crypto: x86/glue_helper - use le128 instead of u128 for CTR mode

'u128' currently used for CTR mode is on little-endian 'long long' swapped
and would require extra swap operations by SSE/AVX code. Use of le128
instead of u128 allows IV calculations to be done with vector registers
easier.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 6 insertions, 6 deletions

diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c
index 9107a9908c4..97a356ece24 100644
--- a/arch/x86/crypto/serpent_sse2_glue.c
+++ b/arch/x86/crypto/serpent_sse2_glue.c
@@ -59,19 +59,19 @@ static void serpent_decrypt_cbc_xway(void *ctx, u128 *dst, const u128 *src)
                 u128_xor(dst + (j + 1), dst + (j + 1), ivs + j);
 }
 
-static void serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, u128 *iv)
+static void serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv)
 {
         be128 ctrblk;
 
-        u128_to_be128(&ctrblk, iv);
-        u128_inc(iv);
+        le128_to_be128(&ctrblk, iv);
+        le128_inc(iv);
 
         __serpent_encrypt(ctx, (u8 *)&ctrblk, (u8 *)&ctrblk);
         u128_xor(dst, src, (u128 *)&ctrblk);
 }
 
 static void serpent_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
-                                   u128 *iv)
+                                   le128 *iv)
 {
         be128 ctrblks[SERPENT_PARALLEL_BLOCKS];
         unsigned int i;
@@ -80,8 +80,8 @@ static void serpent_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
                 if (dst != src)
                         dst[i] = src[i];
 
-                u128_to_be128(&ctrblks[i], iv);
-                u128_inc(iv);
+                le128_to_be128(&ctrblks[i], iv);
+                le128_inc(iv);
         }
 
         serpent_enc_blk_xway_xor(ctx, (u8 *)dst, (u8 *)ctrblks);