isisd/isis_mt.h

   1 /*
   2  * IS-IS Rout(e)ing protocol - Multi Topology Support
   3  *
   4  * Copyright (C) 2017 Christian Franke
   5  *
   6  * This file is part of FreeRangeRouting (FRR)
   7  *
   8  * FRR is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2, or (at your option) any
  11  * later version.
  12  *
  13  * FRR is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with FRR; see the file COPYING.  If not, write to the Free
  20  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21  * 02111-1307, USA.
  22  */
  23 #ifndef ISIS_MT_H
  24 #define ISIS_MT_H
  25
  26 #define ISIS_MT_IPV4_UNICAST   0
  27 #define ISIS_MT_IPV4_MGMT      1
  28 #define ISIS_MT_IPV6_UNICAST   2
  29 #define ISIS_MT_IPV4_MULTICAST 3
  30 #define ISIS_MT_IPV6_MULTICAST 4
  31 #define ISIS_MT_IPV6_MGMT      5
  32
  33 #define ISIS_MT_NAMES \
  34     "<ipv4-unicast" \
  35     "|ipv4-mgmt" \
  36     "|ipv6-unicast" \
  37     "|ipv4-multicast" \
  38     "|ipv6-multicast" \
  39     "|ipv6-mgmt" \
  40     ">"
  41
  42 #define ISIS_MT_DESCRIPTIONS \
  43     "IPv4 unicast topology\n" \
  44     "IPv4 management topology\n" \
  45     "IPv6 unicast topology\n" \
  46     "IPv4 multicast topology\n" \
  47     "IPv6 multicast topology\n" \
  48     "IPv6 management topology\n"
  49
  50 #define ISIS_MT_INFO_FIELDS \
  51   uint16_t mtid;
  52
  53 struct isis_area_mt_setting {
  54   ISIS_MT_INFO_FIELDS
  55   bool enabled;
  56   bool overload;
  57 };
  58
  59 struct isis_circuit_mt_setting {
  60   ISIS_MT_INFO_FIELDS
  61   bool enabled;
  62 };
  63
  64 const char *isis_mtid2str(uint16_t mtid);
  65 uint16_t isis_str2mtid(const char *name);
  66
  67 struct isis_area;
  68 struct isis_circuit;
  69
  70 struct isis_area_mt_setting* area_lookup_mt_setting(struct isis_area *area,
  71                                                     uint16_t mtid);
  72 struct isis_area_mt_setting* area_new_mt_setting(struct isis_area *area,
  73                                                  uint16_t mtid);
  74 void area_add_mt_setting(struct isis_area *area,
  75                          struct isis_area_mt_setting *setting);
  76
  77 void area_mt_init(struct isis_area *area);
  78 void area_mt_finish(struct isis_area *area);
  79 struct isis_area_mt_setting* area_get_mt_setting(struct isis_area *area,
  80                                                  uint16_t mtid);
  81 int area_write_mt_settings(struct isis_area *area, struct vty *vty);
  82
  83 struct isis_circuit_mt_setting* circuit_lookup_mt_setting(
  84                                                 struct isis_circuit *circuit,
  85                                                 uint16_t mtid);
  86 struct isis_circuit_mt_setting* circuit_new_mt_setting(
  87                                                 struct isis_circuit *circuit,
  88                                                 uint16_t mtid);
  89 void circuit_add_mt_setting(struct isis_circuit *circuit,
  90                             struct isis_circuit_mt_setting *setting);
  91 void circuit_mt_init(struct isis_circuit *circuit);
  92 void circuit_mt_finish(struct isis_circuit *circuit);
  93 struct isis_circuit_mt_setting* circuit_get_mt_setting(
  94                                                 struct isis_circuit *circuit,
  95                                                 uint16_t mtid);
  96 int circuit_write_mt_settings(struct isis_circuit *circuit, struct vty *vty);
  97 #endif