diff options
Diffstat (limited to 'drivers/crypto/chelsio/chcr_algo.h')
| -rw-r--r-- | drivers/crypto/chelsio/chcr_algo.h | 103 |
1 files changed, 21 insertions, 82 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h index 199b0bb69b89..3c7c51f7bedf 100644 --- a/drivers/crypto/chelsio/chcr_algo.h +++ b/drivers/crypto/chelsio/chcr_algo.h @@ -108,30 +108,24 @@ #define IPAD_DATA 0x36363636 #define OPAD_DATA 0x5c5c5c5c -#define TRANSHDR_SIZE(alignedkctx_len)\ - (sizeof(struct ulptx_idata) +\ - sizeof(struct ulp_txpkt) +\ - sizeof(struct fw_crypto_lookaside_wr) +\ - sizeof(struct cpl_tx_sec_pdu) +\ - (alignedkctx_len)) -#define CIPHER_TRANSHDR_SIZE(alignedkctx_len, sge_pairs) \ - (TRANSHDR_SIZE(alignedkctx_len) + sge_pairs +\ +#define TRANSHDR_SIZE(kctx_len)\ + (sizeof(struct chcr_wr) +\ + kctx_len) +#define CIPHER_TRANSHDR_SIZE(kctx_len, sge_pairs) \ + (TRANSHDR_SIZE((kctx_len)) + (sge_pairs) +\ sizeof(struct cpl_rx_phys_dsgl)) -#define HASH_TRANSHDR_SIZE(alignedkctx_len)\ - (TRANSHDR_SIZE(alignedkctx_len) + DUMMY_BYTES) +#define HASH_TRANSHDR_SIZE(kctx_len)\ + (TRANSHDR_SIZE(kctx_len) + DUMMY_BYTES) -#define SEC_CPL_OFFSET (sizeof(struct fw_crypto_lookaside_wr) + \ - sizeof(struct ulp_txpkt) + \ - sizeof(struct ulptx_idata)) -#define FILL_SEC_CPL_OP_IVINSR(id, len, hldr, ofst) \ +#define FILL_SEC_CPL_OP_IVINSR(id, len, ofst) \ htonl( \ CPL_TX_SEC_PDU_OPCODE_V(CPL_TX_SEC_PDU) | \ CPL_TX_SEC_PDU_RXCHID_V((id)) | \ CPL_TX_SEC_PDU_ACKFOLLOWS_V(0) | \ CPL_TX_SEC_PDU_ULPTXLPBK_V(1) | \ CPL_TX_SEC_PDU_CPLLEN_V((len)) | \ - CPL_TX_SEC_PDU_PLACEHOLDER_V((hldr)) | \ + CPL_TX_SEC_PDU_PLACEHOLDER_V(0) | \ CPL_TX_SEC_PDU_IVINSRTOFST_V((ofst))) #define FILL_SEC_CPL_CIPHERSTOP_HI(a_start, a_stop, c_start, c_stop_hi) \ @@ -148,7 +142,7 @@ CPL_TX_SEC_PDU_AUTHSTOP_V((a_stop)) | \ CPL_TX_SEC_PDU_AUTHINSERT_V((a_inst))) -#define FILL_SEC_CPL_SCMD0_SEQNO(ctrl, seq, cmode, amode, opad, size, nivs) \ +#define FILL_SEC_CPL_SCMD0_SEQNO(ctrl, seq, cmode, amode, opad, size) \ htonl( \ SCMD_SEQ_NO_CTRL_V(0) | \ SCMD_STATUS_PRESENT_V(0) | \ @@ -159,7 +153,7 @@ SCMD_AUTH_MODE_V((amode)) | \ SCMD_HMAC_CTRL_V((opad)) | \ SCMD_IV_SIZE_V((size)) | \ - SCMD_NUM_IVS_V((nivs))) + SCMD_NUM_IVS_V(0)) #define FILL_SEC_CPL_IVGEN_HDRLEN(last, more, ctx_in, mac, ivdrop, len) htonl( \ SCMD_ENB_DBGID_V(0) | \ @@ -264,13 +258,15 @@ enum { * where they indicate the size of the integrity check value (ICV) */ enum { - AES_CCM_ICV_4 = 4, - AES_CCM_ICV_6 = 6, - AES_CCM_ICV_8 = 8, - AES_CCM_ICV_10 = 10, - AES_CCM_ICV_12 = 12, - AES_CCM_ICV_14 = 14, - AES_CCM_ICV_16 = 16 + ICV_4 = 4, + ICV_6 = 6, + ICV_8 = 8, + ICV_10 = 10, + ICV_12 = 12, + ICV_13 = 13, + ICV_14 = 14, + ICV_15 = 15, + ICV_16 = 16 }; struct hash_op_params { @@ -394,7 +390,7 @@ static const u8 aes_sbox[256] = { 187, 22 }; -static u32 aes_ks_subword(const u32 w) +static inline u32 aes_ks_subword(const u32 w) { u8 bytes[4]; @@ -412,61 +408,4 @@ static u32 round_constant[11] = { 0x1B000000, 0x36000000, 0x6C000000 }; -/* dec_key - OUTPUT - Reverse round key - * key - INPUT - key - * keylength - INPUT - length of the key in number of bits - */ -static inline void get_aes_decrypt_key(unsigned char *dec_key, - const unsigned char *key, - unsigned int keylength) -{ - u32 temp; - u32 w_ring[MAX_NK]; - int i, j, k; - u8 nr, nk; - - switch (keylength) { - case AES_KEYLENGTH_128BIT: - nk = KEYLENGTH_4BYTES; - nr = NUMBER_OF_ROUNDS_10; - break; - - case AES_KEYLENGTH_192BIT: - nk = KEYLENGTH_6BYTES; - nr = NUMBER_OF_ROUNDS_12; - break; - case AES_KEYLENGTH_256BIT: - nk = KEYLENGTH_8BYTES; - nr = NUMBER_OF_ROUNDS_14; - break; - default: - return; - } - for (i = 0; i < nk; i++ ) - w_ring[i] = be32_to_cpu(*(u32 *)&key[4 * i]); - - i = 0; - temp = w_ring[nk - 1]; - while(i + nk < (nr + 1) * 4) { - if(!(i % nk)) { - /* RotWord(temp) */ - temp = (temp << 8) | (temp >> 24); - temp = aes_ks_subword(temp); - temp ^= round_constant[i / nk]; - } - else if (nk == 8 && (i % 4 == 0)) - temp = aes_ks_subword(temp); - w_ring[i % nk] ^= temp; - temp = w_ring[i % nk]; - i++; - } - i--; - for (k = 0, j = i % nk; k < nk; k++) { - *((u32 *)dec_key + k) = htonl(w_ring[j]); - j--; - if(j < 0) - j += nk; - } -} - #endif /* __CHCR_ALGO_H__ */ |