Commit 0d153dd2 authored by Casper Andersson's avatar Casper Andersson Committed by David S. Miller

selftest: net: bridge mdb add/del entry to port that is down

Tests that permanent mdb entries can be added/deleted on ports with state down.
Signed-off-by: default avatarCasper Andersson <casper.casan@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 634b215b
...@@ -3,6 +3,7 @@ ...@@ -3,6 +3,7 @@
TEST_PROGS = bridge_igmp.sh \ TEST_PROGS = bridge_igmp.sh \
bridge_locked_port.sh \ bridge_locked_port.sh \
bridge_mdb.sh \ bridge_mdb.sh \
bridge_mdb_port_down.sh \
bridge_mld.sh \ bridge_mld.sh \
bridge_port_isolation.sh \ bridge_port_isolation.sh \
bridge_sticky_fdb.sh \ bridge_sticky_fdb.sh \
......
#!/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
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