| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 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 |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 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 */ |
| | 67 | #include <sys/appleapiopts.h> |
| | 68 | |
| | 69 | #ifdef __APPLE_API_OBSOLETE |
| | 70 | #ifdef KERNEL_PRIVATE |
| | 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 | */ |
| | 78 | struct atpcb; |
| | 79 | typedef struct atpcb gref_t; |
| | 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; |
| | 108 | int (*writeable)(gref_t *gref); |
| | 109 | int (*readable)(gref_t *gref); |
| | 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 | |
| | 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 | |
| | 130 | void atalk_notify(gref_t *, int); |
| | 131 | void atalk_notify_sel(gref_t *); |
| | 132 | |
| | 133 | int atalk_peek(gref_t *, unsigned char *); |
| | 134 | |
| | 135 | void ddp_putmsg(gref_t *gref, gbuf_t *mp); |
| | 136 | int ddp_socket_inuse(u_char, u_char); |
| | 137 | void ddp_notify_nbp(unsigned char, int, unsigned char); |
| | 138 | |
| | 139 | void atalk_putnext(gref_t *gref, gbuf_t *m); |
| | 140 | void atalk_enablew(gref_t *gref); |
| | 141 | void atalk_flush(gref_t *gref); |
| | 142 | |
| | 143 | void at_memzone_init(void); |
| | 144 | |
| | 145 | #endif /* KERNEL_PRIVATE */ |
| | 146 | #endif /* __APPLE_API_OBSOLETE */ |
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