From 5e77e34c46850ad846b7bc62130e99bc45acff41 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Sat, 19 Oct 2019 23:13:34 +0200
Subject: [PATCH] doc: Mention all available environment settings

---
 src/iwd.rst | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/iwd.rst b/src/iwd.rst
index 33a3fefc..ac90d72c 100644
--- a/src/iwd.rst
+++ b/src/iwd.rst
@@ -243,6 +243,23 @@ following the group definition.
        method's negotiation is encrypted, a secure identity string can be
        provided.
 
+ENVIRONMENT
+===========
+
+*$STATE_DIRECTORY* is used for network configuration files.  See section
+*NETWORK CONFIGURATION* for details.
+
+*$CONFIGURATION_DIRECTORY* is used for daemon configuration settings.  Only
+the file **main.conf** is currently read from this directory.
+
+*$IWD_RTNL_DEBUG* set to ``1`` enables RTNL debugging.
+
+*$IWD_DHCP_DEBUG* set to ``1`` enables DHCP debugging.
+
+*$IWD_TLS_DEBUG* set to ``1`` enables TLS debugging.
+
+*$IWD_WSC_DEBUG_KEYS* set to ``1`` enables WSC debug keys.
+
 SEE ALSO
 ========