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.
14 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
15 * Sergey Lapin <slapin@ossfans.org>
16 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
17 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
20 #include <linux/if_arp.h>
22 #include <net/mac802154.h>
23 #include <net/ieee802154_netdev.h>
24 #include <net/cfg802154.h>
26 #include "ieee802154_i.h"
27 #include "driver-ops.h"
29 struct hw_addr_filt_notify_work {
30 struct work_struct work;
31 struct net_device *dev;
32 unsigned long changed;
35 static struct ieee802154_local *mac802154_slave_get_priv(struct net_device *dev)
37 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
39 BUG_ON(dev->type != ARPHRD_IEEE802154);
44 static void hw_addr_notify(struct work_struct *work)
46 struct hw_addr_filt_notify_work *nw = container_of(work,
47 struct hw_addr_filt_notify_work, work);
48 struct ieee802154_local *local = mac802154_slave_get_priv(nw->dev);
51 res = local->ops->set_hw_addr_filt(&local->hw, &local->hw.hw_filt,
54 pr_debug("failed changed mask %lx\n", nw->changed);
59 static void set_hw_addr_filt(struct net_device *dev, unsigned long changed)
61 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
62 struct hw_addr_filt_notify_work *work;
64 work = kzalloc(sizeof(*work), GFP_ATOMIC);
68 INIT_WORK(&work->work, hw_addr_notify);
70 work->changed = changed;
71 queue_work(sdata->local->workqueue, &work->work);
74 void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val)
76 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
78 BUG_ON(dev->type != ARPHRD_IEEE802154);
80 spin_lock_bh(&sdata->mib_lock);
81 sdata->short_addr = val;
82 spin_unlock_bh(&sdata->mib_lock);
84 if ((sdata->local->ops->set_hw_addr_filt) &&
85 (sdata->local->hw.hw_filt.short_addr != sdata->short_addr)) {
86 sdata->local->hw.hw_filt.short_addr = sdata->short_addr;
87 set_hw_addr_filt(dev, IEEE802154_AFILT_SADDR_CHANGED);
91 __le16 mac802154_dev_get_short_addr(const struct net_device *dev)
93 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
96 BUG_ON(dev->type != ARPHRD_IEEE802154);
98 spin_lock_bh(&sdata->mib_lock);
99 ret = sdata->short_addr;
100 spin_unlock_bh(&sdata->mib_lock);
105 void mac802154_dev_set_ieee_addr(struct net_device *dev)
107 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
108 struct ieee802154_local *local = sdata->local;
110 sdata->extended_addr = ieee802154_devaddr_from_raw(dev->dev_addr);
112 if (local->ops->set_hw_addr_filt &&
113 local->hw.hw_filt.ieee_addr != sdata->extended_addr) {
114 local->hw.hw_filt.ieee_addr = sdata->extended_addr;
115 set_hw_addr_filt(dev, IEEE802154_AFILT_IEEEADDR_CHANGED);
119 __le16 mac802154_dev_get_pan_id(const struct net_device *dev)
121 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
124 BUG_ON(dev->type != ARPHRD_IEEE802154);
126 spin_lock_bh(&sdata->mib_lock);
128 spin_unlock_bh(&sdata->mib_lock);
133 void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val)
135 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
137 BUG_ON(dev->type != ARPHRD_IEEE802154);
139 spin_lock_bh(&sdata->mib_lock);
141 spin_unlock_bh(&sdata->mib_lock);
143 if ((sdata->local->ops->set_hw_addr_filt) &&
144 (sdata->local->hw.hw_filt.pan_id != sdata->pan_id)) {
145 sdata->local->hw.hw_filt.pan_id = sdata->pan_id;
146 set_hw_addr_filt(dev, IEEE802154_AFILT_PANID_CHANGED);
150 u8 mac802154_dev_get_dsn(const struct net_device *dev)
152 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
154 BUG_ON(dev->type != ARPHRD_IEEE802154);
159 void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
161 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
162 struct ieee802154_local *local = sdata->local;
165 BUG_ON(dev->type != ARPHRD_IEEE802154);
167 res = drv_set_channel(local, page, chan);
169 pr_debug("set_channel failed\n");
171 mutex_lock(&local->phy->pib_lock);
172 local->phy->current_channel = chan;
173 local->phy->current_page = page;
174 mutex_unlock(&local->phy->pib_lock);
179 int mac802154_get_params(struct net_device *dev,
180 struct ieee802154_llsec_params *params)
182 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
185 BUG_ON(dev->type != ARPHRD_IEEE802154);
187 mutex_lock(&sdata->sec_mtx);
188 res = mac802154_llsec_get_params(&sdata->sec, params);
189 mutex_unlock(&sdata->sec_mtx);
194 int mac802154_set_params(struct net_device *dev,
195 const struct ieee802154_llsec_params *params,
198 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
201 BUG_ON(dev->type != ARPHRD_IEEE802154);
203 mutex_lock(&sdata->sec_mtx);
204 res = mac802154_llsec_set_params(&sdata->sec, params, changed);
205 mutex_unlock(&sdata->sec_mtx);
211 int mac802154_add_key(struct net_device *dev,
212 const struct ieee802154_llsec_key_id *id,
213 const struct ieee802154_llsec_key *key)
215 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
218 BUG_ON(dev->type != ARPHRD_IEEE802154);
220 mutex_lock(&sdata->sec_mtx);
221 res = mac802154_llsec_key_add(&sdata->sec, id, key);
222 mutex_unlock(&sdata->sec_mtx);
227 int mac802154_del_key(struct net_device *dev,
228 const struct ieee802154_llsec_key_id *id)
230 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
233 BUG_ON(dev->type != ARPHRD_IEEE802154);
235 mutex_lock(&sdata->sec_mtx);
236 res = mac802154_llsec_key_del(&sdata->sec, id);
237 mutex_unlock(&sdata->sec_mtx);
243 int mac802154_add_dev(struct net_device *dev,
244 const struct ieee802154_llsec_device *llsec_dev)
246 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
249 BUG_ON(dev->type != ARPHRD_IEEE802154);
251 mutex_lock(&sdata->sec_mtx);
252 res = mac802154_llsec_dev_add(&sdata->sec, llsec_dev);
253 mutex_unlock(&sdata->sec_mtx);
258 int mac802154_del_dev(struct net_device *dev, __le64 dev_addr)
260 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
263 BUG_ON(dev->type != ARPHRD_IEEE802154);
265 mutex_lock(&sdata->sec_mtx);
266 res = mac802154_llsec_dev_del(&sdata->sec, dev_addr);
267 mutex_unlock(&sdata->sec_mtx);
273 int mac802154_add_devkey(struct net_device *dev,
275 const struct ieee802154_llsec_device_key *key)
277 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
280 BUG_ON(dev->type != ARPHRD_IEEE802154);
282 mutex_lock(&sdata->sec_mtx);
283 res = mac802154_llsec_devkey_add(&sdata->sec, device_addr, key);
284 mutex_unlock(&sdata->sec_mtx);
289 int mac802154_del_devkey(struct net_device *dev,
291 const struct ieee802154_llsec_device_key *key)
293 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
296 BUG_ON(dev->type != ARPHRD_IEEE802154);
298 mutex_lock(&sdata->sec_mtx);
299 res = mac802154_llsec_devkey_del(&sdata->sec, device_addr, key);
300 mutex_unlock(&sdata->sec_mtx);
306 int mac802154_add_seclevel(struct net_device *dev,
307 const struct ieee802154_llsec_seclevel *sl)
309 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
312 BUG_ON(dev->type != ARPHRD_IEEE802154);
314 mutex_lock(&sdata->sec_mtx);
315 res = mac802154_llsec_seclevel_add(&sdata->sec, sl);
316 mutex_unlock(&sdata->sec_mtx);
321 int mac802154_del_seclevel(struct net_device *dev,
322 const struct ieee802154_llsec_seclevel *sl)
324 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
327 BUG_ON(dev->type != ARPHRD_IEEE802154);
329 mutex_lock(&sdata->sec_mtx);
330 res = mac802154_llsec_seclevel_del(&sdata->sec, sl);
331 mutex_unlock(&sdata->sec_mtx);
337 void mac802154_lock_table(struct net_device *dev)
339 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
341 BUG_ON(dev->type != ARPHRD_IEEE802154);
343 mutex_lock(&sdata->sec_mtx);
346 void mac802154_get_table(struct net_device *dev,
347 struct ieee802154_llsec_table **t)
349 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
351 BUG_ON(dev->type != ARPHRD_IEEE802154);
353 *t = &sdata->sec.table;
356 void mac802154_unlock_table(struct net_device *dev)
358 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
360 BUG_ON(dev->type != ARPHRD_IEEE802154);
362 mutex_unlock(&sdata->sec_mtx);