netdev - Re: [PATCH net-next-2.6] udp: remove unused union in udp_skb

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Date:	Tue, 16 Jun 2009 12:54:10 +0300
From:	Rami Rosen <ramirose@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] udp: remove unused union in udp_skb_cb.

Hi,
Sorry, I forgot that besides UDP_SKB_CB() also the
IPSKB() macro can access the cb.

>The layer above UDP packet processing used
> IPSKB() and the ipv6 variant (I forget what it's called)

BTW, it is IP6CB() in IPV6

Regards,
Rami Rosen


On Tue, Jun 16, 2009 at 12:40 PM, David Miller<davem@...emloft.net> wrote:
> From: Rami Rosen <ramirose@...il.com>
> Date: Tue, 16 Jun 2009 11:50:11 +0300
>
>> This cleanup patch removes an unused union (header) in udp_skb_cb.
>> (include/net/udp.h)
>
> It is used Rami.  The layer above UDP packet processing used
> IPSKB() and the ipv6 variant (I forget what it's called) so
> we have to take care not to write over that layer's recorded
> values in the skb->cb[]
>
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