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eb5d44eb | 1 | /* |
2 | * IS-IS Rout(e)ing protocol - isis_circuit.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. | |
896014f4 DL |
17 | * |
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 | |
eb5d44eb | 21 | */ |
22 | ||
23 | #ifndef ISIS_CIRCUIT_H | |
24 | #define ISIS_CIRCUIT_H | |
25 | ||
91283e76 | 26 | #include "vty.h" |
65f9a9a8 | 27 | #include "if.h" |
676a4ea3 | 28 | #include "qobj.h" |
65f9a9a8 DL |
29 | |
30 | #include "isis_constants.h" | |
31 | #include "isis_common.h" | |
91283e76 | 32 | |
eb5d44eb | 33 | #define CIRCUIT_MAX 255 |
34 | ||
f390d2c7 | 35 | struct password |
36 | { | |
eb5d44eb | 37 | struct password *next; |
f390d2c7 | 38 | int len; |
39 | u_char *pass; | |
eb5d44eb | 40 | }; |
41 | ||
f390d2c7 | 42 | struct metric |
43 | { | |
eb5d44eb | 44 | u_char metric_default; |
45 | u_char metric_error; | |
46 | u_char metric_expense; | |
47 | u_char metric_delay; | |
48 | }; | |
49 | ||
f390d2c7 | 50 | struct isis_bcast_info |
51 | { | |
52 | u_char snpa[ETH_ALEN]; /* SNPA of this circuit */ | |
53 | char run_dr_elect[2]; /* Should we run dr election ? */ | |
54 | struct thread *t_run_dr[2]; /* DR election thread */ | |
55 | struct thread *t_send_lan_hello[2]; /* send LAN IIHs in this thread */ | |
56 | struct list *adjdb[2]; /* adjacency dbs */ | |
57 | struct list *lan_neighs[2]; /* list of lx neigh snpa */ | |
58 | char is_dr[2]; /* Are we level x DR ? */ | |
59 | u_char l1_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-1 DR */ | |
60 | u_char l2_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-2 DR */ | |
61 | struct thread *t_refresh_pseudo_lsp[2]; /* refresh pseudo-node LSPs */ | |
eb5d44eb | 62 | }; |
63 | ||
f390d2c7 | 64 | struct isis_p2p_info |
65 | { | |
66 | struct isis_adjacency *neighbor; | |
67 | struct thread *t_send_p2p_hello; /* send P2P IIHs in this thread */ | |
eb5d44eb | 68 | }; |
69 | ||
f390d2c7 | 70 | struct isis_circuit |
71 | { | |
eb5d44eb | 72 | int state; |
f390d2c7 | 73 | u_char circuit_id; /* l1/l2 p2p/bcast CircuitID */ |
74 | struct isis_area *area; /* back pointer to the area */ | |
75 | struct interface *interface; /* interface info from z */ | |
76 | int fd; /* IS-IS l1/2 socket */ | |
238497fc | 77 | int sap_length; /* SAP length for DLPI */ |
f390d2c7 | 78 | struct nlpids nlpids; |
eb5d44eb | 79 | /* |
80 | * Threads | |
81 | */ | |
82 | struct thread *t_read; | |
83 | struct thread *t_send_csnp[2]; | |
84 | struct thread *t_send_psnp[2]; | |
f390d2c7 | 85 | struct list *lsp_queue; /* LSPs to be txed (both levels) */ |
3f045a08 JB |
86 | time_t lsp_queue_last_cleared;/* timestamp used to enforce transmit interval; |
87 | * for scalability, use one timestamp per | |
88 | * circuit, instead of one per lsp per circuit | |
89 | */ | |
eb5d44eb | 90 | /* there is no real point in two streams, just for programming kicker */ |
f390d2c7 | 91 | int (*rx) (struct isis_circuit * circuit, u_char * ssnpa); |
92 | struct stream *rcv_stream; /* Stream for receiving */ | |
93 | int (*tx) (struct isis_circuit * circuit, int level); | |
94 | struct stream *snd_stream; /* Stream for sending */ | |
95 | int idx; /* idx in S[RM|SN] flags */ | |
3f045a08 JB |
96 | #define CIRCUIT_T_UNKNOWN 0 |
97 | #define CIRCUIT_T_BROADCAST 1 | |
98 | #define CIRCUIT_T_P2P 2 | |
99 | #define CIRCUIT_T_LOOPBACK 3 | |
f390d2c7 | 100 | int circ_type; /* type of the physical interface */ |
3f045a08 | 101 | int circ_type_config; /* config type of the physical interface */ |
f390d2c7 | 102 | union |
103 | { | |
eb5d44eb | 104 | struct isis_bcast_info bc; |
105 | struct isis_p2p_info p2p; | |
106 | } u; | |
3f045a08 JB |
107 | u_char priority[2]; /* l1/2 IS configured priority */ |
108 | int pad_hellos; /* add padding to Hello PDUs ? */ | |
f390d2c7 | 109 | char ext_domain; /* externalDomain (boolean) */ |
3f045a08 | 110 | int lsp_regenerate_pending[ISIS_LEVELS]; |
eb5d44eb | 111 | /* |
112 | * Configurables | |
113 | */ | |
f390d2c7 | 114 | struct isis_passwd passwd; /* Circuit rx/tx password */ |
3f045a08 | 115 | int is_type; /* circuit is type == level of circuit |
f8c06e2c | 116 | * differentiated from circuit type (media) */ |
f390d2c7 | 117 | u_int32_t hello_interval[2]; /* l1HelloInterval in msecs */ |
118 | u_int16_t hello_multiplier[2]; /* l1HelloMultiplier */ | |
119 | u_int16_t csnp_interval[2]; /* level-1 csnp-interval in seconds */ | |
120 | u_int16_t psnp_interval[2]; /* level-1 psnp-interval in seconds */ | |
47a928fb | 121 | u_int8_t metric[2]; |
f21fb272 | 122 | u_int32_t te_metric[2]; |
f8c06e2c | 123 | struct mpls_te_circuit *mtc; /* Support for MPLS-TE parameters - see isis_te.[c,h] */ |
f390d2c7 | 124 | int ip_router; /* Route IP ? */ |
3f045a08 | 125 | int is_passive; /* Is Passive ? */ |
064f4896 | 126 | struct list *mt_settings; /* IS-IS MT Settings */ |
f390d2c7 | 127 | struct list *ip_addrs; /* our IP addresses */ |
f390d2c7 | 128 | int ipv6_router; /* Route IPv6 ? */ |
129 | struct list *ipv6_link; /* our link local IPv6 addresses */ | |
130 | struct list *ipv6_non_link; /* our non-link local IPv6 addresses */ | |
eb5d44eb | 131 | u_int16_t upadjcount[2]; |
3f045a08 JB |
132 | #define ISIS_CIRCUIT_FLAPPED_AFTER_SPF 0x01 |
133 | u_char flags; | |
eb5d44eb | 134 | /* |
135 | * Counters as in 10589--11.2.5.9 | |
136 | */ | |
f390d2c7 | 137 | u_int32_t adj_state_changes; /* changesInAdjacencyState */ |
138 | u_int32_t init_failures; /* intialisationFailures */ | |
139 | u_int32_t ctrl_pdus_rxed; /* controlPDUsReceived */ | |
140 | u_int32_t ctrl_pdus_txed; /* controlPDUsSent */ | |
141 | u_int32_t desig_changes[2]; /* lanLxDesignatedIntermediateSystemChanges */ | |
142 | u_int32_t rej_adjacencies; /* rejectedAdjacencies */ | |
676a4ea3 DL |
143 | |
144 | QOBJ_FIELDS | |
eb5d44eb | 145 | }; |
676a4ea3 | 146 | DECLARE_QOBJ_TYPE(isis_circuit) |
eb5d44eb | 147 | |
f390d2c7 | 148 | void isis_circuit_init (void); |
149 | struct isis_circuit *isis_circuit_new (void); | |
3f045a08 | 150 | void isis_circuit_del (struct isis_circuit *circuit); |
f390d2c7 | 151 | struct isis_circuit *circuit_lookup_by_ifp (struct interface *ifp, |
152 | struct list *list); | |
153 | struct isis_circuit *circuit_scan_by_ifp (struct interface *ifp); | |
f390d2c7 | 154 | void isis_circuit_configure (struct isis_circuit *circuit, |
155 | struct isis_area *area); | |
f390d2c7 | 156 | void isis_circuit_deconfigure (struct isis_circuit *circuit, |
157 | struct isis_area *area); | |
f390d2c7 | 158 | void isis_circuit_if_add (struct isis_circuit *circuit, |
159 | struct interface *ifp); | |
3f045a08 JB |
160 | void isis_circuit_if_del (struct isis_circuit *circuit, |
161 | struct interface *ifp); | |
162 | void isis_circuit_if_bind (struct isis_circuit *circuit, | |
163 | struct interface *ifp); | |
164 | void isis_circuit_if_unbind (struct isis_circuit *circuit, | |
165 | struct interface *ifp); | |
f390d2c7 | 166 | void isis_circuit_add_addr (struct isis_circuit *circuit, |
167 | struct connected *conn); | |
168 | void isis_circuit_del_addr (struct isis_circuit *circuit, | |
169 | struct connected *conn); | |
5904f19f | 170 | void isis_circuit_prepare (struct isis_circuit *circuit); |
3f045a08 JB |
171 | int isis_circuit_up (struct isis_circuit *circuit); |
172 | void isis_circuit_down (struct isis_circuit *); | |
173 | void circuit_update_nlpids (struct isis_circuit *circuit); | |
174 | void isis_circuit_print_vty (struct isis_circuit *circuit, struct vty *vty, | |
175 | char detail); | |
b20ccb3a CF |
176 | size_t isis_circuit_pdu_size(struct isis_circuit *circuit); |
177 | void isis_circuit_stream(struct isis_circuit *circuit, struct stream **stream); | |
3f045a08 | 178 | |
65f9a9a8 DL |
179 | struct isis_circuit *isis_circuit_create (struct isis_area *area, struct interface *ifp); |
180 | void isis_circuit_af_set (struct isis_circuit *circuit, bool ip_router, bool ipv6_router); | |
181 | int isis_circuit_passive_set (struct isis_circuit *circuit, bool passive); | |
182 | void isis_circuit_is_type_set (struct isis_circuit *circuit, int is_type); | |
183 | int isis_circuit_circ_type_set (struct isis_circuit *circuit, int circ_type); | |
184 | ||
185 | int isis_circuit_metric_set (struct isis_circuit *circuit, int level, int metric); | |
186 | ||
50c7d14a CF |
187 | int isis_circuit_passwd_unset (struct isis_circuit *circuit); |
188 | int isis_circuit_passwd_cleartext_set (struct isis_circuit *circuit, const char *passwd); | |
189 | int isis_circuit_passwd_hmac_md5_set (struct isis_circuit *circuit, const char *passwd); | |
190 | ||
064f4896 CF |
191 | int isis_circuit_mt_enabled_set (struct isis_circuit *circuit, uint16_t mtid, bool enabled); |
192 | ||
eb5d44eb | 193 | #endif /* _ZEBRA_ISIS_CIRCUIT_H */ |