Wen Gong <quic_wgong@xxxxxxxxxxx> 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@xxxxxxxxxxx> > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> Sven, after your memory corruption fix is this good to take? -- https://patchwork.kernel.org/project/linux-wireless/patch/20211129101309.2931-1-quic_wgong@xxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
