[PATCH v2 03/24] page_pool: Add netmem_set_dma_addr() and netmem_get_dma_addr()
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2023-01-05 21:46:59
Also in:
linux-mm
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Turn page_pool_set_dma_addr() and page_pool_get_dma_addr() into wrappers. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- include/net/page_pool.h | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index 84b4ea8af015..196b585763d9 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h@@ -449,21 +449,31 @@ static inline void page_pool_recycle_direct(struct page_pool *pool, #define PAGE_POOL_DMA_USE_PP_FRAG_COUNT \ (sizeof(dma_addr_t) > sizeof(unsigned long)) -static inline dma_addr_t page_pool_get_dma_addr(struct page *page) +static inline dma_addr_t netmem_get_dma_addr(struct netmem *nmem) { - dma_addr_t ret = page->dma_addr; + dma_addr_t ret = nmem->dma_addr; if (PAGE_POOL_DMA_USE_PP_FRAG_COUNT) - ret |= (dma_addr_t)page->dma_addr_upper << 16 << 16; + ret |= (dma_addr_t)nmem->dma_addr_upper << 16 << 16; return ret; } -static inline void page_pool_set_dma_addr(struct page *page, dma_addr_t addr) +static inline dma_addr_t page_pool_get_dma_addr(struct page *page) +{ + return netmem_get_dma_addr(page_netmem(page)); +} + +static inline void netmem_set_dma_addr(struct netmem *nmem, dma_addr_t addr) { - page->dma_addr = addr; + nmem->dma_addr = addr; if (PAGE_POOL_DMA_USE_PP_FRAG_COUNT) - page->dma_addr_upper = upper_32_bits(addr); + nmem->dma_addr_upper = upper_32_bits(addr); +} + +static inline void page_pool_set_dma_addr(struct page *page, dma_addr_t addr) +{ + netmem_set_dma_addr(page_netmem(page), addr); } static inline bool is_page_pool_compiled_in(void)
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2.35.1