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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"
#include "isisd/isis_redist.h"
/* uncomment if you are a developer in bug hunt */
/* #define EXTREME_DEBUG */
/* #define EXTREME_TLV_DEBUG */
struct isis
{
u_long process_id;
int sysid_set;
u_char sysid[ISIS_SYS_ID_LEN]; /* SystemID for this IS */
u_int32_t router_id; /* Router ID from zebra */
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 */
struct thread *t_dync_clean; /* dynamic hostname cache cleanup thread */
struct route_table *ext_info[REDIST_PROTOCOL_COUNT];
};
extern struct isis *isis;
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[ISIS_LEVELS]; /* IPv4 routes */
#ifdef HAVE_IPV6
struct isis_spftree *spftree6[ISIS_LEVELS]; /* The v6 SPTs */
struct route_table *route_table6[ISIS_LEVELS]; /* 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_lsp_refresh[ISIS_LEVELS];
int lsp_regenerate_pending[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;
char oldmetric;
/* 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 */
/* are we overloaded? */
char overload_bit;
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;
/* logging adjacency changes? */
u_char log_adj_changes;
#ifdef HAVE_IPV6
int ipv6_circuits;
#endif /* HAVE_IPV6 */
/* Counters */
u_int32_t circuit_state_changes;
struct isis_redist redist_settings[REDIST_PROTOCOL_COUNT]
[ZEBRA_ROUTE_MAX + 1][ISIS_LEVELS];
struct route_table *ext_reach[REDIST_PROTOCOL_COUNT][ISIS_LEVELS];
#ifdef TOPOLOGY_GENERATE
struct list *topology;
u_char topology_baseis[ISIS_SYS_ID_LEN]; /* IS for the first IS emulated. */
char *topology_basedynh; /* Dynamic hostname base. */
char top_params[200]; /* FIXME: what is reasonable? */
#endif /* TOPOLOGY_GENERATE */
};
void isis_init (void);
void isis_new(unsigned long);
struct isis_area *isis_area_create(const char *);
struct isis_area *isis_area_lookup (const char *);
int isis_area_get (struct vty *vty, const char *area_tag);
void print_debug(struct vty *, int, int);
/* Master of threads. */
extern struct thread_master *master;
#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)
#define DEBUG_ZEBRA (1<<11)
#define DEBUG_PACKET_DUMP (1<<12)
#endif /* ISISD_H */
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