From: Vanshika Shukla <vanshika.shukla@nxp.com>
Introduces basic statistics collection for ENETC4 PMD, including:
- Packet transmit/receive counts
- Byte transmit/receive counts
- Error counters (TX/RX drops, errors)
Signed-off-by: Apeksha Gupta <apeksha.gupta@nxp.com>
Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
---
doc/guides/nics/features/enetc4.ini | 1 +
drivers/net/enetc/base/enetc4_hw.h | 7 +++++
drivers/net/enetc/base/enetc_hw.h | 5 +++-
drivers/net/enetc/enetc4_ethdev.c | 42 +++++++++++++++++++++++++++++
drivers/net/enetc/enetc4_vf.c | 24 +++++++++++++++++
5 files changed, 78 insertions(+), 1 deletion(-)
@@ -4,6 +4,7 @@
; Refer to default.ini for the full list of available PMD features.
;
[Features]
+Basic stats = Y
L3 checksum offload = Y
L4 checksum offload = Y
Queue start/stop = Y
@@ -103,6 +103,13 @@
#define IFMODE_SGMII 5
#define PM_IF_MODE_ENA BIT(15)
+/* Station interface statistics */
+#define ENETC4_SIROCT0 0x300
+#define ENETC4_SIRFRM0 0x308
+#define ENETC4_SITOCT0 0x320
+#define ENETC4_SITFRM0 0x328
+#define ENETC4_SITDFCR 0x340
+
/* general register accessors */
#define enetc4_rd_reg(reg) rte_read32((void *)(reg))
#define enetc4_wr_reg(reg, val) rte_write32((val), (void *)(reg))
@@ -278,7 +278,10 @@ union enetc_rx_bd {
union {
struct {
uint16_t flags;
- uint16_t error;
+ uint8_t error;
+ uint8_t resv:6;
+ uint8_t r:1;
+ uint8_t f:1;
};
uint32_t lstatus;
};
@@ -484,6 +484,46 @@ enetc4_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
rte_free(rx_ring);
}
+static
+int enetc4_stats_get(struct rte_eth_dev *dev,
+ struct rte_eth_stats *stats)
+{
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+
+ /*
+ * Total received packets, bad + good, if we want to get counters
+ * of only good received packets then use ENETC4_PM_RFRM,
+ * ENETC4_PM_TFRM registers.
+ */
+ stats->ipackets = enetc4_port_rd(enetc_hw, ENETC4_PM_RPKT(0));
+ stats->opackets = enetc4_port_rd(enetc_hw, ENETC4_PM_TPKT(0));
+ stats->ibytes = enetc4_port_rd(enetc_hw, ENETC4_PM_REOCT(0));
+ stats->obytes = enetc4_port_rd(enetc_hw, ENETC4_PM_TEOCT(0));
+ /*
+ * Dropped + Truncated packets, use ENETC4_PM_RDRNTP(0) for without
+ * truncated packets
+ */
+ stats->imissed = enetc4_port_rd(enetc_hw, ENETC4_PM_RDRP(0));
+ stats->ierrors = enetc4_port_rd(enetc_hw, ENETC4_PM_RERR(0));
+ stats->oerrors = enetc4_port_rd(enetc_hw, ENETC4_PM_TERR(0));
+
+ return 0;
+}
+
+static int
+enetc4_stats_reset(struct rte_eth_dev *dev)
+{
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+
+ enetc4_port_wr(enetc_hw, ENETC4_PM0_STAT_CONFIG, ENETC4_CLEAR_STATS);
+
+ return 0;
+}
+
int
enetc4_dev_close(struct rte_eth_dev *dev)
{
@@ -668,6 +708,8 @@ static const struct eth_dev_ops enetc4_ops = {
.dev_stop = enetc4_dev_stop,
.dev_close = enetc4_dev_close,
.dev_infos_get = enetc4_dev_infos_get,
+ .stats_get = enetc4_stats_get,
+ .stats_reset = enetc4_stats_reset,
.rx_queue_setup = enetc4_rx_queue_setup,
.rx_queue_start = enetc4_rx_queue_start,
.rx_queue_stop = enetc4_rx_queue_stop,
@@ -26,6 +26,29 @@ enetc4_vf_dev_start(struct rte_eth_dev *dev __rte_unused)
return 0;
}
+static int
+enetc4_vf_stats_get(struct rte_eth_dev *dev,
+ struct rte_eth_stats *stats)
+{
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+ struct enetc_bdr *rx_ring;
+ uint8_t i;
+
+ PMD_INIT_FUNC_TRACE();
+ stats->ipackets = enetc4_rd(enetc_hw, ENETC4_SIRFRM0);
+ stats->opackets = enetc4_rd(enetc_hw, ENETC4_SITFRM0);
+ stats->ibytes = enetc4_rd(enetc_hw, ENETC4_SIROCT0);
+ stats->obytes = enetc4_rd(enetc_hw, ENETC4_SITOCT0);
+ stats->oerrors = enetc4_rd(enetc_hw, ENETC4_SITDFCR);
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ rx_ring = dev->data->rx_queues[i];
+ stats->ierrors += rx_ring->ierrors;
+ }
+ return 0;
+}
+
/*
* The set of PCI devices this driver supports
*/
@@ -41,6 +64,7 @@ static const struct eth_dev_ops enetc4_vf_ops = {
.dev_stop = enetc4_vf_dev_stop,
.dev_close = enetc4_dev_close,
.dev_infos_get = enetc4_dev_infos_get,
+ .stats_get = enetc4_vf_stats_get,
.rx_queue_setup = enetc4_rx_queue_setup,
.rx_queue_start = enetc4_rx_queue_start,
.rx_queue_stop = enetc4_rx_queue_stop,