bgp: T591: add SRv6 support from FRR

set protocols bgp sid vpn per-vrf export '99'
set protocols bgp srv6 locator 'foo'
set protocols bgp system-as '100'

Will generate in FRR config

router bgp 100
 no bgp ebgp-requires-policy
 no bgp default ipv4-unicast
 no bgp network import-check
 !
 segment-routing srv6
  locator foo
 exit
 sid vpn per-vrf export 99
exit

(cherry picked from commit af46fe54e56cf85d13b62ee771bec3d80f225ac5)

3 files changed, 62 insertions, 2 deletions

diff --git a/interface-definitions/include/bgp/protocol-common-config.xml.i b/interface-definitions/include/bgp/protocol-common-config.xml.i
index 4e43298bc..c379ba95c 100644
--- a/interface-definitions/include/bgp/protocol-common-config.xml.i
+++ b/interface-definitions/include/bgp/protocol-common-config.xml.i
@@ -1639,6 +1639,66 @@
     #include <include/port-number.xml.i>
   </children>
 </tagNode>
+<node name="srv6">
+  <properties>
+    <help>Segment-Routing SRv6 configuration</help>
+  </properties>
+  <children>
+    <leafNode name="locator">
+      <properties>
+        <help>Specify SRv6 locator</help>
+        <valueHelp>
+          <format>txt</format>
+          <description>SRv6 locator name</description>
+        </valueHelp>
+        <constraint>
+          #include <include/constraint/alpha-numeric-hyphen-underscore.xml.i>
+        </constraint>
+      </properties>
+    </leafNode>
+  </children>
+</node>
+<node name="sid">
+  <properties>
+    <help>SID value for VRF</help>
+  </properties>
+  <children>
+    <node name="vpn">
+      <properties>
+        <help>Between current VRF and VPN</help>
+      </properties>
+      <children>
+        <node name="per-vrf">
+          <properties>
+            <help>SID per-VRF (both IPv4 and IPv6 address families)</help>
+          </properties>
+          <children>
+            <leafNode name="export">
+              <properties>
+                <help>For routes leaked from current VRF to VPN</help>
+                <completionHelp>
+                  <list>auto</list>
+                </completionHelp>
+                <valueHelp>
+                  <format>u32:1-1048575</format>
+                  <description>SID allocation index</description>
+                </valueHelp>
+                <valueHelp>
+                  <format>auto</format>
+                  <description>Automatically assign a label</description>
+                </valueHelp>
+                <constraint>
+                  <regex>auto</regex>
+                  <validator name="numeric" argument="--range 1-1048575"/>
+                </constraint>
+              </properties>
+            </leafNode>
+          </children>
+        </node>
+      </children>
+    </node>
+  </children>
+</node>
 <node name="timers">
   <properties>
     <help>BGP protocol timers</help>
diff --git a/interface-definitions/include/constraint/alpha-numeric-hyphen-underscore.xml.i b/interface-definitions/include/constraint/alpha-numeric-hyphen-underscore.xml.i
index ba097c6b5..399f2e1da 100644
--- a/interface-definitions/include/constraint/alpha-numeric-hyphen-underscore.xml.i
+++ b/interface-definitions/include/constraint/alpha-numeric-hyphen-underscore.xml.i
@@ -1,3 +1,3 @@
-<!-- include start from include/constraint/alpha-numeric-hyphen-underscore.xml.i -->
+<!-- include start from constraint/alpha-numeric-hyphen-underscore.xml.i -->
 <regex>[-_a-zA-Z0-9]+</regex>
 <!-- include end -->
diff --git a/interface-definitions/include/constraint/dhcp-client-string-option.xml.i b/interface-definitions/include/constraint/dhcp-client-string-option.xml.i
index 76e0e5466..88257a9bb 100644
--- a/interface-definitions/include/constraint/dhcp-client-string-option.xml.i
+++ b/interface-definitions/include/constraint/dhcp-client-string-option.xml.i
@@ -1,4 +1,4 @@
-<!-- include start from include/constraint/dhcp-client-string-option.xml.i -->
+<!-- include start from constraint/dhcp-client-string-option.xml.i -->
 <regex>[-_a-zA-Z0-9\s]+</regex>
 <regex>([a-fA-F0-9][a-fA-F0-9]:){2,}[a-fA-F0-9][a-fA-F0-9]</regex>
 <!-- include end -->