From 791f370cb5d6a24a1938a4e0147cc2734df6d076 Mon Sep 17 00:00:00 2001
From: Kristof Provost <kp@FreeBSD.org>
Date: Sun, 16 Feb 2020 13:16:40 +0000
Subject: [PATCH] bridge: Basic test case

Very basic bridge test: Set up two jails and test that they can pass IPv4
traffic over the bridge.

Reviewed by:	melifaro, philip
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D23697

(cherry picked from commit 095aabf7dc814ae96d83bc5327a4b1f2e23be419)
---
 tests/sys/common/vnet.subr      |  7 ++++
 tests/sys/net/Makefile          |  5 ++-
 tests/sys/net/if_bridge_test.sh | 74 +++++++++++++++++++++++++++++++++
 3 files changed, 84 insertions(+), 2 deletions(-)
 create mode 100755 tests/sys/net/if_bridge_test.sh

diff --git a/tests/sys/common/vnet.subr b/tests/sys/common/vnet.subr
index 53b387ec07e..d86afaf6aaf 100644
--- a/tests/sys/common/vnet.subr
+++ b/tests/sys/common/vnet.subr
@@ -16,6 +16,13 @@ vnet_mkepair()
 	echo ${ifname%a}
 }
 
+vnet_mkbridge()
+{
+	ifname=$(ifconfig bridge create)
+	echo $ifname >> created_interfaces.lst
+	echo ${ifname}
+}
+
 vnet_mkjail()
 {
 	jailname=$1
diff --git a/tests/sys/net/Makefile b/tests/sys/net/Makefile
index 5989f8be072..bbb1d1337b2 100644
--- a/tests/sys/net/Makefile
+++ b/tests/sys/net/Makefile
@@ -5,10 +5,11 @@
 TESTSDIR=	${TESTSBASE}/sys/net
 BINDIR=		${TESTSDIR}
 
-ATF_TESTS_SH+=	if_lagg_test
+ATF_TESTS_C+=	if_epair
+ATF_TESTS_SH+=	if_bridge_test
 ATF_TESTS_SH+=	if_clone_test
+ATF_TESTS_SH+=	if_lagg_test
 ATF_TESTS_SH+=	if_tun_test
-ATF_TESTS_C+=	if_epair
 
 # The tests are written to be run in parallel, but doing so leads to random
 # panics.  I think it's because the kernel's list of interfaces isn't properly
diff --git a/tests/sys/net/if_bridge_test.sh b/tests/sys/net/if_bridge_test.sh
new file mode 100755
index 00000000000..384857bff58
--- /dev/null
+++ b/tests/sys/net/if_bridge_test.sh
@@ -0,0 +1,74 @@
+# $FreeBSD$
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2020 The FreeBSD Foundation
+# All rights reserved.
+#
+# This software was developed by Kristof Provost under sponsorship
+# from the FreeBSD Foundation.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+. $(atf_get_srcdir)/../common/vnet.subr
+
+atf_test_case "bridge_transmit_ipv4_unicast" "cleanup"
+bridge_transmit_ipv4_unicast_head()
+{
+	atf_set descr 'bridge_transmit_ipv4_unicast bridging test'
+	atf_set require.user root
+}
+
+bridge_transmit_ipv4_unicast_body()
+{
+	vnet_init
+
+	epair_alcatraz=$(vnet_mkepair)
+	epair_singsing=$(vnet_mkepair)
+
+	vnet_mkjail alcatraz ${epair_alcatraz}b
+	vnet_mkjail singsing ${epair_singsing}b
+
+	jexec alcatraz ifconfig ${epair_alcatraz}b 192.0.2.1/24 up
+	jexec singsing ifconfig ${epair_singsing}b 192.0.2.2/24 up
+
+	bridge=$(vnet_mkbridge)
+
+	ifconfig ${bridge} up
+	ifconfig ${epair_alcatraz}a up
+	ifconfig ${epair_singsing}a up
+	ifconfig ${bridge} addm ${epair_alcatraz}a
+	ifconfig ${bridge} addm ${epair_singsing}a
+
+	atf_check -s exit:0 -o ignore jexec alcatraz ping -c 3 -t 1 192.0.2.2
+	atf_check -s exit:0 -o ignore jexec singsing ping -c 3 -t 1 192.0.2.1
+}
+
+bridge_transmit_ipv4_unicast_cleanup()
+{
+	vnet_cleanup
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case "bridge_transmit_ipv4_unicast"
+}
-- 
2.45.0