On Mon, Sep 17, 2018 at 03:43:01PM +0000, FUSTE Emmanuel wrote:
> diff --git a/phc.h b/phc.h
> index 154e35e..2fe33c4 100644
> --- a/phc.h
> +++ b/phc.h
The diff does not apply (using git am) to the current master. Can you
please clean it up and re-submit?
Thanks,
Richard
> @@ -21,6 +21,19 @@
>
> #include "missing.h"
>
> +/* from linux kernel v4.15 */
> +struct compat_caps {
> + int max_adj; /* Maximum frequency adjustment in parts per billon.
> */
> + int n_alarm; /* Number of programmable alarms. */
> + int n_ext_ts; /* Number of external time stamp channels. */
> + int n_per_out; /* Number of programmable periodic signals. */
> + int pps; /* Whether the clock supports a PPS callback. */
> + int n_pins; /* Number of input/output pins. */
> + /* Whether the clock supports precise system-device cross timestamps
> */
> + int cross_timestamping;
> + int rsv[13]; /* Reserved for future use. */
> +};
> +
> /**
> * Opens a PTP hardware clock device.
> *
> diff --git a/phc_ctl.c b/phc_ctl.c
> index 4a78a19..d33ff1f 100644
> --- a/phc_ctl.c
> +++ b/phc_ctl.c
> @@ -334,14 +334,17 @@ static int do_freq(clockid_t clkid, int cmdc, char
> *cmdv[])
>
> static int do_caps(clockid_t clkid, int cmdc, char *cmdv[])
> {
> - struct ptp_clock_caps caps;
> + union {
> + struct ptp_clock_caps caps;
> + struct compat_caps compat;
> + } u;
>
> if (clkid == CLOCK_REALTIME) {
> pr_warning("CLOCK_REALTIME is not a PHC device.");
> return 0;
> }
>
> - if (ioctl(CLOCKID_TO_FD(clkid), PTP_CLOCK_GETCAPS, &caps)) {
> + if (ioctl(CLOCKID_TO_FD(clkid), PTP_CLOCK_GETCAPS, &u)) {
> pr_err("get capabilities failed: %s",
> strerror(errno));
> return -1;
> @@ -353,12 +356,14 @@ static int do_caps(clockid_t clkid, int cmdc, char
> *cmdv[])
> " %d programable alarms\n"
> " %d external time stamp channels\n"
> " %d programmable periodic signals\n"
> - " %s pulse per second support",
> - caps.max_adj,
> - caps.n_alarm,
> - caps.n_ext_ts,
> - caps.n_per_out,
> - caps.pps ? "has" : "doesn't have");
> + " %s pulse per second support\n"
> + " %s precise system-device cross timestamps support",
> + u.caps.max_adj,
> + u.caps.n_alarm,
> + u.caps.n_ext_ts,
> + u.caps.n_per_out,
> + u.caps.pps ? "has" : "doesn't have",
> + u.compat.cross_timestamping ? "has" : "doesn't have");
> return 0;
> }
>
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