Re: [PATCH] Avoid unncessary checksum validation in TCP/UDP netfilter
From: Keir Fraser
Date: Sat May 28 2005 - 03:53:22 EST
On 27 May 2005, at 12:20, Phil Oester wrote:
On Fri, May 27, 2005 at 12:03:08PM +0100, Keir Fraser wrote:
The TCP/UDP connection-tracking code in netfilter validates the
checksum of incoming packets, to prevent nastier errors further down
the road. This check is unnecessary if the skb is marked as
CHECKSUM_UNNECESSARY.
It seems at least part of this has already been merged in 2.6.12-rc
It would be great if the UDP code also would observe
CHECKSUM_UNNECESSARY. I'll wait for 2.6.12 to appear and then submit a
new patch if UDP has been missed.
Thanks,
Keir
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