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

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

1 files changed, 7 insertions, 0 deletions

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)))