netdev - Re: [PATCH net V3 1/2] macvlan: forbid L2 fowarding offload for macvtap

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Message-Id: <20140110.132420.1024215975653490661.davem@davemloft.net>
Date:	Fri, 10 Jan 2014 13:24:20 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	jasowang@...hat.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	mst@...hat.com, john.r.fastabend@...el.com, nhorman@...driver.com
Subject: Re: [PATCH net V3 1/2] macvlan: forbid L2 fowarding offload for
 macvtap

From: Jason Wang <jasowang@...hat.com>
Date: Fri, 10 Jan 2014 16:18:25 +0800

> L2 fowarding offload will bypass the rx handler of real device. This will make
> the packet could not be forwarded to macvtap device. Another problem is the
> dev_hard_start_xmit() called for macvtap does not have any synchronization.
> 
> Fix this by forbidding L2 forwarding for macvtap.
> 
> Cc: John Fastabend <john.r.fastabend@...el.com>
> Cc: Neil Horman <nhorman@...driver.com>
> Acked-by: Neil Horman <nhorman@...driver.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>

Applied.
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