From 2635664e6e4a691ad6f1e0c13a04623cac3794da Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Sun, 18 Jun 2017 11:12:47 -0500 Subject: [PATCH] rtlwifi: Add rx ampdu cfg for btcoexist. If RX ampdu is too long, BT will have less time. Signed-off-by: Ping-Ke Shih Signed-off-by: Larry Finger Cc: Yan-Hsuan Chuang Cc: Birming Chiu Cc: Shaofu Cc: Steven Ting Signed-off-by: Kalle Valo --- drivers/net/wireless/realtek/rtlwifi/base.c | 27 ++++++++++++++++++++++ drivers/net/wireless/realtek/rtlwifi/base.h | 1 + .../realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 16 +++++++++++-- .../wireless/realtek/rtlwifi/btcoexist/rtl_btc.c | 12 ++++++++++ .../wireless/realtek/rtlwifi/btcoexist/rtl_btc.h | 2 ++ drivers/net/wireless/realtek/rtlwifi/wifi.h | 2 ++ 6 files changed, 58 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index 897ec3cfa8c8..c6fef54f6543 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -1582,6 +1582,7 @@ int rtl_rx_agg_start(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_tid_data *tid_data; struct rtl_sta_info *sta_entry = NULL; + u8 reject_agg; if (sta == NULL) return -EINVAL; @@ -1589,6 +1590,14 @@ int rtl_rx_agg_start(struct ieee80211_hw *hw, if (unlikely(tid >= MAX_TID_COUNT)) return -EINVAL; + if (rtlpriv->cfg->ops->get_btc_status()) { + rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv, + &reject_agg, + NULL, NULL); + if (reject_agg) + return -EINVAL; + } + sta_entry = (struct rtl_sta_info *)sta->drv_priv; if (!sta_entry) return -ENXIO; @@ -1643,6 +1652,24 @@ int rtl_tx_agg_oper(struct ieee80211_hw *hw, return 0; } +void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) +{ + struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; + u8 reject_agg, ctrl_agg_size = 0, agg_size; + + if (rtlpriv->cfg->ops->get_btc_status()) + btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, + &ctrl_agg_size, &agg_size); + + RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, + "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", + reject_agg, ctrl_agg_size, agg_size); + + rtlpriv->hw->max_rx_aggregation_subframes = + (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF); +} +EXPORT_SYMBOL(rtl_rx_ampdu_apply); + /********************************************************* * * wq & timer callback functions diff --git a/drivers/net/wireless/realtek/rtlwifi/base.h b/drivers/net/wireless/realtek/rtlwifi/base.h index a619fc92a9c0..21fa4562f631 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.h +++ b/drivers/net/wireless/realtek/rtlwifi/base.h @@ -147,6 +147,7 @@ int rtl_rx_agg_start(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u16 tid); int rtl_rx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u16 tid); +void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv); void rtl_watchdog_wq_callback(void *data); void rtl_fwevt_wq_callback(void *data); void rtl_c2hcmd_wq_callback(void *data); diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c index 451039ac7b0a..226927a752f8 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c @@ -272,14 +272,24 @@ static void halbtc_disable_low_power(struct btc_coexist *btcoexist, static void halbtc_aggregation_check(struct btc_coexist *btcoexist) { bool need_to_act = false; + static unsigned long pre_time; + unsigned long cur_time = 0; + struct rtl_priv *rtlpriv = btcoexist->adapter; /* To void continuous deleteBA=>addBA=>deleteBA=>addBA * This function is not allowed to continuous called * It can only be called after 8 seconds */ + cur_time = jiffies; + if (jiffies_to_msecs(cur_time - pre_time) <= 8000) { + /* over 8 seconds you can execute this function again. */ + return; + } + pre_time = cur_time; + if (btcoexist->bt_info.reject_agg_pkt) { - ;/* TODO: reject */ + need_to_act = true; btcoexist->bt_info.pre_reject_agg_pkt = btcoexist->bt_info.reject_agg_pkt; } else { @@ -304,8 +314,10 @@ static void halbtc_aggregation_check(struct btc_coexist *btcoexist) btcoexist->bt_info.pre_agg_buf_size = btcoexist->bt_info.agg_buf_size; } - } + if (need_to_act) + rtl_rx_ampdu_apply(rtlpriv); + } } static u32 halbtc_get_bt_patch_version(struct btc_coexist *btcoexist) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c index 3b976dab712f..96c1ccbf70ac 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c @@ -46,6 +46,7 @@ static struct rtl_btc_ops rtl_btc_operation = { .btc_is_bt_disabled = rtl_btc_is_bt_disabled, .btc_special_packet_notify = rtl_btc_special_packet_notify, .btc_record_pwr_mode = rtl_btc_record_pwr_mode, + .btc_get_ampdu_cfg = rtl_btc_get_ampdu_cfg, }; void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len) @@ -60,6 +61,17 @@ void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len) memcpy(gl_bt_coexist.pwr_mode_val, buf, safe_len); } +void rtl_btc_get_ampdu_cfg(struct rtl_priv *rtlpriv, u8 *reject_agg, + u8 *ctrl_agg_size, u8 *agg_size) +{ + if (reject_agg) + *reject_agg = gl_bt_coexist.bt_info.reject_agg_pkt; + if (ctrl_agg_size) + *ctrl_agg_size = gl_bt_coexist.bt_info.bt_ctrl_agg_buf_size; + if (agg_size) + *agg_size = gl_bt_coexist.bt_info.agg_buf_size; +} + void rtl_btc_init_variables(struct rtl_priv *rtlpriv) { exhalbtc_initlize_variables(); diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h index 9eeb4fdeaec1..c1c32d685c5d 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h @@ -44,6 +44,8 @@ bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv); bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv); void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type); void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len); +void rtl_btc_get_ampdu_cfg(struct rtl_priv *rtlpriv, u8 *reject_agg, + u8 *ctrl_agg_size, u8 *agg_size); struct rtl_btc_ops *rtl_btc_get_ops_pointer(void); diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h index 41ebdb9d3627..0591adedce76 100644 --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h @@ -2561,6 +2561,8 @@ struct rtl_btc_ops { void (*btc_special_packet_notify)(struct rtl_priv *rtlpriv, u8 pkt_type); void (*btc_record_pwr_mode)(struct rtl_priv *rtlpriv, u8 *buf, u8 len); + void (*btc_get_ampdu_cfg)(struct rtl_priv *rtlpriv, u8 *reject_agg, + u8 *ctrl_agg_size, u8 *agg_size); }; struct proxim { -- 2.11.0