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

Added statistics for port writer port.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica at intel.com>
---
 config/common_bsdapp            |    1 +
 config/common_linuxapp          |    1 +
 lib/librte_port/rte_port_ring.c |   40 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/config/common_bsdapp b/config/common_bsdapp
index 47165f9..3d250ae 100644
--- a/config/common_bsdapp
+++ b/config/common_bsdapp
@@ -389,6 +389,7 @@ CONFIG_RTE_PORT_ETHDEV_WRITER_NODROP_STATS_COLLECT=n
 CONFIG_RTE_PORT_RING_READER_FRAG_STATS_COLLECT=n
 CONFIG_RTE_PORT_RING_WRITER_RAS_STATS_COLLECT=n
 CONFIG_RTE_PORT_RING_READER_STATS_COLLECT=n
+CONFIG_RTE_PORT_RING_WRITER_STATS_COLLECT=n

 #
 # Compile librte_table
diff --git a/config/common_linuxapp b/config/common_linuxapp
index a6da86c..770a1f0 100644
--- a/config/common_linuxapp
+++ b/config/common_linuxapp
@@ -396,6 +396,7 @@ CONFIG_RTE_PORT_ETHDEV_WRITER_NODROP_STATS_COLLECT=n
 CONFIG_RTE_PORT_RING_READER_FRAG_STATS_COLLECT=n
 CONFIG_RTE_PORT_RING_WRITER_RAS_STATS_COLLECT=n
 CONFIG_RTE_PORT_RING_READER_STATS_COLLECT=n
+CONFIG_RTE_PORT_RING_WRITER_STATS_COLLECT=n

 #
 # Compile librte_table
diff --git a/lib/librte_port/rte_port_ring.c b/lib/librte_port/rte_port_ring.c
index 6c5b514..6d03093 100644
--- a/lib/librte_port/rte_port_ring.c
+++ b/lib/librte_port/rte_port_ring.c
@@ -135,7 +135,23 @@ rte_port_ring_reader_stats_read(void *port,
  */
 #define RTE_PORT_RING_WRITER_APPROACH                  1

+#ifdef RTE_PORT_RING_WRITER_STATS_COLLECT
+
+#define RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(port, val) \
+       port->stats.n_pkts_in += val
+#define RTE_PORT_RING_WRITER_STATS_PKTS_DROP_ADD(port, val) \
+       port->stats.n_pkts_drop += val
+
+#else
+
+#define RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(port, val)
+#define RTE_PORT_RING_WRITER_STATS_PKTS_DROP_ADD(port, val)
+
+#endif
+
 struct rte_port_ring_writer {
+       struct rte_port_out_stats stats;
+
        struct rte_mbuf *tx_buf[RTE_PORT_IN_BURST_SIZE_MAX];
        struct rte_ring *ring;
        uint32_t tx_burst_sz;
@@ -183,6 +199,7 @@ send_burst(struct rte_port_ring_writer *p)
        nb_tx = rte_ring_sp_enqueue_burst(p->ring, (void **)p->tx_buf,
                        p->tx_buf_count);

+       RTE_PORT_RING_WRITER_STATS_PKTS_DROP_ADD(p, p->tx_buf_count - nb_tx);
        for ( ; nb_tx < p->tx_buf_count; nb_tx++)
                rte_pktmbuf_free(p->tx_buf[nb_tx]);

@@ -195,6 +212,7 @@ rte_port_ring_writer_tx(void *port, struct rte_mbuf *pkt)
        struct rte_port_ring_writer *p = (struct rte_port_ring_writer *) port;

        p->tx_buf[p->tx_buf_count++] = pkt;
+       RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(p, 1);
        if (p->tx_buf_count >= p->tx_burst_sz)
                send_burst(p);

@@ -214,6 +232,7 @@ rte_port_ring_writer_tx_bulk(void *port,
                uint64_t n_pkts = __builtin_popcountll(pkts_mask);
                uint32_t i;

+               RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(p, n_pkts);
                for (i = 0; i < n_pkts; i++) {
                        struct rte_mbuf *pkt = pkts[i];

@@ -228,6 +247,7 @@ rte_port_ring_writer_tx_bulk(void *port,
                        struct rte_mbuf *pkt = pkts[pkt_index];

                        p->tx_buf[p->tx_buf_count++] = pkt;
+                       RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(p, 1);
                        if (p->tx_buf_count >= p->tx_burst_sz)
                                send_burst(p);
                        pkts_mask &= ~pkt_mask;
@@ -259,8 +279,10 @@ rte_port_ring_writer_tx_bulk(void *port,
                if (tx_buf_count)
                        send_burst(p);

+               RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(p, n_pkts);
                n_pkts_ok = rte_ring_sp_enqueue_burst(p->ring, (void **)pkts, 
n_pkts);

+               RTE_PORT_RING_WRITER_STATS_PKTS_DROP_ADD(p, n_pkts - n_pkts_ok);
                for ( ; n_pkts_ok < n_pkts; n_pkts_ok++) {
                        struct rte_mbuf *pkt = pkts[n_pkts_ok];

@@ -273,6 +295,7 @@ rte_port_ring_writer_tx_bulk(void *port,
                        struct rte_mbuf *pkt = pkts[pkt_index];

                        p->tx_buf[tx_buf_count++] = pkt;
+                       RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(p, 1);
                        pkts_mask &= ~pkt_mask;
                }

@@ -315,6 +338,22 @@ rte_port_ring_writer_free(void *port)
        return 0;
 }

+static int
+rte_port_ring_writer_stats_read(void *port,
+               struct rte_port_out_stats *stats, int clear)
+{
+       struct rte_port_ring_writer *p =
+               (struct rte_port_ring_writer *) port;
+
+       if (stats != NULL)
+               memcpy(stats, &p->stats, sizeof(p->stats));
+
+       if (clear)
+               memset(&p->stats, 0, sizeof(p->stats));
+
+       return 0;
+}
+
 /*
  * Port RING Writer Nodrop
  */
@@ -548,6 +587,7 @@ struct rte_port_out_ops rte_port_ring_writer_ops = {
        .f_tx = rte_port_ring_writer_tx,
        .f_tx_bulk = rte_port_ring_writer_tx_bulk,
        .f_flush = rte_port_ring_writer_flush,
+       .f_stats = rte_port_ring_writer_stats_read,
 };

 struct rte_port_out_ops rte_port_ring_writer_nodrop_ops = {
-- 
1.7.9.5

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