lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 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 |