From 42efbb1a578212ca7507618496ff14f3576b1baa Mon Sep 17 00:00:00 2001
From: Mengsk <admin@hifiphile.com>
Date: Wed, 30 Mar 2022 15:45:56 +0200
Subject: [PATCH] Add lwip dns debug option.

---
 components/lwip/Kconfig                       | 5 +++++
 components/lwip/port/esp32/include/lwipopts.h | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/components/lwip/Kconfig b/components/lwip/Kconfig
index 5b2e6398ce..949e8b6d30 100644
--- a/components/lwip/Kconfig
+++ b/components/lwip/Kconfig
@@ -1063,4 +1063,9 @@ menu "LWIP"
         depends on LWIP_DEBUG
         default n
 
+    config LWIP_DNS_DEBUG
+        bool "Enable DNS debug messages"
+        depends on LWIP_DEBUG
+        default n
+
 endmenu
diff --git a/components/lwip/port/esp32/include/lwipopts.h b/components/lwip/port/esp32/include/lwipopts.h
index 89f7210645..9129520a45 100644
--- a/components/lwip/port/esp32/include/lwipopts.h
+++ b/components/lwip/port/esp32/include/lwipopts.h
@@ -1232,6 +1232,15 @@
 #define SNTP_DEBUG                       LWIP_DBG_OFF
 #endif
 
+/**
+ * DNS_DEBUG: Enable debugging for DNS.
+ */
+#ifdef CONFIG_LWIP_DNS_DEBUG
+#define DNS_DEBUG                       LWIP_DBG_ON
+#else
+#define DNS_DEBUG                       LWIP_DBG_OFF
+#endif
+
 /**
  * MEMP_DEBUG: Enable debugging in memp.c.
  */