/*
- * IS-IS Rout(e)ing protocol - isisd.h
+ * IS-IS Rout(e)ing protocol - isisd.h
*
* Copyright (C) 2001,2002 Sampo Saaristo
- * Tampere University of Technology
+ * 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)
+ * 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
+ * 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
/* #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 */
- struct list *nexthops6; /* IPv6 next hops from this IS */
- 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];
-
- QOBJ_FIELDS
+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 */
+ struct list *nexthops6; /* IPv6 next hops from this IS */
+ 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];
+
+ QOBJ_FIELDS
};
extern struct isis *isis;
DECLARE_QOBJ_TYPE(isis_area)
-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 */
- struct isis_spftree *spftree6[ISIS_LEVELS]; /* The v6 SPTs */
- struct route_table *route_table6[ISIS_LEVELS]; /* IPv6 routes */
+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 */
+ struct isis_spftree *spftree6[ISIS_LEVELS]; /* The v6 SPTs */
+ struct route_table *route_table6[ISIS_LEVELS]; /* IPv6 routes */
+ /* $FRR indent$ */
+/* clang-format off */
#define DEFAULT_LSP_MTU 1497
- unsigned int lsp_mtu; /* Size of LSPs to generate */
- struct list *circuit_list; /* IS-IS circuits */
- struct flags flags;
- struct thread *t_tick; /* LSP walker */
- struct thread *t_lsp_refresh[ISIS_LEVELS];
- /* t_lsp_refresh is used in two ways:
- * a) regular refresh of LSPs
- * b) (possibly throttled) updates to LSPs
- *
- * The lsp_regenerate_pending flag tracks whether the timer is active
- * for the a) or the b) case.
- *
- * It is of utmost importance to clear this flag when the timer is
- * rescheduled for normal refresh, because otherwise, updates will
- * be delayed until the next regular refresh.
- */
- 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;
- /* L1/L2 router identifier for inter-area traffic */
- char attached_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;
- /* multi topology settings */
- struct list *mt_settings;
- int ipv6_circuits;
- /* 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];
-
- struct spf_backoff *spf_delay_ietf[ISIS_LEVELS]; /*Structure with IETF SPF algo parameters*/
- struct thread *spf_timer[ISIS_LEVELS];
-
- QOBJ_FIELDS
+ unsigned int lsp_mtu; /* Size of LSPs to generate */
+ struct list *circuit_list; /* IS-IS circuits */
+ struct flags flags;
+ struct thread *t_tick; /* LSP walker */
+ struct thread *t_lsp_refresh[ISIS_LEVELS];
+ /* t_lsp_refresh is used in two ways:
+ * a) regular refresh of LSPs
+ * b) (possibly throttled) updates to LSPs
+ *
+ * The lsp_regenerate_pending flag tracks whether the timer is active
+ * for the a) or the b) case.
+ *
+ * It is of utmost importance to clear this flag when the timer is
+ * rescheduled for normal refresh, because otherwise, updates will
+ * be delayed until the next regular refresh.
+ */
+ 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;
+ /* L1/L2 router identifier for inter-area traffic */
+ char attached_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;
+ /* multi topology settings */
+ struct list *mt_settings;
+ int ipv6_circuits;
+ /* 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];
+
+ struct spf_backoff *spf_delay_ietf[ISIS_LEVELS]; /*Structure with IETF
+ SPF algo
+ parameters*/
+ struct thread *spf_timer[ISIS_LEVELS];
+
+ QOBJ_FIELDS
};
DECLARE_QOBJ_TYPE(isis_area)
-void isis_init (void);
+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);
+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);
void isis_area_overload_bit_set(struct isis_area *area, bool overload_bit);
void isis_area_lsp_mtu_set(struct isis_area *area, unsigned int lsp_mtu);
void isis_area_is_type_set(struct isis_area *area, int is_type);
void isis_area_max_lsp_lifetime_set(struct isis_area *area, int level,
- uint16_t max_lsp_lifetime);
+ uint16_t max_lsp_lifetime);
void isis_area_lsp_refresh_set(struct isis_area *area, int level,
uint16_t lsp_refresh);
/* IS_LEVEL_1 sets area_passwd, IS_LEVEL_2 domain_passwd */
-int isis_area_passwd_unset (struct isis_area *area, int level);
-int isis_area_passwd_cleartext_set (struct isis_area *area, int level,
- const char *passwd, u_char snp_auth);
-int isis_area_passwd_hmac_md5_set (struct isis_area *area, int level,
- const char *passwd, u_char snp_auth);
-void isis_vty_init (void);
+int isis_area_passwd_unset(struct isis_area *area, int level);
+int isis_area_passwd_cleartext_set(struct isis_area *area, int level,
+ const char *passwd, u_char snp_auth);
+int isis_area_passwd_hmac_md5_set(struct isis_area *area, int level,
+ const char *passwd, u_char snp_auth);
+void isis_vty_init(void);
/* Master of threads. */
extern struct thread_master *master;
#define DEBUG_LSP_GEN (1<<13)
#define DEBUG_LSP_SCHED (1<<14)
-#define lsp_debug(...) \
- do \
- { \
- if (isis->debugs & DEBUG_LSP_GEN) \
- zlog_debug(__VA_ARGS__); \
- } \
- while (0)
-
-#define sched_debug(...) \
- do \
- { \
- if (isis->debugs & DEBUG_LSP_SCHED) \
- zlog_debug(__VA_ARGS__); \
- } \
- while (0)
+#define lsp_debug(...) \
+ do { \
+ if (isis->debugs & DEBUG_LSP_GEN) \
+ zlog_debug(__VA_ARGS__); \
+ } while (0)
+
+#define sched_debug(...) \
+ do { \
+ if (isis->debugs & DEBUG_LSP_SCHED) \
+ zlog_debug(__VA_ARGS__); \
+ } while (0)
#define DEBUG_TE (1<<13)
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