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Message-Id: <20180107104518.31693-17-idosch@mellanox.com>
Date: Sun, 7 Jan 2018 12:45:16 +0200
From: Ido Schimmel <idosch@...lanox.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, dsahern@...il.com, roopa@...ulusnetworks.com,
nicolas.dichtel@...nd.com, weiwan@...gle.com, kafai@...com,
yoshfuji@...ux-ipv6.org, mlxsw@...lanox.com,
Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 16/18] selftests: fib_tests: Add test cases for IPv4/IPv6 FIB
Add test cases to check that IPv4 and IPv6 react to a netdev being
unregistered as expected.
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
tools/testing/selftests/net/Makefile | 1 +
tools/testing/selftests/net/fib_tests.sh | 146 +++++++++++++++++++++++++++++++
2 files changed, 147 insertions(+)
create mode 100755 tools/testing/selftests/net/fib_tests.sh
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 500c74db746c..d7c30d366935 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -5,6 +5,7 @@ CFLAGS = -Wall -Wl,--no-as-needed -O2 -g
CFLAGS += -I../../../../usr/include/
TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh rtnetlink.sh
+TEST_PROGS += fib_tests.sh
TEST_GEN_FILES = socket
TEST_GEN_FILES += psock_fanout psock_tpacket msg_zerocopy
TEST_GEN_PROGS = reuseport_bpf reuseport_bpf_cpu reuseport_bpf_numa
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
new file mode 100755
index 000000000000..767d2ab2385d
--- /dev/null
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -0,0 +1,146 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# This test is for checking IPv4 and IPv6 FIB behavior in response to
+# different events.
+
+ret=0
+
+check_err()
+{
+ if [ $ret -eq 0 ]; then
+ ret=$1
+ fi
+}
+
+check_fail()
+{
+ if [ $1 -eq 0 ]; then
+ ret=1
+ fi
+}
+
+netns_create()
+{
+ local testns=$1
+
+ ip netns add $testns
+ ip netns exec $testns ip link set dev lo up
+}
+
+fib_unreg_unicast_test()
+{
+ ret=0
+
+ netns_create "testns"
+
+ ip netns exec testns ip link add dummy0 type dummy
+ ip netns exec testns ip link set dev dummy0 up
+
+ ip netns exec testns ip address add 198.51.100.1/24 dev dummy0
+ ip netns exec testns ip -6 address add 2001:db8:1::1/64 dev dummy0
+
+ ip netns exec testns ip route get fibmatch 198.51.100.2 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip link del dev dummy0
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 198.51.100.2 &> /dev/null
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+ check_fail $?
+
+ ip netns del testns
+
+ if [ $ret -ne 0 ]; then
+ echo "FAIL: unicast route test"
+ return 1
+ fi
+ echo "PASS: unicast route test"
+}
+
+fib_unreg_multipath_test()
+{
+ ret=0
+
+ netns_create "testns"
+
+ ip netns exec testns ip link add dummy0 type dummy
+ ip netns exec testns ip link set dev dummy0 up
+
+ ip netns exec testns ip link add dummy1 type dummy
+ ip netns exec testns ip link set dev dummy1 up
+
+ ip netns exec testns ip address add 198.51.100.1/24 dev dummy0
+ ip netns exec testns ip -6 address add 2001:db8:1::1/64 dev dummy0
+
+ ip netns exec testns ip address add 192.0.2.1/24 dev dummy1
+ ip netns exec testns ip -6 address add 2001:db8:2::1/64 dev dummy1
+
+ ip netns exec testns ip route add 203.0.113.0/24 \
+ nexthop via 198.51.100.2 dev dummy0 \
+ nexthop via 192.0.2.2 dev dummy1
+ ip netns exec testns ip -6 route add 2001:db8:3::/64 \
+ nexthop via 2001:db8:1::2 dev dummy0 \
+ nexthop via 2001:db8:2::2 dev dummy1
+
+ ip netns exec testns ip route get fibmatch 203.0.113.1 &> /dev/null
+ check_err $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+ check_err $?
+
+ ip netns exec testns ip link del dev dummy0
+ check_err $?
+
+ ip netns exec testns ip route get fibmatch 203.0.113.1 &> /dev/null
+ check_fail $?
+ ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+ # In IPv6 we do not flush the entire multipath route.
+ check_err $?
+
+ ip netns exec testns ip link del dev dummy1
+
+ ip netns del testns
+
+ if [ $ret -ne 0 ]; then
+ echo "FAIL: multipath route test"
+ return 1
+ fi
+ echo "PASS: multipath route test"
+}
+
+fib_unreg_test()
+{
+ echo "Running netdev unregister tests"
+
+ fib_unreg_unicast_test
+ fib_unreg_multipath_test
+}
+
+fib_test()
+{
+ fib_unreg_test
+}
+
+if [ "$(id -u)" -ne 0 ];then
+ echo "SKIP: Need root privileges"
+ exit 0
+fi
+
+if [ ! -x "$(command -v ip)" ]; then
+ echo "SKIP: Could not run test without ip tool"
+ exit 0
+fi
+
+ip route help 2>&1 | grep -q fibmatch
+if [ $? -ne 0 ]; then
+ echo "SKIP: iproute2 too old, missing fibmatch"
+ exit 0
+fi
+
+fib_test
+
+exit $ret
--
2.14.3
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