netdev - Re: vxlan/veth performance issues on net.git + latest kernels

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Message-ID: <1386119889.30495.56.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Tue, 03 Dec 2013 17:18:09 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Joseph Gasparakis <joseph.gasparakis@...el.com>
Cc:	Alexei Starovoitov <ast@...mgrid.com>,
	Or Gerlitz <or.gerlitz@...il.com>,
	Jerry Chu <hkchu@...gle.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Pravin B Shelar <pshelar@...ira.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>
Subject: Re: vxlan/veth performance issues on net.git + latest kernels

On Tue, 2013-12-03 at 17:29 -0800, Joseph Gasparakis wrote:
> 

> Then would the fix be as simple as just unsetting the bit in vxlan? 
> Because I am guessing that there is a bug somewhere where the combination of 
> GSO_UDP_TUNNEL and GSO_DODGY. That would solve my problem, hopefully Or's 
> too if it is the same.

Not really ;)

We need to handle this bit properly, not pretending it is of no use ;)



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