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Do a little optimization of MTU detection

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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@3901 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep 2006-05-10 18:26:40 +00:00
parent e06b5b1971
commit 95a9fc08f1
1 changed files with 7 additions and 6 deletions
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13
Shorewall/functions
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@ -1529,7 +1529,7 @@ get_device_mtu() # $1 = device
#
setup_traffic_shaping()
{
local mtu r2q tc_all_devices device mark rate ceil prio options devfile=$(find_file tcdevices) classfile=$(find_file tcclasses) devnum=1
local mtu r2q tc_all_devices device mark rate ceil prio options devfile=$(find_file tcdevices) classfile=$(find_file tcclasses) devnum=1 last_device=
r2q=10
rate_to_kbit() {
@ -1676,7 +1676,8 @@ setup_traffic_shaping()
run_tc qdisc add dev $device root handle $devnum: htb default 1$defmark
if [ $COMMAND = compile ]; then
run_tc "class add dev $device parent $devnum: classid $devnum:1 htb rate $outband mtu \$(get_device_mtu $device)"
save_command "${dev}_mtu=\$(get_device_mtu $device)"
run_tc "class add dev $device parent $devnum: classid $devnum:1 htb rate $outband mtu \$${dev}_mtu"
else
run_tc class add dev $device parent $devnum: classid $devnum:1 htb rate $outband mtu $(get_device_mtu $device)
fi
@ -1724,11 +1725,10 @@ setup_traffic_shaping()
quantum=$(calculate_quantum $rate)
if [ $COMMAND = compile ]; then
save_command "mtu=\$(get_device_mtu $device)"
save_command "[ \$mtu -gt $quantum ] && quantum=\$mtu || quantum=$quantum"
run_tc "class add dev $device parent $devnum:1 classid $classid htb rate $rate ceil $ceil prio $prio mtu \$mtu quantum \$quantum"
save_command "[ \$${dev}_mtu -gt $quantum ] && quantum=\$${dev}_mtu || quantum=$quantum"
run_tc "class add dev $device parent $devnum:1 classid $classid htb rate $rate ceil $ceil prio $prio mtu \$${dev}_mtu quantum \$quantum"
else
mtu= $(get_device_mtu $device)
[ "$last_device" = $device ] || mtu=$(get_device_mtu $device)
[ $mtu -gt $quantum ] && quantum=$mtu
run_tc class add dev $device parent $devnum:1 classid $classid htb rate $rate ceil $ceil prio $prio mtu $mtu quantum $quantum
fi
@ -1788,6 +1788,7 @@ setup_traffic_shaping()
options=$(separate_list $options | tr '[A-Z]' '[a-z]')
add_tc_class
progress_message_and_save " TC Class $tcdev defined."
last_device=$device
done < $TMP_DIR/tcclasses
fi
}