ptp4l: add missing options to config file

This patch adds support to the configuration file for all of the options
specified on the command line.

-v2
* Fix string length to account for null byte
* Add PRINT_LEVEL_MIN/MAX defines

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>

config.c

@@ -20,6 +20,7 @@
 #include <string.h>
 #include "config.h"
 #include "ether.h"
+#include "print.h"
 
 static void scan_line(char *s, struct config *cfg)
 {
@@ -29,6 +30,7 @@ static void scan_line(char *s, struct config *cfg)
 	UInteger16 u16;
 	UInteger8 u8;
 	unsigned char mac[MAC_LEN];
+	char string[1024];
 
 	struct defaultDS *dds = &cfg->dds;
 	struct port_defaults *pod = &cfg->pod;
@@ -133,6 +135,61 @@ static void scan_line(char *s, struct config *cfg)
 
 		for (i = 0; i < MAC_LEN; i++)
 			cfg->p2p_dst_mac[i] = mac[i];
+
+	} else if (1 == sscanf(s, " logging_level %d", &val)) {
+
+		if (val >= PRINT_LEVEL_MIN && val <= PRINT_LEVEL_MAX)
+			cfg->print_level = val;
+
+	} else if (1 == sscanf(s, " verbose %d", &val)) {
+
+		cfg->verbose = val ? 1 : 0;
+
+	} else if (1 == sscanf(s, " use_syslog %d", &val)) {
+
+		cfg->use_syslog = val ? 1 : 0;
+
+	} else if (1 == sscanf(s, " time_stamping %1023s", string)) {
+
+		if (0 == strcasecmp("hardware", string))
+
+			cfg->timestamping = TS_HARDWARE;
+
+		else if (0 == strcasecmp("software", string))
+
+			cfg->timestamping = TS_SOFTWARE;
+
+		else if (0 == strcasecmp("legacy", string))
+
+			cfg->timestamping = TS_LEGACY_HW;
+
+	} else if (1 == sscanf(s, " delay_mechanism %1023s", string)) {
+
+		if (0 == strcasecmp("E2E", string))
+
+			cfg->dm = DM_E2E;
+
+		else if (0 == strcasecmp("P2P", string))
+
+			cfg->dm = DM_P2P;
+
+		else if (0 == strcasecmp("Auto", string))
+
+			cfg->dm = DM_AUTO;
+	} else if (1 == sscanf(s, " network_transport %1023s", string)) {
+
+		if (0 == strcasecmp("UDPv4", string))
+
+			cfg->transport = TRANS_UDP_IPV4;
+
+		else if (0 == strcasecmp("UDPv6", string))
+
+			cfg->transport = TRANS_UDP_IPV6;
+
+		else if (0 == strcasecmp("L2", string))
+
+			cfg->transport = TRANS_IEEE_802_3;
+
 	}
 }
 

config.h

@@ -53,6 +53,10 @@ struct config {
 	double *pi_integral_const;
 	unsigned char *ptp_dst_mac;
 	unsigned char *p2p_dst_mac;
+
+	int print_level;
+	int use_syslog;
+	int verbose;
 };
 
 int config_read(char *name, struct config *cfg);

print.h

@@ -22,6 +22,9 @@
 
 #include <syslog.h>
 
+#define PRINT_LEVEL_MIN LOG_EMERG
+#define PRINT_LEVEL_MAX LOG_DEBUG
+
 void print(int level, char const *format, ...);
 
 void print_set_syslog(int value);

ptp4l.c

@@ -68,6 +68,10 @@ static struct config cfg_settings = {
 	.pi_integral_const = &configured_pi_ki,
 	.ptp_dst_mac = ptp_dst_mac,
 	.p2p_dst_mac = p2p_dst_mac,
+
+	.print_level = LOG_INFO,
+	.use_syslog = 1,
+	.verbose = 0,
 };
 
 static void usage(char *progname)
@@ -162,13 +166,13 @@ int main(int argc, char *argv[])
 			slaveonly = 1;
 			break;
 		case 'l':
-			print_set_level(atoi(optarg));
+			cfg_settings.print_level = atoi(optarg);
 			break;
 		case 'q':
-			print_set_syslog(1);
+			cfg_settings.use_syslog = 0;
 			break;
 		case 'v':
-			print_set_verbose(1);
+			cfg_settings.verbose = 1;
 			break;
 		case 'h':
 			usage(progname);
@@ -221,6 +225,10 @@ int main(int argc, char *argv[])
 		ds->clockQuality.clockClass = 255;
 	}
 
+	print_set_verbose(cfg_settings.verbose);
+	print_set_syslog(cfg_settings.use_syslog);
+	print_set_level(cfg_settings.print_level);
+
 	clock = clock_create(phc_index, iface, *nports, *timestamping, ds);
 	if (!clock) {
 		fprintf(stderr, "failed to create a clock\n");