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