diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/class/wireless/rndis_host.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/class/wireless/rndis_host.c
index a09cd73c2..e9a82a47a 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/class/wireless/rndis_host.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/class/wireless/rndis_host.c
@@ -21,6 +21,10 @@ Modification: rndis bulk transfer buffer uses physical addresses.
 3. Date: 2024-07-23
 Author: AIIT XUOS Lab
 Modification: Modify MessageLength in usbh_rndis_eth_tx, see https://github.com/cherry-embedded/CherryUSB.
+
+4. Date: 2024-07-24
+Author: AIIT XUOS Lab
+Modification: Modify IPC-related functions in rndis.
 *************************************************/
 #include <usb_osal.h>
 #include "usbh_core.h"
@@ -61,8 +65,16 @@ usb_osal_sem_t mutex_sem_handle;
 usb_osal_thread_t timer_handle;
 usb_osal_thread_t data_recv_task_handle;
 
-extern void eth_device_linkchange(bool up);    //todo IPC function
-extern void eth_device_ready(void *dataptr, size_t len);    //todo IPC function
+
+__WEAK int eth_device_linkchange(bool up)
+{
+    return 0;
+}
+
+__WEAK int eth_device_ready(void *dataptr, size_t len)
+{
+    return 0;
+}
 
 static void rndis_dev_keepalive_timeout(void *pdata)
 {
@@ -121,7 +133,7 @@ static void usbh_rndis_data_recv_entry(void *pdata)
         while (ret > 0) {
             pmsg = (rndis_data_packet_t *)(rx_buffer + pmg_offset);
             if (pmsg->MessageType == REMOTE_NDIS_PACKET_MSG) {
-                eth_device_ready((uint8_t *)(&pmsg->DataOffset) + pmsg->DataOffset, pmsg->MessageLength);
+                eth_device_ready((uint8_t *)(&pmsg->DataOffset) + pmsg->DataOffset, pmsg->DataLength);
                 pmg_offset += pmsg->MessageLength;
                 ret -= pmsg->MessageLength;
             }
@@ -248,7 +260,7 @@ int usbh_rndis_eth_tx(void *dataptr, size_t tot_len)
     return rndis_msg_data_send(s_rndis_class_ptr, (uint8_t *)tx_buffer_phy, hdr->MessageLength);
 }
 
-int usbh_rndis_eth_control(int cmd, void *args)
+int usbh_rndis_eth_control(int cmd, void *args, size_t len)
 {
     switch (cmd) {
         case NIOCTL_GADDR: