[lwip-users] RE: lwip-users Digest, Vol 9, Issue 4

[Eric Shufro]

Hey Jani, 

So far my ping times are awful. I am currently trying to debug why.

I get about 450ms on average! So I know there is a major problem. 

I literally just got the interface up yesterday, so I think ill try what you
do, ill poll it to see if the problem disappears, and if so, I will fix the
interrupt issue.

Not really sure whats going on yet, but if I figure it out, ill post again
for you.

If you have any suggestions, let me know.

Out of curiosity, how did you create your tasks? Do you use the sys_arch
implementation to create your application tasks? - Sometimes I have problems
with the sys_sem_wait() and it gets stuck there due to prio-whatever < 0 or
> than lwip max tasks.

Also, how, and where did you implement the timers for lwip? (dhcp, arp, tcp,
etc...)

Thanks for the help, and ill get back to you soon on the interrupt thing.

Feel free to email me direct with any questions.

--Eric Shufro
address@hidden





Original message:

Message: 3
Date: Tue, 4 May 2004 09:31:28 +0300
From: Jani Monoses <address@hidden>
Subject: Re: [lwip-users] LWIP on ecos, PPP, Linux
To: Mailing list for lwIP users <address@hidden>
Message-ID: <address@hidden>
Content-Type: text/plain; charset=US-ASCII

> on the linux box
> $pppd /dev/ttyUSB0 38400 lock nodetach debug :192.168.254.161 crtscts
> proxyarp login auth                        #I have a usb-serial
> adapter 
> 
> using channel 16
> Using interface ppp0
> Connect: ppp0 <--> /dev/ttyUSB0
> sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth pap> <magic 0xb99a4428> 
> <pcomp> <accomp>]
> rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x52181044> <pcomp>
> <accomp>] sent [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x52181044>
> <pcomp> <accomp>] sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth pap>
> <magic 0xb99a4428> 

Have you tried without PAP?
I know that when I try ppp now and then there's always something which
needs to be done differently :) . Things like making the serial blocking
or nonblocking (do you have the CDL set to be able to do nonblocking
serial IO?) flow control settings etc.
I hope to have these all solved Soon (TM) by merging lwIP in ecos CVS
and if it works not touching it again :)

Jani