1 /* $NetBSD: udp6_var.h,v 1.31 2022/10/28 05:18:39 ozaki-r 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
92 #ifdef _KERNEL
93
94 extern const struct pr_usrreqs udp6_usrreqs;
95
96 void *udp6_ctlinput(int, const struct sockaddr *, void *);
97 int udp6_ctloutput(int, struct socket *, struct sockopt *);
98 void udp6_init(void);
99 int udp6_input(struct mbuf **, int *, int);
100 int udp6_output(struct inpcb *, struct mbuf *, struct sockaddr_in6 *,
101 struct mbuf *, struct lwp *);
102 int udp6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
103 int udp6_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
104 struct mbuf *, struct lwp *);
105 int udp6_realinput(int, struct sockaddr_in6 *, struct sockaddr_in6 *,
106 struct mbuf **, int);
107 int udp6_input_checksum(struct mbuf *, const struct udphdr *, int, int);
108
109 void udp6_statinc(u_int);
110 #endif /* _KERNEL */
111
112 #endif /* !_NETINET6_UDP6_VAR_H_ */
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