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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2012-02-22 11:10:38 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-02-27 23:06:34 +0400
commitc0ac53fa5725aa9e571386d3e7249c1be50eca10 (patch)
tree77a2ac188d9a24b887ff41434d2a733631e68eb6 /drivers/net/wireless/ath/ath9k/xmit.c
parent56ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9 (diff)
downloadlinux-c0ac53fa5725aa9e571386d3e7249c1be50eca10.tar.xz
ath9k: Calculate ampdu limit using a helper
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 3182408ffe35..5dd27d2712fc 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).