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authorpaul <paul>2002-12-13 20:15:29 +0000
committerpaul <paul>2002-12-13 20:15:29 +0000
commit718e3744195351130f4ce7dbe0613f4b3e23df93 (patch)
treebac2ad39971cd43f31241ef123bd4e470f695ac9 /bgpd/bgp_route.h
Initial revision
Diffstat (limited to 'bgpd/bgp_route.h')
-rw-r--r--bgpd/bgp_route.h159
1 files changed, 159 insertions, 0 deletions
diff --git a/bgpd/bgp_route.h b/bgpd/bgp_route.h
new file mode 100644
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--- /dev/null
+++ b/bgpd/bgp_route.h
@@ -0,0 +1,159 @@
+/* BGP routing information base
+ Copyright (C) 1996, 97, 98, 2000 Kunihiro Ishiguro
+
+This file is part of GNU Zebra.
+
+GNU Zebra is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+GNU Zebra is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+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 GNU Zebra; see the file COPYING. If not, write to the Free
+Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+
+struct bgp_info
+{
+ /* For linked list. */
+ struct bgp_info *next;
+ struct bgp_info *prev;
+
+ /* BGP route type. This can be static, RIP, OSPF, BGP etc. */
+ u_char type;
+
+ /* When above type is BGP. This sub type specify BGP sub type
+ information. */
+ u_char sub_type;
+#define BGP_ROUTE_NORMAL 0
+#define BGP_ROUTE_STATIC 1
+#define BGP_ROUTE_AGGREGATE 2
+#define BGP_ROUTE_REDISTRIBUTE 3
+
+ /* BGP information status. */
+ u_char flags;
+#define BGP_INFO_IGP_CHANGED (1 << 0)
+#define BGP_INFO_DAMPED (1 << 1)
+#define BGP_INFO_HISTORY (1 << 2)
+#define BGP_INFO_SELECTED (1 << 3)
+#define BGP_INFO_VALID (1 << 4)
+#define BGP_INFO_ATTR_CHANGED (1 << 5)
+#define BGP_INFO_DMED_CHECK (1 << 6)
+#define BGP_INFO_DMED_SELECTED (1 << 7)
+
+ /* Peer structure. */
+ struct peer *peer;
+
+ /* Attribute structure. */
+ struct attr *attr;
+
+ /* This route is suppressed with aggregation. */
+ int suppress;
+
+ /* Nexthop reachability check. */
+ u_int32_t igpmetric;
+
+ /* Uptime. */
+ time_t uptime;
+
+ /* Pointer to dampening structure. */
+ struct bgp_damp_info *damp_info;
+
+ /* MPLS label. */
+ u_char tag[3];
+};
+
+/* BGP static route configuration. */
+struct bgp_static
+{
+ /* Backdoor configuration. */
+ int backdoor;
+
+ /* Import check status. */
+ u_char valid;
+
+ /* IGP metric. */
+ u_int32_t igpmetric;
+
+ /* IGP nexthop. */
+ struct in_addr igpnexthop;
+
+ /* BGP redistribute route-map. */
+ struct
+ {
+ char *name;
+ struct route_map *map;
+ } rmap;
+
+ /* MPLS label. */
+ u_char tag[3];
+};
+
+#define DISTRIBUTE_IN_NAME(F) ((F)->dlist[FILTER_IN].name)
+#define DISTRIBUTE_IN(F) ((F)->dlist[FILTER_IN].alist)
+#define DISTRIBUTE_OUT_NAME(F) ((F)->dlist[FILTER_OUT].name)
+#define DISTRIBUTE_OUT(F) ((F)->dlist[FILTER_OUT].alist)
+
+#define PREFIX_LIST_IN_NAME(F) ((F)->plist[FILTER_IN].name)
+#define PREFIX_LIST_IN(F) ((F)->plist[FILTER_IN].plist)
+#define PREFIX_LIST_OUT_NAME(F) ((F)->plist[FILTER_OUT].name)
+#define PREFIX_LIST_OUT(F) ((F)->plist[FILTER_OUT].plist)
+
+#define FILTER_LIST_IN_NAME(F) ((F)->aslist[FILTER_IN].name)
+#define FILTER_LIST_IN(F) ((F)->aslist[FILTER_IN].aslist)
+#define FILTER_LIST_OUT_NAME(F) ((F)->aslist[FILTER_OUT].name)
+#define FILTER_LIST_OUT(F) ((F)->aslist[FILTER_OUT].aslist)
+
+#define ROUTE_MAP_IN_NAME(F) ((F)->map[FILTER_IN].name)
+#define ROUTE_MAP_IN(F) ((F)->map[FILTER_IN].map)
+#define ROUTE_MAP_OUT_NAME(F) ((F)->map[FILTER_OUT].name)
+#define ROUTE_MAP_OUT(F) ((F)->map[FILTER_OUT].map)
+
+#define UNSUPPRESS_MAP_NAME(F) ((F)->usmap.name)
+#define UNSUPPRESS_MAP(F) ((F)->usmap.map)
+
+/* Prototypes. */
+void bgp_route_init ();
+void bgp_announce_route (struct peer *, afi_t, safi_t);
+void bgp_announce_route_all (struct peer *);
+void bgp_default_originate (struct peer *, afi_t, safi_t, int);
+void bgp_soft_reconfig_in (struct peer *, afi_t, safi_t);
+void bgp_clear_route (struct peer *, afi_t, safi_t);
+void bgp_clear_route_all (struct peer *);
+void bgp_clear_adj_in (struct peer *, afi_t, safi_t);
+
+int bgp_nlri_sanity_check (struct peer *, int, u_char *, bgp_size_t);
+int bgp_nlri_parse (struct peer *, struct attr *, struct bgp_nlri *);
+
+int bgp_maximum_prefix_overflow (struct peer *, afi_t, safi_t);
+
+void bgp_redistribute_add (struct prefix *, struct in_addr *, u_int32_t, u_char);
+void bgp_redistribute_delete (struct prefix *, u_char);
+void bgp_redistribute_withdraw (struct bgp *, afi_t, int);
+
+void bgp_static_delete (struct bgp *);
+void bgp_static_update (struct bgp *, struct prefix *, struct bgp_static *,
+ afi_t, safi_t);
+void bgp_static_withdraw (struct bgp *, struct prefix *, afi_t, safi_t);
+
+int bgp_static_set_vpnv4 (struct vty *vty, char *, char *, char *);
+
+int bgp_static_unset_vpnv4 (struct vty *, char *, char *, char *);
+
+int bgp_config_write_network (struct vty *, struct bgp *, afi_t, safi_t, int *);
+int bgp_config_write_distance (struct vty *, struct bgp *);
+
+void bgp_aggregate_increment (struct bgp *, struct prefix *, struct bgp_info *,
+ afi_t, safi_t);
+void bgp_aggregate_decrement (struct bgp *, struct prefix *, struct bgp_info *,
+ afi_t, safi_t);
+
+u_char bgp_distance_apply (struct prefix *, struct bgp_info *, struct bgp *);
+
+afi_t bgp_node_afi (struct vty *);
+safi_t bgp_node_safi (struct vty *);