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examples/ipsec-secgw: attach session-qp

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adding support for attaching session to queue pairs.
This is required as underlying crypto driver may only
support limited number of sessions per queue pair
if max_nb_sessions_per_qp > 0, session should be
attached to a particular qp.

Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com>
Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
This commit is contained in:
Akhil Goyal 2017-03-24 14:59:21 +05:30 committed by Pablo de Lara
parent d816fdea55
commit c5aa9617c0
1 changed files with 13 additions and 0 deletions
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13
examples/ipsec-secgw/ipsec.c
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@ -47,6 +47,7 @@
static inline int
create_session(struct ipsec_ctx *ipsec_ctx __rte_unused, struct ipsec_sa *sa)
{
struct rte_cryptodev_info cdev_info;
unsigned long cdev_id_qp = 0;
int32_t ret;
struct cdev_key key = { 0 };
@ -73,6 +74,18 @@ create_session(struct ipsec_ctx *ipsec_ctx __rte_unused, struct ipsec_sa *sa)
sa->crypto_session = rte_cryptodev_sym_session_create(
ipsec_ctx->tbl[cdev_id_qp].id, sa->xforms);
rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id, &cdev_info);
if (cdev_info.sym.max_nb_sessions_per_qp > 0) {
ret = rte_cryptodev_queue_pair_attach_sym_session(
ipsec_ctx->tbl[cdev_id_qp].qp,
sa->crypto_session);
if (ret < 0) {
RTE_LOG(ERR, IPSEC,
"Session cannot be attached to qp %u ",
ipsec_ctx->tbl[cdev_id_qp].qp);
return -1;
}
}
sa->cdev_id_qp = cdev_id_qp;
return 0;