feature request

In using ebtables with xen and some obscure vlan funkiness, I need to be
able to simultaneously broute a packet and not broute it.

Imagine this....

eth1: physical interface
br0: eth1 (all tagged + native vlan packets)
br1: eth1 (only untagged native vlan packets)
br2: eth1.2 (only vlan 2 packets)
br3: eth1.3 (only vlan 3 packets)
brN: eth1.N (and so on)

I need to present to a xen domain (virtual machine) either all packets
(eg a trunk), or only packets from a particular vlan.

Currently, I can DROP 802.1q packets on the BROUTING chain in the broute
table and they don't get bridged and so are available to vlan, but then
they aren't available on br0. Alternatively, I can let them traverse the
BROUTING chain and they all appear on br0 but then they don't get to the
vlans.

So I would like a new target for the BROUTING chain which would create a
copy of the packet so that the original forwards to the bridge and the
copy stays on the physical interface and subsequently goes to the vlan.

Any takers? Alternatively, if I wrote a patch to do this, would it be
accepted?

Thanks

James



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