sys/net/raw_cb.h

   1 /*
   2  * Copyright (c) 1980, 1986, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)raw_cb.h    8.1 (Berkeley) 6/10/93
  34  * $FreeBSD: src/sys/net/raw_cb.h,v 1.12 1999/12/29 04:38:37 peter Exp $
  35  * $DragonFly: src/sys/net/raw_cb.h,v 1.6 2006/05/20 02:42:08 dillon Exp $
  36  */
  37
  38 #ifndef _NET_RAW_CB_H_
  39 #define _NET_RAW_CB_H_
  40
  41 #ifndef _SYS_QUEUE_H_
  42 #include <sys/queue.h>
  43 #endif
  44 #ifndef _SYS_RESOURCE_H_
  45 #include <sys/resource.h>
  46 #endif
  47 #ifndef _SYS_MBUF_H_
  48 #include <sys/mbuf.h>
  49 #endif
  50 #ifndef _SYS_SOCKET_H_
  51 #include <sys/socket.h>
  52 #endif
  53
  54 /*
  55  * Raw protocol interface control block.  Used
  56  * to tie a socket to the generic raw interface.
  57  */
  58 struct rawcb {
  59         LIST_ENTRY(rawcb)       list;
  60         struct socket           *rcb_socket;    /* back pointer to socket */
  61         const struct sockaddr   *rcb_faddr;     /* destination address */
  62         struct sockaddr         *rcb_laddr;     /* socket's address */
  63         struct sockproto        rcb_proto;      /* protocol family, protocol */
  64 };
  65
  66 #define sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)
  67
  68 /*
  69  * Nominal space allocated to a raw socket.
  70  */
  71 #define RAWSNDQ         8192
  72 #define RAWRCVQ         8192
  73
  74 #ifdef _KERNEL
  75 extern LIST_HEAD(rawcb_list_head, rawcb) rawcb_list;
  76
  77 int      raw_attach (struct socket *, int, struct rlimit *);
  78 void     raw_ctlinput (int, struct sockaddr *, void *);
  79 void     raw_detach (struct rawcb *);
  80 void     raw_disconnect (struct rawcb *);
  81 void     raw_init (void);
  82 void     raw_input (struct mbuf *, const struct sockproto *,
  83                     const struct sockaddr *, const struct sockaddr *,
  84                     const struct rawcb *);
  85
  86 extern  struct pr_usrreqs raw_usrreqs;
  87 #endif
  88
  89 #endif