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      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 (at) 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