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Support hz > 1000 (Alpha) in BIOCSRTIMEOUT.

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Obtained from:	OpenBSD
This commit is contained in:
Alexander Langer 1998-10-04 17:20:22 +00:00
parent 5b3a79a466
commit ee6f62ee47
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=39955
1 changed files with 4 additions and 9 deletions
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13
sys/net/bpf.c
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@ -37,7 +37,7 @@
*
* @(#)bpf.c 8.2 (Berkeley) 3/28/94
*
* $Id: bpf.c,v 1.40 1998/07/29 05:34:59 kjc Exp $
* $Id: bpf.c,v 1.41 1998/08/18 10:13:11 ache Exp $
*/
#include "bpfilter.h"
@ -777,15 +777,10 @@ bpfioctl(dev, cmd, addr, flags, p)
case BIOCSRTIMEOUT:
{
struct timeval *tv = (struct timeval *)addr;
u_long msec;
/* Compute number of milliseconds. */
msec = tv->tv_sec * 1000 + tv->tv_usec / 1000;
/* Scale milliseconds to ticks. Assume hard
clock has millisecond or greater resolution
(i.e. tick >= 1000). For 10ms hardclock,
tick/1000 = 10, so rtout<-msec/10. */
d->bd_rtout = msec / (tick / 1000);
d->bd_rtout = tv->tv_sec * hz + tv->tv_usec / tick;
if (d->bd_rtout == 0 && tv->tv_usec != 0)
d->bd_rtout = 1;
break;
}