netdev - Re: [PATCH v2 1/2] Phonet: Implement Pipe Controller to support Nokia Slim Modems

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Message-Id: <201010011220.53162.remi@remlab.net>
Date:	Fri, 1 Oct 2010 12:20:52 +0300
From:	"Rémi Denis-Courmont" <remi@...lab.net>
To:	Kumar SANGHVI <kumar.sanghvi@...ricsson.com>
Cc:	"Rémi Denis-Courmont" 
	<remi.denis-courmont@...ia.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"STEricsson_nomadik_linux" <STEricsson_nomadik_linux@...t.st.com>,
	Sudeep DIVAKARAN <sudeep.divakaran@...ricsson.com>,
	Gulshan KARMANI <gulshan.karmani@...ricsson.com>,
	Linus WALLEIJ <linus.walleij@...ricsson.com>
Subject: Re: [PATCH v2 1/2] Phonet: Implement Pipe Controller to support Nokia Slim Modems

   Hello,

On Friday 01 October 2010, Kumar SANGHVI wrote:
> Hi,
> 
> On Fri, Oct 01, 2010 at 10:42:44 +0200, Rémi Denis-Courmont wrote:
> > > I have not introduced any new ioctl()'s as part of Pipe controller
> > > implementation.
> > 
> > Sure. What you did is basically worse than ioctl()'s. You've implemented
> > them as socket options. Socket options are meant to configure parameters
> > with setsockopt and read paramters with getsockopt. They are not meant
> > for 'doing' things - that's what ioctl()'s are for.
> 
> Isn't the existing phonet stack 'doing' something as part of
> PNPIPE_ENCAP rather than simply configuring some socket option or flag ?

It sets (or gets) the delivery path for incoming data.

-- 
Rémi Denis-Courmont
http://www.remlab.net/
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