Re: Firmware 4 vs Firmware 6 for QCA6174 hw3.0

2022-06-08 Thread Kalle Valo
Nicolò Sprea  writes:

> # Using:
> driver: ath10k_pci
> version: 4.15.0-38-generic
> firmware-version: WLAN.RM.4.4.1-00079-QCARMSWPZ-1
>
> # Problem:
> When wpa_supplicant re-associates, I get the following issue:
> ath10k_pci :02:00.0: failed to flush transmit queue (skip 0 ar-state 1): 0
> and all the interfaces (including loopback) "freeze" for a few seconds.
>
> # Solutions:
> 1. using firmware version WLAN.RM.2.0-00180-QCARMSWPZ-1
> 2. backporting driver

v4.15 was released four years ago so for us it's ancient. I recommend
updating the kernel or using backports project:

https://backports.wiki.kernel.org/index.php/Main_Page

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Re: Firmware 4 vs Firmware 6 for QCA6174 hw3.0

2022-06-08 Thread Nicolò Sprea
# Using:
driver: ath10k_pci
version: 4.15.0-38-generic
firmware-version: WLAN.RM.4.4.1-00079-QCARMSWPZ-1

# Problem:
When wpa_supplicant re-associates, I get the following issue:
ath10k_pci :02:00.0: failed to flush transmit queue (skip 0 ar-state 1): 0
and all the interfaces (including loopback) "freeze" for a few seconds.

# Solutions:
1. using firmware version WLAN.RM.2.0-00180-QCARMSWPZ-1
2. backporting driver

# My question:
What are the missing features/known bugs of WLAN.RM.2.0-00180-QCARMSWPZ-1?

On Wed, Jun 8, 2022 at 9:43 AM Kalle Valo  wrote:
>
> Nicolò Sprea  writes:
>
> > Thanks for the answer.
> > Is there any feature that uses only api 6?
> > If I want to downgrade to api 4, is there anything that I should pay
> > attention to?
>
> The interface number itself does not change any functionality, what
> matters are the actual firmware release versions. And of course older
> firmware releases have more bugs and less features. It would be easier
> for people to help if you describe what's the actual problem you are
> trying to solve.
>
> --
> https://patchwork.kernel.org/project/linux-wireless/list/
>
> https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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Re: Firmware 4 vs Firmware 6 for QCA6174 hw3.0

2022-06-08 Thread Nicolò Sprea
Thanks for the answer.
Is there any feature that uses only api 6?
If I want to downgrade to api 4, is there anything that I should pay
attention to?

On Wed, Jun 8, 2022 at 8:35 AM Kalle Valo  wrote:
>
> Nicolò Sprea  writes:
>
> > What are the differences between firmware 4 and firmware 6 for QCA6174
> > hw3.0?
>
> They are just different firmware interface versions to maintain
> backwards compatibility:
>
> https://wireless.wiki.kernel.org/en/users/drivers/ath10k/firmware#firmware_api_versions
>
> The actual firmware versions are strings like 
> 'WLAN.RM.4.4.1-00288-QCARMSWPZ-1'.
>
> https://github.com/kvalo/ath10k-firmware/tree/master/QCA6174/hw3.0/4.4.1
>
> > Is there a release note?
>
> If you are asking releases notes for firmware releases, unfortunately no.
>
> --
> https://patchwork.kernel.org/project/linux-wireless/list/
>
> https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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Re: Firmware 4 vs Firmware 6 for QCA6174 hw3.0

2022-06-08 Thread Kalle Valo
Nicolò Sprea  writes:

> What are the differences between firmware 4 and firmware 6 for QCA6174
> hw3.0?

They are just different firmware interface versions to maintain
backwards compatibility:

https://wireless.wiki.kernel.org/en/users/drivers/ath10k/firmware#firmware_api_versions

The actual firmware versions are strings like 'WLAN.RM.4.4.1-00288-QCARMSWPZ-1'.

https://github.com/kvalo/ath10k-firmware/tree/master/QCA6174/hw3.0/4.4.1

> Is there a release note?

If you are asking releases notes for firmware releases, unfortunately no.

-- 
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https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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Firmware 4 vs Firmware 6 for QCA6174 hw3.0

2022-06-08 Thread Nicolò Sprea
Hi,
What are the differences between firmware 4 and firmware 6 for QCA6174 hw3.0?
Is there a release note?

Regards,
nsprea

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