bgpd/bgp_mplsvpn.h

   1 /* MPLS-VPN
   2  * Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
   3  *
   4  * This file is part of GxNU 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 along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef _QUAGGA_BGP_MPLSVPN_H
  22 #define _QUAGGA_BGP_MPLSVPN_H
  23
  24 #include "bgpd/bgp_route.h"
  25 #include "bgpd/bgp_rd.h"
  26
  27 #ifdef MPLS_LABEL_MAX
  28 #undef MPLS_LABEL_MAX
  29 #endif
  30
  31 typedef enum {
  32         MPLS_LABEL_IPV4_EXPLICIT_NULL = 0, /* [RFC3032] */
  33         MPLS_LABEL_ROUTER_ALERT = 1,       /* [RFC3032] */
  34         MPLS_LABEL_IPV6_EXPLICIT_NULL = 2, /* [RFC3032] */
  35         MPLS_LABEL_IMPLICIT_NULL = 3,      /* [RFC3032] */
  36         MPLS_LABEL_UNASSIGNED4 = 4,
  37         MPLS_LABEL_UNASSIGNED5 = 5,
  38         MPLS_LABEL_UNASSIGNED6 = 6,
  39         MPLS_LABEL_ELI = 7, /* Entropy Indicator [RFC6790] */
  40         MPLS_LABEL_UNASSIGNED8 = 8,
  41         MPLS_LABEL_UNASSIGNED9 = 9,
  42         MPLS_LABEL_UNASSIGNED10 = 10,
  43         MPLS_LABEL_UNASSIGNED11 = 11,
  44         MPLS_LABEL_GAL = 13,       /* [RFC5586] */
  45         MPLS_LABEL_OAM_ALERT = 14, /* [RFC3429] */
  46         MPLS_LABEL_EXTENSION = 15, /* [RFC7274] */
  47         MPLS_LABEL_MAX = 1048575,
  48         MPLS_LABEL_ILLEGAL = 0xFFFFFFFF /* for internal use only */
  49 } mpls_special_label_t;
  50
  51 #define MPLS_LABEL_IS_SPECIAL(label) ((label) <= MPLS_LABEL_EXTENSION)
  52 #define MPLS_LABEL_IS_NULL(label)                                              \
  53         ((label) == MPLS_LABEL_IPV4_EXPLICIT_NULL                              \
  54          || (label) == MPLS_LABEL_IPV6_EXPLICIT_NULL                           \
  55          || (label) == MPLS_LABEL_IMPLICIT_NULL)
  56
  57 #define BGP_VPNVX_HELP_STR                                                     \
  58         "Address Family\n"                                                     \
  59         "Address Family\n"
  60
  61 #define V4_HEADER                                                              \
  62         "   Network          Next Hop            Metric LocPrf Weight Path\n"
  63 #define V4_HEADER_TAG "   Network          Next Hop      In tag/Out tag\n"
  64 #define V4_HEADER_OVERLAY                                                      \
  65         "   Network          Next Hop      EthTag    Overlay Index   RouterMac\n"
  66
  67 extern void bgp_mplsvpn_init(void);
  68 extern int bgp_nlri_parse_vpn(struct peer *, struct attr *, struct bgp_nlri *);
  69 extern u_int32_t decode_label(mpls_label_t *);
  70 extern void encode_label(mpls_label_t, mpls_label_t *);
  71
  72 extern int argv_find_and_parse_vpnvx(struct cmd_token **argv, int argc,
  73                                      int *index, afi_t *afi);
  74 extern int bgp_show_mpls_vpn(struct vty *vty, afi_t afi, struct prefix_rd *prd,
  75                              enum bgp_show_type type, void *output_arg,
  76                              int tags, u_char use_json);
  77
  78 #endif /* _QUAGGA_BGP_MPLSVPN_H */