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Diffstat (limited to 'include/net/xsk_buff_pool.h')
-rw-r--r--include/net/xsk_buff_pool.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h
index f787c3f524b0..3e952e569418 100644
--- a/include/net/xsk_buff_pool.h
+++ b/include/net/xsk_buff_pool.h
@@ -19,8 +19,11 @@ struct xdp_sock;
struct device;
struct page;
+#define XSK_PRIV_MAX 24
+
struct xdp_buff_xsk {
struct xdp_buff xdp;
+ u8 cb[XSK_PRIV_MAX];
dma_addr_t dma;
dma_addr_t frame_dma;
struct xsk_buff_pool *pool;
@@ -28,6 +31,8 @@ struct xdp_buff_xsk {
struct list_head free_list_node;
};
+#define XSK_CHECK_PRIV_TYPE(t) BUILD_BUG_ON(sizeof(t) > offsetofend(struct xdp_buff_xsk, cb))
+
struct xsk_dma_map {
dma_addr_t *dma_pages;
struct device *dev;