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 /* next, try to find a free repeater entry for the sta */
145 i = get_free_idx(mask >> REPEATER_BSSID_START, 0,
146 REPEATER_BSSID_MAX - REPEATER_BSSID_START);
147 if (i)
148 return i + 32 - 1;
149
150 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
151 if (i)
152 return i - 1;
153
154 if (~mask & BIT(HW_BSSID_0))
155 return HW_BSSID_0;
156
157 break;
158 case NL80211_IFTYPE_ADHOC:
159 case NL80211_IFTYPE_MESH_POINT:
160 case NL80211_IFTYPE_MONITOR:
161 case NL80211_IFTYPE_AP:
162 /* ap uses hw bssid 0 and ext bssid */
163 if (~mask & BIT(HW_BSSID_0))
164 return HW_BSSID_0;
165
166 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
167 if (i)
168 return i - 1;
169
170 break;
171 default:
172 WARN_ON(1);
173 break;
174 }
175
176 return -1;
177 }
178
mt7615_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)179 static int mt7615_add_interface(struct ieee80211_hw *hw,
180 struct ieee80211_vif *vif)
181 {
182 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
183 struct mt7615_dev *dev = mt7615_hw_dev(hw);
184 struct mt7615_phy *phy = mt7615_hw_phy(hw);
185 struct mt76_txq *mtxq;
186 bool ext_phy = phy != &dev->phy;
187 int idx, ret = 0;
188
189 mt7615_mutex_acquire(dev);
190
191 mt76_testmode_reset(phy->mt76, true);
192
193 if (vif->type == NL80211_IFTYPE_MONITOR &&
194 is_zero_ether_addr(vif->addr))
195 phy->monitor_vif = vif;
196
197 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
198 if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) {
199 ret = -ENOSPC;
200 goto out;
201 }
202
203 idx = get_omac_idx(vif->type, dev->omac_mask);
204 if (idx < 0) {
205 ret = -ENOSPC;
206 goto out;
207 }
208 mvif->mt76.omac_idx = idx;
209
210 mvif->mt76.band_idx = ext_phy;
211 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP;
212 if (ext_phy)
213 mvif->mt76.wmm_idx += 2;
214
215 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
216 dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
217 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
218
219 ret = mt7615_mcu_set_dbdc(dev);
220 if (ret)
221 goto out;
222
223 idx = MT7615_WTBL_RESERVED - mvif->mt76.idx;
224
225 INIT_LIST_HEAD(&mvif->sta.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_packet_id_init(&mvif->sta.wcid);
230
231 mt7615_mac_wtbl_update(dev, idx,
232 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
233
234 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
235 if (vif->txq) {
236 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
237 mtxq->wcid = idx;
238 }
239
240 ret = mt7615_mcu_add_dev_info(phy, vif, true);
241 out:
242 mt7615_mutex_release(dev);
243
244 return ret;
245 }
246
mt7615_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)247 static void mt7615_remove_interface(struct ieee80211_hw *hw,
248 struct ieee80211_vif *vif)
249 {
250 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
251 struct mt7615_sta *msta = &mvif->sta;
252 struct mt7615_dev *dev = mt7615_hw_dev(hw);
253 struct mt7615_phy *phy = mt7615_hw_phy(hw);
254 int idx = msta->wcid.idx;
255
256 mt7615_mutex_acquire(dev);
257
258 mt7615_mcu_add_bss_info(phy, vif, NULL, false);
259 mt7615_mcu_sta_add(phy, vif, NULL, false);
260
261 mt76_testmode_reset(phy->mt76, true);
262 if (vif == phy->monitor_vif)
263 phy->monitor_vif = NULL;
264
265 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
266
267 mt7615_mcu_add_dev_info(phy, vif, false);
268
269 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
270
271 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
272 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
273 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
274
275 mt7615_mutex_release(dev);
276
277 spin_lock_bh(&dev->sta_poll_lock);
278 if (!list_empty(&msta->poll_list))
279 list_del_init(&msta->poll_list);
280 spin_unlock_bh(&dev->sta_poll_lock);
281
282 mt76_packet_id_flush(&dev->mt76, &mvif->sta.wcid);
283 }
284
mt7615_set_channel(struct mt7615_phy * phy)285 int mt7615_set_channel(struct mt7615_phy *phy)
286 {
287 struct mt7615_dev *dev = phy->dev;
288 bool ext_phy = phy != &dev->phy;
289 int ret;
290
291 cancel_delayed_work_sync(&phy->mt76->mac_work);
292
293 mt7615_mutex_acquire(dev);
294
295 set_bit(MT76_RESET, &phy->mt76->state);
296
297 mt76_set_channel(phy->mt76);
298
299 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
300 ret = mt7615_mcu_apply_rx_dcoc(phy);
301 if (ret)
302 goto out;
303
304 ret = mt7615_mcu_apply_tx_dpd(phy);
305 if (ret)
306 goto out;
307 }
308
309 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
310 if (ret)
311 goto out;
312
313 mt7615_mac_set_timing(phy);
314 ret = mt7615_dfs_init_radar_detector(phy);
315 if (ret)
316 goto out;
317
318 mt7615_mac_cca_stats_reset(phy);
319 ret = mt7615_mcu_set_sku_en(phy, true);
320 if (ret)
321 goto out;
322
323 mt7615_mac_reset_counters(dev);
324 phy->noise = 0;
325 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
326
327 out:
328 clear_bit(MT76_RESET, &phy->mt76->state);
329
330 mt7615_mutex_release(dev);
331
332 mt76_worker_schedule(&dev->mt76.tx_worker);
333 if (!mt76_testmode_enabled(phy->mt76)) {
334 unsigned long timeout = mt7615_get_macwork_timeout(dev);
335
336 ieee80211_queue_delayed_work(phy->mt76->hw,
337 &phy->mt76->mac_work, timeout);
338 }
339
340 return ret;
341 }
342
mt7615_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)343 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
344 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
345 struct ieee80211_key_conf *key)
346 {
347 struct mt7615_dev *dev = mt7615_hw_dev(hw);
348 struct mt7615_phy *phy = mt7615_hw_phy(hw);
349 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
350 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
351 &mvif->sta;
352 struct mt76_wcid *wcid = &msta->wcid;
353 int idx = key->keyidx, err = 0;
354 u8 *wcid_keyidx = &wcid->hw_key_idx;
355
356 /* The hardware does not support per-STA RX GTK, fallback
357 * to software mode for these.
358 */
359 if ((vif->type == NL80211_IFTYPE_ADHOC ||
360 vif->type == NL80211_IFTYPE_MESH_POINT) &&
361 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
362 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
363 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
364 return -EOPNOTSUPP;
365
366 /* fall back to sw encryption for unsupported ciphers */
367 switch (key->cipher) {
368 case WLAN_CIPHER_SUITE_AES_CMAC:
369 wcid_keyidx = &wcid->hw_key_idx2;
370 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
371 break;
372 case WLAN_CIPHER_SUITE_TKIP:
373 case WLAN_CIPHER_SUITE_CCMP:
374 case WLAN_CIPHER_SUITE_CCMP_256:
375 case WLAN_CIPHER_SUITE_GCMP:
376 case WLAN_CIPHER_SUITE_GCMP_256:
377 case WLAN_CIPHER_SUITE_SMS4:
378 break;
379 case WLAN_CIPHER_SUITE_WEP40:
380 case WLAN_CIPHER_SUITE_WEP104:
381 default:
382 return -EOPNOTSUPP;
383 }
384
385 mt7615_mutex_acquire(dev);
386
387 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
388 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
389 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
390 }
391
392 if (cmd == SET_KEY)
393 *wcid_keyidx = idx;
394 else if (idx == *wcid_keyidx)
395 *wcid_keyidx = -1;
396 else
397 goto out;
398
399 mt76_wcid_key_setup(&dev->mt76, wcid,
400 cmd == SET_KEY ? key : NULL);
401
402 if (mt76_is_mmio(&dev->mt76))
403 err = mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
404 else
405 err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
406
407 out:
408 mt7615_mutex_release(dev);
409
410 return err;
411 }
412
mt7615_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)413 static int mt7615_set_sar_specs(struct ieee80211_hw *hw,
414 const struct cfg80211_sar_specs *sar)
415 {
416 struct mt7615_phy *phy = mt7615_hw_phy(hw);
417 int err;
418
419 if (!cfg80211_chandef_valid(&phy->mt76->chandef))
420 return -EINVAL;
421
422 err = mt76_init_sar_power(hw, sar);
423 if (err)
424 return err;
425
426 if (mt7615_firmware_offload(phy->dev))
427 return mt76_connac_mcu_set_rate_txpower(phy->mt76);
428
429 ieee80211_stop_queues(hw);
430 err = mt7615_set_channel(phy);
431 ieee80211_wake_queues(hw);
432
433 return err;
434 }
435
mt7615_config(struct ieee80211_hw * hw,u32 changed)436 static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
437 {
438 struct mt7615_dev *dev = mt7615_hw_dev(hw);
439 struct mt7615_phy *phy = mt7615_hw_phy(hw);
440 bool band = phy != &dev->phy;
441 int ret = 0;
442
443 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
444 IEEE80211_CONF_CHANGE_POWER)) {
445 #ifdef CONFIG_NL80211_TESTMODE
446 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
447 mt7615_mutex_acquire(dev);
448 mt76_testmode_reset(phy->mt76, false);
449 mt7615_mutex_release(dev);
450 }
451 #endif
452 ieee80211_stop_queues(hw);
453 ret = mt7615_set_channel(phy);
454 ieee80211_wake_queues(hw);
455 }
456
457 mt7615_mutex_acquire(dev);
458
459 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
460 mt76_testmode_reset(phy->mt76, true);
461
462 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
463 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
464 else
465 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
466
467 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
468 }
469
470 mt7615_mutex_release(dev);
471
472 return ret;
473 }
474
475 static int
mt7615_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)476 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
477 unsigned int link_id, u16 queue,
478 const struct ieee80211_tx_queue_params *params)
479 {
480 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
481 struct mt7615_dev *dev = mt7615_hw_dev(hw);
482 int err;
483
484 mt7615_mutex_acquire(dev);
485
486 queue = mt7615_lmac_mapping(dev, queue);
487 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
488 err = mt7615_mcu_set_wmm(dev, queue, params);
489
490 mt7615_mutex_release(dev);
491
492 return err;
493 }
494
mt7615_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)495 static void mt7615_configure_filter(struct ieee80211_hw *hw,
496 unsigned int changed_flags,
497 unsigned int *total_flags,
498 u64 multicast)
499 {
500 struct mt7615_dev *dev = mt7615_hw_dev(hw);
501 struct mt7615_phy *phy = mt7615_hw_phy(hw);
502 bool band = phy != &dev->phy;
503
504 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
505 MT_WF_RFCR1_DROP_BF_POLL |
506 MT_WF_RFCR1_DROP_BA |
507 MT_WF_RFCR1_DROP_CFEND |
508 MT_WF_RFCR1_DROP_CFACK;
509 u32 flags = 0;
510
511 mt7615_mutex_acquire(dev);
512
513 #define MT76_FILTER(_flag, _hw) do { \
514 flags |= *total_flags & FIF_##_flag; \
515 phy->rxfilter &= ~(_hw); \
516 if (!mt76_testmode_enabled(phy->mt76)) \
517 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
518 } while (0)
519
520 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
521 MT_WF_RFCR_DROP_FRAME_REPORT |
522 MT_WF_RFCR_DROP_PROBEREQ |
523 MT_WF_RFCR_DROP_MCAST_FILTERED |
524 MT_WF_RFCR_DROP_MCAST |
525 MT_WF_RFCR_DROP_BCAST |
526 MT_WF_RFCR_DROP_DUPLICATE |
527 MT_WF_RFCR_DROP_A2_BSSID |
528 MT_WF_RFCR_DROP_UNWANTED_CTL |
529 MT_WF_RFCR_DROP_STBC_MULTI);
530
531 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
532 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
533
534 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
535 MT_WF_RFCR_DROP_A3_MAC |
536 MT_WF_RFCR_DROP_A3_BSSID);
537
538 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
539
540 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
541 MT_WF_RFCR_DROP_RTS |
542 MT_WF_RFCR_DROP_CTL_RSV |
543 MT_WF_RFCR_DROP_NDPA);
544
545 *total_flags = flags;
546 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
547
548 if (*total_flags & FIF_CONTROL)
549 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
550 else
551 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
552
553 mt7615_mutex_release(dev);
554 }
555
mt7615_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)556 static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
557 struct ieee80211_vif *vif,
558 struct ieee80211_bss_conf *info,
559 u64 changed)
560 {
561 struct mt7615_dev *dev = mt7615_hw_dev(hw);
562 struct mt7615_phy *phy = mt7615_hw_phy(hw);
563
564 mt7615_mutex_acquire(dev);
565
566 if (changed & BSS_CHANGED_ERP_SLOT) {
567 int slottime = info->use_short_slot ? 9 : 20;
568
569 if (slottime != phy->slottime) {
570 phy->slottime = slottime;
571 mt7615_mac_set_timing(phy);
572 }
573 }
574
575 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
576 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
577 mt7615_mcu_sta_add(phy, vif, NULL, true);
578
579 if (mt7615_firmware_offload(dev) && vif->p2p)
580 mt76_connac_mcu_set_p2p_oppps(hw, vif);
581 }
582
583 if (changed & (BSS_CHANGED_BEACON |
584 BSS_CHANGED_BEACON_ENABLED))
585 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
586
587 if (changed & BSS_CHANGED_PS)
588 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
589
590 if ((changed & BSS_CHANGED_ARP_FILTER) &&
591 mt7615_firmware_offload(dev)) {
592 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
593
594 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
595 info);
596 }
597
598 if (changed & BSS_CHANGED_ASSOC)
599 mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc);
600
601 mt7615_mutex_release(dev);
602 }
603
604 static void
mt7615_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)605 mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
606 struct ieee80211_vif *vif,
607 struct cfg80211_chan_def *chandef)
608 {
609 struct mt7615_dev *dev = mt7615_hw_dev(hw);
610
611 mt7615_mutex_acquire(dev);
612 mt7615_mcu_add_beacon(dev, hw, vif, true);
613 mt7615_mutex_release(dev);
614 }
615
mt7615_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)616 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
617 struct ieee80211_sta *sta)
618 {
619 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
620 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
621 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
622 struct mt7615_phy *phy;
623 int idx, err;
624
625 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
626 if (idx < 0)
627 return -ENOSPC;
628
629 INIT_LIST_HEAD(&msta->poll_list);
630 msta->vif = mvif;
631 msta->wcid.sta = 1;
632 msta->wcid.idx = idx;
633 msta->wcid.phy_idx = mvif->mt76.band_idx;
634
635 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
636 err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
637 if (err)
638 return err;
639
640 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
641 err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
642 if (err)
643 return err;
644 }
645
646 mt7615_mac_wtbl_update(dev, idx,
647 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
648 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
649 if (err)
650 return err;
651
652 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
653
654 return err;
655 }
656 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
657
mt7615_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)658 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
659 struct ieee80211_sta *sta)
660 {
661 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
662 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
663 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
664 struct mt7615_phy *phy;
665
666 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
667
668 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
669 mt76_connac_pm_wake(phy->mt76, &dev->pm);
670
671 mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
672 mt7615_mac_wtbl_update(dev, msta->wcid.idx,
673 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
674 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
675 mt7615_mcu_add_bss_info(phy, vif, sta, false);
676
677 spin_lock_bh(&dev->sta_poll_lock);
678 if (!list_empty(&msta->poll_list))
679 list_del_init(&msta->poll_list);
680 spin_unlock_bh(&dev->sta_poll_lock);
681
682 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
683 }
684 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
685
mt7615_sta_rate_tbl_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)686 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
687 struct ieee80211_vif *vif,
688 struct ieee80211_sta *sta)
689 {
690 struct mt7615_dev *dev = mt7615_hw_dev(hw);
691 struct mt7615_phy *phy = mt7615_hw_phy(hw);
692 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
693 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
694 int i;
695
696 if (!sta_rates)
697 return;
698
699 spin_lock_bh(&dev->mt76.lock);
700 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
701 msta->rates[i].idx = sta_rates->rate[i].idx;
702 msta->rates[i].count = sta_rates->rate[i].count;
703 msta->rates[i].flags = sta_rates->rate[i].flags;
704
705 if (msta->rates[i].idx < 0 || !msta->rates[i].count)
706 break;
707 }
708 msta->n_rates = i;
709 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
710 mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
711 mt76_connac_pm_unref(phy->mt76, &dev->pm);
712 }
713 spin_unlock_bh(&dev->mt76.lock);
714 }
715
mt7615_tx_worker(struct mt76_worker * w)716 void mt7615_tx_worker(struct mt76_worker *w)
717 {
718 struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
719 mt76.tx_worker);
720
721 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
722 queue_work(dev->mt76.wq, &dev->pm.wake_work);
723 return;
724 }
725
726 mt76_tx_worker_run(&dev->mt76);
727 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
728 }
729
mt7615_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)730 static void mt7615_tx(struct ieee80211_hw *hw,
731 struct ieee80211_tx_control *control,
732 struct sk_buff *skb)
733 {
734 struct mt7615_dev *dev = mt7615_hw_dev(hw);
735 struct mt76_phy *mphy = hw->priv;
736 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
737 struct ieee80211_vif *vif = info->control.vif;
738 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
739 struct mt7615_sta *msta = NULL;
740 int qid;
741
742 if (control->sta) {
743 msta = (struct mt7615_sta *)control->sta->drv_priv;
744 wcid = &msta->wcid;
745 }
746
747 if (vif && !control->sta) {
748 struct mt7615_vif *mvif;
749
750 mvif = (struct mt7615_vif *)vif->drv_priv;
751 msta = &mvif->sta;
752 wcid = &msta->wcid;
753 }
754
755 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
756 mt76_tx(mphy, control->sta, wcid, skb);
757 mt76_connac_pm_unref(mphy, &dev->pm);
758 return;
759 }
760
761 qid = skb_get_queue_mapping(skb);
762 if (qid >= MT_TXQ_PSD) {
763 qid = IEEE80211_AC_BE;
764 skb_set_queue_mapping(skb, qid);
765 }
766
767 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
768 }
769
mt7615_set_rts_threshold(struct ieee80211_hw * hw,u32 val)770 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
771 {
772 struct mt7615_dev *dev = mt7615_hw_dev(hw);
773 struct mt7615_phy *phy = mt7615_hw_phy(hw);
774 int err, band = phy != &dev->phy;
775
776 mt7615_mutex_acquire(dev);
777 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
778 mt7615_mutex_release(dev);
779
780 return err;
781 }
782
783 static int
mt7615_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)784 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
785 struct ieee80211_ampdu_params *params)
786 {
787 enum ieee80211_ampdu_mlme_action action = params->action;
788 struct mt7615_dev *dev = mt7615_hw_dev(hw);
789 struct ieee80211_sta *sta = params->sta;
790 struct ieee80211_txq *txq = sta->txq[params->tid];
791 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
792 u16 tid = params->tid;
793 u16 ssn = params->ssn;
794 struct mt76_txq *mtxq;
795 int ret = 0;
796
797 if (!txq)
798 return -EINVAL;
799
800 mtxq = (struct mt76_txq *)txq->drv_priv;
801
802 mt7615_mutex_acquire(dev);
803
804 switch (action) {
805 case IEEE80211_AMPDU_RX_START:
806 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
807 params->buf_size);
808 ret = mt7615_mcu_add_rx_ba(dev, params, true);
809 break;
810 case IEEE80211_AMPDU_RX_STOP:
811 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
812 ret = mt7615_mcu_add_rx_ba(dev, params, false);
813 break;
814 case IEEE80211_AMPDU_TX_OPERATIONAL:
815 mtxq->aggr = true;
816 mtxq->send_bar = false;
817 ret = mt7615_mcu_add_tx_ba(dev, params, true);
818 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
819 ieee80211_send_bar(vif, sta->addr, tid,
820 IEEE80211_SN_TO_SEQ(ssn));
821 break;
822 case IEEE80211_AMPDU_TX_STOP_FLUSH:
823 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
824 mtxq->aggr = false;
825 ret = mt7615_mcu_add_tx_ba(dev, params, false);
826 break;
827 case IEEE80211_AMPDU_TX_START:
828 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
829 params->ssn = ssn;
830 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
831 break;
832 case IEEE80211_AMPDU_TX_STOP_CONT:
833 mtxq->aggr = false;
834 ret = mt7615_mcu_add_tx_ba(dev, params, false);
835 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
836 break;
837 }
838 mt7615_mutex_release(dev);
839
840 return ret;
841 }
842
843 static int
mt7615_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)844 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
845 struct ieee80211_sta *sta)
846 {
847 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
848 IEEE80211_STA_NONE);
849 }
850
851 static int
mt7615_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)852 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
853 struct ieee80211_sta *sta)
854 {
855 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
856 IEEE80211_STA_NOTEXIST);
857 }
858
859 static int
mt7615_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)860 mt7615_get_stats(struct ieee80211_hw *hw,
861 struct ieee80211_low_level_stats *stats)
862 {
863 struct mt7615_phy *phy = mt7615_hw_phy(hw);
864 struct mib_stats *mib = &phy->mib;
865
866 mt7615_mutex_acquire(phy->dev);
867
868 stats->dot11RTSSuccessCount = mib->rts_cnt;
869 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
870 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
871 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
872
873 mt7615_mutex_release(phy->dev);
874
875 return 0;
876 }
877
878 static u64
mt7615_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)879 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
880 {
881 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
882 struct mt7615_dev *dev = mt7615_hw_dev(hw);
883 union {
884 u64 t64;
885 u32 t32[2];
886 } tsf;
887 u16 idx = mvif->mt76.omac_idx;
888 u32 reg;
889
890 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
891 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
892
893 mt7615_mutex_acquire(dev);
894
895 /* TSF read */
896 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
897 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
898 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
899
900 mt7615_mutex_release(dev);
901
902 return tsf.t64;
903 }
904
905 static void
mt7615_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)906 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
907 u64 timestamp)
908 {
909 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
910 struct mt7615_dev *dev = mt7615_hw_dev(hw);
911 union {
912 u64 t64;
913 u32 t32[2];
914 } tsf = { .t64 = timestamp, };
915 u16 idx = mvif->mt76.omac_idx;
916 u32 reg;
917
918 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
919 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
920
921 mt7615_mutex_acquire(dev);
922
923 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
924 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
925 /* TSF software overwrite */
926 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
927
928 mt7615_mutex_release(dev);
929 }
930
931 static void
mt7615_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)932 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
933 s64 timestamp)
934 {
935 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
936 struct mt7615_dev *dev = mt7615_hw_dev(hw);
937 union {
938 u64 t64;
939 u32 t32[2];
940 } tsf = { .t64 = timestamp, };
941 u16 idx = mvif->mt76.omac_idx;
942 u32 reg;
943
944 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
945 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
946
947 mt7615_mutex_acquire(dev);
948
949 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
950 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
951 /* TSF software adjust*/
952 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
953
954 mt7615_mutex_release(dev);
955 }
956
957 static void
mt7615_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)958 mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
959 {
960 struct mt7615_phy *phy = mt7615_hw_phy(hw);
961 struct mt7615_dev *dev = phy->dev;
962
963 mt7615_mutex_acquire(dev);
964 phy->coverage_class = max_t(s16, coverage_class, 0);
965 mt7615_mac_set_timing(phy);
966 mt7615_mutex_release(dev);
967 }
968
969 static int
mt7615_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)970 mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
971 {
972 struct mt7615_dev *dev = mt7615_hw_dev(hw);
973 struct mt7615_phy *phy = mt7615_hw_phy(hw);
974 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
975 bool ext_phy = phy != &dev->phy;
976
977 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
978 return -EINVAL;
979
980 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
981 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
982
983 mt7615_mutex_acquire(dev);
984
985 phy->mt76->antenna_mask = tx_ant;
986 if (ext_phy) {
987 if (dev->chainmask == 0xf)
988 tx_ant <<= 2;
989 else
990 tx_ant <<= 1;
991 }
992 phy->mt76->chainmask = tx_ant;
993
994 mt76_set_stream_caps(phy->mt76, true);
995
996 mt7615_mutex_release(dev);
997
998 return 0;
999 }
1000
mt7615_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)1001 static void mt7615_roc_iter(void *priv, u8 *mac,
1002 struct ieee80211_vif *vif)
1003 {
1004 struct mt7615_phy *phy = priv;
1005
1006 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1007 }
1008
mt7615_roc_work(struct work_struct * work)1009 void mt7615_roc_work(struct work_struct *work)
1010 {
1011 struct mt7615_phy *phy;
1012
1013 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1014 roc_work);
1015
1016 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1017 return;
1018
1019 mt7615_mutex_acquire(phy->dev);
1020 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1021 IEEE80211_IFACE_ITER_RESUME_ALL,
1022 mt7615_roc_iter, phy);
1023 mt7615_mutex_release(phy->dev);
1024 ieee80211_remain_on_channel_expired(phy->mt76->hw);
1025 }
1026
mt7615_roc_timer(struct timer_list * timer)1027 void mt7615_roc_timer(struct timer_list *timer)
1028 {
1029 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer);
1030
1031 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1032 }
1033
mt7615_scan_work(struct work_struct * work)1034 void mt7615_scan_work(struct work_struct *work)
1035 {
1036 struct mt7615_phy *phy;
1037
1038 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1039 scan_work.work);
1040
1041 while (true) {
1042 struct mt7615_mcu_rxd *rxd;
1043 struct sk_buff *skb;
1044
1045 spin_lock_bh(&phy->dev->mt76.lock);
1046 skb = __skb_dequeue(&phy->scan_event_list);
1047 spin_unlock_bh(&phy->dev->mt76.lock);
1048
1049 if (!skb)
1050 break;
1051
1052 rxd = (struct mt7615_mcu_rxd *)skb->data;
1053 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1054 ieee80211_sched_scan_results(phy->mt76->hw);
1055 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1056 &phy->mt76->state)) {
1057 struct cfg80211_scan_info info = {
1058 .aborted = false,
1059 };
1060
1061 ieee80211_scan_completed(phy->mt76->hw, &info);
1062 }
1063 dev_kfree_skb(skb);
1064 }
1065 }
1066
1067 static int
mt7615_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1068 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1069 struct ieee80211_scan_request *req)
1070 {
1071 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1072 struct mt76_phy *mphy = hw->priv;
1073 int err;
1074
1075 /* fall-back to sw-scan */
1076 if (!mt7615_firmware_offload(dev))
1077 return 1;
1078
1079 mt7615_mutex_acquire(dev);
1080 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1081 mt7615_mutex_release(dev);
1082
1083 return err;
1084 }
1085
1086 static void
mt7615_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1087 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1088 {
1089 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1090 struct mt76_phy *mphy = hw->priv;
1091
1092 mt7615_mutex_acquire(dev);
1093 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1094 mt7615_mutex_release(dev);
1095 }
1096
1097 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)1098 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1099 struct cfg80211_sched_scan_request *req,
1100 struct ieee80211_scan_ies *ies)
1101 {
1102 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1103 struct mt76_phy *mphy = hw->priv;
1104 int err;
1105
1106 if (!mt7615_firmware_offload(dev))
1107 return -EOPNOTSUPP;
1108
1109 mt7615_mutex_acquire(dev);
1110
1111 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1112 if (err < 0)
1113 goto out;
1114
1115 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1116 out:
1117 mt7615_mutex_release(dev);
1118
1119 return err;
1120 }
1121
1122 static int
mt7615_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1123 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1124 {
1125 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1126 struct mt76_phy *mphy = hw->priv;
1127 int err;
1128
1129 if (!mt7615_firmware_offload(dev))
1130 return -EOPNOTSUPP;
1131
1132 mt7615_mutex_acquire(dev);
1133 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1134 mt7615_mutex_release(dev);
1135
1136 return err;
1137 }
1138
mt7615_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)1139 static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1140 struct ieee80211_vif *vif,
1141 struct ieee80211_channel *chan,
1142 int duration,
1143 enum ieee80211_roc_type type)
1144 {
1145 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1146 int err;
1147
1148 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1149 return 0;
1150
1151 mt7615_mutex_acquire(phy->dev);
1152
1153 err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1154 if (err < 0) {
1155 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1156 goto out;
1157 }
1158
1159 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1160 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1161 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1162 err = -ETIMEDOUT;
1163 }
1164
1165 out:
1166 mt7615_mutex_release(phy->dev);
1167
1168 return err;
1169 }
1170
mt7615_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1171 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1172 struct ieee80211_vif *vif)
1173 {
1174 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1175 int err;
1176
1177 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1178 return 0;
1179
1180 del_timer_sync(&phy->roc_timer);
1181 cancel_work_sync(&phy->roc_work);
1182
1183 mt7615_mutex_acquire(phy->dev);
1184 err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1185 mt7615_mutex_release(phy->dev);
1186
1187 return err;
1188 }
1189
mt7615_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1190 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1191 struct ieee80211_vif *vif,
1192 struct ieee80211_sta *sta,
1193 bool enabled)
1194 {
1195 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1196 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1197
1198 mt7615_mutex_acquire(dev);
1199
1200 if (enabled)
1201 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1202 else
1203 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1204
1205 mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1206
1207 mt7615_mutex_release(dev);
1208 }
1209
1210 #ifdef CONFIG_PM
mt7615_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1211 static int mt7615_suspend(struct ieee80211_hw *hw,
1212 struct cfg80211_wowlan *wowlan)
1213 {
1214 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1215 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1216 int err = 0;
1217
1218 cancel_delayed_work_sync(&dev->pm.ps_work);
1219 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1220
1221 mt7615_mutex_acquire(dev);
1222
1223 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1224 cancel_delayed_work_sync(&phy->scan_work);
1225 cancel_delayed_work_sync(&phy->mt76->mac_work);
1226
1227 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1228 ieee80211_iterate_active_interfaces(hw,
1229 IEEE80211_IFACE_ITER_RESUME_ALL,
1230 mt76_connac_mcu_set_suspend_iter,
1231 phy->mt76);
1232
1233 if (!mt7615_dev_running(dev))
1234 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true);
1235
1236 mt7615_mutex_release(dev);
1237
1238 return err;
1239 }
1240
mt7615_resume(struct ieee80211_hw * hw)1241 static int mt7615_resume(struct ieee80211_hw *hw)
1242 {
1243 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1244 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1245 unsigned long timeout;
1246 bool running;
1247
1248 mt7615_mutex_acquire(dev);
1249
1250 running = mt7615_dev_running(dev);
1251 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1252
1253 if (!running) {
1254 int err;
1255
1256 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false);
1257 if (err < 0) {
1258 mt7615_mutex_release(dev);
1259 return err;
1260 }
1261 }
1262
1263 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1264 ieee80211_iterate_active_interfaces(hw,
1265 IEEE80211_IFACE_ITER_RESUME_ALL,
1266 mt76_connac_mcu_set_suspend_iter,
1267 phy->mt76);
1268
1269 timeout = mt7615_get_macwork_timeout(dev);
1270 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1271
1272 mt7615_mutex_release(dev);
1273
1274 return 0;
1275 }
1276
mt7615_set_wakeup(struct ieee80211_hw * hw,bool enabled)1277 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1278 {
1279 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1280 struct mt76_dev *mdev = &dev->mt76;
1281
1282 device_set_wakeup_enable(mdev->dev, enabled);
1283 }
1284
mt7615_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1285 static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1286 struct ieee80211_vif *vif,
1287 struct cfg80211_gtk_rekey_data *data)
1288 {
1289 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1290
1291 mt7615_mutex_acquire(dev);
1292 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1293 mt7615_mutex_release(dev);
1294 }
1295 #endif /* CONFIG_PM */
1296
1297 const struct ieee80211_ops mt7615_ops = {
1298 .tx = mt7615_tx,
1299 .start = mt7615_start,
1300 .stop = mt7615_stop,
1301 .add_interface = mt7615_add_interface,
1302 .remove_interface = mt7615_remove_interface,
1303 .config = mt7615_config,
1304 .conf_tx = mt7615_conf_tx,
1305 .configure_filter = mt7615_configure_filter,
1306 .bss_info_changed = mt7615_bss_info_changed,
1307 .sta_add = mt7615_sta_add,
1308 .sta_remove = mt7615_sta_remove,
1309 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1310 .set_key = mt7615_set_key,
1311 .sta_set_decap_offload = mt7615_sta_set_decap_offload,
1312 .ampdu_action = mt7615_ampdu_action,
1313 .set_rts_threshold = mt7615_set_rts_threshold,
1314 .wake_tx_queue = mt76_wake_tx_queue,
1315 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1316 .sw_scan_start = mt76_sw_scan,
1317 .sw_scan_complete = mt76_sw_scan_complete,
1318 .release_buffered_frames = mt76_release_buffered_frames,
1319 .get_txpower = mt76_get_txpower,
1320 .channel_switch_beacon = mt7615_channel_switch_beacon,
1321 .get_stats = mt7615_get_stats,
1322 .get_tsf = mt7615_get_tsf,
1323 .set_tsf = mt7615_set_tsf,
1324 .offset_tsf = mt7615_offset_tsf,
1325 .get_survey = mt76_get_survey,
1326 .get_antenna = mt76_get_antenna,
1327 .set_antenna = mt7615_set_antenna,
1328 .set_coverage_class = mt7615_set_coverage_class,
1329 .hw_scan = mt7615_hw_scan,
1330 .cancel_hw_scan = mt7615_cancel_hw_scan,
1331 .sched_scan_start = mt7615_start_sched_scan,
1332 .sched_scan_stop = mt7615_stop_sched_scan,
1333 .remain_on_channel = mt7615_remain_on_channel,
1334 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1335 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1336 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1337 #ifdef CONFIG_PM
1338 .suspend = mt7615_suspend,
1339 .resume = mt7615_resume,
1340 .set_wakeup = mt7615_set_wakeup,
1341 .set_rekey_data = mt7615_set_rekey_data,
1342 #endif /* CONFIG_PM */
1343 .set_sar_specs = mt7615_set_sar_specs,
1344 };
1345 EXPORT_SYMBOL_GPL(mt7615_ops);
1346
1347 MODULE_LICENSE("Dual BSD/GPL");
1348