netdev - Re: [PATCH net-next 2/2] openvswitch: Use zerocopy if applicable when performing the upcall

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Date:	Sat, 25 May 2013 07:39:32 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	Jesse Gross <jesse@...ira.com>, netdev <netdev@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>
Subject: Re: [PATCH net-next 2/2] openvswitch: Use zerocopy if applicable
 when performing the upcall

On Sat, 2013-05-25 at 08:02 +0100, Thomas Graf wrote:

> I ran TCP_CRR to verify the SYN/ACK use case and I did not
> observe a difference. If you have any specific test in mind
> I will be glad to run that before posting the 2nd revision.

I guess you should test with rx checksum disabled as well, Jesse seemed
to be concerned about that.

ethtool -K eth0 rx off



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