Does 88W8997 support IBSS/Ad-Hoc mode?

ventosus · ‎08-05-2021

The driver mwifiex has support for IBSS/Ad-Hoc mode.

However, the IBSS/Ad-Hoc mode support bit is not set in firmware blob pcieusb8997_combo_v4.bin.

Is this an error in the firmware blob or does the module not support IBSS/Ad-Hoc mode at all?

# uname -a
Linux colibri-imx8x 5.4.115-5.3.0+git.dbdbcabf0f98 #1 SMP PREEMPT Tue Jul 6 08:47:10 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux

# iw phy

        Supported interface modes:
                 * managed
                 * AP
                 * P2P-client
                 * P2P-GO

weidong_sun · ‎08-08-2021

Hi,

For firware version, we have FP68 & PF92, and FP92 is the version of mass market.

In these 2 firmware versions, the function of ad hoc is closed, which means they doesn't support ad hoc.

you can check FW version in linux by one of the following commands:

---mlanutl mlan0 version

or

---cat /proc/mwlan/adapter0/mlan0/info

If the version is FP68 or FP92, ad hoc can't be used.

Have a good day!

Regards,

weidong

ventosus · ‎08-06-2021

Sorry, but your answer is a bit cryptic.

I don't know what you mean with *Marco* and *closed*.

* Is Ad-Hoc mode implemented in the firmware blob but deactivated?

* Is Ad-Hoc mode implemented in a closed version of the firmware blob? If so, where do I get this from?

* Is Ad-Hoc mode not implemented at all for this module?

AP and Station mode area no option for us. Our use case needs a fully meshed topology built on top of B.A.T.M.A.N [1].

Thanks in advance for the clarifications

weidong_sun · ‎08-05-2021

Hi,

The ad hoc Marco in firmware is closed, so please use uap & STA interface.

Have a good day!

Regards,

weidong