1/*
2 * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 *---------------------------------------------------------------------------
26 *
27 *	i4b - mbuf handling support routines
28 *	--------------------------------------
29 *
30 *	$Id: i4b_mbuf.h,v 1.3 2005/12/10 23:51:50 elad Exp $
31 *
32 * $FreeBSD$
33 *
34 *	last edit-date: [Fri Mar  3 14:30:09 2000]
35 *
36 *---------------------------------------------------------------------------*/
37
38#ifndef _NETISDN_I4B_MBUF_H_
39#define _NETISDN_I4B_MBUF_H_
40
41/* layer 1 / layer 2 comunication: 3rd ph_data_req parameter */
42#define MBUF_DONTFREE	0
43#define MBUF_FREE	1
44
45#define IF_QEMPTY(ifq)	((ifq)->ifq_len == 0)
46
47struct mbuf *i4b_Dgetmbuf( int );
48void i4b_Dfreembuf( struct mbuf *m );
49void i4b_Dcleanifq( struct ifqueue * );
50
51struct mbuf *i4b_Bgetmbuf( int );
52void i4b_Bfreembuf( struct mbuf *m );
53void i4b_Bcleanifq( struct ifqueue * );
54
55#endif /* !_NETISDN_I4B_MBUF_H_ */
56
57/* EOF */
58