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-rw-r--r--include/linux/crypto.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 56cf229e2530..15476b085ce3 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -276,6 +276,7 @@ struct cipher_alg {
* to the alignmask of the algorithm being used, in order to
* avoid the API having to realign them. Note: the alignmask is
* not supported for hash algorithms and is always 0 for them.
+ * @cra_reqsize: Size of the request context for this algorithm.
* @cra_priority: Priority of this transformation implementation. In case
* multiple transformations with same @cra_name are available to
* the Crypto API, the kernel will use the one with highest
@@ -322,6 +323,7 @@ struct crypto_alg {
unsigned int cra_blocksize;
unsigned int cra_ctxsize;
unsigned int cra_alignmask;
+ unsigned int cra_reqsize;
int cra_priority;
refcount_t cra_refcnt;
@@ -441,6 +443,11 @@ static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm)
return tfm->__crt_alg->cra_alignmask;
}
+static inline unsigned int crypto_tfm_alg_reqsize(struct crypto_tfm *tfm)
+{
+ return tfm->__crt_alg->cra_reqsize;
+}
+
static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm)
{
return tfm->crt_flags;