[ovs-dev] 802.1ad code contribution to OVS

[ravulakollu.kumar at wipro.com]

Hi Team ,

We all know that ovs supports 4 types of port configuration .

1.       Access

2.       Trunk

3.       Native-tagged

4.       Native-untagged
Through access port configuration we can achieve 802.1q by adding normal flow(Not Openflow) ,we all know that when ovs is configured with normal flow(default), ovs
bridge acts as a legacy bridge. We are seeing no support for 802.1ad to implement provider-edge bridging.

In an effort to implement the same in ovs and ovs-dpdk, we have written our own code to realize 802.1ad (Q-in-Q) . For this
We have introduced a new vlan_mode as "trunk-qinq" .

When you configure a phy port added to ovs as "trunk-qinq" , upon receiving cvlan tagged/untagged  traffic it adds outer vlan header with specific outer vlan ID ; on egress(other side of
Provider) it removes the outer vlan header and send it out .

Our code changes include control plane and datapath changes.

We want to contribute the same to the openvswitch . Please , let me know whom to approach regarding reviews. All comments are appreciated.

Regards,
Uday

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