Annotation of embedaddon/quagga/isisd/isis_circuit.h, revision 1.1.1.3
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:
1.1.1.3 ! misho 26: #include "vty.h"
! 27:
1.1 misho 28: #define CIRCUIT_MAX 255
29:
30: struct password
31: {
32: struct password *next;
33: int len;
34: u_char *pass;
35: };
36:
37: struct metric
38: {
39: u_char metric_default;
40: u_char metric_error;
41: u_char metric_expense;
42: u_char metric_delay;
43: };
44:
45: struct isis_bcast_info
46: {
47: u_char snpa[ETH_ALEN]; /* SNPA of this circuit */
48: char run_dr_elect[2]; /* Should we run dr election ? */
49: struct thread *t_run_dr[2]; /* DR election thread */
50: struct thread *t_send_lan_hello[2]; /* send LAN IIHs in this thread */
51: struct list *adjdb[2]; /* adjacency dbs */
52: struct list *lan_neighs[2]; /* list of lx neigh snpa */
53: char is_dr[2]; /* Are we level x DR ? */
54: u_char l1_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-1 DR */
55: u_char l2_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-2 DR */
56: struct thread *t_refresh_pseudo_lsp[2]; /* refresh pseudo-node LSPs */
57: };
58:
59: struct isis_p2p_info
60: {
61: struct isis_adjacency *neighbor;
62: struct thread *t_send_p2p_hello; /* send P2P IIHs in this thread */
63: };
64:
65: struct isis_circuit
66: {
67: int state;
68: u_char circuit_id; /* l1/l2 p2p/bcast CircuitID */
69: struct isis_area *area; /* back pointer to the area */
70: struct interface *interface; /* interface info from z */
71: int fd; /* IS-IS l1/2 socket */
72: int sap_length; /* SAP length for DLPI */
73: struct nlpids nlpids;
74: /*
75: * Threads
76: */
77: struct thread *t_read;
78: struct thread *t_send_csnp[2];
79: struct thread *t_send_psnp[2];
80: struct list *lsp_queue; /* LSPs to be txed (both levels) */
1.1.1.2 misho 81: time_t lsp_queue_last_cleared;/* timestamp used to enforce transmit interval;
82: * for scalability, use one timestamp per
83: * circuit, instead of one per lsp per circuit
84: */
1.1 misho 85: /* there is no real point in two streams, just for programming kicker */
86: int (*rx) (struct isis_circuit * circuit, u_char * ssnpa);
87: struct stream *rcv_stream; /* Stream for receiving */
88: int (*tx) (struct isis_circuit * circuit, int level);
89: struct stream *snd_stream; /* Stream for sending */
90: int idx; /* idx in S[RM|SN] flags */
1.1.1.2 misho 91: #define CIRCUIT_T_UNKNOWN 0
92: #define CIRCUIT_T_BROADCAST 1
93: #define CIRCUIT_T_P2P 2
94: #define CIRCUIT_T_LOOPBACK 3
1.1 misho 95: int circ_type; /* type of the physical interface */
1.1.1.2 misho 96: int circ_type_config; /* config type of the physical interface */
1.1 misho 97: union
98: {
99: struct isis_bcast_info bc;
100: struct isis_p2p_info p2p;
101: } u;
1.1.1.2 misho 102: u_char priority[2]; /* l1/2 IS configured priority */
103: int pad_hellos; /* add padding to Hello PDUs ? */
1.1 misho 104: char ext_domain; /* externalDomain (boolean) */
1.1.1.2 misho 105: int lsp_regenerate_pending[ISIS_LEVELS];
1.1 misho 106: /*
107: * Configurables
108: */
109: struct isis_passwd passwd; /* Circuit rx/tx password */
1.1.1.2 misho 110: int is_type; /* circuit is type == level of circuit
1.1 misho 111: * diffrenciated from circuit type (media) */
112: u_int32_t hello_interval[2]; /* l1HelloInterval in msecs */
113: u_int16_t hello_multiplier[2]; /* l1HelloMultiplier */
114: u_int16_t csnp_interval[2]; /* level-1 csnp-interval in seconds */
115: u_int16_t psnp_interval[2]; /* level-1 psnp-interval in seconds */
116: struct metric metrics[2]; /* l1XxxMetric */
117: u_int32_t te_metric[2];
118: int ip_router; /* Route IP ? */
1.1.1.2 misho 119: int is_passive; /* Is Passive ? */
1.1 misho 120: struct list *ip_addrs; /* our IP addresses */
121: #ifdef HAVE_IPV6
122: int ipv6_router; /* Route IPv6 ? */
123: struct list *ipv6_link; /* our link local IPv6 addresses */
124: struct list *ipv6_non_link; /* our non-link local IPv6 addresses */
125: #endif /* HAVE_IPV6 */
126: u_int16_t upadjcount[2];
1.1.1.2 misho 127: #define ISIS_CIRCUIT_FLAPPED_AFTER_SPF 0x01
128: u_char flags;
1.1 misho 129: /*
130: * Counters as in 10589--11.2.5.9
131: */
132: u_int32_t adj_state_changes; /* changesInAdjacencyState */
133: u_int32_t init_failures; /* intialisationFailures */
134: u_int32_t ctrl_pdus_rxed; /* controlPDUsReceived */
135: u_int32_t ctrl_pdus_txed; /* controlPDUsSent */
136: u_int32_t desig_changes[2]; /* lanLxDesignatedIntermediateSystemChanges */
137: u_int32_t rej_adjacencies; /* rejectedAdjacencies */
138: };
139:
140: void isis_circuit_init (void);
141: struct isis_circuit *isis_circuit_new (void);
1.1.1.2 misho 142: void isis_circuit_del (struct isis_circuit *circuit);
1.1 misho 143: struct isis_circuit *circuit_lookup_by_ifp (struct interface *ifp,
144: struct list *list);
145: struct isis_circuit *circuit_scan_by_ifp (struct interface *ifp);
146: void isis_circuit_configure (struct isis_circuit *circuit,
147: struct isis_area *area);
148: void isis_circuit_deconfigure (struct isis_circuit *circuit,
149: struct isis_area *area);
150: void isis_circuit_if_add (struct isis_circuit *circuit,
151: struct interface *ifp);
1.1.1.2 misho 152: void isis_circuit_if_del (struct isis_circuit *circuit,
153: struct interface *ifp);
154: void isis_circuit_if_bind (struct isis_circuit *circuit,
155: struct interface *ifp);
156: void isis_circuit_if_unbind (struct isis_circuit *circuit,
157: struct interface *ifp);
1.1 misho 158: void isis_circuit_add_addr (struct isis_circuit *circuit,
159: struct connected *conn);
160: void isis_circuit_del_addr (struct isis_circuit *circuit,
161: struct connected *conn);
1.1.1.2 misho 162: int isis_circuit_up (struct isis_circuit *circuit);
163: void isis_circuit_down (struct isis_circuit *);
164: void circuit_update_nlpids (struct isis_circuit *circuit);
165: void isis_circuit_print_vty (struct isis_circuit *circuit, struct vty *vty,
166: char detail);
1.1.1.3 ! misho 167: size_t isis_circuit_pdu_size(struct isis_circuit *circuit);
! 168: void isis_circuit_stream(struct isis_circuit *circuit, struct stream **stream);
1.1.1.2 misho 169:
1.1 misho 170: #endif /* _ZEBRA_ISIS_CIRCUIT_H */
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