netdev - RE: [Intel-wired-lan] [PATCH iwl-next v3] idpf: add HW timestamping statistics

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Message-ID: <SJ1PR11MB62973D0C2F5BAD330699DAE19B15A@SJ1PR11MB6297.namprd11.prod.outlook.com>
Date: Mon, 15 Sep 2025 15:38:30 +0000
From: "Salin, Samuel" <samuel.salin@...el.com>
To: "Keller, Jacob E" <jacob.e.keller@...el.com>, "Nadezhdin, Anton"
	<anton.nadezhdin@...el.com>, "intel-wired-lan@...ts.osuosl.org"
	<intel-wired-lan@...ts.osuosl.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "richardcochran@...il.com"
	<richardcochran@...il.com>, "Olech, Milena" <milena.olech@...el.com>,
	"Loktionov, Aleksandr" <aleksandr.loktionov@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next v3] idpf: add HW timestamping
 statistics

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Jacob Keller
> Sent: Friday, August 29, 2025 2:02 PM
> To: Nadezhdin, Anton <anton.nadezhdin@...el.com>; intel-wired-
> lan@...ts.osuosl.org
> Cc: netdev@...r.kernel.org; Nguyen, Anthony L
> <anthony.l.nguyen@...el.com>; richardcochran@...il.com; Olech, Milena
> <milena.olech@...el.com>; Loktionov, Aleksandr
> <aleksandr.loktionov@...el.com>
> Subject: Re: [Intel-wired-lan] [PATCH iwl-next v3] idpf: add HW timestamping
> statistics
> 
> 
> 
> On 8/29/2025 10:57 AM, Anton Nadezhdin wrote:
> > From: Milena Olech <milena.olech@...el.com>
> >
> > Add HW timestamping statistics support - through implementing
> get_ts_stats.
> > Timestamp statistics include correctly timestamped packets, discarded,
> > skipped and flushed during PTP release.
> >
> > Most of the stats are collected per vport, only requests skipped due
> > to lack of free latch index are collected per Tx queue.
> >
> > Statistics can be obtained using kernel ethtool since version 6.10
> > with:
> > ethtool -I -T <interface>
> >
> > The output will include:
> > Statistics:
> >   tx_pkts: 15
> >   tx_lost: 0
> >   tx_err: 0
> >
> > Signed-off-by: Milena Olech <milena.olech@...el.com>
> > Co-developed-by: Anton Nadezhdin <anton.nadezhdin@...el.com>
> > Signed-off-by: Anton Nadezhdin <anton.nadezhdin@...el.com>
> > Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
> > ---
> 
> Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>

Tested-by: Samuel Salin <Samuel.salin@...el.com>