Commit fbe4d456 authored Jan 02, 2014 by Zhi Yong Wu Committed by David S. Miller Jan 02, 2014

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>

parent 56022a8f

drivers/net/tun.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;