skb->protocol = htons(ETH_P_MAP);
 
-       return RMNET_MAP_SUCCESS;
+       return 0;
 
 fail:
        kfree_skb(skb);
-       return RMNET_MAP_CONSUMED;
+       return -ENOMEM;
 }
 
 static void
        }
 
        if (port->egress_data_format & RMNET_EGRESS_FORMAT_MAP) {
-               switch (rmnet_map_egress_handler(skb, port, mux_id, orig_dev)) {
-               case RMNET_MAP_CONSUMED:
+               if (rmnet_map_egress_handler(skb, port, mux_id, orig_dev))
                        return;
-
-               case RMNET_MAP_SUCCESS:
-                       break;
-
-               default:
-                       kfree_skb(skb);
-                       return;
-               }
        }
 
        rmnet_vnd_tx_fixup(skb, orig_dev);
 
        };
 }  __aligned(1);
 
-enum rmnet_map_results {
-       RMNET_MAP_SUCCESS,
-       RMNET_MAP_CONSUMED,
-       RMNET_MAP_GENERAL_FAILURE,
-       RMNET_MAP_NOT_ENABLED,
-       RMNET_MAP_FAILED_AGGREGATION,
-       RMNET_MAP_FAILED_MUX
-};
-
 enum rmnet_map_commands {
        RMNET_MAP_COMMAND_NONE,
        RMNET_MAP_COMMAND_FLOW_DISABLE,