numam-dpdk/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
Deepak Kumar Jain a38dfe974b qat: add SNOW 3G
Signed-off-by: Deepak Kumar Jain <deepak.k.jain@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
2016-03-10 23:04:56 +01:00

830 lines
28 KiB
C

/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
* Copyright(c) 2015-2016 Intel Corporation.
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* Contact Information:
* qat-linux@intel.com
*
* BSD LICENSE
* Copyright(c) 2015-2016 Intel Corporation.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <rte_memcpy.h>
#include <rte_common.h>
#include <rte_spinlock.h>
#include <rte_byteorder.h>
#include <rte_log.h>
#include <rte_malloc.h>
#include "../qat_logs.h"
#include "qat_algs.h"
#include <openssl/sha.h> /* Needed to calculate pre-compute values */
#include <openssl/aes.h> /* Needed to calculate pre-compute values */
/*
* Returns size in bytes per hash algo for state1 size field in cd_ctrl
* This is digest size rounded up to nearest quadword
*/
static int qat_hash_get_state1_size(enum icp_qat_hw_auth_algo qat_hash_alg)
{
switch (qat_hash_alg) {
case ICP_QAT_HW_AUTH_ALGO_SHA1:
return QAT_HW_ROUND_UP(ICP_QAT_HW_SHA1_STATE1_SZ,
QAT_HW_DEFAULT_ALIGNMENT);
case ICP_QAT_HW_AUTH_ALGO_SHA256:
return QAT_HW_ROUND_UP(ICP_QAT_HW_SHA256_STATE1_SZ,
QAT_HW_DEFAULT_ALIGNMENT);
case ICP_QAT_HW_AUTH_ALGO_SHA512:
return QAT_HW_ROUND_UP(ICP_QAT_HW_SHA512_STATE1_SZ,
QAT_HW_DEFAULT_ALIGNMENT);
case ICP_QAT_HW_AUTH_ALGO_AES_XCBC_MAC:
return QAT_HW_ROUND_UP(ICP_QAT_HW_AES_XCBC_MAC_STATE1_SZ,
QAT_HW_DEFAULT_ALIGNMENT);
case ICP_QAT_HW_AUTH_ALGO_GALOIS_128:
case ICP_QAT_HW_AUTH_ALGO_GALOIS_64:
return QAT_HW_ROUND_UP(ICP_QAT_HW_GALOIS_128_STATE1_SZ,
QAT_HW_DEFAULT_ALIGNMENT);
case ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2:
return QAT_HW_ROUND_UP(ICP_QAT_HW_SNOW_3G_UIA2_STATE1_SZ,
QAT_HW_DEFAULT_ALIGNMENT);
case ICP_QAT_HW_AUTH_ALGO_DELIMITER:
/* return maximum state1 size in this case */
return QAT_HW_ROUND_UP(ICP_QAT_HW_SHA512_STATE1_SZ,
QAT_HW_DEFAULT_ALIGNMENT);
default:
PMD_DRV_LOG(ERR, "invalid hash alg %u", qat_hash_alg);
return -EFAULT;
};
return -EFAULT;
}
/* returns digest size in bytes per hash algo */
static int qat_hash_get_digest_size(enum icp_qat_hw_auth_algo qat_hash_alg)
{
switch (qat_hash_alg) {
case ICP_QAT_HW_AUTH_ALGO_SHA1:
return ICP_QAT_HW_SHA1_STATE1_SZ;
case ICP_QAT_HW_AUTH_ALGO_SHA256:
return ICP_QAT_HW_SHA256_STATE1_SZ;
case ICP_QAT_HW_AUTH_ALGO_SHA512:
return ICP_QAT_HW_SHA512_STATE1_SZ;
case ICP_QAT_HW_AUTH_ALGO_DELIMITER:
/* return maximum digest size in this case */
return ICP_QAT_HW_SHA512_STATE1_SZ;
default:
PMD_DRV_LOG(ERR, "invalid hash alg %u", qat_hash_alg);
return -EFAULT;
};
return -EFAULT;
}
/* returns block size in byes per hash algo */
static int qat_hash_get_block_size(enum icp_qat_hw_auth_algo qat_hash_alg)
{
switch (qat_hash_alg) {
case ICP_QAT_HW_AUTH_ALGO_SHA1:
return SHA_CBLOCK;
case ICP_QAT_HW_AUTH_ALGO_SHA256:
return SHA256_CBLOCK;
case ICP_QAT_HW_AUTH_ALGO_SHA512:
return SHA512_CBLOCK;
case ICP_QAT_HW_AUTH_ALGO_GALOIS_128:
return 16;
case ICP_QAT_HW_AUTH_ALGO_DELIMITER:
/* return maximum block size in this case */
return SHA512_CBLOCK;
default:
PMD_DRV_LOG(ERR, "invalid hash alg %u", qat_hash_alg);
return -EFAULT;
};
return -EFAULT;
}
static int partial_hash_sha1(uint8_t *data_in, uint8_t *data_out)
{
SHA_CTX ctx;
if (!SHA1_Init(&ctx))
return -EFAULT;
SHA1_Transform(&ctx, data_in);
rte_memcpy(data_out, &ctx, SHA_DIGEST_LENGTH);
return 0;
}
static int partial_hash_sha256(uint8_t *data_in, uint8_t *data_out)
{
SHA256_CTX ctx;
if (!SHA256_Init(&ctx))
return -EFAULT;
SHA256_Transform(&ctx, data_in);
rte_memcpy(data_out, &ctx, SHA256_DIGEST_LENGTH);
return 0;
}
static int partial_hash_sha512(uint8_t *data_in, uint8_t *data_out)
{
SHA512_CTX ctx;
if (!SHA512_Init(&ctx))
return -EFAULT;
SHA512_Transform(&ctx, data_in);
rte_memcpy(data_out, &ctx, SHA512_DIGEST_LENGTH);
return 0;
}
static int partial_hash_compute(enum icp_qat_hw_auth_algo hash_alg,
uint8_t *data_in,
uint8_t *data_out)
{
int digest_size;
uint8_t digest[qat_hash_get_digest_size(
ICP_QAT_HW_AUTH_ALGO_DELIMITER)];
uint32_t *hash_state_out_be32;
uint64_t *hash_state_out_be64;
int i;
PMD_INIT_FUNC_TRACE();
digest_size = qat_hash_get_digest_size(hash_alg);
if (digest_size <= 0)
return -EFAULT;
hash_state_out_be32 = (uint32_t *)data_out;
hash_state_out_be64 = (uint64_t *)data_out;
switch (hash_alg) {
case ICP_QAT_HW_AUTH_ALGO_SHA1:
if (partial_hash_sha1(data_in, digest))
return -EFAULT;
for (i = 0; i < digest_size >> 2; i++, hash_state_out_be32++)
*hash_state_out_be32 =
rte_bswap32(*(((uint32_t *)digest)+i));
break;
case ICP_QAT_HW_AUTH_ALGO_SHA256:
if (partial_hash_sha256(data_in, digest))
return -EFAULT;
for (i = 0; i < digest_size >> 2; i++, hash_state_out_be32++)
*hash_state_out_be32 =
rte_bswap32(*(((uint32_t *)digest)+i));
break;
case ICP_QAT_HW_AUTH_ALGO_SHA512:
if (partial_hash_sha512(data_in, digest))
return -EFAULT;
for (i = 0; i < digest_size >> 3; i++, hash_state_out_be64++)
*hash_state_out_be64 =
rte_bswap64(*(((uint64_t *)digest)+i));
break;
default:
PMD_DRV_LOG(ERR, "invalid hash alg %u", hash_alg);
return -EFAULT;
}
return 0;
}
#define HMAC_IPAD_VALUE 0x36
#define HMAC_OPAD_VALUE 0x5c
#define HASH_XCBC_PRECOMP_KEY_NUM 3
static int qat_alg_do_precomputes(enum icp_qat_hw_auth_algo hash_alg,
const uint8_t *auth_key,
uint16_t auth_keylen,
uint8_t *p_state_buf,
uint16_t *p_state_len)
{
int block_size;
uint8_t ipad[qat_hash_get_block_size(ICP_QAT_HW_AUTH_ALGO_DELIMITER)];
uint8_t opad[qat_hash_get_block_size(ICP_QAT_HW_AUTH_ALGO_DELIMITER)];
int i;
PMD_INIT_FUNC_TRACE();
if (hash_alg == ICP_QAT_HW_AUTH_ALGO_AES_XCBC_MAC) {
static uint8_t qat_aes_xcbc_key_seed[
ICP_QAT_HW_AES_XCBC_MAC_STATE2_SZ] = {
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
};
uint8_t *in = NULL;
uint8_t *out = p_state_buf;
int x;
AES_KEY enc_key;
in = rte_zmalloc("working mem for key",
ICP_QAT_HW_AES_XCBC_MAC_STATE2_SZ, 16);
rte_memcpy(in, qat_aes_xcbc_key_seed,
ICP_QAT_HW_AES_XCBC_MAC_STATE2_SZ);
for (x = 0; x < HASH_XCBC_PRECOMP_KEY_NUM; x++) {
if (AES_set_encrypt_key(auth_key, auth_keylen << 3,
&enc_key) != 0) {
rte_free(in -
(x * ICP_QAT_HW_AES_XCBC_MAC_KEY_SZ));
memset(out -
(x * ICP_QAT_HW_AES_XCBC_MAC_KEY_SZ),
0, ICP_QAT_HW_AES_XCBC_MAC_STATE2_SZ);
return -EFAULT;
}
AES_encrypt(in, out, &enc_key);
in += ICP_QAT_HW_AES_XCBC_MAC_KEY_SZ;
out += ICP_QAT_HW_AES_XCBC_MAC_KEY_SZ;
}
*p_state_len = ICP_QAT_HW_AES_XCBC_MAC_STATE2_SZ;
rte_free(in - x*ICP_QAT_HW_AES_XCBC_MAC_KEY_SZ);
return 0;
} else if ((hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128) ||
(hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_64)) {
uint8_t *in = NULL;
uint8_t *out = p_state_buf;
AES_KEY enc_key;
memset(p_state_buf, 0, ICP_QAT_HW_GALOIS_H_SZ +
ICP_QAT_HW_GALOIS_LEN_A_SZ +
ICP_QAT_HW_GALOIS_E_CTR0_SZ);
in = rte_zmalloc("working mem for key",
ICP_QAT_HW_GALOIS_H_SZ, 16);
memset(in, 0, ICP_QAT_HW_GALOIS_H_SZ);
if (AES_set_encrypt_key(auth_key, auth_keylen << 3,
&enc_key) != 0) {
return -EFAULT;
}
AES_encrypt(in, out, &enc_key);
*p_state_len = ICP_QAT_HW_GALOIS_H_SZ +
ICP_QAT_HW_GALOIS_LEN_A_SZ +
ICP_QAT_HW_GALOIS_E_CTR0_SZ;
rte_free(in);
return 0;
}
block_size = qat_hash_get_block_size(hash_alg);
if (block_size <= 0)
return -EFAULT;
/* init ipad and opad from key and xor with fixed values */
memset(ipad, 0, block_size);
memset(opad, 0, block_size);
if (auth_keylen > (unsigned int)block_size) {
PMD_DRV_LOG(ERR, "invalid keylen %u", auth_keylen);
return -EFAULT;
}
rte_memcpy(ipad, auth_key, auth_keylen);
rte_memcpy(opad, auth_key, auth_keylen);
for (i = 0; i < block_size; i++) {
uint8_t *ipad_ptr = ipad + i;
uint8_t *opad_ptr = opad + i;
*ipad_ptr ^= HMAC_IPAD_VALUE;
*opad_ptr ^= HMAC_OPAD_VALUE;
}
/* do partial hash of ipad and copy to state1 */
if (partial_hash_compute(hash_alg, ipad, p_state_buf)) {
memset(ipad, 0, block_size);
memset(opad, 0, block_size);
PMD_DRV_LOG(ERR, "ipad precompute failed");
return -EFAULT;
}
/*
* State len is a multiple of 8, so may be larger than the digest.
* Put the partial hash of opad state_len bytes after state1
*/
*p_state_len = qat_hash_get_state1_size(hash_alg);
if (partial_hash_compute(hash_alg, opad, p_state_buf + *p_state_len)) {
memset(ipad, 0, block_size);
memset(opad, 0, block_size);
PMD_DRV_LOG(ERR, "opad precompute failed");
return -EFAULT;
}
/* don't leave data lying around */
memset(ipad, 0, block_size);
memset(opad, 0, block_size);
return 0;
}
void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header)
{
PMD_INIT_FUNC_TRACE();
header->hdr_flags =
ICP_QAT_FW_COMN_HDR_FLAGS_BUILD(ICP_QAT_FW_COMN_REQ_FLAG_SET);
header->service_type = ICP_QAT_FW_COMN_REQ_CPM_FW_LA;
header->comn_req_flags =
ICP_QAT_FW_COMN_FLAGS_BUILD(QAT_COMN_CD_FLD_TYPE_64BIT_ADR,
QAT_COMN_PTR_TYPE_FLAT);
ICP_QAT_FW_LA_PARTIAL_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_PARTIAL_NONE);
ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(header->serv_specif_flags,
ICP_QAT_FW_CIPH_IV_16BYTE_DATA);
ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_PROTO);
ICP_QAT_FW_LA_UPDATE_STATE_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_UPDATE_STATE);
}
int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
uint8_t *cipherkey,
uint32_t cipherkeylen)
{
struct icp_qat_hw_cipher_algo_blk *cipher;
struct icp_qat_fw_la_bulk_req *req_tmpl = &cdesc->fw_req;
struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars;
struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
void *ptr = &req_tmpl->cd_ctrl;
struct icp_qat_fw_cipher_cd_ctrl_hdr *cipher_cd_ctrl = ptr;
struct icp_qat_fw_auth_cd_ctrl_hdr *hash_cd_ctrl = ptr;
enum icp_qat_hw_cipher_convert key_convert;
uint16_t proto = ICP_QAT_FW_LA_NO_PROTO; /* no CCM/GCM/Snow3G */
uint16_t cipher_offset = 0;
PMD_INIT_FUNC_TRACE();
if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER &&
cdesc->qat_hash_alg != ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2) {
cipher =
(struct icp_qat_hw_cipher_algo_blk *)((char *)&cdesc->cd +
sizeof(struct icp_qat_hw_auth_algo_blk));
cipher_offset = sizeof(struct icp_qat_hw_auth_algo_blk);
} else {
cipher = (struct icp_qat_hw_cipher_algo_blk *)&cdesc->cd;
cipher_offset = 0;
}
/* CD setup */
if (cdesc->qat_dir == ICP_QAT_HW_CIPHER_ENCRYPT) {
ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_RET_AUTH_RES);
ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_CMP_AUTH_RES);
} else {
ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_RET_AUTH_RES);
ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_CMP_AUTH_RES);
}
if (cdesc->qat_mode == ICP_QAT_HW_CIPHER_CTR_MODE) {
/* CTR Streaming ciphers are a special case. Decrypt = encrypt
* Overriding default values previously set
*/
cdesc->qat_dir = ICP_QAT_HW_CIPHER_ENCRYPT;
key_convert = ICP_QAT_HW_CIPHER_NO_CONVERT;
} else if (cdesc->qat_dir == ICP_QAT_HW_CIPHER_ENCRYPT)
key_convert = ICP_QAT_HW_CIPHER_NO_CONVERT;
else
key_convert = ICP_QAT_HW_CIPHER_KEY_CONVERT;
if (cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2)
key_convert = ICP_QAT_HW_CIPHER_KEY_CONVERT;
/* For Snow3G, set key convert and other bits */
if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2) {
key_convert = ICP_QAT_HW_CIPHER_KEY_CONVERT;
ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_RET_AUTH_RES);
if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER) {
ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_RET_AUTH_RES);
ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_CMP_AUTH_RES);
}
}
cipher->aes.cipher_config.val =
ICP_QAT_HW_CIPHER_CONFIG_BUILD(cdesc->qat_mode,
cdesc->qat_cipher_alg, key_convert,
cdesc->qat_dir);
memcpy(cipher->aes.key, cipherkey, cipherkeylen);
proto = ICP_QAT_FW_LA_PROTO_GET(header->serv_specif_flags);
if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2)
proto = ICP_QAT_FW_LA_SNOW_3G_PROTO;
/* Request template setup */
qat_alg_init_common_hdr(header);
header->service_cmd_id = cdesc->qat_cmd;
ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_DIGEST_IN_BUFFER);
/* Configure the common header protocol flags */
ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags, proto);
cd_pars->u.s.content_desc_addr = cdesc->cd_paddr;
cd_pars->u.s.content_desc_params_sz = sizeof(cdesc->cd) >> 3;
/* Cipher CD config setup */
if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2) {
cipher_cd_ctrl->cipher_key_sz =
(ICP_QAT_HW_SNOW_3G_UEA2_KEY_SZ +
ICP_QAT_HW_SNOW_3G_UEA2_IV_SZ) >> 3;
cipher_cd_ctrl->cipher_state_sz =
ICP_QAT_HW_SNOW_3G_UEA2_IV_SZ >> 3;
cipher_cd_ctrl->cipher_cfg_offset = cipher_offset >> 3;
if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER) {
ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_DIGEST_IN_BUFFER);
}
} else {
cipher_cd_ctrl->cipher_key_sz = cipherkeylen >> 3;
cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_AES_BLK_SZ >> 3;
cipher_cd_ctrl->cipher_cfg_offset = cipher_offset >> 3;
}
if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER) {
ICP_QAT_FW_COMN_CURR_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_CIPHER);
ICP_QAT_FW_COMN_NEXT_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
} else if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER_HASH) {
ICP_QAT_FW_COMN_CURR_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_CIPHER);
ICP_QAT_FW_COMN_NEXT_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_AUTH);
ICP_QAT_FW_COMN_CURR_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_AUTH);
ICP_QAT_FW_COMN_NEXT_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
} else if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER) {
ICP_QAT_FW_COMN_CURR_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_AUTH);
ICP_QAT_FW_COMN_NEXT_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_CIPHER);
ICP_QAT_FW_COMN_CURR_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_CIPHER);
ICP_QAT_FW_COMN_NEXT_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
} else {
PMD_DRV_LOG(ERR, "invalid param, only authenticated "
"encryption supported");
return -EFAULT;
}
return 0;
}
int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
uint8_t *authkey,
uint32_t authkeylen,
uint32_t add_auth_data_length,
uint32_t digestsize)
{
struct icp_qat_hw_cipher_algo_blk *cipher;
struct icp_qat_hw_auth_algo_blk *hash;
struct icp_qat_hw_cipher_algo_blk *cipherconfig;
struct icp_qat_fw_la_bulk_req *req_tmpl = &cdesc->fw_req;
struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars;
struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
void *ptr = &req_tmpl->cd_ctrl;
struct icp_qat_fw_cipher_cd_ctrl_hdr *cipher_cd_ctrl = ptr;
struct icp_qat_fw_auth_cd_ctrl_hdr *hash_cd_ctrl = ptr;
struct icp_qat_fw_la_auth_req_params *auth_param =
(struct icp_qat_fw_la_auth_req_params *)
((char *)&req_tmpl->serv_specif_rqpars +
sizeof(struct icp_qat_fw_la_cipher_req_params));
enum icp_qat_hw_cipher_convert key_convert;
uint16_t proto = ICP_QAT_FW_LA_NO_PROTO; /* no CCM/GCM/Snow3G */
uint16_t state1_size = 0;
uint16_t state2_size = 0;
uint16_t cipher_offset = 0, hash_offset = 0;
PMD_INIT_FUNC_TRACE();
if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER &&
cdesc->qat_hash_alg != ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2) {
hash = (struct icp_qat_hw_auth_algo_blk *)&cdesc->cd;
cipher =
(struct icp_qat_hw_cipher_algo_blk *)((char *)&cdesc->cd +
sizeof(struct icp_qat_hw_auth_algo_blk));
hash_offset = 0;
cipher_offset = ((char *)hash - (char *)cipher);
} else {
cipher = (struct icp_qat_hw_cipher_algo_blk *)&cdesc->cd;
hash = (struct icp_qat_hw_auth_algo_blk *)((char *)&cdesc->cd +
sizeof(struct icp_qat_hw_cipher_algo_blk));
cipher_offset = 0;
hash_offset = ((char *)hash - (char *)cipher);
}
/* CD setup */
if (cdesc->qat_dir == ICP_QAT_HW_CIPHER_ENCRYPT) {
ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_RET_AUTH_RES);
ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_CMP_AUTH_RES);
} else {
ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_RET_AUTH_RES);
ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_CMP_AUTH_RES);
}
if (cdesc->qat_mode == ICP_QAT_HW_CIPHER_CTR_MODE) {
/* CTR Streaming ciphers are a special case. Decrypt = encrypt
* Overriding default values previously set
*/
cdesc->qat_dir = ICP_QAT_HW_CIPHER_ENCRYPT;
key_convert = ICP_QAT_HW_CIPHER_NO_CONVERT;
} else if (cdesc->qat_dir == ICP_QAT_HW_CIPHER_ENCRYPT)
key_convert = ICP_QAT_HW_CIPHER_NO_CONVERT;
else
key_convert = ICP_QAT_HW_CIPHER_KEY_CONVERT;
if (cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2)
key_convert = ICP_QAT_HW_CIPHER_KEY_CONVERT;
cipher->aes.cipher_config.val =
ICP_QAT_HW_CIPHER_CONFIG_BUILD(cdesc->qat_mode,
cdesc->qat_cipher_alg, key_convert,
cdesc->qat_dir);
hash->sha.inner_setup.auth_config.reserved = 0;
hash->sha.inner_setup.auth_config.config =
ICP_QAT_HW_AUTH_CONFIG_BUILD(ICP_QAT_HW_AUTH_MODE1,
cdesc->qat_hash_alg, digestsize);
hash->sha.inner_setup.auth_counter.counter =
rte_bswap32(qat_hash_get_block_size(cdesc->qat_hash_alg));
if (cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2) {
hash->sha.inner_setup.auth_counter.counter = 0;
hash->sha.outer_setup.auth_config.reserved = 0;
cipherconfig = (struct icp_qat_hw_cipher_algo_blk *)
((char *)&cdesc->cd +
sizeof(struct icp_qat_hw_auth_algo_blk)
+ 16);
cipherconfig->aes.cipher_config.val =
ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_ECB_MODE,
ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2,
ICP_QAT_HW_CIPHER_KEY_CONVERT,
ICP_QAT_HW_CIPHER_ENCRYPT);
memcpy(cipherconfig->aes.key, authkey, authkeylen);
memset(cipherconfig->aes.key + authkeylen, 0,
ICP_QAT_HW_SNOW_3G_UEA2_IV_SZ);
}
/* Do precomputes */
if (cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_AES_XCBC_MAC) {
if (qat_alg_do_precomputes(cdesc->qat_hash_alg,
authkey, authkeylen, (uint8_t *)(hash->sha.state1 +
ICP_QAT_HW_AES_XCBC_MAC_STATE1_SZ), &state2_size)) {
PMD_DRV_LOG(ERR, "(XCBC)precompute failed");
return -EFAULT;
}
} else if ((cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128) ||
(cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_64)) {
if (qat_alg_do_precomputes(cdesc->qat_hash_alg,
authkey, authkeylen, (uint8_t *)(hash->sha.state1 +
ICP_QAT_HW_GALOIS_128_STATE1_SZ), &state2_size)) {
PMD_DRV_LOG(ERR, "(GCM)precompute failed");
return -EFAULT;
}
/*
* Write (the length of AAD) into bytes 16-19 of state2
* in big-endian format. This field is 8 bytes
*/
*(uint32_t *)&(hash->sha.state1[
ICP_QAT_HW_GALOIS_128_STATE1_SZ +
ICP_QAT_HW_GALOIS_H_SZ]) =
rte_bswap32(add_auth_data_length);
proto = ICP_QAT_FW_LA_GCM_PROTO;
} else if (cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2) {
proto = ICP_QAT_FW_LA_SNOW_3G_PROTO;
state1_size = qat_hash_get_state1_size(cdesc->qat_hash_alg);
} else {
if (qat_alg_do_precomputes(cdesc->qat_hash_alg,
authkey, authkeylen, (uint8_t *)(hash->sha.state1),
&state1_size)) {
PMD_DRV_LOG(ERR, "(SHA)precompute failed");
return -EFAULT;
}
}
/* Request template setup */
qat_alg_init_common_hdr(header);
header->service_cmd_id = cdesc->qat_cmd;
ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_DIGEST_IN_BUFFER);
/* Configure the common header protocol flags */
ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags, proto);
cd_pars->u.s.content_desc_addr = cdesc->cd_paddr;
cd_pars->u.s.content_desc_params_sz = sizeof(cdesc->cd) >> 3;
if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_AUTH) {
ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_DIGEST_IN_BUFFER);
ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(header->serv_specif_flags,
ICP_QAT_FW_CIPH_IV_64BIT_PTR);
ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_RET_AUTH_RES);
ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_CMP_AUTH_RES);
}
/* Cipher CD config setup */
cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_AES_BLK_SZ >> 3;
cipher_cd_ctrl->cipher_cfg_offset = cipher_offset >> 3;
if (cdesc->qat_cmd != ICP_QAT_FW_LA_CMD_AUTH) {
cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_AES_BLK_SZ >> 3;
cipher_cd_ctrl->cipher_cfg_offset = cipher_offset>>3;
} else {
cipher_cd_ctrl->cipher_state_sz = 0;
cipher_cd_ctrl->cipher_cfg_offset = 0;
}
/* Auth CD config setup */
hash_cd_ctrl->hash_cfg_offset = hash_offset >> 3;
hash_cd_ctrl->hash_flags = ICP_QAT_FW_AUTH_HDR_FLAG_NO_NESTED;
hash_cd_ctrl->inner_res_sz = digestsize;
hash_cd_ctrl->final_sz = digestsize;
hash_cd_ctrl->inner_state1_sz = state1_size;
switch (cdesc->qat_hash_alg) {
case ICP_QAT_HW_AUTH_ALGO_SHA1:
hash_cd_ctrl->inner_state2_sz =
RTE_ALIGN_CEIL(ICP_QAT_HW_SHA1_STATE2_SZ, 8);
break;
case ICP_QAT_HW_AUTH_ALGO_SHA256:
hash_cd_ctrl->inner_state2_sz = ICP_QAT_HW_SHA256_STATE2_SZ;
break;
case ICP_QAT_HW_AUTH_ALGO_SHA512:
hash_cd_ctrl->inner_state2_sz = ICP_QAT_HW_SHA512_STATE2_SZ;
break;
case ICP_QAT_HW_AUTH_ALGO_AES_XCBC_MAC:
hash_cd_ctrl->inner_state2_sz =
ICP_QAT_HW_AES_XCBC_MAC_STATE2_SZ;
hash_cd_ctrl->inner_state1_sz =
ICP_QAT_HW_AES_XCBC_MAC_STATE1_SZ;
memset(hash->sha.state1, 0, ICP_QAT_HW_AES_XCBC_MAC_STATE1_SZ);
break;
case ICP_QAT_HW_AUTH_ALGO_GALOIS_128:
case ICP_QAT_HW_AUTH_ALGO_GALOIS_64:
hash_cd_ctrl->inner_state2_sz = ICP_QAT_HW_GALOIS_H_SZ +
ICP_QAT_HW_GALOIS_LEN_A_SZ +
ICP_QAT_HW_GALOIS_E_CTR0_SZ;
hash_cd_ctrl->inner_state1_sz = ICP_QAT_HW_GALOIS_128_STATE1_SZ;
memset(hash->sha.state1, 0, ICP_QAT_HW_GALOIS_128_STATE1_SZ);
break;
case ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2:
hash_cd_ctrl->inner_state2_sz =
ICP_QAT_HW_SNOW_3G_UIA2_STATE2_SZ;
hash_cd_ctrl->inner_state1_sz =
ICP_QAT_HW_SNOW_3G_UIA2_STATE1_SZ;
memset(hash->sha.state1, 0, ICP_QAT_HW_SNOW_3G_UIA2_STATE1_SZ);
break;
default:
PMD_DRV_LOG(ERR, "invalid HASH alg %u", cdesc->qat_hash_alg);
return -EFAULT;
}
hash_cd_ctrl->inner_state2_offset = hash_cd_ctrl->hash_cfg_offset +
((sizeof(struct icp_qat_hw_auth_setup) +
RTE_ALIGN_CEIL(hash_cd_ctrl->inner_state1_sz, 8))
>> 3);
auth_param->auth_res_sz = digestsize;
if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_AUTH) {
ICP_QAT_FW_COMN_CURR_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_AUTH);
ICP_QAT_FW_COMN_NEXT_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
} else if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER_HASH) {
ICP_QAT_FW_COMN_CURR_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_CIPHER);
ICP_QAT_FW_COMN_NEXT_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_AUTH);
ICP_QAT_FW_COMN_CURR_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_AUTH);
ICP_QAT_FW_COMN_NEXT_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
} else if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER) {
ICP_QAT_FW_COMN_CURR_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_AUTH);
ICP_QAT_FW_COMN_NEXT_ID_SET(hash_cd_ctrl,
ICP_QAT_FW_SLICE_CIPHER);
ICP_QAT_FW_COMN_CURR_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_CIPHER);
ICP_QAT_FW_COMN_NEXT_ID_SET(cipher_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
} else {
PMD_DRV_LOG(ERR, "invalid param, only authenticated "
"encryption supported");
return -EFAULT;
}
return 0;
}
static void qat_alg_ablkcipher_init_com(struct icp_qat_fw_la_bulk_req *req,
struct icp_qat_hw_cipher_algo_blk *cd,
const uint8_t *key, unsigned int keylen)
{
struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req->cd_pars;
struct icp_qat_fw_comn_req_hdr *header = &req->comn_hdr;
struct icp_qat_fw_cipher_cd_ctrl_hdr *cd_ctrl = (void *)&req->cd_ctrl;
PMD_INIT_FUNC_TRACE();
rte_memcpy(cd->aes.key, key, keylen);
qat_alg_init_common_hdr(header);
header->service_cmd_id = ICP_QAT_FW_LA_CMD_CIPHER;
cd_pars->u.s.content_desc_params_sz =
sizeof(struct icp_qat_hw_cipher_algo_blk) >> 3;
/* Cipher CD config setup */
cd_ctrl->cipher_key_sz = keylen >> 3;
cd_ctrl->cipher_state_sz = ICP_QAT_HW_AES_BLK_SZ >> 3;
cd_ctrl->cipher_cfg_offset = 0;
ICP_QAT_FW_COMN_CURR_ID_SET(cd_ctrl, ICP_QAT_FW_SLICE_CIPHER);
ICP_QAT_FW_COMN_NEXT_ID_SET(cd_ctrl, ICP_QAT_FW_SLICE_DRAM_WR);
}
void qat_alg_ablkcipher_init_enc(struct qat_alg_ablkcipher_cd *cdesc,
int alg, const uint8_t *key,
unsigned int keylen)
{
struct icp_qat_hw_cipher_algo_blk *enc_cd = cdesc->cd;
struct icp_qat_fw_la_bulk_req *req = &cdesc->fw_req;
struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req->cd_pars;
PMD_INIT_FUNC_TRACE();
qat_alg_ablkcipher_init_com(req, enc_cd, key, keylen);
cd_pars->u.s.content_desc_addr = cdesc->cd_paddr;
enc_cd->aes.cipher_config.val = QAT_AES_HW_CONFIG_CBC_ENC(alg);
}
void qat_alg_ablkcipher_init_dec(struct qat_alg_ablkcipher_cd *cdesc,
int alg, const uint8_t *key,
unsigned int keylen)
{
struct icp_qat_hw_cipher_algo_blk *dec_cd = cdesc->cd;
struct icp_qat_fw_la_bulk_req *req = &cdesc->fw_req;
struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req->cd_pars;
PMD_INIT_FUNC_TRACE();
qat_alg_ablkcipher_init_com(req, dec_cd, key, keylen);
cd_pars->u.s.content_desc_addr = cdesc->cd_paddr;
dec_cd->aes.cipher_config.val = QAT_AES_HW_CONFIG_CBC_DEC(alg);
}
int qat_alg_validate_aes_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
{
switch (key_len) {
case ICP_QAT_HW_AES_128_KEY_SZ:
*alg = ICP_QAT_HW_CIPHER_ALGO_AES128;
break;
case ICP_QAT_HW_AES_192_KEY_SZ:
*alg = ICP_QAT_HW_CIPHER_ALGO_AES192;
break;
case ICP_QAT_HW_AES_256_KEY_SZ:
*alg = ICP_QAT_HW_CIPHER_ALGO_AES256;
break;
default:
return -EINVAL;
}
return 0;
}
int qat_alg_validate_snow3g_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
{
switch (key_len) {
case ICP_QAT_HW_SNOW_3G_UEA2_KEY_SZ:
*alg = ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2;
break;
default:
return -EINVAL;
}
return 0;
}