1/* $NetBSD: socketops.h,v 1.7 2020/04/22 23:53:27 joerg Exp $ */
2
3/*-
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Mihai Chelaru <kefren@NetBSD.org>
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _SOCKETOPS_H_
33#define _SOCKETOPS_H_
34
35#include "mpls_routes.h"
36#include "ldp_peer.h"
37#include "pdu.h"
38#include "tlv.h"
39
40/* Address families from RFC1700 */
41#define	LDP_AF_INET	1
42#define	LDP_AF_INET6	2
43
44int	set_ttl(int);
45int	create_hello_sockets(void);
46int	create_listening_socket(void);
47void	send_hello(void);
48int	get_message_id(void);
49int	the_big_loop(void);
50void	new_peer_connection(void);
51void	send_initialize(const struct ldp_peer *);
52void	keep_alive(const struct ldp_peer *);
53void	recv_session_pdu(struct ldp_peer *);
54int	send_message(const struct ldp_peer *, const struct ldp_pdu *,
55	const struct tlv *);
56int	send_tlv(const struct ldp_peer *, const struct tlv *);
57int	send_addresses(const struct ldp_peer *);
58
59struct	hello_info {
60	union sockunion transport_address;
61	struct in_addr ldp_id;
62	int keepalive;
63	SLIST_ENTRY(hello_info) infos;
64};
65extern SLIST_HEAD(hello_info_head,hello_info) hello_info_head;
66
67struct	hello_socket {
68	int type, socket;
69	SLIST_ENTRY(hello_socket) listentry;
70};
71
72#endif	/* !_SOCKETOPS_H_ */
73