80 lines
2.1 KiB
Bash
80 lines
2.1 KiB
Bash
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# This test runs a simple ingress tc setup between two veth pairs,
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# and chains a single egress rule to test ingress chaining to egress.
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#
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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if [ "$(id -u)" -ne 0 ];then
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echo "SKIP: Need root privileges"
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exit $ksft_skip
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fi
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needed_mods="act_mirred cls_flower sch_ingress"
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for mod in $needed_mods; do
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modinfo $mod &>/dev/null || { echo "SKIP: Need act_mirred module"; exit $ksft_skip; }
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done
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ns="ns$((RANDOM%899+100))"
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veth1="veth1$((RANDOM%899+100))"
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veth2="veth2$((RANDOM%899+100))"
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peer1="peer1$((RANDOM%899+100))"
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peer2="peer2$((RANDOM%899+100))"
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ip_peer1=198.51.100.5
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ip_peer2=198.51.100.6
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function fail() {
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echo "FAIL: $@" >> /dev/stderr
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exit 1
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}
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function cleanup() {
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killall -q -9 udpgso_bench_rx
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ip link del $veth1 &> /dev/null
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ip link del $veth2 &> /dev/null
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ip netns del $ns &> /dev/null
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}
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trap cleanup EXIT
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function config() {
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echo "Setup veth pairs [$veth1, $peer1], and veth pair [$veth2, $peer2]"
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ip link add $veth1 type veth peer name $peer1
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ip link add $veth2 type veth peer name $peer2
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ip addr add $ip_peer1/24 dev $peer1
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ip link set $peer1 up
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ip netns add $ns
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ip link set dev $peer2 netns $ns
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ip netns exec $ns ip addr add $ip_peer2/24 dev $peer2
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ip netns exec $ns ip link set $peer2 up
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ip link set $veth1 up
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ip link set $veth2 up
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echo "Add tc filter ingress->egress forwarding $veth1 <-> $veth2"
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tc qdisc add dev $veth2 ingress
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tc qdisc add dev $veth1 ingress
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tc filter add dev $veth2 ingress prio 1 proto all flower \
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action mirred egress redirect dev $veth1
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tc filter add dev $veth1 ingress prio 1 proto all flower \
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action mirred egress redirect dev $veth2
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echo "Add tc filter egress->ingress forwarding $peer1 -> $veth1, bypassing the veth pipe"
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tc qdisc add dev $peer1 clsact
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tc filter add dev $peer1 egress prio 20 proto ip flower \
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action mirred ingress redirect dev $veth1
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}
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function test_run() {
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echo "Run tcp traffic"
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./udpgso_bench_rx -t &
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sleep 1
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ip netns exec $ns timeout -k 2 10 ./udpgso_bench_tx -t -l 2 -4 -D $ip_peer1 || fail "traffic failed"
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echo "Test passed"
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}
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config
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test_run
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trap - EXIT
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cleanup
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