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- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /*
- * Copyright (c) 1982, 1986, 1989, 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_var.h 8.1 (Berkeley) 6/10/93
- */
-
- #ifndef _NETINET_UDP_VAR_H_
- #define _NETINET_UDP_VAR_H_
-
- #include <sys/sysctl.h>
-
- /*
- * UDP kernel structures and variables.
- */
- struct udpiphdr {
- struct ipovly ui_i; /* overlaid ip structure */
- struct udphdr ui_u; /* udp header */
- };
- #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
- #define ui_next ui_i.ih_next
- #define ui_prev ui_i.ih_prev
-
- struct udpcb {
- /* XXX - these should be by reference so we can do options quickly */
- struct ip udb_ip;
- struct udphdr udb_uh;
- struct sockaddr_in udb_conn;
- struct in_hostcache *udb_hc;
- struct mbuf *udb_queue;
- };
- #define inptoudpcb(inp) ((struct udpdb *)(inp)->inp_ppcb)
-
- 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 */
- u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */
- /* output statistics: */
- u_long udps_opackets; /* total output packets */
- u_long udps_fastout; /* output packets on fast path */
- };
-
- /*
- * Names for UDP sysctl objects
- */
- #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
- #define UDPCTL_STATS 2 /* statistics (read-only) */
- #define UDPCTL_MAXDGRAM 3 /* max datagram size */
- #define UDPCTL_RECVSPACE 4 /* default receive buffer space */
- #define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
- #define UDPCTL_MAXID 6
-
- #define UDPCTL_NAMES { \
- { 0, 0 }, \
- { "checksum", CTLTYPE_INT }, \
- { "stats", CTLTYPE_STRUCT }, \
- { "maxdgram", CTLTYPE_INT }, \
- { "recvspace", CTLTYPE_INT }, \
- { "pcblist", CTLTYPE_STRUCT }, \
- }
-
- #ifdef KERNEL
- SYSCTL_DECL(_net_inet_udp);
-
- extern struct pr_usrreqs udp_usrreqs;
- extern struct inpcbhead udb;
- extern struct inpcbinfo udbinfo;
- extern u_long udp_sendspace;
- extern u_long udp_recvspace;
- extern struct udpstat udpstat;
- extern int log_in_vain;
-
- void udp_ctlinput __P((int, struct sockaddr *, void *));
- void udp_init __P((void));
- void udp_input __P((struct mbuf *, int));
-
- void udp_notify __P((struct inpcb *inp, int errno));
- int udp_shutdown __P((struct socket *so));
- #endif
-
- #endif
-