[ECOS] ecos net stack query

[Badri Sampathkumar]

Thomas,

Thanks for the prompt help.
I have found out the issue & its with my custom ethernet driver that blocks 
other
threads by generating lots of interrupts.

Thank you again for the replies..

/Badri
----- Original Message ----- 
From: "Gary Thomas" <gary@mlbassoc.com>
To: "Badri Sampathkumar" <badri@atheros.com>
Cc: "eCos Discussion" <ecos-discuss@ecos.sourceware.org>
Sent: Monday, March 07, 2005 6:24 PM
Subject: Re: [ECOS] ecos net stack query


> On Mon, 2005-03-07 at 16:41 -0800, Badri Sampathkumar wrote:
>> Hi:
>>
>> I have just modified the ping_lo_test.c application to ping an external
>> address instead of the loopback address. I run only this application.
>> My board is sending out a gratituous ARP on startup and when the 
>> application
>> opens a RAW socket and sends an ICMP echo req, the stck sends
>> an ARP request. It gets back an ARP reply that gets queued up in the
>> arpintrq and seems to never get processed. it remains in the queue.
>>
>> I net isr for ARP , is never getting called. I think register_netisr()
>> itself is not getting called.
>>
>> The cyg_net_init() call that handles isr's is not getting a chance to 
>> run..
>
> Try running the standard tests, like ping_test.c, unchanged.  If your
> network is set up reasonably (a DHCP server that can return a valid
> 'server' IP), it should run and tell you a lot.
>
> You also did not tell us how you configured your kernel and whether
> or not you have verified eCos basic operation (have you run any other
> multi-threaded tests)?
>
>>
>> thanks,
>> /Badri
>> ----- Original Message ----- 
>> From: "Gary Thomas" <gary@mlbassoc.com>
>> To: "Badri Sampathkumar" <badri@atheros.com>
>> Cc: "eCos Discussion" <ecos-discuss@ecos.sourceware.org>
>> Sent: Monday, March 07, 2005 3:54 PM
>> Subject: Re: [ECOS] ecos net stack query
>>
>>
>> > On Mon, 2005-03-07 at 15:48 -0800, Badri Sampathkumar wrote:
>> >> Hi All,
>> >>
>> >> I am using the Free BSB networking stack as part of my BSP for my 
>> >> custom
>> >> board.
>> >> I am trying to bringup the Ethernet driver for the board.
>> >>
>> >> I am able to successfuly tx/rx packets from/to my ethernet hardware
>> >> driver.
>> >>
>> >> When I try to give the received pkts to the upper layers of the tcp/ip
>> >> stack
>> >> for e.g ARP, IP modules, the packets get queued up into their 
>> >> respective
>> >> queues (arpintrq, ipintrq etc) and they are not processed from there 
>> >> on.
>> >> They seem to be remaining in the queue for a long time. so i am not 
>> >> able
>> >> to
>> >> ping another m/c from my board or vice versa.
>> >>
>> >> I have confirmed that the pkts are received correctly in the hardware
>> >> driver
>> >> by running ethereal on the peer host and then cross checking the hex 
>> >> dump
>> >> of
>> >> the
>> >> pkts between the hw driver and the ethereal dump.
>> >
>> > What else do you have running?
>> > How did you configure your kernel?
>> > Have you tried the standard network tests?  That's the best way
>> > to make sure the stack is working from the start.
>> >
>> > -- 
>> > ------------------------------------------------------------
>> > Gary Thomas                 |  Consulting for the
>> > MLB Associates              |    Embedded world
>> > ------------------------------------------------------------
>> >
>> >
>> > -- 
>> > Before posting, please read the FAQ: 
>> > http://ecos.sourceware.org/fom/ecos
>> > and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>> >
>>
>
> -- 
> ------------------------------------------------------------
> Gary Thomas                 |  Consulting for the
> MLB Associates              |    Embedded world
> ------------------------------------------------------------
>
>
> -- 
> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
> 


-- 
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