From: Rick Jones <rick.jones2@hp.com>
To: Ed Swierk <eswierk@arastra.com>
Cc: netdev@vger.kernel.org, maxk@qualcomm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Configurable tap interface MTU
Date: Tue, 11 Sep 2007 10:20:53 -0700 [thread overview]
Message-ID: <46E6CE75.5040700@hp.com> (raw)
In-Reply-To: <e6c711510709110742v4d2da644ha63b0a6d47c1230b@mail.gmail.com>
Ed Swierk wrote:
> This patch makes it possible to change the MTU on a tap interface.
> Increasing the MTU beyond the 1500-byte default is useful for
> applications that interoperate with Ethernet devices supporting jumbo
> frames.
>
> The patch caps the MTU somewhat arbitrarily at 16000 bytes. This is
> slightly lower than the value used by the e1000 driver, so it seems
> like a safe upper limit.
FWIW the OFED 1.2 bits take the MTU of IPoIB up to 65520 bytes :)
rick jones
next prev parent reply other threads:[~2007-09-11 17:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-11 14:42 [PATCH] Configurable tap interface MTU Ed Swierk
2007-09-11 17:20 ` Rick Jones [this message]
2007-09-12 3:29 ` Herbert Xu
2007-09-12 16:54 ` Ed Swierk
2007-09-16 19:22 ` David Miller
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