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 !test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 106 rtw_enter_ips(rtwdev); 107 108 out: 109 mutex_unlock(&rtwdev->mutex); 110 return ret; 111 } 112 113 static const struct rtw_vif_port rtw_vif_port[] = { 114 [0] = { 115 .mac_addr = {.addr = 0x0610}, 116 .bssid = {.addr = 0x0618}, 117 .net_type = {.addr = 0x0100, .mask = 0x30000}, 118 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 119 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 120 }, 121 [1] = { 122 .mac_addr = {.addr = 0x0700}, 123 .bssid = {.addr = 0x0708}, 124 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 125 .aid = {.addr = 0x0710, .mask = 0x7ff}, 126 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 127 }, 128 [2] = { 129 .mac_addr = {.addr = 0x1620}, 130 .bssid = {.addr = 0x1628}, 131 .net_type = {.addr = 0x1100, .mask = 0x3}, 132 .aid = {.addr = 0x1600, .mask = 0x7ff}, 133 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 134 }, 135 [3] = { 136 .mac_addr = {.addr = 0x1630}, 137 .bssid = {.addr = 0x1638}, 138 .net_type = {.addr = 0x1100, .mask = 0xc}, 139 .aid = {.addr = 0x1604, .mask = 0x7ff}, 140 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 141 }, 142 [4] = { 143 .mac_addr = {.addr = 0x1640}, 144 .bssid = {.addr = 0x1648}, 145 .net_type = {.addr = 0x1100, .mask = 0x30}, 146 .aid = {.addr = 0x1608, .mask = 0x7ff}, 147 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 148 }, 149 }; 150 151 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 152 struct ieee80211_vif *vif) 153 { 154 struct rtw_dev *rtwdev = hw->priv; 155 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 156 enum rtw_net_type net_type; 157 u32 config = 0; 158 u8 port; 159 u8 bcn_ctrl = 0; 160 161 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 162 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 163 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 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 rtw_txq_init(rtwdev, vif->txq); 171 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 172 173 mutex_lock(&rtwdev->mutex); 174 175 port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM); 176 if (port >= RTW_PORT_NUM) 177 return -EINVAL; 178 set_bit(port, rtwdev->hw_port); 179 180 rtwvif->port = port; 181 rtwvif->conf = &rtw_vif_port[port]; 182 rtw_leave_lps_deep(rtwdev); 183 184 switch (vif->type) { 185 case NL80211_IFTYPE_AP: 186 case NL80211_IFTYPE_MESH_POINT: 187 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 188 net_type = RTW_NET_AP_MODE; 189 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 190 break; 191 case NL80211_IFTYPE_ADHOC: 192 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 193 net_type = RTW_NET_AD_HOC; 194 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 195 break; 196 case NL80211_IFTYPE_STATION: 197 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 198 net_type = RTW_NET_NO_LINK; 199 bcn_ctrl = BIT_EN_BCN_FUNCTION; 200 break; 201 default: 202 WARN_ON(1); 203 clear_bit(rtwvif->port, rtwdev->hw_port); 204 mutex_unlock(&rtwdev->mutex); 205 return -EINVAL; 206 } 207 208 ether_addr_copy(rtwvif->mac_addr, vif->addr); 209 config |= PORT_SET_MAC_ADDR; 210 rtwvif->net_type = net_type; 211 config |= PORT_SET_NET_TYPE; 212 rtwvif->bcn_ctrl = bcn_ctrl; 213 config |= PORT_SET_BCN_CTRL; 214 rtw_vif_port_config(rtwdev, rtwvif, config); 215 rtw_core_port_switch(rtwdev, vif); 216 217 mutex_unlock(&rtwdev->mutex); 218 219 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 220 return 0; 221 } 222 223 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 224 struct ieee80211_vif *vif) 225 { 226 struct rtw_dev *rtwdev = hw->priv; 227 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 228 u32 config = 0; 229 230 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 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 clear_bit(rtwvif->port, rtwdev->hw_port); 247 248 mutex_unlock(&rtwdev->mutex); 249 } 250 251 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 252 struct ieee80211_vif *vif, 253 enum nl80211_iftype type, bool p2p) 254 { 255 struct rtw_dev *rtwdev = hw->priv; 256 257 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 258 vif->addr, vif->type, type, vif->p2p, p2p); 259 260 rtw_ops_remove_interface(hw, vif); 261 262 vif->type = type; 263 vif->p2p = p2p; 264 265 return rtw_ops_add_interface(hw, vif); 266 } 267 268 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 269 unsigned int changed_flags, 270 unsigned int *new_flags, 271 u64 multicast) 272 { 273 struct rtw_dev *rtwdev = hw->priv; 274 275 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 276 FIF_BCN_PRBRESP_PROMISC; 277 278 mutex_lock(&rtwdev->mutex); 279 280 rtw_leave_lps_deep(rtwdev); 281 282 if (changed_flags & FIF_ALLMULTI) { 283 if (*new_flags & FIF_ALLMULTI) 284 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 285 else 286 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 287 } 288 if (changed_flags & FIF_FCSFAIL) { 289 if (*new_flags & FIF_FCSFAIL) 290 rtwdev->hal.rcr |= BIT_ACRC32; 291 else 292 rtwdev->hal.rcr &= ~(BIT_ACRC32); 293 } 294 if (changed_flags & FIF_OTHER_BSS) { 295 if (*new_flags & FIF_OTHER_BSS) 296 rtwdev->hal.rcr |= BIT_AAP; 297 else 298 rtwdev->hal.rcr &= ~(BIT_AAP); 299 } 300 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 301 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 302 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 303 else 304 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 305 } 306 307 rtw_dbg(rtwdev, RTW_DBG_RX, 308 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 309 changed_flags, *new_flags, rtwdev->hal.rcr); 310 311 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 312 313 mutex_unlock(&rtwdev->mutex); 314 } 315 316 /* Only have one group of EDCA parameters now */ 317 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 318 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 319 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 320 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 321 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 322 }; 323 324 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 325 struct rtw_vif *rtwvif, u8 aifsn) 326 { 327 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 328 u8 slot_time; 329 u8 sifs; 330 331 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 332 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 333 334 return aifsn * slot_time + sifs; 335 } 336 337 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 338 struct rtw_vif *rtwvif, u16 ac) 339 { 340 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 341 u32 edca_param = ac_to_edca_param[ac]; 342 u8 ecw_max, ecw_min; 343 u8 aifs; 344 345 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 346 ecw_max = ilog2(params->cw_max + 1); 347 ecw_min = ilog2(params->cw_min + 1); 348 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 349 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 350 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 351 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 352 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 353 } 354 355 static void rtw_conf_tx(struct rtw_dev *rtwdev, 356 struct rtw_vif *rtwvif) 357 { 358 u16 ac; 359 360 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 361 __rtw_conf_tx(rtwdev, rtwvif, ac); 362 } 363 364 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 365 struct ieee80211_vif *vif, 366 struct ieee80211_bss_conf *conf, 367 u64 changed) 368 { 369 struct rtw_dev *rtwdev = hw->priv; 370 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 371 struct rtw_coex *coex = &rtwdev->coex; 372 struct rtw_coex_stat *coex_stat = &coex->stat; 373 u32 config = 0; 374 375 mutex_lock(&rtwdev->mutex); 376 377 rtw_leave_lps_deep(rtwdev); 378 379 if (changed & BSS_CHANGED_ASSOC) { 380 rtw_vif_assoc_changed(rtwvif, conf); 381 if (vif->cfg.assoc) { 382 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 383 384 rtw_fw_download_rsvd_page(rtwdev); 385 rtw_send_rsvd_page_h2c(rtwdev); 386 rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); 387 if (rtw_bf_support) 388 rtw_bf_assoc(rtwdev, vif, conf); 389 } else { 390 rtw_leave_lps(rtwdev); 391 rtw_bf_disassoc(rtwdev, vif, conf); 392 /* Abort ongoing scan if cancel_scan isn't issued 393 * when disconnected by peer 394 */ 395 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 396 rtw_hw_scan_abort(rtwdev); 397 398 } 399 400 config |= PORT_SET_NET_TYPE; 401 config |= PORT_SET_AID; 402 } 403 404 if (changed & BSS_CHANGED_BSSID) { 405 ether_addr_copy(rtwvif->bssid, conf->bssid); 406 config |= PORT_SET_BSSID; 407 if (!rtw_core_check_sta_active(rtwdev)) 408 rtw_clear_op_chan(rtwdev); 409 else 410 rtw_store_op_chan(rtwdev, true); 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 rtw_send_rsvd_page_h2c(rtwdev); 422 } 423 424 if (changed & BSS_CHANGED_BEACON_ENABLED) { 425 if (conf->enable_beacon) 426 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 427 BIT_EN_BCNQ_DL); 428 else 429 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 430 BIT_EN_BCNQ_DL); 431 } 432 if (changed & BSS_CHANGED_CQM) 433 rtw_fw_beacon_filter_config(rtwdev, true, vif); 434 435 if (changed & BSS_CHANGED_MU_GROUPS) 436 rtw_chip_set_gid_table(rtwdev, vif, conf); 437 438 if (changed & BSS_CHANGED_ERP_SLOT) 439 rtw_conf_tx(rtwdev, rtwvif); 440 441 rtw_vif_port_config(rtwdev, rtwvif, config); 442 443 mutex_unlock(&rtwdev->mutex); 444 } 445 446 static int rtw_ops_start_ap(struct ieee80211_hw *hw, 447 struct ieee80211_vif *vif, 448 struct ieee80211_bss_conf *link_conf) 449 { 450 struct rtw_dev *rtwdev = hw->priv; 451 const struct rtw_chip_info *chip = rtwdev->chip; 452 453 mutex_lock(&rtwdev->mutex); 454 rtwdev->ap_active = true; 455 rtw_store_op_chan(rtwdev, true); 456 chip->ops->phy_calibration(rtwdev); 457 mutex_unlock(&rtwdev->mutex); 458 459 return 0; 460 } 461 462 static void rtw_ops_stop_ap(struct ieee80211_hw *hw, 463 struct ieee80211_vif *vif, 464 struct ieee80211_bss_conf *link_conf) 465 { 466 struct rtw_dev *rtwdev = hw->priv; 467 468 mutex_lock(&rtwdev->mutex); 469 rtwdev->ap_active = false; 470 if (!rtw_core_check_sta_active(rtwdev)) 471 rtw_clear_op_chan(rtwdev); 472 mutex_unlock(&rtwdev->mutex); 473 } 474 475 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 476 struct ieee80211_vif *vif, 477 unsigned int link_id, u16 ac, 478 const struct ieee80211_tx_queue_params *params) 479 { 480 struct rtw_dev *rtwdev = hw->priv; 481 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 482 483 mutex_lock(&rtwdev->mutex); 484 485 rtw_leave_lps_deep(rtwdev); 486 487 rtwvif->tx_params[ac] = *params; 488 __rtw_conf_tx(rtwdev, rtwvif, ac); 489 490 mutex_unlock(&rtwdev->mutex); 491 492 return 0; 493 } 494 495 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 496 struct ieee80211_vif *vif, 497 struct ieee80211_sta *sta) 498 { 499 struct rtw_dev *rtwdev = hw->priv; 500 int ret = 0; 501 502 mutex_lock(&rtwdev->mutex); 503 ret = rtw_sta_add(rtwdev, sta, vif); 504 mutex_unlock(&rtwdev->mutex); 505 506 return ret; 507 } 508 509 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 510 struct ieee80211_vif *vif, 511 struct ieee80211_sta *sta) 512 { 513 struct rtw_dev *rtwdev = hw->priv; 514 515 mutex_lock(&rtwdev->mutex); 516 rtw_fw_beacon_filter_config(rtwdev, false, vif); 517 rtw_sta_remove(rtwdev, sta, true); 518 mutex_unlock(&rtwdev->mutex); 519 520 return 0; 521 } 522 523 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 524 bool set) 525 { 526 struct rtw_dev *rtwdev = hw->priv; 527 528 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 529 530 return 0; 531 } 532 533 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 534 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 535 struct ieee80211_key_conf *key) 536 { 537 struct rtw_dev *rtwdev = hw->priv; 538 struct rtw_sec_desc *sec = &rtwdev->sec; 539 u8 hw_key_type; 540 u8 hw_key_idx; 541 int ret = 0; 542 543 switch (key->cipher) { 544 case WLAN_CIPHER_SUITE_WEP40: 545 hw_key_type = RTW_CAM_WEP40; 546 break; 547 case WLAN_CIPHER_SUITE_WEP104: 548 hw_key_type = RTW_CAM_WEP104; 549 break; 550 case WLAN_CIPHER_SUITE_TKIP: 551 hw_key_type = RTW_CAM_TKIP; 552 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 553 break; 554 case WLAN_CIPHER_SUITE_CCMP: 555 hw_key_type = RTW_CAM_AES; 556 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 557 break; 558 case WLAN_CIPHER_SUITE_AES_CMAC: 559 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 560 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 561 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 562 case WLAN_CIPHER_SUITE_CCMP_256: 563 case WLAN_CIPHER_SUITE_GCMP: 564 case WLAN_CIPHER_SUITE_GCMP_256: 565 /* suppress error messages */ 566 return -EOPNOTSUPP; 567 default: 568 return -ENOTSUPP; 569 } 570 571 mutex_lock(&rtwdev->mutex); 572 573 rtw_leave_lps_deep(rtwdev); 574 575 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 576 hw_key_idx = rtw_sec_get_free_cam(sec); 577 } else { 578 /* multiple interfaces? */ 579 hw_key_idx = key->keyidx; 580 } 581 582 if (hw_key_idx > sec->total_cam_num) { 583 ret = -ENOSPC; 584 goto out; 585 } 586 587 switch (cmd) { 588 case SET_KEY: 589 /* need sw generated IV */ 590 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 591 key->hw_key_idx = hw_key_idx; 592 rtw_sec_write_cam(rtwdev, sec, sta, key, 593 hw_key_type, hw_key_idx); 594 break; 595 case DISABLE_KEY: 596 rtw_hci_flush_all_queues(rtwdev, false); 597 rtw_mac_flush_all_queues(rtwdev, false); 598 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 599 break; 600 } 601 602 /* download new cam settings for PG to backup */ 603 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 604 rtw_fw_download_rsvd_page(rtwdev); 605 606 out: 607 mutex_unlock(&rtwdev->mutex); 608 609 return ret; 610 } 611 612 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 613 struct ieee80211_vif *vif, 614 struct ieee80211_ampdu_params *params) 615 { 616 struct ieee80211_sta *sta = params->sta; 617 u16 tid = params->tid; 618 struct ieee80211_txq *txq = sta->txq[tid]; 619 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 620 621 switch (params->action) { 622 case IEEE80211_AMPDU_TX_START: 623 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 624 case IEEE80211_AMPDU_TX_STOP_CONT: 625 case IEEE80211_AMPDU_TX_STOP_FLUSH: 626 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 627 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 628 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 629 break; 630 case IEEE80211_AMPDU_TX_OPERATIONAL: 631 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 632 break; 633 case IEEE80211_AMPDU_RX_START: 634 case IEEE80211_AMPDU_RX_STOP: 635 break; 636 default: 637 WARN_ON(1); 638 return -ENOTSUPP; 639 } 640 641 return 0; 642 } 643 644 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 645 struct sk_buff *head, 646 struct sk_buff *skb) 647 { 648 struct rtw_dev *rtwdev = hw->priv; 649 struct rtw_hal *hal = &rtwdev->hal; 650 651 /* we don't want to enable TX AMSDU on 2.4G */ 652 if (hal->current_band_type == RTW_BAND_2G) 653 return false; 654 655 return true; 656 } 657 658 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 659 struct ieee80211_vif *vif, 660 const u8 *mac_addr) 661 { 662 struct rtw_dev *rtwdev = hw->priv; 663 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 664 665 mutex_lock(&rtwdev->mutex); 666 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 667 mutex_unlock(&rtwdev->mutex); 668 } 669 670 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 671 struct ieee80211_vif *vif) 672 { 673 struct rtw_dev *rtwdev = hw->priv; 674 675 mutex_lock(&rtwdev->mutex); 676 rtw_core_scan_complete(rtwdev, vif, false); 677 mutex_unlock(&rtwdev->mutex); 678 } 679 680 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 681 struct ieee80211_vif *vif, 682 struct ieee80211_prep_tx_info *info) 683 { 684 struct rtw_dev *rtwdev = hw->priv; 685 686 mutex_lock(&rtwdev->mutex); 687 rtw_leave_lps_deep(rtwdev); 688 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 689 rtw_chip_prepare_tx(rtwdev); 690 mutex_unlock(&rtwdev->mutex); 691 } 692 693 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 694 { 695 struct rtw_dev *rtwdev = hw->priv; 696 697 mutex_lock(&rtwdev->mutex); 698 rtwdev->rts_threshold = value; 699 mutex_unlock(&rtwdev->mutex); 700 701 return 0; 702 } 703 704 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 705 struct ieee80211_vif *vif, 706 struct ieee80211_sta *sta, 707 struct station_info *sinfo) 708 { 709 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 710 711 sinfo->txrate = si->ra_report.txrate; 712 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 713 } 714 715 static void rtw_ops_flush(struct ieee80211_hw *hw, 716 struct ieee80211_vif *vif, 717 u32 queues, bool drop) 718 { 719 struct rtw_dev *rtwdev = hw->priv; 720 721 mutex_lock(&rtwdev->mutex); 722 rtw_leave_lps_deep(rtwdev); 723 724 rtw_hci_flush_queues(rtwdev, queues, drop); 725 rtw_mac_flush_queues(rtwdev, queues, drop); 726 mutex_unlock(&rtwdev->mutex); 727 } 728 729 struct rtw_iter_bitrate_mask_data { 730 struct rtw_dev *rtwdev; 731 struct ieee80211_vif *vif; 732 const struct cfg80211_bitrate_mask *mask; 733 }; 734 735 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 736 { 737 struct rtw_iter_bitrate_mask_data *br_data = data; 738 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 739 740 if (si->vif != br_data->vif) 741 return; 742 743 /* free previous mask setting */ 744 kfree(si->mask); 745 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 746 GFP_ATOMIC); 747 if (!si->mask) { 748 si->use_cfg_mask = false; 749 return; 750 } 751 752 si->use_cfg_mask = true; 753 rtw_update_sta_info(br_data->rtwdev, si, true); 754 } 755 756 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 757 struct ieee80211_vif *vif, 758 const struct cfg80211_bitrate_mask *mask) 759 { 760 struct rtw_iter_bitrate_mask_data br_data; 761 762 br_data.rtwdev = rtwdev; 763 br_data.vif = vif; 764 br_data.mask = mask; 765 rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 766 } 767 768 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 769 struct ieee80211_vif *vif, 770 const struct cfg80211_bitrate_mask *mask) 771 { 772 struct rtw_dev *rtwdev = hw->priv; 773 774 mutex_lock(&rtwdev->mutex); 775 rtw_ra_mask_info_update(rtwdev, vif, mask); 776 mutex_unlock(&rtwdev->mutex); 777 778 return 0; 779 } 780 781 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 782 u32 tx_antenna, 783 u32 rx_antenna) 784 { 785 struct rtw_dev *rtwdev = hw->priv; 786 const struct rtw_chip_info *chip = rtwdev->chip; 787 int ret; 788 789 if (!chip->ops->set_antenna) 790 return -EOPNOTSUPP; 791 792 mutex_lock(&rtwdev->mutex); 793 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 794 mutex_unlock(&rtwdev->mutex); 795 796 return ret; 797 } 798 799 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 800 u32 *tx_antenna, 801 u32 *rx_antenna) 802 { 803 struct rtw_dev *rtwdev = hw->priv; 804 struct rtw_hal *hal = &rtwdev->hal; 805 806 *tx_antenna = hal->antenna_tx; 807 *rx_antenna = hal->antenna_rx; 808 809 return 0; 810 } 811 812 #ifdef CONFIG_PM 813 static int rtw_ops_suspend(struct ieee80211_hw *hw, 814 struct cfg80211_wowlan *wowlan) 815 { 816 struct rtw_dev *rtwdev = hw->priv; 817 int ret; 818 819 mutex_lock(&rtwdev->mutex); 820 ret = rtw_wow_suspend(rtwdev, wowlan); 821 if (ret) 822 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 823 mutex_unlock(&rtwdev->mutex); 824 825 return ret ? 1 : 0; 826 } 827 828 static int rtw_ops_resume(struct ieee80211_hw *hw) 829 { 830 struct rtw_dev *rtwdev = hw->priv; 831 int ret; 832 833 mutex_lock(&rtwdev->mutex); 834 ret = rtw_wow_resume(rtwdev); 835 if (ret) 836 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 837 mutex_unlock(&rtwdev->mutex); 838 839 return ret ? 1 : 0; 840 } 841 842 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 843 { 844 struct rtw_dev *rtwdev = hw->priv; 845 846 device_set_wakeup_enable(rtwdev->dev, enabled); 847 } 848 #endif 849 850 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 851 enum ieee80211_reconfig_type reconfig_type) 852 { 853 struct rtw_dev *rtwdev = hw->priv; 854 855 mutex_lock(&rtwdev->mutex); 856 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 857 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 858 mutex_unlock(&rtwdev->mutex); 859 } 860 861 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 862 struct ieee80211_scan_request *req) 863 { 864 struct rtw_dev *rtwdev = hw->priv; 865 int ret; 866 867 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 868 return 1; 869 870 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 871 return -EBUSY; 872 873 mutex_lock(&rtwdev->mutex); 874 rtw_hw_scan_start(rtwdev, vif, req); 875 ret = rtw_hw_scan_offload(rtwdev, vif, true); 876 if (ret) { 877 rtw_hw_scan_abort(rtwdev); 878 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 879 } 880 mutex_unlock(&rtwdev->mutex); 881 882 return ret; 883 } 884 885 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 886 struct ieee80211_vif *vif) 887 { 888 struct rtw_dev *rtwdev = hw->priv; 889 890 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 891 return; 892 893 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 894 return; 895 896 mutex_lock(&rtwdev->mutex); 897 rtw_hw_scan_abort(rtwdev); 898 mutex_unlock(&rtwdev->mutex); 899 } 900 901 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 902 const struct cfg80211_sar_specs *sar) 903 { 904 struct rtw_dev *rtwdev = hw->priv; 905 906 mutex_lock(&rtwdev->mutex); 907 rtw_set_sar_specs(rtwdev, sar); 908 mutex_unlock(&rtwdev->mutex); 909 910 return 0; 911 } 912 913 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 914 struct ieee80211_vif *vif, 915 struct ieee80211_sta *sta, u32 changed) 916 { 917 struct rtw_dev *rtwdev = hw->priv; 918 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 919 920 if (changed & IEEE80211_RC_BW_CHANGED) 921 ieee80211_queue_work(rtwdev->hw, &si->rc_work); 922 } 923 924 const struct ieee80211_ops rtw_ops = { 925 .tx = rtw_ops_tx, 926 .wake_tx_queue = rtw_ops_wake_tx_queue, 927 .start = rtw_ops_start, 928 .stop = rtw_ops_stop, 929 .config = rtw_ops_config, 930 .add_interface = rtw_ops_add_interface, 931 .remove_interface = rtw_ops_remove_interface, 932 .change_interface = rtw_ops_change_interface, 933 .configure_filter = rtw_ops_configure_filter, 934 .bss_info_changed = rtw_ops_bss_info_changed, 935 .start_ap = rtw_ops_start_ap, 936 .stop_ap = rtw_ops_stop_ap, 937 .conf_tx = rtw_ops_conf_tx, 938 .sta_add = rtw_ops_sta_add, 939 .sta_remove = rtw_ops_sta_remove, 940 .set_tim = rtw_ops_set_tim, 941 .set_key = rtw_ops_set_key, 942 .ampdu_action = rtw_ops_ampdu_action, 943 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 944 .sw_scan_start = rtw_ops_sw_scan_start, 945 .sw_scan_complete = rtw_ops_sw_scan_complete, 946 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 947 .set_rts_threshold = rtw_ops_set_rts_threshold, 948 .sta_statistics = rtw_ops_sta_statistics, 949 .flush = rtw_ops_flush, 950 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 951 .set_antenna = rtw_ops_set_antenna, 952 .get_antenna = rtw_ops_get_antenna, 953 .reconfig_complete = rtw_reconfig_complete, 954 .hw_scan = rtw_ops_hw_scan, 955 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 956 .sta_rc_update = rtw_ops_sta_rc_update, 957 .set_sar_specs = rtw_ops_set_sar_specs, 958 #ifdef CONFIG_PM 959 .suspend = rtw_ops_suspend, 960 .resume = rtw_ops_resume, 961 .set_wakeup = rtw_ops_set_wakeup, 962 #endif 963 }; 964 EXPORT_SYMBOL(rtw_ops); 965