Any idea why hostapd won't send wmm_param elements?

Ben Greear greearb
Sun Jan 30 12:37:32 PST 2011

On 01/30/2011 10:49 AM, Jouni Malinen wrote:
> On Sat, Jan 29, 2011 at 09:45:01PM -0800, Ben Greear wrote:
>> I'm trying to get ath9k to run HT40- in hostapd.  I'm
>> using the conf file below.
>> In the association response, the wmm_param element doesn't
>> exist, so the stations will not actually use HT.  Anyone
>> know why this might be the case?
>> wmm_enabled=1
>> wmm_ac_bk_cwmin=4
> ...
>> wme_enabled=0
> "wme_" is the old name of these WMM parameters and is maintained for
> backwards compatibility. In other words, your configuration file is
> disabling WMM. I would just remove all the wme_* lines to get the
> configuration you are apparently trying to use here.

Heh, lucky me.

Also, since it appears invalid to have HT40 w/out wmm enabled,
maybe we should have hostapd warn or even fail to start
if a user manages to configure it thus?


Ben Greear <greearb at>
Candela Technologies Inc

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