# Copyright 2019-2020 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 MACVLANIf(Interface): """ Abstraction of a Linux MACvlan interface """ default = { 'type': 'macvlan', 'address': '', 'source_interface': '', 'mode': '', } definition = { **Interface.definition, **{ 'section': 'pseudo-ethernet', 'prefixes': ['peth', ], }, } options = Interface.options + \ ['source_interface', 'mode'] def _create(self): # please do not change the order when assembling the command cmd = 'ip link add {ifname}' if self.config['source_interface']: cmd += ' link {source_interface}' cmd += ' type macvlan' if self.config['mode']: cmd += ' mode {mode}' self._cmd(cmd.format(**self.config)) def set_mode(self, mode): ifname = self.config['ifname'] cmd = f'ip link set dev {ifname} type macvlan mode {mode}' return 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. """ # call base class first super().update(config) # 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)