1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2019 MediaTek Inc.
3 *
4 * Author: Roy Luo <royluo@google.com>
5 * Ryder Lee <ryder.lee@mediatek.com>
6 * Felix Fietkau <nbd@nbd.name>
7 * Lorenzo Bianconi <lorenzo@kernel.org>
8 */
9
10 #include <linux/etherdevice.h>
11 #include <linux/module.h>
12 #include "mt7615.h"
13 #include "mcu.h"
14
mt7615_dev_running(struct mt7615_dev * dev)15 static bool mt7615_dev_running(struct mt7615_dev *dev)
16 {
17 struct mt7615_phy *phy;
18
19 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
20 return true;
21
22 phy = mt7615_ext_phy(dev);
23
24 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
25 }
26
mt7615_start(struct ieee80211_hw * hw)27 static int mt7615_start(struct ieee80211_hw *hw)
28 {
29 struct mt7615_dev *dev = mt7615_hw_dev(hw);
30 struct mt7615_phy *phy = mt7615_hw_phy(hw);
31 unsigned long timeout;
32 bool running;
33 int ret;
34
35 if (!mt7615_wait_for_mcu_init(dev))
36 return -EIO;
37
38 mt7615_mutex_acquire(dev);
39
40 running = mt7615_dev_running(dev);
41
42 if (!running) {
43 ret = mt7615_mcu_set_pm(dev, 0, 0);
44 if (ret)
45 goto out;
46
47 ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false);
48 if (ret)
49 goto out;
50
51 mt7615_mac_enable_nf(dev, 0);
52 }
53
54 if (phy != &dev->phy) {
55 ret = mt7615_mcu_set_pm(dev, 1, 0);
56 if (ret)
57 goto out;
58
59 ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false);
60 if (ret)
61 goto out;
62
63 mt7615_mac_enable_nf(dev, 1);
64 }
65
66 if (mt7615_firmware_offload(dev)) {
67 ret = mt76_connac_mcu_set_channel_domain(phy->mt76);
68 if (ret)
69 goto out;
70
71 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76);
72 if (ret)
73 goto out;
74 }
75
76 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
77 if (ret)
78 goto out;
79
80 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
81
82 timeout = mt7615_get_macwork_timeout(dev);
83 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
84
85 if (!running)
86 mt7615_mac_reset_counters(phy);
87
88 out:
89 mt7615_mutex_release(dev);
90
91 return ret;
92 }
93
mt7615_stop(struct ieee80211_hw * hw)94 static void mt7615_stop(struct ieee80211_hw *hw)
95 {
96 struct mt7615_dev *dev = mt7615_hw_dev(hw);
97 struct mt7615_phy *phy = mt7615_hw_phy(hw);
98
99 cancel_delayed_work_sync(&phy->mt76->mac_work);
100 del_timer_sync(&phy->roc_timer);
101 cancel_work_sync(&phy->roc_work);
102
103 cancel_delayed_work_sync(&dev->pm.ps_work);
104 cancel_work_sync(&dev->pm.wake_work);
105
106 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
107
108 mt7615_mutex_acquire(dev);
109
110 mt76_testmode_reset(phy->mt76, true);
111
112 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
113 cancel_delayed_work_sync(&phy->scan_work);
114
115 if (phy != &dev->phy) {
116 mt7615_mcu_set_pm(dev, 1, 1);
117 mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, false, false);
118 }
119
120 if (!mt7615_dev_running(dev)) {
121 mt7615_mcu_set_pm(dev, 0, 1);
122 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
123 }
124
125 mt7615_mutex_release(dev);
126 }
127
get_free_idx(u32 mask,u8 start,u8 end)128 static inline int get_free_idx(u32 mask, u8 start, u8 end)
129 {
130 return ffs(~mask & GENMASK(end, start));
131 }
132
get_omac_idx(enum nl80211_iftype type,u64 mask)133 static int get_omac_idx(enum nl80211_iftype type, u64 mask)
134 {
135 int i;
136
137 switch (type) {
138 case NL80211_IFTYPE_STATION:
139 /* prefer hw bssid slot 1-3 */
140 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
141 if (i)
142 return i - 1;
143
144 /* next, try to find a free repeater entry for the sta */
145 i = get_free_idx(mask >> REPEATER_BSSID_START, 0,
146 REPEATER_BSSID_MAX - REPEATER_BSSID_START);
147 if (i)
148 return i + 32 - 1;
149
150 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
151 if (i)
152 return i - 1;
153
154 if (~mask & BIT(HW_BSSID_0))
155 return HW_BSSID_0;
156
157 break;
158 case NL80211_IFTYPE_ADHOC:
159 case NL80211_IFTYPE_MESH_POINT:
160 case NL80211_IFTYPE_MONITOR:
161 case NL80211_IFTYPE_AP:
162 /* ap uses hw bssid 0 and ext bssid */
163 if (~mask & BIT(HW_BSSID_0))
164 return HW_BSSID_0;
165
166 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
167 if (i)
168 return i - 1;
169
170 break;
171 default:
172 WARN_ON(1);
173 break;
174 }
175
176 return -1;
177 }
178
mt7615_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)179 static int mt7615_add_interface(struct ieee80211_hw *hw,
180 struct ieee80211_vif *vif)
181 {
182 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
183 struct mt7615_dev *dev = mt7615_hw_dev(hw);
184 struct mt7615_phy *phy = mt7615_hw_phy(hw);
185 struct mt76_txq *mtxq;
186 bool ext_phy = phy != &dev->phy;
187 int idx, ret = 0;
188
189 mt7615_mutex_acquire(dev);
190
191 mt76_testmode_reset(phy->mt76, true);
192
193 if (vif->type == NL80211_IFTYPE_MONITOR &&
194 is_zero_ether_addr(vif->addr))
195 phy->monitor_vif = vif;
196
197 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
198 if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) {
199 ret = -ENOSPC;
200 goto out;
201 }
202
203 idx = get_omac_idx(vif->type, dev->omac_mask);
204 if (idx < 0) {
205 ret = -ENOSPC;
206 goto out;
207 }
208 mvif->mt76.omac_idx = idx;
209
210 mvif->mt76.band_idx = ext_phy;
211 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP;
212 if (ext_phy)
213 mvif->mt76.wmm_idx += 2;
214
215 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
216 dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
217 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
218
219 ret = mt7615_mcu_set_dbdc(dev);
220 if (ret)
221 goto out;
222
223 idx = MT7615_WTBL_RESERVED - mvif->mt76.idx;
224
225 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
226 mvif->sta.wcid.idx = idx;
227 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx;
228 mvif->sta.wcid.hw_key_idx = -1;
229 mt76_wcid_init(&mvif->sta.wcid);
230
231 mt7615_mac_wtbl_update(dev, idx,
232 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
233
234 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
235 if (vif->txq) {
236 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
237 mtxq->wcid = idx;
238 }
239
240 ret = mt7615_mcu_add_dev_info(phy, vif, true);
241 out:
242 mt7615_mutex_release(dev);
243
244 return ret;
245 }
246
mt7615_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)247 static void mt7615_remove_interface(struct ieee80211_hw *hw,
248 struct ieee80211_vif *vif)
249 {
250 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
251 struct mt7615_sta *msta = &mvif->sta;
252 struct mt7615_dev *dev = mt7615_hw_dev(hw);
253 struct mt7615_phy *phy = mt7615_hw_phy(hw);
254 int idx = msta->wcid.idx;
255
256 mt7615_mutex_acquire(dev);
257
258 mt7615_mcu_add_bss_info(phy, vif, NULL, false);
259 mt7615_mcu_sta_add(phy, vif, NULL, false);
260
261 mt76_testmode_reset(phy->mt76, true);
262 if (vif == phy->monitor_vif)
263 phy->monitor_vif = NULL;
264
265 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
266
267 mt7615_mcu_add_dev_info(phy, vif, false);
268
269 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
270
271 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
272 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
273 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
274
275 mt7615_mutex_release(dev);
276
277 spin_lock_bh(&dev->mt76.sta_poll_lock);
278 if (!list_empty(&msta->wcid.poll_list))
279 list_del_init(&msta->wcid.poll_list);
280 spin_unlock_bh(&dev->mt76.sta_poll_lock);
281
282 mt76_wcid_cleanup(&dev->mt76, &mvif->sta.wcid);
283 }
284
mt7615_set_channel(struct mt7615_phy * phy)285 int mt7615_set_channel(struct mt7615_phy *phy)
286 {
287 struct mt7615_dev *dev = phy->dev;
288 bool ext_phy = phy != &dev->phy;
289 int ret;
290
291 cancel_delayed_work_sync(&phy->mt76->mac_work);
292
293 mt7615_mutex_acquire(dev);
294
295 set_bit(MT76_RESET, &phy->mt76->state);
296
297 mt76_set_channel(phy->mt76);
298
299 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
300 ret = mt7615_mcu_apply_rx_dcoc(phy);
301 if (ret)
302 goto out;
303
304 ret = mt7615_mcu_apply_tx_dpd(phy);
305 if (ret)
306 goto out;
307 }
308
309 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
310 if (ret)
311 goto out;
312
313 mt7615_mac_set_timing(phy);
314 ret = mt7615_dfs_init_radar_detector(phy);
315 if (ret)
316 goto out;
317
318 mt7615_mac_cca_stats_reset(phy);
319 ret = mt7615_mcu_set_sku_en(phy, true);
320 if (ret)
321 goto out;
322
323 mt7615_mac_reset_counters(phy);
324 phy->noise = 0;
325 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
326
327 out:
328 clear_bit(MT76_RESET, &phy->mt76->state);
329
330 mt7615_mutex_release(dev);
331
332 mt76_worker_schedule(&dev->mt76.tx_worker);
333 if (!mt76_testmode_enabled(phy->mt76)) {
334 unsigned long timeout = mt7615_get_macwork_timeout(dev);
335
336 ieee80211_queue_delayed_work(phy->mt76->hw,
337 &phy->mt76->mac_work, timeout);
338 }
339
340 return ret;
341 }
342
mt7615_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)343 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
344 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
345 struct ieee80211_key_conf *key)
346 {
347 struct mt7615_dev *dev = mt7615_hw_dev(hw);
348 struct mt7615_phy *phy = mt7615_hw_phy(hw);
349 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
350 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
351 &mvif->sta;
352 struct mt76_wcid *wcid = &msta->wcid;
353 int idx = key->keyidx, err = 0;
354 u8 *wcid_keyidx = &wcid->hw_key_idx;
355
356 /* The hardware does not support per-STA RX GTK, fallback
357 * to software mode for these.
358 */
359 if ((vif->type == NL80211_IFTYPE_ADHOC ||
360 vif->type == NL80211_IFTYPE_MESH_POINT) &&
361 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
362 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
363 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
364 return -EOPNOTSUPP;
365
366 /* fall back to sw encryption for unsupported ciphers */
367 switch (key->cipher) {
368 case WLAN_CIPHER_SUITE_AES_CMAC:
369 wcid_keyidx = &wcid->hw_key_idx2;
370 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
371 break;
372 case WLAN_CIPHER_SUITE_TKIP:
373 case WLAN_CIPHER_SUITE_CCMP:
374 case WLAN_CIPHER_SUITE_CCMP_256:
375 case WLAN_CIPHER_SUITE_GCMP:
376 case WLAN_CIPHER_SUITE_GCMP_256:
377 case WLAN_CIPHER_SUITE_SMS4:
378 break;
379 case WLAN_CIPHER_SUITE_WEP40:
380 case WLAN_CIPHER_SUITE_WEP104:
381 default:
382 return -EOPNOTSUPP;
383 }
384
385 mt7615_mutex_acquire(dev);
386
387 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
388 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
389 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
390 }
391
392 if (cmd == SET_KEY)
393 *wcid_keyidx = idx;
394 else {
395 if (idx == *wcid_keyidx)
396 *wcid_keyidx = -1;
397 goto out;
398 }
399
400 mt76_wcid_key_setup(&dev->mt76, wcid, key);
401 if (mt76_is_mmio(&dev->mt76))
402 err = mt7615_mac_wtbl_set_key(dev, wcid, key);
403 else
404 err = __mt7615_mac_wtbl_set_key(dev, wcid, key);
405
406 out:
407 mt7615_mutex_release(dev);
408
409 return err;
410 }
411
mt7615_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)412 static int mt7615_set_sar_specs(struct ieee80211_hw *hw,
413 const struct cfg80211_sar_specs *sar)
414 {
415 struct mt7615_phy *phy = mt7615_hw_phy(hw);
416 int err;
417
418 if (!cfg80211_chandef_valid(&phy->mt76->chandef))
419 return -EINVAL;
420
421 err = mt76_init_sar_power(hw, sar);
422 if (err)
423 return err;
424
425 if (mt7615_firmware_offload(phy->dev))
426 return mt76_connac_mcu_set_rate_txpower(phy->mt76);
427
428 ieee80211_stop_queues(hw);
429 err = mt7615_set_channel(phy);
430 ieee80211_wake_queues(hw);
431
432 return err;
433 }
434
mt7615_config(struct ieee80211_hw * hw,u32 changed)435 static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
436 {
437 struct mt7615_dev *dev = mt7615_hw_dev(hw);
438 struct mt7615_phy *phy = mt7615_hw_phy(hw);
439 bool band = phy != &dev->phy;
440 int ret = 0;
441
442 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
443 IEEE80211_CONF_CHANGE_POWER)) {
444 #ifdef CONFIG_NL80211_TESTMODE
445 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
446 mt7615_mutex_acquire(dev);
447 mt76_testmode_reset(phy->mt76, false);
448 mt7615_mutex_release(dev);
449 }
450 #endif
451 ieee80211_stop_queues(hw);
452 ret = mt7615_set_channel(phy);
453 ieee80211_wake_queues(hw);
454 }
455
456 mt7615_mutex_acquire(dev);
457
458 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
459 mt76_testmode_reset(phy->mt76, true);
460
461 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
462 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
463 else
464 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
465
466 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
467 }
468
469 mt7615_mutex_release(dev);
470
471 return ret;
472 }
473
474 static int
mt7615_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)475 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
476 unsigned int link_id, u16 queue,
477 const struct ieee80211_tx_queue_params *params)
478 {
479 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
480 struct mt7615_dev *dev = mt7615_hw_dev(hw);
481 int err;
482
483 mt7615_mutex_acquire(dev);
484
485 queue = mt7615_lmac_mapping(dev, queue);
486 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
487 err = mt7615_mcu_set_wmm(dev, queue, params);
488
489 mt7615_mutex_release(dev);
490
491 return err;
492 }
493
mt7615_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)494 static void mt7615_configure_filter(struct ieee80211_hw *hw,
495 unsigned int changed_flags,
496 unsigned int *total_flags,
497 u64 multicast)
498 {
499 struct mt7615_dev *dev = mt7615_hw_dev(hw);
500 struct mt7615_phy *phy = mt7615_hw_phy(hw);
501 bool band = phy != &dev->phy;
502
503 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
504 MT_WF_RFCR1_DROP_BF_POLL |
505 MT_WF_RFCR1_DROP_BA |
506 MT_WF_RFCR1_DROP_CFEND |
507 MT_WF_RFCR1_DROP_CFACK;
508 u32 flags = 0;
509
510 mt7615_mutex_acquire(dev);
511
512 #define MT76_FILTER(_flag, _hw) do { \
513 flags |= *total_flags & FIF_##_flag; \
514 phy->rxfilter &= ~(_hw); \
515 if (!mt76_testmode_enabled(phy->mt76)) \
516 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
517 } while (0)
518
519 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
520 MT_WF_RFCR_DROP_FRAME_REPORT |
521 MT_WF_RFCR_DROP_PROBEREQ |
522 MT_WF_RFCR_DROP_MCAST_FILTERED |
523 MT_WF_RFCR_DROP_MCAST |
524 MT_WF_RFCR_DROP_BCAST |
525 MT_WF_RFCR_DROP_DUPLICATE |
526 MT_WF_RFCR_DROP_A2_BSSID |
527 MT_WF_RFCR_DROP_UNWANTED_CTL |
528 MT_WF_RFCR_DROP_STBC_MULTI);
529
530 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
531 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
532
533 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
534 MT_WF_RFCR_DROP_A3_MAC |
535 MT_WF_RFCR_DROP_A3_BSSID);
536
537 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
538
539 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
540 MT_WF_RFCR_DROP_RTS |
541 MT_WF_RFCR_DROP_CTL_RSV |
542 MT_WF_RFCR_DROP_NDPA);
543
544 *total_flags = flags;
545 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
546
547 if (*total_flags & FIF_CONTROL)
548 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
549 else
550 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
551
552 mt7615_mutex_release(dev);
553 }
554
555 static void
mt7615_update_mu_group(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info)556 mt7615_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
557 struct ieee80211_bss_conf *info)
558 {
559 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
560 struct mt7615_dev *dev = mt7615_hw_dev(hw);
561 u8 i, band = mvif->mt76.band_idx;
562 u32 *mu;
563
564 mu = (u32 *)info->mu_group.membership;
565 for (i = 0; i < WLAN_MEMBERSHIP_LEN / sizeof(*mu); i++) {
566 if (is_mt7663(&dev->mt76))
567 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
568 else
569 mt76_wr(dev, MT_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
570 }
571
572 mu = (u32 *)info->mu_group.position;
573 for (i = 0; i < WLAN_USER_POSITION_LEN / sizeof(*mu); i++) {
574 if (is_mt7663(&dev->mt76))
575 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_POS(band, i), mu[i]);
576 else
577 mt76_wr(dev, MT_WF_PHY_GID_TAB_POS(band, i), mu[i]);
578 }
579 }
580
mt7615_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)581 static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
582 struct ieee80211_vif *vif,
583 struct ieee80211_bss_conf *info,
584 u64 changed)
585 {
586 struct mt7615_dev *dev = mt7615_hw_dev(hw);
587 struct mt7615_phy *phy = mt7615_hw_phy(hw);
588
589 mt7615_mutex_acquire(dev);
590
591 if (changed & BSS_CHANGED_ERP_SLOT) {
592 int slottime = info->use_short_slot ? 9 : 20;
593
594 if (slottime != phy->slottime) {
595 phy->slottime = slottime;
596 mt7615_mac_set_timing(phy);
597 }
598 }
599
600 if (changed & BSS_CHANGED_ERP_CTS_PROT)
601 mt7615_mac_enable_rtscts(dev, vif, info->use_cts_prot);
602
603 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
604 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
605 mt7615_mcu_sta_add(phy, vif, NULL, true);
606
607 if (mt7615_firmware_offload(dev) && vif->p2p)
608 mt76_connac_mcu_set_p2p_oppps(hw, vif);
609 }
610
611 if (changed & (BSS_CHANGED_BEACON |
612 BSS_CHANGED_BEACON_ENABLED))
613 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
614
615 if (changed & BSS_CHANGED_PS)
616 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
617
618 if ((changed & BSS_CHANGED_ARP_FILTER) &&
619 mt7615_firmware_offload(dev)) {
620 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
621
622 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
623 info);
624 }
625
626 if (changed & BSS_CHANGED_ASSOC)
627 mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc);
628
629 if (changed & BSS_CHANGED_MU_GROUPS)
630 mt7615_update_mu_group(hw, vif, info);
631
632 mt7615_mutex_release(dev);
633 }
634
635 static void
mt7615_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)636 mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
637 struct ieee80211_vif *vif,
638 struct cfg80211_chan_def *chandef)
639 {
640 struct mt7615_dev *dev = mt7615_hw_dev(hw);
641
642 mt7615_mutex_acquire(dev);
643 mt7615_mcu_add_beacon(dev, hw, vif, true);
644 mt7615_mutex_release(dev);
645 }
646
mt7615_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)647 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
648 struct ieee80211_sta *sta)
649 {
650 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
651 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
652 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
653 struct mt7615_phy *phy;
654 int idx, err;
655
656 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
657 if (idx < 0)
658 return -ENOSPC;
659
660 INIT_LIST_HEAD(&msta->wcid.poll_list);
661 msta->vif = mvif;
662 msta->wcid.sta = 1;
663 msta->wcid.idx = idx;
664 msta->wcid.phy_idx = mvif->mt76.band_idx;
665
666 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
667 err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
668 if (err)
669 return err;
670
671 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
672 err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
673 if (err)
674 return err;
675 }
676
677 mt7615_mac_wtbl_update(dev, idx,
678 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
679 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
680 if (err)
681 return err;
682
683 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
684
685 return err;
686 }
687 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
688
mt7615_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)689 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
690 struct ieee80211_sta *sta)
691 {
692 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
693 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
694 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
695 struct mt7615_phy *phy;
696
697 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
698
699 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
700 mt76_connac_pm_wake(phy->mt76, &dev->pm);
701
702 mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
703 mt7615_mac_wtbl_update(dev, msta->wcid.idx,
704 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
705 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
706 mt7615_mcu_add_bss_info(phy, vif, sta, false);
707
708 spin_lock_bh(&mdev->sta_poll_lock);
709 if (!list_empty(&msta->wcid.poll_list))
710 list_del_init(&msta->wcid.poll_list);
711 spin_unlock_bh(&mdev->sta_poll_lock);
712
713 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
714 }
715 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
716
mt7615_sta_rate_tbl_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)717 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
718 struct ieee80211_vif *vif,
719 struct ieee80211_sta *sta)
720 {
721 struct mt7615_dev *dev = mt7615_hw_dev(hw);
722 struct mt7615_phy *phy = mt7615_hw_phy(hw);
723 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
724 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
725 int i;
726
727 if (!sta_rates)
728 return;
729
730 spin_lock_bh(&dev->mt76.lock);
731 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
732 msta->rates[i].idx = sta_rates->rate[i].idx;
733 msta->rates[i].count = sta_rates->rate[i].count;
734 msta->rates[i].flags = sta_rates->rate[i].flags;
735
736 if (msta->rates[i].idx < 0 || !msta->rates[i].count)
737 break;
738 }
739 msta->n_rates = i;
740 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
741 mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
742 mt76_connac_pm_unref(phy->mt76, &dev->pm);
743 }
744 spin_unlock_bh(&dev->mt76.lock);
745 }
746
mt7615_tx_worker(struct mt76_worker * w)747 void mt7615_tx_worker(struct mt76_worker *w)
748 {
749 struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
750 mt76.tx_worker);
751
752 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
753 queue_work(dev->mt76.wq, &dev->pm.wake_work);
754 return;
755 }
756
757 mt76_tx_worker_run(&dev->mt76);
758 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
759 }
760
mt7615_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)761 static void mt7615_tx(struct ieee80211_hw *hw,
762 struct ieee80211_tx_control *control,
763 struct sk_buff *skb)
764 {
765 struct mt7615_dev *dev = mt7615_hw_dev(hw);
766 struct mt76_phy *mphy = hw->priv;
767 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
768 struct ieee80211_vif *vif = info->control.vif;
769 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
770 struct mt7615_sta *msta = NULL;
771 int qid;
772
773 if (control->sta) {
774 msta = (struct mt7615_sta *)control->sta->drv_priv;
775 wcid = &msta->wcid;
776 }
777
778 if (vif && !control->sta) {
779 struct mt7615_vif *mvif;
780
781 mvif = (struct mt7615_vif *)vif->drv_priv;
782 msta = &mvif->sta;
783 wcid = &msta->wcid;
784 }
785
786 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
787 mt76_tx(mphy, control->sta, wcid, skb);
788 mt76_connac_pm_unref(mphy, &dev->pm);
789 return;
790 }
791
792 qid = skb_get_queue_mapping(skb);
793 if (qid >= MT_TXQ_PSD) {
794 qid = IEEE80211_AC_BE;
795 skb_set_queue_mapping(skb, qid);
796 }
797
798 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
799 }
800
mt7615_set_rts_threshold(struct ieee80211_hw * hw,u32 val)801 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
802 {
803 struct mt7615_dev *dev = mt7615_hw_dev(hw);
804 struct mt7615_phy *phy = mt7615_hw_phy(hw);
805 int err, band = phy != &dev->phy;
806
807 mt7615_mutex_acquire(dev);
808 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
809 mt7615_mutex_release(dev);
810
811 return err;
812 }
813
814 static int
mt7615_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)815 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
816 struct ieee80211_ampdu_params *params)
817 {
818 enum ieee80211_ampdu_mlme_action action = params->action;
819 struct mt7615_dev *dev = mt7615_hw_dev(hw);
820 struct ieee80211_sta *sta = params->sta;
821 struct ieee80211_txq *txq = sta->txq[params->tid];
822 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
823 u16 tid = params->tid;
824 u16 ssn = params->ssn;
825 struct mt76_txq *mtxq;
826 int ret = 0;
827
828 if (!txq)
829 return -EINVAL;
830
831 mtxq = (struct mt76_txq *)txq->drv_priv;
832
833 mt7615_mutex_acquire(dev);
834
835 switch (action) {
836 case IEEE80211_AMPDU_RX_START:
837 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
838 params->buf_size);
839 ret = mt7615_mcu_add_rx_ba(dev, params, true);
840 break;
841 case IEEE80211_AMPDU_RX_STOP:
842 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
843 ret = mt7615_mcu_add_rx_ba(dev, params, false);
844 break;
845 case IEEE80211_AMPDU_TX_OPERATIONAL:
846 mtxq->aggr = true;
847 mtxq->send_bar = false;
848 ret = mt7615_mcu_add_tx_ba(dev, params, true);
849 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
850 ieee80211_send_bar(vif, sta->addr, tid,
851 IEEE80211_SN_TO_SEQ(ssn));
852 break;
853 case IEEE80211_AMPDU_TX_STOP_FLUSH:
854 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
855 mtxq->aggr = false;
856 ret = mt7615_mcu_add_tx_ba(dev, params, false);
857 break;
858 case IEEE80211_AMPDU_TX_START:
859 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
860 params->ssn = ssn;
861 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
862 break;
863 case IEEE80211_AMPDU_TX_STOP_CONT:
864 mtxq->aggr = false;
865 ret = mt7615_mcu_add_tx_ba(dev, params, false);
866 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
867 break;
868 }
869 mt7615_mutex_release(dev);
870
871 return ret;
872 }
873
874 static int
mt7615_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)875 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
876 struct ieee80211_sta *sta)
877 {
878 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
879 IEEE80211_STA_NONE);
880 }
881
882 static int
mt7615_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)883 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
884 struct ieee80211_sta *sta)
885 {
886 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
887 IEEE80211_STA_NOTEXIST);
888 }
889
890 static int
mt7615_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)891 mt7615_get_stats(struct ieee80211_hw *hw,
892 struct ieee80211_low_level_stats *stats)
893 {
894 struct mt7615_phy *phy = mt7615_hw_phy(hw);
895 struct mib_stats *mib = &phy->mib;
896
897 mt7615_mutex_acquire(phy->dev);
898
899 stats->dot11RTSSuccessCount = mib->rts_cnt;
900 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
901 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
902 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
903
904 mt7615_mutex_release(phy->dev);
905
906 return 0;
907 }
908
909 static u64
mt7615_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)910 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
911 {
912 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
913 struct mt7615_dev *dev = mt7615_hw_dev(hw);
914 union {
915 u64 t64;
916 u32 t32[2];
917 } tsf;
918 u16 idx = mvif->mt76.omac_idx;
919 u32 reg;
920
921 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
922 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
923
924 mt7615_mutex_acquire(dev);
925
926 /* TSF read */
927 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
928 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
929 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
930
931 mt7615_mutex_release(dev);
932
933 return tsf.t64;
934 }
935
936 static void
mt7615_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)937 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
938 u64 timestamp)
939 {
940 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
941 struct mt7615_dev *dev = mt7615_hw_dev(hw);
942 union {
943 u64 t64;
944 u32 t32[2];
945 } tsf = { .t64 = timestamp, };
946 u16 idx = mvif->mt76.omac_idx;
947 u32 reg;
948
949 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
950 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
951
952 mt7615_mutex_acquire(dev);
953
954 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
955 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
956 /* TSF software overwrite */
957 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
958
959 mt7615_mutex_release(dev);
960 }
961
962 static void
mt7615_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)963 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
964 s64 timestamp)
965 {
966 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
967 struct mt7615_dev *dev = mt7615_hw_dev(hw);
968 union {
969 u64 t64;
970 u32 t32[2];
971 } tsf = { .t64 = timestamp, };
972 u16 idx = mvif->mt76.omac_idx;
973 u32 reg;
974
975 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
976 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
977
978 mt7615_mutex_acquire(dev);
979
980 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
981 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
982 /* TSF software adjust*/
983 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
984
985 mt7615_mutex_release(dev);
986 }
987
988 static void
mt7615_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)989 mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
990 {
991 struct mt7615_phy *phy = mt7615_hw_phy(hw);
992 struct mt7615_dev *dev = phy->dev;
993
994 mt7615_mutex_acquire(dev);
995 phy->coverage_class = max_t(s16, coverage_class, 0);
996 mt7615_mac_set_timing(phy);
997 mt7615_mutex_release(dev);
998 }
999
1000 static int
mt7615_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)1001 mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1002 {
1003 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1004 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1005 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1006 bool ext_phy = phy != &dev->phy;
1007
1008 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1009 return -EINVAL;
1010
1011 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1012 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1013
1014 mt7615_mutex_acquire(dev);
1015
1016 phy->mt76->antenna_mask = tx_ant;
1017 if (ext_phy) {
1018 if (dev->chainmask == 0xf)
1019 tx_ant <<= 2;
1020 else
1021 tx_ant <<= 1;
1022 }
1023 phy->mt76->chainmask = tx_ant;
1024
1025 mt76_set_stream_caps(phy->mt76, true);
1026
1027 mt7615_mutex_release(dev);
1028
1029 return 0;
1030 }
1031
mt7615_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)1032 static void mt7615_roc_iter(void *priv, u8 *mac,
1033 struct ieee80211_vif *vif)
1034 {
1035 struct mt7615_phy *phy = priv;
1036
1037 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1038 }
1039
mt7615_roc_work(struct work_struct * work)1040 void mt7615_roc_work(struct work_struct *work)
1041 {
1042 struct mt7615_phy *phy;
1043
1044 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1045 roc_work);
1046
1047 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1048 return;
1049
1050 mt7615_mutex_acquire(phy->dev);
1051 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1052 IEEE80211_IFACE_ITER_RESUME_ALL,
1053 mt7615_roc_iter, phy);
1054 mt7615_mutex_release(phy->dev);
1055 ieee80211_remain_on_channel_expired(phy->mt76->hw);
1056 }
1057
mt7615_roc_timer(struct timer_list * timer)1058 void mt7615_roc_timer(struct timer_list *timer)
1059 {
1060 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer);
1061
1062 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1063 }
1064
mt7615_scan_work(struct work_struct * work)1065 void mt7615_scan_work(struct work_struct *work)
1066 {
1067 struct mt7615_phy *phy;
1068
1069 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1070 scan_work.work);
1071
1072 while (true) {
1073 struct mt7615_mcu_rxd *rxd;
1074 struct sk_buff *skb;
1075
1076 spin_lock_bh(&phy->dev->mt76.lock);
1077 skb = __skb_dequeue(&phy->scan_event_list);
1078 spin_unlock_bh(&phy->dev->mt76.lock);
1079
1080 if (!skb)
1081 break;
1082
1083 rxd = (struct mt7615_mcu_rxd *)skb->data;
1084 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1085 ieee80211_sched_scan_results(phy->mt76->hw);
1086 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1087 &phy->mt76->state)) {
1088 struct cfg80211_scan_info info = {
1089 .aborted = false,
1090 };
1091
1092 ieee80211_scan_completed(phy->mt76->hw, &info);
1093 }
1094 dev_kfree_skb(skb);
1095 }
1096 }
1097
1098 static int
mt7615_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1099 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1100 struct ieee80211_scan_request *req)
1101 {
1102 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1103 struct mt76_phy *mphy = hw->priv;
1104 int err;
1105
1106 /* fall-back to sw-scan */
1107 if (!mt7615_firmware_offload(dev))
1108 return 1;
1109
1110 mt7615_mutex_acquire(dev);
1111 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1112 mt7615_mutex_release(dev);
1113
1114 return err;
1115 }
1116
1117 static void
mt7615_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1118 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1119 {
1120 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1121 struct mt76_phy *mphy = hw->priv;
1122
1123 mt7615_mutex_acquire(dev);
1124 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1125 mt7615_mutex_release(dev);
1126 }
1127
1128 static int
mt7615_start_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_sched_scan_request * req,struct ieee80211_scan_ies * ies)1129 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1130 struct cfg80211_sched_scan_request *req,
1131 struct ieee80211_scan_ies *ies)
1132 {
1133 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1134 struct mt76_phy *mphy = hw->priv;
1135 int err;
1136
1137 if (!mt7615_firmware_offload(dev))
1138 return -EOPNOTSUPP;
1139
1140 mt7615_mutex_acquire(dev);
1141
1142 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1143 if (err < 0)
1144 goto out;
1145
1146 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1147 out:
1148 mt7615_mutex_release(dev);
1149
1150 return err;
1151 }
1152
1153 static int
mt7615_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1154 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1155 {
1156 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1157 struct mt76_phy *mphy = hw->priv;
1158 int err;
1159
1160 if (!mt7615_firmware_offload(dev))
1161 return -EOPNOTSUPP;
1162
1163 mt7615_mutex_acquire(dev);
1164 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1165 mt7615_mutex_release(dev);
1166
1167 return err;
1168 }
1169
mt7615_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)1170 static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1171 struct ieee80211_vif *vif,
1172 struct ieee80211_channel *chan,
1173 int duration,
1174 enum ieee80211_roc_type type)
1175 {
1176 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1177 int err;
1178
1179 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1180 return 0;
1181
1182 mt7615_mutex_acquire(phy->dev);
1183
1184 err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1185 if (err < 0) {
1186 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1187 goto out;
1188 }
1189
1190 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1191 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1192 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1193 err = -ETIMEDOUT;
1194 }
1195
1196 out:
1197 mt7615_mutex_release(phy->dev);
1198
1199 return err;
1200 }
1201
mt7615_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1202 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1203 struct ieee80211_vif *vif)
1204 {
1205 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1206 int err;
1207
1208 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1209 return 0;
1210
1211 del_timer_sync(&phy->roc_timer);
1212 cancel_work_sync(&phy->roc_work);
1213
1214 mt7615_mutex_acquire(phy->dev);
1215 err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1216 mt7615_mutex_release(phy->dev);
1217
1218 return err;
1219 }
1220
mt7615_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1221 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1222 struct ieee80211_vif *vif,
1223 struct ieee80211_sta *sta,
1224 bool enabled)
1225 {
1226 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1227 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1228
1229 mt7615_mutex_acquire(dev);
1230
1231 if (enabled)
1232 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1233 else
1234 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1235
1236 mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1237
1238 mt7615_mutex_release(dev);
1239 }
1240
1241 #ifdef CONFIG_PM
mt7615_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1242 static int mt7615_suspend(struct ieee80211_hw *hw,
1243 struct cfg80211_wowlan *wowlan)
1244 {
1245 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1246 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1247 int err = 0;
1248
1249 cancel_delayed_work_sync(&dev->pm.ps_work);
1250 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1251
1252 mt7615_mutex_acquire(dev);
1253
1254 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1255 cancel_delayed_work_sync(&phy->scan_work);
1256 cancel_delayed_work_sync(&phy->mt76->mac_work);
1257
1258 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1259 ieee80211_iterate_active_interfaces(hw,
1260 IEEE80211_IFACE_ITER_RESUME_ALL,
1261 mt76_connac_mcu_set_suspend_iter,
1262 phy->mt76);
1263
1264 if (!mt7615_dev_running(dev))
1265 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true);
1266
1267 mt7615_mutex_release(dev);
1268
1269 return err;
1270 }
1271
mt7615_resume(struct ieee80211_hw * hw)1272 static int mt7615_resume(struct ieee80211_hw *hw)
1273 {
1274 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1275 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1276 unsigned long timeout;
1277 bool running;
1278
1279 mt7615_mutex_acquire(dev);
1280
1281 running = mt7615_dev_running(dev);
1282 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1283
1284 if (!running) {
1285 int err;
1286
1287 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false);
1288 if (err < 0) {
1289 mt7615_mutex_release(dev);
1290 return err;
1291 }
1292 }
1293
1294 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1295 ieee80211_iterate_active_interfaces(hw,
1296 IEEE80211_IFACE_ITER_RESUME_ALL,
1297 mt76_connac_mcu_set_suspend_iter,
1298 phy->mt76);
1299
1300 timeout = mt7615_get_macwork_timeout(dev);
1301 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1302
1303 mt7615_mutex_release(dev);
1304
1305 return 0;
1306 }
1307
mt7615_set_wakeup(struct ieee80211_hw * hw,bool enabled)1308 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1309 {
1310 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1311 struct mt76_dev *mdev = &dev->mt76;
1312
1313 device_set_wakeup_enable(mdev->dev, enabled);
1314 }
1315
mt7615_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1316 static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1317 struct ieee80211_vif *vif,
1318 struct cfg80211_gtk_rekey_data *data)
1319 {
1320 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1321
1322 mt7615_mutex_acquire(dev);
1323 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1324 mt7615_mutex_release(dev);
1325 }
1326 #endif /* CONFIG_PM */
1327
1328 const struct ieee80211_ops mt7615_ops = {
1329 .tx = mt7615_tx,
1330 .start = mt7615_start,
1331 .stop = mt7615_stop,
1332 .add_interface = mt7615_add_interface,
1333 .remove_interface = mt7615_remove_interface,
1334 .config = mt7615_config,
1335 .conf_tx = mt7615_conf_tx,
1336 .configure_filter = mt7615_configure_filter,
1337 .bss_info_changed = mt7615_bss_info_changed,
1338 .sta_add = mt7615_sta_add,
1339 .sta_remove = mt7615_sta_remove,
1340 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1341 .set_key = mt7615_set_key,
1342 .sta_set_decap_offload = mt7615_sta_set_decap_offload,
1343 .ampdu_action = mt7615_ampdu_action,
1344 .set_rts_threshold = mt7615_set_rts_threshold,
1345 .wake_tx_queue = mt76_wake_tx_queue,
1346 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1347 .sw_scan_start = mt76_sw_scan,
1348 .sw_scan_complete = mt76_sw_scan_complete,
1349 .release_buffered_frames = mt76_release_buffered_frames,
1350 .get_txpower = mt76_get_txpower,
1351 .channel_switch_beacon = mt7615_channel_switch_beacon,
1352 .get_stats = mt7615_get_stats,
1353 .get_tsf = mt7615_get_tsf,
1354 .set_tsf = mt7615_set_tsf,
1355 .offset_tsf = mt7615_offset_tsf,
1356 .get_survey = mt76_get_survey,
1357 .get_antenna = mt76_get_antenna,
1358 .set_antenna = mt7615_set_antenna,
1359 .set_coverage_class = mt7615_set_coverage_class,
1360 .hw_scan = mt7615_hw_scan,
1361 .cancel_hw_scan = mt7615_cancel_hw_scan,
1362 .sched_scan_start = mt7615_start_sched_scan,
1363 .sched_scan_stop = mt7615_stop_sched_scan,
1364 .remain_on_channel = mt7615_remain_on_channel,
1365 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1366 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1367 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1368 #ifdef CONFIG_PM
1369 .suspend = mt7615_suspend,
1370 .resume = mt7615_resume,
1371 .set_wakeup = mt7615_set_wakeup,
1372 .set_rekey_data = mt7615_set_rekey_data,
1373 #endif /* CONFIG_PM */
1374 .set_sar_specs = mt7615_set_sar_specs,
1375 };
1376 EXPORT_SYMBOL_GPL(mt7615_ops);
1377
1378 MODULE_LICENSE("Dual BSD/GPL");
1379