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kernel/tools/testing/selftests/net/forwarding/vxlan_bridge_1q.sh

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init repo.
2024-07-22 17:22:30 +08:00
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# +-----------------------+ +------------------------+
# | H1 (vrf) | | H2 (vrf) |
# | + $h1.10 | | + $h2.10 |
# | | 192.0.2.1/28 | | | 192.0.2.2/28 |
# | | | | | |
# | | + $h1.20 | | | + $h2.20 |
# | \ | 198.51.100.1/24 | | \ | 198.51.100.2/24 |
# | \| | | \| |
# | + $h1 | | + $h2 |
# +----|------------------+ +----|-------------------+
# | |
# +----|--------------------------------------------------|-------------------+
# | SW | | |
# | +--|--------------------------------------------------|-----------------+ |
# | | + $swp1 BR1 (802.1q) + $swp2 | |
# | | vid 10 vid 10 | |
# | | vid 20 vid 20 | |
# | | | |
# | | + vx10 (vxlan) + vx20 (vxlan) | |
# | | local 192.0.2.17 local 192.0.2.17 | |
# | | remote 192.0.2.34 192.0.2.50 remote 192.0.2.34 192.0.2.50 | |
# | | id 1000 dstport $VXPORT id 2000 dstport $VXPORT | |
# | | vid 10 pvid untagged vid 20 pvid untagged | |
# | +-----------------------------------------------------------------------+ |
# | |
# | 192.0.2.32/28 via 192.0.2.18 |
# | 192.0.2.48/28 via 192.0.2.18 |
# | |
# | + $rp1 |
# | | 192.0.2.17/28 |
# +----|----------------------------------------------------------------------+
# |
# +----|--------------------------------------------------------+
# | | VRP2 (vrf) |
# | + $rp2 |
# | 192.0.2.18/28 |
# | | (maybe) HW
# =============================================================================
# | | (likely) SW
# | + v1 (veth) + v3 (veth) |
# | | 192.0.2.33/28 | 192.0.2.49/28 |
# +----|---------------------------------------|----------------+
# | |
# +----|------------------------------+ +----|------------------------------+
# | + v2 (veth) NS1 (netns) | | + v4 (veth) NS2 (netns) |
# | 192.0.2.34/28 | | 192.0.2.50/28 |
# | | | |
# | 192.0.2.16/28 via 192.0.2.33 | | 192.0.2.16/28 via 192.0.2.49 |
# | 192.0.2.50/32 via 192.0.2.33 | | 192.0.2.34/32 via 192.0.2.49 |
# | | | |
# | +-------------------------------+ | | +-------------------------------+ |
# | | BR2 (802.1q) | | | | BR2 (802.1q) | |
# | | + vx10 (vxlan) | | | | + vx10 (vxlan) | |
# | | local 192.0.2.34 | | | | local 192.0.2.50 | |
# | | remote 192.0.2.17 | | | | remote 192.0.2.17 | |
# | | remote 192.0.2.50 | | | | remote 192.0.2.34 | |
# | | id 1000 dstport $VXPORT | | | | id 1000 dstport $VXPORT | |
# | | vid 10 pvid untagged | | | | vid 10 pvid untagged | |
# | | | | | | | |
# | | + vx20 (vxlan) | | | | + vx20 (vxlan) | |
# | | local 192.0.2.34 | | | | local 192.0.2.50 | |
# | | remote 192.0.2.17 | | | | remote 192.0.2.17 | |
# | | remote 192.0.2.50 | | | | remote 192.0.2.34 | |
# | | id 2000 dstport $VXPORT | | | | id 2000 dstport $VXPORT | |
# | | vid 20 pvid untagged | | | | vid 20 pvid untagged | |
# | | | | | | | |
# | | + w1 (veth) | | | | + w1 (veth) | |
# | | | vid 10 | | | | | vid 10 | |
# | | | vid 20 | | | | | vid 20 | |
# | +--|----------------------------+ | | +--|----------------------------+ |
# | | | | | |
# | +--|----------------------------+ | | +--|----------------------------+ |
# | | + w2 (veth) VW2 (vrf) | | | | + w2 (veth) VW2 (vrf) | |
# | | |\ | | | | |\ | |
# | | | + w2.10 | | | | | + w2.10 | |
# | | | 192.0.2.3/28 | | | | | 192.0.2.4/28 | |
# | | | | | | | | | |
# | | + w2.20 | | | | + w2.20 | |
# | | 198.51.100.3/24 | | | | 198.51.100.4/24 | |
# | +-------------------------------+ | | +-------------------------------+ |
# +-----------------------------------+ +-----------------------------------+
: ${VXPORT:=4789}
export VXPORT
: ${ALL_TESTS:="
ping_ipv4
test_flood
test_unicast
reapply_config
ping_ipv4
test_flood
test_unicast
test_learning
test_pvid
"}
NUM_NETIFS=6
source lib.sh
h1_create()
{
simple_if_init $h1
tc qdisc add dev $h1 clsact
vlan_create $h1 10 v$h1 192.0.2.1/28
vlan_create $h1 20 v$h1 198.51.100.1/24
}
h1_destroy()
{
vlan_destroy $h1 20
vlan_destroy $h1 10
tc qdisc del dev $h1 clsact
simple_if_fini $h1
}
h2_create()
{
simple_if_init $h2
tc qdisc add dev $h2 clsact
vlan_create $h2 10 v$h2 192.0.2.2/28
vlan_create $h2 20 v$h2 198.51.100.2/24
}
h2_destroy()
{
vlan_destroy $h2 20
vlan_destroy $h2 10
tc qdisc del dev $h2 clsact
simple_if_fini $h2
}
rp1_set_addr()
{
ip address add dev $rp1 192.0.2.17/28
ip route add 192.0.2.32/28 nexthop via 192.0.2.18
ip route add 192.0.2.48/28 nexthop via 192.0.2.18
}
rp1_unset_addr()
{
ip route del 192.0.2.48/28 nexthop via 192.0.2.18
ip route del 192.0.2.32/28 nexthop via 192.0.2.18
ip address del dev $rp1 192.0.2.17/28
}
switch_create()
{
ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \
mcast_snooping 0
# Make sure the bridge uses the MAC address of the local port and not
# that of the VxLAN's device.
ip link set dev br1 address $(mac_get $swp1)
ip link set dev br1 up
ip link set dev $rp1 up
rp1_set_addr
ip link add name vx10 type vxlan id 1000 \
local 192.0.2.17 dstport "$VXPORT" \
nolearning noudpcsum tos inherit ttl 100
ip link set dev vx10 up
ip link set dev vx10 master br1
bridge vlan add vid 10 dev vx10 pvid untagged
ip link add name vx20 type vxlan id 2000 \
local 192.0.2.17 dstport "$VXPORT" \
nolearning noudpcsum tos inherit ttl 100
ip link set dev vx20 up
ip link set dev vx20 master br1
bridge vlan add vid 20 dev vx20 pvid untagged
ip link set dev $swp1 master br1
ip link set dev $swp1 up
bridge vlan add vid 10 dev $swp1
bridge vlan add vid 20 dev $swp1
ip link set dev $swp2 master br1
ip link set dev $swp2 up
bridge vlan add vid 10 dev $swp2
bridge vlan add vid 20 dev $swp2
bridge fdb append dev vx10 00:00:00:00:00:00 dst 192.0.2.34 self
bridge fdb append dev vx10 00:00:00:00:00:00 dst 192.0.2.50 self
bridge fdb append dev vx20 00:00:00:00:00:00 dst 192.0.2.34 self
bridge fdb append dev vx20 00:00:00:00:00:00 dst 192.0.2.50 self
}
switch_destroy()
{
bridge fdb del dev vx20 00:00:00:00:00:00 dst 192.0.2.50 self
bridge fdb del dev vx20 00:00:00:00:00:00 dst 192.0.2.34 self
bridge fdb del dev vx10 00:00:00:00:00:00 dst 192.0.2.50 self
bridge fdb del dev vx10 00:00:00:00:00:00 dst 192.0.2.34 self
bridge vlan del vid 20 dev $swp2
bridge vlan del vid 10 dev $swp2
ip link set dev $swp2 down
ip link set dev $swp2 nomaster
bridge vlan del vid 20 dev $swp1
bridge vlan del vid 10 dev $swp1
ip link set dev $swp1 down
ip link set dev $swp1 nomaster
bridge vlan del vid 20 dev vx20
ip link set dev vx20 nomaster
ip link set dev vx20 down
ip link del dev vx20
bridge vlan del vid 10 dev vx10
ip link set dev vx10 nomaster
ip link set dev vx10 down
ip link del dev vx10
rp1_unset_addr
ip link set dev $rp1 down
ip link set dev br1 down
ip link del dev br1
}
vrp2_create()
{
simple_if_init $rp2 192.0.2.18/28
__simple_if_init v1 v$rp2 192.0.2.33/28
__simple_if_init v3 v$rp2 192.0.2.49/28
tc qdisc add dev v1 clsact
}
vrp2_destroy()
{
tc qdisc del dev v1 clsact
__simple_if_fini v3 192.0.2.49/28
__simple_if_fini v1 192.0.2.33/28
simple_if_fini $rp2 192.0.2.18/28
}
ns_init_common()
{
local in_if=$1; shift
local in_addr=$1; shift
local other_in_addr=$1; shift
local nh_addr=$1; shift
local host_addr1=$1; shift
local host_addr2=$1; shift
ip link set dev $in_if up
ip address add dev $in_if $in_addr/28
tc qdisc add dev $in_if clsact
ip link add name br2 type bridge vlan_filtering 1 vlan_default_pvid 0
ip link set dev br2 up
ip link add name w1 type veth peer name w2
ip link set dev w1 master br2
ip link set dev w1 up
bridge vlan add vid 10 dev w1
bridge vlan add vid 20 dev w1
ip link add name vx10 type vxlan id 1000 local $in_addr \
dstport "$VXPORT"
ip link set dev vx10 up
bridge fdb append dev vx10 00:00:00:00:00:00 dst 192.0.2.17 self
bridge fdb append dev vx10 00:00:00:00:00:00 dst $other_in_addr self
ip link set dev vx10 master br2
tc qdisc add dev vx10 clsact
bridge vlan add vid 10 dev vx10 pvid untagged
ip link add name vx20 type vxlan id 2000 local $in_addr \
dstport "$VXPORT"
ip link set dev vx20 up
bridge fdb append dev vx20 00:00:00:00:00:00 dst 192.0.2.17 self
bridge fdb append dev vx20 00:00:00:00:00:00 dst $other_in_addr self
ip link set dev vx20 master br2
tc qdisc add dev vx20 clsact
bridge vlan add vid 20 dev vx20 pvid untagged
simple_if_init w2
vlan_create w2 10 vw2 $host_addr1/28
vlan_create w2 20 vw2 $host_addr2/24
ip route add 192.0.2.16/28 nexthop via $nh_addr
ip route add $other_in_addr/32 nexthop via $nh_addr
}
export -f ns_init_common
ns1_create()
{
ip netns add ns1
ip link set dev v2 netns ns1
in_ns ns1 \
ns_init_common v2 192.0.2.34 192.0.2.50 192.0.2.33 192.0.2.3 \
198.51.100.3
}
ns1_destroy()
{
ip netns exec ns1 ip link set dev v2 netns 1
ip netns del ns1
}
ns2_create()
{
ip netns add ns2
ip link set dev v4 netns ns2
in_ns ns2 \
ns_init_common v4 192.0.2.50 192.0.2.34 192.0.2.49 192.0.2.4 \
198.51.100.4
}
ns2_destroy()
{
ip netns exec ns2 ip link set dev v4 netns 1
ip netns del ns2
}
setup_prepare()
{
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
swp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
rp1=${NETIFS[p5]}
rp2=${NETIFS[p6]}
vrf_prepare
forwarding_enable
h1_create
h2_create
switch_create
ip link add name v1 type veth peer name v2
ip link add name v3 type veth peer name v4
vrp2_create
ns1_create
ns2_create
r1_mac=$(in_ns ns1 mac_get w2)
r2_mac=$(in_ns ns2 mac_get w2)
h2_mac=$(mac_get $h2)
}
cleanup()
{
pre_cleanup
ns2_destroy
ns1_destroy
vrp2_destroy
ip link del dev v3
ip link del dev v1
switch_destroy
h2_destroy
h1_destroy
forwarding_restore
vrf_cleanup
}
# For the first round of tests, vx10 and vx20 were the first devices to get
# attached to the bridge, and that at the point that the local IP is already
# configured. Try the other scenario of attaching these devices to a bridge
# that already has local ports members, and only then assign the local IP.
reapply_config()
{
log_info "Reapplying configuration"
bridge fdb del dev vx20 00:00:00:00:00:00 dst 192.0.2.50 self
bridge fdb del dev vx20 00:00:00:00:00:00 dst 192.0.2.34 self
bridge fdb del dev vx10 00:00:00:00:00:00 dst 192.0.2.50 self
bridge fdb del dev vx10 00:00:00:00:00:00 dst 192.0.2.34 self
ip link set dev vx20 nomaster
ip link set dev vx10 nomaster
rp1_unset_addr
sleep 5
ip link set dev vx10 master br1
bridge vlan add vid 10 dev vx10 pvid untagged
ip link set dev vx20 master br1
bridge vlan add vid 20 dev vx20 pvid untagged
bridge fdb append dev vx10 00:00:00:00:00:00 dst 192.0.2.34 self
bridge fdb append dev vx10 00:00:00:00:00:00 dst 192.0.2.50 self
bridge fdb append dev vx20 00:00:00:00:00:00 dst 192.0.2.34 self
bridge fdb append dev vx20 00:00:00:00:00:00 dst 192.0.2.50 self
rp1_set_addr
sleep 5
}
ping_ipv4()
{
ping_test $h1.10 192.0.2.2 ": local->local vid 10"
ping_test $h1.20 198.51.100.2 ": local->local vid 20"
ping_test $h1.10 192.0.2.3 ": local->remote 1 vid 10"
ping_test $h1.10 192.0.2.4 ": local->remote 2 vid 10"
ping_test $h1.20 198.51.100.3 ": local->remote 1 vid 20"
ping_test $h1.20 198.51.100.4 ": local->remote 2 vid 20"
}
maybe_in_ns()
{
echo ${1:+in_ns} $1
}
__flood_counter_add_del()
{
local add_del=$1; shift
local dev=$1; shift
local ns=$1; shift
# Putting the ICMP capture both to HW and to SW will end up
# double-counting the packets that are trapped to slow path, such as for
# the unicast test. Adding either skip_hw or skip_sw fixes this problem,
# but with skip_hw, the flooded packets are not counted at all, because
# those are dropped due to MAC address mismatch; and skip_sw is a no-go
# for veth-based topologies.
#
# So try to install with skip_sw and fall back to skip_sw if that fails.
$(maybe_in_ns $ns) __icmp_capture_add_del \
$add_del 100 "" $dev skip_sw 2>/dev/null || \
$(maybe_in_ns $ns) __icmp_capture_add_del \
$add_del 100 "" $dev skip_hw
}
flood_counter_install()
{
__flood_counter_add_del add "$@"
}
flood_counter_uninstall()
{
__flood_counter_add_del del "$@"
}
flood_fetch_stat()
{
local dev=$1; shift
local ns=$1; shift
$(maybe_in_ns $ns) tc_rule_stats_get $dev 100 ingress
}
flood_fetch_stats()
{
local counters=("${@}")
local counter
for counter in "${counters[@]}"; do
flood_fetch_stat $counter
done
}
vxlan_flood_test()
{
local mac=$1; shift
local dst=$1; shift
local vid=$1; shift
local -a expects=("${@}")
local -a counters=($h2 "vx10 ns1" "vx20 ns1" "vx10 ns2" "vx20 ns2")
local counter
local key
# Packets reach the local host tagged whereas they reach the VxLAN
# devices untagged. In order to be able to use the same filter for
# all counters, make sure the packets also reach the local host
# untagged
bridge vlan add vid $vid dev $swp2 untagged
for counter in "${counters[@]}"; do
flood_counter_install $counter
done
local -a t0s=($(flood_fetch_stats "${counters[@]}"))
$MZ $h1 -Q $vid -c 10 -d 100msec -p 64 -b $mac -B $dst -t icmp -q
sleep 1
local -a t1s=($(flood_fetch_stats "${counters[@]}"))
for key in ${!t0s[@]}; do
local delta=$((t1s[$key] - t0s[$key]))
local expect=${expects[$key]}
((expect == delta))
check_err $? "${counters[$key]}: Expected to capture $expect packets, got $delta."
done
for counter in "${counters[@]}"; do
flood_counter_uninstall $counter
done
bridge vlan add vid $vid dev $swp2
}
__test_flood()
{
local mac=$1; shift
local dst=$1; shift
local vid=$1; shift
local what=$1; shift
local -a expects=("${@}")
RET=0
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: $what"
}
test_flood()
{
__test_flood de:ad:be:ef:13:37 192.0.2.100 10 "flood vlan 10" \
10 10 0 10 0
__test_flood ca:fe:be:ef:13:37 198.51.100.100 20 "flood vlan 20" \
10 0 10 0 10
}
vxlan_fdb_add_del()
{
local add_del=$1; shift
local vid=$1; shift
local mac=$1; shift
local dev=$1; shift
local dst=$1; shift
bridge fdb $add_del dev $dev $mac self static permanent \
${dst:+dst} $dst 2>/dev/null
bridge fdb $add_del dev $dev $mac master static vlan $vid 2>/dev/null
}
__test_unicast()
{
local mac=$1; shift
local dst=$1; shift
local hit_idx=$1; shift
local vid=$1; shift
local what=$1; shift
RET=0
local -a expects=(0 0 0 0 0)
expects[$hit_idx]=10
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: $what"
}
test_unicast()
{
local -a targets=("$h2_mac $h2"
"$r1_mac vx10 192.0.2.34"
"$r2_mac vx10 192.0.2.50")
local target
log_info "unicast vlan 10"
for target in "${targets[@]}"; do
vxlan_fdb_add_del add 10 $target
done
__test_unicast $h2_mac 192.0.2.2 0 10 "local MAC unicast"
__test_unicast $r1_mac 192.0.2.3 1 10 "remote MAC 1 unicast"
__test_unicast $r2_mac 192.0.2.4 3 10 "remote MAC 2 unicast"
for target in "${targets[@]}"; do
vxlan_fdb_add_del del 10 $target
done
log_info "unicast vlan 20"
targets=("$h2_mac $h2" "$r1_mac vx20 192.0.2.34" \
"$r2_mac vx20 192.0.2.50")
for target in "${targets[@]}"; do
vxlan_fdb_add_del add 20 $target
done
__test_unicast $h2_mac 198.51.100.2 0 20 "local MAC unicast"
__test_unicast $r1_mac 198.51.100.3 2 20 "remote MAC 1 unicast"
__test_unicast $r2_mac 198.51.100.4 4 20 "remote MAC 2 unicast"
for target in "${targets[@]}"; do
vxlan_fdb_add_del del 20 $target
done
}
test_pvid()
{
local -a expects=(0 0 0 0 0)
local mac=de:ad:be:ef:13:37
local dst=192.0.2.100
local vid=10
# Check that flooding works
RET=0
expects[0]=10; expects[1]=10; expects[3]=10
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: flood before pvid off"
# Toggle PVID off and test that flood to remote hosts does not work
RET=0
bridge vlan add vid 10 dev vx10
expects[0]=10; expects[1]=0; expects[3]=0
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: flood after pvid off"
# Toggle PVID on and test that flood to remote hosts does work
RET=0
bridge vlan add vid 10 dev vx10 pvid untagged
expects[0]=10; expects[1]=10; expects[3]=10
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: flood after pvid on"
# Add a new VLAN and test that it does not affect flooding
RET=0
bridge vlan add vid 30 dev vx10
expects[0]=10; expects[1]=10; expects[3]=10
vxlan_flood_test $mac $dst $vid "${expects[@]}"
bridge vlan del vid 30 dev vx10
log_test "VXLAN: flood after vlan add"
# Remove currently mapped VLAN and test that flood to remote hosts does
# not work
RET=0
bridge vlan del vid 10 dev vx10
expects[0]=10; expects[1]=0; expects[3]=0
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: flood after vlan delete"
# Re-add the VLAN and test that flood to remote hosts does work
RET=0
bridge vlan add vid 10 dev vx10 pvid untagged
expects[0]=10; expects[1]=10; expects[3]=10
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: flood after vlan re-add"
}
vxlan_ping_test()
{
local ping_dev=$1; shift
local ping_dip=$1; shift
local ping_args=$1; shift
local capture_dev=$1; shift
local capture_dir=$1; shift
local capture_pref=$1; shift
local expect=$1; shift
local t0=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir)
ping_do $ping_dev $ping_dip "$ping_args"
local t1=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir)
local delta=$((t1 - t0))
# Tolerate a couple stray extra packets.
((expect <= delta && delta <= expect + 2))
check_err $? "$capture_dev: Expected to capture $expect packets, got $delta."
}
__test_learning()
{
local -a expects=(0 0 0 0 0)
local mac=$1; shift
local dst=$1; shift
local vid=$1; shift
local idx1=$1; shift
local idx2=$1; shift
local vx=vx$vid
# Check that flooding works
RET=0
expects[0]=10; expects[$idx1]=10; expects[$idx2]=10
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: flood before learning"
# Send a packet with source mac set to $mac from host w2 and check that
# a corresponding entry is created in the VxLAN device
RET=0
in_ns ns1 $MZ w2 -Q $vid -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff \
-B $dst -t icmp -q
sleep 1
bridge fdb show brport $vx | grep $mac | grep -q self
check_err $?
bridge fdb show brport $vx | grep $mac | grep "vlan $vid" \
| grep -q -v self
check_err $?
log_test "VXLAN: show learned FDB entry"
# Repeat first test and check that packets only reach host w2 in ns1
RET=0
expects[0]=0; expects[$idx1]=10; expects[$idx2]=0
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: learned FDB entry"
# Delete the learned FDB entry from the VxLAN and bridge devices and
# check that packets are flooded
RET=0
bridge fdb del dev $vx $mac master self vlan $vid
sleep 1
expects[0]=10; expects[$idx1]=10; expects[$idx2]=10
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: deletion of learned FDB entry"
# Re-learn the first FDB entry and check that it is correctly aged-out
RET=0
in_ns ns1 $MZ w2 -Q $vid -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff \
-B $dst -t icmp -q
sleep 1
bridge fdb show brport $vx | grep $mac | grep -q self
check_err $?
bridge fdb show brport $vx | grep $mac | grep "vlan $vid" \
| grep -q -v self
check_err $?
expects[0]=0; expects[$idx1]=10; expects[$idx2]=0
vxlan_flood_test $mac $dst $vid "${expects[@]}"
sleep 20
bridge fdb show brport $vx | grep $mac | grep -q self
check_fail $?
bridge fdb show brport $vx | grep $mac | grep "vlan $vid" \
| grep -q -v self
check_fail $?
expects[0]=10; expects[$idx1]=10; expects[$idx2]=10
vxlan_flood_test $mac $dst $vid "${expects[@]}"
log_test "VXLAN: Ageing of learned FDB entry"
# Toggle learning on the bridge port and check that the bridge's FDB
# is populated only when it should
RET=0
ip link set dev $vx type bridge_slave learning off
in_ns ns1 $MZ w2 -Q $vid -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff \
-B $dst -t icmp -q
sleep 1
bridge fdb show brport $vx | grep $mac | grep "vlan $vid" \
| grep -q -v self
check_fail $?
ip link set dev $vx type bridge_slave learning on
in_ns ns1 $MZ w2 -Q $vid -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff \
-B $dst -t icmp -q
sleep 1
bridge fdb show brport $vx | grep $mac | grep "vlan $vid" \
| grep -q -v self
check_err $?
log_test "VXLAN: learning toggling on bridge port"
}
test_learning()
{
local mac=de:ad:be:ef:13:37
local dst=192.0.2.100
local vid=10
# Enable learning on the VxLAN devices and set ageing time to 10 seconds
ip link set dev br1 type bridge ageing_time 1000
ip link set dev vx10 type vxlan ageing 10
ip link set dev vx10 type vxlan learning
ip link set dev vx20 type vxlan ageing 10
ip link set dev vx20 type vxlan learning
reapply_config
log_info "learning vlan 10"
__test_learning $mac $dst $vid 1 3
log_info "learning vlan 20"
mac=ca:fe:be:ef:13:37
dst=198.51.100.100
vid=20
__test_learning $mac $dst $vid 2 4
# Restore previous settings
ip link set dev vx20 type vxlan nolearning
ip link set dev vx20 type vxlan ageing 300
ip link set dev vx10 type vxlan nolearning
ip link set dev vx10 type vxlan ageing 300
ip link set dev br1 type bridge ageing_time 30000
reapply_config
}
test_all()
{
log_info "Running tests with UDP port $VXPORT"
tests_run
}
trap cleanup EXIT
setup_prepare
setup_wait
test_all
exit $EXIT_STATUS
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