Messages in this thread Patch in this message | | | From | Ivan Khoronzhuk <> | Subject | [PATCH v2 net-next 1/7] net: page_pool: add helper function to retrieve dma addresses | Date | Thu, 30 May 2019 21:20:33 +0300 |
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From: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> --- include/net/page_pool.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/include/net/page_pool.h b/include/net/page_pool.h index 694d055e01ef..b885d86cb7a1 100644 --- a/include/net/page_pool.h +++ b/include/net/page_pool.h @@ -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 -- 2.17.1
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