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Message-ID: <20230724112934.2637802-9-danishanwar@ti.com>
Date: Mon, 24 Jul 2023 16:59:32 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Randy Dunlap <rdunlap@...radead.org>,
Roger Quadros <rogerq@...nel.org>,
Simon Horman <simon.horman@...igine.com>,
Vignesh Raghavendra <vigneshr@...com>,
Andrew Lunn <andrew@...n.ch>,
Richard Cochran <richardcochran@...il.com>,
Conor Dooley <conor+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
"David S. Miller" <davem@...emloft.net>,
MD Danish Anwar <danishanwar@...com>
CC: <nm@...com>, <srk@...com>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-omap@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v11 08/10] net: ti: icssg-prueth: Add Standard network staticstics
Implement .ndo_get_stats64 to dump standard network interface
statistics for ICSSG ethernet driver.
Signed-off-by: MD Danish Anwar <danishanwar@...com>
---
drivers/net/ethernet/ti/icssg_prueth.c | 21 +++++++++++++++++++++
drivers/net/ethernet/ti/icssg_prueth.h | 2 ++
drivers/net/ethernet/ti/icssg_stats.c | 13 +++++++++++++
3 files changed, 36 insertions(+)
diff --git a/drivers/net/ethernet/ti/icssg_prueth.c b/drivers/net/ethernet/ti/icssg_prueth.c
index a60e0f98f425..45fa271dd014 100644
--- a/drivers/net/ethernet/ti/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg_prueth.c
@@ -1260,6 +1260,26 @@ static int emac_ndo_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
return phy_do_ioctl(ndev, ifr, cmd);
}
+static void emac_ndo_get_stats64(struct net_device *ndev,
+ struct rtnl_link_stats64 *stats)
+{
+ struct prueth_emac *emac = netdev_priv(ndev);
+
+ emac_update_hardware_stats(emac);
+
+ stats->rx_packets = emac_get_stat_by_name(emac, "rx_packets");
+ stats->rx_bytes = emac_get_stat_by_name(emac, "rx_bytes");
+ stats->tx_packets = emac_get_stat_by_name(emac, "tx_packets");
+ stats->tx_bytes = emac_get_stat_by_name(emac, "tx_bytes");
+ stats->rx_crc_errors = emac_get_stat_by_name(emac, "rx_crc_errors");
+ stats->rx_over_errors = emac_get_stat_by_name(emac, "rx_over_errors");
+
+ stats->rx_errors = ndev->stats.rx_errors;
+ stats->rx_dropped = ndev->stats.rx_dropped;
+ stats->tx_errors = ndev->stats.tx_errors;
+ stats->tx_dropped = ndev->stats.tx_dropped;
+}
+
static const struct net_device_ops emac_netdev_ops = {
.ndo_open = emac_ndo_open,
.ndo_stop = emac_ndo_stop,
@@ -1269,6 +1289,7 @@ static const struct net_device_ops emac_netdev_ops = {
.ndo_tx_timeout = emac_ndo_tx_timeout,
.ndo_set_rx_mode = emac_ndo_set_rx_mode,
.ndo_eth_ioctl = emac_ndo_ioctl,
+ .ndo_get_stats64 = emac_ndo_get_stats64,
};
/* get emac_port corresponding to eth_node name */
diff --git a/drivers/net/ethernet/ti/icssg_prueth.h b/drivers/net/ethernet/ti/icssg_prueth.h
index 355bbbbd6888..b3c7b4e0b2b7 100644
--- a/drivers/net/ethernet/ti/icssg_prueth.h
+++ b/drivers/net/ethernet/ti/icssg_prueth.h
@@ -47,6 +47,7 @@
/* Number of ICSSG related stats */
#define ICSSG_NUM_STATS 60
+#define ICSSG_NUM_STANDARD_STATS 6
/* Firmware status codes */
#define ICSS_HS_FW_READY 0x55555555
@@ -251,4 +252,5 @@ void icssg_config_set_speed(struct prueth_emac *emac);
void emac_stats_work_handler(struct work_struct *work);
void emac_update_hardware_stats(struct prueth_emac *emac);
+int emac_get_stat_by_name(struct prueth_emac *emac, char *stat_name);
#endif /* __NET_TI_ICSSG_PRUETH_H */
diff --git a/drivers/net/ethernet/ti/icssg_stats.c b/drivers/net/ethernet/ti/icssg_stats.c
index 25deb368a3f0..bb0b33927e3b 100644
--- a/drivers/net/ethernet/ti/icssg_stats.c
+++ b/drivers/net/ethernet/ti/icssg_stats.c
@@ -42,3 +42,16 @@ void emac_stats_work_handler(struct work_struct *work)
queue_delayed_work(system_long_wq, &emac->stats_work,
msecs_to_jiffies((STATS_TIME_LIMIT_1G_MS * 1000) / emac->speed));
}
+
+int emac_get_stat_by_name(struct prueth_emac *emac, char *stat_name)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(icssg_all_stats); i++) {
+ if (!strcmp(icssg_all_stats[i].name, stat_name))
+ return emac->stats[icssg_all_stats[i].offset / sizeof(u32)];
+ }
+
+ netdev_err(emac->ndev, "Invalid stats %s\n", stat_name);
+ return -EINVAL;
+}
--
2.34.1
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