diff options
| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2012-02-22 11:10:38 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-02-27 23:06:34 +0400 |
| commit | c0ac53fa5725aa9e571386d3e7249c1be50eca10 (patch) | |
| tree | 77a2ac188d9a24b887ff41434d2a733631e68eb6 | |
| parent | 56ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9 (diff) | |
| download | linux-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>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/gpio.c | 14 | ||||
| -rw-r--r-- | 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 acf537288946..23145ce9ea3f 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 a24aa679c699..e870251cdd1b 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 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). |