[ECOS] Is it possible to do polling for the Ethernet driver using a stack ?

[Gary Thomas]

On Thu, 2002-10-31 at 08:32, Cusson, Pascal wrote:
> Yes there is,
>    I need maximize performance on a system will support multiple ATM and
> ETH. My system need to be synchronous meaning one after another in
> specific order. By using polling I can easily control all aspects.
> Further more, polling will take less time than using interrupts which
> should help for performances. The 8260 I am using is not the fastest
> therefore I need everything I can get out of it.
> 
>    What I would like do is poll the FCCE to see if there is a buffer
> ready and then signal the stack so that the buffer descriptor can be
> processed and freed. 
> 
> The part I am missing here is how to I tell the stack to process my
> buffer descriptor ?
> 

One you have a packet (or activity), what sort of things are you then 
expecting the "stack" to do for you?

> Pascal
> 
> -----Original Message-----
> From: Gary Thomas [mailto:gthomas@ecoscentric.com]
> Sent: Thursday, October 31, 2002 10:25 AM
> To: Cusson, Pascal
> Cc: eCos Discussion
> Subject: Re: [ECOS] Is it possible to do polling for the Ethernet driver
> using a stack ?
> 
> 
> On Thu, 2002-10-31 at 08:04, Cusson, Pascal wrote:
> > Hello Everyone,
> >    Has anyone ever made a Ethernet driver using polling ? If so how
> did you link the driver to the stack ? What function calls did you make
> ?
> 
> The stacks that are used with eCos (not RedBoot, it has it's
> own stack) really should be interrupt driven.  Is there some
> reason that you want to poll?
> 
> -- 
> ------------------------------------------------------------
> Gary Thomas                  |
> eCosCentric, Ltd.            |  
> +1 (970) 229-1963            |  eCos & RedBoot experts
> gthomas@ecoscentric.com      |
> http://www.ecoscentric.com/  |
> ------------------------------------------------------------
> 
> -- 
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-- 
------------------------------------------------------------
Gary Thomas                  |
eCosCentric, Ltd.            |  
+1 (970) 229-1963            |  eCos & RedBoot experts
gthomas@ecoscentric.com      |
http://www.ecoscentric.com/  |
------------------------------------------------------------


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