1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /* Copyright (C) 2019 MediaTek Inc.
3 *
4 * Author: Roy Luo <royluo@google.com>
5 * Ryder Lee <ryder.lee@mediatek.com>
6 * Felix Fietkau <nbd@nbd.name>
7 * Lorenzo Bianconi <lorenzo@kernel.org>
8 */
9
10 #include <linux/etherdevice.h>
11 #include <linux/module.h>
12 #include "mt7615.h"
13 #include "mcu.h"
14
mt7615_dev_running(struct mt7615_dev * dev)15 static bool mt7615_dev_running(struct mt7615_dev *dev)
16 {
17 struct mt7615_phy *phy;
18
19 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
20 return true;
21
22 phy = mt7615_ext_phy(dev);
23
24 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
25 }
26
mt7615_start(struct ieee80211_hw * hw)27 static int mt7615_start(struct ieee80211_hw *hw)
28 {
29 struct mt7615_dev *dev = mt7615_hw_dev(hw);
30 struct mt7615_phy *phy = mt7615_hw_phy(hw);
31 unsigned long timeout;
32 bool running;
33 int ret;
34
35 if (!mt7615_wait_for_mcu_init(dev))
36 return -EIO;
37
38 mt7615_mutex_acquire(dev);
39
40 running = mt7615_dev_running(dev);
41
42 if (!running) {
43 ret = mt7615_mcu_set_pm(dev, 0, 0);
44 if (ret)
45 goto out;
46
47 ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false);
48 if (ret)
49 goto out;
50
51 mt7615_mac_enable_nf(dev, 0);
52 }
53
54 if (phy != &dev->phy) {
55 ret = mt7615_mcu_set_pm(dev, 1, 0);
56 if (ret)
57 goto out;
58
59 ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false);
60 if (ret)
61 goto out;
62
63 mt7615_mac_enable_nf(dev, 1);
64 }
65
66 if (mt7615_firmware_offload(dev)) {
67 ret = mt76_connac_mcu_set_channel_domain(phy->mt76);
68 if (ret)
69 goto out;
70
71 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76);
72 if (ret)
73 goto out;
74 }
75
76 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
77 if (ret)
78 goto out;
79
80 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
81
82 timeout = mt7615_get_macwork_timeout(dev);
83 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
84
85 if (!running)
86 mt7615_mac_reset_counters(phy);
87
88 out:
89 mt7615_mutex_release(dev);
90
91 return ret;
92 }
93
mt7615_stop(struct ieee80211_hw * hw,bool suspend)94 static void mt7615_stop(struct ieee80211_hw *hw, bool suspend)
95 {
96 struct mt7615_dev *dev = mt7615_hw_dev(hw);
97 struct mt7615_phy *phy = mt7615_hw_phy(hw);
98
99 cancel_delayed_work_sync(&phy->mt76->mac_work);
100 timer_delete_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 mvif->mt76.wcid = &mvif->sta.wcid;
213 if (ext_phy)
214 mvif->mt76.wmm_idx += 2;
215
216 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
217 dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
218 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
219
220 ret = mt7615_mcu_set_dbdc(dev);
221 if (ret)
222 goto out;
223
224 idx = MT7615_WTBL_RESERVED - mvif->mt76.idx;
225
226 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
227 mvif->sta.wcid.idx = idx;
228 mt76_wcid_init(&mvif->sta.wcid, mvif->mt76.band_idx);
229
230 mt7615_mac_wtbl_update(dev, idx,
231 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
232
233 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
234 if (vif->txq) {
235 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
236 mtxq->wcid = idx;
237 }
238
239 ret = mt7615_mcu_add_dev_info(phy, vif, true);
240 out:
241 mt7615_mutex_release(dev);
242
243 return ret;
244 }
245
mt7615_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)246 static void mt7615_remove_interface(struct ieee80211_hw *hw,
247 struct ieee80211_vif *vif)
248 {
249 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
250 struct mt7615_sta *msta = &mvif->sta;
251 struct mt7615_dev *dev = mt7615_hw_dev(hw);
252 struct mt7615_phy *phy = mt7615_hw_phy(hw);
253 int idx = msta->wcid.idx;
254
255 mt7615_mutex_acquire(dev);
256
257 mt7615_mcu_add_bss_info(phy, vif, NULL, false);
258 mt7615_mcu_sta_add(phy, vif, NULL, false);
259
260 mt76_testmode_reset(phy->mt76, true);
261 if (vif == phy->monitor_vif)
262 phy->monitor_vif = NULL;
263
264 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
265
266 mt7615_mcu_add_dev_info(phy, vif, false);
267
268 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
269
270 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
271 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
272 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
273
274 mt7615_mutex_release(dev);
275
276 spin_lock_bh(&dev->mt76.sta_poll_lock);
277 if (!list_empty(&msta->wcid.poll_list))
278 list_del_init(&msta->wcid.poll_list);
279 spin_unlock_bh(&dev->mt76.sta_poll_lock);
280
281 mt76_wcid_cleanup(&dev->mt76, &mvif->sta.wcid);
282 }
283
mt7615_set_channel(struct mt76_phy * mphy)284 int mt7615_set_channel(struct mt76_phy *mphy)
285 {
286 struct mt7615_phy *phy = mphy->priv;
287 struct mt7615_dev *dev = phy->dev;
288 bool ext_phy = phy != &dev->phy;
289 int ret;
290
291 mt76_connac_pm_wake(mphy, &dev->pm);
292
293 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
294 ret = mt7615_mcu_apply_rx_dcoc(phy);
295 if (ret)
296 goto out;
297
298 ret = mt7615_mcu_apply_tx_dpd(phy);
299 if (ret)
300 goto out;
301 }
302
303 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
304 if (ret)
305 goto out;
306
307 mt7615_mac_set_timing(phy);
308 ret = mt7615_dfs_init_radar_detector(phy);
309 if (ret)
310 goto out;
311
312 mt7615_mac_cca_stats_reset(phy);
313 ret = mt7615_mcu_set_sku_en(phy, true);
314 if (ret)
315 goto out;
316
317 mt7615_mac_reset_counters(phy);
318 phy->noise = 0;
319 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
320
321 out:
322 mt76_connac_power_save_sched(mphy, &dev->pm);
323
324 if (!mt76_testmode_enabled(phy->mt76)) {
325 unsigned long timeout = mt7615_get_macwork_timeout(dev);
326
327 ieee80211_queue_delayed_work(phy->mt76->hw,
328 &phy->mt76->mac_work, timeout);
329 }
330
331 return ret;
332 }
333 EXPORT_SYMBOL_GPL(mt7615_set_channel);
334
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)335 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
336 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
337 struct ieee80211_key_conf *key)
338 {
339 struct mt7615_dev *dev = mt7615_hw_dev(hw);
340 struct mt7615_phy *phy = mt7615_hw_phy(hw);
341 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
342 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
343 &mvif->sta;
344 struct mt76_wcid *wcid = &msta->wcid;
345 int idx = key->keyidx, err = 0;
346 u8 *wcid_keyidx = &wcid->hw_key_idx;
347
348 /* The hardware does not support per-STA RX GTK, fallback
349 * to software mode for these.
350 */
351 if ((vif->type == NL80211_IFTYPE_ADHOC ||
352 vif->type == NL80211_IFTYPE_MESH_POINT) &&
353 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
354 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
355 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
356 return -EOPNOTSUPP;
357
358 /* fall back to sw encryption for unsupported ciphers */
359 switch (key->cipher) {
360 case WLAN_CIPHER_SUITE_AES_CMAC:
361 wcid_keyidx = &wcid->hw_key_idx2;
362 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
363 break;
364 case WLAN_CIPHER_SUITE_TKIP:
365 case WLAN_CIPHER_SUITE_CCMP:
366 case WLAN_CIPHER_SUITE_CCMP_256:
367 case WLAN_CIPHER_SUITE_GCMP:
368 case WLAN_CIPHER_SUITE_GCMP_256:
369 case WLAN_CIPHER_SUITE_SMS4:
370 break;
371 case WLAN_CIPHER_SUITE_WEP40:
372 case WLAN_CIPHER_SUITE_WEP104:
373 default:
374 return -EOPNOTSUPP;
375 }
376
377 mt7615_mutex_acquire(dev);
378
379 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
380 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
381 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
382 }
383
384 if (cmd == SET_KEY)
385 *wcid_keyidx = idx;
386 else {
387 if (idx == *wcid_keyidx)
388 *wcid_keyidx = -1;
389 goto out;
390 }
391
392 mt76_wcid_key_setup(&dev->mt76, wcid, key);
393 if (mt76_is_mmio(&dev->mt76))
394 err = mt7615_mac_wtbl_set_key(dev, wcid, key);
395 else
396 err = __mt7615_mac_wtbl_set_key(dev, wcid, key);
397
398 out:
399 mt7615_mutex_release(dev);
400
401 return err;
402 }
403
mt7615_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)404 static int mt7615_set_sar_specs(struct ieee80211_hw *hw,
405 const struct cfg80211_sar_specs *sar)
406 {
407 struct mt7615_phy *phy = mt7615_hw_phy(hw);
408 int err;
409
410 if (!cfg80211_chandef_valid(&phy->mt76->chandef))
411 return -EINVAL;
412
413 err = mt76_init_sar_power(hw, sar);
414 if (err)
415 return err;
416
417 if (mt7615_firmware_offload(phy->dev))
418 return mt76_connac_mcu_set_rate_txpower(phy->mt76);
419
420 return mt76_update_channel(phy->mt76);
421 }
422
mt7615_config(struct ieee80211_hw * hw,int radio_idx,u32 changed)423 static int mt7615_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
424 {
425 struct mt7615_dev *dev = mt7615_hw_dev(hw);
426 struct mt7615_phy *phy = mt7615_hw_phy(hw);
427 bool band = phy != &dev->phy;
428 int ret = 0;
429
430 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
431 IEEE80211_CONF_CHANGE_POWER)) {
432 #ifdef CONFIG_NL80211_TESTMODE
433 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
434 mt7615_mutex_acquire(dev);
435 mt76_testmode_reset(phy->mt76, false);
436 mt7615_mutex_release(dev);
437 }
438 #endif
439 ret = mt76_update_channel(phy->mt76);
440 }
441
442 mt7615_mutex_acquire(dev);
443
444 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
445 mt76_testmode_reset(phy->mt76, true);
446
447 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
448 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
449 else
450 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
451
452 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
453 }
454
455 mt7615_mutex_release(dev);
456
457 return ret;
458 }
459
460 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)461 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
462 unsigned int link_id, u16 queue,
463 const struct ieee80211_tx_queue_params *params)
464 {
465 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
466 struct mt7615_dev *dev = mt7615_hw_dev(hw);
467 int err;
468
469 mt7615_mutex_acquire(dev);
470
471 queue = mt7615_lmac_mapping(dev, queue);
472 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
473 err = mt7615_mcu_set_wmm(dev, queue, params);
474
475 mt7615_mutex_release(dev);
476
477 return err;
478 }
479
mt7615_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)480 static void mt7615_configure_filter(struct ieee80211_hw *hw,
481 unsigned int changed_flags,
482 unsigned int *total_flags,
483 u64 multicast)
484 {
485 struct mt7615_dev *dev = mt7615_hw_dev(hw);
486 struct mt7615_phy *phy = mt7615_hw_phy(hw);
487 bool band = phy != &dev->phy;
488
489 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
490 MT_WF_RFCR1_DROP_BF_POLL |
491 MT_WF_RFCR1_DROP_BA |
492 MT_WF_RFCR1_DROP_CFEND |
493 MT_WF_RFCR1_DROP_CFACK;
494 u32 flags = 0;
495
496 mt7615_mutex_acquire(dev);
497
498 #define MT76_FILTER(_flag, _hw) do { \
499 flags |= *total_flags & FIF_##_flag; \
500 phy->rxfilter &= ~(_hw); \
501 if (!mt76_testmode_enabled(phy->mt76)) \
502 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
503 } while (0)
504
505 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
506 MT_WF_RFCR_DROP_FRAME_REPORT |
507 MT_WF_RFCR_DROP_PROBEREQ |
508 MT_WF_RFCR_DROP_MCAST_FILTERED |
509 MT_WF_RFCR_DROP_MCAST |
510 MT_WF_RFCR_DROP_BCAST |
511 MT_WF_RFCR_DROP_DUPLICATE |
512 MT_WF_RFCR_DROP_A2_BSSID |
513 MT_WF_RFCR_DROP_UNWANTED_CTL |
514 MT_WF_RFCR_DROP_STBC_MULTI);
515
516 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
517 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
518
519 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
520 MT_WF_RFCR_DROP_A3_MAC |
521 MT_WF_RFCR_DROP_A3_BSSID);
522
523 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
524
525 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
526 MT_WF_RFCR_DROP_RTS |
527 MT_WF_RFCR_DROP_CTL_RSV |
528 MT_WF_RFCR_DROP_NDPA);
529
530 *total_flags = flags;
531 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
532
533 if (*total_flags & FIF_CONTROL)
534 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
535 else
536 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
537
538 mt7615_mutex_release(dev);
539 }
540
541 static void
mt7615_update_mu_group(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info)542 mt7615_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
543 struct ieee80211_bss_conf *info)
544 {
545 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
546 struct mt7615_dev *dev = mt7615_hw_dev(hw);
547 u8 i, band = mvif->mt76.band_idx;
548 u32 *mu;
549
550 mu = (u32 *)info->mu_group.membership;
551 for (i = 0; i < WLAN_MEMBERSHIP_LEN / sizeof(*mu); i++) {
552 if (is_mt7663(&dev->mt76))
553 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
554 else
555 mt76_wr(dev, MT_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
556 }
557
558 mu = (u32 *)info->mu_group.position;
559 for (i = 0; i < WLAN_USER_POSITION_LEN / sizeof(*mu); i++) {
560 if (is_mt7663(&dev->mt76))
561 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_POS(band, i), mu[i]);
562 else
563 mt76_wr(dev, MT_WF_PHY_GID_TAB_POS(band, i), mu[i]);
564 }
565 }
566
mt7615_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)567 static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
568 struct ieee80211_vif *vif,
569 struct ieee80211_bss_conf *info,
570 u64 changed)
571 {
572 struct mt7615_dev *dev = mt7615_hw_dev(hw);
573 struct mt7615_phy *phy = mt7615_hw_phy(hw);
574
575 mt7615_mutex_acquire(dev);
576
577 if (changed & BSS_CHANGED_ERP_SLOT) {
578 int slottime = info->use_short_slot ? 9 : 20;
579
580 if (slottime != phy->slottime) {
581 phy->slottime = slottime;
582 mt7615_mac_set_timing(phy);
583 }
584 }
585
586 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
587 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
588 mt7615_mcu_sta_add(phy, vif, NULL, true);
589
590 if (mt7615_firmware_offload(dev) && vif->p2p)
591 mt76_connac_mcu_set_p2p_oppps(hw, vif);
592 }
593
594 if (changed & (BSS_CHANGED_BEACON |
595 BSS_CHANGED_BEACON_ENABLED))
596 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
597
598 if (changed & BSS_CHANGED_HT || changed & BSS_CHANGED_ERP_CTS_PROT)
599 mt7615_mcu_set_protection(phy, vif, info->ht_operation_mode,
600 info->use_cts_prot);
601
602 if (changed & BSS_CHANGED_PS)
603 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
604
605 if ((changed & BSS_CHANGED_ARP_FILTER) &&
606 mt7615_firmware_offload(dev)) {
607 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
608
609 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
610 info);
611 }
612
613 if (changed & BSS_CHANGED_ASSOC)
614 mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc);
615
616 if (changed & BSS_CHANGED_MU_GROUPS)
617 mt7615_update_mu_group(hw, vif, info);
618
619 mt7615_mutex_release(dev);
620 }
621
622 static void
mt7615_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)623 mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
624 struct ieee80211_vif *vif,
625 struct cfg80211_chan_def *chandef)
626 {
627 struct mt7615_dev *dev = mt7615_hw_dev(hw);
628
629 mt7615_mutex_acquire(dev);
630 mt7615_mcu_add_beacon(dev, hw, vif, true);
631 mt7615_mutex_release(dev);
632 }
633
mt7615_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)634 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
635 struct ieee80211_sta *sta)
636 {
637 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
638 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
639 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
640 struct mt7615_phy *phy;
641 int idx, err;
642
643 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
644 if (idx < 0)
645 return -ENOSPC;
646
647 INIT_LIST_HEAD(&msta->wcid.poll_list);
648 msta->vif = mvif;
649 msta->wcid.sta = 1;
650 msta->wcid.idx = idx;
651 msta->wcid.phy_idx = mvif->mt76.band_idx;
652
653 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
654 err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
655 if (err)
656 return err;
657
658 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
659 err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
660 if (err)
661 return err;
662 }
663
664 mt7615_mac_wtbl_update(dev, idx,
665 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
666 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
667 if (err)
668 return err;
669
670 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
671
672 return err;
673 }
674 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
675
mt7615_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)676 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
677 struct ieee80211_sta *sta)
678 {
679 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
680 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
681 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
682 struct mt7615_phy *phy;
683
684 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
685
686 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
687 mt76_connac_pm_wake(phy->mt76, &dev->pm);
688
689 mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
690 mt7615_mac_wtbl_update(dev, msta->wcid.idx,
691 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
692 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
693 mt7615_mcu_add_bss_info(phy, vif, sta, false);
694
695 spin_lock_bh(&mdev->sta_poll_lock);
696 if (!list_empty(&msta->wcid.poll_list))
697 list_del_init(&msta->wcid.poll_list);
698 spin_unlock_bh(&mdev->sta_poll_lock);
699
700 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
701 }
702 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
703
mt7615_sta_rate_tbl_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)704 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
705 struct ieee80211_vif *vif,
706 struct ieee80211_sta *sta)
707 {
708 struct mt7615_dev *dev = mt7615_hw_dev(hw);
709 struct mt7615_phy *phy = mt7615_hw_phy(hw);
710 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
711 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
712 int i;
713
714 if (!sta_rates)
715 return;
716
717 spin_lock_bh(&dev->mt76.lock);
718 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
719 msta->rates[i].idx = sta_rates->rate[i].idx;
720 msta->rates[i].count = sta_rates->rate[i].count;
721 msta->rates[i].flags = sta_rates->rate[i].flags;
722
723 if (msta->rates[i].idx < 0 || !msta->rates[i].count)
724 break;
725 }
726 msta->n_rates = i;
727 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
728 mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
729 mt76_connac_pm_unref(phy->mt76, &dev->pm);
730 }
731 spin_unlock_bh(&dev->mt76.lock);
732 }
733
mt7615_tx_worker(struct mt76_worker * w)734 void mt7615_tx_worker(struct mt76_worker *w)
735 {
736 struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
737 mt76.tx_worker);
738
739 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
740 queue_work(dev->mt76.wq, &dev->pm.wake_work);
741 return;
742 }
743
744 mt76_tx_worker_run(&dev->mt76);
745 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
746 }
747
mt7615_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)748 static void mt7615_tx(struct ieee80211_hw *hw,
749 struct ieee80211_tx_control *control,
750 struct sk_buff *skb)
751 {
752 struct mt7615_dev *dev = mt7615_hw_dev(hw);
753 struct mt76_phy *mphy = hw->priv;
754 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
755 struct ieee80211_vif *vif = info->control.vif;
756 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
757 struct mt7615_sta *msta = NULL;
758 int qid;
759
760 if (control->sta) {
761 msta = (struct mt7615_sta *)control->sta->drv_priv;
762 wcid = &msta->wcid;
763 }
764
765 if (vif && !control->sta) {
766 struct mt7615_vif *mvif;
767
768 mvif = (struct mt7615_vif *)vif->drv_priv;
769 msta = &mvif->sta;
770 wcid = &msta->wcid;
771 }
772
773 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
774 mt76_tx(mphy, control->sta, wcid, skb);
775 mt76_connac_pm_unref(mphy, &dev->pm);
776 return;
777 }
778
779 qid = skb_get_queue_mapping(skb);
780 if (qid >= MT_TXQ_PSD) {
781 qid = IEEE80211_AC_BE;
782 skb_set_queue_mapping(skb, qid);
783 }
784
785 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
786 }
787
mt7615_set_rts_threshold(struct ieee80211_hw * hw,int radio_idx,u32 val)788 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
789 u32 val)
790 {
791 struct mt7615_dev *dev = mt7615_hw_dev(hw);
792 struct mt7615_phy *phy = mt7615_hw_phy(hw);
793 int err, band = phy != &dev->phy;
794
795 mt7615_mutex_acquire(dev);
796 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
797 mt7615_mutex_release(dev);
798
799 return err;
800 }
801
802 static int
mt7615_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)803 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
804 struct ieee80211_ampdu_params *params)
805 {
806 enum ieee80211_ampdu_mlme_action action = params->action;
807 struct mt7615_dev *dev = mt7615_hw_dev(hw);
808 struct ieee80211_sta *sta = params->sta;
809 struct ieee80211_txq *txq = sta->txq[params->tid];
810 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
811 u16 tid = params->tid;
812 u16 ssn = params->ssn;
813 struct mt76_txq *mtxq;
814 int ret = 0;
815
816 if (!txq)
817 return -EINVAL;
818
819 mtxq = (struct mt76_txq *)txq->drv_priv;
820
821 mt7615_mutex_acquire(dev);
822
823 switch (action) {
824 case IEEE80211_AMPDU_RX_START:
825 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
826 params->buf_size);
827 ret = mt7615_mcu_add_rx_ba(dev, params, true);
828 break;
829 case IEEE80211_AMPDU_RX_STOP:
830 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
831 ret = mt7615_mcu_add_rx_ba(dev, params, false);
832 break;
833 case IEEE80211_AMPDU_TX_OPERATIONAL:
834 mtxq->aggr = true;
835 mtxq->send_bar = false;
836 ret = mt7615_mcu_add_tx_ba(dev, params, true);
837 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
838 ieee80211_send_bar(vif, sta->addr, tid,
839 IEEE80211_SN_TO_SEQ(ssn));
840 break;
841 case IEEE80211_AMPDU_TX_STOP_FLUSH:
842 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
843 mtxq->aggr = false;
844 ret = mt7615_mcu_add_tx_ba(dev, params, false);
845 break;
846 case IEEE80211_AMPDU_TX_START:
847 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
848 params->ssn = ssn;
849 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
850 break;
851 case IEEE80211_AMPDU_TX_STOP_CONT:
852 mtxq->aggr = false;
853 ret = mt7615_mcu_add_tx_ba(dev, params, false);
854 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
855 break;
856 }
857 mt7615_mutex_release(dev);
858
859 return ret;
860 }
861
862 static int
mt7615_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)863 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
864 struct ieee80211_sta *sta)
865 {
866 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
867 IEEE80211_STA_NONE);
868 }
869
870 static int
mt7615_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)871 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
872 struct ieee80211_sta *sta)
873 {
874 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
875 IEEE80211_STA_NOTEXIST);
876 }
877
878 static int
mt7615_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)879 mt7615_get_stats(struct ieee80211_hw *hw,
880 struct ieee80211_low_level_stats *stats)
881 {
882 struct mt7615_phy *phy = mt7615_hw_phy(hw);
883 struct mib_stats *mib = &phy->mib;
884
885 mt7615_mutex_acquire(phy->dev);
886
887 stats->dot11RTSSuccessCount = mib->rts_cnt;
888 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
889 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
890 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
891
892 mt7615_mutex_release(phy->dev);
893
894 return 0;
895 }
896
897 static u64
mt7615_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)898 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
899 {
900 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
901 struct mt7615_dev *dev = mt7615_hw_dev(hw);
902 union {
903 u64 t64;
904 u32 t32[2];
905 } tsf;
906 u16 idx = mvif->mt76.omac_idx;
907 u32 reg;
908
909 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
910 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
911
912 mt7615_mutex_acquire(dev);
913
914 /* TSF read */
915 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
916 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
917 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
918
919 mt7615_mutex_release(dev);
920
921 return tsf.t64;
922 }
923
924 static void
mt7615_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)925 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
926 u64 timestamp)
927 {
928 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
929 struct mt7615_dev *dev = mt7615_hw_dev(hw);
930 union {
931 u64 t64;
932 u32 t32[2];
933 } tsf = { .t64 = timestamp, };
934 u16 idx = mvif->mt76.omac_idx;
935 u32 reg;
936
937 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
938 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
939
940 mt7615_mutex_acquire(dev);
941
942 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
943 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
944 /* TSF software overwrite */
945 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
946
947 mt7615_mutex_release(dev);
948 }
949
950 static void
mt7615_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)951 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
952 s64 timestamp)
953 {
954 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
955 struct mt7615_dev *dev = mt7615_hw_dev(hw);
956 union {
957 u64 t64;
958 u32 t32[2];
959 } tsf = { .t64 = timestamp, };
960 u16 idx = mvif->mt76.omac_idx;
961 u32 reg;
962
963 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
964 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
965
966 mt7615_mutex_acquire(dev);
967
968 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
969 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
970 /* TSF software adjust*/
971 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
972
973 mt7615_mutex_release(dev);
974 }
975
976 static void
mt7615_set_coverage_class(struct ieee80211_hw * hw,int radio_idx,s16 coverage_class)977 mt7615_set_coverage_class(struct ieee80211_hw *hw, int radio_idx,
978 s16 coverage_class)
979 {
980 struct mt7615_phy *phy = mt7615_hw_phy(hw);
981 struct mt7615_dev *dev = phy->dev;
982
983 mt7615_mutex_acquire(dev);
984 phy->coverage_class = max_t(s16, coverage_class, 0);
985 mt7615_mac_set_timing(phy);
986 mt7615_mutex_release(dev);
987 }
988
989 static int
mt7615_set_antenna(struct ieee80211_hw * hw,int radio_idx,u32 tx_ant,u32 rx_ant)990 mt7615_set_antenna(struct ieee80211_hw *hw, int radio_idx,
991 u32 tx_ant, u32 rx_ant)
992 {
993 struct mt7615_dev *dev = mt7615_hw_dev(hw);
994 struct mt7615_phy *phy = mt7615_hw_phy(hw);
995 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
996 bool ext_phy = phy != &dev->phy;
997
998 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
999 return -EINVAL;
1000
1001 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1002 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1003
1004 mt7615_mutex_acquire(dev);
1005
1006 phy->mt76->antenna_mask = tx_ant;
1007 if (ext_phy) {
1008 if (dev->chainmask == 0xf)
1009 tx_ant <<= 2;
1010 else
1011 tx_ant <<= 1;
1012 }
1013 phy->mt76->chainmask = tx_ant;
1014
1015 mt76_set_stream_caps(phy->mt76, true);
1016
1017 mt7615_mutex_release(dev);
1018
1019 return 0;
1020 }
1021
mt7615_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)1022 static void mt7615_roc_iter(void *priv, u8 *mac,
1023 struct ieee80211_vif *vif)
1024 {
1025 struct mt7615_phy *phy = priv;
1026
1027 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1028 }
1029
mt7615_roc_work(struct work_struct * work)1030 void mt7615_roc_work(struct work_struct *work)
1031 {
1032 struct mt7615_phy *phy;
1033
1034 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1035 roc_work);
1036
1037 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1038 return;
1039
1040 mt7615_mutex_acquire(phy->dev);
1041 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1042 IEEE80211_IFACE_ITER_RESUME_ALL,
1043 mt7615_roc_iter, phy);
1044 mt7615_mutex_release(phy->dev);
1045 ieee80211_remain_on_channel_expired(phy->mt76->hw);
1046 }
1047
mt7615_roc_timer(struct timer_list * timer)1048 void mt7615_roc_timer(struct timer_list *timer)
1049 {
1050 struct mt7615_phy *phy = timer_container_of(phy, timer, roc_timer);
1051
1052 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1053 }
1054
mt7615_scan_work(struct work_struct * work)1055 void mt7615_scan_work(struct work_struct *work)
1056 {
1057 struct mt7615_phy *phy;
1058
1059 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1060 scan_work.work);
1061
1062 while (true) {
1063 struct mt7615_mcu_rxd *rxd;
1064 struct sk_buff *skb;
1065
1066 spin_lock_bh(&phy->dev->mt76.lock);
1067 skb = __skb_dequeue(&phy->scan_event_list);
1068 spin_unlock_bh(&phy->dev->mt76.lock);
1069
1070 if (!skb)
1071 break;
1072
1073 rxd = (struct mt7615_mcu_rxd *)skb->data;
1074 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1075 ieee80211_sched_scan_results(phy->mt76->hw);
1076 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1077 &phy->mt76->state)) {
1078 struct cfg80211_scan_info info = {
1079 .aborted = false,
1080 };
1081
1082 ieee80211_scan_completed(phy->mt76->hw, &info);
1083 }
1084 dev_kfree_skb(skb);
1085 }
1086 }
1087
1088 static int
mt7615_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1089 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1090 struct ieee80211_scan_request *req)
1091 {
1092 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1093 struct mt76_phy *mphy = hw->priv;
1094 int err;
1095
1096 /* fall-back to sw-scan */
1097 if (!mt7615_firmware_offload(dev))
1098 return 1;
1099
1100 mt7615_mutex_acquire(dev);
1101 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1102 mt7615_mutex_release(dev);
1103
1104 return err;
1105 }
1106
1107 static void
mt7615_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1108 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1109 {
1110 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1111 struct mt76_phy *mphy = hw->priv;
1112
1113 mt7615_mutex_acquire(dev);
1114 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1115 mt7615_mutex_release(dev);
1116 }
1117
1118 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)1119 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1120 struct cfg80211_sched_scan_request *req,
1121 struct ieee80211_scan_ies *ies)
1122 {
1123 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1124 struct mt76_phy *mphy = hw->priv;
1125 int err;
1126
1127 if (!mt7615_firmware_offload(dev))
1128 return -EOPNOTSUPP;
1129
1130 mt7615_mutex_acquire(dev);
1131
1132 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1133 if (err < 0)
1134 goto out;
1135
1136 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1137 out:
1138 mt7615_mutex_release(dev);
1139
1140 return err;
1141 }
1142
1143 static int
mt7615_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1144 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1145 {
1146 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1147 struct mt76_phy *mphy = hw->priv;
1148 int err;
1149
1150 if (!mt7615_firmware_offload(dev))
1151 return -EOPNOTSUPP;
1152
1153 mt7615_mutex_acquire(dev);
1154 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1155 mt7615_mutex_release(dev);
1156
1157 return err;
1158 }
1159
mt7615_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)1160 static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1161 struct ieee80211_vif *vif,
1162 struct ieee80211_channel *chan,
1163 int duration,
1164 enum ieee80211_roc_type type)
1165 {
1166 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1167 int err;
1168
1169 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1170 return 0;
1171
1172 mt7615_mutex_acquire(phy->dev);
1173
1174 err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1175 if (err < 0) {
1176 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1177 goto out;
1178 }
1179
1180 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1181 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1182 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1183 err = -ETIMEDOUT;
1184 }
1185
1186 out:
1187 mt7615_mutex_release(phy->dev);
1188
1189 return err;
1190 }
1191
mt7615_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1192 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1193 struct ieee80211_vif *vif)
1194 {
1195 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1196 int err;
1197
1198 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1199 return 0;
1200
1201 timer_delete_sync(&phy->roc_timer);
1202 cancel_work_sync(&phy->roc_work);
1203
1204 mt7615_mutex_acquire(phy->dev);
1205 err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1206 mt7615_mutex_release(phy->dev);
1207
1208 return err;
1209 }
1210
mt7615_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1211 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1212 struct ieee80211_vif *vif,
1213 struct ieee80211_sta *sta,
1214 bool enabled)
1215 {
1216 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1217 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1218
1219 mt7615_mutex_acquire(dev);
1220
1221 if (enabled)
1222 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1223 else
1224 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1225
1226 mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1227
1228 mt7615_mutex_release(dev);
1229 }
1230
1231 #ifdef CONFIG_PM
mt7615_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1232 static int mt7615_suspend(struct ieee80211_hw *hw,
1233 struct cfg80211_wowlan *wowlan)
1234 {
1235 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1236 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1237 int err = 0;
1238
1239 cancel_delayed_work_sync(&dev->pm.ps_work);
1240 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1241
1242 cancel_delayed_work_sync(&phy->scan_work);
1243 cancel_delayed_work_sync(&phy->mt76->mac_work);
1244
1245 mt7615_mutex_acquire(dev);
1246
1247 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1248
1249 set_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 if (!mt7615_dev_running(dev))
1256 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true, true);
1257
1258 mt7615_mutex_release(dev);
1259
1260 return err;
1261 }
1262
mt7615_resume(struct ieee80211_hw * hw)1263 static int mt7615_resume(struct ieee80211_hw *hw)
1264 {
1265 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1266 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1267 unsigned long timeout;
1268 bool running;
1269
1270 mt7615_mutex_acquire(dev);
1271
1272 running = mt7615_dev_running(dev);
1273 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1274
1275 if (!running) {
1276 int err;
1277
1278 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false, true);
1279 if (err < 0) {
1280 mt7615_mutex_release(dev);
1281 return err;
1282 }
1283 }
1284
1285 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1286 ieee80211_iterate_active_interfaces(hw,
1287 IEEE80211_IFACE_ITER_RESUME_ALL,
1288 mt76_connac_mcu_set_suspend_iter,
1289 phy->mt76);
1290
1291 timeout = mt7615_get_macwork_timeout(dev);
1292 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1293
1294 mt7615_mutex_release(dev);
1295
1296 return 0;
1297 }
1298
mt7615_set_wakeup(struct ieee80211_hw * hw,bool enabled)1299 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1300 {
1301 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1302 struct mt76_dev *mdev = &dev->mt76;
1303
1304 device_set_wakeup_enable(mdev->dev, enabled);
1305 }
1306
mt7615_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1307 static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1308 struct ieee80211_vif *vif,
1309 struct cfg80211_gtk_rekey_data *data)
1310 {
1311 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1312
1313 mt7615_mutex_acquire(dev);
1314 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1315 mt7615_mutex_release(dev);
1316 }
1317 #endif /* CONFIG_PM */
1318
1319 const struct ieee80211_ops mt7615_ops = {
1320 .add_chanctx = ieee80211_emulate_add_chanctx,
1321 .remove_chanctx = ieee80211_emulate_remove_chanctx,
1322 .change_chanctx = ieee80211_emulate_change_chanctx,
1323 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1324 .tx = mt7615_tx,
1325 .start = mt7615_start,
1326 .stop = mt7615_stop,
1327 .add_interface = mt7615_add_interface,
1328 .remove_interface = mt7615_remove_interface,
1329 .config = mt7615_config,
1330 .conf_tx = mt7615_conf_tx,
1331 .configure_filter = mt7615_configure_filter,
1332 .bss_info_changed = mt7615_bss_info_changed,
1333 .sta_add = mt7615_sta_add,
1334 .sta_remove = mt7615_sta_remove,
1335 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1336 .set_key = mt7615_set_key,
1337 .sta_set_decap_offload = mt7615_sta_set_decap_offload,
1338 .ampdu_action = mt7615_ampdu_action,
1339 .set_rts_threshold = mt7615_set_rts_threshold,
1340 .wake_tx_queue = mt76_wake_tx_queue,
1341 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1342 .sw_scan_start = mt76_sw_scan,
1343 .sw_scan_complete = mt76_sw_scan_complete,
1344 .release_buffered_frames = mt76_release_buffered_frames,
1345 .get_txpower = mt76_get_txpower,
1346 .channel_switch_beacon = mt7615_channel_switch_beacon,
1347 .get_stats = mt7615_get_stats,
1348 .get_tsf = mt7615_get_tsf,
1349 .set_tsf = mt7615_set_tsf,
1350 .offset_tsf = mt7615_offset_tsf,
1351 .get_survey = mt76_get_survey,
1352 .get_antenna = mt76_get_antenna,
1353 .set_antenna = mt7615_set_antenna,
1354 .set_coverage_class = mt7615_set_coverage_class,
1355 .hw_scan = mt7615_hw_scan,
1356 .cancel_hw_scan = mt7615_cancel_hw_scan,
1357 .sched_scan_start = mt7615_start_sched_scan,
1358 .sched_scan_stop = mt7615_stop_sched_scan,
1359 .remain_on_channel = mt7615_remain_on_channel,
1360 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1361 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1362 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1363 #ifdef CONFIG_PM
1364 .suspend = mt7615_suspend,
1365 .resume = mt7615_resume,
1366 .set_wakeup = mt7615_set_wakeup,
1367 .set_rekey_data = mt7615_set_rekey_data,
1368 #endif /* CONFIG_PM */
1369 .set_sar_specs = mt7615_set_sar_specs,
1370 };
1371 EXPORT_SYMBOL_GPL(mt7615_ops);
1372
1373 MODULE_DESCRIPTION("MediaTek MT7615E and MT7663E wireless driver");
1374 MODULE_LICENSE("Dual BSD/GPL");
1375