--- /dev/null
+module o-ran-udp-echo {
+ yang-version 1.1;
+ namespace "urn:o-ran:udpecho:1.0";
+ prefix "o-ran-echo";
+
+ import o-ran-interfaces {
+ prefix "o-ran-int";
+ }
+
+ organization "O-RAN Alliance";
+
+ contact
+ "www.o-ran.org";
+
+ description
+ "This module covers off aspects of interface transport
+ verification for UDP/IP based C/U plane connections based on UDP Echo.
+
+ 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 "2019-02-04" {
+ 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";
+ }
+
+// groupings
+
+ grouping udp-echo-group {
+ leaf enable-udp-echo {
+ type boolean;
+ default false;
+ description
+ "whether O-RU's UDP ech server is enabled";
+ }
+
+ leaf dscp-config {
+ type enumeration {
+ enum REFLECTIVE {
+ description
+ "DSCP in echoed datagrams is copied from received datagram";
+ }
+ enum EF {
+ description
+ "DSCP in echoed datagrams is always be set to expeditied
+ forwarding Per Hop Behaviour.";
+ }
+ }
+ default EF;
+ description "configuration of UDP echo DSCP";
+ }
+
+ leaf echo-replies-transmitted {
+ type uint32;
+ config false;
+ description
+ "The total number of UDP echo replies transmitted by the O-RU.";
+ }
+ }
+
+ container udp-echo {
+ if-feature o-ran-int:UDPIP-BASED-CU-PLANE;
+ description "container for udp echo";
+
+ uses udp-echo-group;
+ }
+}