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kernel
os
linux
selftests: router_bridge_lag: Add a new selftest
Add a selftest to verify that routing through a bridge works when LAG is
used instead of physical ports.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by
Petr Machata
and committed by
David S. Miller
3f0c4e70
49e15dec
+324
+1
tools/testing/selftests/net/forwarding/Makefile
+1
tools/testing/selftests/net/forwarding/Makefile
+323
tools/testing/selftests/net/forwarding/router_bridge_lag.sh
+323
tools/testing/selftests/net/forwarding/router_bridge_lag.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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# | | | |
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# | + LAG1 (team) | | + LAG4 (team) |
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# | | 192.0.2.1/28 | | | 192.0.2.130/28 |
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# | | 2001:db8:1::1/64 | | | 2001:db8:2::2/64 |
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# | __^___ | | __^_____ |
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# | / \ | | / \ |
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# | + $h1 + $h4 | | + $h2 + $h3 |
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# | | | | | | | |
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# +----|--------|--------------+ +-|----------|-------------+
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# | | | |
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# +----|--------|------------------------------------|----------|-------------+
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# | SW | | | | |
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# | + $swp1 + $swp4 + $swp2 + $swp3 |
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# | \__ ___/ \__ _____/ |
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# | v v |
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# | +------|-------------------------------+ | |
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# | | + LAG2 BR1 (802.1q) | + LAG3 (team) |
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# | | (team) 192.0.2.2/28 | 192.0.2.129/28 |
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# | | 2001:db8:1::2/64 | 2001:db8:2::1/64 |
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# | | | |
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# | +--------------------------------------+ |
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# +---------------------------------------------------------------------------+
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: ${ALL_TESTS:="
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ping_ipv4
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ping_ipv6
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$(: exercise remastering of LAG2 slaves )
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config_deslave_swp4
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config_wait
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ping_ipv4
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ping_ipv6
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config_enslave_swp4
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config_deslave_swp1
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config_wait
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ping_ipv4
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ping_ipv6
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config_deslave_swp4
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config_enslave_swp1
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config_enslave_swp4
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config_wait
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ping_ipv4
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ping_ipv6
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$(: exercise remastering of LAG2 itself )
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config_remaster_lag2
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config_wait
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ping_ipv4
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ping_ipv6
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$(: exercise remastering of LAG3 slaves )
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config_deslave_swp2
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config_wait
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ping_ipv4
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ping_ipv6
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config_enslave_swp2
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config_deslave_swp3
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config_wait
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ping_ipv4
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ping_ipv6
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config_deslave_swp2
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config_enslave_swp3
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config_enslave_swp2
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config_wait
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ping_ipv4
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ping_ipv6
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$(: move LAG3 to a bridge and then out )
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config_remaster_lag3
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config_wait
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ping_ipv4
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ping_ipv6
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"}
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NUM_NETIFS=8
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: ${lib_dir:=.}
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source $lib_dir/lib.sh
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$EXTRA_SOURCE
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h1_create()
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{
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team_create lag1 lacp
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ip link set dev lag1 address $(mac_get $h1)
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ip link set dev $h1 master lag1
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ip link set dev $h4 master lag1
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simple_if_init lag1 192.0.2.1/28 2001:db8:1::1/64
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ip link set dev $h1 up
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ip link set dev $h4 up
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ip -4 route add 192.0.2.128/28 vrf vlag1 nexthop via 192.0.2.2
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ip -6 route add 2001:db8:2::/64 vrf vlag1 nexthop via 2001:db8:1::2
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}
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h1_destroy()
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{
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ip -6 route del 2001:db8:2::/64 vrf vlag1
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ip -4 route del 192.0.2.128/28 vrf vlag1
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ip link set dev $h4 down
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ip link set dev $h1 down
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simple_if_fini lag1 192.0.2.1/28 2001:db8:1::1/64
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ip link set dev $h4 nomaster
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ip link set dev $h1 nomaster
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team_destroy lag1
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}
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h2_create()
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{
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team_create lag4 lacp
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ip link set dev lag4 address $(mac_get $h2)
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ip link set dev $h2 master lag4
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ip link set dev $h3 master lag4
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simple_if_init lag4 192.0.2.130/28 2001:db8:2::2/64
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ip link set dev $h2 up
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ip link set dev $h3 up
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ip -4 route add 192.0.2.0/28 vrf vlag4 nexthop via 192.0.2.129
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ip -6 route add 2001:db8:1::/64 vrf vlag4 nexthop via 2001:db8:2::1
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}
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h2_destroy()
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{
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ip -6 route del 2001:db8:1::/64 vrf vlag4
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ip -4 route del 192.0.2.0/28 vrf vlag4
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ip link set dev $h3 down
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ip link set dev $h2 down
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simple_if_fini lag4 192.0.2.130/28 2001:db8:2::2/64
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ip link set dev $h3 nomaster
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ip link set dev $h2 nomaster
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team_destroy lag4
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}
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router_create()
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{
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team_create lag2 lacp
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ip link set dev lag2 address $(mac_get $swp1)
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ip link set dev $swp1 master lag2
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ip link set dev $swp4 master lag2
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ip link add name br1 address $(mac_get lag2) \
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type bridge vlan_filtering 1
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ip link set dev lag2 master br1
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ip link set dev $swp1 up
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ip link set dev $swp4 up
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ip link set dev br1 up
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__addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64
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team_create lag3 lacp
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ip link set dev lag3 address $(mac_get $swp2)
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ip link set dev $swp2 master lag3
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ip link set dev $swp3 master lag3
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ip link set dev $swp2 up
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ip link set dev $swp3 up
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__addr_add_del lag3 add 192.0.2.129/28 2001:db8:2::1/64
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}
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router_destroy()
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{
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__addr_add_del lag3 del 192.0.2.129/28 2001:db8:2::1/64
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ip link set dev $swp3 down
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ip link set dev $swp2 down
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ip link set dev $swp3 nomaster
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ip link set dev $swp2 nomaster
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team_destroy lag3
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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 $swp4 down
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ip link set dev $swp1 down
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ip link set dev br1 down
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ip link set dev lag2 nomaster
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ip link del dev br1
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ip link set dev $swp4 nomaster
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ip link set dev $swp1 nomaster
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team_destroy lag2
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}
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config_remaster_lag2()
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{
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log_info "Remaster bridge slave"
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ip link set dev lag2 nomaster
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sleep 2
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ip link set dev lag2 master br1
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}
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config_remaster_lag3()
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{
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log_info "Move lag3 to the bridge, then out again"
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ip link set dev lag3 master br1
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sleep 2
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ip link set dev lag3 nomaster
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}
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config_deslave()
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{
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local netdev=$1; shift
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log_info "Deslave $netdev"
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ip link set dev $netdev down
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ip link set dev $netdev nomaster
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ip link set dev $netdev up
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}
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config_deslave_swp1()
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{
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config_deslave $swp1
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}
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config_deslave_swp2()
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{
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config_deslave $swp2
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}
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config_deslave_swp3()
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{
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config_deslave $swp3
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}
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config_deslave_swp4()
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{
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config_deslave $swp4
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}
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config_enslave()
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{
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local netdev=$1; shift
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local master=$1; shift
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log_info "Enslave $netdev to $master"
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ip link set dev $netdev down
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ip link set dev $netdev master $master
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ip link set dev $netdev up
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}
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config_enslave_swp1()
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{
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config_enslave $swp1 lag2
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}
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config_enslave_swp2()
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{
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config_enslave $swp2 lag3
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}
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config_enslave_swp3()
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{
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config_enslave $swp3 lag3
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}
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config_enslave_swp4()
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{
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config_enslave $swp4 lag2
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}
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config_wait()
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{
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setup_wait_dev lag2
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setup_wait_dev lag3
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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swp1=${NETIFS[p2]}
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swp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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swp3=${NETIFS[p5]}
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h3=${NETIFS[p6]}
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h4=${NETIFS[p7]}
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swp4=${NETIFS[p8]}
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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 lag1 192.0.2.130
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}
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ping_ipv6()
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{
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ping6_test lag1 2001:db8:2::2
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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