netdev - Re: [PATCH] veth: remove hardware checksum feature

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Message-ID: <1374775162.23313.22.camel@edumazet-glaptop>
Date:	Thu, 25 Jul 2013 10:59:22 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"Vitaly E. Lavrov" <lve@...p.ru>
Cc:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH] veth: remove hardware checksum feature

On Thu, 2013-07-25 at 21:20 +0400, Vitaly E. Lavrov wrote:
> The network device VETH can't support the feature NETIF_F_HW_CSUM.
> All locally generated packets have invalid checksum.
> Wrong commit http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8093315a91340bca52549044975d8c7f673b28a1 ( 
> kernel 3.9.0 )
> 
> Workaround "ethtool -K vethX tx off"
> 
> Possible patch:

No idea of what the problem is.

Could you elaborate ?

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