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Message-Id: <20251015-jk-iwl-next-2025-10-15-v1-9-79c70b9ddab8@intel.com>
Date: Wed, 15 Oct 2025 12:32:05 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Jiri Pirko <jiri@...nulli.us>, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>,
Jonathan Corbet <corbet@....net>, Tony Nguyen <anthony.l.nguyen@...el.com>,
Przemek Kitszel <przemyslaw.kitszel@...el.com>,
Andrew Lunn <andrew+netdev@...n.ch>,
Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: netdev@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, Jacob Keller <jacob.e.keller@...el.com>,
Marcin Szycik <marcin.szycik@...ux.intel.com>,
Rinitha S <sx.rinitha@...el.com>,
Aleksandr Loktionov <aleksandr.loktionov@...el.com>,
jbrandeburg@...udflare.com
Subject: [PATCH net-next 09/14] ice: implement ethtool standard stats
From: Jesse Brandeburg <jesse.brandeburg@...el.com>
Add support for MAC/pause/RMON stats. This enables reporting hardware
statistics in a common way via:
ethtool -S eth0 --all-groups
and
ethtool --include-statistics --show-pause eth0
While doing so, add support for one new stat, receive length error
(RLEC), which is extremely unlikely to happen since most L2 frames have
a type/length field specifying a "type", and raw ethernet frames aren't
used much any longer.
NOTE: I didn't implement Ctrl aka control frame stats because the
hardware doesn't seem to implement support.
Reviewed-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
Reviewed-by: Jakub Kicinski <kuba@...nel.org>
Reviewed-by: Simon Horman <horms@...nel.org>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Tested-by: Rinitha S <sx.rinitha@...el.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
---
drivers/net/ethernet/intel/ice/ice_type.h | 1 +
drivers/net/ethernet/intel/ice/ice_ethtool.c | 78 ++++++++++++++++++++++++++++
drivers/net/ethernet/intel/ice/ice_main.c | 3 ++
3 files changed, 82 insertions(+)
diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h
index b0a1b67071c5..6a2ec8389a8f 100644
--- a/drivers/net/ethernet/intel/ice/ice_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_type.h
@@ -1063,6 +1063,7 @@ struct ice_hw_port_stats {
u64 error_bytes; /* errbc */
u64 mac_local_faults; /* mlfc */
u64 mac_remote_faults; /* mrfc */
+ u64 rx_len_errors; /* rlec */
u64 link_xon_rx; /* lxonrxc */
u64 link_xoff_rx; /* lxoffrxc */
u64 link_xon_tx; /* lxontxc */
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index dc131779d426..d1ec7e6f12bf 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -4661,6 +4661,81 @@ static void ice_get_fec_stats(struct net_device *netdev,
pi->lport, err);
}
+static void ice_get_eth_mac_stats(struct net_device *netdev,
+ struct ethtool_eth_mac_stats *mac_stats)
+{
+ struct ice_pf *pf = ice_netdev_to_pf(netdev);
+ struct ice_hw_port_stats *ps = &pf->stats;
+
+ mac_stats->FramesTransmittedOK = ps->eth.tx_unicast +
+ ps->eth.tx_multicast +
+ ps->eth.tx_broadcast;
+ mac_stats->FramesReceivedOK = ps->eth.rx_unicast +
+ ps->eth.rx_multicast +
+ ps->eth.rx_broadcast;
+ mac_stats->FrameCheckSequenceErrors = ps->crc_errors;
+ mac_stats->OctetsTransmittedOK = ps->eth.tx_bytes;
+ mac_stats->OctetsReceivedOK = ps->eth.rx_bytes;
+ mac_stats->MulticastFramesXmittedOK = ps->eth.tx_multicast;
+ mac_stats->BroadcastFramesXmittedOK = ps->eth.tx_broadcast;
+ mac_stats->MulticastFramesReceivedOK = ps->eth.rx_multicast;
+ mac_stats->BroadcastFramesReceivedOK = ps->eth.rx_broadcast;
+ mac_stats->InRangeLengthErrors = ps->rx_len_errors;
+ mac_stats->FrameTooLongErrors = ps->rx_oversize;
+}
+
+static void ice_get_pause_stats(struct net_device *netdev,
+ struct ethtool_pause_stats *pause_stats)
+{
+ struct ice_pf *pf = ice_netdev_to_pf(netdev);
+ struct ice_hw_port_stats *ps = &pf->stats;
+
+ pause_stats->tx_pause_frames = ps->link_xon_tx + ps->link_xoff_tx;
+ pause_stats->rx_pause_frames = ps->link_xon_rx + ps->link_xoff_rx;
+}
+
+static const struct ethtool_rmon_hist_range ice_rmon_ranges[] = {
+ { 0, 64 },
+ { 65, 127 },
+ { 128, 255 },
+ { 256, 511 },
+ { 512, 1023 },
+ { 1024, 1522 },
+ { 1523, 9522 },
+ {}
+};
+
+static void ice_get_rmon_stats(struct net_device *netdev,
+ struct ethtool_rmon_stats *rmon,
+ const struct ethtool_rmon_hist_range **ranges)
+{
+ struct ice_pf *pf = ice_netdev_to_pf(netdev);
+ struct ice_hw_port_stats *ps = &pf->stats;
+
+ rmon->undersize_pkts = ps->rx_undersize;
+ rmon->oversize_pkts = ps->rx_oversize;
+ rmon->fragments = ps->rx_fragments;
+ rmon->jabbers = ps->rx_jabber;
+
+ rmon->hist[0] = ps->rx_size_64;
+ rmon->hist[1] = ps->rx_size_127;
+ rmon->hist[2] = ps->rx_size_255;
+ rmon->hist[3] = ps->rx_size_511;
+ rmon->hist[4] = ps->rx_size_1023;
+ rmon->hist[5] = ps->rx_size_1522;
+ rmon->hist[6] = ps->rx_size_big;
+
+ rmon->hist_tx[0] = ps->tx_size_64;
+ rmon->hist_tx[1] = ps->tx_size_127;
+ rmon->hist_tx[2] = ps->tx_size_255;
+ rmon->hist_tx[3] = ps->tx_size_511;
+ rmon->hist_tx[4] = ps->tx_size_1023;
+ rmon->hist_tx[5] = ps->tx_size_1522;
+ rmon->hist_tx[6] = ps->tx_size_big;
+
+ *ranges = ice_rmon_ranges;
+}
+
#define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \
ETH_RESET_FILTER | ETH_RESET_OFFLOAD)
@@ -4744,6 +4819,9 @@ static const struct ethtool_ops ice_ethtool_ops = {
.get_link_ksettings = ice_get_link_ksettings,
.set_link_ksettings = ice_set_link_ksettings,
.get_fec_stats = ice_get_fec_stats,
+ .get_eth_mac_stats = ice_get_eth_mac_stats,
+ .get_pause_stats = ice_get_pause_stats,
+ .get_rmon_stats = ice_get_rmon_stats,
.get_drvinfo = ice_get_drvinfo,
.get_regs_len = ice_get_regs_len,
.get_regs = ice_get_regs,
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 86f5859e88ef..3d5615caf6d1 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -7138,6 +7138,9 @@ void ice_update_pf_stats(struct ice_pf *pf)
&prev_ps->mac_remote_faults,
&cur_ps->mac_remote_faults);
+ ice_stat_update32(hw, GLPRT_RLEC(port), pf->stat_prev_loaded,
+ &prev_ps->rx_len_errors, &cur_ps->rx_len_errors);
+
ice_stat_update32(hw, GLPRT_RUC(port), pf->stat_prev_loaded,
&prev_ps->rx_undersize, &cur_ps->rx_undersize);
--
2.51.0.rc1.197.g6d975e95c9d7
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