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@amd.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; }