From eb5d44eb8dcf25a1b328e57d1eabb1f89e3bc59b Mon Sep 17 00:00:00 2001 From: jardin Date: Tue, 23 Dec 2003 08:09:43 +0000 Subject: Initial revision --- isisd/isis_circuit.h | 158 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 isisd/isis_circuit.h (limited to 'isisd/isis_circuit.h') diff --git a/isisd/isis_circuit.h b/isisd/isis_circuit.h new file mode 100644 index 00000000..7163c5b9 --- /dev/null +++ b/isisd/isis_circuit.h @@ -0,0 +1,158 @@ +/* + * IS-IS Rout(e)ing protocol - isis_circuit.h + * + * Copyright (C) 2001,2002 Sampo Saaristo + * Tampere University of Technology + * Institute of Communications Engineering + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public Licenseas published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful,but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef ISIS_CIRCUIT_H +#define ISIS_CIRCUIT_H + +#define CIRCUIT_MAX 255 + +struct password { + struct password *next; + int len; + u_char *pass; +}; + +struct metric { + u_char metric_default; + u_char metric_error; + u_char metric_expense; + u_char metric_delay; +}; + +struct isis_bcast_info { + u_char snpa [ETH_ALEN]; /* SNPA of this circuit */ + char run_dr_elect[2]; /* Should we run dr election ? */ + struct thread *t_run_dr[2]; /* DR election thread */ + struct thread *t_send_lan_hello[2]; /* send LAN IIHs in this thread */ + struct list *adjdb[2]; /* adjacency dbs */ + struct list *lan_neighs[2]; /* list of lx neigh snpa */ + char is_dr[2]; /* Are we level x DR ? */ + u_char l1_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-1 DR */ + u_char l2_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-2 DR */ + struct thread *t_refresh_pseudo_lsp[2]; /* refresh pseudo-node LSPs */ + int pad_hellos; /* add padding to Hello PDUs ? */ + u_char priority[2]; /* l1/2 IS Priority */ +}; + +struct isis_p2p_info { + struct isis_adjacency *neighbor; + struct thread *t_send_p2p_hello; /* send P2P IIHs in this thread */ +}; + +struct isis_circuit { + int state; + u_char circuit_id; /* l1/l2 p2p/bcast CircuitID */ + struct isis_area *area; /* back pointer to the area */ + struct interface *interface; /* interface info from z */ + int fd; /* IS-IS l1/2 socket */ + struct nlpids nlpids; + /* + * Threads + */ + struct thread *t_read; + struct thread *t_send_csnp[2]; + struct thread *t_send_psnp[2]; + struct list *lsp_queue; /* LSPs to be txed (both levels) */ + /* there is no real point in two streams, just for programming kicker */ + int (* rx) (struct isis_circuit *circuit, u_char *ssnpa); + struct stream *rcv_stream; /* Stream for receiving */ + int (* tx) (struct isis_circuit *circuit, int level); + struct stream *snd_stream; /* Stream for sending */ + int idx; /* idx in S[RM|SN] flags */ +#define CIRCUIT_T_BROADCAST 0 +#define CIRCUIT_T_P2P 1 +#define CIRCUIT_T_STATIC_IN 2 +#define CIRCUIT_T_STATIC_OUT 3 +#define CIRCUIT_T_DA 4 + int circ_type; /* type of the physical interface */ + union { + struct isis_bcast_info bc; + struct isis_p2p_info p2p; + } u; + char ext_domain; /* externalDomain (boolean) */ + /* + * Configurables + */ + struct isis_passwd passwd; /* Circuit rx/tx password */ + long lsp_interval; + int manual_l2_only; /* manualL2OnlyMode (boolean) */ + int circuit_is_type; /* circuit is type == level of circuit + * diffrenciated from circuit type (media) */ + u_int32_t hello_interval[2]; /* l1HelloInterval in msecs */ + u_int16_t hello_multiplier[2]; /* l1HelloMultiplier */ + u_int16_t csnp_interval[2]; /* level-1 csnp-interval in seconds */ + u_int16_t psnp_interval[2]; /* level-1 psnp-interval in seconds */ + struct metric metrics[2]; /* l1XxxMetric */ + struct password *c_rx_passwds; /* circuitReceivePasswords */ + struct password *c_tc_passwd; /* circuitTransmitPassword */ + int ip_router; /* Route IP ? */ + struct list *ip_addrs; /* our IP addresses */ +#ifdef HAVE_IPV6 + int ipv6_router; /* Route IPv6 ? */ + struct list *ipv6_link; /* our link local IPv6 addresses */ + struct list *ipv6_non_link; /* our non-link local IPv6 addresses */ +#endif /* HAVE_IPV6 */ + /* + * RFC 2973 IS-IS Mesh Groups + */ +#define MESH_INACTIVE 0 +#define MESH_BLOCKED 1 +#define MESH_SET 2 + int mesh_enabled; /* meshGroupEnabled */ + u_int16_t mesh_group; /* meshGroup */ + u_int16_t upadjcount[2]; + /* + * Counters as in 10589--11.2.5.9 + */ + u_int32_t adj_state_changes; /* changesInAdjacencyState */ + u_int32_t init_failures; /* intialisationFailures */ + u_int32_t ctrl_pdus_rxed; /* controlPDUsReceived */ + u_int32_t ctrl_pdus_txed; /* controlPDUsSent */ + u_int32_t desig_changes[2]; /* lanLxDesignatedIntermediateSystemChanges*/ + u_int32_t rej_adjacencies; /* rejectedAdjacencies */ +}; + + +void isis_circuit_init (void); +struct isis_circuit *isis_circuit_new (void); +struct isis_circuit *circuit_lookup_by_ifp (struct interface *ifp, + struct list *list); +struct isis_circuit *circuit_scan_by_ifp (struct interface *ifp); +void isis_circuit_del (struct isis_circuit *circuit); +void isis_circuit_configure (struct isis_circuit *circuit, + struct isis_area *area); +void isis_circuit_up (struct isis_circuit *circuit); +void isis_circuit_deconfigure (struct isis_circuit *circuit, + struct isis_area *area); + +int isis_circuit_destroy (struct isis_circuit *circuit); +void isis_circuit_if_add (struct isis_circuit *circuit, + struct interface *ifp); +void isis_circuit_if_del (struct isis_circuit *circuit); +void circuit_update_nlpids (struct isis_circuit *circuit); +void isis_circuit_update_params (struct isis_circuit *circuit, + struct interface *ifp); +void isis_circuit_add_addr (struct isis_circuit *circuit, + struct connected *conn); +void isis_circuit_del_addr (struct isis_circuit *circuit, + struct connected *conn); +#endif /* _ZEBRA_ISIS_CIRCUIT_H */ -- cgit v1.2.1