sys/net/raw_cb.h

   1 /*      $NetBSD: raw_cb.h,v 1.19 2005/12/11 23:05:25 thorpej Exp $      */
   2
   3 /*
   4  * Copyright (c) 1980, 1986, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)raw_cb.h    8.1 (Berkeley) 6/10/93
  32  */
  33
  34 #ifndef _NET_RAW_CB_H_
  35 #define _NET_RAW_CB_H_
  36
  37 /*
  38  * Raw protocol interface control block.  Used
  39  * to tie a socket to the generic raw interface.
  40  */
  41 struct rawcb {
  42         LIST_ENTRY(rawcb) rcb_list;     /* doubly linked list */
  43         struct  socket *rcb_socket;     /* back pointer to socket */
  44         struct  sockaddr *rcb_faddr;    /* destination address */
  45         struct  sockaddr *rcb_laddr;    /* socket's address */
  46         struct  sockproto rcb_proto;    /* protocol family, protocol */
  47 };
  48
  49 #define sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)
  50
  51 /*
  52  * Nominal space allocated to a raw socket.
  53  */
  54 #define RAWSNDQ         8192
  55 #define RAWRCVQ         8192
  56
  57 #ifdef _KERNEL
  58 LIST_HEAD(rawcbhead, rawcb);
  59 extern  struct  rawcbhead rawcb;                /* head of list */
  60
  61 int     raw_attach(struct socket *, int);
  62 void    *raw_ctlinput(int, const struct sockaddr *, void *);
  63 void    raw_detach(struct rawcb *);
  64 void    raw_disconnect(struct rawcb *);
  65 void    raw_init(void);
  66 void    raw_input(struct mbuf *, ...);
  67 int     raw_usrreq(struct socket *,
  68             int, struct mbuf *, struct mbuf *, struct mbuf *, struct lwp *);
  69 void    raw_setsockaddr(struct rawcb *, struct mbuf *);
  70 void    raw_setpeeraddr(struct rawcb *, struct mbuf *);
  71
  72 #endif /* _KERNEL */
  73
  74 #endif /* !_NET_RAW_CB_H_ */