SPRUIV7C May 2022 – November 2025 AM620-Q1 , AM623 , AM625 , AM625-Q1 , AM625SIP
Free descriptor/buffer queues pass an empty list of pre-chained descriptors, each pointing to a single buffer, from SW to the DMA to use for receiving incoming packets. Free Descriptor/Buffer Queues are implemented as the forward queue on the shared ring structure for an Rx flow.