[PATCH v2 net-next 1/4] net: ethernet: am65-cpsw: Add standard Ethernet MAC stats to ethtool

From: Roger Quadros
Date: Fri Nov 17 2023 - 07:18:14 EST


Gets 'ethtool -S eth0 --groups eth-mac' command to work.

Signed-off-by: Roger Quadros <rogerq@xxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
---
drivers/net/ethernet/ti/am65-cpsw-ethtool.c | 26 +++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-ethtool.c b/drivers/net/ethernet/ti/am65-cpsw-ethtool.c
index c51e2af91f69..b9e1d568604b 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-ethtool.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-ethtool.c
@@ -662,6 +662,31 @@ static void am65_cpsw_get_ethtool_stats(struct net_device *ndev,
hw_stats[i].offset);
}

+static void am65_cpsw_get_eth_mac_stats(struct net_device *ndev,
+ struct ethtool_eth_mac_stats *s)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ struct am65_cpsw_stats_regs __iomem *stats;
+
+ stats = port->stat_base;
+
+ s->FramesTransmittedOK = readl_relaxed(&stats->tx_good_frames);
+ s->SingleCollisionFrames = readl_relaxed(&stats->tx_single_coll_frames);
+ s->MultipleCollisionFrames = readl_relaxed(&stats->tx_mult_coll_frames);
+ s->FramesReceivedOK = readl_relaxed(&stats->rx_good_frames);
+ s->FrameCheckSequenceErrors = readl_relaxed(&stats->rx_crc_errors);
+ s->AlignmentErrors = readl_relaxed(&stats->rx_align_code_errors);
+ s->OctetsTransmittedOK = readl_relaxed(&stats->tx_octets);
+ s->FramesWithDeferredXmissions = readl_relaxed(&stats->tx_deferred_frames);
+ s->LateCollisions = readl_relaxed(&stats->tx_late_collisions);
+ s->CarrierSenseErrors = readl_relaxed(&stats->tx_carrier_sense_errors);
+ s->OctetsReceivedOK = readl_relaxed(&stats->rx_octets);
+ s->MulticastFramesXmittedOK = readl_relaxed(&stats->tx_multicast_frames);
+ s->BroadcastFramesXmittedOK = readl_relaxed(&stats->tx_broadcast_frames);
+ s->MulticastFramesReceivedOK = readl_relaxed(&stats->rx_multicast_frames);
+ s->BroadcastFramesReceivedOK = readl_relaxed(&stats->rx_broadcast_frames);
+};
+
static int am65_cpsw_get_ethtool_ts_info(struct net_device *ndev,
struct ethtool_ts_info *info)
{
@@ -729,6 +754,7 @@ const struct ethtool_ops am65_cpsw_ethtool_ops_slave = {
.get_sset_count = am65_cpsw_get_sset_count,
.get_strings = am65_cpsw_get_strings,
.get_ethtool_stats = am65_cpsw_get_ethtool_stats,
+ .get_eth_mac_stats = am65_cpsw_get_eth_mac_stats,
.get_ts_info = am65_cpsw_get_ethtool_ts_info,
.get_priv_flags = am65_cpsw_get_ethtool_priv_flags,
.set_priv_flags = am65_cpsw_set_ethtool_priv_flags,
--
2.34.1