mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-13 20:33:15 +00:00
dcbe4f93f6
Two methods intended to get and set the Private Area Network identifier were added to the MIB implementation. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/*
|
|
* 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);
|
|
}
|
|
}
|
|
|
|
u16 mac802154_dev_get_pan_id(const struct net_device *dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
u16 ret;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
spin_lock_bh(&priv->mib_lock);
|
|
ret = priv->pan_id;
|
|
spin_unlock_bh(&priv->mib_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void mac802154_dev_set_pan_id(struct net_device *dev, u16 val)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
spin_lock_bh(&priv->mib_lock);
|
|
priv->pan_id = val;
|
|
spin_unlock_bh(&priv->mib_lock);
|
|
|
|
if ((priv->hw->ops->set_hw_addr_filt) &&
|
|
(priv->hw->hw.hw_filt.pan_id != priv->pan_id)) {
|
|
priv->hw->hw.hw_filt.pan_id = priv->pan_id;
|
|
set_hw_addr_filt(dev, IEEE802515_AFILT_PANID_CHANGED);
|
|
}
|
|
}
|