cxgbe: add port statistics

Adds stats_get() and stats_reset() eth_dev_ops for cxgbe poll mode driver.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>

diff --git a/drivers/net/cxgbe/cxgbe.h b/drivers/net/cxgbe/cxgbe.h
index bf08baf..97c37d2 100644 (file)
--- a/drivers/net/cxgbe/cxgbe.h
+++ b/drivers/net/cxgbe/cxgbe.h
@@ -47,6 +47,8 @@ int cxgbe_probe(struct adapter *adapter);
 int cxgbe_up(struct adapter *adap);
 int cxgbe_down(struct port_info *pi);
 void cxgbe_close(struct adapter *adapter);
+void cxgbe_stats_get(struct port_info *pi, struct port_stats *stats);
+void cxgbe_stats_reset(struct port_info *pi);
 int link_start(struct port_info *pi);
 void init_rspq(struct adapter *adap, struct sge_rspq *q, unsigned int us,
               unsigned int cnt, unsigned int size, unsigned int iqe_size);

diff --git a/drivers/net/cxgbe/cxgbe_ethdev.c b/drivers/net/cxgbe/cxgbe_ethdev.c
index cb100fc..600a16c 100644 (file)
--- a/drivers/net/cxgbe/cxgbe_ethdev.c
+++ b/drivers/net/cxgbe/cxgbe_ethdev.c
@@ -500,6 +500,87 @@ static void cxgbe_dev_rx_queue_release(void *q)
        }
 }
 
+/*
+ * Get port statistics.
+ */
+static void cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev,
+                               struct rte_eth_stats *eth_stats)
+{
+       struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+       struct adapter *adapter = pi->adapter;
+       struct sge *s = &adapter->sge;
+       struct port_stats ps;
+       unsigned int i;
+
+       cxgbe_stats_get(pi, &ps);
+
+       /* RX Stats */
+       eth_stats->ipackets = ps.rx_frames;
+       eth_stats->ibytes   = ps.rx_octets;
+       eth_stats->imcasts  = ps.rx_mcast_frames;
+       eth_stats->imissed  = ps.rx_ovflow0 + ps.rx_ovflow1 +
+                             ps.rx_ovflow2 + ps.rx_ovflow3 +
+                             ps.rx_trunc0 + ps.rx_trunc1 +
+                             ps.rx_trunc2 + ps.rx_trunc3;
+       eth_stats->ibadcrc  = ps.rx_fcs_err;
+       eth_stats->ibadlen  = ps.rx_jabber + ps.rx_too_long + ps.rx_runt;
+       eth_stats->ierrors  = ps.rx_symbol_err + eth_stats->ibadcrc +
+                             eth_stats->ibadlen + ps.rx_len_err +
+                             eth_stats->imissed;
+       eth_stats->rx_pause_xon  = ps.rx_pause;
+
+       /* TX Stats */
+       eth_stats->opackets = ps.tx_frames;
+       eth_stats->obytes   = ps.tx_octets;
+       eth_stats->oerrors  = ps.tx_error_frames;
+       eth_stats->tx_pause_xon  = ps.tx_pause;
+
+       for (i = 0; i < pi->n_rx_qsets; i++) {
+               struct sge_eth_rxq *rxq =
+                       &s->ethrxq[pi->first_qset + i];
+
+               eth_stats->q_ipackets[i] = rxq->stats.pkts;
+               eth_stats->q_ibytes[i] = rxq->stats.rx_bytes;
+       }
+
+       for (i = 0; i < pi->n_tx_qsets; i++) {
+               struct sge_eth_txq *txq =
+                       &s->ethtxq[pi->first_qset + i];
+
+               eth_stats->q_opackets[i] = txq->stats.pkts;
+               eth_stats->q_obytes[i] = txq->stats.tx_bytes;
+               eth_stats->q_errors[i] = txq->stats.mapping_err;
+       }
+}
+
+/*
+ * Reset port statistics.
+ */
+static void cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev)
+{
+       struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+       struct adapter *adapter = pi->adapter;
+       struct sge *s = &adapter->sge;
+       unsigned int i;
+
+       cxgbe_stats_reset(pi);
+       for (i = 0; i < pi->n_rx_qsets; i++) {
+               struct sge_eth_rxq *rxq =
+                       &s->ethrxq[pi->first_qset + i];
+
+               rxq->stats.pkts = 0;
+               rxq->stats.rx_bytes = 0;
+       }
+       for (i = 0; i < pi->n_tx_qsets; i++) {
+               struct sge_eth_txq *txq =
+                       &s->ethtxq[pi->first_qset + i];
+
+               txq->stats.pkts = 0;
+               txq->stats.tx_bytes = 0;
+               txq->stats.mapping_err = 0;
+       }
+}
+
 static struct eth_dev_ops cxgbe_eth_dev_ops = {
        .dev_start              = cxgbe_dev_start,
        .dev_stop               = cxgbe_dev_stop,
@@ -514,6 +595,8 @@ static struct eth_dev_ops cxgbe_eth_dev_ops = {
        .rx_queue_start         = cxgbe_dev_rx_queue_start,
        .rx_queue_stop          = cxgbe_dev_rx_queue_stop,
        .rx_queue_release       = cxgbe_dev_rx_queue_release,
+       .stats_get              = cxgbe_dev_stats_get,
+       .stats_reset            = cxgbe_dev_stats_reset,
 };
 
 /*

diff --git a/drivers/net/cxgbe/cxgbe_main.c b/drivers/net/cxgbe/cxgbe_main.c
index 7995d3c..dad0a98 100644 (file)
--- a/drivers/net/cxgbe/cxgbe_main.c
+++ b/drivers/net/cxgbe/cxgbe_main.c
@@ -310,6 +310,17 @@ void cfg_queues(struct rte_eth_dev *eth_dev)
        }
 }
 
+void cxgbe_stats_get(struct port_info *pi, struct port_stats *stats)
+{
+       t4_get_port_stats_offset(pi->adapter, pi->tx_chan, stats,
+                                &pi->stats_base);
+}
+
+void cxgbe_stats_reset(struct port_info *pi)
+{
+       t4_clr_port_stats(pi->adapter, pi->tx_chan);
+}
+
 static void setup_memwin(struct adapter *adap)
 {
        u32 mem_win0_base;