diff options
Diffstat (limited to 'bgpd/bgp_rd.h')
| -rw-r--r-- | bgpd/bgp_rd.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/bgpd/bgp_rd.h b/bgpd/bgp_rd.h new file mode 100644 index 0000000..e38c2fa --- /dev/null +++ b/bgpd/bgp_rd.h @@ -0,0 +1,73 @@ +// 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 */ |