On Fri, Oct 15, 2021 at 01:40:39PM +0200, Eelco Chaudron wrote: > > > On 12 Oct 2021, at 6:23, Martin Varghese wrote: > > > From: Martin Varghese <[email protected]> > > > > The encap & decap actions are extended to support MPLS packet type. > > Encap & decap actions adds and removes MPLS header at start of the > > packet. > > > > The existing PUSH MPLS & POP MPLS actions inserts & removes MPLS > > header between ethernet header and the IP header. Though this behaviour > > is fine for L3 VPN where an IP packet is encapsulated inside a MPLS > > tunnel, it does not suffice the L2 VPN requirements. In L2 VPN the > > ethernet packets must be encapsulated inside MPLS tunnel. > > > > In this change the encap & decap actions are extended to support MPLS > > packet type. The encap & decap adds and removes MPLS header at the > > start of packet as depicted below. > > > > Encapsulation: > > > > Actions - encap(mpls(ether_type=0x8847)),encap(ethernet) > > > > Incoming packet -> | ETH | IP | Payload | > > > > 1 Actions - encap(mpls(ether_type=0x8847)) [Datapath action - > > ADD_MPLS:0x8847] > > > > Outgoing packet -> | MPLS | ETH | Payload| > > > > 2 Actions - encap(ethernet) [ Datapath action - push_eth ] > > > > Outgoing packet -> | ETH | MPLS | ETH | Payload| > > > > Decapsulation: > > > > Incoming packet -> | ETH | MPLS | ETH | IP | Payload | > > > > Actions - decap(),decap(packet_type(ns=0,type=0) > > > > 1 Actions - decap() [Datapath action - pop_eth) > > > > Outgoing packet -> | MPLS | ETH | IP | Payload| > > > > 2 Actions - decap(packet_type(ns=0,type=0) [Datapath action - > > POP_MPLS:0x6558] > > > > Outgoing packet -> | ETH | IP | Payload| > > > > Signed-off-by: Martin Varghese <[email protected]> > > Thanks for following through! > > Looking forward to see the follow on patch to also include the > OVS_ACTION_ATTR_ADD_MPLS in TC, i.e. netdev_tc_flow_put(). > > > Acked-by: Eelco Chaudron <[email protected]> >
Thanks Eelco. _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
