module openconfig-icmpv4-types {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/openconfig-icmpv4-types";

    prefix oc-icmpv4-types;

    import openconfig-extensions {
      prefix oc-ext;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
www.openconfig.net";

    description
      "OpenConfig module defining the types and coresponding codes for
ICMPv4.";

    revision "2023-01-26" {
      description
        "Initial revision of ICMPv4 types module.";
      reference
        "0.1.0";

    }

    oc-ext:openconfig-version "0.1.0";

    identity TYPE {
      description
        "Base identity for ICMPv4 codes";
    }

    identity CODE {
      description
        "Base identity for ICMPv4 codes.";
    }

    identity ECHO_REPLY {
      base TYPE;
      description
        "ICMP echo reply, value 0.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity DST_UNREACHABLE {
      base TYPE;
      description
        "ICMP destination unreachable, value 3.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity REDIRECT {
      base TYPE;
      description "ICMP redirect, value 5.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity ECHO {
      base TYPE;
      description "ICMP echo, value 8.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity ROUTER_ADVERTISEMENT {
      base TYPE;
      description
        "ICMP router advertisement, value 9.";
      reference
        "RFC1256: ICMP Router Discovery Messages";

    }

    identity ROUTER_SOLICITATION {
      base TYPE;
      description
        "ICMP Router Solicitation, value 10.";
      reference
        "RFC1256: ICMP Router Discovery Messages";

    }

    identity TIME_EXCEEDED {
      base TYPE;
      description
        "ICMP TTL exceede, value 11.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity PARAM_PROBLEM {
      base TYPE;
      description
        "ICMP parameter problem, value 12.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity TIMESTAMP {
      base TYPE;
      description
        "ICMP timestamp, value 13.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity TIMESTAMP_REPLY {
      base TYPE;
      description
        "ICMP timestamp reply, value 14.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity TRACEROUTE {
      base TYPE;
      description
        "Traceroute (deprecated), value 30.";
      reference
        "RFC1393: Traceroute Using an IP Option";

    }

    identity PHOTURIS {
      base TYPE;
      description "ICMP Photuris, value 40.";
      reference
        "RFC2521: CMP Security Failures Messages";

    }

    identity EXT_ECHO_REQUEST {
      base TYPE;
      description
        "ICMP extended echo request, value 42.";
      reference
        "RFC8335: PROBE: A Utility for Probing Interfaces";

    }

    identity EXT_ECHO_REPLY {
      base TYPE;
      description
        "ICMP extended echo reply, value 43.";
      reference
        "RFC8335: PROBE: A Utility for Probing Interfaces";

    }

    identity ECHO_REPLY_CODE {
      base CODE;
      description
        "CODE for ICMPv4 Echo Reply.";
    }

    identity ECHO_REPLY_NONE {
      base ECHO_REPLY_CODE;
      description
        "No code, type 0 for Echo Reply.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity DST_UNREACHABLE_CODE {
      base CODE;
      description
        "Codes for ICMPv4 Destination Unreachable.";
    }

    identity DST_UNREACHABLE_NET {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination network unreachable, code 0.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity DST_UNREACHABLE_HOST {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination host unreachable, code 1";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity DST_UNREACHABLE_PROTOCOL {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination protocol unreachable, code 2.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity DST_UNREACHABLE_PORT {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 Port unreachable, code 3.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity DST_UNREACHABLE_CANNOT_FRAGMENT {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination unreachable due to inability to fragment. The df-bit
is set but the packet requires fragmentation, code 4.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity DST_UNREACHABLE_SRC_ROUTE_FAILED {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination is unreachable as source routing failed, code 5.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity DST_UNREACHABLE_DST_NET_UNKNOWN {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination is unreachable as the destination network is
unknown, code 6.";
      reference
        "RFC1122: Requirements for Internet Hosts --
        Communication Layers";

    }

    identity DST_UNREACHABLE_DST_HOST_UNKNOWN {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination is unreachable as the destination host is unknown, code 7.";
      reference
        "RFC1122: Requirements for Internet Hosts --
        Communication Layers";

    }

    identity DST_UNREACHABLE_SRC_HOST_ISOLATED {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination unreachable as the source host is isolated, code 8.";
      reference
        "RFC1122: Requirements for Internet Hosts --
        Communication Layers";

    }

    identity DST_UNREACHABLE_DST_NET_ADMIN_PROHIBITED {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination is unreachable as communication with the destination
network is administratively prohibited, code 9.";
      reference
        "RFC1122: Requirements for Internet Hosts --
        Communication Layers";

    }

    identity DST_UNREACHABLE_DST_HOST_ADMIN_PROHIBITED {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination is unreachable as communication with the destination
host is adminstratively prohibited, code 10.";
      reference
        "RFC1122: Requirements for Internet Hosts --
        Communication Layers";

    }

    identity DST_UNREACHABLE_NET_UNREACHABLE_FOR_TOS {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination network is unreachable for the specified type of
service, code 11.";
      reference
        "RFC1122: Requirements for Internet Hosts --
        Communication Layers";

    }

    identity DST_UNREACHABLE_HOST_UNREACHABLE_FOR_TOS {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination host is unreachable for the specified type of
service, code 12.";
      reference
        "RFC1122: Requirements for Internet Hosts --
        Communication Layers";

    }

    identity DST_UNREACHABLE_ADMIN_PROHIBITED {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination is unreacable as packets were adminstratively
filtered.";
      reference
        "RFC1812: Requirements for IP Version 4 Routers";

    }

    identity DST_UNREACHABLE_HOST_PRECEDENCE_VIOLATION {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 destination is unreachable as the first-hop router has determined
that the destination cannot be reached for the specified source/
destination host, network, upper-layer protocol and source/destination
port. Code 14";
    }

    identity DST_UNREACHABLE_PRECEDENCE_CUTOFF {
      base DST_UNREACHABLE_CODE;
      description
        "ICMPv4 Precedence cutoff in effect.  The network operators have imposed
a minimum level of precedence required for operation, the
datagram was sent with a precedence below this level.
Code 15.";
      reference
        "RFC1812: Requirements for IP Version 4 Routers";

    }

    identity REDIRECT_CODE {
      base CODE;
      description
        "Codes for the ICMPv4 Redirect type.";
    }

    identity REDIRECT_NETWORK {
      base REDIRECT_CODE;
      description
        "ICMP redirect is being issued for the network or subnet,
code 0";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity REDIRECT_HOST {
      base REDIRECT_CODE;
      description
        "ICMP redirect is being issued for the host, code 1.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity REDIRECT_TOS_NETWORK {
      base REDIRECT_CODE;
      description
        "ICMP redirect is being issued for the network and type of service. code 2.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity REDIRECT_TOS_HOST {
      base REDIRECT_CODE;
      description
        "ICMP redirect is being issued for the host and type of service,
code 3";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity ECHO_CODE {
      base CODE;
      description
        "Codes for ICMPv4 echo messages.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity ECHO_NO_CODE {
      base ECHO_CODE;
      description "No code.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity ROUTER_ADVERTISEMENT_CODE {
      base CODE;
      description
        "Code for the ICMPv4 router advertisement message.";
    }

    identity ROUTER_ADVERTISEMENT_NORMAL {
      base ROUTER_ADVERTISEMENT_CODE;
      description
        "Code 0: Normal router advertisement.";
      reference
        "RFC3344: IP Mobility Support for IPv4";

    }

    identity ROUTER_ADVERTISEMENT_DOES_NOT_ROUTE_COMMON {
      base ROUTER_ADVERTISEMENT_CODE;
      description
        "Code 16: Does not route common traffic.";
      reference
        "RFC3344: IP Mobility Support for IPv4";

    }

    identity ROUTER_SELECTION_CODE {
      base CODE;
      description
        "Codes for the ICMPv4 router selection message.";
    }

    identity ROUTER_SELECTION_NO_CODE {
      base ROUTER_SELECTION_CODE;
      description "No code.";
      reference
        "RFC1256: ICMP Router Discovery Messages";

    }

    identity TIME_EXCEEDED_CODE {
      base CODE;
      description
        "Codes for the ICMPv4 time exceeded code.";
    }

    identity TIME_EXCEEDED_IN_TRANSIT {
      base TIME_EXCEEDED_CODE;
      description
        "Code 0: Time to Live exceeded in Transit.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity TIME_EXCEEDED_FRAGMENT_REASSEMBLY_IN_TRANSIT {
      base TIME_EXCEEDED_CODE;
      description
        "Code 1: Fragment reassembly time exceeded.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity PARAM_PROBLEM_CODE {
      base CODE;
      description
        "Codes for the ICMPv4 parameter problem message (Type 12).";
    }

    identity PARAM_PROBLEM_POINTER_INDICATES_ERR {
      base PARAM_PROBLEM_CODE;
      description
        "Code 0: Pointer indicates the error.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity PARAM_PROBLEM_MISSING_REQ_OPTION {
      base PARAM_PROBLEM_CODE;
      description
        "Code 1: Missing a required option.";
      reference
        "RFC1108: U.S. Department of Defense
        Security Options for the Internet Protocol";

    }

    identity PARAM_PROBLEM_BAD_LENGTH {
      base PARAM_PROBLEM_CODE;
      description "Code 2: Bad Length.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity TIMESTAMP_CODE {
      base CODE;
      description
        "Codes of the ICMPv4 timestamp message (Type 13).";
    }

    identity TIMESTAMP_NO_CODE {
      base TIMESTAMP_CODE;
      description "No code.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity TIMESTAMP_REPLY_CODE {
      base CODE;
      description
        "Codes of the ICMPv4 timestamp reply message (Type 14).";
    }

    identity TIMESTAMP_REPLY_NO_CODE {
      base TIMESTAMP_REPLY_CODE;
      description "No code.";
      reference
        "RFC792: INTERNET CONTROL MESSAGE PROTOCOL";

    }

    identity PHOTURIS_CODE {
      base CODE;
      description
        "Codes of the ICMPv4 Photuris message (type 40).";
    }

    identity PHOTURIS_BAD_SPI {
      base PHOTURIS_CODE;
      description "Code 0: Bad SPI.";
      reference
        "RFC2521: ICMP Security Failures Messages";

    }

    identity PHOTURIS_AUTH_FAILED {
      base PHOTURIS_CODE;
      description
        "Code 1: Authentication failed.";
      reference
        "RFC2521: ICMP Security Failures Messages";

    }

    identity PHOTURIS_DECOMPRESS_FAILED {
      base PHOTURIS_CODE;
      description
        "Code 2: Decompression failed.";
      reference
        "RFC2521: ICMP Security Failures Messages";

    }

    identity PHOTURIS_DECRYPTION_FAILED {
      base PHOTURIS_CODE;
      description
        "Code 3: Decryption failed.";
      reference
        "RFC2521: ICMP Security Failures Messages";

    }

    identity PHOTURIS_NEED_AUTHENTICATION {
      base PHOTURIS_CODE;
      description
        "Code 4: Need authentication.";
      reference
        "RFC2521: ICMP Security Failures Messages";

    }

    identity PHOTURIS_NEED_AUTHORIZATION {
      base PHOTURIS_CODE;
      description
        "Code 5: Need authorization.";
      reference
        "RFC2521: ICMP Security Failures Messages";

    }

    identity EXT_ECHO_REQUEST_CODE {
      base CODE;
      description
        "Codes of the extended echo request ICMP message.";
    }

    identity EXT_ECHO_REQUEST_NO_ERROR {
      base EXT_ECHO_REQUEST_CODE;
      description "Code 0: No error.";
      reference
        "RFC8335: PROBE: A Utility for Probing Interfaces";

    }

    identity EXT_ECHO_REPLY_CODE {
      base CODE;
      description
        "Codes of the extended echo reply ICMP message (Type 43).";
    }

    identity EXT_ECHO_REPLY_NO_ERROR {
      base EXT_ECHO_REPLY_CODE;
      description "Code 0: No error.";
      reference
        "RFC8335: PROBE: A Utility for Probing Interfaces";

    }

    identity EXT_ECHO_REPLY_MALFORMED_QUERY {
      base EXT_ECHO_REPLY_CODE;
      description "Code 1: Malformed query.";
      reference
        "RFC8335: PROBE: A Utility for Probing Interfaces";

    }

    identity EXT_ECHO_REPLY_NO_SUCH_INTF {
      base EXT_ECHO_REPLY_CODE;
      description
        "Code 2: No such interface.";
      reference
        "RFC8335: PROBE: A Utility for Probing Interfaces";

    }

    identity EXT_ECHO_REPLY_NO_SUB_TABLE_ENTRY {
      base EXT_ECHO_REPLY_CODE;
      description
        "Code 3: No such table entry.";
      reference
        "RFC8335: PROBE: A Utility for Probing Interfaces";

    }

    identity EXT_ECHO_REPLY_MULTIPLE_INTF_SATISFY_QUERY {
      base EXT_ECHO_REPLY_CODE;
      description
        "Code 4: Multiple interfaces satisfy query.";
      reference
        "RFC8335: PROBE: A Utility for Probing Interfaces";

    }
  }  // module openconfig-icmpv4-types