1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #include "main.h" 6 #include "sec.h" 7 #include "tx.h" 8 #include "fw.h" 9 #include "mac.h" 10 #include "coex.h" 11 #include "ps.h" 12 #include "reg.h" 13 #include "bf.h" 14 #include "debug.h" 15 #include "wow.h" 16 #include "sar.h" 17 18 static void rtw_ops_tx(struct ieee80211_hw *hw, 19 struct ieee80211_tx_control *control, 20 struct sk_buff *skb) 21 { 22 struct rtw_dev *rtwdev = hw->priv; 23 24 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) { 25 ieee80211_free_txskb(hw, skb); 26 return; 27 } 28 29 rtw_tx(rtwdev, control, skb); 30 } 31 32 static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw, 33 struct ieee80211_txq *txq) 34 { 35 struct rtw_dev *rtwdev = hw->priv; 36 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 37 38 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 39 return; 40 41 spin_lock_bh(&rtwdev->txq_lock); 42 if (list_empty(&rtwtxq->list)) 43 list_add_tail(&rtwtxq->list, &rtwdev->txqs); 44 spin_unlock_bh(&rtwdev->txq_lock); 45 46 queue_work(rtwdev->tx_wq, &rtwdev->tx_work); 47 } 48 49 static int rtw_ops_start(struct ieee80211_hw *hw) 50 { 51 struct rtw_dev *rtwdev = hw->priv; 52 int ret; 53 54 mutex_lock(&rtwdev->mutex); 55 ret = rtw_core_start(rtwdev); 56 mutex_unlock(&rtwdev->mutex); 57 58 return ret; 59 } 60 61 static void rtw_ops_stop(struct ieee80211_hw *hw) 62 { 63 struct rtw_dev *rtwdev = hw->priv; 64 65 mutex_lock(&rtwdev->mutex); 66 rtw_core_stop(rtwdev); 67 mutex_unlock(&rtwdev->mutex); 68 } 69 70 static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed) 71 { 72 struct rtw_dev *rtwdev = hw->priv; 73 int ret = 0; 74 75 /* let previous ips work finish to ensure we don't leave ips twice */ 76 cancel_work_sync(&rtwdev->ips_work); 77 78 mutex_lock(&rtwdev->mutex); 79 80 rtw_leave_lps_deep(rtwdev); 81 82 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 83 !(hw->conf.flags & IEEE80211_CONF_IDLE)) { 84 ret = rtw_leave_ips(rtwdev); 85 if (ret) { 86 rtw_err(rtwdev, "failed to leave idle state\n"); 87 goto out; 88 } 89 } 90 91 if (changed & IEEE80211_CONF_CHANGE_PS) { 92 if (hw->conf.flags & IEEE80211_CONF_PS) { 93 rtwdev->ps_enabled = true; 94 } else { 95 rtwdev->ps_enabled = false; 96 rtw_leave_lps(rtwdev); 97 } 98 } 99 100 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 101 rtw_set_channel(rtwdev); 102 103 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 104 (hw->conf.flags & IEEE80211_CONF_IDLE)) 105 rtw_enter_ips(rtwdev); 106 107 out: 108 mutex_unlock(&rtwdev->mutex); 109 return ret; 110 } 111 112 static const struct rtw_vif_port rtw_vif_port[] = { 113 [0] = { 114 .mac_addr = {.addr = 0x0610}, 115 .bssid = {.addr = 0x0618}, 116 .net_type = {.addr = 0x0100, .mask = 0x30000}, 117 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 118 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 119 }, 120 [1] = { 121 .mac_addr = {.addr = 0x0700}, 122 .bssid = {.addr = 0x0708}, 123 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 124 .aid = {.addr = 0x0710, .mask = 0x7ff}, 125 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 126 }, 127 [2] = { 128 .mac_addr = {.addr = 0x1620}, 129 .bssid = {.addr = 0x1628}, 130 .net_type = {.addr = 0x1100, .mask = 0x3}, 131 .aid = {.addr = 0x1600, .mask = 0x7ff}, 132 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 133 }, 134 [3] = { 135 .mac_addr = {.addr = 0x1630}, 136 .bssid = {.addr = 0x1638}, 137 .net_type = {.addr = 0x1100, .mask = 0xc}, 138 .aid = {.addr = 0x1604, .mask = 0x7ff}, 139 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 140 }, 141 [4] = { 142 .mac_addr = {.addr = 0x1640}, 143 .bssid = {.addr = 0x1648}, 144 .net_type = {.addr = 0x1100, .mask = 0x30}, 145 .aid = {.addr = 0x1608, .mask = 0x7ff}, 146 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 147 }, 148 }; 149 150 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 151 struct ieee80211_vif *vif) 152 { 153 struct rtw_dev *rtwdev = hw->priv; 154 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 155 enum rtw_net_type net_type; 156 u32 config = 0; 157 u8 port = 0; 158 u8 bcn_ctrl = 0; 159 160 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 161 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 162 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 163 rtwvif->port = port; 164 rtwvif->stats.tx_unicast = 0; 165 rtwvif->stats.rx_unicast = 0; 166 rtwvif->stats.tx_cnt = 0; 167 rtwvif->stats.rx_cnt = 0; 168 rtwvif->scan_req = NULL; 169 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 170 rtwvif->conf = &rtw_vif_port[port]; 171 rtw_txq_init(rtwdev, vif->txq); 172 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 173 174 mutex_lock(&rtwdev->mutex); 175 176 rtw_leave_lps_deep(rtwdev); 177 178 switch (vif->type) { 179 case NL80211_IFTYPE_AP: 180 case NL80211_IFTYPE_MESH_POINT: 181 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 182 net_type = RTW_NET_AP_MODE; 183 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 184 break; 185 case NL80211_IFTYPE_ADHOC: 186 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 187 net_type = RTW_NET_AD_HOC; 188 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 189 break; 190 case NL80211_IFTYPE_STATION: 191 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 192 net_type = RTW_NET_NO_LINK; 193 bcn_ctrl = BIT_EN_BCN_FUNCTION; 194 break; 195 default: 196 WARN_ON(1); 197 mutex_unlock(&rtwdev->mutex); 198 return -EINVAL; 199 } 200 201 ether_addr_copy(rtwvif->mac_addr, vif->addr); 202 config |= PORT_SET_MAC_ADDR; 203 rtwvif->net_type = net_type; 204 config |= PORT_SET_NET_TYPE; 205 rtwvif->bcn_ctrl = bcn_ctrl; 206 config |= PORT_SET_BCN_CTRL; 207 rtw_vif_port_config(rtwdev, rtwvif, config); 208 209 mutex_unlock(&rtwdev->mutex); 210 211 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 212 return 0; 213 } 214 215 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 216 struct ieee80211_vif *vif) 217 { 218 struct rtw_dev *rtwdev = hw->priv; 219 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 220 u32 config = 0; 221 222 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 223 224 mutex_lock(&rtwdev->mutex); 225 226 rtw_leave_lps_deep(rtwdev); 227 228 rtw_txq_cleanup(rtwdev, vif->txq); 229 rtw_remove_rsvd_page(rtwdev, rtwvif); 230 231 eth_zero_addr(rtwvif->mac_addr); 232 config |= PORT_SET_MAC_ADDR; 233 rtwvif->net_type = RTW_NET_NO_LINK; 234 config |= PORT_SET_NET_TYPE; 235 rtwvif->bcn_ctrl = 0; 236 config |= PORT_SET_BCN_CTRL; 237 rtw_vif_port_config(rtwdev, rtwvif, config); 238 239 mutex_unlock(&rtwdev->mutex); 240 } 241 242 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 243 struct ieee80211_vif *vif, 244 enum nl80211_iftype type, bool p2p) 245 { 246 struct rtw_dev *rtwdev = hw->priv; 247 248 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 249 vif->addr, vif->type, type, vif->p2p, p2p); 250 251 rtw_ops_remove_interface(hw, vif); 252 253 vif->type = type; 254 vif->p2p = p2p; 255 256 return rtw_ops_add_interface(hw, vif); 257 } 258 259 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 260 unsigned int changed_flags, 261 unsigned int *new_flags, 262 u64 multicast) 263 { 264 struct rtw_dev *rtwdev = hw->priv; 265 266 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 267 FIF_BCN_PRBRESP_PROMISC; 268 269 mutex_lock(&rtwdev->mutex); 270 271 rtw_leave_lps_deep(rtwdev); 272 273 if (changed_flags & FIF_ALLMULTI) { 274 if (*new_flags & FIF_ALLMULTI) 275 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 276 else 277 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 278 } 279 if (changed_flags & FIF_FCSFAIL) { 280 if (*new_flags & FIF_FCSFAIL) 281 rtwdev->hal.rcr |= BIT_ACRC32; 282 else 283 rtwdev->hal.rcr &= ~(BIT_ACRC32); 284 } 285 if (changed_flags & FIF_OTHER_BSS) { 286 if (*new_flags & FIF_OTHER_BSS) 287 rtwdev->hal.rcr |= BIT_AAP; 288 else 289 rtwdev->hal.rcr &= ~(BIT_AAP); 290 } 291 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 292 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 293 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 294 else 295 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 296 } 297 298 rtw_dbg(rtwdev, RTW_DBG_RX, 299 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 300 changed_flags, *new_flags, rtwdev->hal.rcr); 301 302 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 303 304 mutex_unlock(&rtwdev->mutex); 305 } 306 307 /* Only have one group of EDCA parameters now */ 308 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 309 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 310 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 311 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 312 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 313 }; 314 315 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 316 struct rtw_vif *rtwvif, u8 aifsn) 317 { 318 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 319 u8 slot_time; 320 u8 sifs; 321 322 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 323 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 324 325 return aifsn * slot_time + sifs; 326 } 327 328 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 329 struct rtw_vif *rtwvif, u16 ac) 330 { 331 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 332 u32 edca_param = ac_to_edca_param[ac]; 333 u8 ecw_max, ecw_min; 334 u8 aifs; 335 336 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 337 ecw_max = ilog2(params->cw_max + 1); 338 ecw_min = ilog2(params->cw_min + 1); 339 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 340 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 341 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 342 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 343 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 344 } 345 346 static void rtw_conf_tx(struct rtw_dev *rtwdev, 347 struct rtw_vif *rtwvif) 348 { 349 u16 ac; 350 351 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 352 __rtw_conf_tx(rtwdev, rtwvif, ac); 353 } 354 355 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 356 struct ieee80211_vif *vif, 357 struct ieee80211_bss_conf *conf, 358 u32 changed) 359 { 360 struct rtw_dev *rtwdev = hw->priv; 361 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 362 struct rtw_coex *coex = &rtwdev->coex; 363 struct rtw_coex_stat *coex_stat = &coex->stat; 364 u32 config = 0; 365 366 mutex_lock(&rtwdev->mutex); 367 368 rtw_leave_lps_deep(rtwdev); 369 370 if (changed & BSS_CHANGED_ASSOC) { 371 rtw_vif_assoc_changed(rtwvif, conf); 372 if (conf->assoc) { 373 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 374 375 rtw_fw_download_rsvd_page(rtwdev); 376 rtw_send_rsvd_page_h2c(rtwdev); 377 rtw_coex_media_status_notify(rtwdev, conf->assoc); 378 if (rtw_bf_support) 379 rtw_bf_assoc(rtwdev, vif, conf); 380 rtw_store_op_chan(rtwdev); 381 } else { 382 rtw_leave_lps(rtwdev); 383 rtw_bf_disassoc(rtwdev, vif, conf); 384 /* Abort ongoing scan if cancel_scan isn't issued 385 * when disconnected by peer 386 */ 387 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 388 rtw_hw_scan_abort(rtwdev, vif); 389 } 390 391 config |= PORT_SET_NET_TYPE; 392 config |= PORT_SET_AID; 393 } 394 395 if (changed & BSS_CHANGED_BSSID) { 396 ether_addr_copy(rtwvif->bssid, conf->bssid); 397 config |= PORT_SET_BSSID; 398 } 399 400 if (changed & BSS_CHANGED_BEACON_INT) { 401 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 402 coex_stat->wl_beacon_interval = conf->beacon_int; 403 } 404 405 if (changed & BSS_CHANGED_BEACON) { 406 rtw_set_dtim_period(rtwdev, conf->dtim_period); 407 rtw_fw_download_rsvd_page(rtwdev); 408 } 409 410 if (changed & BSS_CHANGED_BEACON_ENABLED) { 411 if (conf->enable_beacon) 412 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 413 BIT_EN_BCNQ_DL); 414 else 415 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 416 BIT_EN_BCNQ_DL); 417 } 418 if (changed & BSS_CHANGED_CQM) 419 rtw_fw_beacon_filter_config(rtwdev, true, vif); 420 421 if (changed & BSS_CHANGED_MU_GROUPS) 422 rtw_chip_set_gid_table(rtwdev, vif, conf); 423 424 if (changed & BSS_CHANGED_ERP_SLOT) 425 rtw_conf_tx(rtwdev, rtwvif); 426 427 rtw_vif_port_config(rtwdev, rtwvif, config); 428 429 mutex_unlock(&rtwdev->mutex); 430 } 431 432 static int rtw_ops_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 433 { 434 struct rtw_dev *rtwdev = hw->priv; 435 struct rtw_chip_info *chip = rtwdev->chip; 436 437 mutex_lock(&rtwdev->mutex); 438 chip->ops->phy_calibration(rtwdev); 439 mutex_unlock(&rtwdev->mutex); 440 441 return 0; 442 } 443 444 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 445 struct ieee80211_vif *vif, u16 ac, 446 const struct ieee80211_tx_queue_params *params) 447 { 448 struct rtw_dev *rtwdev = hw->priv; 449 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 450 451 mutex_lock(&rtwdev->mutex); 452 453 rtw_leave_lps_deep(rtwdev); 454 455 rtwvif->tx_params[ac] = *params; 456 __rtw_conf_tx(rtwdev, rtwvif, ac); 457 458 mutex_unlock(&rtwdev->mutex); 459 460 return 0; 461 } 462 463 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 464 struct ieee80211_vif *vif, 465 struct ieee80211_sta *sta) 466 { 467 struct rtw_dev *rtwdev = hw->priv; 468 int ret = 0; 469 470 mutex_lock(&rtwdev->mutex); 471 ret = rtw_sta_add(rtwdev, sta, vif); 472 mutex_unlock(&rtwdev->mutex); 473 474 return ret; 475 } 476 477 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 478 struct ieee80211_vif *vif, 479 struct ieee80211_sta *sta) 480 { 481 struct rtw_dev *rtwdev = hw->priv; 482 483 rtw_fw_beacon_filter_config(rtwdev, false, vif); 484 mutex_lock(&rtwdev->mutex); 485 rtw_sta_remove(rtwdev, sta, true); 486 mutex_unlock(&rtwdev->mutex); 487 488 return 0; 489 } 490 491 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 492 bool set) 493 { 494 struct rtw_dev *rtwdev = hw->priv; 495 496 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 497 498 return 0; 499 } 500 501 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 502 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 503 struct ieee80211_key_conf *key) 504 { 505 struct rtw_dev *rtwdev = hw->priv; 506 struct rtw_sec_desc *sec = &rtwdev->sec; 507 u8 hw_key_type; 508 u8 hw_key_idx; 509 int ret = 0; 510 511 switch (key->cipher) { 512 case WLAN_CIPHER_SUITE_WEP40: 513 hw_key_type = RTW_CAM_WEP40; 514 break; 515 case WLAN_CIPHER_SUITE_WEP104: 516 hw_key_type = RTW_CAM_WEP104; 517 break; 518 case WLAN_CIPHER_SUITE_TKIP: 519 hw_key_type = RTW_CAM_TKIP; 520 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 521 break; 522 case WLAN_CIPHER_SUITE_CCMP: 523 hw_key_type = RTW_CAM_AES; 524 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 525 break; 526 case WLAN_CIPHER_SUITE_AES_CMAC: 527 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 528 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 529 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 530 case WLAN_CIPHER_SUITE_CCMP_256: 531 case WLAN_CIPHER_SUITE_GCMP: 532 case WLAN_CIPHER_SUITE_GCMP_256: 533 /* suppress error messages */ 534 return -EOPNOTSUPP; 535 default: 536 return -ENOTSUPP; 537 } 538 539 mutex_lock(&rtwdev->mutex); 540 541 rtw_leave_lps_deep(rtwdev); 542 543 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 544 hw_key_idx = rtw_sec_get_free_cam(sec); 545 } else { 546 /* multiple interfaces? */ 547 hw_key_idx = key->keyidx; 548 } 549 550 if (hw_key_idx > sec->total_cam_num) { 551 ret = -ENOSPC; 552 goto out; 553 } 554 555 switch (cmd) { 556 case SET_KEY: 557 /* need sw generated IV */ 558 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 559 key->hw_key_idx = hw_key_idx; 560 rtw_sec_write_cam(rtwdev, sec, sta, key, 561 hw_key_type, hw_key_idx); 562 break; 563 case DISABLE_KEY: 564 rtw_hci_flush_all_queues(rtwdev, false); 565 rtw_mac_flush_all_queues(rtwdev, false); 566 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 567 break; 568 } 569 570 /* download new cam settings for PG to backup */ 571 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 572 rtw_fw_download_rsvd_page(rtwdev); 573 574 out: 575 mutex_unlock(&rtwdev->mutex); 576 577 return ret; 578 } 579 580 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 581 struct ieee80211_vif *vif, 582 struct ieee80211_ampdu_params *params) 583 { 584 struct ieee80211_sta *sta = params->sta; 585 u16 tid = params->tid; 586 struct ieee80211_txq *txq = sta->txq[tid]; 587 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 588 589 switch (params->action) { 590 case IEEE80211_AMPDU_TX_START: 591 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 592 case IEEE80211_AMPDU_TX_STOP_CONT: 593 case IEEE80211_AMPDU_TX_STOP_FLUSH: 594 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 595 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 596 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 597 break; 598 case IEEE80211_AMPDU_TX_OPERATIONAL: 599 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 600 break; 601 case IEEE80211_AMPDU_RX_START: 602 case IEEE80211_AMPDU_RX_STOP: 603 break; 604 default: 605 WARN_ON(1); 606 return -ENOTSUPP; 607 } 608 609 return 0; 610 } 611 612 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 613 struct sk_buff *head, 614 struct sk_buff *skb) 615 { 616 struct rtw_dev *rtwdev = hw->priv; 617 struct rtw_hal *hal = &rtwdev->hal; 618 619 /* we don't want to enable TX AMSDU on 2.4G */ 620 if (hal->current_band_type == RTW_BAND_2G) 621 return false; 622 623 return true; 624 } 625 626 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 627 struct ieee80211_vif *vif, 628 const u8 *mac_addr) 629 { 630 struct rtw_dev *rtwdev = hw->priv; 631 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 632 633 mutex_lock(&rtwdev->mutex); 634 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 635 mutex_unlock(&rtwdev->mutex); 636 } 637 638 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 639 struct ieee80211_vif *vif) 640 { 641 struct rtw_dev *rtwdev = hw->priv; 642 643 mutex_lock(&rtwdev->mutex); 644 rtw_core_scan_complete(rtwdev, vif, false); 645 mutex_unlock(&rtwdev->mutex); 646 } 647 648 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 649 struct ieee80211_vif *vif, 650 struct ieee80211_prep_tx_info *info) 651 { 652 struct rtw_dev *rtwdev = hw->priv; 653 654 mutex_lock(&rtwdev->mutex); 655 rtw_leave_lps_deep(rtwdev); 656 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 657 rtw_chip_prepare_tx(rtwdev); 658 mutex_unlock(&rtwdev->mutex); 659 } 660 661 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 662 { 663 struct rtw_dev *rtwdev = hw->priv; 664 665 mutex_lock(&rtwdev->mutex); 666 rtwdev->rts_threshold = value; 667 mutex_unlock(&rtwdev->mutex); 668 669 return 0; 670 } 671 672 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 673 struct ieee80211_vif *vif, 674 struct ieee80211_sta *sta, 675 struct station_info *sinfo) 676 { 677 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 678 679 sinfo->txrate = si->ra_report.txrate; 680 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 681 } 682 683 static void rtw_ops_flush(struct ieee80211_hw *hw, 684 struct ieee80211_vif *vif, 685 u32 queues, bool drop) 686 { 687 struct rtw_dev *rtwdev = hw->priv; 688 689 mutex_lock(&rtwdev->mutex); 690 rtw_leave_lps_deep(rtwdev); 691 692 rtw_hci_flush_queues(rtwdev, queues, drop); 693 rtw_mac_flush_queues(rtwdev, queues, drop); 694 mutex_unlock(&rtwdev->mutex); 695 } 696 697 struct rtw_iter_bitrate_mask_data { 698 struct rtw_dev *rtwdev; 699 struct ieee80211_vif *vif; 700 const struct cfg80211_bitrate_mask *mask; 701 }; 702 703 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 704 { 705 struct rtw_iter_bitrate_mask_data *br_data = data; 706 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 707 708 if (si->vif != br_data->vif) 709 return; 710 711 /* free previous mask setting */ 712 kfree(si->mask); 713 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 714 GFP_ATOMIC); 715 if (!si->mask) { 716 si->use_cfg_mask = false; 717 return; 718 } 719 720 si->use_cfg_mask = true; 721 rtw_update_sta_info(br_data->rtwdev, si, true); 722 } 723 724 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 725 struct ieee80211_vif *vif, 726 const struct cfg80211_bitrate_mask *mask) 727 { 728 struct rtw_iter_bitrate_mask_data br_data; 729 730 br_data.rtwdev = rtwdev; 731 br_data.vif = vif; 732 br_data.mask = mask; 733 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 734 } 735 736 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 737 struct ieee80211_vif *vif, 738 const struct cfg80211_bitrate_mask *mask) 739 { 740 struct rtw_dev *rtwdev = hw->priv; 741 742 rtw_ra_mask_info_update(rtwdev, vif, mask); 743 744 return 0; 745 } 746 747 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 748 u32 tx_antenna, 749 u32 rx_antenna) 750 { 751 struct rtw_dev *rtwdev = hw->priv; 752 struct rtw_chip_info *chip = rtwdev->chip; 753 int ret; 754 755 if (!chip->ops->set_antenna) 756 return -EOPNOTSUPP; 757 758 mutex_lock(&rtwdev->mutex); 759 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 760 mutex_unlock(&rtwdev->mutex); 761 762 return ret; 763 } 764 765 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 766 u32 *tx_antenna, 767 u32 *rx_antenna) 768 { 769 struct rtw_dev *rtwdev = hw->priv; 770 struct rtw_hal *hal = &rtwdev->hal; 771 772 *tx_antenna = hal->antenna_tx; 773 *rx_antenna = hal->antenna_rx; 774 775 return 0; 776 } 777 778 #ifdef CONFIG_PM 779 static int rtw_ops_suspend(struct ieee80211_hw *hw, 780 struct cfg80211_wowlan *wowlan) 781 { 782 struct rtw_dev *rtwdev = hw->priv; 783 int ret; 784 785 mutex_lock(&rtwdev->mutex); 786 ret = rtw_wow_suspend(rtwdev, wowlan); 787 if (ret) 788 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 789 mutex_unlock(&rtwdev->mutex); 790 791 return ret ? 1 : 0; 792 } 793 794 static int rtw_ops_resume(struct ieee80211_hw *hw) 795 { 796 struct rtw_dev *rtwdev = hw->priv; 797 int ret; 798 799 mutex_lock(&rtwdev->mutex); 800 ret = rtw_wow_resume(rtwdev); 801 if (ret) 802 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 803 mutex_unlock(&rtwdev->mutex); 804 805 return ret ? 1 : 0; 806 } 807 808 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 809 { 810 struct rtw_dev *rtwdev = hw->priv; 811 812 device_set_wakeup_enable(rtwdev->dev, enabled); 813 } 814 #endif 815 816 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 817 enum ieee80211_reconfig_type reconfig_type) 818 { 819 struct rtw_dev *rtwdev = hw->priv; 820 821 mutex_lock(&rtwdev->mutex); 822 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 823 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 824 mutex_unlock(&rtwdev->mutex); 825 } 826 827 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 828 struct ieee80211_scan_request *req) 829 { 830 struct rtw_dev *rtwdev = hw->priv; 831 int ret; 832 833 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 834 return 1; 835 836 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 837 return -EBUSY; 838 839 mutex_lock(&rtwdev->mutex); 840 rtw_hw_scan_start(rtwdev, vif, req); 841 ret = rtw_hw_scan_offload(rtwdev, vif, true); 842 if (ret) { 843 rtw_hw_scan_abort(rtwdev, vif); 844 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 845 } 846 mutex_unlock(&rtwdev->mutex); 847 848 return ret; 849 } 850 851 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 852 struct ieee80211_vif *vif) 853 { 854 struct rtw_dev *rtwdev = hw->priv; 855 856 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 857 return; 858 859 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 860 return; 861 862 mutex_lock(&rtwdev->mutex); 863 rtw_hw_scan_abort(rtwdev, vif); 864 mutex_unlock(&rtwdev->mutex); 865 } 866 867 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 868 const struct cfg80211_sar_specs *sar) 869 { 870 struct rtw_dev *rtwdev = hw->priv; 871 872 rtw_set_sar_specs(rtwdev, sar); 873 874 return 0; 875 } 876 877 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 878 struct ieee80211_vif *vif, 879 struct ieee80211_sta *sta, u32 changed) 880 { 881 struct rtw_dev *rtwdev = hw->priv; 882 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 883 884 if (changed & IEEE80211_RC_BW_CHANGED) 885 rtw_update_sta_info(rtwdev, si, true); 886 } 887 888 const struct ieee80211_ops rtw_ops = { 889 .tx = rtw_ops_tx, 890 .wake_tx_queue = rtw_ops_wake_tx_queue, 891 .start = rtw_ops_start, 892 .stop = rtw_ops_stop, 893 .config = rtw_ops_config, 894 .add_interface = rtw_ops_add_interface, 895 .remove_interface = rtw_ops_remove_interface, 896 .change_interface = rtw_ops_change_interface, 897 .configure_filter = rtw_ops_configure_filter, 898 .bss_info_changed = rtw_ops_bss_info_changed, 899 .start_ap = rtw_ops_start_ap, 900 .conf_tx = rtw_ops_conf_tx, 901 .sta_add = rtw_ops_sta_add, 902 .sta_remove = rtw_ops_sta_remove, 903 .set_tim = rtw_ops_set_tim, 904 .set_key = rtw_ops_set_key, 905 .ampdu_action = rtw_ops_ampdu_action, 906 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 907 .sw_scan_start = rtw_ops_sw_scan_start, 908 .sw_scan_complete = rtw_ops_sw_scan_complete, 909 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 910 .set_rts_threshold = rtw_ops_set_rts_threshold, 911 .sta_statistics = rtw_ops_sta_statistics, 912 .flush = rtw_ops_flush, 913 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 914 .set_antenna = rtw_ops_set_antenna, 915 .get_antenna = rtw_ops_get_antenna, 916 .reconfig_complete = rtw_reconfig_complete, 917 .hw_scan = rtw_ops_hw_scan, 918 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 919 .sta_rc_update = rtw_ops_sta_rc_update, 920 .set_sar_specs = rtw_ops_set_sar_specs, 921 #ifdef CONFIG_PM 922 .suspend = rtw_ops_suspend, 923 .resume = rtw_ops_resume, 924 .set_wakeup = rtw_ops_set_wakeup, 925 #endif 926 }; 927 EXPORT_SYMBOL(rtw_ops); 928