Annotation of embedaddon/quagga/isisd/isis_circuit.h, revision 1.1
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: int pad_hellos; /* add padding to Hello PDUs ? */
! 56: u_char priority[2]; /* l1/2 IS Priority */
! 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) */
! 81: /* there is no real point in two streams, just for programming kicker */
! 82: int (*rx) (struct isis_circuit * circuit, u_char * ssnpa);
! 83: struct stream *rcv_stream; /* Stream for receiving */
! 84: int (*tx) (struct isis_circuit * circuit, int level);
! 85: struct stream *snd_stream; /* Stream for sending */
! 86: int idx; /* idx in S[RM|SN] flags */
! 87: #define CIRCUIT_T_BROADCAST 0
! 88: #define CIRCUIT_T_P2P 1
! 89: #define CIRCUIT_T_STATIC_IN 2
! 90: #define CIRCUIT_T_STATIC_OUT 3
! 91: #define CIRCUIT_T_DA 4
! 92: int circ_type; /* type of the physical interface */
! 93: union
! 94: {
! 95: struct isis_bcast_info bc;
! 96: struct isis_p2p_info p2p;
! 97: } u;
! 98: char ext_domain; /* externalDomain (boolean) */
! 99: /*
! 100: * Configurables
! 101: */
! 102: struct isis_passwd passwd; /* Circuit rx/tx password */
! 103: long lsp_interval;
! 104: int manual_l2_only; /* manualL2OnlyMode (boolean) */
! 105: int circuit_is_type; /* circuit is type == level of circuit
! 106: * diffrenciated from circuit type (media) */
! 107: u_int32_t hello_interval[2]; /* l1HelloInterval in msecs */
! 108: u_int16_t hello_multiplier[2]; /* l1HelloMultiplier */
! 109: u_int16_t csnp_interval[2]; /* level-1 csnp-interval in seconds */
! 110: u_int16_t psnp_interval[2]; /* level-1 psnp-interval in seconds */
! 111: struct metric metrics[2]; /* l1XxxMetric */
! 112: u_int32_t te_metric[2];
! 113: struct password *c_rx_passwds; /* circuitReceivePasswords */
! 114: struct password *c_tc_passwd; /* circuitTransmitPassword */
! 115: int ip_router; /* Route IP ? */
! 116: struct list *ip_addrs; /* our IP addresses */
! 117: #ifdef HAVE_IPV6
! 118: int ipv6_router; /* Route IPv6 ? */
! 119: struct list *ipv6_link; /* our link local IPv6 addresses */
! 120: struct list *ipv6_non_link; /* our non-link local IPv6 addresses */
! 121: #endif /* HAVE_IPV6 */
! 122: /*
! 123: * RFC 2973 IS-IS Mesh Groups
! 124: */
! 125: #define MESH_INACTIVE 0
! 126: #define MESH_BLOCKED 1
! 127: #define MESH_SET 2
! 128: int mesh_enabled; /* meshGroupEnabled */
! 129: u_int16_t mesh_group; /* meshGroup */
! 130: u_int16_t upadjcount[2];
! 131: /*
! 132: * Counters as in 10589--11.2.5.9
! 133: */
! 134: u_int32_t adj_state_changes; /* changesInAdjacencyState */
! 135: u_int32_t init_failures; /* intialisationFailures */
! 136: u_int32_t ctrl_pdus_rxed; /* controlPDUsReceived */
! 137: u_int32_t ctrl_pdus_txed; /* controlPDUsSent */
! 138: u_int32_t desig_changes[2]; /* lanLxDesignatedIntermediateSystemChanges */
! 139: u_int32_t rej_adjacencies; /* rejectedAdjacencies */
! 140: };
! 141:
! 142: void isis_circuit_init (void);
! 143: struct isis_circuit *isis_circuit_new (void);
! 144: struct isis_circuit *circuit_lookup_by_ifp (struct interface *ifp,
! 145: struct list *list);
! 146: struct isis_circuit *circuit_scan_by_ifp (struct interface *ifp);
! 147: void isis_circuit_del (struct isis_circuit *circuit);
! 148: void isis_circuit_configure (struct isis_circuit *circuit,
! 149: struct isis_area *area);
! 150: void isis_circuit_up (struct isis_circuit *circuit);
! 151: void isis_circuit_deconfigure (struct isis_circuit *circuit,
! 152: struct isis_area *area);
! 153:
! 154: int isis_circuit_destroy (struct isis_circuit *circuit);
! 155: void isis_circuit_if_add (struct isis_circuit *circuit,
! 156: struct interface *ifp);
! 157: void isis_circuit_if_del (struct isis_circuit *circuit);
! 158: void circuit_update_nlpids (struct isis_circuit *circuit);
! 159: void isis_circuit_update_params (struct isis_circuit *circuit,
! 160: struct interface *ifp);
! 161: void isis_circuit_add_addr (struct isis_circuit *circuit,
! 162: struct connected *conn);
! 163: void isis_circuit_del_addr (struct isis_circuit *circuit,
! 164: struct connected *conn);
! 165: #endif /* _ZEBRA_ISIS_CIRCUIT_H */
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