/* 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. */
+ * 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 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_ATTR_H
#define _QUAGGA_BGP_ATTR_H
+#include "bgp_attr_evpn.h"
+
/* Simple bit mapping. */
#define BITMAP_NBBY 8
#define BGP_ATTR_NHLEN_VPNV6_GLOBAL 8+IPV6_MAX_BYTELEN
#define BGP_ATTR_NHLEN_VPNV6_GLOBAL_AND_LL ((8+IPV6_MAX_BYTELEN) * 2)
+/* Prefix SID types */
+#define BGP_PREFIX_SID_LABEL_INDEX 1
+#define BGP_PREFIX_SID_IPV6 2
+#define BGP_PREFIX_SID_ORIGINATOR_SRGB 3
+
+#define BGP_PREFIX_SID_LABEL_INDEX_LENGTH 7
+#define BGP_PREFIX_SID_IPV6_LENGTH 19
+#define BGP_PREFIX_SID_ORIGINATOR_SRGB_LENGTH 6
+
+struct bgp_attr_encap_subtlv {
+ struct bgp_attr_encap_subtlv *next; /* for chaining */
+ /* Reference count of this attribute. */
+ unsigned long refcnt;
+ uint16_t type;
+ uint16_t length;
+ uint8_t value[1]; /* will be extended */
+};
+
+#if ENABLE_BGP_VNC
+/*
+ * old rfp<->rfapi representation
+ */
+struct bgp_tea_options {
+ struct bgp_tea_options *next;
+ uint8_t options_count;
+ uint16_t options_length; /* each TLV may be 256 in length */
+ uint8_t type;
+ uint8_t length;
+ void *value; /* pointer to data */
+};
+
+#endif
+
+/* Overlay Index Info */
+struct overlay_index
+{
+ struct eth_segment_id eth_s_id;
+ union gw_addr gw_ip;
+};
+
/* Additional/uncommon BGP attributes.
* lazily allocated as and when a struct attr
* requires it.
/* Extended Communities attribute. */
struct ecommunity *ecommunity;
-
+
+ /* Large Communities attribute. */
+ struct lcommunity *lcommunity;
+
/* Route-Reflector Cluster attribute */
struct cluster_list *cluster;
/* MP Nexthop length */
u_char mp_nexthop_len;
+ /* MP Nexthop preference */
+ u_char mp_nexthop_prefer_global;
+
/* route tag */
- u_short tag;
+ route_tag_t tag;
+
+ /* Label index */
+ u_int32_t label_index;
+
+ uint16_t encap_tunneltype; /* grr */
+ struct bgp_attr_encap_subtlv *encap_subtlvs; /* rfc5512 */
+
+#if ENABLE_BGP_VNC
+ struct bgp_attr_encap_subtlv *vnc_subtlvs; /* VNC-specific */
+#endif
+ /* EVPN */
+ struct overlay_index evpn_overlay;
};
/* BGP core attribute structure. */
unsigned long refcnt;
/* Flag of attribute is set or not. */
- u_int32_t flag;
+ uint64_t flag;
/* Apart from in6_addr, the remaining static attributes */
struct in_addr nexthop;
u_int32_t med;
u_int32_t local_pref;
- u_int32_t nh_ifindex;
+ ifindex_t nh_ifindex;
/* Path origin attribute */
u_char origin;
#define BATTR_RMAP_NEXTHOP_UNCHANGED (1 << 3)
#define BATTR_RMAP_IPV6_GLOBAL_NHOP_CHANGED (1 << 4)
#define BATTR_RMAP_IPV6_LL_NHOP_CHANGED (1 << 5)
+#define BATTR_RMAP_IPV6_PREFER_GLOBAL_CHANGED (1 << 6)
/* Router Reflector related structure. */
struct cluster_list
u_char *val;
};
-#define ATTR_FLAG_BIT(X) (1 << ((X) - 1))
+#define ATTR_FLAG_BIT(X) (1ULL << ((X) - 1))
#define BGP_CLUSTER_LIST_LENGTH(attr) \
(((attr)->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST)) ? \
extern void bgp_attr_unintern (struct attr **);
extern void bgp_attr_flush (struct attr *);
extern struct attr *bgp_attr_default_set (struct attr *attr, u_char);
-extern struct attr *bgp_attr_default_intern (u_char);
extern struct attr *bgp_attr_aggregate_intern (struct bgp *, u_char,
struct aspath *,
struct community *, int as_set, u_char);
extern int bgp_mp_unreach_parse (struct bgp_attr_parser_args *args,
struct bgp_nlri *);
+extern struct bgp_attr_encap_subtlv *
+encap_tlv_dup(struct bgp_attr_encap_subtlv *orig);
+
+extern void
+bgp_attr_flush_encap(struct attr *attr);
+
/**
* Set of functions to encode MP_REACH_NLRI and MP_UNREACH_NLRI attributes.
* Typical call sequence is to call _start(), followed by multiple _prefix(),
* one for each NLRI that needs to be encoded into the UPDATE message, and
* finally the _end() function.
*/
-extern size_t bgp_packet_mpattr_start(struct stream *s, afi_t afi, safi_t safi,
- afi_t nh_afi,
+extern size_t bgp_packet_mpattr_start(struct stream *s, struct peer *peer,
+ afi_t afi, safi_t safi,
struct bpacket_attr_vec_arr *vecarr,
struct attr *attr);
extern void bgp_packet_mpattr_prefix(struct stream *s, afi_t afi, safi_t safi,
struct prefix *p, struct prefix_rd *prd,
u_char *tag, int addpath_encode,
- u_int32_t addpath_tx_id);
+ u_int32_t addpath_tx_id,
+ struct attr *);
+extern size_t bgp_packet_mpattr_prefix_size(afi_t afi, safi_t safi,
+ struct prefix *p);
extern void bgp_packet_mpattr_end(struct stream *s, size_t sizep);
extern size_t bgp_packet_mpunreach_start (struct stream *s, afi_t afi,
safi_t safi);
extern void bgp_packet_mpunreach_prefix (struct stream *s, struct prefix *p,
afi_t afi, safi_t safi, struct prefix_rd *prd,
- u_char *tag, int, u_int32_t);
+ u_char *tag, int, u_int32_t, struct attr *);
extern void bgp_packet_mpunreach_end (struct stream *s, size_t attrlen_pnt);
static inline int
CHECK_FLAG(out_rmap_flags, BATTR_RMAP_NEXTHOP_UNCHANGED) ||
CHECK_FLAG(out_rmap_flags, BATTR_RMAP_IPV4_NHOP_CHANGED) ||
CHECK_FLAG(out_rmap_flags, BATTR_RMAP_IPV6_GLOBAL_NHOP_CHANGED) ||
+ CHECK_FLAG(out_rmap_flags, BATTR_RMAP_IPV6_PREFER_GLOBAL_CHANGED) ||
CHECK_FLAG(out_rmap_flags, BATTR_RMAP_IPV6_LL_NHOP_CHANGED) ||
CHECK_FLAG(in_rmap_flags, BATTR_RMAP_NEXTHOP_UNCHANGED)) ? 1 : 0);
}
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