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mac80211: Move ieee802111_tx_dequeue() to later in tx.c 

The TXQ path restructure requires ieee80211_tx_dequeue() to call TX
handlers and parts of the xmit_fast path. Move the function to later in
tx.c in preparation for this.

Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Toke Høiland-Jørgensen 2016-09-22 19:04:19 +02:00 committed by Johannes Berg
parent 8f7d99ba85
commit e0e2effff5
1 changed files with 45 additions and 45 deletions
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90
net/mac80211/tx.c
View File

@ -1476,51 +1476,6 @@ void ieee80211_txq_teardown_flows(struct ieee80211_local *local)
spin_unlock_bh(&fq->lock);
}
struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
struct ieee80211_txq *txq)
{
struct ieee80211_local *local = hw_to_local(hw);
struct txq_info *txqi = container_of(txq, struct txq_info, txq);
struct ieee80211_hdr *hdr;
struct sk_buff *skb = NULL;
struct fq *fq = &local->fq;
struct fq_tin *tin = &txqi->tin;
spin_lock_bh(&fq->lock);
if (test_bit(IEEE80211_TXQ_STOP, &txqi->flags))
goto out;
skb = fq_tin_dequeue(fq, tin, fq_tin_dequeue_func);
if (!skb)
goto out;
ieee80211_set_skb_vif(skb, txqi);
hdr = (struct ieee80211_hdr *)skb->data;
if (txq->sta && ieee80211_is_data_qos(hdr->frame_control)) {
struct sta_info *sta = container_of(txq->sta, struct sta_info,
sta);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
hdr->seq_ctrl = ieee80211_tx_next_seq(sta, txq->tid);
if (test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags))
info->flags |= IEEE80211_TX_CTL_AMPDU;
else
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
}
out:
spin_unlock_bh(&fq->lock);
if (skb && skb_has_frag_list(skb) &&
!ieee80211_hw_check(&local->hw, TX_FRAG_LIST))
skb_linearize(skb);
return skb;
}
EXPORT_SYMBOL(ieee80211_tx_dequeue);
static bool ieee80211_tx_frags(struct ieee80211_local *local,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
@ -3311,6 +3266,51 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
return true;
}
struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
struct ieee80211_txq *txq)
{
struct ieee80211_local *local = hw_to_local(hw);
struct txq_info *txqi = container_of(txq, struct txq_info, txq);
struct ieee80211_hdr *hdr;
struct sk_buff *skb = NULL;
struct fq *fq = &local->fq;
struct fq_tin *tin = &txqi->tin;
spin_lock_bh(&fq->lock);
if (test_bit(IEEE80211_TXQ_STOP, &txqi->flags))
goto out;
skb = fq_tin_dequeue(fq, tin, fq_tin_dequeue_func);
if (!skb)
goto out;
ieee80211_set_skb_vif(skb, txqi);
hdr = (struct ieee80211_hdr *)skb->data;
if (txq->sta && ieee80211_is_data_qos(hdr->frame_control)) {
struct sta_info *sta = container_of(txq->sta, struct sta_info,
sta);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
hdr->seq_ctrl = ieee80211_tx_next_seq(sta, txq->tid);
if (test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags))
info->flags |= IEEE80211_TX_CTL_AMPDU;
else
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
}
out:
spin_unlock_bh(&fq->lock);
if (skb && skb_has_frag_list(skb) &&
!ieee80211_hw_check(&local->hw, TX_FRAG_LIST))
skb_linearize(skb);
return skb;
}
EXPORT_SYMBOL(ieee80211_tx_dequeue);
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
u32 info_flags)