| #!/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 |
| } |
| |
| # $1: IP address |
| is_v6() |
| { |
| [ -z "${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 ${ret} |
| fi |
| } |
| |
| do_complete_ping_test() |
| { |
| echo "INFO: Initial validation ping." |
| # Each node has to be able each one. |
| do_ping "$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." |
| } |
| |
| setup_hsr_interfaces() |
| { |
| local HSRv="$1" |
| |
| echo "INFO: preparing interfaces for HSRv${HSRv}." |
| # 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" |
| |
| # HSRv0/1 |
| 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 supervision 45 version $HSRv proto 0 |
| ip -net "$ns3" link add name hsr3 type hsr slave1 ns3eth1 slave2 ns3eth2 supervision 45 version $HSRv proto 0 |
| |
| # IP for HSR |
| ip -net "$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 |
| } |
| |
| 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 $i link set lo up |
| done |
| |
| setup_hsr_interfaces 0 |
| do_complete_ping_test |
| cleanup |
| |
| for i in "$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 |
