1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2022 MediaTek Inc.
4 */
5
6 #include "mt7996.h"
7 #include "mcu.h"
8 #include "mac.h"
9
mt7996_dev_running(struct mt7996_dev * dev)10 static bool mt7996_dev_running(struct mt7996_dev *dev)
11 {
12 struct mt7996_phy *phy;
13
14 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
15 return true;
16
17 phy = mt7996_phy2(dev);
18 if (phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
19 return true;
20
21 phy = mt7996_phy3(dev);
22
23 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
24 }
25
mt7996_run(struct ieee80211_hw * hw)26 int mt7996_run(struct ieee80211_hw *hw)
27 {
28 struct mt7996_dev *dev = mt7996_hw_dev(hw);
29 struct mt7996_phy *phy = mt7996_hw_phy(hw);
30 bool running;
31 int ret;
32
33 running = mt7996_dev_running(dev);
34 if (!running) {
35 ret = mt7996_mcu_set_hdr_trans(dev, true);
36 if (ret)
37 goto out;
38 }
39
40 mt7996_mac_enable_nf(dev, phy->mt76->band_idx);
41
42 ret = mt7996_mcu_set_rts_thresh(phy, 0x92b);
43 if (ret)
44 goto out;
45
46 ret = mt7996_mcu_set_radio_en(phy, true);
47 if (ret)
48 goto out;
49
50 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH);
51 if (ret)
52 goto out;
53
54 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
55
56 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
57 MT7996_WATCHDOG_TIME);
58
59 if (!running)
60 mt7996_mac_reset_counters(phy);
61
62 out:
63 return ret;
64 }
65
mt7996_start(struct ieee80211_hw * hw)66 static int mt7996_start(struct ieee80211_hw *hw)
67 {
68 struct mt7996_dev *dev = mt7996_hw_dev(hw);
69 int ret;
70
71 flush_work(&dev->init_work);
72
73 mutex_lock(&dev->mt76.mutex);
74 ret = mt7996_run(hw);
75 mutex_unlock(&dev->mt76.mutex);
76
77 return ret;
78 }
79
mt7996_stop(struct ieee80211_hw * hw)80 static void mt7996_stop(struct ieee80211_hw *hw)
81 {
82 struct mt7996_dev *dev = mt7996_hw_dev(hw);
83 struct mt7996_phy *phy = mt7996_hw_phy(hw);
84
85 cancel_delayed_work_sync(&phy->mt76->mac_work);
86
87 mutex_lock(&dev->mt76.mutex);
88
89 mt7996_mcu_set_radio_en(phy, false);
90
91 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
92
93 mutex_unlock(&dev->mt76.mutex);
94 }
95
get_free_idx(u32 mask,u8 start,u8 end)96 static inline int get_free_idx(u32 mask, u8 start, u8 end)
97 {
98 return ffs(~mask & GENMASK(end, start));
99 }
100
get_omac_idx(enum nl80211_iftype type,u64 mask)101 static int get_omac_idx(enum nl80211_iftype type, u64 mask)
102 {
103 int i;
104
105 switch (type) {
106 case NL80211_IFTYPE_MESH_POINT:
107 case NL80211_IFTYPE_ADHOC:
108 case NL80211_IFTYPE_STATION:
109 /* prefer hw bssid slot 1-3 */
110 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
111 if (i)
112 return i - 1;
113
114 if (type != NL80211_IFTYPE_STATION)
115 break;
116
117 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
118 if (i)
119 return i - 1;
120
121 if (~mask & BIT(HW_BSSID_0))
122 return HW_BSSID_0;
123
124 break;
125 case NL80211_IFTYPE_MONITOR:
126 case NL80211_IFTYPE_AP:
127 /* ap uses hw bssid 0 and ext bssid */
128 if (~mask & BIT(HW_BSSID_0))
129 return HW_BSSID_0;
130
131 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
132 if (i)
133 return i - 1;
134
135 break;
136 default:
137 WARN_ON(1);
138 break;
139 }
140
141 return -1;
142 }
143
mt7996_init_bitrate_mask(struct ieee80211_vif * vif)144 static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif)
145 {
146 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
147 int i;
148
149 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) {
150 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI;
151 mvif->bitrate_mask.control[i].he_gi = 0xff;
152 mvif->bitrate_mask.control[i].he_ltf = 0xff;
153 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0);
154 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff,
155 sizeof(mvif->bitrate_mask.control[i].ht_mcs));
156 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff,
157 sizeof(mvif->bitrate_mask.control[i].vht_mcs));
158 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff,
159 sizeof(mvif->bitrate_mask.control[i].he_mcs));
160 }
161 }
162
mt7996_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)163 static int mt7996_add_interface(struct ieee80211_hw *hw,
164 struct ieee80211_vif *vif)
165 {
166 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
167 struct mt7996_dev *dev = mt7996_hw_dev(hw);
168 struct mt7996_phy *phy = mt7996_hw_phy(hw);
169 struct mt76_txq *mtxq;
170 u8 band_idx = phy->mt76->band_idx;
171 int idx, ret = 0;
172
173 mutex_lock(&dev->mt76.mutex);
174
175 if (vif->type == NL80211_IFTYPE_MONITOR &&
176 is_zero_ether_addr(vif->addr))
177 phy->monitor_vif = vif;
178
179 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
180 if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) {
181 ret = -ENOSPC;
182 goto out;
183 }
184
185 idx = get_omac_idx(vif->type, phy->omac_mask);
186 if (idx < 0) {
187 ret = -ENOSPC;
188 goto out;
189 }
190 mvif->mt76.omac_idx = idx;
191 mvif->phy = phy;
192 mvif->mt76.band_idx = band_idx;
193 mvif->mt76.wmm_idx = band_idx;
194
195 ret = mt7996_mcu_add_dev_info(phy, vif, true);
196 if (ret)
197 goto out;
198
199 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
200 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
201
202 idx = MT7996_WTBL_RESERVED - mvif->mt76.idx;
203
204 INIT_LIST_HEAD(&mvif->sta.rc_list);
205 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
206 mvif->sta.wcid.idx = idx;
207 mvif->sta.wcid.phy_idx = band_idx;
208 mvif->sta.wcid.hw_key_idx = -1;
209 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
210 mt76_packet_id_init(&mvif->sta.wcid);
211
212 mt7996_mac_wtbl_update(dev, idx,
213 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
214
215 if (vif->txq) {
216 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
217 mtxq->wcid = idx;
218 }
219
220 if (vif->type != NL80211_IFTYPE_AP &&
221 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3))
222 vif->offload_flags = 0;
223 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
224
225 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
226 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL + 4;
227 else
228 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL;
229
230 mt7996_init_bitrate_mask(vif);
231
232 mt7996_mcu_add_bss_info(phy, vif, true);
233 mt7996_mcu_add_sta(dev, vif, NULL, true);
234 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
235
236 out:
237 mutex_unlock(&dev->mt76.mutex);
238
239 return ret;
240 }
241
mt7996_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)242 static void mt7996_remove_interface(struct ieee80211_hw *hw,
243 struct ieee80211_vif *vif)
244 {
245 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
246 struct mt7996_sta *msta = &mvif->sta;
247 struct mt7996_dev *dev = mt7996_hw_dev(hw);
248 struct mt7996_phy *phy = mt7996_hw_phy(hw);
249 int idx = msta->wcid.idx;
250
251 mt7996_mcu_add_bss_info(phy, vif, false);
252 mt7996_mcu_add_sta(dev, vif, NULL, false);
253
254 if (vif == phy->monitor_vif)
255 phy->monitor_vif = NULL;
256
257 mt7996_mcu_add_dev_info(phy, vif, false);
258
259 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
260
261 mutex_lock(&dev->mt76.mutex);
262 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
263 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
264 mutex_unlock(&dev->mt76.mutex);
265
266 spin_lock_bh(&dev->mt76.sta_poll_lock);
267 if (!list_empty(&msta->wcid.poll_list))
268 list_del_init(&msta->wcid.poll_list);
269 spin_unlock_bh(&dev->mt76.sta_poll_lock);
270
271 mt76_packet_id_flush(&dev->mt76, &msta->wcid);
272 }
273
mt7996_set_channel(struct mt7996_phy * phy)274 int mt7996_set_channel(struct mt7996_phy *phy)
275 {
276 struct mt7996_dev *dev = phy->dev;
277 int ret;
278
279 cancel_delayed_work_sync(&phy->mt76->mac_work);
280
281 mutex_lock(&dev->mt76.mutex);
282 set_bit(MT76_RESET, &phy->mt76->state);
283
284 mt76_set_channel(phy->mt76);
285
286 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH);
287 if (ret)
288 goto out;
289
290 ret = mt7996_dfs_init_radar_detector(phy);
291 mt7996_mac_cca_stats_reset(phy);
292
293 mt7996_mac_reset_counters(phy);
294 phy->noise = 0;
295
296 out:
297 clear_bit(MT76_RESET, &phy->mt76->state);
298 mutex_unlock(&dev->mt76.mutex);
299
300 mt76_txq_schedule_all(phy->mt76);
301
302 ieee80211_queue_delayed_work(phy->mt76->hw,
303 &phy->mt76->mac_work,
304 MT7996_WATCHDOG_TIME);
305
306 return ret;
307 }
308
mt7996_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)309 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
310 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
311 struct ieee80211_key_conf *key)
312 {
313 struct mt7996_dev *dev = mt7996_hw_dev(hw);
314 struct mt7996_phy *phy = mt7996_hw_phy(hw);
315 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
316 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv :
317 &mvif->sta;
318 struct mt76_wcid *wcid = &msta->wcid;
319 u8 *wcid_keyidx = &wcid->hw_key_idx;
320 int idx = key->keyidx;
321 int err = 0;
322
323 /* The hardware does not support per-STA RX GTK, fallback
324 * to software mode for these.
325 */
326 if ((vif->type == NL80211_IFTYPE_ADHOC ||
327 vif->type == NL80211_IFTYPE_MESH_POINT) &&
328 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
329 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
330 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
331 return -EOPNOTSUPP;
332
333 /* fall back to sw encryption for unsupported ciphers */
334 switch (key->cipher) {
335 case WLAN_CIPHER_SUITE_AES_CMAC:
336 wcid_keyidx = &wcid->hw_key_idx2;
337 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
338 break;
339 case WLAN_CIPHER_SUITE_TKIP:
340 case WLAN_CIPHER_SUITE_CCMP:
341 case WLAN_CIPHER_SUITE_CCMP_256:
342 case WLAN_CIPHER_SUITE_GCMP:
343 case WLAN_CIPHER_SUITE_GCMP_256:
344 case WLAN_CIPHER_SUITE_SMS4:
345 break;
346 case WLAN_CIPHER_SUITE_WEP40:
347 case WLAN_CIPHER_SUITE_WEP104:
348 default:
349 return -EOPNOTSUPP;
350 }
351
352 mutex_lock(&dev->mt76.mutex);
353
354 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
355 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
356 mt7996_mcu_add_bss_info(phy, vif, true);
357 }
358
359 if (cmd == SET_KEY) {
360 *wcid_keyidx = idx;
361 } else {
362 if (idx == *wcid_keyidx)
363 *wcid_keyidx = -1;
364 goto out;
365 }
366
367 mt76_wcid_key_setup(&dev->mt76, wcid, key);
368 err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip,
369 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
370 &msta->wcid, cmd);
371 out:
372 mutex_unlock(&dev->mt76.mutex);
373
374 return err;
375 }
376
mt7996_config(struct ieee80211_hw * hw,u32 changed)377 static int mt7996_config(struct ieee80211_hw *hw, u32 changed)
378 {
379 struct mt7996_dev *dev = mt7996_hw_dev(hw);
380 struct mt7996_phy *phy = mt7996_hw_phy(hw);
381 int ret;
382
383 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
384 ieee80211_stop_queues(hw);
385 ret = mt7996_set_channel(phy);
386 if (ret)
387 return ret;
388 ieee80211_wake_queues(hw);
389 }
390
391 mutex_lock(&dev->mt76.mutex);
392
393 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
394 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
395
396 if (!enabled)
397 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
398 else
399 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
400
401 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx),
402 MT_DMA_DCR0_RXD_G5_EN, enabled);
403 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
404 }
405
406 mutex_unlock(&dev->mt76.mutex);
407
408 return 0;
409 }
410
411 static int
mt7996_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)412 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
413 unsigned int link_id, u16 queue,
414 const struct ieee80211_tx_queue_params *params)
415 {
416 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
417
418 /* no need to update right away, we'll get BSS_CHANGED_QOS */
419 queue = mt76_connac_lmac_mapping(queue);
420 mvif->queue_params[queue] = *params;
421
422 return 0;
423 }
424
mt7996_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)425 static void mt7996_configure_filter(struct ieee80211_hw *hw,
426 unsigned int changed_flags,
427 unsigned int *total_flags,
428 u64 multicast)
429 {
430 struct mt7996_dev *dev = mt7996_hw_dev(hw);
431 struct mt7996_phy *phy = mt7996_hw_phy(hw);
432 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
433 MT_WF_RFCR1_DROP_BF_POLL |
434 MT_WF_RFCR1_DROP_BA |
435 MT_WF_RFCR1_DROP_CFEND |
436 MT_WF_RFCR1_DROP_CFACK;
437 u32 flags = 0;
438
439 #define MT76_FILTER(_flag, _hw) do { \
440 flags |= *total_flags & FIF_##_flag; \
441 phy->rxfilter &= ~(_hw); \
442 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
443 } while (0)
444
445 mutex_lock(&dev->mt76.mutex);
446
447 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
448 MT_WF_RFCR_DROP_OTHER_BEACON |
449 MT_WF_RFCR_DROP_FRAME_REPORT |
450 MT_WF_RFCR_DROP_PROBEREQ |
451 MT_WF_RFCR_DROP_MCAST_FILTERED |
452 MT_WF_RFCR_DROP_MCAST |
453 MT_WF_RFCR_DROP_BCAST |
454 MT_WF_RFCR_DROP_DUPLICATE |
455 MT_WF_RFCR_DROP_A2_BSSID |
456 MT_WF_RFCR_DROP_UNWANTED_CTL |
457 MT_WF_RFCR_DROP_STBC_MULTI);
458
459 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
460 MT_WF_RFCR_DROP_A3_MAC |
461 MT_WF_RFCR_DROP_A3_BSSID);
462
463 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
464
465 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
466 MT_WF_RFCR_DROP_RTS |
467 MT_WF_RFCR_DROP_CTL_RSV |
468 MT_WF_RFCR_DROP_NDPA);
469
470 *total_flags = flags;
471 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
472
473 if (*total_flags & FIF_CONTROL)
474 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
475 else
476 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
477
478 mutex_unlock(&dev->mt76.mutex);
479 }
480
481 static void
mt7996_update_bss_color(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_he_bss_color * bss_color)482 mt7996_update_bss_color(struct ieee80211_hw *hw,
483 struct ieee80211_vif *vif,
484 struct cfg80211_he_bss_color *bss_color)
485 {
486 struct mt7996_dev *dev = mt7996_hw_dev(hw);
487
488 switch (vif->type) {
489 case NL80211_IFTYPE_AP: {
490 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
491
492 if (mvif->mt76.omac_idx > HW_BSSID_MAX)
493 return;
494 fallthrough;
495 }
496 case NL80211_IFTYPE_STATION:
497 mt7996_mcu_update_bss_color(dev, vif, bss_color);
498 break;
499 default:
500 break;
501 }
502 }
503
504 static u8
mt7996_get_rates_table(struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool beacon,bool mcast)505 mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
506 bool beacon, bool mcast)
507 {
508 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
509 struct mt76_phy *mphy = hw->priv;
510 u16 rate;
511 u8 i, idx, ht;
512
513 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
514 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
515
516 if (beacon && ht) {
517 struct mt7996_dev *dev = mt7996_hw_dev(hw);
518
519 /* must odd index */
520 idx = MT7996_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
521 mt7996_mac_set_fixed_rate_table(dev, idx, rate);
522 return idx;
523 }
524
525 idx = FIELD_GET(MT_TX_RATE_IDX, rate);
526 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
527 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
528 return MT7996_BASIC_RATES_TBL + i;
529
530 return mvif->basic_rates_idx;
531 }
532
533 static void
mt7996_update_mu_group(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info)534 mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
535 struct ieee80211_bss_conf *info)
536 {
537 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
538 struct mt7996_dev *dev = mt7996_hw_dev(hw);
539 u8 band = mvif->mt76.band_idx;
540 u32 *mu;
541
542 mu = (u32 *)info->mu_group.membership;
543 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]);
544 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]);
545
546 mu = (u32 *)info->mu_group.position;
547 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]);
548 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]);
549 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]);
550 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]);
551 }
552
mt7996_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)553 static void mt7996_bss_info_changed(struct ieee80211_hw *hw,
554 struct ieee80211_vif *vif,
555 struct ieee80211_bss_conf *info,
556 u64 changed)
557 {
558 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
559 struct mt7996_phy *phy = mt7996_hw_phy(hw);
560 struct mt7996_dev *dev = mt7996_hw_dev(hw);
561
562 mutex_lock(&dev->mt76.mutex);
563
564 /* station mode uses BSSID to map the wlan entry to a peer,
565 * and then peer references bss_info_rfch to set bandwidth cap.
566 */
567 if (changed & BSS_CHANGED_BSSID &&
568 vif->type == NL80211_IFTYPE_STATION) {
569 bool join = !is_zero_ether_addr(info->bssid);
570
571 mt7996_mcu_add_bss_info(phy, vif, join);
572 mt7996_mcu_add_sta(dev, vif, NULL, join);
573 }
574
575 if (changed & BSS_CHANGED_ASSOC)
576 mt7996_mcu_add_bss_info(phy, vif, vif->cfg.assoc);
577
578 if (changed & BSS_CHANGED_ERP_CTS_PROT)
579 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot);
580
581 if (changed & BSS_CHANGED_ERP_SLOT) {
582 int slottime = info->use_short_slot ? 9 : 20;
583
584 if (slottime != phy->slottime) {
585 phy->slottime = slottime;
586 mt7996_mcu_set_timing(phy, vif);
587 }
588 }
589
590 if (changed & BSS_CHANGED_MCAST_RATE)
591 mvif->mcast_rates_idx =
592 mt7996_get_rates_table(hw, vif, false, true);
593
594 if (changed & BSS_CHANGED_BASIC_RATES)
595 mvif->basic_rates_idx =
596 mt7996_get_rates_table(hw, vif, false, false);
597
598 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
599 mt7996_mcu_add_bss_info(phy, vif, true);
600 mt7996_mcu_add_sta(dev, vif, NULL, true);
601 }
602
603 /* ensure that enable txcmd_mode after bss_info */
604 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
605 mt7996_mcu_set_tx(dev, vif);
606
607 if (changed & BSS_CHANGED_HE_OBSS_PD)
608 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd);
609
610 if (changed & BSS_CHANGED_HE_BSS_COLOR)
611 mt7996_update_bss_color(hw, vif, &info->he_bss_color);
612
613 if (changed & (BSS_CHANGED_BEACON |
614 BSS_CHANGED_BEACON_ENABLED)) {
615 mvif->beacon_rates_idx =
616 mt7996_get_rates_table(hw, vif, true, false);
617
618 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon);
619 }
620
621 if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP ||
622 changed & BSS_CHANGED_FILS_DISCOVERY)
623 mt7996_mcu_beacon_inband_discov(dev, vif, changed);
624
625 if (changed & BSS_CHANGED_MU_GROUPS)
626 mt7996_update_mu_group(hw, vif, info);
627
628 mutex_unlock(&dev->mt76.mutex);
629 }
630
631 static void
mt7996_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)632 mt7996_channel_switch_beacon(struct ieee80211_hw *hw,
633 struct ieee80211_vif *vif,
634 struct cfg80211_chan_def *chandef)
635 {
636 struct mt7996_dev *dev = mt7996_hw_dev(hw);
637
638 mutex_lock(&dev->mt76.mutex);
639 mt7996_mcu_add_beacon(hw, vif, true);
640 mutex_unlock(&dev->mt76.mutex);
641 }
642
mt7996_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)643 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
644 struct ieee80211_sta *sta)
645 {
646 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
647 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
648 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
649 u8 band_idx = mvif->phy->mt76->band_idx;
650 int ret, idx;
651
652 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA);
653 if (idx < 0)
654 return -ENOSPC;
655
656 INIT_LIST_HEAD(&msta->rc_list);
657 INIT_LIST_HEAD(&msta->wcid.poll_list);
658 msta->vif = mvif;
659 msta->wcid.sta = 1;
660 msta->wcid.idx = idx;
661 msta->wcid.phy_idx = band_idx;
662 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
663 msta->jiffies = jiffies;
664
665 ewma_avg_signal_init(&msta->avg_ack_signal);
666
667 mt7996_mac_wtbl_update(dev, idx,
668 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
669
670 ret = mt7996_mcu_add_sta(dev, vif, sta, true);
671 if (ret)
672 return ret;
673
674 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false);
675 }
676
mt7996_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)677 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
678 struct ieee80211_sta *sta)
679 {
680 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
681 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
682 int i;
683
684 mt7996_mcu_add_sta(dev, vif, sta, false);
685
686 mt7996_mac_wtbl_update(dev, msta->wcid.idx,
687 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
688
689 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++)
690 mt7996_mac_twt_teardown_flow(dev, msta, i);
691
692 spin_lock_bh(&mdev->sta_poll_lock);
693 if (!list_empty(&msta->wcid.poll_list))
694 list_del_init(&msta->wcid.poll_list);
695 if (!list_empty(&msta->rc_list))
696 list_del_init(&msta->rc_list);
697 spin_unlock_bh(&mdev->sta_poll_lock);
698 }
699
mt7996_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)700 static void mt7996_tx(struct ieee80211_hw *hw,
701 struct ieee80211_tx_control *control,
702 struct sk_buff *skb)
703 {
704 struct mt7996_dev *dev = mt7996_hw_dev(hw);
705 struct mt76_phy *mphy = hw->priv;
706 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
707 struct ieee80211_vif *vif = info->control.vif;
708 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
709
710 if (control->sta) {
711 struct mt7996_sta *sta;
712
713 sta = (struct mt7996_sta *)control->sta->drv_priv;
714 wcid = &sta->wcid;
715 }
716
717 if (vif && !control->sta) {
718 struct mt7996_vif *mvif;
719
720 mvif = (struct mt7996_vif *)vif->drv_priv;
721 wcid = &mvif->sta.wcid;
722 }
723
724 mt76_tx(mphy, control->sta, wcid, skb);
725 }
726
mt7996_set_rts_threshold(struct ieee80211_hw * hw,u32 val)727 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
728 {
729 struct mt7996_phy *phy = mt7996_hw_phy(hw);
730 int ret;
731
732 mutex_lock(&phy->dev->mt76.mutex);
733 ret = mt7996_mcu_set_rts_thresh(phy, val);
734 mutex_unlock(&phy->dev->mt76.mutex);
735
736 return ret;
737 }
738
739 static int
mt7996_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)740 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
741 struct ieee80211_ampdu_params *params)
742 {
743 enum ieee80211_ampdu_mlme_action action = params->action;
744 struct mt7996_dev *dev = mt7996_hw_dev(hw);
745 struct ieee80211_sta *sta = params->sta;
746 struct ieee80211_txq *txq = sta->txq[params->tid];
747 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
748 u16 tid = params->tid;
749 u16 ssn = params->ssn;
750 struct mt76_txq *mtxq;
751 int ret = 0;
752
753 if (!txq)
754 return -EINVAL;
755
756 mtxq = (struct mt76_txq *)txq->drv_priv;
757
758 mutex_lock(&dev->mt76.mutex);
759 switch (action) {
760 case IEEE80211_AMPDU_RX_START:
761 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
762 params->buf_size);
763 ret = mt7996_mcu_add_rx_ba(dev, params, true);
764 break;
765 case IEEE80211_AMPDU_RX_STOP:
766 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
767 ret = mt7996_mcu_add_rx_ba(dev, params, false);
768 break;
769 case IEEE80211_AMPDU_TX_OPERATIONAL:
770 mtxq->aggr = true;
771 mtxq->send_bar = false;
772 ret = mt7996_mcu_add_tx_ba(dev, params, true);
773 break;
774 case IEEE80211_AMPDU_TX_STOP_FLUSH:
775 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
776 mtxq->aggr = false;
777 clear_bit(tid, &msta->wcid.ampdu_state);
778 ret = mt7996_mcu_add_tx_ba(dev, params, false);
779 break;
780 case IEEE80211_AMPDU_TX_START:
781 set_bit(tid, &msta->wcid.ampdu_state);
782 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
783 break;
784 case IEEE80211_AMPDU_TX_STOP_CONT:
785 mtxq->aggr = false;
786 clear_bit(tid, &msta->wcid.ampdu_state);
787 ret = mt7996_mcu_add_tx_ba(dev, params, false);
788 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
789 break;
790 }
791 mutex_unlock(&dev->mt76.mutex);
792
793 return ret;
794 }
795
796 static int
mt7996_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)797 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
798 struct ieee80211_sta *sta)
799 {
800 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
801 IEEE80211_STA_NONE);
802 }
803
804 static int
mt7996_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)805 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
806 struct ieee80211_sta *sta)
807 {
808 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
809 IEEE80211_STA_NOTEXIST);
810 }
811
812 static int
mt7996_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)813 mt7996_get_stats(struct ieee80211_hw *hw,
814 struct ieee80211_low_level_stats *stats)
815 {
816 struct mt7996_phy *phy = mt7996_hw_phy(hw);
817 struct mt7996_dev *dev = mt7996_hw_dev(hw);
818 struct mt76_mib_stats *mib = &phy->mib;
819
820 mutex_lock(&dev->mt76.mutex);
821
822 stats->dot11RTSSuccessCount = mib->rts_cnt;
823 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
824 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
825 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
826
827 mutex_unlock(&dev->mt76.mutex);
828
829 return 0;
830 }
831
__mt7996_get_tsf(struct ieee80211_hw * hw,struct mt7996_vif * mvif)832 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif)
833 {
834 struct mt7996_dev *dev = mt7996_hw_dev(hw);
835 struct mt7996_phy *phy = mt7996_hw_phy(hw);
836 union {
837 u64 t64;
838 u32 t32[2];
839 } tsf;
840 u16 n;
841
842 lockdep_assert_held(&dev->mt76.mutex);
843
844 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
845 : mvif->mt76.omac_idx;
846 /* TSF software read */
847 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
848 MT_LPON_TCR_SW_READ);
849 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx));
850 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx));
851
852 return tsf.t64;
853 }
854
855 static u64
mt7996_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)856 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
857 {
858 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
859 struct mt7996_dev *dev = mt7996_hw_dev(hw);
860 u64 ret;
861
862 mutex_lock(&dev->mt76.mutex);
863 ret = __mt7996_get_tsf(hw, mvif);
864 mutex_unlock(&dev->mt76.mutex);
865
866 return ret;
867 }
868
869 static void
mt7996_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)870 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
871 u64 timestamp)
872 {
873 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
874 struct mt7996_dev *dev = mt7996_hw_dev(hw);
875 struct mt7996_phy *phy = mt7996_hw_phy(hw);
876 union {
877 u64 t64;
878 u32 t32[2];
879 } tsf = { .t64 = timestamp, };
880 u16 n;
881
882 mutex_lock(&dev->mt76.mutex);
883
884 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
885 : mvif->mt76.omac_idx;
886 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
887 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
888 /* TSF software overwrite */
889 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
890 MT_LPON_TCR_SW_WRITE);
891
892 mutex_unlock(&dev->mt76.mutex);
893 }
894
895 static void
mt7996_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)896 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
897 s64 timestamp)
898 {
899 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
900 struct mt7996_dev *dev = mt7996_hw_dev(hw);
901 struct mt7996_phy *phy = mt7996_hw_phy(hw);
902 union {
903 u64 t64;
904 u32 t32[2];
905 } tsf = { .t64 = timestamp, };
906 u16 n;
907
908 mutex_lock(&dev->mt76.mutex);
909
910 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
911 : mvif->mt76.omac_idx;
912 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
913 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
914 /* TSF software adjust*/
915 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
916 MT_LPON_TCR_SW_ADJUST);
917
918 mutex_unlock(&dev->mt76.mutex);
919 }
920
921 static void
mt7996_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)922 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
923 {
924 struct mt7996_phy *phy = mt7996_hw_phy(hw);
925 struct mt7996_dev *dev = phy->dev;
926
927 mutex_lock(&dev->mt76.mutex);
928 phy->coverage_class = max_t(s16, coverage_class, 0);
929 mt7996_mac_set_coverage_class(phy);
930 mutex_unlock(&dev->mt76.mutex);
931 }
932
933 static int
mt7996_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)934 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
935 {
936 struct mt7996_dev *dev = mt7996_hw_dev(hw);
937 struct mt7996_phy *phy = mt7996_hw_phy(hw);
938 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
939 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx];
940
941 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
942 return -EINVAL;
943
944 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
945 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
946
947 mutex_lock(&dev->mt76.mutex);
948
949 phy->mt76->antenna_mask = tx_ant;
950
951 /* restore to the origin chainmask which might have auxiliary path */
952 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2)
953 phy->mt76->chainmask = ((dev->chainmask >> shift) &
954 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift;
955 else if (hweight8(tx_ant) == max_nss)
956 phy->mt76->chainmask = (dev->chainmask >> shift) << shift;
957 else
958 phy->mt76->chainmask = tx_ant << shift;
959
960 mt76_set_stream_caps(phy->mt76, true);
961 mt7996_set_stream_vht_txbf_caps(phy);
962 mt7996_set_stream_he_eht_caps(phy);
963
964 /* TODO: update bmc_wtbl spe_idx when antenna changes */
965 mutex_unlock(&dev->mt76.mutex);
966
967 return 0;
968 }
969
mt7996_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)970 static void mt7996_sta_statistics(struct ieee80211_hw *hw,
971 struct ieee80211_vif *vif,
972 struct ieee80211_sta *sta,
973 struct station_info *sinfo)
974 {
975 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
976 struct rate_info *txrate = &msta->wcid.rate;
977
978 if (txrate->legacy || txrate->flags) {
979 if (txrate->legacy) {
980 sinfo->txrate.legacy = txrate->legacy;
981 } else {
982 sinfo->txrate.mcs = txrate->mcs;
983 sinfo->txrate.nss = txrate->nss;
984 sinfo->txrate.bw = txrate->bw;
985 sinfo->txrate.he_gi = txrate->he_gi;
986 sinfo->txrate.he_dcm = txrate->he_dcm;
987 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
988 }
989 sinfo->txrate.flags = txrate->flags;
990 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
991 }
992 sinfo->txrate.flags = txrate->flags;
993 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
994
995 sinfo->ack_signal = (s8)msta->ack_signal;
996 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
997
998 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal);
999 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
1000 }
1001
mt7996_sta_rc_work(void * data,struct ieee80211_sta * sta)1002 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta)
1003 {
1004 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1005 struct mt7996_dev *dev = msta->vif->phy->dev;
1006 u32 *changed = data;
1007
1008 spin_lock_bh(&dev->mt76.sta_poll_lock);
1009 msta->changed |= *changed;
1010 if (list_empty(&msta->rc_list))
1011 list_add_tail(&msta->rc_list, &dev->sta_rc_list);
1012 spin_unlock_bh(&dev->mt76.sta_poll_lock);
1013 }
1014
mt7996_sta_rc_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u32 changed)1015 static void mt7996_sta_rc_update(struct ieee80211_hw *hw,
1016 struct ieee80211_vif *vif,
1017 struct ieee80211_sta *sta,
1018 u32 changed)
1019 {
1020 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1021 struct mt7996_dev *dev = phy->dev;
1022
1023 mt7996_sta_rc_work(&changed, sta);
1024 ieee80211_queue_work(hw, &dev->rc_work);
1025 }
1026
1027 static int
mt7996_set_bitrate_mask(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const struct cfg80211_bitrate_mask * mask)1028 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1029 const struct cfg80211_bitrate_mask *mask)
1030 {
1031 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1032 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1033 struct mt7996_dev *dev = phy->dev;
1034 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
1035
1036 mvif->bitrate_mask = *mask;
1037
1038 /* if multiple rates across different preambles are given we can
1039 * reconfigure this info with all peers using sta_rec command with
1040 * the below exception cases.
1041 * - single rate : if a rate is passed along with different preambles,
1042 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers.
1043 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT
1044 * then multiple MCS setting (MCS 4,5,6) is not supported.
1045 */
1046 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed);
1047 ieee80211_queue_work(hw, &dev->rc_work);
1048
1049 return 0;
1050 }
1051
mt7996_sta_set_4addr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1052 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw,
1053 struct ieee80211_vif *vif,
1054 struct ieee80211_sta *sta,
1055 bool enabled)
1056 {
1057 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1058 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1059
1060 if (enabled)
1061 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1062 else
1063 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1064
1065 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1066 }
1067
mt7996_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1068 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw,
1069 struct ieee80211_vif *vif,
1070 struct ieee80211_sta *sta,
1071 bool enabled)
1072 {
1073 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1074 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1075
1076 if (enabled)
1077 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1078 else
1079 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1080
1081 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1082 }
1083
1084 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = {
1085 "tx_ampdu_cnt",
1086 "tx_stop_q_empty_cnt",
1087 "tx_mpdu_attempts",
1088 "tx_mpdu_success",
1089 "tx_rwp_fail_cnt",
1090 "tx_rwp_need_cnt",
1091 "tx_pkt_ebf_cnt",
1092 "tx_pkt_ibf_cnt",
1093 "tx_ampdu_len:0-1",
1094 "tx_ampdu_len:2-10",
1095 "tx_ampdu_len:11-19",
1096 "tx_ampdu_len:20-28",
1097 "tx_ampdu_len:29-37",
1098 "tx_ampdu_len:38-46",
1099 "tx_ampdu_len:47-55",
1100 "tx_ampdu_len:56-79",
1101 "tx_ampdu_len:80-103",
1102 "tx_ampdu_len:104-127",
1103 "tx_ampdu_len:128-151",
1104 "tx_ampdu_len:152-175",
1105 "tx_ampdu_len:176-199",
1106 "tx_ampdu_len:200-223",
1107 "tx_ampdu_len:224-247",
1108 "ba_miss_count",
1109 "tx_beamformer_ppdu_iBF",
1110 "tx_beamformer_ppdu_eBF",
1111 "tx_beamformer_rx_feedback_all",
1112 "tx_beamformer_rx_feedback_he",
1113 "tx_beamformer_rx_feedback_vht",
1114 "tx_beamformer_rx_feedback_ht",
1115 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */
1116 "tx_beamformer_rx_feedback_nc",
1117 "tx_beamformer_rx_feedback_nr",
1118 "tx_beamformee_ok_feedback_pkts",
1119 "tx_beamformee_feedback_trig",
1120 "tx_mu_beamforming",
1121 "tx_mu_mpdu",
1122 "tx_mu_successful_mpdu",
1123 "tx_su_successful_mpdu",
1124 "tx_msdu_pack_1",
1125 "tx_msdu_pack_2",
1126 "tx_msdu_pack_3",
1127 "tx_msdu_pack_4",
1128 "tx_msdu_pack_5",
1129 "tx_msdu_pack_6",
1130 "tx_msdu_pack_7",
1131 "tx_msdu_pack_8",
1132
1133 /* rx counters */
1134 "rx_fifo_full_cnt",
1135 "rx_mpdu_cnt",
1136 "channel_idle_cnt",
1137 "rx_vector_mismatch_cnt",
1138 "rx_delimiter_fail_cnt",
1139 "rx_len_mismatch_cnt",
1140 "rx_ampdu_cnt",
1141 "rx_ampdu_bytes_cnt",
1142 "rx_ampdu_valid_subframe_cnt",
1143 "rx_ampdu_valid_subframe_b_cnt",
1144 "rx_pfdrop_cnt",
1145 "rx_vec_queue_overflow_drop_cnt",
1146 "rx_ba_cnt",
1147
1148 /* per vif counters */
1149 "v_tx_mode_cck",
1150 "v_tx_mode_ofdm",
1151 "v_tx_mode_ht",
1152 "v_tx_mode_ht_gf",
1153 "v_tx_mode_vht",
1154 "v_tx_mode_he_su",
1155 "v_tx_mode_he_ext_su",
1156 "v_tx_mode_he_tb",
1157 "v_tx_mode_he_mu",
1158 "v_tx_mode_eht_su",
1159 "v_tx_mode_eht_trig",
1160 "v_tx_mode_eht_mu",
1161 "v_tx_bw_20",
1162 "v_tx_bw_40",
1163 "v_tx_bw_80",
1164 "v_tx_bw_160",
1165 "v_tx_bw_320",
1166 "v_tx_mcs_0",
1167 "v_tx_mcs_1",
1168 "v_tx_mcs_2",
1169 "v_tx_mcs_3",
1170 "v_tx_mcs_4",
1171 "v_tx_mcs_5",
1172 "v_tx_mcs_6",
1173 "v_tx_mcs_7",
1174 "v_tx_mcs_8",
1175 "v_tx_mcs_9",
1176 "v_tx_mcs_10",
1177 "v_tx_mcs_11",
1178 "v_tx_mcs_12",
1179 "v_tx_mcs_13",
1180 "v_tx_nss_1",
1181 "v_tx_nss_2",
1182 "v_tx_nss_3",
1183 "v_tx_nss_4",
1184 };
1185
1186 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats)
1187
1188 /* Ethtool related API */
1189 static
mt7996_get_et_strings(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 sset,u8 * data)1190 void mt7996_get_et_strings(struct ieee80211_hw *hw,
1191 struct ieee80211_vif *vif,
1192 u32 sset, u8 *data)
1193 {
1194 if (sset == ETH_SS_STATS)
1195 memcpy(data, *mt7996_gstrings_stats,
1196 sizeof(mt7996_gstrings_stats));
1197 }
1198
1199 static
mt7996_get_et_sset_count(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int sset)1200 int mt7996_get_et_sset_count(struct ieee80211_hw *hw,
1201 struct ieee80211_vif *vif, int sset)
1202 {
1203 if (sset == ETH_SS_STATS)
1204 return MT7996_SSTATS_LEN;
1205
1206 return 0;
1207 }
1208
mt7996_ethtool_worker(void * wi_data,struct ieee80211_sta * sta)1209 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1210 {
1211 struct mt76_ethtool_worker_info *wi = wi_data;
1212 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1213
1214 if (msta->vif->mt76.idx != wi->idx)
1215 return;
1216
1217 mt76_ethtool_worker(wi, &msta->wcid.stats, true);
1218 }
1219
1220 static
mt7996_get_et_stats(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ethtool_stats * stats,u64 * data)1221 void mt7996_get_et_stats(struct ieee80211_hw *hw,
1222 struct ieee80211_vif *vif,
1223 struct ethtool_stats *stats, u64 *data)
1224 {
1225 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1226 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1227 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1228 struct mt76_mib_stats *mib = &phy->mib;
1229 struct mt76_ethtool_worker_info wi = {
1230 .data = data,
1231 .idx = mvif->mt76.idx,
1232 };
1233 /* See mt7996_ampdu_stat_read_phy, etc */
1234 int i, ei = 0;
1235
1236 mutex_lock(&dev->mt76.mutex);
1237
1238 mt7996_mac_update_stats(phy);
1239
1240 data[ei++] = mib->tx_ampdu_cnt;
1241 data[ei++] = mib->tx_stop_q_empty_cnt;
1242 data[ei++] = mib->tx_mpdu_attempts_cnt;
1243 data[ei++] = mib->tx_mpdu_success_cnt;
1244 data[ei++] = mib->tx_rwp_fail_cnt;
1245 data[ei++] = mib->tx_rwp_need_cnt;
1246 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1247 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1248
1249 /* Tx ampdu stat */
1250 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++)
1251 data[ei++] = phy->mt76->aggr_stats[i];
1252 data[ei++] = phy->mib.ba_miss_cnt;
1253
1254 /* Tx Beamformer monitor */
1255 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1256 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1257
1258 /* Tx Beamformer Rx feedback monitor */
1259 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1260 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1261 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1262 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1263
1264 data[ei++] = mib->tx_bf_rx_fb_bw;
1265 data[ei++] = mib->tx_bf_rx_fb_nc_cnt;
1266 data[ei++] = mib->tx_bf_rx_fb_nr_cnt;
1267
1268 /* Tx Beamformee Rx NDPA & Tx feedback report */
1269 data[ei++] = mib->tx_bf_fb_cpl_cnt;
1270 data[ei++] = mib->tx_bf_fb_trig_cnt;
1271
1272 /* Tx SU & MU counters */
1273 data[ei++] = mib->tx_mu_bf_cnt;
1274 data[ei++] = mib->tx_mu_mpdu_cnt;
1275 data[ei++] = mib->tx_mu_acked_mpdu_cnt;
1276 data[ei++] = mib->tx_su_acked_mpdu_cnt;
1277
1278 /* Tx amsdu info (pack-count histogram) */
1279 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1280 data[ei++] = mib->tx_amsdu[i];
1281
1282 /* rx counters */
1283 data[ei++] = mib->rx_fifo_full_cnt;
1284 data[ei++] = mib->rx_mpdu_cnt;
1285 data[ei++] = mib->channel_idle_cnt;
1286 data[ei++] = mib->rx_vector_mismatch_cnt;
1287 data[ei++] = mib->rx_delimiter_fail_cnt;
1288 data[ei++] = mib->rx_len_mismatch_cnt;
1289 data[ei++] = mib->rx_ampdu_cnt;
1290 data[ei++] = mib->rx_ampdu_bytes_cnt;
1291 data[ei++] = mib->rx_ampdu_valid_subframe_cnt;
1292 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt;
1293 data[ei++] = mib->rx_pfdrop_cnt;
1294 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
1295 data[ei++] = mib->rx_ba_cnt;
1296
1297 /* Add values for all stations owned by this vif */
1298 wi.initial_stat_idx = ei;
1299 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi);
1300
1301 mutex_unlock(&dev->mt76.mutex);
1302
1303 if (wi.sta_count == 0)
1304 return;
1305
1306 ei += wi.worker_stat_count;
1307 if (ei != MT7996_SSTATS_LEN)
1308 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d",
1309 ei, (int)MT7996_SSTATS_LEN);
1310 }
1311
1312 static void
mt7996_twt_teardown_request(struct ieee80211_hw * hw,struct ieee80211_sta * sta,u8 flowid)1313 mt7996_twt_teardown_request(struct ieee80211_hw *hw,
1314 struct ieee80211_sta *sta,
1315 u8 flowid)
1316 {
1317 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1318 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1319
1320 mutex_lock(&dev->mt76.mutex);
1321 mt7996_mac_twt_teardown_flow(dev, msta, flowid);
1322 mutex_unlock(&dev->mt76.mutex);
1323 }
1324
1325 static int
mt7996_set_radar_background(struct ieee80211_hw * hw,struct cfg80211_chan_def * chandef)1326 mt7996_set_radar_background(struct ieee80211_hw *hw,
1327 struct cfg80211_chan_def *chandef)
1328 {
1329 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1330 struct mt7996_dev *dev = phy->dev;
1331 int ret = -EINVAL;
1332 bool running;
1333
1334 mutex_lock(&dev->mt76.mutex);
1335
1336 if (dev->mt76.region == NL80211_DFS_UNSET)
1337 goto out;
1338
1339 if (dev->rdd2_phy && dev->rdd2_phy != phy) {
1340 /* rdd2 is already locked */
1341 ret = -EBUSY;
1342 goto out;
1343 }
1344
1345 /* rdd2 already configured on a radar channel */
1346 running = dev->rdd2_phy &&
1347 cfg80211_chandef_valid(&dev->rdd2_chandef) &&
1348 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR);
1349
1350 if (!chandef || running ||
1351 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) {
1352 ret = mt7996_mcu_rdd_background_enable(phy, NULL);
1353 if (ret)
1354 goto out;
1355
1356 if (!running)
1357 goto update_phy;
1358 }
1359
1360 ret = mt7996_mcu_rdd_background_enable(phy, chandef);
1361 if (ret)
1362 goto out;
1363
1364 update_phy:
1365 dev->rdd2_phy = chandef ? phy : NULL;
1366 if (chandef)
1367 dev->rdd2_chandef = *chandef;
1368 out:
1369 mutex_unlock(&dev->mt76.mutex);
1370
1371 return ret;
1372 }
1373
1374 const struct ieee80211_ops mt7996_ops = {
1375 .tx = mt7996_tx,
1376 .start = mt7996_start,
1377 .stop = mt7996_stop,
1378 .add_interface = mt7996_add_interface,
1379 .remove_interface = mt7996_remove_interface,
1380 .config = mt7996_config,
1381 .conf_tx = mt7996_conf_tx,
1382 .configure_filter = mt7996_configure_filter,
1383 .bss_info_changed = mt7996_bss_info_changed,
1384 .sta_add = mt7996_sta_add,
1385 .sta_remove = mt7996_sta_remove,
1386 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1387 .sta_rc_update = mt7996_sta_rc_update,
1388 .set_key = mt7996_set_key,
1389 .ampdu_action = mt7996_ampdu_action,
1390 .set_rts_threshold = mt7996_set_rts_threshold,
1391 .wake_tx_queue = mt76_wake_tx_queue,
1392 .sw_scan_start = mt76_sw_scan,
1393 .sw_scan_complete = mt76_sw_scan_complete,
1394 .release_buffered_frames = mt76_release_buffered_frames,
1395 .get_txpower = mt76_get_txpower,
1396 .channel_switch_beacon = mt7996_channel_switch_beacon,
1397 .get_stats = mt7996_get_stats,
1398 .get_et_sset_count = mt7996_get_et_sset_count,
1399 .get_et_stats = mt7996_get_et_stats,
1400 .get_et_strings = mt7996_get_et_strings,
1401 .get_tsf = mt7996_get_tsf,
1402 .set_tsf = mt7996_set_tsf,
1403 .offset_tsf = mt7996_offset_tsf,
1404 .get_survey = mt76_get_survey,
1405 .get_antenna = mt76_get_antenna,
1406 .set_antenna = mt7996_set_antenna,
1407 .set_bitrate_mask = mt7996_set_bitrate_mask,
1408 .set_coverage_class = mt7996_set_coverage_class,
1409 .sta_statistics = mt7996_sta_statistics,
1410 .sta_set_4addr = mt7996_sta_set_4addr,
1411 .sta_set_decap_offload = mt7996_sta_set_decap_offload,
1412 .add_twt_setup = mt7996_mac_add_twt_setup,
1413 .twt_teardown_request = mt7996_twt_teardown_request,
1414 #ifdef CONFIG_MAC80211_DEBUGFS
1415 .sta_add_debugfs = mt7996_sta_add_debugfs,
1416 #endif
1417 .set_radar_background = mt7996_set_radar_background,
1418 };
1419