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
25 .
/lib
/functions
/network.sh
29 if network_get_device ifname
"$1"; then
32 echo "Device for interface $1 not found." >&2
38 echo "Interface not found." >&2
43 parse_matching_rule
() {
53 append
"$var" "$prefix" "$N"
54 for option
in $options; do
56 proto
) config_get value
"$section" proto
; proto
="${proto:-$value}";;
59 config_get
type "$section" TYPE
61 classify
) unset pkt
; append
"$var" "-m mark --mark 0/0x0f";;
62 default
) pkt
=1; append
"$var" "-m mark --mark 0/0xf0";;
65 append
"$var" "${proto:+-p $proto}"
66 for option
in $options; do
67 config_get value
"$section" "$option"
69 case "$pkt:$option" in
71 append
"$var" "-s $value"
74 append
"$var" "-d $value"
76 *:ports|
*:srcports|
*:dstports
)
77 value
="$(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 xt_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 $device"
150 append
"$var" "-i $value"
153 value
="$(echo "$value" | sed -e 's,-,:,g')"
155 append
"$var" "-m length --length $value"
159 append
"$var" "-m limit --limit $value"
163 tcp
) append
"$var" "-m tcp --tcp-flags ALL $value";;
164 *) unset $var; return 0;;
168 config_get class
"${value##!}" classnr
169 [ -z "$class" ] && continue;
171 !*) append
"$var" "-m mark ! --mark $class/0x0f";;
172 *) append
"$var" "-m mark --mark $class/0x0f";;
177 config_get TOS
"$rule" 'TOS'
178 suffix
="-j TOS --set-tos "${TOS:-"Normal-Service"}
182 config_get DSCP
"$rule" 'DSCP'
183 [ -z "${DSCP%%[EBCA]*}" ] && set_value
="--set-dscp-class $DSCP" \
184 || set_value
="--set-dscp $DSCP"
185 suffix
="-j DSCP $set_value"
189 append
"$var" "$suffix"
190 case "$ports:$proto" in
191 1:) parse_matching_rule
"$var" "$section" "$options" "$prefix" "$suffix" "udp";;
201 config_set
"$2" "classgroup" "Default"
202 config_set
"$2" "upload" "128"
204 classify|default|reclassify
)
206 append
"CONFIG_${CONFIG_SECTION}_options" "$1"
213 config_get TYPE
"$1" TYPE
216 config_get_bool enabled
"$1" enabled
1
217 [ 1 -eq "$enabled" ] && {
218 config_get classgroup
"$1" classgroup
219 config_set
"$1" ifbdev
"$C"
221 append INTERFACES
"$1"
222 config_set
"$classgroup" enabled
1
223 config_get device
"$1" device
224 [ -z "$device" ] && {
225 device
="$(find_ifname $1)"
226 [ -z "$device" ] && exit 1
227 config_set
"$1" device
"$device"
231 classgroup
) append CG
"$1";;
232 classify|default|reclassify
)
234 classify
) var
="ctrules";;
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}="ip link add ${dev} type ifb >&- 2>&-
330 ip link set $dev up >&- 2>&-
331 tc qdisc del dev $dev root >&- 2>&-
332 tc qdisc add dev $dev root handle 1: hfsc default ${class_default}0
333 tc class add dev $dev parent 1: classid 1:1 hfsc sc rate ${rate}kbit ul rate ${rate}kbit"
335 [ -n "$download" ] && {
338 add_insmod act_connmark
339 add_insmod act_mirred
340 add_insmod sch_ingress
342 if [ -n "$halfduplex" ]; then
343 export dev_up
="tc qdisc del dev $device root >&- 2>&-
344 tc qdisc add dev $device root handle 1: hfsc
345 tc filter add dev $device parent 1: prio 10 u32 match u32 0 0 flowid 1:1 action mirred egress redirect dev ifb$ifbdev"
346 elif [ -n "$download" ]; then
347 append dev_
${dir} "tc qdisc del dev $device ingress >&- 2>&-
348 tc qdisc add dev $device ingress
349 tc filter add dev $device parent ffff: prio 1 u32 match u32 0 0 flowid 1:1 action connmark action mirred egress redirect dev ifb$ifbdev" "$N"
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 for command in $iptables; do
406 add_rules iptrules "$ctrules" "$command -w -t mangle -A qos_${cg}_ct"
408 config_get classes "$cg" classes
409 for class in $classes; do
410 config_get mark "$class" classnr
411 config_get maxsize "$class" maxsize
412 [ -z "$maxsize" -o -z "$mark" ] || {
414 for command in $iptables; do
415 append pktrules "$command -w -t mangle -A qos_${cg} -m mark --mark $mark/0x0f -m length --length $maxsize: -j MARK --set-mark 0/0xff" "$N"
419 for command in $iptables; do
420 add_rules pktrules "$rules" "$command -w -t mangle -A qos_${cg}"
422 for iface in $INTERFACES; do
423 config_get classgroup "$iface" classgroup
424 config_get device "$iface" device
425 config_get ifbdev "$iface" ifbdev
426 config_get upload "$iface" upload
427 config_get download "$iface" download
428 config_get halfduplex "$iface" halfduplex
429 download="${download:-${halfduplex:+$upload}}"
430 for command in $iptables; do
431 append up "$command -w -t mangle -A OUTPUT -o $device -j qos_${cg}" "$N"
432 append up "$command -w -t mangle -A FORWARD -o $device -j qos_${cg}" "$N"
439 for command in $iptables; do
441 $command -w -t mangle -N qos_${cg}
442 $command -w -t mangle -N qos_${cg}_ct
446 ${iptrules:+${iptrules}${N}}
448 for command in $iptables; do
450 $command -w -t mangle -A qos_${cg}_ct -j CONNMARK --save-mark --mask 0xff
451 $command -w -t mangle -A qos_${cg} -j CONNMARK --restore-mark --mask 0x0f
452 $command -w -t mangle -A qos_${cg} -m mark --mark 0/0x0f -j qos_${cg}_ct
458 for command in $iptables; do
460 $command -w -t mangle -A qos_${cg} -j CONNMARK --save-mark --mask 0xff
464 $up$N${down:+${down}$N}
470 add_insmod xt_multiport
471 add_insmod xt_connmark
479 # Builds up a list of iptables commands to flush the qos_* chains,
480 # remove rules referring to them, then delete them
482 # Print rules in the mangle table, like iptables-save
483 for command in $iptables; do
484 $command -w -t mangle -S |
485 # Find rules for the qos_* chains
486 grep -E '(^-N qos_|-j qos_)' |
487 # Exclude rules in qos_* chains (inter-qos_* refs)
489 # Replace -N with -X and hold, with -F and print
491 # Print held lines at the end (note leading newline)
492 sed -e '/^-N/{s/^-N/-X/;H;s/^-X/-F/}' \
495 # Make into proper iptables calls
496 # Note: awkward in previous call due to hold space usage
497 sed -n -e "s/^./${command} -w -t mangle &/p"
503 [ -e ./qos.conf ] && {
508 config_foreach qos_parse_config
512 for iface in $INTERFACES; do
513 export C="$(($C + 1))"
516 [ -x /usr/sbin/ip6tables ] && {
517 iptables="ip6tables iptables"
524 start_interfaces "$C"
528 start_interface "$2" "$C"