table: add support for encapsulation nlri

add encap end point route(10.0.0.1) with vni 20

$ gobgp global rib add 10.0.0.1 20 -a encap

check it

$ gobgp global rib -a encap

Please specify one command of: add or del
   Network            Next Hop        AS_PATH    Age        Attrs
*> 10.0.0.1           0.0.0.0         [64512]    00:00:01   [{Origin: IGP} {Encap: < VXLAN | color: 20 >}]

Signed-off-by: ISHIDA Wataru <ishida.wataru@lab.ntt.co.jp>

1 files changed, 12 insertions, 0 deletions

diff --git a/table/destination.go b/table/destination.go
index cfd411ce..ead4797a 100644
--- a/table/destination.go
+++ b/table/destination.go
@@ -1041,3 +1041,15 @@ func (evpnd *EVPNDestination) MarshalJSON() ([]byte, error) {
 		BestPathIdx: idx,
 	})
 }
+
+type EncapDestination struct {
+	*DestinationDefault
+}
+
+func NewEncapDestination(nlri bgp.AddrPrefixInterface) *EncapDestination {
+	d := NewDestinationDefault(nlri)
+	d.ROUTE_FAMILY = bgp.RF_ENCAP
+	return &EncapDestination{
+		DestinationDefault: d,
+	}
+}