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_CHANNEL) 92 rtw_set_channel(rtwdev); 93 94 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 95 (hw->conf.flags & IEEE80211_CONF_IDLE) && 96 !test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 97 rtw_enter_ips(rtwdev); 98 99 out: 100 mutex_unlock(&rtwdev->mutex); 101 return ret; 102 } 103 104 static const struct rtw_vif_port rtw_vif_port[] = { 105 [0] = { 106 .mac_addr = {.addr = 0x0610}, 107 .bssid = {.addr = 0x0618}, 108 .net_type = {.addr = 0x0100, .mask = 0x30000}, 109 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 110 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 111 }, 112 [1] = { 113 .mac_addr = {.addr = 0x0700}, 114 .bssid = {.addr = 0x0708}, 115 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 116 .aid = {.addr = 0x0710, .mask = 0x7ff}, 117 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 118 }, 119 [2] = { 120 .mac_addr = {.addr = 0x1620}, 121 .bssid = {.addr = 0x1628}, 122 .net_type = {.addr = 0x1100, .mask = 0x3}, 123 .aid = {.addr = 0x1600, .mask = 0x7ff}, 124 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 125 }, 126 [3] = { 127 .mac_addr = {.addr = 0x1630}, 128 .bssid = {.addr = 0x1638}, 129 .net_type = {.addr = 0x1100, .mask = 0xc}, 130 .aid = {.addr = 0x1604, .mask = 0x7ff}, 131 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 132 }, 133 [4] = { 134 .mac_addr = {.addr = 0x1640}, 135 .bssid = {.addr = 0x1648}, 136 .net_type = {.addr = 0x1100, .mask = 0x30}, 137 .aid = {.addr = 0x1608, .mask = 0x7ff}, 138 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 139 }, 140 }; 141 142 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 143 struct ieee80211_vif *vif) 144 { 145 struct rtw_dev *rtwdev = hw->priv; 146 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 147 enum rtw_net_type net_type; 148 u32 config = 0; 149 u8 port; 150 u8 bcn_ctrl = 0; 151 152 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 153 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 154 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 155 rtwvif->stats.tx_unicast = 0; 156 rtwvif->stats.rx_unicast = 0; 157 rtwvif->stats.tx_cnt = 0; 158 rtwvif->stats.rx_cnt = 0; 159 rtwvif->scan_req = NULL; 160 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 161 rtw_txq_init(rtwdev, vif->txq); 162 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 163 164 mutex_lock(&rtwdev->mutex); 165 166 port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM); 167 if (port >= RTW_PORT_NUM) 168 return -EINVAL; 169 set_bit(port, rtwdev->hw_port); 170 171 rtwvif->port = port; 172 rtwvif->conf = &rtw_vif_port[port]; 173 rtw_leave_lps_deep(rtwdev); 174 175 switch (vif->type) { 176 case NL80211_IFTYPE_AP: 177 case NL80211_IFTYPE_MESH_POINT: 178 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 179 net_type = RTW_NET_AP_MODE; 180 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 181 break; 182 case NL80211_IFTYPE_ADHOC: 183 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 184 net_type = RTW_NET_AD_HOC; 185 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 186 break; 187 case NL80211_IFTYPE_STATION: 188 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 189 net_type = RTW_NET_NO_LINK; 190 bcn_ctrl = BIT_EN_BCN_FUNCTION; 191 break; 192 default: 193 WARN_ON(1); 194 clear_bit(rtwvif->port, rtwdev->hw_port); 195 mutex_unlock(&rtwdev->mutex); 196 return -EINVAL; 197 } 198 199 ether_addr_copy(rtwvif->mac_addr, vif->addr); 200 config |= PORT_SET_MAC_ADDR; 201 rtwvif->net_type = net_type; 202 config |= PORT_SET_NET_TYPE; 203 rtwvif->bcn_ctrl = bcn_ctrl; 204 config |= PORT_SET_BCN_CTRL; 205 rtw_vif_port_config(rtwdev, rtwvif, config); 206 rtw_core_port_switch(rtwdev, vif); 207 rtw_recalc_lps(rtwdev, vif); 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 clear_bit(rtwvif->port, rtwdev->hw_port); 239 rtw_recalc_lps(rtwdev, NULL); 240 241 mutex_unlock(&rtwdev->mutex); 242 } 243 244 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 245 struct ieee80211_vif *vif, 246 enum nl80211_iftype type, bool p2p) 247 { 248 struct rtw_dev *rtwdev = hw->priv; 249 250 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 251 vif->addr, vif->type, type, vif->p2p, p2p); 252 253 rtw_ops_remove_interface(hw, vif); 254 255 vif->type = type; 256 vif->p2p = p2p; 257 258 return rtw_ops_add_interface(hw, vif); 259 } 260 261 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 262 unsigned int changed_flags, 263 unsigned int *new_flags, 264 u64 multicast) 265 { 266 struct rtw_dev *rtwdev = hw->priv; 267 268 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 269 FIF_BCN_PRBRESP_PROMISC; 270 271 mutex_lock(&rtwdev->mutex); 272 273 rtw_leave_lps_deep(rtwdev); 274 275 if (changed_flags & FIF_ALLMULTI) { 276 if (*new_flags & FIF_ALLMULTI) 277 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 278 else 279 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 280 } 281 if (changed_flags & FIF_FCSFAIL) { 282 if (*new_flags & FIF_FCSFAIL) 283 rtwdev->hal.rcr |= BIT_ACRC32; 284 else 285 rtwdev->hal.rcr &= ~(BIT_ACRC32); 286 } 287 if (changed_flags & FIF_OTHER_BSS) { 288 if (*new_flags & FIF_OTHER_BSS) 289 rtwdev->hal.rcr |= BIT_AAP; 290 else 291 rtwdev->hal.rcr &= ~(BIT_AAP); 292 } 293 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 294 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 295 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 296 else 297 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 298 } 299 300 rtw_dbg(rtwdev, RTW_DBG_RX, 301 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 302 changed_flags, *new_flags, rtwdev->hal.rcr); 303 304 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 305 306 mutex_unlock(&rtwdev->mutex); 307 } 308 309 /* Only have one group of EDCA parameters now */ 310 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 311 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 312 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 313 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 314 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 315 }; 316 317 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 318 struct rtw_vif *rtwvif, u8 aifsn) 319 { 320 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 321 u8 slot_time; 322 u8 sifs; 323 324 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 325 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 326 327 return aifsn * slot_time + sifs; 328 } 329 330 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 331 struct rtw_vif *rtwvif, u16 ac) 332 { 333 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 334 u32 edca_param = ac_to_edca_param[ac]; 335 u8 ecw_max, ecw_min; 336 u8 aifs; 337 338 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 339 ecw_max = ilog2(params->cw_max + 1); 340 ecw_min = ilog2(params->cw_min + 1); 341 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 342 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 343 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 344 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 345 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 346 } 347 348 static void rtw_conf_tx(struct rtw_dev *rtwdev, 349 struct rtw_vif *rtwvif) 350 { 351 u16 ac; 352 353 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 354 __rtw_conf_tx(rtwdev, rtwvif, ac); 355 } 356 357 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 358 struct ieee80211_vif *vif, 359 struct ieee80211_bss_conf *conf, 360 u64 changed) 361 { 362 struct rtw_dev *rtwdev = hw->priv; 363 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 364 struct rtw_coex *coex = &rtwdev->coex; 365 struct rtw_coex_stat *coex_stat = &coex->stat; 366 u32 config = 0; 367 368 mutex_lock(&rtwdev->mutex); 369 370 rtw_leave_lps_deep(rtwdev); 371 372 if (changed & BSS_CHANGED_ASSOC) { 373 rtw_vif_assoc_changed(rtwvif, conf); 374 if (vif->cfg.assoc) { 375 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 376 377 rtw_fw_download_rsvd_page(rtwdev); 378 rtw_send_rsvd_page_h2c(rtwdev); 379 rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); 380 if (rtw_bf_support) 381 rtw_bf_assoc(rtwdev, vif, conf); 382 } else { 383 rtw_leave_lps(rtwdev); 384 rtw_bf_disassoc(rtwdev, vif, conf); 385 /* Abort ongoing scan if cancel_scan isn't issued 386 * when disconnected by peer 387 */ 388 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 389 rtw_hw_scan_abort(rtwdev); 390 391 } 392 393 config |= PORT_SET_NET_TYPE; 394 config |= PORT_SET_AID; 395 } 396 397 if (changed & BSS_CHANGED_BSSID) { 398 ether_addr_copy(rtwvif->bssid, conf->bssid); 399 config |= PORT_SET_BSSID; 400 if (!rtw_core_check_sta_active(rtwdev)) 401 rtw_clear_op_chan(rtwdev); 402 else 403 rtw_store_op_chan(rtwdev, true); 404 } 405 406 if (changed & BSS_CHANGED_BEACON_INT) { 407 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 408 coex_stat->wl_beacon_interval = conf->beacon_int; 409 } 410 411 if (changed & BSS_CHANGED_BEACON) { 412 rtw_set_dtim_period(rtwdev, conf->dtim_period); 413 rtw_fw_download_rsvd_page(rtwdev); 414 rtw_send_rsvd_page_h2c(rtwdev); 415 } 416 417 if (changed & BSS_CHANGED_BEACON_ENABLED) { 418 if (conf->enable_beacon) 419 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 420 BIT_EN_BCNQ_DL); 421 else 422 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 423 BIT_EN_BCNQ_DL); 424 } 425 if (changed & BSS_CHANGED_CQM) 426 rtw_fw_beacon_filter_config(rtwdev, true, vif); 427 428 if (changed & BSS_CHANGED_MU_GROUPS) 429 rtw_chip_set_gid_table(rtwdev, vif, conf); 430 431 if (changed & BSS_CHANGED_ERP_SLOT) 432 rtw_conf_tx(rtwdev, rtwvif); 433 434 if (changed & BSS_CHANGED_PS) 435 rtw_recalc_lps(rtwdev, NULL); 436 437 rtw_vif_port_config(rtwdev, rtwvif, config); 438 439 mutex_unlock(&rtwdev->mutex); 440 } 441 442 static int rtw_ops_start_ap(struct ieee80211_hw *hw, 443 struct ieee80211_vif *vif, 444 struct ieee80211_bss_conf *link_conf) 445 { 446 struct rtw_dev *rtwdev = hw->priv; 447 const struct rtw_chip_info *chip = rtwdev->chip; 448 449 mutex_lock(&rtwdev->mutex); 450 rtwdev->ap_active = true; 451 rtw_store_op_chan(rtwdev, true); 452 chip->ops->phy_calibration(rtwdev); 453 mutex_unlock(&rtwdev->mutex); 454 455 return 0; 456 } 457 458 static void rtw_ops_stop_ap(struct ieee80211_hw *hw, 459 struct ieee80211_vif *vif, 460 struct ieee80211_bss_conf *link_conf) 461 { 462 struct rtw_dev *rtwdev = hw->priv; 463 464 mutex_lock(&rtwdev->mutex); 465 rtwdev->ap_active = false; 466 if (!rtw_core_check_sta_active(rtwdev)) 467 rtw_clear_op_chan(rtwdev); 468 mutex_unlock(&rtwdev->mutex); 469 } 470 471 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 472 struct ieee80211_vif *vif, 473 unsigned int link_id, u16 ac, 474 const struct ieee80211_tx_queue_params *params) 475 { 476 struct rtw_dev *rtwdev = hw->priv; 477 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 478 479 mutex_lock(&rtwdev->mutex); 480 481 rtw_leave_lps_deep(rtwdev); 482 483 rtwvif->tx_params[ac] = *params; 484 __rtw_conf_tx(rtwdev, rtwvif, ac); 485 486 mutex_unlock(&rtwdev->mutex); 487 488 return 0; 489 } 490 491 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 492 struct ieee80211_vif *vif, 493 struct ieee80211_sta *sta) 494 { 495 struct rtw_dev *rtwdev = hw->priv; 496 int ret = 0; 497 498 mutex_lock(&rtwdev->mutex); 499 ret = rtw_sta_add(rtwdev, sta, vif); 500 mutex_unlock(&rtwdev->mutex); 501 502 return ret; 503 } 504 505 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 506 struct ieee80211_vif *vif, 507 struct ieee80211_sta *sta) 508 { 509 struct rtw_dev *rtwdev = hw->priv; 510 511 mutex_lock(&rtwdev->mutex); 512 rtw_fw_beacon_filter_config(rtwdev, false, vif); 513 rtw_sta_remove(rtwdev, sta, true); 514 mutex_unlock(&rtwdev->mutex); 515 516 return 0; 517 } 518 519 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 520 bool set) 521 { 522 struct rtw_dev *rtwdev = hw->priv; 523 524 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 525 526 return 0; 527 } 528 529 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 530 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 531 struct ieee80211_key_conf *key) 532 { 533 struct rtw_dev *rtwdev = hw->priv; 534 struct rtw_sec_desc *sec = &rtwdev->sec; 535 u8 hw_key_type; 536 u8 hw_key_idx; 537 int ret = 0; 538 539 switch (key->cipher) { 540 case WLAN_CIPHER_SUITE_WEP40: 541 hw_key_type = RTW_CAM_WEP40; 542 break; 543 case WLAN_CIPHER_SUITE_WEP104: 544 hw_key_type = RTW_CAM_WEP104; 545 break; 546 case WLAN_CIPHER_SUITE_TKIP: 547 hw_key_type = RTW_CAM_TKIP; 548 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 549 break; 550 case WLAN_CIPHER_SUITE_CCMP: 551 hw_key_type = RTW_CAM_AES; 552 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 553 break; 554 case WLAN_CIPHER_SUITE_AES_CMAC: 555 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 556 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 557 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 558 case WLAN_CIPHER_SUITE_CCMP_256: 559 case WLAN_CIPHER_SUITE_GCMP: 560 case WLAN_CIPHER_SUITE_GCMP_256: 561 /* suppress error messages */ 562 return -EOPNOTSUPP; 563 default: 564 return -ENOTSUPP; 565 } 566 567 mutex_lock(&rtwdev->mutex); 568 569 rtw_leave_lps_deep(rtwdev); 570 571 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 572 hw_key_idx = rtw_sec_get_free_cam(sec); 573 } else { 574 /* multiple interfaces? */ 575 hw_key_idx = key->keyidx; 576 } 577 578 if (hw_key_idx > sec->total_cam_num) { 579 ret = -ENOSPC; 580 goto out; 581 } 582 583 switch (cmd) { 584 case SET_KEY: 585 /* need sw generated IV */ 586 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 587 key->hw_key_idx = hw_key_idx; 588 rtw_sec_write_cam(rtwdev, sec, sta, key, 589 hw_key_type, hw_key_idx); 590 break; 591 case DISABLE_KEY: 592 rtw_hci_flush_all_queues(rtwdev, false); 593 rtw_mac_flush_all_queues(rtwdev, false); 594 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 595 break; 596 } 597 598 /* download new cam settings for PG to backup */ 599 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 600 rtw_fw_download_rsvd_page(rtwdev); 601 602 out: 603 mutex_unlock(&rtwdev->mutex); 604 605 return ret; 606 } 607 608 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 609 struct ieee80211_vif *vif, 610 struct ieee80211_ampdu_params *params) 611 { 612 struct ieee80211_sta *sta = params->sta; 613 u16 tid = params->tid; 614 struct ieee80211_txq *txq = sta->txq[tid]; 615 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 616 617 switch (params->action) { 618 case IEEE80211_AMPDU_TX_START: 619 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 620 case IEEE80211_AMPDU_TX_STOP_CONT: 621 case IEEE80211_AMPDU_TX_STOP_FLUSH: 622 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 623 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 624 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 625 break; 626 case IEEE80211_AMPDU_TX_OPERATIONAL: 627 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 628 break; 629 case IEEE80211_AMPDU_RX_START: 630 case IEEE80211_AMPDU_RX_STOP: 631 break; 632 default: 633 WARN_ON(1); 634 return -ENOTSUPP; 635 } 636 637 return 0; 638 } 639 640 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 641 struct sk_buff *head, 642 struct sk_buff *skb) 643 { 644 struct rtw_dev *rtwdev = hw->priv; 645 struct rtw_hal *hal = &rtwdev->hal; 646 647 /* we don't want to enable TX AMSDU on 2.4G */ 648 if (hal->current_band_type == RTW_BAND_2G) 649 return false; 650 651 return true; 652 } 653 654 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 655 struct ieee80211_vif *vif, 656 const u8 *mac_addr) 657 { 658 struct rtw_dev *rtwdev = hw->priv; 659 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 660 661 mutex_lock(&rtwdev->mutex); 662 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 663 mutex_unlock(&rtwdev->mutex); 664 } 665 666 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 667 struct ieee80211_vif *vif) 668 { 669 struct rtw_dev *rtwdev = hw->priv; 670 671 mutex_lock(&rtwdev->mutex); 672 rtw_core_scan_complete(rtwdev, vif, false); 673 mutex_unlock(&rtwdev->mutex); 674 } 675 676 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 677 struct ieee80211_vif *vif, 678 struct ieee80211_prep_tx_info *info) 679 { 680 struct rtw_dev *rtwdev = hw->priv; 681 682 mutex_lock(&rtwdev->mutex); 683 rtw_leave_lps_deep(rtwdev); 684 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 685 rtw_chip_prepare_tx(rtwdev); 686 mutex_unlock(&rtwdev->mutex); 687 } 688 689 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 690 { 691 struct rtw_dev *rtwdev = hw->priv; 692 693 mutex_lock(&rtwdev->mutex); 694 rtwdev->rts_threshold = value; 695 mutex_unlock(&rtwdev->mutex); 696 697 return 0; 698 } 699 700 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 701 struct ieee80211_vif *vif, 702 struct ieee80211_sta *sta, 703 struct station_info *sinfo) 704 { 705 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 706 707 sinfo->txrate = si->ra_report.txrate; 708 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 709 } 710 711 static void rtw_ops_flush(struct ieee80211_hw *hw, 712 struct ieee80211_vif *vif, 713 u32 queues, bool drop) 714 { 715 struct rtw_dev *rtwdev = hw->priv; 716 717 mutex_lock(&rtwdev->mutex); 718 rtw_leave_lps_deep(rtwdev); 719 720 rtw_hci_flush_queues(rtwdev, queues, drop); 721 rtw_mac_flush_queues(rtwdev, queues, drop); 722 mutex_unlock(&rtwdev->mutex); 723 } 724 725 struct rtw_iter_bitrate_mask_data { 726 struct rtw_dev *rtwdev; 727 struct ieee80211_vif *vif; 728 const struct cfg80211_bitrate_mask *mask; 729 }; 730 731 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 732 { 733 struct rtw_iter_bitrate_mask_data *br_data = data; 734 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 735 736 if (si->vif != br_data->vif) 737 return; 738 739 /* free previous mask setting */ 740 kfree(si->mask); 741 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 742 GFP_ATOMIC); 743 if (!si->mask) { 744 si->use_cfg_mask = false; 745 return; 746 } 747 748 si->use_cfg_mask = true; 749 rtw_update_sta_info(br_data->rtwdev, si, true); 750 } 751 752 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 753 struct ieee80211_vif *vif, 754 const struct cfg80211_bitrate_mask *mask) 755 { 756 struct rtw_iter_bitrate_mask_data br_data; 757 758 br_data.rtwdev = rtwdev; 759 br_data.vif = vif; 760 br_data.mask = mask; 761 rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 762 } 763 764 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 765 struct ieee80211_vif *vif, 766 const struct cfg80211_bitrate_mask *mask) 767 { 768 struct rtw_dev *rtwdev = hw->priv; 769 770 mutex_lock(&rtwdev->mutex); 771 rtw_ra_mask_info_update(rtwdev, vif, mask); 772 mutex_unlock(&rtwdev->mutex); 773 774 return 0; 775 } 776 777 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 778 u32 tx_antenna, 779 u32 rx_antenna) 780 { 781 struct rtw_dev *rtwdev = hw->priv; 782 const struct rtw_chip_info *chip = rtwdev->chip; 783 int ret; 784 785 if (!chip->ops->set_antenna) 786 return -EOPNOTSUPP; 787 788 mutex_lock(&rtwdev->mutex); 789 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 790 mutex_unlock(&rtwdev->mutex); 791 792 return ret; 793 } 794 795 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 796 u32 *tx_antenna, 797 u32 *rx_antenna) 798 { 799 struct rtw_dev *rtwdev = hw->priv; 800 struct rtw_hal *hal = &rtwdev->hal; 801 802 *tx_antenna = hal->antenna_tx; 803 *rx_antenna = hal->antenna_rx; 804 805 return 0; 806 } 807 808 #ifdef CONFIG_PM 809 static int rtw_ops_suspend(struct ieee80211_hw *hw, 810 struct cfg80211_wowlan *wowlan) 811 { 812 struct rtw_dev *rtwdev = hw->priv; 813 int ret; 814 815 mutex_lock(&rtwdev->mutex); 816 ret = rtw_wow_suspend(rtwdev, wowlan); 817 if (ret) 818 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 819 mutex_unlock(&rtwdev->mutex); 820 821 return ret ? 1 : 0; 822 } 823 824 static int rtw_ops_resume(struct ieee80211_hw *hw) 825 { 826 struct rtw_dev *rtwdev = hw->priv; 827 int ret; 828 829 mutex_lock(&rtwdev->mutex); 830 ret = rtw_wow_resume(rtwdev); 831 if (ret) 832 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 833 mutex_unlock(&rtwdev->mutex); 834 835 return ret ? 1 : 0; 836 } 837 838 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 839 { 840 struct rtw_dev *rtwdev = hw->priv; 841 842 device_set_wakeup_enable(rtwdev->dev, enabled); 843 } 844 #endif 845 846 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 847 enum ieee80211_reconfig_type reconfig_type) 848 { 849 struct rtw_dev *rtwdev = hw->priv; 850 851 mutex_lock(&rtwdev->mutex); 852 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 853 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 854 mutex_unlock(&rtwdev->mutex); 855 } 856 857 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 858 struct ieee80211_scan_request *req) 859 { 860 struct rtw_dev *rtwdev = hw->priv; 861 int ret; 862 863 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 864 return 1; 865 866 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 867 return -EBUSY; 868 869 mutex_lock(&rtwdev->mutex); 870 rtw_hw_scan_start(rtwdev, vif, req); 871 ret = rtw_hw_scan_offload(rtwdev, vif, true); 872 if (ret) { 873 rtw_hw_scan_abort(rtwdev); 874 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 875 } 876 mutex_unlock(&rtwdev->mutex); 877 878 return ret; 879 } 880 881 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 882 struct ieee80211_vif *vif) 883 { 884 struct rtw_dev *rtwdev = hw->priv; 885 886 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 887 return; 888 889 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 890 return; 891 892 mutex_lock(&rtwdev->mutex); 893 rtw_hw_scan_abort(rtwdev); 894 mutex_unlock(&rtwdev->mutex); 895 } 896 897 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 898 const struct cfg80211_sar_specs *sar) 899 { 900 struct rtw_dev *rtwdev = hw->priv; 901 902 mutex_lock(&rtwdev->mutex); 903 rtw_set_sar_specs(rtwdev, sar); 904 mutex_unlock(&rtwdev->mutex); 905 906 return 0; 907 } 908 909 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 910 struct ieee80211_vif *vif, 911 struct ieee80211_sta *sta, u32 changed) 912 { 913 struct rtw_dev *rtwdev = hw->priv; 914 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 915 916 if (changed & IEEE80211_RC_BW_CHANGED) 917 ieee80211_queue_work(rtwdev->hw, &si->rc_work); 918 } 919 920 const struct ieee80211_ops rtw_ops = { 921 .tx = rtw_ops_tx, 922 .wake_tx_queue = rtw_ops_wake_tx_queue, 923 .start = rtw_ops_start, 924 .stop = rtw_ops_stop, 925 .config = rtw_ops_config, 926 .add_interface = rtw_ops_add_interface, 927 .remove_interface = rtw_ops_remove_interface, 928 .change_interface = rtw_ops_change_interface, 929 .configure_filter = rtw_ops_configure_filter, 930 .bss_info_changed = rtw_ops_bss_info_changed, 931 .start_ap = rtw_ops_start_ap, 932 .stop_ap = rtw_ops_stop_ap, 933 .conf_tx = rtw_ops_conf_tx, 934 .sta_add = rtw_ops_sta_add, 935 .sta_remove = rtw_ops_sta_remove, 936 .set_tim = rtw_ops_set_tim, 937 .set_key = rtw_ops_set_key, 938 .ampdu_action = rtw_ops_ampdu_action, 939 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 940 .sw_scan_start = rtw_ops_sw_scan_start, 941 .sw_scan_complete = rtw_ops_sw_scan_complete, 942 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 943 .set_rts_threshold = rtw_ops_set_rts_threshold, 944 .sta_statistics = rtw_ops_sta_statistics, 945 .flush = rtw_ops_flush, 946 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 947 .set_antenna = rtw_ops_set_antenna, 948 .get_antenna = rtw_ops_get_antenna, 949 .reconfig_complete = rtw_reconfig_complete, 950 .hw_scan = rtw_ops_hw_scan, 951 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 952 .sta_rc_update = rtw_ops_sta_rc_update, 953 .set_sar_specs = rtw_ops_set_sar_specs, 954 #ifdef CONFIG_PM 955 .suspend = rtw_ops_suspend, 956 .resume = rtw_ops_resume, 957 .set_wakeup = rtw_ops_set_wakeup, 958 #endif 959 }; 960 EXPORT_SYMBOL(rtw_ops); 961