fe8691248d
The controller module allows adding/destroying radios on the fly with the recent hwsim changes. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
#
|
|
# HWSIM generic netlink controller code
|
|
# Copyright (c) 2014 Intel Corporation
|
|
#
|
|
# Author: Johannes Berg <johannes.berg@intel.com>
|
|
#
|
|
# This software may be distributed under the terms of the BSD license.
|
|
# See README for more details.
|
|
|
|
import netlink
|
|
|
|
# constants
|
|
HWSIM_CMD_CREATE_RADIO = 4
|
|
HWSIM_CMD_DESTROY_RADIO = 5
|
|
|
|
HWSIM_ATTR_CHANNELS = 9
|
|
HWSIM_ATTR_RADIO_ID = 10
|
|
|
|
# the controller class
|
|
class HWSimController(object):
|
|
def __init__(self):
|
|
self._conn = netlink.Connection(netlink.NETLINK_GENERIC)
|
|
self._fid = netlink.genl_controller.get_family_id('MAC80211_HWSIM')
|
|
|
|
def create_radio(self, n_channels=None):
|
|
attrs = []
|
|
if n_channels:
|
|
attrs.append(netlink.U32Attr(HWSIM_ATTR_CHANNELS, n_channels))
|
|
msg = netlink.GenlMessage(self._fid, HWSIM_CMD_CREATE_RADIO,
|
|
flags = netlink.NLM_F_REQUEST |
|
|
netlink.NLM_F_ACK,
|
|
attrs = attrs)
|
|
return msg.send_and_recv(self._conn).ret
|
|
|
|
def destroy_radio(self, radio_id):
|
|
attrs = [netlink.U32Attr(HWSIM_ATTR_RADIO_ID, radio_id)]
|
|
msg = netlink.GenlMessage(self._fid, HWSIM_CMD_DESTROY_RADIO,
|
|
flags = netlink.NLM_F_REQUEST |
|
|
netlink.NLM_F_ACK,
|
|
attrs = attrs)
|
|
msg.send_and_recv(self._conn)
|
|
|
|
if __name__ == '__main__':
|
|
import sys
|
|
c = HWSimController()
|
|
if sys.argv[1] == 'create':
|
|
if len(sys.argv) > 2:
|
|
n_channels = int(sys.argv[2])
|
|
else:
|
|
n_channels = 0
|
|
print 'Created radio %d' % c.create_radio(n_channels=n_channels)
|
|
elif sys.argv[1] == 'destroy':
|
|
print c.destroy_radio(int(sys.argv[2]))
|