1/*	$NetBSD: rf_etimer.h,v 1.10 2005/12/11 12:23:37 christos Exp $	*/
2/*
3 * Copyright (c) 1995 Carnegie-Mellon University.
4 * All rights reserved.
5 *
6 * Author: Mark Holland
7 *
8 * Permission to use, copy, modify and distribute this software and
9 * its documentation is hereby granted, provided that both the copyright
10 * notice and this permission notice appear in all copies of the
11 * software, derivative works or modified versions, and any portions
12 * thereof, and that both notices appear in supporting documentation.
13 *
14 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
16 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17 *
18 * Carnegie Mellon requests users of this software to return to
19 *
20 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
21 *  School of Computer Science
22 *  Carnegie Mellon University
23 *  Pittsburgh PA 15213-3890
24 *
25 * any improvements or extensions that they make and grant Carnegie the
26 * rights to redistribute these changes.
27 */
28
29#ifndef _RF__RF_TIMER_H_
30#define _RF__RF_TIMER_H_
31
32#include "rf_utils.h"
33
34#include <sys/time.h>
35#include <sys/kernel.h>
36
37struct RF_Etimer_s {
38        struct timeval st;
39        struct timeval et;
40        struct timeval diff;
41};
42
43#define RF_ETIMER_START(_t_)                                    \
44                {                                               \
45                        memset(&(_t_), 0, sizeof (_t_));        \
46			getmicrouptime(&(_t_).st);		\
47                }
48
49#define RF_ETIMER_STOP(_t_)                                     \
50                {                                               \
51			getmicrouptime(&(_t_).et);		\
52                }
53
54#define RF_ETIMER_EVAL(_t_)                                     \
55        {                                                       \
56                RF_TIMEVAL_DIFF(&(_t_).st, &(_t_).et, &(_t_).diff) \
57        }
58
59#define RF_ETIMER_VAL_US(_t_)      (RF_TIMEVAL_TO_US((_t_).diff))
60#define RF_ETIMER_VAL_MS(_t_)      (RF_TIMEVAL_TO_US((_t_).diff)/1000)
61
62#endif				/* !_RF__RF_TIMER_H_ */
63