xref: /netbsd-src/usr.sbin/ldpd/socketops.h (revision 2d8c8469e2f80b8e1cf2954618770d28e3700001)
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 
44 int	set_ttl(int);
45 int	create_hello_sockets(void);
46 int	create_listening_socket(void);
47 void	send_hello(void);
48 int	get_message_id(void);
49 int	the_big_loop(void);
50 void	new_peer_connection(void);
51 void	send_initialize(const struct ldp_peer *);
52 void	keep_alive(const struct ldp_peer *);
53 void	recv_session_pdu(struct ldp_peer *);
54 int	send_message(const struct ldp_peer *, const struct ldp_pdu *,
55 	const struct tlv *);
56 int	send_tlv(const struct ldp_peer *, const struct tlv *);
57 int	send_addresses(const struct ldp_peer *);
58 
59 struct	hello_info {
60 	union sockunion transport_address;
61 	struct in_addr ldp_id;
62 	int keepalive;
63 	SLIST_ENTRY(hello_info) infos;
64 };
65 extern SLIST_HEAD(hello_info_head,hello_info) hello_info_head;
66 
67 struct	hello_socket {
68 	int type, socket;
69 	SLIST_ENTRY(hello_socket) listentry;
70 };
71 
72 #endif	/* !_SOCKETOPS_H_ */
73