From: David S. Miller <davem@davemloft.net>
Date: Wed, 28 Jan 2009 00:27:48 +0000 (-0800)
Subject: net: If SKB has attached socket, use socket's hash for TX queue selection.
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f7105d63940899ece79bda024f668e6c761cfebf;p=deliverable%2Flinux.git

net: If SKB has attached socket, use socket's hash for TX queue selection.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/dev.c b/net/core/dev.c
index b21ad0b47aae..cb8caa93caca 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1729,6 +1729,13 @@ static u16 simple_tx_hash(struct net_device *dev, struct sk_buff *skb)
 		goto out;
 	}
 
+	if (skb->sk && skb->sk->sk_hash) {
+		u32 val = skb->sk->sk_hash;
+
+		hash = jhash_1word(val, simple_tx_hashrnd);
+		goto out;
+	}
+
 	switch (skb->protocol) {
 	case htons(ETH_P_IP):
 		if (!(ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)))