bgpd/bgp_rd.h

   1 /* BGP RD definitions for BGP-based VPNs (IP/EVPN)
   2  * -- brought over from bgpd/bgp_mplsvpn.h
   3  * Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
   4  *
   5  * This file is part of FRR.
   6  *
   7  * FRR is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * FRR is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with FRR; see the file COPYING.  If not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  */
  22
  23 #ifndef _QUAGGA_BGP_RD_H
  24 #define _QUAGGA_BGP_RD_H
  25
  26 /* RD types */
  27 #define RD_TYPE_AS      0
  28 #define RD_TYPE_IP      1
  29 #define RD_TYPE_AS4     2
  30
  31 #if ENABLE_BGP_VNC
  32 #define RD_TYPE_VNC_ETH 0xff00  /* VNC L2VPN */
  33 #endif
  34
  35 #define RD_ADDRSTRLEN  28
  36
  37 struct rd_as {
  38         uint16_t type;
  39         as_t as;
  40         uint32_t val;
  41 };
  42
  43 struct rd_ip {
  44         uint16_t type;
  45         struct in_addr ip;
  46         uint16_t val;
  47 };
  48
  49 #if ENABLE_BGP_VNC
  50 struct rd_vnc_eth {
  51         uint16_t type;
  52         uint8_t local_nve_id;
  53         struct ethaddr macaddr;
  54 };
  55 #endif
  56
  57 extern uint16_t decode_rd_type(uint8_t *pnt);
  58 extern void encode_rd_type(uint16_t, uint8_t *);
  59
  60 extern void decode_rd_as(uint8_t *pnt, struct rd_as *rd_as);
  61 extern void decode_rd_as4(uint8_t *pnt, struct rd_as *rd_as);
  62 extern void decode_rd_ip(uint8_t *pnt, struct rd_ip *rd_ip);
  63 #if ENABLE_BGP_VNC
  64 extern void decode_rd_vnc_eth(uint8_t *pnt, struct rd_vnc_eth *rd_vnc_eth);
  65 #endif
  66
  67 extern int str2prefix_rd(const char *, struct prefix_rd *);
  68 extern char *prefix_rd2str(struct prefix_rd *, char *, size_t);
  69 extern void form_auto_rd(struct in_addr router_id, uint16_t rd_id,
  70                          struct prefix_rd *prd);
  71
  72 #endif /* _QUAGGA_BGP_RD_H */