Allow ORDINARY_CLOCK (OC) as doubly-attached clock according to IEC
62439-3:2016 standard.
Signed-off-by: Stephan Wurm <stephan.w...@a-eberle.de>
---
ptp4l.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/ptp4l.c b/ptp4l.c
index c61175b..24a49f3 100644
--- a/ptp4l.c
+++ b/ptp4l.c
@@ -23,6 +23,7 @@
#include <string.h>
#include <unistd.h>
+#include "bmc.h"
#include "clock.h"
#include "config.h"
#include "ntpshm.h"
@@ -73,6 +74,7 @@ int main(int argc, char *argv[])
char *config = NULL, *req_phc = NULL, *progname;
enum clock_type type = CLOCK_TYPE_ORDINARY;
int c, err = -1, index, print_level;
+ bool iec_dac = false;
struct clock *clock = NULL;
struct option *opts;
struct config *cfg;
@@ -203,10 +205,18 @@ int main(int argc, char *argv[])
goto out;
}
+ if (config_get_int(cfg, NULL, "dataset_comparison") ==
DS_CMP_IEC62439_3) {
+ iec_dac = true;
+ }
+
type = config_get_int(cfg, NULL, "clock_type");
switch (type) {
case CLOCK_TYPE_ORDINARY:
- if (cfg->n_interfaces > 1) {
+ if ((!iec_dac && cfg->n_interfaces > 1) ||
+ /* The IEC 62439-3 standard allows doubly attached ordinary
+ * clocks
+ */
+ (iec_dac && cfg->n_interfaces > 2)) {
type = CLOCK_TYPE_BOUNDARY;
}
break;
--
2.34.1
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