Replace hard coded logMinPdelayReqInterval with configuration option.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>

config.c

@@ -79,6 +79,10 @@ static void scan_line(char *s, struct config *cfg)
 
 		pod->logMinDelayReqInterval = i8;
 
+	} else if (1 == sscanf(s, " logMinPdelayReqInterval %hhd", &i8)) {
+
+		pod->logMinPdelayReqInterval = i8;
+
 	} else if (1 == sscanf(s, " announceReceiptTimeout %hhu", &u8)) {
 
 		pod->announceReceiptTimeout = u8;

default.cfg

@@ -15,6 +15,7 @@ offsetScaledLogVariance	0xFFFF
 logAnnounceInterval	1
 logSyncInterval		0
 logMinDelayReqInterval	0
+logMinPdelayReqInterval	0
 announceReceiptTimeout	3
 #
 # Run time options

ds.h

@@ -80,6 +80,7 @@ struct port_defaults {
 	Integer8 logAnnounceInterval;
 	Integer8 logSyncInterval;
 	Integer8 logMinDelayReqInterval;
+	Integer8 logMinPdelayReqInterval;
 	UInteger8 announceReceiptTimeout;
 	UInteger8 transportSpecific;
 };

port.c

@@ -39,8 +39,6 @@
 
 #define PTP_VERSION 2
 
-#define LOG_MIN_PDELAY_REQ_INTERVAL     2 /* allow PDelay_Req every 4 sec */
-
 struct port {
 	char *name;
 	struct clock *clock;
@@ -663,7 +661,7 @@ static int port_initialize(struct port *p)
 	p->announceReceiptTimeout  = p->pod.announceReceiptTimeout;
 	p->transportSpecific       = p->pod.transportSpecific;
 	p->logSyncInterval         = p->pod.logSyncInterval;
-	p->logMinPdelayReqInterval = LOG_MIN_PDELAY_REQ_INTERVAL;
+	p->logMinPdelayReqInterval = p->pod.logMinPdelayReqInterval;
 
 	tmtab_init(&p->tmtab, 1 + p->logMinDelayReqInterval);
 

ptp4l.c

@@ -208,6 +208,7 @@ int main(int argc, char *argv[])
 	pod.logAnnounceInterval = 1;
 	pod.logSyncInterval = 0;
 	pod.logMinDelayReqInterval = 0;
+	pod.logMinPdelayReqInterval = 0;
 	pod.announceReceiptTimeout = 3;
 	pod.transportSpecific = 0;