From: Lee Revell <rlrevell@joe-job.com>
To: Ben Greear <greearb@candelatech.com>
Cc: Willy Tarreau <willy@w.ods.org>,
Matti Aarnio <matti.aarnio@zmailer.org>,
Jeff Garzik <jgarzik@pobox.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Andrew Morton <akpm@osdl.org>,
alan@redhat.com, jgarzik@redhat.com,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: PATCH: VLAN support for 3c59x/3c90x
Date: Sat, 31 Jul 2004 16:16:29 -0400 [thread overview]
Message-ID: <1091304989.1677.329.camel@mindpipe> (raw)
In-Reply-To: <410BD525.3010102@candelatech.com>
On Sat, 2004-07-31 at 13:21, Ben Greear wrote:
> Willy Tarreau wrote:
> > I've seen several drivers which silently add 4 bytes to the hardware
> > config when CONFIG_VLAN is set. I find it better than fooling the IP
> > stack into using 1504 bytes, which is a disaster on UDP !
>
> It would be a disaster with any IP protocol, not just UDP.
UDP is prone to *much* weirded behavior than TCP in the face of things
like this. I once had an NFS server and client using UDP. A had its
block size set to 8K, B to 32K. For some reason the mount succeeded
with these options, but when you copied a file from A to B (like, oh,
say, /etc/passwd), it "worked", but the file was truncated to 8K! The
only indication that anything was wrong (other than hundreds of users
unable to log in) was a mild warning in the logs.
I am not sure what would have happened with a TCP mount, but not that!
Lee
next prev parent reply other threads:[~2004-07-31 20:16 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-28 12:42 PATCH: VLAN support for 3c59x/3c90x Alan Cox
2004-07-28 21:33 ` Ben Greear
2004-07-28 22:15 ` Alan Cox
2004-07-28 22:30 ` Ben Greear
2004-07-29 17:19 ` Alan Cox
2004-07-28 21:36 ` Andrew Morton
2004-07-28 21:45 ` Ben Greear
2004-07-29 4:18 ` Willy Tarreau
2004-07-30 2:20 ` Herbert Xu
2004-07-30 12:10 ` Willy Tarreau
2004-07-31 3:57 ` Herbert Xu
2004-07-31 8:33 ` Willy Tarreau
[not found] ` <200407310846.i6V8k3qq006659@uai.com.br>
2004-07-31 8:57 ` Willy Tarreau
2004-07-31 9:34 ` Jeff Garzik
2004-07-31 10:11 ` Willy Tarreau
2004-07-31 14:12 ` Matti Aarnio
2004-07-31 16:18 ` Jeff Garzik
2004-07-31 17:13 ` Ben Greear
2004-07-31 17:03 ` Ben Greear
2004-07-31 17:05 ` Willy Tarreau
2004-07-31 17:21 ` Ben Greear
2004-07-31 20:16 ` Lee Revell [this message]
2004-07-31 20:23 ` Willy Tarreau
2004-07-31 20:25 ` Alan Cox
2004-07-31 20:40 ` Lee Revell
2004-08-06 12:30 ` Willy Tarreau
2004-07-31 16:05 ` Jeff Garzik
2004-07-31 16:12 ` Willy Tarreau
2004-07-31 16:26 ` Jeff Garzik
2004-07-31 21:06 ` PATCH-2.4: MTU fix for tulip driver Willy Tarreau
2004-07-31 9:35 ` PATCH: VLAN support for 3c59x/3c90x Herbert Xu
2004-07-31 10:01 ` Willy Tarreau
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