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Re: [PATCH v4 2/4] wifi: ath12k: Support phy counter and TPC stats

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On 11/5/2024 8:45 PM, Roopni Devanathan wrote:
> From: Dinesh Karthikeyan <quic_dinek@xxxxxxxxxxx>
> 
> Add support to request counters and Transmission Power Control
> (TPC) stats through HTT stats type 37. These stats give
> information about counters like received packet count, CRC pass
> count, error count, transmit abort count, etc., about counter reset
> like reset cause, channel frequency, number and mode, channel flags,
> etc., about TPC like transmit power scale, maximum transmit power,
> gain cap, EIRP, etc.
> 
> Note: MCC firmware version -
> WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 does not
> support HTT stats type 37, i.e., the firmware does not respond to the
> command requesting stats.
> 
> Sample output:
> -------------
> echo 37 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats_type
> cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats
> HTT_PHY_STATS_TLV:
> bdf_nf_chain[0] = -92
> bdf_nf_chain[1] = -94
> bdf_nf_chain[2] = -94
> bdf_nf_chain[3] = -93
> .....
> 
> HTT_PHY_COUNTERS_TLV:
> rx_ofdma_timing_err_cnt = 18068
> rx_cck_fail_cnt = 0
> mactx_abort_cnt = 2612
> macrx_abort_cnt = 0
> .....
> 
> HTT_PHY_RESET_STATS_TLV:
> pdev_id = 0
> chan_mhz = 0
> chan_band_center_freq1 = 0
> chan_band_center_freq2 = 0
> .....
> 
> HTT_PHY_RESET_COUNTERS_TLV:
> pdev_id = 0
> cf_active_low_fail_cnt = 0
> cf_active_low_pass_cnt = 0
> phy_off_through_vreg_cnt = 0
> .....
> 
> HTT_PHY_TPC_STATS_TLV:
> pdev_id = 0
> tx_power_scale = 0
> tx_power_scale_db = 0
> min_negative_tx_power = 0
> .....
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
> 
> Signed-off-by: Dinesh Karthikeyan <quic_dinek@xxxxxxxxxxx>
> Signed-off-by: Roopni Devanathan <quic_rdevanat@xxxxxxxxxxx>
Acked-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>





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