wpa_supplicant 2.3 and AP band steering

Jouni Malinen j
Wed Nov 19 04:14:55 PST 2014

On Wed, Nov 19, 2014 at 12:45:37PM +0100, Bj?rn Villa wrote:
> I am using a linux driver for the D-Link DWA-171 device
> (https://github.com/gnab/rtl8812au) and I am experiencing problems with that
> my client (a Raspberry PI) ignores part of my wpa_supplicant.conf file. In
> particular, it is the scan_freq and freq_list parts which not are working as
> expected. The problem is that the access points force my client to connect
> on 5Ghz (band steering). The same problem was present on wpa_supplicant 2.2.
> However, if I use a WiFi device which can utilize the nl80211 driver, it
> works perfect.

Which driver interface does that driver use? WEXT? If so, specifying
frequencies for scanning is not supported by the interface.. In other
words, that driver would likely need to be replaced or extended to
support nl80211 (well, assuming the device itself supports frequency
lists for scans).

Jouni Malinen                                            PGP id EFC895FA

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