netdev - Re: [PATCH 1/4] [net-2.6.22] IrDA: IrLAP raw mode

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Message-Id: <20070316.203451.102575913.davem@davemloft.net>
Date:	Fri, 16 Mar 2007 20:34:51 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	samuel@...tiz.org
Cc:	netdev@...r.kernel.org, irda-users@...ts.sourceforge.net,
	netdev@...eo.de
Subject: Re: [PATCH 1/4] [net-2.6.22] IrDA: IrLAP raw mode

From: Samuel Ortiz <samuel@...tiz.org>
Date: Sat, 17 Mar 2007 03:57:29 +0200

> This patch allows us to bypass the IrDA stack down to the IrLAP level.
> Sending and receiving frames is done through a character device.
> This is useful for e.g. doing real IrDA sniffing, testing external IrDA
> stacks and for Lirc (once I will add the framing disabling switch).
> 
> Signed-off-by: Samuel Ortiz <samuel@...tiz.org>

I understand the idea, but I fail to see any reason this should not be
done with sockets.

Everywhere else we provide this kind of functionality it is either
with netlink (nf_queue etc.) or raw sockets of some kind
(AF_INET/SOCK_RAW, AF_PACKET, etc.)

Therefore IRDA should really provide this facility in some similar
manner.  Besides, character device backdoors for networking are
just ugly :)

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