2 * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
25 *---------------------------------------------------------------------------
27 * i4b - mbuf handling support routines
28 * --------------------------------------
30 * $Id: i4b_mbuf.h,v 1.9 2000/03/07 14:21:18 hm Exp $
32 * $FreeBSD: src/sys/i4b/include/i4b_mbuf.h,v 1.6.2.1 2001/08/10 14:08:36 obrien Exp $
33 * $DragonFly: src/sys/net/i4b/include/i4b_mbuf.h,v 1.2 2003/06/17 04:28:39 dillon Exp $
35 * last edit-date: [Fri Mar 3 14:30:09 2000]
37 *---------------------------------------------------------------------------*/
42 /* layer 1 / layer 2 comunication: 3rd ph_data_req parameter */
43 #define MBUF_DONTFREE 0
46 #define IF_QEMPTY(ifq) ((ifq)->ifq_len == 0)
48 struct mbuf *i4b_Dgetmbuf( int );
49 void i4b_Dfreembuf( struct mbuf *m );
50 void i4b_Dcleanifq( struct ifqueue * );
52 struct mbuf *i4b_Bgetmbuf( int );
53 void i4b_Bfreembuf( struct mbuf *m );
54 void i4b_Bcleanifq( struct ifqueue * );
56 #endif /* _I4B_MBUF_H_ */