xsk: Move defines only used by AF_XDP internals to xsk.h

[linux-2.6-microblaze.git] / net / xdp / xsk.h

diff --git a/net/xdp/xsk.h b/net/xdp/xsk.h
index d6a0979..455ddd4 100644 (file)
--- a/net/xdp/xsk.h
+++ b/net/xdp/xsk.h
@@ -4,6 +4,20 @@
 #ifndef XSK_H_
 #define XSK_H_
 
+/* Masks for xdp_umem_page flags.
+ * The low 12-bits of the addr will be 0 since this is the page address, so we
+ * can use them for flags.
+ */
+#define XSK_NEXT_PG_CONTIG_SHIFT 0
+#define XSK_NEXT_PG_CONTIG_MASK BIT_ULL(XSK_NEXT_PG_CONTIG_SHIFT)
+
+/* Flags for the umem flags field.
+ *
+ * The NEED_WAKEUP flag is 1 due to the reuse of the flags field for public
+ * flags. See inlude/uapi/include/linux/if_xdp.h.
+ */
+#define XDP_UMEM_USES_NEED_WAKEUP BIT(1)
+
 struct xdp_ring_offset_v1 {
        __u64 producer;
        __u64 consumer;