1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #include "main.h" 6 #include "sec.h" 7 #include "tx.h" 8 #include "fw.h" 9 #include "mac.h" 10 #include "coex.h" 11 #include "ps.h" 12 #include "reg.h" 13 #include "bf.h" 14 #include "debug.h" 15 #include "wow.h" 16 #include "sar.h" 17 18 static void rtw_ops_tx(struct ieee80211_hw *hw, 19 struct ieee80211_tx_control *control, 20 struct sk_buff *skb) 21 { 22 struct rtw_dev *rtwdev = hw->priv; 23 24 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) { 25 ieee80211_free_txskb(hw, skb); 26 return; 27 } 28 29 rtw_tx(rtwdev, control, skb); 30 } 31 32 static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw, 33 struct ieee80211_txq *txq) 34 { 35 struct rtw_dev *rtwdev = hw->priv; 36 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 37 38 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 39 return; 40 41 spin_lock_bh(&rtwdev->txq_lock); 42 if (list_empty(&rtwtxq->list)) 43 list_add_tail(&rtwtxq->list, &rtwdev->txqs); 44 spin_unlock_bh(&rtwdev->txq_lock); 45 46 queue_work(rtwdev->tx_wq, &rtwdev->tx_work); 47 } 48 49 static int rtw_ops_start(struct ieee80211_hw *hw) 50 { 51 struct rtw_dev *rtwdev = hw->priv; 52 int ret; 53 54 mutex_lock(&rtwdev->mutex); 55 ret = rtw_core_start(rtwdev); 56 mutex_unlock(&rtwdev->mutex); 57 58 return ret; 59 } 60 61 static void rtw_ops_stop(struct ieee80211_hw *hw) 62 { 63 struct rtw_dev *rtwdev = hw->priv; 64 65 mutex_lock(&rtwdev->mutex); 66 rtw_core_stop(rtwdev); 67 mutex_unlock(&rtwdev->mutex); 68 } 69 70 static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed) 71 { 72 struct rtw_dev *rtwdev = hw->priv; 73 int ret = 0; 74 75 /* let previous ips work finish to ensure we don't leave ips twice */ 76 cancel_work_sync(&rtwdev->ips_work); 77 78 mutex_lock(&rtwdev->mutex); 79 80 rtw_leave_lps_deep(rtwdev); 81 82 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 83 !(hw->conf.flags & IEEE80211_CONF_IDLE)) { 84 ret = rtw_leave_ips(rtwdev); 85 if (ret) { 86 rtw_err(rtwdev, "failed to leave idle state\n"); 87 goto out; 88 } 89 } 90 91 if (changed & IEEE80211_CONF_CHANGE_PS) { 92 if (hw->conf.flags & IEEE80211_CONF_PS) { 93 rtwdev->ps_enabled = true; 94 } else { 95 rtwdev->ps_enabled = false; 96 rtw_leave_lps(rtwdev); 97 } 98 } 99 100 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 101 rtw_set_channel(rtwdev); 102 103 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 104 (hw->conf.flags & IEEE80211_CONF_IDLE)) 105 rtw_enter_ips(rtwdev); 106 107 out: 108 mutex_unlock(&rtwdev->mutex); 109 return ret; 110 } 111 112 static const struct rtw_vif_port rtw_vif_port[] = { 113 [0] = { 114 .mac_addr = {.addr = 0x0610}, 115 .bssid = {.addr = 0x0618}, 116 .net_type = {.addr = 0x0100, .mask = 0x30000}, 117 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 118 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 119 }, 120 [1] = { 121 .mac_addr = {.addr = 0x0700}, 122 .bssid = {.addr = 0x0708}, 123 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 124 .aid = {.addr = 0x0710, .mask = 0x7ff}, 125 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 126 }, 127 [2] = { 128 .mac_addr = {.addr = 0x1620}, 129 .bssid = {.addr = 0x1628}, 130 .net_type = {.addr = 0x1100, .mask = 0x3}, 131 .aid = {.addr = 0x1600, .mask = 0x7ff}, 132 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 133 }, 134 [3] = { 135 .mac_addr = {.addr = 0x1630}, 136 .bssid = {.addr = 0x1638}, 137 .net_type = {.addr = 0x1100, .mask = 0xc}, 138 .aid = {.addr = 0x1604, .mask = 0x7ff}, 139 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 140 }, 141 [4] = { 142 .mac_addr = {.addr = 0x1640}, 143 .bssid = {.addr = 0x1648}, 144 .net_type = {.addr = 0x1100, .mask = 0x30}, 145 .aid = {.addr = 0x1608, .mask = 0x7ff}, 146 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 147 }, 148 }; 149 150 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 151 struct ieee80211_vif *vif) 152 { 153 struct rtw_dev *rtwdev = hw->priv; 154 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 155 enum rtw_net_type net_type; 156 u32 config = 0; 157 u8 port = 0; 158 u8 bcn_ctrl = 0; 159 160 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 161 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 162 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 163 rtwvif->port = port; 164 rtwvif->stats.tx_unicast = 0; 165 rtwvif->stats.rx_unicast = 0; 166 rtwvif->stats.tx_cnt = 0; 167 rtwvif->stats.rx_cnt = 0; 168 rtwvif->scan_req = NULL; 169 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 170 rtwvif->conf = &rtw_vif_port[port]; 171 rtw_txq_init(rtwdev, vif->txq); 172 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 173 174 mutex_lock(&rtwdev->mutex); 175 176 rtw_leave_lps_deep(rtwdev); 177 178 switch (vif->type) { 179 case NL80211_IFTYPE_AP: 180 case NL80211_IFTYPE_MESH_POINT: 181 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 182 net_type = RTW_NET_AP_MODE; 183 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 184 break; 185 case NL80211_IFTYPE_ADHOC: 186 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 187 net_type = RTW_NET_AD_HOC; 188 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 189 break; 190 case NL80211_IFTYPE_STATION: 191 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 192 net_type = RTW_NET_NO_LINK; 193 bcn_ctrl = BIT_EN_BCN_FUNCTION; 194 break; 195 default: 196 WARN_ON(1); 197 mutex_unlock(&rtwdev->mutex); 198 return -EINVAL; 199 } 200 201 ether_addr_copy(rtwvif->mac_addr, vif->addr); 202 config |= PORT_SET_MAC_ADDR; 203 rtwvif->net_type = net_type; 204 config |= PORT_SET_NET_TYPE; 205 rtwvif->bcn_ctrl = bcn_ctrl; 206 config |= PORT_SET_BCN_CTRL; 207 rtw_vif_port_config(rtwdev, rtwvif, config); 208 209 mutex_unlock(&rtwdev->mutex); 210 211 #if defined(__linux__) 212 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 213 #elif defined(__FreeBSD__) 214 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %6D on port %d\n", vif->addr, ":", rtwvif->port); 215 #endif 216 return 0; 217 } 218 219 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 220 struct ieee80211_vif *vif) 221 { 222 struct rtw_dev *rtwdev = hw->priv; 223 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 224 u32 config = 0; 225 226 #if defined(__linux__) 227 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 228 #elif defined(__FreeBSD__) 229 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %6D on port %d\n", vif->addr, ":", rtwvif->port); 230 #endif 231 232 mutex_lock(&rtwdev->mutex); 233 234 rtw_leave_lps_deep(rtwdev); 235 236 rtw_txq_cleanup(rtwdev, vif->txq); 237 rtw_remove_rsvd_page(rtwdev, rtwvif); 238 239 eth_zero_addr(rtwvif->mac_addr); 240 config |= PORT_SET_MAC_ADDR; 241 rtwvif->net_type = RTW_NET_NO_LINK; 242 config |= PORT_SET_NET_TYPE; 243 rtwvif->bcn_ctrl = 0; 244 config |= PORT_SET_BCN_CTRL; 245 rtw_vif_port_config(rtwdev, rtwvif, config); 246 247 mutex_unlock(&rtwdev->mutex); 248 } 249 250 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 251 struct ieee80211_vif *vif, 252 enum nl80211_iftype type, bool p2p) 253 { 254 struct rtw_dev *rtwdev = hw->priv; 255 256 #if defined(__linux__) 257 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 258 vif->addr, vif->type, type, vif->p2p, p2p); 259 #elif defined(__FreeBSD__) 260 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %6D (%d)->(%d), p2p (%d)->(%d)\n", 261 vif->addr, ":", vif->type, type, vif->p2p, p2p); 262 #endif 263 264 rtw_ops_remove_interface(hw, vif); 265 266 vif->type = type; 267 vif->p2p = p2p; 268 269 return rtw_ops_add_interface(hw, vif); 270 } 271 272 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 273 unsigned int changed_flags, 274 unsigned int *new_flags, 275 u64 multicast) 276 { 277 struct rtw_dev *rtwdev = hw->priv; 278 279 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 280 FIF_BCN_PRBRESP_PROMISC; 281 282 mutex_lock(&rtwdev->mutex); 283 284 rtw_leave_lps_deep(rtwdev); 285 286 if (changed_flags & FIF_ALLMULTI) { 287 if (*new_flags & FIF_ALLMULTI) 288 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 289 else 290 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 291 } 292 if (changed_flags & FIF_FCSFAIL) { 293 if (*new_flags & FIF_FCSFAIL) 294 rtwdev->hal.rcr |= BIT_ACRC32; 295 else 296 rtwdev->hal.rcr &= ~(BIT_ACRC32); 297 } 298 if (changed_flags & FIF_OTHER_BSS) { 299 if (*new_flags & FIF_OTHER_BSS) 300 rtwdev->hal.rcr |= BIT_AAP; 301 else 302 rtwdev->hal.rcr &= ~(BIT_AAP); 303 } 304 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 305 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 306 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 307 else 308 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 309 } 310 311 rtw_dbg(rtwdev, RTW_DBG_RX, 312 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 313 changed_flags, *new_flags, rtwdev->hal.rcr); 314 315 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 316 317 mutex_unlock(&rtwdev->mutex); 318 } 319 320 /* Only have one group of EDCA parameters now */ 321 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 322 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 323 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 324 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 325 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 326 }; 327 328 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 329 struct rtw_vif *rtwvif, u8 aifsn) 330 { 331 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 332 u8 slot_time; 333 u8 sifs; 334 335 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 336 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 337 338 return aifsn * slot_time + sifs; 339 } 340 341 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 342 struct rtw_vif *rtwvif, u16 ac) 343 { 344 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 345 u32 edca_param = ac_to_edca_param[ac]; 346 u8 ecw_max, ecw_min; 347 u8 aifs; 348 349 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 350 ecw_max = ilog2(params->cw_max + 1); 351 ecw_min = ilog2(params->cw_min + 1); 352 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 353 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 354 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 355 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 356 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 357 } 358 359 static void rtw_conf_tx(struct rtw_dev *rtwdev, 360 struct rtw_vif *rtwvif) 361 { 362 u16 ac; 363 364 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 365 __rtw_conf_tx(rtwdev, rtwvif, ac); 366 } 367 368 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 369 struct ieee80211_vif *vif, 370 struct ieee80211_bss_conf *conf, 371 u64 changed) 372 { 373 struct rtw_dev *rtwdev = hw->priv; 374 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 375 struct rtw_coex *coex = &rtwdev->coex; 376 struct rtw_coex_stat *coex_stat = &coex->stat; 377 u32 config = 0; 378 379 mutex_lock(&rtwdev->mutex); 380 381 rtw_leave_lps_deep(rtwdev); 382 383 if (changed & BSS_CHANGED_ASSOC) { 384 rtw_vif_assoc_changed(rtwvif, conf); 385 if (conf->assoc) { 386 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 387 388 rtw_fw_download_rsvd_page(rtwdev); 389 rtw_send_rsvd_page_h2c(rtwdev); 390 rtw_coex_media_status_notify(rtwdev, conf->assoc); 391 if (rtw_bf_support) 392 rtw_bf_assoc(rtwdev, vif, conf); 393 rtw_store_op_chan(rtwdev); 394 } else { 395 rtw_leave_lps(rtwdev); 396 rtw_bf_disassoc(rtwdev, vif, conf); 397 /* Abort ongoing scan if cancel_scan isn't issued 398 * when disconnected by peer 399 */ 400 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 401 rtw_hw_scan_abort(rtwdev, vif); 402 } 403 404 config |= PORT_SET_NET_TYPE; 405 config |= PORT_SET_AID; 406 } 407 408 if (changed & BSS_CHANGED_BSSID) { 409 ether_addr_copy(rtwvif->bssid, conf->bssid); 410 config |= PORT_SET_BSSID; 411 } 412 413 if (changed & BSS_CHANGED_BEACON_INT) { 414 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 415 coex_stat->wl_beacon_interval = conf->beacon_int; 416 } 417 418 if (changed & BSS_CHANGED_BEACON) { 419 rtw_set_dtim_period(rtwdev, conf->dtim_period); 420 rtw_fw_download_rsvd_page(rtwdev); 421 } 422 423 if (changed & BSS_CHANGED_BEACON_ENABLED) { 424 if (conf->enable_beacon) 425 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 426 BIT_EN_BCNQ_DL); 427 else 428 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 429 BIT_EN_BCNQ_DL); 430 } 431 if (changed & BSS_CHANGED_CQM) 432 rtw_fw_beacon_filter_config(rtwdev, true, vif); 433 434 if (changed & BSS_CHANGED_MU_GROUPS) 435 rtw_chip_set_gid_table(rtwdev, vif, conf); 436 437 if (changed & BSS_CHANGED_ERP_SLOT) 438 rtw_conf_tx(rtwdev, rtwvif); 439 440 rtw_vif_port_config(rtwdev, rtwvif, config); 441 442 mutex_unlock(&rtwdev->mutex); 443 } 444 445 static int rtw_ops_start_ap(struct ieee80211_hw *hw, 446 struct ieee80211_vif *vif, 447 struct ieee80211_bss_conf *link_conf) 448 { 449 struct rtw_dev *rtwdev = hw->priv; 450 struct rtw_chip_info *chip = rtwdev->chip; 451 452 mutex_lock(&rtwdev->mutex); 453 chip->ops->phy_calibration(rtwdev); 454 mutex_unlock(&rtwdev->mutex); 455 456 return 0; 457 } 458 459 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 460 struct ieee80211_vif *vif, 461 unsigned int link_id, u16 ac, 462 const struct ieee80211_tx_queue_params *params) 463 { 464 struct rtw_dev *rtwdev = hw->priv; 465 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 466 467 mutex_lock(&rtwdev->mutex); 468 469 rtw_leave_lps_deep(rtwdev); 470 471 rtwvif->tx_params[ac] = *params; 472 __rtw_conf_tx(rtwdev, rtwvif, ac); 473 474 mutex_unlock(&rtwdev->mutex); 475 476 return 0; 477 } 478 479 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 480 struct ieee80211_vif *vif, 481 struct ieee80211_sta *sta) 482 { 483 struct rtw_dev *rtwdev = hw->priv; 484 int ret = 0; 485 486 mutex_lock(&rtwdev->mutex); 487 ret = rtw_sta_add(rtwdev, sta, vif); 488 mutex_unlock(&rtwdev->mutex); 489 490 return ret; 491 } 492 493 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 494 struct ieee80211_vif *vif, 495 struct ieee80211_sta *sta) 496 { 497 struct rtw_dev *rtwdev = hw->priv; 498 499 rtw_fw_beacon_filter_config(rtwdev, false, vif); 500 mutex_lock(&rtwdev->mutex); 501 rtw_sta_remove(rtwdev, sta, true); 502 mutex_unlock(&rtwdev->mutex); 503 504 return 0; 505 } 506 507 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 508 bool set) 509 { 510 struct rtw_dev *rtwdev = hw->priv; 511 512 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 513 514 return 0; 515 } 516 517 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 518 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 519 struct ieee80211_key_conf *key) 520 { 521 struct rtw_dev *rtwdev = hw->priv; 522 struct rtw_sec_desc *sec = &rtwdev->sec; 523 u8 hw_key_type; 524 u8 hw_key_idx; 525 int ret = 0; 526 527 switch (key->cipher) { 528 case WLAN_CIPHER_SUITE_WEP40: 529 hw_key_type = RTW_CAM_WEP40; 530 break; 531 case WLAN_CIPHER_SUITE_WEP104: 532 hw_key_type = RTW_CAM_WEP104; 533 break; 534 case WLAN_CIPHER_SUITE_TKIP: 535 hw_key_type = RTW_CAM_TKIP; 536 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 537 break; 538 case WLAN_CIPHER_SUITE_CCMP: 539 hw_key_type = RTW_CAM_AES; 540 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 541 break; 542 case WLAN_CIPHER_SUITE_AES_CMAC: 543 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 544 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 545 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 546 case WLAN_CIPHER_SUITE_CCMP_256: 547 case WLAN_CIPHER_SUITE_GCMP: 548 case WLAN_CIPHER_SUITE_GCMP_256: 549 /* suppress error messages */ 550 return -EOPNOTSUPP; 551 default: 552 return -ENOTSUPP; 553 } 554 555 mutex_lock(&rtwdev->mutex); 556 557 rtw_leave_lps_deep(rtwdev); 558 559 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 560 hw_key_idx = rtw_sec_get_free_cam(sec); 561 } else { 562 /* multiple interfaces? */ 563 hw_key_idx = key->keyidx; 564 } 565 566 if (hw_key_idx > sec->total_cam_num) { 567 ret = -ENOSPC; 568 goto out; 569 } 570 571 switch (cmd) { 572 case SET_KEY: 573 /* need sw generated IV */ 574 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 575 key->hw_key_idx = hw_key_idx; 576 rtw_sec_write_cam(rtwdev, sec, sta, key, 577 hw_key_type, hw_key_idx); 578 break; 579 case DISABLE_KEY: 580 rtw_hci_flush_all_queues(rtwdev, false); 581 rtw_mac_flush_all_queues(rtwdev, false); 582 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 583 break; 584 } 585 586 /* download new cam settings for PG to backup */ 587 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 588 rtw_fw_download_rsvd_page(rtwdev); 589 590 out: 591 mutex_unlock(&rtwdev->mutex); 592 593 return ret; 594 } 595 596 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 597 struct ieee80211_vif *vif, 598 struct ieee80211_ampdu_params *params) 599 { 600 struct ieee80211_sta *sta = params->sta; 601 u16 tid = params->tid; 602 struct ieee80211_txq *txq = sta->txq[tid]; 603 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 604 605 switch (params->action) { 606 case IEEE80211_AMPDU_TX_START: 607 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 608 case IEEE80211_AMPDU_TX_STOP_CONT: 609 case IEEE80211_AMPDU_TX_STOP_FLUSH: 610 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 611 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 612 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 613 break; 614 case IEEE80211_AMPDU_TX_OPERATIONAL: 615 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 616 break; 617 case IEEE80211_AMPDU_RX_START: 618 case IEEE80211_AMPDU_RX_STOP: 619 break; 620 default: 621 WARN_ON(1); 622 return -ENOTSUPP; 623 } 624 625 return 0; 626 } 627 628 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 629 struct sk_buff *head, 630 struct sk_buff *skb) 631 { 632 struct rtw_dev *rtwdev = hw->priv; 633 struct rtw_hal *hal = &rtwdev->hal; 634 635 /* we don't want to enable TX AMSDU on 2.4G */ 636 if (hal->current_band_type == RTW_BAND_2G) 637 return false; 638 639 return true; 640 } 641 642 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 643 struct ieee80211_vif *vif, 644 const u8 *mac_addr) 645 { 646 struct rtw_dev *rtwdev = hw->priv; 647 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 648 649 mutex_lock(&rtwdev->mutex); 650 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 651 mutex_unlock(&rtwdev->mutex); 652 } 653 654 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 655 struct ieee80211_vif *vif) 656 { 657 struct rtw_dev *rtwdev = hw->priv; 658 659 mutex_lock(&rtwdev->mutex); 660 rtw_core_scan_complete(rtwdev, vif, false); 661 mutex_unlock(&rtwdev->mutex); 662 } 663 664 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 665 struct ieee80211_vif *vif, 666 struct ieee80211_prep_tx_info *info) 667 { 668 struct rtw_dev *rtwdev = hw->priv; 669 670 mutex_lock(&rtwdev->mutex); 671 rtw_leave_lps_deep(rtwdev); 672 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 673 rtw_chip_prepare_tx(rtwdev); 674 mutex_unlock(&rtwdev->mutex); 675 } 676 677 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 678 { 679 struct rtw_dev *rtwdev = hw->priv; 680 681 mutex_lock(&rtwdev->mutex); 682 rtwdev->rts_threshold = value; 683 mutex_unlock(&rtwdev->mutex); 684 685 return 0; 686 } 687 688 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 689 struct ieee80211_vif *vif, 690 struct ieee80211_sta *sta, 691 struct station_info *sinfo) 692 { 693 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 694 695 sinfo->txrate = si->ra_report.txrate; 696 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 697 } 698 699 static void rtw_ops_flush(struct ieee80211_hw *hw, 700 struct ieee80211_vif *vif, 701 u32 queues, bool drop) 702 { 703 struct rtw_dev *rtwdev = hw->priv; 704 705 mutex_lock(&rtwdev->mutex); 706 rtw_leave_lps_deep(rtwdev); 707 708 rtw_hci_flush_queues(rtwdev, queues, drop); 709 rtw_mac_flush_queues(rtwdev, queues, drop); 710 mutex_unlock(&rtwdev->mutex); 711 } 712 713 struct rtw_iter_bitrate_mask_data { 714 struct rtw_dev *rtwdev; 715 struct ieee80211_vif *vif; 716 const struct cfg80211_bitrate_mask *mask; 717 }; 718 719 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 720 { 721 struct rtw_iter_bitrate_mask_data *br_data = data; 722 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 723 724 if (si->vif != br_data->vif) 725 return; 726 727 /* free previous mask setting */ 728 kfree(si->mask); 729 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 730 GFP_ATOMIC); 731 if (!si->mask) { 732 si->use_cfg_mask = false; 733 return; 734 } 735 736 si->use_cfg_mask = true; 737 rtw_update_sta_info(br_data->rtwdev, si, true); 738 } 739 740 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 741 struct ieee80211_vif *vif, 742 const struct cfg80211_bitrate_mask *mask) 743 { 744 struct rtw_iter_bitrate_mask_data br_data; 745 746 br_data.rtwdev = rtwdev; 747 br_data.vif = vif; 748 br_data.mask = mask; 749 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 750 } 751 752 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 753 struct ieee80211_vif *vif, 754 const struct cfg80211_bitrate_mask *mask) 755 { 756 struct rtw_dev *rtwdev = hw->priv; 757 758 rtw_ra_mask_info_update(rtwdev, vif, mask); 759 760 return 0; 761 } 762 763 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 764 u32 tx_antenna, 765 u32 rx_antenna) 766 { 767 struct rtw_dev *rtwdev = hw->priv; 768 struct rtw_chip_info *chip = rtwdev->chip; 769 int ret; 770 771 if (!chip->ops->set_antenna) 772 return -EOPNOTSUPP; 773 774 mutex_lock(&rtwdev->mutex); 775 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 776 mutex_unlock(&rtwdev->mutex); 777 778 return ret; 779 } 780 781 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 782 u32 *tx_antenna, 783 u32 *rx_antenna) 784 { 785 struct rtw_dev *rtwdev = hw->priv; 786 struct rtw_hal *hal = &rtwdev->hal; 787 788 *tx_antenna = hal->antenna_tx; 789 *rx_antenna = hal->antenna_rx; 790 791 return 0; 792 } 793 794 #ifdef CONFIG_PM 795 static int rtw_ops_suspend(struct ieee80211_hw *hw, 796 struct cfg80211_wowlan *wowlan) 797 { 798 struct rtw_dev *rtwdev = hw->priv; 799 int ret; 800 801 mutex_lock(&rtwdev->mutex); 802 ret = rtw_wow_suspend(rtwdev, wowlan); 803 if (ret) 804 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 805 mutex_unlock(&rtwdev->mutex); 806 807 return ret ? 1 : 0; 808 } 809 810 static int rtw_ops_resume(struct ieee80211_hw *hw) 811 { 812 struct rtw_dev *rtwdev = hw->priv; 813 int ret; 814 815 mutex_lock(&rtwdev->mutex); 816 ret = rtw_wow_resume(rtwdev); 817 if (ret) 818 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 819 mutex_unlock(&rtwdev->mutex); 820 821 return ret ? 1 : 0; 822 } 823 824 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 825 { 826 struct rtw_dev *rtwdev = hw->priv; 827 828 device_set_wakeup_enable(rtwdev->dev, enabled); 829 } 830 #endif 831 832 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 833 enum ieee80211_reconfig_type reconfig_type) 834 { 835 struct rtw_dev *rtwdev = hw->priv; 836 837 mutex_lock(&rtwdev->mutex); 838 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 839 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 840 mutex_unlock(&rtwdev->mutex); 841 } 842 843 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 844 struct ieee80211_scan_request *req) 845 { 846 struct rtw_dev *rtwdev = hw->priv; 847 int ret; 848 849 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 850 return 1; 851 852 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 853 return -EBUSY; 854 855 mutex_lock(&rtwdev->mutex); 856 rtw_hw_scan_start(rtwdev, vif, req); 857 ret = rtw_hw_scan_offload(rtwdev, vif, true); 858 if (ret) { 859 rtw_hw_scan_abort(rtwdev, vif); 860 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 861 } 862 mutex_unlock(&rtwdev->mutex); 863 864 return ret; 865 } 866 867 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 868 struct ieee80211_vif *vif) 869 { 870 struct rtw_dev *rtwdev = hw->priv; 871 872 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 873 return; 874 875 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 876 return; 877 878 mutex_lock(&rtwdev->mutex); 879 rtw_hw_scan_abort(rtwdev, vif); 880 mutex_unlock(&rtwdev->mutex); 881 } 882 883 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 884 const struct cfg80211_sar_specs *sar) 885 { 886 struct rtw_dev *rtwdev = hw->priv; 887 888 rtw_set_sar_specs(rtwdev, sar); 889 890 return 0; 891 } 892 893 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 894 struct ieee80211_vif *vif, 895 struct ieee80211_sta *sta, u32 changed) 896 { 897 struct rtw_dev *rtwdev = hw->priv; 898 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 899 900 if (changed & IEEE80211_RC_BW_CHANGED) 901 rtw_update_sta_info(rtwdev, si, true); 902 } 903 904 const struct ieee80211_ops rtw_ops = { 905 .tx = rtw_ops_tx, 906 .wake_tx_queue = rtw_ops_wake_tx_queue, 907 .start = rtw_ops_start, 908 .stop = rtw_ops_stop, 909 .config = rtw_ops_config, 910 .add_interface = rtw_ops_add_interface, 911 .remove_interface = rtw_ops_remove_interface, 912 .change_interface = rtw_ops_change_interface, 913 .configure_filter = rtw_ops_configure_filter, 914 .bss_info_changed = rtw_ops_bss_info_changed, 915 .start_ap = rtw_ops_start_ap, 916 .conf_tx = rtw_ops_conf_tx, 917 .sta_add = rtw_ops_sta_add, 918 .sta_remove = rtw_ops_sta_remove, 919 .set_tim = rtw_ops_set_tim, 920 .set_key = rtw_ops_set_key, 921 .ampdu_action = rtw_ops_ampdu_action, 922 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 923 .sw_scan_start = rtw_ops_sw_scan_start, 924 .sw_scan_complete = rtw_ops_sw_scan_complete, 925 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 926 .set_rts_threshold = rtw_ops_set_rts_threshold, 927 .sta_statistics = rtw_ops_sta_statistics, 928 .flush = rtw_ops_flush, 929 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 930 .set_antenna = rtw_ops_set_antenna, 931 .get_antenna = rtw_ops_get_antenna, 932 .reconfig_complete = rtw_reconfig_complete, 933 .hw_scan = rtw_ops_hw_scan, 934 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 935 .sta_rc_update = rtw_ops_sta_rc_update, 936 .set_sar_specs = rtw_ops_set_sar_specs, 937 #ifdef CONFIG_PM 938 .suspend = rtw_ops_suspend, 939 .resume = rtw_ops_resume, 940 .set_wakeup = rtw_ops_set_wakeup, 941 #endif 942 }; 943 EXPORT_SYMBOL(rtw_ops); 944