xref: /netbsd-src/sys/netinet6/udp6_var.h (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
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  */
70 struct	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
103 extern	struct	udp6stat udp6stat;
104 
105 void	udp6_ctlinput(int, const struct sockaddr *, void *);
106 void	udp6_init(void);
107 int	udp6_input(struct mbuf **, int *, int);
108 int	udp6_output(struct in6pcb *, struct mbuf *, struct mbuf *,
109 	struct mbuf *, struct lwp *);
110 int	udp6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
111 int	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