bgpd/bgp_mplsvpn.h

   1 /* MPLS-VPN
   2    Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
   3
   4 This file is part of GNU Zebra.
   5
   6 GNU Zebra is free software; you can redistribute it and/or modify it
   7 under the terms of the GNU General Public License as published by the
   8 Free Software Foundation; either version 2, or (at your option) any
   9 later version.
  10
  11 GNU Zebra is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Zebra; see the file COPYING.  If not, write to the Free
  18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19 02111-1307, USA.  */
  20
  21 #ifndef _QUAGGA_BGP_MPLSVPN_H
  22 #define _QUAGGA_BGP_MPLSVPN_H
  23
  24 #include "bgpd/bgp_route.h"
  25
  26 #define RD_TYPE_AS      0
  27 #define RD_TYPE_IP      1
  28 #define RD_TYPE_AS4     2
  29 #if ENABLE_BGP_VNC
  30 #define RD_TYPE_VNC_ETH 0xff00  /* VNC L2VPN */
  31 #endif
  32
  33 #define RD_ADDRSTRLEN  28
  34
  35 #ifdef MPLS_LABEL_MAX
  36 # undef MPLS_LABEL_MAX
  37 #endif
  38
  39 typedef enum {
  40     MPLS_LABEL_IPV4_EXPLICIT_NULL = 0,  /* [RFC3032] */
  41     MPLS_LABEL_ROUTER_ALERT       = 1,  /* [RFC3032] */
  42     MPLS_LABEL_IPV6_EXPLICIT_NULL = 2,  /* [RFC3032] */
  43     MPLS_LABEL_IMPLICIT_NULL      = 3,  /* [RFC3032] */
  44     MPLS_LABEL_UNASSIGNED4        = 4,
  45     MPLS_LABEL_UNASSIGNED5        = 5,
  46     MPLS_LABEL_UNASSIGNED6        = 6,
  47     MPLS_LABEL_ELI                = 7,  /* Entropy Indicator [RFC6790] */
  48     MPLS_LABEL_UNASSIGNED8        = 8,
  49     MPLS_LABEL_UNASSIGNED9        = 9,
  50     MPLS_LABEL_UNASSIGNED10       = 10,
  51     MPLS_LABEL_UNASSIGNED11       = 11,
  52     MPLS_LABEL_GAL                = 13, /* [RFC5586] */
  53     MPLS_LABEL_OAM_ALERT          = 14, /* [RFC3429] */
  54     MPLS_LABEL_EXTENSION          = 15,  /* [RFC7274] */
  55     MPLS_LABEL_MAX                = 1048575,
  56     MPLS_LABEL_ILLEGAL            = 0xFFFFFFFF /* for internal use only */
  57 } mpls_special_label_t;
  58
  59 #define MPLS_LABEL_IS_SPECIAL(label)             \
  60     ((label) <= MPLS_LABEL_EXTENSION)
  61 #define MPLS_LABEL_IS_NULL(label)                \
  62     ((label) == MPLS_LABEL_IPV4_EXPLICIT_NULL || \
  63      (label) == MPLS_LABEL_IPV6_EXPLICIT_NULL || \
  64      (label) == MPLS_LABEL_IMPLICIT_NULL)
  65
  66 #define BGP_VPNVX_HELP_STR       \
  67   "Address Family\n"   \
  68   "Address Family\n"
  69
  70 struct rd_as
  71 {
  72   u_int16_t type;
  73   as_t as;
  74   u_int32_t val;
  75 };
  76
  77 struct rd_ip
  78 {
  79   u_int16_t type;
  80   struct in_addr ip;
  81   u_int16_t val;
  82 };
  83
  84 #if ENABLE_BGP_VNC
  85 struct rd_vnc_eth
  86 {
  87   u_int16_t type;
  88   uint8_t local_nve_id;
  89   struct ethaddr macaddr;
  90 };
  91 #endif
  92
  93 extern u_int16_t decode_rd_type (u_char *);
  94 extern void encode_rd_type (u_int16_t, u_char *);
  95 extern void bgp_mplsvpn_init (void);
  96 extern int bgp_nlri_parse_vpn (struct peer *, struct attr *, struct bgp_nlri *);
  97 extern u_int32_t decode_label (u_char *);
  98 extern void encode_label(u_int32_t, u_char *);
  99 extern void decode_rd_as (u_char *, struct rd_as *);
 100 extern void decode_rd_as4 (u_char *, struct rd_as *);
 101 extern void decode_rd_ip (u_char *, struct rd_ip *);
 102 #if ENABLE_BGP_VNC
 103 extern void
 104 decode_rd_vnc_eth (u_char *pnt, struct rd_vnc_eth *rd_vnc_eth);
 105 #endif
 106 extern int str2prefix_rd (const char *, struct prefix_rd *);
 107 extern int str2tag (const char *, u_char *);
 108 extern char *prefix_rd2str (struct prefix_rd *, char *, size_t);
 109
 110 extern int
 111 argv_find_and_parse_vpnvx(struct cmd_token **argv, int argc, int *index, afi_t *afi);
 112 extern int bgp_show_mpls_vpn (struct vty *vty, afi_t afi, struct prefix_rd *prd,
 113                               enum bgp_show_type type, void *output_arg, int tags, u_char use_json);
 114
 115 #endif /* _QUAGGA_BGP_MPLSVPN_H */