udp_var.h revision 1.15.12.1 1 /* $NetBSD: udp_var.h,v 1.15.12.1 1999/06/28 06:37:02 itojun Exp $ */
2
3 /*
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 /*
33 * Copyright (c) 1982, 1986, 1989, 1993
34 * The Regents of the University of California. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. All advertising materials mentioning features or use of this software
45 * must display the following acknowledgement:
46 * This product includes software developed by the University of
47 * California, Berkeley and its contributors.
48 * 4. Neither the name of the University nor the names of its contributors
49 * may be used to endorse or promote products derived from this software
50 * without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62 * SUCH DAMAGE.
63 *
64 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
65 */
66
67 #ifndef _NETINET_UDP_VAR_H_
68 #define _NETINET_UDP_VAR_H_
69
70 /*
71 * UDP kernel structures and variables.
72 */
73 struct udpiphdr {
74 struct ipovly ui_i; /* overlaid ip structure */
75 struct udphdr ui_u; /* udp header */
76 };
77 #define ui_x1 ui_i.ih_x1
78 #define ui_pr ui_i.ih_pr
79 #define ui_len ui_i.ih_len
80 #define ui_src ui_i.ih_src
81 #define ui_dst ui_i.ih_dst
82 #define ui_sport ui_u.uh_sport
83 #define ui_dport ui_u.uh_dport
84 #define ui_ulen ui_u.uh_ulen
85 #define ui_sum ui_u.uh_sum
86
87 struct udpstat {
88 /* input statistics: */
89 u_long udps_ipackets; /* total input packets */
90 u_long udps_hdrops; /* packet shorter than header */
91 u_long udps_badsum; /* checksum error */
92 u_long udps_badlen; /* data length larger than packet */
93 u_long udps_noport; /* no socket on port */
94 u_long udps_noportbcast; /* of above, arrived as broadcast */
95 u_long udps_fullsock; /* not delivered, input socket full */
96 u_long udps_pcbhashmiss; /* input packets missing pcb hash */
97 /* output statistics: */
98 u_long udps_opackets; /* total output packets */
99 };
100
101 /*
102 * Names for UDP sysctl objects
103 */
104 #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
105 #define UDPCTL_SENDSPACE 2 /* default send buffer */
106 #define UDPCTL_RECVSPACE 3 /* default recv buffer */
107 #define UDPCTL_MAXID 4
108
109 #define UDPCTL_NAMES { \
110 { 0, 0 }, \
111 { "checksum", CTLTYPE_INT }, \
112 { "sendspace", CTLTYPE_INT }, \
113 { "recvspace", CTLTYPE_INT }, \
114 }
115
116 #ifdef _KERNEL
117 struct inpcbtable udbtable;
118 struct udpstat udpstat;
119
120 void *udp_ctlinput __P((int, struct sockaddr *, void *));
121 void udp_init __P((void));
122 void udp_input __P((struct mbuf *, ...));
123 int udp_output __P((struct mbuf *, ...));
124 int udp_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
125 int udp_usrreq __P((struct socket *,
126 int, struct mbuf *, struct mbuf *, struct mbuf *, struct proc *));
127 #endif
128
129 #endif /* _NETINET_UDP_VAR_H_ */
130