diff options
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c index 1b44c1a115d6..cb510ec21ec4 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c @@ -51,9 +51,8 @@ int sun8i_ss_hash_crainit(struct crypto_tfm *tfm) sizeof(struct sun8i_ss_hash_reqctx) + crypto_ahash_reqsize(op->fallback_tfm)); - dev_info(op->ss->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->ss->dev); if (err < 0) goto error_pm; @@ -259,16 +258,29 @@ static int sun8i_ss_run_hash_task(struct sun8i_ss_dev *ss, static bool sun8i_ss_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_ss_alg_template *algt; struct scatterlist *sg; - if (areq->nbytes == 0) + algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash); + + if (areq->nbytes == 0) { + algt->stat_fb_len++; return true; - if (areq->nbytes >= MAX_PAD_SIZE - 64) + } + + if (areq->nbytes >= MAX_PAD_SIZE - 64) { + algt->stat_fb_len++; return true; + } /* we need to reserve one SG for the padding one */ - if (sg_nents(areq->src) > MAX_SG - 1) + if (sg_nents(areq->src) > MAX_SG - 1) { + algt->stat_fb_sgnum++; return true; + } + sg = areq->src; while (sg) { /* SS can operate hash only on full block size @@ -276,12 +288,18 @@ static bool sun8i_ss_hash_need_fallback(struct ahash_request *areq) * is always 64 */ /* Only the last block could be bounced to the pad buffer */ - if (sg->length % 64 && sg_next(sg)) + if (sg->length % 64 && sg_next(sg)) { + algt->stat_fb_sglen++; return true; - if (!IS_ALIGNED(sg->offset, sizeof(u32))) + } + if (!IS_ALIGNED(sg->offset, sizeof(u32))) { + algt->stat_fb_align++; return true; - if (sg->length % 4) + } + if (sg->length % 4) { + algt->stat_fb_sglen++; return true; + } sg = sg_next(sg); } return false; |