diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/fw.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/fw.c | 1587 |
1 files changed, 1587 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c new file mode 100644 index 000000000..40bcfabd2 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -0,0 +1,1587 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright(c) 2018-2019 Realtek Corporation + */ + +#include <linux/iopoll.h> + +#include "main.h" +#include "coex.h" +#include "fw.h" +#include "tx.h" +#include "reg.h" +#include "sec.h" +#include "debug.h" +#include "util.h" +#include "wow.h" + +static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev, + struct sk_buff *skb) +{ + struct rtw_c2h_cmd *c2h; + u8 sub_cmd_id; + + c2h = get_c2h_from_skb(skb); + sub_cmd_id = c2h->payload[0]; + + switch (sub_cmd_id) { + case C2H_CCX_RPT: + rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT); + break; + default: + break; + } +} + +static u16 get_max_amsdu_len(u32 bit_rate) +{ + /* lower than ofdm, do not aggregate */ + if (bit_rate < 550) + return 1; + + /* lower than 20M 2ss mcs8, make it small */ + if (bit_rate < 1800) + return 1200; + + /* lower than 40M 2ss mcs9, make it medium */ + if (bit_rate < 4000) + return 2600; + + /* not yet 80M 2ss mcs8/9, make it twice regular packet size */ + if (bit_rate < 7000) + return 3500; + + /* unlimited */ + return 0; +} + +struct rtw_fw_iter_ra_data { + struct rtw_dev *rtwdev; + u8 *payload; +}; + +static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) +{ + struct rtw_fw_iter_ra_data *ra_data = data; + struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; + u8 mac_id, rate, sgi, bw; + u8 mcs, nss; + u32 bit_rate; + + mac_id = GET_RA_REPORT_MACID(ra_data->payload); + if (si->mac_id != mac_id) + return; + + si->ra_report.txrate.flags = 0; + + rate = GET_RA_REPORT_RATE(ra_data->payload); + sgi = GET_RA_REPORT_SGI(ra_data->payload); + bw = GET_RA_REPORT_BW(ra_data->payload); + + if (rate < DESC_RATEMCS0) { + si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); + goto legacy; + } + + rtw_desc_to_mcsrate(rate, &mcs, &nss); + if (rate >= DESC_RATEVHT1SS_MCS0) + si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; + else if (rate >= DESC_RATEMCS0) + si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; + + if (rate >= DESC_RATEMCS0) { + si->ra_report.txrate.mcs = mcs; + si->ra_report.txrate.nss = nss; + } + + if (sgi) + si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; + + if (bw == RTW_CHANNEL_WIDTH_80) + si->ra_report.txrate.bw = RATE_INFO_BW_80; + else if (bw == RTW_CHANNEL_WIDTH_40) + si->ra_report.txrate.bw = RATE_INFO_BW_40; + else + si->ra_report.txrate.bw = RATE_INFO_BW_20; + +legacy: + bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); + + si->ra_report.desc_rate = rate; + si->ra_report.bit_rate = bit_rate; + + sta->max_rc_amsdu_len = get_max_amsdu_len(bit_rate); +} + +static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, + u8 length) +{ + struct rtw_fw_iter_ra_data ra_data; + + if (WARN(length < 7, "invalid ra report c2h length\n")) + return; + + rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload); + ra_data.rtwdev = rtwdev; + ra_data.payload = payload; + rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); +} + +void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) +{ + struct rtw_c2h_cmd *c2h; + u32 pkt_offset; + u8 len; + + pkt_offset = *((u32 *)skb->cb); + c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); + len = skb->len - pkt_offset - 2; + + mutex_lock(&rtwdev->mutex); + + if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) + goto unlock; + + switch (c2h->id) { + case C2H_CCX_TX_RPT: + rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); + break; + case C2H_BT_INFO: + rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); + break; + case C2H_WLAN_INFO: + rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); + break; + case C2H_HALMAC: + rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); + break; + case C2H_RA_RPT: + rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); + break; + default: + rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); + break; + } + +unlock: + mutex_unlock(&rtwdev->mutex); +} + +void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, + struct sk_buff *skb) +{ + struct rtw_c2h_cmd *c2h; + u8 len; + + c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); + len = skb->len - pkt_offset - 2; + *((u32 *)skb->cb) = pkt_offset; + + rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", + c2h->id, c2h->seq, len); + + switch (c2h->id) { + case C2H_BT_MP_INFO: + rtw_coex_info_response(rtwdev, skb); + break; + default: + /* pass offset for further operation */ + *((u32 *)skb->cb) = pkt_offset; + skb_queue_tail(&rtwdev->c2h_queue, skb); + ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); + break; + } +} +EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); + +void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) +{ + if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) + rtw_fw_recovery(rtwdev); + else + rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); +} +EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); + +static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, + u8 *h2c) +{ + u8 box; + u8 box_state; + u32 box_reg, box_ex_reg; + int idx; + int ret; + + rtw_dbg(rtwdev, RTW_DBG_FW, + "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", + h2c[3], h2c[2], h2c[1], h2c[0], + h2c[7], h2c[6], h2c[5], h2c[4]); + + spin_lock(&rtwdev->h2c.lock); + + box = rtwdev->h2c.last_box_num; + switch (box) { + case 0: + box_reg = REG_HMEBOX0; + box_ex_reg = REG_HMEBOX0_EX; + break; + case 1: + box_reg = REG_HMEBOX1; + box_ex_reg = REG_HMEBOX1_EX; + break; + case 2: + box_reg = REG_HMEBOX2; + box_ex_reg = REG_HMEBOX2_EX; + break; + case 3: + box_reg = REG_HMEBOX3; + box_ex_reg = REG_HMEBOX3_EX; + break; + default: + WARN(1, "invalid h2c mail box number\n"); + goto out; + } + + ret = read_poll_timeout_atomic(rtw_read8, box_state, + !((box_state >> box) & 0x1), 100, 3000, + false, rtwdev, REG_HMETFR); + + if (ret) { + rtw_err(rtwdev, "failed to send h2c command\n"); + goto out; + } + + for (idx = 0; idx < 4; idx++) + rtw_write8(rtwdev, box_reg + idx, h2c[idx]); + for (idx = 0; idx < 4; idx++) + rtw_write8(rtwdev, box_ex_reg + idx, h2c[idx + 4]); + + if (++rtwdev->h2c.last_box_num >= 4) + rtwdev->h2c.last_box_num = 0; + +out: + spin_unlock(&rtwdev->h2c.lock); +} + +void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) +{ + rtw_fw_send_h2c_command(rtwdev, h2c); +} + +static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) +{ + int ret; + + spin_lock(&rtwdev->h2c.lock); + + FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); + ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); + if (ret) + rtw_err(rtwdev, "failed to send h2c packet\n"); + rtwdev->h2c.seq++; + + spin_unlock(&rtwdev->h2c.lock); +} + +void +rtw_fw_send_general_info(struct rtw_dev *rtwdev) +{ + struct rtw_fifo_conf *fifo = &rtwdev->fifo; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u16 total_size = H2C_PKT_HDR_SIZE + 4; + + if (rtw_chip_wcpu_11n(rtwdev)) + return; + + rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); + + SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); + + GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, + fifo->rsvd_fw_txbuf_addr - + fifo->rsvd_boundary); + + rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); +} + +void +rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) +{ + struct rtw_hal *hal = &rtwdev->hal; + struct rtw_efuse *efuse = &rtwdev->efuse; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u16 total_size = H2C_PKT_HDR_SIZE + 8; + u8 fw_rf_type = 0; + + if (rtw_chip_wcpu_11n(rtwdev)) + return; + + if (hal->rf_type == RF_1T1R) + fw_rf_type = FW_RF_1T1R; + else if (hal->rf_type == RF_2T2R) + fw_rf_type = FW_RF_2T2R; + + rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); + + SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); + PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); + PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); + PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); + PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); + PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); + + rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); +} + +void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u16 total_size = H2C_PKT_HDR_SIZE + 1; + + rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); + SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); + IQK_SET_CLEAR(h2c_pkt, para->clear); + IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); + + rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); +} +EXPORT_SYMBOL(rtw_fw_do_iqk); + +void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); + + SET_QUERY_BT_INFO(h2c_pkt, true); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); + + SET_WL_CH_INFO_LINK(h2c_pkt, link); + SET_WL_CH_INFO_CHNL(h2c_pkt, ch); + SET_WL_CH_INFO_BW(h2c_pkt, bw); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, + struct rtw_coex_info_req *req) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); + + SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); + SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); + SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); + SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); + SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u8 index = 0 - bt_pwr_dec_lvl; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); + + SET_BT_TX_POWER_INDEX(h2c_pkt, index); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); + + SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, + u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); + + SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); + SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); + SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); + SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); + SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); + + SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); + + SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); + SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); + SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); + SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); + SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u8 rssi = ewma_rssi_read(&si->avg_rssi); + bool stbc_en = si->stbc_en ? true : false; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); + + SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); + SET_RSSI_INFO_RSSI(h2c_pkt, rssi); + SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + bool no_update = si->updated; + bool disable_pt = true; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); + + SET_RA_INFO_MACID(h2c_pkt, si->mac_id); + SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); + SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); + SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); + SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); + SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); + SET_RA_INFO_NO_UPDATE(h2c_pkt, no_update); + SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); + SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); + SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); + SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); + SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); + SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); + + si->init_ra_lv = 0; + si->updated = true; + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); + MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); + MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) +{ + struct rtw_lps_conf *conf = &rtwdev->lps_conf; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); + + SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); + SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); + SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); + SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); + SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); + SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + struct rtw_fw_wow_keep_alive_para mode = { + .adopt = true, + .pkt_type = KEEP_ALIVE_NULL_PKT, + .period = 5, + }; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); + SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); + SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); + SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); + SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) +{ + struct rtw_wow_param *rtw_wow = &rtwdev->wow; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + struct rtw_fw_wow_disconnect_para mode = { + .adopt = true, + .period = 30, + .retry_count = 5, + }; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); + + if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { + SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); + SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); + SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); + SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); + } + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) +{ + struct rtw_wow_param *rtw_wow = &rtwdev->wow; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); + + SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); + if (rtw_wow_mgd_linked(rtwdev)) { + if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) + SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); + if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) + SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); + if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) + SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); + if (rtw_wow->pattern_cnt) + SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); + } + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, + u8 pairwise_key_enc, + u8 group_key_enc) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); + + SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); + SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); + + SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); + + if (rtw_wow_no_link(rtwdev)) + SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, + enum rtw_rsvd_packet_type type) +{ + struct rtw_rsvd_page *rsvd_pkt; + u8 location = 0; + + list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { + if (type == rsvd_pkt->type) + location = rsvd_pkt->page; + } + + return location; +} + +void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u8 loc_nlo; + + loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); + + SET_NLO_FUN_EN(h2c_pkt, enable); + if (enable) { + if (rtw_fw_lps_deep_mode) + SET_NLO_PS_32K(h2c_pkt, enable); + SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); + SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); + } + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) +{ + struct rtw_lps_conf *conf = &rtwdev->lps_conf; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u8 loc_pg, loc_dpk; + + loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); + loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); + + LPS_PG_INFO_LOC(h2c_pkt, loc_pg); + LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); + LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); + LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, + struct cfg80211_ssid *ssid) +{ + struct rtw_rsvd_page *rsvd_pkt; + u8 location = 0; + + list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { + if (rsvd_pkt->type != RSVD_PROBE_REQ) + continue; + if ((!ssid && !rsvd_pkt->ssid) || + rtw_ssid_equal(rsvd_pkt->ssid, ssid)) + location = rsvd_pkt->page; + } + + return location; +} + +static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, + struct cfg80211_ssid *ssid) +{ + struct rtw_rsvd_page *rsvd_pkt; + u16 size = 0; + + list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { + if (rsvd_pkt->type != RSVD_PROBE_REQ) + continue; + if ((!ssid && !rsvd_pkt->ssid) || + rtw_ssid_equal(rsvd_pkt->ssid, ssid)) + size = rsvd_pkt->probe_req_size; + } + + return size; +} + +void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u8 location = 0; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); + + location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); + *(h2c_pkt + 1) = location; + rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); + + location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); + *(h2c_pkt + 2) = location; + rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); + + location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); + *(h2c_pkt + 3) = location; + rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); + + location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); + *(h2c_pkt + 4) = location; + rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + +static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) +{ + struct rtw_dev *rtwdev = hw->priv; + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; + struct rtw_nlo_info_hdr *nlo_hdr; + struct cfg80211_ssid *ssid; + struct sk_buff *skb; + u8 *pos, loc; + u32 size; + int i; + + if (!pno_req->inited || !pno_req->match_set_cnt) + return NULL; + + size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * + IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; + + skb = alloc_skb(size, GFP_KERNEL); + if (!skb) + return NULL; + + skb_reserve(skb, chip->tx_pkt_desc_sz); + + nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); + + nlo_hdr->nlo_count = pno_req->match_set_cnt; + nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; + + /* pattern check for firmware */ + memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); + + for (i = 0; i < pno_req->match_set_cnt; i++) + nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; + + for (i = 0; i < pno_req->match_set_cnt; i++) { + ssid = &pno_req->match_sets[i].ssid; + loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); + if (!loc) { + rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); + kfree_skb(skb); + return NULL; + } + nlo_hdr->location[i] = loc; + } + + for (i = 0; i < pno_req->match_set_cnt; i++) { + pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); + memcpy(pos, pno_req->match_sets[i].ssid.ssid, + pno_req->match_sets[i].ssid.ssid_len); + } + + return skb; +} + +static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) +{ + struct rtw_dev *rtwdev = hw->priv; + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; + struct ieee80211_channel *channels = pno_req->channels; + struct sk_buff *skb; + int count = pno_req->channel_cnt; + u8 *pos; + int i = 0; + + skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); + if (!skb) + return NULL; + + skb_reserve(skb, chip->tx_pkt_desc_sz); + + for (i = 0; i < count; i++) { + pos = skb_put_zero(skb, 4); + + CHSW_INFO_SET_CH(pos, channels[i].hw_value); + + if (channels[i].flags & IEEE80211_CHAN_RADAR) + CHSW_INFO_SET_ACTION_ID(pos, 0); + else + CHSW_INFO_SET_ACTION_ID(pos, 1); + CHSW_INFO_SET_TIMEOUT(pos, 1); + CHSW_INFO_SET_PRI_CH_IDX(pos, 1); + CHSW_INFO_SET_BW(pos, 0); + } + + return skb; +} + +static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) +{ + struct rtw_dev *rtwdev = hw->priv; + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; + struct rtw_lps_pg_dpk_hdr *dpk_hdr; + struct sk_buff *skb; + u32 size; + + size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); + skb = alloc_skb(size, GFP_KERNEL); + if (!skb) + return NULL; + + skb_reserve(skb, chip->tx_pkt_desc_sz); + dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); + dpk_hdr->dpk_ch = dpk_info->dpk_ch; + dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; + memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); + memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); + memcpy(dpk_hdr->coef, dpk_info->coef, 160); + + return skb; +} + +static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) +{ + struct rtw_dev *rtwdev = hw->priv; + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_lps_conf *conf = &rtwdev->lps_conf; + struct rtw_lps_pg_info_hdr *pg_info_hdr; + struct rtw_wow_param *rtw_wow = &rtwdev->wow; + struct sk_buff *skb; + u32 size; + + size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); + skb = alloc_skb(size, GFP_KERNEL); + if (!skb) + return NULL; + + skb_reserve(skb, chip->tx_pkt_desc_sz); + pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); + pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; + pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); + pg_info_hdr->sec_cam_count = + rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); + pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; + + conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; + conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; + + return skb; +} + +static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, + struct rtw_rsvd_page *rsvd_pkt) +{ + struct ieee80211_vif *vif; + struct rtw_vif *rtwvif; + struct sk_buff *skb_new; + struct cfg80211_ssid *ssid; + + if (rsvd_pkt->type == RSVD_DUMMY) { + skb_new = alloc_skb(1, GFP_KERNEL); + if (!skb_new) + return NULL; + + skb_put(skb_new, 1); + return skb_new; + } + + rtwvif = rsvd_pkt->rtwvif; + if (!rtwvif) + return NULL; + + vif = rtwvif_to_vif(rtwvif); + + switch (rsvd_pkt->type) { + case RSVD_BEACON: + skb_new = ieee80211_beacon_get(hw, vif); + break; + case RSVD_PS_POLL: + skb_new = ieee80211_pspoll_get(hw, vif); + break; + case RSVD_PROBE_RESP: + skb_new = ieee80211_proberesp_get(hw, vif); + break; + case RSVD_NULL: + skb_new = ieee80211_nullfunc_get(hw, vif, false); + break; + case RSVD_QOS_NULL: + skb_new = ieee80211_nullfunc_get(hw, vif, true); + break; + case RSVD_LPS_PG_DPK: + skb_new = rtw_lps_pg_dpk_get(hw); + break; + case RSVD_LPS_PG_INFO: + skb_new = rtw_lps_pg_info_get(hw); + break; + case RSVD_PROBE_REQ: + ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; + if (ssid) + skb_new = ieee80211_probereq_get(hw, vif->addr, + ssid->ssid, + ssid->ssid_len, 0); + else + skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); + if (skb_new) + rsvd_pkt->probe_req_size = (u16)skb_new->len; + break; + case RSVD_NLO_INFO: + skb_new = rtw_nlo_info_get(hw); + break; + case RSVD_CH_INFO: + skb_new = rtw_cs_channel_info_get(hw); + break; + default: + return NULL; + } + + if (!skb_new) + return NULL; + + return skb_new; +} + +static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, + enum rtw_rsvd_packet_type type) +{ + struct rtw_tx_pkt_info pkt_info = {0}; + struct rtw_chip_info *chip = rtwdev->chip; + u8 *pkt_desc; + + rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); + pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); + memset(pkt_desc, 0, chip->tx_pkt_desc_sz); + rtw_tx_fill_tx_desc(&pkt_info, skb); +} + +static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) +{ + return DIV_ROUND_UP(len, page_size); +} + +static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, + u8 page_margin, u32 page, u8 *buf, + struct rtw_rsvd_page *rsvd_pkt) +{ + struct sk_buff *skb = rsvd_pkt->skb; + + if (page >= 1) + memcpy(buf + page_margin + page_size * (page - 1), + skb->data, skb->len); + else + memcpy(buf, skb->data, skb->len); +} + +static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, + enum rtw_rsvd_packet_type type, + bool txdesc) +{ + struct rtw_rsvd_page *rsvd_pkt = NULL; + + rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); + + if (!rsvd_pkt) + return NULL; + + INIT_LIST_HEAD(&rsvd_pkt->vif_list); + INIT_LIST_HEAD(&rsvd_pkt->build_list); + rsvd_pkt->type = type; + rsvd_pkt->add_txdesc = txdesc; + + return rsvd_pkt; +} + +static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif, + struct rtw_rsvd_page *rsvd_pkt) +{ + lockdep_assert_held(&rtwdev->mutex); + + list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); +} + +static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif, + enum rtw_rsvd_packet_type type, + bool txdesc) +{ + struct rtw_rsvd_page *rsvd_pkt; + + rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); + if (!rsvd_pkt) { + rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); + return; + } + + rsvd_pkt->rtwvif = rtwvif; + rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); +} + +static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif, + struct cfg80211_ssid *ssid) +{ + struct rtw_rsvd_page *rsvd_pkt; + + rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); + if (!rsvd_pkt) { + rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); + return; + } + + rsvd_pkt->rtwvif = rtwvif; + rsvd_pkt->ssid = ssid; + rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); +} + +void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif) +{ + struct rtw_rsvd_page *rsvd_pkt, *tmp; + + lockdep_assert_held(&rtwdev->mutex); + + /* remove all of the rsvd pages for vif */ + list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, + vif_list) { + list_del(&rsvd_pkt->vif_list); + if (!list_empty(&rsvd_pkt->build_list)) + list_del(&rsvd_pkt->build_list); + kfree(rsvd_pkt); + } +} + +void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif) +{ + struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); + + if (vif->type != NL80211_IFTYPE_AP && + vif->type != NL80211_IFTYPE_ADHOC && + vif->type != NL80211_IFTYPE_MESH_POINT) { + rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", + vif->type); + return; + } + + rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); +} + +void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif) +{ + struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); + struct rtw_wow_param *rtw_wow = &rtwdev->wow; + struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; + struct cfg80211_ssid *ssid; + int i; + + if (vif->type != NL80211_IFTYPE_STATION) { + rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", + vif->type); + return; + } + + for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { + ssid = &rtw_pno_req->match_sets[i].ssid; + rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); + } + + rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); + rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); + rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); +} + +void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif) +{ + struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); + + if (vif->type != NL80211_IFTYPE_STATION) { + rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", + vif->type); + return; + } + + rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); + rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); + rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); + rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); + rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); +} + +int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, + u8 *buf, u32 size) +{ + u8 bckp[2]; + u8 val; + u16 rsvd_pg_head; + u32 bcn_valid_addr; + u32 bcn_valid_mask; + int ret; + + lockdep_assert_held(&rtwdev->mutex); + + if (!size) + return -EINVAL; + + if (rtw_chip_wcpu_11n(rtwdev)) { + rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); + } else { + pg_addr &= BIT_MASK_BCN_HEAD_1_V1; + pg_addr |= BIT_BCN_VALID_V1; + rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); + } + + val = rtw_read8(rtwdev, REG_CR + 1); + bckp[0] = val; + val |= BIT_ENSWBCN >> 8; + rtw_write8(rtwdev, REG_CR + 1, val); + + val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); + bckp[1] = val; + val &= ~(BIT_EN_BCNQ_DL >> 16); + rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); + + ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); + if (ret) { + rtw_err(rtwdev, "failed to write data to rsvd page\n"); + goto restore; + } + + if (rtw_chip_wcpu_11n(rtwdev)) { + bcn_valid_addr = REG_DWBCN0_CTRL; + bcn_valid_mask = BIT_BCN_VALID; + } else { + bcn_valid_addr = REG_FIFOPAGE_CTRL_2; + bcn_valid_mask = BIT_BCN_VALID_V1; + } + + if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { + rtw_err(rtwdev, "error beacon valid\n"); + ret = -EBUSY; + } + +restore: + rsvd_pg_head = rtwdev->fifo.rsvd_boundary; + rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, + rsvd_pg_head | BIT_BCN_VALID_V1); + rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); + rtw_write8(rtwdev, REG_CR + 1, bckp[0]); + + return ret; +} + +static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) +{ + u32 pg_size; + u32 pg_num = 0; + u16 pg_addr = 0; + + pg_size = rtwdev->chip->page_size; + pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); + if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) + return -ENOMEM; + + pg_addr = rtwdev->fifo.rsvd_drv_addr; + + return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); +} + +static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) +{ + struct rtw_rsvd_page *rsvd_pkt, *tmp; + + list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, + build_list) { + list_del_init(&rsvd_pkt->build_list); + + /* Don't free except for the dummy rsvd page, + * others will be freed when removing vif + */ + if (rsvd_pkt->type == RSVD_DUMMY) + kfree(rsvd_pkt); + } +} + +static void rtw_build_rsvd_page_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct rtw_dev *rtwdev = data; + struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; + struct rtw_rsvd_page *rsvd_pkt; + + list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { + if (rsvd_pkt->type == RSVD_BEACON) + list_add(&rsvd_pkt->build_list, + &rtwdev->rsvd_page_list); + else + list_add_tail(&rsvd_pkt->build_list, + &rtwdev->rsvd_page_list); + } +} + +static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) +{ + struct rtw_rsvd_page *rsvd_pkt; + + __rtw_build_rsvd_page_reset(rtwdev); + + /* gather rsvd page from vifs */ + rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); + + rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, + struct rtw_rsvd_page, build_list); + if (!rsvd_pkt) { + WARN(1, "Should not have an empty reserved page\n"); + return -EINVAL; + } + + /* the first rsvd should be beacon, otherwise add a dummy one */ + if (rsvd_pkt->type != RSVD_BEACON) { + struct rtw_rsvd_page *dummy_pkt; + + dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); + if (!dummy_pkt) { + rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); + return -ENOMEM; + } + + list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); + } + + return 0; +} + +static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) +{ + struct ieee80211_hw *hw = rtwdev->hw; + struct rtw_chip_info *chip = rtwdev->chip; + struct sk_buff *iter; + struct rtw_rsvd_page *rsvd_pkt; + u32 page = 0; + u8 total_page = 0; + u8 page_size, page_margin, tx_desc_sz; + u8 *buf; + int ret; + + page_size = chip->page_size; + tx_desc_sz = chip->tx_pkt_desc_sz; + page_margin = page_size - tx_desc_sz; + + ret = __rtw_build_rsvd_page_from_vifs(rtwdev); + if (ret) { + rtw_err(rtwdev, + "failed to build rsvd page from vifs, ret %d\n", ret); + return NULL; + } + + list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { + iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); + if (!iter) { + rtw_err(rtwdev, "failed to build rsvd packet\n"); + goto release_skb; + } + + /* Fill the tx_desc for the rsvd pkt that requires one. + * And iter->len will be added with size of tx_desc_sz. + */ + if (rsvd_pkt->add_txdesc) + rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); + + rsvd_pkt->skb = iter; + rsvd_pkt->page = total_page; + + /* Reserved page is downloaded via TX path, and TX path will + * generate a tx_desc at the header to describe length of + * the buffer. If we are not counting page numbers with the + * size of tx_desc added at the first rsvd_pkt (usually a + * beacon, firmware default refer to the first page as the + * content of beacon), we could generate a buffer which size + * is smaller than the actual size of the whole rsvd_page + */ + if (total_page == 0) { + if (rsvd_pkt->type != RSVD_BEACON && + rsvd_pkt->type != RSVD_DUMMY) { + rtw_err(rtwdev, "first page should be a beacon\n"); + goto release_skb; + } + total_page += rtw_len_to_page(iter->len + tx_desc_sz, + page_size); + } else { + total_page += rtw_len_to_page(iter->len, page_size); + } + } + + if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { + rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); + goto release_skb; + } + + *size = (total_page - 1) * page_size + page_margin; + buf = kzalloc(*size, GFP_KERNEL); + if (!buf) + goto release_skb; + + /* Copy the content of each rsvd_pkt to the buf, and they should + * be aligned to the pages. + * + * Note that the first rsvd_pkt is a beacon no matter what vif->type. + * And that rsvd_pkt does not require tx_desc because when it goes + * through TX path, the TX path will generate one for it. + */ + list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { + rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, + page, buf, rsvd_pkt); + if (page == 0) + page += rtw_len_to_page(rsvd_pkt->skb->len + + tx_desc_sz, page_size); + else + page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); + + kfree_skb(rsvd_pkt->skb); + rsvd_pkt->skb = NULL; + } + + return buf; + +release_skb: + list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { + kfree_skb(rsvd_pkt->skb); + rsvd_pkt->skb = NULL; + } + + return NULL; +} + +static int rtw_download_beacon(struct rtw_dev *rtwdev) +{ + struct ieee80211_hw *hw = rtwdev->hw; + struct rtw_rsvd_page *rsvd_pkt; + struct sk_buff *skb; + int ret = 0; + + rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, + struct rtw_rsvd_page, build_list); + if (!rsvd_pkt) { + rtw_err(rtwdev, "failed to get rsvd page from build list\n"); + return -ENOENT; + } + + if (rsvd_pkt->type != RSVD_BEACON && + rsvd_pkt->type != RSVD_DUMMY) { + rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", + rsvd_pkt->type); + return -EINVAL; + } + + skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); + if (!skb) { + rtw_err(rtwdev, "failed to get beacon skb\n"); + return -ENOMEM; + } + + ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); + if (ret) + rtw_err(rtwdev, "failed to download drv rsvd page\n"); + + dev_kfree_skb(skb); + + return ret; +} + +int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) +{ + u8 *buf; + u32 size; + int ret; + + buf = rtw_build_rsvd_page(rtwdev, &size); + if (!buf) { + rtw_err(rtwdev, "failed to build rsvd page pkt\n"); + return -ENOMEM; + } + + ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); + if (ret) { + rtw_err(rtwdev, "failed to download drv rsvd page\n"); + goto free; + } + + /* The last thing is to download the *ONLY* beacon again, because + * the previous tx_desc is to describe the total rsvd page. Download + * the beacon again to replace the TX desc header, and we will get + * a correct tx_desc for the beacon in the rsvd page. + */ + ret = rtw_download_beacon(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to download beacon\n"); + goto free; + } + +free: + kfree(buf); + + return ret; +} + +static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, + u32 *buf, u32 residue, u16 start_pg) +{ + u32 i; + u16 idx = 0; + u16 ctl; + + ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; + /* disable rx clock gate */ + rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); + + do { + rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); + + for (i = FIFO_DUMP_ADDR + residue; + i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { + buf[idx++] = rtw_read32(rtwdev, i); + size -= 4; + if (size == 0) + goto out; + } + + residue = 0; + start_pg++; + } while (size); + +out: + rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); + /* restore rx clock gate */ + rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); +} + +static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, + u32 offset, u32 size, u32 *buf) +{ + struct rtw_chip_info *chip = rtwdev->chip; + u32 start_pg, residue; + + if (sel >= RTW_FW_FIFO_MAX) { + rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); + return; + } + if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) + offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; + residue = offset & (FIFO_PAGE_SIZE - 1); + start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; + + rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); +} + +static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, + enum rtw_fw_fifo_sel sel, + u32 start_addr, u32 size) +{ + switch (sel) { + case RTW_FW_FIFO_SEL_TX: + case RTW_FW_FIFO_SEL_RX: + if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) + return false; + /*fall through*/ + default: + return true; + } +} + +int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, + u32 *buffer) +{ + if (!rtwdev->chip->fw_fifo_addr[0]) { + rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); + return -ENOTSUPP; + } + + if (size == 0 || !buffer) + return -EINVAL; + + if (size & 0x3) { + rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); + return -EINVAL; + } + + if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { + rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); + return -EINVAL; + } + + rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); + + return 0; +} + +static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, + u8 location) +{ + struct rtw_chip_info *chip = rtwdev->chip; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; + + rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); + + SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); + UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); + UPDATE_PKT_SET_LOCATION(h2c_pkt, location); + + /* include txdesc size */ + size += chip->tx_pkt_desc_sz; + UPDATE_PKT_SET_SIZE(h2c_pkt, size); + + rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); +} + +void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, + struct cfg80211_ssid *ssid) +{ + u8 loc; + u16 size; + + loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); + if (!loc) { + rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); + return; + } + + size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); + if (!size) { + rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); + return; + } + + __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); +} + +void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) +{ + struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; + u8 loc_ch_info; + const struct rtw_ch_switch_option cs_option = { + .dest_ch_en = 1, + .dest_ch = 1, + .periodic_option = 2, + .normal_period = 5, + .normal_period_sel = 0, + .normal_cycle = 10, + .slow_period = 1, + .slow_period_sel = 1, + }; + + rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); + SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); + + CH_SWITCH_SET_START(h2c_pkt, enable); + CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); + CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); + CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); + CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); + CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); + CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); + CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); + CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); + + CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); + CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); + + loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); + CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); + + rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); +} |