xref: /minix/sys/netinet6/udp6_var.h (revision 03de4d97)
1 /*	$NetBSD: udp6_var.h,v 1.28 2015/05/02 17:18:03 rtr 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 
71 #define	UDP6_STAT_IPACKETS	0	/* total input packets */
72 #define	UDP6_STAT_HDROPS	1	/* packet shorter than header */
73 #define	UDP6_STAT_BADSUM	2	/* checksum error */
74 #define	UDP6_STAT_NOSUM		3	/* no checksum */
75 #define	UDP6_STAT_BADLEN	4	/* data length larger than packet */
76 #define	UDP6_STAT_NOPORT	5	/* no socket on port */
77 #define	UDP6_STAT_NOPORTMCAST	6	/* of above, arrived as multicast */
78 #define	UDP6_STAT_FULLSOCK	7	/* not delivered, input socket full */
79 #define	UDP6_STAT_PCBCACHEMISS	8	/* input packets missing pcb cache */
80 #define	UDP6_STAT_OPACKETS	9	/* total output packets */
81 
82 #define	UDP6_NSTATS		10
83 
84 /*
85  * Names for UDP6 sysctl objects
86  */
87 #define	UDP6CTL_SENDSPACE	1	/* default send buffer */
88 #define	UDP6CTL_RECVSPACE	2	/* default recv buffer */
89 #define	UDP6CTL_LOOPBACKCKSUM	3	/* do UDP checksum on loopback? */
90 #define	UDP6CTL_STATS		4	/* udp6 statistics */
91 #define	UDP6CTL_MAXID		5
92 
93 #define UDP6CTL_NAMES { \
94 	{ 0, 0 }, \
95 	{ "sendspace", CTLTYPE_INT }, \
96 	{ "recvspace", CTLTYPE_INT }, \
97 	{ "do_loopback_cksum", CTLTYPE_INT }, \
98 	{ "stats", CTLTYPE_STRUCT }, \
99 }
100 
101 #ifdef _KERNEL
102 
103 extern const struct pr_usrreqs udp6_usrreqs;
104 
105 void	*udp6_ctlinput(int, const struct sockaddr *, void *);
106 int	udp6_ctloutput(int, struct socket *, struct sockopt *);
107 void	udp6_init(void);
108 int	udp6_input(struct mbuf **, int *, int);
109 int	udp6_output(struct in6pcb *, struct mbuf *, struct sockaddr_in6 *,
110     struct mbuf *, struct lwp *);
111 int	udp6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
112 int	udp6_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
113     struct mbuf *, struct lwp *);
114 int	udp6_realinput(int, struct sockaddr_in6 *, struct sockaddr_in6 *,
115     struct mbuf *, int);
116 int	udp6_input_checksum(struct mbuf *, const struct udphdr *, int, int);
117 
118 void	udp6_statinc(u_int);
119 #endif /* _KERNEL */
120 
121 #endif /* !_NETINET6_UDP6_VAR_H_ */
122