linux-kernel - Re: [1/5] wifi: wilc1000: set preamble size to auto as default in wilc_init_fw

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Date: Mon, 12 Feb 2024 15:36:49 +0000 (UTC)
From: Kalle Valo <kvalo@...nel.org>
To: Alexis Lothoré <alexis.lothore@...tlin.com>
Cc: linux-wireless@...r.kernel.org, Ajay Singh <ajay.kathat@...rochip.com>,
 Claudiu Beznea <claudiu.beznea@...on.dev>,
 David Mosberger-Tang <davidm@...uge.net>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 linux-kernel@...r.kernel.org,
 Alexis Lothoré <alexis.lothore@...tlin.com>
Subject: Re: [1/5] wifi: wilc1000: set preamble size to auto as default in
 wilc_init_fw_config()

Alexis Lothoré <alexis.lothore@...tlin.com> wrote:

> From: Ajay Singh <ajay.kathat@...rochip.com>
> 
> WILC driver currently applies some default configuration whenever the firmware
> is initialized, and sets the default preamble size to short. However, despite
> this passed option, firmware is also able to successfully connect to access
> points only using long preamble, so this setting does not really enforce short
> preambles and is misleading regarding applied configuration.
> 
> Update default configuration and make it match the firmware behavior by passing
> the existing WILC_FW_PREAMBLE_AUTO value (2 instead of 0). The updated setting
> does not really alter firmware behavior since it is still capable to connect to
> both short preamble and long preamble access points, but at list the setting now
> expresses for real the corresponding firmware behavior.
> 
> More info: it has been implemented to address the transmission (Tx) blackout
> issue observed in the 802.11b mode. The modification has no impact on the other
> modes, which will continue to work as they did in the previous implementation.
> This change will allow the 802.11b transmission (2, 5.5, 11Mbps) to use long
> preamble.
> 
> 
> Signed-off-by: Ajay Singh <ajay.kathat@...rochip.com>
> Signed-off-by: Alexis Lothoré <alexis.lothore@...tlin.com>

Patch applied to wireless-next.git, thanks.

a8e5fefa9123 wifi: wilc1000: set preamble size to auto as default in wilc_init_fw_config()

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20240115-wilc_1000_fixes-v1-1-54d29463a738@bootlin.com/

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