[ovs-discuss] Ignore packets of a certain mac type

[Nithin Nayak Sujir]

On 10/08/2013 05:49 PM, Jesse Gross wrote:
> On Tue, Oct 8, 2013 at 4:26 PM, Nithin Nayak Sujir <nsujir at broadcom.com> wrote:
>>
>>>>
>>>> To summarize, I'm looking for an openvswitch command which does the same
>>>> thing as
>>>>
>>>> "ebtables -t broute -A BROUTING -p 0x8914 -j DROP"
>>>>
>>>> for the standard linux bridge.
>>>
>>>
>>> To get back to the heart of the matter, there is no exact equivalent
>>> to this in OVS. This command will return the packet to the stack on
>>> the original interface (i.e. eth0) whereas sending to LOCAL will
>>> output on the bridge interface (such as br0). I suspect that the
>>> problem is that your listener is bound to the Ethernet interface.
>>>
>>
>> Yes, that is correct, it is bound to the ethernet interface. Is there any
>> plan to support the ebtables equivalent or would you accept patches that did
>> that? Or does this go against the design/usage of openvswitch?
>
> I think there is an argument for having such functionality at the
> lowest layers of OVS but I would want to be very careful about how it
> is modeled and exposed. Most people find ebtables fairly difficult to
> use so I don't think a direct port is the best idea. Essentially what

Agreed.

> we want is a mechanism to allow external modules to provide per-port
> functionality as if it were part of the switch itself since a switch
> that conditionally accepts packets is a fairly odd thing.
>

Can you elaborate a little? What would the changes be to support this? When you 
say external module do you mean an ethernet driver?