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authorThe Android Open Source Project <initial-contribution@android.com>2009-01-09 17:51:21 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-01-09 17:51:21 -0800
commitc2db2b6accc7888df514261a7240e7759df95a4c (patch)
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parentdf7881f07f53b041dc0568be8528e9dbb74994cc (diff)
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-/*
- * Copyright (c) 1982, 1986, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)udp.h 8.1 (Berkeley) 6/10/93
- * udp.h,v 1.3 1994/08/21 05:27:41 paul Exp
- */
-
-#ifndef _UDP_H_
-#define _UDP_H_
-
-#define UDP_TTL 0x60
-#define UDP_UDPDATALEN 16192
-
-extern struct socket *udp_last_so;
-
-/*
- * Udp protocol header.
- * Per RFC 768, September, 1981.
- */
-struct udphdr {
- u_int16_t uh_sport; /* source port */
- u_int16_t uh_dport; /* destination port */
- int16_t uh_ulen; /* udp length */
- u_int16_t uh_sum; /* udp checksum */
-};
-
-/*
- * UDP kernel structures and variables.
- */
-struct udpiphdr {
- struct ipovly ui_i; /* overlaid ip structure */
- struct udphdr ui_u; /* udp header */
-};
-#define ui_next ui_i.ih_next
-#define ui_prev ui_i.ih_prev
-#define ui_x1 ui_i.ih_x1
-#define ui_pr ui_i.ih_pr
-#define ui_len ui_i.ih_len
-#define ui_src ui_i.ih_src
-#define ui_dst ui_i.ih_dst
-#define ui_sport ui_u.uh_sport
-#define ui_dport ui_u.uh_dport
-#define ui_ulen ui_u.uh_ulen
-#define ui_sum ui_u.uh_sum
-
-struct udpstat {
- /* input statistics: */
- u_long udps_ipackets; /* total input packets */
- u_long udps_hdrops; /* packet shorter than header */
- u_long udps_badsum; /* checksum error */
- u_long udps_badlen; /* data length larger than packet */
- u_long udps_noport; /* no socket on port */
- u_long udps_noportbcast; /* of above, arrived as broadcast */
- u_long udps_fullsock; /* not delivered, input socket full */
- u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
- /* output statistics: */
- u_long udps_opackets; /* total output packets */
-};
-
-/*
- * Names for UDP sysctl objects
- */
-#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
-#define UDPCTL_MAXID 2
-
-extern struct udpstat udpstat;
-extern struct socket udb;
-struct mbuf;
-
-void udp_init _P((void));
-void udp_input _P((register MBuf , int));
-int udp_output _P((struct socket *, MBuf , struct sockaddr_in *));
-int udp_attach _P((struct socket *));
-void udp_detach _P((struct socket *));
-u_int8_t udp_tos _P((struct socket *));
-void udp_emu _P((struct socket *, MBuf ));
-struct socket * udp_listen _P((u_int, u_int32_t, u_int, int));
-int udp_unlisten _P((u_int));
-int udp_output2(struct socket *so, MBuf m,
- struct sockaddr_in *saddr, struct sockaddr_in *daddr,
- int iptos);
-#endif