selftests: Add a basic HSR test.
This test adds a basic HSRv0 network with 3 nodes. In its current shape it sends and forwards packets, announcements and so merges nodes based on MAC A/B information. It is able to detect duplicate packets and packetloss should any occur. Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Sebastian Andrzej Siewior
Jakub Kicinski
parent
20d3c1e9b8
commit
7d0455e970
@ -48,6 +48,7 @@ TARGETS += nci
|
||||
TARGETS += net
|
||||
TARGETS += net/af_unix
|
||||
TARGETS += net/forwarding
|
||||
TARGETS += net/hsr
|
||||
TARGETS += net/mptcp
|
||||
TARGETS += net/openvswitch
|
||||
TARGETS += netfilter
|
||||
|
||||
7
tools/testing/selftests/net/hsr/Makefile
Normal file
7
tools/testing/selftests/net/hsr/Makefile
Normal file
@ -0,0 +1,7 @@
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
top_srcdir = ../../../../..
|
||||
|
||||
TEST_PROGS := hsr_ping.sh
|
||||
|
||||
include ../../lib.mk
|
||||
4
tools/testing/selftests/net/hsr/config
Normal file
4
tools/testing/selftests/net/hsr/config
Normal file
@ -0,0 +1,4 @@
|
||||
CONFIG_IPV6=y
|
||||
CONFIG_NET_SCH_NETEM=m
|
||||
CONFIG_HSR=y
|
||||
CONFIG_VETH=y
|
||||
256
tools/testing/selftests/net/hsr/hsr_ping.sh
Executable file
256
tools/testing/selftests/net/hsr/hsr_ping.sh
Executable file
@ -0,0 +1,256 @@
|
||||
#!/bin/bash
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
ret=0
|
||||
ksft_skip=4
|
||||
ipv6=true
|
||||
|
||||
optstring="h4"
|
||||
usage() {
|
||||
echo "Usage: $0 [OPTION]"
|
||||
echo -e "\t-4: IPv4 only: disable IPv6 tests (default: test both IPv4 and IPv6)"
|
||||
}
|
||||
|
||||
while getopts "$optstring" option;do
|
||||
case "$option" in
|
||||
"h")
|
||||
usage $0
|
||||
exit 0
|
||||
;;
|
||||
"4")
|
||||
ipv6=false
|
||||
;;
|
||||
"?")
|
||||
usage $0
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
sec=$(date +%s)
|
||||
rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
|
||||
ns1="ns1-$rndh"
|
||||
ns2="ns2-$rndh"
|
||||
ns3="ns3-$rndh"
|
||||
|
||||
cleanup()
|
||||
{
|
||||
local netns
|
||||
for netns in "$ns1" "$ns2" "$ns3" ;do
|
||||
ip netns del $netns
|
||||
done
|
||||
}
|
||||
|
||||
ip -Version > /dev/null 2>&1
|
||||
if [ $? -ne 0 ];then
|
||||
echo "SKIP: Could not run test without ip tool"
|
||||
exit $ksft_skip
|
||||
fi
|
||||
|
||||
trap cleanup EXIT
|
||||
|
||||
for i in "$ns1" "$ns2" "$ns3" ;do
|
||||
ip netns add $i || exit $ksft_skip
|
||||
ip -net $i link set lo up
|
||||
done
|
||||
|
||||
echo "INFO: preparing interfaces."
|
||||
# Three HSR nodes. Each node has one link to each of its neighbour, two links in total.
|
||||
#
|
||||
# ns1eth1 ----- ns2eth1
|
||||
# hsr1 hsr2
|
||||
# ns1eth2 ns2eth2
|
||||
# | |
|
||||
# ns3eth1 ns3eth2
|
||||
# \ /
|
||||
# hsr3
|
||||
#
|
||||
# Interfaces
|
||||
ip link add ns1eth1 netns "$ns1" type veth peer name ns2eth1 netns "$ns2"
|
||||
ip link add ns1eth2 netns "$ns1" type veth peer name ns3eth1 netns "$ns3"
|
||||
ip link add ns3eth2 netns "$ns3" type veth peer name ns2eth2 netns "$ns2"
|
||||
|
||||
# HSRv0.
|
||||
ip -net "$ns1" link add name hsr1 type hsr slave1 ns1eth1 slave2 ns1eth2 supervision 45 version 0 proto 0
|
||||
ip -net "$ns2" link add name hsr2 type hsr slave1 ns2eth1 slave2 ns2eth2 supervision 45 version 0 proto 0
|
||||
ip -net "$ns3" link add name hsr3 type hsr slave1 ns3eth1 slave2 ns3eth2 supervision 45 version 0 proto 0
|
||||
|
||||
# IP for HSR
|
||||
ip -net "$ns1" addr add 100.64.0.1/24 dev hsr1
|
||||
ip -net "$ns1" addr add dead:beef:1::1/64 dev hsr1 nodad
|
||||
ip -net "$ns2" addr add 100.64.0.2/24 dev hsr2
|
||||
ip -net "$ns2" addr add dead:beef:1::2/64 dev hsr2 nodad
|
||||
ip -net "$ns3" addr add 100.64.0.3/24 dev hsr3
|
||||
ip -net "$ns3" addr add dead:beef:1::3/64 dev hsr3 nodad
|
||||
|
||||
# All Links up
|
||||
ip -net "$ns1" link set ns1eth1 up
|
||||
ip -net "$ns1" link set ns1eth2 up
|
||||
ip -net "$ns1" link set hsr1 up
|
||||
|
||||
ip -net "$ns2" link set ns2eth1 up
|
||||
ip -net "$ns2" link set ns2eth2 up
|
||||
ip -net "$ns2" link set hsr2 up
|
||||
|
||||
ip -net "$ns3" link set ns3eth1 up
|
||||
ip -net "$ns3" link set ns3eth2 up
|
||||
ip -net "$ns3" link set hsr3 up
|
||||
|
||||
# $1: IP address
|
||||
is_v6()
|
||||
{
|
||||
[ -z "${1##*:*}" ]
|
||||
}
|
||||
|
||||
do_ping()
|
||||
{
|
||||
local netns="$1"
|
||||
local connect_addr="$2"
|
||||
local ping_args="-q -c 2"
|
||||
|
||||
if is_v6 "${connect_addr}"; then
|
||||
$ipv6 || return 0
|
||||
ping_args="${ping_args} -6"
|
||||
fi
|
||||
|
||||
ip netns exec ${netns} ping ${ping_args} $connect_addr >/dev/null
|
||||
if [ $? -ne 0 ] ; then
|
||||
echo "$netns -> $connect_addr connectivity [ FAIL ]" 1>&2
|
||||
ret=1
|
||||
return 1
|
||||
fi
|
||||
|
||||
return 0
|
||||
}
|
||||
|
||||
do_ping_long()
|
||||
{
|
||||
local netns="$1"
|
||||
local connect_addr="$2"
|
||||
local ping_args="-q -c 10"
|
||||
|
||||
if is_v6 "${connect_addr}"; then
|
||||
$ipv6 || return 0
|
||||
ping_args="${ping_args} -6"
|
||||
fi
|
||||
|
||||
OUT="$(LANG=C ip netns exec ${netns} ping ${ping_args} $connect_addr | grep received)"
|
||||
if [ $? -ne 0 ] ; then
|
||||
echo "$netns -> $connect_addr ping [ FAIL ]" 1>&2
|
||||
ret=1
|
||||
return 1
|
||||
fi
|
||||
|
||||
VAL="$(echo $OUT | cut -d' ' -f1-8)"
|
||||
if [ "$VAL" != "10 packets transmitted, 10 received, 0% packet loss," ]
|
||||
then
|
||||
echo "$netns -> $connect_addr ping TEST [ FAIL ]"
|
||||
echo "Expect to send and receive 10 packets and no duplicates."
|
||||
echo "Full message: ${OUT}."
|
||||
ret=1
|
||||
return 1
|
||||
fi
|
||||
|
||||
return 0
|
||||
}
|
||||
|
||||
stop_if_error()
|
||||
{
|
||||
local msg="$1"
|
||||
|
||||
if [ ${ret} -ne 0 ]; then
|
||||
echo "FAIL: ${msg}" 1>&2
|
||||
exit ${ret}
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
echo "INFO: Initial validation ping."
|
||||
# Each node has to be able each one.
|
||||
do_ping "$ns1" 100.64.0.2
|
||||
do_ping "$ns2" 100.64.0.1
|
||||
do_ping "$ns3" 100.64.0.1
|
||||
stop_if_error "Initial validation failed."
|
||||
|
||||
do_ping "$ns1" 100.64.0.3
|
||||
do_ping "$ns2" 100.64.0.3
|
||||
do_ping "$ns3" 100.64.0.2
|
||||
|
||||
do_ping "$ns1" dead:beef:1::2
|
||||
do_ping "$ns1" dead:beef:1::3
|
||||
do_ping "$ns2" dead:beef:1::1
|
||||
do_ping "$ns2" dead:beef:1::2
|
||||
do_ping "$ns3" dead:beef:1::1
|
||||
do_ping "$ns3" dead:beef:1::2
|
||||
|
||||
stop_if_error "Initial validation failed."
|
||||
|
||||
# Wait until supervisor all supervision frames have been processed and the node
|
||||
# entries have been merged. Otherwise duplicate frames will be observed which is
|
||||
# valid at this stage.
|
||||
WAIT=5
|
||||
while [ ${WAIT} -gt 0 ]
|
||||
do
|
||||
grep 00:00:00:00:00:00 /sys/kernel/debug/hsr/hsr*/node_table
|
||||
if [ $? -ne 0 ]
|
||||
then
|
||||
break
|
||||
fi
|
||||
sleep 1
|
||||
let WAIT = WAIT - 1
|
||||
done
|
||||
|
||||
# Just a safety delay in case the above check didn't handle it.
|
||||
sleep 1
|
||||
|
||||
echo "INFO: Longer ping test."
|
||||
do_ping_long "$ns1" 100.64.0.2
|
||||
do_ping_long "$ns1" dead:beef:1::2
|
||||
do_ping_long "$ns1" 100.64.0.3
|
||||
do_ping_long "$ns1" dead:beef:1::3
|
||||
|
||||
stop_if_error "Longer ping test failed."
|
||||
|
||||
do_ping_long "$ns2" 100.64.0.1
|
||||
do_ping_long "$ns2" dead:beef:1::1
|
||||
do_ping_long "$ns2" 100.64.0.3
|
||||
do_ping_long "$ns2" dead:beef:1::2
|
||||
stop_if_error "Longer ping test failed."
|
||||
|
||||
do_ping_long "$ns3" 100.64.0.1
|
||||
do_ping_long "$ns3" dead:beef:1::1
|
||||
do_ping_long "$ns3" 100.64.0.2
|
||||
do_ping_long "$ns3" dead:beef:1::2
|
||||
stop_if_error "Longer ping test failed."
|
||||
|
||||
echo "INFO: Cutting one link."
|
||||
do_ping_long "$ns1" 100.64.0.3 &
|
||||
|
||||
sleep 3
|
||||
ip -net "$ns3" link set ns3eth1 down
|
||||
wait
|
||||
|
||||
ip -net "$ns3" link set ns3eth1 up
|
||||
|
||||
stop_if_error "Failed with one link down."
|
||||
|
||||
echo "INFO: Delay the link and drop a few packages."
|
||||
tc -net "$ns3" qdisc add dev ns3eth1 root netem delay 50ms
|
||||
tc -net "$ns2" qdisc add dev ns2eth1 root netem delay 5ms loss 25%
|
||||
|
||||
do_ping_long "$ns1" 100.64.0.2
|
||||
do_ping_long "$ns1" 100.64.0.3
|
||||
|
||||
stop_if_error "Failed with delay and packetloss."
|
||||
|
||||
do_ping_long "$ns2" 100.64.0.1
|
||||
do_ping_long "$ns2" 100.64.0.3
|
||||
|
||||
stop_if_error "Failed with delay and packetloss."
|
||||
|
||||
do_ping_long "$ns3" 100.64.0.1
|
||||
do_ping_long "$ns3" 100.64.0.2
|
||||
stop_if_error "Failed with delay and packetloss."
|
||||
|
||||
echo "INFO: All good."
|
||||
exit $ret
|
||||
Loading…
x
Reference in New Issue
Block a user