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); 164 165 mutex_lock(&rtwdev->mutex); 166 167 rtw_leave_lps_deep(rtwdev); 168 169 switch (vif->type) { 170 case NL80211_IFTYPE_AP: 171 case NL80211_IFTYPE_MESH_POINT: 172 net_type = RTW_NET_AP_MODE; 173 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 174 break; 175 case NL80211_IFTYPE_ADHOC: 176 net_type = RTW_NET_AD_HOC; 177 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 178 break; 179 case NL80211_IFTYPE_STATION: 180 default: 181 net_type = RTW_NET_NO_LINK; 182 bcn_ctrl = BIT_EN_BCN_FUNCTION; 183 break; 184 } 185 186 ether_addr_copy(rtwvif->mac_addr, vif->addr); 187 config |= PORT_SET_MAC_ADDR; 188 rtwvif->net_type = net_type; 189 config |= PORT_SET_NET_TYPE; 190 rtwvif->bcn_ctrl = bcn_ctrl; 191 config |= PORT_SET_BCN_CTRL; 192 rtw_vif_port_config(rtwdev, rtwvif, config); 193 194 mutex_unlock(&rtwdev->mutex); 195 196 rtw_info(rtwdev, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 197 return 0; 198 } 199 200 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 201 struct ieee80211_vif *vif) 202 { 203 struct rtw_dev *rtwdev = hw->priv; 204 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 205 u32 config = 0; 206 207 rtw_info(rtwdev, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 208 209 mutex_lock(&rtwdev->mutex); 210 211 rtw_leave_lps_deep(rtwdev); 212 213 rtw_txq_cleanup(rtwdev, vif->txq); 214 215 eth_zero_addr(rtwvif->mac_addr); 216 config |= PORT_SET_MAC_ADDR; 217 rtwvif->net_type = RTW_NET_NO_LINK; 218 config |= PORT_SET_NET_TYPE; 219 rtwvif->bcn_ctrl = 0; 220 config |= PORT_SET_BCN_CTRL; 221 rtw_vif_port_config(rtwdev, rtwvif, config); 222 223 mutex_unlock(&rtwdev->mutex); 224 } 225 226 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 227 unsigned int changed_flags, 228 unsigned int *new_flags, 229 u64 multicast) 230 { 231 struct rtw_dev *rtwdev = hw->priv; 232 233 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 234 FIF_BCN_PRBRESP_PROMISC; 235 236 mutex_lock(&rtwdev->mutex); 237 238 rtw_leave_lps_deep(rtwdev); 239 240 if (changed_flags & FIF_ALLMULTI) { 241 if (*new_flags & FIF_ALLMULTI) 242 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 243 else 244 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 245 } 246 if (changed_flags & FIF_FCSFAIL) { 247 if (*new_flags & FIF_FCSFAIL) 248 rtwdev->hal.rcr |= BIT_ACRC32; 249 else 250 rtwdev->hal.rcr &= ~(BIT_ACRC32); 251 } 252 if (changed_flags & FIF_OTHER_BSS) { 253 if (*new_flags & FIF_OTHER_BSS) 254 rtwdev->hal.rcr |= BIT_AAP; 255 else 256 rtwdev->hal.rcr &= ~(BIT_AAP); 257 } 258 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 259 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 260 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 261 else 262 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 263 } 264 265 rtw_dbg(rtwdev, RTW_DBG_RX, 266 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 267 changed_flags, *new_flags, rtwdev->hal.rcr); 268 269 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 270 271 mutex_unlock(&rtwdev->mutex); 272 } 273 274 /* Only have one group of EDCA parameters now */ 275 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 276 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 277 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 278 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 279 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 280 }; 281 282 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 283 struct rtw_vif *rtwvif, u8 aifsn) 284 { 285 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 286 u8 slot_time; 287 u8 sifs; 288 289 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 290 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 291 292 return aifsn * slot_time + sifs; 293 } 294 295 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 296 struct rtw_vif *rtwvif, u16 ac) 297 { 298 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 299 u32 edca_param = ac_to_edca_param[ac]; 300 u8 ecw_max, ecw_min; 301 u8 aifs; 302 303 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 304 ecw_max = ilog2(params->cw_max + 1); 305 ecw_min = ilog2(params->cw_min + 1); 306 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 307 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 308 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 309 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 310 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 311 } 312 313 static void rtw_conf_tx(struct rtw_dev *rtwdev, 314 struct rtw_vif *rtwvif) 315 { 316 u16 ac; 317 318 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 319 __rtw_conf_tx(rtwdev, rtwvif, ac); 320 } 321 322 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 323 struct ieee80211_vif *vif, 324 struct ieee80211_bss_conf *conf, 325 u32 changed) 326 { 327 struct rtw_dev *rtwdev = hw->priv; 328 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 329 u32 config = 0; 330 331 mutex_lock(&rtwdev->mutex); 332 333 rtw_leave_lps_deep(rtwdev); 334 335 if (changed & BSS_CHANGED_ASSOC) { 336 struct rtw_chip_info *chip = rtwdev->chip; 337 enum rtw_net_type net_type; 338 339 if (conf->assoc) { 340 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 341 net_type = RTW_NET_MGD_LINKED; 342 chip->ops->phy_calibration(rtwdev); 343 344 rtwvif->aid = conf->aid; 345 rtw_add_rsvd_page(rtwdev, RSVD_PS_POLL, true); 346 rtw_add_rsvd_page(rtwdev, RSVD_QOS_NULL, true); 347 rtw_add_rsvd_page(rtwdev, RSVD_NULL, true); 348 rtw_add_rsvd_page(rtwdev, RSVD_LPS_PG_DPK, true); 349 rtw_add_rsvd_page(rtwdev, RSVD_LPS_PG_INFO, true); 350 rtw_fw_download_rsvd_page(rtwdev, vif); 351 rtw_send_rsvd_page_h2c(rtwdev); 352 rtw_coex_media_status_notify(rtwdev, conf->assoc); 353 if (rtw_bf_support) 354 rtw_bf_assoc(rtwdev, vif, conf); 355 } else { 356 rtw_leave_lps(rtwdev); 357 net_type = RTW_NET_NO_LINK; 358 rtwvif->aid = 0; 359 rtw_reset_rsvd_page(rtwdev); 360 rtw_bf_disassoc(rtwdev, vif, conf); 361 } 362 363 rtwvif->net_type = net_type; 364 config |= PORT_SET_NET_TYPE; 365 config |= PORT_SET_AID; 366 } 367 368 if (changed & BSS_CHANGED_BSSID) { 369 ether_addr_copy(rtwvif->bssid, conf->bssid); 370 config |= PORT_SET_BSSID; 371 } 372 373 if (changed & BSS_CHANGED_BEACON) 374 rtw_fw_download_rsvd_page(rtwdev, vif); 375 376 if (changed & BSS_CHANGED_MU_GROUPS) { 377 struct rtw_chip_info *chip = rtwdev->chip; 378 379 chip->ops->set_gid_table(rtwdev, vif, conf); 380 } 381 382 if (changed & BSS_CHANGED_ERP_SLOT) 383 rtw_conf_tx(rtwdev, rtwvif); 384 385 rtw_vif_port_config(rtwdev, rtwvif, config); 386 387 mutex_unlock(&rtwdev->mutex); 388 } 389 390 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 391 struct ieee80211_vif *vif, u16 ac, 392 const struct ieee80211_tx_queue_params *params) 393 { 394 struct rtw_dev *rtwdev = hw->priv; 395 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 396 397 mutex_lock(&rtwdev->mutex); 398 399 rtw_leave_lps_deep(rtwdev); 400 401 rtwvif->tx_params[ac] = *params; 402 __rtw_conf_tx(rtwdev, rtwvif, ac); 403 404 mutex_unlock(&rtwdev->mutex); 405 406 return 0; 407 } 408 409 static u8 rtw_acquire_macid(struct rtw_dev *rtwdev) 410 { 411 unsigned long mac_id; 412 413 mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 414 if (mac_id < RTW_MAX_MAC_ID_NUM) 415 set_bit(mac_id, rtwdev->mac_id_map); 416 417 return mac_id; 418 } 419 420 static void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id) 421 { 422 clear_bit(mac_id, rtwdev->mac_id_map); 423 } 424 425 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 426 struct ieee80211_vif *vif, 427 struct ieee80211_sta *sta) 428 { 429 struct rtw_dev *rtwdev = hw->priv; 430 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 431 int i; 432 int ret = 0; 433 434 mutex_lock(&rtwdev->mutex); 435 436 si->mac_id = rtw_acquire_macid(rtwdev); 437 if (si->mac_id >= RTW_MAX_MAC_ID_NUM) { 438 ret = -ENOSPC; 439 goto out; 440 } 441 442 si->sta = sta; 443 si->vif = vif; 444 si->init_ra_lv = 1; 445 ewma_rssi_init(&si->avg_rssi); 446 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 447 rtw_txq_init(rtwdev, sta->txq[i]); 448 449 rtw_update_sta_info(rtwdev, si); 450 rtw_fw_media_status_report(rtwdev, si->mac_id, true); 451 452 rtwdev->sta_cnt++; 453 454 rtw_info(rtwdev, "sta %pM joined with macid %d\n", 455 sta->addr, si->mac_id); 456 457 out: 458 mutex_unlock(&rtwdev->mutex); 459 return ret; 460 } 461 462 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 463 struct ieee80211_vif *vif, 464 struct ieee80211_sta *sta) 465 { 466 struct rtw_dev *rtwdev = hw->priv; 467 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 468 int i; 469 470 mutex_lock(&rtwdev->mutex); 471 472 rtw_release_macid(rtwdev, si->mac_id); 473 rtw_fw_media_status_report(rtwdev, si->mac_id, false); 474 475 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 476 rtw_txq_cleanup(rtwdev, sta->txq[i]); 477 478 kfree(si->mask); 479 480 rtwdev->sta_cnt--; 481 482 rtw_info(rtwdev, "sta %pM with macid %d left\n", 483 sta->addr, si->mac_id); 484 485 mutex_unlock(&rtwdev->mutex); 486 return 0; 487 } 488 489 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 490 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 491 struct ieee80211_key_conf *key) 492 { 493 struct rtw_dev *rtwdev = hw->priv; 494 struct rtw_sec_desc *sec = &rtwdev->sec; 495 u8 hw_key_type; 496 u8 hw_key_idx; 497 int ret = 0; 498 499 switch (key->cipher) { 500 case WLAN_CIPHER_SUITE_WEP40: 501 hw_key_type = RTW_CAM_WEP40; 502 break; 503 case WLAN_CIPHER_SUITE_WEP104: 504 hw_key_type = RTW_CAM_WEP104; 505 break; 506 case WLAN_CIPHER_SUITE_TKIP: 507 hw_key_type = RTW_CAM_TKIP; 508 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 509 break; 510 case WLAN_CIPHER_SUITE_CCMP: 511 hw_key_type = RTW_CAM_AES; 512 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 513 break; 514 case WLAN_CIPHER_SUITE_AES_CMAC: 515 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 516 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 517 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 518 case WLAN_CIPHER_SUITE_CCMP_256: 519 case WLAN_CIPHER_SUITE_GCMP: 520 case WLAN_CIPHER_SUITE_GCMP_256: 521 /* suppress error messages */ 522 return -EOPNOTSUPP; 523 default: 524 return -ENOTSUPP; 525 } 526 527 mutex_lock(&rtwdev->mutex); 528 529 rtw_leave_lps_deep(rtwdev); 530 531 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 532 hw_key_idx = rtw_sec_get_free_cam(sec); 533 } else { 534 /* multiple interfaces? */ 535 hw_key_idx = key->keyidx; 536 } 537 538 if (hw_key_idx > sec->total_cam_num) { 539 ret = -ENOSPC; 540 goto out; 541 } 542 543 switch (cmd) { 544 case SET_KEY: 545 /* need sw generated IV */ 546 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 547 key->hw_key_idx = hw_key_idx; 548 rtw_sec_write_cam(rtwdev, sec, sta, key, 549 hw_key_type, hw_key_idx); 550 break; 551 case DISABLE_KEY: 552 rtw_mac_flush_all_queues(rtwdev, false); 553 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 554 break; 555 } 556 557 /* download new cam settings for PG to backup */ 558 if (rtw_fw_lps_deep_mode == LPS_DEEP_MODE_PG) 559 rtw_fw_download_rsvd_page(rtwdev, vif); 560 561 out: 562 mutex_unlock(&rtwdev->mutex); 563 564 return ret; 565 } 566 567 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 568 struct ieee80211_vif *vif, 569 struct ieee80211_ampdu_params *params) 570 { 571 struct ieee80211_sta *sta = params->sta; 572 u16 tid = params->tid; 573 struct ieee80211_txq *txq = sta->txq[tid]; 574 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 575 576 switch (params->action) { 577 case IEEE80211_AMPDU_TX_START: 578 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 579 case IEEE80211_AMPDU_TX_STOP_CONT: 580 case IEEE80211_AMPDU_TX_STOP_FLUSH: 581 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 582 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 583 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 584 break; 585 case IEEE80211_AMPDU_TX_OPERATIONAL: 586 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 587 break; 588 case IEEE80211_AMPDU_RX_START: 589 case IEEE80211_AMPDU_RX_STOP: 590 break; 591 default: 592 WARN_ON(1); 593 return -ENOTSUPP; 594 } 595 596 return 0; 597 } 598 599 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 600 struct sk_buff *head, 601 struct sk_buff *skb) 602 { 603 struct rtw_dev *rtwdev = hw->priv; 604 struct rtw_hal *hal = &rtwdev->hal; 605 606 /* we don't want to enable TX AMSDU on 2.4G */ 607 if (hal->current_band_type == RTW_BAND_2G) 608 return false; 609 610 return true; 611 } 612 613 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 614 struct ieee80211_vif *vif, 615 const u8 *mac_addr) 616 { 617 struct rtw_dev *rtwdev = hw->priv; 618 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 619 u32 config = 0; 620 621 mutex_lock(&rtwdev->mutex); 622 623 rtw_leave_lps(rtwdev); 624 625 ether_addr_copy(rtwvif->mac_addr, mac_addr); 626 config |= PORT_SET_MAC_ADDR; 627 rtw_vif_port_config(rtwdev, rtwvif, config); 628 629 rtw_coex_scan_notify(rtwdev, COEX_SCAN_START); 630 631 set_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 632 set_bit(RTW_FLAG_SCANNING, rtwdev->flags); 633 634 mutex_unlock(&rtwdev->mutex); 635 } 636 637 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 638 struct ieee80211_vif *vif) 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 clear_bit(RTW_FLAG_SCANNING, rtwdev->flags); 647 clear_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 648 649 ether_addr_copy(rtwvif->mac_addr, vif->addr); 650 config |= PORT_SET_MAC_ADDR; 651 rtw_vif_port_config(rtwdev, rtwvif, config); 652 653 rtw_coex_scan_notify(rtwdev, COEX_SCAN_FINISH); 654 655 mutex_unlock(&rtwdev->mutex); 656 } 657 658 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 659 struct ieee80211_vif *vif, 660 u16 duration) 661 { 662 struct rtw_dev *rtwdev = hw->priv; 663 664 mutex_lock(&rtwdev->mutex); 665 rtw_leave_lps_deep(rtwdev); 666 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 667 mutex_unlock(&rtwdev->mutex); 668 } 669 670 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 671 { 672 struct rtw_dev *rtwdev = hw->priv; 673 674 mutex_lock(&rtwdev->mutex); 675 rtwdev->rts_threshold = value; 676 mutex_unlock(&rtwdev->mutex); 677 678 return 0; 679 } 680 681 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 682 struct ieee80211_vif *vif, 683 struct ieee80211_sta *sta, 684 struct station_info *sinfo) 685 { 686 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 687 688 sinfo->txrate = si->ra_report.txrate; 689 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 690 } 691 692 static void rtw_ops_flush(struct ieee80211_hw *hw, 693 struct ieee80211_vif *vif, 694 u32 queues, bool drop) 695 { 696 struct rtw_dev *rtwdev = hw->priv; 697 698 mutex_lock(&rtwdev->mutex); 699 rtw_leave_lps_deep(rtwdev); 700 701 rtw_mac_flush_queues(rtwdev, queues, drop); 702 mutex_unlock(&rtwdev->mutex); 703 } 704 705 struct rtw_iter_bitrate_mask_data { 706 struct rtw_dev *rtwdev; 707 struct ieee80211_vif *vif; 708 const struct cfg80211_bitrate_mask *mask; 709 }; 710 711 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 712 { 713 struct rtw_iter_bitrate_mask_data *br_data = data; 714 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 715 716 if (si->vif != br_data->vif) 717 return; 718 719 /* free previous mask setting */ 720 kfree(si->mask); 721 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 722 GFP_ATOMIC); 723 if (!si->mask) { 724 si->use_cfg_mask = false; 725 return; 726 } 727 728 si->use_cfg_mask = true; 729 rtw_update_sta_info(br_data->rtwdev, si); 730 } 731 732 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 733 struct ieee80211_vif *vif, 734 const struct cfg80211_bitrate_mask *mask) 735 { 736 struct rtw_iter_bitrate_mask_data br_data; 737 738 br_data.rtwdev = rtwdev; 739 br_data.vif = vif; 740 br_data.mask = mask; 741 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 742 } 743 744 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 745 struct ieee80211_vif *vif, 746 const struct cfg80211_bitrate_mask *mask) 747 { 748 struct rtw_dev *rtwdev = hw->priv; 749 750 rtw_ra_mask_info_update(rtwdev, vif, mask); 751 752 return 0; 753 } 754 755 #ifdef CONFIG_PM 756 static int rtw_ops_suspend(struct ieee80211_hw *hw, 757 struct cfg80211_wowlan *wowlan) 758 { 759 struct rtw_dev *rtwdev = hw->priv; 760 int ret; 761 762 mutex_lock(&rtwdev->mutex); 763 ret = rtw_wow_suspend(rtwdev, wowlan); 764 if (ret) 765 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 766 mutex_unlock(&rtwdev->mutex); 767 768 return ret ? 1 : 0; 769 } 770 771 static int rtw_ops_resume(struct ieee80211_hw *hw) 772 { 773 struct rtw_dev *rtwdev = hw->priv; 774 int ret; 775 776 mutex_lock(&rtwdev->mutex); 777 ret = rtw_wow_resume(rtwdev); 778 if (ret) 779 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 780 mutex_unlock(&rtwdev->mutex); 781 782 return ret ? 1 : 0; 783 } 784 785 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 786 { 787 struct rtw_dev *rtwdev = hw->priv; 788 789 device_set_wakeup_enable(rtwdev->dev, enabled); 790 } 791 #endif 792 793 const struct ieee80211_ops rtw_ops = { 794 .tx = rtw_ops_tx, 795 .wake_tx_queue = rtw_ops_wake_tx_queue, 796 .start = rtw_ops_start, 797 .stop = rtw_ops_stop, 798 .config = rtw_ops_config, 799 .add_interface = rtw_ops_add_interface, 800 .remove_interface = rtw_ops_remove_interface, 801 .configure_filter = rtw_ops_configure_filter, 802 .bss_info_changed = rtw_ops_bss_info_changed, 803 .conf_tx = rtw_ops_conf_tx, 804 .sta_add = rtw_ops_sta_add, 805 .sta_remove = rtw_ops_sta_remove, 806 .set_key = rtw_ops_set_key, 807 .ampdu_action = rtw_ops_ampdu_action, 808 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 809 .sw_scan_start = rtw_ops_sw_scan_start, 810 .sw_scan_complete = rtw_ops_sw_scan_complete, 811 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 812 .set_rts_threshold = rtw_ops_set_rts_threshold, 813 .sta_statistics = rtw_ops_sta_statistics, 814 .flush = rtw_ops_flush, 815 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 816 #ifdef CONFIG_PM 817 .suspend = rtw_ops_suspend, 818 .resume = rtw_ops_resume, 819 .set_wakeup = rtw_ops_set_wakeup, 820 #endif 821 }; 822 EXPORT_SYMBOL(rtw_ops); 823