lldp: allow to configure restricted interfaces

[vpp.git] / src / plugins / lldp / lldp_cli.c

diff --git a/src/plugins/lldp/lldp_cli.c b/src/plugins/lldp/lldp_cli.c
index d2cdf12..ef3fccc 100644 (file)
--- a/src/plugins/lldp/lldp_cli.c
+++ b/src/plugins/lldp/lldp_cli.c
@@ -102,15 +102,20 @@ lldp_cfg_intf_set (u32 hw_if_index, u8 ** port_desc, u8 ** mgmt_ip4,
          *mgmt_oid = NULL;
        }
 
-      error =
-       vnet_hw_interface_add_del_mac_address (lm->vnet_main, hw_if_index,
-                                              lldp_mac_addr,
-                                              1 /* is_add */ );
-      if (error)
+      /* Add MAC address to an interface's filter */
+      if (hi->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_MAC_FILTER)
        {
-         clib_error_free (error);
-         lldp_delete_intf (lm, n);
-         return lldp_internal_error;
+         error =
+           vnet_hw_interface_add_del_mac_address (lm->vnet_main,
+                                                  hw_if_index,
+                                                  lldp_mac_addr,
+                                                  1 /* is_add */ );
+         if (error)
+           {
+             clib_error_free (error);
+             lldp_delete_intf (lm, n);
+             return lldp_internal_error;
+           }
        }
 
       const vnet_sw_interface_t *sw =
@@ -124,10 +129,12 @@ lldp_cfg_intf_set (u32 hw_if_index, u8 ** port_desc, u8 ** mgmt_ip4,
     {
       lldp_intf_t *n = lldp_get_intf (lm, hi->sw_if_index);
       lldp_delete_intf (lm, n);
-      if (n)
+      /* Remove MAC address from the interface's filter */
+      if ((n) && (hi->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_MAC_FILTER))
        {
          error =
-           vnet_hw_interface_add_del_mac_address (lm->vnet_main, hw_if_index,
+           vnet_hw_interface_add_del_mac_address (lm->vnet_main,
+                                                  hw_if_index,
                                                   lldp_mac_addr,
                                                   0 /* is_add */ );
          if (error)