blob: a801feb9d884d476cb93db4473afa16808eadb31 [file] [log] [blame] [edit]
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from autotest_lib.server import site_linux_cros_router
class LinuxVMRouter(site_linux_cros_router.LinuxCrosRouter):
"""
Linux/mac80211-style WiFi Router support for WiFiTest class.
As compared to LinuxCrosRouter, LinuxVMRouter is specialized for
routers using the virtual radios provided by mac80211_hwsim.
"""
def __init__(self, host, params, defssid):
host.run("rmmod mac80211_hwsim", ignore_status=True)
host.run("modprobe mac80211_hwsim radios=3")
site_linux_cros_router.LinuxCrosRouter.__init__(
self, host, params, defssid)
# Override LinuxSystem's phy assignment.
self.phys_for_frequency = {}
phy_infos = host.run("%s list" % self.cmd_iw).stdout.splitlines()
phy_list = \
[phy_info.split()[1] for phy_info in phy_infos \
if phy_info.startswith('Wiphy')]
# In the VM case, the client runs on the same node as the router.
# Since LinuxRouter.__init__ removes all interfaces, we need to
# set up a device for the client. [quiche.20110823]
client_phy = phy_list[0]
host.run("%s phy %s interface add client0 type managed" %
(self.cmd_iw, client_phy))
# Both remaining virtual devices are dual-band. Arbitrarily
# assign one to 2.4 GHz, and the other to 5 GHz.
self.phydev2 = self.phydev2 or phy_list[1]
self.phydev5 = self.phydev5 or phy_list[2]
def _pre_start_hook(self, config):
# Override default LinuxCrosRouter behavior of stopping supplicant
# instance because the client is running on the same machine as the
# router.
pass