selftests: router_bridge_1d_lag: Add a new selftest

Add a selftest to verify that routing through several bridges works when
LAG VLANs are used instead of physical ports, and that routing through LAG
VLANs themselves works as physical ports are de/enslaved.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2023-07-31 17:47:19 +02:00 committed by David S. Miller
parent 3f0c4e70a9
commit 24e84656e4
2 changed files with 409 additions and 0 deletions

View File

@ -65,6 +65,7 @@ TEST_PROGS = bridge_igmp.sh \
q_in_vni.sh \
router_bridge.sh \
router_bridge_1d.sh \
router_bridge_1d_lag.sh \
router_bridge_lag.sh \
router_bridge_vlan.sh \
router_bridge_vlan_upper.sh \

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@ -0,0 +1,408 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# +--------------------------------------------+
# | H1 (vrf) |
# | |
# | + LAG1.100 + LAG1.200 |
# | | 192.0.2.1/28 | 192.0.2.17/28 |
# | | 2001:db8:1::1/64 | 2001:db8:3:1/64 |
# | \___________ _______/ |
# | v |
# | + LAG1 (team) |
# | | |
# | ____^____ |
# | / \ |
# | + $h1 + $h4 |
# | | | |
# +----------|-----------|---------------------+
# | |
# +----------|-----------|---------------------+
# | SW | | |
# | + $swp1 + $swp4 |
# | \____ ____/ |
# | v |
# | LAG2 (team) + |
# | | |
# | _______^______________ |
# | / \ |
# | +------|------------+ +-------|----------+ |
# | | + LAG2.100 | | + LAG2.200 | |
# | | | | | |
# | | BR1 (802.1d) | | BR2 (802.1d) | |
# | | 192.0.2.2/28 | | 192.0.2.18/28 | |
# | | 2001:db8:1::2/64 | | 2001:db8:3:2/64 | |
# | | | | | |
# | +-------------------+ +------------------+ |
# | |
# | + LAG3.100 + LAG3.200 |
# | | 192.0.2.129/28 | 192.0.2.145/28 |
# | | 2001:db8:2::1/64 | 2001:db8:4::1/64 |
# | | | |
# | \_________ ___________/ |
# | v |
# | + LAG3 (team) |
# | ____|____ |
# | / \ |
# | + $swp2 + $swp3 |
# | | | |
# +-------|---------|--------------------------+
# | |
# +-------|---------|--------------------------+
# | | | |
# | + $h2 + $h3 |
# | \____ ___/ |
# | | |
# | + LAG4 (team) |
# | | |
# | __________^__________ |
# | / \ |
# | | | |
# | + LAG4.100 + LAG4.200 |
# | 192.0.2.130/28 192.0.2.146/28 |
# | 2001:db8:2::2/64 2001:db8:4::2/64 |
# | |
# | H2 (vrf) |
# +--------------------------------------------+
ALL_TESTS="
ping_ipv4
ping_ipv6
$(: exercise remastering of LAG2 slaves )
config_deslave_swp4
config_wait
ping_ipv4
ping_ipv6
config_enslave_swp4
config_deslave_swp1
config_wait
ping_ipv4
ping_ipv6
config_deslave_swp4
config_enslave_swp1
config_enslave_swp4
config_wait
ping_ipv4
ping_ipv6
$(: exercise remastering of LAG2 itself )
config_remaster_lag2
config_wait
ping_ipv4
ping_ipv6
$(: exercise remastering of LAG3 slaves )
config_deslave_swp2
config_wait
ping_ipv4
ping_ipv6
config_enslave_swp2
config_deslave_swp3
config_wait
ping_ipv4
ping_ipv6
config_deslave_swp2
config_enslave_swp3
config_enslave_swp2
config_wait
ping_ipv4
ping_ipv6
"
NUM_NETIFS=8
source lib.sh
h1_create()
{
team_create lag1 lacp
ip link set dev lag1 addrgenmode none
ip link set dev lag1 address $(mac_get $h1)
ip link set dev $h1 master lag1
ip link set dev $h4 master lag1
simple_if_init lag1
ip link set dev $h1 up
ip link set dev $h4 up
vlan_create lag1 100 vlag1 192.0.2.1/28 2001:db8:1::1/64
vlan_create lag1 200 vlag1 192.0.2.17/28 2001:db8:3::1/64
ip -4 route add 192.0.2.128/28 vrf vlag1 nexthop via 192.0.2.2
ip -6 route add 2001:db8:2::/64 vrf vlag1 nexthop via 2001:db8:1::2
ip -4 route add 192.0.2.144/28 vrf vlag1 nexthop via 192.0.2.18
ip -6 route add 2001:db8:4::/64 vrf vlag1 nexthop via 2001:db8:3::2
}
h1_destroy()
{
ip -6 route del 2001:db8:4::/64 vrf vlag1
ip -4 route del 192.0.2.144/28 vrf vlag1
ip -6 route del 2001:db8:2::/64 vrf vlag1
ip -4 route del 192.0.2.128/28 vrf vlag1
vlan_destroy lag1 200
vlan_destroy lag1 100
ip link set dev $h4 down
ip link set dev $h1 down
simple_if_fini lag1
ip link set dev $h4 nomaster
ip link set dev $h1 nomaster
team_destroy lag1
}
h2_create()
{
team_create lag4 lacp
ip link set dev lag4 addrgenmode none
ip link set dev lag4 address $(mac_get $h2)
ip link set dev $h2 master lag4
ip link set dev $h3 master lag4
simple_if_init lag4
ip link set dev $h2 up
ip link set dev $h3 up
vlan_create lag4 100 vlag4 192.0.2.130/28 2001:db8:2::2/64
vlan_create lag4 200 vlag4 192.0.2.146/28 2001:db8:4::2/64
ip -4 route add 192.0.2.0/28 vrf vlag4 nexthop via 192.0.2.129
ip -6 route add 2001:db8:1::/64 vrf vlag4 nexthop via 2001:db8:2::1
ip -4 route add 192.0.2.16/28 vrf vlag4 nexthop via 192.0.2.145
ip -6 route add 2001:db8:3::/64 vrf vlag4 nexthop via 2001:db8:4::1
}
h2_destroy()
{
ip -6 route del 2001:db8:3::/64 vrf vlag4
ip -4 route del 192.0.2.16/28 vrf vlag4
ip -6 route del 2001:db8:1::/64 vrf vlag4
ip -4 route del 192.0.2.0/28 vrf vlag4
vlan_destroy lag4 200
vlan_destroy lag4 100
ip link set dev $h3 down
ip link set dev $h2 down
simple_if_fini lag4
ip link set dev $h3 nomaster
ip link set dev $h2 nomaster
team_destroy lag4
}
router_create()
{
team_create lag2 lacp
ip link set dev lag2 addrgenmode none
ip link set dev lag2 address $(mac_get $swp1)
ip link set dev $swp1 master lag2
ip link set dev $swp4 master lag2
vlan_create lag2 100
vlan_create lag2 200
ip link add name br1 type bridge vlan_filtering 0
ip link set dev br1 address $(mac_get lag2.100)
ip link set dev lag2.100 master br1
ip link add name br2 type bridge vlan_filtering 0
ip link set dev br2 address $(mac_get lag2.200)
ip link set dev lag2.200 master br2
ip link set dev $swp1 up
ip link set dev $swp4 up
ip link set dev br1 up
ip link set dev br2 up
__addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64
__addr_add_del br2 add 192.0.2.18/28 2001:db8:3::2/64
team_create lag3 lacp
ip link set dev lag3 addrgenmode none
ip link set dev lag3 address $(mac_get $swp2)
ip link set dev $swp2 master lag3
ip link set dev $swp3 master lag3
ip link set dev $swp2 up
ip link set dev $swp3 up
vlan_create lag3 100
vlan_create lag3 200
__addr_add_del lag3.100 add 192.0.2.129/28 2001:db8:2::1/64
__addr_add_del lag3.200 add 192.0.2.145/28 2001:db8:4::1/64
}
router_destroy()
{
__addr_add_del lag3.200 del 192.0.2.145/28 2001:db8:4::1/64
__addr_add_del lag3.100 del 192.0.2.129/28 2001:db8:2::1/64
vlan_destroy lag3 200
vlan_destroy lag3 100
ip link set dev $swp3 down
ip link set dev $swp2 down
ip link set dev $swp3 nomaster
ip link set dev $swp2 nomaster
team_destroy lag3
__addr_add_del br2 del 192.0.2.18/28 2001:db8:3::2/64
__addr_add_del br1 del 192.0.2.2/28 2001:db8:1::2/64
ip link set dev br2 down
ip link set dev br1 down
ip link set dev $swp4 down
ip link set dev $swp1 down
ip link set dev lag2.200 nomaster
ip link del dev br2
ip link set dev lag2.100 nomaster
ip link del dev br1
vlan_destroy lag2 200
vlan_destroy lag2 100
ip link set dev $swp4 nomaster
ip link set dev $swp1 nomaster
team_destroy lag2
}
config_remaster_lag2()
{
log_info "Remaster bridge slaves"
ip link set dev lag2.200 nomaster
ip link set dev lag2.100 nomaster
sleep 2
ip link set dev lag2.100 master br1
ip link set dev lag2.200 master br2
}
config_deslave()
{
local netdev=$1; shift
log_info "Deslave $netdev"
ip link set dev $netdev down
ip link set dev $netdev nomaster
ip link set dev $netdev up
}
config_deslave_swp1()
{
config_deslave $swp1
}
config_deslave_swp2()
{
config_deslave $swp2
}
config_deslave_swp3()
{
config_deslave $swp3
}
config_deslave_swp4()
{
config_deslave $swp4
}
config_enslave()
{
local netdev=$1; shift
local master=$1; shift
log_info "Enslave $netdev to $master"
ip link set dev $netdev down
ip link set dev $netdev master $master
ip link set dev $netdev up
}
config_enslave_swp1()
{
config_enslave $swp1 lag2
}
config_enslave_swp2()
{
config_enslave $swp2 lag3
}
config_enslave_swp3()
{
config_enslave $swp3 lag3
}
config_enslave_swp4()
{
config_enslave $swp4 lag2
}
config_wait()
{
setup_wait_dev lag2
setup_wait_dev lag3
}
setup_prepare()
{
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
swp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
swp3=${NETIFS[p5]}
h3=${NETIFS[p6]}
h4=${NETIFS[p7]}
swp4=${NETIFS[p8]}
vrf_prepare
h1_create
h2_create
router_create
forwarding_enable
}
cleanup()
{
pre_cleanup
forwarding_restore
router_destroy
h2_destroy
h1_destroy
vrf_cleanup
}
ping_ipv4()
{
ping_test lag1.100 192.0.2.130 ": via 100"
ping_test lag1.200 192.0.2.146 ": via 200"
}
ping_ipv6()
{
ping6_test lag1.100 2001:db8:2::2 ": via 100"
ping6_test lag1.200 2001:db8:4::2 ": via 200"
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS