userspace/snmpd: add new wrsTimingStatusGroup with wrsSoftPLLStatus

Update:
--Makefile
--init
--MIB
create wrsTimingStatusGroup.c and wrsTimingStatusGroup.h

Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

userspace/snmpd/Makefile

@@ -32,6 +32,7 @@ SOURCES = \
 	wrsScalar.c \
 	wrsGeneralStatusGroup.c \
 	wrsOSStatusGroup.c \
+	wrsTimingStatusGroup.c \
 	wrsNetworkingStatusGroup.c \
 	wrsVersionGroup.c \
 	wrsCurrentTimeGroup.c \

userspace/snmpd/WR-SWITCH-MIB.txt

@@ -152,7 +152,28 @@ wrsTemperatureWarning OBJECT-TYPE
     ::= { wrsOSStatusGroup 2 }
 
 
---wrsTimingStatusGroup       OBJECT IDENTIFIER ::= { wrsDetailedStatusesGroup 2 }
+-- wrsTimingStatusGroup (.6.1.2)
+wrsTimingStatusGroup       OBJECT IDENTIFIER ::= { wrsDetailedStatusesGroup 2 }
+
+wrsSoftPLLStatus OBJECT-TYPE
+    SYNTAX         INTEGER {
+                        na(0),
+                        ok(1),
+                        error(2),
+                        warning(3),
+                        warningNA(4),
+                        bug(5)
+    }
+    MAX-ACCESS     read-only
+    STATUS         current
+    DESCRIPTION
+            "Grouped status of wrsSpllState
+            ok - values in wrsSpllState are correct
+            error - there is an error in wrsSpllState
+            warning - there is a warning in wrsSpllState
+            warningNA - there is N/A field in wrsSpllState
+            bug - bug in checking conditions of wrsSpllState, please report"
+    ::= { wrsTimingStatusGroup 2 }
 
 -- wrsNetworkingStatusGroup (.6.1.3)
 wrsNetworkingStatusGroup   OBJECT IDENTIFIER ::= { wrsDetailedStatusesGroup 3 }

userspace/snmpd/init.c

@@ -11,6 +11,7 @@
 #include "libwr/config.h"
 #include "wrsGeneralStatusGroup.h"
 #include "wrsOSStatusGroup.h"
+#include "wrsTimingStatusGroup.h"
 #include "wrsNetworkingStatusGroup.h"
 #include "wrsVersionGroup.h"
 #include "wrsCurrentTimeGroup.h"
@@ -38,6 +39,7 @@ void init_wrsSnmp(void)
 	init_wrsScalar();
 	init_wrsGeneralStatusGroup();
 	init_wrsOSStatusGroup();
+	init_wrsTimingStatusGroup();
 	init_wrsNetworkingStatusGroup();
 	init_wrsVersionGroup();
 	init_wrsCurrentTimeGroup();

userspace/snmpd/wrsTimingStatusGroup.c

+#include "wrsSnmp.h"
+#include "wrsSpllStatusGroup.h"
+#include "wrsTimingStatusGroup.h"
+
+static struct pickinfo wrsTimingStatus_pickinfo[] = {
+	FIELD(wrsTimingStatus_s, ASN_INTEGER, wrsPTPStatus),
+	FIELD(wrsTimingStatus_s, ASN_INTEGER, wrsSoftPLLStatus),
+	FIELD(wrsTimingStatus_s, ASN_INTEGER, wrsSlaveLinksStatus),
+	FIELD(wrsTimingStatus_s, ASN_INTEGER, wrsPTPFramesFlowing),
+};
+
+struct wrsTimingStatus_s wrsTimingStatus_s;
+
+time_t wrsTimingStatus_data_fill(void)
+{
+	static time_t time_update; /* time of last update */
+	time_t time_spll; /* time when softPLL data was updated */
+	struct wrsSpllStatus_s *s;
+
+	time_spll = wrsSpllStatus_data_fill();
+
+	if (time_spll <= time_update) {
+		/* cache not updated, return last update time */
+		return time_update;
+	}
+	time_update = time(NULL);
+
+	memset(&wrsTimingStatus_s, 0, sizeof(wrsTimingStatus_s));
+
+	/*********************************************************************\
+	|************************* wrsSoftPLLStatus  *************************|
+	\*********************************************************************/
+	/*
+	 * DelCnt - warning if > 0
+	 * seqstate has to be 8 (ready)
+	 * mode = 1 (grand master) aligin state must be 6 (LOCKED)
+	 * mode = 2 (free running master)
+	 * mode = 3 (slave)
+	*/
+	s = &wrsSpllStatus_s;
+	if ( /* check if error */
+		s->wrsSpllSeqState != WRS_SPLL_SEQ_STATE_READY
+		|| (s->wrsSpllMode == WRS_SPLL_MODE_GRAND_MASTER && s->wrsSpllAlignState != WRS_SPLL_ALIGN_STATE_LOCKED)
+		|| ((s->wrsSpllMode != WRS_SPLL_MODE_GRAND_MASTER)
+		    && (s->wrsSpllMode != WRS_SPLL_MODE_MASTER)
+		    && (s->wrsSpllMode != WRS_SPLL_MODE_SLAVE))
+	) {
+		wrsTimingStatus_s.wrsSoftPLLStatus =
+						WRS_SOFTPLL_STATUS_ERROR;
+
+	} else if ( /* check if warning */
+		s->wrsSpllDelCnt > 0
+	) { /* warning */
+		wrsTimingStatus_s.wrsSoftPLLStatus =
+						WRS_SOFTPLL_STATUS_WARNING;
+
+	} else if ( /* check if any of fields equal to 0 or WARNING_NA */
+		s->wrsSpllMode == 0
+	) { /* warning NA */
+		wrsTimingStatus_s.wrsSoftPLLStatus =
+					      WRS_SOFTPLL_STATUS_WARNING_NA;
+
+	} else if ( /* check if OK */
+		s->wrsSpllDelCnt == 0
+		&& s->wrsSpllSeqState == WRS_SPLL_SEQ_STATE_READY
+		&& ((s->wrsSpllMode == WRS_SPLL_MODE_GRAND_MASTER && s->wrsSpllAlignState == WRS_SPLL_ALIGN_STATE_LOCKED)
+		    || (s->wrsSpllMode == WRS_SPLL_MODE_MASTER)
+		    || (s->wrsSpllMode == WRS_SPLL_MODE_SLAVE))
+	) { /* OK */
+		wrsTimingStatus_s.wrsSoftPLLStatus =
+						WRS_SOFTPLL_STATUS_OK;
+
+	} else { /* probably bug in previous conditions,
+		  * this should never happen */
+		wrsTimingStatus_s.wrsSoftPLLStatus =
+						WRS_SOFTPLL_STATUS_BUG;
+	}
+
+	/* there was an update, return current time */
+	return time_update;
+}
+
+#define GT_OID WRSTIMINGSTATUS_OID
+#define GT_PICKINFO wrsTimingStatus_pickinfo
+#define GT_DATA_FILL_FUNC wrsTimingStatus_data_fill
+#define GT_DATA_STRUCT wrsTimingStatus_s
+#define GT_GROUP_NAME "wrsTimingStatusGroup"
+#define GT_INIT_FUNC init_wrsTimingStatusGroup
+
+#include "wrsGroupTemplate.h"

userspace/snmpd/wrsTimingStatusGroup.h

+#ifndef WRS_TIMING_STATUS_GROUP_H
+#define WRS_TIMING_STATUS_GROUP_H
+
+#define WRSTIMINGSTATUS_OID WRS_OID, 6, 2, 2
+
+#define WRS_SOFTPLL_STATUS_OK 1			/* ok */
+#define WRS_SOFTPLL_STATUS_ERROR 2		/* error */
+#define WRS_SOFTPLL_STATUS_WARNING 3		/* warning */
+#define WRS_SOFTPLL_STATUS_WARNING_NA 4 /* warning, at least one field is
+					  * equal to 0 (NA),shouldn't happen in
+					  * normal operation */
+#define WRS_SOFTPLL_STATUS_BUG 5		/* warning */
+
+struct wrsTimingStatus_s {
+	int wrsPTPStatus;
+	int wrsSoftPLLStatus;
+	int wrsSlaveLinksStatus;
+	int wrsPTPFramesFlowing;
+};
+
+extern struct wrsTimingStatus_s wrsTimingStatus_s;
+time_t wrsTimingStatus_data_fill(void);
+
+void init_wrsTimingStatusGroup(void);
+#endif /* WRS_TIMING_STATUS_GROUP_H */