1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #include <linux/iopoll.h> 6 7 #include "main.h" 8 #include "coex.h" 9 #include "fw.h" 10 #include "tx.h" 11 #include "reg.h" 12 #include "sec.h" 13 #include "debug.h" 14 #include "util.h" 15 #include "wow.h" 16 #include "ps.h" 17 #include "phy.h" 18 #include "mac.h" 19 20 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev, 21 struct sk_buff *skb) 22 { 23 struct rtw_c2h_cmd *c2h; 24 u8 sub_cmd_id; 25 26 c2h = get_c2h_from_skb(skb); 27 sub_cmd_id = c2h->payload[0]; 28 29 switch (sub_cmd_id) { 30 case C2H_CCX_RPT: 31 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT); 32 break; 33 case C2H_SCAN_STATUS_RPT: 34 rtw_hw_scan_status_report(rtwdev, skb); 35 break; 36 case C2H_CHAN_SWITCH: 37 rtw_hw_scan_chan_switch(rtwdev, skb); 38 break; 39 default: 40 break; 41 } 42 } 43 44 static u16 get_max_amsdu_len(u32 bit_rate) 45 { 46 /* lower than ofdm, do not aggregate */ 47 if (bit_rate < 550) 48 return 1; 49 50 /* lower than 20M 2ss mcs8, make it small */ 51 if (bit_rate < 1800) 52 return 1200; 53 54 /* lower than 40M 2ss mcs9, make it medium */ 55 if (bit_rate < 4000) 56 return 2600; 57 58 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */ 59 if (bit_rate < 7000) 60 return 3500; 61 62 /* unlimited */ 63 return 0; 64 } 65 66 struct rtw_fw_iter_ra_data { 67 struct rtw_dev *rtwdev; 68 u8 *payload; 69 }; 70 71 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 72 { 73 struct rtw_fw_iter_ra_data *ra_data = data; 74 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 75 u8 mac_id, rate, sgi, bw; 76 u8 mcs, nss; 77 u32 bit_rate; 78 79 mac_id = GET_RA_REPORT_MACID(ra_data->payload); 80 if (si->mac_id != mac_id) 81 return; 82 83 si->ra_report.txrate.flags = 0; 84 85 rate = GET_RA_REPORT_RATE(ra_data->payload); 86 sgi = GET_RA_REPORT_SGI(ra_data->payload); 87 bw = GET_RA_REPORT_BW(ra_data->payload); 88 89 if (rate < DESC_RATEMCS0) { 90 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 91 goto legacy; 92 } 93 94 rtw_desc_to_mcsrate(rate, &mcs, &nss); 95 if (rate >= DESC_RATEVHT1SS_MCS0) 96 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 97 else if (rate >= DESC_RATEMCS0) 98 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 99 100 if (rate >= DESC_RATEMCS0) { 101 si->ra_report.txrate.mcs = mcs; 102 si->ra_report.txrate.nss = nss; 103 } 104 105 if (sgi) 106 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 107 108 if (bw == RTW_CHANNEL_WIDTH_80) 109 si->ra_report.txrate.bw = RATE_INFO_BW_80; 110 else if (bw == RTW_CHANNEL_WIDTH_40) 111 si->ra_report.txrate.bw = RATE_INFO_BW_40; 112 else 113 si->ra_report.txrate.bw = RATE_INFO_BW_20; 114 115 legacy: 116 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 117 118 si->ra_report.desc_rate = rate; 119 si->ra_report.bit_rate = bit_rate; 120 121 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 122 } 123 124 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 125 u8 length) 126 { 127 struct rtw_fw_iter_ra_data ra_data; 128 129 if (WARN(length < 7, "invalid ra report c2h length\n")) 130 return; 131 132 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload); 133 ra_data.rtwdev = rtwdev; 134 ra_data.payload = payload; 135 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 136 } 137 138 struct rtw_beacon_filter_iter_data { 139 struct rtw_dev *rtwdev; 140 u8 *payload; 141 }; 142 143 static void rtw_fw_bcn_filter_notify_vif_iter(void *data, u8 *mac, 144 struct ieee80211_vif *vif) 145 { 146 struct rtw_beacon_filter_iter_data *iter_data = data; 147 struct rtw_dev *rtwdev = iter_data->rtwdev; 148 u8 *payload = iter_data->payload; 149 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 150 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 151 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 152 153 switch (type) { 154 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 155 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 156 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 157 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 158 break; 159 case BCN_FILTER_CONNECTION_LOSS: 160 ieee80211_connection_loss(vif); 161 break; 162 case BCN_FILTER_CONNECTED: 163 rtwdev->beacon_loss = false; 164 break; 165 case BCN_FILTER_NOTIFY_BEACON_LOSS: 166 rtwdev->beacon_loss = true; 167 rtw_leave_lps(rtwdev); 168 break; 169 } 170 } 171 172 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 173 u8 length) 174 { 175 struct rtw_beacon_filter_iter_data dev_iter_data; 176 177 dev_iter_data.rtwdev = rtwdev; 178 dev_iter_data.payload = payload; 179 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 180 &dev_iter_data); 181 } 182 183 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 184 u8 length) 185 { 186 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 187 188 dm_info->scan_density = payload[0]; 189 190 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 191 dm_info->scan_density); 192 } 193 194 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 195 u8 length) 196 { 197 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 198 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 199 200 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 201 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 202 result->density, result->igi, result->l2h_th_init, result->l2h, 203 result->h2l, result->option); 204 205 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 206 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 207 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 208 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 209 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 210 211 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 212 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 213 "Set" : "Unset"); 214 } 215 216 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 217 { 218 struct rtw_c2h_cmd *c2h; 219 u32 pkt_offset; 220 u8 len; 221 222 pkt_offset = *((u32 *)skb->cb); 223 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 224 len = skb->len - pkt_offset - 2; 225 226 mutex_lock(&rtwdev->mutex); 227 228 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 229 goto unlock; 230 231 switch (c2h->id) { 232 case C2H_CCX_TX_RPT: 233 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 234 break; 235 case C2H_BT_INFO: 236 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 237 break; 238 case C2H_BT_HID_INFO: 239 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 240 break; 241 case C2H_WLAN_INFO: 242 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 243 break; 244 case C2H_BCN_FILTER_NOTIFY: 245 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 246 break; 247 case C2H_HALMAC: 248 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 249 break; 250 case C2H_RA_RPT: 251 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 252 break; 253 default: 254 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 255 break; 256 } 257 258 unlock: 259 mutex_unlock(&rtwdev->mutex); 260 } 261 262 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 263 struct sk_buff *skb) 264 { 265 struct rtw_c2h_cmd *c2h; 266 u8 len; 267 268 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 269 len = skb->len - pkt_offset - 2; 270 *((u32 *)skb->cb) = pkt_offset; 271 272 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 273 c2h->id, c2h->seq, len); 274 275 switch (c2h->id) { 276 case C2H_BT_MP_INFO: 277 rtw_coex_info_response(rtwdev, skb); 278 break; 279 case C2H_WLAN_RFON: 280 complete(&rtwdev->lps_leave_check); 281 dev_kfree_skb_any(skb); 282 break; 283 case C2H_SCAN_RESULT: 284 complete(&rtwdev->fw_scan_density); 285 rtw_fw_scan_result(rtwdev, c2h->payload, len); 286 dev_kfree_skb_any(skb); 287 break; 288 case C2H_ADAPTIVITY: 289 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 290 dev_kfree_skb_any(skb); 291 break; 292 default: 293 /* pass offset for further operation */ 294 *((u32 *)skb->cb) = pkt_offset; 295 skb_queue_tail(&rtwdev->c2h_queue, skb); 296 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 297 break; 298 } 299 } 300 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 301 302 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 303 { 304 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 305 rtw_fw_recovery(rtwdev); 306 else 307 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 308 } 309 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 310 311 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 312 u8 *h2c) 313 { 314 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 315 u8 box; 316 u8 box_state; 317 u32 box_reg, box_ex_reg; 318 int ret; 319 320 rtw_dbg(rtwdev, RTW_DBG_FW, 321 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 322 h2c[3], h2c[2], h2c[1], h2c[0], 323 h2c[7], h2c[6], h2c[5], h2c[4]); 324 325 lockdep_assert_held(&rtwdev->mutex); 326 327 box = rtwdev->h2c.last_box_num; 328 switch (box) { 329 case 0: 330 box_reg = REG_HMEBOX0; 331 box_ex_reg = REG_HMEBOX0_EX; 332 break; 333 case 1: 334 box_reg = REG_HMEBOX1; 335 box_ex_reg = REG_HMEBOX1_EX; 336 break; 337 case 2: 338 box_reg = REG_HMEBOX2; 339 box_ex_reg = REG_HMEBOX2_EX; 340 break; 341 case 3: 342 box_reg = REG_HMEBOX3; 343 box_ex_reg = REG_HMEBOX3_EX; 344 break; 345 default: 346 WARN(1, "invalid h2c mail box number\n"); 347 return; 348 } 349 350 ret = read_poll_timeout_atomic(rtw_read8, box_state, 351 !((box_state >> box) & 0x1), 100, 3000, 352 false, rtwdev, REG_HMETFR); 353 354 if (ret) { 355 rtw_err(rtwdev, "failed to send h2c command\n"); 356 return; 357 } 358 359 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 360 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 361 362 if (++rtwdev->h2c.last_box_num >= 4) 363 rtwdev->h2c.last_box_num = 0; 364 } 365 366 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 367 { 368 rtw_fw_send_h2c_command(rtwdev, h2c); 369 } 370 371 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 372 { 373 int ret; 374 375 lockdep_assert_held(&rtwdev->mutex); 376 377 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 378 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 379 if (ret) 380 rtw_err(rtwdev, "failed to send h2c packet\n"); 381 rtwdev->h2c.seq++; 382 } 383 384 void 385 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 386 { 387 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 388 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 389 u16 total_size = H2C_PKT_HDR_SIZE + 4; 390 391 if (rtw_chip_wcpu_11n(rtwdev)) 392 return; 393 394 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 395 396 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 397 398 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 399 fifo->rsvd_fw_txbuf_addr - 400 fifo->rsvd_boundary); 401 402 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 403 } 404 405 void 406 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 407 { 408 struct rtw_hal *hal = &rtwdev->hal; 409 struct rtw_efuse *efuse = &rtwdev->efuse; 410 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 411 u16 total_size = H2C_PKT_HDR_SIZE + 8; 412 u8 fw_rf_type = 0; 413 414 if (rtw_chip_wcpu_11n(rtwdev)) 415 return; 416 417 if (hal->rf_type == RF_1T1R) 418 fw_rf_type = FW_RF_1T1R; 419 else if (hal->rf_type == RF_2T2R) 420 fw_rf_type = FW_RF_2T2R; 421 422 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 423 424 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 425 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 426 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 427 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 428 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 429 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 430 431 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 432 } 433 434 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 435 { 436 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 437 u16 total_size = H2C_PKT_HDR_SIZE + 1; 438 439 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 440 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 441 IQK_SET_CLEAR(h2c_pkt, para->clear); 442 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 443 444 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 445 } 446 EXPORT_SYMBOL(rtw_fw_do_iqk); 447 448 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 449 { 450 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 451 452 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 453 454 RFK_SET_INFORM_START(h2c_pkt, start); 455 456 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 457 } 458 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 459 460 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 461 { 462 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 463 464 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 465 466 SET_QUERY_BT_INFO(h2c_pkt, true); 467 468 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 469 } 470 471 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 472 { 473 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 474 475 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 476 477 SET_WL_CH_INFO_LINK(h2c_pkt, link); 478 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 479 SET_WL_CH_INFO_BW(h2c_pkt, bw); 480 481 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 482 } 483 484 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 485 struct rtw_coex_info_req *req) 486 { 487 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 488 489 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 490 491 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 492 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 493 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 494 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 495 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 496 497 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 498 } 499 500 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 501 { 502 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 503 u8 index = 0 - bt_pwr_dec_lvl; 504 505 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 506 507 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 508 509 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 510 } 511 512 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 513 { 514 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 515 516 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 517 518 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 519 520 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 521 } 522 523 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 524 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 525 { 526 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 527 528 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 529 530 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 531 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 532 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 533 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 534 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 535 536 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 537 } 538 539 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 540 { 541 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 542 543 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 544 545 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 546 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 547 548 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 549 } 550 551 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 552 { 553 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 554 555 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 556 557 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 558 559 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 560 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 561 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 562 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 563 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 564 565 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 566 } 567 568 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 569 { 570 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 571 u8 rssi = ewma_rssi_read(&si->avg_rssi); 572 bool stbc_en = si->stbc_en ? true : false; 573 574 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 575 576 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 577 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 578 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 579 580 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 581 } 582 583 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 584 bool reset_ra_mask) 585 { 586 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 587 bool disable_pt = true; 588 589 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 590 591 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 592 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 593 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 594 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 595 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 596 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 597 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 598 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 599 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 600 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 601 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 602 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 603 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 604 605 si->init_ra_lv = 0; 606 607 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 608 } 609 610 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 611 { 612 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 613 614 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 615 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 616 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 617 618 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 619 } 620 621 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 622 { 623 struct rtw_traffic_stats *stats = &rtwdev->stats; 624 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 625 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 626 627 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 628 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 629 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 630 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 631 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 632 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 633 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 634 } 635 636 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 637 struct ieee80211_vif *vif) 638 { 639 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 640 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 641 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 642 struct rtw_sta_info *si = 643 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 644 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset; 645 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 646 647 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 648 return; 649 650 if (!connect) { 651 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 652 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 653 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 654 655 return; 656 } 657 658 if (!si) 659 return; 660 661 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 662 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 663 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 664 665 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 666 threshold = clamp_t(s32, threshold, rssi_min, rssi_max); 667 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 668 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 669 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 670 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 671 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold); 672 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 673 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 674 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst); 675 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 676 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 677 } 678 679 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 680 { 681 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 682 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 683 684 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 685 686 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 687 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 688 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 689 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 690 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 691 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 692 693 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 694 } 695 696 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 697 { 698 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 699 struct rtw_fw_wow_keep_alive_para mode = { 700 .adopt = true, 701 .pkt_type = KEEP_ALIVE_NULL_PKT, 702 .period = 5, 703 }; 704 705 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 706 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 707 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 708 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 709 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 710 711 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 712 } 713 714 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 715 { 716 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 717 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 718 struct rtw_fw_wow_disconnect_para mode = { 719 .adopt = true, 720 .period = 30, 721 .retry_count = 5, 722 }; 723 724 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 725 726 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 727 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 728 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 729 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 730 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 731 } 732 733 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 734 } 735 736 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 737 { 738 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 739 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 740 741 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 742 743 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 744 if (rtw_wow_mgd_linked(rtwdev)) { 745 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 746 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 747 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 748 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 749 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 750 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 751 if (rtw_wow->pattern_cnt) 752 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 753 } 754 755 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 756 } 757 758 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 759 u8 pairwise_key_enc, 760 u8 group_key_enc) 761 { 762 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 763 764 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 765 766 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 767 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 768 769 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 770 } 771 772 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 773 { 774 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 775 776 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 777 778 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 779 780 if (rtw_wow_no_link(rtwdev)) 781 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 782 783 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 784 } 785 786 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 787 enum rtw_rsvd_packet_type type) 788 { 789 struct rtw_rsvd_page *rsvd_pkt; 790 u8 location = 0; 791 792 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 793 if (type == rsvd_pkt->type) 794 location = rsvd_pkt->page; 795 } 796 797 return location; 798 } 799 800 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 801 { 802 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 803 u8 loc_nlo; 804 805 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 806 807 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 808 809 SET_NLO_FUN_EN(h2c_pkt, enable); 810 if (enable) { 811 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 812 SET_NLO_PS_32K(h2c_pkt, enable); 813 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 814 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 815 } 816 817 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 818 } 819 820 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 821 { 822 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 823 824 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 825 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 826 827 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 828 } 829 830 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 831 { 832 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 833 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 834 u8 loc_pg, loc_dpk; 835 836 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 837 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 838 839 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 840 841 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 842 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 843 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 844 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 845 846 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 847 } 848 849 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 850 struct cfg80211_ssid *ssid) 851 { 852 struct rtw_rsvd_page *rsvd_pkt; 853 u8 location = 0; 854 855 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 856 if (rsvd_pkt->type != RSVD_PROBE_REQ) 857 continue; 858 if ((!ssid && !rsvd_pkt->ssid) || 859 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 860 location = rsvd_pkt->page; 861 } 862 863 return location; 864 } 865 866 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 867 struct cfg80211_ssid *ssid) 868 { 869 struct rtw_rsvd_page *rsvd_pkt; 870 u16 size = 0; 871 872 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 873 if (rsvd_pkt->type != RSVD_PROBE_REQ) 874 continue; 875 if ((!ssid && !rsvd_pkt->ssid) || 876 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 877 size = rsvd_pkt->probe_req_size; 878 } 879 880 return size; 881 } 882 883 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 884 { 885 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 886 u8 location = 0; 887 888 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 889 890 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 891 *(h2c_pkt + 1) = location; 892 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 893 894 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 895 *(h2c_pkt + 2) = location; 896 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 897 898 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 899 *(h2c_pkt + 3) = location; 900 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 901 902 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 903 *(h2c_pkt + 4) = location; 904 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 905 906 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 907 } 908 909 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 910 { 911 struct rtw_dev *rtwdev = hw->priv; 912 const struct rtw_chip_info *chip = rtwdev->chip; 913 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 914 struct rtw_nlo_info_hdr *nlo_hdr; 915 struct cfg80211_ssid *ssid; 916 struct sk_buff *skb; 917 u8 *pos, loc; 918 u32 size; 919 int i; 920 921 if (!pno_req->inited || !pno_req->match_set_cnt) 922 return NULL; 923 924 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 925 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 926 927 skb = alloc_skb(size, GFP_KERNEL); 928 if (!skb) 929 return NULL; 930 931 skb_reserve(skb, chip->tx_pkt_desc_sz); 932 933 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 934 935 nlo_hdr->nlo_count = pno_req->match_set_cnt; 936 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 937 938 /* pattern check for firmware */ 939 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 940 941 for (i = 0; i < pno_req->match_set_cnt; i++) 942 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 943 944 for (i = 0; i < pno_req->match_set_cnt; i++) { 945 ssid = &pno_req->match_sets[i].ssid; 946 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 947 if (!loc) { 948 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 949 kfree_skb(skb); 950 return NULL; 951 } 952 nlo_hdr->location[i] = loc; 953 } 954 955 for (i = 0; i < pno_req->match_set_cnt; i++) { 956 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 957 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 958 pno_req->match_sets[i].ssid.ssid_len); 959 } 960 961 return skb; 962 } 963 964 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 965 { 966 struct rtw_dev *rtwdev = hw->priv; 967 const struct rtw_chip_info *chip = rtwdev->chip; 968 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 969 struct ieee80211_channel *channels = pno_req->channels; 970 struct sk_buff *skb; 971 int count = pno_req->channel_cnt; 972 u8 *pos; 973 int i = 0; 974 975 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 976 if (!skb) 977 return NULL; 978 979 skb_reserve(skb, chip->tx_pkt_desc_sz); 980 981 for (i = 0; i < count; i++) { 982 pos = skb_put_zero(skb, 4); 983 984 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 985 986 if (channels[i].flags & IEEE80211_CHAN_RADAR) 987 CHSW_INFO_SET_ACTION_ID(pos, 0); 988 else 989 CHSW_INFO_SET_ACTION_ID(pos, 1); 990 CHSW_INFO_SET_TIMEOUT(pos, 1); 991 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 992 CHSW_INFO_SET_BW(pos, 0); 993 } 994 995 return skb; 996 } 997 998 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 999 { 1000 struct rtw_dev *rtwdev = hw->priv; 1001 const struct rtw_chip_info *chip = rtwdev->chip; 1002 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1003 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1004 struct sk_buff *skb; 1005 u32 size; 1006 1007 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1008 skb = alloc_skb(size, GFP_KERNEL); 1009 if (!skb) 1010 return NULL; 1011 1012 skb_reserve(skb, chip->tx_pkt_desc_sz); 1013 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1014 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1015 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1016 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1017 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1018 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1019 1020 return skb; 1021 } 1022 1023 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1024 { 1025 struct rtw_dev *rtwdev = hw->priv; 1026 const struct rtw_chip_info *chip = rtwdev->chip; 1027 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1028 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1029 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1030 struct sk_buff *skb; 1031 u32 size; 1032 1033 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1034 skb = alloc_skb(size, GFP_KERNEL); 1035 if (!skb) 1036 return NULL; 1037 1038 skb_reserve(skb, chip->tx_pkt_desc_sz); 1039 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1040 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1041 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1042 pg_info_hdr->sec_cam_count = 1043 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1044 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1045 1046 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1047 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1048 1049 return skb; 1050 } 1051 1052 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1053 struct rtw_rsvd_page *rsvd_pkt) 1054 { 1055 struct ieee80211_vif *vif; 1056 struct rtw_vif *rtwvif; 1057 struct sk_buff *skb_new; 1058 struct cfg80211_ssid *ssid; 1059 u16 tim_offset = 0; 1060 1061 if (rsvd_pkt->type == RSVD_DUMMY) { 1062 skb_new = alloc_skb(1, GFP_KERNEL); 1063 if (!skb_new) 1064 return NULL; 1065 1066 skb_put(skb_new, 1); 1067 return skb_new; 1068 } 1069 1070 rtwvif = rsvd_pkt->rtwvif; 1071 if (!rtwvif) 1072 return NULL; 1073 1074 vif = rtwvif_to_vif(rtwvif); 1075 1076 switch (rsvd_pkt->type) { 1077 case RSVD_BEACON: 1078 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1079 rsvd_pkt->tim_offset = tim_offset; 1080 break; 1081 case RSVD_PS_POLL: 1082 skb_new = ieee80211_pspoll_get(hw, vif); 1083 break; 1084 case RSVD_PROBE_RESP: 1085 skb_new = ieee80211_proberesp_get(hw, vif); 1086 break; 1087 case RSVD_NULL: 1088 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1089 break; 1090 case RSVD_QOS_NULL: 1091 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1092 break; 1093 case RSVD_LPS_PG_DPK: 1094 skb_new = rtw_lps_pg_dpk_get(hw); 1095 break; 1096 case RSVD_LPS_PG_INFO: 1097 skb_new = rtw_lps_pg_info_get(hw); 1098 break; 1099 case RSVD_PROBE_REQ: 1100 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1101 if (ssid) 1102 skb_new = ieee80211_probereq_get(hw, vif->addr, 1103 ssid->ssid, 1104 ssid->ssid_len, 0); 1105 else 1106 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1107 if (skb_new) 1108 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1109 break; 1110 case RSVD_NLO_INFO: 1111 skb_new = rtw_nlo_info_get(hw); 1112 break; 1113 case RSVD_CH_INFO: 1114 skb_new = rtw_cs_channel_info_get(hw); 1115 break; 1116 default: 1117 return NULL; 1118 } 1119 1120 if (!skb_new) 1121 return NULL; 1122 1123 return skb_new; 1124 } 1125 1126 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1127 enum rtw_rsvd_packet_type type) 1128 { 1129 struct rtw_tx_pkt_info pkt_info = {0}; 1130 const struct rtw_chip_info *chip = rtwdev->chip; 1131 u8 *pkt_desc; 1132 1133 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1134 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1135 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1136 rtw_tx_fill_tx_desc(&pkt_info, skb); 1137 } 1138 1139 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1140 { 1141 return DIV_ROUND_UP(len, page_size); 1142 } 1143 1144 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1145 u8 page_margin, u32 page, u8 *buf, 1146 struct rtw_rsvd_page *rsvd_pkt) 1147 { 1148 struct sk_buff *skb = rsvd_pkt->skb; 1149 1150 if (page >= 1) 1151 memcpy(buf + page_margin + page_size * (page - 1), 1152 skb->data, skb->len); 1153 else 1154 memcpy(buf, skb->data, skb->len); 1155 } 1156 1157 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1158 enum rtw_rsvd_packet_type type, 1159 bool txdesc) 1160 { 1161 struct rtw_rsvd_page *rsvd_pkt = NULL; 1162 1163 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1164 1165 if (!rsvd_pkt) 1166 return NULL; 1167 1168 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1169 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1170 rsvd_pkt->type = type; 1171 rsvd_pkt->add_txdesc = txdesc; 1172 1173 return rsvd_pkt; 1174 } 1175 1176 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1177 struct rtw_vif *rtwvif, 1178 struct rtw_rsvd_page *rsvd_pkt) 1179 { 1180 lockdep_assert_held(&rtwdev->mutex); 1181 1182 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1183 } 1184 1185 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1186 struct rtw_vif *rtwvif, 1187 enum rtw_rsvd_packet_type type, 1188 bool txdesc) 1189 { 1190 struct rtw_rsvd_page *rsvd_pkt; 1191 1192 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1193 if (!rsvd_pkt) { 1194 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1195 return; 1196 } 1197 1198 rsvd_pkt->rtwvif = rtwvif; 1199 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1200 } 1201 1202 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1203 struct rtw_vif *rtwvif, 1204 struct cfg80211_ssid *ssid) 1205 { 1206 struct rtw_rsvd_page *rsvd_pkt; 1207 1208 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1209 if (!rsvd_pkt) { 1210 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1211 return; 1212 } 1213 1214 rsvd_pkt->rtwvif = rtwvif; 1215 rsvd_pkt->ssid = ssid; 1216 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1217 } 1218 1219 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1220 struct rtw_vif *rtwvif) 1221 { 1222 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1223 1224 lockdep_assert_held(&rtwdev->mutex); 1225 1226 /* remove all of the rsvd pages for vif */ 1227 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1228 vif_list) { 1229 list_del(&rsvd_pkt->vif_list); 1230 if (!list_empty(&rsvd_pkt->build_list)) 1231 list_del(&rsvd_pkt->build_list); 1232 kfree(rsvd_pkt); 1233 } 1234 } 1235 1236 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1237 struct rtw_vif *rtwvif) 1238 { 1239 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1240 1241 if (vif->type != NL80211_IFTYPE_AP && 1242 vif->type != NL80211_IFTYPE_ADHOC && 1243 vif->type != NL80211_IFTYPE_MESH_POINT) { 1244 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1245 vif->type); 1246 return; 1247 } 1248 1249 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1250 } 1251 1252 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1253 struct rtw_vif *rtwvif) 1254 { 1255 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1256 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1257 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1258 struct cfg80211_ssid *ssid; 1259 int i; 1260 1261 if (vif->type != NL80211_IFTYPE_STATION) { 1262 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1263 vif->type); 1264 return; 1265 } 1266 1267 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1268 ssid = &rtw_pno_req->match_sets[i].ssid; 1269 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1270 } 1271 1272 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1273 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1274 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1275 } 1276 1277 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1278 struct rtw_vif *rtwvif) 1279 { 1280 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1281 1282 if (vif->type != NL80211_IFTYPE_STATION) { 1283 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1284 vif->type); 1285 return; 1286 } 1287 1288 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1289 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1290 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1291 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1292 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1293 } 1294 1295 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1296 u8 *buf, u32 size) 1297 { 1298 u8 bckp[2]; 1299 u8 val; 1300 u16 rsvd_pg_head; 1301 u32 bcn_valid_addr; 1302 u32 bcn_valid_mask; 1303 int ret; 1304 1305 lockdep_assert_held(&rtwdev->mutex); 1306 1307 if (!size) 1308 return -EINVAL; 1309 1310 if (rtw_chip_wcpu_11n(rtwdev)) { 1311 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1312 } else { 1313 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1314 pg_addr |= BIT_BCN_VALID_V1; 1315 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1316 } 1317 1318 val = rtw_read8(rtwdev, REG_CR + 1); 1319 bckp[0] = val; 1320 val |= BIT_ENSWBCN >> 8; 1321 rtw_write8(rtwdev, REG_CR + 1, val); 1322 1323 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1324 bckp[1] = val; 1325 val &= ~(BIT_EN_BCNQ_DL >> 16); 1326 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1327 1328 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1329 if (ret) { 1330 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1331 goto restore; 1332 } 1333 1334 if (rtw_chip_wcpu_11n(rtwdev)) { 1335 bcn_valid_addr = REG_DWBCN0_CTRL; 1336 bcn_valid_mask = BIT_BCN_VALID; 1337 } else { 1338 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1339 bcn_valid_mask = BIT_BCN_VALID_V1; 1340 } 1341 1342 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1343 rtw_err(rtwdev, "error beacon valid\n"); 1344 ret = -EBUSY; 1345 } 1346 1347 restore: 1348 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1349 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1350 rsvd_pg_head | BIT_BCN_VALID_V1); 1351 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1352 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1353 1354 return ret; 1355 } 1356 1357 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1358 { 1359 u32 pg_size; 1360 u32 pg_num = 0; 1361 u16 pg_addr = 0; 1362 1363 pg_size = rtwdev->chip->page_size; 1364 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1365 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1366 return -ENOMEM; 1367 1368 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1369 1370 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1371 } 1372 1373 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1374 { 1375 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1376 1377 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1378 build_list) { 1379 list_del_init(&rsvd_pkt->build_list); 1380 1381 /* Don't free except for the dummy rsvd page, 1382 * others will be freed when removing vif 1383 */ 1384 if (rsvd_pkt->type == RSVD_DUMMY) 1385 kfree(rsvd_pkt); 1386 } 1387 } 1388 1389 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1390 struct ieee80211_vif *vif) 1391 { 1392 struct rtw_dev *rtwdev = data; 1393 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1394 struct rtw_rsvd_page *rsvd_pkt; 1395 1396 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1397 if (rsvd_pkt->type == RSVD_BEACON) 1398 list_add(&rsvd_pkt->build_list, 1399 &rtwdev->rsvd_page_list); 1400 else 1401 list_add_tail(&rsvd_pkt->build_list, 1402 &rtwdev->rsvd_page_list); 1403 } 1404 } 1405 1406 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1407 { 1408 struct rtw_rsvd_page *rsvd_pkt; 1409 1410 __rtw_build_rsvd_page_reset(rtwdev); 1411 1412 /* gather rsvd page from vifs */ 1413 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1414 1415 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1416 struct rtw_rsvd_page, build_list); 1417 if (!rsvd_pkt) { 1418 WARN(1, "Should not have an empty reserved page\n"); 1419 return -EINVAL; 1420 } 1421 1422 /* the first rsvd should be beacon, otherwise add a dummy one */ 1423 if (rsvd_pkt->type != RSVD_BEACON) { 1424 struct rtw_rsvd_page *dummy_pkt; 1425 1426 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1427 if (!dummy_pkt) { 1428 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1429 return -ENOMEM; 1430 } 1431 1432 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1433 } 1434 1435 return 0; 1436 } 1437 1438 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1439 { 1440 struct ieee80211_hw *hw = rtwdev->hw; 1441 const struct rtw_chip_info *chip = rtwdev->chip; 1442 struct sk_buff *iter; 1443 struct rtw_rsvd_page *rsvd_pkt; 1444 u32 page = 0; 1445 u8 total_page = 0; 1446 u8 page_size, page_margin, tx_desc_sz; 1447 u8 *buf; 1448 int ret; 1449 1450 page_size = chip->page_size; 1451 tx_desc_sz = chip->tx_pkt_desc_sz; 1452 page_margin = page_size - tx_desc_sz; 1453 1454 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1455 if (ret) { 1456 rtw_err(rtwdev, 1457 "failed to build rsvd page from vifs, ret %d\n", ret); 1458 return NULL; 1459 } 1460 1461 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1462 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1463 if (!iter) { 1464 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1465 goto release_skb; 1466 } 1467 1468 /* Fill the tx_desc for the rsvd pkt that requires one. 1469 * And iter->len will be added with size of tx_desc_sz. 1470 */ 1471 if (rsvd_pkt->add_txdesc) 1472 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1473 1474 rsvd_pkt->skb = iter; 1475 rsvd_pkt->page = total_page; 1476 1477 /* Reserved page is downloaded via TX path, and TX path will 1478 * generate a tx_desc at the header to describe length of 1479 * the buffer. If we are not counting page numbers with the 1480 * size of tx_desc added at the first rsvd_pkt (usually a 1481 * beacon, firmware default refer to the first page as the 1482 * content of beacon), we could generate a buffer which size 1483 * is smaller than the actual size of the whole rsvd_page 1484 */ 1485 if (total_page == 0) { 1486 if (rsvd_pkt->type != RSVD_BEACON && 1487 rsvd_pkt->type != RSVD_DUMMY) { 1488 rtw_err(rtwdev, "first page should be a beacon\n"); 1489 goto release_skb; 1490 } 1491 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1492 page_size); 1493 } else { 1494 total_page += rtw_len_to_page(iter->len, page_size); 1495 } 1496 } 1497 1498 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1499 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1500 goto release_skb; 1501 } 1502 1503 *size = (total_page - 1) * page_size + page_margin; 1504 buf = kzalloc(*size, GFP_KERNEL); 1505 if (!buf) 1506 goto release_skb; 1507 1508 /* Copy the content of each rsvd_pkt to the buf, and they should 1509 * be aligned to the pages. 1510 * 1511 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1512 * And that rsvd_pkt does not require tx_desc because when it goes 1513 * through TX path, the TX path will generate one for it. 1514 */ 1515 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1516 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1517 page, buf, rsvd_pkt); 1518 if (page == 0) 1519 page += rtw_len_to_page(rsvd_pkt->skb->len + 1520 tx_desc_sz, page_size); 1521 else 1522 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1523 1524 kfree_skb(rsvd_pkt->skb); 1525 rsvd_pkt->skb = NULL; 1526 } 1527 1528 return buf; 1529 1530 release_skb: 1531 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1532 kfree_skb(rsvd_pkt->skb); 1533 rsvd_pkt->skb = NULL; 1534 } 1535 1536 return NULL; 1537 } 1538 1539 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1540 { 1541 struct ieee80211_hw *hw = rtwdev->hw; 1542 struct rtw_rsvd_page *rsvd_pkt; 1543 struct sk_buff *skb; 1544 int ret = 0; 1545 1546 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1547 struct rtw_rsvd_page, build_list); 1548 if (!rsvd_pkt) { 1549 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1550 return -ENOENT; 1551 } 1552 1553 if (rsvd_pkt->type != RSVD_BEACON && 1554 rsvd_pkt->type != RSVD_DUMMY) { 1555 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1556 rsvd_pkt->type); 1557 return -EINVAL; 1558 } 1559 1560 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1561 if (!skb) { 1562 rtw_err(rtwdev, "failed to get beacon skb\n"); 1563 return -ENOMEM; 1564 } 1565 1566 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1567 if (ret) 1568 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1569 1570 dev_kfree_skb(skb); 1571 1572 return ret; 1573 } 1574 1575 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1576 { 1577 u8 *buf; 1578 u32 size; 1579 int ret; 1580 1581 buf = rtw_build_rsvd_page(rtwdev, &size); 1582 if (!buf) { 1583 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1584 return -ENOMEM; 1585 } 1586 1587 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1588 if (ret) { 1589 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1590 goto free; 1591 } 1592 1593 /* The last thing is to download the *ONLY* beacon again, because 1594 * the previous tx_desc is to describe the total rsvd page. Download 1595 * the beacon again to replace the TX desc header, and we will get 1596 * a correct tx_desc for the beacon in the rsvd page. 1597 */ 1598 ret = rtw_download_beacon(rtwdev); 1599 if (ret) { 1600 rtw_err(rtwdev, "failed to download beacon\n"); 1601 goto free; 1602 } 1603 1604 free: 1605 kfree(buf); 1606 1607 return ret; 1608 } 1609 1610 void rtw_fw_update_beacon_work(struct work_struct *work) 1611 { 1612 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1613 update_beacon_work); 1614 1615 mutex_lock(&rtwdev->mutex); 1616 rtw_fw_download_rsvd_page(rtwdev); 1617 mutex_unlock(&rtwdev->mutex); 1618 } 1619 1620 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1621 u32 *buf, u32 residue, u16 start_pg) 1622 { 1623 u32 i; 1624 u16 idx = 0; 1625 u16 ctl; 1626 1627 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1628 /* disable rx clock gate */ 1629 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1630 1631 do { 1632 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1633 1634 for (i = FIFO_DUMP_ADDR + residue; 1635 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1636 buf[idx++] = rtw_read32(rtwdev, i); 1637 size -= 4; 1638 if (size == 0) 1639 goto out; 1640 } 1641 1642 residue = 0; 1643 start_pg++; 1644 } while (size); 1645 1646 out: 1647 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1648 /* restore rx clock gate */ 1649 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1650 } 1651 1652 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1653 u32 offset, u32 size, u32 *buf) 1654 { 1655 const struct rtw_chip_info *chip = rtwdev->chip; 1656 u32 start_pg, residue; 1657 1658 if (sel >= RTW_FW_FIFO_MAX) { 1659 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1660 return; 1661 } 1662 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1663 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1664 residue = offset & (FIFO_PAGE_SIZE - 1); 1665 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1666 1667 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1668 } 1669 1670 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1671 enum rtw_fw_fifo_sel sel, 1672 u32 start_addr, u32 size) 1673 { 1674 switch (sel) { 1675 case RTW_FW_FIFO_SEL_TX: 1676 case RTW_FW_FIFO_SEL_RX: 1677 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1678 return false; 1679 fallthrough; 1680 default: 1681 return true; 1682 } 1683 } 1684 1685 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1686 u32 *buffer) 1687 { 1688 if (!rtwdev->chip->fw_fifo_addr[0]) { 1689 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1690 return -ENOTSUPP; 1691 } 1692 1693 if (size == 0 || !buffer) 1694 return -EINVAL; 1695 1696 if (size & 0x3) { 1697 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1698 return -EINVAL; 1699 } 1700 1701 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1702 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1703 return -EINVAL; 1704 } 1705 1706 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1707 1708 return 0; 1709 } 1710 1711 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1712 u8 location) 1713 { 1714 const struct rtw_chip_info *chip = rtwdev->chip; 1715 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1716 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1717 1718 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1719 1720 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1721 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1722 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1723 1724 /* include txdesc size */ 1725 size += chip->tx_pkt_desc_sz; 1726 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1727 1728 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1729 } 1730 1731 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1732 struct cfg80211_ssid *ssid) 1733 { 1734 u8 loc; 1735 u16 size; 1736 1737 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1738 if (!loc) { 1739 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1740 return; 1741 } 1742 1743 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1744 if (!size) { 1745 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1746 return; 1747 } 1748 1749 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1750 } 1751 1752 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1753 { 1754 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1755 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1756 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1757 u8 loc_ch_info; 1758 const struct rtw_ch_switch_option cs_option = { 1759 .dest_ch_en = 1, 1760 .dest_ch = 1, 1761 .periodic_option = 2, 1762 .normal_period = 5, 1763 .normal_period_sel = 0, 1764 .normal_cycle = 10, 1765 .slow_period = 1, 1766 .slow_period_sel = 1, 1767 }; 1768 1769 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1770 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1771 1772 CH_SWITCH_SET_START(h2c_pkt, enable); 1773 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1774 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1775 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1776 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1777 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1778 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1779 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1780 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1781 1782 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1783 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1784 1785 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1786 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1787 1788 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1789 } 1790 1791 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1792 { 1793 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1794 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1795 1796 if (!rtw_edcca_enabled) { 1797 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1798 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1799 "EDCCA disabled by debugfs\n"); 1800 } 1801 1802 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1803 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1804 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1805 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1806 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1807 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1808 1809 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1810 } 1811 1812 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1813 { 1814 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1815 1816 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1817 SET_SCAN_START(h2c_pkt, start); 1818 1819 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1820 } 1821 1822 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1823 struct sk_buff_head *list, u8 *bands, 1824 struct rtw_vif *rtwvif) 1825 { 1826 const struct rtw_chip_info *chip = rtwdev->chip; 1827 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1828 struct sk_buff *new; 1829 u8 idx; 1830 1831 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1832 if (!(BIT(idx) & chip->band)) 1833 continue; 1834 new = skb_copy(skb, GFP_KERNEL); 1835 if (!new) 1836 return -ENOMEM; 1837 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1838 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1839 skb_queue_tail(list, new); 1840 (*bands)++; 1841 } 1842 1843 return 0; 1844 } 1845 1846 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 1847 struct sk_buff_head *probe_req_list) 1848 { 1849 const struct rtw_chip_info *chip = rtwdev->chip; 1850 struct sk_buff *skb, *tmp; 1851 u8 page_offset = 1, *buf, page_size = chip->page_size; 1852 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 1853 u16 buf_offset = page_size * page_offset; 1854 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 1855 u8 page_cnt, pages; 1856 unsigned int pkt_len; 1857 int ret; 1858 1859 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 1860 page_cnt = RTW_OLD_PROBE_PG_CNT; 1861 else 1862 page_cnt = RTW_PROBE_PG_CNT; 1863 1864 pages = page_offset + num_probes * page_cnt; 1865 1866 buf = kzalloc(page_size * pages, GFP_KERNEL); 1867 if (!buf) 1868 return -ENOMEM; 1869 1870 buf_offset -= tx_desc_sz; 1871 skb_queue_walk_safe(probe_req_list, skb, tmp) { 1872 skb_unlink(skb, probe_req_list); 1873 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 1874 if (skb->len > page_size * page_cnt) { 1875 ret = -EINVAL; 1876 goto out; 1877 } 1878 1879 memcpy(buf + buf_offset, skb->data, skb->len); 1880 pkt_len = skb->len - tx_desc_sz; 1881 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 1882 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 1883 1884 buf_offset += page_cnt * page_size; 1885 page_offset += page_cnt; 1886 kfree_skb(skb); 1887 } 1888 1889 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 1890 if (ret) { 1891 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 1892 goto out; 1893 } 1894 1895 rtwdev->scan_info.probe_pg_size = page_offset; 1896 out: 1897 kfree(buf); 1898 skb_queue_walk_safe(probe_req_list, skb, tmp) 1899 kfree_skb(skb); 1900 1901 return ret; 1902 } 1903 1904 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 1905 struct rtw_vif *rtwvif) 1906 { 1907 struct cfg80211_scan_request *req = rtwvif->scan_req; 1908 struct sk_buff_head list; 1909 struct sk_buff *skb, *tmp; 1910 u8 num = req->n_ssids, i, bands = 0; 1911 int ret; 1912 1913 skb_queue_head_init(&list); 1914 for (i = 0; i < num; i++) { 1915 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 1916 req->ssids[i].ssid, 1917 req->ssids[i].ssid_len, 1918 req->ie_len); 1919 if (!skb) { 1920 ret = -ENOMEM; 1921 goto out; 1922 } 1923 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 1924 rtwvif); 1925 if (ret) 1926 goto out; 1927 1928 kfree_skb(skb); 1929 } 1930 1931 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 1932 1933 out: 1934 skb_queue_walk_safe(&list, skb, tmp) 1935 kfree_skb(skb); 1936 1937 return ret; 1938 } 1939 1940 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 1941 struct rtw_chan_list *list, u8 *buf) 1942 { 1943 u8 *chan = &buf[list->size]; 1944 u8 info_size = RTW_CH_INFO_SIZE; 1945 1946 if (list->size > list->buf_size) 1947 return -ENOMEM; 1948 1949 CH_INFO_SET_CH(chan, info->channel); 1950 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 1951 CH_INFO_SET_BW(chan, info->bw); 1952 CH_INFO_SET_TIMEOUT(chan, info->timeout); 1953 CH_INFO_SET_ACTION_ID(chan, info->action_id); 1954 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 1955 if (info->extra_info) { 1956 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 1957 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 1958 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 1959 RTW_EX_CH_INFO_HDR_SIZE); 1960 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 1961 info_size += RTW_EX_CH_INFO_SIZE; 1962 } 1963 list->size += info_size; 1964 list->ch_num++; 1965 1966 return 0; 1967 } 1968 1969 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 1970 struct rtw_chan_list *list, u8 *buf) 1971 { 1972 struct cfg80211_scan_request *req = rtwvif->scan_req; 1973 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 1974 struct ieee80211_channel *channel; 1975 int i, ret = 0; 1976 1977 for (i = 0; i < req->n_channels; i++) { 1978 struct rtw_chan_info ch_info = {0}; 1979 1980 channel = req->channels[i]; 1981 ch_info.channel = channel->hw_value; 1982 ch_info.bw = RTW_SCAN_WIDTH; 1983 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 1984 ch_info.timeout = req->duration_mandatory ? 1985 req->duration : RTW_CHANNEL_TIME; 1986 1987 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 1988 ch_info.action_id = RTW_CHANNEL_RADAR; 1989 ch_info.extra_info = 1; 1990 /* Overwrite duration for passive scans if necessary */ 1991 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 1992 ch_info.timeout : RTW_PASS_CHAN_TIME; 1993 } else { 1994 ch_info.action_id = RTW_CHANNEL_ACTIVE; 1995 } 1996 1997 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 1998 if (ret) 1999 return ret; 2000 } 2001 2002 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2003 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2004 return -EINVAL; 2005 } 2006 2007 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2008 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2009 if (ret) 2010 rtw_err(rtwdev, "Download channel list failed\n"); 2011 2012 return ret; 2013 } 2014 2015 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2016 struct rtw_ch_switch_option *opt, 2017 struct rtw_vif *rtwvif, 2018 struct rtw_chan_list *list) 2019 { 2020 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2021 struct cfg80211_scan_request *req = rtwvif->scan_req; 2022 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2023 /* reserve one dummy page at the beginning for tx descriptor */ 2024 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2025 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2026 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2027 2028 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2029 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2030 2031 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2032 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2033 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2034 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2035 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2036 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2037 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2038 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2039 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2040 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2041 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2042 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2043 req->duration : RTW_CHANNEL_TIME); 2044 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2045 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2046 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2047 2048 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2049 } 2050 2051 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2052 struct ieee80211_scan_request *scan_req) 2053 { 2054 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2055 struct cfg80211_scan_request *req = &scan_req->req; 2056 u8 mac_addr[ETH_ALEN]; 2057 2058 rtwdev->scan_info.scanning_vif = vif; 2059 rtwvif->scan_ies = &scan_req->ies; 2060 rtwvif->scan_req = req; 2061 2062 ieee80211_stop_queues(rtwdev->hw); 2063 rtw_leave_lps_deep(rtwdev); 2064 rtw_hci_flush_all_queues(rtwdev, false); 2065 rtw_mac_flush_all_queues(rtwdev, false); 2066 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2067 get_random_mask_addr(mac_addr, req->mac_addr, 2068 req->mac_addr_mask); 2069 else 2070 ether_addr_copy(mac_addr, vif->addr); 2071 2072 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2073 2074 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2075 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2076 } 2077 2078 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2079 bool aborted) 2080 { 2081 struct cfg80211_scan_info info = { 2082 .aborted = aborted, 2083 }; 2084 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2085 struct rtw_hal *hal = &rtwdev->hal; 2086 struct rtw_vif *rtwvif; 2087 u8 chan = scan_info->op_chan; 2088 2089 if (!vif) 2090 return; 2091 2092 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2093 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2094 2095 rtw_core_scan_complete(rtwdev, vif, true); 2096 2097 rtwvif = (struct rtw_vif *)vif->drv_priv; 2098 if (chan) 2099 rtw_store_op_chan(rtwdev, false); 2100 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2101 ieee80211_wake_queues(rtwdev->hw); 2102 ieee80211_scan_completed(rtwdev->hw, &info); 2103 2104 rtwvif->scan_req = NULL; 2105 rtwvif->scan_ies = NULL; 2106 rtwdev->scan_info.scanning_vif = NULL; 2107 } 2108 2109 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2110 struct rtw_chan_list *list) 2111 { 2112 struct cfg80211_scan_request *req = rtwvif->scan_req; 2113 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2114 u8 *buf; 2115 int ret; 2116 2117 buf = kmalloc(size, GFP_KERNEL); 2118 if (!buf) 2119 return -ENOMEM; 2120 2121 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2122 if (ret) { 2123 rtw_err(rtwdev, "Update probe request failed\n"); 2124 goto out; 2125 } 2126 2127 list->buf_size = size; 2128 list->size = 0; 2129 list->ch_num = 0; 2130 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2131 out: 2132 kfree(buf); 2133 2134 return ret; 2135 } 2136 2137 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2138 bool enable) 2139 { 2140 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2141 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2142 struct rtw_ch_switch_option cs_option = {0}; 2143 struct rtw_chan_list chan_list = {0}; 2144 int ret = 0; 2145 2146 if (!rtwvif) 2147 return -EINVAL; 2148 2149 cs_option.switch_en = enable; 2150 cs_option.back_op_en = scan_info->op_chan != 0; 2151 if (enable) { 2152 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2153 if (ret) 2154 goto out; 2155 } 2156 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2157 out: 2158 return ret; 2159 } 2160 2161 void rtw_hw_scan_abort(struct rtw_dev *rtwdev, struct ieee80211_vif *vif) 2162 { 2163 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2164 return; 2165 2166 rtw_hw_scan_offload(rtwdev, vif, false); 2167 rtw_hw_scan_complete(rtwdev, vif, true); 2168 } 2169 2170 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2171 { 2172 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2173 struct rtw_c2h_cmd *c2h; 2174 bool aborted; 2175 u8 rc; 2176 2177 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2178 return; 2179 2180 c2h = get_c2h_from_skb(skb); 2181 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2182 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2183 rtw_hw_scan_complete(rtwdev, vif, aborted); 2184 2185 if (aborted) 2186 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2187 } 2188 2189 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2190 { 2191 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2192 struct rtw_hal *hal = &rtwdev->hal; 2193 u8 band; 2194 2195 if (backup) { 2196 scan_info->op_chan = hal->current_channel; 2197 scan_info->op_bw = hal->current_band_width; 2198 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2199 scan_info->op_pri_ch = hal->primary_channel; 2200 } else { 2201 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2202 rtw_update_channel(rtwdev, scan_info->op_chan, 2203 scan_info->op_pri_ch, 2204 band, scan_info->op_bw); 2205 } 2206 } 2207 2208 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2209 { 2210 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2211 2212 scan_info->op_chan = 0; 2213 scan_info->op_bw = 0; 2214 scan_info->op_pri_ch_idx = 0; 2215 scan_info->op_pri_ch = 0; 2216 } 2217 2218 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2219 { 2220 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2221 2222 return channel == scan_info->op_chan; 2223 } 2224 2225 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2226 { 2227 struct rtw_hal *hal = &rtwdev->hal; 2228 struct rtw_c2h_cmd *c2h; 2229 enum rtw_scan_notify_id id; 2230 u8 chan, band, status; 2231 2232 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2233 return; 2234 2235 c2h = get_c2h_from_skb(skb); 2236 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2237 id = GET_CHAN_SWITCH_ID(c2h->payload); 2238 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2239 2240 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2241 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2242 rtw_update_channel(rtwdev, chan, chan, band, 2243 RTW_CHANNEL_WIDTH_20); 2244 if (rtw_is_op_chan(rtwdev, chan)) { 2245 rtw_store_op_chan(rtwdev, false); 2246 ieee80211_wake_queues(rtwdev->hw); 2247 } 2248 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2249 if (IS_CH_5G_BAND(chan)) { 2250 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2251 } else if (IS_CH_2G_BAND(chan)) { 2252 u8 chan_type; 2253 2254 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2255 chan_type = COEX_SWITCH_TO_24G; 2256 else 2257 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2258 rtw_coex_switchband_notify(rtwdev, chan_type); 2259 } 2260 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2261 * channel that hardware will switch. We need to stop queue 2262 * if next channel is non-op channel. 2263 */ 2264 if (!rtw_is_op_chan(rtwdev, chan) && 2265 rtw_is_op_chan(rtwdev, hal->current_channel)) 2266 ieee80211_stop_queues(rtwdev->hw); 2267 } 2268 2269 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2270 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2271 } 2272