diff --git a/components/esp_netif/lwip/esp_netif_lwip_orig.c b/components/esp_netif/lwip/esp_netif_lwip_orig.c
index 0465aee7b8..5610df4e00 100644
--- a/components/esp_netif/lwip/esp_netif_lwip_orig.c
+++ b/components/esp_netif/lwip/esp_netif_lwip_orig.c
@@ -61,6 +61,29 @@ void dns_clear_servers(bool keep_fallback)
         dns_setserver(numdns, NULL);
     }
 }
+#if PPP_SUPPORT && PPP_AUTH_SUPPORT
+typedef struct {
+    struct tcpip_api_call_data call;
+    ppp_pcb *ppp;
+    u8_t authtype;
+    const char *user;
+    const char *passwd;
+} set_auth_msg_t;
+
+static err_t pppapi_do_ppp_set_auth(struct tcpip_api_call_data *m)
+{
+    set_auth_msg_t *msg = (set_auth_msg_t *)m;
+    ppp_set_auth(msg->ppp, msg->authtype, msg->user, msg->passwd);
+    return ERR_OK;
+}
+
+void pppapi_set_auth(ppp_pcb *pcb, u8_t authtype, const char *user, const char *passwd)
+{
+    set_auth_msg_t msg = { .ppp = pcb, .authtype = authtype, .user = user, .passwd = passwd};
+    tcpip_api_call(pppapi_do_ppp_set_auth, &msg.call);
+}
+
+#endif // PPP_SUPPORT && PPP_AUTH_SUPPORT
 
 #ifdef CONFIG_LWIP_GARP_TMR_INTERVAL
 void netif_send_garp(void *arg)
diff --git a/components/esp_netif/lwip/esp_netif_lwip_orig.h b/components/esp_netif/lwip/esp_netif_lwip_orig.h
index f3dd2d743d..d39e6a17e0 100644
--- a/components/esp_netif/lwip/esp_netif_lwip_orig.h
+++ b/components/esp_netif/lwip/esp_netif_lwip_orig.h
@@ -11,6 +11,10 @@
 
 #if defined(CONFIG_ESP_NETIF_TCPIP_LWIP_ORIG) || defined(CONFIG_ESP_NETIF_TCPIP_LWIP)
 
+#if PPP_SUPPORT
+typedef struct ppp_pcb_s ppp_pcb;
+#endif
+
 /**
  * @brief Sets one extended lwip netif callbacks for all esp-netif
  */
@@ -28,6 +32,10 @@ static inline void nd6_set_cb(struct netif *netif, void (*cb)(struct netif *neti
 
 void dns_clear_servers(bool keep_fallback);
 
+#if PPP_SUPPORT && PPP_AUTH_SUPPORT
+void pppapi_set_auth(ppp_pcb *pcb, u8_t authtype, const char *user, const char *passwd);
+#endif
+
 #if ESP_GRATUITOUS_ARP
 
 void netif_set_garp_flag(struct netif *netif);
diff --git a/components/esp_netif/lwip/esp_netif_lwip_ppp.c b/components/esp_netif/lwip/esp_netif_lwip_ppp.c
index 19907219ce..858603f69c 100644
--- a/components/esp_netif/lwip/esp_netif_lwip_ppp.c
+++ b/components/esp_netif/lwip/esp_netif_lwip_ppp.c
@@ -17,6 +17,7 @@
 #include "esp_event.h"
 #include "esp_netif_ppp.h"
 #include "esp_netif_lwip_internal.h"
+#include "esp_netif_lwip_orig.h"
 #include <string.h>
 #include "lwip/ip6_addr.h"
 
diff --git a/tools/ci/check_copyright_ignore.txt b/tools/ci/check_copyright_ignore.txt
index 761712431f..a0d014044f 100644
--- a/tools/ci/check_copyright_ignore.txt
+++ b/tools/ci/check_copyright_ignore.txt
@@ -475,7 +475,6 @@ components/esp_local_ctrl/src/esp_local_ctrl_transport_ble.c
 components/esp_netif/include/esp_netif_ppp.h
 components/esp_netif/include/esp_netif_slip.h
 components/esp_netif/loopback/esp_netif_loopback.c
-components/esp_netif/lwip/esp_netif_lwip_ppp.c
 components/esp_netif/lwip/esp_netif_lwip_slip.c
 components/esp_netif/lwip/esp_netif_lwip_slip.h
 components/esp_netif/private_include/esp_netif_private.h