From 487a36821ea214a73e1d0dcbd6d84123b50d1135 Mon Sep 17 00:00:00 2001

From: Miroslav Lichvar <mlichvar@redhat.com>

Date: Wed, 27 Aug 2014 16:47:19 +0200

Subject: [PATCH] timesyncd: get kernel timestamp in nanoseconds

---

 src/timesync/timesyncd-manager.c | 14 +++++---------

 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/timesync/timesyncd-manager.c b/src/timesync/timesyncd-manager.c

index 333960669c..2b0580cf01 100644

--- a/src/timesync/timesyncd-manager.c

+++ b/src/timesync/timesyncd-manager.c

@@ -136,10 +136,6 @@ static double ts_to_d(const struct timespec *ts) {

         return ts->tv_sec + (1.0e-9 * ts->tv_nsec);

 }

-static double tv_to_d(const struct timeval *tv) {

-        return tv->tv_sec + (1.0e-6 * tv->tv_usec);

-}

-

 static double square(double d) {

         return d * d;

 }

@@ -500,7 +496,7 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re

                 .msg_namelen = sizeof(server_addr),

         };

         struct cmsghdr *cmsg;

-        struct timeval *recv_time;

+        struct timespec *recv_time;

         ssize_t len;

         double origin, receive, trans, dest;

         double delay, offset;

@@ -543,8 +539,8 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re

                         continue;

                 switch (cmsg->cmsg_type) {

-                case SCM_TIMESTAMP:

-                        recv_time = (struct timeval *) CMSG_DATA(cmsg);

+                case SCM_TIMESTAMPNS:

+                        recv_time = (struct timespec *) CMSG_DATA(cmsg);

                         break;

                 }

         }

@@ -615,7 +611,7 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re

         origin = ts_to_d(&m->trans_time) + OFFSET_1900_1970;

         receive = ntp_ts_to_d(&ntpmsg.recv_time);

         trans = ntp_ts_to_d(&ntpmsg.trans_time);

-        dest = tv_to_d(recv_time) + OFFSET_1900_1970;

+        dest = ts_to_d(recv_time) + OFFSET_1900_1970;

         offset = ((receive - origin) + (trans - dest)) / 2;

         delay = (dest - origin) - (trans - receive);

@@ -697,7 +693,7 @@ static int manager_listen_setup(Manager *m) {

         if (r < 0)

                 return -errno;

-        r = setsockopt(m->server_socket, SOL_SOCKET, SO_TIMESTAMP, &on, sizeof(on));

+        r = setsockopt(m->server_socket, SOL_SOCKET, SO_TIMESTAMPNS, &on, sizeof(on));

         if (r < 0)

                 return -errno;