Commit | Line | Data |
---|---|---|
d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
727da60b | 2 | /* |
968a76ce | 3 | * Copyright 2015 Intel Deutschland GmbH |
b3e2130b | 4 | * Copyright (C) 2022 Intel Corporation |
727da60b DV |
5 | */ |
6 | #include <net/mac80211.h> | |
7 | #include "ieee80211_i.h" | |
8 | #include "trace.h" | |
9 | #include "driver-ops.h" | |
d2caad52 | 10 | #include "debugfs_sta.h" |
170cd6a6 | 11 | #include "debugfs_netdev.h" |
727da60b | 12 | |
968a76ce EP |
13 | int drv_start(struct ieee80211_local *local) |
14 | { | |
15 | int ret; | |
16 | ||
17 | might_sleep(); | |
18 | ||
19 | if (WARN_ON(local->started)) | |
20 | return -EALREADY; | |
21 | ||
22 | trace_drv_start(local); | |
23 | local->started = true; | |
24 | /* allow rx frames */ | |
25 | smp_mb(); | |
26 | ret = local->ops->start(&local->hw); | |
27 | trace_drv_return_int(local, ret); | |
28 | ||
29 | if (ret) | |
30 | local->started = false; | |
31 | ||
32 | return ret; | |
33 | } | |
34 | ||
35 | void drv_stop(struct ieee80211_local *local) | |
36 | { | |
37 | might_sleep(); | |
38 | ||
39 | if (WARN_ON(!local->started)) | |
40 | return; | |
41 | ||
42 | trace_drv_stop(local); | |
43 | local->ops->stop(&local->hw); | |
44 | trace_drv_return_void(local); | |
45 | ||
46 | /* sync away all work on the tasklet before clearing started */ | |
47 | tasklet_disable(&local->tasklet); | |
48 | tasklet_enable(&local->tasklet); | |
49 | ||
50 | barrier(); | |
51 | ||
52 | local->started = false; | |
53 | } | |
54 | ||
9aae296a DV |
55 | int drv_add_interface(struct ieee80211_local *local, |
56 | struct ieee80211_sub_if_data *sdata) | |
57 | { | |
58 | int ret; | |
59 | ||
60 | might_sleep(); | |
61 | ||
62 | if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN || | |
63 | (sdata->vif.type == NL80211_IFTYPE_MONITOR && | |
64 | !ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) && | |
d8212184 | 65 | !(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE)))) |
9aae296a DV |
66 | return -EINVAL; |
67 | ||
68 | trace_drv_add_interface(local, sdata); | |
69 | ret = local->ops->add_interface(&local->hw, &sdata->vif); | |
70 | trace_drv_return_int(local, ret); | |
71 | ||
72 | if (ret == 0) | |
73 | sdata->flags |= IEEE80211_SDATA_IN_DRIVER; | |
74 | ||
75 | return ret; | |
76 | } | |
77 | ||
78 | int drv_change_interface(struct ieee80211_local *local, | |
79 | struct ieee80211_sub_if_data *sdata, | |
80 | enum nl80211_iftype type, bool p2p) | |
81 | { | |
82 | int ret; | |
83 | ||
84 | might_sleep(); | |
85 | ||
86 | if (!check_sdata_in_driver(sdata)) | |
87 | return -EIO; | |
88 | ||
89 | trace_drv_change_interface(local, sdata, type, p2p); | |
90 | ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p); | |
91 | trace_drv_return_int(local, ret); | |
92 | return ret; | |
93 | } | |
94 | ||
95 | void drv_remove_interface(struct ieee80211_local *local, | |
96 | struct ieee80211_sub_if_data *sdata) | |
97 | { | |
98 | might_sleep(); | |
99 | ||
100 | if (!check_sdata_in_driver(sdata)) | |
101 | return; | |
102 | ||
103 | trace_drv_remove_interface(local, sdata); | |
104 | local->ops->remove_interface(&local->hw, &sdata->vif); | |
105 | sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER; | |
106 | trace_drv_return_void(local); | |
107 | } | |
108 | ||
727da60b DV |
109 | __must_check |
110 | int drv_sta_state(struct ieee80211_local *local, | |
111 | struct ieee80211_sub_if_data *sdata, | |
112 | struct sta_info *sta, | |
113 | enum ieee80211_sta_state old_state, | |
114 | enum ieee80211_sta_state new_state) | |
115 | { | |
116 | int ret = 0; | |
117 | ||
118 | might_sleep(); | |
119 | ||
120 | sdata = get_bss_sdata(sdata); | |
121 | if (!check_sdata_in_driver(sdata)) | |
122 | return -EIO; | |
123 | ||
124 | trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state); | |
125 | if (local->ops->sta_state) { | |
126 | ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta, | |
127 | old_state, new_state); | |
128 | } else if (old_state == IEEE80211_STA_AUTH && | |
129 | new_state == IEEE80211_STA_ASSOC) { | |
130 | ret = drv_sta_add(local, sdata, &sta->sta); | |
18fe0fae | 131 | if (ret == 0) { |
727da60b | 132 | sta->uploaded = true; |
18fe0fae FF |
133 | if (rcu_access_pointer(sta->sta.rates)) |
134 | drv_sta_rate_tbl_update(local, sdata, &sta->sta); | |
135 | } | |
727da60b DV |
136 | } else if (old_state == IEEE80211_STA_ASSOC && |
137 | new_state == IEEE80211_STA_AUTH) { | |
138 | drv_sta_remove(local, sdata, &sta->sta); | |
139 | } | |
140 | trace_drv_return_int(local, ret); | |
141 | return ret; | |
142 | } | |
b23dcd4a | 143 | |
ba905bf4 ARN |
144 | __must_check |
145 | int drv_sta_set_txpwr(struct ieee80211_local *local, | |
146 | struct ieee80211_sub_if_data *sdata, | |
147 | struct sta_info *sta) | |
148 | { | |
149 | int ret = -EOPNOTSUPP; | |
150 | ||
151 | might_sleep(); | |
152 | ||
153 | sdata = get_bss_sdata(sdata); | |
154 | if (!check_sdata_in_driver(sdata)) | |
155 | return -EIO; | |
156 | ||
157 | trace_drv_sta_set_txpwr(local, sdata, &sta->sta); | |
158 | if (local->ops->sta_set_txpwr) | |
159 | ret = local->ops->sta_set_txpwr(&local->hw, &sdata->vif, | |
160 | &sta->sta); | |
161 | trace_drv_return_int(local, ret); | |
162 | return ret; | |
163 | } | |
164 | ||
4fbd572c DV |
165 | void drv_sta_rc_update(struct ieee80211_local *local, |
166 | struct ieee80211_sub_if_data *sdata, | |
167 | struct ieee80211_sta *sta, u32 changed) | |
168 | { | |
169 | sdata = get_bss_sdata(sdata); | |
170 | if (!check_sdata_in_driver(sdata)) | |
171 | return; | |
172 | ||
173 | WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED && | |
174 | (sdata->vif.type != NL80211_IFTYPE_ADHOC && | |
175 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT)); | |
176 | ||
177 | trace_drv_sta_rc_update(local, sdata, sta, changed); | |
178 | if (local->ops->sta_rc_update) | |
179 | local->ops->sta_rc_update(&local->hw, &sdata->vif, | |
180 | sta, changed); | |
181 | ||
182 | trace_drv_return_void(local); | |
183 | } | |
184 | ||
b23dcd4a | 185 | int drv_conf_tx(struct ieee80211_local *local, |
b3e2130b | 186 | struct ieee80211_link_data *link, u16 ac, |
b23dcd4a DV |
187 | const struct ieee80211_tx_queue_params *params) |
188 | { | |
b3e2130b | 189 | struct ieee80211_sub_if_data *sdata = link->sdata; |
b23dcd4a DV |
190 | int ret = -EOPNOTSUPP; |
191 | ||
192 | might_sleep(); | |
193 | ||
194 | if (!check_sdata_in_driver(sdata)) | |
195 | return -EIO; | |
196 | ||
efe9c2bf JB |
197 | if (sdata->vif.active_links && |
198 | !(sdata->vif.active_links & BIT(link->link_id))) | |
199 | return 0; | |
200 | ||
d2b3fe42 BN |
201 | if (params->cw_min == 0 || params->cw_min > params->cw_max) { |
202 | /* | |
203 | * If we can't configure hardware anyway, don't warn. We may | |
204 | * never have initialized the CW parameters. | |
205 | */ | |
206 | WARN_ONCE(local->ops->conf_tx, | |
207 | "%s: invalid CW_min/CW_max: %d/%d\n", | |
208 | sdata->name, params->cw_min, params->cw_max); | |
b23dcd4a | 209 | return -EINVAL; |
d2b3fe42 | 210 | } |
b23dcd4a | 211 | |
b3e2130b | 212 | trace_drv_conf_tx(local, sdata, link->link_id, ac, params); |
b23dcd4a DV |
213 | if (local->ops->conf_tx) |
214 | ret = local->ops->conf_tx(&local->hw, &sdata->vif, | |
b3e2130b | 215 | link->link_id, ac, params); |
b23dcd4a DV |
216 | trace_drv_return_int(local, ret); |
217 | return ret; | |
218 | } | |
42677ed3 | 219 | |
416eb9fc DV |
220 | u64 drv_get_tsf(struct ieee80211_local *local, |
221 | struct ieee80211_sub_if_data *sdata) | |
222 | { | |
223 | u64 ret = -1ULL; | |
224 | ||
225 | might_sleep(); | |
226 | ||
227 | if (!check_sdata_in_driver(sdata)) | |
228 | return ret; | |
229 | ||
230 | trace_drv_get_tsf(local, sdata); | |
231 | if (local->ops->get_tsf) | |
232 | ret = local->ops->get_tsf(&local->hw, &sdata->vif); | |
233 | trace_drv_return_u64(local, ret); | |
234 | return ret; | |
235 | } | |
236 | ||
237 | void drv_set_tsf(struct ieee80211_local *local, | |
238 | struct ieee80211_sub_if_data *sdata, | |
239 | u64 tsf) | |
240 | { | |
241 | might_sleep(); | |
242 | ||
243 | if (!check_sdata_in_driver(sdata)) | |
244 | return; | |
245 | ||
246 | trace_drv_set_tsf(local, sdata, tsf); | |
247 | if (local->ops->set_tsf) | |
248 | local->ops->set_tsf(&local->hw, &sdata->vif, tsf); | |
249 | trace_drv_return_void(local); | |
250 | } | |
251 | ||
354d381b PT |
252 | void drv_offset_tsf(struct ieee80211_local *local, |
253 | struct ieee80211_sub_if_data *sdata, | |
254 | s64 offset) | |
255 | { | |
256 | might_sleep(); | |
257 | ||
258 | if (!check_sdata_in_driver(sdata)) | |
259 | return; | |
260 | ||
261 | trace_drv_offset_tsf(local, sdata, offset); | |
262 | if (local->ops->offset_tsf) | |
263 | local->ops->offset_tsf(&local->hw, &sdata->vif, offset); | |
264 | trace_drv_return_void(local); | |
265 | } | |
266 | ||
416eb9fc DV |
267 | void drv_reset_tsf(struct ieee80211_local *local, |
268 | struct ieee80211_sub_if_data *sdata) | |
269 | { | |
270 | might_sleep(); | |
271 | ||
272 | if (!check_sdata_in_driver(sdata)) | |
273 | return; | |
274 | ||
275 | trace_drv_reset_tsf(local, sdata); | |
276 | if (local->ops->reset_tsf) | |
277 | local->ops->reset_tsf(&local->hw, &sdata->vif); | |
278 | trace_drv_return_void(local); | |
279 | } | |
280 | ||
efe9c2bf JB |
281 | int drv_assign_vif_chanctx(struct ieee80211_local *local, |
282 | struct ieee80211_sub_if_data *sdata, | |
283 | struct ieee80211_bss_conf *link_conf, | |
284 | struct ieee80211_chanctx *ctx) | |
285 | { | |
286 | int ret = 0; | |
287 | ||
288 | drv_verify_link_exists(sdata, link_conf); | |
289 | if (!check_sdata_in_driver(sdata)) | |
290 | return -EIO; | |
291 | ||
292 | if (sdata->vif.active_links && | |
293 | !(sdata->vif.active_links & BIT(link_conf->link_id))) | |
294 | return 0; | |
295 | ||
296 | trace_drv_assign_vif_chanctx(local, sdata, link_conf, ctx); | |
297 | if (local->ops->assign_vif_chanctx) { | |
298 | WARN_ON_ONCE(!ctx->driver_present); | |
299 | ret = local->ops->assign_vif_chanctx(&local->hw, | |
300 | &sdata->vif, | |
301 | link_conf, | |
302 | &ctx->conf); | |
303 | } | |
304 | trace_drv_return_int(local, ret); | |
305 | ||
306 | return ret; | |
307 | } | |
308 | ||
309 | void drv_unassign_vif_chanctx(struct ieee80211_local *local, | |
310 | struct ieee80211_sub_if_data *sdata, | |
311 | struct ieee80211_bss_conf *link_conf, | |
312 | struct ieee80211_chanctx *ctx) | |
313 | { | |
314 | might_sleep(); | |
315 | ||
316 | drv_verify_link_exists(sdata, link_conf); | |
317 | if (!check_sdata_in_driver(sdata)) | |
318 | return; | |
319 | ||
320 | if (sdata->vif.active_links && | |
321 | !(sdata->vif.active_links & BIT(link_conf->link_id))) | |
322 | return; | |
323 | ||
324 | trace_drv_unassign_vif_chanctx(local, sdata, link_conf, ctx); | |
325 | if (local->ops->unassign_vif_chanctx) { | |
326 | WARN_ON_ONCE(!ctx->driver_present); | |
327 | local->ops->unassign_vif_chanctx(&local->hw, | |
328 | &sdata->vif, | |
329 | link_conf, | |
330 | &ctx->conf); | |
331 | } | |
332 | trace_drv_return_void(local); | |
333 | } | |
334 | ||
42677ed3 DV |
335 | int drv_switch_vif_chanctx(struct ieee80211_local *local, |
336 | struct ieee80211_vif_chanctx_switch *vifs, | |
337 | int n_vifs, enum ieee80211_chanctx_switch_mode mode) | |
338 | { | |
339 | int ret = 0; | |
340 | int i; | |
341 | ||
dcae9e02 C |
342 | might_sleep(); |
343 | ||
42677ed3 DV |
344 | if (!local->ops->switch_vif_chanctx) |
345 | return -EOPNOTSUPP; | |
346 | ||
347 | for (i = 0; i < n_vifs; i++) { | |
348 | struct ieee80211_chanctx *new_ctx = | |
349 | container_of(vifs[i].new_ctx, | |
350 | struct ieee80211_chanctx, | |
351 | conf); | |
352 | struct ieee80211_chanctx *old_ctx = | |
353 | container_of(vifs[i].old_ctx, | |
354 | struct ieee80211_chanctx, | |
355 | conf); | |
356 | ||
357 | WARN_ON_ONCE(!old_ctx->driver_present); | |
358 | WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS && | |
359 | new_ctx->driver_present) || | |
360 | (mode == CHANCTX_SWMODE_REASSIGN_VIF && | |
361 | !new_ctx->driver_present)); | |
362 | } | |
363 | ||
364 | trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode); | |
365 | ret = local->ops->switch_vif_chanctx(&local->hw, | |
366 | vifs, n_vifs, mode); | |
367 | trace_drv_return_int(local, ret); | |
368 | ||
369 | if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) { | |
370 | for (i = 0; i < n_vifs; i++) { | |
371 | struct ieee80211_chanctx *new_ctx = | |
372 | container_of(vifs[i].new_ctx, | |
373 | struct ieee80211_chanctx, | |
374 | conf); | |
375 | struct ieee80211_chanctx *old_ctx = | |
376 | container_of(vifs[i].old_ctx, | |
377 | struct ieee80211_chanctx, | |
378 | conf); | |
379 | ||
380 | new_ctx->driver_present = true; | |
381 | old_ctx->driver_present = false; | |
382 | } | |
383 | } | |
384 | ||
385 | return ret; | |
386 | } | |
6db96838 DV |
387 | |
388 | int drv_ampdu_action(struct ieee80211_local *local, | |
389 | struct ieee80211_sub_if_data *sdata, | |
50ea05ef | 390 | struct ieee80211_ampdu_params *params) |
6db96838 DV |
391 | { |
392 | int ret = -EOPNOTSUPP; | |
393 | ||
394 | might_sleep(); | |
395 | ||
69403bad AW |
396 | if (!sdata) |
397 | return -EIO; | |
398 | ||
6db96838 DV |
399 | sdata = get_bss_sdata(sdata); |
400 | if (!check_sdata_in_driver(sdata)) | |
401 | return -EIO; | |
402 | ||
50ea05ef | 403 | trace_drv_ampdu_action(local, sdata, params); |
6db96838 DV |
404 | |
405 | if (local->ops->ampdu_action) | |
50ea05ef | 406 | ret = local->ops->ampdu_action(&local->hw, &sdata->vif, params); |
6db96838 DV |
407 | |
408 | trace_drv_return_int(local, ret); | |
409 | ||
410 | return ret; | |
411 | } | |
efe9c2bf JB |
412 | |
413 | void drv_link_info_changed(struct ieee80211_local *local, | |
414 | struct ieee80211_sub_if_data *sdata, | |
415 | struct ieee80211_bss_conf *info, | |
416 | int link_id, u64 changed) | |
417 | { | |
418 | might_sleep(); | |
419 | ||
420 | if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON | | |
421 | BSS_CHANGED_BEACON_ENABLED) && | |
422 | sdata->vif.type != NL80211_IFTYPE_AP && | |
423 | sdata->vif.type != NL80211_IFTYPE_ADHOC && | |
424 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT && | |
425 | sdata->vif.type != NL80211_IFTYPE_OCB)) | |
426 | return; | |
427 | ||
428 | if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE || | |
429 | sdata->vif.type == NL80211_IFTYPE_NAN || | |
430 | (sdata->vif.type == NL80211_IFTYPE_MONITOR && | |
431 | !sdata->vif.bss_conf.mu_mimo_owner && | |
432 | !(changed & BSS_CHANGED_TXPOWER)))) | |
433 | return; | |
434 | ||
435 | if (!check_sdata_in_driver(sdata)) | |
436 | return; | |
437 | ||
438 | if (sdata->vif.active_links && | |
439 | !(sdata->vif.active_links & BIT(link_id))) | |
440 | return; | |
441 | ||
442 | trace_drv_link_info_changed(local, sdata, info, changed); | |
443 | if (local->ops->link_info_changed) | |
444 | local->ops->link_info_changed(&local->hw, &sdata->vif, | |
445 | info, changed); | |
446 | else if (local->ops->bss_info_changed) | |
447 | local->ops->bss_info_changed(&local->hw, &sdata->vif, | |
448 | info, changed); | |
449 | trace_drv_return_void(local); | |
450 | } | |
451 | ||
452 | int drv_set_key(struct ieee80211_local *local, | |
453 | enum set_key_cmd cmd, | |
454 | struct ieee80211_sub_if_data *sdata, | |
455 | struct ieee80211_sta *sta, | |
456 | struct ieee80211_key_conf *key) | |
457 | { | |
458 | int ret; | |
459 | ||
460 | might_sleep(); | |
461 | ||
462 | sdata = get_bss_sdata(sdata); | |
463 | if (!check_sdata_in_driver(sdata)) | |
464 | return -EIO; | |
465 | ||
466 | if (WARN_ON(key->link_id >= 0 && sdata->vif.active_links && | |
467 | !(sdata->vif.active_links & BIT(key->link_id)))) | |
468 | return -ENOLINK; | |
469 | ||
470 | trace_drv_set_key(local, cmd, sdata, sta, key); | |
471 | ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key); | |
472 | trace_drv_return_int(local, ret); | |
473 | return ret; | |
474 | } | |
475 | ||
476 | int drv_change_vif_links(struct ieee80211_local *local, | |
477 | struct ieee80211_sub_if_data *sdata, | |
478 | u16 old_links, u16 new_links, | |
479 | struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) | |
480 | { | |
170cd6a6 BB |
481 | struct ieee80211_link_data *link; |
482 | unsigned long links_to_add; | |
483 | unsigned long links_to_rem; | |
484 | unsigned int link_id; | |
efe9c2bf JB |
485 | int ret = -EOPNOTSUPP; |
486 | ||
487 | might_sleep(); | |
488 | ||
489 | if (!check_sdata_in_driver(sdata)) | |
490 | return -EIO; | |
491 | ||
492 | if (old_links == new_links) | |
493 | return 0; | |
494 | ||
170cd6a6 BB |
495 | links_to_add = ~old_links & new_links; |
496 | links_to_rem = old_links & ~new_links; | |
497 | ||
498 | for_each_set_bit(link_id, &links_to_rem, IEEE80211_MLD_MAX_NUM_LINKS) { | |
499 | link = rcu_access_pointer(sdata->link[link_id]); | |
500 | ||
501 | ieee80211_link_debugfs_drv_remove(link); | |
502 | } | |
503 | ||
efe9c2bf JB |
504 | trace_drv_change_vif_links(local, sdata, old_links, new_links); |
505 | if (local->ops->change_vif_links) | |
506 | ret = local->ops->change_vif_links(&local->hw, &sdata->vif, | |
507 | old_links, new_links, old); | |
508 | trace_drv_return_int(local, ret); | |
509 | ||
170cd6a6 BB |
510 | if (ret) |
511 | return ret; | |
512 | ||
513 | for_each_set_bit(link_id, &links_to_add, IEEE80211_MLD_MAX_NUM_LINKS) { | |
514 | link = rcu_access_pointer(sdata->link[link_id]); | |
515 | ||
516 | ieee80211_link_debugfs_drv_add(link); | |
517 | } | |
518 | ||
519 | return 0; | |
efe9c2bf JB |
520 | } |
521 | ||
522 | int drv_change_sta_links(struct ieee80211_local *local, | |
523 | struct ieee80211_sub_if_data *sdata, | |
524 | struct ieee80211_sta *sta, | |
525 | u16 old_links, u16 new_links) | |
526 | { | |
d2caad52 BB |
527 | struct sta_info *info = container_of(sta, struct sta_info, sta); |
528 | struct link_sta_info *link_sta; | |
529 | unsigned long links_to_add; | |
530 | unsigned long links_to_rem; | |
531 | unsigned int link_id; | |
efe9c2bf JB |
532 | int ret = -EOPNOTSUPP; |
533 | ||
534 | might_sleep(); | |
535 | ||
536 | if (!check_sdata_in_driver(sdata)) | |
537 | return -EIO; | |
538 | ||
539 | old_links &= sdata->vif.active_links; | |
540 | new_links &= sdata->vif.active_links; | |
541 | ||
542 | if (old_links == new_links) | |
543 | return 0; | |
544 | ||
d2caad52 BB |
545 | links_to_add = ~old_links & new_links; |
546 | links_to_rem = old_links & ~new_links; | |
547 | ||
548 | for_each_set_bit(link_id, &links_to_rem, IEEE80211_MLD_MAX_NUM_LINKS) { | |
549 | link_sta = rcu_dereference_protected(info->link[link_id], | |
550 | lockdep_is_held(&local->sta_mtx)); | |
551 | ||
552 | ieee80211_link_sta_debugfs_drv_remove(link_sta); | |
553 | } | |
554 | ||
efe9c2bf JB |
555 | trace_drv_change_sta_links(local, sdata, sta, old_links, new_links); |
556 | if (local->ops->change_sta_links) | |
557 | ret = local->ops->change_sta_links(&local->hw, &sdata->vif, sta, | |
558 | old_links, new_links); | |
559 | trace_drv_return_int(local, ret); | |
560 | ||
d2caad52 BB |
561 | if (ret) |
562 | return ret; | |
563 | ||
564 | for_each_set_bit(link_id, &links_to_add, IEEE80211_MLD_MAX_NUM_LINKS) { | |
565 | link_sta = rcu_dereference_protected(info->link[link_id], | |
566 | lockdep_is_held(&local->sta_mtx)); | |
567 | ieee80211_link_sta_debugfs_drv_add(link_sta); | |
568 | } | |
569 | ||
570 | return 0; | |
efe9c2bf | 571 | } |