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raw_cb.h revision 1.1.1.2 
      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  */
     35 
     36 /*
     37  * Raw protocol interface control block.  Used
     38  * to tie a socket to the generic raw interface.
     39  */
     40 struct rawcb {
     41 	struct	rawcb *rcb_next;	/* doubly linked list */
     42 	struct	rawcb *rcb_prev;
     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 struct rawcb rawcb;			/* head of list */
     59 
     60 int	 raw_attach __P((struct socket *, int));
     61 void	 raw_ctlinput __P((int, struct sockaddr *));
     62 void	 raw_detach __P((struct rawcb *));
     63 void	 raw_disconnect __P((struct rawcb *));
     64 void	 raw_init __P((void));
     65 void	 raw_input __P((struct mbuf *,
     66 	    struct sockproto *, struct sockaddr *, struct sockaddr *));
     67 int	 raw_usrreq __P((struct socket *,
     68 	    int, struct mbuf *, struct mbuf *, struct mbuf *));
     69 #endif
     70