From: David Härdeman <redacted>
Date: Sun, 30 Nov 2025 15:47:48 +0000 (+0100)
Subject: luci-mod-network: add IPv6-only preferred option
X-Git-Url: http://git.99rst.org/?a=commitdiff_plain;h=61e81c1b53a2f92086879752430ffc787659a879;p=openwrt-luci.git

luci-mod-network: add IPv6-only preferred option

This adds support for the IPv6-only preferred (RFC8925) option to LuCI.

The option is supported by odhcpd since commit
338ca8abb950e4e0448a13d50d6d6567a167d016

Signed-off-by: David Härdeman <redacted>
---

diff --git a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js
index 44fc0df706..e9fe9d74d1 100644
--- a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js
+++ b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js
@@ -746,6 +746,13 @@ return view.extend({
 								 _('Do not provide DHCPv4 services on this interface.'));
 							so.value('server', _('enabled'),
 								 _('Provide DHCPv4 services on this interface.'));
+
+							so = ss.taboption('ipv4', form.Value, 'ipv6_only_preferred', _('IPv6-Only Preferred'),
+								_('Specifies how often (in seconds) clients should check whether IPv6-only mode is still preferred (see %s, odhcpd only).')
+								.format('<a href="%s" target="_blank">RFC8925</a>').format('https://www.rfc-editor.org/rfc/rfc8925'));
+							so.optional = true;
+							so.datatype = 'or(0, range(300,86400))';
+							so.default = '0';
 						}
 
 						so = ss.taboption('ipv4', form.Value, 'start', _('Start', 'DHCP IP range start address'), _('Lowest leased address as offset from the network address.'));