diff options
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r-- | net/mac80211/tx.c | 79 |
1 files changed, 42 insertions, 37 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 91461c415525..18b285e06bc8 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -368,7 +368,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) skb = skb_dequeue(&ps->bc_buf); if (skb) { purged++; - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); } total += skb_queue_len(&ps->bc_buf); } @@ -451,7 +451,7 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx) if (skb_queue_len(&ps->bc_buf) >= AP_MAX_BC_BUFFER) { ps_dbg(tx->sdata, "BC TX buffer full - dropping the oldest frame\n"); - dev_kfree_skb(skb_dequeue(&ps->bc_buf)); + ieee80211_free_txskb(&tx->local->hw, skb_dequeue(&ps->bc_buf)); } else tx->local->total_ps_buffered++; @@ -796,6 +796,36 @@ static __le16 ieee80211_tx_next_seq(struct sta_info *sta, int tid) return ret; } +static struct txq_info *ieee80211_get_txq(struct ieee80211_local *local, + struct ieee80211_vif *vif, + struct ieee80211_sta *pubsta, + struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_txq *txq = NULL; + + if ((info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) || + (info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE)) + return NULL; + + if (!ieee80211_is_data(hdr->frame_control)) + return NULL; + + if (pubsta) { + u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; + + txq = pubsta->txq[tid]; + } else if (vif) { + txq = vif->txq; + } + + if (!txq) + return NULL; + + return to_txq_info(txq); +} + static ieee80211_tx_result debug_noinline ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) { @@ -853,7 +883,8 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) tid = *qc & IEEE80211_QOS_CTL_TID_MASK; tx->sta->tx_stats.msdu[tid]++; - if (!tx->sta->sta.txq[0]) + if (!ieee80211_get_txq(tx->local, info->control.vif, &tx->sta->sta, + tx->skb)) hdr->seq_ctrl = ieee80211_tx_next_seq(tx->sta, tid); return TX_CONTINUE; @@ -1243,36 +1274,6 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, return TX_CONTINUE; } -static struct txq_info *ieee80211_get_txq(struct ieee80211_local *local, - struct ieee80211_vif *vif, - struct ieee80211_sta *pubsta, - struct sk_buff *skb) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_txq *txq = NULL; - - if ((info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) || - (info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE)) - return NULL; - - if (!ieee80211_is_data(hdr->frame_control)) - return NULL; - - if (pubsta) { - u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; - - txq = pubsta->txq[tid]; - } else if (vif) { - txq = vif->txq; - } - - if (!txq) - return NULL; - - return to_txq_info(txq); -} - static void ieee80211_set_skb_enqueue_time(struct sk_buff *skb) { IEEE80211_SKB_CB(skb)->control.enqueue_time = codel_get_time(); @@ -1514,8 +1515,12 @@ out: spin_unlock_bh(&fq->lock); if (skb && skb_has_frag_list(skb) && - !ieee80211_hw_check(&local->hw, TX_FRAG_LIST)) - skb_linearize(skb); + !ieee80211_hw_check(&local->hw, TX_FRAG_LIST)) { + if (skb_linearize(skb)) { + ieee80211_free_txskb(&local->hw, skb); + return NULL; + } + } return skb; } @@ -3264,7 +3269,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { *ieee80211_get_qos_ctl(hdr) = tid; - if (!sta->sta.txq[0]) + if (!ieee80211_get_txq(local, &sdata->vif, &sta->sta, skb)) hdr->seq_ctrl = ieee80211_tx_next_seq(sta, tid); } else { info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; @@ -4275,7 +4280,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev); if (!ieee80211_tx_prepare(sdata, &tx, NULL, skb)) break; - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } info = IEEE80211_SKB_CB(skb); |