netdev - Re: [rfc 1/3] ipvs: handle PARTIAL

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 8 Sep 2008 19:54:04 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Simon Horman <horms@...ge.net.au>
Cc:	lvs-devel@...r.kernel.org, netdev@...r.kernel.org,
	Siim PÃµder <siim@...rad-teel.net>,
	Julian Anastasov <ja@....bg>,
	Malcolm Turnbull <malcolm@...dbalancer.org>,
	Julius Volz <juliusv@...gle.com>,
	Vince Busam <vbusam@...gle.com>
Subject: Re: [rfc 1/3] ipvs: handle PARTIAL_CHECKSUM

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@...dor.apana.org.au>
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 netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html