On 1/4/2022 8:26 AM, Hector Martin wrote:
> The "wlc_ver" iovar returns information on the WLC and EPI versions.
> This can be used to determine whether the PMKID_V2 and _V3 features are
> supported.

I have my doubts whether this mechanism will be reliable, but we can 
wait and see whatever hits the fan over time. I stayed away from this 
because it is not well guarded. Especially when there are 4 entities 
these days spinning firmware and tinkering on the firmware api without 
much collaboration.

Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Hector Martin <marcan@marcan.st>
> ---
>   .../broadcom/brcm80211/brcmfmac/feature.c     | 48 +++++++++++++++++++
>   .../broadcom/brcm80211/brcmfmac/feature.h     |  4 +-
>   .../broadcom/brcm80211/brcmfmac/fwil_types.h  | 25 ++++++++++
>   3 files changed, 76 insertions(+), 1 deletion(-)