linux-kernel - Re: [PATCH] tcp: splice as many packets as possible at once

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]

Message-ID: <20090119212443.GC6609@gondor.apana.org.au>
Date:	Tue, 20 Jan 2009 08:24:43 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	w@....eu, jarkao2@...il.com, zbr@...emap.net, dada1@...mosbay.com,
	ben@...s.com, mingo@...e.hu, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, jens.axboe@...cle.com
Subject: Re: [PATCH] tcp: splice as many packets as possible at once

On Mon, Jan 19, 2009 at 12:59:41PM -0800, David Miller wrote:
.
> And the difference between 64 and IPV4+TCP header len becomes the
> payload, don't you see? :-)
> 
> myri10ge just pulls min(64, skb->len) bytes from the SKB frags into
> the linear area, unconditionally.  So a small number of payload bytes
> can in fact end up there.

Ah, I thought they were doing a precise division.  Yes pulling
a constant length will trigger it if it's big enough.

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 linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/