Annotation of embedaddon/quagga/isisd/isis_circuit.h, revision 1.1.1.2
1.1 misho 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.
17:
18: * You should have received a copy of the GNU General Public License along
19: * with this program; if not, write to the Free Software Foundation, Inc.,
20: * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21: */
22:
23: #ifndef ISIS_CIRCUIT_H
24: #define ISIS_CIRCUIT_H
25:
26: #define CIRCUIT_MAX 255
27:
28: struct password
29: {
30: struct password *next;
31: int len;
32: u_char *pass;
33: };
34:
35: struct metric
36: {
37: u_char metric_default;
38: u_char metric_error;
39: u_char metric_expense;
40: u_char metric_delay;
41: };
42:
43: struct isis_bcast_info
44: {
45: u_char snpa[ETH_ALEN]; /* SNPA of this circuit */
46: char run_dr_elect[2]; /* Should we run dr election ? */
47: struct thread *t_run_dr[2]; /* DR election thread */
48: struct thread *t_send_lan_hello[2]; /* send LAN IIHs in this thread */
49: struct list *adjdb[2]; /* adjacency dbs */
50: struct list *lan_neighs[2]; /* list of lx neigh snpa */
51: char is_dr[2]; /* Are we level x DR ? */
52: u_char l1_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-1 DR */
53: u_char l2_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-2 DR */
54: struct thread *t_refresh_pseudo_lsp[2]; /* refresh pseudo-node LSPs */
55: };
56:
57: struct isis_p2p_info
58: {
59: struct isis_adjacency *neighbor;
60: struct thread *t_send_p2p_hello; /* send P2P IIHs in this thread */
61: };
62:
63: struct isis_circuit
64: {
65: int state;
66: u_char circuit_id; /* l1/l2 p2p/bcast CircuitID */
67: struct isis_area *area; /* back pointer to the area */
68: struct interface *interface; /* interface info from z */
69: int fd; /* IS-IS l1/2 socket */
70: int sap_length; /* SAP length for DLPI */
71: struct nlpids nlpids;
72: /*
73: * Threads
74: */
75: struct thread *t_read;
76: struct thread *t_send_csnp[2];
77: struct thread *t_send_psnp[2];
78: struct list *lsp_queue; /* LSPs to be txed (both levels) */
1.1.1.2 ! misho 79: time_t lsp_queue_last_cleared;/* timestamp used to enforce transmit interval;
! 80: * for scalability, use one timestamp per
! 81: * circuit, instead of one per lsp per circuit
! 82: */
1.1 misho 83: /* there is no real point in two streams, just for programming kicker */
84: int (*rx) (struct isis_circuit * circuit, u_char * ssnpa);
85: struct stream *rcv_stream; /* Stream for receiving */
86: int (*tx) (struct isis_circuit * circuit, int level);
87: struct stream *snd_stream; /* Stream for sending */
88: int idx; /* idx in S[RM|SN] flags */
1.1.1.2 ! misho 89: #define CIRCUIT_T_UNKNOWN 0
! 90: #define CIRCUIT_T_BROADCAST 1
! 91: #define CIRCUIT_T_P2P 2
! 92: #define CIRCUIT_T_LOOPBACK 3
1.1 misho 93: int circ_type; /* type of the physical interface */
1.1.1.2 ! misho 94: int circ_type_config; /* config type of the physical interface */
1.1 misho 95: union
96: {
97: struct isis_bcast_info bc;
98: struct isis_p2p_info p2p;
99: } u;
1.1.1.2 ! misho 100: u_char priority[2]; /* l1/2 IS configured priority */
! 101: int pad_hellos; /* add padding to Hello PDUs ? */
1.1 misho 102: char ext_domain; /* externalDomain (boolean) */
1.1.1.2 ! misho 103: int lsp_regenerate_pending[ISIS_LEVELS];
1.1 misho 104: /*
105: * Configurables
106: */
107: struct isis_passwd passwd; /* Circuit rx/tx password */
1.1.1.2 ! misho 108: int is_type; /* circuit is type == level of circuit
1.1 misho 109: * diffrenciated from circuit type (media) */
110: u_int32_t hello_interval[2]; /* l1HelloInterval in msecs */
111: u_int16_t hello_multiplier[2]; /* l1HelloMultiplier */
112: u_int16_t csnp_interval[2]; /* level-1 csnp-interval in seconds */
113: u_int16_t psnp_interval[2]; /* level-1 psnp-interval in seconds */
114: struct metric metrics[2]; /* l1XxxMetric */
115: u_int32_t te_metric[2];
116: int ip_router; /* Route IP ? */
1.1.1.2 ! misho 117: int is_passive; /* Is Passive ? */
1.1 misho 118: struct list *ip_addrs; /* our IP addresses */
119: #ifdef HAVE_IPV6
120: int ipv6_router; /* Route IPv6 ? */
121: struct list *ipv6_link; /* our link local IPv6 addresses */
122: struct list *ipv6_non_link; /* our non-link local IPv6 addresses */
123: #endif /* HAVE_IPV6 */
124: u_int16_t upadjcount[2];
1.1.1.2 ! misho 125: #define ISIS_CIRCUIT_FLAPPED_AFTER_SPF 0x01
! 126: u_char flags;
1.1 misho 127: /*
128: * Counters as in 10589--11.2.5.9
129: */
130: u_int32_t adj_state_changes; /* changesInAdjacencyState */
131: u_int32_t init_failures; /* intialisationFailures */
132: u_int32_t ctrl_pdus_rxed; /* controlPDUsReceived */
133: u_int32_t ctrl_pdus_txed; /* controlPDUsSent */
134: u_int32_t desig_changes[2]; /* lanLxDesignatedIntermediateSystemChanges */
135: u_int32_t rej_adjacencies; /* rejectedAdjacencies */
136: };
137:
138: void isis_circuit_init (void);
139: struct isis_circuit *isis_circuit_new (void);
1.1.1.2 ! misho 140: void isis_circuit_del (struct isis_circuit *circuit);
1.1 misho 141: struct isis_circuit *circuit_lookup_by_ifp (struct interface *ifp,
142: struct list *list);
143: struct isis_circuit *circuit_scan_by_ifp (struct interface *ifp);
144: void isis_circuit_configure (struct isis_circuit *circuit,
145: struct isis_area *area);
146: void isis_circuit_deconfigure (struct isis_circuit *circuit,
147: struct isis_area *area);
148: void isis_circuit_if_add (struct isis_circuit *circuit,
149: struct interface *ifp);
1.1.1.2 ! misho 150: void isis_circuit_if_del (struct isis_circuit *circuit,
! 151: struct interface *ifp);
! 152: void isis_circuit_if_bind (struct isis_circuit *circuit,
! 153: struct interface *ifp);
! 154: void isis_circuit_if_unbind (struct isis_circuit *circuit,
! 155: struct interface *ifp);
1.1 misho 156: void isis_circuit_add_addr (struct isis_circuit *circuit,
157: struct connected *conn);
158: void isis_circuit_del_addr (struct isis_circuit *circuit,
159: struct connected *conn);
1.1.1.2 ! misho 160: int isis_circuit_up (struct isis_circuit *circuit);
! 161: void isis_circuit_down (struct isis_circuit *);
! 162: void circuit_update_nlpids (struct isis_circuit *circuit);
! 163: void isis_circuit_print_vty (struct isis_circuit *circuit, struct vty *vty,
! 164: char detail);
! 165:
1.1 misho 166: #endif /* _ZEBRA_ISIS_CIRCUIT_H */
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