Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ef2486f5 authored by alex.bluesman.smirnov@gmail.com's avatar alex.bluesman.smirnov@gmail.com Committed by David S. Miller
Browse files

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: default avatarAlexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6e2128d4

net/mac802154/Makefile

+1 −1
Original line number Diff line number Diff line 
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

net/mac802154/mac802154.h

+3 −0
Original line number Diff line number Diff line
@@ -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 */

net/mac802154/mib.c

0 → 100644
+93 −0
Original line number Diff line number Diff line 
/*

 * 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);

	}

}