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Commit a4368be9 authored by David Ahern's avatar David Ahern Committed by David S. Miller
Browse files

selftests: Add ipv4 udp tests to fcnal-test 



Add udp tests to fcnal-test.sh. Covers the permutations of directly
connected addresses, routed destinations, VRF and non-VRF, and expected
failures for both clients and servers. Includes permutations with
net.ipv4.udp_l3mdev_accept set to 0 and 1.

Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a071bbf2

tools/testing/selftests/net/fcnal-test.sh

+380 −1
Original line number Diff line number Diff line
@@ -1022,6 +1022,384 @@ ipv4_tcp() 
	ipv4_tcp_vrf

}



################################################################################

# IPv4 UDP



ipv4_udp_novrf()

{

	local a



	#

	# server tests

	#

	for a in ${NSA_IP} ${NSA_LO_IP}

	do

		log_start

		run_cmd nettest -D -s -2 ${NSA_DEV} &

		sleep 1

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 0 "Global server"



		log_start

		show_hint "Should fail 'Connection refused' since there is no server"

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 1 "No server"

	done



	a=${NSA_IP}

	log_start

	run_cmd nettest -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &

	sleep 1

	run_cmd_nsb nettest -D -r ${a}

	log_test_addr ${a} $? 0 "Device server"



	#

	# client

	#

	for a in ${NSB_IP} ${NSB_LO_IP}

	do

		log_start

		run_cmd_nsb nettest -D -s &

		sleep 1

		run_cmd nettest -D -r ${a} -0 ${NSA_IP}

		log_test_addr ${a} $? 0 "Client"



		log_start

		run_cmd_nsb nettest -D -s &

		sleep 1

		run_cmd nettest -D -r ${a} -d ${NSA_DEV} -0 ${NSA_IP}

		log_test_addr ${a} $? 0 "Client, device bind"



		log_start

		run_cmd_nsb nettest -D -s &

		sleep 1

		run_cmd nettest -D -r ${a} -d ${NSA_DEV} -C -0 ${NSA_IP}

		log_test_addr ${a} $? 0 "Client, device send via cmsg"



		log_start

		run_cmd_nsb nettest -D -s &

		sleep 1

		run_cmd nettest -D -r ${a} -d ${NSA_DEV} -S -0 ${NSA_IP}

		log_test_addr ${a} $? 0 "Client, device bind via IP_UNICAST_IF"



		log_start

		show_hint "Should fail 'Connection refused'"

		run_cmd nettest -D -r ${a}

		log_test_addr ${a} $? 1 "No server, unbound client"



		log_start

		show_hint "Should fail 'Connection refused'"

		run_cmd nettest -D -r ${a} -d ${NSA_DEV}

		log_test_addr ${a} $? 1 "No server, device client"

	done



	#

	# local address tests

	#

	for a in ${NSA_IP} ${NSA_LO_IP} 127.0.0.1

	do

		log_start

		run_cmd nettest -D -s &

		sleep 1

		run_cmd nettest -D -r ${a} -0 ${a} -1 ${a}

		log_test_addr ${a} $? 0 "Global server, local connection"

	done



	a=${NSA_IP}

	log_start

	run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -r ${a}

	log_test_addr ${a} $? 0 "Device server, unbound client, local connection"



	for a in ${NSA_LO_IP} 127.0.0.1

	do

		log_start

		show_hint "Should fail 'Connection refused' since address is out of device scope"

		run_cmd nettest -s -D -d ${NSA_DEV} &

		sleep 1

		run_cmd nettest -D -r ${a}

		log_test_addr ${a} $? 1 "Device server, unbound client, local connection"

	done



	a=${NSA_IP}

	log_start

	run_cmd nettest -s -D &

	sleep 1

	run_cmd nettest -D -d ${NSA_DEV} -r ${a}

	log_test_addr ${a} $? 0 "Global server, device client, local connection"



	log_start

	run_cmd nettest -s -D &

	sleep 1

	run_cmd nettest -D -d ${NSA_DEV} -C -r ${a}

	log_test_addr ${a} $? 0 "Global server, device send via cmsg, local connection"



	log_start

	run_cmd nettest -s -D &

	sleep 1

	run_cmd nettest -D -d ${NSA_DEV} -S -r ${a}

	log_test_addr ${a} $? 0 "Global server, device client via IP_UNICAST_IF, local connection"



	# IPv4 with device bind has really weird behavior - it overrides the

	# fib lookup, generates an rtable and tries to send the packet. This

	# causes failures for local traffic at different places

	for a in ${NSA_LO_IP} 127.0.0.1

	do

		log_start

		show_hint "Should fail since addresses on loopback are out of device scope"

		run_cmd nettest -D -s &

		sleep 1

		run_cmd nettest -D -r ${a} -d ${NSA_DEV}

		log_test_addr ${a} $? 2 "Global server, device client, local connection"



		log_start

		show_hint "Should fail since addresses on loopback are out of device scope"

		run_cmd nettest -D -s &

		sleep 1

		run_cmd nettest -D -r ${a} -d ${NSA_DEV} -C

		log_test_addr ${a} $? 1 "Global server, device send via cmsg, local connection"



		log_start

		show_hint "Should fail since addresses on loopback are out of device scope"

		run_cmd nettest -D -s &

		sleep 1

		run_cmd nettest -D -r ${a} -d ${NSA_DEV} -S

		log_test_addr ${a} $? 1 "Global server, device client via IP_UNICAST_IF, local connection"

	done



	a=${NSA_IP}

	log_start

	run_cmd nettest -D -s -d ${NSA_DEV} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${NSA_DEV} -r ${a} -0 ${a}

	log_test_addr ${a} $? 0 "Device server, device client, local conn"



	log_start

	run_cmd nettest -D -d ${NSA_DEV} -r ${a}

	log_test_addr ${a} $? 2 "No server, device client, local conn"

}



ipv4_udp_vrf()

{

	local a



	# disable global server

	log_subsection "Global server disabled"

	set_sysctl net.ipv4.udp_l3mdev_accept=0



	#

	# server tests

	#

	for a in ${NSA_IP} ${VRF_IP}

	do

		log_start

		show_hint "Fails because ingress is in a VRF and global server is disabled"

		run_cmd nettest -D -s &

		sleep 1

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 1 "Global server"



		log_start

		run_cmd nettest -D -d ${VRF} -s -2 ${NSA_DEV} &

		sleep 1

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 0 "VRF server"



		log_start

		run_cmd nettest -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &

		sleep 1

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 0 "Enslaved device server"



		log_start

		show_hint "Should fail 'Connection refused' since there is no server"

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 1 "No server"



		log_start

		show_hint "Should fail 'Connection refused' since global server is out of scope"

		run_cmd nettest -D -s &

		sleep 1

		run_cmd nettest -D -d ${VRF} -r ${a}

		log_test_addr ${a} $? 1 "Global server, VRF client, local connection"

	done



	a=${NSA_IP}

	log_start

	run_cmd nettest -s -D -d ${VRF} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${VRF} -r ${a}

	log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"



	log_start

	run_cmd nettest -s -D -d ${VRF} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${NSA_DEV} -r ${a}

	log_test_addr ${a} $? 0 "VRF server, enslaved device client, local connection"



	a=${NSA_IP}

	log_start

	run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${VRF} -r ${a}

	log_test_addr ${a} $? 0 "Enslaved device server, VRF client, local conn"



	log_start

	run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${NSA_DEV} -r ${a}

	log_test_addr ${a} $? 0 "Enslaved device server, device client, local conn"



	# enable global server

	log_subsection "Global server enabled"

	set_sysctl net.ipv4.udp_l3mdev_accept=1



	#

	# server tests

	#

	for a in ${NSA_IP} ${VRF_IP}

	do

		log_start

		run_cmd nettest -D -s -2 ${NSA_DEV} &

		sleep 1

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 0 "Global server"



		log_start

		run_cmd nettest -D -d ${VRF} -s -2 ${NSA_DEV} &

		sleep 1

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 0 "VRF server"



		log_start

		run_cmd nettest -D -d ${NSA_DEV} -s -2 ${NSA_DEV} &

		sleep 1

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 0 "Enslaved device server"



		log_start

		show_hint "Should fail 'Connection refused'"

		run_cmd_nsb nettest -D -r ${a}

		log_test_addr ${a} $? 1 "No server"

	done



	#

	# client tests

	#

	log_start

	run_cmd_nsb nettest -D -s &

	sleep 1

	run_cmd nettest -d ${VRF} -D -r ${NSB_IP} -1 ${NSA_IP}

	log_test $? 0 "VRF client"



	log_start

	run_cmd_nsb nettest -D -s &

	sleep 1

	run_cmd nettest -d ${NSA_DEV} -D -r ${NSB_IP} -1 ${NSA_IP}

	log_test $? 0 "Enslaved device client"



	# negative test - should fail

	log_start

	show_hint "Should fail 'Connection refused'"

	run_cmd nettest -D -d ${VRF} -r ${NSB_IP}

	log_test $? 1 "No server, VRF client"



	log_start

	show_hint "Should fail 'Connection refused'"

	run_cmd nettest -D -d ${NSA_DEV} -r ${NSB_IP}

	log_test $? 1 "No server, enslaved device client"



	#

	# local address tests

	#

	a=${NSA_IP}

	log_start

	run_cmd nettest -D -s -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${VRF} -r ${a}

	log_test_addr ${a} $? 0 "Global server, VRF client, local conn"



	log_start

	run_cmd nettest -s -D -d ${VRF} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${VRF} -r ${a}

	log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"



	log_start

	run_cmd nettest -s -D -d ${VRF} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${NSA_DEV} -r ${a}

	log_test_addr ${a} $? 0 "VRF server, device client, local conn"



	log_start

	run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${VRF} -r ${a}

	log_test_addr ${a} $? 0 "Enslaved device server, VRF client, local conn"



	log_start

	run_cmd nettest -s -D -d ${NSA_DEV} -2 ${NSA_DEV} &

	sleep 1

	run_cmd nettest -D -d ${NSA_DEV} -r ${a}

	log_test_addr ${a} $? 0 "Enslaved device server, device client, local conn"



	for a in ${VRF_IP} 127.0.0.1

	do

		log_start

		run_cmd nettest -D -s -2 ${VRF} &

		sleep 1

		run_cmd nettest -D -d ${VRF} -r ${a}

		log_test_addr ${a} $? 0 "Global server, VRF client, local conn"

	done



	for a in ${VRF_IP} 127.0.0.1

	do

		log_start

		run_cmd nettest -s -D -d ${VRF} -2 ${VRF} &

		sleep 1

		run_cmd nettest -D -d ${VRF} -r ${a}

		log_test_addr ${a} $? 0 "VRF server, VRF client, local conn"

	done



	# negative test - should fail

	# verifies ECONNREFUSED

	for a in ${NSA_IP} ${VRF_IP} 127.0.0.1

	do

		log_start

		show_hint "Should fail 'Connection refused'"

		run_cmd nettest -D -d ${VRF} -r ${a}

		log_test_addr ${a} $? 1 "No server, VRF client, local conn"

	done

}



ipv4_udp()

{

	which nettest >/dev/null

	if [ $? -ne 0 ]; then

		log_error "nettest not found; skipping tests"

		return

	fi



	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

}



################################################################################

# IPv6
@@ -1690,7 +2068,7 @@ EOF 
################################################################################

# main



TESTS_IPV4="ipv4_ping ipv4_tcp"

TESTS_IPV4="ipv4_ping ipv4_tcp ipv4_udp"

TESTS_IPV6="ipv6_ping ipv6_tcp"

PAUSE_ON_FAIL=no

PAUSE=no
@@ -1731,6 +2109,7 @@ do 
	case $t in

	ipv4_ping|ping)  ipv4_ping;;

	ipv4_tcp|tcp)    ipv4_tcp;;

	ipv4_udp|udp)    ipv4_udp;;



	ipv6_ping|ping6) ipv6_ping;;

	ipv6_tcp|tcp6)   ipv6_tcp;;