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Re: [PATCH 1/2] ath10k: use cumulative survey statistics

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On 2020-05-05 08:37, Markus Theil wrote:
On 5/5/20 9:49 AM, Sven Eckelmann wrote:
On Tuesday, 5 May 2020 09:01:34 CEST Sven Eckelmann wrote:
On Tuesday, 5 May 2020 01:46:12 CEST Rajkumar Manoharan wrote:
[...]
IIRC this was fixed a while ago by below patch. Somehow it never landed
in ath.git.
Simple one line change is enough.

https://patchwork.kernel.org/patch/10550707/
Because it doesn't work for everything. Remember that 10.2.4.x overflows all
the time (14-30s) because it used only 31 bit for the counters.

But feel free to point me to the firmware version which fixed this.
See also https://patchwork.kernel.org/patch/9701459/

Kind regards,
	Sven

This patch already fixes the problem for me. I tested it on QCA988X hw
with firmware 10.2.4.

[   10.350919] ath10k_pci 0000:04:00.0: qca988x hw2.0 target 0x4100016c
chip_id 0x043222ff sub 0000:0000
[   10.350930] ath10k_pci 0000:04:00.0: kconfig debug 1 debugfs 1
tracing 1 dfs 0 testmode 0
[   10.351803] ath10k_pci 0000:04:00.0: firmware ver 10.2.4-1.0-00047
api 5 features no-p2p,raw-mode,mfp,allows-mesh-bcast crc32 35bd9258
[   10.385617] ath10k_pci 0000:04:00.0: board_file api 1 bmi_id N/A
crc32 bebc7c08
[   11.536818] ath10k_pci 0000:04:00.0: htt-ver 2.1 wmi-op 5 htt-op 2
cal otp max-sta 128 raw 0 hwcrypto 1

I also did not see the 31 bit overflow after a small amount of seconds.

Survey data from wlp4s0
    frequency:            2412 MHz [in use]
    noise:                -65 dBm
    channel active time:        5370225 ms
    channel busy time:        924199 ms
    channel receive time:        140 ms
    channel transmit time:        0 ms

Great. Thanks for validating the patch. Venkat will post the patch on ToT.

-Rajkumar



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