Wen Gong <wgong@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
