Re: [PATCH ath-next 0/2] wifi: ath12k: use real noise floor value

[Aditya Kumar Singh]

On 6/23/2025 8:30 PM, Jeff Johnson wrote:
> On 5/28/2025 4:23 AM, Aditya Kumar Singh wrote:
> > At present, the ATH12K_DEFAULT_NOISE_FLOOR (-95) is used to calculate RSSI
> > value, providing an estimated noise floor value. Consequently, the RSSI
> > value is also approximate. This works but however, using actual noise floor
> > value will enable the reporting of the true RSSI value.
> >
> > The firmware possesses the necessary data to determine the actual noise
> > floor. This data is provided to the host via the WMI event
> > WMI_PDEV_RSSI_DBM_CONVERSION_PARAMS_INFO_EVENTID, which includes the
> > runtime parameters needed for calculating the real noise floor in dBm. This
> > event is triggered by the firmware during channel changes, temperature
> > offset adjustments, and hardware chainmask modifications.
> >
> > Add support to handle and parse this WMI event. Use the received values to
> > calculate and store the noise floor value and use at the required places.
> >
> > ---
> > Raj Kumar Bhagat (2):
> >        wifi: ath12k: handle WMI event for real noise floor calculation
> >        wifi: ath12k: use real noise floor instead of default value
> >
> >   drivers/net/wireless/ath/ath12k/core.h   |  17 +++
> >   drivers/net/wireless/ath/ath12k/dp_mon.c |   7 +-
> >   drivers/net/wireless/ath/ath12k/dp_tx.c  |  20 ++-
> >   drivers/net/wireless/ath/ath12k/mac.c    |  14 +-
> >   drivers/net/wireless/ath/ath12k/wmi.c    | 233 ++++++++++++++++++++++++++++++-
> >   drivers/net/wireless/ath/ath12k/wmi.h    |  42 ++++++
> >   6 files changed, 324 insertions(+), 9 deletions(-)
> > ---
> > base-commit: 3d933084a072fd5fb5da54c06a017abc0412c86f
> > change-id: 20250513-support_real_noise_floor-205986936cd3
>
> This series no longer applies cleanly on ath/main, please rebase
>
> Applying: wifi: ath12k: handle WMI event for real noise floor calculation
> Using index info to reconstruct a base tree...
> M       drivers/net/wireless/ath/ath12k/core.h
> M       drivers/net/wireless/ath/ath12k/mac.c
> M       drivers/net/wireless/ath/ath12k/wmi.c
> M       drivers/net/wireless/ath/ath12k/wmi.h
> Falling back to patching base and 3-way merge...
> Auto-merging drivers/net/wireless/ath/ath12k/wmi.h
> CONFLICT (content): Merge conflict in drivers/net/wireless/ath/ath12k/wmi.h
> Auto-merging drivers/net/wireless/ath/ath12k/wmi.c
> Auto-merging drivers/net/wireless/ath/ath12k/mac.c
> Auto-merging drivers/net/wireless/ath/ath12k/core.h
> Recorded preimage for 'drivers/net/wireless/ath/ath12k/wmi.h'
> error: Failed to merge in the changes.
> Patch failed at 0001 wifi: ath12k: handle WMI event for real noise floor calculation

Done. Rolled out the rebased next version.

--
Aditya