From a4cf50f68bdcfd14cfcb51b2ff3f4058c1a0f5c6 Mon Sep 17 00:00:00 2001
From: Indrajit Raychaudhuri <irc@indrajit.com>
Date: Thu, 14 May 2026 06:39:39 -0500
Subject: dhcpv6: T8849: Add time-zone support for Kea DHCPv6 (#5190)

* dhcpv6: T8849: Add time-zone support for Kea DHCPv6

Add DHCPv6 option support for time zone (RFC4833 options
41 and 42). This includes both the POSIX-style TZ string
(`new-posix-timezone`) and the IANA time zone name
(`new-tzdb-timezone`).

* dhcpv6: T8849: Refactor per code-review suggestion

* dhcpv6: T8849: Reformat for compliance
---
 interface-definitions/include/dhcp/option-v6.xml.i | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'interface-definitions/include')

diff --git a/interface-definitions/include/dhcp/option-v6.xml.i b/interface-definitions/include/dhcp/option-v6.xml.i
index 202843ddf..c97d652b6 100644
--- a/interface-definitions/include/dhcp/option-v6.xml.i
+++ b/interface-definitions/include/dhcp/option-v6.xml.i
@@ -102,6 +102,17 @@
       </constraint>
       </properties>
     </leafNode>
+    <leafNode name="time-zone">
+      <properties>
+        <help>Time zone to send to clients. Uses RFC4833 options 41 and 42</help>
+        <completionHelp>
+          <script>timedatectl list-timezones</script>
+        </completionHelp>
+        <constraint>
+          <validator name="timezone" argument="--validate"/>
+        </constraint>
+      </properties>
+    </leafNode>
     <node name="vendor-option">
       <properties>
         <help>Vendor Specific Options</help>
-- 
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