Query on WMM AC parameters configuration using netlink

Jouni Malinen j at w1.fi
Sun Mar 11 04:00:49 PDT 2018

On Thu, Mar 01, 2018 at 07:06:11PM -0600, Phani Siriki wrote:
> Now, I want to change the wmm_ac parameters as well, but couldn't get
> the exact netlink parameter to set.
> Could someone point me the nl80211 parameter used to set these
> parameters in AP, so that AP can advertise these values to stations in
> their IE?

There is no nl80211 parameter for this. The WMM element that advertises
values for station is part of the Beacon/Probe Response frame template
that gets set when starting or updating the AP/BSS information. This may
depend on the Wi-Fi driver that is used, but for example with
mac80211_hwsim, you cannot change this independently without updating
the full Beacon template (i.e., you have to update this through hostapd
to avoid conflicts with other Beacon frame information changes).

Jouni Malinen                                            PGP id EFC895FA

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