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path: root/drivers/crypto/hifn_795x.c
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Diffstat (limited to 'drivers/crypto/hifn_795x.c')
-rw-r--r--drivers/crypto/hifn_795x.c161
1 files changed, 14 insertions, 147 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 8e4a49b7ab4f..edf36f6add52 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -495,16 +495,6 @@ struct hifn_crypt_command {
#define HIFN_CRYPT_CMD_SRCLEN_M 0xc000
#define HIFN_CRYPT_CMD_SRCLEN_S 14
-/*
- * Structure to help build up the command data structure.
- */
-struct hifn_mac_command {
- volatile __le16 masks;
- volatile __le16 header_skip;
- volatile __le16 source_count;
- volatile __le16 reserved;
-};
-
#define HIFN_MAC_CMD_ALG_MASK 0x0001
#define HIFN_MAC_CMD_ALG_SHA1 0x0000
#define HIFN_MAC_CMD_ALG_MD5 0x0001
@@ -526,13 +516,6 @@ struct hifn_mac_command {
#define HIFN_MAC_CMD_POS_IPSEC 0x0200
#define HIFN_MAC_CMD_NEW_KEY 0x0800
-struct hifn_comp_command {
- volatile __le16 masks;
- volatile __le16 header_skip;
- volatile __le16 source_count;
- volatile __le16 reserved;
-};
-
#define HIFN_COMP_CMD_SRCLEN_M 0xc000
#define HIFN_COMP_CMD_SRCLEN_S 14
#define HIFN_COMP_CMD_ONE 0x0100 /* must be one */
@@ -930,11 +913,10 @@ static void hifn_init_pll(struct hifn_device *dev)
else
pllcfg |= HIFN_PLL_REF_CLK_HBI;
- if (hifn_pll_ref[3] != '\0')
- freq = simple_strtoul(hifn_pll_ref + 3, NULL, 10);
- else {
+ if (hifn_pll_ref[3] == '\0' ||
+ kstrtouint(hifn_pll_ref + 3, 10, &freq)) {
freq = 66;
- dev_info(&dev->pdev->dev, "assuming %uMHz clock speed, override with hifn_pll_ref=%.3s<frequency>\n",
+ dev_info(&dev->pdev->dev, "assuming %u MHz clock speed, override with hifn_pll_ref=%.3s<frequency>\n",
freq, hifn_pll_ref);
}
@@ -2096,16 +2078,6 @@ static inline int hifn_encrypt_aes_cbc(struct skcipher_request *req)
return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
ACRYPTO_TYPE_AES_128, ACRYPTO_MODE_CBC);
}
-static inline int hifn_encrypt_aes_cfb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
- ACRYPTO_TYPE_AES_128, ACRYPTO_MODE_CFB);
-}
-static inline int hifn_encrypt_aes_ofb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
- ACRYPTO_TYPE_AES_128, ACRYPTO_MODE_OFB);
-}
/*
* AES decryption functions.
@@ -2120,16 +2092,6 @@ static inline int hifn_decrypt_aes_cbc(struct skcipher_request *req)
return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
ACRYPTO_TYPE_AES_128, ACRYPTO_MODE_CBC);
}
-static inline int hifn_decrypt_aes_cfb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
- ACRYPTO_TYPE_AES_128, ACRYPTO_MODE_CFB);
-}
-static inline int hifn_decrypt_aes_ofb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
- ACRYPTO_TYPE_AES_128, ACRYPTO_MODE_OFB);
-}
/*
* DES ecryption functions.
@@ -2144,16 +2106,6 @@ static inline int hifn_encrypt_des_cbc(struct skcipher_request *req)
return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
ACRYPTO_TYPE_DES, ACRYPTO_MODE_CBC);
}
-static inline int hifn_encrypt_des_cfb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
- ACRYPTO_TYPE_DES, ACRYPTO_MODE_CFB);
-}
-static inline int hifn_encrypt_des_ofb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
- ACRYPTO_TYPE_DES, ACRYPTO_MODE_OFB);
-}
/*
* DES decryption functions.
@@ -2168,16 +2120,6 @@ static inline int hifn_decrypt_des_cbc(struct skcipher_request *req)
return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
ACRYPTO_TYPE_DES, ACRYPTO_MODE_CBC);
}
-static inline int hifn_decrypt_des_cfb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
- ACRYPTO_TYPE_DES, ACRYPTO_MODE_CFB);
-}
-static inline int hifn_decrypt_des_ofb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
- ACRYPTO_TYPE_DES, ACRYPTO_MODE_OFB);
-}
/*
* 3DES ecryption functions.
@@ -2192,16 +2134,6 @@ static inline int hifn_encrypt_3des_cbc(struct skcipher_request *req)
return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
ACRYPTO_TYPE_3DES, ACRYPTO_MODE_CBC);
}
-static inline int hifn_encrypt_3des_cfb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
- ACRYPTO_TYPE_3DES, ACRYPTO_MODE_CFB);
-}
-static inline int hifn_encrypt_3des_ofb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_ENCRYPT,
- ACRYPTO_TYPE_3DES, ACRYPTO_MODE_OFB);
-}
/* 3DES decryption functions. */
static inline int hifn_decrypt_3des_ecb(struct skcipher_request *req)
@@ -2214,16 +2146,6 @@ static inline int hifn_decrypt_3des_cbc(struct skcipher_request *req)
return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
ACRYPTO_TYPE_3DES, ACRYPTO_MODE_CBC);
}
-static inline int hifn_decrypt_3des_cfb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
- ACRYPTO_TYPE_3DES, ACRYPTO_MODE_CFB);
-}
-static inline int hifn_decrypt_3des_ofb(struct skcipher_request *req)
-{
- return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
- ACRYPTO_TYPE_3DES, ACRYPTO_MODE_OFB);
-}
struct hifn_alg_template {
char name[CRYPTO_MAX_ALG_NAME];
@@ -2234,29 +2156,9 @@ struct hifn_alg_template {
static const struct hifn_alg_template hifn_alg_templates[] = {
/*
- * 3DES ECB, CBC, CFB and OFB modes.
+ * 3DES ECB and CBC modes.
*/
{
- .name = "cfb(des3_ede)", .drv_name = "cfb-3des", .bsize = 8,
- .skcipher = {
- .min_keysize = HIFN_3DES_KEY_LENGTH,
- .max_keysize = HIFN_3DES_KEY_LENGTH,
- .setkey = hifn_des3_setkey,
- .encrypt = hifn_encrypt_3des_cfb,
- .decrypt = hifn_decrypt_3des_cfb,
- },
- },
- {
- .name = "ofb(des3_ede)", .drv_name = "ofb-3des", .bsize = 8,
- .skcipher = {
- .min_keysize = HIFN_3DES_KEY_LENGTH,
- .max_keysize = HIFN_3DES_KEY_LENGTH,
- .setkey = hifn_des3_setkey,
- .encrypt = hifn_encrypt_3des_ofb,
- .decrypt = hifn_decrypt_3des_ofb,
- },
- },
- {
.name = "cbc(des3_ede)", .drv_name = "cbc-3des", .bsize = 8,
.skcipher = {
.ivsize = HIFN_IV_LENGTH,
@@ -2279,29 +2181,9 @@ static const struct hifn_alg_template hifn_alg_templates[] = {
},
/*
- * DES ECB, CBC, CFB and OFB modes.
+ * DES ECB and CBC modes.
*/
{
- .name = "cfb(des)", .drv_name = "cfb-des", .bsize = 8,
- .skcipher = {
- .min_keysize = HIFN_DES_KEY_LENGTH,
- .max_keysize = HIFN_DES_KEY_LENGTH,
- .setkey = hifn_setkey,
- .encrypt = hifn_encrypt_des_cfb,
- .decrypt = hifn_decrypt_des_cfb,
- },
- },
- {
- .name = "ofb(des)", .drv_name = "ofb-des", .bsize = 8,
- .skcipher = {
- .min_keysize = HIFN_DES_KEY_LENGTH,
- .max_keysize = HIFN_DES_KEY_LENGTH,
- .setkey = hifn_setkey,
- .encrypt = hifn_encrypt_des_ofb,
- .decrypt = hifn_decrypt_des_ofb,
- },
- },
- {
.name = "cbc(des)", .drv_name = "cbc-des", .bsize = 8,
.skcipher = {
.ivsize = HIFN_IV_LENGTH,
@@ -2324,7 +2206,7 @@ static const struct hifn_alg_template hifn_alg_templates[] = {
},
/*
- * AES ECB, CBC, CFB and OFB modes.
+ * AES ECB and CBC modes.
*/
{
.name = "ecb(aes)", .drv_name = "ecb-aes", .bsize = 16,
@@ -2347,26 +2229,6 @@ static const struct hifn_alg_template hifn_alg_templates[] = {
.decrypt = hifn_decrypt_aes_cbc,
},
},
- {
- .name = "cfb(aes)", .drv_name = "cfb-aes", .bsize = 16,
- .skcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = hifn_setkey,
- .encrypt = hifn_encrypt_aes_cfb,
- .decrypt = hifn_decrypt_aes_cfb,
- },
- },
- {
- .name = "ofb(aes)", .drv_name = "ofb-aes", .bsize = 16,
- .skcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = hifn_setkey,
- .encrypt = hifn_encrypt_aes_ofb,
- .decrypt = hifn_decrypt_aes_ofb,
- },
- },
};
static int hifn_init_tfm(struct crypto_skcipher *tfm)
@@ -2393,9 +2255,13 @@ static int hifn_alg_alloc(struct hifn_device *dev, const struct hifn_alg_templat
alg->alg = t->skcipher;
alg->alg.init = hifn_init_tfm;
- snprintf(alg->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", t->name);
- snprintf(alg->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-%s",
- t->drv_name, dev->name);
+ err = -EINVAL;
+ if (snprintf(alg->alg.base.cra_name, CRYPTO_MAX_ALG_NAME,
+ "%s", t->name) >= CRYPTO_MAX_ALG_NAME)
+ goto out_free_alg;
+ if (snprintf(alg->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME,
+ "%s-%s", t->drv_name, dev->name) >= CRYPTO_MAX_ALG_NAME)
+ goto out_free_alg;
alg->alg.base.cra_priority = 300;
alg->alg.base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC;
@@ -2411,6 +2277,7 @@ static int hifn_alg_alloc(struct hifn_device *dev, const struct hifn_alg_templat
err = crypto_register_skcipher(&alg->alg);
if (err) {
list_del(&alg->entry);
+out_free_alg:
kfree(alg);
}
generated by cgit (git 2.34.1) at 2025-12-25 10:29:11 +0000