/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2015-2018 Intel Corporation
+ * Copyright(c) 2015-2019 Intel Corporation
*/
#include <openssl/evp.h>
#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);
iv_length);
}
+/** Handle Single-Pass AES-GMAC on QAT GEN3 */
+static inline void
+handle_spc_gmac(struct qat_sym_session *ctx, struct rte_crypto_op *op,
+ struct qat_sym_op_cookie *cookie,
+ struct icp_qat_fw_la_bulk_req *qat_req)
+{
+ static const uint32_t ver_key_offset =
+ sizeof(struct icp_qat_hw_auth_setup) +
+ ICP_QAT_HW_GALOIS_128_STATE1_SZ +
+ ICP_QAT_HW_GALOIS_H_SZ + ICP_QAT_HW_GALOIS_LEN_A_SZ +
+ ICP_QAT_HW_GALOIS_E_CTR0_SZ +
+ sizeof(struct icp_qat_hw_cipher_config);
+ struct icp_qat_fw_cipher_cd_ctrl_hdr *cipher_cd_ctrl =
+ (void *) &qat_req->cd_ctrl;
+ struct icp_qat_fw_la_cipher_req_params *cipher_param =
+ (void *) &qat_req->serv_specif_rqpars;
+ uint32_t data_length = op->sym->auth.data.length;
+
+ /* Fill separate Content Descriptor for this op */
+ rte_memcpy(cookie->opt.spc_gmac.cd_cipher.key,
+ ctx->auth_op == ICP_QAT_HW_AUTH_GENERATE ?
+ ctx->cd.cipher.key :
+ RTE_PTR_ADD(&ctx->cd, ver_key_offset),
+ ctx->auth_key_length);
+ cookie->opt.spc_gmac.cd_cipher.cipher_config.val =
+ ICP_QAT_HW_CIPHER_CONFIG_BUILD(
+ ICP_QAT_HW_CIPHER_AEAD_MODE,
+ ctx->qat_cipher_alg,
+ ICP_QAT_HW_CIPHER_NO_CONVERT,
+ (ctx->auth_op == ICP_QAT_HW_AUTH_GENERATE ?
+ ICP_QAT_HW_CIPHER_ENCRYPT :
+ ICP_QAT_HW_CIPHER_DECRYPT));
+ QAT_FIELD_SET(cookie->opt.spc_gmac.cd_cipher.cipher_config.val,
+ ctx->digest_length,
+ QAT_CIPHER_AEAD_HASH_CMP_LEN_BITPOS,
+ QAT_CIPHER_AEAD_HASH_CMP_LEN_MASK);
+ cookie->opt.spc_gmac.cd_cipher.cipher_config.reserved =
+ ICP_QAT_HW_CIPHER_CONFIG_BUILD_UPPER(data_length);
+
+ /* Update the request */
+ qat_req->cd_pars.u.s.content_desc_addr =
+ cookie->opt.spc_gmac.cd_phys_addr;
+ qat_req->cd_pars.u.s.content_desc_params_sz = RTE_ALIGN_CEIL(
+ sizeof(struct icp_qat_hw_cipher_config) +
+ ctx->auth_key_length, 8) >> 3;
+ qat_req->comn_mid.src_length = data_length;
+ qat_req->comn_mid.dst_length = 0;
+
+ cipher_param->spc_aad_addr = 0;
+ cipher_param->spc_auth_res_addr = op->sym->auth.digest.phys_addr;
+ cipher_param->spc_aad_sz = data_length;
+ cipher_param->reserved = 0;
+ cipher_param->spc_auth_res_sz = ctx->digest_length;
+
+ qat_req->comn_hdr.service_cmd_id = ICP_QAT_FW_LA_CMD_CIPHER;
+ cipher_cd_ctrl->cipher_cfg_offset = 0;
+ 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);
+ ICP_QAT_FW_LA_SINGLE_PASS_PROTO_FLAG_SET(
+ qat_req->comn_hdr.serv_specif_flags,
+ ICP_QAT_FW_LA_SINGLE_PASS_PROTO);
+ ICP_QAT_FW_LA_PROTO_SET(
+ qat_req->comn_hdr.serv_specif_flags,
+ ICP_QAT_FW_LA_NO_PROTO);
+}
+
int
qat_sym_build_request(void *in_op, uint8_t *out_msg,
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 auth_data_end = 0;
uint8_t do_sgl = 0;
- uint8_t wireless_auth = 0, in_place = 1;
+ uint8_t in_place = 1;
+ int alignment_adjustment = 0;
+ int oop_shift = 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_LIB_SECURITY
+ } else {
+ ctx = (struct qat_sym_session *)get_sec_session_private_data(
+ op->sym->sec_session);
+ if (likely(ctx)) {
+ if (unlikely(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;
+ } else 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 not supported for"
+ " DOCSIS security.");
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ return -EINVAL;
+ }
+ }
+#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 - 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
}
auth_ofs = op->sym->auth.data.offset >> 3;
auth_len = op->sym->auth.data.length >> 3;
- wireless_auth = 1;
auth_param->u1.aad_adr =
rte_crypto_op_ctophys_offset(op,
}
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
rte_pktmbuf_iova_offset(op->sym->m_src, min_ofs);
dst_buf_start =
rte_pktmbuf_iova_offset(op->sym->m_dst, min_ofs);
+ oop_shift = min_ofs;
} else {
/* In-place operation
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) {
(cipher_param->cipher_offset + cipher_param->cipher_length)
: (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 + alignment_adjustment + oop_shift;
+ struct rte_mbuf *sgl_buf =
+ (in_place ?
+ 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;
+ }
+
+ auth_data_end = (uint64_t)rte_pktmbuf_iova_offset(
+ sgl_buf, remaining_off);
+ } else {
+ auth_data_end = (in_place ?
+ src_buf_start : dst_buf_start) +
+ auth_param->auth_off + auth_param->auth_len;
+ }
+ /* 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 ==
+ auth_data_end)) {
+ /* Handle partial digest encryption */
+ if (cipher_param->cipher_offset +
+ cipher_param->cipher_length <
+ auth_param->auth_off +
+ auth_param->auth_len +
+ ctx->digest_length)
+ qat_req->comn_mid.dst_length =
+ qat_req->comn_mid.src_length =
+ auth_param->auth_off +
+ auth_param->auth_len +
+ ctx->digest_length;
+ struct icp_qat_fw_comn_req_hdr *header =
+ &qat_req->comn_hdr;
+ ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(
+ header->serv_specif_flags,
+ ICP_QAT_FW_LA_DIGEST_IN_BUFFER);
+ }
+ }
+
if (do_sgl) {
ICP_QAT_FW_COMN_PTR_TYPE_SET(qat_req->comn_hdr.comn_req_flags,
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 =
cookie->qat_sgl_dst_phys_addr;
}
+ qat_req->comn_mid.src_length = 0;
+ qat_req->comn_mid.dst_length = 0;
} else {
qat_req->comn_mid.src_data_addr = src_buf_start;
qat_req->comn_mid.dest_data_addr = dst_buf_start;
- /* handle case of auth-gen-then-cipher with digest encrypted */
- if (wireless_auth && in_place &&
- (op->sym->auth.digest.phys_addr ==
- src_buf_start + auth_ofs + auth_len) &&
- (auth_ofs + auth_len + ctx->digest_length <=
- cipher_ofs + cipher_len)) {
- struct icp_qat_fw_comn_req_hdr *header =
- &qat_req->comn_hdr;
- ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(
- header->serv_specif_flags,
- ICP_QAT_FW_LA_DIGEST_IN_BUFFER);
- }
+ }
+
+ if (ctx->is_single_pass) {
+ /* Handle Single-Pass GCM */
+ cipher_param->spc_aad_addr = op->sym->aead.aad.phys_addr;
+ cipher_param->spc_auth_res_addr =
+ op->sym->aead.digest.phys_addr;
+ } else if (ctx->is_single_pass_gmac &&
+ op->sym->auth.data.length <= QAT_AES_GMAC_SPC_MAX_SIZE) {
+ /* Handle Single-Pass AES-GMAC */
+ handle_spc_gmac(ctx, op, cookie, qat_req);
}
#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
git.droids-corp.org / dpdk.git / blobdiff