Commit 35f15ab3 authored by Amit Cohen's avatar Amit Cohen Committed by David S. Miller
Browse files

selftests: forwarding: Add test for dual VxLAN bridge 



Configure VxLAN with an 802.1ad bridge and VxLAN with an 802.1d bridge
at the same time in same switch, verify that traffic passed as expected.

Signed-off-by: default avatarAmit Cohen <amcohen@nvidia.com>
Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bf677bd2

tools/testing/selftests/net/forwarding/dual_vxlan_bridge.sh

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#!/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

	# 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