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