2 * Copyright 2007-2012 Siemens AG
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2
6 * as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
19 * Sergey Lapin <slapin@ossfans.org>
20 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
21 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
24 #include <linux/if_arp.h>
26 #include <net/mac802154.h>
27 #include <net/ieee802154_netdev.h>
28 #include <net/wpan-phy.h>
30 #include "mac802154.h"
32 struct phy_chan_notify_work {
33 struct work_struct work;
34 struct net_device *dev;
37 struct hw_addr_filt_notify_work {
38 struct work_struct work;
39 struct net_device *dev;
40 unsigned long changed;
43 static struct mac802154_priv *mac802154_slave_get_priv(struct net_device *dev)
45 struct mac802154_sub_if_data *priv = netdev_priv(dev);
47 BUG_ON(dev->type != ARPHRD_IEEE802154);
52 static void hw_addr_notify(struct work_struct *work)
54 struct hw_addr_filt_notify_work *nw = container_of(work,
55 struct hw_addr_filt_notify_work, work);
56 struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
59 res = hw->ops->set_hw_addr_filt(&hw->hw,
63 pr_debug("failed changed mask %lx\n", nw->changed);
68 static void set_hw_addr_filt(struct net_device *dev, unsigned long changed)
70 struct mac802154_sub_if_data *priv = netdev_priv(dev);
71 struct hw_addr_filt_notify_work *work;
73 work = kzalloc(sizeof(*work), GFP_ATOMIC);
77 INIT_WORK(&work->work, hw_addr_notify);
79 work->changed = changed;
80 queue_work(priv->hw->dev_workqueue, &work->work);
83 void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val)
85 struct mac802154_sub_if_data *priv = netdev_priv(dev);
87 BUG_ON(dev->type != ARPHRD_IEEE802154);
89 spin_lock_bh(&priv->mib_lock);
90 priv->short_addr = val;
91 spin_unlock_bh(&priv->mib_lock);
93 if ((priv->hw->ops->set_hw_addr_filt) &&
94 (priv->hw->hw.hw_filt.short_addr != priv->short_addr)) {
95 priv->hw->hw.hw_filt.short_addr = priv->short_addr;
96 set_hw_addr_filt(dev, IEEE802515_AFILT_SADDR_CHANGED);
100 __le16 mac802154_dev_get_short_addr(const struct net_device *dev)
102 struct mac802154_sub_if_data *priv = netdev_priv(dev);
105 BUG_ON(dev->type != ARPHRD_IEEE802154);
107 spin_lock_bh(&priv->mib_lock);
108 ret = priv->short_addr;
109 spin_unlock_bh(&priv->mib_lock);
114 void mac802154_dev_set_ieee_addr(struct net_device *dev)
116 struct mac802154_sub_if_data *priv = netdev_priv(dev);
117 struct mac802154_priv *mac = priv->hw;
119 priv->extended_addr = ieee802154_devaddr_from_raw(dev->dev_addr);
121 if (mac->ops->set_hw_addr_filt &&
122 mac->hw.hw_filt.ieee_addr != priv->extended_addr) {
123 mac->hw.hw_filt.ieee_addr = priv->extended_addr;
124 set_hw_addr_filt(dev, IEEE802515_AFILT_IEEEADDR_CHANGED);
128 __le16 mac802154_dev_get_pan_id(const struct net_device *dev)
130 struct mac802154_sub_if_data *priv = netdev_priv(dev);
133 BUG_ON(dev->type != ARPHRD_IEEE802154);
135 spin_lock_bh(&priv->mib_lock);
137 spin_unlock_bh(&priv->mib_lock);
142 void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val)
144 struct mac802154_sub_if_data *priv = netdev_priv(dev);
146 BUG_ON(dev->type != ARPHRD_IEEE802154);
148 spin_lock_bh(&priv->mib_lock);
150 spin_unlock_bh(&priv->mib_lock);
152 if ((priv->hw->ops->set_hw_addr_filt) &&
153 (priv->hw->hw.hw_filt.pan_id != priv->pan_id)) {
154 priv->hw->hw.hw_filt.pan_id = priv->pan_id;
155 set_hw_addr_filt(dev, IEEE802515_AFILT_PANID_CHANGED);
159 u8 mac802154_dev_get_dsn(const struct net_device *dev)
161 struct mac802154_sub_if_data *priv = netdev_priv(dev);
163 BUG_ON(dev->type != ARPHRD_IEEE802154);
168 static void phy_chan_notify(struct work_struct *work)
170 struct phy_chan_notify_work *nw = container_of(work,
171 struct phy_chan_notify_work, work);
172 struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
173 struct mac802154_sub_if_data *priv = netdev_priv(nw->dev);
176 mutex_lock(&priv->hw->phy->pib_lock);
177 res = hw->ops->set_channel(&hw->hw, priv->page, priv->chan);
179 pr_debug("set_channel failed\n");
181 priv->hw->phy->current_channel = priv->chan;
182 priv->hw->phy->current_page = priv->page;
184 mutex_unlock(&priv->hw->phy->pib_lock);
189 void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
191 struct mac802154_sub_if_data *priv = netdev_priv(dev);
192 struct phy_chan_notify_work *work;
194 BUG_ON(dev->type != ARPHRD_IEEE802154);
196 spin_lock_bh(&priv->mib_lock);
199 spin_unlock_bh(&priv->mib_lock);
201 mutex_lock(&priv->hw->phy->pib_lock);
202 if (priv->hw->phy->current_channel != priv->chan ||
203 priv->hw->phy->current_page != priv->page) {
204 mutex_unlock(&priv->hw->phy->pib_lock);
206 work = kzalloc(sizeof(*work), GFP_ATOMIC);
210 INIT_WORK(&work->work, phy_chan_notify);
212 queue_work(priv->hw->dev_workqueue, &work->work);
214 mutex_unlock(&priv->hw->phy->pib_lock);