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From: Mingxia Liu <mingxia.liu@intel.com>
To: dev@dpdk.org,
beilei.xing@intel.com,
yuying.zhang@intel.com
Cc: Mingxia Liu <mingxia.liu@intel.com>
Subject: [PATCH v7 18/21] net/cpfl: add HW statistics
Date: Thu, 16 Feb 2023 00:30:07 +0000
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This patch add hardware packets/bytes statistics.
Signed-off-by: Mingxia Liu <mingxia.liu@intel.com>
---
drivers/net/cpfl/cpfl_ethdev.c | 86 ++++++++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)
diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c
index 1e40f3e55c..0fb9f0455b 100644
--- a/drivers/net/cpfl/cpfl_ethdev.c
+++ b/drivers/net/cpfl/cpfl_ethdev.c
@@ -178,6 +178,87 @@ cpfl_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
return ptypes;
}
+static uint64_t
+cpfl_get_mbuf_alloc_failed_stats(struct rte_eth_dev *dev)
+{
+ uint64_t mbuf_alloc_failed = 0;
+ struct idpf_rx_queue *rxq;
+ int i = 0;
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ rxq = dev->data->rx_queues[i];
+ mbuf_alloc_failed += __atomic_load_n(&rxq->rx_stats.mbuf_alloc_failed,
+ __ATOMIC_RELAXED);
+ }
+
+ return mbuf_alloc_failed;
+}
+
+static int
+cpfl_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+ struct idpf_vport *vport =
+ (struct idpf_vport *)dev->data->dev_private;
+ struct virtchnl2_vport_stats *pstats = NULL;
+ int ret;
+
+ ret = idpf_vc_stats_query(vport, &pstats);
+ if (ret == 0) {
+ uint8_t crc_stats_len = (dev->data->dev_conf.rxmode.offloads &
+ RTE_ETH_RX_OFFLOAD_KEEP_CRC) ? 0 :
+ RTE_ETHER_CRC_LEN;
+
+ idpf_vport_stats_update(&vport->eth_stats_offset, pstats);
+ stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
+ pstats->rx_broadcast - pstats->rx_discards;
+ stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
+ pstats->tx_unicast;
+ stats->imissed = pstats->rx_discards;
+ stats->oerrors = pstats->tx_errors + pstats->tx_discards;
+ stats->ibytes = pstats->rx_bytes;
+ stats->ibytes -= stats->ipackets * crc_stats_len;
+ stats->obytes = pstats->tx_bytes;
+
+ dev->data->rx_mbuf_alloc_failed = cpfl_get_mbuf_alloc_failed_stats(dev);
+ stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
+ } else {
+ PMD_DRV_LOG(ERR, "Get statistics failed");
+ }
+ return ret;
+}
+
+static void
+cpfl_reset_mbuf_alloc_failed_stats(struct rte_eth_dev *dev)
+{
+ struct idpf_rx_queue *rxq;
+ int i;
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ rxq = dev->data->rx_queues[i];
+ __atomic_store_n(&rxq->rx_stats.mbuf_alloc_failed, 0, __ATOMIC_RELAXED);
+ }
+}
+
+static int
+cpfl_dev_stats_reset(struct rte_eth_dev *dev)
+{
+ struct idpf_vport *vport =
+ (struct idpf_vport *)dev->data->dev_private;
+ struct virtchnl2_vport_stats *pstats = NULL;
+ int ret;
+
+ ret = idpf_vc_stats_query(vport, &pstats);
+ if (ret != 0)
+ return ret;
+
+ /* set stats offset base on current values */
+ vport->eth_stats_offset = *pstats;
+
+ cpfl_reset_mbuf_alloc_failed_stats(dev);
+
+ return 0;
+}
+
static int
cpfl_init_rss(struct idpf_vport *vport)
{
@@ -365,6 +446,9 @@ cpfl_dev_start(struct rte_eth_dev *dev)
goto err_vport;
}
+ if (cpfl_dev_stats_reset(dev))
+ PMD_DRV_LOG(ERR, "Failed to reset stats");
+
vport->stopped = 0;
return 0;
@@ -766,6 +850,8 @@ static const struct eth_dev_ops cpfl_eth_dev_ops = {
.tx_queue_release = cpfl_dev_tx_queue_release,
.mtu_set = cpfl_dev_mtu_set,
.dev_supported_ptypes_get = cpfl_dev_supported_ptypes_get,
+ .stats_get = cpfl_dev_stats_get,
+ .stats_reset = cpfl_dev_stats_reset,
};
static uint16_t
--
2.25.1