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-rw-r--r--tools/testing/selftests/ptp/testptp.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c
index c9f6cca4fe..011252fe23 100644
--- a/tools/testing/selftests/ptp/testptp.c
+++ b/tools/testing/selftests/ptp/testptp.c
@@ -121,6 +121,7 @@ static void usage(char *progname)
" -d name device to open\n"
" -e val read 'val' external time stamp events\n"
" -f val adjust the ptp clock frequency by 'val' ppb\n"
+ " -F chan Enable single channel mask and keep device open for debugfs verification.\n"
" -g get the ptp clock time\n"
" -h prints this message\n"
" -i val index for event/trigger\n"
@@ -187,6 +188,7 @@ int main(int argc, char *argv[])
int pps = -1;
int seconds = 0;
int settime = 0;
+ int channel = -1;
int64_t t1, t2, tp;
int64_t interval, offset;
@@ -196,7 +198,7 @@ int main(int argc, char *argv[])
progname = strrchr(argv[0], '/');
progname = progname ? 1+progname : argv[0];
- while (EOF != (c = getopt(argc, argv, "cd:e:f:ghH:i:k:lL:n:o:p:P:sSt:T:w:x:Xz"))) {
+ while (EOF != (c = getopt(argc, argv, "cd:e:f:F:ghH:i:k:lL:n:o:p:P:sSt:T:w:x:Xz"))) {
switch (c) {
case 'c':
capabilities = 1;
@@ -210,6 +212,9 @@ int main(int argc, char *argv[])
case 'f':
adjfreq = atoi(optarg);
break;
+ case 'F':
+ channel = atoi(optarg);
+ break;
case 'g':
gettime = 1;
break;
@@ -604,6 +609,18 @@ int main(int argc, char *argv[])
free(xts);
}
+ if (channel >= 0) {
+ if (ioctl(fd, PTP_MASK_CLEAR_ALL)) {
+ perror("PTP_MASK_CLEAR_ALL");
+ } else if (ioctl(fd, PTP_MASK_EN_SINGLE, (unsigned int *)&channel)) {
+ perror("PTP_MASK_EN_SINGLE");
+ } else {
+ printf("Channel %d exclusively enabled. Check on debugfs.\n", channel);
+ printf("Press any key to continue\n.");
+ getchar();
+ }
+ }
+
close(fd);
return 0;
}