netdev - [PATCH 13/31] selftests: netfilter: add ipvs tunnel test case

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Date:   Sat, 26 Oct 2019 13:47:15 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 13/31] selftests: netfilter: add ipvs tunnel test case

From: Haishuang Yan <yanhaishuang@...s.chinamobile.com>

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@...s.chinamobile.com>
Signed-off-by: Simon Horman <horms@...ge.net.au>
---
 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 8b2e618d6a6a..c3b8f90c497e 100755
--- a/tools/testing/selftests/netfilter/ipvs.sh
+++ b/tools/testing/selftests/netfilter/ipvs.sh
@@ -168,6 +168,30 @@ 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=
 
@@ -183,6 +207,12 @@ run_tests() {
 	test_nat
 	errors=$(( $errors + $? ))
 
+	echo "Testing Tunnel mode..."
+	cleanup
+	setup
+	test_tun
+	errors=$(( $errors + $? ))
+
 	return $errors
 }
 
-- 
2.11.0