src/vnet/fib/fib_entry_src.h - fdio/vpp - Gitiles

 /*
  * 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
  */
 extern vlib_log_class_t fib_entry_logger;

 #define FIB_ENTRY_DBG(_e, _fmt, _args...)		\
 {   		          				\
     vlib_log_debug(fib_entry_logger,                    \
                    "[@%d:[%U]:%U:%U]: " _fmt,           \
                    fib_entry_get_index(_e),		\
                    format_fib_prefix,                   \
                    &_e->fe_prefix,                      \
                    format_fib_entry_flags,              \
                    fib_entry_get_flags_i(_e),           \
                    format_fib_source,                   \
                    fib_entry_get_source_i(_e),          \
                    ##_args);                            \
 }

 /**
  * 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 re-activation. Called when the source is updated and remains
  * the best source.
  */
 typedef int (*fib_entry_src_reactivate_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,
 				    dpo_proto_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);

 /**
  * Contribute forwarding to interpose inthe chain
  */
 typedef const dpo_id_t* (*fib_entry_src_contribute_interpose_t)(const fib_entry_src_t *src,
                                                          const fib_entry_t *fib_entry);

 /**
  * The fib entry flags for this source are changing
  */
 typedef void (*fib_entry_src_flag_change_t)(fib_entry_src_t *src,
                                             const fib_entry_t *fib_entry,
                                             fib_entry_flag_t new_flags);

 /**
  * The fib entry flags for this source are changing
  */
 typedef void (*fib_entry_src_copy_t)(const fib_entry_src_t *orig_src,
                                      const fib_entry_t *fib_entry,
                                      fib_entry_src_t *copy_src);

 /**
  * 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_reactivate_t fesv_reactivate;
     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_contribute_interpose_t fesv_contribute_interpose;
     fib_entry_src_flag_change_t fesv_flags_change;
     fib_entry_src_copy_t fesv_copy;
 } 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;				\
             action;						\
 	}							\
     }								\
 }

 #define FIB_ENTRY_SRC_VFT_INVOKE(esrc, func, args)             \
 {                                                              \
     const fib_entry_src_vft_t *_vft;                           \
     _vft = fib_entry_src_get_vft(esrc);                        \
     if (_vft->func) {                                          \
         (esrc)->fes_flags &= ~FIB_ENTRY_SRC_FLAG_STALE;        \
         _vft->func args;                                       \
     }                                                          \
 }

 #define FIB_ENTRY_SRC_VFT_INVOKE_AND_RETURN(esrc, func, args)  \
 {                                                              \
     const fib_entry_src_vft_t *_vft;                           \
     _vft = fib_entry_src_get_vft(esrc);                        \
     if (_vft->func) {                                          \
         (esrc)->fes_flags &= ~FIB_ENTRY_SRC_FLAG_STALE;        \
         return (_vft->func args);                              \
     }                                                          \
 }

 #define FIB_ENTRY_SRC_VFT_EXISTS(esrc, func)        \
 {                                                   \
     const fib_entry_src_vft_t *_vft;                \
     _vft = fib_entry_src_get_vft(esrc);             \
     (_vft->func);                                   \
 }

 extern const fib_entry_src_vft_t*fib_entry_src_get_vft(
     const fib_entry_src_t *esrc);

 extern u8* fib_entry_src_format(fib_entry_t *entry,
 				fib_source_t source,
 				u8* s);

 extern void fib_entry_src_behaviour_register (fib_source_behaviour_t source,
                                               const fib_entry_src_vft_t *vft);

 extern fib_entry_src_cover_res_t fib_entry_src_action_cover_change(
     fib_entry_t *entry,
     fib_entry_src_t *esrc);

 extern fib_entry_src_cover_res_t fib_entry_src_action_cover_update(
     fib_entry_t *fib_entry,
     fib_entry_src_t *esrc);

 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 fib_entry_src_flag_t
 fib_entry_src_action_remove_or_update_inherit(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 void fib_entry_src_inherit (const fib_entry_t *cover,
                                    fib_entry_t *covered);

 extern fib_forward_chain_type_t fib_entry_get_default_chain_type(
     const fib_entry_t *fib_entry);
 extern fib_source_t fib_entry_get_source_i(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);

 extern fib_protocol_t fib_entry_get_proto(const fib_entry_t * fib_entry);
 extern dpo_proto_t fib_entry_get_dpo_proto(const fib_entry_t * fib_entry);

 extern void fib_entry_source_change(fib_entry_t *fib_entry,
                                     fib_source_t old_source,
                                     fib_source_t new_source);

 /*
  * 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_interpose_register(void);
 extern void fib_entry_src_drop_register(void);
 extern void fib_entry_src_simple_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
	/*
	* 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
	*/
	extern vlib_log_class_t fib_entry_logger;

	#define FIB_ENTRY_DBG(_e, _fmt, _args...) \
	{ \
	vlib_log_debug(fib_entry_logger, \
	"[@%d:[%U]:%U:%U]: " _fmt, \
	fib_entry_get_index(_e), \
	format_fib_prefix, \
	&_e->fe_prefix, \
	format_fib_entry_flags, \
	fib_entry_get_flags_i(_e), \
	format_fib_source, \
	fib_entry_get_source_i(_e), \
	##_args); \
	}

	/**
	* 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 re-activation. Called when the source is updated and remains
	* the best source.
	*/
	typedef int (fib_entry_src_reactivate_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,
	dpo_proto_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);

	/**
	* Contribute forwarding to interpose inthe chain
	*/
	typedef const dpo_id_t* (fib_entry_src_contribute_interpose_t)(const fib_entry_src_t src,
	const fib_entry_t *fib_entry);

	/**
	* The fib entry flags for this source are changing
	*/
	typedef void (fib_entry_src_flag_change_t)(fib_entry_src_t src,
	const fib_entry_t *fib_entry,
	fib_entry_flag_t new_flags);

	/**
	* The fib entry flags for this source are changing
	*/
	typedef void (fib_entry_src_copy_t)(const fib_entry_src_t orig_src,
	const fib_entry_t *fib_entry,
	fib_entry_src_t *copy_src);

	/**
	* 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_reactivate_t fesv_reactivate;
	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_contribute_interpose_t fesv_contribute_interpose;
	fib_entry_src_flag_change_t fesv_flags_change;
	fib_entry_src_copy_t fesv_copy;
	} 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; \
	action; \
	} \
	} \
	}

	#define FIB_ENTRY_SRC_VFT_INVOKE(esrc, func, args) \
	{ \
	const fib_entry_src_vft_t *_vft; \
	_vft = fib_entry_src_get_vft(esrc); \
	if (_vft->func) { \
	(esrc)->fes_flags &= ~FIB_ENTRY_SRC_FLAG_STALE; \
	_vft->func args; \
	} \
	}

	#define FIB_ENTRY_SRC_VFT_INVOKE_AND_RETURN(esrc, func, args) \
	{ \
	const fib_entry_src_vft_t *_vft; \
	_vft = fib_entry_src_get_vft(esrc); \
	if (_vft->func) { \
	(esrc)->fes_flags &= ~FIB_ENTRY_SRC_FLAG_STALE; \
	return (_vft->func args); \
	} \
	}

	#define FIB_ENTRY_SRC_VFT_EXISTS(esrc, func) \
	{ \
	const fib_entry_src_vft_t *_vft; \
	_vft = fib_entry_src_get_vft(esrc); \
	(_vft->func); \
	}

	extern const fib_entry_src_vft_t*fib_entry_src_get_vft(
	const fib_entry_src_t *esrc);

	extern u8* fib_entry_src_format(fib_entry_t *entry,
	fib_source_t source,
	u8* s);

	extern void fib_entry_src_behaviour_register (fib_source_behaviour_t source,
	const fib_entry_src_vft_t *vft);

	extern fib_entry_src_cover_res_t fib_entry_src_action_cover_change(
	fib_entry_t *entry,
	fib_entry_src_t *esrc);

	extern fib_entry_src_cover_res_t fib_entry_src_action_cover_update(
	fib_entry_t *fib_entry,
	fib_entry_src_t *esrc);

	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 fib_entry_src_flag_t
	fib_entry_src_action_remove_or_update_inherit(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 void fib_entry_src_inherit (const fib_entry_t *cover,
	fib_entry_t *covered);

	extern fib_forward_chain_type_t fib_entry_get_default_chain_type(
	const fib_entry_t *fib_entry);
	extern fib_source_t fib_entry_get_source_i(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);

	extern fib_protocol_t fib_entry_get_proto(const fib_entry_t * fib_entry);
	extern dpo_proto_t fib_entry_get_dpo_proto(const fib_entry_t * fib_entry);

	extern void fib_entry_source_change(fib_entry_t *fib_entry,
	fib_source_t old_source,
	fib_source_t new_source);

	/*
	* 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_interpose_register(void);
	extern void fib_entry_src_drop_register(void);
	extern void fib_entry_src_simple_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