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@xxxxxxxxx>
Reviewed-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Reviewed-by: Hariprasad Kelam <hkelam@xxxxxxxxxxx>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
---
$ sudo ethtool -I -T eth0
Time stamping parameters for eth0:
Capabilities:
hardware-transmit
software-transmit
hardware-receive
software-receive
software-system-clock
hardware-raw-clock
PTP Hardware Clock: 0
Hardware Transmit Timestamp Modes:
off
on
Hardware Receive Filter Modes:
none
all
Statistics:
tx_pkts: 17
tx_lost: 0
tx_err: 0
---
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 6f0a857f55c9..97a7a0632a1d 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -4357,6 +4357,23 @@ 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;
+}
+
static const struct ethtool_ops ice_ethtool_ops = {
.cap_rss_ctx_supported = true,
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
@@ -4407,6 +4424,7 @@ 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,
};
static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
--
2.43.0
