1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include <linux/etherdevice.h> 5 #include <linux/platform_device.h> 6 #include <linux/pci.h> 7 #include <linux/module.h> 8 #include <net/ipv6.h> 9 #include "mt7921.h" 10 #include "mcu.h" 11 12 static void 13 mt7921_gen_ppe_thresh(u8 *he_ppet, int nss) 14 { 15 u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ 16 static const u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; 17 18 he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | 19 FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, 20 ru_bit_mask); 21 22 ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * 23 nss * hweight8(ru_bit_mask) * 2; 24 ppet_size = DIV_ROUND_UP(ppet_bits, 8); 25 26 for (i = 0; i < ppet_size - 1; i++) 27 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; 28 29 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & 30 (0xff >> (8 - (ppet_bits - 1) % 8)); 31 } 32 33 static int 34 mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, 35 struct ieee80211_sband_iftype_data *data) 36 { 37 int i, idx = 0; 38 int nss = hweight8(phy->mt76->chainmask); 39 u16 mcs_map = 0; 40 41 for (i = 0; i < 8; i++) { 42 if (i < nss) 43 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); 44 else 45 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); 46 } 47 48 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 49 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 50 struct ieee80211_he_cap_elem *he_cap_elem = 51 &he_cap->he_cap_elem; 52 struct ieee80211_he_mcs_nss_supp *he_mcs = 53 &he_cap->he_mcs_nss_supp; 54 55 switch (i) { 56 case NL80211_IFTYPE_STATION: 57 case NL80211_IFTYPE_AP: 58 break; 59 default: 60 continue; 61 } 62 63 data[idx].types_mask = BIT(i); 64 he_cap->has_he = true; 65 66 he_cap_elem->mac_cap_info[0] = 67 IEEE80211_HE_MAC_CAP0_HTC_HE; 68 he_cap_elem->mac_cap_info[3] = 69 IEEE80211_HE_MAC_CAP3_OMI_CONTROL | 70 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; 71 he_cap_elem->mac_cap_info[4] = 72 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; 73 74 if (band == NL80211_BAND_2GHZ) 75 he_cap_elem->phy_cap_info[0] = 76 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 77 else 78 he_cap_elem->phy_cap_info[0] = 79 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; 80 81 he_cap_elem->phy_cap_info[1] = 82 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 83 he_cap_elem->phy_cap_info[2] = 84 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 85 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 86 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | 87 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 88 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 89 90 switch (i) { 91 case NL80211_IFTYPE_AP: 92 he_cap_elem->mac_cap_info[2] |= 93 IEEE80211_HE_MAC_CAP2_BSR; 94 he_cap_elem->mac_cap_info[4] |= 95 IEEE80211_HE_MAC_CAP4_BQR; 96 he_cap_elem->mac_cap_info[5] |= 97 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; 98 he_cap_elem->phy_cap_info[3] |= 99 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 100 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 101 he_cap_elem->phy_cap_info[6] |= 102 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 103 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 104 he_cap_elem->phy_cap_info[9] |= 105 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 106 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; 107 break; 108 case NL80211_IFTYPE_STATION: 109 he_cap_elem->mac_cap_info[1] |= 110 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 111 112 if (band == NL80211_BAND_2GHZ) 113 he_cap_elem->phy_cap_info[0] |= 114 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 115 else 116 he_cap_elem->phy_cap_info[0] |= 117 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 118 119 he_cap_elem->phy_cap_info[1] |= 120 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 121 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 122 he_cap_elem->phy_cap_info[3] |= 123 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 124 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 125 he_cap_elem->phy_cap_info[4] |= 126 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 127 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; 128 he_cap_elem->phy_cap_info[5] |= 129 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | 130 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 131 he_cap_elem->phy_cap_info[6] |= 132 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 133 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 134 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 135 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 136 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 137 he_cap_elem->phy_cap_info[7] |= 138 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 139 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; 140 he_cap_elem->phy_cap_info[8] |= 141 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 142 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; 143 he_cap_elem->phy_cap_info[9] |= 144 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 145 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 146 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 147 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 148 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 149 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 150 151 if (is_mt7922(phy->mt76->dev)) { 152 he_cap_elem->phy_cap_info[0] |= 153 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; 154 he_cap_elem->phy_cap_info[8] |= 155 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 156 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 157 } 158 break; 159 } 160 161 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 162 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 163 if (is_mt7922(phy->mt76->dev)) { 164 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 165 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 166 } 167 168 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 169 if (he_cap_elem->phy_cap_info[6] & 170 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 171 mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss); 172 } else { 173 he_cap_elem->phy_cap_info[9] |= 174 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, 175 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 176 } 177 178 if (band == NL80211_BAND_6GHZ) { 179 struct ieee80211_supported_band *sband = 180 &phy->mt76->sband_5g.sband; 181 struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap; 182 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; 183 u32 exp; 184 u16 cap; 185 186 cap = u16_encode_bits(ht_cap->ampdu_density, 187 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); 188 exp = u32_get_bits(vht_cap->cap, 189 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); 190 cap |= u16_encode_bits(exp, 191 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); 192 exp = u32_get_bits(vht_cap->cap, 193 IEEE80211_VHT_CAP_MAX_MPDU_MASK); 194 cap |= u16_encode_bits(exp, 195 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); 196 if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) 197 cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; 198 if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) 199 cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 200 201 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); 202 } 203 idx++; 204 } 205 206 return idx; 207 } 208 209 void mt7921_set_stream_he_caps(struct mt7921_phy *phy) 210 { 211 struct ieee80211_sband_iftype_data *data; 212 struct ieee80211_supported_band *band; 213 int n; 214 215 if (phy->mt76->cap.has_2ghz) { 216 data = phy->iftype[NL80211_BAND_2GHZ]; 217 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); 218 219 band = &phy->mt76->sband_2g.sband; 220 band->iftype_data = data; 221 band->n_iftype_data = n; 222 } 223 224 if (phy->mt76->cap.has_5ghz) { 225 data = phy->iftype[NL80211_BAND_5GHZ]; 226 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); 227 228 band = &phy->mt76->sband_5g.sband; 229 band->iftype_data = data; 230 band->n_iftype_data = n; 231 232 if (phy->mt76->cap.has_6ghz) { 233 data = phy->iftype[NL80211_BAND_6GHZ]; 234 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); 235 236 band = &phy->mt76->sband_6g.sband; 237 band->iftype_data = data; 238 band->n_iftype_data = n; 239 } 240 } 241 } 242 243 int __mt7921_start(struct mt7921_phy *phy) 244 { 245 struct mt76_phy *mphy = phy->mt76; 246 int err; 247 248 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); 249 if (err) 250 return err; 251 252 err = mt76_connac_mcu_set_channel_domain(mphy); 253 if (err) 254 return err; 255 256 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 257 if (err) 258 return err; 259 260 err = mt7921_set_tx_sar_pwr(mphy->hw, NULL); 261 if (err) 262 return err; 263 264 mt7921_mac_reset_counters(phy); 265 set_bit(MT76_STATE_RUNNING, &mphy->state); 266 267 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 268 MT7921_WATCHDOG_TIME); 269 270 return 0; 271 } 272 EXPORT_SYMBOL_GPL(__mt7921_start); 273 274 static int mt7921_start(struct ieee80211_hw *hw) 275 { 276 struct mt7921_phy *phy = mt7921_hw_phy(hw); 277 int err; 278 279 mt7921_mutex_acquire(phy->dev); 280 err = __mt7921_start(phy); 281 mt7921_mutex_release(phy->dev); 282 283 return err; 284 } 285 286 void mt7921_stop(struct ieee80211_hw *hw) 287 { 288 struct mt7921_dev *dev = mt7921_hw_dev(hw); 289 struct mt7921_phy *phy = mt7921_hw_phy(hw); 290 291 cancel_delayed_work_sync(&phy->mt76->mac_work); 292 293 cancel_delayed_work_sync(&dev->pm.ps_work); 294 cancel_work_sync(&dev->pm.wake_work); 295 cancel_work_sync(&dev->reset_work); 296 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 297 298 mt7921_mutex_acquire(dev); 299 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 300 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 301 mt7921_mutex_release(dev); 302 } 303 EXPORT_SYMBOL_GPL(mt7921_stop); 304 305 static int mt7921_add_interface(struct ieee80211_hw *hw, 306 struct ieee80211_vif *vif) 307 { 308 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 309 struct mt7921_dev *dev = mt7921_hw_dev(hw); 310 struct mt7921_phy *phy = mt7921_hw_phy(hw); 311 struct mt76_txq *mtxq; 312 int idx, ret = 0; 313 314 mt7921_mutex_acquire(dev); 315 316 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 317 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { 318 ret = -ENOSPC; 319 goto out; 320 } 321 322 mvif->mt76.omac_idx = mvif->mt76.idx; 323 mvif->phy = phy; 324 mvif->mt76.band_idx = 0; 325 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 326 327 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 328 true); 329 if (ret) 330 goto out; 331 332 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 333 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 334 335 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; 336 337 INIT_LIST_HEAD(&mvif->sta.poll_list); 338 mvif->sta.wcid.idx = idx; 339 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 340 mvif->sta.wcid.hw_key_idx = -1; 341 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 342 mt76_packet_id_init(&mvif->sta.wcid); 343 344 mt7921_mac_wtbl_update(dev, idx, 345 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 346 347 ewma_rssi_init(&mvif->rssi); 348 349 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 350 if (vif->txq) { 351 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 352 mtxq->wcid = idx; 353 } 354 355 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 356 out: 357 mt7921_mutex_release(dev); 358 359 return ret; 360 } 361 362 static void mt7921_remove_interface(struct ieee80211_hw *hw, 363 struct ieee80211_vif *vif) 364 { 365 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 366 struct mt7921_sta *msta = &mvif->sta; 367 struct mt7921_dev *dev = mt7921_hw_dev(hw); 368 struct mt7921_phy *phy = mt7921_hw_phy(hw); 369 int idx = msta->wcid.idx; 370 371 mt7921_mutex_acquire(dev); 372 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 373 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); 374 375 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 376 377 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 378 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 379 mt7921_mutex_release(dev); 380 381 spin_lock_bh(&dev->sta_poll_lock); 382 if (!list_empty(&msta->poll_list)) 383 list_del_init(&msta->poll_list); 384 spin_unlock_bh(&dev->sta_poll_lock); 385 386 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 387 } 388 389 static void mt7921_roc_iter(void *priv, u8 *mac, 390 struct ieee80211_vif *vif) 391 { 392 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 393 struct mt7921_phy *phy = priv; 394 395 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 396 } 397 398 void mt7921_roc_work(struct work_struct *work) 399 { 400 struct mt7921_phy *phy; 401 402 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 403 roc_work); 404 405 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 406 return; 407 408 mt7921_mutex_acquire(phy->dev); 409 ieee80211_iterate_active_interfaces(phy->mt76->hw, 410 IEEE80211_IFACE_ITER_RESUME_ALL, 411 mt7921_roc_iter, phy); 412 mt7921_mutex_release(phy->dev); 413 ieee80211_remain_on_channel_expired(phy->mt76->hw); 414 } 415 416 void mt7921_roc_timer(struct timer_list *timer) 417 { 418 struct mt7921_phy *phy = from_timer(phy, timer, roc_timer); 419 420 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); 421 } 422 423 static int mt7921_abort_roc(struct mt7921_phy *phy, struct mt7921_vif *vif) 424 { 425 int err = 0; 426 427 del_timer_sync(&phy->roc_timer); 428 cancel_work_sync(&phy->roc_work); 429 430 mt7921_mutex_acquire(phy->dev); 431 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 432 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 433 mt7921_mutex_release(phy->dev); 434 435 return err; 436 } 437 438 static int mt7921_set_roc(struct mt7921_phy *phy, 439 struct mt7921_vif *vif, 440 struct ieee80211_channel *chan, 441 int duration, 442 enum mt7921_roc_req type) 443 { 444 int err; 445 446 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 447 return -EBUSY; 448 449 phy->roc_grant = false; 450 451 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 452 ++phy->roc_token_id); 453 if (err < 0) { 454 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 455 goto out; 456 } 457 458 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 459 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 460 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 461 err = -ETIMEDOUT; 462 } 463 464 out: 465 return err; 466 } 467 468 static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 469 struct ieee80211_vif *vif, 470 struct ieee80211_channel *chan, 471 int duration, 472 enum ieee80211_roc_type type) 473 { 474 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 475 struct mt7921_phy *phy = mt7921_hw_phy(hw); 476 int err; 477 478 mt7921_mutex_acquire(phy->dev); 479 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 480 mt7921_mutex_release(phy->dev); 481 482 return err; 483 } 484 485 static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 486 struct ieee80211_vif *vif) 487 { 488 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 489 struct mt7921_phy *phy = mt7921_hw_phy(hw); 490 491 return mt7921_abort_roc(phy, mvif); 492 } 493 494 static int mt7921_set_channel(struct mt7921_phy *phy) 495 { 496 struct mt7921_dev *dev = phy->dev; 497 int ret; 498 499 cancel_delayed_work_sync(&phy->mt76->mac_work); 500 501 mt7921_mutex_acquire(dev); 502 set_bit(MT76_RESET, &phy->mt76->state); 503 504 mt76_set_channel(phy->mt76); 505 506 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 507 if (ret) 508 goto out; 509 510 mt7921_mac_set_timing(phy); 511 512 mt7921_mac_reset_counters(phy); 513 phy->noise = 0; 514 515 out: 516 clear_bit(MT76_RESET, &phy->mt76->state); 517 mt7921_mutex_release(dev); 518 519 mt76_worker_schedule(&dev->mt76.tx_worker); 520 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 521 MT7921_WATCHDOG_TIME); 522 523 return ret; 524 } 525 526 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 527 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 528 struct ieee80211_key_conf *key) 529 { 530 struct mt7921_dev *dev = mt7921_hw_dev(hw); 531 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 532 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : 533 &mvif->sta; 534 struct mt76_wcid *wcid = &msta->wcid; 535 u8 *wcid_keyidx = &wcid->hw_key_idx; 536 int idx = key->keyidx, err = 0; 537 538 /* The hardware does not support per-STA RX GTK, fallback 539 * to software mode for these. 540 */ 541 if ((vif->type == NL80211_IFTYPE_ADHOC || 542 vif->type == NL80211_IFTYPE_MESH_POINT) && 543 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 544 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 545 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 546 return -EOPNOTSUPP; 547 548 /* fall back to sw encryption for unsupported ciphers */ 549 switch (key->cipher) { 550 case WLAN_CIPHER_SUITE_AES_CMAC: 551 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 552 wcid_keyidx = &wcid->hw_key_idx2; 553 break; 554 case WLAN_CIPHER_SUITE_WEP40: 555 case WLAN_CIPHER_SUITE_WEP104: 556 if (!mvif->wep_sta) 557 return -EOPNOTSUPP; 558 break; 559 case WLAN_CIPHER_SUITE_TKIP: 560 case WLAN_CIPHER_SUITE_CCMP: 561 case WLAN_CIPHER_SUITE_CCMP_256: 562 case WLAN_CIPHER_SUITE_GCMP: 563 case WLAN_CIPHER_SUITE_GCMP_256: 564 case WLAN_CIPHER_SUITE_SMS4: 565 break; 566 default: 567 return -EOPNOTSUPP; 568 } 569 570 mt7921_mutex_acquire(dev); 571 572 if (cmd == SET_KEY) { 573 *wcid_keyidx = idx; 574 } else { 575 if (idx == *wcid_keyidx) 576 *wcid_keyidx = -1; 577 goto out; 578 } 579 580 mt76_wcid_key_setup(&dev->mt76, wcid, key); 581 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 582 key, MCU_UNI_CMD(STA_REC_UPDATE), 583 &msta->wcid, cmd); 584 if (err) 585 goto out; 586 587 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 588 key->cipher == WLAN_CIPHER_SUITE_WEP40) 589 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 590 &mvif->wep_sta->bip, 591 key, MCU_UNI_CMD(STA_REC_UPDATE), 592 &mvif->wep_sta->wcid, cmd); 593 out: 594 mt7921_mutex_release(dev); 595 596 return err; 597 } 598 599 static void 600 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 601 { 602 struct mt7921_dev *dev = priv; 603 struct ieee80211_hw *hw = mt76_hw(dev); 604 bool pm_enable = dev->pm.enable; 605 int err; 606 607 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 608 if (err < 0) 609 return; 610 611 if (pm_enable) { 612 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 613 ieee80211_hw_set(hw, CONNECTION_MONITOR); 614 } else { 615 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 616 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 617 } 618 } 619 620 static void 621 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 622 { 623 struct mt7921_dev *dev = priv; 624 struct ieee80211_hw *hw = mt76_hw(dev); 625 struct mt76_connac_pm *pm = &dev->pm; 626 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 627 628 mt7921_mcu_set_sniffer(dev, vif, monitor); 629 pm->enable = pm->enable_user && !monitor; 630 pm->ds_enable = pm->ds_enable_user && !monitor; 631 632 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 633 634 if (monitor) 635 mt7921_mcu_set_beacon_filter(dev, vif, false); 636 } 637 638 void mt7921_set_runtime_pm(struct mt7921_dev *dev) 639 { 640 struct ieee80211_hw *hw = mt76_hw(dev); 641 struct mt76_connac_pm *pm = &dev->pm; 642 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 643 644 pm->enable = pm->enable_user && !monitor; 645 ieee80211_iterate_active_interfaces(hw, 646 IEEE80211_IFACE_ITER_RESUME_ALL, 647 mt7921_pm_interface_iter, dev); 648 pm->ds_enable = pm->ds_enable_user && !monitor; 649 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 650 } 651 652 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 653 { 654 struct mt7921_dev *dev = mt7921_hw_dev(hw); 655 struct mt7921_phy *phy = mt7921_hw_phy(hw); 656 int ret = 0; 657 658 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 659 ieee80211_stop_queues(hw); 660 ret = mt7921_set_channel(phy); 661 if (ret) 662 return ret; 663 ieee80211_wake_queues(hw); 664 } 665 666 mt7921_mutex_acquire(dev); 667 668 if (changed & IEEE80211_CONF_CHANGE_POWER) { 669 ret = mt7921_set_tx_sar_pwr(hw, NULL); 670 if (ret) 671 goto out; 672 } 673 674 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 675 ieee80211_iterate_active_interfaces(hw, 676 IEEE80211_IFACE_ITER_RESUME_ALL, 677 mt7921_sniffer_interface_iter, dev); 678 } 679 680 out: 681 mt7921_mutex_release(dev); 682 683 return ret; 684 } 685 686 static int 687 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 688 unsigned int link_id, u16 queue, 689 const struct ieee80211_tx_queue_params *params) 690 { 691 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 692 693 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 694 queue = mt76_connac_lmac_mapping(queue); 695 mvif->queue_params[queue] = *params; 696 697 return 0; 698 } 699 700 static void mt7921_configure_filter(struct ieee80211_hw *hw, 701 unsigned int changed_flags, 702 unsigned int *total_flags, 703 u64 multicast) 704 { 705 struct mt7921_dev *dev = mt7921_hw_dev(hw); 706 707 mt7921_mutex_acquire(dev); 708 mt7921_mcu_set_rxfilter(dev, *total_flags, 0, 0); 709 mt7921_mutex_release(dev); 710 711 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 712 } 713 714 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 715 struct ieee80211_vif *vif, 716 struct ieee80211_bss_conf *info, 717 u64 changed) 718 { 719 struct mt7921_phy *phy = mt7921_hw_phy(hw); 720 struct mt7921_dev *dev = mt7921_hw_dev(hw); 721 722 mt7921_mutex_acquire(dev); 723 724 if (changed & BSS_CHANGED_ERP_SLOT) { 725 int slottime = info->use_short_slot ? 9 : 20; 726 727 if (slottime != phy->slottime) { 728 phy->slottime = slottime; 729 mt7921_mac_set_timing(phy); 730 } 731 } 732 733 if (changed & (BSS_CHANGED_BEACON | 734 BSS_CHANGED_BEACON_ENABLED)) 735 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 736 info->enable_beacon); 737 738 /* ensure that enable txcmd_mode after bss_info */ 739 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 740 mt7921_mcu_set_tx(dev, vif); 741 742 if (changed & BSS_CHANGED_PS) 743 mt7921_mcu_uni_bss_ps(dev, vif); 744 745 if (changed & BSS_CHANGED_ASSOC) { 746 mt7921_mcu_sta_update(dev, NULL, vif, true, 747 MT76_STA_INFO_STATE_ASSOC); 748 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 749 } 750 751 if (changed & BSS_CHANGED_ARP_FILTER) { 752 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 753 754 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 755 info); 756 } 757 758 mt7921_mutex_release(dev); 759 } 760 761 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 762 struct ieee80211_sta *sta) 763 { 764 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 765 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 766 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 767 int ret, idx; 768 769 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 770 if (idx < 0) 771 return -ENOSPC; 772 773 INIT_LIST_HEAD(&msta->poll_list); 774 msta->vif = mvif; 775 msta->wcid.sta = 1; 776 msta->wcid.idx = idx; 777 msta->wcid.phy_idx = mvif->mt76.band_idx; 778 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 779 msta->last_txs = jiffies; 780 781 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 782 if (ret) 783 return ret; 784 785 if (vif->type == NL80211_IFTYPE_STATION) 786 mvif->wep_sta = msta; 787 788 mt7921_mac_wtbl_update(dev, idx, 789 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 790 791 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 792 MT76_STA_INFO_STATE_NONE); 793 if (ret) 794 return ret; 795 796 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 797 798 return 0; 799 } 800 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 801 802 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 803 struct ieee80211_sta *sta) 804 { 805 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 806 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 807 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 808 809 mt7921_mutex_acquire(dev); 810 811 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 812 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 813 true, mvif->ctx); 814 815 ewma_avg_signal_init(&msta->avg_ack_signal); 816 817 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 818 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 819 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 820 821 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 822 823 mt7921_mutex_release(dev); 824 } 825 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 826 827 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 828 struct ieee80211_sta *sta) 829 { 830 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 831 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 832 833 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 834 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 835 836 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 837 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 838 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 839 840 if (vif->type == NL80211_IFTYPE_STATION) { 841 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 842 843 mvif->wep_sta = NULL; 844 ewma_rssi_init(&mvif->rssi); 845 if (!sta->tdls) 846 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 847 &mvif->sta.wcid, false, 848 mvif->ctx); 849 } 850 851 spin_lock_bh(&dev->sta_poll_lock); 852 if (!list_empty(&msta->poll_list)) 853 list_del_init(&msta->poll_list); 854 spin_unlock_bh(&dev->sta_poll_lock); 855 856 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 857 } 858 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 859 860 void mt7921_tx_worker(struct mt76_worker *w) 861 { 862 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 863 mt76.tx_worker); 864 865 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 866 queue_work(dev->mt76.wq, &dev->pm.wake_work); 867 return; 868 } 869 870 mt76_txq_schedule_all(&dev->mphy); 871 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 872 } 873 874 static void mt7921_tx(struct ieee80211_hw *hw, 875 struct ieee80211_tx_control *control, 876 struct sk_buff *skb) 877 { 878 struct mt7921_dev *dev = mt7921_hw_dev(hw); 879 struct mt76_phy *mphy = hw->priv; 880 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 881 struct ieee80211_vif *vif = info->control.vif; 882 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 883 int qid; 884 885 if (control->sta) { 886 struct mt7921_sta *sta; 887 888 sta = (struct mt7921_sta *)control->sta->drv_priv; 889 wcid = &sta->wcid; 890 } 891 892 if (vif && !control->sta) { 893 struct mt7921_vif *mvif; 894 895 mvif = (struct mt7921_vif *)vif->drv_priv; 896 wcid = &mvif->sta.wcid; 897 } 898 899 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 900 mt76_tx(mphy, control->sta, wcid, skb); 901 mt76_connac_pm_unref(mphy, &dev->pm); 902 return; 903 } 904 905 qid = skb_get_queue_mapping(skb); 906 if (qid >= MT_TXQ_PSD) { 907 qid = IEEE80211_AC_BE; 908 skb_set_queue_mapping(skb, qid); 909 } 910 911 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 912 } 913 914 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 915 { 916 struct mt7921_dev *dev = mt7921_hw_dev(hw); 917 918 mt7921_mutex_acquire(dev); 919 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 920 mt7921_mutex_release(dev); 921 922 return 0; 923 } 924 925 static int 926 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 927 struct ieee80211_ampdu_params *params) 928 { 929 enum ieee80211_ampdu_mlme_action action = params->action; 930 struct mt7921_dev *dev = mt7921_hw_dev(hw); 931 struct ieee80211_sta *sta = params->sta; 932 struct ieee80211_txq *txq = sta->txq[params->tid]; 933 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 934 u16 tid = params->tid; 935 u16 ssn = params->ssn; 936 struct mt76_txq *mtxq; 937 int ret = 0; 938 939 if (!txq) 940 return -EINVAL; 941 942 mtxq = (struct mt76_txq *)txq->drv_priv; 943 944 mt7921_mutex_acquire(dev); 945 switch (action) { 946 case IEEE80211_AMPDU_RX_START: 947 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 948 params->buf_size); 949 mt7921_mcu_uni_rx_ba(dev, params, true); 950 break; 951 case IEEE80211_AMPDU_RX_STOP: 952 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 953 mt7921_mcu_uni_rx_ba(dev, params, false); 954 break; 955 case IEEE80211_AMPDU_TX_OPERATIONAL: 956 mtxq->aggr = true; 957 mtxq->send_bar = false; 958 mt7921_mcu_uni_tx_ba(dev, params, true); 959 break; 960 case IEEE80211_AMPDU_TX_STOP_FLUSH: 961 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 962 mtxq->aggr = false; 963 clear_bit(tid, &msta->ampdu_state); 964 mt7921_mcu_uni_tx_ba(dev, params, false); 965 break; 966 case IEEE80211_AMPDU_TX_START: 967 set_bit(tid, &msta->ampdu_state); 968 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 969 break; 970 case IEEE80211_AMPDU_TX_STOP_CONT: 971 mtxq->aggr = false; 972 clear_bit(tid, &msta->ampdu_state); 973 mt7921_mcu_uni_tx_ba(dev, params, false); 974 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 975 break; 976 } 977 mt7921_mutex_release(dev); 978 979 return ret; 980 } 981 982 static int mt7921_sta_state(struct ieee80211_hw *hw, 983 struct ieee80211_vif *vif, 984 struct ieee80211_sta *sta, 985 enum ieee80211_sta_state old_state, 986 enum ieee80211_sta_state new_state) 987 { 988 struct mt7921_dev *dev = mt7921_hw_dev(hw); 989 990 if (dev->pm.ds_enable) { 991 mt7921_mutex_acquire(dev); 992 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 993 mt7921_mutex_release(dev); 994 } 995 996 return mt76_sta_state(hw, vif, sta, old_state, new_state); 997 } 998 999 static int 1000 mt7921_get_stats(struct ieee80211_hw *hw, 1001 struct ieee80211_low_level_stats *stats) 1002 { 1003 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1004 struct mib_stats *mib = &phy->mib; 1005 1006 mt7921_mutex_acquire(phy->dev); 1007 1008 stats->dot11RTSSuccessCount = mib->rts_cnt; 1009 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 1010 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 1011 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 1012 1013 mt7921_mutex_release(phy->dev); 1014 1015 return 0; 1016 } 1017 1018 static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 1019 /* tx counters */ 1020 "tx_ampdu_cnt", 1021 "tx_mpdu_attempts", 1022 "tx_mpdu_success", 1023 "tx_pkt_ebf_cnt", 1024 "tx_pkt_ibf_cnt", 1025 "tx_ampdu_len:0-1", 1026 "tx_ampdu_len:2-10", 1027 "tx_ampdu_len:11-19", 1028 "tx_ampdu_len:20-28", 1029 "tx_ampdu_len:29-37", 1030 "tx_ampdu_len:38-46", 1031 "tx_ampdu_len:47-55", 1032 "tx_ampdu_len:56-79", 1033 "tx_ampdu_len:80-103", 1034 "tx_ampdu_len:104-127", 1035 "tx_ampdu_len:128-151", 1036 "tx_ampdu_len:152-175", 1037 "tx_ampdu_len:176-199", 1038 "tx_ampdu_len:200-223", 1039 "tx_ampdu_len:224-247", 1040 "ba_miss_count", 1041 "tx_beamformer_ppdu_iBF", 1042 "tx_beamformer_ppdu_eBF", 1043 "tx_beamformer_rx_feedback_all", 1044 "tx_beamformer_rx_feedback_he", 1045 "tx_beamformer_rx_feedback_vht", 1046 "tx_beamformer_rx_feedback_ht", 1047 "tx_msdu_pack_1", 1048 "tx_msdu_pack_2", 1049 "tx_msdu_pack_3", 1050 "tx_msdu_pack_4", 1051 "tx_msdu_pack_5", 1052 "tx_msdu_pack_6", 1053 "tx_msdu_pack_7", 1054 "tx_msdu_pack_8", 1055 /* rx counters */ 1056 "rx_mpdu_cnt", 1057 "rx_ampdu_cnt", 1058 "rx_ampdu_bytes_cnt", 1059 "rx_ba_cnt", 1060 /* per vif counters */ 1061 "v_tx_mode_cck", 1062 "v_tx_mode_ofdm", 1063 "v_tx_mode_ht", 1064 "v_tx_mode_ht_gf", 1065 "v_tx_mode_vht", 1066 "v_tx_mode_he_su", 1067 "v_tx_mode_he_ext_su", 1068 "v_tx_mode_he_tb", 1069 "v_tx_mode_he_mu", 1070 "v_tx_bw_20", 1071 "v_tx_bw_40", 1072 "v_tx_bw_80", 1073 "v_tx_bw_160", 1074 "v_tx_mcs_0", 1075 "v_tx_mcs_1", 1076 "v_tx_mcs_2", 1077 "v_tx_mcs_3", 1078 "v_tx_mcs_4", 1079 "v_tx_mcs_5", 1080 "v_tx_mcs_6", 1081 "v_tx_mcs_7", 1082 "v_tx_mcs_8", 1083 "v_tx_mcs_9", 1084 "v_tx_mcs_10", 1085 "v_tx_mcs_11", 1086 }; 1087 1088 static void 1089 mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1090 u32 sset, u8 *data) 1091 { 1092 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1093 1094 if (sset != ETH_SS_STATS) 1095 return; 1096 1097 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); 1098 1099 if (mt76_is_sdio(&dev->mt76)) 1100 return; 1101 1102 data += sizeof(mt7921_gstrings_stats); 1103 page_pool_ethtool_stats_get_strings(data); 1104 } 1105 1106 static int 1107 mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1108 int sset) 1109 { 1110 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1111 1112 if (sset != ETH_SS_STATS) 1113 return 0; 1114 1115 if (mt76_is_sdio(&dev->mt76)) 1116 return ARRAY_SIZE(mt7921_gstrings_stats); 1117 1118 return ARRAY_SIZE(mt7921_gstrings_stats) + 1119 page_pool_ethtool_stats_get_count(); 1120 } 1121 1122 static void 1123 mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1124 { 1125 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1126 struct mt76_ethtool_worker_info *wi = wi_data; 1127 1128 if (msta->vif->mt76.idx != wi->idx) 1129 return; 1130 1131 mt76_ethtool_worker(wi, &msta->wcid.stats, false); 1132 } 1133 1134 static 1135 void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1136 struct ethtool_stats *stats, u64 *data) 1137 { 1138 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1139 int stats_size = ARRAY_SIZE(mt7921_gstrings_stats); 1140 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1141 struct mt7921_dev *dev = phy->dev; 1142 struct mib_stats *mib = &phy->mib; 1143 struct mt76_ethtool_worker_info wi = { 1144 .data = data, 1145 .idx = mvif->mt76.idx, 1146 }; 1147 int i, ei = 0; 1148 1149 mt7921_mutex_acquire(dev); 1150 1151 mt7921_mac_update_mib_stats(phy); 1152 1153 data[ei++] = mib->tx_ampdu_cnt; 1154 data[ei++] = mib->tx_mpdu_attempts_cnt; 1155 data[ei++] = mib->tx_mpdu_success_cnt; 1156 data[ei++] = mib->tx_pkt_ebf_cnt; 1157 data[ei++] = mib->tx_pkt_ibf_cnt; 1158 1159 /* Tx ampdu stat */ 1160 for (i = 0; i < 15; i++) 1161 data[ei++] = phy->mt76->aggr_stats[i]; 1162 1163 data[ei++] = phy->mib.ba_miss_cnt; 1164 1165 /* Tx Beamformer monitor */ 1166 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1167 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1168 1169 /* Tx Beamformer Rx feedback monitor */ 1170 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1171 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1172 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1173 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1174 1175 /* Tx amsdu info (pack-count histogram) */ 1176 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1177 data[ei++] = mib->tx_amsdu[i]; 1178 1179 /* rx counters */ 1180 data[ei++] = mib->rx_mpdu_cnt; 1181 data[ei++] = mib->rx_ampdu_cnt; 1182 data[ei++] = mib->rx_ampdu_bytes_cnt; 1183 data[ei++] = mib->rx_ba_cnt; 1184 1185 /* Add values for all stations owned by this vif */ 1186 wi.initial_stat_idx = ei; 1187 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); 1188 1189 mt7921_mutex_release(dev); 1190 1191 if (!wi.sta_count) 1192 return; 1193 1194 ei += wi.worker_stat_count; 1195 1196 if (!mt76_is_sdio(&dev->mt76)) { 1197 mt76_ethtool_page_pool_stats(&dev->mt76, &data[ei], &ei); 1198 stats_size += page_pool_ethtool_stats_get_count(); 1199 } 1200 1201 if (ei != stats_size) 1202 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %d", ei, stats_size); 1203 } 1204 1205 static u64 1206 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1207 { 1208 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1209 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1210 u8 omac_idx = mvif->mt76.omac_idx; 1211 union { 1212 u64 t64; 1213 u32 t32[2]; 1214 } tsf; 1215 u16 n; 1216 1217 mt7921_mutex_acquire(dev); 1218 1219 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1220 /* TSF software read */ 1221 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 1222 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 1223 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 1224 1225 mt7921_mutex_release(dev); 1226 1227 return tsf.t64; 1228 } 1229 1230 static void 1231 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1232 u64 timestamp) 1233 { 1234 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1235 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1236 u8 omac_idx = mvif->mt76.omac_idx; 1237 union { 1238 u64 t64; 1239 u32 t32[2]; 1240 } tsf = { .t64 = timestamp, }; 1241 u16 n; 1242 1243 mt7921_mutex_acquire(dev); 1244 1245 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1246 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 1247 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 1248 /* TSF software overwrite */ 1249 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 1250 1251 mt7921_mutex_release(dev); 1252 } 1253 1254 static void 1255 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 1256 { 1257 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1258 struct mt7921_dev *dev = phy->dev; 1259 1260 mt7921_mutex_acquire(dev); 1261 phy->coverage_class = max_t(s16, coverage_class, 0); 1262 mt7921_mac_set_timing(phy); 1263 mt7921_mutex_release(dev); 1264 } 1265 1266 void mt7921_scan_work(struct work_struct *work) 1267 { 1268 struct mt7921_phy *phy; 1269 1270 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 1271 scan_work.work); 1272 1273 while (true) { 1274 struct mt76_connac2_mcu_rxd *rxd; 1275 struct sk_buff *skb; 1276 1277 spin_lock_bh(&phy->dev->mt76.lock); 1278 skb = __skb_dequeue(&phy->scan_event_list); 1279 spin_unlock_bh(&phy->dev->mt76.lock); 1280 1281 if (!skb) 1282 break; 1283 1284 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 1285 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1286 ieee80211_sched_scan_results(phy->mt76->hw); 1287 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1288 &phy->mt76->state)) { 1289 struct cfg80211_scan_info info = { 1290 .aborted = false, 1291 }; 1292 1293 ieee80211_scan_completed(phy->mt76->hw, &info); 1294 } 1295 dev_kfree_skb(skb); 1296 } 1297 } 1298 1299 static int 1300 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1301 struct ieee80211_scan_request *req) 1302 { 1303 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1304 struct mt76_phy *mphy = hw->priv; 1305 int err; 1306 1307 mt7921_mutex_acquire(dev); 1308 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1309 mt7921_mutex_release(dev); 1310 1311 return err; 1312 } 1313 1314 static void 1315 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1316 { 1317 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1318 struct mt76_phy *mphy = hw->priv; 1319 1320 mt7921_mutex_acquire(dev); 1321 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1322 mt7921_mutex_release(dev); 1323 } 1324 1325 static int 1326 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1327 struct cfg80211_sched_scan_request *req, 1328 struct ieee80211_scan_ies *ies) 1329 { 1330 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1331 struct mt76_phy *mphy = hw->priv; 1332 int err; 1333 1334 mt7921_mutex_acquire(dev); 1335 1336 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1337 if (err < 0) 1338 goto out; 1339 1340 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1341 out: 1342 mt7921_mutex_release(dev); 1343 1344 return err; 1345 } 1346 1347 static int 1348 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1349 { 1350 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1351 struct mt76_phy *mphy = hw->priv; 1352 int err; 1353 1354 mt7921_mutex_acquire(dev); 1355 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1356 mt7921_mutex_release(dev); 1357 1358 return err; 1359 } 1360 1361 static int 1362 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1363 { 1364 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1365 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1366 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1367 1368 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1369 return -EINVAL; 1370 1371 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1372 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1373 1374 mt7921_mutex_acquire(dev); 1375 1376 phy->mt76->antenna_mask = tx_ant; 1377 phy->mt76->chainmask = tx_ant; 1378 1379 mt76_set_stream_caps(phy->mt76, true); 1380 mt7921_set_stream_he_caps(phy); 1381 1382 mt7921_mutex_release(dev); 1383 1384 return 0; 1385 } 1386 1387 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1388 struct ieee80211_vif *vif, 1389 struct ieee80211_sta *sta, 1390 struct station_info *sinfo) 1391 { 1392 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1393 struct rate_info *txrate = &msta->wcid.rate; 1394 1395 if (!txrate->legacy && !txrate->flags) 1396 return; 1397 1398 if (txrate->legacy) { 1399 sinfo->txrate.legacy = txrate->legacy; 1400 } else { 1401 sinfo->txrate.mcs = txrate->mcs; 1402 sinfo->txrate.nss = txrate->nss; 1403 sinfo->txrate.bw = txrate->bw; 1404 sinfo->txrate.he_gi = txrate->he_gi; 1405 sinfo->txrate.he_dcm = txrate->he_dcm; 1406 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1407 } 1408 sinfo->txrate.flags = txrate->flags; 1409 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1410 1411 sinfo->ack_signal = (s8)msta->ack_signal; 1412 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 1413 1414 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 1415 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 1416 } 1417 1418 #ifdef CONFIG_PM 1419 static int mt7921_suspend(struct ieee80211_hw *hw, 1420 struct cfg80211_wowlan *wowlan) 1421 { 1422 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1423 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1424 1425 cancel_delayed_work_sync(&phy->scan_work); 1426 cancel_delayed_work_sync(&phy->mt76->mac_work); 1427 1428 cancel_delayed_work_sync(&dev->pm.ps_work); 1429 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1430 1431 mt7921_mutex_acquire(dev); 1432 1433 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1434 ieee80211_iterate_active_interfaces(hw, 1435 IEEE80211_IFACE_ITER_RESUME_ALL, 1436 mt7921_mcu_set_suspend_iter, 1437 &dev->mphy); 1438 1439 mt7921_mutex_release(dev); 1440 1441 return 0; 1442 } 1443 1444 static int mt7921_resume(struct ieee80211_hw *hw) 1445 { 1446 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1447 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1448 1449 mt7921_mutex_acquire(dev); 1450 1451 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1452 ieee80211_iterate_active_interfaces(hw, 1453 IEEE80211_IFACE_ITER_RESUME_ALL, 1454 mt76_connac_mcu_set_suspend_iter, 1455 &dev->mphy); 1456 1457 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1458 MT7921_WATCHDOG_TIME); 1459 1460 mt7921_mutex_release(dev); 1461 1462 return 0; 1463 } 1464 1465 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1466 { 1467 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1468 struct mt76_dev *mdev = &dev->mt76; 1469 1470 device_set_wakeup_enable(mdev->dev, enabled); 1471 } 1472 1473 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1474 struct ieee80211_vif *vif, 1475 struct cfg80211_gtk_rekey_data *data) 1476 { 1477 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1478 1479 mt7921_mutex_acquire(dev); 1480 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1481 mt7921_mutex_release(dev); 1482 } 1483 #endif /* CONFIG_PM */ 1484 1485 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1486 u32 queues, bool drop) 1487 { 1488 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1489 1490 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1491 HZ / 2); 1492 } 1493 1494 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1495 struct ieee80211_vif *vif, 1496 struct ieee80211_sta *sta, 1497 bool enabled) 1498 { 1499 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1500 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1501 1502 mt7921_mutex_acquire(dev); 1503 1504 if (enabled) 1505 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1506 else 1507 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1508 1509 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1510 MCU_UNI_CMD(STA_REC_UPDATE)); 1511 1512 mt7921_mutex_release(dev); 1513 } 1514 1515 #if IS_ENABLED(CONFIG_IPV6) 1516 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1517 struct ieee80211_vif *vif, 1518 struct inet6_dev *idev) 1519 { 1520 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1521 struct mt7921_dev *dev = mvif->phy->dev; 1522 struct inet6_ifaddr *ifa; 1523 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1524 struct sk_buff *skb; 1525 u8 i, idx = 0; 1526 1527 struct { 1528 struct { 1529 u8 bss_idx; 1530 u8 pad[3]; 1531 } __packed hdr; 1532 struct mt76_connac_arpns_tlv arpns; 1533 } req_hdr = { 1534 .hdr = { 1535 .bss_idx = mvif->mt76.idx, 1536 }, 1537 .arpns = { 1538 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1539 .mode = 2, /* update */ 1540 .option = 1, /* update only */ 1541 }, 1542 }; 1543 1544 read_lock_bh(&idev->lock); 1545 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1546 if (ifa->flags & IFA_F_TENTATIVE) 1547 continue; 1548 ns_addrs[idx] = ifa->addr; 1549 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1550 break; 1551 } 1552 read_unlock_bh(&idev->lock); 1553 1554 if (!idx) 1555 return; 1556 1557 req_hdr.arpns.ips_num = idx; 1558 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1559 + idx * sizeof(struct in6_addr)); 1560 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1561 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1562 sizeof(req_hdr), GFP_ATOMIC); 1563 if (!skb) 1564 return; 1565 1566 for (i = 0; i < idx; i++) 1567 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1568 1569 skb_queue_tail(&dev->ipv6_ns_list, skb); 1570 1571 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1572 } 1573 #endif 1574 1575 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1576 const struct cfg80211_sar_specs *sar) 1577 { 1578 struct mt76_phy *mphy = hw->priv; 1579 int err; 1580 1581 if (sar) { 1582 err = mt76_init_sar_power(hw, sar); 1583 if (err) 1584 return err; 1585 } 1586 1587 mt7921_init_acpi_sar_power(mt7921_hw_phy(hw), !sar); 1588 1589 err = mt76_connac_mcu_set_rate_txpower(mphy); 1590 1591 return err; 1592 } 1593 1594 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1595 const struct cfg80211_sar_specs *sar) 1596 { 1597 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1598 int err; 1599 1600 mt7921_mutex_acquire(dev); 1601 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1602 dev->country_ie_env); 1603 if (err < 0) 1604 goto out; 1605 1606 err = mt7921_set_tx_sar_pwr(hw, sar); 1607 out: 1608 mt7921_mutex_release(dev); 1609 1610 return err; 1611 } 1612 1613 static void 1614 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1615 struct ieee80211_vif *vif, 1616 struct cfg80211_chan_def *chandef) 1617 { 1618 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1619 1620 mt7921_mutex_acquire(dev); 1621 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1622 mt7921_mutex_release(dev); 1623 } 1624 1625 static int 1626 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1627 struct ieee80211_bss_conf *link_conf) 1628 { 1629 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1630 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1631 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1632 int err; 1633 1634 mt7921_mutex_acquire(dev); 1635 1636 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1637 true, mvif->ctx); 1638 if (err) 1639 goto out; 1640 1641 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1642 if (err) 1643 goto out; 1644 1645 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1646 MT76_STA_INFO_STATE_NONE); 1647 out: 1648 mt7921_mutex_release(dev); 1649 1650 return err; 1651 } 1652 1653 static void 1654 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1655 struct ieee80211_bss_conf *link_conf) 1656 { 1657 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1658 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1659 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1660 int err; 1661 1662 mt7921_mutex_acquire(dev); 1663 1664 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1665 if (err) 1666 goto out; 1667 1668 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1669 mvif->ctx); 1670 1671 out: 1672 mt7921_mutex_release(dev); 1673 } 1674 1675 static int 1676 mt7921_add_chanctx(struct ieee80211_hw *hw, 1677 struct ieee80211_chanctx_conf *ctx) 1678 { 1679 return 0; 1680 } 1681 1682 static void 1683 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1684 struct ieee80211_chanctx_conf *ctx) 1685 { 1686 } 1687 1688 static void mt7921_ctx_iter(void *priv, u8 *mac, 1689 struct ieee80211_vif *vif) 1690 { 1691 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1692 struct ieee80211_chanctx_conf *ctx = priv; 1693 1694 if (ctx != mvif->ctx) 1695 return; 1696 1697 if (vif->type & NL80211_IFTYPE_MONITOR) 1698 mt7921_mcu_config_sniffer(mvif, ctx); 1699 else 1700 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1701 } 1702 1703 static void 1704 mt7921_change_chanctx(struct ieee80211_hw *hw, 1705 struct ieee80211_chanctx_conf *ctx, 1706 u32 changed) 1707 { 1708 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1709 1710 mt7921_mutex_acquire(phy->dev); 1711 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1712 IEEE80211_IFACE_ITER_ACTIVE, 1713 mt7921_ctx_iter, ctx); 1714 mt7921_mutex_release(phy->dev); 1715 } 1716 1717 static int 1718 mt7921_assign_vif_chanctx(struct ieee80211_hw *hw, 1719 struct ieee80211_vif *vif, 1720 struct ieee80211_bss_conf *link_conf, 1721 struct ieee80211_chanctx_conf *ctx) 1722 { 1723 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1724 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1725 1726 mutex_lock(&dev->mt76.mutex); 1727 mvif->ctx = ctx; 1728 mutex_unlock(&dev->mt76.mutex); 1729 1730 return 0; 1731 } 1732 1733 static void 1734 mt7921_unassign_vif_chanctx(struct ieee80211_hw *hw, 1735 struct ieee80211_vif *vif, 1736 struct ieee80211_bss_conf *link_conf, 1737 struct ieee80211_chanctx_conf *ctx) 1738 { 1739 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1740 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1741 1742 mutex_lock(&dev->mt76.mutex); 1743 mvif->ctx = NULL; 1744 mutex_unlock(&dev->mt76.mutex); 1745 } 1746 1747 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1748 struct ieee80211_vif *vif, 1749 struct ieee80211_prep_tx_info *info) 1750 { 1751 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1752 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1753 u16 duration = info->duration ? info->duration : 1754 jiffies_to_msecs(HZ); 1755 1756 mt7921_mutex_acquire(dev); 1757 mt7921_set_roc(mvif->phy, mvif, mvif->ctx->def.chan, duration, 1758 MT7921_ROC_REQ_JOIN); 1759 mt7921_mutex_release(dev); 1760 } 1761 1762 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1763 struct ieee80211_vif *vif, 1764 struct ieee80211_prep_tx_info *info) 1765 { 1766 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1767 1768 mt7921_abort_roc(mvif->phy, mvif); 1769 } 1770 1771 const struct ieee80211_ops mt7921_ops = { 1772 .tx = mt7921_tx, 1773 .start = mt7921_start, 1774 .stop = mt7921_stop, 1775 .add_interface = mt7921_add_interface, 1776 .remove_interface = mt7921_remove_interface, 1777 .config = mt7921_config, 1778 .conf_tx = mt7921_conf_tx, 1779 .configure_filter = mt7921_configure_filter, 1780 .bss_info_changed = mt7921_bss_info_changed, 1781 .start_ap = mt7921_start_ap, 1782 .stop_ap = mt7921_stop_ap, 1783 .sta_state = mt7921_sta_state, 1784 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1785 .set_key = mt7921_set_key, 1786 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1787 #if IS_ENABLED(CONFIG_IPV6) 1788 .ipv6_addr_change = mt7921_ipv6_addr_change, 1789 #endif /* CONFIG_IPV6 */ 1790 .ampdu_action = mt7921_ampdu_action, 1791 .set_rts_threshold = mt7921_set_rts_threshold, 1792 .wake_tx_queue = mt76_wake_tx_queue, 1793 .release_buffered_frames = mt76_release_buffered_frames, 1794 .channel_switch_beacon = mt7921_channel_switch_beacon, 1795 .get_txpower = mt76_get_txpower, 1796 .get_stats = mt7921_get_stats, 1797 .get_et_sset_count = mt7921_get_et_sset_count, 1798 .get_et_strings = mt7921_get_et_strings, 1799 .get_et_stats = mt7921_get_et_stats, 1800 .get_tsf = mt7921_get_tsf, 1801 .set_tsf = mt7921_set_tsf, 1802 .get_survey = mt76_get_survey, 1803 .get_antenna = mt76_get_antenna, 1804 .set_antenna = mt7921_set_antenna, 1805 .set_coverage_class = mt7921_set_coverage_class, 1806 .hw_scan = mt7921_hw_scan, 1807 .cancel_hw_scan = mt7921_cancel_hw_scan, 1808 .sta_statistics = mt7921_sta_statistics, 1809 .sched_scan_start = mt7921_start_sched_scan, 1810 .sched_scan_stop = mt7921_stop_sched_scan, 1811 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1812 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1813 #ifdef CONFIG_PM 1814 .suspend = mt7921_suspend, 1815 .resume = mt7921_resume, 1816 .set_wakeup = mt7921_set_wakeup, 1817 .set_rekey_data = mt7921_set_rekey_data, 1818 #endif /* CONFIG_PM */ 1819 .flush = mt7921_flush, 1820 .set_sar_specs = mt7921_set_sar_specs, 1821 .remain_on_channel = mt7921_remain_on_channel, 1822 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1823 .add_chanctx = mt7921_add_chanctx, 1824 .remove_chanctx = mt7921_remove_chanctx, 1825 .change_chanctx = mt7921_change_chanctx, 1826 .assign_vif_chanctx = mt7921_assign_vif_chanctx, 1827 .unassign_vif_chanctx = mt7921_unassign_vif_chanctx, 1828 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1829 .mgd_complete_tx = mt7921_mgd_complete_tx, 1830 }; 1831 EXPORT_SYMBOL_GPL(mt7921_ops); 1832 1833 MODULE_LICENSE("Dual BSD/GPL"); 1834 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1835