From 4bac10f2de22ebe2d1ca47f8155a333ad669398a Mon Sep 17 00:00:00 2001 From: Chin-Yen Lee Date: Wed, 28 Jul 2021 09:43:34 +0800 Subject: [PATCH] rtw88: wow: report wow reason through mac80211 api After waking up from WoWLAN, call ieee80211_report_wowlan_wakeup function call to report wakeup reason to userspace via nl80211. Signed-off-by: Chin-Yen Lee Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20210728014335.8785-5-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw88/wow.c | 46 +++++++++++++++++++++++++------- 1 file changed, 37 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/wow.c b/drivers/net/wireless/realtek/rtw88/wow.c index 23ae7dc..89dc595 100644 --- a/drivers/net/wireless/realtek/rtw88/wow.c +++ b/drivers/net/wireless/realtek/rtw88/wow.c @@ -12,26 +12,54 @@ static void rtw_wow_show_wakeup_reason(struct rtw_dev *rtwdev) { + struct cfg80211_wowlan_nd_info nd_info; + struct cfg80211_wowlan_wakeup wakeup = { + .pattern_idx = -1, + }; u8 reason; reason = rtw_read8(rtwdev, REG_WOWLAN_WAKE_REASON); - if (reason == RTW_WOW_RSN_RX_DEAUTH) + switch (reason) { + case RTW_WOW_RSN_RX_DEAUTH: + wakeup.disconnect = true; rtw_dbg(rtwdev, RTW_DBG_WOW, "WOW: Rx deauth\n"); - else if (reason == RTW_WOW_RSN_DISCONNECT) + break; + case RTW_WOW_RSN_DISCONNECT: + wakeup.disconnect = true; rtw_dbg(rtwdev, RTW_DBG_WOW, "WOW: AP is off\n"); - else if (reason == RTW_WOW_RSN_RX_MAGIC_PKT) + break; + case RTW_WOW_RSN_RX_MAGIC_PKT: + wakeup.magic_pkt = true; rtw_dbg(rtwdev, RTW_DBG_WOW, "WOW: Rx magic packet\n"); - else if (reason == RTW_WOW_RSN_RX_GTK_REKEY) + break; + case RTW_WOW_RSN_RX_GTK_REKEY: + wakeup.gtk_rekey_failure = true; rtw_dbg(rtwdev, RTW_DBG_WOW, "WOW: Rx gtk rekey\n"); - else if (reason == RTW_WOW_RSN_RX_PTK_REKEY) - rtw_dbg(rtwdev, RTW_DBG_WOW, "WOW: Rx ptk rekey\n"); - else if (reason == RTW_WOW_RSN_RX_PATTERN_MATCH) + break; + case RTW_WOW_RSN_RX_PATTERN_MATCH: + /* Current firmware and driver don't report pattern index + * Use pattern_idx to 0 defaultly. + */ + wakeup.pattern_idx = 0; rtw_dbg(rtwdev, RTW_DBG_WOW, "WOW: Rx pattern match packet\n"); - else if (reason == RTW_WOW_RSN_RX_NLO) + break; + case RTW_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; rtw_dbg(rtwdev, RTW_DBG_WOW, "Rx NLO\n"); - else + break; + default: rtw_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 rtw_wow_pattern_write_cam(struct rtw_dev *rtwdev, u8 addr, -- 2.7.4