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 u8 length; 143 }; 144 145 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 146 { 147 struct rtw_fw_iter_ra_data *ra_data = data; 148 struct rtw_c2h_ra_rpt *ra_rpt = (struct rtw_c2h_ra_rpt *)ra_data->payload; 149 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 150 u8 mac_id, rate, sgi, bw; 151 u8 mcs, nss; 152 u32 bit_rate; 153 154 mac_id = ra_rpt->mac_id; 155 if (si->mac_id != mac_id) 156 return; 157 158 si->ra_report.txrate.flags = 0; 159 160 rate = u8_get_bits(ra_rpt->rate_sgi, RTW_C2H_RA_RPT_RATE); 161 sgi = u8_get_bits(ra_rpt->rate_sgi, RTW_C2H_RA_RPT_SGI); 162 if (ra_data->length >= offsetofend(typeof(*ra_rpt), bw)) 163 bw = ra_rpt->bw; 164 else 165 bw = si->bw_mode; 166 167 if (rate < DESC_RATEMCS0) { 168 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 169 goto legacy; 170 } 171 172 rtw_desc_to_mcsrate(rate, &mcs, &nss); 173 if (rate >= DESC_RATEVHT1SS_MCS0) 174 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 175 else if (rate >= DESC_RATEMCS0) 176 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 177 178 if (rate >= DESC_RATEMCS0) { 179 si->ra_report.txrate.mcs = mcs; 180 si->ra_report.txrate.nss = nss; 181 } 182 183 if (sgi) 184 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 185 186 if (bw == RTW_CHANNEL_WIDTH_80) 187 si->ra_report.txrate.bw = RATE_INFO_BW_80; 188 else if (bw == RTW_CHANNEL_WIDTH_40) 189 si->ra_report.txrate.bw = RATE_INFO_BW_40; 190 else 191 si->ra_report.txrate.bw = RATE_INFO_BW_20; 192 193 legacy: 194 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 195 196 si->ra_report.desc_rate = rate; 197 si->ra_report.bit_rate = bit_rate; 198 199 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 200 } 201 202 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 203 u8 length) 204 { 205 struct rtw_c2h_ra_rpt *ra_rpt = (struct rtw_c2h_ra_rpt *)payload; 206 struct rtw_fw_iter_ra_data ra_data; 207 208 if (WARN(length < rtwdev->chip->c2h_ra_report_size, 209 "invalid ra report c2h length %d\n", length)) 210 return; 211 212 rtwdev->dm_info.tx_rate = u8_get_bits(ra_rpt->rate_sgi, 213 RTW_C2H_RA_RPT_RATE); 214 ra_data.rtwdev = rtwdev; 215 ra_data.payload = payload; 216 ra_data.length = length; 217 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 218 } 219 220 struct rtw_beacon_filter_iter_data { 221 struct rtw_dev *rtwdev; 222 u8 *payload; 223 }; 224 225 static void rtw_fw_bcn_filter_notify_vif_iter(void *data, 226 struct ieee80211_vif *vif) 227 { 228 struct rtw_beacon_filter_iter_data *iter_data = data; 229 struct rtw_dev *rtwdev = iter_data->rtwdev; 230 u8 *payload = iter_data->payload; 231 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 232 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 233 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 234 235 switch (type) { 236 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 237 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 238 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 239 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 240 break; 241 case BCN_FILTER_CONNECTION_LOSS: 242 ieee80211_connection_loss(vif); 243 break; 244 case BCN_FILTER_CONNECTED: 245 rtwdev->beacon_loss = false; 246 break; 247 case BCN_FILTER_NOTIFY_BEACON_LOSS: 248 rtwdev->beacon_loss = true; 249 rtw_leave_lps(rtwdev); 250 break; 251 } 252 } 253 254 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 255 u8 length) 256 { 257 struct rtw_beacon_filter_iter_data dev_iter_data; 258 259 dev_iter_data.rtwdev = rtwdev; 260 dev_iter_data.payload = payload; 261 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 262 &dev_iter_data); 263 } 264 265 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 266 u8 length) 267 { 268 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 269 270 dm_info->scan_density = payload[0]; 271 272 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 273 dm_info->scan_density); 274 } 275 276 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 277 u8 length) 278 { 279 const struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 280 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 281 282 if (!edcca_th) 283 return; 284 285 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 286 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 287 result->density, result->igi, result->l2h_th_init, result->l2h, 288 result->h2l, result->option); 289 290 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 291 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 292 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 293 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 294 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 295 296 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 297 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 298 "Set" : "Unset"); 299 } 300 301 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 302 { 303 struct rtw_c2h_cmd *c2h; 304 u32 pkt_offset; 305 u8 len; 306 307 pkt_offset = *((u32 *)skb->cb); 308 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 309 len = skb->len - pkt_offset - 2; 310 311 mutex_lock(&rtwdev->mutex); 312 313 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 314 goto unlock; 315 316 switch (c2h->id) { 317 case C2H_CCX_TX_RPT: 318 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 319 break; 320 case C2H_BT_INFO: 321 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 322 break; 323 case C2H_BT_HID_INFO: 324 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 325 break; 326 case C2H_WLAN_INFO: 327 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 328 break; 329 case C2H_BCN_FILTER_NOTIFY: 330 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 331 break; 332 case C2H_HALMAC: 333 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 334 break; 335 case C2H_RA_RPT: 336 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 337 break; 338 case C2H_ADAPTIVITY: 339 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 340 break; 341 default: 342 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 343 break; 344 } 345 346 unlock: 347 mutex_unlock(&rtwdev->mutex); 348 } 349 350 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 351 struct sk_buff *skb) 352 { 353 struct rtw_c2h_cmd *c2h; 354 u8 len; 355 356 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 357 len = skb->len - pkt_offset - 2; 358 *((u32 *)skb->cb) = pkt_offset; 359 360 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 361 c2h->id, c2h->seq, len); 362 363 switch (c2h->id) { 364 case C2H_BT_MP_INFO: 365 rtw_coex_info_response(rtwdev, skb); 366 break; 367 case C2H_WLAN_RFON: 368 complete(&rtwdev->lps_leave_check); 369 dev_kfree_skb_any(skb); 370 break; 371 case C2H_SCAN_RESULT: 372 complete(&rtwdev->fw_scan_density); 373 rtw_fw_scan_result(rtwdev, c2h->payload, len); 374 dev_kfree_skb_any(skb); 375 break; 376 default: 377 /* pass offset for further operation */ 378 *((u32 *)skb->cb) = pkt_offset; 379 skb_queue_tail(&rtwdev->c2h_queue, skb); 380 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 381 break; 382 } 383 } 384 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 385 386 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 387 { 388 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 389 rtw_fw_recovery(rtwdev); 390 else 391 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 392 } 393 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 394 395 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev, 396 struct rtw_h2c_register *h2c) 397 { 398 u32 box_reg, box_ex_reg; 399 u8 box_state, box; 400 int ret; 401 402 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0, 403 h2c->w1); 404 405 lockdep_assert_held(&rtwdev->mutex); 406 407 box = rtwdev->h2c.last_box_num; 408 switch (box) { 409 case 0: 410 box_reg = REG_HMEBOX0; 411 box_ex_reg = REG_HMEBOX0_EX; 412 break; 413 case 1: 414 box_reg = REG_HMEBOX1; 415 box_ex_reg = REG_HMEBOX1_EX; 416 break; 417 case 2: 418 box_reg = REG_HMEBOX2; 419 box_ex_reg = REG_HMEBOX2_EX; 420 break; 421 case 3: 422 box_reg = REG_HMEBOX3; 423 box_ex_reg = REG_HMEBOX3_EX; 424 break; 425 default: 426 WARN(1, "invalid h2c mail box number\n"); 427 return; 428 } 429 430 ret = read_poll_timeout_atomic(rtw_read8, box_state, 431 !((box_state >> box) & 0x1), 100, 3000, 432 false, rtwdev, REG_HMETFR); 433 434 if (ret) { 435 rtw_err(rtwdev, "failed to send h2c command\n"); 436 rtw_fw_dump_dbg_info(rtwdev); 437 return; 438 } 439 440 rtw_write32(rtwdev, box_ex_reg, h2c->w1); 441 rtw_write32(rtwdev, box_reg, h2c->w0); 442 443 if (++rtwdev->h2c.last_box_num >= 4) 444 rtwdev->h2c.last_box_num = 0; 445 } 446 447 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 448 u8 *h2c) 449 { 450 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 451 u8 box; 452 u8 box_state; 453 u32 box_reg, box_ex_reg; 454 int ret; 455 456 rtw_dbg(rtwdev, RTW_DBG_FW, 457 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 458 h2c[3], h2c[2], h2c[1], h2c[0], 459 h2c[7], h2c[6], h2c[5], h2c[4]); 460 461 lockdep_assert_held(&rtwdev->mutex); 462 463 box = rtwdev->h2c.last_box_num; 464 switch (box) { 465 case 0: 466 box_reg = REG_HMEBOX0; 467 box_ex_reg = REG_HMEBOX0_EX; 468 break; 469 case 1: 470 box_reg = REG_HMEBOX1; 471 box_ex_reg = REG_HMEBOX1_EX; 472 break; 473 case 2: 474 box_reg = REG_HMEBOX2; 475 box_ex_reg = REG_HMEBOX2_EX; 476 break; 477 case 3: 478 box_reg = REG_HMEBOX3; 479 box_ex_reg = REG_HMEBOX3_EX; 480 break; 481 default: 482 WARN(1, "invalid h2c mail box number\n"); 483 return; 484 } 485 486 ret = read_poll_timeout_atomic(rtw_read8, box_state, 487 !((box_state >> box) & 0x1), 100, 3000, 488 false, rtwdev, REG_HMETFR); 489 490 if (ret) { 491 rtw_err(rtwdev, "failed to send h2c command\n"); 492 return; 493 } 494 495 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 496 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 497 498 if (++rtwdev->h2c.last_box_num >= 4) 499 rtwdev->h2c.last_box_num = 0; 500 } 501 502 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 503 { 504 rtw_fw_send_h2c_command(rtwdev, h2c); 505 } 506 507 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 508 { 509 int ret; 510 511 lockdep_assert_held(&rtwdev->mutex); 512 513 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 514 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 515 if (ret) 516 rtw_err(rtwdev, "failed to send h2c packet\n"); 517 rtwdev->h2c.seq++; 518 } 519 520 void 521 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 522 { 523 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 524 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 525 u16 total_size = H2C_PKT_HDR_SIZE + 4; 526 527 if (rtw_chip_wcpu_8051(rtwdev)) 528 return; 529 530 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 531 532 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 533 534 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 535 fifo->rsvd_fw_txbuf_addr - 536 fifo->rsvd_boundary); 537 538 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 539 } 540 541 void 542 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 543 { 544 struct rtw_hal *hal = &rtwdev->hal; 545 struct rtw_efuse *efuse = &rtwdev->efuse; 546 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 547 u16 total_size = H2C_PKT_HDR_SIZE + 8; 548 u8 fw_rf_type = 0; 549 550 if (rtw_chip_wcpu_8051(rtwdev)) 551 return; 552 553 if (hal->rf_type == RF_1T1R) 554 fw_rf_type = FW_RF_1T1R; 555 else if (hal->rf_type == RF_2T2R) 556 fw_rf_type = FW_RF_2T2R; 557 558 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 559 560 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 561 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 562 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 563 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 564 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 565 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 566 567 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 568 } 569 570 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 571 { 572 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 573 u16 total_size = H2C_PKT_HDR_SIZE + 1; 574 575 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 576 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 577 IQK_SET_CLEAR(h2c_pkt, para->clear); 578 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 579 580 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 581 } 582 EXPORT_SYMBOL(rtw_fw_do_iqk); 583 584 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 585 { 586 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 587 588 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 589 590 RFK_SET_INFORM_START(h2c_pkt, start); 591 592 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 593 } 594 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 595 596 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 597 { 598 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 599 600 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 601 602 SET_QUERY_BT_INFO(h2c_pkt, true); 603 604 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 605 } 606 607 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) 608 { 609 struct rtw_h2c_register h2c = {}; 610 611 if (rtwvif->net_type != RTW_NET_MGD_LINKED) 612 return; 613 614 /* Leave LPS before default port H2C so FW timer is correct */ 615 rtw_leave_lps(rtwdev); 616 617 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) | 618 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) | 619 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID); 620 621 rtw_fw_send_h2c_command_register(rtwdev, &h2c); 622 } 623 624 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 625 { 626 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 627 628 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 629 630 SET_WL_CH_INFO_LINK(h2c_pkt, link); 631 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 632 SET_WL_CH_INFO_BW(h2c_pkt, bw); 633 634 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 635 } 636 637 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 638 struct rtw_coex_info_req *req) 639 { 640 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 641 642 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 643 644 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 645 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 646 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 647 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 648 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 649 650 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 651 } 652 653 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 654 { 655 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 656 u8 index = 0 - bt_pwr_dec_lvl; 657 658 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 659 660 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 661 662 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 663 } 664 665 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 666 { 667 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 668 669 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 670 671 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 672 673 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 674 } 675 676 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 677 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 678 { 679 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 680 681 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 682 683 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 684 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 685 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 686 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 687 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 688 689 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 690 } 691 692 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 693 { 694 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 695 696 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 697 698 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 699 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 700 701 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 702 } 703 704 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 705 { 706 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 707 708 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 709 710 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 711 712 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 713 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 714 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 715 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 716 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 717 718 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 719 } 720 721 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 722 { 723 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 724 u8 rssi = ewma_rssi_read(&si->avg_rssi); 725 bool stbc_en = si->stbc_en ? true : false; 726 727 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 728 729 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 730 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 731 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 732 733 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 734 } 735 736 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 737 bool reset_ra_mask) 738 { 739 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 740 bool disable_pt = true; 741 u32 mask_hi; 742 743 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 744 745 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 746 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 747 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 748 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 749 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 750 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 751 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 752 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 753 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 754 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 755 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 756 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 757 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 758 759 si->init_ra_lv = 0; 760 761 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 762 763 if (rtwdev->chip->id != RTW_CHIP_TYPE_8814A) 764 return; 765 766 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO_HI); 767 768 mask_hi = si->ra_mask >> 32; 769 770 SET_RA_INFO_RA_MASK0(h2c_pkt, (mask_hi & 0xff)); 771 SET_RA_INFO_RA_MASK1(h2c_pkt, (mask_hi & 0xff00) >> 8); 772 SET_RA_INFO_RA_MASK2(h2c_pkt, (mask_hi & 0xff0000) >> 16); 773 SET_RA_INFO_RA_MASK3(h2c_pkt, (mask_hi & 0xff000000) >> 24); 774 775 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 776 } 777 778 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 779 { 780 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 781 782 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 783 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 784 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 785 786 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 787 } 788 789 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 790 { 791 struct rtw_traffic_stats *stats = &rtwdev->stats; 792 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 793 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 794 795 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 796 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 797 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 798 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 799 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 800 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 801 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 802 } 803 804 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 805 struct ieee80211_vif *vif) 806 { 807 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 808 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 809 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 810 struct rtw_sta_info *si = 811 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 812 s32 thold = RTW_DEFAULT_CQM_THOLD; 813 u32 hyst = RTW_DEFAULT_CQM_HYST; 814 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 815 816 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 817 return; 818 819 if (bss_conf->cqm_rssi_thold) 820 thold = bss_conf->cqm_rssi_thold; 821 if (bss_conf->cqm_rssi_hyst) 822 hyst = bss_conf->cqm_rssi_hyst; 823 824 if (!connect) { 825 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 826 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 827 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 828 829 return; 830 } 831 832 if (!si) 833 return; 834 835 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 836 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 837 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 838 839 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 840 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max); 841 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 842 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 843 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 844 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 845 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold); 846 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 847 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 848 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst); 849 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 850 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 851 } 852 853 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 854 { 855 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 856 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 857 858 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 859 860 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 861 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 862 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 863 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 864 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 865 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 866 867 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 868 } 869 870 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 871 { 872 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 873 struct rtw_fw_wow_keep_alive_para mode = { 874 .adopt = true, 875 .pkt_type = KEEP_ALIVE_NULL_PKT, 876 .period = 5, 877 }; 878 879 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 880 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 881 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 882 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 883 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 884 885 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 886 } 887 888 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 889 { 890 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 891 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 892 struct rtw_fw_wow_disconnect_para mode = { 893 .adopt = true, 894 .period = 30, 895 .retry_count = 5, 896 }; 897 898 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 899 900 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 901 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 902 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 903 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 904 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 905 } 906 907 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 908 } 909 910 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 911 { 912 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 913 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 914 915 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 916 917 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 918 if (rtw_wow_mgd_linked(rtwdev)) { 919 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 920 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 921 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 922 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 923 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 924 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 925 if (rtw_wow->pattern_cnt) 926 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 927 } 928 929 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 930 } 931 932 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 933 u8 pairwise_key_enc, 934 u8 group_key_enc) 935 { 936 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 937 938 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 939 940 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 941 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 942 943 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 944 } 945 946 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 947 { 948 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 949 950 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 951 952 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 953 954 if (rtw_wow_no_link(rtwdev)) 955 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 956 957 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 958 } 959 960 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 961 enum rtw_rsvd_packet_type type) 962 { 963 struct rtw_rsvd_page *rsvd_pkt; 964 u8 location = 0; 965 966 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 967 if (type == rsvd_pkt->type) 968 location = rsvd_pkt->page; 969 } 970 971 return location; 972 } 973 974 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 975 { 976 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 977 u8 loc_nlo; 978 979 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 980 981 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 982 983 SET_NLO_FUN_EN(h2c_pkt, enable); 984 if (enable) { 985 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 986 SET_NLO_PS_32K(h2c_pkt, enable); 987 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 988 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 989 } 990 991 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 992 } 993 994 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 995 { 996 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 997 998 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 999 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 1000 1001 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1002 } 1003 1004 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 1005 { 1006 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1007 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1008 u8 loc_pg, loc_dpk; 1009 1010 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 1011 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 1012 1013 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 1014 1015 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 1016 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 1017 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 1018 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 1019 1020 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1021 } 1022 1023 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 1024 struct cfg80211_ssid *ssid) 1025 { 1026 struct rtw_rsvd_page *rsvd_pkt; 1027 u8 location = 0; 1028 1029 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1030 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1031 continue; 1032 if ((!ssid && !rsvd_pkt->ssid) || 1033 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1034 location = rsvd_pkt->page; 1035 } 1036 1037 return location; 1038 } 1039 1040 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 1041 struct cfg80211_ssid *ssid) 1042 { 1043 struct rtw_rsvd_page *rsvd_pkt; 1044 u16 size = 0; 1045 1046 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1047 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1048 continue; 1049 if ((!ssid && !rsvd_pkt->ssid) || 1050 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1051 size = rsvd_pkt->probe_req_size; 1052 } 1053 1054 return size; 1055 } 1056 1057 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 1058 { 1059 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1060 u8 location = 0; 1061 1062 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 1063 1064 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 1065 *(h2c_pkt + 1) = location; 1066 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 1067 1068 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 1069 *(h2c_pkt + 2) = location; 1070 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 1071 1072 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 1073 *(h2c_pkt + 3) = location; 1074 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 1075 1076 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 1077 *(h2c_pkt + 4) = location; 1078 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 1079 1080 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1081 } 1082 1083 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 1084 { 1085 struct rtw_dev *rtwdev = hw->priv; 1086 const struct rtw_chip_info *chip = rtwdev->chip; 1087 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1088 struct rtw_nlo_info_hdr *nlo_hdr; 1089 struct cfg80211_ssid *ssid; 1090 struct sk_buff *skb; 1091 u8 *pos, loc; 1092 u32 size; 1093 int i; 1094 1095 if (!pno_req->inited || !pno_req->match_set_cnt) 1096 return NULL; 1097 1098 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 1099 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 1100 1101 skb = alloc_skb(size, GFP_KERNEL); 1102 if (!skb) 1103 return NULL; 1104 1105 skb_reserve(skb, chip->tx_pkt_desc_sz); 1106 1107 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 1108 1109 nlo_hdr->nlo_count = pno_req->match_set_cnt; 1110 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 1111 1112 /* pattern check for firmware */ 1113 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 1114 1115 for (i = 0; i < pno_req->match_set_cnt; i++) 1116 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 1117 1118 for (i = 0; i < pno_req->match_set_cnt; i++) { 1119 ssid = &pno_req->match_sets[i].ssid; 1120 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1121 if (!loc) { 1122 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 1123 kfree_skb(skb); 1124 return NULL; 1125 } 1126 nlo_hdr->location[i] = loc; 1127 } 1128 1129 for (i = 0; i < pno_req->match_set_cnt; i++) { 1130 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 1131 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 1132 pno_req->match_sets[i].ssid.ssid_len); 1133 } 1134 1135 return skb; 1136 } 1137 1138 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 1139 { 1140 struct rtw_dev *rtwdev = hw->priv; 1141 const struct rtw_chip_info *chip = rtwdev->chip; 1142 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1143 struct ieee80211_channel *channels = pno_req->channels; 1144 struct sk_buff *skb; 1145 int count = pno_req->channel_cnt; 1146 u8 *pos; 1147 int i = 0; 1148 1149 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 1150 if (!skb) 1151 return NULL; 1152 1153 skb_reserve(skb, chip->tx_pkt_desc_sz); 1154 1155 for (i = 0; i < count; i++) { 1156 pos = skb_put_zero(skb, 4); 1157 1158 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 1159 1160 if (channels[i].flags & IEEE80211_CHAN_RADAR) 1161 CHSW_INFO_SET_ACTION_ID(pos, 0); 1162 else 1163 CHSW_INFO_SET_ACTION_ID(pos, 1); 1164 CHSW_INFO_SET_TIMEOUT(pos, 1); 1165 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 1166 CHSW_INFO_SET_BW(pos, 0); 1167 } 1168 1169 return skb; 1170 } 1171 1172 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 1173 { 1174 struct rtw_dev *rtwdev = hw->priv; 1175 const struct rtw_chip_info *chip = rtwdev->chip; 1176 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1177 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1178 struct sk_buff *skb; 1179 u32 size; 1180 1181 size = chip->tx_pkt_desc_sz + sizeof(*dpk_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 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1188 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1189 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1190 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1191 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1192 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1193 1194 return skb; 1195 } 1196 1197 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1198 { 1199 struct rtw_dev *rtwdev = hw->priv; 1200 const struct rtw_chip_info *chip = rtwdev->chip; 1201 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1202 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1203 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1204 struct sk_buff *skb; 1205 u32 size; 1206 1207 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1208 skb = alloc_skb(size, GFP_KERNEL); 1209 if (!skb) 1210 return NULL; 1211 1212 skb_reserve(skb, chip->tx_pkt_desc_sz); 1213 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1214 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1215 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1216 pg_info_hdr->sec_cam_count = 1217 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1218 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1219 1220 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1221 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1222 1223 return skb; 1224 } 1225 1226 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1227 struct rtw_rsvd_page *rsvd_pkt) 1228 { 1229 struct ieee80211_vif *vif; 1230 struct rtw_vif *rtwvif; 1231 struct sk_buff *skb_new; 1232 struct cfg80211_ssid *ssid; 1233 u16 tim_offset = 0; 1234 1235 if (rsvd_pkt->type == RSVD_DUMMY) { 1236 skb_new = alloc_skb(1, GFP_KERNEL); 1237 if (!skb_new) 1238 return NULL; 1239 1240 skb_put(skb_new, 1); 1241 return skb_new; 1242 } 1243 1244 rtwvif = rsvd_pkt->rtwvif; 1245 if (!rtwvif) 1246 return NULL; 1247 1248 vif = rtwvif_to_vif(rtwvif); 1249 1250 switch (rsvd_pkt->type) { 1251 case RSVD_BEACON: 1252 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1253 rsvd_pkt->tim_offset = tim_offset; 1254 break; 1255 case RSVD_PS_POLL: 1256 skb_new = ieee80211_pspoll_get(hw, vif); 1257 break; 1258 case RSVD_PROBE_RESP: 1259 skb_new = ieee80211_proberesp_get(hw, vif); 1260 break; 1261 case RSVD_NULL: 1262 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1263 break; 1264 case RSVD_QOS_NULL: 1265 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1266 break; 1267 case RSVD_LPS_PG_DPK: 1268 skb_new = rtw_lps_pg_dpk_get(hw); 1269 break; 1270 case RSVD_LPS_PG_INFO: 1271 skb_new = rtw_lps_pg_info_get(hw); 1272 break; 1273 case RSVD_PROBE_REQ: 1274 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1275 if (ssid) 1276 skb_new = ieee80211_probereq_get(hw, vif->addr, 1277 ssid->ssid, 1278 ssid->ssid_len, 0); 1279 else 1280 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1281 if (skb_new) 1282 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1283 break; 1284 case RSVD_NLO_INFO: 1285 skb_new = rtw_nlo_info_get(hw); 1286 break; 1287 case RSVD_CH_INFO: 1288 skb_new = rtw_cs_channel_info_get(hw); 1289 break; 1290 default: 1291 return NULL; 1292 } 1293 1294 if (!skb_new) 1295 return NULL; 1296 1297 return skb_new; 1298 } 1299 1300 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1301 enum rtw_rsvd_packet_type type) 1302 { 1303 struct rtw_tx_pkt_info pkt_info = {0}; 1304 const struct rtw_chip_info *chip = rtwdev->chip; 1305 u8 *pkt_desc; 1306 1307 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1308 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1309 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1310 rtw_tx_fill_tx_desc(rtwdev, &pkt_info, skb); 1311 } 1312 1313 static inline u8 rtw_len_to_page(unsigned int len, u16 page_size) 1314 { 1315 return DIV_ROUND_UP(len, page_size); 1316 } 1317 1318 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u16 page_size, 1319 u16 page_margin, u32 page, u8 *buf, 1320 struct rtw_rsvd_page *rsvd_pkt) 1321 { 1322 struct sk_buff *skb = rsvd_pkt->skb; 1323 1324 if (page >= 1) 1325 memcpy(buf + page_margin + page_size * (page - 1), 1326 skb->data, skb->len); 1327 else 1328 memcpy(buf, skb->data, skb->len); 1329 } 1330 1331 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1332 enum rtw_rsvd_packet_type type, 1333 bool txdesc) 1334 { 1335 struct rtw_rsvd_page *rsvd_pkt = NULL; 1336 1337 rsvd_pkt = kzalloc_obj(*rsvd_pkt); 1338 1339 if (!rsvd_pkt) 1340 return NULL; 1341 1342 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1343 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1344 rsvd_pkt->type = type; 1345 rsvd_pkt->add_txdesc = txdesc; 1346 1347 return rsvd_pkt; 1348 } 1349 1350 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1351 struct rtw_vif *rtwvif, 1352 struct rtw_rsvd_page *rsvd_pkt) 1353 { 1354 lockdep_assert_held(&rtwdev->mutex); 1355 1356 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1357 } 1358 1359 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1360 struct rtw_vif *rtwvif, 1361 enum rtw_rsvd_packet_type type, 1362 bool txdesc) 1363 { 1364 struct rtw_rsvd_page *rsvd_pkt; 1365 1366 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1367 if (!rsvd_pkt) { 1368 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1369 return; 1370 } 1371 1372 rsvd_pkt->rtwvif = rtwvif; 1373 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1374 } 1375 1376 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1377 struct rtw_vif *rtwvif, 1378 struct cfg80211_ssid *ssid) 1379 { 1380 struct rtw_rsvd_page *rsvd_pkt; 1381 1382 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1383 if (!rsvd_pkt) { 1384 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1385 return; 1386 } 1387 1388 rsvd_pkt->rtwvif = rtwvif; 1389 rsvd_pkt->ssid = ssid; 1390 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1391 } 1392 1393 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1394 struct rtw_vif *rtwvif) 1395 { 1396 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1397 1398 lockdep_assert_held(&rtwdev->mutex); 1399 1400 /* remove all of the rsvd pages for vif */ 1401 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1402 vif_list) { 1403 list_del(&rsvd_pkt->vif_list); 1404 if (!list_empty(&rsvd_pkt->build_list)) 1405 list_del(&rsvd_pkt->build_list); 1406 kfree(rsvd_pkt); 1407 } 1408 } 1409 1410 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1411 struct rtw_vif *rtwvif) 1412 { 1413 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1414 1415 if (vif->type != NL80211_IFTYPE_AP && 1416 vif->type != NL80211_IFTYPE_ADHOC && 1417 vif->type != NL80211_IFTYPE_MESH_POINT) { 1418 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1419 vif->type); 1420 return; 1421 } 1422 1423 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1424 } 1425 1426 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1427 struct rtw_vif *rtwvif) 1428 { 1429 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1430 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1431 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1432 struct cfg80211_ssid *ssid; 1433 int i; 1434 1435 if (vif->type != NL80211_IFTYPE_STATION) { 1436 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1437 vif->type); 1438 return; 1439 } 1440 1441 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1442 ssid = &rtw_pno_req->match_sets[i].ssid; 1443 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1444 } 1445 1446 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1447 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1448 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1449 } 1450 1451 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1452 struct rtw_vif *rtwvif) 1453 { 1454 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1455 1456 if (vif->type != NL80211_IFTYPE_STATION) { 1457 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1458 vif->type); 1459 return; 1460 } 1461 1462 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1463 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1464 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1465 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1466 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1467 } 1468 1469 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1470 u8 *buf, u32 size) 1471 { 1472 u8 bckp[3]; 1473 u8 val; 1474 u16 rsvd_pg_head; 1475 u32 bcn_valid_addr; 1476 u32 bcn_valid_mask; 1477 int ret; 1478 1479 lockdep_assert_held(&rtwdev->mutex); 1480 1481 if (!size) 1482 return -EINVAL; 1483 1484 bckp[2] = rtw_read8(rtwdev, REG_BCN_CTRL); 1485 1486 if (rtw_chip_wcpu_8051(rtwdev)) { 1487 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1488 } else { 1489 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1490 pg_addr |= BIT_BCN_VALID_V1; 1491 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1492 } 1493 1494 val = rtw_read8(rtwdev, REG_CR + 1); 1495 bckp[0] = val; 1496 val |= BIT_ENSWBCN >> 8; 1497 rtw_write8(rtwdev, REG_CR + 1, val); 1498 1499 rtw_write8(rtwdev, REG_BCN_CTRL, 1500 (bckp[2] & ~BIT_EN_BCN_FUNCTION) | BIT_DIS_TSF_UDT); 1501 1502 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) { 1503 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1504 bckp[1] = val; 1505 val &= ~(BIT_EN_BCNQ_DL >> 16); 1506 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1507 } 1508 1509 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1510 if (ret) { 1511 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1512 goto restore; 1513 } 1514 1515 if (rtw_chip_wcpu_8051(rtwdev)) { 1516 bcn_valid_addr = REG_DWBCN0_CTRL; 1517 bcn_valid_mask = BIT_BCN_VALID; 1518 } else { 1519 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1520 bcn_valid_mask = BIT_BCN_VALID_V1; 1521 } 1522 1523 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1524 rtw_err(rtwdev, "error beacon valid\n"); 1525 ret = -EBUSY; 1526 } 1527 1528 restore: 1529 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1530 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1531 rsvd_pg_head | BIT_BCN_VALID_V1); 1532 rtw_write8(rtwdev, REG_BCN_CTRL, bckp[2]); 1533 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) 1534 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1535 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1536 1537 return ret; 1538 } 1539 1540 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1541 { 1542 u32 pg_size; 1543 u32 pg_num = 0; 1544 u16 pg_addr = 0; 1545 1546 pg_size = rtwdev->chip->page_size; 1547 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1548 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1549 return -ENOMEM; 1550 1551 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1552 1553 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1554 } 1555 1556 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1557 { 1558 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1559 1560 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1561 build_list) { 1562 list_del_init(&rsvd_pkt->build_list); 1563 1564 /* Don't free except for the dummy rsvd page, 1565 * others will be freed when removing vif 1566 */ 1567 if (rsvd_pkt->type == RSVD_DUMMY) 1568 kfree(rsvd_pkt); 1569 } 1570 } 1571 1572 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1573 struct ieee80211_vif *vif) 1574 { 1575 struct rtw_dev *rtwdev = data; 1576 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1577 struct rtw_rsvd_page *rsvd_pkt; 1578 1579 /* AP not yet started, don't gather its rsvd pages */ 1580 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active) 1581 return; 1582 1583 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1584 if (rsvd_pkt->type == RSVD_BEACON) 1585 list_add(&rsvd_pkt->build_list, 1586 &rtwdev->rsvd_page_list); 1587 else 1588 list_add_tail(&rsvd_pkt->build_list, 1589 &rtwdev->rsvd_page_list); 1590 } 1591 } 1592 1593 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1594 { 1595 struct rtw_rsvd_page *rsvd_pkt; 1596 1597 __rtw_build_rsvd_page_reset(rtwdev); 1598 1599 /* gather rsvd page from vifs */ 1600 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1601 1602 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1603 struct rtw_rsvd_page, build_list); 1604 if (!rsvd_pkt) { 1605 WARN(1, "Should not have an empty reserved page\n"); 1606 return -EINVAL; 1607 } 1608 1609 /* the first rsvd should be beacon, otherwise add a dummy one */ 1610 if (rsvd_pkt->type != RSVD_BEACON) { 1611 struct rtw_rsvd_page *dummy_pkt; 1612 1613 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1614 if (!dummy_pkt) { 1615 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1616 return -ENOMEM; 1617 } 1618 1619 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1620 } 1621 1622 return 0; 1623 } 1624 1625 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1626 { 1627 const struct rtw_chip_info *chip = rtwdev->chip; 1628 struct ieee80211_hw *hw = rtwdev->hw; 1629 struct rtw_rsvd_page *rsvd_pkt; 1630 struct sk_buff *iter; 1631 u16 page_size, page_margin, tx_desc_sz; 1632 u8 total_page = 0; 1633 u32 page = 0; 1634 u8 *buf; 1635 int ret; 1636 1637 page_size = chip->page_size; 1638 tx_desc_sz = chip->tx_pkt_desc_sz; 1639 page_margin = page_size - tx_desc_sz; 1640 1641 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1642 if (ret) { 1643 rtw_err(rtwdev, 1644 "failed to build rsvd page from vifs, ret %d\n", ret); 1645 return NULL; 1646 } 1647 1648 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1649 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1650 if (!iter) { 1651 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1652 goto release_skb; 1653 } 1654 1655 /* Fill the tx_desc for the rsvd pkt that requires one. 1656 * And iter->len will be added with size of tx_desc_sz. 1657 */ 1658 if (rsvd_pkt->add_txdesc) 1659 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1660 1661 rsvd_pkt->skb = iter; 1662 rsvd_pkt->page = total_page; 1663 1664 /* Reserved page is downloaded via TX path, and TX path will 1665 * generate a tx_desc at the header to describe length of 1666 * the buffer. If we are not counting page numbers with the 1667 * size of tx_desc added at the first rsvd_pkt (usually a 1668 * beacon, firmware default refer to the first page as the 1669 * content of beacon), we could generate a buffer which size 1670 * is smaller than the actual size of the whole rsvd_page 1671 */ 1672 if (total_page == 0) { 1673 if (rsvd_pkt->type != RSVD_BEACON && 1674 rsvd_pkt->type != RSVD_DUMMY) { 1675 rtw_err(rtwdev, "first page should be a beacon\n"); 1676 goto release_skb; 1677 } 1678 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1679 page_size); 1680 } else { 1681 total_page += rtw_len_to_page(iter->len, page_size); 1682 } 1683 } 1684 1685 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1686 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1687 goto release_skb; 1688 } 1689 1690 *size = (total_page - 1) * page_size + page_margin; 1691 buf = kzalloc(*size, GFP_KERNEL); 1692 if (!buf) 1693 goto release_skb; 1694 1695 /* Copy the content of each rsvd_pkt to the buf, and they should 1696 * be aligned to the pages. 1697 * 1698 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1699 * And that rsvd_pkt does not require tx_desc because when it goes 1700 * through TX path, the TX path will generate one for it. 1701 */ 1702 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1703 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1704 page, buf, rsvd_pkt); 1705 if (page == 0) 1706 page += rtw_len_to_page(rsvd_pkt->skb->len + 1707 tx_desc_sz, page_size); 1708 else 1709 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1710 1711 kfree_skb(rsvd_pkt->skb); 1712 rsvd_pkt->skb = NULL; 1713 } 1714 1715 return buf; 1716 1717 release_skb: 1718 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1719 kfree_skb(rsvd_pkt->skb); 1720 rsvd_pkt->skb = NULL; 1721 } 1722 1723 return NULL; 1724 } 1725 1726 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1727 { 1728 struct ieee80211_hw *hw = rtwdev->hw; 1729 struct rtw_rsvd_page *rsvd_pkt; 1730 struct sk_buff *skb; 1731 int ret = 0; 1732 1733 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1734 struct rtw_rsvd_page, build_list); 1735 if (!rsvd_pkt) { 1736 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1737 return -ENOENT; 1738 } 1739 1740 if (rsvd_pkt->type != RSVD_BEACON && 1741 rsvd_pkt->type != RSVD_DUMMY) { 1742 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1743 rsvd_pkt->type); 1744 return -EINVAL; 1745 } 1746 1747 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1748 if (!skb) { 1749 rtw_err(rtwdev, "failed to get beacon skb\n"); 1750 return -ENOMEM; 1751 } 1752 1753 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1754 if (ret) 1755 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1756 1757 dev_kfree_skb(skb); 1758 1759 return ret; 1760 } 1761 1762 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1763 { 1764 u8 *buf; 1765 u32 size; 1766 int ret; 1767 1768 buf = rtw_build_rsvd_page(rtwdev, &size); 1769 if (!buf) { 1770 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1771 return -ENOMEM; 1772 } 1773 1774 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1775 if (ret) { 1776 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1777 goto free; 1778 } 1779 1780 /* The last thing is to download the *ONLY* beacon again, because 1781 * the previous tx_desc is to describe the total rsvd page. Download 1782 * the beacon again to replace the TX desc header, and we will get 1783 * a correct tx_desc for the beacon in the rsvd page. 1784 */ 1785 ret = rtw_download_beacon(rtwdev); 1786 if (ret) { 1787 rtw_err(rtwdev, "failed to download beacon\n"); 1788 goto free; 1789 } 1790 1791 free: 1792 kfree(buf); 1793 1794 return ret; 1795 } 1796 1797 void rtw_fw_update_beacon_work(struct work_struct *work) 1798 { 1799 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1800 update_beacon_work); 1801 1802 mutex_lock(&rtwdev->mutex); 1803 rtw_fw_download_rsvd_page(rtwdev); 1804 rtw_send_rsvd_page_h2c(rtwdev); 1805 mutex_unlock(&rtwdev->mutex); 1806 } 1807 1808 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1809 u32 *buf, u32 residue, u16 start_pg) 1810 { 1811 u32 i; 1812 u16 idx = 0; 1813 u16 ctl; 1814 1815 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1816 /* disable rx clock gate */ 1817 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1818 1819 do { 1820 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1821 1822 for (i = FIFO_DUMP_ADDR + residue; 1823 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1824 buf[idx++] = rtw_read32(rtwdev, i); 1825 size -= 4; 1826 if (size == 0) 1827 goto out; 1828 } 1829 1830 residue = 0; 1831 start_pg++; 1832 } while (size); 1833 1834 out: 1835 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1836 /* restore rx clock gate */ 1837 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1838 } 1839 1840 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1841 u32 offset, u32 size, u32 *buf) 1842 { 1843 const struct rtw_chip_info *chip = rtwdev->chip; 1844 u32 start_pg, residue; 1845 1846 if (sel >= RTW_FW_FIFO_MAX) { 1847 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1848 return; 1849 } 1850 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1851 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1852 residue = offset & (FIFO_PAGE_SIZE - 1); 1853 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1854 1855 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1856 } 1857 1858 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1859 enum rtw_fw_fifo_sel sel, 1860 u32 start_addr, u32 size) 1861 { 1862 switch (sel) { 1863 case RTW_FW_FIFO_SEL_TX: 1864 case RTW_FW_FIFO_SEL_RX: 1865 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1866 return false; 1867 fallthrough; 1868 default: 1869 return true; 1870 } 1871 } 1872 1873 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1874 u32 *buffer) 1875 { 1876 if (!rtwdev->chip->fw_fifo_addr[0]) { 1877 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1878 return -ENOTSUPP; 1879 } 1880 1881 if (size == 0 || !buffer) 1882 return -EINVAL; 1883 1884 if (size & 0x3) { 1885 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1886 return -EINVAL; 1887 } 1888 1889 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1890 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1891 return -EINVAL; 1892 } 1893 1894 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1895 1896 return 0; 1897 } 1898 1899 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1900 u8 location) 1901 { 1902 const struct rtw_chip_info *chip = rtwdev->chip; 1903 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1904 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1905 1906 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1907 1908 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1909 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1910 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1911 1912 /* include txdesc size */ 1913 size += chip->tx_pkt_desc_sz; 1914 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1915 1916 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1917 } 1918 1919 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1920 struct cfg80211_ssid *ssid) 1921 { 1922 u8 loc; 1923 u16 size; 1924 1925 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1926 if (!loc) { 1927 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1928 return; 1929 } 1930 1931 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1932 if (!size) { 1933 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1934 return; 1935 } 1936 1937 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1938 } 1939 1940 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1941 { 1942 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1943 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1944 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1945 u8 loc_ch_info; 1946 const struct rtw_ch_switch_option cs_option = { 1947 .dest_ch_en = 1, 1948 .dest_ch = 1, 1949 .periodic_option = 2, 1950 .normal_period = 5, 1951 .normal_period_sel = 0, 1952 .normal_cycle = 10, 1953 .slow_period = 1, 1954 .slow_period_sel = 1, 1955 }; 1956 1957 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1958 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1959 1960 CH_SWITCH_SET_START(h2c_pkt, enable); 1961 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1962 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1963 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1964 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1965 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1966 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1967 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1968 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1969 1970 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1971 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1972 1973 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1974 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1975 1976 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1977 } 1978 1979 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1980 { 1981 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1982 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1983 1984 if (!rtw_edcca_enabled) { 1985 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1986 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1987 "EDCCA disabled by debugfs\n"); 1988 } 1989 1990 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1991 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1992 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1993 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1994 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1995 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1996 1997 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1998 } 1999 2000 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 2001 { 2002 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2003 2004 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 2005 SET_SCAN_START(h2c_pkt, start); 2006 2007 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 2008 } 2009 2010 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 2011 struct sk_buff_head *list, u8 *bands, 2012 struct rtw_vif *rtwvif) 2013 { 2014 const struct rtw_chip_info *chip = rtwdev->chip; 2015 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 2016 struct sk_buff *new; 2017 u8 idx; 2018 2019 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 2020 if (!(BIT(idx) & chip->band)) 2021 continue; 2022 new = skb_copy(skb, GFP_KERNEL); 2023 if (!new) 2024 return -ENOMEM; 2025 skb_put_data(new, ies->ies[idx], ies->len[idx]); 2026 skb_put_data(new, ies->common_ies, ies->common_ie_len); 2027 skb_queue_tail(list, new); 2028 (*bands)++; 2029 } 2030 2031 return 0; 2032 } 2033 2034 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 2035 struct sk_buff_head *probe_req_list) 2036 { 2037 const struct rtw_chip_info *chip = rtwdev->chip; 2038 struct sk_buff *skb, *tmp; 2039 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 2040 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 2041 u16 page_size = chip->page_size; 2042 u8 page_offset = 1, *buf; 2043 u16 buf_offset = page_size * page_offset; 2044 unsigned int pkt_len; 2045 u8 page_cnt, pages; 2046 int ret; 2047 2048 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 2049 page_cnt = RTW_OLD_PROBE_PG_CNT; 2050 else 2051 page_cnt = RTW_PROBE_PG_CNT; 2052 2053 pages = page_offset + num_probes * page_cnt; 2054 2055 buf = kzalloc(page_size * pages, GFP_KERNEL); 2056 if (!buf) 2057 return -ENOMEM; 2058 2059 buf_offset -= tx_desc_sz; 2060 skb_queue_walk_safe(probe_req_list, skb, tmp) { 2061 skb_unlink(skb, probe_req_list); 2062 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 2063 if (skb->len > page_size * page_cnt) { 2064 ret = -EINVAL; 2065 goto out; 2066 } 2067 2068 memcpy(buf + buf_offset, skb->data, skb->len); 2069 pkt_len = skb->len - tx_desc_sz; 2070 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 2071 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 2072 2073 buf_offset += page_cnt * page_size; 2074 page_offset += page_cnt; 2075 kfree_skb(skb); 2076 } 2077 2078 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 2079 if (ret) { 2080 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 2081 goto out; 2082 } 2083 2084 rtwdev->scan_info.probe_pg_size = page_offset; 2085 out: 2086 kfree(buf); 2087 skb_queue_walk_safe(probe_req_list, skb, tmp) 2088 kfree_skb(skb); 2089 2090 return ret; 2091 } 2092 2093 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 2094 struct rtw_vif *rtwvif) 2095 { 2096 struct cfg80211_scan_request *req = rtwvif->scan_req; 2097 struct sk_buff_head list; 2098 struct sk_buff *skb, *tmp; 2099 u8 num = req->n_ssids, i, bands = 0; 2100 int ret; 2101 2102 skb_queue_head_init(&list); 2103 for (i = 0; i < num; i++) { 2104 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 2105 req->ssids[i].ssid, 2106 req->ssids[i].ssid_len, 2107 req->ie_len); 2108 if (!skb) { 2109 ret = -ENOMEM; 2110 goto out; 2111 } 2112 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 2113 rtwvif); 2114 if (ret) 2115 goto out; 2116 2117 kfree_skb(skb); 2118 } 2119 2120 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 2121 2122 out: 2123 skb_queue_walk_safe(&list, skb, tmp) 2124 kfree_skb(skb); 2125 2126 return ret; 2127 } 2128 2129 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 2130 struct rtw_chan_list *list, u8 *buf) 2131 { 2132 u8 *chan = &buf[list->size]; 2133 u8 info_size = RTW_CH_INFO_SIZE; 2134 2135 if (list->size > list->buf_size) 2136 return -ENOMEM; 2137 2138 CH_INFO_SET_CH(chan, info->channel); 2139 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 2140 CH_INFO_SET_BW(chan, info->bw); 2141 CH_INFO_SET_TIMEOUT(chan, info->timeout); 2142 CH_INFO_SET_ACTION_ID(chan, info->action_id); 2143 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 2144 if (info->extra_info) { 2145 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 2146 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 2147 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 2148 RTW_EX_CH_INFO_HDR_SIZE); 2149 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 2150 info_size += RTW_EX_CH_INFO_SIZE; 2151 } 2152 list->size += info_size; 2153 list->ch_num++; 2154 2155 return 0; 2156 } 2157 2158 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2159 struct rtw_chan_list *list, u8 *buf) 2160 { 2161 struct cfg80211_scan_request *req = rtwvif->scan_req; 2162 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2163 struct ieee80211_channel *channel; 2164 int i, ret = 0; 2165 2166 for (i = 0; i < req->n_channels; i++) { 2167 struct rtw_chan_info ch_info = {0}; 2168 2169 channel = req->channels[i]; 2170 ch_info.channel = channel->hw_value; 2171 ch_info.bw = RTW_SCAN_WIDTH; 2172 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 2173 ch_info.timeout = req->duration_mandatory ? 2174 req->duration : RTW_CHANNEL_TIME; 2175 2176 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 2177 ch_info.action_id = RTW_CHANNEL_RADAR; 2178 ch_info.extra_info = 1; 2179 /* Overwrite duration for passive scans if necessary */ 2180 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 2181 ch_info.timeout : RTW_PASS_CHAN_TIME; 2182 } else { 2183 ch_info.action_id = RTW_CHANNEL_ACTIVE; 2184 } 2185 2186 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 2187 if (ret) 2188 return ret; 2189 } 2190 2191 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2192 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2193 return -EINVAL; 2194 } 2195 2196 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2197 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2198 if (ret) 2199 rtw_err(rtwdev, "Download channel list failed\n"); 2200 2201 return ret; 2202 } 2203 2204 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2205 struct rtw_ch_switch_option *opt, 2206 struct rtw_vif *rtwvif, 2207 struct rtw_chan_list *list) 2208 { 2209 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2210 struct cfg80211_scan_request *req = rtwvif->scan_req; 2211 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2212 /* reserve one dummy page at the beginning for tx descriptor */ 2213 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2214 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2215 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2216 2217 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2218 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2219 2220 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2221 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2222 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2223 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2224 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2225 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2226 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2227 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2228 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2229 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2230 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2231 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2232 req->duration : RTW_CHANNEL_TIME); 2233 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2234 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2235 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2236 2237 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2238 } 2239 2240 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2241 struct ieee80211_scan_request *scan_req) 2242 { 2243 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2244 struct cfg80211_scan_request *req = &scan_req->req; 2245 u8 mac_addr[ETH_ALEN]; 2246 2247 rtwdev->scan_info.scanning_vif = vif; 2248 rtwvif->scan_ies = &scan_req->ies; 2249 rtwvif->scan_req = req; 2250 2251 ieee80211_stop_queues(rtwdev->hw); 2252 rtw_leave_lps_deep(rtwdev); 2253 rtw_hci_flush_all_queues(rtwdev, false); 2254 rtw_mac_flush_all_queues(rtwdev, false); 2255 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2256 get_random_mask_addr(mac_addr, req->mac_addr, 2257 req->mac_addr_mask); 2258 else 2259 ether_addr_copy(mac_addr, vif->addr); 2260 2261 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2262 2263 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2264 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2265 } 2266 2267 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2268 bool aborted) 2269 { 2270 struct cfg80211_scan_info info = { 2271 .aborted = aborted, 2272 }; 2273 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2274 struct rtw_hal *hal = &rtwdev->hal; 2275 struct rtw_vif *rtwvif; 2276 u8 chan = scan_info->op_chan; 2277 2278 if (!vif) 2279 return; 2280 2281 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2282 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2283 2284 rtw_core_scan_complete(rtwdev, vif, true); 2285 2286 rtwvif = (struct rtw_vif *)vif->drv_priv; 2287 if (chan) 2288 rtw_store_op_chan(rtwdev, false); 2289 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2290 ieee80211_wake_queues(rtwdev->hw); 2291 ieee80211_scan_completed(rtwdev->hw, &info); 2292 2293 rtwvif->scan_req = NULL; 2294 rtwvif->scan_ies = NULL; 2295 rtwdev->scan_info.scanning_vif = NULL; 2296 } 2297 2298 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2299 struct rtw_chan_list *list) 2300 { 2301 struct cfg80211_scan_request *req = rtwvif->scan_req; 2302 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2303 u8 *buf; 2304 int ret; 2305 2306 buf = kmalloc(size, GFP_KERNEL); 2307 if (!buf) 2308 return -ENOMEM; 2309 2310 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2311 if (ret) { 2312 rtw_err(rtwdev, "Update probe request failed\n"); 2313 goto out; 2314 } 2315 2316 list->buf_size = size; 2317 list->size = 0; 2318 list->ch_num = 0; 2319 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2320 out: 2321 kfree(buf); 2322 2323 return ret; 2324 } 2325 2326 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2327 bool enable) 2328 { 2329 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2330 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2331 struct rtw_ch_switch_option cs_option = {0}; 2332 struct rtw_chan_list chan_list = {0}; 2333 int ret = 0; 2334 2335 if (!rtwvif) 2336 return -EINVAL; 2337 2338 cs_option.switch_en = enable; 2339 cs_option.back_op_en = scan_info->op_chan != 0; 2340 if (enable) { 2341 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2342 if (ret) 2343 goto out; 2344 } 2345 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2346 out: 2347 if (rtwdev->ap_active) { 2348 ret = rtw_download_beacon(rtwdev); 2349 if (ret) 2350 rtw_err(rtwdev, "HW scan download beacon failed\n"); 2351 } 2352 2353 return ret; 2354 } 2355 2356 void rtw_hw_scan_abort(struct rtw_dev *rtwdev) 2357 { 2358 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2359 2360 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2361 return; 2362 2363 rtw_hw_scan_offload(rtwdev, vif, false); 2364 rtw_hw_scan_complete(rtwdev, vif, true); 2365 } 2366 2367 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2368 { 2369 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2370 struct rtw_c2h_cmd *c2h; 2371 bool aborted; 2372 u8 rc; 2373 2374 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2375 return; 2376 2377 c2h = get_c2h_from_skb(skb); 2378 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2379 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2380 rtw_hw_scan_complete(rtwdev, vif, aborted); 2381 2382 if (aborted) 2383 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2384 } 2385 2386 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2387 { 2388 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2389 struct rtw_hal *hal = &rtwdev->hal; 2390 u8 band; 2391 2392 if (backup) { 2393 scan_info->op_chan = hal->current_channel; 2394 scan_info->op_bw = hal->current_band_width; 2395 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2396 scan_info->op_pri_ch = hal->primary_channel; 2397 } else { 2398 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2399 rtw_update_channel(rtwdev, scan_info->op_chan, 2400 scan_info->op_pri_ch, 2401 band, scan_info->op_bw); 2402 } 2403 } 2404 2405 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2406 { 2407 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2408 2409 scan_info->op_chan = 0; 2410 scan_info->op_bw = 0; 2411 scan_info->op_pri_ch_idx = 0; 2412 scan_info->op_pri_ch = 0; 2413 } 2414 2415 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2416 { 2417 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2418 2419 return channel == scan_info->op_chan; 2420 } 2421 2422 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2423 { 2424 struct rtw_hal *hal = &rtwdev->hal; 2425 struct rtw_c2h_cmd *c2h; 2426 enum rtw_scan_notify_id id; 2427 u8 chan, band, status; 2428 2429 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2430 return; 2431 2432 c2h = get_c2h_from_skb(skb); 2433 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2434 id = GET_CHAN_SWITCH_ID(c2h->payload); 2435 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2436 2437 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2438 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2439 rtw_update_channel(rtwdev, chan, chan, band, 2440 RTW_CHANNEL_WIDTH_20); 2441 if (rtw_is_op_chan(rtwdev, chan)) { 2442 rtw_store_op_chan(rtwdev, false); 2443 ieee80211_wake_queues(rtwdev->hw); 2444 rtw_core_enable_beacon(rtwdev, true); 2445 } 2446 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2447 if (IS_CH_5G_BAND(chan)) { 2448 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2449 } else if (IS_CH_2G_BAND(chan)) { 2450 u8 chan_type; 2451 2452 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2453 chan_type = COEX_SWITCH_TO_24G; 2454 else 2455 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2456 rtw_coex_switchband_notify(rtwdev, chan_type); 2457 } 2458 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2459 * channel that hardware will switch. We need to stop queue 2460 * if next channel is non-op channel. 2461 */ 2462 if (!rtw_is_op_chan(rtwdev, chan) && 2463 rtw_is_op_chan(rtwdev, hal->current_channel)) { 2464 rtw_core_enable_beacon(rtwdev, false); 2465 ieee80211_stop_queues(rtwdev->hw); 2466 } 2467 } 2468 2469 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2470 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2471 } 2472