Re: [PATCH v5 3/4] wifi: ath12k: add factory test mode support

[Kalle Valo <kvalo@kernel.org>]

Aaradhana Sahu <quic_aarasahu@quicinc.com> writes:

> Add support to process factory test mode commands(FTM) for calibration.
> By default firmware start with MISSION mode and to process the FTM commands
> firmware needs to be restarted in FTM mode using module parameter ftm_mode.
> The pre-request is all the radios should be down before starting the test.
>
> All ath12k test mode interface related commands specified in enum
> ath_tm_cmd.
>
> When start command ATH_TM_CMD_TESTMODE_START is received, ar state
> is set to test Mode and FTM daemon sends test mode command to wifi
> driver via cfg80211. Wifi driver sends these command to firmware as
> wmi events. If it is segmented commands it will be broken down into
> multiple segments and encoded with TLV header else it is sent to
> firmware as it is.
>
> Firmware response via UTF events, wifi driver creates skb and send
> to cfg80211, cfg80211 sends firmware response to FTM daemon via
> netlink message.
>
> Command to boot in ftm mode
> insmod ath12k ftm_mode=1
>
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
>
> Signed-off-by: Aaradhana Sahu <quic_aarasahu@quicinc.com>

[...]

> --- a/drivers/net/wireless/ath/ath12k/core.c
> +++ b/drivers/net/wireless/ath/ath12k/core.c
> @@ -42,6 +42,10 @@ static int ath12k_core_rfkill_config(struct ath12k_base *ab)
>  	return ret;
>  }
>  
> +bool ath12k_ftm_mode;
> +module_param_named(ftm_mode, ath12k_ftm_mode, bool, 0444);
> +MODULE_PARM_DESC(ftm_mode, "Boots up in factory test mode");

In the pending branch I moved these to the beginning of the file,
otherwise they are quite hidden:

https://git.kernel.org/pub/scm/linux/kernel/git/ath/ath.git/commit/?h=pending&id=0006b23098b2cb0dded6c650ef9b5a590bfb5a3c

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