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Date: Wed, 30 Nov 2022 18:59:00 +0530
From: Rakesh Sankaranarayanan <rakesh.sankaranarayanan@...rochip.com>
To: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC: <woojung.huh@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
<andrew@...n.ch>, <f.fainelli@...il.com>, <olteanv@...il.com>,
<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
<pabeni@...hat.com>
Subject: [RFC Patch net-next 3/5] net: dsa: microchip: add eth mac grouping for ethtool statistics
Add support for ethtool standard device statistics grouping.
Support ethernet mac statistics grouping using eth-mac groups
parameter in ethtool command.
Signed-off-by: Rakesh Sankaranarayanan <rakesh.sankaranarayanan@...rochip.com>
---
drivers/net/dsa/microchip/ksz_common.c | 13 ++++
drivers/net/dsa/microchip/ksz_common.h | 2 +
drivers/net/dsa/microchip/ksz_ethtool.c | 88 +++++++++++++++++++++++++
drivers/net/dsa/microchip/ksz_ethtool.h | 4 ++
4 files changed, 107 insertions(+)
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 9b13a38d553d..ceb3c4f120bd 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -160,6 +160,7 @@ static const struct ksz_dev_ops ksz8_dev_ops = {
.port_init_cnt = ksz8_port_init_cnt,
.get_rmon_stats = ksz8_get_rmon_stats,
.get_eth_ctrl_stats = ksz8_get_eth_ctrl_stats,
+ .get_eth_mac_stats = ksz8_get_eth_mac_stats,
.fdb_dump = ksz8_fdb_dump,
.mdb_add = ksz8_mdb_add,
.mdb_del = ksz8_mdb_del,
@@ -199,6 +200,7 @@ static const struct ksz_dev_ops ksz9477_dev_ops = {
.port_init_cnt = ksz9477_port_init_cnt,
.get_rmon_stats = ksz9477_get_rmon_stats,
.get_eth_ctrl_stats = ksz9477_get_eth_ctrl_stats,
+ .get_eth_mac_stats = ksz9477_get_eth_mac_stats,
.vlan_filtering = ksz9477_port_vlan_filtering,
.vlan_add = ksz9477_port_vlan_add,
.vlan_del = ksz9477_port_vlan_del,
@@ -237,6 +239,7 @@ static const struct ksz_dev_ops lan937x_dev_ops = {
.port_init_cnt = ksz9477_port_init_cnt,
.get_rmon_stats = ksz9477_get_rmon_stats,
.get_eth_ctrl_stats = ksz9477_get_eth_ctrl_stats,
+ .get_eth_mac_stats = ksz9477_get_eth_mac_stats,
.vlan_filtering = ksz9477_port_vlan_filtering,
.vlan_add = ksz9477_port_vlan_add,
.vlan_del = ksz9477_port_vlan_del,
@@ -1635,6 +1638,15 @@ static void ksz_get_eth_ctrl_stats(struct dsa_switch *ds, int port,
dev->dev_ops->get_eth_ctrl_stats(dev, port, ctrl_stats);
}
+static void ksz_get_eth_mac_stats(struct dsa_switch *ds, int port,
+ struct ethtool_eth_mac_stats *mac_stats)
+{
+ struct ksz_device *dev = ds->priv;
+
+ if (dev->dev_ops->get_eth_mac_stats)
+ dev->dev_ops->get_eth_mac_stats(dev, port, mac_stats);
+}
+
static void ksz_get_strings(struct dsa_switch *ds, int port,
u32 stringset, uint8_t *buf)
{
@@ -2887,6 +2899,7 @@ static const struct dsa_switch_ops ksz_switch_ops = {
.get_pause_stats = ksz_get_pause_stats,
.get_rmon_stats = ksz_get_rmon_stats,
.get_eth_ctrl_stats = ksz_get_eth_ctrl_stats,
+ .get_eth_mac_stats = ksz_get_eth_mac_stats,
.port_change_mtu = ksz_change_mtu,
.port_max_mtu = ksz_max_mtu,
};
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 07627ff1a749..5b77f98483a9 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -344,6 +344,8 @@ struct ksz_dev_ops {
const struct ethtool_rmon_hist_range **ranges);
void (*get_eth_ctrl_stats)(struct ksz_device *dev, int port,
struct ethtool_eth_ctrl_stats *ctrl_stats);
+ void (*get_eth_mac_stats)(struct ksz_device *dev, int port,
+ struct ethtool_eth_mac_stats *mac_stats);
};
struct ksz_device *ksz_switch_alloc(struct device *base, void *priv);
diff --git a/drivers/net/dsa/microchip/ksz_ethtool.c b/drivers/net/dsa/microchip/ksz_ethtool.c
index 4c9ca21e1806..96529fea8e84 100644
--- a/drivers/net/dsa/microchip/ksz_ethtool.c
+++ b/drivers/net/dsa/microchip/ksz_ethtool.c
@@ -159,6 +159,50 @@ void ksz8_get_eth_ctrl_stats(struct ksz_device *dev, int port,
mutex_unlock(&mib->cnt_mutex);
}
+void ksz8_get_eth_mac_stats(struct ksz_device *dev, int port,
+ struct ethtool_eth_mac_stats *mac_stats)
+{
+ struct ksz_port_mib *mib;
+ u64 *ctr;
+
+ mib = &dev->ports[port].mib;
+
+ mutex_lock(&mib->cnt_mutex);
+ ctr = mib->counters;
+
+ while (mib->cnt_ptr < dev->info->mib_cnt) {
+ dev->dev_ops->r_mib_pkt(dev, port, mib->cnt_ptr,
+ NULL, &mib->counters[mib->cnt_ptr]);
+ ++mib->cnt_ptr;
+ }
+
+ mac_stats->FramesTransmittedOK = ctr[ksz8_tx_mcast] +
+ ctr[ksz8_tx_bcast] +
+ ctr[ksz8_tx_ucast] +
+ ctr[ksz8_tx_pause];
+ mac_stats->SingleCollisionFrames = ctr[ksz8_tx_single_col];
+ mac_stats->MultipleCollisionFrames = ctr[ksz8_tx_mult_col];
+ mac_stats->FramesReceivedOK = ctr[ksz8_rx_mcast] +
+ ctr[ksz8_rx_bcast] +
+ ctr[ksz8_rx_ucast] +
+ ctr[ksz8_rx_pause];
+ mac_stats->FrameCheckSequenceErrors = ctr[ksz8_rx_crc_err];
+ mac_stats->AlignmentErrors = ctr[ksz8_rx_align_err];
+ mac_stats->OctetsTransmittedOK = ctr[ksz8_tx_total_col];
+ mac_stats->FramesWithDeferredXmissions = ctr[ksz8_tx_deferred];
+ mac_stats->LateCollisions = ctr[ksz8_tx_late_col];
+ mac_stats->FramesAbortedDueToXSColls = ctr[ksz8_tx_exc_col];
+ mac_stats->MulticastFramesXmittedOK = ctr[ksz8_tx_mcast];
+ mac_stats->BroadcastFramesXmittedOK = ctr[ksz8_tx_bcast];
+ mac_stats->MulticastFramesReceivedOK = ctr[ksz8_rx_mcast];
+ mac_stats->BroadcastFramesReceivedOK = ctr[ksz8_rx_bcast];
+ mac_stats->InRangeLengthErrors = ctr[ksz8_rx_oversize];
+
+ mib->cnt_ptr = 0;
+
+ mutex_unlock(&mib->cnt_mutex);
+}
+
void ksz9477_get_rmon_stats(struct ksz_device *dev, int port,
struct ethtool_rmon_stats *rmon_stats,
const struct ethtool_rmon_hist_range **ranges)
@@ -218,3 +262,47 @@ void ksz9477_get_eth_ctrl_stats(struct ksz_device *dev, int port,
mutex_unlock(&mib->cnt_mutex);
}
+
+void ksz9477_get_eth_mac_stats(struct ksz_device *dev, int port,
+ struct ethtool_eth_mac_stats *mac_stats)
+{
+ struct ksz_port_mib *mib;
+ u64 *ctr;
+
+ mib = &dev->ports[port].mib;
+ ctr = mib->counters;
+
+ mutex_lock(&mib->cnt_mutex);
+
+ while (mib->cnt_ptr < dev->info->mib_cnt) {
+ dev->dev_ops->r_mib_pkt(dev, port, mib->cnt_ptr,
+ NULL, &mib->counters[mib->cnt_ptr]);
+ ++mib->cnt_ptr;
+ }
+
+ mac_stats->FramesTransmittedOK = ctr[ksz9477_tx_mcast] +
+ ctr[ksz9477_tx_bcast] +
+ ctr[ksz9477_tx_ucast] +
+ ctr[ksz9477_tx_pause];
+ mac_stats->SingleCollisionFrames = ctr[ksz9477_tx_single_col];
+ mac_stats->MultipleCollisionFrames = ctr[ksz9477_tx_mult_col];
+ mac_stats->FramesReceivedOK = ctr[ksz9477_rx_mcast] +
+ ctr[ksz9477_rx_bcast] +
+ ctr[ksz9477_rx_ucast] +
+ ctr[ksz9477_rx_pause];
+ mac_stats->FrameCheckSequenceErrors = ctr[ksz9477_rx_crc_err];
+ mac_stats->AlignmentErrors = ctr[ksz9477_rx_align_err];
+ mac_stats->OctetsTransmittedOK = ctr[ksz9477_tx_total_col];
+ mac_stats->FramesWithDeferredXmissions = ctr[ksz9477_tx_deferred];
+ mac_stats->LateCollisions = ctr[ksz9477_tx_late_col];
+ mac_stats->FramesAbortedDueToXSColls = ctr[ksz9477_tx_exc_col];
+ mac_stats->MulticastFramesXmittedOK = ctr[ksz9477_tx_mcast];
+ mac_stats->BroadcastFramesXmittedOK = ctr[ksz9477_tx_bcast];
+ mac_stats->MulticastFramesReceivedOK = ctr[ksz9477_rx_mcast];
+ mac_stats->BroadcastFramesReceivedOK = ctr[ksz9477_rx_bcast];
+ mac_stats->InRangeLengthErrors = ctr[ksz9477_rx_oversize];
+
+ mib->cnt_ptr = 0;
+
+ mutex_unlock(&mib->cnt_mutex);
+}
diff --git a/drivers/net/dsa/microchip/ksz_ethtool.h b/drivers/net/dsa/microchip/ksz_ethtool.h
index 18dc155d60b9..2dcfe8922b4e 100644
--- a/drivers/net/dsa/microchip/ksz_ethtool.h
+++ b/drivers/net/dsa/microchip/ksz_ethtool.h
@@ -13,10 +13,14 @@ void ksz8_get_rmon_stats(struct ksz_device *dev, int port,
const struct ethtool_rmon_hist_range **ranges);
void ksz8_get_eth_ctrl_stats(struct ksz_device *dev, int port,
struct ethtool_eth_ctrl_stats *ctrl_stats);
+void ksz8_get_eth_mac_stats(struct ksz_device *dev, int port,
+ struct ethtool_eth_mac_stats *mac_stats);
void ksz9477_get_rmon_stats(struct ksz_device *dev, int port,
struct ethtool_rmon_stats *rmon_stats,
const struct ethtool_rmon_hist_range **ranges);
void ksz9477_get_eth_ctrl_stats(struct ksz_device *dev, int port,
struct ethtool_eth_ctrl_stats *ctrl_stats);
+void ksz9477_get_eth_mac_stats(struct ksz_device *dev, int port,
+ struct ethtool_eth_mac_stats *mac_stats);
#endif
--
2.34.1
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