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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Casper Andersson <casper.casan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by
Casper Andersson
and committed by
David S. Miller
0d153dd2
634b215b
+119
+1
tools/testing/selftests/net/forwarding/Makefile
+1
tools/testing/selftests/net/forwarding/Makefile
+118
tools/testing/selftests/net/forwarding/bridge_mdb_port_down.sh
+118
tools/testing/selftests/net/forwarding/bridge_mdb_port_down.sh
···
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Verify that permanent mdb entries can be added to and deleted from bridge
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# interfaces that are down, and works correctly when done so.
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ALL_TESTS="add_del_to_port_down"
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NUM_NETIFS=4
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TEST_GROUP="239.10.10.10"
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TEST_GROUP_MAC="01:00:5e:0a:0a:0a"
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source lib.sh
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add_del_to_port_down() {
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RET=0
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ip link set dev $swp2 down
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bridge mdb add dev br0 port "$swp2" grp $TEST_GROUP permanent 2>/dev/null
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check_err $? "Failed adding mdb entry"
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ip link set dev $swp2 up
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setup_wait_dev $swp2
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mcast_packet_test $TEST_GROUP_MAC 192.0.2.1 $TEST_GROUP $h1 $h2
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check_fail $? "Traffic to $TEST_GROUP wasn't forwarded"
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ip link set dev $swp2 down
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bridge mdb show dev br0 | grep -q "$TEST_GROUP permanent" 2>/dev/null
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check_err $? "MDB entry did not persist after link up/down"
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bridge mdb del dev br0 port "$swp2" grp $TEST_GROUP 2>/dev/null
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check_err $? "Failed deleting mdb entry"
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ip link set dev $swp2 up
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setup_wait_dev $swp2
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mcast_packet_test $TEST_GROUP_MAC 192.0.2.1 $TEST_GROUP $h1 $h2
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check_err $? "Traffic to $TEST_GROUP was forwarded after entry removed"
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log_test "MDB add/del entry to port with state down "
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}
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h1_create()
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{
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simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64
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}
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h1_destroy()
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{
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simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64
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}
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h2_create()
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{
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simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64
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}
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h2_destroy()
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{
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simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64
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}
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switch_create()
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{
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# Enable multicast filtering
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ip link add dev br0 type bridge mcast_snooping 1 mcast_querier 1
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ip link set dev $swp1 master br0
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ip link set dev $swp2 master br0
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ip link set dev br0 up
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ip link set dev $swp1 up
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bridge link set dev $swp2 mcast_flood off
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# Bridge currently has a "grace time" at creation time before it
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# forwards multicast according to the mdb. Since we disable the
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# mcast_flood setting per port
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sleep 10
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}
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switch_destroy()
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{
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ip link set dev $swp1 down
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ip link set dev $swp2 down
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ip link del dev br0
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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swp1=${NETIFS[p2]}
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swp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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vrf_prepare
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h1_create
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h2_create
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switch_create
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}
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cleanup()
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{
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pre_cleanup
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switch_destroy
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h1_destroy
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h2_destroy
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vrf_cleanup
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}
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trap cleanup EXIT
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setup_prepare
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tests_run
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exit $EXIT_STATUS