@@ -9,12 +9,13 @@ ret=0
ksft_skip=4
# all tests in this script. Can be overridden with -t option
-TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw"
+TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw rp_filter"
VERBOSE=0
PAUSE_ON_FAIL=no
PAUSE=no
IP="ip -netns ns1"
+NETNS="ip netns exec ns1"
log_test()
{
@@ -433,6 +434,32 @@ fib_carrier_test()
fib_carrier_unicast_test
}
+fib_rp_filter_test()
+{
+ echo
+ echo "IPv4 rp_filter tests"
+
+ setup
+
+ $IP link set dev lo address 52:54:00:6a:c7:5e
+ $IP link set dev dummy0 address 52:54:00:6a:c7:5e
+ echo 1 | $NETNS tee /proc/sys/net/ipv4/conf/all/rp_filter > /dev/null
+ echo 1 | $NETNS tee /proc/sys/net/ipv4/conf/all/accept_local > /dev/null
+ echo 1 | $NETNS tee /proc/sys/net/ipv4/conf/all/route_localnet > /dev/null
+
+ $NETNS tc qd add dev dummy0 parent root handle 1: fq_codel
+ $NETNS tc filter add dev dummy0 parent 1: protocol arp basic action mirred egress redirect dev lo
+ $NETNS tc filter add dev dummy0 parent 1: protocol ip basic action mirred egress redirect dev lo
+
+ run_cmd "ip netns exec ns1 ping -I dummy0 -w1 -c1 198.51.100.1"
+ log_test $? 0 "rp_filter passes local packets"
+
+ run_cmd "ip netns exec ns1 ping -I dummy0 -w1 -c1 127.0.0.1"
+ log_test $? 0 "rp_filter passes loopback packets"
+
+ cleanup
+}
+
################################################################################
# Tests on nexthop spec
@@ -1557,6 +1584,7 @@ do
fib_unreg_test|unregister) fib_unreg_test;;
fib_down_test|down) fib_down_test;;
fib_carrier_test|carrier) fib_carrier_test;;
+ fib_rp_filter_test|rp_filter) fib_rp_filter_test;;
fib_nexthop_test|nexthop) fib_nexthop_test;;
ipv6_route_test|ipv6_rt) ipv6_route_test;;
ipv4_route_test|ipv4_rt) ipv4_route_test;;
Add a test case to simulate the loopback packet case fixed in the previous patch. This test gets passed after the fix: IPv4 rp_filter tests TEST: rp_filter passes local packets [ OK ] TEST: rp_filter passes loopback packets [ OK ] Cc: David Ahern <dsahern@gmail.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> --- tools/testing/selftests/net/fib_tests.sh | 30 +++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-)