Commit ec6e2bf3 authored by Iuliana Prodan's avatar Iuliana Prodan Committed by Herbert Xu
Browse files

crypto: algapi - create function to add request in front of queue 



Add crypto_enqueue_request_head function that enqueues a
request in front of queue.
This will be used in crypto-engine, on error path. In case a request
was not executed by hardware, enqueue it back in front of queue (to
keep the order of requests).

Signed-off-by: default avatarIuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 3e37f04f

crypto/algapi.c

+8 −0
Original line number Diff line number Diff line
@@ -914,6 +914,14 @@ out: 
}

EXPORT_SYMBOL_GPL(crypto_enqueue_request);



void crypto_enqueue_request_head(struct crypto_queue *queue,

				 struct crypto_async_request *request)

{

	queue->qlen++;

	list_add(&request->list, &queue->list);

}

EXPORT_SYMBOL_GPL(crypto_enqueue_request_head);



struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue)

{

	struct list_head *request;

include/crypto/algapi.h

+2 −0
Original line number Diff line number Diff line
@@ -125,6 +125,8 @@ int crypto_inst_setname(struct crypto_instance *inst, const char *name, 
void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);

int crypto_enqueue_request(struct crypto_queue *queue,

			   struct crypto_async_request *request);

void crypto_enqueue_request_head(struct crypto_queue *queue,

				 struct crypto_async_request *request);

struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);

static inline unsigned int crypto_queue_len(struct crypto_queue *queue)

{

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