xref: /xnu-8796.101.5/bsd/net/raw_cb.h (revision aca3beaa3dfbd42498b42c5e5ce20a938e6554e5)

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 * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
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 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
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 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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/*
 * Copyright (c) 1980, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)raw_cb.h	8.1 (Berkeley) 6/10/93
 */

#ifndef _NET_RAW_CB_H_
#define _NET_RAW_CB_H_
#ifdef BSD_KERNEL_PRIVATE
#include <sys/queue.h>

/*
 * Raw protocol interface control block.  Used
 * to tie a socket to the generic raw interface.
 */
struct rawcb {
	LIST_ENTRY(rawcb) list;
	struct  socket *rcb_socket;     /* back pointer to socket */
	struct  sockaddr *rcb_faddr;    /* destination address */
	struct  sockaddr *rcb_laddr;    /* socket's address */
	struct  sockproto rcb_proto;    /* protocol family, protocol */
	uint32_t        reserved[4];            /* for future use */
};

#define sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)

/*
 * Nominal space allocated to a raw socket.
 */
#define RAWSNDQ         8192
#define RAWRCVQ         8192

extern LIST_HEAD(rawcb_list_head, rawcb) rawcb_list;

__BEGIN_DECLS
extern int raw_attach(struct socket *, int);
extern void raw_ctlinput(int, struct sockaddr *, void *, struct ifnet *);
extern void raw_detach_nofree(struct rawcb *);
extern void raw_disconnect(struct rawcb *);
extern void raw_input(struct mbuf *, struct sockproto *, struct sockaddr *,
    struct sockaddr *);
__END_DECLS

extern  struct pr_usrreqs raw_usrreqs;
#endif /* BSD_KERNEL_PRIVATE */
#endif /* _NET_RAW_CB_H_ */