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selftests: fib_tests: Add test cases for netdev carrier change

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Check that IPv4 and IPv6 react the same when the carrier of a netdev is
toggled. Local routes should not be affected by this, whereas unicast
routes should.

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 12:45:18 +02:00 committed by David S. Miller
parent 5adb7683b4
commit 82e45b6fd2
1 changed files with 142 additions and 0 deletions
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142
tools/testing/selftests/net/fib_tests.sh
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@ -260,10 +260,152 @@ fib_down_test()
fib_down_multipath_test
}
fib_carrier_local_test()
{
ret=0
# Local routes should not be affected when carrier changes.
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 set dev dummy0 carrier on
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 198.51.100.1 &> /dev/null
check_err $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:1::1 &> /dev/null
check_err $?
ip netns exec testns ip route get fibmatch 198.51.100.1 | \
grep -q "linkdown"
check_fail $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:1::1 | \
grep -q "linkdown"
check_fail $?
ip netns exec testns ip link set dev dummy0 carrier off
ip netns exec testns ip route get fibmatch 198.51.100.1 &> /dev/null
check_err $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:1::1 &> /dev/null
check_err $?
ip netns exec testns ip route get fibmatch 198.51.100.1 | \
grep -q "linkdown"
check_fail $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:1::1 | \
grep -q "linkdown"
check_fail $?
ip netns exec testns ip address add 192.0.2.1/24 dev dummy0
ip netns exec testns ip -6 address add 2001:db8:2::1/64 dev dummy0
ip netns exec testns ip route get fibmatch 192.0.2.1 &> /dev/null
check_err $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:2::1 &> /dev/null
check_err $?
ip netns exec testns ip route get fibmatch 192.0.2.1 | \
grep -q "linkdown"
check_fail $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:2::1 | \
grep -q "linkdown"
check_fail $?
ip netns exec testns ip link del dev dummy0
ip netns del testns
if [ $ret -ne 0 ]; then
echo "FAIL: local route carrier test"
return 1
fi
echo "PASS: local route carrier test"
}
fib_carrier_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 link set dev dummy0 carrier on
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 route get fibmatch 198.51.100.2 | \
grep -q "linkdown"
check_fail $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 | \
grep -q "linkdown"
check_fail $?
ip netns exec testns ip link set dev dummy0 carrier off
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 route get fibmatch 198.51.100.2 | \
grep -q "linkdown"
check_err $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:1::2 | \
grep -q "linkdown"
check_err $?
ip netns exec testns ip address add 192.0.2.1/24 dev dummy0
ip netns exec testns ip -6 address add 2001:db8:2::1/64 dev dummy0
ip netns exec testns ip route get fibmatch 192.0.2.2 &> /dev/null
check_err $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:2::2 &> /dev/null
check_err $?
ip netns exec testns ip route get fibmatch 192.0.2.2 | \
grep -q "linkdown"
check_err $?
ip netns exec testns ip -6 route get fibmatch 2001:db8:2::2 | \
grep -q "linkdown"
check_err $?
ip netns exec testns ip link del dev dummy0
ip netns del testns
if [ $ret -ne 0 ]; then
echo "FAIL: unicast route carrier test"
return 1
fi
echo "PASS: unicast route carrier test"
}
fib_carrier_test()
{
echo "Running netdev carrier change tests"
fib_carrier_local_test
fib_carrier_unicast_test
}
fib_test()
{
fib_unreg_test
fib_down_test
fib_carrier_test
}
if [ "$(id -u)" -ne 0 ];then