[dpdk-dev] [memnic PATCH 3/5] pmd: implement stats of MEMNIC

[Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>]

From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>

Implement missing feature to account statistics.
This patch adds just an infrastructure.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Reviewed-by: Hayato Momma <h-momma@ce.jp.nec.com>
---
 pmd/pmd_memnic.c | 45 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 42 insertions(+), 3 deletions(-)

diff --git a/pmd/pmd_memnic.c b/pmd/pmd_memnic.c
index bf5fc2e..fc2d990 100644
--- a/pmd/pmd_memnic.c
+++ b/pmd/pmd_memnic.c
@@ -51,6 +51,7 @@ struct memnic_adapter {
 	int up_idx, down_idx;
 	struct rte_mempool *mp;
 	struct ether_addr mac_addr;
+	struct rte_eth_stats stats[RTE_MAX_LCORE];
 };
 
 static inline struct memnic_adapter *get_adapter(const struct rte_eth_dev *dev)
@@ -126,13 +127,51 @@ static void memnic_dev_infos_get(struct rte_eth_dev *dev,
 	dev_info->max_mac_addrs = 1;
 }
 
-static void memnic_dev_stats_get(__rte_unused struct rte_eth_dev *dev,
-				 __rte_unused struct rte_eth_stats *stats)
+static void memnic_dev_stats_get(struct rte_eth_dev *dev,
+				 struct rte_eth_stats *stats)
 {
+	struct memnic_adapter *adapter = get_adapter(dev);
+	int i;
+
+	memset(stats, 0, sizeof(*stats));
+	for (i = 0; i < RTE_MAX_LCORE; i++) {
+		struct rte_eth_stats *st = &adapter->stats[i];
+
+		stats->ipackets += st->ipackets;
+		stats->opackets += st->opackets;
+		stats->ibytes += st->ibytes;
+		stats->obytes += st->obytes;
+		stats->ierrors += st->ierrors;
+		stats->oerrors += st->oerrors;
+		stats->imcasts += st->imcasts;
+		stats->rx_nombuf += st->rx_nombuf;
+		stats->fdirmatch += st->fdirmatch;
+		stats->fdirmiss += st->fdirmiss;
+
+		/* no multiqueue support now */
+		stats->q_ipackets[0] = st->q_ipackets[0];
+		stats->q_opackets[0] = st->q_opackets[0];
+		stats->q_ibytes[0] = st->q_ibytes[0];
+		stats->q_obytes[0] = st->q_obytes[0];
+		stats->q_errors[0] = st->q_errors[0];
+
+		stats->ilbpackets += st->ilbpackets;
+		stats->olbpackets += st->olbpackets;
+		stats->ilbbytes += st->ilbbytes;
+		stats->olbbytes += st->olbbytes;
+	}
 }
 
-static void memnic_dev_stats_reset(__rte_unused struct rte_eth_dev *dev)
+static void memnic_dev_stats_reset(struct rte_eth_dev *dev)
 {
+	struct memnic_adapter *adapter = get_adapter(dev);
+	int i;
+
+	for (i = 0; i < RTE_MAX_LCORE; i++) {
+		struct rte_eth_stats *st = &adapter->stats[i];
+
+		memset(st, 0, sizeof(*st));
+	}
 }
 
 static int memnic_dev_link_update(struct rte_eth_dev *dev,
-- 
1.8.4