| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| ALL_TESTS="reportleave_test" |
| NUM_NETIFS=4 |
| CHECK_TC="yes" |
| TEST_GROUP="239.10.10.10" |
| TEST_GROUP_MAC="01:00:5e:0a:0a:0a" |
| source lib.sh |
| |
| 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() |
| { |
| 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 |
| ip link set dev $swp2 up |
| } |
| |
| switch_destroy() |
| { |
| ip link set dev $swp2 down |
| ip link set dev $swp1 down |
| |
| ip link del dev br0 |
| } |
| |
| setup_prepare() |
| { |
| h1=${NETIFS[p1]} |
| swp1=${NETIFS[p2]} |
| |
| swp2=${NETIFS[p3]} |
| h2=${NETIFS[p4]} |
| |
| vrf_prepare |
| |
| h1_create |
| h2_create |
| |
| switch_create |
| } |
| |
| cleanup() |
| { |
| pre_cleanup |
| |
| switch_destroy |
| |
| # Always cleanup the mcast group |
| ip address del dev $h2 $TEST_GROUP/32 2>&1 1>/dev/null |
| |
| h2_destroy |
| h1_destroy |
| |
| vrf_cleanup |
| } |
| |
| # return 0 if the packet wasn't seen on host2_if or 1 if it was |
| mcast_packet_test() |
| { |
| local mac=$1 |
| local ip=$2 |
| local host1_if=$3 |
| local host2_if=$4 |
| local seen=0 |
| |
| # Add an ACL on `host2_if` which will tell us whether the packet |
| # was received by it or not. |
| tc qdisc add dev $host2_if ingress |
| tc filter add dev $host2_if ingress protocol ip pref 1 handle 101 \ |
| flower dst_mac $mac action drop |
| |
| $MZ $host1_if -c 1 -p 64 -b $mac -B $ip -t udp "dp=4096,sp=2048" -q |
| sleep 1 |
| |
| tc -j -s filter show dev $host2_if ingress \ |
| | jq -e ".[] | select(.options.handle == 101) \ |
| | select(.options.actions[0].stats.packets == 1)" &> /dev/null |
| if [[ $? -eq 0 ]]; then |
| seen=1 |
| fi |
| |
| tc filter del dev $host2_if ingress protocol ip pref 1 handle 101 flower |
| tc qdisc del dev $host2_if ingress |
| |
| return $seen |
| } |
| |
| reportleave_test() |
| { |
| RET=0 |
| ip address add dev $h2 $TEST_GROUP/32 autojoin |
| check_err $? "Could not join $TEST_GROUP" |
| |
| sleep 5 |
| bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null |
| check_err $? "Report didn't create mdb entry for $TEST_GROUP" |
| |
| mcast_packet_test $TEST_GROUP_MAC $TEST_GROUP $h1 $h2 |
| check_fail $? "Traffic to $TEST_GROUP wasn't forwarded" |
| |
| log_test "IGMP report $TEST_GROUP" |
| |
| RET=0 |
| bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null |
| check_err $? "mdb entry for $TEST_GROUP is missing" |
| |
| ip address del dev $h2 $TEST_GROUP/32 |
| check_err $? "Could not leave $TEST_GROUP" |
| |
| sleep 5 |
| bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null |
| check_fail $? "Leave didn't delete mdb entry for $TEST_GROUP" |
| |
| mcast_packet_test $TEST_GROUP_MAC $TEST_GROUP $h1 $h2 |
| check_err $? "Traffic to $TEST_GROUP was forwarded without mdb entry" |
| |
| log_test "IGMP leave $TEST_GROUP" |
| } |
| |
| trap cleanup EXIT |
| |
| setup_prepare |
| setup_wait |
| |
| tests_run |
| |
| exit $EXIT_STATUS |
