git: c4bf12b43711 - stable/12 - bridge tests: Basic span test

[Kristof Provost]

The branch stable/12 has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=c4bf12b4371112ea5e875b51befbb4c12b9707db

commit c4bf12b4371112ea5e875b51befbb4c12b9707db
Author:     Kristof Provost <kp at FreeBSD.org>
AuthorDate: 2020-03-16 08:44:46 +0000
Commit:     Kristof Provost <kp at FreeBSD.org>
CommitDate: 2021-03-02 13:03:06 +0000

    bridge tests: Basic span test
    
    Reviewed by:    philip, emaste (previous version)
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D23961
    
    (cherry picked from commit bb490fcf195450d9cbbac00e6338b352aac32c5c)
---
 tests/sys/net/if_bridge_test.sh | 55 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/tests/sys/net/if_bridge_test.sh b/tests/sys/net/if_bridge_test.sh
index 34b72c33bb36..7b26b97967ad 100755
--- a/tests/sys/net/if_bridge_test.sh
+++ b/tests/sys/net/if_bridge_test.sh
@@ -191,9 +191,64 @@ static_cleanup()
 	vnet_cleanup
 }
 
+atf_test_case "span" "cleanup"
+span_head()
+{
+	atf_set descr 'Bridge span test'
+	atf_set require.user root
+}
+
+span_body()
+{
+	set -x
+	vnet_init
+
+	epair=$(vnet_mkepair)
+	epair_span=$(vnet_mkepair)
+	bridge=$(vnet_mkbridge)
+
+	vnet_mkjail one ${bridge} ${epair}a ${epair_span}a
+
+	ifconfig ${epair}b up
+	ifconfig ${epair_span}b up
+
+	jexec one ifconfig ${bridge} up
+	jexec one ifconfig ${epair}a up
+	jexec one ifconfig ${epair_span}a up
+	jexec one ifconfig ${bridge} addm ${epair}a
+
+	jexec one ifconfig ${bridge} span ${epair_span}a
+	jexec one ifconfig ${bridge} 192.0.2.1/24
+
+	# Send some traffic through the span
+	jexec one ping -c 1 -t 1 192.0.2.2
+
+	# Check that we see the traffic on the span interface
+	atf_check -s exit:0 \
+		$(atf_get_srcdir)/../netpfil/common/pft_ping.py \
+		--sendif ${epair}b \
+		--to 192.0.2.2 \
+		--recvif ${epair_span}b
+
+	jexec one ifconfig ${bridge} -span ${epair_span}a
+
+	# And no more traffic after we remove the span
+	atf_check -s exit:1 \
+		$(atf_get_srcdir)/../netpfil/common/pft_ping.py \
+		--sendif ${epair}b \
+		--to 192.0.2.2 \
+		--recvif ${epair_span}b
+}
+
+span_cleanup()
+{
+	vnet_cleanup
+}
+
 atf_init_test_cases()
 {
 	atf_add_test_case "bridge_transmit_ipv4_unicast"
 	atf_add_test_case "stp"
 	atf_add_test_case "static"
+	atf_add_test_case "span"
 }