Add support for RA configuration

Includes:

* ietf-routing model augmentation that addresses
  VPP specific RA options (HC2VPP-64)
* writers for RA cfg (HC2VPP-65)

Change-Id: Iea523caaddcf03e38c8e5e7c586f1606a44d335b
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

1 files changed, 103 insertions, 0 deletions

diff --git a/routing/routing-api/src/main/yang/vpp-routing-ra.yang b/routing/routing-api/src/main/yang/vpp-routing-ra.yang
new file mode 100644
index 000000000..5bea1db9c
--- /dev/null
+++ b/routing/routing-api/src/main/yang/vpp-routing-ra.yang
@@ -0,0 +1,103 @@
+module vpp-routing-ra {
+
+    namespace "urn:ietf:params:xml:ns:yang:vpp-routing";
+    prefix "vpp-routing";
+    description "General extensions for routing advertisments message configuration provided by VPP APIs";
+
+    revision 2017-03-15 {
+        description "Initial revision.";
+    }
+
+    import yang-ext {
+        prefix "ext";
+    }
+
+    import hc2vpp-ietf-routing {
+        prefix "ietf-r";
+    }
+
+    import hc2vpp-ietf-ipv6-unicast-routing {
+        prefix "v6ur";
+    }
+
+    grouping ipv6-router-advertisements-vpp-attributes {
+        leaf suppress-link-layer {
+            type boolean;
+            default false;
+            description
+                "Dicates not to include the optional source link-layer address
+                 in the ICMPv6 router-advertisement messages.";
+        }
+        leaf send-unicast {
+            type boolean;
+            default false;
+            description
+                "Use the source address of the router-solicitation message if availiable.";
+        }
+        leaf cease {
+            type boolean;
+            default false;
+            description
+                "Cease sending ICMPv6 router-advertisement messages.";
+        }
+        leaf initial-count {
+            type uint8 {
+                range "1..3";
+            }
+            default 3;
+            description
+                "Number of initial ICMPv6 router-advertisement messages sent.";
+        }
+        leaf initial-interval {
+            type uint8 {
+                range "1..16";
+            }
+            units "seconds";
+            default 16;
+            description
+                "Interval between initial ICMPv6 router-advertisement messages.";
+        }
+
+        description
+            "VPP specific configuration of RA messages. Mapped to sw_interface_ip6nd_ra_config API:
+             https://git.fd.io/vpp/tree/src/vnet/ip/ip.api#n196";
+
+        reference
+            "https://docs.fd.io/vpp/17.04/clicmd_src_vnet_ip.html#clicmd_ip6_nd";
+    }
+
+    grouping control-adv-prefixes-vpp-attributes {
+        leaf advertise-router-address {
+            type boolean;
+            default true;
+            description
+                "Send full router address in prefix advertisement.";
+        }
+        leaf vpp-default {
+            type boolean;
+            default false;
+            description
+                "Use VPP default values for prefix advertisment.";
+        }
+
+        description
+            "VPP specific configuration of prefixes in RA messages. Mapped to sw_interface_ip6nd_ra_prefix API:
+             https://git.fd.io/vpp/tree/src/vnet/ip/ip.api#n243";
+
+        reference
+            "https://docs.fd.io/vpp/17.04/clicmd_src_vnet_ip.html#clicmd_ip6_nd";
+    }
+
+    augment "/ietf-r:routing/ietf-r:routing-instance/ietf-r:interfaces/ietf-r:interface/"
+            + "v6ur:ipv6-router-advertisements" {
+        ext:augment-identifier "ipv6-router-advertisements-vpp-augmentation";
+        uses ipv6-router-advertisements-vpp-attributes;
+    }
+
+    augment "/ietf-r:routing/ietf-r:routing-instance/ietf-r:interfaces/ietf-r:interface/"
+            + "v6ur:ipv6-router-advertisements/v6ur:prefix-list/v6ur:prefix" {
+        // TODO control-adv-prefixes/advertise case should be target node (change after yangtools issues are solved)
+        ext:augment-identifier "control-adv-prefixes-vpp-augmentation";
+        uses control-adv-prefixes-vpp-attributes;
+    }
+}
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