release/src/router/iproute2/examples/cbqinit.eth1

   1 #! /bin/sh
   2
   3 TC=/home/root/tc
   4 IP=/home/root/ip
   5 DEVICE=eth1
   6 BANDWIDTH="bandwidth 10Mbit"
   7
   8 # Attach CBQ on $DEVICE. It will have handle 1:.
   9 #   $BANDWIDTH is real $DEVICE bandwidth (10Mbit).
  10 #   avpkt is average packet size.
  11 #   mpu is minimal packet size.
  12
  13 $TC qdisc add dev $DEVICE  root  handle 1:  cbq \
  14 $BANDWIDTH avpkt 1000 mpu 64
  15
  16 # Create root class with classid 1:1. This step is not necessary.
  17 #   bandwidth is the same as on CBQ itself.
  18 #   rate == all the bandwidth
  19 #   allot is MTU + MAC header
  20 #   maxburst measure allowed class burstiness (please,read S.Floyd and VJ papers)
  21 #   est 1sec 8sec means, that kernel will evaluate average rate
  22 #                 on this class with period 1sec and time constant 8sec.
  23 #                 This rate is viewed with "tc -s class ls dev $DEVICE"
  24
  25 $TC class add dev $DEVICE parent 1:0 classid :1 est 1sec 8sec cbq \
  26 $BANDWIDTH rate 10Mbit allot 1514 maxburst 50 avpkt 1000
  27
  28 # Bulk.
  29 #    New parameters are:
  30 #    weight, which is set to be proportional to
  31 #            "rate". It is not necessary, weight=1 will work as well.
  32 #    defmap and split say that best effort ttraffic, not classfied
  33 #            by another means will fall to this class.
  34
  35 $TC class add dev $DEVICE parent 1:1 classid :2 est 1sec 8sec cbq \
  36 $BANDWIDTH rate 4Mbit allot 1514 weight 500Kbit \
  37 prio 6 maxburst 50 avpkt 1000 split 1:0 defmap ff3d
  38
  39 # OPTIONAL.
  40 # Attach "sfq" qdisc to this class, quantum is MTU, perturb
  41 # gives period of hash function perturbation in seconds.
  42 #
  43 $TC qdisc add dev $DEVICE parent 1:2 sfq quantum 1514b perturb 15
  44
  45 # Interactive-burst class
  46
  47 $TC class add dev $DEVICE parent 1:1 classid :3 est 2sec 16sec cbq \
  48 $BANDWIDTH rate 1Mbit allot 1514 weight 100Kbit \
  49 prio 2 maxburst 100 avpkt 1000 split 1:0 defmap c0
  50
  51 $TC qdisc add dev $DEVICE parent 1:3 sfq quantum 1514b perturb 15
  52
  53 # Background.
  54
  55 $TC class add dev $DEVICE parent 1:1 classid :4 est 1sec 8sec cbq \
  56   $BANDWIDTH rate 100Kbit allot 1514 weight 10Mbit \
  57   prio 7 maxburst 10 avpkt 1000 split 1:0 defmap 2
  58
  59 $TC qdisc add dev $DEVICE parent 1:4 sfq quantum 1514b perturb 15
  60
  61 # Realtime class for RSVP
  62
  63 $TC class add dev $DEVICE parent 1:1 classid 1:7FFE cbq \
  64 rate 5Mbit $BANDWIDTH allot 1514b avpkt 1000 \
  65 maxburst 20
  66
  67 # Reclassified realtime traffic
  68 #
  69 # New element: split is not 1:0, but 1:7FFE. It means,
  70 #     that only real-time packets, which violated policing filters
  71 #     or exceeded reshaping buffers will fall to it.
  72
  73 $TC class add dev $DEVICE parent 1:7FFE classid 1:7FFF  est 4sec 32sec cbq \
  74 rate 1Mbit $BANDWIDTH allot 1514b avpkt 1000 weight 10Kbit \
  75 prio 6 maxburst 10 split 1:7FFE defmap ffff
  76