--- /dev/null
+/*
+ * 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_ENTRY_SRC_H__
+#define __FIB_ENTRY_SRC_H__
+
+#include "fib_entry.h"
+#include "fib_path_list.h"
+#include "fib_internal.h"
+
+/**
+ * Debug macro
+ */
+#ifdef FIB_DEBUG
+#define FIB_ENTRY_DBG(_e, _fmt, _args...) \
+{ \
+ u8*__tmp = NULL; \
+ __tmp = format(__tmp, "e:[%d:%U", \
+ fib_entry_get_index(_e), \
+ format_ip46_address, \
+ &_e->fe_prefix.fp_addr, \
+ IP46_TYPE_ANY); \
+ __tmp = format(__tmp, "/%d]:", \
+ _e->fe_prefix.fp_len); \
+ __tmp = format(__tmp, _fmt, ##_args); \
+ clib_warning("%s", __tmp); \
+ vec_free(__tmp); \
+}
+#else
+#define FIB_ENTRY_DBG(_e, _fmt, _args...)
+#endif
+
+/**
+ * Source initialisation Function
+ */
+typedef void (*fib_entry_src_init_t)(fib_entry_src_t *src);
+
+/**
+ * Source deinitialisation Function
+ */
+typedef void (*fib_entry_src_deinit_t)(fib_entry_src_t *src);
+
+/**
+ * Source activation. Called when the source is the new best source on the entry.
+ * Return non-zero if the entry can now install, 0 otherwise
+ */
+typedef int (*fib_entry_src_activate_t)(fib_entry_src_t *src,
+ const fib_entry_t *fib_entry);
+
+/**
+ * Source Deactivate.
+ * Called when the source is no longer best source on the entry
+ */
+typedef void (*fib_entry_src_deactivate_t)(fib_entry_src_t *src,
+ const fib_entry_t *fib_entry);
+
+/**
+ * Source Add.
+ * Called when the source is added to the entry
+ */
+typedef void (*fib_entry_src_add_t)(fib_entry_src_t *src,
+ const fib_entry_t *entry,
+ fib_entry_flag_t flags,
+ fib_protocol_t proto,
+ const dpo_id_t *dpo);
+
+/**
+ * Source Remove.
+ */
+typedef void (*fib_entry_src_remove_t)(fib_entry_src_t *src);
+
+/**
+ * Result from a cover update/change
+ */
+typedef struct fib_entry_src_cover_res_t_ {
+ u16 install;
+ fib_node_bw_reason_flag_t bw_reason;
+} fib_entry_src_cover_res_t;
+
+/**
+ * Cover changed. the source should re-evaluate its cover.
+ */
+typedef fib_entry_src_cover_res_t (*fib_entry_src_cover_change_t)(
+ fib_entry_src_t *src,
+ const fib_entry_t *fib_entry);
+
+/**
+ * Cover updated. The cover the source has, has updated (i.e. its forwarding)
+ * the source may need to re-evaluate.
+ */
+typedef fib_entry_src_cover_res_t (*fib_entry_src_cover_update_t)(
+ fib_entry_src_t *src,
+ const fib_entry_t *fib_entry);
+
+/**
+ * Forwarding updated. Notification that the forwarding information for the
+ * entry has been updated. This notification is sent to all sources, not just
+ * the active best.
+ */
+typedef void (*fib_entry_src_fwd_update_t)(fib_entry_src_t *src,
+ const fib_entry_t *fib_entry,
+ fib_source_t best_source);
+
+/**
+ * Installed. Notification that the source is now installed as
+ * the entry's forwarding source.
+ */
+typedef void (*fib_entry_src_installed_t)(fib_entry_src_t *src,
+ const fib_entry_t *fib_entry);
+
+/**
+ * format.
+ */
+typedef u8* (*fib_entry_src_format_t)(fib_entry_src_t *src,
+ u8* s);
+
+/**
+ * Source path add
+ * the source is adding a new path
+ */
+typedef void (*fib_entry_src_path_add_t)(fib_entry_src_t *src,
+ const fib_entry_t *fib_entry,
+ fib_path_list_flags_t pl_flags,
+ const fib_route_path_t *path);
+
+/**
+ * Source path remove
+ * the source is remoinvg a path
+ */
+typedef void (*fib_entry_src_path_remove_t)(fib_entry_src_t *src,
+ fib_path_list_flags_t pl_flags,
+ const fib_route_path_t *path);
+
+/**
+ * Source path replace/swap
+ * the source is providing a new set of paths
+ */
+typedef void (*fib_entry_src_path_swap_t)(fib_entry_src_t *src,
+ const fib_entry_t *fib_entry,
+ fib_path_list_flags_t pl_flags,
+ const fib_route_path_t *path);
+
+/**
+ * Set source specific opaque data
+ */
+typedef void (*fib_entry_src_set_data_t)(fib_entry_src_t *src,
+ const fib_entry_t *fib_entry,
+ const void *data);
+
+/**
+ * Get source specific opaque data
+ */
+typedef const void* (*fib_entry_src_get_data_t)(fib_entry_src_t *src,
+ const fib_entry_t *fib_entry);
+
+/**
+ * Virtual function table each FIB entry source will register
+ */
+typedef struct fib_entry_src_vft_t_ {
+ fib_entry_src_init_t fesv_init;
+ fib_entry_src_deinit_t fesv_deinit;
+ fib_entry_src_activate_t fesv_activate;
+ fib_entry_src_deactivate_t fesv_deactivate;
+ fib_entry_src_add_t fesv_add;
+ fib_entry_src_remove_t fesv_remove;
+ fib_entry_src_path_swap_t fesv_path_swap;
+ fib_entry_src_path_add_t fesv_path_add;
+ fib_entry_src_path_remove_t fesv_path_remove;
+ fib_entry_src_cover_change_t fesv_cover_change;
+ fib_entry_src_cover_update_t fesv_cover_update;
+ fib_entry_src_format_t fesv_format;
+ fib_entry_src_installed_t fesv_installed;
+ fib_entry_src_fwd_update_t fesv_fwd_update;
+ fib_entry_src_get_data_t fesv_get_data;
+ fib_entry_src_set_data_t fesv_set_data;
+} fib_entry_src_vft_t;
+
+#define FOR_EACH_SRC_ADDED(_entry, _src, _source, action) \
+{ \
+ vec_foreach(_src, _entry->fe_srcs) \
+ { \
+ if (_src->fes_flags & FIB_ENTRY_SRC_FLAG_ADDED) { \
+ _source = _src->fes_src; \
+ do { \
+ action; \
+ } while(0); \
+ } \
+ } \
+}
+
+extern u8* fib_entry_src_format(fib_entry_t *entry,
+ fib_source_t source,
+ u8* s);
+
+extern void fib_entry_src_register(fib_source_t source,
+ const fib_entry_src_vft_t *vft);
+
+extern void fib_entry_src_action_init(fib_entry_t *entry,
+ fib_source_t source);
+
+extern void fib_entry_src_action_deinit(fib_entry_t *fib_entry,
+ fib_source_t source);
+
+extern fib_entry_src_cover_res_t fib_entry_src_action_cover_change(
+ fib_entry_t *entry,
+ fib_source_t source);
+
+extern fib_entry_src_cover_res_t fib_entry_src_action_cover_update(
+ fib_entry_t *fib_entry,
+ fib_source_t source);
+
+extern void fib_entry_src_action_activate(fib_entry_t *fib_entry,
+ fib_source_t source);
+
+extern void fib_entry_src_action_deactivate(fib_entry_t *fib_entry,
+ fib_source_t source);
+extern void fib_entry_src_action_reactivate(fib_entry_t *fib_entry,
+ fib_source_t source);
+
+extern fib_entry_t* fib_entry_src_action_add(fib_entry_t *fib_entry,
+ fib_source_t source,
+ fib_entry_flag_t flags,
+ const dpo_id_t *dpo);
+extern fib_entry_t* fib_entry_src_action_update(fib_entry_t *fib_entry,
+ fib_source_t source,
+ fib_entry_flag_t flags,
+ const dpo_id_t *dpo);
+
+extern fib_entry_src_flag_t fib_entry_src_action_remove(fib_entry_t *fib_entry,
+ fib_source_t source);
+
+extern void fib_entry_src_action_install(fib_entry_t *fib_entry,
+ fib_source_t source);
+
+extern void fib_entry_src_action_uninstall(fib_entry_t *fib_entry);
+
+extern fib_entry_t* fib_entry_src_action_path_add(fib_entry_t *fib_entry,
+ fib_source_t source,
+ fib_entry_flag_t flags,
+ const fib_route_path_t *path);
+
+extern fib_entry_t* fib_entry_src_action_path_swap(fib_entry_t *fib_entry,
+ fib_source_t source,
+ fib_entry_flag_t flags,
+ const fib_route_path_t *path);
+
+extern fib_entry_src_flag_t fib_entry_src_action_path_remove(fib_entry_t *fib_entry,
+ fib_source_t source,
+ const fib_route_path_t *path);
+
+extern void fib_entry_src_action_installed(const fib_entry_t *fib_entry,
+ fib_source_t source);
+
+extern fib_forward_chain_type_t fib_entry_get_default_chain_type(
+ const fib_entry_t *fib_entry);
+extern fib_entry_flag_t fib_entry_get_flags_i(const fib_entry_t *fib_entry);
+extern fib_path_list_flags_t fib_entry_src_flags_2_path_list_flags(
+ fib_entry_flag_t eflags);
+
+extern fib_forward_chain_type_t fib_entry_chain_type_fixup(const fib_entry_t *entry,
+ fib_forward_chain_type_t fct);
+
+extern void fib_entry_src_mk_lb (fib_entry_t *fib_entry,
+ const fib_entry_src_t *esrc,
+ fib_forward_chain_type_t fct,
+ dpo_id_t *dpo_lb);
+
+
+/*
+ * Per-source registration. declared here so we save a separate .h file for each
+ */
+extern void fib_entry_src_default_register(void);
+extern void fib_entry_src_rr_register(void);
+extern void fib_entry_src_interface_register(void);
+extern void fib_entry_src_default_route_register(void);
+extern void fib_entry_src_special_register(void);
+extern void fib_entry_src_api_register(void);
+extern void fib_entry_src_adj_register(void);
+extern void fib_entry_src_mpls_register(void);
+extern void fib_entry_src_lisp_register(void);
+
+extern void fib_entry_src_module_init(void);
+
+#endif
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