blob: 8e88cca3cf24bd1e7b319ff952a6ff558df50c62 [file] [log] [blame]
developerb11a5392022-03-31 00:34:47 +08001// 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 "mt7921.h"
9#include "mcu.h"
10
11static void
12mt7921_gen_ppe_thresh(u8 *he_ppet, int nss)
13{
14 u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */
15 u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
16
17 he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) |
18 FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK,
19 ru_bit_mask);
20
21 ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE *
22 nss * hweight8(ru_bit_mask) * 2;
23 ppet_size = DIV_ROUND_UP(ppet_bits, 8);
24
25 for (i = 0; i < ppet_size - 1; i++)
26 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3];
27
28 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] &
29 (0xff >> (8 - (ppet_bits - 1) % 8));
30}
31
32static int
33mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
34 struct ieee80211_sband_iftype_data *data)
35{
36 int i, idx = 0;
37 int nss = hweight8(phy->mt76->chainmask);
38 u16 mcs_map = 0;
39
40 for (i = 0; i < 8; i++) {
41 if (i < nss)
42 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
43 else
44 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
45 }
46
47 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
48 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
49 struct ieee80211_he_cap_elem *he_cap_elem =
50 &he_cap->he_cap_elem;
51 struct ieee80211_he_mcs_nss_supp *he_mcs =
52 &he_cap->he_mcs_nss_supp;
53
54 switch (i) {
55 case NL80211_IFTYPE_STATION:
56 break;
57 default:
58 continue;
59 }
60
61 data[idx].types_mask = BIT(i);
62 he_cap->has_he = true;
63
64 he_cap_elem->mac_cap_info[0] =
65 IEEE80211_HE_MAC_CAP0_HTC_HE;
66 he_cap_elem->mac_cap_info[3] =
67 IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
68 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
69 he_cap_elem->mac_cap_info[4] =
70 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
71
72 if (band == NL80211_BAND_2GHZ)
73 he_cap_elem->phy_cap_info[0] =
74 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
75 else
76 he_cap_elem->phy_cap_info[0] =
77 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
78
79 he_cap_elem->phy_cap_info[1] =
80 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
81 he_cap_elem->phy_cap_info[2] =
82 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
83 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
84 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
85 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
86 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
87
88 switch (i) {
89 case NL80211_IFTYPE_STATION:
90 he_cap_elem->mac_cap_info[1] |=
91 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
92
93 if (band == NL80211_BAND_2GHZ)
94 he_cap_elem->phy_cap_info[0] |=
95 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
96 else
97 he_cap_elem->phy_cap_info[0] |=
98 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
99
100 he_cap_elem->phy_cap_info[1] |=
101 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
102 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
103 he_cap_elem->phy_cap_info[3] |=
104 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
105 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
106 he_cap_elem->phy_cap_info[4] |=
107 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
108 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4;
109 he_cap_elem->phy_cap_info[5] |=
110 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK |
111 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
112 he_cap_elem->phy_cap_info[6] |=
113 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
114 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
115 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
116 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
117 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
118 he_cap_elem->phy_cap_info[7] |=
119 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
120 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
121 he_cap_elem->phy_cap_info[8] |=
122 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
123 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
124 he_cap_elem->phy_cap_info[9] |=
125 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
126 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
127 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
128 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
129 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
130 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
131
132 if (is_mt7922(phy->mt76->dev)) {
133 he_cap_elem->phy_cap_info[0] |=
134 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
135 he_cap_elem->phy_cap_info[8] |=
136 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
137 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
138 }
139 break;
140 }
141
142 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
143 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
144 if (is_mt7922(phy->mt76->dev)) {
145 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
146 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
147 }
148
149 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
150 if (he_cap_elem->phy_cap_info[6] &
151 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
152 mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss);
153 } else {
154 he_cap_elem->phy_cap_info[9] |=
155 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
156 }
157
158 if (band == NL80211_BAND_6GHZ) {
159 struct ieee80211_supported_band *sband =
160 &phy->mt76->sband_5g.sband;
161 struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap;
162 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
163 u32 exp;
164 u16 cap;
165
166 cap = u16_encode_bits(ht_cap->ampdu_density,
167 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
168 exp = u32_get_bits(vht_cap->cap,
169 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK);
170 cap |= u16_encode_bits(exp,
171 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
172 exp = u32_get_bits(vht_cap->cap,
173 IEEE80211_VHT_CAP_MAX_MPDU_MASK);
174 cap |= u16_encode_bits(exp,
175 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
176 if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
177 cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
178 if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
179 cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
180
181 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap);
182 }
183 idx++;
184 }
185
186 return idx;
187}
188
189void mt7921_set_stream_he_caps(struct mt7921_phy *phy)
190{
191 struct ieee80211_sband_iftype_data *data;
192 struct ieee80211_supported_band *band;
193 int n;
194
195 if (phy->mt76->cap.has_2ghz) {
196 data = phy->iftype[NL80211_BAND_2GHZ];
197 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data);
198
199 band = &phy->mt76->sband_2g.sband;
200 band->iftype_data = data;
201 band->n_iftype_data = n;
202 }
203
204 if (phy->mt76->cap.has_5ghz) {
205 data = phy->iftype[NL80211_BAND_5GHZ];
206 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data);
207
208 band = &phy->mt76->sband_5g.sband;
209 band->iftype_data = data;
210 band->n_iftype_data = n;
211
212 if (phy->mt76->cap.has_6ghz) {
213 data = phy->iftype[NL80211_BAND_6GHZ];
214 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data);
215
216 band = &phy->mt76->sband_6g.sband;
217 band->iftype_data = data;
218 band->n_iftype_data = n;
219 }
220 }
221}
222
223int __mt7921_start(struct mt7921_phy *phy)
224{
225 struct mt76_phy *mphy = phy->mt76;
226 int err;
227
228 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false);
229 if (err)
230 return err;
231
232 err = mt76_connac_mcu_set_channel_domain(mphy);
233 if (err)
234 return err;
235
236 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
237 if (err)
238 return err;
239
240 err = mt76_connac_mcu_set_rate_txpower(phy->mt76);
241 if (err)
242 return err;
243
244 mt7921_mac_reset_counters(phy);
245 set_bit(MT76_STATE_RUNNING, &mphy->state);
246
247 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
248 MT7921_WATCHDOG_TIME);
249
250 return 0;
251}
252EXPORT_SYMBOL_GPL(__mt7921_start);
253
254static int mt7921_start(struct ieee80211_hw *hw)
255{
256 struct mt7921_phy *phy = mt7921_hw_phy(hw);
257 int err;
258
259 mt7921_mutex_acquire(phy->dev);
260 err = __mt7921_start(phy);
261 mt7921_mutex_release(phy->dev);
262
263 return err;
264}
265
266void mt7921_stop(struct ieee80211_hw *hw)
267{
268 struct mt7921_dev *dev = mt7921_hw_dev(hw);
269 struct mt7921_phy *phy = mt7921_hw_phy(hw);
270
271 cancel_delayed_work_sync(&phy->mt76->mac_work);
272
273 cancel_delayed_work_sync(&dev->pm.ps_work);
274 cancel_work_sync(&dev->pm.wake_work);
275 cancel_work_sync(&dev->reset_work);
276 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
277
278 mt7921_mutex_acquire(dev);
279 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
280 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
281 mt7921_mutex_release(dev);
282}
283EXPORT_SYMBOL_GPL(mt7921_stop);
284
285static int mt7921_add_interface(struct ieee80211_hw *hw,
286 struct ieee80211_vif *vif)
287{
288 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
289 struct mt7921_dev *dev = mt7921_hw_dev(hw);
290 struct mt7921_phy *phy = mt7921_hw_phy(hw);
291 struct mt76_txq *mtxq;
292 int idx, ret = 0;
293
294 mt7921_mutex_acquire(dev);
295
296 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
297 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) {
298 ret = -ENOSPC;
299 goto out;
300 }
301
302 mvif->mt76.omac_idx = mvif->mt76.idx;
303 mvif->phy = phy;
304 mvif->mt76.band_idx = 0;
305 mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS;
306
307 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid,
308 true);
309 if (ret)
310 goto out;
311
312 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
313 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
314
315 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx;
316
317 INIT_LIST_HEAD(&mvif->sta.poll_list);
318 mvif->sta.wcid.idx = idx;
319 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx;
320 mvif->sta.wcid.hw_key_idx = -1;
321 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
322 mt76_packet_id_init(&mvif->sta.wcid);
323
324 mt7921_mac_wtbl_update(dev, idx,
325 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
326
327 ewma_rssi_init(&mvif->rssi);
328
329 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
330 if (vif->txq) {
331 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
332 mtxq->wcid = idx;
333 }
334
335out:
336 mt7921_mutex_release(dev);
337
338 return ret;
339}
340
341static void mt7921_remove_interface(struct ieee80211_hw *hw,
342 struct ieee80211_vif *vif)
343{
344 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
345 struct mt7921_sta *msta = &mvif->sta;
346 struct mt7921_dev *dev = mt7921_hw_dev(hw);
347 struct mt7921_phy *phy = mt7921_hw_phy(hw);
348 int idx = msta->wcid.idx;
349
350 mt7921_mutex_acquire(dev);
351 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
352 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false);
353
354 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
355
356 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
357 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
358 mt7921_mutex_release(dev);
359
360 spin_lock_bh(&dev->sta_poll_lock);
361 if (!list_empty(&msta->poll_list))
362 list_del_init(&msta->poll_list);
363 spin_unlock_bh(&dev->sta_poll_lock);
364
365 mt76_packet_id_flush(&dev->mt76, &msta->wcid);
366}
367
368static int mt7921_set_channel(struct mt7921_phy *phy)
369{
370 struct mt7921_dev *dev = phy->dev;
371 int ret;
372
373 cancel_delayed_work_sync(&phy->mt76->mac_work);
374
375 mt7921_mutex_acquire(dev);
376 set_bit(MT76_RESET, &phy->mt76->state);
377
378 mt76_set_channel(phy->mt76);
379
380 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
381 if (ret)
382 goto out;
383
384 mt7921_mac_set_timing(phy);
385
386 mt7921_mac_reset_counters(phy);
387 phy->noise = 0;
388
389out:
390 clear_bit(MT76_RESET, &phy->mt76->state);
391 mt7921_mutex_release(dev);
392
393 mt76_worker_schedule(&dev->mt76.tx_worker);
394 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work,
395 MT7921_WATCHDOG_TIME);
396
397 return ret;
398}
399
400static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
401 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
402 struct ieee80211_key_conf *key)
403{
404 struct mt7921_dev *dev = mt7921_hw_dev(hw);
405 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
406 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv :
407 &mvif->sta;
408 struct mt76_wcid *wcid = &msta->wcid;
409 u8 *wcid_keyidx = &wcid->hw_key_idx;
410 int idx = key->keyidx, err = 0;
411
412 /* The hardware does not support per-STA RX GTK, fallback
413 * to software mode for these.
414 */
415 if ((vif->type == NL80211_IFTYPE_ADHOC ||
416 vif->type == NL80211_IFTYPE_MESH_POINT) &&
417 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
418 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
419 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
420 return -EOPNOTSUPP;
421
422 /* fall back to sw encryption for unsupported ciphers */
423 switch (key->cipher) {
424 case WLAN_CIPHER_SUITE_AES_CMAC:
425 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
426 wcid_keyidx = &wcid->hw_key_idx2;
427 break;
428 case WLAN_CIPHER_SUITE_WEP40:
429 case WLAN_CIPHER_SUITE_WEP104:
430 if (!mvif->wep_sta)
431 return -EOPNOTSUPP;
432 break;
433 case WLAN_CIPHER_SUITE_TKIP:
434 case WLAN_CIPHER_SUITE_CCMP:
435 case WLAN_CIPHER_SUITE_CCMP_256:
436 case WLAN_CIPHER_SUITE_GCMP:
437 case WLAN_CIPHER_SUITE_GCMP_256:
438 case WLAN_CIPHER_SUITE_SMS4:
439 break;
440 default:
441 return -EOPNOTSUPP;
442 }
443
444 mt7921_mutex_acquire(dev);
445
446 if (cmd == SET_KEY)
447 *wcid_keyidx = idx;
448 else if (idx == *wcid_keyidx)
449 *wcid_keyidx = -1;
450 else
451 goto out;
452
453 mt76_wcid_key_setup(&dev->mt76, wcid,
454 cmd == SET_KEY ? key : NULL);
455
456 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip,
457 key, MCU_UNI_CMD(STA_REC_UPDATE),
458 &msta->wcid, cmd);
459 if (err)
460 goto out;
461
462 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
463 key->cipher == WLAN_CIPHER_SUITE_WEP40)
464 err = mt76_connac_mcu_add_key(&dev->mt76, vif,
465 &mvif->wep_sta->bip,
466 key, MCU_UNI_CMD(STA_REC_UPDATE),
467 &mvif->wep_sta->wcid, cmd);
468out:
469 mt7921_mutex_release(dev);
470
471 return err;
472}
473
474static void
475mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
476{
477 struct mt7921_dev *dev = priv;
478
479 mt7921_mcu_set_beacon_filter(dev, vif, dev->pm.enable);
480}
481
482static void
483mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
484{
485 struct mt7921_dev *dev = priv;
486 struct ieee80211_hw *hw = mt76_hw(dev);
487 struct mt76_connac_pm *pm = &dev->pm;
488 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
489
490 mt7921_mcu_set_sniffer(dev, vif, monitor);
491 pm->enable = pm->enable_user && !monitor;
492 pm->ds_enable = pm->ds_enable_user && !monitor;
493
494 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);
495
496 if (monitor)
497 mt7921_mcu_set_beacon_filter(dev, vif, false);
498}
499
500void mt7921_set_runtime_pm(struct mt7921_dev *dev)
501{
502 struct ieee80211_hw *hw = mt76_hw(dev);
503 struct mt76_connac_pm *pm = &dev->pm;
504 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
505
506 pm->enable = pm->enable_user && !monitor;
507 ieee80211_iterate_active_interfaces(hw,
508 IEEE80211_IFACE_ITER_RESUME_ALL,
509 mt7921_pm_interface_iter, dev);
510 pm->ds_enable = pm->ds_enable_user && !monitor;
511 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);
512}
513
514static int mt7921_config(struct ieee80211_hw *hw, u32 changed)
515{
516 struct mt7921_dev *dev = mt7921_hw_dev(hw);
517 struct mt7921_phy *phy = mt7921_hw_phy(hw);
518 int ret = 0;
519
520 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
521 ieee80211_stop_queues(hw);
522 ret = mt7921_set_channel(phy);
523 if (ret)
524 return ret;
525 ieee80211_wake_queues(hw);
526 }
527
528 mt7921_mutex_acquire(dev);
529
530 if (changed & IEEE80211_CONF_CHANGE_POWER) {
531 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76);
532 if (ret)
533 goto out;
534 }
535
536 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
537 ieee80211_iterate_active_interfaces(hw,
538 IEEE80211_IFACE_ITER_RESUME_ALL,
539 mt7921_sniffer_interface_iter, dev);
540 dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0));
541 }
542
543out:
544 mt7921_mutex_release(dev);
545
546 return ret;
547}
548
549static int
550mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
551 const struct ieee80211_tx_queue_params *params)
552{
553 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
554
555 /* no need to update right away, we'll get BSS_CHANGED_QOS */
556 queue = mt76_connac_lmac_mapping(queue);
557 mvif->queue_params[queue] = *params;
558
559 return 0;
560}
561
562static void mt7921_configure_filter(struct ieee80211_hw *hw,
563 unsigned int changed_flags,
564 unsigned int *total_flags,
565 u64 multicast)
566{
567 struct mt7921_dev *dev = mt7921_hw_dev(hw);
568 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
569 MT_WF_RFCR1_DROP_BF_POLL |
570 MT_WF_RFCR1_DROP_BA |
571 MT_WF_RFCR1_DROP_CFEND |
572 MT_WF_RFCR1_DROP_CFACK;
573 u32 flags = 0;
574
575#define MT76_FILTER(_flag, _hw) do { \
576 flags |= *total_flags & FIF_##_flag; \
577 dev->mt76.rxfilter &= ~(_hw); \
578 dev->mt76.rxfilter |= !(flags & FIF_##_flag) * (_hw); \
579 } while (0)
580
581 mt7921_mutex_acquire(dev);
582
583 dev->mt76.rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
584 MT_WF_RFCR_DROP_OTHER_BEACON |
585 MT_WF_RFCR_DROP_FRAME_REPORT |
586 MT_WF_RFCR_DROP_PROBEREQ |
587 MT_WF_RFCR_DROP_MCAST_FILTERED |
588 MT_WF_RFCR_DROP_MCAST |
589 MT_WF_RFCR_DROP_BCAST |
590 MT_WF_RFCR_DROP_DUPLICATE |
591 MT_WF_RFCR_DROP_A2_BSSID |
592 MT_WF_RFCR_DROP_UNWANTED_CTL |
593 MT_WF_RFCR_DROP_STBC_MULTI);
594
595 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
596 MT_WF_RFCR_DROP_A3_MAC |
597 MT_WF_RFCR_DROP_A3_BSSID);
598
599 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
600
601 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
602 MT_WF_RFCR_DROP_RTS |
603 MT_WF_RFCR_DROP_CTL_RSV |
604 MT_WF_RFCR_DROP_NDPA);
605
606 *total_flags = flags;
607 mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter);
608
609 if (*total_flags & FIF_CONTROL)
610 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags);
611 else
612 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags);
613
614 mt7921_mutex_release(dev);
615}
616
617static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
618 struct ieee80211_vif *vif,
619 struct ieee80211_bss_conf *info,
620 u32 changed)
621{
622 struct mt7921_phy *phy = mt7921_hw_phy(hw);
623 struct mt7921_dev *dev = mt7921_hw_dev(hw);
624
625 mt7921_mutex_acquire(dev);
626
627 if (changed & BSS_CHANGED_ERP_SLOT) {
628 int slottime = info->use_short_slot ? 9 : 20;
629
630 if (slottime != phy->slottime) {
631 phy->slottime = slottime;
632 mt7921_mac_set_timing(phy);
633 }
634 }
635
636 /* ensure that enable txcmd_mode after bss_info */
637 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
638 mt7921_mcu_set_tx(dev, vif);
639
640 if (changed & BSS_CHANGED_PS)
641 mt7921_mcu_uni_bss_ps(dev, vif);
642
643 if (changed & BSS_CHANGED_ASSOC) {
644 mt7921_mcu_sta_update(dev, NULL, vif, true,
645 MT76_STA_INFO_STATE_ASSOC);
646 if (dev->pm.enable)
647 mt7921_mcu_set_beacon_filter(dev, vif, info->assoc);
648 }
649
650 if (changed & BSS_CHANGED_ARP_FILTER) {
651 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
652
653 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
654 info);
655 }
656
657 mt7921_mutex_release(dev);
658}
659
660int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
661 struct ieee80211_sta *sta)
662{
663 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
664 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
665 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
666 int ret, idx;
667
668 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
669 if (idx < 0)
670 return -ENOSPC;
671
672 INIT_LIST_HEAD(&msta->poll_list);
673 msta->vif = mvif;
674 msta->wcid.sta = 1;
675 msta->wcid.idx = idx;
676 msta->wcid.ext_phy = mvif->mt76.band_idx;
677 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
678 msta->last_txs = jiffies;
679
680 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
681 if (ret)
682 return ret;
683
684 if (vif->type == NL80211_IFTYPE_STATION)
685 mvif->wep_sta = msta;
686
687 mt7921_mac_wtbl_update(dev, idx,
688 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
689
690 ret = mt7921_mcu_sta_update(dev, sta, vif, true,
691 MT76_STA_INFO_STATE_NONE);
692 if (ret)
693 return ret;
694
695 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
696
697 return 0;
698}
699EXPORT_SYMBOL_GPL(mt7921_mac_sta_add);
700
701void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
702 struct ieee80211_sta *sta)
703{
704 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
705 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
706 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
707
708 mt7921_mutex_acquire(dev);
709
710 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
711 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid,
712 true);
713
714 mt7921_mac_wtbl_update(dev, msta->wcid.idx,
715 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
716
717 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
718
719 mt7921_mutex_release(dev);
720}
721EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc);
722
723void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
724 struct ieee80211_sta *sta)
725{
726 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
727 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
728
729 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
730 mt76_connac_pm_wake(&dev->mphy, &dev->pm);
731
732 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE);
733 mt7921_mac_wtbl_update(dev, msta->wcid.idx,
734 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
735
736 if (vif->type == NL80211_IFTYPE_STATION) {
737 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
738
739 mvif->wep_sta = NULL;
740 ewma_rssi_init(&mvif->rssi);
741 if (!sta->tdls)
742 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,
743 &mvif->sta.wcid, false);
744 }
745
746 spin_lock_bh(&dev->sta_poll_lock);
747 if (!list_empty(&msta->poll_list))
748 list_del_init(&msta->poll_list);
749 spin_unlock_bh(&dev->sta_poll_lock);
750
751 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
752}
753EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove);
754
755void mt7921_tx_worker(struct mt76_worker *w)
756{
757 struct mt7921_dev *dev = container_of(w, struct mt7921_dev,
758 mt76.tx_worker);
759
760 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
761 queue_work(dev->mt76.wq, &dev->pm.wake_work);
762 return;
763 }
764
765 mt76_txq_schedule_all(&dev->mphy);
766 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
767}
768
769static void mt7921_tx(struct ieee80211_hw *hw,
770 struct ieee80211_tx_control *control,
771 struct sk_buff *skb)
772{
773 struct mt7921_dev *dev = mt7921_hw_dev(hw);
774 struct mt76_phy *mphy = hw->priv;
775 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
776 struct ieee80211_vif *vif = info->control.vif;
777 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
778 int qid;
779
780 if (control->sta) {
781 struct mt7921_sta *sta;
782
783 sta = (struct mt7921_sta *)control->sta->drv_priv;
784 wcid = &sta->wcid;
785 }
786
787 if (vif && !control->sta) {
788 struct mt7921_vif *mvif;
789
790 mvif = (struct mt7921_vif *)vif->drv_priv;
791 wcid = &mvif->sta.wcid;
792 }
793
794 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
795 mt76_tx(mphy, control->sta, wcid, skb);
796 mt76_connac_pm_unref(mphy, &dev->pm);
797 return;
798 }
799
800 qid = skb_get_queue_mapping(skb);
801 if (qid >= MT_TXQ_PSD) {
802 qid = IEEE80211_AC_BE;
803 skb_set_queue_mapping(skb, qid);
804 }
805
806 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
807}
808
809static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
810{
811 struct mt7921_dev *dev = mt7921_hw_dev(hw);
812
813 mt7921_mutex_acquire(dev);
814 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0);
815 mt7921_mutex_release(dev);
816
817 return 0;
818}
819
820static int
821mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
822 struct ieee80211_ampdu_params *params)
823{
824 enum ieee80211_ampdu_mlme_action action = params->action;
825 struct mt7921_dev *dev = mt7921_hw_dev(hw);
826 struct ieee80211_sta *sta = params->sta;
827 struct ieee80211_txq *txq = sta->txq[params->tid];
828 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
829 u16 tid = params->tid;
830 u16 ssn = params->ssn;
831 struct mt76_txq *mtxq;
832 int ret = 0;
833
834 if (!txq)
835 return -EINVAL;
836
837 mtxq = (struct mt76_txq *)txq->drv_priv;
838
839 mt7921_mutex_acquire(dev);
840 switch (action) {
841 case IEEE80211_AMPDU_RX_START:
842 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
843 params->buf_size);
844 mt7921_mcu_uni_rx_ba(dev, params, true);
845 break;
846 case IEEE80211_AMPDU_RX_STOP:
847 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
848 mt7921_mcu_uni_rx_ba(dev, params, false);
849 break;
850 case IEEE80211_AMPDU_TX_OPERATIONAL:
851 mtxq->aggr = true;
852 mtxq->send_bar = false;
853 mt7921_mcu_uni_tx_ba(dev, params, true);
854 break;
855 case IEEE80211_AMPDU_TX_STOP_FLUSH:
856 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
857 mtxq->aggr = false;
858 clear_bit(tid, &msta->ampdu_state);
859 mt7921_mcu_uni_tx_ba(dev, params, false);
860 break;
861 case IEEE80211_AMPDU_TX_START:
862 set_bit(tid, &msta->ampdu_state);
863 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
864 break;
865 case IEEE80211_AMPDU_TX_STOP_CONT:
866 mtxq->aggr = false;
867 clear_bit(tid, &msta->ampdu_state);
868 mt7921_mcu_uni_tx_ba(dev, params, false);
869 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
870 break;
871 }
872 mt7921_mutex_release(dev);
873
874 return ret;
875}
876
877static int mt7921_sta_state(struct ieee80211_hw *hw,
878 struct ieee80211_vif *vif,
879 struct ieee80211_sta *sta,
880 enum ieee80211_sta_state old_state,
881 enum ieee80211_sta_state new_state)
882{
883 struct mt7921_dev *dev = mt7921_hw_dev(hw);
884
885 if (dev->pm.ds_enable) {
886 mt7921_mutex_acquire(dev);
887 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state);
888 mt7921_mutex_release(dev);
889 }
890
891 return mt76_sta_state(hw, vif, sta, old_state, new_state);
892}
893
894static int
895mt7921_get_stats(struct ieee80211_hw *hw,
896 struct ieee80211_low_level_stats *stats)
897{
898 struct mt7921_phy *phy = mt7921_hw_phy(hw);
899 struct mib_stats *mib = &phy->mib;
900
901 mt7921_mutex_acquire(phy->dev);
902
903 stats->dot11RTSSuccessCount = mib->rts_cnt;
904 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
905 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
906 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
907
908 mt7921_mutex_release(phy->dev);
909
910 return 0;
911}
912
913static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = {
914 /* tx counters */
915 "tx_ampdu_cnt",
916 "tx_mpdu_attempts",
917 "tx_mpdu_success",
918 "tx_pkt_ebf_cnt",
919 "tx_pkt_ibf_cnt",
920 "tx_ampdu_len:0-1",
921 "tx_ampdu_len:2-10",
922 "tx_ampdu_len:11-19",
923 "tx_ampdu_len:20-28",
924 "tx_ampdu_len:29-37",
925 "tx_ampdu_len:38-46",
926 "tx_ampdu_len:47-55",
927 "tx_ampdu_len:56-79",
928 "tx_ampdu_len:80-103",
929 "tx_ampdu_len:104-127",
930 "tx_ampdu_len:128-151",
931 "tx_ampdu_len:152-175",
932 "tx_ampdu_len:176-199",
933 "tx_ampdu_len:200-223",
934 "tx_ampdu_len:224-247",
935 "ba_miss_count",
936 "tx_beamformer_ppdu_iBF",
937 "tx_beamformer_ppdu_eBF",
938 "tx_beamformer_rx_feedback_all",
939 "tx_beamformer_rx_feedback_he",
940 "tx_beamformer_rx_feedback_vht",
941 "tx_beamformer_rx_feedback_ht",
942 "tx_msdu_pack_1",
943 "tx_msdu_pack_2",
944 "tx_msdu_pack_3",
945 "tx_msdu_pack_4",
946 "tx_msdu_pack_5",
947 "tx_msdu_pack_6",
948 "tx_msdu_pack_7",
949 "tx_msdu_pack_8",
950 /* rx counters */
951 "rx_mpdu_cnt",
952 "rx_ampdu_cnt",
953 "rx_ampdu_bytes_cnt",
954 "rx_ba_cnt",
955 /* per vif counters */
956 "v_tx_mode_cck",
957 "v_tx_mode_ofdm",
958 "v_tx_mode_ht",
959 "v_tx_mode_ht_gf",
960 "v_tx_mode_vht",
961 "v_tx_mode_he_su",
962 "v_tx_mode_he_ext_su",
963 "v_tx_mode_he_tb",
964 "v_tx_mode_he_mu",
965 "v_tx_bw_20",
966 "v_tx_bw_40",
967 "v_tx_bw_80",
968 "v_tx_bw_160",
969 "v_tx_mcs_0",
970 "v_tx_mcs_1",
971 "v_tx_mcs_2",
972 "v_tx_mcs_3",
973 "v_tx_mcs_4",
974 "v_tx_mcs_5",
975 "v_tx_mcs_6",
976 "v_tx_mcs_7",
977 "v_tx_mcs_8",
978 "v_tx_mcs_9",
979 "v_tx_mcs_10",
980 "v_tx_mcs_11",
981};
982
983static void
984mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
985 u32 sset, u8 *data)
986{
987 if (sset != ETH_SS_STATS)
988 return;
989
990 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats));
991}
992
993static int
994mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
995 int sset)
996{
997 return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0;
998}
999
1000static void
1001mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1002{
1003 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
1004 struct mt76_ethtool_worker_info *wi = wi_data;
1005
1006 if (msta->vif->mt76.idx != wi->idx)
1007 return;
1008
1009 mt76_ethtool_worker(wi, &msta->stats);
1010}
1011
1012static
1013void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1014 struct ethtool_stats *stats, u64 *data)
1015{
1016 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1017 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1018 struct mt7921_dev *dev = phy->dev;
1019 struct mib_stats *mib = &phy->mib;
1020 struct mt76_ethtool_worker_info wi = {
1021 .data = data,
1022 .idx = mvif->mt76.idx,
1023 };
1024 int i, ei = 0;
1025
1026 mt7921_mutex_acquire(dev);
1027
1028 mt7921_mac_update_mib_stats(phy);
1029
1030 data[ei++] = mib->tx_ampdu_cnt;
1031 data[ei++] = mib->tx_mpdu_attempts_cnt;
1032 data[ei++] = mib->tx_mpdu_success_cnt;
1033 data[ei++] = mib->tx_pkt_ebf_cnt;
1034 data[ei++] = mib->tx_pkt_ibf_cnt;
1035
1036 /* Tx ampdu stat */
1037 for (i = 0; i < 15; i++)
1038 data[ei++] = dev->mt76.aggr_stats[i];
1039
1040 data[ei++] = phy->mib.ba_miss_cnt;
1041
1042 /* Tx Beamformer monitor */
1043 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1044 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1045
1046 /* Tx Beamformer Rx feedback monitor */
1047 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1048 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1049 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1050 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1051
1052 /* Tx amsdu info (pack-count histogram) */
1053 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1054 data[ei++] = mib->tx_amsdu[i];
1055
1056 /* rx counters */
1057 data[ei++] = mib->rx_mpdu_cnt;
1058 data[ei++] = mib->rx_ampdu_cnt;
1059 data[ei++] = mib->rx_ampdu_bytes_cnt;
1060 data[ei++] = mib->rx_ba_cnt;
1061
1062 /* Add values for all stations owned by this vif */
1063 wi.initial_stat_idx = ei;
1064 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi);
1065
1066 mt7921_mutex_release(dev);
1067
1068 if (!wi.sta_count)
1069 return;
1070
1071 ei += wi.worker_stat_count;
1072 if (ei != ARRAY_SIZE(mt7921_gstrings_stats))
1073 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu",
1074 ei, ARRAY_SIZE(mt7921_gstrings_stats));
1075}
1076
1077static u64
1078mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1079{
1080 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1081 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1082 u8 omac_idx = mvif->mt76.omac_idx;
1083 union {
1084 u64 t64;
1085 u32 t32[2];
1086 } tsf;
1087 u16 n;
1088
1089 mt7921_mutex_acquire(dev);
1090
1091 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
1092 /* TSF software read */
1093 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE);
1094 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0));
1095 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0));
1096
1097 mt7921_mutex_release(dev);
1098
1099 return tsf.t64;
1100}
1101
1102static void
1103mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1104 u64 timestamp)
1105{
1106 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1107 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1108 u8 omac_idx = mvif->mt76.omac_idx;
1109 union {
1110 u64 t64;
1111 u32 t32[2];
1112 } tsf = { .t64 = timestamp, };
1113 u16 n;
1114
1115 mt7921_mutex_acquire(dev);
1116
1117 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
1118 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]);
1119 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]);
1120 /* TSF software overwrite */
1121 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE);
1122
1123 mt7921_mutex_release(dev);
1124}
1125
1126static void
1127mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
1128{
1129 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1130 struct mt7921_dev *dev = phy->dev;
1131
1132 mt7921_mutex_acquire(dev);
1133 phy->coverage_class = max_t(s16, coverage_class, 0);
1134 mt7921_mac_set_timing(phy);
1135 mt7921_mutex_release(dev);
1136}
1137
1138void mt7921_scan_work(struct work_struct *work)
1139{
1140 struct mt7921_phy *phy;
1141
1142 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy,
1143 scan_work.work);
1144
1145 while (true) {
1146 struct mt7921_mcu_rxd *rxd;
1147 struct sk_buff *skb;
1148
1149 spin_lock_bh(&phy->dev->mt76.lock);
1150 skb = __skb_dequeue(&phy->scan_event_list);
1151 spin_unlock_bh(&phy->dev->mt76.lock);
1152
1153 if (!skb)
1154 break;
1155
1156 rxd = (struct mt7921_mcu_rxd *)skb->data;
1157 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1158 ieee80211_sched_scan_results(phy->mt76->hw);
1159 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1160 &phy->mt76->state)) {
1161 struct cfg80211_scan_info info = {
1162 .aborted = false,
1163 };
1164
1165 ieee80211_scan_completed(phy->mt76->hw, &info);
1166 }
1167 dev_kfree_skb(skb);
1168 }
1169}
1170
1171static int
1172mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1173 struct ieee80211_scan_request *req)
1174{
1175 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1176 struct mt76_phy *mphy = hw->priv;
1177 int err;
1178
1179 mt7921_mutex_acquire(dev);
1180 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1181 mt7921_mutex_release(dev);
1182
1183 return err;
1184}
1185
1186static void
1187mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1188{
1189 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1190 struct mt76_phy *mphy = hw->priv;
1191
1192 mt7921_mutex_acquire(dev);
1193 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1194 mt7921_mutex_release(dev);
1195}
1196
1197static int
1198mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1199 struct cfg80211_sched_scan_request *req,
1200 struct ieee80211_scan_ies *ies)
1201{
1202 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1203 struct mt76_phy *mphy = hw->priv;
1204 int err;
1205
1206 mt7921_mutex_acquire(dev);
1207
1208 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1209 if (err < 0)
1210 goto out;
1211
1212 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1213out:
1214 mt7921_mutex_release(dev);
1215
1216 return err;
1217}
1218
1219static int
1220mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1221{
1222 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1223 struct mt76_phy *mphy = hw->priv;
1224 int err;
1225
1226 mt7921_mutex_acquire(dev);
1227 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1228 mt7921_mutex_release(dev);
1229
1230 return err;
1231}
1232
1233static int
1234mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1235{
1236 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1237 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1238 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1239
1240 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1241 return -EINVAL;
1242
1243 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1244 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1245
1246 mt7921_mutex_acquire(dev);
1247
1248 phy->mt76->antenna_mask = tx_ant;
1249 phy->mt76->chainmask = tx_ant;
1250
1251 mt76_set_stream_caps(phy->mt76, true);
1252 mt7921_set_stream_he_caps(phy);
1253
1254 mt7921_mutex_release(dev);
1255
1256 return 0;
1257}
1258
1259static void mt7921_sta_statistics(struct ieee80211_hw *hw,
1260 struct ieee80211_vif *vif,
1261 struct ieee80211_sta *sta,
1262 struct station_info *sinfo)
1263{
1264 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
1265 struct rate_info *txrate = &msta->wcid.rate;
1266
1267 if (!txrate->legacy && !txrate->flags)
1268 return;
1269
1270 if (txrate->legacy) {
1271 sinfo->txrate.legacy = txrate->legacy;
1272 } else {
1273 sinfo->txrate.mcs = txrate->mcs;
1274 sinfo->txrate.nss = txrate->nss;
1275 sinfo->txrate.bw = txrate->bw;
1276 sinfo->txrate.he_gi = txrate->he_gi;
1277 sinfo->txrate.he_dcm = txrate->he_dcm;
1278 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
1279 }
1280 sinfo->txrate.flags = txrate->flags;
1281 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1282}
1283
1284#ifdef CONFIG_PM
1285static int mt7921_suspend(struct ieee80211_hw *hw,
1286 struct cfg80211_wowlan *wowlan)
1287{
1288 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1289 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1290
1291 cancel_delayed_work_sync(&phy->scan_work);
1292 cancel_delayed_work_sync(&phy->mt76->mac_work);
1293
1294 cancel_delayed_work_sync(&dev->pm.ps_work);
1295 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1296
1297 mt7921_mutex_acquire(dev);
1298
1299 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1300 ieee80211_iterate_active_interfaces(hw,
1301 IEEE80211_IFACE_ITER_RESUME_ALL,
1302 mt76_connac_mcu_set_suspend_iter,
1303 &dev->mphy);
1304
1305 mt7921_mutex_release(dev);
1306
1307 return 0;
1308}
1309
1310static int mt7921_resume(struct ieee80211_hw *hw)
1311{
1312 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1313 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1314
1315 mt7921_mutex_acquire(dev);
1316
1317 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1318 ieee80211_iterate_active_interfaces(hw,
1319 IEEE80211_IFACE_ITER_RESUME_ALL,
1320 mt76_connac_mcu_set_suspend_iter,
1321 &dev->mphy);
1322
1323 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
1324 MT7921_WATCHDOG_TIME);
1325
1326 mt7921_mutex_release(dev);
1327
1328 return 0;
1329}
1330
1331static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1332{
1333 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1334 struct mt76_dev *mdev = &dev->mt76;
1335
1336 device_set_wakeup_enable(mdev->dev, enabled);
1337}
1338
1339static void mt7921_set_rekey_data(struct ieee80211_hw *hw,
1340 struct ieee80211_vif *vif,
1341 struct cfg80211_gtk_rekey_data *data)
1342{
1343 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1344
1345 mt7921_mutex_acquire(dev);
1346 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1347 mt7921_mutex_release(dev);
1348}
1349#endif /* CONFIG_PM */
1350
1351static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1352 u32 queues, bool drop)
1353{
1354 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1355
1356 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy),
1357 HZ / 2);
1358}
1359
1360static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw,
1361 struct ieee80211_vif *vif,
1362 struct ieee80211_sta *sta,
1363 bool enabled)
1364{
1365 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
1366 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1367
1368 if (enabled)
1369 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1370 else
1371 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1372
1373 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid,
1374 MCU_UNI_CMD(STA_REC_UPDATE));
1375}
1376
1377static int mt7921_set_sar_specs(struct ieee80211_hw *hw,
1378 const struct cfg80211_sar_specs *sar)
1379{
1380 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1381 struct mt76_phy *mphy = hw->priv;
1382 int err;
1383
1384 mt7921_mutex_acquire(dev);
1385 err = mt76_init_sar_power(hw, sar);
1386 if (err)
1387 goto out;
1388
1389 err = mt76_connac_mcu_set_rate_txpower(mphy);
1390out:
1391 mt7921_mutex_release(dev);
1392
1393 return err;
1394}
1395
1396const struct ieee80211_ops mt7921_ops = {
1397 .tx = mt7921_tx,
1398 .start = mt7921_start,
1399 .stop = mt7921_stop,
1400 .add_interface = mt7921_add_interface,
1401 .remove_interface = mt7921_remove_interface,
1402 .config = mt7921_config,
1403 .conf_tx = mt7921_conf_tx,
1404 .configure_filter = mt7921_configure_filter,
1405 .bss_info_changed = mt7921_bss_info_changed,
1406 .sta_state = mt7921_sta_state,
1407 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1408 .set_key = mt7921_set_key,
1409 .sta_set_decap_offload = mt7921_sta_set_decap_offload,
1410 .ampdu_action = mt7921_ampdu_action,
1411 .set_rts_threshold = mt7921_set_rts_threshold,
1412 .wake_tx_queue = mt76_wake_tx_queue,
1413 .release_buffered_frames = mt76_release_buffered_frames,
1414 .get_txpower = mt76_get_txpower,
1415 .get_stats = mt7921_get_stats,
1416 .get_et_sset_count = mt7921_get_et_sset_count,
1417 .get_et_strings = mt7921_get_et_strings,
1418 .get_et_stats = mt7921_get_et_stats,
1419 .get_tsf = mt7921_get_tsf,
1420 .set_tsf = mt7921_set_tsf,
1421 .get_survey = mt76_get_survey,
1422 .get_antenna = mt76_get_antenna,
1423 .set_antenna = mt7921_set_antenna,
1424 .set_coverage_class = mt7921_set_coverage_class,
1425 .hw_scan = mt7921_hw_scan,
1426 .cancel_hw_scan = mt7921_cancel_hw_scan,
1427 .sta_statistics = mt7921_sta_statistics,
1428 .sched_scan_start = mt7921_start_sched_scan,
1429 .sched_scan_stop = mt7921_stop_sched_scan,
1430 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd)
1431 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump)
1432#ifdef CONFIG_PM
1433 .suspend = mt7921_suspend,
1434 .resume = mt7921_resume,
1435 .set_wakeup = mt7921_set_wakeup,
1436 .set_rekey_data = mt7921_set_rekey_data,
1437#endif /* CONFIG_PM */
1438 .flush = mt7921_flush,
1439 .set_sar_specs = mt7921_set_sar_specs,
1440};
1441EXPORT_SYMBOL_GPL(mt7921_ops);
1442
1443MODULE_LICENSE("Dual BSD/GPL");
1444MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");