diff options
Diffstat (limited to 'net/core/page_pool.c')
| -rw-r--r-- | net/core/page_pool.c | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/net/core/page_pool.c b/net/core/page_pool.c index c2819ff03dd2..4f9d1bd7f4d1 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -398,16 +398,26 @@ static struct page *__page_pool_get_cached(struct page_pool *pool) return page; } -static void page_pool_dma_sync_for_device(struct page_pool *pool, - struct page *page, - unsigned int dma_sync_size) +static void __page_pool_dma_sync_for_device(const struct page_pool *pool, + struct page *page, + u32 dma_sync_size) { +#if defined(CONFIG_HAS_DMA) && defined(CONFIG_DMA_NEED_SYNC) dma_addr_t dma_addr = page_pool_get_dma_addr(page); dma_sync_size = min(dma_sync_size, pool->p.max_len); - dma_sync_single_range_for_device(pool->p.dev, dma_addr, - pool->p.offset, dma_sync_size, - pool->p.dma_dir); + __dma_sync_single_for_device(pool->p.dev, dma_addr + pool->p.offset, + dma_sync_size, pool->p.dma_dir); +#endif +} + +static __always_inline void +page_pool_dma_sync_for_device(const struct page_pool *pool, + struct page *page, + u32 dma_sync_size) +{ + if (pool->dma_sync && dma_dev_need_sync(pool->p.dev)) + __page_pool_dma_sync_for_device(pool, page, dma_sync_size); } static bool page_pool_dma_map(struct page_pool *pool, struct page *page) @@ -429,8 +439,7 @@ static bool page_pool_dma_map(struct page_pool *pool, struct page *page) if (page_pool_set_dma_addr(page, dma)) goto unmap_failed; - if (pool->dma_sync) - page_pool_dma_sync_for_device(pool, page, pool->p.max_len); + page_pool_dma_sync_for_device(pool, page, pool->p.max_len); return true; @@ -699,9 +708,7 @@ __page_pool_put_page(struct page_pool *pool, struct page *page, if (likely(__page_pool_page_can_be_recycled(page))) { /* Read barrier done in page_ref_count / READ_ONCE */ - if (pool->dma_sync) - page_pool_dma_sync_for_device(pool, page, - dma_sync_size); + page_pool_dma_sync_for_device(pool, page, dma_sync_size); if (allow_direct && in_softirq() && page_pool_recycle_in_cache(page, pool)) @@ -812,9 +819,7 @@ static struct page *page_pool_drain_frag(struct page_pool *pool, return NULL; if (__page_pool_page_can_be_recycled(page)) { - if (pool->dma_sync) - page_pool_dma_sync_for_device(pool, page, -1); - + page_pool_dma_sync_for_device(pool, page, -1); return page; } |