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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright 2015 Intel Deutschland GmbH
4 * Copyright (C) 2022-2024 Intel Corporation
5 */
6#include <net/mac80211.h>
7#include "ieee80211_i.h"
8#include "trace.h"
9#include "driver-ops.h"
10#include "debugfs_sta.h"
11#include "debugfs_netdev.h"
12
13int drv_start(struct ieee80211_local *local)
14{
15 int ret;
16
17 might_sleep();
18 lockdep_assert_wiphy(local->hw.wiphy);
19
20 if (WARN_ON(local->started))
21 return -EALREADY;
22
23 trace_drv_start(local);
24 local->started = true;
25 /* allow rx frames */
26 smp_mb();
27 ret = local->ops->start(&local->hw);
28 trace_drv_return_int(local, ret);
29
30 if (ret)
31 local->started = false;
32
33 return ret;
34}
35
36void drv_stop(struct ieee80211_local *local, bool suspend)
37{
38 might_sleep();
39 lockdep_assert_wiphy(local->hw.wiphy);
40
41 if (WARN_ON(!local->started))
42 return;
43
44 trace_drv_stop(local, suspend);
45 local->ops->stop(&local->hw, suspend);
46 trace_drv_return_void(local);
47
48 /* sync away all work on the tasklet before clearing started */
49 tasklet_disable(&local->tasklet);
50 tasklet_enable(&local->tasklet);
51
52 barrier();
53
54 local->started = false;
55}
56
57int drv_add_interface(struct ieee80211_local *local,
58 struct ieee80211_sub_if_data *sdata)
59{
60 int ret;
61
62 might_sleep();
63 lockdep_assert_wiphy(local->hw.wiphy);
64
65 if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
66 (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
67 !ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) &&
68 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR) &&
69 !(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE))))
70 return -EINVAL;
71
72 trace_drv_add_interface(local, sdata);
73 ret = local->ops->add_interface(&local->hw, &sdata->vif);
74 trace_drv_return_int(local, ret);
75
76 if (ret)
77 return ret;
78
79 if (!(sdata->flags & IEEE80211_SDATA_IN_DRIVER)) {
80 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
81
82 drv_vif_add_debugfs(local, sdata);
83 /* initially vif is not MLD */
84 ieee80211_link_debugfs_drv_add(&sdata->deflink);
85 }
86
87 return 0;
88}
89
90int drv_change_interface(struct ieee80211_local *local,
91 struct ieee80211_sub_if_data *sdata,
92 enum nl80211_iftype type, bool p2p)
93{
94 int ret;
95
96 might_sleep();
97 lockdep_assert_wiphy(local->hw.wiphy);
98
99 if (!check_sdata_in_driver(sdata))
100 return -EIO;
101
102 trace_drv_change_interface(local, sdata, type, p2p);
103 ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
104 trace_drv_return_int(local, ret);
105 return ret;
106}
107
108void drv_remove_interface(struct ieee80211_local *local,
109 struct ieee80211_sub_if_data *sdata)
110{
111 might_sleep();
112 lockdep_assert_wiphy(local->hw.wiphy);
113
114 if (!check_sdata_in_driver(sdata))
115 return;
116
117 sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
118
119 /* Remove driver debugfs entries */
120 ieee80211_debugfs_recreate_netdev(sdata, sdata->vif.valid_links);
121
122 trace_drv_remove_interface(local, sdata);
123 local->ops->remove_interface(&local->hw, &sdata->vif);
124 trace_drv_return_void(local);
125}
126
127__must_check
128int drv_sta_state(struct ieee80211_local *local,
129 struct ieee80211_sub_if_data *sdata,
130 struct sta_info *sta,
131 enum ieee80211_sta_state old_state,
132 enum ieee80211_sta_state new_state)
133{
134 int ret = 0;
135
136 might_sleep();
137 lockdep_assert_wiphy(local->hw.wiphy);
138
139 sdata = get_bss_sdata(sdata);
140 if (!check_sdata_in_driver(sdata))
141 return -EIO;
142
143 trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
144 if (local->ops->sta_state) {
145 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
146 old_state, new_state);
147 } else if (old_state == IEEE80211_STA_AUTH &&
148 new_state == IEEE80211_STA_ASSOC) {
149 ret = drv_sta_add(local, sdata, &sta->sta);
150 if (ret == 0) {
151 sta->uploaded = true;
152 if (rcu_access_pointer(sta->sta.rates))
153 drv_sta_rate_tbl_update(local, sdata, &sta->sta);
154 }
155 } else if (old_state == IEEE80211_STA_ASSOC &&
156 new_state == IEEE80211_STA_AUTH) {
157 drv_sta_remove(local, sdata, &sta->sta);
158 }
159 trace_drv_return_int(local, ret);
160 return ret;
161}
162
163__must_check
164int drv_sta_set_txpwr(struct ieee80211_local *local,
165 struct ieee80211_sub_if_data *sdata,
166 struct sta_info *sta)
167{
168 int ret = -EOPNOTSUPP;
169
170 might_sleep();
171 lockdep_assert_wiphy(local->hw.wiphy);
172
173 sdata = get_bss_sdata(sdata);
174 if (!check_sdata_in_driver(sdata))
175 return -EIO;
176
177 trace_drv_sta_set_txpwr(local, sdata, &sta->sta);
178 if (local->ops->sta_set_txpwr)
179 ret = local->ops->sta_set_txpwr(&local->hw, &sdata->vif,
180 &sta->sta);
181 trace_drv_return_int(local, ret);
182 return ret;
183}
184
185void drv_link_sta_rc_update(struct ieee80211_local *local,
186 struct ieee80211_sub_if_data *sdata,
187 struct ieee80211_link_sta *link_sta,
188 u32 changed)
189{
190 sdata = get_bss_sdata(sdata);
191 if (!check_sdata_in_driver(sdata))
192 return;
193
194 WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
195 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
196 sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
197
198 trace_drv_link_sta_rc_update(local, sdata, link_sta, changed);
199 if (local->ops->link_sta_rc_update)
200 local->ops->link_sta_rc_update(&local->hw, &sdata->vif,
201 link_sta, changed);
202
203 trace_drv_return_void(local);
204}
205
206int drv_conf_tx(struct ieee80211_local *local,
207 struct ieee80211_link_data *link, u16 ac,
208 const struct ieee80211_tx_queue_params *params)
209{
210 struct ieee80211_sub_if_data *sdata = link->sdata;
211 int ret = -EOPNOTSUPP;
212
213 might_sleep();
214 lockdep_assert_wiphy(local->hw.wiphy);
215
216 if (!check_sdata_in_driver(sdata))
217 return -EIO;
218
219 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
220 return 0;
221
222 if (params->cw_min == 0 || params->cw_min > params->cw_max) {
223 /*
224 * If we can't configure hardware anyway, don't warn. We may
225 * never have initialized the CW parameters.
226 */
227 WARN_ONCE(local->ops->conf_tx,
228 "%s: invalid CW_min/CW_max: %d/%d\n",
229 sdata->name, params->cw_min, params->cw_max);
230 return -EINVAL;
231 }
232
233 trace_drv_conf_tx(local, sdata, link->link_id, ac, params);
234 if (local->ops->conf_tx)
235 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
236 link->link_id, ac, params);
237 trace_drv_return_int(local, ret);
238 return ret;
239}
240
241u64 drv_get_tsf(struct ieee80211_local *local,
242 struct ieee80211_sub_if_data *sdata)
243{
244 u64 ret = -1ULL;
245
246 might_sleep();
247 lockdep_assert_wiphy(local->hw.wiphy);
248
249 if (!check_sdata_in_driver(sdata))
250 return ret;
251
252 trace_drv_get_tsf(local, sdata);
253 if (local->ops->get_tsf)
254 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
255 trace_drv_return_u64(local, ret);
256 return ret;
257}
258
259void drv_set_tsf(struct ieee80211_local *local,
260 struct ieee80211_sub_if_data *sdata,
261 u64 tsf)
262{
263 might_sleep();
264 lockdep_assert_wiphy(local->hw.wiphy);
265
266 if (!check_sdata_in_driver(sdata))
267 return;
268
269 trace_drv_set_tsf(local, sdata, tsf);
270 if (local->ops->set_tsf)
271 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
272 trace_drv_return_void(local);
273}
274
275void drv_offset_tsf(struct ieee80211_local *local,
276 struct ieee80211_sub_if_data *sdata,
277 s64 offset)
278{
279 might_sleep();
280 lockdep_assert_wiphy(local->hw.wiphy);
281
282 if (!check_sdata_in_driver(sdata))
283 return;
284
285 trace_drv_offset_tsf(local, sdata, offset);
286 if (local->ops->offset_tsf)
287 local->ops->offset_tsf(&local->hw, &sdata->vif, offset);
288 trace_drv_return_void(local);
289}
290
291void drv_reset_tsf(struct ieee80211_local *local,
292 struct ieee80211_sub_if_data *sdata)
293{
294 might_sleep();
295 lockdep_assert_wiphy(local->hw.wiphy);
296
297 if (!check_sdata_in_driver(sdata))
298 return;
299
300 trace_drv_reset_tsf(local, sdata);
301 if (local->ops->reset_tsf)
302 local->ops->reset_tsf(&local->hw, &sdata->vif);
303 trace_drv_return_void(local);
304}
305
306int drv_assign_vif_chanctx(struct ieee80211_local *local,
307 struct ieee80211_sub_if_data *sdata,
308 struct ieee80211_bss_conf *link_conf,
309 struct ieee80211_chanctx *ctx)
310{
311 int ret = 0;
312
313 might_sleep();
314 lockdep_assert_wiphy(local->hw.wiphy);
315
316 /*
317 * We should perhaps push emulate chanctx down and only
318 * make it call ->config() when the chanctx is actually
319 * assigned here (and unassigned below), but that's yet
320 * another change to all drivers to add assign/unassign
321 * emulation callbacks. Maybe later.
322 */
323 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
324 local->emulate_chanctx &&
325 !ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
326 return 0;
327
328 if (!check_sdata_in_driver(sdata))
329 return -EIO;
330
331 if (!ieee80211_vif_link_active(&sdata->vif, link_conf->link_id))
332 return 0;
333
334 trace_drv_assign_vif_chanctx(local, sdata, link_conf, ctx);
335 if (local->ops->assign_vif_chanctx) {
336 WARN_ON_ONCE(!ctx->driver_present);
337 ret = local->ops->assign_vif_chanctx(&local->hw,
338 &sdata->vif,
339 link_conf,
340 &ctx->conf);
341 }
342 trace_drv_return_int(local, ret);
343
344 return ret;
345}
346
347void drv_unassign_vif_chanctx(struct ieee80211_local *local,
348 struct ieee80211_sub_if_data *sdata,
349 struct ieee80211_bss_conf *link_conf,
350 struct ieee80211_chanctx *ctx)
351{
352 might_sleep();
353 lockdep_assert_wiphy(local->hw.wiphy);
354
355 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
356 local->emulate_chanctx &&
357 !ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
358 return;
359
360 if (!check_sdata_in_driver(sdata))
361 return;
362
363 if (!ieee80211_vif_link_active(&sdata->vif, link_conf->link_id))
364 return;
365
366 trace_drv_unassign_vif_chanctx(local, sdata, link_conf, ctx);
367 if (local->ops->unassign_vif_chanctx) {
368 WARN_ON_ONCE(!ctx->driver_present);
369 local->ops->unassign_vif_chanctx(&local->hw,
370 &sdata->vif,
371 link_conf,
372 &ctx->conf);
373 }
374 trace_drv_return_void(local);
375}
376
377int drv_switch_vif_chanctx(struct ieee80211_local *local,
378 struct ieee80211_vif_chanctx_switch *vifs,
379 int n_vifs, enum ieee80211_chanctx_switch_mode mode)
380{
381 int ret = 0;
382 int i;
383
384 might_sleep();
385 lockdep_assert_wiphy(local->hw.wiphy);
386
387 if (!local->ops->switch_vif_chanctx)
388 return -EOPNOTSUPP;
389
390 for (i = 0; i < n_vifs; i++) {
391 struct ieee80211_chanctx *new_ctx =
392 container_of(vifs[i].new_ctx,
393 struct ieee80211_chanctx,
394 conf);
395 struct ieee80211_chanctx *old_ctx =
396 container_of(vifs[i].old_ctx,
397 struct ieee80211_chanctx,
398 conf);
399
400 WARN_ON_ONCE(!old_ctx->driver_present);
401 WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
402 new_ctx->driver_present) ||
403 (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
404 !new_ctx->driver_present));
405 }
406
407 trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
408 ret = local->ops->switch_vif_chanctx(&local->hw,
409 vifs, n_vifs, mode);
410 trace_drv_return_int(local, ret);
411
412 if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
413 for (i = 0; i < n_vifs; i++) {
414 struct ieee80211_chanctx *new_ctx =
415 container_of(vifs[i].new_ctx,
416 struct ieee80211_chanctx,
417 conf);
418 struct ieee80211_chanctx *old_ctx =
419 container_of(vifs[i].old_ctx,
420 struct ieee80211_chanctx,
421 conf);
422
423 new_ctx->driver_present = true;
424 old_ctx->driver_present = false;
425 }
426 }
427
428 return ret;
429}
430
431int drv_ampdu_action(struct ieee80211_local *local,
432 struct ieee80211_sub_if_data *sdata,
433 struct ieee80211_ampdu_params *params)
434{
435 int ret = -EOPNOTSUPP;
436
437 might_sleep();
438 lockdep_assert_wiphy(local->hw.wiphy);
439
440 sdata = get_bss_sdata(sdata);
441 if (!check_sdata_in_driver(sdata))
442 return -EIO;
443
444 trace_drv_ampdu_action(local, sdata, params);
445
446 if (local->ops->ampdu_action)
447 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, params);
448
449 trace_drv_return_int(local, ret);
450
451 return ret;
452}
453
454void drv_link_info_changed(struct ieee80211_local *local,
455 struct ieee80211_sub_if_data *sdata,
456 struct ieee80211_bss_conf *info,
457 int link_id, u64 changed)
458{
459 might_sleep();
460 lockdep_assert_wiphy(local->hw.wiphy);
461
462 if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
463 BSS_CHANGED_BEACON_ENABLED) &&
464 sdata->vif.type != NL80211_IFTYPE_AP &&
465 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
466 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
467 sdata->vif.type != NL80211_IFTYPE_OCB))
468 return;
469
470 if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
471 sdata->vif.type == NL80211_IFTYPE_NAN ||
472 (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
473 !sdata->vif.bss_conf.mu_mimo_owner &&
474 !(changed & BSS_CHANGED_TXPOWER))))
475 return;
476
477 if (!check_sdata_in_driver(sdata))
478 return;
479
480 if (!ieee80211_vif_link_active(&sdata->vif, link_id))
481 return;
482
483 trace_drv_link_info_changed(local, sdata, info, changed);
484 if (local->ops->link_info_changed)
485 local->ops->link_info_changed(&local->hw, &sdata->vif,
486 info, changed);
487 else if (local->ops->bss_info_changed)
488 local->ops->bss_info_changed(&local->hw, &sdata->vif,
489 info, changed);
490 trace_drv_return_void(local);
491}
492
493int drv_set_key(struct ieee80211_local *local,
494 enum set_key_cmd cmd,
495 struct ieee80211_sub_if_data *sdata,
496 struct ieee80211_sta *sta,
497 struct ieee80211_key_conf *key)
498{
499 int ret;
500
501 might_sleep();
502 lockdep_assert_wiphy(local->hw.wiphy);
503
504 sdata = get_bss_sdata(sdata);
505 if (!check_sdata_in_driver(sdata))
506 return -EIO;
507
508 if (WARN_ON(key->link_id >= 0 && sdata->vif.active_links &&
509 !(sdata->vif.active_links & BIT(key->link_id))))
510 return -ENOLINK;
511
512 trace_drv_set_key(local, cmd, sdata, sta, key);
513 ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
514 trace_drv_return_int(local, ret);
515 return ret;
516}
517
518int drv_change_vif_links(struct ieee80211_local *local,
519 struct ieee80211_sub_if_data *sdata,
520 u16 old_links, u16 new_links,
521 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])
522{
523 struct ieee80211_link_data *link;
524 unsigned long links_to_add;
525 unsigned long links_to_rem;
526 unsigned int link_id;
527 int ret = -EOPNOTSUPP;
528
529 might_sleep();
530 lockdep_assert_wiphy(local->hw.wiphy);
531
532 if (!check_sdata_in_driver(sdata))
533 return -EIO;
534
535 if (old_links == new_links)
536 return 0;
537
538 links_to_add = ~old_links & new_links;
539 links_to_rem = old_links & ~new_links;
540
541 for_each_set_bit(link_id, &links_to_rem, IEEE80211_MLD_MAX_NUM_LINKS) {
542 link = rcu_access_pointer(sdata->link[link_id]);
543
544 ieee80211_link_debugfs_drv_remove(link);
545 }
546
547 trace_drv_change_vif_links(local, sdata, old_links, new_links);
548 if (local->ops->change_vif_links)
549 ret = local->ops->change_vif_links(&local->hw, &sdata->vif,
550 old_links, new_links, old);
551 trace_drv_return_int(local, ret);
552
553 if (ret)
554 return ret;
555
556 if (!local->in_reconfig && !local->resuming) {
557 for_each_set_bit(link_id, &links_to_add,
558 IEEE80211_MLD_MAX_NUM_LINKS) {
559 link = rcu_access_pointer(sdata->link[link_id]);
560
561 ieee80211_link_debugfs_drv_add(link);
562 }
563 }
564
565 return 0;
566}
567
568int drv_change_sta_links(struct ieee80211_local *local,
569 struct ieee80211_sub_if_data *sdata,
570 struct ieee80211_sta *sta,
571 u16 old_links, u16 new_links)
572{
573 struct sta_info *info = container_of(sta, struct sta_info, sta);
574 struct link_sta_info *link_sta;
575 unsigned long links_to_add;
576 unsigned long links_to_rem;
577 unsigned int link_id;
578 int ret = -EOPNOTSUPP;
579
580 might_sleep();
581 lockdep_assert_wiphy(local->hw.wiphy);
582
583 if (!check_sdata_in_driver(sdata))
584 return -EIO;
585
586 old_links &= sdata->vif.active_links;
587 new_links &= sdata->vif.active_links;
588
589 if (old_links == new_links)
590 return 0;
591
592 links_to_add = ~old_links & new_links;
593 links_to_rem = old_links & ~new_links;
594
595 for_each_set_bit(link_id, &links_to_rem, IEEE80211_MLD_MAX_NUM_LINKS) {
596 link_sta = rcu_dereference_protected(info->link[link_id],
597 lockdep_is_held(&local->hw.wiphy->mtx));
598
599 ieee80211_link_sta_debugfs_drv_remove(link_sta);
600 }
601
602 trace_drv_change_sta_links(local, sdata, sta, old_links, new_links);
603 if (local->ops->change_sta_links)
604 ret = local->ops->change_sta_links(&local->hw, &sdata->vif, sta,
605 old_links, new_links);
606 trace_drv_return_int(local, ret);
607
608 if (ret)
609 return ret;
610
611 /* during reconfig don't add it to debugfs again */
612 if (local->in_reconfig || local->resuming)
613 return 0;
614
615 for_each_set_bit(link_id, &links_to_add, IEEE80211_MLD_MAX_NUM_LINKS) {
616 link_sta = rcu_dereference_protected(info->link[link_id],
617 lockdep_is_held(&local->hw.wiphy->mtx));
618 ieee80211_link_sta_debugfs_drv_add(link_sta);
619 }
620
621 return 0;
622}
1/*
2 * Copyright 2015 Intel Deutschland GmbH
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 as
6 * published by the Free Software Foundation.
7 */
8#include <net/mac80211.h>
9#include "ieee80211_i.h"
10#include "trace.h"
11#include "driver-ops.h"
12
13int 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
35void 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
55int 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) &&
65 !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))))
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
78int 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
95void 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
109__must_check
110int 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);
131 if (ret == 0)
132 sta->uploaded = true;
133 } else if (old_state == IEEE80211_STA_ASSOC &&
134 new_state == IEEE80211_STA_AUTH) {
135 drv_sta_remove(local, sdata, &sta->sta);
136 }
137 trace_drv_return_int(local, ret);
138 return ret;
139}
140
141void drv_sta_rc_update(struct ieee80211_local *local,
142 struct ieee80211_sub_if_data *sdata,
143 struct ieee80211_sta *sta, u32 changed)
144{
145 sdata = get_bss_sdata(sdata);
146 if (!check_sdata_in_driver(sdata))
147 return;
148
149 WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
150 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
151 sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
152
153 trace_drv_sta_rc_update(local, sdata, sta, changed);
154 if (local->ops->sta_rc_update)
155 local->ops->sta_rc_update(&local->hw, &sdata->vif,
156 sta, changed);
157
158 trace_drv_return_void(local);
159}
160
161int drv_conf_tx(struct ieee80211_local *local,
162 struct ieee80211_sub_if_data *sdata, u16 ac,
163 const struct ieee80211_tx_queue_params *params)
164{
165 int ret = -EOPNOTSUPP;
166
167 might_sleep();
168
169 if (!check_sdata_in_driver(sdata))
170 return -EIO;
171
172 if (WARN_ONCE(params->cw_min == 0 ||
173 params->cw_min > params->cw_max,
174 "%s: invalid CW_min/CW_max: %d/%d\n",
175 sdata->name, params->cw_min, params->cw_max))
176 return -EINVAL;
177
178 trace_drv_conf_tx(local, sdata, ac, params);
179 if (local->ops->conf_tx)
180 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
181 ac, params);
182 trace_drv_return_int(local, ret);
183 return ret;
184}
185
186u64 drv_get_tsf(struct ieee80211_local *local,
187 struct ieee80211_sub_if_data *sdata)
188{
189 u64 ret = -1ULL;
190
191 might_sleep();
192
193 if (!check_sdata_in_driver(sdata))
194 return ret;
195
196 trace_drv_get_tsf(local, sdata);
197 if (local->ops->get_tsf)
198 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
199 trace_drv_return_u64(local, ret);
200 return ret;
201}
202
203void drv_set_tsf(struct ieee80211_local *local,
204 struct ieee80211_sub_if_data *sdata,
205 u64 tsf)
206{
207 might_sleep();
208
209 if (!check_sdata_in_driver(sdata))
210 return;
211
212 trace_drv_set_tsf(local, sdata, tsf);
213 if (local->ops->set_tsf)
214 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
215 trace_drv_return_void(local);
216}
217
218void drv_reset_tsf(struct ieee80211_local *local,
219 struct ieee80211_sub_if_data *sdata)
220{
221 might_sleep();
222
223 if (!check_sdata_in_driver(sdata))
224 return;
225
226 trace_drv_reset_tsf(local, sdata);
227 if (local->ops->reset_tsf)
228 local->ops->reset_tsf(&local->hw, &sdata->vif);
229 trace_drv_return_void(local);
230}
231
232int drv_switch_vif_chanctx(struct ieee80211_local *local,
233 struct ieee80211_vif_chanctx_switch *vifs,
234 int n_vifs, enum ieee80211_chanctx_switch_mode mode)
235{
236 int ret = 0;
237 int i;
238
239 might_sleep();
240
241 if (!local->ops->switch_vif_chanctx)
242 return -EOPNOTSUPP;
243
244 for (i = 0; i < n_vifs; i++) {
245 struct ieee80211_chanctx *new_ctx =
246 container_of(vifs[i].new_ctx,
247 struct ieee80211_chanctx,
248 conf);
249 struct ieee80211_chanctx *old_ctx =
250 container_of(vifs[i].old_ctx,
251 struct ieee80211_chanctx,
252 conf);
253
254 WARN_ON_ONCE(!old_ctx->driver_present);
255 WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
256 new_ctx->driver_present) ||
257 (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
258 !new_ctx->driver_present));
259 }
260
261 trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
262 ret = local->ops->switch_vif_chanctx(&local->hw,
263 vifs, n_vifs, mode);
264 trace_drv_return_int(local, ret);
265
266 if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
267 for (i = 0; i < n_vifs; i++) {
268 struct ieee80211_chanctx *new_ctx =
269 container_of(vifs[i].new_ctx,
270 struct ieee80211_chanctx,
271 conf);
272 struct ieee80211_chanctx *old_ctx =
273 container_of(vifs[i].old_ctx,
274 struct ieee80211_chanctx,
275 conf);
276
277 new_ctx->driver_present = true;
278 old_ctx->driver_present = false;
279 }
280 }
281
282 return ret;
283}
284
285int drv_ampdu_action(struct ieee80211_local *local,
286 struct ieee80211_sub_if_data *sdata,
287 struct ieee80211_ampdu_params *params)
288{
289 int ret = -EOPNOTSUPP;
290
291 might_sleep();
292
293 sdata = get_bss_sdata(sdata);
294 if (!check_sdata_in_driver(sdata))
295 return -EIO;
296
297 trace_drv_ampdu_action(local, sdata, params);
298
299 if (local->ops->ampdu_action)
300 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, params);
301
302 trace_drv_return_int(local, ret);
303
304 return ret;
305}