Re: RedBoot's TFTP client and dumb TFTP servers

[Sergei Gavrikov <sergei.gavrikov@gmail.com>]

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