Return-path: Received: from mail.candelatech.com ([208.74.158.172]:57192 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751249AbaC1OSl (ORCPT ); Fri, 28 Mar 2014 10:18:41 -0400 Message-ID: <533584BF.70604@candelatech.com> (sfid-20140328_151844_777684_0EF64730) Date: Fri, 28 Mar 2014 07:18:39 -0700 From: Ben Greear MIME-Version: 1.0 To: sedat.dilek@gmail.com CC: "linux-wireless@vger.kernel.org" Subject: Re: Setting txpower fails? References: <5334F8E7.1070803@candelatech.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 03/28/2014 12:27 AM, Sedat Dilek wrote: > On Fri, Mar 28, 2014 at 5:21 AM, Ben Greear wrote: >> Any idea why this isn't working? >> >> Kernel is 3.9.11+, driver is ath9k. >> >> [root@ct523-9292 lanforge]# iwconfig wlan0 >> wlan0 IEEE 802.11abgn ESSID:off/any >> Mode:Managed Access Point: Not-Associated Tx-Power=16 dBm >> Retry short limit:7 RTS thr:off Fragment thr:off >> Encryption key:off >> Power Management:off >> >> [root@ct523-9292 lanforge]# iwconfig wlan0 txpower 10 >> [root@ct523-9292 lanforge]# echo $? >> 0 >> [root@ct523-9292 lanforge]# iwconfig wlan0 >> wlan0 IEEE 802.11abgn ESSID:off/any >> Mode:Managed Access Point: Not-Associated Tx-Power=16 dBm >> Retry short limit:7 RTS thr:off Fragment thr:off >> Encryption key:off >> Power Management:off >> >> [root@ct523-9292 lanforge]# >> > > Which version of wireless-tools? > Why don't you use modern iw? Do you know the right incantation for 'iw'? From it's help, it seems this should work, but it throws an error. I haven't dug into the code to figure out why... [root@ct523-9292 lanforge]# iw dev wlan0 set txpower 10 Invalid parameter: 10 [root@ct523-9292 lanforge]# iwconfig --version iwconfig Wireless-Tools version 29 Compatible with Wireless Extension v11 to v22. Kernel Currently compiled with Wireless Extension v22. sta211 Recommend Wireless Extension v21 or later, Currently compiled with Wireless Extension v22. ... Thanks, Ben > > - Sedat - > -- Ben Greear Candela Technologies Inc http://www.candelatech.com