# Copyright 2020 VyOS maintainers and contributors <maintainers@vyos.io> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library. If not, see <http://www.gnu.org/licenses/>. from vyos.ifconfig.interface import Interface @Interface.register class WiFiIf(Interface): """ Handle WIFI/WLAN interfaces. """ default = { 'type': 'wifi', 'phy': 'phy0' } definition = { **Interface.definition, **{ 'section': 'wireless', 'prefixes': ['wlan', ], 'bridgeable': True, } } options = Interface.options + \ ['phy', 'op_mode'] def _create(self): # all interfaces will be added in monitor mode cmd = 'iw phy {phy} interface add {ifname} type monitor' \ .format(**self.config) self._cmd(cmd) # wireless interface is administratively down by default self.set_admin_state('down') def _delete(self): cmd = 'iw dev {ifname} del' \ .format(**self.config) self._cmd(cmd) def update(self, config): """ General helper function which works on a dictionary retrived by get_config_dict(). It's main intention is to consolidate the scattered interface setup code and provide a single point of entry when workin on any interface. """ # We can not call add_to_bridge() until wpa_supplicant is running, thus # we will remove the key from the config dict and react to this specal # case in thie derived class. # re-add ourselves to any bridge we might have fallen out of bridge_member = '' if 'is_bridge_member' in config: bridge_member = config['is_bridge_member'] del config['is_bridge_member'] # call base class first super().update(config) # re-add ourselves to any bridge we might have fallen out of if bridge_member: self.add_to_bridge(bridge_member) # Enable/Disable of an interface must always be done at the end of the # derived class to make use of the ref-counting set_admin_state() # function. We will only enable the interface if 'up' was called as # often as 'down'. This is required by some interface implementations # as certain parameters can only be changed when the interface is # in admin-down state. This ensures the link does not flap during # reconfiguration. state = 'down' if 'disable' in config else 'up' self.set_admin_state(state) @Interface.register class WiFiModemIf(WiFiIf): definition = { **WiFiIf.definition, **{ 'section': 'wirelessmodem', 'prefixes': ['wlm', ], } }