FM / forwarding

/usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/forwarding/

/usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/forwarding

Name	Size	Mode	Actions
bridge_igmp.sh	15152	0755	edit dl rm
bridge_mld.sh	16563	0755	edit dl rm
bridge_port_isolation.sh	2378	0755	edit dl rm
bridge_sticky_fdb.sh	1159	0755	edit dl rm
bridge_vlan_aware.sh	2524	0755	edit dl rm
bridge_vlan_unaware.sh	1248	0755	edit dl rm
custom_multipath_hash.sh	9993	0755	edit dl rm
devlink_lib.sh	13118	0644	edit dl rm
dual_vxlan_bridge.sh	11439	0755	edit dl rm
ethtool.sh	6745	0755	edit dl rm
ethtool_extended_state.sh	1923	0755	edit dl rm
ethtool_lib.sh	2815	0644	edit dl rm
fib_offload_lib.sh	25157	0644	edit dl rm
gre_custom_multipath_hash.sh	12768	0755	edit dl rm
gre_inner_v4_multipath.sh	7730	0755	edit dl rm
gre_inner_v6_multipath.sh	7843	0755	edit dl rm
gre_multipath.sh	6439	0755	edit dl rm
gre_multipath_nh.sh	9301	0755	edit dl rm
gre_multipath_nh_res.sh	9491	0755	edit dl rm
ip6gre_custom_multipath_hash.sh	13038	0755	edit dl rm
ip6gre_inner_v4_multipath.sh	7956	0755	edit dl rm
ip6gre_inner_v6_multipath.sh	8069	0755	edit dl rm
ip6_forward_instats_vrf.sh	3092	0755	edit dl rm
ipip_flat_gre.sh	838	0755	edit dl rm
ipip_flat_gre_key.sh	860	0755	edit dl rm
ipip_flat_gre_keys.sh	886	0755	edit dl rm
ipip_hier_gre.sh	887	0755	edit dl rm
ipip_hier_gre_key.sh	910	0755	edit dl rm
ipip_hier_gre_keys.sh	938	0755	edit dl rm
ipip_lib.sh	8557	0644	edit dl rm
lib.sh	28668	0644	edit dl rm
loopback.sh	1589	0755	edit dl rm
Makefile	1718	0644	edit dl rm
mirror_gre.sh	3366	0755	edit dl rm
mirror_gre_bound.sh	5929	0755	edit dl rm
mirror_gre_bridge_1d.sh	4504	0755	edit dl rm
mirror_gre_bridge_1d_vlan.sh	2717	0755	edit dl rm
mirror_gre_bridge_1q.sh	4380	0755	edit dl rm
mirror_gre_bridge_1q_lag.sh	7485	0755	edit dl rm
mirror_gre_changes.sh	5824	0755	edit dl rm
mirror_gre_flower.sh	2891	0755	edit dl rm
mirror_gre_lag_lacp.sh	7458	0755	edit dl rm
mirror_gre_lib.sh	2565	0644	edit dl rm
mirror_gre_neigh.sh	2338	0755	edit dl rm
mirror_gre_nh.sh	2974	0755	edit dl rm
mirror_gre_topo_lib.sh	3524	0644	edit dl rm
mirror_gre_vlan.sh	1715	0755	edit dl rm
mirror_gre_vlan_bridge_1q.sh	9117	0755	edit dl rm
mirror_lib.sh	2964	0644	edit dl rm
mirror_topo_lib.sh	2758	0644	edit dl rm
mirror_vlan.sh	2303	0755	edit dl rm
pedit_dsfield.sh	6789	0755	edit dl rm
pedit_l4port.sh	4564	0755	edit dl rm
q_in_vni.sh	10926	0755	edit dl rm
router.sh	6322	0755	edit dl rm
router_bridge.sh	1794	0755	edit dl rm
router_bridge_vlan.sh	2108	0755	edit dl rm
router_broadcast.sh	5142	0755	edit dl rm
router_mpath_nh.sh	9828	0755	edit dl rm
router_mpath_nh_res.sh	10223	0755	edit dl rm
router_multicast.sh	11597	0755	edit dl rm
router_multipath.sh	8449	0755	edit dl rm
router_nh.sh	2627	0755	edit dl rm
router_vid_1.sh	2153	0755	edit dl rm
sch_ets.sh	781	0755	edit dl rm
sch_ets_core.sh	7456	0644	edit dl rm
sch_ets_tests.sh	4044	0644	edit dl rm
sch_red.sh	11358	0755	edit dl rm
sch_tbf_core.sh	5140	0644	edit dl rm
sch_tbf_ets.sh	118	0755	edit dl rm
sch_tbf_etsprio.sh	711	0644	edit dl rm
sch_tbf_prio.sh	118	0755	edit dl rm
sch_tbf_root.sh	422	0755	edit dl rm
skbedit_priority.sh	3901	0755	edit dl rm
tc_actions.sh	6606	0755	edit dl rm
tc_chains.sh	4945	0755	edit dl rm
tc_common.sh	524	0644	edit dl rm
tc_flower.sh	21752	0755	edit dl rm
tc_flower_router.sh	3096	0755	edit dl rm
tc_mpls_l2vpn.sh	5146	0755	edit dl rm
tc_police.sh	12111	0755	edit dl rm
tc_shblocks.sh	2748	0755	edit dl rm
tc_vlan_modify.sh	3246	0755	edit dl rm
vxlan_asymmetric.sh	17978	0755	edit dl rm
vxlan_bridge_1d.sh	21064	0755	edit dl rm
vxlan_bridge_1d_port_8472.sh	172	0755	edit dl rm
vxlan_bridge_1q.sh	24053	0755	edit dl rm
vxlan_bridge_1q_port_8472.sh	172	0755	edit dl rm
vxlan_symmetric.sh	18488	0755	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/forwarding/dual_vxlan_bridge.sh (11439B)

#!/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

cmd: