[dpdk-dev] [PATCH v4 02/13] port: added port_ethdev_reader stats

[Michal Jastrzebski]

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

Added statistics for ethdev reader port.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica at intel.com>
---
 lib/librte_port/rte_port_ethdev.c |   37 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/lib/librte_port/rte_port_ethdev.c 
b/lib/librte_port/rte_port_ethdev.c
index 39ed72d..da1af08 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_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
  */
@@ -422,6 +456,7 @@ 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