From 47645f9d0243ce48a473ab7f8cdbd22c19f69f28 Mon Sep 17 00:00:00 2001
From: Viacheslav Hletenko <v.gletenko@vyos.io>
Date: Thu, 2 Nov 2023 13:58:48 +0000
Subject: T5704: PPPoE L2TP SSTP IPoE add option max-concurrent-sessions

Add `max-starting` option:

  [common]
  max-starting=N

Specifies maximum concurrent session attempts which server may processed

  set service pppoe-server max-concurrent-sessions '30'

Useful to prevent high CPU utilization and compat execution
scripts per time.
---
 .../include/accel-ppp/max-concurrent-sessions.xml.i       | 15 +++++++++++++++
 interface-definitions/service-ipoe-server.xml.in          |  1 +
 interface-definitions/service-pppoe-server.xml.in         |  1 +
 interface-definitions/vpn-l2tp.xml.in                     |  1 +
 interface-definitions/vpn-pptp.xml.in                     |  1 +
 interface-definitions/vpn-sstp.xml.in                     |  1 +
 6 files changed, 20 insertions(+)
 create mode 100644 interface-definitions/include/accel-ppp/max-concurrent-sessions.xml.i

(limited to 'interface-definitions')

diff --git a/interface-definitions/include/accel-ppp/max-concurrent-sessions.xml.i b/interface-definitions/include/accel-ppp/max-concurrent-sessions.xml.i
new file mode 100644
index 000000000..f6ef41019
--- /dev/null
+++ b/interface-definitions/include/accel-ppp/max-concurrent-sessions.xml.i
@@ -0,0 +1,15 @@
+<!-- include start from accel-ppp/max-concurrent-sessions.xml.i -->
+<leafNode name="max-concurrent-sessions">
+  <properties>
+    <help>Maximum number of concurrent session start attempts</help>
+    <valueHelp>
+      <format>u32:0-65535</format>
+      <description>Maximum number of concurrent session start attempts</description>
+    </valueHelp>
+    <constraint>
+      <validator name="numeric" argument="--allow-range --range 0-65535"/>
+    </constraint>
+    <constraintErrorMessage>Maximum concurent sessions must be in range 0-65535</constraintErrorMessage>
+  </properties>
+</leafNode>
+<!-- include end -->
diff --git a/interface-definitions/service-ipoe-server.xml.in b/interface-definitions/service-ipoe-server.xml.in
index b6e6503d3..9ac0c8fdf 100644
--- a/interface-definitions/service-ipoe-server.xml.in
+++ b/interface-definitions/service-ipoe-server.xml.in
@@ -102,6 +102,7 @@
               #include <include/accel-ppp/vlan.xml.i>
             </children>
           </tagNode>
+          #include <include/accel-ppp/max-concurrent-sessions.xml.i>
           #include <include/name-server-ipv4-ipv6.xml.i>
           <node name="client-ip-pool">
             <properties>
diff --git a/interface-definitions/service-pppoe-server.xml.in b/interface-definitions/service-pppoe-server.xml.in
index 022ac2885..44b689fe1 100644
--- a/interface-definitions/service-pppoe-server.xml.in
+++ b/interface-definitions/service-pppoe-server.xml.in
@@ -73,6 +73,7 @@
             </children>
           </tagNode>
           #include <include/accel-ppp/gateway-address.xml.i>
+          #include <include/accel-ppp/max-concurrent-sessions.xml.i>
           #include <include/accel-ppp/mtu-128-16384.xml.i>
           <node name="limits">
             <properties>
diff --git a/interface-definitions/vpn-l2tp.xml.in b/interface-definitions/vpn-l2tp.xml.in
index ee0edc3e3..60a1d323b 100644
--- a/interface-definitions/vpn-l2tp.xml.in
+++ b/interface-definitions/vpn-l2tp.xml.in
@@ -13,6 +13,7 @@
               <help>Remote access L2TP VPN</help>
             </properties>
             <children>
+              #include <include/accel-ppp/max-concurrent-sessions.xml.i>
               #include <include/accel-ppp/mtu-128-16384.xml.i>
               <leafNode name="outside-address">
                 <properties>
diff --git a/interface-definitions/vpn-pptp.xml.in b/interface-definitions/vpn-pptp.xml.in
index 5a8b4a78a..964c4d21e 100644
--- a/interface-definitions/vpn-pptp.xml.in
+++ b/interface-definitions/vpn-pptp.xml.in
@@ -13,6 +13,7 @@
               <help>Remote access PPTP VPN</help>
             </properties>
             <children>
+              #include <include/accel-ppp/max-concurrent-sessions.xml.i>
               #include <include/accel-ppp/mtu-128-16384.xml.i>
               <leafNode name="outside-address">
                 <properties>
diff --git a/interface-definitions/vpn-sstp.xml.in b/interface-definitions/vpn-sstp.xml.in
index 9e912063f..9c818ba60 100644
--- a/interface-definitions/vpn-sstp.xml.in
+++ b/interface-definitions/vpn-sstp.xml.in
@@ -25,6 +25,7 @@
               </node>
             </children>
           </node>
+          #include <include/accel-ppp/max-concurrent-sessions.xml.i>
           #include <include/interface/mtu-68-1500.xml.i>
           #include <include/accel-ppp/gateway-address.xml.i>
           #include <include/name-server-ipv4-ipv6.xml.i>
-- 
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