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(parent: 8b0ad53) | patch
macvtap: avoid hash calculating for single queue
authorJason Wang <jasowang@redhat.com>
Fri, 15 Jul 2016 07:46:30 +0000 (03:46 -0400)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Jul 2016 21:40:39 +0000 (14:40 -0700)
commit131154232441b7cfc1b3bb8d2670702fb3bd7075
treececa5157fc452af785e30c34259478f3038bc475tree | snapshot
parent8b0ad5318a57259abcb158e9482c0afcb805dfa5commit | diff
macvtap: avoid hash calculating for single queue

We decide the rxq through calculating its hash which is not necessary
if we only have one rx queue. So this patch skip this and just return
queue 0. Test shows 22% improving on guest rx pps.

Before: 1201504 pkts/s
After:  1472731 pkts/s

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/macvtap.c diff | blob | history
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