329 static inline unsigned int tbnet_frame_size(const struct tbnet_frame *tf)  in tbnet_frame_size()  argument
331 	return tf->frame.size ? : TBNET_FRAME_SIZE;  in tbnet_frame_size()
340 		struct tbnet_frame *tf = &ring->frames[i];  in tbnet_free_buffers()  local
345 		if (!tf->page)  in tbnet_free_buffers()
358 		trace_tbnet_free_frame(i, tf->page, tf->frame.buffer_phy, dir);  in tbnet_free_buffers()
360 		if (tf->frame.buffer_phy)  in tbnet_free_buffers()
361 			dma_unmap_page(dma_dev, tf->frame.buffer_phy, size,  in tbnet_free_buffers()
364 		__free_pages(tf->page, order);  in tbnet_free_buffers()
365 		tf->page = NULL;  in tbnet_free_buffers()
507 		struct tbnet_frame *tf = &ring->frames[index];  in tbnet_alloc_rx_buffers()  local
510 		if (tf->page)  in tbnet_alloc_rx_buffers()
517 		tf->page = dev_alloc_pages(TBNET_RX_PAGE_ORDER);  in tbnet_alloc_rx_buffers()
518 		if (!tf->page) {  in tbnet_alloc_rx_buffers()
523 		dma_addr = dma_map_page(dma_dev, tf->page, 0,  in tbnet_alloc_rx_buffers()
530 		tf->frame.buffer_phy = dma_addr;  in tbnet_alloc_rx_buffers()
531 		tf->dev = net->dev;  in tbnet_alloc_rx_buffers()
533 		trace_tbnet_alloc_rx_frame(index, tf->page, dma_addr,  in tbnet_alloc_rx_buffers()
536 		tb_ring_rx(ring->ring, &tf->frame);  in tbnet_alloc_rx_buffers()
552 	struct tbnet_frame *tf;  in tbnet_get_tx_buffer()  local
560 	tf = &ring->frames[index];  in tbnet_get_tx_buffer()
561 	tf->frame.size = 0;  in tbnet_get_tx_buffer()
563 	dma_sync_single_for_cpu(dma_dev, tf->frame.buffer_phy,  in tbnet_get_tx_buffer()
564 				tbnet_frame_size(tf), DMA_TO_DEVICE);  in tbnet_get_tx_buffer()
566 	return tf;  in tbnet_get_tx_buffer()
572 	struct tbnet_frame *tf = container_of(frame, typeof(*tf), frame);  in tbnet_tx_callback()  local
573 	struct tbnet *net = netdev_priv(tf->dev);  in tbnet_tx_callback()
589 		struct tbnet_frame *tf = &ring->frames[i];  in tbnet_alloc_tx_buffers()  local
592 		tf->page = alloc_page(GFP_KERNEL);  in tbnet_alloc_tx_buffers()
593 		if (!tf->page) {  in tbnet_alloc_tx_buffers()
598 		dma_addr = dma_map_page(dma_dev, tf->page, 0, TBNET_FRAME_SIZE,  in tbnet_alloc_tx_buffers()
601 			__free_page(tf->page);  in tbnet_alloc_tx_buffers()
602 			tf->page = NULL;  in tbnet_alloc_tx_buffers()
607 		tf->dev = net->dev;  in tbnet_alloc_tx_buffers()
608 		tf->frame.buffer_phy = dma_addr;  in tbnet_alloc_tx_buffers()
609 		tf->frame.callback = tbnet_tx_callback;  in tbnet_alloc_tx_buffers()
610 		tf->frame.sof = TBIP_PDF_FRAME_START;  in tbnet_alloc_tx_buffers()
611 		tf->frame.eof = TBIP_PDF_FRAME_END;  in tbnet_alloc_tx_buffers()
613 		trace_tbnet_alloc_tx_frame(i, tf->page, dma_addr, DMA_TO_DEVICE);  in tbnet_alloc_tx_buffers()
731 static bool tbnet_check_frame(struct tbnet *net, const struct tbnet_frame *tf,  in tbnet_check_frame()  argument
737 	if (tf->frame.flags & RING_DESC_CRC_ERROR) {  in tbnet_check_frame()
740 	} else if (tf->frame.flags & RING_DESC_BUFFER_OVERRUN) {  in tbnet_check_frame()
746 	size = tbnet_frame_size(tf);  in tbnet_check_frame()
814 		struct tbnet_frame *tf;  in tbnet_poll()  local
835 		tf = container_of(frame, typeof(*tf), frame);  in tbnet_poll()
837 		page = tf->page;  in tbnet_poll()
838 		tf->page = NULL;  in tbnet_poll()
843 		if (!tbnet_check_frame(net, tf, hdr)) {  in tbnet_poll()