Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: Re: [PATCH] ath11k: enable IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS for
 WCN6855
From:   Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20211129101309.2931-1-quic_wgong@quicinc.com>
References: <20211129101309.2931-1-quic_wgong@quicinc.com>
To:     Wen Gong <quic_wgong@quicinc.com>
Cc:     <ath11k@lists.infradead.org>, <linux-wireless@vger.kernel.org>,
        <quic_wgong@quicinc.com>
User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.7.3
Message-ID: <163895135713.29041.4980786229647025244.kvalo@kernel.org>
Date:   Wed,  8 Dec 2021 08:16:01 +0000 (UTC)
Precedence: bulk

Wen Gong <quic_wgong@quicinc.com> wrote:

> Currently mac80211 will send 3 scan request for each scan of WCN6855,
> they are 2.4 GHz/5 GHz/6 GHz band scan. Firmware of WCN6855 will
> cache the RNR IE(Reduced Neighbor Report element) which exist in the
> beacon of 2.4 GHz/5 GHz of the AP which is co-located with 6 GHz,
> and then use the cache to scan in 6 GHz band scan if the 6 GHz scan
> is in the same scan with the 2.4 GHz/5 GHz band, this will helpful to
> search more AP of 6 GHz. Also it will decrease the time cost of scan
> because firmware will use dual-band scan for the 2.4 GHz/5 GHz, it
> means the 2.4 GHz and 5 GHz scans are doing simultaneously.
> 
> Set the flag IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS for WCN6855 since
> it supports 2.4 GHz/5 GHz/6 GHz and it is single pdev which means
> all the 2.4 GHz/5 GHz/6 GHz exist in the same wiphy/ieee80211_hw.
> 
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
> 
> Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>

Sven, after your memory corruption fix is this good to take?

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20211129101309.2931-1-quic_wgong@quicinc.com/

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