From 9425dce22f1bc8393d5ea6b2ae39b4ef70b7fa50 Mon Sep 17 00:00:00 2001
From: Viacheslav Hletenko <v.gletenko@vyos.io>
Date: Fri, 24 Jan 2025 15:26:27 +0000
Subject: GRE: Add ability to configure multipoint mode

Add ability to configure multipoint mode.
Remote IP address in this case has to be 0.0.0.0
Only one tunnel with the same source IP is allowed in the
point-to-multipoint mode

set vpp interfaces gre gre0 mode 'point-to-multipoint'
set vpp interfaces gre gre0 remote '0.0.0.0'
set vpp interfaces gre gre0 source-address '192.0.2.1'
---
 interface-definitions/vpp.xml.in | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'interface-definitions')

diff --git a/interface-definitions/vpp.xml.in b/interface-definitions/vpp.xml.in
index c946839db..e3a2f9aff 100644
--- a/interface-definitions/vpp.xml.in
+++ b/interface-definitions/vpp.xml.in
@@ -180,6 +180,27 @@
               </valueHelp>
             </properties>
             <children>
+              <leafNode name="mode">
+                <properties>
+                  <help>GRE tunnel mode</help>
+                  <completionHelp>
+                    <list>point-to-point point-to-multipoint</list>
+                  </completionHelp>
+                  <valueHelp>
+                    <format>point-to-point</format>
+                    <description>Point to point mode</description>
+                  </valueHelp>
+                  <valueHelp>
+                    <format>point-to-multipoint</format>
+                    <description>Point to multipoint mode</description>
+                  </valueHelp>
+                  <constraint>
+                    <regex>(point-to-point|point-to-multipoint)</regex>
+                  </constraint>
+                  <constraintErrorMessage>Invalid mode, must be one of: point-to-point or point-to-multipoint</constraintErrorMessage>
+                </properties>
+                <defaultValue>point-to-point</defaultValue>
+              </leafNode>
               <leafNode name="tunnel-type">
                 <properties>
                   <help>GRE tunnel type</help>
-- 
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