| // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
| /* Copyright(c) 2019-2022 Realtek Corporation |
| */ |
| #include "cam.h" |
| #include "core.h" |
| #include "debug.h" |
| #include "fw.h" |
| #include "mac.h" |
| #include "phy.h" |
| #include "ps.h" |
| #include "reg.h" |
| #include "util.h" |
| #include "wow.h" |
| |
| static void rtw89_wow_leave_deep_ps(struct rtw89_dev *rtwdev) |
| { |
| __rtw89_leave_ps_mode(rtwdev); |
| } |
| |
| static void rtw89_wow_enter_deep_ps(struct rtw89_dev *rtwdev) |
| { |
| struct ieee80211_vif *wow_vif = rtwdev->wow.wow_vif; |
| struct rtw89_vif *rtwvif = (struct rtw89_vif *)wow_vif->drv_priv; |
| |
| __rtw89_enter_ps_mode(rtwdev, rtwvif); |
| } |
| |
| static void rtw89_wow_enter_lps(struct rtw89_dev *rtwdev) |
| { |
| struct ieee80211_vif *wow_vif = rtwdev->wow.wow_vif; |
| struct rtw89_vif *rtwvif = (struct rtw89_vif *)wow_vif->drv_priv; |
| |
| rtw89_enter_lps(rtwdev, rtwvif, false); |
| } |
| |
| static void rtw89_wow_leave_lps(struct rtw89_dev *rtwdev) |
| { |
| rtw89_leave_lps(rtwdev); |
| } |
| |
| static int rtw89_wow_config_mac(struct rtw89_dev *rtwdev, bool enable_wow) |
| { |
| const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; |
| |
| return mac->wow_config_mac(rtwdev, enable_wow); |
| } |
| |
| static void rtw89_wow_set_rx_filter(struct rtw89_dev *rtwdev, bool enable) |
| { |
| const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; |
| enum rtw89_mac_fwd_target fwd_target = enable ? |
| RTW89_FWD_DONT_CARE : |
| RTW89_FWD_TO_HOST; |
| |
| mac->typ_fltr_opt(rtwdev, RTW89_MGNT, fwd_target, RTW89_MAC_0); |
| mac->typ_fltr_opt(rtwdev, RTW89_CTRL, fwd_target, RTW89_MAC_0); |
| mac->typ_fltr_opt(rtwdev, RTW89_DATA, fwd_target, RTW89_MAC_0); |
| } |
| |
| static void rtw89_wow_show_wakeup_reason(struct rtw89_dev *rtwdev) |
| { |
| u32 wow_reason_reg = rtwdev->chip->wow_reason_reg; |
| struct cfg80211_wowlan_nd_info nd_info; |
| struct cfg80211_wowlan_wakeup wakeup = { |
| .pattern_idx = -1, |
| }; |
| u8 reason; |
| |
| reason = rtw89_read8(rtwdev, wow_reason_reg); |
| switch (reason) { |
| case RTW89_WOW_RSN_RX_DEAUTH: |
| wakeup.disconnect = true; |
| rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: Rx deauth\n"); |
| break; |
| case RTW89_WOW_RSN_DISCONNECT: |
| wakeup.disconnect = true; |
| rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: AP is off\n"); |
| break; |
| case RTW89_WOW_RSN_RX_MAGIC_PKT: |
| wakeup.magic_pkt = true; |
| rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: Rx magic packet\n"); |
| break; |
| case RTW89_WOW_RSN_RX_GTK_REKEY: |
| wakeup.gtk_rekey_failure = true; |
| rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: Rx gtk rekey\n"); |
| break; |
| case RTW89_WOW_RSN_RX_PATTERN_MATCH: |
| /* Current firmware and driver don't report pattern index |
| * Use pattern_idx to 0 defaultly. |
| */ |
| wakeup.pattern_idx = 0; |
| rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: Rx pattern match packet\n"); |
| break; |
| case RTW89_WOW_RSN_RX_NLO: |
| /* Current firmware and driver don't report ssid index. |
| * Use 0 for n_matches based on its comment. |
| */ |
| nd_info.n_matches = 0; |
| wakeup.net_detect = &nd_info; |
| rtw89_debug(rtwdev, RTW89_DBG_WOW, "Rx NLO\n"); |
| break; |
| default: |
| rtw89_warn(rtwdev, "Unknown wakeup reason %x\n", reason); |
| ieee80211_report_wowlan_wakeup(rtwdev->wow.wow_vif, NULL, |
| GFP_KERNEL); |
| return; |
| } |
| |
| ieee80211_report_wowlan_wakeup(rtwdev->wow.wow_vif, &wakeup, |
| GFP_KERNEL); |
| } |
| |
| static void rtw89_wow_vif_iter(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); |
| |
| /* Current wowlan function support setting of only one STATION vif. |
| * So when one suitable vif is found, stop the iteration. |
| */ |
| if (rtw_wow->wow_vif || vif->type != NL80211_IFTYPE_STATION) |
| return; |
| |
| switch (rtwvif->net_type) { |
| case RTW89_NET_TYPE_INFRA: |
| rtw_wow->wow_vif = vif; |
| break; |
| case RTW89_NET_TYPE_NO_LINK: |
| default: |
| break; |
| } |
| } |
| |
| static u16 __rtw89_cal_crc16(u8 data, u16 crc) |
| { |
| u8 shift_in, data_bit; |
| u8 crc_bit4, crc_bit11, crc_bit15; |
| u16 crc_result; |
| int index; |
| |
| for (index = 0; index < 8; index++) { |
| crc_bit15 = crc & BIT(15) ? 1 : 0; |
| data_bit = data & BIT(index) ? 1 : 0; |
| shift_in = crc_bit15 ^ data_bit; |
| |
| crc_result = crc << 1; |
| |
| if (shift_in == 0) |
| crc_result &= ~BIT(0); |
| else |
| crc_result |= BIT(0); |
| |
| crc_bit11 = (crc & BIT(11) ? 1 : 0) ^ shift_in; |
| |
| if (crc_bit11 == 0) |
| crc_result &= ~BIT(12); |
| else |
| crc_result |= BIT(12); |
| |
| crc_bit4 = (crc & BIT(4) ? 1 : 0) ^ shift_in; |
| |
| if (crc_bit4 == 0) |
| crc_result &= ~BIT(5); |
| else |
| crc_result |= BIT(5); |
| |
| crc = crc_result; |
| } |
| return crc; |
| } |
| |
| static u16 rtw89_calc_crc(u8 *pdata, int length) |
| { |
| u16 crc = 0xffff; |
| int i; |
| |
| for (i = 0; i < length; i++) |
| crc = __rtw89_cal_crc16(pdata[i], crc); |
| |
| /* get 1' complement */ |
| return ~crc; |
| } |
| |
| static int rtw89_wow_pattern_get_type(struct rtw89_vif *rtwvif, |
| struct rtw89_wow_cam_info *rtw_pattern, |
| const u8 *pattern, u8 da_mask) |
| { |
| u8 da[ETH_ALEN]; |
| |
| ether_addr_copy_mask(da, pattern, da_mask); |
| |
| /* Each pattern is divided into different kinds by DA address |
| * a. DA is broadcast address: set bc = 0; |
| * b. DA is multicast address: set mc = 0 |
| * c. DA is unicast address same as dev's mac address: set uc = 0 |
| * d. DA is unmasked. Also called wildcard type: set uc = bc = mc = 0 |
| * e. Others is invalid type. |
| */ |
| |
| if (is_broadcast_ether_addr(da)) |
| rtw_pattern->bc = true; |
| else if (is_multicast_ether_addr(da)) |
| rtw_pattern->mc = true; |
| else if (ether_addr_equal(da, rtwvif->mac_addr) && |
| da_mask == GENMASK(5, 0)) |
| rtw_pattern->uc = true; |
| else if (!da_mask) /*da_mask == 0 mean wildcard*/ |
| return 0; |
| else |
| return -EPERM; |
| |
| return 0; |
| } |
| |
| static int rtw89_wow_pattern_generate(struct rtw89_dev *rtwdev, |
| struct rtw89_vif *rtwvif, |
| const struct cfg80211_pkt_pattern *pkt_pattern, |
| struct rtw89_wow_cam_info *rtw_pattern) |
| { |
| u8 mask_hw[RTW89_MAX_PATTERN_MASK_SIZE * 4] = {0}; |
| u8 content[RTW89_MAX_PATTERN_SIZE] = {0}; |
| const u8 *mask; |
| const u8 *pattern; |
| u8 mask_len; |
| u16 count; |
| u32 len; |
| int i, ret; |
| |
| pattern = pkt_pattern->pattern; |
| len = pkt_pattern->pattern_len; |
| mask = pkt_pattern->mask; |
| mask_len = DIV_ROUND_UP(len, 8); |
| memset(rtw_pattern, 0, sizeof(*rtw_pattern)); |
| |
| ret = rtw89_wow_pattern_get_type(rtwvif, rtw_pattern, pattern, |
| mask[0] & GENMASK(5, 0)); |
| if (ret) |
| return ret; |
| |
| /* translate mask from os to mask for hw |
| * pattern from OS uses 'ethenet frame', like this: |
| * | 6 | 6 | 2 | 20 | Variable | 4 | |
| * |--------+--------+------+-----------+------------+-----| |
| * | 802.3 Mac Header | IP Header | TCP Packet | FCS | |
| * | DA | SA | Type | |
| * |
| * BUT, packet catched by our HW is in '802.11 frame', begin from LLC |
| * | 24 or 30 | 6 | 2 | 20 | Variable | 4 | |
| * |-------------------+--------+------+-----------+------------+-----| |
| * | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS | |
| * | Others | Tpye | |
| * |
| * Therefore, we need translate mask_from_OS to mask_to_hw. |
| * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0, |
| * because new mask[0~5] means 'SA', but our HW packet begins from LLC, |
| * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match. |
| */ |
| |
| /* Shift 6 bits */ |
| for (i = 0; i < mask_len - 1; i++) { |
| mask_hw[i] = u8_get_bits(mask[i], GENMASK(7, 6)) | |
| u8_get_bits(mask[i + 1], GENMASK(5, 0)) << 2; |
| } |
| mask_hw[i] = u8_get_bits(mask[i], GENMASK(7, 6)); |
| |
| /* Set bit 0-5 to zero */ |
| mask_hw[0] &= ~GENMASK(5, 0); |
| |
| memcpy(rtw_pattern->mask, mask_hw, sizeof(rtw_pattern->mask)); |
| |
| /* To get the wake up pattern from the mask. |
| * We do not count first 12 bits which means |
| * DA[6] and SA[6] in the pattern to match HW design. |
| */ |
| count = 0; |
| for (i = 12; i < len; i++) { |
| if ((mask[i / 8] >> (i % 8)) & 0x01) { |
| content[count] = pattern[i]; |
| count++; |
| } |
| } |
| |
| rtw_pattern->crc = rtw89_calc_crc(content, count); |
| |
| return 0; |
| } |
| |
| static int rtw89_wow_parse_patterns(struct rtw89_dev *rtwdev, |
| struct rtw89_vif *rtwvif, |
| struct cfg80211_wowlan *wowlan) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct rtw89_wow_cam_info *rtw_pattern = rtw_wow->patterns; |
| int i; |
| int ret; |
| |
| if (!wowlan->n_patterns || !wowlan->patterns) |
| return 0; |
| |
| for (i = 0; i < wowlan->n_patterns; i++) { |
| rtw_pattern = &rtw_wow->patterns[i]; |
| ret = rtw89_wow_pattern_generate(rtwdev, rtwvif, |
| &wowlan->patterns[i], |
| rtw_pattern); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to generate pattern(%d)\n", i); |
| rtw_wow->pattern_cnt = 0; |
| return ret; |
| } |
| |
| rtw_pattern->r_w = true; |
| rtw_pattern->idx = i; |
| rtw_pattern->negative_pattern_match = false; |
| rtw_pattern->skip_mac_hdr = true; |
| rtw_pattern->valid = true; |
| } |
| rtw_wow->pattern_cnt = wowlan->n_patterns; |
| |
| return 0; |
| } |
| |
| static void rtw89_wow_pattern_clear_cam(struct rtw89_dev *rtwdev) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct rtw89_wow_cam_info *rtw_pattern = rtw_wow->patterns; |
| int i = 0; |
| |
| for (i = 0; i < rtw_wow->pattern_cnt; i++) { |
| rtw_pattern = &rtw_wow->patterns[i]; |
| rtw_pattern->valid = false; |
| rtw89_fw_wow_cam_update(rtwdev, rtw_pattern); |
| } |
| } |
| |
| static void rtw89_wow_pattern_write(struct rtw89_dev *rtwdev) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct rtw89_wow_cam_info *rtw_pattern = rtw_wow->patterns; |
| int i; |
| |
| for (i = 0; i < rtw_wow->pattern_cnt; i++) |
| rtw89_fw_wow_cam_update(rtwdev, rtw_pattern + i); |
| } |
| |
| static void rtw89_wow_pattern_clear(struct rtw89_dev *rtwdev) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| |
| rtw89_wow_pattern_clear_cam(rtwdev); |
| |
| rtw_wow->pattern_cnt = 0; |
| memset(rtw_wow->patterns, 0, sizeof(rtw_wow->patterns)); |
| } |
| |
| static void rtw89_wow_clear_wakeups(struct rtw89_dev *rtwdev) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| |
| rtw_wow->wow_vif = NULL; |
| rtw89_core_release_all_bits_map(rtw_wow->flags, RTW89_WOW_FLAG_NUM); |
| rtw_wow->pattern_cnt = 0; |
| } |
| |
| static int rtw89_wow_set_wakeups(struct rtw89_dev *rtwdev, |
| struct cfg80211_wowlan *wowlan) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct rtw89_vif *rtwvif; |
| |
| if (wowlan->disconnect) |
| set_bit(RTW89_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags); |
| if (wowlan->magic_pkt) |
| set_bit(RTW89_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags); |
| |
| rtw89_for_each_rtwvif(rtwdev, rtwvif) |
| rtw89_wow_vif_iter(rtwdev, rtwvif); |
| |
| if (!rtw_wow->wow_vif) |
| return -EPERM; |
| |
| rtwvif = (struct rtw89_vif *)rtw_wow->wow_vif->drv_priv; |
| return rtw89_wow_parse_patterns(rtwdev, rtwvif, wowlan); |
| } |
| |
| static int rtw89_wow_cfg_wake(struct rtw89_dev *rtwdev, bool wow) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct ieee80211_vif *wow_vif = rtw_wow->wow_vif; |
| struct rtw89_vif *rtwvif = (struct rtw89_vif *)wow_vif->drv_priv; |
| struct ieee80211_sta *wow_sta; |
| struct rtw89_sta *rtwsta = NULL; |
| int ret; |
| |
| wow_sta = ieee80211_find_sta(wow_vif, rtwvif->bssid); |
| if (wow_sta) |
| rtwsta = (struct rtw89_sta *)wow_sta->drv_priv; |
| |
| if (wow) { |
| if (rtw_wow->pattern_cnt) |
| rtwvif->wowlan_pattern = true; |
| if (test_bit(RTW89_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) |
| rtwvif->wowlan_magic = true; |
| } else { |
| rtwvif->wowlan_pattern = false; |
| rtwvif->wowlan_magic = false; |
| } |
| |
| ret = rtw89_fw_h2c_wow_wakeup_ctrl(rtwdev, rtwvif, wow); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to fw wow wakeup ctrl\n"); |
| return ret; |
| } |
| |
| if (wow) { |
| ret = rtw89_chip_h2c_dctl_sec_cam(rtwdev, rtwvif, rtwsta); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to update dctl cam sec entry: %d\n", |
| ret); |
| return ret; |
| } |
| } |
| |
| ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL); |
| if (ret) { |
| rtw89_warn(rtwdev, "failed to send h2c cam\n"); |
| return ret; |
| } |
| |
| ret = rtw89_fw_h2c_wow_global(rtwdev, rtwvif, wow); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to fw wow global\n"); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int rtw89_wow_check_fw_status(struct rtw89_dev *rtwdev, bool wow_enable) |
| { |
| const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; |
| u8 polling; |
| int ret; |
| |
| ret = read_poll_timeout_atomic(rtw89_read8_mask, polling, |
| wow_enable == !!polling, |
| 50, 50000, false, rtwdev, |
| mac->wow_ctrl.addr, mac->wow_ctrl.mask); |
| if (ret) |
| rtw89_err(rtwdev, "failed to check wow status %s\n", |
| wow_enable ? "enabled" : "disabled"); |
| return ret; |
| } |
| |
| static int rtw89_wow_swap_fw(struct rtw89_dev *rtwdev, bool wow) |
| { |
| enum rtw89_fw_type fw_type = wow ? RTW89_FW_WOWLAN : RTW89_FW_NORMAL; |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct ieee80211_vif *wow_vif = rtw_wow->wow_vif; |
| struct rtw89_vif *rtwvif = (struct rtw89_vif *)wow_vif->drv_priv; |
| const struct rtw89_chip_info *chip = rtwdev->chip; |
| bool include_bb = !!chip->bbmcu_nr; |
| struct ieee80211_sta *wow_sta; |
| struct rtw89_sta *rtwsta = NULL; |
| bool is_conn = true; |
| int ret; |
| |
| rtw89_hci_disable_intr(rtwdev); |
| |
| wow_sta = ieee80211_find_sta(wow_vif, rtwvif->bssid); |
| if (wow_sta) |
| rtwsta = (struct rtw89_sta *)wow_sta->drv_priv; |
| else |
| is_conn = false; |
| |
| ret = rtw89_fw_download(rtwdev, fw_type, include_bb); |
| if (ret) { |
| rtw89_warn(rtwdev, "download fw failed\n"); |
| return ret; |
| } |
| |
| rtw89_phy_init_rf_reg(rtwdev, true); |
| |
| ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, rtwsta, |
| RTW89_ROLE_FW_RESTORE); |
| if (ret) { |
| rtw89_warn(rtwdev, "failed to send h2c role maintain\n"); |
| return ret; |
| } |
| |
| ret = rtw89_chip_h2c_assoc_cmac_tbl(rtwdev, wow_vif, wow_sta); |
| if (ret) { |
| rtw89_warn(rtwdev, "failed to send h2c assoc cmac tbl\n"); |
| return ret; |
| } |
| |
| if (!is_conn) |
| rtw89_cam_reset_keys(rtwdev); |
| |
| ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, !is_conn); |
| if (ret) { |
| rtw89_warn(rtwdev, "failed to send h2c join info\n"); |
| return ret; |
| } |
| |
| ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL); |
| if (ret) { |
| rtw89_warn(rtwdev, "failed to send h2c cam\n"); |
| return ret; |
| } |
| |
| if (is_conn) { |
| ret = rtw89_fw_h2c_general_pkt(rtwdev, rtwvif, rtwsta->mac_id); |
| if (ret) { |
| rtw89_warn(rtwdev, "failed to send h2c general packet\n"); |
| return ret; |
| } |
| rtw89_phy_ra_assoc(rtwdev, wow_sta); |
| rtw89_phy_set_bss_color(rtwdev, wow_vif); |
| rtw89_chip_cfg_txpwr_ul_tb_offset(rtwdev, wow_vif); |
| } |
| |
| rtw89_mac_hw_mgnt_sec(rtwdev, wow); |
| rtw89_hci_enable_intr(rtwdev); |
| |
| return 0; |
| } |
| |
| static int rtw89_wow_enable_trx_pre(struct rtw89_dev *rtwdev) |
| { |
| int ret; |
| |
| rtw89_hci_ctrl_txdma_ch(rtwdev, false); |
| rtw89_hci_ctrl_txdma_fw_ch(rtwdev, true); |
| |
| rtw89_mac_ptk_drop_by_band_and_wait(rtwdev, RTW89_MAC_0); |
| |
| ret = rtw89_hci_poll_txdma_ch_idle(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "txdma ch busy\n"); |
| return ret; |
| } |
| rtw89_wow_set_rx_filter(rtwdev, true); |
| |
| ret = rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, false); |
| if (ret) { |
| rtw89_err(rtwdev, "cfg ppdu status\n"); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int rtw89_wow_enable_trx_post(struct rtw89_dev *rtwdev) |
| { |
| int ret; |
| |
| rtw89_hci_disable_intr(rtwdev); |
| rtw89_hci_ctrl_trxhci(rtwdev, false); |
| |
| ret = rtw89_hci_poll_txdma_ch_idle(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to poll txdma ch idle pcie\n"); |
| return ret; |
| } |
| |
| ret = rtw89_wow_config_mac(rtwdev, true); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to config mac\n"); |
| return ret; |
| } |
| |
| rtw89_wow_set_rx_filter(rtwdev, false); |
| rtw89_hci_reset(rtwdev); |
| |
| return 0; |
| } |
| |
| static int rtw89_wow_disable_trx_pre(struct rtw89_dev *rtwdev) |
| { |
| int ret; |
| |
| rtw89_hci_clr_idx_all(rtwdev); |
| |
| ret = rtw89_hci_rst_bdram(rtwdev); |
| if (ret) { |
| rtw89_warn(rtwdev, "reset bdram busy\n"); |
| return ret; |
| } |
| |
| rtw89_hci_ctrl_trxhci(rtwdev, true); |
| rtw89_hci_ctrl_txdma_ch(rtwdev, true); |
| |
| ret = rtw89_wow_config_mac(rtwdev, false); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to config mac\n"); |
| return ret; |
| } |
| rtw89_hci_enable_intr(rtwdev); |
| |
| return 0; |
| } |
| |
| static int rtw89_wow_disable_trx_post(struct rtw89_dev *rtwdev) |
| { |
| int ret; |
| |
| ret = rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, true); |
| if (ret) |
| rtw89_err(rtwdev, "cfg ppdu status\n"); |
| |
| return ret; |
| } |
| |
| static int rtw89_wow_fw_start(struct rtw89_dev *rtwdev) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct rtw89_vif *rtwvif = (struct rtw89_vif *)rtw_wow->wow_vif->drv_priv; |
| int ret; |
| |
| rtw89_wow_pattern_write(rtwdev); |
| |
| ret = rtw89_fw_h2c_keep_alive(rtwdev, rtwvif, true); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to enable keep alive\n"); |
| return ret; |
| } |
| |
| ret = rtw89_fw_h2c_disconnect_detect(rtwdev, rtwvif, true); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to enable disconnect detect\n"); |
| goto out; |
| } |
| |
| ret = rtw89_wow_cfg_wake(rtwdev, true); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to config wake\n"); |
| goto out; |
| } |
| |
| ret = rtw89_wow_check_fw_status(rtwdev, true); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to check enable fw ready\n"); |
| goto out; |
| } |
| |
| out: |
| return ret; |
| } |
| |
| static int rtw89_wow_fw_stop(struct rtw89_dev *rtwdev) |
| { |
| struct rtw89_wow_param *rtw_wow = &rtwdev->wow; |
| struct rtw89_vif *rtwvif = (struct rtw89_vif *)rtw_wow->wow_vif->drv_priv; |
| int ret; |
| |
| rtw89_wow_pattern_clear(rtwdev); |
| |
| ret = rtw89_fw_h2c_keep_alive(rtwdev, rtwvif, false); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to disable keep alive\n"); |
| goto out; |
| } |
| |
| ret = rtw89_fw_h2c_disconnect_detect(rtwdev, rtwvif, false); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to disable disconnect detect\n"); |
| goto out; |
| } |
| |
| rtw89_fw_release_general_pkt_list(rtwdev, true); |
| |
| ret = rtw89_wow_cfg_wake(rtwdev, false); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to disable config wake\n"); |
| goto out; |
| } |
| |
| ret = rtw89_wow_check_fw_status(rtwdev, false); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to check disable fw ready\n"); |
| goto out; |
| } |
| |
| out: |
| return ret; |
| } |
| |
| static int rtw89_wow_enable(struct rtw89_dev *rtwdev) |
| { |
| int ret; |
| |
| set_bit(RTW89_FLAG_WOWLAN, rtwdev->flags); |
| |
| ret = rtw89_wow_enable_trx_pre(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to enable trx_pre\n"); |
| goto out; |
| } |
| |
| rtw89_fw_release_general_pkt_list(rtwdev, true); |
| |
| ret = rtw89_wow_swap_fw(rtwdev, true); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to swap to wow fw\n"); |
| goto out; |
| } |
| |
| ret = rtw89_wow_fw_start(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to let wow fw start\n"); |
| goto out; |
| } |
| |
| rtw89_wow_enter_lps(rtwdev); |
| |
| ret = rtw89_wow_enable_trx_post(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to enable trx_post\n"); |
| goto out; |
| } |
| |
| return 0; |
| |
| out: |
| clear_bit(RTW89_FLAG_WOWLAN, rtwdev->flags); |
| return ret; |
| } |
| |
| static int rtw89_wow_disable(struct rtw89_dev *rtwdev) |
| { |
| int ret; |
| |
| ret = rtw89_wow_disable_trx_pre(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to disable trx_pre\n"); |
| goto out; |
| } |
| |
| rtw89_wow_leave_lps(rtwdev); |
| |
| ret = rtw89_wow_fw_stop(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to swap to normal fw\n"); |
| goto out; |
| } |
| |
| ret = rtw89_wow_swap_fw(rtwdev, false); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to disable trx_post\n"); |
| goto out; |
| } |
| |
| ret = rtw89_wow_disable_trx_post(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "wow: failed to disable trx_pre\n"); |
| goto out; |
| } |
| |
| out: |
| clear_bit(RTW89_FLAG_WOWLAN, rtwdev->flags); |
| return ret; |
| } |
| |
| int rtw89_wow_resume(struct rtw89_dev *rtwdev) |
| { |
| int ret; |
| |
| if (!test_bit(RTW89_FLAG_WOWLAN, rtwdev->flags)) { |
| rtw89_err(rtwdev, "wow is not enabled\n"); |
| ret = -EPERM; |
| goto out; |
| } |
| |
| if (!rtw89_mac_get_power_state(rtwdev)) { |
| rtw89_err(rtwdev, "chip is no power when resume\n"); |
| ret = -EPERM; |
| goto out; |
| } |
| |
| rtw89_wow_leave_deep_ps(rtwdev); |
| |
| rtw89_wow_show_wakeup_reason(rtwdev); |
| |
| ret = rtw89_wow_disable(rtwdev); |
| if (ret) |
| rtw89_err(rtwdev, "failed to disable wow\n"); |
| |
| out: |
| rtw89_wow_clear_wakeups(rtwdev); |
| return ret; |
| } |
| |
| int rtw89_wow_suspend(struct rtw89_dev *rtwdev, struct cfg80211_wowlan *wowlan) |
| { |
| int ret; |
| |
| ret = rtw89_wow_set_wakeups(rtwdev, wowlan); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to set wakeup event\n"); |
| return ret; |
| } |
| |
| rtw89_wow_leave_lps(rtwdev); |
| |
| ret = rtw89_wow_enable(rtwdev); |
| if (ret) { |
| rtw89_err(rtwdev, "failed to enable wow\n"); |
| return ret; |
| } |
| |
| rtw89_wow_enter_deep_ps(rtwdev); |
| |
| return 0; |
| } |