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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/net/route_localnet.sh | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/net/route_localnet.sh')
-rwxr-xr-x | tools/testing/selftests/net/route_localnet.sh | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/route_localnet.sh b/tools/testing/selftests/net/route_localnet.sh new file mode 100755 index 000000000..116bfeab7 --- /dev/null +++ b/tools/testing/selftests/net/route_localnet.sh @@ -0,0 +1,74 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Run a couple of tests when route_localnet = 1. + +readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" + +setup() { + ip netns add "${PEER_NS}" + ip -netns "${PEER_NS}" link set dev lo up + ip link add name veth0 type veth peer name veth1 + ip link set dev veth0 up + ip link set dev veth1 netns "${PEER_NS}" + + # Enable route_localnet and delete useless route 127.0.0.0/8. + sysctl -w net.ipv4.conf.veth0.route_localnet=1 + ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.route_localnet=1 + ip route del 127.0.0.0/8 dev lo table local + ip netns exec "${PEER_NS}" ip route del 127.0.0.0/8 dev lo table local + + ifconfig veth0 127.25.3.4/24 up + ip netns exec "${PEER_NS}" ifconfig veth1 127.25.3.14/24 up + + ip route flush cache + ip netns exec "${PEER_NS}" ip route flush cache +} + +cleanup() { + ip link del veth0 + ip route add local 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1 + local -r ns="$(ip netns list|grep $PEER_NS)" + [ -n "$ns" ] && ip netns del $ns 2>/dev/null +} + +# Run test when arp_announce = 2. +run_arp_announce_test() { + echo "run arp_announce test" + setup + + sysctl -w net.ipv4.conf.veth0.arp_announce=2 + ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_announce=2 + ping -c5 -I veth0 127.25.3.14 + if [ $? -ne 0 ];then + echo "failed" + else + echo "ok" + fi + + cleanup +} + +# Run test when arp_ignore = 3. +run_arp_ignore_test() { + echo "run arp_ignore test" + setup + + sysctl -w net.ipv4.conf.veth0.arp_ignore=3 + ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_ignore=3 + ping -c5 -I veth0 127.25.3.14 + if [ $? -ne 0 ];then + echo "failed" + else + echo "ok" + fi + + cleanup +} + +run_all_tests() { + run_arp_announce_test + run_arp_ignore_test +} + +run_all_tests |