From: Yan-Hsuan Chuang <yhchu...@realtek.com>
We need to pay attention to ARP packets to correctly establish
connection, and reset the ARP counter when disconnected.
Signed-off-by: Yan-Hsuan Chuang <yhchu...@realtek.com>
Signed-off-by: Larry Finger <larry.fin...@lwfinger.net>
Cc: Pkshih <pks...@realtek.com>
Cc: Birming Chiu <birm...@realtek.com>
Cc: Shaofu <sha...@realtek.com>
Cc: Steven Ting <stevent...@realtek.com>
---
.../realtek/rtlwifi/btcoexist/halbtc8821a1ant.c | 49 ++++++++++++++++++++--
.../realtek/rtlwifi/btcoexist/halbtc8821a1ant.h | 1 +
2 files changed, 47 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
index b8d5b73011ba..7d91d82e37fe 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
@@ -2592,7 +2592,7 @@ void ex_btc8821a1ant_scan_notify(struct btc_coexist
*btcoexist, u8 type)
void ex_btc8821a1ant_connect_notify(struct btc_coexist *btcoexist, u8 type)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;
- bool wifi_connected = false, bt_hs_on = false;
+ bool wifi_connected = false, bt_hs_on = false;
u32 wifi_link_status = 0;
u32 num_of_wifi_link = 0;
bool bt_ctrl_agg_buf_size = false;
@@ -2610,6 +2610,18 @@ void ex_btc8821a1ant_connect_notify(struct btc_coexist
*btcoexist, u8 type)
return;
}
+ if (type == BTC_ASSOCIATE_START) {
+ coex_sta->wifi_is_high_pri_task = true;
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], CONNECT START notify\n");
+ coex_dm->arp_cnt = 0;
+ } else {
+ coex_sta->wifi_is_high_pri_task = false;
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], CONNECT FINISH notify\n");
+ coex_dm->arp_cnt = 0;
+ }
+
btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
&wifi_link_status);
num_of_wifi_link = wifi_link_status >> 16;
@@ -2675,6 +2687,7 @@ void ex_btc8821a1ant_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;
}
/* only 2.4G we need to inform bt the chnl mask */
@@ -2728,6 +2741,24 @@ void ex_btc8821a1ant_special_packet_notify(struct
btc_coexist *btcoexist,
return;
}
+ if (type == BTC_PACKET_DHCP || type == BTC_PACKET_EAPOL ||
+ type == BTC_PACKET_ARP) {
+ coex_sta->wifi_is_high_pri_task = true;
+
+ if (type == BTC_PACKET_ARP) {
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], specific Packet ARP notify\n");
+ } else {
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], specific Packet DHCP or EAPOL
notify\n");
+ }
+ } else {
+ coex_sta->wifi_is_high_pri_task = false;
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], specific Packet [Type = %d] notify\n",
+ type);
+ }
+
coex_sta->special_pkt_period_cnt = 0;
btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
@@ -2750,8 +2781,20 @@ void ex_btc8821a1ant_special_packet_notify(struct
btc_coexist *btcoexist,
return;
}
- if (BTC_PACKET_DHCP == type ||
- BTC_PACKET_EAPOL == type) {
+ if (type == BTC_PACKET_DHCP || type == BTC_PACKET_EAPOL ||
+ type == BTC_PACKET_ARP) {
+ if (type == BTC_PACKET_ARP) {
+ coex_dm->arp_cnt++;
+ RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+ "[BTCoex], ARP Packet Count = %d\n",
+ coex_dm->arp_cnt);
+ if (coex_dm->arp_cnt >= 10)
+ /* if APR PKT > 10 after connect, do not go to
+ * btc8821a1ant_act_wifi_conn_sp_pkt
+ */
+ return;
+ }
+
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], special Packet(%d) notify\n", type);
btc8821a1ant_act_wifi_conn_sp_pkt(btcoexist);
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.h
b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.h
index 1bd1ebe3364e..8d6ee81586fd 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.h
@@ -135,6 +135,7 @@ struct coex_dm_8821a_1ant {
u8 cur_retry_limit_type;
u8 pre_ampdu_time_type;
u8 cur_ampdu_time_type;
+ u32 arp_cnt;
u8 error_condition;
};
--
2.12.0
