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: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2019-08-01 11:56:38 -07:00 committed by David S. Miller
parent c0644e71df
commit bbd7c76408
1 changed files with 314 additions and 1 deletions

View File

@ -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