# Copyright 2019 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 copy import deepcopy from vyos.ifconfig.interface import Interface @Interface.register class GeneveIf(Interface): """ Geneve: Generic Network Virtualization Encapsulation For more information please refer to: https://tools.ietf.org/html/draft-gross-geneve-00 https://www.redhat.com/en/blog/what-geneve https://developers.redhat.com/blog/2019/05/17/an-introduction-to-linux-virtual-interfaces-tunnels/#geneve https://lwn.net/Articles/644938/ """ default = { 'type': 'geneve', 'vni': 0, 'remote': '', } options = Interface.options + \ ['vni', 'remote'] definition = { **Interface.definition, **{ 'section': 'geneve', 'prefixes': ['gnv', ], 'bridgeable': True, } } def _create(self): cmd = 'ip link add name {ifname} type geneve id {vni} remote {remote}'.format(**self.config) self._cmd(cmd) # interface is always A/D down. It needs to be enabled explicitly self.set_admin_state('down') @classmethod def get_config(cls): """ GENEVE interfaces require a configuration when they are added using iproute2. This static method will provide the configuration dictionary used by this class. Example: >> dict = GeneveIf().get_config() """ return deepcopy(cls.default)