Ejemplo n.º 1
0
Archivo: bmc.c Proyecto: zhlinh/ptpd2
/* compare portIdentity to an empty one */
Boolean portIdentityEmpty(PortIdentity *portIdentity) {

    PortIdentity zero;
    memset(&zero, 0, sizeof(PortIdentity));

    if (!cmpPortIdentity(portIdentity, &zero)) {
	return TRUE;
    }

    return FALSE;
}
Ejemplo n.º 2
0
Archivo: bmc.c Proyecto: zhlinh/ptpd2
/* compare portIdentity to all ones port identity */
Boolean portIdentityAllOnes(PortIdentity *portIdentity) {

    PortIdentity allOnes;
    memset(&allOnes, 0xFF, sizeof(PortIdentity));

    if (!cmpPortIdentity(portIdentity, &allOnes)) {
        return TRUE;
    }

    return FALSE;
}
Ejemplo n.º 3
0
Archivo: bmc.c Proyecto: cperl82/ptpd
/*Local clock is synchronized to Ebest Table 16 (9.3.5) of the spec*/
void s1(MsgHeader *header,MsgAnnounce *announce,PtpClock *ptpClock, const RunTimeOpts *rtOpts)
{

	Boolean firstUpdate = !cmpPortIdentity(&ptpClock->parentDS.parentPortIdentity, &ptpClock->portDS.portIdentity);
	TimePropertiesDS tpPrevious = ptpClock->timePropertiesDS;

	Boolean previousLeap59 = FALSE;
	Boolean previousLeap61 = FALSE;

	Boolean leapChange = FALSE;

	Integer16 previousUtcOffset = 0;

	previousLeap59 = ptpClock->timePropertiesDS.leap59;
	previousLeap61 = ptpClock->timePropertiesDS.leap61;

	previousUtcOffset = ptpClock->timePropertiesDS.currentUtcOffset;

	/* Current DS */
	ptpClock->currentDS.stepsRemoved = announce->stepsRemoved + 1;

	/* Parent DS */
	copyClockIdentity(ptpClock->parentDS.parentPortIdentity.clockIdentity,
	       header->sourcePortIdentity.clockIdentity);
	ptpClock->parentDS.parentPortIdentity.portNumber =
		header->sourcePortIdentity.portNumber;
	copyClockIdentity(ptpClock->parentDS.grandmasterIdentity,
			announce->grandmasterIdentity);
	ptpClock->parentDS.grandmasterClockQuality.clockAccuracy =
		announce->grandmasterClockQuality.clockAccuracy;
	ptpClock->parentDS.grandmasterClockQuality.clockClass =
		announce->grandmasterClockQuality.clockClass;
	ptpClock->parentDS.grandmasterClockQuality.offsetScaledLogVariance =
		announce->grandmasterClockQuality.offsetScaledLogVariance;
	ptpClock->parentDS.grandmasterPriority1 = announce->grandmasterPriority1;
	ptpClock->parentDS.grandmasterPriority2 = announce->grandmasterPriority2;

	/* use the granted interval if using signaling, otherwise we would try to arm a timer for 2^127! */
	if(rtOpts->unicastNegotiation && ptpClock->parentGrants != NULL && ptpClock->parentGrants->grantData[ANNOUNCE_INDEXED].granted) {
            ptpClock->portDS.logAnnounceInterval = ptpClock->parentGrants->grantData[ANNOUNCE_INDEXED].logInterval;
        } else if (header->logMessageInterval != UNICAST_MESSAGEINTERVAL) {
    	    ptpClock->portDS.logAnnounceInterval = header->logMessageInterval;
	}

	/* Timeproperties DS */
	ptpClock->timePropertiesDS.currentUtcOffset = announce->currentUtcOffset;

	if (ptpClock->portDS.portState != PTP_PASSIVE && ptpClock->timePropertiesDS.currentUtcOffsetValid &&
			!IS_SET(header->flagField1, UTCV)) {
		if(rtOpts->alwaysRespectUtcOffset)
			WARNING("UTC Offset no longer valid and ptpengine:always_respect_utc_offset is set: continuing as normal\n");
		else
			WARNING("UTC Offset no longer valid - clock jump expected\n");
	}

        /* "Valid" is bit 2 in second octet of flagfield */
        ptpClock->timePropertiesDS.currentUtcOffsetValid = IS_SET(header->flagField1, UTCV);

	/* set PTP_PASSIVE-specific state */
	p1(ptpClock, rtOpts);

	/* only set leap flags in slave state - info from leap file takes priority*/
	if (ptpClock->portDS.portState == PTP_SLAVE) {
	    if(ptpClock->clockStatus.override) {
		ptpClock->timePropertiesDS.currentUtcOffset = ptpClock->clockStatus.utcOffset;
		ptpClock->timePropertiesDS.leap59 = ptpClock->clockStatus.leapDelete;
		ptpClock->timePropertiesDS.leap61 = ptpClock->clockStatus.leapInsert;
	    } else {
		ptpClock->timePropertiesDS.leap59 = IS_SET(header->flagField1, LI59);
		ptpClock->timePropertiesDS.leap61 = IS_SET(header->flagField1, LI61);
	    }
	}