Home | History | Annotate | Download | only in diffserv 
      1 #! /bin/sh -x
      2 #
      3 # sample script on using the ingress capabilities
      4 # This script just tags on the ingress interfac using Ipchains
      5 # the result is used for fast classification and re-marking
      6 # on the egress interface
      7 #
      8 #path to various utilities;
      9 #change to reflect yours.
     10 #
     11 IPROUTE=/root/DS-6-beta/iproute2-990530-dsing
     12 TC=$IPROUTE/tc/tc
     13 IP=$IPROUTE/ip/ip
     14 IPCHAINS=/root/DS-6-beta/ipchains-1.3.9/ipchains
     15 INDEV=eth2
     16 EGDEV="dev eth1"
     17 #
     18 # tag all incoming packets from host 10.2.0.24 to value 1
     19 # tag all incoming packets from host 10.2.0.3 to value 2
     20 # tag the rest of incoming packets from subnet 10.2.0.0/24 to value 3
     21 #These values are used in the egress
     22 #
     23 ############################################################ 
     24 $IPCHAINS -A input -s 10.2.0.4/24 -m 3
     25 $IPCHAINS -A input -i $INDEV -s 10.2.0.24 -m 1
     26 $IPCHAINS -A input -i $INDEV -s 10.2.0.3 -m 2
     27 
     28 ######################## Egress side ########################
     29 
     30 
     31 # attach a dsmarker
     32 #
     33 $TC qdisc add $EGDEV handle 1:0 root dsmark indices 64 set_tc_index
     34 #
     35 # values of the DSCP to change depending on the class
     36 #
     37 #becomes EF
     38 $TC class change $EGDEV classid 1:1 dsmark mask 0x3 \
     39        value 0xb8
     40 #becomes AF11
     41 $TC class change $EGDEV classid 1:2 dsmark mask 0x3 \
     42        value 0x28
     43 #becomes AF21
     44 $TC class change $EGDEV classid 1:3 dsmark mask 0x3 \
     45        value 0x48
     46 #
     47 #
     48 # The class mapping
     49 #
     50 $TC filter add $EGDEV parent 1:0 protocol ip prio 4 handle 1 fw classid 1:1
     51 $TC filter add $EGDEV parent 1:0 protocol ip prio 4 handle 2 fw classid 1:2
     52 $TC filter add $EGDEV parent 1:0 protocol ip prio 4 handle 3 fw classid 1:3
     53 #
     54 
     55 #
     56 echo "---- qdisc parameters Ingress  ----------"
     57 $TC qdisc ls dev $INDEV
     58 echo "---- Class parameters Ingress  ----------"
     59 $TC class ls dev $INDEV
     60 echo "---- filter parameters Ingress ----------"
     61 $TC filter ls dev $INDEV parent 1:0
     62 
     63 echo "---- qdisc parameters Egress  ----------"
     64 $TC qdisc ls $EGDEV
     65 echo "---- Class parameters Egress  ----------"
     66 $TC class ls $EGDEV
     67 echo "---- filter parameters Egress ----------"
     68 $TC filter ls $EGDEV parent 1:0
     69