Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / netfilter / ipset / ip_set_bitmap.h

diff --git a/kernel/include/linux/netfilter/ipset/ip_set_bitmap.h b/kernel/include/linux/netfilter/ipset/ip_set_bitmap.h
new file mode 100644 (file)
index 0000000..5e4662a
--- /dev/null
+++ b/kernel/include/linux/netfilter/ipset/ip_set_bitmap.h
@@ -0,0 +1,28 @@
+#ifndef __IP_SET_BITMAP_H
+#define __IP_SET_BITMAP_H
+
+#include <uapi/linux/netfilter/ipset/ip_set_bitmap.h>
+
+#define IPSET_BITMAP_MAX_RANGE 0x0000FFFF
+
+enum {
+       IPSET_ADD_FAILED = 1,
+       IPSET_ADD_STORE_PLAIN_TIMEOUT,
+       IPSET_ADD_START_STORED_TIMEOUT,
+};
+
+/* Common functions */
+
+static inline u32
+range_to_mask(u32 from, u32 to, u8 *bits)
+{
+       u32 mask = 0xFFFFFFFE;
+
+       *bits = 32;
+       while (--(*bits) > 0 && mask && (to & mask) != from)
+               mask <<= 1;
+
+       return mask;
+}
+
+#endif /* __IP_SET_BITMAP_H */