#!/bin/sh
[ -e /etc/functions.sh ] && . /etc/functions.sh || . ./functions.sh
-[ -x /sbin/modprobe ] && insmod="modprobe" || insmod="insmod"
+[ -x /sbin/modprobe ] && {
+ insmod="modprobe"
+ rmmod="$insmod -r"
+} || {
+ insmod="insmod"
+ rmmod="rmmod"
+}
add_insmod() {
eval "export isset=\${insmod_$1}"
case "$isset" in
1) ;;
- *) append INSMOD "$insmod $* >&- 2>&-" "$N"; export insmod_$1=1;;
+ *) {
+ [ "$2" ] && append INSMOD "$rmmod $1 >&- 2>&-" "$N"
+ append INSMOD "$insmod $* >&- 2>&-" "$N"; export insmod_$1=1
+ };;
esac
}
# only try to parse network config on openwrt
find_ifname() {(
+ reset_cb
include /lib/network
scan_interfaces
config_get "$1" ifname
*:dsthost)
append "$var" "-d $value"
;;
- *:ipp2p)
- add_insmod ipt_ipp2p
- append "$var" "-m ipp2p"
- case "$value" in
- all) append "$var" "--edk --dc --kazaa --gnu --bit";;
- *) append "$var" "--$value";;
- esac
- ;;
*:layer7)
add_insmod ipt_layer7
+ add_insmod xt_layer7
append "$var" "-m layer7 --l7proto $value${pkt:+ --l7pkt}"
;;
*:ports|*:srcports|*:dstports)
esac
ports=1
;;
+ *:connbytes)
+ value="$(echo "$value" | sed -e 's,-,:,g')"
+ add_insmod ipt_connbytes
+ append "$var" "-m connbytes --connbytes $value --connbytes-dir both --connbytes-mode bytes"
+ ;;
+ *:tos)
+ add_insmod ipt_tos
+ case "$value" in
+ !*) append "$var" "-m tos ! --tos $value";;
+ *) append "$var" "-m tos --tos $value"
+ esac
+ ;;
+ *:dscp)
+ add_insmod ipt_dscp
+ dscp_option="--dscp"
+ [ -z "${value%%[EBCA]*}" ] && dscp_option="--dscp-class"
+ case "$value" in
+ !*) append "$var" "-m dscp ! $dscp_option $value";;
+ *) append "$var" "-m dscp $dscp_option $value"
+ esac
+ ;;
+ *:direction)
+ value="$(echo "$value" | sed -e 's,-,:,g')"
+ if [ "$value" = "out" ]; then
+ append "$var" "-o $device"
+ elif [ "$value" = "in" ]; then
+ append "$var" "-i $device"
+ fi
+ ;;
1:pktsize)
value="$(echo "$value" | sed -e 's,-,:,g')"
add_insmod ipt_length
!*) append "$var" "-m mark ! --mark $class";;
*) append "$var" "-m mark --mark $class";;
esac
+ ;;
+ 1:TOS)
+ add_insmod ipt_TOS
+ config_get TOS "$rule" 'TOS'
+ suffix="-j TOS --set-tos "${TOS:-"Normal-Service"}
+ ;;
+ 1:DSCP)
+ add_insmod ipt_DSCP
+ config_get DSCP "$rule" 'DSCP'
+ [ -z "${DSCP%%[EBCA]*}" ] && set_value="--set-dscp-class $DSCP" \
+ || set_value="--set-dscp $DSCP"
+ suffix="-j DSCP $set_value"
+ ;;
esac
done
append "$var" "$suffix"
config_get TYPE "$CONFIG_SECTION" TYPE
case "$TYPE" in
interface)
- config_get enabled "$CONFIG_SECTION" enabled
- config_get download "$CONFIG_SECTION" download
+ config_get_bool enabled "$CONFIG_SECTION" enabled 1
+ [ 1 -eq "$enabled" ] || return 0
config_get classgroup "$CONFIG_SECTION" classgroup
config_set "$CONFIG_SECTION" imqdev "$C"
- [ -z "$enabled" -o "$(($enabled))" -eq 0 ] || {
- C=$(($C+1))
- INTERFACES="$INTERFACES $CONFIG_SECTION"
- config_set "$classgroup" enabled 1
- }
+ C=$(($C+1))
+ append INTERFACES "$CONFIG_SECTION"
+ config_set "$classgroup" enabled 1
config_get device "$CONFIG_SECTION" device
- [ -z "$device" ] && device="$(find_ifname ${CONFIG_SECTION})"
- config_set "$CONFIG_SECTION" device "${device:-eth0}"
+ [ -z "$device" ] && {
+ device="$(find_ifname ${CONFIG_SECTION})"
+ config_set "$CONFIG_SECTION" device "${device:-eth0}"
+ }
;;
classgroup) append CG "$CONFIG_SECTION";;
classify|default|reclassify)
local iface="$1"
local num_imq="$2"
config_get device "$iface" device
- config_get enabled "$iface" enabled
- [ -z "$device" -o -z "$enabled" ] && exit
+ config_get_bool enabled "$iface" enabled 1
+ [ -z "$device" -o 1 -ne "$enabled" ] && {
+ return 1
+ }
config_get upload "$iface" upload
- config_get halfduplex "$iface" halfduplex
+ config_get_bool halfduplex "$iface" halfduplex
config_get download "$iface" download
config_get classgroup "$iface" classgroup
+ config_get_bool overhead "$iface" overhead 0
download="${download:-${halfduplex:+$upload}}"
enum_classes "$classgroup"
- for dir in up${halfduplex} ${download:+down}; do
+ for dir in ${halfduplex:-up} ${download:+down}; do
case "$dir" in
up)
- upload=$(($upload * 98 / 100 - (32 * 128 / $upload)))
+ [ "$overhead" = 1 ] && upload=$(($upload * 98 / 100 - (15 * 128 / $upload)))
dev="$device"
rate="$upload"
dl_mode=""
prefix="cls"
;;
down)
- add_insmod imq numdevs="$num_imq"
+ [ "$(ls -d /proc/sys/net/ipv4/conf/imq* 2>&- | wc -l)" -ne "$num_imq" ] && add_insmod imq numdevs="$num_imq"
config_get imqdev "$iface" imqdev
- download=$(($download * 98 / 100 - (100 * 1024 / $download)))
+ [ "$overhead" = 1 ] && download=$(($download * 98 / 100 - (80 * 1024 / $download)))
dev="imq$imqdev"
rate="$download"
dl_mode=1
cls_var maxrate "$class" limitrate $dir 100
cls_var prio "$class" priority $dir 1
cls_var avgrate "$class" avgrate $dir 0
+ cls_var qdisc_esfq "$class" qdisc_esfq $dir ""
+ [ "$qdisc_esfq" != "" ] && add_insmod sch_esfq
config_get classnr "$class" classnr
- append cstr "$classnr:$prio:$avgrate:$pktsize:$pktdelay:$maxrate" "$N"
+ append cstr "$classnr:$prio:$avgrate:$pktsize:$pktdelay:$maxrate:$qdisc_esfq" "$N"
done
append ${prefix}q "$(tcrules)" "$N"
export dev_${dir}="ifconfig $dev up txqueuelen 5 >&- 2>&-
config_get target "$rule" target
config_get target "$target" classnr
config_get options "$rule" options
+
+ ## If we want to override the TOS field, let's clear the DSCP field first.
+ [ ! -z "$(echo $options | grep 'TOS')" ] && {
+ s_options=${options%%TOS}
+ add_insmod ipt_DSCP
+ parse_matching_rule iptrule "$rule" "$s_options" "$prefix" "-j DSCP --set-dscp 0"
+ append "$var" "$iptrule" "$N"
+ unset iptrule
+ }
+
parse_matching_rule iptrule "$rule" "$options" "$prefix" "-j MARK --set-mark $target"
append "$var" "$iptrule" "$N"
done
append up "iptables -t mangle -A OUTPUT -o $device -j ${cg}" "$N"
append up "iptables -t mangle -A FORWARD -o $device -j ${cg}" "$N"
[ -z "$dl" ] || {
+ append down "iptables -t mangle -A POSTROUTING -o $device -j ${cg}" "$N"
[ -z "$halfduplex" ] || {
append down "iptables -t mangle -A POSTROUTING -o $device -j IMQ --todev $imqdev" "$N"
}