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Message-ID: <5D5DB246.7040402@candelatech.com>
Date:   Wed, 21 Aug 2019 14:06:14 -0700
From:   Ben Greear <greearb@candelatech.com>
Organization: Candela Technologies
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To:     ath10k <ath10k@lists.infradead.org>, pillair@codeaurora.org,
        "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: Regression with commit "ath10k: fill the channel survey results
 for WCN3990 correctly"
References: <5D5DAFE4.6080706@candelatech.com>
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On 08/21/2019 01:56 PM, Ben Greear wrote:
> Hello,
>
> I just noticed in 5.2.7+ kernel than this commit below appears to break WMI
> message for my 10.1 firmware, and based on code inspection, 10.2 will be broken
> as well.
>
> 10.1 struct ends with cycle_count, and 10.2 ends with one 32-bit number
> after that, but which is not chan_tx_pwr_range.
>
> I guess you need to create your own wmi msg for the WCN3990.
>
> The change to 10.4 chan_info event is also wrong for my relatively
> new version of 10.4 code, so likely breaks firmware in use.  last member
> in that struct in my 10.4 fw src is 'A_UINT32 rx_11b_mode_data_duration;'

Sorry, I mis-read this 10.4 part of the patch, it was not changing the wmi event
itself, so probably that part is fine.

Thanks,
Ben

>
>
> commit 13104929d2ec32aec0552007d55b9e15bc07176b
> Author: Rakesh Pillai <pillair@codeaurora.org>
> Date:   Wed Oct 17 16:50:03 2018 +0530
>
>      ath10k: fill the channel survey results for WCN3990 correctly
>
>
>
> diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
> index 4971d61..58e33ab 100644
> --- a/drivers/net/wireless/ath/ath10k/wmi.h
> +++ b/drivers/net/wireless/ath/ath10k/wmi.h
> @@ -6442,6 +6442,14 @@ struct wmi_chan_info_event {
>          __le32 noise_floor;
>          __le32 rx_clear_count;
>          __le32 cycle_count;
> +       __le32 chan_tx_pwr_range;
> +       __le32 chan_tx_pwr_tp;
> +       __le32 rx_frame_count;
> +       __le32 my_bss_rx_cycle_count;
> +       __le32 rx_11b_mode_data_duration;
> +       __le32 tx_frame_cnt;
> +       __le32 mac_clk_mhz;
> +
>   } __packed;
>
>
>
> Thanks,
> Ben
>


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com