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-rw-r--r--drivers/crypto/qce/aead.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/crypto/qce/aead.h b/drivers/crypto/qce/aead.h
new file mode 100644
index 0000000000..efb8477cc0
--- /dev/null
+++ b/drivers/crypto/qce/aead.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021, Linaro Limited. All rights reserved.
+ */
+
+#ifndef _AEAD_H_
+#define _AEAD_H_
+
+#include "common.h"
+#include "core.h"
+
+#define QCE_MAX_KEY_SIZE 64
+#define QCE_CCM4309_SALT_SIZE 3
+
+struct qce_aead_ctx {
+ u8 enc_key[QCE_MAX_KEY_SIZE];
+ u8 auth_key[QCE_MAX_KEY_SIZE];
+ u8 ccm4309_salt[QCE_CCM4309_SALT_SIZE];
+ unsigned int enc_keylen;
+ unsigned int auth_keylen;
+ unsigned int authsize;
+ bool need_fallback;
+ struct crypto_aead *fallback;
+};
+
+struct qce_aead_reqctx {
+ unsigned long flags;
+ u8 *iv;
+ unsigned int ivsize;
+ int src_nents;
+ int dst_nents;
+ struct scatterlist result_sg;
+ struct scatterlist adata_sg;
+ struct sg_table dst_tbl;
+ struct sg_table src_tbl;
+ struct scatterlist *dst_sg;
+ struct scatterlist *src_sg;
+ unsigned int cryptlen;
+ unsigned int assoclen;
+ unsigned char *adata;
+ u8 ccm_nonce[QCE_MAX_NONCE];
+ u8 ccmresult_buf[QCE_BAM_BURST_SIZE];
+ u8 ccm_rfc4309_iv[QCE_MAX_IV_SIZE];
+ struct aead_request fallback_req;
+};
+
+static inline struct qce_alg_template *to_aead_tmpl(struct crypto_aead *tfm)
+{
+ struct aead_alg *alg = crypto_aead_alg(tfm);
+
+ return container_of(alg, struct qce_alg_template, alg.aead);
+}
+
+extern const struct qce_algo_ops aead_ops;
+
+#endif /* _AEAD_H_ */