svn commit: r360099 - head/tests/sys/net
Kristof Provost
kp at FreeBSD.org
Sun Apr 19 16:30:50 UTC 2020
Author: kp
Date: Sun Apr 19 16:30:49 2020
New Revision: 360099
URL: https://svnweb.freebsd.org/changeset/base/360099
Log:
bridge tests: Ensure that bridges in different jails get different MAC addresses
We used to have a problem where bridges created in different vnet jails
would end up having the same mac address. This is now fixed by
including the jail name as a seed for the mac address generation, but we
should verify that it doesn't regress.
Modified:
head/tests/sys/net/if_bridge_test.sh
Modified: head/tests/sys/net/if_bridge_test.sh
==============================================================================
--- head/tests/sys/net/if_bridge_test.sh Sun Apr 19 16:10:20 2020 (r360098)
+++ head/tests/sys/net/if_bridge_test.sh Sun Apr 19 16:30:49 2020 (r360099)
@@ -271,6 +271,44 @@ delete_with_members_cleanup()
vnet_cleanup
}
+atf_test_case "mac_conflict" "cleanup"
+mac_conflict_head()
+{
+ atf_set descr 'Ensure that bridges in different jails get different mac addresses'
+ atf_set require.user root
+}
+
+mac_conflict_body()
+{
+ vnet_init
+
+ epair=$(vnet_mkepair)
+
+ # Ensure the bridge module is loaded so jails can use it.
+ tmpbridge=$(vnet_mkbridge)
+
+ vnet_mkjail bridge_mac_conflict_one ${epair}a
+ vnet_mkjail bridge_mac_conflict_two ${epair}b
+
+ jexec bridge_mac_conflict_one ifconfig bridge create
+ jexec bridge_mac_conflict_one ifconfig bridge0 192.0.2.1/24 up \
+ addm ${epair}a
+ jexec bridge_mac_conflict_one ifconfig ${epair}a up
+
+ jexec bridge_mac_conflict_two ifconfig bridge create
+ jexec bridge_mac_conflict_two ifconfig bridge0 192.0.2.2/24 up \
+ addm ${epair}b
+ jexec bridge_mac_conflict_two ifconfig ${epair}b up
+
+ atf_check -s exit:0 -o ignore \
+ jexec bridge_mac_conflict_one ping -c 3 192.0.2.2
+}
+
+mac_conflict_cleanup()
+{
+ vnet_cleanup
+}
+
atf_init_test_cases()
{
atf_add_test_case "bridge_transmit_ipv4_unicast"
@@ -278,4 +316,5 @@ atf_init_test_cases()
atf_add_test_case "static"
atf_add_test_case "span"
atf_add_test_case "delete_with_members"
+ atf_add_test_case "mac_conflict"
}
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