From fa73a1ebe720c8360d6cce251487cb3917c16e09 Mon Sep 17 00:00:00 2001
From: Ping-Ke Shih <pkshih@realtek.com>
Date: Sat, 20 May 2017 10:48:58 -0500
Subject: [PATCH] rtlwifi: btcoex: 23b 1ant: Special packets statistic in notification
Git-commit: fa73a1ebe720c8360d6cce251487cb3917c16e09
Patch-mainline: v4.13-rc1
References: FATE#326906
Count and log special packets of DHCP, EAPOL and ARP, and check whether
the interface is in 4-way handshake.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
.../rtlwifi/btcoexist/halbtc8723b1ant.c | 27 ++++++++++++++++++-
.../rtlwifi/btcoexist/halbtc8723b1ant.h | 1 +
2 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
index b8b50c13d911..188e248b2265 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
@@ -2754,6 +2754,7 @@ void ex_halbtc8723b1ant_connect_notify(struct btc_coexist *btcoexist, u8 type)
FORCE_EXEC, false, false);
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], CONNECT START notify\n");
+ coex_dm->arp_cnt = 0;
} else {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], CONNECT FINISH notify\n");
@@ -2844,6 +2845,7 @@ void ex_halbtc8723b1ant_media_status_notify(struct btc_coexist *btcoexist,
} else {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], MEDIA disconnect notify\n");
+ coex_dm->arp_cnt = 0;
btcoexist->btc_write_1byte(btcoexist, 0x6cd, 0x0); /* CCK Tx */
btcoexist->btc_write_1byte(btcoexist, 0x6cf, 0x0); /* CCK Rx */
@@ -2884,13 +2886,36 @@ void ex_halbtc8723b1ant_special_packet_notify(struct btc_coexist *btcoexist,
bool bt_hs_on = false;
u32 wifi_link_status = 0;
u32 num_of_wifi_link = 0;
- bool bt_ctrl_agg_buf_size = false;
+ bool bt_ctrl_agg_buf_size = false, under_4way = false;
u8 agg_buf_size = 5;
+ btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_4_WAY_PROGRESS,
+ &under_4way);
+
if (btcoexist->manual_control || btcoexist->stop_coex_dm ||
coex_sta->bt_disabled)
return;
+ if (type == BTC_PACKET_DHCP || type == BTC_PACKET_EAPOL ||
+ type == BTC_PACKET_ARP) {
+ if (type == BTC_PACKET_ARP) {
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], special Packet ARP notify\n");
+
+ coex_dm->arp_cnt++;
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], ARP Packet Count = %d\n",
+ coex_dm->arp_cnt);
+ } else {
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], special Packet DHCP or EAPOL notify\n");
+ }
+ } else {
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], special Packet [Type = %d] notify\n",
+ type);
+ }
+
btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
&wifi_link_status);
num_of_wifi_link = wifi_link_status >> 16;
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
index 592a289c993c..8df1036e36f1 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
@@ -134,6 +134,7 @@ struct coex_dm_8723b_1ant {
u8 cur_retry_limit_type;
u8 pre_ampdu_time_type;
u8 cur_ampdu_time_type;
+ u32 arp_cnt;
u8 error_condition;
};
--
2.19.2