[dpdk-dev] [PATCH v2 3/4] bnx2x: Enhance stats get routine

[Rasesh Mody <rasesh.mody@qlogic.com>]

Enhance the stats_get() routine to display drop counters under the
control of a debug flag.
Fix RX stats.

Signed-off-by: Harish Patil <harish.patil@qlogic.com>
Signed-off-by: Rasesh Mody <rasesh.mody@qlogic.com>
---
 drivers/net/bnx2x/bnx2x_ethdev.c |   53 ++++++++++++++++++++++++++++++++++++++
 drivers/net/bnx2x/bnx2x_rxtx.c   |    2 ++
 2 files changed, 55 insertions(+)

diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c
index 7e5be08..019dc66 100644
--- a/drivers/net/bnx2x/bnx2x_ethdev.c
+++ b/drivers/net/bnx2x/bnx2x_ethdev.c
@@ -276,6 +276,17 @@ static void
 bnx2x_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
 	struct bnx2x_softc *sc = dev->data->dev_private;
+	uint32_t brb_truncate_discard;
+	uint64_t brb_drops;
+	uint64_t brb_truncates;
+#ifdef RTE_LIBRTE_BNX2X_DEBUG
+	uint32_t mf_tag_discard;
+	uint32_t mac_filter_discard;
+	uint64_t rx_pause;
+	uint64_t tx_pause;
+	uint64_t rx_pfc;
+	uint64_t tx_pfc;
+#endif
 
 	PMD_INIT_FUNC_TRACE();
 
@@ -316,6 +327,48 @@ bnx2x_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 	stats->rx_nombuf =
 		HILO_U64(sc->eth_stats.no_buff_discard_hi,
 				sc->eth_stats.no_buff_discard_lo);
+	brb_drops =
+		HILO_U64(sc->eth_stats.brb_drop_hi,
+			 sc->eth_stats.brb_drop_lo);
+
+	brb_truncates =
+		HILO_U64(sc->eth_stats.brb_truncate_hi,
+			 sc->eth_stats.brb_truncate_lo);
+
+	brb_truncate_discard = sc->eth_stats.brb_truncate_discard;
+
+	stats->imissed = brb_drops + brb_truncates +
+			 brb_truncate_discard + stats->rx_nombuf;
+
+#ifdef RTE_LIBRTE_BNX2X_DEBUG
+	mac_filter_discard = sc->eth_stats.mac_filter_discard;
+
+	mf_tag_discard = sc->eth_stats.mf_tag_discard;
+
+	tx_pause = HILO_U64(sc->eth_stats.pause_frames_sent_hi,
+			    sc->eth_stats.pause_frames_sent_lo);
+
+	rx_pause = HILO_U64(sc->eth_stats.pause_frames_received_hi,
+			    sc->eth_stats.pause_frames_received_lo);
+
+	tx_pfc = HILO_U64(sc->eth_stats.pfc_frames_sent_hi,
+			  sc->eth_stats.pfc_frames_sent_lo);
+
+	rx_pfc = HILO_U64(sc->eth_stats.pfc_frames_received_hi,
+			  sc->eth_stats.pfc_frames_received_lo);
+
+	PMD_DRV_LOG(DEBUG, "port=%u, nobuff=%"PRIu64", brb_drops=%"PRIu64""
+		"brb_truncates=%"PRIu64", brb_truncate_discard=%"PRIu32""
+		"mac_filter_discard=%"PRIu32", mf_tag_discard=%"PRIu32"",
+		dev->data->port_id, stats->rx_nombuf, brb_drops,
+		brb_truncates, brb_truncate_discard,
+		mac_filter_discard, mf_tag_discard);
+
+	PMD_DRV_LOG(DEBUG, "port=%u, rx_pause=%"PRIu64", tx_pause=%"PRIu64""
+		"rx_pfc=%"PRIu64", tx_pfc=%"PRIu64"",
+		dev->data->port_id, rx_pause, tx_pause,
+		rx_pfc, tx_pfc);
+#endif
 }
 
 static void
diff --git a/drivers/net/bnx2x/bnx2x_rxtx.c b/drivers/net/bnx2x/bnx2x_rxtx.c
index 8b047d4..60bd08b 100644
--- a/drivers/net/bnx2x/bnx2x_rxtx.c
+++ b/drivers/net/bnx2x/bnx2x_rxtx.c
@@ -405,6 +405,8 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 		new_mb = bnx2x_rxmbuf_alloc(rxq->mb_pool);
 		if (unlikely(!new_mb)) {
 			PMD_RX_LOG(ERR, "mbuf alloc fail fp[%02d]", fp->index);
+			rte_eth_devices[rxq->port_id].data->
+					rx_mbuf_alloc_failed++;
 			goto next_rx;
 		}
 
-- 
1.7.10.3