BIER

- see draft-ietf-bier-mpls-encapsulation-10
- midpoint, head and tail functions
- supported payload protocols; IPv4 and IPv6 only.

Change-Id: I59d7363bb6fdfdce8e4016a68a9c8f5a5e5791cb
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/src/vnet/bier/bier_fmask_db.h b/src/vnet/bier/bier_fmask_db.h
new file mode 100644
index 00000000000..6ba40f3a839
--- /dev/null
+++ b/src/vnet/bier/bier_fmask_db.h
@@ -0,0 +1,61 @@
+/*
+ * 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.
+ */
+/**
+ * @brief bier_fmask_db : The BIER fmask Database
+ */
+
+#ifndef __BIER_FMASK_DB_H__
+#define __BIER_FMASK_DB_H__
+
+#include <vnet/ip/ip.h>
+
+#include <vnet/bier/bier_types.h>
+
+/**
+ * Foward declarations
+ */
+struct bier_fmask_t_;
+
+typedef enum bier_hdr_type_t_ {
+    BIER_HDR_IN_IP6,
+    BIER_HDR_O_MPLS,
+} bier_hdr_type_t;
+
+typedef struct bier_fmask_id_t_ {
+    /**
+     * Type of BIER header this fmask supports
+     */
+    bier_hdr_type_t bfmi_hdr_type;
+
+    /**
+     * next-hop of the peer
+     */
+    ip46_address_t bfmi_nh;
+} bier_fmask_id_t;
+
+extern u32
+bier_fmask_db_find_or_create_and_lock(index_t bti,
+                                      const bier_fmask_id_t *fmid,
+                                      const fib_route_path_t *rpath);
+
+extern u32
+bier_fmask_db_find(index_t bti,
+                   const bier_fmask_id_t *fmid);
+
+extern void
+bier_fmask_db_remove(index_t bti,
+                     const bier_fmask_id_t *fmid);
+
+#endif