From 6325880094f86867dd7a6f41e5df4fd43c02789d Mon Sep 17 00:00:00 2001
From: Vladimir Oltean <olteanv@gmail.com>
Date: Tue, 18 Aug 2020 02:19:27 +0300
Subject: [PATCH] tmv: introduce a conversion helper from ptp_clock_time

This is useful when dealing with timestamps returned by various
ancillary PHC ioctl kernel APIs, such as extts.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
---
 tmv.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tmv.h b/tmv.h
index f4a1a22..9039534 100644
--- a/tmv.h
+++ b/tmv.h
@@ -20,6 +20,7 @@
 #ifndef HAVE_TMV_H
 #define HAVE_TMV_H
 
+#include <linux/ptp_clock.h>
 #include <time.h>
 
 #include "ddt.h"
@@ -160,4 +161,11 @@ static inline tmv_t timestamp_to_tmv(struct timestamp ts)
 	return t;
 }
 
+static inline tmv_t pct_to_tmv(struct ptp_clock_time pct)
+{
+	tmv_t t;
+	t.ns = pct.sec * NS_PER_SEC + pct.nsec;
+	return t;
+}
+
 #endif