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 const struct rtw_hw_reg_desc fw_h2c_regs[] = { 21 {REG_FWIMR, MASKDWORD, "FWIMR"}, 22 {REG_FWIMR, BIT_FS_H2CCMD_INT_EN, "FWIMR enable"}, 23 {REG_FWISR, MASKDWORD, "FWISR"}, 24 {REG_FWISR, BIT_FS_H2CCMD_INT, "FWISR enable"}, 25 {REG_HMETFR, BIT_INT_BOX_ALL, "BoxBitMap"}, 26 {REG_HMEBOX0, MASKDWORD, "MSG 0"}, 27 {REG_HMEBOX0_EX, MASKDWORD, "MSG_EX 0"}, 28 {REG_HMEBOX1, MASKDWORD, "MSG 1"}, 29 {REG_HMEBOX1_EX, MASKDWORD, "MSG_EX 1"}, 30 {REG_HMEBOX2, MASKDWORD, "MSG 2"}, 31 {REG_HMEBOX2_EX, MASKDWORD, "MSG_EX 2"}, 32 {REG_HMEBOX3, MASKDWORD, "MSG 3"}, 33 {REG_HMEBOX3_EX, MASKDWORD, "MSG_EX 3"}, 34 {REG_FT1IMR, MASKDWORD, "FT1IMR"}, 35 {REG_FT1IMR, BIT_FS_H2C_CMD_OK_INT_EN, "FT1IMR enable"}, 36 {REG_FT1ISR, MASKDWORD, "FT1ISR"}, 37 {REG_FT1ISR, BIT_FS_H2C_CMD_OK_INT, "FT1ISR enable "}, 38 }; 39 40 static const struct rtw_hw_reg_desc fw_c2h_regs[] = { 41 {REG_FWIMR, MASKDWORD, "FWIMR"}, 42 {REG_FWIMR, BIT_FS_H2CCMD_INT_EN, "CPWM"}, 43 {REG_FWIMR, BIT_FS_HRCV_INT_EN, "HRECV"}, 44 {REG_FWISR, MASKDWORD, "FWISR"}, 45 {REG_FWISR, BIT_FS_H2CCMD_INT, "CPWM"}, 46 {REG_FWISR, BIT_FS_HRCV_INT, "HRECV"}, 47 {REG_CPWM, MASKDWORD, "REG_CPWM"}, 48 }; 49 50 static const struct rtw_hw_reg_desc fw_core_regs[] = { 51 {REG_ARFR2_V1, MASKDWORD, "EPC"}, 52 {REG_ARFRH2_V1, MASKDWORD, "BADADDR"}, 53 {REG_ARFR3_V1, MASKDWORD, "CAUSE"}, 54 {REG_ARFR3_V1, BIT_EXC_CODE, "ExcCode"}, 55 {REG_ARFRH3_V1, MASKDWORD, "Status"}, 56 {REG_ARFR4, MASKDWORD, "SP"}, 57 {REG_ARFRH4, MASKDWORD, "RA"}, 58 {REG_FW_DBG6, MASKDWORD, "DBG 6"}, 59 {REG_FW_DBG7, MASKDWORD, "DBG 7"}, 60 }; 61 62 static void _rtw_fw_dump_dbg_info(struct rtw_dev *rtwdev, 63 const struct rtw_hw_reg_desc regs[], u32 size) 64 { 65 const struct rtw_hw_reg_desc *reg; 66 u32 val; 67 int i; 68 69 for (i = 0; i < size; i++) { 70 reg = ®s[i]; 71 val = rtw_read32_mask(rtwdev, reg->addr, reg->mask); 72 73 rtw_dbg(rtwdev, RTW_DBG_FW, "[%s]addr:0x%x mask:0x%x value:0x%x\n", 74 reg->desc, reg->addr, reg->mask, val); 75 } 76 } 77 78 void rtw_fw_dump_dbg_info(struct rtw_dev *rtwdev) 79 { 80 int i; 81 82 if (!rtw_dbg_is_enabled(rtwdev, RTW_DBG_FW)) 83 return; 84 85 _rtw_fw_dump_dbg_info(rtwdev, fw_h2c_regs, ARRAY_SIZE(fw_h2c_regs)); 86 _rtw_fw_dump_dbg_info(rtwdev, fw_c2h_regs, ARRAY_SIZE(fw_c2h_regs)); 87 for (i = 0 ; i < RTW_DEBUG_DUMP_TIMES; i++) { 88 rtw_dbg(rtwdev, RTW_DBG_FW, "Firmware Coredump %dth\n", i + 1); 89 _rtw_fw_dump_dbg_info(rtwdev, fw_core_regs, ARRAY_SIZE(fw_core_regs)); 90 } 91 } 92 93 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev, 94 struct sk_buff *skb) 95 { 96 struct rtw_c2h_cmd *c2h; 97 u8 sub_cmd_id; 98 99 c2h = get_c2h_from_skb(skb); 100 sub_cmd_id = c2h->payload[0]; 101 102 switch (sub_cmd_id) { 103 case C2H_CCX_RPT: 104 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT); 105 break; 106 case C2H_SCAN_STATUS_RPT: 107 rtw_hw_scan_status_report(rtwdev, skb); 108 break; 109 case C2H_CHAN_SWITCH: 110 rtw_hw_scan_chan_switch(rtwdev, skb); 111 break; 112 default: 113 break; 114 } 115 } 116 117 static u16 get_max_amsdu_len(u32 bit_rate) 118 { 119 /* lower than ofdm, do not aggregate */ 120 if (bit_rate < 550) 121 return 1; 122 123 /* lower than 20M 2ss mcs8, make it small */ 124 if (bit_rate < 1800) 125 return 1200; 126 127 /* lower than 40M 2ss mcs9, make it medium */ 128 if (bit_rate < 4000) 129 return 2600; 130 131 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */ 132 if (bit_rate < 7000) 133 return 3500; 134 135 /* unlimited */ 136 return 0; 137 } 138 139 struct rtw_fw_iter_ra_data { 140 struct rtw_dev *rtwdev; 141 u8 *payload; 142 }; 143 144 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 145 { 146 struct rtw_fw_iter_ra_data *ra_data = data; 147 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 148 u8 mac_id, rate, sgi, bw; 149 u8 mcs, nss; 150 u32 bit_rate; 151 152 mac_id = GET_RA_REPORT_MACID(ra_data->payload); 153 if (si->mac_id != mac_id) 154 return; 155 156 si->ra_report.txrate.flags = 0; 157 158 rate = GET_RA_REPORT_RATE(ra_data->payload); 159 sgi = GET_RA_REPORT_SGI(ra_data->payload); 160 bw = GET_RA_REPORT_BW(ra_data->payload); 161 162 if (rate < DESC_RATEMCS0) { 163 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 164 goto legacy; 165 } 166 167 rtw_desc_to_mcsrate(rate, &mcs, &nss); 168 if (rate >= DESC_RATEVHT1SS_MCS0) 169 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 170 else if (rate >= DESC_RATEMCS0) 171 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 172 173 if (rate >= DESC_RATEMCS0) { 174 si->ra_report.txrate.mcs = mcs; 175 si->ra_report.txrate.nss = nss; 176 } 177 178 if (sgi) 179 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 180 181 if (bw == RTW_CHANNEL_WIDTH_80) 182 si->ra_report.txrate.bw = RATE_INFO_BW_80; 183 else if (bw == RTW_CHANNEL_WIDTH_40) 184 si->ra_report.txrate.bw = RATE_INFO_BW_40; 185 else 186 si->ra_report.txrate.bw = RATE_INFO_BW_20; 187 188 legacy: 189 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 190 191 si->ra_report.desc_rate = rate; 192 si->ra_report.bit_rate = bit_rate; 193 194 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 195 } 196 197 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 198 u8 length) 199 { 200 struct rtw_fw_iter_ra_data ra_data; 201 202 if (WARN(length < 7, "invalid ra report c2h length\n")) 203 return; 204 205 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload); 206 ra_data.rtwdev = rtwdev; 207 ra_data.payload = payload; 208 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 209 } 210 211 struct rtw_beacon_filter_iter_data { 212 struct rtw_dev *rtwdev; 213 u8 *payload; 214 }; 215 216 static void rtw_fw_bcn_filter_notify_vif_iter(void *data, 217 struct ieee80211_vif *vif) 218 { 219 struct rtw_beacon_filter_iter_data *iter_data = data; 220 struct rtw_dev *rtwdev = iter_data->rtwdev; 221 u8 *payload = iter_data->payload; 222 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 223 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 224 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 225 226 switch (type) { 227 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 228 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 229 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 230 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 231 break; 232 case BCN_FILTER_CONNECTION_LOSS: 233 ieee80211_connection_loss(vif); 234 break; 235 case BCN_FILTER_CONNECTED: 236 rtwdev->beacon_loss = false; 237 break; 238 case BCN_FILTER_NOTIFY_BEACON_LOSS: 239 rtwdev->beacon_loss = true; 240 rtw_leave_lps(rtwdev); 241 break; 242 } 243 } 244 245 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 246 u8 length) 247 { 248 struct rtw_beacon_filter_iter_data dev_iter_data; 249 250 dev_iter_data.rtwdev = rtwdev; 251 dev_iter_data.payload = payload; 252 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 253 &dev_iter_data); 254 } 255 256 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 257 u8 length) 258 { 259 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 260 261 dm_info->scan_density = payload[0]; 262 263 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 264 dm_info->scan_density); 265 } 266 267 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 268 u8 length) 269 { 270 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 271 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 272 273 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 274 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 275 result->density, result->igi, result->l2h_th_init, result->l2h, 276 result->h2l, result->option); 277 278 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 279 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 280 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 281 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 282 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 283 284 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 285 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 286 "Set" : "Unset"); 287 } 288 289 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 290 { 291 struct rtw_c2h_cmd *c2h; 292 u32 pkt_offset; 293 u8 len; 294 295 pkt_offset = *((u32 *)skb->cb); 296 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 297 len = skb->len - pkt_offset - 2; 298 299 mutex_lock(&rtwdev->mutex); 300 301 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 302 goto unlock; 303 304 switch (c2h->id) { 305 case C2H_CCX_TX_RPT: 306 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 307 break; 308 case C2H_BT_INFO: 309 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 310 break; 311 case C2H_BT_HID_INFO: 312 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 313 break; 314 case C2H_WLAN_INFO: 315 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 316 break; 317 case C2H_BCN_FILTER_NOTIFY: 318 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 319 break; 320 case C2H_HALMAC: 321 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 322 break; 323 case C2H_RA_RPT: 324 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 325 break; 326 default: 327 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 328 break; 329 } 330 331 unlock: 332 mutex_unlock(&rtwdev->mutex); 333 } 334 335 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 336 struct sk_buff *skb) 337 { 338 struct rtw_c2h_cmd *c2h; 339 u8 len; 340 341 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 342 len = skb->len - pkt_offset - 2; 343 *((u32 *)skb->cb) = pkt_offset; 344 345 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 346 c2h->id, c2h->seq, len); 347 348 switch (c2h->id) { 349 case C2H_BT_MP_INFO: 350 rtw_coex_info_response(rtwdev, skb); 351 break; 352 case C2H_WLAN_RFON: 353 complete(&rtwdev->lps_leave_check); 354 dev_kfree_skb_any(skb); 355 break; 356 case C2H_SCAN_RESULT: 357 complete(&rtwdev->fw_scan_density); 358 rtw_fw_scan_result(rtwdev, c2h->payload, len); 359 dev_kfree_skb_any(skb); 360 break; 361 case C2H_ADAPTIVITY: 362 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 363 dev_kfree_skb_any(skb); 364 break; 365 default: 366 /* pass offset for further operation */ 367 *((u32 *)skb->cb) = pkt_offset; 368 skb_queue_tail(&rtwdev->c2h_queue, skb); 369 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 370 break; 371 } 372 } 373 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 374 375 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 376 { 377 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 378 rtw_fw_recovery(rtwdev); 379 else 380 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 381 } 382 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 383 384 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev, 385 struct rtw_h2c_register *h2c) 386 { 387 u32 box_reg, box_ex_reg; 388 u8 box_state, box; 389 int ret; 390 391 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0, 392 h2c->w1); 393 394 lockdep_assert_held(&rtwdev->mutex); 395 396 box = rtwdev->h2c.last_box_num; 397 switch (box) { 398 case 0: 399 box_reg = REG_HMEBOX0; 400 box_ex_reg = REG_HMEBOX0_EX; 401 break; 402 case 1: 403 box_reg = REG_HMEBOX1; 404 box_ex_reg = REG_HMEBOX1_EX; 405 break; 406 case 2: 407 box_reg = REG_HMEBOX2; 408 box_ex_reg = REG_HMEBOX2_EX; 409 break; 410 case 3: 411 box_reg = REG_HMEBOX3; 412 box_ex_reg = REG_HMEBOX3_EX; 413 break; 414 default: 415 WARN(1, "invalid h2c mail box number\n"); 416 return; 417 } 418 419 ret = read_poll_timeout_atomic(rtw_read8, box_state, 420 !((box_state >> box) & 0x1), 100, 3000, 421 false, rtwdev, REG_HMETFR); 422 423 if (ret) { 424 rtw_err(rtwdev, "failed to send h2c command\n"); 425 rtw_fw_dump_dbg_info(rtwdev); 426 return; 427 } 428 429 rtw_write32(rtwdev, box_ex_reg, h2c->w1); 430 rtw_write32(rtwdev, box_reg, h2c->w0); 431 432 if (++rtwdev->h2c.last_box_num >= 4) 433 rtwdev->h2c.last_box_num = 0; 434 } 435 436 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 437 u8 *h2c) 438 { 439 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 440 u8 box; 441 u8 box_state; 442 u32 box_reg, box_ex_reg; 443 int ret; 444 445 rtw_dbg(rtwdev, RTW_DBG_FW, 446 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 447 h2c[3], h2c[2], h2c[1], h2c[0], 448 h2c[7], h2c[6], h2c[5], h2c[4]); 449 450 lockdep_assert_held(&rtwdev->mutex); 451 452 box = rtwdev->h2c.last_box_num; 453 switch (box) { 454 case 0: 455 box_reg = REG_HMEBOX0; 456 box_ex_reg = REG_HMEBOX0_EX; 457 break; 458 case 1: 459 box_reg = REG_HMEBOX1; 460 box_ex_reg = REG_HMEBOX1_EX; 461 break; 462 case 2: 463 box_reg = REG_HMEBOX2; 464 box_ex_reg = REG_HMEBOX2_EX; 465 break; 466 case 3: 467 box_reg = REG_HMEBOX3; 468 box_ex_reg = REG_HMEBOX3_EX; 469 break; 470 default: 471 WARN(1, "invalid h2c mail box number\n"); 472 return; 473 } 474 475 ret = read_poll_timeout_atomic(rtw_read8, box_state, 476 !((box_state >> box) & 0x1), 100, 3000, 477 false, rtwdev, REG_HMETFR); 478 479 if (ret) { 480 rtw_err(rtwdev, "failed to send h2c command\n"); 481 return; 482 } 483 484 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 485 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 486 487 if (++rtwdev->h2c.last_box_num >= 4) 488 rtwdev->h2c.last_box_num = 0; 489 } 490 491 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 492 { 493 rtw_fw_send_h2c_command(rtwdev, h2c); 494 } 495 496 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 497 { 498 int ret; 499 500 lockdep_assert_held(&rtwdev->mutex); 501 502 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 503 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 504 if (ret) 505 rtw_err(rtwdev, "failed to send h2c packet\n"); 506 rtwdev->h2c.seq++; 507 } 508 509 void 510 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 511 { 512 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 513 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 514 u16 total_size = H2C_PKT_HDR_SIZE + 4; 515 516 if (rtw_chip_wcpu_11n(rtwdev)) 517 return; 518 519 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 520 521 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 522 523 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 524 fifo->rsvd_fw_txbuf_addr - 525 fifo->rsvd_boundary); 526 527 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 528 } 529 530 void 531 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 532 { 533 struct rtw_hal *hal = &rtwdev->hal; 534 struct rtw_efuse *efuse = &rtwdev->efuse; 535 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 536 u16 total_size = H2C_PKT_HDR_SIZE + 8; 537 u8 fw_rf_type = 0; 538 539 if (rtw_chip_wcpu_11n(rtwdev)) 540 return; 541 542 if (hal->rf_type == RF_1T1R) 543 fw_rf_type = FW_RF_1T1R; 544 else if (hal->rf_type == RF_2T2R) 545 fw_rf_type = FW_RF_2T2R; 546 547 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 548 549 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 550 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 551 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 552 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 553 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 554 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 555 556 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 557 } 558 559 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 560 { 561 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 562 u16 total_size = H2C_PKT_HDR_SIZE + 1; 563 564 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 565 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 566 IQK_SET_CLEAR(h2c_pkt, para->clear); 567 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 568 569 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 570 } 571 EXPORT_SYMBOL(rtw_fw_do_iqk); 572 573 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 574 { 575 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 576 577 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 578 579 RFK_SET_INFORM_START(h2c_pkt, start); 580 581 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 582 } 583 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 584 585 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 586 { 587 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 588 589 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 590 591 SET_QUERY_BT_INFO(h2c_pkt, true); 592 593 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 594 } 595 596 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) 597 { 598 struct rtw_h2c_register h2c = {}; 599 600 if (rtwvif->net_type != RTW_NET_MGD_LINKED) 601 return; 602 603 /* Leave LPS before default port H2C so FW timer is correct */ 604 rtw_leave_lps(rtwdev); 605 606 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) | 607 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) | 608 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID); 609 610 rtw_fw_send_h2c_command_register(rtwdev, &h2c); 611 } 612 613 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 614 { 615 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 616 617 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 618 619 SET_WL_CH_INFO_LINK(h2c_pkt, link); 620 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 621 SET_WL_CH_INFO_BW(h2c_pkt, bw); 622 623 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 624 } 625 626 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 627 struct rtw_coex_info_req *req) 628 { 629 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 630 631 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 632 633 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 634 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 635 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 636 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 637 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 638 639 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 640 } 641 642 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 643 { 644 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 645 u8 index = 0 - bt_pwr_dec_lvl; 646 647 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 648 649 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 650 651 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 652 } 653 654 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 655 { 656 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 657 658 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 659 660 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 661 662 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 663 } 664 665 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 666 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 667 { 668 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 669 670 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 671 672 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 673 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 674 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 675 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 676 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 677 678 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 679 } 680 681 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 682 { 683 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 684 685 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 686 687 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 688 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 689 690 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 691 } 692 693 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 694 { 695 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 696 697 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 698 699 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 700 701 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 702 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 703 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 704 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 705 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 706 707 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 708 } 709 710 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 711 { 712 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 713 u8 rssi = ewma_rssi_read(&si->avg_rssi); 714 bool stbc_en = si->stbc_en ? true : false; 715 716 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 717 718 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 719 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 720 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 721 722 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 723 } 724 725 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 726 bool reset_ra_mask) 727 { 728 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 729 bool disable_pt = true; 730 731 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 732 733 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 734 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 735 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 736 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 737 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 738 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 739 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 740 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 741 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 742 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 743 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 744 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 745 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 746 747 si->init_ra_lv = 0; 748 749 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 750 } 751 752 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 753 { 754 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 755 756 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 757 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 758 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 759 760 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 761 } 762 763 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 764 { 765 struct rtw_traffic_stats *stats = &rtwdev->stats; 766 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 767 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 768 769 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 770 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 771 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 772 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 773 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 774 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 775 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 776 } 777 778 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 779 struct ieee80211_vif *vif) 780 { 781 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 782 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 783 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 784 struct rtw_sta_info *si = 785 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 786 s32 thold = RTW_DEFAULT_CQM_THOLD; 787 u32 hyst = RTW_DEFAULT_CQM_HYST; 788 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 789 790 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 791 return; 792 793 if (bss_conf->cqm_rssi_thold) 794 thold = bss_conf->cqm_rssi_thold; 795 if (bss_conf->cqm_rssi_hyst) 796 hyst = bss_conf->cqm_rssi_hyst; 797 798 if (!connect) { 799 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 800 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 801 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 802 803 return; 804 } 805 806 if (!si) 807 return; 808 809 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 810 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 811 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 812 813 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 814 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max); 815 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 816 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 817 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 818 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 819 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold); 820 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 821 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 822 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst); 823 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 824 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 825 } 826 827 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 828 { 829 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 830 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 831 832 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 833 834 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 835 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 836 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 837 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 838 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 839 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 840 841 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 842 } 843 844 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 845 { 846 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 847 struct rtw_fw_wow_keep_alive_para mode = { 848 .adopt = true, 849 .pkt_type = KEEP_ALIVE_NULL_PKT, 850 .period = 5, 851 }; 852 853 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 854 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 855 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 856 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 857 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 858 859 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 860 } 861 862 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 863 { 864 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 865 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 866 struct rtw_fw_wow_disconnect_para mode = { 867 .adopt = true, 868 .period = 30, 869 .retry_count = 5, 870 }; 871 872 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 873 874 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 875 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 876 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 877 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 878 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 879 } 880 881 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 882 } 883 884 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 885 { 886 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 887 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 888 889 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 890 891 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 892 if (rtw_wow_mgd_linked(rtwdev)) { 893 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 894 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 895 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 896 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 897 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 898 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 899 if (rtw_wow->pattern_cnt) 900 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 901 } 902 903 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 904 } 905 906 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 907 u8 pairwise_key_enc, 908 u8 group_key_enc) 909 { 910 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 911 912 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 913 914 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 915 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 916 917 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 918 } 919 920 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 921 { 922 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 923 924 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 925 926 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 927 928 if (rtw_wow_no_link(rtwdev)) 929 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 930 931 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 932 } 933 934 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 935 enum rtw_rsvd_packet_type type) 936 { 937 struct rtw_rsvd_page *rsvd_pkt; 938 u8 location = 0; 939 940 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 941 if (type == rsvd_pkt->type) 942 location = rsvd_pkt->page; 943 } 944 945 return location; 946 } 947 948 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 949 { 950 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 951 u8 loc_nlo; 952 953 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 954 955 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 956 957 SET_NLO_FUN_EN(h2c_pkt, enable); 958 if (enable) { 959 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 960 SET_NLO_PS_32K(h2c_pkt, enable); 961 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 962 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 963 } 964 965 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 966 } 967 968 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 969 { 970 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 971 972 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 973 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 974 975 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 976 } 977 978 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 979 { 980 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 981 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 982 u8 loc_pg, loc_dpk; 983 984 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 985 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 986 987 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 988 989 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 990 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 991 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 992 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 993 994 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 995 } 996 997 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 998 struct cfg80211_ssid *ssid) 999 { 1000 struct rtw_rsvd_page *rsvd_pkt; 1001 u8 location = 0; 1002 1003 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1004 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1005 continue; 1006 if ((!ssid && !rsvd_pkt->ssid) || 1007 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1008 location = rsvd_pkt->page; 1009 } 1010 1011 return location; 1012 } 1013 1014 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 1015 struct cfg80211_ssid *ssid) 1016 { 1017 struct rtw_rsvd_page *rsvd_pkt; 1018 u16 size = 0; 1019 1020 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1021 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1022 continue; 1023 if ((!ssid && !rsvd_pkt->ssid) || 1024 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1025 size = rsvd_pkt->probe_req_size; 1026 } 1027 1028 return size; 1029 } 1030 1031 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 1032 { 1033 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1034 u8 location = 0; 1035 1036 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 1037 1038 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 1039 *(h2c_pkt + 1) = location; 1040 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 1041 1042 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 1043 *(h2c_pkt + 2) = location; 1044 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 1045 1046 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 1047 *(h2c_pkt + 3) = location; 1048 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 1049 1050 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 1051 *(h2c_pkt + 4) = location; 1052 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 1053 1054 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1055 } 1056 1057 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 1058 { 1059 struct rtw_dev *rtwdev = hw->priv; 1060 const struct rtw_chip_info *chip = rtwdev->chip; 1061 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1062 struct rtw_nlo_info_hdr *nlo_hdr; 1063 struct cfg80211_ssid *ssid; 1064 struct sk_buff *skb; 1065 u8 *pos, loc; 1066 u32 size; 1067 int i; 1068 1069 if (!pno_req->inited || !pno_req->match_set_cnt) 1070 return NULL; 1071 1072 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 1073 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 1074 1075 skb = alloc_skb(size, GFP_KERNEL); 1076 if (!skb) 1077 return NULL; 1078 1079 skb_reserve(skb, chip->tx_pkt_desc_sz); 1080 1081 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 1082 1083 nlo_hdr->nlo_count = pno_req->match_set_cnt; 1084 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 1085 1086 /* pattern check for firmware */ 1087 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 1088 1089 for (i = 0; i < pno_req->match_set_cnt; i++) 1090 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 1091 1092 for (i = 0; i < pno_req->match_set_cnt; i++) { 1093 ssid = &pno_req->match_sets[i].ssid; 1094 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1095 if (!loc) { 1096 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 1097 kfree_skb(skb); 1098 return NULL; 1099 } 1100 nlo_hdr->location[i] = loc; 1101 } 1102 1103 for (i = 0; i < pno_req->match_set_cnt; i++) { 1104 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 1105 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 1106 pno_req->match_sets[i].ssid.ssid_len); 1107 } 1108 1109 return skb; 1110 } 1111 1112 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 1113 { 1114 struct rtw_dev *rtwdev = hw->priv; 1115 const struct rtw_chip_info *chip = rtwdev->chip; 1116 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1117 struct ieee80211_channel *channels = pno_req->channels; 1118 struct sk_buff *skb; 1119 int count = pno_req->channel_cnt; 1120 u8 *pos; 1121 int i = 0; 1122 1123 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 1124 if (!skb) 1125 return NULL; 1126 1127 skb_reserve(skb, chip->tx_pkt_desc_sz); 1128 1129 for (i = 0; i < count; i++) { 1130 pos = skb_put_zero(skb, 4); 1131 1132 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 1133 1134 if (channels[i].flags & IEEE80211_CHAN_RADAR) 1135 CHSW_INFO_SET_ACTION_ID(pos, 0); 1136 else 1137 CHSW_INFO_SET_ACTION_ID(pos, 1); 1138 CHSW_INFO_SET_TIMEOUT(pos, 1); 1139 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 1140 CHSW_INFO_SET_BW(pos, 0); 1141 } 1142 1143 return skb; 1144 } 1145 1146 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 1147 { 1148 struct rtw_dev *rtwdev = hw->priv; 1149 const struct rtw_chip_info *chip = rtwdev->chip; 1150 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1151 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1152 struct sk_buff *skb; 1153 u32 size; 1154 1155 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1156 skb = alloc_skb(size, GFP_KERNEL); 1157 if (!skb) 1158 return NULL; 1159 1160 skb_reserve(skb, chip->tx_pkt_desc_sz); 1161 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1162 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1163 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1164 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1165 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1166 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1167 1168 return skb; 1169 } 1170 1171 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1172 { 1173 struct rtw_dev *rtwdev = hw->priv; 1174 const struct rtw_chip_info *chip = rtwdev->chip; 1175 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1176 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1177 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1178 struct sk_buff *skb; 1179 u32 size; 1180 1181 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1182 skb = alloc_skb(size, GFP_KERNEL); 1183 if (!skb) 1184 return NULL; 1185 1186 skb_reserve(skb, chip->tx_pkt_desc_sz); 1187 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1188 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1189 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1190 pg_info_hdr->sec_cam_count = 1191 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1192 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1193 1194 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1195 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1196 1197 return skb; 1198 } 1199 1200 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1201 struct rtw_rsvd_page *rsvd_pkt) 1202 { 1203 struct ieee80211_vif *vif; 1204 struct rtw_vif *rtwvif; 1205 struct sk_buff *skb_new; 1206 struct cfg80211_ssid *ssid; 1207 u16 tim_offset = 0; 1208 1209 if (rsvd_pkt->type == RSVD_DUMMY) { 1210 skb_new = alloc_skb(1, GFP_KERNEL); 1211 if (!skb_new) 1212 return NULL; 1213 1214 skb_put(skb_new, 1); 1215 return skb_new; 1216 } 1217 1218 rtwvif = rsvd_pkt->rtwvif; 1219 if (!rtwvif) 1220 return NULL; 1221 1222 vif = rtwvif_to_vif(rtwvif); 1223 1224 switch (rsvd_pkt->type) { 1225 case RSVD_BEACON: 1226 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1227 rsvd_pkt->tim_offset = tim_offset; 1228 break; 1229 case RSVD_PS_POLL: 1230 skb_new = ieee80211_pspoll_get(hw, vif); 1231 break; 1232 case RSVD_PROBE_RESP: 1233 skb_new = ieee80211_proberesp_get(hw, vif); 1234 break; 1235 case RSVD_NULL: 1236 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1237 break; 1238 case RSVD_QOS_NULL: 1239 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1240 break; 1241 case RSVD_LPS_PG_DPK: 1242 skb_new = rtw_lps_pg_dpk_get(hw); 1243 break; 1244 case RSVD_LPS_PG_INFO: 1245 skb_new = rtw_lps_pg_info_get(hw); 1246 break; 1247 case RSVD_PROBE_REQ: 1248 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1249 if (ssid) 1250 skb_new = ieee80211_probereq_get(hw, vif->addr, 1251 ssid->ssid, 1252 ssid->ssid_len, 0); 1253 else 1254 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1255 if (skb_new) 1256 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1257 break; 1258 case RSVD_NLO_INFO: 1259 skb_new = rtw_nlo_info_get(hw); 1260 break; 1261 case RSVD_CH_INFO: 1262 skb_new = rtw_cs_channel_info_get(hw); 1263 break; 1264 default: 1265 return NULL; 1266 } 1267 1268 if (!skb_new) 1269 return NULL; 1270 1271 return skb_new; 1272 } 1273 1274 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1275 enum rtw_rsvd_packet_type type) 1276 { 1277 struct rtw_tx_pkt_info pkt_info = {0}; 1278 const struct rtw_chip_info *chip = rtwdev->chip; 1279 u8 *pkt_desc; 1280 1281 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1282 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1283 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1284 rtw_tx_fill_tx_desc(&pkt_info, skb); 1285 } 1286 1287 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1288 { 1289 return DIV_ROUND_UP(len, page_size); 1290 } 1291 1292 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1293 u8 page_margin, u32 page, u8 *buf, 1294 struct rtw_rsvd_page *rsvd_pkt) 1295 { 1296 struct sk_buff *skb = rsvd_pkt->skb; 1297 1298 if (page >= 1) 1299 memcpy(buf + page_margin + page_size * (page - 1), 1300 skb->data, skb->len); 1301 else 1302 memcpy(buf, skb->data, skb->len); 1303 } 1304 1305 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1306 enum rtw_rsvd_packet_type type, 1307 bool txdesc) 1308 { 1309 struct rtw_rsvd_page *rsvd_pkt = NULL; 1310 1311 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1312 1313 if (!rsvd_pkt) 1314 return NULL; 1315 1316 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1317 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1318 rsvd_pkt->type = type; 1319 rsvd_pkt->add_txdesc = txdesc; 1320 1321 return rsvd_pkt; 1322 } 1323 1324 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1325 struct rtw_vif *rtwvif, 1326 struct rtw_rsvd_page *rsvd_pkt) 1327 { 1328 lockdep_assert_held(&rtwdev->mutex); 1329 1330 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1331 } 1332 1333 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1334 struct rtw_vif *rtwvif, 1335 enum rtw_rsvd_packet_type type, 1336 bool txdesc) 1337 { 1338 struct rtw_rsvd_page *rsvd_pkt; 1339 1340 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1341 if (!rsvd_pkt) { 1342 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1343 return; 1344 } 1345 1346 rsvd_pkt->rtwvif = rtwvif; 1347 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1348 } 1349 1350 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1351 struct rtw_vif *rtwvif, 1352 struct cfg80211_ssid *ssid) 1353 { 1354 struct rtw_rsvd_page *rsvd_pkt; 1355 1356 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1357 if (!rsvd_pkt) { 1358 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1359 return; 1360 } 1361 1362 rsvd_pkt->rtwvif = rtwvif; 1363 rsvd_pkt->ssid = ssid; 1364 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1365 } 1366 1367 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1368 struct rtw_vif *rtwvif) 1369 { 1370 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1371 1372 lockdep_assert_held(&rtwdev->mutex); 1373 1374 /* remove all of the rsvd pages for vif */ 1375 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1376 vif_list) { 1377 list_del(&rsvd_pkt->vif_list); 1378 if (!list_empty(&rsvd_pkt->build_list)) 1379 list_del(&rsvd_pkt->build_list); 1380 kfree(rsvd_pkt); 1381 } 1382 } 1383 1384 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1385 struct rtw_vif *rtwvif) 1386 { 1387 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1388 1389 if (vif->type != NL80211_IFTYPE_AP && 1390 vif->type != NL80211_IFTYPE_ADHOC && 1391 vif->type != NL80211_IFTYPE_MESH_POINT) { 1392 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1393 vif->type); 1394 return; 1395 } 1396 1397 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1398 } 1399 1400 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1401 struct rtw_vif *rtwvif) 1402 { 1403 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1404 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1405 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1406 struct cfg80211_ssid *ssid; 1407 int i; 1408 1409 if (vif->type != NL80211_IFTYPE_STATION) { 1410 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1411 vif->type); 1412 return; 1413 } 1414 1415 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1416 ssid = &rtw_pno_req->match_sets[i].ssid; 1417 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1418 } 1419 1420 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1421 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1422 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1423 } 1424 1425 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1426 struct rtw_vif *rtwvif) 1427 { 1428 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1429 1430 if (vif->type != NL80211_IFTYPE_STATION) { 1431 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1432 vif->type); 1433 return; 1434 } 1435 1436 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1437 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1438 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1439 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1440 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1441 } 1442 1443 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1444 u8 *buf, u32 size) 1445 { 1446 u8 bckp[2]; 1447 u8 val; 1448 u16 rsvd_pg_head; 1449 u32 bcn_valid_addr; 1450 u32 bcn_valid_mask; 1451 int ret; 1452 1453 lockdep_assert_held(&rtwdev->mutex); 1454 1455 if (!size) 1456 return -EINVAL; 1457 1458 if (rtw_chip_wcpu_11n(rtwdev)) { 1459 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1460 } else { 1461 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1462 pg_addr |= BIT_BCN_VALID_V1; 1463 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1464 } 1465 1466 val = rtw_read8(rtwdev, REG_CR + 1); 1467 bckp[0] = val; 1468 val |= BIT_ENSWBCN >> 8; 1469 rtw_write8(rtwdev, REG_CR + 1, val); 1470 1471 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1472 bckp[1] = val; 1473 val &= ~(BIT_EN_BCNQ_DL >> 16); 1474 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1475 1476 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1477 if (ret) { 1478 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1479 goto restore; 1480 } 1481 1482 if (rtw_chip_wcpu_11n(rtwdev)) { 1483 bcn_valid_addr = REG_DWBCN0_CTRL; 1484 bcn_valid_mask = BIT_BCN_VALID; 1485 } else { 1486 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1487 bcn_valid_mask = BIT_BCN_VALID_V1; 1488 } 1489 1490 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1491 rtw_err(rtwdev, "error beacon valid\n"); 1492 ret = -EBUSY; 1493 } 1494 1495 restore: 1496 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1497 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1498 rsvd_pg_head | BIT_BCN_VALID_V1); 1499 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1500 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1501 1502 return ret; 1503 } 1504 1505 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1506 { 1507 u32 pg_size; 1508 u32 pg_num = 0; 1509 u16 pg_addr = 0; 1510 1511 pg_size = rtwdev->chip->page_size; 1512 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1513 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1514 return -ENOMEM; 1515 1516 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1517 1518 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1519 } 1520 1521 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1522 { 1523 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1524 1525 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1526 build_list) { 1527 list_del_init(&rsvd_pkt->build_list); 1528 1529 /* Don't free except for the dummy rsvd page, 1530 * others will be freed when removing vif 1531 */ 1532 if (rsvd_pkt->type == RSVD_DUMMY) 1533 kfree(rsvd_pkt); 1534 } 1535 } 1536 1537 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1538 struct ieee80211_vif *vif) 1539 { 1540 struct rtw_dev *rtwdev = data; 1541 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1542 struct rtw_rsvd_page *rsvd_pkt; 1543 1544 /* AP not yet started, don't gather its rsvd pages */ 1545 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active) 1546 return; 1547 1548 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1549 if (rsvd_pkt->type == RSVD_BEACON) 1550 list_add(&rsvd_pkt->build_list, 1551 &rtwdev->rsvd_page_list); 1552 else 1553 list_add_tail(&rsvd_pkt->build_list, 1554 &rtwdev->rsvd_page_list); 1555 } 1556 } 1557 1558 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1559 { 1560 struct rtw_rsvd_page *rsvd_pkt; 1561 1562 __rtw_build_rsvd_page_reset(rtwdev); 1563 1564 /* gather rsvd page from vifs */ 1565 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1566 1567 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1568 struct rtw_rsvd_page, build_list); 1569 if (!rsvd_pkt) { 1570 WARN(1, "Should not have an empty reserved page\n"); 1571 return -EINVAL; 1572 } 1573 1574 /* the first rsvd should be beacon, otherwise add a dummy one */ 1575 if (rsvd_pkt->type != RSVD_BEACON) { 1576 struct rtw_rsvd_page *dummy_pkt; 1577 1578 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1579 if (!dummy_pkt) { 1580 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1581 return -ENOMEM; 1582 } 1583 1584 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1585 } 1586 1587 return 0; 1588 } 1589 1590 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1591 { 1592 struct ieee80211_hw *hw = rtwdev->hw; 1593 const struct rtw_chip_info *chip = rtwdev->chip; 1594 struct sk_buff *iter; 1595 struct rtw_rsvd_page *rsvd_pkt; 1596 u32 page = 0; 1597 u8 total_page = 0; 1598 u8 page_size, page_margin, tx_desc_sz; 1599 u8 *buf; 1600 int ret; 1601 1602 page_size = chip->page_size; 1603 tx_desc_sz = chip->tx_pkt_desc_sz; 1604 page_margin = page_size - tx_desc_sz; 1605 1606 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1607 if (ret) { 1608 rtw_err(rtwdev, 1609 "failed to build rsvd page from vifs, ret %d\n", ret); 1610 return NULL; 1611 } 1612 1613 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1614 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1615 if (!iter) { 1616 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1617 goto release_skb; 1618 } 1619 1620 /* Fill the tx_desc for the rsvd pkt that requires one. 1621 * And iter->len will be added with size of tx_desc_sz. 1622 */ 1623 if (rsvd_pkt->add_txdesc) 1624 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1625 1626 rsvd_pkt->skb = iter; 1627 rsvd_pkt->page = total_page; 1628 1629 /* Reserved page is downloaded via TX path, and TX path will 1630 * generate a tx_desc at the header to describe length of 1631 * the buffer. If we are not counting page numbers with the 1632 * size of tx_desc added at the first rsvd_pkt (usually a 1633 * beacon, firmware default refer to the first page as the 1634 * content of beacon), we could generate a buffer which size 1635 * is smaller than the actual size of the whole rsvd_page 1636 */ 1637 if (total_page == 0) { 1638 if (rsvd_pkt->type != RSVD_BEACON && 1639 rsvd_pkt->type != RSVD_DUMMY) { 1640 rtw_err(rtwdev, "first page should be a beacon\n"); 1641 goto release_skb; 1642 } 1643 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1644 page_size); 1645 } else { 1646 total_page += rtw_len_to_page(iter->len, page_size); 1647 } 1648 } 1649 1650 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1651 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1652 goto release_skb; 1653 } 1654 1655 *size = (total_page - 1) * page_size + page_margin; 1656 buf = kzalloc(*size, GFP_KERNEL); 1657 if (!buf) 1658 goto release_skb; 1659 1660 /* Copy the content of each rsvd_pkt to the buf, and they should 1661 * be aligned to the pages. 1662 * 1663 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1664 * And that rsvd_pkt does not require tx_desc because when it goes 1665 * through TX path, the TX path will generate one for it. 1666 */ 1667 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1668 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1669 page, buf, rsvd_pkt); 1670 if (page == 0) 1671 page += rtw_len_to_page(rsvd_pkt->skb->len + 1672 tx_desc_sz, page_size); 1673 else 1674 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1675 1676 kfree_skb(rsvd_pkt->skb); 1677 rsvd_pkt->skb = NULL; 1678 } 1679 1680 return buf; 1681 1682 release_skb: 1683 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1684 kfree_skb(rsvd_pkt->skb); 1685 rsvd_pkt->skb = NULL; 1686 } 1687 1688 return NULL; 1689 } 1690 1691 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1692 { 1693 struct ieee80211_hw *hw = rtwdev->hw; 1694 struct rtw_rsvd_page *rsvd_pkt; 1695 struct sk_buff *skb; 1696 int ret = 0; 1697 1698 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1699 struct rtw_rsvd_page, build_list); 1700 if (!rsvd_pkt) { 1701 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1702 return -ENOENT; 1703 } 1704 1705 if (rsvd_pkt->type != RSVD_BEACON && 1706 rsvd_pkt->type != RSVD_DUMMY) { 1707 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1708 rsvd_pkt->type); 1709 return -EINVAL; 1710 } 1711 1712 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1713 if (!skb) { 1714 rtw_err(rtwdev, "failed to get beacon skb\n"); 1715 return -ENOMEM; 1716 } 1717 1718 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1719 if (ret) 1720 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1721 1722 dev_kfree_skb(skb); 1723 1724 return ret; 1725 } 1726 1727 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1728 { 1729 u8 *buf; 1730 u32 size; 1731 int ret; 1732 1733 buf = rtw_build_rsvd_page(rtwdev, &size); 1734 if (!buf) { 1735 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1736 return -ENOMEM; 1737 } 1738 1739 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1740 if (ret) { 1741 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1742 goto free; 1743 } 1744 1745 /* The last thing is to download the *ONLY* beacon again, because 1746 * the previous tx_desc is to describe the total rsvd page. Download 1747 * the beacon again to replace the TX desc header, and we will get 1748 * a correct tx_desc for the beacon in the rsvd page. 1749 */ 1750 ret = rtw_download_beacon(rtwdev); 1751 if (ret) { 1752 rtw_err(rtwdev, "failed to download beacon\n"); 1753 goto free; 1754 } 1755 1756 free: 1757 kfree(buf); 1758 1759 return ret; 1760 } 1761 1762 void rtw_fw_update_beacon_work(struct work_struct *work) 1763 { 1764 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1765 update_beacon_work); 1766 1767 mutex_lock(&rtwdev->mutex); 1768 rtw_fw_download_rsvd_page(rtwdev); 1769 rtw_send_rsvd_page_h2c(rtwdev); 1770 mutex_unlock(&rtwdev->mutex); 1771 } 1772 1773 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1774 u32 *buf, u32 residue, u16 start_pg) 1775 { 1776 u32 i; 1777 u16 idx = 0; 1778 u16 ctl; 1779 1780 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1781 /* disable rx clock gate */ 1782 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1783 1784 do { 1785 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1786 1787 for (i = FIFO_DUMP_ADDR + residue; 1788 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1789 buf[idx++] = rtw_read32(rtwdev, i); 1790 size -= 4; 1791 if (size == 0) 1792 goto out; 1793 } 1794 1795 residue = 0; 1796 start_pg++; 1797 } while (size); 1798 1799 out: 1800 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1801 /* restore rx clock gate */ 1802 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1803 } 1804 1805 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1806 u32 offset, u32 size, u32 *buf) 1807 { 1808 const struct rtw_chip_info *chip = rtwdev->chip; 1809 u32 start_pg, residue; 1810 1811 if (sel >= RTW_FW_FIFO_MAX) { 1812 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1813 return; 1814 } 1815 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1816 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1817 residue = offset & (FIFO_PAGE_SIZE - 1); 1818 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1819 1820 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1821 } 1822 1823 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1824 enum rtw_fw_fifo_sel sel, 1825 u32 start_addr, u32 size) 1826 { 1827 switch (sel) { 1828 case RTW_FW_FIFO_SEL_TX: 1829 case RTW_FW_FIFO_SEL_RX: 1830 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1831 return false; 1832 fallthrough; 1833 default: 1834 return true; 1835 } 1836 } 1837 1838 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1839 u32 *buffer) 1840 { 1841 if (!rtwdev->chip->fw_fifo_addr[0]) { 1842 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1843 return -ENOTSUPP; 1844 } 1845 1846 if (size == 0 || !buffer) 1847 return -EINVAL; 1848 1849 if (size & 0x3) { 1850 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1851 return -EINVAL; 1852 } 1853 1854 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1855 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1856 return -EINVAL; 1857 } 1858 1859 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1860 1861 return 0; 1862 } 1863 1864 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1865 u8 location) 1866 { 1867 const struct rtw_chip_info *chip = rtwdev->chip; 1868 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1869 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1870 1871 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1872 1873 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1874 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1875 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1876 1877 /* include txdesc size */ 1878 size += chip->tx_pkt_desc_sz; 1879 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1880 1881 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1882 } 1883 1884 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1885 struct cfg80211_ssid *ssid) 1886 { 1887 u8 loc; 1888 u16 size; 1889 1890 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1891 if (!loc) { 1892 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1893 return; 1894 } 1895 1896 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1897 if (!size) { 1898 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1899 return; 1900 } 1901 1902 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1903 } 1904 1905 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1906 { 1907 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1908 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1909 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1910 u8 loc_ch_info; 1911 const struct rtw_ch_switch_option cs_option = { 1912 .dest_ch_en = 1, 1913 .dest_ch = 1, 1914 .periodic_option = 2, 1915 .normal_period = 5, 1916 .normal_period_sel = 0, 1917 .normal_cycle = 10, 1918 .slow_period = 1, 1919 .slow_period_sel = 1, 1920 }; 1921 1922 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1923 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1924 1925 CH_SWITCH_SET_START(h2c_pkt, enable); 1926 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1927 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1928 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1929 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1930 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1931 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1932 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1933 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1934 1935 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1936 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1937 1938 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1939 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1940 1941 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1942 } 1943 1944 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1945 { 1946 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1947 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1948 1949 if (!rtw_edcca_enabled) { 1950 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1951 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1952 "EDCCA disabled by debugfs\n"); 1953 } 1954 1955 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1956 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1957 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1958 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1959 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1960 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1961 1962 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1963 } 1964 1965 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1966 { 1967 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1968 1969 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1970 SET_SCAN_START(h2c_pkt, start); 1971 1972 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1973 } 1974 1975 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1976 struct sk_buff_head *list, u8 *bands, 1977 struct rtw_vif *rtwvif) 1978 { 1979 const struct rtw_chip_info *chip = rtwdev->chip; 1980 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1981 struct sk_buff *new; 1982 u8 idx; 1983 1984 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1985 if (!(BIT(idx) & chip->band)) 1986 continue; 1987 new = skb_copy(skb, GFP_KERNEL); 1988 if (!new) 1989 return -ENOMEM; 1990 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1991 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1992 skb_queue_tail(list, new); 1993 (*bands)++; 1994 } 1995 1996 return 0; 1997 } 1998 1999 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 2000 struct sk_buff_head *probe_req_list) 2001 { 2002 const struct rtw_chip_info *chip = rtwdev->chip; 2003 struct sk_buff *skb, *tmp; 2004 u8 page_offset = 1, *buf, page_size = chip->page_size; 2005 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 2006 u16 buf_offset = page_size * page_offset; 2007 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 2008 u8 page_cnt, pages; 2009 unsigned int pkt_len; 2010 int ret; 2011 2012 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 2013 page_cnt = RTW_OLD_PROBE_PG_CNT; 2014 else 2015 page_cnt = RTW_PROBE_PG_CNT; 2016 2017 pages = page_offset + num_probes * page_cnt; 2018 2019 buf = kzalloc(page_size * pages, GFP_KERNEL); 2020 if (!buf) 2021 return -ENOMEM; 2022 2023 buf_offset -= tx_desc_sz; 2024 skb_queue_walk_safe(probe_req_list, skb, tmp) { 2025 skb_unlink(skb, probe_req_list); 2026 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 2027 if (skb->len > page_size * page_cnt) { 2028 #if defined(__FreeBSD__) 2029 kfree_skb(skb); 2030 #endif 2031 ret = -EINVAL; 2032 goto out; 2033 } 2034 2035 memcpy(buf + buf_offset, skb->data, skb->len); 2036 pkt_len = skb->len - tx_desc_sz; 2037 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 2038 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 2039 2040 buf_offset += page_cnt * page_size; 2041 page_offset += page_cnt; 2042 kfree_skb(skb); 2043 } 2044 2045 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 2046 if (ret) { 2047 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 2048 goto out; 2049 } 2050 2051 rtwdev->scan_info.probe_pg_size = page_offset; 2052 out: 2053 kfree(buf); 2054 skb_queue_walk_safe(probe_req_list, skb, tmp) 2055 kfree_skb(skb); 2056 2057 return ret; 2058 } 2059 2060 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 2061 struct rtw_vif *rtwvif) 2062 { 2063 struct cfg80211_scan_request *req = rtwvif->scan_req; 2064 struct sk_buff_head list; 2065 struct sk_buff *skb, *tmp; 2066 u8 num = req->n_ssids, i, bands = 0; 2067 int ret; 2068 2069 skb_queue_head_init(&list); 2070 for (i = 0; i < num; i++) { 2071 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 2072 req->ssids[i].ssid, 2073 req->ssids[i].ssid_len, 2074 req->ie_len); 2075 if (!skb) { 2076 ret = -ENOMEM; 2077 goto out; 2078 } 2079 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 2080 rtwvif); 2081 if (ret) 2082 goto out; 2083 2084 kfree_skb(skb); 2085 } 2086 2087 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 2088 2089 out: 2090 skb_queue_walk_safe(&list, skb, tmp) 2091 kfree_skb(skb); 2092 2093 return ret; 2094 } 2095 2096 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 2097 struct rtw_chan_list *list, u8 *buf) 2098 { 2099 u8 *chan = &buf[list->size]; 2100 u8 info_size = RTW_CH_INFO_SIZE; 2101 2102 if (list->size > list->buf_size) 2103 return -ENOMEM; 2104 2105 CH_INFO_SET_CH(chan, info->channel); 2106 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 2107 CH_INFO_SET_BW(chan, info->bw); 2108 CH_INFO_SET_TIMEOUT(chan, info->timeout); 2109 CH_INFO_SET_ACTION_ID(chan, info->action_id); 2110 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 2111 if (info->extra_info) { 2112 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 2113 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 2114 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 2115 RTW_EX_CH_INFO_HDR_SIZE); 2116 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 2117 info_size += RTW_EX_CH_INFO_SIZE; 2118 } 2119 list->size += info_size; 2120 list->ch_num++; 2121 2122 return 0; 2123 } 2124 2125 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2126 struct rtw_chan_list *list, u8 *buf) 2127 { 2128 struct cfg80211_scan_request *req = rtwvif->scan_req; 2129 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2130 struct ieee80211_channel *channel; 2131 int i, ret = 0; 2132 2133 for (i = 0; i < req->n_channels; i++) { 2134 struct rtw_chan_info ch_info = {0}; 2135 2136 channel = req->channels[i]; 2137 ch_info.channel = channel->hw_value; 2138 ch_info.bw = RTW_SCAN_WIDTH; 2139 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 2140 ch_info.timeout = req->duration_mandatory ? 2141 req->duration : RTW_CHANNEL_TIME; 2142 2143 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 2144 ch_info.action_id = RTW_CHANNEL_RADAR; 2145 ch_info.extra_info = 1; 2146 /* Overwrite duration for passive scans if necessary */ 2147 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 2148 ch_info.timeout : RTW_PASS_CHAN_TIME; 2149 } else { 2150 ch_info.action_id = RTW_CHANNEL_ACTIVE; 2151 } 2152 2153 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 2154 if (ret) 2155 return ret; 2156 } 2157 2158 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2159 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2160 return -EINVAL; 2161 } 2162 2163 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2164 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2165 if (ret) 2166 rtw_err(rtwdev, "Download channel list failed\n"); 2167 2168 return ret; 2169 } 2170 2171 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2172 struct rtw_ch_switch_option *opt, 2173 struct rtw_vif *rtwvif, 2174 struct rtw_chan_list *list) 2175 { 2176 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2177 struct cfg80211_scan_request *req = rtwvif->scan_req; 2178 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2179 /* reserve one dummy page at the beginning for tx descriptor */ 2180 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2181 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2182 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2183 2184 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2185 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2186 2187 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2188 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2189 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2190 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2191 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2192 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2193 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2194 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2195 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2196 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2197 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2198 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2199 req->duration : RTW_CHANNEL_TIME); 2200 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2201 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2202 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2203 2204 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2205 } 2206 2207 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2208 struct ieee80211_scan_request *scan_req) 2209 { 2210 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2211 struct cfg80211_scan_request *req = &scan_req->req; 2212 u8 mac_addr[ETH_ALEN]; 2213 2214 rtwdev->scan_info.scanning_vif = vif; 2215 rtwvif->scan_ies = &scan_req->ies; 2216 rtwvif->scan_req = req; 2217 2218 ieee80211_stop_queues(rtwdev->hw); 2219 rtw_leave_lps_deep(rtwdev); 2220 rtw_hci_flush_all_queues(rtwdev, false); 2221 rtw_mac_flush_all_queues(rtwdev, false); 2222 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2223 get_random_mask_addr(mac_addr, req->mac_addr, 2224 req->mac_addr_mask); 2225 else 2226 ether_addr_copy(mac_addr, vif->addr); 2227 2228 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2229 2230 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2231 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2232 } 2233 2234 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2235 bool aborted) 2236 { 2237 struct cfg80211_scan_info info = { 2238 .aborted = aborted, 2239 }; 2240 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2241 struct rtw_hal *hal = &rtwdev->hal; 2242 struct rtw_vif *rtwvif; 2243 u8 chan = scan_info->op_chan; 2244 2245 if (!vif) 2246 return; 2247 2248 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2249 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2250 2251 rtw_core_scan_complete(rtwdev, vif, true); 2252 2253 rtwvif = (struct rtw_vif *)vif->drv_priv; 2254 if (chan) 2255 rtw_store_op_chan(rtwdev, false); 2256 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2257 ieee80211_wake_queues(rtwdev->hw); 2258 ieee80211_scan_completed(rtwdev->hw, &info); 2259 2260 rtwvif->scan_req = NULL; 2261 rtwvif->scan_ies = NULL; 2262 rtwdev->scan_info.scanning_vif = NULL; 2263 } 2264 2265 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2266 struct rtw_chan_list *list) 2267 { 2268 struct cfg80211_scan_request *req = rtwvif->scan_req; 2269 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2270 u8 *buf; 2271 int ret; 2272 2273 buf = kmalloc(size, GFP_KERNEL); 2274 if (!buf) 2275 return -ENOMEM; 2276 2277 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2278 if (ret) { 2279 rtw_err(rtwdev, "Update probe request failed\n"); 2280 goto out; 2281 } 2282 2283 list->buf_size = size; 2284 list->size = 0; 2285 list->ch_num = 0; 2286 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2287 out: 2288 kfree(buf); 2289 2290 return ret; 2291 } 2292 2293 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2294 bool enable) 2295 { 2296 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2297 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2298 struct rtw_ch_switch_option cs_option = {0}; 2299 struct rtw_chan_list chan_list = {0}; 2300 int ret = 0; 2301 2302 if (!rtwvif) 2303 return -EINVAL; 2304 2305 cs_option.switch_en = enable; 2306 cs_option.back_op_en = scan_info->op_chan != 0; 2307 if (enable) { 2308 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2309 if (ret) 2310 goto out; 2311 } 2312 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2313 out: 2314 if (rtwdev->ap_active) { 2315 ret = rtw_download_beacon(rtwdev); 2316 if (ret) 2317 rtw_err(rtwdev, "HW scan download beacon failed\n"); 2318 } 2319 2320 return ret; 2321 } 2322 2323 void rtw_hw_scan_abort(struct rtw_dev *rtwdev) 2324 { 2325 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2326 2327 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2328 return; 2329 2330 rtw_hw_scan_offload(rtwdev, vif, false); 2331 rtw_hw_scan_complete(rtwdev, vif, true); 2332 } 2333 2334 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2335 { 2336 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2337 struct rtw_c2h_cmd *c2h; 2338 bool aborted; 2339 u8 rc; 2340 2341 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2342 return; 2343 2344 c2h = get_c2h_from_skb(skb); 2345 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2346 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2347 rtw_hw_scan_complete(rtwdev, vif, aborted); 2348 2349 if (aborted) 2350 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2351 } 2352 2353 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2354 { 2355 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2356 struct rtw_hal *hal = &rtwdev->hal; 2357 u8 band; 2358 2359 if (backup) { 2360 scan_info->op_chan = hal->current_channel; 2361 scan_info->op_bw = hal->current_band_width; 2362 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2363 scan_info->op_pri_ch = hal->primary_channel; 2364 } else { 2365 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2366 rtw_update_channel(rtwdev, scan_info->op_chan, 2367 scan_info->op_pri_ch, 2368 band, scan_info->op_bw); 2369 } 2370 } 2371 2372 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2373 { 2374 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2375 2376 scan_info->op_chan = 0; 2377 scan_info->op_bw = 0; 2378 scan_info->op_pri_ch_idx = 0; 2379 scan_info->op_pri_ch = 0; 2380 } 2381 2382 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2383 { 2384 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2385 2386 return channel == scan_info->op_chan; 2387 } 2388 2389 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2390 { 2391 struct rtw_hal *hal = &rtwdev->hal; 2392 struct rtw_c2h_cmd *c2h; 2393 enum rtw_scan_notify_id id; 2394 u8 chan, band, status; 2395 2396 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2397 return; 2398 2399 c2h = get_c2h_from_skb(skb); 2400 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2401 id = GET_CHAN_SWITCH_ID(c2h->payload); 2402 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2403 2404 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2405 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2406 rtw_update_channel(rtwdev, chan, chan, band, 2407 RTW_CHANNEL_WIDTH_20); 2408 if (rtw_is_op_chan(rtwdev, chan)) { 2409 rtw_store_op_chan(rtwdev, false); 2410 ieee80211_wake_queues(rtwdev->hw); 2411 rtw_core_enable_beacon(rtwdev, true); 2412 } 2413 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2414 if (IS_CH_5G_BAND(chan)) { 2415 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2416 } else if (IS_CH_2G_BAND(chan)) { 2417 u8 chan_type; 2418 2419 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2420 chan_type = COEX_SWITCH_TO_24G; 2421 else 2422 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2423 rtw_coex_switchband_notify(rtwdev, chan_type); 2424 } 2425 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2426 * channel that hardware will switch. We need to stop queue 2427 * if next channel is non-op channel. 2428 */ 2429 if (!rtw_is_op_chan(rtwdev, chan) && 2430 rtw_is_op_chan(rtwdev, hal->current_channel)) { 2431 rtw_core_enable_beacon(rtwdev, false); 2432 ieee80211_stop_queues(rtwdev->hw); 2433 } 2434 } 2435 2436 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2437 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2438 } 2439