2 * IS-IS Rout(e)ing protocol - isis_circuit.h
4 * Copyright (C) 2001,2002 Sampo Saaristo
5 * Tampere University of Technology
6 * Institute of Communications Engineering
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)
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
18 * You should have received a copy of the GNU General Public License along
19 * with this program; see the file COPYING; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef ISIS_CIRCUIT_H
24 #define ISIS_CIRCUIT_H
32 #include "isis_constants.h"
33 #include "isis_common.h"
36 DECLARE_HOOK(isis_if_new_hook
, (struct interface
*ifp
), (ifp
));
41 struct password
*next
;
47 uint8_t metric_default
;
49 uint8_t metric_expense
;
53 struct isis_bcast_info
{
54 uint8_t snpa
[ETH_ALEN
]; /* SNPA of this circuit */
55 char run_dr_elect
[ISIS_LEVELS
]; /* Should we run dr election ? */
56 struct thread
*t_run_dr
[ISIS_LEVELS
]; /* DR election thread */
57 struct thread
*t_send_lan_hello
[ISIS_LEVELS
]; /* send LAN IIHs in this
59 struct list
*adjdb
[ISIS_LEVELS
]; /* adjacency dbs */
60 struct list
*lan_neighs
[ISIS_LEVELS
]; /* list of lx neigh snpa */
61 char is_dr
[ISIS_LEVELS
]; /* Are we level x DR ? */
62 uint8_t l1_desig_is
[ISIS_SYS_ID_LEN
+ 1]; /* level-1 DR */
63 uint8_t l2_desig_is
[ISIS_SYS_ID_LEN
+ 1]; /* level-2 DR */
64 struct thread
*t_refresh_pseudo_lsp
[ISIS_LEVELS
]; /* refresh pseudo-node
68 struct isis_p2p_info
{
69 struct isis_adjacency
*neighbor
;
70 struct thread
*t_send_p2p_hello
; /* send P2P IIHs in this thread */
73 struct isis_circuit_arg
{
75 struct isis_circuit
*circuit
;
79 enum isis_circuit_state state
;
80 uint8_t circuit_id
; /* l1/l2 bcast CircuitID */
83 struct isis_area
*area
; /* back pointer to the area */
84 struct interface
*interface
; /* interface info from z */
85 int fd
; /* IS-IS l1/2 socket */
86 int sap_length
; /* SAP length for DLPI */
91 struct thread
*t_read
;
92 struct thread
*t_send_csnp
[ISIS_LEVELS
];
93 struct thread
*t_send_psnp
[ISIS_LEVELS
];
94 struct isis_tx_queue
*tx_queue
;
95 struct isis_circuit_arg
96 level_arg
[ISIS_LEVELS
]; /* used as argument for threads */
98 /* there is no real point in two streams, just for programming kicker */
99 int (*rx
)(struct isis_circuit
*circuit
, uint8_t *ssnpa
);
100 struct stream
*rcv_stream
; /* Stream for receiving */
101 int (*tx
)(struct isis_circuit
*circuit
, int level
);
102 struct stream
*snd_stream
; /* Stream for sending */
103 int idx
; /* idx in S[RM|SN] flags */
104 #define CIRCUIT_T_UNKNOWN 0
105 #define CIRCUIT_T_BROADCAST 1
106 #define CIRCUIT_T_P2P 2
107 #define CIRCUIT_T_LOOPBACK 3
108 int circ_type
; /* type of the physical interface */
109 int circ_type_config
; /* config type of the physical interface */
111 struct isis_bcast_info bc
;
112 struct isis_p2p_info p2p
;
114 uint8_t priority
[ISIS_LEVELS
]; /* l1/2 IS configured priority */
115 int pad_hellos
; /* add padding to Hello PDUs ? */
116 char ext_domain
; /* externalDomain (boolean) */
117 int lsp_regenerate_pending
[ISIS_LEVELS
];
118 uint64_t lsp_error_counter
;
123 char *tag
; /* area tag */
124 struct isis_passwd passwd
; /* Circuit rx/tx password */
125 int is_type_config
; /* configured circuit is type */
126 int is_type
; /* circuit is type == level of circuit
127 * differentiated from circuit type (media) */
128 uint32_t hello_interval
[ISIS_LEVELS
]; /* hello-interval in seconds */
129 uint16_t hello_multiplier
[ISIS_LEVELS
]; /* hello-multiplier */
130 uint16_t csnp_interval
[ISIS_LEVELS
]; /* csnp-interval in seconds */
131 uint16_t psnp_interval
[ISIS_LEVELS
]; /* psnp-interval in seconds */
132 uint8_t metric
[ISIS_LEVELS
];
133 uint32_t te_metric
[ISIS_LEVELS
];
134 struct isis_ext_subtlvs
*ext
; /* Extended parameters (TE + Adj SID */
135 int ip_router
; /* Route IP ? */
136 int is_passive
; /* Is Passive ? */
137 struct list
*mt_settings
; /* IS-IS MT Settings */
138 struct list
*ip_addrs
; /* our IP addresses */
139 int ipv6_router
; /* Route IPv6 ? */
140 struct list
*ipv6_link
; /* our link local IPv6 addresses */
141 struct list
*ipv6_non_link
; /* our non-link local IPv6 addresses */
142 uint16_t upadjcount
[ISIS_LEVELS
];
143 #define ISIS_CIRCUIT_FLAPPED_AFTER_SPF 0x01
145 bool disable_threeway_adj
;
150 struct ldp_sync_info
*ldp_sync_info
;
151 bool lfa_protection
[ISIS_LEVELS
];
152 bool rlfa_protection
[ISIS_LEVELS
];
153 uint32_t rlfa_max_metric
[ISIS_LEVELS
];
154 struct hash
*lfa_excluded_ifaces
[ISIS_LEVELS
];
155 bool tilfa_protection
[ISIS_LEVELS
];
156 bool tilfa_node_protection
[ISIS_LEVELS
];
157 bool tilfa_link_fallback
[ISIS_LEVELS
];
159 * Counters as in 10589--11.2.5.9
161 uint32_t adj_state_changes
; /* changesInAdjacencyState */
162 uint32_t init_failures
; /* intialisationFailures */
163 uint32_t ctrl_pdus_rxed
; /* controlPDUsReceived */
164 uint32_t ctrl_pdus_txed
; /* controlPDUsSent */
165 uint32_t desig_changes
[ISIS_LEVELS
]; /* lanLxDesignatedIntermediateSystemChanges
167 uint32_t rej_adjacencies
; /* rejectedAdjacencies */
169 * Counters as in ietf-isis@2019-09-09.yang
171 uint32_t id_len_mismatches
; /* id-len-mismatch */
172 uint32_t max_area_addr_mismatches
; /* max-area-addresses-mismatch */
173 uint32_t auth_type_failures
; /*authentication-type-fails */
174 uint32_t auth_failures
; /* authentication-fails */
176 uint32_t snmp_id
; /* Circuit id in snmp */
178 uint32_t snmp_adj_idx_gen
; /* Create unique id for adjacency on creation
180 struct list
*snmp_adj_list
; /* List in id order */
184 DECLARE_QOBJ_TYPE(isis_circuit
);
186 void isis_circuit_init(void);
187 struct isis_circuit
*isis_circuit_new(struct interface
*ifp
, const char *tag
);
188 void isis_circuit_del(struct isis_circuit
*circuit
);
189 struct isis_circuit
*circuit_scan_by_ifp(struct interface
*ifp
);
190 void isis_circuit_configure(struct isis_circuit
*circuit
,
191 struct isis_area
*area
);
192 void isis_circuit_deconfigure(struct isis_circuit
*circuit
,
193 struct isis_area
*area
);
194 void isis_circuit_if_add(struct isis_circuit
*circuit
, struct interface
*ifp
);
195 void isis_circuit_if_del(struct isis_circuit
*circuit
, struct interface
*ifp
);
196 void isis_circuit_if_bind(struct isis_circuit
*circuit
, struct interface
*ifp
);
197 void isis_circuit_if_unbind(struct isis_circuit
*circuit
,
198 struct interface
*ifp
);
199 void isis_circuit_add_addr(struct isis_circuit
*circuit
,
200 struct connected
*conn
);
201 void isis_circuit_del_addr(struct isis_circuit
*circuit
,
202 struct connected
*conn
);
203 void isis_circuit_prepare(struct isis_circuit
*circuit
);
204 int isis_circuit_up(struct isis_circuit
*circuit
);
205 void isis_circuit_down(struct isis_circuit
*);
206 void circuit_update_nlpids(struct isis_circuit
*circuit
);
207 void isis_circuit_print_vty(struct isis_circuit
*circuit
, struct vty
*vty
,
209 void isis_circuit_print_json(struct isis_circuit
*circuit
,
210 struct json_object
*json
, char detail
);
211 size_t isis_circuit_pdu_size(struct isis_circuit
*circuit
);
212 void isis_circuit_stream(struct isis_circuit
*circuit
, struct stream
**stream
);
214 void isis_circuit_af_set(struct isis_circuit
*circuit
, bool ip_router
,
216 ferr_r
isis_circuit_passive_set(struct isis_circuit
*circuit
, bool passive
);
217 void isis_circuit_is_type_set(struct isis_circuit
*circuit
, int is_type
);
218 void isis_circuit_circ_type_set(struct isis_circuit
*circuit
, int circ_type
);
220 ferr_r
isis_circuit_metric_set(struct isis_circuit
*circuit
, int level
,
223 ferr_r
isis_circuit_passwd_unset(struct isis_circuit
*circuit
);
224 ferr_r
isis_circuit_passwd_set(struct isis_circuit
*circuit
,
225 uint8_t passwd_type
, const char *passwd
);
226 ferr_r
isis_circuit_passwd_cleartext_set(struct isis_circuit
*circuit
,
228 ferr_r
isis_circuit_passwd_hmac_md5_set(struct isis_circuit
*circuit
,
231 int isis_circuit_mt_enabled_set(struct isis_circuit
*circuit
, uint16_t mtid
,
235 DECLARE_HOOK(isis_circuit_config_write
,
236 (struct isis_circuit
*circuit
, struct vty
*vty
),
240 DECLARE_HOOK(isis_circuit_add_addr_hook
, (struct isis_circuit
*circuit
),
243 DECLARE_HOOK(isis_circuit_new_hook
, (struct isis_circuit
*circuit
), (circuit
));
244 DECLARE_HOOK(isis_circuit_del_hook
, (struct isis_circuit
*circuit
), (circuit
));
246 #endif /* _ZEBRA_ISIS_CIRCUIT_H */