lwip: Added debug config options to enable lwIP low level debugging

components/lwip/Kconfig

@@ -723,4 +723,43 @@ menu "LWIP"
             Enable this option allows lwip to check assert.
             It is recommended to keep it open, do not close it.
 
+    menu "Debug"
+
+        config LWIP_NETIF_DEBUG
+            bool "Enable netif debug messages"
+            default n
+
+        config LWIP_PBUF_DEBUG
+            bool "Enable pbuf debug messages"
+            default n
+
+        config LWIP_ETHARP_DEBUG
+            bool "Enable etharp debug messages"
+            default n
+
+        config LWIP_API_LIB_DEBUG
+            bool "Enable api lib debug messages"
+            default n
+
+        config LWIP_SOCKETS_DEBUG
+            bool "Enable socket debug messages"
+            default n
+
+        config LWIP_IP_DEBUG
+            bool "Enable IP debug messages"
+            default n
+
+        config LWIP_ICMP_DEBUG
+            bool "Enable ICMP debug messages"
+            default n
+
+        config LWIP_IP6_DEBUG
+            bool "Enable IP6 debug messages"
+            default n
+
+        config LWIP_ICMP6_DEBUG
+            bool "Enable ICMP6 debug messages"
+            default n
+
+    endmenu #debug
 endmenu

components/lwip/port/esp32/include/lwipopts.h

@@ -759,37 +759,82 @@
 /**
  * ETHARP_DEBUG: Enable debugging in etharp.c.
  */
-#define ETHARP_DEBUG                    LWIP_DBG_OFF
+#ifdef CONFIG_LWIP_ETHARP_DEBUG
+#define ETHARP_DEBUG                     LWIP_DBG_ON
+#else
+#define ETHARP_DEBUG                     LWIP_DBG_OFF
+#endif
+
 
 /**
  * NETIF_DEBUG: Enable debugging in netif.c.
  */
+#ifdef CONFIG_LWIP_NETIF_DEBUG
+#define NETIF_DEBUG                     LWIP_DBG_ON
+#else
 #define NETIF_DEBUG                     LWIP_DBG_OFF
+#endif
 
 /**
  * PBUF_DEBUG: Enable debugging in pbuf.c.
  */
-#define PBUF_DEBUG                      LWIP_DBG_OFF
+#ifdef CONFIG_LWIP_PBUF_DEBUG
+#define PBUF_DEBUG                     LWIP_DBG_ON
+#else
+#define PBUF_DEBUG                     LWIP_DBG_OFF
+#endif
 
 /**
  * API_LIB_DEBUG: Enable debugging in api_lib.c.
  */
-#define API_LIB_DEBUG                   LWIP_DBG_OFF
+#ifdef CONFIG_LWIP_API_LIB_DEBUG
+#define API_LIB_DEBUG                     LWIP_DBG_ON
+#else
+#define API_LIB_DEBUG                     LWIP_DBG_OFF
+#endif
+
 
 /**
  * SOCKETS_DEBUG: Enable debugging in sockets.c.
  */
+#ifdef CONFIG_LWIP_SOCKETS_DEBUG
+#define SOCKETS_DEBUG                   LWIP_DBG_ON
+#else
 #define SOCKETS_DEBUG                   LWIP_DBG_OFF
+#endif
 
 /**
  * ICMP_DEBUG: Enable debugging in icmp.c.
  */
+#ifdef CONFIG_LWIP_ICMP_DEBUG
+#define ICMP_DEBUG                      LWIP_DBG_ON
+#else
 #define ICMP_DEBUG                      LWIP_DBG_OFF
+#endif
+
+#ifdef CONFIG_LWIP_ICMP6_DEBUG
+#define ICMP6_DEBUG                      LWIP_DBG_ON
+#else
+#define ICMP6_DEBUG                      LWIP_DBG_OFF
+#endif
 
 /**
  * IP_DEBUG: Enable debugging for IP.
  */
+#ifdef CONFIG_LWIP_IP_DEBUG
+#define IP_DEBUG                        LWIP_DBG_ON
+#else
 #define IP_DEBUG                        LWIP_DBG_OFF
+#endif
+
+/**
+ * IP_DEBUG: Enable debugging for IP.
+ */
+#ifdef CONFIG_LWIP_IP6_DEBUG
+#define IP6_DEBUG                        LWIP_DBG_ON
+#else
+#define IP6_DEBUG                        LWIP_DBG_OFF
+#endif
 
 /**
  * MEMP_DEBUG: Enable debugging in memp.c.