Commit 0afdeeed authored Jun 18, 2019 by Ilias Apalodimas Committed by David S. Miller Jun 19, 2019

net: page_pool: add helper function to retrieve dma addresses



On a previous patch dma addr was stored in 'struct page'.
Use that to retrieve DMA addresses used by network drivers

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 9371a56f

include/net/page_pool.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -132,6 +132,11 @@ static inline void page_pool_recycle_direct(struct page_pool *pool,
		__page_pool_put_page(pool, page, true);
		}

		static inline dma_addr_t page_pool_get_dma_addr(struct page *page)
		{
		return page->dma_addr;
		}

		static inline bool is_page_pool_compiled_in(void)
		{
		#ifdef CONFIG_PAGE_POOL

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