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/*
* IS-IS Rout(e)ing protocol - isisd.h
*
* Copyright (C) 2001,2002 Sampo Saaristo
* Tampere University of Technology
* Institute of Communications Engineering
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public Licenseas published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef ISISD_H
#define ISISD_H
#define ISISD_VERSION "0.0.7"
/* uncomment if you are a developer in bug hunt */
/* #define EXTREME_DEBUG */
/* #define EXTREME_TLV_DEBUG */
/* If you want topology stuff compiled in */
/* #define TOPOLOGY_GENERATE */
struct rmap
{
char *name;
struct route_map *map;
};
struct isis
{
u_long process_id;
int sysid_set;
u_char sysid[ISIS_SYS_ID_LEN]; /* SystemID for this IS */
struct list *area_list; /* list of IS-IS areas */
struct list *init_circ_list;
struct list *nexthops; /* IPv4 next hops from this IS */
#ifdef HAVE_IPV6
struct list *nexthops6; /* IPv6 next hops from this IS */
#endif /* HAVE_IPV6 */
u_char max_area_addrs; /* maximumAreaAdresses */
struct area_addr *man_area_addrs; /* manualAreaAddresses */
u_int32_t debugs; /* bitmap for debug */
time_t uptime; /* when did we start */
/* Redistributed external information. */
struct route_table *external_info[ZEBRA_ROUTE_MAX + 1];
/* Redistribute metric info. */
struct
{
int type; /* Internal or External */
int value; /* metric value */
} dmetric[ZEBRA_ROUTE_MAX + 1];
struct
{
char *name;
struct route_map *map;
} rmap[ZEBRA_ROUTE_MAX + 1];
#ifdef HAVE_IPV6
struct
{
struct
{
char *name;
struct route_map *map;
} rmap[ZEBRA_ROUTE_MAX + 1];
} inet6_afmode;
#endif
};
struct isis_area
{
struct isis *isis; /* back pointer */
dict_t *lspdb[ISIS_LEVELS]; /* link-state dbs */
struct isis_spftree *spftree[ISIS_LEVELS]; /* The v4 SPTs */
struct route_table *route_table; /* IPv4 routes */
#ifdef HAVE_IPV6
struct isis_spftree *spftree6[ISIS_LEVELS]; /* The v4 SPTs */
struct route_table *route_table6; /* IPv6 routes */
#endif
unsigned int min_bcast_mtu;
struct list *circuit_list; /* IS-IS circuits */
struct flags flags;
struct thread *t_tick; /* LSP walker */
struct thread *t_remove_aged;
int lsp_regenerate_pending[ISIS_LEVELS];
struct thread *t_lsp_refresh[ISIS_LEVELS];
/*
* Configurables
*/
struct isis_passwd area_passwd;
struct isis_passwd domain_passwd;
/* do we support dynamic hostnames? */
char dynhostname;
/* do we support new style metrics? */
char newmetric;
/* identifies the routing instance */
char *area_tag;
/* area addresses for this area */
struct list *area_addrs;
u_int16_t max_lsp_lifetime[ISIS_LEVELS];
char is_type; /* level-1 level-1-2 or level-2-only */
u_int16_t lsp_refresh[ISIS_LEVELS];
/* minimum time allowed before lsp retransmission */
u_int16_t lsp_gen_interval[ISIS_LEVELS];
/* min interval between between consequtive SPFs */
u_int16_t min_spf_interval[ISIS_LEVELS];
/* the percentage of LSP mtu size used, before generating a new frag */
int lsp_frag_threshold;
int ip_circuits;
#ifdef HAVE_IPV6
int ipv6_circuits;
#endif /* HAVE_IPV6 */
/* Counters */
u_int32_t circuit_state_changes;
#ifdef TOPOLOGY_GENERATE
struct list *topology;
char topology_baseis[ISIS_SYS_ID_LEN]; /* is for the first is emulated */
char top_params[200]; /* FIXME: what is reasonable? */
#endif /* TOPOLOGY_GENERATE */
};
void isis_init (void);
struct isis_area *isis_area_lookup (const char *);
#define DEBUG_ADJ_PACKETS (1<<0)
#define DEBUG_CHECKSUM_ERRORS (1<<1)
#define DEBUG_LOCAL_UPDATES (1<<2)
#define DEBUG_PROTOCOL_ERRORS (1<<3)
#define DEBUG_SNP_PACKETS (1<<4)
#define DEBUG_UPDATE_PACKETS (1<<5)
#define DEBUG_SPF_EVENTS (1<<6)
#define DEBUG_SPF_STATS (1<<7)
#define DEBUG_SPF_TRIGGERS (1<<8)
#define DEBUG_RTE_EVENTS (1<<9)
#define DEBUG_EVENTS (1<<10)
#endif /* ISISD_H */
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