| # SPDX-License-Identifier: Apache-2.0 | 
 |  | 
 | if(CONFIG_NET_L2_BT OR CONFIG_NET_L2_BT_SHELL) | 
 |   add_subdirectory(bluetooth) | 
 | endif() | 
 |  | 
 | if(CONFIG_NET_L2_VIRTUAL) | 
 |   add_subdirectory(virtual) | 
 | endif() | 
 |  | 
 | if(CONFIG_NET_L2_DUMMY) | 
 |   add_subdirectory(dummy) | 
 | endif() | 
 |  | 
 | if(CONFIG_NET_L2_ETHERNET) | 
 |   add_subdirectory(ethernet) | 
 | endif() | 
 |  | 
 | if(CONFIG_NET_L2_PPP) | 
 |   add_subdirectory(ppp) | 
 | endif() | 
 |  | 
 | if(CONFIG_NET_L2_IEEE802154) | 
 |   add_subdirectory(ieee802154) | 
 | endif() | 
 |  | 
 | if(CONFIG_NET_L2_OPENTHREAD) | 
 |   add_subdirectory(openthread) | 
 | endif() | 
 |  | 
 | if(CONFIG_NET_L2_WIFI_MGMT OR CONFIG_NET_L2_WIFI_SHELL) | 
 |   add_subdirectory(wifi) | 
 | endif() | 
 |  | 
 | if(CONFIG_NET_L2_CANBUS OR CONFIG_NET_L2_CANBUS_RAW) | 
 |   add_subdirectory(canbus) | 
 | endif() |