selftests: net: bridge: add test for igmpv3 exclude timeout

Test that when a group in exclude mode expires it changes mode to
include and the blocked entries are deleted.
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

tools/testing/selftests/net/forwarding/bridge_igmp.sh

@@ -3,7 +3,8 @@
 
 ALL_TESTS="v2reportleave_test v3include_test v3inc_allow_test v3inc_is_include_test \
 	   v3inc_is_exclude_test v3inc_to_exclude_test v3exc_allow_test v3exc_is_include_test \
-	   v3exc_is_exclude_test v3exc_to_exclude_test v3inc_block_test v3exc_block_test"
+	   v3exc_is_exclude_test v3exc_to_exclude_test v3inc_block_test v3exc_block_test \
+	   v3exc_timeout_test"
 NUM_NETIFS=4
 CHECK_TC="yes"
 TEST_GROUP="239.10.10.10"
@@ -574,6 +575,52 @@ v3exc_block_test()
 	v3cleanup $swp1 $TEST_GROUP
 }
 
+v3exc_timeout_test()
+{
+	RET=0
+	local X=("192.0.2.20" "192.0.2.30")
+
+	# GMI should be 3 seconds
+	ip link set dev br0 type bridge mcast_query_interval 100 mcast_query_response_interval 100
+
+	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
+	ip link set dev br0 type bridge mcast_query_interval 500 mcast_query_response_interval 500
+	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_ALLOW2" -q
+	sleep 3
+	bridge -j -d -s mdb show dev br0 \
+		| jq -e ".[].mdb[] | \
+			 select(.grp == \"$TEST_GROUP\" and \
+				.source_list != null and .filter_mode == \"include\")" &>/dev/null
+	check_err $? "Wrong *,G entry filter mode"
+
+	bridge -j -d -s mdb show dev br0 \
+		| jq -e ".[].mdb[] | \
+			 select(.grp == \"$TEST_GROUP\" and \
+				.source_list != null and
+				.source_list[].address == \"192.0.2.1\")" &>/dev/null
+	check_fail $? "Wrong *,G entry source list, 192.0.2.1 entry still exists"
+	bridge -j -d -s mdb show dev br0 \
+		| jq -e ".[].mdb[] | \
+			 select(.grp == \"$TEST_GROUP\" and \
+				.source_list != null and
+				.source_list[].address == \"192.0.2.2\")" &>/dev/null
+	check_fail $? "Wrong *,G entry source list, 192.0.2.2 entry still exists"
+
+	check_sg_entries "allow" "${X[@]}"
+
+	check_sg_state 0 "${X[@]}"
+
+	check_sg_fwding 1 "${X[@]}"
+	check_sg_fwding 0 192.0.2.100
+
+	log_test "IGMPv3 group $TEST_GROUP exclude timeout"
+
+	ip link set dev br0 type bridge mcast_query_interval 12500 \
+					mcast_query_response_interval 1000
+
+	v3cleanup $swp1 $TEST_GROUP
+}
+
 trap cleanup EXIT
 
 setup_prepare