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 $value"
71 *:ports|*:srcports|*:dstports)
72 value="$(echo "$value" | sed -e 's,-,:,g')"
75 ""|tcp|udp) append "$var" "-m ${proto:-tcp -p tcp} -m multiport";;
76 *) unset "$var"; return 0;;
80 config_set "$section" srcports ""
81 config_set "$section" dstports ""
82 config_set "$section" portrange ""
83 append "$var" "--ports $value"
86 config_set "$section" ports ""
87 config_set "$section" dstports ""
88 config_set "$section" portrange ""
89 append "$var" "--sports $value"
92 config_set "$section" ports ""
93 config_set "$section" srcports ""
94 config_set "$section" portrange ""
95 append "$var" "--dports $value"
101 config_set "$section" ports ""
102 config_set "$section" srcports ""
103 config_set "$section" dstports ""
104 value="$(echo "$value" | sed -e 's,-,:,g')"
106 ""|tcp|udp) append "$var" "-m ${proto:-tcp -p tcp} --sport $value --dport $value";;
107 *) unset "$var"; return 0;;
112 value="$(echo "$value" | sed -e 's,-,:,g')"
113 add_insmod xt_connbytes
114 append "$var" "-m connbytes --connbytes $value --connbytes-dir both --connbytes-mode bytes"
117 add_insmod xt_comment
118 append "$var" "-m comment --comment '$value'"
123 !*) append "$var" "-m tos ! --tos $value";;
124 *) append "$var" "-m tos --tos $value"
130 [ -z "${value%%[EBCA]*}" ] && dscp_option="--dscp-class"
132 !*) append "$var" "-m dscp ! $dscp_option $value";;
133 *) append "$var" "-m dscp $dscp_option $value"
137 value="$(echo "$value" | sed -e 's,-,:,g')"
138 if [ "$value" = "out" ]; then
139 append "$var" "-o $device"
140 elif [ "$value" = "in" ]; then
141 append "$var" "-i $device"
145 append "$var" "-i $value"
148 value="$(echo "$value" | sed -e 's,-,:,g')"
150 append "$var" "-m length --length $value"
154 append "$var" "-m limit --limit $value"
158 tcp) append "$var" "-m tcp --tcp-flags ALL $value";;
159 *) unset $var; return 0;;
163 config_get class "${value##!}" classnr
164 [ -z "$class" ] && continue;
166 !*) append "$var" "-m mark ! --mark $class/0x0f";;
167 *) append "$var" "-m mark --mark $class/0x0f";;
172 config_get TOS "$rule" 'TOS'
173 suffix="-j TOS --set-tos "${TOS:-"Normal-Service"}
177 config_get DSCP "$rule" 'DSCP'
178 [ -z "${DSCP%%[EBCA]*}" ] && set_value="--set-dscp-class $DSCP" \
179 || set_value="--set-dscp $DSCP"
180 suffix="-j DSCP $set_value"
184 append "$var" "$suffix"
185 case "$ports:$proto" in
186 1:) parse_matching_rule "$var" "$section" "$options" "$prefix" "$suffix" "udp";;
198 config_set "$2" "classgroup" "Default"
199 config_set "$2" "upload" "128"
201 classify|default|reclassify)
209 config_get TYPE "$CONFIG_SECTION" TYPE
212 config_get_bool enabled "$CONFIG_SECTION" enabled 1
213 [ 1 -eq "$enabled" ] || return 0
214 config_get classgroup "$CONFIG_SECTION" classgroup
215 config_set "$CONFIG_SECTION" ifbdev "$C"
217 append INTERFACES "$CONFIG_SECTION"
218 config_set "$classgroup" enabled 1
219 config_get device "$CONFIG_SECTION" device
220 [ -z "$device" ] && {
221 device="$(find_ifname ${CONFIG_SECTION})"
222 config_set "$CONFIG_SECTION" device "$device"
225 classgroup) append CG "$CONFIG_SECTION";;
226 classify|default|reclassify)
228 classify) var="ctrules";;
231 config_get target "$CONFIG_SECTION" target
232 config_set "$CONFIG_SECTION" options "$options"
233 append "$var" "$CONFIG_SECTION"
242 config_get classes "$1" classes
243 config_get default "$1" default
244 for class in $classes; do
246 config_set "${class}" classnr $c
248 $default) class_default=$c;;
251 class_default="${class_default:-$c}"
261 config_get tmp1 "$class" "$name"
262 config_get tmp2 "${class}_${type}" "$name"
265 export ${varname}="${tmp:-$default}"
270 [ -e $_dir/tcrules.awk ] || _dir=.
273 -v linespeed="$rate" \
274 -v direction="$dir" \
281 config_get device "$iface" device
282 config_get_bool enabled "$iface" enabled 1
283 [ -z "$device" -o 1 -ne "$enabled" ] && {
286 config_get upload "$iface" upload
287 config_get_bool halfduplex "$iface" halfduplex
288 config_get download "$iface" download
289 config_get classgroup "$iface" classgroup
290 config_get_bool overhead "$iface" overhead 0
292 download="${download:-${halfduplex:+$upload}}"
293 enum_classes "$classgroup"
294 for dir in ${halfduplex:-up} ${download:+down}; do
297 [ "$overhead" = 1 ] && upload=$(($upload * 98 / 100 - (15 * 128 / $upload)))
304 [ "$(ls -d /proc/sys/net/ipv4/conf/ifb* 2>&- | wc -l)" -ne "$num_ifb" ] && add_insmod ifb numifbs="$num_ifb"
305 config_get ifbdev "$iface" ifbdev
306 [ "$overhead" = 1 ] && download=$(($download * 98 / 100 - (80 * 1024 / $download)))
315 for class in $classes; do
316 cls_var pktsize "$class" packetsize $dir 1500
317 cls_var pktdelay "$class" packetdelay $dir 0
318 cls_var maxrate "$class" limitrate $dir 100
319 cls_var prio "$class" priority $dir 1
320 cls_var avgrate "$class" avgrate $dir 0
321 cls_var qdisc "$class" qdisc $dir ""
322 cls_var filter "$class" filter $dir ""
323 config_get classnr "$class" classnr
324 append cstr "$classnr:$prio:$avgrate:$pktsize:$pktdelay:$maxrate:$qdisc:$filter" "$N"
326 append ${prefix}q "$(tcrules)" "$N"
327 export dev_${dir}="ifconfig $dev up >&- 2>&-
328 tc qdisc del dev $dev root >&- 2>&-
329 tc qdisc add dev $dev root handle 1: hfsc default ${class_default}0
330 tc class add dev $dev parent 1: classid 1:1 hfsc sc rate ${rate}kbit ul rate ${rate}kbit"
332 [ -n "$download" ] && {
335 add_insmod act_connmark
336 add_insmod act_mirred
337 add_insmod sch_ingress
339 if [ -n "$halfduplex" ]; then
340 export dev_up="tc qdisc del dev $device root >&- 2>&-
341 tc qdisc add dev $device root handle 1: hfsc
342 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"
343 elif [ -n "$download" ]; then
344 append dev_${dir} "tc qdisc del dev $device ingress >&- 2>&-
345 tc qdisc add dev $device ingress
346 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"
350 add_insmod sch_fq_codel
353 ${INSMOD:+$INSMOD$N}${dev_up:+$dev_up
361 unset INSMOD clsq clsf clsl d_clsq d_clsl d_clsf dev_up dev_down
366 for iface in $INTERFACES; do
367 start_interface "$iface" "$C"
376 for rule in $rules; do
378 config_get target "$rule" target
379 config_get target "$target" classnr
380 config_get options "$rule" options
382 ## If we want to override the TOS field, let's clear the DSCP field first.
383 [ ! -z "$(echo $options | grep 'TOS')" ] && {
384 s_options=${options%%TOS}
386 parse_matching_rule iptrule "$rule" "$s_options" "$prefix" "-j DSCP --set-dscp 0"
387 append "$var" "$iptrule" "$N"
391 target=$(($target | ($target << 4)))
392 parse_matching_rule iptrule "$rule" "$options" "$prefix" "-j MARK --set-mark $target/0xff"
393 append "$var" "$iptrule" "$N"
403 add_rules iptrules "$ctrules" "iptables -t mangle -A qos_${cg}_ct"
404 config_get classes "$cg" classes
405 for class in $classes; do
406 config_get mark "$class" classnr
407 config_get maxsize "$class" maxsize
408 [ -z "$maxsize" -o -z "$mark" ] || {
410 append pktrules "iptables -t mangle -A qos_${cg} -m mark --mark $mark/0x0f -m length --length $maxsize: -j MARK --set-mark 0/0xff" "$N"
413 add_rules pktrules "$rules" "iptables -t mangle -A qos_${cg}"
414 for iface in $INTERFACES; do
415 config_get classgroup "$iface" classgroup
416 config_get device "$iface" device
417 config_get ifbdev "$iface" ifbdev
418 config_get upload "$iface" upload
419 config_get download "$iface" download
420 config_get halfduplex "$iface" halfduplex
421 download="${download:-${halfduplex:+$upload}}"
422 append up "iptables -t mangle -A OUTPUT -o $device -j qos_${cg}" "$N"
423 append up "iptables -t mangle -A FORWARD -o $device -j qos_${cg}" "$N"
427 iptables -t mangle -N qos_${cg} >&- 2>&-
428 iptables -t mangle -N qos_${cg}_ct >&- 2>&-
429 ${iptrules:+${iptrules}${N}iptables -t mangle -A qos_${cg}_ct -j CONNMARK --save-mark --mask 0xff}
430 iptables -t mangle -A qos_${cg} -j CONNMARK --restore-mark --mask 0x0f
431 iptables -t mangle -A qos_${cg} -m mark --mark 0/0x0f -j qos_${cg}_ct
433 ${iptrules:+${iptrules}${N}iptables -t mangle -A qos_${cg} -j CONNMARK --save-mark --mask 0xff}
434 $up$N${down:+${down}$N}
440 add_insmod xt_multiport
441 add_insmod xt_CONNMARK
449 # Builds up a list of iptables commands to flush the qos_* chains,
450 # remove rules referring to them, then delete them
452 # Print rules in the mangle table, like iptables-save
453 iptables -t mangle -S |
454 # Find rules for the qos_* chains
455 grep '^-N qos_\|-j qos_' |
456 # Exclude rules in qos_* chains (inter-qos_* refs)
458 # Replace -N with -X and hold, with -F and print
460 # Print held lines at the end (note leading newline)
461 sed -e '/^-N/{s/^-N/-X/;H;s/^-X/-F/}' \
464 # Make into proper iptables calls
465 # Note: awkward in previous call due to hold space usage
466 sed -n -e 's/^./iptables -t mangle &/p'
471 [ -e ./qos.conf ] && {
477 for iface in $INTERFACES; do
478 export C="$(($C + 1))"
483 start_interfaces "$C"
487 start_interface "$2" "$C"