From 6cfb5c2ca4c4d5cea13b0e90a4d7bd6492091d7d Mon Sep 17 00:00:00 2001
From: Christian Mauderer <Christian.Mauderer@embedded-brains.de>
Date: Mon, 8 Aug 2016 16:11:21 +0200
Subject: pf: Improve documentation regarding stack.

---
 libbsd.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libbsd.txt b/libbsd.txt
index 60a1b554..5d8c1743 100644
--- a/libbsd.txt
+++ b/libbsd.txt
@@ -1347,8 +1347,10 @@ The following is necessary to use PF on RTEMS:
 - Create a rule file (normally +/etc/pf.conf+). See the FreeBSD manual for the
   syntax.
 
-- Load the rule file using the pfctl command and enable pf. An example
-  initialisation can look like follows:
+- Load the rule file using the pfctl command and enable pf. Please note that the
+  pfctl command needs a lot of stack. You should use at least
+  RTEMS_MINIMUM_STACK_SIZE + 8192 Bytes of stack. An example initialisation can
+  look like follows:
 
 ----
 	int exit_code;
-- 
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