[PATCH v3 3/3] selftests: netfilter: add ipvs tunnel test case

From: Haishuang Yan
Date: Tue Oct 01 2019 - 10:22:37 EST


Test virtual server via ipip tunnel.

Tested:
# selftests: netfilter: ipvs.sh
# Testing DR mode...
# Testing NAT mode...
# Testing Tunnel mode...
# ipvs.sh: PASS
ok 6 selftests: netfilter: ipvs.sh

Signed-off-by: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx>
---
v2: optimize test script
---
tools/testing/selftests/netfilter/ipvs.sh | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)

diff --git a/tools/testing/selftests/netfilter/ipvs.sh b/tools/testing/selftests/netfilter/ipvs.sh
index 270b5da..a8f6e70 100755
--- a/tools/testing/selftests/netfilter/ipvs.sh
+++ b/tools/testing/selftests/netfilter/ipvs.sh
@@ -174,6 +174,30 @@ test_nat() {
test_service
}

+test_tun() {
+ ip netns exec ns0 ip route add ${vip_v4} via ${gip_v4} dev br0
+
+ ip netns exec ns1 modprobe ipip
+ ip netns exec ns1 ip link set tunl0 up
+ ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=0
+ ip netns exec ns1 sysctl -qw net.ipv4.conf.all.send_redirects=0
+ ip netns exec ns1 sysctl -qw net.ipv4.conf.default.send_redirects=0
+ ip netns exec ns1 ipvsadm -A -t ${vip_v4}:${port} -s rr
+ ip netns exec ns1 ipvsadm -a -i -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 modprobe ipip
+ ip netns exec ns2 ip link set tunl0 up
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_ignore=1
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_announce=2
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.tunl0.rp_filter=0
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.veth21.rp_filter=0
+ ip netns exec ns2 ip addr add ${vip_v4}/32 dev lo:1
+
+ test_service
+}
+
run_tests() {
local errors=

@@ -189,6 +213,12 @@ run_tests() {
test_nat
errors=$(( $errors + $? ))

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

--
1.8.3.1