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authorHarsh Jain <harsh@chelsio.com>2017-06-15 12:43:43 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2017-06-20 11:21:35 +0800
commitb8fd1f4170e7e8bda45d7bcc750e909c859ec714 (patch)
treeed3805bce0ae00492bc44acafea3f3fa24516584 /drivers/crypto/chelsio/chcr_crypto.h
parentd600fc8aae746de71631b52ff40d02cf90dd3b74 (diff)
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.h19
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__ */