module openconfig-bgp-policy {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/bgp-policy";

    prefix oc-bgp-pol;

    import openconfig-inet-types {
      prefix oc-inet;
    }
    import openconfig-routing-policy {
      prefix oc-rpol;
    }
    import openconfig-policy-types {
      prefix oc-pol-types;
    }
    import openconfig-bgp-types {
      prefix oc-bgp-types;
    }
    import openconfig-extensions {
      prefix oc-ext;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
    netopenconfig@googlegroups.com";

    description
      "This module contains data definitions for BGP routing policy.
    It augments the base routing-policy module with BGP-specific
    options for conditions and actions.";

    revision "2022-05-24" {
      description
        "Remove module extension oc-ext:regexp-posix by making pattern regexes
      conform to RFC6020/RFC7950.

      Types impacted:
      - bgp-set-med-type";
      reference
        "6.1.0";

    }

    revision "2020-06-30" {
      description
        "Add OpenConfig POSIX pattern extensions.";
      reference
        "6.0.2";

    }

    revision "2019-11-28" {
      description
        "Fix quotes on literals in when statements";
      reference
        "6.0.1";

    }

    revision "2019-02-01" {
      description
        "Move BGP community match-set-options from
      policy-definitions/statements/.../bgp-conditions to
      defined-sets/bgp-defined-sets/community-set for wider platform
      support.";
      reference
        "6.0.0";

    }

    revision "2018-11-21" {
      description
        "Add OpenConfig module metadata extensions.";
      reference
        "5.0.2";

    }

    revision "2018-08-20" {
      description
        "Correct description of AFI-SAFI enabled leaf.";
      reference
        "5.0.1";

    }

    revision "2018-04-11" {
      description
        "Correct naming of BGP maximum prefix warning percentage leaf.";
      reference
        "5.0.0";

    }

    revision "2018-03-20" {
      description "Added SR-TE policy SAFI";
      reference
        "4.1.0";

    }

    revision "2017-07-10" {
      description
        "Add error notifications; moved add-paths config; add AS
      prepend policy features; removed unneeded config leaves";
      reference
        "4.0.0";

    }

    revision "2017-02-02" {
      description
        "Bugfix to remove remaining global-level policy data";
      reference
        "3.0.1";

    }

    revision "2017-01-26" {
      description
        "Add dynamic neighbor support, migrate to OpenConfig types";
      reference
        "3.0.0";

    }

    revision "2016-06-21" {
      description "OpenConfig BGP refactor";
      reference
        "2.1.1";

    }

    oc-ext:openconfig-version "6.1.0";
    oc-ext:catalog-organization "openconfig";
    oc-ext:origin "openconfig";

    typedef bgp-set-community-option-type {
      type enumeration {
        enum "ADD" {
          value 0;
          description
            "add the specified communities to the existing
          community attribute";
        }
        enum "REMOVE" {
          value 1;
          description
            "remove the specified communities from the
          existing community attribute";
        }
        enum "REPLACE" {
          value 2;
          description
            "replace the existing community attribute with
          the specified communities. If an empty set is
          specified, this removes the community attribute
          from the route.";
        }
      }
      description
        "Type definition for options when setting the community
      attribute in a policy action";
    }

    typedef bgp-next-hop-type {
      type union {
        type oc-inet:ip-address;
        type enumeration {
          enum "SELF" {
            value 0;
            description
              "special designation for local router's own
          address, i.e., next-hop-self";
          }
        }
      }
      description
        "type definition for specifying next-hop in policy actions";
    }

    typedef bgp-set-med-type {
      type union {
        type uint32;
        type string {
          oc-ext:posix-pattern "^[+-][0-9]+$";
          pattern '[+-][0-9]+';
        }
        type enumeration {
          enum "IGP" {
            value 0;
            description
              "set the MED value to the IGP cost toward the
          next hop for the route";
          }
        }
      }
      description
        "Type definition for specifying how the BGP MED can
      be set in BGP policy actions. The three choices are to set
      the MED directly, increment/decrement using +/- notation,
      and setting it to the IGP cost (predefined value).";
    }
  }  // module openconfig-bgp-policy