[PATCH] net: usb: qmi_wwan: add common Huawei modem IDs

From: jackyphuti

Date: Fri Sep 18 2026 - 15:40:10 EST


Add common Huawei product IDs to qmi_wwan fixed-interface mappings
for broader generic Huawei modem coverage.

Co-authored-by: Copilot <223556219+Copilot@xxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: jackyphuti <jackympoka22@xxxxxxxxx>
---
drivers/net/usb/qmi_wwan.c | 38 +++++++++++++++++++++++++-------------
1 file changed, 25 insertions(+), 13 deletions(-)

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index fdfdcf24ddcf..2809b6985f7a 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -216,10 +216,10 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
if (netif_rx(skbn) != NET_RX_SUCCESS) {
net->stats.rx_errors++;
return 0;
- } else {
- dev_sw_netstats_rx_add(net, pkt_len);
}

+ dev_sw_netstats_rx_add(net, pkt_len);
+
skip:
offset += len + qmimux_hdr_sz;
}
@@ -946,6 +946,13 @@ static const struct driver_info qmi_wwan_info_quirk_dtr = {
};

#define HUAWEI_VENDOR_ID 0x12D1
+#define HUAWEI_PRODUCT_E1750 0x1406
+#define HUAWEI_PRODUCT_E173 0x140c
+#define HUAWEI_PRODUCT_K4505 0x1464
+#define HUAWEI_PRODUCT_K3765 0x1465
+#define HUAWEI_PRODUCT_K4605 0x14c6
+#define HUAWEI_PRODUCT_E1820 0x14ac
+#define HUAWEI_PRODUCT_E173S6 0x1c07

/* map QMI/wwan function by a fixed interface number */
#define QMI_FIXED_INTF(vend, prod, num) \
@@ -1024,23 +1031,23 @@ static const struct usb_device_id products[] = {
},
{ /* Novatel USB551L and MC551 */
USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001,
- USB_CLASS_COMM,
- USB_CDC_SUBCLASS_ETHERNET,
- USB_CDC_PROTO_NONE),
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Novatel E362 */
USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010,
- USB_CLASS_COMM,
- USB_CDC_SUBCLASS_ETHERNET,
- USB_CDC_PROTO_NONE),
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Novatel Expedite E371 */
USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011,
- USB_CLASS_COMM,
- USB_CDC_SUBCLASS_ETHERNET,
- USB_CDC_PROTO_NONE),
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Dell Wireless 5800 (Novatel E362) */
@@ -1228,8 +1235,13 @@ static const struct usb_device_id products[] = {
{QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */
{QMI_FIXED_INTF(0x0846, 0x68a2, 8)},
{QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */
- {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */
- {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */
+ {QMI_FIXED_INTF(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 1)}, /* Huawei E1750 */
+ {QMI_FIXED_INTF(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 1)}, /* Huawei E173 */
+ {QMI_FIXED_INTF(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 1)}, /* Huawei K4505 */
+ {QMI_FIXED_INTF(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 1)}, /* Huawei K3765 */
+ {QMI_FIXED_INTF(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 1)}, /* Huawei K4605 */
+ {QMI_FIXED_INTF(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1820, 1)}, /* Huawei E1820 */
+ {QMI_FIXED_INTF(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S6, 1)}, /* Huawei E173s-6 */
{QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */
{QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */
{QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */
--
2.55.0