Initial revision
diff --git a/bgpd/bgp_attr.h b/bgpd/bgp_attr.h
new file mode 100644
index 0000000..9c5bf87
--- /dev/null
+++ b/bgpd/bgp_attr.h
@@ -0,0 +1,125 @@
+/* BGP attributes.
+ Copyright (C) 1996, 97, 98 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. */
+
+/* Simple bit mapping. */
+#define BITMAP_NBBY 8
+
+#define SET_BITMAP(MAP, NUM) \
+ SET_FLAG (MAP[(NUM) / BITMAP_NBBY], 1 << ((NUM) % BITMAP_NBBY))
+
+#define CHECK_BITMAP(MAP, NUM) \
+ CHECK_FLAG (MAP[(NUM) / BITMAP_NBBY], 1 << ((NUM) % BITMAP_NBBY))
+
+/* BGP Attribute type range. */
+#define BGP_ATTR_TYPE_RANGE 256
+#define BGP_ATTR_BITMAP_SIZE (BGP_ATTR_TYPE_RANGE / BITMAP_NBBY)
+
+/* BGP Attribute flags. */
+#define BGP_ATTR_FLAG_OPTIONAL 0x80 /* Attribute is optional. */
+#define BGP_ATTR_FLAG_TRANS 0x40 /* Attribute is transitive. */
+#define BGP_ATTR_FLAG_PARTIAL 0x20 /* Attribute is partial. */
+#define BGP_ATTR_FLAG_EXTLEN 0x10 /* Extended length flag. */
+
+/* BGP attribute header must bigger than 2. */
+#define BGP_ATTR_MIN_LEN 2 /* Attribute flag and type. */
+
+/* BGP attribute structure. */
+struct attr
+{
+ /* Reference count of this attribute. */
+ unsigned long refcnt;
+
+ /* Flag of attribute is set or not. */
+ u_int32_t flag;
+
+ /* Attributes. */
+ u_char origin;
+ struct in_addr nexthop;
+ u_int32_t med;
+ u_int32_t local_pref;
+ as_t aggregator_as;
+ struct in_addr aggregator_addr;
+ u_int32_t weight;
+ struct in_addr originator_id;
+ struct cluster_list *cluster;
+
+ u_char mp_nexthop_len;
+#ifdef HAVE_IPV6
+ struct in6_addr mp_nexthop_global;
+ struct in6_addr mp_nexthop_local;
+#endif /* HAVE_IPV6 */
+ struct in_addr mp_nexthop_global_in;
+ struct in_addr mp_nexthop_local_in;
+
+ /* AS Path structure */
+ struct aspath *aspath;
+
+ /* Community structure */
+ struct community *community;
+
+ /* Extended Communities attribute. */
+ struct ecommunity *ecommunity;
+
+ /* Unknown transitive attribute. */
+ struct transit *transit;
+};
+
+/* Router Reflector related structure. */
+struct cluster_list
+{
+ unsigned long refcnt;
+ int length;
+ struct in_addr *list;
+};
+
+/* Unknown transit attribute. */
+struct transit
+{
+ unsigned long refcnt;
+ int length;
+ u_char *val;
+};
+
+#define ATTR_FLAG_BIT(X) (1 << ((X) - 1))
+
+/* Prototypes. */
+void bgp_attr_init ();
+int bgp_attr_parse (struct peer *, struct attr *, bgp_size_t,
+ struct bgp_nlri *, struct bgp_nlri *);
+int bgp_attr_check (struct peer *, struct attr *);
+struct attr *bgp_attr_intern (struct attr *attr);
+void bgp_attr_unintern (struct attr *);
+void bgp_attr_flush (struct attr *);
+struct attr *bgp_attr_default_set (struct attr *attr, u_char);
+struct attr *bgp_attr_default_intern (u_char);
+struct attr *bgp_attr_aggregate_intern (struct bgp *, u_char, struct aspath *, struct community *, int as_set);
+bgp_size_t bgp_packet_attribute (struct bgp *bgp, struct peer *, struct stream *, struct attr *, struct prefix *, afi_t, safi_t, struct peer *, struct prefix_rd *, u_char *);
+bgp_size_t bgp_packet_withdraw (struct peer *peer, struct stream *s, struct prefix *p, afi_t, safi_t, struct prefix_rd *, u_char *);
+void bgp_dump_routes_attr (struct stream *, struct attr *);
+unsigned int attrhash_key_make (struct attr *);
+int attrhash_cmp (struct attr *, struct attr *);
+void attr_show_all (struct vty *);
+
+/* Cluster list prototypes. */
+int cluster_loop_check (struct cluster_list *, struct in_addr);
+void cluster_unintern (struct cluster_list *);
+
+/* Transit attribute prototypes. */
+void transit_unintern (struct transit *);