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 !test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 106 rtw_enter_ips(rtwdev); 107 108 out: 109 mutex_unlock(&rtwdev->mutex); 110 return ret; 111 } 112 113 static const struct rtw_vif_port rtw_vif_port[] = { 114 [0] = { 115 .mac_addr = {.addr = 0x0610}, 116 .bssid = {.addr = 0x0618}, 117 .net_type = {.addr = 0x0100, .mask = 0x30000}, 118 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 119 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 120 }, 121 [1] = { 122 .mac_addr = {.addr = 0x0700}, 123 .bssid = {.addr = 0x0708}, 124 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 125 .aid = {.addr = 0x0710, .mask = 0x7ff}, 126 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 127 }, 128 [2] = { 129 .mac_addr = {.addr = 0x1620}, 130 .bssid = {.addr = 0x1628}, 131 .net_type = {.addr = 0x1100, .mask = 0x3}, 132 .aid = {.addr = 0x1600, .mask = 0x7ff}, 133 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 134 }, 135 [3] = { 136 .mac_addr = {.addr = 0x1630}, 137 .bssid = {.addr = 0x1638}, 138 .net_type = {.addr = 0x1100, .mask = 0xc}, 139 .aid = {.addr = 0x1604, .mask = 0x7ff}, 140 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 141 }, 142 [4] = { 143 .mac_addr = {.addr = 0x1640}, 144 .bssid = {.addr = 0x1648}, 145 .net_type = {.addr = 0x1100, .mask = 0x30}, 146 .aid = {.addr = 0x1608, .mask = 0x7ff}, 147 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 148 }, 149 }; 150 151 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 152 struct ieee80211_vif *vif) 153 { 154 struct rtw_dev *rtwdev = hw->priv; 155 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 156 enum rtw_net_type net_type; 157 u32 config = 0; 158 u8 port = 0; 159 u8 bcn_ctrl = 0; 160 161 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 162 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 163 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 164 rtwvif->port = port; 165 rtwvif->stats.tx_unicast = 0; 166 rtwvif->stats.rx_unicast = 0; 167 rtwvif->stats.tx_cnt = 0; 168 rtwvif->stats.rx_cnt = 0; 169 rtwvif->scan_req = NULL; 170 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 171 rtwvif->conf = &rtw_vif_port[port]; 172 rtw_txq_init(rtwdev, vif->txq); 173 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 174 175 mutex_lock(&rtwdev->mutex); 176 177 rtw_leave_lps_deep(rtwdev); 178 179 switch (vif->type) { 180 case NL80211_IFTYPE_AP: 181 case NL80211_IFTYPE_MESH_POINT: 182 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 183 net_type = RTW_NET_AP_MODE; 184 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 185 break; 186 case NL80211_IFTYPE_ADHOC: 187 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 188 net_type = RTW_NET_AD_HOC; 189 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 190 break; 191 case NL80211_IFTYPE_STATION: 192 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 193 net_type = RTW_NET_NO_LINK; 194 bcn_ctrl = BIT_EN_BCN_FUNCTION; 195 break; 196 default: 197 WARN_ON(1); 198 mutex_unlock(&rtwdev->mutex); 199 return -EINVAL; 200 } 201 202 ether_addr_copy(rtwvif->mac_addr, vif->addr); 203 config |= PORT_SET_MAC_ADDR; 204 rtwvif->net_type = net_type; 205 config |= PORT_SET_NET_TYPE; 206 rtwvif->bcn_ctrl = bcn_ctrl; 207 config |= PORT_SET_BCN_CTRL; 208 rtw_vif_port_config(rtwdev, rtwvif, config); 209 210 mutex_unlock(&rtwdev->mutex); 211 212 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 213 return 0; 214 } 215 216 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 217 struct ieee80211_vif *vif) 218 { 219 struct rtw_dev *rtwdev = hw->priv; 220 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 221 u32 config = 0; 222 223 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 224 225 mutex_lock(&rtwdev->mutex); 226 227 rtw_leave_lps_deep(rtwdev); 228 229 rtw_txq_cleanup(rtwdev, vif->txq); 230 rtw_remove_rsvd_page(rtwdev, rtwvif); 231 232 eth_zero_addr(rtwvif->mac_addr); 233 config |= PORT_SET_MAC_ADDR; 234 rtwvif->net_type = RTW_NET_NO_LINK; 235 config |= PORT_SET_NET_TYPE; 236 rtwvif->bcn_ctrl = 0; 237 config |= PORT_SET_BCN_CTRL; 238 rtw_vif_port_config(rtwdev, rtwvif, config); 239 240 mutex_unlock(&rtwdev->mutex); 241 } 242 243 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 244 struct ieee80211_vif *vif, 245 enum nl80211_iftype type, bool p2p) 246 { 247 struct rtw_dev *rtwdev = hw->priv; 248 249 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 250 vif->addr, vif->type, type, vif->p2p, p2p); 251 252 rtw_ops_remove_interface(hw, vif); 253 254 vif->type = type; 255 vif->p2p = p2p; 256 257 return rtw_ops_add_interface(hw, vif); 258 } 259 260 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 261 unsigned int changed_flags, 262 unsigned int *new_flags, 263 u64 multicast) 264 { 265 struct rtw_dev *rtwdev = hw->priv; 266 267 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 268 FIF_BCN_PRBRESP_PROMISC; 269 270 mutex_lock(&rtwdev->mutex); 271 272 rtw_leave_lps_deep(rtwdev); 273 274 if (changed_flags & FIF_ALLMULTI) { 275 if (*new_flags & FIF_ALLMULTI) 276 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 277 else 278 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 279 } 280 if (changed_flags & FIF_FCSFAIL) { 281 if (*new_flags & FIF_FCSFAIL) 282 rtwdev->hal.rcr |= BIT_ACRC32; 283 else 284 rtwdev->hal.rcr &= ~(BIT_ACRC32); 285 } 286 if (changed_flags & FIF_OTHER_BSS) { 287 if (*new_flags & FIF_OTHER_BSS) 288 rtwdev->hal.rcr |= BIT_AAP; 289 else 290 rtwdev->hal.rcr &= ~(BIT_AAP); 291 } 292 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 293 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 294 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 295 else 296 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 297 } 298 299 rtw_dbg(rtwdev, RTW_DBG_RX, 300 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 301 changed_flags, *new_flags, rtwdev->hal.rcr); 302 303 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 304 305 mutex_unlock(&rtwdev->mutex); 306 } 307 308 /* Only have one group of EDCA parameters now */ 309 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 310 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 311 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 312 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 313 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 314 }; 315 316 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 317 struct rtw_vif *rtwvif, u8 aifsn) 318 { 319 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 320 u8 slot_time; 321 u8 sifs; 322 323 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 324 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 325 326 return aifsn * slot_time + sifs; 327 } 328 329 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 330 struct rtw_vif *rtwvif, u16 ac) 331 { 332 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 333 u32 edca_param = ac_to_edca_param[ac]; 334 u8 ecw_max, ecw_min; 335 u8 aifs; 336 337 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 338 ecw_max = ilog2(params->cw_max + 1); 339 ecw_min = ilog2(params->cw_min + 1); 340 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 341 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 342 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 343 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 344 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 345 } 346 347 static void rtw_conf_tx(struct rtw_dev *rtwdev, 348 struct rtw_vif *rtwvif) 349 { 350 u16 ac; 351 352 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 353 __rtw_conf_tx(rtwdev, rtwvif, ac); 354 } 355 356 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 357 struct ieee80211_vif *vif, 358 struct ieee80211_bss_conf *conf, 359 u64 changed) 360 { 361 struct rtw_dev *rtwdev = hw->priv; 362 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 363 struct rtw_coex *coex = &rtwdev->coex; 364 struct rtw_coex_stat *coex_stat = &coex->stat; 365 u32 config = 0; 366 367 mutex_lock(&rtwdev->mutex); 368 369 rtw_leave_lps_deep(rtwdev); 370 371 if (changed & BSS_CHANGED_ASSOC) { 372 rtw_vif_assoc_changed(rtwvif, conf); 373 if (vif->cfg.assoc) { 374 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 375 376 rtw_fw_download_rsvd_page(rtwdev); 377 rtw_send_rsvd_page_h2c(rtwdev); 378 rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); 379 if (rtw_bf_support) 380 rtw_bf_assoc(rtwdev, vif, conf); 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 if (is_zero_ether_addr(rtwvif->bssid)) 399 rtw_clear_op_chan(rtwdev); 400 else 401 rtw_store_op_chan(rtwdev, true); 402 } 403 404 if (changed & BSS_CHANGED_BEACON_INT) { 405 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 406 coex_stat->wl_beacon_interval = conf->beacon_int; 407 } 408 409 if (changed & BSS_CHANGED_BEACON) { 410 rtw_set_dtim_period(rtwdev, conf->dtim_period); 411 rtw_fw_download_rsvd_page(rtwdev); 412 } 413 414 if (changed & BSS_CHANGED_BEACON_ENABLED) { 415 if (conf->enable_beacon) 416 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 417 BIT_EN_BCNQ_DL); 418 else 419 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 420 BIT_EN_BCNQ_DL); 421 } 422 if (changed & BSS_CHANGED_CQM) 423 rtw_fw_beacon_filter_config(rtwdev, true, vif); 424 425 if (changed & BSS_CHANGED_MU_GROUPS) 426 rtw_chip_set_gid_table(rtwdev, vif, conf); 427 428 if (changed & BSS_CHANGED_ERP_SLOT) 429 rtw_conf_tx(rtwdev, rtwvif); 430 431 rtw_vif_port_config(rtwdev, rtwvif, config); 432 433 mutex_unlock(&rtwdev->mutex); 434 } 435 436 static int rtw_ops_start_ap(struct ieee80211_hw *hw, 437 struct ieee80211_vif *vif, 438 struct ieee80211_bss_conf *link_conf) 439 { 440 struct rtw_dev *rtwdev = hw->priv; 441 const struct rtw_chip_info *chip = rtwdev->chip; 442 443 mutex_lock(&rtwdev->mutex); 444 chip->ops->phy_calibration(rtwdev); 445 mutex_unlock(&rtwdev->mutex); 446 447 return 0; 448 } 449 450 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 451 struct ieee80211_vif *vif, 452 unsigned int link_id, u16 ac, 453 const struct ieee80211_tx_queue_params *params) 454 { 455 struct rtw_dev *rtwdev = hw->priv; 456 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 457 458 mutex_lock(&rtwdev->mutex); 459 460 rtw_leave_lps_deep(rtwdev); 461 462 rtwvif->tx_params[ac] = *params; 463 __rtw_conf_tx(rtwdev, rtwvif, ac); 464 465 mutex_unlock(&rtwdev->mutex); 466 467 return 0; 468 } 469 470 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 471 struct ieee80211_vif *vif, 472 struct ieee80211_sta *sta) 473 { 474 struct rtw_dev *rtwdev = hw->priv; 475 int ret = 0; 476 477 mutex_lock(&rtwdev->mutex); 478 ret = rtw_sta_add(rtwdev, sta, vif); 479 mutex_unlock(&rtwdev->mutex); 480 481 return ret; 482 } 483 484 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 485 struct ieee80211_vif *vif, 486 struct ieee80211_sta *sta) 487 { 488 struct rtw_dev *rtwdev = hw->priv; 489 490 mutex_lock(&rtwdev->mutex); 491 rtw_fw_beacon_filter_config(rtwdev, false, vif); 492 rtw_sta_remove(rtwdev, sta, true); 493 mutex_unlock(&rtwdev->mutex); 494 495 return 0; 496 } 497 498 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 499 bool set) 500 { 501 struct rtw_dev *rtwdev = hw->priv; 502 503 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 504 505 return 0; 506 } 507 508 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 509 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 510 struct ieee80211_key_conf *key) 511 { 512 struct rtw_dev *rtwdev = hw->priv; 513 struct rtw_sec_desc *sec = &rtwdev->sec; 514 u8 hw_key_type; 515 u8 hw_key_idx; 516 int ret = 0; 517 518 switch (key->cipher) { 519 case WLAN_CIPHER_SUITE_WEP40: 520 hw_key_type = RTW_CAM_WEP40; 521 break; 522 case WLAN_CIPHER_SUITE_WEP104: 523 hw_key_type = RTW_CAM_WEP104; 524 break; 525 case WLAN_CIPHER_SUITE_TKIP: 526 hw_key_type = RTW_CAM_TKIP; 527 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 528 break; 529 case WLAN_CIPHER_SUITE_CCMP: 530 hw_key_type = RTW_CAM_AES; 531 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 532 break; 533 case WLAN_CIPHER_SUITE_AES_CMAC: 534 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 535 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 536 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 537 case WLAN_CIPHER_SUITE_CCMP_256: 538 case WLAN_CIPHER_SUITE_GCMP: 539 case WLAN_CIPHER_SUITE_GCMP_256: 540 /* suppress error messages */ 541 return -EOPNOTSUPP; 542 default: 543 return -ENOTSUPP; 544 } 545 546 mutex_lock(&rtwdev->mutex); 547 548 rtw_leave_lps_deep(rtwdev); 549 550 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 551 hw_key_idx = rtw_sec_get_free_cam(sec); 552 } else { 553 /* multiple interfaces? */ 554 hw_key_idx = key->keyidx; 555 } 556 557 if (hw_key_idx > sec->total_cam_num) { 558 ret = -ENOSPC; 559 goto out; 560 } 561 562 switch (cmd) { 563 case SET_KEY: 564 /* need sw generated IV */ 565 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 566 key->hw_key_idx = hw_key_idx; 567 rtw_sec_write_cam(rtwdev, sec, sta, key, 568 hw_key_type, hw_key_idx); 569 break; 570 case DISABLE_KEY: 571 rtw_hci_flush_all_queues(rtwdev, false); 572 rtw_mac_flush_all_queues(rtwdev, false); 573 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 574 break; 575 } 576 577 /* download new cam settings for PG to backup */ 578 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 579 rtw_fw_download_rsvd_page(rtwdev); 580 581 out: 582 mutex_unlock(&rtwdev->mutex); 583 584 return ret; 585 } 586 587 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 588 struct ieee80211_vif *vif, 589 struct ieee80211_ampdu_params *params) 590 { 591 struct ieee80211_sta *sta = params->sta; 592 u16 tid = params->tid; 593 struct ieee80211_txq *txq = sta->txq[tid]; 594 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 595 596 switch (params->action) { 597 case IEEE80211_AMPDU_TX_START: 598 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 599 case IEEE80211_AMPDU_TX_STOP_CONT: 600 case IEEE80211_AMPDU_TX_STOP_FLUSH: 601 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 602 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 603 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 604 break; 605 case IEEE80211_AMPDU_TX_OPERATIONAL: 606 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 607 break; 608 case IEEE80211_AMPDU_RX_START: 609 case IEEE80211_AMPDU_RX_STOP: 610 break; 611 default: 612 WARN_ON(1); 613 return -ENOTSUPP; 614 } 615 616 return 0; 617 } 618 619 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 620 struct sk_buff *head, 621 struct sk_buff *skb) 622 { 623 struct rtw_dev *rtwdev = hw->priv; 624 struct rtw_hal *hal = &rtwdev->hal; 625 626 /* we don't want to enable TX AMSDU on 2.4G */ 627 if (hal->current_band_type == RTW_BAND_2G) 628 return false; 629 630 return true; 631 } 632 633 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 634 struct ieee80211_vif *vif, 635 const u8 *mac_addr) 636 { 637 struct rtw_dev *rtwdev = hw->priv; 638 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 639 640 mutex_lock(&rtwdev->mutex); 641 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 642 mutex_unlock(&rtwdev->mutex); 643 } 644 645 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 646 struct ieee80211_vif *vif) 647 { 648 struct rtw_dev *rtwdev = hw->priv; 649 650 mutex_lock(&rtwdev->mutex); 651 rtw_core_scan_complete(rtwdev, vif, false); 652 mutex_unlock(&rtwdev->mutex); 653 } 654 655 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 656 struct ieee80211_vif *vif, 657 struct ieee80211_prep_tx_info *info) 658 { 659 struct rtw_dev *rtwdev = hw->priv; 660 661 mutex_lock(&rtwdev->mutex); 662 rtw_leave_lps_deep(rtwdev); 663 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 664 rtw_chip_prepare_tx(rtwdev); 665 mutex_unlock(&rtwdev->mutex); 666 } 667 668 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 669 { 670 struct rtw_dev *rtwdev = hw->priv; 671 672 mutex_lock(&rtwdev->mutex); 673 rtwdev->rts_threshold = value; 674 mutex_unlock(&rtwdev->mutex); 675 676 return 0; 677 } 678 679 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 680 struct ieee80211_vif *vif, 681 struct ieee80211_sta *sta, 682 struct station_info *sinfo) 683 { 684 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 685 686 sinfo->txrate = si->ra_report.txrate; 687 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 688 } 689 690 static void rtw_ops_flush(struct ieee80211_hw *hw, 691 struct ieee80211_vif *vif, 692 u32 queues, bool drop) 693 { 694 struct rtw_dev *rtwdev = hw->priv; 695 696 mutex_lock(&rtwdev->mutex); 697 rtw_leave_lps_deep(rtwdev); 698 699 rtw_hci_flush_queues(rtwdev, queues, drop); 700 rtw_mac_flush_queues(rtwdev, queues, drop); 701 mutex_unlock(&rtwdev->mutex); 702 } 703 704 struct rtw_iter_bitrate_mask_data { 705 struct rtw_dev *rtwdev; 706 struct ieee80211_vif *vif; 707 const struct cfg80211_bitrate_mask *mask; 708 }; 709 710 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 711 { 712 struct rtw_iter_bitrate_mask_data *br_data = data; 713 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 714 715 if (si->vif != br_data->vif) 716 return; 717 718 /* free previous mask setting */ 719 kfree(si->mask); 720 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 721 GFP_ATOMIC); 722 if (!si->mask) { 723 si->use_cfg_mask = false; 724 return; 725 } 726 727 si->use_cfg_mask = true; 728 rtw_update_sta_info(br_data->rtwdev, si, true); 729 } 730 731 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 732 struct ieee80211_vif *vif, 733 const struct cfg80211_bitrate_mask *mask) 734 { 735 struct rtw_iter_bitrate_mask_data br_data; 736 737 br_data.rtwdev = rtwdev; 738 br_data.vif = vif; 739 br_data.mask = mask; 740 rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 741 } 742 743 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 744 struct ieee80211_vif *vif, 745 const struct cfg80211_bitrate_mask *mask) 746 { 747 struct rtw_dev *rtwdev = hw->priv; 748 749 mutex_lock(&rtwdev->mutex); 750 rtw_ra_mask_info_update(rtwdev, vif, mask); 751 mutex_unlock(&rtwdev->mutex); 752 753 return 0; 754 } 755 756 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 757 u32 tx_antenna, 758 u32 rx_antenna) 759 { 760 struct rtw_dev *rtwdev = hw->priv; 761 const struct rtw_chip_info *chip = rtwdev->chip; 762 int ret; 763 764 if (!chip->ops->set_antenna) 765 return -EOPNOTSUPP; 766 767 mutex_lock(&rtwdev->mutex); 768 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 769 mutex_unlock(&rtwdev->mutex); 770 771 return ret; 772 } 773 774 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 775 u32 *tx_antenna, 776 u32 *rx_antenna) 777 { 778 struct rtw_dev *rtwdev = hw->priv; 779 struct rtw_hal *hal = &rtwdev->hal; 780 781 *tx_antenna = hal->antenna_tx; 782 *rx_antenna = hal->antenna_rx; 783 784 return 0; 785 } 786 787 #ifdef CONFIG_PM 788 static int rtw_ops_suspend(struct ieee80211_hw *hw, 789 struct cfg80211_wowlan *wowlan) 790 { 791 struct rtw_dev *rtwdev = hw->priv; 792 int ret; 793 794 mutex_lock(&rtwdev->mutex); 795 ret = rtw_wow_suspend(rtwdev, wowlan); 796 if (ret) 797 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 798 mutex_unlock(&rtwdev->mutex); 799 800 return ret ? 1 : 0; 801 } 802 803 static int rtw_ops_resume(struct ieee80211_hw *hw) 804 { 805 struct rtw_dev *rtwdev = hw->priv; 806 int ret; 807 808 mutex_lock(&rtwdev->mutex); 809 ret = rtw_wow_resume(rtwdev); 810 if (ret) 811 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 812 mutex_unlock(&rtwdev->mutex); 813 814 return ret ? 1 : 0; 815 } 816 817 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 818 { 819 struct rtw_dev *rtwdev = hw->priv; 820 821 device_set_wakeup_enable(rtwdev->dev, enabled); 822 } 823 #endif 824 825 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 826 enum ieee80211_reconfig_type reconfig_type) 827 { 828 struct rtw_dev *rtwdev = hw->priv; 829 830 mutex_lock(&rtwdev->mutex); 831 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 832 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 833 mutex_unlock(&rtwdev->mutex); 834 } 835 836 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 837 struct ieee80211_scan_request *req) 838 { 839 struct rtw_dev *rtwdev = hw->priv; 840 int ret; 841 842 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 843 return 1; 844 845 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 846 return -EBUSY; 847 848 mutex_lock(&rtwdev->mutex); 849 rtw_hw_scan_start(rtwdev, vif, req); 850 ret = rtw_hw_scan_offload(rtwdev, vif, true); 851 if (ret) { 852 rtw_hw_scan_abort(rtwdev, vif); 853 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 854 } 855 mutex_unlock(&rtwdev->mutex); 856 857 return ret; 858 } 859 860 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 861 struct ieee80211_vif *vif) 862 { 863 struct rtw_dev *rtwdev = hw->priv; 864 865 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 866 return; 867 868 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 869 return; 870 871 mutex_lock(&rtwdev->mutex); 872 rtw_hw_scan_abort(rtwdev, vif); 873 mutex_unlock(&rtwdev->mutex); 874 } 875 876 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 877 const struct cfg80211_sar_specs *sar) 878 { 879 struct rtw_dev *rtwdev = hw->priv; 880 881 mutex_lock(&rtwdev->mutex); 882 rtw_set_sar_specs(rtwdev, sar); 883 mutex_unlock(&rtwdev->mutex); 884 885 return 0; 886 } 887 888 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 889 struct ieee80211_vif *vif, 890 struct ieee80211_sta *sta, u32 changed) 891 { 892 struct rtw_dev *rtwdev = hw->priv; 893 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 894 895 if (changed & IEEE80211_RC_BW_CHANGED) 896 rtw_update_sta_info(rtwdev, si, true); 897 } 898 899 const struct ieee80211_ops rtw_ops = { 900 .tx = rtw_ops_tx, 901 .wake_tx_queue = rtw_ops_wake_tx_queue, 902 .start = rtw_ops_start, 903 .stop = rtw_ops_stop, 904 .config = rtw_ops_config, 905 .add_interface = rtw_ops_add_interface, 906 .remove_interface = rtw_ops_remove_interface, 907 .change_interface = rtw_ops_change_interface, 908 .configure_filter = rtw_ops_configure_filter, 909 .bss_info_changed = rtw_ops_bss_info_changed, 910 .start_ap = rtw_ops_start_ap, 911 .conf_tx = rtw_ops_conf_tx, 912 .sta_add = rtw_ops_sta_add, 913 .sta_remove = rtw_ops_sta_remove, 914 .set_tim = rtw_ops_set_tim, 915 .set_key = rtw_ops_set_key, 916 .ampdu_action = rtw_ops_ampdu_action, 917 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 918 .sw_scan_start = rtw_ops_sw_scan_start, 919 .sw_scan_complete = rtw_ops_sw_scan_complete, 920 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 921 .set_rts_threshold = rtw_ops_set_rts_threshold, 922 .sta_statistics = rtw_ops_sta_statistics, 923 .flush = rtw_ops_flush, 924 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 925 .set_antenna = rtw_ops_set_antenna, 926 .get_antenna = rtw_ops_get_antenna, 927 .reconfig_complete = rtw_reconfig_complete, 928 .hw_scan = rtw_ops_hw_scan, 929 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 930 .sta_rc_update = rtw_ops_sta_rc_update, 931 .set_sar_specs = rtw_ops_set_sar_specs, 932 #ifdef CONFIG_PM 933 .suspend = rtw_ops_suspend, 934 .resume = rtw_ops_resume, 935 .set_wakeup = rtw_ops_set_wakeup, 936 #endif 937 }; 938 EXPORT_SYMBOL(rtw_ops); 939