-/* $QuaggaId: Format:%an, %ai, %h$ $
- *
+/*
* BGP Multipath
* Copyright (C) 2010 Google Inc.
*
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with Quagga; see the file COPYING. If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _QUAGGA_BGP_MPATH_H
#define _QUAGGA_BGP_MPATH_H
-/* BGP default maximum-paths */
-#define BGP_DEFAULT_MAXPATHS 1
-
/* Supplemental information linked to bgp_info for keeping track of
* multipath selections, lazily allocated to save memory
*/
-struct bgp_info_mpath
-{
- /* Points to the first multipath (on bestpath) or the next multipath */
- struct bgp_info_mpath *mp_next;
+struct bgp_info_mpath {
+ /* Points to the first multipath (on bestpath) or the next multipath */
+ struct bgp_info_mpath *mp_next;
- /* Points to the previous multipath or NULL on bestpath */
- struct bgp_info_mpath *mp_prev;
+ /* Points to the previous multipath or NULL on bestpath */
+ struct bgp_info_mpath *mp_prev;
- /* Points to bgp_info associated with this multipath info */
- struct bgp_info *mp_info;
+ /* Points to bgp_info associated with this multipath info */
+ struct bgp_info *mp_info;
- /* When attached to best path, the number of selected multipaths */
- u_int32_t mp_count;
+ /* When attached to best path, the number of selected multipaths */
+ uint32_t mp_count;
- /* Aggregated attribute for advertising multipath route */
- struct attr *mp_attr;
+ /* Aggregated attribute for advertising multipath route */
+ struct attr *mp_attr;
};
/* Functions to support maximum-paths configuration */
-extern int bgp_maximum_paths_set (struct bgp *, afi_t, safi_t, int, u_int16_t);
-extern int bgp_maximum_paths_unset (struct bgp *, afi_t, safi_t, int);
+extern int bgp_maximum_paths_set(struct bgp *, afi_t, safi_t, int, uint16_t,
+ uint16_t);
+extern int bgp_maximum_paths_unset(struct bgp *, afi_t, safi_t, int);
/* Functions used by bgp_best_selection to record current
* multipath selections
*/
-extern void bgp_mp_list_init (struct list *);
-extern void bgp_mp_list_clear (struct list *);
-extern void bgp_mp_list_add (struct list *, struct bgp_info *);
-extern void bgp_mp_dmed_deselect (struct bgp_info *);
-extern void bgp_info_mpath_update (struct bgp_node *, struct bgp_info *,
- struct bgp_info *, struct list *,
- struct bgp_maxpaths_cfg *);
-extern void bgp_info_mpath_aggregate_update (struct bgp_info *,
- struct bgp_info *);
+extern int bgp_info_nexthop_cmp(struct bgp_info *bi1, struct bgp_info *bi2);
+extern void bgp_mp_list_init(struct list *);
+extern void bgp_mp_list_clear(struct list *);
+extern void bgp_mp_list_add(struct list *, struct bgp_info *);
+extern void bgp_mp_dmed_deselect(struct bgp_info *);
+extern void bgp_info_mpath_update(struct bgp_node *, struct bgp_info *,
+ struct bgp_info *, struct list *,
+ struct bgp_maxpaths_cfg *);
+extern void bgp_info_mpath_aggregate_update(struct bgp_info *,
+ struct bgp_info *);
/* Unlink and free multipath information associated with a bgp_info */
-extern void bgp_info_mpath_dequeue (struct bgp_info *);
-extern void bgp_info_mpath_free (struct bgp_info_mpath **);
+extern void bgp_info_mpath_dequeue(struct bgp_info *);
+extern void bgp_info_mpath_free(struct bgp_info_mpath **);
/* Walk list of multipaths associated with a best path */
-extern struct bgp_info *bgp_info_mpath_first (struct bgp_info *);
-extern struct bgp_info *bgp_info_mpath_next (struct bgp_info *);
+extern struct bgp_info *bgp_info_mpath_first(struct bgp_info *);
+extern struct bgp_info *bgp_info_mpath_next(struct bgp_info *);
/* Accessors for multipath information */
-extern u_int32_t bgp_info_mpath_count (struct bgp_info *);
-extern struct attr *bgp_info_mpath_attr (struct bgp_info *);
+extern uint32_t bgp_info_mpath_count(struct bgp_info *);
+extern struct attr *bgp_info_mpath_attr(struct bgp_info *);
#endif /* _QUAGGA_BGP_MPATH_H */