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path: root/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
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Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c')
-rw-r--r--drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
index 59e07eb5f058..8b5b9b9d04c3 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
@@ -50,9 +50,9 @@ int sun8i_ce_hash_crainit(struct crypto_tfm *tfm)
sizeof(struct sun8i_ce_hash_reqctx) +
crypto_ahash_reqsize(op->fallback_tfm));
- dev_info(op->ce->dev, "Fallback for %s is %s\n",
- crypto_tfm_alg_driver_name(tfm),
- crypto_tfm_alg_driver_name(&op->fallback_tfm->base));
+ memcpy(algt->fbname, crypto_tfm_alg_driver_name(&op->fallback_tfm->base),
+ CRYPTO_MAX_ALG_NAME);
+
err = pm_runtime_get_sync(op->ce->dev);
if (err < 0)
goto error_pm;
@@ -199,17 +199,32 @@ static int sun8i_ce_hash_digest_fb(struct ahash_request *areq)
static bool sun8i_ce_hash_need_fallback(struct ahash_request *areq)
{
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+ struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg);
+ struct sun8i_ce_alg_template *algt;
struct scatterlist *sg;
- if (areq->nbytes == 0)
+ algt = container_of(alg, struct sun8i_ce_alg_template, alg.hash);
+
+ if (areq->nbytes == 0) {
+ algt->stat_fb_len0++;
return true;
+ }
/* we need to reserve one SG for padding one */
- if (sg_nents_for_len(areq->src, areq->nbytes) > MAX_SG - 1)
+ if (sg_nents_for_len(areq->src, areq->nbytes) > MAX_SG - 1) {
+ algt->stat_fb_maxsg++;
return true;
+ }
sg = areq->src;
while (sg) {
- if (sg->length % 4 || !IS_ALIGNED(sg->offset, sizeof(u32)))
+ if (sg->length % 4) {
+ algt->stat_fb_srclen++;
return true;
+ }
+ if (!IS_ALIGNED(sg->offset, sizeof(u32))) {
+ algt->stat_fb_srcali++;
+ return true;
+ }
sg = sg_next(sg);
}
return false;