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Re: tcpip network thread...!
- From: Gary Thomas <gary at mlbassoc dot com>
- To: Badri Sampathkumar <badri at atheros dot com>
- Cc: eCos Discussion <ecos-discuss at ecos dot sourceware dot org>
- Date: Wed, 09 Mar 2005 15:22:58 -0700
- Subject: Re: [ECOS] tcpip network thread...!
- Organization: MLB Associates
- References: <014401c524f2$8e5ea4e0$91000c0a@Badrilt70>
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
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