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Re: wavelan driver


Quoting Jonathan Larmour <jlarmour@redhat.com>:

> "Andrea Acquaviva - DEIS-micrel (93785)" wrote:
> > 
> > Hi,
> > 
> > I'm in the process of writing an ecos driver for the
> > wavelan card, so I need some info about the tcp/ip
> > stack.
> > 
> > In particular, looking at the driver_doc document, I
> > don't find where is the correct way to pass the IP
> > source and destination address to the card.
> 
> The stack expects to just be able to fill that in and
send it as "data". If
> you need to pass an address to the card as well as the
data, you would
> probably need to extract the addresses back out from
the packet you've been
> passed to send.
> 
> But FYI anyway, the header creation gets done in
ip_output.c
> 
> Jifl
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Yes, the address is passed through the sg_list as a
normal data.
The problem is that I need to pull this address
to program the appropriate registers in the card, so I
need to know where it is located.
How can I find that? By looking at ip_output.c?

Andrea.

 


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