crypto: chelsio - Use GCM IV size constant

This patch replace GCM IV size value by their constant name.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index 0e81607..936bdd8 100644 (file)
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -53,6 +53,7 @@
 #include <crypto/aes.h>
 #include <crypto/algapi.h>
 #include <crypto/hash.h>
+#include <crypto/gcm.h>
 #include <crypto/sha.h>
 #include <crypto/authenc.h>
 #include <crypto/ctr.h>
@@ -2534,9 +2535,9 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
        if (get_aead_subtype(tfm) ==
            CRYPTO_ALG_SUB_TYPE_AEAD_RFC4106) {
                memcpy(reqctx->iv, aeadctx->salt, 4);
-               memcpy(reqctx->iv + 4, req->iv, 8);
+               memcpy(reqctx->iv + 4, req->iv, GCM_RFC4106_IV_SIZE);
        } else {
-               memcpy(reqctx->iv, req->iv, 12);
+               memcpy(reqctx->iv, req->iv, GCM_AES_IV_SIZE);
        }
        *((unsigned int *)(reqctx->iv + 12)) = htonl(0x01);
 
@@ -3385,7 +3386,7 @@ static struct chcr_alg_template driver_algs[] = {
                                                sizeof(struct chcr_aead_ctx) +
                                                sizeof(struct chcr_gcm_ctx),
                        },
-                       .ivsize = 12,
+                       .ivsize = GCM_AES_IV_SIZE,
                        .maxauthsize = GHASH_DIGEST_SIZE,
                        .setkey = chcr_gcm_setkey,
                        .setauthsize = chcr_gcm_setauthsize,
@@ -3405,7 +3406,7 @@ static struct chcr_alg_template driver_algs[] = {
                                                sizeof(struct chcr_gcm_ctx),
 
                        },
-                       .ivsize = 8,
+                       .ivsize = GCM_RFC4106_IV_SIZE,
                        .maxauthsize    = GHASH_DIGEST_SIZE,
                        .setkey = chcr_gcm_setkey,
                        .setauthsize    = chcr_4106_4309_setauthsize,