[net-next PATCH v5 4/4] test: hsr: Add test for HSR RedBOX (HSR-SAN) mode of operation

Lukasz Majewski
2024-04-15T12:50:13Z

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

Signed-off-by: Lukasz Majewski <lukma@denx.de>
---
tools/testing/selftests/net/hsr/hsr_redbox.sh | 97 +++++++++++++++++++
1 file changed, 97 insertions(+)
create mode 100755 tools/testing/selftests/net/hsr/hsr_redbox.sh

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..6946a0c6eb17
--- /dev/null
+++ b/tools/testing/selftests/net/hsr/hsr_redbox.sh
@@ -0,0 +1,97 @@
+#!/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
+trap cleanup EXIT SIGKILL SIGTERM
+
+for i in "$ns1" "$ns2" "$ns3" ;do
+ ip netns add $i || exit $ksft_skip
+ ip -net $i link set lo up
+done
+
+setup_hsr_interfaces 1
+do_complete_ping_test
+
+exit $ret
--
2.20.1