SNMP: fixed handling of SPLL STATS register version

- update wrsSpllStatusGroup to recognize ver=3
- update wrsSpllStatusGroup and wrsSpllVersionGroup to
  properly complain to syslog when not recognizing version

userspace/libwr/include/libwr/softpll_export.h

@@ -57,7 +57,7 @@
 #define ALIGN_STATE_WAIT_CLKIN 9
 #define ALIGN_STATE_WAIT_PLOCK 10
 
-#define SPLL_STATS_VER 2
+#define SPLL_STATS_VER 3
 
 /* info reported through .stat section */
 /* due to endiannes problem strings has to be 4 bytes alligned */

userspace/snmpd/wrsSpllStatusGroup.c

@@ -49,7 +49,8 @@ time_t wrsSpllStatus_data_fill(void)
 		return time_update;
 	}
 	/* check version of SPLL's stat structure, versions 1 and 2 are ok */
-	if ((spll_stats_p->ver == 1) || (spll_stats_p->ver == 2)) {
+	if ((spll_stats_p->ver == 1) || (spll_stats_p->ver == 2) ||
+	    (spll_stats_p->ver == 3)) {
 		wrsSpllStatus_s.wrsSpllMode = spll_stats_p->mode;
 		wrsSpllStatus_s.wrsSpllIrqCnt = spll_stats_p->irq_cnt;
 		wrsSpllStatus_s.wrsSpllSeqState = spll_stats_p->seq_state;
@@ -60,6 +61,13 @@ time_t wrsSpllStatus_data_fill(void)
 		wrsSpllStatus_s.wrsSpllMY = spll_stats_p->M_y;
 		wrsSpllStatus_s.wrsSpllDelCnt = spll_stats_p->del_cnt;
 	}
+	else
+	{
+		snmp_log(LOG_ERR, "SNMP: " SL_ER
+			"wrsSpllStatusGroup unsupported version of spll_stats "
+			"registers (reading ver %d, supported 1, 2 and 3) \n",
+			spll_stats_p->ver);
+	}
 	/* there was an update, return current time */
 	return time_update;
 }

userspace/snmpd/wrsSpllVersionGroup.c

@@ -54,6 +54,13 @@ time_t wrsSpllVersion_data_fill(void)
 		/* add time after added space at the end of string */
 		strncpy_e(&wrsSpllVersion_s.wrsSpllBuildDate[len + 1], spll_stats_p->build_time, 16 - 1);
 	}
+	else
+	{
+		snmp_log(LOG_ERR, "SNMP: " SL_ER 
+			"wrsSpllVersionGroup unsupported version of spll_stats "
+			"registers (reading ver %d, supported 2 and 3) \n",
+			spll_stats_p->ver);
+	}
 	/* buil_by was introduced in version 3 */
 	if (spll_stats_p->ver == 3) {
 		strncpy_e(wrsSpllVersion_s.wrsSpllBuildBy, spll_stats_p->build_by, 32);