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 default: 336 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 337 break; 338 } 339 340 unlock: 341 mutex_unlock(&rtwdev->mutex); 342 } 343 344 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 345 struct sk_buff *skb) 346 { 347 struct rtw_c2h_cmd *c2h; 348 u8 len; 349 350 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 351 len = skb->len - pkt_offset - 2; 352 *((u32 *)skb->cb) = pkt_offset; 353 354 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 355 c2h->id, c2h->seq, len); 356 357 switch (c2h->id) { 358 case C2H_BT_MP_INFO: 359 rtw_coex_info_response(rtwdev, skb); 360 break; 361 case C2H_WLAN_RFON: 362 complete(&rtwdev->lps_leave_check); 363 dev_kfree_skb_any(skb); 364 break; 365 case C2H_SCAN_RESULT: 366 complete(&rtwdev->fw_scan_density); 367 rtw_fw_scan_result(rtwdev, c2h->payload, len); 368 dev_kfree_skb_any(skb); 369 break; 370 case C2H_ADAPTIVITY: 371 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 372 dev_kfree_skb_any(skb); 373 break; 374 default: 375 /* pass offset for further operation */ 376 *((u32 *)skb->cb) = pkt_offset; 377 skb_queue_tail(&rtwdev->c2h_queue, skb); 378 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 379 break; 380 } 381 } 382 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 383 384 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 385 { 386 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 387 rtw_fw_recovery(rtwdev); 388 else 389 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 390 } 391 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 392 393 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev, 394 struct rtw_h2c_register *h2c) 395 { 396 u32 box_reg, box_ex_reg; 397 u8 box_state, box; 398 int ret; 399 400 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0, 401 h2c->w1); 402 403 lockdep_assert_held(&rtwdev->mutex); 404 405 box = rtwdev->h2c.last_box_num; 406 switch (box) { 407 case 0: 408 box_reg = REG_HMEBOX0; 409 box_ex_reg = REG_HMEBOX0_EX; 410 break; 411 case 1: 412 box_reg = REG_HMEBOX1; 413 box_ex_reg = REG_HMEBOX1_EX; 414 break; 415 case 2: 416 box_reg = REG_HMEBOX2; 417 box_ex_reg = REG_HMEBOX2_EX; 418 break; 419 case 3: 420 box_reg = REG_HMEBOX3; 421 box_ex_reg = REG_HMEBOX3_EX; 422 break; 423 default: 424 WARN(1, "invalid h2c mail box number\n"); 425 return; 426 } 427 428 ret = read_poll_timeout_atomic(rtw_read8, box_state, 429 !((box_state >> box) & 0x1), 100, 3000, 430 false, rtwdev, REG_HMETFR); 431 432 if (ret) { 433 rtw_err(rtwdev, "failed to send h2c command\n"); 434 rtw_fw_dump_dbg_info(rtwdev); 435 return; 436 } 437 438 rtw_write32(rtwdev, box_ex_reg, h2c->w1); 439 rtw_write32(rtwdev, box_reg, h2c->w0); 440 441 if (++rtwdev->h2c.last_box_num >= 4) 442 rtwdev->h2c.last_box_num = 0; 443 } 444 445 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 446 u8 *h2c) 447 { 448 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 449 u8 box; 450 u8 box_state; 451 u32 box_reg, box_ex_reg; 452 int ret; 453 454 rtw_dbg(rtwdev, RTW_DBG_FW, 455 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 456 h2c[3], h2c[2], h2c[1], h2c[0], 457 h2c[7], h2c[6], h2c[5], h2c[4]); 458 459 lockdep_assert_held(&rtwdev->mutex); 460 461 box = rtwdev->h2c.last_box_num; 462 switch (box) { 463 case 0: 464 box_reg = REG_HMEBOX0; 465 box_ex_reg = REG_HMEBOX0_EX; 466 break; 467 case 1: 468 box_reg = REG_HMEBOX1; 469 box_ex_reg = REG_HMEBOX1_EX; 470 break; 471 case 2: 472 box_reg = REG_HMEBOX2; 473 box_ex_reg = REG_HMEBOX2_EX; 474 break; 475 case 3: 476 box_reg = REG_HMEBOX3; 477 box_ex_reg = REG_HMEBOX3_EX; 478 break; 479 default: 480 WARN(1, "invalid h2c mail box number\n"); 481 return; 482 } 483 484 ret = read_poll_timeout_atomic(rtw_read8, box_state, 485 !((box_state >> box) & 0x1), 100, 3000, 486 false, rtwdev, REG_HMETFR); 487 488 if (ret) { 489 rtw_err(rtwdev, "failed to send h2c command\n"); 490 return; 491 } 492 493 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 494 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 495 496 if (++rtwdev->h2c.last_box_num >= 4) 497 rtwdev->h2c.last_box_num = 0; 498 } 499 500 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 501 { 502 rtw_fw_send_h2c_command(rtwdev, h2c); 503 } 504 505 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 506 { 507 int ret; 508 509 lockdep_assert_held(&rtwdev->mutex); 510 511 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 512 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 513 if (ret) 514 rtw_err(rtwdev, "failed to send h2c packet\n"); 515 rtwdev->h2c.seq++; 516 } 517 518 void 519 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 520 { 521 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 522 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 523 u16 total_size = H2C_PKT_HDR_SIZE + 4; 524 525 if (rtw_chip_wcpu_11n(rtwdev)) 526 return; 527 528 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 529 530 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 531 532 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 533 fifo->rsvd_fw_txbuf_addr - 534 fifo->rsvd_boundary); 535 536 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 537 } 538 539 void 540 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 541 { 542 struct rtw_hal *hal = &rtwdev->hal; 543 struct rtw_efuse *efuse = &rtwdev->efuse; 544 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 545 u16 total_size = H2C_PKT_HDR_SIZE + 8; 546 u8 fw_rf_type = 0; 547 548 if (rtw_chip_wcpu_11n(rtwdev)) 549 return; 550 551 if (hal->rf_type == RF_1T1R) 552 fw_rf_type = FW_RF_1T1R; 553 else if (hal->rf_type == RF_2T2R) 554 fw_rf_type = FW_RF_2T2R; 555 556 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 557 558 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 559 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 560 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 561 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 562 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 563 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 564 565 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 566 } 567 568 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 569 { 570 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 571 u16 total_size = H2C_PKT_HDR_SIZE + 1; 572 573 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 574 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 575 IQK_SET_CLEAR(h2c_pkt, para->clear); 576 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 577 578 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 579 } 580 EXPORT_SYMBOL(rtw_fw_do_iqk); 581 582 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 583 { 584 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 585 586 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 587 588 RFK_SET_INFORM_START(h2c_pkt, start); 589 590 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 591 } 592 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 593 594 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 595 { 596 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 597 598 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 599 600 SET_QUERY_BT_INFO(h2c_pkt, true); 601 602 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 603 } 604 605 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) 606 { 607 struct rtw_h2c_register h2c = {}; 608 609 if (rtwvif->net_type != RTW_NET_MGD_LINKED) 610 return; 611 612 /* Leave LPS before default port H2C so FW timer is correct */ 613 rtw_leave_lps(rtwdev); 614 615 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) | 616 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) | 617 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID); 618 619 rtw_fw_send_h2c_command_register(rtwdev, &h2c); 620 } 621 622 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 623 { 624 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 625 626 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 627 628 SET_WL_CH_INFO_LINK(h2c_pkt, link); 629 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 630 SET_WL_CH_INFO_BW(h2c_pkt, bw); 631 632 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 633 } 634 635 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 636 struct rtw_coex_info_req *req) 637 { 638 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 639 640 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 641 642 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 643 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 644 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 645 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 646 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 647 648 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 649 } 650 651 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 652 { 653 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 654 u8 index = 0 - bt_pwr_dec_lvl; 655 656 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 657 658 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 659 660 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 661 } 662 663 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 664 { 665 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 666 667 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 668 669 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 670 671 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 672 } 673 674 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 675 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 676 { 677 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 678 679 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 680 681 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 682 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 683 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 684 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 685 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 686 687 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 688 } 689 690 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 691 { 692 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 693 694 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 695 696 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 697 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 698 699 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 700 } 701 702 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 703 { 704 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 705 706 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 707 708 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 709 710 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 711 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 712 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 713 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 714 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 715 716 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 717 } 718 719 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 720 { 721 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 722 u8 rssi = ewma_rssi_read(&si->avg_rssi); 723 bool stbc_en = si->stbc_en ? true : false; 724 725 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 726 727 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 728 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 729 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 730 731 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 732 } 733 734 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 735 bool reset_ra_mask) 736 { 737 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 738 bool disable_pt = true; 739 740 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 741 742 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 743 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 744 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 745 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 746 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 747 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 748 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 749 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 750 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 751 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 752 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 753 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 754 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 755 756 si->init_ra_lv = 0; 757 758 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 759 } 760 761 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 762 { 763 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 764 765 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 766 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 767 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 768 769 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 770 } 771 772 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 773 { 774 struct rtw_traffic_stats *stats = &rtwdev->stats; 775 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 776 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 777 778 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 779 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 780 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 781 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 782 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 783 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 784 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 785 } 786 787 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 788 struct ieee80211_vif *vif) 789 { 790 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 791 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 792 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 793 struct rtw_sta_info *si = 794 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 795 s32 thold = RTW_DEFAULT_CQM_THOLD; 796 u32 hyst = RTW_DEFAULT_CQM_HYST; 797 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 798 799 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 800 return; 801 802 if (bss_conf->cqm_rssi_thold) 803 thold = bss_conf->cqm_rssi_thold; 804 if (bss_conf->cqm_rssi_hyst) 805 hyst = bss_conf->cqm_rssi_hyst; 806 807 if (!connect) { 808 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 809 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 810 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 811 812 return; 813 } 814 815 if (!si) 816 return; 817 818 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 819 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 820 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 821 822 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 823 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max); 824 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 825 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 826 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 827 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 828 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold); 829 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 830 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 831 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst); 832 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 833 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 834 } 835 836 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 837 { 838 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 839 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 840 841 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 842 843 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 844 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 845 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 846 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 847 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 848 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 849 850 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 851 } 852 853 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 854 { 855 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 856 struct rtw_fw_wow_keep_alive_para mode = { 857 .adopt = true, 858 .pkt_type = KEEP_ALIVE_NULL_PKT, 859 .period = 5, 860 }; 861 862 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 863 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 864 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 865 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 866 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 867 868 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 869 } 870 871 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 872 { 873 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 874 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 875 struct rtw_fw_wow_disconnect_para mode = { 876 .adopt = true, 877 .period = 30, 878 .retry_count = 5, 879 }; 880 881 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 882 883 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 884 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 885 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 886 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 887 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 888 } 889 890 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 891 } 892 893 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 894 { 895 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 896 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 897 898 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 899 900 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 901 if (rtw_wow_mgd_linked(rtwdev)) { 902 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 903 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 904 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 905 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 906 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 907 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 908 if (rtw_wow->pattern_cnt) 909 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 910 } 911 912 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 913 } 914 915 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 916 u8 pairwise_key_enc, 917 u8 group_key_enc) 918 { 919 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 920 921 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 922 923 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 924 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 925 926 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 927 } 928 929 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 930 { 931 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 932 933 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 934 935 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 936 937 if (rtw_wow_no_link(rtwdev)) 938 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 939 940 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 941 } 942 943 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 944 enum rtw_rsvd_packet_type type) 945 { 946 struct rtw_rsvd_page *rsvd_pkt; 947 u8 location = 0; 948 949 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 950 if (type == rsvd_pkt->type) 951 location = rsvd_pkt->page; 952 } 953 954 return location; 955 } 956 957 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 958 { 959 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 960 u8 loc_nlo; 961 962 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 963 964 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 965 966 SET_NLO_FUN_EN(h2c_pkt, enable); 967 if (enable) { 968 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 969 SET_NLO_PS_32K(h2c_pkt, enable); 970 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 971 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 972 } 973 974 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 975 } 976 977 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 978 { 979 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 980 981 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 982 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 983 984 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 985 } 986 987 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 988 { 989 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 990 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 991 u8 loc_pg, loc_dpk; 992 993 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 994 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 995 996 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 997 998 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 999 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 1000 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 1001 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 1002 1003 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1004 } 1005 1006 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 1007 struct cfg80211_ssid *ssid) 1008 { 1009 struct rtw_rsvd_page *rsvd_pkt; 1010 u8 location = 0; 1011 1012 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1013 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1014 continue; 1015 if ((!ssid && !rsvd_pkt->ssid) || 1016 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1017 location = rsvd_pkt->page; 1018 } 1019 1020 return location; 1021 } 1022 1023 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 1024 struct cfg80211_ssid *ssid) 1025 { 1026 struct rtw_rsvd_page *rsvd_pkt; 1027 u16 size = 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 size = rsvd_pkt->probe_req_size; 1035 } 1036 1037 return size; 1038 } 1039 1040 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 1041 { 1042 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1043 u8 location = 0; 1044 1045 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 1046 1047 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 1048 *(h2c_pkt + 1) = location; 1049 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 1050 1051 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 1052 *(h2c_pkt + 2) = location; 1053 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 1054 1055 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 1056 *(h2c_pkt + 3) = location; 1057 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 1058 1059 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 1060 *(h2c_pkt + 4) = location; 1061 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 1062 1063 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1064 } 1065 1066 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 1067 { 1068 struct rtw_dev *rtwdev = hw->priv; 1069 const struct rtw_chip_info *chip = rtwdev->chip; 1070 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1071 struct rtw_nlo_info_hdr *nlo_hdr; 1072 struct cfg80211_ssid *ssid; 1073 struct sk_buff *skb; 1074 u8 *pos, loc; 1075 u32 size; 1076 int i; 1077 1078 if (!pno_req->inited || !pno_req->match_set_cnt) 1079 return NULL; 1080 1081 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 1082 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 1083 1084 skb = alloc_skb(size, GFP_KERNEL); 1085 if (!skb) 1086 return NULL; 1087 1088 skb_reserve(skb, chip->tx_pkt_desc_sz); 1089 1090 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 1091 1092 nlo_hdr->nlo_count = pno_req->match_set_cnt; 1093 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 1094 1095 /* pattern check for firmware */ 1096 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 1097 1098 for (i = 0; i < pno_req->match_set_cnt; i++) 1099 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 1100 1101 for (i = 0; i < pno_req->match_set_cnt; i++) { 1102 ssid = &pno_req->match_sets[i].ssid; 1103 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1104 if (!loc) { 1105 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 1106 kfree_skb(skb); 1107 return NULL; 1108 } 1109 nlo_hdr->location[i] = loc; 1110 } 1111 1112 for (i = 0; i < pno_req->match_set_cnt; i++) { 1113 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 1114 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 1115 pno_req->match_sets[i].ssid.ssid_len); 1116 } 1117 1118 return skb; 1119 } 1120 1121 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 1122 { 1123 struct rtw_dev *rtwdev = hw->priv; 1124 const struct rtw_chip_info *chip = rtwdev->chip; 1125 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1126 struct ieee80211_channel *channels = pno_req->channels; 1127 struct sk_buff *skb; 1128 int count = pno_req->channel_cnt; 1129 u8 *pos; 1130 int i = 0; 1131 1132 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 1133 if (!skb) 1134 return NULL; 1135 1136 skb_reserve(skb, chip->tx_pkt_desc_sz); 1137 1138 for (i = 0; i < count; i++) { 1139 pos = skb_put_zero(skb, 4); 1140 1141 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 1142 1143 if (channels[i].flags & IEEE80211_CHAN_RADAR) 1144 CHSW_INFO_SET_ACTION_ID(pos, 0); 1145 else 1146 CHSW_INFO_SET_ACTION_ID(pos, 1); 1147 CHSW_INFO_SET_TIMEOUT(pos, 1); 1148 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 1149 CHSW_INFO_SET_BW(pos, 0); 1150 } 1151 1152 return skb; 1153 } 1154 1155 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 1156 { 1157 struct rtw_dev *rtwdev = hw->priv; 1158 const struct rtw_chip_info *chip = rtwdev->chip; 1159 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1160 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1161 struct sk_buff *skb; 1162 u32 size; 1163 1164 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1165 skb = alloc_skb(size, GFP_KERNEL); 1166 if (!skb) 1167 return NULL; 1168 1169 skb_reserve(skb, chip->tx_pkt_desc_sz); 1170 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1171 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1172 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1173 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1174 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1175 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1176 1177 return skb; 1178 } 1179 1180 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1181 { 1182 struct rtw_dev *rtwdev = hw->priv; 1183 const struct rtw_chip_info *chip = rtwdev->chip; 1184 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1185 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1186 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1187 struct sk_buff *skb; 1188 u32 size; 1189 1190 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1191 skb = alloc_skb(size, GFP_KERNEL); 1192 if (!skb) 1193 return NULL; 1194 1195 skb_reserve(skb, chip->tx_pkt_desc_sz); 1196 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1197 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1198 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1199 pg_info_hdr->sec_cam_count = 1200 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1201 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1202 1203 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1204 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1205 1206 return skb; 1207 } 1208 1209 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1210 struct rtw_rsvd_page *rsvd_pkt) 1211 { 1212 struct ieee80211_vif *vif; 1213 struct rtw_vif *rtwvif; 1214 struct sk_buff *skb_new; 1215 struct cfg80211_ssid *ssid; 1216 u16 tim_offset = 0; 1217 1218 if (rsvd_pkt->type == RSVD_DUMMY) { 1219 skb_new = alloc_skb(1, GFP_KERNEL); 1220 if (!skb_new) 1221 return NULL; 1222 1223 skb_put(skb_new, 1); 1224 return skb_new; 1225 } 1226 1227 rtwvif = rsvd_pkt->rtwvif; 1228 if (!rtwvif) 1229 return NULL; 1230 1231 vif = rtwvif_to_vif(rtwvif); 1232 1233 switch (rsvd_pkt->type) { 1234 case RSVD_BEACON: 1235 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1236 rsvd_pkt->tim_offset = tim_offset; 1237 break; 1238 case RSVD_PS_POLL: 1239 skb_new = ieee80211_pspoll_get(hw, vif); 1240 break; 1241 case RSVD_PROBE_RESP: 1242 skb_new = ieee80211_proberesp_get(hw, vif); 1243 break; 1244 case RSVD_NULL: 1245 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1246 break; 1247 case RSVD_QOS_NULL: 1248 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1249 break; 1250 case RSVD_LPS_PG_DPK: 1251 skb_new = rtw_lps_pg_dpk_get(hw); 1252 break; 1253 case RSVD_LPS_PG_INFO: 1254 skb_new = rtw_lps_pg_info_get(hw); 1255 break; 1256 case RSVD_PROBE_REQ: 1257 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1258 if (ssid) 1259 skb_new = ieee80211_probereq_get(hw, vif->addr, 1260 ssid->ssid, 1261 ssid->ssid_len, 0); 1262 else 1263 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1264 if (skb_new) 1265 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1266 break; 1267 case RSVD_NLO_INFO: 1268 skb_new = rtw_nlo_info_get(hw); 1269 break; 1270 case RSVD_CH_INFO: 1271 skb_new = rtw_cs_channel_info_get(hw); 1272 break; 1273 default: 1274 return NULL; 1275 } 1276 1277 if (!skb_new) 1278 return NULL; 1279 1280 return skb_new; 1281 } 1282 1283 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1284 enum rtw_rsvd_packet_type type) 1285 { 1286 struct rtw_tx_pkt_info pkt_info = {0}; 1287 const struct rtw_chip_info *chip = rtwdev->chip; 1288 u8 *pkt_desc; 1289 1290 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1291 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1292 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1293 rtw_tx_fill_tx_desc(rtwdev, &pkt_info, skb); 1294 } 1295 1296 static inline u8 rtw_len_to_page(unsigned int len, u16 page_size) 1297 { 1298 return DIV_ROUND_UP(len, page_size); 1299 } 1300 1301 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u16 page_size, 1302 u16 page_margin, u32 page, u8 *buf, 1303 struct rtw_rsvd_page *rsvd_pkt) 1304 { 1305 struct sk_buff *skb = rsvd_pkt->skb; 1306 1307 if (page >= 1) 1308 memcpy(buf + page_margin + page_size * (page - 1), 1309 skb->data, skb->len); 1310 else 1311 memcpy(buf, skb->data, skb->len); 1312 } 1313 1314 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1315 enum rtw_rsvd_packet_type type, 1316 bool txdesc) 1317 { 1318 struct rtw_rsvd_page *rsvd_pkt = NULL; 1319 1320 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1321 1322 if (!rsvd_pkt) 1323 return NULL; 1324 1325 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1326 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1327 rsvd_pkt->type = type; 1328 rsvd_pkt->add_txdesc = txdesc; 1329 1330 return rsvd_pkt; 1331 } 1332 1333 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1334 struct rtw_vif *rtwvif, 1335 struct rtw_rsvd_page *rsvd_pkt) 1336 { 1337 lockdep_assert_held(&rtwdev->mutex); 1338 1339 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1340 } 1341 1342 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1343 struct rtw_vif *rtwvif, 1344 enum rtw_rsvd_packet_type type, 1345 bool txdesc) 1346 { 1347 struct rtw_rsvd_page *rsvd_pkt; 1348 1349 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1350 if (!rsvd_pkt) { 1351 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1352 return; 1353 } 1354 1355 rsvd_pkt->rtwvif = rtwvif; 1356 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1357 } 1358 1359 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1360 struct rtw_vif *rtwvif, 1361 struct cfg80211_ssid *ssid) 1362 { 1363 struct rtw_rsvd_page *rsvd_pkt; 1364 1365 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1366 if (!rsvd_pkt) { 1367 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1368 return; 1369 } 1370 1371 rsvd_pkt->rtwvif = rtwvif; 1372 rsvd_pkt->ssid = ssid; 1373 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1374 } 1375 1376 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1377 struct rtw_vif *rtwvif) 1378 { 1379 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1380 1381 lockdep_assert_held(&rtwdev->mutex); 1382 1383 /* remove all of the rsvd pages for vif */ 1384 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1385 vif_list) { 1386 list_del(&rsvd_pkt->vif_list); 1387 if (!list_empty(&rsvd_pkt->build_list)) 1388 list_del(&rsvd_pkt->build_list); 1389 kfree(rsvd_pkt); 1390 } 1391 } 1392 1393 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1394 struct rtw_vif *rtwvif) 1395 { 1396 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1397 1398 if (vif->type != NL80211_IFTYPE_AP && 1399 vif->type != NL80211_IFTYPE_ADHOC && 1400 vif->type != NL80211_IFTYPE_MESH_POINT) { 1401 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1402 vif->type); 1403 return; 1404 } 1405 1406 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1407 } 1408 1409 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1410 struct rtw_vif *rtwvif) 1411 { 1412 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1413 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1414 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1415 struct cfg80211_ssid *ssid; 1416 int i; 1417 1418 if (vif->type != NL80211_IFTYPE_STATION) { 1419 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1420 vif->type); 1421 return; 1422 } 1423 1424 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1425 ssid = &rtw_pno_req->match_sets[i].ssid; 1426 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1427 } 1428 1429 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1430 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1431 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1432 } 1433 1434 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1435 struct rtw_vif *rtwvif) 1436 { 1437 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1438 1439 if (vif->type != NL80211_IFTYPE_STATION) { 1440 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1441 vif->type); 1442 return; 1443 } 1444 1445 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1446 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1447 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1448 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1449 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1450 } 1451 1452 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1453 u8 *buf, u32 size) 1454 { 1455 u8 bckp[2]; 1456 u8 val; 1457 u16 rsvd_pg_head; 1458 u32 bcn_valid_addr; 1459 u32 bcn_valid_mask; 1460 int ret; 1461 1462 lockdep_assert_held(&rtwdev->mutex); 1463 1464 if (!size) 1465 return -EINVAL; 1466 1467 if (rtw_chip_wcpu_11n(rtwdev)) { 1468 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1469 } else { 1470 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1471 pg_addr |= BIT_BCN_VALID_V1; 1472 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1473 } 1474 1475 val = rtw_read8(rtwdev, REG_CR + 1); 1476 bckp[0] = val; 1477 val |= BIT_ENSWBCN >> 8; 1478 rtw_write8(rtwdev, REG_CR + 1, val); 1479 1480 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) { 1481 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1482 bckp[1] = val; 1483 val &= ~(BIT_EN_BCNQ_DL >> 16); 1484 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1485 } 1486 1487 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1488 if (ret) { 1489 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1490 goto restore; 1491 } 1492 1493 if (rtw_chip_wcpu_11n(rtwdev)) { 1494 bcn_valid_addr = REG_DWBCN0_CTRL; 1495 bcn_valid_mask = BIT_BCN_VALID; 1496 } else { 1497 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1498 bcn_valid_mask = BIT_BCN_VALID_V1; 1499 } 1500 1501 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1502 rtw_err(rtwdev, "error beacon valid\n"); 1503 ret = -EBUSY; 1504 } 1505 1506 restore: 1507 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1508 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1509 rsvd_pg_head | BIT_BCN_VALID_V1); 1510 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) 1511 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1512 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1513 1514 return ret; 1515 } 1516 1517 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1518 { 1519 u32 pg_size; 1520 u32 pg_num = 0; 1521 u16 pg_addr = 0; 1522 1523 pg_size = rtwdev->chip->page_size; 1524 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1525 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1526 return -ENOMEM; 1527 1528 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1529 1530 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1531 } 1532 1533 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1534 { 1535 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1536 1537 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1538 build_list) { 1539 list_del_init(&rsvd_pkt->build_list); 1540 1541 /* Don't free except for the dummy rsvd page, 1542 * others will be freed when removing vif 1543 */ 1544 if (rsvd_pkt->type == RSVD_DUMMY) 1545 kfree(rsvd_pkt); 1546 } 1547 } 1548 1549 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1550 struct ieee80211_vif *vif) 1551 { 1552 struct rtw_dev *rtwdev = data; 1553 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1554 struct rtw_rsvd_page *rsvd_pkt; 1555 1556 /* AP not yet started, don't gather its rsvd pages */ 1557 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active) 1558 return; 1559 1560 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1561 if (rsvd_pkt->type == RSVD_BEACON) 1562 list_add(&rsvd_pkt->build_list, 1563 &rtwdev->rsvd_page_list); 1564 else 1565 list_add_tail(&rsvd_pkt->build_list, 1566 &rtwdev->rsvd_page_list); 1567 } 1568 } 1569 1570 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1571 { 1572 struct rtw_rsvd_page *rsvd_pkt; 1573 1574 __rtw_build_rsvd_page_reset(rtwdev); 1575 1576 /* gather rsvd page from vifs */ 1577 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1578 1579 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1580 struct rtw_rsvd_page, build_list); 1581 if (!rsvd_pkt) { 1582 WARN(1, "Should not have an empty reserved page\n"); 1583 return -EINVAL; 1584 } 1585 1586 /* the first rsvd should be beacon, otherwise add a dummy one */ 1587 if (rsvd_pkt->type != RSVD_BEACON) { 1588 struct rtw_rsvd_page *dummy_pkt; 1589 1590 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1591 if (!dummy_pkt) { 1592 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1593 return -ENOMEM; 1594 } 1595 1596 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1597 } 1598 1599 return 0; 1600 } 1601 1602 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1603 { 1604 const struct rtw_chip_info *chip = rtwdev->chip; 1605 struct ieee80211_hw *hw = rtwdev->hw; 1606 struct rtw_rsvd_page *rsvd_pkt; 1607 struct sk_buff *iter; 1608 u16 page_size, page_margin, tx_desc_sz; 1609 u8 total_page = 0; 1610 u32 page = 0; 1611 u8 *buf; 1612 int ret; 1613 1614 page_size = chip->page_size; 1615 tx_desc_sz = chip->tx_pkt_desc_sz; 1616 page_margin = page_size - tx_desc_sz; 1617 1618 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1619 if (ret) { 1620 rtw_err(rtwdev, 1621 "failed to build rsvd page from vifs, ret %d\n", ret); 1622 return NULL; 1623 } 1624 1625 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1626 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1627 if (!iter) { 1628 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1629 goto release_skb; 1630 } 1631 1632 /* Fill the tx_desc for the rsvd pkt that requires one. 1633 * And iter->len will be added with size of tx_desc_sz. 1634 */ 1635 if (rsvd_pkt->add_txdesc) 1636 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1637 1638 rsvd_pkt->skb = iter; 1639 rsvd_pkt->page = total_page; 1640 1641 /* Reserved page is downloaded via TX path, and TX path will 1642 * generate a tx_desc at the header to describe length of 1643 * the buffer. If we are not counting page numbers with the 1644 * size of tx_desc added at the first rsvd_pkt (usually a 1645 * beacon, firmware default refer to the first page as the 1646 * content of beacon), we could generate a buffer which size 1647 * is smaller than the actual size of the whole rsvd_page 1648 */ 1649 if (total_page == 0) { 1650 if (rsvd_pkt->type != RSVD_BEACON && 1651 rsvd_pkt->type != RSVD_DUMMY) { 1652 rtw_err(rtwdev, "first page should be a beacon\n"); 1653 goto release_skb; 1654 } 1655 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1656 page_size); 1657 } else { 1658 total_page += rtw_len_to_page(iter->len, page_size); 1659 } 1660 } 1661 1662 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1663 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1664 goto release_skb; 1665 } 1666 1667 *size = (total_page - 1) * page_size + page_margin; 1668 buf = kzalloc(*size, GFP_KERNEL); 1669 if (!buf) 1670 goto release_skb; 1671 1672 /* Copy the content of each rsvd_pkt to the buf, and they should 1673 * be aligned to the pages. 1674 * 1675 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1676 * And that rsvd_pkt does not require tx_desc because when it goes 1677 * through TX path, the TX path will generate one for it. 1678 */ 1679 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1680 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1681 page, buf, rsvd_pkt); 1682 if (page == 0) 1683 page += rtw_len_to_page(rsvd_pkt->skb->len + 1684 tx_desc_sz, page_size); 1685 else 1686 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1687 1688 kfree_skb(rsvd_pkt->skb); 1689 rsvd_pkt->skb = NULL; 1690 } 1691 1692 return buf; 1693 1694 release_skb: 1695 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1696 kfree_skb(rsvd_pkt->skb); 1697 rsvd_pkt->skb = NULL; 1698 } 1699 1700 return NULL; 1701 } 1702 1703 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1704 { 1705 struct ieee80211_hw *hw = rtwdev->hw; 1706 struct rtw_rsvd_page *rsvd_pkt; 1707 struct sk_buff *skb; 1708 int ret = 0; 1709 1710 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1711 struct rtw_rsvd_page, build_list); 1712 if (!rsvd_pkt) { 1713 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1714 return -ENOENT; 1715 } 1716 1717 if (rsvd_pkt->type != RSVD_BEACON && 1718 rsvd_pkt->type != RSVD_DUMMY) { 1719 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1720 rsvd_pkt->type); 1721 return -EINVAL; 1722 } 1723 1724 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1725 if (!skb) { 1726 rtw_err(rtwdev, "failed to get beacon skb\n"); 1727 return -ENOMEM; 1728 } 1729 1730 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1731 if (ret) 1732 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1733 1734 dev_kfree_skb(skb); 1735 1736 return ret; 1737 } 1738 1739 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1740 { 1741 u8 *buf; 1742 u32 size; 1743 int ret; 1744 1745 buf = rtw_build_rsvd_page(rtwdev, &size); 1746 if (!buf) { 1747 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1748 return -ENOMEM; 1749 } 1750 1751 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1752 if (ret) { 1753 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1754 goto free; 1755 } 1756 1757 /* The last thing is to download the *ONLY* beacon again, because 1758 * the previous tx_desc is to describe the total rsvd page. Download 1759 * the beacon again to replace the TX desc header, and we will get 1760 * a correct tx_desc for the beacon in the rsvd page. 1761 */ 1762 ret = rtw_download_beacon(rtwdev); 1763 if (ret) { 1764 rtw_err(rtwdev, "failed to download beacon\n"); 1765 goto free; 1766 } 1767 1768 free: 1769 kfree(buf); 1770 1771 return ret; 1772 } 1773 1774 void rtw_fw_update_beacon_work(struct work_struct *work) 1775 { 1776 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1777 update_beacon_work); 1778 1779 mutex_lock(&rtwdev->mutex); 1780 rtw_fw_download_rsvd_page(rtwdev); 1781 rtw_send_rsvd_page_h2c(rtwdev); 1782 mutex_unlock(&rtwdev->mutex); 1783 } 1784 1785 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1786 u32 *buf, u32 residue, u16 start_pg) 1787 { 1788 u32 i; 1789 u16 idx = 0; 1790 u16 ctl; 1791 1792 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1793 /* disable rx clock gate */ 1794 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1795 1796 do { 1797 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1798 1799 for (i = FIFO_DUMP_ADDR + residue; 1800 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1801 buf[idx++] = rtw_read32(rtwdev, i); 1802 size -= 4; 1803 if (size == 0) 1804 goto out; 1805 } 1806 1807 residue = 0; 1808 start_pg++; 1809 } while (size); 1810 1811 out: 1812 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1813 /* restore rx clock gate */ 1814 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1815 } 1816 1817 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1818 u32 offset, u32 size, u32 *buf) 1819 { 1820 const struct rtw_chip_info *chip = rtwdev->chip; 1821 u32 start_pg, residue; 1822 1823 if (sel >= RTW_FW_FIFO_MAX) { 1824 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1825 return; 1826 } 1827 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1828 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1829 residue = offset & (FIFO_PAGE_SIZE - 1); 1830 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1831 1832 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1833 } 1834 1835 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1836 enum rtw_fw_fifo_sel sel, 1837 u32 start_addr, u32 size) 1838 { 1839 switch (sel) { 1840 case RTW_FW_FIFO_SEL_TX: 1841 case RTW_FW_FIFO_SEL_RX: 1842 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1843 return false; 1844 fallthrough; 1845 default: 1846 return true; 1847 } 1848 } 1849 1850 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1851 u32 *buffer) 1852 { 1853 if (!rtwdev->chip->fw_fifo_addr[0]) { 1854 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1855 return -ENOTSUPP; 1856 } 1857 1858 if (size == 0 || !buffer) 1859 return -EINVAL; 1860 1861 if (size & 0x3) { 1862 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1863 return -EINVAL; 1864 } 1865 1866 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1867 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1868 return -EINVAL; 1869 } 1870 1871 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1872 1873 return 0; 1874 } 1875 1876 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1877 u8 location) 1878 { 1879 const struct rtw_chip_info *chip = rtwdev->chip; 1880 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1881 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1882 1883 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1884 1885 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1886 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1887 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1888 1889 /* include txdesc size */ 1890 size += chip->tx_pkt_desc_sz; 1891 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1892 1893 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1894 } 1895 1896 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1897 struct cfg80211_ssid *ssid) 1898 { 1899 u8 loc; 1900 u16 size; 1901 1902 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1903 if (!loc) { 1904 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1905 return; 1906 } 1907 1908 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1909 if (!size) { 1910 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1911 return; 1912 } 1913 1914 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1915 } 1916 1917 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1918 { 1919 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1920 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1921 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1922 u8 loc_ch_info; 1923 const struct rtw_ch_switch_option cs_option = { 1924 .dest_ch_en = 1, 1925 .dest_ch = 1, 1926 .periodic_option = 2, 1927 .normal_period = 5, 1928 .normal_period_sel = 0, 1929 .normal_cycle = 10, 1930 .slow_period = 1, 1931 .slow_period_sel = 1, 1932 }; 1933 1934 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1935 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1936 1937 CH_SWITCH_SET_START(h2c_pkt, enable); 1938 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1939 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1940 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1941 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1942 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1943 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1944 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1945 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1946 1947 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1948 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1949 1950 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1951 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1952 1953 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1954 } 1955 1956 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1957 { 1958 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1959 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1960 1961 if (!rtw_edcca_enabled) { 1962 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1963 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1964 "EDCCA disabled by debugfs\n"); 1965 } 1966 1967 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1968 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1969 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1970 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1971 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1972 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1973 1974 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1975 } 1976 1977 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1978 { 1979 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1980 1981 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1982 SET_SCAN_START(h2c_pkt, start); 1983 1984 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1985 } 1986 1987 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1988 struct sk_buff_head *list, u8 *bands, 1989 struct rtw_vif *rtwvif) 1990 { 1991 const struct rtw_chip_info *chip = rtwdev->chip; 1992 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1993 struct sk_buff *new; 1994 u8 idx; 1995 1996 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1997 if (!(BIT(idx) & chip->band)) 1998 continue; 1999 new = skb_copy(skb, GFP_KERNEL); 2000 if (!new) 2001 return -ENOMEM; 2002 skb_put_data(new, ies->ies[idx], ies->len[idx]); 2003 skb_put_data(new, ies->common_ies, ies->common_ie_len); 2004 skb_queue_tail(list, new); 2005 (*bands)++; 2006 } 2007 2008 return 0; 2009 } 2010 2011 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 2012 struct sk_buff_head *probe_req_list) 2013 { 2014 const struct rtw_chip_info *chip = rtwdev->chip; 2015 struct sk_buff *skb, *tmp; 2016 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 2017 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 2018 u16 page_size = chip->page_size; 2019 u8 page_offset = 1, *buf; 2020 u16 buf_offset = page_size * page_offset; 2021 unsigned int pkt_len; 2022 u8 page_cnt, pages; 2023 int ret; 2024 2025 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 2026 page_cnt = RTW_OLD_PROBE_PG_CNT; 2027 else 2028 page_cnt = RTW_PROBE_PG_CNT; 2029 2030 pages = page_offset + num_probes * page_cnt; 2031 2032 buf = kzalloc(page_size * pages, GFP_KERNEL); 2033 if (!buf) 2034 return -ENOMEM; 2035 2036 buf_offset -= tx_desc_sz; 2037 skb_queue_walk_safe(probe_req_list, skb, tmp) { 2038 skb_unlink(skb, probe_req_list); 2039 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 2040 if (skb->len > page_size * page_cnt) { 2041 ret = -EINVAL; 2042 goto out; 2043 } 2044 2045 memcpy(buf + buf_offset, skb->data, skb->len); 2046 pkt_len = skb->len - tx_desc_sz; 2047 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 2048 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 2049 2050 buf_offset += page_cnt * page_size; 2051 page_offset += page_cnt; 2052 kfree_skb(skb); 2053 } 2054 2055 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 2056 if (ret) { 2057 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 2058 goto out; 2059 } 2060 2061 rtwdev->scan_info.probe_pg_size = page_offset; 2062 out: 2063 kfree(buf); 2064 skb_queue_walk_safe(probe_req_list, skb, tmp) 2065 kfree_skb(skb); 2066 2067 return ret; 2068 } 2069 2070 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 2071 struct rtw_vif *rtwvif) 2072 { 2073 struct cfg80211_scan_request *req = rtwvif->scan_req; 2074 struct sk_buff_head list; 2075 struct sk_buff *skb, *tmp; 2076 u8 num = req->n_ssids, i, bands = 0; 2077 int ret; 2078 2079 skb_queue_head_init(&list); 2080 for (i = 0; i < num; i++) { 2081 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 2082 req->ssids[i].ssid, 2083 req->ssids[i].ssid_len, 2084 req->ie_len); 2085 if (!skb) { 2086 ret = -ENOMEM; 2087 goto out; 2088 } 2089 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 2090 rtwvif); 2091 if (ret) 2092 goto out; 2093 2094 kfree_skb(skb); 2095 } 2096 2097 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 2098 2099 out: 2100 skb_queue_walk_safe(&list, skb, tmp) 2101 kfree_skb(skb); 2102 2103 return ret; 2104 } 2105 2106 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 2107 struct rtw_chan_list *list, u8 *buf) 2108 { 2109 u8 *chan = &buf[list->size]; 2110 u8 info_size = RTW_CH_INFO_SIZE; 2111 2112 if (list->size > list->buf_size) 2113 return -ENOMEM; 2114 2115 CH_INFO_SET_CH(chan, info->channel); 2116 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 2117 CH_INFO_SET_BW(chan, info->bw); 2118 CH_INFO_SET_TIMEOUT(chan, info->timeout); 2119 CH_INFO_SET_ACTION_ID(chan, info->action_id); 2120 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 2121 if (info->extra_info) { 2122 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 2123 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 2124 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 2125 RTW_EX_CH_INFO_HDR_SIZE); 2126 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 2127 info_size += RTW_EX_CH_INFO_SIZE; 2128 } 2129 list->size += info_size; 2130 list->ch_num++; 2131 2132 return 0; 2133 } 2134 2135 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2136 struct rtw_chan_list *list, u8 *buf) 2137 { 2138 struct cfg80211_scan_request *req = rtwvif->scan_req; 2139 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2140 struct ieee80211_channel *channel; 2141 int i, ret = 0; 2142 2143 for (i = 0; i < req->n_channels; i++) { 2144 struct rtw_chan_info ch_info = {0}; 2145 2146 channel = req->channels[i]; 2147 ch_info.channel = channel->hw_value; 2148 ch_info.bw = RTW_SCAN_WIDTH; 2149 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 2150 ch_info.timeout = req->duration_mandatory ? 2151 req->duration : RTW_CHANNEL_TIME; 2152 2153 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 2154 ch_info.action_id = RTW_CHANNEL_RADAR; 2155 ch_info.extra_info = 1; 2156 /* Overwrite duration for passive scans if necessary */ 2157 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 2158 ch_info.timeout : RTW_PASS_CHAN_TIME; 2159 } else { 2160 ch_info.action_id = RTW_CHANNEL_ACTIVE; 2161 } 2162 2163 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 2164 if (ret) 2165 return ret; 2166 } 2167 2168 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2169 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2170 return -EINVAL; 2171 } 2172 2173 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2174 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2175 if (ret) 2176 rtw_err(rtwdev, "Download channel list failed\n"); 2177 2178 return ret; 2179 } 2180 2181 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2182 struct rtw_ch_switch_option *opt, 2183 struct rtw_vif *rtwvif, 2184 struct rtw_chan_list *list) 2185 { 2186 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2187 struct cfg80211_scan_request *req = rtwvif->scan_req; 2188 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2189 /* reserve one dummy page at the beginning for tx descriptor */ 2190 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2191 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2192 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2193 2194 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2195 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2196 2197 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2198 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2199 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2200 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2201 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2202 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2203 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2204 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2205 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2206 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2207 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2208 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2209 req->duration : RTW_CHANNEL_TIME); 2210 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2211 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2212 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2213 2214 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2215 } 2216 2217 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2218 struct ieee80211_scan_request *scan_req) 2219 { 2220 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2221 struct cfg80211_scan_request *req = &scan_req->req; 2222 u8 mac_addr[ETH_ALEN]; 2223 2224 rtwdev->scan_info.scanning_vif = vif; 2225 rtwvif->scan_ies = &scan_req->ies; 2226 rtwvif->scan_req = req; 2227 2228 ieee80211_stop_queues(rtwdev->hw); 2229 rtw_leave_lps_deep(rtwdev); 2230 rtw_hci_flush_all_queues(rtwdev, false); 2231 rtw_mac_flush_all_queues(rtwdev, false); 2232 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2233 get_random_mask_addr(mac_addr, req->mac_addr, 2234 req->mac_addr_mask); 2235 else 2236 ether_addr_copy(mac_addr, vif->addr); 2237 2238 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2239 2240 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2241 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2242 } 2243 2244 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2245 bool aborted) 2246 { 2247 struct cfg80211_scan_info info = { 2248 .aborted = aborted, 2249 }; 2250 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2251 struct rtw_hal *hal = &rtwdev->hal; 2252 struct rtw_vif *rtwvif; 2253 u8 chan = scan_info->op_chan; 2254 2255 if (!vif) 2256 return; 2257 2258 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2259 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2260 2261 rtw_core_scan_complete(rtwdev, vif, true); 2262 2263 rtwvif = (struct rtw_vif *)vif->drv_priv; 2264 if (chan) 2265 rtw_store_op_chan(rtwdev, false); 2266 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2267 ieee80211_wake_queues(rtwdev->hw); 2268 ieee80211_scan_completed(rtwdev->hw, &info); 2269 2270 rtwvif->scan_req = NULL; 2271 rtwvif->scan_ies = NULL; 2272 rtwdev->scan_info.scanning_vif = NULL; 2273 } 2274 2275 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2276 struct rtw_chan_list *list) 2277 { 2278 struct cfg80211_scan_request *req = rtwvif->scan_req; 2279 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2280 u8 *buf; 2281 int ret; 2282 2283 buf = kmalloc(size, GFP_KERNEL); 2284 if (!buf) 2285 return -ENOMEM; 2286 2287 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2288 if (ret) { 2289 rtw_err(rtwdev, "Update probe request failed\n"); 2290 goto out; 2291 } 2292 2293 list->buf_size = size; 2294 list->size = 0; 2295 list->ch_num = 0; 2296 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2297 out: 2298 kfree(buf); 2299 2300 return ret; 2301 } 2302 2303 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2304 bool enable) 2305 { 2306 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2307 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2308 struct rtw_ch_switch_option cs_option = {0}; 2309 struct rtw_chan_list chan_list = {0}; 2310 int ret = 0; 2311 2312 if (!rtwvif) 2313 return -EINVAL; 2314 2315 cs_option.switch_en = enable; 2316 cs_option.back_op_en = scan_info->op_chan != 0; 2317 if (enable) { 2318 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2319 if (ret) 2320 goto out; 2321 } 2322 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2323 out: 2324 if (rtwdev->ap_active) { 2325 ret = rtw_download_beacon(rtwdev); 2326 if (ret) 2327 rtw_err(rtwdev, "HW scan download beacon failed\n"); 2328 } 2329 2330 return ret; 2331 } 2332 2333 void rtw_hw_scan_abort(struct rtw_dev *rtwdev) 2334 { 2335 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2336 2337 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2338 return; 2339 2340 rtw_hw_scan_offload(rtwdev, vif, false); 2341 rtw_hw_scan_complete(rtwdev, vif, true); 2342 } 2343 2344 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2345 { 2346 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2347 struct rtw_c2h_cmd *c2h; 2348 bool aborted; 2349 u8 rc; 2350 2351 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2352 return; 2353 2354 c2h = get_c2h_from_skb(skb); 2355 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2356 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2357 rtw_hw_scan_complete(rtwdev, vif, aborted); 2358 2359 if (aborted) 2360 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2361 } 2362 2363 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2364 { 2365 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2366 struct rtw_hal *hal = &rtwdev->hal; 2367 u8 band; 2368 2369 if (backup) { 2370 scan_info->op_chan = hal->current_channel; 2371 scan_info->op_bw = hal->current_band_width; 2372 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2373 scan_info->op_pri_ch = hal->primary_channel; 2374 } else { 2375 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2376 rtw_update_channel(rtwdev, scan_info->op_chan, 2377 scan_info->op_pri_ch, 2378 band, scan_info->op_bw); 2379 } 2380 } 2381 2382 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2383 { 2384 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2385 2386 scan_info->op_chan = 0; 2387 scan_info->op_bw = 0; 2388 scan_info->op_pri_ch_idx = 0; 2389 scan_info->op_pri_ch = 0; 2390 } 2391 2392 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2393 { 2394 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2395 2396 return channel == scan_info->op_chan; 2397 } 2398 2399 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2400 { 2401 struct rtw_hal *hal = &rtwdev->hal; 2402 struct rtw_c2h_cmd *c2h; 2403 enum rtw_scan_notify_id id; 2404 u8 chan, band, status; 2405 2406 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2407 return; 2408 2409 c2h = get_c2h_from_skb(skb); 2410 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2411 id = GET_CHAN_SWITCH_ID(c2h->payload); 2412 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2413 2414 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2415 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2416 rtw_update_channel(rtwdev, chan, chan, band, 2417 RTW_CHANNEL_WIDTH_20); 2418 if (rtw_is_op_chan(rtwdev, chan)) { 2419 rtw_store_op_chan(rtwdev, false); 2420 ieee80211_wake_queues(rtwdev->hw); 2421 rtw_core_enable_beacon(rtwdev, true); 2422 } 2423 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2424 if (IS_CH_5G_BAND(chan)) { 2425 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2426 } else if (IS_CH_2G_BAND(chan)) { 2427 u8 chan_type; 2428 2429 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2430 chan_type = COEX_SWITCH_TO_24G; 2431 else 2432 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2433 rtw_coex_switchband_notify(rtwdev, chan_type); 2434 } 2435 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2436 * channel that hardware will switch. We need to stop queue 2437 * if next channel is non-op channel. 2438 */ 2439 if (!rtw_is_op_chan(rtwdev, chan) && 2440 rtw_is_op_chan(rtwdev, hal->current_channel)) { 2441 rtw_core_enable_beacon(rtwdev, false); 2442 ieee80211_stop_queues(rtwdev->hw); 2443 } 2444 } 2445 2446 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2447 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2448 } 2449