/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2015-2018 Intel Corporation
+ * Copyright(c) 2015-2019 Intel Corporation
*/
#include <openssl/evp.h>
#include <rte_crypto_sym.h>
#include <rte_bus_pci.h>
#include <rte_byteorder.h>
+#ifdef RTE_LIBRTE_SECURITY
+#include <rte_net_crc.h>
+#endif
#include "qat_sym.h"
+
/** Decrypt a single partial block
* Depends on openssl libcrypto
* Uses ECB+XOR to do CFB encryption, same result, more performant
last_block = (uint8_t *) rte_pktmbuf_mtod_offset(sym_op->m_src,
uint8_t *, last_block_offset);
- if (unlikely(sym_op->m_dst != NULL))
+ if (unlikely((sym_op->m_dst != NULL)
+ && (sym_op->m_dst != sym_op->m_src)))
/* out-of-place operation (OOP) */
dst = (uint8_t *) rte_pktmbuf_mtod_offset(sym_op->m_dst,
uint8_t *, last_block_offset);
return sym_op->cipher.data.length - last_block_len;
}
+#ifdef RTE_LIBRTE_SECURITY
+static inline void
+qat_crc_generate(struct qat_sym_session *ctx,
+ struct rte_crypto_op *op)
+{
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ uint32_t *crc, crc_data_len;
+ uint8_t *crc_data;
+
+ if (ctx->qat_dir == ICP_QAT_HW_CIPHER_ENCRYPT &&
+ sym_op->auth.data.length != 0) {
+
+ crc_data_len = sym_op->auth.data.length;
+ crc_data = rte_pktmbuf_mtod_offset(sym_op->m_src, uint8_t *,
+ sym_op->auth.data.offset);
+ crc = (uint32_t *)(crc_data + crc_data_len);
+
+ *crc = rte_net_crc_calc(crc_data, crc_data_len,
+ RTE_NET_CRC32_ETH);
+ }
+}
+#endif
+
static inline void
set_cipher_iv(uint16_t iv_length, uint16_t iv_offset,
struct icp_qat_fw_la_cipher_req_params *cipher_param,
void *op_cookie, enum qat_device_gen qat_dev_gen)
{
int ret = 0;
- struct qat_sym_session *ctx;
+ struct qat_sym_session *ctx = NULL;
struct icp_qat_fw_la_cipher_req_params *cipher_param;
struct icp_qat_fw_la_auth_req_params *auth_param;
register struct icp_qat_fw_la_bulk_req *qat_req;
uint32_t auth_len = 0, auth_ofs = 0;
uint32_t min_ofs = 0;
uint64_t src_buf_start = 0, dst_buf_start = 0;
- uint64_t digest_start = 0;
+ uint64_t auth_data_end = 0;
uint8_t do_sgl = 0;
uint8_t in_place = 1;
+ uint8_t is_docsis_sec = 0;
+ int alignment_adjustment = 0;
struct rte_crypto_op *op = (struct rte_crypto_op *)in_op;
struct qat_sym_op_cookie *cookie =
(struct qat_sym_op_cookie *)op_cookie;
QAT_DP_LOG(ERR, "QAT PMD only supports session oriented"
" requests, op (%p) is sessionless.", op);
return -EINVAL;
+ } else if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ ctx = (struct qat_sym_session *)get_sym_session_private_data(
+ op->sym->session, qat_sym_driver_id);
+#ifdef RTE_LIBRTE_SECURITY
+ } else {
+ ctx = (struct qat_sym_session *)get_sec_session_private_data(
+ op->sym->sec_session);
+ if (ctx && ctx->bpi_ctx == NULL) {
+ QAT_DP_LOG(ERR, "QAT PMD only supports security"
+ " operation requests for DOCSIS, op"
+ " (%p) is not for DOCSIS.", op);
+ return -EINVAL;
+ }
+ is_docsis_sec = 1;
+#endif
}
- ctx = (struct qat_sym_session *)get_sym_session_private_data(
- op->sym->session, cryptodev_qat_driver_id);
-
if (unlikely(ctx == NULL)) {
QAT_DP_LOG(ERR, "Session was not created for this device");
return -EINVAL;
rte_mov128((uint8_t *)qat_req, (const uint8_t *)&(ctx->fw_req));
qat_req->comn_mid.opaque_data = (uint64_t)(uintptr_t)op;
cipher_param = (void *)&qat_req->serv_specif_rqpars;
- auth_param = (void *)((uint8_t *)cipher_param + sizeof(*cipher_param));
+ auth_param = (void *)((uint8_t *)cipher_param +
+ ICP_QAT_FW_HASH_REQUEST_PARAMETERS_OFFSET);
if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER ||
ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER_HASH) {
cipher_ofs = op->sym->cipher.data.offset >> 3;
} else if (ctx->bpi_ctx) {
- /* DOCSIS - only send complete blocks to device
+ /* DOCSIS processing */
+#ifdef RTE_LIBRTE_SECURITY
+ if (is_docsis_sec) {
+ /* Check for OOP or multi-segment buffers */
+ if (unlikely(((op->sym->m_dst != NULL) &&
+ (op->sym->m_dst !=
+ op->sym->m_src)) ||
+ op->sym->m_src->nb_segs > 1)) {
+ QAT_DP_LOG(ERR,
+ "OOP and/or multi-segment "
+ "buffers are not supported for "
+ "DOCSIS security");
+ op->status =
+ RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ return -EINVAL;
+ }
+
+ /* Calculate CRC */
+ qat_crc_generate(ctx, op);
+ }
+#else
+ RTE_SET_USED(is_docsis_sec);
+#endif
+
+ /* Only send complete blocks to device.
* Process any partial block using CFB mode.
* Even if 0 complete blocks, still send this to device
* to get into rx queue for post-process and dequeuing
}
min_ofs = auth_ofs;
- if (likely(ctx->qat_hash_alg != ICP_QAT_HW_AUTH_ALGO_NULL))
- auth_param->auth_res_addr =
- op->sym->auth.digest.phys_addr;
+ auth_param->auth_res_addr =
+ op->sym->auth.digest.phys_addr;
}
min_ofs = op->sym->aead.data.offset;
}
- if (op->sym->m_src->next || (op->sym->m_dst && op->sym->m_dst->next))
+ if (op->sym->m_src->nb_segs > 1 ||
+ (op->sym->m_dst && op->sym->m_dst->nb_segs > 1))
do_sgl = 1;
/* adjust for chain case */
if (unlikely(min_ofs >= rte_pktmbuf_data_len(op->sym->m_src) && do_sgl))
min_ofs = 0;
- if (unlikely(op->sym->m_dst != NULL)) {
+ if (unlikely((op->sym->m_dst != NULL) &&
+ (op->sym->m_dst != op->sym->m_src))) {
/* Out-of-place operation (OOP)
* Don't align DMA start. DMA the minimum data-set
* so as not to overwrite data in dest buffer
min_ofs);
}
dst_buf_start = src_buf_start;
+
+ /* remember any adjustment for later, note, can be +/- */
+ alignment_adjustment = src_buf_start -
+ rte_pktmbuf_iova_offset(op->sym->m_src, min_ofs);
}
if (do_cipher || do_aead) {
: (auth_param->auth_off + auth_param->auth_len);
if (do_auth && do_cipher) {
+ /* Handle digest-encrypted cases, i.e.
+ * auth-gen-then-cipher-encrypt and
+ * cipher-decrypt-then-auth-verify
+ */
+ /* First find the end of the data */
if (do_sgl) {
uint32_t remaining_off = auth_param->auth_off +
- auth_param->auth_len;
+ auth_param->auth_len + alignment_adjustment;
struct rte_mbuf *sgl_buf =
(in_place ?
- op->sym->m_src : op->sym->m_dst);
- while (remaining_off >= rte_pktmbuf_data_len(
- sgl_buf)) {
- remaining_off -= rte_pktmbuf_data_len(
- sgl_buf);
+ op->sym->m_src : op->sym->m_dst);
+
+ while (remaining_off >= rte_pktmbuf_data_len(sgl_buf)
+ && sgl_buf->next != NULL) {
+ remaining_off -= rte_pktmbuf_data_len(sgl_buf);
sgl_buf = sgl_buf->next;
}
- digest_start = (uint64_t)rte_pktmbuf_iova_offset(
+
+ auth_data_end = (uint64_t)rte_pktmbuf_iova_offset(
sgl_buf, remaining_off);
} else {
- digest_start = (in_place ?
+ auth_data_end = (in_place ?
src_buf_start : dst_buf_start) +
auth_param->auth_off + auth_param->auth_len;
}
- /* Handle cases of auth-gen-then-cipher and
- * cipher-decrypt-then-auth-verify with digest encrypted
- */
+ /* Then check if digest-encrypted conditions are met */
if ((auth_param->auth_off + auth_param->auth_len <
cipher_param->cipher_offset +
cipher_param->cipher_length) &&
(op->sym->auth.digest.phys_addr ==
- digest_start)) {
+ auth_data_end)) {
/* Handle partial digest encryption */
if (cipher_param->cipher_offset +
cipher_param->cipher_length <
return ret;
}
- if (likely(op->sym->m_dst == NULL))
+ if (in_place)
qat_req->comn_mid.dest_data_addr =
qat_req->comn_mid.src_data_addr =
cookie->qat_sgl_src_phys_addr;
qat_req->comn_mid.dest_data_addr = dst_buf_start;
}
+ /* Handle Single-Pass GCM */
+ if (ctx->is_single_pass) {
+ cipher_param->spc_aad_addr = op->sym->aead.aad.phys_addr;
+ cipher_param->spc_auth_res_addr =
+ op->sym->aead.digest.phys_addr;
+ }
+
#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
QAT_DP_HEXDUMP_LOG(DEBUG, "qat_req:", qat_req,
sizeof(struct icp_qat_fw_la_bulk_req));
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