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fmaurer-rhPaolo Abeni
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Paolo Abeni
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selftests: hsr: Add ping test for PRP
Add a selftest for PRP that performs a basic ping test on IPv4 and IPv6, over the plain PRP interface and a VLAN interface, similar to the existing ping test for HSR. The test first checks reachability of the other node, then checks for no loss and no duplicates. Signed-off-by: Felix Maurer <fmaurer@redhat.com> Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Link: https://patch.msgid.link/4a342189e842d7308d037da72af566729ee75834.1770299429.git.fmaurer@redhat.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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‎tools/testing/selftests/net/hsr/Makefile‎

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@@ -5,6 +5,7 @@ top_srcdir = ../../../../..
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TEST_PROGS := \
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hsr_ping.sh \
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hsr_redbox.sh \
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prp_ping.sh \
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# end of TEST_PROGS
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TEST_FILES += hsr_common.sh

‎tools/testing/selftests/net/hsr/prp_ping.sh‎

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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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ipv6=true
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source ./hsr_common.sh
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optstring="h4"
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usage() {
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echo "Usage: $0 [OPTION]"
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echo -e "\t-4: IPv4 only: disable IPv6 tests (default: test both IPv4 and IPv6)"
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}
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while getopts "$optstring" option;do
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case "$option" in
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"h")
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usage "$0"
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exit 0
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;;
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"4")
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ipv6=false
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;;
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"?")
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usage "$0"
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exit 1
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;;
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esac
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done
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setup_prp_interfaces()
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{
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echo "INFO: Preparing interfaces for PRP"
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# Two PRP nodes, connected by two links (treated as LAN A and LAN B).
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#
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# vethA ----- vethA
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# prp1 prp2
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# vethB ----- vethB
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#
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# node1 node2
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# Interfaces
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# shellcheck disable=SC2154 # variables assigned by setup_ns
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ip link add vethA netns "$node1" type veth peer name vethA netns "$node2"
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ip link add vethB netns "$node1" type veth peer name vethB netns "$node2"
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# MAC addresses will be copied from LAN A interface
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ip -net "$node1" link set address 00:11:22:00:00:01 dev vethA
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ip -net "$node2" link set address 00:11:22:00:00:02 dev vethA
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# PRP
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ip -net "$node1" link add name prp1 type hsr \
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slave1 vethA slave2 vethB supervision 45 proto 1
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ip -net "$node2" link add name prp2 type hsr \
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slave1 vethA slave2 vethB supervision 45 proto 1
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# IP addresses
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ip -net "$node1" addr add 100.64.0.1/24 dev prp1
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ip -net "$node1" addr add dead:beef:0::1/64 dev prp1 nodad
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ip -net "$node2" addr add 100.64.0.2/24 dev prp2
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ip -net "$node2" addr add dead:beef:0::2/64 dev prp2 nodad
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# All links up
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ip -net "$node1" link set vethA up
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ip -net "$node1" link set vethB up
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ip -net "$node1" link set prp1 up
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ip -net "$node2" link set vethA up
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ip -net "$node2" link set vethB up
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ip -net "$node2" link set prp2 up
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}
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setup_vlan_interfaces()
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{
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# Interfaces
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ip -net "$node1" link add link prp1 name prp1.2 type vlan id 2
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ip -net "$node2" link add link prp2 name prp2.2 type vlan id 2
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# IP addresses
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ip -net "$node1" addr add 100.64.2.1/24 dev prp1.2
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ip -net "$node1" addr add dead:beef:2::1/64 dev prp1.2 nodad
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ip -net "$node2" addr add 100.64.2.2/24 dev prp2.2
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ip -net "$node2" addr add dead:beef:2::2/64 dev prp2.2 nodad
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# All links up
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ip -net "$node1" link set prp1.2 up
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ip -net "$node2" link set prp2.2 up
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}
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do_ping_tests()
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{
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local netid="$1"
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echo "INFO: Initial validation ping"
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do_ping "$node1" "100.64.$netid.2"
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do_ping "$node2" "100.64.$netid.1"
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stop_if_error "Initial validation failed on IPv4"
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do_ping "$node1" "dead:beef:$netid::2"
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do_ping "$node2" "dead:beef:$netid::1"
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stop_if_error "Initial validation failed on IPv6"
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echo "INFO: Longer ping test."
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do_ping_long "$node1" "100.64.$netid.2"
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do_ping_long "$node2" "100.64.$netid.1"
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stop_if_error "Longer ping test failed on IPv4."
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do_ping_long "$node1" "dead:beef:$netid::2"
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do_ping_long "$node2" "dead:beef:$netid::1"
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stop_if_error "Longer ping test failed on IPv6."
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}
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run_ping_tests()
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{
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echo "INFO: Running ping tests"
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do_ping_tests 0
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}
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run_vlan_ping_tests()
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{
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vlan_challenged_prp1=$(ip net exec "$node1" ethtool -k prp1 | \
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grep "vlan-challenged" | awk '{print $2}')
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vlan_challenged_prp2=$(ip net exec "$node2" ethtool -k prp2 | \
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grep "vlan-challenged" | awk '{print $2}')
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if [[ "$vlan_challenged_prp1" = "off" || \
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"$vlan_challenged_prp2" = "off" ]]; then
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echo "INFO: Running VLAN ping tests"
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setup_vlan_interfaces
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do_ping_tests 2
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else
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echo "INFO: Not Running VLAN tests as the device does not support VLAN"
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fi
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}
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check_prerequisites
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trap cleanup_all_ns EXIT
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setup_ns node1 node2
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setup_prp_interfaces
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run_ping_tests
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run_vlan_ping_tests
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exit $ret

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