linux-kernel - [net-next PATCH v6 5/5] test: hsr: Add test for HSR RedBOX (HSR-SAN) mode of operation

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Message-Id: <20240423124908.2073400-6-lukma@denx.de>
Date: Tue, 23 Apr 2024 14:49:08 +0200
From: Lukasz Majewski <lukma@...x.de>
To: netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Casper Andersson <casper.casan@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>,
	Eric Dumazet <edumazet@...gle.com>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	Tristram.Ha@...rochip.com,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Ravi Gunasekaran <r-gunasekaran@...com>,
	Simon Horman <horms@...nel.org>,
	Nikita Zhandarovich <n.zhandarovich@...tech.ru>,
	Murali Karicheri <m-karicheri2@...com>,
	Jiri Pirko <jiri@...nulli.us>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	Ziyang Xuan <william.xuanziyang@...wei.com>,
	Shigeru Yoshida <syoshida@...hat.com>,
	"Ricardo B. Marliere" <ricardo@...liere.net>,
	linux-kernel@...r.kernel.org,
	Lukasz Majewski <lukma@...x.de>
Subject: [net-next PATCH v6 5/5] test: hsr: Add test for HSR RedBOX (HSR-SAN) mode of operation

This patch adds hsr_redbox.sh script to test if HSR-SAN mode of operation
works correctly.

Signed-off-by: Lukasz Majewski <lukma@...x.de>
---
Changes for v6:
- add to Makefile's TEST_PROGS hsr_redbox.sh script
---
 tools/testing/selftests/net/hsr/Makefile      |  2 +-
 tools/testing/selftests/net/hsr/hsr_redbox.sh | 92 +++++++++++++++++++
 2 files changed, 93 insertions(+), 1 deletion(-)
 create mode 100755 tools/testing/selftests/net/hsr/hsr_redbox.sh

diff --git a/tools/testing/selftests/net/hsr/Makefile b/tools/testing/selftests/net/hsr/Makefile
index c782ad19e011..884cd2cc0681 100644
--- a/tools/testing/selftests/net/hsr/Makefile
+++ b/tools/testing/selftests/net/hsr/Makefile
@@ -2,7 +2,7 @@
 
 top_srcdir = ../../../../..
 
-TEST_PROGS := hsr_ping.sh
+TEST_PROGS := hsr_ping.sh hsr_redbox.sh
 TEST_FILES += hsr_common.sh
 
 include ../../lib.mk
diff --git a/tools/testing/selftests/net/hsr/hsr_redbox.sh b/tools/testing/selftests/net/hsr/hsr_redbox.sh
new file mode 100755
index 000000000000..52e0412c32e6
--- /dev/null
+++ b/tools/testing/selftests/net/hsr/hsr_redbox.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ipv6=false
+
+source ./hsr_common.sh
+
+do_complete_ping_test()
+{
+	echo "INFO: Initial validation ping (HSR-SAN/RedBox)."
+	# Each node has to be able each one.
+	do_ping "${ns1}" 100.64.0.2
+	do_ping "${ns2}" 100.64.0.1
+	# Ping from SAN to hsr1 (via hsr2)
+	do_ping "${ns3}" 100.64.0.1
+	do_ping "${ns1}" 100.64.0.3
+	stop_if_error "Initial validation failed."
+
+	# Wait for MGNT HSR frames being received and nodes being
+	# merged.
+	sleep 5
+
+	echo "INFO: Longer ping test (HSR-SAN/RedBox)."
+	# Ping from SAN to hsr1 (via hsr2)
+	do_ping_long "${ns3}" 100.64.0.1
+	# Ping from hsr1 (via hsr2) to SAN
+	do_ping_long "${ns1}" 100.64.0.3
+	stop_if_error "Longer ping test failed."
+
+	echo "INFO: All good."
+}
+
+setup_hsr_interfaces()
+{
+	local HSRv="$1"
+
+	echo "INFO: preparing interfaces for HSRv${HSRv} (HSR-SAN/RedBox)."
+
+#       |NS1                     |
+#       |                        |
+#       |    /-- hsr1 --\        |
+#       | ns1eth1     ns1eth2    |
+#       |------------------------|
+#            |            |
+#            |            |
+#            |            |
+#       |------------------------|        |-----------|
+#       | ns2eth1     ns2eth2    |        |           |
+#       |    \-- hsr2 --/        |        |           |
+#       |            \           |        |           |
+#       |             ns2eth3    |--------| ns3eth1   |
+#       |             (interlink)|        |           |
+#       |NS2 (RedBOX)            |        |NS3 (SAN)  |
+#
+	# Check if iproute2 supports adding interlink port to hsrX device
+	ip link help hsr | grep -q INTERLINK
+	[ $? -ne 0 ] && { echo "iproute2: HSR interlink interface not supported!"; exit 0; }
+
+	# Create interfaces for name spaces
+	ip link add ns1eth1 netns "${ns1}" type veth peer name ns2eth1 netns "${ns2}"
+	ip link add ns1eth2 netns "${ns1}" type veth peer name ns2eth2 netns "${ns2}"
+	ip link add ns3eth1 netns "${ns3}" type veth peer name ns2eth3 netns "${ns2}"
+
+	sleep 1
+
+	ip -n "${ns1}" link set ns1eth1 up
+	ip -n "${ns1}" link set ns1eth2 up
+
+	ip -n "${ns2}" link set ns2eth1 up
+	ip -n "${ns2}" link set ns2eth2 up
+	ip -n "${ns2}" link set ns2eth3 up
+
+	ip -n "${ns3}" link set ns3eth1 up
+
+	ip -net "${ns1}" link add name hsr1 type hsr slave1 ns1eth1 slave2 ns1eth2 supervision 45 version ${HSRv} proto 0
+	ip -net "${ns2}" link add name hsr2 type hsr slave1 ns2eth1 slave2 ns2eth2 interlink ns2eth3 supervision 45 version ${HSRv} proto 0
+
+	ip -n "${ns1}" addr add 100.64.0.1/24 dev hsr1
+	ip -n "${ns2}" addr add 100.64.0.2/24 dev hsr2
+	ip -n "${ns3}" addr add 100.64.0.3/24 dev ns3eth1
+
+	ip -n "${ns1}" link set hsr1 up
+	ip -n "${ns2}" link set hsr2 up
+}
+
+check_prerequisites
+setup_ns ns1 ns2 ns3
+
+setup_hsr_interfaces 1
+do_complete_ping_test
+
+exit $ret
-- 
2.20.1