Instead of storing a pointer to operation specific parameters, such as symmetric crypto parameters, use a zero-length array, to mark that these parameters will be stored after the generic crypto operation structure, which was already assumed in the code.
Signed-off-by: Pablo de Lara <pablo.de.lara.gua...@intel.com> --- examples/ipsec-secgw/ipsec.c | 1 - lib/librte_cryptodev/rte_crypto.h | 12 +++--------- lib/librte_cryptodev/rte_crypto_sym.h | 2 +- 3 files changed, 4 insertions(+), 11 deletions(-) diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c index edca5f0..126d79f 100644 --- a/examples/ipsec-secgw/ipsec.c +++ b/examples/ipsec-secgw/ipsec.c @@ -140,7 +140,6 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; rte_prefetch0(&priv->sym_cop); - priv->cop.sym = &priv->sym_cop; if ((unlikely(sa->crypto_session == NULL)) && create_session(ipsec_ctx, sa)) { diff --git a/lib/librte_cryptodev/rte_crypto.h b/lib/librte_cryptodev/rte_crypto.h index c2677fa..23fad79 100644 --- a/lib/librte_cryptodev/rte_crypto.h +++ b/lib/librte_cryptodev/rte_crypto.h @@ -124,10 +124,10 @@ struct rte_crypto_op { RTE_STD_C11 union { - struct rte_crypto_sym_op *sym; + struct rte_crypto_sym_op sym[0]; /**< Symmetric operation parameters */ - }; /**< operation specific parameters */ -} __rte_cache_aligned; + } /**< operation specific parameters */ __rte_aligned(8); +}; /** * Reset the fields of a crypto operation to their default values. @@ -144,12 +144,6 @@ __rte_crypto_op_reset(struct rte_crypto_op *op, enum rte_crypto_op_type type) switch (type) { case RTE_CRYPTO_OP_TYPE_SYMMETRIC: - /** Symmetric operation structure starts after the end of the - * rte_crypto_op structure. - */ - op->sym = (struct rte_crypto_sym_op *)(op + 1); - op->type = type; - __rte_crypto_sym_op_reset(op->sym); break; default: diff --git a/lib/librte_cryptodev/rte_crypto_sym.h b/lib/librte_cryptodev/rte_crypto_sym.h index 386b120..39ad1e3 100644 --- a/lib/librte_cryptodev/rte_crypto_sym.h +++ b/lib/librte_cryptodev/rte_crypto_sym.h @@ -640,7 +640,7 @@ struct rte_crypto_sym_op { } aad; /**< Additional authentication parameters */ } auth; -} __rte_cache_aligned; +}; /** -- 2.9.4