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1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause2/* Copyright(c) 2018-2019 Realtek Corporation3 */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 20static 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 40static 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 50static 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 62static 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 78void 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 93static 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 117static 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 139struct rtw_fw_iter_ra_data {140 struct rtw_dev *rtwdev;141 u8 *payload;142};143 144static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta)145{146 struct rtw_fw_iter_ra_data *ra_data = data;147 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;148 u8 mac_id, rate, sgi, bw;149 u8 mcs, nss;150 u32 bit_rate;151 152 mac_id = GET_RA_REPORT_MACID(ra_data->payload);153 if (si->mac_id != mac_id)154 return;155 156 si->ra_report.txrate.flags = 0;157 158 rate = GET_RA_REPORT_RATE(ra_data->payload);159 sgi = GET_RA_REPORT_SGI(ra_data->payload);160 bw = GET_RA_REPORT_BW(ra_data->payload);161 162 if (rate < DESC_RATEMCS0) {163 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate);164 goto legacy;165 }166 167 rtw_desc_to_mcsrate(rate, &mcs, &nss);168 if (rate >= DESC_RATEVHT1SS_MCS0)169 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;170 else if (rate >= DESC_RATEMCS0)171 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS;172 173 if (rate >= DESC_RATEMCS0) {174 si->ra_report.txrate.mcs = mcs;175 si->ra_report.txrate.nss = nss;176 }177 178 if (sgi)179 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;180 181 if (bw == RTW_CHANNEL_WIDTH_80)182 si->ra_report.txrate.bw = RATE_INFO_BW_80;183 else if (bw == RTW_CHANNEL_WIDTH_40)184 si->ra_report.txrate.bw = RATE_INFO_BW_40;185 else186 si->ra_report.txrate.bw = RATE_INFO_BW_20;187 188legacy:189 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate);190 191 si->ra_report.desc_rate = rate;192 si->ra_report.bit_rate = bit_rate;193 194 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate);195}196 197static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload,198 u8 length)199{200 struct rtw_fw_iter_ra_data ra_data;201 202 if (WARN(length < 7, "invalid ra report c2h length\n"))203 return;204 205 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload);206 ra_data.rtwdev = rtwdev;207 ra_data.payload = payload;208 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data);209}210 211struct rtw_beacon_filter_iter_data {212 struct rtw_dev *rtwdev;213 u8 *payload;214};215 216static void rtw_fw_bcn_filter_notify_vif_iter(void *data,217 struct ieee80211_vif *vif)218{219 struct rtw_beacon_filter_iter_data *iter_data = data;220 struct rtw_dev *rtwdev = iter_data->rtwdev;221 u8 *payload = iter_data->payload;222 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload);223 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload);224 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload);225 226 switch (type) {227 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE:228 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH :229 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;230 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL);231 break;232 case BCN_FILTER_CONNECTION_LOSS:233 ieee80211_connection_loss(vif);234 break;235 case BCN_FILTER_CONNECTED:236 rtwdev->beacon_loss = false;237 break;238 case BCN_FILTER_NOTIFY_BEACON_LOSS:239 rtwdev->beacon_loss = true;240 rtw_leave_lps(rtwdev);241 break;242 }243}244 245static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload,246 u8 length)247{248 struct rtw_beacon_filter_iter_data dev_iter_data;249 250 dev_iter_data.rtwdev = rtwdev;251 dev_iter_data.payload = payload;252 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter,253 &dev_iter_data);254}255 256static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload,257 u8 length)258{259 struct rtw_dm_info *dm_info = &rtwdev->dm_info;260 261 dm_info->scan_density = payload[0];262 263 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n",264 dm_info->scan_density);265}266 267static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload,268 u8 length)269{270 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th;271 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload;272 273 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,274 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n",275 result->density, result->igi, result->l2h_th_init, result->l2h,276 result->h2l, result->option);277 278 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n",279 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr,280 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask),281 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr,282 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask));283 284 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n",285 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ?286 "Set" : "Unset");287}288 289void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)290{291 struct rtw_c2h_cmd *c2h;292 u32 pkt_offset;293 u8 len;294 295 pkt_offset = *((u32 *)skb->cb);296 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);297 len = skb->len - pkt_offset - 2;298 299 mutex_lock(&rtwdev->mutex);300 301 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))302 goto unlock;303 304 switch (c2h->id) {305 case C2H_CCX_TX_RPT:306 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT);307 break;308 case C2H_BT_INFO:309 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);310 break;311 case C2H_BT_HID_INFO:312 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len);313 break;314 case C2H_WLAN_INFO:315 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len);316 break;317 case C2H_BCN_FILTER_NOTIFY:318 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len);319 break;320 case C2H_HALMAC:321 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb);322 break;323 case C2H_RA_RPT:324 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len);325 break;326 default:327 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id);328 break;329 }330 331unlock:332 mutex_unlock(&rtwdev->mutex);333}334 335void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset,336 struct sk_buff *skb)337{338 struct rtw_c2h_cmd *c2h;339 u8 len;340 341 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);342 len = skb->len - pkt_offset - 2;343 *((u32 *)skb->cb) = pkt_offset;344 345 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n",346 c2h->id, c2h->seq, len);347 348 switch (c2h->id) {349 case C2H_BT_MP_INFO:350 rtw_coex_info_response(rtwdev, skb);351 break;352 case C2H_WLAN_RFON:353 complete(&rtwdev->lps_leave_check);354 dev_kfree_skb_any(skb);355 break;356 case C2H_SCAN_RESULT:357 complete(&rtwdev->fw_scan_density);358 rtw_fw_scan_result(rtwdev, c2h->payload, len);359 dev_kfree_skb_any(skb);360 break;361 case C2H_ADAPTIVITY:362 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len);363 dev_kfree_skb_any(skb);364 break;365 default:366 /* pass offset for further operation */367 *((u32 *)skb->cb) = pkt_offset;368 skb_queue_tail(&rtwdev->c2h_queue, skb);369 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);370 break;371 }372}373EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe);374 375void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev)376{377 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER)378 rtw_fw_recovery(rtwdev);379 else380 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n");381}382EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr);383 384static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev,385 struct rtw_h2c_register *h2c)386{387 u32 box_reg, box_ex_reg;388 u8 box_state, box;389 int ret;390 391 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0,392 h2c->w1);393 394 lockdep_assert_held(&rtwdev->mutex);395 396 box = rtwdev->h2c.last_box_num;397 switch (box) {398 case 0:399 box_reg = REG_HMEBOX0;400 box_ex_reg = REG_HMEBOX0_EX;401 break;402 case 1:403 box_reg = REG_HMEBOX1;404 box_ex_reg = REG_HMEBOX1_EX;405 break;406 case 2:407 box_reg = REG_HMEBOX2;408 box_ex_reg = REG_HMEBOX2_EX;409 break;410 case 3:411 box_reg = REG_HMEBOX3;412 box_ex_reg = REG_HMEBOX3_EX;413 break;414 default:415 WARN(1, "invalid h2c mail box number\n");416 return;417 }418 419 ret = read_poll_timeout_atomic(rtw_read8, box_state,420 !((box_state >> box) & 0x1), 100, 3000,421 false, rtwdev, REG_HMETFR);422 423 if (ret) {424 rtw_err(rtwdev, "failed to send h2c command\n");425 rtw_fw_dump_dbg_info(rtwdev);426 return;427 }428 429 rtw_write32(rtwdev, box_ex_reg, h2c->w1);430 rtw_write32(rtwdev, box_reg, h2c->w0);431 432 if (++rtwdev->h2c.last_box_num >= 4)433 rtwdev->h2c.last_box_num = 0;434}435 436static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,437 u8 *h2c)438{439 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c;440 u8 box;441 u8 box_state;442 u32 box_reg, box_ex_reg;443 int ret;444 445 rtw_dbg(rtwdev, RTW_DBG_FW,446 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",447 h2c[3], h2c[2], h2c[1], h2c[0],448 h2c[7], h2c[6], h2c[5], h2c[4]);449 450 lockdep_assert_held(&rtwdev->mutex);451 452 box = rtwdev->h2c.last_box_num;453 switch (box) {454 case 0:455 box_reg = REG_HMEBOX0;456 box_ex_reg = REG_HMEBOX0_EX;457 break;458 case 1:459 box_reg = REG_HMEBOX1;460 box_ex_reg = REG_HMEBOX1_EX;461 break;462 case 2:463 box_reg = REG_HMEBOX2;464 box_ex_reg = REG_HMEBOX2_EX;465 break;466 case 3:467 box_reg = REG_HMEBOX3;468 box_ex_reg = REG_HMEBOX3_EX;469 break;470 default:471 WARN(1, "invalid h2c mail box number\n");472 return;473 }474 475 ret = read_poll_timeout_atomic(rtw_read8, box_state,476 !((box_state >> box) & 0x1), 100, 3000,477 false, rtwdev, REG_HMETFR);478 479 if (ret) {480 rtw_err(rtwdev, "failed to send h2c command\n");481 return;482 }483 484 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext));485 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg));486 487 if (++rtwdev->h2c.last_box_num >= 4)488 rtwdev->h2c.last_box_num = 0;489}490 491void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c)492{493 rtw_fw_send_h2c_command(rtwdev, h2c);494}495 496static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)497{498 int ret;499 500 lockdep_assert_held(&rtwdev->mutex);501 502 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq);503 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE);504 if (ret)505 rtw_err(rtwdev, "failed to send h2c packet\n");506 rtwdev->h2c.seq++;507}508 509void510rtw_fw_send_general_info(struct rtw_dev *rtwdev)511{512 struct rtw_fifo_conf *fifo = &rtwdev->fifo;513 u8 h2c_pkt[H2C_PKT_SIZE] = {0};514 u16 total_size = H2C_PKT_HDR_SIZE + 4;515 516 if (rtw_chip_wcpu_11n(rtwdev))517 return;518 519 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);520 521 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);522 523 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt,524 fifo->rsvd_fw_txbuf_addr -525 fifo->rsvd_boundary);526 527 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);528}529 530void531rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)532{533 struct rtw_hal *hal = &rtwdev->hal;534 struct rtw_efuse *efuse = &rtwdev->efuse;535 u8 h2c_pkt[H2C_PKT_SIZE] = {0};536 u16 total_size = H2C_PKT_HDR_SIZE + 8;537 u8 fw_rf_type = 0;538 539 if (rtw_chip_wcpu_11n(rtwdev))540 return;541 542 if (hal->rf_type == RF_1T1R)543 fw_rf_type = FW_RF_1T1R;544 else if (hal->rf_type == RF_2T2R)545 fw_rf_type = FW_RF_2T2R;546 547 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO);548 549 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);550 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option);551 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type);552 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version);553 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx);554 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx);555 556 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);557}558 559void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)560{561 u8 h2c_pkt[H2C_PKT_SIZE] = {0};562 u16 total_size = H2C_PKT_HDR_SIZE + 1;563 564 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK);565 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);566 IQK_SET_CLEAR(h2c_pkt, para->clear);567 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk);568 569 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);570}571EXPORT_SYMBOL(rtw_fw_do_iqk);572 573void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start)574{575 u8 h2c_pkt[H2C_PKT_SIZE] = {0};576 577 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION);578 579 RFK_SET_INFORM_START(h2c_pkt, start);580 581 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);582}583EXPORT_SYMBOL(rtw_fw_inform_rfk_status);584 585void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)586{587 u8 h2c_pkt[H2C_PKT_SIZE] = {0};588 589 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO);590 591 SET_QUERY_BT_INFO(h2c_pkt, true);592 593 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);594}595 596void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)597{598 struct rtw_h2c_register h2c = {};599 600 if (rtwvif->net_type != RTW_NET_MGD_LINKED)601 return;602 603 /* Leave LPS before default port H2C so FW timer is correct */604 rtw_leave_lps(rtwdev);605 606 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) |607 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) |608 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID);609 610 rtw_fw_send_h2c_command_register(rtwdev, &h2c);611}612 613void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw)614{615 u8 h2c_pkt[H2C_PKT_SIZE] = {0};616 617 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO);618 619 SET_WL_CH_INFO_LINK(h2c_pkt, link);620 SET_WL_CH_INFO_CHNL(h2c_pkt, ch);621 SET_WL_CH_INFO_BW(h2c_pkt, bw);622 623 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);624}625 626void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev,627 struct rtw_coex_info_req *req)628{629 u8 h2c_pkt[H2C_PKT_SIZE] = {0};630 631 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO);632 633 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq);634 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code);635 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1);636 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2);637 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3);638 639 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);640}641 642void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)643{644 u8 h2c_pkt[H2C_PKT_SIZE] = {0};645 u8 index = 0 - bt_pwr_dec_lvl;646 647 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER);648 649 SET_BT_TX_POWER_INDEX(h2c_pkt, index);650 651 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);652}653 654void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable)655{656 u8 h2c_pkt[H2C_PKT_SIZE] = {0};657 658 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION);659 660 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable);661 662 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);663}664 665void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev,666 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5)667{668 u8 h2c_pkt[H2C_PKT_SIZE] = {0};669 670 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE);671 672 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1);673 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2);674 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3);675 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4);676 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5);677 678 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);679}680 681void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data)682{683 u8 h2c_pkt[H2C_PKT_SIZE] = {0};684 685 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO);686 687 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id);688 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data);689 690 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);691}692 693void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)694{695 u8 h2c_pkt[H2C_PKT_SIZE] = {0};696 697 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL);698 699 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code);700 701 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);702 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));703 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2));704 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3));705 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));706 707 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);708}709 710void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)711{712 u8 h2c_pkt[H2C_PKT_SIZE] = {0};713 u8 rssi = ewma_rssi_read(&si->avg_rssi);714 bool stbc_en = si->stbc_en ? true : false;715 716 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR);717 718 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id);719 SET_RSSI_INFO_RSSI(h2c_pkt, rssi);720 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en);721 722 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);723}724 725void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si,726 bool reset_ra_mask)727{728 u8 h2c_pkt[H2C_PKT_SIZE] = {0};729 bool disable_pt = true;730 731 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO);732 733 SET_RA_INFO_MACID(h2c_pkt, si->mac_id);734 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id);735 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv);736 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable);737 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode);738 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en);739 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask);740 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable);741 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt);742 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff));743 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8);744 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16);745 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24);746 747 si->init_ra_lv = 0;748 749 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);750}751 752void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect)753{754 u8 h2c_pkt[H2C_PKT_SIZE] = {0};755 756 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT);757 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect);758 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id);759 760 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);761}762 763void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev)764{765 struct rtw_traffic_stats *stats = &rtwdev->stats;766 struct rtw_dm_info *dm_info = &rtwdev->dm_info;767 u8 h2c_pkt[H2C_PKT_SIZE] = {0};768 769 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO);770 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput);771 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput);772 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate);773 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate);774 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]);775 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);776}777 778void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect,779 struct ieee80211_vif *vif)780{781 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;782 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);783 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100;784 struct rtw_sta_info *si =785 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL;786 s32 thold = RTW_DEFAULT_CQM_THOLD;787 u32 hyst = RTW_DEFAULT_CQM_HYST;788 u8 h2c_pkt[H2C_PKT_SIZE] = {0};789 790 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))791 return;792 793 if (bss_conf->cqm_rssi_thold)794 thold = bss_conf->cqm_rssi_thold;795 if (bss_conf->cqm_rssi_hyst)796 hyst = bss_conf->cqm_rssi_hyst;797 798 if (!connect) {799 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);800 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);801 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);802 803 return;804 }805 806 if (!si)807 return;808 809 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0);810 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid);811 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);812 813 memset(h2c_pkt, 0, sizeof(h2c_pkt));814 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max);815 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);816 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);817 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt,818 BCN_FILTER_OFFLOAD_MODE_DEFAULT);819 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold);820 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT);821 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id);822 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst);823 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int);824 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);825}826 827void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev)828{829 struct rtw_lps_conf *conf = &rtwdev->lps_conf;830 u8 h2c_pkt[H2C_PKT_SIZE] = {0};831 832 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE);833 834 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode);835 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm);836 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps);837 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval);838 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id);839 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state);840 841 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);842}843 844void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable)845{846 u8 h2c_pkt[H2C_PKT_SIZE] = {0};847 struct rtw_fw_wow_keep_alive_para mode = {848 .adopt = true,849 .pkt_type = KEEP_ALIVE_NULL_PKT,850 .period = 5,851 };852 853 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE);854 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable);855 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt);856 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type);857 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period);858 859 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);860}861 862void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable)863{864 struct rtw_wow_param *rtw_wow = &rtwdev->wow;865 u8 h2c_pkt[H2C_PKT_SIZE] = {0};866 struct rtw_fw_wow_disconnect_para mode = {867 .adopt = true,868 .period = 30,869 .retry_count = 5,870 };871 872 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION);873 874 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) {875 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable);876 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt);877 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period);878 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count);879 }880 881 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);882}883 884void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)885{886 struct rtw_wow_param *rtw_wow = &rtwdev->wow;887 u8 h2c_pkt[H2C_PKT_SIZE] = {0};888 889 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN);890 891 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable);892 if (rtw_wow_mgd_linked(rtwdev)) {893 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))894 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable);895 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags))896 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable);897 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags))898 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable);899 if (rtw_wow->pattern_cnt)900 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable);901 }902 903 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);904}905 906void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev,907 u8 pairwise_key_enc,908 u8 group_key_enc)909{910 u8 h2c_pkt[H2C_PKT_SIZE] = {0};911 912 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO);913 914 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc);915 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc);916 917 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);918}919 920void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)921{922 u8 h2c_pkt[H2C_PKT_SIZE] = {0};923 924 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL);925 926 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable);927 928 if (rtw_wow_no_link(rtwdev))929 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable);930 931 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);932}933 934static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev,935 enum rtw_rsvd_packet_type type)936{937 struct rtw_rsvd_page *rsvd_pkt;938 u8 location = 0;939 940 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {941 if (type == rsvd_pkt->type)942 location = rsvd_pkt->page;943 }944 945 return location;946}947 948void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable)949{950 u8 h2c_pkt[H2C_PKT_SIZE] = {0};951 u8 loc_nlo;952 953 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO);954 955 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO);956 957 SET_NLO_FUN_EN(h2c_pkt, enable);958 if (enable) {959 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE)960 SET_NLO_PS_32K(h2c_pkt, enable);961 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable);962 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo);963 }964 965 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);966}967 968void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev)969{970 u8 h2c_pkt[H2C_PKT_SIZE] = {0};971 972 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV);973 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1);974 975 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);976}977 978void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)979{980 struct rtw_lps_conf *conf = &rtwdev->lps_conf;981 u8 h2c_pkt[H2C_PKT_SIZE] = {0};982 u8 loc_pg, loc_dpk;983 984 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO);985 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK);986 987 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO);988 989 LPS_PG_INFO_LOC(h2c_pkt, loc_pg);990 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk);991 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup);992 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup);993 994 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);995}996 997static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,998 struct cfg80211_ssid *ssid)999{1000 struct rtw_rsvd_page *rsvd_pkt;1001 u8 location = 0;1002 1003 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {1004 if (rsvd_pkt->type != RSVD_PROBE_REQ)1005 continue;1006 if ((!ssid && !rsvd_pkt->ssid) ||1007 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid))1008 location = rsvd_pkt->page;1009 }1010 1011 return location;1012}1013 1014static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,1015 struct cfg80211_ssid *ssid)1016{1017 struct rtw_rsvd_page *rsvd_pkt;1018 u16 size = 0;1019 1020 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {1021 if (rsvd_pkt->type != RSVD_PROBE_REQ)1022 continue;1023 if ((!ssid && !rsvd_pkt->ssid) ||1024 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid))1025 size = rsvd_pkt->probe_req_size;1026 }1027 1028 return size;1029}1030 1031void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev)1032{1033 u8 h2c_pkt[H2C_PKT_SIZE] = {0};1034 u8 location = 0;1035 1036 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE);1037 1038 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP);1039 *(h2c_pkt + 1) = location;1040 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location);1041 1042 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL);1043 *(h2c_pkt + 2) = location;1044 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location);1045 1046 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL);1047 *(h2c_pkt + 3) = location;1048 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location);1049 1050 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL);1051 *(h2c_pkt + 4) = location;1052 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location);1053 1054 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);1055}1056 1057static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw)1058{1059 struct rtw_dev *rtwdev = hw->priv;1060 const struct rtw_chip_info *chip = rtwdev->chip;1061 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;1062 struct rtw_nlo_info_hdr *nlo_hdr;1063 struct cfg80211_ssid *ssid;1064 struct sk_buff *skb;1065 u8 *pos, loc;1066 u32 size;1067 int i;1068 1069 if (!pno_req->inited || !pno_req->match_set_cnt)1070 return NULL;1071 1072 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt *1073 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz;1074 1075 skb = alloc_skb(size, GFP_KERNEL);1076 if (!skb)1077 return NULL;1078 1079 skb_reserve(skb, chip->tx_pkt_desc_sz);1080 1081 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr));1082 1083 nlo_hdr->nlo_count = pno_req->match_set_cnt;1084 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt;1085 1086 /* pattern check for firmware */1087 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE);1088 1089 for (i = 0; i < pno_req->match_set_cnt; i++)1090 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len;1091 1092 for (i = 0; i < pno_req->match_set_cnt; i++) {1093 ssid = &pno_req->match_sets[i].ssid;1094 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);1095 if (!loc) {1096 rtw_err(rtwdev, "failed to get probe req rsvd loc\n");1097 kfree_skb(skb);1098 return NULL;1099 }1100 nlo_hdr->location[i] = loc;1101 }1102 1103 for (i = 0; i < pno_req->match_set_cnt; i++) {1104 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN);1105 memcpy(pos, pno_req->match_sets[i].ssid.ssid,1106 pno_req->match_sets[i].ssid.ssid_len);1107 }1108 1109 return skb;1110}1111 1112static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw)1113{1114 struct rtw_dev *rtwdev = hw->priv;1115 const struct rtw_chip_info *chip = rtwdev->chip;1116 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;1117 struct ieee80211_channel *channels = pno_req->channels;1118 struct sk_buff *skb;1119 int count = pno_req->channel_cnt;1120 u8 *pos;1121 int i = 0;1122 1123 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL);1124 if (!skb)1125 return NULL;1126 1127 skb_reserve(skb, chip->tx_pkt_desc_sz);1128 1129 for (i = 0; i < count; i++) {1130 pos = skb_put_zero(skb, 4);1131 1132 CHSW_INFO_SET_CH(pos, channels[i].hw_value);1133 1134 if (channels[i].flags & IEEE80211_CHAN_RADAR)1135 CHSW_INFO_SET_ACTION_ID(pos, 0);1136 else1137 CHSW_INFO_SET_ACTION_ID(pos, 1);1138 CHSW_INFO_SET_TIMEOUT(pos, 1);1139 CHSW_INFO_SET_PRI_CH_IDX(pos, 1);1140 CHSW_INFO_SET_BW(pos, 0);1141 }1142 1143 return skb;1144}1145 1146static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw)1147{1148 struct rtw_dev *rtwdev = hw->priv;1149 const struct rtw_chip_info *chip = rtwdev->chip;1150 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;1151 struct rtw_lps_pg_dpk_hdr *dpk_hdr;1152 struct sk_buff *skb;1153 u32 size;1154 1155 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr);1156 skb = alloc_skb(size, GFP_KERNEL);1157 if (!skb)1158 return NULL;1159 1160 skb_reserve(skb, chip->tx_pkt_desc_sz);1161 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr));1162 dpk_hdr->dpk_ch = dpk_info->dpk_ch;1163 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0];1164 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2);1165 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4);1166 memcpy(dpk_hdr->coef, dpk_info->coef, 160);1167 1168 return skb;1169}1170 1171static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw)1172{1173 struct rtw_dev *rtwdev = hw->priv;1174 const struct rtw_chip_info *chip = rtwdev->chip;1175 struct rtw_lps_conf *conf = &rtwdev->lps_conf;1176 struct rtw_lps_pg_info_hdr *pg_info_hdr;1177 struct rtw_wow_param *rtw_wow = &rtwdev->wow;1178 struct sk_buff *skb;1179 u32 size;1180 1181 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr);1182 skb = alloc_skb(size, GFP_KERNEL);1183 if (!skb)1184 return NULL;1185 1186 skb_reserve(skb, chip->tx_pkt_desc_sz);1187 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr));1188 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num;1189 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);1190 pg_info_hdr->sec_cam_count =1191 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam);1192 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt;1193 1194 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0;1195 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0;1196 1197 return skb;1198}1199 1200static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw,1201 struct rtw_rsvd_page *rsvd_pkt)1202{1203 struct ieee80211_vif *vif;1204 struct rtw_vif *rtwvif;1205 struct sk_buff *skb_new;1206 struct cfg80211_ssid *ssid;1207 u16 tim_offset = 0;1208 1209 if (rsvd_pkt->type == RSVD_DUMMY) {1210 skb_new = alloc_skb(1, GFP_KERNEL);1211 if (!skb_new)1212 return NULL;1213 1214 skb_put(skb_new, 1);1215 return skb_new;1216 }1217 1218 rtwvif = rsvd_pkt->rtwvif;1219 if (!rtwvif)1220 return NULL;1221 1222 vif = rtwvif_to_vif(rtwvif);1223 1224 switch (rsvd_pkt->type) {1225 case RSVD_BEACON:1226 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0);1227 rsvd_pkt->tim_offset = tim_offset;1228 break;1229 case RSVD_PS_POLL:1230 skb_new = ieee80211_pspoll_get(hw, vif);1231 break;1232 case RSVD_PROBE_RESP:1233 skb_new = ieee80211_proberesp_get(hw, vif);1234 break;1235 case RSVD_NULL:1236 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false);1237 break;1238 case RSVD_QOS_NULL:1239 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true);1240 break;1241 case RSVD_LPS_PG_DPK:1242 skb_new = rtw_lps_pg_dpk_get(hw);1243 break;1244 case RSVD_LPS_PG_INFO:1245 skb_new = rtw_lps_pg_info_get(hw);1246 break;1247 case RSVD_PROBE_REQ:1248 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid;1249 if (ssid)1250 skb_new = ieee80211_probereq_get(hw, vif->addr,1251 ssid->ssid,1252 ssid->ssid_len, 0);1253 else1254 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0);1255 if (skb_new)1256 rsvd_pkt->probe_req_size = (u16)skb_new->len;1257 break;1258 case RSVD_NLO_INFO:1259 skb_new = rtw_nlo_info_get(hw);1260 break;1261 case RSVD_CH_INFO:1262 skb_new = rtw_cs_channel_info_get(hw);1263 break;1264 default:1265 return NULL;1266 }1267 1268 if (!skb_new)1269 return NULL;1270 1271 return skb_new;1272}1273 1274static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb,1275 enum rtw_rsvd_packet_type type)1276{1277 struct rtw_tx_pkt_info pkt_info = {0};1278 const struct rtw_chip_info *chip = rtwdev->chip;1279 u8 *pkt_desc;1280 1281 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type);1282 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz);1283 memset(pkt_desc, 0, chip->tx_pkt_desc_sz);1284 rtw_tx_fill_tx_desc(&pkt_info, skb);1285}1286 1287static inline u8 rtw_len_to_page(unsigned int len, u8 page_size)1288{1289 return DIV_ROUND_UP(len, page_size);1290}1291 1292static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size,1293 u8 page_margin, u32 page, u8 *buf,1294 struct rtw_rsvd_page *rsvd_pkt)1295{1296 struct sk_buff *skb = rsvd_pkt->skb;1297 1298 if (page >= 1)1299 memcpy(buf + page_margin + page_size * (page - 1),1300 skb->data, skb->len);1301 else1302 memcpy(buf, skb->data, skb->len);1303}1304 1305static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev,1306 enum rtw_rsvd_packet_type type,1307 bool txdesc)1308{1309 struct rtw_rsvd_page *rsvd_pkt = NULL;1310 1311 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL);1312 1313 if (!rsvd_pkt)1314 return NULL;1315 1316 INIT_LIST_HEAD(&rsvd_pkt->vif_list);1317 INIT_LIST_HEAD(&rsvd_pkt->build_list);1318 rsvd_pkt->type = type;1319 rsvd_pkt->add_txdesc = txdesc;1320 1321 return rsvd_pkt;1322}1323 1324static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev,1325 struct rtw_vif *rtwvif,1326 struct rtw_rsvd_page *rsvd_pkt)1327{1328 lockdep_assert_held(&rtwdev->mutex);1329 1330 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list);1331}1332 1333static void rtw_add_rsvd_page(struct rtw_dev *rtwdev,1334 struct rtw_vif *rtwvif,1335 enum rtw_rsvd_packet_type type,1336 bool txdesc)1337{1338 struct rtw_rsvd_page *rsvd_pkt;1339 1340 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc);1341 if (!rsvd_pkt) {1342 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type);1343 return;1344 }1345 1346 rsvd_pkt->rtwvif = rtwvif;1347 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);1348}1349 1350static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev,1351 struct rtw_vif *rtwvif,1352 struct cfg80211_ssid *ssid)1353{1354 struct rtw_rsvd_page *rsvd_pkt;1355 1356 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true);1357 if (!rsvd_pkt) {1358 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n");1359 return;1360 }1361 1362 rsvd_pkt->rtwvif = rtwvif;1363 rsvd_pkt->ssid = ssid;1364 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);1365}1366 1367void rtw_remove_rsvd_page(struct rtw_dev *rtwdev,1368 struct rtw_vif *rtwvif)1369{1370 struct rtw_rsvd_page *rsvd_pkt, *tmp;1371 1372 lockdep_assert_held(&rtwdev->mutex);1373 1374 /* remove all of the rsvd pages for vif */1375 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list,1376 vif_list) {1377 list_del(&rsvd_pkt->vif_list);1378 if (!list_empty(&rsvd_pkt->build_list))1379 list_del(&rsvd_pkt->build_list);1380 kfree(rsvd_pkt);1381 }1382}1383 1384void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev,1385 struct rtw_vif *rtwvif)1386{1387 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);1388 1389 if (vif->type != NL80211_IFTYPE_AP &&1390 vif->type != NL80211_IFTYPE_ADHOC &&1391 vif->type != NL80211_IFTYPE_MESH_POINT) {1392 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n",1393 vif->type);1394 return;1395 }1396 1397 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false);1398}1399 1400void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev,1401 struct rtw_vif *rtwvif)1402{1403 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);1404 struct rtw_wow_param *rtw_wow = &rtwdev->wow;1405 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req;1406 struct cfg80211_ssid *ssid;1407 int i;1408 1409 if (vif->type != NL80211_IFTYPE_STATION) {1410 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n",1411 vif->type);1412 return;1413 }1414 1415 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) {1416 ssid = &rtw_pno_req->match_sets[i].ssid;1417 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid);1418 }1419 1420 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL);1421 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false);1422 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true);1423}1424 1425void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev,1426 struct rtw_vif *rtwvif)1427{1428 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);1429 1430 if (vif->type != NL80211_IFTYPE_STATION) {1431 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n",1432 vif->type);1433 return;1434 }1435 1436 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true);1437 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true);1438 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true);1439 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true);1440 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true);1441}1442 1443int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,1444 u8 *buf, u32 size)1445{1446 u8 bckp[2];1447 u8 val;1448 u16 rsvd_pg_head;1449 u32 bcn_valid_addr;1450 u32 bcn_valid_mask;1451 int ret;1452 1453 lockdep_assert_held(&rtwdev->mutex);1454 1455 if (!size)1456 return -EINVAL;1457 1458 if (rtw_chip_wcpu_11n(rtwdev)) {1459 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID);1460 } else {1461 pg_addr &= BIT_MASK_BCN_HEAD_1_V1;1462 pg_addr |= BIT_BCN_VALID_V1;1463 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr);1464 }1465 1466 val = rtw_read8(rtwdev, REG_CR + 1);1467 bckp[0] = val;1468 val |= BIT_ENSWBCN >> 8;1469 rtw_write8(rtwdev, REG_CR + 1, val);1470 1471 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) {1472 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);1473 bckp[1] = val;1474 val &= ~(BIT_EN_BCNQ_DL >> 16);1475 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);1476 }1477 1478 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);1479 if (ret) {1480 rtw_err(rtwdev, "failed to write data to rsvd page\n");1481 goto restore;1482 }1483 1484 if (rtw_chip_wcpu_11n(rtwdev)) {1485 bcn_valid_addr = REG_DWBCN0_CTRL;1486 bcn_valid_mask = BIT_BCN_VALID;1487 } else {1488 bcn_valid_addr = REG_FIFOPAGE_CTRL_2;1489 bcn_valid_mask = BIT_BCN_VALID_V1;1490 }1491 1492 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) {1493 rtw_err(rtwdev, "error beacon valid\n");1494 ret = -EBUSY;1495 }1496 1497restore:1498 rsvd_pg_head = rtwdev->fifo.rsvd_boundary;1499 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,1500 rsvd_pg_head | BIT_BCN_VALID_V1);1501 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE)1502 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);1503 rtw_write8(rtwdev, REG_CR + 1, bckp[0]);1504 1505 return ret;1506}1507 1508static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)1509{1510 u32 pg_size;1511 u32 pg_num = 0;1512 u16 pg_addr = 0;1513 1514 pg_size = rtwdev->chip->page_size;1515 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0);1516 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num)1517 return -ENOMEM;1518 1519 pg_addr = rtwdev->fifo.rsvd_drv_addr;1520 1521 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);1522}1523 1524static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev)1525{1526 struct rtw_rsvd_page *rsvd_pkt, *tmp;1527 1528 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list,1529 build_list) {1530 list_del_init(&rsvd_pkt->build_list);1531 1532 /* Don't free except for the dummy rsvd page,1533 * others will be freed when removing vif1534 */1535 if (rsvd_pkt->type == RSVD_DUMMY)1536 kfree(rsvd_pkt);1537 }1538}1539 1540static void rtw_build_rsvd_page_iter(void *data, u8 *mac,1541 struct ieee80211_vif *vif)1542{1543 struct rtw_dev *rtwdev = data;1544 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;1545 struct rtw_rsvd_page *rsvd_pkt;1546 1547 /* AP not yet started, don't gather its rsvd pages */1548 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active)1549 return;1550 1551 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) {1552 if (rsvd_pkt->type == RSVD_BEACON)1553 list_add(&rsvd_pkt->build_list,1554 &rtwdev->rsvd_page_list);1555 else1556 list_add_tail(&rsvd_pkt->build_list,1557 &rtwdev->rsvd_page_list);1558 }1559}1560 1561static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev)1562{1563 struct rtw_rsvd_page *rsvd_pkt;1564 1565 __rtw_build_rsvd_page_reset(rtwdev);1566 1567 /* gather rsvd page from vifs */1568 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev);1569 1570 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,1571 struct rtw_rsvd_page, build_list);1572 if (!rsvd_pkt) {1573 WARN(1, "Should not have an empty reserved page\n");1574 return -EINVAL;1575 }1576 1577 /* the first rsvd should be beacon, otherwise add a dummy one */1578 if (rsvd_pkt->type != RSVD_BEACON) {1579 struct rtw_rsvd_page *dummy_pkt;1580 1581 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false);1582 if (!dummy_pkt) {1583 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n");1584 return -ENOMEM;1585 }1586 1587 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list);1588 }1589 1590 return 0;1591}1592 1593static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size)1594{1595 struct ieee80211_hw *hw = rtwdev->hw;1596 const struct rtw_chip_info *chip = rtwdev->chip;1597 struct sk_buff *iter;1598 struct rtw_rsvd_page *rsvd_pkt;1599 u32 page = 0;1600 u8 total_page = 0;1601 u8 page_size, page_margin, tx_desc_sz;1602 u8 *buf;1603 int ret;1604 1605 page_size = chip->page_size;1606 tx_desc_sz = chip->tx_pkt_desc_sz;1607 page_margin = page_size - tx_desc_sz;1608 1609 ret = __rtw_build_rsvd_page_from_vifs(rtwdev);1610 if (ret) {1611 rtw_err(rtwdev,1612 "failed to build rsvd page from vifs, ret %d\n", ret);1613 return NULL;1614 }1615 1616 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {1617 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt);1618 if (!iter) {1619 rtw_err(rtwdev, "failed to build rsvd packet\n");1620 goto release_skb;1621 }1622 1623 /* Fill the tx_desc for the rsvd pkt that requires one.1624 * And iter->len will be added with size of tx_desc_sz.1625 */1626 if (rsvd_pkt->add_txdesc)1627 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type);1628 1629 rsvd_pkt->skb = iter;1630 rsvd_pkt->page = total_page;1631 1632 /* Reserved page is downloaded via TX path, and TX path will1633 * generate a tx_desc at the header to describe length of1634 * the buffer. If we are not counting page numbers with the1635 * size of tx_desc added at the first rsvd_pkt (usually a1636 * beacon, firmware default refer to the first page as the1637 * content of beacon), we could generate a buffer which size1638 * is smaller than the actual size of the whole rsvd_page1639 */1640 if (total_page == 0) {1641 if (rsvd_pkt->type != RSVD_BEACON &&1642 rsvd_pkt->type != RSVD_DUMMY) {1643 rtw_err(rtwdev, "first page should be a beacon\n");1644 goto release_skb;1645 }1646 total_page += rtw_len_to_page(iter->len + tx_desc_sz,1647 page_size);1648 } else {1649 total_page += rtw_len_to_page(iter->len, page_size);1650 }1651 }1652 1653 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) {1654 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page);1655 goto release_skb;1656 }1657 1658 *size = (total_page - 1) * page_size + page_margin;1659 buf = kzalloc(*size, GFP_KERNEL);1660 if (!buf)1661 goto release_skb;1662 1663 /* Copy the content of each rsvd_pkt to the buf, and they should1664 * be aligned to the pages.1665 *1666 * Note that the first rsvd_pkt is a beacon no matter what vif->type.1667 * And that rsvd_pkt does not require tx_desc because when it goes1668 * through TX path, the TX path will generate one for it.1669 */1670 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {1671 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin,1672 page, buf, rsvd_pkt);1673 if (page == 0)1674 page += rtw_len_to_page(rsvd_pkt->skb->len +1675 tx_desc_sz, page_size);1676 else1677 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size);1678 1679 kfree_skb(rsvd_pkt->skb);1680 rsvd_pkt->skb = NULL;1681 }1682 1683 return buf;1684 1685release_skb:1686 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {1687 kfree_skb(rsvd_pkt->skb);1688 rsvd_pkt->skb = NULL;1689 }1690 1691 return NULL;1692}1693 1694static int rtw_download_beacon(struct rtw_dev *rtwdev)1695{1696 struct ieee80211_hw *hw = rtwdev->hw;1697 struct rtw_rsvd_page *rsvd_pkt;1698 struct sk_buff *skb;1699 int ret = 0;1700 1701 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,1702 struct rtw_rsvd_page, build_list);1703 if (!rsvd_pkt) {1704 rtw_err(rtwdev, "failed to get rsvd page from build list\n");1705 return -ENOENT;1706 }1707 1708 if (rsvd_pkt->type != RSVD_BEACON &&1709 rsvd_pkt->type != RSVD_DUMMY) {1710 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n",1711 rsvd_pkt->type);1712 return -EINVAL;1713 }1714 1715 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt);1716 if (!skb) {1717 rtw_err(rtwdev, "failed to get beacon skb\n");1718 return -ENOMEM;1719 }1720 1721 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len);1722 if (ret)1723 rtw_err(rtwdev, "failed to download drv rsvd page\n");1724 1725 dev_kfree_skb(skb);1726 1727 return ret;1728}1729 1730int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev)1731{1732 u8 *buf;1733 u32 size;1734 int ret;1735 1736 buf = rtw_build_rsvd_page(rtwdev, &size);1737 if (!buf) {1738 rtw_err(rtwdev, "failed to build rsvd page pkt\n");1739 return -ENOMEM;1740 }1741 1742 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size);1743 if (ret) {1744 rtw_err(rtwdev, "failed to download drv rsvd page\n");1745 goto free;1746 }1747 1748 /* The last thing is to download the *ONLY* beacon again, because1749 * the previous tx_desc is to describe the total rsvd page. Download1750 * the beacon again to replace the TX desc header, and we will get1751 * a correct tx_desc for the beacon in the rsvd page.1752 */1753 ret = rtw_download_beacon(rtwdev);1754 if (ret) {1755 rtw_err(rtwdev, "failed to download beacon\n");1756 goto free;1757 }1758 1759free:1760 kfree(buf);1761 1762 return ret;1763}1764 1765void rtw_fw_update_beacon_work(struct work_struct *work)1766{1767 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,1768 update_beacon_work);1769 1770 mutex_lock(&rtwdev->mutex);1771 rtw_fw_download_rsvd_page(rtwdev);1772 rtw_send_rsvd_page_h2c(rtwdev);1773 mutex_unlock(&rtwdev->mutex);1774}1775 1776static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size,1777 u32 *buf, u32 residue, u16 start_pg)1778{1779 u32 i;1780 u16 idx = 0;1781 u16 ctl;1782 1783 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000;1784 /* disable rx clock gate */1785 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK);1786 1787 do {1788 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl);1789 1790 for (i = FIFO_DUMP_ADDR + residue;1791 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) {1792 buf[idx++] = rtw_read32(rtwdev, i);1793 size -= 4;1794 if (size == 0)1795 goto out;1796 }1797 1798 residue = 0;1799 start_pg++;1800 } while (size);1801 1802out:1803 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl);1804 /* restore rx clock gate */1805 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK);1806}1807 1808static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel,1809 u32 offset, u32 size, u32 *buf)1810{1811 const struct rtw_chip_info *chip = rtwdev->chip;1812 u32 start_pg, residue;1813 1814 if (sel >= RTW_FW_FIFO_MAX) {1815 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n");1816 return;1817 }1818 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE)1819 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT;1820 residue = offset & (FIFO_PAGE_SIZE - 1);1821 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel];1822 1823 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg);1824}1825 1826static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev,1827 enum rtw_fw_fifo_sel sel,1828 u32 start_addr, u32 size)1829{1830 switch (sel) {1831 case RTW_FW_FIFO_SEL_TX:1832 case RTW_FW_FIFO_SEL_RX:1833 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel])1834 return false;1835 fallthrough;1836 default:1837 return true;1838 }1839}1840 1841int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size,1842 u32 *buffer)1843{1844 if (!rtwdev->chip->fw_fifo_addr[0]) {1845 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n");1846 return -ENOTSUPP;1847 }1848 1849 if (size == 0 || !buffer)1850 return -EINVAL;1851 1852 if (size & 0x3) {1853 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n");1854 return -EINVAL;1855 }1856 1857 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) {1858 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n");1859 return -EINVAL;1860 }1861 1862 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer);1863 1864 return 0;1865}1866 1867static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size,1868 u8 location)1869{1870 const struct rtw_chip_info *chip = rtwdev->chip;1871 u8 h2c_pkt[H2C_PKT_SIZE] = {0};1872 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN;1873 1874 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT);1875 1876 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);1877 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id);1878 UPDATE_PKT_SET_LOCATION(h2c_pkt, location);1879 1880 /* include txdesc size */1881 size += chip->tx_pkt_desc_sz;1882 UPDATE_PKT_SET_SIZE(h2c_pkt, size);1883 1884 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);1885}1886 1887void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,1888 struct cfg80211_ssid *ssid)1889{1890 u8 loc;1891 u16 size;1892 1893 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);1894 if (!loc) {1895 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n");1896 return;1897 }1898 1899 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid);1900 if (!size) {1901 rtw_err(rtwdev, "failed to get probe_req rsvd size\n");1902 return;1903 }1904 1905 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc);1906}1907 1908void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable)1909{1910 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req;1911 u8 h2c_pkt[H2C_PKT_SIZE] = {0};1912 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN;1913 u8 loc_ch_info;1914 const struct rtw_ch_switch_option cs_option = {1915 .dest_ch_en = 1,1916 .dest_ch = 1,1917 .periodic_option = 2,1918 .normal_period = 5,1919 .normal_period_sel = 0,1920 .normal_cycle = 10,1921 .slow_period = 1,1922 .slow_period_sel = 1,1923 };1924 1925 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH);1926 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);1927 1928 CH_SWITCH_SET_START(h2c_pkt, enable);1929 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en);1930 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch);1931 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period);1932 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel);1933 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period);1934 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel);1935 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle);1936 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option);1937 1938 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt);1939 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4);1940 1941 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO);1942 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info);1943 1944 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);1945}1946 1947void rtw_fw_adaptivity(struct rtw_dev *rtwdev)1948{1949 struct rtw_dm_info *dm_info = &rtwdev->dm_info;1950 u8 h2c_pkt[H2C_PKT_SIZE] = {0};1951 1952 if (!rtw_edcca_enabled) {1953 dm_info->edcca_mode = RTW_EDCCA_NORMAL;1954 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,1955 "EDCCA disabled by debugfs\n");1956 }1957 1958 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY);1959 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode);1960 SET_ADAPTIVITY_OPTION(h2c_pkt, 1);1961 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]);1962 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini);1963 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density);1964 1965 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);1966}1967 1968void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start)1969{1970 u8 h2c_pkt[H2C_PKT_SIZE] = {0};1971 1972 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN);1973 SET_SCAN_START(h2c_pkt, start);1974 1975 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);1976}1977 1978static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb,1979 struct sk_buff_head *list, u8 *bands,1980 struct rtw_vif *rtwvif)1981{1982 const struct rtw_chip_info *chip = rtwdev->chip;1983 struct ieee80211_scan_ies *ies = rtwvif->scan_ies;1984 struct sk_buff *new;1985 u8 idx;1986 1987 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) {1988 if (!(BIT(idx) & chip->band))1989 continue;1990 new = skb_copy(skb, GFP_KERNEL);1991 if (!new)1992 return -ENOMEM;1993 skb_put_data(new, ies->ies[idx], ies->len[idx]);1994 skb_put_data(new, ies->common_ies, ies->common_ie_len);1995 skb_queue_tail(list, new);1996 (*bands)++;1997 }1998 1999 return 0;2000}2001 2002static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes,2003 struct sk_buff_head *probe_req_list)2004{2005 const struct rtw_chip_info *chip = rtwdev->chip;2006 struct sk_buff *skb, *tmp;2007 u8 page_offset = 1, *buf, page_size = chip->page_size;2008 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc;2009 u16 buf_offset = page_size * page_offset;2010 u8 tx_desc_sz = chip->tx_pkt_desc_sz;2011 u8 page_cnt, pages;2012 unsigned int pkt_len;2013 int ret;2014 2015 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM))2016 page_cnt = RTW_OLD_PROBE_PG_CNT;2017 else2018 page_cnt = RTW_PROBE_PG_CNT;2019 2020 pages = page_offset + num_probes * page_cnt;2021 2022 buf = kzalloc(page_size * pages, GFP_KERNEL);2023 if (!buf)2024 return -ENOMEM;2025 2026 buf_offset -= tx_desc_sz;2027 skb_queue_walk_safe(probe_req_list, skb, tmp) {2028 skb_unlink(skb, probe_req_list);2029 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ);2030 if (skb->len > page_size * page_cnt) {2031 ret = -EINVAL;2032 goto out;2033 }2034 2035 memcpy(buf + buf_offset, skb->data, skb->len);2036 pkt_len = skb->len - tx_desc_sz;2037 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset;2038 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc);2039 2040 buf_offset += page_cnt * page_size;2041 page_offset += page_cnt;2042 kfree_skb(skb);2043 }2044 2045 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset);2046 if (ret) {2047 rtw_err(rtwdev, "Download probe request to firmware failed\n");2048 goto out;2049 }2050 2051 rtwdev->scan_info.probe_pg_size = page_offset;2052out:2053 kfree(buf);2054 skb_queue_walk_safe(probe_req_list, skb, tmp)2055 kfree_skb(skb);2056 2057 return ret;2058}2059 2060static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev,2061 struct rtw_vif *rtwvif)2062{2063 struct cfg80211_scan_request *req = rtwvif->scan_req;2064 struct sk_buff_head list;2065 struct sk_buff *skb, *tmp;2066 u8 num = req->n_ssids, i, bands = 0;2067 int ret;2068 2069 skb_queue_head_init(&list);2070 for (i = 0; i < num; i++) {2071 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr,2072 req->ssids[i].ssid,2073 req->ssids[i].ssid_len,2074 req->ie_len);2075 if (!skb) {2076 ret = -ENOMEM;2077 goto out;2078 }2079 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands,2080 rtwvif);2081 if (ret)2082 goto out;2083 2084 kfree_skb(skb);2085 }2086 2087 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list);2088 2089out:2090 skb_queue_walk_safe(&list, skb, tmp)2091 kfree_skb(skb);2092 2093 return ret;2094}2095 2096static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info,2097 struct rtw_chan_list *list, u8 *buf)2098{2099 u8 *chan = &buf[list->size];2100 u8 info_size = RTW_CH_INFO_SIZE;2101 2102 if (list->size > list->buf_size)2103 return -ENOMEM;2104 2105 CH_INFO_SET_CH(chan, info->channel);2106 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx);2107 CH_INFO_SET_BW(chan, info->bw);2108 CH_INFO_SET_TIMEOUT(chan, info->timeout);2109 CH_INFO_SET_ACTION_ID(chan, info->action_id);2110 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info);2111 if (info->extra_info) {2112 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS);2113 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN);2114 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE -2115 RTW_EX_CH_INFO_HDR_SIZE);2116 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME);2117 info_size += RTW_EX_CH_INFO_SIZE;2118 }2119 list->size += info_size;2120 list->ch_num++;2121 2122 return 0;2123}2124 2125static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,2126 struct rtw_chan_list *list, u8 *buf)2127{2128 struct cfg80211_scan_request *req = rtwvif->scan_req;2129 struct rtw_fifo_conf *fifo = &rtwdev->fifo;2130 struct ieee80211_channel *channel;2131 int i, ret = 0;2132 2133 for (i = 0; i < req->n_channels; i++) {2134 struct rtw_chan_info ch_info = {0};2135 2136 channel = req->channels[i];2137 ch_info.channel = channel->hw_value;2138 ch_info.bw = RTW_SCAN_WIDTH;2139 ch_info.pri_ch_idx = RTW_PRI_CH_IDX;2140 ch_info.timeout = req->duration_mandatory ?2141 req->duration : RTW_CHANNEL_TIME;2142 2143 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) {2144 ch_info.action_id = RTW_CHANNEL_RADAR;2145 ch_info.extra_info = 1;2146 /* Overwrite duration for passive scans if necessary */2147 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ?2148 ch_info.timeout : RTW_PASS_CHAN_TIME;2149 } else {2150 ch_info.action_id = RTW_CHANNEL_ACTIVE;2151 }2152 2153 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf);2154 if (ret)2155 return ret;2156 }2157 2158 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) {2159 rtw_err(rtwdev, "List exceeds rsvd page total size\n");2160 return -EINVAL;2161 }2162 2163 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size;2164 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size);2165 if (ret)2166 rtw_err(rtwdev, "Download channel list failed\n");2167 2168 return ret;2169}2170 2171static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev,2172 struct rtw_ch_switch_option *opt,2173 struct rtw_vif *rtwvif,2174 struct rtw_chan_list *list)2175{2176 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;2177 struct cfg80211_scan_request *req = rtwvif->scan_req;2178 struct rtw_fifo_conf *fifo = &rtwdev->fifo;2179 /* reserve one dummy page at the beginning for tx descriptor */2180 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1;2181 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN;2182 u8 h2c_pkt[H2C_PKT_SIZE] = {0};2183 2184 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD);2185 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN);2186 2187 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en);2188 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en);2189 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq);2190 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck);2191 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num);2192 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size);2193 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary);2194 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan);2195 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx);2196 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw);2197 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port);2198 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ?2199 req->duration : RTW_CHANNEL_TIME);2200 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME);2201 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids);2202 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc);2203 2204 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);2205}2206 2207void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,2208 struct ieee80211_scan_request *scan_req)2209{2210 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;2211 struct cfg80211_scan_request *req = &scan_req->req;2212 u8 mac_addr[ETH_ALEN];2213 2214 rtwdev->scan_info.scanning_vif = vif;2215 rtwvif->scan_ies = &scan_req->ies;2216 rtwvif->scan_req = req;2217 2218 ieee80211_stop_queues(rtwdev->hw);2219 rtw_leave_lps_deep(rtwdev);2220 rtw_hci_flush_all_queues(rtwdev, false);2221 rtw_mac_flush_all_queues(rtwdev, false);2222 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)2223 get_random_mask_addr(mac_addr, req->mac_addr,2224 req->mac_addr_mask);2225 else2226 ether_addr_copy(mac_addr, vif->addr);2227 2228 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true);2229 2230 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN;2231 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);2232}2233 2234void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,2235 bool aborted)2236{2237 struct cfg80211_scan_info info = {2238 .aborted = aborted,2239 };2240 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;2241 struct rtw_hal *hal = &rtwdev->hal;2242 struct rtw_vif *rtwvif;2243 u8 chan = scan_info->op_chan;2244 2245 if (!vif)2246 return;2247 2248 rtwdev->hal.rcr |= BIT_CBSSID_BCN;2249 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);2250 2251 rtw_core_scan_complete(rtwdev, vif, true);2252 2253 rtwvif = (struct rtw_vif *)vif->drv_priv;2254 if (chan)2255 rtw_store_op_chan(rtwdev, false);2256 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);2257 ieee80211_wake_queues(rtwdev->hw);2258 ieee80211_scan_completed(rtwdev->hw, &info);2259 2260 rtwvif->scan_req = NULL;2261 rtwvif->scan_ies = NULL;2262 rtwdev->scan_info.scanning_vif = NULL;2263}2264 2265static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,2266 struct rtw_chan_list *list)2267{2268 struct cfg80211_scan_request *req = rtwvif->scan_req;2269 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE);2270 u8 *buf;2271 int ret;2272 2273 buf = kmalloc(size, GFP_KERNEL);2274 if (!buf)2275 return -ENOMEM;2276 2277 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif);2278 if (ret) {2279 rtw_err(rtwdev, "Update probe request failed\n");2280 goto out;2281 }2282 2283 list->buf_size = size;2284 list->size = 0;2285 list->ch_num = 0;2286 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf);2287out:2288 kfree(buf);2289 2290 return ret;2291}2292 2293int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,2294 bool enable)2295{2296 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL;2297 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;2298 struct rtw_ch_switch_option cs_option = {0};2299 struct rtw_chan_list chan_list = {0};2300 int ret = 0;2301 2302 if (!rtwvif)2303 return -EINVAL;2304 2305 cs_option.switch_en = enable;2306 cs_option.back_op_en = scan_info->op_chan != 0;2307 if (enable) {2308 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list);2309 if (ret)2310 goto out;2311 }2312 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list);2313out:2314 if (rtwdev->ap_active) {2315 ret = rtw_download_beacon(rtwdev);2316 if (ret)2317 rtw_err(rtwdev, "HW scan download beacon failed\n");2318 }2319 2320 return ret;2321}2322 2323void rtw_hw_scan_abort(struct rtw_dev *rtwdev)2324{2325 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;2326 2327 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))2328 return;2329 2330 rtw_hw_scan_offload(rtwdev, vif, false);2331 rtw_hw_scan_complete(rtwdev, vif, true);2332}2333 2334void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb)2335{2336 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;2337 struct rtw_c2h_cmd *c2h;2338 bool aborted;2339 u8 rc;2340 2341 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))2342 return;2343 2344 c2h = get_c2h_from_skb(skb);2345 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload);2346 aborted = rc != RTW_SCAN_REPORT_SUCCESS;2347 rtw_hw_scan_complete(rtwdev, vif, aborted);2348 2349 if (aborted)2350 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc);2351}2352 2353void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup)2354{2355 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;2356 struct rtw_hal *hal = &rtwdev->hal;2357 u8 band;2358 2359 if (backup) {2360 scan_info->op_chan = hal->current_channel;2361 scan_info->op_bw = hal->current_band_width;2362 scan_info->op_pri_ch_idx = hal->current_primary_channel_index;2363 scan_info->op_pri_ch = hal->primary_channel;2364 } else {2365 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;2366 rtw_update_channel(rtwdev, scan_info->op_chan,2367 scan_info->op_pri_ch,2368 band, scan_info->op_bw);2369 }2370}2371 2372void rtw_clear_op_chan(struct rtw_dev *rtwdev)2373{2374 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;2375 2376 scan_info->op_chan = 0;2377 scan_info->op_bw = 0;2378 scan_info->op_pri_ch_idx = 0;2379 scan_info->op_pri_ch = 0;2380}2381 2382static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel)2383{2384 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;2385 2386 return channel == scan_info->op_chan;2387}2388 2389void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb)2390{2391 struct rtw_hal *hal = &rtwdev->hal;2392 struct rtw_c2h_cmd *c2h;2393 enum rtw_scan_notify_id id;2394 u8 chan, band, status;2395 2396 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))2397 return;2398 2399 c2h = get_c2h_from_skb(skb);2400 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload);2401 id = GET_CHAN_SWITCH_ID(c2h->payload);2402 status = GET_CHAN_SWITCH_STATUS(c2h->payload);2403 2404 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) {2405 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;2406 rtw_update_channel(rtwdev, chan, chan, band,2407 RTW_CHANNEL_WIDTH_20);2408 if (rtw_is_op_chan(rtwdev, chan)) {2409 rtw_store_op_chan(rtwdev, false);2410 ieee80211_wake_queues(rtwdev->hw);2411 rtw_core_enable_beacon(rtwdev, true);2412 }2413 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) {2414 if (IS_CH_5G_BAND(chan)) {2415 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G);2416 } else if (IS_CH_2G_BAND(chan)) {2417 u8 chan_type;2418 2419 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))2420 chan_type = COEX_SWITCH_TO_24G;2421 else2422 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN;2423 rtw_coex_switchband_notify(rtwdev, chan_type);2424 }2425 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next2426 * channel that hardware will switch. We need to stop queue2427 * if next channel is non-op channel.2428 */2429 if (!rtw_is_op_chan(rtwdev, chan) &&2430 rtw_is_op_chan(rtwdev, hal->current_channel)) {2431 rtw_core_enable_beacon(rtwdev, false);2432 ieee80211_stop_queues(rtwdev->hw);2433 }2434 }2435 2436 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN,2437 "Chan switch: %x, id: %x, status: %x\n", chan, id, status);2438}2439