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 if (idx == *wcid_keyidx) 575 *wcid_keyidx = -1; 576 else 577 goto out; 578 579 mt76_wcid_key_setup(&dev->mt76, wcid, 580 cmd == SET_KEY ? key : NULL); 581 582 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 583 key, MCU_UNI_CMD(STA_REC_UPDATE), 584 &msta->wcid, cmd); 585 if (err) 586 goto out; 587 588 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 589 key->cipher == WLAN_CIPHER_SUITE_WEP40) 590 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 591 &mvif->wep_sta->bip, 592 key, MCU_UNI_CMD(STA_REC_UPDATE), 593 &mvif->wep_sta->wcid, cmd); 594 out: 595 mt7921_mutex_release(dev); 596 597 return err; 598 } 599 600 static void 601 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 602 { 603 struct mt7921_dev *dev = priv; 604 struct ieee80211_hw *hw = mt76_hw(dev); 605 bool pm_enable = dev->pm.enable; 606 int err; 607 608 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 609 if (err < 0) 610 return; 611 612 if (pm_enable) { 613 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 614 ieee80211_hw_set(hw, CONNECTION_MONITOR); 615 } else { 616 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 617 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 618 } 619 } 620 621 static void 622 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 623 { 624 struct mt7921_dev *dev = priv; 625 struct ieee80211_hw *hw = mt76_hw(dev); 626 struct mt76_connac_pm *pm = &dev->pm; 627 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 628 629 mt7921_mcu_set_sniffer(dev, vif, monitor); 630 pm->enable = pm->enable_user && !monitor; 631 pm->ds_enable = pm->ds_enable_user && !monitor; 632 633 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 634 635 if (monitor) 636 mt7921_mcu_set_beacon_filter(dev, vif, false); 637 } 638 639 void mt7921_set_runtime_pm(struct mt7921_dev *dev) 640 { 641 struct ieee80211_hw *hw = mt76_hw(dev); 642 struct mt76_connac_pm *pm = &dev->pm; 643 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 644 645 pm->enable = pm->enable_user && !monitor; 646 ieee80211_iterate_active_interfaces(hw, 647 IEEE80211_IFACE_ITER_RESUME_ALL, 648 mt7921_pm_interface_iter, dev); 649 pm->ds_enable = pm->ds_enable_user && !monitor; 650 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 651 } 652 653 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 654 { 655 struct mt7921_dev *dev = mt7921_hw_dev(hw); 656 struct mt7921_phy *phy = mt7921_hw_phy(hw); 657 int ret = 0; 658 659 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 660 ieee80211_stop_queues(hw); 661 ret = mt7921_set_channel(phy); 662 if (ret) 663 return ret; 664 ieee80211_wake_queues(hw); 665 } 666 667 mt7921_mutex_acquire(dev); 668 669 if (changed & IEEE80211_CONF_CHANGE_POWER) { 670 ret = mt7921_set_tx_sar_pwr(hw, NULL); 671 if (ret) 672 goto out; 673 } 674 675 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 676 ieee80211_iterate_active_interfaces(hw, 677 IEEE80211_IFACE_ITER_RESUME_ALL, 678 mt7921_sniffer_interface_iter, dev); 679 } 680 681 out: 682 mt7921_mutex_release(dev); 683 684 return ret; 685 } 686 687 static int 688 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 689 unsigned int link_id, u16 queue, 690 const struct ieee80211_tx_queue_params *params) 691 { 692 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 693 694 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 695 queue = mt76_connac_lmac_mapping(queue); 696 mvif->queue_params[queue] = *params; 697 698 return 0; 699 } 700 701 static void mt7921_configure_filter(struct ieee80211_hw *hw, 702 unsigned int changed_flags, 703 unsigned int *total_flags, 704 u64 multicast) 705 { 706 struct mt7921_dev *dev = mt7921_hw_dev(hw); 707 708 mt7921_mutex_acquire(dev); 709 mt7921_mcu_set_rxfilter(dev, *total_flags, 0, 0); 710 mt7921_mutex_release(dev); 711 712 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 713 } 714 715 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 716 struct ieee80211_vif *vif, 717 struct ieee80211_bss_conf *info, 718 u64 changed) 719 { 720 struct mt7921_phy *phy = mt7921_hw_phy(hw); 721 struct mt7921_dev *dev = mt7921_hw_dev(hw); 722 723 mt7921_mutex_acquire(dev); 724 725 if (changed & BSS_CHANGED_ERP_SLOT) { 726 int slottime = info->use_short_slot ? 9 : 20; 727 728 if (slottime != phy->slottime) { 729 phy->slottime = slottime; 730 mt7921_mac_set_timing(phy); 731 } 732 } 733 734 if (changed & (BSS_CHANGED_BEACON | 735 BSS_CHANGED_BEACON_ENABLED)) 736 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 737 info->enable_beacon); 738 739 /* ensure that enable txcmd_mode after bss_info */ 740 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 741 mt7921_mcu_set_tx(dev, vif); 742 743 if (changed & BSS_CHANGED_PS) 744 mt7921_mcu_uni_bss_ps(dev, vif); 745 746 if (changed & BSS_CHANGED_ASSOC) { 747 mt7921_mcu_sta_update(dev, NULL, vif, true, 748 MT76_STA_INFO_STATE_ASSOC); 749 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 750 } 751 752 if (changed & BSS_CHANGED_ARP_FILTER) { 753 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 754 755 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 756 info); 757 } 758 759 mt7921_mutex_release(dev); 760 } 761 762 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 763 struct ieee80211_sta *sta) 764 { 765 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 766 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 767 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 768 int ret, idx; 769 770 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 771 if (idx < 0) 772 return -ENOSPC; 773 774 INIT_LIST_HEAD(&msta->poll_list); 775 msta->vif = mvif; 776 msta->wcid.sta = 1; 777 msta->wcid.idx = idx; 778 msta->wcid.phy_idx = mvif->mt76.band_idx; 779 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 780 msta->last_txs = jiffies; 781 782 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 783 if (ret) 784 return ret; 785 786 if (vif->type == NL80211_IFTYPE_STATION) 787 mvif->wep_sta = msta; 788 789 mt7921_mac_wtbl_update(dev, idx, 790 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 791 792 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 793 MT76_STA_INFO_STATE_NONE); 794 if (ret) 795 return ret; 796 797 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 798 799 return 0; 800 } 801 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 802 803 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 804 struct ieee80211_sta *sta) 805 { 806 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 807 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 808 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 809 810 mt7921_mutex_acquire(dev); 811 812 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 813 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 814 true, mvif->ctx); 815 816 ewma_avg_signal_init(&msta->avg_ack_signal); 817 818 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 819 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 820 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 821 822 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 823 824 mt7921_mutex_release(dev); 825 } 826 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 827 828 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 829 struct ieee80211_sta *sta) 830 { 831 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 832 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 833 834 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 835 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 836 837 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 838 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 839 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 840 841 if (vif->type == NL80211_IFTYPE_STATION) { 842 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 843 844 mvif->wep_sta = NULL; 845 ewma_rssi_init(&mvif->rssi); 846 if (!sta->tdls) 847 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 848 &mvif->sta.wcid, false, 849 mvif->ctx); 850 } 851 852 spin_lock_bh(&dev->sta_poll_lock); 853 if (!list_empty(&msta->poll_list)) 854 list_del_init(&msta->poll_list); 855 spin_unlock_bh(&dev->sta_poll_lock); 856 857 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 858 } 859 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 860 861 void mt7921_tx_worker(struct mt76_worker *w) 862 { 863 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 864 mt76.tx_worker); 865 866 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 867 queue_work(dev->mt76.wq, &dev->pm.wake_work); 868 return; 869 } 870 871 mt76_txq_schedule_all(&dev->mphy); 872 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 873 } 874 875 static void mt7921_tx(struct ieee80211_hw *hw, 876 struct ieee80211_tx_control *control, 877 struct sk_buff *skb) 878 { 879 struct mt7921_dev *dev = mt7921_hw_dev(hw); 880 struct mt76_phy *mphy = hw->priv; 881 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 882 struct ieee80211_vif *vif = info->control.vif; 883 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 884 int qid; 885 886 if (control->sta) { 887 struct mt7921_sta *sta; 888 889 sta = (struct mt7921_sta *)control->sta->drv_priv; 890 wcid = &sta->wcid; 891 } 892 893 if (vif && !control->sta) { 894 struct mt7921_vif *mvif; 895 896 mvif = (struct mt7921_vif *)vif->drv_priv; 897 wcid = &mvif->sta.wcid; 898 } 899 900 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 901 mt76_tx(mphy, control->sta, wcid, skb); 902 mt76_connac_pm_unref(mphy, &dev->pm); 903 return; 904 } 905 906 qid = skb_get_queue_mapping(skb); 907 if (qid >= MT_TXQ_PSD) { 908 qid = IEEE80211_AC_BE; 909 skb_set_queue_mapping(skb, qid); 910 } 911 912 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 913 } 914 915 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 916 { 917 struct mt7921_dev *dev = mt7921_hw_dev(hw); 918 919 mt7921_mutex_acquire(dev); 920 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 921 mt7921_mutex_release(dev); 922 923 return 0; 924 } 925 926 static int 927 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 928 struct ieee80211_ampdu_params *params) 929 { 930 enum ieee80211_ampdu_mlme_action action = params->action; 931 struct mt7921_dev *dev = mt7921_hw_dev(hw); 932 struct ieee80211_sta *sta = params->sta; 933 struct ieee80211_txq *txq = sta->txq[params->tid]; 934 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 935 u16 tid = params->tid; 936 u16 ssn = params->ssn; 937 struct mt76_txq *mtxq; 938 int ret = 0; 939 940 if (!txq) 941 return -EINVAL; 942 943 mtxq = (struct mt76_txq *)txq->drv_priv; 944 945 mt7921_mutex_acquire(dev); 946 switch (action) { 947 case IEEE80211_AMPDU_RX_START: 948 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 949 params->buf_size); 950 mt7921_mcu_uni_rx_ba(dev, params, true); 951 break; 952 case IEEE80211_AMPDU_RX_STOP: 953 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 954 mt7921_mcu_uni_rx_ba(dev, params, false); 955 break; 956 case IEEE80211_AMPDU_TX_OPERATIONAL: 957 mtxq->aggr = true; 958 mtxq->send_bar = false; 959 mt7921_mcu_uni_tx_ba(dev, params, true); 960 break; 961 case IEEE80211_AMPDU_TX_STOP_FLUSH: 962 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 963 mtxq->aggr = false; 964 clear_bit(tid, &msta->ampdu_state); 965 mt7921_mcu_uni_tx_ba(dev, params, false); 966 break; 967 case IEEE80211_AMPDU_TX_START: 968 set_bit(tid, &msta->ampdu_state); 969 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 970 break; 971 case IEEE80211_AMPDU_TX_STOP_CONT: 972 mtxq->aggr = false; 973 clear_bit(tid, &msta->ampdu_state); 974 mt7921_mcu_uni_tx_ba(dev, params, false); 975 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 976 break; 977 } 978 mt7921_mutex_release(dev); 979 980 return ret; 981 } 982 983 static int mt7921_sta_state(struct ieee80211_hw *hw, 984 struct ieee80211_vif *vif, 985 struct ieee80211_sta *sta, 986 enum ieee80211_sta_state old_state, 987 enum ieee80211_sta_state new_state) 988 { 989 struct mt7921_dev *dev = mt7921_hw_dev(hw); 990 991 if (dev->pm.ds_enable) { 992 mt7921_mutex_acquire(dev); 993 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 994 mt7921_mutex_release(dev); 995 } 996 997 return mt76_sta_state(hw, vif, sta, old_state, new_state); 998 } 999 1000 static int 1001 mt7921_get_stats(struct ieee80211_hw *hw, 1002 struct ieee80211_low_level_stats *stats) 1003 { 1004 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1005 struct mib_stats *mib = &phy->mib; 1006 1007 mt7921_mutex_acquire(phy->dev); 1008 1009 stats->dot11RTSSuccessCount = mib->rts_cnt; 1010 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 1011 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 1012 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 1013 1014 mt7921_mutex_release(phy->dev); 1015 1016 return 0; 1017 } 1018 1019 static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 1020 /* tx counters */ 1021 "tx_ampdu_cnt", 1022 "tx_mpdu_attempts", 1023 "tx_mpdu_success", 1024 "tx_pkt_ebf_cnt", 1025 "tx_pkt_ibf_cnt", 1026 "tx_ampdu_len:0-1", 1027 "tx_ampdu_len:2-10", 1028 "tx_ampdu_len:11-19", 1029 "tx_ampdu_len:20-28", 1030 "tx_ampdu_len:29-37", 1031 "tx_ampdu_len:38-46", 1032 "tx_ampdu_len:47-55", 1033 "tx_ampdu_len:56-79", 1034 "tx_ampdu_len:80-103", 1035 "tx_ampdu_len:104-127", 1036 "tx_ampdu_len:128-151", 1037 "tx_ampdu_len:152-175", 1038 "tx_ampdu_len:176-199", 1039 "tx_ampdu_len:200-223", 1040 "tx_ampdu_len:224-247", 1041 "ba_miss_count", 1042 "tx_beamformer_ppdu_iBF", 1043 "tx_beamformer_ppdu_eBF", 1044 "tx_beamformer_rx_feedback_all", 1045 "tx_beamformer_rx_feedback_he", 1046 "tx_beamformer_rx_feedback_vht", 1047 "tx_beamformer_rx_feedback_ht", 1048 "tx_msdu_pack_1", 1049 "tx_msdu_pack_2", 1050 "tx_msdu_pack_3", 1051 "tx_msdu_pack_4", 1052 "tx_msdu_pack_5", 1053 "tx_msdu_pack_6", 1054 "tx_msdu_pack_7", 1055 "tx_msdu_pack_8", 1056 /* rx counters */ 1057 "rx_mpdu_cnt", 1058 "rx_ampdu_cnt", 1059 "rx_ampdu_bytes_cnt", 1060 "rx_ba_cnt", 1061 /* per vif counters */ 1062 "v_tx_mode_cck", 1063 "v_tx_mode_ofdm", 1064 "v_tx_mode_ht", 1065 "v_tx_mode_ht_gf", 1066 "v_tx_mode_vht", 1067 "v_tx_mode_he_su", 1068 "v_tx_mode_he_ext_su", 1069 "v_tx_mode_he_tb", 1070 "v_tx_mode_he_mu", 1071 "v_tx_bw_20", 1072 "v_tx_bw_40", 1073 "v_tx_bw_80", 1074 "v_tx_bw_160", 1075 "v_tx_mcs_0", 1076 "v_tx_mcs_1", 1077 "v_tx_mcs_2", 1078 "v_tx_mcs_3", 1079 "v_tx_mcs_4", 1080 "v_tx_mcs_5", 1081 "v_tx_mcs_6", 1082 "v_tx_mcs_7", 1083 "v_tx_mcs_8", 1084 "v_tx_mcs_9", 1085 "v_tx_mcs_10", 1086 "v_tx_mcs_11", 1087 }; 1088 1089 static void 1090 mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1091 u32 sset, u8 *data) 1092 { 1093 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1094 1095 if (sset != ETH_SS_STATS) 1096 return; 1097 1098 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); 1099 1100 if (mt76_is_sdio(&dev->mt76)) 1101 return; 1102 1103 data += sizeof(mt7921_gstrings_stats); 1104 page_pool_ethtool_stats_get_strings(data); 1105 } 1106 1107 static int 1108 mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1109 int sset) 1110 { 1111 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1112 1113 if (sset != ETH_SS_STATS) 1114 return 0; 1115 1116 if (mt76_is_sdio(&dev->mt76)) 1117 return ARRAY_SIZE(mt7921_gstrings_stats); 1118 1119 return ARRAY_SIZE(mt7921_gstrings_stats) + 1120 page_pool_ethtool_stats_get_count(); 1121 } 1122 1123 static void 1124 mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1125 { 1126 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1127 struct mt76_ethtool_worker_info *wi = wi_data; 1128 1129 if (msta->vif->mt76.idx != wi->idx) 1130 return; 1131 1132 mt76_ethtool_worker(wi, &msta->wcid.stats, false); 1133 } 1134 1135 static 1136 void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1137 struct ethtool_stats *stats, u64 *data) 1138 { 1139 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1140 int stats_size = ARRAY_SIZE(mt7921_gstrings_stats); 1141 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1142 struct mt7921_dev *dev = phy->dev; 1143 struct mib_stats *mib = &phy->mib; 1144 struct mt76_ethtool_worker_info wi = { 1145 .data = data, 1146 .idx = mvif->mt76.idx, 1147 }; 1148 int i, ei = 0; 1149 1150 mt7921_mutex_acquire(dev); 1151 1152 mt7921_mac_update_mib_stats(phy); 1153 1154 data[ei++] = mib->tx_ampdu_cnt; 1155 data[ei++] = mib->tx_mpdu_attempts_cnt; 1156 data[ei++] = mib->tx_mpdu_success_cnt; 1157 data[ei++] = mib->tx_pkt_ebf_cnt; 1158 data[ei++] = mib->tx_pkt_ibf_cnt; 1159 1160 /* Tx ampdu stat */ 1161 for (i = 0; i < 15; i++) 1162 data[ei++] = phy->mt76->aggr_stats[i]; 1163 1164 data[ei++] = phy->mib.ba_miss_cnt; 1165 1166 /* Tx Beamformer monitor */ 1167 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1168 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1169 1170 /* Tx Beamformer Rx feedback monitor */ 1171 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1172 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1173 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1174 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1175 1176 /* Tx amsdu info (pack-count histogram) */ 1177 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1178 data[ei++] = mib->tx_amsdu[i]; 1179 1180 /* rx counters */ 1181 data[ei++] = mib->rx_mpdu_cnt; 1182 data[ei++] = mib->rx_ampdu_cnt; 1183 data[ei++] = mib->rx_ampdu_bytes_cnt; 1184 data[ei++] = mib->rx_ba_cnt; 1185 1186 /* Add values for all stations owned by this vif */ 1187 wi.initial_stat_idx = ei; 1188 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); 1189 1190 mt7921_mutex_release(dev); 1191 1192 if (!wi.sta_count) 1193 return; 1194 1195 ei += wi.worker_stat_count; 1196 1197 if (!mt76_is_sdio(&dev->mt76)) { 1198 mt76_ethtool_page_pool_stats(&dev->mt76, &data[ei], &ei); 1199 stats_size += page_pool_ethtool_stats_get_count(); 1200 } 1201 1202 if (ei != stats_size) 1203 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %d", ei, stats_size); 1204 } 1205 1206 static u64 1207 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1208 { 1209 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1210 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1211 u8 omac_idx = mvif->mt76.omac_idx; 1212 union { 1213 u64 t64; 1214 u32 t32[2]; 1215 } tsf; 1216 u16 n; 1217 1218 mt7921_mutex_acquire(dev); 1219 1220 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1221 /* TSF software read */ 1222 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 1223 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 1224 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 1225 1226 mt7921_mutex_release(dev); 1227 1228 return tsf.t64; 1229 } 1230 1231 static void 1232 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1233 u64 timestamp) 1234 { 1235 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1236 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1237 u8 omac_idx = mvif->mt76.omac_idx; 1238 union { 1239 u64 t64; 1240 u32 t32[2]; 1241 } tsf = { .t64 = timestamp, }; 1242 u16 n; 1243 1244 mt7921_mutex_acquire(dev); 1245 1246 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1247 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 1248 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 1249 /* TSF software overwrite */ 1250 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 1251 1252 mt7921_mutex_release(dev); 1253 } 1254 1255 static void 1256 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 1257 { 1258 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1259 struct mt7921_dev *dev = phy->dev; 1260 1261 mt7921_mutex_acquire(dev); 1262 phy->coverage_class = max_t(s16, coverage_class, 0); 1263 mt7921_mac_set_timing(phy); 1264 mt7921_mutex_release(dev); 1265 } 1266 1267 void mt7921_scan_work(struct work_struct *work) 1268 { 1269 struct mt7921_phy *phy; 1270 1271 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 1272 scan_work.work); 1273 1274 while (true) { 1275 struct mt76_connac2_mcu_rxd *rxd; 1276 struct sk_buff *skb; 1277 1278 spin_lock_bh(&phy->dev->mt76.lock); 1279 skb = __skb_dequeue(&phy->scan_event_list); 1280 spin_unlock_bh(&phy->dev->mt76.lock); 1281 1282 if (!skb) 1283 break; 1284 1285 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 1286 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1287 ieee80211_sched_scan_results(phy->mt76->hw); 1288 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1289 &phy->mt76->state)) { 1290 struct cfg80211_scan_info info = { 1291 .aborted = false, 1292 }; 1293 1294 ieee80211_scan_completed(phy->mt76->hw, &info); 1295 } 1296 dev_kfree_skb(skb); 1297 } 1298 } 1299 1300 static int 1301 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1302 struct ieee80211_scan_request *req) 1303 { 1304 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1305 struct mt76_phy *mphy = hw->priv; 1306 int err; 1307 1308 mt7921_mutex_acquire(dev); 1309 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1310 mt7921_mutex_release(dev); 1311 1312 return err; 1313 } 1314 1315 static void 1316 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1317 { 1318 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1319 struct mt76_phy *mphy = hw->priv; 1320 1321 mt7921_mutex_acquire(dev); 1322 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1323 mt7921_mutex_release(dev); 1324 } 1325 1326 static int 1327 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1328 struct cfg80211_sched_scan_request *req, 1329 struct ieee80211_scan_ies *ies) 1330 { 1331 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1332 struct mt76_phy *mphy = hw->priv; 1333 int err; 1334 1335 mt7921_mutex_acquire(dev); 1336 1337 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1338 if (err < 0) 1339 goto out; 1340 1341 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1342 out: 1343 mt7921_mutex_release(dev); 1344 1345 return err; 1346 } 1347 1348 static int 1349 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1350 { 1351 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1352 struct mt76_phy *mphy = hw->priv; 1353 int err; 1354 1355 mt7921_mutex_acquire(dev); 1356 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1357 mt7921_mutex_release(dev); 1358 1359 return err; 1360 } 1361 1362 static int 1363 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1364 { 1365 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1366 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1367 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1368 1369 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1370 return -EINVAL; 1371 1372 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1373 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1374 1375 mt7921_mutex_acquire(dev); 1376 1377 phy->mt76->antenna_mask = tx_ant; 1378 phy->mt76->chainmask = tx_ant; 1379 1380 mt76_set_stream_caps(phy->mt76, true); 1381 mt7921_set_stream_he_caps(phy); 1382 1383 mt7921_mutex_release(dev); 1384 1385 return 0; 1386 } 1387 1388 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1389 struct ieee80211_vif *vif, 1390 struct ieee80211_sta *sta, 1391 struct station_info *sinfo) 1392 { 1393 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1394 struct rate_info *txrate = &msta->wcid.rate; 1395 1396 if (!txrate->legacy && !txrate->flags) 1397 return; 1398 1399 if (txrate->legacy) { 1400 sinfo->txrate.legacy = txrate->legacy; 1401 } else { 1402 sinfo->txrate.mcs = txrate->mcs; 1403 sinfo->txrate.nss = txrate->nss; 1404 sinfo->txrate.bw = txrate->bw; 1405 sinfo->txrate.he_gi = txrate->he_gi; 1406 sinfo->txrate.he_dcm = txrate->he_dcm; 1407 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1408 } 1409 sinfo->txrate.flags = txrate->flags; 1410 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1411 1412 sinfo->ack_signal = (s8)msta->ack_signal; 1413 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 1414 1415 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 1416 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 1417 } 1418 1419 #ifdef CONFIG_PM 1420 static int mt7921_suspend(struct ieee80211_hw *hw, 1421 struct cfg80211_wowlan *wowlan) 1422 { 1423 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1424 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1425 1426 cancel_delayed_work_sync(&phy->scan_work); 1427 cancel_delayed_work_sync(&phy->mt76->mac_work); 1428 1429 cancel_delayed_work_sync(&dev->pm.ps_work); 1430 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1431 1432 mt7921_mutex_acquire(dev); 1433 1434 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1435 ieee80211_iterate_active_interfaces(hw, 1436 IEEE80211_IFACE_ITER_RESUME_ALL, 1437 mt7921_mcu_set_suspend_iter, 1438 &dev->mphy); 1439 1440 mt7921_mutex_release(dev); 1441 1442 return 0; 1443 } 1444 1445 static int mt7921_resume(struct ieee80211_hw *hw) 1446 { 1447 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1448 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1449 1450 mt7921_mutex_acquire(dev); 1451 1452 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1453 ieee80211_iterate_active_interfaces(hw, 1454 IEEE80211_IFACE_ITER_RESUME_ALL, 1455 mt76_connac_mcu_set_suspend_iter, 1456 &dev->mphy); 1457 1458 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1459 MT7921_WATCHDOG_TIME); 1460 1461 mt7921_mutex_release(dev); 1462 1463 return 0; 1464 } 1465 1466 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1467 { 1468 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1469 struct mt76_dev *mdev = &dev->mt76; 1470 1471 device_set_wakeup_enable(mdev->dev, enabled); 1472 } 1473 1474 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1475 struct ieee80211_vif *vif, 1476 struct cfg80211_gtk_rekey_data *data) 1477 { 1478 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1479 1480 mt7921_mutex_acquire(dev); 1481 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1482 mt7921_mutex_release(dev); 1483 } 1484 #endif /* CONFIG_PM */ 1485 1486 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1487 u32 queues, bool drop) 1488 { 1489 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1490 1491 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1492 HZ / 2); 1493 } 1494 1495 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1496 struct ieee80211_vif *vif, 1497 struct ieee80211_sta *sta, 1498 bool enabled) 1499 { 1500 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1501 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1502 1503 mt7921_mutex_acquire(dev); 1504 1505 if (enabled) 1506 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1507 else 1508 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1509 1510 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1511 MCU_UNI_CMD(STA_REC_UPDATE)); 1512 1513 mt7921_mutex_release(dev); 1514 } 1515 1516 #if IS_ENABLED(CONFIG_IPV6) 1517 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1518 struct ieee80211_vif *vif, 1519 struct inet6_dev *idev) 1520 { 1521 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1522 struct mt7921_dev *dev = mvif->phy->dev; 1523 struct inet6_ifaddr *ifa; 1524 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1525 struct sk_buff *skb; 1526 u8 i, idx = 0; 1527 1528 struct { 1529 struct { 1530 u8 bss_idx; 1531 u8 pad[3]; 1532 } __packed hdr; 1533 struct mt76_connac_arpns_tlv arpns; 1534 } req_hdr = { 1535 .hdr = { 1536 .bss_idx = mvif->mt76.idx, 1537 }, 1538 .arpns = { 1539 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1540 .mode = 2, /* update */ 1541 .option = 1, /* update only */ 1542 }, 1543 }; 1544 1545 read_lock_bh(&idev->lock); 1546 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1547 if (ifa->flags & IFA_F_TENTATIVE) 1548 continue; 1549 ns_addrs[idx] = ifa->addr; 1550 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1551 break; 1552 } 1553 read_unlock_bh(&idev->lock); 1554 1555 if (!idx) 1556 return; 1557 1558 req_hdr.arpns.ips_num = idx; 1559 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1560 + idx * sizeof(struct in6_addr)); 1561 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1562 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1563 sizeof(req_hdr), GFP_ATOMIC); 1564 if (!skb) 1565 return; 1566 1567 for (i = 0; i < idx; i++) 1568 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1569 1570 skb_queue_tail(&dev->ipv6_ns_list, skb); 1571 1572 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1573 } 1574 #endif 1575 1576 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1577 const struct cfg80211_sar_specs *sar) 1578 { 1579 struct mt76_phy *mphy = hw->priv; 1580 int err; 1581 1582 if (sar) { 1583 err = mt76_init_sar_power(hw, sar); 1584 if (err) 1585 return err; 1586 } 1587 1588 mt7921_init_acpi_sar_power(mt7921_hw_phy(hw), !sar); 1589 1590 err = mt76_connac_mcu_set_rate_txpower(mphy); 1591 1592 return err; 1593 } 1594 1595 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1596 const struct cfg80211_sar_specs *sar) 1597 { 1598 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1599 int err; 1600 1601 mt7921_mutex_acquire(dev); 1602 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1603 dev->country_ie_env); 1604 if (err < 0) 1605 goto out; 1606 1607 err = mt7921_set_tx_sar_pwr(hw, sar); 1608 out: 1609 mt7921_mutex_release(dev); 1610 1611 return err; 1612 } 1613 1614 static void 1615 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1616 struct ieee80211_vif *vif, 1617 struct cfg80211_chan_def *chandef) 1618 { 1619 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1620 1621 mt7921_mutex_acquire(dev); 1622 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1623 mt7921_mutex_release(dev); 1624 } 1625 1626 static int 1627 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1628 struct ieee80211_bss_conf *link_conf) 1629 { 1630 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1631 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1632 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1633 int err; 1634 1635 mt7921_mutex_acquire(dev); 1636 1637 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1638 true, mvif->ctx); 1639 if (err) 1640 goto out; 1641 1642 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1643 if (err) 1644 goto out; 1645 1646 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1647 MT76_STA_INFO_STATE_NONE); 1648 out: 1649 mt7921_mutex_release(dev); 1650 1651 return err; 1652 } 1653 1654 static void 1655 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1656 struct ieee80211_bss_conf *link_conf) 1657 { 1658 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1659 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1660 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1661 int err; 1662 1663 mt7921_mutex_acquire(dev); 1664 1665 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1666 if (err) 1667 goto out; 1668 1669 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1670 mvif->ctx); 1671 1672 out: 1673 mt7921_mutex_release(dev); 1674 } 1675 1676 static int 1677 mt7921_add_chanctx(struct ieee80211_hw *hw, 1678 struct ieee80211_chanctx_conf *ctx) 1679 { 1680 return 0; 1681 } 1682 1683 static void 1684 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1685 struct ieee80211_chanctx_conf *ctx) 1686 { 1687 } 1688 1689 static void mt7921_ctx_iter(void *priv, u8 *mac, 1690 struct ieee80211_vif *vif) 1691 { 1692 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1693 struct ieee80211_chanctx_conf *ctx = priv; 1694 1695 if (ctx != mvif->ctx) 1696 return; 1697 1698 if (vif->type & NL80211_IFTYPE_MONITOR) 1699 mt7921_mcu_config_sniffer(mvif, ctx); 1700 else 1701 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1702 } 1703 1704 static void 1705 mt7921_change_chanctx(struct ieee80211_hw *hw, 1706 struct ieee80211_chanctx_conf *ctx, 1707 u32 changed) 1708 { 1709 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1710 1711 mt7921_mutex_acquire(phy->dev); 1712 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1713 IEEE80211_IFACE_ITER_ACTIVE, 1714 mt7921_ctx_iter, ctx); 1715 mt7921_mutex_release(phy->dev); 1716 } 1717 1718 static int 1719 mt7921_assign_vif_chanctx(struct ieee80211_hw *hw, 1720 struct ieee80211_vif *vif, 1721 struct ieee80211_bss_conf *link_conf, 1722 struct ieee80211_chanctx_conf *ctx) 1723 { 1724 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1725 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1726 1727 mutex_lock(&dev->mt76.mutex); 1728 mvif->ctx = ctx; 1729 mutex_unlock(&dev->mt76.mutex); 1730 1731 return 0; 1732 } 1733 1734 static void 1735 mt7921_unassign_vif_chanctx(struct ieee80211_hw *hw, 1736 struct ieee80211_vif *vif, 1737 struct ieee80211_bss_conf *link_conf, 1738 struct ieee80211_chanctx_conf *ctx) 1739 { 1740 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1741 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1742 1743 mutex_lock(&dev->mt76.mutex); 1744 mvif->ctx = NULL; 1745 mutex_unlock(&dev->mt76.mutex); 1746 } 1747 1748 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1749 struct ieee80211_vif *vif, 1750 struct ieee80211_prep_tx_info *info) 1751 { 1752 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1753 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1754 u16 duration = info->duration ? info->duration : 1755 jiffies_to_msecs(HZ); 1756 1757 mt7921_mutex_acquire(dev); 1758 mt7921_set_roc(mvif->phy, mvif, mvif->ctx->def.chan, duration, 1759 MT7921_ROC_REQ_JOIN); 1760 mt7921_mutex_release(dev); 1761 } 1762 1763 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1764 struct ieee80211_vif *vif, 1765 struct ieee80211_prep_tx_info *info) 1766 { 1767 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1768 1769 mt7921_abort_roc(mvif->phy, mvif); 1770 } 1771 1772 const struct ieee80211_ops mt7921_ops = { 1773 .tx = mt7921_tx, 1774 .start = mt7921_start, 1775 .stop = mt7921_stop, 1776 .add_interface = mt7921_add_interface, 1777 .remove_interface = mt7921_remove_interface, 1778 .config = mt7921_config, 1779 .conf_tx = mt7921_conf_tx, 1780 .configure_filter = mt7921_configure_filter, 1781 .bss_info_changed = mt7921_bss_info_changed, 1782 .start_ap = mt7921_start_ap, 1783 .stop_ap = mt7921_stop_ap, 1784 .sta_state = mt7921_sta_state, 1785 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1786 .set_key = mt7921_set_key, 1787 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1788 #if IS_ENABLED(CONFIG_IPV6) 1789 .ipv6_addr_change = mt7921_ipv6_addr_change, 1790 #endif /* CONFIG_IPV6 */ 1791 .ampdu_action = mt7921_ampdu_action, 1792 .set_rts_threshold = mt7921_set_rts_threshold, 1793 .wake_tx_queue = mt76_wake_tx_queue, 1794 .release_buffered_frames = mt76_release_buffered_frames, 1795 .channel_switch_beacon = mt7921_channel_switch_beacon, 1796 .get_txpower = mt76_get_txpower, 1797 .get_stats = mt7921_get_stats, 1798 .get_et_sset_count = mt7921_get_et_sset_count, 1799 .get_et_strings = mt7921_get_et_strings, 1800 .get_et_stats = mt7921_get_et_stats, 1801 .get_tsf = mt7921_get_tsf, 1802 .set_tsf = mt7921_set_tsf, 1803 .get_survey = mt76_get_survey, 1804 .get_antenna = mt76_get_antenna, 1805 .set_antenna = mt7921_set_antenna, 1806 .set_coverage_class = mt7921_set_coverage_class, 1807 .hw_scan = mt7921_hw_scan, 1808 .cancel_hw_scan = mt7921_cancel_hw_scan, 1809 .sta_statistics = mt7921_sta_statistics, 1810 .sched_scan_start = mt7921_start_sched_scan, 1811 .sched_scan_stop = mt7921_stop_sched_scan, 1812 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1813 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1814 #ifdef CONFIG_PM 1815 .suspend = mt7921_suspend, 1816 .resume = mt7921_resume, 1817 .set_wakeup = mt7921_set_wakeup, 1818 .set_rekey_data = mt7921_set_rekey_data, 1819 #endif /* CONFIG_PM */ 1820 .flush = mt7921_flush, 1821 .set_sar_specs = mt7921_set_sar_specs, 1822 .remain_on_channel = mt7921_remain_on_channel, 1823 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1824 .add_chanctx = mt7921_add_chanctx, 1825 .remove_chanctx = mt7921_remove_chanctx, 1826 .change_chanctx = mt7921_change_chanctx, 1827 .assign_vif_chanctx = mt7921_assign_vif_chanctx, 1828 .unassign_vif_chanctx = mt7921_unassign_vif_chanctx, 1829 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1830 .mgd_complete_tx = mt7921_mgd_complete_tx, 1831 }; 1832 EXPORT_SYMBOL_GPL(mt7921_ops); 1833 1834 MODULE_LICENSE("Dual BSD/GPL"); 1835 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1836