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The existing PUSH MPLS action inserts 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 (l2 tunnelling) requirements. In L2 VPN the MPLS header should encapsulate the ethernet packet. The new mpls action ADD_MPLS inserts MPLS header at the start of the packet or at the start of the l3 header depending on the value of l3 tunnel flag in the ADD_MPLS arguments. POP_MPLS action is extended to support ethertype 0x6558. Signed-off-by: Martin Varghese <martin.varghese@nokia.com> Acked-by: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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