diff options
| author | Harsh Jain <harsh@chelsio.com> | 2017-06-15 10:13:43 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-06-20 06:21:35 +0300 |
| commit | b8fd1f4170e7e8bda45d7bcc750e909c859ec714 (patch) | |
| tree | ed3805bce0ae00492bc44acafea3f3fa24516584 /drivers/crypto/chelsio/chcr_crypto.h | |
| parent | d600fc8aae746de71631b52ff40d02cf90dd3b74 (diff) | |
| download | linux-b8fd1f4170e7e8bda45d7bcc750e909c859ec714.tar.xz | |
crypto: chcr - Add ctr mode and process large sg entries for cipher
It send multiple WRs to H/W to handle large sg lists. Adds ctr(aes)
and rfc(ctr(aes)) modes.
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/chelsio/chcr_crypto.h')
| -rw-r--r-- | drivers/crypto/chelsio/chcr_crypto.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/crypto/chelsio/chcr_crypto.h b/drivers/crypto/chelsio/chcr_crypto.h index 5b2fabb14229..b1b794435503 100644 --- a/drivers/crypto/chelsio/chcr_crypto.h +++ b/drivers/crypto/chelsio/chcr_crypto.h @@ -139,6 +139,9 @@ #define CRYPTO_ALG_SUB_TYPE_AEAD_RFC4309 0x06000000 #define CRYPTO_ALG_SUB_TYPE_AEAD_NULL 0x07000000 #define CRYPTO_ALG_SUB_TYPE_CTR 0x08000000 +#define CRYPTO_ALG_SUB_TYPE_CTR_RFC3686 0x09000000 +#define CRYPTO_ALG_SUB_TYPE_XTS 0x0a000000 +#define CRYPTO_ALG_SUB_TYPE_CBC 0x0b000000 #define CRYPTO_ALG_TYPE_HMAC (CRYPTO_ALG_TYPE_AHASH |\ CRYPTO_ALG_SUB_TYPE_HASH_HMAC) @@ -150,10 +153,12 @@ /* Aligned to 128 bit boundary */ struct ablk_ctx { + struct crypto_skcipher *sw_cipher; __be32 key_ctx_hdr; unsigned int enckey_len; - u8 key[CHCR_AES_MAX_KEY_LEN]; unsigned char ciph_mode; + u8 key[CHCR_AES_MAX_KEY_LEN]; + u8 nonce[4]; u8 rrkey[AES_MAX_KEY_SIZE]; }; struct chcr_aead_reqctx { @@ -233,7 +238,14 @@ struct chcr_ahash_req_ctx { struct chcr_blkcipher_req_ctx { struct sk_buff *skb; - unsigned int dst_nents; + struct scatterlist srcffwd[2]; + struct scatterlist dstffwd[2]; + struct scatterlist *dstsg; + struct scatterlist *dst; + struct scatterlist *newdstsg; + unsigned int processed; + unsigned int op; + short int dst_nents; u8 iv[CHCR_MAX_CRYPTO_IV_LEN]; }; @@ -275,5 +287,6 @@ static int chcr_aead_op(struct aead_request *req_base, int size, create_wr_t create_wr_fn); static inline int get_aead_subtype(struct crypto_aead *aead); - +static int chcr_handle_cipher_resp(struct ablkcipher_request *req, + unsigned char *input, int err); #endif /* __CHCR_CRYPTO_H__ */ |