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