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