amazon/ena/ena_com.c

349 			ena_dev->llq_info.desc_list_entry_size;
370 		memcpy(&io_sq->llq_info, &ena_dev->llq_info,
371 		       sizeof(io_sq->llq_info));
377 		       0x0, io_sq->llq_info.desc_list_entry_size);
379 			io_sq->llq_info.descs_num_before_header;
381 			io_sq->llq_info.disable_meta_caching;
383 		if (io_sq->llq_info.max_entries_in_tx_burst > 0)
385 				io_sq->llq_info.max_entries_in_tx_burst;
595 	struct ena_com_llq_info *llq_info = &ena_dev->llq_info;
604 	cmd.u.llq.header_location_ctrl_enabled = llq_info->header_location_ctrl;
605 	cmd.u.llq.entry_size_ctrl_enabled = llq_info->desc_list_entry_size_ctrl;
606 	cmd.u.llq.desc_num_before_header_enabled = llq_info->descs_num_before_header;
607 	cmd.u.llq.descriptors_stride_ctrl_enabled = llq_info->desc_stride_ctrl;
629 	struct ena_com_llq_info *llq_info = &ena_dev->llq_info;
634 	memset(llq_info, 0, sizeof(*llq_info));
639 		llq_info->header_location_ctrl =
647 	if (likely(llq_info->header_location_ctrl == ENA_ADMIN_INLINE_HEADER)) {
650 			llq_info->desc_stride_ctrl = llq_default_cfg->llq_stride_ctrl;
653 				llq_info->desc_stride_ctrl = ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY;
655 				llq_info->desc_stride_ctrl = ENA_ADMIN_SINGLE_DESC_PER_ENTRY;
666 				   llq_info->desc_stride_ctrl);
669 		llq_info->desc_stride_ctrl = 0;
674 		llq_info->desc_list_entry_size_ctrl = llq_default_cfg->llq_ring_entry_size;
675 		llq_info->desc_list_entry_size = llq_default_cfg->llq_ring_entry_size_value;
678 			llq_info->desc_list_entry_size_ctrl = ENA_ADMIN_LIST_ENTRY_SIZE_128B;
679 			llq_info->desc_list_entry_size = 128;
681 			llq_info->desc_list_entry_size_ctrl = ENA_ADMIN_LIST_ENTRY_SIZE_192B;
682 			llq_info->desc_list_entry_size = 192;
684 			llq_info->desc_list_entry_size_ctrl = ENA_ADMIN_LIST_ENTRY_SIZE_256B;
685 			llq_info->desc_list_entry_size = 256;
695 			   llq_info->desc_list_entry_size);
697 	if (unlikely(llq_info->desc_list_entry_size & 0x7)) {
702 			   llq_info->desc_list_entry_size);
706 	if (llq_info->desc_stride_ctrl == ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY)
707 		llq_info->descs_per_entry = llq_info->desc_list_entry_size /
710 		llq_info->descs_per_entry = 1;
714 		llq_info->descs_num_before_header = llq_default_cfg->llq_num_decs_before_header;
717 			llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_2;
719 			llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_1;
721 			llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_4;
723 			llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_8;
734 			   llq_info->descs_num_before_header);
739 	llq_info->disable_meta_caching =
744 		llq_info->max_entries_in_tx_burst =
2879 	struct ena_com_llq_info *llq_info = &ena_dev->llq_info;
2891 	ena_dev->tx_max_header_size = llq_info->desc_list_entry_size -
2892 		(llq_info->descs_num_before_header * sizeof(struct ena_eth_io_tx_desc));