diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 67 |
1 files changed, 20 insertions, 47 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index c35033f1a5e0..f3f0d1c6ad0a 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1742,41 +1742,14 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf, int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, struct ath_tx_control *txctl) { + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; struct ath_txq *txq = txctl->txq; struct ath_buf *bf; - int q; - - bf = ath_tx_setup_buffer(hw, skb); - if (unlikely(!bf)) - return -ENOMEM; - - q = skb_get_queue_mapping(skb); - spin_lock_bh(&txq->axq_lock); - if (txq == sc->tx.txq_map[q] && - ++txq->pending_frames > ATH_MAX_QDEPTH && !txq->stopped) { - ath_mac80211_stop_queue(sc, q); - txq->stopped = 1; - } - spin_unlock_bh(&txq->axq_lock); - - ath_tx_start_dma(sc, bf, txctl); - - return 0; -} - -void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb) -{ - struct ath_wiphy *aphy = hw->priv; - struct ath_softc *sc = aphy->sc; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; int padpos, padsize; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ath_tx_control txctl; - - memset(&txctl, 0, sizeof(struct ath_tx_control)); + int q; /* * As a temporary workaround, assign seq# here; this will likely need @@ -1793,30 +1766,30 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb) /* Add the padding after the header if this is not already done */ padpos = ath9k_cmn_padpos(hdr->frame_control); padsize = padpos & 3; - if (padsize && skb->len>padpos) { - if (skb_headroom(skb) < padsize) { - ath_print(common, ATH_DBG_XMIT, - "TX CABQ padding failed\n"); - dev_kfree_skb_any(skb); - return; - } + if (padsize && skb->len > padpos) { + if (skb_headroom(skb) < padsize) + return -ENOMEM; + skb_push(skb, padsize); memmove(skb->data, skb->data + padsize, padpos); } - txctl.txq = sc->beacon.cabq; - - ath_print(common, ATH_DBG_XMIT, - "transmitting CABQ packet, skb: %p\n", skb); + bf = ath_tx_setup_buffer(hw, skb); + if (unlikely(!bf)) + return -ENOMEM; - if (ath_tx_start(hw, skb, &txctl) != 0) { - ath_print(common, ATH_DBG_XMIT, "CABQ TX failed\n"); - goto exit; + q = skb_get_queue_mapping(skb); + spin_lock_bh(&txq->axq_lock); + if (txq == sc->tx.txq_map[q] && + ++txq->pending_frames > ATH_MAX_QDEPTH && !txq->stopped) { + ath_mac80211_stop_queue(sc, q); + txq->stopped = 1; } + spin_unlock_bh(&txq->axq_lock); - return; -exit: - dev_kfree_skb_any(skb); + ath_tx_start_dma(sc, bf, txctl); + + return 0; } /*****************/ |