[PATCH v2] wpa_supplicant: Do not associate on 6GHz with forbidden configurations

[Peer, Ilan]

Hi,

> -----Original Message-----
> From: Matthew Wang <matthewmwang at chromium.org>
> Sent: Sunday, March 13, 2022 06:43
> To: Otcheretianski, Andrei <andrei.otcheretianski at intel.com>
> Cc: hostap at lists.infradead.org; Peer, Ilan <ilan.peer at intel.com>
> Subject: Re: [PATCH v2] wpa_supplicant: Do not associate on 6GHz with
> forbidden configurations
> 
> I'm not sure I agree with the execution here. In particular, I don't think we
> should be modifying the IEs of the AP to prevent association.
> Rather, there are places (e.g. wpa_supplicant_set_suites) where we
> determine the correct suite based on the network configuration and the AP
> IEs, and it makes more sense to do the 6ghz check there. In the case of the
> WEP check, that can be easily accomplished by checking for 6ghz when we
> define wep_ok, with the additional benefit of not exposing more WEP
> specific things outside of CONFIG_WEP.
> 

This change does not really modify the AP elements. Instead, it removes configurations that are no allowed on 6GHz to prevent starting a connection flow with invalid AKMs/ciphers/configuration. I think that it is preferrable to do this early during the candidate selection for association.

Regards,

Ilan.