Harshitha Prem <quic_hprem@xxxxxxxxxxx> wrote: > When underlying hardware supports more than one band, then wiphy > is aware of all the frequency bands present. Example, say > wiphy0 is aware of 2 GHz, 5 GHz and 6 GHz band information. > Hence, when an virtual AP interface is brought up in auto channel > selection on each band. Survey is initiated from the userspace application > for all the virtual AP interfaces simultaneously. > > For survey dump collection, freq_to_idx() api is used to map the index of > particular frequency to populate its survey. When the dump was collected, > the index fetched was incorrect. Example, in case of multi-hardware, > the index of channel 36 was reported as 14, because wiphy0 had index 0-13 > for 2 GHz channels, instead of 0 for that ar which resulted in invalid > survey sent to userspace application. > > The incorrect index was because of the mapping did not consider whether > the freq band is present in its radio structure (ar) or not. > > To handle this, the freq_to_idx() api should map index for the > particular band in the ar structure. > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Harshitha Prem <quic_hprem@xxxxxxxxxxx> > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 25d165c49802 wifi: ath12k: incorrect channel survey dump -- https://patchwork.kernel.org/project/linux-wireless/patch/20230320091208.25535-1-quic_hprem@xxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
