diff options
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 54 |
1 files changed, 40 insertions, 14 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index dbfe9f45050e..fb5193764afa 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -242,8 +242,8 @@ static int ath5k_get_tx_stats(struct ieee80211_hw *hw, static u64 ath5k_get_tsf(struct ieee80211_hw *hw); static void ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf); static void ath5k_reset_tsf(struct ieee80211_hw *hw); -static int ath5k_beacon_update(struct ath5k_softc *sc, - struct sk_buff *skb); +static int ath5k_beacon_update(struct ieee80211_hw *hw, + struct ieee80211_vif *vif); static void ath5k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, @@ -2127,8 +2127,10 @@ ath5k_beacon_send(struct ath5k_softc *sc) /* NB: hw still stops DMA, so proceed */ } - /* Note: Beacon buffer is updated on beacon_update when mac80211 - * calls config_interface */ + /* refresh the beacon for AP mode */ + if (sc->opmode == NL80211_IFTYPE_AP) + ath5k_beacon_update(sc->hw, sc->vif); + ath5k_hw_set_txdp(ah, sc->bhalq, bf->daddr); ath5k_hw_start_tx_dma(ah, sc->bhalq); ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "TXDP[%u] = %llx (%p)\n", @@ -3047,28 +3049,55 @@ ath5k_reset_tsf(struct ieee80211_hw *hw) ath5k_hw_reset_tsf(sc->ah); } +/* + * Updates the beacon that is sent by ath5k_beacon_send. For adhoc, + * this is called only once at config_bss time, for AP we do it every + * SWBA interrupt so that the TIM will reflect buffered frames. + * + * Called with the beacon lock. + */ static int -ath5k_beacon_update(struct ath5k_softc *sc, struct sk_buff *skb) +ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { - unsigned long flags; int ret; + struct ath5k_softc *sc = hw->priv; + struct sk_buff *skb = ieee80211_beacon_get(hw, vif); + + if (!skb) { + ret = -ENOMEM; + goto out; + } ath5k_debug_dump_skb(sc, skb, "BC ", 1); - spin_lock_irqsave(&sc->block, flags); ath5k_txbuf_free(sc, sc->bbuf); sc->bbuf->skb = skb; ret = ath5k_beacon_setup(sc, sc->bbuf); if (ret) sc->bbuf->skb = NULL; +out: + return ret; +} + +/* + * Update the beacon and reconfigure the beacon queues. + */ +static void +ath5k_beacon_reconfig(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + int ret; + unsigned long flags; + struct ath5k_softc *sc = hw->priv; + + spin_lock_irqsave(&sc->block, flags); + ret = ath5k_beacon_update(hw, vif); spin_unlock_irqrestore(&sc->block, flags); - if (!ret) { + if (ret == 0) { ath5k_beacon_config(sc); mmiowb(); } - - return ret; } + static void set_beacon_filter(struct ieee80211_hw *hw, bool enable) { @@ -3118,10 +3147,7 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw, (vif->type == NL80211_IFTYPE_ADHOC || vif->type == NL80211_IFTYPE_MESH_POINT || vif->type == NL80211_IFTYPE_AP)) { - struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); - - if (beacon) - ath5k_beacon_update(sc, beacon); + ath5k_beacon_reconfig(hw, vif); } unlock: |
