[PATCH v2 2/4] wifi: ath11k: push MU-MIMO params from hostapd to hardware

[Kalle Valo]

Kalle Valo <kvalo at kernel.org> writes:

> "Muna Sinada (QUIC)" <quic_msinada at quicinc.com> writes:
>
>> Muna Sinada <quic_msinada at quicinc.com> writes:
>>> Kalle Valo <kvalo at kernel.org> writes:
>>>> Robert Marko <robert.marko at sartura.hr> writes:
>>>>
>>>>> On Wed, Mar 29, 2023 at 11:45 AM Kalle Valo <kvalo at kernel.org> wrote:
>>>>>
>>>>>> >> @@ -5369,6 +5491,10 @@ static int ath11k_mac_copy_he_cap(struct 
>>>>>> >> ath11k *ar,
>>>>>> >>
>>>>>> >>                 he_cap_elem->mac_cap_info[1] &=
>>>>>> >>                         
>>>>>> >> IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK;
>>>>>> >> +               he_cap_elem->phy_cap_info[0] &=
>>>>>> >> + ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
>>>>>> >> +               he_cap_elem->phy_cap_info[0] &=
>>>>>> >> +                       
>>>>>> >> + ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
>>>>>> >
>>>>>> > This is causing a regression for us in OpenWrt at least on IPQ8074 
>>>>>> > but probably on all ath11k-supported HW. Cause 80+80 and 160MHz 
>>>>>> > support bits are being cleared here so 160MHz is not being 
>>>>>> > advertised after this patch.
>>>>>>
>>>>>> Oh man, not good. Robert, should we revert this patchset entirely? 
>>>>>> Of course it would be better if Muna can submit quickly a fix, but 
>>>>>> I'm not going to wait for long.
>>>>>
>>>>> I would prefer to see it get fixed, cause just removing the flag 
>>>>> removal gets 160MHz working, but I am not sure about other flags as 
>>>>> well.
>>>>
>>>> Ok, let's try to get it fixed then. Muna, can you comment and send a 
>>>> fix ASAP?
>>>
>>>No reply from Muna. I'll try the new bugbot to open a bug for this regression:
>>>
>>>bugbot on
>>
>> I have created fix, tested it and pushed internally for review.
>>
>> @Kalle, how do I go about continuing the conversation on Bugzilla?
>
> Better to continue the discussion on the list. I only created the bug on
> Bugzilla so that I don't forget this as I didn't hear anything from you.

Muna now submitted a fix:

https://patchwork.kernel.org/project/linux-wireless/patch/1681762947-13882-1-git-send-email-quic_msinada@quicinc.com/

Robert, can you please check it? And if it works a Tested-by would be
nice.

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