1/*
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
34 * $Id: udp_var.h,v 1.6 1995/11/14 20:34:56 phk Exp $
35 */
36
37#ifndef _NETINET_UDP_VAR_H_
38#define _NETINET_UDP_VAR_H_
39
40/*
41 * UDP kernel structures and variables.
42 */
43struct udpiphdr {
44 struct ipovly ui_i; /* overlaid ip structure */
45 struct udphdr ui_u; /* udp header */
46};
47#define ui_next ui_i.ih_next
48#define ui_prev ui_i.ih_prev
49#define ui_x1 ui_i.ih_x1
50#define ui_pr ui_i.ih_pr
51#define ui_len ui_i.ih_len
52#define ui_src ui_i.ih_src
53#define ui_dst ui_i.ih_dst
54#define ui_sport ui_u.uh_sport
55#define ui_dport ui_u.uh_dport
56#define ui_ulen ui_u.uh_ulen
57#define ui_sum ui_u.uh_sum
58
59struct udpstat {
60 /* input statistics: */
61 u_long udps_ipackets; /* total input packets */
62 u_long udps_hdrops; /* packet shorter than header */
63 u_long udps_badsum; /* checksum error */
64 u_long udps_badlen; /* data length larger than packet */
65 u_long udps_noport; /* no socket on port */
66 u_long udps_noportbcast; /* of above, arrived as broadcast */
67 u_long udps_fullsock; /* not delivered, input socket full */
68 u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
69 /* output statistics: */
70 u_long udps_opackets; /* total output packets */
71};
72
73/*
74 * Names for UDP sysctl objects
75 */
76#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
77#define UDPCTL_STATS 2 /* statistics (read-only) */
78#define UDPCTL_MAXDGRAM 3 /* max datagram size */
79#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
80#define UDPCTL_MAXID 5
81
82#define UDPCTL_NAMES { \
83 { 0, 0 }, \
84 { "checksum", CTLTYPE_INT }, \
85 { "stats", CTLTYPE_STRUCT }, \
86 { "maxdgram", CTLTYPE_INT }, \
87 { "recvspace", CTLTYPE_INT }, \
88}
89
90#ifdef KERNEL
91extern struct inpcbhead udb;
92extern struct inpcbinfo udbinfo;
93extern struct udpstat udpstat;
94
95void udp_ctlinput __P((int, struct sockaddr *, struct ip *));
96void udp_init __P((void));
97void udp_input __P((struct mbuf *, int));
98int udp_usrreq __P((struct socket *,
99 int, struct mbuf *, struct mbuf *, struct mbuf *));
100#endif
101
102#endif
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
34 * $Id: udp_var.h,v 1.6 1995/11/14 20:34:56 phk Exp $
35 */
36
37#ifndef _NETINET_UDP_VAR_H_
38#define _NETINET_UDP_VAR_H_
39
40/*
41 * UDP kernel structures and variables.
42 */
43struct udpiphdr {
44 struct ipovly ui_i; /* overlaid ip structure */
45 struct udphdr ui_u; /* udp header */
46};
47#define ui_next ui_i.ih_next
48#define ui_prev ui_i.ih_prev
49#define ui_x1 ui_i.ih_x1
50#define ui_pr ui_i.ih_pr
51#define ui_len ui_i.ih_len
52#define ui_src ui_i.ih_src
53#define ui_dst ui_i.ih_dst
54#define ui_sport ui_u.uh_sport
55#define ui_dport ui_u.uh_dport
56#define ui_ulen ui_u.uh_ulen
57#define ui_sum ui_u.uh_sum
58
59struct udpstat {
60 /* input statistics: */
61 u_long udps_ipackets; /* total input packets */
62 u_long udps_hdrops; /* packet shorter than header */
63 u_long udps_badsum; /* checksum error */
64 u_long udps_badlen; /* data length larger than packet */
65 u_long udps_noport; /* no socket on port */
66 u_long udps_noportbcast; /* of above, arrived as broadcast */
67 u_long udps_fullsock; /* not delivered, input socket full */
68 u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
69 /* output statistics: */
70 u_long udps_opackets; /* total output packets */
71};
72
73/*
74 * Names for UDP sysctl objects
75 */
76#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
77#define UDPCTL_STATS 2 /* statistics (read-only) */
78#define UDPCTL_MAXDGRAM 3 /* max datagram size */
79#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
80#define UDPCTL_MAXID 5
81
82#define UDPCTL_NAMES { \
83 { 0, 0 }, \
84 { "checksum", CTLTYPE_INT }, \
85 { "stats", CTLTYPE_STRUCT }, \
86 { "maxdgram", CTLTYPE_INT }, \
87 { "recvspace", CTLTYPE_INT }, \
88}
89
90#ifdef KERNEL
91extern struct inpcbhead udb;
92extern struct inpcbinfo udbinfo;
93extern struct udpstat udpstat;
94
95void udp_ctlinput __P((int, struct sockaddr *, struct ip *));
96void udp_init __P((void));
97void udp_input __P((struct mbuf *, int));
98int udp_usrreq __P((struct socket *,
99 int, struct mbuf *, struct mbuf *, struct mbuf *));
100#endif
101
102#endif