developer | 0f312e8 | 2022-11-01 12:31:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: ISC |
| 2 | /* |
| 3 | * Copyright (C) 2022 MediaTek Inc. |
| 4 | */ |
| 5 | |
| 6 | #include "mt7996.h" |
| 7 | #include "mcu.h" |
| 8 | |
| 9 | static bool mt7996_dev_running(struct mt7996_dev *dev) |
| 10 | { |
| 11 | struct mt7996_phy *phy; |
| 12 | |
| 13 | if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) |
| 14 | return true; |
| 15 | |
| 16 | phy = mt7996_phy2(dev); |
| 17 | if (phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) |
| 18 | return true; |
| 19 | |
| 20 | phy = mt7996_phy3(dev); |
| 21 | |
| 22 | return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 23 | } |
| 24 | |
| 25 | static int mt7996_start(struct ieee80211_hw *hw) |
| 26 | { |
| 27 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 28 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 29 | bool running; |
| 30 | int ret; |
| 31 | |
| 32 | flush_work(&dev->init_work); |
| 33 | |
| 34 | mutex_lock(&dev->mt76.mutex); |
| 35 | |
| 36 | running = mt7996_dev_running(dev); |
| 37 | if (!running) { |
| 38 | ret = mt7996_mcu_set_hdr_trans(dev, true); |
| 39 | if (ret) |
| 40 | goto out; |
| 41 | } |
| 42 | |
| 43 | mt7996_mac_enable_nf(dev, phy->mt76->band_idx); |
| 44 | |
| 45 | ret = mt7996_mcu_set_rts_thresh(phy, 0x92b); |
| 46 | if (ret) |
| 47 | goto out; |
| 48 | |
| 49 | ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH); |
| 50 | if (ret) |
| 51 | goto out; |
| 52 | |
| 53 | set_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 54 | |
| 55 | ieee80211_iterate_interfaces(dev->mt76.hw, |
| 56 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 57 | mt7996_mcu_set_pm, dev->mt76.hw); |
| 58 | |
| 59 | ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, |
| 60 | MT7996_WATCHDOG_TIME); |
| 61 | |
| 62 | if (!running) |
| 63 | mt7996_mac_reset_counters(phy); |
| 64 | |
| 65 | out: |
| 66 | mutex_unlock(&dev->mt76.mutex); |
| 67 | |
| 68 | return ret; |
| 69 | } |
| 70 | |
| 71 | static void mt7996_stop(struct ieee80211_hw *hw) |
| 72 | { |
| 73 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 74 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 75 | |
| 76 | cancel_delayed_work_sync(&phy->mt76->mac_work); |
| 77 | |
| 78 | mutex_lock(&dev->mt76.mutex); |
| 79 | |
| 80 | clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 81 | |
| 82 | ieee80211_iterate_interfaces(dev->mt76.hw, |
| 83 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 84 | mt7996_mcu_set_pm, dev->mt76.hw); |
| 85 | |
| 86 | mutex_unlock(&dev->mt76.mutex); |
| 87 | } |
| 88 | |
| 89 | static inline int get_free_idx(u32 mask, u8 start, u8 end) |
| 90 | { |
| 91 | return ffs(~mask & GENMASK(end, start)); |
| 92 | } |
| 93 | |
| 94 | static int get_omac_idx(enum nl80211_iftype type, u64 mask) |
| 95 | { |
| 96 | int i; |
| 97 | |
| 98 | switch (type) { |
| 99 | case NL80211_IFTYPE_MESH_POINT: |
| 100 | case NL80211_IFTYPE_ADHOC: |
| 101 | case NL80211_IFTYPE_STATION: |
| 102 | /* prefer hw bssid slot 1-3 */ |
| 103 | i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); |
| 104 | if (i) |
| 105 | return i - 1; |
| 106 | |
| 107 | if (type != NL80211_IFTYPE_STATION) |
| 108 | break; |
| 109 | |
| 110 | i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); |
| 111 | if (i) |
| 112 | return i - 1; |
| 113 | |
| 114 | if (~mask & BIT(HW_BSSID_0)) |
| 115 | return HW_BSSID_0; |
| 116 | |
| 117 | break; |
| 118 | case NL80211_IFTYPE_MONITOR: |
| 119 | case NL80211_IFTYPE_AP: |
| 120 | /* ap uses hw bssid 0 and ext bssid */ |
| 121 | if (~mask & BIT(HW_BSSID_0)) |
| 122 | return HW_BSSID_0; |
| 123 | |
| 124 | i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); |
| 125 | if (i) |
| 126 | return i - 1; |
| 127 | |
| 128 | break; |
| 129 | default: |
| 130 | WARN_ON(1); |
| 131 | break; |
| 132 | } |
| 133 | |
| 134 | return -1; |
| 135 | } |
| 136 | |
| 137 | static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif) |
| 138 | { |
| 139 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 140 | int i; |
| 141 | |
| 142 | for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { |
| 143 | mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; |
| 144 | mvif->bitrate_mask.control[i].he_gi = 0xff; |
| 145 | mvif->bitrate_mask.control[i].he_ltf = 0xff; |
| 146 | mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); |
| 147 | memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff, |
| 148 | sizeof(mvif->bitrate_mask.control[i].ht_mcs)); |
| 149 | memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff, |
| 150 | sizeof(mvif->bitrate_mask.control[i].vht_mcs)); |
| 151 | memset(mvif->bitrate_mask.control[i].he_mcs, 0xff, |
| 152 | sizeof(mvif->bitrate_mask.control[i].he_mcs)); |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | static int mt7996_add_interface(struct ieee80211_hw *hw, |
| 157 | struct ieee80211_vif *vif) |
| 158 | { |
| 159 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 160 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 161 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 162 | struct mt76_txq *mtxq; |
| 163 | u8 band_idx = phy->mt76->band_idx; |
| 164 | int idx, ret = 0; |
| 165 | |
| 166 | mutex_lock(&dev->mt76.mutex); |
| 167 | |
| 168 | if (vif->type == NL80211_IFTYPE_MONITOR && |
| 169 | is_zero_ether_addr(vif->addr)) |
| 170 | phy->monitor_vif = vif; |
| 171 | |
| 172 | mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); |
| 173 | if (mvif->mt76.idx >= (MT7996_MAX_INTERFACES << dev->dbdc_support)) { |
| 174 | ret = -ENOSPC; |
| 175 | goto out; |
| 176 | } |
| 177 | |
| 178 | idx = get_omac_idx(vif->type, phy->omac_mask); |
| 179 | if (idx < 0) { |
| 180 | ret = -ENOSPC; |
| 181 | goto out; |
| 182 | } |
| 183 | mvif->mt76.omac_idx = idx; |
| 184 | mvif->phy = phy; |
| 185 | mvif->mt76.band_idx = band_idx; |
| 186 | mvif->mt76.wmm_idx = band_idx; |
| 187 | |
| 188 | ret = mt7996_mcu_add_dev_info(phy, vif, true); |
| 189 | if (ret) |
| 190 | goto out; |
| 191 | |
| 192 | ret = mt7996_mcu_set_radio_en(phy, true); |
| 193 | if (ret) |
| 194 | goto out; |
| 195 | |
| 196 | dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); |
| 197 | phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); |
| 198 | |
| 199 | idx = MT7996_WTBL_RESERVED - mvif->mt76.idx; |
| 200 | |
| 201 | INIT_LIST_HEAD(&mvif->sta.rc_list); |
| 202 | INIT_LIST_HEAD(&mvif->sta.poll_list); |
| 203 | mvif->sta.wcid.idx = idx; |
| 204 | mvif->sta.wcid.phy_idx = band_idx; |
| 205 | mvif->sta.wcid.hw_key_idx = -1; |
| 206 | mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| 207 | mt76_packet_id_init(&mvif->sta.wcid); |
| 208 | |
| 209 | mt7996_mac_wtbl_update(dev, idx, |
| 210 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 211 | |
| 212 | if (vif->txq) { |
| 213 | mtxq = (struct mt76_txq *)vif->txq->drv_priv; |
| 214 | mtxq->wcid = idx; |
| 215 | } |
| 216 | |
| 217 | if (vif->type != NL80211_IFTYPE_AP && |
| 218 | (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) |
| 219 | vif->offload_flags = 0; |
| 220 | vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; |
| 221 | |
| 222 | mt7996_init_bitrate_mask(vif); |
| 223 | memset(&mvif->cap, -1, sizeof(mvif->cap)); |
| 224 | |
| 225 | mt7996_mcu_add_bss_info(phy, vif, true); |
| 226 | mt7996_mcu_add_sta(dev, vif, NULL, true); |
| 227 | rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); |
| 228 | |
| 229 | out: |
| 230 | mutex_unlock(&dev->mt76.mutex); |
| 231 | |
| 232 | return ret; |
| 233 | } |
| 234 | |
| 235 | static void mt7996_remove_interface(struct ieee80211_hw *hw, |
| 236 | struct ieee80211_vif *vif) |
| 237 | { |
| 238 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 239 | struct mt7996_sta *msta = &mvif->sta; |
| 240 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 241 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 242 | int idx = msta->wcid.idx; |
| 243 | |
| 244 | mt7996_mcu_add_bss_info(phy, vif, false); |
| 245 | mt7996_mcu_add_sta(dev, vif, NULL, false); |
| 246 | |
| 247 | if (vif == phy->monitor_vif) |
| 248 | phy->monitor_vif = NULL; |
| 249 | |
| 250 | mt7996_mcu_add_dev_info(phy, vif, false); |
| 251 | mt7996_mcu_set_radio_en(phy, false); |
| 252 | |
| 253 | rcu_assign_pointer(dev->mt76.wcid[idx], NULL); |
| 254 | |
| 255 | mutex_lock(&dev->mt76.mutex); |
| 256 | dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); |
| 257 | phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); |
| 258 | mutex_unlock(&dev->mt76.mutex); |
| 259 | |
| 260 | spin_lock_bh(&dev->sta_poll_lock); |
| 261 | if (!list_empty(&msta->poll_list)) |
| 262 | list_del_init(&msta->poll_list); |
| 263 | spin_unlock_bh(&dev->sta_poll_lock); |
| 264 | |
| 265 | mt76_packet_id_flush(&dev->mt76, &msta->wcid); |
| 266 | } |
| 267 | |
| 268 | int mt7996_set_channel(struct mt7996_phy *phy) |
| 269 | { |
| 270 | struct mt7996_dev *dev = phy->dev; |
| 271 | int ret; |
| 272 | |
| 273 | cancel_delayed_work_sync(&phy->mt76->mac_work); |
| 274 | |
| 275 | mutex_lock(&dev->mt76.mutex); |
| 276 | set_bit(MT76_RESET, &phy->mt76->state); |
| 277 | |
| 278 | mt76_set_channel(phy->mt76); |
| 279 | |
| 280 | ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH); |
| 281 | if (ret) |
| 282 | goto out; |
| 283 | |
| 284 | mt7996_mac_set_timing(phy); |
| 285 | ret = mt7996_dfs_init_radar_detector(phy); |
| 286 | mt7996_mac_cca_stats_reset(phy); |
| 287 | |
| 288 | mt7996_mac_reset_counters(phy); |
| 289 | phy->noise = 0; |
| 290 | |
| 291 | out: |
| 292 | clear_bit(MT76_RESET, &phy->mt76->state); |
| 293 | mutex_unlock(&dev->mt76.mutex); |
| 294 | |
| 295 | mt76_txq_schedule_all(phy->mt76); |
| 296 | |
| 297 | ieee80211_queue_delayed_work(phy->mt76->hw, |
| 298 | &phy->mt76->mac_work, |
| 299 | MT7996_WATCHDOG_TIME); |
| 300 | |
| 301 | return ret; |
| 302 | } |
| 303 | |
| 304 | static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 305 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| 306 | struct ieee80211_key_conf *key) |
| 307 | { |
| 308 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 309 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 310 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 311 | struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv : |
| 312 | &mvif->sta; |
| 313 | struct mt76_wcid *wcid = &msta->wcid; |
| 314 | u8 *wcid_keyidx = &wcid->hw_key_idx; |
| 315 | int idx = key->keyidx; |
| 316 | int err = 0; |
| 317 | |
| 318 | /* The hardware does not support per-STA RX GTK, fallback |
| 319 | * to software mode for these. |
| 320 | */ |
| 321 | if ((vif->type == NL80211_IFTYPE_ADHOC || |
| 322 | vif->type == NL80211_IFTYPE_MESH_POINT) && |
| 323 | (key->cipher == WLAN_CIPHER_SUITE_TKIP || |
| 324 | key->cipher == WLAN_CIPHER_SUITE_CCMP) && |
| 325 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) |
| 326 | return -EOPNOTSUPP; |
| 327 | |
| 328 | /* fall back to sw encryption for unsupported ciphers */ |
| 329 | switch (key->cipher) { |
| 330 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 331 | wcid_keyidx = &wcid->hw_key_idx2; |
| 332 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; |
| 333 | break; |
| 334 | case WLAN_CIPHER_SUITE_TKIP: |
| 335 | case WLAN_CIPHER_SUITE_CCMP: |
| 336 | case WLAN_CIPHER_SUITE_CCMP_256: |
| 337 | case WLAN_CIPHER_SUITE_GCMP: |
| 338 | case WLAN_CIPHER_SUITE_GCMP_256: |
| 339 | case WLAN_CIPHER_SUITE_SMS4: |
| 340 | break; |
| 341 | case WLAN_CIPHER_SUITE_WEP40: |
| 342 | case WLAN_CIPHER_SUITE_WEP104: |
| 343 | default: |
| 344 | return -EOPNOTSUPP; |
| 345 | } |
| 346 | |
| 347 | mutex_lock(&dev->mt76.mutex); |
| 348 | |
| 349 | if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { |
| 350 | mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); |
| 351 | mt7996_mcu_add_bss_info(phy, vif, true); |
| 352 | } |
| 353 | |
| 354 | if (cmd == SET_KEY) |
| 355 | *wcid_keyidx = idx; |
| 356 | else if (idx == *wcid_keyidx) |
| 357 | *wcid_keyidx = -1; |
| 358 | else |
| 359 | goto out; |
| 360 | |
| 361 | mt76_wcid_key_setup(&dev->mt76, wcid, |
| 362 | cmd == SET_KEY ? key : NULL); |
| 363 | |
| 364 | err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip, |
| 365 | key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), |
| 366 | &msta->wcid, cmd); |
| 367 | out: |
| 368 | mutex_unlock(&dev->mt76.mutex); |
| 369 | |
| 370 | return err; |
| 371 | } |
| 372 | |
| 373 | static int mt7996_config(struct ieee80211_hw *hw, u32 changed) |
| 374 | { |
| 375 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 376 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 377 | int ret; |
| 378 | |
| 379 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
| 380 | ieee80211_stop_queues(hw); |
| 381 | ret = mt7996_set_channel(phy); |
| 382 | if (ret) |
| 383 | return ret; |
| 384 | ieee80211_wake_queues(hw); |
| 385 | } |
| 386 | |
| 387 | mutex_lock(&dev->mt76.mutex); |
| 388 | |
| 389 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
| 390 | bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); |
| 391 | |
| 392 | if (!enabled) |
| 393 | phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; |
| 394 | else |
| 395 | phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; |
| 396 | |
| 397 | mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx), |
| 398 | MT_DMA_DCR0_RXD_G5_EN, enabled); |
| 399 | mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); |
| 400 | } |
| 401 | |
| 402 | mutex_unlock(&dev->mt76.mutex); |
| 403 | |
| 404 | return 0; |
| 405 | } |
| 406 | |
| 407 | static int |
| 408 | mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, |
| 409 | const struct ieee80211_tx_queue_params *params) |
| 410 | { |
| 411 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 412 | |
| 413 | /* no need to update right away, we'll get BSS_CHANGED_QOS */ |
| 414 | queue = mt76_connac_lmac_mapping(queue); |
| 415 | mvif->queue_params[queue] = *params; |
| 416 | |
| 417 | return 0; |
| 418 | } |
| 419 | |
| 420 | static void mt7996_configure_filter(struct ieee80211_hw *hw, |
| 421 | unsigned int changed_flags, |
| 422 | unsigned int *total_flags, |
| 423 | u64 multicast) |
| 424 | { |
| 425 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 426 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 427 | u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | |
| 428 | MT_WF_RFCR1_DROP_BF_POLL | |
| 429 | MT_WF_RFCR1_DROP_BA | |
| 430 | MT_WF_RFCR1_DROP_CFEND | |
| 431 | MT_WF_RFCR1_DROP_CFACK; |
| 432 | u32 flags = 0; |
| 433 | |
| 434 | #define MT76_FILTER(_flag, _hw) do { \ |
| 435 | flags |= *total_flags & FIF_##_flag; \ |
| 436 | phy->rxfilter &= ~(_hw); \ |
| 437 | phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ |
| 438 | } while (0) |
| 439 | |
| 440 | mutex_lock(&dev->mt76.mutex); |
| 441 | |
| 442 | phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | |
| 443 | MT_WF_RFCR_DROP_OTHER_BEACON | |
| 444 | MT_WF_RFCR_DROP_FRAME_REPORT | |
| 445 | MT_WF_RFCR_DROP_PROBEREQ | |
| 446 | MT_WF_RFCR_DROP_MCAST_FILTERED | |
| 447 | MT_WF_RFCR_DROP_MCAST | |
| 448 | MT_WF_RFCR_DROP_BCAST | |
| 449 | MT_WF_RFCR_DROP_DUPLICATE | |
| 450 | MT_WF_RFCR_DROP_A2_BSSID | |
| 451 | MT_WF_RFCR_DROP_UNWANTED_CTL | |
| 452 | MT_WF_RFCR_DROP_STBC_MULTI); |
| 453 | |
| 454 | MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | |
| 455 | MT_WF_RFCR_DROP_A3_MAC | |
| 456 | MT_WF_RFCR_DROP_A3_BSSID); |
| 457 | |
| 458 | MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); |
| 459 | |
| 460 | MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | |
| 461 | MT_WF_RFCR_DROP_RTS | |
| 462 | MT_WF_RFCR_DROP_CTL_RSV | |
| 463 | MT_WF_RFCR_DROP_NDPA); |
| 464 | |
| 465 | *total_flags = flags; |
| 466 | mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); |
| 467 | |
| 468 | if (*total_flags & FIF_CONTROL) |
| 469 | mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); |
| 470 | else |
| 471 | mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); |
| 472 | |
| 473 | mutex_unlock(&dev->mt76.mutex); |
| 474 | } |
| 475 | |
| 476 | static void |
| 477 | mt7996_update_bss_color(struct ieee80211_hw *hw, |
| 478 | struct ieee80211_vif *vif, |
| 479 | struct cfg80211_he_bss_color *bss_color) |
| 480 | { |
| 481 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 482 | |
| 483 | switch (vif->type) { |
| 484 | case NL80211_IFTYPE_AP: { |
| 485 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 486 | |
| 487 | if (mvif->mt76.omac_idx > HW_BSSID_MAX) |
| 488 | return; |
| 489 | fallthrough; |
| 490 | } |
| 491 | case NL80211_IFTYPE_STATION: |
| 492 | mt7996_mcu_update_bss_color(dev, vif, bss_color); |
| 493 | break; |
| 494 | default: |
| 495 | break; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | static void mt7996_bss_info_changed(struct ieee80211_hw *hw, |
| 500 | struct ieee80211_vif *vif, |
| 501 | struct ieee80211_bss_conf *info, |
| 502 | u32 changed) |
| 503 | { |
| 504 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 505 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 506 | |
| 507 | mutex_lock(&dev->mt76.mutex); |
| 508 | |
| 509 | /* |
| 510 | * station mode uses BSSID to map the wlan entry to a peer, |
| 511 | * and then peer references bss_info_rfch to set bandwidth cap. |
| 512 | */ |
| 513 | if (changed & BSS_CHANGED_BSSID && |
| 514 | vif->type == NL80211_IFTYPE_STATION) { |
| 515 | bool join = !is_zero_ether_addr(info->bssid); |
| 516 | |
| 517 | mt7996_mcu_add_bss_info(phy, vif, join); |
| 518 | mt7996_mcu_add_sta(dev, vif, NULL, join); |
| 519 | } |
| 520 | |
| 521 | if (changed & BSS_CHANGED_ASSOC) { |
| 522 | mt7996_mcu_add_bss_info(phy, vif, info->assoc); |
| 523 | mt7996_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); |
| 524 | } |
| 525 | |
| 526 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 527 | int slottime = info->use_short_slot ? 9 : 20; |
| 528 | |
| 529 | if (slottime != phy->slottime) { |
| 530 | phy->slottime = slottime; |
| 531 | mt7996_mac_set_timing(phy); |
| 532 | } |
| 533 | } |
| 534 | |
| 535 | if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { |
| 536 | mt7996_mcu_add_bss_info(phy, vif, true); |
| 537 | mt7996_mcu_add_sta(dev, vif, NULL, true); |
| 538 | } |
| 539 | |
| 540 | /* ensure that enable txcmd_mode after bss_info */ |
| 541 | if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) |
| 542 | mt7996_mcu_set_tx(dev, vif); |
| 543 | |
| 544 | if (changed & BSS_CHANGED_HE_OBSS_PD) |
| 545 | mt7996_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); |
| 546 | |
| 547 | if (changed & BSS_CHANGED_HE_BSS_COLOR) |
| 548 | mt7996_update_bss_color(hw, vif, &info->he_bss_color); |
| 549 | |
| 550 | if (changed & (BSS_CHANGED_BEACON | |
| 551 | BSS_CHANGED_BEACON_ENABLED)) |
| 552 | mt7996_mcu_add_beacon(hw, vif, info->enable_beacon); |
| 553 | |
| 554 | if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP || |
| 555 | changed & BSS_CHANGED_FILS_DISCOVERY) |
| 556 | mt7996_mcu_beacon_inband_discov(dev, vif, changed); |
| 557 | |
| 558 | mutex_unlock(&dev->mt76.mutex); |
| 559 | } |
| 560 | |
| 561 | static void |
| 562 | mt7996_channel_switch_beacon(struct ieee80211_hw *hw, |
| 563 | struct ieee80211_vif *vif, |
| 564 | struct cfg80211_chan_def *chandef) |
| 565 | { |
| 566 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 567 | |
| 568 | mutex_lock(&dev->mt76.mutex); |
| 569 | mt7996_mcu_add_beacon(hw, vif, true); |
| 570 | mutex_unlock(&dev->mt76.mutex); |
| 571 | } |
| 572 | |
| 573 | int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| 574 | struct ieee80211_sta *sta) |
| 575 | { |
| 576 | struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); |
| 577 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 578 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 579 | u8 band_idx = mvif->phy->mt76->band_idx; |
| 580 | int ret, idx; |
| 581 | |
| 582 | idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); |
| 583 | if (idx < 0) |
| 584 | return -ENOSPC; |
| 585 | |
| 586 | INIT_LIST_HEAD(&msta->rc_list); |
| 587 | INIT_LIST_HEAD(&msta->poll_list); |
| 588 | msta->vif = mvif; |
| 589 | msta->wcid.sta = 1; |
| 590 | msta->wcid.idx = idx; |
| 591 | msta->wcid.phy_idx = band_idx; |
| 592 | msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| 593 | msta->jiffies = jiffies; |
| 594 | |
| 595 | mt7996_mac_wtbl_update(dev, idx, |
| 596 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 597 | |
| 598 | ret = mt7996_mcu_add_sta(dev, vif, sta, true); |
| 599 | if (ret) |
| 600 | return ret; |
| 601 | |
| 602 | return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false); |
| 603 | } |
| 604 | |
| 605 | void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| 606 | struct ieee80211_sta *sta) |
| 607 | { |
| 608 | struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); |
| 609 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 610 | int i; |
| 611 | |
| 612 | mt7996_mcu_add_sta(dev, vif, sta, false); |
| 613 | |
| 614 | mt7996_mac_wtbl_update(dev, msta->wcid.idx, |
| 615 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 616 | |
| 617 | for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) |
| 618 | mt7996_mac_twt_teardown_flow(dev, msta, i); |
| 619 | |
| 620 | spin_lock_bh(&dev->sta_poll_lock); |
| 621 | if (!list_empty(&msta->poll_list)) |
| 622 | list_del_init(&msta->poll_list); |
| 623 | if (!list_empty(&msta->rc_list)) |
| 624 | list_del_init(&msta->rc_list); |
| 625 | spin_unlock_bh(&dev->sta_poll_lock); |
| 626 | } |
| 627 | |
| 628 | static void mt7996_tx(struct ieee80211_hw *hw, |
| 629 | struct ieee80211_tx_control *control, |
| 630 | struct sk_buff *skb) |
| 631 | { |
| 632 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 633 | struct mt76_phy *mphy = hw->priv; |
| 634 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 635 | struct ieee80211_vif *vif = info->control.vif; |
| 636 | struct mt76_wcid *wcid = &dev->mt76.global_wcid; |
| 637 | |
| 638 | if (control->sta) { |
| 639 | struct mt7996_sta *sta; |
| 640 | |
| 641 | sta = (struct mt7996_sta *)control->sta->drv_priv; |
| 642 | wcid = &sta->wcid; |
| 643 | } |
| 644 | |
| 645 | if (vif && !control->sta) { |
| 646 | struct mt7996_vif *mvif; |
| 647 | |
| 648 | mvif = (struct mt7996_vif *)vif->drv_priv; |
| 649 | wcid = &mvif->sta.wcid; |
| 650 | } |
| 651 | |
| 652 | mt76_tx(mphy, control->sta, wcid, skb); |
| 653 | } |
| 654 | |
| 655 | static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val) |
| 656 | { |
| 657 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 658 | int ret; |
| 659 | |
| 660 | mutex_lock(&phy->dev->mt76.mutex); |
| 661 | ret = mt7996_mcu_set_rts_thresh(phy, val); |
| 662 | mutex_unlock(&phy->dev->mt76.mutex); |
| 663 | |
| 664 | return ret; |
| 665 | } |
| 666 | |
| 667 | static int |
| 668 | mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 669 | struct ieee80211_ampdu_params *params) |
| 670 | { |
| 671 | enum ieee80211_ampdu_mlme_action action = params->action; |
| 672 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 673 | struct ieee80211_sta *sta = params->sta; |
| 674 | struct ieee80211_txq *txq = sta->txq[params->tid]; |
| 675 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 676 | u16 tid = params->tid; |
| 677 | u16 ssn = params->ssn; |
| 678 | struct mt76_txq *mtxq; |
| 679 | int ret = 0; |
| 680 | |
| 681 | if (!txq) |
| 682 | return -EINVAL; |
| 683 | |
| 684 | mtxq = (struct mt76_txq *)txq->drv_priv; |
| 685 | |
| 686 | mutex_lock(&dev->mt76.mutex); |
| 687 | switch (action) { |
| 688 | case IEEE80211_AMPDU_RX_START: |
| 689 | mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, |
| 690 | params->buf_size); |
| 691 | ret = mt7996_mcu_add_rx_ba(dev, params, true); |
| 692 | break; |
| 693 | case IEEE80211_AMPDU_RX_STOP: |
| 694 | mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); |
| 695 | ret = mt7996_mcu_add_rx_ba(dev, params, false); |
| 696 | break; |
| 697 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 698 | mtxq->aggr = true; |
| 699 | mtxq->send_bar = false; |
| 700 | ret = mt7996_mcu_add_tx_ba(dev, params, true); |
| 701 | break; |
| 702 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| 703 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| 704 | mtxq->aggr = false; |
| 705 | clear_bit(tid, &msta->ampdu_state); |
| 706 | ret = mt7996_mcu_add_tx_ba(dev, params, false); |
| 707 | break; |
| 708 | case IEEE80211_AMPDU_TX_START: |
| 709 | set_bit(tid, &msta->ampdu_state); |
| 710 | ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; |
| 711 | break; |
| 712 | case IEEE80211_AMPDU_TX_STOP_CONT: |
| 713 | mtxq->aggr = false; |
| 714 | clear_bit(tid, &msta->ampdu_state); |
| 715 | ret = mt7996_mcu_add_tx_ba(dev, params, false); |
| 716 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| 717 | break; |
| 718 | } |
| 719 | mutex_unlock(&dev->mt76.mutex); |
| 720 | |
| 721 | return ret; |
| 722 | } |
| 723 | |
| 724 | static int |
| 725 | mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 726 | struct ieee80211_sta *sta) |
| 727 | { |
| 728 | return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, |
| 729 | IEEE80211_STA_NONE); |
| 730 | } |
| 731 | |
| 732 | static int |
| 733 | mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 734 | struct ieee80211_sta *sta) |
| 735 | { |
| 736 | return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, |
| 737 | IEEE80211_STA_NOTEXIST); |
| 738 | } |
| 739 | |
| 740 | static int |
| 741 | mt7996_get_stats(struct ieee80211_hw *hw, |
| 742 | struct ieee80211_low_level_stats *stats) |
| 743 | { |
| 744 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 745 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 746 | struct mib_stats *mib = &phy->mib; |
| 747 | |
| 748 | mutex_lock(&dev->mt76.mutex); |
| 749 | |
| 750 | stats->dot11RTSSuccessCount = mib->rts_cnt; |
| 751 | stats->dot11RTSFailureCount = mib->rts_retries_cnt; |
| 752 | stats->dot11FCSErrorCount = mib->fcs_err_cnt; |
| 753 | stats->dot11ACKFailureCount = mib->ack_fail_cnt; |
| 754 | |
| 755 | mutex_unlock(&dev->mt76.mutex); |
| 756 | |
| 757 | return 0; |
| 758 | } |
| 759 | |
| 760 | u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif) |
| 761 | { |
| 762 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 763 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 764 | union { |
| 765 | u64 t64; |
| 766 | u32 t32[2]; |
| 767 | } tsf; |
| 768 | u16 n; |
| 769 | |
| 770 | lockdep_assert_held(&dev->mt76.mutex); |
| 771 | |
| 772 | n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 |
| 773 | : mvif->mt76.omac_idx; |
| 774 | /* TSF software read */ |
| 775 | mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, |
| 776 | MT_LPON_TCR_SW_READ); |
| 777 | tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx)); |
| 778 | tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx)); |
| 779 | |
| 780 | return tsf.t64; |
| 781 | } |
| 782 | |
| 783 | static u64 |
| 784 | mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 785 | { |
| 786 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 787 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 788 | u64 ret; |
| 789 | |
| 790 | mutex_lock(&dev->mt76.mutex); |
| 791 | ret = __mt7996_get_tsf(hw, mvif); |
| 792 | mutex_unlock(&dev->mt76.mutex); |
| 793 | |
| 794 | return ret; |
| 795 | } |
| 796 | |
| 797 | static void |
| 798 | mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 799 | u64 timestamp) |
| 800 | { |
| 801 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 802 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 803 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 804 | union { |
| 805 | u64 t64; |
| 806 | u32 t32[2]; |
| 807 | } tsf = { .t64 = timestamp, }; |
| 808 | u16 n; |
| 809 | |
| 810 | mutex_lock(&dev->mt76.mutex); |
| 811 | |
| 812 | n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 |
| 813 | : mvif->mt76.omac_idx; |
| 814 | mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); |
| 815 | mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); |
| 816 | /* TSF software overwrite */ |
| 817 | mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, |
| 818 | MT_LPON_TCR_SW_WRITE); |
| 819 | |
| 820 | mutex_unlock(&dev->mt76.mutex); |
| 821 | } |
| 822 | |
| 823 | static void |
| 824 | mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 825 | s64 timestamp) |
| 826 | { |
| 827 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 828 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 829 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 830 | union { |
| 831 | u64 t64; |
| 832 | u32 t32[2]; |
| 833 | } tsf = { .t64 = timestamp, }; |
| 834 | u16 n; |
| 835 | |
| 836 | mutex_lock(&dev->mt76.mutex); |
| 837 | |
| 838 | n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 |
| 839 | : mvif->mt76.omac_idx; |
| 840 | mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); |
| 841 | mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); |
| 842 | /* TSF software adjust*/ |
| 843 | mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, |
| 844 | MT_LPON_TCR_SW_ADJUST); |
| 845 | |
| 846 | mutex_unlock(&dev->mt76.mutex); |
| 847 | } |
| 848 | |
| 849 | static void |
| 850 | mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) |
| 851 | { |
| 852 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 853 | struct mt7996_dev *dev = phy->dev; |
| 854 | |
| 855 | mutex_lock(&dev->mt76.mutex); |
| 856 | phy->coverage_class = max_t(s16, coverage_class, 0); |
| 857 | mt7996_mac_set_timing(phy); |
| 858 | mutex_unlock(&dev->mt76.mutex); |
| 859 | } |
| 860 | |
| 861 | static int |
| 862 | mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) |
| 863 | { |
| 864 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 865 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 866 | int max_nss = hweight8(hw->wiphy->available_antennas_tx); |
| 867 | u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx]; |
| 868 | |
| 869 | if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) |
| 870 | return -EINVAL; |
| 871 | |
| 872 | if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) |
| 873 | tx_ant = BIT(ffs(tx_ant) - 1) - 1; |
| 874 | |
| 875 | mutex_lock(&dev->mt76.mutex); |
| 876 | |
| 877 | phy->mt76->antenna_mask = tx_ant; |
| 878 | |
| 879 | /* restore to the origin chainmask which might have auxiliary path */ |
| 880 | if (hweight8(tx_ant) == max_nss) |
| 881 | phy->mt76->chainmask = (dev->chainmask >> shift) << shift; |
| 882 | else |
| 883 | phy->mt76->chainmask = tx_ant << shift; |
| 884 | |
| 885 | mt76_set_stream_caps(phy->mt76, true); |
| 886 | mt7996_set_stream_vht_txbf_caps(phy); |
| 887 | mt7996_set_stream_he_caps(phy); |
| 888 | |
| 889 | mutex_unlock(&dev->mt76.mutex); |
| 890 | |
| 891 | return 0; |
| 892 | } |
| 893 | |
| 894 | static void mt7996_sta_statistics(struct ieee80211_hw *hw, |
| 895 | struct ieee80211_vif *vif, |
| 896 | struct ieee80211_sta *sta, |
| 897 | struct station_info *sinfo) |
| 898 | { |
| 899 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 900 | struct rate_info *txrate = &msta->wcid.rate; |
| 901 | |
| 902 | if (!txrate->legacy && !txrate->flags) |
| 903 | return; |
| 904 | |
| 905 | if (txrate->legacy) { |
| 906 | sinfo->txrate.legacy = txrate->legacy; |
| 907 | } else { |
| 908 | sinfo->txrate.mcs = txrate->mcs; |
| 909 | sinfo->txrate.nss = txrate->nss; |
| 910 | sinfo->txrate.bw = txrate->bw; |
| 911 | sinfo->txrate.he_gi = txrate->he_gi; |
| 912 | sinfo->txrate.he_dcm = txrate->he_dcm; |
| 913 | sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; |
| 914 | } |
| 915 | sinfo->txrate.flags = txrate->flags; |
| 916 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); |
| 917 | } |
| 918 | |
| 919 | static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) |
| 920 | { |
| 921 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 922 | struct mt7996_dev *dev = msta->vif->phy->dev; |
| 923 | u32 *changed = data; |
| 924 | |
| 925 | spin_lock_bh(&dev->sta_poll_lock); |
| 926 | msta->changed |= *changed; |
| 927 | if (list_empty(&msta->rc_list)) |
| 928 | list_add_tail(&msta->rc_list, &dev->sta_rc_list); |
| 929 | spin_unlock_bh(&dev->sta_poll_lock); |
| 930 | } |
| 931 | |
| 932 | static void mt7996_sta_rc_update(struct ieee80211_hw *hw, |
| 933 | struct ieee80211_vif *vif, |
| 934 | struct ieee80211_sta *sta, |
| 935 | u32 changed) |
| 936 | { |
| 937 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 938 | struct mt7996_dev *dev = phy->dev; |
| 939 | |
| 940 | mt7996_sta_rc_work(&changed, sta); |
| 941 | ieee80211_queue_work(hw, &dev->rc_work); |
| 942 | } |
| 943 | |
| 944 | static int |
| 945 | mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 946 | const struct cfg80211_bitrate_mask *mask) |
| 947 | { |
| 948 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 949 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 950 | struct mt7996_dev *dev = phy->dev; |
| 951 | u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; |
| 952 | |
| 953 | mvif->bitrate_mask = *mask; |
| 954 | |
| 955 | /* if multiple rates across different preambles are given we can |
| 956 | * reconfigure this info with all peers using sta_rec command with |
| 957 | * the below exception cases. |
| 958 | * - single rate : if a rate is passed along with different preambles, |
| 959 | * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. |
| 960 | * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT |
| 961 | * then multiple MCS setting (MCS 4,5,6) is not supported. |
| 962 | */ |
| 963 | ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed); |
| 964 | ieee80211_queue_work(hw, &dev->rc_work); |
| 965 | |
| 966 | return 0; |
| 967 | } |
| 968 | |
| 969 | static void mt7996_sta_set_4addr(struct ieee80211_hw *hw, |
| 970 | struct ieee80211_vif *vif, |
| 971 | struct ieee80211_sta *sta, |
| 972 | bool enabled) |
| 973 | { |
| 974 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 975 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 976 | |
| 977 | if (enabled) |
| 978 | set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); |
| 979 | else |
| 980 | clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); |
| 981 | |
| 982 | mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); |
| 983 | } |
| 984 | |
| 985 | static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw, |
| 986 | struct ieee80211_vif *vif, |
| 987 | struct ieee80211_sta *sta, |
| 988 | bool enabled) |
| 989 | { |
| 990 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 991 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 992 | |
| 993 | if (enabled) |
| 994 | set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| 995 | else |
| 996 | clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| 997 | |
| 998 | mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); |
| 999 | } |
| 1000 | |
| 1001 | static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = { |
| 1002 | "tx_ampdu_cnt", |
| 1003 | "tx_stop_q_empty_cnt", |
| 1004 | "tx_mpdu_attempts", |
| 1005 | "tx_mpdu_success", |
| 1006 | "tx_rwp_fail_cnt", |
| 1007 | "tx_rwp_need_cnt", |
| 1008 | "tx_pkt_ebf_cnt", |
| 1009 | "tx_pkt_ibf_cnt", |
| 1010 | "tx_ampdu_len:0-1", |
| 1011 | "tx_ampdu_len:2-10", |
| 1012 | "tx_ampdu_len:11-19", |
| 1013 | "tx_ampdu_len:20-28", |
| 1014 | "tx_ampdu_len:29-37", |
| 1015 | "tx_ampdu_len:38-46", |
| 1016 | "tx_ampdu_len:47-55", |
| 1017 | "tx_ampdu_len:56-79", |
| 1018 | "tx_ampdu_len:80-103", |
| 1019 | "tx_ampdu_len:104-127", |
| 1020 | "tx_ampdu_len:128-151", |
| 1021 | "tx_ampdu_len:152-175", |
| 1022 | "tx_ampdu_len:176-199", |
| 1023 | "tx_ampdu_len:200-223", |
| 1024 | "tx_ampdu_len:224-247", |
| 1025 | "ba_miss_count", |
| 1026 | "tx_beamformer_ppdu_iBF", |
| 1027 | "tx_beamformer_ppdu_eBF", |
| 1028 | "tx_beamformer_rx_feedback_all", |
| 1029 | "tx_beamformer_rx_feedback_he", |
| 1030 | "tx_beamformer_rx_feedback_vht", |
| 1031 | "tx_beamformer_rx_feedback_ht", |
| 1032 | "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ |
| 1033 | "tx_beamformer_rx_feedback_nc", |
| 1034 | "tx_beamformer_rx_feedback_nr", |
| 1035 | "tx_beamformee_ok_feedback_pkts", |
| 1036 | "tx_beamformee_feedback_trig", |
| 1037 | "tx_mu_beamforming", |
| 1038 | "tx_mu_mpdu", |
| 1039 | "tx_mu_successful_mpdu", |
| 1040 | "tx_su_successful_mpdu", |
| 1041 | "tx_msdu_pack_1", |
| 1042 | "tx_msdu_pack_2", |
| 1043 | "tx_msdu_pack_3", |
| 1044 | "tx_msdu_pack_4", |
| 1045 | "tx_msdu_pack_5", |
| 1046 | "tx_msdu_pack_6", |
| 1047 | "tx_msdu_pack_7", |
| 1048 | "tx_msdu_pack_8", |
| 1049 | |
| 1050 | /* rx counters */ |
| 1051 | "rx_fifo_full_cnt", |
| 1052 | "rx_mpdu_cnt", |
| 1053 | "channel_idle_cnt", |
| 1054 | "rx_vector_mismatch_cnt", |
| 1055 | "rx_delimiter_fail_cnt", |
| 1056 | "rx_len_mismatch_cnt", |
| 1057 | "rx_ampdu_cnt", |
| 1058 | "rx_ampdu_bytes_cnt", |
| 1059 | "rx_ampdu_valid_subframe_cnt", |
| 1060 | "rx_ampdu_valid_subframe_b_cnt", |
| 1061 | "rx_pfdrop_cnt", |
| 1062 | "rx_vec_queue_overflow_drop_cnt", |
| 1063 | "rx_ba_cnt", |
| 1064 | |
| 1065 | /* per vif counters */ |
| 1066 | "v_tx_mode_cck", |
| 1067 | "v_tx_mode_ofdm", |
| 1068 | "v_tx_mode_ht", |
| 1069 | "v_tx_mode_ht_gf", |
| 1070 | "v_tx_mode_vht", |
| 1071 | "v_tx_mode_he_su", |
| 1072 | "v_tx_mode_he_ext_su", |
| 1073 | "v_tx_mode_he_tb", |
| 1074 | "v_tx_mode_he_mu", |
| 1075 | "v_tx_bw_20", |
| 1076 | "v_tx_bw_40", |
| 1077 | "v_tx_bw_80", |
| 1078 | "v_tx_bw_160", |
| 1079 | "v_tx_mcs_0", |
| 1080 | "v_tx_mcs_1", |
| 1081 | "v_tx_mcs_2", |
| 1082 | "v_tx_mcs_3", |
| 1083 | "v_tx_mcs_4", |
| 1084 | "v_tx_mcs_5", |
| 1085 | "v_tx_mcs_6", |
| 1086 | "v_tx_mcs_7", |
| 1087 | "v_tx_mcs_8", |
| 1088 | "v_tx_mcs_9", |
| 1089 | "v_tx_mcs_10", |
| 1090 | "v_tx_mcs_11", |
| 1091 | }; |
| 1092 | |
| 1093 | #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats) |
| 1094 | |
| 1095 | /* Ethtool related API */ |
| 1096 | static |
| 1097 | void mt7996_get_et_strings(struct ieee80211_hw *hw, |
| 1098 | struct ieee80211_vif *vif, |
| 1099 | u32 sset, u8 *data) |
| 1100 | { |
| 1101 | if (sset == ETH_SS_STATS) |
| 1102 | memcpy(data, *mt7996_gstrings_stats, |
| 1103 | sizeof(mt7996_gstrings_stats)); |
| 1104 | } |
| 1105 | |
| 1106 | static |
| 1107 | int mt7996_get_et_sset_count(struct ieee80211_hw *hw, |
| 1108 | struct ieee80211_vif *vif, int sset) |
| 1109 | { |
| 1110 | if (sset == ETH_SS_STATS) |
| 1111 | return MT7996_SSTATS_LEN; |
| 1112 | |
| 1113 | return 0; |
| 1114 | } |
| 1115 | |
| 1116 | static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) |
| 1117 | { |
| 1118 | struct mt76_ethtool_worker_info *wi = wi_data; |
| 1119 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 1120 | |
| 1121 | if (msta->vif->mt76.idx != wi->idx) |
| 1122 | return; |
| 1123 | |
| 1124 | mt76_ethtool_worker(wi, &msta->stats); |
| 1125 | } |
| 1126 | |
| 1127 | static |
| 1128 | void mt7996_get_et_stats(struct ieee80211_hw *hw, |
| 1129 | struct ieee80211_vif *vif, |
| 1130 | struct ethtool_stats *stats, u64 *data) |
| 1131 | { |
| 1132 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 1133 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 1134 | struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; |
| 1135 | struct mt76_ethtool_worker_info wi = { |
| 1136 | .data = data, |
| 1137 | .idx = mvif->mt76.idx, |
| 1138 | }; |
| 1139 | struct mib_stats *mib = &phy->mib; |
| 1140 | /* See mt7996_ampdu_stat_read_phy, etc */ |
| 1141 | int i, n, ei = 0; |
| 1142 | |
| 1143 | mutex_lock(&dev->mt76.mutex); |
| 1144 | |
| 1145 | mt7996_mac_update_stats(phy); |
| 1146 | |
| 1147 | data[ei++] = mib->tx_ampdu_cnt; |
| 1148 | data[ei++] = mib->tx_stop_q_empty_cnt; |
| 1149 | data[ei++] = mib->tx_mpdu_attempts_cnt; |
| 1150 | data[ei++] = mib->tx_mpdu_success_cnt; |
| 1151 | data[ei++] = mib->tx_rwp_fail_cnt; |
| 1152 | data[ei++] = mib->tx_rwp_need_cnt; |
| 1153 | data[ei++] = mib->tx_bf_ebf_ppdu_cnt; |
| 1154 | data[ei++] = mib->tx_bf_ibf_ppdu_cnt; |
| 1155 | |
| 1156 | /* Tx ampdu stat */ |
| 1157 | n = ARRAY_SIZE(dev->mt76.aggr_stats) / __MT_MAX_BAND * phy->mt76->band_idx; |
| 1158 | for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) |
| 1159 | data[ei++] = dev->mt76.aggr_stats[i + n]; |
| 1160 | |
| 1161 | data[ei++] = phy->mib.ba_miss_cnt; |
| 1162 | |
| 1163 | /* Tx Beamformer monitor */ |
| 1164 | data[ei++] = mib->tx_bf_ibf_ppdu_cnt; |
| 1165 | data[ei++] = mib->tx_bf_ebf_ppdu_cnt; |
| 1166 | |
| 1167 | /* Tx Beamformer Rx feedback monitor */ |
| 1168 | data[ei++] = mib->tx_bf_rx_fb_all_cnt; |
| 1169 | data[ei++] = mib->tx_bf_rx_fb_he_cnt; |
| 1170 | data[ei++] = mib->tx_bf_rx_fb_vht_cnt; |
| 1171 | data[ei++] = mib->tx_bf_rx_fb_ht_cnt; |
| 1172 | |
| 1173 | data[ei++] = mib->tx_bf_rx_fb_bw; |
| 1174 | data[ei++] = mib->tx_bf_rx_fb_nc_cnt; |
| 1175 | data[ei++] = mib->tx_bf_rx_fb_nr_cnt; |
| 1176 | |
| 1177 | /* Tx Beamformee Rx NDPA & Tx feedback report */ |
| 1178 | data[ei++] = mib->tx_bf_fb_cpl_cnt; |
| 1179 | data[ei++] = mib->tx_bf_fb_trig_cnt; |
| 1180 | |
| 1181 | /* Tx SU & MU counters */ |
| 1182 | data[ei++] = mib->tx_mu_bf_cnt; |
| 1183 | data[ei++] = mib->tx_mu_mpdu_cnt; |
| 1184 | data[ei++] = mib->tx_mu_acked_mpdu_cnt; |
| 1185 | data[ei++] = mib->tx_su_acked_mpdu_cnt; |
| 1186 | |
| 1187 | /* Tx amsdu info (pack-count histogram) */ |
| 1188 | for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) |
| 1189 | data[ei++] = mib->tx_amsdu[i]; |
| 1190 | |
| 1191 | /* rx counters */ |
| 1192 | data[ei++] = mib->rx_fifo_full_cnt; |
| 1193 | data[ei++] = mib->rx_mpdu_cnt; |
| 1194 | data[ei++] = mib->channel_idle_cnt; |
| 1195 | data[ei++] = mib->rx_vector_mismatch_cnt; |
| 1196 | data[ei++] = mib->rx_delimiter_fail_cnt; |
| 1197 | data[ei++] = mib->rx_len_mismatch_cnt; |
| 1198 | data[ei++] = mib->rx_ampdu_cnt; |
| 1199 | data[ei++] = mib->rx_ampdu_bytes_cnt; |
| 1200 | data[ei++] = mib->rx_ampdu_valid_subframe_cnt; |
| 1201 | data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; |
| 1202 | data[ei++] = mib->rx_pfdrop_cnt; |
| 1203 | data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; |
| 1204 | data[ei++] = mib->rx_ba_cnt; |
| 1205 | |
| 1206 | /* Add values for all stations owned by this vif */ |
| 1207 | wi.initial_stat_idx = ei; |
| 1208 | ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi); |
| 1209 | |
| 1210 | mutex_unlock(&dev->mt76.mutex); |
| 1211 | |
| 1212 | if (wi.sta_count == 0) |
| 1213 | return; |
| 1214 | |
| 1215 | ei += wi.worker_stat_count; |
| 1216 | if (ei != MT7996_SSTATS_LEN) |
| 1217 | dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d", |
| 1218 | ei, (int)MT7996_SSTATS_LEN); |
| 1219 | } |
| 1220 | |
| 1221 | static void |
| 1222 | mt7996_twt_teardown_request(struct ieee80211_hw *hw, |
| 1223 | struct ieee80211_sta *sta, |
| 1224 | u8 flowid) |
| 1225 | { |
| 1226 | struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; |
| 1227 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 1228 | |
| 1229 | mutex_lock(&dev->mt76.mutex); |
| 1230 | mt7996_mac_twt_teardown_flow(dev, msta, flowid); |
| 1231 | mutex_unlock(&dev->mt76.mutex); |
| 1232 | } |
| 1233 | |
| 1234 | static int |
| 1235 | mt7996_set_radar_background(struct ieee80211_hw *hw, |
| 1236 | struct cfg80211_chan_def *chandef) |
| 1237 | { |
| 1238 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 1239 | struct mt7996_dev *dev = phy->dev; |
| 1240 | int ret = -EINVAL; |
| 1241 | bool running; |
| 1242 | |
| 1243 | mutex_lock(&dev->mt76.mutex); |
| 1244 | |
| 1245 | if (dev->mt76.region == NL80211_DFS_UNSET) |
| 1246 | goto out; |
| 1247 | |
| 1248 | if (dev->rdd2_phy && dev->rdd2_phy != phy) { |
| 1249 | /* rdd2 is already locked */ |
| 1250 | ret = -EBUSY; |
| 1251 | goto out; |
| 1252 | } |
| 1253 | |
| 1254 | /* rdd2 already configured on a radar channel */ |
| 1255 | running = dev->rdd2_phy && |
| 1256 | cfg80211_chandef_valid(&dev->rdd2_chandef) && |
| 1257 | !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); |
| 1258 | |
| 1259 | if (!chandef || running || |
| 1260 | !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { |
| 1261 | ret = mt7996_mcu_rdd_background_enable(phy, NULL); |
| 1262 | if (ret) |
| 1263 | goto out; |
| 1264 | |
| 1265 | if (!running) |
| 1266 | goto update_phy; |
| 1267 | } |
| 1268 | |
| 1269 | ret = mt7996_mcu_rdd_background_enable(phy, chandef); |
| 1270 | if (ret) |
| 1271 | goto out; |
| 1272 | |
| 1273 | update_phy: |
| 1274 | dev->rdd2_phy = chandef ? phy : NULL; |
| 1275 | if (chandef) |
| 1276 | dev->rdd2_chandef = *chandef; |
| 1277 | out: |
| 1278 | mutex_unlock(&dev->mt76.mutex); |
| 1279 | |
| 1280 | return ret; |
| 1281 | } |
| 1282 | |
| 1283 | const struct ieee80211_ops mt7996_ops = { |
| 1284 | .tx = mt7996_tx, |
| 1285 | .start = mt7996_start, |
| 1286 | .stop = mt7996_stop, |
| 1287 | .add_interface = mt7996_add_interface, |
| 1288 | .remove_interface = mt7996_remove_interface, |
| 1289 | .config = mt7996_config, |
| 1290 | .conf_tx = mt7996_conf_tx, |
| 1291 | .configure_filter = mt7996_configure_filter, |
| 1292 | .bss_info_changed = mt7996_bss_info_changed, |
| 1293 | .sta_add = mt7996_sta_add, |
| 1294 | .sta_remove = mt7996_sta_remove, |
| 1295 | .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, |
| 1296 | .sta_rc_update = mt7996_sta_rc_update, |
| 1297 | .set_key = mt7996_set_key, |
| 1298 | .ampdu_action = mt7996_ampdu_action, |
| 1299 | .set_rts_threshold = mt7996_set_rts_threshold, |
| 1300 | .wake_tx_queue = mt76_wake_tx_queue, |
| 1301 | .sw_scan_start = mt76_sw_scan, |
| 1302 | .sw_scan_complete = mt76_sw_scan_complete, |
| 1303 | .release_buffered_frames = mt76_release_buffered_frames, |
| 1304 | .get_txpower = mt76_get_txpower, |
| 1305 | .channel_switch_beacon = mt7996_channel_switch_beacon, |
| 1306 | .get_stats = mt7996_get_stats, |
| 1307 | .get_et_sset_count = mt7996_get_et_sset_count, |
| 1308 | .get_et_stats = mt7996_get_et_stats, |
| 1309 | .get_et_strings = mt7996_get_et_strings, |
| 1310 | .get_tsf = mt7996_get_tsf, |
| 1311 | .set_tsf = mt7996_set_tsf, |
| 1312 | .offset_tsf = mt7996_offset_tsf, |
| 1313 | .get_survey = mt76_get_survey, |
| 1314 | .get_antenna = mt76_get_antenna, |
| 1315 | .set_antenna = mt7996_set_antenna, |
| 1316 | .set_bitrate_mask = mt7996_set_bitrate_mask, |
| 1317 | .set_coverage_class = mt7996_set_coverage_class, |
| 1318 | .sta_statistics = mt7996_sta_statistics, |
| 1319 | .sta_set_4addr = mt7996_sta_set_4addr, |
| 1320 | .sta_set_decap_offload = mt7996_sta_set_decap_offload, |
| 1321 | .add_twt_setup = mt7996_mac_add_twt_setup, |
| 1322 | .twt_teardown_request = mt7996_twt_teardown_request, |
| 1323 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 1324 | .sta_add_debugfs = mt7996_sta_add_debugfs, |
| 1325 | #endif |
| 1326 | .set_radar_background = mt7996_set_radar_background, |
| 1327 | }; |