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tun, rfs: fix the incorrect hash value 

The code incorrectly save the queue index as the hash, so this patch
is fixing it with the hash received in the stack receive path.

Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zhi Yong Wu 2014-01-02 13:24:28 +08:00 committed by David S. Miller
parent 56022a8fdd
commit fbe4d4565b
1 changed files with 1 additions and 1 deletions
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2
drivers/net/tun.c
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@ -378,8 +378,8 @@ static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb)
if (txq) {
e = tun_flow_find(&tun->flows[tun_hashfn(txq)], txq);
if (e) {
txq = e->queue_index;
tun_flow_save_rps_rxhash(e, txq);
txq = e->queue_index;
} else
/* use multiply and shift instead of expensive divide */
txq = ((u64)txq * numqueues) >> 32;