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Commit fd64d5a2 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
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selftests: forwarding: Add a skeleton of vxlan_bridge_1d 

This skeleton sets up a topology with three VXLAN endpoints: one
"local", possibly offloaded, and two "remote", formed using veth pairs
and likely purely software bridges. The "local" endpoint is connected to
host systems by a VLAN-unaware bridge.

Since VXLAN tunnels must be unique per namespace, each of the "remote"
endpoints is in its own namespace. H3 forms the bridge between the three
domains.
Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d1038cd0
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tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh 0 → 100755
View file @ fd64d5a2
#!/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:="
"}
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
}
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
}
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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