3 files changed, 67 insertions, 55 deletions

diff --git a/include/linux/filter.h b/include/linux/filter.h
index bf323da77950..8f82ef3f1cdd 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -10,58 +10,12 @@
 #include <linux/workqueue.h>
 #include <uapi/linux/filter.h>
 #include <asm/cacheflush.h>
+#include <uapi/linux/bpf.h>
 
 struct sk_buff;
 struct sock;
 struct seccomp_data;
 
-/* Internally used and optimized filter representation with extended
- * instruction set based on top of classic BPF.
- */
-
-/* instruction classes */
-#define BPF_ALU64       0x07    /* alu mode in double word width */
-
-/* ld/ldx fields */
-#define BPF_DW          0x18    /* double word */
-#define BPF_XADD        0xc0    /* exclusive add */
-
-/* alu/jmp fields */
-#define BPF_MOV         0xb0    /* mov reg to reg */
-#define BPF_ARSH        0xc0    /* sign extending arithmetic shift right */
-
-/* change endianness of a register */
-#define BPF_END         0xd0    /* flags for endianness conversion: */
-#define BPF_TO_LE       0x00    /* convert to little-endian */
-#define BPF_TO_BE       0x08    /* convert to big-endian */
-#define BPF_FROM_LE     BPF_TO_LE
-#define BPF_FROM_BE     BPF_TO_BE
-
-#define BPF_JNE         0x50    /* jump != */
-#define BPF_JSGT        0x60    /* SGT is signed '>', GT in x86 */
-#define BPF_JSGE        0x70    /* SGE is signed '>=', GE in x86 */
-#define BPF_CALL        0x80    /* function call */
-#define BPF_EXIT        0x90    /* function return */
-
-/* Register numbers */
-enum {
-        BPF_REG_0 = 0,
-        BPF_REG_1,
-        BPF_REG_2,
-        BPF_REG_3,
-        BPF_REG_4,
-        BPF_REG_5,
-        BPF_REG_6,
-        BPF_REG_7,
-        BPF_REG_8,
-        BPF_REG_9,
-        BPF_REG_10,
-        __MAX_BPF_REG,
-};
-
-/* BPF has 10 general purpose 64-bit registers and stack frame. */
-#define MAX_BPF_REG     __MAX_BPF_REG
-
 /* ArgX, context and stack frame pointer register positions. Note,
  * Arg1, Arg2, Arg3, etc are used as argument mappings of function
  * calls in BPF_CALL instruction.
@@ -322,14 +276,6 @@ enum {
 #define SK_RUN_FILTER(filter, ctx) \
         (*filter->prog->bpf_func)(ctx, filter->prog->insnsi)
 
-struct bpf_insn {
-        __u8    code;           /* opcode */
-        __u8    dst_reg:4;      /* dest register */
-        __u8    src_reg:4;      /* source register */
-        __s16   off;            /* signed offset */
-        __s32   imm;            /* signed immediate constant */
-};
-
 #ifdef CONFIG_COMPAT
 /* A struct sock_filter is architecture independent. */
 struct compat_sock_fprog {
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 24e9033f8b3f..fb3f7b675229 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -67,6 +67,7 @@ header-y += bfs_fs.h
 header-y += binfmts.h
 header-y += blkpg.h
 header-y += blktrace_api.h
+header-y += bpf.h
 header-y += bpqether.h
 header-y += bsg.h
 header-y += btrfs.h
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
new file mode 100644
index 000000000000..479ed0b6be16
--- /dev/null
+++ b/include/uapi/linux/bpf.h
@@ -0,0 +1,65 @@
+/* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#ifndef _UAPI__LINUX_BPF_H__
+#define _UAPI__LINUX_BPF_H__
+
+#include <linux/types.h>
+
+/* Extended instruction set based on top of classic BPF */
+
+/* instruction classes */
+#define BPF_ALU64       0x07    /* alu mode in double word width */
+
+/* ld/ldx fields */
+#define BPF_DW          0x18    /* double word */
+#define BPF_XADD        0xc0    /* exclusive add */
+
+/* alu/jmp fields */
+#define BPF_MOV         0xb0    /* mov reg to reg */
+#define BPF_ARSH        0xc0    /* sign extending arithmetic shift right */
+
+/* change endianness of a register */
+#define BPF_END         0xd0    /* flags for endianness conversion: */
+#define BPF_TO_LE       0x00    /* convert to little-endian */
+#define BPF_TO_BE       0x08    /* convert to big-endian */
+#define BPF_FROM_LE     BPF_TO_LE
+#define BPF_FROM_BE     BPF_TO_BE
+
+#define BPF_JNE         0x50    /* jump != */
+#define BPF_JSGT        0x60    /* SGT is signed '>', GT in x86 */
+#define BPF_JSGE        0x70    /* SGE is signed '>=', GE in x86 */
+#define BPF_CALL        0x80    /* function call */
+#define BPF_EXIT        0x90    /* function return */
+
+/* Register numbers */
+enum {
+        BPF_REG_0 = 0,
+        BPF_REG_1,
+        BPF_REG_2,
+        BPF_REG_3,
+        BPF_REG_4,
+        BPF_REG_5,
+        BPF_REG_6,
+        BPF_REG_7,
+        BPF_REG_8,
+        BPF_REG_9,
+        BPF_REG_10,
+        __MAX_BPF_REG,
+};
+
+/* BPF has 10 general purpose 64-bit registers and stack frame. */
+#define MAX_BPF_REG     __MAX_BPF_REG
+
+struct bpf_insn {
+        __u8    code;           /* opcode */
+        __u8    dst_reg:4;      /* dest register */
+        __u8    src_reg:4;      /* source register */
+        __s16   off;            /* signed offset */
+        __s32   imm;            /* signed immediate constant */
+};
+
+#endif /* _UAPI__LINUX_BPF_H__ */