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, 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_register(struct rtw_dev *rtwdev, 312 struct rtw_h2c_register *h2c) 313 { 314 u32 box_reg, box_ex_reg; 315 u8 box_state, box; 316 int ret; 317 318 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0, 319 h2c->w1); 320 321 lockdep_assert_held(&rtwdev->mutex); 322 323 box = rtwdev->h2c.last_box_num; 324 switch (box) { 325 case 0: 326 box_reg = REG_HMEBOX0; 327 box_ex_reg = REG_HMEBOX0_EX; 328 break; 329 case 1: 330 box_reg = REG_HMEBOX1; 331 box_ex_reg = REG_HMEBOX1_EX; 332 break; 333 case 2: 334 box_reg = REG_HMEBOX2; 335 box_ex_reg = REG_HMEBOX2_EX; 336 break; 337 case 3: 338 box_reg = REG_HMEBOX3; 339 box_ex_reg = REG_HMEBOX3_EX; 340 break; 341 default: 342 WARN(1, "invalid h2c mail box number\n"); 343 return; 344 } 345 346 ret = read_poll_timeout_atomic(rtw_read8, box_state, 347 !((box_state >> box) & 0x1), 100, 3000, 348 false, rtwdev, REG_HMETFR); 349 350 if (ret) { 351 rtw_err(rtwdev, "failed to send h2c command\n"); 352 return; 353 } 354 355 rtw_write32(rtwdev, box_ex_reg, h2c->w1); 356 rtw_write32(rtwdev, box_reg, h2c->w0); 357 358 if (++rtwdev->h2c.last_box_num >= 4) 359 rtwdev->h2c.last_box_num = 0; 360 } 361 362 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 363 u8 *h2c) 364 { 365 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 366 u8 box; 367 u8 box_state; 368 u32 box_reg, box_ex_reg; 369 int ret; 370 371 rtw_dbg(rtwdev, RTW_DBG_FW, 372 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 373 h2c[3], h2c[2], h2c[1], h2c[0], 374 h2c[7], h2c[6], h2c[5], h2c[4]); 375 376 lockdep_assert_held(&rtwdev->mutex); 377 378 box = rtwdev->h2c.last_box_num; 379 switch (box) { 380 case 0: 381 box_reg = REG_HMEBOX0; 382 box_ex_reg = REG_HMEBOX0_EX; 383 break; 384 case 1: 385 box_reg = REG_HMEBOX1; 386 box_ex_reg = REG_HMEBOX1_EX; 387 break; 388 case 2: 389 box_reg = REG_HMEBOX2; 390 box_ex_reg = REG_HMEBOX2_EX; 391 break; 392 case 3: 393 box_reg = REG_HMEBOX3; 394 box_ex_reg = REG_HMEBOX3_EX; 395 break; 396 default: 397 WARN(1, "invalid h2c mail box number\n"); 398 return; 399 } 400 401 ret = read_poll_timeout_atomic(rtw_read8, box_state, 402 !((box_state >> box) & 0x1), 100, 3000, 403 false, rtwdev, REG_HMETFR); 404 405 if (ret) { 406 rtw_err(rtwdev, "failed to send h2c command\n"); 407 return; 408 } 409 410 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 411 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 412 413 if (++rtwdev->h2c.last_box_num >= 4) 414 rtwdev->h2c.last_box_num = 0; 415 } 416 417 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 418 { 419 rtw_fw_send_h2c_command(rtwdev, h2c); 420 } 421 422 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 423 { 424 int ret; 425 426 lockdep_assert_held(&rtwdev->mutex); 427 428 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 429 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 430 if (ret) 431 rtw_err(rtwdev, "failed to send h2c packet\n"); 432 rtwdev->h2c.seq++; 433 } 434 435 void 436 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 437 { 438 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 439 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 440 u16 total_size = H2C_PKT_HDR_SIZE + 4; 441 442 if (rtw_chip_wcpu_11n(rtwdev)) 443 return; 444 445 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 446 447 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 448 449 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 450 fifo->rsvd_fw_txbuf_addr - 451 fifo->rsvd_boundary); 452 453 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 454 } 455 456 void 457 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 458 { 459 struct rtw_hal *hal = &rtwdev->hal; 460 struct rtw_efuse *efuse = &rtwdev->efuse; 461 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 462 u16 total_size = H2C_PKT_HDR_SIZE + 8; 463 u8 fw_rf_type = 0; 464 465 if (rtw_chip_wcpu_11n(rtwdev)) 466 return; 467 468 if (hal->rf_type == RF_1T1R) 469 fw_rf_type = FW_RF_1T1R; 470 else if (hal->rf_type == RF_2T2R) 471 fw_rf_type = FW_RF_2T2R; 472 473 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 474 475 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 476 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 477 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 478 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 479 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 480 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 481 482 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 483 } 484 485 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 486 { 487 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 488 u16 total_size = H2C_PKT_HDR_SIZE + 1; 489 490 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 491 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 492 IQK_SET_CLEAR(h2c_pkt, para->clear); 493 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 494 495 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 496 } 497 EXPORT_SYMBOL(rtw_fw_do_iqk); 498 499 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 500 { 501 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 502 503 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 504 505 RFK_SET_INFORM_START(h2c_pkt, start); 506 507 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 508 } 509 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 510 511 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 512 { 513 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 514 515 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 516 517 SET_QUERY_BT_INFO(h2c_pkt, true); 518 519 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 520 } 521 522 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) 523 { 524 struct rtw_h2c_register h2c = {}; 525 526 if (rtwvif->net_type != RTW_NET_MGD_LINKED) 527 return; 528 529 /* Leave LPS before default port H2C so FW timer is correct */ 530 rtw_leave_lps(rtwdev); 531 532 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) | 533 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) | 534 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID); 535 536 rtw_fw_send_h2c_command_register(rtwdev, &h2c); 537 } 538 539 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 540 { 541 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 542 543 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 544 545 SET_WL_CH_INFO_LINK(h2c_pkt, link); 546 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 547 SET_WL_CH_INFO_BW(h2c_pkt, bw); 548 549 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 550 } 551 552 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 553 struct rtw_coex_info_req *req) 554 { 555 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 556 557 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 558 559 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 560 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 561 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 562 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 563 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 564 565 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 566 } 567 568 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 569 { 570 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 571 u8 index = 0 - bt_pwr_dec_lvl; 572 573 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 574 575 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 576 577 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 578 } 579 580 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 581 { 582 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 583 584 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 585 586 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 587 588 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 589 } 590 591 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 592 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 593 { 594 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 595 596 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 597 598 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 599 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 600 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 601 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 602 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 603 604 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 605 } 606 607 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 608 { 609 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 610 611 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 612 613 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 614 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 615 616 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 617 } 618 619 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 620 { 621 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 622 623 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 624 625 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 626 627 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 628 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 629 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 630 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 631 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 632 633 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 634 } 635 636 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 637 { 638 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 639 u8 rssi = ewma_rssi_read(&si->avg_rssi); 640 bool stbc_en = si->stbc_en ? true : false; 641 642 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 643 644 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 645 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 646 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 647 648 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 649 } 650 651 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 652 bool reset_ra_mask) 653 { 654 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 655 bool disable_pt = true; 656 657 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 658 659 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 660 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 661 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 662 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 663 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 664 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 665 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 666 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 667 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 668 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 669 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 670 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 671 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 672 673 si->init_ra_lv = 0; 674 675 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 676 } 677 678 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 679 { 680 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 681 682 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 683 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 684 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 685 686 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 687 } 688 689 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 690 { 691 struct rtw_traffic_stats *stats = &rtwdev->stats; 692 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 693 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 694 695 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 696 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 697 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 698 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 699 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 700 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 701 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 702 } 703 704 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 705 struct ieee80211_vif *vif) 706 { 707 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 708 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 709 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 710 struct rtw_sta_info *si = 711 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 712 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset; 713 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 714 715 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 716 return; 717 718 if (!connect) { 719 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 720 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 721 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 722 723 return; 724 } 725 726 if (!si) 727 return; 728 729 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 730 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 731 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 732 733 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 734 threshold = clamp_t(s32, threshold, rssi_min, rssi_max); 735 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 736 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 737 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 738 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 739 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold); 740 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 741 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 742 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst); 743 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 744 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 745 } 746 747 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 748 { 749 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 750 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 751 752 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 753 754 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 755 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 756 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 757 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 758 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 759 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 760 761 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 762 } 763 764 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 765 { 766 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 767 struct rtw_fw_wow_keep_alive_para mode = { 768 .adopt = true, 769 .pkt_type = KEEP_ALIVE_NULL_PKT, 770 .period = 5, 771 }; 772 773 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 774 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 775 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 776 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 777 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 778 779 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 780 } 781 782 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 783 { 784 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 785 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 786 struct rtw_fw_wow_disconnect_para mode = { 787 .adopt = true, 788 .period = 30, 789 .retry_count = 5, 790 }; 791 792 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 793 794 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 795 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 796 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 797 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 798 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 799 } 800 801 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 802 } 803 804 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 805 { 806 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 807 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 808 809 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 810 811 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 812 if (rtw_wow_mgd_linked(rtwdev)) { 813 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 814 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 815 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 816 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 817 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 818 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 819 if (rtw_wow->pattern_cnt) 820 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 821 } 822 823 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 824 } 825 826 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 827 u8 pairwise_key_enc, 828 u8 group_key_enc) 829 { 830 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 831 832 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 833 834 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 835 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 836 837 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 838 } 839 840 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 841 { 842 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 843 844 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 845 846 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 847 848 if (rtw_wow_no_link(rtwdev)) 849 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 850 851 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 852 } 853 854 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 855 enum rtw_rsvd_packet_type type) 856 { 857 struct rtw_rsvd_page *rsvd_pkt; 858 u8 location = 0; 859 860 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 861 if (type == rsvd_pkt->type) 862 location = rsvd_pkt->page; 863 } 864 865 return location; 866 } 867 868 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 869 { 870 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 871 u8 loc_nlo; 872 873 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 874 875 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 876 877 SET_NLO_FUN_EN(h2c_pkt, enable); 878 if (enable) { 879 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 880 SET_NLO_PS_32K(h2c_pkt, enable); 881 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 882 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 883 } 884 885 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 886 } 887 888 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 889 { 890 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 891 892 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 893 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 894 895 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 896 } 897 898 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 899 { 900 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 901 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 902 u8 loc_pg, loc_dpk; 903 904 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 905 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 906 907 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 908 909 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 910 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 911 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 912 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 913 914 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 915 } 916 917 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 918 struct cfg80211_ssid *ssid) 919 { 920 struct rtw_rsvd_page *rsvd_pkt; 921 u8 location = 0; 922 923 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 924 if (rsvd_pkt->type != RSVD_PROBE_REQ) 925 continue; 926 if ((!ssid && !rsvd_pkt->ssid) || 927 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 928 location = rsvd_pkt->page; 929 } 930 931 return location; 932 } 933 934 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 935 struct cfg80211_ssid *ssid) 936 { 937 struct rtw_rsvd_page *rsvd_pkt; 938 u16 size = 0; 939 940 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 941 if (rsvd_pkt->type != RSVD_PROBE_REQ) 942 continue; 943 if ((!ssid && !rsvd_pkt->ssid) || 944 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 945 size = rsvd_pkt->probe_req_size; 946 } 947 948 return size; 949 } 950 951 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 952 { 953 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 954 u8 location = 0; 955 956 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 957 958 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 959 *(h2c_pkt + 1) = location; 960 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 961 962 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 963 *(h2c_pkt + 2) = location; 964 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 965 966 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 967 *(h2c_pkt + 3) = location; 968 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 969 970 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 971 *(h2c_pkt + 4) = location; 972 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 973 974 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 975 } 976 977 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 978 { 979 struct rtw_dev *rtwdev = hw->priv; 980 const struct rtw_chip_info *chip = rtwdev->chip; 981 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 982 struct rtw_nlo_info_hdr *nlo_hdr; 983 struct cfg80211_ssid *ssid; 984 struct sk_buff *skb; 985 u8 *pos, loc; 986 u32 size; 987 int i; 988 989 if (!pno_req->inited || !pno_req->match_set_cnt) 990 return NULL; 991 992 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 993 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 994 995 skb = alloc_skb(size, GFP_KERNEL); 996 if (!skb) 997 return NULL; 998 999 skb_reserve(skb, chip->tx_pkt_desc_sz); 1000 1001 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 1002 1003 nlo_hdr->nlo_count = pno_req->match_set_cnt; 1004 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 1005 1006 /* pattern check for firmware */ 1007 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 1008 1009 for (i = 0; i < pno_req->match_set_cnt; i++) 1010 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 1011 1012 for (i = 0; i < pno_req->match_set_cnt; i++) { 1013 ssid = &pno_req->match_sets[i].ssid; 1014 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1015 if (!loc) { 1016 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 1017 kfree_skb(skb); 1018 return NULL; 1019 } 1020 nlo_hdr->location[i] = loc; 1021 } 1022 1023 for (i = 0; i < pno_req->match_set_cnt; i++) { 1024 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 1025 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 1026 pno_req->match_sets[i].ssid.ssid_len); 1027 } 1028 1029 return skb; 1030 } 1031 1032 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 1033 { 1034 struct rtw_dev *rtwdev = hw->priv; 1035 const struct rtw_chip_info *chip = rtwdev->chip; 1036 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1037 struct ieee80211_channel *channels = pno_req->channels; 1038 struct sk_buff *skb; 1039 int count = pno_req->channel_cnt; 1040 u8 *pos; 1041 int i = 0; 1042 1043 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 1044 if (!skb) 1045 return NULL; 1046 1047 skb_reserve(skb, chip->tx_pkt_desc_sz); 1048 1049 for (i = 0; i < count; i++) { 1050 pos = skb_put_zero(skb, 4); 1051 1052 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 1053 1054 if (channels[i].flags & IEEE80211_CHAN_RADAR) 1055 CHSW_INFO_SET_ACTION_ID(pos, 0); 1056 else 1057 CHSW_INFO_SET_ACTION_ID(pos, 1); 1058 CHSW_INFO_SET_TIMEOUT(pos, 1); 1059 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 1060 CHSW_INFO_SET_BW(pos, 0); 1061 } 1062 1063 return skb; 1064 } 1065 1066 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 1067 { 1068 struct rtw_dev *rtwdev = hw->priv; 1069 const struct rtw_chip_info *chip = rtwdev->chip; 1070 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1071 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1072 struct sk_buff *skb; 1073 u32 size; 1074 1075 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1076 skb = alloc_skb(size, GFP_KERNEL); 1077 if (!skb) 1078 return NULL; 1079 1080 skb_reserve(skb, chip->tx_pkt_desc_sz); 1081 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1082 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1083 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1084 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1085 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1086 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1087 1088 return skb; 1089 } 1090 1091 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1092 { 1093 struct rtw_dev *rtwdev = hw->priv; 1094 const struct rtw_chip_info *chip = rtwdev->chip; 1095 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1096 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1097 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1098 struct sk_buff *skb; 1099 u32 size; 1100 1101 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1102 skb = alloc_skb(size, GFP_KERNEL); 1103 if (!skb) 1104 return NULL; 1105 1106 skb_reserve(skb, chip->tx_pkt_desc_sz); 1107 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1108 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1109 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1110 pg_info_hdr->sec_cam_count = 1111 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1112 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1113 1114 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1115 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1116 1117 return skb; 1118 } 1119 1120 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1121 struct rtw_rsvd_page *rsvd_pkt) 1122 { 1123 struct ieee80211_vif *vif; 1124 struct rtw_vif *rtwvif; 1125 struct sk_buff *skb_new; 1126 struct cfg80211_ssid *ssid; 1127 u16 tim_offset = 0; 1128 1129 if (rsvd_pkt->type == RSVD_DUMMY) { 1130 skb_new = alloc_skb(1, GFP_KERNEL); 1131 if (!skb_new) 1132 return NULL; 1133 1134 skb_put(skb_new, 1); 1135 return skb_new; 1136 } 1137 1138 rtwvif = rsvd_pkt->rtwvif; 1139 if (!rtwvif) 1140 return NULL; 1141 1142 vif = rtwvif_to_vif(rtwvif); 1143 1144 switch (rsvd_pkt->type) { 1145 case RSVD_BEACON: 1146 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1147 rsvd_pkt->tim_offset = tim_offset; 1148 break; 1149 case RSVD_PS_POLL: 1150 skb_new = ieee80211_pspoll_get(hw, vif); 1151 break; 1152 case RSVD_PROBE_RESP: 1153 skb_new = ieee80211_proberesp_get(hw, vif); 1154 break; 1155 case RSVD_NULL: 1156 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1157 break; 1158 case RSVD_QOS_NULL: 1159 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1160 break; 1161 case RSVD_LPS_PG_DPK: 1162 skb_new = rtw_lps_pg_dpk_get(hw); 1163 break; 1164 case RSVD_LPS_PG_INFO: 1165 skb_new = rtw_lps_pg_info_get(hw); 1166 break; 1167 case RSVD_PROBE_REQ: 1168 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1169 if (ssid) 1170 skb_new = ieee80211_probereq_get(hw, vif->addr, 1171 ssid->ssid, 1172 ssid->ssid_len, 0); 1173 else 1174 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1175 if (skb_new) 1176 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1177 break; 1178 case RSVD_NLO_INFO: 1179 skb_new = rtw_nlo_info_get(hw); 1180 break; 1181 case RSVD_CH_INFO: 1182 skb_new = rtw_cs_channel_info_get(hw); 1183 break; 1184 default: 1185 return NULL; 1186 } 1187 1188 if (!skb_new) 1189 return NULL; 1190 1191 return skb_new; 1192 } 1193 1194 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1195 enum rtw_rsvd_packet_type type) 1196 { 1197 struct rtw_tx_pkt_info pkt_info = {0}; 1198 const struct rtw_chip_info *chip = rtwdev->chip; 1199 u8 *pkt_desc; 1200 1201 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1202 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1203 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1204 rtw_tx_fill_tx_desc(&pkt_info, skb); 1205 } 1206 1207 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1208 { 1209 return DIV_ROUND_UP(len, page_size); 1210 } 1211 1212 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1213 u8 page_margin, u32 page, u8 *buf, 1214 struct rtw_rsvd_page *rsvd_pkt) 1215 { 1216 struct sk_buff *skb = rsvd_pkt->skb; 1217 1218 if (page >= 1) 1219 memcpy(buf + page_margin + page_size * (page - 1), 1220 skb->data, skb->len); 1221 else 1222 memcpy(buf, skb->data, skb->len); 1223 } 1224 1225 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1226 enum rtw_rsvd_packet_type type, 1227 bool txdesc) 1228 { 1229 struct rtw_rsvd_page *rsvd_pkt = NULL; 1230 1231 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1232 1233 if (!rsvd_pkt) 1234 return NULL; 1235 1236 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1237 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1238 rsvd_pkt->type = type; 1239 rsvd_pkt->add_txdesc = txdesc; 1240 1241 return rsvd_pkt; 1242 } 1243 1244 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1245 struct rtw_vif *rtwvif, 1246 struct rtw_rsvd_page *rsvd_pkt) 1247 { 1248 lockdep_assert_held(&rtwdev->mutex); 1249 1250 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1251 } 1252 1253 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1254 struct rtw_vif *rtwvif, 1255 enum rtw_rsvd_packet_type type, 1256 bool txdesc) 1257 { 1258 struct rtw_rsvd_page *rsvd_pkt; 1259 1260 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1261 if (!rsvd_pkt) { 1262 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1263 return; 1264 } 1265 1266 rsvd_pkt->rtwvif = rtwvif; 1267 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1268 } 1269 1270 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1271 struct rtw_vif *rtwvif, 1272 struct cfg80211_ssid *ssid) 1273 { 1274 struct rtw_rsvd_page *rsvd_pkt; 1275 1276 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1277 if (!rsvd_pkt) { 1278 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1279 return; 1280 } 1281 1282 rsvd_pkt->rtwvif = rtwvif; 1283 rsvd_pkt->ssid = ssid; 1284 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1285 } 1286 1287 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1288 struct rtw_vif *rtwvif) 1289 { 1290 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1291 1292 lockdep_assert_held(&rtwdev->mutex); 1293 1294 /* remove all of the rsvd pages for vif */ 1295 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1296 vif_list) { 1297 list_del(&rsvd_pkt->vif_list); 1298 if (!list_empty(&rsvd_pkt->build_list)) 1299 list_del(&rsvd_pkt->build_list); 1300 kfree(rsvd_pkt); 1301 } 1302 } 1303 1304 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1305 struct rtw_vif *rtwvif) 1306 { 1307 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1308 1309 if (vif->type != NL80211_IFTYPE_AP && 1310 vif->type != NL80211_IFTYPE_ADHOC && 1311 vif->type != NL80211_IFTYPE_MESH_POINT) { 1312 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1313 vif->type); 1314 return; 1315 } 1316 1317 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1318 } 1319 1320 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1321 struct rtw_vif *rtwvif) 1322 { 1323 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1324 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1325 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1326 struct cfg80211_ssid *ssid; 1327 int i; 1328 1329 if (vif->type != NL80211_IFTYPE_STATION) { 1330 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1331 vif->type); 1332 return; 1333 } 1334 1335 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1336 ssid = &rtw_pno_req->match_sets[i].ssid; 1337 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1338 } 1339 1340 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1341 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1342 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1343 } 1344 1345 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1346 struct rtw_vif *rtwvif) 1347 { 1348 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1349 1350 if (vif->type != NL80211_IFTYPE_STATION) { 1351 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1352 vif->type); 1353 return; 1354 } 1355 1356 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1357 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1358 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1359 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1360 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1361 } 1362 1363 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1364 u8 *buf, u32 size) 1365 { 1366 u8 bckp[2]; 1367 u8 val; 1368 u16 rsvd_pg_head; 1369 u32 bcn_valid_addr; 1370 u32 bcn_valid_mask; 1371 int ret; 1372 1373 lockdep_assert_held(&rtwdev->mutex); 1374 1375 if (!size) 1376 return -EINVAL; 1377 1378 if (rtw_chip_wcpu_11n(rtwdev)) { 1379 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1380 } else { 1381 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1382 pg_addr |= BIT_BCN_VALID_V1; 1383 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1384 } 1385 1386 val = rtw_read8(rtwdev, REG_CR + 1); 1387 bckp[0] = val; 1388 val |= BIT_ENSWBCN >> 8; 1389 rtw_write8(rtwdev, REG_CR + 1, val); 1390 1391 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1392 bckp[1] = val; 1393 val &= ~(BIT_EN_BCNQ_DL >> 16); 1394 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1395 1396 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1397 if (ret) { 1398 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1399 goto restore; 1400 } 1401 1402 if (rtw_chip_wcpu_11n(rtwdev)) { 1403 bcn_valid_addr = REG_DWBCN0_CTRL; 1404 bcn_valid_mask = BIT_BCN_VALID; 1405 } else { 1406 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1407 bcn_valid_mask = BIT_BCN_VALID_V1; 1408 } 1409 1410 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1411 rtw_err(rtwdev, "error beacon valid\n"); 1412 ret = -EBUSY; 1413 } 1414 1415 restore: 1416 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1417 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1418 rsvd_pg_head | BIT_BCN_VALID_V1); 1419 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1420 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1421 1422 return ret; 1423 } 1424 1425 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1426 { 1427 u32 pg_size; 1428 u32 pg_num = 0; 1429 u16 pg_addr = 0; 1430 1431 pg_size = rtwdev->chip->page_size; 1432 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1433 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1434 return -ENOMEM; 1435 1436 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1437 1438 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1439 } 1440 1441 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1442 { 1443 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1444 1445 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1446 build_list) { 1447 list_del_init(&rsvd_pkt->build_list); 1448 1449 /* Don't free except for the dummy rsvd page, 1450 * others will be freed when removing vif 1451 */ 1452 if (rsvd_pkt->type == RSVD_DUMMY) 1453 kfree(rsvd_pkt); 1454 } 1455 } 1456 1457 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1458 struct ieee80211_vif *vif) 1459 { 1460 struct rtw_dev *rtwdev = data; 1461 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1462 struct rtw_rsvd_page *rsvd_pkt; 1463 1464 /* AP not yet started, don't gather its rsvd pages */ 1465 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active) 1466 return; 1467 1468 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1469 if (rsvd_pkt->type == RSVD_BEACON) 1470 list_add(&rsvd_pkt->build_list, 1471 &rtwdev->rsvd_page_list); 1472 else 1473 list_add_tail(&rsvd_pkt->build_list, 1474 &rtwdev->rsvd_page_list); 1475 } 1476 } 1477 1478 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1479 { 1480 struct rtw_rsvd_page *rsvd_pkt; 1481 1482 __rtw_build_rsvd_page_reset(rtwdev); 1483 1484 /* gather rsvd page from vifs */ 1485 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1486 1487 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1488 struct rtw_rsvd_page, build_list); 1489 if (!rsvd_pkt) { 1490 WARN(1, "Should not have an empty reserved page\n"); 1491 return -EINVAL; 1492 } 1493 1494 /* the first rsvd should be beacon, otherwise add a dummy one */ 1495 if (rsvd_pkt->type != RSVD_BEACON) { 1496 struct rtw_rsvd_page *dummy_pkt; 1497 1498 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1499 if (!dummy_pkt) { 1500 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1501 return -ENOMEM; 1502 } 1503 1504 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1505 } 1506 1507 return 0; 1508 } 1509 1510 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1511 { 1512 struct ieee80211_hw *hw = rtwdev->hw; 1513 const struct rtw_chip_info *chip = rtwdev->chip; 1514 struct sk_buff *iter; 1515 struct rtw_rsvd_page *rsvd_pkt; 1516 u32 page = 0; 1517 u8 total_page = 0; 1518 u8 page_size, page_margin, tx_desc_sz; 1519 u8 *buf; 1520 int ret; 1521 1522 page_size = chip->page_size; 1523 tx_desc_sz = chip->tx_pkt_desc_sz; 1524 page_margin = page_size - tx_desc_sz; 1525 1526 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1527 if (ret) { 1528 rtw_err(rtwdev, 1529 "failed to build rsvd page from vifs, ret %d\n", ret); 1530 return NULL; 1531 } 1532 1533 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1534 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1535 if (!iter) { 1536 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1537 goto release_skb; 1538 } 1539 1540 /* Fill the tx_desc for the rsvd pkt that requires one. 1541 * And iter->len will be added with size of tx_desc_sz. 1542 */ 1543 if (rsvd_pkt->add_txdesc) 1544 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1545 1546 rsvd_pkt->skb = iter; 1547 rsvd_pkt->page = total_page; 1548 1549 /* Reserved page is downloaded via TX path, and TX path will 1550 * generate a tx_desc at the header to describe length of 1551 * the buffer. If we are not counting page numbers with the 1552 * size of tx_desc added at the first rsvd_pkt (usually a 1553 * beacon, firmware default refer to the first page as the 1554 * content of beacon), we could generate a buffer which size 1555 * is smaller than the actual size of the whole rsvd_page 1556 */ 1557 if (total_page == 0) { 1558 if (rsvd_pkt->type != RSVD_BEACON && 1559 rsvd_pkt->type != RSVD_DUMMY) { 1560 rtw_err(rtwdev, "first page should be a beacon\n"); 1561 goto release_skb; 1562 } 1563 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1564 page_size); 1565 } else { 1566 total_page += rtw_len_to_page(iter->len, page_size); 1567 } 1568 } 1569 1570 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1571 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1572 goto release_skb; 1573 } 1574 1575 *size = (total_page - 1) * page_size + page_margin; 1576 buf = kzalloc(*size, GFP_KERNEL); 1577 if (!buf) 1578 goto release_skb; 1579 1580 /* Copy the content of each rsvd_pkt to the buf, and they should 1581 * be aligned to the pages. 1582 * 1583 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1584 * And that rsvd_pkt does not require tx_desc because when it goes 1585 * through TX path, the TX path will generate one for it. 1586 */ 1587 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1588 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1589 page, buf, rsvd_pkt); 1590 if (page == 0) 1591 page += rtw_len_to_page(rsvd_pkt->skb->len + 1592 tx_desc_sz, page_size); 1593 else 1594 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1595 1596 kfree_skb(rsvd_pkt->skb); 1597 rsvd_pkt->skb = NULL; 1598 } 1599 1600 return buf; 1601 1602 release_skb: 1603 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1604 kfree_skb(rsvd_pkt->skb); 1605 rsvd_pkt->skb = NULL; 1606 } 1607 1608 return NULL; 1609 } 1610 1611 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1612 { 1613 struct ieee80211_hw *hw = rtwdev->hw; 1614 struct rtw_rsvd_page *rsvd_pkt; 1615 struct sk_buff *skb; 1616 int ret = 0; 1617 1618 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1619 struct rtw_rsvd_page, build_list); 1620 if (!rsvd_pkt) { 1621 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1622 return -ENOENT; 1623 } 1624 1625 if (rsvd_pkt->type != RSVD_BEACON && 1626 rsvd_pkt->type != RSVD_DUMMY) { 1627 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1628 rsvd_pkt->type); 1629 return -EINVAL; 1630 } 1631 1632 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1633 if (!skb) { 1634 rtw_err(rtwdev, "failed to get beacon skb\n"); 1635 return -ENOMEM; 1636 } 1637 1638 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1639 if (ret) 1640 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1641 1642 dev_kfree_skb(skb); 1643 1644 return ret; 1645 } 1646 1647 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1648 { 1649 u8 *buf; 1650 u32 size; 1651 int ret; 1652 1653 buf = rtw_build_rsvd_page(rtwdev, &size); 1654 if (!buf) { 1655 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1656 return -ENOMEM; 1657 } 1658 1659 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1660 if (ret) { 1661 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1662 goto free; 1663 } 1664 1665 /* The last thing is to download the *ONLY* beacon again, because 1666 * the previous tx_desc is to describe the total rsvd page. Download 1667 * the beacon again to replace the TX desc header, and we will get 1668 * a correct tx_desc for the beacon in the rsvd page. 1669 */ 1670 ret = rtw_download_beacon(rtwdev); 1671 if (ret) { 1672 rtw_err(rtwdev, "failed to download beacon\n"); 1673 goto free; 1674 } 1675 1676 free: 1677 kfree(buf); 1678 1679 return ret; 1680 } 1681 1682 void rtw_fw_update_beacon_work(struct work_struct *work) 1683 { 1684 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1685 update_beacon_work); 1686 1687 mutex_lock(&rtwdev->mutex); 1688 rtw_fw_download_rsvd_page(rtwdev); 1689 rtw_send_rsvd_page_h2c(rtwdev); 1690 mutex_unlock(&rtwdev->mutex); 1691 } 1692 1693 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1694 u32 *buf, u32 residue, u16 start_pg) 1695 { 1696 u32 i; 1697 u16 idx = 0; 1698 u16 ctl; 1699 1700 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1701 /* disable rx clock gate */ 1702 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1703 1704 do { 1705 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1706 1707 for (i = FIFO_DUMP_ADDR + residue; 1708 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1709 buf[idx++] = rtw_read32(rtwdev, i); 1710 size -= 4; 1711 if (size == 0) 1712 goto out; 1713 } 1714 1715 residue = 0; 1716 start_pg++; 1717 } while (size); 1718 1719 out: 1720 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1721 /* restore rx clock gate */ 1722 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1723 } 1724 1725 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1726 u32 offset, u32 size, u32 *buf) 1727 { 1728 const struct rtw_chip_info *chip = rtwdev->chip; 1729 u32 start_pg, residue; 1730 1731 if (sel >= RTW_FW_FIFO_MAX) { 1732 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1733 return; 1734 } 1735 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1736 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1737 residue = offset & (FIFO_PAGE_SIZE - 1); 1738 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1739 1740 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1741 } 1742 1743 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1744 enum rtw_fw_fifo_sel sel, 1745 u32 start_addr, u32 size) 1746 { 1747 switch (sel) { 1748 case RTW_FW_FIFO_SEL_TX: 1749 case RTW_FW_FIFO_SEL_RX: 1750 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1751 return false; 1752 fallthrough; 1753 default: 1754 return true; 1755 } 1756 } 1757 1758 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1759 u32 *buffer) 1760 { 1761 if (!rtwdev->chip->fw_fifo_addr[0]) { 1762 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1763 return -ENOTSUPP; 1764 } 1765 1766 if (size == 0 || !buffer) 1767 return -EINVAL; 1768 1769 if (size & 0x3) { 1770 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1771 return -EINVAL; 1772 } 1773 1774 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1775 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1776 return -EINVAL; 1777 } 1778 1779 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1780 1781 return 0; 1782 } 1783 1784 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1785 u8 location) 1786 { 1787 const struct rtw_chip_info *chip = rtwdev->chip; 1788 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1789 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1790 1791 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1792 1793 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1794 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1795 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1796 1797 /* include txdesc size */ 1798 size += chip->tx_pkt_desc_sz; 1799 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1800 1801 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1802 } 1803 1804 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1805 struct cfg80211_ssid *ssid) 1806 { 1807 u8 loc; 1808 u16 size; 1809 1810 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1811 if (!loc) { 1812 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1813 return; 1814 } 1815 1816 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1817 if (!size) { 1818 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1819 return; 1820 } 1821 1822 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1823 } 1824 1825 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1826 { 1827 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1828 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1829 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1830 u8 loc_ch_info; 1831 const struct rtw_ch_switch_option cs_option = { 1832 .dest_ch_en = 1, 1833 .dest_ch = 1, 1834 .periodic_option = 2, 1835 .normal_period = 5, 1836 .normal_period_sel = 0, 1837 .normal_cycle = 10, 1838 .slow_period = 1, 1839 .slow_period_sel = 1, 1840 }; 1841 1842 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1843 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1844 1845 CH_SWITCH_SET_START(h2c_pkt, enable); 1846 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1847 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1848 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1849 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1850 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1851 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1852 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1853 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1854 1855 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1856 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1857 1858 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1859 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1860 1861 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1862 } 1863 1864 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1865 { 1866 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1867 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1868 1869 if (!rtw_edcca_enabled) { 1870 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1871 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1872 "EDCCA disabled by debugfs\n"); 1873 } 1874 1875 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1876 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1877 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1878 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1879 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1880 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1881 1882 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1883 } 1884 1885 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1886 { 1887 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1888 1889 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1890 SET_SCAN_START(h2c_pkt, start); 1891 1892 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1893 } 1894 1895 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1896 struct sk_buff_head *list, u8 *bands, 1897 struct rtw_vif *rtwvif) 1898 { 1899 const struct rtw_chip_info *chip = rtwdev->chip; 1900 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1901 struct sk_buff *new; 1902 u8 idx; 1903 1904 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1905 if (!(BIT(idx) & chip->band)) 1906 continue; 1907 new = skb_copy(skb, GFP_KERNEL); 1908 if (!new) 1909 return -ENOMEM; 1910 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1911 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1912 skb_queue_tail(list, new); 1913 (*bands)++; 1914 } 1915 1916 return 0; 1917 } 1918 1919 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 1920 struct sk_buff_head *probe_req_list) 1921 { 1922 const struct rtw_chip_info *chip = rtwdev->chip; 1923 struct sk_buff *skb, *tmp; 1924 u8 page_offset = 1, *buf, page_size = chip->page_size; 1925 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 1926 u16 buf_offset = page_size * page_offset; 1927 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 1928 u8 page_cnt, pages; 1929 unsigned int pkt_len; 1930 int ret; 1931 1932 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 1933 page_cnt = RTW_OLD_PROBE_PG_CNT; 1934 else 1935 page_cnt = RTW_PROBE_PG_CNT; 1936 1937 pages = page_offset + num_probes * page_cnt; 1938 1939 buf = kzalloc(page_size * pages, GFP_KERNEL); 1940 if (!buf) 1941 return -ENOMEM; 1942 1943 buf_offset -= tx_desc_sz; 1944 skb_queue_walk_safe(probe_req_list, skb, tmp) { 1945 skb_unlink(skb, probe_req_list); 1946 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 1947 if (skb->len > page_size * page_cnt) { 1948 #if defined(__FreeBSD__) 1949 kfree_skb(skb); 1950 #endif 1951 ret = -EINVAL; 1952 goto out; 1953 } 1954 1955 memcpy(buf + buf_offset, skb->data, skb->len); 1956 pkt_len = skb->len - tx_desc_sz; 1957 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 1958 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 1959 1960 buf_offset += page_cnt * page_size; 1961 page_offset += page_cnt; 1962 kfree_skb(skb); 1963 } 1964 1965 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 1966 if (ret) { 1967 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 1968 goto out; 1969 } 1970 1971 rtwdev->scan_info.probe_pg_size = page_offset; 1972 out: 1973 kfree(buf); 1974 skb_queue_walk_safe(probe_req_list, skb, tmp) 1975 kfree_skb(skb); 1976 1977 return ret; 1978 } 1979 1980 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 1981 struct rtw_vif *rtwvif) 1982 { 1983 struct cfg80211_scan_request *req = rtwvif->scan_req; 1984 struct sk_buff_head list; 1985 struct sk_buff *skb, *tmp; 1986 u8 num = req->n_ssids, i, bands = 0; 1987 int ret; 1988 1989 skb_queue_head_init(&list); 1990 for (i = 0; i < num; i++) { 1991 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 1992 req->ssids[i].ssid, 1993 req->ssids[i].ssid_len, 1994 req->ie_len); 1995 if (!skb) { 1996 ret = -ENOMEM; 1997 goto out; 1998 } 1999 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 2000 rtwvif); 2001 if (ret) 2002 goto out; 2003 2004 kfree_skb(skb); 2005 } 2006 2007 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 2008 2009 out: 2010 skb_queue_walk_safe(&list, skb, tmp) 2011 kfree_skb(skb); 2012 2013 return ret; 2014 } 2015 2016 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 2017 struct rtw_chan_list *list, u8 *buf) 2018 { 2019 u8 *chan = &buf[list->size]; 2020 u8 info_size = RTW_CH_INFO_SIZE; 2021 2022 if (list->size > list->buf_size) 2023 return -ENOMEM; 2024 2025 CH_INFO_SET_CH(chan, info->channel); 2026 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 2027 CH_INFO_SET_BW(chan, info->bw); 2028 CH_INFO_SET_TIMEOUT(chan, info->timeout); 2029 CH_INFO_SET_ACTION_ID(chan, info->action_id); 2030 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 2031 if (info->extra_info) { 2032 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 2033 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 2034 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 2035 RTW_EX_CH_INFO_HDR_SIZE); 2036 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 2037 info_size += RTW_EX_CH_INFO_SIZE; 2038 } 2039 list->size += info_size; 2040 list->ch_num++; 2041 2042 return 0; 2043 } 2044 2045 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2046 struct rtw_chan_list *list, u8 *buf) 2047 { 2048 struct cfg80211_scan_request *req = rtwvif->scan_req; 2049 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2050 struct ieee80211_channel *channel; 2051 int i, ret = 0; 2052 2053 for (i = 0; i < req->n_channels; i++) { 2054 struct rtw_chan_info ch_info = {0}; 2055 2056 channel = req->channels[i]; 2057 ch_info.channel = channel->hw_value; 2058 ch_info.bw = RTW_SCAN_WIDTH; 2059 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 2060 ch_info.timeout = req->duration_mandatory ? 2061 req->duration : RTW_CHANNEL_TIME; 2062 2063 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 2064 ch_info.action_id = RTW_CHANNEL_RADAR; 2065 ch_info.extra_info = 1; 2066 /* Overwrite duration for passive scans if necessary */ 2067 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 2068 ch_info.timeout : RTW_PASS_CHAN_TIME; 2069 } else { 2070 ch_info.action_id = RTW_CHANNEL_ACTIVE; 2071 } 2072 2073 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 2074 if (ret) 2075 return ret; 2076 } 2077 2078 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2079 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2080 return -EINVAL; 2081 } 2082 2083 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2084 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2085 if (ret) 2086 rtw_err(rtwdev, "Download channel list failed\n"); 2087 2088 return ret; 2089 } 2090 2091 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2092 struct rtw_ch_switch_option *opt, 2093 struct rtw_vif *rtwvif, 2094 struct rtw_chan_list *list) 2095 { 2096 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2097 struct cfg80211_scan_request *req = rtwvif->scan_req; 2098 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2099 /* reserve one dummy page at the beginning for tx descriptor */ 2100 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2101 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2102 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2103 2104 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2105 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2106 2107 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2108 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2109 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2110 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2111 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2112 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2113 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2114 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2115 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2116 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2117 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2118 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2119 req->duration : RTW_CHANNEL_TIME); 2120 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2121 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2122 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2123 2124 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2125 } 2126 2127 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2128 struct ieee80211_scan_request *scan_req) 2129 { 2130 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2131 struct cfg80211_scan_request *req = &scan_req->req; 2132 u8 mac_addr[ETH_ALEN]; 2133 2134 rtwdev->scan_info.scanning_vif = vif; 2135 rtwvif->scan_ies = &scan_req->ies; 2136 rtwvif->scan_req = req; 2137 2138 ieee80211_stop_queues(rtwdev->hw); 2139 rtw_leave_lps_deep(rtwdev); 2140 rtw_hci_flush_all_queues(rtwdev, false); 2141 rtw_mac_flush_all_queues(rtwdev, false); 2142 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2143 get_random_mask_addr(mac_addr, req->mac_addr, 2144 req->mac_addr_mask); 2145 else 2146 ether_addr_copy(mac_addr, vif->addr); 2147 2148 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2149 2150 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2151 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2152 } 2153 2154 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2155 bool aborted) 2156 { 2157 struct cfg80211_scan_info info = { 2158 .aborted = aborted, 2159 }; 2160 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2161 struct rtw_hal *hal = &rtwdev->hal; 2162 struct rtw_vif *rtwvif; 2163 u8 chan = scan_info->op_chan; 2164 2165 if (!vif) 2166 return; 2167 2168 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2169 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2170 2171 rtw_core_scan_complete(rtwdev, vif, true); 2172 2173 rtwvif = (struct rtw_vif *)vif->drv_priv; 2174 if (chan) 2175 rtw_store_op_chan(rtwdev, false); 2176 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2177 ieee80211_wake_queues(rtwdev->hw); 2178 ieee80211_scan_completed(rtwdev->hw, &info); 2179 2180 rtwvif->scan_req = NULL; 2181 rtwvif->scan_ies = NULL; 2182 rtwdev->scan_info.scanning_vif = NULL; 2183 } 2184 2185 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2186 struct rtw_chan_list *list) 2187 { 2188 struct cfg80211_scan_request *req = rtwvif->scan_req; 2189 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2190 u8 *buf; 2191 int ret; 2192 2193 buf = kmalloc(size, GFP_KERNEL); 2194 if (!buf) 2195 return -ENOMEM; 2196 2197 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2198 if (ret) { 2199 rtw_err(rtwdev, "Update probe request failed\n"); 2200 goto out; 2201 } 2202 2203 list->buf_size = size; 2204 list->size = 0; 2205 list->ch_num = 0; 2206 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2207 out: 2208 kfree(buf); 2209 2210 return ret; 2211 } 2212 2213 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2214 bool enable) 2215 { 2216 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2217 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2218 struct rtw_ch_switch_option cs_option = {0}; 2219 struct rtw_chan_list chan_list = {0}; 2220 int ret = 0; 2221 2222 if (!rtwvif) 2223 return -EINVAL; 2224 2225 cs_option.switch_en = enable; 2226 cs_option.back_op_en = scan_info->op_chan != 0; 2227 if (enable) { 2228 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2229 if (ret) 2230 goto out; 2231 } 2232 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2233 out: 2234 if (rtwdev->ap_active) { 2235 ret = rtw_download_beacon(rtwdev); 2236 if (ret) 2237 rtw_err(rtwdev, "HW scan download beacon failed\n"); 2238 } 2239 2240 return ret; 2241 } 2242 2243 void rtw_hw_scan_abort(struct rtw_dev *rtwdev) 2244 { 2245 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2246 2247 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2248 return; 2249 2250 rtw_hw_scan_offload(rtwdev, vif, false); 2251 rtw_hw_scan_complete(rtwdev, vif, true); 2252 } 2253 2254 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2255 { 2256 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2257 struct rtw_c2h_cmd *c2h; 2258 bool aborted; 2259 u8 rc; 2260 2261 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2262 return; 2263 2264 c2h = get_c2h_from_skb(skb); 2265 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2266 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2267 rtw_hw_scan_complete(rtwdev, vif, aborted); 2268 2269 if (aborted) 2270 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2271 } 2272 2273 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2274 { 2275 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2276 struct rtw_hal *hal = &rtwdev->hal; 2277 u8 band; 2278 2279 if (backup) { 2280 scan_info->op_chan = hal->current_channel; 2281 scan_info->op_bw = hal->current_band_width; 2282 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2283 scan_info->op_pri_ch = hal->primary_channel; 2284 } else { 2285 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2286 rtw_update_channel(rtwdev, scan_info->op_chan, 2287 scan_info->op_pri_ch, 2288 band, scan_info->op_bw); 2289 } 2290 } 2291 2292 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2293 { 2294 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2295 2296 scan_info->op_chan = 0; 2297 scan_info->op_bw = 0; 2298 scan_info->op_pri_ch_idx = 0; 2299 scan_info->op_pri_ch = 0; 2300 } 2301 2302 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2303 { 2304 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2305 2306 return channel == scan_info->op_chan; 2307 } 2308 2309 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2310 { 2311 struct rtw_hal *hal = &rtwdev->hal; 2312 struct rtw_c2h_cmd *c2h; 2313 enum rtw_scan_notify_id id; 2314 u8 chan, band, status; 2315 2316 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2317 return; 2318 2319 c2h = get_c2h_from_skb(skb); 2320 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2321 id = GET_CHAN_SWITCH_ID(c2h->payload); 2322 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2323 2324 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2325 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2326 rtw_update_channel(rtwdev, chan, chan, band, 2327 RTW_CHANNEL_WIDTH_20); 2328 if (rtw_is_op_chan(rtwdev, chan)) { 2329 rtw_store_op_chan(rtwdev, false); 2330 ieee80211_wake_queues(rtwdev->hw); 2331 rtw_core_enable_beacon(rtwdev, true); 2332 } 2333 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2334 if (IS_CH_5G_BAND(chan)) { 2335 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2336 } else if (IS_CH_2G_BAND(chan)) { 2337 u8 chan_type; 2338 2339 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2340 chan_type = COEX_SWITCH_TO_24G; 2341 else 2342 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2343 rtw_coex_switchband_notify(rtwdev, chan_type); 2344 } 2345 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2346 * channel that hardware will switch. We need to stop queue 2347 * if next channel is non-op channel. 2348 */ 2349 if (!rtw_is_op_chan(rtwdev, chan) && 2350 rtw_is_op_chan(rtwdev, hal->current_channel)) { 2351 rtw_core_enable_beacon(rtwdev, false); 2352 ieee80211_stop_queues(rtwdev->hw); 2353 } 2354 } 2355 2356 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2357 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2358 } 2359