crypto/ipsec_mb: fix enqueue counter for SNOW3G

[ upstream commit dd6b0a910ff32b2b367c18ad97b045c8dc5aa882 ]

This patch removes enqueue op counter update from the process_op_bit
function where the process is now done in dequeue stage. The original
stats increment was incorrect as they shouldn't have been updated at all
in this function.

Fixes: 4f1cfda ("crypto/ipsec_mb: move snow3g PMD")

Signed-off-by: Saoirse O'Donovan <saoirse.odonovan@intel.com>
Acked-by: Ciara Power <ciara.power@intel.com>

drivers/crypto/ipsec_mb/pmd_snow3g.c

@@ -376,9 +376,10 @@ process_ops(struct rte_crypto_op **ops, struct snow3g_session *session,
 /** Process a crypto op with length/offset in bits. */
 static int
 process_op_bit(struct rte_crypto_op *op, struct snow3g_session *session,
-		struct ipsec_mb_qp *qp, uint16_t *accumulated_enqueued_ops)
+		struct ipsec_mb_qp *qp)
 {
-	uint32_t enqueued_op, processed_op;
+	unsigned int processed_op;
+	int ret;
 
 	switch (session->op) {
 	case IPSEC_MB_OP_ENCRYPT_ONLY:
@@ -424,9 +425,10 @@ process_op_bit(struct rte_crypto_op *op, struct snow3g_session *session,
 
 	if (unlikely(processed_op != 1))
 		return 0;
-	enqueued_op = rte_ring_enqueue(qp->ingress_queue, op);
-	qp->stats.enqueued_count += enqueued_op;
-	*accumulated_enqueued_ops += enqueued_op;
+
+	ret = rte_ring_enqueue(qp->ingress_queue, op);
+	if (ret != 0)
+		return ret;
 
 	return 1;
 }
@@ -442,7 +444,6 @@ snow3g_pmd_dequeue_burst(void *queue_pair,
 	struct snow3g_session *prev_sess = NULL, *curr_sess = NULL;
 	uint32_t i;
 	uint8_t burst_size = 0;
-	uint16_t enqueued_ops = 0;
 	uint8_t processed_ops;
 	uint32_t nb_dequeued;
 
@@ -482,8 +483,7 @@ snow3g_pmd_dequeue_burst(void *queue_pair,
 				prev_sess = NULL;
 			}
 
-			processed_ops = process_op_bit(curr_c_op, curr_sess,
-							qp, &enqueued_ops);
+			processed_ops = process_op_bit(curr_c_op, curr_sess, qp);
 			if (processed_ops != 1)
 				break;