netdev - Re: [PATCH 2/7] dccp ccid-3: Simplified handling of TX states

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Message-ID: <5640c7e00807291154q56b2d1f0q49b7903f998f86ed@mail.gmail.com>
Date:	Wed, 30 Jul 2008 06:54:48 +1200
From:	"Ian McDonald" <ian.mcdonald@...di.co.nz>
To:	"Gerrit Renker" <gerrit@....abdn.ac.uk>
Cc:	dccp@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2/7] dccp ccid-3: Simplified handling of TX states

On Tue, Jul 29, 2008 at 6:13 AM, Gerrit Renker <gerrit@....abdn.ac.uk> wrote:
> Since CCIDs are only used during the established phase of a connection,
> they have very little internal state; this specifically reduces to:
>
>  * "no packet sent" if and only if s == 0, for the TX packet size s;
>
>  * when the first packet has been sent (i.e. `s' > 0), the question is whether
>   or not feedback has been received:
>   - if a feedback packet is received, "feedback = yes" is set,
>   - if the nofeedback timer expires,  "feedback = no"  is set.
>
> Thus the CCID only needs to remember state about whether or not feedback
> has been received. This is now implemented using a boolean flag, which is
> toggled when a feedback packet arrives or the nofeedback timer expires.
>
> Signed-off-by: Gerrit Renker <gerrit@....abdn.ac.uk>

Signed-off-by: Ian McDonald <ian.mcdonald@...di.co.nz>
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