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authorDavid S. Miller <davem@davemloft.net>2009-11-29 00:57:15 -0800
committerDavid S. Miller <davem@davemloft.net>2009-11-29 00:57:15 -0800
commit9b963e5d0e01461099a40117b05480f24b63381f (patch)
tree4756d554e37bf4ab7202f2c564cbe629af98b576 /net
parent3b8626ba01a8a745a3fdf22dd347edd708b0af13 (diff)
parent5fdd4baef6195a1f2960e901c8877e2105f832ca (diff)
downloadvexpress-lsk-9b963e5d0e01461099a40117b05480f24b63381f.tar.gz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/ieee802154/fakehard.c drivers/net/e1000e/ich8lan.c drivers/net/e1000e/phy.c drivers/net/netxen/netxen_nic_init.c drivers/net/wireless/ath/ath9k/main.c
Diffstat (limited to 'net')
-rw-r--r--net/core/pktgen.c32
-rw-r--r--net/mac80211/agg-tx.c18
-rw-r--r--net/mac80211/ieee80211_i.h8
-rw-r--r--net/mac80211/util.c19
-rw-r--r--net/netfilter/nf_log.c18
-rw-r--r--net/netfilter/xt_limit.c2
-rw-r--r--net/netfilter/xt_osf.c2
-rw-r--r--net/rfkill/core.c1
-rw-r--r--net/sctp/outqueue.c10
-rw-r--r--net/sctp/sm_sideeffect.c1
-rw-r--r--net/sctp/transport.c5
11 files changed, 55 insertions, 61 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index d38470a3279..b44104d3e6b 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -364,6 +364,7 @@ struct pktgen_dev {
* device name (not when the inject is
* started as it used to do.)
*/
+ char odevname[32];
struct flow_state *flows;
unsigned cflows; /* Concurrent flows (config) */
unsigned lflow; /* Flow length (config) */
@@ -427,7 +428,7 @@ static const char version[] =
static int pktgen_remove_device(struct pktgen_thread *t, struct pktgen_dev *i);
static int pktgen_add_device(struct pktgen_thread *t, const char *ifname);
static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t,
- const char *ifname);
+ const char *ifname, bool exact);
static int pktgen_device_event(struct notifier_block *, unsigned long, void *);
static void pktgen_run_all_threads(void);
static void pktgen_reset_all_threads(void);
@@ -529,7 +530,7 @@ static int pktgen_if_show(struct seq_file *seq, void *v)
seq_printf(seq,
" frags: %d delay: %llu clone_skb: %d ifname: %s\n",
pkt_dev->nfrags, (unsigned long long) pkt_dev->delay,
- pkt_dev->clone_skb, pkt_dev->odev->name);
+ pkt_dev->clone_skb, pkt_dev->odevname);
seq_printf(seq, " flows: %u flowlen: %u\n", pkt_dev->cflows,
pkt_dev->lflow);
@@ -1689,13 +1690,13 @@ static int pktgen_thread_show(struct seq_file *seq, void *v)
if_lock(t);
list_for_each_entry(pkt_dev, &t->if_list, list)
if (pkt_dev->running)
- seq_printf(seq, "%s ", pkt_dev->odev->name);
+ seq_printf(seq, "%s ", pkt_dev->odevname);
seq_printf(seq, "\nStopped: ");
list_for_each_entry(pkt_dev, &t->if_list, list)
if (!pkt_dev->running)
- seq_printf(seq, "%s ", pkt_dev->odev->name);
+ seq_printf(seq, "%s ", pkt_dev->odevname);
if (t->result[0])
seq_printf(seq, "\nResult: %s\n", t->result);
@@ -1818,9 +1819,10 @@ static struct pktgen_dev *__pktgen_NN_threads(const char *ifname, int remove)
{
struct pktgen_thread *t;
struct pktgen_dev *pkt_dev = NULL;
+ bool exact = (remove == FIND);
list_for_each_entry(t, &pktgen_threads, th_list) {
- pkt_dev = pktgen_find_dev(t, ifname);
+ pkt_dev = pktgen_find_dev(t, ifname, exact);
if (pkt_dev) {
if (remove) {
if_lock(t);
@@ -1995,7 +1997,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
"queue_map_min (zero-based) (%d) exceeds valid range "
"[0 - %d] for (%d) queues on %s, resetting\n",
pkt_dev->queue_map_min, (ntxq ?: 1) - 1, ntxq,
- pkt_dev->odev->name);
+ pkt_dev->odevname);
pkt_dev->queue_map_min = ntxq - 1;
}
if (pkt_dev->queue_map_max >= ntxq) {
@@ -2003,7 +2005,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
"queue_map_max (zero-based) (%d) exceeds valid range "
"[0 - %d] for (%d) queues on %s, resetting\n",
pkt_dev->queue_map_max, (ntxq ?: 1) - 1, ntxq,
- pkt_dev->odev->name);
+ pkt_dev->odevname);
pkt_dev->queue_map_max = ntxq - 1;
}
@@ -3263,7 +3265,7 @@ static int pktgen_stop_device(struct pktgen_dev *pkt_dev)
if (!pkt_dev->running) {
printk(KERN_WARNING "pktgen: interface: %s is already "
- "stopped\n", pkt_dev->odev->name);
+ "stopped\n", pkt_dev->odevname);
return -EINVAL;
}
@@ -3467,7 +3469,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
default: /* Drivers are not supposed to return other values! */
if (net_ratelimit())
pr_info("pktgen: %s xmit error: %d\n",
- odev->name, ret);
+ pkt_dev->odevname, ret);
pkt_dev->errors++;
/* fallthru */
case NETDEV_TX_LOCKED:
@@ -3570,13 +3572,18 @@ static int pktgen_thread_worker(void *arg)
}
static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t,
- const char *ifname)
+ const char *ifname, bool exact)
{
struct pktgen_dev *p, *pkt_dev = NULL;
- if_lock(t);
+ size_t len = strlen(ifname);
+ if_lock(t);
list_for_each_entry(p, &t->if_list, list)
- if (strncmp(p->odev->name, ifname, IFNAMSIZ) == 0) {
+ if (strncmp(p->odevname, ifname, len) == 0) {
+ if (p->odevname[len]) {
+ if (exact || p->odevname[len] != '@')
+ continue;
+ }
pkt_dev = p;
break;
}
@@ -3632,6 +3639,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
if (!pkt_dev)
return -ENOMEM;
+ strcpy(pkt_dev->odevname, ifname);
pkt_dev->flows = vmalloc(MAX_CFLOWS * sizeof(struct flow_state));
if (pkt_dev->flows == NULL) {
kfree(pkt_dev);
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index b50b2bc3b8c..adf01fcd462 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -175,12 +175,14 @@ static void sta_addba_resp_timer_expired(unsigned long data)
/* check if the TID waits for addBA response */
spin_lock_bh(&sta->lock);
- if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
+ if ((*state & (HT_ADDBA_REQUESTED_MSK | HT_ADDBA_RECEIVED_MSK)) !=
+ HT_ADDBA_REQUESTED_MSK) {
spin_unlock_bh(&sta->lock);
*state = HT_AGG_STATE_IDLE;
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "timer expired on tid %d but we are not "
- "expecting addBA response there", tid);
+ "(or no longer) expecting addBA response there",
+ tid);
#endif
return;
}
@@ -649,21 +651,21 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
state = &sta->ampdu_mlme.tid_state_tx[tid];
- del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
-
spin_lock_bh(&sta->lock);
if (!(*state & HT_ADDBA_REQUESTED_MSK))
- goto timer_still_needed;
+ goto out;
if (mgmt->u.action.u.addba_resp.dialog_token !=
sta->ampdu_mlme.tid_tx[tid]->dialog_token) {
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- goto timer_still_needed;
+ goto out;
}
+ del_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
+
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
@@ -682,10 +684,6 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR);
}
- goto out;
-
- timer_still_needed:
- add_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
out:
spin_unlock_bh(&sta->lock);
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 04093e84ebd..ab289421163 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -601,6 +601,14 @@ struct ieee80211_local {
bool suspended;
/*
+ * Resuming is true while suspended, but when we're reprogramming the
+ * hardware -- at that time it's allowed to use ieee80211_queue_work()
+ * again even though some other parts of the stack are still suspended
+ * and we still drop received frames to avoid waking the stack.
+ */
+ bool resuming;
+
+ /*
* quiescing is true during the suspend process _only_ to
* ease timer cancelling etc.
*/
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 2fb0432ac83..d09f78bb244 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -520,9 +520,9 @@ EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);
*/
static bool ieee80211_can_queue_work(struct ieee80211_local *local)
{
- if (WARN(local->suspended, "queueing ieee80211 work while "
- "going to suspend\n"))
- return false;
+ if (WARN(local->suspended && !local->resuming,
+ "queueing ieee80211 work while going to suspend\n"))
+ return false;
return true;
}
@@ -1033,13 +1033,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
struct sta_info *sta;
unsigned long flags;
int res;
- bool from_suspend = local->suspended;
- /*
- * We're going to start the hardware, at that point
- * we are no longer suspended and can RX frames.
- */
- local->suspended = false;
+ if (local->suspended)
+ local->resuming = true;
/* restart hardware */
if (local->open_count) {
@@ -1137,11 +1133,14 @@ int ieee80211_reconfig(struct ieee80211_local *local)
* If this is for hw restart things are still running.
* We may want to change that later, however.
*/
- if (!from_suspend)
+ if (!local->suspended)
return 0;
#ifdef CONFIG_PM
+ /* first set suspended false, then resuming */
local->suspended = false;
+ mb();
+ local->resuming = false;
list_for_each_entry(sdata, &local->interfaces, list) {
switch(sdata->vif.type) {
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index c93494fef8e..d65d3481919 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -128,9 +128,8 @@ EXPORT_SYMBOL(nf_log_packet);
#ifdef CONFIG_PROC_FS
static void *seq_start(struct seq_file *seq, loff_t *pos)
- __acquires(RCU)
{
- rcu_read_lock();
+ mutex_lock(&nf_log_mutex);
if (*pos >= ARRAY_SIZE(nf_loggers))
return NULL;
@@ -149,9 +148,8 @@ static void *seq_next(struct seq_file *s, void *v, loff_t *pos)
}
static void seq_stop(struct seq_file *s, void *v)
- __releases(RCU)
{
- rcu_read_unlock();
+ mutex_unlock(&nf_log_mutex);
}
static int seq_show(struct seq_file *s, void *v)
@@ -161,7 +159,7 @@ static int seq_show(struct seq_file *s, void *v)
struct nf_logger *t;
int ret;
- logger = rcu_dereference(nf_loggers[*pos]);
+ logger = nf_loggers[*pos];
if (!logger)
ret = seq_printf(s, "%2lld NONE (", *pos);
@@ -171,22 +169,16 @@ static int seq_show(struct seq_file *s, void *v)
if (ret < 0)
return ret;
- mutex_lock(&nf_log_mutex);
list_for_each_entry(t, &nf_loggers_l[*pos], list[*pos]) {
ret = seq_printf(s, "%s", t->name);
- if (ret < 0) {
- mutex_unlock(&nf_log_mutex);
+ if (ret < 0)
return ret;
- }
if (&t->list[*pos] != nf_loggers_l[*pos].prev) {
ret = seq_printf(s, ",");
- if (ret < 0) {
- mutex_unlock(&nf_log_mutex);
+ if (ret < 0)
return ret;
- }
}
}
- mutex_unlock(&nf_log_mutex);
return seq_printf(s, ")\n");
}
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 2e8089ecd0a..2773be6a71d 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -112,7 +112,7 @@ static bool limit_mt_check(const struct xt_mtchk_param *par)
priv = kmalloc(sizeof(*priv), GFP_KERNEL);
if (priv == NULL)
- return -ENOMEM;
+ return false;
/* For SMP, we only want to use one set of state. */
r->master = priv;
diff --git a/net/netfilter/xt_osf.c b/net/netfilter/xt_osf.c
index 63e19050465..4d1a41bbd5d 100644
--- a/net/netfilter/xt_osf.c
+++ b/net/netfilter/xt_osf.c
@@ -118,7 +118,7 @@ static int xt_osf_remove_callback(struct sock *ctnl, struct sk_buff *skb,
{
struct xt_osf_user_finger *f;
struct xt_osf_finger *sf;
- int err = ENOENT;
+ int err = -ENOENT;
if (!osf_attrs[OSF_ATTR_FINGER])
return -EINVAL;
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 09f4e161799..448e5a0fcc2 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -1191,6 +1191,7 @@ static long rfkill_fop_ioctl(struct file *file, unsigned int cmd,
#endif
static const struct file_operations rfkill_fops = {
+ .owner = THIS_MODULE,
.open = rfkill_fop_open,
.read = rfkill_fop_read,
.write = rfkill_fop_write,
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 2f2377369e2..e231a983101 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -423,16 +423,6 @@ void sctp_retransmit_mark(struct sctp_outq *q,
if ((reason == SCTP_RTXR_FAST_RTX &&
(chunk->fast_retransmit == SCTP_NEED_FRTX)) ||
(reason != SCTP_RTXR_FAST_RTX && !chunk->tsn_gap_acked)) {
- /* If this chunk was sent less then 1 rto ago, do not
- * retransmit this chunk, but give the peer time
- * to acknowlege it. Do this only when
- * retransmitting due to T3 timeout.
- */
- if (reason == SCTP_RTXR_T3_RTX &&
- time_before(jiffies, chunk->sent_at +
- transport->last_rto))
- continue;
-
/* RFC 2960 6.2.1 Processing a Received SACK
*
* C) Any time a DATA chunk is marked for
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 8ae67098e09..d771cc1b777 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -479,7 +479,6 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
* that indicates that we have an outstanding HB.
*/
if (!is_hb || transport->hb_sent) {
- transport->last_rto = transport->rto;
transport->rto = min((transport->rto * 2), transport->asoc->rto_max);
}
}
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 9a6cb22d129..b827d21dbe5 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -74,7 +74,7 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
* given destination transport address, set RTO to the protocol
* parameter 'RTO.Initial'.
*/
- peer->last_rto = peer->rto = msecs_to_jiffies(sctp_rto_initial);
+ peer->rto = msecs_to_jiffies(sctp_rto_initial);
peer->rtt = 0;
peer->rttvar = 0;
peer->srtt = 0;
@@ -385,7 +385,6 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
tp->rto = tp->asoc->rto_max;
tp->rtt = rtt;
- tp->last_rto = tp->rto;
/* Reset rto_pending so that a new RTT measurement is started when a
* new data chunk is sent.
@@ -637,7 +636,7 @@ void sctp_transport_reset(struct sctp_transport *t)
t->cwnd = min(4*asoc->pathmtu, max_t(__u32, 2*asoc->pathmtu, 4380));
t->burst_limited = 0;
t->ssthresh = asoc->peer.i.a_rwnd;
- t->last_rto = t->rto = asoc->rto_initial;
+ t->rto = asoc->rto_initial;
t->rtt = 0;
t->srtt = 0;
t->rttvar = 0;