On 5/9/2018 2:28 PM, Radu Nicolau wrote:
Revert previous patch that introduce a performance degradation in certain scenarios and add a configurable limit for number inflight packets.Revert commit 84d4b5e4ec48 ("examples/ipsec-secgw: improve IPsec dequeue logic") Cc: sta...@dpdk.org Signed-off-by: Radu Nicolau <radu.nico...@intel.com> --- v3: updated enqueue size trim computation examples/ipsec-secgw/ipsec.c | 32 +++++++++++++++----------------- examples/ipsec-secgw/ipsec.h | 1 + 2 files changed, 16 insertions(+), 17 deletions(-) diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c index ee24973..1929752 100644 --- a/examples/ipsec-secgw/ipsec.c +++ b/examples/ipsec-secgw/ipsec.c @@ -348,13 +348,19 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) static inline void enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop) { - int32_t ret, i; + int32_t ret = 0, i; cqp->buf[cqp->len++] = cop; if (cqp->len == MAX_PKT_BURST) { - ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp, - cqp->buf, cqp->len); + int enq_size = cqp->len; + if ((cqp->in_flight + enq_size) >= MAX_INFLIGHT)
This should be ((cqp->in_flight + enq_size) > MAX_INFLIGHT). there Will be one extra operation in case it is equal.
Otherwise, Acked-by: Akhil Goyal <akhil.go...@nxp.com>
