3 # please read the README before filling out these values
5 # Set the following values to somewhat less than your actual download
6 # and uplink speed. In kilobits. Also set the device that is to be shaped.
8 # All config needs to be done in /etc/config/wshaper
12 for s in downlink uplink network nopriohostdst nopriohostsrc noprioportdst noprioportsrc; do
13 config_get $s settings $s
16 device=$(uci_get_state network "$network" ifname "$network")
17 [ -z "$device" ] && logger -t wondershaper "Error: Could not find the device for network $network, aborting." && exit 1
18 [ -z "$downlink" ] && logger -t wondershaper "Error: Downlink speed not set, aborting." && exit 1
19 [ -z "$uplink" ] && logger -t wondershaper "Error: Uplink speed not set, aborting." && exit 1
21 MODULES='sch_ingress sch_sfq sch_htb cls_u32 act_police'
26 # low priority OUTGOING traffic - you can leave this blank if you want
27 # low priority source netmasks
28 NOPRIOHOSTSRC="$nopriohostsrc"
30 # low priority destination netmasks
31 NOPRIOHOSTDST="$nopriohostdst"
33 # low priority source ports
34 NOPRIOPORTSRC="$noprioportsrc"
36 # low priority destination ports
37 NOPRIOPORTDST="$noprioportdst"
39 if [ "$1" = "status" ]
41 tc -s qdisc ls dev $DEV
42 tc -s class ls dev $DEV
47 # clean existing down- and uplink qdiscs, hide errors
48 tc qdisc del dev $DEV root 2> /dev/null > /dev/null
49 tc qdisc del dev $DEV ingress 2> /dev/null > /dev/null
53 for i in $MODULES ; do
59 for i in $MODULES ; do
65 # install root HTB, point default traffic to 1:20:
67 tc qdisc add dev $DEV root handle 1: htb default 20
69 # shape everything at $UPLINK speed - this prevents huge queues in your
70 # DSL modem which destroy latency:
72 tc class add dev $DEV parent 1: classid 1:1 htb rate ${UPLINK}kbit burst 6k
74 # high prio class 1:10:
76 tc class add dev $DEV parent 1:1 classid 1:10 htb rate ${UPLINK}kbit \
79 # bulk & default class 1:20 - gets slightly less traffic,
80 # and a lower priority:
82 tc class add dev $DEV parent 1:1 classid 1:20 htb rate $((9*$UPLINK/10))kbit \
85 tc class add dev $DEV parent 1:1 classid 1:30 htb rate $((8*$UPLINK/10))kbit \
88 # all get Stochastic Fairness:
89 tc qdisc add dev $DEV parent 1:10 handle 10: sfq perturb 10
90 tc qdisc add dev $DEV parent 1:20 handle 20: sfq perturb 10
91 tc qdisc add dev $DEV parent 1:30 handle 30: sfq perturb 10
93 # TOS Minimum Delay (ssh, NOT scp) in 1:10:
95 tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \
96 match ip tos 0x10 0xff flowid 1:10
98 # ICMP (ip protocol 1) in the interactive class 1:10 so we
99 # can do measurements & impress our friends:
100 tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \
101 match ip protocol 1 0xff flowid 1:10
103 # To speed up downloads while an upload is going on, put ACK packets in
104 # the interactive class:
106 tc filter add dev $DEV parent 1: protocol ip prio 10 u32 \
107 match ip protocol 6 0xff \
108 match u8 0x05 0x0f at 0 \
109 match u16 0x0000 0xffc0 at 2 \
110 match u8 0x10 0xff at 33 \
113 # rest is 'non-interactive' ie 'bulk' and ends up in 1:20
115 # some traffic however suffers a worse fate
116 for a in $NOPRIOPORTDST
118 tc filter add dev $DEV parent 1: protocol ip prio 14 u32 \
119 match ip dport $a 0xffff flowid 1:30
122 for a in $NOPRIOPORTSRC
124 tc filter add dev $DEV parent 1: protocol ip prio 15 u32 \
125 match ip sport $a 0xffff flowid 1:30
128 for a in $NOPRIOHOSTSRC
130 tc filter add dev $DEV parent 1: protocol ip prio 16 u32 \
131 match ip src $a flowid 1:30
134 for a in $NOPRIOHOSTDST
136 tc filter add dev $DEV parent 1: protocol ip prio 17 u32 \
137 match ip dst $a flowid 1:30
140 # rest is 'non-interactive' ie 'bulk' and ends up in 1:20
142 tc filter add dev $DEV parent 1: protocol ip prio 18 u32 \
143 match ip dst 0.0.0.0/0 flowid 1:20
146 ########## downlink #############
147 # slow downloads down to somewhat less than the real speed to prevent
148 # queuing at our ISP. Tune to see how high you can set it.
149 # ISPs tend to have *huge* queues to make sure big downloads are fast
151 # attach ingress policer:
153 tc qdisc add dev $DEV handle ffff: ingress
155 # filter *everything* to it (0.0.0.0/0), drop everything that's
156 # coming in too fast:
158 tc filter add dev $DEV parent ffff: protocol ip prio 50 u32 match ip src \
159 0.0.0.0/0 police rate ${DOWNLINK}kbit burst 10k drop flowid :1
161 logger -t wondershaper "Wondershaper was started on device $device."