netdev - Re: [PATCH] net/bridge: use the maximum hard_header

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Message-ID: <2a27d3730903250005w2e773b01x1e9ec0606fc0e3d4@mail.gmail.com>
Date:	Wed, 25 Mar 2009 15:05:20 +0800
From:	Li Yang <leoli@...escale.com>
To:	David Miller <davem@...emloft.net>
Cc:	shemminger@...ux-foundation.org, bridge@...ts.linux-foundation.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] net/bridge: use the maximum hard_header_len of ports for 
	bridging device

On Wed, Mar 25, 2009 at 2:40 PM, David Miller <davem@...emloft.net> wrote:
> From: Li Yang <leoli@...escale.com>
> Date: Fri, 20 Mar 2009 17:04:29 +0800
>
>> The bridging device used a constant hard_header_len.  This will cause
>> headroom shortage for ports with additional hardware header.  The patch
>> makes bridging device to use the maximum value of all ports.
>>
>> Signed-off-by: Li Yang <leoli@...escale.com>
>
> Your driver must be able to cope with any amount of
> available headroom, no matter what hacks we put into
> the bridging layer.
>
> Please fix your driver, I'm not applying this patch.

Ok.  But it's not good to reallocate every packet generated locally.
Why not take this patch too?

- Leo
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