From 198e79f0e8f0b24c1e36ab6032d348f40de20262 Mon Sep 17 00:00:00 2001
From: Dominik Sliwa <dominik.sliwa@toradex.com>
Date: Fri, 22 Dec 2017 12:07:34 +0000
Subject: backports: bluetooth: Support 4.9 kernels

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
---
 include/crypto/internal/backport-kpp.h | 64 ++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 include/crypto/internal/backport-kpp.h

(limited to 'include/crypto/internal/backport-kpp.h')

diff --git a/include/crypto/internal/backport-kpp.h b/include/crypto/internal/backport-kpp.h
new file mode 100644
index 0000000..bd16788
--- /dev/null
+++ b/include/crypto/internal/backport-kpp.h
@@ -0,0 +1,64 @@
+/*
+ * Key-agreement Protocol Primitives (KPP)
+ *
+ * Copyright (c) 2016, Intel Corporation
+ * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#ifndef _CRYPTO_KPP_INT_H
+#define _CRYPTO_KPP_INT_H
+#include <crypto/backport-kpp.h>
+#include <crypto/algapi.h>
+
+/*
+ * Transform internal helpers.
+ */
+static inline void *kpp_request_ctx(struct kpp_request *req)
+{
+	return req->__ctx;
+}
+
+static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm)
+{
+	return tfm->base.__crt_ctx;
+}
+
+static inline void kpp_request_complete(struct kpp_request *req, int err)
+{
+	req->base.complete(&req->base, err);
+}
+
+static inline const char *kpp_alg_name(struct crypto_kpp *tfm)
+{
+	return crypto_kpp_tfm(tfm)->__crt_alg->cra_name;
+}
+
+/**
+ * crypto_register_kpp() -- Register key-agreement protocol primitives algorithm
+ *
+ * Function registers an implementation of a key-agreement protocol primitive
+ * algorithm
+ *
+ * @alg:	algorithm definition
+ *
+ * Return: zero on success; error code in case of error
+ */
+int crypto_register_kpp(struct kpp_alg *alg);
+
+/**
+ * crypto_unregister_kpp() -- Unregister key-agreement protocol primitive
+ * algorithm
+ *
+ * Function unregisters an implementation of a key-agreement protocol primitive
+ * algorithm
+ *
+ * @alg:	algorithm definition
+ */
+void crypto_unregister_kpp(struct kpp_alg *alg);
+
+#endif
-- 
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