[dpdk-dev] [PATCH v3 06/11] compress/isal: support enqueue/dequeue api

Lee Daly lee.daly at intel.com
Tue Apr 17 15:35:27 CEST 2018


Signed-off-by: Lee Daly <lee.daly at intel.com>
---
 drivers/compress/isal/isal_compress_pmd.c     | 56 ++++++++++++++++++++++-----
 drivers/compress/isal/isal_compress_pmd_ops.c |  2 +
 2 files changed, 49 insertions(+), 9 deletions(-)

diff --git a/drivers/compress/isal/isal_compress_pmd.c b/drivers/compress/isal/isal_compress_pmd.c
index 8db6380..2e19b42 100644
--- a/drivers/compress/isal/isal_compress_pmd.c
+++ b/drivers/compress/isal/isal_compress_pmd.c
@@ -198,24 +198,62 @@ isal_comp_set_priv_xform_parameters(struct isal_priv_xform *priv_xform,
 	return 0;
 }
 
+/* Process compression operation */
+static int
+process_op(struct isal_comp_qp *qp __rte_unused,
+		struct rte_comp_op *op __rte_unused,
+		struct isal_priv_xform *priv_xform)
+{
+	switch (priv_xform->type) {
+	case RTE_COMP_COMPRESS:
+		break;
+	case RTE_COMP_DECOMPRESS:
+		break;
+	default:
+		ISAL_PMD_LOG(ERR, "Operation Not Supported\n");
+		return -ENOTSUP;
+	}
+	return 0;
+}
+
 /* Enqueue burst */
 static uint16_t
-isal_comp_pmd_enqueue_burst(void *queue_pair __rte_unused,
-			struct rte_comp_op **ops __rte_unused,
-			uint16_t nb_ops __rte_unused)
+isal_comp_pmd_enqueue_burst(void *queue_pair, struct rte_comp_op **ops,
+			uint16_t nb_ops)
 {
-	uint16_t num_enq = 0;
+	struct isal_comp_qp *qp = queue_pair;
+	uint16_t i;
+	int retval;
+	int16_t num_enq = RTE_MIN(qp->num_free_elements, nb_ops);
+
+	for (i = 0; i < num_enq; i++) {
+		retval = process_op(qp, ops[i], ops[i]->private_xform);
+		if (unlikely(retval < 0) ||
+				ops[i]->status != RTE_COMP_OP_STATUS_SUCCESS) {
+			qp->qp_stats.enqueue_err_count++;
+		}
+	}
+
+	retval = rte_ring_enqueue_burst(qp->processed_pkts, (void *)ops,
+			num_enq, NULL);
+	qp->num_free_elements -= retval;
+	qp->qp_stats.enqueued_count += retval;
 
-	return num_enq;
+	return retval;
 }
 
 /* Dequeue burst */
 static uint16_t
-isal_comp_pmd_dequeue_burst(void *queue_pair __rte_unused,
-		struct rte_comp_op **ops __rte_unused,
-		uint16_t nb_ops __rte_unused)
+isal_comp_pmd_dequeue_burst(void *queue_pair, struct rte_comp_op **ops,
+		uint16_t nb_ops)
 {
-	uint16_t nb_dequeued = 0;
+	struct isal_comp_qp *qp = queue_pair;
+	uint16_t nb_dequeued;
+
+	nb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts, (void **)ops,
+			nb_ops, NULL);
+	qp->num_free_elements += nb_dequeued;
+	qp->qp_stats.dequeued_count += nb_dequeued;
 
 	return nb_dequeued;
 }
diff --git a/drivers/compress/isal/isal_compress_pmd_ops.c b/drivers/compress/isal/isal_compress_pmd_ops.c
index 73e4c84..1690c34 100644
--- a/drivers/compress/isal/isal_compress_pmd_ops.c
+++ b/drivers/compress/isal/isal_compress_pmd_ops.c
@@ -198,6 +198,8 @@ isal_comp_pmd_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
 		goto qp_setup_cleanup;
 	}
 
+	qp->num_free_elements = rte_ring_free_count(qp->processed_pkts);
+
 	memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
 	return 0;
 
-- 
2.7.4



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