isisd/isisd.h

   1 /*
   2  * IS-IS Rout(e)ing protocol - isisd.h
   3  *
   4  * Copyright (C) 2001,2002   Sampo Saaristo
   5  *                           Tampere University of Technology
   6  *                           Institute of Communications Engineering
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public Licenseas published by the Free
  10  * Software Foundation; either version 2 of the License, or (at your option)
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,but WITHOUT
  14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  16  * more details.
  17
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  */
  22
  23 #ifndef ISISD_H
  24 #define ISISD_H
  25
  26 #define ISISD_VERSION "0.0.7"
  27 #define ISIS_VTYSH_PATH        "/tmp/.isisd"
  28
  29 /* uncomment if you are a developer in bug hunt */
  30 /* #define EXTREME_DEBUG  */
  31 /* #define EXTREME_TLV_DEBUG */
  32
  33 /* If you want topology stuff compiled in */
  34 /* #define TOPOLOGY_GENERATE */
  35
  36 struct rmap{
  37   char *name;
  38   struct route_map *map;
  39 };
  40
  41 struct isis
  42 {
  43   u_long process_id;
  44   int sysid_set;
  45   u_char sysid[ISIS_SYS_ID_LEN];    /* SystemID for this IS */
  46   struct list *area_list;           /* list of IS-IS areas */
  47   struct list *init_circ_list;
  48   struct list *nexthops;            /* IPv4 next hops from this IS */
  49 #ifdef HAVE_IPV6
  50   struct list  *nexthops6;          /* IPv6 next hops from this IS */
  51 #endif /* HAVE_IPV6 */
  52   u_char max_area_addrs;            /* maximumAreaAdresses */
  53   struct area_addr *man_area_addrs; /* manualAreaAddresses */
  54   u_int32_t debugs;                 /* bitmap for debug */
  55   time_t uptime;                    /* when did we start */
  56
  57   /* Redistributed external information. */
  58   struct route_table *external_info[ZEBRA_ROUTE_MAX + 1];
  59   /* Redistribute metric info. */
  60   struct {
  61     int type;                   /* Internal or External  */
  62     int value;                  /* metric value */
  63   } dmetric [ZEBRA_ROUTE_MAX + 1];
  64
  65   struct {
  66     char *name;
  67     struct route_map *map;
  68   } rmap [ZEBRA_ROUTE_MAX + 1];
  69 #ifdef HAVE_IPV6
  70   struct {
  71     struct {
  72       char *name;
  73       struct route_map *map;
  74     } rmap [ZEBRA_ROUTE_MAX + 1];
  75   } inet6_afmode;
  76 #endif
  77 };
  78
  79 struct isis_area
  80 {
  81   struct isis *isis;                          /* back pointer */
  82   dict_t *lspdb[ISIS_LEVELS];                 /* link-state dbs */
  83   struct isis_spftree *spftree[ISIS_LEVELS];  /* The v4 SPTs */
  84   struct route_table *route_table;            /* IPv4 routes */
  85 #ifdef HAVE_IPV6
  86   struct isis_spftree *spftree6[ISIS_LEVELS]; /* The v4 SPTs */
  87   struct route_table *route_table6;           /* IPv6 routes */
  88 #endif
  89   int min_bcast_mtu;
  90   struct list *circuit_list;                  /* IS-IS circuits */
  91   struct flags flags;
  92   struct thread *t_tick;                      /* LSP walker */
  93   struct thread *t_remove_aged;
  94   int lsp_regenerate_pending[ISIS_LEVELS];
  95   struct thread *t_lsp_refresh[ISIS_LEVELS];
  96
  97   /*
  98    * Configurables
  99    */
 100   struct isis_passwd area_passwd;
 101   struct isis_passwd domain_passwd;
 102   /* do we support dynamic hostnames?  */
 103   char dynhostname;
 104   /* do we support new style metrics?  */
 105   char newmetric;
 106   /* identifies the routing instance   */
 107   char *area_tag;
 108   /* area addresses for this area      */
 109   struct list *area_addrs;
 110   u_int16_t max_lsp_lifetime[ISIS_LEVELS];
 111   char is_type;  /* level-1 level-1-2 or level-2-only */
 112   u_int16_t lsp_refresh[ISIS_LEVELS];
 113   /* minimum time allowed before lsp retransmission */
 114   u_int16_t lsp_gen_interval[ISIS_LEVELS];
 115   /* min interval between between consequtive SPFs */
 116   u_int16_t min_spf_interval[ISIS_LEVELS];
 117   /* the percentage of LSP mtu size used, before generating a new frag */
 118   int lsp_frag_threshold;
 119   int ip_circuits;
 120 #ifdef HAVE_IPV6
 121   int ipv6_circuits;
 122 #endif /* HAVE_IPV6 */
 123   /* Counters */
 124   u_int32_t circuit_state_changes;
 125 #ifdef TOPOLOGY_GENERATE
 126   struct list                   *topology;
 127   char   topology_baseis[ISIS_SYS_ID_LEN]; /* is for the first is emulated  */
 128   char                    top_params[200]; /* FIXME: what is reasonable?    */
 129 #endif /* TOPOLOGY_GENERATE */
 130 };
 131
 132 void isis_init(void);
 133 struct isis_area *isis_area_lookup (char *);
 134
 135 #define DEBUG_ADJ_PACKETS                (1<<0)
 136 #define DEBUG_CHECKSUM_ERRORS            (1<<1)
 137 #define DEBUG_LOCAL_UPDATES              (1<<2)
 138 #define DEBUG_PROTOCOL_ERRORS            (1<<3)
 139 #define DEBUG_SNP_PACKETS                (1<<4)
 140 #define DEBUG_UPDATE_PACKETS             (1<<5)
 141 #define DEBUG_SPF_EVENTS                 (1<<6)
 142 #define DEBUG_SPF_STATS                  (1<<7)
 143 #define DEBUG_SPF_TRIGGERS               (1<<8)
 144 #define DEBUG_RTE_EVENTS                 (1<<9)
 145 #define DEBUG_EVENTS                     (1<<10)
 146
 147 #endif /* ISISD_H */