diff mbox series

[iwl-next,v1,4/5] ice: implement transmit hardware timestamp statistics

Message ID 20240604221327.299184-5-jesse.brandeburg@intel.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series ice: add standard stats | expand

Checks

Context Check Description
netdev/series_format warning Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 901 this patch: 901
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 5 maintainers not CCed: richardcochran@gmail.com pabeni@redhat.com kuba@kernel.org edumazet@google.com anthony.l.nguyen@intel.com
netdev/build_clang success Errors and warnings before: 905 this patch: 905
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 905 this patch: 905
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 30 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 55 this patch: 55
netdev/source_inline success Was 0 now: 0

Commit Message

Jesse Brandeburg June 4, 2024, 10:13 p.m. UTC
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@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
---

$ 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(+)

Comments

Hariprasad Kelam June 6, 2024, 9:42 a.m. UTC | #1
> 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@intel.com>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
> ---
> 
> $ 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
> 
Reviewed-by: Hariprasad Kelam <hkelam@marvell.com>
diff mbox series

Patch

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 = {