[ECOS] tcpip network thread...!

[ECOS] tcpip network thread...!

[Badri Sampathkumar]

Hi:

I have integrated an ethernet driver for my custom board. I run the Free bsd 
tcpip
stack on it. I am able to succesfuly run the test programs and when the test 
program (ping_lo_test) is running, I am able to ping the board from another 
laptop. The board also initializes its IP thru DHCP when started up.

The issue is the n/w interface and the ethernet driver are started only when 
an appln program like ping_lo_test is run (this calls 
init_all_network_interfaces). I want the network stack & the ethernet driver 
to be up & running once any image that is linked with the library is loaded 
on the board, like a simple hello program that does not use the networking 
stack.
Once the BSP along with the drivers is loaded, I would like the board to 
respond to ping. But this does'nt happen. I realized that the 
eth_drv_start() is never called & so the h/w driver is not started too. So I 
included a call to 'init_all_network_interfaces()' in the cyg_net_init() 
function in the free-bsd code.

This starts up the ethernet driver but still I am not getting interrupts 
when an Appln like Hello program that is linked with this library is loaded.

Is there any threading issues ..? I run the background network proc thread @ 
prio 7 and fast net proc thread @ prio 6 - the default values when free-bsd 
is included.

Thanks,
/Badri 


-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss

Re: [ECOS] tcpip network thread...!

[Gary Thomas]

On Wed, 2005-03-09 at 13:54 -0800, Badri Sampathkumar wrote:
> Hi:
> 
> I have integrated an ethernet driver for my custom board. I run the Free bsd 
> tcpip
> stack on it. I am able to succesfuly run the test programs and when the test 
> program (ping_lo_test) is running, I am able to ping the board from another 
> laptop. The board also initializes its IP thru DHCP when started up.
> 
> The issue is the n/w interface and the ethernet driver are started only when 
> an appln program like ping_lo_test is run (this calls 
> init_all_network_interfaces). I want the network stack & the ethernet driver 
> to be up & running once any image that is linked with the library is loaded 
> on the board, like a simple hello program that does not use the networking 
> stack.
> Once the BSP along with the drivers is loaded, I would like the board to 
> respond to ping. But this does'nt happen. I realized that the 
> eth_drv_start() is never called & so the h/w driver is not started too. So I 
> included a call to 'init_all_network_interfaces()' in the cyg_net_init() 
> function in the free-bsd code.
> 
> This starts up the ethernet driver but still I am not getting interrupts 
> when an Appln like Hello program that is linked with this library is loaded.
> 
> Is there any threading issues ..? I run the background network proc thread @ 
> prio 7 and fast net proc thread @ prio 6 - the default values when free-bsd 
> is included.

How do you start your "hello world" thread?

Note: eCos does not normally start up the networking unless some
thread does so explicitly.  That's just a design decision (which has
worked just fine all these years...)

-- 
------------------------------------------------------------
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

Re: [ECOS] tcpip network thread...!

[Badri Sampathkumar]

My Hello world thread has the function main() that gets called from
the libc main().

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: Wednesday, March 09, 2005 2:22 PM
Subject: Re: [ECOS] tcpip network thread...!


> On Wed, 2005-03-09 at 13:54 -0800, Badri Sampathkumar wrote:
>> Hi:
>>
>> I have integrated an ethernet driver for my custom board. I run the Free 
>> bsd
>> tcpip
>> stack on it. I am able to succesfuly run the test programs and when the 
>> test
>> program (ping_lo_test) is running, I am able to ping the board from 
>> another
>> laptop. The board also initializes its IP thru DHCP when started up.
>>
>> The issue is the n/w interface and the ethernet driver are started only 
>> when
>> an appln program like ping_lo_test is run (this calls
>> init_all_network_interfaces). I want the network stack & the ethernet 
>> driver
>> to be up & running once any image that is linked with the library is 
>> loaded
>> on the board, like a simple hello program that does not use the 
>> networking
>> stack.
>> Once the BSP along with the drivers is loaded, I would like the board to
>> respond to ping. But this does'nt happen. I realized that the
>> eth_drv_start() is never called & so the h/w driver is not started too. 
>> So I
>> included a call to 'init_all_network_interfaces()' in the cyg_net_init()
>> function in the free-bsd code.
>>
>> This starts up the ethernet driver but still I am not getting interrupts
>> when an Appln like Hello program that is linked with this library is 
>> loaded.
>>
>> Is there any threading issues ..? I run the background network proc 
>> thread @
>> prio 7 and fast net proc thread @ prio 6 - the default values when 
>> free-bsd
>> is included.
>
> How do you start your "hello world" thread?
>
> Note: eCos does not normally start up the networking unless some
> thread does so explicitly.  That's just a design decision (which has
> worked just fine all these years...)
>
> -- 
> ------------------------------------------------------------
> 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
> 


-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss