selftests: forwarding: mirror_gre_bridge_1q_lag: Ignore ARP

This test sets up mirroring such that it mirrors all overlay traffic.
That includes ARP, which causes occasional miscounts and spurious
failures. Ignore ARP explicitly to avoid these problems.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh
index 1900c31e938c0ce0b44ebfa5f669045d99d38048..28d568c48a7388bf468a6344206a0b8ddc0c14eb 100755 (executable)
--- a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh
@@ -224,8 +224,11 @@ test_lag_slave()
 
        RET=0
 
+       tc filter add dev $swp1 ingress pref 999 \
+               proto 802.1q flower vlan_ethtype arp $tcflags \
+               action pass
        mirror_install $swp1 ingress gt4 \
-                      "proto 802.1q flower vlan_id 333 $tcflags"
+               "proto 802.1q flower vlan_id 333 $tcflags"
 
        # Test connectivity through $up_dev when $down_dev is set down.
        ip link set dev $down_dev down
@@ -245,6 +248,7 @@ test_lag_slave()
        ip link set dev $up_dev up
        ip link set dev $down_dev up
        mirror_uninstall $swp1 ingress
+       tc filter del dev $swp1 ingress pref 999
 
        log_test "$what ($tcflags)"
 }