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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC] Act as a TFTP server
Date: Sat, 30 Apr 2011 21:53:42 +0200	[thread overview]
Message-ID: <20110430195342.5FE8FD5270F@gemini.denx.de> (raw)
In-Reply-To: <4DA59B5E.5000105@comelit.it>

Dear Luca Ceresoli,

In message <4DA59B5E.5000105@comelit.it> you wrote:
>
> >>     Usage:    tftpsrv [<loadaddr>]
> >>
> >> This would be used almost like tftpboot, except no file name is specified on
> >> the commandline.
> >> <loadaddr>   would default to the environment variable.
> > I see some user interface issues here:
> > - When and how do you terminate this command?  After a successful
> >    download, ok.  But how long do we wait for that?  Forever? Or do we
> >    time out?
> The TFTP client tries sending a RRQ packet TIMEOUT_COUNT times (default 10),
> spaced TIMEOUT msecs (default 5000) from each other. 50 seconds total by default.

Well - this requires that there actually _is_ a TFTP client which
attempts to connect.  But there is no guarantee that any such client
is running at all, or that it can connect through firewalls, routers,
etc.

So assuming we never see any incoming packets - how long will we wait?


Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If all you have is a hammer, everything looks like a nail.

  reply	other threads:[~2011-04-30 19:53 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-13  9:08 [U-Boot] [RFC] Act as a TFTP server Luca Ceresoli
2011-04-13 11:37 ` Wolfgang Denk
2011-04-13 12:47   ` Luca Ceresoli
2011-04-30 19:53     ` Wolfgang Denk [this message]
2011-05-03 12:23       ` Luca Ceresoli
2011-05-03 12:36         ` Wolfgang Denk
2011-05-16 20:57           ` Luca Ceresoli
2011-04-14 10:31 ` Luca Ceresoli
2011-04-14 15:52 ` [U-Boot] [PATCH 0/6] " Luca Ceresoli
2011-04-14 16:13   ` Albert ARIBAUD
2011-04-18 16:19   ` [U-Boot] [PATCH v2 " Luca Ceresoli
2011-04-19 14:05     ` Detlev Zundel
2011-05-17 10:03     ` [U-Boot] [PATCH v3 0/5] " Luca Ceresoli
2011-05-17 10:03     ` [U-Boot] [PATCH v3 1/5] TFTP: replace "server" with "remote" in local variable names Luca Ceresoli
2011-05-19  8:11       ` Detlev Zundel
2011-05-19 19:39       ` Wolfgang Denk
2011-05-17 10:03     ` [U-Boot] [PATCH v3 2/5] TFTP: rename STATE_RRQ to STATE_SEND_RRQ Luca Ceresoli
2011-05-19  8:12       ` Detlev Zundel
2011-05-19 19:39       ` Wolfgang Denk
2011-05-17 10:03     ` [U-Boot] [PATCH v3 3/5] TFTP: net/tftp.c: add server mode receive Luca Ceresoli
2011-05-19  8:13       ` Detlev Zundel
2011-05-19 19:48       ` Wolfgang Denk
2011-05-17 10:03     ` [U-Boot] [PATCH v3 4/5] TFTP: add tftpsrv command Luca Ceresoli
2011-05-19  8:12       ` Detlev Zundel
2011-05-19 19:48       ` Wolfgang Denk
2011-05-17 10:03     ` [U-Boot] [PATCH v3 5/5] net/tftp.c: fix typo Luca Ceresoli
2011-05-19  8:13       ` Detlev Zundel
2011-05-19 19:48       ` Wolfgang Denk
2011-04-18 16:19   ` [U-Boot] [PATCH v2 1/6] README: remove spurious line Luca Ceresoli
2011-04-19 14:07     ` Detlev Zundel
2011-04-18 16:19   ` [U-Boot] [PATCH v2 2/6] NET: pass source IP address to packet handlers Luca Ceresoli
2011-04-19 14:15     ` Detlev Zundel
2011-04-19 15:26       ` Luca Ceresoli
2011-05-12 17:38     ` Wolfgang Denk
2011-04-18 16:19   ` [U-Boot] [PATCH v2 3/6] TFTP: rename "server" to "remote" Luca Ceresoli
2011-04-19 14:18     ` Detlev Zundel
2011-04-19 15:29       ` Luca Ceresoli
2011-04-19 16:28         ` Detlev Zundel
2011-04-19 21:56           ` Luca Ceresoli
2011-04-20  8:17             ` Detlev Zundel
2011-05-04  7:58               ` Luca Ceresoli
2011-05-04 10:37                 ` Detlev Zundel
2011-04-20  8:41         ` Detlev Zundel
2011-04-20 10:55           ` Luca Ceresoli
2011-04-20 13:27             ` [U-Boot] checkpatch - theory and practice [was: [PATCH v2 3/6] TFTP: rename "server" to "remote"] Detlev Zundel
2011-05-16 20:35         ` [U-Boot] [PATCH v2 3/6] TFTP: rename "server" to "remote" Luca Ceresoli
2011-05-17  9:38           ` Detlev Zundel
2011-04-30  4:36     ` Mike Frysinger
2011-05-16 20:16       ` Luca Ceresoli
2011-05-12 17:46     ` Wolfgang Denk
2011-05-13  7:36       ` Luca Ceresoli
2011-05-14 16:07         ` Luca Ceresoli
2011-04-18 16:19   ` [U-Boot] [PATCH v2 4/6] TFTP: rename STATE_RRQ to STATE_SEND_RRQ Luca Ceresoli
2011-04-19 14:22     ` Detlev Zundel
2011-04-18 16:19   ` [U-Boot] [PATCH v2 5/6] TFTP: net/tftp.c: add server mode receive Luca Ceresoli
2011-04-19 14:37     ` Detlev Zundel
2011-05-17  8:06       ` Luca Ceresoli
2011-05-17  9:41         ` Detlev Zundel
2011-04-18 16:19   ` [U-Boot] [PATCH v2 6/6] TFTP: add tftpsrv command Luca Ceresoli
2011-04-19 14:39     ` Detlev Zundel
2011-04-30  4:32     ` Mike Frysinger
2011-05-04  7:02     ` Mike Frysinger
2011-04-14 15:52 ` [U-Boot] [PATCH 1/6] README: remove spurious line Luca Ceresoli
2011-04-30 20:19   ` Wolfgang Denk
2011-04-14 15:52 ` [U-Boot] [PATCH 2/6] NET: pass source IP address to packet handlers Luca Ceresoli
2011-04-30 20:22   ` Wolfgang Denk
2011-04-30 20:24   ` Wolfgang Denk
2011-05-03  8:54     ` Luca Ceresoli
2011-04-14 15:52 ` [U-Boot] [PATCH 3/6] TFTP: rename "server" to "remote" Luca Ceresoli
2011-04-14 15:52 ` [U-Boot] [PATCH 4/6] TFTP: rename STATE_RRQ to STATE_SEND_RRQ Luca Ceresoli
2011-04-14 15:52 ` [U-Boot] [PATCH 5/6] TFTP: net/tftp.c: add server mode receive Luca Ceresoli
2011-04-14 15:52 ` [U-Boot] [PATCH 6/6] TFTP: add tftpsrv command Luca Ceresoli

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