Set transmit power on config()

server/site_linux_router.py

 # Copyright (c) 2010 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.
 
 import logging, re, time
 from autotest_lib.client.common_lib import error
 
 def isLinuxRouter(router):
     router_uname = router.run('uname').stdout
     return re.search('Linux', router_uname)
@@ skipping 140 matching lines @@
 
         multi_interface = 'multi_interface' in params
         if multi_interface:
             params.pop('multi_interface')
         elif self.hostapd['configured']:
             self.deconfig({})
 
         if self.apmode:
             # Construct the hostapd.conf file and start hostapd.
             conf = self.hostapd['conf']
+            tx_power_params = {}
             htcaps = set()
 
             conf['driver'] = params.get('hostapd_driver',
                 self.hostapd['driver'])
 
             for k, v in params.iteritems():
                 if k == 'ssid':
                     conf['ssid'] = v
                 elif k == 'ssid_suffix':
                     conf['ssid'] = self.defssid + v
@@ skipping 79 matching lines @@
                 elif k == 'ht':
                     htcaps.add('')  # NB: ensure 802.11n setup below
                 elif k == 'htprotmode':
                     pass        # TODO(sleffler) need hostapd support
                 elif k == 'rifs':
                     pass        # TODO(sleffler) need hostapd support
                 elif k == 'wepmode':
                     pass        # NB: meaningless for hostapd; ignore
                 elif k == '-ampdu':
                     pass        # TODO(sleffler) need hostapd support
+                elif k == 'txpower':
+                    tx_power_params['power'] = v
                 else:
                     conf[k] = v
 
             # Aggregate ht_capab.
             if htcaps:
                 conf['ieee80211n'] = 1
                 conf['ht_capab'] = ''.join(htcaps)
 
             # Figure out the correct interface.
             if conf.get('hw_mode', 'b') == 'a':
@@ skipping 24 matching lines @@
             # Set up the bridge.
             if not multi_interface:
                 logging.info("Setting up the bridge...")
                 self.router.run("%s addif %s %s" %
                                 (self.cmd_brctl, self.bridgeif, self.wiredif))
                 self.router.run("%s link set %s up" %
                                 (self.cmd_ip, self.wiredif))
                 self.router.run("%s link set %s up" %
                                 (self.cmd_ip, self.bridgeif))
                 self.hostapd['interface'] = conf['interface']
+            else:
+                tx_power_params['interface'] = conf['interface']
+
+            # Configure transmit power
+            self.set_txpower(tx_power_params)
 
             logging.info("AP configured.")
 
 #        else:
 #            # use iw to manually configure interface
 
         self.hostapd['configured'] = True
 
 
     def deconfig(self, params):
@@ skipping 27 matching lines @@
 
     def get_ssid(self):
         return self.hostapd['conf']['ssid']
 
 
     def set_txpower(self, params):
         self.router.run("%s dev %s set txpower %s" %
                         (self.cmd_iw, params.get('interface',
                                                  self.hostapd['interface']),
                          params.get('power', 'auto')))