From: Leif Z. <le...@le...> - 2011-01-10 02:22:32
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iwpriv returns no private ioctals how do i correct this thanks > > Kernel version 2.6.21. > > > sakoman wrote: >> >> On Fri, Jan 7, 2011 at 9:09 AM, Booi <L....@lb...> wrote: >>> >>> Finally, I managed to change the TX power successfully. :) >>> >>> We will need to disable the auto transmit power control and power >>> adaptation >>> of the interface to make it works. Try these >>> >>> iwlist wlan0 txpower  (to get available tx power level) >>> iwpriv wlan0 tpccfg 0 (to disable auto transmit power control) >>> iwpriv wlan0 powercfg 0 (to disable power adaptation) >>> iwconfig wlan0 txpower 5dBm (change to Tx power required) >>> >>> >>> Documentation found for the changes of configuration above. >>> tpccfg >>>     Enables or disables automatic transmit power control. >>> >>>     The first parameter turns this feature on (1) or off (0). >>>  When >>> turning >>>     on, the user must also supply four more parameters in the >>> following >>>     order: >>>         -UseSNR (Use SNR (in addition to PER) for TPC >>> algorithm), >>>         -P0 (P0 power level for TPC), >>>         -P1 (P1 power level for TPC), >>>         -P2 (P2 power level for TPC). >>> >>>     Usage: >>>         iwpriv ethX tpccfg: Get current configuration >>>         iwpriv ethX tpccfg 0: disable auto TPC >>>         iwpriv ethX tpccfg 0x01 0x00 0x05 0x0a 0x0d: >>> enable auto >>> TPC; do not use >>> SNR; >>>                         >>>       P0=0x05; >>> P1=0x0a; P2=0x0d; >>>         iwpriv ethX tpccfg 0x01 0x01 0x05 0x0a 0x0d: >>> enable auto >>> TPC; use SNR; >>>                         >>>       P0=0x05; >>> P1=0x0a; P2=0x0d. >>> >>> powercfg >>>     Enables or disables power adaptation. >>> >>>     The first parameter turns this feature on (1) or off (0). >>>  When >>> turning >>>     on, the user must also supply three more parameters in the >>> following >>>     order: >>>         -P0 (P0 power level for Power Adaptation), >>>         -P1 (P1 power level for Power Adaptation), >>>         -P2 (P2 power level for Power Adaptation). >>> >>>     Usage: >>>         iwpriv ethX powercfg: Get current configuration >>>         iwpriv ethX powercfg 0: disable power adaptation >>>         iwpriv ethX powercfg 1 0x0d 0x0f 0x12: enable >>> power >>> adaptation; >>>                         >>>    P0=0x0d; P1=0x0f; >>> P2=0x12. >> >> Which kernel version are you using? >> >> Steve >> >> ------------------------------------------------------------------------------ >> Gaining the trust of online customers is vital for the success of any >> company >> that requires sensitive data to be transmitted over the Web. Learn how >> to >> best implement a security strategy that keeps consumers' information >> secure >> and instills the confidence they need to proceed with transactions. >> http://p.sf.net/sfu/oracle-sfdevnl >> _______________________________________________ >> gumstix-users mailing list >> gum...@li... >> https://lists.sourceforge.net/lists/listinfo/gumstix-users >> >> > > -- > View this message in context: > http://old.nabble.com/Need-help%3A-How-to-change-wifistix-txpower-or-tx-range--tp30579321p30622117.html > Sent from the Gumstix mailing list archive at Nabble.com. > > > ------------------------------------------------------------------------------ > Gaining the trust of online customers is vital for the success of any > company > that requires sensitive data to be transmitted over the Web. Learn how > to > best implement a security strategy that keeps consumers' information > secure > and instills the confidence they need to proceed with transactions. > http://p.sf.net/sfu/oracle-sfdevnl > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > |