LVS
lvs-devel
Google
 
Web LinuxVirtualServer.org

Re: [rfc 1/3] ipvs: handle PARTIAL_CHECKSUM

To: Simon Horman <horms@xxxxxxxxxxxx>
Subject: Re: [rfc 1/3] ipvs: handle PARTIAL_CHECKSUM
Cc: lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, Siim Põder <siim@xxxxxxxxxxxxxxx>, Julian Anastasov <ja@xxxxxx>, Malcolm Turnbull <malcolm@xxxxxxxxxxxxxxxx>, Julius Volz <juliusv@xxxxxxxxxx>, Vince Busam <vbusam@xxxxxxxxxx>
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 8 Sep 2008 19:54:04 +1000
On Mon, Sep 08, 2008 at 07:05:27PM +1000, Simon Horman wrote:
> 
> If cp->app is not present, then only the destiantion IP address
> and possibly port will have been altered. If it is present,
> then other parts of the packet may also have been altered.

Right, when cp->app is present, and we're using partial checksums,
you don't need to update anything apart from the IP address because
the hardware will compute the checksum later.

Thanks for the explanation!

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe lvs-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

<Prev in Thread] Current Thread [Next in Thread>