#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# +--------------------+ +----------------------+
# | H1 (vrf) | | H2 (vrf) |
# | + h1.10 | | + h2.20 |
# | | 192.0.2.1/28 | | | 192.0.2.2/28 |
# | | | | | |
# | + $h1 | | + $h2 |
# | | | | | |
# +----|---------------+ +--|-------------------+
# | |
# +----|--------------------------------------------------|--------------------+
# | SW | | |
# | +--|-------------------------------+ +----------------|------------------+ |
# | | + $swp1 BR1 (802.1ad) | | BR2 (802.1d) + $swp2 | |
# | | vid 100 pvid untagged | | | | |
# | | | | + $swp2.20 | |
# | | | | | |
# | | + vx100 (vxlan) | | + vx200 (vxlan) | |
# | | local 192.0.2.17 | | local 192.0.2.17 | |
# | | remote 192.0.2.34 | | remote 192.0.2.50 | |
# | | id 1000 dstport $VXPORT | | id 2000 dstport $VXPORT | |
# | | vid 100 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 |
# | | | |
# | +-------------------------------+ | | +-------------------------------+ |
# | | BR3 (802.1ad) | | | | BR3 (802.1d) | |
# | | + vx100 (vxlan) | | | | + vx200 (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 2000 dstport $VXPORT | |
# | | vid 100 pvid untagged | | | | | |
# | | | | | | + w1.20 | |
# | | | | | | | | |
# | | + w1 (veth) | | | | + w1 (veth) | |
# | | | vid 100 pvid untagged | | | | | | |
# | +--|----------------------------+ | | +--|----------------------------+ |
# | | | | | |
# | +--|----------------------------+ | | +--|----------------------------+ |
# | | | VW2 (vrf) | | | | | VW2 (vrf) | |
# | | + w2 (veth) | | | | + w2 (veth) | |
# | | | | | | | | | |
# | | | | | | | | | |
# | | + w2.10 | | | | + w2.20 | |
# | | 192.0.2.3/28 | | | | 192.0.2.4/28 | |
# | +-------------------------------+ | | +-------------------------------+ |
# +-----------------------------------+ +-----------------------------------+
: ${VXPORT:=4789}
export VXPORT
: ${ALL_TESTS:="
ping_ipv4
"}
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
}
h1_destroy()
{
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 $h2 20 v$h2 192.0.2.2/28
}
h2_destroy()
{
vlan_destroy $h2 20
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()
{
#### BR1 ####
ip link add name br1 type bridge vlan_filtering 1 \
vlan_protocol 802.1ad vlan_default_pvid 0 mcast_snooping 0
ip link set dev br1 addrgenmode none
# 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
#### BR2 ####
ip link add name br2 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 br2 address $(mac_get $swp2)
ip link set dev br2 up
ip link set dev $rp1 up
rp1_set_addr
#### VX100 ####
ip link add name vx100 type vxlan id 1000 local 192.0.2.17 \
dstport "$VXPORT" nolearning noudpcsum tos inherit ttl 100
ip link set dev vx100 up
ip link set dev vx100 master br1
bridge vlan add vid 100 dev vx100 pvid untagged
ip link set dev $swp1 master br1
ip link set dev $swp1 up
bridge vlan add vid 100 dev $swp1 pvid untagged
#### VX200 ####
ip link add name vx200 type vxlan id 2000 local 192.0.2.17 \
dstport "$VXPORT" nolearning noudpcsum tos inherit ttl 100
ip link set dev vx200 up
ip link set dev vx200 master br2
ip link set dev $swp2 up
ip link add name $swp2.20 link $swp2 type vlan id 20
ip link set dev $swp2.20 master br2
ip link set dev $swp2.20 up
bridge fdb append dev vx100 00:00:00:00:00:00 dst 192.0.2.34 self
bridge fdb append dev vx200 00:00:00:00:00:00 dst 192.0.2.50 self
}
switch_destroy()
{
bridge fdb del dev vx200 00:00:00:00:00:00 dst 192.0.2.50 self
bridge fdb del dev vx100 00:00:00:00:00:00 dst 192.0.2.34 self
ip link set dev vx200 nomaster
ip link set dev vx200 down
ip link del dev vx200
ip link del dev $swp2.20
ip link set dev $swp2 down
ip link set dev $swp2 nomaster
bridge vlan del vid 100 dev $swp1
ip link set dev $swp1 down
ip link set dev $swp1 nomaster
ip link set dev vx100 nomaster
ip link set dev vx100 down
ip link del dev vx100
rp1_unset_addr
ip link set dev $rp1 down
ip link set dev br2 down
ip link del dev br2
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 vxlan_name=$1; shift
local vxlan_id=$1; shift
local vlan_id=$1; shift
local host_addr=$1; shift
local nh_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 br3 type bridge vlan_filtering 0
ip link set dev br3 up
ip link add name w1 type veth peer name w2
ip link set dev w1 master br3
ip link set dev w1 up
ip link add name $vxlan_name type vxlan id $vxlan_id local $in_addr \
dstport "$VXPORT"
ip link set dev $vxlan_name up
bridge fdb append dev $vxlan_name 00:00:00:00:00:00 dst 192.0.2.17 self
bridge fdb append dev $vxlan_name 00:00:00:00:00:00 dst $other_in_addr self
ip link set dev $vxlan_name master br3
tc qdisc add dev $vxlan_name clsact
simple_if_init w2
vlan_create w2 $vlan_id vw2 $host_addr/28
ip route add 192.0.2.16/28 nexthop via $nh_addr
ip route add $other_in_addr/32 nexthop via $nh_addr
}
export -f ns_init_common
ns1_create()
{
ip netns add ns1
ip link set dev v2 netns ns1
in_ns ns1 \
ns_init_common v2 192.0.2.34 192.0.2.50 vx100 1000 10 192.0.2.3 \
192.0.2.33
in_ns ns1 bridge vlan add vid 100 dev vx100 pvid untagged
}
ns1_destroy()
{
ip netns exec ns1 ip link set dev v2 netns 1
ip netns del ns1
}
ns2_create()
{
ip netns add ns2
ip link set dev v4 netns ns2
in_ns ns2 \
ns_init_common v4 192.0.2.50 192.0.2.34 vx200 2000 20 192.0.2.4 \
192.0.2.49
in_ns ns2 ip link add name w1.20 link w1 type vlan id 20
in_ns ns2 ip link set dev w1.20 master br3
in_ns ns2 ip link set dev w1.20 up
}
ns2_destroy()
{
ip netns exec ns2 ip link set dev v4 netns 1
ip netns del ns2
}
setup_prepare()
{
h1=${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
}
ping_ipv4()
{
ping_test $h1 192.0.2.3 ": local->remote 1 through VxLAN with an 802.1ad bridge"
ping_test $h2 192.0.2.4 ": local->remote 2 through VxLAN with an 802.1d bridge"
}
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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