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selftests: fib_tests: Add test cases for netdev down 

Check that IPv4 and IPv6 react the same when a netdev is being put
administratively down.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2018-01-07 12:45:17 +02:00 committed by David S. Miller
parent 607bd2e502
commit 5adb7683b4
1 changed files with 141 additions and 0 deletions
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141
tools/testing/selftests/net/fib_tests.sh
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@ -120,9 +120,150 @@ fib_unreg_test()
fib_unreg_multipath_test
}
fib_down_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 set dev dummy0 down
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 exec testns ip link del dev dummy0
ip netns del testns
if [ $ret -ne 0 ]; then
echo "FAIL: unicast route test"
return 1
fi
echo "PASS: unicast route test"
}
fib_down_multipath_test_do()
{
local down_dev=$1
local up_dev=$2
ip netns exec testns ip route get fibmatch 203.0.113.1 \
oif $down_dev &> /dev/null
check_fail $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 \
oif $down_dev &> /dev/null
check_fail $?
ip netns exec testns ip route get fibmatch 203.0.113.1 \
oif $up_dev &> /dev/null
check_err $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 \
oif $up_dev &> /dev/null
check_err $?
ip netns exec testns ip route get fibmatch 203.0.113.1 | \
grep $down_dev | grep -q "dead linkdown"
check_err $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 | \
grep $down_dev | grep -q "dead linkdown"
check_err $?
ip netns exec testns ip route get fibmatch 203.0.113.1 | \
grep $up_dev | grep -q "dead linkdown"
check_fail $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:3::1 | \
grep $up_dev | grep -q "dead linkdown"
check_fail $?
}
fib_down_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 set dev dummy0 down
check_err $?
fib_down_multipath_test_do "dummy0" "dummy1"
ip netns exec testns ip link set dev dummy0 up
check_err $?
ip netns exec testns ip link set dev dummy1 down
check_err $?
fib_down_multipath_test_do "dummy1" "dummy0"
ip netns exec testns ip link set dev dummy0 down
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
check_fail $?
ip netns exec testns ip link del dev dummy1
ip netns exec testns ip link del dev dummy0
ip netns del testns
if [ $ret -ne 0 ]; then
echo "FAIL: multipath route test"
return 1
fi
echo "PASS: multipath route test"
}
fib_down_test()
{
echo "Running netdev down tests"
fib_down_unicast_test
fib_down_multipath_test
}
fib_test()
{
fib_unreg_test
fib_down_test
}
if [ "$(id -u)" -ne 0 ];then