* RE: [ECOS] PPP?
@ 2000-09-12 4:22 Andreas.Karlsson
2000-09-12 4:49 ` Robert Swindells
0 siblings, 1 reply; 6+ messages in thread
From: Andreas.Karlsson @ 2000-09-12 4:22 UTC (permalink / raw)
To: andrew.lunn; +Cc: ecos-discuss, aeb
> Have a look back in the eCos email archive. Someone else asked about
> PPP a couple of months ago and I pointed them at the Opens
> sources. I don't know what progress has been made.
> You may find its more work taking out TCP etc, than leaving it there
> and not use it.
You mean download the latest OpenBSD from www.openbsd.org and use their
UDP/IP?
> Out of interest could you tell us more about your Bluetooth stack. I
> don't think i've seen it mentioned on eCos before. Is it an OpenSource
> one?
>
> Thanks
> Andrew
>
Yes, it is distributed under GPL. You can find it at
http://www.developer.axis.com/software/bluetooth/index.shtml
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [ECOS] PPP?
2000-09-12 4:22 [ECOS] PPP? Andreas.Karlsson
@ 2000-09-12 4:49 ` Robert Swindells
0 siblings, 0 replies; 6+ messages in thread
From: Robert Swindells @ 2000-09-12 4:49 UTC (permalink / raw)
To: Andreas.Karlsson; +Cc: ecos-discuss
>> You may find its more work taking out TCP etc, than leaving it there
>> and not use it.
>You mean download the latest OpenBSD from www.openbsd.org and use
>their UDP/IP?
The network stack in eCos is derived from OpenBSD.
Pick up the versions of if_ppp.c, if_ppp.h and if_pppvar.h from
OpenBSD that are tagged with 'kame_19991208'.
You will need to modify the upper interface of if_ppp.c to match the
other eCos protocols (if_loop.c is probably a good example), then
modify the lower interface to talk to your RFCOMM interface instead of
a ttysw interface.
Robert Swindells
^ permalink raw reply [flat|nested] 6+ messages in thread
* RE: [ECOS] PPP?
@ 2000-09-13 7:34 Andreas.Karlsson
0 siblings, 0 replies; 6+ messages in thread
From: Andreas.Karlsson @ 2000-09-13 7:34 UTC (permalink / raw)
To: rjs; +Cc: ecos-discuss
Thanks for your answer,
The .h files are already included in the eCos net-package so I think I will
use them.
When reading the PPP-RFC the Link Control Protocol (LCP) seems to be a big
part of the concept. But maybe I can leave it out anyway?
When browsing the ppp files I also found a "deamon" named pppd. Anybody out
there who has any suggestions on including pppd, lcp,ncp etc?
/Andreas
> The network stack in eCos is derived from OpenBSD.
>
> Pick up the versions of if_ppp.c, if_ppp.h and if_pppvar.h from
> OpenBSD that are tagged with 'kame_19991208'.
>
> You will need to modify the upper interface of if_ppp.c to match the
> other eCos protocols (if_loop.c is probably a good example), then
> modify the lower interface to talk to your RFCOMM interface instead of
> a ttysw interface.
>
> Robert Swindells
>
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* RE: [ECOS] PPP?
@ 2000-09-13 2:14 Amigo Lozano, Alfonso
0 siblings, 0 replies; 6+ messages in thread
From: Amigo Lozano, Alfonso @ 2000-09-13 2:14 UTC (permalink / raw)
To: Andreas.Karlsson; +Cc: ecos-discuss
Hello:
> I don't think I need all the features shipped with the stack just UDP/IP.
I've found recently some information that may help you. Visit the on-line
magazine Embedded Systems Programming (www.embedded.com). Under Internet
Appliance Design get into Internet Appliance Archives. There you will find
some interesting articles related to networking with embedded systems. Read
"TCP/IP or not TCP/IP?" (April, 2000) by Michael Barr. He had planned to
develop an embeddable UDP/IP stack through a series of articles (code will
be available also).
Alfonso Amigo
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [ECOS] PPP?
2000-09-12 3:43 Andreas.Karlsson
@ 2000-09-12 3:51 ` Andrew Lunn
0 siblings, 0 replies; 6+ messages in thread
From: Andrew Lunn @ 2000-09-12 3:51 UTC (permalink / raw)
To: Andreas.Karlsson; +Cc: ecos-discuss, aeb
> I'm a student working on the LAN Access Profile as specified by the
> Bluetooth specification on my AEB-board.
> According to my understanding there is no PPP included in eCos yet, so my
> question is:
>
> Where to get it and if someone got any hints on where to start the porting?
Have a look back in the eCos email archive. Someone else asked about
PPP a couple of months ago and i pointed them at the OpenBSD
sources. I don't know what progress has been made.
> I don't think I need all the features shipped with the stack just UDP/IP.
You may find its more work taking out TCP etc, than leaving it there
and not use it.
Out of interest could you tell us more about your Bluetooth stack. I
don't think i've seen it mentioned on eCos before. Is it an OpenSource
one?
Thanks
Andrew
^ permalink raw reply [flat|nested] 6+ messages in thread
* [ECOS] PPP?
@ 2000-09-12 3:43 Andreas.Karlsson
2000-09-12 3:51 ` Andrew Lunn
0 siblings, 1 reply; 6+ messages in thread
From: Andreas.Karlsson @ 2000-09-12 3:43 UTC (permalink / raw)
To: ecos-discuss, aeb
Hi,
I'm a student working on the LAN Access Profile as specified by the
Bluetooth specification on my AEB-board.
Now when Bluetooth is up and running I need to add PPP on top of that, then
UDP/IP.
Bluetooth simulates a serial cable so I hope there shouldn't be that much to
change.
According to my understanding there is no PPP included in eCos yet, so my
question is:
Where to get it and if someone got any hints on where to start the porting?
I was thinking of using the TCP/IP stack included in eCos over PPP.
I don't think I need all the features shipped with the stack just UDP/IP.
Someone got any hints on what files I need and how to get the stack running
over PPP?
Any help would be appreciated,
Andreas
^ permalink raw reply [flat|nested] 6+ messages in thread
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2000-09-12 4:22 [ECOS] PPP? Andreas.Karlsson
2000-09-12 4:49 ` Robert Swindells
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2000-09-13 7:34 Andreas.Karlsson
2000-09-13 2:14 Amigo Lozano, Alfonso
2000-09-12 3:43 Andreas.Karlsson
2000-09-12 3:51 ` Andrew Lunn
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