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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.c189
1 files changed, 28 insertions, 161 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 7e7a8f01ea6b..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 */
@@ -879,7 +862,7 @@ static int hifn_enable_crypto(struct hifn_device *dev)
static void hifn_init_dma(struct hifn_device *dev)
{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
u32 dptr = dev->desc_dma;
int i;
@@ -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);
}
@@ -1072,7 +1054,7 @@ static int hifn_setup_crypto_command(struct hifn_device *dev,
u8 *buf, unsigned dlen, unsigned slen,
u8 *key, int keylen, u8 *iv, int ivsize, u16 mode)
{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
struct hifn_crypt_command *cry_cmd;
u8 *buf_pos = buf;
u16 cmd_len;
@@ -1113,7 +1095,7 @@ static int hifn_setup_cmd_desc(struct hifn_device *dev,
struct hifn_context *ctx, struct hifn_request_context *rctx,
void *priv, unsigned int nbytes)
{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
int cmd_len, sa_idx;
u8 *buf, *buf_pos;
u16 mask;
@@ -1231,7 +1213,7 @@ err_out:
static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
unsigned int offset, unsigned int size, int last)
{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
int idx;
dma_addr_t addr;
@@ -1264,7 +1246,7 @@ static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
static void hifn_setup_res_desc(struct hifn_device *dev)
{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
dma->resr[dma->resi].l = __cpu_to_le32(HIFN_USED_RESULT |
HIFN_D_VALID | HIFN_D_LAST);
@@ -1290,7 +1272,7 @@ static void hifn_setup_res_desc(struct hifn_device *dev)
static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page,
unsigned offset, unsigned size, int last)
{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
int idx;
dma_addr_t addr;
@@ -1705,12 +1687,12 @@ static void hifn_process_ready(struct skcipher_request *req, int error)
hifn_cipher_walk_exit(&rctx->walk);
}
- req->base.complete(&req->base, error);
+ skcipher_request_complete(req, error);
}
static void hifn_clear_rings(struct hifn_device *dev, int error)
{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
int i, u;
dev_dbg(&dev->pdev->dev, "ring cleanup 1: i: %d.%d.%d.%d, u: %d.%d.%d.%d, "
@@ -1784,7 +1766,7 @@ static void hifn_work(struct work_struct *work)
spin_lock_irqsave(&dev->lock, flags);
if (dev->active == 0) {
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
if (dma->cmdu == 0 && (dev->flags & HIFN_FLAG_CMD_BUSY)) {
dev->flags &= ~HIFN_FLAG_CMD_BUSY;
@@ -1815,7 +1797,7 @@ static void hifn_work(struct work_struct *work)
if (reset) {
if (++dev->reset >= 5) {
int i;
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
dev_info(&dev->pdev->dev,
"r: %08x, active: %d, started: %d, "
@@ -1848,8 +1830,8 @@ static void hifn_work(struct work_struct *work)
static irqreturn_t hifn_interrupt(int irq, void *data)
{
- struct hifn_device *dev = (struct hifn_device *)data;
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_device *dev = data;
+ struct hifn_dma *dma = dev->desc_virt;
u32 dmacsr, restart;
dmacsr = hifn_read_1(dev, HIFN_1_DMA_CSR);
@@ -1914,7 +1896,7 @@ static void hifn_flush(struct hifn_device *dev)
unsigned long flags;
struct crypto_async_request *async_req;
struct skcipher_request *req;
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ struct hifn_dma *dma = dev->desc_virt;
int i;
for (i = 0; i < HIFN_D_RES_RSIZE; ++i) {
@@ -2054,7 +2036,7 @@ static int hifn_process_queue(struct hifn_device *dev)
break;
if (backlog)
- backlog->complete(backlog, -EINPROGRESS);
+ crypto_request_complete(backlog, -EINPROGRESS);
req = skcipher_request_cast(async_req);
@@ -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 00:40:24 +0000