A Protocol Independent Hierarchical FIB (VPP-352)

Main Enhancements:
 - Protocol Independent FIB API
 - Hierarchical FIB entries. Dynamic recursive route resolution.
 - Extranet Support.
 - Integration of IP and MPLS forwarding.
 - Separation of FIB and Adjacency databases.
 - Data-Plane Object forwarding model.

Change-Id: I52dc815c0d0aa8b493e3cf6b978568f3cc82296c
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 66 insertions, 0 deletions

diff --git a/vnet/vnet/dpo/mpls_label_dpo.h b/vnet/vnet/dpo/mpls_label_dpo.h
new file mode 100644
index 00000000..47ee3449
--- /dev/null
+++ b/vnet/vnet/dpo/mpls_label_dpo.h
@@ -0,0 +1,66 @@
+/*
+ * 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 __MPLS_LABEL_DPO_H__
+#define __MPLS_LABEL_DPO_H__
+
+#include <vnet/vnet.h>
+#include <vnet/mpls/packet.h>
+#include <vnet/dpo/dpo.h>
+
+/**
+ * A representation of an MPLS label for imposition in the data-path
+ */
+typedef struct mpls_label_dpo_t
+{
+    /**
+     * The MPLS label header to impose
+     */
+    mpls_unicast_header_t mld_hdr;
+
+    /**
+     * Next DPO in the graph
+     */
+    dpo_id_t mld_dpo;
+
+    /**
+     * Number of locks/users of the label
+     */
+    u16 mld_locks;
+} mpls_label_dpo_t;
+
+extern index_t mpls_label_dpo_create(mpls_label_t label,
+                                     mpls_eos_bit_t eos,
+                                     u8 ttl,
+                                     u8 exp,
+				     const dpo_id_t *dpo);
+
+extern u8* format_mpls_label_dpo(u8 *s, va_list *args);
+
+
+/*
+ * Encapsulation violation for fast data-path access
+ */
+extern mpls_label_dpo_t *mpls_label_dpo_pool;
+
+static inline mpls_label_dpo_t *
+mpls_label_dpo_get (index_t index)
+{
+    return (pool_elt_at_index(mpls_label_dpo_pool, index));
+}
+
+extern void mpls_label_dpo_module_init(void);
+
+#endif