Hi all,
I work on a SOC based on Micrel/Kendin KS8695 based on ARM9. (
http://micrel.com/page.do?page=product-info/sys_on_chip.jsp)
This component has 2 network interfaces. One is connected to a 5 ports
switch.
eth0
eth1 => switch port1,2,3,4
I want to make a bridge with these 5 ports but my problem is that the
network driver only install 2 interfaces.
The KS8695 network switch can be configured to tag ingress packet (such as
BPDU) so I can know where come from packets.
So my problem is that I will modify the driver to have 5 network interfaces
instead of 2 and filter BPDU packets with hardware.
But I can't find how bridge layer tells the network driver to change his
state. I explain myself : the KS8695 switch can be configured in disabled,
listening, learning, forwarding and blocking states ; so I want bridge layer
to inform my driver, so I will be able to change the hardware state of each
port.
If I well understood bridge layer only do software filtering, but is there a
way to configure my switch with ioctls or something like this ?
Or do I have to implement spanning tree directly in my driver ? I don't
think this is the good way because bridge protocol is already implemented
and I don't want to rewrite it.
Thanks,
Sebastien
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