git: 92c5dbbb131b - main - carp tests: unicast tests (IPv4)

From: Kristof Provost <kp_at_FreeBSD.org>
Date: Mon, 20 Mar 2023 14:14:25 UTC
The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=92c5dbbb131bdc8d9e53555a32e9bcb2a4aa59ae

commit 92c5dbbb131bdc8d9e53555a32e9bcb2a4aa59ae
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2023-03-02 17:21:06 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2023-03-20 13:37:09 +0000

    carp tests: unicast tests (IPv4)
    
    Test the new unicast carp mode for IPv4.
    
    There's a routing hop between the peers, to ensure that the TTL check is
    correctly disabled for unicast carp.
    
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
    Differential Revision:  https://reviews.freebsd.org/D38941
---
 tests/sys/netinet/carp.sh | 59 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/tests/sys/netinet/carp.sh b/tests/sys/netinet/carp.sh
index 9afe9d2ea8c1..22f1aa3ac0e3 100755
--- a/tests/sys/netinet/carp.sh
+++ b/tests/sys/netinet/carp.sh
@@ -106,6 +106,64 @@ basic_v4_cleanup()
 	vnet_cleanup
 }
 
+
+atf_test_case "unicast_v4" "cleanup"
+unicast_v4_head()
+{
+	atf_set descr 'Unicast CARP test (IPv4)'
+	atf_set require.user root
+}
+
+unicast_v4_body()
+{
+	carp_init
+
+	bridge=$(vnet_mkbridge)
+	epair_one=$(vnet_mkepair)
+	epair_two=$(vnet_mkepair)
+
+	vnet_mkjail carp_uni_v4_one ${bridge} ${epair_one}a ${epair_two}a
+	vnet_mkjail carp_uni_v4_two ${epair_one}b
+	vnet_mkjail carp_uni_v4_three ${epair_two}b
+
+	jexec carp_uni_v4_one ifconfig ${bridge} 192.0.2.4/29 up
+	jexec carp_uni_v4_one sysctl net.inet.ip.forwarding=1
+	jexec carp_uni_v4_one ifconfig ${bridge} addm ${epair_one}a \
+	    addm ${epair_two}a
+	jexec carp_uni_v4_one ifconfig ${epair_one}a up
+	jexec carp_uni_v4_one ifconfig ${epair_two}a up
+	jexec carp_uni_v4_one ifconfig ${bridge} inet alias 198.51.100.1/25
+	jexec carp_uni_v4_one ifconfig ${bridge} inet alias 198.51.100.129/25
+
+	jexec carp_uni_v4_two ifconfig ${epair_one}b 198.51.100.2/25 up
+	jexec carp_uni_v4_two route add default 198.51.100.1
+	jexec carp_uni_v4_two ifconfig ${epair_one}b add vhid 1 \
+	    peer 198.51.100.130 192.0.2.1/29
+
+	jexec carp_uni_v4_three ifconfig ${epair_two}b 198.51.100.130/25 up
+	jexec carp_uni_v4_three route add default 198.51.100.129
+	jexec carp_uni_v4_three ifconfig ${epair_two}b add vhid 1 \
+	    peer 198.51.100.2 192.0.2.1/29
+
+	# Sanity check
+	atf_check -s exit:0 -o ignore jexec carp_uni_v4_two \
+	    ping -c 1 198.51.100.130
+
+	wait_for_carp carp_uni_v4_two ${epair_one}b \
+	    carp_uni_v4_three ${epair_two}b
+
+	atf_check -s exit:0 -o ignore jexec carp_uni_v4_one \
+	    ping -c 3 192.0.2.1
+
+	jexec carp_uni_v4_two ifconfig
+	jexec carp_uni_v4_three ifconfig
+}
+
+unicast_v4_cleanup()
+{
+	vnet_cleanup
+}
+
 atf_test_case "basic_v6" "cleanup"
 basic_v6_head()
 {
@@ -290,6 +348,7 @@ switch_cleanup()
 atf_init_test_cases()
 {
 	atf_add_test_case "basic_v4"
+	atf_add_test_case "unicast_v4"
 	atf_add_test_case "basic_v6"
 	atf_add_test_case "negative_demotion"
 	atf_add_test_case "nd6_ns_source_mac"