From: Petr Machata petrm@mellanox.com
This tests whether TTL of VXLAN envelope packets is properly set based on the device configuration.
Signed-off-by: Petr Machata petrm@mellanox.com Signed-off-by: Ido Schimmel idosch@mellanox.com --- .../net/forwarding/vxlan_bridge_1d.sh | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh index a943d8da14b9..0c17b0d427ba 100755 --- a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh +++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh @@ -68,6 +68,7 @@ export VXPORT ping_ipv4 test_flood test_unicast + test_ttl reapply_config ping_ipv4 test_flood @@ -474,6 +475,38 @@ test_unicast() done }
+vxlan_ping_test() +{ + local ping_dev=$1; shift + local ping_dip=$1; shift + local ping_args=$1; shift + local capture_dev=$1; shift + local capture_dir=$1; shift + local capture_pref=$1; shift + local expect=$1; shift + + local t0=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir) + ping_do $ping_dev $ping_dip "$ping_args" + local t1=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir) + local delta=$((t1 - t0)) + + # Tolerate a couple stray extra packets. + ((expect <= delta && delta <= expect + 2)) + check_err $? "$capture_dev: Expected to capture $expect packets, got $delta." +} + +test_ttl() +{ + RET=0 + + tc filter add dev v1 egress pref 77 prot ip \ + flower ip_ttl 99 action pass + vxlan_ping_test $h1 192.0.2.3 "" v1 egress 77 10 + tc filter del dev v1 egress pref 77 prot ip + + log_test "VXLAN: envelope TTL" +} + test_all() { echo "Running tests with UDP port $VXPORT"