VirtualBox

source: vbox/trunk/src/VBox/Devices/Network/slirp/udp.h@ 8483

Last change on this file since 8483 was 1076, checked in by vboxsync, 18 years ago

Removed tons of ifdef VBOX conditionals to make slirp readable again

  • Property svn:eol-style set to native
File size: 4.4 KB
Line 
1/*
2 * Copyright (c) 1982, 1986, 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.h 8.1 (Berkeley) 6/10/93
34 * udp.h,v 1.3 1994/08/21 05:27:41 paul Exp
35 */
36
37#ifndef _UDP_H_
38#define _UDP_H_
39
40#define UDP_TTL 0x60
41#define UDP_UDPDATALEN 16192
42
43extern struct socket *udp_last_so;
44
45/*
46 * Udp protocol header.
47 * Per RFC 768, September, 1981.
48 */
49struct udphdr {
50 u_int16_t uh_sport; /* source port */
51 u_int16_t uh_dport; /* destination port */
52 int16_t uh_ulen; /* udp length */
53 u_int16_t uh_sum; /* udp checksum */
54};
55
56/*
57 * UDP kernel structures and variables.
58 */
59struct udpiphdr {
60 struct ipovly ui_i; /* overlaid ip structure */
61 struct udphdr ui_u; /* udp header */
62};
63#define ui_next ui_i.ih_next
64#define ui_prev ui_i.ih_prev
65#define ui_x1 ui_i.ih_x1
66#define ui_pr ui_i.ih_pr
67#define ui_len ui_i.ih_len
68#define ui_src ui_i.ih_src
69#define ui_dst ui_i.ih_dst
70#define ui_sport ui_u.uh_sport
71#define ui_dport ui_u.uh_dport
72#define ui_ulen ui_u.uh_ulen
73#define ui_sum ui_u.uh_sum
74
75struct udpstat_t {
76 /* input statistics: */
77 u_long udps_ipackets; /* total input packets */
78 u_long udps_hdrops; /* packet shorter than header */
79 u_long udps_badsum; /* checksum error */
80 u_long udps_badlen; /* data length larger than packet */
81 u_long udps_noport; /* no socket on port */
82 u_long udps_noportbcast; /* of above, arrived as broadcast */
83 u_long udps_fullsock; /* not delivered, input socket full */
84 u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
85 /* output statistics: */
86 u_long udps_opackets; /* total output packets */
87};
88
89/*
90 * Names for UDP sysctl objects
91 */
92#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
93#define UDPCTL_MAXID 2
94
95extern struct udpstat udpstat;
96extern struct socket udb;
97struct mbuf;
98
99void udp_init _P((PNATState));
100void udp_input _P((PNATState, register struct mbuf *, int));
101int udp_output _P((PNATState, struct socket *, struct mbuf *, struct sockaddr_in *));
102int udp_attach _P((PNATState, struct socket *));
103void udp_detach _P((PNATState, struct socket *));
104u_int8_t udp_tos _P((struct socket *));
105void udp_emu _P((PNATState, struct socket *, struct mbuf *));
106struct socket * udp_listen _P((PNATState, u_int, u_int32_t, u_int, int));
107int udp_output2(PNATState pData, struct socket *so, struct mbuf *m,
108 struct sockaddr_in *saddr, struct sockaddr_in *daddr,
109 int iptos);
110
111#endif
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