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-rw-r--r--tools/testing/selftests/ptp/testptp.c41
1 files changed, 37 insertions, 4 deletions
diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c
index edc1e50768c2..f7911aaeb007 100644
--- a/tools/testing/selftests/ptp/testptp.c
+++ b/tools/testing/selftests/ptp/testptp.c
@@ -134,6 +134,8 @@ static void usage(char *progname)
" 1 - external time stamp\n"
" 2 - periodic output\n"
" -p val enable output with a period of 'val' nanoseconds\n"
+ " -H val set output phase to 'val' nanoseconds (requires -p)\n"
+ " -w val set output pulse width to 'val' nanoseconds (requires -p)\n"
" -P val enable or disable (val=1|0) the system clock PPS\n"
" -s set the ptp clock time from the system time\n"
" -S set the system time from the ptp clock time\n"
@@ -178,11 +180,13 @@ int main(int argc, char *argv[])
int64_t t1, t2, tp;
int64_t interval, offset;
+ int64_t perout_phase = -1;
+ int64_t pulsewidth = -1;
int64_t perout = -1;
progname = strrchr(argv[0], '/');
progname = progname ? 1+progname : argv[0];
- while (EOF != (c = getopt(argc, argv, "cd:e:f:ghi:k:lL:p:P:sSt:T:z"))) {
+ while (EOF != (c = getopt(argc, argv, "cd:e:f:ghH:i:k:lL:p:P:sSt:T:w:z"))) {
switch (c) {
case 'c':
capabilities = 1;
@@ -199,6 +203,9 @@ int main(int argc, char *argv[])
case 'g':
gettime = 1;
break;
+ case 'H':
+ perout_phase = atoll(optarg);
+ break;
case 'i':
index = atoi(optarg);
break;
@@ -235,6 +242,9 @@ int main(int argc, char *argv[])
settime = 3;
seconds = atoi(optarg);
break;
+ case 'w':
+ pulsewidth = atoi(optarg);
+ break;
case 'z':
flagtest = 1;
break;
@@ -393,6 +403,16 @@ int main(int argc, char *argv[])
}
}
+ if (pulsewidth >= 0 && perout < 0) {
+ puts("-w can only be specified together with -p");
+ return -1;
+ }
+
+ if (perout_phase >= 0 && perout < 0) {
+ puts("-H can only be specified together with -p");
+ return -1;
+ }
+
if (perout >= 0) {
if (clock_gettime(clkid, &ts)) {
perror("clock_gettime");
@@ -400,11 +420,24 @@ int main(int argc, char *argv[])
}
memset(&perout_request, 0, sizeof(perout_request));
perout_request.index = index;
- perout_request.start.sec = ts.tv_sec + 2;
- perout_request.start.nsec = 0;
perout_request.period.sec = perout / NSEC_PER_SEC;
perout_request.period.nsec = perout % NSEC_PER_SEC;
- if (ioctl(fd, PTP_PEROUT_REQUEST, &perout_request)) {
+ perout_request.flags = 0;
+ if (pulsewidth >= 0) {
+ perout_request.flags |= PTP_PEROUT_DUTY_CYCLE;
+ perout_request.on.sec = pulsewidth / NSEC_PER_SEC;
+ perout_request.on.nsec = pulsewidth % NSEC_PER_SEC;
+ }
+ if (perout_phase >= 0) {
+ perout_request.flags |= PTP_PEROUT_PHASE;
+ perout_request.phase.sec = perout_phase / NSEC_PER_SEC;
+ perout_request.phase.nsec = perout_phase % NSEC_PER_SEC;
+ } else {
+ perout_request.start.sec = ts.tv_sec + 2;
+ perout_request.start.nsec = 0;
+ }
+
+ if (ioctl(fd, PTP_PEROUT_REQUEST2, &perout_request)) {
perror("PTP_PEROUT_REQUEST");
} else {
puts("periodic output request okay");