[dpdk-dev] [PATCH v2 02/13] port: added port_ethdev_reader stats

[Michal Jastrzebski <michalx.k.jastrzebski@intel.com>]

From: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>

Added statistics for ethdev reader port.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
---
 config/common_bsdapp              |    1 +
 config/common_linuxapp            |    1 +
 lib/librte_port/rte_port_ethdev.c |   37 ++++++++++++++++++++++++++++++++++++-
 3 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/config/common_bsdapp b/config/common_bsdapp
index c2374c0..db73c9c 100644
--- a/config/common_bsdapp
+++ b/config/common_bsdapp
@@ -383,6 +383,7 @@ CONFIG_RTE_LIBRTE_REORDER=y
 # Compile librte_port
 #
 CONFIG_RTE_LIBRTE_PORT=y
+CONFIG_RTE_PORT_ETHDEV_READER_STATS_COLLECT=n
 
 #
 # Compile librte_table
diff --git a/config/common_linuxapp b/config/common_linuxapp
index 0078dc9..a8719a6 100644
--- a/config/common_linuxapp
+++ b/config/common_linuxapp
@@ -390,6 +390,7 @@ CONFIG_RTE_LIBRTE_REORDER=y
 # Compile librte_port
 #
 CONFIG_RTE_LIBRTE_PORT=y
+CONFIG_RTE_PORT_ETHDEV_READER_STATS_COLLECT=n
 
 #
 # Compile librte_table
diff --git a/lib/librte_port/rte_port_ethdev.c b/lib/librte_port/rte_port_ethdev.c
index 1f77cb5..05bc077 100644
--- a/lib/librte_port/rte_port_ethdev.c
+++ b/lib/librte_port/rte_port_ethdev.c
@@ -42,7 +42,23 @@
 /*
  * Port ETHDEV Reader
  */
+#ifdef RTE_PORT_ETHDEV_READER_STATS_COLLECT
+
+#define RTE_PORT_ETHDEV_READER_STATS_PKTS_IN_ADD(port, val) \
+	port->stats.n_pkts_in += val
+#define RTE_PORT_ETHDEV_READER_STATS_PKTS_DROP_ADD(port, val) \
+	port->stats.n_pkts_drop += val
+
+#else
+
+#define RTE_PORT_ETHDEV_READER_STATS_PKTS_IN_ADD(port, val)
+#define RTE_PORT_ETHDEV_READER_STATS_PKTS_DROP_ADD(port, val)
+
+#endif
+
 struct rte_port_ethdev_reader {
+	struct rte_port_in_stats stats;
+
 	uint16_t queue_id;
 	uint8_t port_id;
 };
@@ -80,8 +96,11 @@ rte_port_ethdev_reader_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts)
 {
 	struct rte_port_ethdev_reader *p =
 		(struct rte_port_ethdev_reader *) port;
+	uint16_t rx_pkt_cnt;
 
-	return rte_eth_rx_burst(p->port_id, p->queue_id, pkts, n_pkts);
+	rx_pkt_cnt = rte_eth_rx_burst(p->port_id, p->queue_id, pkts, n_pkts);
+	RTE_PORT_ETHDEV_READER_STATS_PKTS_IN_ADD(p, rx_pkt_cnt);
+	return rx_pkt_cnt;
 }
 
 static int
@@ -97,6 +116,21 @@ rte_port_ethdev_reader_free(void *port)
 	return 0;
 }
 
+static int rte_port_ethdev_reader_stats_read(void *port,
+		struct rte_port_in_stats * stats, int clear)
+{
+	struct rte_port_ethdev_reader *p =
+			(struct rte_port_ethdev_reader *) port;
+
+	if (stats != NULL)
+		memcpy(stats, &p->stats, sizeof(p->stats));
+
+	if (clear)
+		memset(&p->stats, 0, sizeof(p->stats));
+
+	return 0;
+}
+
 /*
  * Port ETHDEV Writer
  */
@@ -516,6 +550,7 @@ struct rte_port_in_ops rte_port_ethdev_reader_ops = {
 	.f_create = rte_port_ethdev_reader_create,
 	.f_free = rte_port_ethdev_reader_free,
 	.f_rx = rte_port_ethdev_reader_rx,
+	.f_stats = rte_port_ethdev_reader_stats_read,
 };
 
 struct rte_port_out_ops rte_port_ethdev_writer_ops = {
-- 
1.7.9.5