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| author | Ilias Apalodimas <ilias.apalodimas@linaro.org> | 2019-06-18 15:05:12 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-19 11:23:13 -0400 |
| commit | 0afdeeed08b5f59148069e9f7a52d2ab0eba5d49 (patch) | |
| tree | eef742791f3841fa6d7ace5be6487661e708b136 /include/net/page_pool.h | |
| parent | 9371a56f7101cc3f12b57db4bfbb6159205211f4 (diff) | |
| download | lwn-0afdeeed08b5f59148069e9f7a52d2ab0eba5d49.tar.gz lwn-0afdeeed08b5f59148069e9f7a52d2ab0eba5d49.zip | |
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>
Diffstat (limited to 'include/net/page_pool.h')
| -rw-r--r-- | include/net/page_pool.h | 5 |
1 files changed, 5 insertions, 0 deletions
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 |