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author | sam <sam@FreeBSD.org> | 2005-08-30 16:03:15 +0000 |
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committer | sam <sam@FreeBSD.org> | 2005-08-30 16:03:15 +0000 |
commit | 003ac31f45b29833f4850e4c537df4e45bdb414a (patch) | |
tree | 1c31a393c5b49f403eadf3c46a869e7a84599e4c /tools | |
parent | 94cff4b92ff40c7cb2dd7dc57b2e4247176c5544 (diff) | |
download | FreeBSD-src-003ac31f45b29833f4850e4c537df4e45bdb414a.zip FreeBSD-src-003ac31f45b29833f4850e4c537df4e45bdb414a.tar.gz |
script to set ifs parameters based on distance; derived from program
of the same name by Gunter Burchardt
MFC after: 3 days
Diffstat (limited to 'tools')
-rw-r--r-- | tools/tools/ath/athctrl.sh | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/tools/ath/athctrl.sh b/tools/tools/ath/athctrl.sh new file mode 100644 index 0000000..5adee1c --- /dev/null +++ b/tools/tools/ath/athctrl.sh @@ -0,0 +1,42 @@ +#! /bin/sh +# +# Set the IFS parameters for an interface configured for +# point-to-point use at a specific distance. Based on a +# program by Gunter Burchardt. +# +# $FreeBSD$ +# +DEV=ath0 +d=0 + +usage() +{ + echo "Usage: $0 [-i athX] [-d meters]" + exit 2 +} + +args=`getopt d:i: $*` +test $? -ne 0 && usage + +set -- $args +for i; do + case "$i" in + -i) DEV="$2"; shift; shift;; + -d) d="$2"; shift; shift;; + --) shift; break; + esac +done + +test $d -eq 0 && usage + +slottime=`expr 9 + \( $d / 300 \)` +if expr \( $d % 300 \) != 0 >/dev/null 2>&1; then + slottime=`expr $slottime + 1` +fi +timeout=`expr $slottime \* 2 + 3` + +printf "Setup IFS parameters on interface ${DEV} for %i meter p-2-p link\n" $d +ATHN=`echo $DEV | sed 's/ath//'` +sysctl dev.ath.$ATHN.slottime=$slottime +sysctl dev.ath.$ATHN.acktimeout=$timeout +sysctl dev.ath.$ATHN.ctstimeout=$timeout |