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From: Dave Platt <dplatt@radagast.org>
To: linux-hams@vger.kernel.org
Subject: Re: AX.25 Kernel - problem - ax25_sendmsg returns EMSGSIZE !
Date: Mon, 08 Oct 2007 17:59:31 -0700	[thread overview]
Message-ID: <470AD273.40007@radagast.org> (raw)
In-Reply-To: <470ACEA0.1080307@dimebank.com>

Chris Kantarjiev wrote:
> 
>> That's why I'd favor using SOCK_STREAM for AX.25 connections (just
>> as TCP uses SOCK_STREAM) - there's no requirement with SOCK_STREAM
>> that the sender and receiver coordinate on the size of the largest
>> write operation.  This would seem to ease the software compatibility
>> problem quite a bit!
> 
> But TCP is a reliable stream, without internal record delimeters. 
> SOCK_SEQPACKET is meant to retain the record delimiters and make them 
> visible to the endpoints.
> 
> So it depends entirely on what the application level is trying to do.

Quite right!  I think that there are plenty of places for both
sorts of protocols.

I do think that having SOCK_STREAM available for AX.25 would be a good
idea.  It would make it easier for TCP-based applications to be ported
over to AX.25.


  reply	other threads:[~2007-10-09  0:59 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-07 19:58 AX.25 Kernel - problem - ax25_sendmsg returns EMSGSIZE ! Tihomir Heidelberg - 9a4gl
2007-10-08  8:29 ` Hamish Moffatt
2007-10-08 11:10   ` Tihomir Heidelberg - 9a4gl
2007-10-08 13:44     ` Hamish Moffatt
2007-10-08 14:53       ` Tihomir Heidelberg - 9a4gl
2007-10-08 15:51         ` Dave Platt
2007-10-08 19:38           ` Tihomir Heidelberg - 9a4gl
2007-10-08 22:36         ` Hamish Moffatt
2007-10-08 23:10           ` Dave Platt
2007-10-09  0:43             ` Chris Kantarjiev
2007-10-09  0:59               ` Dave Platt [this message]
2007-10-09  6:47               ` Tihomir Heidelberg - 9a4gl
2008-02-12 10:40       ` [BUG] [AX25] in libax25 Bernard Pidoux F6BVP
2008-02-12 11:20         ` Matti Aarnio
2007-10-08  8:41 ` AX.25 Kernel - problem - ax25_sendmsg returns EMSGSIZE ! Hamish Moffatt
2007-10-08 10:45 ` Ralf Baechle DL5RB
2007-10-08 12:25   ` Tihomir Heidelberg - 9a4gl
2007-10-08 16:55   ` Stephen Hemminger

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