From 5993a4935206589798b929044f3e73b18f2b798f Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Wed, 16 Dec 2020 10:29:18 +0100
Subject: [PATCH] lwip: Add IDF hook filename to customize lwip hooks

LWIP_HOOK_FILENAME is used in IDF to define standard and default hooks for IDF port in LWIP.
Added ESP_IDF_LWIP_HOOK_FILENAME to customize additional hooks in lwip

Closes https://github.com/espressif/esp-idf/issues/6261
---
 components/lwip/port/esp32/include/lwip_default_hooks.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/lwip/port/esp32/include/lwip_default_hooks.h b/components/lwip/port/esp32/include/lwip_default_hooks.h
index c882ddbd24..4af3c6582c 100644
--- a/components/lwip/port/esp32/include/lwip_default_hooks.h
+++ b/components/lwip/port/esp32/include/lwip_default_hooks.h
@@ -18,6 +18,10 @@
 #include "lwip/arch.h"
 #include "lwip/err.h"
 
+#ifdef ESP_IDF_LWIP_HOOK_FILENAME
+#include ESP_IDF_LWIP_HOOK_FILENAME
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif