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| author | Iuliana Prodan <iuliana.prodan@nxp.com> | 2020-04-28 18:49:03 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-05-08 15:30:40 +1000 |
| commit | ec6e2bf33b54cc3351bd702452e5d016b8f9d2f4 (patch) | |
| tree | 66e745497119d160bcbcbaadf806f8515e72f223 | |
| parent | 3e37f04f2bf3dd86432785e15182793a8a8ef00e (diff) | |
| download | lwn-ec6e2bf33b54cc3351bd702452e5d016b8f9d2f4.tar.gz lwn-ec6e2bf33b54cc3351bd702452e5d016b8f9d2f4.zip | |
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: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/algapi.c | 8 | ||||
| -rw-r--r-- | include/crypto/algapi.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c index f1e6ccaff853..92abdf675992 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -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; diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index e115f9215ed5..00a9cf98debe 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -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) { |