Thread: [Madwifi-devel] Changing TxPower in an 'Managed' Atheros Card not effected
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From: Sankara S. S. <wri...@gm...> - 2006-04-29 07:00:20
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Dear All, I have a linux machin running on a Debian 2.6 kernel , with an Atheros Card installed in it.. I need to change its Tx Power. However I am not able to do it. Its an urgent requirement. Any help would be highly appreciated. node1-1:~# uname -a Linux node1-1.sb1.orbit-lab.org 2.4.26 #2 Tue Nov 30 23:13:47 EST 2004 i686 GNU/Linux node1-1:~# iwconfig ath0 ath0 IEEE 802.11g ESSID:"" Mode:Managed Frequency:2.422 GHz Access Point: 00:00:00:00:00:00 Bit Rate=3D36 Mb/s Tx-Power=3Doff Sensitivity=3D0/3 Retry:off RTS thr:off Fragment thr:off Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 node1-1:~# iwconfig ath0 txpower auto node1-1:~# iwconfig ath0 txpower on node1-1:~# iwconfig ath0 txpower 10 node1-1:~# iwconfig ath0 ath0 IEEE 802.11g ESSID:"" Mode:Managed Frequency:2.422 GHz Access Point: 00:00:00:00:00:00 Bit Rate=3D36 Mb/s Tx-Power=3Doff Sensitivity=3D0/3 Retry:off RTS thr:off Fragment thr:off Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 Could someone help me out ? Thanks in anticipation Regards Sankar |
From: Stijn T. <st...@li...> - 2006-04-29 13:04:16
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Sankara Subramanian Salvady wrote: > node1-1:~# iwconfig ath0 txpower auto > node1-1:~# iwconfig ath0 txpower on > node1-1:~# iwconfig ath0 txpower 10 > node1-1:~# iwconfig ath0 > ath0 IEEE 802.11g ESSID:"" > Mode:Managed Frequency: 2.422 GHz Access Point: > 00:00:00:00:00:00 > Bit Rate=36 Mb/s Tx-Power=off Sensitivity=0/3 > Retry:off RTS thr:off Fragment thr:off > Power Management:off > Link Quality:0 Signal level:0 Noise level:0 > Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 > Tx excessive retries:0 Invalid misc:0 Missed beacon:0 > Could you try loading ath_pci with the 'rfkill=0' module option? Kind regards Stijn |
From: Sankara S. S. <wri...@gm...> - 2006-04-29 14:37:26
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Hi , Thanks for the reply . But when I tried this option, i get the folowing error message. node1-1:~# modprobe ath_pci rfkill=3D0 Warning: ignoring rfkill=3D0, no such parameter in this module Module ath_pci loaded, with warnings Thanks, Regards Sankar On 4/29/06, Stijn Tintel <st...@li...> wrote: > > Sankara Subramanian Salvady wrote: > > node1-1:~# iwconfig ath0 txpower auto > > node1-1:~# iwconfig ath0 txpower on > > node1-1:~# iwconfig ath0 txpower 10 > > node1-1:~# iwconfig ath0 > > ath0 IEEE 802.11g ESSID:"" > > Mode:Managed Frequency: 2.422 GHz Access Point: > > 00:00:00:00:00:00 > > Bit Rate=3D36 Mb/s Tx-Power=3Doff Sensitivity=3D0/3 > > Retry:off RTS thr:off Fragment thr:off > > Power Management:off > > Link Quality:0 Signal level:0 Noise level:0 > > Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 > > Tx excessive retries:0 Invalid misc:0 Missed beacon:0 > > > Could you try loading ath_pci with the 'rfkill=3D0' module option? > > Kind regards > Stijn > > > ------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job > easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronim= o > http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat= =3D121642 > _______________________________________________ > Madwifi-devel mailing list > Mad...@li... > https://lists.sourceforge.net/lists/listinfo/madwifi-devel > |
From: Michael R. <ma...@no...> - 2006-05-30 05:09:01
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Hi. Sankara Subramanian Salvady wrote: > ath0 IEEE 802.11g ESSID:"" > Mode:Managed Frequency: 2.422 GHz Access Point: > 00:00:00:00:00:00 > Bit Rate=36 Mb/s Tx-Power=off Sensitivity=0/3 If you're running a recent SVN snapshot or 0.9.0: the tx power is set to 0 until you bring the interface up (ifconfig ath0 up). If you're running madwifi-old: please switch to 0.9.0. -old is no longer supported. Bye, Mike |