diff options
Diffstat (limited to 'drivers/crypto/n2_core.c')
| -rw-r--r-- | drivers/crypto/n2_core.c | 95 |
1 files changed, 48 insertions, 47 deletions
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c index 5613b8affe11..23163fda5035 100644 --- a/drivers/crypto/n2_core.c +++ b/drivers/crypto/n2_core.c @@ -251,16 +251,10 @@ static void n2_base_ctx_init(struct n2_base_ctx *ctx) struct n2_hash_ctx { struct n2_base_ctx base; - struct crypto_ahash *fallback; + struct crypto_ahash *fallback_tfm; +}; - /* These next three members must match the layout created by - * crypto_init_shash_ops_async. This allows us to properly - * plumb requests we can't do in hardware down to the fallback - * operation, providing all of the data structures and layouts - * expected by those paths. - */ - struct ahash_request fallback_req; - struct shash_desc fallback_desc; +struct n2_hash_req_ctx { union { struct md5_state md5; struct sha1_state sha1; @@ -269,56 +263,62 @@ struct n2_hash_ctx { unsigned char hash_key[64]; unsigned char keyed_zero_hash[32]; + + struct ahash_request fallback_req; }; static int n2_hash_async_init(struct ahash_request *req) { + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - return crypto_ahash_init(&ctx->fallback_req); + return crypto_ahash_init(&rctx->fallback_req); } static int n2_hash_async_update(struct ahash_request *req) { + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - ctx->fallback_req.nbytes = req->nbytes; - ctx->fallback_req.src = req->src; + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + rctx->fallback_req.nbytes = req->nbytes; + rctx->fallback_req.src = req->src; - return crypto_ahash_update(&ctx->fallback_req); + return crypto_ahash_update(&rctx->fallback_req); } static int n2_hash_async_final(struct ahash_request *req) { + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - ctx->fallback_req.result = req->result; + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + rctx->fallback_req.result = req->result; - return crypto_ahash_final(&ctx->fallback_req); + return crypto_ahash_final(&rctx->fallback_req); } static int n2_hash_async_finup(struct ahash_request *req) { + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - ctx->fallback_req.nbytes = req->nbytes; - ctx->fallback_req.src = req->src; - ctx->fallback_req.result = req->result; + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + rctx->fallback_req.nbytes = req->nbytes; + rctx->fallback_req.src = req->src; + rctx->fallback_req.result = req->result; - return crypto_ahash_finup(&ctx->fallback_req); + return crypto_ahash_finup(&rctx->fallback_req); } static int n2_hash_cra_init(struct crypto_tfm *tfm) @@ -338,7 +338,10 @@ static int n2_hash_cra_init(struct crypto_tfm *tfm) goto out; } - ctx->fallback = fallback_tfm; + crypto_ahash_set_reqsize(ahash, (sizeof(struct n2_hash_req_ctx) + + crypto_ahash_reqsize(fallback_tfm))); + + ctx->fallback_tfm = fallback_tfm; return 0; out: @@ -350,7 +353,7 @@ static void n2_hash_cra_exit(struct crypto_tfm *tfm) struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); struct n2_hash_ctx *ctx = crypto_ahash_ctx(ahash); - crypto_free_ahash(ctx->fallback); + crypto_free_ahash(ctx->fallback_tfm); } static unsigned long wait_for_tail(struct spu_queue *qp) @@ -399,14 +402,16 @@ static int n2_hash_async_digest(struct ahash_request *req, * exceed 2^16. */ if (unlikely(req->nbytes > (1 << 16))) { - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - ctx->fallback_req.nbytes = req->nbytes; - ctx->fallback_req.src = req->src; - ctx->fallback_req.result = req->result; + rctx->fallback_req.nbytes = req->nbytes; + rctx->fallback_req.src = req->src; + rctx->fallback_req.result = req->result; - return crypto_ahash_digest(&ctx->fallback_req); + return crypto_ahash_digest(&rctx->fallback_req); } n2_base_ctx_init(&ctx->base); @@ -472,9 +477,8 @@ out: static int n2_md5_async_digest(struct ahash_request *req) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct md5_state *m = &ctx->u.md5; + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + struct md5_state *m = &rctx->u.md5; if (unlikely(req->nbytes == 0)) { static const char md5_zero[MD5_DIGEST_SIZE] = { @@ -497,9 +501,8 @@ static int n2_md5_async_digest(struct ahash_request *req) static int n2_sha1_async_digest(struct ahash_request *req) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct sha1_state *s = &ctx->u.sha1; + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + struct sha1_state *s = &rctx->u.sha1; if (unlikely(req->nbytes == 0)) { static const char sha1_zero[SHA1_DIGEST_SIZE] = { @@ -524,9 +527,8 @@ static int n2_sha1_async_digest(struct ahash_request *req) static int n2_sha256_async_digest(struct ahash_request *req) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct sha256_state *s = &ctx->u.sha256; + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + struct sha256_state *s = &rctx->u.sha256; if (req->nbytes == 0) { static const char sha256_zero[SHA256_DIGEST_SIZE] = { @@ -555,9 +557,8 @@ static int n2_sha256_async_digest(struct ahash_request *req) static int n2_sha224_async_digest(struct ahash_request *req) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct sha256_state *s = &ctx->u.sha256; + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + struct sha256_state *s = &rctx->u.sha256; if (req->nbytes == 0) { static const char sha224_zero[SHA224_DIGEST_SIZE] = { |