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# 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': '',
'wds': 'off',
}
definition = {
**Interface.definition,
**{
'section': 'wireless',
'prefixes': ['wlan', ],
'bridgeable': True,
}
}
options = Interface.options + \
['phy', 'op_mode']
_command_set = {**Interface._command_set, **{
'4addr': {
'shellcmd': 'iw dev {ifname} set 4addr {value}',
},
}}
def _create(self):
# all interfaces will be added in monitor mode
cmd = 'iw phy {phy} interface add {ifname} type monitor 4addr {wds}' \
.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 set_4aadr_mode(self, state):
return self.set_interface('4addr', state)
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. """
self.set_4aadr_mode('on' if 'wds' in config else 'off')
# 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)
@Interface.register
class WiFiModemIf(WiFiIf):
definition = {
**WiFiIf.definition,
**{
'section': 'wirelessmodem',
'prefixes': ['wlm', ],
}
}
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