1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/etherdevice.h>
5 #include <linux/platform_device.h>
6 #include <linux/pci.h>
7 #include <linux/module.h>
8 #include "mt7915.h"
9 #include "mcu.h"
10
mt7915_dev_running(struct mt7915_dev * dev)11 static bool mt7915_dev_running(struct mt7915_dev *dev)
12 {
13 struct mt7915_phy *phy;
14
15 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
16 return true;
17
18 phy = mt7915_ext_phy(dev);
19
20 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
21 }
22
mt7915_start(struct ieee80211_hw * hw)23 static int mt7915_start(struct ieee80211_hw *hw)
24 {
25 struct mt7915_dev *dev = mt7915_hw_dev(hw);
26 struct mt7915_phy *phy = mt7915_hw_phy(hw);
27 bool running;
28 int ret;
29
30 flush_work(&dev->init_work);
31
32 mutex_lock(&dev->mt76.mutex);
33
34 running = mt7915_dev_running(dev);
35
36 if (!running) {
37 ret = mt76_connac_mcu_set_pm(&dev->mt76, 0, 0);
38 if (ret)
39 goto out;
40
41 ret = mt7915_mcu_set_mac(dev, 0, true, true);
42 if (ret)
43 goto out;
44
45 mt7915_mac_enable_nf(dev, 0);
46 }
47
48 if (phy != &dev->phy || phy->band_idx) {
49 ret = mt76_connac_mcu_set_pm(&dev->mt76, 1, 0);
50 if (ret)
51 goto out;
52
53 ret = mt7915_mcu_set_mac(dev, 1, true, true);
54 if (ret)
55 goto out;
56
57 mt7915_mac_enable_nf(dev, 1);
58 }
59
60 ret = mt7915_mcu_set_thermal_throttling(phy,
61 MT7915_THERMAL_THROTTLE_MAX);
62
63 if (ret)
64 goto out;
65
66 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b,
67 phy != &dev->phy);
68 if (ret)
69 goto out;
70
71 ret = mt7915_mcu_set_sku_en(phy, true);
72 if (ret)
73 goto out;
74
75 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
76 if (ret)
77 goto out;
78
79 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
80
81 if (!mt76_testmode_enabled(phy->mt76))
82 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
83 MT7915_WATCHDOG_TIME);
84
85 if (!running)
86 mt7915_mac_reset_counters(phy);
87
88 out:
89 mutex_unlock(&dev->mt76.mutex);
90
91 return ret;
92 }
93
mt7915_stop(struct ieee80211_hw * hw)94 static void mt7915_stop(struct ieee80211_hw *hw)
95 {
96 struct mt7915_dev *dev = mt7915_hw_dev(hw);
97 struct mt7915_phy *phy = mt7915_hw_phy(hw);
98
99 cancel_delayed_work_sync(&phy->mt76->mac_work);
100
101 mutex_lock(&dev->mt76.mutex);
102
103 mt76_testmode_reset(phy->mt76, true);
104
105 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
106
107 if (phy != &dev->phy) {
108 mt76_connac_mcu_set_pm(&dev->mt76, 1, 1);
109 mt7915_mcu_set_mac(dev, 1, false, false);
110 }
111
112 if (!mt7915_dev_running(dev)) {
113 mt76_connac_mcu_set_pm(&dev->mt76, 0, 1);
114 mt7915_mcu_set_mac(dev, 0, false, false);
115 }
116
117 mutex_unlock(&dev->mt76.mutex);
118 }
119
get_free_idx(u32 mask,u8 start,u8 end)120 static inline int get_free_idx(u32 mask, u8 start, u8 end)
121 {
122 return ffs(~mask & GENMASK(end, start));
123 }
124
get_omac_idx(enum nl80211_iftype type,u64 mask)125 static int get_omac_idx(enum nl80211_iftype type, u64 mask)
126 {
127 int i;
128
129 switch (type) {
130 case NL80211_IFTYPE_MESH_POINT:
131 case NL80211_IFTYPE_ADHOC:
132 case NL80211_IFTYPE_STATION:
133 /* prefer hw bssid slot 1-3 */
134 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
135 if (i)
136 return i - 1;
137
138 if (type != NL80211_IFTYPE_STATION)
139 break;
140
141 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
142 if (i)
143 return i - 1;
144
145 if (~mask & BIT(HW_BSSID_0))
146 return HW_BSSID_0;
147
148 break;
149 case NL80211_IFTYPE_MONITOR:
150 case NL80211_IFTYPE_AP:
151 /* ap uses hw bssid 0 and ext bssid */
152 if (~mask & BIT(HW_BSSID_0))
153 return HW_BSSID_0;
154
155 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
156 if (i)
157 return i - 1;
158
159 break;
160 default:
161 WARN_ON(1);
162 break;
163 }
164
165 return -1;
166 }
167
mt7915_init_bitrate_mask(struct ieee80211_vif * vif)168 static void mt7915_init_bitrate_mask(struct ieee80211_vif *vif)
169 {
170 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
171 int i;
172
173 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) {
174 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI;
175 mvif->bitrate_mask.control[i].he_gi = 0xff;
176 mvif->bitrate_mask.control[i].he_ltf = 0xff;
177 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0);
178 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff,
179 sizeof(mvif->bitrate_mask.control[i].ht_mcs));
180 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff,
181 sizeof(mvif->bitrate_mask.control[i].vht_mcs));
182 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff,
183 sizeof(mvif->bitrate_mask.control[i].he_mcs));
184 }
185 }
186
mt7915_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)187 static int mt7915_add_interface(struct ieee80211_hw *hw,
188 struct ieee80211_vif *vif)
189 {
190 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
191 struct mt7915_dev *dev = mt7915_hw_dev(hw);
192 struct mt7915_phy *phy = mt7915_hw_phy(hw);
193 struct mt76_txq *mtxq;
194 bool ext_phy = phy != &dev->phy;
195 int idx, ret = 0;
196
197 mutex_lock(&dev->mt76.mutex);
198
199 mt76_testmode_reset(phy->mt76, true);
200
201 if (vif->type == NL80211_IFTYPE_MONITOR &&
202 is_zero_ether_addr(vif->addr))
203 phy->monitor_vif = vif;
204
205 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
206 if (mvif->mt76.idx >= (MT7915_MAX_INTERFACES << dev->dbdc_support)) {
207 ret = -ENOSPC;
208 goto out;
209 }
210
211 idx = get_omac_idx(vif->type, phy->omac_mask);
212 if (idx < 0) {
213 ret = -ENOSPC;
214 goto out;
215 }
216 mvif->mt76.omac_idx = idx;
217 mvif->phy = phy;
218 mvif->mt76.band_idx = phy->band_idx;
219
220 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP;
221 if (ext_phy)
222 mvif->mt76.wmm_idx += 2;
223
224 ret = mt7915_mcu_add_dev_info(phy, vif, true);
225 if (ret)
226 goto out;
227
228 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
229 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
230
231 idx = MT7915_WTBL_RESERVED - mvif->mt76.idx;
232
233 INIT_LIST_HEAD(&mvif->sta.rc_list);
234 INIT_LIST_HEAD(&mvif->sta.poll_list);
235 mvif->sta.wcid.idx = idx;
236 mvif->sta.wcid.phy_idx = ext_phy;
237 mvif->sta.wcid.hw_key_idx = -1;
238 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
239 mt76_packet_id_init(&mvif->sta.wcid);
240
241 mt7915_mac_wtbl_update(dev, idx,
242 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
243
244 if (vif->txq) {
245 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
246 mtxq->wcid = idx;
247 }
248
249 if (vif->type != NL80211_IFTYPE_AP &&
250 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3))
251 vif->offload_flags = 0;
252 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
253
254 mt7915_init_bitrate_mask(vif);
255 memset(&mvif->cap, -1, sizeof(mvif->cap));
256
257 mt7915_mcu_add_bss_info(phy, vif, true);
258 mt7915_mcu_add_sta(dev, vif, NULL, true);
259 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
260
261 out:
262 mutex_unlock(&dev->mt76.mutex);
263
264 return ret;
265 }
266
mt7915_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)267 static void mt7915_remove_interface(struct ieee80211_hw *hw,
268 struct ieee80211_vif *vif)
269 {
270 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
271 struct mt7915_sta *msta = &mvif->sta;
272 struct mt7915_dev *dev = mt7915_hw_dev(hw);
273 struct mt7915_phy *phy = mt7915_hw_phy(hw);
274 int idx = msta->wcid.idx;
275
276 mt7915_mcu_add_bss_info(phy, vif, false);
277 mt7915_mcu_add_sta(dev, vif, NULL, false);
278
279 mutex_lock(&dev->mt76.mutex);
280 mt76_testmode_reset(phy->mt76, true);
281 mutex_unlock(&dev->mt76.mutex);
282
283 if (vif == phy->monitor_vif)
284 phy->monitor_vif = NULL;
285
286 mt7915_mcu_add_dev_info(phy, vif, false);
287
288 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
289
290 mutex_lock(&dev->mt76.mutex);
291 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
292 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
293 mutex_unlock(&dev->mt76.mutex);
294
295 spin_lock_bh(&dev->sta_poll_lock);
296 if (!list_empty(&msta->poll_list))
297 list_del_init(&msta->poll_list);
298 spin_unlock_bh(&dev->sta_poll_lock);
299
300 mt76_packet_id_flush(&dev->mt76, &msta->wcid);
301 }
302
mt7915_set_channel(struct mt7915_phy * phy)303 int mt7915_set_channel(struct mt7915_phy *phy)
304 {
305 struct mt7915_dev *dev = phy->dev;
306 int ret;
307
308 cancel_delayed_work_sync(&phy->mt76->mac_work);
309
310 mutex_lock(&dev->mt76.mutex);
311 set_bit(MT76_RESET, &phy->mt76->state);
312
313 mt76_set_channel(phy->mt76);
314
315 if (dev->flash_mode) {
316 ret = mt7915_mcu_apply_tx_dpd(phy);
317 if (ret)
318 goto out;
319 }
320
321 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
322 if (ret)
323 goto out;
324
325 mt7915_mac_set_timing(phy);
326 ret = mt7915_dfs_init_radar_detector(phy);
327 mt7915_mac_cca_stats_reset(phy);
328
329 mt7915_mac_reset_counters(phy);
330 phy->noise = 0;
331
332 out:
333 clear_bit(MT76_RESET, &phy->mt76->state);
334 mutex_unlock(&dev->mt76.mutex);
335
336 mt76_txq_schedule_all(phy->mt76);
337
338 if (!mt76_testmode_enabled(phy->mt76))
339 ieee80211_queue_delayed_work(phy->mt76->hw,
340 &phy->mt76->mac_work,
341 MT7915_WATCHDOG_TIME);
342
343 return ret;
344 }
345
mt7915_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)346 static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
347 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
348 struct ieee80211_key_conf *key)
349 {
350 struct mt7915_dev *dev = mt7915_hw_dev(hw);
351 struct mt7915_phy *phy = mt7915_hw_phy(hw);
352 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
353 struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv :
354 &mvif->sta;
355 struct mt76_wcid *wcid = &msta->wcid;
356 u8 *wcid_keyidx = &wcid->hw_key_idx;
357 int idx = key->keyidx;
358 int err = 0;
359
360 /* The hardware does not support per-STA RX GTK, fallback
361 * to software mode for these.
362 */
363 if ((vif->type == NL80211_IFTYPE_ADHOC ||
364 vif->type == NL80211_IFTYPE_MESH_POINT) &&
365 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
366 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
367 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
368 return -EOPNOTSUPP;
369
370 /* fall back to sw encryption for unsupported ciphers */
371 switch (key->cipher) {
372 case WLAN_CIPHER_SUITE_AES_CMAC:
373 wcid_keyidx = &wcid->hw_key_idx2;
374 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
375 break;
376 case WLAN_CIPHER_SUITE_TKIP:
377 case WLAN_CIPHER_SUITE_CCMP:
378 case WLAN_CIPHER_SUITE_CCMP_256:
379 case WLAN_CIPHER_SUITE_GCMP:
380 case WLAN_CIPHER_SUITE_GCMP_256:
381 case WLAN_CIPHER_SUITE_SMS4:
382 break;
383 case WLAN_CIPHER_SUITE_WEP40:
384 case WLAN_CIPHER_SUITE_WEP104:
385 default:
386 return -EOPNOTSUPP;
387 }
388
389 mutex_lock(&dev->mt76.mutex);
390
391 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
392 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
393 mt7915_mcu_add_bss_info(phy, vif, true);
394 }
395
396 if (cmd == SET_KEY) {
397 *wcid_keyidx = idx;
398 } else {
399 if (idx == *wcid_keyidx)
400 *wcid_keyidx = -1;
401 goto out;
402 }
403
404 mt76_wcid_key_setup(&dev->mt76, wcid, key);
405 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip,
406 key, MCU_EXT_CMD(STA_REC_UPDATE),
407 &msta->wcid, cmd);
408 out:
409 mutex_unlock(&dev->mt76.mutex);
410
411 return err;
412 }
413
mt7915_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)414 static int mt7915_set_sar_specs(struct ieee80211_hw *hw,
415 const struct cfg80211_sar_specs *sar)
416 {
417 struct mt7915_phy *phy = mt7915_hw_phy(hw);
418 struct mt7915_dev *dev = mt7915_hw_dev(hw);
419 int err = -EINVAL;
420
421 mutex_lock(&dev->mt76.mutex);
422 if (!cfg80211_chandef_valid(&phy->mt76->chandef))
423 goto out;
424
425 err = mt76_init_sar_power(hw, sar);
426 if (err)
427 goto out;
428
429 err = mt7915_mcu_set_txpower_sku(phy);
430 out:
431 mutex_unlock(&dev->mt76.mutex);
432
433 return err;
434 }
435
mt7915_config(struct ieee80211_hw * hw,u32 changed)436 static int mt7915_config(struct ieee80211_hw *hw, u32 changed)
437 {
438 struct mt7915_dev *dev = mt7915_hw_dev(hw);
439 struct mt7915_phy *phy = mt7915_hw_phy(hw);
440 bool band = phy != &dev->phy;
441 int ret;
442
443 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
444 #ifdef CONFIG_NL80211_TESTMODE
445 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
446 mutex_lock(&dev->mt76.mutex);
447 mt76_testmode_reset(phy->mt76, false);
448 mutex_unlock(&dev->mt76.mutex);
449 }
450 #endif
451 ieee80211_stop_queues(hw);
452 ret = mt7915_set_channel(phy);
453 if (ret)
454 return ret;
455 ieee80211_wake_queues(hw);
456 }
457
458 if (changed & (IEEE80211_CONF_CHANGE_POWER |
459 IEEE80211_CONF_CHANGE_CHANNEL)) {
460 ret = mt7915_mcu_set_txpower_sku(phy);
461 if (ret)
462 return ret;
463 }
464
465 mutex_lock(&dev->mt76.mutex);
466
467 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
468 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
469
470 if (!enabled)
471 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
472 else
473 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
474
475 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN,
476 enabled);
477 mt76_testmode_reset(phy->mt76, true);
478 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
479 }
480
481 mutex_unlock(&dev->mt76.mutex);
482
483 return 0;
484 }
485
486 static int
mt7915_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)487 mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
488 unsigned int link_id, u16 queue,
489 const struct ieee80211_tx_queue_params *params)
490 {
491 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
492
493 /* no need to update right away, we'll get BSS_CHANGED_QOS */
494 queue = mt76_connac_lmac_mapping(queue);
495 mvif->queue_params[queue] = *params;
496
497 return 0;
498 }
499
mt7915_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)500 static void mt7915_configure_filter(struct ieee80211_hw *hw,
501 unsigned int changed_flags,
502 unsigned int *total_flags,
503 u64 multicast)
504 {
505 struct mt7915_dev *dev = mt7915_hw_dev(hw);
506 struct mt7915_phy *phy = mt7915_hw_phy(hw);
507 bool band = phy != &dev->phy;
508 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
509 MT_WF_RFCR1_DROP_BF_POLL |
510 MT_WF_RFCR1_DROP_BA |
511 MT_WF_RFCR1_DROP_CFEND |
512 MT_WF_RFCR1_DROP_CFACK;
513 u32 flags = 0;
514
515 #define MT76_FILTER(_flag, _hw) do { \
516 flags |= *total_flags & FIF_##_flag; \
517 phy->rxfilter &= ~(_hw); \
518 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
519 } while (0)
520
521 mutex_lock(&dev->mt76.mutex);
522
523 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
524 MT_WF_RFCR_DROP_OTHER_BEACON |
525 MT_WF_RFCR_DROP_FRAME_REPORT |
526 MT_WF_RFCR_DROP_PROBEREQ |
527 MT_WF_RFCR_DROP_MCAST_FILTERED |
528 MT_WF_RFCR_DROP_MCAST |
529 MT_WF_RFCR_DROP_BCAST |
530 MT_WF_RFCR_DROP_DUPLICATE |
531 MT_WF_RFCR_DROP_A2_BSSID |
532 MT_WF_RFCR_DROP_UNWANTED_CTL |
533 MT_WF_RFCR_DROP_STBC_MULTI);
534
535 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
536 MT_WF_RFCR_DROP_A3_MAC |
537 MT_WF_RFCR_DROP_A3_BSSID);
538
539 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
540
541 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
542 MT_WF_RFCR_DROP_RTS |
543 MT_WF_RFCR_DROP_CTL_RSV |
544 MT_WF_RFCR_DROP_NDPA);
545
546 *total_flags = flags;
547 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
548
549 if (*total_flags & FIF_CONTROL)
550 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
551 else
552 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
553
554 mutex_unlock(&dev->mt76.mutex);
555 }
556
557 static void
mt7915_update_bss_color(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_he_bss_color * bss_color)558 mt7915_update_bss_color(struct ieee80211_hw *hw,
559 struct ieee80211_vif *vif,
560 struct cfg80211_he_bss_color *bss_color)
561 {
562 struct mt7915_dev *dev = mt7915_hw_dev(hw);
563
564 switch (vif->type) {
565 case NL80211_IFTYPE_AP: {
566 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
567
568 if (mvif->mt76.omac_idx > HW_BSSID_MAX)
569 return;
570 fallthrough;
571 }
572 case NL80211_IFTYPE_STATION:
573 mt7915_mcu_update_bss_color(dev, vif, bss_color);
574 break;
575 default:
576 break;
577 }
578 }
579
mt7915_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)580 static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
581 struct ieee80211_vif *vif,
582 struct ieee80211_bss_conf *info,
583 u64 changed)
584 {
585 struct mt7915_phy *phy = mt7915_hw_phy(hw);
586 struct mt7915_dev *dev = mt7915_hw_dev(hw);
587
588 mutex_lock(&dev->mt76.mutex);
589
590 /*
591 * station mode uses BSSID to map the wlan entry to a peer,
592 * and then peer references bss_info_rfch to set bandwidth cap.
593 */
594 if (changed & BSS_CHANGED_BSSID &&
595 vif->type == NL80211_IFTYPE_STATION) {
596 bool join = !is_zero_ether_addr(info->bssid);
597
598 mt7915_mcu_add_bss_info(phy, vif, join);
599 mt7915_mcu_add_sta(dev, vif, NULL, join);
600 }
601
602 if (changed & BSS_CHANGED_ASSOC) {
603 mt7915_mcu_add_bss_info(phy, vif, vif->cfg.assoc);
604 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
605 }
606
607 if (changed & BSS_CHANGED_ERP_SLOT) {
608 int slottime = info->use_short_slot ? 9 : 20;
609
610 if (slottime != phy->slottime) {
611 phy->slottime = slottime;
612 mt7915_mac_set_timing(phy);
613 }
614 }
615
616 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
617 mt7915_mcu_add_bss_info(phy, vif, true);
618 mt7915_mcu_add_sta(dev, vif, NULL, true);
619 }
620
621 /* ensure that enable txcmd_mode after bss_info */
622 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
623 mt7915_mcu_set_tx(dev, vif);
624
625 if (changed & BSS_CHANGED_HE_OBSS_PD)
626 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
627
628 if (changed & BSS_CHANGED_HE_BSS_COLOR)
629 mt7915_update_bss_color(hw, vif, &info->he_bss_color);
630
631 if (changed & (BSS_CHANGED_BEACON |
632 BSS_CHANGED_BEACON_ENABLED |
633 BSS_CHANGED_UNSOL_BCAST_PROBE_RESP |
634 BSS_CHANGED_FILS_DISCOVERY))
635 mt7915_mcu_add_beacon(hw, vif, info->enable_beacon, changed);
636
637 mutex_unlock(&dev->mt76.mutex);
638 }
639
640 static void
mt7915_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)641 mt7915_channel_switch_beacon(struct ieee80211_hw *hw,
642 struct ieee80211_vif *vif,
643 struct cfg80211_chan_def *chandef)
644 {
645 struct mt7915_dev *dev = mt7915_hw_dev(hw);
646
647 mutex_lock(&dev->mt76.mutex);
648 mt7915_mcu_add_beacon(hw, vif, true, BSS_CHANGED_BEACON);
649 mutex_unlock(&dev->mt76.mutex);
650 }
651
mt7915_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)652 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
653 struct ieee80211_sta *sta)
654 {
655 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
656 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
657 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
658 bool ext_phy = mvif->phy != &dev->phy;
659 int ret, idx;
660
661 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA);
662 if (idx < 0)
663 return -ENOSPC;
664
665 INIT_LIST_HEAD(&msta->rc_list);
666 INIT_LIST_HEAD(&msta->poll_list);
667 msta->vif = mvif;
668 msta->wcid.sta = 1;
669 msta->wcid.idx = idx;
670 msta->wcid.phy_idx = ext_phy;
671 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
672 msta->jiffies = jiffies;
673
674 mt7915_mac_wtbl_update(dev, idx,
675 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
676
677 ret = mt7915_mcu_add_sta(dev, vif, sta, true);
678 if (ret)
679 return ret;
680
681 return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false);
682 }
683
mt7915_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)684 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
685 struct ieee80211_sta *sta)
686 {
687 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
688 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
689 int i;
690
691 mt7915_mcu_add_sta(dev, vif, sta, false);
692
693 mt7915_mac_wtbl_update(dev, msta->wcid.idx,
694 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
695
696 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++)
697 mt7915_mac_twt_teardown_flow(dev, msta, i);
698
699 spin_lock_bh(&dev->sta_poll_lock);
700 if (!list_empty(&msta->poll_list))
701 list_del_init(&msta->poll_list);
702 if (!list_empty(&msta->rc_list))
703 list_del_init(&msta->rc_list);
704 spin_unlock_bh(&dev->sta_poll_lock);
705 }
706
mt7915_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)707 static void mt7915_tx(struct ieee80211_hw *hw,
708 struct ieee80211_tx_control *control,
709 struct sk_buff *skb)
710 {
711 struct mt7915_dev *dev = mt7915_hw_dev(hw);
712 struct mt76_phy *mphy = hw->priv;
713 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
714 struct ieee80211_vif *vif = info->control.vif;
715 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
716
717 if (control->sta) {
718 struct mt7915_sta *sta;
719
720 sta = (struct mt7915_sta *)control->sta->drv_priv;
721 wcid = &sta->wcid;
722 }
723
724 if (vif && !control->sta) {
725 struct mt7915_vif *mvif;
726
727 mvif = (struct mt7915_vif *)vif->drv_priv;
728 wcid = &mvif->sta.wcid;
729 }
730
731 mt76_tx(mphy, control->sta, wcid, skb);
732 }
733
mt7915_set_rts_threshold(struct ieee80211_hw * hw,u32 val)734 static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
735 {
736 struct mt7915_dev *dev = mt7915_hw_dev(hw);
737 struct mt7915_phy *phy = mt7915_hw_phy(hw);
738 int ret;
739
740 mutex_lock(&dev->mt76.mutex);
741 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, phy != &dev->phy);
742 mutex_unlock(&dev->mt76.mutex);
743
744 return ret;
745 }
746
747 static int
mt7915_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)748 mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
749 struct ieee80211_ampdu_params *params)
750 {
751 enum ieee80211_ampdu_mlme_action action = params->action;
752 struct mt7915_dev *dev = mt7915_hw_dev(hw);
753 struct ieee80211_sta *sta = params->sta;
754 struct ieee80211_txq *txq = sta->txq[params->tid];
755 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
756 u16 tid = params->tid;
757 u16 ssn = params->ssn;
758 struct mt76_txq *mtxq;
759 int ret = 0;
760
761 if (!txq)
762 return -EINVAL;
763
764 mtxq = (struct mt76_txq *)txq->drv_priv;
765
766 mutex_lock(&dev->mt76.mutex);
767 switch (action) {
768 case IEEE80211_AMPDU_RX_START:
769 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
770 params->buf_size);
771 ret = mt7915_mcu_add_rx_ba(dev, params, true);
772 break;
773 case IEEE80211_AMPDU_RX_STOP:
774 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
775 ret = mt7915_mcu_add_rx_ba(dev, params, false);
776 break;
777 case IEEE80211_AMPDU_TX_OPERATIONAL:
778 mtxq->aggr = true;
779 mtxq->send_bar = false;
780 ret = mt7915_mcu_add_tx_ba(dev, params, true);
781 break;
782 case IEEE80211_AMPDU_TX_STOP_FLUSH:
783 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
784 mtxq->aggr = false;
785 clear_bit(tid, &msta->ampdu_state);
786 ret = mt7915_mcu_add_tx_ba(dev, params, false);
787 break;
788 case IEEE80211_AMPDU_TX_START:
789 set_bit(tid, &msta->ampdu_state);
790 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
791 break;
792 case IEEE80211_AMPDU_TX_STOP_CONT:
793 mtxq->aggr = false;
794 clear_bit(tid, &msta->ampdu_state);
795 ret = mt7915_mcu_add_tx_ba(dev, params, false);
796 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
797 break;
798 }
799 mutex_unlock(&dev->mt76.mutex);
800
801 return ret;
802 }
803
804 static int
mt7915_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)805 mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
806 struct ieee80211_sta *sta)
807 {
808 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
809 IEEE80211_STA_NONE);
810 }
811
812 static int
mt7915_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)813 mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
814 struct ieee80211_sta *sta)
815 {
816 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
817 IEEE80211_STA_NOTEXIST);
818 }
819
820 static int
mt7915_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)821 mt7915_get_stats(struct ieee80211_hw *hw,
822 struct ieee80211_low_level_stats *stats)
823 {
824 struct mt7915_phy *phy = mt7915_hw_phy(hw);
825 struct mt7915_dev *dev = mt7915_hw_dev(hw);
826 struct mib_stats *mib = &phy->mib;
827
828 mutex_lock(&dev->mt76.mutex);
829
830 stats->dot11RTSSuccessCount = mib->rts_cnt;
831 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
832 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
833 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
834
835 mutex_unlock(&dev->mt76.mutex);
836
837 return 0;
838 }
839
__mt7915_get_tsf(struct ieee80211_hw * hw,struct mt7915_vif * mvif)840 u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif)
841 {
842 struct mt7915_dev *dev = mt7915_hw_dev(hw);
843 struct mt7915_phy *phy = mt7915_hw_phy(hw);
844 bool band = phy != &dev->phy;
845 union {
846 u64 t64;
847 u32 t32[2];
848 } tsf;
849 u16 n;
850
851 lockdep_assert_held(&dev->mt76.mutex);
852
853 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
854 : mvif->mt76.omac_idx;
855 /* TSF software read */
856 if (is_mt7915(&dev->mt76))
857 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
858 MT_LPON_TCR_SW_READ);
859 else
860 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
861 MT_LPON_TCR_SW_READ);
862 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band));
863 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band));
864
865 return tsf.t64;
866 }
867
868 static u64
mt7915_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)869 mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
870 {
871 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
872 struct mt7915_dev *dev = mt7915_hw_dev(hw);
873 u64 ret;
874
875 mutex_lock(&dev->mt76.mutex);
876 ret = __mt7915_get_tsf(hw, mvif);
877 mutex_unlock(&dev->mt76.mutex);
878
879 return ret;
880 }
881
882 static void
mt7915_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)883 mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
884 u64 timestamp)
885 {
886 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
887 struct mt7915_dev *dev = mt7915_hw_dev(hw);
888 struct mt7915_phy *phy = mt7915_hw_phy(hw);
889 bool band = phy != &dev->phy;
890 union {
891 u64 t64;
892 u32 t32[2];
893 } tsf = { .t64 = timestamp, };
894 u16 n;
895
896 mutex_lock(&dev->mt76.mutex);
897
898 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
899 : mvif->mt76.omac_idx;
900 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
901 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
902 /* TSF software overwrite */
903 if (is_mt7915(&dev->mt76))
904 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
905 MT_LPON_TCR_SW_WRITE);
906 else
907 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
908 MT_LPON_TCR_SW_WRITE);
909
910 mutex_unlock(&dev->mt76.mutex);
911 }
912
913 static void
mt7915_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)914 mt7915_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
915 s64 timestamp)
916 {
917 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
918 struct mt7915_dev *dev = mt7915_hw_dev(hw);
919 struct mt7915_phy *phy = mt7915_hw_phy(hw);
920 bool band = phy != &dev->phy;
921 union {
922 u64 t64;
923 u32 t32[2];
924 } tsf = { .t64 = timestamp, };
925 u16 n;
926
927 mutex_lock(&dev->mt76.mutex);
928
929 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
930 : mvif->mt76.omac_idx;
931 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
932 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
933 /* TSF software adjust*/
934 if (is_mt7915(&dev->mt76))
935 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
936 MT_LPON_TCR_SW_ADJUST);
937 else
938 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
939 MT_LPON_TCR_SW_ADJUST);
940
941 mutex_unlock(&dev->mt76.mutex);
942 }
943
944 static void
mt7915_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)945 mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
946 {
947 struct mt7915_phy *phy = mt7915_hw_phy(hw);
948 struct mt7915_dev *dev = phy->dev;
949
950 mutex_lock(&dev->mt76.mutex);
951 phy->coverage_class = max_t(s16, coverage_class, 0);
952 mt7915_mac_set_timing(phy);
953 mutex_unlock(&dev->mt76.mutex);
954 }
955
956 static int
mt7915_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)957 mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
958 {
959 struct mt7915_dev *dev = mt7915_hw_dev(hw);
960 struct mt7915_phy *phy = mt7915_hw_phy(hw);
961 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
962 bool ext_phy = phy != &dev->phy;
963
964 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
965 return -EINVAL;
966
967 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
968 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
969
970 mutex_lock(&dev->mt76.mutex);
971
972 phy->mt76->antenna_mask = tx_ant;
973
974 if (ext_phy)
975 tx_ant <<= dev->chainshift;
976
977 phy->mt76->chainmask = tx_ant;
978
979 mt76_set_stream_caps(phy->mt76, true);
980 mt7915_set_stream_vht_txbf_caps(phy);
981 mt7915_set_stream_he_caps(phy);
982
983 mutex_unlock(&dev->mt76.mutex);
984
985 return 0;
986 }
987
mt7915_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)988 static void mt7915_sta_statistics(struct ieee80211_hw *hw,
989 struct ieee80211_vif *vif,
990 struct ieee80211_sta *sta,
991 struct station_info *sinfo)
992 {
993 struct mt7915_phy *phy = mt7915_hw_phy(hw);
994 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
995 struct rate_info *txrate = &msta->wcid.rate;
996 struct rate_info rxrate = {};
997
998 if (is_mt7915(&phy->dev->mt76) &&
999 !mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) {
1000 sinfo->rxrate = rxrate;
1001 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE);
1002 }
1003
1004 if (!txrate->legacy && !txrate->flags)
1005 return;
1006
1007 if (txrate->legacy) {
1008 sinfo->txrate.legacy = txrate->legacy;
1009 } else {
1010 sinfo->txrate.mcs = txrate->mcs;
1011 sinfo->txrate.nss = txrate->nss;
1012 sinfo->txrate.bw = txrate->bw;
1013 sinfo->txrate.he_gi = txrate->he_gi;
1014 sinfo->txrate.he_dcm = txrate->he_dcm;
1015 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
1016 }
1017 sinfo->txrate.flags = txrate->flags;
1018 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1019
1020 /* offloading flows bypass networking stack, so driver counts and
1021 * reports sta statistics via NL80211_STA_INFO when WED is active.
1022 */
1023 if (mtk_wed_device_active(&phy->dev->mt76.mmio.wed)) {
1024 sinfo->tx_bytes = msta->wcid.stats.tx_bytes;
1025 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64);
1026
1027 sinfo->tx_packets = msta->wcid.stats.tx_packets;
1028 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1029
1030 sinfo->tx_failed = msta->wcid.stats.tx_failed;
1031 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1032
1033 sinfo->tx_retries = msta->wcid.stats.tx_retries;
1034 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
1035 }
1036 }
1037
mt7915_sta_rc_work(void * data,struct ieee80211_sta * sta)1038 static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta)
1039 {
1040 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1041 struct mt7915_dev *dev = msta->vif->phy->dev;
1042 u32 *changed = data;
1043
1044 spin_lock_bh(&dev->sta_poll_lock);
1045 msta->changed |= *changed;
1046 if (list_empty(&msta->rc_list))
1047 list_add_tail(&msta->rc_list, &dev->sta_rc_list);
1048 spin_unlock_bh(&dev->sta_poll_lock);
1049 }
1050
mt7915_sta_rc_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u32 changed)1051 static void mt7915_sta_rc_update(struct ieee80211_hw *hw,
1052 struct ieee80211_vif *vif,
1053 struct ieee80211_sta *sta,
1054 u32 changed)
1055 {
1056 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1057 struct mt7915_dev *dev = phy->dev;
1058
1059 mt7915_sta_rc_work(&changed, sta);
1060 ieee80211_queue_work(hw, &dev->rc_work);
1061 }
1062
1063 static int
mt7915_set_bitrate_mask(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const struct cfg80211_bitrate_mask * mask)1064 mt7915_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1065 const struct cfg80211_bitrate_mask *mask)
1066 {
1067 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1068 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1069 struct mt7915_dev *dev = phy->dev;
1070 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
1071
1072 mvif->bitrate_mask = *mask;
1073
1074 /* if multiple rates across different preambles are given we can
1075 * reconfigure this info with all peers using sta_rec command with
1076 * the below exception cases.
1077 * - single rate : if a rate is passed along with different preambles,
1078 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers.
1079 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT
1080 * then multiple MCS setting (MCS 4,5,6) is not supported.
1081 */
1082 ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed);
1083 ieee80211_queue_work(hw, &dev->rc_work);
1084
1085 return 0;
1086 }
1087
mt7915_sta_set_4addr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1088 static void mt7915_sta_set_4addr(struct ieee80211_hw *hw,
1089 struct ieee80211_vif *vif,
1090 struct ieee80211_sta *sta,
1091 bool enabled)
1092 {
1093 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1094 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1095
1096 if (enabled)
1097 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1098 else
1099 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1100
1101 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta);
1102 }
1103
mt7915_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1104 static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw,
1105 struct ieee80211_vif *vif,
1106 struct ieee80211_sta *sta,
1107 bool enabled)
1108 {
1109 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1110 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1111
1112 if (enabled)
1113 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1114 else
1115 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1116
1117 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta);
1118 }
1119
1120 static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = {
1121 "tx_ampdu_cnt",
1122 "tx_stop_q_empty_cnt",
1123 "tx_mpdu_attempts",
1124 "tx_mpdu_success",
1125 "tx_rwp_fail_cnt",
1126 "tx_rwp_need_cnt",
1127 "tx_pkt_ebf_cnt",
1128 "tx_pkt_ibf_cnt",
1129 "tx_ampdu_len:0-1",
1130 "tx_ampdu_len:2-10",
1131 "tx_ampdu_len:11-19",
1132 "tx_ampdu_len:20-28",
1133 "tx_ampdu_len:29-37",
1134 "tx_ampdu_len:38-46",
1135 "tx_ampdu_len:47-55",
1136 "tx_ampdu_len:56-79",
1137 "tx_ampdu_len:80-103",
1138 "tx_ampdu_len:104-127",
1139 "tx_ampdu_len:128-151",
1140 "tx_ampdu_len:152-175",
1141 "tx_ampdu_len:176-199",
1142 "tx_ampdu_len:200-223",
1143 "tx_ampdu_len:224-247",
1144 "ba_miss_count",
1145 "tx_beamformer_ppdu_iBF",
1146 "tx_beamformer_ppdu_eBF",
1147 "tx_beamformer_rx_feedback_all",
1148 "tx_beamformer_rx_feedback_he",
1149 "tx_beamformer_rx_feedback_vht",
1150 "tx_beamformer_rx_feedback_ht",
1151 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */
1152 "tx_beamformer_rx_feedback_nc",
1153 "tx_beamformer_rx_feedback_nr",
1154 "tx_beamformee_ok_feedback_pkts",
1155 "tx_beamformee_feedback_trig",
1156 "tx_mu_beamforming",
1157 "tx_mu_mpdu",
1158 "tx_mu_successful_mpdu",
1159 "tx_su_successful_mpdu",
1160 "tx_msdu_pack_1",
1161 "tx_msdu_pack_2",
1162 "tx_msdu_pack_3",
1163 "tx_msdu_pack_4",
1164 "tx_msdu_pack_5",
1165 "tx_msdu_pack_6",
1166 "tx_msdu_pack_7",
1167 "tx_msdu_pack_8",
1168
1169 /* rx counters */
1170 "rx_fifo_full_cnt",
1171 "rx_mpdu_cnt",
1172 "channel_idle_cnt",
1173 "primary_cca_busy_time",
1174 "secondary_cca_busy_time",
1175 "primary_energy_detect_time",
1176 "cck_mdrdy_time",
1177 "ofdm_mdrdy_time",
1178 "green_mdrdy_time",
1179 "rx_vector_mismatch_cnt",
1180 "rx_delimiter_fail_cnt",
1181 "rx_mrdy_cnt",
1182 "rx_len_mismatch_cnt",
1183 "rx_ampdu_cnt",
1184 "rx_ampdu_bytes_cnt",
1185 "rx_ampdu_valid_subframe_cnt",
1186 "rx_ampdu_valid_subframe_b_cnt",
1187 "rx_pfdrop_cnt",
1188 "rx_vec_queue_overflow_drop_cnt",
1189 "rx_ba_cnt",
1190
1191 /* per vif counters */
1192 "v_tx_mode_cck",
1193 "v_tx_mode_ofdm",
1194 "v_tx_mode_ht",
1195 "v_tx_mode_ht_gf",
1196 "v_tx_mode_vht",
1197 "v_tx_mode_he_su",
1198 "v_tx_mode_he_ext_su",
1199 "v_tx_mode_he_tb",
1200 "v_tx_mode_he_mu",
1201 "v_tx_bw_20",
1202 "v_tx_bw_40",
1203 "v_tx_bw_80",
1204 "v_tx_bw_160",
1205 "v_tx_mcs_0",
1206 "v_tx_mcs_1",
1207 "v_tx_mcs_2",
1208 "v_tx_mcs_3",
1209 "v_tx_mcs_4",
1210 "v_tx_mcs_5",
1211 "v_tx_mcs_6",
1212 "v_tx_mcs_7",
1213 "v_tx_mcs_8",
1214 "v_tx_mcs_9",
1215 "v_tx_mcs_10",
1216 "v_tx_mcs_11",
1217 };
1218
1219 #define MT7915_SSTATS_LEN ARRAY_SIZE(mt7915_gstrings_stats)
1220
1221 /* Ethtool related API */
1222 static
mt7915_get_et_strings(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 sset,u8 * data)1223 void mt7915_get_et_strings(struct ieee80211_hw *hw,
1224 struct ieee80211_vif *vif,
1225 u32 sset, u8 *data)
1226 {
1227 if (sset == ETH_SS_STATS)
1228 memcpy(data, *mt7915_gstrings_stats,
1229 sizeof(mt7915_gstrings_stats));
1230 }
1231
1232 static
mt7915_get_et_sset_count(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int sset)1233 int mt7915_get_et_sset_count(struct ieee80211_hw *hw,
1234 struct ieee80211_vif *vif, int sset)
1235 {
1236 if (sset == ETH_SS_STATS)
1237 return MT7915_SSTATS_LEN;
1238
1239 return 0;
1240 }
1241
mt7915_ethtool_worker(void * wi_data,struct ieee80211_sta * sta)1242 static void mt7915_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1243 {
1244 struct mt76_ethtool_worker_info *wi = wi_data;
1245 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1246
1247 if (msta->vif->mt76.idx != wi->idx)
1248 return;
1249
1250 mt76_ethtool_worker(wi, &msta->wcid.stats);
1251 }
1252
1253 static
mt7915_get_et_stats(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ethtool_stats * stats,u64 * data)1254 void mt7915_get_et_stats(struct ieee80211_hw *hw,
1255 struct ieee80211_vif *vif,
1256 struct ethtool_stats *stats, u64 *data)
1257 {
1258 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1259 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1260 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1261 struct mt76_ethtool_worker_info wi = {
1262 .data = data,
1263 .idx = mvif->mt76.idx,
1264 };
1265 struct mib_stats *mib = &phy->mib;
1266 /* See mt7915_ampdu_stat_read_phy, etc */
1267 int i, n, ei = 0;
1268
1269 mutex_lock(&dev->mt76.mutex);
1270
1271 mt7915_mac_update_stats(phy);
1272
1273 data[ei++] = mib->tx_ampdu_cnt;
1274 data[ei++] = mib->tx_stop_q_empty_cnt;
1275 data[ei++] = mib->tx_mpdu_attempts_cnt;
1276 data[ei++] = mib->tx_mpdu_success_cnt;
1277 data[ei++] = mib->tx_rwp_fail_cnt;
1278 data[ei++] = mib->tx_rwp_need_cnt;
1279 data[ei++] = mib->tx_pkt_ebf_cnt;
1280 data[ei++] = mib->tx_pkt_ibf_cnt;
1281
1282 /* Tx ampdu stat */
1283 n = phy->band_idx ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
1284 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++)
1285 data[ei++] = dev->mt76.aggr_stats[i + n];
1286
1287 data[ei++] = phy->mib.ba_miss_cnt;
1288
1289 /* Tx Beamformer monitor */
1290 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1291 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1292
1293 /* Tx Beamformer Rx feedback monitor */
1294 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1295 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1296 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1297 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1298
1299 data[ei++] = mib->tx_bf_rx_fb_bw;
1300 data[ei++] = mib->tx_bf_rx_fb_nc_cnt;
1301 data[ei++] = mib->tx_bf_rx_fb_nr_cnt;
1302
1303 /* Tx Beamformee Rx NDPA & Tx feedback report */
1304 data[ei++] = mib->tx_bf_fb_cpl_cnt;
1305 data[ei++] = mib->tx_bf_fb_trig_cnt;
1306
1307 /* Tx SU & MU counters */
1308 data[ei++] = mib->tx_bf_cnt;
1309 data[ei++] = mib->tx_mu_mpdu_cnt;
1310 data[ei++] = mib->tx_mu_acked_mpdu_cnt;
1311 data[ei++] = mib->tx_su_acked_mpdu_cnt;
1312
1313 /* Tx amsdu info (pack-count histogram) */
1314 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1315 data[ei++] = mib->tx_amsdu[i];
1316
1317 /* rx counters */
1318 data[ei++] = mib->rx_fifo_full_cnt;
1319 data[ei++] = mib->rx_mpdu_cnt;
1320 data[ei++] = mib->channel_idle_cnt;
1321 data[ei++] = mib->primary_cca_busy_time;
1322 data[ei++] = mib->secondary_cca_busy_time;
1323 data[ei++] = mib->primary_energy_detect_time;
1324 data[ei++] = mib->cck_mdrdy_time;
1325 data[ei++] = mib->ofdm_mdrdy_time;
1326 data[ei++] = mib->green_mdrdy_time;
1327 data[ei++] = mib->rx_vector_mismatch_cnt;
1328 data[ei++] = mib->rx_delimiter_fail_cnt;
1329 data[ei++] = mib->rx_mrdy_cnt;
1330 data[ei++] = mib->rx_len_mismatch_cnt;
1331 data[ei++] = mib->rx_ampdu_cnt;
1332 data[ei++] = mib->rx_ampdu_bytes_cnt;
1333 data[ei++] = mib->rx_ampdu_valid_subframe_cnt;
1334 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt;
1335 data[ei++] = mib->rx_pfdrop_cnt;
1336 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
1337 data[ei++] = mib->rx_ba_cnt;
1338
1339 /* Add values for all stations owned by this vif */
1340 wi.initial_stat_idx = ei;
1341 ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi);
1342
1343 mutex_unlock(&dev->mt76.mutex);
1344
1345 if (wi.sta_count == 0)
1346 return;
1347
1348 ei += wi.worker_stat_count;
1349 if (ei != MT7915_SSTATS_LEN)
1350 dev_err(dev->mt76.dev, "ei: %d MT7915_SSTATS_LEN: %d",
1351 ei, (int)MT7915_SSTATS_LEN);
1352 }
1353
1354 static void
mt7915_twt_teardown_request(struct ieee80211_hw * hw,struct ieee80211_sta * sta,u8 flowid)1355 mt7915_twt_teardown_request(struct ieee80211_hw *hw,
1356 struct ieee80211_sta *sta,
1357 u8 flowid)
1358 {
1359 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1360 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1361
1362 mutex_lock(&dev->mt76.mutex);
1363 mt7915_mac_twt_teardown_flow(dev, msta, flowid);
1364 mutex_unlock(&dev->mt76.mutex);
1365 }
1366
1367 static int
mt7915_set_radar_background(struct ieee80211_hw * hw,struct cfg80211_chan_def * chandef)1368 mt7915_set_radar_background(struct ieee80211_hw *hw,
1369 struct cfg80211_chan_def *chandef)
1370 {
1371 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1372 struct mt7915_dev *dev = phy->dev;
1373 int ret = -EINVAL;
1374 bool running;
1375
1376 mutex_lock(&dev->mt76.mutex);
1377
1378 if (dev->mt76.region == NL80211_DFS_UNSET)
1379 goto out;
1380
1381 if (dev->rdd2_phy && dev->rdd2_phy != phy) {
1382 /* rdd2 is already locked */
1383 ret = -EBUSY;
1384 goto out;
1385 }
1386
1387 /* rdd2 already configured on a radar channel */
1388 running = dev->rdd2_phy &&
1389 cfg80211_chandef_valid(&dev->rdd2_chandef) &&
1390 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR);
1391
1392 if (!chandef || running ||
1393 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) {
1394 ret = mt7915_mcu_rdd_background_enable(phy, NULL);
1395 if (ret)
1396 goto out;
1397
1398 if (!running)
1399 goto update_phy;
1400 }
1401
1402 ret = mt7915_mcu_rdd_background_enable(phy, chandef);
1403 if (ret)
1404 goto out;
1405
1406 update_phy:
1407 dev->rdd2_phy = chandef ? phy : NULL;
1408 if (chandef)
1409 dev->rdd2_chandef = *chandef;
1410 out:
1411 mutex_unlock(&dev->mt76.mutex);
1412
1413 return ret;
1414 }
1415
1416 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
1417 static int
mt7915_net_fill_forward_path(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct net_device_path_ctx * ctx,struct net_device_path * path)1418 mt7915_net_fill_forward_path(struct ieee80211_hw *hw,
1419 struct ieee80211_vif *vif,
1420 struct ieee80211_sta *sta,
1421 struct net_device_path_ctx *ctx,
1422 struct net_device_path *path)
1423 {
1424 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1425 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1426 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1427 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1428 struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
1429
1430 if (!mtk_wed_device_active(wed))
1431 return -ENODEV;
1432
1433 if (msta->wcid.idx > 0xff)
1434 return -EIO;
1435
1436 path->type = DEV_PATH_MTK_WDMA;
1437 path->dev = ctx->dev;
1438 path->mtk_wdma.wdma_idx = wed->wdma_idx;
1439 path->mtk_wdma.bss = mvif->mt76.idx;
1440 path->mtk_wdma.wcid = msta->wcid.idx;
1441 path->mtk_wdma.queue = phy != &dev->phy;
1442
1443 ctx->dev = NULL;
1444
1445 return 0;
1446 }
1447 #endif
1448
1449 const struct ieee80211_ops mt7915_ops = {
1450 .tx = mt7915_tx,
1451 .start = mt7915_start,
1452 .stop = mt7915_stop,
1453 .add_interface = mt7915_add_interface,
1454 .remove_interface = mt7915_remove_interface,
1455 .config = mt7915_config,
1456 .conf_tx = mt7915_conf_tx,
1457 .configure_filter = mt7915_configure_filter,
1458 .bss_info_changed = mt7915_bss_info_changed,
1459 .sta_add = mt7915_sta_add,
1460 .sta_remove = mt7915_sta_remove,
1461 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1462 .sta_rc_update = mt7915_sta_rc_update,
1463 .set_key = mt7915_set_key,
1464 .ampdu_action = mt7915_ampdu_action,
1465 .set_rts_threshold = mt7915_set_rts_threshold,
1466 .wake_tx_queue = mt76_wake_tx_queue,
1467 .sw_scan_start = mt76_sw_scan,
1468 .sw_scan_complete = mt76_sw_scan_complete,
1469 .release_buffered_frames = mt76_release_buffered_frames,
1470 .get_txpower = mt76_get_txpower,
1471 .set_sar_specs = mt7915_set_sar_specs,
1472 .channel_switch_beacon = mt7915_channel_switch_beacon,
1473 .get_stats = mt7915_get_stats,
1474 .get_et_sset_count = mt7915_get_et_sset_count,
1475 .get_et_stats = mt7915_get_et_stats,
1476 .get_et_strings = mt7915_get_et_strings,
1477 .get_tsf = mt7915_get_tsf,
1478 .set_tsf = mt7915_set_tsf,
1479 .offset_tsf = mt7915_offset_tsf,
1480 .get_survey = mt76_get_survey,
1481 .get_antenna = mt76_get_antenna,
1482 .set_antenna = mt7915_set_antenna,
1483 .set_bitrate_mask = mt7915_set_bitrate_mask,
1484 .set_coverage_class = mt7915_set_coverage_class,
1485 .sta_statistics = mt7915_sta_statistics,
1486 .sta_set_4addr = mt7915_sta_set_4addr,
1487 .sta_set_decap_offload = mt7915_sta_set_decap_offload,
1488 .add_twt_setup = mt7915_mac_add_twt_setup,
1489 .twt_teardown_request = mt7915_twt_teardown_request,
1490 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1491 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1492 #ifdef CONFIG_MAC80211_DEBUGFS
1493 .sta_add_debugfs = mt7915_sta_add_debugfs,
1494 #endif
1495 .set_radar_background = mt7915_set_radar_background,
1496 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
1497 .net_fill_forward_path = mt7915_net_fill_forward_path,
1498 #endif
1499 };
1500