80 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03 4# This test runs a simple ingress tc setup between two veth pairs,5# and chains a single egress rule to test ingress chaining to egress.6#7# Kselftest framework requirement - SKIP code is 4.8ksft_skip=49 10if [ "$(id -u)" -ne 0 ];then11 echo "SKIP: Need root privileges"12 exit $ksft_skip13fi14 15needed_mods="act_mirred cls_flower sch_ingress"16for mod in $needed_mods; do17 modinfo $mod &>/dev/null || { echo "SKIP: Need act_mirred module"; exit $ksft_skip; }18done19 20ns="ns$((RANDOM%899+100))"21veth1="veth1$((RANDOM%899+100))"22veth2="veth2$((RANDOM%899+100))"23peer1="peer1$((RANDOM%899+100))"24peer2="peer2$((RANDOM%899+100))"25ip_peer1=198.51.100.526ip_peer2=198.51.100.627 28function fail() {29 echo "FAIL: $@" >> /dev/stderr30 exit 131}32 33function cleanup() {34 killall -q -9 udpgso_bench_rx35 ip link del $veth1 &> /dev/null36 ip link del $veth2 &> /dev/null37 ip netns del $ns &> /dev/null38}39trap cleanup EXIT40 41function config() {42 echo "Setup veth pairs [$veth1, $peer1], and veth pair [$veth2, $peer2]"43 ip link add $veth1 type veth peer name $peer144 ip link add $veth2 type veth peer name $peer245 ip addr add $ip_peer1/24 dev $peer146 ip link set $peer1 up47 ip netns add $ns48 ip link set dev $peer2 netns $ns49 ip netns exec $ns ip addr add $ip_peer2/24 dev $peer250 ip netns exec $ns ip link set $peer2 up51 ip link set $veth1 up52 ip link set $veth2 up53 54 echo "Add tc filter ingress->egress forwarding $veth1 <-> $veth2"55 tc qdisc add dev $veth2 ingress56 tc qdisc add dev $veth1 ingress57 tc filter add dev $veth2 ingress prio 1 proto all flower \58 action mirred egress redirect dev $veth159 tc filter add dev $veth1 ingress prio 1 proto all flower \60 action mirred egress redirect dev $veth261 62 echo "Add tc filter egress->ingress forwarding $peer1 -> $veth1, bypassing the veth pipe"63 tc qdisc add dev $peer1 clsact64 tc filter add dev $peer1 egress prio 20 proto ip flower \65 action mirred ingress redirect dev $veth166}67 68function test_run() {69 echo "Run tcp traffic"70 ./udpgso_bench_rx -t &71 sleep 172 ip netns exec $ns timeout -k 2 10 ./udpgso_bench_tx -t -l 2 -4 -D $ip_peer1 || fail "traffic failed"73 echo "Test passed"74}75 76config77test_run78trap - EXIT79cleanup80