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selftests: router_bridge_1d: Add a new selftest
Add a selftest to verify that routing through a 1d bridge works when VLAN upper of a physical port is used instead of a physical port. Also verify that when a port is attached to an already-configured bridge, the configuration is applied. Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Danielle Ratson <danieller@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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‎tools/testing/selftests/net/forwarding/Makefile‎

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@@ -64,6 +64,7 @@ TEST_PROGS = bridge_igmp.sh \
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q_in_vni_ipv6.sh \
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q_in_vni.sh \
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router_bridge.sh \
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router_bridge_1d.sh \
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router_bridge_vlan.sh \
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router_bridge_pvid_vlan_upper.sh \
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router_bridge_vlan_upper_pvid.sh \

‎tools/testing/selftests/net/forwarding/router_bridge_1d.sh‎

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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# +---------------------------------------------+ +----------------------+
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# | H1 (vrf) | | H2 (vrf) |
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# | + $h1.100 + $h1.200 | | + $h2 |
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# | | 192.0.2.1/28 | 192.0.2.17/28 | | | 192.0.2.130/28 |
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# | | 2001:db8:1::1/64 | 2001:db8:3::1/64 | | | 192.0.2.146/28 |
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# | \_________ __________/ | | | 2001:db8:2::2/64 |
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# | V | | | 2001:db8:4::2/64 |
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# | + $h1 | | | |
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# +--------------|------------------------------+ +--|-------------------+
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# | |
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# +--------------|----------------------------------------|-------------------+
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# | SW + $swp1 + $swp2 |
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# | | 192.0.2.129/28 |
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# | | 192.0.2.145/28 |
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# | | 2001:db8:2::1/64 |
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# | ________^___________________________ 2001:db8:4::1/64 |
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# | / \ |
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# | +---|------------------------------+ +---|------------------------------+ |
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# | | + $swp1.100 BR1 (802.1d) | | + $swp1.200 BR2 (802.1d) | |
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# | | 192.0.2.2/28 | | 192.0.2.18/28 | |
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# | | 2001:db8:1::2/64 | | 2001:db8:3::2/64 | |
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# | | | | | |
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# | +----------------------------------+ +----------------------------------+ |
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# +---------------------------------------------------------------------------+
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ALL_TESTS="
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ping_ipv4
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ping_ipv6
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config_remaster
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ping_ipv4
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ping_ipv6
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"
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NUM_NETIFS=4
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source lib.sh
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h1_create()
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{
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simple_if_init $h1
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vlan_create $h1 100 v$h1 192.0.2.1/28 2001:db8:1::1/64
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vlan_create $h1 200 v$h1 192.0.2.17/28 2001:db8:3::1/64
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ip -4 route add 192.0.2.128/28 vrf v$h1 nexthop via 192.0.2.2
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ip -4 route add 192.0.2.144/28 vrf v$h1 nexthop via 192.0.2.18
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ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2
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ip -6 route add 2001:db8:4::/64 vrf v$h1 nexthop via 2001:db8:3::2
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}
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h1_destroy()
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{
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ip -6 route del 2001:db8:4::/64 vrf v$h1
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ip -6 route del 2001:db8:2::/64 vrf v$h1
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ip -4 route del 192.0.2.144/28 vrf v$h1
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ip -4 route del 192.0.2.128/28 vrf v$h1
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vlan_destroy $h1 200
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vlan_destroy $h1 100
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simple_if_fini $h1
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}
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h2_create()
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{
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simple_if_init $h2 192.0.2.130/28 2001:db8:2::2/64 \
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192.0.2.146/28 2001:db8:4::2/64
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ip -4 route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.129
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ip -4 route add 192.0.2.16/28 vrf v$h2 nexthop via 192.0.2.145
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ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1
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ip -6 route add 2001:db8:3::/64 vrf v$h2 nexthop via 2001:db8:4::1
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}
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h2_destroy()
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{
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ip -6 route del 2001:db8:3::/64 vrf v$h2
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ip -6 route del 2001:db8:1::/64 vrf v$h2
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ip -4 route del 192.0.2.16/28 vrf v$h2
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ip -4 route del 192.0.2.0/28 vrf v$h2
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simple_if_fini $h2 192.0.2.130/28 2001:db8:2::2/64 \
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192.0.2.146/28 2001:db8:4::2/64
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}
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router_create()
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{
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ip link set dev $swp1 up
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vlan_create $swp1 100
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ip link add name br1 type bridge vlan_filtering 0
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ip link set dev br1 address $(mac_get $swp1.100)
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ip link set dev $swp1.100 master br1
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__addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64
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ip link set dev br1 up
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vlan_create $swp1 200
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ip link add name br2 type bridge vlan_filtering 0
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ip link set dev br2 address $(mac_get $swp1.200)
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ip link set dev $swp1.200 master br2
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__addr_add_del br2 add 192.0.2.18/28 2001:db8:3::2/64
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ip link set dev br2 up
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ip link set dev $swp2 up
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__addr_add_del $swp2 add 192.0.2.129/28 2001:db8:2::1/64 \
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192.0.2.145/28 2001:db8:4::1/64
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}
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router_destroy()
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{
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__addr_add_del $swp2 del 192.0.2.129/28 2001:db8:2::1/64 \
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192.0.2.145/28 2001:db8:4::1/64
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ip link set dev $swp2 down
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__addr_add_del br2 del 192.0.2.18/28 2001:db8:3::2/64
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ip link set dev $swp1.200 nomaster
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ip link del dev br2
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vlan_destroy $swp1 200
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__addr_add_del br1 del 192.0.2.2/28 2001:db8:1::2/64
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ip link set dev $swp1.100 nomaster
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ip link del dev br1
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vlan_destroy $swp1 100
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ip link set dev $swp1 down
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}
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config_remaster()
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{
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log_info "Remaster bridge slaves"
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ip link set dev $swp1.100 nomaster
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ip link set dev $swp1.200 nomaster
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sleep 2
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ip link set dev $swp1.200 master br2
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ip link set dev $swp1.100 master br1
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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swp1=${NETIFS[p2]}
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swp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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vrf_prepare
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h1_create
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h2_create
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router_create
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forwarding_enable
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}
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cleanup()
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{
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pre_cleanup
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forwarding_restore
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router_destroy
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h2_destroy
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h1_destroy
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vrf_cleanup
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}
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ping_ipv4()
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{
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ping_test $h1 192.0.2.130 ": via 100"
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ping_test $h1 192.0.2.146 ": via 200"
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}
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ping_ipv6()
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{
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ping6_test $h1 2001:db8:2::2 ": via 100"
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ping6_test $h1 2001:db8:4::2 ": via 200"
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}
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trap cleanup EXIT
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setup_prepare
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setup_wait
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tests_run
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exit $EXIT_STATUS

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