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>

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 61d302d..e8c9964 100644 (file)
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -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)