netdev - Re: How I can reset TCP sockets after long suspend/resume cyscle

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Message-ID: <484707D9.3040900@hp.com>
Date:	Wed, 04 Jun 2008 14:23:37 -0700
From:	Rick Jones <rick.jones2@...com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	Maxim Levitsky <maximlevitsky@...il.com>,
	Adam Langley <agl@...erialviolet.org>, netdev@...r.kernel.org
Subject: Re: How I can reset TCP sockets after long suspend/resume cyscle

> Another idea would be for the kernel to prematurely run the keepalive
> timer for all TCP connections after resume. The keepalive code would send
> an ACK (out of window) which causes other side to send a RST or ACK.
> 
> It is normal behaviour, the change would just make the timer happen sooner.

Would you have it done even for those endpoints on which SO_KEEPALIVE 
wasn't set?

rick jones
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