Initial revision
diff --git a/ospfd/ospf_interface.h b/ospfd/ospf_interface.h
new file mode 100644
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--- /dev/null
+++ b/ospfd/ospf_interface.h
@@ -0,0 +1,245 @@
+/*
+ * OSPF Interface functions.
+ * Copyright (C) 1999 Toshiaki Takada
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * GNU Zebra 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 GNU Zebra; see the file COPYING. If not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _ZEBRA_OSPF_INTERFACE_H
+#define _ZEBRA_OSPF_INTERFACE_H
+
+#define OSPF_AUTH_SIMPLE_SIZE 8
+#define OSPF_AUTH_MD5_SIZE 16
+
+#define IF_OSPF_IF_INFO(I) ((struct ospf_if_info *)((I)->info))
+#define IF_DEF_PARAMS(I) (IF_OSPF_IF_INFO (I)->def_params)
+#define IF_OIFS(I) (IF_OSPF_IF_INFO (I)->oifs)
+#define IF_OIFS_PARAMS(I) (IF_OSPF_IF_INFO (I)->params)
+
+#define OSPF_IF_PARAM_CONFIGURED(S, P) ((S) && (S)->P##__config)
+#define OSPF_IF_PARAM(O, P) \
+ (OSPF_IF_PARAM_CONFIGURED ((O)->params, P)?\
+ (O)->params->P:IF_DEF_PARAMS((O)->ifp)->P)
+
+#define DECLARE_IF_PARAM(T, P) T P; u_char P##__config:1
+#define UNSET_IF_PARAM(S, P) ((S)->P##__config) = 0
+#define SET_IF_PARAM(S, P) ((S)->P##__config) = 1
+
+struct ospf_if_params
+{
+ DECLARE_IF_PARAM (u_int32_t, transmit_delay); /* Interface Transmisson Delay */
+ DECLARE_IF_PARAM (u_int32_t, output_cost_cmd);/* Command Interface Output Cost */
+ DECLARE_IF_PARAM (u_int32_t, retransmit_interval); /* Retransmission Interval */
+ DECLARE_IF_PARAM (u_char, passive_interface); /* OSPF Interface is passive */
+ DECLARE_IF_PARAM (u_char, priority); /* OSPF Interface priority */
+ DECLARE_IF_PARAM (u_char, type); /* type of interface */
+#define OSPF_IF_ACTIVE 0
+#define OSPF_IF_PASSIVE 1
+
+ DECLARE_IF_PARAM (u_int32_t, v_hello); /* Hello Interval */
+ DECLARE_IF_PARAM (u_int32_t, v_wait); /* Router Dead Interval */
+
+ /* Authentication data. */
+ u_char auth_simple[OSPF_AUTH_SIMPLE_SIZE + 1]; /* Simple password. */
+ u_char auth_simple__config:1;
+
+ DECLARE_IF_PARAM (list, auth_crypt); /* List of Auth cryptographic data. */
+ DECLARE_IF_PARAM (int, auth_type); /* OSPF authentication type */
+};
+
+struct ospf_if_info
+{
+ struct ospf_if_params *def_params;
+ struct route_table *params;
+ struct route_table *oifs;
+};
+
+struct ospf_interface;
+
+struct ospf_vl_data
+{
+ struct in_addr vl_peer; /* Router-ID of the peer for VLs. */
+ struct in_addr vl_area_id; /* Transit area for this VL. */
+ int format; /* area ID format */
+ struct ospf_interface *vl_oi; /* Interface data structure for the VL. */
+ struct ospf_interface *out_oi; /* The interface to go out. */
+ struct in_addr peer_addr; /* Address used to reach the peer. */
+ u_char flags;
+};
+
+
+#define OSPF_VL_MAX_COUNT 256
+#define OSPF_VL_MTU 1500
+
+#define OSPF_VL_FLAG_APPROVED 0x01
+
+struct crypt_key
+{
+ u_char key_id;
+ u_char auth_key[OSPF_AUTH_MD5_SIZE + 1];
+};
+
+/* OSPF interface structure. */
+struct ospf_interface
+{
+ /* This interface's parent ospf instance. */
+ struct ospf *ospf;
+
+ /* OSPF Area. */
+ struct ospf_area *area;
+
+ /* Interface data from zebra. */
+ struct interface *ifp;
+ struct ospf_vl_data *vl_data; /* Data for Virtual Link */
+
+ /* Packet send buffer. */
+ struct ospf_fifo *obuf; /* Output queue */
+
+ /* OSPF Network Type. */
+ u_char type;
+#define OSPF_IFTYPE_NONE 0
+#define OSPF_IFTYPE_POINTOPOINT 1
+#define OSPF_IFTYPE_BROADCAST 2
+#define OSPF_IFTYPE_NBMA 3
+#define OSPF_IFTYPE_POINTOMULTIPOINT 4
+#define OSPF_IFTYPE_VIRTUALLINK 5
+#define OSPF_IFTYPE_LOOPBACK 6
+#define OSPF_IFTYPE_MAX 7
+
+ /* State of Interface State Machine. */
+ u_char state;
+
+ struct prefix *address; /* Interface prefix */
+ struct connected *connected; /* Pointer to connected */
+
+ /* Configured varables. */
+ struct ospf_if_params *params;
+ u_int32_t crypt_seqnum; /* Cryptographic Sequence Number */
+ u_int32_t output_cost; /* Acutual Interface Output Cost */
+
+ /* Neighbor information. */
+ struct route_table *nbrs; /* OSPF Neighbor List */
+ struct ospf_neighbor *nbr_self; /* Neighbor Self */
+#define DR(I) ((I)->nbr_self->d_router)
+#define BDR(I) ((I)->nbr_self->bd_router)
+#define OPTIONS(I) ((I)->nbr_self->options)
+#define PRIORITY(I) ((I)->nbr_self->priority)
+
+ /* List of configured NBMA neighbor. */
+ list nbr_nbma;
+
+ /* self-originated LSAs. */
+ struct ospf_lsa *network_lsa_self; /* network-LSA. */
+#ifdef HAVE_OPAQUE_LSA
+ list opaque_lsa_self; /* Type-9 Opaque-LSAs */
+#endif /* HAVE_OPAQUE_LSA */
+
+ struct route_table *ls_upd_queue;
+
+ list ls_ack; /* Link State Acknowledgment list. */
+
+ struct
+ {
+ list ls_ack;
+ struct in_addr dst;
+ } ls_ack_direct;
+
+ /* Timer values. */
+ u_int32_t v_ls_ack; /* Delayed Link State Acknowledgment */
+
+ /* Threads. */
+ struct thread *t_hello; /* timer */
+ struct thread *t_wait; /* timer */
+ struct thread *t_ls_ack; /* timer */
+ struct thread *t_ls_ack_direct; /* event */
+ struct thread *t_ls_upd_event; /* event */
+ struct thread *t_network_lsa_self; /* self-originated network-LSA
+ reflesh thread. timer */
+#ifdef HAVE_OPAQUE_LSA
+ struct thread *t_opaque_lsa_self; /* Type-9 Opaque-LSAs */
+#endif /* HAVE_OPAQUE_LSA */
+
+ int on_write_q;
+
+ /* Statistics fields. */
+ u_int32_t hello_in; /* Hello message input count. */
+ u_int32_t hello_out; /* Hello message output count. */
+ u_int32_t db_desc_in; /* database desc. message input count. */
+ u_int32_t db_desc_out; /* database desc. message output count. */
+ u_int32_t ls_req_in; /* LS request message input count. */
+ u_int32_t ls_req_out; /* LS request message output count. */
+ u_int32_t ls_upd_in; /* LS update message input count. */
+ u_int32_t ls_upd_out; /* LS update message output count. */
+ u_int32_t ls_ack_in; /* LS Ack message input count. */
+ u_int32_t ls_ack_out; /* LS Ack message output count. */
+ u_int32_t discarded; /* discarded input count by error. */
+ u_int32_t state_change; /* Number of status change. */
+
+ u_int full_nbrs;
+};
+
+/* Prototypes. */
+char *ospf_if_name (struct ospf_interface *);
+struct ospf_interface *ospf_if_new ();
+void ospf_if_cleanup (struct ospf_interface *);
+void ospf_if_free (struct ospf_interface *);
+int ospf_if_up (struct ospf_interface *);
+int ospf_if_down (struct ospf_interface *);
+
+int ospf_if_is_up (struct ospf_interface *);
+struct ospf_interface *ospf_if_lookup_by_name (char *);
+struct ospf_interface *ospf_if_lookup_by_local_addr (struct interface *, struct in_addr);
+struct ospf_interface *ospf_if_lookup_by_prefix (struct prefix_ipv4 *);
+struct ospf_interface *ospf_if_addr_local (struct in_addr src);
+struct ospf_interface *ospf_if_lookup_recv_interface (struct in_addr src);
+struct ospf_interface *ospf_if_is_configured (struct in_addr *);
+
+struct ospf_if_params *ospf_lookup_if_params (struct interface *, struct in_addr);
+struct ospf_if_params *ospf_get_if_params (struct interface *, struct in_addr);
+void ospf_del_if_params (struct ospf_if_params *);
+void ospf_free_if_params (struct interface *, struct in_addr);
+void ospf_if_update_params (struct interface *, struct in_addr);
+
+int ospf_if_new_hook (struct interface *);
+void ospf_if_init ();
+void ospf_if_stream_set (struct ospf_interface *);
+void ospf_if_stream_unset (struct ospf_interface *);
+void ospf_if_reset_variables (struct ospf_interface *);
+int ospf_if_is_enable (struct ospf_interface *);
+int ospf_if_get_output_cost (struct ospf_interface *);
+void ospf_if_recalculate_output_cost (struct interface *);
+
+struct ospf_interface *ospf_vl_new (struct ospf_vl_data *);
+struct ospf_vl_data *ospf_vl_data_new (struct ospf_area *, struct in_addr);
+struct ospf_vl_data *ospf_vl_lookup (struct ospf_area *, struct in_addr);
+void ospf_vl_data_free (struct ospf_vl_data *);
+void ospf_vl_add (struct ospf_vl_data *);
+void ospf_vl_delete (struct ospf_vl_data *);
+void ospf_vl_up_check (struct ospf_area *, struct in_addr, struct vertex *);
+void ospf_vl_unapprove ();
+void ospf_vl_shut_unapproved ();
+int ospf_full_virtual_nbrs (struct ospf_area *);
+int ospf_vls_in_area (struct ospf_area *);
+
+struct crypt_key *ospf_crypt_key_lookup (list, u_char);
+struct crypt_key *ospf_crypt_key_new ();
+void ospf_crypt_key_add (list, struct crypt_key *);
+int ospf_crypt_key_delete (list, u_char key_id);
+
+
+#endif /* _ZEBRA_OSPF_INTERFACE_H */