On 28 Mar, 2014, at 14:37 , Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote: > On 03/28/2014 07:29 AM, Bruno Antunes wrote: >> Hi Ben, >> I think you are missing some parameters >> >> On 28 Mar, 2014, at 14:18 , Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote: >> >>> On 03/28/2014 12:27 AM, Sedat Dilek wrote: >>>> On Fri, Mar 28, 2014 at 5:21 AM, Ben Greear <greearb@xxxxxxxxxxxxxxx> 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 >> >> iw dev <devname> set txpower <auto|fixed|limit> [<tx power in mBm>] >> >> It should be something like: >> >> iw dev wlan0 set txpower fixed 1000 > > Ok, that doesn't give an error, but 'iwconfig' still shows 16 dBm, > and I don't see any way to get 'iw' to print out the power itself? > > So, not sure if it is really working or not. It works , at least on iw 3.10. If you have debug enabled you can see the value changing. On a openwrt system root@RSPro2:/lib/wifi# iw dev adhoc0 set txpower fixed 900 root@RSPro2:/lib/wifi# cat /sys/kernel/debug/ieee80211/phy0/netdev:adhoc0/txpower 9 root@RSPro2:/lib/wifi# iw dev adhoc0 set txpower fixed 1500 root@RSPro2:/lib/wifi# cat /sys/kernel/debug/ieee80211/phy0/netdev:adhoc0/txpower 15 And the received power changes on the station confirming that is making effect. Bruno > > Thanks, > Ben > > > -- > Ben Greear <greearb@xxxxxxxxxxxxxxx> > Candela Technologies Inc http://www.candelatech.com > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html