = 1000;
- mdev->addr_len = ETH_ALEN;
-}
-
int ieee80211_register_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
int result;
enum ieee80211_band band;
- struct net_device *mdev;
- struct ieee80211_master_priv *mpriv;
int channels, i, j, max_bitrates;
bool supp_ht;
static const u32 cipher_suites[] = {
@@ -877,19 +824,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (hw->queues > IEEE80211_MAX_QUEUES)
hw->queues = IEEE80211_MAX_QUEUES;
- mdev = alloc_netdev_mq(sizeof(struct ieee80211_master_priv),
- "wmaster%d", ieee80211_master_setup,
- hw->queues);
- if (!mdev)
- goto fail_mdev_alloc;
-
- mpriv = netdev_priv(mdev);
- mpriv->local = local;
- local->mdev = mdev;
-
- local->hw.workqueue =
+ local->workqueue =
create_singlethread_workqueue(wiphy_name(local->hw.wiphy));
- if (!local->hw.workqueue) {
+ if (!local->workqueue) {
result = -ENOMEM;
goto fail_workqueue;
}
@@ -921,17 +858,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
}
rtnl_lock();
- result = dev_alloc_name(local->mdev, local->mdev->name);
- if (result < 0)
- goto fail_dev;
-
- memcpy(local->mdev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
- SET_NETDEV_DEV(local->mdev, wiphy_dev(local->hw.wiphy));
- local->mdev->features |= NETIF_F_NETNS_LOCAL;
-
- result = register_netdevice(local->mdev);
- if (result < 0)
- goto fail_dev;
result = ieee80211_init_rate_ctrl_alg(local,
hw->rate_control_algorithm);
@@ -984,20 +910,14 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
ieee80211_led_exit(local);
ieee80211_remove_interfaces(local);
fail_rate:
- unregister_netdevice(local->mdev);
- local->mdev = NULL;
- fail_dev:
rtnl_unlock();
ieee80211_wep_free(local);
fail_wep:
sta_info_stop(local);
fail_sta_info:
debugfs_hw_del(local);
- destroy_workqueue(local->hw.workqueue);
+ destroy_workqueue(local->workqueue);
fail_workqueue:
- if (local->mdev)
- free_netdev(local->mdev);
- fail_mdev_alloc:
wiphy_unregister(local->hw.wiphy);
fail_wiphy_register:
kfree(local->int_scan_req.channels);
@@ -1022,13 +942,8 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
* because the driver cannot be handing us frames any
* more and the tasklet is killed.
*/
-
- /* First, we remove all virtual interfaces. */
ieee80211_remove_interfaces(local);
- /* then, finally, remove the master interface */
- unregister_netdevice(local->mdev);
-
rtnl_unlock();
ieee80211_clear_tx_pending(local);
@@ -1043,11 +958,10 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
skb_queue_purge(&local->skb_queue);
skb_queue_purge(&local->skb_queue_unreliable);
- destroy_workqueue(local->hw.workqueue);
+ destroy_workqueue(local->workqueue);
wiphy_unregister(local->hw.wiphy);
ieee80211_wep_free(local);
ieee80211_led_exit(local);
- free_netdev(local->mdev);
kfree(local->int_scan_req.channels);
}
EXPORT_SYMBOL(ieee80211_unregister_hw);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 11cf45bce38..2f4f518ab45 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -54,7 +54,7 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data)
return;
}
- queue_work(local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(local->hw.workqueue, &ifmsh->work);
}
/**
@@ -357,7 +357,7 @@ static void ieee80211_mesh_path_timer(unsigned long data)
return;
}
- queue_work(local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(local->hw.workqueue, &ifmsh->work);
}
struct mesh_table *mesh_table_grow(struct mesh_table *tbl)
@@ -471,7 +471,7 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
ifmsh->housekeeping = true;
- queue_work(local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(local->hw.workqueue, &ifmsh->work);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED);
}
@@ -568,7 +568,7 @@ static void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ifmsh = &sdata->u.mesh;
- rx_status = (struct ieee80211_rx_status *) skb->cb;
+ rx_status = IEEE80211_SKB_RXCB(skb);
mgmt = (struct ieee80211_mgmt *) skb->data;
stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
@@ -597,7 +597,7 @@ static void ieee80211_mesh_work(struct work_struct *work)
if (!netif_running(sdata->dev))
return;
- if (local->sw_scanning || local->hw_scanning)
+ if (local->scanning)
return;
while ((skb = skb_dequeue(&ifmsh->skb_queue)))
@@ -619,7 +619,7 @@ void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local)
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list)
if (ieee80211_vif_is_mesh(&sdata->vif))
- queue_work(local->hw.workqueue, &sdata->u.mesh.work);
+ ieee80211_queue_work(local->hw.workqueue, &sdata->u.mesh.work);
rcu_read_unlock();
}
@@ -671,8 +671,7 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
}
ieee80211_rx_result
-ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status)
+ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
@@ -686,12 +685,14 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
fc = le16_to_cpu(mgmt->frame_control);
switch (fc & IEEE80211_FCTL_STYPE) {
+ case IEEE80211_STYPE_ACTION:
+ if (skb->len < IEEE80211_MIN_ACTION_SIZE)
+ return RX_DROP_MONITOR;
+ /* fall through */
case IEEE80211_STYPE_PROBE_RESP:
case IEEE80211_STYPE_BEACON:
- case IEEE80211_STYPE_ACTION:
- memcpy(skb->cb, rx_status, sizeof(*rx_status));
skb_queue_tail(&ifmsh->skb_queue, skb);
- queue_work(local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(local->hw.workqueue, &ifmsh->work);
return RX_QUEUED;
}
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index c7d72819cdd..2a2ed182cb7 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -208,8 +208,7 @@ void ieee80211s_init(void);
void ieee80211s_stop(void);
void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata);
ieee80211_rx_result
-ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
+ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);
void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index f49ef288e2e..11ab71a68ff 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -660,14 +660,14 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
spin_unlock(&ifmsh->mesh_preq_queue_lock);
if (time_after(jiffies, ifmsh->last_preq + min_preq_int_jiff(sdata)))
- queue_work(sdata->local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(sdata->local->hw.workqueue, &ifmsh->work);
else if (time_before(jiffies, ifmsh->last_preq)) {
/* avoid long wait if did not send preqs for a long time
* and jiffies wrapped around
*/
ifmsh->last_preq = jiffies - min_preq_int_jiff(sdata) - 1;
- queue_work(sdata->local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(sdata->local->hw.workqueue, &ifmsh->work);
} else
mod_timer(&ifmsh->mesh_path_timer, ifmsh->last_preq +
min_preq_int_jiff(sdata));
@@ -686,11 +686,11 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
u8 ttl, dst_flags;
u32 lifetime;
- spin_lock(&ifmsh->mesh_preq_queue_lock);
+ spin_lock_bh(&ifmsh->mesh_preq_queue_lock);
if (!ifmsh->preq_queue_len ||
time_before(jiffies, ifmsh->last_preq +
min_preq_int_jiff(sdata))) {
- spin_unlock(&ifmsh->mesh_preq_queue_lock);
+ spin_unlock_bh(&ifmsh->mesh_preq_queue_lock);
return;
}
@@ -698,7 +698,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
struct mesh_preq_queue, list);
list_del(&preq_node->list);
--ifmsh->preq_queue_len;
- spin_unlock(&ifmsh->mesh_preq_queue_lock);
+ spin_unlock_bh(&ifmsh->mesh_preq_queue_lock);
rcu_read_lock();
mpath = mesh_path_lookup(preq_node->dst, sdata);
@@ -784,7 +784,6 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
mesh_path_add(dst_addr, sdata);
mpath = mesh_path_lookup(dst_addr, sdata);
if (!mpath) {
- dev_kfree_skb(skb);
sdata->u.mesh.mshstats.dropped_frames_no_route++;
err = -ENOSPC;
goto endlookup;
@@ -804,6 +803,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
memcpy(hdr->addr1, mpath->next_hop->sta.addr,
ETH_ALEN);
} else {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if (!(mpath->flags & MESH_PATH_RESOLVING)) {
/* Start discovery only if it is not running yet */
mesh_queue_preq(mpath, PREQ_Q_F_START);
@@ -815,6 +815,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
skb_unlink(skb_to_free, &mpath->frame_queue);
}
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
skb_queue_tail(&mpath->frame_queue, skb);
if (skb_to_free)
mesh_path_discard_frame(skb_to_free, sdata);
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 479597e8858..04b9e4d61b8 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -55,7 +55,25 @@ static DEFINE_RWLOCK(pathtbl_resize_lock);
*/
void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta)
{
+ struct sk_buff *skb;
+ struct ieee80211_hdr *hdr;
+ struct sk_buff_head tmpq;
+ unsigned long flags;
+
rcu_assign_pointer(mpath->next_hop, sta);
+
+ __skb_queue_head_init(&tmpq);
+
+ spin_lock_irqsave(&mpath->frame_queue.lock, flags);
+
+ while ((skb = __skb_dequeue(&mpath->frame_queue)) != NULL) {
+ hdr = (struct ieee80211_hdr *) skb->data;
+ memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN);
+ __skb_queue_tail(&tmpq, skb);
+ }
+
+ skb_queue_splice(&tmpq, &mpath->frame_queue);
+ spin_unlock_irqrestore(&mpath->frame_queue.lock, flags);
}
@@ -481,11 +499,9 @@ enddel:
*/
void mesh_path_tx_pending(struct mesh_path *mpath)
{
- struct sk_buff *skb;
-
- while ((skb = skb_dequeue(&mpath->frame_queue)) &&
- (mpath->flags & MESH_PATH_ACTIVE))
- dev_queue_xmit(skb);
+ if (mpath->flags & MESH_PATH_ACTIVE)
+ ieee80211_add_pending_skbs(mpath->sdata->local,
+ &mpath->frame_queue);
}
/**
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 07e7e41816b..6d5a1ee0445 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -27,43 +27,99 @@
#include "rate.h"
#include "led.h"
-#define IEEE80211_ASSOC_SCANS_MAX_TRIES 2
#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
#define IEEE80211_AUTH_MAX_TRIES 3
#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
#define IEEE80211_ASSOC_MAX_TRIES 3
-#define IEEE80211_MONITORING_INTERVAL (2 * HZ)
-#define IEEE80211_PROBE_WAIT (HZ / 5)
-#define IEEE80211_PROBE_IDLE_TIME (60 * HZ)
-#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
+#define IEEE80211_MAX_PROBE_TRIES 5
+
+/*
+ * beacon loss detection timeout
+ * XXX: should depend on beacon interval
+ */
+#define IEEE80211_BEACON_LOSS_TIME (2 * HZ)
+/*
+ * Time the connection can be idle before we probe
+ * it to see if we can still talk to the AP.
+ */
+#define IEEE80211_CONNECTION_IDLE_TIME (30 * HZ)
+/*
+ * Time we wait for a probe response after sending
+ * a probe request because of beacon loss or for
+ * checking the connection still works.
+ */
+#define IEEE80211_PROBE_WAIT (HZ / 2)
#define TMR_RUNNING_TIMER 0
#define TMR_RUNNING_CHANSW 1
+/*
+ * All cfg80211 functions have to be called outside a locked
+ * section so that they can acquire a lock themselves... This
+ * is much simpler than queuing up things in cfg80211, but we
+ * do need some indirection for that here.
+ */
+enum rx_mgmt_action {
+ /* no action required */
+ RX_MGMT_NONE,
+
+ /* caller must call cfg80211_send_rx_auth() */
+ RX_MGMT_CFG80211_AUTH,
+
+ /* caller must call cfg80211_send_rx_assoc() */
+ RX_MGMT_CFG80211_ASSOC,
+
+ /* caller must call cfg80211_send_deauth() */
+ RX_MGMT_CFG80211_DEAUTH,
+
+ /* caller must call cfg80211_send_disassoc() */
+ RX_MGMT_CFG80211_DISASSOC,
+
+ /* caller must call cfg80211_auth_timeout() & free work */
+ RX_MGMT_CFG80211_AUTH_TO,
+
+ /* caller must call cfg80211_assoc_timeout() & free work */
+ RX_MGMT_CFG80211_ASSOC_TO,
+};
+
/* utils */
-static int ecw2cw(int ecw)
+static inline void ASSERT_MGD_MTX(struct ieee80211_if_managed *ifmgd)
{
- return (1 << ecw) - 1;
+ WARN_ON(!mutex_is_locked(&ifmgd->mtx));
}
-static u8 *ieee80211_bss_get_ie(struct ieee80211_bss *bss, u8 ie)
+/*
+ * We can have multiple work items (and connection probing)
+ * scheduling this timer, but we need to take care to only
+ * reschedule it when it should fire _earlier_ than it was
+ * asked for before, or if it's not pending right now. This
+ * function ensures that. Note that it then is required to
+ * run this function for all timeouts after the first one
+ * has happened -- the work that runs from this timer will
+ * do that.
+ */
+static void run_again(struct ieee80211_if_managed *ifmgd,
+ unsigned long timeout)
{
- u8 *end, *pos;
+ ASSERT_MGD_MTX(ifmgd);
- pos = bss->cbss.information_elements;
- if (pos == NULL)
- return NULL;
- end = pos + bss->cbss.len_information_elements;
+ if (!timer_pending(&ifmgd->timer) ||
+ time_before(timeout, ifmgd->timer.expires))
+ mod_timer(&ifmgd->timer, timeout);
+}
- while (pos + 1 < end) {
- if (pos + 2 + pos[1] > end)
- break;
- if (pos[0] == ie)
- return pos;
- pos += 2 + pos[1];
- }
+static void mod_beacon_timer(struct ieee80211_sub_if_data *sdata)
+{
+ if (sdata->local->hw.flags & IEEE80211_HW_BEACON_FILTER)
+ return;
- return NULL;
+ mod_timer(&sdata->u.mgd.bcn_mon_timer,
+ round_jiffies_up(jiffies + IEEE80211_BEACON_LOSS_TIME));
+}
+
+static int ecw2cw(int ecw)
+{
+ return (1 << ecw) - 1;
}
static int ieee80211_compatible_rates(struct ieee80211_bss *bss,
@@ -94,11 +150,10 @@ static int ieee80211_compatible_rates(struct ieee80211_bss *bss,
*/
static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
struct ieee80211_ht_info *hti,
- u16 ap_ht_cap_flags)
+ const u8 *bssid, u16 ap_ht_cap_flags)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct sta_info *sta;
u32 changed = 0;
u16 ht_opmode;
@@ -147,12 +202,10 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
ieee80211_hw_config(local, 0);
rcu_read_lock();
-
- sta = sta_info_get(local, ifmgd->bssid);
+ sta = sta_info_get(local, bssid);
if (sta)
rate_control_rate_update(local, sband, sta,
IEEE80211_RC_HT_CHANGED);
-
rcu_read_unlock();
}
@@ -175,23 +228,24 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
/* frame sending functions */
-static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
+static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *ies, *ht_ie;
+ u8 *pos;
+ const u8 *ies, *ht_ie;
int i, len, count, rates_len, supp_rates_len;
u16 capab;
- struct ieee80211_bss *bss;
int wmm = 0;
struct ieee80211_supported_band *sband;
u32 rates = 0;
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
- sizeof(*mgmt) + 200 + ifmgd->extra_ie_len +
- ifmgd->ssid_len);
+ sizeof(*mgmt) + 200 + wk->ie_len +
+ wk->ssid_len);
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for assoc "
"frame\n", sdata->dev->name);
@@ -210,45 +264,35 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
}
- bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
- local->hw.conf.channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
- if (bss) {
- if (bss->cbss.capability & WLAN_CAPABILITY_PRIVACY)
- capab |= WLAN_CAPABILITY_PRIVACY;
- if (bss->wmm_used)
- wmm = 1;
+ if (wk->bss->cbss.capability & WLAN_CAPABILITY_PRIVACY)
+ capab |= WLAN_CAPABILITY_PRIVACY;
+ if (wk->bss->wmm_used)
+ wmm = 1;
- /* get all rates supported by the device and the AP as
- * some APs don't like getting a superset of their rates
- * in the association request (e.g. D-Link DAP 1353 in
- * b-only mode) */
- rates_len = ieee80211_compatible_rates(bss, sband, &rates);
+ /* get all rates supported by the device and the AP as
+ * some APs don't like getting a superset of their rates
+ * in the association request (e.g. D-Link DAP 1353 in
+ * b-only mode) */
+ rates_len = ieee80211_compatible_rates(wk->bss, sband, &rates);
- if ((bss->cbss.capability & WLAN_CAPABILITY_SPECTRUM_MGMT) &&
- (local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT))
- capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
-
- ieee80211_rx_bss_put(local, bss);
- } else {
- rates = ~0;
- rates_len = sband->n_bitrates;
- }
+ if ((wk->bss->cbss.capability & WLAN_CAPABILITY_SPECTRUM_MGMT) &&
+ (local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT))
+ capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
memset(mgmt, 0, 24);
- memcpy(mgmt->da, ifmgd->bssid, ETH_ALEN);
+ memcpy(mgmt->da, wk->bss->cbss.bssid, ETH_ALEN);
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifmgd->bssid, ETH_ALEN);
+ memcpy(mgmt->bssid, wk->bss->cbss.bssid, ETH_ALEN);
- if (ifmgd->flags & IEEE80211_STA_PREV_BSSID_SET) {
+ if (!is_zero_ether_addr(wk->prev_bssid)) {
skb_put(skb, 10);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_REASSOC_REQ);
mgmt->u.reassoc_req.capab_info = cpu_to_le16(capab);
mgmt->u.reassoc_req.listen_interval =
cpu_to_le16(local->hw.conf.listen_interval);
- memcpy(mgmt->u.reassoc_req.current_ap, ifmgd->prev_bssid,
+ memcpy(mgmt->u.reassoc_req.current_ap, wk->prev_bssid,
ETH_ALEN);
} else {
skb_put(skb, 4);
@@ -260,10 +304,10 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
}
/* SSID */
- ies = pos = skb_put(skb, 2 + ifmgd->ssid_len);
+ ies = pos = skb_put(skb, 2 + wk->ssid_len);
*pos++ = WLAN_EID_SSID;
- *pos++ = ifmgd->ssid_len;
- memcpy(pos, ifmgd->ssid, ifmgd->ssid_len);
+ *pos++ = wk->ssid_len;
+ memcpy(pos, wk->ssid, wk->ssid_len);
/* add all rates which were marked to be used above */
supp_rates_len = rates_len;
@@ -318,9 +362,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
}
}
- if (ifmgd->extra_ie) {
- pos = skb_put(skb, ifmgd->extra_ie_len);
- memcpy(pos, ifmgd->extra_ie, ifmgd->extra_ie_len);
+ if (wk->ie_len && wk->ie) {
+ pos = skb_put(skb, wk->ie_len);
+ memcpy(pos, wk->ie, wk->ie_len);
}
if (wmm && (ifmgd->flags & IEEE80211_STA_WMM_ENABLED)) {
@@ -345,9 +389,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
*/
if (wmm && (ifmgd->flags & IEEE80211_STA_WMM_ENABLED) &&
sband->ht_cap.ht_supported &&
- (ht_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_INFORMATION)) &&
+ (ht_ie = ieee80211_bss_get_ie(&wk->bss->cbss, WLAN_EID_HT_INFORMATION)) &&
ht_ie[1] >= sizeof(struct ieee80211_ht_info) &&
- (!(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))) {
+ (!(ifmgd->flags & IEEE80211_STA_DISABLE_11N))) {
struct ieee80211_ht_info *ht_info =
(struct ieee80211_ht_info *)(ht_ie + 2);
u16 cap = sband->ht_cap.cap;
@@ -382,18 +426,13 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
}
- kfree(ifmgd->assocreq_ies);
- ifmgd->assocreq_ies_len = (skb->data + skb->len) - ies;
- ifmgd->assocreq_ies = kmalloc(ifmgd->assocreq_ies_len, GFP_KERNEL);
- if (ifmgd->assocreq_ies)
- memcpy(ifmgd->assocreq_ies, ies, ifmgd->assocreq_ies_len);
-
ieee80211_tx_skb(sdata, skb, 0);
}
static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
- u16 stype, u16 reason)
+ const u8 *bssid, u16 stype, u16 reason,
+ void *cookie)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -410,18 +449,18 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
memset(mgmt, 0, 24);
- memcpy(mgmt->da, ifmgd->bssid, ETH_ALEN);
+ memcpy(mgmt->da, bssid, ETH_ALEN);
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifmgd->bssid, ETH_ALEN);
+ memcpy(mgmt->bssid, bssid, ETH_ALEN);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype);
skb_put(skb, 2);
/* u.deauth.reason_code == u.disassoc.reason_code */
mgmt->u.deauth.reason_code = cpu_to_le16(reason);
if (stype == IEEE80211_STYPE_DEAUTH)
- cfg80211_send_deauth(sdata->dev, (u8 *) mgmt, skb->len);
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len, cookie);
else
- cfg80211_send_disassoc(sdata->dev, (u8 *) mgmt, skb->len);
+ cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len, cookie);
ieee80211_tx_skb(sdata, skb, ifmgd->flags & IEEE80211_STA_MFP_ENABLED);
}
@@ -494,28 +533,26 @@ static void ieee80211_chswitch_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
container_of(work, struct ieee80211_sub_if_data, u.mgd.chswitch_work);
- struct ieee80211_bss *bss;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
if (!netif_running(sdata->dev))
return;
- bss = ieee80211_rx_bss_get(sdata->local, ifmgd->bssid,
- sdata->local->hw.conf.channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
- if (!bss)
- goto exit;
+ mutex_lock(&ifmgd->mtx);
+ if (!ifmgd->associated)
+ goto out;
sdata->local->oper_channel = sdata->local->csa_channel;
+ ieee80211_hw_config(sdata->local, IEEE80211_CONF_CHANGE_CHANNEL);
+
/* XXX: shouldn't really modify cfg80211-owned data! */
- if (!ieee80211_hw_config(sdata->local, IEEE80211_CONF_CHANGE_CHANNEL))
- bss->cbss.channel = sdata->local->oper_channel;
+ ifmgd->associated->cbss.channel = sdata->local->oper_channel;
- ieee80211_rx_bss_put(sdata->local, bss);
-exit:
- ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
+ out:
+ ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
+ mutex_unlock(&ifmgd->mtx);
}
static void ieee80211_chswitch_timer(unsigned long data)
@@ -529,7 +566,7 @@ static void ieee80211_chswitch_timer(unsigned long data)
return;
}
- queue_work(sdata->local->hw.workqueue, &ifmgd->chswitch_work);
+ ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
}
void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
@@ -540,10 +577,12 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num);
- if (ifmgd->state != IEEE80211_STA_MLME_ASSOCIATED)
+ ASSERT_MGD_MTX(ifmgd);
+
+ if (!ifmgd->associated)
return;
- if (sdata->local->sw_scanning || sdata->local->hw_scanning)
+ if (sdata->local->scanning)
return;
/* Disregard subsequent beacons if we are already running a timer
@@ -559,7 +598,7 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sdata->local->csa_channel = new_ch;
if (sw_elem->count <= 1) {
- queue_work(sdata->local->hw.workqueue, &ifmgd->chswitch_work);
+ ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
} else {
ieee80211_stop_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
@@ -601,7 +640,7 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
* If we are scanning right now then the parameters will
* take effect when scan finishes.
*/
- if (local->hw_scanning || local->sw_scanning)
+ if (local->scanning)
return;
if (conf->dynamic_ps_timeout > 0 &&
@@ -651,8 +690,9 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
}
if (count == 1 && found->u.mgd.powersave &&
- (found->u.mgd.flags & IEEE80211_STA_ASSOCIATED) &&
- !(found->u.mgd.flags & IEEE80211_STA_PROBEREQ_POLL)) {
+ found->u.mgd.associated && list_empty(&found->u.mgd.work_list) &&
+ !(found->u.mgd.flags & (IEEE80211_STA_BEACON_POLL |
+ IEEE80211_STA_CONNECTION_POLL))) {
s32 beaconint_us;
if (latency < 0)
@@ -724,7 +764,7 @@ void ieee80211_dynamic_ps_timer(unsigned long data)
if (local->quiescing || local->suspended)
return;
- queue_work(local->hw.workqueue, &local->dynamic_ps_enable_work);
+ ieee80211_queue_work(&local->hw, &local->dynamic_ps_enable_work);
}
/* MLME */
@@ -806,9 +846,6 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
u16 capab, bool erp_valid, u8 erp)
{
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
-#endif
u32 changed = 0;
bool use_protection;
bool use_short_preamble;
@@ -825,42 +862,16 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
if (use_protection != bss_conf->use_cts_prot) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: CTS protection %s (BSSID=%pM)\n",
- sdata->dev->name,
- use_protection ? "enabled" : "disabled",
- ifmgd->bssid);
- }
-#endif
bss_conf->use_cts_prot = use_protection;
changed |= BSS_CHANGED_ERP_CTS_PROT;
}
if (use_short_preamble != bss_conf->use_short_preamble) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: switched to %s barker preamble"
- " (BSSID=%pM)\n",
- sdata->dev->name,
- use_short_preamble ? "short" : "long",
- ifmgd->bssid);
- }
-#endif
bss_conf->use_short_preamble = use_short_preamble;
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
if (use_short_slot != bss_conf->use_short_slot) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: switched to %s slot time"
- " (BSSID=%pM)\n",
- sdata->dev->name,
- use_short_slot ? "short" : "long",
- ifmgd->bssid);
- }
-#endif
bss_conf->use_short_slot = use_short_slot;
changed |= BSS_CHANGED_ERP_SLOT;
}
@@ -868,105 +879,29 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
return changed;
}
-static void ieee80211_sta_send_apinfo(struct ieee80211_sub_if_data *sdata)
-{
- union iwreq_data wrqu;
-
- memset(&wrqu, 0, sizeof(wrqu));
- if (sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED)
- memcpy(wrqu.ap_addr.sa_data, sdata->u.mgd.bssid, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(sdata->dev, SIOCGIWAP, &wrqu, NULL);
-}
-
-static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- char *buf;
- size_t len;
- int i;
- union iwreq_data wrqu;
-
- if (!ifmgd->assocreq_ies && !ifmgd->assocresp_ies)
- return;
-
- buf = kmalloc(50 + 2 * (ifmgd->assocreq_ies_len +
- ifmgd->assocresp_ies_len), GFP_KERNEL);
- if (!buf)
- return;
-
- len = sprintf(buf, "ASSOCINFO(");
- if (ifmgd->assocreq_ies) {
- len += sprintf(buf + len, "ReqIEs=");
- for (i = 0; i < ifmgd->assocreq_ies_len; i++) {
- len += sprintf(buf + len, "%02x",
- ifmgd->assocreq_ies[i]);
- }
- }
- if (ifmgd->assocresp_ies) {
- if (ifmgd->assocreq_ies)
- len += sprintf(buf + len, " ");
- len += sprintf(buf + len, "RespIEs=");
- for (i = 0; i < ifmgd->assocresp_ies_len; i++) {
- len += sprintf(buf + len, "%02x",
- ifmgd->assocresp_ies[i]);
- }
- }
- len += sprintf(buf + len, ")");
-
- if (len > IW_CUSTOM_MAX) {
- len = sprintf(buf, "ASSOCRESPIE=");
- for (i = 0; i < ifmgd->assocresp_ies_len; i++) {
- len += sprintf(buf + len, "%02x",
- ifmgd->assocresp_ies[i]);
- }
- }
-
- if (len <= IW_CUSTOM_MAX) {
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = len;
- wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf);
- }
-
- kfree(buf);
-}
-
-
static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_bss *bss,
u32 bss_info_changed)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
- struct ieee80211_conf *conf = &local_to_hw(local)->conf;
-
- struct ieee80211_bss *bss;
bss_info_changed |= BSS_CHANGED_ASSOC;
- ifmgd->flags |= IEEE80211_STA_ASSOCIATED;
+ /* set timing information */
+ sdata->vif.bss_conf.beacon_int = bss->cbss.beacon_interval;
+ sdata->vif.bss_conf.timestamp = bss->cbss.tsf;
+ sdata->vif.bss_conf.dtim_period = bss->dtim_period;
- bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
- conf->channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
- if (bss) {
- /* set timing information */
- sdata->vif.bss_conf.beacon_int = bss->cbss.beacon_interval;
- sdata->vif.bss_conf.timestamp = bss->cbss.tsf;
- sdata->vif.bss_conf.dtim_period = bss->dtim_period;
+ bss_info_changed |= BSS_CHANGED_BEACON_INT;
+ bss_info_changed |= ieee80211_handle_bss_capability(sdata,
+ bss->cbss.capability, bss->has_erp_value, bss->erp_value);
- bss_info_changed |= BSS_CHANGED_BEACON_INT;
- bss_info_changed |= ieee80211_handle_bss_capability(sdata,
- bss->cbss.capability, bss->has_erp_value, bss->erp_value);
+ sdata->u.mgd.associated = bss;
+ memcpy(sdata->u.mgd.bssid, bss->cbss.bssid, ETH_ALEN);
- cfg80211_hold_bss(&bss->cbss);
+ /* just to be sure */
+ sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+ IEEE80211_STA_BEACON_POLL);
- ieee80211_rx_bss_put(local, bss);
- }
-
- ifmgd->flags |= IEEE80211_STA_PREV_BSSID_SET;
- memcpy(ifmgd->prev_bssid, sdata->u.mgd.bssid, ETH_ALEN);
- ieee80211_sta_send_associnfo(sdata);
-
- ifmgd->last_probe = jiffies;
ieee80211_led_assoc(local, 1);
sdata->vif.bss_conf.assoc = 1;
@@ -982,176 +917,146 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ieee80211_bss_info_change_notify(sdata, bss_info_changed);
- /* will be same as sdata */
- if (local->ps_sdata) {
- mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, -1);
- mutex_unlock(&local->iflist_mtx);
- }
+ mutex_lock(&local->iflist_mtx);
+ ieee80211_recalc_ps(local, -1);
+ mutex_unlock(&local->iflist_mtx);
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
-
- ieee80211_sta_send_apinfo(sdata);
}
-static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata)
+static enum rx_mgmt_action __must_check
+ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
- ifmgd->direct_probe_tries++;
- if (ifmgd->direct_probe_tries > IEEE80211_AUTH_MAX_TRIES) {
+ wk->tries++;
+ if (wk->tries > IEEE80211_AUTH_MAX_TRIES) {
printk(KERN_DEBUG "%s: direct probe to AP %pM timed out\n",
- sdata->dev->name, ifmgd->bssid);
- ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_recalc_idle(local);
- cfg80211_send_auth_timeout(sdata->dev, ifmgd->bssid);
+ sdata->dev->name, wk->bss->cbss.bssid);
/*
* Most likely AP is not in the range so remove the
- * bss information associated to the AP
+ * bss struct for that AP.
*/
- ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
- sdata->local->hw.conf.channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
+ cfg80211_unlink_bss(local->hw.wiphy, &wk->bss->cbss);
/*
* We might have a pending scan which had no chance to run yet
- * due to state == IEEE80211_STA_MLME_DIRECT_PROBE.
- * Hence, queue the STAs work again
+ * due to work needing to be done. Hence, queue the STAs work
+ * again for that.
*/
- queue_work(local->hw.workqueue, &ifmgd->work);
- return;
+ ieee80211_queue_work(&local->hw, &ifmgd->work);
+ return RX_MGMT_CFG80211_AUTH_TO;
}
- printk(KERN_DEBUG "%s: direct probe to AP %pM try %d\n",
- sdata->dev->name, ifmgd->bssid,
- ifmgd->direct_probe_tries);
-
- ifmgd->state = IEEE80211_STA_MLME_DIRECT_PROBE;
+ printk(KERN_DEBUG "%s: direct probe to AP %pM (try %d)\n",
+ sdata->dev->name, wk->bss->cbss.bssid,
+ wk->tries);
- /* Direct probe is sent to broadcast address as some APs
+ /*
+ * Direct probe is sent to broadcast address as some APs
* will not answer to direct packet in unassociated state.
*/
- ieee80211_send_probe_req(sdata, NULL,
- ifmgd->ssid, ifmgd->ssid_len, NULL, 0);
+ ieee80211_send_probe_req(sdata, NULL, wk->ssid, wk->ssid_len, NULL, 0);
+
+ wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
+ run_again(ifmgd, wk->timeout);
- mod_timer(&ifmgd->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
+ return RX_MGMT_NONE;
}
-static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata)
+static enum rx_mgmt_action __must_check
+ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
- u8 *ies;
- size_t ies_len;
- ifmgd->auth_tries++;
- if (ifmgd->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
+ wk->tries++;
+ if (wk->tries > IEEE80211_AUTH_MAX_TRIES) {
printk(KERN_DEBUG "%s: authentication with AP %pM"
" timed out\n",
- sdata->dev->name, ifmgd->bssid);
- ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_recalc_idle(local);
- cfg80211_send_auth_timeout(sdata->dev, ifmgd->bssid);
- ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
- sdata->local->hw.conf.channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
+ sdata->dev->name, wk->bss->cbss.bssid);
+
+ /*
+ * Most likely AP is not in the range so remove the
+ * bss struct for that AP.
+ */
+ cfg80211_unlink_bss(local->hw.wiphy, &wk->bss->cbss);
/*
* We might have a pending scan which had no chance to run yet
- * due to state == IEEE80211_STA_MLME_AUTHENTICATE.
- * Hence, queue the STAs work again
+ * due to work needing to be done. Hence, queue the STAs work
+ * again for that.
*/
- queue_work(local->hw.workqueue, &ifmgd->work);
- return;
+ ieee80211_queue_work(&local->hw, &ifmgd->work);
+ return RX_MGMT_CFG80211_AUTH_TO;
}
- ifmgd->state = IEEE80211_STA_MLME_AUTHENTICATE;
- printk(KERN_DEBUG "%s: authenticate with AP %pM\n",
- sdata->dev->name, ifmgd->bssid);
+ printk(KERN_DEBUG "%s: authenticate with AP %pM (try %d)\n",
+ sdata->dev->name, wk->bss->cbss.bssid, wk->tries);
- if (ifmgd->flags & IEEE80211_STA_EXT_SME) {
- ies = ifmgd->sme_auth_ie;
- ies_len = ifmgd->sme_auth_ie_len;
- } else {
- ies = NULL;
- ies_len = 0;
- }
- ieee80211_send_auth(sdata, 1, ifmgd->auth_alg, ies, ies_len,
- ifmgd->bssid, 0);
- ifmgd->auth_transaction = 2;
+ ieee80211_send_auth(sdata, 1, wk->auth_alg, wk->ie, wk->ie_len,
+ wk->bss->cbss.bssid, NULL, 0, 0);
+ wk->auth_transaction = 2;
- mod_timer(&ifmgd->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
+ wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
+ run_again(ifmgd, wk->timeout);
+
+ return RX_MGMT_NONE;
}
-/*
- * The disassoc 'reason' argument can be either our own reason
- * if self disconnected or a reason code from the AP.
- */
-static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
- bool deauth, bool self_disconnected,
- u16 reason)
+static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
- struct ieee80211_conf *conf = &local_to_hw(local)->conf;
- struct ieee80211_bss *bss;
struct sta_info *sta;
u32 changed = 0, config_changed = 0;
+ u8 bssid[ETH_ALEN];
- if (deauth) {
- ifmgd->direct_probe_tries = 0;
- ifmgd->auth_tries = 0;
- }
- ifmgd->assoc_scan_tries = 0;
- ifmgd->assoc_tries = 0;
+ ASSERT_MGD_MTX(ifmgd);
+
+ if (WARN_ON(!ifmgd->associated))
+ return;
+
+ memcpy(bssid, ifmgd->associated->cbss.bssid, ETH_ALEN);
+
+ ifmgd->associated = NULL;
+ memset(ifmgd->bssid, 0, ETH_ALEN);
+
+ /*
+ * we need to commit the associated = NULL change because the
+ * scan code uses that to determine whether this iface should
+ * go to/wake up from powersave or not -- and could otherwise
+ * wake the queues erroneously.
+ */
+ smp_mb();
+
+ /*
+ * Thus, we can only afterwards stop the queues -- to account
+ * for the case where another CPU is finishing a scan at this
+ * time -- we don't want the scan code to enable queues.
+ */
netif_tx_stop_all_queues(sdata->dev);
netif_carrier_off(sdata->dev);
rcu_read_lock();
- sta = sta_info_get(local, ifmgd->bssid);
+ sta = sta_info_get(local, bssid);
if (sta)
ieee80211_sta_tear_down_BA_sessions(sta);
rcu_read_unlock();
- bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
- conf->channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
-
- if (bss) {
- cfg80211_unhold_bss(&bss->cbss);
- ieee80211_rx_bss_put(local, bss);
- }
-
- if (self_disconnected) {
- if (deauth)
- ieee80211_send_deauth_disassoc(sdata,
- IEEE80211_STYPE_DEAUTH, reason);
- else
- ieee80211_send_deauth_disassoc(sdata,
- IEEE80211_STYPE_DISASSOC, reason);
- }
-
- ifmgd->flags &= ~IEEE80211_STA_ASSOCIATED;
changed |= ieee80211_reset_erp_info(sdata);
ieee80211_led_assoc(local, 0);
changed |= BSS_CHANGED_ASSOC;
sdata->vif.bss_conf.assoc = false;
- ieee80211_sta_send_apinfo(sdata);
-
- if (self_disconnected || reason == WLAN_REASON_DISASSOC_STA_HAS_LEFT) {
- ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
- sdata->local->hw.conf.channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
- }
-
ieee80211_set_wmm_default(sdata);
ieee80211_recalc_idle(local);
@@ -1180,7 +1085,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
- sta = sta_info_get(local, ifmgd->bssid);
+ sta = sta_info_get(local, bssid);
if (!sta) {
rcu_read_unlock();
return;
@@ -1193,83 +1098,42 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
sta_info_destroy(sta);
}
-static int ieee80211_sta_wep_configured(struct ieee80211_sub_if_data *sdata)
-{
- if (!sdata || !sdata->default_key ||
- sdata->default_key->conf.alg != ALG_WEP)
- return 0;
- return 1;
-}
-
-static int ieee80211_privacy_mismatch(struct ieee80211_sub_if_data *sdata)
+static enum rx_mgmt_action __must_check
+ieee80211_associate(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
- struct ieee80211_bss *bss;
- int bss_privacy;
- int wep_privacy;
- int privacy_invoked;
-
- if (!ifmgd || (ifmgd->flags & IEEE80211_STA_EXT_SME))
- return 0;
-
- bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
- local->hw.conf.channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
- if (!bss)
- return 0;
-
- bss_privacy = !!(bss->cbss.capability & WLAN_CAPABILITY_PRIVACY);
- wep_privacy = !!ieee80211_sta_wep_configured(sdata);
- privacy_invoked = !!(ifmgd->flags & IEEE80211_STA_PRIVACY_INVOKED);
-
- ieee80211_rx_bss_put(local, bss);
-
- if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked))
- return 0;
- return 1;
-}
-
-static void ieee80211_associate(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- struct ieee80211_local *local = sdata->local;
-
- ifmgd->assoc_tries++;
- if (ifmgd->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
+ wk->tries++;
+ if (wk->tries > IEEE80211_ASSOC_MAX_TRIES) {
printk(KERN_DEBUG "%s: association with AP %pM"
" timed out\n",
- sdata->dev->name, ifmgd->bssid);
- ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_recalc_idle(local);
- cfg80211_send_assoc_timeout(sdata->dev, ifmgd->bssid);
- ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
- sdata->local->hw.conf.channel->center_freq,
- ifmgd->ssid, ifmgd->ssid_len);
+ sdata->dev->name, wk->bss->cbss.bssid);
+
+ /*
+ * Most likely AP is not in the range so remove the
+ * bss struct for that AP.
+ */
+ cfg80211_unlink_bss(local->hw.wiphy, &wk->bss->cbss);
+
/*
* We might have a pending scan which had no chance to run yet
- * due to state == IEEE80211_STA_MLME_ASSOCIATE.
- * Hence, queue the STAs work again
+ * due to work needing to be done. Hence, queue the STAs work
+ * again for that.
*/
- queue_work(local->hw.workqueue, &ifmgd->work);
- return;
+ ieee80211_queue_work(&local->hw, &ifmgd->work);
+ return RX_MGMT_CFG80211_ASSOC_TO;
}
- ifmgd->state = IEEE80211_STA_MLME_ASSOCIATE;
- printk(KERN_DEBUG "%s: associate with AP %pM\n",
- sdata->dev->name, ifmgd->bssid);
- if (ieee80211_privacy_mismatch(sdata)) {
- printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
- "mixed-cell disabled - abort association\n", sdata->dev->name);
- ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_recalc_idle(local);
- return;
- }
+ printk(KERN_DEBUG "%s: associate with AP %pM (try %d)\n",
+ sdata->dev->name, wk->bss->cbss.bssid, wk->tries);
+ ieee80211_send_assoc(sdata, wk);
- ieee80211_send_assoc(sdata);
+ wk->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT;
+ run_again(ifmgd, wk->timeout);
- mod_timer(&ifmgd->timer, jiffies + IEEE80211_ASSOC_TIMEOUT);
+ return RX_MGMT_NONE;
}
void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
@@ -1280,160 +1144,113 @@ void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
* from AP because we know that the connection is working both ways
* at that time. But multicast frames (and hence also beacons) must
* be ignored here, because we need to trigger the timer during
- * data idle periods for sending the periodical probe request to
- * the AP.
+ * data idle periods for sending the periodic probe request to the
+ * AP we're connected to.
*/
- if (!is_multicast_ether_addr(hdr->addr1))
- mod_timer(&sdata->u.mgd.timer,
- jiffies + IEEE80211_MONITORING_INTERVAL);
-}
-
-void ieee80211_beacon_loss_work(struct work_struct *work)
-{
- struct ieee80211_sub_if_data *sdata =
- container_of(work, struct ieee80211_sub_if_data,
- u.mgd.beacon_loss_work);
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
-
- /*
- * The driver has already reported this event and we have
- * already sent a probe request. Maybe the AP died and the
- * driver keeps reporting until we disassociate... We have
- * to ignore that because otherwise we would continually
- * reset the timer and never check whether we received a
- * probe response!
- */
- if (ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL)
+ if (is_multicast_ether_addr(hdr->addr1))
return;
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: driver reports beacon loss from AP %pM "
- "- sending probe request\n", sdata->dev->name,
- sdata->u.mgd.bssid);
- }
-#endif
-
- ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
-
- mutex_lock(&sdata->local->iflist_mtx);
- ieee80211_recalc_ps(sdata->local, -1);
- mutex_unlock(&sdata->local->iflist_mtx);
-
- ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
- ifmgd->ssid_len, NULL, 0);
-
- mod_timer(&ifmgd->timer, jiffies + IEEE80211_PROBE_WAIT);
+ mod_timer(&sdata->u.mgd.conn_mon_timer,
+ round_jiffies_up(jiffies + IEEE80211_CONNECTION_IDLE_TIME));
}
-void ieee80211_beacon_loss(struct ieee80211_vif *vif)
+static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ const u8 *ssid;
+
+ ssid = ieee80211_bss_get_ie(&ifmgd->associated->cbss, WLAN_EID_SSID);
+ ieee80211_send_probe_req(sdata, ifmgd->associated->cbss.bssid,
+ ssid + 2, ssid[1], NULL, 0);
- queue_work(sdata->local->hw.workqueue,
- &sdata->u.mgd.beacon_loss_work);
+ ifmgd->probe_send_count++;
+ ifmgd->probe_timeout = jiffies + IEEE80211_PROBE_WAIT;
+ run_again(ifmgd, ifmgd->probe_timeout);
}
-EXPORT_SYMBOL(ieee80211_beacon_loss);
-static void ieee80211_associated(struct ieee80211_sub_if_data *sdata)
+static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
+ bool beacon)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- struct ieee80211_local *local = sdata->local;
- struct sta_info *sta;
- unsigned long last_rx;
- bool disassoc = false;
+ bool already = false;
- /* TODO: start monitoring current AP signal quality and number of
- * missed beacons. Scan other channels every now and then and search
- * for better APs. */
- /* TODO: remove expired BSSes */
+ if (!netif_running(sdata->dev))
+ return;
- ifmgd->state = IEEE80211_STA_MLME_ASSOCIATED;
+ if (sdata->local->scanning)
+ return;
- rcu_read_lock();
+ mutex_lock(&ifmgd->mtx);
- sta = sta_info_get(local, ifmgd->bssid);
- if (!sta) {
- printk(KERN_DEBUG "%s: No STA entry for own AP %pM\n",
- sdata->dev->name, ifmgd->bssid);
- disassoc = true;
- rcu_read_unlock();
+ if (!ifmgd->associated)
goto out;
- }
- last_rx = sta->last_rx;
- rcu_read_unlock();
-
- if ((ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL) &&
- time_after(jiffies, last_rx + IEEE80211_PROBE_WAIT)) {
- printk(KERN_DEBUG "%s: no probe response from AP %pM "
- "- disassociating\n",
- sdata->dev->name, ifmgd->bssid);
- disassoc = true;
- ifmgd->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
- goto out;
- }
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ if (beacon && net_ratelimit())
+ printk(KERN_DEBUG "%s: detected beacon loss from AP "
+ "- sending probe request\n", sdata->dev->name);
+#endif
/*
- * Beacon filtering is only enabled with power save and then the
- * stack should not check for beacon loss.
+ * The driver/our work has already reported this event or the
+ * connection monitoring has kicked in and we have already sent
+ * a probe request. Or maybe the AP died and the driver keeps
+ * reporting until we disassociate...
+ *
+ * In either case we have to ignore the current call to this
+ * function (except for setting the correct probe reason bit)
+ * because otherwise we would reset the timer every time and
+ * never check whether we received a probe response!
*/
- if (!((local->hw.flags & IEEE80211_HW_BEACON_FILTER) &&
- (local->hw.conf.flags & IEEE80211_CONF_PS)) &&
- time_after(jiffies,
- ifmgd->last_beacon + IEEE80211_MONITORING_INTERVAL)) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: beacon loss from AP %pM "
- "- sending probe request\n",
- sdata->dev->name, ifmgd->bssid);
- }
-#endif
- ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
- mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, -1);
- mutex_unlock(&local->iflist_mtx);
- ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
- ifmgd->ssid_len, NULL, 0);
- mod_timer(&ifmgd->timer, jiffies + IEEE80211_PROBE_WAIT);
+ if (ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
+ IEEE80211_STA_CONNECTION_POLL))
+ already = true;
+
+ if (beacon)
+ ifmgd->flags |= IEEE80211_STA_BEACON_POLL;
+ else
+ ifmgd->flags |= IEEE80211_STA_CONNECTION_POLL;
+
+ if (already)
goto out;
- }
- if (time_after(jiffies, last_rx + IEEE80211_PROBE_IDLE_TIME)) {
- ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
- mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, -1);
- mutex_unlock(&local->iflist_mtx);
- ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
- ifmgd->ssid_len, NULL, 0);
- }
+ mutex_lock(&sdata->local->iflist_mtx);
+ ieee80211_recalc_ps(sdata->local, -1);
+ mutex_unlock(&sdata->local->iflist_mtx);
+ ifmgd->probe_send_count = 0;
+ ieee80211_mgd_probe_ap_send(sdata);
out:
- if (!disassoc)
- mod_timer(&ifmgd->timer,
- jiffies + IEEE80211_MONITORING_INTERVAL);
- else
- ieee80211_set_disassoc(sdata, true, true,
- WLAN_REASON_PREV_AUTH_NOT_VALID);
+ mutex_unlock(&ifmgd->mtx);
}
+void ieee80211_beacon_loss_work(struct work_struct *work)
+{
+ struct ieee80211_sub_if_data *sdata =
+ container_of(work, struct ieee80211_sub_if_data,
+ u.mgd.beacon_loss_work);
-static void ieee80211_auth_completed(struct ieee80211_sub_if_data *sdata)
+ ieee80211_mgd_probe_ap(sdata, true);
+}
+
+void ieee80211_beacon_loss(struct ieee80211_vif *vif)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.beacon_loss_work);
+}
+EXPORT_SYMBOL(ieee80211_beacon_loss);
+
+static void ieee80211_auth_completed(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk)
+{
+ wk->state = IEEE80211_MGD_STATE_IDLE;
printk(KERN_DEBUG "%s: authenticated\n", sdata->dev->name);
- ifmgd->flags |= IEEE80211_STA_AUTHENTICATED;
- if (ifmgd->flags & IEEE80211_STA_EXT_SME) {
- /* Wait for SME to request association */
- ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_recalc_idle(sdata->local);
- } else
- ieee80211_associate(sdata);
}
static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk,
struct ieee80211_mgmt *mgmt,
size_t len)
{
@@ -1444,161 +1261,133 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
if (!elems.challenge)
return;
- ieee80211_send_auth(sdata, 3, sdata->u.mgd.auth_alg,
+ ieee80211_send_auth(sdata, 3, wk->auth_alg,
elems.challenge - 2, elems.challenge_len + 2,
- sdata->u.mgd.bssid, 1);
- sdata->u.mgd.auth_transaction = 4;
+ wk->bss->cbss.bssid,
+ wk->key, wk->key_len, wk->key_idx);
+ wk->auth_transaction = 4;
}
-static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len)
+static enum rx_mgmt_action __must_check
+ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk,
+ struct ieee80211_mgmt *mgmt, size_t len)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u16 auth_alg, auth_transaction, status_code;
- if (ifmgd->state != IEEE80211_STA_MLME_AUTHENTICATE)
- return;
+ if (wk->state != IEEE80211_MGD_STATE_AUTH)
+ return RX_MGMT_NONE;
if (len < 24 + 6)
- return;
+ return RX_MGMT_NONE;
- if (memcmp(ifmgd->bssid, mgmt->sa, ETH_ALEN) != 0)
- return;
+ if (memcmp(wk->bss->cbss.bssid, mgmt->sa, ETH_ALEN) != 0)
+ return RX_MGMT_NONE;
- if (memcmp(ifmgd->bssid, mgmt->bssid, ETH_ALEN) != 0)
- return;
+ if (memcmp(wk->bss->cbss.bssid, mgmt->bssid, ETH_ALEN) != 0)
+ return RX_MGMT_NONE;
auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
status_code = le16_to_cpu(mgmt->u.auth.status_code);
- if (auth_alg != ifmgd->auth_alg ||
- auth_transaction != ifmgd->auth_transaction)
- return;
+ if (auth_alg != wk->auth_alg ||
+ auth_transaction != wk->auth_transaction)
+ return RX_MGMT_NONE;
if (status_code != WLAN_STATUS_SUCCESS) {
- if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG) {
- u8 algs[3];
- const int num_algs = ARRAY_SIZE(algs);
- int i, pos;
- algs[0] = algs[1] = algs[2] = 0xff;
- if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_OPEN)
- algs[0] = WLAN_AUTH_OPEN;
- if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
- algs[1] = WLAN_AUTH_SHARED_KEY;
- if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_LEAP)
- algs[2] = WLAN_AUTH_LEAP;
- if (ifmgd->auth_alg == WLAN_AUTH_OPEN)
- pos = 0;
- else if (ifmgd->auth_alg == WLAN_AUTH_SHARED_KEY)
- pos = 1;
- else
- pos = 2;
- for (i = 0; i < num_algs; i++) {
- pos++;
- if (pos >= num_algs)
- pos = 0;
- if (algs[pos] == ifmgd->auth_alg ||
- algs[pos] == 0xff)
- continue;
- if (algs[pos] == WLAN_AUTH_SHARED_KEY &&
- !ieee80211_sta_wep_configured(sdata))
- continue;
- ifmgd->auth_alg = algs[pos];
- break;
- }
- }
- return;
+ list_del(&wk->list);
+ kfree(wk);
+ return RX_MGMT_CFG80211_AUTH;
}
- switch (ifmgd->auth_alg) {
+ switch (wk->auth_alg) {
case WLAN_AUTH_OPEN:
case WLAN_AUTH_LEAP:
case WLAN_AUTH_FT:
- ieee80211_auth_completed(sdata);
- cfg80211_send_rx_auth(sdata->dev, (u8 *) mgmt, len);
- break;
+ ieee80211_auth_completed(sdata, wk);
+ return RX_MGMT_CFG80211_AUTH;
case WLAN_AUTH_SHARED_KEY:
- if (ifmgd->auth_transaction == 4) {
- ieee80211_auth_completed(sdata);
- cfg80211_send_rx_auth(sdata->dev, (u8 *) mgmt, len);
+ if (wk->auth_transaction == 4) {
+ ieee80211_auth_completed(sdata, wk);
+ return RX_MGMT_CFG80211_AUTH;
} else
- ieee80211_auth_challenge(sdata, mgmt, len);
+ ieee80211_auth_challenge(sdata, wk, mgmt, len);
break;
}
+
+ return RX_MGMT_NONE;
}
-static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len)
+static enum rx_mgmt_action __must_check
+ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk,
+ struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ const u8 *bssid = NULL;
u16 reason_code;
if (len < 24 + 2)
- return;
+ return RX_MGMT_NONE;
- if (memcmp(ifmgd->bssid, mgmt->sa, ETH_ALEN))
- return;
+ ASSERT_MGD_MTX(ifmgd);
+
+ if (wk)
+ bssid = wk->bss->cbss.bssid;
+ else
+ bssid = ifmgd->associated->cbss.bssid;
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
- if (ifmgd->flags & IEEE80211_STA_AUTHENTICATED)
- printk(KERN_DEBUG "%s: deauthenticated (Reason: %u)\n",
- sdata->dev->name, reason_code);
+ printk(KERN_DEBUG "%s: deauthenticated from %pM (Reason: %u)\n",
+ sdata->dev->name, bssid, reason_code);
- if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
- (ifmgd->state == IEEE80211_STA_MLME_AUTHENTICATE ||
- ifmgd->state == IEEE80211_STA_MLME_ASSOCIATE ||
- ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)) {
- ifmgd->state = IEEE80211_STA_MLME_DIRECT_PROBE;
- mod_timer(&ifmgd->timer, jiffies +
- IEEE80211_RETRY_AUTH_INTERVAL);
+ if (!wk) {
+ ieee80211_set_disassoc(sdata);
+ } else {
+ list_del(&wk->list);
+ kfree(wk);
}
- ieee80211_set_disassoc(sdata, true, false, 0);
- ifmgd->flags &= ~IEEE80211_STA_AUTHENTICATED;
- cfg80211_send_deauth(sdata->dev, (u8 *) mgmt, len);
+ return RX_MGMT_CFG80211_DEAUTH;
}
-static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len)
+static enum rx_mgmt_action __must_check
+ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u16 reason_code;
if (len < 24 + 2)
- return;
+ return RX_MGMT_NONE;
- if (memcmp(ifmgd->bssid, mgmt->sa, ETH_ALEN))
- return;
+ ASSERT_MGD_MTX(ifmgd);
- reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+ if (WARN_ON(!ifmgd->associated))
+ return RX_MGMT_NONE;
- if (ifmgd->flags & IEEE80211_STA_ASSOCIATED)
- printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
- sdata->dev->name, reason_code);
+ if (WARN_ON(memcmp(ifmgd->associated->cbss.bssid, mgmt->sa, ETH_ALEN)))
+ return RX_MGMT_NONE;
- if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
- ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED) {
- ifmgd->state = IEEE80211_STA_MLME_ASSOCIATE;
- mod_timer(&ifmgd->timer, jiffies +
- IEEE80211_RETRY_AUTH_INTERVAL);
- }
+ reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+
+ printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
+ sdata->dev->name, reason_code);
- ieee80211_set_disassoc(sdata, false, false, reason_code);
- cfg80211_send_disassoc(sdata->dev, (u8 *) mgmt, len);
+ ieee80211_set_disassoc(sdata);
+ return RX_MGMT_CFG80211_DISASSOC;
}
-static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- int reassoc)
+static enum rx_mgmt_action __must_check
+ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgd_work *wk,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ bool reassoc)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
@@ -1614,17 +1403,16 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
bool have_higher_than_11mbit = false, newsta = false;
u16 ap_ht_cap_flags;
- /* AssocResp and ReassocResp have identical structure, so process both
- * of them in this function. */
-
- if (ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE)
- return;
+ /*
+ * AssocResp and ReassocResp have identical structure, so process both
+ * of them in this function.
+ */
if (len < 24 + 6)
- return;
+ return RX_MGMT_NONE;
- if (memcmp(ifmgd->bssid, mgmt->sa, ETH_ALEN) != 0)
- return;
+ if (memcmp(wk->bss->cbss.bssid, mgmt->sa, ETH_ALEN) != 0)
+ return RX_MGMT_NONE;
capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
@@ -1647,26 +1435,18 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: AP rejected association temporarily; "
"comeback duration %u TU (%u ms)\n",
sdata->dev->name, tu, ms);
+ wk->timeout = jiffies + msecs_to_jiffies(ms);
if (ms > IEEE80211_ASSOC_TIMEOUT)
- mod_timer(&ifmgd->timer,
- jiffies + msecs_to_jiffies(ms));
- return;
+ run_again(ifmgd, jiffies + msecs_to_jiffies(ms));
+ return RX_MGMT_NONE;
}
if (status_code != WLAN_STATUS_SUCCESS) {
printk(KERN_DEBUG "%s: AP denied association (code=%d)\n",
sdata->dev->name, status_code);
- /* if this was a reassociation, ensure we try a "full"
- * association next time. This works around some broken APs
- * which do not correctly reject reassociation requests. */
- ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
- cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, len);
- if (ifmgd->flags & IEEE80211_STA_EXT_SME) {
- /* Wait for SME to decide what to do next */
- ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_recalc_idle(local);
- }
- return;
+ list_del(&wk->list);
+ kfree(wk);
+ return RX_MGMT_CFG80211_ASSOC;
}
if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14)))
@@ -1677,51 +1457,35 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
if (!elems.supp_rates) {
printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n",
sdata->dev->name);
- return;
+ return RX_MGMT_NONE;
}
printk(KERN_DEBUG "%s: associated\n", sdata->dev->name);
ifmgd->aid = aid;
- ifmgd->ap_capab = capab_info;
-
- kfree(ifmgd->assocresp_ies);
- ifmgd->assocresp_ies_len = len - (pos - (u8 *) mgmt);
- ifmgd->assocresp_ies = kmalloc(ifmgd->assocresp_ies_len, GFP_KERNEL);
- if (ifmgd->assocresp_ies)
- memcpy(ifmgd->assocresp_ies, pos, ifmgd->assocresp_ies_len);
rcu_read_lock();
/* Add STA entry for the AP */
- sta = sta_info_get(local, ifmgd->bssid);
+ sta = sta_info_get(local, wk->bss->cbss.bssid);
if (!sta) {
newsta = true;
- sta = sta_info_alloc(sdata, ifmgd->bssid, GFP_ATOMIC);
+ rcu_read_unlock();
+
+ sta = sta_info_alloc(sdata, wk->bss->cbss.bssid, GFP_KERNEL);
if (!sta) {
printk(KERN_DEBUG "%s: failed to alloc STA entry for"
" the AP\n", sdata->dev->name);
- rcu_read_unlock();
- return;
+ return RX_MGMT_NONE;
}
- /* update new sta with its last rx activity */
- sta->last_rx = jiffies;
- }
+ set_sta_flags(sta, WLAN_STA_AUTH | WLAN_STA_ASSOC |
+ WLAN_STA_ASSOC_AP);
+ if (!(ifmgd->flags & IEEE80211_STA_CONTROL_PORT))
+ set_sta_flags(sta, WLAN_STA_AUTHORIZED);
- /*
- * FIXME: Do we really need to update the sta_info's information here?
- * We already know about the AP (we found it in our list) so it
- * should already be filled with the right info, no?
- * As is stands, all this is racy because typically we assume
- * the information that is filled in here (except flags) doesn't
- * change while a STA structure is alive. As such, it should move
- * to between the sta_info_alloc() and sta_info_insert() above.
- */
-
- set_sta_flags(sta, WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_AP);
- if (!(ifmgd->flags & IEEE80211_STA_CONTROL_PORT))
- set_sta_flags(sta, WLAN_STA_AUTHORIZED);
+ rcu_read_lock();
+ }
rates = 0;
basic_rates = 0;
@@ -1771,8 +1535,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
else
sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
- /* If TKIP/WEP is used, no need to parse AP's HT capabilities */
- if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))
+ if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
elems.ht_cap_elem, &sta->sta.ht_cap);
@@ -1792,7 +1555,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: failed to insert STA entry for"
" the AP (error %d)\n", sdata->dev->name, err);
rcu_read_unlock();
- return;
+ return RX_MGMT_NONE;
}
}
@@ -1806,24 +1569,29 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
if (elems.ht_info_elem && elems.wmm_param &&
(ifmgd->flags & IEEE80211_STA_WMM_ENABLED) &&
- !(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ wk->bss->cbss.bssid,
ap_ht_cap_flags);
+ /* delete work item -- must be before set_associated for PS */
+ list_del(&wk->list);
+
/* set AID and assoc capability,
* ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
bss_conf->assoc_capability = capab_info;
- ieee80211_set_associated(sdata, changed);
+ ieee80211_set_associated(sdata, wk->bss, changed);
/*
- * initialise the time of last beacon to be the association time,
- * otherwise beacon loss check will trigger immediately
+ * Start timer to probe the connection to the AP now.
+ * Also start the timer that will detect beacon loss.
*/
- ifmgd->last_beacon = jiffies;
+ ieee80211_sta_rx_notify(sdata, (struct ieee80211_hdr *)mgmt);
+ mod_beacon_timer(sdata);
- ieee80211_associated(sdata);
- cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, len);
+ kfree(wk);
+ return RX_MGMT_CFG80211_ASSOC;
}
@@ -1851,23 +1619,25 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
channel, beacon);
- if (!bss)
+ if (bss)
+ ieee80211_rx_bss_put(local, bss);
+
+ if (!sdata->u.mgd.associated)
return;
if (elems->ch_switch_elem && (elems->ch_switch_elem_len == 3) &&
- (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN) == 0)) {
+ (memcmp(mgmt->bssid, sdata->u.mgd.associated->cbss.bssid,
+ ETH_ALEN) == 0)) {
struct ieee80211_channel_sw_ie *sw_elem =
(struct ieee80211_channel_sw_ie *)elems->ch_switch_elem;
ieee80211_sta_process_chanswitch(sdata, sw_elem, bss);
}
-
- ieee80211_rx_bss_put(local, bss);
}
static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len,
+ struct ieee80211_mgd_work *wk,
+ struct ieee80211_mgmt *mgmt, size_t len,
struct ieee80211_rx_status *rx_status)
{
struct ieee80211_if_managed *ifmgd;
@@ -1876,6 +1646,8 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
ifmgd = &sdata->u.mgd;
+ ASSERT_MGD_MTX(ifmgd);
+
if (memcmp(mgmt->da, sdata->dev->dev_addr, ETH_ALEN))
return; /* ignore ProbeResp to foreign address */
@@ -1889,17 +1661,32 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false);
/* direct probe may be part of the association flow */
- if (ifmgd->state == IEEE80211_STA_MLME_DIRECT_PROBE) {
+ if (wk && wk->state == IEEE80211_MGD_STATE_PROBE) {
printk(KERN_DEBUG "%s direct probe responded\n",
sdata->dev->name);
- ieee80211_authenticate(sdata);
+ wk->tries = 0;
+ wk->state = IEEE80211_MGD_STATE_AUTH;
+ WARN_ON(ieee80211_authenticate(sdata, wk) != RX_MGMT_NONE);
}
- if (ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL) {
- ifmgd->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
+ if (ifmgd->associated &&
+ memcmp(mgmt->bssid, ifmgd->associated->cbss.bssid, ETH_ALEN) == 0 &&
+ ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
+ IEEE80211_STA_CONNECTION_POLL)) {
+ ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+ IEEE80211_STA_BEACON_POLL);
mutex_lock(&sdata->local->iflist_mtx);
ieee80211_recalc_ps(sdata->local, -1);
mutex_unlock(&sdata->local->iflist_mtx);
+ /*
+ * We've received a probe response, but are not sure whether
+ * we have or will be receiving any beacons or data, so let's
+ * schedule the timers again, just in case.
+ */
+ mod_beacon_timer(sdata);
+ mod_timer(&ifmgd->conn_mon_timer,
+ round_jiffies_up(jiffies +
+ IEEE80211_CONNECTION_IDLE_TIME));
}
}
@@ -1937,6 +1724,9 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
bool erp_valid, directed_tim = false;
u8 erp_value = 0;
u32 ncrc;
+ u8 *bssid;
+
+ ASSERT_MGD_MTX(ifmgd);
/* Process beacon from the current BSS */
baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
@@ -1946,23 +1736,41 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (rx_status->freq != local->hw.conf.channel->center_freq)
return;
- if (!(ifmgd->flags & IEEE80211_STA_ASSOCIATED) ||
- memcmp(ifmgd->bssid, mgmt->bssid, ETH_ALEN) != 0)
+ /*
+ * We might have received a number of frames, among them a
+ * disassoc frame and a beacon...
+ */
+ if (!ifmgd->associated)
return;
- if (ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL) {
+ bssid = ifmgd->associated->cbss.bssid;
+
+ /*
+ * And in theory even frames from a different AP we were just
+ * associated to a split-second ago!
+ */
+ if (memcmp(bssid, mgmt->bssid, ETH_ALEN) != 0)
+ return;
+
+ if (ifmgd->flags & IEEE80211_STA_BEACON_POLL) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: cancelling probereq poll due "
"to a received beacon\n", sdata->dev->name);
}
#endif
- ifmgd->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
+ ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL;
mutex_lock(&local->iflist_mtx);
ieee80211_recalc_ps(local, -1);
mutex_unlock(&local->iflist_mtx);
}
+ /*
+ * Push the beacon loss detection into the future since
+ * we are processing a beacon from the AP just now.
+ */
+ mod_beacon_timer(sdata);
+
ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
ncrc = ieee802_11_parse_elems_crc(mgmt->u.beacon.variable,
len - baselen, &elems,
@@ -2019,15 +1827,15 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param &&
- !(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED)) {
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_11N)) {
struct sta_info *sta;
struct ieee80211_supported_band *sband;
u16 ap_ht_cap_flags;
rcu_read_lock();
- sta = sta_info_get(local, ifmgd->bssid);
- if (!sta) {
+ sta = sta_info_get(local, bssid);
+ if (WARN_ON(!sta)) {
rcu_read_unlock();
return;
}
@@ -2042,15 +1850,11 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
- ap_ht_cap_flags);
+ bssid, ap_ht_cap_flags);
}
+ /* Note: country IE parsing is done for us by cfg80211 */
if (elems.country_elem) {
- /* Note we are only reviewing this on beacons
- * for the BSSID we are associated to */
- regulatory_hint_11d(local->hw.wiphy,
- elems.country_elem, elems.country_elem_len);
-
/* TODO: IBSS also needs this */
if (elems.pwr_constr_elem)
ieee80211_handle_pwr_constr(sdata,
@@ -2063,8 +1867,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status)
+ struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_mgmt *mgmt;
@@ -2080,14 +1883,14 @@ ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
case IEEE80211_STYPE_PROBE_REQ:
case IEEE80211_STYPE_PROBE_RESP:
case IEEE80211_STYPE_BEACON:
- memcpy(skb->cb, rx_status, sizeof(*rx_status));
case IEEE80211_STYPE_AUTH:
case IEEE80211_STYPE_ASSOC_RESP:
case IEEE80211_STYPE_REASSOC_RESP:
case IEEE80211_STYPE_DEAUTH:
case IEEE80211_STYPE_DISASSOC:
+ case IEEE80211_STYPE_ACTION:
skb_queue_tail(&sdata->u.mgd.skb_queue, skb);
- queue_work(local->hw.workqueue, &sdata->u.mgd.work);
+ ieee80211_queue_work(&local->hw, &sdata->u.mgd.work);
return RX_QUEUED;
}
@@ -2097,40 +1900,119 @@ ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_rx_status *rx_status;
struct ieee80211_mgmt *mgmt;
+ struct ieee80211_mgd_work *wk;
+ enum rx_mgmt_action rma = RX_MGMT_NONE;
u16 fc;
rx_status = (struct ieee80211_rx_status *) skb->cb;
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- switch (fc & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_PROBE_RESP:
- ieee80211_rx_mgmt_probe_resp(sdata, mgmt, skb->len,
- rx_status);
- break;
- case IEEE80211_STYPE_BEACON:
- ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len,
- rx_status);
- break;
- case IEEE80211_STYPE_AUTH:
- ieee80211_rx_mgmt_auth(sdata, mgmt, skb->len);
+ mutex_lock(&ifmgd->mtx);
+
+ if (ifmgd->associated &&
+ memcmp(ifmgd->associated->cbss.bssid, mgmt->bssid,
+ ETH_ALEN) == 0) {
+ switch (fc & IEEE80211_FCTL_STYPE) {
+ case IEEE80211_STYPE_BEACON:
+ ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len,
+ rx_status);
+ break;
+ case IEEE80211_STYPE_PROBE_RESP:
+ ieee80211_rx_mgmt_probe_resp(sdata, NULL, mgmt,
+ skb->len, rx_status);
+ break;
+ case IEEE80211_STYPE_DEAUTH:
+ rma = ieee80211_rx_mgmt_deauth(sdata, NULL,
+ mgmt, skb->len);
+ break;
+ case IEEE80211_STYPE_DISASSOC:
+ rma = ieee80211_rx_mgmt_disassoc(sdata, mgmt, skb->len);
+ break;
+ case IEEE80211_STYPE_ACTION:
+ /* XXX: differentiate, can only happen for CSA now! */
+ ieee80211_sta_process_chanswitch(sdata,
+ &mgmt->u.action.u.chan_switch.sw_elem,
+ ifmgd->associated);
+ break;
+ }
+ mutex_unlock(&ifmgd->mtx);
+
+ switch (rma) {
+ case RX_MGMT_NONE:
+ /* no action */
+ break;
+ case RX_MGMT_CFG80211_DEAUTH:
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len,
+ NULL);
+ break;
+ case RX_MGMT_CFG80211_DISASSOC:
+ cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len,
+ NULL);
+ break;
+ default:
+ WARN(1, "unexpected: %d", rma);
+ }
+ goto out;
+ }
+
+ list_for_each_entry(wk, &ifmgd->work_list, list) {
+ if (memcmp(wk->bss->cbss.bssid, mgmt->bssid, ETH_ALEN) != 0)
+ continue;
+
+ switch (fc & IEEE80211_FCTL_STYPE) {
+ case IEEE80211_STYPE_PROBE_RESP:
+ ieee80211_rx_mgmt_probe_resp(sdata, wk, mgmt, skb->len,
+ rx_status);
+ break;
+ case IEEE80211_STYPE_AUTH:
+ rma = ieee80211_rx_mgmt_auth(sdata, wk, mgmt, skb->len);
+ break;
+ case IEEE80211_STYPE_ASSOC_RESP:
+ rma = ieee80211_rx_mgmt_assoc_resp(sdata, wk, mgmt,
+ skb->len, false);
+ break;
+ case IEEE80211_STYPE_REASSOC_RESP:
+ rma = ieee80211_rx_mgmt_assoc_resp(sdata, wk, mgmt,
+ skb->len, true);
+ break;
+ case IEEE80211_STYPE_DEAUTH:
+ rma = ieee80211_rx_mgmt_deauth(sdata, wk, mgmt,
+ skb->len);
+ break;
+ }
+ /*
+ * We've processed this frame for that work, so it can't
+ * belong to another work struct.
+ * NB: this is also required for correctness because the
+ * called functions can free 'wk', and for 'rma'!
+ */
break;
- case IEEE80211_STYPE_ASSOC_RESP:
- ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len, 0);
+ }
+
+ mutex_unlock(&ifmgd->mtx);
+
+ switch (rma) {
+ case RX_MGMT_NONE:
+ /* no action */
break;
- case IEEE80211_STYPE_REASSOC_RESP:
- ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len, 1);
+ case RX_MGMT_CFG80211_AUTH:
+ cfg80211_send_rx_auth(sdata->dev, (u8 *) mgmt, skb->len);
break;
- case IEEE80211_STYPE_DEAUTH:
- ieee80211_rx_mgmt_deauth(sdata, mgmt, skb->len);
+ case RX_MGMT_CFG80211_ASSOC:
+ cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, skb->len);
break;
- case IEEE80211_STYPE_DISASSOC:
- ieee80211_rx_mgmt_disassoc(sdata, mgmt, skb->len);
+ case RX_MGMT_CFG80211_DEAUTH:
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len, NULL);
break;
+ default:
+ WARN(1, "unexpected: %d", rma);
}
+ out:
kfree_skb(skb);
}
@@ -2146,215 +2028,220 @@ static void ieee80211_sta_timer(unsigned long data)
return;
}
- set_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request);
- queue_work(local->hw.workqueue, &ifmgd->work);
+ ieee80211_queue_work(&local->hw, &ifmgd->work);
}
-static void ieee80211_sta_reset_auth(struct ieee80211_sub_if_data *sdata)
+static void ieee80211_sta_work(struct work_struct *work)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_sub_if_data *sdata =
+ container_of(work, struct ieee80211_sub_if_data, u.mgd.work);
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd;
+ struct sk_buff *skb;
+ struct ieee80211_mgd_work *wk, *tmp;
+ LIST_HEAD(free_work);
+ enum rx_mgmt_action rma;
+ bool anybusy = false;
- /* Reset own TSF to allow time synchronization work. */
- drv_reset_tsf(local);
+ if (!netif_running(sdata->dev))
+ return;
- ifmgd->wmm_last_param_set = -1; /* allow any WMM update */
+ if (local->scanning)
+ return;
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
+ return;
- if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_OPEN)
- ifmgd->auth_alg = WLAN_AUTH_OPEN;
- else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
- ifmgd->auth_alg = WLAN_AUTH_SHARED_KEY;
- else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_LEAP)
- ifmgd->auth_alg = WLAN_AUTH_LEAP;
- else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_FT)
- ifmgd->auth_alg = WLAN_AUTH_FT;
- else
- ifmgd->auth_alg = WLAN_AUTH_OPEN;
- ifmgd->auth_transaction = -1;
- ifmgd->flags &= ~IEEE80211_STA_ASSOCIATED;
- ifmgd->assoc_scan_tries = 0;
- ifmgd->direct_probe_tries = 0;
- ifmgd->auth_tries = 0;
- ifmgd->assoc_tries = 0;
- netif_tx_stop_all_queues(sdata->dev);
- netif_carrier_off(sdata->dev);
-}
+ /*
+ * ieee80211_queue_work() should have picked up most cases,
+ * here we'll pick the the rest.
+ */
+ if (WARN(local->suspended, "STA MLME work scheduled while "
+ "going to suspend\n"))
+ return;
-static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_bss *bss;
- u8 *bssid = ifmgd->bssid, *ssid = ifmgd->ssid;
- u8 ssid_len = ifmgd->ssid_len;
- u16 capa_mask = WLAN_CAPABILITY_ESS;
- u16 capa_val = WLAN_CAPABILITY_ESS;
- struct ieee80211_channel *chan = local->oper_channel;
+ ifmgd = &sdata->u.mgd;
- if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
- ifmgd->flags & (IEEE80211_STA_AUTO_SSID_SEL |
- IEEE80211_STA_AUTO_BSSID_SEL |
- IEEE80211_STA_AUTO_CHANNEL_SEL)) {
- capa_mask |= WLAN_CAPABILITY_PRIVACY;
- if (sdata->default_key)
- capa_val |= WLAN_CAPABILITY_PRIVACY;
- }
+ /* first process frames to avoid timing out while a frame is pending */
+ while ((skb = skb_dequeue(&ifmgd->skb_queue)))
+ ieee80211_sta_rx_queued_mgmt(sdata, skb);
- if (ifmgd->flags & IEEE80211_STA_AUTO_CHANNEL_SEL)
- chan = NULL;
+ /* then process the rest of the work */
+ mutex_lock(&ifmgd->mtx);
- if (ifmgd->flags & IEEE80211_STA_AUTO_BSSID_SEL)
- bssid = NULL;
+ if (ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
+ IEEE80211_STA_CONNECTION_POLL) &&
+ ifmgd->associated) {
+ u8 bssid[ETH_ALEN];
- if (ifmgd->flags & IEEE80211_STA_AUTO_SSID_SEL) {
- ssid = NULL;
- ssid_len = 0;
+ memcpy(bssid, ifmgd->associated->cbss.bssid, ETH_ALEN);
+ if (time_is_after_jiffies(ifmgd->probe_timeout))
+ run_again(ifmgd, ifmgd->probe_timeout);
+
+ else if (ifmgd->probe_send_count < IEEE80211_MAX_PROBE_TRIES) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ printk(KERN_DEBUG "No probe response from AP %pM"
+ " after %dms, try %d\n", bssid,
+ (1000 * IEEE80211_PROBE_WAIT)/HZ,
+ ifmgd->probe_send_count);
+#endif
+ ieee80211_mgd_probe_ap_send(sdata);
+ } else {
+ /*
+ * We actually lost the connection ... or did we?
+ * Let's make sure!
+ */
+ ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+ IEEE80211_STA_BEACON_POLL);
+ printk(KERN_DEBUG "No probe response from AP %pM"
+ " after %dms, disconnecting.\n",
+ bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
+ ieee80211_set_disassoc(sdata);
+ mutex_unlock(&ifmgd->mtx);
+ /*
+ * must be outside lock due to cfg80211,
+ * but that's not a problem.
+ */
+ ieee80211_send_deauth_disassoc(sdata, bssid,
+ IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ NULL);
+ mutex_lock(&ifmgd->mtx);
+ }
}
- bss = (void *)cfg80211_get_bss(local->hw.wiphy, chan,
- bssid, ssid, ssid_len,
- capa_mask, capa_val);
+ list_for_each_entry(wk, &ifmgd->work_list, list) {
+ if (wk->state != IEEE80211_MGD_STATE_IDLE) {
+ anybusy = true;
+ break;
+ }
+ }
- if (bss) {
- local->oper_channel = bss->cbss.channel;
- local->oper_channel_type = NL80211_CHAN_NO_HT;
- ieee80211_hw_config(local, 0);
+ ieee80211_recalc_idle(local);
- if (!(ifmgd->flags & IEEE80211_STA_SSID_SET))
- ieee80211_sta_set_ssid(sdata, bss->ssid,
- bss->ssid_len);
- ieee80211_sta_set_bssid(sdata, bss->cbss.bssid);
- ieee80211_sta_def_wmm_params(sdata, bss->supp_rates_len,
- bss->supp_rates);
- if (sdata->u.mgd.mfp == IEEE80211_MFP_REQUIRED)
- sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
- else
- sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
-
- /* Send out direct probe if no probe resp was received or
- * the one we have is outdated
- */
- if (!bss->last_probe_resp ||
- time_after(jiffies, bss->last_probe_resp
- + IEEE80211_SCAN_RESULT_EXPIRE))
- ifmgd->state = IEEE80211_STA_MLME_DIRECT_PROBE;
- else
- ifmgd->state = IEEE80211_STA_MLME_AUTHENTICATE;
+ if (!anybusy) {
+ mutex_unlock(&ifmgd->mtx);
- ieee80211_rx_bss_put(local, bss);
- ieee80211_sta_reset_auth(sdata);
- return 0;
- } else {
- if (ifmgd->assoc_scan_tries < IEEE80211_ASSOC_SCANS_MAX_TRIES) {
+ if (test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request))
+ ieee80211_queue_delayed_work(&local->hw,
+ &local->scan_work,
+ round_jiffies_relative(0));
+ return;
+ }
- ifmgd->assoc_scan_tries++;
+ list_for_each_entry_safe(wk, tmp, &ifmgd->work_list, list) {
+ if (time_is_after_jiffies(wk->timeout)) {
+ /*
+ * This work item isn't supposed to be worked on
+ * right now, but take care to adjust the timer
+ * properly.
+ */
+ run_again(ifmgd, wk->timeout);
+ continue;
+ }
- ieee80211_request_internal_scan(sdata, ifmgd->ssid,
- ssid_len);
+ switch (wk->state) {
+ default:
+ WARN_ON(1);
+ /* fall through */
+ case IEEE80211_MGD_STATE_IDLE:
+ /* nothing */
+ rma = RX_MGMT_NONE;
+ break;
+ case IEEE80211_MGD_STATE_PROBE:
+ rma = ieee80211_direct_probe(sdata, wk);
+ break;
+ case IEEE80211_MGD_STATE_AUTH:
+ rma = ieee80211_authenticate(sdata, wk);
+ break;
+ case IEEE80211_MGD_STATE_ASSOC:
+ rma = ieee80211_associate(sdata, wk);
+ break;
+ }
- ifmgd->state = IEEE80211_STA_MLME_AUTHENTICATE;
- set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
- } else {
- ifmgd->assoc_scan_tries = 0;
- ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_recalc_idle(local);
+ switch (rma) {
+ case RX_MGMT_NONE:
+ /* no action required */
+ break;
+ case RX_MGMT_CFG80211_AUTH_TO:
+ case RX_MGMT_CFG80211_ASSOC_TO:
+ list_del(&wk->list);
+ list_add(&wk->list, &free_work);
+ wk->tries = rma; /* small abuse but only local */
+ break;
+ default:
+ WARN(1, "unexpected: %d", rma);
}
}
- return -1;
-}
+ mutex_unlock(&ifmgd->mtx);
-static void ieee80211_sta_work(struct work_struct *work)
-{
- struct ieee80211_sub_if_data *sdata =
- container_of(work, struct ieee80211_sub_if_data, u.mgd.work);
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_managed *ifmgd;
- struct sk_buff *skb;
+ list_for_each_entry_safe(wk, tmp, &free_work, list) {
+ switch (wk->tries) {
+ case RX_MGMT_CFG80211_AUTH_TO:
+ cfg80211_send_auth_timeout(sdata->dev,
+ wk->bss->cbss.bssid);
+ break;
+ case RX_MGMT_CFG80211_ASSOC_TO:
+ cfg80211_send_assoc_timeout(sdata->dev,
+ wk->bss->cbss.bssid);
+ break;
+ default:
+ WARN(1, "unexpected: %d", wk->tries);
+ }
- if (!netif_running(sdata->dev))
- return;
+ list_del(&wk->list);
+ kfree(wk);
+ }
- if (local->sw_scanning || local->hw_scanning)
- return;
+ ieee80211_recalc_idle(local);
+}
- if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
- return;
+static void ieee80211_sta_bcn_mon_timer(unsigned long data)
+{
+ struct ieee80211_sub_if_data *sdata =
+ (struct ieee80211_sub_if_data *) data;
+ struct ieee80211_local *local = sdata->local;
- /*
- * Nothing should have been stuffed into the workqueue during
- * the suspend->resume cycle. If this WARN is seen then there
- * is a bug with either the driver suspend or something in
- * mac80211 stuffing into the workqueue which we haven't yet
- * cleared during mac80211's suspend cycle.
- */
- if (WARN_ON(local->suspended))
+ if (local->quiescing)
return;
- ifmgd = &sdata->u.mgd;
-
- while ((skb = skb_dequeue(&ifmgd->skb_queue)))
- ieee80211_sta_rx_queued_mgmt(sdata, skb);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.beacon_loss_work);
+}
- if (ifmgd->state != IEEE80211_STA_MLME_DIRECT_PROBE &&
- ifmgd->state != IEEE80211_STA_MLME_AUTHENTICATE &&
- ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE &&
- test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request)) {
- queue_delayed_work(local->hw.workqueue, &local->scan_work,
- round_jiffies_relative(0));
- return;
- }
+static void ieee80211_sta_conn_mon_timer(unsigned long data)
+{
+ struct ieee80211_sub_if_data *sdata =
+ (struct ieee80211_sub_if_data *) data;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_local *local = sdata->local;
- if (test_and_clear_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request)) {
- if (ieee80211_sta_config_auth(sdata))
- return;
- clear_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request);
- } else if (!test_and_clear_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request))
+ if (local->quiescing)
return;
- ieee80211_recalc_idle(local);
-
- switch (ifmgd->state) {
- case IEEE80211_STA_MLME_DISABLED:
- break;
- case IEEE80211_STA_MLME_DIRECT_PROBE:
- ieee80211_direct_probe(sdata);
- break;
- case IEEE80211_STA_MLME_AUTHENTICATE:
- ieee80211_authenticate(sdata);
- break;
- case IEEE80211_STA_MLME_ASSOCIATE:
- ieee80211_associate(sdata);
- break;
- case IEEE80211_STA_MLME_ASSOCIATED:
- ieee80211_associated(sdata);
- break;
- default:
- WARN_ON(1);
- break;
- }
+ ieee80211_queue_work(&local->hw, &ifmgd->monitor_work);
+}
- if (ieee80211_privacy_mismatch(sdata)) {
- printk(KERN_DEBUG "%s: privacy configuration mismatch and "
- "mixed-cell disabled - disassociate\n", sdata->dev->name);
+static void ieee80211_sta_monitor_work(struct work_struct *work)
+{
+ struct ieee80211_sub_if_data *sdata =
+ container_of(work, struct ieee80211_sub_if_data,
+ u.mgd.monitor_work);
- ieee80211_set_disassoc(sdata, false, true,
- WLAN_REASON_UNSPECIFIED);
- }
+ ieee80211_mgd_probe_ap(sdata, false);
}
static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
{
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- /*
- * Need to update last_beacon to avoid beacon loss
- * test to trigger.
- */
- sdata->u.mgd.last_beacon = jiffies;
-
-
- queue_work(sdata->local->hw.workqueue,
+ sdata->u.mgd.flags &= ~(IEEE80211_STA_BEACON_POLL |
+ IEEE80211_STA_CONNECTION_POLL);
+
+ /* let's probe the connection once */
+ ieee80211_queue_work(&sdata->local->hw,
+ &sdata->u.mgd.monitor_work);
+ /* and do all the other regular work too */
+ ieee80211_queue_work(&sdata->local->hw,
&sdata->u.mgd.work);
}
}
@@ -2378,6 +2265,11 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
cancel_work_sync(&ifmgd->chswitch_work);
if (del_timer_sync(&ifmgd->chswitch_timer))
set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running);
+
+ cancel_work_sync(&ifmgd->monitor_work);
+ /* these will just be re-established on connection */
+ del_timer_sync(&ifmgd->conn_mon_timer);
+ del_timer_sync(&ifmgd->bcn_mon_timer);
}
void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
@@ -2395,210 +2287,277 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd;
- u32 hw_flags;
ifmgd = &sdata->u.mgd;
INIT_WORK(&ifmgd->work, ieee80211_sta_work);
+ INIT_WORK(&ifmgd->monitor_work, ieee80211_sta_monitor_work);
INIT_WORK(&ifmgd->chswitch_work, ieee80211_chswitch_work);
INIT_WORK(&ifmgd->beacon_loss_work, ieee80211_beacon_loss_work);
setup_timer(&ifmgd->timer, ieee80211_sta_timer,
(unsigned long) sdata);
+ setup_timer(&ifmgd->bcn_mon_timer, ieee80211_sta_bcn_mon_timer,
+ (unsigned long) sdata);
+ setup_timer(&ifmgd->conn_mon_timer, ieee80211_sta_conn_mon_timer,
+ (unsigned long) sdata);
setup_timer(&ifmgd->chswitch_timer, ieee80211_chswitch_timer,
(unsigned long) sdata);
skb_queue_head_init(&ifmgd->skb_queue);
+ INIT_LIST_HEAD(&ifmgd->work_list);
+
ifmgd->capab = WLAN_CAPABILITY_ESS;
- ifmgd->auth_algs = IEEE80211_AUTH_ALG_OPEN |
- IEEE80211_AUTH_ALG_SHARED_KEY;
- ifmgd->flags |= IEEE80211_STA_CREATE_IBSS |
- IEEE80211_STA_AUTO_BSSID_SEL |
- IEEE80211_STA_AUTO_CHANNEL_SEL;
+ ifmgd->flags = 0;
if (sdata->local->hw.queues >= 4)
ifmgd->flags |= IEEE80211_STA_WMM_ENABLED;
- hw_flags = sdata->local->hw.flags;
-
- if (hw_flags & IEEE80211_HW_SUPPORTS_PS) {
- ifmgd->powersave = CONFIG_MAC80211_DEFAULT_PS_VALUE;
- sdata->local->hw.conf.dynamic_ps_timeout = 500;
- }
+ mutex_init(&ifmgd->mtx);
}
-/* configuration hooks */
-void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata)
+/* scan finished notification */
+void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- struct ieee80211_local *local = sdata->local;
-
- if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
- return;
-
- if ((ifmgd->flags & (IEEE80211_STA_BSSID_SET |
- IEEE80211_STA_AUTO_BSSID_SEL)) &&
- (ifmgd->flags & (IEEE80211_STA_SSID_SET |
- IEEE80211_STA_AUTO_SSID_SEL))) {
-
- if (ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
- ieee80211_set_disassoc(sdata, true, true,
- WLAN_REASON_DEAUTH_LEAVING);
-
- if (ifmgd->ssid_len == 0) {
- /*
- * Only allow association to be started if a valid SSID
- * is configured.
- */
- return;
- }
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
- if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) ||
- ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE)
- set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
- else if (ifmgd->flags & IEEE80211_STA_EXT_SME)
- set_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request);
- queue_work(local->hw.workqueue, &ifmgd->work);
- }
+ /* Restart STA timers */
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list)
+ ieee80211_restart_sta_timer(sdata);
+ rcu_read_unlock();
}
-int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata)
+int ieee80211_max_network_latency(struct notifier_block *nb,
+ unsigned long data, void *dummy)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ s32 latency_usec = (s32) data;
+ struct ieee80211_local *local =
+ container_of(nb, struct ieee80211_local,
+ network_latency_notifier);
- if (ifmgd->ssid_len)
- ifmgd->flags |= IEEE80211_STA_SSID_SET;
- else
- ifmgd->flags &= ~IEEE80211_STA_SSID_SET;
+ mutex_lock(&local->iflist_mtx);
+ ieee80211_recalc_ps(local, latency_usec);
+ mutex_unlock(&local->iflist_mtx);
return 0;
}
-int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
+/* config hooks */
+int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_auth_request *req)
{
- struct ieee80211_if_managed *ifmgd;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ const u8 *ssid;
+ struct ieee80211_mgd_work *wk;
+ u16 auth_alg;
- if (len > IEEE80211_MAX_SSID_LEN)
- return -EINVAL;
+ switch (req->auth_type) {
+ case NL80211_AUTHTYPE_OPEN_SYSTEM:
+ auth_alg = WLAN_AUTH_OPEN;
+ break;
+ case NL80211_AUTHTYPE_SHARED_KEY:
+ auth_alg = WLAN_AUTH_SHARED_KEY;
+ break;
+ case NL80211_AUTHTYPE_FT:
+ auth_alg = WLAN_AUTH_FT;
+ break;
+ case NL80211_AUTHTYPE_NETWORK_EAP:
+ auth_alg = WLAN_AUTH_LEAP;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
- ifmgd = &sdata->u.mgd;
+ wk = kzalloc(sizeof(*wk) + req->ie_len, GFP_KERNEL);
+ if (!wk)
+ return -ENOMEM;
- if (ifmgd->ssid_len != len || memcmp(ifmgd->ssid, ssid, len) != 0) {
- if (ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
- ieee80211_set_disassoc(sdata, true, true,
- WLAN_REASON_DEAUTH_LEAVING);
+ wk->bss = (void *)req->bss;
- /*
- * Do not use reassociation if SSID is changed (different ESS).
- */
- ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
- memset(ifmgd->ssid, 0, sizeof(ifmgd->ssid));
- memcpy(ifmgd->ssid, ssid, len);
- ifmgd->ssid_len = len;
+ if (req->ie && req->ie_len) {
+ memcpy(wk->ie, req->ie, req->ie_len);
+ wk->ie_len = req->ie_len;
}
- return ieee80211_sta_commit(sdata);
-}
+ if (req->key && req->key_len) {
+ wk->key_len = req->key_len;
+ wk->key_idx = req->key_idx;
+ memcpy(wk->key, req->key, req->key_len);
+ }
-int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
-{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- memcpy(ssid, ifmgd->ssid, ifmgd->ssid_len);
- *len = ifmgd->ssid_len;
+ ssid = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
+ memcpy(wk->ssid, ssid + 2, ssid[1]);
+ wk->ssid_len = ssid[1];
+
+ wk->state = IEEE80211_MGD_STATE_PROBE;
+ wk->auth_alg = auth_alg;
+ wk->timeout = jiffies; /* run right away */
+
+ /*
+ * XXX: if still associated need to tell AP that we're going
+ * to sleep and then change channel etc.
+ */
+ sdata->local->oper_channel = req->bss->channel;
+ ieee80211_hw_config(sdata->local, 0);
+
+ mutex_lock(&ifmgd->mtx);
+ list_add(&wk->list, &sdata->u.mgd.work_list);
+ mutex_unlock(&ifmgd->mtx);
+
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.work);
return 0;
}
-int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
+int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_assoc_request *req)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_mgd_work *wk, *found = NULL;
+ int i, err;
- if (compare_ether_addr(bssid, ifmgd->bssid) != 0 &&
- ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
- ieee80211_set_disassoc(sdata, true, true,
- WLAN_REASON_DEAUTH_LEAVING);
+ mutex_lock(&ifmgd->mtx);
- if (is_valid_ether_addr(bssid)) {
- memcpy(ifmgd->bssid, bssid, ETH_ALEN);
- ifmgd->flags |= IEEE80211_STA_BSSID_SET;
- } else {
- memset(ifmgd->bssid, 0, ETH_ALEN);
- ifmgd->flags &= ~IEEE80211_STA_BSSID_SET;
+ list_for_each_entry(wk, &ifmgd->work_list, list) {
+ if (&wk->bss->cbss == req->bss &&
+ wk->state == IEEE80211_MGD_STATE_IDLE) {
+ found = wk;
+ break;
+ }
}
- return ieee80211_sta_commit(sdata);
-}
+ if (!found) {
+ err = -ENOLINK;
+ goto out;
+ }
-int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata,
- const char *ie, size_t len)
-{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ list_del(&found->list);
- if (len == 0 && ifmgd->extra_ie_len == 0)
- return -EALREADY;
+ wk = krealloc(found, sizeof(*wk) + req->ie_len, GFP_KERNEL);
+ if (!wk) {
+ list_add(&found->list, &ifmgd->work_list);
+ err = -ENOMEM;
+ goto out;
+ }
- if (len == ifmgd->extra_ie_len && ifmgd->extra_ie &&
- memcmp(ifmgd->extra_ie, ie, len) == 0)
- return -EALREADY;
+ list_add(&wk->list, &ifmgd->work_list);
- kfree(ifmgd->extra_ie);
- if (len == 0) {
- ifmgd->extra_ie = NULL;
- ifmgd->extra_ie_len = 0;
- return 0;
- }
- ifmgd->extra_ie = kmalloc(len, GFP_KERNEL);
- if (!ifmgd->extra_ie) {
- ifmgd->extra_ie_len = 0;
- return -ENOMEM;
+ ifmgd->flags &= ~IEEE80211_STA_DISABLE_11N;
+
+ for (i = 0; i < req->crypto.n_ciphers_pairwise; i++)
+ if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
+ req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
+ req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104)
+ ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+
+ sdata->local->oper_channel = req->bss->channel;
+ ieee80211_hw_config(sdata->local, 0);
+
+ if (req->ie && req->ie_len) {
+ memcpy(wk->ie, req->ie, req->ie_len);
+ wk->ie_len = req->ie_len;
+ } else
+ wk->ie_len = 0;
+
+ if (req->prev_bssid)
+ memcpy(wk->prev_bssid, req->prev_bssid, ETH_ALEN);
+
+ wk->state = IEEE80211_MGD_STATE_ASSOC;
+ wk->tries = 0;
+ wk->timeout = jiffies; /* run right away */
+
+ if (req->use_mfp) {
+ ifmgd->mfp = IEEE80211_MFP_REQUIRED;
+ ifmgd->flags |= IEEE80211_STA_MFP_ENABLED;
+ } else {
+ ifmgd->mfp = IEEE80211_MFP_DISABLED;
+ ifmgd->flags &= ~IEEE80211_STA_MFP_ENABLED;
}
- memcpy(ifmgd->extra_ie, ie, len);
- ifmgd->extra_ie_len = len;
- return 0;
-}
-int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason)
-{
- printk(KERN_DEBUG "%s: deauthenticating by local choice (reason=%d)\n",
- sdata->dev->name, reason);
+ if (req->crypto.control_port)
+ ifmgd->flags |= IEEE80211_STA_CONTROL_PORT;
+ else
+ ifmgd->flags &= ~IEEE80211_STA_CONTROL_PORT;
- ieee80211_set_disassoc(sdata, true, true, reason);
- return 0;
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.work);
+
+ err = 0;
+
+ out:
+ mutex_unlock(&ifmgd->mtx);
+ return err;
}
-int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason)
+int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_deauth_request *req,
+ void *cookie)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_mgd_work *wk;
+ const u8 *bssid = NULL;
- printk(KERN_DEBUG "%s: disassociating by local choice (reason=%d)\n",
- sdata->dev->name, reason);
+ printk(KERN_DEBUG "%s: deauthenticating by local choice (reason=%d)\n",
+ sdata->dev->name, req->reason_code);
+
+ mutex_lock(&ifmgd->mtx);
+
+ if (ifmgd->associated && &ifmgd->associated->cbss == req->bss) {
+ bssid = req->bss->bssid;
+ ieee80211_set_disassoc(sdata);
+ } else list_for_each_entry(wk, &ifmgd->work_list, list) {
+ if (&wk->bss->cbss == req->bss) {
+ bssid = req->bss->bssid;
+ list_del(&wk->list);
+ kfree(wk);
+ break;
+ }
+ }
- if (!(ifmgd->flags & IEEE80211_STA_ASSOCIATED))
+ /*
+ * cfg80211 should catch this ... but it's racy since
+ * we can receive a deauth frame, process it, hand it
+ * to cfg80211 while that's in a locked section already
+ * trying to tell us that the user wants to disconnect.
+ */
+ if (!bssid) {
+ mutex_unlock(&ifmgd->mtx);
return -ENOLINK;
+ }
+
+ mutex_unlock(&ifmgd->mtx);
+
+ ieee80211_send_deauth_disassoc(sdata, bssid,
+ IEEE80211_STYPE_DEAUTH, req->reason_code,
+ cookie);
- ieee80211_set_disassoc(sdata, false, true, reason);
return 0;
}
-/* scan finished notification */
-void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
+int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_disassoc_request *req,
+ void *cookie)
{
- struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- /* Restart STA timers */
- rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list)
- ieee80211_restart_sta_timer(sdata);
- rcu_read_unlock();
-}
+ printk(KERN_DEBUG "%s: disassociating by local choice (reason=%d)\n",
+ sdata->dev->name, req->reason_code);
-int ieee80211_max_network_latency(struct notifier_block *nb,
- unsigned long data, void *dummy)
-{
- s32 latency_usec = (s32) data;
- struct ieee80211_local *local =
- container_of(nb, struct ieee80211_local,
- network_latency_notifier);
+ mutex_lock(&ifmgd->mtx);
- mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, latency_usec);
- mutex_unlock(&local->iflist_mtx);
+ /*
+ * cfg80211 should catch this ... but it's racy since
+ * we can receive a disassoc frame, process it, hand it
+ * to cfg80211 while that's in a locked section already
+ * trying to tell us that the user wants to disconnect.
+ */
+ if (&ifmgd->associated->cbss != req->bss) {
+ mutex_unlock(&ifmgd->mtx);
+ return -ENOLINK;
+ }
+
+ ieee80211_set_disassoc(sdata);
+
+ mutex_unlock(&ifmgd->mtx);
+ ieee80211_send_deauth_disassoc(sdata, req->bss->bssid,
+ IEEE80211_STYPE_DISASSOC, req->reason_code,
+ cookie);
return 0;
}
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 5e3d476972f..a5d2f1fb441 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -26,7 +26,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
/* make quiescing visible to timers everywhere */
mb();
- flush_workqueue(local->hw.workqueue);
+ flush_workqueue(local->workqueue);
/* Don't try to run timers while suspended. */
del_timer_sync(&local->sta_cleanup);
@@ -96,6 +96,10 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
if (!netif_running(sdata->dev))
continue;
+ /* disable beaconing */
+ ieee80211_bss_info_change_notify(sdata,
+ BSS_CHANGED_BEACON_ENABLED);
+
conf.vif = &sdata->vif;
conf.type = sdata->vif.type;
conf.mac_addr = sdata->dev->dev_addr;
@@ -113,7 +117,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
* shouldn't be doing (or cancel everything in the
* stop callback) that but better safe than sorry.
*/
- flush_workqueue(local->hw.workqueue);
+ flush_workqueue(local->workqueue);
local->suspended = true;
/* need suspended to be visible before quiescing is false */
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 4641f00a1e5..b33efc4fc26 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -198,6 +198,35 @@ static void rate_control_release(struct kref *kref)
kfree(ctrl_ref);
}
+static bool rc_no_data_or_no_ack(struct ieee80211_tx_rate_control *txrc)
+{
+ struct sk_buff *skb = txrc->skb;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ __le16 fc;
+
+ fc = hdr->frame_control;
+
+ return ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !ieee80211_is_data(fc));
+}
+
+bool rate_control_send_low(struct ieee80211_sta *sta,
+ void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
+
+ if (!sta || !priv_sta || rc_no_data_or_no_ack(txrc)) {
+ info->control.rates[0].idx = rate_lowest_index(txrc->sband, sta);
+ info->control.rates[0].count =
+ (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
+ 1 : txrc->hw->max_rate_tries;
+ return true;
+ }
+ return false;
+}
+EXPORT_SYMBOL(rate_control_send_low);
+
void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
struct ieee80211_tx_rate_control *txrc)
@@ -258,7 +287,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
struct rate_control_ref *ref, *old;
ASSERT_RTNL();
- if (local->open_count || netif_running(local->mdev))
+ if (local->open_count)
return -EBUSY;
ref = rate_control_alloc(name, local);
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 37771abd8f5..7c5142988bb 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -70,20 +70,6 @@ rix_to_ndx(struct minstrel_sta_info *mi, int rix)
return i;
}
-static inline bool
-use_low_rate(struct sk_buff *skb)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- u16 fc;
-
- fc = le16_to_cpu(hdr->frame_control);
-
- return ((info->flags & IEEE80211_TX_CTL_NO_ACK) ||
- (fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA);
-}
-
-
static void
minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
{
@@ -232,7 +218,6 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
void *priv_sta, struct ieee80211_tx_rate_control *txrc)
{
struct sk_buff *skb = txrc->skb;
- struct ieee80211_supported_band *sband = txrc->sband;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct minstrel_sta_info *mi = priv_sta;
struct minstrel_priv *mp = priv;
@@ -245,14 +230,8 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
int mrr_ndx[3];
int sample_rate;
- if (!sta || !mi || use_low_rate(skb)) {
- ar[0].idx = rate_lowest_index(sband, sta);
- if (info->flags & IEEE80211_TX_CTL_NO_ACK)
- ar[0].count = 1;
- else
- ar[0].count = mp->max_retry;
+ if (rate_control_send_low(sta, priv_sta, txrc))
return;
- }
mrr = mp->has_mrr && !txrc->rts && !txrc->bss_conf->use_cts_prot;
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index a0bef767ceb..8c053be9dc2 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -276,11 +276,9 @@ rate_control_pid_get_rate(void *priv, struct ieee80211_sta *sta,
{
struct sk_buff *skb = txrc->skb;
struct ieee80211_supported_band *sband = txrc->sband;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct rc_pid_sta_info *spinfo = priv_sta;
int rateidx;
- u16 fc;
if (txrc->rts)
info->control.rates[0].count =
@@ -290,16 +288,8 @@ rate_control_pid_get_rate(void *priv, struct ieee80211_sta *sta,
txrc->hw->conf.short_frame_max_tx_count;
/* Send management frames and NO_ACK data using lowest rate. */
- fc = le16_to_cpu(hdr->frame_control);
- if (!sta || !spinfo ||
- (fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
- info->flags & IEEE80211_TX_CTL_NO_ACK) {
- info->control.rates[0].idx = rate_lowest_index(sband, sta);
- if (info->flags & IEEE80211_TX_CTL_NO_ACK)
- info->control.rates[0].count = 1;
-
+ if (rate_control_send_low(sta, priv_sta, txrc))
return;
- }
rateidx = spinfo->txrate_idx;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 0936fc24942..25a669c86e1 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -30,7 +30,6 @@
static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
struct tid_ampdu_rx *tid_agg_rx,
struct sk_buff *skb,
- struct ieee80211_rx_status *status,
u16 mpdu_seq_num,
int bar_req);
/*
@@ -59,11 +58,11 @@ static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
return skb;
}
-static inline int should_drop_frame(struct ieee80211_rx_status *status,
- struct sk_buff *skb,
+static inline int should_drop_frame(struct sk_buff *skb,
int present_fcs_len,
int radiotap_len)
{
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))
@@ -111,10 +110,10 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local,
static void
ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
struct sk_buff *skb,
- struct ieee80211_rx_status *status,
struct ieee80211_rate *rate,
int rtap_len)
{
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_radiotap_header *rthdr;
unsigned char *pos;
@@ -220,9 +219,9 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
*/
static struct sk_buff *
ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
- struct ieee80211_rx_status *status,
struct ieee80211_rate *rate)
{
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(origskb);
struct ieee80211_sub_if_data *sdata;
int needed_headroom = 0;
struct sk_buff *skb, *skb2;
@@ -248,8 +247,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
present_fcs_len = FCS_LEN;
if (!local->monitors) {
- if (should_drop_frame(status, origskb, present_fcs_len,
- rtap_len)) {
+ if (should_drop_frame(origskb, present_fcs_len, rtap_len)) {
dev_kfree_skb(origskb);
return NULL;
}
@@ -257,7 +255,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
return remove_monitor_info(local, origskb, rtap_len);
}
- if (should_drop_frame(status, origskb, present_fcs_len, rtap_len)) {
+ if (should_drop_frame(origskb, present_fcs_len, rtap_len)) {
/* only need to expand headroom if necessary */
skb = origskb;
origskb = NULL;
@@ -289,7 +287,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
/* if necessary, prepend radiotap information */
if (!(status->flag & RX_FLAG_RADIOTAP))
- ieee80211_add_rx_radiotap_header(local, skb, status, rate,
+ ieee80211_add_rx_radiotap_header(local, skb, rate,
needed_headroom);
skb_reset_mac_header(skb);
@@ -420,13 +418,13 @@ ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
struct ieee80211_local *local = rx->local;
struct sk_buff *skb = rx->skb;
- if (unlikely(local->hw_scanning))
- return ieee80211_scan_rx(rx->sdata, skb, rx->status);
+ if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning)))
+ return ieee80211_scan_rx(rx->sdata, skb);
- if (unlikely(local->sw_scanning)) {
+ if (unlikely(test_bit(SCAN_SW_SCANNING, &local->scanning) &&
+ (rx->flags & IEEE80211_RX_IN_SCAN))) {
/* drop all the other packets during a software scan anyway */
- if (ieee80211_scan_rx(rx->sdata, skb, rx->status)
- != RX_QUEUED)
+ if (ieee80211_scan_rx(rx->sdata, skb) != RX_QUEUED)
dev_kfree_skb(skb);
return RX_QUEUED;
}
@@ -785,7 +783,7 @@ static void ap_sta_ps_start(struct sta_info *sta)
struct ieee80211_local *local = sdata->local;
atomic_inc(&sdata->bss->num_sta_ps);
- set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
+ set_sta_flags(sta, WLAN_STA_PS);
drv_sta_notify(local, &sdata->vif, STA_NOTIFY_SLEEP, &sta->sta);
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n",
@@ -801,7 +799,7 @@ static int ap_sta_ps_end(struct sta_info *sta)
atomic_dec(&sdata->bss->num_sta_ps);
- clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
+ clear_sta_flags(sta, WLAN_STA_PS);
drv_sta_notify(local, &sdata->vif, STA_NOTIFY_AWAKE, &sta->sta);
if (!skb_queue_empty(&sta->ps_tx_buf))
@@ -836,28 +834,22 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
if (!sta)
return RX_CONTINUE;
- /* Update last_rx only for IBSS packets which are for the current
- * BSSID to avoid keeping the current IBSS network alive in cases where
- * other STAs are using different BSSID. */
+ /*
+ * Update last_rx only for IBSS packets which are for the current
+ * BSSID to avoid keeping the current IBSS network alive in cases
+ * where other STAs start using different BSSID.
+ */
if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) {
u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,
NL80211_IFTYPE_ADHOC);
if (compare_ether_addr(bssid, rx->sdata->u.ibss.bssid) == 0)
sta->last_rx = jiffies;
- } else
- if (!is_multicast_ether_addr(hdr->addr1) ||
- rx->sdata->vif.type == NL80211_IFTYPE_STATION) {
- /* Update last_rx only for unicast frames in order to prevent
- * the Probe Request frames (the only broadcast frames from a
- * STA in infrastructure mode) from keeping a connection alive.
+ } else if (!is_multicast_ether_addr(hdr->addr1)) {
+ /*
* Mesh beacons will update last_rx when if they are found to
* match the current local configuration when processed.
*/
- if (rx->sdata->vif.type == NL80211_IFTYPE_STATION &&
- ieee80211_is_beacon(hdr->frame_control)) {
- rx->sdata->u.mgd.last_beacon = jiffies;
- } else
- sta->last_rx = jiffies;
+ sta->last_rx = jiffies;
}
if (!(rx->flags & IEEE80211_RX_RA_MATCH))
@@ -1125,14 +1117,15 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
skb_queue_empty(&rx->sta->ps_tx_buf);
if (skb) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr =
(struct ieee80211_hdr *) skb->data;
/*
- * Tell TX path to send one frame even though the STA may
+ * Tell TX path to send this frame even though the STA may
* still remain is PS mode after this frame exchange.
*/
- set_sta_flags(rx->sta, WLAN_STA_PSPOLL);
+ info->flags |= IEEE80211_TX_CTL_PSPOLL_RESPONSE;
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "STA %pM aid %d: PS Poll (entries after %d)\n",
@@ -1147,7 +1140,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
else
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
- dev_queue_xmit(skb);
+ ieee80211_add_pending_skb(rx->local, skb);
if (no_pending_pkts)
sta_info_clear_tim_bit(rx->sta);
@@ -1487,10 +1480,13 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
struct ieee80211s_hdr *mesh_hdr;
unsigned int hdrlen;
struct sk_buff *skb = rx->skb, *fwd_skb;
+ struct ieee80211_local *local = rx->local;
+ struct ieee80211_sub_if_data *sdata;
hdr = (struct ieee80211_hdr *) skb->data;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen);
+ sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
if (!ieee80211_is_data(hdr->frame_control))
return RX_CONTINUE;
@@ -1500,10 +1496,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
return RX_DROP_MONITOR;
if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6){
- struct ieee80211_sub_if_data *sdata;
struct mesh_path *mppath;
- sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
rcu_read_lock();
mppath = mpp_path_lookup(mesh_hdr->eaddr2, sdata);
if (!mppath) {
@@ -1529,6 +1523,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
dropped_frames_ttl);
else {
struct ieee80211_hdr *fwd_hdr;
+ struct ieee80211_tx_info *info;
+
fwd_skb = skb_copy(skb, GFP_ATOMIC);
if (!fwd_skb && net_ratelimit())
@@ -1542,9 +1538,25 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
*/
memcpy(fwd_hdr->addr1, fwd_hdr->addr2, ETH_ALEN);
memcpy(fwd_hdr->addr2, rx->dev->dev_addr, ETH_ALEN);
- fwd_skb->dev = rx->local->mdev;
- fwd_skb->iif = rx->dev->ifindex;
- dev_queue_xmit(fwd_skb);
+ info = IEEE80211_SKB_CB(fwd_skb);
+ memset(info, 0, sizeof(*info));
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
+ info->control.vif = &rx->sdata->vif;
+ ieee80211_select_queue(local, fwd_skb);
+ if (is_multicast_ether_addr(fwd_hdr->addr3))
+ memcpy(fwd_hdr->addr1, fwd_hdr->addr3,
+ ETH_ALEN);
+ else {
+ int err = mesh_nexthop_lookup(fwd_skb, sdata);
+ /* Failed to immediately resolve next hop:
+ * fwded frame was dropped or will be added
+ * later to the pending skb queue. */
+ if (err)
+ return RX_DROP_MONITOR;
+ }
+ IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,
+ fwded_frames);
+ ieee80211_add_pending_skb(local, fwd_skb);
}
}
@@ -1620,7 +1632,7 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
/* manage reordering buffer according to requested */
/* sequence number */
rcu_read_lock();
- ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL, NULL,
+ ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL,
start_seq_num, 1);
rcu_read_unlock();
return RX_DROP_UNUSABLE;
@@ -1644,12 +1656,7 @@ static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata,
if (compare_ether_addr(mgmt->sa, sdata->u.mgd.bssid) != 0 ||
compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid) != 0) {
- /* Not from the current AP. */
- return;
- }
-
- if (sdata->u.mgd.state == IEEE80211_STA_MLME_ASSOCIATE) {
- /* Association in progress; ignore SA Query */
+ /* Not from the current AP or not associated yet. */
return;
}
@@ -1686,7 +1693,6 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
struct ieee80211_local *local = rx->local;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
- struct ieee80211_bss *bss;
int len = rx->skb->len;
if (!ieee80211_is_action(mgmt->frame_control))
@@ -1764,17 +1770,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN))
return RX_DROP_MONITOR;
- bss = ieee80211_rx_bss_get(local, sdata->u.mgd.bssid,
- local->hw.conf.channel->center_freq,
- sdata->u.mgd.ssid,
- sdata->u.mgd.ssid_len);
- if (!bss)
- return RX_DROP_MONITOR;
-
- ieee80211_sta_process_chanswitch(sdata,
- &mgmt->u.action.u.chan_switch.sw_elem, bss);
- ieee80211_rx_bss_put(local, bss);
- break;
+ return ieee80211_sta_rx_mgmt(sdata, rx->skb);
}
break;
case WLAN_CATEGORY_SA_QUERY:
@@ -1817,19 +1813,18 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
return RX_DROP_MONITOR;
if (ieee80211_vif_is_mesh(&sdata->vif))
- return ieee80211_mesh_rx_mgmt(sdata, rx->skb, rx->status);
+ return ieee80211_mesh_rx_mgmt(sdata, rx->skb);
if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return ieee80211_ibss_rx_mgmt(sdata, rx->skb, rx->status);
+ return ieee80211_ibss_rx_mgmt(sdata, rx->skb);
if (sdata->vif.type == NL80211_IFTYPE_STATION)
- return ieee80211_sta_rx_mgmt(sdata, rx->skb, rx->status);
+ return ieee80211_sta_rx_mgmt(sdata, rx->skb);
return RX_DROP_MONITOR;
}
-static void ieee80211_rx_michael_mic_report(struct net_device *dev,
- struct ieee80211_hdr *hdr,
+static void ieee80211_rx_michael_mic_report(struct ieee80211_hdr *hdr,
struct ieee80211_rx_data *rx)
{
int keyidx;
@@ -1866,7 +1861,8 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
!ieee80211_is_auth(hdr->frame_control))
goto ignore;
- mac80211_ev_michael_mic_failure(rx->sdata, keyidx, hdr, NULL);
+ mac80211_ev_michael_mic_failure(rx->sdata, keyidx, hdr, NULL,
+ GFP_ATOMIC);
ignore:
dev_kfree_skb(rx->skb);
rx->skb = NULL;
@@ -2028,13 +2024,8 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
case NL80211_IFTYPE_STATION:
if (!bssid)
return 0;
- if (!ieee80211_bssid_match(bssid, sdata->u.mgd.bssid)) {
- if (!(rx->flags & IEEE80211_RX_IN_SCAN))
- return 0;
- rx->flags &= ~IEEE80211_RX_RA_MATCH;
- } else if (!multicast &&
- compare_ether_addr(sdata->dev->dev_addr,
- hdr->addr1) != 0) {
+ if (!multicast &&
+ compare_ether_addr(sdata->dev->dev_addr, hdr->addr1) != 0) {
if (!(sdata->dev->flags & IFF_PROMISC))
return 0;
rx->flags &= ~IEEE80211_RX_RA_MATCH;
@@ -2114,9 +2105,9 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
*/
static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
struct sk_buff *skb,
- struct ieee80211_rx_status *status,
struct ieee80211_rate *rate)
{
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
struct ieee80211_hdr *hdr;
@@ -2143,11 +2134,12 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
}
if ((status->flag & RX_FLAG_MMIC_ERROR)) {
- ieee80211_rx_michael_mic_report(local->mdev, hdr, &rx);
+ ieee80211_rx_michael_mic_report(hdr, &rx);
return;
}
- if (unlikely(local->sw_scanning || local->hw_scanning))
+ if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
+ test_bit(SCAN_OFF_CHANNEL, &local->scanning)))
rx.flags |= IEEE80211_RX_IN_SCAN;
ieee80211_parse_qos(&rx);
@@ -2227,20 +2219,21 @@ static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
{
struct ieee80211_supported_band *sband;
struct ieee80211_rate *rate;
- struct ieee80211_rx_status status;
+ struct sk_buff *skb = tid_agg_rx->reorder_buf[index];
+ struct ieee80211_rx_status *status;
- if (!tid_agg_rx->reorder_buf[index])
+ if (!skb)
goto no_frame;
+ status = IEEE80211_SKB_RXCB(skb);
+
/* release the reordered frames to stack */
- memcpy(&status, tid_agg_rx->reorder_buf[index]->cb, sizeof(status));
- sband = hw->wiphy->bands[status.band];
- if (status.flag & RX_FLAG_HT)
+ sband = hw->wiphy->bands[status->band];
+ if (status->flag & RX_FLAG_HT)
rate = sband->bitrates; /* TODO: HT rates */
else
- rate = &sband->bitrates[status.rate_idx];
- __ieee80211_rx_handle_packet(hw, tid_agg_rx->reorder_buf[index],
- &status, rate);
+ rate = &sband->bitrates[status->rate_idx];
+ __ieee80211_rx_handle_packet(hw, skb, rate);
tid_agg_rx->stored_mpdu_num--;
tid_agg_rx->reorder_buf[index] = NULL;
@@ -2265,7 +2258,6 @@ no_frame:
static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
struct tid_ampdu_rx *tid_agg_rx,
struct sk_buff *skb,
- struct ieee80211_rx_status *rxstatus,
u16 mpdu_seq_num,
int bar_req)
{
@@ -2324,8 +2316,6 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
/* put the frame in the reordering buffer */
tid_agg_rx->reorder_buf[index] = skb;
tid_agg_rx->reorder_time[index] = jiffies;
- memcpy(tid_agg_rx->reorder_buf[index]->cb, rxstatus,
- sizeof(*rxstatus));
tid_agg_rx->stored_mpdu_num++;
/* release the buffer until next missing frame */
index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn)
@@ -2374,8 +2364,7 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
}
static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
- struct sk_buff *skb,
- struct ieee80211_rx_status *status)
+ struct sk_buff *skb)
{
struct ieee80211_hw *hw = &local->hw;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
@@ -2424,7 +2413,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
/* according to mpdu sequence number deal with reordering buffer */
mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4;
- ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, status,
+ ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb,
mpdu_seq_num, 0);
end_reorder:
return ret;
@@ -2434,12 +2423,12 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
* This is the receive path handler. It is called by a low level driver when an
* 802.11 MPDU is received from the hardware.
*/
-void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_rx_status *status)
+void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_rate *rate = NULL;
struct ieee80211_supported_band *sband;
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
if (status->band < 0 ||
status->band >= IEEE80211_NUM_BANDS) {
@@ -2494,7 +2483,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
* if it was previously present.
* Also, frames with less than 16 bytes are dropped.
*/
- skb = ieee80211_rx_monitor(local, skb, status, rate);
+ skb = ieee80211_rx_monitor(local, skb, rate);
if (!skb) {
rcu_read_unlock();
return;
@@ -2512,8 +2501,8 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
* frames from other than operational channel), but that should not
* happen in normal networks.
*/
- if (!ieee80211_rx_reorder_ampdu(local, skb, status))
- __ieee80211_rx_handle_packet(hw, skb, status, rate);
+ if (!ieee80211_rx_reorder_ampdu(local, skb))
+ __ieee80211_rx_handle_packet(hw, skb, rate);
rcu_read_unlock();
}
@@ -2521,16 +2510,12 @@ EXPORT_SYMBOL(__ieee80211_rx);
/* This is a version of the rx handler that can be called from hard irq
* context. Post the skb on the queue and schedule the tasklet */
-void ieee80211_rx_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_rx_status *status)
+void ieee80211_rx_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ieee80211_local *local = hw_to_local(hw);
BUILD_BUG_ON(sizeof(struct ieee80211_rx_status) > sizeof(skb->cb));
- skb->dev = local->mdev;
- /* copy status into skb->cb for use by tasklet */
- memcpy(skb->cb, status, sizeof(*status));
skb->pkt_type = IEEE80211_RX_MSG;
skb_queue_tail(&local->skb_queue, skb);
tasklet_schedule(&local->tasklet);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 2a8d09ad17f..244f53f3c8b 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -18,7 +18,6 @@
#include <linux/if_arp.h>
#include <linux/rtnetlink.h>
#include <net/mac80211.h>
-#include <net/iw_handler.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
@@ -26,7 +25,7 @@
#define IEEE80211_PROBE_DELAY (HZ / 33)
#define IEEE80211_CHANNEL_TIME (HZ / 33)
-#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 5)
+#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 8)
struct ieee80211_bss *
ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
@@ -121,23 +120,10 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
return bss;
}
-void ieee80211_rx_bss_remove(struct ieee80211_sub_if_data *sdata, u8 *bssid,
- int freq, u8 *ssid, u8 ssid_len)
-{
- struct ieee80211_bss *bss;
- struct ieee80211_local *local = sdata->local;
-
- bss = ieee80211_rx_bss_get(local, bssid, freq, ssid, ssid_len);
- if (bss) {
- cfg80211_unlink_bss(local->hw.wiphy, (void *)bss);
- ieee80211_rx_bss_put(local, bss);
- }
-}
-
ieee80211_rx_result
-ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status)
+ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
{
+ struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_mgmt *mgmt;
struct ieee80211_bss *bss;
u8 *elements;
@@ -278,7 +264,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
mutex_lock(&local->scan_mtx);
- if (WARN_ON(!local->hw_scanning && !local->sw_scanning)) {
+ if (WARN_ON(!local->scanning)) {
mutex_unlock(&local->scan_mtx);
return;
}
@@ -288,16 +274,15 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
return;
}
- if (local->hw_scanning)
+ if (test_bit(SCAN_HW_SCANNING, &local->scanning))
ieee80211_restore_scan_ies(local);
if (local->scan_req != &local->int_scan_req)
cfg80211_scan_done(local->scan_req, aborted);
local->scan_req = NULL;
- was_hw_scan = local->hw_scanning;
- local->hw_scanning = false;
- local->sw_scanning = false;
+ was_hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
+ local->scanning = 0;
local->scan_channel = NULL;
/* we only have to protect scan_req and hw/sw scan */
@@ -307,16 +292,13 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
if (was_hw_scan)
goto done;
- netif_tx_lock_bh(local->mdev);
- netif_addr_lock(local->mdev);
+ spin_lock_bh(&local->filter_lock);
local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
drv_configure_filter(local, FIF_BCN_PRBRESP_PROMISC,
&local->filter_flags,
- local->mdev->mc_count,
- local->mdev->mc_list);
-
- netif_addr_unlock(local->mdev);
- netif_tx_unlock_bh(local->mdev);
+ local->mc_count,
+ local->mc_list);
+ spin_unlock_bh(&local->filter_lock);
drv_sw_scan_complete(local);
@@ -327,7 +309,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
/* Tell AP we're back */
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED) {
+ if (sdata->u.mgd.associated) {
ieee80211_scan_ps_disable(sdata);
netif_tx_wake_all_queues(sdata->dev);
}
@@ -382,30 +364,30 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
ieee80211_bss_info_change_notify(
sdata, BSS_CHANGED_BEACON_ENABLED);
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED) {
- netif_tx_stop_all_queues(sdata->dev);
- ieee80211_scan_ps_enable(sdata);
- }
- } else
+ /*
+ * only handle non-STA interfaces here, STA interfaces
+ * are handled in the scan state machine
+ */
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
netif_tx_stop_all_queues(sdata->dev);
}
mutex_unlock(&local->iflist_mtx);
- local->scan_state = SCAN_SET_CHANNEL;
+ local->next_scan_state = SCAN_DECISION;
local->scan_channel_idx = 0;
- netif_addr_lock_bh(local->mdev);
+ spin_lock_bh(&local->filter_lock);
local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
drv_configure_filter(local, FIF_BCN_PRBRESP_PROMISC,
&local->filter_flags,
- local->mdev->mc_count,
- local->mdev->mc_list);
- netif_addr_unlock_bh(local->mdev);
+ local->mc_count,
+ local->mc_list);
+ spin_unlock_bh(&local->filter_lock);
/* TODO: start scan as soon as all nullfunc frames are ACKed */
- queue_delayed_work(local->hw.workqueue, &local->scan_work,
- IEEE80211_CHANNEL_TIME);
+ ieee80211_queue_delayed_work(&local->hw,
+ &local->scan_work,
+ IEEE80211_CHANNEL_TIME);
return 0;
}
@@ -443,18 +425,16 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (req != &local->int_scan_req &&
sdata->vif.type == NL80211_IFTYPE_STATION &&
- (ifmgd->state == IEEE80211_STA_MLME_DIRECT_PROBE ||
- ifmgd->state == IEEE80211_STA_MLME_AUTHENTICATE ||
- ifmgd->state == IEEE80211_STA_MLME_ASSOCIATE)) {
- /* actually wait for the assoc to finish/time out */
+ !list_empty(&ifmgd->work_list)) {
+ /* actually wait for the work it's doing to finish/time out */
set_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request);
return 0;
}
if (local->ops->hw_scan)
- local->hw_scanning = true;
+ __set_bit(SCAN_HW_SCANNING, &local->scanning);
else
- local->sw_scanning = true;
+ __set_bit(SCAN_SW_SCANNING, &local->scanning);
/*
* Kicking off the scan need not be protected,
* only the scan variable stuff, since now
@@ -477,11 +457,9 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
mutex_lock(&local->scan_mtx);
if (rc) {
- if (local->ops->hw_scan) {
- local->hw_scanning = false;
+ if (local->ops->hw_scan)
ieee80211_restore_scan_ies(local);
- } else
- local->sw_scanning = false;
+ local->scanning = 0;
ieee80211_recalc_idle(local);
@@ -492,13 +470,195 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
return rc;
}
+static int ieee80211_scan_state_decision(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ bool associated = false;
+ struct ieee80211_sub_if_data *sdata;
+
+ /* if no more bands/channels left, complete scan and advance to the idle state */
+ if (local->scan_channel_idx >= local->scan_req->n_channels) {
+ ieee80211_scan_completed(&local->hw, false);
+ return 1;
+ }
+
+ /* check if at least one STA interface is associated */
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!netif_running(sdata->dev))
+ continue;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ if (sdata->u.mgd.associated) {
+ associated = true;
+ break;
+ }
+ }
+ }
+ mutex_unlock(&local->iflist_mtx);
+
+ if (local->scan_channel) {
+ /*
+ * we're currently scanning a different channel, let's
+ * switch back to the operating channel now if at least
+ * one interface is associated. Otherwise just scan the
+ * next channel
+ */
+ if (associated)
+ local->next_scan_state = SCAN_ENTER_OPER_CHANNEL;
+ else
+ local->next_scan_state = SCAN_SET_CHANNEL;
+ } else {
+ /*
+ * we're on the operating channel currently, let's
+ * leave that channel now to scan another one
+ */
+ local->next_scan_state = SCAN_LEAVE_OPER_CHANNEL;
+ }
+
+ *next_delay = 0;
+ return 0;
+}
+
+static void ieee80211_scan_state_leave_oper_channel(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ struct ieee80211_sub_if_data *sdata;
+
+ /*
+ * notify the AP about us leaving the channel and stop all STA interfaces
+ */
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!netif_running(sdata->dev))
+ continue;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ netif_tx_stop_all_queues(sdata->dev);
+ if (sdata->u.mgd.associated)
+ ieee80211_scan_ps_enable(sdata);
+ }
+ }
+ mutex_unlock(&local->iflist_mtx);
+
+ __set_bit(SCAN_OFF_CHANNEL, &local->scanning);
+
+ /* advance to the next channel to be scanned */
+ *next_delay = HZ / 10;
+ local->next_scan_state = SCAN_SET_CHANNEL;
+}
+
+static void ieee80211_scan_state_enter_oper_channel(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+ /* switch back to the operating channel */
+ local->scan_channel = NULL;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+
+ /*
+ * notify the AP about us being back and restart all STA interfaces
+ */
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!netif_running(sdata->dev))
+ continue;
+
+ /* Tell AP we're back */
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ if (sdata->u.mgd.associated)
+ ieee80211_scan_ps_disable(sdata);
+ netif_tx_wake_all_queues(sdata->dev);
+ }
+ }
+ mutex_unlock(&local->iflist_mtx);
+
+ __clear_bit(SCAN_OFF_CHANNEL, &local->scanning);
+
+ *next_delay = HZ / 5;
+ local->next_scan_state = SCAN_DECISION;
+}
+
+static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ int skip;
+ struct ieee80211_channel *chan;
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+ skip = 0;
+ chan = local->scan_req->channels[local->scan_channel_idx];
+
+ if (chan->flags & IEEE80211_CHAN_DISABLED ||
+ (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+ chan->flags & IEEE80211_CHAN_NO_IBSS))
+ skip = 1;
+
+ if (!skip) {
+ local->scan_channel = chan;
+ if (ieee80211_hw_config(local,
+ IEEE80211_CONF_CHANGE_CHANNEL))
+ skip = 1;
+ }
+
+ /* advance state machine to next channel/band */
+ local->scan_channel_idx++;
+
+ if (skip) {
+ /* if we skip this channel return to the decision state */
+ local->next_scan_state = SCAN_DECISION;
+ return;
+ }
+
+ /*
+ * Probe delay is used to update the NAV, cf. 11.1.3.2.2
+ * (which unfortunately doesn't say _why_ step a) is done,
+ * but it waits for the probe delay or until a frame is
+ * received - and the received frame would update the NAV).
+ * For now, we do not support waiting until a frame is
+ * received.
+ *
+ * In any case, it is not necessary for a passive scan.
+ */
+ if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
+ !local->scan_req->n_ssids) {
+ *next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
+ local->next_scan_state = SCAN_DECISION;
+ return;
+ }
+
+ /* active scan, send probes */
+ *next_delay = IEEE80211_PROBE_DELAY;
+ local->next_scan_state = SCAN_SEND_PROBE;
+}
+
+static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ int i;
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+ for (i = 0; i < local->scan_req->n_ssids; i++)
+ ieee80211_send_probe_req(
+ sdata, NULL,
+ local->scan_req->ssids[i].ssid,
+ local->scan_req->ssids[i].ssid_len,
+ local->scan_req->ie, local->scan_req->ie_len);
+
+ /*
+ * After sending probe requests, wait for probe responses
+ * on the channel.
+ */
+ *next_delay = IEEE80211_CHANNEL_TIME;
+ local->next_scan_state = SCAN_DECISION;
+}
+
void ieee80211_scan_work(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, scan_work.work);
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
- struct ieee80211_channel *chan;
- int skip, i;
unsigned long next_delay = 0;
mutex_lock(&local->scan_mtx);
@@ -507,7 +667,7 @@ void ieee80211_scan_work(struct work_struct *work)
return;
}
- if (local->scan_req && !(local->sw_scanning || local->hw_scanning)) {
+ if (local->scan_req && !local->scanning) {
struct cfg80211_scan_request *req = local->scan_req;
int rc;
@@ -531,72 +691,32 @@ void ieee80211_scan_work(struct work_struct *work)
return;
}
- switch (local->scan_state) {
- case SCAN_SET_CHANNEL:
- /* if no more bands/channels left, complete scan */
- if (local->scan_channel_idx >= local->scan_req->n_channels) {
- ieee80211_scan_completed(&local->hw, false);
- return;
- }
- skip = 0;
- chan = local->scan_req->channels[local->scan_channel_idx];
-
- if (chan->flags & IEEE80211_CHAN_DISABLED ||
- (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
- chan->flags & IEEE80211_CHAN_NO_IBSS))
- skip = 1;
-
- if (!skip) {
- local->scan_channel = chan;
- if (ieee80211_hw_config(local,
- IEEE80211_CONF_CHANGE_CHANNEL))
- skip = 1;
- }
-
- /* advance state machine to next channel/band */
- local->scan_channel_idx++;
-
- if (skip)
+ /*
+ * as long as no delay is required advance immediately
+ * without scheduling a new work
+ */
+ do {
+ switch (local->next_scan_state) {
+ case SCAN_DECISION:
+ if (ieee80211_scan_state_decision(local, &next_delay))
+ return;
break;
-
- /*
- * Probe delay is used to update the NAV, cf. 11.1.3.2.2
- * (which unfortunately doesn't say _why_ step a) is done,
- * but it waits for the probe delay or until a frame is
- * received - and the received frame would update the NAV).
- * For now, we do not support waiting until a frame is
- * received.
- *
- * In any case, it is not necessary for a passive scan.
- */
- if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
- !local->scan_req->n_ssids) {
- next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
+ case SCAN_SET_CHANNEL:
+ ieee80211_scan_state_set_channel(local, &next_delay);
+ break;
+ case SCAN_SEND_PROBE:
+ ieee80211_scan_state_send_probe(local, &next_delay);
+ break;
+ case SCAN_LEAVE_OPER_CHANNEL:
+ ieee80211_scan_state_leave_oper_channel(local, &next_delay);
+ break;
+ case SCAN_ENTER_OPER_CHANNEL:
+ ieee80211_scan_state_enter_oper_channel(local, &next_delay);
break;
}
+ } while (next_delay == 0);
- next_delay = IEEE80211_PROBE_DELAY;
- local->scan_state = SCAN_SEND_PROBE;
- break;
- case SCAN_SEND_PROBE:
- for (i = 0; i < local->scan_req->n_ssids; i++)
- ieee80211_send_probe_req(
- sdata, NULL,
- local->scan_req->ssids[i].ssid,
- local->scan_req->ssids[i].ssid_len,
- local->scan_req->ie, local->scan_req->ie_len);
-
- /*
- * After sending probe requests, wait for probe responses
- * on the channel.
- */
- next_delay = IEEE80211_CHANNEL_TIME;
- local->scan_state = SCAN_SET_CHANNEL;
- break;
- }
-
- queue_delayed_work(local->hw.workqueue, &local->scan_work,
- next_delay);
+ ieee80211_queue_delayed_work(&local->hw, &local->scan_work, next_delay);
}
int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
@@ -643,7 +763,7 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
* queued -- mostly at suspend under RTNL.
*/
mutex_lock(&local->scan_mtx);
- swscan = local->sw_scanning;
+ swscan = test_bit(SCAN_SW_SCANNING, &local->scanning);
mutex_unlock(&local->scan_mtx);
if (swscan)
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 49a1a1f7651..ccc3adf962c 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -30,7 +30,6 @@
* @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
* @WLAN_STA_WME: Station is a QoS-STA.
* @WLAN_STA_WDS: Station is one of our WDS peers.
- * @WLAN_STA_PSPOLL: Station has just PS-polled us.
* @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
* IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
* frame to this station is transmitted.
@@ -47,7 +46,6 @@ enum ieee80211_sta_info_flags {
WLAN_STA_ASSOC_AP = 1<<5,
WLAN_STA_WME = 1<<6,
WLAN_STA_WDS = 1<<7,
- WLAN_STA_PSPOLL = 1<<8,
WLAN_STA_CLEAR_PS_FILT = 1<<9,
WLAN_STA_MFP = 1<<10,
WLAN_STA_SUSPEND = 1<<11
@@ -308,6 +306,23 @@ struct sta_info {
struct dentry *inactive_ms;
struct dentry *last_seq_ctrl;
struct dentry *agg_status;
+ struct dentry *aid;
+ struct dentry *dev;
+ struct dentry *rx_packets;
+ struct dentry *tx_packets;
+ struct dentry *rx_bytes;
+ struct dentry *tx_bytes;
+ struct dentry *rx_duplicates;
+ struct dentry *rx_fragments;
+ struct dentry *rx_dropped;
+ struct dentry *tx_fragments;
+ struct dentry *tx_filtered;
+ struct dentry *tx_retry_failed;
+ struct dentry *tx_retry_count;
+ struct dentry *last_signal;
+ struct dentry *last_qual;
+ struct dentry *last_noise;
+ struct dentry *wep_weak_iv_count;
bool add_has_run;
} debugfs;
#endif
@@ -342,17 +357,6 @@ static inline void clear_sta_flags(struct sta_info *sta, const u32 flags)
spin_unlock_irqrestore(&sta->flaglock, irqfl);
}
-static inline void set_and_clear_sta_flags(struct sta_info *sta,
- const u32 set, const u32 clear)
-{
- unsigned long irqfl;
-
- spin_lock_irqsave(&sta->flaglock, irqfl);
- sta->flags |= set;
- sta->flags &= ~clear;
- spin_unlock_irqrestore(&sta->flaglock, irqfl);
-}
-
static inline u32 test_sta_flags(struct sta_info *sta, const u32 flags)
{
u32 ret;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3a8922cd103..7cffaa046b3 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -192,7 +192,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED))
return TX_CONTINUE;
- if (unlikely(tx->local->sw_scanning) &&
+ if (unlikely(test_bit(SCAN_OFF_CHANNEL, &tx->local->scanning)) &&
!ieee80211_is_probe_req(hdr->frame_control) &&
!ieee80211_is_nullfunc(hdr->frame_control))
/*
@@ -373,7 +373,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
staflags = get_sta_flags(sta);
if (unlikely((staflags & WLAN_STA_PS) &&
- !(staflags & WLAN_STA_PSPOLL))) {
+ !(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE))) {
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries "
"before %d)\n",
@@ -400,6 +400,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
sta_info_set_tim_bit(sta);
info->control.jiffies = jiffies;
+ info->control.vif = &tx->sdata->vif;
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
skb_queue_tail(&sta->ps_tx_buf, tx->skb);
return TX_QUEUED;
@@ -411,24 +412,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
sta->sta.addr);
}
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
- if (test_and_clear_sta_flags(sta, WLAN_STA_PSPOLL)) {
- /*
- * The sleeping station with pending data is now snoozing.
- * It queried us for its buffered frames and will go back
- * to deep sleep once it got everything.
- *
- * inform the driver, in case the hardware does powersave
- * frame filtering and keeps a station blacklist on its own
- * (e.g: p54), so that frames can be delivered unimpeded.
- *
- * Note: It should be safe to disable the filter now.
- * As, it is really unlikely that we still have any pending
- * frame for this station in the hw's buffers/fifos left,
- * that is not rejected with a unsuccessful tx_status yet.
- */
- info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
- }
return TX_CONTINUE;
}
@@ -451,7 +435,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
- if (unlikely(tx->skb->do_not_encrypt))
+ if (unlikely(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT))
tx->key = NULL;
else if (tx->sta && (key = rcu_dereference(tx->sta->key)))
tx->key = key;
@@ -497,7 +481,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
}
if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
- tx->skb->do_not_encrypt = 1;
+ info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
return TX_CONTINUE;
}
@@ -512,6 +496,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
int i, len;
bool inval = false, rts = false, short_preamble = false;
struct ieee80211_tx_rate_control txrc;
+ u32 sta_flags;
memset(&txrc, 0, sizeof(txrc));
@@ -544,7 +529,26 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
(tx->sta && test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))))
txrc.short_preamble = short_preamble = true;
+ sta_flags = tx->sta ? get_sta_flags(tx->sta) : 0;
+ /*
+ * Lets not bother rate control if we're associated and cannot
+ * talk to the sta. This should not happen.
+ */
+ if (WARN(test_bit(SCAN_SW_SCANNING, &tx->local->scanning) &&
+ (sta_flags & WLAN_STA_ASSOC) &&
+ !rate_usable_index_exists(sband, &tx->sta->sta),
+ "%s: Dropped data frame as no usable bitrate found while "
+ "scanning and associated. Target station: "
+ "%pM on %d GHz band\n",
+ tx->dev->name, hdr->addr1,
+ tx->channel->band ? 5 : 2))
+ return TX_DROP;
+
+ /*
+ * If we're associated with the sta at this point we know we can at
+ * least send the frame at the lowest bit rate.
+ */
rate_control_get_rate(tx->sdata, tx->sta, &txrc);
if (unlikely(info->control.rates[0].idx < 0))
@@ -676,7 +680,7 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
* number, if we have no matching interface then we
* neither assign one ourselves nor ask the driver to.
*/
- if (unlikely(!info->control.vif))
+ if (unlikely(info->control.vif->type == NL80211_IFTYPE_MONITOR))
return TX_CONTINUE;
if (unlikely(ieee80211_is_ctl(hdr->frame_control)))
@@ -754,9 +758,7 @@ static int ieee80211_fragment(struct ieee80211_local *local,
memcpy(tmp->cb, skb->cb, sizeof(tmp->cb));
skb_copy_queue_mapping(tmp, skb);
tmp->priority = skb->priority;
- tmp->do_not_encrypt = skb->do_not_encrypt;
tmp->dev = skb->dev;
- tmp->iif = skb->iif;
/* copy header and data */
memcpy(skb_put(tmp, hdrlen), skb->data, hdrlen);
@@ -784,7 +786,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
/*
* Warn when submitting a fragmented A-MPDU frame and drop it.
- * This scenario is handled in __ieee80211_tx_prepare but extra
+ * This scenario is handled in ieee80211_tx_prepare but extra
* caution taken here as fragmented ampdu may cause Tx stop.
*/
if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU))
@@ -923,11 +925,12 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
struct ieee80211_radiotap_header *rthdr =
(struct ieee80211_radiotap_header *) skb->data;
struct ieee80211_supported_band *sband;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len);
sband = tx->local->hw.wiphy->bands[tx->channel->band];
- skb->do_not_encrypt = 1;
+ info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
tx->flags &= ~IEEE80211_TX_FRAGMENTED;
/*
@@ -965,7 +968,7 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
skb_trim(skb, skb->len - FCS_LEN);
}
if (*iterator.this_arg & IEEE80211_RADIOTAP_F_WEP)
- tx->skb->do_not_encrypt = 0;
+ info->flags &= ~IEEE80211_TX_INTFL_DONT_ENCRYPT;
if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FRAG)
tx->flags |= IEEE80211_TX_FRAGMENTED;
break;
@@ -998,13 +1001,12 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
* initialises @tx
*/
static ieee80211_tx_result
-__ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
- struct sk_buff *skb,
- struct net_device *dev)
+ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_tx_data *tx,
+ struct sk_buff *skb)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_hdr *hdr;
- struct ieee80211_sub_if_data *sdata;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
int hdrlen, tid;
u8 *qc, *state;
@@ -1012,9 +1014,9 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
memset(tx, 0, sizeof(*tx));
tx->skb = skb;
- tx->dev = dev; /* use original interface */
+ tx->dev = sdata->dev; /* use original interface */
tx->local = local;
- tx->sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ tx->sdata = sdata;
tx->channel = local->hw.conf.channel;
/*
* Set this flag (used below to indicate "automatic fragmentation"),
@@ -1023,7 +1025,6 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
tx->flags |= IEEE80211_TX_FRAGMENTED;
/* process and remove the injection radiotap header */
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED)) {
if (!__ieee80211_parse_tx_radiotap(tx, skb))
return TX_DROP;
@@ -1075,6 +1076,7 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
} else if (*state != HT_AGG_STATE_IDLE) {
/* in progress */
queued = true;
+ info->control.vif = &sdata->vif;
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
__skb_queue_tail(&tid_tx->pending, skb);
}
@@ -1119,50 +1121,29 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
return TX_CONTINUE;
}
-/*
- * NB: @tx is uninitialised when passed in here
- */
-static int ieee80211_tx_prepare(struct ieee80211_local *local,
- struct ieee80211_tx_data *tx,
- struct sk_buff *skb)
-{
- struct net_device *dev;
-
- dev = dev_get_by_index(&init_net, skb->iif);
- if (unlikely(dev && !is_ieee80211_device(local, dev))) {
- dev_put(dev);
- dev = NULL;
- }
- if (unlikely(!dev))
- return -ENODEV;
- /*
- * initialises tx with control
- *
- * return value is safe to ignore here because this function
- * can only be invoked for multicast frames
- *
- * XXX: clean up
- */
- __ieee80211_tx_prepare(tx, skb, dev);
- dev_put(dev);
- return 0;
-}
-
static int __ieee80211_tx(struct ieee80211_local *local,
struct sk_buff **skbp,
- struct sta_info *sta)
+ struct sta_info *sta,
+ bool txpending)
{
struct sk_buff *skb = *skbp, *next;
struct ieee80211_tx_info *info;
+ struct ieee80211_sub_if_data *sdata;
+ unsigned long flags;
int ret, len;
bool fragm = false;
- local->mdev->trans_start = jiffies;
-
while (skb) {
- if (ieee80211_queue_stopped(&local->hw,
- skb_get_queue_mapping(skb)))
- return IEEE80211_TX_PENDING;
+ int q = skb_get_queue_mapping(skb);
+
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ ret = IEEE80211_TX_OK;
+ if (local->queue_stop_reasons[q] ||
+ (!txpending && !skb_queue_empty(&local->pending[q])))
+ ret = IEEE80211_TX_PENDING;
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+ if (ret != IEEE80211_TX_OK)
+ return ret;
info = IEEE80211_SKB_CB(skb);
@@ -1172,13 +1153,32 @@ static int __ieee80211_tx(struct ieee80211_local *local,
next = skb->next;
len = skb->len;
+
+ sdata = vif_to_sdata(info->control.vif);
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_MONITOR:
+ info->control.vif = NULL;
+ break;
+ case NL80211_IFTYPE_AP_VLAN:
+ info->control.vif = &container_of(sdata->bss,
+ struct ieee80211_sub_if_data, u.ap)->vif;
+ break;
+ default:
+ /* keep */
+ break;
+ }
+
ret = drv_tx(local, skb);
if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) {
dev_kfree_skb(skb);
ret = NETDEV_TX_OK;
}
- if (ret != NETDEV_TX_OK)
+ if (ret != NETDEV_TX_OK) {
+ info->control.vif = &sdata->vif;
return IEEE80211_TX_AGAIN;
+ }
+
*skbp = skb = next;
ieee80211_led_tx(local, 1);
fragm = true;
@@ -1234,10 +1234,10 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
return 0;
}
-static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
- bool txpending)
+static void ieee80211_tx(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, bool txpending)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_data tx;
ieee80211_tx_result res_prepare;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1248,8 +1248,6 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
queue = skb_get_queue_mapping(skb);
- WARN_ON(!txpending && !skb_queue_empty(&local->pending[queue]));
-
if (unlikely(skb->len < 10)) {
dev_kfree_skb(skb);
return;
@@ -1258,7 +1256,7 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
rcu_read_lock();
/* initialises tx */
- res_prepare = __ieee80211_tx_prepare(&tx, skb, dev);
+ res_prepare = ieee80211_tx_prepare(sdata, &tx, skb);
if (unlikely(res_prepare == TX_DROP)) {
dev_kfree_skb(skb);
@@ -1277,7 +1275,7 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
retries = 0;
retry:
- ret = __ieee80211_tx(local, &tx.skb, tx.sta);
+ ret = __ieee80211_tx(local, &tx.skb, tx.sta, txpending);
switch (ret) {
case IEEE80211_TX_OK:
break;
@@ -1295,34 +1293,35 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- if (__netif_subqueue_stopped(local->mdev, queue)) {
+ if (local->queue_stop_reasons[queue] ||
+ !skb_queue_empty(&local->pending[queue])) {
+ /*
+ * if queue is stopped, queue up frames for later
+ * transmission from the tasklet
+ */
do {
next = skb->next;
skb->next = NULL;
if (unlikely(txpending))
- skb_queue_head(&local->pending[queue],
- skb);
+ __skb_queue_head(&local->pending[queue],
+ skb);
else
- skb_queue_tail(&local->pending[queue],
- skb);
+ __skb_queue_tail(&local->pending[queue],
+ skb);
} while ((skb = next));
- /*
- * Make sure nobody will enable the queue on us
- * (without going through the tasklet) nor disable the
- * netdev queue underneath the pending handling code.
- */
- __set_bit(IEEE80211_QUEUE_STOP_REASON_PENDING,
- &local->queue_stop_reasons[queue]);
-
spin_unlock_irqrestore(&local->queue_stop_reason_lock,
flags);
} else {
+ /*
+ * otherwise retry, but this is a race condition or
+ * a driver bug (which we warn about if it persists)
+ */
spin_unlock_irqrestore(&local->queue_stop_reason_lock,
flags);
retries++;
- if (WARN(retries > 10, "tx refused but queue active"))
+ if (WARN(retries > 10, "tx refused but queue active\n"))
goto drop;
goto retry;
}
@@ -1383,44 +1382,25 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
return 0;
}
-int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
- struct ieee80211_master_priv *mpriv = netdev_priv(dev);
- struct ieee80211_local *local = mpriv->local;
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct net_device *odev = NULL;
- struct ieee80211_sub_if_data *osdata;
+ struct ieee80211_sub_if_data *tmp_sdata;
int headroom;
bool may_encrypt;
- enum {
- NOT_MONITOR,
- FOUND_SDATA,
- UNKNOWN_ADDRESS,
- } monitor_iface = NOT_MONITOR;
-
- if (skb->iif)
- odev = dev_get_by_index(&init_net, skb->iif);
- if (unlikely(odev && !is_ieee80211_device(local, odev))) {
- dev_put(odev);
- odev = NULL;
- }
- if (unlikely(!odev)) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Discarded packet with nonexistent "
- "originating device\n", dev->name);
-#endif
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
- }
+
+ dev_hold(sdata->dev);
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
local->hw.conf.dynamic_ps_timeout > 0 &&
- !local->sw_scanning && !local->hw_scanning && local->ps_sdata) {
+ !(local->scanning) && local->ps_sdata) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_QUEUE_STOP_REASON_PS);
- queue_work(local->hw.workqueue,
+ ieee80211_queue_work(&local->hw,
&local->dynamic_ps_disable_work);
}
@@ -1428,31 +1408,22 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));
}
- memset(info, 0, sizeof(*info));
-
info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
- osdata = IEEE80211_DEV_TO_SUB_IF(odev);
-
- if (ieee80211_vif_is_mesh(&osdata->vif) &&
+ if (ieee80211_vif_is_mesh(&sdata->vif) &&
ieee80211_is_data(hdr->frame_control)) {
if (is_multicast_ether_addr(hdr->addr3))
memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
else
- if (mesh_nexthop_lookup(skb, osdata)) {
- dev_put(odev);
- return NETDEV_TX_OK;
+ if (mesh_nexthop_lookup(skb, sdata)) {
+ dev_put(sdata->dev);
+ return;
}
- if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0)
- IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.mesh,
- fwded_frames);
- } else if (unlikely(osdata->vif.type == NL80211_IFTYPE_MONITOR)) {
- struct ieee80211_sub_if_data *sdata;
+ } else if (unlikely(sdata->vif.type == NL80211_IFTYPE_MONITOR)) {
int hdrlen;
u16 len_rthdr;
info->flags |= IEEE80211_TX_CTL_INJECTED;
- monitor_iface = UNKNOWN_ADDRESS;
len_rthdr = ieee80211_get_radiotap_len(skb->data);
hdr = (struct ieee80211_hdr *)(skb->data + len_rthdr);
@@ -1471,20 +1442,17 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
*/
rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces,
+ list_for_each_entry_rcu(tmp_sdata, &local->interfaces,
list) {
- if (!netif_running(sdata->dev))
+ if (!netif_running(tmp_sdata->dev))
continue;
- if (sdata->vif.type != NL80211_IFTYPE_AP)
+ if (tmp_sdata->vif.type != NL80211_IFTYPE_AP)
continue;
- if (compare_ether_addr(sdata->dev->dev_addr,
+ if (compare_ether_addr(tmp_sdata->dev->dev_addr,
hdr->addr2)) {
- dev_hold(sdata->dev);
- dev_put(odev);
- osdata = sdata;
- odev = osdata->dev;
- skb->iif = sdata->dev->ifindex;
- monitor_iface = FOUND_SDATA;
+ dev_hold(tmp_sdata->dev);
+ dev_put(sdata->dev);
+ sdata = tmp_sdata;
break;
}
}
@@ -1492,31 +1460,25 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
}
- may_encrypt = !skb->do_not_encrypt;
+ may_encrypt = !(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT);
- headroom = osdata->local->tx_headroom;
+ headroom = local->tx_headroom;
if (may_encrypt)
headroom += IEEE80211_ENCRYPT_HEADROOM;
headroom -= skb_headroom(skb);
headroom = max_t(int, 0, headroom);
- if (ieee80211_skb_resize(osdata->local, skb, headroom, may_encrypt)) {
+ if (ieee80211_skb_resize(local, skb, headroom, may_encrypt)) {
dev_kfree_skb(skb);
- dev_put(odev);
- return NETDEV_TX_OK;
+ dev_put(sdata->dev);
+ return;
}
- if (osdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- osdata = container_of(osdata->bss,
- struct ieee80211_sub_if_data,
- u.ap);
- if (likely(monitor_iface != UNKNOWN_ADDRESS))
- info->control.vif = &osdata->vif;
+ info->control.vif = &sdata->vif;
- ieee80211_tx(odev, skb, false);
- dev_put(odev);
-
- return NETDEV_TX_OK;
+ ieee80211_select_queue(local, skb);
+ ieee80211_tx(sdata, skb, false);
+ dev_put(sdata->dev);
}
int ieee80211_monitor_start_xmit(struct sk_buff *skb,
@@ -1526,6 +1488,7 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
struct ieee80211_channel *chan = local->hw.conf.channel;
struct ieee80211_radiotap_header *prthdr =
(struct ieee80211_radiotap_header *)skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
u16 len_rthdr;
/*
@@ -1563,15 +1526,6 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
if (unlikely(skb->len < len_rthdr))
goto fail; /* skb too short for claimed rt header extent */
- skb->dev = local->mdev;
-
- /* needed because we set skb device to master */
- skb->iif = dev->ifindex;
-
- /* sometimes we do encrypt injected frames, will be fixed
- * up in radiotap parser if not wanted */
- skb->do_not_encrypt = 0;
-
/*
* fix up the pointers accounting for the radiotap
* header still being in there. We are being given
@@ -1586,8 +1540,10 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
skb_set_network_header(skb, len_rthdr);
skb_set_transport_header(skb, len_rthdr);
- /* pass the radiotap header up to the next stage intact */
- dev_queue_xmit(skb);
+ memset(info, 0, sizeof(*info));
+
+ /* pass the radiotap header up to xmit */
+ ieee80211_xmit(IEEE80211_DEV_TO_SUB_IF(dev), skb);
return NETDEV_TX_OK;
fail:
@@ -1615,6 +1571,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
int ret = NETDEV_TX_BUSY, head_need;
u16 ethertype, hdrlen, meshhdrlen = 0;
__le16 fc;
@@ -1627,7 +1584,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
u32 sta_flags = 0;
if (unlikely(skb->len < ETH_HLEN)) {
- ret = 0;
+ ret = NETDEV_TX_OK;
goto fail;
}
@@ -1664,7 +1621,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
if (!sdata->u.mesh.mshcfg.dot11MeshTTL) {
/* Do not send frames with mesh_ttl == 0 */
sdata->u.mesh.mshstats.dropped_frames_ttl++;
- ret = 0;
+ ret = NETDEV_TX_OK;
goto fail;
}
memset(&mesh_hdr, 0, sizeof(mesh_hdr));
@@ -1724,7 +1681,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
hdrlen = 24;
break;
default:
- ret = 0;
+ ret = NETDEV_TX_OK;
goto fail;
}
@@ -1766,7 +1723,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
- ret = 0;
+ ret = NETDEV_TX_OK;
goto fail;
}
@@ -1842,9 +1799,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
nh_pos += hdrlen;
h_pos += hdrlen;
- skb->iif = dev->ifindex;
-
- skb->dev = local->mdev;
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
@@ -1855,13 +1809,15 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
skb_set_network_header(skb, nh_pos);
skb_set_transport_header(skb, h_pos);
+ memset(info, 0, sizeof(*info));
+
dev->trans_start = jiffies;
- dev_queue_xmit(skb);
+ ieee80211_xmit(sdata, skb);
- return 0;
+ return NETDEV_TX_OK;
fail:
- if (!ret)
+ if (ret == NETDEV_TX_OK)
dev_kfree_skb(skb);
return ret;
@@ -1887,101 +1843,74 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
struct ieee80211_hdr *hdr;
- struct net_device *dev;
int ret;
bool result = true;
- /* does interface still exist? */
- dev = dev_get_by_index(&init_net, skb->iif);
- if (!dev) {
- dev_kfree_skb(skb);
- return true;
- }
-
- /* validate info->control.vif against skb->iif */
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- sdata = container_of(sdata->bss,
- struct ieee80211_sub_if_data,
- u.ap);
-
- if (unlikely(info->control.vif && info->control.vif != &sdata->vif)) {
- dev_kfree_skb(skb);
- result = true;
- goto out;
- }
+ sdata = vif_to_sdata(info->control.vif);
if (info->flags & IEEE80211_TX_INTFL_NEED_TXPROCESSING) {
- ieee80211_tx(dev, skb, true);
+ ieee80211_tx(sdata, skb, true);
} else {
hdr = (struct ieee80211_hdr *)skb->data;
sta = sta_info_get(local, hdr->addr1);
- ret = __ieee80211_tx(local, &skb, sta);
+ ret = __ieee80211_tx(local, &skb, sta, true);
if (ret != IEEE80211_TX_OK)
result = false;
}
- out:
- dev_put(dev);
-
return result;
}
/*
- * Transmit all pending packets. Called from tasklet, locks master device
- * TX lock so that no new packets can come in.
+ * Transmit all pending packets. Called from tasklet.
*/
void ieee80211_tx_pending(unsigned long data)
{
struct ieee80211_local *local = (struct ieee80211_local *)data;
- struct net_device *dev = local->mdev;
unsigned long flags;
int i;
- bool next;
+ bool txok;
rcu_read_lock();
- netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
for (i = 0; i < local->hw.queues; i++) {
/*
* If queue is stopped by something other than due to pending
* frames, or we have no pending frames, proceed to next queue.
*/
- spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- next = false;
- if (local->queue_stop_reasons[i] !=
- BIT(IEEE80211_QUEUE_STOP_REASON_PENDING) ||
+ if (local->queue_stop_reasons[i] ||
skb_queue_empty(&local->pending[i]))
- next = true;
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
-
- if (next)
continue;
- /*
- * start the queue now to allow processing our packets,
- * we're under the tx lock here anyway so nothing will
- * happen as a result of this
- */
- netif_start_subqueue(local->mdev, i);
-
while (!skb_queue_empty(&local->pending[i])) {
- struct sk_buff *skb = skb_dequeue(&local->pending[i]);
+ struct sk_buff *skb = __skb_dequeue(&local->pending[i]);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_sub_if_data *sdata;
- if (!ieee80211_tx_pending_skb(local, skb)) {
- skb_queue_head(&local->pending[i], skb);
- break;
+ if (WARN_ON(!info->control.vif)) {
+ kfree_skb(skb);
+ continue;
}
- }
- /* Start regular packet processing again. */
- if (skb_queue_empty(&local->pending[i]))
- ieee80211_wake_queue_by_reason(&local->hw, i,
- IEEE80211_QUEUE_STOP_REASON_PENDING);
+ sdata = vif_to_sdata(info->control.vif);
+ dev_hold(sdata->dev);
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock,
+ flags);
+
+ txok = ieee80211_tx_pending_skb(local, skb);
+ dev_put(sdata->dev);
+ if (!txok)
+ __skb_queue_head(&local->pending[i], skb);
+ spin_lock_irqsave(&local->queue_stop_reason_lock,
+ flags);
+ if (!txok)
+ break;
+ }
}
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
- netif_tx_unlock_bh(dev);
rcu_read_unlock();
}
@@ -2156,8 +2085,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
info = IEEE80211_SKB_CB(skb);
- skb->do_not_encrypt = 1;
-
+ info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
info->band = band;
/*
* XXX: For now, always use the lowest rate
@@ -2228,9 +2156,6 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
sdata = vif_to_sdata(vif);
bss = &sdata->u.ap;
- if (!bss)
- return NULL;
-
rcu_read_lock();
beacon = rcu_dereference(bss->beacon);
@@ -2256,7 +2181,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
cpu_to_le16(IEEE80211_FCTL_MOREDATA);
}
- if (!ieee80211_tx_prepare(local, &tx, skb))
+ if (!ieee80211_tx_prepare(sdata, &tx, skb))
break;
dev_kfree_skb_any(skb);
}
@@ -2276,3 +2201,24 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
return skb;
}
EXPORT_SYMBOL(ieee80211_get_buffered_bc);
+
+void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+ int encrypt)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ skb_set_mac_header(skb, 0);
+ skb_set_network_header(skb, 0);
+ skb_set_transport_header(skb, 0);
+
+ if (!encrypt)
+ info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ /*
+ * The other path calling ieee80211_xmit is from the tasklet,
+ * and while we can handle concurrent transmissions locking
+ * requirements are that we do not come into tx with bhs on.
+ */
+ local_bh_disable();
+ ieee80211_xmit(sdata, skb);
+ local_bh_enable();
+}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 915e7776931..e55d57f559e 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -31,6 +31,7 @@
#include "mesh.h"
#include "wme.h"
#include "led.h"
+#include "wep.h"
/* privid for wiphys to determine whether they belong to us or not */
void *mac80211_wiphy_privid = &mac80211_wiphy_privid;
@@ -274,16 +275,12 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
__clear_bit(reason, &local->queue_stop_reasons[queue]);
- if (!skb_queue_empty(&local->pending[queue]) &&
- local->queue_stop_reasons[queue] ==
- BIT(IEEE80211_QUEUE_STOP_REASON_PENDING))
- tasklet_schedule(&local->tx_pending_tasklet);
-
if (local->queue_stop_reasons[queue] != 0)
/* someone still has this queue stopped */
return;
- netif_wake_subqueue(local->mdev, queue);
+ if (!skb_queue_empty(&local->pending[queue]))
+ tasklet_schedule(&local->tx_pending_tasklet);
}
void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -312,14 +309,6 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
if (WARN_ON(queue >= hw->queues))
return;
- /*
- * Only stop if it was previously running, this is necessary
- * for correct pending packets handling because there we may
- * start (but not wake) the queue and rely on that.
- */
- if (!local->queue_stop_reasons[queue])
- netif_stop_subqueue(local->mdev, queue);
-
__set_bit(reason, &local->queue_stop_reasons[queue]);
}
@@ -347,11 +336,16 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local,
struct ieee80211_hw *hw = &local->hw;
unsigned long flags;
int queue = skb_get_queue_mapping(skb);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ if (WARN_ON(!info->control.vif)) {
+ kfree(skb);
+ return;
+ }
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
__ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
- __ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_PENDING);
- skb_queue_tail(&local->pending[queue], skb);
+ __skb_queue_tail(&local->pending[queue], skb);
__ieee80211_wake_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@@ -370,18 +364,21 @@ int ieee80211_add_pending_skbs(struct ieee80211_local *local,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
while ((skb = skb_dequeue(skbs))) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ if (WARN_ON(!info->control.vif)) {
+ kfree(skb);
+ continue;
+ }
+
ret++;
queue = skb_get_queue_mapping(skb);
- skb_queue_tail(&local->pending[queue], skb);
+ __skb_queue_tail(&local->pending[queue], skb);
}
- for (i = 0; i < hw->queues; i++) {
- if (ret)
- __ieee80211_stop_queue(hw, i,
- IEEE80211_QUEUE_STOP_REASON_PENDING);
+ for (i = 0; i < hw->queues; i++)
__ieee80211_wake_queue(hw, i,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
- }
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
return ret;
@@ -412,11 +409,16 @@ EXPORT_SYMBOL(ieee80211_stop_queues);
int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue)
{
struct ieee80211_local *local = hw_to_local(hw);
+ unsigned long flags;
+ int ret;
if (WARN_ON(queue >= hw->queues))
return true;
- return __netif_subqueue_stopped(local->mdev, queue);
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ ret = !!local->queue_stop_reasons[queue];
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+ return ret;
}
EXPORT_SYMBOL(ieee80211_queue_stopped);
@@ -509,6 +511,46 @@ void ieee80211_iterate_active_interfaces_atomic(
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);
+/*
+ * Nothing should have been stuffed into the workqueue during
+ * the suspend->resume cycle. If this WARN is seen then there
+ * is a bug with either the driver suspend or something in
+ * mac80211 stuffing into the workqueue which we haven't yet
+ * cleared during mac80211's suspend cycle.
+ */
+static bool ieee80211_can_queue_work(struct ieee80211_local *local)
+{
+ if (WARN(local->suspended, "queueing ieee80211 work while "
+ "going to suspend\n"))
+ return false;
+
+ return true;
+}
+
+void ieee80211_queue_work(struct ieee80211_hw *hw, struct work_struct *work)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ if (!ieee80211_can_queue_work(local))
+ return;
+
+ queue_work(local->workqueue, work);
+}
+EXPORT_SYMBOL(ieee80211_queue_work);
+
+void ieee80211_queue_delayed_work(struct ieee80211_hw *hw,
+ struct delayed_work *dwork,
+ unsigned long delay)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ if (!ieee80211_can_queue_work(local))
+ return;
+
+ queue_delayed_work(local->workqueue, dwork, delay);
+}
+EXPORT_SYMBOL(ieee80211_queue_delayed_work);
+
void ieee802_11_parse_elems(u8 *start, size_t len,
struct ieee802_11_elems *elems)
{
@@ -760,20 +802,6 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
ieee80211_set_wmm_default(sdata);
}
-void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- int encrypt)
-{
- skb->dev = sdata->local->mdev;
- skb_set_mac_header(skb, 0);
- skb_set_network_header(skb, 0);
- skb_set_transport_header(skb, 0);
-
- skb->iif = sdata->dev->ifindex;
- skb->do_not_encrypt = !encrypt;
-
- dev_queue_xmit(skb);
-}
-
u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
enum ieee80211_band band)
{
@@ -804,12 +832,13 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg,
- u8 *extra, size_t extra_len,
- const u8 *bssid, int encrypt)
+ u8 *extra, size_t extra_len, const u8 *bssid,
+ const u8 *key, u8 key_len, u8 key_idx)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
+ int err;
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
sizeof(*mgmt) + 6 + extra_len);
@@ -824,8 +853,6 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
memset(mgmt, 0, 24 + 6);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_AUTH);
- if (encrypt)
- mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
memcpy(mgmt->da, bssid, ETH_ALEN);
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
memcpy(mgmt->bssid, bssid, ETH_ALEN);
@@ -835,7 +862,13 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
if (extra)
memcpy(skb_put(skb, extra_len), extra, extra_len);
- ieee80211_tx_skb(sdata, skb, encrypt);
+ if (auth_alg == WLAN_AUTH_SHARED_KEY && transaction == 3) {
+ mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+ err = ieee80211_wep_encrypt(local, skb, key, key_len, key_idx);
+ WARN_ON(err);
+ }
+
+ ieee80211_tx_skb(sdata, skb, 0);
}
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
@@ -1043,9 +1076,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
/* reconfigure hardware */
ieee80211_hw_config(local, ~0);
- netif_addr_lock_bh(local->mdev);
+ spin_lock_bh(&local->filter_lock);
ieee80211_configure_filter(local);
- netif_addr_unlock_bh(local->mdev);
+ spin_unlock_bh(&local->filter_lock);
/* Finally also reconfigure all the BSS information */
list_for_each_entry(sdata, &local->interfaces, list) {
@@ -1121,3 +1154,4 @@ int ieee80211_reconfig(struct ieee80211_local *local)
#endif
return 0;
}
+
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index ef73105b306..8a980f13694 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -67,10 +67,10 @@ static inline bool ieee80211_wep_weak_iv(u32 iv, int keylen)
static void ieee80211_wep_get_iv(struct ieee80211_local *local,
- struct ieee80211_key *key, u8 *iv)
+ int keylen, int keyidx, u8 *iv)
{
local->wep_iv++;
- if (ieee80211_wep_weak_iv(local->wep_iv, key->conf.keylen))
+ if (ieee80211_wep_weak_iv(local->wep_iv, keylen))
local->wep_iv += 0x0100;
if (!iv)
@@ -79,13 +79,13 @@ static void ieee80211_wep_get_iv(struct ieee80211_local *local,
*iv++ = (local->wep_iv >> 16) & 0xff;
*iv++ = (local->wep_iv >> 8) & 0xff;
*iv++ = local->wep_iv & 0xff;
- *iv++ = key->conf.keyidx << 6;
+ *iv++ = keyidx << 6;
}
static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local,
struct sk_buff *skb,
- struct ieee80211_key *key)
+ int keylen, int keyidx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
unsigned int hdrlen;
@@ -100,7 +100,7 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local,
hdrlen = ieee80211_hdrlen(hdr->frame_control);
newhdr = skb_push(skb, WEP_IV_LEN);
memmove(newhdr, newhdr + WEP_IV_LEN, hdrlen);
- ieee80211_wep_get_iv(local, key, newhdr + hdrlen);
+ ieee80211_wep_get_iv(local, keylen, keyidx, newhdr + hdrlen);
return newhdr + hdrlen;
}
@@ -144,26 +144,17 @@ void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
*
* WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data))
*/
-int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_key *key)
+int ieee80211_wep_encrypt(struct ieee80211_local *local,
+ struct sk_buff *skb,
+ const u8 *key, int keylen, int keyidx)
{
- u32 klen;
- u8 *rc4key, *iv;
+ u8 *iv;
size_t len;
+ u8 rc4key[3 + WLAN_KEY_LEN_WEP104];
- if (!key || key->conf.alg != ALG_WEP)
- return -1;
-
- klen = 3 + key->conf.keylen;
- rc4key = kmalloc(klen, GFP_ATOMIC);
- if (!rc4key)
- return -1;
-
- iv = ieee80211_wep_add_iv(local, skb, key);
- if (!iv) {
- kfree(rc4key);
+ iv = ieee80211_wep_add_iv(local, skb, keylen, keyidx);
+ if (!iv)
return -1;
- }
len = skb->len - (iv + WEP_IV_LEN - skb->data);
@@ -171,16 +162,14 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
memcpy(rc4key, iv, 3);
/* Copy rest of the WEP key (the secret part) */
- memcpy(rc4key + 3, key->conf.key, key->conf.keylen);
+ memcpy(rc4key + 3, key, keylen);
/* Add room for ICV */
skb_put(skb, WEP_ICV_LEN);
- ieee80211_wep_encrypt_data(local->wep_tx_tfm, rc4key, klen,
+ ieee80211_wep_encrypt_data(local->wep_tx_tfm, rc4key, keylen + 3,
iv + WEP_IV_LEN, len);
- kfree(rc4key);
-
return 0;
}
@@ -216,8 +205,9 @@ int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
* failure. If frame is OK, IV and ICV will be removed, i.e., decrypted payload
* is moved to the beginning of the skb and skb length will be reduced.
*/
-int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_key *key)
+static int ieee80211_wep_decrypt(struct ieee80211_local *local,
+ struct sk_buff *skb,
+ struct ieee80211_key *key)
{
u32 klen;
u8 *rc4key;
@@ -314,12 +304,16 @@ static int wep_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if (!(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) {
- if (ieee80211_wep_encrypt(tx->local, skb, tx->key))
+ if (ieee80211_wep_encrypt(tx->local, skb, tx->key->conf.key,
+ tx->key->conf.keylen,
+ tx->key->conf.keyidx))
return -1;
} else {
info->control.hw_key = &tx->key->conf;
if (tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) {
- if (!ieee80211_wep_add_iv(tx->local, skb, tx->key))
+ if (!ieee80211_wep_add_iv(tx->local, skb,
+ tx->key->conf.keylen,
+ tx->key->conf.keyidx))
return -1;
}
}
diff --git a/net/mac80211/wep.h b/net/mac80211/wep.h
index d3f0db48314..fe29d7e5759 100644
--- a/net/mac80211/wep.h
+++ b/net/mac80211/wep.h
@@ -20,12 +20,11 @@ int ieee80211_wep_init(struct ieee80211_local *local);
void ieee80211_wep_free(struct ieee80211_local *local);
void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
size_t klen, u8 *data, size_t data_len);
+int ieee80211_wep_encrypt(struct ieee80211_local *local,
+ struct sk_buff *skb,
+ const u8 *key, int keylen, int keyidx);
int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
size_t klen, u8 *data, size_t data_len);
-int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_key *key);
-int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_key *key);
bool ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);
ieee80211_rx_result
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
deleted file mode 100644
index 1da81f45674..00000000000
--- a/net/mac80211/wext.c
+++ /dev/null
@@ -1,633 +0,0 @@
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005-2006, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-#include <asm/uaccess.h>
-
-#include <net/mac80211.h>
-#include "ieee80211_i.h"
-#include "led.h"
-#include "rate.h"
-#include "wpa.h"
-#include "aes_ccm.h"
-
-
-static int ieee80211_ioctl_siwgenie(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length);
- if (ret && ret != -EALREADY)
- return ret;
- sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
- sdata->u.mgd.flags &= ~IEEE80211_STA_EXT_SME;
- sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
- if (ret != -EALREADY)
- ieee80211_sta_req_auth(sdata);
- return 0;
- }
-
- return -EOPNOTSUPP;
-}
-
-static int ieee80211_ioctl_siwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_channel *chan;
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
- else if (sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
-
- /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
- if (freq->e == 0) {
- if (freq->m < 0) {
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->u.mgd.flags |=
- IEEE80211_STA_AUTO_CHANNEL_SEL;
- return 0;
- } else
- chan = ieee80211_get_channel(local->hw.wiphy,
- ieee80211_channel_to_frequency(freq->m));
- } else {
- int i, div = 1000000;
- for (i = 0; i < freq->e; i++)
- div /= 10;
- if (div <= 0)
- return -EINVAL;
- chan = ieee80211_get_channel(local->hw.wiphy, freq->m / div);
- }
-
- if (!chan)
- return -EINVAL;
-
- if (chan->flags & IEEE80211_CHAN_DISABLED)
- return -EINVAL;
-
- /*
- * no change except maybe auto -> fixed, ignore the HT
- * setting so you can fix a channel you're on already
- */
- if (local->oper_channel == chan)
- return 0;
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- ieee80211_sta_req_auth(sdata);
-
- local->oper_channel = chan;
- local->oper_channel_type = NL80211_CHAN_NO_HT;
- ieee80211_hw_config(local, 0);
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_giwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
-
- freq->m = local->oper_channel->center_freq;
- freq->e = 6;
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_siwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- size_t len = data->length;
- int ret;
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
-
- /* iwconfig uses nul termination in SSID.. */
- if (len > 0 && ssid[len - 1] == '\0')
- len--;
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (data->flags)
- sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
- else
- sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
-
- ret = ieee80211_sta_set_ssid(sdata, ssid, len);
- if (ret)
- return ret;
-
- sdata->u.mgd.flags &= ~IEEE80211_STA_EXT_SME;
- sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
- ieee80211_sta_req_auth(sdata);
- return 0;
- }
-
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_giwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid)
-{
- size_t len;
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
- if (res == 0) {
- data->length = len;
- data->flags = 1;
- } else
- data->flags = 0;
- return res;
- }
-
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_siwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- int ret;
-
- if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
- sdata->u.mgd.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
- IEEE80211_STA_AUTO_CHANNEL_SEL;
- else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
- sdata->u.mgd.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
- else
- sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
- ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
- if (ret)
- return ret;
- sdata->u.mgd.flags &= ~IEEE80211_STA_EXT_SME;
- sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
- ieee80211_sta_req_auth(sdata);
- return 0;
- } else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
- /*
- * If it is necessary to update the WDS peer address
- * while the interface is running, then we need to do
- * more work here, namely if it is running we need to
- * add a new and remove the old STA entry, this is
- * normally handled by _open() and _stop().
- */
- if (netif_running(dev))
- return -EBUSY;
-
- memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
- ETH_ALEN);
-
- return 0;
- }
-
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_giwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (sdata->u.mgd.state == IEEE80211_STA_MLME_ASSOCIATED) {
- ap_addr->sa_family = ARPHRD_ETHER;
- memcpy(&ap_addr->sa_data, sdata->u.mgd.bssid, ETH_ALEN);
- } else
- memset(&ap_addr->sa_data, 0, ETH_ALEN);
- return 0;
- } else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
- ap_addr->sa_family = ARPHRD_ETHER;
- memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
- return 0;
- }
-
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_siwrate(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rate, char *extra)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- int i, err = -EINVAL;
- u32 target_rate = rate->value / 100000;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_supported_band *sband;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
- /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
- * target_rate = X, rate->fixed = 1 means only rate X
- * target_rate = X, rate->fixed = 0 means all rates <= X */
- sdata->max_ratectrl_rateidx = -1;
- sdata->force_unicast_rateidx = -1;
- if (rate->value < 0)
- return 0;
-
- for (i=0; i< sband->n_bitrates; i++) {
- struct ieee80211_rate *brate = &sband->bitrates[i];
- int this_rate = brate->bitrate;
-
- if (target_rate == this_rate) {
- sdata->max_ratectrl_rateidx = i;
- if (rate->fixed)
- sdata->force_unicast_rateidx = i;
- err = 0;
- break;
- }
- }
- return err;
-}
-
-static int ieee80211_ioctl_giwrate(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rate, char *extra)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct sta_info *sta;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_supported_band *sband;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type != NL80211_IFTYPE_STATION)
- return -EOPNOTSUPP;
-
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
- rcu_read_lock();
-
- sta = sta_info_get(local, sdata->u.mgd.bssid);
-
- if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
- rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
- else
- rate->value = 0;
-
- rcu_read_unlock();
-
- if (!sta)
- return -ENODEV;
-
- rate->value *= 100000;
-
- return 0;
-}
-
-static int ieee80211_ioctl_siwpower(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *wrq,
- char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_conf *conf = &local->hw.conf;
- int timeout = 0;
- bool ps;
-
- if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
- return -EOPNOTSUPP;
-
- if (sdata->vif.type != NL80211_IFTYPE_STATION)
- return -EINVAL;
-
- if (wrq->disabled) {
- ps = false;
- timeout = 0;
- goto set;
- }
-
- switch (wrq->flags & IW_POWER_MODE) {
- case IW_POWER_ON: /* If not specified */
- case IW_POWER_MODE: /* If set all mask */
- case IW_POWER_ALL_R: /* If explicitely state all */
- ps = true;
- break;
- default: /* Otherwise we ignore */
- return -EINVAL;
- }
-
- if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
- return -EINVAL;
-
- if (wrq->flags & IW_POWER_TIMEOUT)
- timeout = wrq->value / 1000;
-
- set:
- if (ps == sdata->u.mgd.powersave && timeout == conf->dynamic_ps_timeout)
- return 0;
-
- sdata->u.mgd.powersave = ps;
- conf->dynamic_ps_timeout = timeout;
-
- if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
-
- ieee80211_recalc_ps(local, -1);
-
- return 0;
-}
-
-static int ieee80211_ioctl_giwpower(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu,
- char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- wrqu->power.disabled = !sdata->u.mgd.powersave;
-
- return 0;
-}
-
-static int ieee80211_ioctl_siwauth(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *data, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- int ret = 0;
-
- switch (data->flags & IW_AUTH_INDEX) {
- case IW_AUTH_WPA_VERSION:
- case IW_AUTH_CIPHER_GROUP:
- case IW_AUTH_WPA_ENABLED:
- case IW_AUTH_RX_UNENCRYPTED_EAPOL:
- case IW_AUTH_KEY_MGMT:
- case IW_AUTH_CIPHER_GROUP_MGMT:
- break;
- case IW_AUTH_CIPHER_PAIRWISE:
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (data->value & (IW_AUTH_CIPHER_WEP40 |
- IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_TKIP))
- sdata->u.mgd.flags |=
- IEEE80211_STA_TKIP_WEP_USED;
- else
- sdata->u.mgd.flags &=
- ~IEEE80211_STA_TKIP_WEP_USED;
- }
- break;
- case IW_AUTH_DROP_UNENCRYPTED:
- sdata->drop_unencrypted = !!data->value;
- break;
- case IW_AUTH_PRIVACY_INVOKED:
- if (sdata->vif.type != NL80211_IFTYPE_STATION)
- ret = -EINVAL;
- else {
- sdata->u.mgd.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
- /*
- * Privacy invoked by wpa_supplicant, store the
- * value and allow associating to a protected
- * network without having a key up front.
- */
- if (data->value)
- sdata->u.mgd.flags |=
- IEEE80211_STA_PRIVACY_INVOKED;
- }
- break;
- case IW_AUTH_80211_AUTH_ALG:
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->u.mgd.auth_algs = data->value;
- else
- ret = -EOPNOTSUPP;
- break;
- case IW_AUTH_MFP:
- if (!(sdata->local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) {
- ret = -EOPNOTSUPP;
- break;
- }
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- switch (data->value) {
- case IW_AUTH_MFP_DISABLED:
- sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
- break;
- case IW_AUTH_MFP_OPTIONAL:
- sdata->u.mgd.mfp = IEEE80211_MFP_OPTIONAL;
- break;
- case IW_AUTH_MFP_REQUIRED:
- sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
- break;
- default:
- ret = -EINVAL;
- }
- } else
- ret = -EOPNOTSUPP;
- break;
- default:
- ret = -EOPNOTSUPP;
- break;
- }
- return ret;
-}
-
-/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
-static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct iw_statistics *wstats = &local->wstats;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct sta_info *sta = NULL;
-
- rcu_read_lock();
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- sta = sta_info_get(local, sdata->u.mgd.bssid);
-
- if (!sta) {
- wstats->discard.fragment = 0;
- wstats->discard.misc = 0;
- wstats->qual.qual = 0;
- wstats->qual.level = 0;
- wstats->qual.noise = 0;
- wstats->qual.updated = IW_QUAL_ALL_INVALID;
- } else {
- wstats->qual.updated = 0;
- /*
- * mirror what cfg80211 does for iwrange/scan results,
- * otherwise userspace gets confused.
- */
- if (local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC |
- IEEE80211_HW_SIGNAL_DBM)) {
- wstats->qual.updated |= IW_QUAL_LEVEL_UPDATED;
- wstats->qual.updated |= IW_QUAL_QUAL_UPDATED;
- } else {
- wstats->qual.updated |= IW_QUAL_LEVEL_INVALID;
- wstats->qual.updated |= IW_QUAL_QUAL_INVALID;
- }
-
- if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) {
- wstats->qual.level = sta->last_signal;
- wstats->qual.qual = sta->last_signal;
- } else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
- int sig = sta->last_signal;
-
- wstats->qual.updated |= IW_QUAL_DBM;
- wstats->qual.level = sig;
- if (sig < -110)
- sig = -110;
- else if (sig > -40)
- sig = -40;
- wstats->qual.qual = sig + 110;
- }
-
- if (local->hw.flags & IEEE80211_HW_NOISE_DBM) {
- /*
- * This assumes that if driver reports noise, it also
- * reports signal in dBm.
- */
- wstats->qual.noise = sta->last_noise;
- wstats->qual.updated |= IW_QUAL_NOISE_UPDATED;
- } else {
- wstats->qual.updated |= IW_QUAL_NOISE_INVALID;
- }
- }
-
- rcu_read_unlock();
-
- return wstats;
-}
-
-static int ieee80211_ioctl_giwauth(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *data, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- int ret = 0;
-
- switch (data->flags & IW_AUTH_INDEX) {
- case IW_AUTH_80211_AUTH_ALG:
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- data->value = sdata->u.mgd.auth_algs;
- else
- ret = -EOPNOTSUPP;
- break;
- default:
- ret = -EOPNOTSUPP;
- break;
- }
- return ret;
-}
-
-
-/* Structures to export the Wireless Handlers */
-
-static const iw_handler ieee80211_handler[] =
-{
- (iw_handler) NULL, /* SIOCSIWCOMMIT */
- (iw_handler) cfg80211_wext_giwname, /* SIOCGIWNAME */
- (iw_handler) NULL, /* SIOCSIWNWID */
- (iw_handler) NULL, /* SIOCGIWNWID */
- (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
- (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
- (iw_handler) cfg80211_wext_siwmode, /* SIOCSIWMODE */
- (iw_handler) cfg80211_wext_giwmode, /* SIOCGIWMODE */
- (iw_handler) NULL, /* SIOCSIWSENS */
- (iw_handler) NULL, /* SIOCGIWSENS */
- (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
- (iw_handler) cfg80211_wext_giwrange, /* SIOCGIWRANGE */
- (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
- (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
- (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
- (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
- (iw_handler) NULL, /* SIOCSIWSPY */
- (iw_handler) NULL, /* SIOCGIWSPY */
- (iw_handler) NULL, /* SIOCSIWTHRSPY */
- (iw_handler) NULL, /* SIOCGIWTHRSPY */
- (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
- (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
- (iw_handler) cfg80211_wext_siwmlme, /* SIOCSIWMLME */
- (iw_handler) NULL, /* SIOCGIWAPLIST */
- (iw_handler) cfg80211_wext_siwscan, /* SIOCSIWSCAN */
- (iw_handler) cfg80211_wext_giwscan, /* SIOCGIWSCAN */
- (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
- (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
- (iw_handler) NULL, /* SIOCSIWNICKN */
- (iw_handler) NULL, /* SIOCGIWNICKN */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
- (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
- (iw_handler) cfg80211_wext_siwrts, /* SIOCSIWRTS */
- (iw_handler) cfg80211_wext_giwrts, /* SIOCGIWRTS */
- (iw_handler) cfg80211_wext_siwfrag, /* SIOCSIWFRAG */
- (iw_handler) cfg80211_wext_giwfrag, /* SIOCGIWFRAG */
- (iw_handler) cfg80211_wext_siwtxpower, /* SIOCSIWTXPOW */
- (iw_handler) cfg80211_wext_giwtxpower, /* SIOCGIWTXPOW */
- (iw_handler) cfg80211_wext_siwretry, /* SIOCSIWRETRY */
- (iw_handler) cfg80211_wext_giwretry, /* SIOCGIWRETRY */
- (iw_handler) cfg80211_wext_siwencode, /* SIOCSIWENCODE */
- (iw_handler) cfg80211_wext_giwencode, /* SIOCGIWENCODE */
- (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
- (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
- (iw_handler) NULL, /* SIOCGIWGENIE */
- (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
- (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
- (iw_handler) cfg80211_wext_siwencodeext, /* SIOCSIWENCODEEXT */
- (iw_handler) NULL, /* SIOCGIWENCODEEXT */
- (iw_handler) NULL, /* SIOCSIWPMKSA */
- (iw_handler) NULL, /* -- hole -- */
-};
-
-const struct iw_handler_def ieee80211_iw_handler_def =
-{
- .num_standard = ARRAY_SIZE(ieee80211_handler),
- .standard = (iw_handler *) ieee80211_handler,
- .get_wireless_stats = ieee80211_get_wireless_stats,
-};
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 116a923b14d..b19b7696f3a 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -85,10 +85,8 @@ static u16 classify80211(struct ieee80211_local *local, struct sk_buff *skb)
return ieee802_1d_to_ac[skb->priority];
}
-u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
+void ieee80211_select_queue(struct ieee80211_local *local, struct sk_buff *skb)
{
- struct ieee80211_master_priv *mpriv = netdev_priv(dev);
- struct ieee80211_local *local = mpriv->local;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
u16 queue;
u8 tid;
@@ -113,5 +111,5 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
*p = 0;
}
- return queue;
+ skb_set_queue_mapping(skb, queue);
}
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index 7520d2e014d..d4fd87ca511 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -20,6 +20,7 @@
extern const int ieee802_1d_to_ac[8];
-u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb);
+void ieee80211_select_queue(struct ieee80211_local *local,
+ struct sk_buff *skb);
#endif /* _WME_H */
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index dcfae8884b8..70778694877 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -122,7 +122,8 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
return RX_DROP_UNUSABLE;
mac80211_ev_michael_mic_failure(rx->sdata, rx->key->conf.keyidx,
- (void *) skb->data, NULL);
+ (void *) skb->data, NULL,
+ GFP_ATOMIC);
return RX_DROP_UNUSABLE;
}
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 201b8ea3020..3c7e42735b6 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -18,6 +18,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
@@ -262,12 +265,12 @@ static inline void vs_fix_seq(const struct ip_vs_seq *vseq, struct tcphdr *th)
if (vseq->delta || vseq->previous_delta) {
if(after(seq, vseq->init_seq)) {
th->seq = htonl(seq + vseq->delta);
- IP_VS_DBG(9, "vs_fix_seq(): added delta (%d) to seq\n",
- vseq->delta);
+ IP_VS_DBG(9, "%s(): added delta (%d) to seq\n",
+ __func__, vseq->delta);
} else {
th->seq = htonl(seq + vseq->previous_delta);
- IP_VS_DBG(9, "vs_fix_seq(): added previous_delta "
- "(%d) to seq\n", vseq->previous_delta);
+ IP_VS_DBG(9, "%s(): added previous_delta (%d) to seq\n",
+ __func__, vseq->previous_delta);
}
}
}
@@ -291,14 +294,14 @@ vs_fix_ack_seq(const struct ip_vs_seq *vseq, struct tcphdr *th)
to receive next, so compare it with init_seq+delta */
if(after(ack_seq, vseq->init_seq+vseq->delta)) {
th->ack_seq = htonl(ack_seq - vseq->delta);
- IP_VS_DBG(9, "vs_fix_ack_seq(): subtracted delta "
- "(%d) from ack_seq\n", vseq->delta);
+ IP_VS_DBG(9, "%s(): subtracted delta "
+ "(%d) from ack_seq\n", __func__, vseq->delta);
} else {
th->ack_seq = htonl(ack_seq - vseq->previous_delta);
- IP_VS_DBG(9, "vs_fix_ack_seq(): subtracted "
+ IP_VS_DBG(9, "%s(): subtracted "
"previous_delta (%d) from ack_seq\n",
- vseq->previous_delta);
+ __func__, vseq->previous_delta);
}
}
}
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 77bfdfeb966..27c30cf933d 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -22,6 +22,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/interrupt.h>
#include <linux/in.h>
#include <linux/net.h>
@@ -150,8 +153,8 @@ static inline int ip_vs_conn_hash(struct ip_vs_conn *cp)
atomic_inc(&cp->refcnt);
ret = 1;
} else {
- IP_VS_ERR("ip_vs_conn_hash(): request for already hashed, "
- "called from %p\n", __builtin_return_address(0));
+ pr_err("%s(): request for already hashed, called from %pF\n",
+ __func__, __builtin_return_address(0));
ret = 0;
}
@@ -689,7 +692,7 @@ ip_vs_conn_new(int af, int proto, const union nf_inet_addr *caddr, __be16 cport,
cp = kmem_cache_zalloc(ip_vs_conn_cachep, GFP_ATOMIC);
if (cp == NULL) {
- IP_VS_ERR_RL("ip_vs_conn_new: no memory available.\n");
+ IP_VS_ERR_RL("%s(): no memory\n", __func__);
return NULL;
}
@@ -1073,10 +1076,10 @@ int __init ip_vs_conn_init(void)
return -ENOMEM;
}
- IP_VS_INFO("Connection hash table configured "
- "(size=%d, memory=%ldKbytes)\n",
- IP_VS_CONN_TAB_SIZE,
- (long)(IP_VS_CONN_TAB_SIZE*sizeof(struct list_head))/1024);
+ pr_info("Connection hash table configured "
+ "(size=%d, memory=%ldKbytes)\n",
+ IP_VS_CONN_TAB_SIZE,
+ (long)(IP_VS_CONN_TAB_SIZE*sizeof(struct list_head))/1024);
IP_VS_DBG(0, "Each connection entry needs %Zd bytes at least\n",
sizeof(struct ip_vs_conn));
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 8dddb17a947..b227750af75 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -24,6 +24,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/ip.h>
@@ -388,9 +391,9 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
*/
if (!svc->fwmark && pptr[1] != svc->port) {
if (!svc->port)
- IP_VS_ERR("Schedule: port zero only supported "
- "in persistent services, "
- "check your ipvs configuration\n");
+ pr_err("Schedule: port zero only supported "
+ "in persistent services, "
+ "check your ipvs configuration\n");
return NULL;
}
@@ -462,7 +465,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
ip_vs_service_put(svc);
/* create a new connection entry */
- IP_VS_DBG(6, "ip_vs_leave: create a cache_bypass entry\n");
+ IP_VS_DBG(6, "%s(): create a cache_bypass entry\n", __func__);
cp = ip_vs_conn_new(svc->af, iph.protocol,
&iph.saddr, pptr[0],
&iph.daddr, pptr[1],
@@ -664,8 +667,8 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
unsigned int verdict = NF_DROP;
if (IP_VS_FWD_METHOD(cp) != 0) {
- IP_VS_ERR("shouldn't reach here, because the box is on the "
- "half connection in the tun/dr module.\n");
+ pr_err("shouldn't reach here, because the box is on the "
+ "half connection in the tun/dr module.\n");
}
/* Ensure the checksum is correct */
@@ -1487,7 +1490,7 @@ static int __init ip_vs_init(void)
ret = ip_vs_control_init();
if (ret < 0) {
- IP_VS_ERR("can't setup control.\n");
+ pr_err("can't setup control.\n");
goto cleanup_estimator;
}
@@ -1495,23 +1498,23 @@ static int __init ip_vs_init(void)
ret = ip_vs_app_init();
if (ret < 0) {
- IP_VS_ERR("can't setup application helper.\n");
+ pr_err("can't setup application helper.\n");
goto cleanup_protocol;
}
ret = ip_vs_conn_init();
if (ret < 0) {
- IP_VS_ERR("can't setup connection table.\n");
+ pr_err("can't setup connection table.\n");
goto cleanup_app;
}
ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
if (ret < 0) {
- IP_VS_ERR("can't register hooks.\n");
+ pr_err("can't register hooks.\n");
goto cleanup_conn;
}
- IP_VS_INFO("ipvs loaded.\n");
+ pr_info("ipvs loaded.\n");
return ret;
cleanup_conn:
@@ -1534,7 +1537,7 @@ static void __exit ip_vs_cleanup(void)
ip_vs_protocol_cleanup();
ip_vs_control_cleanup();
ip_vs_estimator_cleanup();
- IP_VS_INFO("ipvs unloaded.\n");
+ pr_info("ipvs unloaded.\n");
}
module_init(ip_vs_init);
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 7c1333c67ff..fba2892b99e 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -18,6 +18,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
@@ -340,8 +343,8 @@ static int ip_vs_svc_hash(struct ip_vs_service *svc)
unsigned hash;
if (svc->flags & IP_VS_SVC_F_HASHED) {
- IP_VS_ERR("ip_vs_svc_hash(): request for already hashed, "
- "called from %p\n", __builtin_return_address(0));
+ pr_err("%s(): request for already hashed, called from %pF\n",
+ __func__, __builtin_return_address(0));
return 0;
}
@@ -374,8 +377,8 @@ static int ip_vs_svc_hash(struct ip_vs_service *svc)
static int ip_vs_svc_unhash(struct ip_vs_service *svc)
{
if (!(svc->flags & IP_VS_SVC_F_HASHED)) {
- IP_VS_ERR("ip_vs_svc_unhash(): request for unhash flagged, "
- "called from %p\n", __builtin_return_address(0));
+ pr_err("%s(): request for unhash flagged, called from %pF\n",
+ __func__, __builtin_return_address(0));
return 0;
}
@@ -841,7 +844,7 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
dest = kzalloc(sizeof(struct ip_vs_dest), GFP_ATOMIC);
if (dest == NULL) {
- IP_VS_ERR("ip_vs_new_dest: kmalloc failed.\n");
+ pr_err("%s(): no memory.\n", __func__);
return -ENOMEM;
}
@@ -885,13 +888,13 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
EnterFunction(2);
if (udest->weight < 0) {
- IP_VS_ERR("ip_vs_add_dest(): server weight less than zero\n");
+ pr_err("%s(): server weight less than zero\n", __func__);
return -ERANGE;
}
if (udest->l_threshold > udest->u_threshold) {
- IP_VS_ERR("ip_vs_add_dest(): lower threshold is higher than "
- "upper threshold\n");
+ pr_err("%s(): lower threshold is higher than upper threshold\n",
+ __func__);
return -ERANGE;
}
@@ -903,7 +906,7 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
dest = ip_vs_lookup_dest(svc, &daddr, dport);
if (dest != NULL) {
- IP_VS_DBG(1, "ip_vs_add_dest(): dest already exists\n");
+ IP_VS_DBG(1, "%s(): dest already exists\n", __func__);
return -EEXIST;
}
@@ -997,13 +1000,13 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
EnterFunction(2);
if (udest->weight < 0) {
- IP_VS_ERR("ip_vs_edit_dest(): server weight less than zero\n");
+ pr_err("%s(): server weight less than zero\n", __func__);
return -ERANGE;
}
if (udest->l_threshold > udest->u_threshold) {
- IP_VS_ERR("ip_vs_edit_dest(): lower threshold is higher than "
- "upper threshold\n");
+ pr_err("%s(): lower threshold is higher than upper threshold\n",
+ __func__);
return -ERANGE;
}
@@ -1015,7 +1018,7 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
dest = ip_vs_lookup_dest(svc, &daddr, dport);
if (dest == NULL) {
- IP_VS_DBG(1, "ip_vs_edit_dest(): dest doesn't exist\n");
+ IP_VS_DBG(1, "%s(): dest doesn't exist\n", __func__);
return -ENOENT;
}
@@ -1115,7 +1118,7 @@ ip_vs_del_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
dest = ip_vs_lookup_dest(svc, &udest->addr, dport);
if (dest == NULL) {
- IP_VS_DBG(1, "ip_vs_del_dest(): destination not found!\n");
+ IP_VS_DBG(1, "%s(): destination not found!\n", __func__);
return -ENOENT;
}
@@ -1161,8 +1164,7 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
/* Lookup the scheduler by 'u->sched_name' */
sched = ip_vs_scheduler_get(u->sched_name);
if (sched == NULL) {
- IP_VS_INFO("Scheduler module ip_vs_%s not found\n",
- u->sched_name);
+ pr_info("Scheduler module ip_vs_%s not found\n", u->sched_name);
ret = -ENOENT;
goto out_mod_dec;
}
@@ -1176,7 +1178,7 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
svc = kzalloc(sizeof(struct ip_vs_service), GFP_ATOMIC);
if (svc == NULL) {
- IP_VS_DBG(1, "ip_vs_add_service: kmalloc failed.\n");
+ IP_VS_DBG(1, "%s(): no memory\n", __func__);
ret = -ENOMEM;
goto out_err;
}
@@ -1259,8 +1261,7 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u)
*/
sched = ip_vs_scheduler_get(u->sched_name);
if (sched == NULL) {
- IP_VS_INFO("Scheduler module ip_vs_%s not found\n",
- u->sched_name);
+ pr_info("Scheduler module ip_vs_%s not found\n", u->sched_name);
return -ENOENT;
}
old_sched = sched;
@@ -2077,8 +2078,8 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
return -EPERM;
if (len != set_arglen[SET_CMDID(cmd)]) {
- IP_VS_ERR("set_ctl: len %u != %u\n",
- len, set_arglen[SET_CMDID(cmd)]);
+ pr_err("set_ctl: len %u != %u\n",
+ len, set_arglen[SET_CMDID(cmd)]);
return -EINVAL;
}
@@ -2129,9 +2130,9 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
/* Check for valid protocol: TCP or UDP, even for fwmark!=0 */
if (usvc.protocol != IPPROTO_TCP && usvc.protocol != IPPROTO_UDP) {
- IP_VS_ERR("set_ctl: invalid protocol: %d %pI4:%d %s\n",
- usvc.protocol, &usvc.addr.ip,
- ntohs(usvc.port), usvc.sched_name);
+ pr_err("set_ctl: invalid protocol: %d %pI4:%d %s\n",
+ usvc.protocol, &usvc.addr.ip,
+ ntohs(usvc.port), usvc.sched_name);
ret = -EFAULT;
goto out_unlock;
}
@@ -2356,8 +2357,8 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
return -EPERM;
if (*len < get_arglen[GET_CMDID(cmd)]) {
- IP_VS_ERR("get_ctl: len %u < %u\n",
- *len, get_arglen[GET_CMDID(cmd)]);
+ pr_err("get_ctl: len %u < %u\n",
+ *len, get_arglen[GET_CMDID(cmd)]);
return -EINVAL;
}
@@ -2402,7 +2403,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
size = sizeof(*get) +
sizeof(struct ip_vs_service_entry) * get->num_services;
if (*len != size) {
- IP_VS_ERR("length: %u != %u\n", *len, size);
+ pr_err("length: %u != %u\n", *len, size);
ret = -EINVAL;
goto out;
}
@@ -2442,7 +2443,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
size = sizeof(*get) +
sizeof(struct ip_vs_dest_entry) * get->num_dests;
if (*len != size) {
- IP_VS_ERR("length: %u != %u\n", *len, size);
+ pr_err("length: %u != %u\n", *len, size);
ret = -EINVAL;
goto out;
}
@@ -3170,7 +3171,7 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
else if (cmd == IPVS_CMD_GET_CONFIG)
reply_cmd = IPVS_CMD_SET_CONFIG;
else {
- IP_VS_ERR("unknown Generic Netlink command\n");
+ pr_err("unknown Generic Netlink command\n");
return -EINVAL;
}
@@ -3231,11 +3232,11 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
}
genlmsg_end(msg, reply);
- ret = genlmsg_unicast(msg, info->snd_pid);
+ ret = genlmsg_reply(msg, info);
goto out;
nla_put_failure:
- IP_VS_ERR("not enough space in Netlink message\n");
+ pr_err("not enough space in Netlink message\n");
ret = -EMSGSIZE;
out_err:
@@ -3366,13 +3367,13 @@ int __init ip_vs_control_init(void)
ret = nf_register_sockopt(&ip_vs_sockopts);
if (ret) {
- IP_VS_ERR("cannot register sockopt.\n");
+ pr_err("cannot register sockopt.\n");
return ret;
}
ret = ip_vs_genl_register();
if (ret) {
- IP_VS_ERR("cannot register Generic Netlink interface.\n");
+ pr_err("cannot register Generic Netlink interface.\n");
nf_unregister_sockopt(&ip_vs_sockopts);
return ret;
}
diff --git a/net/netfilter/ipvs/ip_vs_dh.c b/net/netfilter/ipvs/ip_vs_dh.c
index a9dac74bb13..fe3e18834b9 100644
--- a/net/netfilter/ipvs/ip_vs_dh.c
+++ b/net/netfilter/ipvs/ip_vs_dh.c
@@ -35,6 +35,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/ip.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -147,7 +150,7 @@ static int ip_vs_dh_init_svc(struct ip_vs_service *svc)
tbl = kmalloc(sizeof(struct ip_vs_dh_bucket)*IP_VS_DH_TAB_SIZE,
GFP_ATOMIC);
if (tbl == NULL) {
- IP_VS_ERR("ip_vs_dh_init_svc(): no memory\n");
+ pr_err("%s(): no memory\n", __func__);
return -ENOMEM;
}
svc->sched_data = tbl;
@@ -214,7 +217,7 @@ ip_vs_dh_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
ip_vs_fill_iphdr(svc->af, skb_network_header(skb), &iph);
- IP_VS_DBG(6, "ip_vs_dh_schedule(): Scheduling...\n");
+ IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
tbl = (struct ip_vs_dh_bucket *)svc->sched_data;
dest = ip_vs_dh_get(svc->af, tbl, &iph.daddr);
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index 2eb2860dabb..702b53ca937 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -11,6 +11,10 @@
* Changes:
*
*/
+
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/kernel.h>
#include <linux/jiffies.h>
#include <linux/slab.h>
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 428edbf481c..33e2c799cba 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -22,6 +22,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
@@ -382,8 +385,8 @@ static int __init ip_vs_ftp_init(void)
ret = register_ip_vs_app_inc(app, app->protocol, ports[i]);
if (ret)
break;
- IP_VS_INFO("%s: loaded support on port[%d] = %d\n",
- app->name, i, ports[i]);
+ pr_info("%s: loaded support on port[%d] = %d\n",
+ app->name, i, ports[i]);
}
if (ret)
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 3eb5e2660c4..c1757f3620c 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -39,6 +39,9 @@
* me to write this module.
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/ip.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -199,7 +202,7 @@ ip_vs_lblc_new(struct ip_vs_lblc_table *tbl, const union nf_inet_addr *daddr,
if (!en) {
en = kmalloc(sizeof(*en), GFP_ATOMIC);
if (!en) {
- IP_VS_ERR("ip_vs_lblc_new(): no memory\n");
+ pr_err("%s(): no memory\n", __func__);
return NULL;
}
@@ -332,7 +335,7 @@ static int ip_vs_lblc_init_svc(struct ip_vs_service *svc)
*/
tbl = kmalloc(sizeof(*tbl), GFP_ATOMIC);
if (tbl == NULL) {
- IP_VS_ERR("ip_vs_lblc_init_svc(): no memory\n");
+ pr_err("%s(): no memory\n", __func__);
return -ENOMEM;
}
svc->sched_data = tbl;
@@ -477,7 +480,7 @@ ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
ip_vs_fill_iphdr(svc->af, skb_network_header(skb), &iph);
- IP_VS_DBG(6, "ip_vs_lblc_schedule(): Scheduling...\n");
+ IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
/* First look in our cache */
read_lock(&svc->sched_lock);
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index c04ce56c7f0..715b57f9540 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -37,6 +37,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/ip.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -108,7 +111,7 @@ ip_vs_dest_set_insert(struct ip_vs_dest_set *set, struct ip_vs_dest *dest)
e = kmalloc(sizeof(*e), GFP_ATOMIC);
if (e == NULL) {
- IP_VS_ERR("ip_vs_dest_set_insert(): no memory\n");
+ pr_err("%s(): no memory\n", __func__);
return NULL;
}
@@ -202,8 +205,9 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set)
}
}
- IP_VS_DBG_BUF(6, "ip_vs_dest_set_min: server %s:%d "
+ IP_VS_DBG_BUF(6, "%s(): server %s:%d "
"activeconns %d refcnt %d weight %d overhead %d\n",
+ __func__,
IP_VS_DBG_ADDR(least->af, &least->addr),
ntohs(least->port),
atomic_read(&least->activeconns),
@@ -249,8 +253,9 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set)
}
}
- IP_VS_DBG_BUF(6, "ip_vs_dest_set_max: server %s:%d "
+ IP_VS_DBG_BUF(6, "%s(): server %s:%d "
"activeconns %d refcnt %d weight %d overhead %d\n",
+ __func__,
IP_VS_DBG_ADDR(most->af, &most->addr), ntohs(most->port),
atomic_read(&most->activeconns),
atomic_read(&most->refcnt),
@@ -374,7 +379,7 @@ ip_vs_lblcr_new(struct ip_vs_lblcr_table *tbl, const union nf_inet_addr *daddr,
if (!en) {
en = kmalloc(sizeof(*en), GFP_ATOMIC);
if (!en) {
- IP_VS_ERR("ip_vs_lblcr_new(): no memory\n");
+ pr_err("%s(): no memory\n", __func__);
return NULL;
}
@@ -508,7 +513,7 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc)
*/
tbl = kmalloc(sizeof(*tbl), GFP_ATOMIC);
if (tbl == NULL) {
- IP_VS_ERR("ip_vs_lblcr_init_svc(): no memory\n");
+ pr_err("%s(): no memory\n", __func__);
return -ENOMEM;
}
svc->sched_data = tbl;
@@ -654,7 +659,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
ip_vs_fill_iphdr(svc->af, skb_network_header(skb), &iph);
- IP_VS_DBG(6, "ip_vs_lblcr_schedule(): Scheduling...\n");
+ IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
/* First look in our cache */
read_lock(&svc->sched_lock);
diff --git a/net/netfilter/ipvs/ip_vs_lc.c b/net/netfilter/ipvs/ip_vs_lc.c
index d0dadc8a65f..4f69db1fac5 100644
--- a/net/netfilter/ipvs/ip_vs_lc.c
+++ b/net/netfilter/ipvs/ip_vs_lc.c
@@ -14,6 +14,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
@@ -44,7 +47,7 @@ ip_vs_lc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
struct ip_vs_dest *dest, *least = NULL;
unsigned int loh = 0, doh;
- IP_VS_DBG(6, "ip_vs_lc_schedule(): Scheduling...\n");
+ IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
/*
* Simply select the server with the least number of
diff --git a/net/netfilter/ipvs/ip_vs_nq.c b/net/netfilter/ipvs/ip_vs_nq.c
index 694952db502..c413e183082 100644
--- a/net/netfilter/ipvs/ip_vs_nq.c
+++ b/net/netfilter/ipvs/ip_vs_nq.c
@@ -31,6 +31,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
@@ -57,7 +60,7 @@ ip_vs_nq_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
struct ip_vs_dest *dest, *least = NULL;
unsigned int loh = 0, doh;
- IP_VS_DBG(6, "ip_vs_nq_schedule(): Scheduling...\n");
+ IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
/*
* We calculate the load of each dest server as follows:
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index a01520e3d6b..3e767167454 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -13,6 +13,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
@@ -124,7 +127,8 @@ ip_vs_create_timeout_table(int *table, int size)
* Set timeout value for state specified by name
*/
int
-ip_vs_set_state_timeout(int *table, int num, char **names, char *name, int to)
+ip_vs_set_state_timeout(int *table, int num, const char *const *names,
+ const char *name, int to)
{
int i;
@@ -181,7 +185,7 @@ ip_vs_tcpudp_debug_packet_v4(struct ip_vs_protocol *pp,
&ih->daddr, ntohs(pptr[1]));
}
- printk(KERN_DEBUG "IPVS: %s: %s\n", msg, buf);
+ pr_debug("%s: %s\n", msg, buf);
}
#ifdef CONFIG_IP_VS_IPV6
@@ -215,7 +219,7 @@ ip_vs_tcpudp_debug_packet_v6(struct ip_vs_protocol *pp,
&ih->daddr, ntohs(pptr[1]));
}
- printk(KERN_DEBUG "IPVS: %s: %s\n", msg, buf);
+ pr_debug("%s: %s\n", msg, buf);
}
#endif
@@ -259,7 +263,7 @@ int __init ip_vs_protocol_init(void)
#ifdef CONFIG_IP_VS_PROTO_ESP
REGISTER_PROTOCOL(&ip_vs_protocol_esp);
#endif
- IP_VS_INFO("Registered protocols (%s)\n", &protocols[2]);
+ pr_info("Registered protocols (%s)\n", &protocols[2]);
return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
index 79f56c1e7c1..c30b43c36cd 100644
--- a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
@@ -10,6 +10,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/module.h>
@@ -138,7 +141,7 @@ ah_esp_debug_packet_v4(struct ip_vs_protocol *pp, const struct sk_buff *skb,
sprintf(buf, "%s %pI4->%pI4",
pp->name, &ih->saddr, &ih->daddr);
- printk(KERN_DEBUG "IPVS: %s: %s\n", msg, buf);
+ pr_debug("%s: %s\n", msg, buf);
}
#ifdef CONFIG_IP_VS_IPV6
@@ -156,7 +159,7 @@ ah_esp_debug_packet_v6(struct ip_vs_protocol *pp, const struct sk_buff *skb,
sprintf(buf, "%s %pI6->%pI6",
pp->name, &ih->saddr, &ih->daddr);
- printk(KERN_DEBUG "IPVS: %s: %s\n", msg, buf);
+ pr_debug("%s: %s\n", msg, buf);
}
#endif
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index 8cba4180285..91d28e07374 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -13,6 +13,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/kernel.h>
#include <linux/ip.h>
#include <linux/tcp.h> /* for tcphdr */
@@ -374,7 +377,7 @@ static int tcp_timeouts[IP_VS_TCP_S_LAST+1] = {
[IP_VS_TCP_S_LAST] = 2*HZ,
};
-static char * tcp_state_name_table[IP_VS_TCP_S_LAST+1] = {
+static const char *const tcp_state_name_table[IP_VS_TCP_S_LAST+1] = {
[IP_VS_TCP_S_NONE] = "NONE",
[IP_VS_TCP_S_ESTABLISHED] = "ESTABLISHED",
[IP_VS_TCP_S_SYN_SENT] = "SYN_SENT",
@@ -661,7 +664,7 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
break;
spin_unlock(&tcp_app_lock);
- IP_VS_DBG_BUF(9, "%s: Binding conn %s:%u->"
+ IP_VS_DBG_BUF(9, "%s(): Binding conn %s:%u->"
"%s:%u to app %s on port %u\n",
__func__,
IP_VS_DBG_ADDR(cp->af, &cp->caddr),
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index d2930a71084..e7a6885e016 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -13,6 +13,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/kernel.h>
@@ -442,7 +445,7 @@ static int udp_app_conn_bind(struct ip_vs_conn *cp)
break;
spin_unlock(&udp_app_lock);
- IP_VS_DBG_BUF(9, "%s: Binding conn %s:%u->"
+ IP_VS_DBG_BUF(9, "%s(): Binding conn %s:%u->"
"%s:%u to app %s on port %u\n",
__func__,
IP_VS_DBG_ADDR(cp->af, &cp->caddr),
@@ -469,7 +472,7 @@ static int udp_timeouts[IP_VS_UDP_S_LAST+1] = {
[IP_VS_UDP_S_LAST] = 2*HZ,
};
-static char * udp_state_name_table[IP_VS_UDP_S_LAST+1] = {
+static const char *const udp_state_name_table[IP_VS_UDP_S_LAST+1] = {
[IP_VS_UDP_S_NORMAL] = "UDP",
[IP_VS_UDP_S_LAST] = "BUG!",
};
diff --git a/net/netfilter/ipvs/ip_vs_rr.c b/net/netfilter/ipvs/ip_vs_rr.c
index 2d16ab7f8c1..e210f37d8ea 100644
--- a/net/netfilter/ipvs/ip_vs_rr.c
+++ b/net/netfilter/ipvs/ip_vs_rr.c
@@ -19,6 +19,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
@@ -48,7 +51,7 @@ ip_vs_rr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
struct list_head *p, *q;
struct ip_vs_dest *dest;
- IP_VS_DBG(6, "ip_vs_rr_schedule(): Scheduling...\n");
+ IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
write_lock(&svc->sched_lock);
p = (struct list_head *)svc->sched_data;
diff --git a/net/netfilter/ipvs/ip_vs_sched.c b/net/netfilter/ipvs/ip_vs_sched.c
index a46ad9e3501..bbc1ac79595 100644
--- a/net/netfilter/ipvs/ip_vs_sched.c
+++ b/net/netfilter/ipvs/ip_vs_sched.c
@@ -17,6 +17,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
@@ -44,11 +47,11 @@ int ip_vs_bind_scheduler(struct ip_vs_service *svc,
int ret;
if (svc == NULL) {
- IP_VS_ERR("ip_vs_bind_scheduler(): svc arg NULL\n");
+ pr_err("%s(): svc arg NULL\n", __func__);
return -EINVAL;
}
if (scheduler == NULL) {
- IP_VS_ERR("ip_vs_bind_scheduler(): scheduler arg NULL\n");
+ pr_err("%s(): scheduler arg NULL\n", __func__);
return -EINVAL;
}
@@ -57,7 +60,7 @@ int ip_vs_bind_scheduler(struct ip_vs_service *svc,
if (scheduler->init_service) {
ret = scheduler->init_service(svc);
if (ret) {
- IP_VS_ERR("ip_vs_bind_scheduler(): init error\n");
+ pr_err("%s(): init error\n", __func__);
return ret;
}
}
@@ -74,19 +77,19 @@ int ip_vs_unbind_scheduler(struct ip_vs_service *svc)
struct ip_vs_scheduler *sched;
if (svc == NULL) {
- IP_VS_ERR("ip_vs_unbind_scheduler(): svc arg NULL\n");
+ pr_err("%s(): svc arg NULL\n", __func__);
return -EINVAL;
}
sched = svc->scheduler;
if (sched == NULL) {
- IP_VS_ERR("ip_vs_unbind_scheduler(): svc isn't bound\n");
+ pr_err("%s(): svc isn't bound\n", __func__);
return -EINVAL;
}
if (sched->done_service) {
if (sched->done_service(svc) != 0) {
- IP_VS_ERR("ip_vs_unbind_scheduler(): done error\n");
+ pr_err("%s(): done error\n", __func__);
return -EINVAL;
}
}
@@ -103,8 +106,7 @@ static struct ip_vs_scheduler *ip_vs_sched_getbyname(const char *sched_name)
{
struct ip_vs_scheduler *sched;
- IP_VS_DBG(2, "ip_vs_sched_getbyname(): sched_name \"%s\"\n",
- sched_name);
+ IP_VS_DBG(2, "%s(): sched_name \"%s\"\n", __func__, sched_name);
read_lock_bh(&__ip_vs_sched_lock);
@@ -170,12 +172,12 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
struct ip_vs_scheduler *sched;
if (!scheduler) {
- IP_VS_ERR("register_ip_vs_scheduler(): NULL arg\n");
+ pr_err("%s(): NULL arg\n", __func__);
return -EINVAL;
}
if (!scheduler->name) {
- IP_VS_ERR("register_ip_vs_scheduler(): NULL scheduler_name\n");
+ pr_err("%s(): NULL scheduler_name\n", __func__);
return -EINVAL;
}
@@ -187,8 +189,8 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
if (!list_empty(&scheduler->n_list)) {
write_unlock_bh(&__ip_vs_sched_lock);
ip_vs_use_count_dec();
- IP_VS_ERR("register_ip_vs_scheduler(): [%s] scheduler "
- "already linked\n", scheduler->name);
+ pr_err("%s(): [%s] scheduler already linked\n",
+ __func__, scheduler->name);
return -EINVAL;
}
@@ -200,9 +202,8 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
if (strcmp(scheduler->name, sched->name) == 0) {
write_unlock_bh(&__ip_vs_sched_lock);
ip_vs_use_count_dec();
- IP_VS_ERR("register_ip_vs_scheduler(): [%s] scheduler "
- "already existed in the system\n",
- scheduler->name);
+ pr_err("%s(): [%s] scheduler already existed "
+ "in the system\n", __func__, scheduler->name);
return -EINVAL;
}
}
@@ -212,7 +213,7 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
list_add(&scheduler->n_list, &ip_vs_schedulers);
write_unlock_bh(&__ip_vs_sched_lock);
- IP_VS_INFO("[%s] scheduler registered.\n", scheduler->name);
+ pr_info("[%s] scheduler registered.\n", scheduler->name);
return 0;
}
@@ -224,15 +225,15 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
int unregister_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
{
if (!scheduler) {
- IP_VS_ERR( "unregister_ip_vs_scheduler(): NULL arg\n");
+ pr_err("%s(): NULL arg\n", __func__);
return -EINVAL;
}
write_lock_bh(&__ip_vs_sched_lock);
if (list_empty(&scheduler->n_list)) {
write_unlock_bh(&__ip_vs_sched_lock);
- IP_VS_ERR("unregister_ip_vs_scheduler(): [%s] scheduler "
- "is not in the list. failed\n", scheduler->name);
+ pr_err("%s(): [%s] scheduler is not in the list. failed\n",
+ __func__, scheduler->name);
return -EINVAL;
}
@@ -245,7 +246,7 @@ int unregister_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
/* decrease the module use count */
ip_vs_use_count_dec();
- IP_VS_INFO("[%s] scheduler unregistered.\n", scheduler->name);
+ pr_info("[%s] scheduler unregistered.\n", scheduler->name);
return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_sed.c b/net/netfilter/ipvs/ip_vs_sed.c
index 20e4657d2f3..1ab75a9dc40 100644
--- a/net/netfilter/ipvs/ip_vs_sed.c
+++ b/net/netfilter/ipvs/ip_vs_sed.c
@@ -35,6 +35,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
@@ -61,7 +64,7 @@ ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
struct ip_vs_dest *dest, *least;
unsigned int loh, doh;
- IP_VS_DBG(6, "ip_vs_sed_schedule(): Scheduling...\n");
+ IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
/*
* We calculate the load of each dest server as follows:
diff --git a/net/netfilter/ipvs/ip_vs_sh.c b/net/netfilter/ipvs/ip_vs_sh.c
index 75709ebeb63..8e6cfd36e6f 100644
--- a/net/netfilter/ipvs/ip_vs_sh.c
+++ b/net/netfilter/ipvs/ip_vs_sh.c
@@ -32,6 +32,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/ip.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -144,7 +147,7 @@ static int ip_vs_sh_init_svc(struct ip_vs_service *svc)
tbl = kmalloc(sizeof(struct ip_vs_sh_bucket)*IP_VS_SH_TAB_SIZE,
GFP_ATOMIC);
if (tbl == NULL) {
- IP_VS_ERR("ip_vs_sh_init_svc(): no memory\n");
+ pr_err("%s(): no memory\n", __func__);
return -ENOMEM;
}
svc->sched_data = tbl;
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 5c48378a852..e177f0dc208 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -17,6 +17,9 @@
* Justin Ossevoort : Fix endian problem on sync message size.
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/inetdevice.h>
@@ -243,7 +246,7 @@ void ip_vs_sync_conn(struct ip_vs_conn *cp)
if (!curr_sb) {
if (!(curr_sb=ip_vs_sync_buff_create())) {
spin_unlock(&curr_sb_lock);
- IP_VS_ERR("ip_vs_sync_buff_create failed.\n");
+ pr_err("ip_vs_sync_buff_create failed.\n");
return;
}
}
@@ -409,7 +412,7 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
if (dest)
atomic_dec(&dest->refcnt);
if (!cp) {
- IP_VS_ERR("ip_vs_conn_new failed\n");
+ pr_err("ip_vs_conn_new failed\n");
return;
}
} else if (!cp->dest) {
@@ -577,8 +580,8 @@ static int bind_mcastif_addr(struct socket *sock, char *ifname)
addr = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE);
if (!addr)
- IP_VS_ERR("You probably need to specify IP address on "
- "multicast interface.\n");
+ pr_err("You probably need to specify IP address on "
+ "multicast interface.\n");
IP_VS_DBG(7, "binding socket with (%s) %pI4\n",
ifname, &addr);
@@ -602,13 +605,13 @@ static struct socket * make_send_sock(void)
/* First create a socket */
result = sock_create_kern(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock);
if (result < 0) {
- IP_VS_ERR("Error during creation of socket; terminating\n");
+ pr_err("Error during creation of socket; terminating\n");
return ERR_PTR(result);
}
result = set_mcast_if(sock->sk, ip_vs_master_mcast_ifn);
if (result < 0) {
- IP_VS_ERR("Error setting outbound mcast interface\n");
+ pr_err("Error setting outbound mcast interface\n");
goto error;
}
@@ -617,14 +620,14 @@ static struct socket * make_send_sock(void)
result = bind_mcastif_addr(sock, ip_vs_master_mcast_ifn);
if (result < 0) {
- IP_VS_ERR("Error binding address of the mcast interface\n");
+ pr_err("Error binding address of the mcast interface\n");
goto error;
}
result = sock->ops->connect(sock, (struct sockaddr *) &mcast_addr,
sizeof(struct sockaddr), 0);
if (result < 0) {
- IP_VS_ERR("Error connecting to the multicast addr\n");
+ pr_err("Error connecting to the multicast addr\n");
goto error;
}
@@ -647,7 +650,7 @@ static struct socket * make_receive_sock(void)
/* First create a socket */
result = sock_create_kern(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock);
if (result < 0) {
- IP_VS_ERR("Error during creation of socket; terminating\n");
+ pr_err("Error during creation of socket; terminating\n");
return ERR_PTR(result);
}
@@ -657,7 +660,7 @@ static struct socket * make_receive_sock(void)
result = sock->ops->bind(sock, (struct sockaddr *) &mcast_addr,
sizeof(struct sockaddr));
if (result < 0) {
- IP_VS_ERR("Error binding to the multicast addr\n");
+ pr_err("Error binding to the multicast addr\n");
goto error;
}
@@ -666,7 +669,7 @@ static struct socket * make_receive_sock(void)
(struct in_addr *) &mcast_addr.sin_addr,
ip_vs_backup_mcast_ifn);
if (result < 0) {
- IP_VS_ERR("Error joining to the multicast group\n");
+ pr_err("Error joining to the multicast group\n");
goto error;
}
@@ -706,7 +709,7 @@ ip_vs_send_sync_msg(struct socket *sock, struct ip_vs_sync_mesg *msg)
msg->size = htons(msg->size);
if (ip_vs_send_async(sock, (char *)msg, msize) != msize)
- IP_VS_ERR("ip_vs_send_async error\n");
+ pr_err("ip_vs_send_async error\n");
}
static int
@@ -737,9 +740,9 @@ static int sync_thread_master(void *data)
struct ip_vs_sync_thread_data *tinfo = data;
struct ip_vs_sync_buff *sb;
- IP_VS_INFO("sync thread started: state = MASTER, mcast_ifn = %s, "
- "syncid = %d\n",
- ip_vs_master_mcast_ifn, ip_vs_master_syncid);
+ pr_info("sync thread started: state = MASTER, mcast_ifn = %s, "
+ "syncid = %d\n",
+ ip_vs_master_mcast_ifn, ip_vs_master_syncid);
while (!kthread_should_stop()) {
while ((sb = sb_dequeue())) {
@@ -780,9 +783,9 @@ static int sync_thread_backup(void *data)
struct ip_vs_sync_thread_data *tinfo = data;
int len;
- IP_VS_INFO("sync thread started: state = BACKUP, mcast_ifn = %s, "
- "syncid = %d\n",
- ip_vs_backup_mcast_ifn, ip_vs_backup_syncid);
+ pr_info("sync thread started: state = BACKUP, mcast_ifn = %s, "
+ "syncid = %d\n",
+ ip_vs_backup_mcast_ifn, ip_vs_backup_syncid);
while (!kthread_should_stop()) {
wait_event_interruptible(*tinfo->sock->sk->sk_sleep,
@@ -794,7 +797,7 @@ static int sync_thread_backup(void *data)
len = ip_vs_receive(tinfo->sock, tinfo->buf,
sync_recv_mesg_maxlen);
if (len <= 0) {
- IP_VS_ERR("receiving message error\n");
+ pr_err("receiving message error\n");
break;
}
@@ -824,7 +827,7 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
int (*threadfn)(void *data);
int result = -ENOMEM;
- IP_VS_DBG(7, "%s: pid %d\n", __func__, task_pid_nr(current));
+ IP_VS_DBG(7, "%s(): pid %d\n", __func__, task_pid_nr(current));
IP_VS_DBG(7, "Each ip_vs_sync_conn entry needs %Zd bytes\n",
sizeof(struct ip_vs_sync_conn));
@@ -901,14 +904,14 @@ out:
int stop_sync_thread(int state)
{
- IP_VS_DBG(7, "%s: pid %d\n", __func__, task_pid_nr(current));
+ IP_VS_DBG(7, "%s(): pid %d\n", __func__, task_pid_nr(current));
if (state == IP_VS_STATE_MASTER) {
if (!sync_master_thread)
return -ESRCH;
- IP_VS_INFO("stopping master sync thread %d ...\n",
- task_pid_nr(sync_master_thread));
+ pr_info("stopping master sync thread %d ...\n",
+ task_pid_nr(sync_master_thread));
/*
* The lock synchronizes with sb_queue_tail(), so that we don't
@@ -925,8 +928,8 @@ int stop_sync_thread(int state)
if (!sync_backup_thread)
return -ESRCH;
- IP_VS_INFO("stopping backup sync thread %d ...\n",
- task_pid_nr(sync_backup_thread));
+ pr_info("stopping backup sync thread %d ...\n",
+ task_pid_nr(sync_backup_thread));
ip_vs_sync_state &= ~IP_VS_STATE_BACKUP;
kthread_stop(sync_backup_thread);
diff --git a/net/netfilter/ipvs/ip_vs_wlc.c b/net/netfilter/ipvs/ip_vs_wlc.c
index 8e942565b47..bbddfdb10db 100644
--- a/net/netfilter/ipvs/ip_vs_wlc.c
+++ b/net/netfilter/ipvs/ip_vs_wlc.c
@@ -19,6 +19,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
diff --git a/net/netfilter/ipvs/ip_vs_wrr.c b/net/netfilter/ipvs/ip_vs_wrr.c
index f7d74ef1ecf..70ff82cda57 100644
--- a/net/netfilter/ipvs/ip_vs_wrr.c
+++ b/net/netfilter/ipvs/ip_vs_wrr.c
@@ -18,6 +18,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/net.h>
@@ -94,7 +97,7 @@ static int ip_vs_wrr_init_svc(struct ip_vs_service *svc)
*/
mark = kmalloc(sizeof(struct ip_vs_wrr_mark), GFP_ATOMIC);
if (mark == NULL) {
- IP_VS_ERR("ip_vs_wrr_init_svc(): no memory\n");
+ pr_err("%s(): no memory\n", __func__);
return -ENOMEM;
}
mark->cl = &svc->destinations;
@@ -141,7 +144,7 @@ ip_vs_wrr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
struct ip_vs_wrr_mark *mark = svc->sched_data;
struct list_head *p;
- IP_VS_DBG(6, "ip_vs_wrr_schedule(): Scheduling...\n");
+ IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
/*
* This loop will always terminate, because mark->cw in (0, max_weight]
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 5874657af7f..30b3189bd29 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -13,6 +13,9 @@
*
*/
+#define KMSG_COMPONENT "IPVS"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/kernel.h>
#include <linux/tcp.h> /* for tcphdr */
#include <net/ip.h>
@@ -235,8 +238,8 @@ ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
EnterFunction(10);
if (ip_route_output_key(&init_net, &rt, &fl)) {
- IP_VS_DBG_RL("ip_vs_bypass_xmit(): ip_route_output error, dest: %pI4\n",
- &iph->daddr);
+ IP_VS_DBG_RL("%s(): ip_route_output error, dest: %pI4\n",
+ __func__, &iph->daddr);
goto tx_error_icmp;
}
@@ -245,7 +248,7 @@ ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF))) {
ip_rt_put(rt);
icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
- IP_VS_DBG_RL("ip_vs_bypass_xmit(): frag needed\n");
+ IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error;
}
@@ -299,8 +302,8 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
rt = (struct rt6_info *)ip6_route_output(&init_net, NULL, &fl);
if (!rt) {
- IP_VS_DBG_RL("ip_vs_bypass_xmit_v6(): ip6_route_output error, dest: %pI6\n",
- &iph->daddr);
+ IP_VS_DBG_RL("%s(): ip6_route_output error, dest: %pI6\n",
+ __func__, &iph->daddr);
goto tx_error_icmp;
}
@@ -309,7 +312,7 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
if (skb->len > mtu) {
dst_release(&rt->u.dst);
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
- IP_VS_DBG_RL("ip_vs_bypass_xmit_v6(): frag needed\n");
+ IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error;
}
@@ -536,9 +539,9 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
EnterFunction(10);
if (skb->protocol != htons(ETH_P_IP)) {
- IP_VS_DBG_RL("ip_vs_tunnel_xmit(): protocol error, "
+ IP_VS_DBG_RL("%s(): protocol error, "
"ETH_P_IP: %d, skb protocol: %d\n",
- htons(ETH_P_IP), skb->protocol);
+ __func__, htons(ETH_P_IP), skb->protocol);
goto tx_error;
}
@@ -550,7 +553,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
if (mtu < 68) {
ip_rt_put(rt);
- IP_VS_DBG_RL("ip_vs_tunnel_xmit(): mtu less than 68\n");
+ IP_VS_DBG_RL("%s(): mtu less than 68\n", __func__);
goto tx_error;
}
if (skb_dst(skb))
@@ -562,7 +565,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
&& mtu < ntohs(old_iph->tot_len)) {
icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
ip_rt_put(rt);
- IP_VS_DBG_RL("ip_vs_tunnel_xmit(): frag needed\n");
+ IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error;
}
@@ -578,7 +581,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
if (!new_skb) {
ip_rt_put(rt);
kfree_skb(skb);
- IP_VS_ERR_RL("ip_vs_tunnel_xmit(): no memory\n");
+ IP_VS_ERR_RL("%s(): no memory\n", __func__);
return NF_STOLEN;
}
kfree_skb(skb);
@@ -646,9 +649,9 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
EnterFunction(10);
if (skb->protocol != htons(ETH_P_IPV6)) {
- IP_VS_DBG_RL("ip_vs_tunnel_xmit_v6(): protocol error, "
+ IP_VS_DBG_RL("%s(): protocol error, "
"ETH_P_IPV6: %d, skb protocol: %d\n",
- htons(ETH_P_IPV6), skb->protocol);
+ __func__, htons(ETH_P_IPV6), skb->protocol);
goto tx_error;
}
@@ -662,7 +665,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
/* TODO IPv6: do we need this check in IPv6? */
if (mtu < 1280) {
dst_release(&rt->u.dst);
- IP_VS_DBG_RL("ip_vs_tunnel_xmit_v6(): mtu less than 1280\n");
+ IP_VS_DBG_RL("%s(): mtu less than 1280\n", __func__);
goto tx_error;
}
if (skb_dst(skb))
@@ -671,7 +674,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
if (mtu < ntohs(old_iph->payload_len) + sizeof(struct ipv6hdr)) {
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
dst_release(&rt->u.dst);
- IP_VS_DBG_RL("ip_vs_tunnel_xmit_v6(): frag needed\n");
+ IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error;
}
@@ -687,7 +690,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
if (!new_skb) {
dst_release(&rt->u.dst);
kfree_skb(skb);
- IP_VS_ERR_RL("ip_vs_tunnel_xmit_v6(): no memory\n");
+ IP_VS_ERR_RL("%s(): no memory\n", __func__);
return NF_STOLEN;
}
kfree_skb(skb);
@@ -760,7 +763,7 @@ ip_vs_dr_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
if ((iph->frag_off & htons(IP_DF)) && skb->len > mtu) {
icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
ip_rt_put(rt);
- IP_VS_DBG_RL("ip_vs_dr_xmit(): frag needed\n");
+ IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error;
}
@@ -813,7 +816,7 @@ ip_vs_dr_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
if (skb->len > mtu) {
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
dst_release(&rt->u.dst);
- IP_VS_DBG_RL("ip_vs_dr_xmit_v6(): frag needed\n");
+ IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error;
}
@@ -888,7 +891,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
if ((skb->len > mtu) && (ip_hdr(skb)->frag_off & htons(IP_DF))) {
ip_rt_put(rt);
icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
- IP_VS_DBG_RL("ip_vs_in_icmp(): frag needed\n");
+ IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error;
}
@@ -963,7 +966,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
if (skb->len > mtu) {
dst_release(&rt->u.dst);
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
- IP_VS_DBG_RL("ip_vs_in_icmp(): frag needed\n");
+ IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error;
}
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 16e6c4378ff..6ce00205f34 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -185,8 +185,7 @@ int netlbl_cfg_unlbl_map_add(const char *domain,
return 0;
cfg_unlbl_map_add_failure:
- if (entry != NULL)
- kfree(entry->domain);
+ kfree(entry->domain);
kfree(entry);
kfree(addrmap);
kfree(map4);
@@ -385,8 +384,7 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
cfg_cipsov4_map_add_failure:
cipso_v4_doi_putdef(doi_def);
- if (entry != NULL)
- kfree(entry->domain);
+ kfree(entry->domain);
kfree(entry);
kfree(addrmap);
kfree(addrinfo);
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 2936fa3b6dc..da3163d15ef 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -83,6 +83,11 @@ struct netlink_sock {
struct module *module;
};
+struct listeners_rcu_head {
+ struct rcu_head rcu_head;
+ void *ptr;
+};
+
#define NETLINK_KERNEL_SOCKET 0x1
#define NETLINK_RECV_PKTINFO 0x2
#define NETLINK_BROADCAST_SEND_ERROR 0x4
@@ -1356,7 +1361,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock,
struct netlink_sock *nlk = nlk_sk(sk);
int noblock = flags&MSG_DONTWAIT;
size_t copied;
- struct sk_buff *skb;
+ struct sk_buff *skb, *frag __maybe_unused = NULL;
int err;
if (flags&MSG_OOB)
@@ -1368,6 +1373,35 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock,
if (skb == NULL)
goto out;
+#ifdef CONFIG_COMPAT_NETLINK_MESSAGES
+ if (unlikely(skb_shinfo(skb)->frag_list)) {
+ bool need_compat = !!(flags & MSG_CMSG_COMPAT);
+
+ /*
+ * If this skb has a frag_list, then here that means that
+ * we will have to use the frag_list skb for compat tasks
+ * and the regular skb for non-compat tasks.
+ *
+ * The skb might (and likely will) be cloned, so we can't
+ * just reset frag_list and go on with things -- we need to
+ * keep that. For the compat case that's easy -- simply get
+ * a reference to the compat skb and free the regular one
+ * including the frag. For the non-compat case, we need to
+ * avoid sending the frag to the user -- so assign NULL but
+ * restore it below before freeing the skb.
+ */
+ if (need_compat) {
+ struct sk_buff *compskb = skb_shinfo(skb)->frag_list;
+ skb_get(compskb);
+ kfree_skb(skb);
+ skb = compskb;
+ } else {
+ frag = skb_shinfo(skb)->frag_list;
+ skb_shinfo(skb)->frag_list = NULL;
+ }
+ }
+#endif
+
msg->msg_namelen = 0;
copied = skb->len;
@@ -1398,6 +1432,11 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock,
siocb->scm->creds = *NETLINK_CREDS(skb);
if (flags & MSG_TRUNC)
copied = skb->len;
+
+#ifdef CONFIG_COMPAT_NETLINK_MESSAGES
+ skb_shinfo(skb)->frag_list = frag;
+#endif
+
skb_free_datagram(sk, skb);
if (nlk->cb && atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2)
@@ -1453,7 +1492,8 @@ netlink_kernel_create(struct net *net, int unit, unsigned int groups,
if (groups < 32)
groups = 32;
- listeners = kzalloc(NLGRPSZ(groups), GFP_KERNEL);
+ listeners = kzalloc(NLGRPSZ(groups) + sizeof(struct listeners_rcu_head),
+ GFP_KERNEL);
if (!listeners)
goto out_sock_release;
@@ -1501,6 +1541,14 @@ netlink_kernel_release(struct sock *sk)
EXPORT_SYMBOL(netlink_kernel_release);
+static void netlink_free_old_listeners(struct rcu_head *rcu_head)
+{
+ struct listeners_rcu_head *lrh;
+
+ lrh = container_of(rcu_head, struct listeners_rcu_head, rcu_head);
+ kfree(lrh->ptr);
+}
+
/**
* netlink_change_ngroups - change number of multicast groups
*
@@ -1516,6 +1564,7 @@ EXPORT_SYMBOL(netlink_kernel_release);
int netlink_change_ngroups(struct sock *sk, unsigned int groups)
{
unsigned long *listeners, *old = NULL;
+ struct listeners_rcu_head *old_rcu_head;
struct netlink_table *tbl = &nl_table[sk->sk_protocol];
int err = 0;
@@ -1524,7 +1573,9 @@ int netlink_change_ngroups(struct sock *sk, unsigned int groups)
netlink_table_grab();
if (NLGRPSZ(tbl->groups) < NLGRPSZ(groups)) {
- listeners = kzalloc(NLGRPSZ(groups), GFP_ATOMIC);
+ listeners = kzalloc(NLGRPSZ(groups) +
+ sizeof(struct listeners_rcu_head),
+ GFP_ATOMIC);
if (!listeners) {
err = -ENOMEM;
goto out_ungrab;
@@ -1532,16 +1583,24 @@ int netlink_change_ngroups(struct sock *sk, unsigned int groups)
old = tbl->listeners;
memcpy(listeners, old, NLGRPSZ(tbl->groups));
rcu_assign_pointer(tbl->listeners, listeners);
+ /*
+ * Free the old memory after an RCU grace period so we
+ * don't leak it. We use call_rcu() here in order to be
+ * able to call this function from atomic contexts. The
+ * allocation of this memory will have reserved enough
+ * space for struct listeners_rcu_head at the end.
+ */
+ old_rcu_head = (void *)(tbl->listeners +
+ NLGRPLONGS(tbl->groups));
+ old_rcu_head->ptr = old;
+ call_rcu(&old_rcu_head->rcu_head, netlink_free_old_listeners);
}
tbl->groups = groups;
out_ungrab:
netlink_table_ungrab();
- synchronize_rcu();
- kfree(old);
return err;
}
-EXPORT_SYMBOL(netlink_change_ngroups);
/**
* netlink_clear_multicast_users - kick off multicast listeners
@@ -1564,7 +1623,6 @@ void netlink_clear_multicast_users(struct sock *ksk, unsigned int group)
netlink_table_ungrab();
}
-EXPORT_SYMBOL(netlink_clear_multicast_users);
void netlink_set_nonroot(int protocol, unsigned int flags)
{
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index eed4c6a8afc..575c6434150 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -18,8 +18,6 @@
#include <net/sock.h>
#include <net/genetlink.h>
-struct sock *genl_sock = NULL;
-
static DEFINE_MUTEX(genl_mutex); /* serialization of message processing */
static inline void genl_lock(void)
@@ -175,10 +173,31 @@ int genl_register_mc_group(struct genl_family *family,
mc_groups_longs++;
}
- err = netlink_change_ngroups(genl_sock,
- mc_groups_longs * BITS_PER_LONG);
- if (err)
- goto out;
+ if (family->netnsok) {
+ struct net *net;
+
+ rcu_read_lock();
+ for_each_net_rcu(net) {
+ err = netlink_change_ngroups(net->genl_sock,
+ mc_groups_longs * BITS_PER_LONG);
+ if (err) {
+ /*
+ * No need to roll back, can only fail if
+ * memory allocation fails and then the
+ * number of _possible_ groups has been
+ * increased on some sockets which is ok.
+ */
+ rcu_read_unlock();
+ goto out;
+ }
+ }
+ rcu_read_unlock();
+ } else {
+ err = netlink_change_ngroups(init_net.genl_sock,
+ mc_groups_longs * BITS_PER_LONG);
+ if (err)
+ goto out;
+ }
grp->id = id;
set_bit(id, mc_groups);
@@ -195,8 +214,14 @@ EXPORT_SYMBOL(genl_register_mc_group);
static void __genl_unregister_mc_group(struct genl_family *family,
struct genl_multicast_group *grp)
{
+ struct net *net;
BUG_ON(grp->family != family);
- netlink_clear_multicast_users(genl_sock, grp->id);
+
+ rcu_read_lock();
+ for_each_net_rcu(net)
+ netlink_clear_multicast_users(net->genl_sock, grp->id);
+ rcu_read_unlock();
+
clear_bit(grp->id, mc_groups);
list_del(&grp->list);
genl_ctrl_event(CTRL_CMD_DELMCAST_GRP, grp);
@@ -467,6 +492,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
struct genl_ops *ops;
struct genl_family *family;
+ struct net *net = sock_net(skb->sk);
struct genl_info info;
struct genlmsghdr *hdr = nlmsg_data(nlh);
int hdrlen, err;
@@ -475,6 +501,10 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (family == NULL)
return -ENOENT;
+ /* this family doesn't exist in this netns */
+ if (!family->netnsok && !net_eq(net, &init_net))
+ return -ENOENT;
+
hdrlen = GENL_HDRLEN + family->hdrsize;
if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen))
return -EINVAL;
@@ -492,7 +522,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return -EOPNOTSUPP;
genl_unlock();
- err = netlink_dump_start(genl_sock, skb, nlh,
+ err = netlink_dump_start(net->genl_sock, skb, nlh,
ops->dumpit, ops->done);
genl_lock();
return err;
@@ -514,6 +544,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
info.genlhdr = nlmsg_data(nlh);
info.userhdr = nlmsg_data(nlh) + GENL_HDRLEN;
info.attrs = family->attrbuf;
+ genl_info_net_set(&info, net);
return ops->doit(skb, &info);
}
@@ -534,6 +565,7 @@ static struct genl_family genl_ctrl = {
.name = "nlctrl",
.version = 0x2,
.maxattr = CTRL_ATTR_MAX,
+ .netnsok = true,
};
static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq,
@@ -650,6 +682,7 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
int i, n = 0;
struct genl_family *rt;
+ struct net *net = sock_net(skb->sk);
int chains_to_skip = cb->args[0];
int fams_to_skip = cb->args[1];
@@ -658,6 +691,8 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
continue;
n = 0;
list_for_each_entry(rt, genl_family_chain(i), family_list) {
+ if (!rt->netnsok && !net_eq(net, &init_net))
+ continue;
if (++n < fams_to_skip)
continue;
if (ctrl_fill_info(rt, NETLINK_CB(cb->skb).pid,
@@ -729,6 +764,7 @@ static int ctrl_getfamily(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[CTRL_ATTR_FAMILY_ID]) {
u16 id = nla_get_u16(info->attrs[CTRL_ATTR_FAMILY_ID]);
res = genl_family_find_byid(id);
+ err = -ENOENT;
}
if (info->attrs[CTRL_ATTR_FAMILY_NAME]) {
@@ -736,49 +772,61 @@ static int ctrl_getfamily(struct sk_buff *skb, struct genl_info *info)
name = nla_data(info->attrs[CTRL_ATTR_FAMILY_NAME]);
res = genl_family_find_byname(name);
+ err = -ENOENT;
}
- if (res == NULL) {
- err = -ENOENT;
- goto errout;
+ if (res == NULL)
+ return err;
+
+ if (!res->netnsok && !net_eq(genl_info_net(info), &init_net)) {
+ /* family doesn't exist here */
+ return -ENOENT;
}
msg = ctrl_build_family_msg(res, info->snd_pid, info->snd_seq,
CTRL_CMD_NEWFAMILY);
- if (IS_ERR(msg)) {
- err = PTR_ERR(msg);
- goto errout;
- }
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
- err = genlmsg_reply(msg, info);
-errout:
- return err;
+ return genlmsg_reply(msg, info);
}
static int genl_ctrl_event(int event, void *data)
{
struct sk_buff *msg;
+ struct genl_family *family;
+ struct genl_multicast_group *grp;
- if (genl_sock == NULL)
+ /* genl is still initialising */
+ if (!init_net.genl_sock)
return 0;
switch (event) {
case CTRL_CMD_NEWFAMILY:
case CTRL_CMD_DELFAMILY:
- msg = ctrl_build_family_msg(data, 0, 0, event);
- if (IS_ERR(msg))
- return PTR_ERR(msg);
-
- genlmsg_multicast(msg, 0, GENL_ID_CTRL, GFP_KERNEL);
+ family = data;
+ msg = ctrl_build_family_msg(family, 0, 0, event);
break;
case CTRL_CMD_NEWMCAST_GRP:
case CTRL_CMD_DELMCAST_GRP:
+ grp = data;
+ family = grp->family;
msg = ctrl_build_mcgrp_msg(data, 0, 0, event);
- if (IS_ERR(msg))
- return PTR_ERR(msg);
-
- genlmsg_multicast(msg, 0, GENL_ID_CTRL, GFP_KERNEL);
break;
+ default:
+ return -EINVAL;
+ }
+
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
+
+ if (!family->netnsok) {
+ genlmsg_multicast_netns(&init_net, msg, 0,
+ GENL_ID_CTRL, GFP_KERNEL);
+ } else {
+ rcu_read_lock();
+ genlmsg_multicast_allns(msg, 0, GENL_ID_CTRL, GFP_ATOMIC);
+ rcu_read_unlock();
}
return 0;
@@ -795,6 +843,33 @@ static struct genl_multicast_group notify_grp = {
.name = "notify",
};
+static int __net_init genl_pernet_init(struct net *net)
+{
+ /* we'll bump the group number right afterwards */
+ net->genl_sock = netlink_kernel_create(net, NETLINK_GENERIC, 0,
+ genl_rcv, &genl_mutex,
+ THIS_MODULE);
+
+ if (!net->genl_sock && net_eq(net, &init_net))
+ panic("GENL: Cannot initialize generic netlink\n");
+
+ if (!net->genl_sock)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void __net_exit genl_pernet_exit(struct net *net)
+{
+ netlink_kernel_release(net->genl_sock);
+ net->genl_sock = NULL;
+}
+
+static struct pernet_operations genl_pernet_ops = {
+ .init = genl_pernet_init,
+ .exit = genl_pernet_exit,
+};
+
static int __init genl_init(void)
{
int i, err;
@@ -804,36 +879,67 @@ static int __init genl_init(void)
err = genl_register_family(&genl_ctrl);
if (err < 0)
- goto errout;
+ goto problem;
err = genl_register_ops(&genl_ctrl, &genl_ctrl_ops);
if (err < 0)
- goto errout_register;
+ goto problem;
netlink_set_nonroot(NETLINK_GENERIC, NL_NONROOT_RECV);
- /* we'll bump the group number right afterwards */
- genl_sock = netlink_kernel_create(&init_net, NETLINK_GENERIC, 0,
- genl_rcv, &genl_mutex, THIS_MODULE);
- if (genl_sock == NULL)
- panic("GENL: Cannot initialize generic netlink\n");
+ err = register_pernet_subsys(&genl_pernet_ops);
+ if (err)
+ goto problem;
err = genl_register_mc_group(&genl_ctrl, &notify_grp);
if (err < 0)
- goto errout_register;
+ goto problem;
return 0;
-errout_register:
- genl_unregister_family(&genl_ctrl);
-errout:
+problem:
panic("GENL: Cannot register controller: %d\n", err);
}
subsys_initcall(genl_init);
-EXPORT_SYMBOL(genl_sock);
EXPORT_SYMBOL(genl_register_ops);
EXPORT_SYMBOL(genl_unregister_ops);
EXPORT_SYMBOL(genl_register_family);
EXPORT_SYMBOL(genl_unregister_family);
+
+static int genlmsg_mcast(struct sk_buff *skb, u32 pid, unsigned long group,
+ gfp_t flags)
+{
+ struct sk_buff *tmp;
+ struct net *net, *prev = NULL;
+ int err;
+
+ for_each_net_rcu(net) {
+ if (prev) {
+ tmp = skb_clone(skb, flags);
+ if (!tmp) {
+ err = -ENOMEM;
+ goto error;
+ }
+ err = nlmsg_multicast(prev->genl_sock, tmp,
+ pid, group, flags);
+ if (err)
+ goto error;
+ }
+
+ prev = net;
+ }
+
+ return nlmsg_multicast(prev->genl_sock, skb, pid, group, flags);
+ error:
+ kfree_skb(skb);
+ return err;
+}
+
+int genlmsg_multicast_allns(struct sk_buff *skb, u32 pid, unsigned int group,
+ gfp_t flags)
+{
+ return genlmsg_mcast(skb, pid, group, flags);
+}
+EXPORT_SYMBOL(genlmsg_multicast_allns);
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 351372463fe..c7b7838a051 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -177,13 +177,13 @@ static int nr_xmit(struct sk_buff *skb, struct net_device *dev)
if (!nr_route_frame(skb, NULL)) {
kfree_skb(skb);
stats->tx_errors++;
- return 0;
+ return NETDEV_TX_OK;
}
stats->tx_packets++;
stats->tx_bytes += len;
- return 0;
+ return NETDEV_TX_OK;
}
static const struct header_ops nr_header_ops = {
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ebe5718baa3..d3d52c66cdc 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -137,8 +137,7 @@ dev->hard_header == NULL (ll header is added by device, we cannot control it)
/* Private packet socket structures. */
-struct packet_mclist
-{
+struct packet_mclist {
struct packet_mclist *next;
int ifindex;
int count;
@@ -149,8 +148,7 @@ struct packet_mclist
/* identical to struct packet_mreq except it has
* a longer address field.
*/
-struct packet_mreq_max
-{
+struct packet_mreq_max {
int mr_ifindex;
unsigned short mr_type;
unsigned short mr_alen;
@@ -162,7 +160,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req,
int closing, int tx_ring);
struct packet_ring_buffer {
- char * *pg_vec;
+ char **pg_vec;
unsigned int head;
unsigned int frames_per_block;
unsigned int frame_size;
@@ -239,7 +237,7 @@ static void __packet_set_status(struct packet_sock *po, void *frame, int status)
flush_dcache_page(virt_to_page(&h.h2->tp_status));
break;
default:
- printk(KERN_ERR "TPACKET version not supported\n");
+ pr_err("TPACKET version not supported\n");
BUG();
}
@@ -265,7 +263,7 @@ static int __packet_get_status(struct packet_sock *po, void *frame)
flush_dcache_page(virt_to_page(&h.h2->tp_status));
return h.h2->tp_status;
default:
- printk(KERN_ERR "TPACKET version not supported\n");
+ pr_err("TPACKET version not supported\n");
BUG();
return 0;
}
@@ -327,7 +325,7 @@ static void packet_sock_destruct(struct sock *sk)
WARN_ON(atomic_read(&sk->sk_wmem_alloc));
if (!sock_flag(sk, SOCK_DEAD)) {
- printk("Attempt to release alive packet socket: %p\n", sk);
+ pr_err("Attempt to release alive packet socket: %p\n", sk);
return;
}
@@ -339,7 +337,8 @@ static const struct proto_ops packet_ops;
static const struct proto_ops packet_ops_spkt;
-static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
+static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *pt, struct net_device *orig_dev)
{
struct sock *sk;
struct sockaddr_pkt *spkt;
@@ -368,7 +367,8 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct
if (dev_net(dev) != sock_net(sk))
goto out;
- if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (skb == NULL)
goto oom;
/* drop any routing info */
@@ -394,7 +394,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct
* to prevent sockets using all the memory up.
*/
- if (sock_queue_rcv_skb(sk,skb) == 0)
+ if (sock_queue_rcv_skb(sk, skb) == 0)
return 0;
out:
@@ -413,25 +413,23 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
- struct sockaddr_pkt *saddr=(struct sockaddr_pkt *)msg->msg_name;
+ struct sockaddr_pkt *saddr = (struct sockaddr_pkt *)msg->msg_name;
struct sk_buff *skb;
struct net_device *dev;
- __be16 proto=0;
+ __be16 proto = 0;
int err;
/*
* Get and verify the address.
*/
- if (saddr)
- {
+ if (saddr) {
if (msg->msg_namelen < sizeof(struct sockaddr))
- return(-EINVAL);
- if (msg->msg_namelen==sizeof(struct sockaddr_pkt))
- proto=saddr->spkt_protocol;
- }
- else
- return(-ENOTCONN); /* SOCK_PACKET must be sent giving an address */
+ return -EINVAL;
+ if (msg->msg_namelen == sizeof(struct sockaddr_pkt))
+ proto = saddr->spkt_protocol;
+ } else
+ return -ENOTCONN; /* SOCK_PACKET must be sent giving an address */
/*
* Find the device first to size check it
@@ -448,8 +446,8 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
goto out_unlock;
/*
- * You may not queue a frame bigger than the mtu. This is the lowest level
- * raw protocol and you must do your own fragmentation at this level.
+ * You may not queue a frame bigger than the mtu. This is the lowest level
+ * raw protocol and you must do your own fragmentation at this level.
*/
err = -EMSGSIZE;
@@ -460,9 +458,9 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
skb = sock_wmalloc(sk, len + LL_RESERVED_SPACE(dev), 0, GFP_KERNEL);
/*
- * If the write buffer is full, then tough. At this level the user gets to
- * deal with the problem - do your own algorithmic backoffs. That's far
- * more flexible.
+ * If the write buffer is full, then tough. At this level the user
+ * gets to deal with the problem - do your own algorithmic backoffs.
+ * That's far more flexible.
*/
if (skb == NULL)
@@ -488,7 +486,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
}
/* Returns -EFAULT on error */
- err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
+ err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
skb->protocol = proto;
skb->dev = dev;
skb->priority = sk->sk_priority;
@@ -501,7 +499,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
dev_queue_xmit(skb);
dev_put(dev);
- return(len);
+ return len;
out_free:
kfree_skb(skb);
@@ -537,12 +535,13 @@ static inline unsigned int run_filter(struct sk_buff *skb, struct sock *sk,
we will not harm anyone.
*/
-static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
+static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *pt, struct net_device *orig_dev)
{
struct sock *sk;
struct sockaddr_ll *sll;
struct packet_sock *po;
- u8 * skb_head = skb->data;
+ u8 *skb_head = skb->data;
int skb_len = skb->len;
unsigned int snaplen, res;
@@ -648,7 +647,8 @@ drop:
}
#ifdef CONFIG_PACKET_MMAP
-static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
+static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *pt, struct net_device *orig_dev)
{
struct sock *sk;
struct packet_sock *po;
@@ -658,7 +658,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
struct tpacket2_hdr *h2;
void *raw;
} h;
- u8 * skb_head = skb->data;
+ u8 *skb_head = skb->data;
int skb_len = skb->len;
unsigned int snaplen, res;
unsigned long status = TP_STATUS_LOSING|TP_STATUS_USER;
@@ -821,7 +821,7 @@ ring_is_full:
static void tpacket_destruct_skb(struct sk_buff *skb)
{
struct packet_sock *po = pkt_sk(skb->sk);
- void * ph;
+ void *ph;
BUG_ON(skb == NULL);
@@ -836,9 +836,9 @@ static void tpacket_destruct_skb(struct sk_buff *skb)
sock_wfree(skb);
}
-static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff * skb,
- void * frame, struct net_device *dev, int size_max,
- __be16 proto, unsigned char * addr)
+static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb,
+ void *frame, struct net_device *dev, int size_max,
+ __be16 proto, unsigned char *addr)
{
union {
struct tpacket_hdr *h1;
@@ -867,8 +867,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff * skb,
break;
}
if (unlikely(tp_len > size_max)) {
- printk(KERN_ERR "packet size is too long (%d > %d)\n",
- tp_len, size_max);
+ pr_err("packet size is too long (%d > %d)\n", tp_len, size_max);
return -EMSGSIZE;
}
@@ -883,12 +882,11 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff * skb,
NULL, tp_len);
if (unlikely(err < 0))
return -EINVAL;
- } else if (dev->hard_header_len ) {
+ } else if (dev->hard_header_len) {
/* net device doesn't like empty head */
if (unlikely(tp_len <= dev->hard_header_len)) {
- printk(KERN_ERR "packet size is too short "
- "(%d < %d)\n", tp_len,
- dev->hard_header_len);
+ pr_err("packet size is too short (%d < %d)\n",
+ tp_len, dev->hard_header_len);
return -EINVAL;
}
@@ -917,9 +915,8 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff * skb,
nr_frags = skb_shinfo(skb)->nr_frags;
if (unlikely(nr_frags >= MAX_SKB_FRAGS)) {
- printk(KERN_ERR "Packet exceed the number "
- "of skb frags(%lu)\n",
- MAX_SKB_FRAGS);
+ pr_err("Packet exceed the number of skb frags(%lu)\n",
+ MAX_SKB_FRAGS);
return -EFAULT;
}
@@ -944,8 +941,8 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
struct net_device *dev;
__be16 proto;
int ifindex, err, reserve = 0;
- void * ph;
- struct sockaddr_ll *saddr=(struct sockaddr_ll *)msg->msg_name;
+ void *ph;
+ struct sockaddr_ll *saddr = (struct sockaddr_ll *)msg->msg_name;
int tp_len, size_max;
unsigned char *addr;
int len_sum = 0;
@@ -1038,8 +1035,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
goto out_xmit;
packet_increment_head(&po->tx_ring);
len_sum += tp_len;
- }
- while (likely((ph != NULL) || ((!(msg->msg_flags & MSG_DONTWAIT))
+ } while (likely((ph != NULL) || ((!(msg->msg_flags & MSG_DONTWAIT))
&& (atomic_read(&po->tx_ring.pending))))
);
@@ -1064,7 +1060,7 @@ static int packet_snd(struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
- struct sockaddr_ll *saddr=(struct sockaddr_ll *)msg->msg_name;
+ struct sockaddr_ll *saddr = (struct sockaddr_ll *)msg->msg_name;
struct sk_buff *skb;
struct net_device *dev;
__be16 proto;
@@ -1110,7 +1106,7 @@ static int packet_snd(struct socket *sock,
skb = sock_alloc_send_skb(sk, len + LL_ALLOCATED_SPACE(dev),
msg->msg_flags & MSG_DONTWAIT, &err);
- if (skb==NULL)
+ if (skb == NULL)
goto out_unlock;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -1122,7 +1118,7 @@ static int packet_snd(struct socket *sock,
goto out_free;
/* Returns -EFAULT on error */
- err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
+ err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
if (err)
goto out_free;
@@ -1140,7 +1136,7 @@ static int packet_snd(struct socket *sock,
dev_put(dev);
- return(len);
+ return len;
out_free:
kfree_skb(skb);
@@ -1283,9 +1279,10 @@ out_unlock:
* Bind a packet socket to a device
*/
-static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,
+ int addr_len)
{
- struct sock *sk=sock->sk;
+ struct sock *sk = sock->sk;
char name[15];
struct net_device *dev;
int err = -ENODEV;
@@ -1296,7 +1293,7 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr, int add
if (addr_len != sizeof(struct sockaddr))
return -EINVAL;
- strlcpy(name,uaddr->sa_data,sizeof(name));
+ strlcpy(name, uaddr->sa_data, sizeof(name));
dev = dev_get_by_name(sock_net(sk), name);
if (dev) {
@@ -1308,8 +1305,8 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr, int add
static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
- struct sockaddr_ll *sll = (struct sockaddr_ll*)uaddr;
- struct sock *sk=sock->sk;
+ struct sockaddr_ll *sll = (struct sockaddr_ll *)uaddr;
+ struct sock *sk = sock->sk;
struct net_device *dev = NULL;
int err;
@@ -1404,7 +1401,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
sk_add_node(sk, &net->packet.sklist);
sock_prot_inuse_add(net, &packet_proto, 1);
write_unlock_bh(&net->packet.sklist_lock);
- return(0);
+ return 0;
out:
return err;
}
@@ -1441,7 +1438,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
* but then it will block.
*/
- skb=skb_recv_datagram(sk,flags,flags&MSG_DONTWAIT,&err);
+ skb = skb_recv_datagram(sk, flags, flags & MSG_DONTWAIT, &err);
/*
* An error occurred so return it. Because skb_recv_datagram()
@@ -1469,10 +1466,9 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
*/
copied = skb->len;
- if (copied > len)
- {
- copied=len;
- msg->msg_flags|=MSG_TRUNC;
+ if (copied > len) {
+ copied = len;
+ msg->msg_flags |= MSG_TRUNC;
}
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
@@ -1539,7 +1535,7 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr,
struct net_device *dev;
struct sock *sk = sock->sk;
struct packet_sock *po = pkt_sk(sk);
- struct sockaddr_ll *sll = (struct sockaddr_ll*)uaddr;
+ struct sockaddr_ll *sll = (struct sockaddr_ll *)uaddr;
if (peer)
return -EOPNOTSUPP;
@@ -1584,14 +1580,15 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i,
else
return dev_unicast_delete(dev, i->addr);
break;
- default:;
+ default:
+ break;
}
return 0;
}
static void packet_dev_mclist(struct net_device *dev, struct packet_mclist *i, int what)
{
- for ( ; i; i=i->next) {
+ for ( ; i; i = i->next) {
if (i->ifindex == dev->ifindex)
packet_dev_mc(dev, i, what);
}
@@ -1693,7 +1690,8 @@ static void packet_flush_mclist(struct sock *sk)
struct net_device *dev;
po->mclist = ml->next;
- if ((dev = dev_get_by_index(sock_net(sk), ml->ifindex)) != NULL) {
+ dev = dev_get_by_index(sock_net(sk), ml->ifindex);
+ if (dev != NULL) {
packet_dev_mc(dev, ml, -1);
dev_put(dev);
}
@@ -1723,7 +1721,7 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv
return -EINVAL;
if (len > sizeof(mreq))
len = sizeof(mreq);
- if (copy_from_user(&mreq,optval,len))
+ if (copy_from_user(&mreq, optval, len))
return -EFAULT;
if (len < (mreq.mr_alen + offsetof(struct packet_mreq, mr_address)))
return -EINVAL;
@@ -1740,9 +1738,9 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv
{
struct tpacket_req req;
- if (optlen<sizeof(req))
+ if (optlen < sizeof(req))
return -EINVAL;
- if (copy_from_user(&req,optval,sizeof(req)))
+ if (copy_from_user(&req, optval, sizeof(req)))
return -EFAULT;
return packet_set_ring(sk, &req, 0, optname == PACKET_TX_RING);
}
@@ -1750,9 +1748,9 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv
{
int val;
- if (optlen!=sizeof(val))
+ if (optlen != sizeof(val))
return -EINVAL;
- if (copy_from_user(&val,optval,sizeof(val)))
+ if (copy_from_user(&val, optval, sizeof(val)))
return -EFAULT;
pkt_sk(sk)->copy_thresh = val;
@@ -1985,51 +1983,51 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
struct sock *sk = sock->sk;
switch (cmd) {
- case SIOCOUTQ:
- {
- int amount = sk_wmem_alloc_get(sk);
+ case SIOCOUTQ:
+ {
+ int amount = sk_wmem_alloc_get(sk);
- return put_user(amount, (int __user *)arg);
- }
- case SIOCINQ:
- {
- struct sk_buff *skb;
- int amount = 0;
-
- spin_lock_bh(&sk->sk_receive_queue.lock);
- skb = skb_peek(&sk->sk_receive_queue);
- if (skb)
- amount = skb->len;
- spin_unlock_bh(&sk->sk_receive_queue.lock);
- return put_user(amount, (int __user *)arg);
- }
- case SIOCGSTAMP:
- return sock_get_timestamp(sk, (struct timeval __user *)arg);
- case SIOCGSTAMPNS:
- return sock_get_timestampns(sk, (struct timespec __user *)arg);
+ return put_user(amount, (int __user *)arg);
+ }
+ case SIOCINQ:
+ {
+ struct sk_buff *skb;
+ int amount = 0;
+
+ spin_lock_bh(&sk->sk_receive_queue.lock);
+ skb = skb_peek(&sk->sk_receive_queue);
+ if (skb)
+ amount = skb->len;
+ spin_unlock_bh(&sk->sk_receive_queue.lock);
+ return put_user(amount, (int __user *)arg);
+ }
+ case SIOCGSTAMP:
+ return sock_get_timestamp(sk, (struct timeval __user *)arg);
+ case SIOCGSTAMPNS:
+ return sock_get_timestampns(sk, (struct timespec __user *)arg);
#ifdef CONFIG_INET
- case SIOCADDRT:
- case SIOCDELRT:
- case SIOCDARP:
- case SIOCGARP:
- case SIOCSARP:
- case SIOCGIFADDR:
- case SIOCSIFADDR:
- case SIOCGIFBRDADDR:
- case SIOCSIFBRDADDR:
- case SIOCGIFNETMASK:
- case SIOCSIFNETMASK:
- case SIOCGIFDSTADDR:
- case SIOCSIFDSTADDR:
- case SIOCSIFFLAGS:
- if (!net_eq(sock_net(sk), &init_net))
- return -ENOIOCTLCMD;
- return inet_dgram_ops.ioctl(sock, cmd, arg);
+ case SIOCADDRT:
+ case SIOCDELRT:
+ case SIOCDARP:
+ case SIOCGARP:
+ case SIOCSARP:
+ case SIOCGIFADDR:
+ case SIOCSIFADDR:
+ case SIOCGIFBRDADDR:
+ case SIOCSIFBRDADDR:
+ case SIOCGIFNETMASK:
+ case SIOCSIFNETMASK:
+ case SIOCGIFDSTADDR:
+ case SIOCSIFDSTADDR:
+ case SIOCSIFFLAGS:
+ if (!net_eq(sock_net(sk), &init_net))
+ return -ENOIOCTLCMD;
+ return inet_dgram_ops.ioctl(sock, cmd, arg);
#endif
- default:
- return -ENOIOCTLCMD;
+ default:
+ return -ENOIOCTLCMD;
}
return 0;
}
@@ -2039,7 +2037,7 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
#define packet_poll datagram_poll
#else
-static unsigned int packet_poll(struct file * file, struct socket *sock,
+static unsigned int packet_poll(struct file *file, struct socket *sock,
poll_table *wait)
{
struct sock *sk = sock->sk;
@@ -2069,7 +2067,7 @@ static unsigned int packet_poll(struct file * file, struct socket *sock,
static void packet_mm_open(struct vm_area_struct *vma)
{
struct file *file = vma->vm_file;
- struct socket * sock = file->private_data;
+ struct socket *sock = file->private_data;
struct sock *sk = sock->sk;
if (sk)
@@ -2079,7 +2077,7 @@ static void packet_mm_open(struct vm_area_struct *vma)
static void packet_mm_close(struct vm_area_struct *vma)
{
struct file *file = vma->vm_file;
- struct socket * sock = file->private_data;
+ struct socket *sock = file->private_data;
struct sock *sk = sock->sk;
if (sk)
@@ -2087,8 +2085,8 @@ static void packet_mm_close(struct vm_area_struct *vma)
}
static struct vm_operations_struct packet_mmap_ops = {
- .open = packet_mm_open,
- .close =packet_mm_close,
+ .open = packet_mm_open,
+ .close = packet_mm_close,
};
static void free_pg_vec(char **pg_vec, unsigned int order, unsigned int len)
@@ -2239,8 +2237,8 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req,
skb_queue_purge(rb_queue);
#undef XC
if (atomic_read(&po->mapped))
- printk(KERN_DEBUG "packet_mmap: vma is busy: %d\n",
- atomic_read(&po->mapped));
+ pr_err("packet_mmap: vma is busy: %d\n",
+ atomic_read(&po->mapped));
}
mutex_unlock(&po->pg_vec_lock);
@@ -2303,7 +2301,7 @@ static int packet_mmap(struct file *file, struct socket *sock,
int pg_num;
for (pg_num = 0; pg_num < rb->pg_vec_pages;
- pg_num++,page++) {
+ pg_num++, page++) {
err = vm_insert_page(vma, start, page);
if (unlikely(err))
goto out;
@@ -2372,7 +2370,7 @@ static struct net_proto_family packet_family_ops = {
};
static struct notifier_block packet_netdev_notifier = {
- .notifier_call =packet_notifier,
+ .notifier_call = packet_notifier,
};
#ifdef CONFIG_PROC_FS
@@ -2402,7 +2400,7 @@ static void *packet_seq_next(struct seq_file *seq, void *v, loff_t *pos)
++*pos;
return (v == SEQ_START_TOKEN)
? sk_head(&net->packet.sklist)
- : sk_next((struct sock*)v) ;
+ : sk_next((struct sock *)v) ;
}
static void packet_seq_stop(struct seq_file *seq, void *v)
@@ -2430,7 +2428,7 @@ static int packet_seq_show(struct seq_file *seq, void *v)
po->running,
atomic_read(&s->sk_rmem_alloc),
sock_i_uid(s),
- sock_i_ino(s) );
+ sock_i_ino(s));
}
return 0;
diff --git a/net/phonet/datagram.c b/net/phonet/datagram.c
index e087862ed7e..ef5c75c372e 100644
--- a/net/phonet/datagram.c
+++ b/net/phonet/datagram.c
@@ -159,8 +159,11 @@ out_nofree:
static int pn_backlog_rcv(struct sock *sk, struct sk_buff *skb)
{
int err = sock_queue_rcv_skb(sk, skb);
- if (err < 0)
+ if (err < 0) {
kfree_skb(skb);
+ if (err == -ENOMEM)
+ atomic_inc(&sk->sk_drops);
+ }
return err ? NET_RX_DROP : NET_RX_SUCCESS;
}
diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index 480839dfc56..4667af51ed7 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -195,7 +195,7 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *dev)
break;
default:
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
skb_orphan(skb);
@@ -215,7 +215,7 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
if (pep_writeable(sk))
netif_wake_queue(dev);
- return 0;
+ return NETDEV_TX_OK;
}
static int gprs_set_mtu(struct net_device *dev, int new_mtu)
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index eef833ea6d7..b8252d289cd 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -346,8 +346,10 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
break;
case PNS_PEP_CTRL_REQ:
- if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX)
+ if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX) {
+ atomic_inc(&sk->sk_drops);
break;
+ }
__skb_pull(skb, 4);
queue = &pn->ctrlreq_queue;
goto queue;
@@ -358,10 +360,13 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
err = sock_queue_rcv_skb(sk, skb);
if (!err)
return 0;
+ if (err == -ENOMEM)
+ atomic_inc(&sk->sk_drops);
break;
}
if (pn->rx_credits == 0) {
+ atomic_inc(&sk->sk_drops);
err = -ENOBUFS;
break;
}
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index c2b77a69869..5ae4c01e838 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -27,6 +27,7 @@
#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/phonet.h>
+#include <linux/proc_fs.h>
#include <net/sock.h>
#include <net/netns/generic.h>
#include <net/phonet/pn_dev.h>
@@ -218,6 +219,11 @@ static int phonet_init_net(struct net *net)
if (!pnn)
return -ENOMEM;
+ if (!proc_net_fops_create(net, "phonet", 0, &pn_sock_seq_fops)) {
+ kfree(pnn);
+ return -ENOMEM;
+ }
+
INIT_LIST_HEAD(&pnn->pndevs.list);
spin_lock_init(&pnn->pndevs.lock);
net_assign_generic(net, phonet_net_id, pnn);
@@ -233,6 +239,8 @@ static void phonet_exit_net(struct net *net)
for_each_netdev(net, dev)
phonet_device_destroy(dev);
rtnl_unlock();
+
+ proc_net_remove(net, "phonet");
kfree(pnn);
}
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index ada2a35bf7a..aa1617a7f26 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -412,3 +412,99 @@ found:
return 0;
}
EXPORT_SYMBOL(pn_sock_get_port);
+
+static struct sock *pn_sock_get_idx(struct seq_file *seq, loff_t pos)
+{
+ struct net *net = seq_file_net(seq);
+ struct hlist_node *node;
+ struct sock *sknode;
+
+ sk_for_each(sknode, node, &pnsocks.hlist) {
+ if (!net_eq(net, sock_net(sknode)))
+ continue;
+ if (!pos)
+ return sknode;
+ pos--;
+ }
+ return NULL;
+}
+
+static struct sock *pn_sock_get_next(struct seq_file *seq, struct sock *sk)
+{
+ struct net *net = seq_file_net(seq);
+
+ do
+ sk = sk_next(sk);
+ while (sk && !net_eq(net, sock_net(sk)));
+
+ return sk;
+}
+
+static void *pn_sock_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(pnsocks.lock)
+{
+ spin_lock_bh(&pnsocks.lock);
+ return *pos ? pn_sock_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
+}
+
+static void *pn_sock_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct sock *sk;
+
+ if (v == SEQ_START_TOKEN)
+ sk = pn_sock_get_idx(seq, 0);
+ else
+ sk = pn_sock_get_next(seq, v);
+ (*pos)++;
+ return sk;
+}
+
+static void pn_sock_seq_stop(struct seq_file *seq, void *v)
+ __releases(pnsocks.lock)
+{
+ spin_unlock_bh(&pnsocks.lock);
+}
+
+static int pn_sock_seq_show(struct seq_file *seq, void *v)
+{
+ int len;
+
+ if (v == SEQ_START_TOKEN)
+ seq_printf(seq, "%s%n", "pt loc rem rs st tx_queue rx_queue "
+ " uid inode ref pointer drops", &len);
+ else {
+ struct sock *sk = v;
+ struct pn_sock *pn = pn_sk(sk);
+
+ seq_printf(seq, "%2d %04X:%04X:%02X %02X %08X:%08X %5d %lu "
+ "%d %p %d%n",
+ sk->sk_protocol, pn->sobject, 0, pn->resource,
+ sk->sk_state,
+ sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
+ sock_i_uid(sk), sock_i_ino(sk),
+ atomic_read(&sk->sk_refcnt), sk,
+ atomic_read(&sk->sk_drops), &len);
+ }
+ seq_printf(seq, "%*s\n", 127 - len, "");
+ return 0;
+}
+
+static const struct seq_operations pn_sock_seq_ops = {
+ .start = pn_sock_seq_start,
+ .next = pn_sock_seq_next,
+ .stop = pn_sock_seq_stop,
+ .show = pn_sock_seq_show,
+};
+
+static int pn_sock_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &pn_sock_seq_ops);
+}
+
+const struct file_operations pn_sock_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = pn_sock_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
diff --git a/net/rds/connection.c b/net/rds/connection.c
index d14445c4830..b420a20d84f 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -126,7 +126,7 @@ static struct rds_connection *__rds_conn_create(__be32 laddr, __be32 faddr,
struct rds_transport *trans, gfp_t gfp,
int is_outgoing)
{
- struct rds_connection *conn, *tmp, *parent = NULL;
+ struct rds_connection *conn, *parent = NULL;
struct hlist_head *head = rds_conn_bucket(laddr, faddr);
unsigned long flags;
int ret;
@@ -155,7 +155,6 @@ static struct rds_connection *__rds_conn_create(__be32 laddr, __be32 faddr,
}
INIT_HLIST_NODE(&conn->c_hash_node);
- conn->c_version = RDS_PROTOCOL_3_0;
conn->c_laddr = laddr;
conn->c_faddr = faddr;
spin_lock_init(&conn->c_lock);
@@ -211,26 +210,40 @@ static struct rds_connection *__rds_conn_create(__be32 laddr, __be32 faddr,
trans->t_name ? trans->t_name : "[unknown]",
is_outgoing ? "(outgoing)" : "");
+ /*
+ * Since we ran without holding the conn lock, someone could
+ * have created the same conn (either normal or passive) in the
+ * interim. We check while holding the lock. If we won, we complete
+ * init and return our conn. If we lost, we rollback and return the
+ * other one.
+ */
spin_lock_irqsave(&rds_conn_lock, flags);
- if (parent == NULL) {
- tmp = rds_conn_lookup(head, laddr, faddr, trans);
- if (tmp == NULL)
- hlist_add_head(&conn->c_hash_node, head);
- } else {
- tmp = parent->c_passive;
- if (!tmp)
+ if (parent) {
+ /* Creating passive conn */
+ if (parent->c_passive) {
+ trans->conn_free(conn->c_transport_data);
+ kmem_cache_free(rds_conn_slab, conn);
+ conn = parent->c_passive;
+ } else {
parent->c_passive = conn;
- }
-
- if (tmp) {
- trans->conn_free(conn->c_transport_data);
- kmem_cache_free(rds_conn_slab, conn);
- conn = tmp;
+ rds_cong_add_conn(conn);
+ rds_conn_count++;
+ }
} else {
- rds_cong_add_conn(conn);
- rds_conn_count++;
+ /* Creating normal conn */
+ struct rds_connection *found;
+
+ found = rds_conn_lookup(head, laddr, faddr, trans);
+ if (found) {
+ trans->conn_free(conn->c_transport_data);
+ kmem_cache_free(rds_conn_slab, conn);
+ conn = found;
+ } else {
+ hlist_add_head(&conn->c_hash_node, head);
+ rds_cong_add_conn(conn);
+ rds_conn_count++;
+ }
}
-
spin_unlock_irqrestore(&rds_conn_lock, flags);
out:
diff --git a/net/rds/ib.c b/net/rds/ib.c
index b9bcd32431e..868559ac42d 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -43,11 +43,14 @@
unsigned int fmr_pool_size = RDS_FMR_POOL_SIZE;
unsigned int fmr_message_size = RDS_FMR_SIZE + 1; /* +1 allows for unaligned MRs */
+unsigned int rds_ib_retry_count = RDS_IB_DEFAULT_RETRY_COUNT;
module_param(fmr_pool_size, int, 0444);
MODULE_PARM_DESC(fmr_pool_size, " Max number of fmr per HCA");
module_param(fmr_message_size, int, 0444);
MODULE_PARM_DESC(fmr_message_size, " Max size of a RDMA transfer");
+module_param(rds_ib_retry_count, int, 0444);
+MODULE_PARM_DESC(rds_ib_retry_count, " Number of hw retries before reporting an error");
struct list_head rds_ib_devices;
@@ -82,9 +85,6 @@ void rds_ib_add_one(struct ib_device *device)
rds_ibdev->max_wrs = dev_attr->max_qp_wr;
rds_ibdev->max_sge = min(dev_attr->max_sge, RDS_IB_MAX_SGE);
- rds_ibdev->fmr_page_shift = max(9, ffs(dev_attr->page_size_cap) - 1);
- rds_ibdev->fmr_page_size = 1 << rds_ibdev->fmr_page_shift;
- rds_ibdev->fmr_page_mask = ~((u64) rds_ibdev->fmr_page_size - 1);
rds_ibdev->fmr_max_remaps = dev_attr->max_map_per_fmr?: 32;
rds_ibdev->max_fmrs = dev_attr->max_fmr ?
min_t(unsigned int, dev_attr->max_fmr, fmr_pool_size) :
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 455ae73047f..1378b854cac 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -15,6 +15,8 @@
#define RDS_IB_DEFAULT_RECV_WR 1024
#define RDS_IB_DEFAULT_SEND_WR 256
+#define RDS_IB_DEFAULT_RETRY_COUNT 2
+
#define RDS_IB_SUPPORTED_PROTOCOLS 0x00000003 /* minor versions supported */
extern struct list_head rds_ib_devices;
@@ -157,9 +159,6 @@ struct rds_ib_device {
struct ib_pd *pd;
struct ib_mr *mr;
struct rds_ib_mr_pool *mr_pool;
- int fmr_page_shift;
- int fmr_page_size;
- u64 fmr_page_mask;
unsigned int fmr_max_remaps;
unsigned int max_fmrs;
int max_sge;
@@ -247,6 +246,7 @@ extern struct ib_client rds_ib_client;
extern unsigned int fmr_pool_size;
extern unsigned int fmr_message_size;
+extern unsigned int rds_ib_retry_count;
extern spinlock_t ib_nodev_conns_lock;
extern struct list_head ib_nodev_conns;
@@ -355,17 +355,25 @@ extern ctl_table rds_ib_sysctl_table[];
/*
* Helper functions for getting/setting the header and data SGEs in
* RDS packets (not RDMA)
+ *
+ * From version 3.1 onwards, header is in front of data in the sge.
*/
static inline struct ib_sge *
rds_ib_header_sge(struct rds_ib_connection *ic, struct ib_sge *sge)
{
- return &sge[0];
+ if (ic->conn->c_version > RDS_PROTOCOL_3_0)
+ return &sge[0];
+ else
+ return &sge[1];
}
static inline struct ib_sge *
rds_ib_data_sge(struct rds_ib_connection *ic, struct ib_sge *sge)
{
- return &sge[1];
+ if (ic->conn->c_version > RDS_PROTOCOL_3_0)
+ return &sge[1];
+ else
+ return &sge[0];
}
#endif
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index f8e40e1a603..c2d372f13db 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -98,21 +98,34 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn, struct rdma_cm_even
struct ib_qp_attr qp_attr;
int err;
- if (event->param.conn.private_data_len) {
+ if (event->param.conn.private_data_len >= sizeof(*dp)) {
dp = event->param.conn.private_data;
- rds_ib_set_protocol(conn,
+ /* make sure it isn't empty data */
+ if (dp->dp_protocol_major) {
+ rds_ib_set_protocol(conn,
RDS_PROTOCOL(dp->dp_protocol_major,
- dp->dp_protocol_minor));
- rds_ib_set_flow_control(conn, be32_to_cpu(dp->dp_credit));
+ dp->dp_protocol_minor));
+ rds_ib_set_flow_control(conn, be32_to_cpu(dp->dp_credit));
+ }
}
printk(KERN_NOTICE "RDS/IB: connected to %pI4 version %u.%u%s\n",
- &conn->c_laddr,
+ &conn->c_faddr,
RDS_PROTOCOL_MAJOR(conn->c_version),
RDS_PROTOCOL_MINOR(conn->c_version),
ic->i_flowctl ? ", flow control" : "");
+ /*
+ * Init rings and fill recv. this needs to wait until protocol negotiation
+ * is complete, since ring layout is different from 3.0 to 3.1.
+ */
+ rds_ib_send_init_ring(ic);
+ rds_ib_recv_init_ring(ic);
+ /* Post receive buffers - as a side effect, this will update
+ * the posted credit count. */
+ rds_ib_recv_refill(conn, GFP_KERNEL, GFP_HIGHUSER, 1);
+
/* Tune RNR behavior */
rds_ib_tune_rnr(ic, &qp_attr);
@@ -145,7 +158,7 @@ static void rds_ib_cm_fill_conn_param(struct rds_connection *conn,
/* XXX tune these? */
conn_param->responder_resources = 1;
conn_param->initiator_depth = 1;
- conn_param->retry_count = 7;
+ conn_param->retry_count = min_t(unsigned int, rds_ib_retry_count, 7);
conn_param->rnr_retry_count = 7;
if (dp) {
@@ -190,9 +203,9 @@ static void rds_ib_qp_event_handler(struct ib_event *event, void *data)
rdma_notify(ic->i_cm_id, IB_EVENT_COMM_EST);
break;
default:
- printk(KERN_WARNING "RDS/ib: unhandled QP event %u "
- "on connection to %pI4\n", event->event,
- &conn->c_faddr);
+ rds_ib_conn_error(conn, "RDS/IB: Fatal QP Event %u "
+ "- connection %pI4->%pI4, reconnecting\n",
+ event->event, &conn->c_laddr, &conn->c_faddr);
break;
}
}
@@ -321,7 +334,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
rdsdebug("send allocation failed\n");
goto out;
}
- rds_ib_send_init_ring(ic);
+ memset(ic->i_sends, 0, ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work));
ic->i_recvs = vmalloc(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work));
if (ic->i_recvs == NULL) {
@@ -329,14 +342,10 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
rdsdebug("recv allocation failed\n");
goto out;
}
+ memset(ic->i_recvs, 0, ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work));
- rds_ib_recv_init_ring(ic);
rds_ib_recv_init_ack(ic);
- /* Post receive buffers - as a side effect, this will update
- * the posted credit count. */
- rds_ib_recv_refill(conn, GFP_KERNEL, GFP_HIGHUSER, 1);
-
rdsdebug("conn %p pd %p mr %p cq %p %p\n", conn, ic->i_pd, ic->i_mr,
ic->i_send_cq, ic->i_recv_cq);
@@ -344,19 +353,32 @@ out:
return ret;
}
-static u32 rds_ib_protocol_compatible(const struct rds_ib_connect_private *dp)
+static u32 rds_ib_protocol_compatible(struct rdma_cm_event *event)
{
+ const struct rds_ib_connect_private *dp = event->param.conn.private_data;
u16 common;
u32 version = 0;
- /* rdma_cm private data is odd - when there is any private data in the
+ /*
+ * rdma_cm private data is odd - when there is any private data in the
* request, we will be given a pretty large buffer without telling us the
* original size. The only way to tell the difference is by looking at
* the contents, which are initialized to zero.
* If the protocol version fields aren't set, this is a connection attempt
* from an older version. This could could be 3.0 or 2.0 - we can't tell.
- * We really should have changed this for OFED 1.3 :-( */
- if (dp->dp_protocol_major == 0)
+ * We really should have changed this for OFED 1.3 :-(
+ */
+
+ /* Be paranoid. RDS always has privdata */
+ if (!event->param.conn.private_data_len) {
+ printk(KERN_NOTICE "RDS incoming connection has no private data, "
+ "rejecting\n");
+ return 0;
+ }
+
+ /* Even if len is crap *now* I still want to check it. -ASG */
+ if (event->param.conn.private_data_len < sizeof (*dp)
+ || dp->dp_protocol_major == 0)
return RDS_PROTOCOL_3_0;
common = be16_to_cpu(dp->dp_protocol_minor_mask) & RDS_IB_SUPPORTED_PROTOCOLS;
@@ -388,7 +410,7 @@ int rds_ib_cm_handle_connect(struct rdma_cm_id *cm_id,
int err, destroy = 1;
/* Check whether the remote protocol version matches ours. */
- version = rds_ib_protocol_compatible(dp);
+ version = rds_ib_protocol_compatible(event);
if (!version)
goto out;
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index 81033af9302..ef3ab5b7283 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -211,7 +211,7 @@ struct rds_ib_mr_pool *rds_ib_create_mr_pool(struct rds_ib_device *rds_ibdev)
pool->fmr_attr.max_pages = fmr_message_size;
pool->fmr_attr.max_maps = rds_ibdev->fmr_max_remaps;
- pool->fmr_attr.page_shift = rds_ibdev->fmr_page_shift;
+ pool->fmr_attr.page_shift = PAGE_SHIFT;
pool->max_free_pinned = rds_ibdev->max_fmrs * fmr_message_size / 4;
/* We never allow more than max_items MRs to be allocated.
@@ -349,13 +349,13 @@ static int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev, struct rds_ib_mr *ibm
unsigned int dma_len = ib_sg_dma_len(dev, &scat[i]);
u64 dma_addr = ib_sg_dma_address(dev, &scat[i]);
- if (dma_addr & ~rds_ibdev->fmr_page_mask) {
+ if (dma_addr & ~PAGE_MASK) {
if (i > 0)
return -EINVAL;
else
++page_cnt;
}
- if ((dma_addr + dma_len) & ~rds_ibdev->fmr_page_mask) {
+ if ((dma_addr + dma_len) & ~PAGE_MASK) {
if (i < sg_dma_len - 1)
return -EINVAL;
else
@@ -365,7 +365,7 @@ static int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev, struct rds_ib_mr *ibm
len += dma_len;
}
- page_cnt += len >> rds_ibdev->fmr_page_shift;
+ page_cnt += len >> PAGE_SHIFT;
if (page_cnt > fmr_message_size)
return -EINVAL;
@@ -378,9 +378,9 @@ static int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev, struct rds_ib_mr *ibm
unsigned int dma_len = ib_sg_dma_len(dev, &scat[i]);
u64 dma_addr = ib_sg_dma_address(dev, &scat[i]);
- for (j = 0; j < dma_len; j += rds_ibdev->fmr_page_size)
+ for (j = 0; j < dma_len; j += PAGE_SIZE)
dma_pages[page_cnt++] =
- (dma_addr & rds_ibdev->fmr_page_mask) + j;
+ (dma_addr & PAGE_MASK) + j;
}
ret = ib_map_phys_fmr(ibmr->fmr,
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 5709bad2832..cd7a6cfcab0 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -555,6 +555,47 @@ u64 rds_ib_piggyb_ack(struct rds_ib_connection *ic)
return rds_ib_get_ack(ic);
}
+static struct rds_header *rds_ib_get_header(struct rds_connection *conn,
+ struct rds_ib_recv_work *recv,
+ u32 data_len)
+{
+ struct rds_ib_connection *ic = conn->c_transport_data;
+ void *hdr_buff = &ic->i_recv_hdrs[recv - ic->i_recvs];
+ void *addr;
+ u32 misplaced_hdr_bytes;
+
+ /*
+ * Support header at the front (RDS 3.1+) as well as header-at-end.
+ *
+ * Cases:
+ * 1) header all in header buff (great!)
+ * 2) header all in data page (copy all to header buff)
+ * 3) header split across hdr buf + data page
+ * (move bit in hdr buff to end before copying other bit from data page)
+ */
+ if (conn->c_version > RDS_PROTOCOL_3_0 || data_len == RDS_FRAG_SIZE)
+ return hdr_buff;
+
+ if (data_len <= (RDS_FRAG_SIZE - sizeof(struct rds_header))) {
+ addr = kmap_atomic(recv->r_frag->f_page, KM_SOFTIRQ0);
+ memcpy(hdr_buff,
+ addr + recv->r_frag->f_offset + data_len,
+ sizeof(struct rds_header));
+ kunmap_atomic(addr, KM_SOFTIRQ0);
+ return hdr_buff;
+ }
+
+ misplaced_hdr_bytes = (sizeof(struct rds_header) - (RDS_FRAG_SIZE - data_len));
+
+ memmove(hdr_buff + misplaced_hdr_bytes, hdr_buff, misplaced_hdr_bytes);
+
+ addr = kmap_atomic(recv->r_frag->f_page, KM_SOFTIRQ0);
+ memcpy(hdr_buff, addr + recv->r_frag->f_offset + data_len,
+ sizeof(struct rds_header) - misplaced_hdr_bytes);
+ kunmap_atomic(addr, KM_SOFTIRQ0);
+ return hdr_buff;
+}
+
/*
* It's kind of lame that we're copying from the posted receive pages into
* long-lived bitmaps. We could have posted the bitmaps and rdma written into
@@ -645,7 +686,7 @@ struct rds_ib_ack_state {
};
static void rds_ib_process_recv(struct rds_connection *conn,
- struct rds_ib_recv_work *recv, u32 byte_len,
+ struct rds_ib_recv_work *recv, u32 data_len,
struct rds_ib_ack_state *state)
{
struct rds_ib_connection *ic = conn->c_transport_data;
@@ -655,9 +696,9 @@ static void rds_ib_process_recv(struct rds_connection *conn,
/* XXX shut down the connection if port 0,0 are seen? */
rdsdebug("ic %p ibinc %p recv %p byte len %u\n", ic, ibinc, recv,
- byte_len);
+ data_len);
- if (byte_len < sizeof(struct rds_header)) {
+ if (data_len < sizeof(struct rds_header)) {
rds_ib_conn_error(conn, "incoming message "
"from %pI4 didn't inclue a "
"header, disconnecting and "
@@ -665,9 +706,9 @@ static void rds_ib_process_recv(struct rds_connection *conn,
&conn->c_faddr);
return;
}
- byte_len -= sizeof(struct rds_header);
+ data_len -= sizeof(struct rds_header);
- ihdr = &ic->i_recv_hdrs[recv - ic->i_recvs];
+ ihdr = rds_ib_get_header(conn, recv, data_len);
/* Validate the checksum. */
if (!rds_message_verify_checksum(ihdr)) {
@@ -687,7 +728,7 @@ static void rds_ib_process_recv(struct rds_connection *conn,
if (ihdr->h_credit)
rds_ib_send_add_credits(conn, ihdr->h_credit);
- if (ihdr->h_sport == 0 && ihdr->h_dport == 0 && byte_len == 0) {
+ if (ihdr->h_sport == 0 && ihdr->h_dport == 0 && data_len == 0) {
/* This is an ACK-only packet. The fact that it gets
* special treatment here is that historically, ACKs
* were rather special beasts.
diff --git a/net/rds/ib_stats.c b/net/rds/ib_stats.c
index 02e3e3d50d4..8d8488306fe 100644
--- a/net/rds/ib_stats.c
+++ b/net/rds/ib_stats.c
@@ -39,7 +39,7 @@
DEFINE_PER_CPU(struct rds_ib_statistics, rds_ib_stats) ____cacheline_aligned;
-static char *rds_ib_stat_names[] = {
+static const char *const rds_ib_stat_names[] = {
"ib_connect_raced",
"ib_listen_closed_stale",
"ib_tx_cq_call",
diff --git a/net/rds/ib_sysctl.c b/net/rds/ib_sysctl.c
index d87830db93a..84b5ffcb280 100644
--- a/net/rds/ib_sysctl.c
+++ b/net/rds/ib_sysctl.c
@@ -53,7 +53,17 @@ unsigned long rds_ib_sysctl_max_unsig_bytes = (16 << 20);
static unsigned long rds_ib_sysctl_max_unsig_bytes_min = 1;
static unsigned long rds_ib_sysctl_max_unsig_bytes_max = ~0UL;
-unsigned int rds_ib_sysctl_flow_control = 1;
+/*
+ * This sysctl does nothing.
+ *
+ * Backwards compatibility with RDS 3.0 wire protocol
+ * disables initial FC credit exchange.
+ * If it's ever possible to drop 3.0 support,
+ * setting this to 1 and moving init/refill of send/recv
+ * rings from ib_cm_connect_complete() back into ib_setup_qp()
+ * will cause credits to be added before protocol negotiation.
+ */
+unsigned int rds_ib_sysctl_flow_control = 0;
ctl_table rds_ib_sysctl_table[] = {
{
diff --git a/net/rds/iw.c b/net/rds/iw.c
index d16e1cbc8e8..f5e9a29a80a 100644
--- a/net/rds/iw.c
+++ b/net/rds/iw.c
@@ -83,23 +83,16 @@ void rds_iw_add_one(struct ib_device *device)
rds_iwdev->max_wrs = dev_attr->max_qp_wr;
rds_iwdev->max_sge = min(dev_attr->max_sge, RDS_IW_MAX_SGE);
- rds_iwdev->page_shift = max(PAGE_SHIFT, ffs(dev_attr->page_size_cap) - 1);
-
rds_iwdev->dev = device;
rds_iwdev->pd = ib_alloc_pd(device);
if (IS_ERR(rds_iwdev->pd))
goto free_dev;
if (!rds_iwdev->dma_local_lkey) {
- if (device->node_type != RDMA_NODE_RNIC) {
- rds_iwdev->mr = ib_get_dma_mr(rds_iwdev->pd,
- IB_ACCESS_LOCAL_WRITE);
- } else {
- rds_iwdev->mr = ib_get_dma_mr(rds_iwdev->pd,
- IB_ACCESS_REMOTE_READ |
- IB_ACCESS_REMOTE_WRITE |
- IB_ACCESS_LOCAL_WRITE);
- }
+ rds_iwdev->mr = ib_get_dma_mr(rds_iwdev->pd,
+ IB_ACCESS_REMOTE_READ |
+ IB_ACCESS_REMOTE_WRITE |
+ IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(rds_iwdev->mr))
goto err_pd;
} else
diff --git a/net/rds/iw.h b/net/rds/iw.h
index 0715dde323e..dd72b62bd50 100644
--- a/net/rds/iw.h
+++ b/net/rds/iw.h
@@ -181,7 +181,6 @@ struct rds_iw_device {
struct ib_pd *pd;
struct ib_mr *mr;
struct rds_iw_mr_pool *mr_pool;
- int page_shift;
int max_sge;
unsigned int max_wrs;
unsigned int dma_local_lkey:1;
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index dcdb37da80f..de4a1b16bf7 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -263,18 +263,12 @@ static void rds_iw_set_scatterlist(struct rds_iw_scatterlist *sg,
}
static u64 *rds_iw_map_scatterlist(struct rds_iw_device *rds_iwdev,
- struct rds_iw_scatterlist *sg,
- unsigned int dma_page_shift)
+ struct rds_iw_scatterlist *sg)
{
struct ib_device *dev = rds_iwdev->dev;
u64 *dma_pages = NULL;
- u64 dma_mask;
- unsigned int dma_page_size;
int i, j, ret;
- dma_page_size = 1 << dma_page_shift;
- dma_mask = dma_page_size - 1;
-
WARN_ON(sg->dma_len);
sg->dma_len = ib_dma_map_sg(dev, sg->list, sg->len, DMA_BIDIRECTIONAL);
@@ -295,18 +289,18 @@ static u64 *rds_iw_map_scatterlist(struct rds_iw_device *rds_iwdev,
sg->bytes += dma_len;
end_addr = dma_addr + dma_len;
- if (dma_addr & dma_mask) {
+ if (dma_addr & PAGE_MASK) {
if (i > 0)
goto out_unmap;
- dma_addr &= ~dma_mask;
+ dma_addr &= ~PAGE_MASK;
}
- if (end_addr & dma_mask) {
+ if (end_addr & PAGE_MASK) {
if (i < sg->dma_len - 1)
goto out_unmap;
- end_addr = (end_addr + dma_mask) & ~dma_mask;
+ end_addr = (end_addr + PAGE_MASK) & ~PAGE_MASK;
}
- sg->dma_npages += (end_addr - dma_addr) >> dma_page_shift;
+ sg->dma_npages += (end_addr - dma_addr) >> PAGE_SHIFT;
}
/* Now gather the dma addrs into one list */
@@ -325,8 +319,8 @@ static u64 *rds_iw_map_scatterlist(struct rds_iw_device *rds_iwdev,
u64 end_addr;
end_addr = dma_addr + dma_len;
- dma_addr &= ~dma_mask;
- for (; dma_addr < end_addr; dma_addr += dma_page_size)
+ dma_addr &= ~PAGE_MASK;
+ for (; dma_addr < end_addr; dma_addr += PAGE_SIZE)
dma_pages[j++] = dma_addr;
BUG_ON(j > sg->dma_npages);
}
@@ -727,7 +721,7 @@ static int rds_iw_rdma_build_fastreg(struct rds_iw_mapping *mapping)
f_wr.wr.fast_reg.rkey = mapping->m_rkey;
f_wr.wr.fast_reg.page_list = ibmr->page_list;
f_wr.wr.fast_reg.page_list_len = mapping->m_sg.dma_len;
- f_wr.wr.fast_reg.page_shift = ibmr->device->page_shift;
+ f_wr.wr.fast_reg.page_shift = PAGE_SHIFT;
f_wr.wr.fast_reg.access_flags = IB_ACCESS_LOCAL_WRITE |
IB_ACCESS_REMOTE_READ |
IB_ACCESS_REMOTE_WRITE;
@@ -780,9 +774,7 @@ static int rds_iw_map_fastreg(struct rds_iw_mr_pool *pool,
rds_iw_set_scatterlist(&mapping->m_sg, sg, sg_len);
- dma_pages = rds_iw_map_scatterlist(rds_iwdev,
- &mapping->m_sg,
- rds_iwdev->page_shift);
+ dma_pages = rds_iw_map_scatterlist(rds_iwdev, &mapping->m_sg);
if (IS_ERR(dma_pages)) {
ret = PTR_ERR(dma_pages);
dma_pages = NULL;
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 44a6a0551f2..1f5abe3cf2b 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -779,7 +779,7 @@ static void rds_iw_build_send_fastreg(struct rds_iw_device *rds_iwdev, struct rd
send->s_wr.wr.fast_reg.rkey = send->s_mr->rkey;
send->s_wr.wr.fast_reg.page_list = send->s_page_list;
send->s_wr.wr.fast_reg.page_list_len = nent;
- send->s_wr.wr.fast_reg.page_shift = rds_iwdev->page_shift;
+ send->s_wr.wr.fast_reg.page_shift = PAGE_SHIFT;
send->s_wr.wr.fast_reg.access_flags = IB_ACCESS_REMOTE_WRITE;
send->s_wr.wr.fast_reg.iova_start = sg_addr;
diff --git a/net/rds/iw_stats.c b/net/rds/iw_stats.c
index ccc7e8f0bf0..d33ea790484 100644
--- a/net/rds/iw_stats.c
+++ b/net/rds/iw_stats.c
@@ -39,7 +39,7 @@
DEFINE_PER_CPU(struct rds_iw_statistics, rds_iw_stats) ____cacheline_aligned;
-static char *rds_iw_stat_names[] = {
+static const char *const rds_iw_stat_names[] = {
"iw_connect_raced",
"iw_listen_closed_stale",
"iw_tx_cq_call",
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index 7d0f901c93d..7a6c748cb56 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -101,7 +101,7 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
break;
case RDMA_CM_EVENT_DISCONNECTED:
- printk(KERN_WARNING "RDS/IW: DISCONNECT event - dropping connection "
+ printk(KERN_WARNING "RDS/RDMA: DISCONNECT event - dropping connection "
"%pI4->%pI4\n", &conn->c_laddr,
&conn->c_faddr);
rds_conn_drop(conn);
@@ -132,12 +132,12 @@ static int __init rds_rdma_listen_init(void)
cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL, RDMA_PS_TCP);
if (IS_ERR(cm_id)) {
ret = PTR_ERR(cm_id);
- printk(KERN_ERR "RDS/IW: failed to setup listener, "
+ printk(KERN_ERR "RDS/RDMA: failed to setup listener, "
"rdma_create_id() returned %d\n", ret);
goto out;
}
- sin.sin_family = PF_INET,
+ sin.sin_family = AF_INET,
sin.sin_addr.s_addr = (__force u32)htonl(INADDR_ANY);
sin.sin_port = (__force u16)htons(RDS_PORT);
@@ -147,14 +147,14 @@ static int __init rds_rdma_listen_init(void)
*/
ret = rdma_bind_addr(cm_id, (struct sockaddr *)&sin);
if (ret) {
- printk(KERN_ERR "RDS/IW: failed to setup listener, "
+ printk(KERN_ERR "RDS/RDMA: failed to setup listener, "
"rdma_bind_addr() returned %d\n", ret);
goto out;
}
ret = rdma_listen(cm_id, 128);
if (ret) {
- printk(KERN_ERR "RDS/IW: failed to setup listener, "
+ printk(KERN_ERR "RDS/RDMA: failed to setup listener, "
"rdma_listen() returned %d\n", ret);
goto out;
}
diff --git a/net/rds/rds.h b/net/rds/rds.h
index dbe11123678..290566c69d2 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -652,7 +652,8 @@ DECLARE_PER_CPU_SHARED_ALIGNED(struct rds_statistics, rds_stats);
int __init rds_stats_init(void);
void rds_stats_exit(void);
void rds_stats_info_copy(struct rds_info_iterator *iter,
- uint64_t *values, char **names, size_t nr);
+ uint64_t *values, const char *const *names,
+ size_t nr);
/* sysctl.c */
int __init rds_sysctl_init(void);
diff --git a/net/rds/recv.c b/net/rds/recv.c
index f2118c51cfa..86bc1a06ebb 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -409,18 +409,18 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
if (msg_flags & MSG_OOB)
goto out;
- /* If there are pending notifications, do those - and nothing else */
- if (!list_empty(&rs->rs_notify_queue)) {
- ret = rds_notify_queue_get(rs, msg);
- goto out;
- }
+ while (1) {
+ /* If there are pending notifications, do those - and nothing else */
+ if (!list_empty(&rs->rs_notify_queue)) {
+ ret = rds_notify_queue_get(rs, msg);
+ break;
+ }
- if (rs->rs_cong_notify) {
- ret = rds_notify_cong(rs, msg);
- goto out;
- }
+ if (rs->rs_cong_notify) {
+ ret = rds_notify_cong(rs, msg);
+ break;
+ }
- while (1) {
if (!rds_next_incoming(rs, &inc)) {
if (nonblock) {
ret = -EAGAIN;
@@ -428,7 +428,9 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
}
timeo = wait_event_interruptible_timeout(*sk->sk_sleep,
- rds_next_incoming(rs, &inc),
+ (!list_empty(&rs->rs_notify_queue)
+ || rs->rs_cong_notify
+ || rds_next_incoming(rs, &inc)),
timeo);
rdsdebug("recvmsg woke inc %p timeo %ld\n", inc,
timeo);
diff --git a/net/rds/stats.c b/net/rds/stats.c
index 637146893cf..91d8c58b833 100644
--- a/net/rds/stats.c
+++ b/net/rds/stats.c
@@ -40,7 +40,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_statistics, rds_stats);
/* :.,$s/unsigned long\>.*\<s_\(.*\);/"\1",/g */
-static char *rds_stat_names[] = {
+static const char *const rds_stat_names[] = {
"conn_reset",
"recv_drop_bad_checksum",
"recv_drop_old_seq",
@@ -77,7 +77,7 @@ static char *rds_stat_names[] = {
};
void rds_stats_info_copy(struct rds_info_iterator *iter,
- uint64_t *values, char **names, size_t nr)
+ uint64_t *values, const char *const *names, size_t nr)
{
struct rds_info_counter ctr;
size_t i;
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 2fc4a1724eb..dbeaf298382 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -589,11 +589,13 @@ static const char *rfkill_get_type_str(enum rfkill_type type)
return "wimax";
case RFKILL_TYPE_WWAN:
return "wwan";
+ case RFKILL_TYPE_GPS:
+ return "gps";
default:
BUG();
}
- BUILD_BUG_ON(NUM_RFKILL_TYPES != RFKILL_TYPE_WWAN + 1);
+ BUILD_BUG_ON(NUM_RFKILL_TYPES != RFKILL_TYPE_GPS + 1);
}
static ssize_t rfkill_type_show(struct device *dev,
@@ -1091,10 +1093,16 @@ static ssize_t rfkill_fop_write(struct file *file, const char __user *buf,
struct rfkill_event ev;
/* we don't need the 'hard' variable but accept it */
- if (count < sizeof(ev) - 1)
+ if (count < RFKILL_EVENT_SIZE_V1 - 1)
return -EINVAL;
- if (copy_from_user(&ev, buf, sizeof(ev) - 1))
+ /*
+ * Copy as much data as we can accept into our 'ev' buffer,
+ * but tell userspace how much we've copied so it can determine
+ * our API version even in a write() call, if it cares.
+ */
+ count = min(count, sizeof(ev));
+ if (copy_from_user(&ev, buf, count))
return -EFAULT;
if (ev.op != RFKILL_OP_CHANGE && ev.op != RFKILL_OP_CHANGE_ALL)
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 389d6e0d774..c711e2edf5c 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -141,7 +141,7 @@ static int rose_xmit(struct sk_buff *skb, struct net_device *dev)
}
dev_kfree_skb(skb);
stats->tx_errors++;
- return 0;
+ return NETDEV_TX_OK;
}
static const struct header_ops rose_header_ops = {
diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c
index 3ac1672e107..c9f1f0a3a2f 100644
--- a/net/rxrpc/ar-ack.c
+++ b/net/rxrpc/ar-ack.c
@@ -20,7 +20,7 @@
static unsigned rxrpc_ack_defer = 1;
-static const char *rxrpc_acks[] = {
+static const char *const rxrpc_acks[] = {
"---", "REQ", "DUP", "OOS", "WIN", "MEM", "PNG", "PNR", "DLY", "IDL",
"-?-"
};
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 27d03816ec3..693df7ae33d 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -37,15 +37,11 @@
* - updates to tree and tree walking are only done under the rtnl mutex.
*/
-static inline int qdisc_qlen(struct Qdisc *q)
-{
- return q->q.qlen;
-}
-
static inline int dev_requeue_skb(struct sk_buff *skb, struct Qdisc *q)
{
q->gso_skb = skb;
q->qstats.requeues++;
+ q->q.qlen++; /* it's still part of the queue */
__netif_schedule(q);
return 0;
@@ -61,9 +57,11 @@ static inline struct sk_buff *dequeue_skb(struct Qdisc *q)
/* check the reason of requeuing without tx lock first */
txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
- if (!netif_tx_queue_stopped(txq) && !netif_tx_queue_frozen(txq))
+ if (!netif_tx_queue_stopped(txq) &&
+ !netif_tx_queue_frozen(txq)) {
q->gso_skb = NULL;
- else
+ q->q.qlen--;
+ } else
skb = NULL;
} else {
skb = q->dequeue(q);
@@ -103,44 +101,23 @@ static inline int handle_dev_cpu_collision(struct sk_buff *skb,
}
/*
- * NOTE: Called under qdisc_lock(q) with locally disabled BH.
- *
- * __QDISC_STATE_RUNNING guarantees only one CPU can process
- * this qdisc at a time. qdisc_lock(q) serializes queue accesses for
- * this queue.
- *
- * netif_tx_lock serializes accesses to device driver.
- *
- * qdisc_lock(q) and netif_tx_lock are mutually exclusive,
- * if one is grabbed, another must be free.
- *
- * Note, that this procedure can be called by a watchdog timer
+ * Transmit one skb, and handle the return status as required. Holding the
+ * __QDISC_STATE_RUNNING bit guarantees that only one CPU can execute this
+ * function.
*
* Returns to the caller:
* 0 - queue is empty or throttled.
* >0 - queue is not empty.
- *
*/
-static inline int qdisc_restart(struct Qdisc *q)
+int sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q,
+ struct net_device *dev, struct netdev_queue *txq,
+ spinlock_t *root_lock)
{
- struct netdev_queue *txq;
int ret = NETDEV_TX_BUSY;
- struct net_device *dev;
- spinlock_t *root_lock;
- struct sk_buff *skb;
-
- /* Dequeue packet */
- if (unlikely((skb = dequeue_skb(q)) == NULL))
- return 0;
-
- root_lock = qdisc_lock(q);
/* And release qdisc */
spin_unlock(root_lock);
- dev = qdisc_dev(q);
- txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
-
HARD_TX_LOCK(dev, txq, smp_processor_id());
if (!netif_tx_queue_stopped(txq) &&
!netif_tx_queue_frozen(txq))
@@ -177,6 +154,44 @@ static inline int qdisc_restart(struct Qdisc *q)
return ret;
}
+/*
+ * NOTE: Called under qdisc_lock(q) with locally disabled BH.
+ *
+ * __QDISC_STATE_RUNNING guarantees only one CPU can process
+ * this qdisc at a time. qdisc_lock(q) serializes queue accesses for
+ * this queue.
+ *
+ * netif_tx_lock serializes accesses to device driver.
+ *
+ * qdisc_lock(q) and netif_tx_lock are mutually exclusive,
+ * if one is grabbed, another must be free.
+ *
+ * Note, that this procedure can be called by a watchdog timer
+ *
+ * Returns to the caller:
+ * 0 - queue is empty or throttled.
+ * >0 - queue is not empty.
+ *
+ */
+static inline int qdisc_restart(struct Qdisc *q)
+{
+ struct netdev_queue *txq;
+ struct net_device *dev;
+ spinlock_t *root_lock;
+ struct sk_buff *skb;
+
+ /* Dequeue packet */
+ skb = dequeue_skb(q);
+ if (unlikely(!skb))
+ return 0;
+
+ root_lock = qdisc_lock(q);
+ dev = qdisc_dev(q);
+ txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
+
+ return sch_direct_xmit(skb, q, dev, txq, root_lock);
+}
+
void __qdisc_run(struct Qdisc *q)
{
unsigned long start_time = jiffies;
@@ -547,8 +562,11 @@ void qdisc_reset(struct Qdisc *qdisc)
if (ops->reset)
ops->reset(qdisc);
- kfree_skb(qdisc->gso_skb);
- qdisc->gso_skb = NULL;
+ if (qdisc->gso_skb) {
+ kfree_skb(qdisc->gso_skb);
+ qdisc->gso_skb = NULL;
+ qdisc->q.qlen = 0;
+ }
}
EXPORT_SYMBOL(qdisc_reset);
@@ -605,6 +623,9 @@ static void attach_one_default_qdisc(struct net_device *dev,
printk(KERN_INFO "%s: activation failed\n", dev->name);
return;
}
+
+ /* Can by-pass the queue discipline for default qdisc */
+ qdisc->flags |= TCQ_F_CAN_BYPASS;
} else {
qdisc = &noqueue_qdisc;
}
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 9c002b6e053..12434b6c204 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -314,7 +314,7 @@ restart:
netif_wake_queue(dev);
txq->tx_packets++;
txq->tx_bytes += length;
- return 0;
+ return NETDEV_TX_OK;
}
__netif_tx_unlock(slave_txq);
}
@@ -323,7 +323,7 @@ restart:
break;
case 1:
master->slaves = NEXT_SLAVE(q);
- return 0;
+ return NETDEV_TX_OK;
default:
nores = 1;
break;
@@ -345,7 +345,7 @@ restart:
drop:
txq->tx_dropped++;
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static int teql_master_open(struct net_device *dev)
diff --git a/net/sctp/debug.c b/net/sctp/debug.c
index 7ff548a30cf..bf24fa697de 100644
--- a/net/sctp/debug.c
+++ b/net/sctp/debug.c
@@ -52,7 +52,7 @@ int sctp_debug_flag = 1; /* Initially enable DEBUG */
#endif /* SCTP_DEBUG */
/* These are printable forms of Chunk ID's from section 3.1. */
-static const char *sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
+static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
"DATA",
"INIT",
"INIT_ACK",
@@ -97,7 +97,7 @@ const char *sctp_cname(const sctp_subtype_t cid)
}
/* These are printable forms of the states. */
-const char *sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
+const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
"STATE_EMPTY",
"STATE_CLOSED",
"STATE_COOKIE_WAIT",
@@ -110,7 +110,7 @@ const char *sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
};
/* Events that could change the state of an association. */
-const char *sctp_evttype_tbl[] = {
+const char *const sctp_evttype_tbl[] = {
"EVENT_T_unknown",
"EVENT_T_CHUNK",
"EVENT_T_TIMEOUT",
@@ -119,7 +119,7 @@ const char *sctp_evttype_tbl[] = {
};
/* Return value of a state function */
-const char *sctp_status_tbl[] = {
+const char *const sctp_status_tbl[] = {
"DISPOSITION_DISCARD",
"DISPOSITION_CONSUME",
"DISPOSITION_NOMEM",
@@ -132,7 +132,7 @@ const char *sctp_status_tbl[] = {
};
/* Printable forms of primitives */
-static const char *sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
+static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
"PRIMITIVE_ASSOCIATE",
"PRIMITIVE_SHUTDOWN",
"PRIMITIVE_ABORT",
@@ -149,7 +149,7 @@ const char *sctp_pname(const sctp_subtype_t id)
return "unknown_primitive";
}
-static const char *sctp_other_tbl[] = {
+static const char *const sctp_other_tbl[] = {
"NO_PENDING_TSN",
"ICMP_PROTO_UNREACH",
};
@@ -162,7 +162,7 @@ const char *sctp_oname(const sctp_subtype_t id)
return "unknown 'other' event";
}
-static const char *sctp_timer_tbl[] = {
+static const char *const sctp_timer_tbl[] = {
"TIMEOUT_NONE",
"TIMEOUT_T1_COOKIE",
"TIMEOUT_T1_INIT",
diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index 3c57005e44d..7bda8e3d139 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -62,7 +62,7 @@ static int handle_cmd(struct sk_buff *skb, struct genl_info *info)
rep_nlh = nlmsg_hdr(rep_buf);
memcpy(rep_nlh, req_nlh, hdr_space);
rep_nlh->nlmsg_len = rep_buf->len;
- genlmsg_unicast(rep_buf, NETLINK_CB(skb).pid);
+ genlmsg_unicast(&init_net, rep_buf, NETLINK_CB(skb).pid);
}
return 0;
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 1848693ebb8..e8254e809b7 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1748,6 +1748,12 @@ static int getsockopt(struct socket *sock,
value = jiffies_to_msecs(sk->sk_rcvtimeo);
/* no need to set "res", since already 0 at this point */
break;
+ case TIPC_NODE_RECVQ_DEPTH:
+ value = (u32)atomic_read(&tipc_queue_size);
+ break;
+ case TIPC_SOCK_RECVQ_DEPTH:
+ value = skb_queue_len(&sk->sk_receive_queue);
+ break;
default:
res = -EINVAL;
}
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 4428dd5e911..c6031d5b135 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -2,6 +2,21 @@ config CFG80211
tristate "Improved wireless configuration API"
depends on RFKILL || !RFKILL
+config NL80211_TESTMODE
+ bool "nl80211 testmode command"
+ depends on CFG80211
+ help
+ The nl80211 testmode command helps implementing things like
+ factory calibration or validation tools for wireless chips.
+
+ Select this option ONLY for kernels that are specifically
+ built for such purposes.
+
+ Debugging tools that are supposed to end up in the hands of
+ users should better be implemented with debugfs.
+
+ Say N.
+
config CFG80211_REG_DEBUG
bool "cfg80211 regulatory debugging"
depends on CFG80211
@@ -11,6 +26,22 @@ config CFG80211_REG_DEBUG
If unsure, say N.
+config CFG80211_DEFAULT_PS
+ bool "enable powersave by default"
+ depends on CFG80211
+ default y
+ help
+ This option enables powersave mode by default.
+
+ If this causes your applications to misbehave you should fix your
+ applications instead -- they need to register their network
+ latency requirement, see Documentation/power/pm_qos_interface.txt.
+
+config CFG80211_DEFAULT_PS_VALUE
+ int
+ default 1 if CFG80211_DEFAULT_PS
+ default 0
+
config CFG80211_DEBUGFS
bool "cfg80211 DebugFS entries"
depends on CFG80211 && DEBUG_FS
@@ -35,19 +66,13 @@ config WIRELESS_OLD_REGULATORY
config WIRELESS_EXT
bool "Wireless extensions"
- default n
+ default y
---help---
This option enables the legacy wireless extensions
(wireless network interface configuration via ioctls.)
- Wireless extensions will be replaced by cfg80211 and
- will be required only by legacy drivers that implement
- wireless extension handlers. This option does not
- affect the wireless-extension backward compatibility
- code in cfg80211.
-
- Say N (if you can) unless you know you need wireless
- extensions for external modules.
+ Say Y unless you've upgraded all your userspace to use
+ nl80211 instead of wireless extensions.
config WIRELESS_EXT_SYSFS
bool "Wireless extensions sysfs files"
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index f78c4832a9c..d74cc77fa57 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -5,8 +5,8 @@ obj-$(CONFIG_LIB80211_CRYPT_WEP) += lib80211_crypt_wep.o
obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o
obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o
-cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o mlme.o ibss.o
+cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o mlme.o ibss.o sme.o
cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o
-cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o
+cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o wext-sme.o
ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/wireless/core.c b/net/wireless/core.c
index d5850292b3d..1e189306560 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -19,6 +19,7 @@
#include "core.h"
#include "sysfs.h"
#include "debugfs.h"
+#include "wext-compat.h"
/* name for sysfs, %d is appended */
#define PHY_NAME "phy"
@@ -30,12 +31,10 @@ MODULE_DESCRIPTION("wireless configuration support");
/* RCU might be appropriate here since we usually
* only read the list, and that can happen quite
* often because we need to do it for each command */
-LIST_HEAD(cfg80211_drv_list);
+LIST_HEAD(cfg80211_rdev_list);
/*
- * This is used to protect the cfg80211_drv_list, cfg80211_regdomain,
- * country_ie_regdomain, the reg_beacon_list and the the last regulatory
- * request receipt (last_request).
+ * This is used to protect the cfg80211_rdev_list
*/
DEFINE_MUTEX(cfg80211_mutex);
@@ -43,18 +42,18 @@ DEFINE_MUTEX(cfg80211_mutex);
static struct dentry *ieee80211_debugfs_dir;
/* requires cfg80211_mutex to be held! */
-struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx)
+struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx)
{
- struct cfg80211_registered_device *result = NULL, *drv;
+ struct cfg80211_registered_device *result = NULL, *rdev;
if (!wiphy_idx_valid(wiphy_idx))
return NULL;
assert_cfg80211_lock();
- list_for_each_entry(drv, &cfg80211_drv_list, list) {
- if (drv->wiphy_idx == wiphy_idx) {
- result = drv;
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ if (rdev->wiphy_idx == wiphy_idx) {
+ result = rdev;
break;
}
}
@@ -64,32 +63,32 @@ struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx)
int get_wiphy_idx(struct wiphy *wiphy)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
if (!wiphy)
return WIPHY_IDX_STALE;
- drv = wiphy_to_dev(wiphy);
- return drv->wiphy_idx;
+ rdev = wiphy_to_dev(wiphy);
+ return rdev->wiphy_idx;
}
-/* requires cfg80211_drv_mutex to be held! */
+/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
if (!wiphy_idx_valid(wiphy_idx))
return NULL;
assert_cfg80211_lock();
- drv = cfg80211_drv_by_wiphy_idx(wiphy_idx);
- if (!drv)
+ rdev = cfg80211_rdev_by_wiphy_idx(wiphy_idx);
+ if (!rdev)
return NULL;
- return &drv->wiphy;
+ return &rdev->wiphy;
}
/* requires cfg80211_mutex to be held! */
struct cfg80211_registered_device *
-__cfg80211_drv_from_info(struct genl_info *info)
+__cfg80211_rdev_from_info(struct genl_info *info)
{
int ifindex;
struct cfg80211_registered_device *bywiphyidx = NULL, *byifidx = NULL;
@@ -99,14 +98,14 @@ __cfg80211_drv_from_info(struct genl_info *info)
assert_cfg80211_lock();
if (info->attrs[NL80211_ATTR_WIPHY]) {
- bywiphyidx = cfg80211_drv_by_wiphy_idx(
+ bywiphyidx = cfg80211_rdev_by_wiphy_idx(
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY]));
err = -ENODEV;
}
if (info->attrs[NL80211_ATTR_IFINDEX]) {
ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
- dev = dev_get_by_index(&init_net, ifindex);
+ dev = dev_get_by_index(genl_info_net(info), ifindex);
if (dev) {
if (dev->ieee80211_ptr)
byifidx =
@@ -134,54 +133,48 @@ __cfg80211_drv_from_info(struct genl_info *info)
struct cfg80211_registered_device *
cfg80211_get_dev_from_info(struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
mutex_lock(&cfg80211_mutex);
- drv = __cfg80211_drv_from_info(info);
+ rdev = __cfg80211_rdev_from_info(info);
/* if it is not an error we grab the lock on
* it to assure it won't be going away while
* we operate on it */
- if (!IS_ERR(drv))
- mutex_lock(&drv->mtx);
+ if (!IS_ERR(rdev))
+ mutex_lock(&rdev->mtx);
mutex_unlock(&cfg80211_mutex);
- return drv;
+ return rdev;
}
struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(int ifindex)
+cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
{
- struct cfg80211_registered_device *drv = ERR_PTR(-ENODEV);
+ struct cfg80211_registered_device *rdev = ERR_PTR(-ENODEV);
struct net_device *dev;
mutex_lock(&cfg80211_mutex);
- dev = dev_get_by_index(&init_net, ifindex);
+ dev = dev_get_by_index(net, ifindex);
if (!dev)
goto out;
if (dev->ieee80211_ptr) {
- drv = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
- mutex_lock(&drv->mtx);
+ rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
+ mutex_lock(&rdev->mtx);
} else
- drv = ERR_PTR(-ENODEV);
+ rdev = ERR_PTR(-ENODEV);
dev_put(dev);
out:
mutex_unlock(&cfg80211_mutex);
- return drv;
-}
-
-void cfg80211_put_dev(struct cfg80211_registered_device *drv)
-{
- BUG_ON(IS_ERR(drv));
- mutex_unlock(&drv->mtx);
+ return rdev;
}
/* requires cfg80211_mutex to be held */
int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
char *newname)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev2;
int wiphy_idx, taken = -1, result, digits;
assert_cfg80211_lock();
@@ -207,8 +200,8 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
return 0;
/* Ensure another device does not already have this name. */
- list_for_each_entry(drv, &cfg80211_drv_list, list)
- if (strcmp(newname, dev_name(&drv->wiphy.dev)) == 0)
+ list_for_each_entry(rdev2, &cfg80211_rdev_list, list)
+ if (strcmp(newname, dev_name(&rdev2->wiphy.dev)) == 0)
return -EINVAL;
result = device_rename(&rdev->wiphy.dev, newname);
@@ -228,28 +221,64 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
return 0;
}
+int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
+ struct net *net)
+{
+ struct wireless_dev *wdev;
+ int err = 0;
+
+ if (!rdev->wiphy.netnsok)
+ return -EOPNOTSUPP;
+
+ list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
+ err = dev_change_net_namespace(wdev->netdev, net, "wlan%d");
+ if (err)
+ break;
+ wdev->netdev->features |= NETIF_F_NETNS_LOCAL;
+ }
+
+ if (err) {
+ /* failed -- clean up to old netns */
+ net = wiphy_net(&rdev->wiphy);
+
+ list_for_each_entry_continue_reverse(wdev, &rdev->netdev_list,
+ list) {
+ wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
+ err = dev_change_net_namespace(wdev->netdev, net,
+ "wlan%d");
+ WARN_ON(err);
+ wdev->netdev->features |= NETIF_F_NETNS_LOCAL;
+ }
+ }
+
+ wiphy_net_set(&rdev->wiphy, net);
+
+ return err;
+}
+
static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
{
- struct cfg80211_registered_device *drv = data;
+ struct cfg80211_registered_device *rdev = data;
- drv->ops->rfkill_poll(&drv->wiphy);
+ rdev->ops->rfkill_poll(&rdev->wiphy);
}
static int cfg80211_rfkill_set_block(void *data, bool blocked)
{
- struct cfg80211_registered_device *drv = data;
+ struct cfg80211_registered_device *rdev = data;
struct wireless_dev *wdev;
if (!blocked)
return 0;
rtnl_lock();
- mutex_lock(&drv->devlist_mtx);
+ mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev, &drv->netdev_list, list)
+ list_for_each_entry(wdev, &rdev->netdev_list, list)
dev_close(wdev->netdev);
- mutex_unlock(&drv->devlist_mtx);
+ mutex_unlock(&rdev->devlist_mtx);
rtnl_unlock();
return 0;
@@ -257,10 +286,76 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
static void cfg80211_rfkill_sync_work(struct work_struct *work)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
+
+ rdev = container_of(work, struct cfg80211_registered_device, rfkill_sync);
+ cfg80211_rfkill_set_block(rdev, rfkill_blocked(rdev->rfkill));
+}
+
+static void cfg80211_process_events(struct wireless_dev *wdev)
+{
+ struct cfg80211_event *ev;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdev->event_lock, flags);
+ while (!list_empty(&wdev->event_list)) {
+ ev = list_first_entry(&wdev->event_list,
+ struct cfg80211_event, list);
+ list_del(&ev->list);
+ spin_unlock_irqrestore(&wdev->event_lock, flags);
+
+ wdev_lock(wdev);
+ switch (ev->type) {
+ case EVENT_CONNECT_RESULT:
+ __cfg80211_connect_result(
+ wdev->netdev, ev->cr.bssid,
+ ev->cr.req_ie, ev->cr.req_ie_len,
+ ev->cr.resp_ie, ev->cr.resp_ie_len,
+ ev->cr.status,
+ ev->cr.status == WLAN_STATUS_SUCCESS,
+ NULL);
+ break;
+ case EVENT_ROAMED:
+ __cfg80211_roamed(wdev, ev->rm.bssid,
+ ev->rm.req_ie, ev->rm.req_ie_len,
+ ev->rm.resp_ie, ev->rm.resp_ie_len);
+ break;
+ case EVENT_DISCONNECTED:
+ __cfg80211_disconnected(wdev->netdev,
+ ev->dc.ie, ev->dc.ie_len,
+ ev->dc.reason, true);
+ break;
+ case EVENT_IBSS_JOINED:
+ __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid);
+ break;
+ }
+ wdev_unlock(wdev);
+
+ kfree(ev);
+
+ spin_lock_irqsave(&wdev->event_lock, flags);
+ }
+ spin_unlock_irqrestore(&wdev->event_lock, flags);
+}
+
+static void cfg80211_event_work(struct work_struct *work)
+{
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+
+ rdev = container_of(work, struct cfg80211_registered_device,
+ event_work);
- drv = container_of(work, struct cfg80211_registered_device, rfkill_sync);
- cfg80211_rfkill_set_block(drv, rfkill_blocked(drv->rfkill));
+ rtnl_lock();
+ cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->devlist_mtx);
+
+ list_for_each_entry(wdev, &rdev->netdev_list, list)
+ cfg80211_process_events(wdev);
+
+ mutex_unlock(&rdev->devlist_mtx);
+ cfg80211_unlock_rdev(rdev);
+ rtnl_unlock();
}
/* exported functions */
@@ -269,76 +364,86 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
{
static int wiphy_counter;
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int alloc_size;
- WARN_ON(!ops->add_key && ops->del_key);
- WARN_ON(ops->add_key && !ops->del_key);
+ WARN_ON(ops->add_key && (!ops->del_key || !ops->set_default_key));
+ WARN_ON(ops->auth && (!ops->assoc || !ops->deauth || !ops->disassoc));
+ WARN_ON(ops->connect && !ops->disconnect);
+ WARN_ON(ops->join_ibss && !ops->leave_ibss);
+ WARN_ON(ops->add_virtual_intf && !ops->del_virtual_intf);
+ WARN_ON(ops->add_station && !ops->del_station);
+ WARN_ON(ops->add_mpath && !ops->del_mpath);
- alloc_size = sizeof(*drv) + sizeof_priv;
+ alloc_size = sizeof(*rdev) + sizeof_priv;
- drv = kzalloc(alloc_size, GFP_KERNEL);
- if (!drv)
+ rdev = kzalloc(alloc_size, GFP_KERNEL);
+ if (!rdev)
return NULL;
- drv->ops = ops;
+ rdev->ops = ops;
mutex_lock(&cfg80211_mutex);
- drv->wiphy_idx = wiphy_counter++;
+ rdev->wiphy_idx = wiphy_counter++;
- if (unlikely(!wiphy_idx_valid(drv->wiphy_idx))) {
+ if (unlikely(!wiphy_idx_valid(rdev->wiphy_idx))) {
wiphy_counter--;
mutex_unlock(&cfg80211_mutex);
/* ugh, wrapped! */
- kfree(drv);
+ kfree(rdev);
return NULL;
}
mutex_unlock(&cfg80211_mutex);
/* give it a proper name */
- dev_set_name(&drv->wiphy.dev, PHY_NAME "%d", drv->wiphy_idx);
+ dev_set_name(&rdev->wiphy.dev, PHY_NAME "%d", rdev->wiphy_idx);
- mutex_init(&drv->mtx);
- mutex_init(&drv->devlist_mtx);
- INIT_LIST_HEAD(&drv->netdev_list);
- spin_lock_init(&drv->bss_lock);
- INIT_LIST_HEAD(&drv->bss_list);
+ mutex_init(&rdev->mtx);
+ mutex_init(&rdev->devlist_mtx);
+ INIT_LIST_HEAD(&rdev->netdev_list);
+ spin_lock_init(&rdev->bss_lock);
+ INIT_LIST_HEAD(&rdev->bss_list);
+ INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
- device_initialize(&drv->wiphy.dev);
- drv->wiphy.dev.class = &ieee80211_class;
- drv->wiphy.dev.platform_data = drv;
+ device_initialize(&rdev->wiphy.dev);
+ rdev->wiphy.dev.class = &ieee80211_class;
+ rdev->wiphy.dev.platform_data = rdev;
- drv->rfkill_ops.set_block = cfg80211_rfkill_set_block;
- drv->rfkill = rfkill_alloc(dev_name(&drv->wiphy.dev),
- &drv->wiphy.dev, RFKILL_TYPE_WLAN,
- &drv->rfkill_ops, drv);
+ wiphy_net_set(&rdev->wiphy, &init_net);
- if (!drv->rfkill) {
- kfree(drv);
+ rdev->rfkill_ops.set_block = cfg80211_rfkill_set_block;
+ rdev->rfkill = rfkill_alloc(dev_name(&rdev->wiphy.dev),
+ &rdev->wiphy.dev, RFKILL_TYPE_WLAN,
+ &rdev->rfkill_ops, rdev);
+
+ if (!rdev->rfkill) {
+ kfree(rdev);
return NULL;
}
- INIT_WORK(&drv->rfkill_sync, cfg80211_rfkill_sync_work);
+ INIT_WORK(&rdev->rfkill_sync, cfg80211_rfkill_sync_work);
+ INIT_WORK(&rdev->conn_work, cfg80211_conn_work);
+ INIT_WORK(&rdev->event_work, cfg80211_event_work);
/*
* Initialize wiphy parameters to IEEE 802.11 MIB default values.
* Fragmentation and RTS threshold are disabled by default with the
* special -1 value.
*/
- drv->wiphy.retry_short = 7;
- drv->wiphy.retry_long = 4;
- drv->wiphy.frag_threshold = (u32) -1;
- drv->wiphy.rts_threshold = (u32) -1;
+ rdev->wiphy.retry_short = 7;
+ rdev->wiphy.retry_long = 4;
+ rdev->wiphy.frag_threshold = (u32) -1;
+ rdev->wiphy.rts_threshold = (u32) -1;
- return &drv->wiphy;
+ return &rdev->wiphy;
}
EXPORT_SYMBOL(wiphy_new);
int wiphy_register(struct wiphy *wiphy)
{
- struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
int res;
enum ieee80211_band band;
struct ieee80211_supported_band *sband;
@@ -346,9 +451,6 @@ int wiphy_register(struct wiphy *wiphy)
int i;
u16 ifmodes = wiphy->interface_modes;
- if (WARN_ON(wiphy->max_scan_ssids < 1))
- return -EINVAL;
-
/* sanity check ifmodes */
WARN_ON(!ifmodes);
ifmodes &= ((1 << __NL80211_IFTYPE_AFTER_LAST) - 1) & ~1;
@@ -395,11 +497,11 @@ int wiphy_register(struct wiphy *wiphy)
/* check and set up bitrates */
ieee80211_set_bitrate_flags(wiphy);
- res = device_add(&drv->wiphy.dev);
+ res = device_add(&rdev->wiphy.dev);
if (res)
return res;
- res = rfkill_register(drv->rfkill);
+ res = rfkill_register(rdev->rfkill);
if (res)
goto out_rm_dev;
@@ -408,16 +510,16 @@ int wiphy_register(struct wiphy *wiphy)
/* set up regulatory info */
wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE);
- list_add(&drv->list, &cfg80211_drv_list);
+ list_add(&rdev->list, &cfg80211_rdev_list);
mutex_unlock(&cfg80211_mutex);
/* add to debugfs */
- drv->wiphy.debugfsdir =
- debugfs_create_dir(wiphy_name(&drv->wiphy),
+ rdev->wiphy.debugfsdir =
+ debugfs_create_dir(wiphy_name(&rdev->wiphy),
ieee80211_debugfs_dir);
- if (IS_ERR(drv->wiphy.debugfsdir))
- drv->wiphy.debugfsdir = NULL;
+ if (IS_ERR(rdev->wiphy.debugfsdir))
+ rdev->wiphy.debugfsdir = NULL;
if (wiphy->custom_regulatory) {
struct regulatory_request request;
@@ -430,48 +532,48 @@ int wiphy_register(struct wiphy *wiphy)
nl80211_send_reg_change_event(&request);
}
- cfg80211_debugfs_drv_add(drv);
+ cfg80211_debugfs_rdev_add(rdev);
return 0;
out_rm_dev:
- device_del(&drv->wiphy.dev);
+ device_del(&rdev->wiphy.dev);
return res;
}
EXPORT_SYMBOL(wiphy_register);
void wiphy_rfkill_start_polling(struct wiphy *wiphy)
{
- struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- if (!drv->ops->rfkill_poll)
+ if (!rdev->ops->rfkill_poll)
return;
- drv->rfkill_ops.poll = cfg80211_rfkill_poll;
- rfkill_resume_polling(drv->rfkill);
+ rdev->rfkill_ops.poll = cfg80211_rfkill_poll;
+ rfkill_resume_polling(rdev->rfkill);
}
EXPORT_SYMBOL(wiphy_rfkill_start_polling);
void wiphy_rfkill_stop_polling(struct wiphy *wiphy)
{
- struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- rfkill_pause_polling(drv->rfkill);
+ rfkill_pause_polling(rdev->rfkill);
}
EXPORT_SYMBOL(wiphy_rfkill_stop_polling);
void wiphy_unregister(struct wiphy *wiphy)
{
- struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- rfkill_unregister(drv->rfkill);
+ rfkill_unregister(rdev->rfkill);
/* protect the device list */
mutex_lock(&cfg80211_mutex);
- BUG_ON(!list_empty(&drv->netdev_list));
+ BUG_ON(!list_empty(&rdev->netdev_list));
/*
- * Try to grab drv->mtx. If a command is still in progress,
+ * Try to grab rdev->mtx. If a command is still in progress,
* hopefully the driver will refuse it since it's tearing
* down the device already. We wait for this command to complete
* before unlinking the item from the list.
@@ -480,33 +582,38 @@ void wiphy_unregister(struct wiphy *wiphy)
* get to lock contention here if userspace issues a command
* that identified the hardware by wiphy index.
*/
- mutex_lock(&drv->mtx);
+ mutex_lock(&rdev->mtx);
/* unlock again before freeing */
- mutex_unlock(&drv->mtx);
+ mutex_unlock(&rdev->mtx);
- cfg80211_debugfs_drv_del(drv);
+ cfg80211_debugfs_rdev_del(rdev);
/* If this device got a regulatory hint tell core its
* free to listen now to a new shiny device regulatory hint */
reg_device_remove(wiphy);
- list_del(&drv->list);
- device_del(&drv->wiphy.dev);
- debugfs_remove(drv->wiphy.debugfsdir);
+ list_del(&rdev->list);
+ device_del(&rdev->wiphy.dev);
+ debugfs_remove(rdev->wiphy.debugfsdir);
mutex_unlock(&cfg80211_mutex);
+
+ cancel_work_sync(&rdev->conn_work);
+ cancel_work_sync(&rdev->scan_done_wk);
+ kfree(rdev->scan_req);
+ flush_work(&rdev->event_work);
}
EXPORT_SYMBOL(wiphy_unregister);
-void cfg80211_dev_free(struct cfg80211_registered_device *drv)
+void cfg80211_dev_free(struct cfg80211_registered_device *rdev)
{
struct cfg80211_internal_bss *scan, *tmp;
- rfkill_destroy(drv->rfkill);
- mutex_destroy(&drv->mtx);
- mutex_destroy(&drv->devlist_mtx);
- list_for_each_entry_safe(scan, tmp, &drv->bss_list, list)
+ rfkill_destroy(rdev->rfkill);
+ mutex_destroy(&rdev->mtx);
+ mutex_destroy(&rdev->devlist_mtx);
+ list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list)
cfg80211_put_bss(&scan->pub);
- kfree(drv);
+ kfree(rdev);
}
void wiphy_free(struct wiphy *wiphy)
@@ -517,10 +624,10 @@ EXPORT_SYMBOL(wiphy_free);
void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked)
{
- struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- if (rfkill_set_hw_state(drv->rfkill, blocked))
- schedule_work(&drv->rfkill_sync);
+ if (rfkill_set_hw_state(rdev->rfkill, blocked))
+ schedule_work(&rdev->rfkill_sync);
}
EXPORT_SYMBOL(wiphy_rfkill_set_hw_state);
@@ -529,56 +636,113 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
void *ndev)
{
struct net_device *dev = ndev;
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev;
- if (!dev->ieee80211_ptr)
+ if (!wdev)
return NOTIFY_DONE;
- rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
+ rdev = wiphy_to_dev(wdev->wiphy);
- WARN_ON(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_UNSPECIFIED);
+ WARN_ON(wdev->iftype == NL80211_IFTYPE_UNSPECIFIED);
switch (state) {
case NETDEV_REGISTER:
+ mutex_init(&wdev->mtx);
+ INIT_LIST_HEAD(&wdev->event_list);
+ spin_lock_init(&wdev->event_lock);
mutex_lock(&rdev->devlist_mtx);
- list_add(&dev->ieee80211_ptr->list, &rdev->netdev_list);
+ list_add(&wdev->list, &rdev->netdev_list);
+ /* can only change netns with wiphy */
+ dev->features |= NETIF_F_NETNS_LOCAL;
+
if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj,
"phy80211")) {
printk(KERN_ERR "wireless: failed to add phy80211 "
"symlink to netdev!\n");
}
- dev->ieee80211_ptr->netdev = dev;
+ wdev->netdev = dev;
+ wdev->sme_state = CFG80211_SME_IDLE;
+ mutex_unlock(&rdev->devlist_mtx);
#ifdef CONFIG_WIRELESS_EXT
- dev->ieee80211_ptr->wext.default_key = -1;
- dev->ieee80211_ptr->wext.default_mgmt_key = -1;
+ if (!dev->wireless_handlers)
+ dev->wireless_handlers = &cfg80211_wext_handler;
+ wdev->wext.default_key = -1;
+ wdev->wext.default_mgmt_key = -1;
+ wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+ wdev->wext.ps = CONFIG_CFG80211_DEFAULT_PS_VALUE;
+ wdev->wext.ps_timeout = 100;
+ if (rdev->ops->set_power_mgmt)
+ if (rdev->ops->set_power_mgmt(wdev->wiphy, dev,
+ wdev->wext.ps,
+ wdev->wext.ps_timeout)) {
+ /* assume this means it's off */
+ wdev->wext.ps = false;
+ }
#endif
- mutex_unlock(&rdev->devlist_mtx);
break;
case NETDEV_GOING_DOWN:
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ cfg80211_leave_ibss(rdev, dev, true);
+ break;
+ case NL80211_IFTYPE_STATION:
+ wdev_lock(wdev);
+#ifdef CONFIG_WIRELESS_EXT
+ kfree(wdev->wext.ie);
+ wdev->wext.ie = NULL;
+ wdev->wext.ie_len = 0;
+ wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+#endif
+ __cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, true);
+ cfg80211_mlme_down(rdev, dev);
+ wdev_unlock(wdev);
break;
- if (!dev->ieee80211_ptr->ssid_len)
+ default:
break;
- cfg80211_leave_ibss(rdev, dev, true);
+ }
break;
case NETDEV_UP:
#ifdef CONFIG_WIRELESS_EXT
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
+ cfg80211_lock_rdev(rdev);
+ wdev_lock(wdev);
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ cfg80211_ibss_wext_join(rdev, wdev);
break;
- if (!dev->ieee80211_ptr->wext.ibss.ssid_len)
+ case NL80211_IFTYPE_STATION:
+ cfg80211_mgd_wext_connect(rdev, wdev);
break;
- cfg80211_join_ibss(rdev, dev, &dev->ieee80211_ptr->wext.ibss);
- break;
+ default:
+ break;
+ }
+ wdev_unlock(wdev);
+ cfg80211_unlock_rdev(rdev);
#endif
+ break;
case NETDEV_UNREGISTER:
mutex_lock(&rdev->devlist_mtx);
- if (!list_empty(&dev->ieee80211_ptr->list)) {
+ /*
+ * It is possible to get NETDEV_UNREGISTER
+ * multiple times. To detect that, check
+ * that the interface is still on the list
+ * of registered interfaces, and only then
+ * remove and clean it up.
+ */
+ if (!list_empty(&wdev->list)) {
sysfs_remove_link(&dev->dev.kobj, "phy80211");
- list_del_init(&dev->ieee80211_ptr->list);
+ list_del_init(&wdev->list);
+ mutex_destroy(&wdev->mtx);
+#ifdef CONFIG_WIRELESS_EXT
+ kfree(wdev->wext.keys);
+#endif
}
mutex_unlock(&rdev->devlist_mtx);
break;
case NETDEV_PRE_UP:
+ if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)))
+ return notifier_from_errno(-EOPNOTSUPP);
if (rfkill_blocked(rdev->rfkill))
return notifier_from_errno(-ERFKILL);
break;
@@ -591,10 +755,32 @@ static struct notifier_block cfg80211_netdev_notifier = {
.notifier_call = cfg80211_netdev_notifier_call,
};
-static int cfg80211_init(void)
+static void __net_exit cfg80211_pernet_exit(struct net *net)
+{
+ struct cfg80211_registered_device *rdev;
+
+ rtnl_lock();
+ mutex_lock(&cfg80211_mutex);
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ if (net_eq(wiphy_net(&rdev->wiphy), net))
+ WARN_ON(cfg80211_switch_netns(rdev, &init_net));
+ }
+ mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
+}
+
+static struct pernet_operations cfg80211_pernet_ops = {
+ .exit = cfg80211_pernet_exit,
+};
+
+static int __init cfg80211_init(void)
{
int err;
+ err = register_pernet_device(&cfg80211_pernet_ops);
+ if (err)
+ goto out_fail_pernet;
+
err = wiphy_sysfs_init();
if (err)
goto out_fail_sysfs;
@@ -622,9 +808,10 @@ out_fail_nl80211:
out_fail_notifier:
wiphy_sysfs_exit();
out_fail_sysfs:
+ unregister_pernet_device(&cfg80211_pernet_ops);
+out_fail_pernet:
return err;
}
-
subsys_initcall(cfg80211_init);
static void cfg80211_exit(void)
@@ -634,5 +821,6 @@ static void cfg80211_exit(void)
unregister_netdevice_notifier(&cfg80211_netdev_notifier);
wiphy_sysfs_exit();
regulatory_exit();
+ unregister_pernet_device(&cfg80211_pernet_ops);
}
module_exit(cfg80211_exit);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index bfa340c7abb..325c17e6198 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -57,6 +57,17 @@ struct cfg80211_registered_device {
u32 bss_generation;
struct cfg80211_scan_request *scan_req; /* protected by RTNL */
unsigned long suspend_at;
+ struct work_struct scan_done_wk;
+
+#ifdef CONFIG_NL80211_TESTMODE
+ struct genl_info *testmode_info;
+#endif
+
+ struct work_struct conn_work;
+ struct work_struct event_work;
+
+ /* current channel */
+ struct ieee80211_channel *channel;
#ifdef CONFIG_CFG80211_DEBUGFS
/* Debugfs entries */
@@ -89,13 +100,13 @@ bool wiphy_idx_valid(int wiphy_idx)
}
extern struct mutex cfg80211_mutex;
-extern struct list_head cfg80211_drv_list;
+extern struct list_head cfg80211_rdev_list;
#define assert_cfg80211_lock() WARN_ON(!mutex_is_locked(&cfg80211_mutex))
/*
* You can use this to mark a wiphy_idx as not having an associated wiphy.
- * It guarantees cfg80211_drv_by_wiphy_idx(wiphy_idx) will return NULL
+ * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL
*/
#define WIPHY_IDX_STALE -1
@@ -104,17 +115,40 @@ struct cfg80211_internal_bss {
struct rb_node rbn;
unsigned long ts;
struct kref ref;
- bool hold, ies_allocated;
+ atomic_t hold;
+ bool ies_allocated;
/* must be last because of priv member */
struct cfg80211_bss pub;
};
-struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx);
+static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
+{
+ return container_of(pub, struct cfg80211_internal_bss, pub);
+}
+
+static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss)
+{
+ kref_get(&bss->ref);
+}
+
+static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
+{
+ atomic_inc(&bss->hold);
+}
+
+static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
+{
+ int r = atomic_dec_return(&bss->hold);
+ WARN_ON(r < 0);
+}
+
+
+struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
int get_wiphy_idx(struct wiphy *wiphy);
struct cfg80211_registered_device *
-__cfg80211_drv_from_info(struct genl_info *info);
+__cfg80211_rdev_from_info(struct genl_info *info);
/*
* This function returns a pointer to the driver
@@ -122,12 +156,12 @@ __cfg80211_drv_from_info(struct genl_info *info);
* If successful, it returns non-NULL and also locks
* the driver's mutex!
*
- * This means that you need to call cfg80211_put_dev()
+ * This means that you need to call cfg80211_unlock_rdev()
* before being allowed to acquire &cfg80211_mutex!
*
* This is necessary because we need to lock the global
* mutex to get an item off the list safely, and then
- * we lock the drv mutex so it doesn't go away under us.
+ * we lock the rdev mutex so it doesn't go away under us.
*
* We don't want to keep cfg80211_mutex locked
* for all the time in order to allow requests on
@@ -139,19 +173,93 @@ __cfg80211_drv_from_info(struct genl_info *info);
extern struct cfg80211_registered_device *
cfg80211_get_dev_from_info(struct genl_info *info);
-/* requires cfg80211_drv_mutex to be held! */
+/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
extern struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(int ifindex);
+cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
+
+int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
+ struct net *net);
+
+static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
+{
+ mutex_lock(&rdev->mtx);
+}
+
+static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
+{
+ BUG_ON(IS_ERR(rdev) || !rdev);
+ mutex_unlock(&rdev->mtx);
+}
+
+static inline void wdev_lock(struct wireless_dev *wdev)
+ __acquires(wdev)
+{
+ mutex_lock(&wdev->mtx);
+ __acquire(wdev->mtx);
+}
+
+static inline void wdev_unlock(struct wireless_dev *wdev)
+ __releases(wdev)
+{
+ __release(wdev->mtx);
+ mutex_unlock(&wdev->mtx);
+}
+
+#define ASSERT_RDEV_LOCK(rdev) WARN_ON(!mutex_is_locked(&(rdev)->mtx));
+#define ASSERT_WDEV_LOCK(wdev) WARN_ON(!mutex_is_locked(&(wdev)->mtx));
+
+enum cfg80211_event_type {
+ EVENT_CONNECT_RESULT,
+ EVENT_ROAMED,
+ EVENT_DISCONNECTED,
+ EVENT_IBSS_JOINED,
+};
+
+struct cfg80211_event {
+ struct list_head list;
+ enum cfg80211_event_type type;
+
+ union {
+ struct {
+ u8 bssid[ETH_ALEN];
+ const u8 *req_ie;
+ const u8 *resp_ie;
+ size_t req_ie_len;
+ size_t resp_ie_len;
+ u16 status;
+ } cr;
+ struct {
+ u8 bssid[ETH_ALEN];
+ const u8 *req_ie;
+ const u8 *resp_ie;
+ size_t req_ie_len;
+ size_t resp_ie_len;
+ } rm;
+ struct {
+ const u8 *ie;
+ size_t ie_len;
+ u16 reason;
+ } dc;
+ struct {
+ u8 bssid[ETH_ALEN];
+ } ij;
+ };
+};
+
+struct cfg80211_cached_keys {
+ struct key_params params[6];
+ u8 data[6][WLAN_MAX_KEY_LEN];
+ int def, defmgmt;
+};
-extern void cfg80211_put_dev(struct cfg80211_registered_device *drv);
/* free object */
-extern void cfg80211_dev_free(struct cfg80211_registered_device *drv);
+extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
-extern int cfg80211_dev_rename(struct cfg80211_registered_device *drv,
+extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
char *newname);
void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
@@ -163,15 +271,99 @@ void cfg80211_bss_age(struct cfg80211_registered_device *dev,
unsigned long age_secs);