The pmc call to ptp4l to get phc_index returns invalid value since in
free_running mode, ptp4l sets phc_index to -1. Adding a socket call in phc2sys
to get the phc_index.
Signed-off-by: Saravanan Arunachalam <sa...@nvidia.com>
---
phc2sys.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/phc2sys.c b/phc2sys.c
index 19e8012..6df9fef 100644
--- a/phc2sys.c
+++ b/phc2sys.c
@@ -299,6 +299,7 @@ static void clock_reinit(struct phc2sys_private *priv,
struct clock *clock,
{
int err = -1, phc_index = -1, phc_switched = 0, timestamping;
char iface[IFNAMSIZ], phc_device[19];
+ struct sk_ts_info ts_info;
enum port_state state;
struct port *p;
clockid_t clkid = CLOCK_INVALID;
@@ -323,6 +324,10 @@ static void clock_reinit(struct phc2sys_private *priv,
struct clock *clock,
free(clock->device);
clock->device = strdup(iface);
}
+ if (phc_index < 0) {
+ sk_get_ts_info(iface, &ts_info);
+ phc_index = ts_info.phc_index;
+ }
/* Check if phc index changed */
if (clock->phc_index != phc_index) {
snprintf(phc_device, sizeof(phc_device), "/dev/ptp%d",
@@ -838,6 +843,7 @@ static int phc2sys_recv_subscribed(void *context, struct
ptp_message *msg,
static int auto_init_ports(struct phc2sys_private *priv, int add_rt)
{
int err, number_ports, phc_index, timestamping;
+ struct sk_ts_info ts_info;
enum port_state state;
char iface[IFNAMSIZ];
struct clock *clock;
@@ -887,6 +893,10 @@ static int auto_init_ports(struct phc2sys_private *priv,
int add_rt)
/* ignore ports with software time stamping */
continue;
}
+ if (phc_index < 0) {
+ sk_get_ts_info(iface, &ts_info);
+ phc_index = ts_info.phc_index;
+ }
port = port_add(priv, i, iface, phc_index);
if (!port)
return -1;
--
2.20.1
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