Wen Gong <quic_wgong@xxxxxxxxxxx> wrote: > Currently mac80211 will send 3 scan request for each scan of WCN7850, they > are 2.4 GHz/5 GHz/6 GHz band scan. Firmware of WCN7850 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 WCN7850 since it > supports 2.4 GHz/5 GHz/6 GHz in a single wiphy/ieee80211_hw. > > This does not impact QCN9274, because it is not single_phy, so does not > have 2.4 GHz/5 GHz/6 GHz in the same wiphy, then it does not match the > condition and then IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS will not set for > QCN9274. > > Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 > > Signed-off-by: Wen Gong <quic_wgong@xxxxxxxxxxx> > Acked-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx> > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. a1e09eb35476 wifi: ath12k: enable IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS for WCN7850 -- https://patchwork.kernel.org/project/linux-wireless/patch/20230913105507.17675-1-quic_wgong@xxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
