git: 33ff01cebc02 - main - carp tests: test unicast carp via link-local addresses

The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=33ff01cebc0209f59239ded324906cfdfe986341

commit 33ff01cebc0209f59239ded324906cfdfe986341
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2023-05-18 14:43:46 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2023-05-18 15:47:04 +0000

    carp tests: test unicast carp via link-local addresses
    
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
---
 tests/sys/netinet/carp.sh | 61 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/tests/sys/netinet/carp.sh b/tests/sys/netinet/carp.sh
index fba69800670a..7508a6996fcd 100755
--- a/tests/sys/netinet/carp.sh
+++ b/tests/sys/netinet/carp.sh
@@ -272,6 +272,66 @@ unicast_v6_cleanup()
 	vnet_cleanup
 }
 
+atf_test_case "unicast_ll_v6" "cleanup"
+unicast_ll_v6_head()
+{
+	atf_set descr 'Unicast CARP test (IPv6, link-local)'
+	atf_set require.user root
+}
+
+unicast_ll_v6_body()
+{
+	carp_init
+
+	bridge=$(vnet_mkbridge)
+	epair_one=$(vnet_mkepair)
+	epair_two=$(vnet_mkepair)
+
+	vnet_mkjail carp_uni_v6_one ${bridge} ${epair_one}a ${epair_two}a
+	vnet_mkjail carp_uni_v6_two ${epair_one}b
+	vnet_mkjail carp_uni_v6_three ${epair_two}b
+
+	jexec carp_uni_v6_one ifconfig ${bridge} addm ${epair_one}a \
+	    addm ${epair_two}a
+	jexec carp_uni_v6_one ifconfig ${epair_one}a up
+	jexec carp_uni_v6_one ifconfig ${epair_two}a up
+	jexec carp_uni_v6_one ifconfig ${bridge} inet6 2001:db8::0:4/64 up \
+	    no_dad
+	jexec carp_uni_v6_one ifconfig ${bridge} inet6 alias 2001:db8:1::1/64 \
+	    no_dad up
+
+	jexec carp_uni_v6_two ifconfig ${epair_one}b inet6 2001:db8:1::2/64 \
+	    no_dad up
+	jexec carp_uni_v6_three ifconfig ${epair_two}b inet6 2001:db8:1::3/64 \
+	    no_dad up
+
+	ll_one=$(jexec carp_uni_v6_two ifconfig ${epair_one}b | awk "/ .*%${epair_one}b.* / { print \$2 }" | cut -d % -f 1)
+	ll_two=$(jexec carp_uni_v6_three ifconfig ${epair_two}b | awk "/ .*%${epair_two}b.* / { print \$2 }" | cut -d % -f 1)
+
+	jexec carp_uni_v6_two ifconfig ${epair_one}b inet6 add vhid 1 \
+	    peer6 ${ll_two} \
+	    2001:db8::0:1/64
+	jexec carp_uni_v6_three ifconfig ${epair_two}b inet6 add vhid 1 \
+	    peer6 ${ll_one} \
+	    2001:db8::0:1/64
+
+	# Sanity check
+	atf_check -s exit:0 -o ignore jexec carp_uni_v6_two \
+	    ping -6 -c 1 2001:db8:1::3
+
+	wait_for_carp carp_uni_v6_two ${epair_one}b \
+	    carp_uni_v6_three ${epair_two}b
+
+	atf_check -s exit:0 -o ignore jexec carp_uni_v6_one \
+	    ping -6 -c 3 2001:db8::0:1
+
+}
+
+unicast_ll_v6_cleanup()
+{
+	vnet_cleanup
+}
+
 atf_test_case "negative_demotion" "cleanup"
 negative_demotion_head()
 {
@@ -412,6 +472,7 @@ atf_init_test_cases()
 	atf_add_test_case "unicast_v4"
 	atf_add_test_case "basic_v6"
 	atf_add_test_case "unicast_v6"
+	atf_add_test_case "unicast_ll_v6"
 	atf_add_test_case "negative_demotion"
 	atf_add_test_case "nd6_ns_source_mac"
 	atf_add_test_case "switch"