developer | b11a539 | 2022-03-31 00:34:47 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: ISC |
| 2 | /* Copyright (C) 2019 MediaTek Inc. |
| 3 | * |
| 4 | * Author: Roy Luo <royluo@google.com> |
| 5 | * Ryder Lee <ryder.lee@mediatek.com> |
| 6 | * Felix Fietkau <nbd@nbd.name> |
| 7 | * Lorenzo Bianconi <lorenzo@kernel.org> |
| 8 | */ |
| 9 | |
| 10 | #include <linux/etherdevice.h> |
| 11 | #include <linux/module.h> |
| 12 | #include "mt7615.h" |
| 13 | #include "mcu.h" |
| 14 | |
| 15 | static bool mt7615_dev_running(struct mt7615_dev *dev) |
| 16 | { |
| 17 | struct mt7615_phy *phy; |
| 18 | |
| 19 | if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) |
| 20 | return true; |
| 21 | |
| 22 | phy = mt7615_ext_phy(dev); |
| 23 | |
| 24 | return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 25 | } |
| 26 | |
| 27 | static int mt7615_start(struct ieee80211_hw *hw) |
| 28 | { |
| 29 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 30 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 31 | unsigned long timeout; |
| 32 | bool running; |
| 33 | int ret; |
| 34 | |
| 35 | if (!mt7615_wait_for_mcu_init(dev)) |
| 36 | return -EIO; |
| 37 | |
| 38 | mt7615_mutex_acquire(dev); |
| 39 | |
| 40 | running = mt7615_dev_running(dev); |
| 41 | |
| 42 | if (!running) { |
| 43 | ret = mt7615_mcu_set_pm(dev, 0, 0); |
| 44 | if (ret) |
| 45 | goto out; |
| 46 | |
| 47 | ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false); |
| 48 | if (ret) |
| 49 | goto out; |
| 50 | |
| 51 | mt7615_mac_enable_nf(dev, 0); |
| 52 | } |
| 53 | |
| 54 | if (phy != &dev->phy) { |
| 55 | ret = mt7615_mcu_set_pm(dev, 1, 0); |
| 56 | if (ret) |
| 57 | goto out; |
| 58 | |
| 59 | ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false); |
| 60 | if (ret) |
| 61 | goto out; |
| 62 | |
| 63 | mt7615_mac_enable_nf(dev, 1); |
| 64 | } |
| 65 | |
| 66 | if (mt7615_firmware_offload(dev)) { |
| 67 | ret = mt76_connac_mcu_set_channel_domain(phy->mt76); |
| 68 | if (ret) |
| 69 | goto out; |
| 70 | |
| 71 | ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); |
| 72 | if (ret) |
| 73 | goto out; |
| 74 | } |
| 75 | |
| 76 | ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); |
| 77 | if (ret) |
| 78 | goto out; |
| 79 | |
| 80 | set_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 81 | |
| 82 | timeout = mt7615_get_macwork_timeout(dev); |
| 83 | ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); |
| 84 | |
| 85 | if (!running) |
| 86 | mt7615_mac_reset_counters(dev); |
| 87 | |
| 88 | out: |
| 89 | mt7615_mutex_release(dev); |
| 90 | |
| 91 | return ret; |
| 92 | } |
| 93 | |
| 94 | static void mt7615_stop(struct ieee80211_hw *hw) |
| 95 | { |
| 96 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 97 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 98 | |
| 99 | cancel_delayed_work_sync(&phy->mt76->mac_work); |
| 100 | del_timer_sync(&phy->roc_timer); |
| 101 | cancel_work_sync(&phy->roc_work); |
| 102 | |
| 103 | cancel_delayed_work_sync(&dev->pm.ps_work); |
| 104 | cancel_work_sync(&dev->pm.wake_work); |
| 105 | |
| 106 | mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); |
| 107 | |
| 108 | mt7615_mutex_acquire(dev); |
| 109 | |
| 110 | mt76_testmode_reset(phy->mt76, true); |
| 111 | |
| 112 | clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 113 | cancel_delayed_work_sync(&phy->scan_work); |
| 114 | |
| 115 | if (phy != &dev->phy) { |
| 116 | mt7615_mcu_set_pm(dev, 1, 1); |
| 117 | mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, false, false); |
| 118 | } |
| 119 | |
| 120 | if (!mt7615_dev_running(dev)) { |
| 121 | mt7615_mcu_set_pm(dev, 0, 1); |
| 122 | mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); |
| 123 | } |
| 124 | |
| 125 | mt7615_mutex_release(dev); |
| 126 | } |
| 127 | |
| 128 | static inline int get_free_idx(u32 mask, u8 start, u8 end) |
| 129 | { |
| 130 | return ffs(~mask & GENMASK(end, start)); |
| 131 | } |
| 132 | |
| 133 | static int get_omac_idx(enum nl80211_iftype type, u64 mask) |
| 134 | { |
| 135 | int i; |
| 136 | |
| 137 | switch (type) { |
| 138 | case NL80211_IFTYPE_STATION: |
| 139 | /* prefer hw bssid slot 1-3 */ |
| 140 | i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); |
| 141 | if (i) |
| 142 | return i - 1; |
| 143 | |
| 144 | /* next, try to find a free repeater entry for the sta */ |
| 145 | i = get_free_idx(mask >> REPEATER_BSSID_START, 0, |
| 146 | REPEATER_BSSID_MAX - REPEATER_BSSID_START); |
| 147 | if (i) |
| 148 | return i + 32 - 1; |
| 149 | |
| 150 | i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); |
| 151 | if (i) |
| 152 | return i - 1; |
| 153 | |
| 154 | if (~mask & BIT(HW_BSSID_0)) |
| 155 | return HW_BSSID_0; |
| 156 | |
| 157 | break; |
| 158 | case NL80211_IFTYPE_ADHOC: |
| 159 | case NL80211_IFTYPE_MESH_POINT: |
| 160 | case NL80211_IFTYPE_MONITOR: |
| 161 | case NL80211_IFTYPE_AP: |
| 162 | /* ap uses hw bssid 0 and ext bssid */ |
| 163 | if (~mask & BIT(HW_BSSID_0)) |
| 164 | return HW_BSSID_0; |
| 165 | |
| 166 | i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); |
| 167 | if (i) |
| 168 | return i - 1; |
| 169 | |
| 170 | break; |
| 171 | default: |
| 172 | WARN_ON(1); |
| 173 | break; |
| 174 | } |
| 175 | |
| 176 | return -1; |
| 177 | } |
| 178 | |
| 179 | static int mt7615_add_interface(struct ieee80211_hw *hw, |
| 180 | struct ieee80211_vif *vif) |
| 181 | { |
| 182 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 183 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 184 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 185 | struct mt76_txq *mtxq; |
| 186 | bool ext_phy = phy != &dev->phy; |
| 187 | int idx, ret = 0; |
| 188 | |
| 189 | mt7615_mutex_acquire(dev); |
| 190 | |
| 191 | mt76_testmode_reset(phy->mt76, true); |
| 192 | |
| 193 | if (vif->type == NL80211_IFTYPE_MONITOR && |
| 194 | is_zero_ether_addr(vif->addr)) |
| 195 | phy->monitor_vif = vif; |
| 196 | |
| 197 | mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); |
| 198 | if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) { |
| 199 | ret = -ENOSPC; |
| 200 | goto out; |
| 201 | } |
| 202 | |
| 203 | idx = get_omac_idx(vif->type, dev->omac_mask); |
| 204 | if (idx < 0) { |
| 205 | ret = -ENOSPC; |
| 206 | goto out; |
| 207 | } |
| 208 | mvif->mt76.omac_idx = idx; |
| 209 | |
| 210 | mvif->mt76.band_idx = ext_phy; |
| 211 | mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP; |
| 212 | if (ext_phy) |
| 213 | mvif->mt76.wmm_idx += 2; |
| 214 | |
| 215 | dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); |
| 216 | dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); |
| 217 | phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); |
| 218 | |
| 219 | ret = mt7615_mcu_set_dbdc(dev); |
| 220 | if (ret) |
| 221 | goto out; |
| 222 | |
| 223 | idx = MT7615_WTBL_RESERVED - mvif->mt76.idx; |
| 224 | |
| 225 | INIT_LIST_HEAD(&mvif->sta.poll_list); |
| 226 | mvif->sta.wcid.idx = idx; |
| 227 | mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; |
| 228 | mvif->sta.wcid.hw_key_idx = -1; |
| 229 | mt76_packet_id_init(&mvif->sta.wcid); |
| 230 | |
| 231 | mt7615_mac_wtbl_update(dev, idx, |
| 232 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 233 | |
| 234 | rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); |
| 235 | if (vif->txq) { |
| 236 | mtxq = (struct mt76_txq *)vif->txq->drv_priv; |
| 237 | mtxq->wcid = idx; |
| 238 | } |
| 239 | |
| 240 | ret = mt7615_mcu_add_dev_info(phy, vif, true); |
| 241 | out: |
| 242 | mt7615_mutex_release(dev); |
| 243 | |
| 244 | return ret; |
| 245 | } |
| 246 | |
| 247 | static void mt7615_remove_interface(struct ieee80211_hw *hw, |
| 248 | struct ieee80211_vif *vif) |
| 249 | { |
| 250 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 251 | struct mt7615_sta *msta = &mvif->sta; |
| 252 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 253 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 254 | int idx = msta->wcid.idx; |
| 255 | |
| 256 | mt7615_mutex_acquire(dev); |
| 257 | |
| 258 | mt7615_mcu_add_bss_info(phy, vif, NULL, false); |
| 259 | mt7615_mcu_sta_add(phy, vif, NULL, false); |
| 260 | |
| 261 | mt76_testmode_reset(phy->mt76, true); |
| 262 | if (vif == phy->monitor_vif) |
| 263 | phy->monitor_vif = NULL; |
| 264 | |
| 265 | mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); |
| 266 | |
| 267 | mt7615_mcu_add_dev_info(phy, vif, false); |
| 268 | |
| 269 | rcu_assign_pointer(dev->mt76.wcid[idx], NULL); |
| 270 | |
| 271 | dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); |
| 272 | dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); |
| 273 | phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); |
| 274 | |
| 275 | mt7615_mutex_release(dev); |
| 276 | |
| 277 | spin_lock_bh(&dev->sta_poll_lock); |
| 278 | if (!list_empty(&msta->poll_list)) |
| 279 | list_del_init(&msta->poll_list); |
| 280 | spin_unlock_bh(&dev->sta_poll_lock); |
| 281 | |
| 282 | mt76_packet_id_flush(&dev->mt76, &mvif->sta.wcid); |
| 283 | } |
| 284 | |
| 285 | static void mt7615_init_dfs_state(struct mt7615_phy *phy) |
| 286 | { |
| 287 | struct mt76_phy *mphy = phy->mt76; |
| 288 | struct ieee80211_hw *hw = mphy->hw; |
| 289 | struct cfg80211_chan_def *chandef = &hw->conf.chandef; |
| 290 | |
| 291 | if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) |
| 292 | return; |
| 293 | |
| 294 | if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR) && |
| 295 | !(mphy->chandef.chan->flags & IEEE80211_CHAN_RADAR)) |
| 296 | return; |
| 297 | |
| 298 | if (mphy->chandef.chan->center_freq == chandef->chan->center_freq && |
| 299 | mphy->chandef.width == chandef->width) |
| 300 | return; |
| 301 | |
| 302 | phy->dfs_state = -1; |
| 303 | } |
| 304 | |
| 305 | int mt7615_set_channel(struct mt7615_phy *phy) |
| 306 | { |
| 307 | struct mt7615_dev *dev = phy->dev; |
| 308 | bool ext_phy = phy != &dev->phy; |
| 309 | int ret; |
| 310 | |
| 311 | cancel_delayed_work_sync(&phy->mt76->mac_work); |
| 312 | |
| 313 | mt7615_mutex_acquire(dev); |
| 314 | |
| 315 | set_bit(MT76_RESET, &phy->mt76->state); |
| 316 | |
| 317 | mt7615_init_dfs_state(phy); |
| 318 | mt76_set_channel(phy->mt76); |
| 319 | |
| 320 | if (is_mt7615(&dev->mt76) && dev->flash_eeprom) { |
| 321 | ret = mt7615_mcu_apply_rx_dcoc(phy); |
| 322 | if (ret) |
| 323 | goto out; |
| 324 | |
| 325 | ret = mt7615_mcu_apply_tx_dpd(phy); |
| 326 | if (ret) |
| 327 | goto out; |
| 328 | } |
| 329 | |
| 330 | ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); |
| 331 | if (ret) |
| 332 | goto out; |
| 333 | |
| 334 | mt7615_mac_set_timing(phy); |
| 335 | ret = mt7615_dfs_init_radar_detector(phy); |
| 336 | if (ret) |
| 337 | goto out; |
| 338 | |
| 339 | mt7615_mac_cca_stats_reset(phy); |
| 340 | ret = mt7615_mcu_set_sku_en(phy, true); |
| 341 | if (ret) |
| 342 | goto out; |
| 343 | |
| 344 | mt7615_mac_reset_counters(dev); |
| 345 | phy->noise = 0; |
| 346 | phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy)); |
| 347 | |
| 348 | out: |
| 349 | clear_bit(MT76_RESET, &phy->mt76->state); |
| 350 | |
| 351 | mt7615_mutex_release(dev); |
| 352 | |
| 353 | mt76_worker_schedule(&dev->mt76.tx_worker); |
| 354 | if (!mt76_testmode_enabled(phy->mt76)) { |
| 355 | unsigned long timeout = mt7615_get_macwork_timeout(dev); |
| 356 | |
| 357 | ieee80211_queue_delayed_work(phy->mt76->hw, |
| 358 | &phy->mt76->mac_work, timeout); |
| 359 | } |
| 360 | |
| 361 | return ret; |
| 362 | } |
| 363 | |
| 364 | static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 365 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| 366 | struct ieee80211_key_conf *key) |
| 367 | { |
| 368 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 369 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 370 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 371 | struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv : |
| 372 | &mvif->sta; |
| 373 | struct mt76_wcid *wcid = &msta->wcid; |
| 374 | int idx = key->keyidx, err = 0; |
| 375 | u8 *wcid_keyidx = &wcid->hw_key_idx; |
| 376 | |
| 377 | /* The hardware does not support per-STA RX GTK, fallback |
| 378 | * to software mode for these. |
| 379 | */ |
| 380 | if ((vif->type == NL80211_IFTYPE_ADHOC || |
| 381 | vif->type == NL80211_IFTYPE_MESH_POINT) && |
| 382 | (key->cipher == WLAN_CIPHER_SUITE_TKIP || |
| 383 | key->cipher == WLAN_CIPHER_SUITE_CCMP) && |
| 384 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) |
| 385 | return -EOPNOTSUPP; |
| 386 | |
| 387 | /* fall back to sw encryption for unsupported ciphers */ |
| 388 | switch (key->cipher) { |
| 389 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 390 | wcid_keyidx = &wcid->hw_key_idx2; |
| 391 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; |
| 392 | break; |
| 393 | case WLAN_CIPHER_SUITE_TKIP: |
| 394 | case WLAN_CIPHER_SUITE_CCMP: |
| 395 | case WLAN_CIPHER_SUITE_CCMP_256: |
| 396 | case WLAN_CIPHER_SUITE_GCMP: |
| 397 | case WLAN_CIPHER_SUITE_GCMP_256: |
| 398 | case WLAN_CIPHER_SUITE_SMS4: |
| 399 | break; |
| 400 | case WLAN_CIPHER_SUITE_WEP40: |
| 401 | case WLAN_CIPHER_SUITE_WEP104: |
| 402 | default: |
| 403 | return -EOPNOTSUPP; |
| 404 | } |
| 405 | |
| 406 | mt7615_mutex_acquire(dev); |
| 407 | |
| 408 | if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { |
| 409 | mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); |
| 410 | mt7615_mcu_add_bss_info(phy, vif, NULL, true); |
| 411 | } |
| 412 | |
| 413 | if (cmd == SET_KEY) |
| 414 | *wcid_keyidx = idx; |
| 415 | else if (idx == *wcid_keyidx) |
| 416 | *wcid_keyidx = -1; |
| 417 | else |
| 418 | goto out; |
| 419 | |
| 420 | mt76_wcid_key_setup(&dev->mt76, wcid, |
| 421 | cmd == SET_KEY ? key : NULL); |
| 422 | |
| 423 | if (mt76_is_mmio(&dev->mt76)) |
| 424 | err = mt7615_mac_wtbl_set_key(dev, wcid, key, cmd); |
| 425 | else |
| 426 | err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd); |
| 427 | |
| 428 | out: |
| 429 | mt7615_mutex_release(dev); |
| 430 | |
| 431 | return err; |
| 432 | } |
| 433 | |
| 434 | static int mt7615_set_sar_specs(struct ieee80211_hw *hw, |
| 435 | const struct cfg80211_sar_specs *sar) |
| 436 | { |
| 437 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 438 | int err; |
| 439 | |
| 440 | if (!cfg80211_chandef_valid(&phy->mt76->chandef)) |
| 441 | return -EINVAL; |
| 442 | |
| 443 | err = mt76_init_sar_power(hw, sar); |
| 444 | if (err) |
| 445 | return err; |
| 446 | |
| 447 | if (mt7615_firmware_offload(phy->dev)) |
| 448 | return mt76_connac_mcu_set_rate_txpower(phy->mt76); |
| 449 | |
| 450 | ieee80211_stop_queues(hw); |
| 451 | err = mt7615_set_channel(phy); |
| 452 | ieee80211_wake_queues(hw); |
| 453 | |
| 454 | return err; |
| 455 | } |
| 456 | |
| 457 | static int mt7615_config(struct ieee80211_hw *hw, u32 changed) |
| 458 | { |
| 459 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 460 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 461 | bool band = phy != &dev->phy; |
| 462 | int ret = 0; |
| 463 | |
| 464 | if (changed & (IEEE80211_CONF_CHANGE_CHANNEL | |
| 465 | IEEE80211_CONF_CHANGE_POWER)) { |
| 466 | #ifdef CONFIG_NL80211_TESTMODE |
| 467 | if (phy->mt76->test.state != MT76_TM_STATE_OFF) { |
| 468 | mt7615_mutex_acquire(dev); |
| 469 | mt76_testmode_reset(phy->mt76, false); |
| 470 | mt7615_mutex_release(dev); |
| 471 | } |
| 472 | #endif |
| 473 | ieee80211_stop_queues(hw); |
| 474 | ret = mt7615_set_channel(phy); |
| 475 | ieee80211_wake_queues(hw); |
| 476 | } |
| 477 | |
| 478 | mt7615_mutex_acquire(dev); |
| 479 | |
| 480 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
| 481 | mt76_testmode_reset(phy->mt76, true); |
| 482 | |
| 483 | if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) |
| 484 | phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; |
| 485 | else |
| 486 | phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; |
| 487 | |
| 488 | mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); |
| 489 | } |
| 490 | |
| 491 | mt7615_mutex_release(dev); |
| 492 | |
| 493 | return ret; |
| 494 | } |
| 495 | |
| 496 | static int |
| 497 | mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, |
| 498 | const struct ieee80211_tx_queue_params *params) |
| 499 | { |
| 500 | struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; |
| 501 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 502 | int err; |
| 503 | |
| 504 | mt7615_mutex_acquire(dev); |
| 505 | |
| 506 | queue = mt7615_lmac_mapping(dev, queue); |
| 507 | queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS; |
| 508 | err = mt7615_mcu_set_wmm(dev, queue, params); |
| 509 | |
| 510 | mt7615_mutex_release(dev); |
| 511 | |
| 512 | return err; |
| 513 | } |
| 514 | |
| 515 | static void mt7615_configure_filter(struct ieee80211_hw *hw, |
| 516 | unsigned int changed_flags, |
| 517 | unsigned int *total_flags, |
| 518 | u64 multicast) |
| 519 | { |
| 520 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 521 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 522 | bool band = phy != &dev->phy; |
| 523 | |
| 524 | u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | |
| 525 | MT_WF_RFCR1_DROP_BF_POLL | |
| 526 | MT_WF_RFCR1_DROP_BA | |
| 527 | MT_WF_RFCR1_DROP_CFEND | |
| 528 | MT_WF_RFCR1_DROP_CFACK; |
| 529 | u32 flags = 0; |
| 530 | |
| 531 | mt7615_mutex_acquire(dev); |
| 532 | |
| 533 | #define MT76_FILTER(_flag, _hw) do { \ |
| 534 | flags |= *total_flags & FIF_##_flag; \ |
| 535 | phy->rxfilter &= ~(_hw); \ |
| 536 | if (!mt76_testmode_enabled(phy->mt76)) \ |
| 537 | phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\ |
| 538 | } while (0) |
| 539 | |
| 540 | phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | |
| 541 | MT_WF_RFCR_DROP_FRAME_REPORT | |
| 542 | MT_WF_RFCR_DROP_PROBEREQ | |
| 543 | MT_WF_RFCR_DROP_MCAST_FILTERED | |
| 544 | MT_WF_RFCR_DROP_MCAST | |
| 545 | MT_WF_RFCR_DROP_BCAST | |
| 546 | MT_WF_RFCR_DROP_DUPLICATE | |
| 547 | MT_WF_RFCR_DROP_A2_BSSID | |
| 548 | MT_WF_RFCR_DROP_UNWANTED_CTL | |
| 549 | MT_WF_RFCR_DROP_STBC_MULTI); |
| 550 | |
| 551 | if (phy->n_beacon_vif || !mt7615_firmware_offload(dev)) |
| 552 | phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON; |
| 553 | |
| 554 | MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | |
| 555 | MT_WF_RFCR_DROP_A3_MAC | |
| 556 | MT_WF_RFCR_DROP_A3_BSSID); |
| 557 | |
| 558 | MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); |
| 559 | |
| 560 | MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | |
| 561 | MT_WF_RFCR_DROP_RTS | |
| 562 | MT_WF_RFCR_DROP_CTL_RSV | |
| 563 | MT_WF_RFCR_DROP_NDPA); |
| 564 | |
| 565 | *total_flags = flags; |
| 566 | mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); |
| 567 | |
| 568 | if (*total_flags & FIF_CONTROL) |
| 569 | mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); |
| 570 | else |
| 571 | mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); |
| 572 | |
| 573 | mt7615_mutex_release(dev); |
| 574 | } |
| 575 | |
| 576 | static void mt7615_bss_info_changed(struct ieee80211_hw *hw, |
| 577 | struct ieee80211_vif *vif, |
| 578 | struct ieee80211_bss_conf *info, |
| 579 | u32 changed) |
| 580 | { |
| 581 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 582 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 583 | |
| 584 | mt7615_mutex_acquire(dev); |
| 585 | |
| 586 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 587 | int slottime = info->use_short_slot ? 9 : 20; |
| 588 | |
| 589 | if (slottime != phy->slottime) { |
| 590 | phy->slottime = slottime; |
| 591 | mt7615_mac_set_timing(phy); |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { |
| 596 | mt7615_mcu_add_bss_info(phy, vif, NULL, true); |
| 597 | mt7615_mcu_sta_add(phy, vif, NULL, true); |
| 598 | |
| 599 | if (mt7615_firmware_offload(dev) && vif->p2p) |
| 600 | mt76_connac_mcu_set_p2p_oppps(hw, vif); |
| 601 | } |
| 602 | |
| 603 | if (changed & (BSS_CHANGED_BEACON | |
| 604 | BSS_CHANGED_BEACON_ENABLED)) |
| 605 | mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon); |
| 606 | |
| 607 | if (changed & BSS_CHANGED_PS) |
| 608 | mt76_connac_mcu_set_vif_ps(&dev->mt76, vif); |
| 609 | |
| 610 | if ((changed & BSS_CHANGED_ARP_FILTER) && |
| 611 | mt7615_firmware_offload(dev)) { |
| 612 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 613 | |
| 614 | mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, |
| 615 | info); |
| 616 | } |
| 617 | |
| 618 | if (changed & BSS_CHANGED_ASSOC) |
| 619 | mt7615_mac_set_beacon_filter(phy, vif, info->assoc); |
| 620 | |
| 621 | mt7615_mutex_release(dev); |
| 622 | } |
| 623 | |
| 624 | static void |
| 625 | mt7615_channel_switch_beacon(struct ieee80211_hw *hw, |
| 626 | struct ieee80211_vif *vif, |
| 627 | struct cfg80211_chan_def *chandef) |
| 628 | { |
| 629 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 630 | |
| 631 | mt7615_mutex_acquire(dev); |
| 632 | mt7615_mcu_add_beacon(dev, hw, vif, true); |
| 633 | mt7615_mutex_release(dev); |
| 634 | } |
| 635 | |
| 636 | int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| 637 | struct ieee80211_sta *sta) |
| 638 | { |
| 639 | struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); |
| 640 | struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; |
| 641 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 642 | struct mt7615_phy *phy; |
| 643 | int idx, err; |
| 644 | |
| 645 | idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1); |
| 646 | if (idx < 0) |
| 647 | return -ENOSPC; |
| 648 | |
| 649 | INIT_LIST_HEAD(&msta->poll_list); |
| 650 | msta->vif = mvif; |
| 651 | msta->wcid.sta = 1; |
| 652 | msta->wcid.idx = idx; |
| 653 | msta->wcid.ext_phy = mvif->mt76.band_idx; |
| 654 | |
| 655 | phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; |
| 656 | err = mt76_connac_pm_wake(phy->mt76, &dev->pm); |
| 657 | if (err) |
| 658 | return err; |
| 659 | |
| 660 | if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { |
| 661 | err = mt7615_mcu_add_bss_info(phy, vif, sta, true); |
| 662 | if (err) |
| 663 | return err; |
| 664 | } |
| 665 | |
| 666 | mt7615_mac_wtbl_update(dev, idx, |
| 667 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 668 | err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true); |
| 669 | if (err) |
| 670 | return err; |
| 671 | |
| 672 | mt76_connac_power_save_sched(phy->mt76, &dev->pm); |
| 673 | |
| 674 | return err; |
| 675 | } |
| 676 | EXPORT_SYMBOL_GPL(mt7615_mac_sta_add); |
| 677 | |
| 678 | void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| 679 | struct ieee80211_sta *sta) |
| 680 | { |
| 681 | struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); |
| 682 | struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; |
| 683 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 684 | struct mt7615_phy *phy; |
| 685 | |
| 686 | mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); |
| 687 | |
| 688 | phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; |
| 689 | mt76_connac_pm_wake(phy->mt76, &dev->pm); |
| 690 | |
| 691 | mt7615_mcu_sta_add(&dev->phy, vif, sta, false); |
| 692 | mt7615_mac_wtbl_update(dev, msta->wcid.idx, |
| 693 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 694 | if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
| 695 | mt7615_mcu_add_bss_info(phy, vif, sta, false); |
| 696 | |
| 697 | spin_lock_bh(&dev->sta_poll_lock); |
| 698 | if (!list_empty(&msta->poll_list)) |
| 699 | list_del_init(&msta->poll_list); |
| 700 | spin_unlock_bh(&dev->sta_poll_lock); |
| 701 | |
| 702 | mt76_connac_power_save_sched(phy->mt76, &dev->pm); |
| 703 | } |
| 704 | EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove); |
| 705 | |
| 706 | static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw, |
| 707 | struct ieee80211_vif *vif, |
| 708 | struct ieee80211_sta *sta) |
| 709 | { |
| 710 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 711 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 712 | struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; |
| 713 | struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates); |
| 714 | int i; |
| 715 | |
| 716 | if (!sta_rates) |
| 717 | return; |
| 718 | |
| 719 | spin_lock_bh(&dev->mt76.lock); |
| 720 | for (i = 0; i < ARRAY_SIZE(msta->rates); i++) { |
| 721 | msta->rates[i].idx = sta_rates->rate[i].idx; |
| 722 | msta->rates[i].count = sta_rates->rate[i].count; |
| 723 | msta->rates[i].flags = sta_rates->rate[i].flags; |
| 724 | |
| 725 | if (msta->rates[i].idx < 0 || !msta->rates[i].count) |
| 726 | break; |
| 727 | } |
| 728 | msta->n_rates = i; |
| 729 | if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) { |
| 730 | mt7615_mac_set_rates(phy, msta, NULL, msta->rates); |
| 731 | mt76_connac_pm_unref(phy->mt76, &dev->pm); |
| 732 | } |
| 733 | spin_unlock_bh(&dev->mt76.lock); |
| 734 | } |
| 735 | |
| 736 | void mt7615_tx_worker(struct mt76_worker *w) |
| 737 | { |
| 738 | struct mt7615_dev *dev = container_of(w, struct mt7615_dev, |
| 739 | mt76.tx_worker); |
| 740 | |
| 741 | if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { |
| 742 | queue_work(dev->mt76.wq, &dev->pm.wake_work); |
| 743 | return; |
| 744 | } |
| 745 | |
| 746 | mt76_tx_worker_run(&dev->mt76); |
| 747 | mt76_connac_pm_unref(&dev->mphy, &dev->pm); |
| 748 | } |
| 749 | |
| 750 | static void mt7615_tx(struct ieee80211_hw *hw, |
| 751 | struct ieee80211_tx_control *control, |
| 752 | struct sk_buff *skb) |
| 753 | { |
| 754 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 755 | struct mt76_phy *mphy = hw->priv; |
| 756 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 757 | struct ieee80211_vif *vif = info->control.vif; |
| 758 | struct mt76_wcid *wcid = &dev->mt76.global_wcid; |
| 759 | struct mt7615_sta *msta = NULL; |
| 760 | int qid; |
| 761 | |
| 762 | if (control->sta) { |
| 763 | msta = (struct mt7615_sta *)control->sta->drv_priv; |
| 764 | wcid = &msta->wcid; |
| 765 | } |
| 766 | |
| 767 | if (vif && !control->sta) { |
| 768 | struct mt7615_vif *mvif; |
| 769 | |
| 770 | mvif = (struct mt7615_vif *)vif->drv_priv; |
| 771 | msta = &mvif->sta; |
| 772 | wcid = &msta->wcid; |
| 773 | } |
| 774 | |
| 775 | if (mt76_connac_pm_ref(mphy, &dev->pm)) { |
| 776 | mt76_tx(mphy, control->sta, wcid, skb); |
| 777 | mt76_connac_pm_unref(mphy, &dev->pm); |
| 778 | return; |
| 779 | } |
| 780 | |
| 781 | qid = skb_get_queue_mapping(skb); |
| 782 | if (qid >= MT_TXQ_PSD) { |
| 783 | qid = IEEE80211_AC_BE; |
| 784 | skb_set_queue_mapping(skb, qid); |
| 785 | } |
| 786 | |
| 787 | mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); |
| 788 | } |
| 789 | |
| 790 | static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val) |
| 791 | { |
| 792 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 793 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 794 | int err, band = phy != &dev->phy; |
| 795 | |
| 796 | mt7615_mutex_acquire(dev); |
| 797 | err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band); |
| 798 | mt7615_mutex_release(dev); |
| 799 | |
| 800 | return err; |
| 801 | } |
| 802 | |
| 803 | static int |
| 804 | mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 805 | struct ieee80211_ampdu_params *params) |
| 806 | { |
| 807 | enum ieee80211_ampdu_mlme_action action = params->action; |
| 808 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 809 | struct ieee80211_sta *sta = params->sta; |
| 810 | struct ieee80211_txq *txq = sta->txq[params->tid]; |
| 811 | struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; |
| 812 | u16 tid = params->tid; |
| 813 | u16 ssn = params->ssn; |
| 814 | struct mt76_txq *mtxq; |
| 815 | int ret = 0; |
| 816 | |
| 817 | if (!txq) |
| 818 | return -EINVAL; |
| 819 | |
| 820 | mtxq = (struct mt76_txq *)txq->drv_priv; |
| 821 | |
| 822 | mt7615_mutex_acquire(dev); |
| 823 | |
| 824 | switch (action) { |
| 825 | case IEEE80211_AMPDU_RX_START: |
| 826 | mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, |
| 827 | params->buf_size); |
| 828 | ret = mt7615_mcu_add_rx_ba(dev, params, true); |
| 829 | break; |
| 830 | case IEEE80211_AMPDU_RX_STOP: |
| 831 | mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); |
| 832 | ret = mt7615_mcu_add_rx_ba(dev, params, false); |
| 833 | break; |
| 834 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 835 | mtxq->aggr = true; |
| 836 | mtxq->send_bar = false; |
| 837 | ret = mt7615_mcu_add_tx_ba(dev, params, true); |
| 838 | ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); |
| 839 | ieee80211_send_bar(vif, sta->addr, tid, |
| 840 | IEEE80211_SN_TO_SEQ(ssn)); |
| 841 | break; |
| 842 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| 843 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| 844 | mtxq->aggr = false; |
| 845 | ret = mt7615_mcu_add_tx_ba(dev, params, false); |
| 846 | break; |
| 847 | case IEEE80211_AMPDU_TX_START: |
| 848 | ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); |
| 849 | params->ssn = ssn; |
| 850 | ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; |
| 851 | break; |
| 852 | case IEEE80211_AMPDU_TX_STOP_CONT: |
| 853 | mtxq->aggr = false; |
| 854 | ret = mt7615_mcu_add_tx_ba(dev, params, false); |
| 855 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| 856 | break; |
| 857 | } |
| 858 | mt7615_mutex_release(dev); |
| 859 | |
| 860 | return ret; |
| 861 | } |
| 862 | |
| 863 | static int |
| 864 | mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 865 | struct ieee80211_sta *sta) |
| 866 | { |
| 867 | return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, |
| 868 | IEEE80211_STA_NONE); |
| 869 | } |
| 870 | |
| 871 | static int |
| 872 | mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 873 | struct ieee80211_sta *sta) |
| 874 | { |
| 875 | return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, |
| 876 | IEEE80211_STA_NOTEXIST); |
| 877 | } |
| 878 | |
| 879 | static int |
| 880 | mt7615_get_stats(struct ieee80211_hw *hw, |
| 881 | struct ieee80211_low_level_stats *stats) |
| 882 | { |
| 883 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 884 | struct mib_stats *mib = &phy->mib; |
| 885 | |
| 886 | mt7615_mutex_acquire(phy->dev); |
| 887 | |
| 888 | stats->dot11RTSSuccessCount = mib->rts_cnt; |
| 889 | stats->dot11RTSFailureCount = mib->rts_retries_cnt; |
| 890 | stats->dot11FCSErrorCount = mib->fcs_err_cnt; |
| 891 | stats->dot11ACKFailureCount = mib->ack_fail_cnt; |
| 892 | |
| 893 | mt7615_mutex_release(phy->dev); |
| 894 | |
| 895 | return 0; |
| 896 | } |
| 897 | |
| 898 | static u64 |
| 899 | mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 900 | { |
| 901 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 902 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 903 | union { |
| 904 | u64 t64; |
| 905 | u32 t32[2]; |
| 906 | } tsf; |
| 907 | u16 idx = mvif->mt76.omac_idx; |
| 908 | u32 reg; |
| 909 | |
| 910 | idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; |
| 911 | reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); |
| 912 | |
| 913 | mt7615_mutex_acquire(dev); |
| 914 | |
| 915 | /* TSF read */ |
| 916 | mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ); |
| 917 | tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0); |
| 918 | tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1); |
| 919 | |
| 920 | mt7615_mutex_release(dev); |
| 921 | |
| 922 | return tsf.t64; |
| 923 | } |
| 924 | |
| 925 | static void |
| 926 | mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 927 | u64 timestamp) |
| 928 | { |
| 929 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 930 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 931 | union { |
| 932 | u64 t64; |
| 933 | u32 t32[2]; |
| 934 | } tsf = { .t64 = timestamp, }; |
| 935 | u16 idx = mvif->mt76.omac_idx; |
| 936 | u32 reg; |
| 937 | |
| 938 | idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; |
| 939 | reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); |
| 940 | |
| 941 | mt7615_mutex_acquire(dev); |
| 942 | |
| 943 | mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); |
| 944 | mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); |
| 945 | /* TSF software overwrite */ |
| 946 | mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE); |
| 947 | |
| 948 | mt7615_mutex_release(dev); |
| 949 | } |
| 950 | |
| 951 | static void |
| 952 | mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 953 | s64 timestamp) |
| 954 | { |
| 955 | struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; |
| 956 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 957 | union { |
| 958 | u64 t64; |
| 959 | u32 t32[2]; |
| 960 | } tsf = { .t64 = timestamp, }; |
| 961 | u16 idx = mvif->mt76.omac_idx; |
| 962 | u32 reg; |
| 963 | |
| 964 | idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; |
| 965 | reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); |
| 966 | |
| 967 | mt7615_mutex_acquire(dev); |
| 968 | |
| 969 | mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); |
| 970 | mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); |
| 971 | /* TSF software adjust*/ |
| 972 | mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST); |
| 973 | |
| 974 | mt7615_mutex_release(dev); |
| 975 | } |
| 976 | |
| 977 | static void |
| 978 | mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) |
| 979 | { |
| 980 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 981 | struct mt7615_dev *dev = phy->dev; |
| 982 | |
| 983 | mt7615_mutex_acquire(dev); |
| 984 | phy->coverage_class = max_t(s16, coverage_class, 0); |
| 985 | mt7615_mac_set_timing(phy); |
| 986 | mt7615_mutex_release(dev); |
| 987 | } |
| 988 | |
| 989 | static int |
| 990 | mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) |
| 991 | { |
| 992 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 993 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 994 | int max_nss = hweight8(hw->wiphy->available_antennas_tx); |
| 995 | bool ext_phy = phy != &dev->phy; |
| 996 | |
| 997 | if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) |
| 998 | return -EINVAL; |
| 999 | |
| 1000 | if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) |
| 1001 | tx_ant = BIT(ffs(tx_ant) - 1) - 1; |
| 1002 | |
| 1003 | mt7615_mutex_acquire(dev); |
| 1004 | |
| 1005 | phy->mt76->antenna_mask = tx_ant; |
| 1006 | if (ext_phy) { |
| 1007 | if (dev->chainmask == 0xf) |
| 1008 | tx_ant <<= 2; |
| 1009 | else |
| 1010 | tx_ant <<= 1; |
| 1011 | } |
| 1012 | phy->mt76->chainmask = tx_ant; |
| 1013 | |
| 1014 | mt76_set_stream_caps(phy->mt76, true); |
| 1015 | |
| 1016 | mt7615_mutex_release(dev); |
| 1017 | |
| 1018 | return 0; |
| 1019 | } |
| 1020 | |
| 1021 | static void mt7615_roc_iter(void *priv, u8 *mac, |
| 1022 | struct ieee80211_vif *vif) |
| 1023 | { |
| 1024 | struct mt7615_phy *phy = priv; |
| 1025 | |
| 1026 | mt7615_mcu_set_roc(phy, vif, NULL, 0); |
| 1027 | } |
| 1028 | |
| 1029 | void mt7615_roc_work(struct work_struct *work) |
| 1030 | { |
| 1031 | struct mt7615_phy *phy; |
| 1032 | |
| 1033 | phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, |
| 1034 | roc_work); |
| 1035 | |
| 1036 | if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) |
| 1037 | return; |
| 1038 | |
| 1039 | mt7615_mutex_acquire(phy->dev); |
| 1040 | ieee80211_iterate_active_interfaces(phy->mt76->hw, |
| 1041 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 1042 | mt7615_roc_iter, phy); |
| 1043 | mt7615_mutex_release(phy->dev); |
| 1044 | ieee80211_remain_on_channel_expired(phy->mt76->hw); |
| 1045 | } |
| 1046 | |
| 1047 | void mt7615_roc_timer(struct timer_list *timer) |
| 1048 | { |
| 1049 | struct mt7615_phy *phy = from_timer(phy, timer, roc_timer); |
| 1050 | |
| 1051 | ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); |
| 1052 | } |
| 1053 | |
| 1054 | void mt7615_scan_work(struct work_struct *work) |
| 1055 | { |
| 1056 | struct mt7615_phy *phy; |
| 1057 | |
| 1058 | phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, |
| 1059 | scan_work.work); |
| 1060 | |
| 1061 | while (true) { |
| 1062 | struct mt7615_mcu_rxd *rxd; |
| 1063 | struct sk_buff *skb; |
| 1064 | |
| 1065 | spin_lock_bh(&phy->dev->mt76.lock); |
| 1066 | skb = __skb_dequeue(&phy->scan_event_list); |
| 1067 | spin_unlock_bh(&phy->dev->mt76.lock); |
| 1068 | |
| 1069 | if (!skb) |
| 1070 | break; |
| 1071 | |
| 1072 | rxd = (struct mt7615_mcu_rxd *)skb->data; |
| 1073 | if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { |
| 1074 | ieee80211_sched_scan_results(phy->mt76->hw); |
| 1075 | } else if (test_and_clear_bit(MT76_HW_SCANNING, |
| 1076 | &phy->mt76->state)) { |
| 1077 | struct cfg80211_scan_info info = { |
| 1078 | .aborted = false, |
| 1079 | }; |
| 1080 | |
| 1081 | ieee80211_scan_completed(phy->mt76->hw, &info); |
| 1082 | } |
| 1083 | dev_kfree_skb(skb); |
| 1084 | } |
| 1085 | } |
| 1086 | |
| 1087 | static int |
| 1088 | mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1089 | struct ieee80211_scan_request *req) |
| 1090 | { |
| 1091 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1092 | struct mt76_phy *mphy = hw->priv; |
| 1093 | int err; |
| 1094 | |
| 1095 | /* fall-back to sw-scan */ |
| 1096 | if (!mt7615_firmware_offload(dev)) |
| 1097 | return 1; |
| 1098 | |
| 1099 | mt7615_mutex_acquire(dev); |
| 1100 | err = mt76_connac_mcu_hw_scan(mphy, vif, req); |
| 1101 | mt7615_mutex_release(dev); |
| 1102 | |
| 1103 | return err; |
| 1104 | } |
| 1105 | |
| 1106 | static void |
| 1107 | mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1108 | { |
| 1109 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1110 | struct mt76_phy *mphy = hw->priv; |
| 1111 | |
| 1112 | mt7615_mutex_acquire(dev); |
| 1113 | mt76_connac_mcu_cancel_hw_scan(mphy, vif); |
| 1114 | mt7615_mutex_release(dev); |
| 1115 | } |
| 1116 | |
| 1117 | static int |
| 1118 | mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1119 | struct cfg80211_sched_scan_request *req, |
| 1120 | struct ieee80211_scan_ies *ies) |
| 1121 | { |
| 1122 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1123 | struct mt76_phy *mphy = hw->priv; |
| 1124 | int err; |
| 1125 | |
| 1126 | if (!mt7615_firmware_offload(dev)) |
| 1127 | return -EOPNOTSUPP; |
| 1128 | |
| 1129 | mt7615_mutex_acquire(dev); |
| 1130 | |
| 1131 | err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); |
| 1132 | if (err < 0) |
| 1133 | goto out; |
| 1134 | |
| 1135 | err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); |
| 1136 | out: |
| 1137 | mt7615_mutex_release(dev); |
| 1138 | |
| 1139 | return err; |
| 1140 | } |
| 1141 | |
| 1142 | static int |
| 1143 | mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1144 | { |
| 1145 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1146 | struct mt76_phy *mphy = hw->priv; |
| 1147 | int err; |
| 1148 | |
| 1149 | if (!mt7615_firmware_offload(dev)) |
| 1150 | return -EOPNOTSUPP; |
| 1151 | |
| 1152 | mt7615_mutex_acquire(dev); |
| 1153 | err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); |
| 1154 | mt7615_mutex_release(dev); |
| 1155 | |
| 1156 | return err; |
| 1157 | } |
| 1158 | |
| 1159 | static int mt7615_remain_on_channel(struct ieee80211_hw *hw, |
| 1160 | struct ieee80211_vif *vif, |
| 1161 | struct ieee80211_channel *chan, |
| 1162 | int duration, |
| 1163 | enum ieee80211_roc_type type) |
| 1164 | { |
| 1165 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 1166 | int err; |
| 1167 | |
| 1168 | if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) |
| 1169 | return 0; |
| 1170 | |
| 1171 | mt7615_mutex_acquire(phy->dev); |
| 1172 | |
| 1173 | err = mt7615_mcu_set_roc(phy, vif, chan, duration); |
| 1174 | if (err < 0) { |
| 1175 | clear_bit(MT76_STATE_ROC, &phy->mt76->state); |
| 1176 | goto out; |
| 1177 | } |
| 1178 | |
| 1179 | if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { |
| 1180 | mt7615_mcu_set_roc(phy, vif, NULL, 0); |
| 1181 | clear_bit(MT76_STATE_ROC, &phy->mt76->state); |
| 1182 | err = -ETIMEDOUT; |
| 1183 | } |
| 1184 | |
| 1185 | out: |
| 1186 | mt7615_mutex_release(phy->dev); |
| 1187 | |
| 1188 | return err; |
| 1189 | } |
| 1190 | |
| 1191 | static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw, |
| 1192 | struct ieee80211_vif *vif) |
| 1193 | { |
| 1194 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 1195 | int err; |
| 1196 | |
| 1197 | if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) |
| 1198 | return 0; |
| 1199 | |
| 1200 | del_timer_sync(&phy->roc_timer); |
| 1201 | cancel_work_sync(&phy->roc_work); |
| 1202 | |
| 1203 | mt7615_mutex_acquire(phy->dev); |
| 1204 | err = mt7615_mcu_set_roc(phy, vif, NULL, 0); |
| 1205 | mt7615_mutex_release(phy->dev); |
| 1206 | |
| 1207 | return err; |
| 1208 | } |
| 1209 | |
| 1210 | static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw, |
| 1211 | struct ieee80211_vif *vif, |
| 1212 | struct ieee80211_sta *sta, |
| 1213 | bool enabled) |
| 1214 | { |
| 1215 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1216 | struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; |
| 1217 | |
| 1218 | if (enabled) |
| 1219 | set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| 1220 | else |
| 1221 | clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| 1222 | |
| 1223 | mt7615_mcu_set_sta_decap_offload(dev, vif, sta); |
| 1224 | } |
| 1225 | |
| 1226 | #ifdef CONFIG_PM |
| 1227 | static int mt7615_suspend(struct ieee80211_hw *hw, |
| 1228 | struct cfg80211_wowlan *wowlan) |
| 1229 | { |
| 1230 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 1231 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1232 | int err = 0; |
| 1233 | |
| 1234 | cancel_delayed_work_sync(&dev->pm.ps_work); |
| 1235 | mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); |
| 1236 | |
| 1237 | mt7615_mutex_acquire(dev); |
| 1238 | |
| 1239 | clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 1240 | cancel_delayed_work_sync(&phy->scan_work); |
| 1241 | cancel_delayed_work_sync(&phy->mt76->mac_work); |
| 1242 | |
| 1243 | set_bit(MT76_STATE_SUSPEND, &phy->mt76->state); |
| 1244 | ieee80211_iterate_active_interfaces(hw, |
| 1245 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 1246 | mt76_connac_mcu_set_suspend_iter, |
| 1247 | phy->mt76); |
| 1248 | |
| 1249 | if (!mt7615_dev_running(dev)) |
| 1250 | err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true); |
| 1251 | |
| 1252 | mt7615_mutex_release(dev); |
| 1253 | |
| 1254 | return err; |
| 1255 | } |
| 1256 | |
| 1257 | static int mt7615_resume(struct ieee80211_hw *hw) |
| 1258 | { |
| 1259 | struct mt7615_phy *phy = mt7615_hw_phy(hw); |
| 1260 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1261 | unsigned long timeout; |
| 1262 | bool running; |
| 1263 | |
| 1264 | mt7615_mutex_acquire(dev); |
| 1265 | |
| 1266 | running = mt7615_dev_running(dev); |
| 1267 | set_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 1268 | |
| 1269 | if (!running) { |
| 1270 | int err; |
| 1271 | |
| 1272 | err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false); |
| 1273 | if (err < 0) { |
| 1274 | mt7615_mutex_release(dev); |
| 1275 | return err; |
| 1276 | } |
| 1277 | } |
| 1278 | |
| 1279 | clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state); |
| 1280 | ieee80211_iterate_active_interfaces(hw, |
| 1281 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 1282 | mt76_connac_mcu_set_suspend_iter, |
| 1283 | phy->mt76); |
| 1284 | |
| 1285 | timeout = mt7615_get_macwork_timeout(dev); |
| 1286 | ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); |
| 1287 | |
| 1288 | mt7615_mutex_release(dev); |
| 1289 | |
| 1290 | return 0; |
| 1291 | } |
| 1292 | |
| 1293 | static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled) |
| 1294 | { |
| 1295 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1296 | struct mt76_dev *mdev = &dev->mt76; |
| 1297 | |
| 1298 | device_set_wakeup_enable(mdev->dev, enabled); |
| 1299 | } |
| 1300 | |
| 1301 | static void mt7615_set_rekey_data(struct ieee80211_hw *hw, |
| 1302 | struct ieee80211_vif *vif, |
| 1303 | struct cfg80211_gtk_rekey_data *data) |
| 1304 | { |
| 1305 | struct mt7615_dev *dev = mt7615_hw_dev(hw); |
| 1306 | |
| 1307 | mt7615_mutex_acquire(dev); |
| 1308 | mt76_connac_mcu_update_gtk_rekey(hw, vif, data); |
| 1309 | mt7615_mutex_release(dev); |
| 1310 | } |
| 1311 | #endif /* CONFIG_PM */ |
| 1312 | |
| 1313 | const struct ieee80211_ops mt7615_ops = { |
| 1314 | .tx = mt7615_tx, |
| 1315 | .start = mt7615_start, |
| 1316 | .stop = mt7615_stop, |
| 1317 | .add_interface = mt7615_add_interface, |
| 1318 | .remove_interface = mt7615_remove_interface, |
| 1319 | .config = mt7615_config, |
| 1320 | .conf_tx = mt7615_conf_tx, |
| 1321 | .configure_filter = mt7615_configure_filter, |
| 1322 | .bss_info_changed = mt7615_bss_info_changed, |
| 1323 | .sta_add = mt7615_sta_add, |
| 1324 | .sta_remove = mt7615_sta_remove, |
| 1325 | .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, |
| 1326 | .set_key = mt7615_set_key, |
| 1327 | .sta_set_decap_offload = mt7615_sta_set_decap_offload, |
| 1328 | .ampdu_action = mt7615_ampdu_action, |
| 1329 | .set_rts_threshold = mt7615_set_rts_threshold, |
| 1330 | .wake_tx_queue = mt76_wake_tx_queue, |
| 1331 | .sta_rate_tbl_update = mt7615_sta_rate_tbl_update, |
| 1332 | .sw_scan_start = mt76_sw_scan, |
| 1333 | .sw_scan_complete = mt76_sw_scan_complete, |
| 1334 | .release_buffered_frames = mt76_release_buffered_frames, |
| 1335 | .get_txpower = mt76_get_txpower, |
| 1336 | .channel_switch_beacon = mt7615_channel_switch_beacon, |
| 1337 | .get_stats = mt7615_get_stats, |
| 1338 | .get_tsf = mt7615_get_tsf, |
| 1339 | .set_tsf = mt7615_set_tsf, |
| 1340 | .offset_tsf = mt7615_offset_tsf, |
| 1341 | .get_survey = mt76_get_survey, |
| 1342 | .get_antenna = mt76_get_antenna, |
| 1343 | .set_antenna = mt7615_set_antenna, |
| 1344 | .set_coverage_class = mt7615_set_coverage_class, |
| 1345 | .hw_scan = mt7615_hw_scan, |
| 1346 | .cancel_hw_scan = mt7615_cancel_hw_scan, |
| 1347 | .sched_scan_start = mt7615_start_sched_scan, |
| 1348 | .sched_scan_stop = mt7615_stop_sched_scan, |
| 1349 | .remain_on_channel = mt7615_remain_on_channel, |
| 1350 | .cancel_remain_on_channel = mt7615_cancel_remain_on_channel, |
| 1351 | CFG80211_TESTMODE_CMD(mt76_testmode_cmd) |
| 1352 | CFG80211_TESTMODE_DUMP(mt76_testmode_dump) |
| 1353 | #ifdef CONFIG_PM |
| 1354 | .suspend = mt7615_suspend, |
| 1355 | .resume = mt7615_resume, |
| 1356 | .set_wakeup = mt7615_set_wakeup, |
| 1357 | .set_rekey_data = mt7615_set_rekey_data, |
| 1358 | #endif /* CONFIG_PM */ |
| 1359 | .set_sar_specs = mt7615_set_sar_specs, |
| 1360 | }; |
| 1361 | EXPORT_SYMBOL_GPL(mt7615_ops); |
| 1362 | |
| 1363 | MODULE_LICENSE("Dual BSD/GPL"); |