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 /* ensure to dequeue EAPOL (4/4) at the right time */ 47 if (txq->ac == IEEE80211_AC_VO) 48 __rtw_tx_work(rtwdev); 49 else 50 queue_work(rtwdev->tx_wq, &rtwdev->tx_work); 51 } 52 53 static int rtw_ops_start(struct ieee80211_hw *hw) 54 { 55 struct rtw_dev *rtwdev = hw->priv; 56 int ret; 57 58 mutex_lock(&rtwdev->mutex); 59 ret = rtw_core_start(rtwdev); 60 mutex_unlock(&rtwdev->mutex); 61 62 return ret; 63 } 64 65 static void rtw_ops_stop(struct ieee80211_hw *hw, bool suspend) 66 { 67 struct rtw_dev *rtwdev = hw->priv; 68 69 mutex_lock(&rtwdev->mutex); 70 rtw_core_stop(rtwdev); 71 mutex_unlock(&rtwdev->mutex); 72 } 73 74 static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed) 75 { 76 struct rtw_dev *rtwdev = hw->priv; 77 int ret = 0; 78 79 /* let previous ips work finish to ensure we don't leave ips twice */ 80 cancel_work_sync(&rtwdev->ips_work); 81 82 mutex_lock(&rtwdev->mutex); 83 84 rtw_leave_lps_deep(rtwdev); 85 86 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 87 !(hw->conf.flags & IEEE80211_CONF_IDLE)) { 88 ret = rtw_leave_ips(rtwdev); 89 if (ret) { 90 rtw_err(rtwdev, "failed to leave idle state\n"); 91 goto out; 92 } 93 } 94 95 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 96 rtw_set_channel(rtwdev); 97 98 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 99 (hw->conf.flags & IEEE80211_CONF_IDLE) && 100 !test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 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; 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->stats.tx_unicast = 0; 160 rtwvif->stats.rx_unicast = 0; 161 rtwvif->stats.tx_cnt = 0; 162 rtwvif->stats.rx_cnt = 0; 163 rtwvif->scan_req = NULL; 164 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 165 rtw_txq_init(rtwdev, vif->txq); 166 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 167 168 mutex_lock(&rtwdev->mutex); 169 170 rtwvif->mac_id = rtw_acquire_macid(rtwdev); 171 if (rtwvif->mac_id >= RTW_MAX_MAC_ID_NUM) { 172 mutex_unlock(&rtwdev->mutex); 173 return -ENOSPC; 174 } 175 176 port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM); 177 if (port >= RTW_PORT_NUM) { 178 mutex_unlock(&rtwdev->mutex); 179 return -EINVAL; 180 } 181 set_bit(port, rtwdev->hw_port); 182 183 rtwvif->port = port; 184 rtwvif->conf = &rtw_vif_port[port]; 185 rtw_leave_lps_deep(rtwdev); 186 187 switch (vif->type) { 188 case NL80211_IFTYPE_AP: 189 case NL80211_IFTYPE_MESH_POINT: 190 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 191 net_type = RTW_NET_AP_MODE; 192 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 193 break; 194 case NL80211_IFTYPE_ADHOC: 195 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 196 net_type = RTW_NET_AD_HOC; 197 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 198 break; 199 case NL80211_IFTYPE_STATION: 200 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 201 net_type = RTW_NET_NO_LINK; 202 bcn_ctrl = BIT_EN_BCN_FUNCTION; 203 break; 204 default: 205 WARN_ON(1); 206 clear_bit(rtwvif->port, rtwdev->hw_port); 207 mutex_unlock(&rtwdev->mutex); 208 return -EINVAL; 209 } 210 211 ether_addr_copy(rtwvif->mac_addr, vif->addr); 212 config |= PORT_SET_MAC_ADDR; 213 rtwvif->net_type = net_type; 214 config |= PORT_SET_NET_TYPE; 215 rtwvif->bcn_ctrl = bcn_ctrl; 216 config |= PORT_SET_BCN_CTRL; 217 rtw_vif_port_config(rtwdev, rtwvif, config); 218 rtw_core_port_switch(rtwdev, vif); 219 rtw_recalc_lps(rtwdev, vif); 220 221 mutex_unlock(&rtwdev->mutex); 222 223 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM mac_id %d on port %d\n", 224 vif->addr, rtwvif->mac_id, rtwvif->port); 225 return 0; 226 } 227 228 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 229 struct ieee80211_vif *vif) 230 { 231 struct rtw_dev *rtwdev = hw->priv; 232 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 233 u32 config = 0; 234 235 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM mac_id %d on port %d\n", 236 vif->addr, rtwvif->mac_id, rtwvif->port); 237 238 mutex_lock(&rtwdev->mutex); 239 240 rtw_leave_lps_deep(rtwdev); 241 242 rtw_txq_cleanup(rtwdev, vif->txq); 243 rtw_remove_rsvd_page(rtwdev, rtwvif); 244 245 eth_zero_addr(rtwvif->mac_addr); 246 config |= PORT_SET_MAC_ADDR; 247 rtwvif->net_type = RTW_NET_NO_LINK; 248 config |= PORT_SET_NET_TYPE; 249 rtwvif->bcn_ctrl = 0; 250 config |= PORT_SET_BCN_CTRL; 251 rtw_vif_port_config(rtwdev, rtwvif, config); 252 clear_bit(rtwvif->port, rtwdev->hw_port); 253 rtw_release_macid(rtwdev, rtwvif->mac_id); 254 rtw_recalc_lps(rtwdev, NULL); 255 256 mutex_unlock(&rtwdev->mutex); 257 } 258 259 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 260 struct ieee80211_vif *vif, 261 enum nl80211_iftype type, bool p2p) 262 { 263 struct rtw_dev *rtwdev = hw->priv; 264 265 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 266 vif->addr, vif->type, type, vif->p2p, p2p); 267 268 rtw_ops_remove_interface(hw, vif); 269 270 vif->type = type; 271 vif->p2p = p2p; 272 273 return rtw_ops_add_interface(hw, vif); 274 } 275 276 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 277 unsigned int changed_flags, 278 unsigned int *new_flags, 279 u64 multicast) 280 { 281 struct rtw_dev *rtwdev = hw->priv; 282 283 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 284 FIF_BCN_PRBRESP_PROMISC; 285 286 mutex_lock(&rtwdev->mutex); 287 288 rtw_leave_lps_deep(rtwdev); 289 290 if (changed_flags & FIF_ALLMULTI) { 291 if (*new_flags & FIF_ALLMULTI) 292 rtwdev->hal.rcr |= BIT_AM; 293 else 294 rtwdev->hal.rcr &= ~(BIT_AM); 295 } 296 if (changed_flags & FIF_FCSFAIL) { 297 if (*new_flags & FIF_FCSFAIL) 298 rtwdev->hal.rcr |= BIT_ACRC32; 299 else 300 rtwdev->hal.rcr &= ~(BIT_ACRC32); 301 } 302 if (changed_flags & FIF_OTHER_BSS) { 303 if (*new_flags & FIF_OTHER_BSS) 304 rtwdev->hal.rcr |= BIT_AAP; 305 else 306 rtwdev->hal.rcr &= ~(BIT_AAP); 307 } 308 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 309 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 310 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 311 else 312 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 313 } 314 315 rtw_dbg(rtwdev, RTW_DBG_RX, 316 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 317 changed_flags, *new_flags, rtwdev->hal.rcr); 318 319 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 320 321 mutex_unlock(&rtwdev->mutex); 322 } 323 324 /* Only have one group of EDCA parameters now */ 325 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 326 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 327 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 328 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 329 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 330 }; 331 332 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 333 struct rtw_vif *rtwvif, u8 aifsn) 334 { 335 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 336 u8 slot_time; 337 u8 sifs; 338 339 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 340 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 341 342 return aifsn * slot_time + sifs; 343 } 344 345 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 346 struct rtw_vif *rtwvif, u16 ac) 347 { 348 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 349 u32 edca_param = ac_to_edca_param[ac]; 350 u8 ecw_max, ecw_min; 351 u8 aifs; 352 353 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 354 ecw_max = ilog2(params->cw_max + 1); 355 ecw_min = ilog2(params->cw_min + 1); 356 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 357 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 358 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 359 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 360 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 361 } 362 363 static void rtw_conf_tx(struct rtw_dev *rtwdev, 364 struct rtw_vif *rtwvif) 365 { 366 u16 ac; 367 368 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 369 __rtw_conf_tx(rtwdev, rtwvif, ac); 370 } 371 372 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 373 struct ieee80211_vif *vif, 374 struct ieee80211_bss_conf *conf, 375 u64 changed) 376 { 377 struct rtw_dev *rtwdev = hw->priv; 378 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 379 struct rtw_coex *coex = &rtwdev->coex; 380 struct rtw_coex_stat *coex_stat = &coex->stat; 381 u32 config = 0; 382 383 mutex_lock(&rtwdev->mutex); 384 385 rtw_leave_lps_deep(rtwdev); 386 387 if (changed & BSS_CHANGED_ASSOC) { 388 rtw_vif_assoc_changed(rtwvif, conf); 389 if (vif->cfg.assoc) { 390 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 391 392 rtw_fw_download_rsvd_page(rtwdev); 393 rtw_send_rsvd_page_h2c(rtwdev); 394 rtw_fw_default_port(rtwdev, rtwvif); 395 rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); 396 if (rtw_bf_support) 397 rtw_bf_assoc(rtwdev, vif, conf); 398 399 rtw_fw_beacon_filter_config(rtwdev, true, vif); 400 } else { 401 rtw_leave_lps(rtwdev); 402 rtw_bf_disassoc(rtwdev, vif, conf); 403 /* Abort ongoing scan if cancel_scan isn't issued 404 * when disconnected by peer 405 */ 406 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 407 rtw_hw_scan_abort(rtwdev); 408 409 } 410 411 config |= PORT_SET_NET_TYPE; 412 config |= PORT_SET_AID; 413 } 414 415 if (changed & BSS_CHANGED_BSSID) { 416 ether_addr_copy(rtwvif->bssid, conf->bssid); 417 config |= PORT_SET_BSSID; 418 if (!rtw_core_check_sta_active(rtwdev)) 419 rtw_clear_op_chan(rtwdev); 420 else 421 rtw_store_op_chan(rtwdev, true); 422 } 423 424 if (changed & BSS_CHANGED_BEACON_INT) { 425 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 426 coex_stat->wl_beacon_interval = conf->beacon_int; 427 } 428 429 if (changed & BSS_CHANGED_BEACON) { 430 rtw_set_dtim_period(rtwdev, conf->dtim_period); 431 rtw_fw_download_rsvd_page(rtwdev); 432 rtw_send_rsvd_page_h2c(rtwdev); 433 } 434 435 if (changed & BSS_CHANGED_BEACON_ENABLED) { 436 if (conf->enable_beacon) 437 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 438 BIT_EN_BCNQ_DL); 439 else 440 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 441 BIT_EN_BCNQ_DL); 442 } 443 if (changed & BSS_CHANGED_CQM) 444 rtw_fw_beacon_filter_config(rtwdev, true, vif); 445 446 if (changed & BSS_CHANGED_MU_GROUPS) 447 rtw_chip_set_gid_table(rtwdev, vif, conf); 448 449 if (changed & BSS_CHANGED_ERP_SLOT) 450 rtw_conf_tx(rtwdev, rtwvif); 451 452 if (changed & BSS_CHANGED_PS) 453 rtw_recalc_lps(rtwdev, NULL); 454 455 rtw_vif_port_config(rtwdev, rtwvif, config); 456 457 mutex_unlock(&rtwdev->mutex); 458 } 459 460 static int rtw_ops_start_ap(struct ieee80211_hw *hw, 461 struct ieee80211_vif *vif, 462 struct ieee80211_bss_conf *link_conf) 463 { 464 struct rtw_dev *rtwdev = hw->priv; 465 const struct rtw_chip_info *chip = rtwdev->chip; 466 467 mutex_lock(&rtwdev->mutex); 468 rtw_write32_set(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD); 469 rtwdev->ap_active = true; 470 rtw_store_op_chan(rtwdev, true); 471 chip->ops->phy_calibration(rtwdev); 472 mutex_unlock(&rtwdev->mutex); 473 474 return 0; 475 } 476 477 static void rtw_ops_stop_ap(struct ieee80211_hw *hw, 478 struct ieee80211_vif *vif, 479 struct ieee80211_bss_conf *link_conf) 480 { 481 struct rtw_dev *rtwdev = hw->priv; 482 483 mutex_lock(&rtwdev->mutex); 484 rtw_write32_clr(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD); 485 rtwdev->ap_active = false; 486 if (!rtw_core_check_sta_active(rtwdev)) 487 rtw_clear_op_chan(rtwdev); 488 mutex_unlock(&rtwdev->mutex); 489 } 490 491 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 492 struct ieee80211_vif *vif, 493 unsigned int link_id, u16 ac, 494 const struct ieee80211_tx_queue_params *params) 495 { 496 struct rtw_dev *rtwdev = hw->priv; 497 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 498 499 mutex_lock(&rtwdev->mutex); 500 501 rtw_leave_lps_deep(rtwdev); 502 503 rtwvif->tx_params[ac] = *params; 504 __rtw_conf_tx(rtwdev, rtwvif, ac); 505 506 mutex_unlock(&rtwdev->mutex); 507 508 return 0; 509 } 510 511 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 512 struct ieee80211_vif *vif, 513 struct ieee80211_sta *sta) 514 { 515 struct rtw_dev *rtwdev = hw->priv; 516 int ret = 0; 517 518 mutex_lock(&rtwdev->mutex); 519 ret = rtw_sta_add(rtwdev, sta, vif); 520 mutex_unlock(&rtwdev->mutex); 521 522 return ret; 523 } 524 525 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 526 struct ieee80211_vif *vif, 527 struct ieee80211_sta *sta) 528 { 529 struct rtw_dev *rtwdev = hw->priv; 530 531 mutex_lock(&rtwdev->mutex); 532 rtw_fw_beacon_filter_config(rtwdev, false, vif); 533 rtw_sta_remove(rtwdev, sta, true); 534 mutex_unlock(&rtwdev->mutex); 535 536 return 0; 537 } 538 539 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 540 bool set) 541 { 542 struct rtw_dev *rtwdev = hw->priv; 543 544 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 545 546 return 0; 547 } 548 549 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 550 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 551 struct ieee80211_key_conf *key) 552 { 553 struct rtw_dev *rtwdev = hw->priv; 554 struct rtw_sec_desc *sec = &rtwdev->sec; 555 u8 hw_key_type; 556 u8 hw_key_idx; 557 int ret = 0; 558 559 switch (key->cipher) { 560 case WLAN_CIPHER_SUITE_WEP40: 561 hw_key_type = RTW_CAM_WEP40; 562 break; 563 case WLAN_CIPHER_SUITE_WEP104: 564 hw_key_type = RTW_CAM_WEP104; 565 break; 566 case WLAN_CIPHER_SUITE_TKIP: 567 hw_key_type = RTW_CAM_TKIP; 568 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 569 break; 570 case WLAN_CIPHER_SUITE_CCMP: 571 hw_key_type = RTW_CAM_AES; 572 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 573 break; 574 case WLAN_CIPHER_SUITE_AES_CMAC: 575 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 576 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 577 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 578 case WLAN_CIPHER_SUITE_CCMP_256: 579 case WLAN_CIPHER_SUITE_GCMP: 580 case WLAN_CIPHER_SUITE_GCMP_256: 581 /* suppress error messages */ 582 return -EOPNOTSUPP; 583 default: 584 return -ENOTSUPP; 585 } 586 587 mutex_lock(&rtwdev->mutex); 588 589 rtw_leave_lps_deep(rtwdev); 590 591 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 592 hw_key_idx = rtw_sec_get_free_cam(sec); 593 } else { 594 /* multiple interfaces? */ 595 hw_key_idx = key->keyidx; 596 } 597 598 if (hw_key_idx > sec->total_cam_num) { 599 ret = -ENOSPC; 600 goto out; 601 } 602 603 switch (cmd) { 604 case SET_KEY: 605 /* need sw generated IV */ 606 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 607 key->hw_key_idx = hw_key_idx; 608 rtw_sec_write_cam(rtwdev, sec, sta, key, 609 hw_key_type, hw_key_idx); 610 break; 611 case DISABLE_KEY: 612 rtw_hci_flush_all_queues(rtwdev, false); 613 rtw_mac_flush_all_queues(rtwdev, false); 614 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 615 break; 616 } 617 618 /* download new cam settings for PG to backup */ 619 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 620 rtw_fw_download_rsvd_page(rtwdev); 621 622 out: 623 mutex_unlock(&rtwdev->mutex); 624 625 return ret; 626 } 627 628 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 629 struct ieee80211_vif *vif, 630 struct ieee80211_ampdu_params *params) 631 { 632 struct ieee80211_sta *sta = params->sta; 633 u16 tid = params->tid; 634 struct ieee80211_txq *txq = sta->txq[tid]; 635 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 636 637 switch (params->action) { 638 case IEEE80211_AMPDU_TX_START: 639 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 640 case IEEE80211_AMPDU_TX_STOP_CONT: 641 case IEEE80211_AMPDU_TX_STOP_FLUSH: 642 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 643 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 644 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 645 break; 646 case IEEE80211_AMPDU_TX_OPERATIONAL: 647 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 648 break; 649 case IEEE80211_AMPDU_RX_START: 650 case IEEE80211_AMPDU_RX_STOP: 651 break; 652 default: 653 WARN_ON(1); 654 return -ENOTSUPP; 655 } 656 657 return 0; 658 } 659 660 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 661 struct sk_buff *head, 662 struct sk_buff *skb) 663 { 664 struct rtw_dev *rtwdev = hw->priv; 665 struct rtw_hal *hal = &rtwdev->hal; 666 667 /* we don't want to enable TX AMSDU on 2.4G */ 668 if (hal->current_band_type == RTW_BAND_2G) 669 return false; 670 671 return true; 672 } 673 674 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 675 struct ieee80211_vif *vif, 676 const u8 *mac_addr) 677 { 678 struct rtw_dev *rtwdev = hw->priv; 679 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 680 681 mutex_lock(&rtwdev->mutex); 682 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 683 mutex_unlock(&rtwdev->mutex); 684 } 685 686 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 687 struct ieee80211_vif *vif) 688 { 689 struct rtw_dev *rtwdev = hw->priv; 690 691 mutex_lock(&rtwdev->mutex); 692 rtw_core_scan_complete(rtwdev, vif, false); 693 mutex_unlock(&rtwdev->mutex); 694 } 695 696 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 697 struct ieee80211_vif *vif, 698 struct ieee80211_prep_tx_info *info) 699 { 700 struct rtw_dev *rtwdev = hw->priv; 701 702 mutex_lock(&rtwdev->mutex); 703 rtw_leave_lps_deep(rtwdev); 704 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 705 rtw_chip_prepare_tx(rtwdev); 706 mutex_unlock(&rtwdev->mutex); 707 } 708 709 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 710 { 711 struct rtw_dev *rtwdev = hw->priv; 712 713 mutex_lock(&rtwdev->mutex); 714 rtwdev->rts_threshold = value; 715 mutex_unlock(&rtwdev->mutex); 716 717 return 0; 718 } 719 720 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 721 struct ieee80211_vif *vif, 722 struct ieee80211_sta *sta, 723 struct station_info *sinfo) 724 { 725 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 726 727 sinfo->txrate = si->ra_report.txrate; 728 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 729 } 730 731 static void rtw_ops_flush(struct ieee80211_hw *hw, 732 struct ieee80211_vif *vif, 733 u32 queues, bool drop) 734 { 735 struct rtw_dev *rtwdev = hw->priv; 736 737 mutex_lock(&rtwdev->mutex); 738 rtw_leave_lps_deep(rtwdev); 739 740 rtw_hci_flush_queues(rtwdev, queues, drop); 741 rtw_mac_flush_queues(rtwdev, queues, drop); 742 mutex_unlock(&rtwdev->mutex); 743 } 744 745 struct rtw_iter_bitrate_mask_data { 746 struct rtw_dev *rtwdev; 747 struct ieee80211_vif *vif; 748 const struct cfg80211_bitrate_mask *mask; 749 }; 750 751 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 752 { 753 struct rtw_iter_bitrate_mask_data *br_data = data; 754 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 755 756 if (si->vif != br_data->vif) 757 return; 758 759 /* free previous mask setting */ 760 kfree(si->mask); 761 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 762 GFP_ATOMIC); 763 if (!si->mask) { 764 si->use_cfg_mask = false; 765 return; 766 } 767 768 si->use_cfg_mask = true; 769 rtw_update_sta_info(br_data->rtwdev, si, true); 770 } 771 772 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 773 struct ieee80211_vif *vif, 774 const struct cfg80211_bitrate_mask *mask) 775 { 776 struct rtw_iter_bitrate_mask_data br_data; 777 778 br_data.rtwdev = rtwdev; 779 br_data.vif = vif; 780 br_data.mask = mask; 781 rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 782 } 783 784 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 785 struct ieee80211_vif *vif, 786 const struct cfg80211_bitrate_mask *mask) 787 { 788 struct rtw_dev *rtwdev = hw->priv; 789 790 mutex_lock(&rtwdev->mutex); 791 rtw_ra_mask_info_update(rtwdev, vif, mask); 792 mutex_unlock(&rtwdev->mutex); 793 794 return 0; 795 } 796 797 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 798 u32 tx_antenna, 799 u32 rx_antenna) 800 { 801 struct rtw_dev *rtwdev = hw->priv; 802 const struct rtw_chip_info *chip = rtwdev->chip; 803 int ret; 804 805 if (!chip->ops->set_antenna) 806 return -EOPNOTSUPP; 807 808 mutex_lock(&rtwdev->mutex); 809 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 810 mutex_unlock(&rtwdev->mutex); 811 812 return ret; 813 } 814 815 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 816 u32 *tx_antenna, 817 u32 *rx_antenna) 818 { 819 struct rtw_dev *rtwdev = hw->priv; 820 struct rtw_hal *hal = &rtwdev->hal; 821 822 *tx_antenna = hal->antenna_tx; 823 *rx_antenna = hal->antenna_rx; 824 825 return 0; 826 } 827 828 #ifdef CONFIG_PM 829 static int rtw_ops_suspend(struct ieee80211_hw *hw, 830 struct cfg80211_wowlan *wowlan) 831 { 832 struct rtw_dev *rtwdev = hw->priv; 833 int ret; 834 835 mutex_lock(&rtwdev->mutex); 836 ret = rtw_wow_suspend(rtwdev, wowlan); 837 if (ret) 838 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 839 mutex_unlock(&rtwdev->mutex); 840 841 return ret ? 1 : 0; 842 } 843 844 static int rtw_ops_resume(struct ieee80211_hw *hw) 845 { 846 struct rtw_dev *rtwdev = hw->priv; 847 int ret; 848 849 mutex_lock(&rtwdev->mutex); 850 ret = rtw_wow_resume(rtwdev); 851 if (ret) 852 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 853 mutex_unlock(&rtwdev->mutex); 854 855 return ret ? 1 : 0; 856 } 857 858 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 859 { 860 struct rtw_dev *rtwdev = hw->priv; 861 862 device_set_wakeup_enable(rtwdev->dev, enabled); 863 } 864 #endif 865 866 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 867 enum ieee80211_reconfig_type reconfig_type) 868 { 869 struct rtw_dev *rtwdev = hw->priv; 870 871 mutex_lock(&rtwdev->mutex); 872 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 873 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 874 mutex_unlock(&rtwdev->mutex); 875 } 876 877 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 878 struct ieee80211_scan_request *req) 879 { 880 struct rtw_dev *rtwdev = hw->priv; 881 int ret; 882 883 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 884 return 1; 885 886 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 887 return -EBUSY; 888 889 mutex_lock(&rtwdev->mutex); 890 rtw_hw_scan_start(rtwdev, vif, req); 891 ret = rtw_hw_scan_offload(rtwdev, vif, true); 892 if (ret) { 893 rtw_hw_scan_abort(rtwdev); 894 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 895 } 896 mutex_unlock(&rtwdev->mutex); 897 898 return ret; 899 } 900 901 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 902 struct ieee80211_vif *vif) 903 { 904 struct rtw_dev *rtwdev = hw->priv; 905 906 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 907 return; 908 909 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 910 return; 911 912 mutex_lock(&rtwdev->mutex); 913 rtw_hw_scan_abort(rtwdev); 914 mutex_unlock(&rtwdev->mutex); 915 } 916 917 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 918 const struct cfg80211_sar_specs *sar) 919 { 920 struct rtw_dev *rtwdev = hw->priv; 921 922 mutex_lock(&rtwdev->mutex); 923 rtw_set_sar_specs(rtwdev, sar); 924 mutex_unlock(&rtwdev->mutex); 925 926 return 0; 927 } 928 929 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 930 struct ieee80211_vif *vif, 931 struct ieee80211_sta *sta, u32 changed) 932 { 933 struct rtw_dev *rtwdev = hw->priv; 934 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 935 936 if (changed & IEEE80211_RC_BW_CHANGED) 937 ieee80211_queue_work(rtwdev->hw, &si->rc_work); 938 } 939 940 const struct ieee80211_ops rtw_ops = { 941 .add_chanctx = ieee80211_emulate_add_chanctx, 942 .remove_chanctx = ieee80211_emulate_remove_chanctx, 943 .change_chanctx = ieee80211_emulate_change_chanctx, 944 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 945 .tx = rtw_ops_tx, 946 .wake_tx_queue = rtw_ops_wake_tx_queue, 947 .start = rtw_ops_start, 948 .stop = rtw_ops_stop, 949 .config = rtw_ops_config, 950 .add_interface = rtw_ops_add_interface, 951 .remove_interface = rtw_ops_remove_interface, 952 .change_interface = rtw_ops_change_interface, 953 .configure_filter = rtw_ops_configure_filter, 954 .bss_info_changed = rtw_ops_bss_info_changed, 955 .start_ap = rtw_ops_start_ap, 956 .stop_ap = rtw_ops_stop_ap, 957 .conf_tx = rtw_ops_conf_tx, 958 .sta_add = rtw_ops_sta_add, 959 .sta_remove = rtw_ops_sta_remove, 960 .set_tim = rtw_ops_set_tim, 961 .set_key = rtw_ops_set_key, 962 .ampdu_action = rtw_ops_ampdu_action, 963 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 964 .sw_scan_start = rtw_ops_sw_scan_start, 965 .sw_scan_complete = rtw_ops_sw_scan_complete, 966 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 967 .set_rts_threshold = rtw_ops_set_rts_threshold, 968 .sta_statistics = rtw_ops_sta_statistics, 969 .flush = rtw_ops_flush, 970 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 971 .set_antenna = rtw_ops_set_antenna, 972 .get_antenna = rtw_ops_get_antenna, 973 .reconfig_complete = rtw_reconfig_complete, 974 .hw_scan = rtw_ops_hw_scan, 975 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 976 .sta_rc_update = rtw_ops_sta_rc_update, 977 .set_sar_specs = rtw_ops_set_sar_specs, 978 #ifdef CONFIG_PM 979 .suspend = rtw_ops_suspend, 980 .resume = rtw_ops_resume, 981 .set_wakeup = rtw_ops_set_wakeup, 982 #endif 983 }; 984 EXPORT_SYMBOL(rtw_ops); 985