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-rwxr-xr-xpackage/qos-scripts/files/usr/lib/qos/generate.sh497
-rw-r--r--package/qos-scripts/files/usr/lib/qos/tcrules.awk95
2 files changed, 592 insertions, 0 deletions
diff --git a/package/qos-scripts/files/usr/lib/qos/generate.sh b/package/qos-scripts/files/usr/lib/qos/generate.sh
new file mode 100755
index 000000000..440b43f5d
--- /dev/null
+++ b/package/qos-scripts/files/usr/lib/qos/generate.sh
@@ -0,0 +1,497 @@
+#!/bin/sh
+[ -e /lib/functions.sh ] && . /lib/functions.sh || . ./functions.sh
+[ -x /sbin/modprobe ] && {
+ insmod="modprobe"
+ rmmod="$insmod -r"
+} || {
+ insmod="insmod"
+ rmmod="rmmod"
+}
+
+add_insmod() {
+ eval "export isset=\${insmod_$1}"
+ case "$isset" in
+ 1) ;;
+ *) {
+ [ "$2" ] && append INSMOD "$rmmod $1 >&- 2>&-" "$N"
+ append INSMOD "$insmod $* >&- 2>&-" "$N"; export insmod_$1=1
+ };;
+ esac
+}
+
+[ -e /etc/config/network ] && {
+ # only try to parse network config on openwrt
+
+ find_ifname() {(
+ reset_cb
+ include /lib/network
+ scan_interfaces
+ config_get "$1" ifname
+ )}
+} || {
+ find_ifname() {
+ echo "Interface not found."
+ exit 1
+ }
+}
+
+parse_matching_rule() {
+ local var="$1"
+ local section="$2"
+ local options="$3"
+ local prefix="$4"
+ local suffix="$5"
+ local proto="$6"
+ local mport=""
+ local ports=""
+
+ append "$var" "$prefix" "$N"
+ for option in $options; do
+ case "$option" in
+ proto) config_get value "$section" proto; proto="${proto:-$value}";;
+ esac
+ done
+ config_get type "$section" TYPE
+ case "$type" in
+ classify) unset pkt; append "$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}"
+ for option in $options; do
+ config_get value "$section" "$option"
+
+ case "$pkt:$option" in
+ *:srchost)
+ append "$var" "-s $value"
+ ;;
+ *:dsthost)
+ append "$var" "-d $value"
+ ;;
+ *:layer7)
+ add_insmod ipt_layer7
+ add_insmod xt_layer7
+ append "$var" "-m layer7 --l7proto $value${pkt:+ --l7pkt}"
+ ;;
+ *:ports|*:srcports|*:dstports)
+ value="$(echo "$value" | sed -e 's,-,:,g')"
+ lproto=${lproto:-tcp}
+ case "$proto" in
+ ""|tcp|udp) append "$var" "-m ${proto:-tcp -p tcp} -m multiport";;
+ *) unset "$var"; return 0;;
+ esac
+ case "$option" in
+ ports)
+ config_set "$section" srcports ""
+ config_set "$section" dstports ""
+ config_set "$section" portrange ""
+ append "$var" "--ports $value"
+ ;;
+ srcports)
+ config_set "$section" ports ""
+ config_set "$section" dstports ""
+ config_set "$section" portrange ""
+ append "$var" "--sports $value"
+ ;;
+ dstports)
+ config_set "$section" ports ""
+ config_set "$section" srcports ""
+ config_set "$section" portrange ""
+ append "$var" "--dports $value"
+ ;;
+ esac
+ ports=1
+ ;;
+ *:portrange)
+ config_set "$section" ports ""
+ config_set "$section" srcports ""
+ config_set "$section" dstports ""
+ value="$(echo "$value" | sed -e 's,-,:,g')"
+ case "$proto" in
+ ""|tcp|udp) append "$var" "-m ${proto:-tcp -p tcp} --sport $value --dport $value";;
+ *) unset "$var"; return 0;;
+ 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 length --length $value"
+ ;;
+ 1:limit)
+ add_insmod ipt_limit
+ append "$var" "-m limit --limit $value"
+ ;;
+ 1:tcpflags)
+ case "$proto" in
+ tcp) append "$var" "-m tcp --tcp-flags ALL $value";;
+ *) unset $var; return 0;;
+ esac
+ ;;
+ 1:mark)
+ config_get class "${value##!}" classnr
+ [ -z "$class" ] && continue;
+ case "$value" in
+ !*) 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" "$suffix"
+ case "$ports:$proto" in
+ 1:) parse_matching_rule "$var" "$section" "$options" "$prefix" "$suffix" "udp";;
+ esac
+}
+
+config_cb() {
+ option_cb() {
+ return 0
+ }
+
+ # Section start
+ case "$1" in
+ interface)
+ config_set "$2" "classgroup" "Default"
+ config_set "$2" "upload" "128"
+ ;;
+ classify|default|reclassify)
+ option_cb() {
+ append options "$1"
+ }
+ ;;
+ esac
+
+ # Section end
+ config_get TYPE "$CONFIG_SECTION" TYPE
+ case "$TYPE" in
+ interface)
+ config_get_bool enabled "$CONFIG_SECTION" enabled 1
+ [ 1 -eq "$enabled" ] || return 0
+ config_get classgroup "$CONFIG_SECTION" classgroup
+ 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 "${device:-eth0}"
+ }
+ ;;
+ classgroup) append CG "$CONFIG_SECTION";;
+ classify|default|reclassify)
+ case "$TYPE" in
+ classify) var="ctrules";;
+ *) var="rules";;
+ esac
+ config_get target "$CONFIG_SECTION" target
+ config_set "$CONFIG_SECTION" options "$options"
+ append "$var" "$CONFIG_SECTION"
+ unset options
+ ;;
+ esac
+}
+
+
+enum_classes() {
+ local c="0"
+ config_get classes "$1" classes
+ config_get default "$1" default
+ for class in $classes; do
+ c="$(($c + 1))"
+ config_set "${class}" classnr $c
+ case "$class" in
+ $default) class_default=$c;;
+ esac
+ done
+ class_default="${class_default:-$c}"
+}
+
+cls_var() {
+ local varname="$1"
+ local class="$2"
+ local name="$3"
+ local type="$4"
+ local default="$5"
+ local tmp tmp1 tmp2
+ config_get tmp1 "$class" "$name"
+ config_get tmp2 "${class}_${type}" "$name"
+ tmp="${tmp2:-$tmp1}"
+ tmp="${tmp:-$tmp2}"
+ export ${varname}="${tmp:-$default}"
+}
+
+tcrules() {
+ dir=/usr/lib/qos
+ [ -e $dir/tcrules.awk ] || dir=.
+ echo "$cstr" | awk \
+ -v device="$dev" \
+ -v linespeed="$rate" \
+ -f $dir/tcrules.awk
+}
+
+start_interface() {
+ local iface="$1"
+ local num_ifb="$2"
+ config_get device "$iface" device
+ config_get_bool enabled "$iface" enabled 1
+ [ -z "$device" -o 1 -ne "$enabled" ] && {
+ return 1
+ }
+ config_get upload "$iface" upload
+ 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 ${halfduplex:-up} ${download:+down}; do
+ case "$dir" in
+ up)
+ [ "$overhead" = 1 ] && upload=$(($upload * 98 / 100 - (15 * 128 / $upload)))
+ dev="$device"
+ rate="$upload"
+ dl_mode=""
+ prefix="cls"
+ ;;
+ down)
+ [ "$(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"
+ ;;
+ *) continue;;
+ esac
+ cstr=
+ for class in $classes; do
+ cls_var pktsize "$class" packetsize $dir 1500
+ cls_var pktdelay "$class" packetdelay $dir 0
+ cls_var maxrate "$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:$qdisc:$filter" "$N"
+ done
+ append ${prefix}q "$(tcrules)" "$N"
+ export dev_${dir}="ifconfig $dev up txqueuelen 5 >&- 2>&-
+tc qdisc del dev $dev root >&- 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" "$N"
+ fi
+ add_insmod cls_fw
+ add_insmod sch_hfsc
+ add_insmod sch_fq_codel
+
+ cat <<EOF
+${INSMOD:+$INSMOD$N}${dev_up:+$dev_up
+$clsq
+}${ifbdev:+$dev_down
+$d_clsq
+$d_clsl
+$d_clsf
+}
+EOF
+ unset INSMOD clsq clsf clsl d_clsq d_clsl d_clsf dev_up dev_down
+}
+
+start_interfaces() {
+ local C="$1"
+ for iface in $INTERFACES; do
+ start_interface "$iface" "$C"
+ done
+}
+
+add_rules() {
+ local var="$1"
+ local rules="$2"
+ local prefix="$3"
+
+ for rule in $rules; do
+ unset iptrule
+ config_get target "$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 $target/0xff"
+ append "$var" "$iptrule" "$N"
+ done
+}
+
+start_cg() {
+ local cg="$1"
+ local iptrules
+ local pktrules
+ local sizerules
+ enum_classes "$cg"
+ 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 "$mark" ] || {
+ add_insmod ipt_length
+ append pktrules "iptables -t mangle -A qos_${cg} -m mark --mark $mark/0xff -m length --length $maxsize: -j MARK --set-mark 0/0xff" "$N"
+ }
+ done
+ add_rules pktrules "$rules" "iptables -t mangle -A qos_${cg}"
+ for iface in $INTERFACES; do
+ config_get classgroup "$iface" classgroup
+ config_get device "$iface" device
+ config_get ifbdev "$iface" ifbdev
+ config_get upload "$iface" upload
+ config_get download "$iface" download
+ config_get halfduplex "$iface" halfduplex
+ download="${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 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
+ unset INSMOD
+}
+
+start_firewall() {
+ add_insmod ipt_multiport
+ add_insmod ipt_CONNMARK
+ 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 ] && {
+ . ./qos.conf
+ config_cb
+} || config_load qos
+
+C="0"
+for iface in $INTERFACES; do
+ export C="$(($C + 1))"
+done
+
+case "$1" in
+ all)
+ start_interfaces "$C"
+ start_firewall
+ ;;
+ interface)
+ start_interface "$2" "$C"
+ ;;
+ interfaces)
+ start_interfaces
+ ;;
+ firewall)
+ case "$2" in
+ stop)
+ stop_firewall
+ ;;
+ start|"")
+ start_firewall
+ ;;
+ esac
+ ;;
+esac
diff --git a/package/qos-scripts/files/usr/lib/qos/tcrules.awk b/package/qos-scripts/files/usr/lib/qos/tcrules.awk
new file mode 100644
index 000000000..a19b65192
--- /dev/null
+++ b/package/qos-scripts/files/usr/lib/qos/tcrules.awk
@@ -0,0 +1,95 @@
+BEGIN {
+ dmax=100
+ if (!(linespeed > 0)) linespeed = 128
+ FS=":"
+ n = 0
+}
+
+($1 != "") {
+ n++
+ class[n] = $1
+ prio[n] = $2
+ avgrate[n] = ($3 * linespeed / 100)
+ pktsize[n] = $4
+ delay[n] = $5
+ maxrate[n] = ($6 * linespeed / 100)
+ qdisc[n] = $7
+ filter[n] = $8
+}
+
+END {
+ allocated = 0
+ maxdelay = 0
+
+ for (i = 1; i <= n; i++) {
+ # set defaults
+ if (!(pktsize[i] > 0)) pktsize[i] = 1500
+ if (!(prio[i] > 0)) prio[i] = 1
+
+ allocated += avgrate[i]
+ sum_prio += prio[i]
+ if ((avgrate[i] > 0) && !(delay[i] > 0)) {
+ sum_rtprio += prio[i]
+ }
+ }
+
+ # allocation of m1 in rt classes:
+ # sum(d * m1) must not exceed dmax * (linespeed - allocated)
+ dmax = 0
+ for (i = 1; i <= n; i++) {
+ if (avgrate[i] > 0) {
+ rtm2[i] = avgrate[i]
+ if (delay[i] > 0) {
+ d[i] = delay[i]
+ } else {
+ d[i] = 2 * pktsize[i] * 1000 / (linespeed * 1024)
+ if (d[i] > dmax) dmax = d[i]
+ }
+ }
+ }
+
+ ds_avail = dmax * (linespeed - allocated)
+ for (i = 1; i <= n; i++) {
+ lsm1[i] = 0
+ rtm1[i] = 0
+ lsm2[i] = linespeed * prio[i] / sum_prio
+ if ((avgrate[i] > 0) && (d[i] > 0)) {
+ if (!(delay[i] > 0)) {
+ ds = ds_avail * prio[i] / sum_rtprio
+ ds_avail -= ds
+ rtm1[i] = rtm2[i] + ds/d[i]
+ }
+ lsm1[i] = rtm1[i]
+ }
+ else {
+ d[i] = 0
+ }
+ }
+
+ # main qdisc
+ for (i = 1; i <= n; i++) {
+ printf "tc class add dev "device" parent 1:1 classid 1:"class[i]"0 hfsc"
+ if (rtm1[i] > 0) {
+ printf " rt m1 " int(rtm1[i]) "kbit d " int(d[i] * 1000) "us m2 " int(rtm2[i])"kbit"
+ }
+ printf " ls m1 " int(lsm1[i]) "kbit d " int(d[i] * 1000) "us m2 " int(lsm2[i]) "kbit"
+ print " ul rate " int(maxrate[i]) "kbit"
+ }
+
+ # leaf qdisc
+ avpkt = 1200
+ for (i = 1; i <= n; i++) {
+ print "tc qdisc add dev "device" parent 1:"class[i]"0 handle "class[i]"00: fq_codel"
+ }
+
+ # filter rule
+ for (i = 1; i <= n; i++) {
+ print "tc filter add dev "device" parent 1: prio "class[i]" protocol ip handle "class[i]"/0xff fw flowid 1:"class[i] "0"
+ filterc=1
+ if (filter[i] != "") {
+ print " tc filter add dev "device" parent "class[i]"00: handle "filterc"0 "filter[i]
+ filterc=filterc+1
+ }
+ }
+}
+