Re: [PATCH net-next] ax88179_178a: avoid copy of tx tcp packets

Eric Dumazet
2013-08-01T13:52:45Z

On Thu, 2013-08-01 at 06:49 -0700, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
>
> ax88179_tx_fixup() has quite complex code trying to push 8 bytes
> of control data (len/mss), but fails to do it properly for TCP packets,
> incurring an extra copy and point of memory allocation failure.

I forgot to say this patch is for net-next, but depends on following fix
from net tree being applied.

commit 20f0170377264e8449b6987041f0bcc4d746d3ed
("usbnet: do not pretend to support SG/TSO")

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