[apple/xnu.git] / bsd / netat / at_pcb.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * 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. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * 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_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 *	Copyright (c) 1997-1999 Apple Computer, Inc.
 *	All Rights Reserved.
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1982, 1986, 1990, 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.
 */

/* at_pcb.h */
#include <sys/appleapiopts.h>

#ifdef __APPLE_API_OBSOLETE
#ifdef KERNEL_PRIVATE
/*
 * Common structure pcb for internet protocol implementation.
 * Here are stored pointers to local and foreign host table
 * entries, local and foreign socket numbers, and pointers
 * up (to a socket structure) and down (to a protocol-specific)
 * control block.
 */
struct atpcb;
typedef struct atpcb gref_t;
struct atpcb {
	struct atpcb 	*atpcb_next,	/* pointers to other pcb's */
			*atpcb_prev,
			*atpcb_head;	/* pointer back to chain of atpcb's
					   for this protocol */
	struct socket 	*atpcb_socket;	/* back pointer to socket */
	u_char		ddptype,	/* DDP type */
			lport,		/* local DDP socket */
			rport;          /* remote DDP socket */
	struct at_addr  laddr,		/* local net and node */
			raddr;		/* remote net and node */
	int		ddp_flags;	/* generic IP/datagram flags */
	caddr_t		at_ppcb;	/* pointer to per-protocol pcb */

  /* from the gref structure */

	void *info;
	gbuf_t *ichead;
	gbuf_t *ictail;
	gbuf_t *rdhead;
	gbuf_t *rdtail;
	unsigned char	proto;		/* old-style ATPROTO_* */
	unsigned char  errno;
	unsigned short sevents;
	int pid;
	atlock_t lock;
	atevent_t event;
	atevent_t iocevent;
	int (*writeable)(gref_t *gref);
	int (*readable)(gref_t *gref);
	struct selinfo si;	/* BSD 4.4 selinfo structure for 
				   selrecord/selwakeup */
};

#define sotoatpcb(so)((struct atpcb *)(so)->so_pcb)

/* ddp_flags */
#define DDPFLG_CHKSUM	 0x01	/* DDP checksums to be used on this connection */
#define DDPFLG_SLFSND	 0x02	/* packets sent to the cable-multicast address
				   on this socket should be looped back */
#define DDPFLG_HDRINCL 	 0x08	/* user supplies entire DDP header */
#define DDPFLG_STRIPHDR	0x200	/* drop DDP header on receive (raw) */

int	at_pcballoc(struct socket *, struct atpcb *);
int	at_pcbdetach(struct atpcb *);
int	at_pcbbind(struct atpcb *, struct sockaddr *);

int atalk_getref(struct fileproc *, int , gref_t ** , struct proc *, int);
int atalk_getref_locked(struct fileproc *, int , gref_t ** , struct proc *, int);


#endif /* KERNEL_PRIVATE */
#endif /* __APPLE_API_OBSOLETE */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
8f6c56a5	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
8f6c56a5 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
8ad349bb	24	* limitations under the License.
8f6c56a5 A	25	*
8f6c56a5 A	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* Copyright (c) 1997-1999 Apple Computer, Inc.
	30	* All Rights Reserved.
	31	*/
	32	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	33	/*
	34	* Copyright (c) 1982, 1986, 1990, 1993
	35	* The Regents of the University of California. All rights reserved.
	36	*
	37	* Redistribution and use in source and binary forms, with or without
	38	* modification, are permitted provided that the following conditions
	39	* are met:
	40	* 1. Redistributions of source code must retain the above copyright
	41	* notice, this list of conditions and the following disclaimer.
	42	* 2. Redistributions in binary form must reproduce the above copyright
	43	* notice, this list of conditions and the following disclaimer in the
	44	* documentation and/or other materials provided with the distribution.
	45	* 3. All advertising materials mentioning features or use of this software
	46	* must display the following acknowledgement:
	47	* This product includes software developed by the University of
	48	* California, Berkeley and its contributors.
	49	* 4. Neither the name of the University nor the names of its contributors
	50	* may be used to endorse or promote products derived from this software
	51	* without specific prior written permission.
	52	*
	53	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	54	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	55	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	56	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	57	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	58	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	59	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	60	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	61	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	62	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	63	* SUCH DAMAGE.
	64	*/
	65
	66	/* at_pcb.h */
9bccf70c	67	#include <sys/appleapiopts.h>
1c79356b	68
91447636 A	69	#ifdef __APPLE_API_OBSOLETE
91447636 A	70	#ifdef KERNEL_PRIVATE
1c79356b A	71	/*
	72	* Common structure pcb for internet protocol implementation.
	73	* Here are stored pointers to local and foreign host table
	74	* entries, local and foreign socket numbers, and pointers
	75	* up (to a socket structure) and down (to a protocol-specific)
	76	* control block.
	77	*/
91447636 A	78	struct atpcb;
91447636 A	79	typedef struct atpcb gref_t;
1c79356b A	80	struct atpcb {
	81	struct atpcb atpcb_next, / pointers to other pcb's */
	82	*atpcb_prev,
	83	atpcb_head; / pointer back to chain of atpcb's
	84	for this protocol */
	85	struct socket atpcb_socket; / back pointer to socket */
	86	u_char ddptype, /* DDP type */
	87	lport, /* local DDP socket */
	88	rport; /* remote DDP socket */
	89	struct at_addr laddr, /* local net and node */
	90	raddr; /* remote net and node */
	91	int ddp_flags; /* generic IP/datagram flags */
	92	caddr_t at_ppcb; /* pointer to per-protocol pcb */
	93
	94	/* from the gref structure */
	95
	96	void *info;
	97	gbuf_t *ichead;
	98	gbuf_t *ictail;
	99	gbuf_t *rdhead;
	100	gbuf_t *rdtail;
	101	unsigned char proto; /* old-style ATPROTO_* */
	102	unsigned char errno;
	103	unsigned short sevents;
	104	int pid;
	105	atlock_t lock;
	106	atevent_t event;
	107	atevent_t iocevent;
91447636 A	108	int (writeable)(gref_t gref);
91447636 A	109	int (readable)(gref_t gref);
1c79356b A	110	struct selinfo si; /* BSD 4.4 selinfo structure for
	111	selrecord/selwakeup */
	112	};
	113
	114	#define sotoatpcb(so)((struct atpcb *)(so)->so_pcb)
	115
	116	/* ddp_flags */
	117	#define DDPFLG_CHKSUM 0x01 /* DDP checksums to be used on this connection */
	118	#define DDPFLG_SLFSND 0x02 /* packets sent to the cable-multicast address
	119	on this socket should be looped back */
	120	#define DDPFLG_HDRINCL 0x08 /* user supplies entire DDP header */
	121	#define DDPFLG_STRIPHDR 0x200 /* drop DDP header on receive (raw) */
	122
91447636 A	123	int at_pcballoc(struct socket , struct atpcb );
	124	int at_pcbdetach(struct atpcb *);
	125	int at_pcbbind(struct atpcb , struct sockaddr );
	126
	127	int atalk_getref(struct fileproc , int , gref_t * , struct proc *, int);
	128	int atalk_getref_locked(struct fileproc , int , gref_t * , struct proc *, int);
	129
1c79356b	130
91447636 A	131	#endif /* KERNEL_PRIVATE */
91447636 A	132	#endif /* __APPLE_API_OBSOLETE */