317 static inline unsigned int tbnet_frame_size(const struct tbnet_frame *tf)  in tbnet_frame_size()  argument
319 	return tf->frame.size ? : TBNET_FRAME_SIZE;  in tbnet_frame_size()
328 		struct tbnet_frame *tf = &ring->frames[i];  in tbnet_free_buffers()  local
333 		if (!tf->page)  in tbnet_free_buffers()
346 		if (tf->frame.buffer_phy)  in tbnet_free_buffers()
347 			dma_unmap_page(dma_dev, tf->frame.buffer_phy, size,  in tbnet_free_buffers()
350 		__free_pages(tf->page, order);  in tbnet_free_buffers()
351 		tf->page = NULL;  in tbnet_free_buffers()
483 		struct tbnet_frame *tf = &ring->frames[index];  in tbnet_alloc_rx_buffers()  local
486 		if (tf->page)  in tbnet_alloc_rx_buffers()
493 		tf->page = dev_alloc_pages(TBNET_RX_PAGE_ORDER);  in tbnet_alloc_rx_buffers()
494 		if (!tf->page) {  in tbnet_alloc_rx_buffers()
499 		dma_addr = dma_map_page(dma_dev, tf->page, 0,  in tbnet_alloc_rx_buffers()
506 		tf->frame.buffer_phy = dma_addr;  in tbnet_alloc_rx_buffers()
507 		tf->dev = net->dev;  in tbnet_alloc_rx_buffers()
509 		tb_ring_rx(ring->ring, &tf->frame);  in tbnet_alloc_rx_buffers()
525 	struct tbnet_frame *tf;  in tbnet_get_tx_buffer()  local
533 	tf = &ring->frames[index];  in tbnet_get_tx_buffer()
534 	tf->frame.size = 0;  in tbnet_get_tx_buffer()
536 	dma_sync_single_for_cpu(dma_dev, tf->frame.buffer_phy,  in tbnet_get_tx_buffer()
537 				tbnet_frame_size(tf), DMA_TO_DEVICE);  in tbnet_get_tx_buffer()
539 	return tf;  in tbnet_get_tx_buffer()
545 	struct tbnet_frame *tf = container_of(frame, typeof(*tf), frame);  in tbnet_tx_callback()  local
546 	struct tbnet *net = netdev_priv(tf->dev);  in tbnet_tx_callback()
562 		struct tbnet_frame *tf = &ring->frames[i];  in tbnet_alloc_tx_buffers()  local
565 		tf->page = alloc_page(GFP_KERNEL);  in tbnet_alloc_tx_buffers()
566 		if (!tf->page) {  in tbnet_alloc_tx_buffers()
571 		dma_addr = dma_map_page(dma_dev, tf->page, 0, TBNET_FRAME_SIZE,  in tbnet_alloc_tx_buffers()
574 			__free_page(tf->page);  in tbnet_alloc_tx_buffers()
575 			tf->page = NULL;  in tbnet_alloc_tx_buffers()
580 		tf->dev = net->dev;  in tbnet_alloc_tx_buffers()
581 		tf->frame.buffer_phy = dma_addr;  in tbnet_alloc_tx_buffers()
582 		tf->frame.callback = tbnet_tx_callback;  in tbnet_alloc_tx_buffers()
583 		tf->frame.sof = TBIP_PDF_FRAME_START;  in tbnet_alloc_tx_buffers()
584 		tf->frame.eof = TBIP_PDF_FRAME_END;  in tbnet_alloc_tx_buffers()
685 static bool tbnet_check_frame(struct tbnet *net, const struct tbnet_frame *tf,  in tbnet_check_frame()  argument
691 	if (tf->frame.flags & RING_DESC_CRC_ERROR) {  in tbnet_check_frame()
694 	} else if (tf->frame.flags & RING_DESC_BUFFER_OVERRUN) {  in tbnet_check_frame()
700 	size = tbnet_frame_size(tf);  in tbnet_check_frame()
768 		struct tbnet_frame *tf;  in tbnet_poll()  local
789 		tf = container_of(frame, typeof(*tf), frame);  in tbnet_poll()
791 		page = tf->page;  in tbnet_poll()
792 		tf->page = NULL;  in tbnet_poll()
797 		if (!tbnet_check_frame(net, tf, hdr)) {  in tbnet_poll()