netdev - Re: BSD 4.2 style TCP keepalives

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Message-ID: <4B44C6AD.6040806@hp.com>
Date:	Wed, 06 Jan 2010 09:21:49 -0800
From:	Rick Jones <rick.jones2@...com>
To:	David Miller <davem@...emloft.net>
CC:	nhorman@...driver.com, netdev@...r.kernel.org,
	ilpo.jarvinen@...sinki.fi
Subject: Re: BSD 4.2 style TCP keepalives

David Miller wrote:
> From: Neil Horman <nhorman@...driver.com>
> Date: Tue, 5 Jan 2010 21:07:56 -0500
> 
> 
>>Dave, If that patch fixes the problem (waiting on test results now,
>>but I figure it will), what if we add a parameter to tcp_sequence
>>(and tcp_validate_incomming), that represents an offset to trim from
>>end_seq (so that we can effectively ignore the garbage byte)?
> 
> 
> Sure, we could do that too, and it would be an improvement.
> 
> Let's first wait for test results and also give a bit for
> others to potentially come up with implementation ideas.

Might it suffice to simply enable TCP keepalives on the Linux end?  Or is that 
too big a kludge?

rick jones
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