diff options
| author | Harsh Jain <harsh@chelsio.com> | 2017-04-10 18:23:59 +0530 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-04-21 20:30:32 +0800 |
| commit | 0a7bd30c1b7fca5f1443f1bc2dfdc2681d315359 (patch) | |
| tree | c8759c67ef51f143d54728bae52dd44f15833f9d /drivers/crypto | |
| parent | e29abda591b517be47df7479962ce6baee302a85 (diff) | |
| download | linux-0a7bd30c1b7fca5f1443f1bc2dfdc2681d315359.tar.gz | |
crypto: chcr - Set hmac_ctrl bit to use HW register HMAC_CFG[456]
Use hmac_ctrl bit value saved in setauthsize callback. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/chelsio/chcr_algo.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c index 7d595912909c..2d610437bf6e 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -1335,19 +1335,6 @@ static int chcr_copy_assoc(struct aead_request *req, return crypto_skcipher_encrypt(skreq); } -static unsigned char get_hmac(unsigned int authsize) -{ - switch (authsize) { - case ICV_8: - return CHCR_SCMD_HMAC_CTRL_PL1; - case ICV_10: - return CHCR_SCMD_HMAC_CTRL_TRUNC_RFC4366; - case ICV_12: - return CHCR_SCMD_HMAC_CTRL_IPSEC_96BIT; - } - return CHCR_SCMD_HMAC_CTRL_NO_TRUNC; -} - static struct sk_buff *create_authenc_wr(struct aead_request *req, unsigned short qid, @@ -1600,13 +1587,13 @@ static void fill_sec_cpl_for_aead(struct cpl_tx_sec_pdu *sec_cpl, struct chcr_context *chcrctx) { struct crypto_aead *tfm = crypto_aead_reqtfm(req); + struct chcr_aead_ctx *aeadctx = AEAD_CTX(crypto_aead_ctx(tfm)); unsigned int ivsize = AES_BLOCK_SIZE; unsigned int cipher_mode = CHCR_SCMD_CIPHER_MODE_AES_CCM; unsigned int mac_mode = CHCR_SCMD_AUTH_MODE_CBCMAC; unsigned int c_id = chcrctx->dev->rx_channel_id; unsigned int ccm_xtra; unsigned char tag_offset = 0, auth_offset = 0; - unsigned char hmac_ctrl = get_hmac(crypto_aead_authsize(tfm)); unsigned int assoclen; if (get_aead_subtype(tfm) == CRYPTO_ALG_SUB_TYPE_AEAD_RFC4309) @@ -1642,8 +1629,8 @@ static void fill_sec_cpl_for_aead(struct cpl_tx_sec_pdu *sec_cpl, crypto_aead_authsize(tfm)); sec_cpl->seqno_numivs = FILL_SEC_CPL_SCMD0_SEQNO(op_type, (op_type == CHCR_ENCRYPT_OP) ? 0 : 1, - cipher_mode, mac_mode, hmac_ctrl, - ivsize >> 1); + cipher_mode, mac_mode, + aeadctx->hmac_ctrl, ivsize >> 1); sec_cpl->ivgen_hdrlen = FILL_SEC_CPL_IVGEN_HDRLEN(0, 0, 1, 0, 1, dst_size); @@ -1820,7 +1807,6 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req, unsigned char tag_offset = 0; unsigned int crypt_len = 0; unsigned int authsize = crypto_aead_authsize(tfm); - unsigned char hmac_ctrl = get_hmac(authsize); int err = 0; gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL : GFP_ATOMIC; @@ -1893,8 +1879,8 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req, FILL_SEC_CPL_SCMD0_SEQNO(op_type, (op_type == CHCR_ENCRYPT_OP) ? 1 : 0, CHCR_SCMD_CIPHER_MODE_AES_GCM, - CHCR_SCMD_AUTH_MODE_GHASH, hmac_ctrl, - ivsize >> 1); + CHCR_SCMD_AUTH_MODE_GHASH, + aeadctx->hmac_ctrl, ivsize >> 1); } else { chcr_req->sec_cpl.cipherstop_lo_authinsert = FILL_SEC_CPL_AUTHINSERT(0, 0, 0, 0); |