rtlwifi: btcoex: 23b 1ant: Special packets statistic in notification

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>

diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
index b8b50c13d911c7a059a5ae5b2d55f600f4ba05f1..188e248b22656ecd83e525ff2d8cf26067a29a28 100644 (file)
--- 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 592a289c993c6ae04babf0d382c1c6010423e6b1..8df1036e36f105ace0bbda1f035f2b4b227ad96f 100644 (file)
--- 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;
 };