Merge branch 'selftests-net-bridge-vlan-multicast-tests'

#!/bin/bash

# SPDX-License-Identifier: GPL-2.0

ALL_TESTS="vlmc_control_test vlmc_querier_test vlmc_igmp_mld_version_test \

	   vlmc_last_member_test vlmc_startup_query_test vlmc_membership_test \

	   vlmc_querier_intvl_test vlmc_query_intvl_test vlmc_query_response_intvl_test \

	   vlmc_router_port_test vlmc_filtering_test"

NUM_NETIFS=4

CHECK_TC="yes"

TEST_GROUP="239.10.10.10"

source lib.sh

h1_create()

{

	simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64

	ip link add l $h1 $h1.10 up type vlan id 10

}

h1_destroy()

{

	ip link del $h1.10

	simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64

}

h2_create()

{

	simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64

	ip link add l $h2 $h2.10 up type vlan id 10

}

h2_destroy()

{

	ip link del $h2.10

	simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64

}

switch_create()

{

	ip link add dev br0 type bridge mcast_snooping 1 mcast_querier 1 vlan_filtering 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

	tc qdisc add dev $swp1 clsact

	tc qdisc add dev $swp2 clsact

	bridge vlan add vid 10-11 dev $swp1 master

	bridge vlan add vid 10-11 dev $swp2 master

	ip link set dev br0 type bridge mcast_vlan_snooping 1

	check_err $? "Could not enable global vlan multicast snooping"

	log_test "Vlan multicast snooping enable"

}

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

}

vlmc_v2join_test()

{

	local expect=$1

	RET=0

	ip address add dev $h2.10 $TEST_GROUP/32 autojoin

	check_err $? "Could not join $TEST_GROUP"

	sleep 5

	bridge -j mdb show dev br0 |

		jq -e ".[].mdb[] | select(.grp == \"$TEST_GROUP\" and .vid == 10)" &>/dev/null

	if [ $expect -eq 0 ]; then

		check_err $? "IGMPv2 report didn't create mdb entry for $TEST_GROUP"

	else

		check_fail $? "IGMPv2 report shouldn't have created mdb entry for $TEST_GROUP"

	fi

	# check if we need to cleanup

	if [ $RET -eq 0 ]; then

		ip address del dev $h2.10 $TEST_GROUP/32 2>&1 1>/dev/null

		sleep 5

		bridge -j mdb show dev br0 |

			jq -e ".[].mdb[] | select(.grp == \"$TEST_GROUP\" and \

						  .vid == 10)" &>/dev/null

		check_fail $? "IGMPv2 leave didn't remove mdb entry for $TEST_GROUP"

	fi

}

vlmc_control_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	log_test "Vlan global options existence"

	RET=0

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_snooping == 1) " &>/dev/null

	check_err $? "Wrong default mcast_snooping global option value"

	log_test "Vlan mcast_snooping global option default value"

	RET=0

	vlmc_v2join_test 0

	bridge vlan global set vid 10 dev br0 mcast_snooping 0

	check_err $? "Could not disable multicast snooping in vlan 10"

	vlmc_v2join_test 1

	log_test "Vlan 10 multicast snooping control"

}

# setup for general query counting

vlmc_query_cnt_xstats()

{

	local type=$1

	local version=$2

	local dev=$3

	ip -j link xstats type bridge_slave dev $dev | \

	jq -e ".[].multicast.${type}_queries.tx_v${version}"

}

vlmc_query_cnt_setup()

{

	local type=$1

	local dev=$2

	if [[ $type == "igmp" ]]; then

		tc filter add dev $dev egress pref 10 prot 802.1Q \

			flower vlan_id 10 vlan_ethtype ipv4 dst_ip 224.0.0.1 ip_proto 2 \

			action pass

	else

		tc filter add dev $dev egress pref 10 prot 802.1Q \

			flower vlan_id 10 vlan_ethtype ipv6 dst_ip ff02::1 ip_proto icmpv6 \

			action pass

	fi

	ip link set dev br0 type bridge mcast_stats_enabled 1

}

vlmc_query_cnt_cleanup()

{

	local dev=$1

	ip link set dev br0 type bridge mcast_stats_enabled 0

	tc filter del dev $dev egress pref 10

}

vlmc_check_query()

{

	local type=$1

	local version=$2

	local dev=$3

	local expect=$4

	local time=$5

	local ret=0

	vlmc_query_cnt_setup $type $dev

	local pre_tx_xstats=$(vlmc_query_cnt_xstats $type $version $dev)

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1

	ret=$?

	if [[ $ret -eq 0 ]]; then

		sleep $time

		local tcstats=$(tc_rule_stats_get $dev 10 egress)

		local post_tx_xstats=$(vlmc_query_cnt_xstats $type $version $dev)

		if [[ $tcstats != $expect || \

		      $(($post_tx_xstats-$pre_tx_xstats)) != $expect || \

		      $tcstats != $(($post_tx_xstats-$pre_tx_xstats)) ]]; then

			ret=1

		fi

	fi

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 0

	vlmc_query_cnt_cleanup $dev

	return $ret

}

vlmc_querier_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_querier == 0) " &>/dev/null

	check_err $? "Wrong default mcast_querier global vlan option value"

	log_test "Vlan mcast_querier global option default value"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1

	check_err $? "Could not enable querier in vlan 10"

	log_test "Vlan 10 multicast querier enable"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 0

	RET=0

	vlmc_check_query igmp 2 $swp1 1 1

	check_err $? "No vlan tagged IGMPv2 general query packets sent"

	log_test "Vlan 10 tagged IGMPv2 general query sent"

	RET=0

	vlmc_check_query mld 1 $swp1 1 1

	check_err $? "No vlan tagged MLD general query packets sent"

	log_test "Vlan 10 tagged MLD general query sent"

}

vlmc_igmp_mld_version_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_igmp_version == 2) " &>/dev/null

	check_err $? "Wrong default mcast_igmp_version global vlan option value"

	log_test "Vlan mcast_igmp_version global option default value"

	RET=0

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_mld_version == 1) " &>/dev/null

	check_err $? "Wrong default mcast_mld_version global vlan option value"

	log_test "Vlan mcast_mld_version global option default value"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_igmp_version 3

	check_err $? "Could not set mcast_igmp_version in vlan 10"

	log_test "Vlan 10 mcast_igmp_version option changed to 3"

	RET=0

	vlmc_check_query igmp 3 $swp1 1 1

	check_err $? "No vlan tagged IGMPv3 general query packets sent"

	log_test "Vlan 10 tagged IGMPv3 general query sent"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_mld_version 2

	check_err $? "Could not set mcast_mld_version in vlan 10"

	log_test "Vlan 10 mcast_mld_version option changed to 2"

	RET=0

	vlmc_check_query mld 2 $swp1 1 1

	check_err $? "No vlan tagged MLDv2 general query packets sent"

	log_test "Vlan 10 tagged MLDv2 general query sent"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_igmp_version 2

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_mld_version 1

}

vlmc_last_member_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and \

					    .mcast_last_member_count == 2) " &>/dev/null

	check_err $? "Wrong default mcast_last_member_count global vlan option value"

	log_test "Vlan mcast_last_member_count global option default value"

	RET=0

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and \

					    .mcast_last_member_interval == 100) " &>/dev/null

	check_err $? "Wrong default mcast_last_member_interval global vlan option value"

	log_test "Vlan mcast_last_member_interval global option default value"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_count 3

	check_err $? "Could not set mcast_last_member_count in vlan 10"

	log_test "Vlan 10 mcast_last_member_count option changed to 3"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_count 2

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_interval 200

	check_err $? "Could not set mcast_last_member_interval in vlan 10"

	log_test "Vlan 10 mcast_last_member_interval option changed to 200"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_interval 100

}

vlmc_startup_query_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and \

					    .mcast_startup_query_interval == 3125) " &>/dev/null

	check_err $? "Wrong default mcast_startup_query_interval global vlan option value"

	log_test "Vlan mcast_startup_query_interval global option default value"

	RET=0

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and \

					    .mcast_startup_query_count == 2) " &>/dev/null

	check_err $? "Wrong default mcast_startup_query_count global vlan option value"

	log_test "Vlan mcast_startup_query_count global option default value"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_interval 100

	check_err $? "Could not set mcast_startup_query_interval in vlan 10"

	vlmc_check_query igmp 2 $swp1 2 3

	check_err $? "Wrong number of tagged IGMPv2 general queries sent"

	log_test "Vlan 10 mcast_startup_query_interval option changed to 100"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 3

	check_err $? "Could not set mcast_startup_query_count in vlan 10"

	vlmc_check_query igmp 2 $swp1 3 4

	check_err $? "Wrong number of tagged IGMPv2 general queries sent"

	log_test "Vlan 10 mcast_startup_query_count option changed to 3"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_interval 3125

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 2

}

vlmc_membership_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and \

					    .mcast_membership_interval == 26000) " &>/dev/null

	check_err $? "Wrong default mcast_membership_interval global vlan option value"

	log_test "Vlan mcast_membership_interval global option default value"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_membership_interval 200

	check_err $? "Could not set mcast_membership_interval in vlan 10"

	log_test "Vlan 10 mcast_membership_interval option changed to 200"

	RET=0

	vlmc_v2join_test 1

	log_test "Vlan 10 mcast_membership_interval mdb entry expire"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_membership_interval 26000

}

vlmc_querier_intvl_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and \

					    .mcast_querier_interval == 25500) " &>/dev/null

	check_err $? "Wrong default mcast_querier_interval global vlan option value"

	log_test "Vlan mcast_querier_interval global option default value"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier_interval 100

	check_err $? "Could not set mcast_querier_interval in vlan 10"

	log_test "Vlan 10 mcast_querier_interval option changed to 100"

	RET=0

	ip link add dev br1 type bridge mcast_snooping 1 mcast_querier 1 vlan_filtering 1 \

					mcast_vlan_snooping 1

	bridge vlan add vid 10 dev br1 self pvid untagged

	ip link set dev $h1 master br1

	ip link set dev br1 up

	bridge vlan add vid 10 dev $h1 master

	bridge vlan global set vid 10 dev br1 mcast_snooping 1 mcast_querier 1

	sleep 2

	ip link del dev br1

	ip addr replace 2001:db8:1::1/64 dev $h1

	vlmc_check_query igmp 2 $swp1 1 1

	check_err $? "Wrong number of IGMPv2 general queries after querier interval"

	log_test "Vlan 10 mcast_querier_interval expire after outside query"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier_interval 25500

}

vlmc_query_intvl_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and \

					    .mcast_query_interval == 12500) " &>/dev/null

	check_err $? "Wrong default mcast_query_interval global vlan option value"

	log_test "Vlan mcast_query_interval global option default value"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_interval 200

	check_err $? "Could not set mcast_query_interval in vlan 10"

	# 1 is sent immediately, then 2 more in the next 5 seconds

	vlmc_check_query igmp 2 $swp1 3 5

	check_err $? "Wrong number of tagged IGMPv2 general queries sent"

	log_test "Vlan 10 mcast_query_interval option changed to 200"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 2

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_interval 12500

}

vlmc_query_response_intvl_test()

{

	RET=0

	local goutput=`bridge -j vlan global show`

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null

	check_err $? "Could not find vlan 10's global options"

	echo -n $goutput |

		jq -e ".[].vlans[] | select(.vlan == 10 and \

					    .mcast_query_response_interval == 1000) " &>/dev/null

	check_err $? "Wrong default mcast_query_response_interval global vlan option value"

	log_test "Vlan mcast_query_response_interval global option default value"

	RET=0

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 200

	check_err $? "Could not set mcast_query_response_interval in vlan 10"

	log_test "Vlan 10 mcast_query_response_interval option changed to 200"

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 1000

}

vlmc_router_port_test()

{

	RET=0

	local goutput=`bridge -j -d vlan show`

	echo -n $goutput |

		jq -e ".[] | select(.ifname == \"$swp1\" and \

				    .vlans[].vlan == 10)" &>/dev/null

	check_err $? "Could not find port vlan 10's options"

	echo -n $goutput |

		jq -e ".[] | select(.ifname == \"$swp1\" and \

				    .vlans[].vlan == 10 and \

				    .vlans[].mcast_router == 1)" &>/dev/null

	check_err $? "Wrong default port mcast_router option value"

	log_test "Port vlan 10 option mcast_router default value"

	RET=0

	bridge vlan set vid 10 dev $swp1 mcast_router 2

	check_err $? "Could not set port vlan 10's mcast_router option"

	log_test "Port vlan 10 mcast_router option changed to 2"

	RET=0

	tc filter add dev $swp1 egress pref 10 prot 802.1Q \

		flower vlan_id 10 vlan_ethtype ipv4 dst_ip 239.1.1.1 ip_proto udp action pass

	tc filter add dev $swp2 egress pref 10 prot 802.1Q \

		flower vlan_id 10 vlan_ethtype ipv4 dst_ip 239.1.1.1 ip_proto udp action pass

	bridge vlan set vid 10 dev $swp2 mcast_router 0

	# we need to enable querier and disable query response interval to

	# make sure packets are flooded only to router ports

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1 \

					      mcast_query_response_interval 0

	bridge vlan add vid 10 dev br0 self

	sleep 1

	mausezahn br0 -Q 10 -c 10 -p 128 -b 01:00:5e:01:01:01 -B 239.1.1.1 \

			-t udp "dp=1024" &>/dev/null

	local swp1_tcstats=$(tc_rule_stats_get $swp1 10 egress)

	if [[ $swp1_tcstats != 10 ]]; then

		check_err 1 "Wrong number of vlan 10 multicast packets flooded"

	fi

	local swp2_tcstats=$(tc_rule_stats_get $swp2 10 egress)

	check_err $swp2_tcstats "Vlan 10 multicast packets flooded to non-router port"

	log_test "Flood unknown vlan multicast packets to router port only"

	tc filter del dev $swp2 egress pref 10

	tc filter del dev $swp1 egress pref 10

	bridge vlan del vid 10 dev br0 self

	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 1000

	bridge vlan set vid 10 dev $swp2 mcast_router 1

	bridge vlan set vid 10 dev $swp1 mcast_router 1

}

vlmc_filtering_test()

{

	RET=0

	ip link set dev br0 type bridge vlan_filtering 0

	ip -j -d link show dev bridge | \

	jq -e "select(.[0].linkinfo.info_data.mcast_vlan_snooping == 1)" &>/dev/null

	check_fail $? "Vlan filtering is disabled but multicast vlan snooping is still enabled"

	log_test "Disable multicast vlan snooping when vlan filtering is disabled"

}

trap cleanup EXIT

setup_prepare

setup_wait

tests_run

exit $EXIT_STATUS