#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ALL_TESTS="ping_ipv4 ping_ipv6 learning flooding vlan_deletion extern_learn other_tpid"
NUM_NETIFS=4
CHECK_TC="yes"
source lib.sh
h1_create()
{
simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64
}
h1_destroy()
{
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
}
h2_destroy()
{
simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64
}
switch_create()
{
ip link add dev br0 type bridge \
vlan_filtering 1 \
ageing_time $LOW_AGEING_TIME \
mcast_snooping 0
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
}
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
}
ping_ipv4()
{
ping_test $h1 192.0.2.2
}
ping_ipv6()
{
ping6_test $h1 2001:db8:1::2
}
learning()
{
learning_test "br0" $swp1 $h1 $h2
}
flooding()
{
flood_test $swp2 $h1 $h2
}
vlan_deletion()
{
# Test that the deletion of a VLAN on a bridge port does not affect
# the PVID VLAN
log_info "Add and delete a VLAN on bridge port $swp1"
bridge vlan add vid 10 dev $swp1
bridge vlan del vid 10 dev $swp1
ping_ipv4
ping_ipv6
}
extern_learn()
{
local mac=de:ad:be:ef:13:37
local ageing_time
# Test that externally learned FDB entries can roam, but not age out
RET=0
bridge fdb add de:ad:be:ef:13:37 dev $swp1 master extern_learn vlan 1
bridge fdb show brport $swp1 | grep -q de:ad:be:ef:13:37
check_err $? "Did not find FDB entry when should"
# Wait for 10 seconds after the ageing time to make sure the FDB entry
# was not aged out
ageing_time=$(bridge_ageing_time_get br0)
sleep $((ageing_time + 10))
bridge fdb show brport $swp1 | grep -q de:ad:be:ef:13:37
check_err $? "FDB entry was aged out when should not"
$MZ $h2 -c 1 -p 64 -a $mac -t ip -q
bridge fdb show brport $swp2 | grep -q de:ad:be:ef:13:37
check_err $? "FDB entry did not roam when should"
log_test "Externally learned FDB entry - ageing & roaming"
bridge fdb del de:ad:be:ef:13:37 dev $swp2 master vlan 1 &> /dev/null
bridge fdb del de:ad:be:ef:13:37 dev $swp1 master vlan 1 &> /dev/null
}
other_tpid()
{
local mac=de:ad:be:ef:13:37
# Test that packets with TPID 802.1ad VID 3 + TPID 802.1Q VID 5 are
# classified as untagged by a bridge with vlan_protocol 802.1Q, and
# are processed in the PVID of the ingress port (here 1). Not VID 3,
# and not VID 5.
RET=0
tc qdisc add dev $h2 clsact
tc filter add dev $h2 ingress protocol all pref 1 handle 101 \
flower dst_mac $mac action drop
ip link set $h2 promisc on
ethtool -K $h2 rx-vlan-filter off rx-vlan-stag-filter off
$MZ -q $h1 -c 1 -b $mac -a own "88:a8 00:03 81:00 00:05 08:00 aa-aa-aa-aa-aa-aa-aa-aa-aa"
sleep 1
# Match on 'self' addresses as well, for those drivers which
# do not push their learned addresses to the bridge software
# database
bridge -j fdb show $swp1 | \
jq -e ".[] | select(.mac == \"$(mac_get $h1)\") | select(.vlan == 1)" &> /dev/null
check_err $? "FDB entry was not learned when it should"
log_test "FDB entry in PVID for VLAN-tagged with other TPID"
RET=0
tc -j -s filter show dev $h2 ingress \
| jq -e ".[] | select(.options.handle == 101) \
| select(.options.actions[0].stats.packets == 1)" &> /dev/null
check_err $? "Packet was not forwarded when it should"
log_test "Reception of VLAN with other TPID as untagged"
bridge vlan del dev $swp1 vid 1
$MZ -q $h1 -c 1 -b $mac -a own "88:a8 00:03 81:00 00:05 08:00 aa-aa-aa-aa-aa-aa-aa-aa-aa"
sleep 1
RET=0
tc -j -s filter show dev $h2 ingress \
| jq -e ".[] | select(.options.handle == 101) \
| select(.options.actions[0].stats.packets == 1)" &> /dev/null
check_err $? "Packet was forwarded when should not"
log_test "Reception of VLAN with other TPID as untagged (no PVID)"
bridge vlan add dev $swp1 vid 1 pvid untagged
ip link set $h2 promisc off
tc qdisc del dev $h2 clsact
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
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