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 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 283 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 284 result->density, result->igi, result->l2h_th_init, result->l2h, 285 result->h2l, result->option); 286 287 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 288 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 289 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 290 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 291 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 292 293 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 294 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 295 "Set" : "Unset"); 296 } 297 298 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 299 { 300 struct rtw_c2h_cmd *c2h; 301 u32 pkt_offset; 302 u8 len; 303 304 pkt_offset = *((u32 *)skb->cb); 305 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 306 len = skb->len - pkt_offset - 2; 307 308 mutex_lock(&rtwdev->mutex); 309 310 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 311 goto unlock; 312 313 switch (c2h->id) { 314 case C2H_CCX_TX_RPT: 315 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 316 break; 317 case C2H_BT_INFO: 318 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 319 break; 320 case C2H_BT_HID_INFO: 321 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 322 break; 323 case C2H_WLAN_INFO: 324 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 325 break; 326 case C2H_BCN_FILTER_NOTIFY: 327 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 328 break; 329 case C2H_HALMAC: 330 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 331 break; 332 case C2H_RA_RPT: 333 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 334 break; 335 case C2H_ADAPTIVITY: 336 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 337 break; 338 default: 339 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 340 break; 341 } 342 343 unlock: 344 mutex_unlock(&rtwdev->mutex); 345 } 346 347 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 348 struct sk_buff *skb) 349 { 350 struct rtw_c2h_cmd *c2h; 351 u8 len; 352 353 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 354 len = skb->len - pkt_offset - 2; 355 *((u32 *)skb->cb) = pkt_offset; 356 357 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 358 c2h->id, c2h->seq, len); 359 360 switch (c2h->id) { 361 case C2H_BT_MP_INFO: 362 rtw_coex_info_response(rtwdev, skb); 363 break; 364 case C2H_WLAN_RFON: 365 complete(&rtwdev->lps_leave_check); 366 dev_kfree_skb_any(skb); 367 break; 368 case C2H_SCAN_RESULT: 369 complete(&rtwdev->fw_scan_density); 370 rtw_fw_scan_result(rtwdev, c2h->payload, len); 371 dev_kfree_skb_any(skb); 372 break; 373 default: 374 /* pass offset for further operation */ 375 *((u32 *)skb->cb) = pkt_offset; 376 skb_queue_tail(&rtwdev->c2h_queue, skb); 377 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 378 break; 379 } 380 } 381 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 382 383 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 384 { 385 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 386 rtw_fw_recovery(rtwdev); 387 else 388 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 389 } 390 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 391 392 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev, 393 struct rtw_h2c_register *h2c) 394 { 395 u32 box_reg, box_ex_reg; 396 u8 box_state, box; 397 int ret; 398 399 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0, 400 h2c->w1); 401 402 lockdep_assert_held(&rtwdev->mutex); 403 404 box = rtwdev->h2c.last_box_num; 405 switch (box) { 406 case 0: 407 box_reg = REG_HMEBOX0; 408 box_ex_reg = REG_HMEBOX0_EX; 409 break; 410 case 1: 411 box_reg = REG_HMEBOX1; 412 box_ex_reg = REG_HMEBOX1_EX; 413 break; 414 case 2: 415 box_reg = REG_HMEBOX2; 416 box_ex_reg = REG_HMEBOX2_EX; 417 break; 418 case 3: 419 box_reg = REG_HMEBOX3; 420 box_ex_reg = REG_HMEBOX3_EX; 421 break; 422 default: 423 WARN(1, "invalid h2c mail box number\n"); 424 return; 425 } 426 427 ret = read_poll_timeout_atomic(rtw_read8, box_state, 428 !((box_state >> box) & 0x1), 100, 3000, 429 false, rtwdev, REG_HMETFR); 430 431 if (ret) { 432 rtw_err(rtwdev, "failed to send h2c command\n"); 433 rtw_fw_dump_dbg_info(rtwdev); 434 return; 435 } 436 437 rtw_write32(rtwdev, box_ex_reg, h2c->w1); 438 rtw_write32(rtwdev, box_reg, h2c->w0); 439 440 if (++rtwdev->h2c.last_box_num >= 4) 441 rtwdev->h2c.last_box_num = 0; 442 } 443 444 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 445 u8 *h2c) 446 { 447 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 448 u8 box; 449 u8 box_state; 450 u32 box_reg, box_ex_reg; 451 int ret; 452 453 rtw_dbg(rtwdev, RTW_DBG_FW, 454 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 455 h2c[3], h2c[2], h2c[1], h2c[0], 456 h2c[7], h2c[6], h2c[5], h2c[4]); 457 458 lockdep_assert_held(&rtwdev->mutex); 459 460 box = rtwdev->h2c.last_box_num; 461 switch (box) { 462 case 0: 463 box_reg = REG_HMEBOX0; 464 box_ex_reg = REG_HMEBOX0_EX; 465 break; 466 case 1: 467 box_reg = REG_HMEBOX1; 468 box_ex_reg = REG_HMEBOX1_EX; 469 break; 470 case 2: 471 box_reg = REG_HMEBOX2; 472 box_ex_reg = REG_HMEBOX2_EX; 473 break; 474 case 3: 475 box_reg = REG_HMEBOX3; 476 box_ex_reg = REG_HMEBOX3_EX; 477 break; 478 default: 479 WARN(1, "invalid h2c mail box number\n"); 480 return; 481 } 482 483 ret = read_poll_timeout_atomic(rtw_read8, box_state, 484 !((box_state >> box) & 0x1), 100, 3000, 485 false, rtwdev, REG_HMETFR); 486 487 if (ret) { 488 rtw_err(rtwdev, "failed to send h2c command\n"); 489 return; 490 } 491 492 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 493 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 494 495 if (++rtwdev->h2c.last_box_num >= 4) 496 rtwdev->h2c.last_box_num = 0; 497 } 498 499 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 500 { 501 rtw_fw_send_h2c_command(rtwdev, h2c); 502 } 503 504 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 505 { 506 int ret; 507 508 lockdep_assert_held(&rtwdev->mutex); 509 510 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 511 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 512 if (ret) 513 rtw_err(rtwdev, "failed to send h2c packet\n"); 514 rtwdev->h2c.seq++; 515 } 516 517 void 518 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 519 { 520 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 521 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 522 u16 total_size = H2C_PKT_HDR_SIZE + 4; 523 524 if (rtw_chip_wcpu_11n(rtwdev)) 525 return; 526 527 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 528 529 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 530 531 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 532 fifo->rsvd_fw_txbuf_addr - 533 fifo->rsvd_boundary); 534 535 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 536 } 537 538 void 539 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 540 { 541 struct rtw_hal *hal = &rtwdev->hal; 542 struct rtw_efuse *efuse = &rtwdev->efuse; 543 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 544 u16 total_size = H2C_PKT_HDR_SIZE + 8; 545 u8 fw_rf_type = 0; 546 547 if (rtw_chip_wcpu_11n(rtwdev)) 548 return; 549 550 if (hal->rf_type == RF_1T1R) 551 fw_rf_type = FW_RF_1T1R; 552 else if (hal->rf_type == RF_2T2R) 553 fw_rf_type = FW_RF_2T2R; 554 555 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 556 557 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 558 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 559 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 560 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 561 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 562 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 563 564 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 565 } 566 567 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 568 { 569 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 570 u16 total_size = H2C_PKT_HDR_SIZE + 1; 571 572 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 573 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 574 IQK_SET_CLEAR(h2c_pkt, para->clear); 575 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 576 577 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 578 } 579 EXPORT_SYMBOL(rtw_fw_do_iqk); 580 581 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 582 { 583 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 584 585 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 586 587 RFK_SET_INFORM_START(h2c_pkt, start); 588 589 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 590 } 591 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 592 593 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 594 { 595 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 596 597 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 598 599 SET_QUERY_BT_INFO(h2c_pkt, true); 600 601 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 602 } 603 604 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) 605 { 606 struct rtw_h2c_register h2c = {}; 607 608 if (rtwvif->net_type != RTW_NET_MGD_LINKED) 609 return; 610 611 /* Leave LPS before default port H2C so FW timer is correct */ 612 rtw_leave_lps(rtwdev); 613 614 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) | 615 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) | 616 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID); 617 618 rtw_fw_send_h2c_command_register(rtwdev, &h2c); 619 } 620 621 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 622 { 623 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 624 625 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 626 627 SET_WL_CH_INFO_LINK(h2c_pkt, link); 628 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 629 SET_WL_CH_INFO_BW(h2c_pkt, bw); 630 631 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 632 } 633 634 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 635 struct rtw_coex_info_req *req) 636 { 637 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 638 639 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 640 641 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 642 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 643 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 644 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 645 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 646 647 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 648 } 649 650 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 651 { 652 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 653 u8 index = 0 - bt_pwr_dec_lvl; 654 655 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 656 657 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 658 659 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 660 } 661 662 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 663 { 664 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 665 666 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 667 668 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 669 670 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 671 } 672 673 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 674 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 675 { 676 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 677 678 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 679 680 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 681 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 682 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 683 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 684 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 685 686 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 687 } 688 689 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 690 { 691 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 692 693 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 694 695 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 696 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 697 698 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 699 } 700 701 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 702 { 703 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 704 705 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 706 707 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 708 709 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 710 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 711 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 712 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 713 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 714 715 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 716 } 717 718 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 719 { 720 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 721 u8 rssi = ewma_rssi_read(&si->avg_rssi); 722 bool stbc_en = si->stbc_en ? true : false; 723 724 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 725 726 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 727 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 728 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 729 730 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 731 } 732 733 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 734 bool reset_ra_mask) 735 { 736 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 737 bool disable_pt = true; 738 739 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 740 741 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 742 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 743 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 744 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 745 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 746 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 747 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 748 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 749 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 750 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 751 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 752 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 753 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 754 755 si->init_ra_lv = 0; 756 757 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 758 } 759 760 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 761 { 762 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 763 764 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 765 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 766 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 767 768 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 769 } 770 771 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 772 { 773 struct rtw_traffic_stats *stats = &rtwdev->stats; 774 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 775 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 776 777 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 778 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 779 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 780 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 781 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 782 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 783 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 784 } 785 786 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 787 struct ieee80211_vif *vif) 788 { 789 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 790 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 791 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 792 struct rtw_sta_info *si = 793 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 794 s32 thold = RTW_DEFAULT_CQM_THOLD; 795 u32 hyst = RTW_DEFAULT_CQM_HYST; 796 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 797 798 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 799 return; 800 801 if (bss_conf->cqm_rssi_thold) 802 thold = bss_conf->cqm_rssi_thold; 803 if (bss_conf->cqm_rssi_hyst) 804 hyst = bss_conf->cqm_rssi_hyst; 805 806 if (!connect) { 807 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 808 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 809 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 810 811 return; 812 } 813 814 if (!si) 815 return; 816 817 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 818 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 819 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 820 821 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 822 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max); 823 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 824 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 825 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 826 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 827 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold); 828 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 829 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 830 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst); 831 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 832 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 833 } 834 835 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 836 { 837 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 838 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 839 840 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 841 842 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 843 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 844 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 845 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 846 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 847 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 848 849 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 850 } 851 852 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 853 { 854 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 855 struct rtw_fw_wow_keep_alive_para mode = { 856 .adopt = true, 857 .pkt_type = KEEP_ALIVE_NULL_PKT, 858 .period = 5, 859 }; 860 861 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 862 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 863 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 864 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 865 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 866 867 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 868 } 869 870 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 871 { 872 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 873 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 874 struct rtw_fw_wow_disconnect_para mode = { 875 .adopt = true, 876 .period = 30, 877 .retry_count = 5, 878 }; 879 880 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 881 882 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 883 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 884 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 885 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 886 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 887 } 888 889 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 890 } 891 892 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 893 { 894 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 895 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 896 897 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 898 899 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 900 if (rtw_wow_mgd_linked(rtwdev)) { 901 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 902 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 903 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 904 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 905 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 906 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 907 if (rtw_wow->pattern_cnt) 908 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 909 } 910 911 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 912 } 913 914 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 915 u8 pairwise_key_enc, 916 u8 group_key_enc) 917 { 918 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 919 920 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 921 922 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 923 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 924 925 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 926 } 927 928 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 929 { 930 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 931 932 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 933 934 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 935 936 if (rtw_wow_no_link(rtwdev)) 937 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 938 939 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 940 } 941 942 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 943 enum rtw_rsvd_packet_type type) 944 { 945 struct rtw_rsvd_page *rsvd_pkt; 946 u8 location = 0; 947 948 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 949 if (type == rsvd_pkt->type) 950 location = rsvd_pkt->page; 951 } 952 953 return location; 954 } 955 956 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 957 { 958 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 959 u8 loc_nlo; 960 961 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 962 963 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 964 965 SET_NLO_FUN_EN(h2c_pkt, enable); 966 if (enable) { 967 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 968 SET_NLO_PS_32K(h2c_pkt, enable); 969 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 970 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 971 } 972 973 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 974 } 975 976 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 977 { 978 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 979 980 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 981 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 982 983 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 984 } 985 986 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 987 { 988 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 989 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 990 u8 loc_pg, loc_dpk; 991 992 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 993 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 994 995 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 996 997 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 998 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 999 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 1000 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 1001 1002 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1003 } 1004 1005 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 1006 struct cfg80211_ssid *ssid) 1007 { 1008 struct rtw_rsvd_page *rsvd_pkt; 1009 u8 location = 0; 1010 1011 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1012 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1013 continue; 1014 if ((!ssid && !rsvd_pkt->ssid) || 1015 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1016 location = rsvd_pkt->page; 1017 } 1018 1019 return location; 1020 } 1021 1022 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 1023 struct cfg80211_ssid *ssid) 1024 { 1025 struct rtw_rsvd_page *rsvd_pkt; 1026 u16 size = 0; 1027 1028 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1029 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1030 continue; 1031 if ((!ssid && !rsvd_pkt->ssid) || 1032 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1033 size = rsvd_pkt->probe_req_size; 1034 } 1035 1036 return size; 1037 } 1038 1039 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 1040 { 1041 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1042 u8 location = 0; 1043 1044 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 1045 1046 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 1047 *(h2c_pkt + 1) = location; 1048 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 1049 1050 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 1051 *(h2c_pkt + 2) = location; 1052 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 1053 1054 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 1055 *(h2c_pkt + 3) = location; 1056 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 1057 1058 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 1059 *(h2c_pkt + 4) = location; 1060 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 1061 1062 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1063 } 1064 1065 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 1066 { 1067 struct rtw_dev *rtwdev = hw->priv; 1068 const struct rtw_chip_info *chip = rtwdev->chip; 1069 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1070 struct rtw_nlo_info_hdr *nlo_hdr; 1071 struct cfg80211_ssid *ssid; 1072 struct sk_buff *skb; 1073 u8 *pos, loc; 1074 u32 size; 1075 int i; 1076 1077 if (!pno_req->inited || !pno_req->match_set_cnt) 1078 return NULL; 1079 1080 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 1081 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 1082 1083 skb = alloc_skb(size, GFP_KERNEL); 1084 if (!skb) 1085 return NULL; 1086 1087 skb_reserve(skb, chip->tx_pkt_desc_sz); 1088 1089 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 1090 1091 nlo_hdr->nlo_count = pno_req->match_set_cnt; 1092 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 1093 1094 /* pattern check for firmware */ 1095 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 1096 1097 for (i = 0; i < pno_req->match_set_cnt; i++) 1098 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 1099 1100 for (i = 0; i < pno_req->match_set_cnt; i++) { 1101 ssid = &pno_req->match_sets[i].ssid; 1102 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1103 if (!loc) { 1104 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 1105 kfree_skb(skb); 1106 return NULL; 1107 } 1108 nlo_hdr->location[i] = loc; 1109 } 1110 1111 for (i = 0; i < pno_req->match_set_cnt; i++) { 1112 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 1113 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 1114 pno_req->match_sets[i].ssid.ssid_len); 1115 } 1116 1117 return skb; 1118 } 1119 1120 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 1121 { 1122 struct rtw_dev *rtwdev = hw->priv; 1123 const struct rtw_chip_info *chip = rtwdev->chip; 1124 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1125 struct ieee80211_channel *channels = pno_req->channels; 1126 struct sk_buff *skb; 1127 int count = pno_req->channel_cnt; 1128 u8 *pos; 1129 int i = 0; 1130 1131 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 1132 if (!skb) 1133 return NULL; 1134 1135 skb_reserve(skb, chip->tx_pkt_desc_sz); 1136 1137 for (i = 0; i < count; i++) { 1138 pos = skb_put_zero(skb, 4); 1139 1140 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 1141 1142 if (channels[i].flags & IEEE80211_CHAN_RADAR) 1143 CHSW_INFO_SET_ACTION_ID(pos, 0); 1144 else 1145 CHSW_INFO_SET_ACTION_ID(pos, 1); 1146 CHSW_INFO_SET_TIMEOUT(pos, 1); 1147 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 1148 CHSW_INFO_SET_BW(pos, 0); 1149 } 1150 1151 return skb; 1152 } 1153 1154 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 1155 { 1156 struct rtw_dev *rtwdev = hw->priv; 1157 const struct rtw_chip_info *chip = rtwdev->chip; 1158 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1159 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1160 struct sk_buff *skb; 1161 u32 size; 1162 1163 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1164 skb = alloc_skb(size, GFP_KERNEL); 1165 if (!skb) 1166 return NULL; 1167 1168 skb_reserve(skb, chip->tx_pkt_desc_sz); 1169 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1170 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1171 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1172 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1173 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1174 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1175 1176 return skb; 1177 } 1178 1179 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1180 { 1181 struct rtw_dev *rtwdev = hw->priv; 1182 const struct rtw_chip_info *chip = rtwdev->chip; 1183 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1184 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1185 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1186 struct sk_buff *skb; 1187 u32 size; 1188 1189 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1190 skb = alloc_skb(size, GFP_KERNEL); 1191 if (!skb) 1192 return NULL; 1193 1194 skb_reserve(skb, chip->tx_pkt_desc_sz); 1195 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1196 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1197 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1198 pg_info_hdr->sec_cam_count = 1199 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1200 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1201 1202 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1203 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1204 1205 return skb; 1206 } 1207 1208 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1209 struct rtw_rsvd_page *rsvd_pkt) 1210 { 1211 struct ieee80211_vif *vif; 1212 struct rtw_vif *rtwvif; 1213 struct sk_buff *skb_new; 1214 struct cfg80211_ssid *ssid; 1215 u16 tim_offset = 0; 1216 1217 if (rsvd_pkt->type == RSVD_DUMMY) { 1218 skb_new = alloc_skb(1, GFP_KERNEL); 1219 if (!skb_new) 1220 return NULL; 1221 1222 skb_put(skb_new, 1); 1223 return skb_new; 1224 } 1225 1226 rtwvif = rsvd_pkt->rtwvif; 1227 if (!rtwvif) 1228 return NULL; 1229 1230 vif = rtwvif_to_vif(rtwvif); 1231 1232 switch (rsvd_pkt->type) { 1233 case RSVD_BEACON: 1234 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1235 rsvd_pkt->tim_offset = tim_offset; 1236 break; 1237 case RSVD_PS_POLL: 1238 skb_new = ieee80211_pspoll_get(hw, vif); 1239 break; 1240 case RSVD_PROBE_RESP: 1241 skb_new = ieee80211_proberesp_get(hw, vif); 1242 break; 1243 case RSVD_NULL: 1244 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1245 break; 1246 case RSVD_QOS_NULL: 1247 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1248 break; 1249 case RSVD_LPS_PG_DPK: 1250 skb_new = rtw_lps_pg_dpk_get(hw); 1251 break; 1252 case RSVD_LPS_PG_INFO: 1253 skb_new = rtw_lps_pg_info_get(hw); 1254 break; 1255 case RSVD_PROBE_REQ: 1256 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1257 if (ssid) 1258 skb_new = ieee80211_probereq_get(hw, vif->addr, 1259 ssid->ssid, 1260 ssid->ssid_len, 0); 1261 else 1262 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1263 if (skb_new) 1264 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1265 break; 1266 case RSVD_NLO_INFO: 1267 skb_new = rtw_nlo_info_get(hw); 1268 break; 1269 case RSVD_CH_INFO: 1270 skb_new = rtw_cs_channel_info_get(hw); 1271 break; 1272 default: 1273 return NULL; 1274 } 1275 1276 if (!skb_new) 1277 return NULL; 1278 1279 return skb_new; 1280 } 1281 1282 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1283 enum rtw_rsvd_packet_type type) 1284 { 1285 struct rtw_tx_pkt_info pkt_info = {0}; 1286 const struct rtw_chip_info *chip = rtwdev->chip; 1287 u8 *pkt_desc; 1288 1289 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1290 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1291 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1292 rtw_tx_fill_tx_desc(rtwdev, &pkt_info, skb); 1293 } 1294 1295 static inline u8 rtw_len_to_page(unsigned int len, u16 page_size) 1296 { 1297 return DIV_ROUND_UP(len, page_size); 1298 } 1299 1300 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u16 page_size, 1301 u16 page_margin, u32 page, u8 *buf, 1302 struct rtw_rsvd_page *rsvd_pkt) 1303 { 1304 struct sk_buff *skb = rsvd_pkt->skb; 1305 1306 if (page >= 1) 1307 memcpy(buf + page_margin + page_size * (page - 1), 1308 skb->data, skb->len); 1309 else 1310 memcpy(buf, skb->data, skb->len); 1311 } 1312 1313 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1314 enum rtw_rsvd_packet_type type, 1315 bool txdesc) 1316 { 1317 struct rtw_rsvd_page *rsvd_pkt = NULL; 1318 1319 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1320 1321 if (!rsvd_pkt) 1322 return NULL; 1323 1324 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1325 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1326 rsvd_pkt->type = type; 1327 rsvd_pkt->add_txdesc = txdesc; 1328 1329 return rsvd_pkt; 1330 } 1331 1332 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1333 struct rtw_vif *rtwvif, 1334 struct rtw_rsvd_page *rsvd_pkt) 1335 { 1336 lockdep_assert_held(&rtwdev->mutex); 1337 1338 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1339 } 1340 1341 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1342 struct rtw_vif *rtwvif, 1343 enum rtw_rsvd_packet_type type, 1344 bool txdesc) 1345 { 1346 struct rtw_rsvd_page *rsvd_pkt; 1347 1348 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1349 if (!rsvd_pkt) { 1350 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1351 return; 1352 } 1353 1354 rsvd_pkt->rtwvif = rtwvif; 1355 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1356 } 1357 1358 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1359 struct rtw_vif *rtwvif, 1360 struct cfg80211_ssid *ssid) 1361 { 1362 struct rtw_rsvd_page *rsvd_pkt; 1363 1364 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1365 if (!rsvd_pkt) { 1366 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1367 return; 1368 } 1369 1370 rsvd_pkt->rtwvif = rtwvif; 1371 rsvd_pkt->ssid = ssid; 1372 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1373 } 1374 1375 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1376 struct rtw_vif *rtwvif) 1377 { 1378 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1379 1380 lockdep_assert_held(&rtwdev->mutex); 1381 1382 /* remove all of the rsvd pages for vif */ 1383 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1384 vif_list) { 1385 list_del(&rsvd_pkt->vif_list); 1386 if (!list_empty(&rsvd_pkt->build_list)) 1387 list_del(&rsvd_pkt->build_list); 1388 kfree(rsvd_pkt); 1389 } 1390 } 1391 1392 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1393 struct rtw_vif *rtwvif) 1394 { 1395 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1396 1397 if (vif->type != NL80211_IFTYPE_AP && 1398 vif->type != NL80211_IFTYPE_ADHOC && 1399 vif->type != NL80211_IFTYPE_MESH_POINT) { 1400 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1401 vif->type); 1402 return; 1403 } 1404 1405 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1406 } 1407 1408 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1409 struct rtw_vif *rtwvif) 1410 { 1411 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1412 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1413 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1414 struct cfg80211_ssid *ssid; 1415 int i; 1416 1417 if (vif->type != NL80211_IFTYPE_STATION) { 1418 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1419 vif->type); 1420 return; 1421 } 1422 1423 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1424 ssid = &rtw_pno_req->match_sets[i].ssid; 1425 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1426 } 1427 1428 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1429 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1430 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1431 } 1432 1433 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1434 struct rtw_vif *rtwvif) 1435 { 1436 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1437 1438 if (vif->type != NL80211_IFTYPE_STATION) { 1439 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1440 vif->type); 1441 return; 1442 } 1443 1444 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1445 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1446 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1447 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1448 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1449 } 1450 1451 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1452 u8 *buf, u32 size) 1453 { 1454 u8 bckp[2]; 1455 u8 val; 1456 u16 rsvd_pg_head; 1457 u32 bcn_valid_addr; 1458 u32 bcn_valid_mask; 1459 int ret; 1460 1461 lockdep_assert_held(&rtwdev->mutex); 1462 1463 if (!size) 1464 return -EINVAL; 1465 1466 if (rtw_chip_wcpu_11n(rtwdev)) { 1467 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1468 } else { 1469 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1470 pg_addr |= BIT_BCN_VALID_V1; 1471 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1472 } 1473 1474 val = rtw_read8(rtwdev, REG_CR + 1); 1475 bckp[0] = val; 1476 val |= BIT_ENSWBCN >> 8; 1477 rtw_write8(rtwdev, REG_CR + 1, val); 1478 1479 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) { 1480 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1481 bckp[1] = val; 1482 val &= ~(BIT_EN_BCNQ_DL >> 16); 1483 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1484 } 1485 1486 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1487 if (ret) { 1488 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1489 goto restore; 1490 } 1491 1492 if (rtw_chip_wcpu_11n(rtwdev)) { 1493 bcn_valid_addr = REG_DWBCN0_CTRL; 1494 bcn_valid_mask = BIT_BCN_VALID; 1495 } else { 1496 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1497 bcn_valid_mask = BIT_BCN_VALID_V1; 1498 } 1499 1500 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1501 rtw_err(rtwdev, "error beacon valid\n"); 1502 ret = -EBUSY; 1503 } 1504 1505 restore: 1506 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1507 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1508 rsvd_pg_head | BIT_BCN_VALID_V1); 1509 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) 1510 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1511 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1512 1513 return ret; 1514 } 1515 1516 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1517 { 1518 u32 pg_size; 1519 u32 pg_num = 0; 1520 u16 pg_addr = 0; 1521 1522 pg_size = rtwdev->chip->page_size; 1523 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1524 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1525 return -ENOMEM; 1526 1527 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1528 1529 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1530 } 1531 1532 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1533 { 1534 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1535 1536 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1537 build_list) { 1538 list_del_init(&rsvd_pkt->build_list); 1539 1540 /* Don't free except for the dummy rsvd page, 1541 * others will be freed when removing vif 1542 */ 1543 if (rsvd_pkt->type == RSVD_DUMMY) 1544 kfree(rsvd_pkt); 1545 } 1546 } 1547 1548 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1549 struct ieee80211_vif *vif) 1550 { 1551 struct rtw_dev *rtwdev = data; 1552 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1553 struct rtw_rsvd_page *rsvd_pkt; 1554 1555 /* AP not yet started, don't gather its rsvd pages */ 1556 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active) 1557 return; 1558 1559 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1560 if (rsvd_pkt->type == RSVD_BEACON) 1561 list_add(&rsvd_pkt->build_list, 1562 &rtwdev->rsvd_page_list); 1563 else 1564 list_add_tail(&rsvd_pkt->build_list, 1565 &rtwdev->rsvd_page_list); 1566 } 1567 } 1568 1569 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1570 { 1571 struct rtw_rsvd_page *rsvd_pkt; 1572 1573 __rtw_build_rsvd_page_reset(rtwdev); 1574 1575 /* gather rsvd page from vifs */ 1576 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1577 1578 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1579 struct rtw_rsvd_page, build_list); 1580 if (!rsvd_pkt) { 1581 WARN(1, "Should not have an empty reserved page\n"); 1582 return -EINVAL; 1583 } 1584 1585 /* the first rsvd should be beacon, otherwise add a dummy one */ 1586 if (rsvd_pkt->type != RSVD_BEACON) { 1587 struct rtw_rsvd_page *dummy_pkt; 1588 1589 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1590 if (!dummy_pkt) { 1591 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1592 return -ENOMEM; 1593 } 1594 1595 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1596 } 1597 1598 return 0; 1599 } 1600 1601 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1602 { 1603 const struct rtw_chip_info *chip = rtwdev->chip; 1604 struct ieee80211_hw *hw = rtwdev->hw; 1605 struct rtw_rsvd_page *rsvd_pkt; 1606 struct sk_buff *iter; 1607 u16 page_size, page_margin, tx_desc_sz; 1608 u8 total_page = 0; 1609 u32 page = 0; 1610 u8 *buf; 1611 int ret; 1612 1613 page_size = chip->page_size; 1614 tx_desc_sz = chip->tx_pkt_desc_sz; 1615 page_margin = page_size - tx_desc_sz; 1616 1617 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1618 if (ret) { 1619 rtw_err(rtwdev, 1620 "failed to build rsvd page from vifs, ret %d\n", ret); 1621 return NULL; 1622 } 1623 1624 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1625 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1626 if (!iter) { 1627 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1628 goto release_skb; 1629 } 1630 1631 /* Fill the tx_desc for the rsvd pkt that requires one. 1632 * And iter->len will be added with size of tx_desc_sz. 1633 */ 1634 if (rsvd_pkt->add_txdesc) 1635 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1636 1637 rsvd_pkt->skb = iter; 1638 rsvd_pkt->page = total_page; 1639 1640 /* Reserved page is downloaded via TX path, and TX path will 1641 * generate a tx_desc at the header to describe length of 1642 * the buffer. If we are not counting page numbers with the 1643 * size of tx_desc added at the first rsvd_pkt (usually a 1644 * beacon, firmware default refer to the first page as the 1645 * content of beacon), we could generate a buffer which size 1646 * is smaller than the actual size of the whole rsvd_page 1647 */ 1648 if (total_page == 0) { 1649 if (rsvd_pkt->type != RSVD_BEACON && 1650 rsvd_pkt->type != RSVD_DUMMY) { 1651 rtw_err(rtwdev, "first page should be a beacon\n"); 1652 goto release_skb; 1653 } 1654 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1655 page_size); 1656 } else { 1657 total_page += rtw_len_to_page(iter->len, page_size); 1658 } 1659 } 1660 1661 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1662 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1663 goto release_skb; 1664 } 1665 1666 *size = (total_page - 1) * page_size + page_margin; 1667 buf = kzalloc(*size, GFP_KERNEL); 1668 if (!buf) 1669 goto release_skb; 1670 1671 /* Copy the content of each rsvd_pkt to the buf, and they should 1672 * be aligned to the pages. 1673 * 1674 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1675 * And that rsvd_pkt does not require tx_desc because when it goes 1676 * through TX path, the TX path will generate one for it. 1677 */ 1678 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1679 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1680 page, buf, rsvd_pkt); 1681 if (page == 0) 1682 page += rtw_len_to_page(rsvd_pkt->skb->len + 1683 tx_desc_sz, page_size); 1684 else 1685 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1686 1687 kfree_skb(rsvd_pkt->skb); 1688 rsvd_pkt->skb = NULL; 1689 } 1690 1691 return buf; 1692 1693 release_skb: 1694 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1695 kfree_skb(rsvd_pkt->skb); 1696 rsvd_pkt->skb = NULL; 1697 } 1698 1699 return NULL; 1700 } 1701 1702 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1703 { 1704 struct ieee80211_hw *hw = rtwdev->hw; 1705 struct rtw_rsvd_page *rsvd_pkt; 1706 struct sk_buff *skb; 1707 int ret = 0; 1708 1709 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1710 struct rtw_rsvd_page, build_list); 1711 if (!rsvd_pkt) { 1712 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1713 return -ENOENT; 1714 } 1715 1716 if (rsvd_pkt->type != RSVD_BEACON && 1717 rsvd_pkt->type != RSVD_DUMMY) { 1718 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1719 rsvd_pkt->type); 1720 return -EINVAL; 1721 } 1722 1723 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1724 if (!skb) { 1725 rtw_err(rtwdev, "failed to get beacon skb\n"); 1726 return -ENOMEM; 1727 } 1728 1729 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1730 if (ret) 1731 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1732 1733 dev_kfree_skb(skb); 1734 1735 return ret; 1736 } 1737 1738 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1739 { 1740 u8 *buf; 1741 u32 size; 1742 int ret; 1743 1744 buf = rtw_build_rsvd_page(rtwdev, &size); 1745 if (!buf) { 1746 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1747 return -ENOMEM; 1748 } 1749 1750 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1751 if (ret) { 1752 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1753 goto free; 1754 } 1755 1756 /* The last thing is to download the *ONLY* beacon again, because 1757 * the previous tx_desc is to describe the total rsvd page. Download 1758 * the beacon again to replace the TX desc header, and we will get 1759 * a correct tx_desc for the beacon in the rsvd page. 1760 */ 1761 ret = rtw_download_beacon(rtwdev); 1762 if (ret) { 1763 rtw_err(rtwdev, "failed to download beacon\n"); 1764 goto free; 1765 } 1766 1767 free: 1768 kfree(buf); 1769 1770 return ret; 1771 } 1772 1773 void rtw_fw_update_beacon_work(struct work_struct *work) 1774 { 1775 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1776 update_beacon_work); 1777 1778 mutex_lock(&rtwdev->mutex); 1779 rtw_fw_download_rsvd_page(rtwdev); 1780 rtw_send_rsvd_page_h2c(rtwdev); 1781 mutex_unlock(&rtwdev->mutex); 1782 } 1783 1784 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1785 u32 *buf, u32 residue, u16 start_pg) 1786 { 1787 u32 i; 1788 u16 idx = 0; 1789 u16 ctl; 1790 1791 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1792 /* disable rx clock gate */ 1793 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1794 1795 do { 1796 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1797 1798 for (i = FIFO_DUMP_ADDR + residue; 1799 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1800 buf[idx++] = rtw_read32(rtwdev, i); 1801 size -= 4; 1802 if (size == 0) 1803 goto out; 1804 } 1805 1806 residue = 0; 1807 start_pg++; 1808 } while (size); 1809 1810 out: 1811 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1812 /* restore rx clock gate */ 1813 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1814 } 1815 1816 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1817 u32 offset, u32 size, u32 *buf) 1818 { 1819 const struct rtw_chip_info *chip = rtwdev->chip; 1820 u32 start_pg, residue; 1821 1822 if (sel >= RTW_FW_FIFO_MAX) { 1823 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1824 return; 1825 } 1826 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1827 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1828 residue = offset & (FIFO_PAGE_SIZE - 1); 1829 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1830 1831 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1832 } 1833 1834 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1835 enum rtw_fw_fifo_sel sel, 1836 u32 start_addr, u32 size) 1837 { 1838 switch (sel) { 1839 case RTW_FW_FIFO_SEL_TX: 1840 case RTW_FW_FIFO_SEL_RX: 1841 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1842 return false; 1843 fallthrough; 1844 default: 1845 return true; 1846 } 1847 } 1848 1849 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1850 u32 *buffer) 1851 { 1852 if (!rtwdev->chip->fw_fifo_addr[0]) { 1853 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1854 return -ENOTSUPP; 1855 } 1856 1857 if (size == 0 || !buffer) 1858 return -EINVAL; 1859 1860 if (size & 0x3) { 1861 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1862 return -EINVAL; 1863 } 1864 1865 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1866 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1867 return -EINVAL; 1868 } 1869 1870 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1871 1872 return 0; 1873 } 1874 1875 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1876 u8 location) 1877 { 1878 const struct rtw_chip_info *chip = rtwdev->chip; 1879 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1880 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1881 1882 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1883 1884 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1885 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1886 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1887 1888 /* include txdesc size */ 1889 size += chip->tx_pkt_desc_sz; 1890 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1891 1892 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1893 } 1894 1895 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1896 struct cfg80211_ssid *ssid) 1897 { 1898 u8 loc; 1899 u16 size; 1900 1901 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1902 if (!loc) { 1903 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1904 return; 1905 } 1906 1907 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1908 if (!size) { 1909 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1910 return; 1911 } 1912 1913 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1914 } 1915 1916 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1917 { 1918 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1919 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1920 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1921 u8 loc_ch_info; 1922 const struct rtw_ch_switch_option cs_option = { 1923 .dest_ch_en = 1, 1924 .dest_ch = 1, 1925 .periodic_option = 2, 1926 .normal_period = 5, 1927 .normal_period_sel = 0, 1928 .normal_cycle = 10, 1929 .slow_period = 1, 1930 .slow_period_sel = 1, 1931 }; 1932 1933 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1934 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1935 1936 CH_SWITCH_SET_START(h2c_pkt, enable); 1937 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1938 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1939 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1940 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1941 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1942 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1943 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1944 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1945 1946 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1947 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1948 1949 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1950 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1951 1952 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1953 } 1954 1955 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1956 { 1957 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1958 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1959 1960 if (!rtw_edcca_enabled) { 1961 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1962 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1963 "EDCCA disabled by debugfs\n"); 1964 } 1965 1966 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1967 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1968 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1969 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1970 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1971 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1972 1973 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1974 } 1975 1976 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1977 { 1978 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1979 1980 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1981 SET_SCAN_START(h2c_pkt, start); 1982 1983 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1984 } 1985 1986 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1987 struct sk_buff_head *list, u8 *bands, 1988 struct rtw_vif *rtwvif) 1989 { 1990 const struct rtw_chip_info *chip = rtwdev->chip; 1991 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1992 struct sk_buff *new; 1993 u8 idx; 1994 1995 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1996 if (!(BIT(idx) & chip->band)) 1997 continue; 1998 new = skb_copy(skb, GFP_KERNEL); 1999 if (!new) 2000 return -ENOMEM; 2001 skb_put_data(new, ies->ies[idx], ies->len[idx]); 2002 skb_put_data(new, ies->common_ies, ies->common_ie_len); 2003 skb_queue_tail(list, new); 2004 (*bands)++; 2005 } 2006 2007 return 0; 2008 } 2009 2010 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 2011 struct sk_buff_head *probe_req_list) 2012 { 2013 const struct rtw_chip_info *chip = rtwdev->chip; 2014 struct sk_buff *skb, *tmp; 2015 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 2016 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 2017 u16 page_size = chip->page_size; 2018 u8 page_offset = 1, *buf; 2019 u16 buf_offset = page_size * page_offset; 2020 unsigned int pkt_len; 2021 u8 page_cnt, pages; 2022 int ret; 2023 2024 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 2025 page_cnt = RTW_OLD_PROBE_PG_CNT; 2026 else 2027 page_cnt = RTW_PROBE_PG_CNT; 2028 2029 pages = page_offset + num_probes * page_cnt; 2030 2031 buf = kzalloc(page_size * pages, GFP_KERNEL); 2032 if (!buf) 2033 return -ENOMEM; 2034 2035 buf_offset -= tx_desc_sz; 2036 skb_queue_walk_safe(probe_req_list, skb, tmp) { 2037 skb_unlink(skb, probe_req_list); 2038 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 2039 if (skb->len > page_size * page_cnt) { 2040 ret = -EINVAL; 2041 goto out; 2042 } 2043 2044 memcpy(buf + buf_offset, skb->data, skb->len); 2045 pkt_len = skb->len - tx_desc_sz; 2046 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 2047 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 2048 2049 buf_offset += page_cnt * page_size; 2050 page_offset += page_cnt; 2051 kfree_skb(skb); 2052 } 2053 2054 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 2055 if (ret) { 2056 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 2057 goto out; 2058 } 2059 2060 rtwdev->scan_info.probe_pg_size = page_offset; 2061 out: 2062 kfree(buf); 2063 skb_queue_walk_safe(probe_req_list, skb, tmp) 2064 kfree_skb(skb); 2065 2066 return ret; 2067 } 2068 2069 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 2070 struct rtw_vif *rtwvif) 2071 { 2072 struct cfg80211_scan_request *req = rtwvif->scan_req; 2073 struct sk_buff_head list; 2074 struct sk_buff *skb, *tmp; 2075 u8 num = req->n_ssids, i, bands = 0; 2076 int ret; 2077 2078 skb_queue_head_init(&list); 2079 for (i = 0; i < num; i++) { 2080 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 2081 req->ssids[i].ssid, 2082 req->ssids[i].ssid_len, 2083 req->ie_len); 2084 if (!skb) { 2085 ret = -ENOMEM; 2086 goto out; 2087 } 2088 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 2089 rtwvif); 2090 if (ret) 2091 goto out; 2092 2093 kfree_skb(skb); 2094 } 2095 2096 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 2097 2098 out: 2099 skb_queue_walk_safe(&list, skb, tmp) 2100 kfree_skb(skb); 2101 2102 return ret; 2103 } 2104 2105 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 2106 struct rtw_chan_list *list, u8 *buf) 2107 { 2108 u8 *chan = &buf[list->size]; 2109 u8 info_size = RTW_CH_INFO_SIZE; 2110 2111 if (list->size > list->buf_size) 2112 return -ENOMEM; 2113 2114 CH_INFO_SET_CH(chan, info->channel); 2115 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 2116 CH_INFO_SET_BW(chan, info->bw); 2117 CH_INFO_SET_TIMEOUT(chan, info->timeout); 2118 CH_INFO_SET_ACTION_ID(chan, info->action_id); 2119 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 2120 if (info->extra_info) { 2121 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 2122 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 2123 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 2124 RTW_EX_CH_INFO_HDR_SIZE); 2125 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 2126 info_size += RTW_EX_CH_INFO_SIZE; 2127 } 2128 list->size += info_size; 2129 list->ch_num++; 2130 2131 return 0; 2132 } 2133 2134 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2135 struct rtw_chan_list *list, u8 *buf) 2136 { 2137 struct cfg80211_scan_request *req = rtwvif->scan_req; 2138 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2139 struct ieee80211_channel *channel; 2140 int i, ret = 0; 2141 2142 for (i = 0; i < req->n_channels; i++) { 2143 struct rtw_chan_info ch_info = {0}; 2144 2145 channel = req->channels[i]; 2146 ch_info.channel = channel->hw_value; 2147 ch_info.bw = RTW_SCAN_WIDTH; 2148 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 2149 ch_info.timeout = req->duration_mandatory ? 2150 req->duration : RTW_CHANNEL_TIME; 2151 2152 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 2153 ch_info.action_id = RTW_CHANNEL_RADAR; 2154 ch_info.extra_info = 1; 2155 /* Overwrite duration for passive scans if necessary */ 2156 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 2157 ch_info.timeout : RTW_PASS_CHAN_TIME; 2158 } else { 2159 ch_info.action_id = RTW_CHANNEL_ACTIVE; 2160 } 2161 2162 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 2163 if (ret) 2164 return ret; 2165 } 2166 2167 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2168 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2169 return -EINVAL; 2170 } 2171 2172 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2173 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2174 if (ret) 2175 rtw_err(rtwdev, "Download channel list failed\n"); 2176 2177 return ret; 2178 } 2179 2180 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2181 struct rtw_ch_switch_option *opt, 2182 struct rtw_vif *rtwvif, 2183 struct rtw_chan_list *list) 2184 { 2185 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2186 struct cfg80211_scan_request *req = rtwvif->scan_req; 2187 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2188 /* reserve one dummy page at the beginning for tx descriptor */ 2189 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2190 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2191 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2192 2193 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2194 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2195 2196 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2197 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2198 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2199 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2200 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2201 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2202 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2203 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2204 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2205 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2206 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2207 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2208 req->duration : RTW_CHANNEL_TIME); 2209 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2210 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2211 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2212 2213 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2214 } 2215 2216 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2217 struct ieee80211_scan_request *scan_req) 2218 { 2219 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2220 struct cfg80211_scan_request *req = &scan_req->req; 2221 u8 mac_addr[ETH_ALEN]; 2222 2223 rtwdev->scan_info.scanning_vif = vif; 2224 rtwvif->scan_ies = &scan_req->ies; 2225 rtwvif->scan_req = req; 2226 2227 ieee80211_stop_queues(rtwdev->hw); 2228 rtw_leave_lps_deep(rtwdev); 2229 rtw_hci_flush_all_queues(rtwdev, false); 2230 rtw_mac_flush_all_queues(rtwdev, false); 2231 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2232 get_random_mask_addr(mac_addr, req->mac_addr, 2233 req->mac_addr_mask); 2234 else 2235 ether_addr_copy(mac_addr, vif->addr); 2236 2237 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2238 2239 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2240 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2241 } 2242 2243 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2244 bool aborted) 2245 { 2246 struct cfg80211_scan_info info = { 2247 .aborted = aborted, 2248 }; 2249 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2250 struct rtw_hal *hal = &rtwdev->hal; 2251 struct rtw_vif *rtwvif; 2252 u8 chan = scan_info->op_chan; 2253 2254 if (!vif) 2255 return; 2256 2257 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2258 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2259 2260 rtw_core_scan_complete(rtwdev, vif, true); 2261 2262 rtwvif = (struct rtw_vif *)vif->drv_priv; 2263 if (chan) 2264 rtw_store_op_chan(rtwdev, false); 2265 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2266 ieee80211_wake_queues(rtwdev->hw); 2267 ieee80211_scan_completed(rtwdev->hw, &info); 2268 2269 rtwvif->scan_req = NULL; 2270 rtwvif->scan_ies = NULL; 2271 rtwdev->scan_info.scanning_vif = NULL; 2272 } 2273 2274 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2275 struct rtw_chan_list *list) 2276 { 2277 struct cfg80211_scan_request *req = rtwvif->scan_req; 2278 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2279 u8 *buf; 2280 int ret; 2281 2282 buf = kmalloc(size, GFP_KERNEL); 2283 if (!buf) 2284 return -ENOMEM; 2285 2286 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2287 if (ret) { 2288 rtw_err(rtwdev, "Update probe request failed\n"); 2289 goto out; 2290 } 2291 2292 list->buf_size = size; 2293 list->size = 0; 2294 list->ch_num = 0; 2295 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2296 out: 2297 kfree(buf); 2298 2299 return ret; 2300 } 2301 2302 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2303 bool enable) 2304 { 2305 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2306 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2307 struct rtw_ch_switch_option cs_option = {0}; 2308 struct rtw_chan_list chan_list = {0}; 2309 int ret = 0; 2310 2311 if (!rtwvif) 2312 return -EINVAL; 2313 2314 cs_option.switch_en = enable; 2315 cs_option.back_op_en = scan_info->op_chan != 0; 2316 if (enable) { 2317 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2318 if (ret) 2319 goto out; 2320 } 2321 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2322 out: 2323 if (rtwdev->ap_active) { 2324 ret = rtw_download_beacon(rtwdev); 2325 if (ret) 2326 rtw_err(rtwdev, "HW scan download beacon failed\n"); 2327 } 2328 2329 return ret; 2330 } 2331 2332 void rtw_hw_scan_abort(struct rtw_dev *rtwdev) 2333 { 2334 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2335 2336 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2337 return; 2338 2339 rtw_hw_scan_offload(rtwdev, vif, false); 2340 rtw_hw_scan_complete(rtwdev, vif, true); 2341 } 2342 2343 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2344 { 2345 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2346 struct rtw_c2h_cmd *c2h; 2347 bool aborted; 2348 u8 rc; 2349 2350 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2351 return; 2352 2353 c2h = get_c2h_from_skb(skb); 2354 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2355 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2356 rtw_hw_scan_complete(rtwdev, vif, aborted); 2357 2358 if (aborted) 2359 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2360 } 2361 2362 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2363 { 2364 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2365 struct rtw_hal *hal = &rtwdev->hal; 2366 u8 band; 2367 2368 if (backup) { 2369 scan_info->op_chan = hal->current_channel; 2370 scan_info->op_bw = hal->current_band_width; 2371 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2372 scan_info->op_pri_ch = hal->primary_channel; 2373 } else { 2374 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2375 rtw_update_channel(rtwdev, scan_info->op_chan, 2376 scan_info->op_pri_ch, 2377 band, scan_info->op_bw); 2378 } 2379 } 2380 2381 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2382 { 2383 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2384 2385 scan_info->op_chan = 0; 2386 scan_info->op_bw = 0; 2387 scan_info->op_pri_ch_idx = 0; 2388 scan_info->op_pri_ch = 0; 2389 } 2390 2391 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2392 { 2393 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2394 2395 return channel == scan_info->op_chan; 2396 } 2397 2398 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2399 { 2400 struct rtw_hal *hal = &rtwdev->hal; 2401 struct rtw_c2h_cmd *c2h; 2402 enum rtw_scan_notify_id id; 2403 u8 chan, band, status; 2404 2405 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2406 return; 2407 2408 c2h = get_c2h_from_skb(skb); 2409 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2410 id = GET_CHAN_SWITCH_ID(c2h->payload); 2411 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2412 2413 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2414 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2415 rtw_update_channel(rtwdev, chan, chan, band, 2416 RTW_CHANNEL_WIDTH_20); 2417 if (rtw_is_op_chan(rtwdev, chan)) { 2418 rtw_store_op_chan(rtwdev, false); 2419 ieee80211_wake_queues(rtwdev->hw); 2420 rtw_core_enable_beacon(rtwdev, true); 2421 } 2422 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2423 if (IS_CH_5G_BAND(chan)) { 2424 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2425 } else if (IS_CH_2G_BAND(chan)) { 2426 u8 chan_type; 2427 2428 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2429 chan_type = COEX_SWITCH_TO_24G; 2430 else 2431 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2432 rtw_coex_switchband_notify(rtwdev, chan_type); 2433 } 2434 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2435 * channel that hardware will switch. We need to stop queue 2436 * if next channel is non-op channel. 2437 */ 2438 if (!rtw_is_op_chan(rtwdev, chan) && 2439 rtw_is_op_chan(rtwdev, hal->current_channel)) { 2440 rtw_core_enable_beacon(rtwdev, false); 2441 ieee80211_stop_queues(rtwdev->hw); 2442 } 2443 } 2444 2445 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2446 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2447 } 2448