wangxun/libwx/wx_lib.c

711 	struct wx_tx_buffer *tx_buffer;
717 	tx_buffer = &tx_ring->tx_buffer_info[i];
722 		union wx_tx_desc *eop_desc = tx_buffer->next_to_watch;
736 		tx_buffer->next_to_watch = NULL;
739 		total_bytes += tx_buffer->bytecount;
740 		total_packets += tx_buffer->gso_segs;
743 		napi_consume_skb(tx_buffer->skb, napi_budget);
747 				 dma_unmap_addr(tx_buffer, dma),
748 				 dma_unmap_len(tx_buffer, len),
751 		/* clear tx_buffer data */
752 		dma_unmap_len_set(tx_buffer, len, 0);
756 			tx_buffer++;
761 				tx_buffer = tx_ring->tx_buffer_info;
766 			if (dma_unmap_len(tx_buffer, len)) {
768 					       dma_unmap_addr(tx_buffer, dma),
769 					       dma_unmap_len(tx_buffer, len),
771 				dma_unmap_len_set(tx_buffer, len, 0);
776 		tx_buffer++;
781 			tx_buffer = tx_ring->tx_buffer_info;
942 	struct wx_tx_buffer *tx_buffer;
959 	tx_buffer = first;
966 		dma_unmap_len_set(tx_buffer, len, size);
967 		dma_unmap_addr_set(tx_buffer, dma, dma);
1009 		tx_buffer = &tx_ring->tx_buffer_info[i];
1049 		tx_buffer = &tx_ring->tx_buffer_info[i];
1050 		if (dma_unmap_len(tx_buffer, len))
1052 				       dma_unmap_addr(tx_buffer, dma),
1053 				       dma_unmap_len(tx_buffer, len),
1055 		dma_unmap_len_set(tx_buffer, len, 0);
1056 		if (tx_buffer == first)
2282 	struct wx_tx_buffer *tx_buffer;
2285 	tx_buffer = &tx_ring->tx_buffer_info[i];
2291 		dev_kfree_skb_any(tx_buffer->skb);
2295 				 dma_unmap_addr(tx_buffer, dma),
2296 				 dma_unmap_len(tx_buffer, len),
2300 		eop_desc = tx_buffer->next_to_watch;
2305 			tx_buffer++;
2310 				tx_buffer = tx_ring->tx_buffer_info;
2315 			if (dma_unmap_len(tx_buffer, len))
2317 					       dma_unmap_addr(tx_buffer, dma),
2318 					       dma_unmap_len(tx_buffer, len),
2323 		tx_buffer++;
2327 			tx_buffer = tx_ring->tx_buffer_info;