diff options
Diffstat (limited to 'drivers/crypto/picoxcell_crypto.c')
| -rw-r--r-- | drivers/crypto/picoxcell_crypto.c | 55 |
1 files changed, 37 insertions, 18 deletions
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c index 7384e91c8b32..dac6eb37fff9 100644 --- a/drivers/crypto/picoxcell_crypto.c +++ b/drivers/crypto/picoxcell_crypto.c @@ -86,6 +86,7 @@ struct spacc_req { dma_addr_t src_addr, dst_addr; struct spacc_ddt *src_ddt, *dst_ddt; void (*complete)(struct spacc_req *req); + struct skcipher_request fallback_req; // keep at the end }; struct spacc_aead { @@ -158,7 +159,7 @@ struct spacc_ablk_ctx { * The fallback cipher. If the operation can't be done in hardware, * fallback to a software version. */ - struct crypto_sync_skcipher *sw_cipher; + struct crypto_skcipher *sw_cipher; }; /* AEAD cipher context. */ @@ -792,13 +793,13 @@ static int spacc_aes_setkey(struct crypto_skcipher *cipher, const u8 *key, * Set the fallback transform to use the same request flags as * the hardware transform. */ - crypto_sync_skcipher_clear_flags(ctx->sw_cipher, + crypto_skcipher_clear_flags(ctx->sw_cipher, CRYPTO_TFM_REQ_MASK); - crypto_sync_skcipher_set_flags(ctx->sw_cipher, + crypto_skcipher_set_flags(ctx->sw_cipher, cipher->base.crt_flags & CRYPTO_TFM_REQ_MASK); - err = crypto_sync_skcipher_setkey(ctx->sw_cipher, key, len); + err = crypto_skcipher_setkey(ctx->sw_cipher, key, len); if (err) goto sw_setkey_failed; } @@ -900,7 +901,7 @@ static int spacc_ablk_do_fallback(struct skcipher_request *req, struct crypto_tfm *old_tfm = crypto_skcipher_tfm(crypto_skcipher_reqtfm(req)); struct spacc_ablk_ctx *ctx = crypto_tfm_ctx(old_tfm); - SYNC_SKCIPHER_REQUEST_ON_STACK(subreq, ctx->sw_cipher); + struct spacc_req *dev_req = skcipher_request_ctx(req); int err; /* @@ -908,13 +909,13 @@ static int spacc_ablk_do_fallback(struct skcipher_request *req, * the ciphering has completed, put the old transform back into the * request. */ - skcipher_request_set_sync_tfm(subreq, ctx->sw_cipher); - skcipher_request_set_callback(subreq, req->base.flags, NULL, NULL); - skcipher_request_set_crypt(subreq, req->src, req->dst, + skcipher_request_set_tfm(&dev_req->fallback_req, ctx->sw_cipher); + skcipher_request_set_callback(&dev_req->fallback_req, req->base.flags, + req->base.complete, req->base.data); + skcipher_request_set_crypt(&dev_req->fallback_req, req->src, req->dst, req->cryptlen, req->iv); - err = is_encrypt ? crypto_skcipher_encrypt(subreq) : - crypto_skcipher_decrypt(subreq); - skcipher_request_zero(subreq); + err = is_encrypt ? crypto_skcipher_encrypt(&dev_req->fallback_req) : + crypto_skcipher_decrypt(&dev_req->fallback_req); return err; } @@ -1007,19 +1008,24 @@ static int spacc_ablk_init_tfm(struct crypto_skcipher *tfm) ctx->generic.flags = spacc_alg->type; ctx->generic.engine = engine; if (alg->base.cra_flags & CRYPTO_ALG_NEED_FALLBACK) { - ctx->sw_cipher = crypto_alloc_sync_skcipher( - alg->base.cra_name, 0, CRYPTO_ALG_NEED_FALLBACK); + ctx->sw_cipher = crypto_alloc_skcipher(alg->base.cra_name, 0, + CRYPTO_ALG_NEED_FALLBACK); if (IS_ERR(ctx->sw_cipher)) { dev_warn(engine->dev, "failed to allocate fallback for %s\n", alg->base.cra_name); return PTR_ERR(ctx->sw_cipher); } + crypto_skcipher_set_reqsize(tfm, sizeof(struct spacc_req) + + crypto_skcipher_reqsize(ctx->sw_cipher)); + } else { + /* take the size without the fallback skcipher_request at the end */ + crypto_skcipher_set_reqsize(tfm, offsetof(struct spacc_req, + fallback_req)); } + ctx->generic.key_offs = spacc_alg->key_offs; ctx->generic.iv_offs = spacc_alg->iv_offs; - crypto_skcipher_set_reqsize(tfm, sizeof(struct spacc_req)); - return 0; } @@ -1027,7 +1033,7 @@ static void spacc_ablk_exit_tfm(struct crypto_skcipher *tfm) { struct spacc_ablk_ctx *ctx = crypto_skcipher_ctx(tfm); - crypto_free_sync_skcipher(ctx->sw_cipher); + crypto_free_skcipher(ctx->sw_cipher); } static int spacc_ablk_encrypt(struct skcipher_request *req) @@ -1226,6 +1232,7 @@ static struct spacc_alg ipsec_engine_algs[] = { .base.cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_NEED_FALLBACK, .base.cra_blocksize = AES_BLOCK_SIZE, .base.cra_ctxsize = sizeof(struct spacc_ablk_ctx), @@ -1251,6 +1258,7 @@ static struct spacc_alg ipsec_engine_algs[] = { .base.cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_NEED_FALLBACK, .base.cra_blocksize = AES_BLOCK_SIZE, .base.cra_ctxsize = sizeof(struct spacc_ablk_ctx), @@ -1274,7 +1282,8 @@ static struct spacc_alg ipsec_engine_algs[] = { .base.cra_driver_name = "cbc-des-picoxcell", .base.cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC, + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY, .base.cra_blocksize = DES_BLOCK_SIZE, .base.cra_ctxsize = sizeof(struct spacc_ablk_ctx), .base.cra_module = THIS_MODULE, @@ -1298,7 +1307,8 @@ static struct spacc_alg ipsec_engine_algs[] = { .base.cra_driver_name = "ecb-des-picoxcell", .base.cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC, + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY, .base.cra_blocksize = DES_BLOCK_SIZE, .base.cra_ctxsize = sizeof(struct spacc_ablk_ctx), .base.cra_module = THIS_MODULE, @@ -1321,6 +1331,7 @@ static struct spacc_alg ipsec_engine_algs[] = { .base.cra_driver_name = "cbc-des3-ede-picoxcell", .base.cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .base.cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, .base.cra_blocksize = DES3_EDE_BLOCK_SIZE, .base.cra_ctxsize = sizeof(struct spacc_ablk_ctx), @@ -1345,6 +1356,7 @@ static struct spacc_alg ipsec_engine_algs[] = { .base.cra_driver_name = "ecb-des3-ede-picoxcell", .base.cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .base.cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, .base.cra_blocksize = DES3_EDE_BLOCK_SIZE, .base.cra_ctxsize = sizeof(struct spacc_ablk_ctx), @@ -1376,6 +1388,7 @@ static struct spacc_aead ipsec_engine_aeads[] = { "cbc-aes-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, @@ -1406,6 +1419,7 @@ static struct spacc_aead ipsec_engine_aeads[] = { "cbc-aes-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, @@ -1436,6 +1450,7 @@ static struct spacc_aead ipsec_engine_aeads[] = { "cbc-aes-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, @@ -1466,6 +1481,7 @@ static struct spacc_aead ipsec_engine_aeads[] = { "cbc-3des-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES3_EDE_BLOCK_SIZE, @@ -1497,6 +1513,7 @@ static struct spacc_aead ipsec_engine_aeads[] = { "cbc-3des-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES3_EDE_BLOCK_SIZE, @@ -1527,6 +1544,7 @@ static struct spacc_aead ipsec_engine_aeads[] = { "cbc-3des-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES3_EDE_BLOCK_SIZE, @@ -1556,6 +1574,7 @@ static struct spacc_alg l2_engine_algs[] = { .base.cra_driver_name = "f8-kasumi-picoxcell", .base.cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .base.cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, .base.cra_blocksize = 8, .base.cra_ctxsize = sizeof(struct spacc_ablk_ctx), |