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drm/vkms: Add support for ABGR8888 pixel format
[drm/drm-misc.git] / drivers / net / wireless / mediatek / mt76 / mt7615 / main.c
blob3769753880075730dea0d01d051993f7c60e3825
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
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
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
94 static void mt7615_stop(struct ieee80211_hw *hw, bool suspend)
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
128 static inline int get_free_idx(u32 mask, u8 start, u8 end)
129 {
130 return ffs(~mask & GENMASK(end, start));
131 }
132
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
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
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
285 int mt7615_set_channel(struct mt76_phy *mphy)
286 {
287 struct mt7615_phy *phy = mphy->priv;
288 struct mt7615_dev *dev = phy->dev;
289 bool ext_phy = phy != &dev->phy;
290 int ret;
291
292 mt76_connac_pm_wake(mphy, &dev->pm);
293
294 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
295 ret = mt7615_mcu_apply_rx_dcoc(phy);
296 if (ret)
297 goto out;
298
299 ret = mt7615_mcu_apply_tx_dpd(phy);
300 if (ret)
301 goto out;
302 }
303
304 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
305 if (ret)
306 goto out;
307
308 mt7615_mac_set_timing(phy);
309 ret = mt7615_dfs_init_radar_detector(phy);
310 if (ret)
311 goto out;
312
313 mt7615_mac_cca_stats_reset(phy);
314 ret = mt7615_mcu_set_sku_en(phy, true);
315 if (ret)
316 goto out;
317
318 mt7615_mac_reset_counters(phy);
319 phy->noise = 0;
320 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
321
322 out:
323 mt76_connac_power_save_sched(mphy, &dev->pm);
324
325 if (!mt76_testmode_enabled(phy->mt76)) {
326 unsigned long timeout = mt7615_get_macwork_timeout(dev);
327
328 ieee80211_queue_delayed_work(phy->mt76->hw,
329 &phy->mt76->mac_work, timeout);
330 }
331
332 return ret;
333 }
334 EXPORT_SYMBOL_GPL(mt7615_set_channel);
335
336 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
337 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
338 struct ieee80211_key_conf *key)
339 {
340 struct mt7615_dev *dev = mt7615_hw_dev(hw);
341 struct mt7615_phy *phy = mt7615_hw_phy(hw);
342 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
343 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
344 &mvif->sta;
345 struct mt76_wcid *wcid = &msta->wcid;
346 int idx = key->keyidx, err = 0;
347 u8 *wcid_keyidx = &wcid->hw_key_idx;
348
349 /* The hardware does not support per-STA RX GTK, fallback
350 * to software mode for these.
351 */
352 if ((vif->type == NL80211_IFTYPE_ADHOC ||
353 vif->type == NL80211_IFTYPE_MESH_POINT) &&
354 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
355 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
356 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
357 return -EOPNOTSUPP;
358
359 /* fall back to sw encryption for unsupported ciphers */
360 switch (key->cipher) {
361 case WLAN_CIPHER_SUITE_AES_CMAC:
362 wcid_keyidx = &wcid->hw_key_idx2;
363 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
364 break;
365 case WLAN_CIPHER_SUITE_TKIP:
366 case WLAN_CIPHER_SUITE_CCMP:
367 case WLAN_CIPHER_SUITE_CCMP_256:
368 case WLAN_CIPHER_SUITE_GCMP:
369 case WLAN_CIPHER_SUITE_GCMP_256:
370 case WLAN_CIPHER_SUITE_SMS4:
371 break;
372 case WLAN_CIPHER_SUITE_WEP40:
373 case WLAN_CIPHER_SUITE_WEP104:
374 default:
375 return -EOPNOTSUPP;
376 }
377
378 mt7615_mutex_acquire(dev);
379
380 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
381 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
382 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
383 }
384
385 if (cmd == SET_KEY)
386 *wcid_keyidx = idx;
387 else {
388 if (idx == *wcid_keyidx)
389 *wcid_keyidx = -1;
390 goto out;
391 }
392
393 mt76_wcid_key_setup(&dev->mt76, wcid, key);
394 if (mt76_is_mmio(&dev->mt76))
395 err = mt7615_mac_wtbl_set_key(dev, wcid, key);
396 else
397 err = __mt7615_mac_wtbl_set_key(dev, wcid, key);
398
399 out:
400 mt7615_mutex_release(dev);
401
402 return err;
403 }
404
405 static int mt7615_set_sar_specs(struct ieee80211_hw *hw,
406 const struct cfg80211_sar_specs *sar)
407 {
408 struct mt7615_phy *phy = mt7615_hw_phy(hw);
409 int err;
410
411 if (!cfg80211_chandef_valid(&phy->mt76->chandef))
412 return -EINVAL;
413
414 err = mt76_init_sar_power(hw, sar);
415 if (err)
416 return err;
417
418 if (mt7615_firmware_offload(phy->dev))
419 return mt76_connac_mcu_set_rate_txpower(phy->mt76);
420
421 return mt76_update_channel(phy->mt76);
422 }
423
424 static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
425 {
426 struct mt7615_dev *dev = mt7615_hw_dev(hw);
427 struct mt7615_phy *phy = mt7615_hw_phy(hw);
428 bool band = phy != &dev->phy;
429 int ret = 0;
430
431 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
432 IEEE80211_CONF_CHANGE_POWER)) {
433 #ifdef CONFIG_NL80211_TESTMODE
434 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
435 mt7615_mutex_acquire(dev);
436 mt76_testmode_reset(phy->mt76, false);
437 mt7615_mutex_release(dev);
438 }
439 #endif
440 ret = mt76_update_channel(phy->mt76);
441 }
442
443 mt7615_mutex_acquire(dev);
444
445 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
446 mt76_testmode_reset(phy->mt76, true);
447
448 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
449 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
450 else
451 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
452
453 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
454 }
455
456 mt7615_mutex_release(dev);
457
458 return ret;
459 }
460
461 static int
462 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
463 unsigned int link_id, u16 queue,
464 const struct ieee80211_tx_queue_params *params)
465 {
466 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
467 struct mt7615_dev *dev = mt7615_hw_dev(hw);
468 int err;
469
470 mt7615_mutex_acquire(dev);
471
472 queue = mt7615_lmac_mapping(dev, queue);
473 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
474 err = mt7615_mcu_set_wmm(dev, queue, params);
475
476 mt7615_mutex_release(dev);
477
478 return err;
479 }
480
481 static void mt7615_configure_filter(struct ieee80211_hw *hw,
482 unsigned int changed_flags,
483 unsigned int *total_flags,
484 u64 multicast)
485 {
486 struct mt7615_dev *dev = mt7615_hw_dev(hw);
487 struct mt7615_phy *phy = mt7615_hw_phy(hw);
488 bool band = phy != &dev->phy;
489
490 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
491 MT_WF_RFCR1_DROP_BF_POLL |
492 MT_WF_RFCR1_DROP_BA |
493 MT_WF_RFCR1_DROP_CFEND |
494 MT_WF_RFCR1_DROP_CFACK;
495 u32 flags = 0;
496
497 mt7615_mutex_acquire(dev);
498
499 #define MT76_FILTER(_flag, _hw) do { \
500 flags |= *total_flags & FIF_##_flag; \
501 phy->rxfilter &= ~(_hw); \
502 if (!mt76_testmode_enabled(phy->mt76)) \
503 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
504 } while (0)
505
506 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
507 MT_WF_RFCR_DROP_FRAME_REPORT |
508 MT_WF_RFCR_DROP_PROBEREQ |
509 MT_WF_RFCR_DROP_MCAST_FILTERED |
510 MT_WF_RFCR_DROP_MCAST |
511 MT_WF_RFCR_DROP_BCAST |
512 MT_WF_RFCR_DROP_DUPLICATE |
513 MT_WF_RFCR_DROP_A2_BSSID |
514 MT_WF_RFCR_DROP_UNWANTED_CTL |
515 MT_WF_RFCR_DROP_STBC_MULTI);
516
517 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
518 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
519
520 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
521 MT_WF_RFCR_DROP_A3_MAC |
522 MT_WF_RFCR_DROP_A3_BSSID);
523
524 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
525
526 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
527 MT_WF_RFCR_DROP_RTS |
528 MT_WF_RFCR_DROP_CTL_RSV |
529 MT_WF_RFCR_DROP_NDPA);
530
531 *total_flags = flags;
532 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
533
534 if (*total_flags & FIF_CONTROL)
535 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
536 else
537 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
538
539 mt7615_mutex_release(dev);
540 }
541
542 static void
543 mt7615_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
544 struct ieee80211_bss_conf *info)
545 {
546 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
547 struct mt7615_dev *dev = mt7615_hw_dev(hw);
548 u8 i, band = mvif->mt76.band_idx;
549 u32 *mu;
550
551 mu = (u32 *)info->mu_group.membership;
552 for (i = 0; i < WLAN_MEMBERSHIP_LEN / sizeof(*mu); i++) {
553 if (is_mt7663(&dev->mt76))
554 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
555 else
556 mt76_wr(dev, MT_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
557 }
558
559 mu = (u32 *)info->mu_group.position;
560 for (i = 0; i < WLAN_USER_POSITION_LEN / sizeof(*mu); i++) {
561 if (is_mt7663(&dev->mt76))
562 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_POS(band, i), mu[i]);
563 else
564 mt76_wr(dev, MT_WF_PHY_GID_TAB_POS(band, i), mu[i]);
565 }
566 }
567
568 static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
569 struct ieee80211_vif *vif,
570 struct ieee80211_bss_conf *info,
571 u64 changed)
572 {
573 struct mt7615_dev *dev = mt7615_hw_dev(hw);
574 struct mt7615_phy *phy = mt7615_hw_phy(hw);
575
576 mt7615_mutex_acquire(dev);
577
578 if (changed & BSS_CHANGED_ERP_SLOT) {
579 int slottime = info->use_short_slot ? 9 : 20;
580
581 if (slottime != phy->slottime) {
582 phy->slottime = slottime;
583 mt7615_mac_set_timing(phy);
584 }
585 }
586
587 if (changed & BSS_CHANGED_ERP_CTS_PROT)
588 mt7615_mac_enable_rtscts(dev, vif, info->use_cts_prot);
589
590 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
591 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
592 mt7615_mcu_sta_add(phy, vif, NULL, true);
593
594 if (mt7615_firmware_offload(dev) && vif->p2p)
595 mt76_connac_mcu_set_p2p_oppps(hw, vif);
596 }
597
598 if (changed & (BSS_CHANGED_BEACON |
599 BSS_CHANGED_BEACON_ENABLED))
600 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
601
602 if (changed & BSS_CHANGED_PS)
603 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
604
605 if ((changed & BSS_CHANGED_ARP_FILTER) &&
606 mt7615_firmware_offload(dev)) {
607 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
608
609 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
610 info);
611 }
612
613 if (changed & BSS_CHANGED_ASSOC)
614 mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc);
615
616 if (changed & BSS_CHANGED_MU_GROUPS)
617 mt7615_update_mu_group(hw, vif, info);
618
619 mt7615_mutex_release(dev);
620 }
621
622 static void
623 mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
624 struct ieee80211_vif *vif,
625 struct cfg80211_chan_def *chandef)
626 {
627 struct mt7615_dev *dev = mt7615_hw_dev(hw);
628
629 mt7615_mutex_acquire(dev);
630 mt7615_mcu_add_beacon(dev, hw, vif, true);
631 mt7615_mutex_release(dev);
632 }
633
634 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
635 struct ieee80211_sta *sta)
636 {
637 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
638 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
639 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
640 struct mt7615_phy *phy;
641 int idx, err;
642
643 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
644 if (idx < 0)
645 return -ENOSPC;
646
647 INIT_LIST_HEAD(&msta->wcid.poll_list);
648 msta->vif = mvif;
649 msta->wcid.sta = 1;
650 msta->wcid.idx = idx;
651 msta->wcid.phy_idx = mvif->mt76.band_idx;
652
653 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
654 err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
655 if (err)
656 return err;
657
658 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
659 err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
660 if (err)
661 return err;
662 }
663
664 mt7615_mac_wtbl_update(dev, idx,
665 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
666 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
667 if (err)
668 return err;
669
670 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
671
672 return err;
673 }
674 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
675
676 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
677 struct ieee80211_sta *sta)
678 {
679 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
680 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
681 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
682 struct mt7615_phy *phy;
683
684 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
685
686 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
687 mt76_connac_pm_wake(phy->mt76, &dev->pm);
688
689 mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
690 mt7615_mac_wtbl_update(dev, msta->wcid.idx,
691 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
692 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
693 mt7615_mcu_add_bss_info(phy, vif, sta, false);
694
695 spin_lock_bh(&mdev->sta_poll_lock);
696 if (!list_empty(&msta->wcid.poll_list))
697 list_del_init(&msta->wcid.poll_list);
698 spin_unlock_bh(&mdev->sta_poll_lock);
699
700 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
701 }
702 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
703
704 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
705 struct ieee80211_vif *vif,
706 struct ieee80211_sta *sta)
707 {
708 struct mt7615_dev *dev = mt7615_hw_dev(hw);
709 struct mt7615_phy *phy = mt7615_hw_phy(hw);
710 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
711 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
712 int i;
713
714 if (!sta_rates)
715 return;
716
717 spin_lock_bh(&dev->mt76.lock);
718 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
719 msta->rates[i].idx = sta_rates->rate[i].idx;
720 msta->rates[i].count = sta_rates->rate[i].count;
721 msta->rates[i].flags = sta_rates->rate[i].flags;
722
723 if (msta->rates[i].idx < 0 || !msta->rates[i].count)
724 break;
725 }
726 msta->n_rates = i;
727 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
728 mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
729 mt76_connac_pm_unref(phy->mt76, &dev->pm);
730 }
731 spin_unlock_bh(&dev->mt76.lock);
732 }
733
734 void mt7615_tx_worker(struct mt76_worker *w)
735 {
736 struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
737 mt76.tx_worker);
738
739 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
740 queue_work(dev->mt76.wq, &dev->pm.wake_work);
741 return;
742 }
743
744 mt76_tx_worker_run(&dev->mt76);
745 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
746 }
747
748 static void mt7615_tx(struct ieee80211_hw *hw,
749 struct ieee80211_tx_control *control,
750 struct sk_buff *skb)
751 {
752 struct mt7615_dev *dev = mt7615_hw_dev(hw);
753 struct mt76_phy *mphy = hw->priv;
754 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
755 struct ieee80211_vif *vif = info->control.vif;
756 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
757 struct mt7615_sta *msta = NULL;
758 int qid;
759
760 if (control->sta) {
761 msta = (struct mt7615_sta *)control->sta->drv_priv;
762 wcid = &msta->wcid;
763 }
764
765 if (vif && !control->sta) {
766 struct mt7615_vif *mvif;
767
768 mvif = (struct mt7615_vif *)vif->drv_priv;
769 msta = &mvif->sta;
770 wcid = &msta->wcid;
771 }
772
773 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
774 mt76_tx(mphy, control->sta, wcid, skb);
775 mt76_connac_pm_unref(mphy, &dev->pm);
776 return;
777 }
778
779 qid = skb_get_queue_mapping(skb);
780 if (qid >= MT_TXQ_PSD) {
781 qid = IEEE80211_AC_BE;
782 skb_set_queue_mapping(skb, qid);
783 }
784
785 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
786 }
787
788 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
789 {
790 struct mt7615_dev *dev = mt7615_hw_dev(hw);
791 struct mt7615_phy *phy = mt7615_hw_phy(hw);
792 int err, band = phy != &dev->phy;
793
794 mt7615_mutex_acquire(dev);
795 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
796 mt7615_mutex_release(dev);
797
798 return err;
799 }
800
801 static int
802 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
803 struct ieee80211_ampdu_params *params)
804 {
805 enum ieee80211_ampdu_mlme_action action = params->action;
806 struct mt7615_dev *dev = mt7615_hw_dev(hw);
807 struct ieee80211_sta *sta = params->sta;
808 struct ieee80211_txq *txq = sta->txq[params->tid];
809 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
810 u16 tid = params->tid;
811 u16 ssn = params->ssn;
812 struct mt76_txq *mtxq;
813 int ret = 0;
814
815 if (!txq)
816 return -EINVAL;
817
818 mtxq = (struct mt76_txq *)txq->drv_priv;
819
820 mt7615_mutex_acquire(dev);
821
822 switch (action) {
823 case IEEE80211_AMPDU_RX_START:
824 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
825 params->buf_size);
826 ret = mt7615_mcu_add_rx_ba(dev, params, true);
827 break;
828 case IEEE80211_AMPDU_RX_STOP:
829 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
830 ret = mt7615_mcu_add_rx_ba(dev, params, false);
831 break;
832 case IEEE80211_AMPDU_TX_OPERATIONAL:
833 mtxq->aggr = true;
834 mtxq->send_bar = false;
835 ret = mt7615_mcu_add_tx_ba(dev, params, true);
836 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
837 ieee80211_send_bar(vif, sta->addr, tid,
838 IEEE80211_SN_TO_SEQ(ssn));
839 break;
840 case IEEE80211_AMPDU_TX_STOP_FLUSH:
841 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
842 mtxq->aggr = false;
843 ret = mt7615_mcu_add_tx_ba(dev, params, false);
844 break;
845 case IEEE80211_AMPDU_TX_START:
846 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
847 params->ssn = ssn;
848 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
849 break;
850 case IEEE80211_AMPDU_TX_STOP_CONT:
851 mtxq->aggr = false;
852 ret = mt7615_mcu_add_tx_ba(dev, params, false);
853 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
854 break;
855 }
856 mt7615_mutex_release(dev);
857
858 return ret;
859 }
860
861 static int
862 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
863 struct ieee80211_sta *sta)
864 {
865 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
866 IEEE80211_STA_NONE);
867 }
868
869 static int
870 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
871 struct ieee80211_sta *sta)
872 {
873 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
874 IEEE80211_STA_NOTEXIST);
875 }
876
877 static int
878 mt7615_get_stats(struct ieee80211_hw *hw,
879 struct ieee80211_low_level_stats *stats)
880 {
881 struct mt7615_phy *phy = mt7615_hw_phy(hw);
882 struct mib_stats *mib = &phy->mib;
883
884 mt7615_mutex_acquire(phy->dev);
885
886 stats->dot11RTSSuccessCount = mib->rts_cnt;
887 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
888 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
889 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
890
891 mt7615_mutex_release(phy->dev);
892
893 return 0;
894 }
895
896 static u64
897 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
898 {
899 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
900 struct mt7615_dev *dev = mt7615_hw_dev(hw);
901 union {
902 u64 t64;
903 u32 t32[2];
904 } tsf;
905 u16 idx = mvif->mt76.omac_idx;
906 u32 reg;
907
908 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
909 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
910
911 mt7615_mutex_acquire(dev);
912
913 /* TSF read */
914 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
915 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
916 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
917
918 mt7615_mutex_release(dev);
919
920 return tsf.t64;
921 }
922
923 static void
924 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
925 u64 timestamp)
926 {
927 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
928 struct mt7615_dev *dev = mt7615_hw_dev(hw);
929 union {
930 u64 t64;
931 u32 t32[2];
932 } tsf = { .t64 = timestamp, };
933 u16 idx = mvif->mt76.omac_idx;
934 u32 reg;
935
936 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
937 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
938
939 mt7615_mutex_acquire(dev);
940
941 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
942 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
943 /* TSF software overwrite */
944 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
945
946 mt7615_mutex_release(dev);
947 }
948
949 static void
950 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
951 s64 timestamp)
952 {
953 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
954 struct mt7615_dev *dev = mt7615_hw_dev(hw);
955 union {
956 u64 t64;
957 u32 t32[2];
958 } tsf = { .t64 = timestamp, };
959 u16 idx = mvif->mt76.omac_idx;
960 u32 reg;
961
962 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
963 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
964
965 mt7615_mutex_acquire(dev);
966
967 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
968 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
969 /* TSF software adjust*/
970 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
971
972 mt7615_mutex_release(dev);
973 }
974
975 static void
976 mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
977 {
978 struct mt7615_phy *phy = mt7615_hw_phy(hw);
979 struct mt7615_dev *dev = phy->dev;
980
981 mt7615_mutex_acquire(dev);
982 phy->coverage_class = max_t(s16, coverage_class, 0);
983 mt7615_mac_set_timing(phy);
984 mt7615_mutex_release(dev);
985 }
986
987 static int
988 mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
989 {
990 struct mt7615_dev *dev = mt7615_hw_dev(hw);
991 struct mt7615_phy *phy = mt7615_hw_phy(hw);
992 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
993 bool ext_phy = phy != &dev->phy;
994
995 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
996 return -EINVAL;
997
998 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
999 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1000
1001 mt7615_mutex_acquire(dev);
1002
1003 phy->mt76->antenna_mask = tx_ant;
1004 if (ext_phy) {
1005 if (dev->chainmask == 0xf)
1006 tx_ant <<= 2;
1007 else
1008 tx_ant <<= 1;
1009 }
1010 phy->mt76->chainmask = tx_ant;
1011
1012 mt76_set_stream_caps(phy->mt76, true);
1013
1014 mt7615_mutex_release(dev);
1015
1016 return 0;
1017 }
1018
1019 static void mt7615_roc_iter(void *priv, u8 *mac,
1020 struct ieee80211_vif *vif)
1021 {
1022 struct mt7615_phy *phy = priv;
1023
1024 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1025 }
1026
1027 void mt7615_roc_work(struct work_struct *work)
1028 {
1029 struct mt7615_phy *phy;
1030
1031 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1032 roc_work);
1033
1034 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1035 return;
1036
1037 mt7615_mutex_acquire(phy->dev);
1038 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1039 IEEE80211_IFACE_ITER_RESUME_ALL,
1040 mt7615_roc_iter, phy);
1041 mt7615_mutex_release(phy->dev);
1042 ieee80211_remain_on_channel_expired(phy->mt76->hw);
1043 }
1044
1045 void mt7615_roc_timer(struct timer_list *timer)
1046 {
1047 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer);
1048
1049 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1050 }
1051
1052 void mt7615_scan_work(struct work_struct *work)
1053 {
1054 struct mt7615_phy *phy;
1055
1056 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1057 scan_work.work);
1058
1059 while (true) {
1060 struct mt7615_mcu_rxd *rxd;
1061 struct sk_buff *skb;
1062
1063 spin_lock_bh(&phy->dev->mt76.lock);
1064 skb = __skb_dequeue(&phy->scan_event_list);
1065 spin_unlock_bh(&phy->dev->mt76.lock);
1066
1067 if (!skb)
1068 break;
1069
1070 rxd = (struct mt7615_mcu_rxd *)skb->data;
1071 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1072 ieee80211_sched_scan_results(phy->mt76->hw);
1073 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1074 &phy->mt76->state)) {
1075 struct cfg80211_scan_info info = {
1076 .aborted = false,
1077 };
1078
1079 ieee80211_scan_completed(phy->mt76->hw, &info);
1080 }
1081 dev_kfree_skb(skb);
1082 }
1083 }
1084
1085 static int
1086 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1087 struct ieee80211_scan_request *req)
1088 {
1089 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1090 struct mt76_phy *mphy = hw->priv;
1091 int err;
1092
1093 /* fall-back to sw-scan */
1094 if (!mt7615_firmware_offload(dev))
1095 return 1;
1096
1097 mt7615_mutex_acquire(dev);
1098 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1099 mt7615_mutex_release(dev);
1100
1101 return err;
1102 }
1103
1104 static void
1105 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1106 {
1107 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1108 struct mt76_phy *mphy = hw->priv;
1109
1110 mt7615_mutex_acquire(dev);
1111 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1112 mt7615_mutex_release(dev);
1113 }
1114
1115 static int
1116 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1117 struct cfg80211_sched_scan_request *req,
1118 struct ieee80211_scan_ies *ies)
1119 {
1120 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1121 struct mt76_phy *mphy = hw->priv;
1122 int err;
1123
1124 if (!mt7615_firmware_offload(dev))
1125 return -EOPNOTSUPP;
1126
1127 mt7615_mutex_acquire(dev);
1128
1129 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1130 if (err < 0)
1131 goto out;
1132
1133 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1134 out:
1135 mt7615_mutex_release(dev);
1136
1137 return err;
1138 }
1139
1140 static int
1141 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1142 {
1143 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1144 struct mt76_phy *mphy = hw->priv;
1145 int err;
1146
1147 if (!mt7615_firmware_offload(dev))
1148 return -EOPNOTSUPP;
1149
1150 mt7615_mutex_acquire(dev);
1151 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1152 mt7615_mutex_release(dev);
1153
1154 return err;
1155 }
1156
1157 static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1158 struct ieee80211_vif *vif,
1159 struct ieee80211_channel *chan,
1160 int duration,
1161 enum ieee80211_roc_type type)
1162 {
1163 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1164 int err;
1165
1166 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1167 return 0;
1168
1169 mt7615_mutex_acquire(phy->dev);
1170
1171 err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1172 if (err < 0) {
1173 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1174 goto out;
1175 }
1176
1177 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1178 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1179 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1180 err = -ETIMEDOUT;
1181 }
1182
1183 out:
1184 mt7615_mutex_release(phy->dev);
1185
1186 return err;
1187 }
1188
1189 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1190 struct ieee80211_vif *vif)
1191 {
1192 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1193 int err;
1194
1195 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1196 return 0;
1197
1198 del_timer_sync(&phy->roc_timer);
1199 cancel_work_sync(&phy->roc_work);
1200
1201 mt7615_mutex_acquire(phy->dev);
1202 err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1203 mt7615_mutex_release(phy->dev);
1204
1205 return err;
1206 }
1207
1208 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1209 struct ieee80211_vif *vif,
1210 struct ieee80211_sta *sta,
1211 bool enabled)
1212 {
1213 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1214 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1215
1216 mt7615_mutex_acquire(dev);
1217
1218 if (enabled)
1219 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1220 else
1221 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1222
1223 mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1224
1225 mt7615_mutex_release(dev);
1226 }
1227
1228 #ifdef CONFIG_PM
1229 static int mt7615_suspend(struct ieee80211_hw *hw,
1230 struct cfg80211_wowlan *wowlan)
1231 {
1232 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1233 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1234 int err = 0;
1235
1236 cancel_delayed_work_sync(&dev->pm.ps_work);
1237 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1238
1239 mt7615_mutex_acquire(dev);
1240
1241 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1242 cancel_delayed_work_sync(&phy->scan_work);
1243 cancel_delayed_work_sync(&phy->mt76->mac_work);
1244
1245 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1246 ieee80211_iterate_active_interfaces(hw,
1247 IEEE80211_IFACE_ITER_RESUME_ALL,
1248 mt76_connac_mcu_set_suspend_iter,
1249 phy->mt76);
1250
1251 if (!mt7615_dev_running(dev))
1252 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true);
1253
1254 mt7615_mutex_release(dev);
1255
1256 return err;
1257 }
1258
1259 static int mt7615_resume(struct ieee80211_hw *hw)
1260 {
1261 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1262 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1263 unsigned long timeout;
1264 bool running;
1265
1266 mt7615_mutex_acquire(dev);
1267
1268 running = mt7615_dev_running(dev);
1269 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1270
1271 if (!running) {
1272 int err;
1273
1274 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false);
1275 if (err < 0) {
1276 mt7615_mutex_release(dev);
1277 return err;
1278 }
1279 }
1280
1281 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1282 ieee80211_iterate_active_interfaces(hw,
1283 IEEE80211_IFACE_ITER_RESUME_ALL,
1284 mt76_connac_mcu_set_suspend_iter,
1285 phy->mt76);
1286
1287 timeout = mt7615_get_macwork_timeout(dev);
1288 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1289
1290 mt7615_mutex_release(dev);
1291
1292 return 0;
1293 }
1294
1295 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1296 {
1297 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1298 struct mt76_dev *mdev = &dev->mt76;
1299
1300 device_set_wakeup_enable(mdev->dev, enabled);
1301 }
1302
1303 static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1304 struct ieee80211_vif *vif,
1305 struct cfg80211_gtk_rekey_data *data)
1306 {
1307 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1308
1309 mt7615_mutex_acquire(dev);
1310 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1311 mt7615_mutex_release(dev);
1312 }
1313 #endif /* CONFIG_PM */
1314
1315 const struct ieee80211_ops mt7615_ops = {
1316 .add_chanctx = ieee80211_emulate_add_chanctx,
1317 .remove_chanctx = ieee80211_emulate_remove_chanctx,
1318 .change_chanctx = ieee80211_emulate_change_chanctx,
1319 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1320 .tx = mt7615_tx,
1321 .start = mt7615_start,
1322 .stop = mt7615_stop,
1323 .add_interface = mt7615_add_interface,
1324 .remove_interface = mt7615_remove_interface,
1325 .config = mt7615_config,
1326 .conf_tx = mt7615_conf_tx,
1327 .configure_filter = mt7615_configure_filter,
1328 .bss_info_changed = mt7615_bss_info_changed,
1329 .sta_add = mt7615_sta_add,
1330 .sta_remove = mt7615_sta_remove,
1331 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1332 .set_key = mt7615_set_key,
1333 .sta_set_decap_offload = mt7615_sta_set_decap_offload,
1334 .ampdu_action = mt7615_ampdu_action,
1335 .set_rts_threshold = mt7615_set_rts_threshold,
1336 .wake_tx_queue = mt76_wake_tx_queue,
1337 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1338 .sw_scan_start = mt76_sw_scan,
1339 .sw_scan_complete = mt76_sw_scan_complete,
1340 .release_buffered_frames = mt76_release_buffered_frames,
1341 .get_txpower = mt76_get_txpower,
1342 .channel_switch_beacon = mt7615_channel_switch_beacon,
1343 .get_stats = mt7615_get_stats,
1344 .get_tsf = mt7615_get_tsf,
1345 .set_tsf = mt7615_set_tsf,
1346 .offset_tsf = mt7615_offset_tsf,
1347 .get_survey = mt76_get_survey,
1348 .get_antenna = mt76_get_antenna,
1349 .set_antenna = mt7615_set_antenna,
1350 .set_coverage_class = mt7615_set_coverage_class,
1351 .hw_scan = mt7615_hw_scan,
1352 .cancel_hw_scan = mt7615_cancel_hw_scan,
1353 .sched_scan_start = mt7615_start_sched_scan,
1354 .sched_scan_stop = mt7615_stop_sched_scan,
1355 .remain_on_channel = mt7615_remain_on_channel,
1356 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1357 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1358 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1359 #ifdef CONFIG_PM
1360 .suspend = mt7615_suspend,
1361 .resume = mt7615_resume,
1362 .set_wakeup = mt7615_set_wakeup,
1363 .set_rekey_data = mt7615_set_rekey_data,
1364 #endif /* CONFIG_PM */
1365 .set_sar_specs = mt7615_set_sar_specs,
1366 };
1367 EXPORT_SYMBOL_GPL(mt7615_ops);
1368
1369 MODULE_DESCRIPTION("MediaTek MT7615E and MT7663E wireless driver");
1370 MODULE_LICENSE("Dual BSD/GPL");
Kernel DRM miscellaneous fixes and cross-tree changes