Re: [EXT] Re: [PATCH v9 0/2] wifi: mwifiex: add code to support host mlme

Brian Norris
2024-03-20T21:13:25Z

Hi David,

On Mon, Mar 18, 2024 at 02:20:56AM +0000, David Lin wrote:
> > From: Brian Norris <briannorris@chromium.org>

> > I'm not sure if this has been asked/answered before, but are
> > the MLME/WPA3 limitations exclusively tied to the firmware support ("V2 Key
> > API")? Or are there hardware limitations on top (e.g., some firmware might get
> > "V2 Key API" but still be unsupported on a given chip family)? Could other
> > chips chips theoretically get this feature-set in the future?
>
> If firmware reported support of V2 Key API, then host mlme can be
> supported without issues. There is a flag 'host_mlme' in struct
> 'mwifiex_sdio_device' to indicate if host mlme should be supported. If
> this flag is set, driver will still check if firmware can support V2
> Key API. If firmware can't support it, host mlme will be disabled.

Thanks! If I can distill the answer: it's just a software/firmware
limitation, and not a hardware limitation. The hardware limitation flag
in this series is added just out of caution.

Brian