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(dev);
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 if (type != NL80211_IFTYPE_STATION)
145 break;
146
147 /* next, try to find a free repeater entry for the sta */
148 i = get_free_idx(mask >> REPEATER_BSSID_START, 0,
149 REPEATER_BSSID_MAX - REPEATER_BSSID_START);
150 if (i)
151 return i + 32 - 1;
152
153 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
154 if (i)
155 return i - 1;
156
157 if (~mask & BIT(HW_BSSID_0))
158 return HW_BSSID_0;
159
160 break;
161 case NL80211_IFTYPE_ADHOC:
162 case NL80211_IFTYPE_MESH_POINT:
163 case NL80211_IFTYPE_MONITOR:
164 case NL80211_IFTYPE_AP:
165 /* ap uses hw bssid 0 and ext bssid */
166 if (~mask & BIT(HW_BSSID_0))
167 return HW_BSSID_0;
168
169 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
170 if (i)
171 return i - 1;
172
173 break;
174 default:
175 WARN_ON(1);
176 break;
177 }
178
179 return -1;
180 }
181
mt7615_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)182 static int mt7615_add_interface(struct ieee80211_hw *hw,
183 struct ieee80211_vif *vif)
184 {
185 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
186 struct mt7615_dev *dev = mt7615_hw_dev(hw);
187 struct mt7615_phy *phy = mt7615_hw_phy(hw);
188 struct mt76_txq *mtxq;
189 bool ext_phy = phy != &dev->phy;
190 int idx, ret = 0;
191
192 mt7615_mutex_acquire(dev);
193
194 mt76_testmode_reset(phy->mt76, true);
195
196 if (vif->type == NL80211_IFTYPE_MONITOR &&
197 is_zero_ether_addr(vif->addr))
198 phy->monitor_vif = vif;
199
200 mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1;
201 if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) {
202 ret = -ENOSPC;
203 goto out;
204 }
205
206 idx = get_omac_idx(vif->type, dev->omac_mask);
207 if (idx < 0) {
208 ret = -ENOSPC;
209 goto out;
210 }
211 mvif->mt76.omac_idx = idx;
212
213 mvif->mt76.band_idx = ext_phy;
214 if (mt7615_ext_phy(dev))
215 mvif->mt76.wmm_idx = ext_phy * (MT7615_MAX_WMM_SETS / 2) +
216 mvif->mt76.idx % (MT7615_MAX_WMM_SETS / 2);
217 else
218 mvif->mt76.wmm_idx = mvif->mt76.idx % MT7615_MAX_WMM_SETS;
219
220 dev->mt76.vif_mask |= BIT(mvif->mt76.idx);
221 dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
222 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
223
224 ret = mt7615_mcu_set_dbdc(dev);
225 if (ret)
226 goto out;
227
228 idx = MT7615_WTBL_RESERVED - mvif->mt76.idx;
229
230 INIT_LIST_HEAD(&mvif->sta.poll_list);
231 mvif->sta.wcid.idx = idx;
232 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx;
233 mvif->sta.wcid.hw_key_idx = -1;
234 mt76_packet_id_init(&mvif->sta.wcid);
235
236 mt7615_mac_wtbl_update(dev, idx,
237 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
238
239 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
240 if (vif->txq) {
241 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
242 mtxq->wcid = &mvif->sta.wcid;
243 }
244
245 ret = mt7615_mcu_add_dev_info(phy, vif, true);
246 out:
247 mt7615_mutex_release(dev);
248
249 return ret;
250 }
251
mt7615_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)252 static void mt7615_remove_interface(struct ieee80211_hw *hw,
253 struct ieee80211_vif *vif)
254 {
255 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
256 struct mt7615_sta *msta = &mvif->sta;
257 struct mt7615_dev *dev = mt7615_hw_dev(hw);
258 struct mt7615_phy *phy = mt7615_hw_phy(hw);
259 int idx = msta->wcid.idx;
260
261 mt7615_mutex_acquire(dev);
262
263 mt7615_mcu_add_bss_info(phy, vif, NULL, false);
264 mt7615_mcu_sta_add(phy, vif, NULL, false);
265
266 mt76_testmode_reset(phy->mt76, true);
267 if (vif == phy->monitor_vif)
268 phy->monitor_vif = NULL;
269
270 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
271
272 mt7615_mcu_add_dev_info(phy, vif, false);
273
274 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
275
276 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx);
277 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
278 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
279
280 mt7615_mutex_release(dev);
281
282 spin_lock_bh(&dev->sta_poll_lock);
283 if (!list_empty(&msta->poll_list))
284 list_del_init(&msta->poll_list);
285 spin_unlock_bh(&dev->sta_poll_lock);
286
287 mt76_packet_id_flush(&dev->mt76, &mvif->sta.wcid);
288 }
289
mt7615_init_dfs_state(struct mt7615_phy * phy)290 static void mt7615_init_dfs_state(struct mt7615_phy *phy)
291 {
292 struct mt76_phy *mphy = phy->mt76;
293 struct ieee80211_hw *hw = mphy->hw;
294 struct cfg80211_chan_def *chandef = &hw->conf.chandef;
295
296 if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
297 return;
298
299 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
300 return;
301
302 if (mphy->chandef.chan->center_freq == chandef->chan->center_freq &&
303 mphy->chandef.width == chandef->width)
304 return;
305
306 phy->dfs_state = -1;
307 }
308
mt7615_set_channel(struct mt7615_phy * phy)309 int mt7615_set_channel(struct mt7615_phy *phy)
310 {
311 struct mt7615_dev *dev = phy->dev;
312 bool ext_phy = phy != &dev->phy;
313 int ret;
314
315 cancel_delayed_work_sync(&phy->mt76->mac_work);
316
317 mt7615_mutex_acquire(dev);
318
319 set_bit(MT76_RESET, &phy->mt76->state);
320
321 mt7615_init_dfs_state(phy);
322 mt76_set_channel(phy->mt76);
323
324 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
325 ret = mt7615_mcu_apply_rx_dcoc(phy);
326 if (ret)
327 goto out;
328
329 ret = mt7615_mcu_apply_tx_dpd(phy);
330 if (ret)
331 goto out;
332 }
333
334 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
335 if (ret)
336 goto out;
337
338 mt7615_mac_set_timing(phy);
339 ret = mt7615_dfs_init_radar_detector(phy);
340 if (ret)
341 goto out;
342
343 mt7615_mac_cca_stats_reset(phy);
344 ret = mt7615_mcu_set_sku_en(phy, true);
345 if (ret)
346 goto out;
347
348 mt7615_mac_reset_counters(dev);
349 phy->noise = 0;
350 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
351
352 out:
353 clear_bit(MT76_RESET, &phy->mt76->state);
354
355 mt7615_mutex_release(dev);
356
357 mt76_worker_schedule(&dev->mt76.tx_worker);
358 if (!mt76_testmode_enabled(phy->mt76)) {
359 unsigned long timeout = mt7615_get_macwork_timeout(dev);
360
361 ieee80211_queue_delayed_work(phy->mt76->hw,
362 &phy->mt76->mac_work, timeout);
363 }
364
365 return ret;
366 }
367
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)368 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
369 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
370 struct ieee80211_key_conf *key)
371 {
372 struct mt7615_dev *dev = mt7615_hw_dev(hw);
373 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
374 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
375 &mvif->sta;
376 struct mt76_wcid *wcid = &msta->wcid;
377 int idx = key->keyidx, err = 0;
378 u8 *wcid_keyidx = &wcid->hw_key_idx;
379
380 /* The hardware does not support per-STA RX GTK, fallback
381 * to software mode for these.
382 */
383 if ((vif->type == NL80211_IFTYPE_ADHOC ||
384 vif->type == NL80211_IFTYPE_MESH_POINT) &&
385 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
386 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
387 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
388 return -EOPNOTSUPP;
389
390 /* fall back to sw encryption for unsupported ciphers */
391 switch (key->cipher) {
392 case WLAN_CIPHER_SUITE_AES_CMAC:
393 wcid_keyidx = &wcid->hw_key_idx2;
394 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
395 break;
396 case WLAN_CIPHER_SUITE_TKIP:
397 case WLAN_CIPHER_SUITE_CCMP:
398 case WLAN_CIPHER_SUITE_CCMP_256:
399 case WLAN_CIPHER_SUITE_GCMP:
400 case WLAN_CIPHER_SUITE_GCMP_256:
401 case WLAN_CIPHER_SUITE_SMS4:
402 break;
403 case WLAN_CIPHER_SUITE_WEP40:
404 case WLAN_CIPHER_SUITE_WEP104:
405 default:
406 return -EOPNOTSUPP;
407 }
408
409 mt7615_mutex_acquire(dev);
410
411 if (cmd == SET_KEY)
412 *wcid_keyidx = idx;
413 else if (idx == *wcid_keyidx)
414 *wcid_keyidx = -1;
415 else
416 goto out;
417
418 mt76_wcid_key_setup(&dev->mt76, wcid,
419 cmd == SET_KEY ? key : NULL);
420
421 if (mt76_is_mmio(&dev->mt76))
422 err = mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
423 else
424 err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
425
426 out:
427 mt7615_mutex_release(dev);
428
429 return err;
430 }
431
mt7615_config(struct ieee80211_hw * hw,u32 changed)432 static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
433 {
434 struct mt7615_dev *dev = mt7615_hw_dev(hw);
435 struct mt7615_phy *phy = mt7615_hw_phy(hw);
436 bool band = phy != &dev->phy;
437 int ret = 0;
438
439 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
440 IEEE80211_CONF_CHANGE_POWER)) {
441 #ifdef CONFIG_NL80211_TESTMODE
442 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
443 mt7615_mutex_acquire(dev);
444 mt76_testmode_reset(phy->mt76, false);
445 mt7615_mutex_release(dev);
446 }
447 #endif
448 ieee80211_stop_queues(hw);
449 ret = mt7615_set_channel(phy);
450 ieee80211_wake_queues(hw);
451 }
452
453 mt7615_mutex_acquire(dev);
454
455 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
456 mt76_testmode_reset(phy->mt76, true);
457
458 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
459 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
460 else
461 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
462
463 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
464 }
465
466 mt7615_mutex_release(dev);
467
468 return ret;
469 }
470
471 static int
mt7615_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 queue,const struct ieee80211_tx_queue_params * params)472 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
473 const struct ieee80211_tx_queue_params *params)
474 {
475 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
476 struct mt7615_dev *dev = mt7615_hw_dev(hw);
477 int err;
478
479 mt7615_mutex_acquire(dev);
480
481 queue = mt7615_lmac_mapping(dev, queue);
482 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
483 err = mt7615_mcu_set_wmm(dev, queue, params);
484
485 mt7615_mutex_release(dev);
486
487 return err;
488 }
489
mt7615_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)490 static void mt7615_configure_filter(struct ieee80211_hw *hw,
491 unsigned int changed_flags,
492 unsigned int *total_flags,
493 u64 multicast)
494 {
495 struct mt7615_dev *dev = mt7615_hw_dev(hw);
496 struct mt7615_phy *phy = mt7615_hw_phy(hw);
497 bool band = phy != &dev->phy;
498
499 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
500 MT_WF_RFCR1_DROP_BF_POLL |
501 MT_WF_RFCR1_DROP_BA |
502 MT_WF_RFCR1_DROP_CFEND |
503 MT_WF_RFCR1_DROP_CFACK;
504 u32 flags = 0;
505
506 mt7615_mutex_acquire(dev);
507
508 #define MT76_FILTER(_flag, _hw) do { \
509 flags |= *total_flags & FIF_##_flag; \
510 phy->rxfilter &= ~(_hw); \
511 if (!mt76_testmode_enabled(phy->mt76)) \
512 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
513 } while (0)
514
515 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
516 MT_WF_RFCR_DROP_FRAME_REPORT |
517 MT_WF_RFCR_DROP_PROBEREQ |
518 MT_WF_RFCR_DROP_MCAST_FILTERED |
519 MT_WF_RFCR_DROP_MCAST |
520 MT_WF_RFCR_DROP_BCAST |
521 MT_WF_RFCR_DROP_DUPLICATE |
522 MT_WF_RFCR_DROP_A2_BSSID |
523 MT_WF_RFCR_DROP_UNWANTED_CTL |
524 MT_WF_RFCR_DROP_STBC_MULTI);
525
526 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
527 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
528
529 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
530 MT_WF_RFCR_DROP_A3_MAC |
531 MT_WF_RFCR_DROP_A3_BSSID);
532
533 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
534
535 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
536 MT_WF_RFCR_DROP_RTS |
537 MT_WF_RFCR_DROP_CTL_RSV |
538 MT_WF_RFCR_DROP_NDPA);
539
540 *total_flags = flags;
541 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
542
543 if (*total_flags & FIF_CONTROL)
544 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
545 else
546 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
547
548 mt7615_mutex_release(dev);
549 }
550
mt7615_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u32 changed)551 static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
552 struct ieee80211_vif *vif,
553 struct ieee80211_bss_conf *info,
554 u32 changed)
555 {
556 struct mt7615_dev *dev = mt7615_hw_dev(hw);
557 struct mt7615_phy *phy = mt7615_hw_phy(hw);
558
559 mt7615_mutex_acquire(dev);
560
561 if (changed & BSS_CHANGED_ERP_SLOT) {
562 int slottime = info->use_short_slot ? 9 : 20;
563
564 if (slottime != phy->slottime) {
565 phy->slottime = slottime;
566 mt7615_mac_set_timing(phy);
567 }
568 }
569
570 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
571 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
572 mt7615_mcu_sta_add(phy, vif, NULL, true);
573
574 if (mt7615_firmware_offload(dev) && vif->p2p)
575 mt76_connac_mcu_set_p2p_oppps(hw, vif);
576 }
577
578 if (changed & (BSS_CHANGED_BEACON |
579 BSS_CHANGED_BEACON_ENABLED))
580 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
581
582 if (changed & BSS_CHANGED_PS)
583 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
584
585 if ((changed & BSS_CHANGED_ARP_FILTER) &&
586 mt7615_firmware_offload(dev)) {
587 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
588
589 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
590 info);
591 }
592
593 if (changed & BSS_CHANGED_ASSOC)
594 mt7615_mac_set_beacon_filter(phy, vif, info->assoc);
595
596 mt7615_mutex_release(dev);
597 }
598
599 static void
mt7615_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)600 mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
601 struct ieee80211_vif *vif,
602 struct cfg80211_chan_def *chandef)
603 {
604 struct mt7615_dev *dev = mt7615_hw_dev(hw);
605
606 mt7615_mutex_acquire(dev);
607 mt7615_mcu_add_beacon(dev, hw, vif, true);
608 mt7615_mutex_release(dev);
609 }
610
mt7615_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)611 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
612 struct ieee80211_sta *sta)
613 {
614 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
615 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
616 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
617 struct mt7615_phy *phy;
618 int idx, err;
619
620 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
621 if (idx < 0)
622 return -ENOSPC;
623
624 INIT_LIST_HEAD(&msta->poll_list);
625 msta->vif = mvif;
626 msta->wcid.sta = 1;
627 msta->wcid.idx = idx;
628 msta->wcid.ext_phy = mvif->mt76.band_idx;
629
630 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
631 err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
632 if (err)
633 return err;
634
635 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
636 err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
637 if (err)
638 return err;
639 }
640
641 mt7615_mac_wtbl_update(dev, idx,
642 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
643 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
644 if (err)
645 return err;
646
647 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
648
649 return err;
650 }
651 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
652
mt7615_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)653 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
654 struct ieee80211_sta *sta)
655 {
656 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
657 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
658 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
659 struct mt7615_phy *phy;
660
661 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
662
663 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
664 mt76_connac_pm_wake(phy->mt76, &dev->pm);
665
666 mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
667 mt7615_mac_wtbl_update(dev, msta->wcid.idx,
668 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
669 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
670 mt7615_mcu_add_bss_info(phy, vif, sta, false);
671
672 spin_lock_bh(&dev->sta_poll_lock);
673 if (!list_empty(&msta->poll_list))
674 list_del_init(&msta->poll_list);
675 spin_unlock_bh(&dev->sta_poll_lock);
676
677 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
678 }
679 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
680
mt7615_sta_rate_tbl_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)681 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
682 struct ieee80211_vif *vif,
683 struct ieee80211_sta *sta)
684 {
685 struct mt7615_dev *dev = mt7615_hw_dev(hw);
686 struct mt7615_phy *phy = mt7615_hw_phy(hw);
687 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
688 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
689 int i;
690
691 spin_lock_bh(&dev->mt76.lock);
692 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
693 msta->rates[i].idx = sta_rates->rate[i].idx;
694 msta->rates[i].count = sta_rates->rate[i].count;
695 msta->rates[i].flags = sta_rates->rate[i].flags;
696
697 if (msta->rates[i].idx < 0 || !msta->rates[i].count)
698 break;
699 }
700 msta->n_rates = i;
701 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
702 mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
703 mt76_connac_pm_unref(phy->mt76, &dev->pm);
704 }
705 spin_unlock_bh(&dev->mt76.lock);
706 }
707
mt7615_tx_worker(struct mt76_worker * w)708 void mt7615_tx_worker(struct mt76_worker *w)
709 {
710 struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
711 mt76.tx_worker);
712
713 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
714 queue_work(dev->mt76.wq, &dev->pm.wake_work);
715 return;
716 }
717
718 mt76_tx_worker_run(&dev->mt76);
719 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
720 }
721
mt7615_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)722 static void mt7615_tx(struct ieee80211_hw *hw,
723 struct ieee80211_tx_control *control,
724 struct sk_buff *skb)
725 {
726 struct mt7615_dev *dev = mt7615_hw_dev(hw);
727 struct mt76_phy *mphy = hw->priv;
728 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
729 struct ieee80211_vif *vif = info->control.vif;
730 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
731 struct mt7615_sta *msta = NULL;
732 int qid;
733
734 if (control->sta) {
735 msta = (struct mt7615_sta *)control->sta->drv_priv;
736 wcid = &msta->wcid;
737 }
738
739 if (vif && !control->sta) {
740 struct mt7615_vif *mvif;
741
742 mvif = (struct mt7615_vif *)vif->drv_priv;
743 msta = &mvif->sta;
744 wcid = &msta->wcid;
745 }
746
747 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
748 mt76_tx(mphy, control->sta, wcid, skb);
749 mt76_connac_pm_unref(mphy, &dev->pm);
750 return;
751 }
752
753 qid = skb_get_queue_mapping(skb);
754 if (qid >= MT_TXQ_PSD) {
755 qid = IEEE80211_AC_BE;
756 skb_set_queue_mapping(skb, qid);
757 }
758
759 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
760 }
761
mt7615_set_rts_threshold(struct ieee80211_hw * hw,u32 val)762 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
763 {
764 struct mt7615_dev *dev = mt7615_hw_dev(hw);
765 struct mt7615_phy *phy = mt7615_hw_phy(hw);
766 int err, band = phy != &dev->phy;
767
768 mt7615_mutex_acquire(dev);
769 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
770 mt7615_mutex_release(dev);
771
772 return err;
773 }
774
775 static int
mt7615_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)776 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
777 struct ieee80211_ampdu_params *params)
778 {
779 enum ieee80211_ampdu_mlme_action action = params->action;
780 struct mt7615_dev *dev = mt7615_hw_dev(hw);
781 struct ieee80211_sta *sta = params->sta;
782 struct ieee80211_txq *txq = sta->txq[params->tid];
783 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
784 u16 tid = params->tid;
785 u16 ssn = params->ssn;
786 struct mt76_txq *mtxq;
787 int ret = 0;
788
789 if (!txq)
790 return -EINVAL;
791
792 mtxq = (struct mt76_txq *)txq->drv_priv;
793
794 mt7615_mutex_acquire(dev);
795
796 switch (action) {
797 case IEEE80211_AMPDU_RX_START:
798 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
799 params->buf_size);
800 ret = mt7615_mcu_add_rx_ba(dev, params, true);
801 break;
802 case IEEE80211_AMPDU_RX_STOP:
803 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
804 ret = mt7615_mcu_add_rx_ba(dev, params, false);
805 break;
806 case IEEE80211_AMPDU_TX_OPERATIONAL:
807 mtxq->aggr = true;
808 mtxq->send_bar = false;
809 ret = mt7615_mcu_add_tx_ba(dev, params, true);
810 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
811 ieee80211_send_bar(vif, sta->addr, tid,
812 IEEE80211_SN_TO_SEQ(ssn));
813 break;
814 case IEEE80211_AMPDU_TX_STOP_FLUSH:
815 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
816 mtxq->aggr = false;
817 ret = mt7615_mcu_add_tx_ba(dev, params, false);
818 break;
819 case IEEE80211_AMPDU_TX_START:
820 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
821 params->ssn = ssn;
822 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
823 break;
824 case IEEE80211_AMPDU_TX_STOP_CONT:
825 mtxq->aggr = false;
826 ret = mt7615_mcu_add_tx_ba(dev, params, false);
827 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
828 break;
829 }
830 mt7615_mutex_release(dev);
831
832 return ret;
833 }
834
835 static int
mt7615_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)836 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
837 struct ieee80211_sta *sta)
838 {
839 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
840 IEEE80211_STA_NONE);
841 }
842
843 static int
mt7615_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)844 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
845 struct ieee80211_sta *sta)
846 {
847 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
848 IEEE80211_STA_NOTEXIST);
849 }
850
851 static int
mt7615_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)852 mt7615_get_stats(struct ieee80211_hw *hw,
853 struct ieee80211_low_level_stats *stats)
854 {
855 struct mt7615_phy *phy = mt7615_hw_phy(hw);
856 struct mib_stats *mib = &phy->mib;
857
858 mt7615_mutex_acquire(phy->dev);
859
860 stats->dot11RTSSuccessCount = mib->rts_cnt;
861 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
862 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
863 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
864
865 mt7615_mutex_release(phy->dev);
866
867 return 0;
868 }
869
870 static u64
mt7615_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)871 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
872 {
873 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
874 struct mt7615_dev *dev = mt7615_hw_dev(hw);
875 union {
876 u64 t64;
877 u32 t32[2];
878 } tsf;
879 u16 idx = mvif->mt76.omac_idx;
880 u32 reg;
881
882 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
883 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
884
885 mt7615_mutex_acquire(dev);
886
887 /* TSF read */
888 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
889 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
890 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
891
892 mt7615_mutex_release(dev);
893
894 return tsf.t64;
895 }
896
897 static void
mt7615_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)898 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
899 u64 timestamp)
900 {
901 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
902 struct mt7615_dev *dev = mt7615_hw_dev(hw);
903 union {
904 u64 t64;
905 u32 t32[2];
906 } tsf = { .t64 = timestamp, };
907 u16 idx = mvif->mt76.omac_idx;
908 u32 reg;
909
910 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
911 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
912
913 mt7615_mutex_acquire(dev);
914
915 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
916 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
917 /* TSF software overwrite */
918 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
919
920 mt7615_mutex_release(dev);
921 }
922
923 static void
mt7615_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)924 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
925 s64 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 adjust*/
944 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
945
946 mt7615_mutex_release(dev);
947 }
948
949 static void
mt7615_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)950 mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
951 {
952 struct mt7615_phy *phy = mt7615_hw_phy(hw);
953 struct mt7615_dev *dev = phy->dev;
954
955 mt7615_mutex_acquire(dev);
956 phy->coverage_class = max_t(s16, coverage_class, 0);
957 mt7615_mac_set_timing(phy);
958 mt7615_mutex_release(dev);
959 }
960
961 static int
mt7615_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)962 mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
963 {
964 struct mt7615_dev *dev = mt7615_hw_dev(hw);
965 struct mt7615_phy *phy = mt7615_hw_phy(hw);
966 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
967 bool ext_phy = phy != &dev->phy;
968
969 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
970 return -EINVAL;
971
972 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
973 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
974
975 mt7615_mutex_acquire(dev);
976
977 phy->mt76->antenna_mask = tx_ant;
978 if (ext_phy) {
979 if (dev->chainmask == 0xf)
980 tx_ant <<= 2;
981 else
982 tx_ant <<= 1;
983 }
984 phy->mt76->chainmask = tx_ant;
985
986 mt76_set_stream_caps(phy->mt76, true);
987
988 mt7615_mutex_release(dev);
989
990 return 0;
991 }
992
mt7615_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)993 static void mt7615_roc_iter(void *priv, u8 *mac,
994 struct ieee80211_vif *vif)
995 {
996 struct mt7615_phy *phy = priv;
997
998 mt7615_mcu_set_roc(phy, vif, NULL, 0);
999 }
1000
mt7615_roc_work(struct work_struct * work)1001 void mt7615_roc_work(struct work_struct *work)
1002 {
1003 struct mt7615_phy *phy;
1004
1005 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1006 roc_work);
1007
1008 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1009 return;
1010
1011 mt7615_mutex_acquire(phy->dev);
1012 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1013 IEEE80211_IFACE_ITER_RESUME_ALL,
1014 mt7615_roc_iter, phy);
1015 mt7615_mutex_release(phy->dev);
1016 ieee80211_remain_on_channel_expired(phy->mt76->hw);
1017 }
1018
mt7615_roc_timer(struct timer_list * timer)1019 void mt7615_roc_timer(struct timer_list *timer)
1020 {
1021 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer);
1022
1023 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1024 }
1025
mt7615_scan_work(struct work_struct * work)1026 void mt7615_scan_work(struct work_struct *work)
1027 {
1028 struct mt7615_phy *phy;
1029
1030 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1031 scan_work.work);
1032
1033 while (true) {
1034 struct mt7615_mcu_rxd *rxd;
1035 struct sk_buff *skb;
1036
1037 spin_lock_bh(&phy->dev->mt76.lock);
1038 skb = __skb_dequeue(&phy->scan_event_list);
1039 spin_unlock_bh(&phy->dev->mt76.lock);
1040
1041 if (!skb)
1042 break;
1043
1044 rxd = (struct mt7615_mcu_rxd *)skb->data;
1045 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1046 ieee80211_sched_scan_results(phy->mt76->hw);
1047 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1048 &phy->mt76->state)) {
1049 struct cfg80211_scan_info info = {
1050 .aborted = false,
1051 };
1052
1053 ieee80211_scan_completed(phy->mt76->hw, &info);
1054 }
1055 dev_kfree_skb(skb);
1056 }
1057 }
1058
1059 static int
mt7615_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1060 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1061 struct ieee80211_scan_request *req)
1062 {
1063 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1064 struct mt76_phy *mphy = hw->priv;
1065 int err;
1066
1067 /* fall-back to sw-scan */
1068 if (!mt7615_firmware_offload(dev))
1069 return 1;
1070
1071 mt7615_mutex_acquire(dev);
1072 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1073 mt7615_mutex_release(dev);
1074
1075 return err;
1076 }
1077
1078 static void
mt7615_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1079 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1080 {
1081 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1082 struct mt76_phy *mphy = hw->priv;
1083
1084 mt7615_mutex_acquire(dev);
1085 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1086 mt7615_mutex_release(dev);
1087 }
1088
1089 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)1090 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1091 struct cfg80211_sched_scan_request *req,
1092 struct ieee80211_scan_ies *ies)
1093 {
1094 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1095 struct mt76_phy *mphy = hw->priv;
1096 int err;
1097
1098 if (!mt7615_firmware_offload(dev))
1099 return -EOPNOTSUPP;
1100
1101 mt7615_mutex_acquire(dev);
1102
1103 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1104 if (err < 0)
1105 goto out;
1106
1107 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1108 out:
1109 mt7615_mutex_release(dev);
1110
1111 return err;
1112 }
1113
1114 static int
mt7615_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1115 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1116 {
1117 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1118 struct mt76_phy *mphy = hw->priv;
1119 int err;
1120
1121 if (!mt7615_firmware_offload(dev))
1122 return -EOPNOTSUPP;
1123
1124 mt7615_mutex_acquire(dev);
1125 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1126 mt7615_mutex_release(dev);
1127
1128 return err;
1129 }
1130
mt7615_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)1131 static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1132 struct ieee80211_vif *vif,
1133 struct ieee80211_channel *chan,
1134 int duration,
1135 enum ieee80211_roc_type type)
1136 {
1137 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1138 int err;
1139
1140 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1141 return 0;
1142
1143 mt7615_mutex_acquire(phy->dev);
1144
1145 err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1146 if (err < 0) {
1147 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1148 goto out;
1149 }
1150
1151 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1152 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1153 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1154 err = -ETIMEDOUT;
1155 }
1156
1157 out:
1158 mt7615_mutex_release(phy->dev);
1159
1160 return err;
1161 }
1162
mt7615_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1163 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1164 struct ieee80211_vif *vif)
1165 {
1166 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1167 int err;
1168
1169 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1170 return 0;
1171
1172 del_timer_sync(&phy->roc_timer);
1173 cancel_work_sync(&phy->roc_work);
1174
1175 mt7615_mutex_acquire(phy->dev);
1176 err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1177 mt7615_mutex_release(phy->dev);
1178
1179 return err;
1180 }
1181
mt7615_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1182 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1183 struct ieee80211_vif *vif,
1184 struct ieee80211_sta *sta,
1185 bool enabled)
1186 {
1187 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1188 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1189
1190 if (enabled)
1191 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1192 else
1193 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1194
1195 mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1196 }
1197
1198 #ifdef CONFIG_PM
mt7615_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1199 static int mt7615_suspend(struct ieee80211_hw *hw,
1200 struct cfg80211_wowlan *wowlan)
1201 {
1202 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1203 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1204 int err = 0;
1205
1206 cancel_delayed_work_sync(&dev->pm.ps_work);
1207 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1208
1209 mt7615_mutex_acquire(dev);
1210
1211 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1212 cancel_delayed_work_sync(&phy->scan_work);
1213 cancel_delayed_work_sync(&phy->mt76->mac_work);
1214
1215 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1216 ieee80211_iterate_active_interfaces(hw,
1217 IEEE80211_IFACE_ITER_RESUME_ALL,
1218 mt76_connac_mcu_set_suspend_iter,
1219 phy->mt76);
1220
1221 if (!mt7615_dev_running(dev))
1222 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true);
1223
1224 mt7615_mutex_release(dev);
1225
1226 return err;
1227 }
1228
mt7615_resume(struct ieee80211_hw * hw)1229 static int mt7615_resume(struct ieee80211_hw *hw)
1230 {
1231 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1232 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1233 unsigned long timeout;
1234 bool running;
1235
1236 mt7615_mutex_acquire(dev);
1237
1238 running = mt7615_dev_running(dev);
1239 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1240
1241 if (!running) {
1242 int err;
1243
1244 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false);
1245 if (err < 0) {
1246 mt7615_mutex_release(dev);
1247 return err;
1248 }
1249 }
1250
1251 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1252 ieee80211_iterate_active_interfaces(hw,
1253 IEEE80211_IFACE_ITER_RESUME_ALL,
1254 mt76_connac_mcu_set_suspend_iter,
1255 phy->mt76);
1256
1257 timeout = mt7615_get_macwork_timeout(dev);
1258 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1259
1260 mt7615_mutex_release(dev);
1261
1262 return 0;
1263 }
1264
mt7615_set_wakeup(struct ieee80211_hw * hw,bool enabled)1265 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1266 {
1267 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1268 struct mt76_dev *mdev = &dev->mt76;
1269
1270 device_set_wakeup_enable(mdev->dev, enabled);
1271 }
1272
mt7615_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1273 static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1274 struct ieee80211_vif *vif,
1275 struct cfg80211_gtk_rekey_data *data)
1276 {
1277 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1278
1279 mt7615_mutex_acquire(dev);
1280 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1281 mt7615_mutex_release(dev);
1282 }
1283 #endif /* CONFIG_PM */
1284
1285 const struct ieee80211_ops mt7615_ops = {
1286 .tx = mt7615_tx,
1287 .start = mt7615_start,
1288 .stop = mt7615_stop,
1289 .add_interface = mt7615_add_interface,
1290 .remove_interface = mt7615_remove_interface,
1291 .config = mt7615_config,
1292 .conf_tx = mt7615_conf_tx,
1293 .configure_filter = mt7615_configure_filter,
1294 .bss_info_changed = mt7615_bss_info_changed,
1295 .sta_add = mt7615_sta_add,
1296 .sta_remove = mt7615_sta_remove,
1297 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1298 .set_key = mt7615_set_key,
1299 .sta_set_decap_offload = mt7615_sta_set_decap_offload,
1300 .ampdu_action = mt7615_ampdu_action,
1301 .set_rts_threshold = mt7615_set_rts_threshold,
1302 .wake_tx_queue = mt76_wake_tx_queue,
1303 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1304 .sw_scan_start = mt76_sw_scan,
1305 .sw_scan_complete = mt76_sw_scan_complete,
1306 .release_buffered_frames = mt76_release_buffered_frames,
1307 .get_txpower = mt76_get_txpower,
1308 .channel_switch_beacon = mt7615_channel_switch_beacon,
1309 .get_stats = mt7615_get_stats,
1310 .get_tsf = mt7615_get_tsf,
1311 .set_tsf = mt7615_set_tsf,
1312 .offset_tsf = mt7615_offset_tsf,
1313 .get_survey = mt76_get_survey,
1314 .get_antenna = mt76_get_antenna,
1315 .set_antenna = mt7615_set_antenna,
1316 .set_coverage_class = mt7615_set_coverage_class,
1317 .hw_scan = mt7615_hw_scan,
1318 .cancel_hw_scan = mt7615_cancel_hw_scan,
1319 .sched_scan_start = mt7615_start_sched_scan,
1320 .sched_scan_stop = mt7615_stop_sched_scan,
1321 .remain_on_channel = mt7615_remain_on_channel,
1322 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1323 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1324 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1325 #ifdef CONFIG_PM
1326 .suspend = mt7615_suspend,
1327 .resume = mt7615_resume,
1328 .set_wakeup = mt7615_set_wakeup,
1329 .set_rekey_data = mt7615_set_rekey_data,
1330 #endif /* CONFIG_PM */
1331 };
1332 EXPORT_SYMBOL_GPL(mt7615_ops);
1333
1334 MODULE_LICENSE("Dual BSD/GPL");
1335