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bridge tests: test cross-vlan bridging

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Ensure that the bridge takes VLAN IDs into account when learning
addresses.

PR:		270559
Differential Revision:	https://reviews.freebsd.org/D39379
This commit is contained in:
Kristof Provost 2023-04-07 18:02:35 +02:00
parent b0e38a1373
commit f97802a35e
1 changed files with 68 additions and 0 deletions
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68
tests/sys/net/if_bridge_test.sh
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@ -597,6 +597,73 @@ mtu_cleanup()
vnet_cleanup
}
atf_test_case "vlan" "cleanup"
vlan_head()
{
atf_set descr 'Ensure the bridge takes vlan ID into account, PR#270559'
atf_set require.user root
}
vlan_body()
{
vnet_init
vid=1
epaira=$(vnet_mkepair)
epairb=$(vnet_mkepair)
br=$(vnet_mkbridge)
vnet_mkjail one ${epaira}b
vnet_mkjail two ${epairb}b
ifconfig ${br} up
ifconfig ${epaira}a up
ifconfig ${epairb}a up
ifconfig ${br} addm ${epaira}a addm ${epairb}a
jexec one ifconfig ${epaira}b up
jexec one ifconfig ${epaira}b.${vid} create
jexec two ifconfig ${epairb}b up
jexec two ifconfig ${epairb}b.${vid} create
# Create a MAC address conflict between an untagged and tagged interface
jexec two ifconfig ${epairb}b.${vid} ether 02:05:6e:06:28:1a
jexec one ifconfig ${epaira}b ether 02:05:6e:06:28:1a
jexec one ifconfig ${epaira}b.${vid} ether 02:05:6e:06:28:1b
# Add ip address, will also populate $br's fowarding table, by ARP announcement
jexec one ifconfig ${epaira}b.${vid} 192.0.2.1/24 up
jexec two ifconfig ${epairb}b.${vid} 192.0.2.2/24 up
sleep 0.5
ifconfig ${br}
jexec one ifconfig
jexec two ifconfig
ifconfig ${br} addr
atf_check -s exit:0 -o ignore \
jexec one ping -c 1 -t 1 192.0.2.2
# This will trigger a mac flap (by ARP announcement)
jexec one ifconfig ${epaira}b 192.0.2.1/24 up
sleep 0.5
ifconfig ${br} addr
atf_check -s exit:0 -o ignore \
jexec one ping -c 1 -t 1 192.0.2.2
}
vlan_cleanup()
{
vnet_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "bridge_transmit_ipv4_unicast"
@ -610,4 +677,5 @@ atf_init_test_cases()
atf_add_test_case "stp_validation"
atf_add_test_case "gif"
atf_add_test_case "mtu"
atf_add_test_case "vlan"
}