| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # Verify that permanent mdb entries can be added to and deleted from bridge |
| # interfaces that are down, and works correctly when done so. |
| |
| ALL_TESTS="add_del_to_port_down" |
| NUM_NETIFS=4 |
| |
| TEST_GROUP="239.10.10.10" |
| TEST_GROUP_MAC="01:00:5e:0a:0a:0a" |
| |
| source lib.sh |
| |
| |
| add_del_to_port_down() { |
| RET=0 |
| |
| ip link set dev $swp2 down |
| bridge mdb add dev br0 port "$swp2" grp $TEST_GROUP permanent 2>/dev/null |
| check_err $? "Failed adding mdb entry" |
| |
| ip link set dev $swp2 up |
| setup_wait_dev $swp2 |
| mcast_packet_test $TEST_GROUP_MAC 192.0.2.1 $TEST_GROUP $h1 $h2 |
| check_fail $? "Traffic to $TEST_GROUP wasn't forwarded" |
| |
| ip link set dev $swp2 down |
| bridge mdb show dev br0 | grep -q "$TEST_GROUP permanent" 2>/dev/null |
| check_err $? "MDB entry did not persist after link up/down" |
| |
| bridge mdb del dev br0 port "$swp2" grp $TEST_GROUP 2>/dev/null |
| check_err $? "Failed deleting mdb entry" |
| |
| ip link set dev $swp2 up |
| setup_wait_dev $swp2 |
| mcast_packet_test $TEST_GROUP_MAC 192.0.2.1 $TEST_GROUP $h1 $h2 |
| check_err $? "Traffic to $TEST_GROUP was forwarded after entry removed" |
| |
| log_test "MDB add/del entry to port with state down " |
| } |
| |
| h1_create() |
| { |
| simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64 |
| } |
| |
| h1_destroy() |
| { |
| simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64 |
| } |
| |
| h2_create() |
| { |
| simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64 |
| } |
| |
| h2_destroy() |
| { |
| simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64 |
| } |
| |
| switch_create() |
| { |
| # Enable multicast filtering |
| ip link add dev br0 type bridge mcast_snooping 1 mcast_querier 1 |
| |
| ip link set dev $swp1 master br0 |
| ip link set dev $swp2 master br0 |
| |
| ip link set dev br0 up |
| ip link set dev $swp1 up |
| |
| bridge link set dev $swp2 mcast_flood off |
| # Bridge currently has a "grace time" at creation time before it |
| # forwards multicast according to the mdb. Since we disable the |
| # mcast_flood setting per port |
| sleep 10 |
| } |
| |
| switch_destroy() |
| { |
| ip link set dev $swp1 down |
| ip link set dev $swp2 down |
| ip link del dev br0 |
| } |
| |
| setup_prepare() |
| { |
| h1=${NETIFS[p1]} |
| swp1=${NETIFS[p2]} |
| |
| swp2=${NETIFS[p3]} |
| h2=${NETIFS[p4]} |
| |
| vrf_prepare |
| |
| h1_create |
| h2_create |
| switch_create |
| } |
| |
| cleanup() |
| { |
| pre_cleanup |
| |
| switch_destroy |
| h1_destroy |
| h2_destroy |
| |
| vrf_cleanup |
| } |
| |
| trap cleanup EXIT |
| |
| setup_prepare |
| tests_run |
| exit $EXIT_STATUS |
