From: Kalle Valo <kvalo@codeaurora.org>
To: "Jonas Dreßler" <verdre@v0yd.nl>
Cc: "Amitkumar Karwar" <amitkarwar@gmail.com>,
"Ganapathi Bhat" <ganapathi017@gmail.com>,
"Xinming Hu" <huxinming820@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
"Jakub Kicinski" <kuba@kernel.org>,
"Jonas Dreßler" <verdre@v0yd.nl>,
"Tsuchiya Yuto" <kitakar@gmail.com>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Maximilian Luz" <luzmaximilian@gmail.com>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Pali Rohár" <pali@kernel.org>
Subject: Re: [PATCH] mwifiex: Ignore BTCOEX events from the 88W8897 firmware
Date: Fri, 26 Nov 2021 16:30:25 +0000 (UTC) [thread overview]
Message-ID: <163794421996.10370.7668732301973284317.kvalo@codeaurora.org> (raw)
In-Reply-To: <20211103205827.14559-1-verdre@v0yd.nl>
Jonas Dreßler <verdre@v0yd.nl> wrote:
> The firmware of the 88W8897 PCIe+USB card sends those events very
> unreliably, sometimes bluetooth together with 2.4ghz-wifi is used and no
> COEX event comes in, and sometimes bluetooth is disabled but the
> coexistance mode doesn't get disabled.
>
> This means we sometimes end up capping the rx/tx window size while
> bluetooth is not enabled anymore, artifically limiting wifi speeds even
> though bluetooth is not being used.
>
> Since we can't fix the firmware, let's just ignore those events on the
> 88W8897 device. From some Wireshark capture sessions it seems that the
> Windows driver also doesn't change the rx/tx window sizes when bluetooth
> gets enabled or disabled, so this is fairly consistent with the Windows
> driver.
>
> Signed-off-by: Jonas Dreßler <verdre@v0yd.nl>
Patch applied to wireless-drivers-next.git, thanks.
84d94e16efa2 mwifiex: Ignore BTCOEX events from the 88W8897 firmware
--
https://patchwork.kernel.org/project/linux-wireless/patch/20211103205827.14559-1-verdre@v0yd.nl/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
next prev parent reply other threads:[~2021-11-26 16:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-03 20:58 [PATCH] mwifiex: Ignore BTCOEX events from the 88W8897 firmware Jonas Dreßler
2021-11-26 16:30 ` Kalle Valo [this message]
2021-11-29 23:32 ` Bjorn Helgaas
2021-11-29 23:38 ` Bjorn Helgaas
2021-11-30 10:15 ` Jonas Dreßler
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