pcie_aer: support configurable AER capa version
[qemu.git] / slirp / udp.h
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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)udp.h 8.1 (Berkeley) 6/10/93
30 * udp.h,v 1.3 1994/08/21 05:27:41 paul Exp
31 */
32
33 #ifndef UDP_H
34 #define UDP_H
35
36 #define UDP_TTL 0x60
37 #define UDP_UDPDATALEN 16192
38
39 /*
40 * Udp protocol header.
41 * Per RFC 768, September, 1981.
42 */
43 struct udphdr {
44 uint16_t uh_sport; /* source port */
45 uint16_t uh_dport; /* destination port */
46 int16_t uh_ulen; /* udp length */
47 uint16_t uh_sum; /* udp checksum */
48 };
49
50 /*
51 * UDP kernel structures and variables.
52 */
53 struct udpiphdr {
54 struct ipovly ui_i; /* overlaid ip structure */
55 struct udphdr ui_u; /* udp header */
56 };
57 #define ui_mbuf ui_i.ih_mbuf.mptr
58 #define ui_x1 ui_i.ih_x1
59 #define ui_pr ui_i.ih_pr
60 #define ui_len ui_i.ih_len
61 #define ui_src ui_i.ih_src
62 #define ui_dst ui_i.ih_dst
63 #define ui_sport ui_u.uh_sport
64 #define ui_dport ui_u.uh_dport
65 #define ui_ulen ui_u.uh_ulen
66 #define ui_sum ui_u.uh_sum
67
68 /*
69 * Names for UDP sysctl objects
70 */
71 #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
72 #define UDPCTL_MAXID 2
73
74 struct mbuf;
75
76 void udp_init(Slirp *);
77 void udp_cleanup(Slirp *);
78 void udp_input(register struct mbuf *, int);
79 int udp_attach(struct socket *, unsigned short af);
80 void udp_detach(struct socket *);
81 struct socket * udp_listen(Slirp *, uint32_t, u_int, uint32_t, u_int,
82 int);
83 int udp_output(struct socket *so, struct mbuf *m,
84 struct sockaddr_in *saddr, struct sockaddr_in *daddr,
85 int iptos);
86
87 void udp6_input(register struct mbuf *);
88 int udp6_output(struct socket *so, struct mbuf *m,
89 struct sockaddr_in6 *saddr, struct sockaddr_in6 *daddr);
90
91 #endif