netdev - Re: [PATCH 3/4] dccp: Query supported CCIDs

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Date:	Mon, 10 Nov 2008 13:16:45 -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 3/4] dccp: Query supported CCIDs

From: Gerrit Renker <gerrit@....abdn.ac.uk>
Date: Thu,  6 Nov 2008 06:40:13 +0100

> This provides a data structure to record which CCIDs are locally supported
> and three accessor functions:
>  - a test function for internal use which is used to validate CCID requests
>    made by the user;
>  - a copy function so that the list can be used for feature-negotiation;
>  - documented getsockopt() support so that the user can query capabilities.
> 
> The data structure is a table which is filled in at compile-time with the
> list of available CCIDs (which in turn depends on the Kconfig choices).
> 
> Using the copy function for cloning the list of supported CCIDs is useful for
> feature negotiation, since the negotiation is now with the full list of available
> CCIDs (e.g. {2, 3}) instead of the default value {2}. This means negotiation
> will not fail if the peer requests to use CCID3 instead of CCID2.
> 
> Signed-off-by: Gerrit Renker <gerrit@....abdn.ac.uk>
> Acked-by: Ian McDonald <ian.mcdonald@...di.co.nz>

Applied.
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