netdev - Re: question about UFO behavior for bridge device

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Message-ID: <4DCE513E.9040002@cn.fujitsu.com>
Date:	Sat, 14 May 2011 17:54:06 +0800
From:	Shan Wei <shanwei@...fujitsu.com>
To:	Herbert Xu <herbert@...dor.hengli.com.au>,
	Ben Hutchings <bhutchings@...arflare.com>
CC:	netdev <netdev@...r.kernel.org>
Subject: Re: question about UFO behavior for bridge device

Herbert Xu wrote, at 05/13/2011 10:36 PM:
> On Fri, May 13, 2011 at 02:06:52PM +0100, Ben Hutchings wrote:
>>
>>> But, actually, i saw original big skb in eth0's tcpdump file, but not segmented skbs.
>>> The behavior is right or what we want?
>>> Is there anything missed about my analysis?
>>
>> I assume that packet capturing is handled earlier in the transmit path.
> 
> Yes it is.  It's the same with TSO.

Be cheated by tcpdump. :-(
dev_queue_xmit_nit(skb, dev) which dumps packet to user is called before handling GSO segments.

Thanks very much.

-- 
Best Regards
-----
Shan Wei
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