table: add support for route target constraint nlri

add rtc route

$ gobgp global rib add 65000 77 -a rtc

check it

$ gobgp global rib -a rtc

   Network        Next Hop AS_PATH Age        Attrs
*> 65001:65000:75 0.0.0.0  [65001] 00:15:35   [{Origin: IGP}]

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

1 files changed, 19 insertions, 0 deletions

diff --git a/table/table.go b/table/table.go
index b1434732..22499f5a 100644
--- a/table/table.go
+++ b/table/table.go
@@ -353,3 +353,22 @@ func (t *EncapTable) createDest(nlri bgp.AddrPrefixInterface) Destination {
 func (t *EncapTable) tableKey(nlri bgp.AddrPrefixInterface) string {
 	return nlri.String()
 }
+
+type RouteTargetTable struct {
+	*TableDefault
+}
+
+func NewRouteTargetTable() *RouteTargetTable {
+	routeTargetTable := &RouteTargetTable{}
+	routeTargetTable.TableDefault = NewTableDefault(0)
+	routeTargetTable.TableDefault.ROUTE_FAMILY = bgp.RF_RTC_UC
+	return routeTargetTable
+}
+
+func (t *RouteTargetTable) createDest(nlri bgp.AddrPrefixInterface) Destination {
+	return Destination(NewRouteTargetDestination(nlri))
+}
+
+func (t *RouteTargetTable) tableKey(nlri bgp.AddrPrefixInterface) string {
+	return nlri.String()
+}