316 static inline unsigned int tbnet_frame_size(const struct tbnet_frame *tf)  in tbnet_frame_size()  argument
318 	return tf->frame.size ? : TBNET_FRAME_SIZE;  in tbnet_frame_size()
327 		struct tbnet_frame *tf = &ring->frames[i];  in tbnet_free_buffers()  local
332 		if (!tf->page)  in tbnet_free_buffers()
345 		if (tf->frame.buffer_phy)  in tbnet_free_buffers()
346 			dma_unmap_page(dma_dev, tf->frame.buffer_phy, size,  in tbnet_free_buffers()
349 		__free_pages(tf->page, order);  in tbnet_free_buffers()
350 		tf->page = NULL;  in tbnet_free_buffers()
474 		struct tbnet_frame *tf = &ring->frames[index];  in tbnet_alloc_rx_buffers()  local
477 		if (tf->page)  in tbnet_alloc_rx_buffers()
484 		tf->page = dev_alloc_pages(TBNET_RX_PAGE_ORDER);  in tbnet_alloc_rx_buffers()
485 		if (!tf->page) {  in tbnet_alloc_rx_buffers()
490 		dma_addr = dma_map_page(dma_dev, tf->page, 0,  in tbnet_alloc_rx_buffers()
497 		tf->frame.buffer_phy = dma_addr;  in tbnet_alloc_rx_buffers()
498 		tf->dev = net->dev;  in tbnet_alloc_rx_buffers()
500 		tb_ring_rx(ring->ring, &tf->frame);  in tbnet_alloc_rx_buffers()
516 	struct tbnet_frame *tf;  in tbnet_get_tx_buffer()  local
524 	tf = &ring->frames[index];  in tbnet_get_tx_buffer()
525 	tf->frame.size = 0;  in tbnet_get_tx_buffer()
527 	dma_sync_single_for_cpu(dma_dev, tf->frame.buffer_phy,  in tbnet_get_tx_buffer()
528 				tbnet_frame_size(tf), DMA_TO_DEVICE);  in tbnet_get_tx_buffer()
530 	return tf;  in tbnet_get_tx_buffer()
536 	struct tbnet_frame *tf = container_of(frame, typeof(*tf), frame);  in tbnet_tx_callback()  local
537 	struct tbnet *net = netdev_priv(tf->dev);  in tbnet_tx_callback()
553 		struct tbnet_frame *tf = &ring->frames[i];  in tbnet_alloc_tx_buffers()  local
556 		tf->page = alloc_page(GFP_KERNEL);  in tbnet_alloc_tx_buffers()
557 		if (!tf->page) {  in tbnet_alloc_tx_buffers()
562 		dma_addr = dma_map_page(dma_dev, tf->page, 0, TBNET_FRAME_SIZE,  in tbnet_alloc_tx_buffers()
565 			__free_page(tf->page);  in tbnet_alloc_tx_buffers()
566 			tf->page = NULL;  in tbnet_alloc_tx_buffers()
571 		tf->dev = net->dev;  in tbnet_alloc_tx_buffers()
572 		tf->frame.buffer_phy = dma_addr;  in tbnet_alloc_tx_buffers()
573 		tf->frame.callback = tbnet_tx_callback;  in tbnet_alloc_tx_buffers()
574 		tf->frame.sof = TBIP_PDF_FRAME_START;  in tbnet_alloc_tx_buffers()
575 		tf->frame.eof = TBIP_PDF_FRAME_END;  in tbnet_alloc_tx_buffers()
669 static bool tbnet_check_frame(struct tbnet *net, const struct tbnet_frame *tf,  in tbnet_check_frame()  argument
675 	if (tf->frame.flags & RING_DESC_CRC_ERROR) {  in tbnet_check_frame()
678 	} else if (tf->frame.flags & RING_DESC_BUFFER_OVERRUN) {  in tbnet_check_frame()
684 	size = tbnet_frame_size(tf);  in tbnet_check_frame()
752 		struct tbnet_frame *tf;  in tbnet_poll()  local
773 		tf = container_of(frame, typeof(*tf), frame);  in tbnet_poll()
775 		page = tf->page;  in tbnet_poll()
776 		tf->page = NULL;  in tbnet_poll()
781 		if (!tbnet_check_frame(net, tf, hdr)) {  in tbnet_poll()