1 //==========================================================================
3 // include/netinet/udp_var.h
7 //==========================================================================
8 //####BSDCOPYRIGHTBEGIN####
10 // -------------------------------------------
12 // Portions of this software may have been derived from OpenBSD or other sources,
13 // and are covered by the appropriate copyright disclaimers included herein.
15 // -------------------------------------------
17 //####BSDCOPYRIGHTEND####
18 //==========================================================================
19 //#####DESCRIPTIONBEGIN####
22 // Contributors: gthomas
28 //####DESCRIPTIONEND####
30 //==========================================================================
33 /* $OpenBSD: udp_var.h,v 1.9 1999/12/08 06:50:20 itojun Exp $ */
34 /* $NetBSD: udp_var.h,v 1.12 1996/02/13 23:44:41 christos Exp $ */
37 * Copyright (c) 1982, 1986, 1989, 1993
38 * The Regents of the University of California. All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 3. All advertising materials mentioning features or use of this software
49 * must display the following acknowledgement:
50 * This product includes software developed by the University of
51 * California, Berkeley and its contributors.
52 * 4. Neither the name of the University nor the names of its contributors
53 * may be used to endorse or promote products derived from this software
54 * without specific prior written permission.
56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
71 #ifndef _NETINET_UDP_VAR_H_
72 #define _NETINET_UDP_VAR_H_
75 * UDP kernel structures and variables.
78 /* overlaid ip structure */
79 struct ipovly ui_i __attribute__ ((aligned(1), packed));
80 struct udphdr ui_u; /* udp header */
82 #define ui_x1 ui_i.ih_x1
83 #define ui_pr ui_i.ih_pr
84 #define ui_len ui_i.ih_len
85 #define ui_src ui_i.ih_src
86 #define ui_dst ui_i.ih_dst
87 #define ui_sport ui_u.uh_sport
88 #define ui_dport ui_u.uh_dport
89 #define ui_ulen ui_u.uh_ulen
90 #define ui_sum ui_u.uh_sum
93 /* input statistics: */
94 u_long udps_ipackets; /* total input packets */
95 u_long udps_hdrops; /* packet shorter than header */
96 u_long udps_badsum; /* checksum error */
97 u_long udps_nosum; /* no checksum */
98 u_long udps_badlen; /* data length larger than packet */
99 u_long udps_noport; /* no socket on port */
100 u_long udps_noportbcast; /* of above, arrived as broadcast */
101 u_long udps_nosec; /* dropped for lack of ipsec */
102 u_long udps_fullsock; /* not delivered, input socket full */
103 u_long udps_pcbhashmiss; /* input packets missing pcb hash */
104 /* output statistics: */
105 u_long udps_opackets; /* total output packets */
109 * Names for UDP sysctl objects
111 #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
112 #define UDPCTL_BADDYNAMIC 2 /* return bad dynamic port bitmap */
113 #define UDPCTL_RECVSPACE 3 /* receive buffer space */
114 #define UDPCTL_SENDSPACE 4 /* send buffer space */
115 #define UDPCTL_MAXID 5
117 #define UDPCTL_NAMES { \
119 { "checksum", CTLTYPE_INT }, \
120 { "baddynamic", CTLTYPE_STRUCT }, \
121 { "recvspace", CTLTYPE_INT }, \
122 { "sendspace", CTLTYPE_INT }, \
126 struct inpcbtable udbtable;
127 struct udpstat udpstat;
129 #if defined(INET6) && !defined(TCP6)
130 void udp6_ctlinput __P((int, struct sockaddr *, void *));
131 int udp6_input __P((struct mbuf **, int *, int));
132 int udp6_usrreq __P((struct socket *,
133 int, struct mbuf *, struct mbuf *, struct mbuf *, struct proc *));
135 void *udp_ctlinput __P((int, struct sockaddr *, void *));
136 void udp_init __P((void));
137 void udp_input __P((struct mbuf *, ...));
138 int udp_output __P((struct mbuf *, ...));
139 int udp_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
140 int udp_usrreq __P((struct socket *,
141 int, struct mbuf *, struct mbuf *, struct mbuf *));
144 #endif // _NETINET_UDP_VAR_H_