netdev - [PATCH net-next 14/16] selftests: net: bridge: add test for mldv2 exc -> block report

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Date:   Tue,  3 Nov 2020 19:24:10 +0200
From:   Nikolay Aleksandrov <razor@...ckwall.org>
To:     netdev@...r.kernel.org
Cc:     roopa@...dia.com, kuba@...nel.org,
        bridge@...ts.linux-foundation.org,
        Nikolay Aleksandrov <nikolay@...dia.com>
Subject: [PATCH net-next 14/16] selftests: net: bridge: add test for mldv2 exc -> block report

From: Nikolay Aleksandrov <nikolay@...dia.com>

The test checks for the following case:
   Router State  Report Received  New Router State     Actions
   EXCLUDE (X,Y)   BLOCK (A)      EXCLUDE (X+(A-Y),Y)  (A-X-Y) =
                                                            Filter Timer
                                                       Send Q(MA,A-Y)

Signed-off-by: Nikolay Aleksandrov <nikolay@...dia.com>
---
 .../selftests/net/forwarding/bridge_mld.sh    | 31 ++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/forwarding/bridge_mld.sh b/tools/testing/selftests/net/forwarding/bridge_mld.sh
index a3c405b2fd6f..c498e51b8d2b 100755
--- a/tools/testing/selftests/net/forwarding/bridge_mld.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_mld.sh
@@ -3,7 +3,8 @@
 
 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_is_exclude_test mldv2exc_to_exclude_test mldv2inc_block_test \
+	   mldv2exc_block_test"
 NUM_NETIFS=4
 CHECK_TC="yes"
 TEST_GROUP="ff02::cc"
@@ -444,6 +445,34 @@ mldv2inc_block_test()
 	mldv2cleanup $swp1
 }
 
+mldv2exc_block_test()
+{
+	RET=0
+	local X=("2001:db8:1::1" "2001:db8:1::2" "2001:db8:1::30")
+	local Y=("2001:db8:1::20" "2001:db8:1::21")
+
+	mldv2exclude_prepare $h1
+
+	ip link set dev br0 type bridge mcast_last_member_interval 500
+	check_err $? "Could not change mcast_last_member_interval to 5s"
+
+	$MZ $h1 -c 1 $MZPKT_BLOCK -q
+	sleep 1
+	brmcast_check_sg_entries "block" "${X[@]}" "${Y[@]}"
+
+	brmcast_check_sg_state 0 "${X[@]}"
+	brmcast_check_sg_state 1 "${Y[@]}"
+
+	brmcast_check_sg_fwding 1 "${X[@]}" 2001:db8:1::100
+	brmcast_check_sg_fwding 0 "${Y[@]}"
+
+	log_test "MLDv2 report $TEST_GROUP exclude -> block"
+
+	ip link set dev br0 type bridge mcast_last_member_interval 100
+
+	mldv2cleanup $swp1
+}
+
 trap cleanup EXIT
 
 setup_prepare
-- 
2.25.4