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mac802154: basic mib support

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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>
This commit is contained in:
alex.bluesman.smirnov@gmail.com 2012-05-15 20:50:26 +00:00 committed by David S. Miller
parent 6e2128d42a
commit ef2486f553
3 changed files with 97 additions and 1 deletions
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2
net/mac802154/Makefile
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@ -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

3
net/mac802154/mac802154.h
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@ -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 */

93
net/mac802154/mib.c Normal file
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@ -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);
}
}