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_MESH_POINT:
139 case NL80211_IFTYPE_ADHOC:
140 case NL80211_IFTYPE_STATION:
141 /* prefer hw bssid slot 1-3 */
142 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
143 if (i)
144 return i - 1;
145
146 if (type != NL80211_IFTYPE_STATION)
147 break;
148
149 /* next, try to find a free repeater entry for the sta */
150 i = get_free_idx(mask >> REPEATER_BSSID_START, 0,
151 REPEATER_BSSID_MAX - REPEATER_BSSID_START);
152 if (i)
153 return i + 32 - 1;
154
155 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
156 if (i)
157 return i - 1;
158
159 if (~mask & BIT(HW_BSSID_0))
160 return HW_BSSID_0;
161
162 break;
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 mt7615_mac_wtbl_update(dev, idx,
235 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
236
237 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
238 if (vif->txq) {
239 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
240 mtxq->wcid = &mvif->sta.wcid;
241 }
242
243 ret = mt7615_mcu_add_dev_info(phy, vif, true);
244 out:
245 mt7615_mutex_release(dev);
246
247 return ret;
248 }
249
mt7615_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)250 static void mt7615_remove_interface(struct ieee80211_hw *hw,
251 struct ieee80211_vif *vif)
252 {
253 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
254 struct mt7615_sta *msta = &mvif->sta;
255 struct mt7615_dev *dev = mt7615_hw_dev(hw);
256 struct mt7615_phy *phy = mt7615_hw_phy(hw);
257 int idx = msta->wcid.idx;
258
259 mt7615_mutex_acquire(dev);
260
261 mt7615_mcu_add_bss_info(phy, vif, NULL, false);
262 mt7615_mcu_sta_add(phy, vif, NULL, false);
263
264 mt76_testmode_reset(phy->mt76, true);
265 if (vif == phy->monitor_vif)
266 phy->monitor_vif = NULL;
267
268 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
269
270 mt7615_mcu_add_dev_info(phy, vif, false);
271
272 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
273
274 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx);
275 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
276 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
277
278 mt7615_mutex_release(dev);
279
280 spin_lock_bh(&dev->sta_poll_lock);
281 if (!list_empty(&msta->poll_list))
282 list_del_init(&msta->poll_list);
283 spin_unlock_bh(&dev->sta_poll_lock);
284 }
285
mt7615_init_dfs_state(struct mt7615_phy * phy)286 static void mt7615_init_dfs_state(struct mt7615_phy *phy)
287 {
288 struct mt76_phy *mphy = phy->mt76;
289 struct ieee80211_hw *hw = mphy->hw;
290 struct cfg80211_chan_def *chandef = &hw->conf.chandef;
291
292 if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
293 return;
294
295 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
296 return;
297
298 if (mphy->chandef.chan->center_freq == chandef->chan->center_freq &&
299 mphy->chandef.width == chandef->width)
300 return;
301
302 phy->dfs_state = -1;
303 }
304
mt7615_set_channel(struct mt7615_phy * phy)305 int mt7615_set_channel(struct mt7615_phy *phy)
306 {
307 struct mt7615_dev *dev = phy->dev;
308 bool ext_phy = phy != &dev->phy;
309 int ret;
310
311 cancel_delayed_work_sync(&phy->mt76->mac_work);
312
313 mt7615_mutex_acquire(dev);
314
315 set_bit(MT76_RESET, &phy->mt76->state);
316
317 mt7615_init_dfs_state(phy);
318 mt76_set_channel(phy->mt76);
319
320 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
321 ret = mt7615_mcu_apply_rx_dcoc(phy);
322 if (ret)
323 goto out;
324
325 ret = mt7615_mcu_apply_tx_dpd(phy);
326 if (ret)
327 goto out;
328 }
329
330 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
331 if (ret)
332 goto out;
333
334 mt7615_mac_set_timing(phy);
335 ret = mt7615_dfs_init_radar_detector(phy);
336 if (ret)
337 goto out;
338
339 mt7615_mac_cca_stats_reset(phy);
340 ret = mt7615_mcu_set_sku_en(phy, true);
341 if (ret)
342 goto out;
343
344 mt7615_mac_reset_counters(dev);
345 phy->noise = 0;
346 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
347
348 out:
349 clear_bit(MT76_RESET, &phy->mt76->state);
350
351 mt7615_mutex_release(dev);
352
353 mt76_worker_schedule(&dev->mt76.tx_worker);
354 if (!mt76_testmode_enabled(phy->mt76)) {
355 unsigned long timeout = mt7615_get_macwork_timeout(dev);
356
357 ieee80211_queue_delayed_work(phy->mt76->hw,
358 &phy->mt76->mac_work, timeout);
359 }
360
361 return ret;
362 }
363
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)364 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
365 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
366 struct ieee80211_key_conf *key)
367 {
368 struct mt7615_dev *dev = mt7615_hw_dev(hw);
369 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
370 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
371 &mvif->sta;
372 struct mt76_wcid *wcid = &msta->wcid;
373 int idx = key->keyidx, err = 0;
374 u8 *wcid_keyidx = &wcid->hw_key_idx;
375
376 /* The hardware does not support per-STA RX GTK, fallback
377 * to software mode for these.
378 */
379 if ((vif->type == NL80211_IFTYPE_ADHOC ||
380 vif->type == NL80211_IFTYPE_MESH_POINT) &&
381 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
382 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
383 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
384 return -EOPNOTSUPP;
385
386 /* fall back to sw encryption for unsupported ciphers */
387 switch (key->cipher) {
388 case WLAN_CIPHER_SUITE_AES_CMAC:
389 wcid_keyidx = &wcid->hw_key_idx2;
390 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
391 break;
392 case WLAN_CIPHER_SUITE_TKIP:
393 case WLAN_CIPHER_SUITE_CCMP:
394 case WLAN_CIPHER_SUITE_CCMP_256:
395 case WLAN_CIPHER_SUITE_GCMP:
396 case WLAN_CIPHER_SUITE_GCMP_256:
397 case WLAN_CIPHER_SUITE_SMS4:
398 break;
399 case WLAN_CIPHER_SUITE_WEP40:
400 case WLAN_CIPHER_SUITE_WEP104:
401 default:
402 return -EOPNOTSUPP;
403 }
404
405 mt7615_mutex_acquire(dev);
406
407 if (cmd == SET_KEY)
408 *wcid_keyidx = idx;
409 else if (idx == *wcid_keyidx)
410 *wcid_keyidx = -1;
411 else
412 goto out;
413
414 mt76_wcid_key_setup(&dev->mt76, wcid,
415 cmd == SET_KEY ? key : NULL);
416
417 if (mt76_is_mmio(&dev->mt76))
418 err = mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
419 else
420 err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
421
422 out:
423 mt7615_mutex_release(dev);
424
425 return err;
426 }
427
mt7615_config(struct ieee80211_hw * hw,u32 changed)428 static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
429 {
430 struct mt7615_dev *dev = mt7615_hw_dev(hw);
431 struct mt7615_phy *phy = mt7615_hw_phy(hw);
432 bool band = phy != &dev->phy;
433 int ret = 0;
434
435 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
436 IEEE80211_CONF_CHANGE_POWER)) {
437 #ifdef CONFIG_NL80211_TESTMODE
438 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
439 mt7615_mutex_acquire(dev);
440 mt76_testmode_reset(phy->mt76, false);
441 mt7615_mutex_release(dev);
442 }
443 #endif
444 ieee80211_stop_queues(hw);
445 ret = mt7615_set_channel(phy);
446 ieee80211_wake_queues(hw);
447 }
448
449 mt7615_mutex_acquire(dev);
450
451 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
452 mt76_testmode_reset(phy->mt76, true);
453
454 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
455 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
456 else
457 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
458
459 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
460 }
461
462 mt7615_mutex_release(dev);
463
464 return ret;
465 }
466
467 static int
mt7615_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 queue,const struct ieee80211_tx_queue_params * params)468 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
469 const struct ieee80211_tx_queue_params *params)
470 {
471 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
472 struct mt7615_dev *dev = mt7615_hw_dev(hw);
473 int err;
474
475 mt7615_mutex_acquire(dev);
476
477 queue = mt7615_lmac_mapping(dev, queue);
478 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
479 err = mt7615_mcu_set_wmm(dev, queue, params);
480
481 mt7615_mutex_release(dev);
482
483 return err;
484 }
485
mt7615_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)486 static void mt7615_configure_filter(struct ieee80211_hw *hw,
487 unsigned int changed_flags,
488 unsigned int *total_flags,
489 u64 multicast)
490 {
491 struct mt7615_dev *dev = mt7615_hw_dev(hw);
492 struct mt7615_phy *phy = mt7615_hw_phy(hw);
493 bool band = phy != &dev->phy;
494
495 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
496 MT_WF_RFCR1_DROP_BF_POLL |
497 MT_WF_RFCR1_DROP_BA |
498 MT_WF_RFCR1_DROP_CFEND |
499 MT_WF_RFCR1_DROP_CFACK;
500 u32 flags = 0;
501
502 mt7615_mutex_acquire(dev);
503
504 #define MT76_FILTER(_flag, _hw) do { \
505 flags |= *total_flags & FIF_##_flag; \
506 phy->rxfilter &= ~(_hw); \
507 if (!mt76_testmode_enabled(phy->mt76)) \
508 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
509 } while (0)
510
511 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
512 MT_WF_RFCR_DROP_FRAME_REPORT |
513 MT_WF_RFCR_DROP_PROBEREQ |
514 MT_WF_RFCR_DROP_MCAST_FILTERED |
515 MT_WF_RFCR_DROP_MCAST |
516 MT_WF_RFCR_DROP_BCAST |
517 MT_WF_RFCR_DROP_DUPLICATE |
518 MT_WF_RFCR_DROP_A2_BSSID |
519 MT_WF_RFCR_DROP_UNWANTED_CTL |
520 MT_WF_RFCR_DROP_STBC_MULTI);
521
522 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
523 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
524
525 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
526 MT_WF_RFCR_DROP_A3_MAC |
527 MT_WF_RFCR_DROP_A3_BSSID);
528
529 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
530
531 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
532 MT_WF_RFCR_DROP_RTS |
533 MT_WF_RFCR_DROP_CTL_RSV |
534 MT_WF_RFCR_DROP_NDPA);
535
536 *total_flags = flags;
537 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
538
539 if (*total_flags & FIF_CONTROL)
540 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
541 else
542 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
543
544 mt7615_mutex_release(dev);
545 }
546
mt7615_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u32 changed)547 static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
548 struct ieee80211_vif *vif,
549 struct ieee80211_bss_conf *info,
550 u32 changed)
551 {
552 struct mt7615_dev *dev = mt7615_hw_dev(hw);
553 struct mt7615_phy *phy = mt7615_hw_phy(hw);
554
555 mt7615_mutex_acquire(dev);
556
557 if (changed & BSS_CHANGED_ERP_SLOT) {
558 int slottime = info->use_short_slot ? 9 : 20;
559
560 if (slottime != phy->slottime) {
561 phy->slottime = slottime;
562 mt7615_mac_set_timing(phy);
563 }
564 }
565
566 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
567 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
568 mt7615_mcu_sta_add(phy, vif, NULL, true);
569
570 if (vif->p2p)
571 mt7615_mcu_set_p2p_oppps(hw, vif);
572 }
573
574 if (changed & (BSS_CHANGED_BEACON |
575 BSS_CHANGED_BEACON_ENABLED))
576 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
577
578 if (changed & BSS_CHANGED_PS)
579 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
580
581 if ((changed & BSS_CHANGED_ARP_FILTER) &&
582 mt7615_firmware_offload(dev)) {
583 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
584
585 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
586 info);
587 }
588
589 if (changed & BSS_CHANGED_ASSOC)
590 mt7615_mac_set_beacon_filter(phy, vif, info->assoc);
591
592 mt7615_mutex_release(dev);
593 }
594
595 static void
mt7615_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)596 mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
597 struct ieee80211_vif *vif,
598 struct cfg80211_chan_def *chandef)
599 {
600 struct mt7615_dev *dev = mt7615_hw_dev(hw);
601
602 mt7615_mutex_acquire(dev);
603 mt7615_mcu_add_beacon(dev, hw, vif, true);
604 mt7615_mutex_release(dev);
605 }
606
mt7615_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)607 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
608 struct ieee80211_sta *sta)
609 {
610 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
611 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
612 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
613 struct mt7615_phy *phy;
614 int idx, err;
615
616 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
617 if (idx < 0)
618 return -ENOSPC;
619
620 INIT_LIST_HEAD(&msta->poll_list);
621 msta->vif = mvif;
622 msta->wcid.sta = 1;
623 msta->wcid.idx = idx;
624 msta->wcid.ext_phy = mvif->mt76.band_idx;
625
626 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
627 err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
628 if (err)
629 return err;
630
631 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
632 err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
633 if (err)
634 return err;
635 }
636
637 mt7615_mac_wtbl_update(dev, idx,
638 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
639 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
640 if (err)
641 return err;
642
643 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
644
645 return err;
646 }
647 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
648
mt7615_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)649 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
650 struct ieee80211_sta *sta)
651 {
652 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
653 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
654 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
655 struct mt7615_phy *phy;
656
657 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
658
659 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
660 mt76_connac_pm_wake(phy->mt76, &dev->pm);
661
662 mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
663 mt7615_mac_wtbl_update(dev, msta->wcid.idx,
664 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
665 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
666 mt7615_mcu_add_bss_info(phy, vif, sta, false);
667
668 spin_lock_bh(&dev->sta_poll_lock);
669 if (!list_empty(&msta->poll_list))
670 list_del_init(&msta->poll_list);
671 spin_unlock_bh(&dev->sta_poll_lock);
672
673 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
674 }
675 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
676
mt7615_sta_rate_tbl_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)677 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
678 struct ieee80211_vif *vif,
679 struct ieee80211_sta *sta)
680 {
681 struct mt7615_dev *dev = mt7615_hw_dev(hw);
682 struct mt7615_phy *phy = mt7615_hw_phy(hw);
683 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
684 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
685 int i;
686
687 spin_lock_bh(&dev->mt76.lock);
688 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
689 msta->rates[i].idx = sta_rates->rate[i].idx;
690 msta->rates[i].count = sta_rates->rate[i].count;
691 msta->rates[i].flags = sta_rates->rate[i].flags;
692
693 if (msta->rates[i].idx < 0 || !msta->rates[i].count)
694 break;
695 }
696 msta->n_rates = i;
697 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
698 mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
699 mt76_connac_pm_unref(phy->mt76, &dev->pm);
700 }
701 spin_unlock_bh(&dev->mt76.lock);
702 }
703
mt7615_tx_worker(struct mt76_worker * w)704 void mt7615_tx_worker(struct mt76_worker *w)
705 {
706 struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
707 mt76.tx_worker);
708
709 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
710 queue_work(dev->mt76.wq, &dev->pm.wake_work);
711 return;
712 }
713
714 mt76_tx_worker_run(&dev->mt76);
715 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
716 }
717
mt7615_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)718 static void mt7615_tx(struct ieee80211_hw *hw,
719 struct ieee80211_tx_control *control,
720 struct sk_buff *skb)
721 {
722 struct mt7615_dev *dev = mt7615_hw_dev(hw);
723 struct mt76_phy *mphy = hw->priv;
724 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
725 struct ieee80211_vif *vif = info->control.vif;
726 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
727 struct mt7615_sta *msta = NULL;
728 int qid;
729
730 if (control->sta) {
731 msta = (struct mt7615_sta *)control->sta->drv_priv;
732 wcid = &msta->wcid;
733 }
734
735 if (vif && !control->sta) {
736 struct mt7615_vif *mvif;
737
738 mvif = (struct mt7615_vif *)vif->drv_priv;
739 msta = &mvif->sta;
740 wcid = &msta->wcid;
741 }
742
743 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
744 mt76_tx(mphy, control->sta, wcid, skb);
745 mt76_connac_pm_unref(mphy, &dev->pm);
746 return;
747 }
748
749 qid = skb_get_queue_mapping(skb);
750 if (qid >= MT_TXQ_PSD) {
751 qid = IEEE80211_AC_BE;
752 skb_set_queue_mapping(skb, qid);
753 }
754
755 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
756 }
757
mt7615_set_rts_threshold(struct ieee80211_hw * hw,u32 val)758 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
759 {
760 struct mt7615_dev *dev = mt7615_hw_dev(hw);
761 struct mt7615_phy *phy = mt7615_hw_phy(hw);
762 int err, band = phy != &dev->phy;
763
764 mt7615_mutex_acquire(dev);
765 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
766 mt7615_mutex_release(dev);
767
768 return err;
769 }
770
771 static int
mt7615_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)772 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
773 struct ieee80211_ampdu_params *params)
774 {
775 enum ieee80211_ampdu_mlme_action action = params->action;
776 struct mt7615_dev *dev = mt7615_hw_dev(hw);
777 struct ieee80211_sta *sta = params->sta;
778 struct ieee80211_txq *txq = sta->txq[params->tid];
779 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
780 u16 tid = params->tid;
781 u16 ssn = params->ssn;
782 struct mt76_txq *mtxq;
783 int ret = 0;
784
785 if (!txq)
786 return -EINVAL;
787
788 mtxq = (struct mt76_txq *)txq->drv_priv;
789
790 mt7615_mutex_acquire(dev);
791
792 switch (action) {
793 case IEEE80211_AMPDU_RX_START:
794 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
795 params->buf_size);
796 ret = mt7615_mcu_add_rx_ba(dev, params, true);
797 break;
798 case IEEE80211_AMPDU_RX_STOP:
799 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
800 ret = mt7615_mcu_add_rx_ba(dev, params, false);
801 break;
802 case IEEE80211_AMPDU_TX_OPERATIONAL:
803 mtxq->aggr = true;
804 mtxq->send_bar = false;
805 ret = mt7615_mcu_add_tx_ba(dev, params, true);
806 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
807 ieee80211_send_bar(vif, sta->addr, tid,
808 IEEE80211_SN_TO_SEQ(ssn));
809 break;
810 case IEEE80211_AMPDU_TX_STOP_FLUSH:
811 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
812 mtxq->aggr = false;
813 ret = mt7615_mcu_add_tx_ba(dev, params, false);
814 break;
815 case IEEE80211_AMPDU_TX_START:
816 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
817 params->ssn = ssn;
818 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
819 break;
820 case IEEE80211_AMPDU_TX_STOP_CONT:
821 mtxq->aggr = false;
822 ret = mt7615_mcu_add_tx_ba(dev, params, false);
823 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
824 break;
825 }
826 mt7615_mutex_release(dev);
827
828 return ret;
829 }
830
831 static int
mt7615_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)832 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
833 struct ieee80211_sta *sta)
834 {
835 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
836 IEEE80211_STA_NONE);
837 }
838
839 static int
mt7615_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)840 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
841 struct ieee80211_sta *sta)
842 {
843 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
844 IEEE80211_STA_NOTEXIST);
845 }
846
847 static int
mt7615_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)848 mt7615_get_stats(struct ieee80211_hw *hw,
849 struct ieee80211_low_level_stats *stats)
850 {
851 struct mt7615_phy *phy = mt7615_hw_phy(hw);
852 struct mib_stats *mib = &phy->mib;
853
854 mt7615_mutex_acquire(phy->dev);
855
856 stats->dot11RTSSuccessCount = mib->rts_cnt;
857 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
858 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
859 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
860
861 memset(mib, 0, sizeof(*mib));
862
863 mt7615_mutex_release(phy->dev);
864
865 return 0;
866 }
867
868 static u64
mt7615_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)869 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
870 {
871 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
872 struct mt7615_dev *dev = mt7615_hw_dev(hw);
873 union {
874 u64 t64;
875 u32 t32[2];
876 } tsf;
877 u16 idx = mvif->mt76.omac_idx;
878 u32 reg;
879
880 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
881 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
882
883 mt7615_mutex_acquire(dev);
884
885 /* TSF read */
886 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
887 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
888 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
889
890 mt7615_mutex_release(dev);
891
892 return tsf.t64;
893 }
894
895 static void
mt7615_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)896 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
897 u64 timestamp)
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 = { .t64 = timestamp, };
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 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
914 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
915 /* TSF software overwrite */
916 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
917
918 mt7615_mutex_release(dev);
919 }
920
921 static void
mt7615_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)922 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
923 s64 timestamp)
924 {
925 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
926 struct mt7615_dev *dev = mt7615_hw_dev(hw);
927 union {
928 u64 t64;
929 u32 t32[2];
930 } tsf = { .t64 = timestamp, };
931 u16 idx = mvif->mt76.omac_idx;
932 u32 reg;
933
934 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
935 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
936
937 mt7615_mutex_acquire(dev);
938
939 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
940 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
941 /* TSF software adjust*/
942 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
943
944 mt7615_mutex_release(dev);
945 }
946
947 static void
mt7615_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)948 mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
949 {
950 struct mt7615_phy *phy = mt7615_hw_phy(hw);
951 struct mt7615_dev *dev = phy->dev;
952
953 mt7615_mutex_acquire(dev);
954 phy->coverage_class = max_t(s16, coverage_class, 0);
955 mt7615_mac_set_timing(phy);
956 mt7615_mutex_release(dev);
957 }
958
959 static int
mt7615_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)960 mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
961 {
962 struct mt7615_dev *dev = mt7615_hw_dev(hw);
963 struct mt7615_phy *phy = mt7615_hw_phy(hw);
964 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
965 bool ext_phy = phy != &dev->phy;
966
967 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
968 return -EINVAL;
969
970 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
971 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
972
973 mt7615_mutex_acquire(dev);
974
975 phy->mt76->antenna_mask = tx_ant;
976 if (ext_phy) {
977 if (dev->chainmask == 0xf)
978 tx_ant <<= 2;
979 else
980 tx_ant <<= 1;
981 }
982 phy->mt76->chainmask = tx_ant;
983
984 mt76_set_stream_caps(phy->mt76, true);
985
986 mt7615_mutex_release(dev);
987
988 return 0;
989 }
990
mt7615_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)991 static void mt7615_roc_iter(void *priv, u8 *mac,
992 struct ieee80211_vif *vif)
993 {
994 struct mt7615_phy *phy = priv;
995
996 mt7615_mcu_set_roc(phy, vif, NULL, 0);
997 }
998
mt7615_roc_work(struct work_struct * work)999 void mt7615_roc_work(struct work_struct *work)
1000 {
1001 struct mt7615_phy *phy;
1002
1003 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1004 roc_work);
1005
1006 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1007 return;
1008
1009 mt7615_mutex_acquire(phy->dev);
1010 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1011 IEEE80211_IFACE_ITER_RESUME_ALL,
1012 mt7615_roc_iter, phy);
1013 mt7615_mutex_release(phy->dev);
1014 ieee80211_remain_on_channel_expired(phy->mt76->hw);
1015 }
1016
mt7615_roc_timer(struct timer_list * timer)1017 void mt7615_roc_timer(struct timer_list *timer)
1018 {
1019 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer);
1020
1021 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1022 }
1023
mt7615_scan_work(struct work_struct * work)1024 void mt7615_scan_work(struct work_struct *work)
1025 {
1026 struct mt7615_phy *phy;
1027
1028 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1029 scan_work.work);
1030
1031 while (true) {
1032 struct mt7615_mcu_rxd *rxd;
1033 struct sk_buff *skb;
1034
1035 spin_lock_bh(&phy->dev->mt76.lock);
1036 skb = __skb_dequeue(&phy->scan_event_list);
1037 spin_unlock_bh(&phy->dev->mt76.lock);
1038
1039 if (!skb)
1040 break;
1041
1042 rxd = (struct mt7615_mcu_rxd *)skb->data;
1043 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1044 ieee80211_sched_scan_results(phy->mt76->hw);
1045 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1046 &phy->mt76->state)) {
1047 struct cfg80211_scan_info info = {
1048 .aborted = false,
1049 };
1050
1051 ieee80211_scan_completed(phy->mt76->hw, &info);
1052 }
1053 dev_kfree_skb(skb);
1054 }
1055 }
1056
1057 static int
mt7615_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1058 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1059 struct ieee80211_scan_request *req)
1060 {
1061 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1062 struct mt76_phy *mphy = hw->priv;
1063 int err;
1064
1065 /* fall-back to sw-scan */
1066 if (!mt7615_firmware_offload(dev))
1067 return 1;
1068
1069 mt7615_mutex_acquire(dev);
1070 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1071 mt7615_mutex_release(dev);
1072
1073 return err;
1074 }
1075
1076 static void
mt7615_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1077 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1078 {
1079 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1080 struct mt76_phy *mphy = hw->priv;
1081
1082 mt7615_mutex_acquire(dev);
1083 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1084 mt7615_mutex_release(dev);
1085 }
1086
1087 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)1088 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1089 struct cfg80211_sched_scan_request *req,
1090 struct ieee80211_scan_ies *ies)
1091 {
1092 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1093 struct mt76_phy *mphy = hw->priv;
1094 int err;
1095
1096 if (!mt7615_firmware_offload(dev))
1097 return -EOPNOTSUPP;
1098
1099 mt7615_mutex_acquire(dev);
1100
1101 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1102 if (err < 0)
1103 goto out;
1104
1105 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1106 out:
1107 mt7615_mutex_release(dev);
1108
1109 return err;
1110 }
1111
1112 static int
mt7615_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1113 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1114 {
1115 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1116 struct mt76_phy *mphy = hw->priv;
1117 int err;
1118
1119 if (!mt7615_firmware_offload(dev))
1120 return -EOPNOTSUPP;
1121
1122 mt7615_mutex_acquire(dev);
1123 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1124 mt7615_mutex_release(dev);
1125
1126 return err;
1127 }
1128
mt7615_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)1129 static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1130 struct ieee80211_vif *vif,
1131 struct ieee80211_channel *chan,
1132 int duration,
1133 enum ieee80211_roc_type type)
1134 {
1135 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1136 int err;
1137
1138 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1139 return 0;
1140
1141 mt7615_mutex_acquire(phy->dev);
1142
1143 err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1144 if (err < 0) {
1145 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1146 goto out;
1147 }
1148
1149 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1150 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1151 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1152 err = -ETIMEDOUT;
1153 }
1154
1155 out:
1156 mt7615_mutex_release(phy->dev);
1157
1158 return err;
1159 }
1160
mt7615_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1161 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1162 struct ieee80211_vif *vif)
1163 {
1164 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1165 int err;
1166
1167 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1168 return 0;
1169
1170 del_timer_sync(&phy->roc_timer);
1171 cancel_work_sync(&phy->roc_work);
1172
1173 mt7615_mutex_acquire(phy->dev);
1174 err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1175 mt7615_mutex_release(phy->dev);
1176
1177 return err;
1178 }
1179
mt7615_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1180 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1181 struct ieee80211_vif *vif,
1182 struct ieee80211_sta *sta,
1183 bool enabled)
1184 {
1185 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1186 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1187
1188 if (enabled)
1189 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1190 else
1191 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1192
1193 mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1194 }
1195
1196 #ifdef CONFIG_PM
mt7615_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1197 static int mt7615_suspend(struct ieee80211_hw *hw,
1198 struct cfg80211_wowlan *wowlan)
1199 {
1200 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1201 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1202 int err = 0;
1203
1204 cancel_delayed_work_sync(&dev->pm.ps_work);
1205 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1206
1207 mt7615_mutex_acquire(dev);
1208
1209 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1210 cancel_delayed_work_sync(&phy->scan_work);
1211 cancel_delayed_work_sync(&phy->mt76->mac_work);
1212
1213 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1214 ieee80211_iterate_active_interfaces(hw,
1215 IEEE80211_IFACE_ITER_RESUME_ALL,
1216 mt76_connac_mcu_set_suspend_iter,
1217 phy->mt76);
1218
1219 if (!mt7615_dev_running(dev))
1220 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true);
1221
1222 mt7615_mutex_release(dev);
1223
1224 return err;
1225 }
1226
mt7615_resume(struct ieee80211_hw * hw)1227 static int mt7615_resume(struct ieee80211_hw *hw)
1228 {
1229 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1230 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1231 unsigned long timeout;
1232 bool running;
1233
1234 mt7615_mutex_acquire(dev);
1235
1236 running = mt7615_dev_running(dev);
1237 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1238
1239 if (!running) {
1240 int err;
1241
1242 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false);
1243 if (err < 0) {
1244 mt7615_mutex_release(dev);
1245 return err;
1246 }
1247 }
1248
1249 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1250 ieee80211_iterate_active_interfaces(hw,
1251 IEEE80211_IFACE_ITER_RESUME_ALL,
1252 mt76_connac_mcu_set_suspend_iter,
1253 phy->mt76);
1254
1255 timeout = mt7615_get_macwork_timeout(dev);
1256 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1257
1258 mt7615_mutex_release(dev);
1259
1260 return 0;
1261 }
1262
mt7615_set_wakeup(struct ieee80211_hw * hw,bool enabled)1263 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1264 {
1265 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1266 struct mt76_dev *mdev = &dev->mt76;
1267
1268 device_set_wakeup_enable(mdev->dev, enabled);
1269 }
1270
mt7615_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1271 static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1272 struct ieee80211_vif *vif,
1273 struct cfg80211_gtk_rekey_data *data)
1274 {
1275 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1276
1277 mt7615_mutex_acquire(dev);
1278 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1279 mt7615_mutex_release(dev);
1280 }
1281 #endif /* CONFIG_PM */
1282
1283 const struct ieee80211_ops mt7615_ops = {
1284 .tx = mt7615_tx,
1285 .start = mt7615_start,
1286 .stop = mt7615_stop,
1287 .add_interface = mt7615_add_interface,
1288 .remove_interface = mt7615_remove_interface,
1289 .config = mt7615_config,
1290 .conf_tx = mt7615_conf_tx,
1291 .configure_filter = mt7615_configure_filter,
1292 .bss_info_changed = mt7615_bss_info_changed,
1293 .sta_add = mt7615_sta_add,
1294 .sta_remove = mt7615_sta_remove,
1295 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1296 .set_key = mt7615_set_key,
1297 .sta_set_decap_offload = mt7615_sta_set_decap_offload,
1298 .ampdu_action = mt7615_ampdu_action,
1299 .set_rts_threshold = mt7615_set_rts_threshold,
1300 .wake_tx_queue = mt76_wake_tx_queue,
1301 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1302 .sw_scan_start = mt76_sw_scan,
1303 .sw_scan_complete = mt76_sw_scan_complete,
1304 .release_buffered_frames = mt76_release_buffered_frames,
1305 .get_txpower = mt76_get_txpower,
1306 .channel_switch_beacon = mt7615_channel_switch_beacon,
1307 .get_stats = mt7615_get_stats,
1308 .get_tsf = mt7615_get_tsf,
1309 .set_tsf = mt7615_set_tsf,
1310 .offset_tsf = mt7615_offset_tsf,
1311 .get_survey = mt76_get_survey,
1312 .get_antenna = mt76_get_antenna,
1313 .set_antenna = mt7615_set_antenna,
1314 .set_coverage_class = mt7615_set_coverage_class,
1315 .hw_scan = mt7615_hw_scan,
1316 .cancel_hw_scan = mt7615_cancel_hw_scan,
1317 .sched_scan_start = mt7615_start_sched_scan,
1318 .sched_scan_stop = mt7615_stop_sched_scan,
1319 .remain_on_channel = mt7615_remain_on_channel,
1320 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1321 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1322 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1323 #ifdef CONFIG_PM
1324 .suspend = mt7615_suspend,
1325 .resume = mt7615_resume,
1326 .set_wakeup = mt7615_set_wakeup,
1327 .set_rekey_data = mt7615_set_rekey_data,
1328 #endif /* CONFIG_PM */
1329 };
1330 EXPORT_SYMBOL_GPL(mt7615_ops);
1331
1332 MODULE_LICENSE("Dual BSD/GPL");
1333
