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 = vif->type == NL80211_IFTYPE_AP ? 0 : 3;
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_wcid_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_wcid_cleanup(&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_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH);
291 if (ret)
292 goto out;
293
294 ret = mt7996_dfs_init_radar_detector(phy);
295 mt7996_mac_cca_stats_reset(phy);
296
297 mt7996_mac_reset_counters(phy);
298 phy->noise = 0;
299
300 out:
301 clear_bit(MT76_RESET, &phy->mt76->state);
302 mutex_unlock(&dev->mt76.mutex);
303
304 mt76_txq_schedule_all(phy->mt76);
305
306 ieee80211_queue_delayed_work(phy->mt76->hw,
307 &phy->mt76->mac_work,
308 MT7996_WATCHDOG_TIME);
309
310 return ret;
311 }
312
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)313 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
314 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
315 struct ieee80211_key_conf *key)
316 {
317 struct mt7996_dev *dev = mt7996_hw_dev(hw);
318 struct mt7996_phy *phy = mt7996_hw_phy(hw);
319 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
320 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv :
321 &mvif->sta;
322 struct mt76_wcid *wcid = &msta->wcid;
323 u8 *wcid_keyidx = &wcid->hw_key_idx;
324 int idx = key->keyidx;
325 int err = 0;
326
327 /* The hardware does not support per-STA RX GTK, fallback
328 * to software mode for these.
329 */
330 if ((vif->type == NL80211_IFTYPE_ADHOC ||
331 vif->type == NL80211_IFTYPE_MESH_POINT) &&
332 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
333 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
334 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
335 return -EOPNOTSUPP;
336
337 /* fall back to sw encryption for unsupported ciphers */
338 switch (key->cipher) {
339 case WLAN_CIPHER_SUITE_AES_CMAC:
340 wcid_keyidx = &wcid->hw_key_idx2;
341 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
342 break;
343 case WLAN_CIPHER_SUITE_TKIP:
344 case WLAN_CIPHER_SUITE_CCMP:
345 case WLAN_CIPHER_SUITE_CCMP_256:
346 case WLAN_CIPHER_SUITE_GCMP:
347 case WLAN_CIPHER_SUITE_GCMP_256:
348 case WLAN_CIPHER_SUITE_SMS4:
349 break;
350 case WLAN_CIPHER_SUITE_WEP40:
351 case WLAN_CIPHER_SUITE_WEP104:
352 default:
353 return -EOPNOTSUPP;
354 }
355
356 mutex_lock(&dev->mt76.mutex);
357
358 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
359 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
360 mt7996_mcu_add_bss_info(phy, vif, true);
361 }
362
363 if (cmd == SET_KEY) {
364 *wcid_keyidx = idx;
365 } else {
366 if (idx == *wcid_keyidx)
367 *wcid_keyidx = -1;
368 goto out;
369 }
370
371 mt76_wcid_key_setup(&dev->mt76, wcid, key);
372 err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip,
373 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
374 &msta->wcid, cmd);
375 out:
376 mutex_unlock(&dev->mt76.mutex);
377
378 return err;
379 }
380
mt7996_config(struct ieee80211_hw * hw,u32 changed)381 static int mt7996_config(struct ieee80211_hw *hw, u32 changed)
382 {
383 struct mt7996_dev *dev = mt7996_hw_dev(hw);
384 struct mt7996_phy *phy = mt7996_hw_phy(hw);
385 int ret;
386
387 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
388 ieee80211_stop_queues(hw);
389 ret = mt7996_set_channel(phy);
390 if (ret)
391 return ret;
392 ieee80211_wake_queues(hw);
393 }
394
395 mutex_lock(&dev->mt76.mutex);
396
397 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
398 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
399
400 if (!enabled)
401 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
402 else
403 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
404
405 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx),
406 MT_DMA_DCR0_RXD_G5_EN, enabled);
407 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
408 }
409
410 mutex_unlock(&dev->mt76.mutex);
411
412 return 0;
413 }
414
415 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)416 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
417 unsigned int link_id, u16 queue,
418 const struct ieee80211_tx_queue_params *params)
419 {
420 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
421 const u8 mq_to_aci[] = {
422 [IEEE80211_AC_VO] = 3,
423 [IEEE80211_AC_VI] = 2,
424 [IEEE80211_AC_BE] = 0,
425 [IEEE80211_AC_BK] = 1,
426 };
427
428 /* firmware uses access class index */
429 mvif->queue_params[mq_to_aci[queue]] = *params;
430 /* no need to update right away, we'll get BSS_CHANGED_QOS */
431
432 return 0;
433 }
434
mt7996_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)435 static void mt7996_configure_filter(struct ieee80211_hw *hw,
436 unsigned int changed_flags,
437 unsigned int *total_flags,
438 u64 multicast)
439 {
440 struct mt7996_dev *dev = mt7996_hw_dev(hw);
441 struct mt7996_phy *phy = mt7996_hw_phy(hw);
442 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
443 MT_WF_RFCR1_DROP_BF_POLL |
444 MT_WF_RFCR1_DROP_BA |
445 MT_WF_RFCR1_DROP_CFEND |
446 MT_WF_RFCR1_DROP_CFACK;
447 u32 flags = 0;
448
449 #define MT76_FILTER(_flag, _hw) do { \
450 flags |= *total_flags & FIF_##_flag; \
451 phy->rxfilter &= ~(_hw); \
452 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
453 } while (0)
454
455 mutex_lock(&dev->mt76.mutex);
456
457 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
458 MT_WF_RFCR_DROP_OTHER_BEACON |
459 MT_WF_RFCR_DROP_FRAME_REPORT |
460 MT_WF_RFCR_DROP_PROBEREQ |
461 MT_WF_RFCR_DROP_MCAST_FILTERED |
462 MT_WF_RFCR_DROP_MCAST |
463 MT_WF_RFCR_DROP_BCAST |
464 MT_WF_RFCR_DROP_DUPLICATE |
465 MT_WF_RFCR_DROP_A2_BSSID |
466 MT_WF_RFCR_DROP_UNWANTED_CTL |
467 MT_WF_RFCR_DROP_STBC_MULTI);
468
469 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
470 MT_WF_RFCR_DROP_A3_MAC |
471 MT_WF_RFCR_DROP_A3_BSSID);
472
473 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
474
475 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
476 MT_WF_RFCR_DROP_RTS |
477 MT_WF_RFCR_DROP_CTL_RSV |
478 MT_WF_RFCR_DROP_NDPA);
479
480 *total_flags = flags;
481 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
482
483 if (*total_flags & FIF_CONTROL)
484 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
485 else
486 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
487
488 mutex_unlock(&dev->mt76.mutex);
489 }
490
491 static void
mt7996_update_bss_color(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_he_bss_color * bss_color)492 mt7996_update_bss_color(struct ieee80211_hw *hw,
493 struct ieee80211_vif *vif,
494 struct cfg80211_he_bss_color *bss_color)
495 {
496 struct mt7996_dev *dev = mt7996_hw_dev(hw);
497
498 switch (vif->type) {
499 case NL80211_IFTYPE_AP: {
500 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
501
502 if (mvif->mt76.omac_idx > HW_BSSID_MAX)
503 return;
504 fallthrough;
505 }
506 case NL80211_IFTYPE_STATION:
507 mt7996_mcu_update_bss_color(dev, vif, bss_color);
508 break;
509 default:
510 break;
511 }
512 }
513
514 static u8
mt7996_get_rates_table(struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool beacon,bool mcast)515 mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
516 bool beacon, bool mcast)
517 {
518 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
519 struct mt76_phy *mphy = hw->priv;
520 u16 rate;
521 u8 i, idx, ht;
522
523 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
524 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
525
526 if (beacon && ht) {
527 struct mt7996_dev *dev = mt7996_hw_dev(hw);
528
529 /* must odd index */
530 idx = MT7996_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
531 mt7996_mac_set_fixed_rate_table(dev, idx, rate);
532 return idx;
533 }
534
535 idx = FIELD_GET(MT_TX_RATE_IDX, rate);
536 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
537 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
538 return MT7996_BASIC_RATES_TBL + i;
539
540 return mvif->basic_rates_idx;
541 }
542
543 static void
mt7996_update_mu_group(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info)544 mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
545 struct ieee80211_bss_conf *info)
546 {
547 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
548 struct mt7996_dev *dev = mt7996_hw_dev(hw);
549 u8 band = mvif->mt76.band_idx;
550 u32 *mu;
551
552 mu = (u32 *)info->mu_group.membership;
553 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]);
554 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]);
555
556 mu = (u32 *)info->mu_group.position;
557 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]);
558 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]);
559 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]);
560 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]);
561 }
562
mt7996_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)563 static void mt7996_bss_info_changed(struct ieee80211_hw *hw,
564 struct ieee80211_vif *vif,
565 struct ieee80211_bss_conf *info,
566 u64 changed)
567 {
568 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
569 struct mt7996_phy *phy = mt7996_hw_phy(hw);
570 struct mt7996_dev *dev = mt7996_hw_dev(hw);
571
572 mutex_lock(&dev->mt76.mutex);
573
574 /* station mode uses BSSID to map the wlan entry to a peer,
575 * and then peer references bss_info_rfch to set bandwidth cap.
576 */
577 if (changed & BSS_CHANGED_BSSID &&
578 vif->type == NL80211_IFTYPE_STATION) {
579 bool join = !is_zero_ether_addr(info->bssid);
580
581 mt7996_mcu_add_bss_info(phy, vif, join);
582 mt7996_mcu_add_sta(dev, vif, NULL, join);
583 }
584
585 if (changed & BSS_CHANGED_ASSOC)
586 mt7996_mcu_add_bss_info(phy, vif, vif->cfg.assoc);
587
588 if (changed & BSS_CHANGED_ERP_CTS_PROT)
589 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot);
590
591 if (changed & BSS_CHANGED_ERP_SLOT) {
592 int slottime = info->use_short_slot ? 9 : 20;
593
594 if (slottime != phy->slottime) {
595 phy->slottime = slottime;
596 mt7996_mcu_set_timing(phy, vif);
597 }
598 }
599
600 if (changed & BSS_CHANGED_MCAST_RATE)
601 mvif->mcast_rates_idx =
602 mt7996_get_rates_table(hw, vif, false, true);
603
604 if (changed & BSS_CHANGED_BASIC_RATES)
605 mvif->basic_rates_idx =
606 mt7996_get_rates_table(hw, vif, false, false);
607
608 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
609 mt7996_mcu_add_bss_info(phy, vif, true);
610 mt7996_mcu_add_sta(dev, vif, NULL, true);
611 }
612
613 /* ensure that enable txcmd_mode after bss_info */
614 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
615 mt7996_mcu_set_tx(dev, vif);
616
617 if (changed & BSS_CHANGED_HE_OBSS_PD)
618 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd);
619
620 if (changed & BSS_CHANGED_HE_BSS_COLOR)
621 mt7996_update_bss_color(hw, vif, &info->he_bss_color);
622
623 if (changed & (BSS_CHANGED_BEACON |
624 BSS_CHANGED_BEACON_ENABLED)) {
625 mvif->beacon_rates_idx =
626 mt7996_get_rates_table(hw, vif, true, false);
627
628 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon);
629 }
630
631 if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP |
632 BSS_CHANGED_FILS_DISCOVERY))
633 mt7996_mcu_beacon_inband_discov(dev, vif, changed);
634
635 if (changed & BSS_CHANGED_MU_GROUPS)
636 mt7996_update_mu_group(hw, vif, info);
637
638 mutex_unlock(&dev->mt76.mutex);
639 }
640
641 static void
mt7996_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)642 mt7996_channel_switch_beacon(struct ieee80211_hw *hw,
643 struct ieee80211_vif *vif,
644 struct cfg80211_chan_def *chandef)
645 {
646 struct mt7996_dev *dev = mt7996_hw_dev(hw);
647
648 mutex_lock(&dev->mt76.mutex);
649 mt7996_mcu_add_beacon(hw, vif, true);
650 mutex_unlock(&dev->mt76.mutex);
651 }
652
mt7996_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)653 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
654 struct ieee80211_sta *sta)
655 {
656 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
657 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
658 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
659 u8 band_idx = mvif->phy->mt76->band_idx;
660 int ret, idx;
661
662 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA);
663 if (idx < 0)
664 return -ENOSPC;
665
666 INIT_LIST_HEAD(&msta->rc_list);
667 INIT_LIST_HEAD(&msta->wcid.poll_list);
668 msta->vif = mvif;
669 msta->wcid.sta = 1;
670 msta->wcid.idx = idx;
671 msta->wcid.phy_idx = band_idx;
672 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
673 msta->jiffies = jiffies;
674
675 ewma_avg_signal_init(&msta->avg_ack_signal);
676
677 mt7996_mac_wtbl_update(dev, idx,
678 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
679
680 ret = mt7996_mcu_add_sta(dev, vif, sta, true);
681 if (ret)
682 return ret;
683
684 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false);
685 }
686
mt7996_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)687 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
688 struct ieee80211_sta *sta)
689 {
690 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
691 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
692 int i;
693
694 mt7996_mcu_add_sta(dev, vif, sta, false);
695
696 mt7996_mac_wtbl_update(dev, msta->wcid.idx,
697 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
698
699 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++)
700 mt7996_mac_twt_teardown_flow(dev, msta, i);
701
702 spin_lock_bh(&mdev->sta_poll_lock);
703 if (!list_empty(&msta->wcid.poll_list))
704 list_del_init(&msta->wcid.poll_list);
705 if (!list_empty(&msta->rc_list))
706 list_del_init(&msta->rc_list);
707 spin_unlock_bh(&mdev->sta_poll_lock);
708 }
709
mt7996_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)710 static void mt7996_tx(struct ieee80211_hw *hw,
711 struct ieee80211_tx_control *control,
712 struct sk_buff *skb)
713 {
714 struct mt7996_dev *dev = mt7996_hw_dev(hw);
715 struct mt76_phy *mphy = hw->priv;
716 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
717 struct ieee80211_vif *vif = info->control.vif;
718 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
719
720 if (control->sta) {
721 struct mt7996_sta *sta;
722
723 sta = (struct mt7996_sta *)control->sta->drv_priv;
724 wcid = &sta->wcid;
725 }
726
727 if (vif && !control->sta) {
728 struct mt7996_vif *mvif;
729
730 mvif = (struct mt7996_vif *)vif->drv_priv;
731 wcid = &mvif->sta.wcid;
732 }
733
734 mt76_tx(mphy, control->sta, wcid, skb);
735 }
736
mt7996_set_rts_threshold(struct ieee80211_hw * hw,u32 val)737 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
738 {
739 struct mt7996_phy *phy = mt7996_hw_phy(hw);
740 int ret;
741
742 mutex_lock(&phy->dev->mt76.mutex);
743 ret = mt7996_mcu_set_rts_thresh(phy, val);
744 mutex_unlock(&phy->dev->mt76.mutex);
745
746 return ret;
747 }
748
749 static int
mt7996_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)750 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
751 struct ieee80211_ampdu_params *params)
752 {
753 enum ieee80211_ampdu_mlme_action action = params->action;
754 struct mt7996_dev *dev = mt7996_hw_dev(hw);
755 struct ieee80211_sta *sta = params->sta;
756 struct ieee80211_txq *txq = sta->txq[params->tid];
757 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
758 u16 tid = params->tid;
759 u16 ssn = params->ssn;
760 struct mt76_txq *mtxq;
761 int ret = 0;
762
763 if (!txq)
764 return -EINVAL;
765
766 mtxq = (struct mt76_txq *)txq->drv_priv;
767
768 mutex_lock(&dev->mt76.mutex);
769 switch (action) {
770 case IEEE80211_AMPDU_RX_START:
771 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
772 params->buf_size);
773 ret = mt7996_mcu_add_rx_ba(dev, params, true);
774 break;
775 case IEEE80211_AMPDU_RX_STOP:
776 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
777 ret = mt7996_mcu_add_rx_ba(dev, params, false);
778 break;
779 case IEEE80211_AMPDU_TX_OPERATIONAL:
780 mtxq->aggr = true;
781 mtxq->send_bar = false;
782 ret = mt7996_mcu_add_tx_ba(dev, params, true);
783 break;
784 case IEEE80211_AMPDU_TX_STOP_FLUSH:
785 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
786 mtxq->aggr = false;
787 clear_bit(tid, &msta->wcid.ampdu_state);
788 ret = mt7996_mcu_add_tx_ba(dev, params, false);
789 break;
790 case IEEE80211_AMPDU_TX_START:
791 set_bit(tid, &msta->wcid.ampdu_state);
792 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
793 break;
794 case IEEE80211_AMPDU_TX_STOP_CONT:
795 mtxq->aggr = false;
796 clear_bit(tid, &msta->wcid.ampdu_state);
797 ret = mt7996_mcu_add_tx_ba(dev, params, false);
798 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
799 break;
800 }
801 mutex_unlock(&dev->mt76.mutex);
802
803 return ret;
804 }
805
806 static int
mt7996_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)807 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
808 struct ieee80211_sta *sta)
809 {
810 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
811 IEEE80211_STA_NONE);
812 }
813
814 static int
mt7996_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)815 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
816 struct ieee80211_sta *sta)
817 {
818 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
819 IEEE80211_STA_NOTEXIST);
820 }
821
822 static int
mt7996_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)823 mt7996_get_stats(struct ieee80211_hw *hw,
824 struct ieee80211_low_level_stats *stats)
825 {
826 struct mt7996_phy *phy = mt7996_hw_phy(hw);
827 struct mt7996_dev *dev = mt7996_hw_dev(hw);
828 struct mt76_mib_stats *mib = &phy->mib;
829
830 mutex_lock(&dev->mt76.mutex);
831
832 stats->dot11RTSSuccessCount = mib->rts_cnt;
833 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
834 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
835 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
836
837 mutex_unlock(&dev->mt76.mutex);
838
839 return 0;
840 }
841
__mt7996_get_tsf(struct ieee80211_hw * hw,struct mt7996_vif * mvif)842 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif)
843 {
844 struct mt7996_dev *dev = mt7996_hw_dev(hw);
845 struct mt7996_phy *phy = mt7996_hw_phy(hw);
846 union {
847 u64 t64;
848 u32 t32[2];
849 } tsf;
850 u16 n;
851
852 lockdep_assert_held(&dev->mt76.mutex);
853
854 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
855 : mvif->mt76.omac_idx;
856 /* TSF software read */
857 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
858 MT_LPON_TCR_SW_READ);
859 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx));
860 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx));
861
862 return tsf.t64;
863 }
864
865 static u64
mt7996_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)866 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
867 {
868 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
869 struct mt7996_dev *dev = mt7996_hw_dev(hw);
870 u64 ret;
871
872 mutex_lock(&dev->mt76.mutex);
873 ret = __mt7996_get_tsf(hw, mvif);
874 mutex_unlock(&dev->mt76.mutex);
875
876 return ret;
877 }
878
879 static void
mt7996_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)880 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
881 u64 timestamp)
882 {
883 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
884 struct mt7996_dev *dev = mt7996_hw_dev(hw);
885 struct mt7996_phy *phy = mt7996_hw_phy(hw);
886 union {
887 u64 t64;
888 u32 t32[2];
889 } tsf = { .t64 = timestamp, };
890 u16 n;
891
892 mutex_lock(&dev->mt76.mutex);
893
894 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
895 : mvif->mt76.omac_idx;
896 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
897 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
898 /* TSF software overwrite */
899 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
900 MT_LPON_TCR_SW_WRITE);
901
902 mutex_unlock(&dev->mt76.mutex);
903 }
904
905 static void
mt7996_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)906 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
907 s64 timestamp)
908 {
909 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
910 struct mt7996_dev *dev = mt7996_hw_dev(hw);
911 struct mt7996_phy *phy = mt7996_hw_phy(hw);
912 union {
913 u64 t64;
914 u32 t32[2];
915 } tsf = { .t64 = timestamp, };
916 u16 n;
917
918 mutex_lock(&dev->mt76.mutex);
919
920 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
921 : mvif->mt76.omac_idx;
922 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
923 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
924 /* TSF software adjust*/
925 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
926 MT_LPON_TCR_SW_ADJUST);
927
928 mutex_unlock(&dev->mt76.mutex);
929 }
930
931 static void
mt7996_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)932 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
933 {
934 struct mt7996_phy *phy = mt7996_hw_phy(hw);
935 struct mt7996_dev *dev = phy->dev;
936
937 mutex_lock(&dev->mt76.mutex);
938 phy->coverage_class = max_t(s16, coverage_class, 0);
939 mt7996_mac_set_coverage_class(phy);
940 mutex_unlock(&dev->mt76.mutex);
941 }
942
943 static int
mt7996_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)944 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
945 {
946 struct mt7996_dev *dev = mt7996_hw_dev(hw);
947 struct mt7996_phy *phy = mt7996_hw_phy(hw);
948 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
949 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx];
950
951 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
952 return -EINVAL;
953
954 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
955 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
956
957 mutex_lock(&dev->mt76.mutex);
958
959 phy->mt76->antenna_mask = tx_ant;
960
961 /* restore to the origin chainmask which might have auxiliary path */
962 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2)
963 phy->mt76->chainmask = ((dev->chainmask >> shift) &
964 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift;
965 else if (hweight8(tx_ant) == max_nss)
966 phy->mt76->chainmask = (dev->chainmask >> shift) << shift;
967 else
968 phy->mt76->chainmask = tx_ant << shift;
969
970 mt76_set_stream_caps(phy->mt76, true);
971 mt7996_set_stream_vht_txbf_caps(phy);
972 mt7996_set_stream_he_eht_caps(phy);
973
974 /* TODO: update bmc_wtbl spe_idx when antenna changes */
975 mutex_unlock(&dev->mt76.mutex);
976
977 return 0;
978 }
979
mt7996_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)980 static void mt7996_sta_statistics(struct ieee80211_hw *hw,
981 struct ieee80211_vif *vif,
982 struct ieee80211_sta *sta,
983 struct station_info *sinfo)
984 {
985 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
986 struct rate_info *txrate = &msta->wcid.rate;
987
988 if (txrate->legacy || txrate->flags) {
989 if (txrate->legacy) {
990 sinfo->txrate.legacy = txrate->legacy;
991 } else {
992 sinfo->txrate.mcs = txrate->mcs;
993 sinfo->txrate.nss = txrate->nss;
994 sinfo->txrate.bw = txrate->bw;
995 sinfo->txrate.he_gi = txrate->he_gi;
996 sinfo->txrate.he_dcm = txrate->he_dcm;
997 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
998 }
999 sinfo->txrate.flags = txrate->flags;
1000 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1001 }
1002 sinfo->txrate.flags = txrate->flags;
1003 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1004
1005 sinfo->ack_signal = (s8)msta->ack_signal;
1006 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
1007
1008 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal);
1009 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
1010 }
1011
mt7996_sta_rc_work(void * data,struct ieee80211_sta * sta)1012 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta)
1013 {
1014 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1015 struct mt7996_dev *dev = msta->vif->phy->dev;
1016 u32 *changed = data;
1017
1018 spin_lock_bh(&dev->mt76.sta_poll_lock);
1019 msta->changed |= *changed;
1020 if (list_empty(&msta->rc_list))
1021 list_add_tail(&msta->rc_list, &dev->sta_rc_list);
1022 spin_unlock_bh(&dev->mt76.sta_poll_lock);
1023 }
1024
mt7996_sta_rc_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u32 changed)1025 static void mt7996_sta_rc_update(struct ieee80211_hw *hw,
1026 struct ieee80211_vif *vif,
1027 struct ieee80211_sta *sta,
1028 u32 changed)
1029 {
1030 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1031 struct mt7996_dev *dev = phy->dev;
1032
1033 mt7996_sta_rc_work(&changed, sta);
1034 ieee80211_queue_work(hw, &dev->rc_work);
1035 }
1036
1037 static int
mt7996_set_bitrate_mask(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const struct cfg80211_bitrate_mask * mask)1038 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1039 const struct cfg80211_bitrate_mask *mask)
1040 {
1041 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1042 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1043 struct mt7996_dev *dev = phy->dev;
1044 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
1045
1046 mvif->bitrate_mask = *mask;
1047
1048 /* if multiple rates across different preambles are given we can
1049 * reconfigure this info with all peers using sta_rec command with
1050 * the below exception cases.
1051 * - single rate : if a rate is passed along with different preambles,
1052 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers.
1053 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT
1054 * then multiple MCS setting (MCS 4,5,6) is not supported.
1055 */
1056 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed);
1057 ieee80211_queue_work(hw, &dev->rc_work);
1058
1059 return 0;
1060 }
1061
mt7996_sta_set_4addr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1062 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw,
1063 struct ieee80211_vif *vif,
1064 struct ieee80211_sta *sta,
1065 bool enabled)
1066 {
1067 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1068 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1069
1070 if (enabled)
1071 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1072 else
1073 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1074
1075 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1076 }
1077
mt7996_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1078 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw,
1079 struct ieee80211_vif *vif,
1080 struct ieee80211_sta *sta,
1081 bool enabled)
1082 {
1083 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1084 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1085
1086 if (enabled)
1087 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1088 else
1089 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1090
1091 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1092 }
1093
1094 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = {
1095 "tx_ampdu_cnt",
1096 "tx_stop_q_empty_cnt",
1097 "tx_mpdu_attempts",
1098 "tx_mpdu_success",
1099 "tx_rwp_fail_cnt",
1100 "tx_rwp_need_cnt",
1101 "tx_pkt_ebf_cnt",
1102 "tx_pkt_ibf_cnt",
1103 "tx_ampdu_len:0-1",
1104 "tx_ampdu_len:2-10",
1105 "tx_ampdu_len:11-19",
1106 "tx_ampdu_len:20-28",
1107 "tx_ampdu_len:29-37",
1108 "tx_ampdu_len:38-46",
1109 "tx_ampdu_len:47-55",
1110 "tx_ampdu_len:56-79",
1111 "tx_ampdu_len:80-103",
1112 "tx_ampdu_len:104-127",
1113 "tx_ampdu_len:128-151",
1114 "tx_ampdu_len:152-175",
1115 "tx_ampdu_len:176-199",
1116 "tx_ampdu_len:200-223",
1117 "tx_ampdu_len:224-247",
1118 "ba_miss_count",
1119 "tx_beamformer_ppdu_iBF",
1120 "tx_beamformer_ppdu_eBF",
1121 "tx_beamformer_rx_feedback_all",
1122 "tx_beamformer_rx_feedback_he",
1123 "tx_beamformer_rx_feedback_vht",
1124 "tx_beamformer_rx_feedback_ht",
1125 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */
1126 "tx_beamformer_rx_feedback_nc",
1127 "tx_beamformer_rx_feedback_nr",
1128 "tx_beamformee_ok_feedback_pkts",
1129 "tx_beamformee_feedback_trig",
1130 "tx_mu_beamforming",
1131 "tx_mu_mpdu",
1132 "tx_mu_successful_mpdu",
1133 "tx_su_successful_mpdu",
1134 "tx_msdu_pack_1",
1135 "tx_msdu_pack_2",
1136 "tx_msdu_pack_3",
1137 "tx_msdu_pack_4",
1138 "tx_msdu_pack_5",
1139 "tx_msdu_pack_6",
1140 "tx_msdu_pack_7",
1141 "tx_msdu_pack_8",
1142
1143 /* rx counters */
1144 "rx_fifo_full_cnt",
1145 "rx_mpdu_cnt",
1146 "channel_idle_cnt",
1147 "rx_vector_mismatch_cnt",
1148 "rx_delimiter_fail_cnt",
1149 "rx_len_mismatch_cnt",
1150 "rx_ampdu_cnt",
1151 "rx_ampdu_bytes_cnt",
1152 "rx_ampdu_valid_subframe_cnt",
1153 "rx_ampdu_valid_subframe_b_cnt",
1154 "rx_pfdrop_cnt",
1155 "rx_vec_queue_overflow_drop_cnt",
1156 "rx_ba_cnt",
1157
1158 /* per vif counters */
1159 "v_tx_mode_cck",
1160 "v_tx_mode_ofdm",
1161 "v_tx_mode_ht",
1162 "v_tx_mode_ht_gf",
1163 "v_tx_mode_vht",
1164 "v_tx_mode_he_su",
1165 "v_tx_mode_he_ext_su",
1166 "v_tx_mode_he_tb",
1167 "v_tx_mode_he_mu",
1168 "v_tx_mode_eht_su",
1169 "v_tx_mode_eht_trig",
1170 "v_tx_mode_eht_mu",
1171 "v_tx_bw_20",
1172 "v_tx_bw_40",
1173 "v_tx_bw_80",
1174 "v_tx_bw_160",
1175 "v_tx_bw_320",
1176 "v_tx_mcs_0",
1177 "v_tx_mcs_1",
1178 "v_tx_mcs_2",
1179 "v_tx_mcs_3",
1180 "v_tx_mcs_4",
1181 "v_tx_mcs_5",
1182 "v_tx_mcs_6",
1183 "v_tx_mcs_7",
1184 "v_tx_mcs_8",
1185 "v_tx_mcs_9",
1186 "v_tx_mcs_10",
1187 "v_tx_mcs_11",
1188 "v_tx_mcs_12",
1189 "v_tx_mcs_13",
1190 "v_tx_nss_1",
1191 "v_tx_nss_2",
1192 "v_tx_nss_3",
1193 "v_tx_nss_4",
1194 };
1195
1196 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats)
1197
1198 /* Ethtool related API */
1199 static
mt7996_get_et_strings(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 sset,u8 * data)1200 void mt7996_get_et_strings(struct ieee80211_hw *hw,
1201 struct ieee80211_vif *vif,
1202 u32 sset, u8 *data)
1203 {
1204 if (sset == ETH_SS_STATS)
1205 memcpy(data, mt7996_gstrings_stats,
1206 sizeof(mt7996_gstrings_stats));
1207 }
1208
1209 static
mt7996_get_et_sset_count(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int sset)1210 int mt7996_get_et_sset_count(struct ieee80211_hw *hw,
1211 struct ieee80211_vif *vif, int sset)
1212 {
1213 if (sset == ETH_SS_STATS)
1214 return MT7996_SSTATS_LEN;
1215
1216 return 0;
1217 }
1218
mt7996_ethtool_worker(void * wi_data,struct ieee80211_sta * sta)1219 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1220 {
1221 struct mt76_ethtool_worker_info *wi = wi_data;
1222 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1223
1224 if (msta->vif->mt76.idx != wi->idx)
1225 return;
1226
1227 mt76_ethtool_worker(wi, &msta->wcid.stats, true);
1228 }
1229
1230 static
mt7996_get_et_stats(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ethtool_stats * stats,u64 * data)1231 void mt7996_get_et_stats(struct ieee80211_hw *hw,
1232 struct ieee80211_vif *vif,
1233 struct ethtool_stats *stats, u64 *data)
1234 {
1235 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1236 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1237 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1238 struct mt76_mib_stats *mib = &phy->mib;
1239 struct mt76_ethtool_worker_info wi = {
1240 .data = data,
1241 .idx = mvif->mt76.idx,
1242 };
1243 /* See mt7996_ampdu_stat_read_phy, etc */
1244 int i, ei = 0;
1245
1246 mutex_lock(&dev->mt76.mutex);
1247
1248 mt7996_mac_update_stats(phy);
1249
1250 data[ei++] = mib->tx_ampdu_cnt;
1251 data[ei++] = mib->tx_stop_q_empty_cnt;
1252 data[ei++] = mib->tx_mpdu_attempts_cnt;
1253 data[ei++] = mib->tx_mpdu_success_cnt;
1254 data[ei++] = mib->tx_rwp_fail_cnt;
1255 data[ei++] = mib->tx_rwp_need_cnt;
1256 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1257 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1258
1259 /* Tx ampdu stat */
1260 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++)
1261 data[ei++] = phy->mt76->aggr_stats[i];
1262 data[ei++] = phy->mib.ba_miss_cnt;
1263
1264 /* Tx Beamformer monitor */
1265 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1266 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1267
1268 /* Tx Beamformer Rx feedback monitor */
1269 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1270 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1271 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1272 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1273
1274 data[ei++] = mib->tx_bf_rx_fb_bw;
1275 data[ei++] = mib->tx_bf_rx_fb_nc_cnt;
1276 data[ei++] = mib->tx_bf_rx_fb_nr_cnt;
1277
1278 /* Tx Beamformee Rx NDPA & Tx feedback report */
1279 data[ei++] = mib->tx_bf_fb_cpl_cnt;
1280 data[ei++] = mib->tx_bf_fb_trig_cnt;
1281
1282 /* Tx SU & MU counters */
1283 data[ei++] = mib->tx_mu_bf_cnt;
1284 data[ei++] = mib->tx_mu_mpdu_cnt;
1285 data[ei++] = mib->tx_mu_acked_mpdu_cnt;
1286 data[ei++] = mib->tx_su_acked_mpdu_cnt;
1287
1288 /* Tx amsdu info (pack-count histogram) */
1289 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1290 data[ei++] = mib->tx_amsdu[i];
1291
1292 /* rx counters */
1293 data[ei++] = mib->rx_fifo_full_cnt;
1294 data[ei++] = mib->rx_mpdu_cnt;
1295 data[ei++] = mib->channel_idle_cnt;
1296 data[ei++] = mib->rx_vector_mismatch_cnt;
1297 data[ei++] = mib->rx_delimiter_fail_cnt;
1298 data[ei++] = mib->rx_len_mismatch_cnt;
1299 data[ei++] = mib->rx_ampdu_cnt;
1300 data[ei++] = mib->rx_ampdu_bytes_cnt;
1301 data[ei++] = mib->rx_ampdu_valid_subframe_cnt;
1302 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt;
1303 data[ei++] = mib->rx_pfdrop_cnt;
1304 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
1305 data[ei++] = mib->rx_ba_cnt;
1306
1307 /* Add values for all stations owned by this vif */
1308 wi.initial_stat_idx = ei;
1309 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi);
1310
1311 mutex_unlock(&dev->mt76.mutex);
1312
1313 if (wi.sta_count == 0)
1314 return;
1315
1316 ei += wi.worker_stat_count;
1317 if (ei != MT7996_SSTATS_LEN)
1318 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d",
1319 ei, (int)MT7996_SSTATS_LEN);
1320 }
1321
1322 static void
mt7996_twt_teardown_request(struct ieee80211_hw * hw,struct ieee80211_sta * sta,u8 flowid)1323 mt7996_twt_teardown_request(struct ieee80211_hw *hw,
1324 struct ieee80211_sta *sta,
1325 u8 flowid)
1326 {
1327 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1328 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1329
1330 mutex_lock(&dev->mt76.mutex);
1331 mt7996_mac_twt_teardown_flow(dev, msta, flowid);
1332 mutex_unlock(&dev->mt76.mutex);
1333 }
1334
1335 static int
mt7996_set_radar_background(struct ieee80211_hw * hw,struct cfg80211_chan_def * chandef)1336 mt7996_set_radar_background(struct ieee80211_hw *hw,
1337 struct cfg80211_chan_def *chandef)
1338 {
1339 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1340 struct mt7996_dev *dev = phy->dev;
1341 int ret = -EINVAL;
1342 bool running;
1343
1344 mutex_lock(&dev->mt76.mutex);
1345
1346 if (dev->mt76.region == NL80211_DFS_UNSET)
1347 goto out;
1348
1349 if (dev->rdd2_phy && dev->rdd2_phy != phy) {
1350 /* rdd2 is already locked */
1351 ret = -EBUSY;
1352 goto out;
1353 }
1354
1355 /* rdd2 already configured on a radar channel */
1356 running = dev->rdd2_phy &&
1357 cfg80211_chandef_valid(&dev->rdd2_chandef) &&
1358 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR);
1359
1360 if (!chandef || running ||
1361 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) {
1362 ret = mt7996_mcu_rdd_background_enable(phy, NULL);
1363 if (ret)
1364 goto out;
1365
1366 if (!running)
1367 goto update_phy;
1368 }
1369
1370 ret = mt7996_mcu_rdd_background_enable(phy, chandef);
1371 if (ret)
1372 goto out;
1373
1374 update_phy:
1375 dev->rdd2_phy = chandef ? phy : NULL;
1376 if (chandef)
1377 dev->rdd2_chandef = *chandef;
1378 out:
1379 mutex_unlock(&dev->mt76.mutex);
1380
1381 return ret;
1382 }
1383
1384 const struct ieee80211_ops mt7996_ops = {
1385 .tx = mt7996_tx,
1386 .start = mt7996_start,
1387 .stop = mt7996_stop,
1388 .add_interface = mt7996_add_interface,
1389 .remove_interface = mt7996_remove_interface,
1390 .config = mt7996_config,
1391 .conf_tx = mt7996_conf_tx,
1392 .configure_filter = mt7996_configure_filter,
1393 .bss_info_changed = mt7996_bss_info_changed,
1394 .sta_add = mt7996_sta_add,
1395 .sta_remove = mt7996_sta_remove,
1396 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1397 .sta_rc_update = mt7996_sta_rc_update,
1398 .set_key = mt7996_set_key,
1399 .ampdu_action = mt7996_ampdu_action,
1400 .set_rts_threshold = mt7996_set_rts_threshold,
1401 .wake_tx_queue = mt76_wake_tx_queue,
1402 .sw_scan_start = mt76_sw_scan,
1403 .sw_scan_complete = mt76_sw_scan_complete,
1404 .release_buffered_frames = mt76_release_buffered_frames,
1405 .get_txpower = mt76_get_txpower,
1406 .channel_switch_beacon = mt7996_channel_switch_beacon,
1407 .get_stats = mt7996_get_stats,
1408 .get_et_sset_count = mt7996_get_et_sset_count,
1409 .get_et_stats = mt7996_get_et_stats,
1410 .get_et_strings = mt7996_get_et_strings,
1411 .get_tsf = mt7996_get_tsf,
1412 .set_tsf = mt7996_set_tsf,
1413 .offset_tsf = mt7996_offset_tsf,
1414 .get_survey = mt76_get_survey,
1415 .get_antenna = mt76_get_antenna,
1416 .set_antenna = mt7996_set_antenna,
1417 .set_bitrate_mask = mt7996_set_bitrate_mask,
1418 .set_coverage_class = mt7996_set_coverage_class,
1419 .sta_statistics = mt7996_sta_statistics,
1420 .sta_set_4addr = mt7996_sta_set_4addr,
1421 .sta_set_decap_offload = mt7996_sta_set_decap_offload,
1422 .add_twt_setup = mt7996_mac_add_twt_setup,
1423 .twt_teardown_request = mt7996_twt_teardown_request,
1424 #ifdef CONFIG_MAC80211_DEBUGFS
1425 .sta_add_debugfs = mt7996_sta_add_debugfs,
1426 #endif
1427 .set_radar_background = mt7996_set_radar_background,
1428 };
1429