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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) 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 */
-
- /*
- * 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 {
- 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)();
- int (*readable)();
- 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) */
-
- #ifdef KERNEL
- typedef struct atpcb gref_t;
-
- int at_pcballoc __P((struct socket *, struct atpcb *));
- int at_pcbdetach __P((struct atpcb *));
- int at_pcbbind __P((struct atpcb *, struct sockaddr *));
- #endif
-