netdev - [PATCH v3 4/5] ice: implement transmit hardware timestamp statistics

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250911-resend-jbrandeb-ice-standard-stats-v3-4-1bcffd157aa5@intel.com>
Date: Thu, 11 Sep 2025 16:40:40 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Jesse Brandeburg <jbrandeburg@...udflare.com>, 
 Jakub Kicinski <kuba@...nel.org>, Hariprasad Kelam <hkelam@...vell.com>, 
 Simon Horman <horms@...nel.org>, 
 Marcin Szycik <marcin.szycik@...ux.intel.com>, 
 Rahul Rameshbabu <rrameshbabu@...dia.com>, netdev@...r.kernel.org, 
 intel-wired-lan@...ts.osuosl.org, linux-doc@...r.kernel.org, corbet@....net, 
 Jacob Keller <jacob.e.keller@...el.com>
Cc: Jesse Brandeburg <jesse.brandeburg@...el.com>
Subject: [PATCH v3 4/5] ice: implement transmit hardware timestamp
 statistics

From: Jesse Brandeburg <jesse.brandeburg@...el.com>

The kernel now has common statistics for transmit timestamps, so
implement them in the ice driver.

use via
ethtool -I -T eth0

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
Reviewed-by: Jakub Kicinski <kuba@...nel.org>
Reviewed-by: Hariprasad Kelam <hkelam@...vell.com>
Reviewed-by: Simon Horman <horms@...nel.org>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_ethtool.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 3d99c4a1e287..f8bb2d55b28c 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -4730,6 +4730,23 @@ static void ice_get_rmon_stats(struct net_device *netdev,
 	*ranges = ice_rmon_ranges;
 }
 
+/* ice_get_ts_stats - provide timestamping stats
+ * @netdev: the netdevice pointer from ethtool
+ * @ts_stats: the ethtool data structure to fill in
+ */
+static void ice_get_ts_stats(struct net_device *netdev,
+			     struct ethtool_ts_stats *ts_stats)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	struct ice_ptp *ptp = &pf->ptp;
+
+	ts_stats->pkts = ptp->tx_hwtstamp_good;
+	ts_stats->err = ptp->tx_hwtstamp_skipped +
+			ptp->tx_hwtstamp_flushed +
+			ptp->tx_hwtstamp_discarded;
+	ts_stats->lost = ptp->tx_hwtstamp_timeouts;
+}
+
 #define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \
 	ETH_RESET_FILTER | ETH_RESET_OFFLOAD)
 
@@ -4816,6 +4833,7 @@ static const struct ethtool_ops ice_ethtool_ops = {
 	.get_eth_mac_stats	= ice_get_eth_mac_stats,
 	.get_pause_stats	= ice_get_pause_stats,
 	.get_rmon_stats		= ice_get_rmon_stats,
+	.get_ts_stats		= ice_get_ts_stats,
 	.get_drvinfo		= ice_get_drvinfo,
 	.get_regs_len		= ice_get_regs_len,
 	.get_regs		= ice_get_regs,

-- 
2.51.0.rc1.197.g6d975e95c9d7