Search Linux Wireless

Re: [PATCH 01/19] orinoco: Add ESSID specific scanning for Agere fw

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 2008-08-06 at 20:29 +0100, Dave wrote:
> Dan Williams wrote:
> > On Tue, 2008-08-05 at 18:48 -0400, Pavel Roskin wrote:
> >> The userspace is welcome to keep a pool of all APs found by any scans,
> >> but I don't think drivers should do it.
> > 
> > Drivers need to keep a reasonably complete list of APs internally for
> > association anyway.  You don't want to have to do a full scan just to
> > associate if you have results from 10 seconds ago that are still valid.
> 
> This is not an issue for orinoco cards, as the firmware selects the AP to use independently of any driver scanning. The requirement to use ap_scan=2 means that wpa_supplicant doesn't need to look at the scan results either (except maybe to verify the configuration matches).

Well, since the driver supports SSID scanning, we can use ap_scan=1
anyway.  ap_scan=2 is actually pretty evil since it depends on WEXT
ordering and whatnot.

Dan

> > Furthermore, drivers need to keep cached results so that two processes
> > can request results of a scan after the scan is complete.
> 
> But this does apply to orinoco.
> 
> 
> Regards,
> 
> Dave.
> --
> 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

--
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

[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux