---

yaml --- r: 351341 b: refs/heads/master c: 416186f h: refs/heads/master i: 351339: 2ee764b v: v3
git-mirror · Jan 11, 2013 · 02ec9e7 · 02ec9e7
1 parent 7cc22a5
commit 02ec9e7
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Showing 3 changed files with 34 additions and 26 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c10d73671ad30f54692f7f69f0e09e75d3a8926a
+refs/heads/master: 416186fbf8c5b4e4465a10c6ac7a45b6c47144b2
diff --git a/trunk/include/linux/netdevice.h b/trunk/include/linux/netdevice.h
@@ -1403,6 +1403,7 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev,
 
 extern struct netdev_queue *netdev_pick_tx(struct net_device *dev,
 					   struct sk_buff *skb);
+extern u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb);
 
 /*
  * Net namespace inlines

diff --git a/trunk/net/core/dev.c b/trunk/net/core/dev.c
@@ -2495,37 +2495,44 @@ static inline int get_xps_queue(struct net_device *dev, struct sk_buff *skb)
 #endif
 }
 
-struct netdev_queue *netdev_pick_tx(struct net_device *dev,
-				    struct sk_buff *skb)
+u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb)
 {
-	int queue_index;
-	const struct net_device_ops *ops = dev->netdev_ops;
-
-	if (dev->real_num_tx_queues == 1)
-		queue_index = 0;
-	else if (ops->ndo_select_queue) {
-		queue_index = ops->ndo_select_queue(dev, skb);
-		queue_index = dev_cap_txqueue(dev, queue_index);
-	} else {
-		struct sock *sk = skb->sk;
-		queue_index = sk_tx_queue_get(sk);
+	struct sock *sk = skb->sk;
+	int queue_index = sk_tx_queue_get(sk);
 
-		if (queue_index < 0 || skb->ooo_okay ||
-		    queue_index >= dev->real_num_tx_queues) {
-			int old_index = queue_index;
+	if (queue_index < 0 || skb->ooo_okay ||
+	    queue_index >= dev->real_num_tx_queues) {
+		int new_index = get_xps_queue(dev, skb);
+		if (new_index < 0)
+			new_index = skb_tx_hash(dev, skb);
 
-			queue_index = get_xps_queue(dev, skb);
-			if (queue_index < 0)
-				queue_index = skb_tx_hash(dev, skb);
-
-			if (queue_index != old_index && sk) {
-				struct dst_entry *dst =
+		if (queue_index != new_index && sk) {
+			struct dst_entry *dst =
 				    rcu_dereference_check(sk->sk_dst_cache, 1);
 
-				if (dst && skb_dst(skb) == dst)
-					sk_tx_queue_set(sk, queue_index);
-			}
+			if (dst && skb_dst(skb) == dst)
+				sk_tx_queue_set(sk, queue_index);
+
 		}
+
+		queue_index = new_index;
+	}
+
+	return queue_index;
+}
+
+struct netdev_queue *netdev_pick_tx(struct net_device *dev,
+				    struct sk_buff *skb)
+{
+	int queue_index = 0;
+
+	if (dev->real_num_tx_queues != 1) {
+		const struct net_device_ops *ops = dev->netdev_ops;
+		if (ops->ndo_select_queue)
+			queue_index = ops->ndo_select_queue(dev, skb);
+		else
+			queue_index = __netdev_pick_tx(dev, skb);
+		queue_index = dev_cap_txqueue(dev, queue_index);
 	}
 
 	skb_set_queue_mapping(skb, queue_index);