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Groups > comp.os.linux.networking > #1187

Re: ETHO interfacing linux IP:stack?

From Tauno Voipio <tauno.voipio@notused.fi.invalid>
Newsgroups comp.os.linux.networking, comp.lang.oberon
Subject Re: ETHO interfacing linux IP:stack?
Date 2012-03-22 21:39 +0200
Organization A noiseless patient Spider
Message-ID <jkfv56$8gb$1@dont-email.me> (permalink)
References <jkfuhn$4ho$1@dont-email.me>

Cross-posted to 2 groups.

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On 22.3.12 9:28 , no.top.post@gmail.com wrote:
> I'm writing this while I'm thinking it through, so I'll have a record.
> Duke mentioned the problem of email for LNO.
> I don't like LNO much, compared to LEO, which I use all the time.
> But LNO can run on a netbook using a framebuffer, without the
> full X-window system.
>
> So let's think this problem through.
> And correct my mistaken assumptions and conclusions:-
>
> N-O was originaly designed for RS232-modem,
> and the full<IP/TCP stack>  was in N-O [of course].
>
> So for<send string1 to IP/port>,
> all stages/levels, from the app's passing the string,
> down to the serial port driving the modem,
> was handled by N-O [of course].
>
> Under LEO, the underlying linux does the internet handling.
>
> Without anlysing the source code, I want to know how the
> N-O part of LEO interfaces with linux.
>
> Does the fact that "everything in *nix is a file" make this
> easy?
>
> Since linux, which previously drove a modem via a RS232,
> can easily be 'reconfigured' to drive a radio-modem via a
> USB; and passing the same byte-stream in both cases, I'm
> guessing that just the appropriate file-driver are needed.
>
> So the byte-stream is just fed to any character-type
> file-device, and the appropriate driver handles it.
> So the input-feeder need not be concerned what is
> receiving the input.
>
> If that is the case, and although the netbook has no actual
> RS232, if I create a /dev/tty0 [pseudo]file and [symbolicly]
> link it to the /dev/<existingUSB>  , which is connected to
> the remote IP:port via linux, could I communicate with the
> remote IP:port via LNO? Would LNO treat the /devtty0/
> as if it was a PC's "COM" port?
> I guess not, since during boot, linux would see that there
> is NO RS232-port and .....?
>
> If not, I suspect that facilities exist to easily connect into
> the IP:stack at various levels, and connecting at the highest
> level would be most convenient, via an Oberon<->  C
> interface ?
>
> Thanks for any ideas,
>
> == Chris Glur.
>


Would you please make a glossary of the TLA's you used?

TLA = three letter abbreviation

Please get a basic text on TCP/IP networking, and read it first.
It will be very difficult to answer the above questions, as
it doen not make sense with the way SMTP mail is working.

-- 

Tauno Voipio

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Thread

ETHO interfacing linux IP:stack? no.top.post@gmail.com - 2012-03-22 19:28 +0000
  Re: ETHO interfacing linux IP:stack? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2012-03-22 21:39 +0200
    Re: ETHO interfacing linux IP:stack? J G Miller <miller@yoyo.ORG> - 2012-03-22 20:07 +0000
      Re: ETHO interfacing linux IP:stack? Lew Pitcher <lpitcher@teksavvy.com> - 2012-03-22 16:27 -0400
        Re: ETHO interfacing linux IP:stack? Lew Pitcher <lpitcher@teksavvy.com> - 2012-03-22 16:44 -0400
        Re: ETHO interfacing linux IP:stack? Allodoxaphobia <knock_yourself_out@example.net> - 2012-03-23 02:43 +0000
      Re: ETHO interfacing linux IP:stack? Roger Blake <rogblake@iname.invalid> - 2012-03-22 21:12 +0000
    Re: ETHO interfacing linux IP:stack? "Chris Burrows" <cfbsoftware@hotmail.com> - 2012-03-23 19:10 +1030
    Re (2): ETHO interfacing linux IP:stack? no.top.post@gmail.com - 2012-03-23 23:21 +0000
    Re (2+): ETHO interfacing linux IP:stack? no.top.post@gmail.com - 2012-03-24 05:58 +0000
      Re: Re (2+): ETHO interfacing linux IP:stack? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2012-03-24 12:12 +0200
        Re (3) ETHO interfacing linux IP:stack? no.top.post@gmail.com - 2012-03-24 18:24 +0000
    Re (2+++): ETHO interfacing linux IP:stack? no.top.post@gmail.com - 2012-03-24 17:22 +0000
      Re: Re (2+++): ETHO interfacing linux IP:stack? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2012-03-25 15:17 +0300
        Re: Re (2+++): ETHO interfacing linux IP:stack? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-03-25 12:31 +0000
        Re (2+++): ETHO interfacing linux IP:stack? no.top.post@gmail.com - 2012-03-25 14:26 +0000

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