crypto: crypto4xx - prepare for AEAD support
This patch enhances existing interfaces and
functions to support AEAD ciphers in the next
patches.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/amcc/crypto4xx_core.h b/drivers/crypto/amcc/crypto4xx_core.h
index 650aa94..ab89c2a 100644
--- a/drivers/crypto/amcc/crypto4xx_core.h
+++ b/drivers/crypto/amcc/crypto4xx_core.h
@@ -22,7 +22,9 @@
#ifndef __CRYPTO4XX_CORE_H__
#define __CRYPTO4XX_CORE_H__
+#include <linux/ratelimit.h>
#include <crypto/internal/hash.h>
+#include <crypto/internal/aead.h>
#include "crypto4xx_reg_def.h"
#include "crypto4xx_sa.h"
@@ -106,6 +108,7 @@ struct crypto4xx_device {
struct pd_uinfo *pdr_uinfo;
struct list_head alg_list; /* List of algorithm supported
by this device */
+ struct ratelimit_state aead_ratelimit;
};
struct crypto4xx_core_device {
@@ -125,6 +128,9 @@ struct crypto4xx_ctx {
struct dynamic_sa_ctl *sa_out;
__le32 iv_nonce;
u32 sa_len;
+ union {
+ struct crypto_aead *aead;
+ } sw_cipher;
};
struct crypto4xx_alg_common {
@@ -132,6 +138,7 @@ struct crypto4xx_alg_common {
union {
struct crypto_alg cipher;
struct ahash_alg hash;
+ struct aead_alg aead;
} u;
};
@@ -141,18 +148,6 @@ struct crypto4xx_alg {
struct crypto4xx_device *dev;
};
-static inline struct crypto4xx_alg *crypto_alg_to_crypto4xx_alg(
- struct crypto_alg *x)
-{
- switch (x->cra_flags & CRYPTO_ALG_TYPE_MASK) {
- case CRYPTO_ALG_TYPE_AHASH:
- return container_of(__crypto_ahash_alg(x),
- struct crypto4xx_alg, alg.u.hash);
- }
-
- return container_of(x, struct crypto4xx_alg, alg.u.cipher);
-}
-
int crypto4xx_alloc_sa(struct crypto4xx_ctx *ctx, u32 size);
void crypto4xx_free_sa(struct crypto4xx_ctx *ctx);
void crypto4xx_free_ctx(struct crypto4xx_ctx *ctx);
@@ -163,7 +158,8 @@ int crypto4xx_build_pd(struct crypto_async_request *req,
const unsigned int datalen,
const __le32 *iv, const u32 iv_len,
const struct dynamic_sa_ctl *sa,
- const unsigned int sa_len);
+ const unsigned int sa_len,
+ const unsigned int assoclen);
int crypto4xx_setkey_aes_cbc(struct crypto_ablkcipher *cipher,
const u8 *key, unsigned int keylen);
int crypto4xx_setkey_aes_cfb(struct crypto_ablkcipher *cipher,
