[dpdk-dev] [PATCH v1] crypto/qat: use better variable names in CRC functions
David Coyle
david.coyle at intel.com
Thu Jul 16 17:34:36 CEST 2020
The variable names crc_length and crc_offset have been changed to
crc_data_len and crc_data_ofs respectively, to make it clearer as to
their use i.e. the length and offset of the data over which the CRC is
calculated.
Fixes: 6f0ef237404b ("crypto/qat: support DOCSIS protocol")
Signed-off-by: David Coyle <david.coyle at intel.com>
---
drivers/crypto/qat/qat_sym.c | 8 ++++----
drivers/crypto/qat/qat_sym.h | 13 +++++++------
2 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/drivers/crypto/qat/qat_sym.c b/drivers/crypto/qat/qat_sym.c
index 6d568ab8f..fe5c85c34 100644
--- a/drivers/crypto/qat/qat_sym.c
+++ b/drivers/crypto/qat/qat_sym.c
@@ -108,18 +108,18 @@ 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_length;
+ 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_length = sym_op->auth.data.length;
+ 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_length);
+ crc = (uint32_t *)(crc_data + crc_data_len);
- *crc = rte_net_crc_calc(crc_data, crc_length,
+ *crc = rte_net_crc_calc(crc_data, crc_data_len,
RTE_NET_CRC32_ETH);
}
}
diff --git a/drivers/crypto/qat/qat_sym.h b/drivers/crypto/qat/qat_sym.h
index dbca74efb..7934dd478 100644
--- a/drivers/crypto/qat/qat_sym.h
+++ b/drivers/crypto/qat/qat_sym.h
@@ -140,20 +140,21 @@ static inline void
qat_crc_verify(struct qat_sym_session *ctx, struct rte_crypto_op *op)
{
struct rte_crypto_sym_op *sym_op = op->sym;
- uint32_t crc_offset, crc_length, crc;
+ uint32_t crc_data_ofs, crc_data_len, crc;
uint8_t *crc_data;
if (ctx->qat_dir == ICP_QAT_HW_CIPHER_DECRYPT &&
sym_op->auth.data.length != 0) {
- crc_offset = sym_op->auth.data.offset;
- crc_length = sym_op->auth.data.length;
+ crc_data_ofs = sym_op->auth.data.offset;
+ crc_data_len = sym_op->auth.data.length;
crc_data = rte_pktmbuf_mtod_offset(sym_op->m_src, uint8_t *,
- crc_offset);
+ crc_data_ofs);
- crc = rte_net_crc_calc(crc_data, crc_length, RTE_NET_CRC32_ETH);
+ crc = rte_net_crc_calc(crc_data, crc_data_len,
+ RTE_NET_CRC32_ETH);
- if (crc != *(uint32_t *)(crc_data + crc_length))
+ if (crc != *(uint32_t *)(crc_data + crc_data_len))
op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
}
}
--
2.17.1
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