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-rw-r--r--net/core/page_pool.c33
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;
}