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https://github.com/edk2-porting/linux-next.git
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94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
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/*
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* Copyright 2007-2012 Siemens AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Written by:
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* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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* Sergey Lapin <slapin@ossfans.org>
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* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
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* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
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*/
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#include <linux/if_arp.h>
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#include <net/mac802154.h>
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#include <net/wpan-phy.h>
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#include "mac802154.h"
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struct hw_addr_filt_notify_work {
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struct work_struct work;
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struct net_device *dev;
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unsigned long changed;
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};
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struct mac802154_priv *mac802154_slave_get_priv(struct net_device *dev)
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{
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struct mac802154_sub_if_data *priv = netdev_priv(dev);
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BUG_ON(dev->type != ARPHRD_IEEE802154);
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return priv->hw;
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}
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static void hw_addr_notify(struct work_struct *work)
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{
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struct hw_addr_filt_notify_work *nw = container_of(work,
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struct hw_addr_filt_notify_work, work);
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struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
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int res;
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res = hw->ops->set_hw_addr_filt(&hw->hw,
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&hw->hw.hw_filt,
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nw->changed);
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if (res)
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pr_debug("failed changed mask %lx\n", nw->changed);
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kfree(nw);
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return;
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}
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static void set_hw_addr_filt(struct net_device *dev, unsigned long changed)
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{
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struct mac802154_sub_if_data *priv = netdev_priv(dev);
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struct hw_addr_filt_notify_work *work;
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work = kzalloc(sizeof(*work), GFP_ATOMIC);
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if (!work)
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return;
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INIT_WORK(&work->work, hw_addr_notify);
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work->dev = dev;
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work->changed = changed;
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queue_work(priv->hw->dev_workqueue, &work->work);
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return;
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}
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void mac802154_dev_set_ieee_addr(struct net_device *dev)
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{
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struct mac802154_sub_if_data *priv = netdev_priv(dev);
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struct mac802154_priv *mac = priv->hw;
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if (mac->ops->set_hw_addr_filt &&
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memcmp(mac->hw.hw_filt.ieee_addr,
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dev->dev_addr, IEEE802154_ADDR_LEN)) {
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memcpy(mac->hw.hw_filt.ieee_addr,
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dev->dev_addr, IEEE802154_ADDR_LEN);
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set_hw_addr_filt(dev, IEEE802515_AFILT_IEEEADDR_CHANGED);
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}
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}
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