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Diffstat (limited to 'net/mac80211/agg-tx.c')
-rw-r--r--net/mac80211/agg-tx.c40
1 files changed, 11 insertions, 29 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index b7075f33dc0..250b9a53f6d 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -68,11 +68,9 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
- if (!skb) {
- printk(KERN_ERR "%s: failed to allocate buffer "
- "for addba request frame\n", sdata->name);
+ if (!skb)
return;
- }
+
skb_reserve(skb, local->hw.extra_tx_headroom);
mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
memset(mgmt, 0, 24);
@@ -114,11 +112,9 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1
u16 bar_control = 0;
skb = dev_alloc_skb(sizeof(*bar) + local->hw.extra_tx_headroom);
- if (!skb) {
- printk(KERN_ERR "%s: failed to allocate buffer for "
- "bar frame\n", sdata->name);
+ if (!skb)
return;
- }
+
skb_reserve(skb, local->hw.extra_tx_headroom);
bar = (struct ieee80211_bar *)skb_put(skb, sizeof(*bar));
memset(bar, 0, sizeof(*bar));
@@ -128,7 +124,7 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1
memcpy(bar->ta, sdata->vif.addr, ETH_ALEN);
bar_control |= (u16)IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL;
bar_control |= (u16)IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA;
- bar_control |= (u16)(tid << 12);
+ bar_control |= (u16)(tid << IEEE80211_BAR_CTRL_TID_INFO_SHIFT);
bar->control = cpu_to_le16(bar_control);
bar->start_seq_num = cpu_to_le16(ssn);
@@ -364,7 +360,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
return -EINVAL;
if ((tid >= STA_TID_NUM) ||
- !(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION))
+ !(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION) ||
+ (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW))
return -EINVAL;
#ifdef CONFIG_MAC80211_HT_DEBUG
@@ -413,11 +410,6 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
/* prepare A-MPDU MLME for Tx aggregation */
tid_tx = kzalloc(sizeof(struct tid_ampdu_tx), GFP_ATOMIC);
if (!tid_tx) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_ERR "allocate tx mlme to tid %d failed\n",
- tid);
-#endif
ret = -ENOMEM;
goto err_unlock_sta;
}
@@ -574,14 +566,9 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
struct ieee80211_ra_tid *ra_tid;
struct sk_buff *skb = dev_alloc_skb(0);
- if (unlikely(!skb)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_WARNING "%s: Not enough memory, "
- "dropping start BA session", sdata->name);
-#endif
+ if (unlikely(!skb))
return;
- }
+
ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
memcpy(&ra_tid->ra, ra, ETH_ALEN);
ra_tid->tid = tid;
@@ -727,14 +714,9 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
struct ieee80211_ra_tid *ra_tid;
struct sk_buff *skb = dev_alloc_skb(0);
- if (unlikely(!skb)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_WARNING "%s: Not enough memory, "
- "dropping stop BA session", sdata->name);
-#endif
+ if (unlikely(!skb))
return;
- }
+
ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
memcpy(&ra_tid->ra, ra, ETH_ALEN);
ra_tid->tid = tid;