Commit 444c8971 authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by Jakub Kicinski
Browse files

selftests: net: bridge: add initial MLDv2 include test 



Add the initial setup for MLDv2 tests with the first test of a simple
is_include report. For MLDv2 we need to setup the bridge properly and we
also send the full precooked packets instead of relying on mausezahn to
fill in some parts. For verification we use the generic S,G state checking
functions from lib.sh.

Signed-off-by: default avatarNikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 95e6f430

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

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+146 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



ALL_TESTS="mldv2include_test"

NUM_NETIFS=4

CHECK_TC="yes"

TEST_GROUP="ff02::cc"

TEST_GROUP_MAC="33:33:00:00:00:cc"



# MLDv2 is_in report: grp ff02::cc is_include 2001:db8:1::1,2001:db8:1::2,2001:db8:1::3

MZPKT_IS_INC="33:33:00:00:00:01:fe:54:00:04:5e:ba:86:dd:60:0a:2d:ae:00:54:00:01:fe:80:00:\

00:00:00:00:00:fc:54:00:ff:fe:04:5e:ba:ff:02:00:00:00:00:00:00:00:00:00:00:00:00:00:01:3a:\

00:05:02:00:00:00:00:8f:00:8e:d9:00:00:00:01:01:00:00:03:ff:02:00:00:00:00:00:00:00:00:00:\

00:00:00:00:cc:20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:01:20:01:0d:b8:00:01:00:00:00:\

00:00:00:00:00:00:02:20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:03"



source lib.sh



h1_create()

{

	simple_if_init $h1 2001:db8:1::1/64

}



h1_destroy()

{

	simple_if_fini $h1 2001:db8:1::1/64

}



h2_create()

{

	simple_if_init $h2 2001:db8:1::2/64

}



h2_destroy()

{

	simple_if_fini $h2 2001:db8:1::2/64

}



switch_create()

{

	ip link add dev br0 type bridge mcast_snooping 1 mcast_query_response_interval 100 \

					mcast_mld_version 2 mcast_startup_query_interval 300 \

					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



	# make sure a query has been generated

	sleep 5

}



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



	h2_destroy

	h1_destroy



	vrf_cleanup

}



mldv2include_prepare()

{

	local host1_if=$1

	local X=("2001:db8:1::1" "2001:db8:1::2" "2001:db8:1::3")



	ip link set dev br0 type bridge mcast_mld_version 2

	check_err $? "Could not change bridge MLD version to 2"



	$MZ $host1_if $MZPKT_IS_INC -q

	sleep 1

	bridge -j -d -s mdb show dev br0 \

		| jq -e ".[].mdb[] | \

			 select(.grp == \"$TEST_GROUP\" and .source_list != null)" &>/dev/null

	check_err $? "Missing *,G entry with source list"

	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"

	brmcast_check_sg_entries "is_include" "${X[@]}"

}



mldv2cleanup()

{

	local port=$1



	bridge mdb del dev br0 port $port grp $TEST_GROUP

	ip link set dev br0 type bridge mcast_mld_version 1

}



mldv2include_test()

{

	RET=0

	local X=("2001:db8:1::1" "2001:db8:1::2" "2001:db8:1::3")



	mldv2include_prepare $h1



	brmcast_check_sg_state 0 "${X[@]}"



	brmcast_check_sg_fwding 1 "${X[@]}"

	brmcast_check_sg_fwding 0 "2001:db8:1::100"



	log_test "MLDv2 report $TEST_GROUP is_include"



	mldv2cleanup $swp1

}



trap cleanup EXIT



setup_prepare

setup_wait



tests_run



exit $EXIT_STATUS

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