Commit | Line | Data |
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ef2486f5 | 1 | /* |
2 | * Copyright 2007-2012 Siemens AG | |
3 | * | |
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. | |
7 | * | |
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. | |
12 | * | |
ef2486f5 | 13 | * Written by: |
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> | |
18 | */ | |
19 | ||
20 | #include <linux/if_arp.h> | |
21 | ||
22 | #include <net/mac802154.h> | |
b70ab2e8 | 23 | #include <net/ieee802154_netdev.h> |
5ad60d36 | 24 | #include <net/cfg802154.h> |
ef2486f5 | 25 | |
0f1556bc | 26 | #include "ieee802154_i.h" |
ef2486f5 | 27 | |
66b69d4d | 28 | struct phy_chan_notify_work { |
29 | struct work_struct work; | |
30 | struct net_device *dev; | |
31 | }; | |
32 | ||
ef2486f5 | 33 | struct hw_addr_filt_notify_work { |
34 | struct work_struct work; | |
35 | struct net_device *dev; | |
36 | unsigned long changed; | |
37 | }; | |
38 | ||
a5e1ec53 | 39 | static struct ieee802154_local *mac802154_slave_get_priv(struct net_device *dev) |
ef2486f5 | 40 | { |
59d19cd7 | 41 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
ef2486f5 | 42 | |
43 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
44 | ||
04e850fe | 45 | return sdata->local; |
ef2486f5 | 46 | } |
47 | ||
48 | static void hw_addr_notify(struct work_struct *work) | |
49 | { | |
50 | struct hw_addr_filt_notify_work *nw = container_of(work, | |
51 | struct hw_addr_filt_notify_work, work); | |
a5e1ec53 | 52 | struct ieee802154_local *local = mac802154_slave_get_priv(nw->dev); |
ef2486f5 | 53 | int res; |
54 | ||
a5e1ec53 AA |
55 | res = local->ops->set_hw_addr_filt(&local->hw, &local->hw.hw_filt, |
56 | nw->changed); | |
ef2486f5 | 57 | if (res) |
58 | pr_debug("failed changed mask %lx\n", nw->changed); | |
59 | ||
60 | kfree(nw); | |
ef2486f5 | 61 | } |
62 | ||
63 | static void set_hw_addr_filt(struct net_device *dev, unsigned long changed) | |
64 | { | |
59d19cd7 | 65 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
ef2486f5 | 66 | struct hw_addr_filt_notify_work *work; |
67 | ||
68 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
69 | if (!work) | |
70 | return; | |
71 | ||
72 | INIT_WORK(&work->work, hw_addr_notify); | |
73 | work->dev = dev; | |
74 | work->changed = changed; | |
f7730542 | 75 | queue_work(sdata->local->workqueue, &work->work); |
ef2486f5 | 76 | } |
77 | ||
b70ab2e8 | 78 | void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val) |
48e44d50 | 79 | { |
59d19cd7 | 80 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
48e44d50 | 81 | |
82 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
83 | ||
036562f9 AA |
84 | spin_lock_bh(&sdata->mib_lock); |
85 | sdata->short_addr = val; | |
86 | spin_unlock_bh(&sdata->mib_lock); | |
48e44d50 | 87 | |
04e850fe AA |
88 | if ((sdata->local->ops->set_hw_addr_filt) && |
89 | (sdata->local->hw.hw_filt.short_addr != sdata->short_addr)) { | |
90 | sdata->local->hw.hw_filt.short_addr = sdata->short_addr; | |
57205c14 | 91 | set_hw_addr_filt(dev, IEEE802154_AFILT_SADDR_CHANGED); |
48e44d50 | 92 | } |
93 | } | |
94 | ||
b70ab2e8 | 95 | __le16 mac802154_dev_get_short_addr(const struct net_device *dev) |
e885a47a | 96 | { |
59d19cd7 | 97 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
b70ab2e8 | 98 | __le16 ret; |
e885a47a | 99 | |
100 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
101 | ||
036562f9 AA |
102 | spin_lock_bh(&sdata->mib_lock); |
103 | ret = sdata->short_addr; | |
104 | spin_unlock_bh(&sdata->mib_lock); | |
e885a47a | 105 | |
106 | return ret; | |
107 | } | |
108 | ||
ef2486f5 | 109 | void mac802154_dev_set_ieee_addr(struct net_device *dev) |
110 | { | |
59d19cd7 | 111 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
04e850fe | 112 | struct ieee802154_local *local = sdata->local; |
ef2486f5 | 113 | |
036562f9 | 114 | sdata->extended_addr = ieee802154_devaddr_from_raw(dev->dev_addr); |
b70ab2e8 | 115 | |
a5e1ec53 | 116 | if (local->ops->set_hw_addr_filt && |
036562f9 AA |
117 | local->hw.hw_filt.ieee_addr != sdata->extended_addr) { |
118 | local->hw.hw_filt.ieee_addr = sdata->extended_addr; | |
57205c14 | 119 | set_hw_addr_filt(dev, IEEE802154_AFILT_IEEEADDR_CHANGED); |
ef2486f5 | 120 | } |
121 | } | |
dcbe4f93 | 122 | |
b70ab2e8 | 123 | __le16 mac802154_dev_get_pan_id(const struct net_device *dev) |
dcbe4f93 | 124 | { |
59d19cd7 | 125 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
b70ab2e8 | 126 | __le16 ret; |
dcbe4f93 | 127 | |
128 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
129 | ||
036562f9 AA |
130 | spin_lock_bh(&sdata->mib_lock); |
131 | ret = sdata->pan_id; | |
132 | spin_unlock_bh(&sdata->mib_lock); | |
dcbe4f93 | 133 | |
134 | return ret; | |
135 | } | |
136 | ||
b70ab2e8 | 137 | void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val) |
dcbe4f93 | 138 | { |
59d19cd7 | 139 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
dcbe4f93 | 140 | |
141 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
142 | ||
036562f9 AA |
143 | spin_lock_bh(&sdata->mib_lock); |
144 | sdata->pan_id = val; | |
145 | spin_unlock_bh(&sdata->mib_lock); | |
dcbe4f93 | 146 | |
04e850fe AA |
147 | if ((sdata->local->ops->set_hw_addr_filt) && |
148 | (sdata->local->hw.hw_filt.pan_id != sdata->pan_id)) { | |
149 | sdata->local->hw.hw_filt.pan_id = sdata->pan_id; | |
57205c14 | 150 | set_hw_addr_filt(dev, IEEE802154_AFILT_PANID_CHANGED); |
dcbe4f93 | 151 | } |
152 | } | |
66b69d4d | 153 | |
0483546a TC |
154 | u8 mac802154_dev_get_dsn(const struct net_device *dev) |
155 | { | |
59d19cd7 | 156 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
0483546a TC |
157 | |
158 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
159 | ||
036562f9 | 160 | return sdata->dsn++; |
0483546a TC |
161 | } |
162 | ||
66b69d4d | 163 | static void phy_chan_notify(struct work_struct *work) |
164 | { | |
165 | struct phy_chan_notify_work *nw = container_of(work, | |
166 | struct phy_chan_notify_work, work); | |
59d19cd7 AA |
167 | struct net_device *dev = nw->dev; |
168 | struct ieee802154_local *local = mac802154_slave_get_priv(dev); | |
169 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
66b69d4d | 170 | int res; |
171 | ||
04e850fe | 172 | mutex_lock(&sdata->local->phy->pib_lock); |
036562f9 | 173 | res = local->ops->set_channel(&local->hw, sdata->page, sdata->chan); |
4710d806 | 174 | if (res) { |
66b69d4d | 175 | pr_debug("set_channel failed\n"); |
4710d806 | 176 | } else { |
04e850fe AA |
177 | sdata->local->phy->current_channel = sdata->chan; |
178 | sdata->local->phy->current_page = sdata->page; | |
9f7f78b4 | 179 | } |
04e850fe | 180 | mutex_unlock(&sdata->local->phy->pib_lock); |
66b69d4d | 181 | |
182 | kfree(nw); | |
183 | } | |
184 | ||
185 | void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan) | |
186 | { | |
59d19cd7 | 187 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
66b69d4d | 188 | struct phy_chan_notify_work *work; |
189 | ||
190 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
191 | ||
036562f9 AA |
192 | spin_lock_bh(&sdata->mib_lock); |
193 | sdata->page = page; | |
194 | sdata->chan = chan; | |
195 | spin_unlock_bh(&sdata->mib_lock); | |
66b69d4d | 196 | |
04e850fe AA |
197 | mutex_lock(&sdata->local->phy->pib_lock); |
198 | if (sdata->local->phy->current_channel != sdata->chan || | |
199 | sdata->local->phy->current_page != sdata->page) { | |
200 | mutex_unlock(&sdata->local->phy->pib_lock); | |
9f7f78b4 | 201 | |
66b69d4d | 202 | work = kzalloc(sizeof(*work), GFP_ATOMIC); |
203 | if (!work) | |
204 | return; | |
205 | ||
206 | INIT_WORK(&work->work, phy_chan_notify); | |
207 | work->dev = dev; | |
f7730542 | 208 | queue_work(sdata->local->workqueue, &work->work); |
4710d806 | 209 | } else { |
04e850fe | 210 | mutex_unlock(&sdata->local->phy->pib_lock); |
4710d806 | 211 | } |
66b69d4d | 212 | } |
29e02374 PB |
213 | |
214 | ||
215 | int mac802154_get_params(struct net_device *dev, | |
216 | struct ieee802154_llsec_params *params) | |
217 | { | |
59d19cd7 | 218 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
219 | int res; |
220 | ||
221 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
222 | ||
036562f9 AA |
223 | mutex_lock(&sdata->sec_mtx); |
224 | res = mac802154_llsec_get_params(&sdata->sec, params); | |
225 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
226 | |
227 | return res; | |
228 | } | |
229 | ||
230 | int mac802154_set_params(struct net_device *dev, | |
231 | const struct ieee802154_llsec_params *params, | |
232 | int changed) | |
233 | { | |
59d19cd7 | 234 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
235 | int res; |
236 | ||
237 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
238 | ||
036562f9 AA |
239 | mutex_lock(&sdata->sec_mtx); |
240 | res = mac802154_llsec_set_params(&sdata->sec, params, changed); | |
241 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
242 | |
243 | return res; | |
244 | } | |
245 | ||
246 | ||
247 | int mac802154_add_key(struct net_device *dev, | |
248 | const struct ieee802154_llsec_key_id *id, | |
249 | const struct ieee802154_llsec_key *key) | |
250 | { | |
59d19cd7 | 251 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
252 | int res; |
253 | ||
254 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
255 | ||
036562f9 AA |
256 | mutex_lock(&sdata->sec_mtx); |
257 | res = mac802154_llsec_key_add(&sdata->sec, id, key); | |
258 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
259 | |
260 | return res; | |
261 | } | |
262 | ||
263 | int mac802154_del_key(struct net_device *dev, | |
264 | const struct ieee802154_llsec_key_id *id) | |
265 | { | |
59d19cd7 | 266 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
267 | int res; |
268 | ||
269 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
270 | ||
036562f9 AA |
271 | mutex_lock(&sdata->sec_mtx); |
272 | res = mac802154_llsec_key_del(&sdata->sec, id); | |
273 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
274 | |
275 | return res; | |
276 | } | |
277 | ||
278 | ||
279 | int mac802154_add_dev(struct net_device *dev, | |
280 | const struct ieee802154_llsec_device *llsec_dev) | |
281 | { | |
59d19cd7 | 282 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
283 | int res; |
284 | ||
285 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
286 | ||
036562f9 AA |
287 | mutex_lock(&sdata->sec_mtx); |
288 | res = mac802154_llsec_dev_add(&sdata->sec, llsec_dev); | |
289 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
290 | |
291 | return res; | |
292 | } | |
293 | ||
294 | int mac802154_del_dev(struct net_device *dev, __le64 dev_addr) | |
295 | { | |
59d19cd7 | 296 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
297 | int res; |
298 | ||
299 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
300 | ||
036562f9 AA |
301 | mutex_lock(&sdata->sec_mtx); |
302 | res = mac802154_llsec_dev_del(&sdata->sec, dev_addr); | |
303 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
304 | |
305 | return res; | |
306 | } | |
307 | ||
308 | ||
309 | int mac802154_add_devkey(struct net_device *dev, | |
310 | __le64 device_addr, | |
311 | const struct ieee802154_llsec_device_key *key) | |
312 | { | |
59d19cd7 | 313 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
314 | int res; |
315 | ||
316 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
317 | ||
036562f9 AA |
318 | mutex_lock(&sdata->sec_mtx); |
319 | res = mac802154_llsec_devkey_add(&sdata->sec, device_addr, key); | |
320 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
321 | |
322 | return res; | |
323 | } | |
324 | ||
325 | int mac802154_del_devkey(struct net_device *dev, | |
326 | __le64 device_addr, | |
327 | const struct ieee802154_llsec_device_key *key) | |
328 | { | |
59d19cd7 | 329 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
330 | int res; |
331 | ||
332 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
333 | ||
036562f9 AA |
334 | mutex_lock(&sdata->sec_mtx); |
335 | res = mac802154_llsec_devkey_del(&sdata->sec, device_addr, key); | |
336 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
337 | |
338 | return res; | |
339 | } | |
340 | ||
341 | ||
342 | int mac802154_add_seclevel(struct net_device *dev, | |
343 | const struct ieee802154_llsec_seclevel *sl) | |
344 | { | |
59d19cd7 | 345 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
346 | int res; |
347 | ||
348 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
349 | ||
036562f9 AA |
350 | mutex_lock(&sdata->sec_mtx); |
351 | res = mac802154_llsec_seclevel_add(&sdata->sec, sl); | |
352 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
353 | |
354 | return res; | |
355 | } | |
356 | ||
357 | int mac802154_del_seclevel(struct net_device *dev, | |
358 | const struct ieee802154_llsec_seclevel *sl) | |
359 | { | |
59d19cd7 | 360 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
361 | int res; |
362 | ||
363 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
364 | ||
036562f9 AA |
365 | mutex_lock(&sdata->sec_mtx); |
366 | res = mac802154_llsec_seclevel_del(&sdata->sec, sl); | |
367 | mutex_unlock(&sdata->sec_mtx); | |
29e02374 PB |
368 | |
369 | return res; | |
370 | } | |
371 | ||
372 | ||
373 | void mac802154_lock_table(struct net_device *dev) | |
374 | { | |
59d19cd7 | 375 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
376 | |
377 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
378 | ||
036562f9 | 379 | mutex_lock(&sdata->sec_mtx); |
29e02374 PB |
380 | } |
381 | ||
382 | void mac802154_get_table(struct net_device *dev, | |
383 | struct ieee802154_llsec_table **t) | |
384 | { | |
59d19cd7 | 385 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
386 | |
387 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
388 | ||
036562f9 | 389 | *t = &sdata->sec.table; |
29e02374 PB |
390 | } |
391 | ||
392 | void mac802154_unlock_table(struct net_device *dev) | |
393 | { | |
59d19cd7 | 394 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
29e02374 PB |
395 | |
396 | BUG_ON(dev->type != ARPHRD_IEEE802154); | |
397 | ||
036562f9 | 398 | mutex_unlock(&sdata->sec_mtx); |
29e02374 | 399 | } |