OSCL-LXR linux-6.0.1/​tools/​testing/​selftests/​net/​forwarding/​vxlan_bridge_1d.sh	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 
 # +--------------------+                               +----------------------+
 # | H1 (vrf)           |                               |             H2 (vrf) |
 # |    + $h1           |                               |  + $h2               |
 # |    | 192.0.2.1/28  |                               |  | 192.0.2.2/28      |
 # +----|---------------+                               +--|-------------------+
 #      |                                                  |
 # +----|--------------------------------------------------|-------------------+
 # | SW |                                                  |                   |
 # | +--|--------------------------------------------------|-----------------+ |
 # | |  + $swp1                   BR1 (802.1d)             + $swp2           | |
 # | |                                                                       | |
 # | |  + vx1 (vxlan)                                                        | |
 # | |    local 192.0.2.17                                                   | |
 # | |    remote 192.0.2.34 192.0.2.50                                       | |
 # | |    id 1000 dstport $VXPORT                                            | |
 # | +-----------------------------------------------------------------------+ |
 # |                                                                           |
 # |  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 (802.1d) | |   | |                  BR2 (802.1d) | |
 # | |  + vx2 (vxlan)                | |   | |  + vx2 (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    | |
 # | |                               | |   | |                               | |
 # | |  + w1 (veth)                  | |   | |  + w1 (veth)                  | |
 # | +--|----------------------------+ |   | +--|----------------------------+ |
 # |    |                              |   |    |                              |
 # | +--|----------------------------+ |   | +--|----------------------------+ |
 # | |  |                  VW2 (vrf) | |   | |  |                  VW2 (vrf) | |
 # | |  + w2 (veth)                  | |   | |  + w2 (veth)                  | |
 # | |    192.0.2.3/28               | |   | |    192.0.2.4/28               | |
 # | +-------------------------------+ |   | +-------------------------------+ |
 # +-----------------------------------+   +-----------------------------------+
 
 : ${VXPORT:=4789}
 export VXPORT
 
 : ${ALL_TESTS:="
         ping_ipv4
         test_flood
         test_unicast
         test_ttl
         test_tos
         test_ecn_encap
         test_ecn_decap
         reapply_config
         ping_ipv4
         test_flood
         test_unicast
         test_learning
     "}
 
 NUM_NETIFS=6
 source lib.sh
 
 h1_create()
 {
         simple_if_init $h1 192.0.2.1/28
         tc qdisc add dev $h1 clsact
 }
 
 h1_destroy()
 {
         tc qdisc del dev $h1 clsact
         simple_if_fini $h1 192.0.2.1/28
 }
 
 h2_create()
 {
         simple_if_init $h2 192.0.2.2/28
         tc qdisc add dev $h2 clsact
 }
 
 h2_destroy()
 {
         tc qdisc del dev $h2 clsact
         simple_if_fini $h2 192.0.2.2/28
 }
 
 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 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 vx1 type vxlan id 1000         \
                 local 192.0.2.17 dstport "$VXPORT"      \
                 nolearning noudpcsum tos inherit ttl 100
         ip link set dev vx1 up
 
         ip link set dev vx1 master br1
         ip link set dev $swp1 master br1
         ip link set dev $swp1 up
 
         ip link set dev $swp2 master br1
         ip link set dev $swp2 up
 
         bridge fdb append dev vx1 00:00:00:00:00:00 dst 192.0.2.34 self
         bridge fdb append dev vx1 00:00:00:00:00:00 dst 192.0.2.50 self
 }
 
 switch_destroy()
 {
         rp1_unset_addr
         ip link set dev $rp1 down
 
         bridge fdb del dev vx1 00:00:00:00:00:00 dst 192.0.2.50 self
         bridge fdb del dev vx1 00:00:00:00:00:00 dst 192.0.2.34 self
 
         ip link set dev vx1 nomaster
         ip link set dev vx1 down
         ip link del dev vx1
 
         ip link set dev $swp2 down
         ip link set dev $swp2 nomaster
 
         ip link set dev $swp1 down
         ip link set dev $swp1 nomaster
 
         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_addr=$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 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
 
         ip link add name vx2 type vxlan id 1000 local $in_addr dstport "$VXPORT"
         ip link set dev vx2 up
         bridge fdb append dev vx2 00:00:00:00:00:00 dst 192.0.2.17 self
         bridge fdb append dev vx2 00:00:00:00:00:00 dst $other_in_addr self
 
         ip link set dev vx2 master br2
         tc qdisc add dev vx2 clsact
 
         simple_if_init w2 $host_addr/28
 
         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
 }
 
 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
 }
 
 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, vx1 is the first device to get attached to the
 # bridge, and that at the point that the local IP is already configured. Try the
 # other scenario of attaching the device to an already-offloaded bridge, and
 # only then attach the local IP.
 reapply_config()
 {
         echo "Reapplying configuration"
 
         bridge fdb del dev vx1 00:00:00:00:00:00 dst 192.0.2.50 self
         bridge fdb del dev vx1 00:00:00:00:00:00 dst 192.0.2.34 self
         rp1_unset_addr
         ip link set dev vx1 nomaster
         sleep 5
 
         ip link set dev vx1 master br1
         bridge fdb append dev vx1 00:00:00:00:00:00 dst 192.0.2.34 self
         bridge fdb append dev vx1 00:00:00:00:00:00 dst 192.0.2.50 self
         sleep 1
         rp1_set_addr
         sleep 5
 }
 
 ping_ipv4()
 {
         ping_test $h1 192.0.2.2 ": local->local"
         ping_test $h1 192.0.2.3 ": local->remote 1"
         ping_test $h1 192.0.2.4 ": local->remote 2"
 }
 
 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=$1; shift
         local -a expects=("${@}")
 
         local -a counters=($h2 "vx2 ns1" "vx2 ns2")
         local counter
         local key
 
         for counter in "${counters[@]}"; do
                 flood_counter_install $counter
         done
 
         local -a t0s=($(flood_fetch_stats "${counters[@]}"))
         $MZ $h1 -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
 }
 
 __test_flood()
 {
         local mac=$1; shift
         local dst=$1; shift
         local what=$1; shift
 
         RET=0
 
         vxlan_flood_test $mac $dst 10 10 10
 
         log_test "VXLAN: $what"
 }
 
 test_flood()
 {
         __test_flood de:ad:be:ef:13:37 192.0.2.100 "flood"
 }
 
 vxlan_fdb_add_del()
 {
         local add_del=$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 2>/dev/null
 }
 
 __test_unicast()
 {
         local mac=$1; shift
         local dst=$1; shift
         local hit_idx=$1; shift
         local what=$1; shift
 
         RET=0
 
         local -a expects=(0 0 0)
         expects[$hit_idx]=10
 
         vxlan_flood_test $mac $dst "${expects[@]}"
 
         log_test "VXLAN: $what"
 }
 
 test_unicast()
 {
         local -a targets=("$h2_mac $h2"
                           "$r1_mac vx1 192.0.2.34"
                           "$r2_mac vx1 192.0.2.50")
         local target
 
         for target in "${targets[@]}"; do
                 vxlan_fdb_add_del add $target
         done
 
         __test_unicast $h2_mac 192.0.2.2 0 "local MAC unicast"
         __test_unicast $r1_mac 192.0.2.3 1 "remote MAC 1 unicast"
         __test_unicast $r2_mac 192.0.2.4 2 "remote MAC 2 unicast"
 
         for target in "${targets[@]}"; do
                 vxlan_fdb_add_del del $target
         done
 }
 
 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_ttl()
 {
         RET=0
 
         tc filter add dev v1 egress pref 77 prot ip \
                 flower ip_ttl 99 action pass
         vxlan_ping_test $h1 192.0.2.3 "" v1 egress 77 10
         tc filter del dev v1 egress pref 77 prot ip
 
         log_test "VXLAN: envelope TTL"
 }
 
 test_tos()
 {
         RET=0
 
         tc filter add dev v1 egress pref 77 prot ip \
                 flower ip_tos 0x14 action pass
         vxlan_ping_test $h1 192.0.2.3 "-Q 0x14" v1 egress 77 10
         vxlan_ping_test $h1 192.0.2.3 "-Q 0x18" v1 egress 77 0
         tc filter del dev v1 egress pref 77 prot ip
 
         log_test "VXLAN: envelope TOS inheritance"
 }
 
 __test_ecn_encap()
 {
         local q=$1; shift
         local tos=$1; shift
 
         RET=0
 
         tc filter add dev v1 egress pref 77 prot ip \
                 flower ip_tos $tos action pass
         sleep 1
         vxlan_ping_test $h1 192.0.2.3 "-Q $q" v1 egress 77 10
         tc filter del dev v1 egress pref 77 prot ip
 
         log_test "VXLAN: ECN encap: $q->$tos"
 }
 
 test_ecn_encap()
 {
         # In accordance with INET_ECN_encapsulate()
         __test_ecn_encap 0x00 0x00
         __test_ecn_encap 0x01 0x01
         __test_ecn_encap 0x02 0x02
         __test_ecn_encap 0x03 0x02
 }
 
 vxlan_encapped_ping_do()
 {
         local count=$1; shift
         local dev=$1; shift
         local next_hop_mac=$1; shift
         local dest_ip=$1; shift
         local dest_mac=$1; shift
         local inner_tos=$1; shift
         local outer_tos=$1; shift
 
         $MZ $dev -c $count -d 100msec -q \
                 -b $next_hop_mac -B $dest_ip \
                 -t udp tos=$outer_tos,sp=23456,dp=$VXPORT,p=$(:
                     )"08:"$(                      : VXLAN flags
                     )"00:00:00:"$(                : VXLAN reserved
                     )"00:03:e8:"$(                : VXLAN VNI
                     )"00:"$(                      : VXLAN reserved
                     )"$dest_mac:"$(               : ETH daddr
                     )"$(mac_get w2):"$(           : ETH saddr
                     )"08:00:"$(                   : ETH type
                     )"45:"$(                      : IP version + IHL
                     )"$inner_tos:"$(              : IP TOS
                     )"00:54:"$(                   : IP total length
                     )"99:83:"$(                   : IP identification
                     )"40:00:"$(                   : IP flags + frag off
                     )"40:"$(                      : IP TTL
                     )"01:"$(                      : IP proto
                     )"00:00:"$(                   : IP header csum
                     )"c0:00:02:03:"$(             : IP saddr: 192.0.2.3
                     )"c0:00:02:01:"$(             : IP daddr: 192.0.2.1
                     )"08:"$(                      : ICMP type
                     )"00:"$(                      : ICMP code
                     )"8b:f2:"$(                   : ICMP csum
                     )"1f:6a:"$(                   : ICMP request identifier
                     )"00:01:"$(                   : ICMP request sequence number
                     )"4f:ff:c5:5b:00:00:00:00:"$( : ICMP payload
                     )"6d:74:0b:00:00:00:00:00:"$( :
                     )"10:11:12:13:14:15:16:17:"$( :
                     )"18:19:1a:1b:1c:1d:1e:1f:"$( :
                     )"20:21:22:23:24:25:26:27:"$( :
                     )"28:29:2a:2b:2c:2d:2e:2f:"$( :
                     )"30:31:32:33:34:35:36:37"
 }
 export -f vxlan_encapped_ping_do
 
 vxlan_encapped_ping_test()
 {
         local ping_dev=$1; shift
         local nh_dev=$1; shift
         local ping_dip=$1; shift
         local inner_tos=$1; shift
         local outer_tos=$1; shift
         local stat_get=$1; shift
         local expect=$1; shift
 
         local t0=$($stat_get)
 
         in_ns ns1 \
                 vxlan_encapped_ping_do 10 $ping_dev $(mac_get $nh_dev) \
                         $ping_dip $(mac_get $h1) \
                         $inner_tos $outer_tos
 
         local t1=$($stat_get)
         local delta=$((t1 - t0))
 
         # Tolerate a couple stray extra packets.
         ((expect <= delta && delta <= expect + 2))
         check_err $? "Expected to capture $expect packets, got $delta."
 }
 export -f vxlan_encapped_ping_test
 
 __test_ecn_decap()
 {
         local orig_inner_tos=$1; shift
         local orig_outer_tos=$1; shift
         local decapped_tos=$1; shift
 
         RET=0
 
         tc filter add dev $h1 ingress pref 77 prot ip \
                 flower ip_tos $decapped_tos action drop
         sleep 1
         vxlan_encapped_ping_test v2 v1 192.0.2.17 \
                                  $orig_inner_tos $orig_outer_tos \
                                  "tc_rule_stats_get $h1 77 ingress" 10
         tc filter del dev $h1 ingress pref 77
 
         log_test "VXLAN: ECN decap: $orig_outer_tos/$orig_inner_tos->$decapped_tos"
 }
 
 test_ecn_decap_error()
 {
         local orig_inner_tos=00
         local orig_outer_tos=03
 
         RET=0
 
         vxlan_encapped_ping_test v2 v1 192.0.2.17 \
                                  $orig_inner_tos $orig_outer_tos \
                                  "link_stats_rx_errors_get vx1" 10
 
         log_test "VXLAN: ECN decap: $orig_outer_tos/$orig_inner_tos->error"
 }
 
 test_ecn_decap()
 {
         # In accordance with INET_ECN_decapsulate()
         __test_ecn_decap 00 00 0x00
         __test_ecn_decap 00 01 0x00
         __test_ecn_decap 00 02 0x00
         # 00 03 is tested in test_ecn_decap_error()
         __test_ecn_decap 01 00 0x01
         __test_ecn_decap 01 01 0x01
         __test_ecn_decap 01 02 0x01
         __test_ecn_decap 01 03 0x03
         __test_ecn_decap 02 00 0x02
         __test_ecn_decap 02 01 0x01
         __test_ecn_decap 02 02 0x02
         __test_ecn_decap 02 03 0x03
         __test_ecn_decap 03 00 0x03
         __test_ecn_decap 03 01 0x03
         __test_ecn_decap 03 02 0x03
         __test_ecn_decap 03 03 0x03
         test_ecn_decap_error
 }
 
 test_learning()
 {
         local mac=de:ad:be:ef:13:37
         local dst=192.0.2.100
 
         # Enable learning on the VxLAN device and set ageing time to 10 seconds
         ip link set dev br1 type bridge ageing_time 1000
         ip link set dev vx1 type vxlan ageing 10
         ip link set dev vx1 type vxlan learning
         reapply_config
 
         # Check that flooding works
         RET=0
 
         vxlan_flood_test $mac $dst 10 10 10
 
         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 VxLAN device vx1
         RET=0
 
         in_ns ns1 $MZ w2 -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff -B $dst \
                 -t icmp -q
         sleep 1
 
         bridge fdb show brport vx1 | grep $mac | grep -q self
         check_err $?
         bridge fdb show brport vx1 | grep $mac | 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
 
         vxlan_flood_test $mac $dst 0 10 0
 
         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 vx1 $mac master self
         sleep 1
 
         vxlan_flood_test $mac $dst 10 10 10
 
         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 -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff -B $dst \
                 -t icmp -q
         sleep 1
 
         bridge fdb show brport vx1 | grep $mac | grep -q self
         check_err $?
         bridge fdb show brport vx1 | grep $mac | grep -q -v self
         check_err $?
 
         vxlan_flood_test $mac $dst 0 10 0
 
         sleep 20
 
         bridge fdb show brport vx1 | grep $mac | grep -q self
         check_fail $?
         bridge fdb show brport vx1 | grep $mac | grep -q -v self
         check_fail $?
 
         vxlan_flood_test $mac $dst 10 10 10
 
         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 vx1 type bridge_slave learning off
 
         in_ns ns1 $MZ w2 -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff -B $dst \
                 -t icmp -q
         sleep 1
 
         bridge fdb show brport vx1 | grep $mac | grep -q -v self
         check_fail $?
 
         ip link set dev vx1 type bridge_slave learning on
 
         in_ns ns1 $MZ w2 -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff -B $dst \
                 -t icmp -q
         sleep 1
 
         bridge fdb show brport vx1 | grep $mac | grep -q -v self
         check_err $?
 
         log_test "VXLAN: learning toggling on bridge port"
 
         # Restore previous settings
         ip link set dev vx1 type vxlan nolearning
         ip link set dev vx1 type vxlan ageing 300
         ip link set dev br1 type bridge ageing_time 30000
         reapply_config
 }
 
 test_all()
 {
         echo "Running tests with UDP port $VXPORT"
         tests_run
 }
 
 trap cleanup EXIT
 
 setup_prepare
 setup_wait
 test_all
 
 exit $EXIT_STATUS

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