Re: [PATCH net-next] tun: compute the RFS hash only if needed.

2018-11-07 Thread David Miller
From: Paolo Abeni Date: Wed, 7 Nov 2018 10:34:36 +0100 > The tun XDP sendmsg code path, unconditionally computes the symmetric > hash of each packet for RFS's sake, even when we could skip it. e.g. > when the device has a single queue. > > This change adds the check already in-place for the skb

Re: [PATCH net-next] tun: compute the RFS hash only if needed.

2018-11-07 Thread Jason Wang
On 2018/11/7 下午5:34, Paolo Abeni wrote: The tun XDP sendmsg code path, unconditionally computes the symmetric hash of each packet for RFS's sake, even when we could skip it. e.g. when the device has a single queue. This change adds the check already in-place for the skb sendmsg path to avoid u