linux-kernel - Re: [PATCH net] wifi: ath12k: properly set single_chip_mlo_supp to true in ath12k_core

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <6d946f17-704a-4f5e-8e1e-c05dcbb55d70@kernel.org>
Date: Thu, 20 Mar 2025 08:21:41 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Baochen Qiang <quic_bqiang@...cinc.com>, neil.armstrong@...aro.org,
 Vasanthakumar Thiagarajan <quic_vthiagar@...cinc.com>,
 Jeff Johnson <jeff.johnson@....qualcomm.com>,
 Johannes Berg <johannes@...solutions.net>, Jeff Johnson
 <jjohnson@...nel.org>, Aditya Kumar Singh <quic_adisi@...cinc.com>,
 linux-wireless@...r.kernel.org, ath12k@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH net] wifi: ath12k: properly set single_chip_mlo_supp to
 true in ath12k_core_alloc()

On 19/03/2025 12:25, Dmitry Baryshkov wrote:
> On Wed, Mar 19, 2025 at 11:29:18AM +0100, Krzysztof Kozlowski wrote:
>> On 19/03/2025 10:46, Baochen Qiang wrote:
>>>
>>>
>>> On 3/19/2025 5:12 PM, neil.armstrong@...aro.org wrote:
>>>> Hi,
>>>>
>>>> On 19/03/2025 10:06, Vasanthakumar Thiagarajan wrote:
>>>>>
>>>>>
>>>>> On 3/19/2025 1:34 PM, Neil Armstrong wrote:
>>>>>> On 18/03/2025 17:35, Jeff Johnson wrote:
>>>>>>> On 3/3/2025 7:00 AM, Neil Armstrong wrote:
>>>>>>>> In commit 46d16f7e1d14 ("wifi: ath12k: rename mlo_capable_flags to
>>>>>>>> single_chip_mlo_supp")
>>>>>>>> the line:
>>>>>>>>     ab->mlo_capable_flags = ATH12K_INTRA_DEVICE_MLO_SUPPORT;
>>>>>>>> was incorrectly updated to:
>>>>>>>>     ab->single_chip_mlo_supp = false;
>>>>>>>> leading to always disabling INTRA_DEVICE_MLO even if the device supports it.
>>>>>>>>
>>>>>>>> The firmware "WLAN.HMT.1.1.c5-00156-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1"
>>>>>>>> crashes on driver initialization with:
>>>>>>>>   ath12k_pci 0000:01:00.0: chip_id 0x2 chip_family 0x4 board_id 0x3d soc_id 0x40170200
>>>>>>>>   ath12k_pci 0000:01:00.0: fw_version 0x110f009c fw_build_timestamp 2024-05-30 11:35
>>>>>>>> fw_build_id QC_IMAGE_VERSION_STRING=WLAN.HMT.1.1.c5-00156-
>>>>>>>> QCAHMTSWPL_V1.0_V2.0_SILICONZ-1
>>>
>>> this FW version is not upstream yet, why are you testing with it?
>>>
>>> Generally we only support upstrmea driver + upstream FW.
>> FW does not have to be upstream. We work, here in upstream, with all
>> sort of vendors and all sorts of devices, for which vendors might not
>> send yet their FW or we are unclear about licensing rules.
> 
> If you are working with non-supported firmware, then, basically, you are
> on your own. I think you'd get the same response from any other vendor
> shipping firmware files. Consider reporting an issue to i915 or amdgpu
> driver _and_ stating that you are using some non-standard firmware files
> that were not provided to you by the corresponding team.


FW extracted from whatever-we-got-there is entire history of all WiFi
drivers... And no one asked here for support.


Best regards,
Krzysztof