From: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
To: Loic Poulain <loic.poulain@oss.qualcomm.com>, jjohnson@kernel.org
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org,
alexey.klimov@linaro.org, johannes@sipsolutions.net
Subject: Re: [PATCH ath-current v2] wifi: ath10k: Fix connection after GTK rekeying
Date: Thu, 18 Sep 2025 10:58:30 +0530 [thread overview]
Message-ID: <d97cd03e-293d-91e3-ba30-a7015e14fed2@oss.qualcomm.com> (raw)
In-Reply-To: <20250902143225.837487-1-loic.poulain@oss.qualcomm.com>
On 9/2/2025 8:02 PM, Loic Poulain wrote:
> It appears that not all hardware/firmware implementations support
> group key deletion correctly, which can lead to connection hangs
> and deauthentication following GTK rekeying (delete and install).
>
> To avoid this issue, instead of attempting to delete the key using
> the special WMI_CIPHER_NONE value, we now replace the key with an
> invalid (random) value.
>
> This behavior has been observed with WCN39xx chipsets.
>
> Tested-on: WCN3990 hw1.0 WLAN.HL.3.3.7.c2-00931-QCAHLSWMTPLZ-1
> Reported-by: "Alexey Klimov" <alexey.klimov@linaro.org>
> Closes: https://lore.kernel.org/all/DAWJQ2NIKY28.1XOG35E4A682G@linaro.org
> Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
next prev parent reply other threads:[~2025-09-18 5:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-02 14:32 [PATCH ath-current v2] wifi: ath10k: Fix connection after GTK rekeying Loic Poulain
2025-09-09 21:17 ` Alexey Klimov
2025-09-18 5:28 ` Vasanthakumar Thiagarajan [this message]
2025-09-18 7:15 ` Baochen Qiang
2025-09-18 23:47 ` Jeff Johnson
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