2 [ -e /lib/functions.sh ] && . /lib/functions.sh || . ./functions.sh
3 [ -x /sbin/modprobe ] && {
12 eval "export isset=\${insmod_$1}"
16 [ "$2" ] && append INSMOD "$rmmod $1 >&- 2>&-" "$N"
17 append INSMOD "$insmod $* >&- 2>&-" "$N"; export insmod_$1=1
22 [ -e /etc/config/network ] && {
23 # only try to parse network config on openwrt
29 config_get "$1" ifname
33 echo "Interface not found."
38 parse_matching_rule() {
48 append "$var" "$prefix" "$N"
49 for option in $options; do
51 proto) config_get value "$section" proto; proto="${proto:-$value}";;
54 config_get type "$section" TYPE
56 classify) unset pkt; append "$var" "-m mark --mark 0/0x0f";;
57 default) pkt=1; append "$var" "-m mark --mark 0/0xf0";;
60 append "$var" "${proto:+-p $proto}"
61 for option in $options; do
62 config_get value "$section" "$option"
64 case "$pkt:$option" in
66 append "$var" "-s $value"
69 append "$var" "-d $value"
74 append "$var" "-m layer7 --l7proto $value${pkt:+ --l7pkt}"
76 *:ports|*:srcports|*:dstports)
77 value="$(echo "$value" | sed -e 's,-,:,g')"
80 ""|tcp|udp) append "$var" "-m ${proto:-tcp -p tcp} -m multiport";;
81 *) unset "$var"; return 0;;
85 config_set "$section" srcports ""
86 config_set "$section" dstports ""
87 config_set "$section" portrange ""
88 append "$var" "--ports $value"
91 config_set "$section" ports ""
92 config_set "$section" dstports ""
93 config_set "$section" portrange ""
94 append "$var" "--sports $value"
97 config_set "$section" ports ""
98 config_set "$section" srcports ""
99 config_set "$section" portrange ""
100 append "$var" "--dports $value"
106 config_set "$section" ports ""
107 config_set "$section" srcports ""
108 config_set "$section" dstports ""
109 value="$(echo "$value" | sed -e 's,-,:,g')"
111 ""|tcp|udp) append "$var" "-m ${proto:-tcp -p tcp} --sport $value --dport $value";;
112 *) unset "$var"; return 0;;
117 value="$(echo "$value" | sed -e 's,-,:,g')"
118 add_insmod ipt_connbytes
119 append "$var" "-m connbytes --connbytes $value --connbytes-dir both --connbytes-mode bytes"
122 add_insmod xt_comment
123 append "$var" "-m comment --comment '$value'"
128 !*) append "$var" "-m tos ! --tos $value";;
129 *) append "$var" "-m tos --tos $value"
135 [ -z "${value%%[EBCA]*}" ] && dscp_option="--dscp-class"
137 !*) append "$var" "-m dscp ! $dscp_option $value";;
138 *) append "$var" "-m dscp $dscp_option $value"
142 value="$(echo "$value" | sed -e 's,-,:,g')"
143 if [ "$value" = "out" ]; then
144 append "$var" "-o $device"
145 elif [ "$value" = "in" ]; then
146 append "$var" "-i $device"
150 value="$(echo "$value" | sed -e 's,-,:,g')"
151 add_insmod ipt_length
152 append "$var" "-m length --length $value"
156 append "$var" "-m limit --limit $value"
160 tcp) append "$var" "-m tcp --tcp-flags ALL $value";;
161 *) unset $var; return 0;;
165 config_get class "${value##!}" classnr
166 [ -z "$class" ] && continue;
168 !*) append "$var" "-m mark ! --mark $class/0x0f";;
169 *) append "$var" "-m mark --mark $class/0x0f";;
174 config_get TOS "$rule" 'TOS'
175 suffix="-j TOS --set-tos "${TOS:-"Normal-Service"}
179 config_get DSCP "$rule" 'DSCP'
180 [ -z "${DSCP%%[EBCA]*}" ] && set_value="--set-dscp-class $DSCP" \
181 || set_value="--set-dscp $DSCP"
182 suffix="-j DSCP $set_value"
186 append "$var" "$suffix"
187 case "$ports:$proto" in
188 1:) parse_matching_rule "$var" "$section" "$options" "$prefix" "$suffix" "udp";;
200 config_set "$2" "classgroup" "Default"
201 config_set "$2" "upload" "128"
203 classify|default|reclassify)
211 config_get TYPE "$CONFIG_SECTION" TYPE
214 config_get_bool enabled "$CONFIG_SECTION" enabled 1
215 [ 1 -eq "$enabled" ] || return 0
216 config_get classgroup "$CONFIG_SECTION" classgroup
217 config_set "$CONFIG_SECTION" ifbdev "$C"
219 append INTERFACES "$CONFIG_SECTION"
220 config_set "$classgroup" enabled 1
221 config_get device "$CONFIG_SECTION" device
222 [ -z "$device" ] && {
223 device="$(find_ifname ${CONFIG_SECTION})"
224 config_set "$CONFIG_SECTION" device "${device:-eth0}"
227 classgroup) append CG "$CONFIG_SECTION";;
228 classify|default|reclassify)
230 classify) var="ctrules";;
233 config_get target "$CONFIG_SECTION" target
234 config_set "$CONFIG_SECTION" options "$options"
235 append "$var" "$CONFIG_SECTION"
244 config_get classes "$1" classes
245 config_get default "$1" default
246 for class in $classes; do
248 config_set "${class}" classnr $c
250 $default) class_default=$c;;
253 class_default="${class_default:-$c}"
263 config_get tmp1 "$class" "$name"
264 config_get tmp2 "${class}_${type}" "$name"
267 export ${varname}="${tmp:-$default}"
272 [ -e $_dir/tcrules.awk ] || _dir=.
275 -v linespeed="$rate" \
276 -v direction="$dir" \
283 config_get device "$iface" device
284 config_get_bool enabled "$iface" enabled 1
285 [ -z "$device" -o 1 -ne "$enabled" ] && {
288 config_get upload "$iface" upload
289 config_get_bool halfduplex "$iface" halfduplex
290 config_get download "$iface" download
291 config_get classgroup "$iface" classgroup
292 config_get_bool overhead "$iface" overhead 0
294 download="${download:-${halfduplex:+$upload}}"
295 enum_classes "$classgroup"
296 for dir in ${halfduplex:-up} ${download:+down}; do
299 [ "$overhead" = 1 ] && upload=$(($upload * 98 / 100 - (15 * 128 / $upload)))
306 [ "$(ls -d /proc/sys/net/ipv4/conf/ifb* 2>&- | wc -l)" -ne "$num_ifb" ] && add_insmod ifb numifbs="$num_ifb"
307 config_get ifbdev "$iface" ifbdev
308 [ "$overhead" = 1 ] && download=$(($download * 98 / 100 - (80 * 1024 / $download)))
317 for class in $classes; do
318 cls_var pktsize "$class" packetsize $dir 1500
319 cls_var pktdelay "$class" packetdelay $dir 0
320 cls_var maxrate "$class" limitrate $dir 100
321 cls_var prio "$class" priority $dir 1
322 cls_var avgrate "$class" avgrate $dir 0
323 cls_var qdisc "$class" qdisc $dir ""
324 cls_var filter "$class" filter $dir ""
325 config_get classnr "$class" classnr
326 append cstr "$classnr:$prio:$avgrate:$pktsize:$pktdelay:$maxrate:$qdisc:$filter" "$N"
328 append ${prefix}q "$(tcrules)" "$N"
329 export dev_${dir}="ifconfig $dev up txqueuelen 5 >&- 2>&-
330 tc qdisc del dev $dev root >&- 2>&-
331 tc qdisc add dev $dev root handle 1: hfsc default ${class_default}0
332 tc class add dev $dev parent 1: classid 1:1 hfsc sc rate ${rate}kbit ul rate ${rate}kbit"
334 [ -n "$download" ] && {
337 add_insmod act_connmark
338 add_insmod act_mirred
339 add_insmod sch_ingress
341 if [ -n "$halfduplex" ]; then
342 export dev_up="tc qdisc del dev $device root >&- 2>&-
343 tc qdisc add dev $device root handle 1: hfsc
344 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"
345 elif [ -n "$download" ]; then
346 append dev_${dir} "tc qdisc del dev $device ingress >&- 2>&-
347 tc qdisc add dev $device ingress
348 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"
352 add_insmod sch_fq_codel
355 ${INSMOD:+$INSMOD$N}${dev_up:+$dev_up
363 unset INSMOD clsq clsf clsl d_clsq d_clsl d_clsf dev_up dev_down
368 for iface in $INTERFACES; do
369 start_interface "$iface" "$C"
378 for rule in $rules; do
380 config_get target "$rule" target
381 config_get target "$target" classnr
382 config_get options "$rule" options
384 ## If we want to override the TOS field, let's clear the DSCP field first.
385 [ ! -z "$(echo $options | grep 'TOS')" ] && {
386 s_options=${options%%TOS}
388 parse_matching_rule iptrule "$rule" "$s_options" "$prefix" "-j DSCP --set-dscp 0"
389 append "$var" "$iptrule" "$N"
393 target=$(($target | ($target << 4)))
394 parse_matching_rule iptrule "$rule" "$options" "$prefix" "-j MARK --set-mark $target/0xff"
395 append "$var" "$iptrule" "$N"
405 add_rules iptrules "$ctrules" "iptables -t mangle -A qos_${cg}_ct"
406 config_get classes "$cg" classes
407 for class in $classes; do
408 config_get mark "$class" classnr
409 config_get maxsize "$class" maxsize
410 [ -z "$maxsize" -o -z "$mark" ] || {
411 add_insmod ipt_length
412 append pktrules "iptables -t mangle -A qos_${cg} -m mark --mark $mark/0x0f -m length --length $maxsize: -j MARK --set-mark 0/0xff" "$N"
415 add_rules pktrules "$rules" "iptables -t mangle -A qos_${cg}"
416 for iface in $INTERFACES; do
417 config_get classgroup "$iface" classgroup
418 config_get device "$iface" device
419 config_get ifbdev "$iface" ifbdev
420 config_get upload "$iface" upload
421 config_get download "$iface" download
422 config_get halfduplex "$iface" halfduplex
423 download="${download:-${halfduplex:+$upload}}"
424 append up "iptables -t mangle -A OUTPUT -o $device -j qos_${cg}" "$N"
425 append up "iptables -t mangle -A FORWARD -o $device -j qos_${cg}" "$N"
429 iptables -t mangle -N qos_${cg} >&- 2>&-
430 iptables -t mangle -N qos_${cg}_ct >&- 2>&-
431 ${iptrules:+${iptrules}${N}iptables -t mangle -A qos_${cg}_ct -j CONNMARK --save-mark --mask 0xff}
432 iptables -t mangle -A qos_${cg} -j CONNMARK --restore-mark --mask 0x0f
433 iptables -t mangle -A qos_${cg} -m mark --mark 0/0x0f -j qos_${cg}_ct
435 ${iptrules:+${iptrules}${N}iptables -t mangle -A qos_${cg} -j CONNMARK --save-mark --mask 0xf0}
436 $up$N${down:+${down}$N}
442 add_insmod ipt_multiport
443 add_insmod ipt_CONNMARK
451 # Builds up a list of iptables commands to flush the qos_* chains,
452 # remove rules referring to them, then delete them
454 # Print rules in the mangle table, like iptables-save
455 iptables -t mangle -S |
456 # Find rules for the qos_* chains
457 grep '^-N qos_\|-j qos_' |
458 # Exclude rules in qos_* chains (inter-qos_* refs)
460 # Replace -N with -X and hold, with -F and print
462 # Print held lines at the end (note leading newline)
463 sed -e '/^-N/{s/^-N/-X/;H;s/^-X/-F/}' \
466 # Make into proper iptables calls
467 # Note: awkward in previous call due to hold space usage
468 sed -n -e 's/^./iptables -t mangle &/p'
473 [ -e ./qos.conf ] && {
479 for iface in $INTERFACES; do
480 export C="$(($C + 1))"
485 start_interfaces "$C"
489 start_interface "$2" "$C"