udp6_var.h revision 1.21 
1/*	$NetBSD: udp6_var.h,v 1.21 2007/02/17 22:34:15 dyoung Exp $	*/
2/*	$KAME: udp6_var.h,v 1.11 2000/06/05 00:14:31 itojun Exp $	*/
3
4/*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 * Copyright (c) 1982, 1986, 1989, 1993
35 *	The Regents of the University of California.  All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 *    notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 *    notice, this list of conditions and the following disclaimer in the
44 *    documentation and/or other materials provided with the distribution.
45 * 3. Neither the name of the University nor the names of its contributors
46 *    may be used to endorse or promote products derived from this software
47 *    without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 *	@(#)udp_var.h	8.1 (Berkeley) 6/10/93
62 */
63
64#ifndef _NETINET6_UDP6_VAR_H_
65#define _NETINET6_UDP6_VAR_H_
66
67/*
68 * UDP Kernel structures and variables.
69 */
70struct	udp6stat {
71				/* input statistics: */
72	u_quad_t udp6s_ipackets;	/* total input packets */
73	u_quad_t udp6s_hdrops;		/* packet shorter than header */
74	u_quad_t udp6s_badsum;		/* checksum error */
75	u_quad_t udp6s_nosum;		/* no checksum */
76	u_quad_t udp6s_badlen;		/* data length larger than packet */
77	u_quad_t udp6s_noport;		/* no socket on port */
78	u_quad_t udp6s_noportmcast;	/* of above, arrived as broadcast */
79	u_quad_t udp6s_fullsock;	/* not delivered, input socket full */
80	u_quad_t udp6ps_pcbcachemiss;	/* input packets missing pcb cache */
81				/* output statistics: */
82	u_quad_t udp6s_opackets;	/* total output packets */
83};
84
85/*
86 * Names for UDP6 sysctl objects
87 */
88#define UDP6CTL_SENDSPACE	1	/* default send buffer */
89#define UDP6CTL_RECVSPACE	2	/* default recv buffer */
90#define	UDP6CTL_LOOPBACKCKSUM	3	/* do UDP checksum on loopback? */
91#define UDP6CTL_STATS		4	/* udp6 statistics */
92#define UDP6CTL_MAXID		5
93
94#define UDP6CTL_NAMES { \
95	{ 0, 0 }, \
96	{ "sendspace", CTLTYPE_INT }, \
97	{ "recvspace", CTLTYPE_INT }, \
98	{ "do_loopback_cksum", CTLTYPE_INT }, \
99	{ "stats", CTLTYPE_STRUCT }, \
100}
101
102#ifdef _KERNEL
103extern	struct	udp6stat udp6stat;
104
105void	udp6_ctlinput(int, const struct sockaddr *, void *);
106void	udp6_init(void);
107int	udp6_input(struct mbuf **, int *, int);
108int	udp6_output(struct in6pcb *, struct mbuf *, struct mbuf *,
109	struct mbuf *, struct lwp *);
110int	udp6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
111int	udp6_usrreq(struct socket *,
112			 int, struct mbuf *, struct mbuf *, struct mbuf *,
113			 struct lwp *);
114#endif /* _KERNEL */
115
116#endif /* !_NETINET6_UDP6_VAR_H_ */
117