From 7a2b70bd73c8579a885348b93b8addfb20fb006c Mon Sep 17 00:00:00 2001
From: Cheeze_It <none@none.com>
Date: Thu, 31 Aug 2023 12:16:29 -0600
Subject: T5530: isis: Adding loop free alternate feature

---
 .../include/isis/level-1-2-leaf.xml.i              |  13 +++
 interface-definitions/include/isis/lfa-local.xml.i | 128 +++++++++++++++++++++
 .../include/isis/lfa-protocol.xml.i                |  11 ++
 .../include/isis/lfa-remote.xml.i                  |  28 +++++
 .../include/isis/protocol-common-config.xml.i      |   8 ++
 5 files changed, 188 insertions(+)
 create mode 100644 interface-definitions/include/isis/level-1-2-leaf.xml.i
 create mode 100644 interface-definitions/include/isis/lfa-local.xml.i
 create mode 100644 interface-definitions/include/isis/lfa-protocol.xml.i
 create mode 100644 interface-definitions/include/isis/lfa-remote.xml.i

(limited to 'interface-definitions/include')

diff --git a/interface-definitions/include/isis/level-1-2-leaf.xml.i b/interface-definitions/include/isis/level-1-2-leaf.xml.i
new file mode 100644
index 000000000..3703da1ed
--- /dev/null
+++ b/interface-definitions/include/isis/level-1-2-leaf.xml.i
@@ -0,0 +1,13 @@
+<!-- include start from isis/level-1-2-leaf.xml.i -->
+<leafNode name="level-1">
+  <properties>
+    <help>Match on IS-IS level-1 routes</help>
+    <valueless/>
+  </properties>
+</leafNode>
+<leafNode name="level-2">
+  <properties>
+    <help>Match on IS-IS level-2 routes</help>
+    <valueless/>
+  </properties>
+</leafNode>
\ No newline at end of file
diff --git a/interface-definitions/include/isis/lfa-local.xml.i b/interface-definitions/include/isis/lfa-local.xml.i
new file mode 100644
index 000000000..c5bf6a3eb
--- /dev/null
+++ b/interface-definitions/include/isis/lfa-local.xml.i
@@ -0,0 +1,128 @@
+<!-- include start from isis/lfa-local.xml.i -->
+<node name="local">
+  <properties>
+    <help>Local loop free alternate options</help>
+  </properties>
+  <children>
+    <node name="load-sharing">
+      <properties>
+        <help>Load share prefixes across multiple backups</help>
+      </properties>
+      <children>
+        <node name="disable">
+          <properties>
+            <help>Disable load sharing</help>
+          </properties>
+          <children>
+            #include <include/isis/level-1-2-leaf.xml.i>
+          </children>
+        </node>
+      </children>
+    </node>
+    <node name="priority-limit">
+      <properties>
+        <help>Limit backup computation up to the prefix priority</help>
+      </properties>
+      <children>
+        <node name="medium">
+          <properties>
+            <help>Compute for critical, high, and medium priority prefixes</help>
+          </properties>
+          <children>
+            #include <include/isis/level-1-2-leaf.xml.i>
+          </children>
+        </node>
+        <node name="high">
+          <properties>
+            <help>Compute for critical, and high priority prefixes</help>
+          </properties>
+          <children>
+            #include <include/isis/level-1-2-leaf.xml.i>
+          </children>
+        </node>
+        <node name="critical">
+          <properties>
+            <help>Compute for critical priority prefixes only</help>
+          </properties>
+          <children>
+            #include <include/isis/level-1-2-leaf.xml.i>
+          </children>
+        </node>
+      </children>
+    </node>
+    <node name="tiebreaker">
+      <properties>
+        <help>Configure tiebreaker for multiple backups</help>
+      </properties>
+      <children>
+        <node name="downstream">
+          <properties>
+            <help>Prefer backup path via downstream node</help>
+          </properties>
+          <children>
+            <tagNode name="index">
+              <properties>
+                <help>Set preference order among tiebreakers</help>
+                <valueHelp>
+                  <format>u32:1-255</format>
+                    <description>The index integer value</description>
+                </valueHelp>
+                <constraint>
+                  <validator name="numeric" argument="--range 1-255"/>
+                </constraint>
+              </properties>
+              <children>
+                #include <include/isis/level-1-2-leaf.xml.i>
+              </children>
+            </tagNode>
+          </children>
+        </node>
+        <node name="lowest-backup-metric">
+          <properties>
+            <help>Prefer backup path with lowest total metric</help>
+          </properties>
+          <children>
+            <tagNode name="index">
+              <properties>
+                <help>Set preference order among tiebreakers</help>
+                <valueHelp>
+                  <format>u32:1-255</format>
+                    <description>The index integer value</description>
+                </valueHelp>
+                <constraint>
+                  <validator name="numeric" argument="--range 1-255"/>
+                </constraint>
+              </properties>
+              <children>
+                #include <include/isis/level-1-2-leaf.xml.i>
+              </children>
+            </tagNode>
+          </children>
+        </node>
+        <node name="node-protecting">
+          <properties>
+            <help>Prefer node protecting backup path</help>
+          </properties>
+          <children>
+            <tagNode name="index">
+              <properties>
+                <help>Set preference order among tiebreakers</help>
+                <valueHelp>
+                  <format>u32:1-255</format>
+                    <description>The index integer value</description>
+                </valueHelp>
+                <constraint>
+                  <validator name="numeric" argument="--range 1-255"/>
+                </constraint>
+              </properties>
+              <children>
+                #include <include/isis/level-1-2-leaf.xml.i>
+              </children>
+            </tagNode>
+          </children>
+        </node>
+      </children>
+    </node>
+  </children>
+</node>
+<!-- include end -->
\ No newline at end of file
diff --git a/interface-definitions/include/isis/lfa-protocol.xml.i b/interface-definitions/include/isis/lfa-protocol.xml.i
new file mode 100644
index 000000000..cfb1a6dc1
--- /dev/null
+++ b/interface-definitions/include/isis/lfa-protocol.xml.i
@@ -0,0 +1,11 @@
+<!-- include start from isis/lfa-protocol.xml.i -->
+<node name="lfa">
+  <properties>
+    <help>Loop free alternate functionality</help>
+  </properties>
+  <children>
+    #include <include/isis/lfa-remote.xml.i>
+    #include <include/isis/lfa-local.xml.i>
+  </children>
+</node>
+<!-- include end -->
\ No newline at end of file
diff --git a/interface-definitions/include/isis/lfa-remote.xml.i b/interface-definitions/include/isis/lfa-remote.xml.i
new file mode 100644
index 000000000..8434e35bf
--- /dev/null
+++ b/interface-definitions/include/isis/lfa-remote.xml.i
@@ -0,0 +1,28 @@
+<!-- include start from isis/lfa-remote.xml.i -->
+<node name="remote">
+  <properties>
+    <help>Remote loop free alternate options</help>
+  </properties>
+  <children>
+    <tagNode name="prefix-list">
+      <properties>
+        <help>Filter PQ node router ID based on prefix list</help>
+        <completionHelp>
+          <path>policy prefix-list</path>
+        </completionHelp>
+        <valueHelp>
+          <format>txt</format>
+          <description>Name of IPv4/IPv6 prefix-list</description>
+        </valueHelp>
+        <constraint>
+          #include <include/constraint/alpha-numeric-hyphen-underscore.xml.i>
+        </constraint>
+        <constraintErrorMessage>Name of prefix-list can only contain alpha-numeric letters, hyphen and underscores</constraintErrorMessage>
+      </properties>
+      <children>
+        #include <include/isis/level-1-2-leaf.xml.i>
+      </children>
+    </tagNode>
+  </children>
+</node>
+<!-- include end -->
\ No newline at end of file
diff --git a/interface-definitions/include/isis/protocol-common-config.xml.i b/interface-definitions/include/isis/protocol-common-config.xml.i
index 4ca7061db..87b9d552f 100644
--- a/interface-definitions/include/isis/protocol-common-config.xml.i
+++ b/interface-definitions/include/isis/protocol-common-config.xml.i
@@ -153,6 +153,14 @@
   </properties>
 </leafNode>
 #include <include/isis/ldp-sync-protocol.xml.i>
+<node name="fast-reroute">
+  <properties>
+    <help>IS-IS fast reroute configuration</help>
+  </properties>
+  <children>
+    #include <include/isis/lfa-protocol.xml.i>
+  </children>
+</node>
 <leafNode name="net">
   <properties>
     <help>A Network Entity Title for this process (ISO only)</help>
-- 
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