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) ((label) <= MPLS_LABEL_EXTENSION)
  60 #define MPLS_LABEL_IS_NULL(label)                                              \
  61         ((label) == MPLS_LABEL_IPV4_EXPLICIT_NULL                              \
  62          || (label) == MPLS_LABEL_IPV6_EXPLICIT_NULL                           \
  63          || (label) == MPLS_LABEL_IMPLICIT_NULL)
  64
  65 #define BGP_VPNVX_HELP_STR                                                     \
  66         "Address Family\n"                                                     \
  67         "Address Family\n"
  68
  69 struct rd_as {
  70         u_int16_t type;
  71         as_t as;
  72         u_int32_t val;
  73 };
  74
  75 struct rd_ip {
  76         u_int16_t type;
  77         struct in_addr ip;
  78         u_int16_t val;
  79 };
  80
  81 #if ENABLE_BGP_VNC
  82 struct rd_vnc_eth {
  83         u_int16_t type;
  84         uint8_t local_nve_id;
  85         struct ethaddr macaddr;
  86 };
  87 #endif
  88
  89 extern u_int16_t decode_rd_type(u_char *);
  90 extern void encode_rd_type(u_int16_t, u_char *);
  91 extern void bgp_mplsvpn_init(void);
  92 extern int bgp_nlri_parse_vpn(struct peer *, struct attr *, struct bgp_nlri *);
  93 extern u_int32_t decode_label(u_char *);
  94 extern void encode_label(u_int32_t, u_char *);
  95 extern void decode_rd_as(u_char *, struct rd_as *);
  96 extern void decode_rd_as4(u_char *, struct rd_as *);
  97 extern void decode_rd_ip(u_char *, struct rd_ip *);
  98 #if ENABLE_BGP_VNC
  99 extern void decode_rd_vnc_eth(u_char *pnt, struct rd_vnc_eth *rd_vnc_eth);
 100 #endif
 101 extern int str2prefix_rd(const char *, struct prefix_rd *);
 102 extern char *prefix_rd2str(struct prefix_rd *, char *, size_t);
 103
 104 extern int argv_find_and_parse_vpnvx(struct cmd_token **argv, int argc,
 105                                      int *index, afi_t *afi);
 106 extern int bgp_show_mpls_vpn(struct vty *vty, afi_t afi, struct prefix_rd *prd,
 107                              enum bgp_show_type type, void *output_arg,
 108                              int tags, u_char use_json);
 109
 110 #endif /* _QUAGGA_BGP_MPLSVPN_H */