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New HTT stats are added with stats type 37 to provide PHY reset stats and PHY reset counter stats. PHY reset stats are used to display the current PHY-related operation information such as band, CCA threshold, current operating channel etc., PHY reset counter stats are used to display the PHY reset counter values like calibration counts, temperature based recalibration counts etc., Usage: echo 37 > /sys/kernel/debug/ieee80211/phyX/ath11k/htt_stats_type cat /sys/kernel/debug/ieee80211/phyx/ath11k/htt_stats Output: HTT_PHY_RESET_STATS_TLV: pdev_id = 0 chan_mhz = 5180 chan_band_center_freq1 = 5210 chan_band_center_freq2 = 0 chan_phy_mode = 18 chan_flags = 0x8 chan_num = 36 reset_cause = 0x50000 prev_reset_cause = 0x50000 phy_warm_reset_src = 0x0 rx_gain_tbl_mode = 0 xbar_val = 0xfac688 force_calibration = 0 phyrf_mode = 0 phy_homechan = 0 phy_tx_ch_mask = 0x3 phy_rx_ch_mask = 0x3 phybb_ini_mask = 0x5 phyrf_ini_mask = 0x0 phy_dfs_en_mask = 0x0 phy_sscan_en_mask = 0x0 phy_synth_sel_mask = 0x0 phy_adfs_freq = 0 cck_fir_settings = 0x0 phy_dyn_pri_chan = 6 cca_thresh = 0x26232020 dyn_cca_status = 0 rxdesense_thresh_hw = 0xcfe0afe rxdesense_thresh_sw = 0xcfe0afe 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 force_calibration_cnt = 0 rf_mode_switch_phy_off_cnt = 0 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1 Signed-off-by: Nidhi Jain <quic_nidhjain@quicinc.com> Signed-off-by: Maharaja Kennadyrajan <quic_mkenna@quicinc.com> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20230517141242.2754293-1-quic_mkenna@quicinc.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.