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authoralex.bluesman.smirnov@gmail.com <alex.bluesman.smirnov@gmail.com>2012-05-15 20:50:26 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-16 15:17:08 -0400
commitef2486f5538b886ad4f0d1ac0857b518291b48f7 (patch)
tree2ca4e7f9f7ca50af3dec881942ee14cf7ae115fa /net
parent6e2128d42af43906d8bcbed7cf2207244fa4301e (diff)
downloadlinux-ef2486f5538b886ad4f0d1ac0857b518291b48f7.tar.gz
mac802154: basic mib support
Basic support for IEEE 802.15.4 management information base. Current implementation contains a command to set HW address only. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/mac802154/Makefile2
-rw-r--r--net/mac802154/mac802154.h3
-rw-r--r--net/mac802154/mib.c93
3 files changed, 97 insertions, 1 deletions
diff --git a/net/mac802154/Makefile b/net/mac802154/Makefile
index 4d9dd0f3b96..6b348b07a76 100644
--- a/net/mac802154/Makefile
+++ b/net/mac802154/Makefile
@@ -1,2 +1,2 @@
obj-$(CONFIG_MAC802154) += mac802154.o
-mac802154-objs := ieee802154_dev.o rx.o tx.o mac_cmd.o
+mac802154-objs := ieee802154_dev.o rx.o tx.o mac_cmd.o mib.o
diff --git a/net/mac802154/mac802154.h b/net/mac802154/mac802154.h
index 7ec2821c574..7d9a0d4a99f 100644
--- a/net/mac802154/mac802154.h
+++ b/net/mac802154/mac802154.h
@@ -95,4 +95,7 @@ extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
u8 page, u8 chan);
+/* MIB callbacks */
+void mac802154_dev_set_ieee_addr(struct net_device *dev);
+
#endif /* MAC802154_H */
diff --git a/net/mac802154/mib.c b/net/mac802154/mib.c
new file mode 100644
index 00000000000..ab59821ec72
--- /dev/null
+++ b/net/mac802154/mib.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2007-2012 Siemens AG
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ * Sergey Lapin <slapin@ossfans.org>
+ * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
+ * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
+ */
+
+#include <linux/if_arp.h>
+
+#include <net/mac802154.h>
+#include <net/wpan-phy.h>
+
+#include "mac802154.h"
+
+struct hw_addr_filt_notify_work {
+ struct work_struct work;
+ struct net_device *dev;
+ unsigned long changed;
+};
+
+struct mac802154_priv *mac802154_slave_get_priv(struct net_device *dev)
+{
+ struct mac802154_sub_if_data *priv = netdev_priv(dev);
+
+ BUG_ON(dev->type != ARPHRD_IEEE802154);
+
+ return priv->hw;
+}
+
+static void hw_addr_notify(struct work_struct *work)
+{
+ struct hw_addr_filt_notify_work *nw = container_of(work,
+ struct hw_addr_filt_notify_work, work);
+ struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
+ int res;
+
+ res = hw->ops->set_hw_addr_filt(&hw->hw,
+ &hw->hw.hw_filt,
+ nw->changed);
+ if (res)
+ pr_debug("failed changed mask %lx\n", nw->changed);
+
+ kfree(nw);
+
+ return;
+}
+
+static void set_hw_addr_filt(struct net_device *dev, unsigned long changed)
+{
+ struct mac802154_sub_if_data *priv = netdev_priv(dev);
+ struct hw_addr_filt_notify_work *work;
+
+ work = kzalloc(sizeof(*work), GFP_ATOMIC);
+ if (!work)
+ return;
+
+ INIT_WORK(&work->work, hw_addr_notify);
+ work->dev = dev;
+ work->changed = changed;
+ queue_work(priv->hw->dev_workqueue, &work->work);
+
+ return;
+}
+
+void mac802154_dev_set_ieee_addr(struct net_device *dev)
+{
+ struct mac802154_sub_if_data *priv = netdev_priv(dev);
+ struct mac802154_priv *mac = priv->hw;
+
+ if (mac->ops->set_hw_addr_filt &&
+ memcmp(mac->hw.hw_filt.ieee_addr,
+ dev->dev_addr, IEEE802154_ADDR_LEN)) {
+ memcpy(mac->hw.hw_filt.ieee_addr,
+ dev->dev_addr, IEEE802154_ADDR_LEN);
+ set_hw_addr_filt(dev, IEEE802515_AFILT_IEEEADDR_CHANGED);
+ }
+}