netdev - [PATCH net-next 12/16] selftests: net: bridge: add test for mldv2 exc -> to

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Message-Id: <20201103172412.1044840-13-razor@blackwall.org>
Date:   Tue,  3 Nov 2020 19:24:08 +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 12/16] selftests: net: bridge: add test for mldv2 exc -> to_exclude 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)   TO_EX (A)      EXCLUDE (A-Y,Y*A)    (A-X-Y) =
                                                            Filter Timer
                                                       Delete (X-A)
                                                       Delete (Y-A)
                                                       Send Q(MA,A-Y)
                                                       Filter Timer=MALI

Signed-off-by: Nikolay Aleksandrov <nikolay@...dia.com>
---
 .../selftests/net/forwarding/bridge_mld.sh    | 30 ++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/forwarding/bridge_mld.sh b/tools/testing/selftests/net/forwarding/bridge_mld.sh
index 0f48c8da041b..024fa22fa3c2 100755
--- a/tools/testing/selftests/net/forwarding/bridge_mld.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_mld.sh
@@ -3,7 +3,7 @@
 
 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_is_exclude_test mldv2exc_to_exclude_test"
 NUM_NETIFS=4
 CHECK_TC="yes"
 TEST_GROUP="ff02::cc"
@@ -381,6 +381,34 @@ mldv2exc_is_exclude_test()
 	mldv2cleanup $swp1
 }
 
+mldv2exc_to_exclude_test()
+{
+	RET=0
+	local X=("2001:db8:1::1" "2001:db8:1::30")
+	local Y=("2001:db8:1::20")
+
+	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 $MZPKT_TO_EXC -q
+	sleep 1
+	brmcast_check_sg_entries "to_exclude" "${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 -> to_exclude"
+
+	ip link set dev br0 type bridge mcast_last_member_interval 100
+
+	mldv2cleanup $swp1
+}
+
 trap cleanup EXIT
 
 setup_prepare
-- 
2.25.4