Rakesh Pillai <pillair@xxxxxxxxxxxxxx> wrote: > WCN3990 sends mgmt frames by reference via WMI. > The host dma maps the mgmt frame and sends the physical > address to the firmware in the wmi command. Since the > dma mapping is done in the gen_mgmt_tx and if the wmi > command send fails, the corresponding mgmt frame is > not being dma unmapped. > > Fix the missing dma unmapping of mgmt tx frame when > wmi command sending fails for mgmt tx by reference > via WMI. The already exisiting mgmt tx using copy by > value does not need such dma unmapping. > Add a separate wmi-tlv op for mgmt tx via ref, which > takes care of unmapping the dma address, in case of > wmi command sending failure. > > Signed-off-by: Rakesh Pillai <pillair@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 38a1390e02b7 ath10k: dma unmap mgmt tx buffer if wmi cmd send fails -- https://patchwork.kernel.org/patch/10208681/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
