#306: madwifi-ng + chipset 5211 not setting txpower, but madwifi-old/r1417 works
fine(Can't set txpower by iwconfig command)
------------------------------------+---------------------------------------
Reporter: [EMAIL PROTECTED] | Owner:
Type: defect | Status: new
Priority: major | Milestone:
Component: madwifi: other | Version: trunk
Resolution: | Keywords: txpower
Patch_attached: 0 |
------------------------------------+---------------------------------------
Comment (by [EMAIL PROTECTED]):
hi hareesh,
How are u ? Which company do you work now. Please let me know.
Replying to [comment:38 [EMAIL PROTECTED]:
> Dear Vinay,
>
> I too felt there is bug in ath_update_txpow() function.
> Replacing ath_hal_getmaxtxpow() with ath_hal_gettxpowlimit() is working
fine
> But by default it set to 31dBM which is very dangerous. so want set
default value to 23dBm. Can you please let me know where i can set default
value to 23dBm.
>
> looking for your reply
>
> regards
> Hareesh
>
> Replying to [comment:31 [EMAIL PROTECTED]:
> > Hi All,
> > I think there is a bug in ath_update_txpow() function.
> > The way in which the maximum txpower of chip is calculated is
wrong.
> >
> > /********* original code *******************/
> > u_int32_t maxtxpowlimit = 9999;
> > u_int32_t clamped_txpow = 0;
> >
> > /*
> > * Find the maxtxpow of the card and regulatory constraints
> > */
> > (void)ath_hal_getmaxtxpow(ah, &txpowlimit);
> > ath_hal_settxpowlimit(ah, maxtxpowlimit);
> > (void)ath_hal_getmaxtxpow(ah, &maxtxpowlimit);
> > ic->ic_txpowlimit = maxtxpowlimit;
> > ath_hal_settxpowlimit(ah, txpowlimit);
> > /********************************************/
> >
> > In the above lines of code, a very high value of 9999 is set to
> > txpowlimit using ath_hal_settxpowlimit()function.
> > The logic is that the hal will put in a sane value instead of 9999.
> > but while reading back the values --> ath_hal_getmaxtxpow() is used.
> >
> > For .11b mode the hal is returning a very low value for
ath_hal_getmaxtxpow().
> >
> > Replacing ath_hal_getmaxtxpow() with ath_hal_gettxpowlimit() is
working fine
> > for me with ar5312A soc.
> >
> > Regards,
> > Vinay
--
Ticket URL: <http://madwifi.org/ticket/306#comment:40>
madwifi.org <http://madwifi.org/>
Multiband Atheros Driver for Wireless Fidelity
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
Madwifi-tickets mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/madwifi-tickets
