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1802d0be TG |
1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* | |
1201cd22 AA |
3 | * |
4 | * Authors: | |
5 | * Alexander Aring <[email protected]> | |
6 | * | |
7 | * Based on: net/mac80211/cfg.c | |
8 | */ | |
9 | ||
d5ae67ba | 10 | #include <net/rtnetlink.h> |
1201cd22 AA |
11 | #include <net/cfg802154.h> |
12 | ||
4a9a816a | 13 | #include "ieee802154_i.h" |
ab0bd561 | 14 | #include "driver-ops.h" |
fdd2068a | 15 | #include "cfg.h" |
4a9a816a AA |
16 | |
17 | static struct net_device * | |
18 | ieee802154_add_iface_deprecated(struct wpan_phy *wpan_phy, | |
5b4a1039 VB |
19 | const char *name, |
20 | unsigned char name_assign_type, int type) | |
4a9a816a | 21 | { |
986a8abf | 22 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
d5ae67ba | 23 | struct net_device *dev; |
986a8abf | 24 | |
d5ae67ba | 25 | rtnl_lock(); |
5b4a1039 | 26 | dev = ieee802154_if_add(local, name, name_assign_type, type, |
0e57547e | 27 | cpu_to_le64(0x0000000000000000ULL)); |
d5ae67ba AA |
28 | rtnl_unlock(); |
29 | ||
30 | return dev; | |
4a9a816a AA |
31 | } |
32 | ||
33 | static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy, | |
34 | struct net_device *dev) | |
35 | { | |
b210b187 AA |
36 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
37 | ||
38 | ieee802154_if_remove(sdata); | |
4a9a816a AA |
39 | } |
40 | ||
3cf24cf8 AA |
41 | #ifdef CONFIG_PM |
42 | static int ieee802154_suspend(struct wpan_phy *wpan_phy) | |
43 | { | |
44 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
45 | ||
46 | if (!local->open_count) | |
47 | goto suspend; | |
48 | ||
49 | ieee802154_stop_queue(&local->hw); | |
50 | synchronize_net(); | |
51 | ||
52 | /* stop hardware - this must stop RX */ | |
53 | ieee802154_stop_device(local); | |
54 | ||
55 | suspend: | |
56 | local->suspended = true; | |
57 | return 0; | |
58 | } | |
59 | ||
60 | static int ieee802154_resume(struct wpan_phy *wpan_phy) | |
61 | { | |
62 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
63 | int ret; | |
64 | ||
65 | /* nothing to do if HW shouldn't run */ | |
66 | if (!local->open_count) | |
67 | goto wake_up; | |
68 | ||
69 | /* restart hardware */ | |
70 | ret = drv_start(local); | |
71 | if (ret) | |
72 | return ret; | |
73 | ||
74 | wake_up: | |
75 | ieee802154_wake_queue(&local->hw); | |
76 | local->suspended = false; | |
77 | return 0; | |
78 | } | |
79 | #else | |
80 | #define ieee802154_suspend NULL | |
81 | #define ieee802154_resume NULL | |
82 | #endif | |
83 | ||
f3ea5e44 AA |
84 | static int |
85 | ieee802154_add_iface(struct wpan_phy *phy, const char *name, | |
5b4a1039 | 86 | unsigned char name_assign_type, |
0e57547e | 87 | enum nl802154_iftype type, __le64 extended_addr) |
f3ea5e44 AA |
88 | { |
89 | struct ieee802154_local *local = wpan_phy_priv(phy); | |
90 | struct net_device *err; | |
91 | ||
5b4a1039 VB |
92 | err = ieee802154_if_add(local, name, name_assign_type, type, |
93 | extended_addr); | |
36cf942a | 94 | return PTR_ERR_OR_ZERO(err); |
f3ea5e44 AA |
95 | } |
96 | ||
b821ecd4 AA |
97 | static int |
98 | ieee802154_del_iface(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) | |
99 | { | |
100 | ieee802154_if_remove(IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev)); | |
101 | ||
102 | return 0; | |
103 | } | |
104 | ||
ab0bd561 | 105 | static int |
6d5fb877 | 106 | ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) |
ab0bd561 AA |
107 | { |
108 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
109 | int ret; | |
110 | ||
111 | ASSERT_RTNL(); | |
112 | ||
791021bf AA |
113 | if (wpan_phy->current_page == page && |
114 | wpan_phy->current_channel == channel) | |
115 | return 0; | |
116 | ||
ab0bd561 AA |
117 | ret = drv_set_channel(local, page, channel); |
118 | if (!ret) { | |
119 | wpan_phy->current_page = page; | |
120 | wpan_phy->current_channel = channel; | |
121 | } | |
122 | ||
123 | return ret; | |
124 | } | |
125 | ||
ba2a9506 AA |
126 | static int |
127 | ieee802154_set_cca_mode(struct wpan_phy *wpan_phy, | |
128 | const struct wpan_phy_cca *cca) | |
129 | { | |
130 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
131 | int ret; | |
132 | ||
133 | ASSERT_RTNL(); | |
134 | ||
791021bf AA |
135 | if (wpan_phy_cca_cmp(&wpan_phy->cca, cca)) |
136 | return 0; | |
137 | ||
ba2a9506 AA |
138 | ret = drv_set_cca_mode(local, cca); |
139 | if (!ret) | |
140 | wpan_phy->cca = *cca; | |
141 | ||
142 | return ret; | |
143 | } | |
144 | ||
b69644c1 AA |
145 | static int |
146 | ieee802154_set_cca_ed_level(struct wpan_phy *wpan_phy, s32 ed_level) | |
147 | { | |
148 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
149 | int ret; | |
150 | ||
151 | ASSERT_RTNL(); | |
152 | ||
153 | if (wpan_phy->cca_ed_level == ed_level) | |
154 | return 0; | |
155 | ||
156 | ret = drv_set_cca_ed_level(local, ed_level); | |
157 | if (!ret) | |
158 | wpan_phy->cca_ed_level = ed_level; | |
159 | ||
160 | return ret; | |
161 | } | |
162 | ||
0f999b09 VB |
163 | static int |
164 | ieee802154_set_tx_power(struct wpan_phy *wpan_phy, s32 power) | |
165 | { | |
166 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
167 | int ret; | |
168 | ||
169 | ASSERT_RTNL(); | |
170 | ||
171 | if (wpan_phy->transmit_power == power) | |
172 | return 0; | |
173 | ||
174 | ret = drv_set_tx_power(local, power); | |
175 | if (!ret) | |
176 | wpan_phy->transmit_power = power; | |
177 | ||
178 | return ret; | |
179 | } | |
180 | ||
6d5fb877 AA |
181 | static int |
182 | ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
ee7b9053 | 183 | __le16 pan_id) |
702bf371 | 184 | { |
d77b4852 AA |
185 | int ret; |
186 | ||
702bf371 AA |
187 | ASSERT_RTNL(); |
188 | ||
791021bf AA |
189 | if (wpan_dev->pan_id == pan_id) |
190 | return 0; | |
191 | ||
d77b4852 AA |
192 | ret = mac802154_wpan_update_llsec(wpan_dev->netdev); |
193 | if (!ret) | |
194 | wpan_dev->pan_id = pan_id; | |
195 | ||
196 | return ret; | |
702bf371 AA |
197 | } |
198 | ||
656a999e AA |
199 | static int |
200 | ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy, | |
201 | struct wpan_dev *wpan_dev, | |
6d5fb877 | 202 | u8 min_be, u8 max_be) |
656a999e | 203 | { |
656a999e AA |
204 | ASSERT_RTNL(); |
205 | ||
656a999e AA |
206 | wpan_dev->min_be = min_be; |
207 | wpan_dev->max_be = max_be; | |
208 | return 0; | |
209 | } | |
210 | ||
9830c62a AA |
211 | static int |
212 | ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
ee7b9053 | 213 | __le16 short_addr) |
9830c62a AA |
214 | { |
215 | ASSERT_RTNL(); | |
216 | ||
ee7b9053 | 217 | wpan_dev->short_addr = short_addr; |
9830c62a AA |
218 | return 0; |
219 | } | |
220 | ||
6d5fb877 AA |
221 | static int |
222 | ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy, | |
223 | struct wpan_dev *wpan_dev, | |
224 | u8 max_csma_backoffs) | |
a01ba765 | 225 | { |
a01ba765 AA |
226 | ASSERT_RTNL(); |
227 | ||
a01ba765 AA |
228 | wpan_dev->csma_retries = max_csma_backoffs; |
229 | return 0; | |
230 | } | |
231 | ||
6d5fb877 AA |
232 | static int |
233 | ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy, | |
234 | struct wpan_dev *wpan_dev, | |
235 | s8 max_frame_retries) | |
17a3a46b | 236 | { |
17a3a46b AA |
237 | ASSERT_RTNL(); |
238 | ||
17a3a46b AA |
239 | wpan_dev->frame_retries = max_frame_retries; |
240 | return 0; | |
241 | } | |
242 | ||
6d5fb877 AA |
243 | static int |
244 | ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
245 | bool mode) | |
c8937a1d | 246 | { |
c8937a1d AA |
247 | ASSERT_RTNL(); |
248 | ||
c8937a1d AA |
249 | wpan_dev->lbt = mode; |
250 | return 0; | |
251 | } | |
252 | ||
c91208d8 AA |
253 | static int |
254 | ieee802154_set_ackreq_default(struct wpan_phy *wpan_phy, | |
255 | struct wpan_dev *wpan_dev, bool ackreq) | |
256 | { | |
257 | ASSERT_RTNL(); | |
258 | ||
259 | wpan_dev->ackreq = ackreq; | |
260 | return 0; | |
261 | } | |
262 | ||
a26c5fd7 AA |
263 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
264 | static void | |
265 | ieee802154_get_llsec_table(struct wpan_phy *wpan_phy, | |
266 | struct wpan_dev *wpan_dev, | |
267 | struct ieee802154_llsec_table **table) | |
268 | { | |
269 | struct net_device *dev = wpan_dev->netdev; | |
270 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
271 | ||
272 | *table = &sdata->sec.table; | |
273 | } | |
274 | ||
275 | static void | |
276 | ieee802154_lock_llsec_table(struct wpan_phy *wpan_phy, | |
277 | struct wpan_dev *wpan_dev) | |
278 | { | |
279 | struct net_device *dev = wpan_dev->netdev; | |
280 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
281 | ||
282 | mutex_lock(&sdata->sec_mtx); | |
283 | } | |
284 | ||
285 | static void | |
286 | ieee802154_unlock_llsec_table(struct wpan_phy *wpan_phy, | |
287 | struct wpan_dev *wpan_dev) | |
288 | { | |
289 | struct net_device *dev = wpan_dev->netdev; | |
290 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
291 | ||
292 | mutex_unlock(&sdata->sec_mtx); | |
293 | } | |
294 | ||
295 | static int | |
296 | ieee802154_set_llsec_params(struct wpan_phy *wpan_phy, | |
297 | struct wpan_dev *wpan_dev, | |
298 | const struct ieee802154_llsec_params *params, | |
299 | int changed) | |
300 | { | |
301 | struct net_device *dev = wpan_dev->netdev; | |
302 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
303 | int res; | |
304 | ||
305 | mutex_lock(&sdata->sec_mtx); | |
306 | res = mac802154_llsec_set_params(&sdata->sec, params, changed); | |
307 | mutex_unlock(&sdata->sec_mtx); | |
308 | ||
309 | return res; | |
310 | } | |
311 | ||
312 | static int | |
313 | ieee802154_get_llsec_params(struct wpan_phy *wpan_phy, | |
314 | struct wpan_dev *wpan_dev, | |
315 | struct ieee802154_llsec_params *params) | |
316 | { | |
317 | struct net_device *dev = wpan_dev->netdev; | |
318 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
319 | int res; | |
320 | ||
321 | mutex_lock(&sdata->sec_mtx); | |
322 | res = mac802154_llsec_get_params(&sdata->sec, params); | |
323 | mutex_unlock(&sdata->sec_mtx); | |
324 | ||
325 | return res; | |
326 | } | |
327 | ||
328 | static int | |
329 | ieee802154_add_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
330 | const struct ieee802154_llsec_key_id *id, | |
331 | const struct ieee802154_llsec_key *key) | |
332 | { | |
333 | struct net_device *dev = wpan_dev->netdev; | |
334 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
335 | int res; | |
336 | ||
337 | mutex_lock(&sdata->sec_mtx); | |
338 | res = mac802154_llsec_key_add(&sdata->sec, id, key); | |
339 | mutex_unlock(&sdata->sec_mtx); | |
340 | ||
341 | return res; | |
342 | } | |
343 | ||
344 | static int | |
345 | ieee802154_del_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
346 | const struct ieee802154_llsec_key_id *id) | |
347 | { | |
348 | struct net_device *dev = wpan_dev->netdev; | |
349 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
350 | int res; | |
351 | ||
352 | mutex_lock(&sdata->sec_mtx); | |
353 | res = mac802154_llsec_key_del(&sdata->sec, id); | |
354 | mutex_unlock(&sdata->sec_mtx); | |
355 | ||
356 | return res; | |
357 | } | |
358 | ||
359 | static int | |
360 | ieee802154_add_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
361 | const struct ieee802154_llsec_seclevel *sl) | |
362 | { | |
363 | struct net_device *dev = wpan_dev->netdev; | |
364 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
365 | int res; | |
366 | ||
367 | mutex_lock(&sdata->sec_mtx); | |
368 | res = mac802154_llsec_seclevel_add(&sdata->sec, sl); | |
369 | mutex_unlock(&sdata->sec_mtx); | |
370 | ||
371 | return res; | |
372 | } | |
373 | ||
374 | static int | |
375 | ieee802154_del_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
376 | const struct ieee802154_llsec_seclevel *sl) | |
377 | { | |
378 | struct net_device *dev = wpan_dev->netdev; | |
379 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
380 | int res; | |
381 | ||
382 | mutex_lock(&sdata->sec_mtx); | |
383 | res = mac802154_llsec_seclevel_del(&sdata->sec, sl); | |
384 | mutex_unlock(&sdata->sec_mtx); | |
385 | ||
386 | return res; | |
387 | } | |
388 | ||
389 | static int | |
390 | ieee802154_add_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
391 | const struct ieee802154_llsec_device *dev_desc) | |
392 | { | |
393 | struct net_device *dev = wpan_dev->netdev; | |
394 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
395 | int res; | |
396 | ||
397 | mutex_lock(&sdata->sec_mtx); | |
398 | res = mac802154_llsec_dev_add(&sdata->sec, dev_desc); | |
399 | mutex_unlock(&sdata->sec_mtx); | |
400 | ||
401 | return res; | |
402 | } | |
403 | ||
404 | static int | |
405 | ieee802154_del_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
406 | __le64 extended_addr) | |
407 | { | |
408 | struct net_device *dev = wpan_dev->netdev; | |
409 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
410 | int res; | |
411 | ||
412 | mutex_lock(&sdata->sec_mtx); | |
413 | res = mac802154_llsec_dev_del(&sdata->sec, extended_addr); | |
414 | mutex_unlock(&sdata->sec_mtx); | |
415 | ||
416 | return res; | |
417 | } | |
418 | ||
419 | static int | |
420 | ieee802154_add_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
421 | __le64 extended_addr, | |
422 | const struct ieee802154_llsec_device_key *key) | |
423 | { | |
424 | struct net_device *dev = wpan_dev->netdev; | |
425 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
426 | int res; | |
427 | ||
428 | mutex_lock(&sdata->sec_mtx); | |
429 | res = mac802154_llsec_devkey_add(&sdata->sec, extended_addr, key); | |
430 | mutex_unlock(&sdata->sec_mtx); | |
431 | ||
432 | return res; | |
433 | } | |
434 | ||
435 | static int | |
436 | ieee802154_del_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
437 | __le64 extended_addr, | |
438 | const struct ieee802154_llsec_device_key *key) | |
439 | { | |
440 | struct net_device *dev = wpan_dev->netdev; | |
441 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); | |
442 | int res; | |
443 | ||
444 | mutex_lock(&sdata->sec_mtx); | |
445 | res = mac802154_llsec_devkey_del(&sdata->sec, extended_addr, key); | |
446 | mutex_unlock(&sdata->sec_mtx); | |
447 | ||
448 | return res; | |
449 | } | |
450 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
451 | ||
1201cd22 | 452 | const struct cfg802154_ops mac802154_config_ops = { |
4a9a816a AA |
453 | .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated, |
454 | .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated, | |
3cf24cf8 AA |
455 | .suspend = ieee802154_suspend, |
456 | .resume = ieee802154_resume, | |
f3ea5e44 | 457 | .add_virtual_intf = ieee802154_add_iface, |
b821ecd4 | 458 | .del_virtual_intf = ieee802154_del_iface, |
ab0bd561 | 459 | .set_channel = ieee802154_set_channel, |
ba2a9506 | 460 | .set_cca_mode = ieee802154_set_cca_mode, |
b69644c1 | 461 | .set_cca_ed_level = ieee802154_set_cca_ed_level, |
0f999b09 | 462 | .set_tx_power = ieee802154_set_tx_power, |
702bf371 | 463 | .set_pan_id = ieee802154_set_pan_id, |
9830c62a | 464 | .set_short_addr = ieee802154_set_short_addr, |
656a999e | 465 | .set_backoff_exponent = ieee802154_set_backoff_exponent, |
a01ba765 | 466 | .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs, |
17a3a46b | 467 | .set_max_frame_retries = ieee802154_set_max_frame_retries, |
c8937a1d | 468 | .set_lbt_mode = ieee802154_set_lbt_mode, |
c91208d8 | 469 | .set_ackreq_default = ieee802154_set_ackreq_default, |
a26c5fd7 AA |
470 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
471 | .get_llsec_table = ieee802154_get_llsec_table, | |
472 | .lock_llsec_table = ieee802154_lock_llsec_table, | |
473 | .unlock_llsec_table = ieee802154_unlock_llsec_table, | |
474 | /* TODO above */ | |
475 | .set_llsec_params = ieee802154_set_llsec_params, | |
476 | .get_llsec_params = ieee802154_get_llsec_params, | |
477 | .add_llsec_key = ieee802154_add_llsec_key, | |
478 | .del_llsec_key = ieee802154_del_llsec_key, | |
479 | .add_seclevel = ieee802154_add_seclevel, | |
480 | .del_seclevel = ieee802154_del_seclevel, | |
481 | .add_device = ieee802154_add_device, | |
482 | .del_device = ieee802154_del_device, | |
483 | .add_devkey = ieee802154_add_devkey, | |
484 | .del_devkey = ieee802154_del_devkey, | |
485 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
1201cd22 | 486 | }; |