On Monday 06 August 2007 23:35:48 Michael Buesch wrote:
> On Monday 06 August 2007 23:29:04 Larry Finger wrote:
> > Michael,
> >
> > I sent the wrong message under this subject before.
> >
> > This hack disabled hardware power control. With this installed and the
> > desired power set to 10 dBm using the previous patch, I get much, much
> > better performance from bcm43xx-mac80211 on my BCM4311. I have not yet
> > tested it on the BCM4306 or the BCM4318.
> >
> > The new iperf readings for transmit/receive with the computer about 2 m
> > from the AP are as follows:
> >
> > Bit Rate xmit/receive (Mbs)
> >
> > 1M 1.11/8.70
> > 2M 1.44/11.0
> > 5.5M 4.15/13.3
> > 6M 4.76/17.4
> > 9M 6.55/18.2
> > 11M 6.54/14.3
> > 18M 10.7/18.5
> > 24M 12.8/19.5
> > 36M 16.1/19.7
> > 48M 18.0/19.5
> > 54M 18.6/19.0
> >
> > These numbers are comparable with what I'm getting with the PHY port from
> > softmac. I don't understand the dip in received rate at 11M, but it is real.
> > On Richard Jonsson's 4311, he isn't able to measure the transfer rate at
> > 11M.
> >
> > With these settings, the rate adjustment proces bumps the rate to 54M
> > automatically.
> >
> > Larry
> >
> >
> >
> > Index: wireless-dev/drivers/net/wireless/bcm43xx-mac80211/bcm43xx_phy.c
> > ===================================================================
> > --- wireless-dev.orig/drivers/net/wireless/bcm43xx-mac80211/bcm43xx_phy.c
> > +++ wireless-dev/drivers/net/wireless/bcm43xx-mac80211/bcm43xx_phy.c
> > @@ -471,6 +471,7 @@ void bcm43xx_phy_early_init(struct bcm43
> > struct bcm43xx_phy *phy = &dev->phy;
> > struct bcm43xx_txpower_lo_control *lo = phy->lo_control;
> >
> > + phy->hw_pctl_off = 1;
> > default_baseband_attenuation(dev, &phy->bbatt);
> > default_radio_attenuation(dev, &phy->rfatt);
> > phy->tx_control = (default_tx_control(dev) << 4);
> > Index: wireless-dev/drivers/net/wireless/bcm43xx-mac80211/bcm43xx_phy.h
> > ===================================================================
> > --- wireless-dev.orig/drivers/net/wireless/bcm43xx-mac80211/bcm43xx_phy.h
> > +++ wireless-dev/drivers/net/wireless/bcm43xx-mac80211/bcm43xx_phy.h
> > @@ -219,8 +219,9 @@ void bcm43xx_gphy_dc_lt_init(struct bcm4
> >
> > /* Returns the boolean whether the board has HardwarePowerControl */
> > #define has_hardware_pctl(phy) \
> > + (!((phy)->hw_pctl_off) && \
> > (((phy)->type == BCM43xx_PHYTYPE_A && (phy)->rev >= 5) || \
> > - ((phy)->type == BCM43xx_PHYTYPE_G && (phy)->rev >= 6))
> > + ((phy)->type == BCM43xx_PHYTYPE_G && (phy)->rev >= 6)))
> > /* Returns the boolean whether "TX Magnification" is enabled. */
> > #define has_tx_magnification(phy) \
> > (((phy)->rev >= 2) && \
> > Index: wireless-dev/drivers/net/wireless/bcm43xx-mac80211/bcm43xx.h
> > ===================================================================
> > --- wireless-dev.orig/drivers/net/wireless/bcm43xx-mac80211/bcm43xx.h
> > +++ wireless-dev/drivers/net/wireless/bcm43xx-mac80211/bcm43xx.h
> > @@ -534,6 +534,7 @@ struct bcm43xx_phy {
> > struct bcm43xx_bbatt bbatt;
> > struct bcm43xx_rfatt rfatt;
> > u8 tx_control; /* BCM43xx_TXCTL_XXX */
> > + bool hw_pctl_off;
> > #ifdef CONFIG_BCM43XX_MAC80211_DEBUG
> > bool manual_txpower_control; /* Manual TX-power control enabled? */
> > #endif
> >
> > ---
> > _______________________________________________
> > Bcm43xx-dev mailing list
> > Bcm43xx-dev@xxxxxxxxxxxxxxxx
> > https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
> >
> >
>
> I am currently doing a patch for this.
>
That's it
http://bu3sch.de/patches/wireless-dev/20070806-1186437386/patches/bcm43xx-mac80211-hwpctl-optional.patch
--
Greetings Michael.
-
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
