[dpdk-dev] [PATCH 09/14] net/ionic: log queue counters when tearing down

[Andrew Boyer <aboyer@pensando.io>]

This improves debuggability.

To see the logs, use EAL arg: --log-level=pmd.net.ionic,debug

While here, stop counting fragments, but start counting mtods.

Signed-off-by: Andrew Boyer <aboyer@pensando.io>
---
 drivers/net/ionic/ionic_lif.h  |  2 +-
 drivers/net/ionic/ionic_rxtx.c | 13 +++++++++++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ionic/ionic_lif.h b/drivers/net/ionic/ionic_lif.h
index ba1471b6e9..5885aa1546 100644
--- a/drivers/net/ionic/ionic_lif.h
+++ b/drivers/net/ionic/ionic_lif.h
@@ -34,7 +34,6 @@ struct ionic_tx_stats {
 	uint64_t stop;
 	uint64_t no_csum;
 	uint64_t tso;
-	uint64_t frags;
 };
 
 struct ionic_rx_stats {
@@ -44,6 +43,7 @@ struct ionic_rx_stats {
 	uint64_t bad_cq_status;
 	uint64_t no_room;
 	uint64_t bad_len;
+	uint64_t mtods;
 };
 
 #define IONIC_QCQ_F_INITED	BIT(0)
diff --git a/drivers/net/ionic/ionic_rxtx.c b/drivers/net/ionic/ionic_rxtx.c
index 0565cea603..9d0df2a098 100644
--- a/drivers/net/ionic/ionic_rxtx.c
+++ b/drivers/net/ionic/ionic_rxtx.c
@@ -123,9 +123,13 @@ void __rte_cold
 ionic_dev_tx_queue_release(void *tx_queue)
 {
 	struct ionic_tx_qcq *txq = tx_queue;
+	struct ionic_tx_stats *stats = &txq->stats;
 
 	IONIC_PRINT_CALL();
 
+	IONIC_PRINT(DEBUG, "TX queue %u pkts %ju tso %ju",
+		txq->qcq.q.index, stats->packets, stats->tso);
+
 	ionic_lif_txq_deinit(txq);
 
 	ionic_qcq_free(&txq->qcq);
@@ -410,7 +414,6 @@ ionic_tx_tso(struct ionic_tx_qcq *txq, struct rte_mbuf *txm,
 		offset = 0;
 		data_iova = rte_mbuf_data_iova(txm_seg);
 		left = txm_seg->data_len;
-		stats->frags++;
 
 		while (left > 0) {
 			next_addr = rte_cpu_to_le_64(data_iova + offset);
@@ -508,7 +511,6 @@ ionic_tx(struct ionic_tx_qcq *txq, struct rte_mbuf *txm,
 	while (txm_seg != NULL) {
 		elem->len = txm_seg->data_len;
 		elem->addr = rte_cpu_to_le_64(rte_mbuf_data_iova(txm_seg));
-		stats->frags++;
 		elem++;
 		txm_seg = txm_seg->next;
 	}
@@ -657,12 +659,18 @@ void __rte_cold
 ionic_dev_rx_queue_release(void *rx_queue)
 {
 	struct ionic_rx_qcq *rxq = rx_queue;
+	struct ionic_rx_stats *stats;
 
 	if (!rxq)
 		return;
 
 	IONIC_PRINT_CALL();
 
+	stats = &rxq->stats;
+
+	IONIC_PRINT(DEBUG, "RX queue %u pkts %ju mtod %ju",
+		rxq->qcq.q.index, stats->packets, stats->mtods);
+
 	ionic_rx_empty(rxq);
 
 	ionic_lif_rxq_deinit(rxq);
@@ -887,6 +895,7 @@ ionic_rx_clean(struct ionic_rx_qcq *rxq,
 				pkt_type = RTE_PTYPE_L2_ETHER_ARP;
 			else
 				pkt_type = RTE_PTYPE_UNKNOWN;
+			stats->mtods++;
 			break;
 		}
 	}
-- 
2.17.1