pppd-idf.patch

diff --git a/components/lwip/Kconfig b/components/lwip/Kconfig
index f4b048351..730b6f059 100644
--- a/components/lwip/Kconfig
+++ b/components/lwip/Kconfig
@@ -476,6 +476,13 @@ menuconfig PPP_SUPPORT
 
         PPP over serial support is experimental and unsupported.
 
+config PPP_SERVER
+    bool "Enable PPP server support (new/experimental)"
+    depends on PPP_SUPPORT
+    default n
+    help
+        Enable PPP server. Only PPP server over serial is possible.
+
 config PPP_PAP_SUPPORT
    bool "Enable PAP support"
    depends on PPP_SUPPORT
diff --git a/components/lwip/port/esp32/include/lwipopts.h b/components/lwip/port/esp32/include/lwipopts.h
index 53b598609..1ce291be3 100644
--- a/components/lwip/port/esp32/include/lwipopts.h
+++ b/components/lwip/port/esp32/include/lwipopts.h
@@ -577,6 +577,11 @@
 #if PPP_SUPPORT
 
 /**
+ * PPP_SERVER==1: Enable PPP server.
+ */
+#define PPP_SERVER                     CONFIG_PPP_SERVER
+
+/**
  * PAP_SUPPORT==1: Support PAP.
  */
 #define PAP_SUPPORT                     CONFIG_PPP_PAP_SUPPORT