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