From: Alexander Smirnov <alex.bluesman.smir...@gmail.com>

Basic support for IEEE 802.15.4 management information base.
Currently setting of HW address is implemented only.

Signed-off-by: Alexander Smirnov <alex.bluesman.smir...@gmail.com>
---
 net/mac802154/Makefile    |    2 +-
 net/mac802154/mac802154.h |    3 +
 net/mac802154/mib.c       |   96 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+), 1 deletions(-)
 create mode 100644 net/mac802154/mib.c

diff --git a/net/mac802154/Makefile b/net/mac802154/Makefile
index 4d9dd0f..6b348b0 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 fc0aa75..d0e3d8d 100644
--- a/net/mac802154/mac802154.h
+++ b/net/mac802154/mac802154.h
@@ -90,4 +90,7 @@ 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 0000000..1a3c913
--- /dev/null
+++ b/net/mac802154/mib.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2007, 2008, 2009 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 <dbarysh...@gmail.com>
+ * Sergey Lapin <sla...@ossfans.org>
+ * Maxim Gorbachyov <maxim.gorbac...@siemens.com>
+ */
+
+#include <linux/if_arp.h>
+
+#include <net/mac802154.h>
+#include <net/wpan-phy.h>
+
+#include "mac802154.h"
+
+struct phy_chan_notify_work {
+       struct work_struct work;
+       struct net_device *dev;
+};
+
+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("%s: failed changed mask %lx\n",
+                       __func__, 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);
+
+       if (priv->hw->ops->set_hw_addr_filt &&
+               memcmp(priv->hw->hw.hw_filt.ieee_addr,
+                       dev->dev_addr, IEEE802154_ADDR_LEN)) {
+               memcpy(priv->hw->hw.hw_filt.ieee_addr,
+                       dev->dev_addr, IEEE802154_ADDR_LEN);
+               set_hw_addr_filt(dev, IEEE802515_IEEEADDR_CHANGED);
+       }
+}
-- 
1.7.0.4


------------------------------------------------------------------------------
Cloud Computing - Latest Buzzword or a Glimpse of the Future?
This paper surveys cloud computing today: What are the benefits? 
Why are businesses embracing it? What are its payoffs and pitfalls?
http://www.accelacomm.com/jaw/sdnl/114/51425149/
_______________________________________________
Linux-zigbee-devel mailing list
Linux-zigbee-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-zigbee-devel

Reply via email to