MPLS Mcast
1 - interface-DPO
Used in the Data-plane to change a packet's input interface
2 - MPLS multicast FIB entry
Same as a unicast entry but it links to a replicate not a load-balance DPO
3 - Multicast MPLS tunnel
Update MPLS tunnels to use a FIB path-list to describe the endpoint[s]. Use the path-list to generate the forwarding chain (DPOs) to link to .
4 - Resolve a path via a local label (of an mLDP LSP)
For IP multicast entries to use an LSP in the replication list, we need to decribe the 'resolve-via-label' where the label is that of a multicast LSP.
5 - MPLS disposition path sets RPF-ID
For a interface-less LSP (i.e. mLDP not RSVP-TE) at the tail of the LSP we still need to perform an RPF check. An MPLS disposition DPO performs the MPLS pop validation checks and sets the RPF-ID in the packet.
6 - RPF check with per-entry RPF-ID
An RPF-ID is used instead of a real interface SW if index in the case the IP traffic arrives from an LSP that does not have an associated interface.
Change-Id: Ib92e177be919147bafeb599729abf3d1abc2f4b3
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vnet/dpo/dpo.c b/src/vnet/dpo/dpo.c
index d8e075a..dfc2bd9 100644
--- a/src/vnet/dpo/dpo.c
+++ b/src/vnet/dpo/dpo.c
@@ -37,6 +37,8 @@
#include <vnet/dpo/classify_dpo.h>
#include <vnet/dpo/ip_null_dpo.h>
#include <vnet/dpo/replicate_dpo.h>
+#include <vnet/dpo/interface_dpo.h>
+#include <vnet/dpo/mpls_disposition.h>
/**
* Array of char* names for the DPO types and protos
@@ -182,6 +184,12 @@
case IP_LOOKUP_NEXT_MIDCHAIN:
dpo->dpoi_type = DPO_ADJACENCY_MIDCHAIN;
break;
+ case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
+ dpo->dpoi_type = DPO_ADJACENCY_MCAST_MIDCHAIN;
+ break;
+ case IP_LOOKUP_NEXT_MCAST:
+ dpo->dpoi_type = DPO_ADJACENCY_MCAST;
+ break;
default:
break;
}
@@ -453,6 +461,8 @@
lookup_dpo_module_init();
ip_null_dpo_module_init();
replicate_module_init();
+ interface_dpo_module_init();
+ mpls_disp_dpo_module_init();
return (NULL);
}