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 1.1.1.1 2001/01/05 12:49:52 martin Exp $
31 *
32 * $FreeBSD$
33 *
34 * last edit-date: [Fri Mar 3 14:30:09 2000]
35 *
36 *---------------------------------------------------------------------------*/
37
38 #ifndef _I4B_MBUF_H_
39 #define _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
47 struct mbuf *i4b_Dgetmbuf( int );
48 void i4b_Dfreembuf( struct mbuf *m );
49 void i4b_Dcleanifq( struct ifqueue * );
50
51 struct mbuf *i4b_Bgetmbuf( int );
52 void i4b_Bfreembuf( struct mbuf *m );
53 void i4b_Bcleanifq( struct ifqueue * );
54
55 #endif /* _I4B_MBUF_H_ */
56
57 /* EOF */
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