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Message-ID: <e679110fb29bbf3d8bc7f27a60c48a25e1fa6600.1686955631.git.alex.maftei@amd.com>
Date: Fri, 16 Jun 2023 23:48:45 +0100
From: Alex Maftei <alex.maftei@....com>
To: <richardcochran@...il.com>, <shuah@...nel.org>
CC: Alex Maftei <alex.maftei@....com>,
<linux-kselftest@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<netdev@...r.kernel.org>
Subject: [PATCH net 2/2] selftests/ptp: Add -X option for testing PTP_SYS_OFFSET_PRECISE
The -X option was chosen because X looks like a cross, and the underlying
callback is 'get cross timestamp'.
Signed-off-by: Alex Maftei <alex.maftei@....com>
---
tools/testing/selftests/ptp/testptp.c | 29 +++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c
index 2a99973ffc1b..6ab5836b53ff 100644
--- a/tools/testing/selftests/ptp/testptp.c
+++ b/tools/testing/selftests/ptp/testptp.c
@@ -143,6 +143,7 @@ static void usage(char *progname)
" -t val shift the ptp clock time by 'val' seconds\n"
" -T val set the ptp clock time to 'val' seconds\n"
" -x val get an extended ptp clock time with the desired number of samples (up to %d)\n"
+ " -X get a ptp clock cross timestamp\n"
" -z test combinations of rising/falling external time stamp flags\n",
progname, PTP_MAX_SAMPLES);
}
@@ -159,6 +160,7 @@ int main(int argc, char *argv[])
struct ptp_clock_time *pct;
struct ptp_sys_offset *sysoff;
struct ptp_sys_offset_extended *soe;
+ struct ptp_sys_offset_precise *xts;
char *progname;
unsigned int i;
@@ -177,6 +179,7 @@ int main(int argc, char *argv[])
int list_pins = 0;
int pct_offset = 0;
int getextended = 0;
+ int getcross = 0;
int n_samples = 0;
int pin_index = -1, pin_func;
int pps = -1;
@@ -260,6 +263,9 @@ int main(int argc, char *argv[])
return -1;
}
break;
+ case 'X':
+ getcross = 1;
+ break;
case 'z':
flagtest = 1;
break;
@@ -554,6 +560,29 @@ int main(int argc, char *argv[])
free(soe);
}
+ if (getcross) {
+ xts = calloc(1, sizeof(*xts));
+ if (!xts) {
+ perror("calloc");
+ return -1;
+ }
+
+ if (ioctl(fd, PTP_SYS_OFFSET_PRECISE, xts))
+ perror("PTP_SYS_OFFSET_PRECISE");
+ else {
+ puts("system and phc crosstimestamping request okay");
+
+ printf("device time: %lld.%09u\n",
+ xts->device.sec, xts->device.nsec);
+ printf("system time: %lld.%09u\n",
+ xts->sys_realtime.sec, xts->sys_realtime.nsec);
+ printf("monoraw time: %lld.%09u\n",
+ xts->sys_monoraw.sec, xts->sys_monoraw.nsec);
+ }
+
+ free(xts);
+ }
+
close(fd);
return 0;
}
--
2.28.0
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