netdev - [PATCH net-next] selftests: rtnetlink: add gretap test cases

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Message-Id: <1513708622-111607-1-git-send-email-u9012063@gmail.com>
Date:   Tue, 19 Dec 2017 10:37:02 -0800
From:   William Tu <u9012063@...il.com>
To:     netdev@...r.kernel.org
Cc:     fw@...len.de
Subject: [PATCH net-next] selftests: rtnetlink: add gretap test cases

Add test cases for gretap and ip6gretap, native mode
and external (collect metadata) mode.

Signed-off-by: William Tu <u9012063@...il.com>
---
 tools/testing/selftests/net/rtnetlink.sh | 98 ++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)

diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index 5215493166c9..dada4ab69142 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -502,6 +502,102 @@ kci_test_macsec()
 	echo "PASS: macsec"
 }
 
+kci_test_gretap()
+{
+	testns="testns"
+	DEV_NS=gretap00
+	ret=0
+
+	ip netns add "$testns"
+	if [ $? -ne 0 ]; then
+		echo "SKIP gretap tests: cannot add net namespace $testns"
+		return 1
+	fi
+
+	ip link help gretap 2>&1 | grep -q "^Usage:"
+	if [ $? -ne 0 ];then
+		echo "SKIP: gretap: iproute2 too old"
+		return 1
+	fi
+
+	# test native tunnel
+	ip netns exec "$testns" ip link add dev "$DEV_NS" type gretap seq \
+		key 102 local 172.16.1.100 remote 172.16.1.200
+	check_err $?
+
+	ip netns exec "$testns" ip addr add dev "$DEV_NS" 10.1.1.100/24
+	check_err $?
+
+	ip netns exec "$testns" ip link set dev $DEV_NS up
+	check_err $?
+
+	ip netns exec "$testns" ip link del "$DEV_NS"
+	check_err $?
+
+	# test external mode
+	ip netns exec "$testns" ip link add dev "$DEV_NS" type gretap external
+	check_err $?
+
+	ip netns exec "$testns" ip link del "$DEV_NS"
+	check_err $?
+
+	if [ $ret -ne 0 ]; then
+		echo "FAIL: gretap"
+		return 1
+	fi
+	echo "PASS: gretap"
+
+	ip netns del "$testns"
+}
+
+kci_test_ip6gretap()
+{
+	testns="testns"
+	DEV_NS=ip6gretap00
+	ret=0
+
+	ip netns add "$testns"
+	if [ $? -ne 0 ]; then
+		echo "SKIP ip6gretap tests: cannot add net namespace $testns"
+		return 1
+	fi
+
+	ip link help ip6gretap 2>&1 | grep -q "^Usage:"
+	if [ $? -ne 0 ];then
+		echo "SKIP: ip6gretap: iproute2 too old"
+		return 1
+	fi
+
+	# test native tunnel
+	ip netns exec "$testns" ip link add dev "$DEV_NS" type ip6gretap seq \
+		key 102 local fc00:100::1 remote fc00:100::2
+	check_err $?
+
+	ip netns exec "$testns" ip addr add dev "$DEV_NS" fc00:200::1/96
+	check_err $?
+
+	ip netns exec "$testns" ip link set dev $DEV_NS up
+	check_err $?
+
+	ip netns exec "$testns" ip link del "$DEV_NS"
+	check_err $?
+
+	# test external mode
+	ip netns exec "$testns" ip link add dev "$DEV_NS" type ip6gretap external
+	check_err $?
+
+	ip netns exec "$testns" ip link del "$DEV_NS"
+	check_err $?
+
+	if [ $ret -ne 0 ]; then
+		echo "FAIL: ip6gretap"
+		return 1
+	fi
+	echo "PASS: ip6gretap"
+
+	ip netns del "$testns"
+}
+
 kci_test_rtnl()
 {
 	kci_add_dummy
@@ -514,6 +610,8 @@ kci_test_rtnl()
 	kci_test_route_get
 	kci_test_tc
 	kci_test_gre
+	kci_test_gretap
+	kci_test_ip6gretap
 	kci_test_bridge
 	kci_test_addrlabel
 	kci_test_ifalias
-- 
2.7.4