4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Marcelo Cerri <marcelo.cerri@xxxxxxxxxxxxx>
commit a397ba829d7f8aff4c90af3704573a28ccd61a59 upstream.
Move common values and types used by ghash-generic to a new header file
so drivers can directly use ghash-generic as a fallback implementation.
Fixes: cc333cd68dfa ("crypto: vmx - Adding GHASH routines for VMX module")
Signed-off-by: Marcelo Cerri <marcelo.cerri@xxxxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
crypto/ghash-generic.c | 13 +------------
include/crypto/ghash.h | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+), 12 deletions(-)
--- a/crypto/ghash-generic.c
+++ b/crypto/ghash-generic.c
@@ -14,24 +14,13 @@
#include <crypto/algapi.h>
#include <crypto/gf128mul.h>
+#include <crypto/ghash.h>
#include <crypto/internal/hash.h>
#include <linux/crypto.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#define GHASH_BLOCK_SIZE 16
-#define GHASH_DIGEST_SIZE 16
-
-struct ghash_ctx {
- struct gf128mul_4k *gf128;
-};
-
-struct ghash_desc_ctx {
- u8 buffer[GHASH_BLOCK_SIZE];
- u32 bytes;
-};
-
static int ghash_init(struct shash_desc *desc)
{
struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
--- /dev/null
+++ b/include/crypto/ghash.h
@@ -0,0 +1,23 @@
+/*
+ * Common values for GHASH algorithms
+ */
+
+#ifndef __CRYPTO_GHASH_H__
+#define __CRYPTO_GHASH_H__
+
+#include <linux/types.h>
+#include <crypto/gf128mul.h>
+
+#define GHASH_BLOCK_SIZE 16
+#define GHASH_DIGEST_SIZE 16
+
+struct ghash_ctx {
+ struct gf128mul_4k *gf128;
+};
+
+struct ghash_desc_ctx {
+ u8 buffer[GHASH_BLOCK_SIZE];
+ u32 bytes;
+};
+
+#endif
--
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