HC2VPP-7 - L3 split to separate module

ipv4/ipv6/proxy arp/nd proxy

Change-Id: I536298dd5584f79f357e94da08d402e67e79bb71
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>

5 files changed, 886 insertions, 0 deletions

diff --git a/l3/api/asciidoc/Readme.adoc b/l3/api/asciidoc/Readme.adoc
new file mode 100644
index 000000000..dd386c36b
--- /dev/null
+++ b/l3/api/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= l3-api
+
+Overview of l3-api
\ No newline at end of file
diff --git a/l3/api/pom.xml b/l3/api/pom.xml
new file mode 100644
index 000000000..df9d9e4ab
--- /dev/null
+++ b/l3/api/pom.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2017 Cisco and/or its affiliates.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at:
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>io.fd.honeycomb.common</groupId>
+        <artifactId>api-parent</artifactId>
+        <version>1.17.04-SNAPSHOT</version>
+    </parent>
+
+    <groupId>io.fd.hc2vpp.l3</groupId>
+    <artifactId>l3-api</artifactId>
+    <version>1.17.04-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>ietf-yang-types-20130715</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>ietf-interfaces</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>ietf-inet-types-2013-07-15</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>yang-ext</artifactId>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/l3/api/src/main/yang/ietf-ip.yang b/l3/api/src/main/yang/ietf-ip.yang
new file mode 100644
index 000000000..f6c59edea
--- /dev/null
+++ b/l3/api/src/main/yang/ietf-ip.yang
@@ -0,0 +1,742 @@
+module ietf-ip {
+
+  yang-version 1;
+
+  namespace
+    "urn:ietf:params:xml:ns:yang:ietf-ip";
+
+  prefix ip;
+
+  import ietf-interfaces {
+    prefix if;
+  }
+  import ietf-inet-types {
+    prefix inet;
+  }
+  import ietf-yang-types {
+    prefix yang;
+  }
+
+  organization
+    "IETF NETMOD (NETCONF Data Modeling Language) Working Group";
+
+  contact
+    "WG Web:   <http://tools.ietf.org/wg/netmod/>
+  WG List:  <mailto:netmod@ietf.org>
+
+  WG Chair: Thomas Nadeau
+            <mailto:tnadeau@lucidvision.com>
+
+  WG Chair: Juergen Schoenwaelder
+            <mailto:j.schoenwaelder@jacobs-university.de>
+
+  Editor:   Martin Bjorklund
+            <mailto:mbj@tail-f.com>";
+
+  description
+    "This module contains a collection of YANG definitions for
+  configuring IP implementations.
+
+  Copyright (c) 2014 IETF Trust and the persons identified as
+  authors of the code.  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or
+  without modification, is permitted pursuant to, and subject
+  to the license terms contained in, the Simplified BSD License
+  set forth in Section 4.c of the IETF Trust's Legal Provisions
+  Relating to IETF Documents
+  (http://trustee.ietf.org/license-info).
+
+  This version of this YANG module is part of RFC 7277; see
+  the RFC itself for full legal notices.";
+
+  revision "2014-06-16" {
+    description "Initial revision.";
+    reference
+      "RFC 7277: A YANG Data Model for IP Management";
+
+  }
+
+
+  feature ipv4-non-contiguous-netmasks {
+    description
+      "Indicates support for configuring non-contiguous
+    subnet masks.";
+  }
+
+  feature ipv6-privacy-autoconf {
+    description
+      "Indicates support for Privacy Extensions for Stateless Address
+    Autoconfiguration in IPv6.";
+    reference
+      "RFC 4941: Privacy Extensions for Stateless Address
+      	  Autoconfiguration in IPv6";
+
+  }
+
+  typedef ip-address-origin {
+    type enumeration {
+      enum "other" {
+        value 0;
+        description
+          "None of the following.";
+      }
+      enum "static" {
+        value 1;
+        description
+          "Indicates that the address has been statically
+        configured - for example, using NETCONF or a Command Line
+        Interface.";
+      }
+      enum "dhcp" {
+        value 2;
+        description
+          "Indicates an address that has been assigned to this
+        system by a DHCP server.";
+      }
+      enum "link-layer" {
+        value 3;
+        description
+          "Indicates an address created by IPv6 stateless
+        autoconfiguration that embeds a link-layer address in its
+        interface identifier.";
+      }
+      enum "random" {
+        value 4;
+        description
+          "Indicates an address chosen by the system at
+
+        random, e.g., an IPv4 address within 169.254/16, an
+        RFC 4941 temporary address, or an RFC 7217 semantically
+        opaque address.";
+        reference
+          "RFC 4941: Privacy Extensions for Stateless Address
+          	  Autoconfiguration in IPv6
+           RFC 7217: A Method for Generating Semantically Opaque
+          	  Interface Identifiers with IPv6 Stateless
+          	  Address Autoconfiguration (SLAAC)";
+
+      }
+    }
+    description
+      "The origin of an address.";
+  }
+
+  typedef neighbor-origin {
+    type enumeration {
+      enum "other" {
+        value 0;
+        description
+          "None of the following.";
+      }
+      enum "static" {
+        value 1;
+        description
+          "Indicates that the mapping has been statically
+        configured - for example, using NETCONF or a Command Line
+        Interface.";
+      }
+      enum "dynamic" {
+        value 2;
+        description
+          "Indicates that the mapping has been dynamically resolved
+        using, e.g., IPv4 ARP or the IPv6 Neighbor Discovery
+        protocol.";
+      }
+    }
+    description
+      "The origin of a neighbor entry.";
+  }
+
+  augment /if:interfaces/if:interface {
+    description
+      "Parameters for configuring IP on interfaces.
+
+    If an interface is not capable of running IP, the server
+    must not allow the client to configure these parameters.";
+    container ipv4 {
+      presence
+        "Enables IPv4 unless the 'enabled' leaf
+      (which defaults to 'true') is set to 'false'";
+      description
+        "Parameters for the IPv4 address family.";
+      leaf enabled {
+        type boolean;
+        default 'true';
+        description
+          "Controls whether IPv4 is enabled or disabled on this
+        interface.  When IPv4 is enabled, this interface is
+        connected to an IPv4 stack, and the interface can send
+        and receive IPv4 packets.";
+      }
+
+      leaf forwarding {
+        type boolean;
+        default 'false';
+        description
+          "Controls IPv4 packet forwarding of datagrams received by,
+        but not addressed to, this interface.  IPv4 routers
+        forward datagrams.  IPv4 hosts do not (except those
+        source-routed via the host).";
+      }
+
+      leaf mtu {
+        type uint16 {
+          range "68..max";
+        }
+        units "octets";
+        description
+          "The size, in octets, of the largest IPv4 packet that the
+        interface will send and receive.
+
+        The server may restrict the allowed values for this leaf,
+        depending on the interface's type.
+
+        If this leaf is not configured, the operationally used MTU
+        depends on the interface's type.";
+        reference
+          "RFC 791: Internet Protocol";
+
+      }
+
+      list address {
+        key "ip";
+        description
+          "The list of configured IPv4 addresses on the interface.";
+        leaf ip {
+          type inet:ipv4-address-no-zone;
+          description
+            "The IPv4 address on the interface.";
+        }
+
+        choice subnet {
+          mandatory true;
+          description
+            "The subnet can be specified as a prefix-length, or,
+          if the server supports non-contiguous netmasks, as
+          a netmask.";
+          leaf prefix-length {
+            type uint8 {
+              range "0..32";
+            }
+            description
+              "The length of the subnet prefix.";
+          }
+          leaf netmask {
+            if-feature ipv4-non-contiguous-netmasks;
+            type yang:dotted-quad;
+            description
+              "The subnet specified as a netmask.";
+          }
+        }  // choice subnet
+      }  // list address
+
+      list neighbor {
+        key "ip";
+        description
+          "A list of mappings from IPv4 addresses to
+        link-layer addresses.
+
+        Entries in this list are used as static entries in the
+        ARP Cache.";
+        reference
+          "RFC 826: An Ethernet Address Resolution Protocol";
+
+        leaf ip {
+          type inet:ipv4-address-no-zone;
+          description
+            "The IPv4 address of the neighbor node.";
+        }
+
+        leaf link-layer-address {
+          type yang:phys-address;
+          mandatory true;
+          description
+            "The link-layer address of the neighbor node.";
+        }
+      }  // list neighbor
+    }  // container ipv4
+
+    container ipv6 {
+      presence
+        "Enables IPv6 unless the 'enabled' leaf
+      (which defaults to 'true') is set to 'false'";
+      description
+        "Parameters for the IPv6 address family.";
+      leaf enabled {
+        type boolean;
+        default 'true';
+        description
+          "Controls whether IPv6 is enabled or disabled on this
+        interface.  When IPv6 is enabled, this interface is
+        connected to an IPv6 stack, and the interface can send
+        and receive IPv6 packets.";
+      }
+
+      leaf forwarding {
+        type boolean;
+        default 'false';
+        description
+          "Controls IPv6 packet forwarding of datagrams received by,
+        but not addressed to, this interface.  IPv6 routers
+        forward datagrams.  IPv6 hosts do not (except those
+        source-routed via the host).";
+        reference
+          "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)
+          	  Section 6.2.1, IsRouter";
+
+      }
+
+      leaf mtu {
+        type uint32 {
+          range "1280..max";
+        }
+        units "octets";
+        description
+          "The size, in octets, of the largest IPv6 packet that the
+        interface will send and receive.
+
+        The server may restrict the allowed values for this leaf,
+        depending on the interface's type.
+
+        If this leaf is not configured, the operationally used MTU
+        depends on the interface's type.";
+        reference
+          "RFC 2460: Internet Protocol, Version 6 (IPv6) Specification
+          	  Section 5";
+
+      }
+
+      list address {
+        key "ip";
+        description
+          "The list of configured IPv6 addresses on the interface.";
+        leaf ip {
+          type inet:ipv6-address-no-zone;
+          description
+            "The IPv6 address on the interface.";
+        }
+
+        leaf prefix-length {
+          type uint8 {
+            range "0..128";
+          }
+          mandatory true;
+          description
+            "The length of the subnet prefix.";
+        }
+      }  // list address
+
+      list neighbor {
+        key "ip";
+        description
+          "A list of mappings from IPv6 addresses to
+        link-layer addresses.
+
+        Entries in this list are used as static entries in the
+        Neighbor Cache.";
+        reference
+          "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)";
+
+        leaf ip {
+          type inet:ipv6-address-no-zone;
+          description
+            "The IPv6 address of the neighbor node.";
+        }
+
+        leaf link-layer-address {
+          type yang:phys-address;
+          mandatory true;
+          description
+            "The link-layer address of the neighbor node.";
+        }
+      }  // list neighbor
+
+      leaf dup-addr-detect-transmits {
+        type uint32;
+        default '1';
+        description
+          "The number of consecutive Neighbor Solicitation messages
+        sent while performing Duplicate Address Detection on a
+        tentative address.  A value of zero indicates that
+        Duplicate Address Detection is not performed on
+        tentative addresses.  A value of one indicates a single
+        transmission with no follow-up retransmissions.";
+        reference
+          "RFC 4862: IPv6 Stateless Address Autoconfiguration";
+
+      }
+
+      container autoconf {
+        description
+          "Parameters to control the autoconfiguration of IPv6
+        addresses, as described in RFC 4862.";
+        reference
+          "RFC 4862: IPv6 Stateless Address Autoconfiguration";
+
+        leaf create-global-addresses {
+          type boolean;
+          default 'true';
+          description
+            "If enabled, the host creates global addresses as
+          described in RFC 4862.";
+          reference
+            "RFC 4862: IPv6 Stateless Address Autoconfiguration
+            	  Section 5.5";
+
+        }
+
+        leaf create-temporary-addresses {
+          if-feature ipv6-privacy-autoconf;
+          type boolean;
+          default 'false';
+          description
+            "If enabled, the host creates temporary addresses as
+          described in RFC 4941.";
+          reference
+            "RFC 4941: Privacy Extensions for Stateless Address
+            	  Autoconfiguration in IPv6";
+
+        }
+
+        leaf temporary-valid-lifetime {
+          if-feature ipv6-privacy-autoconf;
+          type uint32;
+          units "seconds";
+          default '604800';
+          description
+            "The time period during which the temporary address
+          is valid.";
+          reference
+            "RFC 4941: Privacy Extensions for Stateless Address
+            	  Autoconfiguration in IPv6
+            	  - TEMP_VALID_LIFETIME";
+
+        }
+
+        leaf temporary-preferred-lifetime {
+          if-feature ipv6-privacy-autoconf;
+          type uint32;
+          units "seconds";
+          default '86400';
+          description
+            "The time period during which the temporary address is
+          preferred.";
+          reference
+            "RFC 4941: Privacy Extensions for Stateless Address
+            	  Autoconfiguration in IPv6
+            	  - TEMP_PREFERRED_LIFETIME";
+
+        }
+      }  // container autoconf
+    }  // container ipv6
+  }
+
+  augment /if:interfaces-state/if:interface {
+    description
+      "Data nodes for the operational state of IP on interfaces.";
+    container ipv4 {
+      presence
+        "Present if IPv4 is enabled on this interface";
+      config false;
+      description
+        "Interface-specific parameters for the IPv4 address family.";
+      leaf forwarding {
+        type boolean;
+        description
+          "Indicates whether IPv4 packet forwarding is enabled or
+        disabled on this interface.";
+      }
+
+      leaf mtu {
+        type uint16 {
+          range "68..max";
+        }
+        units "octets";
+        description
+          "The size, in octets, of the largest IPv4 packet that the
+        interface will send and receive.";
+        reference
+          "RFC 791: Internet Protocol";
+
+      }
+
+      list address {
+        key "ip";
+        description
+          "The list of IPv4 addresses on the interface.";
+        leaf ip {
+          type inet:ipv4-address-no-zone;
+          description
+            "The IPv4 address on the interface.";
+        }
+
+        choice subnet {
+          description
+            "The subnet can be specified as a prefix-length, or,
+          if the server supports non-contiguous netmasks, as
+          a netmask.";
+          leaf prefix-length {
+            type uint8 {
+              range "0..32";
+            }
+            description
+              "The length of the subnet prefix.";
+          }
+          leaf netmask {
+            if-feature ipv4-non-contiguous-netmasks;
+            type yang:dotted-quad;
+            description
+              "The subnet specified as a netmask.";
+          }
+        }  // choice subnet
+
+        leaf origin {
+          type ip-address-origin;
+          description
+            "The origin of this address.";
+        }
+      }  // list address
+
+      list neighbor {
+        key "ip";
+        description
+          "A list of mappings from IPv4 addresses to
+        link-layer addresses.
+
+        This list represents the ARP Cache.";
+        reference
+          "RFC 826: An Ethernet Address Resolution Protocol";
+
+        leaf ip {
+          type inet:ipv4-address-no-zone;
+          description
+            "The IPv4 address of the neighbor node.";
+        }
+
+        leaf link-layer-address {
+          type yang:phys-address;
+          description
+            "The link-layer address of the neighbor node.";
+        }
+
+        leaf origin {
+          type neighbor-origin;
+          description
+            "The origin of this neighbor entry.";
+        }
+      }  // list neighbor
+    }  // container ipv4
+
+    container ipv6 {
+      presence
+        "Present if IPv6 is enabled on this interface";
+      config false;
+      description
+        "Parameters for the IPv6 address family.";
+      leaf forwarding {
+        type boolean;
+        default 'false';
+        description
+          "Indicates whether IPv6 packet forwarding is enabled or
+        disabled on this interface.";
+        reference
+          "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)
+          	  Section 6.2.1, IsRouter";
+
+      }
+
+      leaf mtu {
+        type uint32 {
+          range "1280..max";
+        }
+        units "octets";
+        description
+          "The size, in octets, of the largest IPv6 packet that the
+        interface will send and receive.";
+        reference
+          "RFC 2460: Internet Protocol, Version 6 (IPv6) Specification
+          	  Section 5";
+
+      }
+
+      list address {
+        key "ip";
+        description
+          "The list of IPv6 addresses on the interface.";
+        leaf ip {
+          type inet:ipv6-address-no-zone;
+          description
+            "The IPv6 address on the interface.";
+        }
+
+        leaf prefix-length {
+          type uint8 {
+            range "0..128";
+          }
+          mandatory true;
+          description
+            "The length of the subnet prefix.";
+        }
+
+        leaf origin {
+          type ip-address-origin;
+          description
+            "The origin of this address.";
+        }
+
+        leaf status {
+          type enumeration {
+            enum "preferred" {
+              value 0;
+              description
+                "This is a valid address that can appear as the
+              destination or source address of a packet.";
+            }
+            enum "deprecated" {
+              value 1;
+              description
+                "This is a valid but deprecated address that should
+              no longer be used as a source address in new
+              communications, but packets addressed to such an
+              address are processed as expected.";
+            }
+            enum "invalid" {
+              value 2;
+              description
+                "This isn't a valid address, and it shouldn't appear
+              as the destination or source address of a packet.";
+            }
+            enum "inaccessible" {
+              value 3;
+              description
+                "The address is not accessible because the interface
+              to which this address is assigned is not
+              operational.";
+            }
+            enum "unknown" {
+              value 4;
+              description
+                "The status cannot be determined for some reason.";
+            }
+            enum "tentative" {
+              value 5;
+              description
+                "The uniqueness of the address on the link is being
+              verified.  Addresses in this state should not be
+              used for general communication and should only be
+              used to determine the uniqueness of the address.";
+            }
+            enum "duplicate" {
+              value 6;
+              description
+                "The address has been determined to be non-unique on
+              the link and so must not be used.";
+            }
+            enum "optimistic" {
+              value 7;
+              description
+                "The address is available for use, subject to
+              restrictions, while its uniqueness on a link is
+              being verified.";
+            }
+          }
+          description
+            "The status of an address.  Most of the states correspond
+          to states from the IPv6 Stateless Address
+          Autoconfiguration protocol.";
+          reference
+            "RFC 4293: Management Information Base for the
+            	  Internet Protocol (IP)
+            	  - IpAddressStatusTC
+             RFC 4862: IPv6 Stateless Address Autoconfiguration";
+
+        }
+      }  // list address
+
+      list neighbor {
+        key "ip";
+        description
+          "A list of mappings from IPv6 addresses to
+        link-layer addresses.
+
+        This list represents the Neighbor Cache.";
+        reference
+          "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)";
+
+        leaf ip {
+          type inet:ipv6-address-no-zone;
+          description
+            "The IPv6 address of the neighbor node.";
+        }
+
+        leaf link-layer-address {
+          type yang:phys-address;
+          description
+            "The link-layer address of the neighbor node.";
+        }
+
+        leaf origin {
+          type neighbor-origin;
+          description
+            "The origin of this neighbor entry.";
+        }
+
+        leaf is-router {
+          type empty;
+          description
+            "Indicates that the neighbor node acts as a router.";
+        }
+
+        leaf state {
+          type enumeration {
+            enum "incomplete" {
+              value 0;
+              description
+                "Address resolution is in progress, and the link-layer
+              address of the neighbor has not yet been
+              determined.";
+            }
+            enum "reachable" {
+              value 1;
+              description
+                "Roughly speaking, the neighbor is known to have been
+              reachable recently (within tens of seconds ago).";
+            }
+            enum "stale" {
+              value 2;
+              description
+                "The neighbor is no longer known to be reachable, but
+              until traffic is sent to the neighbor no attempt
+              should be made to verify its reachability.";
+            }
+            enum "delay" {
+              value 3;
+              description
+                "The neighbor is no longer known to be reachable, and
+              traffic has recently been sent to the neighbor.
+              Rather than probe the neighbor immediately, however,
+              delay sending probes for a short while in order to
+              give upper-layer protocols a chance to provide
+              reachability confirmation.";
+            }
+            enum "probe" {
+              value 4;
+              description
+                "The neighbor is no longer known to be reachable, and
+              unicast Neighbor Solicitation probes are being sent
+              to verify reachability.";
+            }
+          }
+          description
+            "The Neighbor Unreachability Detection state of this
+          entry.";
+          reference
+            "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)
+            	  Section 7.3.2";
+
+        }
+      }  // list neighbor
+    }  // container ipv6
+  }
+}  // module ietf-ip
diff --git a/l3/api/src/main/yang/nd-proxy.yang b/l3/api/src/main/yang/nd-proxy.yang
new file mode 100644
index 000000000..11a6ad2b8
--- /dev/null
+++ b/l3/api/src/main/yang/nd-proxy.yang
@@ -0,0 +1,45 @@
+module nd-proxy {
+    yang-version 1;
+    namespace "urn:opendaylight:params:xml:ns:yang:vpp:nd:proxy";
+    prefix "nd-proxy";
+    revision "2017-03-15" {
+        description "Initial revision of neighbour discovery proxy model for VPP";
+    }
+
+    import ietf-inet-types {
+        prefix "inet";
+    }
+    import ietf-interfaces {
+        prefix "if";
+    }
+    import ietf-ip {
+        prefix "ip";
+    }
+    import yang-ext {
+        prefix "ext";
+    }
+
+    augment /if:interfaces/if:interface/ip:ipv6  {
+        ext:augment-identifier "nd-proxy-ip6-augmentation";
+        container nd-proxies {
+            list nd-proxy {
+                key "address";
+                leaf address {
+                    type inet:ipv6-address-no-zone;
+                }
+            }
+        }
+    }
+
+    augment /if:interfaces-state/if:interface/ip:ipv6 {
+        ext:augment-identifier "nd-proxy-ip6-state-augmentation";
+        container nd-proxies {
+            list nd-proxy {
+                key "address";
+                leaf address {
+                    type inet:ipv6-address-no-zone;
+                }
+            }
+        }
+  }
+}
\ No newline at end of file
diff --git a/l3/api/src/main/yang/proxy-arp.yang b/l3/api/src/main/yang/proxy-arp.yang
new file mode 100644
index 000000000..3773e99cb
--- /dev/null
+++ b/l3/api/src/main/yang/proxy-arp.yang
@@ -0,0 +1,46 @@
+module proxy-arp {
+  yang-version 1;
+  namespace "urn:opendaylight:params:xml:ns:yang:vpp:proxy:arp";
+  prefix "proxy-arp";
+
+  revision "2017-03-15" {
+    description "Initial revision of proxy ARP model for VPP";
+  }
+
+  import ietf-inet-types {
+    prefix "inet";
+  }
+  import ietf-interfaces {
+    prefix "if";
+  }
+  import yang-ext {
+    prefix "ext";
+  }
+
+  container proxy-ranges {
+    list proxy-range {
+      key "vrf-id low-addr high-addr";
+      leaf vrf-id {
+        type uint32;
+      }
+      leaf low-addr {
+        type inet:ipv4-address;
+      }
+      leaf high-addr {
+        type inet:ipv4-address;
+      }
+      description
+        "Parameters for configuring Proxy ARP on interfaces.";
+    }
+  }
+
+  augment /if:interfaces/if:interface {
+    ext:augment-identifier "proxy-arp-interface-augmentation";
+
+    container proxy-arp {
+      presence "Enables proxy ARP on given interface";
+    }
+  }
+
+  // TODO(HC2VPP-86): add interfaces-state augmentation once VPP supports ARP proxy read (VPP-225)
+}
\ No newline at end of file