[driverloader] Bad Link quality with bcm43xx on HP ZD7000 serie

Linuxant support (Jonathan) support at linuxant.com
Mon Jan 10 15:05:49 EST 2005


the line '#define NETNDIS_OPTIMIZE_QUAL_FOR_KDE' will not improve the 
connection speed or the actual link quality, but the link quality that 
will be reported by DriverLoader is expected to be read by the KDE 
wireless tools.

Are you using the same Windows XP driver under both Linux and Windows? 
Do you obtain error messages in your 'dmesg' which could explain the 
slow speed?


Technical specialist / Linuxant
support at linuxant.com

Pascal wrote:
> Le dimanche 9 Janvier 2005 00:47, Marc Boucher a écrit :
>>You could try adding a "#define
>>/usr/lib/driverloader/modules/GPL/netndis.c (in the generic version)
>>and recompiling the modules with dldrconfig -ka to see if it helps.
> I've made a test transfert of avi file length 700 Mo
> from PCA (my server connected to my wireless router with a RJ45 link)
> to my Laptop (PCB connected to my router with wireless WEP link)
> Under Windows on my Laptop
> Start : 13:30:00 End: 13:34:30 4,60Mo/s
> Link Quality with Broadcom agent is 100% to 92% (very stable)
> Under Linux on my Laptop
> Start : 14:42:00   End: 14:50:10   1,4Mo/s
> Link Quality with iwconfig is 6% to 15% (very variable)
> I've trying to add this "define" on top of
> /usr/lib/driverloader/modules/GPL/netndis.c 
> I've recompiled the modules with dldrconfig -ka.
> and after reboot :
> Tranfer test avi file (700 Mo) PCA to PCB
> Start 15:34:00   End: 15:42:10  1,4Mo/s
> Link Qualty with iwconfig is 58% to 62% (very instable) 
> effectively the link quality is better but not the transfer rate.
> I don't think it is a mesurement problem, the rate transfer
> is very low under Linux.
> Thank's for your help
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