Re: [PATCH wireless-next v3 0/4] wifi: brcmfmac: external auth support for Infineon devices

On April 29, 2025 10:19:00 AM Peter Robinson <[email protected]> wrote:

>>> I will try and find a couple of other devices with an appropriate
>>> cypress/infineon.
>>
>> Thanks for giving the patches a spin. The firmware should have a feature
>> named sae_ext. I think the one you with iw are indicating same support in
>> general.
>
> I am not so sure.
>
> RPi4 (BCM4345/6 - 7.45.234 (4ca95bb CY) FWID 01-996384e2)
>        Supported extended features:
>                * [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
>                * [ 4WAY_HANDSHAKE_STA_PSK ]: 4-way handshake with PSK
> in station mode
>                * [ 4WAY_HANDSHAKE_STA_1X ]: 4-way handshake with
> 802.1X in station mode
>                * [ DFS_OFFLOAD ]: DFS offload
>                * [ SAE_OFFLOAD ]: SAE offload support
>                * [ 4WAY_HANDSHAKE_AP_PSK ]: AP mode PSK offload support
>                * [ SAE_OFFLOAD_AP ]: AP mode SAE authentication offload support
>
> Jetson TX1 (BCM4354/1 - fw 7.35.349.104 (775a9ab CY) FWID 01-d55901b0):
>        Supported extended features:
>                * [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
>                * [ DFS_OFFLOAD ]: DFS offload
>
> So I have different brcmfmac HW reporting different features.
>
>> You can check the firmware features in debugfs under
>> <mount>/ieee80211/phyX/fwcap.
>
> I don't get fwcap on either of the above devices:
>
> ls /sys/kernel/debug/ieee80211/phy0/
> fragmentation_threshold  ht40allow_map  long_retry_limit
> rts_threshold  short_retry_limit

Ah, yes. My bad. They are only created if CONFIG_BRCMDBG is selected.

Regards,
Arend