From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <ecos-devel-return-1808-listarch-ecos-devel=sources.redhat.com@ecos.sourceware.org>
Received: (qmail 17155 invoked by alias); 10 Jan 2011 14:48:44 -0000
Received: (qmail 17128 invoked by uid 22791); 10 Jan 2011 14:48:42 -0000
X-SWARE-Spam-Status: No, hits=-2.2 required=5.0	tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,RFC_ABUSE_POST,TW_QE
X-Spam-Check-By: sourceware.org
Received: from mail-ew0-f49.google.com (HELO mail-ew0-f49.google.com) (209.85.215.49)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 10 Jan 2011 14:48:38 +0000
Received: by ewy20 with SMTP id 20so8185426ewy.36        for <ecos-devel@ecos.sourceware.org>; Mon, 10 Jan 2011 06:48:36 -0800 (PST)
Received: by 10.213.108.201 with SMTP id g9mr1865096ebp.92.1294670916174;        Mon, 10 Jan 2011 06:48:36 -0800 (PST)
Received: from sg-desktop.belvok.com ([86.57.137.251])        by mx.google.com with ESMTPS id t5sm4820261eeh.20.2011.01.10.06.48.34        (version=TLSv1/SSLv3 cipher=RC4-MD5);        Mon, 10 Jan 2011 06:48:35 -0800 (PST)
Date: Mon, 10 Jan 2011 14:48:00 -0000
From: Sergei Gavrikov <sergei.gavrikov@gmail.com>
To: Gary Thomas <gary@mlbassoc.com>
cc: eCos Developers <ecos-devel@ecos.sourceware.org>
Subject: Re: RedBoot's TFTP client and dumb TFTP servers
In-Reply-To: <4D2B182F.6030305@mlbassoc.com>
Message-ID: <alpine.DEB.2.00.1101101644550.16818@sg-desktop.belvok.com>
References: <alpine.DEB.2.00.1101101558110.16703@sg-desktop.belvok.com> <4D2B182F.6030305@mlbassoc.com>
User-Agent: Alpine 2.00 (DEB 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-IsSubscribed: yes
Mailing-List: contact ecos-devel-help@ecos.sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <ecos-devel.ecos.sourceware.org>
List-Subscribe: <mailto:ecos-devel-subscribe@ecos.sourceware.org>
List-Post: <mailto:ecos-devel@ecos.sourceware.org>
List-Help: <mailto:ecos-devel-help@ecos.sourceware.org>, <http://ecos.sourceware.org/lists.html#faqs>
Sender: ecos-devel-owner@ecos.sourceware.org
X-SW-Source: 2011-01/txt/msg00010.txt.bz2

On Mon, 10 Jan 2011, Gary Thomas wrote:

> On 01/10/2011 07:13 AM, Sergei Gavrikov wrote:
> > Hi
> > 
> > I tried to get working the QEMU's embedded TFTP server with
> > RedBoot's FTP client and the RedBoot's 'load' command always wept,
> > -- "illegal TFTP operation".
> > 
> > I did dig that QEMU's TFTP server has the very simple check for a
> > transfer mode:
> > 
> > slirp/tftp.c:314
> > 
> >      if (memcmp(&tp->x.tp_buf[k], "octet\0", 6) != 0) {
> >          tftp_send_error(spt, 4, "Unsupported transfer mode", tp);
> >          return;
> >      }
> > 

[snip]

> I've never run across another TFTP server that can't handle OCTET in
> upper case.
> 
> By your reference, the QEMU server is what's broken - why not fix it
> instead?


Gary, thanks for your expertise, then I will disturb qemu-devel list.


Sergei