diff --git a/repos/dde_linux/lib/mk/spec/x86/usb.inc b/repos/dde_linux/lib/mk/spec/x86/usb.inc
index bd7f3a9b8..3f609d78c 100644
--- a/repos/dde_linux/lib/mk/spec/x86/usb.inc
+++ b/repos/dde_linux/lib/mk/spec/x86/usb.inc
@@ -4,7 +4,7 @@ SRC_C   += usb/core/hcd-pci.c
 #
 # USB netwpork support
 #
-SRC_C   += $(addprefix net/usb/, usbnet.c ax88179_178a.c)
+SRC_C   += $(addprefix net/usb/, usbnet.c ax88179_178a.c cdc_ether.c)
 
 # XHCI
 SRC_C += usb/host/xhci-pci.c
diff --git a/repos/dde_linux/lib/mk/usb.inc b/repos/dde_linux/lib/mk/usb.inc
index c6a65f3dc..98a6069f1 100644
--- a/repos/dde_linux/lib/mk/usb.inc
+++ b/repos/dde_linux/lib/mk/usb.inc
@@ -20,12 +20,13 @@ INC_DIR += $(LX_CONTRIB_DIR)/include $(LX_CONTRIB_DIR)/include/uapi $(LX_CONTRIB
 CC_OPT += -U__linux__ -D__KERNEL__
 CC_OPT += -DCONFIG_USB_DEVICEFS -DCONFIG_HOTPLUG -DDEBUG -DCONFIG_USB_PHY=1 \
           -DCONFIG_GENERIC_PHY=0 -DCONFIG_USB_OTG_WHITELIST=0 \
-          -DCONFIG_USB_OTG=0
+          -DCONFIG_USB_OTG=0 -DCONFIG_USB_NET_RNDIS_HOST=1
 
 CC_WARN = -Wall -Wno-unused-variable -Wno-uninitialized \
           -Wno-unused-function -Wno-overflow
 
 CC_C_OPT += -std=gnu89 -Wno-unused-but-set-variable -Wno-pointer-sign -Wno-unused-label
+CC_C_OPT += -include $(LIB_INC_DIR)/lx_emul.h
 
 CC_CXX_OPT = -fpermissive
 
@@ -39,6 +40,7 @@ CC_OPT += -DMOD_SUFFIX=$(MOD_SUFFIX)
 SRC_CC += printf.cc work.cc timer.cc scheduler.cc irq.cc malloc.cc env.cc
 
 # common lib
+SRC_C += lib/ctype.c
 SRC_C += lib/int_sqrt.c
 
 # USB core
@@ -86,6 +88,7 @@ vpath %.cc $(LIB_DIR)/nic
 vpath %.cc $(LIB_DIR)/raw
 vpath %.c  $(LIB_DIR)/raw
 vpath lib/int_sqrt.c $(LX_CONTRIB_DIR)
+vpath lib/ctype.c $(LX_CONTRIB_DIR)
 vpath %.cc $(REP_DIR)/src/lx_kit
 
 # vi: set ft=make :
diff --git a/repos/dde_linux/ports/dde_linux.hash b/repos/dde_linux/ports/dde_linux.hash
index 3ce2f1feb..b19da56bd 100644
--- a/repos/dde_linux/ports/dde_linux.hash
+++ b/repos/dde_linux/ports/dde_linux.hash
@@ -1 +1 @@
-71088fe54dc4e32413dac2c7a124f4e3e6783342
+570bd3cf50c3ae2307931ae9eb6bb706423167ef
diff --git a/repos/dde_linux/src/lib/usb/lx_emul.cc b/repos/dde_linux/src/lib/usb/lx_emul.cc
index 98ccc9e14..5c63920f1 100644
--- a/repos/dde_linux/src/lib/usb/lx_emul.cc
+++ b/repos/dde_linux/src/lib/usb/lx_emul.cc
@@ -1036,3 +1036,47 @@ struct workqueue_struct *alloc_workqueue(const char *fmt, unsigned int flags,
 
 #include <lx_emul/impl/wait.h>
 
+/*******************
+ ** lib/hexdump.c **
+ *******************/
+
+#include <linux/ctype.h>
+
+/**
+ * hex_to_bin - convert a hex digit to its real value
+ * @ch: ascii character represents hex digit
+ *
+ * hex_to_bin() converts one hex digit to its actual value or -1 in case of bad
+ * input.
+ */
+int hex_to_bin(char ch)
+{
+	if ((ch >= '0') && (ch <= '9'))
+		return ch - '0';
+	ch = tolower(ch);
+	if ((ch >= 'a') && (ch <= 'f'))
+		return ch - 'a' + 10;
+	return -1;
+}
+
+/**
+ * hex2bin - convert an ascii hexadecimal string to its binary representation
+ * @dst: binary result
+ * @src: ascii hexadecimal string
+ * @count: result length
+ *
+ * Return 0 on success, -1 in case of bad input.
+ */
+int hex2bin(u8 *dst, const char *src, size_t count)
+{
+	while (count--) {
+		int hi = hex_to_bin(*src++);
+		int lo = hex_to_bin(*src++);
+
+		if ((hi < 0) || (lo < 0))
+			return -1;
+
+		*dst++ = (hi << 4) | lo;
+	}
+	return 0;
+}
diff --git a/repos/dde_linux/src/lib/usb/spec/x86/platform.cc b/repos/dde_linux/src/lib/usb/spec/x86/platform.cc
index ac623a78b..1b0a5f31b 100644
--- a/repos/dde_linux/src/lib/usb/spec/x86/platform.cc
+++ b/repos/dde_linux/src/lib/usb/spec/x86/platform.cc
@@ -15,6 +15,7 @@
 
 
 extern "C" void module_ax88179_178a_driver_init();
+extern "C" void module_cdc_driver_init();
 extern "C" void module_usbnet_init();
 extern "C" void module_ehci_hcd_init();
 extern "C" void module_ehci_pci_init();
@@ -29,6 +30,7 @@ void platform_hcd_init(Services *s)
 	if (s->nic) {
 		module_usbnet_init();
 		module_ax88179_178a_driver_init();
+		module_cdc_driver_init();
 	}
 
 	if (s->xhci) {
diff --git a/repos/dde_linux/usb.list b/repos/dde_linux/usb.list
index 53cb4c152..e4be26383 100644
--- a/repos/dde_linux/usb.list
+++ b/repos/dde_linux/usb.list
@@ -21,6 +21,7 @@ linux-x.x.x/drivers/net/usb/asix_devices.c
 linux-x.x.x/drivers/net/usb/asix.h
 linux-x.x.x/drivers/net/usb/ax88172a.c
 linux-x.x.x/drivers/net/usb/ax88179_178a.c
+linux-x.x.x/drivers/net/usb/cdc_ether.c
 linux-x.x.x/drivers/net/usb/smsc95xx.h
 linux-x.x.x/drivers/net/usb/smsc95xx.c
 linux-x.x.x/drivers/net/usb/usbnet.c
@@ -130,6 +131,7 @@ linux-x.x.x/include/asm-generic/bitops/__fls.h
 linux-x.x.x/include/asm-generic/bitops/fls64.h
 linux-x.x.x/include/asm-generic/bitops/non-atomic.h
 linux-x.x.x/include/asm-generic/ioctl.h
+linux-x.x.x/include/linux/ctype.h
 linux-x.x.x/include/linux/hiddev.h
 linux-x.x.x/include/linux/hid.h
 linux-x.x.x/include/linux/input.h
@@ -171,4 +173,5 @@ linux-x.x.x/include/uapi/linux/swab.h
 linux-x.x.x/include/uapi/linux/usb/ch11.h
 linux-x.x.x/include/uapi/linux/usb/ch9.h
 linux-x.x.x/include/uapi/linux/usb/cdc.h
+linux-x.x.x/lib/ctype.c
 linux-x.x.x/lib/int_sqrt.c