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d7c0a89a3a
The following types are nonstandard: - u_char - u_short - u_int - u_long - u_int8_t - u_int16_t - u_int32_t Replace them with the C99 standard types: - uint8_t - unsigned short - unsigned int - unsigned long - uint8_t - uint16_t - uint32_t Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
118 lines
3.9 KiB
C
118 lines
3.9 KiB
C
/*
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* OSPF Neighbor functions.
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* Copyright (C) 1999, 2000 Toshiaki Takada
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2, or (at your
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* option) any later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _ZEBRA_OSPF_NEIGHBOR_H
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#define _ZEBRA_OSPF_NEIGHBOR_H
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#include <ospfd/ospf_packet.h>
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/* Neighbor Data Structure */
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struct ospf_neighbor {
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/* This neighbor's parent ospf interface. */
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struct ospf_interface *oi;
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/* OSPF neighbor Information */
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uint8_t state; /* NSM status. */
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uint8_t dd_flags; /* DD bit flags. */
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uint32_t dd_seqnum; /* DD Sequence Number. */
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/* Neighbor Information from Hello. */
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struct prefix address; /* Neighbor Interface Address. */
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struct in_addr src; /* Src address. */
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struct in_addr router_id; /* Router ID. */
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uint8_t options; /* Options. */
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int priority; /* Router Priority. */
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struct in_addr d_router; /* Designated Router. */
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struct in_addr bd_router; /* Backup Designated Router. */
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/* Last sent Database Description packet. */
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struct ospf_packet *last_send;
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/* Timestemp when last Database Description packet was sent */
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struct timeval last_send_ts;
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/* Last received Databse Description packet. */
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struct {
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uint8_t options;
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uint8_t flags;
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uint32_t dd_seqnum;
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} last_recv;
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/* LSA data. */
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struct ospf_lsdb ls_rxmt;
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struct ospf_lsdb db_sum;
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struct ospf_lsdb ls_req;
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struct ospf_lsa *ls_req_last;
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uint32_t crypt_seqnum; /* Cryptographic Sequence Number. */
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/* Timer values. */
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uint32_t v_inactivity;
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uint32_t v_db_desc;
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uint32_t v_ls_req;
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uint32_t v_ls_upd;
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/* Threads. */
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struct thread *t_inactivity;
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struct thread *t_db_desc;
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struct thread *t_ls_req;
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struct thread *t_ls_upd;
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struct thread *t_hello_reply;
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/* NBMA configured neighbour */
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struct ospf_nbr_nbma *nbr_nbma;
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/* Statistics */
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struct timeval ts_last_progress; /* last advance of NSM */
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struct timeval ts_last_regress; /* last regressive NSM change */
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const char *last_regress_str; /* Event which last regressed NSM */
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uint32_t state_change; /* NSM state change counter */
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/* BFD information */
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void *bfd_info;
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};
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/* Macros. */
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#define NBR_IS_DR(n) IPV4_ADDR_SAME (&n->address.u.prefix4, &n->d_router)
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#define NBR_IS_BDR(n) IPV4_ADDR_SAME (&n->address.u.prefix4, &n->bd_router)
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/* Prototypes. */
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extern struct ospf_neighbor *ospf_nbr_new(struct ospf_interface *);
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extern void ospf_nbr_free(struct ospf_neighbor *);
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extern void ospf_nbr_delete(struct ospf_neighbor *);
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extern int ospf_nbr_bidirectional(struct in_addr *, struct in_addr *, int);
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extern void ospf_nbr_self_reset(struct ospf_interface *, struct in_addr);
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extern void ospf_nbr_add_self(struct ospf_interface *, struct in_addr);
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extern int ospf_nbr_count(struct ospf_interface *, int);
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extern int ospf_nbr_count_opaque_capable(struct ospf_interface *);
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extern struct ospf_neighbor *ospf_nbr_get(struct ospf_interface *,
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struct ospf_header *, struct ip *,
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struct prefix *);
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extern struct ospf_neighbor *ospf_nbr_lookup(struct ospf_interface *,
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struct ip *, struct ospf_header *);
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extern struct ospf_neighbor *ospf_nbr_lookup_by_addr(struct route_table *,
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struct in_addr *);
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extern struct ospf_neighbor *ospf_nbr_lookup_by_routerid(struct route_table *,
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struct in_addr *);
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extern void ospf_renegotiate_optional_capabilities(struct ospf *top);
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#endif /* _ZEBRA_OSPF_NEIGHBOR_H */
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