selftests: bridge_mdb: Add MDB bulk deletion test

Add test cases to verify the behavior of the MDB bulk deletion
functionality in the bridge driver.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/forwarding/bridge_mdb.sh b/tools/testing/selftests/net/forwarding/bridge_mdb.sh
index e4e3e9405056e4d042dd9adc8acd602c4f7828df..61348f71728cd54537f49e17b192e08514323b4c 100755 (executable)
--- a/tools/testing/selftests/net/forwarding/bridge_mdb.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_mdb.sh
@@ -803,11 +803,198 @@ cfg_test_dump()
        cfg_test_dump_common "L2" l2_grps_get
 }
 
+# Check flush functionality with different parameters.
+cfg_test_flush()
+{
+       local num_entries
+
+       # Add entries with different attributes and check that they are all
+       # flushed when the flush command is given with no parameters.
+
+       # Different port.
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.1 vid 10
+       bridge mdb add dev br0 port $swp2 grp 239.1.1.2 vid 10
+
+       # Different VLAN ID.
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.3 vid 10
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.4 vid 20
+
+       # Different routing protocol.
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.5 vid 10 proto bgp
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.6 vid 10 proto zebra
+
+       # Different state.
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.7 vid 10 permanent
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.8 vid 10 temp
+
+       bridge mdb flush dev br0
+       num_entries=$(bridge mdb show dev br0 | wc -l)
+       [[ $num_entries -eq 0 ]]
+       check_err $? 0 "Not all entries flushed after flush all"
+
+       # Check that when flushing by port only entries programmed with the
+       # specified port are flushed and the rest are not.
+
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.1 vid 10
+       bridge mdb add dev br0 port $swp2 grp 239.1.1.1 vid 10
+       bridge mdb add dev br0 port br0 grp 239.1.1.1 vid 10
+
+       bridge mdb flush dev br0 port $swp1
+
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port $swp1"
+       check_fail $? "Entry not flushed by specified port"
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port $swp2"
+       check_err $? "Entry flushed by wrong port"
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port br0"
+       check_err $? "Host entry flushed by wrong port"
+
+       bridge mdb flush dev br0 port br0
+
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port br0"
+       check_fail $? "Host entry not flushed by specified port"
+
+       bridge mdb flush dev br0
+
+       # Check that when flushing by VLAN ID only entries programmed with the
+       # specified VLAN ID are flushed and the rest are not.
+
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.1 vid 10
+       bridge mdb add dev br0 port $swp2 grp 239.1.1.1 vid 10
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.1 vid 20
+       bridge mdb add dev br0 port $swp2 grp 239.1.1.1 vid 20
+
+       bridge mdb flush dev br0 vid 10
+
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 &> /dev/null
+       check_fail $? "Entry not flushed by specified VLAN ID"
+       bridge mdb get dev br0 grp 239.1.1.1 vid 20 &> /dev/null
+       check_err $? "Entry flushed by wrong VLAN ID"
+
+       bridge mdb flush dev br0
+
+       # Check that all permanent entries are flushed when "permanent" is
+       # specified and that temporary entries are not.
+
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.1 permanent vid 10
+       bridge mdb add dev br0 port $swp2 grp 239.1.1.1 temp vid 10
+
+       bridge mdb flush dev br0 permanent
+
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port $swp1"
+       check_fail $? "Entry not flushed by \"permanent\" state"
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port $swp2"
+       check_err $? "Entry flushed by wrong state (\"permanent\")"
+
+       bridge mdb flush dev br0
+
+       # Check that all temporary entries are flushed when "nopermanent" is
+       # specified and that permanent entries are not.
+
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.1 permanent vid 10
+       bridge mdb add dev br0 port $swp2 grp 239.1.1.1 temp vid 10
+
+       bridge mdb flush dev br0 nopermanent
+
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port $swp1"
+       check_err $? "Entry flushed by wrong state (\"nopermanent\")"
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port $swp2"
+       check_fail $? "Entry not flushed by \"nopermanent\" state"
+
+       bridge mdb flush dev br0
+
+       # Check that L2 host entries are not flushed when "nopermanent" is
+       # specified, but flushed when "permanent" is specified.
+
+       bridge mdb add dev br0 port br0 grp 01:02:03:04:05:06 permanent vid 10
+
+       bridge mdb flush dev br0 nopermanent
+
+       bridge mdb get dev br0 grp 01:02:03:04:05:06 vid 10 &> /dev/null
+       check_err $? "L2 host entry flushed by wrong state (\"nopermanent\")"
+
+       bridge mdb flush dev br0 permanent
+
+       bridge mdb get dev br0 grp 01:02:03:04:05:06 vid 10 &> /dev/null
+       check_fail $? "L2 host entry not flushed by \"permanent\" state"
+
+       bridge mdb flush dev br0
+
+       # Check that IPv4 host entries are not flushed when "permanent" is
+       # specified, but flushed when "nopermanent" is specified.
+
+       bridge mdb add dev br0 port br0 grp 239.1.1.1 temp vid 10
+
+       bridge mdb flush dev br0 permanent
+
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 &> /dev/null
+       check_err $? "IPv4 host entry flushed by wrong state (\"permanent\")"
+
+       bridge mdb flush dev br0 nopermanent
+
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 &> /dev/null
+       check_fail $? "IPv4 host entry not flushed by \"nopermanent\" state"
+
+       bridge mdb flush dev br0
+
+       # Check that IPv6 host entries are not flushed when "permanent" is
+       # specified, but flushed when "nopermanent" is specified.
+
+       bridge mdb add dev br0 port br0 grp ff0e::1 temp vid 10
+
+       bridge mdb flush dev br0 permanent
+
+       bridge mdb get dev br0 grp ff0e::1 vid 10 &> /dev/null
+       check_err $? "IPv6 host entry flushed by wrong state (\"permanent\")"
+
+       bridge mdb flush dev br0 nopermanent
+
+       bridge mdb get dev br0 grp ff0e::1 vid 10 &> /dev/null
+       check_fail $? "IPv6 host entry not flushed by \"nopermanent\" state"
+
+       bridge mdb flush dev br0
+
+       # Check that when flushing by routing protocol only entries programmed
+       # with the specified routing protocol are flushed and the rest are not.
+
+       bridge mdb add dev br0 port $swp1 grp 239.1.1.1 vid 10 proto bgp
+       bridge mdb add dev br0 port $swp2 grp 239.1.1.1 vid 10 proto zebra
+       bridge mdb add dev br0 port br0 grp 239.1.1.1 vid 10
+
+       bridge mdb flush dev br0 proto bgp
+
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port $swp1"
+       check_fail $? "Entry not flushed by specified routing protocol"
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port $swp2"
+       check_err $? "Entry flushed by wrong routing protocol"
+       bridge mdb get dev br0 grp 239.1.1.1 vid 10 | grep -q "port br0"
+       check_err $? "Host entry flushed by wrong routing protocol"
+
+       bridge mdb flush dev br0
+
+       # Test that an error is returned when trying to flush using unsupported
+       # parameters.
+
+       bridge mdb flush dev br0 src_vni 10 &> /dev/null
+       check_fail $? "Managed to flush by source VNI"
+
+       bridge mdb flush dev br0 dst 198.51.100.1 &> /dev/null
+       check_fail $? "Managed to flush by destination IP"
+
+       bridge mdb flush dev br0 dst_port 4789 &> /dev/null
+       check_fail $? "Managed to flush by UDP destination port"
+
+       bridge mdb flush dev br0 vni 10 &> /dev/null
+       check_fail $? "Managed to flush by destination VNI"
+
+       log_test "Flush tests"
+}
+
 cfg_test()
 {
        cfg_test_host
        cfg_test_port
        cfg_test_dump
+       cfg_test_flush
 }
 
 __fwd_test_host_ip()
@@ -1166,8 +1353,8 @@ ctrl_test()
        ctrl_mldv2_is_in_test
 }
 
-if ! bridge mdb help 2>&1 | grep -q "get"; then
-       echo "SKIP: iproute2 too old, missing bridge mdb get support"
+if ! bridge mdb help 2>&1 | grep -q "flush"; then
+       echo "SKIP: iproute2 too old, missing bridge mdb flush support"
        exit $ksft_skip
 fi