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