[apple/xnu.git] / bsd / netinet / udp_var.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The 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, QUIET ENJOYMENT 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/appleapiopts.h>

#include <sys/sysctl.h>
#ifdef __APPLE_API_PRIVATE

/*
 * 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
#endif /* __APPLE_API_PRIVATE */

#ifdef __APPLE_API_UNSTABLE
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 */
#ifndef __APPLE__
	u_long	udps_nosum;		/* no checksum */
	/* of no socket on port, arrived as multicast */
	u_long	udps_noportmcast;
#endif
};
#endif /* __APPLE_API_UNSTABLE */

/*
 * 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 __APPLE_API_PRIVATE
#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 /* __APPLE_API_PRIVATE */

#endif
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
d7e50217	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
d7e50217 A	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
d7e50217 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
1c79356b A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* Copyright (c) 1982, 1986, 1989, 1993
	27	* The Regents of the University of California. All rights reserved.
	28	*
	29	* Redistribution and use in source and binary forms, with or without
	30	* modification, are permitted provided that the following conditions
	31	* are met:
	32	* 1. Redistributions of source code must retain the above copyright
	33	* notice, this list of conditions and the following disclaimer.
	34	* 2. Redistributions in binary form must reproduce the above copyright
	35	* notice, this list of conditions and the following disclaimer in the
	36	* documentation and/or other materials provided with the distribution.
	37	* 3. All advertising materials mentioning features or use of this software
	38	* must display the following acknowledgement:
	39	* This product includes software developed by the University of
	40	* California, Berkeley and its contributors.
	41	* 4. Neither the name of the University nor the names of its contributors
	42	* may be used to endorse or promote products derived from this software
	43	* without specific prior written permission.
	44	*
	45	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	46	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	47	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	48	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	49	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	50	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	51	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	52	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	53	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	54	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	55	* SUCH DAMAGE.
	56	*
	57	* @(#)udp_var.h 8.1 (Berkeley) 6/10/93
	58	*/
	59
	60	#ifndef _NETINET_UDP_VAR_H_
	61	#define _NETINET_UDP_VAR_H_
9bccf70c	62	#include <sys/appleapiopts.h>
1c79356b A	63
1c79356b A	64	#include <sys/sysctl.h>
9bccf70c	65	#ifdef __APPLE_API_PRIVATE
1c79356b A	66
	67	/*
	68	* UDP kernel structures and variables.
	69	*/
	70	struct udpiphdr {
	71	struct ipovly ui_i; /* overlaid ip structure */
	72	struct udphdr ui_u; /* udp header */
	73	};
	74	#define ui_x1 ui_i.ih_x1
	75	#define ui_pr ui_i.ih_pr
	76	#define ui_len ui_i.ih_len
	77	#define ui_src ui_i.ih_src
	78	#define ui_dst ui_i.ih_dst
	79	#define ui_sport ui_u.uh_sport
	80	#define ui_dport ui_u.uh_dport
	81	#define ui_ulen ui_u.uh_ulen
	82	#define ui_sum ui_u.uh_sum
	83	#define ui_next ui_i.ih_next
	84	#define ui_prev ui_i.ih_prev
9bccf70c	85	#endif /* __APPLE_API_PRIVATE */
1c79356b	86
9bccf70c	87	#ifdef __APPLE_API_UNSTABLE
1c79356b A	88	struct udpstat {
	89	/* input statistics: */
	90	u_long udps_ipackets; /* total input packets */
	91	u_long udps_hdrops; /* packet shorter than header */
	92	u_long udps_badsum; /* checksum error */
	93	u_long udps_badlen; /* data length larger than packet */
	94	u_long udps_noport; /* no socket on port */
	95	u_long udps_noportbcast; /* of above, arrived as broadcast */
	96	u_long udps_fullsock; /* not delivered, input socket full */
	97	u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
	98	u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */
	99	/* output statistics: */
	100	u_long udps_opackets; /* total output packets */
	101	u_long udps_fastout; /* output packets on fast path */
9bccf70c A	102	#ifndef __APPLE__
	103	u_long udps_nosum; /* no checksum */
	104	/* of no socket on port, arrived as multicast */
	105	u_long udps_noportmcast;
	106	#endif
1c79356b	107	};
9bccf70c	108	#endif /* __APPLE_API_UNSTABLE */
1c79356b A	109
	110	/*
	111	* Names for UDP sysctl objects
	112	*/
	113	#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
	114	#define UDPCTL_STATS 2 /* statistics (read-only) */
	115	#define UDPCTL_MAXDGRAM 3 /* max datagram size */
	116	#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
	117	#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
	118	#define UDPCTL_MAXID 6
	119
	120	#define UDPCTL_NAMES { \
	121	{ 0, 0 }, \
	122	{ "checksum", CTLTYPE_INT }, \
	123	{ "stats", CTLTYPE_STRUCT }, \
	124	{ "maxdgram", CTLTYPE_INT }, \
	125	{ "recvspace", CTLTYPE_INT }, \
	126	{ "pcblist", CTLTYPE_STRUCT }, \
	127	}
	128
9bccf70c	129	#ifdef __APPLE_API_PRIVATE
1c79356b A	130	#ifdef KERNEL
	131	SYSCTL_DECL(_net_inet_udp);
	132
	133	extern struct pr_usrreqs udp_usrreqs;
	134	extern struct inpcbhead udb;
	135	extern struct inpcbinfo udbinfo;
	136	extern u_long udp_sendspace;
	137	extern u_long udp_recvspace;
9bccf70c	138	extern struct udpstat udpstat;
1c79356b A	139	extern int log_in_vain;
	140
	141	void udp_ctlinput __P((int, struct sockaddr , void ));
	142	void udp_init __P((void));
	143	void udp_input __P((struct mbuf *, int));
	144
	145	void udp_notify __P((struct inpcb *inp, int errno));
	146	int udp_shutdown __P((struct socket *so));
	147	#endif
9bccf70c	148	#endif /* __APPLE_API_PRIVATE */
1c79356b A	149
1c79356b A	150	#endif