bsd/net/raw_cb.h

   1 /*
   2  * Copyright (c) 2000-2012 Apple 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) 1980, 1986, 1993
  30  *      The Regents of the University of California.  All rights reserved.
  31  *
  32  * Redistribution and use in source and binary forms, with or without
  33  * modification, are permitted provided that the following conditions
  34  * are met:
  35  * 1. Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  * 2. Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in the
  39  *    documentation and/or other materials provided with the distribution.
  40  * 3. All advertising materials mentioning features or use of this software
  41  *    must display the following acknowledgement:
  42  *      This product includes software developed by the University of
  43  *      California, Berkeley and its contributors.
  44  * 4. Neither the name of the University nor the names of its contributors
  45  *    may be used to endorse or promote products derived from this software
  46  *    without specific prior written permission.
  47  *
  48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  *
  60  *      @(#)raw_cb.h    8.1 (Berkeley) 6/10/93
  61  */
  62
  63 #ifndef _NET_RAW_CB_H_
  64 #define _NET_RAW_CB_H_
  65 #ifdef BSD_KERNEL_PRIVATE
  66 #include <sys/queue.h>
  67
  68 /*
  69  * Raw protocol interface control block.  Used
  70  * to tie a socket to the generic raw interface.
  71  */
  72 struct rawcb {
  73         LIST_ENTRY(rawcb) list;
  74         struct  socket *rcb_socket;     /* back pointer to socket */
  75         struct  sockaddr *rcb_faddr;    /* destination address */
  76         struct  sockaddr *rcb_laddr;    /* socket's address */
  77         struct  sockproto rcb_proto;    /* protocol family, protocol */
  78         uint32_t        reserved[4];            /* for future use */
  79 };
  80
  81 #define sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)
  82
  83 /*
  84  * Nominal space allocated to a raw socket.
  85  */
  86 #define RAWSNDQ         8192
  87 #define RAWRCVQ         8192
  88
  89 extern LIST_HEAD(rawcb_list_head, rawcb) rawcb_list;
  90
  91 __BEGIN_DECLS
  92 extern int raw_attach(struct socket *, int);
  93 extern void raw_ctlinput(int, struct sockaddr *, void *, struct ifnet *);
  94 extern void raw_detach(struct rawcb *);
  95 extern void raw_disconnect(struct rawcb *);
  96 extern void raw_init(struct protosw *, struct domain *);
  97 extern void raw_input(struct mbuf *, struct sockproto *, struct sockaddr *,
  98     struct sockaddr *);
  99 __END_DECLS
 100
 101 extern  struct pr_usrreqs raw_usrreqs;
 102 #endif /* BSD_KERNEL_PRIVATE */
 103 #endif /* _NET_RAW_CB_H_ */