MPLS Unifom mode

- support both pipe and uniform modes for all MPLS LSP
- all API programming for output-labels requires that the mode (and associated data) is specificed
   - API changes in MPLS, BIER and IP are involved
- new DPO [sub] types for MPLS labels to handle the two modes.

Change-Id: I87b76401e996f10dfbdbe4552ff6b19af958783c
Signed-off-by: Neale Ranns <nranns@cisco.com>

2 files changed, 15 insertions, 6 deletions

diff --git a/src/vnet/srmpls/sr_mpls_policy.c b/src/vnet/srmpls/sr_mpls_policy.c
index 1a5ba6c6c30..4a563248ce0 100755
--- a/src/vnet/srmpls/sr_mpls_policy.c
+++ b/src/vnet/srmpls/sr_mpls_policy.c
@@ -34,9 +34,6 @@
 #include <vnet/srmpls/sr_mpls.h>
 #include <vnet/fib/mpls_fib.h>
 #include <vnet/dpo/dpo.h>
-#include <vnet/dpo/replicate_dpo.h>
-#include <vnet/dpo/mpls_label_dpo.h>
-#include <vnet/dpo/lookup_dpo.h>
 #include <vnet/ip/ip.h>
 
 #include <vppinfra/error.h>
@@ -763,7 +760,11 @@ sr_mpls_policy_assign_endpoint_color (mpls_label_t bsid,
 			      FIB_SOURCE_SR,
 			      FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT, paths);
 
-      vec_add1 (path.frp_label_stack, MPLS_IETF_IMPLICIT_NULL_LABEL);
+      fib_mpls_label_t fml = {
+	.fml_value = MPLS_IETF_IMPLICIT_NULL_LABEL,
+      };
+
+      vec_add1 (path.frp_label_stack, fml);
       pfx.fp_eos = MPLS_NON_EOS;
       path.frp_eos = MPLS_NON_EOS;
 
diff --git a/src/vnet/srmpls/sr_mpls_steering.c b/src/vnet/srmpls/sr_mpls_steering.c
index 0bd34665c3d..8bb072c8812 100755
--- a/src/vnet/srmpls/sr_mpls_steering.c
+++ b/src/vnet/srmpls/sr_mpls_steering.c
@@ -301,7 +301,10 @@ compute_sr_te_automated_steering_fib_entry (mpls_sr_steering_policy_t *
 
   if (steer_pl->vpn_label != (u32) ~ 0)
     {
-      vec_add1 (path.frp_label_stack, steer_pl->vpn_label);
+      fib_mpls_label_t fml = {
+	.fml_value = steer_pl->vpn_label,
+      };
+      vec_add1 (path.frp_label_stack, fml);
       path.frp_eos = MPLS_NON_EOS;
     }
 
@@ -480,7 +483,12 @@ sr_mpls_steering_policy_add (mpls_label_t bsid, u32 table_id,
       fib_route_path_t *paths = NULL;
 
       if (steer_pl->vpn_label != (u32) ~ 0)
-	vec_add1 (path.frp_label_stack, steer_pl->vpn_label);
+	{
+	  fib_mpls_label_t fml = {
+	    .fml_value = steer_pl->vpn_label,
+	  };
+	  vec_add1 (path.frp_label_stack, fml);
+	}
 
       /* FIB API calls - Recursive route through the BindingSID */
       if (traffic_type == SR_STEER_IPV6)