Reorganize source tree to use single autotools instance

Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 158 insertions, 0 deletions

diff --git a/src/vnet/fib/fib_path.h b/src/vnet/fib/fib_path.h
new file mode 100644
index 00000000000..91f49d09234
--- /dev/null
+++ b/src/vnet/fib/fib_path.h
@@ -0,0 +1,158 @@
+/*
+ * 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.
+ */
+
+/**
+ * Given a route of the form;
+ *   q.r.s.t/Y
+ *     via <interface> <next-hop>
+ *
+ * The prefix is: q.r.s.t./Y
+ * the path is: 'via <interface> <next-hop>
+ *
+ * The path is the description of where to send the traffic, and the
+ * the prefix is a description of which traffic to send.
+ * It is the aim of the FIB to resolve the path, i.e. to find the corresponding
+ * adjacency to match the path's description.
+ */
+
+#ifndef __FIB_PATH_H__
+#define __FIB_PATH_H__
+
+#include <vnet/ip/ip.h>
+#include <vnet/dpo/load_balance.h>
+
+#include <vnet/fib/fib_types.h>
+#include <vnet/adj/adj_types.h>
+
+/**
+ * Enurmeration of path configuration attributes
+ */
+typedef enum fib_path_cfg_attribute_t_ {
+    /**
+     * Marker. Add new types after this one.
+     */
+    FIB_PATH_CFG_ATTRIBUTE_FIRST = 0,
+    /**
+     * The path is forced to a drop, whatever the next-hop info says.
+     * something somewhere knows better...
+     */
+    FIB_PATH_CFG_ATTRIBUTE_DROP = FIB_PATH_CFG_ATTRIBUTE_FIRST,
+    /**
+     * The path uses an adj that is exclusive. I.e. it is known only by
+     * the source of the route.
+     */
+    FIB_PATH_CFG_ATTRIBUTE_EXCLUSIVE,
+    /**
+     * Recursion constraint via host
+     */
+    FIB_PATH_CFG_ATTRIBUTE_RESOLVE_HOST,
+    /**
+     * Recursion constraint via attached
+     */
+    FIB_PATH_CFG_ATTRIBUTE_RESOLVE_ATTACHED,
+    /**
+     * The path is a for-us path
+     */
+    FIB_PATH_CFG_ATTRIBUTE_LOCAL,
+    /**
+     * Marker. Add new types before this one, then update it.
+     */
+    FIB_PATH_CFG_ATTRIBUTE_LAST = FIB_PATH_CFG_ATTRIBUTE_LOCAL,
+} __attribute__ ((packed)) fib_path_cfg_attribute_t;
+
+/**
+ * The maximum number of path attributes
+ */
+#define FIB_PATH_CFG_ATTRIBUTE_MAX (FIB_PATH_CFG_ATTRIBUTE_LAST + 1)
+
+#define FIB_PATH_CFG_ATTRIBUTES {			\
+    [FIB_PATH_CFG_ATTRIBUTE_DROP]  = "drop",	        \
+    [FIB_PATH_CFG_ATTRIBUTE_EXCLUSIVE] = "exclusive",	\
+    [FIB_PATH_CFG_ATTRIBUTE_RESOLVE_HOST] = "resolve-host", \
+    [FIB_PATH_CFG_ATTRIBUTE_RESOLVE_ATTACHED] = "resolve-attached", \
+    [FIB_PATH_CFG_ATTRIBUTE_LOCAL] = "local",	        \
+}
+
+#define FOR_EACH_FIB_PATH_CFG_ATTRIBUTE(_item) \
+    for (_item = FIB_PATH_CFG_ATTRIBUTE_FIRST; \
+	 _item <= FIB_PATH_CFG_ATTRIBUTE_LAST; \
+	 _item++)
+
+/**
+ * Path config flags from the attributes
+ */
+typedef enum fib_path_cfg_flags_t_ {
+    FIB_PATH_CFG_FLAG_NONE  = 0,
+    FIB_PATH_CFG_FLAG_DROP  = (1 << FIB_PATH_CFG_ATTRIBUTE_DROP),
+    FIB_PATH_CFG_FLAG_EXCLUSIVE = (1 << FIB_PATH_CFG_ATTRIBUTE_EXCLUSIVE),
+    FIB_PATH_CFG_FLAG_RESOLVE_HOST = (1 << FIB_PATH_CFG_ATTRIBUTE_RESOLVE_HOST),
+    FIB_PATH_CFG_FLAG_RESOLVE_ATTACHED = (1 << FIB_PATH_CFG_ATTRIBUTE_RESOLVE_ATTACHED),
+    FIB_PATH_CFG_FLAG_LOCAL = (1 << FIB_PATH_CFG_ATTRIBUTE_LOCAL),
+} __attribute__ ((packed)) fib_path_cfg_flags_t;
+
+
+extern u8 *fib_path_format(fib_node_index_t pi, u8 *s);
+extern u8 *fib_path_adj_format(fib_node_index_t pi,
+			       u32 indent,
+			       u8 *s);
+
+extern u8 * format_fib_path(u8 * s, va_list * args);
+
+extern fib_node_index_t fib_path_create(fib_node_index_t pl_index,
+					fib_protocol_t nh_proto,
+					fib_path_cfg_flags_t flags,
+					const fib_route_path_t *path);
+extern fib_node_index_t fib_path_create_special(fib_node_index_t pl_index,
+						fib_protocol_t nh_proto,
+						fib_path_cfg_flags_t flags,
+						const dpo_id_t *dpo);
+
+extern int fib_path_cmp(fib_node_index_t path_index1,
+			fib_node_index_t path_index2);
+extern int fib_path_cmp_for_sort(void * a1, void * a2);
+extern int fib_path_cmp_w_route_path(fib_node_index_t path_index,
+				     const fib_route_path_t *rpath);
+extern fib_node_index_t fib_path_copy(fib_node_index_t path_index,
+				      fib_node_index_t path_list_index);
+extern int fib_path_resolve(fib_node_index_t path_index);
+extern int fib_path_is_resolved(fib_node_index_t path_index);
+extern int fib_path_is_recursive(fib_node_index_t path_index);
+extern int fib_path_is_exclusive(fib_node_index_t path_index);
+extern int fib_path_is_deag(fib_node_index_t path_index);
+extern int fib_path_is_looped(fib_node_index_t path_index);
+extern fib_protocol_t fib_path_get_proto(fib_node_index_t path_index);
+extern void fib_path_destroy(fib_node_index_t path_index);
+extern uword fib_path_hash(fib_node_index_t path_index);
+extern load_balance_path_t * fib_path_append_nh_for_multipath_hash(
+    fib_node_index_t path_index,
+    fib_forward_chain_type_t fct,
+    load_balance_path_t *hash_key);
+extern void fib_path_contribute_forwarding(fib_node_index_t path_index,
+					   fib_forward_chain_type_t type,
+					   dpo_id_t *dpo);
+extern void fib_path_contribute_urpf(fib_node_index_t path_index,
+				     index_t urpf);
+extern adj_index_t fib_path_get_adj(fib_node_index_t path_index);
+extern int fib_path_recursive_loop_detect(fib_node_index_t path_index,
+					  fib_node_index_t **entry_indicies);
+extern u32 fib_path_get_resolving_interface(fib_node_index_t fib_entry_index);
+extern int fib_path_get_weight(fib_node_index_t path_index);
+
+extern void fib_path_module_init(void);
+extern int fib_path_encode(fib_node_index_t path_list_index,
+                           fib_node_index_t path_index,
+			   void *ctx);
+
+#endif