MINI Sh3ll

Path : /proc/3157941/cwd/usr/src/linux-headers-5.15.0-43/tools/testing/selftests/net/
File Upload :
Current File : //proc/3157941/cwd/usr/src/linux-headers-5.15.0-43/tools/testing/selftests/net/fcnal-test.sh

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2019 David Ahern <[email protected]>. 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
#
# ns-A to ns-C connection - only for VRF and same config
# as ns-A to ns-B
#
# server / client nomenclature relative to ns-A

# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4

VERBOSE=0

NSA_DEV=eth1
NSA_DEV2=eth2
NSB_DEV=eth1
NSC_DEV=eth2
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
NS_NET=172.16.1.0/24

# IPv6 config
NSA_IP6=2001:db8:1::1
NSB_IP6=2001:db8:1::2
VRF_IP6=2001:db8:3::1
NS_NET6=2001:db8:1::/120

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

MD5_PW=abc123
MD5_WRONG_PW=abc1234

MCAST=ff02::1
# set after namespace create
NSA_LINKIP6=
NSB_LINKIP6=

NSA=ns-A
NSB=ns-B
NSC=ns-C

NSA_CMD="ip netns exec ${NSA}"
NSB_CMD="ip netns exec ${NSB}"
NSC_CMD="ip netns exec ${NSC}"

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} $*
}

run_cmd_nsc()
{
	do_run_cmd ${NSC_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
}

setup_cmd_nsc()
{
	local cmd="$*"
	local rc

	run_cmd_nsc ${cmd}
	rc=$?
	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 $*
}

# get sysctl values in NS-A
get_sysctl()
{
	${NSA_CMD} sysctl -n $*
}

################################################################################
# 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 pids ${NSA} | xargs kill 2>/dev/null
		ip netns del ${NSA}
	fi

	ip netns pids ${NSB} | xargs kill 2>/dev/null
	ip netns del ${NSB}
	ip netns pids ${NSC} | xargs kill 2>/dev/null
	ip netns del ${NSC} >/dev/null 2>&1
}

cleanup_vrf_dup()
{
	ip link del ${NSA_DEV2} >/dev/null 2>&1
	ip netns pids ${NSC} | xargs kill 2>/dev/null
	ip netns del ${NSC} >/dev/null 2>&1
}

setup_vrf_dup()
{
	# some VRF tests use ns-C which has the same config as
	# ns-B but for a device NOT in the VRF
	create_ns ${NSC} "-" "-"
	connect_ns ${NSA} ${NSA_DEV2} ${NSA_IP}/24 ${NSA_IP6}/64 \
		   ${NSC} ${NSC_DEV} ${NSB_IP}/24 ${NSB_IP6}/64
}

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
}

setup_lla_only()
{
	# 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} "-" "-"
	create_ns ${NSB} "-" "-"
	create_ns ${NSC} "-" "-"
	connect_ns ${NSA} ${NSA_DEV} "-" "-" \
		   ${NSB} ${NSB_DEV} "-" "-"
	connect_ns ${NSA} ${NSA_DEV2} "-" "-" \
		   ${NSC} ${NSC_DEV}  "-" "-"

	NSA_LINKIP6=$(get_linklocal ${NSA} ${NSA_DEV})
	NSB_LINKIP6=$(get_linklocal ${NSB} ${NSB_DEV})
	NSC_LINKIP6=$(get_linklocal ${NSC} ${NSC_DEV})

	create_vrf ${NSA} ${VRF} ${VRF_TABLE} "-" "-"
	ip -netns ${NSA} link set dev ${NSA_DEV} vrf ${VRF}
	ip -netns ${NSA} link set dev ${NSA_DEV2} vrf ${VRF}

	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

#
# MD5 tests without VRF
#
ipv4_tcp_md5_novrf()
{
	#
	# single address
	#

	# basic use case
	log_start
	run_cmd nettest -s -M ${MD5_PW} -m ${NSB_IP} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: Single address config"

	# client sends MD5, server not configured
	log_start
	show_hint "Should timeout due to MD5 mismatch"
	run_cmd nettest -s &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: Server no config, client uses password"

	# wrong password
	log_start
	show_hint "Should timeout since client uses wrong password"
	run_cmd nettest -s -M ${MD5_PW} -m ${NSB_IP} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: Client uses wrong password"

	# client from different address
	log_start
	show_hint "Should timeout due to MD5 mismatch"
	run_cmd nettest -s -M ${MD5_PW} -m ${NSB_LO_IP} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: Client address does not match address configured with password"

	#
	# MD5 extension - prefix length
	#

	# client in prefix
	log_start
	run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsb nettest  -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: Prefix config"

	# client in prefix, wrong password
	log_start
	show_hint "Should timeout since client uses wrong password"
	run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: Prefix config, client uses wrong password"

	# client outside of prefix
	log_start
	show_hint "Should timeout due to MD5 mismatch"
	run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsb nettest -c ${NSB_LO_IP} -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: Prefix config, client address not in configured prefix"
}

#
# MD5 tests with VRF
#
ipv4_tcp_md5()
{
	#
	# single address
	#

	# basic use case
	log_start
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Single address config"

	# client sends MD5, server not configured
	log_start
	show_hint "Should timeout since server does not have MD5 auth"
	run_cmd nettest -s -I ${VRF} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Server no config, client uses password"

	# wrong password
	log_start
	show_hint "Should timeout since client uses wrong password"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: VRF: Client uses wrong password"

	# client from different address
	log_start
	show_hint "Should timeout since server config differs from client"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_LO_IP} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Client address does not match address configured with password"

	#
	# MD5 extension - prefix length
	#

	# client in prefix
	log_start
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsb nettest  -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Prefix config"

	# client in prefix, wrong password
	log_start
	show_hint "Should timeout since client uses wrong password"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: VRF: Prefix config, client uses wrong password"

	# client outside of prefix
	log_start
	show_hint "Should timeout since client address is outside of prefix"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsb nettest -c ${NSB_LO_IP} -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Prefix config, client address not in configured prefix"

	#
	# duplicate config between default VRF and a VRF
	#

	log_start
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} &
	run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NSB_IP} &
	sleep 1
	run_cmd_nsb nettest  -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Single address config in default VRF and VRF, conn in VRF"

	log_start
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} &
	run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NSB_IP} &
	sleep 1
	run_cmd_nsc nettest  -r ${NSA_IP} -X ${MD5_WRONG_PW}
	log_test $? 0 "MD5: VRF: Single address config in default VRF and VRF, conn in default VRF"

	log_start
	show_hint "Should timeout since client in default VRF uses VRF password"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} &
	run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NSB_IP} &
	sleep 1
	run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Single address config in default VRF and VRF, conn in default VRF with VRF pw"

	log_start
	show_hint "Should timeout since client in VRF uses default VRF password"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} &
	run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NSB_IP} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: VRF: Single address config in default VRF and VRF, conn in VRF with default VRF pw"

	log_start
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} &
	run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsb nettest  -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Prefix config in default VRF and VRF, conn in VRF"

	log_start
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} &
	run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsc nettest  -r ${NSA_IP} -X ${MD5_WRONG_PW}
	log_test $? 0 "MD5: VRF: Prefix config in default VRF and VRF, conn in default VRF"

	log_start
	show_hint "Should timeout since client in default VRF uses VRF password"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} &
	run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Prefix config in default VRF and VRF, conn in default VRF with VRF pw"

	log_start
	show_hint "Should timeout since client in VRF uses default VRF password"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} &
	run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NS_NET} &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: VRF: Prefix config in default VRF and VRF, conn in VRF with default VRF pw"

	#
	# negative tests
	#
	log_start
	run_cmd nettest -s -I ${NSA_DEV} -M ${MD5_PW} -m ${NSB_IP}
	log_test $? 1 "MD5: VRF: Device must be a VRF - single address"

	log_start
	run_cmd nettest -s -I ${NSA_DEV} -M ${MD5_PW} -m ${NS_NET}
	log_test $? 1 "MD5: VRF: Device must be a VRF - prefix"

	test_ipv4_md5_vrf__vrf_server__no_bind_ifindex
	test_ipv4_md5_vrf__global_server__bind_ifindex0
}

test_ipv4_md5_vrf__vrf_server__no_bind_ifindex()
{
	log_start
	show_hint "Simulates applications using VRF without TCP_MD5SIG_FLAG_IFINDEX"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} --no-bind-key-ifindex &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: VRF-bound server, unbound key accepts connection"

	log_start
	show_hint "Binding both the socket and the key is not required but it works"
	run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} --force-bind-key-ifindex &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: VRF-bound server, bound key accepts connection"
}

test_ipv4_md5_vrf__global_server__bind_ifindex0()
{
	# This particular test needs tcp_l3mdev_accept=1 for Global server to accept VRF connections
	local old_tcp_l3mdev_accept
	old_tcp_l3mdev_accept=$(get_sysctl net.ipv4.tcp_l3mdev_accept)
	set_sysctl net.ipv4.tcp_l3mdev_accept=1

	log_start
	run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} --force-bind-key-ifindex &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Global server, Key bound to ifindex=0 rejects VRF connection"

	log_start
	run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} --force-bind-key-ifindex &
	sleep 1
	run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Global server, key bound to ifindex=0 accepts non-VRF connection"
	log_start

	run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} --no-bind-key-ifindex &
	sleep 1
	run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Global server, key not bound to ifindex accepts VRF connection"

	log_start
	run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} --no-bind-key-ifindex &
	sleep 1
	run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Global server, key not bound to ifindex accepts non-VRF connection"

	# restore value
	set_sysctl net.ipv4.tcp_l3mdev_accept="$old_tcp_l3mdev_accept"
}

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 -I ${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 -I ${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 -I ${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 -I ${NSA_DEV} -3 ${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_md5_novrf
}

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 -I ${VRF} -3 ${VRF} &
		sleep 1
		run_cmd_nsb nettest -r ${a}
		log_test_addr ${a} $? 0 "VRF server"

		log_start
		run_cmd nettest -s -I ${NSA_DEV} -3 ${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"

	# run MD5 tests
	setup_vrf_dup
	ipv4_tcp_md5
	cleanup_vrf_dup

	#
	# 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 -3 ${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 -I ${VRF} -3 ${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 -I ${NSA_DEV} -3 ${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 'Connection refused' since client is not bound to VRF"
		run_cmd nettest -s -I ${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 -I ${VRF} -3 ${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 -I ${VRF} -3 ${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 -I ${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 -I ${NSA_DEV} -3 ${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 -I ${NSA_DEV} -3 ${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 -3 ${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 -I ${NSA_DEV} -s -3 ${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 -I ${NSA_DEV} -3 ${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 -I ${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 -I ${NSA_DEV} -3 ${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 -I ${VRF} -s -3 ${NSA_DEV} &
		sleep 1
		run_cmd_nsb nettest -D -r ${a}
		log_test_addr ${a} $? 0 "VRF server"

		log_start
		run_cmd nettest -D -I ${NSA_DEV} -s -3 ${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 -I ${VRF} -3 ${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 -I ${VRF} -3 ${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 -I ${NSA_DEV} -3 ${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 -I ${NSA_DEV} -3 ${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 -3 ${NSA_DEV} &
		sleep 1
		run_cmd_nsb nettest -D -r ${a}
		log_test_addr ${a} $? 0 "Global server"

		log_start
		run_cmd nettest -D -I ${VRF} -s -3 ${NSA_DEV} &
		sleep 1
		run_cmd_nsb nettest -D -r ${a}
		log_test_addr ${a} $? 0 "VRF server"

		log_start
		run_cmd nettest -D -I ${NSA_DEV} -s -3 ${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 -3 ${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 -I ${VRF} -3 ${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 -I ${VRF} -3 ${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 -I ${NSA_DEV} -3 ${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 -I ${NSA_DEV} -3 ${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 -3 ${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 -I ${VRF} -3 ${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} -I ${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 -c ${a} -r ${NSB_IP} -t1 -b
	log_test_addr ${a} $? 0 "TCP socket bind to local address"

	log_start
	run_cmd nettest -c ${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} -I ${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
		show_hint "Socket not bound to VRF, but address is in VRF"
		run_cmd nettest -s -R -P icmp -l ${a} -b
		log_test_addr ${a} $? 1 "Raw socket bind to local address"

		log_start
		run_cmd nettest -s -R -P icmp -l ${a} -I ${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} -I ${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} -I ${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} -I ${VRF} -t1 -b
		log_test_addr ${a} $? 0 "TCP socket bind to local address"

		log_start
		run_cmd nettest -s -l ${a} -I ${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} -I ${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} -I ${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 -I ${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 -I ${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} -I ${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} -I ${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} -I ${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} $? 1 "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

#
# MD5 tests without VRF
#
ipv6_tcp_md5_novrf()
{
	#
	# single address
	#

	# basic use case
	log_start
	run_cmd nettest -6 -s -M ${MD5_PW} -m ${NSB_IP6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 0 "MD5: Single address config"

	# client sends MD5, server not configured
	log_start
	show_hint "Should timeout due to MD5 mismatch"
	run_cmd nettest -6 -s &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 2 "MD5: Server no config, client uses password"

	# wrong password
	log_start
	show_hint "Should timeout since client uses wrong password"
	run_cmd nettest -6 -s -M ${MD5_PW} -m ${NSB_IP6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: Client uses wrong password"

	# client from different address
	log_start
	show_hint "Should timeout due to MD5 mismatch"
	run_cmd nettest -6 -s -M ${MD5_PW} -m ${NSB_LO_IP6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 2 "MD5: Client address does not match address configured with password"

	#
	# MD5 extension - prefix length
	#

	# client in prefix
	log_start
	run_cmd nettest -6 -s -M ${MD5_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 0 "MD5: Prefix config"

	# client in prefix, wrong password
	log_start
	show_hint "Should timeout since client uses wrong password"
	run_cmd nettest -6 -s -M ${MD5_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: Prefix config, client uses wrong password"

	# client outside of prefix
	log_start
	show_hint "Should timeout due to MD5 mismatch"
	run_cmd nettest -6 -s -M ${MD5_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsb nettest -6 -c ${NSB_LO_IP6} -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 2 "MD5: Prefix config, client address not in configured prefix"
}

#
# MD5 tests with VRF
#
ipv6_tcp_md5()
{
	#
	# single address
	#

	# basic use case
	log_start
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Single address config"

	# client sends MD5, server not configured
	log_start
	show_hint "Should timeout since server does not have MD5 auth"
	run_cmd nettest -6 -s -I ${VRF} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Server no config, client uses password"

	# wrong password
	log_start
	show_hint "Should timeout since client uses wrong password"
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: VRF: Client uses wrong password"

	# client from different address
	log_start
	show_hint "Should timeout since server config differs from client"
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_LO_IP6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Client address does not match address configured with password"

	#
	# MD5 extension - prefix length
	#

	# client in prefix
	log_start
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Prefix config"

	# client in prefix, wrong password
	log_start
	show_hint "Should timeout since client uses wrong password"
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: VRF: Prefix config, client uses wrong password"

	# client outside of prefix
	log_start
	show_hint "Should timeout since client address is outside of prefix"
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsb nettest -6 -c ${NSB_LO_IP6} -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Prefix config, client address not in configured prefix"

	#
	# duplicate config between default VRF and a VRF
	#

	log_start
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} &
	run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NSB_IP6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Single address config in default VRF and VRF, conn in VRF"

	log_start
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} &
	run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NSB_IP6} &
	sleep 1
	run_cmd_nsc nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW}
	log_test $? 0 "MD5: VRF: Single address config in default VRF and VRF, conn in default VRF"

	log_start
	show_hint "Should timeout since client in default VRF uses VRF password"
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} &
	run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NSB_IP6} &
	sleep 1
	run_cmd_nsc nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Single address config in default VRF and VRF, conn in default VRF with VRF pw"

	log_start
	show_hint "Should timeout since client in VRF uses default VRF password"
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} &
	run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NSB_IP6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: VRF: Single address config in default VRF and VRF, conn in VRF with default VRF pw"

	log_start
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} &
	run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 0 "MD5: VRF: Prefix config in default VRF and VRF, conn in VRF"

	log_start
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} &
	run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsc nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW}
	log_test $? 0 "MD5: VRF: Prefix config in default VRF and VRF, conn in default VRF"

	log_start
	show_hint "Should timeout since client in default VRF uses VRF password"
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} &
	run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsc nettest -6 -r ${NSA_IP6} -X ${MD5_PW}
	log_test $? 2 "MD5: VRF: Prefix config in default VRF and VRF, conn in default VRF with VRF pw"

	log_start
	show_hint "Should timeout since client in VRF uses default VRF password"
	run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} &
	run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NS_NET6} &
	sleep 1
	run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW}
	log_test $? 2 "MD5: VRF: Prefix config in default VRF and VRF, conn in VRF with default VRF pw"

	#
	# negative tests
	#
	log_start
	run_cmd nettest -6 -s -I ${NSA_DEV} -M ${MD5_PW} -m ${NSB_IP6}
	log_test $? 1 "MD5: VRF: Device must be a VRF - single address"

	log_start
	run_cmd nettest -6 -s -I ${NSA_DEV} -M ${MD5_PW} -m ${NS_NET6}
	log_test $? 1 "MD5: VRF: Device must be a VRF - prefix"

}

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 -I ${NSA_DEV} -3 ${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 -I ${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 -I ${NSA_DEV} -3 ${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_md5_novrf
}

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 -I ${VRF} -3 ${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 -I ${VRF} -3 ${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 -I ${NSA_DEV} -3 ${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"

	# run MD5 tests
	setup_vrf_dup
	ipv6_tcp_md5
	cleanup_vrf_dup

	#
	# 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 -3 ${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 -I ${VRF} -3 ${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 -3 ${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 -I ${VRF} -3 ${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 -I ${NSA_DEV} -3 ${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 'Connection refused' since client is not in VRF"
		run_cmd nettest -6 -s -I ${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 -I ${VRF} -3 ${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 -I ${VRF} -3 ${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 -I ${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 -I ${NSA_DEV} -3 ${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 -I ${NSA_DEV} -3 ${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 -3 ${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 -I ${NSA_DEV} -s -3 ${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 -3 ${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 -I ${NSA_DEV} -s -3 ${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 -I ${NSA_DEV} -3 ${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 -I ${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 -I ${NSA_DEV} -3 ${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 -I ${VRF} -s -3 ${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 -I ${NSA_DEV} -s -3 ${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 -I ${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 -I ${VRF} -s -3 ${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 -I ${NSA_DEV} -s -3 ${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 -I ${NSA_DEV} -s -3 ${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 -3 ${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 -I ${VRF} -s -3 ${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 -I ${NSA_DEV} -s -3 ${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 -3 ${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 -I ${VRF} -s -3 ${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 -3 ${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 -I ${VRF} -s -3 ${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 -3 ${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 -I ${VRF} -s -3 ${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 -I ${NSA_DEV} -s -3 ${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 -I ${NSA_DEV} -s -3 ${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} -I ${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} -I ${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. So this test passes
	# when it really should not
	a=${NSA_LO_IP6}
	log_start
	show_hint "Tecnically should fail since address is not on device but kernel allows"
	run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b
	log_test_addr ${a} $? 0 "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} -I ${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} -I ${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} -I ${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} -I ${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} -I ${NSA_DEV} -t1 -b
	log_test_addr ${a} $? 0 "TCP socket bind to local address with 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=${VRF_IP6}
	log_start
	show_hint "Tecnically should fail since address is not on device but kernel allows"
	run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b
	log_test_addr ${a} $? 0 "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} -I ${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} -I ${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} -I ${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} -I ${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} -I ${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} -I ${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} -I ${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
}

# VRF only.
# ns-A device is connected to both ns-B and ns-C on a single VRF but only has
# LLA on the interfaces
use_case_ping_lla_multi()
{
	setup_lla_only
	# only want reply from ns-A
	setup_cmd_nsb sysctl -qw net.ipv6.icmp.echo_ignore_multicast=1
	setup_cmd_nsc sysctl -qw net.ipv6.icmp.echo_ignore_multicast=1

	log_start
	run_cmd_nsb ping -c1 -w1 ${MCAST}%${NSB_DEV}
	log_test_addr ${MCAST}%${NSB_DEV} $? 0 "Pre cycle, ping out ns-B"

	run_cmd_nsc ping -c1 -w1 ${MCAST}%${NSC_DEV}
	log_test_addr ${MCAST}%${NSC_DEV} $? 0 "Pre cycle, ping out ns-C"

	# cycle/flap the first ns-A interface
	setup_cmd ip link set ${NSA_DEV} down
	setup_cmd ip link set ${NSA_DEV} up
	sleep 1

	log_start
	run_cmd_nsb ping -c1 -w1 ${MCAST}%${NSB_DEV}
	log_test_addr ${MCAST}%${NSB_DEV} $? 0 "Post cycle ${NSA} ${NSA_DEV}, ping out ns-B"
	run_cmd_nsc ping -c1 -w1 ${MCAST}%${NSC_DEV}
	log_test_addr ${MCAST}%${NSC_DEV} $? 0 "Post cycle ${NSA} ${NSA_DEV}, ping out ns-C"

	# cycle/flap the second ns-A interface
	setup_cmd ip link set ${NSA_DEV2} down
	setup_cmd ip link set ${NSA_DEV2} up
	sleep 1

	log_start
	run_cmd_nsb ping -c1 -w1 ${MCAST}%${NSB_DEV}
	log_test_addr ${MCAST}%${NSB_DEV} $? 0 "Post cycle ${NSA} ${NSA_DEV2}, ping out ns-B"
	run_cmd_nsc ping -c1 -w1 ${MCAST}%${NSC_DEV}
	log_test_addr ${MCAST}%${NSC_DEV} $? 0 "Post cycle ${NSA} ${NSA_DEV2}, ping out ns-C"
}

# Perform IPv{4,6} SNAT on ns-A, and verify TCP connection is successfully
# established with ns-B.
use_case_snat_on_vrf()
{
	setup "yes"

	local port="12345"

	run_cmd iptables -t nat -A POSTROUTING -p tcp -m tcp --dport ${port} -j SNAT --to-source ${NSA_LO_IP} -o ${VRF}
	run_cmd ip6tables -t nat -A POSTROUTING -p tcp -m tcp --dport ${port} -j SNAT --to-source ${NSA_LO_IP6} -o ${VRF}

	run_cmd_nsb nettest -s -l ${NSB_IP} -p ${port} &
	sleep 1
	run_cmd nettest -d ${VRF} -r ${NSB_IP} -p ${port}
	log_test $? 0 "IPv4 TCP connection over VRF with SNAT"

	run_cmd_nsb nettest -6 -s -l ${NSB_IP6} -p ${port} &
	sleep 1
	run_cmd nettest -6 -d ${VRF} -r ${NSB_IP6} -p ${port}
	log_test $? 0 "IPv6 TCP connection over VRF with SNAT"

	# Cleanup
	run_cmd iptables -t nat -D POSTROUTING -p tcp -m tcp --dport ${port} -j SNAT --to-source ${NSA_LO_IP} -o ${VRF}
	run_cmd ip6tables -t nat -D POSTROUTING -p tcp -m tcp --dport ${port} -j SNAT --to-source ${NSA_LO_IP6} -o ${VRF}
}

use_cases()
{
	log_section "Use cases"
	log_subsection "Device enslaved to bridge"
	use_case_br
	log_subsection "Ping LLA with multiple interfaces"
	use_case_ping_lla_multi
	log_subsection "SNAT on VRF"
	use_case_snat_on_vrf
}

################################################################################
# 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_bind ipv4_runtime ipv4_netfilter"
TESTS_IPV6="ipv6_ping ipv6_tcp ipv6_udp ipv6_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 $ksft_skip
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}

OHA YOOOO
����JFIF��� ( %!1!%)+...383-7(-.+  ---+--------------------+-----7------+-7-----+---++����"����M!1AQaq�"2���Rr��#3Bb�s����CSc��$4���D���TdE������'1!AQ"2q�a���� ?�Z�L�[�����=D�6]�T mѰx$�6��@ۣ`�Itl �"��(6�Dst�2:��Fk���x���4��K�h}�l �?r��@��!�Q��Y��?��-� =��O�����(6����<A�x%B��<A�x%B��<(6�@��.���*%���$e�m��T�wi��~H�]F�Ѱx"�`�Ul��ꃁ���RPl�6�UIA�x(���#�B��zy%�<�L���mvN �ԭ6�Y$Qk �S��䮰�K6ף�x�+�T��L4���>�C=j�������p�|J�ǥ���b=���Y�6g9��F1��Y�vݩ�`��塏��>� � �ݨ,�����A�o�=W*���"��>����� \ �"݄(꧈�y���9�m���d�aAD�u&�T��D �@$BITU�"��D�D!BH�� � �UTu� �^c�?�[ND�K�`�\F'�jf��<�G�G��B�q]�����!tl�6�]\4mѰx"��<�6��B�֊�o4.�Ah�8QM,�y�����%cLh��y�c����!�8Tb���h�!p�q�t����EIA�x'Pl �KT N h6�J�P7�6Ԩ�6恰&��� �� � ����R���)m�`8�nC�J���E��%H� D�"T �n��W�s+���x���+g�?t��@�����;�>�o��0�����|Ћ0�����|"�J�%EBBBB!X�����|��X��̟s��Ӭ��H獎ŏ m׷�0���—���2q����s�'q]�����7�%����hp8EAYy�Ӗc��9%�A� _g�ٙ���}ӯ�Ul�Ƽl Ѓ�a�ۮ9�i�*��R"�*������:��j�zE+�H ����kB�2�e��~��Zd# ��0Vr�T�ev������Y�����-8]o��x�~)�9��}W:RF֟��P�A�� ���G+hH�P6�����:���Ԁ��I�O{Y�F��$U"H�#2��*J����L��L�B�*��T`���(�-:�R�H Z��"�B�Ihh��B�B�����urP�%� ��9��7v",�!�A�b�X�V6F��� ���^K�+��f��qm^��'�9�K� �����o��! ��P�%B����E��}Xo�U��(BXJ󥯢t��u�&�}Xj +%�7+�c� �\��t�9t p*)��L�Z��T��KTC�NGT�PH pQ�� ɚ^qB ��8!�*��� P��"T iHS���n��W�s+���x���,mtG��@��D~���� } tY������Y���4����!!@!@!@!@�a�^h��R���*��|!���Us;����n:��#���4-h�chW꼝���%�+Z�kA��E%��4“M$�����@y�q˓��ʽ�� $U��������eH�-;�a�ކ�&����*IB� �Z�w��;c��|�3JZ@��-��w�k������Q�Ϊ �g�d���I��G����8�N�G�����(R)�2�_�]3;]z7]�2�w�r����I�Iĭ=15���b~ 2�{cuO�'෎V�nyI)��1s�� ����i�lT*�ݠ�������H��p��^j�C�Q�B*(������(m�Wb ���Z�)P*D$EGimZU�ViZ��┵\�P�L���IW���Eh����[榚V�R8+l��zV<�B�M�j�V�pw�%�*�UKYǒ}�J�% ���(�����HM��NQ�S�toԝ�ܪZd�ল���,UP�J�=�Z m�T��-]��y��*k+���:�%J��V���X�i�o6�D38�h�=� �'G�$�@��X��H�P�~��X��e�Ã�����4���WS��x�3���q�˓V�S��k'�K�w�N�w�eb��,��bcw�1�� �ȃ�%����͖��Bd�J��*V�Y��.;Kh�� �*���1 X���-�� �OJ��$ sCU��H�Zj���N��e�m�zT�"T��%���8�(Q�4 雐��d8���j�$NH�'$@�� �a�< ᴖ��K��W ��5}��{��-�����w�}�,Y����䴣�,��S�|�R��BT D!�R ^��I *I4m%Gk�2&�y�m$�k;�7m��sW���:�q��!汖s��]�i�;(��ƣ�7_�Ve�o\㛜K�y���T/.yܝ�2! �AB(BD��ꦽ� �EX�w2��\�����^{Nɥ�=����lB�V���y ��t||�K$�v��Ȃ>* D��Q��z$�y��F�MqD��(���鍵M2 �G� ;[r*4�T�Rd�oV#�t+���P�A-��v�*�>��PhU ���-QJ��Y�mE;k�"�F�?%���R��&������G�ӳhx;�i��h���5��+�Cr��8���B�:�+BI�Ϯ�LOٳ��=�~��,��b�t�C�6p\����x ��«�!{�ҽhh��7<� ĊW���<�CNw�ai�@��ںf����j#^�Ny���\^rRU9�1u`�RC% T)SCM��VtR��U溢�f���i�|��Y/SpWF�V ��*�A�5)%T9����'B��O "�TTTQZTm�Dv] �����U����������R�����5�/B^�.�/���"rE�8B)�"�P�D!Km�<W��y�� |�[�m���,Y\A�]��7��f����ѻ,H�Zj[���eh� (N+P�U"N�*���ء6L� 뛐�������"T D!BBT�"�#��I~%�͑�W ���Q���w��] ���.���.��<���O��Zl�,��S�|���%F��9"H�Cj�66��4Wy��NTR��i Y��� '����|���c<�fژ��E�����\>.�|hH�Yem��&��"h!!*lehjӼ �s�HQ�b���� pi�Η|h�'�Rh��SP3 ۽�$0��P X?�w�-;5���4h�{� ���/U�v ���ְ\2o��e�����@(��+�u���Ē�����B^��&�M]�B� �"��D��@!@!@!,�lΖF��W=���^����da�cehi�����_��#d��[ 9_=�]�Ù^�$!�-p8�u�(B�/� ��A�!�����\�F4q��3����:�[�>�w�ك�[���]��<��[�3�'��M+�yMH�R D�P��(�P��AJ�b Qq�F�bq�ߪ:J�$j��8�-5 ��z@�#��K� ڕ�N ԺKړ�^y߉�Ԭ.�tv��n9��w���n�|s�Z��;q"{���9�! �BJ��BMe��=�`���֍�&�Ba�{� ���v ���@�> ���lp�6������uRh�"�i�,ɯ�79o�*�� ��V�&�[\v��:�bq k�|���\͒��1��]q��C �xi")��*0w��{��0�c��������߸ɢj�X�MQ����Y�R%B�D�P��!�$@$J��J��K�����r^�V~�� p�KWg���.��m 뛶���L�Z Bã� U; �H7�V�A��+�B��r R7!�%\���!�!�!�� �a��W�����+��Z�cw���]�C�D��}˽��]��g���>KM���?���� G�4HI&����i=,�Ge��*��o���ׯ r�c�RZ����$� ����fӿ.:��q'\j�M\㼕j�g�߃rh�� � S\ ��g���d%UkY� ��?Nn>�Y$ &�,�[/I�ZC��>�a��S�K��p ��� �Ƭ�QY�X��h!M�m�h�8]p���y%� C/gt����ڭX��� c�iW\�;'�i�� �atd���ā�7(6L`��]�=��hP��.�ss��X�9�X��ji�;��t��\��V���0f�87�U�?k��ww3W�|��=L@� ���OG��bv�Z���uj��AD�BEjubӨ&����F�Wgb�G���:�uT1��ni���y|�X�Etu������n�k�D��q57���g�A�n ��X]&����+����sD%�0�p��<��Vtm�����Z���9�^�Y*�(�{�/��j���sn}uz�����_n����������MErjΎ��[#N-5�5�a\��cu]m��M�WN�b�_ p�t�q�~ '��H�- y�@7%Oj�h�y/B��d�k�-{o�,-5��i�4toWx꘳�_�(E�LJ�í�m;�]t��V�^23I�{�h�g�43-zJ�ֽ��g�Z "'!N��:� N������Qku�8�3�n^���s,�6(� �nv��.�),��eƷK�\K����IPO�A��������e�K���ڌ6����yW�)֋��Z}�m{쾙��x���{hyn+/EY�l�W!-�$�U.��I��� ��� �� �/M�;��Pݎx�"~+��Ή1�&ѯ���=����#�ыv�$�[�"�R��To�v~)�U�˨ x0^q��S���^�d����ʠ�W� ��5�B���dy"��&�õ���c��g�+��9��ugh�ޖG���7������ �곗Hz;f�L��`8���{"��؛f�1��&�)J[�I������!n��v��b�Ik{�������ŋ���qo�s\��}ɛ\*KO<=h�L�2�U��Z� ���v���[O��8�@7$t����4S2r�ʬm���)18op�?��]1%�<��&71�k�.�s$.?-��s�ïZ� C�DjFC�w֠r+�@U4U��xY2����N�w�S�\S+�� P�0D��� ����R�>*D�3�֎m�Fu��v^k��,�9�-�V����M�k���Rw֏�Z�[Y�=���q:Aů%�>�����O�0�pmӅC�^뇍6��+E��N�f>29^L����=e�gi�-0�����e�W5��U�E�x�і��(ZKH�F(�Y�mrA;Gf\�H�z�G��iw� �^�r�y������-.��9��2|�%���ÌR�����J��� x��ab��KD�꾏!�k��D�s4o���F/9�2��fv��?y���z;WLC�T�*���l�"�b[�qi��A� ����Vf�җ�W'fA������� ¢�#h?%.�҆�lߊ�_��w� 6�uA�*V�;M�y�*�OY����1MZ6��g1�PsWiv�e���%B����@�B"�@$�TQF�т@p�q֫9��+��F��bF� VljWx�B�%���L����ۗ$��˒r������ � � d�p:KZ����+��Z�c{��r��D�ކ}˿h}��"be�I !���-[��n�{ft�J`�ь7f#�\c�{rڱ����T0уQ~���Q��h�����9���;��Ֆr�Ts�Y�dt��L�ٳx�R�i�<�B�g�=��^caؤs�EI��SAEɤ6�\��b�pn_�Z�U�u�� c\}Z�a��y��B�PZ���'�Ya���Ʈ��N�� ��I�C��,Vp��+A^Y,��,h*��[P�!�|�����I-,nn��& �x��u )�T�o��%��]8-x�m�dh́�sz]�/�#�}�{� �uq*͚��1=��g27�4�l�;���Rn�v�G�zܑ`�Z9���j� �ᲈ�X̜�]�$���OYɊT��2� %BAJ����� �:�uԮU�j_� z'�48d�T'��F�g�rI�Ƹ��+ :��p� '$涨�䳶J5�k�48Tk�[;c��K=��zՕXʛuS��"��Q�8l �m��ˋ��k+���ᴇ��$V _�%$g��k��]��GZ�t�^ʹ�쮣��k��m�2V:9׊8c෎v%�8O�&}�����]�\�G4?��3F ,�6I9�k��^�����m���TЕm � J�P� ��}�� ��Y���2��}�&���{��|(Y�o���J���v�qܶ��EAA����BG�o<�Y1�K+�����۽���^�dŹ���-�v�����P��It���sh�VŦ���ޫ.H�4+�9m�ώ�Q �H���%D�@�!@�%@AFkK��B�&hCm��8'&7.A9y�P�$J�B�P�*BJp< �t���͑�W�����E- ��#�h�8��� {K�s���Zgu���m=IU�v���;!�cϴ� ��J�"r\ 0 p��+�8T��e]ĵy�rߧ\'�4s\�ep����� <�ޑ}ƶ!��9�V�Mk]R;1���4L���'2j���B��F@c���f���e=�k�t�n�?X��2W����j����&��Ꜩ�n�WԮ�5� �����G���|h�m�(ݹ��@Z��VY$?�6�qy$�'���l�z��Õ��I���pK_ny�Tlq��<��.#��)��&���0�)#;s�`k��xn5ʞ�4�-�Y� ���'�kFe���k%������=�{c9���u�L�Ut��,�`g���iS)Z��Z@���l8B��P1�y��Z�ѩ�\�㏲Vk���&K,��I4����iX!��U,���7‰l����`t��E�I��ʺN�P�(����k!�}֒�\q��-m'%؝CBh����aTn[�%Z}�C��0P>bs$�)�4���x��9E�&�^EQf��!�mt�z��8��ձhR�Rw�ͨ��{>g��(��c�C���p�� �޺ S��n� l���$lgn�ۂ����I�{݉$�XnM��-{��Z��E-����n��*Si/`s?%��8��6�<����� \7A��WZR#���Ǔi�˹ V2*��B�� �� T�=3n�&юA�� ���%��_O� ->���G�EgJ�C��a?��tl@����6��m��Q���p�s(^���*�� � �Tfi :�b��Ed���׀�|c���8^a���F�[J�~7*@n�3��2��j��mik^��NyF�J�g�������6���*@��Pg�珢�C�g��*=5���R��g�=U_��;G�~)&��M���\<�F,�]�&��<\o�L�]����g �� r޿��������$kk��i(�!�ݥE�V�E�;ͨ���헮�����5���TiTM�z��+N����Ī��J�e{ݺ6 �n$�q<�Y�!�1�yAs����.�@��U�%+�έ��u\]J�`�Mdփ��C���;3��:&�^��7NK ���øS��]��'�7v�M;�ä\BD�1�P:�J#i��u��e���mZ���<���X?eew'8��� �=��փ��.����Ԯe�c�e�O)�KZ9 rW,�����a#[���U[�03\ޚ�\QU�3���L<⵶Zv�dP2���4d5����\f���f�b���н�~��x��e�I��J��e�M2���d��oݴ���\|2M��6U�.��RYt|���O~�Q��pV���։c��C����E:�9��q@��N�D�;� �y�;M�Z�3���BԷڒ� ���Sm>�t��q�O@��=��s�6����H���EAi����e��;��ղ� p�<1T�&��79�ǽ�1#�5��'xµ��eODB��Z^;@7o5���"����xZ+�!S6�<�&�5��z���xa�.������73k�6��Yc@@ � ���D� ��� �f����438D75�/?��.�%����� � ?�7�L�)�u�����ٙ�S�]��s+���?��r.�G��e���sBBB!Y�4]��) G���g OҴʡi�͐�6QԼ�' �2wT�~��p嬙�z�q��ˆ8a�-��f^ˆҀ���L����E4�GX^�5�(�R�a���>���F�v"! �5�~>�]�,�~*2��n�M���>�i�A �B1U����<�R&��ϊz2�*FV�ѵ����Fm������Z5���~�r�T-�=� �1�7���pP��N �otg���dǟGo޶D�l�U����T��hp8��ε���n#ӊ�[y98��(�N!![p5 P�D! �� $8��r�#r�/;� �ȪD rTԨ�J��f�y��i.w�#�n ��k��V���#�b7]���|�^l61�w�ܼO�\�=�:`��s:=3��H��zJ3ʾJ*�Ղ�f����V�8�c0�pV[�u�!5��*ZRJFw�|�(�Ù���{���5$�8p �d$�A�J��rI���4��Gm������V�2����#2��Y N ��C��zy���+e-���q��H�]<�9�W{��%&��g��2���[���sq �U���f�Ӎ�<.���@�e=�$h�y��r��� ��vޢ���1���{.�%E�I�6�����L,��s���F�e`�Z�w5�� ��?� ���uzR��0U��?́o�i#���t��)�u[#�{M�9�q��劘�?�OdqOџv8���q>�}�c��Y�:E��U��tj/�i��#�7�yQl�����4��vUg�~;�h�� �@'�\�09�9���S�Z�Ӕ�K]��KE�8�l{�?V��ܪ��{ւ�ٱ�ԕ��zd�U�tD��~�*.j��[Du0=��w'�kR�q��z5 x: Dߘ���k��WYh�Y�OUg ���t�w*�>u��du�L'P�����O%���iuմ���=�JpvnZcm�^��OٱC%܌�`�����Ee�L�u���غ�^�owȭ�<2�����W���v�����[�KK_P*�_i�ͮ\A�Fl��h ŭ��K��r�E��;FB�qSUs�'�W�'v�ߴp?tës��`�bm;b��H�bN���q�A���u���ki�Ԕ4A�J���"Ƌ��36C[�sLM�k���⺖��/����z�(J+{���+�|��8Q��\����͎���g��ޫ#-s\�F@�d��CR��4;��Y,⍾[4m�1��m�>��4�9B�� .�%�WTm�w�����Z։n��+�vD! :�ZO��7����t�.�\����u0 x��K>Et61�g$�B�!@!@!T ���%�̭/ ��]Ȁy+)IF>�����Ů����;�+Y�p��xzqY�3��!r|�L����͛��O�ތ�G�{��snV/9���v{Cd˲�~JE�*T�Q����[�G���z?{� �T��pg�H�;��ϊzBHP�m�6��`�>�n>��V�G� qEh��S� ��h�rZ߭�ю+$g�� ����xU:3�4��M{�f���^'�ܰ�}�7�y$�u�V��R�s@z�Z05��4d�i�&�Эe-��6�5���]�v�a# %dU']\|��vv���~����TuN`u ��I�gn'������C\#�|j�>�t��"�3�� ��$��̈́��1��K�yƤ��;�'⦉�A ��4�B1*�J���ft{I}fɓ�� �n��n!>ۦ!���\�n�i��& �s���+>]%yŐ]�����G�8f(�m,v6�{s=� `�8:�`�G�;�à����6��`��?S(V�"6觼}��WW�lQ�p��J�l�ST]��0V��LX?��j�,��ԝc}��O�;C�)�v���,toe/�Ԩ�D��hhFí] K&��H륎l�b�+'�.��Hޛl�> j�c�woI�����`+�Jݶ�D���z'S�÷/�r�_�[A�i��7v��w/��@ ~��T�pɼ� ^�)�z34��$D ��R=�l�[�j�a��FGT&�ŧ6��V��H�S�ttY]%o�3��y O�Y�4ⴹ�����D��F���94�zx���]{ܾ+7��*;P�nX�E I7t�XW���4�KD��i���epS��B72U{)B3cZ`nc;����բ��F�<�72Bמ������\k��F��?��$-�F�� ��Z,�fHۯhsM*�4��FY��@цbP�\�ÎW:s@JE�.�������b��N�D�$d��w�]49oi��Z|Ŏu���+}�WC�6b| Ǵ�P[��ps��Q��`�����=�G6�c� �R]N&�&�Fƣ������u�� i�Yњ[�������n���eu� ~,�=�k�4d��Bז�������;���Q�˴Ѱ1����()�yT}4�5�pd&�i5��n�ZvN������eÔ�br�~^�6�����v�m���:���Q=�8���O���Pw8��汴gL,Ґ�(�]{K��<�G�����+,o��3^�暃]��j �E �i#;�Դ v�iz3ƃ� Ap&X.Iڤч~�vNBAMy�uf [��u@�v��3�5��$�V���5�����9��i?�72:ր7U����S~�"y$��Rv�C�+�5�NЋh������ �mt�+�4��*$Ұ!�1�����z��:*��3�l�sX�1���h�J�g��`{NTj#h#Q���yL�y�ڜ1,}d��h�qh�p�Eq��g,�f�����(���]'�E]�����S?y���O��G˽G� ��?�͓�$�Ew�4{���I�i=��o#�Ը�(��Ru��[�L�ܾ݉���e��������_�g��?�\oY������U�}'����A� ��������DU�e�����M�o��/.S��o�aVsd��H��a�2v8�����V琽셤� .q�"m/P�$����u/i���V�;��:���­�2��W��.�{uÖ����>���ô1���'2w�i L2 �W(�}d�9����� H�A�= �!�) �d�\D�������ԥ�f���j F�AA�p 䴖u�G��XHd����L����xb7�Ly5�X�����׳�G������a�����4���t9=KjIµ+���c�x7�Q���ߊ�!T*��� :ߣ��nb)�h+E�����̓�k�k��+MU�X� ���=�Л�Է&����ݽ����;��]��Xwj:���b��C�Z�i�>9��sRf��h����� ��y�NF��%Mn\���*TԵD*Tڥ@�SP��SR�Ir< ാ��=���|��$��\&����ʟ� ���].=�������ĴsX���U�6�����*�]q�T���s�]¾�%��> Ș������غ�C)[�x$���WL�(,P�6�m�� mķ�5��MJ`QU����3A��k�W�6 ��� �����p8��5�G��ߑ�8�8�㹠rZ�hm nM��\�/��R�D�45�Z(� 70�B��Ktu�/=uƨ�:n;�y[�)�4���Hʂ6�[yƙō?�4��P��;��Ini���l�CJ��_I��j�,m��A�)N ;o�?�o�+�ש���BQ]t�i�h�RQKu!��j.�HIu�D�W�'�EٴT�il�}YV�>�{[��������uV?Gض���.>�Ol�/�+�݌@�;� ��Kr#��yͮ N��R��b�4��f�+�N�������q���๮��'Z�hid/-m�/�����y+)���4��,�X��p0dC^��A��jk�h�|.��6݆�lu2?T��р�55�MJ�3lWL]U���C�g ��o �W���~���˯P�@H��H�۲�(rjD��OE��E�����˻L�9r��J�q�����hΝ?�b�)9�%2��׍k�(��p��D��l��8„�m 3�J�U��b���� 鵝��C+����p��;���Ŧ��L�J�6��VF���_�U�z���ϴ���I�U��"�������.�@f�I��f��8�R.��i��6�X�V���Ү�Yg�u&GK,.oU#X�H܉qp7{�h����@)�$����j���`�I��5�lQ����⊪�y f� �CҤJ��!%�\��o�:#�V�DkpVI=���h9�n�� ˾�gcm20�����u�p�kȯSj���姫�z�N �և�K�lg}�a�ⴴ��8_#�Ɨ8�h�y�EzGz�#d�Z]V{��o1�6�2;nG�4� ��[�Ⴐ����$�W1�� cƾEJ��'��S��[��Z�(i=��j�skq����1�mOF�,� �h�ܕ��0��1�P�v�a��6�N��ӆI���Ln�1�1���滑�x�l�x7�v���y���X���-�)���W�]�uN�P� � ��y�(U� a���m h&k�����(������gk� �1��M(]��7�v� �xi�K,a„,y"������j��<6V���Wm�' �c[]N ����@ܹ'U1���R��@�SR�T$�J�� &G�\5�}��� �Z�w�O�yfy��7�\O�\�n���=��(�.��v�OK��:�����2Q�q�� x�.ӦhC��=IU�ƙ��h��' �)��R��E�g��cuG!�i�}X� [K*����+�m+���F-=a�H難�����5� �p�U\���fd��#��Nh!fݪT׶�*" adL����edr8��߼�d��PKt�{\ ^�{.i��P��$l)�[�Ǎi�j�Y���8 5>��e�p'�D,8G����C������Ň�5ql���+u � ����Tv7�`;FK�� c��Tƫ�zQ�>�3�;���1�V��N>R�Ň�G'/�?�ƚZ�ˍI$�IQT�NB�2>m�6�o�K��rU�!��Ev�BiT�"�BH� � \ڧ!w2�VSKVt�D��k��p$�L��F�<QoG�� �����׍�9�Ts^���̞&L��Esx5��4�E�0�����VX�u~6�t<��sṷ~�t����O ������xR����Ů�\��Qk��� �'<��jpx���Go��R\�S.���Ë�ӯ#�: ���~�0'���t��ׁtsK��hd��4����=���^��{Z����i�EAS<|j㗔Q�E� �� b4���<��-KL�_��J6юÛoj�\�b�2m�9��Y��G�_������m�/�B����lo�H�aR93�o �=����Y#|�IBZ�h�c�5�a����sՈek���F �*N��$`sH ��2 �U7���?w+��:�!�t\�p�CP]x��c(�A)��Sj��qm> ���0:�c\�=��|����V��1�Q� ��j:�1 9c*�tx:�i�hAe p"��i��k�T�no�;�)Ri�w��WF�upJ��@�SR�pB@��6�j�R�Bˑ�W�WHv����o�v�8�uO��G`W3W.7����}:q�i=*�GĀ�,�7%(6��I�ݓ����xM�`8)����$��$�WfY,���64��4h�����^;(u$��^rf�ơ�3䎉�u�V_xg��9����N�р��ʐ59Q���4V[�4��M��X�L� 4纥5J� ����k�r4vdh����O*U�"�!����3C$�"��+G㌟6�G  �����Yt�Վ��2sN���ɉq�@#.�暁#?)��j5)[°�S1I��#��p�C�KKi#��'ǵ�^���/��LK[�7� �s�9�;ҭ�J���x�J)^�U�{'��EI����T4T�}�k�+ �~#��{j=�ﭑ��t�����\�A�/g�;���k��O��V��훧-Ή�k0|��� s����y.|G��W8���<έ�-��BKc�e�;��[_�+%g'���o��i�*V�@�#�TM��Ց�9��6��w ���ed��R l�N��M�)J������G�V�L�k?UQPK�#��(�/F᳓!d��dpȜ(���n��E���t� qX�"��Y#��t�}�`��v����FY�=҂ )`4|���]��xS. ȥr��ZFI�t�>�ƍMh��%{x0���͗� P�B�� � JS$U*B ���@!@!@!@QB!6��� ��-ςVM/F�µ��A�� �4�,�Yt�}k���X��6^�P�{��ӆV�&��u�F�v�Qmtg���g0��-.0�ݺ���jk��{�'j���H�W=�{��8ԯ.vd�$�Ҭkݺ%-ls�����|�Яn�A����dx9�g�x�Y��Ln$���)Z�sV4�cO�Y�F<~G��b��~�?� ���m%��w�џvH�)��bgH��,��f�%��B^�}��O�o�)��ү�����e�}۟Խ���.�c�$p������H�׆��u���5�x K#��.��P��i�vG0y4+��~�?�<1߳�O�~��-k�^�!|lq���q�HJZ�AT/S�Np�UgDXoG��E>;Q�y;_=�Xsy��C!��a�v�u��'9���k8v9�#��n���4 qћ���q x�nz��|���b�,�i�� ����x�we��R�EB!@$)Rn������z�x�F�-�pBF�8%E BD� �J��J��9%�<���.�Uͅ��Y)Y�$��j���b�7=�;qB���y�o �u�sV�^���qǷZF�t@�}nA�D�� ��!�k����6�C!Ƅސ���c��$/b� ֆ�ZA�P�t�yS��!e��!�!�!�!U )a�s($��7�sc�+�+��W�6y��Z�s]�k�k��P��Nٺ�[� ������zZ��X�PZ?) ��;u�\_K#w�~8�N�+A»n��lQ�]��$���]�IIC��#�kN ^�����C�<�i36���~ � ͺ?�Y�չ$o�� �Ů����^�����@ � �ZG�S�a��� m k�w �0�AA)�Ǔ,z�8�&�>��V0�Ƶw�ܵ����(7%U��-%��c�l�u�C{��&Yܻ^L�f���sZ֊�8�� 䬷[m���O�i�?x�\�L�g.{�+��1���\Ʀ�@ i�NB�s ��龝F�Yfi�� )���Cy\���\d��{��s�4��O*�N⤞�u�j.uMv⚄/���|ܮ�P�*���R � �!P$J���PMN@!*D��� �!%�D"��}��:�f�R��E�z�х�}RFS+�w1�� �x/7�O[v��^�������J�).���`����Hm�ROz'1���0�\���S٧��Q��g?W��ub{i��]ą��Ykhu�����c}���]|�*�'��ix�϶h|�*7�����!|��X�<2��H�g��k���=����8��4k1[v C/N���{Z p�ؘ�Mݧk�-��4������9B�v��y9r�^ɡt�v������4�� �V�^S�+��z�:��\�.�w�1�}X�ö���j�3ӿ��t��O!�_��C����&]����o��4 �����+���ľ�&Jw�X> �KO"��`��V �n=�a\{k?�UT�8%_F>aP�"�R ��@���P �P�B (Q�)�Oc��ÁBi ��� � � T!�R �F4�՟ q!����MN �w"|��Jr��j�7Wol�����C���R���1����[�x�B$?_����c�*n���i�W��������/(�ұ���ͻ#���q�H�� �L��V��u��/�^Ž8�Q���s�t���Zߎ�&�������y5ɖ�eA�f�7B� Y'xP�CBq`��C0ƻT�{��G�,�M� �B �#%�=�_Z��l��6<;�W�^$һߣM'G>�Nl~�x��T�5�z*AN ��Q�v~*D( d�ge���:³J��Pv&�\ ��j�F��4ێ��;A�9;楆F����ӟ-�{��-Mk@� ��*]�n��+ pp�MB�L��x�ɻ��Tdؾ���d���Fv�T��*;BBBD T!UҖ��3kG�L<胗^.q�r��^7��Wkh�3SX����U��v���7K�8��}h�̖��=K7G<�%���KJ������}^�T��/����d�c�f�*rBBBBB ��A�zF� �HBT �zi�ʗZ"���ƽkxH�v�? �C��%y�Mz1�8�aoٻ�h~ONƹ;$�^#�u�6!5��^���O�W1�.�]7F�`H��bw��\�GԮ�ݛ�p��]"�x{.�o�� �R5�S�i���څo��+��X;���Z2�M�*����FѬs^�l��9㓼�P����9���*E��cHQ�k�f�ٸs�Ժe���� ���\/N����>n?%��t���3��ަ-������´TV��1ߕ�� �=����؎ �(��} z|�T! �BD��E�4�d�\��T�R%Z@�!�* p�@�P� ���f��HF�/ԦM�&���! P"���T�A�У�g?����5^ �m� ��w#�����ndδ>9�m�����Ƹm����{z�o�;E�G��ݐ�g�>��`^Ch��^9�I�q>k��}%2��;Ee��q �i�� Y��8Uk� {g�=�2Q�pAM��Gխl|26X��y�8�TsUKT���z3�Yl��E�4�FV�]��A�~J�{��Od`9����}�q#kA����su��{.���Nװ�5��#"4\,Ӵ�qb9�=hZ� hv]�k�5���0�x�հ�+)2 R!C,�vNН��Ɂ��G��J�#� ���5�-f�=��{l�o`EA�*�2^��S�e� ��8!W6��4a��#��%Mn\���P�*)P�*D U��Ii`�I94�>M�Z�����6�k$y�KCԳ��5gl��dv�s$���W�~3�B?t���xooL�WC�z�tm���>�;G�i�z��}��M,�}�a���S��5�M q�:r�`!@!@!@!@!@!@!@��E�8q'!�=2��՝���Լ�=K���:�e�aX�A�489�c�j����^����EA0B��t}�I/�������a����<�r�9-6j�:��������+9�,"�� �������D������F{�=������t���P>�s=�?�Wn ����1�;T�Ŵ���j3�8|v��E����OS�Z�� �����-i�p��׆֓Q�Nn?/qǃ��껅���m� ��.�9�p �dAȮ?���B��0��ג=�L�6X�G.���Uev���$v����U/N]�:�T�uB�8_O��g�B�*D�6L�`��Dȃ.k?*�*D-!P� � D�F D�(���P��b�:��KI����#��+l��TB �B繬cK��5�hĹ�4s)��~��.jt��p �P�MGjPb��;ݹL���Α�&�|Խj���Y/:�/7�`] .��j+�y�^��"�[,���i�fY�s�ye��66��$V��;�W��蟭۠�f��d����R÷�;�X�.�:�����7���p�+�ccs�m ���(��fM�m���[,P0E ��|&)#!���� W"3"���aӯ��~� ����������hk�7�.f����*RK�����ߢ�IK~Z��]- G�TDӫi9�����o�Me�ء�9�Dz�$�8z��`@��k#�2� �^�C��Ѥ:�F�ܤ�� u�E��C������_m H� ��v?�m��W���.���8C��w�q澴��������$�T��Q��D�kFƁ�:E�g���u�GP�����;���yu�at.+�(�0s�y�?���{*G:��*k�E@�Ȃ����47N�J��UƐ�/�i#ۈ9�{��W��~.��Y�](׀施�[MU��Xu��7� B�T!"BD T!!!�Al�2F:7�9��X�qS��V� �m��$�2{.��89������,�������#d�#��]�����"tR �ÛN�4�!p�j7� l���G,&7bЇ��G G�'X�e��e���i9��x��#��D&�G`q�qR�|x+C��L��C�ѵ�7�#�1��:��F�fR�Ni��,�� TҔ��v)-�@�dto&�:��x���5�J�^^^?{�g.櫝R�M,���'b�r�c_?%�&��O]�H�D3R��5�����OBT����P�(�R �f�P�D*�,d�>7�NrUB�'jICِ��63����&��J�QD�J�E�e릊��t��xҍ���ܫU�I},�G >�����äu�Hb���#m���c7�$M &����Y;��دH�9饭���m��fN�/�5�`Z{ з���%�=� _[�u�{�{Ndv����kk�M6�p�'8H�ėd�%K��{F��>��9ͺ�lkh��n�N׹� ��.��h#G��� ��o��j�<ׇ &���0���R�3+�N���� ��4��kE�5~��:��5���A8�k!�c�c���i4�4T8ePuQ3E}� ~���GՏZ޺id��n!ΒS�2�٧|n��D�E#�}6^iY�O$���z�<�L��@VcQ�} t�i;`|U������H ���KC������Z��[\�7������^�����87ch��4��V��mC��y� ����81�������SPv?C�^8-��G Lmc 4k]V����` kj��cm|�2="���Z&��ZZ�� Mpk�ZV��Լ������7n ]�6���]���ˡԢ����.��M ���4{��V9��Z] d�ɥ#'�P Ay��ю�M�2e{#�ѭ܅M7*q���MN�v��I�HsIii����FE\q��諒*�-� f4� �5,�G�ZN׹� v��ql�#���G��=�|�t�q�U�$�¤�P��z7n�Ŗ)+RX���]� �5�;A�\ѕ��RBOݼ=����O����g�y�ˤ�f^�u8X-�fk�Zj�H�j��7��[uSr��]е��6,�M�ё�渐�iZjä�'d�\3�[�{��\���Б ��H���}㸡%�����i��R���U����P R!���?O�H u�[�Ok�C�=nŠ{O`�PO�+WN�YX�a�狍��5�+*|^����?Լ��n���I�v�vC�W�N�wh���u�6�^���H�� �`+UP������B?�+�n!"TFu�:;�*�ԴCxo,�q��&�4���ne>����L릏��#}���g�$�W�d����O�ZkC��;�г��;�dZ�aݶ�J`���=�c0���=��if����oٵ��Ӭs�. �sIk�X�=�0~#X:��q�yG�� Sh�[���u� -5i�GQ�E��вZE�Dq�ym��ਨߗ���+0��d����h:�|��F^�Qg�Ϡc\�a�^k�+�tz����f��U����q+ج�6F۱��h�Ɔ��'�Ayv�o���=��U�Y鹅��U�5��4{\ñ�->}�����##N��8x�sX�x�;��)�鯣�,��+g~�U�-9r!y�����~�>�h$e]��4^�9�qˎ�:l��Lb*�஻s�f,��ZL{Z�-�D%BH�R!*PN�j�)� �,X���D�.m,Œz�褕�[��:6WW$m�P�*U� �Ϊա�DJ,�J�!@�ZU�1VV�J� Hn��=Vq�KUa�*��U��aP�*���iCf��O�M��8��XK٘���S�=��lK��P ����,�ס"U�� �p�r#"3 #�J�>� $��,��ٚ�h!TB :����[���P���! 8"�!�M�T ��@�H�i;A��R���}��|�PaO)|�?Q����;#Оj�A2��kO�T�2�Cv o* �5����=��Axr��N3Qab�v��ඊ�N�����f��q��B��hWV��o��[p�B�U�`�F�YB��#��-4�p޳Ee٥c��ֶ�?j{QKќ����I�t��\e!�`����H�$��J��ؽ���q�.�|~_�˗�c�v�tf�k�b����iFKOgaܷ!���y�`��Nd� ���њe�Q��jy���������' ��|����Ci�T�)�"��PF�U�=��;�pۭ��u A�*2T!!!! �+I��v� �=D�`%$TBH� �񦲵t����K^�#�r;]�w��Y�lk&�Ĝ�㋜w�S�T>8�E�� ���FPIJ��M(�J�PR%B)r� p ��7�*D���;;8�_+}��?G�e�G��_�v(Ve~��}<���^�����`� �0�賭?Gv����s�m<׬ ��˔�f��^'i腽�ٞ�?�1�ɦ�*�a�<$�H��9��{�������T.��/�c�G�F4۫ܭ��K߳Ŏ���w�hV�����b�X�J�:5�ɟ,����$]�����߻|3x����y�+wG�p�%�V�����څ�r�~\�Q��%��չYѥ HH�*�1MS���Z�HJ��� P�6(�T))�@%H��!Q,L�h�q�P�U*˕U��<.��>#B�e ����:+�M���F��\��X� xK H¦SmK��֧,��[��,Rk�u��{.��5����@!@ �n?h�)Sm�x�(Zi�ܒ� VZB* Z��?/r?i���X0�"����t��y��F?N'��r\�.��c7UmN��a{ ���<�YF7 aZl'<�v�SO�w����ixރ^�v����޶}۽ҹ�Ci\J�^�:�h�g�5k,�>�X���/�ෂۅBBR�V���ɴV�� KLiN�]e#�@91�۷l�2�4�R�Ay�cuos�4.Y�|�"�\Mf����ku2��N<<�ޓ�?��H�ok#�&���@r ��(8���+N=ƴ4T묝�G%�ڨ}W���ݩ�NsH�Q5m��o|��ä́� ���ݑݚ�,V�L��5�9�c�����tn��\#2{�5�~T\98e�;z8��>�N��r�b� ��as#K6qB J������{��֣$#"�vYu^�YM��B�g��w��[�EB�@BHUEz�I��;@��H1�O�B���+Zi[C�?�w��`�B�{}���A�@7�P�@4���ɒ�r�d�D\Ƽ6[v�c�T V��s�*+te����Xk�r�f����������� hoXt��v{��{�q�Z|���)����-�y��� ����������鈕��)�� q:SQ$��5��8c�x���E�„l$� m/�J�"��Z�֙���1܆�oV�ު��N�J^+��z�:�����gY٭n�Vz���_�ӄ�+�����n��I,�[o����� Y��5��\m�b��1/cĮ��1� sh�I�Գ����.�Թw�n�K���Wڻ���XGS�:�\cv�-��%gYtV�&�v �rc��Gy[���U�5��.�4pc��M� �Fgvc h��G�FG�޹p۴u���۷kZ�V�������Q�u��S��ҧ�i����[��)~�ޏ_��Z�~>2��N���S?[O ��y�jk��8�lƮ|���#���T]lт'{�X��E�@{����c���dk:�M� ��|6Ԧb6QX��! �!*D��Ui�*�, R!eVXj�0�R�t�BsR�Q��FS��#=���}A]��Ϣٱ���w��%罽��QB� u��� -�x�(Zm}��ђ*��ڢ�9"Kȼ���q�q�-.<�W17q�����j�2V�������ǀ}��w�9��Nfh��ƃ̯?5�v�&ݭ����/�` g�<�Ȟ�qh�(�s��� �Q�M&~���q���.{ޱ;Gp�\J�N��z��G��}�:��Ē7���Ի+�i�(ro����6��(�RP`�4�����:�h�f� ��Z䫎� �-�g���8��~ �����q�ʮYLq�9,��Ӏ�FPǍݧ?2v-;4 ����$�gz��g m5�����V�c#Ŗ[�T�u=�YV�mq&�qZeb�08 w��RX�t�����mܝ�( iy��#0ѫ��֛M+��7X/�6��V�5�2�=�8�F Iߏ%cGC� ���м�������i�oX�M�aROy����vn.Y�����ol���f������ra��c�Ifsy����p���pW肼�e�w^�p��PT�N[�XY.���i��&�����8+V;[%e���� � Yi��vEH�é�� �S�0���+�Ll������i���M%�Xv:R+��^Y�@ޖ���!���Ni�/���4d��T$�@�M��ȣ�n�"��0斜������h�̔ޕ�i]u��%�7��� ����|�:���+xr���sϋ ���0�#�ˢ���@��,;�1�cZoґ���Z�WmV[�1�rD潍����o4���M֍�Ecv����_�q��g�(h��#� �X����A1a]s�3�U�,f�M�1��ch{��\��s�vF e��u���Q�7o�W.|򚩏���6� �ݩoi�P��p{Mx�,��@�flvGL�5βFe��ը5ִ����(��Ȭ�˖V���?�"�w�c��d��#�|�����GZ��9�vx��������/�X�+ a%��^>AX�[�ȥ�[�ȫy���x0�����D"7�q8��>��7��A sZ^{�n_-�ڇ�� �¸��'ZݾE'ZݾE\���j��a��= �kv�u���Wd� D�����$0ct1{�ɣd id���..�h$�p��YQ�<��hq���f�N�uQ\f�9]E���B\��<������ �V�e�ȠJݾEzdy�=7�n�"���|�!h�����ȣ�n�"�?Ih+5�Rx"�{�/��x�;L}��٤|S]Yb>=��W�u���Q}�|����n��΋�`�pVF�"��0�������+Mtf�k��]������Ϊ̇��$+�4�с�$��������y���HX�C����*�y�E�v+%H��R�$����Z�FBUWaP����~G���=�*�,BT�ZTX�෋5"�GjNs���R��A�'ih?����Ay��DB���X�ʏ?�!����Bm��Šz/�_ ���%���A�[��;����� N���