linux-kernel - Re: [PATCH 3/4] ptp: add ioctl interface for ptp

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Message-ID: <ZRiRdL+JEKZfiOZo@hoboy.vegasvil.org>
Date:   Sat, 30 Sep 2023 14:21:56 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Mahesh Bandewar <maheshb@...gle.com>
Cc:     Netdev <netdev@...r.kernel.org>,
        Linux <linux-kernel@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Don Hatchett <hatch@...gle.com>,
        Yuliang Li <yuliangli@...gle.com>,
        Mahesh Bandewar <mahesh@...dewar.net>,
        Rahul Rameshbabu <rrameshbabu@...dia.com>
Subject: Re: [PATCH 3/4] ptp: add ioctl interface for ptp_gettimex64any()

On Thu, Sep 28, 2023 at 07:37:43PM -0700, Mahesh Bandewar wrote:

> diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
> index 1f1e98966cff..73bd17055a37 100644
> --- a/include/uapi/linux/ptp_clock.h
> +++ b/include/uapi/linux/ptp_clock.h
> @@ -166,6 +166,18 @@ struct ptp_sys_offset_extended {
>  	struct ptp_clock_time ts[PTP_MAX_SAMPLES][3];
>  };
>  
> +struct ptp_sys_offset_any {
> +	unsigned int n_samples;		/* Desired number of measurements. */
> +	enum ptp_ts_types ts_type;	/* One of the TS types */

clockid_t other_clock;

Hm?

> +	unsigned int rsv[2];		/* Reserved for future use. */
> +	/*
> +	 * Array of [TS, phc, TS] time stamps. The kernel will provide
> +	 * 3*n_samples time stamps.
> +	 * TS is any of the ts_type requested.
> +	 */
> +	struct ptp_clock_time ts[PTP_MAX_SAMPLES][3];
> +};

Thanks,
Richard