crypto: talitos - prepare for adding ahash algorithms

No functional changes.
Use a union in talitos_alg_template for the crypto_alg
so that we can add a member later for ahash_alg.

Signed-off-by: Lee Nipper <lee.nipper@gmail.com>
Acked-By: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 21 insertions, 18 deletions

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index dc558a097311..ce38b05c8def 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1479,14 +1479,17 @@ static int ablkcipher_decrypt(struct ablkcipher_request *areq)
 }
 
 struct talitos_alg_template {
-        struct crypto_alg alg;
+        u32 type;
+        union {
+                struct crypto_alg crypto;
+        } alg;
         __be32 desc_hdr_template;
 };
 
 static struct talitos_alg_template driver_algs[] = {
         /* AEAD algorithms.  These use a single-pass ipsec_esp descriptor */
-        {
-                .alg = {
+        {       .type = CRYPTO_ALG_TYPE_AEAD,
+                .alg.crypto = {
                         .cra_name = "authenc(hmac(sha1),cbc(aes))",
                         .cra_driver_name = "authenc-hmac-sha1-cbc-aes-talitos",
                         .cra_blocksize = AES_BLOCK_SIZE,
@@ -1511,8 +1514,8 @@ static struct talitos_alg_template driver_algs[] = {
                                      DESC_HDR_MODE1_MDEU_PAD |
                                      DESC_HDR_MODE1_MDEU_SHA1_HMAC,
         },
-        {
-                .alg = {
+        {       .type = CRYPTO_ALG_TYPE_AEAD,
+                .alg.crypto = {
                         .cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
                         .cra_driver_name = "authenc-hmac-sha1-cbc-3des-talitos",
                         .cra_blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1538,8 +1541,8 @@ static struct talitos_alg_template driver_algs[] = {
                                      DESC_HDR_MODE1_MDEU_PAD |
                                      DESC_HDR_MODE1_MDEU_SHA1_HMAC,
         },
-        {
-                .alg = {
+        {       .type = CRYPTO_ALG_TYPE_AEAD,
+                .alg.crypto = {
                         .cra_name = "authenc(hmac(sha256),cbc(aes))",
                         .cra_driver_name = "authenc-hmac-sha256-cbc-aes-talitos",
                         .cra_blocksize = AES_BLOCK_SIZE,
@@ -1564,8 +1567,8 @@ static struct talitos_alg_template driver_algs[] = {
                                      DESC_HDR_MODE1_MDEU_PAD |
                                      DESC_HDR_MODE1_MDEU_SHA256_HMAC,
         },
-        {
-                .alg = {
+        {       .type = CRYPTO_ALG_TYPE_AEAD,
+                .alg.crypto = {
                         .cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
                         .cra_driver_name = "authenc-hmac-sha256-cbc-3des-talitos",
                         .cra_blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1591,8 +1594,8 @@ static struct talitos_alg_template driver_algs[] = {
                                      DESC_HDR_MODE1_MDEU_PAD |
                                      DESC_HDR_MODE1_MDEU_SHA256_HMAC,
         },
-        {
-                .alg = {
+        {       .type = CRYPTO_ALG_TYPE_AEAD,
+                .alg.crypto = {
                         .cra_name = "authenc(hmac(md5),cbc(aes))",
                         .cra_driver_name = "authenc-hmac-md5-cbc-aes-talitos",
                         .cra_blocksize = AES_BLOCK_SIZE,
@@ -1617,8 +1620,8 @@ static struct talitos_alg_template driver_algs[] = {
                                      DESC_HDR_MODE1_MDEU_PAD |
                                      DESC_HDR_MODE1_MDEU_MD5_HMAC,
         },
-        {
-                .alg = {
+        {       .type = CRYPTO_ALG_TYPE_AEAD,
+                .alg.crypto = {
                         .cra_name = "authenc(hmac(md5),cbc(des3_ede))",
                         .cra_driver_name = "authenc-hmac-md5-cbc-3des-talitos",
                         .cra_blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1645,8 +1648,8 @@ static struct talitos_alg_template driver_algs[] = {
                                      DESC_HDR_MODE1_MDEU_MD5_HMAC,
         },
         /* ABLKCIPHER algorithms. */
-        {
-                .alg = {
+        {       .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+                .alg.crypto = {
                         .cra_name = "cbc(aes)",
                         .cra_driver_name = "cbc-aes-talitos",
                         .cra_blocksize = AES_BLOCK_SIZE,
@@ -1667,8 +1670,8 @@ static struct talitos_alg_template driver_algs[] = {
                                      DESC_HDR_SEL0_AESU |
                                      DESC_HDR_MODE0_AESU_CBC,
         },
-        {
-                .alg = {
+        {       .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+                .alg.crypto = {
                         .cra_name = "cbc(des3_ede)",
                         .cra_driver_name = "cbc-3des-talitos",
                         .cra_blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1789,7 +1792,7 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
                 return ERR_PTR(-ENOMEM);
 
         alg = &t_alg->crypto_alg;
-        *alg = template->alg;
+        *alg = template->alg.crypto;
 
         alg->cra_module = THIS_MODULE;
         alg->cra_init = talitos_cra_init;