Set CRYPTO_ALG_TFM_MAY_SHARE ->cra_flags when algorithm support
shared tfm.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
---
include/linux/crypto.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index e71cb70..66f10f8 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -102,6 +102,11 @@
#define CRYPTO_ALG_INTERNAL 0x00002000
/*
+ * Mark that algorithm can use shared tfm
+ */
+#define CRYPTO_ALG_TFM_MAY_SHARE 0x00004000
+
+/*
* Transform masks and values (for crt_flags).
*/
#define CRYPTO_TFM_REQ_MASK 0x000fff00
@@ -648,6 +653,11 @@ static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
}
+static inline u32 crypto_tfm_may_share(struct crypto_tfm *tfm)
+{
+ return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TFM_MAY_SHARE;
+}
+
static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm)
{
return tfm->__crt_alg->cra_blocksize;
--
2.6.0.rc2.10.gf4d9753
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