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carp tests: test manually switch between backup and master

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There's been at least one issue where we failed to correctly enter
NET_EPOCH that was triggered in this scenario.
Add a test case for it to make it easier to detect issues like this in
the future.

Reviewed by:	zlei
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D39115
This commit is contained in:
Kristof Provost 2023-03-16 11:16:24 +01:00
parent 40e0435964
commit 9d48283d60
1 changed files with 25 additions and 0 deletions
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25
tests/sys/netinet/carp.sh
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@ -263,10 +263,35 @@ nd6_ns_source_mac_cleanup()
}
atf_test_case "switch" "cleanup"
switch_head()
{
atf_set descr 'Switch between master and backup'
atf_set require.user root
}
switch_body()
{
carp_init
epair=$(vnet_mkepair)
ifconfig ${epair}a up
ifconfig ${epair}a vhid 1 advskew 100 192.0.2.1/24
ifconfig ${epair}a vhid 1 state backup
ifconfig ${epair}a vhid 1 state master
}
switch_cleanup()
{
vnet_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "basic_v4"
atf_add_test_case "basic_v6"
atf_add_test_case "negative_demotion"
atf_add_test_case "nd6_ns_source_mac"
atf_add_test_case "switch"
}