--- /dev/null
+module o-ran-supervision {
+ yang-version 1.1;
+ namespace "urn:o-ran:supervision:1.0";
+ prefix "o-ran-supervision";
+
+ import ietf-yang-types {
+ prefix yang;
+ }
+
+ organization "O-RAN Alliance";
+
+ contact
+ "www.o-ran.org";
+
+ description
+ "This module defines the configuration data and supervision RPCs that are
+ used to detect loss M-Plane and CU-Plane connectivity.
+
+ Copyright 2019 the O-RAN Alliance.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the above disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the above disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the Members of the O-RAN Alliance nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.";
+
+ revision "2019-04-11" {
+ description
+ "version 1.0.2
+
+ 1) added leafs for CU plane monitoring as a companion change to
+ Change Request CIS-0001";
+
+ reference "ORAN-WG4.M.0-v01.00";
+ }
+
+ revision "2019-03-06" {
+ description
+ "version 1.0.1
+
+ 1) backward compatible changes to introduce groupings.";
+
+ reference "ORAN-WG4.M.0-v01.00";
+ }
+
+ revision "2019-02-04" {
+ description
+ "version 1.0.0
+
+ 1) imported model from xRAN
+ 2) changed namespace and reference from xran to o-ran";
+
+ reference "ORAN-WG4.M.0-v01.00";
+ }
+
+ grouping watchdog-input {
+ leaf supervision-notification-interval {
+ type uint16;
+ units seconds;
+ default 60;
+ description
+ "The interval in seconds at which supervision notifications are sent.
+ If not specified the default value of 60 seconds shall apply.";
+ }
+ leaf guard-timer-overhead {
+ type uint16;
+ units seconds;
+ default 10;
+ description
+ "This is overhead added to the supervision timer used to calculate the
+ supervision wathcdog timer. i.e.,
+
+ supervision timer = notification timer + guard-timer-overhead
+
+ If not specified the default value of 10 seconds shall apply.
+
+ Failure to send this rpc again within the timeout sets the radio into
+ 'loss of supervision' state.
+
+ NOTE - The supervision timer MUST not be less that the confimed
+ timeout timer (when the feature is supported).
+
+ This type of constraint (using an RPCs input) cannot be formally
+ expressed in YANG.";
+ }
+ }
+
+ grouping watchdog-output {
+ leaf next-update-at {
+ type yang:date-and-time;
+ description
+ "Indicates the time when the next supervision notification is expected.";
+ }
+ }
+
+ grouping supervision-group {
+ container cu-plane-monitoring {
+ description "container describing operation of CU plane monitoring";
+ presence
+ "Indicates O-RU supports timer based cu-plane monitoring interval. If
+ this container is NOT present, the opertaion of the O-RU is undefined.";
+
+ leaf configured-cu-monitoring-interval {
+ type uint8 {
+ range "0..160";
+ }
+ default 160;
+ units milliseconds;
+ description
+ "This value corresponds to the configured value of the timer used by
+ the O-RU to monitor the C/U plane connection.
+
+ A value of 0 means that the O-RU's shall disable its CU plane
+ monitoring.
+
+ A NETCONF client should configure the value according to the
+ configuration of the PHY layer and/or C/U plane section types
+ supported and/or any fault tolerant operation. For example,
+
+ i) when opertaing with an O-DU supporting non-LAA LTE, this value can
+ be configured to a value according to the repetition time of
+ transmitted reference symbols across the fronthaul interface
+ ii) when opertaing with an O-DU supporting C-Plane Section Type 0,
+ this value can configured to a value according to the minimum
+ repetition interval of section type 0.
+ iii) when operating with an O-DU supporting fault tolerant operation,
+ this value can be configured according to the fault tolerant heartbeat
+ interval ";
+ }
+ }
+ }
+
+ container supervision {
+ uses supervision-group;
+ // other WG specific monitoring containers follow here
+ }
+
+ rpc supervision-watchdog-reset {
+ description
+ "rpc to reset the watchdog timer";
+ input {
+ uses watchdog-input;
+ }
+
+ output {
+ uses watchdog-output;
+ }
+ }
+
+ notification supervision-notification {
+ description
+ "Notification to indicate that NETCONF management interface is up
+ and also indicate the values of the timers for this NETCONF session";
+
+ }
+}
Code Review / sim / o1-interface.git / blobdiff