selftests: Add ipv6 ping tests to fcnal-test

Add IPv6 ping tests to fcnal-test.sh. Covers the permutations of directly
connected addresses, routed destinations, VRF and non-VRF, and expected
failures.

Setup includes unreachable routes and fib rules blocking traffic.

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 11:56:37 -07:00 committed by David S. Miller
parent c032dd8cc7
commit c0644e71df

View File

@ -711,6 +711,287 @@ ipv4_ping()
ipv4_ping_vrf
}
################################################################################
# IPv6
ipv6_ping_novrf()
{
local a
# should not have an impact, but make a known state
set_sysctl net.ipv4.raw_l3mdev_accept=0 2>/dev/null
#
# out
#
for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
do
log_start
run_cmd ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 0 "ping out"
done
for a in ${NSB_IP6} ${NSB_LO_IP6}
do
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 0 "ping out, device bind"
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_LO_IP6} ${a}
log_test_addr ${a} $? 0 "ping out, loopback address bind"
done
#
# in
#
for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV} ${MCAST}%${NSB_DEV}
do
log_start
run_cmd_nsb ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 0 "ping in"
done
#
# local traffic, local address
#
for a in ${NSA_IP6} ${NSA_LO_IP6} ::1 ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
do
log_start
run_cmd ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 0 "ping local, no bind"
done
for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
do
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 0 "ping local, device bind"
done
for a in ${NSA_LO_IP6} ::1
do
log_start
show_hint "Fails since address on loopback is out of device scope"
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 2 "ping local, device bind"
done
#
# ip rule blocks address
#
log_start
setup_cmd ip -6 rule add pref 32765 from all lookup local
setup_cmd ip -6 rule del pref 0 from all lookup local
setup_cmd ip -6 rule add pref 50 to ${NSB_LO_IP6} prohibit
setup_cmd ip -6 rule add pref 51 from ${NSB_IP6} prohibit
a=${NSB_LO_IP6}
run_cmd ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 2 "ping out, blocked by rule"
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 2 "ping out, device bind, blocked by rule"
a=${NSA_LO_IP6}
log_start
show_hint "Response lost due to ip rule"
run_cmd_nsb ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 1 "ping in, blocked by rule"
setup_cmd ip -6 rule add pref 0 from all lookup local
setup_cmd ip -6 rule del pref 32765 from all lookup local
setup_cmd ip -6 rule del pref 50 to ${NSB_LO_IP6} prohibit
setup_cmd ip -6 rule del pref 51 from ${NSB_IP6} prohibit
#
# route blocks reachability to remote address
#
log_start
setup_cmd ip -6 route del ${NSB_LO_IP6}
setup_cmd ip -6 route add unreachable ${NSB_LO_IP6} metric 10
setup_cmd ip -6 route add unreachable ${NSB_IP6} metric 10
a=${NSB_LO_IP6}
run_cmd ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 2 "ping out, blocked by route"
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 2 "ping out, device bind, blocked by route"
a=${NSA_LO_IP6}
log_start
show_hint "Response lost due to ip route"
run_cmd_nsb ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 1 "ping in, blocked by route"
#
# remove 'remote' routes; fallback to default
#
log_start
setup_cmd ip -6 ro del unreachable ${NSB_LO_IP6}
setup_cmd ip -6 ro del unreachable ${NSB_IP6}
a=${NSB_LO_IP6}
run_cmd ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 2 "ping out, unreachable route"
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 2 "ping out, device bind, unreachable route"
}
ipv6_ping_vrf()
{
local a
# should default on; does not exist on older kernels
set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null
#
# out
#
for a in ${NSB_IP6} ${NSB_LO_IP6}
do
log_start
run_cmd ${ping6} -c1 -w1 -I ${VRF} ${a}
log_test_addr ${a} $? 0 "ping out, VRF bind"
done
for a in ${NSB_LINKIP6}%${VRF} ${MCAST}%${VRF}
do
log_start
show_hint "Fails since VRF device does not support linklocal or multicast"
run_cmd ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 2 "ping out, VRF bind"
done
for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
do
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 0 "ping out, device bind"
done
for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV}
do
log_start
run_cmd ip vrf exec ${VRF} ${ping6} -c1 -w1 -I ${VRF_IP6} ${a}
log_test_addr ${a} $? 0 "ping out, vrf device+address bind"
done
#
# in
#
for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV} ${MCAST}%${NSB_DEV}
do
log_start
run_cmd_nsb ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 0 "ping in"
done
a=${NSA_LO_IP6}
log_start
show_hint "Fails since loopback address is out of VRF scope"
run_cmd_nsb ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 1 "ping in"
#
# local traffic, local address
#
for a in ${NSA_IP6} ${VRF_IP6} ::1
do
log_start
show_hint "Source address should be ${a}"
run_cmd ${ping6} -c1 -w1 -I ${VRF} ${a}
log_test_addr ${a} $? 0 "ping local, VRF bind"
done
for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV}
do
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 0 "ping local, device bind"
done
# LLA to GUA - remove ipv6 global addresses from ns-B
setup_cmd_nsb ip -6 addr del ${NSB_IP6}/64 dev ${NSB_DEV}
setup_cmd_nsb ip -6 addr del ${NSB_LO_IP6}/128 dev lo
setup_cmd_nsb ip -6 ro add ${NSA_IP6}/128 via ${NSA_LINKIP6} dev ${NSB_DEV}
for a in ${NSA_IP6} ${VRF_IP6}
do
log_start
run_cmd_nsb ${ping6} -c1 -w1 ${NSA_IP6}
log_test_addr ${a} $? 0 "ping in, LLA to GUA"
done
setup_cmd_nsb ip -6 ro del ${NSA_IP6}/128 via ${NSA_LINKIP6} dev ${NSB_DEV}
setup_cmd_nsb ip -6 addr add ${NSB_IP6}/64 dev ${NSB_DEV}
setup_cmd_nsb ip -6 addr add ${NSB_LO_IP6}/128 dev lo
#
# ip rule blocks address
#
log_start
setup_cmd ip -6 rule add pref 50 to ${NSB_LO_IP6} prohibit
setup_cmd ip -6 rule add pref 51 from ${NSB_IP6} prohibit
a=${NSB_LO_IP6}
run_cmd ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 2 "ping out, blocked by rule"
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 2 "ping out, device bind, blocked by rule"
a=${NSA_LO_IP6}
log_start
show_hint "Response lost due to ip rule"
run_cmd_nsb ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 1 "ping in, blocked by rule"
log_start
setup_cmd ip -6 rule del pref 50 to ${NSB_LO_IP6} prohibit
setup_cmd ip -6 rule del pref 51 from ${NSB_IP6} prohibit
#
# remove 'remote' routes; fallback to default
#
log_start
setup_cmd ip -6 ro del ${NSB_LO_IP6} vrf ${VRF}
a=${NSB_LO_IP6}
run_cmd ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 2 "ping out, unreachable route"
log_start
run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a}
log_test_addr ${a} $? 2 "ping out, device bind, unreachable route"
ip -netns ${NSB} -6 ro del ${NSA_LO_IP6}
a=${NSA_LO_IP6}
log_start
run_cmd_nsb ${ping6} -c1 -w1 ${a}
log_test_addr ${a} $? 2 "ping in, unreachable route"
}
ipv6_ping()
{
log_section "IPv6 ping"
log_subsection "No VRF"
setup
ipv6_ping_novrf
log_subsection "With VRF"
setup "yes"
ipv6_ping_vrf
}
################################################################################
# usage
@ -732,7 +1013,7 @@ EOF
# main
TESTS_IPV4="ipv4_ping"
TESTS_IPV6=""
TESTS_IPV6="ipv6_ping"
PAUSE_ON_FAIL=no
PAUSE=no
@ -771,6 +1052,7 @@ for t in $TESTS
do
case $t in
ipv4_ping|ping) ipv4_ping;;
ipv6_ping|ping6) ipv6_ping;;
# setup namespaces and config, but do not run any tests
setup) setup; exit 0;;