From 0a06e0c1af97e5b9510cf29b7a7ac2e9dc4b612c Mon Sep 17 00:00:00 2001 From: Petr Machata Date: Mon, 31 Jul 2023 17:47:16 +0200 Subject: 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 Reviewed-by: Danielle Ratson Signed-off-by: David S. Miller --- tools/testing/selftests/net/forwarding/Makefile | 1 + .../selftests/net/forwarding/router_bridge_1d.sh | 185 +++++++++++++++++++++ 2 files changed, 186 insertions(+) create mode 100755 tools/testing/selftests/net/forwarding/router_bridge_1d.sh diff --git a/tools/testing/selftests/net/forwarding/Makefile b/tools/testing/selftests/net/forwarding/Makefile index 2d8bb72762a4..96b6dcefbc65 100644 --- a/tools/testing/selftests/net/forwarding/Makefile +++ b/tools/testing/selftests/net/forwarding/Makefile @@ -64,6 +64,7 @@ TEST_PROGS = bridge_igmp.sh \ q_in_vni_ipv6.sh \ q_in_vni.sh \ router_bridge.sh \ + router_bridge_1d.sh \ router_bridge_vlan.sh \ router_bridge_pvid_vlan_upper.sh \ router_bridge_vlan_upper_pvid.sh \ diff --git a/tools/testing/selftests/net/forwarding/router_bridge_1d.sh b/tools/testing/selftests/net/forwarding/router_bridge_1d.sh new file mode 100755 index 000000000000..6d51f2ca72a2 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/router_bridge_1d.sh @@ -0,0 +1,185 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# +---------------------------------------------+ +----------------------+ +# | H1 (vrf) | | H2 (vrf) | +# | + $h1.100 + $h1.200 | | + $h2 | +# | | 192.0.2.1/28 | 192.0.2.17/28 | | | 192.0.2.130/28 | +# | | 2001:db8:1::1/64 | 2001:db8:3::1/64 | | | 192.0.2.146/28 | +# | \_________ __________/ | | | 2001:db8:2::2/64 | +# | V | | | 2001:db8:4::2/64 | +# | + $h1 | | | | +# +--------------|------------------------------+ +--|-------------------+ +# | | +# +--------------|----------------------------------------|-------------------+ +# | SW + $swp1 + $swp2 | +# | | 192.0.2.129/28 | +# | | 192.0.2.145/28 | +# | | 2001:db8:2::1/64 | +# | ________^___________________________ 2001:db8:4::1/64 | +# | / \ | +# | +---|------------------------------+ +---|------------------------------+ | +# | | + $swp1.100 BR1 (802.1d) | | + $swp1.200 BR2 (802.1d) | | +# | | 192.0.2.2/28 | | 192.0.2.18/28 | | +# | | 2001:db8:1::2/64 | | 2001:db8:3::2/64 | | +# | | | | | | +# | +----------------------------------+ +----------------------------------+ | +# +---------------------------------------------------------------------------+ + +ALL_TESTS=" + ping_ipv4 + ping_ipv6 + config_remaster + ping_ipv4 + ping_ipv6 +" +NUM_NETIFS=4 +source lib.sh + +h1_create() +{ + simple_if_init $h1 + vlan_create $h1 100 v$h1 192.0.2.1/28 2001:db8:1::1/64 + vlan_create $h1 200 v$h1 192.0.2.17/28 2001:db8:3::1/64 + ip -4 route add 192.0.2.128/28 vrf v$h1 nexthop via 192.0.2.2 + ip -4 route add 192.0.2.144/28 vrf v$h1 nexthop via 192.0.2.18 + ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2 + ip -6 route add 2001:db8:4::/64 vrf v$h1 nexthop via 2001:db8:3::2 +} + +h1_destroy() +{ + ip -6 route del 2001:db8:4::/64 vrf v$h1 + ip -6 route del 2001:db8:2::/64 vrf v$h1 + ip -4 route del 192.0.2.144/28 vrf v$h1 + ip -4 route del 192.0.2.128/28 vrf v$h1 + vlan_destroy $h1 200 + vlan_destroy $h1 100 + simple_if_fini $h1 +} + +h2_create() +{ + simple_if_init $h2 192.0.2.130/28 2001:db8:2::2/64 \ + 192.0.2.146/28 2001:db8:4::2/64 + ip -4 route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.129 + ip -4 route add 192.0.2.16/28 vrf v$h2 nexthop via 192.0.2.145 + ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1 + ip -6 route add 2001:db8:3::/64 vrf v$h2 nexthop via 2001:db8:4::1 +} + +h2_destroy() +{ + ip -6 route del 2001:db8:3::/64 vrf v$h2 + ip -6 route del 2001:db8:1::/64 vrf v$h2 + ip -4 route del 192.0.2.16/28 vrf v$h2 + ip -4 route del 192.0.2.0/28 vrf v$h2 + simple_if_fini $h2 192.0.2.130/28 2001:db8:2::2/64 \ + 192.0.2.146/28 2001:db8:4::2/64 +} + +router_create() +{ + ip link set dev $swp1 up + + vlan_create $swp1 100 + ip link add name br1 type bridge vlan_filtering 0 + ip link set dev br1 address $(mac_get $swp1.100) + ip link set dev $swp1.100 master br1 + __addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64 + ip link set dev br1 up + + vlan_create $swp1 200 + ip link add name br2 type bridge vlan_filtering 0 + ip link set dev br2 address $(mac_get $swp1.200) + ip link set dev $swp1.200 master br2 + __addr_add_del br2 add 192.0.2.18/28 2001:db8:3::2/64 + ip link set dev br2 up + + ip link set dev $swp2 up + __addr_add_del $swp2 add 192.0.2.129/28 2001:db8:2::1/64 \ + 192.0.2.145/28 2001:db8:4::1/64 +} + +router_destroy() +{ + __addr_add_del $swp2 del 192.0.2.129/28 2001:db8:2::1/64 \ + 192.0.2.145/28 2001:db8:4::1/64 + ip link set dev $swp2 down + + __addr_add_del br2 del 192.0.2.18/28 2001:db8:3::2/64 + ip link set dev $swp1.200 nomaster + ip link del dev br2 + vlan_destroy $swp1 200 + + __addr_add_del br1 del 192.0.2.2/28 2001:db8:1::2/64 + ip link set dev $swp1.100 nomaster + ip link del dev br1 + vlan_destroy $swp1 100 + + ip link set dev $swp1 down +} + +config_remaster() +{ + log_info "Remaster bridge slaves" + + ip link set dev $swp1.100 nomaster + ip link set dev $swp1.200 nomaster + sleep 2 + ip link set dev $swp1.200 master br2 + ip link set dev $swp1.100 master br1 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + 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 $h1 192.0.2.130 ": via 100" + ping_test $h1 192.0.2.146 ": via 200" +} + +ping_ipv6() +{ + ping6_test $h1 2001:db8:2::2 ": via 100" + ping6_test $h1 2001:db8:4::2 ": via 200" +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS -- cgit v1.2.3