1407 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			1407 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# This test is for checking IPv4 and IPv6 FIB behavior in response to
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# different events.
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ret=0
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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# all tests in this script. Can be overridden with -t option
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TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric"
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VERBOSE=0
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PAUSE_ON_FAIL=no
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PAUSE=no
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IP="ip -netns testns"
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log_test()
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{
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	local rc=$1
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	local expected=$2
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	local msg="$3"
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	if [ ${rc} -eq ${expected} ]; then
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		printf "    TEST: %-60s  [ OK ]\n" "${msg}"
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		nsuccess=$((nsuccess+1))
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	else
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		ret=1
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		nfail=$((nfail+1))
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		printf "    TEST: %-60s  [FAIL]\n" "${msg}"
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		if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
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		echo
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			echo "hit enter to continue, 'q' to quit"
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			read a
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			[ "$a" = "q" ] && exit 1
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		fi
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	fi
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	if [ "${PAUSE}" = "yes" ]; then
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		echo
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		echo "hit enter to continue, 'q' to quit"
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		read a
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		[ "$a" = "q" ] && exit 1
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	fi
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}
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setup()
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{
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	set -e
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	ip netns add testns
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	$IP link set dev lo up
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	$IP link add dummy0 type dummy
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	$IP link set dev dummy0 up
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	$IP address add 198.51.100.1/24 dev dummy0
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	$IP -6 address add 2001:db8:1::1/64 dev dummy0
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	set +e
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}
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cleanup()
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{
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	$IP link del dev dummy0 &> /dev/null
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	ip netns del testns
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}
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get_linklocal()
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{
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	local dev=$1
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	local addr
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	addr=$($IP -6 -br addr show dev ${dev} | \
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	awk '{
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		for (i = 3; i <= NF; ++i) {
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			if ($i ~ /^fe80/)
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				print $i
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		}
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	}'
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	)
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	addr=${addr/\/*}
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	[ -z "$addr" ] && return 1
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	echo $addr
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	return 0
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}
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fib_unreg_unicast_test()
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{
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	echo
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	echo "Single path route test"
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	setup
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	echo "    Start point"
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	$IP route get fibmatch 198.51.100.2 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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	log_test $? 0 "IPv6 fibmatch"
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	set -e
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	$IP link del dev dummy0
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	set +e
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	echo "    Nexthop device deleted"
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	$IP route get fibmatch 198.51.100.2 &> /dev/null
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	log_test $? 2 "IPv4 fibmatch - no route"
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	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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	log_test $? 2 "IPv6 fibmatch - no route"
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	cleanup
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}
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fib_unreg_multipath_test()
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{
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	echo
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	echo "Multipath route test"
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	setup
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	set -e
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	$IP link add dummy1 type dummy
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	$IP link set dev dummy1 up
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	$IP address add 192.0.2.1/24 dev dummy1
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	$IP -6 address add 2001:db8:2::1/64 dev dummy1
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	$IP route add 203.0.113.0/24 \
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		nexthop via 198.51.100.2 dev dummy0 \
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		nexthop via 192.0.2.2 dev dummy1
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	$IP -6 route add 2001:db8:3::/64 \
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		nexthop via 2001:db8:1::2 dev dummy0 \
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		nexthop via 2001:db8:2::2 dev dummy1
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	set +e
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	echo "    Start point"
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	$IP route get fibmatch 203.0.113.1 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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	log_test $? 0 "IPv6 fibmatch"
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	set -e
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	$IP link del dev dummy0
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	set +e
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	echo "    One nexthop device deleted"
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	$IP route get fibmatch 203.0.113.1 &> /dev/null
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	log_test $? 2 "IPv4 - multipath route removed on delete"
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	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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	# In IPv6 we do not flush the entire multipath route.
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	log_test $? 0 "IPv6 - multipath down to single path"
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	set -e
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	$IP link del dev dummy1
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	set +e
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	echo "    Second nexthop device deleted"
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	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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	log_test $? 2 "IPv6 - no route"
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	cleanup
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}
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fib_unreg_test()
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{
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	fib_unreg_unicast_test
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	fib_unreg_multipath_test
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}
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fib_down_unicast_test()
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{
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	echo
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	echo "Single path, admin down"
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	setup
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	echo "    Start point"
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	$IP route get fibmatch 198.51.100.2 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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	log_test $? 0 "IPv6 fibmatch"
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	set -e
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	$IP link set dev dummy0 down
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	set +e
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	echo "    Route deleted on down"
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	$IP route get fibmatch 198.51.100.2 &> /dev/null
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	log_test $? 2 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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	log_test $? 2 "IPv6 fibmatch"
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	cleanup
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}
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fib_down_multipath_test_do()
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{
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	local down_dev=$1
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	local up_dev=$2
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	$IP route get fibmatch 203.0.113.1 \
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		oif $down_dev &> /dev/null
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	log_test $? 2 "IPv4 fibmatch on down device"
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	$IP -6 route get fibmatch 2001:db8:3::1 \
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		oif $down_dev &> /dev/null
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	log_test $? 2 "IPv6 fibmatch on down device"
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	$IP route get fibmatch 203.0.113.1 \
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		oif $up_dev &> /dev/null
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	log_test $? 0 "IPv4 fibmatch on up device"
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	$IP -6 route get fibmatch 2001:db8:3::1 \
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		oif $up_dev &> /dev/null
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	log_test $? 0 "IPv6 fibmatch on up device"
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	$IP route get fibmatch 203.0.113.1 | \
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		grep $down_dev | grep -q "dead linkdown"
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	log_test $? 0 "IPv4 flags on down device"
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	$IP -6 route get fibmatch 2001:db8:3::1 | \
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		grep $down_dev | grep -q "dead linkdown"
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	log_test $? 0 "IPv6 flags on down device"
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	$IP route get fibmatch 203.0.113.1 | \
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		grep $up_dev | grep -q "dead linkdown"
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	log_test $? 1 "IPv4 flags on up device"
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	$IP -6 route get fibmatch 2001:db8:3::1 | \
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		grep $up_dev | grep -q "dead linkdown"
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	log_test $? 1 "IPv6 flags on up device"
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}
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fib_down_multipath_test()
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{
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	echo
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	echo "Admin down multipath"
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	setup
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	set -e
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	$IP link add dummy1 type dummy
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	$IP link set dev dummy1 up
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	$IP address add 192.0.2.1/24 dev dummy1
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	$IP -6 address add 2001:db8:2::1/64 dev dummy1
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	$IP route add 203.0.113.0/24 \
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		nexthop via 198.51.100.2 dev dummy0 \
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		nexthop via 192.0.2.2 dev dummy1
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	$IP -6 route add 2001:db8:3::/64 \
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		nexthop via 2001:db8:1::2 dev dummy0 \
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		nexthop via 2001:db8:2::2 dev dummy1
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	set +e
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	echo "    Verify start point"
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	$IP route get fibmatch 203.0.113.1 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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	log_test $? 0 "IPv6 fibmatch"
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	set -e
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	$IP link set dev dummy0 down
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	set +e
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	echo "    One device down, one up"
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	fib_down_multipath_test_do "dummy0" "dummy1"
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	set -e
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	$IP link set dev dummy0 up
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	$IP link set dev dummy1 down
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	set +e
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	echo "    Other device down and up"
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	fib_down_multipath_test_do "dummy1" "dummy0"
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	set -e
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	$IP link set dev dummy0 down
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	set +e
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	echo "    Both devices down"
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	$IP route get fibmatch 203.0.113.1 &> /dev/null
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	log_test $? 2 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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	log_test $? 2 "IPv6 fibmatch"
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	$IP link del dev dummy1
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	cleanup
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}
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fib_down_test()
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{
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	fib_down_unicast_test
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	fib_down_multipath_test
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}
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# Local routes should not be affected when carrier changes.
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fib_carrier_local_test()
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{
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	echo
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	echo "Local carrier tests - single path"
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	setup
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	set -e
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	$IP link set dev dummy0 carrier on
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	set +e
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	echo "    Start point"
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	$IP route get fibmatch 198.51.100.1 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
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	log_test $? 0 "IPv6 fibmatch"
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	$IP route get fibmatch 198.51.100.1 | \
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		grep -q "linkdown"
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	log_test $? 1 "IPv4 - no linkdown flag"
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	$IP -6 route get fibmatch 2001:db8:1::1 | \
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		grep -q "linkdown"
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	log_test $? 1 "IPv6 - no linkdown flag"
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	set -e
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	$IP link set dev dummy0 carrier off
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	sleep 1
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	set +e
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	echo "    Carrier off on nexthop"
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	$IP route get fibmatch 198.51.100.1 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
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	log_test $? 0 "IPv6 fibmatch"
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	$IP route get fibmatch 198.51.100.1 | \
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		grep -q "linkdown"
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	log_test $? 1 "IPv4 - linkdown flag set"
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	$IP -6 route get fibmatch 2001:db8:1::1 | \
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		grep -q "linkdown"
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	log_test $? 1 "IPv6 - linkdown flag set"
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	set -e
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	$IP address add 192.0.2.1/24 dev dummy0
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	$IP -6 address add 2001:db8:2::1/64 dev dummy0
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	set +e
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	echo "    Route to local address with carrier down"
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	$IP route get fibmatch 192.0.2.1 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:2::1 &> /dev/null
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	log_test $? 0 "IPv6 fibmatch"
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	$IP route get fibmatch 192.0.2.1 | \
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		grep -q "linkdown"
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	log_test $? 1 "IPv4 linkdown flag set"
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	$IP -6 route get fibmatch 2001:db8:2::1 | \
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		grep -q "linkdown"
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	log_test $? 1 "IPv6 linkdown flag set"
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	cleanup
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}
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fib_carrier_unicast_test()
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{
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	ret=0
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	echo
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	echo "Single path route carrier test"
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	setup
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	set -e
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	$IP link set dev dummy0 carrier on
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	set +e
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	echo "    Start point"
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	$IP route get fibmatch 198.51.100.2 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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						|
	log_test $? 0 "IPv6 fibmatch"
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						|
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	$IP route get fibmatch 198.51.100.2 | \
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		grep -q "linkdown"
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	log_test $? 1 "IPv4 no linkdown flag"
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	$IP -6 route get fibmatch 2001:db8:1::2 | \
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		grep -q "linkdown"
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	log_test $? 1 "IPv6 no linkdown flag"
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						|
 | 
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	set -e
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						|
	$IP link set dev dummy0 carrier off
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	sleep 1
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	set +e
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 | 
						|
	echo "    Carrier down"
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	$IP route get fibmatch 198.51.100.2 &> /dev/null
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	log_test $? 0 "IPv4 fibmatch"
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	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
 | 
						|
	log_test $? 0 "IPv6 fibmatch"
 | 
						|
 | 
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	$IP route get fibmatch 198.51.100.2 | \
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		grep -q "linkdown"
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	log_test $? 0 "IPv4 linkdown flag set"
 | 
						|
	$IP -6 route get fibmatch 2001:db8:1::2 | \
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						|
		grep -q "linkdown"
 | 
						|
	log_test $? 0 "IPv6 linkdown flag set"
 | 
						|
 | 
						|
	set -e
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	$IP address add 192.0.2.1/24 dev dummy0
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	$IP -6 address add 2001:db8:2::1/64 dev dummy0
 | 
						|
	set +e
 | 
						|
 | 
						|
	echo "    Second address added with carrier down"
 | 
						|
	$IP route get fibmatch 192.0.2.2 &> /dev/null
 | 
						|
	log_test $? 0 "IPv4 fibmatch"
 | 
						|
	$IP -6 route get fibmatch 2001:db8:2::2 &> /dev/null
 | 
						|
	log_test $? 0 "IPv6 fibmatch"
 | 
						|
 | 
						|
	$IP route get fibmatch 192.0.2.2 | \
 | 
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		grep -q "linkdown"
 | 
						|
	log_test $? 0 "IPv4 linkdown flag set"
 | 
						|
	$IP -6 route get fibmatch 2001:db8:2::2 | \
 | 
						|
		grep -q "linkdown"
 | 
						|
	log_test $? 0 "IPv6 linkdown flag set"
 | 
						|
 | 
						|
	cleanup
 | 
						|
}
 | 
						|
 | 
						|
fib_carrier_test()
 | 
						|
{
 | 
						|
	fib_carrier_local_test
 | 
						|
	fib_carrier_unicast_test
 | 
						|
}
 | 
						|
 | 
						|
################################################################################
 | 
						|
# Tests on nexthop spec
 | 
						|
 | 
						|
# run 'ip route add' with given spec
 | 
						|
add_rt()
 | 
						|
{
 | 
						|
	local desc="$1"
 | 
						|
	local erc=$2
 | 
						|
	local vrf=$3
 | 
						|
	local pfx=$4
 | 
						|
	local gw=$5
 | 
						|
	local dev=$6
 | 
						|
	local cmd out rc
 | 
						|
 | 
						|
	[ "$vrf" = "-" ] && vrf="default"
 | 
						|
	[ -n "$gw" ] && gw="via $gw"
 | 
						|
	[ -n "$dev" ] && dev="dev $dev"
 | 
						|
 | 
						|
	cmd="$IP route add vrf $vrf $pfx $gw $dev"
 | 
						|
	if [ "$VERBOSE" = "1" ]; then
 | 
						|
		printf "\n    COMMAND: $cmd\n"
 | 
						|
	fi
 | 
						|
 | 
						|
	out=$(eval $cmd 2>&1)
 | 
						|
	rc=$?
 | 
						|
	if [ "$VERBOSE" = "1" -a -n "$out" ]; then
 | 
						|
		echo "    $out"
 | 
						|
	fi
 | 
						|
	log_test $rc $erc "$desc"
 | 
						|
}
 | 
						|
 | 
						|
fib4_nexthop()
 | 
						|
{
 | 
						|
	echo
 | 
						|
	echo "IPv4 nexthop tests"
 | 
						|
 | 
						|
	echo "<<< write me >>>"
 | 
						|
}
 | 
						|
 | 
						|
fib6_nexthop()
 | 
						|
{
 | 
						|
	local lldummy=$(get_linklocal dummy0)
 | 
						|
	local llv1=$(get_linklocal dummy0)
 | 
						|
 | 
						|
	if [ -z "$lldummy" ]; then
 | 
						|
		echo "Failed to get linklocal address for dummy0"
 | 
						|
		return 1
 | 
						|
	fi
 | 
						|
	if [ -z "$llv1" ]; then
 | 
						|
		echo "Failed to get linklocal address for veth1"
 | 
						|
		return 1
 | 
						|
	fi
 | 
						|
 | 
						|
	echo
 | 
						|
	echo "IPv6 nexthop tests"
 | 
						|
 | 
						|
	add_rt "Directly connected nexthop, unicast address" 0 \
 | 
						|
		- 2001:db8:101::/64 2001:db8:1::2
 | 
						|
	add_rt "Directly connected nexthop, unicast address with device" 0 \
 | 
						|
		- 2001:db8:102::/64 2001:db8:1::2 "dummy0"
 | 
						|
	add_rt "Gateway is linklocal address" 0 \
 | 
						|
		- 2001:db8:103::1/64 $llv1 "veth0"
 | 
						|
 | 
						|
	# fails because LL address requires a device
 | 
						|
	add_rt "Gateway is linklocal address, no device" 2 \
 | 
						|
		- 2001:db8:104::1/64 $llv1
 | 
						|
 | 
						|
	# local address can not be a gateway
 | 
						|
	add_rt "Gateway can not be local unicast address" 2 \
 | 
						|
		- 2001:db8:105::/64 2001:db8:1::1
 | 
						|
	add_rt "Gateway can not be local unicast address, with device" 2 \
 | 
						|
		- 2001:db8:106::/64 2001:db8:1::1 "dummy0"
 | 
						|
	add_rt "Gateway can not be a local linklocal address" 2 \
 | 
						|
		- 2001:db8:107::1/64 $lldummy "dummy0"
 | 
						|
 | 
						|
	# VRF tests
 | 
						|
	add_rt "Gateway can be local address in a VRF" 0 \
 | 
						|
		- 2001:db8:108::/64 2001:db8:51::2
 | 
						|
	add_rt "Gateway can be local address in a VRF, with device" 0 \
 | 
						|
		- 2001:db8:109::/64 2001:db8:51::2 "veth0"
 | 
						|
	add_rt "Gateway can be local linklocal address in a VRF" 0 \
 | 
						|
		- 2001:db8:110::1/64 $llv1 "veth0"
 | 
						|
 | 
						|
	add_rt "Redirect to VRF lookup" 0 \
 | 
						|
		- 2001:db8:111::/64 "" "red"
 | 
						|
 | 
						|
	add_rt "VRF route, gateway can be local address in default VRF" 0 \
 | 
						|
		red 2001:db8:112::/64 2001:db8:51::1
 | 
						|
 | 
						|
	# local address in same VRF fails
 | 
						|
	add_rt "VRF route, gateway can not be a local address" 2 \
 | 
						|
		red 2001:db8:113::1/64 2001:db8:2::1
 | 
						|
	add_rt "VRF route, gateway can not be a local addr with device" 2 \
 | 
						|
		red 2001:db8:114::1/64 2001:db8:2::1 "dummy1"
 | 
						|
}
 | 
						|
 | 
						|
# Default VRF:
 | 
						|
#   dummy0 - 198.51.100.1/24 2001:db8:1::1/64
 | 
						|
#   veth0  - 192.0.2.1/24    2001:db8:51::1/64
 | 
						|
#
 | 
						|
# VRF red:
 | 
						|
#   dummy1 - 192.168.2.1/24 2001:db8:2::1/64
 | 
						|
#   veth1  - 192.0.2.2/24   2001:db8:51::2/64
 | 
						|
#
 | 
						|
#  [ dummy0   veth0 ]--[ veth1   dummy1 ]
 | 
						|
 | 
						|
fib_nexthop_test()
 | 
						|
{
 | 
						|
	setup
 | 
						|
 | 
						|
	set -e
 | 
						|
 | 
						|
	$IP -4 rule add pref 32765 table local
 | 
						|
	$IP -4 rule del pref 0
 | 
						|
	$IP -6 rule add pref 32765 table local
 | 
						|
	$IP -6 rule del pref 0
 | 
						|
 | 
						|
	$IP link add red type vrf table 1
 | 
						|
	$IP link set red up
 | 
						|
	$IP -4 route add vrf red unreachable default metric 4278198272
 | 
						|
	$IP -6 route add vrf red unreachable default metric 4278198272
 | 
						|
 | 
						|
	$IP link add veth0 type veth peer name veth1
 | 
						|
	$IP link set dev veth0 up
 | 
						|
	$IP address add 192.0.2.1/24 dev veth0
 | 
						|
	$IP -6 address add 2001:db8:51::1/64 dev veth0
 | 
						|
 | 
						|
	$IP link set dev veth1 vrf red up
 | 
						|
	$IP address add 192.0.2.2/24 dev veth1
 | 
						|
	$IP -6 address add 2001:db8:51::2/64 dev veth1
 | 
						|
 | 
						|
	$IP link add dummy1 type dummy
 | 
						|
	$IP link set dev dummy1 vrf red up
 | 
						|
	$IP address add 192.168.2.1/24 dev dummy1
 | 
						|
	$IP -6 address add 2001:db8:2::1/64 dev dummy1
 | 
						|
	set +e
 | 
						|
 | 
						|
	sleep 1
 | 
						|
	fib4_nexthop
 | 
						|
	fib6_nexthop
 | 
						|
 | 
						|
	(
 | 
						|
	$IP link del dev dummy1
 | 
						|
	$IP link del veth0
 | 
						|
	$IP link del red
 | 
						|
	) 2>/dev/null
 | 
						|
	cleanup
 | 
						|
}
 | 
						|
 | 
						|
################################################################################
 | 
						|
# Tests on route add and replace
 | 
						|
 | 
						|
run_cmd()
 | 
						|
{
 | 
						|
	local cmd="$1"
 | 
						|
	local out
 | 
						|
	local stderr="2>/dev/null"
 | 
						|
 | 
						|
	if [ "$VERBOSE" = "1" ]; then
 | 
						|
		printf "    COMMAND: $cmd\n"
 | 
						|
		stderr=
 | 
						|
	fi
 | 
						|
 | 
						|
	out=$(eval $cmd $stderr)
 | 
						|
	rc=$?
 | 
						|
	if [ "$VERBOSE" = "1" -a -n "$out" ]; then
 | 
						|
		echo "    $out"
 | 
						|
	fi
 | 
						|
 | 
						|
	[ "$VERBOSE" = "1" ] && echo
 | 
						|
 | 
						|
	return $rc
 | 
						|
}
 | 
						|
 | 
						|
check_expected()
 | 
						|
{
 | 
						|
	local out="$1"
 | 
						|
	local expected="$2"
 | 
						|
	local rc=0
 | 
						|
 | 
						|
	[ "${out}" = "${expected}" ] && return 0
 | 
						|
 | 
						|
	if [ -z "${out}" ]; then
 | 
						|
		if [ "$VERBOSE" = "1" ]; then
 | 
						|
			printf "\nNo route entry found\n"
 | 
						|
			printf "Expected:\n"
 | 
						|
			printf "    ${expected}\n"
 | 
						|
		fi
 | 
						|
		return 1
 | 
						|
	fi
 | 
						|
 | 
						|
	# tricky way to convert output to 1-line without ip's
 | 
						|
	# messy '\'; this drops all extra white space
 | 
						|
	out=$(echo ${out})
 | 
						|
	if [ "${out}" != "${expected}" ]; then
 | 
						|
		rc=1
 | 
						|
		if [ "${VERBOSE}" = "1" ]; then
 | 
						|
			printf "    Unexpected route entry. Have:\n"
 | 
						|
			printf "        ${out}\n"
 | 
						|
			printf "    Expected:\n"
 | 
						|
			printf "        ${expected}\n\n"
 | 
						|
		fi
 | 
						|
	fi
 | 
						|
 | 
						|
	return $rc
 | 
						|
}
 | 
						|
 | 
						|
# add route for a prefix, flushing any existing routes first
 | 
						|
# expected to be the first step of a test
 | 
						|
add_route6()
 | 
						|
{
 | 
						|
	local pfx="$1"
 | 
						|
	local nh="$2"
 | 
						|
	local out
 | 
						|
 | 
						|
	if [ "$VERBOSE" = "1" ]; then
 | 
						|
		echo
 | 
						|
		echo "    ##################################################"
 | 
						|
		echo
 | 
						|
	fi
 | 
						|
 | 
						|
	run_cmd "$IP -6 ro flush ${pfx}"
 | 
						|
	[ $? -ne 0 ] && exit 1
 | 
						|
 | 
						|
	out=$($IP -6 ro ls match ${pfx})
 | 
						|
	if [ -n "$out" ]; then
 | 
						|
		echo "Failed to flush routes for prefix used for tests."
 | 
						|
		exit 1
 | 
						|
	fi
 | 
						|
 | 
						|
	run_cmd "$IP -6 ro add ${pfx} ${nh}"
 | 
						|
	if [ $? -ne 0 ]; then
 | 
						|
		echo "Failed to add initial route for test."
 | 
						|
		exit 1
 | 
						|
	fi
 | 
						|
}
 | 
						|
 | 
						|
# add initial route - used in replace route tests
 | 
						|
add_initial_route6()
 | 
						|
{
 | 
						|
	add_route6 "2001:db8:104::/64" "$1"
 | 
						|
}
 | 
						|
 | 
						|
check_route6()
 | 
						|
{
 | 
						|
	local pfx="2001:db8:104::/64"
 | 
						|
	local expected="$1"
 | 
						|
	local out
 | 
						|
	local rc=0
 | 
						|
 | 
						|
	out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
 | 
						|
	check_expected "${out}" "${expected}"
 | 
						|
}
 | 
						|
 | 
						|
route_cleanup()
 | 
						|
{
 | 
						|
	$IP li del red 2>/dev/null
 | 
						|
	$IP li del dummy1 2>/dev/null
 | 
						|
	$IP li del veth1 2>/dev/null
 | 
						|
	$IP li del veth3 2>/dev/null
 | 
						|
 | 
						|
	cleanup &> /dev/null
 | 
						|
}
 | 
						|
 | 
						|
route_setup()
 | 
						|
{
 | 
						|
	route_cleanup
 | 
						|
	setup
 | 
						|
 | 
						|
	[ "${VERBOSE}" = "1" ] && set -x
 | 
						|
	set -e
 | 
						|
 | 
						|
	$IP li add red up type vrf table 101
 | 
						|
	$IP li add veth1 type veth peer name veth2
 | 
						|
	$IP li add veth3 type veth peer name veth4
 | 
						|
 | 
						|
	$IP li set veth1 up
 | 
						|
	$IP li set veth3 up
 | 
						|
	$IP li set veth2 vrf red up
 | 
						|
	$IP li set veth4 vrf red up
 | 
						|
	$IP li add dummy1 type dummy
 | 
						|
	$IP li set dummy1 vrf red up
 | 
						|
 | 
						|
	$IP -6 addr add 2001:db8:101::1/64 dev veth1
 | 
						|
	$IP -6 addr add 2001:db8:101::2/64 dev veth2
 | 
						|
	$IP -6 addr add 2001:db8:103::1/64 dev veth3
 | 
						|
	$IP -6 addr add 2001:db8:103::2/64 dev veth4
 | 
						|
	$IP -6 addr add 2001:db8:104::1/64 dev dummy1
 | 
						|
 | 
						|
	$IP addr add 172.16.101.1/24 dev veth1
 | 
						|
	$IP addr add 172.16.101.2/24 dev veth2
 | 
						|
	$IP addr add 172.16.103.1/24 dev veth3
 | 
						|
	$IP addr add 172.16.103.2/24 dev veth4
 | 
						|
	$IP addr add 172.16.104.1/24 dev dummy1
 | 
						|
 | 
						|
	set +e
 | 
						|
}
 | 
						|
 | 
						|
# assumption is that basic add of a single path route works
 | 
						|
# otherwise just adding an address on an interface is broken
 | 
						|
ipv6_rt_add()
 | 
						|
{
 | 
						|
	local rc
 | 
						|
 | 
						|
	echo
 | 
						|
	echo "IPv6 route add / append tests"
 | 
						|
 | 
						|
	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
 | 
						|
	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2"
 | 
						|
	log_test $? 2 "Attempt to add duplicate route - gw"
 | 
						|
 | 
						|
	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
 | 
						|
	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro add 2001:db8:104::/64 dev veth3"
 | 
						|
	log_test $? 2 "Attempt to add duplicate route - dev only"
 | 
						|
 | 
						|
	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
 | 
						|
	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
 | 
						|
	log_test $? 2 "Attempt to add duplicate route - reject route"
 | 
						|
 | 
						|
	# route append with same prefix adds a new route
 | 
						|
	# - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
 | 
						|
	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2"
 | 
						|
	check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Append nexthop to existing route - gw"
 | 
						|
 | 
						|
	# insert mpath directly
 | 
						|
	add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	check_route6  "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Add multipath route"
 | 
						|
 | 
						|
	add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	run_cmd "$IP -6 ro add 2001:db8:104::/64 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	log_test $? 2 "Attempt to add duplicate multipath route"
 | 
						|
 | 
						|
	# insert of a second route without append but different metric
 | 
						|
	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2 metric 512"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::3 metric 256"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Route add with different metrics"
 | 
						|
 | 
						|
	run_cmd "$IP -6 ro del 2001:db8:104::/64 metric 512"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route6 "2001:db8:104::/64 via 2001:db8:103::3 dev veth3 metric 256 2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Route delete with metric"
 | 
						|
}
 | 
						|
 | 
						|
ipv6_rt_replace_single()
 | 
						|
{
 | 
						|
	# single path with single path
 | 
						|
	#
 | 
						|
	add_initial_route6 "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:103::2"
 | 
						|
	check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
 | 
						|
	log_test $? 0 "Single path with single path"
 | 
						|
 | 
						|
	# single path with multipath
 | 
						|
	#
 | 
						|
	add_initial_route6 "nexthop via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::2"
 | 
						|
	check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Single path with multipath"
 | 
						|
 | 
						|
	# single path with single path using MULTIPATH attribute
 | 
						|
	#
 | 
						|
	add_initial_route6 "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:103::2"
 | 
						|
	check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
 | 
						|
	log_test $? 0 "Single path with single path via multipath attribute"
 | 
						|
 | 
						|
	# route replace fails - invalid nexthop
 | 
						|
	add_initial_route6 "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:104::2"
 | 
						|
	if [ $? -eq 0 ]; then
 | 
						|
		# previous command is expected to fail so if it returns 0
 | 
						|
		# that means the test failed.
 | 
						|
		log_test 0 1 "Invalid nexthop"
 | 
						|
	else
 | 
						|
		check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024"
 | 
						|
		log_test $? 0 "Invalid nexthop"
 | 
						|
	fi
 | 
						|
 | 
						|
	# replace non-existent route
 | 
						|
	# - note use of change versus replace since ip adds NLM_F_CREATE
 | 
						|
	#   for replace
 | 
						|
	add_initial_route6 "via 2001:db8:101::2"
 | 
						|
	run_cmd "$IP -6 ro change 2001:db8:105::/64 via 2001:db8:101::2"
 | 
						|
	log_test $? 2 "Single path - replace of non-existent route"
 | 
						|
}
 | 
						|
 | 
						|
ipv6_rt_replace_mpath()
 | 
						|
{
 | 
						|
	# multipath with multipath
 | 
						|
	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
 | 
						|
	check_route6  "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::3 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Multipath with multipath"
 | 
						|
 | 
						|
	# multipath with single
 | 
						|
	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:101::3"
 | 
						|
	check_route6  "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
 | 
						|
	log_test $? 0 "Multipath with single path"
 | 
						|
 | 
						|
	# multipath with single
 | 
						|
	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3"
 | 
						|
	check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
 | 
						|
	log_test $? 0 "Multipath with single path via multipath attribute"
 | 
						|
 | 
						|
	# route replace fails - invalid nexthop 1
 | 
						|
	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3"
 | 
						|
	check_route6  "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Multipath - invalid first nexthop"
 | 
						|
 | 
						|
	# route replace fails - invalid nexthop 2
 | 
						|
	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:113::3"
 | 
						|
	check_route6  "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Multipath - invalid second nexthop"
 | 
						|
 | 
						|
	# multipath non-existent route
 | 
						|
	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
 | 
						|
	run_cmd "$IP -6 ro change 2001:db8:105::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
 | 
						|
	log_test $? 2 "Multipath - replace of non-existent route"
 | 
						|
}
 | 
						|
 | 
						|
ipv6_rt_replace()
 | 
						|
{
 | 
						|
	echo
 | 
						|
	echo "IPv6 route replace tests"
 | 
						|
 | 
						|
	ipv6_rt_replace_single
 | 
						|
	ipv6_rt_replace_mpath
 | 
						|
}
 | 
						|
 | 
						|
ipv6_route_test()
 | 
						|
{
 | 
						|
	route_setup
 | 
						|
 | 
						|
	ipv6_rt_add
 | 
						|
	ipv6_rt_replace
 | 
						|
 | 
						|
	route_cleanup
 | 
						|
}
 | 
						|
 | 
						|
ip_addr_metric_check()
 | 
						|
{
 | 
						|
	ip addr help 2>&1 | grep -q metric
 | 
						|
	if [ $? -ne 0 ]; then
 | 
						|
		echo "iproute2 command does not support metric for addresses. Skipping test"
 | 
						|
		return 1
 | 
						|
	fi
 | 
						|
 | 
						|
	return 0
 | 
						|
}
 | 
						|
 | 
						|
ipv6_addr_metric_test()
 | 
						|
{
 | 
						|
	local rc
 | 
						|
 | 
						|
	echo
 | 
						|
	echo "IPv6 prefix route tests"
 | 
						|
 | 
						|
	ip_addr_metric_check || return 1
 | 
						|
 | 
						|
	setup
 | 
						|
 | 
						|
	set -e
 | 
						|
	$IP li add dummy1 type dummy
 | 
						|
	$IP li add dummy2 type dummy
 | 
						|
	$IP li set dummy1 up
 | 
						|
	$IP li set dummy2 up
 | 
						|
 | 
						|
	# default entry is metric 256
 | 
						|
	run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64"
 | 
						|
	run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64"
 | 
						|
	set +e
 | 
						|
 | 
						|
	check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 256 2001:db8:104::/64 dev dummy2 proto kernel metric 256"
 | 
						|
	log_test $? 0 "Default metric"
 | 
						|
 | 
						|
	set -e
 | 
						|
	run_cmd "$IP -6 addr flush dev dummy1"
 | 
						|
	run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64 metric 257"
 | 
						|
	set +e
 | 
						|
 | 
						|
	check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 256 2001:db8:104::/64 dev dummy1 proto kernel metric 257"
 | 
						|
	log_test $? 0 "User specified metric on first device"
 | 
						|
 | 
						|
	set -e
 | 
						|
	run_cmd "$IP -6 addr flush dev dummy2"
 | 
						|
	run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64 metric 258"
 | 
						|
	set +e
 | 
						|
 | 
						|
	check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 257 2001:db8:104::/64 dev dummy2 proto kernel metric 258"
 | 
						|
	log_test $? 0 "User specified metric on second device"
 | 
						|
 | 
						|
	run_cmd "$IP -6 addr del dev dummy1 2001:db8:104::1/64 metric 257"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 258"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Delete of address on first device"
 | 
						|
 | 
						|
	run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::2/64 metric 259"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Modify metric of address"
 | 
						|
 | 
						|
	# verify prefix route removed on down
 | 
						|
	run_cmd "ip netns exec testns sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1"
 | 
						|
	run_cmd "$IP li set dev dummy2 down"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		out=$($IP -6 ro ls match 2001:db8:104::/64)
 | 
						|
		check_expected "${out}" ""
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Prefix route removed on link down"
 | 
						|
 | 
						|
	# verify prefix route re-inserted with assigned metric
 | 
						|
	run_cmd "$IP li set dev dummy2 up"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Prefix route with metric on link up"
 | 
						|
 | 
						|
	$IP li del dummy1
 | 
						|
	$IP li del dummy2
 | 
						|
	cleanup
 | 
						|
}
 | 
						|
 | 
						|
# add route for a prefix, flushing any existing routes first
 | 
						|
# expected to be the first step of a test
 | 
						|
add_route()
 | 
						|
{
 | 
						|
	local pfx="$1"
 | 
						|
	local nh="$2"
 | 
						|
	local out
 | 
						|
 | 
						|
	if [ "$VERBOSE" = "1" ]; then
 | 
						|
		echo
 | 
						|
		echo "    ##################################################"
 | 
						|
		echo
 | 
						|
	fi
 | 
						|
 | 
						|
	run_cmd "$IP ro flush ${pfx}"
 | 
						|
	[ $? -ne 0 ] && exit 1
 | 
						|
 | 
						|
	out=$($IP ro ls match ${pfx})
 | 
						|
	if [ -n "$out" ]; then
 | 
						|
		echo "Failed to flush routes for prefix used for tests."
 | 
						|
		exit 1
 | 
						|
	fi
 | 
						|
 | 
						|
	run_cmd "$IP ro add ${pfx} ${nh}"
 | 
						|
	if [ $? -ne 0 ]; then
 | 
						|
		echo "Failed to add initial route for test."
 | 
						|
		exit 1
 | 
						|
	fi
 | 
						|
}
 | 
						|
 | 
						|
# add initial route - used in replace route tests
 | 
						|
add_initial_route()
 | 
						|
{
 | 
						|
	add_route "172.16.104.0/24" "$1"
 | 
						|
}
 | 
						|
 | 
						|
check_route()
 | 
						|
{
 | 
						|
	local pfx="172.16.104.0/24"
 | 
						|
	local expected="$1"
 | 
						|
	local out
 | 
						|
 | 
						|
	out=$($IP ro ls match ${pfx})
 | 
						|
	check_expected "${out}" "${expected}"
 | 
						|
}
 | 
						|
 | 
						|
# assumption is that basic add of a single path route works
 | 
						|
# otherwise just adding an address on an interface is broken
 | 
						|
ipv4_rt_add()
 | 
						|
{
 | 
						|
	local rc
 | 
						|
 | 
						|
	echo
 | 
						|
	echo "IPv4 route add / append tests"
 | 
						|
 | 
						|
	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
 | 
						|
	add_route "172.16.104.0/24" "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2"
 | 
						|
	log_test $? 2 "Attempt to add duplicate route - gw"
 | 
						|
 | 
						|
	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
 | 
						|
	add_route "172.16.104.0/24" "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro add 172.16.104.0/24 dev veth3"
 | 
						|
	log_test $? 2 "Attempt to add duplicate route - dev only"
 | 
						|
 | 
						|
	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
 | 
						|
	add_route "172.16.104.0/24" "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro add unreachable 172.16.104.0/24"
 | 
						|
	log_test $? 2 "Attempt to add duplicate route - reject route"
 | 
						|
 | 
						|
	# iproute2 prepend only sets NLM_F_CREATE
 | 
						|
	# - adds a new route; does NOT convert existing route to ECMP
 | 
						|
	add_route "172.16.104.0/24" "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro prepend 172.16.104.0/24 via 172.16.103.2"
 | 
						|
	check_route "172.16.104.0/24 via 172.16.103.2 dev veth3 172.16.104.0/24 via 172.16.101.2 dev veth1"
 | 
						|
	log_test $? 0 "Add new nexthop for existing prefix"
 | 
						|
 | 
						|
	# route append with same prefix adds a new route
 | 
						|
	# - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
 | 
						|
	add_route "172.16.104.0/24" "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2"
 | 
						|
	check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.2 dev veth3"
 | 
						|
	log_test $? 0 "Append nexthop to existing route - gw"
 | 
						|
 | 
						|
	add_route "172.16.104.0/24" "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro append 172.16.104.0/24 dev veth3"
 | 
						|
	check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 dev veth3 scope link"
 | 
						|
	log_test $? 0 "Append nexthop to existing route - dev only"
 | 
						|
 | 
						|
	add_route "172.16.104.0/24" "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro append unreachable 172.16.104.0/24"
 | 
						|
	check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 unreachable 172.16.104.0/24"
 | 
						|
	log_test $? 0 "Append nexthop to existing route - reject route"
 | 
						|
 | 
						|
	run_cmd "$IP ro flush 172.16.104.0/24"
 | 
						|
	run_cmd "$IP ro add unreachable 172.16.104.0/24"
 | 
						|
	run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2"
 | 
						|
	check_route "unreachable 172.16.104.0/24 172.16.104.0/24 via 172.16.103.2 dev veth3"
 | 
						|
	log_test $? 0 "Append nexthop to existing reject route - gw"
 | 
						|
 | 
						|
	run_cmd "$IP ro flush 172.16.104.0/24"
 | 
						|
	run_cmd "$IP ro add unreachable 172.16.104.0/24"
 | 
						|
	run_cmd "$IP ro append 172.16.104.0/24 dev veth3"
 | 
						|
	check_route "unreachable 172.16.104.0/24 172.16.104.0/24 dev veth3 scope link"
 | 
						|
	log_test $? 0 "Append nexthop to existing reject route - dev only"
 | 
						|
 | 
						|
	# insert mpath directly
 | 
						|
	add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	check_route  "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "add multipath route"
 | 
						|
 | 
						|
	add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	log_test $? 2 "Attempt to add duplicate multipath route"
 | 
						|
 | 
						|
	# insert of a second route without append but different metric
 | 
						|
	add_route "172.16.104.0/24" "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2 metric 512"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.3 metric 256"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Route add with different metrics"
 | 
						|
 | 
						|
	run_cmd "$IP ro del 172.16.104.0/24 metric 512"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.3 dev veth3 metric 256"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Route delete with metric"
 | 
						|
}
 | 
						|
 | 
						|
ipv4_rt_replace_single()
 | 
						|
{
 | 
						|
	# single path with single path
 | 
						|
	#
 | 
						|
	add_initial_route "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.103.2"
 | 
						|
	check_route "172.16.104.0/24 via 172.16.103.2 dev veth3"
 | 
						|
	log_test $? 0 "Single path with single path"
 | 
						|
 | 
						|
	# single path with multipath
 | 
						|
	#
 | 
						|
	add_initial_route "nexthop via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.2"
 | 
						|
	check_route "172.16.104.0/24 nexthop via 172.16.101.3 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Single path with multipath"
 | 
						|
 | 
						|
	# single path with reject
 | 
						|
	#
 | 
						|
	add_initial_route "nexthop via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro replace unreachable 172.16.104.0/24"
 | 
						|
	check_route "unreachable 172.16.104.0/24"
 | 
						|
	log_test $? 0 "Single path with reject route"
 | 
						|
 | 
						|
	# single path with single path using MULTIPATH attribute
 | 
						|
	#
 | 
						|
	add_initial_route "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.103.2"
 | 
						|
	check_route "172.16.104.0/24 via 172.16.103.2 dev veth3"
 | 
						|
	log_test $? 0 "Single path with single path via multipath attribute"
 | 
						|
 | 
						|
	# route replace fails - invalid nexthop
 | 
						|
	add_initial_route "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 via 2001:db8:104::2"
 | 
						|
	if [ $? -eq 0 ]; then
 | 
						|
		# previous command is expected to fail so if it returns 0
 | 
						|
		# that means the test failed.
 | 
						|
		log_test 0 1 "Invalid nexthop"
 | 
						|
	else
 | 
						|
		check_route "172.16.104.0/24 via 172.16.101.2 dev veth1"
 | 
						|
		log_test $? 0 "Invalid nexthop"
 | 
						|
	fi
 | 
						|
 | 
						|
	# replace non-existent route
 | 
						|
	# - note use of change versus replace since ip adds NLM_F_CREATE
 | 
						|
	#   for replace
 | 
						|
	add_initial_route "via 172.16.101.2"
 | 
						|
	run_cmd "$IP ro change 172.16.105.0/24 via 172.16.101.2"
 | 
						|
	log_test $? 2 "Single path - replace of non-existent route"
 | 
						|
}
 | 
						|
 | 
						|
ipv4_rt_replace_mpath()
 | 
						|
{
 | 
						|
	# multipath with multipath
 | 
						|
	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3"
 | 
						|
	check_route  "172.16.104.0/24 nexthop via 172.16.101.3 dev veth1 weight 1 nexthop via 172.16.103.3 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Multipath with multipath"
 | 
						|
 | 
						|
	# multipath with single
 | 
						|
	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.101.3"
 | 
						|
	check_route  "172.16.104.0/24 via 172.16.101.3 dev veth1"
 | 
						|
	log_test $? 0 "Multipath with single path"
 | 
						|
 | 
						|
	# multipath with single
 | 
						|
	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3"
 | 
						|
	check_route "172.16.104.0/24 via 172.16.101.3 dev veth1"
 | 
						|
	log_test $? 0 "Multipath with single path via multipath attribute"
 | 
						|
 | 
						|
	# multipath with reject
 | 
						|
	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	run_cmd "$IP ro replace unreachable 172.16.104.0/24"
 | 
						|
	check_route "unreachable 172.16.104.0/24"
 | 
						|
	log_test $? 0 "Multipath with reject route"
 | 
						|
 | 
						|
	# route replace fails - invalid nexthop 1
 | 
						|
	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.111.3 nexthop via 172.16.103.3"
 | 
						|
	check_route  "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Multipath - invalid first nexthop"
 | 
						|
 | 
						|
	# route replace fails - invalid nexthop 2
 | 
						|
	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.113.3"
 | 
						|
	check_route  "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
 | 
						|
	log_test $? 0 "Multipath - invalid second nexthop"
 | 
						|
 | 
						|
	# multipath non-existent route
 | 
						|
	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
 | 
						|
	run_cmd "$IP ro change 172.16.105.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3"
 | 
						|
	log_test $? 2 "Multipath - replace of non-existent route"
 | 
						|
}
 | 
						|
 | 
						|
ipv4_rt_replace()
 | 
						|
{
 | 
						|
	echo
 | 
						|
	echo "IPv4 route replace tests"
 | 
						|
 | 
						|
	ipv4_rt_replace_single
 | 
						|
	ipv4_rt_replace_mpath
 | 
						|
}
 | 
						|
 | 
						|
ipv4_route_test()
 | 
						|
{
 | 
						|
	route_setup
 | 
						|
 | 
						|
	ipv4_rt_add
 | 
						|
	ipv4_rt_replace
 | 
						|
 | 
						|
	route_cleanup
 | 
						|
}
 | 
						|
 | 
						|
ipv4_addr_metric_test()
 | 
						|
{
 | 
						|
	local rc
 | 
						|
 | 
						|
	echo
 | 
						|
	echo "IPv4 prefix route tests"
 | 
						|
 | 
						|
	ip_addr_metric_check || return 1
 | 
						|
 | 
						|
	setup
 | 
						|
 | 
						|
	set -e
 | 
						|
	$IP li add dummy1 type dummy
 | 
						|
	$IP li add dummy2 type dummy
 | 
						|
	$IP li set dummy1 up
 | 
						|
	$IP li set dummy2 up
 | 
						|
 | 
						|
	# default entry is metric 256
 | 
						|
	run_cmd "$IP addr add dev dummy1 172.16.104.1/24"
 | 
						|
	run_cmd "$IP addr add dev dummy2 172.16.104.2/24"
 | 
						|
	set +e
 | 
						|
 | 
						|
	check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2"
 | 
						|
	log_test $? 0 "Default metric"
 | 
						|
 | 
						|
	set -e
 | 
						|
	run_cmd "$IP addr flush dev dummy1"
 | 
						|
	run_cmd "$IP addr add dev dummy1 172.16.104.1/24 metric 257"
 | 
						|
	set +e
 | 
						|
 | 
						|
	check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257"
 | 
						|
	log_test $? 0 "User specified metric on first device"
 | 
						|
 | 
						|
	set -e
 | 
						|
	run_cmd "$IP addr flush dev dummy2"
 | 
						|
	run_cmd "$IP addr add dev dummy2 172.16.104.2/24 metric 258"
 | 
						|
	set +e
 | 
						|
 | 
						|
	check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
 | 
						|
	log_test $? 0 "User specified metric on second device"
 | 
						|
 | 
						|
	run_cmd "$IP addr del dev dummy1 172.16.104.1/24 metric 257"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Delete of address on first device"
 | 
						|
 | 
						|
	run_cmd "$IP addr change dev dummy2 172.16.104.2/24 metric 259"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Modify metric of address"
 | 
						|
 | 
						|
	# verify prefix route removed on down
 | 
						|
	run_cmd "$IP li set dev dummy2 down"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		out=$($IP ro ls match 172.16.104.0/24)
 | 
						|
		check_expected "${out}" ""
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Prefix route removed on link down"
 | 
						|
 | 
						|
	# verify prefix route re-inserted with assigned metric
 | 
						|
	run_cmd "$IP li set dev dummy2 up"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Prefix route with metric on link up"
 | 
						|
 | 
						|
	# explicitly check for metric changes on edge scenarios
 | 
						|
	run_cmd "$IP addr flush dev dummy2"
 | 
						|
	run_cmd "$IP addr add dev dummy2 172.16.104.0/24 metric 259"
 | 
						|
	run_cmd "$IP addr change dev dummy2 172.16.104.0/24 metric 260"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.0 metric 260"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Modify metric of .0/24 address"
 | 
						|
 | 
						|
	run_cmd "$IP addr flush dev dummy2"
 | 
						|
	run_cmd "$IP addr add dev dummy2 172.16.104.1/32 peer 172.16.104.2 metric 260"
 | 
						|
	run_cmd "$IP addr change dev dummy2 172.16.104.1/32 peer 172.16.104.2 metric 261"
 | 
						|
	rc=$?
 | 
						|
	if [ $rc -eq 0 ]; then
 | 
						|
		check_route "172.16.104.2 dev dummy2 proto kernel scope link src 172.16.104.1 metric 261"
 | 
						|
		rc=$?
 | 
						|
	fi
 | 
						|
	log_test $rc 0 "Modify metric of address with peer route"
 | 
						|
 | 
						|
	$IP li del dummy1
 | 
						|
	$IP li del dummy2
 | 
						|
	cleanup
 | 
						|
}
 | 
						|
 | 
						|
################################################################################
 | 
						|
# usage
 | 
						|
 | 
						|
usage()
 | 
						|
{
 | 
						|
	cat <<EOF
 | 
						|
usage: ${0##*/} OPTS
 | 
						|
 | 
						|
        -t <test>   Test(s) to run (default: all)
 | 
						|
                    (options: $TESTS)
 | 
						|
        -p          Pause on fail
 | 
						|
        -P          Pause after each test before cleanup
 | 
						|
        -v          verbose mode (show commands and output)
 | 
						|
EOF
 | 
						|
}
 | 
						|
 | 
						|
################################################################################
 | 
						|
# main
 | 
						|
 | 
						|
while getopts :t:pPhv o
 | 
						|
do
 | 
						|
	case $o in
 | 
						|
		t) TESTS=$OPTARG;;
 | 
						|
		p) PAUSE_ON_FAIL=yes;;
 | 
						|
		P) PAUSE=yes;;
 | 
						|
		v) VERBOSE=$(($VERBOSE + 1));;
 | 
						|
		h) usage; exit 0;;
 | 
						|
		*) usage; exit 1;;
 | 
						|
	esac
 | 
						|
done
 | 
						|
 | 
						|
PEER_CMD="ip netns exec ${PEER_NS}"
 | 
						|
 | 
						|
# make sure we don't pause twice
 | 
						|
[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
 | 
						|
 | 
						|
if [ "$(id -u)" -ne 0 ];then
 | 
						|
	echo "SKIP: Need root privileges"
 | 
						|
	exit $ksft_skip;
 | 
						|
fi
 | 
						|
 | 
						|
if [ ! -x "$(command -v ip)" ]; then
 | 
						|
	echo "SKIP: Could not run test without ip tool"
 | 
						|
	exit $ksft_skip
 | 
						|
fi
 | 
						|
 | 
						|
ip route help 2>&1 | grep -q fibmatch
 | 
						|
if [ $? -ne 0 ]; then
 | 
						|
	echo "SKIP: iproute2 too old, missing fibmatch"
 | 
						|
	exit $ksft_skip
 | 
						|
fi
 | 
						|
 | 
						|
# start clean
 | 
						|
cleanup &> /dev/null
 | 
						|
 | 
						|
for t in $TESTS
 | 
						|
do
 | 
						|
	case $t in
 | 
						|
	fib_unreg_test|unregister)	fib_unreg_test;;
 | 
						|
	fib_down_test|down)		fib_down_test;;
 | 
						|
	fib_carrier_test|carrier)	fib_carrier_test;;
 | 
						|
	fib_nexthop_test|nexthop)	fib_nexthop_test;;
 | 
						|
	ipv6_route_test|ipv6_rt)	ipv6_route_test;;
 | 
						|
	ipv4_route_test|ipv4_rt)	ipv4_route_test;;
 | 
						|
	ipv6_addr_metric)		ipv6_addr_metric_test;;
 | 
						|
	ipv4_addr_metric)		ipv4_addr_metric_test;;
 | 
						|
 | 
						|
	help) echo "Test names: $TESTS"; exit 0;;
 | 
						|
	esac
 | 
						|
done
 | 
						|
 | 
						|
if [ "$TESTS" != "none" ]; then
 | 
						|
	printf "\nTests passed: %3d\n" ${nsuccess}
 | 
						|
	printf "Tests failed: %3d\n"   ${nfail}
 | 
						|
fi
 | 
						|
 | 
						|
exit $ret
 |