Since the dma direction is stored in page pool params, offer an API
helper for driver that choose not to keep track of it locally
Signed-off-by: Ilias Apalodimas <ilias.apalodi...@linaro.org>
Acked-by: Jesper Dangaard Brouer <bro...@redhat.com>
---
include/net/page_pool.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index f07c518ef8a5..ee9c871d2043 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -112,6 +112,15 @@ static inline struct page
*page_pool_dev_alloc_pages(struct page_pool *pool)
return page_pool_alloc_pages(pool, gfp);
}
+/* get the stored dma direction. A driver might decide to treat this locally
and
+ * avoid the extra cache line from page_pool to determine the direction
+ */
+static
+inline enum dma_data_direction page_pool_get_dma_dir(struct page_pool *pool)
+{
+ return pool->p.dma_dir;
+}
+
struct page_pool *page_pool_create(const struct page_pool_params *params);
void __page_pool_free(struct page_pool *pool);
--
2.20.1
