selftests: net: bridge: add test for mldv2 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>

diff --git a/tools/testing/selftests/net/forwarding/bridge_mld.sh b/tools/testing/selftests/net/forwarding/bridge_mld.sh
index c498e51..b34cf4c 100755 (executable)
--- a/tools/testing/selftests/net/forwarding/bridge_mld.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_mld.sh
@@ -4,7 +4,7 @@
 ALL_TESTS="mldv2include_test mldv2inc_allow_test mldv2inc_is_include_test mldv2inc_is_exclude_test \
           mldv2inc_to_exclude_test mldv2exc_allow_test mldv2exc_is_include_test \
           mldv2exc_is_exclude_test mldv2exc_to_exclude_test mldv2inc_block_test \
-          mldv2exc_block_test"
+          mldv2exc_block_test mldv2exc_timeout_test"
 NUM_NETIFS=4
 CHECK_TC="yes"
 TEST_GROUP="ff02::cc"
@@ -473,6 +473,52 @@ mldv2exc_block_test()
        mldv2cleanup $swp1
 }
 
+mldv2exc_timeout_test()
+{
+       RET=0
+       local X=("2001:db8:1::20" "2001:db8:1::30")
+
+       # GMI should be 3 seconds
+       ip link set dev br0 type bridge mcast_query_interval 100 mcast_query_response_interval 100
+
+       mldv2exclude_prepare $h1
+       ip link set dev br0 type bridge mcast_query_interval 500 mcast_query_response_interval 500
+       $MZ $h1 -c 1 $MZPKT_ALLOW2 -q
+       sleep 3
+       bridge -j -d -s mdb show dev br0 \
+               | jq -e ".[].mdb[] | \
+                        select(.grp == \"$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 == \"2001:db8:1::1\")" &>/dev/null
+       check_fail $? "Wrong *,G entry source list, 2001:db8:1::1 entry still exists"
+       bridge -j -d -s mdb show dev br0 \
+               | jq -e ".[].mdb[] | \
+                        select(.grp == \"$TEST_GROUP\" and \
+                               .source_list != null and
+                               .source_list[].address == \"2001:db8:1::2\")" &>/dev/null
+       check_fail $? "Wrong *,G entry source list, 2001:db8:1::2 entry still exists"
+
+       brmcast_check_sg_entries "allow" "${X[@]}"
+
+       brmcast_check_sg_state 0 "${X[@]}"
+
+       brmcast_check_sg_fwding 1 "${X[@]}"
+       brmcast_check_sg_fwding 0 2001:db8:1::100
+
+       log_test "MLDv2 group $TEST_GROUP exclude timeout"
+
+       ip link set dev br0 type bridge mcast_query_interval 12500 \
+                                       mcast_query_response_interval 1000
+
+       mldv2cleanup $swp1
+}
+
 trap cleanup EXIT
 
 setup_prepare