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) 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 port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM); 171 if (port >= RTW_PORT_NUM) { 172 mutex_unlock(&rtwdev->mutex); 173 return -EINVAL; 174 } 175 set_bit(port, rtwdev->hw_port); 176 177 rtwvif->port = port; 178 rtwvif->conf = &rtw_vif_port[port]; 179 rtw_leave_lps_deep(rtwdev); 180 181 switch (vif->type) { 182 case NL80211_IFTYPE_AP: 183 case NL80211_IFTYPE_MESH_POINT: 184 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 185 net_type = RTW_NET_AP_MODE; 186 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 187 break; 188 case NL80211_IFTYPE_ADHOC: 189 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 190 net_type = RTW_NET_AD_HOC; 191 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 192 break; 193 case NL80211_IFTYPE_STATION: 194 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 195 net_type = RTW_NET_NO_LINK; 196 bcn_ctrl = BIT_EN_BCN_FUNCTION; 197 break; 198 default: 199 WARN_ON(1); 200 clear_bit(rtwvif->port, rtwdev->hw_port); 201 mutex_unlock(&rtwdev->mutex); 202 return -EINVAL; 203 } 204 205 ether_addr_copy(rtwvif->mac_addr, vif->addr); 206 config |= PORT_SET_MAC_ADDR; 207 rtwvif->net_type = net_type; 208 config |= PORT_SET_NET_TYPE; 209 rtwvif->bcn_ctrl = bcn_ctrl; 210 config |= PORT_SET_BCN_CTRL; 211 rtw_vif_port_config(rtwdev, rtwvif, config); 212 rtw_core_port_switch(rtwdev, vif); 213 rtw_recalc_lps(rtwdev, vif); 214 215 mutex_unlock(&rtwdev->mutex); 216 217 #if defined(__linux__) 218 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 219 #elif defined(__FreeBSD__) 220 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %6D on port %d\n", vif->addr, ":", rtwvif->port); 221 #endif 222 return 0; 223 } 224 225 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 226 struct ieee80211_vif *vif) 227 { 228 struct rtw_dev *rtwdev = hw->priv; 229 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 230 u32 config = 0; 231 232 #if defined(__linux__) 233 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 234 #elif defined(__FreeBSD__) 235 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %6D on port %d\n", vif->addr, ":", rtwvif->port); 236 #endif 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_recalc_lps(rtwdev, NULL); 254 255 mutex_unlock(&rtwdev->mutex); 256 } 257 258 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 259 struct ieee80211_vif *vif, 260 enum nl80211_iftype type, bool p2p) 261 { 262 struct rtw_dev *rtwdev = hw->priv; 263 264 #if defined(__linux__) 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 #elif defined(__FreeBSD__) 268 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %6D (%d)->(%d), p2p (%d)->(%d)\n", 269 vif->addr, ":", vif->type, type, vif->p2p, p2p); 270 #endif 271 272 rtw_ops_remove_interface(hw, vif); 273 274 vif->type = type; 275 vif->p2p = p2p; 276 277 return rtw_ops_add_interface(hw, vif); 278 } 279 280 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 281 unsigned int changed_flags, 282 unsigned int *new_flags, 283 u64 multicast) 284 { 285 struct rtw_dev *rtwdev = hw->priv; 286 287 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 288 FIF_BCN_PRBRESP_PROMISC; 289 290 mutex_lock(&rtwdev->mutex); 291 292 rtw_leave_lps_deep(rtwdev); 293 294 if (changed_flags & FIF_ALLMULTI) { 295 if (*new_flags & FIF_ALLMULTI) 296 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 297 else 298 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 299 } 300 if (changed_flags & FIF_FCSFAIL) { 301 if (*new_flags & FIF_FCSFAIL) 302 rtwdev->hal.rcr |= BIT_ACRC32; 303 else 304 rtwdev->hal.rcr &= ~(BIT_ACRC32); 305 } 306 if (changed_flags & FIF_OTHER_BSS) { 307 if (*new_flags & FIF_OTHER_BSS) 308 rtwdev->hal.rcr |= BIT_AAP; 309 else 310 rtwdev->hal.rcr &= ~(BIT_AAP); 311 } 312 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 313 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 314 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 315 else 316 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 317 } 318 319 rtw_dbg(rtwdev, RTW_DBG_RX, 320 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 321 changed_flags, *new_flags, rtwdev->hal.rcr); 322 323 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 324 325 mutex_unlock(&rtwdev->mutex); 326 } 327 328 /* Only have one group of EDCA parameters now */ 329 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 330 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 331 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 332 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 333 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 334 }; 335 336 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 337 struct rtw_vif *rtwvif, u8 aifsn) 338 { 339 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 340 u8 slot_time; 341 u8 sifs; 342 343 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 344 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 345 346 return aifsn * slot_time + sifs; 347 } 348 349 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 350 struct rtw_vif *rtwvif, u16 ac) 351 { 352 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 353 u32 edca_param = ac_to_edca_param[ac]; 354 u8 ecw_max, ecw_min; 355 u8 aifs; 356 357 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 358 ecw_max = ilog2(params->cw_max + 1); 359 ecw_min = ilog2(params->cw_min + 1); 360 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 361 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 362 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 363 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 364 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 365 } 366 367 static void rtw_conf_tx(struct rtw_dev *rtwdev, 368 struct rtw_vif *rtwvif) 369 { 370 u16 ac; 371 372 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 373 __rtw_conf_tx(rtwdev, rtwvif, ac); 374 } 375 376 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 377 struct ieee80211_vif *vif, 378 struct ieee80211_bss_conf *conf, 379 u64 changed) 380 { 381 struct rtw_dev *rtwdev = hw->priv; 382 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 383 struct rtw_coex *coex = &rtwdev->coex; 384 struct rtw_coex_stat *coex_stat = &coex->stat; 385 u32 config = 0; 386 387 mutex_lock(&rtwdev->mutex); 388 389 rtw_leave_lps_deep(rtwdev); 390 391 if (changed & BSS_CHANGED_ASSOC) { 392 rtw_vif_assoc_changed(rtwvif, conf); 393 if (vif->cfg.assoc) { 394 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 395 396 rtw_fw_download_rsvd_page(rtwdev); 397 rtw_send_rsvd_page_h2c(rtwdev); 398 rtw_fw_default_port(rtwdev, rtwvif); 399 rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); 400 if (rtw_bf_support) 401 rtw_bf_assoc(rtwdev, vif, conf); 402 } else { 403 rtw_leave_lps(rtwdev); 404 rtw_bf_disassoc(rtwdev, vif, conf); 405 /* Abort ongoing scan if cancel_scan isn't issued 406 * when disconnected by peer 407 */ 408 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 409 rtw_hw_scan_abort(rtwdev); 410 411 } 412 413 config |= PORT_SET_NET_TYPE; 414 config |= PORT_SET_AID; 415 } 416 417 if (changed & BSS_CHANGED_BSSID) { 418 ether_addr_copy(rtwvif->bssid, conf->bssid); 419 config |= PORT_SET_BSSID; 420 if (!rtw_core_check_sta_active(rtwdev)) 421 rtw_clear_op_chan(rtwdev); 422 else 423 rtw_store_op_chan(rtwdev, true); 424 } 425 426 if (changed & BSS_CHANGED_BEACON_INT) { 427 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 428 coex_stat->wl_beacon_interval = conf->beacon_int; 429 } 430 431 if (changed & BSS_CHANGED_BEACON) { 432 rtw_set_dtim_period(rtwdev, conf->dtim_period); 433 rtw_fw_download_rsvd_page(rtwdev); 434 rtw_send_rsvd_page_h2c(rtwdev); 435 } 436 437 if (changed & BSS_CHANGED_BEACON_ENABLED) { 438 if (conf->enable_beacon) 439 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 440 BIT_EN_BCNQ_DL); 441 else 442 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 443 BIT_EN_BCNQ_DL); 444 } 445 if (changed & BSS_CHANGED_CQM) 446 rtw_fw_beacon_filter_config(rtwdev, true, vif); 447 448 if (changed & BSS_CHANGED_MU_GROUPS) 449 rtw_chip_set_gid_table(rtwdev, vif, conf); 450 451 if (changed & BSS_CHANGED_ERP_SLOT) 452 rtw_conf_tx(rtwdev, rtwvif); 453 454 if (changed & BSS_CHANGED_PS) 455 rtw_recalc_lps(rtwdev, NULL); 456 457 rtw_vif_port_config(rtwdev, rtwvif, config); 458 459 mutex_unlock(&rtwdev->mutex); 460 } 461 462 static int rtw_ops_start_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 const struct rtw_chip_info *chip = rtwdev->chip; 468 469 mutex_lock(&rtwdev->mutex); 470 rtw_write32_set(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD); 471 rtwdev->ap_active = true; 472 rtw_store_op_chan(rtwdev, true); 473 chip->ops->phy_calibration(rtwdev); 474 mutex_unlock(&rtwdev->mutex); 475 476 return 0; 477 } 478 479 static void rtw_ops_stop_ap(struct ieee80211_hw *hw, 480 struct ieee80211_vif *vif, 481 struct ieee80211_bss_conf *link_conf) 482 { 483 struct rtw_dev *rtwdev = hw->priv; 484 485 mutex_lock(&rtwdev->mutex); 486 rtw_write32_clr(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD); 487 rtwdev->ap_active = false; 488 if (!rtw_core_check_sta_active(rtwdev)) 489 rtw_clear_op_chan(rtwdev); 490 mutex_unlock(&rtwdev->mutex); 491 } 492 493 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 494 struct ieee80211_vif *vif, 495 unsigned int link_id, u16 ac, 496 const struct ieee80211_tx_queue_params *params) 497 { 498 struct rtw_dev *rtwdev = hw->priv; 499 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 500 501 mutex_lock(&rtwdev->mutex); 502 503 rtw_leave_lps_deep(rtwdev); 504 505 rtwvif->tx_params[ac] = *params; 506 __rtw_conf_tx(rtwdev, rtwvif, ac); 507 508 mutex_unlock(&rtwdev->mutex); 509 510 return 0; 511 } 512 513 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 514 struct ieee80211_vif *vif, 515 struct ieee80211_sta *sta) 516 { 517 struct rtw_dev *rtwdev = hw->priv; 518 int ret = 0; 519 520 mutex_lock(&rtwdev->mutex); 521 ret = rtw_sta_add(rtwdev, sta, vif); 522 mutex_unlock(&rtwdev->mutex); 523 524 return ret; 525 } 526 527 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 528 struct ieee80211_vif *vif, 529 struct ieee80211_sta *sta) 530 { 531 struct rtw_dev *rtwdev = hw->priv; 532 533 mutex_lock(&rtwdev->mutex); 534 rtw_fw_beacon_filter_config(rtwdev, false, vif); 535 rtw_sta_remove(rtwdev, sta, true); 536 mutex_unlock(&rtwdev->mutex); 537 538 return 0; 539 } 540 541 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 542 bool set) 543 { 544 struct rtw_dev *rtwdev = hw->priv; 545 546 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 547 548 return 0; 549 } 550 551 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 552 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 553 struct ieee80211_key_conf *key) 554 { 555 struct rtw_dev *rtwdev = hw->priv; 556 struct rtw_sec_desc *sec = &rtwdev->sec; 557 u8 hw_key_type; 558 u8 hw_key_idx; 559 int ret = 0; 560 561 switch (key->cipher) { 562 case WLAN_CIPHER_SUITE_WEP40: 563 hw_key_type = RTW_CAM_WEP40; 564 break; 565 case WLAN_CIPHER_SUITE_WEP104: 566 hw_key_type = RTW_CAM_WEP104; 567 break; 568 case WLAN_CIPHER_SUITE_TKIP: 569 hw_key_type = RTW_CAM_TKIP; 570 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 571 break; 572 case WLAN_CIPHER_SUITE_CCMP: 573 hw_key_type = RTW_CAM_AES; 574 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 575 break; 576 case WLAN_CIPHER_SUITE_AES_CMAC: 577 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 578 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 579 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 580 case WLAN_CIPHER_SUITE_CCMP_256: 581 case WLAN_CIPHER_SUITE_GCMP: 582 case WLAN_CIPHER_SUITE_GCMP_256: 583 /* suppress error messages */ 584 return -EOPNOTSUPP; 585 default: 586 return -ENOTSUPP; 587 } 588 589 mutex_lock(&rtwdev->mutex); 590 591 rtw_leave_lps_deep(rtwdev); 592 593 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 594 hw_key_idx = rtw_sec_get_free_cam(sec); 595 } else { 596 /* multiple interfaces? */ 597 hw_key_idx = key->keyidx; 598 } 599 600 if (hw_key_idx > sec->total_cam_num) { 601 ret = -ENOSPC; 602 goto out; 603 } 604 605 switch (cmd) { 606 case SET_KEY: 607 /* need sw generated IV */ 608 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 609 key->hw_key_idx = hw_key_idx; 610 rtw_sec_write_cam(rtwdev, sec, sta, key, 611 hw_key_type, hw_key_idx); 612 break; 613 case DISABLE_KEY: 614 rtw_hci_flush_all_queues(rtwdev, false); 615 rtw_mac_flush_all_queues(rtwdev, false); 616 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 617 break; 618 } 619 620 /* download new cam settings for PG to backup */ 621 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 622 rtw_fw_download_rsvd_page(rtwdev); 623 624 out: 625 mutex_unlock(&rtwdev->mutex); 626 627 return ret; 628 } 629 630 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 631 struct ieee80211_vif *vif, 632 struct ieee80211_ampdu_params *params) 633 { 634 struct ieee80211_sta *sta = params->sta; 635 u16 tid = params->tid; 636 struct ieee80211_txq *txq = sta->txq[tid]; 637 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 638 639 switch (params->action) { 640 case IEEE80211_AMPDU_TX_START: 641 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 642 case IEEE80211_AMPDU_TX_STOP_CONT: 643 case IEEE80211_AMPDU_TX_STOP_FLUSH: 644 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 645 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 646 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 647 break; 648 case IEEE80211_AMPDU_TX_OPERATIONAL: 649 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 650 break; 651 case IEEE80211_AMPDU_RX_START: 652 case IEEE80211_AMPDU_RX_STOP: 653 break; 654 default: 655 WARN_ON(1); 656 return -ENOTSUPP; 657 } 658 659 return 0; 660 } 661 662 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 663 struct sk_buff *head, 664 struct sk_buff *skb) 665 { 666 struct rtw_dev *rtwdev = hw->priv; 667 struct rtw_hal *hal = &rtwdev->hal; 668 669 /* we don't want to enable TX AMSDU on 2.4G */ 670 if (hal->current_band_type == RTW_BAND_2G) 671 return false; 672 673 return true; 674 } 675 676 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 677 struct ieee80211_vif *vif, 678 const u8 *mac_addr) 679 { 680 struct rtw_dev *rtwdev = hw->priv; 681 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 682 683 mutex_lock(&rtwdev->mutex); 684 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 685 mutex_unlock(&rtwdev->mutex); 686 } 687 688 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 689 struct ieee80211_vif *vif) 690 { 691 struct rtw_dev *rtwdev = hw->priv; 692 693 mutex_lock(&rtwdev->mutex); 694 rtw_core_scan_complete(rtwdev, vif, false); 695 mutex_unlock(&rtwdev->mutex); 696 } 697 698 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 699 struct ieee80211_vif *vif, 700 struct ieee80211_prep_tx_info *info) 701 { 702 struct rtw_dev *rtwdev = hw->priv; 703 704 mutex_lock(&rtwdev->mutex); 705 rtw_leave_lps_deep(rtwdev); 706 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 707 rtw_chip_prepare_tx(rtwdev); 708 mutex_unlock(&rtwdev->mutex); 709 } 710 711 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 712 { 713 struct rtw_dev *rtwdev = hw->priv; 714 715 mutex_lock(&rtwdev->mutex); 716 rtwdev->rts_threshold = value; 717 mutex_unlock(&rtwdev->mutex); 718 719 return 0; 720 } 721 722 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 723 struct ieee80211_vif *vif, 724 struct ieee80211_sta *sta, 725 struct station_info *sinfo) 726 { 727 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 728 729 sinfo->txrate = si->ra_report.txrate; 730 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 731 } 732 733 static void rtw_ops_flush(struct ieee80211_hw *hw, 734 struct ieee80211_vif *vif, 735 u32 queues, bool drop) 736 { 737 struct rtw_dev *rtwdev = hw->priv; 738 739 mutex_lock(&rtwdev->mutex); 740 rtw_leave_lps_deep(rtwdev); 741 742 rtw_hci_flush_queues(rtwdev, queues, drop); 743 rtw_mac_flush_queues(rtwdev, queues, drop); 744 mutex_unlock(&rtwdev->mutex); 745 } 746 747 struct rtw_iter_bitrate_mask_data { 748 struct rtw_dev *rtwdev; 749 struct ieee80211_vif *vif; 750 const struct cfg80211_bitrate_mask *mask; 751 }; 752 753 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 754 { 755 struct rtw_iter_bitrate_mask_data *br_data = data; 756 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 757 758 if (si->vif != br_data->vif) 759 return; 760 761 /* free previous mask setting */ 762 kfree(si->mask); 763 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 764 GFP_ATOMIC); 765 if (!si->mask) { 766 si->use_cfg_mask = false; 767 return; 768 } 769 770 si->use_cfg_mask = true; 771 rtw_update_sta_info(br_data->rtwdev, si, true); 772 } 773 774 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 775 struct ieee80211_vif *vif, 776 const struct cfg80211_bitrate_mask *mask) 777 { 778 struct rtw_iter_bitrate_mask_data br_data; 779 780 br_data.rtwdev = rtwdev; 781 br_data.vif = vif; 782 br_data.mask = mask; 783 rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 784 } 785 786 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 787 struct ieee80211_vif *vif, 788 const struct cfg80211_bitrate_mask *mask) 789 { 790 struct rtw_dev *rtwdev = hw->priv; 791 792 mutex_lock(&rtwdev->mutex); 793 rtw_ra_mask_info_update(rtwdev, vif, mask); 794 mutex_unlock(&rtwdev->mutex); 795 796 return 0; 797 } 798 799 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 800 u32 tx_antenna, 801 u32 rx_antenna) 802 { 803 struct rtw_dev *rtwdev = hw->priv; 804 const struct rtw_chip_info *chip = rtwdev->chip; 805 int ret; 806 807 if (!chip->ops->set_antenna) 808 return -EOPNOTSUPP; 809 810 mutex_lock(&rtwdev->mutex); 811 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 812 mutex_unlock(&rtwdev->mutex); 813 814 return ret; 815 } 816 817 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 818 u32 *tx_antenna, 819 u32 *rx_antenna) 820 { 821 struct rtw_dev *rtwdev = hw->priv; 822 struct rtw_hal *hal = &rtwdev->hal; 823 824 *tx_antenna = hal->antenna_tx; 825 *rx_antenna = hal->antenna_rx; 826 827 return 0; 828 } 829 830 #ifdef CONFIG_PM 831 static int rtw_ops_suspend(struct ieee80211_hw *hw, 832 struct cfg80211_wowlan *wowlan) 833 { 834 struct rtw_dev *rtwdev = hw->priv; 835 int ret; 836 837 mutex_lock(&rtwdev->mutex); 838 ret = rtw_wow_suspend(rtwdev, wowlan); 839 if (ret) 840 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 841 mutex_unlock(&rtwdev->mutex); 842 843 return ret ? 1 : 0; 844 } 845 846 static int rtw_ops_resume(struct ieee80211_hw *hw) 847 { 848 struct rtw_dev *rtwdev = hw->priv; 849 int ret; 850 851 mutex_lock(&rtwdev->mutex); 852 ret = rtw_wow_resume(rtwdev); 853 if (ret) 854 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 855 mutex_unlock(&rtwdev->mutex); 856 857 return ret ? 1 : 0; 858 } 859 860 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 861 { 862 struct rtw_dev *rtwdev = hw->priv; 863 864 device_set_wakeup_enable(rtwdev->dev, enabled); 865 } 866 #endif 867 868 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 869 enum ieee80211_reconfig_type reconfig_type) 870 { 871 struct rtw_dev *rtwdev = hw->priv; 872 873 mutex_lock(&rtwdev->mutex); 874 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 875 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 876 mutex_unlock(&rtwdev->mutex); 877 } 878 879 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 880 struct ieee80211_scan_request *req) 881 { 882 struct rtw_dev *rtwdev = hw->priv; 883 int ret; 884 885 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 886 return 1; 887 888 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 889 return -EBUSY; 890 891 mutex_lock(&rtwdev->mutex); 892 rtw_hw_scan_start(rtwdev, vif, req); 893 ret = rtw_hw_scan_offload(rtwdev, vif, true); 894 if (ret) { 895 rtw_hw_scan_abort(rtwdev); 896 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 897 } 898 mutex_unlock(&rtwdev->mutex); 899 900 return ret; 901 } 902 903 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 904 struct ieee80211_vif *vif) 905 { 906 struct rtw_dev *rtwdev = hw->priv; 907 908 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 909 return; 910 911 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 912 return; 913 914 mutex_lock(&rtwdev->mutex); 915 rtw_hw_scan_abort(rtwdev); 916 mutex_unlock(&rtwdev->mutex); 917 } 918 919 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 920 const struct cfg80211_sar_specs *sar) 921 { 922 struct rtw_dev *rtwdev = hw->priv; 923 924 mutex_lock(&rtwdev->mutex); 925 rtw_set_sar_specs(rtwdev, sar); 926 mutex_unlock(&rtwdev->mutex); 927 928 return 0; 929 } 930 931 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 932 struct ieee80211_vif *vif, 933 struct ieee80211_sta *sta, u32 changed) 934 { 935 struct rtw_dev *rtwdev = hw->priv; 936 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 937 938 if (changed & IEEE80211_RC_BW_CHANGED) 939 ieee80211_queue_work(rtwdev->hw, &si->rc_work); 940 } 941 942 const struct ieee80211_ops rtw_ops = { 943 .tx = rtw_ops_tx, 944 .wake_tx_queue = rtw_ops_wake_tx_queue, 945 .start = rtw_ops_start, 946 .stop = rtw_ops_stop, 947 .config = rtw_ops_config, 948 .add_interface = rtw_ops_add_interface, 949 .remove_interface = rtw_ops_remove_interface, 950 .change_interface = rtw_ops_change_interface, 951 .configure_filter = rtw_ops_configure_filter, 952 .bss_info_changed = rtw_ops_bss_info_changed, 953 .start_ap = rtw_ops_start_ap, 954 .stop_ap = rtw_ops_stop_ap, 955 .conf_tx = rtw_ops_conf_tx, 956 .sta_add = rtw_ops_sta_add, 957 .sta_remove = rtw_ops_sta_remove, 958 .set_tim = rtw_ops_set_tim, 959 .set_key = rtw_ops_set_key, 960 .ampdu_action = rtw_ops_ampdu_action, 961 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 962 .sw_scan_start = rtw_ops_sw_scan_start, 963 .sw_scan_complete = rtw_ops_sw_scan_complete, 964 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 965 .set_rts_threshold = rtw_ops_set_rts_threshold, 966 .sta_statistics = rtw_ops_sta_statistics, 967 .flush = rtw_ops_flush, 968 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 969 .set_antenna = rtw_ops_set_antenna, 970 .get_antenna = rtw_ops_get_antenna, 971 .reconfig_complete = rtw_reconfig_complete, 972 .hw_scan = rtw_ops_hw_scan, 973 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 974 .sta_rc_update = rtw_ops_sta_rc_update, 975 .set_sar_specs = rtw_ops_set_sar_specs, 976 #ifdef CONFIG_PM 977 .suspend = rtw_ops_suspend, 978 .resume = rtw_ops_resume, 979 .set_wakeup = rtw_ops_set_wakeup, 980 #endif 981 }; 982 EXPORT_SYMBOL(rtw_ops); 983