bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 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. |
aliguori | 2f5f899 | 2009-01-26 19:37:41 +0000 | [diff] [blame] | 13 | * 3. Neither the name of the University nor the names of its contributors |
bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 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 | |
bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 39 | /* |
| 40 | * Udp protocol header. |
| 41 | * Per RFC 768, September, 1981. |
| 42 | */ |
| 43 | struct udphdr { |
Stefan Weil | b6dce92 | 2010-07-22 22:15:23 +0200 | [diff] [blame] | 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 */ |
bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 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 | }; |
blueswir1 | 429d0a3 | 2009-01-13 19:48:42 +0000 | [diff] [blame] | 57 | #define ui_mbuf ui_i.ih_mbuf.mptr |
bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 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 | |
bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 68 | /* |
| 69 | * Names for UDP sysctl objects |
| 70 | */ |
| 71 | #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */ |
| 72 | #define UDPCTL_MAXID 2 |
| 73 | |
bellard | 101c593 | 2005-06-05 17:11:42 +0000 | [diff] [blame] | 74 | struct mbuf; |
bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 75 | |
Blue Swirl | 6cb9c6d | 2009-07-01 19:11:17 +0000 | [diff] [blame] | 76 | void udp_init(Slirp *); |
Jan Kiszka | a68adc2 | 2012-02-29 19:14:23 +0100 | [diff] [blame] | 77 | void udp_cleanup(Slirp *); |
Blue Swirl | 6cb9c6d | 2009-07-01 19:11:17 +0000 | [diff] [blame] | 78 | void udp_input(register struct mbuf *, int); |
| 79 | int udp_output(struct socket *, struct mbuf *, struct sockaddr_in *); |
| 80 | int udp_attach(struct socket *); |
| 81 | void udp_detach(struct socket *); |
Stefan Weil | b6dce92 | 2010-07-22 22:15:23 +0200 | [diff] [blame] | 82 | struct socket * udp_listen(Slirp *, uint32_t, u_int, uint32_t, u_int, |
Blue Swirl | 6cb9c6d | 2009-07-01 19:11:17 +0000 | [diff] [blame] | 83 | int); |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 84 | int udp_output2(struct socket *so, struct mbuf *m, |
bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 85 | struct sockaddr_in *saddr, struct sockaddr_in *daddr, |
| 86 | int iptos); |
| 87 | #endif |