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Commit eebc5878 authored by Yan-Hsuan Chuang's avatar Yan-Hsuan Chuang Committed by Kalle Valo
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rtlwifi: btcoex: 21a 2ant: monitor wifi counter to check network status 



If there are a lot of low-rate packets, then the connection of wifi is
unstable. If so, we should switch resource to bt to have a higher
transmission quality, or wifi resource will be wasted

Signed-off-by: default avatarYan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Cc: Pkshih <pkshih@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 4776d349

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c

+38 −0
Original line number Diff line number Diff line
@@ -306,6 +306,43 @@ static void btc8821a2ant_monitor_bt_ctr(struct btc_coexist *btcoexist) 
	btcoexist->btc_write_1byte(btcoexist, 0x76e, 0xc);

}



static void btc8821a2ant_monitor_wifi_ctr(struct btc_coexist *btcoexist)

{

	if (coex_sta->under_ips) {

		coex_sta->crc_ok_cck = 0;

		coex_sta->crc_ok_11g = 0;

		coex_sta->crc_ok_11n = 0;

		coex_sta->crc_ok_11n_agg = 0;



		coex_sta->crc_err_cck = 0;

		coex_sta->crc_err_11g = 0;

		coex_sta->crc_err_11n = 0;

		coex_sta->crc_err_11n_agg = 0;

	} else {

		coex_sta->crc_ok_cck =

			btcoexist->btc_read_4byte(btcoexist, 0xf88);

		coex_sta->crc_ok_11g =

			btcoexist->btc_read_2byte(btcoexist, 0xf94);

		coex_sta->crc_ok_11n =

			btcoexist->btc_read_2byte(btcoexist, 0xf90);

		coex_sta->crc_ok_11n_agg =

			btcoexist->btc_read_2byte(btcoexist, 0xfb8);



		coex_sta->crc_err_cck =

			btcoexist->btc_read_4byte(btcoexist, 0xf84);

		coex_sta->crc_err_11g =

			btcoexist->btc_read_2byte(btcoexist, 0xf96);

		coex_sta->crc_err_11n =

			btcoexist->btc_read_2byte(btcoexist, 0xf92);

		coex_sta->crc_err_11n_agg =

			btcoexist->btc_read_2byte(btcoexist, 0xfba);

	}



	/* reset counter */

	btcoexist->btc_write_1byte_bitmask(btcoexist, 0xf16, 0x1, 0x1);

	btcoexist->btc_write_1byte_bitmask(btcoexist, 0xf16, 0x1, 0x0);

}



static void btc8821a2ant_query_bt_info(struct btc_coexist *btcoexist)

{

	struct rtl_priv *rtlpriv = btcoexist->adapter;
@@ -2888,4 +2925,5 @@ void ex_btc8821a2ant_periodical(struct btc_coexist *btcoexist) 


	btc8821a2ant_query_bt_info(btcoexist);

	btc8821a2ant_monitor_bt_ctr(btcoexist);

	btc8821a2ant_monitor_wifi_ctr(btcoexist);

}

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.h

+10 −0
Original line number Diff line number Diff line
@@ -141,6 +141,16 @@ struct coex_sta_8821a_2ant { 
	bool	c2h_bt_inquiry_page;

	u8	bt_retry_cnt;

	u8	bt_info_ext;



	u32	crc_ok_cck;

	u32	crc_ok_11g;

	u32	crc_ok_11n;

	u32	crc_ok_11n_agg;



	u32	crc_err_cck;

	u32	crc_err_11g;

	u32	crc_err_11n;

	u32	crc_err_11n_agg;

};



/*===========================================