1944 static bool ixgbe_can_reuse_rx_page(struct ixgbe_rx_buffer *rx_buffer,  in ixgbe_can_reuse_rx_page()  argument
1947 	unsigned int pagecnt_bias = rx_buffer->pagecnt_bias;  in ixgbe_can_reuse_rx_page()
1948 	struct page *page = rx_buffer->page;  in ixgbe_can_reuse_rx_page()
1966 	if (rx_buffer->page_offset > IXGBE_LAST_OFFSET)  in ixgbe_can_reuse_rx_page()
1976 		rx_buffer->pagecnt_bias = USHRT_MAX;  in ixgbe_can_reuse_rx_page()
1998 			      struct ixgbe_rx_buffer *rx_buffer,  in ixgbe_add_rx_frag()  argument
2009 	skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page,  in ixgbe_add_rx_frag()
2010 			rx_buffer->page_offset, size, truesize);  in ixgbe_add_rx_frag()
2012 	rx_buffer->page_offset ^= truesize;  in ixgbe_add_rx_frag()
2014 	rx_buffer->page_offset += truesize;  in ixgbe_add_rx_frag()
2024 	struct ixgbe_rx_buffer *rx_buffer;  in ixgbe_get_rx_buffer()  local
2026 	rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean];  in ixgbe_get_rx_buffer()
2029 		page_count(rx_buffer->page);  in ixgbe_get_rx_buffer()
2033 	prefetchw(rx_buffer->page);  in ixgbe_get_rx_buffer()
2034 	*skb = rx_buffer->skb;  in ixgbe_get_rx_buffer()
2050 				      rx_buffer->dma,  in ixgbe_get_rx_buffer()
2051 				      rx_buffer->page_offset,  in ixgbe_get_rx_buffer()
2055 	rx_buffer->pagecnt_bias--;  in ixgbe_get_rx_buffer()
2057 	return rx_buffer;  in ixgbe_get_rx_buffer()
2061 				struct ixgbe_rx_buffer *rx_buffer,  in ixgbe_put_rx_buffer()  argument
2065 	if (ixgbe_can_reuse_rx_page(rx_buffer, rx_buffer_pgcnt)) {  in ixgbe_put_rx_buffer()
2067 		ixgbe_reuse_rx_page(rx_ring, rx_buffer);  in ixgbe_put_rx_buffer()
2069 		if (!IS_ERR(skb) && IXGBE_CB(skb)->dma == rx_buffer->dma) {  in ixgbe_put_rx_buffer()
2074 			dma_unmap_page_attrs(rx_ring->dev, rx_buffer->dma,  in ixgbe_put_rx_buffer()
2079 		__page_frag_cache_drain(rx_buffer->page,  in ixgbe_put_rx_buffer()
2080 					rx_buffer->pagecnt_bias);  in ixgbe_put_rx_buffer()
2084 	rx_buffer->page = NULL;  in ixgbe_put_rx_buffer()
2085 	rx_buffer->skb = NULL;  in ixgbe_put_rx_buffer()
2089 					   struct ixgbe_rx_buffer *rx_buffer,  in ixgbe_construct_skb()  argument
2128 			IXGBE_CB(skb)->dma = rx_buffer->dma;  in ixgbe_construct_skb()
2130 		skb_add_rx_frag(skb, 0, rx_buffer->page,  in ixgbe_construct_skb()
2131 				xdp->data - page_address(rx_buffer->page),  in ixgbe_construct_skb()
2134 		rx_buffer->page_offset ^= truesize;  in ixgbe_construct_skb()
2136 		rx_buffer->page_offset += truesize;  in ixgbe_construct_skb()
2141 		rx_buffer->pagecnt_bias++;  in ixgbe_construct_skb()
2148 				       struct ixgbe_rx_buffer *rx_buffer,  in ixgbe_build_skb()  argument
2182 		IXGBE_CB(skb)->dma = rx_buffer->dma;  in ixgbe_build_skb()
2186 	rx_buffer->page_offset ^= truesize;  in ixgbe_build_skb()
2188 	rx_buffer->page_offset += truesize;  in ixgbe_build_skb()
2260 				 struct ixgbe_rx_buffer *rx_buffer,  in ixgbe_rx_buffer_flip()  argument
2265 	rx_buffer->page_offset ^= truesize;  in ixgbe_rx_buffer_flip()
2267 	rx_buffer->page_offset += truesize;  in ixgbe_rx_buffer_flip()
2307 		struct ixgbe_rx_buffer *rx_buffer;  in ixgbe_clean_rx_irq()  local
2329 		rx_buffer = ixgbe_get_rx_buffer(rx_ring, rx_desc, &skb, size, &rx_buffer_pgcnt);  in ixgbe_clean_rx_irq()
2335 			hard_start = page_address(rx_buffer->page) +  in ixgbe_clean_rx_irq()
2336 				     rx_buffer->page_offset - offset;  in ixgbe_clean_rx_irq()
2350 				ixgbe_rx_buffer_flip(rx_ring, rx_buffer, size);  in ixgbe_clean_rx_irq()
2352 				rx_buffer->pagecnt_bias++;  in ixgbe_clean_rx_irq()
2357 			ixgbe_add_rx_frag(rx_ring, rx_buffer, skb, size);  in ixgbe_clean_rx_irq()
2359 			skb = ixgbe_build_skb(rx_ring, rx_buffer,  in ixgbe_clean_rx_irq()
2362 			skb = ixgbe_construct_skb(rx_ring, rx_buffer,  in ixgbe_clean_rx_irq()
2369 			rx_buffer->pagecnt_bias++;  in ixgbe_clean_rx_irq()
2373 		ixgbe_put_rx_buffer(rx_ring, rx_buffer, skb, rx_buffer_pgcnt);  in ixgbe_clean_rx_irq()
5293 	struct ixgbe_rx_buffer *rx_buffer = &rx_ring->rx_buffer_info[i];  in ixgbe_clean_rx_ring()  local
5302 		if (rx_buffer->skb) {  in ixgbe_clean_rx_ring()
5303 			struct sk_buff *skb = rx_buffer->skb;  in ixgbe_clean_rx_ring()
5317 					      rx_buffer->dma,  in ixgbe_clean_rx_ring()
5318 					      rx_buffer->page_offset,  in ixgbe_clean_rx_ring()
5323 		dma_unmap_page_attrs(rx_ring->dev, rx_buffer->dma,  in ixgbe_clean_rx_ring()
5327 		__page_frag_cache_drain(rx_buffer->page,  in ixgbe_clean_rx_ring()
5328 					rx_buffer->pagecnt_bias);  in ixgbe_clean_rx_ring()
5331 		rx_buffer++;  in ixgbe_clean_rx_ring()
5334 			rx_buffer = rx_ring->rx_buffer_info;  in ixgbe_clean_rx_ring()