[dpdk-dev] [PATCH v2 2/7] ixgbe: move stats register reads to a new function
Maryam Tahhan
maryam.tahhan at intel.com
Tue Jun 9 17:10:41 CEST 2015
Move stats register reads to ixgbe_read_stats_registers() as it will be
used by the functions to retrieve stats and extended stats.
Signed-off-by: Maryam Tahhan <maryam.tahhan at intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 76 ++++++++++++++++++++++++++++------------
1 file changed, 54 insertions(+), 22 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 0d9f9b2..543e8ab 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1739,24 +1739,16 @@ ixgbe_dev_close(struct rte_eth_dev *dev)
ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
}
-/*
- * This function is based on ixgbe_update_stats_counters() in base/ixgbe.c
- */
static void
-ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+ixgbe_read_stats_registers(struct ixgbe_hw *hw, struct ixgbe_hw_stats
+ *hw_stats, uint64_t *total_missed_rx,
+ uint64_t *total_qbrc, uint64_t *total_qprc,
+ uint64_t *rxnfgpc, uint64_t *txdgpc,
+ uint64_t *total_qprdc)
{
- struct ixgbe_hw *hw =
- IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct ixgbe_hw_stats *hw_stats =
- IXGBE_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
uint32_t bprc, lxon, lxoff, total;
- uint64_t total_missed_rx, total_qbrc, total_qprc;
unsigned i;
- total_missed_rx = 0;
- total_qbrc = 0;
- total_qprc = 0;
-
hw_stats->crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
hw_stats->illerrc += IXGBE_READ_REG(hw, IXGBE_ILLERRC);
hw_stats->errbc += IXGBE_READ_REG(hw, IXGBE_ERRBC);
@@ -1768,7 +1760,7 @@ ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
/* global total per queue */
hw_stats->mpc[i] += mp;
/* Running comprehensive total for stats display */
- total_missed_rx += hw_stats->mpc[i];
+ *total_missed_rx += hw_stats->mpc[i];
if (hw->mac.type == ixgbe_mac_82598EB)
hw_stats->rnbc[i] +=
IXGBE_READ_REG(hw, IXGBE_RNBC(i));
@@ -1792,10 +1784,11 @@ ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
hw_stats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC_L(i));
hw_stats->qbtc[i] +=
((uint64_t)IXGBE_READ_REG(hw, IXGBE_QBTC_H(i)) << 32);
- hw_stats->qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
+ *total_qprdc += hw_stats->qprdc[i] +=
+ IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
- total_qprc += hw_stats->qprc[i];
- total_qbrc += hw_stats->qbrc[i];
+ *total_qprc += hw_stats->qprc[i];
+ *total_qbrc += hw_stats->qbrc[i];
}
hw_stats->mlfc += IXGBE_READ_REG(hw, IXGBE_MLFC);
hw_stats->mrfc += IXGBE_READ_REG(hw, IXGBE_MRFC);
@@ -1803,6 +1796,8 @@ ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
/* Note that gprc counts missed packets */
hw_stats->gprc += IXGBE_READ_REG(hw, IXGBE_GPRC);
+ *rxnfgpc += IXGBE_READ_REG(hw, IXGBE_RXNFGPC);
+ *txdgpc += IXGBE_READ_REG(hw, IXGBE_TXDGPC);
if (hw->mac.type != ixgbe_mac_82598EB) {
hw_stats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL);
@@ -1879,6 +1874,31 @@ ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
hw_stats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
hw_stats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
}
+}
+
+/*
+ * This function is based on ixgbe_update_stats_counters() in ixgbe/ixgbe.c
+ */
+static void
+ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+ struct ixgbe_hw *hw =
+ IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct ixgbe_hw_stats *hw_stats =
+ IXGBE_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
+ uint64_t total_missed_rx, total_qbrc, total_qprc, total_qprdc;
+ uint64_t rxnfgpc, txdgpc;
+ unsigned i;
+
+ total_missed_rx = 0;
+ total_qbrc = 0;
+ total_qprc = 0;
+ total_qprdc = 0;
+ rxnfgpc = 0;
+ txdgpc = 0;
+
+ ixgbe_read_stats_registers(hw, hw_stats, &total_missed_rx, &total_qbrc,
+ &total_qprc, &rxnfgpc, &txdgpc, &total_qprdc);
if (stats == NULL)
return;
@@ -1902,13 +1922,25 @@ ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
stats->ibadcrc = hw_stats->crcerrs;
stats->ibadlen = hw_stats->rlec + hw_stats->ruc + hw_stats->roc;
stats->imissed = total_missed_rx;
- stats->ierrors = stats->ibadcrc +
- stats->ibadlen +
- stats->imissed +
- hw_stats->illerrc + hw_stats->errbc;
-
+ stats->imacerr = stats->ibadlen +
+ hw_stats->xec +
+ hw_stats->crcerrs +
+ hw_stats->illerrc +
+ hw_stats->errbc +
+ hw_stats->mlfc +
+ hw_stats->mrfc +
+ hw_stats->rfc +
+ hw_stats->rjc +
+ hw_stats->fccrc +
+ hw_stats->fclast;
+ stats->iphyerr = rxnfgpc - hw_stats->gprc ;
+ stats->ierrors = stats->imacerr + stats->iphyerr + stats->imissed;
+ stats->idrop = hw_stats->mngpdc +
+ hw_stats->fcoerpdc +
+ total_qprdc;
/* Tx Errors */
stats->oerrors = 0;
+ stats->odrop = txdgpc - hw_stats->gptc;
/* XON/XOFF pause frames */
stats->tx_pause_xon = hw_stats->lxontxc;
--
1.9.3
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