diff options
Diffstat (limited to 'drivers/crypto/picoxcell_crypto.c')
| -rw-r--r-- | drivers/crypto/picoxcell_crypto.c | 107 |
1 files changed, 54 insertions, 53 deletions
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c index 58480d00932..5da5b98b8f2 100644 --- a/drivers/crypto/picoxcell_crypto.c +++ b/drivers/crypto/picoxcell_crypto.c @@ -495,45 +495,29 @@ static int spacc_aead_setkey(struct crypto_aead *tfm, const u8 *key, { struct spacc_aead_ctx *ctx = crypto_aead_ctx(tfm); struct spacc_alg *alg = to_spacc_alg(tfm->base.__crt_alg); - struct rtattr *rta = (void *)key; - struct crypto_authenc_key_param *param; - unsigned int authkeylen, enckeylen; + struct crypto_authenc_keys keys; int err = -EINVAL; - if (!RTA_OK(rta, keylen)) + if (crypto_authenc_extractkeys(&keys, key, keylen) != 0) goto badkey; - if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM) + if (keys.enckeylen > AES_MAX_KEY_SIZE) goto badkey; - if (RTA_PAYLOAD(rta) < sizeof(*param)) - goto badkey; - - param = RTA_DATA(rta); - enckeylen = be32_to_cpu(param->enckeylen); - - key += RTA_ALIGN(rta->rta_len); - keylen -= RTA_ALIGN(rta->rta_len); - - if (keylen < enckeylen) - goto badkey; - - authkeylen = keylen - enckeylen; - - if (enckeylen > AES_MAX_KEY_SIZE) + if (keys.authkeylen > sizeof(ctx->hash_ctx)) goto badkey; if ((alg->ctrl_default & SPACC_CRYPTO_ALG_MASK) == SPA_CTRL_CIPH_ALG_AES) - err = spacc_aead_aes_setkey(tfm, key + authkeylen, enckeylen); + err = spacc_aead_aes_setkey(tfm, keys.enckey, keys.enckeylen); else - err = spacc_aead_des_setkey(tfm, key + authkeylen, enckeylen); + err = spacc_aead_des_setkey(tfm, keys.enckey, keys.enckeylen); if (err) goto badkey; - memcpy(ctx->hash_ctx, key, authkeylen); - ctx->hash_key_len = authkeylen; + memcpy(ctx->hash_ctx, keys.authkey, keys.authkeylen); + ctx->hash_key_len = keys.authkeylen; return 0; @@ -1298,7 +1282,7 @@ static ssize_t spacc_stat_irq_thresh_store(struct device *dev, struct spacc_engine *engine = spacc_dev_to_engine(dev); unsigned long thresh; - if (strict_strtoul(buf, 0, &thresh)) + if (kstrtoul(buf, 0, &thresh)) return -EINVAL; thresh = clamp(thresh, 1UL, engine->fifo_sz - 1); @@ -1322,6 +1306,7 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_driver_name = "cbc-aes-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, .cra_blocksize = AES_BLOCK_SIZE, @@ -1349,6 +1334,7 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_driver_name = "ecb-aes-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_ablk_ctx), @@ -1373,7 +1359,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "cbc(des)", .cra_driver_name = "cbc-des-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_ablk_ctx), .cra_type = &crypto_ablkcipher_type, @@ -1398,7 +1386,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "ecb(des)", .cra_driver_name = "ecb-des-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_ablk_ctx), .cra_type = &crypto_ablkcipher_type, @@ -1422,7 +1412,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "cbc(des3_ede)", .cra_driver_name = "cbc-des3-ede-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_ablk_ctx), .cra_type = &crypto_ablkcipher_type, @@ -1447,7 +1439,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "ecb(des3_ede)", .cra_driver_name = "ecb-des3-ede-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_ablk_ctx), .cra_type = &crypto_ablkcipher_type, @@ -1472,7 +1466,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "authenc(hmac(sha1),cbc(aes))", .cra_driver_name = "authenc-hmac-sha1-cbc-aes-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_AEAD | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_aead_ctx), .cra_type = &crypto_aead_type, @@ -1500,7 +1496,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "authenc(hmac(sha256),cbc(aes))", .cra_driver_name = "authenc-hmac-sha256-cbc-aes-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_AEAD | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_aead_ctx), .cra_type = &crypto_aead_type, @@ -1527,7 +1525,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "authenc(hmac(md5),cbc(aes))", .cra_driver_name = "authenc-hmac-md5-cbc-aes-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_AEAD | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_aead_ctx), .cra_type = &crypto_aead_type, @@ -1554,7 +1554,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "authenc(hmac(sha1),cbc(des3_ede))", .cra_driver_name = "authenc-hmac-sha1-cbc-3des-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_AEAD | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_aead_ctx), .cra_type = &crypto_aead_type, @@ -1582,7 +1584,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "authenc(hmac(sha256),cbc(des3_ede))", .cra_driver_name = "authenc-hmac-sha256-cbc-3des-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_AEAD | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_aead_ctx), .cra_type = &crypto_aead_type, @@ -1609,7 +1613,9 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_name = "authenc(hmac(md5),cbc(des3_ede))", .cra_driver_name = "authenc-hmac-md5-cbc-3des-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_AEAD | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_ctxsize = sizeof(struct spacc_aead_ctx), .cra_type = &crypto_aead_type, @@ -1639,7 +1645,9 @@ static struct spacc_alg l2_engine_algs[] = { .cra_name = "f8(kasumi)", .cra_driver_name = "f8-kasumi-picoxcell", .cra_priority = SPACC_CRYPTO_ALG_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_GIVCIPHER | CRYPTO_ALG_ASYNC, + .cra_flags = CRYPTO_ALG_TYPE_GIVCIPHER | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = 8, .cra_ctxsize = sizeof(struct spacc_ablk_ctx), .cra_type = &crypto_ablkcipher_type, @@ -1664,8 +1672,6 @@ static const struct of_device_id spacc_of_id_table[] = { { .compatible = "picochip,spacc-l2" }, {} }; -#else /* CONFIG_OF */ -#define spacc_of_id_table NULL #endif /* CONFIG_OF */ static bool spacc_is_compatible(struct platform_device *pdev, @@ -1684,7 +1690,7 @@ static bool spacc_is_compatible(struct platform_device *pdev, return false; } -static int __devinit spacc_probe(struct platform_device *pdev) +static int spacc_probe(struct platform_device *pdev) { int i, err, ret = -EINVAL; struct resource *mem, *irq; @@ -1714,22 +1720,16 @@ static int __devinit spacc_probe(struct platform_device *pdev) engine->name = dev_name(&pdev->dev); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + engine->regs = devm_ioremap_resource(&pdev->dev, mem); + if (IS_ERR(engine->regs)) + return PTR_ERR(engine->regs); + irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!mem || !irq) { + if (!irq) { dev_err(&pdev->dev, "no memory/irq resource for engine\n"); return -ENXIO; } - if (!devm_request_mem_region(&pdev->dev, mem->start, resource_size(mem), - engine->name)) - return -ENOMEM; - - engine->regs = devm_ioremap(&pdev->dev, mem->start, resource_size(mem)); - if (!engine->regs) { - dev_err(&pdev->dev, "memory map failed\n"); - return -ENOMEM; - } - if (devm_request_irq(&pdev->dev, irq->start, spacc_spacc_irq, 0, engine->name, engine)) { dev_err(engine->dev, "failed to request IRQ\n"); @@ -1817,7 +1817,7 @@ static int __devinit spacc_probe(struct platform_device *pdev) return ret; } -static int __devexit spacc_remove(struct platform_device *pdev) +static int spacc_remove(struct platform_device *pdev) { struct spacc_alg *alg, *next; struct spacc_engine *engine = platform_get_drvdata(pdev); @@ -1839,17 +1839,18 @@ static int __devexit spacc_remove(struct platform_device *pdev) static const struct platform_device_id spacc_id_table[] = { { "picochip,spacc-ipsec", }, { "picochip,spacc-l2", }, + { } }; static struct platform_driver spacc_driver = { .probe = spacc_probe, - .remove = __devexit_p(spacc_remove), + .remove = spacc_remove, .driver = { .name = "picochip,spacc", #ifdef CONFIG_PM .pm = &spacc_pm_ops, #endif /* CONFIG_PM */ - .of_match_table = spacc_of_id_table, + .of_match_table = of_match_ptr(spacc_of_id_table), }, .id_table = spacc_id_table, }; |
