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-rwxr-xr-xtools/testing/selftests/net/fcnal-test.sh3432
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diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh
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index 000000000000..9fd3a0b97f0d
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@@ -0,0 +1,3432 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2019 David Ahern <dsahern@gmail.com>. All rights reserved.
+#
+# IPv4 and IPv6 functional tests focusing on VRF and routing lookups
+# for various permutations:
+# 1. icmp, tcp, udp and netfilter
+# 2. client, server, no-server
+# 3. global address on interface
+# 4. global address on 'lo'
+# 5. remote and local traffic
+# 6. VRF and non-VRF permutations
+#
+# Setup:
+# ns-A | ns-B
+# No VRF case:
+# [ lo ] [ eth1 ]---|---[ eth1 ] [ lo ]
+# remote address
+# VRF case:
+# [ red ]---[ eth1 ]---|---[ eth1 ] [ lo ]
+#
+# ns-A:
+# eth1: 172.16.1.1/24, 2001:db8:1::1/64
+# lo: 127.0.0.1/8, ::1/128
+# 172.16.2.1/32, 2001:db8:2::1/128
+# red: 127.0.0.1/8, ::1/128
+# 172.16.3.1/32, 2001:db8:3::1/128
+#
+# ns-B:
+# eth1: 172.16.1.2/24, 2001:db8:1::2/64
+# lo2: 127.0.0.1/8, ::1/128
+# 172.16.2.2/32, 2001:db8:2::2/128
+#
+# server / client nomenclature relative to ns-A
+
+VERBOSE=0
+
+NSA_DEV=eth1
+NSB_DEV=eth1
+VRF=red
+VRF_TABLE=1101
+
+# IPv4 config
+NSA_IP=172.16.1.1
+NSB_IP=172.16.1.2
+VRF_IP=172.16.3.1
+
+# IPv6 config
+NSA_IP6=2001:db8:1::1
+NSB_IP6=2001:db8:1::2
+VRF_IP6=2001:db8:3::1
+
+NSA_LO_IP=172.16.2.1
+NSB_LO_IP=172.16.2.2
+NSA_LO_IP6=2001:db8:2::1
+NSB_LO_IP6=2001:db8:2::2
+
+MCAST=ff02::1
+# set after namespace create
+NSA_LINKIP6=
+NSB_LINKIP6=
+
+NSA=ns-A
+NSB=ns-B
+
+NSA_CMD="ip netns exec ${NSA}"
+NSB_CMD="ip netns exec ${NSB}"
+
+which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
+
+################################################################################
+# utilities
+
+log_test()
+{
+ local rc=$1
+ local expected=$2
+ local msg="$3"
+
+ [ "${VERBOSE}" = "1" ] && echo
+
+ if [ ${rc} -eq ${expected} ]; then
+ nsuccess=$((nsuccess+1))
+ printf "TEST: %-70s [ OK ]\n" "${msg}"
+ else
+ nfail=$((nfail+1))
+ printf "TEST: %-70s [FAIL]\n" "${msg}"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+ fi
+
+ if [ "${PAUSE}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+
+ kill_procs
+}
+
+log_test_addr()
+{
+ local addr=$1
+ local rc=$2
+ local expected=$3
+ local msg="$4"
+ local astr
+
+ astr=$(addr2str ${addr})
+ log_test $rc $expected "$msg - ${astr}"
+}
+
+log_section()
+{
+ echo
+ echo "###########################################################################"
+ echo "$*"
+ echo "###########################################################################"
+ echo
+}
+
+log_subsection()
+{
+ echo
+ echo "#################################################################"
+ echo "$*"
+ echo
+}
+
+log_start()
+{
+ # make sure we have no test instances running
+ kill_procs
+
+ if [ "${VERBOSE}" = "1" ]; then
+ echo
+ echo "#######################################################"
+ fi
+}
+
+log_debug()
+{
+ if [ "${VERBOSE}" = "1" ]; then
+ echo
+ echo "$*"
+ echo
+ fi
+}
+
+show_hint()
+{
+ if [ "${VERBOSE}" = "1" ]; then
+ echo "HINT: $*"
+ echo
+ fi
+}
+
+kill_procs()
+{
+ killall nettest ping ping6 >/dev/null 2>&1
+ sleep 1
+}
+
+do_run_cmd()
+{
+ local cmd="$*"
+ local out
+
+ if [ "$VERBOSE" = "1" ]; then
+ echo "COMMAND: ${cmd}"
+ fi
+
+ out=$($cmd 2>&1)
+ rc=$?
+ if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+ echo "$out"
+ fi
+
+ return $rc
+}
+
+run_cmd()
+{
+ do_run_cmd ${NSA_CMD} $*
+}
+
+run_cmd_nsb()
+{
+ do_run_cmd ${NSB_CMD} $*
+}
+
+setup_cmd()
+{
+ local cmd="$*"
+ local rc
+
+ run_cmd ${cmd}
+ rc=$?
+ if [ $rc -ne 0 ]; then
+ # show user the command if not done so already
+ if [ "$VERBOSE" = "0" ]; then
+ echo "setup command: $cmd"
+ fi
+ echo "failed. stopping tests"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue"
+ read a
+ fi
+ exit $rc
+ fi
+}
+
+setup_cmd_nsb()
+{
+ local cmd="$*"
+ local rc
+
+ run_cmd_nsb ${cmd}
+ rc=$?
+ if [ $rc -ne 0 ]; then
+ # show user the command if not done so already
+ if [ "$VERBOSE" = "0" ]; then
+ echo "setup command: $cmd"
+ fi
+ echo "failed. stopping tests"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue"
+ read a
+ fi
+ exit $rc
+ fi
+}
+
+# set sysctl values in NS-A
+set_sysctl()
+{
+ echo "SYSCTL: $*"
+ echo
+ run_cmd sysctl -q -w $*
+}
+
+################################################################################
+# Setup for tests
+
+addr2str()
+{
+ case "$1" in
+ 127.0.0.1) echo "loopback";;
+ ::1) echo "IPv6 loopback";;
+
+ ${NSA_IP}) echo "ns-A IP";;
+ ${NSA_IP6}) echo "ns-A IPv6";;
+ ${NSA_LO_IP}) echo "ns-A loopback IP";;
+ ${NSA_LO_IP6}) echo "ns-A loopback IPv6";;
+ ${NSA_LINKIP6}|${NSA_LINKIP6}%*) echo "ns-A IPv6 LLA";;
+
+ ${NSB_IP}) echo "ns-B IP";;
+ ${NSB_IP6}) echo "ns-B IPv6";;
+ ${NSB_LO_IP}) echo "ns-B loopback IP";;
+ ${NSB_LO_IP6}) echo "ns-B loopback IPv6";;
+ ${NSB_LINKIP6}|${NSB_LINKIP6}%*) echo "ns-B IPv6 LLA";;
+
+ ${VRF_IP}) echo "VRF IP";;
+ ${VRF_IP6}) echo "VRF IPv6";;
+
+ ${MCAST}%*) echo "multicast IP";;
+
+ *) echo "unknown";;
+ esac
+}
+
+get_linklocal()
+{
+ local ns=$1
+ local dev=$2
+ local addr
+
+ addr=$(ip -netns ${ns} -6 -br addr show dev ${dev} | \
+ awk '{
+ for (i = 3; i <= NF; ++i) {
+ if ($i ~ /^fe80/)
+ print $i
+ }
+ }'
+ )
+ addr=${addr/\/*}
+
+ [ -z "$addr" ] && return 1
+
+ echo $addr
+
+ return 0
+}
+
+################################################################################
+# create namespaces and vrf
+
+create_vrf()
+{
+ local ns=$1
+ local vrf=$2
+ local table=$3
+ local addr=$4
+ local addr6=$5
+
+ ip -netns ${ns} link add ${vrf} type vrf table ${table}
+ ip -netns ${ns} link set ${vrf} up
+ ip -netns ${ns} route add vrf ${vrf} unreachable default metric 8192
+ ip -netns ${ns} -6 route add vrf ${vrf} unreachable default metric 8192
+
+ ip -netns ${ns} addr add 127.0.0.1/8 dev ${vrf}
+ ip -netns ${ns} -6 addr add ::1 dev ${vrf} nodad
+ if [ "${addr}" != "-" ]; then
+ ip -netns ${ns} addr add dev ${vrf} ${addr}
+ fi
+ if [ "${addr6}" != "-" ]; then
+ ip -netns ${ns} -6 addr add dev ${vrf} ${addr6}
+ fi
+
+ ip -netns ${ns} ru del pref 0
+ ip -netns ${ns} ru add pref 32765 from all lookup local
+ ip -netns ${ns} -6 ru del pref 0
+ ip -netns ${ns} -6 ru add pref 32765 from all lookup local
+}
+
+create_ns()
+{
+ local ns=$1
+ local addr=$2
+ local addr6=$3
+
+ ip netns add ${ns}
+
+ ip -netns ${ns} link set lo up
+ if [ "${addr}" != "-" ]; then
+ ip -netns ${ns} addr add dev lo ${addr}
+ fi
+ if [ "${addr6}" != "-" ]; then
+ ip -netns ${ns} -6 addr add dev lo ${addr6}
+ fi
+
+ ip -netns ${ns} ro add unreachable default metric 8192
+ ip -netns ${ns} -6 ro add unreachable default metric 8192
+
+ ip netns exec ${ns} sysctl -qw net.ipv4.ip_forward=1
+ ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1
+ ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.forwarding=1
+ ip netns exec ${ns} sysctl -qw net.ipv6.conf.default.forwarding=1
+}
+
+# create veth pair to connect namespaces and apply addresses.
+connect_ns()
+{
+ local ns1=$1
+ local ns1_dev=$2
+ local ns1_addr=$3
+ local ns1_addr6=$4
+ local ns2=$5
+ local ns2_dev=$6
+ local ns2_addr=$7
+ local ns2_addr6=$8
+
+ ip -netns ${ns1} li add ${ns1_dev} type veth peer name tmp
+ ip -netns ${ns1} li set ${ns1_dev} up
+ ip -netns ${ns1} li set tmp netns ${ns2} name ${ns2_dev}
+ ip -netns ${ns2} li set ${ns2_dev} up
+
+ if [ "${ns1_addr}" != "-" ]; then
+ ip -netns ${ns1} addr add dev ${ns1_dev} ${ns1_addr}
+ ip -netns ${ns2} addr add dev ${ns2_dev} ${ns2_addr}
+ fi
+
+ if [ "${ns1_addr6}" != "-" ]; then
+ ip -netns ${ns1} addr add dev ${ns1_dev} ${ns1_addr6}
+ ip -netns ${ns2} addr add dev ${ns2_dev} ${ns2_addr6}
+ fi
+}
+
+cleanup()
+{
+ # explicit cleanups to check those code paths
+ ip netns | grep -q ${NSA}
+ if [ $? -eq 0 ]; then
+ ip -netns ${NSA} link delete ${VRF}
+ ip -netns ${NSA} ro flush table ${VRF_TABLE}
+
+ ip -netns ${NSA} addr flush dev ${NSA_DEV}
+ ip -netns ${NSA} -6 addr flush dev ${NSA_DEV}
+ ip -netns ${NSA} link set dev ${NSA_DEV} down
+ ip -netns ${NSA} link del dev ${NSA_DEV}
+
+ ip netns del ${NSA}
+ fi
+
+ ip netns del ${NSB}
+}
+
+setup()
+{
+ local with_vrf=${1}
+
+ # make sure we are starting with a clean slate
+ kill_procs
+ cleanup 2>/dev/null
+
+ log_debug "Configuring network namespaces"
+ set -e
+
+ create_ns ${NSA} ${NSA_LO_IP}/32 ${NSA_LO_IP6}/128
+ create_ns ${NSB} ${NSB_LO_IP}/32 ${NSB_LO_IP6}/128
+ connect_ns ${NSA} ${NSA_DEV} ${NSA_IP}/24 ${NSA_IP6}/64 \
+ ${NSB} ${NSB_DEV} ${NSB_IP}/24 ${NSB_IP6}/64
+
+ NSA_LINKIP6=$(get_linklocal ${NSA} ${NSA_DEV})
+ NSB_LINKIP6=$(get_linklocal ${NSB} ${NSB_DEV})
+
+ # tell ns-A how to get to remote addresses of ns-B
+ if [ "${with_vrf}" = "yes" ]; then
+ create_vrf ${NSA} ${VRF} ${VRF_TABLE} ${VRF_IP} ${VRF_IP6}
+
+ ip -netns ${NSA} link set dev ${NSA_DEV} vrf ${VRF}
+ ip -netns ${NSA} ro add vrf ${VRF} ${NSB_LO_IP}/32 via ${NSB_IP} dev ${NSA_DEV}
+ ip -netns ${NSA} -6 ro add vrf ${VRF} ${NSB_LO_IP6}/128 via ${NSB_IP6} dev ${NSA_DEV}
+
+ ip -netns ${NSB} ro add ${VRF_IP}/32 via ${NSA_IP} dev ${NSB_DEV}
+ ip -netns ${NSB} -6 ro add ${VRF_IP6}/128 via ${NSA_IP6} dev ${NSB_DEV}
+ else
+ ip -netns ${NSA} ro add ${NSB_LO_IP}/32 via ${NSB_IP} dev ${NSA_DEV}
+ ip -netns ${NSA} ro add ${NSB_LO_IP6}/128 via ${NSB_IP6} dev ${NSA_DEV}
+ fi
+
+
+ # tell ns-B how to get to remote addresses of ns-A
+ ip -netns ${NSB} ro add ${NSA_LO_IP}/32 via ${NSA_IP} dev ${NSB_DEV}
+ ip -netns ${NSB} ro add ${NSA_LO_IP6}/128 via ${NSA_IP6} dev ${NSB_DEV}
+
+ set +e
+
+ sleep 1
+}
+
+################################################################################
+# IPv4
+
+ipv4_ping_novrf()
+{
+ local a
+
+ #
+ # out
+ #
+ for a in ${NSB_IP} ${NSB_LO_IP}
+ do
+ log_start
+ run_cmd ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 0 "ping out"
+
+ log_start
+ run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 0 "ping out, device bind"
+
+ log_start
+ run_cmd ping -c1 -w1 -I ${NSA_LO_IP} ${a}
+ log_test_addr ${a} $? 0 "ping out, address bind"
+ done
+
+ #
+ # in
+ #
+ for a in ${NSA_IP} ${NSA_LO_IP}
+ do
+ log_start
+ run_cmd_nsb ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 0 "ping in"
+ done
+
+ #
+ # local traffic
+ #
+ for a in ${NSA_IP} ${NSA_LO_IP} 127.0.0.1
+ do
+ log_start
+ run_cmd ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 0 "ping local"
+ done
+
+ #
+ # local traffic, socket bound to device
+ #
+ # address on device
+ a=${NSA_IP}
+ log_start
+ run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 0 "ping local, device bind"
+
+ # loopback addresses not reachable from device bind
+ # fails in a really weird way though because ipv4 special cases
+ # route lookups with oif set.
+ for a in ${NSA_LO_IP} 127.0.0.1
+ do
+ log_start
+ show_hint "Fails since address on loopback device is out of device scope"
+ run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 1 "ping local, device bind"
+ done
+
+ #
+ # ip rule blocks reachability to remote address
+ #
+ log_start
+ setup_cmd ip rule add pref 32765 from all lookup local
+ setup_cmd ip rule del pref 0 from all lookup local
+ setup_cmd ip rule add pref 50 to ${NSB_LO_IP} prohibit
+ setup_cmd ip rule add pref 51 from ${NSB_IP} prohibit
+
+ a=${NSB_LO_IP}
+ run_cmd ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, blocked by rule"
+
+ # NOTE: ipv4 actually allows the lookup to fail and yet still create
+ # a viable rtable if the oif (e.g., bind to device) is set, so this
+ # case succeeds despite the rule
+ # run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+
+ a=${NSA_LO_IP}
+ log_start
+ show_hint "Response generates ICMP (or arp request is ignored) due to ip rule"
+ run_cmd_nsb ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 1 "ping in, blocked by rule"
+
+ [ "$VERBOSE" = "1" ] && echo
+ setup_cmd ip rule del pref 32765 from all lookup local
+ setup_cmd ip rule add pref 0 from all lookup local
+ setup_cmd ip rule del pref 50 to ${NSB_LO_IP} prohibit
+ setup_cmd ip rule del pref 51 from ${NSB_IP} prohibit
+
+ #
+ # route blocks reachability to remote address
+ #
+ log_start
+ setup_cmd ip route replace unreachable ${NSB_LO_IP}
+ setup_cmd ip route replace unreachable ${NSB_IP}
+
+ a=${NSB_LO_IP}
+ run_cmd ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, blocked by route"
+
+ # NOTE: ipv4 actually allows the lookup to fail and yet still create
+ # a viable rtable if the oif (e.g., bind to device) is set, so this
+ # case succeeds despite not having a route for the address
+ # run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+
+ a=${NSA_LO_IP}
+ log_start
+ show_hint "Response is dropped (or arp request is ignored) due to ip route"
+ run_cmd_nsb ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 1 "ping in, blocked by route"
+
+ #
+ # remove 'remote' routes; fallback to default
+ #
+ log_start
+ setup_cmd ip ro del ${NSB_LO_IP}
+
+ a=${NSB_LO_IP}
+ run_cmd ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, unreachable default route"
+
+ # NOTE: ipv4 actually allows the lookup to fail and yet still create
+ # a viable rtable if the oif (e.g., bind to device) is set, so this
+ # case succeeds despite not having a route for the address
+ # run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+}
+
+ipv4_ping_vrf()
+{
+ local a
+
+ # should default on; does not exist on older kernels
+ set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null
+
+ #
+ # out
+ #
+ for a in ${NSB_IP} ${NSB_LO_IP}
+ do
+ log_start
+ run_cmd ping -c1 -w1 -I ${VRF} ${a}
+ log_test_addr ${a} $? 0 "ping out, VRF bind"
+
+ log_start
+ run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 0 "ping out, device bind"
+
+ log_start
+ run_cmd ip vrf exec ${VRF} ping -c1 -w1 -I ${NSA_IP} ${a}
+ log_test_addr ${a} $? 0 "ping out, vrf device + dev address bind"
+
+ log_start
+ run_cmd ip vrf exec ${VRF} ping -c1 -w1 -I ${VRF_IP} ${a}
+ log_test_addr ${a} $? 0 "ping out, vrf device + vrf address bind"
+ done
+
+ #
+ # in
+ #
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd_nsb ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 0 "ping in"
+ done
+
+ #
+ # local traffic, local address
+ #
+ for a in ${NSA_IP} ${VRF_IP} 127.0.0.1
+ do
+ log_start
+ show_hint "Source address should be ${a}"
+ run_cmd ping -c1 -w1 -I ${VRF} ${a}
+ log_test_addr ${a} $? 0 "ping local, VRF bind"
+ done
+
+ #
+ # local traffic, socket bound to device
+ #
+ # address on device
+ a=${NSA_IP}
+ log_start
+ run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 0 "ping local, device bind"
+
+ # vrf device is out of scope
+ for a in ${VRF_IP} 127.0.0.1
+ do
+ log_start
+ show_hint "Fails since address on vrf device is out of device scope"
+ run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 1 "ping local, device bind"
+ done
+
+ #
+ # ip rule blocks address
+ #
+ log_start
+ setup_cmd ip rule add pref 50 to ${NSB_LO_IP} prohibit
+ setup_cmd ip rule add pref 51 from ${NSB_IP} prohibit
+
+ a=${NSB_LO_IP}
+ run_cmd ping -c1 -w1 -I ${VRF} ${a}
+ log_test_addr ${a} $? 2 "ping out, vrf bind, blocked by rule"
+
+ log_start
+ run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 2 "ping out, device bind, blocked by rule"
+
+ a=${NSA_LO_IP}
+ log_start
+ show_hint "Response lost due to ip rule"
+ run_cmd_nsb ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 1 "ping in, blocked by rule"
+
+ [ "$VERBOSE" = "1" ] && echo
+ setup_cmd ip rule del pref 50 to ${NSB_LO_IP} prohibit
+ setup_cmd ip rule del pref 51 from ${NSB_IP} prohibit
+
+ #
+ # remove 'remote' routes; fallback to default
+ #
+ log_start
+ setup_cmd ip ro del vrf ${VRF} ${NSB_LO_IP}
+
+ a=${NSB_LO_IP}
+ run_cmd ping -c1 -w1 -I ${VRF} ${a}
+ log_test_addr ${a} $? 2 "ping out, vrf bind, unreachable route"
+
+ log_start
+ run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 2 "ping out, device bind, unreachable route"
+
+ a=${NSA_LO_IP}
+ log_start
+ show_hint "Response lost by unreachable route"
+ run_cmd_nsb ping -c1 -w1 ${a}
+ log_test_addr ${a} $? 1 "ping in, unreachable route"
+}
+
+ipv4_ping()
+{
+ log_section "IPv4 ping"
+
+ log_subsection "No VRF"
+ setup
+ set_sysctl net.ipv4.raw_l3mdev_accept=0 2>/dev/null
+ ipv4_ping_novrf
+ setup
+ set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null
+ ipv4_ping_novrf
+
+ log_subsection "With VRF"
+ setup "yes"
+ ipv4_ping_vrf
+}
+
+################################################################################
+# IPv4 TCP
+
+ipv4_tcp_novrf()
+{
+ local a
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP} ${NSA_LO_IP}
+ do
+ log_start
+ run_cmd nettest -s &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s -d ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 0 "Device server"
+
+ # verify TCP reset sent and received
+ for a in ${NSA_IP} ${NSA_LO_IP}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since there is no server"
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ #
+ # client
+ #
+ for a in ${NSB_IP} ${NSB_LO_IP}
+ do
+ log_start
+ run_cmd_nsb nettest -s &
+ sleep 1
+ run_cmd nettest -r ${a} -0 ${NSA_IP}
+ log_test_addr ${a} $? 0 "Client"
+
+ log_start
+ run_cmd_nsb nettest -s &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 0 "Client, device bind"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -r ${a}
+ log_test_addr ${a} $? 1 "No server, unbound client"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "No server, device client"
+ done
+
+ #
+ # local address tests
+ #
+ for a in ${NSA_IP} ${NSA_LO_IP} 127.0.0.1
+ do
+ log_start
+ run_cmd nettest -s &
+ sleep 1
+ run_cmd nettest -r ${a} -0 ${a} -1 ${a}
+ log_test_addr ${a} $? 0 "Global server, local connection"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s -d ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -r ${a} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, unbound client, local connection"
+
+ for a in ${NSA_LO_IP} 127.0.0.1
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since addresses on loopback are out of device scope"
+ run_cmd nettest -s -d ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -r ${a}
+ log_test_addr ${a} $? 1 "Device server, unbound client, local connection"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s &
+ sleep 1
+ run_cmd nettest -r ${a} -0 ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 0 "Global server, device client, local connection"
+
+ for a in ${NSA_LO_IP} 127.0.0.1
+ do
+ log_start
+ show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope"
+ run_cmd nettest -s &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "Global server, device client, local connection"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -d ${NSA_DEV} -r ${a} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, device client, local connection"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 1 "No server, device client, local conn"
+}
+
+ipv4_tcp_vrf()
+{
+ local a
+
+ # disable global server
+ log_subsection "Global server disabled"
+
+ set_sysctl net.ipv4.tcp_l3mdev_accept=0
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since global server with VRF is disabled"
+ run_cmd nettest -s &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 1 "Global server"
+
+ log_start
+ run_cmd nettest -s -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+
+ log_start
+ run_cmd nettest -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 0 "Device server"
+
+ # verify TCP reset received
+ log_start
+ show_hint "Should fail 'Connection refused' since there is no server"
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ # local address tests
+ # (${VRF_IP} and 127.0.0.1 both timeout)
+ a=${NSA_IP}
+ log_start
+ show_hint "Should fail 'Connection refused' since global server with VRF is disabled"
+ run_cmd nettest -s &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "Global server, local connection"
+
+ #
+ # enable VRF global server
+ #
+ log_subsection "VRF Global server enabled"
+ set_sysctl net.ipv4.tcp_l3mdev_accept=1
+
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ show_hint "client socket should be bound to VRF"
+ run_cmd nettest -s -2 ${VRF} &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+
+ log_start
+ show_hint "client socket should be bound to VRF"
+ run_cmd nettest -s -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+
+ # verify TCP reset received
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ a=${NSA_IP}
+ log_start
+ show_hint "client socket should be bound to device"
+ run_cmd nettest -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 0 "Device server"
+
+ # local address tests
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ show_hint "Should fail 'No route to host' since client is not bound to VRF"
+ run_cmd nettest -s -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -r ${a}
+ log_test_addr ${a} $? 1 "Global server, local connection"
+ done
+
+ #
+ # client
+ #
+ for a in ${NSB_IP} ${NSB_LO_IP}
+ do
+ log_start
+ run_cmd_nsb nettest -s &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${VRF}
+ log_test_addr ${a} $? 0 "Client, VRF bind"
+
+ log_start
+ run_cmd_nsb nettest -s &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 0 "Client, device bind"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -r ${a} -d ${VRF}
+ log_test_addr ${a} $? 1 "No server, VRF client"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "No server, device client"
+ done
+
+ for a in ${NSA_IP} ${VRF_IP} 127.0.0.1
+ do
+ log_start
+ run_cmd nettest -s -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${VRF} -0 ${a}
+ log_test_addr ${a} $? 0 "VRF server, VRF client, local connection"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${NSA_DEV} -0 ${a}
+ log_test_addr ${a} $? 0 "VRF server, device client, local connection"
+
+ log_start
+ show_hint "Should fail 'No route to host' since client is out of VRF scope"
+ run_cmd nettest -s -d ${VRF} &
+ sleep 1
+ run_cmd nettest -r ${a}
+ log_test_addr ${a} $? 1 "VRF server, unbound client, local connection"
+
+ log_start
+ run_cmd nettest -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${VRF} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, VRF client, local connection"
+
+ log_start
+ run_cmd nettest -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -r ${a} -d ${NSA_DEV} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, device client, local connection"
+}
+
+ipv4_tcp()
+{
+ log_section "IPv4/TCP"
+ log_subsection "No VRF"
+ setup
+
+ # tcp_l3mdev_accept should have no affect without VRF;
+ # run tests with it enabled and disabled to verify
+ log_subsection "tcp_l3mdev_accept disabled"
+ set_sysctl net.ipv4.tcp_l3mdev_accept=0
+ ipv4_tcp_novrf
+ log_subsection "tcp_l3mdev_accept enabled"
+ set_sysctl net.ipv4.tcp_l3mdev_accept=1
+ ipv4_tcp_novrf
+
+ log_subsection "With VRF"
+ setup "yes"
+ ipv4_tcp_vrf
+}
+
+################################################################################
+# IPv4 UDP
+
+ipv4_udp_novrf()
+{
+ local a
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP} ${NSA_LO_IP}
+ do
+ log_start
+ run_cmd nettest -D -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+
+ log_start
+ show_hint "Should fail 'Connection refused' since there is no server"
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 0 "Device server"
+
+ #
+ # client
+ #
+ for a in ${NSB_IP} ${NSB_LO_IP}
+ do
+ log_start
+ run_cmd_nsb nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -r ${a} -0 ${NSA_IP}
+ log_test_addr ${a} $? 0 "Client"
+
+ log_start
+ run_cmd_nsb nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -r ${a} -d ${NSA_DEV} -0 ${NSA_IP}
+ log_test_addr ${a} $? 0 "Client, device bind"
+
+ log_start
+ run_cmd_nsb nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -r ${a} -d ${NSA_DEV} -C -0 ${NSA_IP}
+ log_test_addr ${a} $? 0 "Client, device send via cmsg"
+
+ log_start
+ run_cmd_nsb nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -r ${a} -d ${NSA_DEV} -S -0 ${NSA_IP}
+ log_test_addr ${a} $? 0 "Client, device bind via IP_UNICAST_IF"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -D -r ${a}
+ log_test_addr ${a} $? 1 "No server, unbound client"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -D -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "No server, device client"
+ done
+
+ #
+ # local address tests
+ #
+ for a in ${NSA_IP} ${NSA_LO_IP} 127.0.0.1
+ do
+ log_start
+ run_cmd nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -r ${a} -0 ${a} -1 ${a}
+ log_test_addr ${a} $? 0 "Global server, local connection"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -r ${a}
+ log_test_addr ${a} $? 0 "Device server, unbound client, local connection"
+
+ for a in ${NSA_LO_IP} 127.0.0.1
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since address is out of device scope"
+ run_cmd nettest -s -D -d ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -r ${a}
+ log_test_addr ${a} $? 1 "Device server, unbound client, local connection"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s -D &
+ sleep 1
+ run_cmd nettest -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "Global server, device client, local connection"
+
+ log_start
+ run_cmd nettest -s -D &
+ sleep 1
+ run_cmd nettest -D -d ${NSA_DEV} -C -r ${a}
+ log_test_addr ${a} $? 0 "Global server, device send via cmsg, local connection"
+
+ log_start
+ run_cmd nettest -s -D &
+ sleep 1
+ run_cmd nettest -D -d ${NSA_DEV} -S -r ${a}
+ log_test_addr ${a} $? 0 "Global server, device client via IP_UNICAST_IF, local connection"
+
+ # IPv4 with device bind has really weird behavior - it overrides the
+ # fib lookup, generates an rtable and tries to send the packet. This
+ # causes failures for local traffic at different places
+ for a in ${NSA_LO_IP} 127.0.0.1
+ do
+ log_start
+ show_hint "Should fail since addresses on loopback are out of device scope"
+ run_cmd nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 2 "Global server, device client, local connection"
+
+ log_start
+ show_hint "Should fail since addresses on loopback are out of device scope"
+ run_cmd nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -r ${a} -d ${NSA_DEV} -C
+ log_test_addr ${a} $? 1 "Global server, device send via cmsg, local connection"
+
+ log_start
+ show_hint "Should fail since addresses on loopback are out of device scope"
+ run_cmd nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -r ${a} -d ${NSA_DEV} -S
+ log_test_addr ${a} $? 1 "Global server, device client via IP_UNICAST_IF, local connection"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -D -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${NSA_DEV} -r ${a} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, device client, local conn"
+
+ log_start
+ run_cmd nettest -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 2 "No server, device client, local conn"
+}
+
+ipv4_udp_vrf()
+{
+ local a
+
+ # disable global server
+ log_subsection "Global server disabled"
+ set_sysctl net.ipv4.udp_l3mdev_accept=0
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ show_hint "Fails because ingress is in a VRF and global server is disabled"
+ run_cmd nettest -D -s &
+ sleep 1
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 1 "Global server"
+
+ log_start
+ run_cmd nettest -D -d ${VRF} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+
+ log_start
+ run_cmd nettest -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server"
+
+ log_start
+ show_hint "Should fail 'Connection refused' since there is no server"
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+
+ log_start
+ show_hint "Should fail 'Connection refused' since global server is out of scope"
+ run_cmd nettest -D -s &
+ sleep 1
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 1 "Global server, VRF client, local connection"
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s -D -d ${VRF} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"
+
+ log_start
+ run_cmd nettest -s -D -d ${VRF} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, enslaved device client, local connection"
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server, VRF client, local conn"
+
+ log_start
+ run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server, device client, local conn"
+
+ # enable global server
+ log_subsection "Global server enabled"
+ set_sysctl net.ipv4.udp_l3mdev_accept=1
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest -D -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+
+ log_start
+ run_cmd nettest -D -d ${VRF} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+
+ log_start
+ run_cmd nettest -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd_nsb nettest -D -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ #
+ # client tests
+ #
+ log_start
+ run_cmd_nsb nettest -D -s &
+ sleep 1
+ run_cmd nettest -d ${VRF} -D -r ${NSB_IP} -1 ${NSA_IP}
+ log_test $? 0 "VRF client"
+
+ log_start
+ run_cmd_nsb nettest -D -s &
+ sleep 1
+ run_cmd nettest -d ${NSA_DEV} -D -r ${NSB_IP} -1 ${NSA_IP}
+ log_test $? 0 "Enslaved device client"
+
+ # negative test - should fail
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -D -d ${VRF} -r ${NSB_IP}
+ log_test $? 1 "No server, VRF client"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -D -d ${NSA_DEV} -r ${NSB_IP}
+ log_test $? 1 "No server, enslaved device client"
+
+ #
+ # local address tests
+ #
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -D -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "Global server, VRF client, local conn"
+
+ log_start
+ run_cmd nettest -s -D -d ${VRF} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"
+
+ log_start
+ run_cmd nettest -s -D -d ${VRF} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, device client, local conn"
+
+ log_start
+ run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server, VRF client, local conn"
+
+ log_start
+ run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server, device client, local conn"
+
+ for a in ${VRF_IP} 127.0.0.1
+ do
+ log_start
+ run_cmd nettest -D -s -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "Global server, VRF client, local conn"
+ done
+
+ for a in ${VRF_IP} 127.0.0.1
+ do
+ log_start
+ run_cmd nettest -s -D -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"
+ done
+
+ # negative test - should fail
+ # verifies ECONNREFUSED
+ for a in ${NSA_IP} ${VRF_IP} 127.0.0.1
+ do
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 1 "No server, VRF client, local conn"
+ done
+}
+
+ipv4_udp()
+{
+ log_section "IPv4/UDP"
+ log_subsection "No VRF"
+
+ setup
+
+ # udp_l3mdev_accept should have no affect without VRF;
+ # run tests with it enabled and disabled to verify
+ log_subsection "udp_l3mdev_accept disabled"
+ set_sysctl net.ipv4.udp_l3mdev_accept=0
+ ipv4_udp_novrf
+ log_subsection "udp_l3mdev_accept enabled"
+ set_sysctl net.ipv4.udp_l3mdev_accept=1
+ ipv4_udp_novrf
+
+ log_subsection "With VRF"
+ setup "yes"
+ ipv4_udp_vrf
+}
+
+################################################################################
+# IPv4 address bind
+#
+# verifies ability or inability to bind to an address / device
+
+ipv4_addr_bind_novrf()
+{
+ #
+ # raw socket
+ #
+ for a in ${NSA_IP} ${NSA_LO_IP}
+ do
+ log_start
+ run_cmd nettest -s -R -P icmp -l ${a} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address"
+
+ log_start
+ run_cmd nettest -s -R -P icmp -l ${a} -d ${NSA_DEV} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address after device bind"
+ done
+
+ #
+ # tcp sockets
+ #
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest -l ${a} -r ${NSB_IP} -t1 -b
+ log_test_addr ${a} $? 0 "TCP socket bind to local address"
+
+ log_start
+ run_cmd nettest -l ${a} -r ${NSB_IP} -d ${NSA_DEV} -t1 -b
+ log_test_addr ${a} $? 0 "TCP socket bind to local address after device bind"
+
+ # Sadly, the kernel allows binding a socket to a device and then
+ # binding to an address not on the device. The only restriction
+ # is that the address is valid in the L3 domain. So this test
+ # passes when it really should not
+ #a=${NSA_LO_IP}
+ #log_start
+ #show_hint "Should fail with 'Cannot assign requested address'"
+ #run_cmd nettest -s -l ${a} -d ${NSA_DEV} -t1 -b
+ #log_test_addr ${a} $? 1 "TCP socket bind to out of scope local address"
+}
+
+ipv4_addr_bind_vrf()
+{
+ #
+ # raw socket
+ #
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest -s -R -P icmp -l ${a} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address"
+
+ log_start
+ run_cmd nettest -s -R -P icmp -l ${a} -d ${NSA_DEV} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address after device bind"
+ log_start
+ run_cmd nettest -s -R -P icmp -l ${a} -d ${VRF} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address after VRF bind"
+ done
+
+ a=${NSA_LO_IP}
+ log_start
+ show_hint "Address on loopback is out of VRF scope"
+ run_cmd nettest -s -R -P icmp -l ${a} -d ${VRF} -b
+ log_test_addr ${a} $? 1 "Raw socket bind to out of scope address after VRF bind"
+
+ #
+ # tcp sockets
+ #
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest -s -l ${a} -d ${VRF} -t1 -b
+ log_test_addr ${a} $? 0 "TCP socket bind to local address"
+
+ log_start
+ run_cmd nettest -s -l ${a} -d ${NSA_DEV} -t1 -b
+ log_test_addr ${a} $? 0 "TCP socket bind to local address after device bind"
+ done
+
+ a=${NSA_LO_IP}
+ log_start
+ show_hint "Address on loopback out of scope for VRF"
+ run_cmd nettest -s -l ${a} -d ${VRF} -t1 -b
+ log_test_addr ${a} $? 1 "TCP socket bind to invalid local address for VRF"
+
+ log_start
+ show_hint "Address on loopback out of scope for device in VRF"
+ run_cmd nettest -s -l ${a} -d ${NSA_DEV} -t1 -b
+ log_test_addr ${a} $? 1 "TCP socket bind to invalid local address for device bind"
+}
+
+ipv4_addr_bind()
+{
+ log_section "IPv4 address binds"
+
+ log_subsection "No VRF"
+ setup
+ ipv4_addr_bind_novrf
+
+ log_subsection "With VRF"
+ setup "yes"
+ ipv4_addr_bind_vrf
+}
+
+################################################################################
+# IPv4 runtime tests
+
+ipv4_rt()
+{
+ local desc="$1"
+ local varg="$2"
+ local with_vrf="yes"
+ local a
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest ${varg} -s &
+ sleep 1
+ run_cmd_nsb nettest ${varg} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, global server"
+
+ setup ${with_vrf}
+ done
+
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest ${varg} -s -d ${VRF} &
+ sleep 1
+ run_cmd_nsb nettest ${varg} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, VRF server"
+
+ setup ${with_vrf}
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest ${varg} -s -d ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest ${varg} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, enslaved device server"
+
+ setup ${with_vrf}
+
+ #
+ # client test
+ #
+ log_start
+ run_cmd_nsb nettest ${varg} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${VRF} -r ${NSB_IP} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, VRF client"
+
+ setup ${with_vrf}
+
+ log_start
+ run_cmd_nsb nettest ${varg} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${NSA_DEV} -r ${NSB_IP} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, enslaved device client"
+
+ setup ${with_vrf}
+
+ #
+ # local address tests
+ #
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest ${varg} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${VRF} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, global server, VRF client, local"
+
+ setup ${with_vrf}
+ done
+
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest ${varg} -d ${VRF} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${VRF} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, VRF server and client, local"
+
+ setup ${with_vrf}
+ done
+
+ a=${NSA_IP}
+ log_start
+ run_cmd nettest ${varg} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, global server, enslaved device client, local"
+
+ setup ${with_vrf}
+
+ log_start
+ run_cmd nettest ${varg} -d ${VRF} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, VRF server, enslaved device client, local"
+
+ setup ${with_vrf}
+
+ log_start
+ run_cmd nettest ${varg} -d ${NSA_DEV} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, enslaved device server and client, local"
+}
+
+ipv4_ping_rt()
+{
+ local with_vrf="yes"
+ local a
+
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd_nsb ping -f ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "Device delete with active traffic - ping in"
+
+ setup ${with_vrf}
+ done
+
+ a=${NSB_IP}
+ log_start
+ run_cmd ping -f -I ${VRF} ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "Device delete with active traffic - ping out"
+}
+
+ipv4_runtime()
+{
+ log_section "Run time tests - ipv4"
+
+ setup "yes"
+ ipv4_ping_rt
+
+ setup "yes"
+ ipv4_rt "TCP active socket" "-n -1"
+
+ setup "yes"
+ ipv4_rt "TCP passive socket" "-i"
+}
+
+################################################################################
+# IPv6
+
+ipv6_ping_novrf()
+{
+ local a
+
+ # should not have an impact, but make a known state
+ set_sysctl net.ipv4.raw_l3mdev_accept=0 2>/dev/null
+
+ #
+ # out
+ #
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
+ do
+ log_start
+ run_cmd ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 0 "ping out"
+ done
+
+ for a in ${NSB_IP6} ${NSB_LO_IP6}
+ do
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 0 "ping out, device bind"
+
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_LO_IP6} ${a}
+ log_test_addr ${a} $? 0 "ping out, loopback address bind"
+ done
+
+ #
+ # in
+ #
+ for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV} ${MCAST}%${NSB_DEV}
+ do
+ log_start
+ run_cmd_nsb ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 0 "ping in"
+ done
+
+ #
+ # local traffic, local address
+ #
+ for a in ${NSA_IP6} ${NSA_LO_IP6} ::1 ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
+ do
+ log_start
+ run_cmd ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 0 "ping local, no bind"
+ done
+
+ for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
+ do
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 0 "ping local, device bind"
+ done
+
+ for a in ${NSA_LO_IP6} ::1
+ do
+ log_start
+ show_hint "Fails since address on loopback is out of device scope"
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 2 "ping local, device bind"
+ done
+
+ #
+ # ip rule blocks address
+ #
+ log_start
+ setup_cmd ip -6 rule add pref 32765 from all lookup local
+ setup_cmd ip -6 rule del pref 0 from all lookup local
+ setup_cmd ip -6 rule add pref 50 to ${NSB_LO_IP6} prohibit
+ setup_cmd ip -6 rule add pref 51 from ${NSB_IP6} prohibit
+
+ a=${NSB_LO_IP6}
+ run_cmd ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, blocked by rule"
+
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 2 "ping out, device bind, blocked by rule"
+
+ a=${NSA_LO_IP6}
+ log_start
+ show_hint "Response lost due to ip rule"
+ run_cmd_nsb ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 1 "ping in, blocked by rule"
+
+ setup_cmd ip -6 rule add pref 0 from all lookup local
+ setup_cmd ip -6 rule del pref 32765 from all lookup local
+ setup_cmd ip -6 rule del pref 50 to ${NSB_LO_IP6} prohibit
+ setup_cmd ip -6 rule del pref 51 from ${NSB_IP6} prohibit
+
+ #
+ # route blocks reachability to remote address
+ #
+ log_start
+ setup_cmd ip -6 route del ${NSB_LO_IP6}
+ setup_cmd ip -6 route add unreachable ${NSB_LO_IP6} metric 10
+ setup_cmd ip -6 route add unreachable ${NSB_IP6} metric 10
+
+ a=${NSB_LO_IP6}
+ run_cmd ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, blocked by route"
+
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 2 "ping out, device bind, blocked by route"
+
+ a=${NSA_LO_IP6}
+ log_start
+ show_hint "Response lost due to ip route"
+ run_cmd_nsb ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 1 "ping in, blocked by route"
+
+
+ #
+ # remove 'remote' routes; fallback to default
+ #
+ log_start
+ setup_cmd ip -6 ro del unreachable ${NSB_LO_IP6}
+ setup_cmd ip -6 ro del unreachable ${NSB_IP6}
+
+ a=${NSB_LO_IP6}
+ run_cmd ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, unreachable route"
+
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 2 "ping out, device bind, unreachable route"
+}
+
+ipv6_ping_vrf()
+{
+ local a
+
+ # should default on; does not exist on older kernels
+ set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null
+
+ #
+ # out
+ #
+ for a in ${NSB_IP6} ${NSB_LO_IP6}
+ do
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${VRF} ${a}
+ log_test_addr ${a} $? 0 "ping out, VRF bind"
+ done
+
+ for a in ${NSB_LINKIP6}%${VRF} ${MCAST}%${VRF}
+ do
+ log_start
+ show_hint "Fails since VRF device does not support linklocal or multicast"
+ run_cmd ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, VRF bind"
+ done
+
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
+ do
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 0 "ping out, device bind"
+ done
+
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV}
+ do
+ log_start
+ run_cmd ip vrf exec ${VRF} ${ping6} -c1 -w1 -I ${VRF_IP6} ${a}
+ log_test_addr ${a} $? 0 "ping out, vrf device+address bind"
+ done
+
+ #
+ # in
+ #
+ for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV} ${MCAST}%${NSB_DEV}
+ do
+ log_start
+ run_cmd_nsb ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 0 "ping in"
+ done
+
+ a=${NSA_LO_IP6}
+ log_start
+ show_hint "Fails since loopback address is out of VRF scope"
+ run_cmd_nsb ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 1 "ping in"
+
+ #
+ # local traffic, local address
+ #
+ for a in ${NSA_IP6} ${VRF_IP6} ::1
+ do
+ log_start
+ show_hint "Source address should be ${a}"
+ run_cmd ${ping6} -c1 -w1 -I ${VRF} ${a}
+ log_test_addr ${a} $? 0 "ping local, VRF bind"
+ done
+
+ for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
+ do
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 0 "ping local, device bind"
+ done
+
+ # LLA to GUA - remove ipv6 global addresses from ns-B
+ setup_cmd_nsb ip -6 addr del ${NSB_IP6}/64 dev ${NSB_DEV}
+ setup_cmd_nsb ip -6 addr del ${NSB_LO_IP6}/128 dev lo
+ setup_cmd_nsb ip -6 ro add ${NSA_IP6}/128 via ${NSA_LINKIP6} dev ${NSB_DEV}
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd_nsb ${ping6} -c1 -w1 ${NSA_IP6}
+ log_test_addr ${a} $? 0 "ping in, LLA to GUA"
+ done
+
+ setup_cmd_nsb ip -6 ro del ${NSA_IP6}/128 via ${NSA_LINKIP6} dev ${NSB_DEV}
+ setup_cmd_nsb ip -6 addr add ${NSB_IP6}/64 dev ${NSB_DEV}
+ setup_cmd_nsb ip -6 addr add ${NSB_LO_IP6}/128 dev lo
+
+ #
+ # ip rule blocks address
+ #
+ log_start
+ setup_cmd ip -6 rule add pref 50 to ${NSB_LO_IP6} prohibit
+ setup_cmd ip -6 rule add pref 51 from ${NSB_IP6} prohibit
+
+ a=${NSB_LO_IP6}
+ run_cmd ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, blocked by rule"
+
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 2 "ping out, device bind, blocked by rule"
+
+ a=${NSA_LO_IP6}
+ log_start
+ show_hint "Response lost due to ip rule"
+ run_cmd_nsb ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 1 "ping in, blocked by rule"
+
+ log_start
+ setup_cmd ip -6 rule del pref 50 to ${NSB_LO_IP6} prohibit
+ setup_cmd ip -6 rule del pref 51 from ${NSB_IP6} prohibit
+
+ #
+ # remove 'remote' routes; fallback to default
+ #
+ log_start
+ setup_cmd ip -6 ro del ${NSB_LO_IP6} vrf ${VRF}
+
+ a=${NSB_LO_IP6}
+ run_cmd ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping out, unreachable route"
+
+ log_start
+ run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
+ log_test_addr ${a} $? 2 "ping out, device bind, unreachable route"
+
+ ip -netns ${NSB} -6 ro del ${NSA_LO_IP6}
+ a=${NSA_LO_IP6}
+ log_start
+ run_cmd_nsb ${ping6} -c1 -w1 ${a}
+ log_test_addr ${a} $? 2 "ping in, unreachable route"
+}
+
+ipv6_ping()
+{
+ log_section "IPv6 ping"
+
+ log_subsection "No VRF"
+ setup
+ ipv6_ping_novrf
+
+ log_subsection "With VRF"
+ setup "yes"
+ ipv6_ping_vrf
+}
+
+################################################################################
+# IPv6 TCP
+
+ipv6_tcp_novrf()
+{
+ local a
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ run_cmd nettest -6 -s &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+ done
+
+ # verify TCP reset received
+ for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ #
+ # client
+ #
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV}
+ do
+ log_start
+ run_cmd_nsb nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "Client"
+ done
+
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV}
+ do
+ log_start
+ run_cmd_nsb nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 0 "Client, device bind"
+ done
+
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "No server, device client"
+ done
+
+ #
+ # local address tests
+ #
+ for a in ${NSA_IP6} ${NSA_LO_IP6} ::1
+ do
+ log_start
+ run_cmd nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "Global server, local connection"
+ done
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, unbound client, local connection"
+
+ for a in ${NSA_LO_IP6} ::1
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since addresses on loopback are out of device scope"
+ run_cmd nettest -6 -s -d ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -r ${a}
+ log_test_addr ${a} $? 1 "Device server, unbound client, local connection"
+ done
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV} -0 ${a}
+ log_test_addr ${a} $? 0 "Global server, device client, local connection"
+
+ for a in ${NSA_LO_IP6} ::1
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since addresses on loopback are out of device scope"
+ run_cmd nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "Global server, device client, local connection"
+ done
+
+ for a in ${NSA_IP6} ${NSA_LINKIP6}
+ do
+ log_start
+ run_cmd nettest -6 -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "Device server, device client, local conn"
+ done
+
+ for a in ${NSA_IP6} ${NSA_LINKIP6}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -6 -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 1 "No server, device client, local conn"
+ done
+}
+
+ipv6_tcp_vrf()
+{
+ local a
+
+ # disable global server
+ log_subsection "Global server disabled"
+
+ set_sysctl net.ipv4.tcp_l3mdev_accept=0
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since global server with VRF is disabled"
+ run_cmd nettest -6 -s &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 1 "Global server"
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -s -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+ done
+
+ # link local is always bound to ingress device
+ a=${NSA_LINKIP6}%${NSB_DEV}
+ log_start
+ run_cmd nettest -6 -s -d ${VRF} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+
+ for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ run_cmd nettest -6 -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "Device server"
+ done
+
+ # verify TCP reset received
+ for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ # local address tests
+ a=${NSA_IP6}
+ log_start
+ show_hint "Should fail 'Connection refused' since global server with VRF is disabled"
+ run_cmd nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "Global server, local connection"
+
+ #
+ # enable VRF global server
+ #
+ log_subsection "VRF Global server enabled"
+ set_sysctl net.ipv4.tcp_l3mdev_accept=1
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -s -2 ${VRF} &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -s -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+ done
+
+ # For LLA, child socket is bound to device
+ a=${NSA_LINKIP6}%${NSB_DEV}
+ log_start
+ run_cmd nettest -6 -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+
+ log_start
+ run_cmd nettest -6 -s -d ${VRF} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+
+ for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ run_cmd nettest -6 -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 0 "Device server"
+ done
+
+ # verify TCP reset received
+ for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ # local address tests
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ show_hint "Fails 'No route to host' since client is not in VRF"
+ run_cmd nettest -6 -s -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -6 -r ${a}
+ log_test_addr ${a} $? 1 "Global server, local connection"
+ done
+
+
+ #
+ # client
+ #
+ for a in ${NSB_IP6} ${NSB_LO_IP6}
+ do
+ log_start
+ run_cmd_nsb nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${VRF}
+ log_test_addr ${a} $? 0 "Client, VRF bind"
+ done
+
+ a=${NSB_LINKIP6}
+ log_start
+ show_hint "Fails since VRF device does not allow linklocal addresses"
+ run_cmd_nsb nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${VRF}
+ log_test_addr ${a} $? 1 "Client, VRF bind"
+
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}
+ do
+ log_start
+ run_cmd_nsb nettest -6 -s &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 0 "Client, device bind"
+ done
+
+ for a in ${NSB_IP6} ${NSB_LO_IP6}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -6 -r ${a} -d ${VRF}
+ log_test_addr ${a} $? 1 "No server, VRF client"
+ done
+
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "No server, device client"
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6} ::1
+ do
+ log_start
+ run_cmd nettest -6 -s -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${VRF} -0 ${a}
+ log_test_addr ${a} $? 0 "VRF server, VRF client, local connection"
+ done
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -s -d ${VRF} -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV} -0 ${a}
+ log_test_addr ${a} $? 0 "VRF server, device client, local connection"
+
+ a=${NSA_IP6}
+ log_start
+ show_hint "Should fail since unbound client is out of VRF scope"
+ run_cmd nettest -6 -s -d ${VRF} &
+ sleep 1
+ run_cmd nettest -6 -r ${a}
+ log_test_addr ${a} $? 1 "VRF server, unbound client, local connection"
+
+ log_start
+ run_cmd nettest -6 -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${VRF} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, VRF client, local connection"
+
+ for a in ${NSA_IP6} ${NSA_LINKIP6}
+ do
+ log_start
+ run_cmd nettest -6 -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -r ${a} -d ${NSA_DEV} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, device client, local connection"
+ done
+}
+
+ipv6_tcp()
+{
+ log_section "IPv6/TCP"
+ log_subsection "No VRF"
+ setup
+
+ # tcp_l3mdev_accept should have no affect without VRF;
+ # run tests with it enabled and disabled to verify
+ log_subsection "tcp_l3mdev_accept disabled"
+ set_sysctl net.ipv4.tcp_l3mdev_accept=0
+ ipv6_tcp_novrf
+ log_subsection "tcp_l3mdev_accept enabled"
+ set_sysctl net.ipv4.tcp_l3mdev_accept=1
+ ipv6_tcp_novrf
+
+ log_subsection "With VRF"
+ setup "yes"
+ ipv6_tcp_vrf
+}
+
+################################################################################
+# IPv6 UDP
+
+ipv6_udp_novrf()
+{
+ local a
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ run_cmd nettest -6 -D -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "Device server"
+ done
+
+ a=${NSA_LO_IP6}
+ log_start
+ run_cmd nettest -6 -D -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+
+ # should fail since loopback address is out of scope for a device
+ # bound server, but it does not - hence this is more documenting
+ # behavior.
+ #log_start
+ #show_hint "Should fail since loopback address is out of scope"
+ #run_cmd nettest -6 -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ #sleep 1
+ #run_cmd_nsb nettest -6 -D -r ${a}
+ #log_test_addr ${a} $? 1 "Device server"
+
+ # negative test - should fail
+ for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since there is no server"
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ #
+ # client
+ #
+ for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV}
+ do
+ log_start
+ run_cmd_nsb nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a} -0 ${NSA_IP6}
+ log_test_addr ${a} $? 0 "Client"
+
+ log_start
+ run_cmd_nsb nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -0 ${NSA_IP6}
+ log_test_addr ${a} $? 0 "Client, device bind"
+
+ log_start
+ run_cmd_nsb nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -C -0 ${NSA_IP6}
+ log_test_addr ${a} $? 0 "Client, device send via cmsg"
+
+ log_start
+ run_cmd_nsb nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -S -0 ${NSA_IP6}
+ log_test_addr ${a} $? 0 "Client, device bind via IPV6_UNICAST_IF"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 1 "No server, unbound client"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "No server, device client"
+ done
+
+ #
+ # local address tests
+ #
+ for a in ${NSA_IP6} ${NSA_LO_IP6} ::1
+ do
+ log_start
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a} -0 ${a} -1 ${a}
+ log_test_addr ${a} $? 0 "Global server, local connection"
+ done
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "Device server, unbound client, local connection"
+
+ for a in ${NSA_LO_IP6} ::1
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since address is out of device scope"
+ run_cmd nettest -6 -s -D -d ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 1 "Device server, local connection"
+ done
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -s -D &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "Global server, device client, local connection"
+
+ log_start
+ run_cmd nettest -6 -s -D &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -C -r ${a}
+ log_test_addr ${a} $? 0 "Global server, device send via cmsg, local connection"
+
+ log_start
+ run_cmd nettest -6 -s -D &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -S -r ${a}
+ log_test_addr ${a} $? 0 "Global server, device client via IPV6_UNICAST_IF, local connection"
+
+ for a in ${NSA_LO_IP6} ::1
+ do
+ log_start
+ show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope"
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV}
+ log_test_addr ${a} $? 1 "Global server, device client, local connection"
+
+ log_start
+ show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope"
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -C
+ log_test_addr ${a} $? 1 "Global server, device send via cmsg, local connection"
+
+ log_start
+ show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope"
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -S
+ log_test_addr ${a} $? 1 "Global server, device client via IP_UNICAST_IF, local connection"
+ done
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -D -s -d ${NSA_DEV} -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} -0 ${a}
+ log_test_addr ${a} $? 0 "Device server, device client, local conn"
+
+ log_start
+ show_hint "Should fail 'Connection refused'"
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 1 "No server, device client, local conn"
+
+ # LLA to GUA
+ run_cmd_nsb ip -6 addr del ${NSB_IP6}/64 dev ${NSB_DEV}
+ run_cmd_nsb ip -6 ro add ${NSA_IP6}/128 dev ${NSB_DEV}
+ log_start
+ run_cmd nettest -6 -s -D &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${NSA_IP6}
+ log_test $? 0 "UDP in - LLA to GUA"
+
+ run_cmd_nsb ip -6 ro del ${NSA_IP6}/128 dev ${NSB_DEV}
+ run_cmd_nsb ip -6 addr add ${NSB_IP6}/64 dev ${NSB_DEV} nodad
+}
+
+ipv6_udp_vrf()
+{
+ local a
+
+ # disable global server
+ log_subsection "Global server disabled"
+ set_sysctl net.ipv4.udp_l3mdev_accept=0
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since global server is disabled"
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 1 "Global server"
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -D -d ${VRF} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server"
+ done
+
+ # negative test - should fail
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since there is no server"
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ #
+ # local address tests
+ #
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ show_hint "Should fail 'Connection refused' since global server is disabled"
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 1 "Global server, VRF client, local conn"
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -D -d ${VRF} -s &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"
+ done
+
+ a=${NSA_IP6}
+ log_start
+ show_hint "Should fail 'Connection refused' since global server is disabled"
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 1 "Global server, device client, local conn"
+
+ log_start
+ run_cmd nettest -6 -D -d ${VRF} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, device client, local conn"
+
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server, VRF client, local conn"
+
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server, device client, local conn"
+
+ # disable global server
+ log_subsection "Global server enabled"
+ set_sysctl net.ipv4.udp_l3mdev_accept=1
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -D -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "Global server"
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -D -d ${VRF} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "VRF server"
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 0 "Enslaved device server"
+ done
+
+ # negative test - should fail
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd_nsb nettest -6 -D -r ${a}
+ log_test_addr ${a} $? 1 "No server"
+ done
+
+ #
+ # client tests
+ #
+ log_start
+ run_cmd_nsb nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${NSB_IP6}
+ log_test $? 0 "VRF client"
+
+ # negative test - should fail
+ log_start
+ run_cmd nettest -6 -D -d ${VRF} -r ${NSB_IP6}
+ log_test $? 1 "No server, VRF client"
+
+ log_start
+ run_cmd_nsb nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSB_IP6}
+ log_test $? 0 "Enslaved device client"
+
+ # negative test - should fail
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSB_IP6}
+ log_test $? 1 "No server, enslaved device client"
+
+ #
+ # local address tests
+ #
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -D -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "Global server, VRF client, local conn"
+
+ #log_start
+ run_cmd nettest -6 -D -d ${VRF} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"
+
+
+ a=${VRF_IP6}
+ log_start
+ run_cmd nettest -6 -D -s -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "Global server, VRF client, local conn"
+
+ log_start
+ run_cmd nettest -6 -D -d ${VRF} -s -2 ${VRF} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"
+
+ # negative test - should fail
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 1 "No server, VRF client, local conn"
+ done
+
+ # device to global IP
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -D -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "Global server, device client, local conn"
+
+ log_start
+ run_cmd nettest -6 -D -d ${VRF} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "VRF server, device client, local conn"
+
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${VRF} -r ${a}
+ log_test_addr ${a} $? 0 "Device server, VRF client, local conn"
+
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 0 "Device server, device client, local conn"
+
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a}
+ log_test_addr ${a} $? 1 "No server, device client, local conn"
+
+
+ # link local addresses
+ log_start
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -d ${NSB_DEV} -r ${NSA_LINKIP6}
+ log_test $? 0 "Global server, linklocal IP"
+
+ log_start
+ run_cmd_nsb nettest -6 -D -d ${NSB_DEV} -r ${NSA_LINKIP6}
+ log_test $? 1 "No server, linklocal IP"
+
+
+ log_start
+ run_cmd_nsb nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSB_LINKIP6}
+ log_test $? 0 "Enslaved device client, linklocal IP"
+
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSB_LINKIP6}
+ log_test $? 1 "No server, device client, peer linklocal IP"
+
+
+ log_start
+ run_cmd nettest -6 -D -s &
+ sleep 1
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSA_LINKIP6}
+ log_test $? 0 "Enslaved device client, local conn - linklocal IP"
+
+ log_start
+ run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSA_LINKIP6}
+ log_test $? 1 "No server, device client, local conn - linklocal IP"
+
+ # LLA to GUA
+ run_cmd_nsb ip -6 addr del ${NSB_IP6}/64 dev ${NSB_DEV}
+ run_cmd_nsb ip -6 ro add ${NSA_IP6}/128 dev ${NSB_DEV}
+ log_start
+ run_cmd nettest -6 -s -D &
+ sleep 1
+ run_cmd_nsb nettest -6 -D -r ${NSA_IP6}
+ log_test $? 0 "UDP in - LLA to GUA"
+
+ run_cmd_nsb ip -6 ro del ${NSA_IP6}/128 dev ${NSB_DEV}
+ run_cmd_nsb ip -6 addr add ${NSB_IP6}/64 dev ${NSB_DEV} nodad
+}
+
+ipv6_udp()
+{
+ # should not matter, but set to known state
+ set_sysctl net.ipv4.udp_early_demux=1
+
+ log_section "IPv6/UDP"
+ log_subsection "No VRF"
+ setup
+
+ # udp_l3mdev_accept should have no affect without VRF;
+ # run tests with it enabled and disabled to verify
+ log_subsection "udp_l3mdev_accept disabled"
+ set_sysctl net.ipv4.udp_l3mdev_accept=0
+ ipv6_udp_novrf
+ log_subsection "udp_l3mdev_accept enabled"
+ set_sysctl net.ipv4.udp_l3mdev_accept=1
+ ipv6_udp_novrf
+
+ log_subsection "With VRF"
+ setup "yes"
+ ipv6_udp_vrf
+}
+
+################################################################################
+# IPv6 address bind
+
+ipv6_addr_bind_novrf()
+{
+ #
+ # raw socket
+ #
+ for a in ${NSA_IP6} ${NSA_LO_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address"
+
+ log_start
+ run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -d ${NSA_DEV} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address after device bind"
+ done
+
+ #
+ # tcp sockets
+ #
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -s -l ${a} -t1 -b
+ log_test_addr ${a} $? 0 "TCP socket bind to local address"
+
+ log_start
+ run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b
+ log_test_addr ${a} $? 0 "TCP socket bind to local address after device bind"
+
+ a=${NSA_LO_IP6}
+ log_start
+ show_hint "Should fail with 'Cannot assign requested address'"
+ run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b
+ log_test_addr ${a} $? 1 "TCP socket bind to out of scope local address"
+}
+
+ipv6_addr_bind_vrf()
+{
+ #
+ # raw socket
+ #
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -d ${VRF} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address after vrf bind"
+
+ log_start
+ run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -d ${NSA_DEV} -b
+ log_test_addr ${a} $? 0 "Raw socket bind to local address after device bind"
+ done
+
+ a=${NSA_LO_IP6}
+ log_start
+ show_hint "Address on loopback is out of VRF scope"
+ run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -d ${VRF} -b
+ log_test_addr ${a} $? 1 "Raw socket bind to invalid local address after vrf bind"
+
+ #
+ # tcp sockets
+ #
+ # address on enslaved device is valid for the VRF or device in a VRF
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -s -l ${a} -d ${VRF} -t1 -b
+ log_test_addr ${a} $? 0 "TCP socket bind to local address with VRF bind"
+ done
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b
+ log_test_addr ${a} $? 0 "TCP socket bind to local address with device bind"
+
+ a=${VRF_IP6}
+ log_start
+ run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b
+ log_test_addr ${a} $? 1 "TCP socket bind to VRF address with device bind"
+
+ a=${NSA_LO_IP6}
+ log_start
+ show_hint "Address on loopback out of scope for VRF"
+ run_cmd nettest -6 -s -l ${a} -d ${VRF} -t1 -b
+ log_test_addr ${a} $? 1 "TCP socket bind to invalid local address for VRF"
+
+ log_start
+ show_hint "Address on loopback out of scope for device in VRF"
+ run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b
+ log_test_addr ${a} $? 1 "TCP socket bind to invalid local address for device bind"
+
+}
+
+ipv6_addr_bind()
+{
+ log_section "IPv6 address binds"
+
+ log_subsection "No VRF"
+ setup
+ ipv6_addr_bind_novrf
+
+ log_subsection "With VRF"
+ setup "yes"
+ ipv6_addr_bind_vrf
+}
+
+################################################################################
+# IPv6 runtime tests
+
+ipv6_rt()
+{
+ local desc="$1"
+ local varg="-6 $2"
+ local with_vrf="yes"
+ local a
+
+ #
+ # server tests
+ #
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest ${varg} -s &
+ sleep 1
+ run_cmd_nsb nettest ${varg} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, global server"
+
+ setup ${with_vrf}
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest ${varg} -d ${VRF} -s &
+ sleep 1
+ run_cmd_nsb nettest ${varg} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, VRF server"
+
+ setup ${with_vrf}
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest ${varg} -d ${NSA_DEV} -s &
+ sleep 1
+ run_cmd_nsb nettest ${varg} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, enslaved device server"
+
+ setup ${with_vrf}
+ done
+
+ #
+ # client test
+ #
+ log_start
+ run_cmd_nsb nettest ${varg} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${VRF} -r ${NSB_IP6} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test 0 0 "${desc}, VRF client"
+
+ setup ${with_vrf}
+
+ log_start
+ run_cmd_nsb nettest ${varg} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${NSA_DEV} -r ${NSB_IP6} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test 0 0 "${desc}, enslaved device client"
+
+ setup ${with_vrf}
+
+
+ #
+ # local address tests
+ #
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest ${varg} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${VRF} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, global server, VRF client"
+
+ setup ${with_vrf}
+ done
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest ${varg} -d ${VRF} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${VRF} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, VRF server and client"
+
+ setup ${with_vrf}
+ done
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd nettest ${varg} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, global server, device client"
+
+ setup ${with_vrf}
+
+ log_start
+ run_cmd nettest ${varg} -d ${VRF} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, VRF server, device client"
+
+ setup ${with_vrf}
+
+ log_start
+ run_cmd nettest ${varg} -d ${NSA_DEV} -s &
+ sleep 1
+ run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "${desc}, device server, device client"
+}
+
+ipv6_ping_rt()
+{
+ local with_vrf="yes"
+ local a
+
+ a=${NSA_IP6}
+ log_start
+ run_cmd_nsb ${ping6} -f ${a} &
+ sleep 3
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "Device delete with active traffic - ping in"
+
+ setup ${with_vrf}
+
+ log_start
+ run_cmd ${ping6} -f ${NSB_IP6} -I ${VRF} &
+ sleep 1
+ run_cmd ip link del ${VRF}
+ sleep 1
+ log_test_addr ${a} 0 0 "Device delete with active traffic - ping out"
+}
+
+ipv6_runtime()
+{
+ log_section "Run time tests - ipv6"
+
+ setup "yes"
+ ipv6_ping_rt
+
+ setup "yes"
+ ipv6_rt "TCP active socket" "-n -1"
+
+ setup "yes"
+ ipv6_rt "TCP passive socket" "-i"
+
+ setup "yes"
+ ipv6_rt "UDP active socket" "-D -n -1"
+}
+
+################################################################################
+# netfilter blocking connections
+
+netfilter_tcp_reset()
+{
+ local a
+
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest -s &
+ sleep 1
+ run_cmd_nsb nettest -r ${a}
+ log_test_addr ${a} $? 1 "Global server, reject with TCP-reset on Rx"
+ done
+}
+
+netfilter_icmp()
+{
+ local stype="$1"
+ local arg
+ local a
+
+ [ "${stype}" = "UDP" ] && arg="-D"
+
+ for a in ${NSA_IP} ${VRF_IP}
+ do
+ log_start
+ run_cmd nettest ${arg} -s &
+ sleep 1
+ run_cmd_nsb nettest ${arg} -r ${a}
+ log_test_addr ${a} $? 1 "Global ${stype} server, Rx reject icmp-port-unreach"
+ done
+}
+
+ipv4_netfilter()
+{
+ log_section "IPv4 Netfilter"
+ log_subsection "TCP reset"
+
+ setup "yes"
+ run_cmd iptables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with tcp-reset
+
+ netfilter_tcp_reset
+
+ log_start
+ log_subsection "ICMP unreachable"
+
+ log_start
+ run_cmd iptables -F
+ run_cmd iptables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with icmp-port-unreachable
+ run_cmd iptables -A INPUT -p udp --dport 12345 -j REJECT --reject-with icmp-port-unreachable
+
+ netfilter_icmp "TCP"
+ netfilter_icmp "UDP"
+
+ log_start
+ iptables -F
+}
+
+netfilter_tcp6_reset()
+{
+ local a
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -s &
+ sleep 1
+ run_cmd_nsb nettest -6 -r ${a}
+ log_test_addr ${a} $? 1 "Global server, reject with TCP-reset on Rx"
+ done
+}
+
+netfilter_icmp6()
+{
+ local stype="$1"
+ local arg
+ local a
+
+ [ "${stype}" = "UDP" ] && arg="$arg -D"
+
+ for a in ${NSA_IP6} ${VRF_IP6}
+ do
+ log_start
+ run_cmd nettest -6 -s ${arg} &
+ sleep 1
+ run_cmd_nsb nettest -6 ${arg} -r ${a}
+ log_test_addr ${a} $? 1 "Global ${stype} server, Rx reject icmp-port-unreach"
+ done
+}
+
+ipv6_netfilter()
+{
+ log_section "IPv6 Netfilter"
+ log_subsection "TCP reset"
+
+ setup "yes"
+ run_cmd ip6tables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with tcp-reset
+
+ netfilter_tcp6_reset
+
+ log_subsection "ICMP unreachable"
+
+ log_start
+ run_cmd ip6tables -F
+ run_cmd ip6tables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with icmp6-port-unreachable
+ run_cmd ip6tables -A INPUT -p udp --dport 12345 -j REJECT --reject-with icmp6-port-unreachable
+
+ netfilter_icmp6 "TCP"
+ netfilter_icmp6 "UDP"
+
+ log_start
+ ip6tables -F
+}
+
+################################################################################
+# specific use cases
+
+# VRF only.
+# ns-A device enslaved to bridge. Verify traffic with and without
+# br_netfilter module loaded. Repeat with SVI on bridge.
+use_case_br()
+{
+ setup "yes"
+
+ setup_cmd ip link set ${NSA_DEV} down
+ setup_cmd ip addr del dev ${NSA_DEV} ${NSA_IP}/24
+ setup_cmd ip -6 addr del dev ${NSA_DEV} ${NSA_IP6}/64
+
+ setup_cmd ip link add br0 type bridge
+ setup_cmd ip addr add dev br0 ${NSA_IP}/24
+ setup_cmd ip -6 addr add dev br0 ${NSA_IP6}/64 nodad
+
+ setup_cmd ip li set ${NSA_DEV} master br0
+ setup_cmd ip li set ${NSA_DEV} up
+ setup_cmd ip li set br0 up
+ setup_cmd ip li set br0 vrf ${VRF}
+
+ rmmod br_netfilter 2>/dev/null
+ sleep 5 # DAD
+
+ run_cmd ip neigh flush all
+ run_cmd ping -c1 -w1 -I br0 ${NSB_IP}
+ log_test $? 0 "Bridge into VRF - IPv4 ping out"
+
+ run_cmd ip neigh flush all
+ run_cmd ${ping6} -c1 -w1 -I br0 ${NSB_IP6}
+ log_test $? 0 "Bridge into VRF - IPv6 ping out"
+
+ run_cmd ip neigh flush all
+ run_cmd_nsb ping -c1 -w1 ${NSA_IP}
+ log_test $? 0 "Bridge into VRF - IPv4 ping in"
+
+ run_cmd ip neigh flush all
+ run_cmd_nsb ${ping6} -c1 -w1 ${NSA_IP6}
+ log_test $? 0 "Bridge into VRF - IPv6 ping in"
+
+ modprobe br_netfilter
+ if [ $? -eq 0 ]; then
+ run_cmd ip neigh flush all
+ run_cmd ping -c1 -w1 -I br0 ${NSB_IP}
+ log_test $? 0 "Bridge into VRF with br_netfilter - IPv4 ping out"
+
+ run_cmd ip neigh flush all
+ run_cmd ${ping6} -c1 -w1 -I br0 ${NSB_IP6}
+ log_test $? 0 "Bridge into VRF with br_netfilter - IPv6 ping out"
+
+ run_cmd ip neigh flush all
+ run_cmd_nsb ping -c1 -w1 ${NSA_IP}
+ log_test $? 0 "Bridge into VRF with br_netfilter - IPv4 ping in"
+
+ run_cmd ip neigh flush all
+ run_cmd_nsb ${ping6} -c1 -w1 ${NSA_IP6}
+ log_test $? 0 "Bridge into VRF with br_netfilter - IPv6 ping in"
+ fi
+
+ setup_cmd ip li set br0 nomaster
+ setup_cmd ip li add br0.100 link br0 type vlan id 100
+ setup_cmd ip li set br0.100 vrf ${VRF} up
+ setup_cmd ip addr add dev br0.100 172.16.101.1/24
+ setup_cmd ip -6 addr add dev br0.100 2001:db8:101::1/64 nodad
+
+ setup_cmd_nsb ip li add vlan100 link ${NSB_DEV} type vlan id 100
+ setup_cmd_nsb ip addr add dev vlan100 172.16.101.2/24
+ setup_cmd_nsb ip -6 addr add dev vlan100 2001:db8:101::2/64 nodad
+ setup_cmd_nsb ip li set vlan100 up
+ sleep 1
+
+ rmmod br_netfilter 2>/dev/null
+
+ run_cmd ip neigh flush all
+ run_cmd ping -c1 -w1 -I br0.100 172.16.101.2
+ log_test $? 0 "Bridge vlan into VRF - IPv4 ping out"
+
+ run_cmd ip neigh flush all
+ run_cmd ${ping6} -c1 -w1 -I br0.100 2001:db8:101::2
+ log_test $? 0 "Bridge vlan into VRF - IPv6 ping out"
+
+ run_cmd ip neigh flush all
+ run_cmd_nsb ping -c1 -w1 172.16.101.1
+ log_test $? 0 "Bridge vlan into VRF - IPv4 ping in"
+
+ run_cmd ip neigh flush all
+ run_cmd_nsb ${ping6} -c1 -w1 2001:db8:101::1
+ log_test $? 0 "Bridge vlan into VRF - IPv6 ping in"
+
+ modprobe br_netfilter
+ if [ $? -eq 0 ]; then
+ run_cmd ip neigh flush all
+ run_cmd ping -c1 -w1 -I br0.100 172.16.101.2
+ log_test $? 0 "Bridge vlan into VRF with br_netfilter - IPv4 ping out"
+
+ run_cmd ip neigh flush all
+ run_cmd ${ping6} -c1 -w1 -I br0.100 2001:db8:101::2
+ log_test $? 0 "Bridge vlan into VRF with br_netfilter - IPv6 ping out"
+
+ run_cmd ip neigh flush all
+ run_cmd_nsb ping -c1 -w1 172.16.101.1
+ log_test $? 0 "Bridge vlan into VRF - IPv4 ping in"
+
+ run_cmd ip neigh flush all
+ run_cmd_nsb ${ping6} -c1 -w1 2001:db8:101::1
+ log_test $? 0 "Bridge vlan into VRF - IPv6 ping in"
+ fi
+
+ setup_cmd ip li del br0 2>/dev/null
+ setup_cmd_nsb ip li del vlan100 2>/dev/null
+}
+
+use_cases()
+{
+ log_section "Use cases"
+ use_case_br
+}
+
+################################################################################
+# usage
+
+usage()
+{
+ cat <<EOF
+usage: ${0##*/} OPTS
+
+ -4 IPv4 tests only
+ -6 IPv6 tests only
+ -t <test> Test name/set to run
+ -p Pause on fail
+ -P Pause after each test
+ -v Be verbose
+EOF
+}
+
+################################################################################
+# main
+
+TESTS_IPV4="ipv4_ping ipv4_tcp ipv4_udp ipv4_addr_bind ipv4_runtime ipv4_netfilter"
+TESTS_IPV6="ipv6_ping ipv6_tcp ipv6_udp ipv6_addr_bind ipv6_runtime ipv6_netfilter"
+TESTS_OTHER="use_cases"
+
+PAUSE_ON_FAIL=no
+PAUSE=no
+
+while getopts :46t:pPvh o
+do
+ case $o in
+ 4) TESTS=ipv4;;
+ 6) TESTS=ipv6;;
+ t) TESTS=$OPTARG;;
+ p) PAUSE_ON_FAIL=yes;;
+ P) PAUSE=yes;;
+ v) VERBOSE=1;;
+ h) usage; exit 0;;
+ *) usage; exit 1;;
+ esac
+done
+
+# make sure we don't pause twice
+[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
+
+#
+# show user test config
+#
+if [ -z "$TESTS" ]; then
+ TESTS="$TESTS_IPV4 $TESTS_IPV6 $TESTS_OTHER"
+elif [ "$TESTS" = "ipv4" ]; then
+ TESTS="$TESTS_IPV4"
+elif [ "$TESTS" = "ipv6" ]; then
+ TESTS="$TESTS_IPV6"
+fi
+
+which nettest >/dev/null
+if [ $? -ne 0 ]; then
+ echo "'nettest' command not found; skipping tests"
+ exit 0
+fi
+
+declare -i nfail=0
+declare -i nsuccess=0
+
+for t in $TESTS
+do
+ case $t in
+ ipv4_ping|ping) ipv4_ping;;
+ ipv4_tcp|tcp) ipv4_tcp;;
+ ipv4_udp|udp) ipv4_udp;;
+ ipv4_bind|bind) ipv4_addr_bind;;
+ ipv4_runtime) ipv4_runtime;;
+ ipv4_netfilter) ipv4_netfilter;;
+
+ ipv6_ping|ping6) ipv6_ping;;
+ ipv6_tcp|tcp6) ipv6_tcp;;
+ ipv6_udp|udp6) ipv6_udp;;
+ ipv6_bind|bind6) ipv6_addr_bind;;
+ ipv6_runtime) ipv6_runtime;;
+ ipv6_netfilter) ipv6_netfilter;;
+
+ use_cases) use_cases;;
+
+ # setup namespaces and config, but do not run any tests
+ setup) setup; exit 0;;
+ vrf_setup) setup "yes"; exit 0;;
+
+ help) echo "Test names: $TESTS"; exit 0;;
+ esac
+done
+
+cleanup 2>/dev/null
+
+printf "\nTests passed: %3d\n" ${nsuccess}
+printf "Tests failed: %3d\n" ${nfail}