Signed-off-by: Sujith Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/ath9k.h | 1 +
drivers/net/wireless/ath/ath9k/gpio.c | 14 ++++++++++++++
drivers/net/wireless/ath/ath9k/xmit.c | 19 +++++++++----------
3 files changed, 24 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index acf5372..23145ce 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -461,6 +461,7 @@ void ath9k_stop_btcoex(struct ath_softc *sc);
void ath9k_btcoex_timer_resume(struct ath_softc *sc);
void ath9k_btcoex_timer_pause(struct ath_softc *sc);
void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
+u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
/********************/
/* LED Control */
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index a24aa67..e870251 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -318,6 +318,20 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc)
btcoex->hw_timer_enabled = false;
}
+u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen)
+{
+ struct ath_mci_profile *mci = &sc->btcoex.mci;
+ u16 aggr_limit = 0;
+
+ if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit)
+ aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4;
+ else if (sc->sc_flags & SC_OP_BT_PRIORITY_DETECTED)
+ aggr_limit = min((max_4ms_framelen * 3) / 8,
+ (u32)ATH_AMPDU_LIMIT_MAX);
+
+ return aggr_limit;
+}
+
void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status)
{
struct ath_hw *ah = sc->sc_ah;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 3182408..5dd27d2 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -647,9 +647,8 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
struct sk_buff *skb;
struct ieee80211_tx_info *tx_info;
struct ieee80211_tx_rate *rates;
- struct ath_mci_profile *mci = &sc->btcoex.mci;
u32 max_4ms_framelen, frmlen;
- u16 aggr_limit, legacy = 0;
+ u16 aggr_limit, bt_aggr_limit, legacy = 0;
int i;
skb = bf->bf_mpdu;
@@ -694,14 +693,14 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
if (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE || legacy)
return 0;
- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit)
- aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4;
- else if (sc->sc_flags & SC_OP_BT_PRIORITY_DETECTED)
- aggr_limit = min((max_4ms_framelen * 3) / 8,
- (u32)ATH_AMPDU_LIMIT_MAX);
- else
- aggr_limit = min(max_4ms_framelen,
- (u32)ATH_AMPDU_LIMIT_MAX);
+ aggr_limit = min(max_4ms_framelen, (u32)ATH_AMPDU_LIMIT_MAX);
+
+ /*
+ * Override the default aggregation limit for BTCOEX.
+ */
+ bt_aggr_limit = ath9k_btcoex_aggr_limit(sc, max_4ms_framelen);
+ if (bt_aggr_limit)
+ aggr_limit = bt_aggr_limit;
/*
* h/w can accept aggregates up to 16 bit lengths (65535).
--
1.7.9.1