Teodora
0ad393f28e
It is backwards compatible with the O-RAN.WG4.MP-YANGs-v04.00, previous supported version.
737 lines
21 KiB
YANG
737 lines
21 KiB
YANG
module o-ran-interfaces {
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yang-version 1.1;
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namespace "urn:o-ran:interfaces:1.0";
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prefix "o-ran-int";
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import ietf-inet-types {
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prefix "inet";
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}
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import iana-if-type {
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prefix "ianaift";
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}
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import ietf-interfaces {
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prefix "if";
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}
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import ietf-ip {
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prefix "ip";
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}
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import ietf-hardware {
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prefix "hw";
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}
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import ietf-yang-types {
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prefix "yang";
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}
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import iana-hardware {
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prefix "ianahw";
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}
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import o-ran-wg4-features {
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prefix "feat";
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}
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organization "O-RAN Alliance";
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contact
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"www.o-ran.org";
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description
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"This module defines the YANG definitions for managing the O-RAN
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interfaces.
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Copyright 2024 the O-RAN Alliance.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the above disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the above disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the Members of the O-RAN Alliance nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.";
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revision "2024-08-12" {
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description
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"version 16.0.0
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1) added new MACsec bypass policy.";
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reference "ORAN-WG4.M.0-v16.00";
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}
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revision "2024-04-15" {
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description
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"version 15.0.0
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1) added new config false only leaf for maximum payload size.
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2) new configuration for TCP MSS.";
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reference "ORAN-WG4.M.0-v15.00";
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}
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revision "2021-12-01" {
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description
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"version 5.2.0
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1) typographical corrections in descriptions.";
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reference "ORAN-WG4.M.0-v05.00";
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}
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revision "2021-03-22" {
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description
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"version 5.1.0
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1) typographical corrections in descriptions.";
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reference "ORAN-WG4.M.0-v05.00";
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}
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revision "2020-12-10" {
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description
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"version 5.0.0
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1) new functionality to describe over subscribed resources";
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reference "ORAN-WG4.M.0-v05.00";
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}
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revision "2020-04-17" {
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description
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"version 1.2.0
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1) updated descriptions to clarify operation when vlan-tagging is false";
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reference "ORAN-WG4.M.0-v03.00";
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}
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revision "2019-07-03" {
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description
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"version 1.1.0
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1) increasing max elements for user plane DSCP markings to 64
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2) re-organizing layout to facilitate cross-WG adoption, whilst ensuring
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nodes are syntactically and semantically equivalent";
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reference "ORAN-WG4.M.0-v01.00";
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}
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revision "2019-02-04" {
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description
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"version 1.0.0
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1) imported model from xRAN
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2) changed namespace and reference from xran to o-ran";
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reference "ORAN-WG4.M.0-v01.00";
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}
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feature UDPIP-BASED-CU-PLANE {
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description
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"This feature indicates that the RU supports the UDP/IP based transport
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for the CU plane.";
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}
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feature ALIASMAC-BASED-CU-PLANE {
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description
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"This feature indicates that the RU supports the alias MAC address
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based transport for the CU plane.";
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}
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typedef pcp {
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type uint8 {
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range "0..7";
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}
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description
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"Priority Code Point. PCP is a 3-bit field that refers to the
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class of service applied to a VLAN tagged frame. The
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field specifies a priority value between 0 and 7, these values
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can be used by quality of service (QoS) to prioritize
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different classes of traffic.";
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reference
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"IEEE 802.1Q-2014: Virtual Bridged Local Area Networks";
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}
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typedef mss {
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type uint16;
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description
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"Type definition for TCP Maximum Segment Size.";
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}
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typedef ethertype-string {
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type string {
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pattern '([0-9A-Fa-f]{2}(:[0-9A-Fa-f]{2}))';
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}
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description
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"A 2 octect hexadecimal string with octets represented as hex digits
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separated by colons.";
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}
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grouping cos-marking {
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description
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"Configuration data for CU Plane ethernet CoS marking.
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This grouping is only applicable to an interface when vlan-tagging is
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set to TRUE for that interface. In other cases, it may be ignored.";
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container class-of-service {
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description
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"CoS Configuration";
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leaf u-plane-marking {
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type pcp;
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default 7;
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description
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"Marking used for default u-plane flows.
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7 represents highest priority for u-plane marking";
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}
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leaf c-plane-marking {
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type pcp;
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default 7;
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description "7 represents highest priority for c-plane marking";
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}
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leaf m-plane-marking {
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type pcp;
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default 2;
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description "2 represents highest excellent effort for m-plane marking";
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}
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leaf s-plane-marking {
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type pcp;
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default 7;
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description "7 represents highest priority for s-plane marking";
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}
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leaf other-marking {
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type pcp;
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default 1;
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description "1 represents best effort for other marking";
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}
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list enhanced-uplane-markings{
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key "up-marking-name";
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max-elements 4;
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description
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"list of mappings for enhanced (non-default) u-plane markings";
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leaf up-marking-name {
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type string;
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description "The name of the marking";
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}
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leaf enhanced-marking {
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type pcp;
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description "the enhanced u-plane marking";
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}
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}
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}
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}
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grouping dscp-marking {
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description
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"Configuration data for CU Plane DSCP marking";
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container diffserv-markings {
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description
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"DSCP Configuration";
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leaf u-plane-marking {
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type inet:dscp;
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default 46;
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description
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"Marking used for default u-plane flows.
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46 represents expedited forwarding";
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}
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leaf c-plane-marking {
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type inet:dscp;
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default 46;
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description "46 represents expedited forwarding";
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}
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leaf s-plane-marking {
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type inet:dscp;
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default 46;
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description "46 represents expedited forwarding";
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}
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leaf other-marking {
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type inet:dscp;
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default 0;
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description "0 represents best effort forwarding";
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}
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list enhanced-uplane-markings{
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key up-marking-name;
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max-elements 64;
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description
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"list of mappings for enhanced (non-default) u-plane markings";
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leaf up-marking-name {
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type string;
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description "The name of the marking";
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}
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leaf enhanced-marking {
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type inet:dscp;
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description "the enhanced u-plane marking";
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}
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}
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}
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}
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grouping tcp-config {
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description "grouping for per-interface tcp configuration";
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container tcp {
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presence "tcp configuration";
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description "per interface TCP configuration";
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leaf mss-adjust {
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type mss;
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description
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"Maximum Segment Size (MSS) used in the MSS Option sent
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in the TCP initial handshake over this interface and
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which specifies an upper bound for the TCP MSS of packets
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that can be received on this interface.
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NOTE, this can be used to reduce the packet size for NETCONF/TLS
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or NETCONF/SSH to reduce head-of-line blocking due to M-Plane
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packets sent over the fronthaul downlink interface";
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}
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}
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}
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grouping macsec-bypass-grouping {
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description "grouping for MACsec bypass policy";
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container macsec-bypass-policy {
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if-feature feat:MACSEC-BYPASS-POLICY;
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description
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"This is a top level container for MACsec policies.
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These policies can only be enforced on the base
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Ethernet interface.
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MAC, EtherType and vlan-id based policies are defined to
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be applied to the base-interface.
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VLAN based policies can additionally be implicitly
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enforced by configuring the SecY on a VLAN interface and
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do not use this container.";
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list policy {
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key "name";
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description
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"Each policy list entry has a matching criteria. Any frame
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matching the criteris will be forwarded via the uncontrolled port.";
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leaf name {
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type string;
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description
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"The name of the MACsec policy.";
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}
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choice policy-type {
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case mac {
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leaf-list destination-mac-address {
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type yang:mac-address;
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description
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"Destination IEEE 802 Media Access Control (MAC)
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address of frames egressing via interface.";
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}
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}
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case ethertype {
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leaf-list ethertype {
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type ethertype-string;
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description
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"list of ethertypes in frames egressing the interface.";
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}
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}
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case vlan-id {
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leaf-list vlan-id {
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type uint16 {
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range "1..4094";
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}
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description
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"list of vlan-ids in frames egressing the interface.";
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}
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}
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description
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"choice of policy types";
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}
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}
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}
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}
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grouping macsec-bypass-capabilities {
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description "grouping for MACsec bypass capabilities";
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container macsec-bypass-capabilities {
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if-feature feat:MACSEC-BYPASS-POLICY;
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config false;
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description
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"This is a container for MACsec bypass capabilities.";
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leaf per-interface-policy-list-max-elements {
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type uint16;
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default 100;
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description
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"the maximum number of list of elements
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for each instance of the list
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/if:interfaces/if:interface/o-ran-int:/macsec-bypass-policy/o-ran-int/policy.";
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}
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leaf cummulative-policy-list-max-elements {
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type uint16;
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default 100;
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description
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"the maximum cummulative number of list entries for
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all instances of the list
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/if:interfaces/if:interface/o-ran-int:/macsec-bypass-policy/o-ran-int/policy";
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}
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leaf-list supported-policy {
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type enumeration {
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enum MAC {
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description
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"O-RU supports MAC address based by-pass policies
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for frames egressing a base-interface.";
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}
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enum ETHERTYPE {
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description
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"O-RU supports ethertype based by-pass policies
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for frames egressing a base-interface.";
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}
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enum VLAN {
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description
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"O-RU supports vlan-id based by-pass policies
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for frames egressing a base-interface.";
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}
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}
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description
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"The type of mac bypass policies supported by the O-RU
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on frames egressing a base-interface.
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An O-RU supporting the MACSEC-BYPASS-POLICY shall include
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at least one of the defined policies in this list.";
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}
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}
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}
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rpc reset-interface-counters {
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description
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"Management plane triggered restart of the interface counters.";
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}
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// Cross Working Group Augmentations Follow
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// Cross Working Group augmentations for basic Ethernet leafs
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augment "/if:interfaces/if:interface" {
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when "if:type = 'ianaift:ethernetCsmacd'" {
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description "Applies to Ethernet interfaces";
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}
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description
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"Augment the interface model with parameters for
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base Ethernet interface";
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leaf l2-mtu {
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type uint16 {
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range "64 .. 65535";
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}
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units bytes;
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default 1500;
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description
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"The maximum size of layer 2 frames that may be transmitted
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or received on the interface (excluding any FCS overhead).
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For Ethernet interfaces it also excludes the
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4-8 byte overhead of any known (i.e. explicitly matched by
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a child sub-interface) 801.1Q VLAN tags.";
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}
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leaf maximum-ethernet-payload-size {
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type uint16 {
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range "1500 .. 9000";
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}
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units bytes;
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config false;
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description
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"The maximum size of the Ethernet payload that an O-RU can transmit
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or receive on the interface (excluding any frame header,
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maximum frame payload size, frame checksum
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sequence and any 802.1Q tag).
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TAKE NOTE - THE FORMULA IN THIS DESCRIPTION DIFFERS FROM THE
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FORMULA IN THE DESCRIPTION OF THE l2-mtu LEAF.
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THIS LEAF CORRESPONDS TO THE DATA/PAYLOAD **ONLY** AND DOES **NOT**
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INCLUDE ANY OTHER FRAME OVERHEAD LIKE SOURCE/DESTINATION ADDRESSES,
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LENGTH, 802.1Q TAGS OR FCS.";
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}
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leaf vlan-tagging {
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type boolean;
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default true;
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description
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"Indicates if VLAN tagging is used.
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Default true is used to enable equipment to autonomously discover that
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it is connected to a trunk port.
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This may be set to false, for example, when the O-RU is directly
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connected to the O-DU. In such cases, native Ethernet frames may be
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used across the O-RAN interface, i.e., any PCP markings defined
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in the cos-markings grouping are NOT used by the O-RU and any default
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value or configured value using those leafs may be ignored by the O-RAN
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equipment.";
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}
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uses cos-marking;
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// interface-grouping insert - begin;
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leaf-list interface-groups-id {
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type leafref {
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path "/if:interfaces/o-ran-int:interface-grouping/o-ran-int:interfaces-groups/o-ran-int:interface-group-id";
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}
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config false;
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description
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"an optional leaf used when the sustained rate able to be supported by an interface
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is less than nominal bit rate indicated by o-ran-transceiver.yang
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Identifies interface grouping particular physical hardware MAC address belongs to.";
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}
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// interface-grouping insert - end;
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}
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// augmentation for MACsec bypass policies
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augment "/if:interfaces/if:interface" {
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when "if:type = 'ianaift:ethernetCsmacd'" {
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description "Applies to Ethernet interfaces";
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}
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if-feature feat:MACSEC-BYPASS-POLICY;
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description
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"Augment the interface model with bypass parameters for
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base Ethernet interface";
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uses macsec-bypass-grouping;
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}
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augment "/if:interfaces" {
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if-feature feat:MACSEC-BYPASS-POLICY;
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description "augmentation for MACsec bypass capabilitites";
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uses macsec-bypass-capabilities;
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}
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// Cross Working Group augmentation for l2vlan interfaces for VLAN definition
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augment "/if:interfaces/if:interface" {
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when "if:type = 'ianaift:l2vlan'";
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description "augments for VLAN definition";
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leaf base-interface {
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type if:interface-ref;
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must "/if:interfaces/if:interface[if:name = current()]"
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+ "/o-ran-int:vlan-tagging = 'true'" {
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description
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"The base interface must have VLAN tagging enabled.";
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}
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description
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"The base interface for the VLAN sub-interface.";
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}
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leaf vlan-id {
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type uint16 {
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range "1..4094";
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}
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description
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"The VLAN-ID.";
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}
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}
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// Cross Working Group augmentation for both ethernetCsmacd and l2vlan interfaces
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augment "/if:interfaces/if:interface" {
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when "(if:type = 'ianaift:ethernetCsmacd') or
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(if:type = 'ianaift:l2vlan')" {
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description "Applies to ethernetCsmacd and l2vlan interfaces";
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}
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description
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"Augment the interface model with parameters for all
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both ethernetCsmacd and l2vlan interfaces.";
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leaf last-cleared {
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type yang:date-and-time;
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config false;
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description
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"Timestamp of the last time the interface counters were
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cleared.";
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}
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}
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// Cross Working Group augmentation to ietf-ip covering DSCP for M-Plane
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augment "/if:interfaces/if:interface/ip:ipv4" {
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description "augments for IPv4 based M-Plane transport";
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leaf m-plane-marking {
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type inet:dscp;
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default 18;
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description "18 represents AF21 or 'immediate traffic'";
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}
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}
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augment "/if:interfaces/if:interface/ip:ipv6" {
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description "augments for IPv6 based M-Plane transport";
|
|
leaf m-plane-marking {
|
|
type inet:dscp;
|
|
default 18;
|
|
description "18 represents AF21 or 'immediate traffic'";
|
|
}
|
|
}
|
|
|
|
// Cross Working Group augmentation to ietf-ip covering TCP MSS for M-Plane
|
|
|
|
augment "/if:interfaces/if:interface/ip:ipv4" {
|
|
if-feature feat:PER-INT-TCP-MSS;
|
|
description "augments for IPv4 based CUS transport";
|
|
uses tcp-config;
|
|
}
|
|
augment "/if:interfaces/if:interface/ip:ipv6" {
|
|
if-feature feat:PER-INT-TCP-MSS;
|
|
description "augments for IPv6 based CUS transport";
|
|
uses tcp-config;
|
|
}
|
|
|
|
|
|
// WG4 Specific Augmentations Follow
|
|
|
|
// WG4 Augmentation for basic Ethernet leafs
|
|
|
|
augment "/if:interfaces/if:interface" {
|
|
when "if:type = 'ianaift:ethernetCsmacd'" {
|
|
description
|
|
"Applies to WG4 Ethernet interfaces for alias MAC based CU-Plane";
|
|
}
|
|
if-feature ALIASMAC-BASED-CU-PLANE;
|
|
description
|
|
"Augment the interface model with parameters for
|
|
base Ethernet interface";
|
|
|
|
leaf-list alias-macs {
|
|
type yang:mac-address;
|
|
|
|
description
|
|
"Augments interfaces with range of alias MAC addresses.";
|
|
}
|
|
|
|
}
|
|
|
|
// WG4 Augmentation for both ethernetCsmacd and l2vlan interfaces
|
|
|
|
augment "/if:interfaces/if:interface" {
|
|
when "(if:type = 'ianaift:ethernetCsmacd') or
|
|
(if:type = 'ianaift:l2vlan')" {
|
|
description "Applies to ethernetCsmacd and l2vlan interfaces";
|
|
}
|
|
description
|
|
"Augment the interface model with parameters for all
|
|
both ethernetCsmacd and l2vlan interfaces.";
|
|
leaf mac-address {
|
|
type yang:mac-address;
|
|
|
|
description
|
|
"The MAC address of the interface.";
|
|
}
|
|
|
|
container port-reference {
|
|
description
|
|
"a port reference used by other O-RAN modules";
|
|
leaf port-name {
|
|
type leafref {
|
|
path '/hw:hardware/hw:component/hw:name';
|
|
}
|
|
must "derived-from-or-self(deref(current())/../hw:class, 'ianahw:port')";
|
|
// TAKE NOTE - depending on version of pyang, this may generate various
|
|
// warnings, e.g., warning: XPath for "port-name" does not exist
|
|
description
|
|
"O-RAN interfaces use a reference to a physical port component.
|
|
|
|
In this case, the component name referenced must be of class type
|
|
port, i.e., when /hw:hardware/hw:component/hw:class is derived from
|
|
ianahw:port";
|
|
}
|
|
leaf port-number {
|
|
type uint8;
|
|
description
|
|
"A number allocated by the server which identifies a port.
|
|
Port number value is 0 to N-1 where N is number of ports
|
|
in the device.
|
|
|
|
This value is fixed for the lifetime of the equipment, i.e., cannot be
|
|
changed during equipment reboots.";
|
|
}
|
|
}
|
|
}
|
|
|
|
// WG4 specific augmentation to ietf-ip covering DSCP for CUS Plane
|
|
|
|
augment "/if:interfaces/if:interface/ip:ipv4" {
|
|
if-feature UDPIP-BASED-CU-PLANE;
|
|
description "augments for IPv4 based CUS transport";
|
|
uses dscp-marking;
|
|
}
|
|
augment "/if:interfaces/if:interface/ip:ipv6" {
|
|
if-feature UDPIP-BASED-CU-PLANE;
|
|
description "augments for IPv6 based CUS transport";
|
|
uses dscp-marking;
|
|
}
|
|
|
|
// Other Working Group Specific Augmentations Follow Here
|
|
|
|
// interface-grouping insert - begin;
|
|
|
|
augment "/if:interfaces" {
|
|
description "augments interfaces for groupings of physical hardware addresses that can be used to group Ethernet ports";
|
|
|
|
container interface-grouping {
|
|
|
|
presence
|
|
"indicates maximum sustained throughput of an O-RU is less than the combined bandwidth of all physical ports";
|
|
|
|
config false;
|
|
|
|
description
|
|
"A container used by an O-RU where the maximum sustained throughput
|
|
of an O-RU is less than the combined bandwidth of all physical ports";
|
|
|
|
list interfaces-groups {
|
|
key interface-group-id;
|
|
description "List of interface groups.";
|
|
|
|
leaf interface-group-id {
|
|
type uint8;
|
|
description "interface group identifier.";
|
|
}
|
|
|
|
leaf max-sustainable-ingress-bandwidth {
|
|
type uint32;
|
|
units Mbps;
|
|
description
|
|
"Maximum sustainable ingress bandwidth the interface group can handle. The sustainable bandwidth is calculated
|
|
over one radio frame.
|
|
|
|
The peak ingress bandwidth may exceed the sustainable bandwidth for periods shorter than a radio frame period.";
|
|
}
|
|
|
|
leaf max-sustainable-egress-bandwidth {
|
|
type uint32;
|
|
units Mbps;
|
|
description
|
|
"Maximum sustainable egress bandwidth the interface group can handle. The sustainable bandwidth is calculated
|
|
over one radio frame.";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// interface-grouping insert - end;
|
|
|
|
}
|