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mt7603: do not request tx status for no-ack frames

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2016-03-03 21:51:17 +01:00
parent fc412aab0d
commit 371bb8ce55
1 changed files with 40 additions and 22 deletions
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mt7603_mac.c
+40 -22
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@@ -675,41 +675,59 @@ mt7603_mac_write_txwi(struct mt7603_dev *dev, __le32 *txwi,
return 0;
}
static int
mt7603_add_tx_status_skb(struct mt7603_dev *dev, struct mt7603_sta *msta,
struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct mt7603_cb *cb = mt7603_skb_cb(skb);
int pid;
if (!msta)
return 0;
if (info->flags & IEEE80211_TX_CTL_NO_ACK)
return 0;
if (!(info->flags & (IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_CTL_RATE_CTRL_PROBE)) &&
info->control.rates[0].idx < 0)
return 0;
spin_lock_bh(&dev->status_lock);
memset(cb, 0, sizeof(*cb));
msta->pid = (msta->pid + 1) & MT_PID_INDEX;
if (!msta->pid || msta->pid == MT_PID_NOACK)
msta->pid = 1;
pid = msta->pid;
cb->wcid = msta->wcid.idx;
cb->pktid = pid;
__skb_queue_tail(&dev->status_list, skb);
spin_unlock_bh(&dev->status_lock);
return pid;
}
int mt7603_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
struct sk_buff *skb, struct mt76_queue *q,
struct mt76_wcid *wcid, struct ieee80211_sta *sta,
u32 *tx_info)
{
struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct mt7603_sta *msta = container_of(wcid, struct mt7603_sta, wcid);
struct mt7603_cb *cb = mt7603_skb_cb(skb);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_key_conf *key = info->control.hw_key;
int pid = 0;
int pid;
if (!wcid)
wcid = &dev->global_sta.wcid;
memset(cb, 0, sizeof(*cb));
if ((info->flags & (IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_CTL_RATE_CTRL_PROBE)) ||
info->control.rates[0].idx >= 0) {
spin_lock_bh(&dev->status_lock);
msta->pid = (msta->pid + 1) & MT_PID_INDEX;
if (!msta->pid || msta->pid == MT_PID_NOACK)
msta->pid = 1;
pid = msta->pid;
cb->wcid = wcid->idx;
cb->pktid = pid;
__skb_queue_tail(&dev->status_list, skb);
spin_unlock_bh(&dev->status_lock);
} else {
pid = mt7603_add_tx_status_skb(dev, msta, skb);
if (!pid)
skb->next = skb->prev = NULL;
}
mt7603_mac_write_txwi(dev, txwi_ptr, skb, q, wcid, sta, pid, key);