netdev - Re: [PATCH 1/4] dccp: Limit feature negotiation to connection setup phase

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Date:	Mon, 10 Nov 2008 13:15:15 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	gerrit@....abdn.ac.uk
Cc:	dccp@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 1/4] dccp: Limit feature negotiation to connection
 setup phase

From: Gerrit Renker <gerrit@....abdn.ac.uk>
Date: Thu,  6 Nov 2008 06:40:11 +0100

> This patch limits feature-negotiation to the connnection-setup phase:
> 
>  1. Although it is theoretically possible to perform feature negotiation at any
>     time (and RFC 4340 supports this), in practice this is prohibitively complex,
>     as it requires to put traffic on hold for each new negotiation.
>  2. As a byproduct of restricting feature negotiation to connection setup, the
>     feature-negotiation retransmit timer is no longer required. This part is now
>     mapped onto the protocol-level retransmission.
>     Details indicating why timers are no longer needed can be found on
>     http://www.erg.abdn.ac.uk/users/gerrit/dccp/notes/feature_negotiation/\
> 	                                      implementation_notes.html
> 
> This patch disables anytime negotiation, subsequent patches work out full
> feature negotiation support for connection setup.
> 
> Signed-off-by: Gerrit Renker <gerrit@....abdn.ac.uk>

Applied.
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