On 1/10/2024 8:50 PM, Sriram R wrote: > When multiple radios are advertised as a single wiphy which > supports various bands, a default scan request to mac80211 > from cfg80211 will split the driver request based on band, > so each request will have channels belonging to the same band. > With this supported by default, the ath12k driver on receiving > this request checks for one of the channels in the request and > selects the corresponding radio(ar) on which the scan is going > to be performed and creates a vdev on that radio. > > Note that on scan completion this vdev is not deleted. If a new > scan request is seen on that same vif for a different band the > vdev will be deleted and created on the new radio supporting the > request. The vdev delete logic is refactored to have this done > dynamically. > > The reason for not deleting the vdev on scan stop is to avoid > repeated delete-create sequence if the scan is on the same band. > Also, during channel assign, new vdev creation can be optimized > as well. > > Also if the scan is requested when the vdev is in started state, > no switching to new radio is allowed and scan on channels only > within same radio is allowed. > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 > Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 > > Signed-off-by: Sriram R <quic_srirrama@xxxxxxxxxxx> Acked-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>
