#!/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 "$1" ifname
done
config_get type "$section" TYPE
case "$type" in
- classify) unset pkt; append "$var" "-m mark --mark 0";;
- default) pkt=1; append "$var" "-m mark --mark 0";;
+ classify) unset pkt; append "$var" "-m mark --mark 0/0xff";;
+ default) pkt=1; append "$var" "-m mark --mark 0/0xff";;
reclassify) pkt=1;;
esac
append "$var" "${proto:+-p $proto}"
*:dsthost)
append "$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 "$value" | sed -e 's,-,:,g')"
add_insmod ipt_length
config_get class "${value##!}" classnr
[ -z "$class" ] && continue;
case "$value" in
- !*) append "$var" "-m mark ! --mark $class";;
- *) append "$var" "-m mark --mark $class";;
+ !*) append "$var" "-m mark ! --mark $class/0xff";;
+ *) append "$var" "-m mark --mark $class/0xff";;
esac
+ ;;
+ 1:TOS)
+ add_insmod ipt_TOS
+ config_get TOS "$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
- }
+ config_set "$CONFIG_SECTION" ifbdev "$C"
+ 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)
start_interface() {
local iface="$1"
- local num_imq="$2"
+ local num_ifb="$2"
config_get device "$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"
- config_get imqdev "$iface" imqdev
- download=$(($download * 98 / 100 - (100 * 1024 / $download)))
- dev="imq$imqdev"
+ [ "$(ls -d /proc/sys/net/ipv4/conf/ifb* 2>&- | wc -l)" -ne "$num_ifb" ] && add_insmod ifb numifbs="$num_ifb"
+ config_get ifbdev "$iface" ifbdev
+ [ "$overhead" = 1 ] && download=$(($download * 98 / 100 - (80 * 1024 / $download)))
+ dev="ifb$ifbdev"
rate="$download"
dl_mode=1
prefix="d_cls"
cls_var maxrate "$class" limitrate $dir 100
cls_var prio "$class" priority $dir 1
cls_var avgrate "$class" avgrate $dir 0
+ cls_var qdisc "$class" qdisc $dir ""
+ cls_var filter "$class" filter $dir ""
config_get classnr "$class" classnr
- append cstr "$classnr:$prio:$avgrate:$pktsize:$pktdelay:$maxrate" "$N"
+ append cstr "$classnr:$prio:$avgrate:$pktsize:$pktdelay:$maxrate:$qdisc:$filter" "$N"
done
append ${prefix}q "$(tcrules)" "$N"
export dev_${dir}="ifconfig $dev up txqueuelen 5 >&- 2>&-
tc qdisc add dev $dev root handle 1: hfsc default ${class_default}0
tc class add dev $dev parent 1: classid 1:1 hfsc sc rate ${rate}kbit ul rate ${rate}kbit"
done
+ [ -n "$download" ] && {
+ add_insmod cls_u32
+ add_insmod em_u32
+ add_insmod act_connmark
+ add_insmod act_mirred
+ add_insmod sch_ingress
+ }
+ if [ -n "$halfduplex" ]; then
+ export dev_up="tc qdisc del dev $device root >&- 2>&-
+tc qdisc add dev $device root handle 1: hfsc
+tc filter add dev $device parent 1: protocol ip prio 10 u32 match u32 0 0 flowid 1:1 action mirred egress redirect dev ifb$ifbdev"
+ elif [ -n "$download" ]; then
+ append dev_${dir} "tc qdisc del dev $device ingress >&- 2>&-
+tc qdisc add dev $device ingress
+tc filter add dev $device parent ffff: protocol ip prio 1 u32 match u32 0 0 flowid 1:1 action connmark action mirred egress redirect dev ifb$ifbdev" "$N"
+ fi
add_insmod cls_fw
add_insmod sch_hfsc
add_insmod sch_sfq
cat <<EOF
${INSMOD:+$INSMOD$N}${dev_up:+$dev_up
$clsq
-}${imqdev:+$dev_down
+}${ifbdev:+$dev_down
$d_clsq
$d_clsl
$d_clsf
config_get target "$rule" target
config_get target "$target" classnr
config_get options "$rule" options
- parse_matching_rule iptrule "$rule" "$options" "$prefix" "-j MARK --set-mark $target"
+
+ ## If we want to override the TOS field, let's clear the DSCP field first.
+ [ ! -z "$(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 $target/0xff"
append "$var" "$iptrule" "$N"
done
}
local iptrules
local pktrules
local sizerules
- local download
enum_classes "$cg"
- add_rules iptrules "$ctrules" "iptables -t mangle -A ${cg}_ct"
+ add_rules iptrules "$ctrules" "iptables -t mangle -A qos_${cg}_ct"
config_get classes "$cg" classes
for class in $classes; do
config_get mark "$class" classnr
config_get maxsize "$class" maxsize
[ -z "$maxsize" -o -z "$mark" ] || {
add_insmod ipt_length
- append pktrules "iptables -t mangle -A ${cg} -m mark --mark $mark -m length --length $maxsize: -j MARK --set-mark 0" "$N"
+ append pktrules "iptables -t mangle -A qos_${cg} -m mark --mark $mark/0xff -m length --length $maxsize: -j MARK --set-mark 0/0xff" "$N"
}
done
- add_rules pktrules "$rules" "iptables -t mangle -A ${cg}"
+ add_rules pktrules "$rules" "iptables -t mangle -A qos_${cg}"
for iface in $INTERFACES; do
config_get classgroup "$iface" classgroup
config_get device "$iface" device
- config_get imqdev "$iface" imqdev
- config_get dl "$iface" download
+ config_get ifbdev "$iface" ifbdev
+ config_get upload "$iface" upload
+ config_get download "$iface" download
config_get halfduplex "$iface" halfduplex
- add_insmod ipt_IMQ
- 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 "$dl" ] || {
- [ -z "$halfduplex" ] || {
- append down "iptables -t mangle -A POSTROUTING -o $device -j IMQ --todev $imqdev" "$N"
- }
- append down "iptables -t mangle -A PREROUTING -i $device -j ${cg}" "$N"
- append down "iptables -t mangle -A PREROUTING -i $device -j IMQ --todev $imqdev" "$N"
- }
+ download="${download:-${halfduplex:+$upload}}"
+ append up "iptables -t mangle -A OUTPUT -o $device -j qos_${cg}" "$N"
+ append up "iptables -t mangle -A FORWARD -o $device -j qos_${cg}" "$N"
done
cat <<EOF
$INSMOD
-iptables -t mangle -N ${cg} >&- 2>&-
-iptables -t mangle -N ${cg}_ct >&- 2>&-
-${iptrules:+${iptrules}${N}iptables -t mangle -A ${cg}_ct -j CONNMARK --save-mark}
-iptables -t mangle -A ${cg} -j CONNMARK --restore-mark
-iptables -t mangle -A ${cg} -m mark --mark 0 -j ${cg}_ct
+iptables -t mangle -N qos_${cg} >&- 2>&-
+iptables -t mangle -N qos_${cg}_ct >&- 2>&-
+${iptrules:+${iptrules}${N}iptables -t mangle -A qos_${cg}_ct -j CONNMARK --save-mark --mask 0xff}
+iptables -t mangle -A qos_${cg} -j CONNMARK --restore-mark --mask 0xff
+iptables -t mangle -A qos_${cg} -m mark --mark 0/0xff -j qos_${cg}_ct
$pktrules
$up$N${down:+${down}$N}
EOF
start_firewall() {
add_insmod ipt_multiport
add_insmod ipt_CONNMARK
- cat <<EOF
-iptables -t mangle -F
-iptables -t mangle -X
-EOF
+ stop_firewall
for group in $CG; do
start_cg $group
done
}
+stop_firewall() {
+ # Builds up a list of iptables commands to flush the qos_* chains,
+ # remove rules referring to them, then delete them
+
+ # Print rules in the mangle table, like iptables-save
+ iptables -t mangle -S |
+ # Find rules for the qos_* chains
+ grep '^-N qos_\|-j qos_' |
+ # Exclude rules in qos_* chains (inter-qos_* refs)
+ grep -v '^-A qos_' |
+ # Replace -N with -X and hold, with -F and print
+ # Replace -A with -D
+ # Print held lines at the end (note leading newline)
+ sed -e '/^-N/{s/^-N/-X/;H;s/^-X/-F/}' \
+ -e 's/^-A/-D/' \
+ -e '${p;g}' |
+ # Make into proper iptables calls
+ # Note: awkward in previous call due to hold space usage
+ sed -n -e 's/^./iptables -t mangle &/p'
+}
+
C="0"
INTERFACES=""
[ -e ./qos.conf ] && {
start_interfaces
;;
firewall)
- start_firewall
+ case "$2" in
+ stop)
+ stop_firewall
+ ;;
+ start|"")
+ start_firewall
+ ;;
+ esac
;;
esac
projects / openwrt.git / blobdiff