From: Yan-Hsuan Chuang Date: Mon, 3 Apr 2017 18:41:33 +0000 (-0500) Subject: rtlwifi: btcoex: 23b 2ant: add btc8723b2ant_limited_rx to reduce agg size X-Git-Tag: v4.14-rc1~960^3~211^2~10 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=155305f5b0eb4f849f2552a45578b35c5998d399;p=platform%2Fkernel%2Flinux-rpi.git rtlwifi: btcoex: 23b 2ant: add btc8723b2ant_limited_rx to reduce agg size For wifi and bt coexistence, if the aggregation size of wifi is too large, the transmission time of the aggregated packet could be too long and the bt packets might "cut off" the wifi packet. We need to reduce the aggregation size to improve wifi performance. Signed-off-by: Yan-Hsuan Chuang Signed-off-by: Larry Finger Cc: Pkshih Cc: Birming Chiu Cc: Shaofu Cc: Steven Ting Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c index 9b09b94..b182c61 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c @@ -240,6 +240,29 @@ static u8 btc8723b2ant_wifi_rssi_state(struct btc_coexist *btcoexist, return wifi_rssi_state; } +static +void btc8723b2ant_limited_rx(struct btc_coexist *btcoexist, bool force_exec, + bool rej_ap_agg_pkt, bool bt_ctrl_agg_buf_size, + u8 agg_buf_size) +{ + bool reject_rx_agg = rej_ap_agg_pkt; + bool bt_ctrl_rx_agg_size = bt_ctrl_agg_buf_size; + u8 rx_agg_size = agg_buf_size; + + /* ============================================ */ + /* Rx Aggregation related setting */ + /* ============================================ */ + btcoexist->btc_set(btcoexist, BTC_SET_BL_TO_REJ_AP_AGG_PKT, + &reject_rx_agg); + /* decide BT control aggregation buf size or not */ + btcoexist->btc_set(btcoexist, BTC_SET_BL_BT_CTRL_AGG_SIZE, + &bt_ctrl_rx_agg_size); + /* aggregate buf size, only work when BT control Rx aggregate size */ + btcoexist->btc_set(btcoexist, BTC_SET_U1_AGG_BUF_SIZE, &rx_agg_size); + /* real update aggregation setting */ + btcoexist->btc_set(btcoexist, BTC_SET_ACT_AGGREGATE_CTRL, NULL); +} + static void btc8723b2ant_monitor_bt_ctr(struct btc_coexist *btcoexist) { struct rtl_priv *rtlpriv = btcoexist->adapter; @@ -1266,6 +1289,8 @@ static bool btc8723b2ant_is_common_action(struct btc_coexist *btcoexist) low_pwr_disable = false; btcoexist->btc_set(btcoexist, BTC_SET_ACT_DISABLE_LOW_POWER, &low_pwr_disable); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, + false, false, 0x8); RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], Wifi non-connected idle!!\n"); @@ -1288,6 +1313,8 @@ static bool btc8723b2ant_is_common_action(struct btc_coexist *btcoexist) btcoexist->btc_set(btcoexist, BTC_SET_ACT_DISABLE_LOW_POWER, &low_pwr_disable); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, + false, false, 0x8); RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], Wifi connected + BT non connected-idle!!\n"); @@ -1317,6 +1344,8 @@ static bool btc8723b2ant_is_common_action(struct btc_coexist *btcoexist) return false; RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], Wifi connected + BT connected-idle!!\n"); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, + false, false, 0x8); btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); @@ -1576,6 +1605,7 @@ static void btc8723b2ant_action_sco(struct btc_coexist *btcoexist) btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 4); btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw); @@ -1623,6 +1653,7 @@ static void btc8723b2ant_action_hid(struct btc_coexist *btcoexist) btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, true, 0x5); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw); @@ -1701,6 +1732,7 @@ static void btc8723b2ant_action_a2dp(struct btc_coexist *btcoexist) } btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); @@ -1746,6 +1778,7 @@ static void btc8723b2ant_action_a2dp_pan_hs(struct btc_coexist *btcoexist) btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); btc8723b2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 7); @@ -1786,6 +1819,7 @@ static void btc8723b2ant_action_pan_edr(struct btc_coexist *btcoexist) btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); if (BTC_RSSI_HIGH(bt_rssi_state)) @@ -1835,6 +1869,7 @@ static void btc8723b2ant_action_pan_hs(struct btc_coexist *btcoexist) btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) || @@ -1880,6 +1915,7 @@ static void btc8723b2ant_action_pan_edr_a2dp(struct btc_coexist *btcoexist) btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); if (BTC_RSSI_HIGH(bt_rssi_state)) @@ -1935,6 +1971,8 @@ static void btc8723b2ant_action_pan_edr_hid(struct btc_coexist *btcoexist) bt_rssi_state = btc8723b2ant_bt_rssi_state(btcoexist, 2, 29, 0); btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); + if (BTC_RSSI_HIGH(bt_rssi_state)) btc8723b2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 2); else @@ -2000,6 +2038,7 @@ static void btc8723b2ant_action_hid_a2dp_pan_edr(struct btc_coexist *btcoexist) btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); if (BTC_RSSI_HIGH(bt_rssi_state)) @@ -2056,6 +2095,7 @@ static void btc8723b2ant_action_hid_a2dp(struct btc_coexist *btcoexist) btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0); + btc8723b2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8); btc8723b2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6); btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw);