OCP 4.6 PTP Configs for FlexRAN

config-ptp-example1.yaml

---
# oc edit ptpoperatorconfigs.ptp.openshift.io/default -n openshift-ptp
# spec:
#  daemonNodeSelector:
#    node-role.kubernetes.io/worker-du: ""
apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: slave
  namespace: openshift-ptp
spec:
  profile:
    - name: "slave"
      interface: "<Interface-Name>"
      ptp4lOpts: "-2 -s --summary_interval -4"
      phc2sysOpts: "-a -r -n 24"
      ptp4lConf: |
        [global]
        twoStepFlag     1
        slaveOnly       0
        priority1       128
        priority2       90
        domainNumber        24
        #utc_offset     37
        clockClass      248
        clockAccuracy       0xFE
        offsetScaledLogVariance 0xFFFF
        free_running        0
        freq_est_interval   1
        dscp_event      0
        dscp_general        0
        dataset_comparison  ieee1588
        G.8275.defaultDS.localPriority  200
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval     -4
        logMinDelayReqInterval  -4
        logMinPdelayReqInterval -4
        announceReceiptTimeout  3
        syncReceiptTimeout  0
        delayAsymmetry      0
        fault_reset_interval    4
        neighborPropDelayThresh 20000000
        masterOnly      0
        G.8275.portDS.localPriority 200
        #
        # Run time options
        #
        assume_two_step     0
        logging_level       6
        path_trace_enabled  0
        follow_up_info      0
        hybrid_e2e      0
        inhibit_multicast_service   0
        net_sync_monitor    0
        tc_spanning_tree    0
        tx_timestamp_timeout    1
        unicast_listen      0
        unicast_master_table    0
        unicast_req_duration    3600
        use_syslog      1
        verbose         0
        summary_interval    -4
        kernel_leap     1
        check_fup_sync      0
        #
        # Servo Options
        #
        pi_proportional_const   0.0
        pi_integral_const   0.0
        pi_proportional_scale   0.0
        pi_proportional_exponent    -0.3
        pi_proportional_norm_max    0.7
        pi_integral_scale   0.0
        pi_integral_exponent    0.4
        pi_integral_norm_max    0.3
        step_threshold      0.0
        first_step_threshold    0.00002
        max_frequency       900000000
        clock_servo     pi
        sanity_freq_limit   200000000
        ntpshm_segment      0
        #
        # Transport options
        #
        transportSpecific   0x0
        ptp_dst_mac     01:1B:19:00:00:00
        p2p_dst_mac     01:80:C2:00:00:0E
        udp_ttl         1
        udp6_scope      0x0E
        uds_address     /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type      OC
        #network_transport  UDPv4
        network_transport   L2
        delay_mechanism     E2E
        time_stamping       hardware
        tsproc_mode     filter
        delay_filter        moving_median
        delay_filter_length 10
        egressLatency       0
        ingressLatency      0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription  ;;
        revisionData        ;;
        manufacturerIdentity    00:00:00
        userDescription     ;
        timeSource      0xA0
  recommend:
    - profile: "slave"
      priority: 1
      match:
        - nodeLabel: "<Node-Label>"

config-ptp-example2.yaml

apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: slave
  namespace: openshift-ptp
spec:
  profile:
    - name: "slave"
      interface: "ens1f0"
      ptp4lOpts: "-2 -s --summary_interval -4"
      phc2sysOpts: "-a -r -n 24"
      ptp4lConf: |
         [global]
         #
         # Default Data Set
         #
         slaveOnly               1
         priority1 128
         domainNumber 24
         boundary_clock_jbod 1
         logAnnounceInterval -3
         delay_mechanism E2E
         network_transport L2
         tx_timestamp_timeout 20
         dataset_comparison G.8275.x
         time_stamping hardware
         clockClass 255
         logSyncInterval -4
         logMinDelayReqInterval -4
         summary_interval 6
         priority2 128
         clock_servo linreg
  recommend:
    - profile: "slave"
      priority: 1
      match:
        - nodeLabel: "ran.example.com/du"

config-ptp-flexran.yaml

kind: PtpConfig
metadata:
  name: slave
  namespace: openshift-ptp
spec:
  profile:
    - name: "slave-flexran"
      interface: "ens2f0"
      ptp4lOpts: ""
      phc2sysOpts: "-a -r -n 24"
      ptp4lConf: |
         [global]
         #
         # Default Data Set
         #
         slaveOnly               1
         priority1 128
         domainNumber 24
         boundary_clock_jbod 1
         logAnnounceInterval -3
         delay_mechanism E2E
         network_transport L2
         tx_timestamp_timeout 20
         dataset_comparison G.8275.x
         time_stamping hardware
         clockClass 255
         logSyncInterval -4
         logMinDelayReqInterval -4
         summary_interval 1
         priority2 128
         clock_servo linreg
  recommend:
    - profile: "slave-flexran"
      priority: 1
      match:
        - nodeLabel: "ran.example.com/du"

ran-du-chronyd.yaml

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    # Pay attention to the node label, create MCP accordingly
    machineconfiguration.openshift.io/role: ran-du
  name: ran-du-disable-chronyd
spec:
  config:
    ignition:
      version: 3.1.0
    systemd:
      units:
        - contents: |
            [Unit]
            Description=NTP client/server
            Documentation=man:chronyd(8) man:chrony.conf(5)
            After=ntpdate.service sntp.service ntpd.service
            Conflicts=ntpd.service systemd-timesyncd.service
            ConditionCapability=CAP_SYS_TIME
            
            [Service]
            Type=forking
            PIDFile=/run/chrony/chronyd.pid
            EnvironmentFile=-/etc/sysconfig/chronyd
            ExecStart=/usr/sbin/chronyd $OPTIONS
            ExecStartPost=/usr/libexec/chrony-helper update-daemon
            PrivateTmp=yes
            ProtectHome=yes
            ProtectSystem=full
            
            [Install]
            WantedBy=multi-user.target
          enabled: false
          name: "chronyd.service"