From 892c28ccf634173d4c4952c248cb03974c560793 Mon Sep 17 00:00:00 2001
From: Christian Breunig <christian@breunig.cc>
Date: Fri, 15 Dec 2023 07:25:39 +0100
Subject: frr: T4020: add option to define number of open file descriptors

This allows the operator to control the number of open file descriptors each
daemon is allowed to start with. The current assumed value on most operating
systems is 1024.

If the operator plans to run bgp with several thousands of peers then this is
where we would modify FRR to allow this to happen.

set system frr descriptors <n>
---
 interface-definitions/system-frr.xml.in | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'interface-definitions')

diff --git a/interface-definitions/system-frr.xml.in b/interface-definitions/system-frr.xml.in
index 9fe23ed75..76001b392 100644
--- a/interface-definitions/system-frr.xml.in
+++ b/interface-definitions/system-frr.xml.in
@@ -15,6 +15,20 @@
               <valueless/>
             </properties>
           </leafNode>
+          <leafNode name="descriptors">
+            <properties>
+              <help>Number of open file descriptors a process is allowed to use</help>
+              <valueHelp>
+                <format>u32:1024-8192</format>
+                <description>Number of file descriptors</description>
+              </valueHelp>
+              <constraint>
+                <validator name="numeric" argument="--range 1024-8192"/>
+              </constraint>
+              <constraintErrorMessage>Port number must be in range 1024 to 8192</constraintErrorMessage>
+            </properties>
+            <defaultValue>1024</defaultValue>
+          </leafNode>
           <leafNode name="irdp">
             <properties>
               <help>Enable ICMP Router Discovery Protocol support</help>
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