| #! /bin/sh -x | |
| # | |
| # sample script on using the ingress capabilities | |
| # This script just tags on the ingress interfac using Ipchains | |
| # the result is used for fast classification and re-marking | |
| # on the egress interface | |
| # | |
| #path to various utilities; | |
| #change to reflect yours. | |
| # | |
| IPROUTE=/root/DS-6-beta/iproute2-990530-dsing | |
| TC=$IPROUTE/tc/tc | |
| IP=$IPROUTE/ip/ip | |
| IPCHAINS=/root/DS-6-beta/ipchains-1.3.9/ipchains | |
| INDEV=eth2 | |
| EGDEV="dev eth1" | |
| # | |
| # tag all incoming packets from host 10.2.0.24 to value 1 | |
| # tag all incoming packets from host 10.2.0.3 to value 2 | |
| # tag the rest of incoming packets from subnet 10.2.0.0/24 to value 3 | |
| #These values are used in the egress | |
| # | |
| ############################################################ | |
| $IPCHAINS -A input -s 10.2.0.4/24 -m 3 | |
| $IPCHAINS -A input -i $INDEV -s 10.2.0.24 -m 1 | |
| $IPCHAINS -A input -i $INDEV -s 10.2.0.3 -m 2 | |
| ######################## Egress side ######################## | |
| # attach a dsmarker | |
| # | |
| $TC qdisc add $EGDEV handle 1:0 root dsmark indices 64 set_tc_index | |
| # | |
| # values of the DSCP to change depending on the class | |
| # | |
| #becomes EF | |
| $TC class change $EGDEV classid 1:1 dsmark mask 0x3 \ | |
| value 0xb8 | |
| #becomes AF11 | |
| $TC class change $EGDEV classid 1:2 dsmark mask 0x3 \ | |
| value 0x28 | |
| #becomes AF21 | |
| $TC class change $EGDEV classid 1:3 dsmark mask 0x3 \ | |
| value 0x48 | |
| # | |
| # | |
| # The class mapping | |
| # | |
| $TC filter add $EGDEV parent 1:0 protocol ip prio 4 handle 1 fw classid 1:1 | |
| $TC filter add $EGDEV parent 1:0 protocol ip prio 4 handle 2 fw classid 1:2 | |
| $TC filter add $EGDEV parent 1:0 protocol ip prio 4 handle 3 fw classid 1:3 | |
| # | |
| # | |
| echo "---- qdisc parameters Ingress ----------" | |
| $TC qdisc ls dev $INDEV | |
| echo "---- Class parameters Ingress ----------" | |
| $TC class ls dev $INDEV | |
| echo "---- filter parameters Ingress ----------" | |
| $TC filter ls dev $INDEV parent 1:0 | |
| echo "---- qdisc parameters Egress ----------" | |
| $TC qdisc ls $EGDEV | |
| echo "---- Class parameters Egress ----------" | |
| $TC class ls $EGDEV | |
| echo "---- filter parameters Egress ----------" | |
| $TC filter ls $EGDEV parent 1:0 |