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# 11IPROUTE=/root/DS-6-beta/iproute2-990530-dsing 12TC=$IPROUTE/tc/tc 13IP=$IPROUTE/ip/ip 14IPCHAINS=/root/DS-6-beta/ipchains-1.3.9/ipchains 15INDEV=eth2 16EGDEV="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 $EGDEV parent 1:0 protocol ip prio 4 handle 3 fw classid 1:3 53# 54 55# 56echo "---- qdisc parameters Ingress ----------" 57$TC qdisc ls dev $INDEV 58echo "---- Class parameters Ingress ----------" 59$TC class ls dev $INDEV 60echo "---- filter parameters Ingress ----------" 61$TC filter ls dev $INDEV parent 1:0 62 63echo "---- qdisc parameters Egress ----------" 64$TC qdisc ls $EGDEV 65echo "---- Class parameters Egress ----------" 66$TC class ls $EGDEV 67echo "---- filter parameters Egress ----------" 68$TC filter ls $EGDEV parent 1:0 69