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 {
  39   u_int16_t type;
  40   as_t as;
  41   u_int32_t val;
  42 };
  43
  44 struct rd_ip
  45 {
  46   u_int16_t type;
  47   struct in_addr ip;
  48   u_int16_t val;
  49 };
  50
  51 #if ENABLE_BGP_VNC
  52 struct rd_vnc_eth
  53 {
  54   u_int16_t type;
  55   uint8_t local_nve_id;
  56   struct ethaddr macaddr;
  57 };
  58 #endif
  59
  60 extern u_int16_t decode_rd_type (u_char *pnt);
  61 extern void encode_rd_type (u_int16_t, u_char *);
  62
  63 extern void decode_rd_as (u_char *pnt, struct rd_as *rd_as);
  64 extern void decode_rd_as4 (u_char *pnt, struct rd_as *rd_as);
  65 extern void decode_rd_ip (u_char *pnt, struct rd_ip *rd_ip);
  66 #if ENABLE_BGP_VNC
  67 extern void
  68 decode_rd_vnc_eth (u_char *pnt, struct rd_vnc_eth *rd_vnc_eth);
  69 #endif
  70
  71 extern int str2prefix_rd (const char *, struct prefix_rd *);
  72 extern char *prefix_rd2str (struct prefix_rd *, char *, size_t);
  73
  74 #endif /* _QUAGGA_BGP_RD_H */