Re: [PATCH] tcpdump may trace some outbound packets twice.

[Herbert Xu]

On Tue, May 16, 2006 at 03:17:59AM +0200, Patrick McHardy wrote:
>
> 3) Clone the skb and have dev_queue_xmit_nit() consume it.
> 
> That should actually be pretty easy.

Unfortunately that would mean an unconditional copy for all TSO packets
on NICs such as tg3/e1000.  These drivers have to modify the data area
of the skb.

Cheers,
-- 
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