> Hey, this is getting more and more interesting! I
think it might be a
> good time to move the further detail discussion to
the RTnet list (see CC).
>
> I don't have a detailed image yet about what has to
be changed/extended.
> But if you are going to port FDDI to RTnet, you will
get the full
> support of our team to create a smart integration.
>
> So let's think a bit about it: We should start with
the additional
> driver layer functions. Everything in ethernet/ will
probably be
> replaced by something FDDI related. Then check what
further unknown
> calls, structures, or defines your driver use. The
first milestone
> should be to make the driver compile with RTnet
(Marc may help with the
> build system if required). This step will also cover
the device
> management (driver structure etc.).
>
> Then we should check the packet socket support if it
is able to handle
> unknown media. This would avoid to adapt the whole
UDP/IP stuff
> immediately. But with packet sockets you would
already have a full
> featured API to send and receive any FDDI payload
you like to.
>
> [just read your second mail]
>
> I see, UDP is wanted (doesn't the other box support
something like
> packet sockets?). This requires a bit more work
(foremost routing), but
> when it is done, the RTnet UDP/IP output on FDDI
will look like any
> other system's IP packet (this already applies to
Ethernet).
>
It is not really needed, I thought it was simpler to
use it than go down to the data layer, in the first
solution (the one with a non real time task listening
for incoming packets).
The drivers on the other machine have been modified,
so the packets that it sends are contained directly in
the fddi payload.
However, I suppose that I need the other machine's MAC
address to send the packets..
I'll take a look to all the RTnet stuff (I read only
the driver port read me)...
Regards,
Federico
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