[PATCH v4 2/3] selftests: netfilter: add ipvs nat test case

From: Haishuang Yan
Date: Sat Oct 05 2019 - 10:38:28 EST


Test virtual server via NAT.

Tested:
# selftests: netfilter: ipvs.sh
# Testing DR mode...
# Testing NAT mode...
# ipvs.sh: PASS

Signed-off-by: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/netfilter/ipvs.sh | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/netfilter/ipvs.sh b/tools/testing/selftests/netfilter/ipvs.sh
index f6da1bd..2601a7c 100755
--- a/tools/testing/selftests/netfilter/ipvs.sh
+++ b/tools/testing/selftests/netfilter/ipvs.sh
@@ -160,20 +160,40 @@ test_dr() {
test_service
}

+test_nat() {
+ ip netns exec ns0 ip route add ${vip_v4} via ${gip_v4} dev br0
+
+ ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
+ ip netns exec ns1 ipvsadm -A -t ${vip_v4}:${port} -s rr
+ ip netns exec ns1 ipvsadm -a -m -t ${vip_v4}:${port} -r ${rip_v4}:${port}
+ ip netns exec ns1 ip addr add ${vip_v4}/32 dev lo:1
+
+ ip netns exec ns2 ip link del veth20
+ ip netns exec ns2 ip route add default via ${dip_v4} dev veth21
+
+ test_service
+}
+
run_tests() {
local errors=

echo "Testing DR mode..."
+ cleanup
setup
test_dr
errors=$(( $errors + $? ))

+ echo "Testing NAT mode..."
+ cleanup
+ setup
+ test_nat
+ errors=$(( $errors + $? ))
+
return $errors
}

trap cleanup EXIT

-cleanup
run_tests

if [ $? -ne 0 ]; then
--
1.8.3.1