intel/idpf/idpf_txrx.h

76  * in the descriptor will be wrong. Any overwritten descriptors' buffers will
79  * still waiting for descriptor to be done, stalling forever.
174  * @td_cmd: Command field to be inserted into descriptor
192  * @dtype: General descriptor info
195  * @td_tag: Descriptor tunneling tag
227 /* The size limit for a transmit buffer in a descriptor is (16K - 1).
275  *		      identify new descriptor writebacks on the ring. HW sets
277  *		      descriptor. After the ring wraps, HW sets the gen bit of
283  *		      descriptor on the initial pass of the ring indicates a
477  * @rx: universal receive descriptor array
478  * @single_buf: buffer descriptor array in singleq
479  * @desc_ring: virtual descriptor ring address
490  * @rxdids: Supported RX descriptor ids
492  * @next_to_use: Next descriptor to use
493  * @next_to_clean: Next descriptor to clean
500  * @size: Length of descriptor ring in bytes
568  * @base_tx: base Tx descriptor array
569  * @base_ctx: base Tx context descriptor array
570  * @flex_tx: flex Tx descriptor array
571  * @flex_ctx: flex Tx context descriptor array
572  * @desc_ring: virtual descriptor ring address
584  *	descriptor ring size so that we can maintain roughly the same level
585  *	of "uniqueness" across all descriptor sizes. For example, if the
586  *	TXQ descriptor ring size is 64 (the minimum size supported), the
594  *	the TXQ descriptor ring size is 8160 (the maximum size supported),
603  * @next_to_use: Next descriptor to use
604  * @next_to_clean: Next descriptor to clean
623  * @size: Length of descriptor ring in bytes
687  * @split_buf: buffer descriptor array
695  * @next_to_use: Next descriptor to use
696  * @next_to_clean: Next descriptor to clean
701  * @size: Length of descriptor ring in bytes
746  * @comp: completion descriptor array
752  * @next_to_use: Next descriptor to use. Relevant in both split & single txq
754  * @next_to_clean: Next descriptor to clean
760  * @size: Length of descriptor ring in bytes
797  * @desc_count: Descriptor count
799  * @next_to_clean: Next descriptor to clean
933  * per descriptor due to hardware alignment restrictions (4K alignment).
966  * idpf_tx_splitq_build_desc - determine which type of data descriptor to build
967  * @desc: descriptor to populate
983  * idpf_vport_intr_set_wb_on_itr - enable descriptor writeback on disabled interrupts