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/fib/fib_test.h b/src/vnet/fib/fib_test.h
new file mode 100644
index 0000000..b98680b
--- /dev/null
+++ b/src/vnet/fib/fib_test.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __FIB_TEST_H__
+#define __FIB_TEST_H__
+
+#include <vnet/fib/fib_types.h>
+
+typedef enum fib_test_lb_bucket_type_t_ {
+ FT_LB_LABEL_O_ADJ,
+ FT_LB_LABEL_STACK_O_ADJ,
+ FT_LB_LABEL_O_LB,
+ FT_LB_O_LB,
+ FT_LB_SPECIAL,
+ FT_LB_ADJ,
+ FT_LB_INTF,
+} fib_test_lb_bucket_type_t;
+
+typedef struct fib_test_lb_bucket_t_ {
+ fib_test_lb_bucket_type_t type;
+
+ union
+ {
+ struct
+ {
+ mpls_eos_bit_t eos;
+ mpls_label_t label;
+ u8 ttl;
+ adj_index_t adj;
+ } label_o_adj;
+ struct
+ {
+ mpls_eos_bit_t eos;
+ mpls_label_t label_stack[8];
+ u8 label_stack_size;
+ u8 ttl;
+ adj_index_t adj;
+ } label_stack_o_adj;
+ struct
+ {
+ mpls_eos_bit_t eos;
+ mpls_label_t label;
+ u8 ttl;
+ index_t lb;
+ } label_o_lb;
+ struct
+ {
+ index_t adj;
+ } adj;
+ struct
+ {
+ index_t lb;
+ } lb;
+ struct
+ {
+ index_t adj;
+ } special;
+ };
+} fib_test_lb_bucket_t;
+
+typedef enum fib_test_rep_bucket_type_t_ {
+ FT_REP_LABEL_O_ADJ,
+ FT_REP_INTF,
+} fib_test_rep_bucket_type_t;
+
+typedef struct fib_test_rep_bucket_t_ {
+ fib_test_rep_bucket_type_t type;
+
+ union
+ {
+ struct
+ {
+ mpls_eos_bit_t eos;
+ mpls_label_t label;
+ u8 ttl;
+ adj_index_t adj;
+ } label_o_adj;
+ struct
+ {
+ adj_index_t adj;
+ } adj;
+ };
+} fib_test_rep_bucket_t;
+
+
+extern int fib_test_validate_rep_v(const replicate_t *rep,
+ u16 n_buckets,
+ va_list ap);
+
+extern int fib_test_validate_lb_v(const load_balance_t *lb,
+ u16 n_buckets,
+ va_list ap);
+
+extern int fib_test_validate_entry(fib_node_index_t fei,
+ fib_forward_chain_type_t fct,
+ u16 n_buckets,
+ ...);
+
+#endif