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// SPDX-License-Identifier: GPL-2.0-or-later
/* BGP RD definitions for BGP-based VPNs (IP/EVPN)
* -- brought over from bgpd/bgp_mplsvpn.h
* Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
*/
#ifndef _QUAGGA_BGP_RD_H
#define _QUAGGA_BGP_RD_H
#include "asn.h"
#include "prefix.h"
/* RD types */
#define RD_TYPE_UNDEFINED (-1)
#define RD_TYPE_AS 0
#define RD_TYPE_IP 1
#define RD_TYPE_AS4 2
#ifdef ENABLE_BGP_VNC
#define RD_TYPE_VNC_ETH 0xff00 /* VNC L2VPN */
#endif
#define RD_ADDRSTRLEN 28
#define RD_BYTES 8
#define BGP_RD_AS_FORMAT(mode) \
((mode == ASNOTATION_DOT) \
? "%pRDD" \
: ((mode == ASNOTATION_DOTPLUS) ? "%pRDE" : "%pRDP"))
#define BGP_RD_AS_FORMAT_SPACE(mode) \
((mode == ASNOTATION_DOT) \
? "%-21pRDD" \
: ((mode == ASNOTATION_DOTPLUS) ? "%-21pRDE" : "%-21pRDP"))
struct rd_as {
uint16_t type;
as_t as;
uint32_t val;
};
struct rd_ip {
uint16_t type;
struct in_addr ip;
uint16_t val;
};
#ifdef ENABLE_BGP_VNC
struct rd_vnc_eth {
uint16_t type;
uint8_t local_nve_id;
struct ethaddr macaddr;
};
#endif
extern uint16_t decode_rd_type(const uint8_t *pnt);
extern void encode_rd_type(uint16_t, uint8_t *);
extern void decode_rd_as(const uint8_t *pnt, struct rd_as *rd_as);
extern void decode_rd_as4(const uint8_t *pnt, struct rd_as *rd_as);
extern void decode_rd_ip(const uint8_t *pnt, struct rd_ip *rd_ip);
#ifdef ENABLE_BGP_VNC
extern void decode_rd_vnc_eth(const uint8_t *pnt,
struct rd_vnc_eth *rd_vnc_eth);
#endif
extern int str2prefix_rd(const char *, struct prefix_rd *);
extern char *prefix_rd2str(const struct prefix_rd *prd, char *buf, size_t size,
enum asnotation_mode asnotation);
extern void form_auto_rd(struct in_addr router_id, uint16_t rd_id,
struct prefix_rd *prd);
#endif /* _QUAGGA_BGP_RD_H */
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