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Subject: Re: [PATCH v2] ath11k: enable IEEE80211_VHT_EXT_NSS_BW_CAPABLE if NSS
 ratio enabled
From:   Kalle Valo <kvalo@codeaurora.org>
In-Reply-To: <20211013073704.15888-1-wgong@codeaurora.org>
References: <20211013073704.15888-1-wgong@codeaurora.org>
To:     Wen Gong <wgong@codeaurora.org>
Cc:     ath11k@lists.infradead.org, linux-wireless@vger.kernel.org,
        wgong@codeaurora.org
User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.7.3
Message-ID: <163696819170.13305.1691462288223846501.kvalo@codeaurora.org>
Date:   Mon, 15 Nov 2021 09:23:15 +0000 (UTC)
Precedence: bulk

Wen Gong <wgong@codeaurora.org> wrote:

> When NSS ratio enabled reported by firmware, SUPPORTS_VHT_EXT_NSS_BW
> is set in ath11k, meanwhile IEEE80211_VHT_EXT_NSS_BW_CAPABLE also
> need to be set, otherwise it is invalid because spec in IEEE Std
> 802.11™‐2020 as below.
> 
> Table 9-273-Supported VHT-MCS and NSS Set subfields, it has subfield
> VHT Extended NSS BW Capable, its definition is:
> Indicates whether the STA is capable of interpreting the Extended NSS
> BW Support subfield of the VHT Capabilities Information field.
> 
> dmesg have a message without this patch:
> 
> ieee80211 phy0: copying sband (band 1) due to VHT EXT NSS BW flag
> 
> It means mac80211 will set IEEE80211_VHT_EXT_NSS_BW_CAPABLE if ath11k not
> set it in ieee80211_register_hw(). So it is better to set it in ath11k.
> 
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
> 
> Signed-off-by: Wen Gong <wgong@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

78406044bdd0 ath11k: enable IEEE80211_VHT_EXT_NSS_BW_CAPABLE if NSS ratio enabled

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20211013073704.15888-1-wgong@codeaurora.org/

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