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Commit bbd7c764 authored by David Ahern's avatar David Ahern Committed by David S. Miller
Browse files

selftests: Add ipv4 tcp tests to fcnal-test 



Add tcp 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.tcp_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 c0644e71

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

+314 −1
Original line number Diff line number Diff line
@@ -711,6 +711,317 @@ ipv4_ping() 
	ipv4_ping_vrf

}



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

# IPv4 TCP



ipv4_tcp_novrf()

{

	local a



	#

	# server tests

	#

	for a in ${NSA_IP} ${NSA_LO_IP}

	do

		log_start

		run_cmd nettest -s &

		sleep 1

		run_cmd_nsb nettest -r ${a}

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

	done



	a=${NSA_IP}

	log_start

	run_cmd nettest -s -d ${NSA_DEV} &

	sleep 1

	run_cmd_nsb nettest -r ${a}

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



	# verify TCP reset sent and received

	for a in ${NSA_IP} ${NSA_LO_IP}

	do

		log_start

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

		run_cmd_nsb nettest -r ${a}

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

	done



	#

	# client

	#

	for a in ${NSB_IP} ${NSB_LO_IP}

	do

		log_start

		run_cmd_nsb nettest -s &

		sleep 1

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

		log_test_addr ${a} $? 0 "Client"



		log_start

		run_cmd_nsb nettest -s &

		sleep 1

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

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



		log_start

		show_hint "Should fail 'Connection refused'"

		run_cmd nettest -r ${a}

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



		log_start

		show_hint "Should fail 'Connection refused'"

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

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

	done



	#

	# local address tests

	#

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

	do

		log_start

		run_cmd nettest -s &

		sleep 1

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

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

	done



	a=${NSA_IP}

	log_start

	run_cmd nettest -s -d ${NSA_DEV} &

	sleep 1

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

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



	for a in ${NSA_LO_IP} 127.0.0.1

	do

		log_start

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

		run_cmd nettest -s -d ${NSA_DEV} &

		sleep 1

		run_cmd nettest -r ${a}

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

	done



	a=${NSA_IP}

	log_start

	run_cmd nettest -s &

	sleep 1

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

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



	for a in ${NSA_LO_IP} 127.0.0.1

	do

		log_start

		show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope"

		run_cmd nettest -s &

		sleep 1

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

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

	done



	a=${NSA_IP}

	log_start

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

	sleep 1

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

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



	log_start

	show_hint "Should fail 'Connection refused'"

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

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

}



ipv4_tcp_vrf()

{

	local a



	# disable global server

	log_subsection "Global server disabled"



	set_sysctl net.ipv4.tcp_l3mdev_accept=0



	#

	# server tests

	#

	for a in ${NSA_IP} ${VRF_IP}

	do

		log_start

		show_hint "Should fail 'Connection refused' since global server with VRF is disabled"

		run_cmd nettest -s &

		sleep 1

		run_cmd_nsb nettest -r ${a}

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



		log_start

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

		sleep 1

		run_cmd_nsb nettest -r ${a}

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



		log_start

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

		sleep 1

		run_cmd_nsb nettest -r ${a}

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



		# verify TCP reset received

		log_start

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

		run_cmd_nsb nettest -r ${a}

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

	done



	# local address tests

	# (${VRF_IP} and 127.0.0.1 both timeout)

	a=${NSA_IP}

	log_start

	show_hint "Should fail 'Connection refused' since global server with VRF is disabled"

	run_cmd nettest -s &

	sleep 1

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

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



	#

	# enable VRF global server

	#

	log_subsection "VRF Global server enabled"

	set_sysctl net.ipv4.tcp_l3mdev_accept=1



	for a in ${NSA_IP} ${VRF_IP}

	do

		log_start

		show_hint "client socket should be bound to VRF"

		run_cmd nettest -s -2 ${VRF} &

		sleep 1

		run_cmd_nsb nettest -r ${a}

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



		log_start

		show_hint "client socket should be bound to VRF"

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

		sleep 1

		run_cmd_nsb nettest -r ${a}

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



		# verify TCP reset received

		log_start

		show_hint "Should fail 'Connection refused'"

		run_cmd_nsb nettest -r ${a}

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

	done



	a=${NSA_IP}

	log_start

	show_hint "client socket should be bound to device"

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

	sleep 1

	run_cmd_nsb nettest -r ${a}

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



	# local address tests

	for a in ${NSA_IP} ${VRF_IP}

	do

		log_start

		show_hint "Should fail 'No route to host' since client is not bound to VRF"

		run_cmd nettest -s -2 ${VRF} &

		sleep 1

		run_cmd nettest -r ${a}

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

	done



	#

	# client

	#

	for a in ${NSB_IP} ${NSB_LO_IP}

	do

		log_start

		run_cmd_nsb nettest -s &

		sleep 1

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

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



		log_start

		run_cmd_nsb nettest -s &

		sleep 1

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

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



		log_start

		show_hint "Should fail 'Connection refused'"

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

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



		log_start

		show_hint "Should fail 'Connection refused'"

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

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

	done



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

	do

		log_start

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

		sleep 1

		run_cmd nettest -r ${a} -d ${VRF} -0 ${a}

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

	done



	a=${NSA_IP}

	log_start

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

	sleep 1

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

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



	log_start

	show_hint "Should fail 'No route to host' since client is out of VRF scope"

	run_cmd nettest -s -d ${VRF} &

	sleep 1

	run_cmd nettest -r ${a}

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



	log_start

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

	sleep 1

	run_cmd nettest -r ${a} -d ${VRF} -0 ${a}

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



	log_start

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

	sleep 1

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

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

}



ipv4_tcp()

{

	log_section "IPv4/TCP"



	which nettest >/dev/null

	if [ $? -ne 0 ]; then

		log_error "nettest not found; skipping tests"

		return

	fi



	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

}



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

# IPv6
@@ -1012,7 +1323,7 @@ EOF 
################################################################################

# main



TESTS_IPV4="ipv4_ping"

TESTS_IPV4="ipv4_ping ipv4_tcp"

TESTS_IPV6="ipv6_ping"

PAUSE_ON_FAIL=no

PAUSE=no
@@ -1052,6 +1363,8 @@ for t in $TESTS 
do

	case $t in

	ipv4_ping|ping)  ipv4_ping;;

	ipv4_tcp|tcp)    ipv4_tcp;;



	ipv6_ping|ping6) ipv6_ping;;



	# setup namespaces and config, but do not run any tests