selftests: forwarding: mirror_gre_lib: Add STP test

Add a reusable full test that toggles STP state of a given bridge port
and checks that the mirroring reacts appropriately. The test will be
used by bridge tests in follow-up patches.

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

1 files changed, 32 insertions, 0 deletions

diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_lib.sh b/tools/testing/selftests/net/forwarding/mirror_gre_lib.sh
index 92ef6dde98bd..619b469365be 100644
--- a/tools/testing/selftests/net/forwarding/mirror_gre_lib.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_lib.sh
@@ -96,3 +96,35 @@ full_test_span_gre_dir_vlan()
 {
         full_test_span_gre_dir_vlan_ips "$@" 192.0.2.1 192.0.2.2
 }
+
+full_test_span_gre_stp_ips()
+{
+        local tundev=$1; shift
+        local nbpdev=$1; shift
+        local what=$1; shift
+        local ip1=$1; shift
+        local ip2=$1; shift
+        local h3mac=$(mac_get $h3)
+
+        RET=0
+
+        mirror_install $swp1 ingress $tundev "matchall $tcflags"
+        quick_test_span_gre_dir_ips $tundev ingress $ip1 $ip2
+
+        bridge link set dev $nbpdev state disabled
+        sleep 1
+        fail_test_span_gre_dir_ips $tundev ingress $ip1 $ip2
+
+        bridge link set dev $nbpdev state forwarding
+        sleep 1
+        quick_test_span_gre_dir_ips $tundev ingress $ip1 $ip2
+
+        mirror_uninstall $swp1 ingress
+
+        log_test "$what: STP state ($tcflags)"
+}
+
+full_test_span_gre_stp()
+{
+        full_test_span_gre_stp_ips "$@" 192.0.2.1 192.0.2.2
+}