netdev - [PATCH 3/4]: net: If SKB has attached socket, use socket's hash for TX queue selection.

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Message-Id: <20090127.164031.28244223.davem@davemloft.net>
Date:	Tue, 27 Jan 2009 16:40:31 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	netdev@...r.kernel.org
Subject: [PATCH 3/4]: net: If SKB has attached socket, use socket's hash
 for TX queue selection.


Signed-off-by: David S. Miller <davem@...emloft.net>
---
 net/core/dev.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index b21ad0b..cb8caa9 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)))
-- 
1.6.1.15.g159c88

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