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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@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Ido Schimmel 2018-01-07 12:45:16 +02:00 committed by David S. Miller
parent 1de178edc7
commit 607bd2e502
2 changed files with 147 additions and 0 deletions
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1
tools/testing/selftests/net/Makefile
View File

@ -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

146
tools/testing/selftests/net/fib_tests.sh 100755
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@ -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