netdev - Re: [PATCH 0/5] [RFC] AF_RXRPC socket family implementation [try #2]

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Date:	Fri, 16 Mar 2007 15:34:08 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	David Howells <dhowells@...hat.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, herbert.xu@...hat.com,
	linux-kernel@...r.kernel.org, hch@...radead.org,
	arjan@...radead.org
Subject: Re: [PATCH 0/5] [RFC] AF_RXRPC socket family implementation [try
 #2]

On Fri, 16 Mar 2007 14:23:13 +0000
David Howells <dhowells@...hat.com> wrote:

> Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> 
> > If your messages are datagrams and unreliable -> SOCK_DGRAM
> 
> Nope.
> 
> > If your messages are datagrams and reliable -> SOCK_RDM
> 
> Nope.
> 
> > If your messages are datagrams, reliable and ordered -> SOCK_SEQPACKET
> 
> Nope.
> 
> > If your messages are streams of bits, reliable and ordered -> SOCK_STREAM
> 
> Nope.

So your messages are neither reliable not unreliable, nor ordered, nor
unordered.

NAK

Until you work out what your messages actually are and use a proper
standard socket type. And "but there are higher layers" isn't relevant
here, this is true for Appletalk as well and it doesn't have to go
inventing new types for everything as you seem to.

Alan
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