--- /dev/null
+module o-ran-ald {
+ yang-version 1.1;
+ namespace "urn:o-ran:ald:1.0";
+ prefix "o-ran-ald";
+
+ import o-ran-ald-port {
+ prefix "ap";
+ }
+
+ organization "O-RAN Alliance";
+
+ contact
+ "www.o-ran.org";
+
+ description
+ "This module defines the module for the ald communication.
+
+ 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 "2019-07-03" {
+ description
+ "version 1.1.0
+
+ 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 ald-input {
+ leaf port-id {
+ type leafref {
+ path "/ap:ald-ports-io/ap:ald-port/ap:port-id";
+ }
+ mandatory true;
+ description
+ "Unique ALD port identifier reported by radio";
+ }
+
+ leaf ald-req-msg {
+ type binary {
+ length "0..1200";
+ }
+
+ description
+ "Response message to be forwarded to ALD in type of binary-string";
+ }
+ }
+
+ grouping ald-output {
+ leaf port-id {
+ type leafref {
+ path "/ap:ald-ports-io/ap:ald-port/ap:port-id";
+ }
+ mandatory true;
+ description
+ "Unique ALD port identifier reported by radio";
+ }
+
+ leaf status {
+ type enumeration {
+ enum ACCEPTED {
+ description
+ "Operation was accepted, message was processed towards ALD and response is provided";
+ }
+ enum REJECTED {
+ description
+ "Operation was rejected by O-RU";
+ }
+ }
+ mandatory true;
+
+ description
+ "Status of RPC handling seen from equipment perspective";
+ }
+
+ leaf error-message {
+ when "../status='REJECTED'";
+ type string;
+
+ description
+ "Detailed error message when the status is rejected. E.g. wrong ALD port identifier was used in RPC received from Netconf Client";
+ }
+
+ leaf ald-resp-msg {
+ type binary {
+ length "0..1200";
+ }
+
+ description
+ "Response message forwarded from ALD in type of binary-string";
+ }
+
+ leaf frames-with-wrong-crc {
+ type uint32;
+
+ description
+ "Number of frames with incorrect CRC (FCS) received from ALD - running counter";
+ }
+
+ leaf frames-without-stop-flag {
+ type uint32;
+
+ description
+ "Number of frames without stop flag received from ALD - running counter";
+ }
+
+ leaf number-of-received-octets {
+ type uint32;
+
+ description
+ "Number of octets received from HDLC bus - running counter";
+ }
+ }
+ // rpc-statements
+ rpc ald-communication {
+ description
+ "Rpc to support communication between O-DU and Antenna Line Devices";
+
+ input {
+ uses ald-input;
+ }
+
+ output {
+ uses ald-output;
+ }
+ }
+}