From 37859ee69da3e78a85d741de5c20edf227c548bb Mon Sep 17 00:00:00 2001
From: Viacheslav Hletenko <v.gletenko@vyos.io>
Date: Thu, 28 Nov 2024 13:44:46 +0200
Subject: T6906: IPoE-server add start-session option (#4206)

Add the abbility to start IPoE session by unclassified-packet.
It allows the cases when subscriber configures the address manually
(static) and accel-ppp can start session on any packet.
By default start session on DHCPv4 Discover packet.

set service ipoe-server interface eth1 start-session unclassified-packet
---
 data/templates/accel-ppp/ipoe.config.j2          |  4 +++-
 interface-definitions/service_ipoe-server.xml.in | 24 ++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/data/templates/accel-ppp/ipoe.config.j2 b/data/templates/accel-ppp/ipoe.config.j2
index a10dcf2c1..34dfa529a 100644
--- a/data/templates/accel-ppp/ipoe.config.j2
+++ b/data/templates/accel-ppp/ipoe.config.j2
@@ -59,7 +59,9 @@ lua-file={{ lua_file }}
 {%         set relay = ',' ~ 'relay=' ~ iface_config.external_dhcp.dhcp_relay  if iface_config.external_dhcp.dhcp_relay is vyos_defined else '' %}
 {%         set giaddr = ',' ~ 'giaddr=' ~ iface_config.external_dhcp.giaddr if iface_config.external_dhcp.giaddr is vyos_defined else '' %}
 {%         set username = ',' ~ 'username=lua:' ~ iface_config.lua_username if iface_config.lua_username is vyos_defined else '' %}
-{{ tmp }},{{ shared }}mode={{ iface_config.mode | upper }},ifcfg=1,{{ range }}start=dhcpv4,ipv6=1{{ relay }}{{ giaddr }}{{ username }}
+{%         set start_map = {'dhcp': 'dhcpv4', 'unclassified-packet': 'up', 'auto': 'auto'} %}
+{%         set start = start_map[iface_config.start_session] %}
+{{ tmp }},{{ shared }}mode={{ iface_config.mode | upper }},ifcfg=1,{{ range }}start={{ start }},ipv6=1{{ relay }}{{ giaddr }}{{ username }}
 {%         if iface_config.vlan_mon is vyos_defined %}
 vlan-mon={{ iface }},{{ iface_config.vlan | join(',') }}
 {%         endif %}
diff --git a/interface-definitions/service_ipoe-server.xml.in b/interface-definitions/service_ipoe-server.xml.in
index 27a654f92..39cfb7889 100644
--- a/interface-definitions/service_ipoe-server.xml.in
+++ b/interface-definitions/service_ipoe-server.xml.in
@@ -131,6 +131,30 @@
                 </properties>
                 <defaultValue>shared</defaultValue>
               </leafNode>
+              <leafNode name="start-session">
+                <properties>
+                  <help>Start session options</help>
+                  <completionHelp>
+                    <list>auto dhcp unclassified-packet</list>
+                  </completionHelp>
+                  <valueHelp>
+                    <format>auto</format>
+                    <description>Start session with username as the interface name</description>
+                  </valueHelp>
+                  <valueHelp>
+                    <format>dhcp</format>
+                    <description>Start session on DHCPv4 Discover</description>
+                  </valueHelp>
+                  <valueHelp>
+                    <format>unclassified-packet</format>
+                    <description>Start session on unclassified-packet</description>
+                  </valueHelp>
+                  <constraint>
+                    <regex>(auto|dhcp|unclassified-packet)</regex>
+                  </constraint>
+                </properties>
+                <defaultValue>dhcp</defaultValue>
+              </leafNode>
               <leafNode name="client-subnet">
                 <properties>
                   <help>Client address pool</help>
-- 
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