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-rw-r--r--drivers/net/usb/Kconfig10
-rw-r--r--drivers/net/usb/Makefile2
-rw-r--r--drivers/net/usb/cdc_ether.c16
-rw-r--r--drivers/net/usb/cdc_ncm.c17
-rw-r--r--drivers/net/usb/lan78xx.c3
-rw-r--r--drivers/net/usb/qmi_wwan.c13
-rw-r--r--drivers/net/usb/r8152.c2
7 files changed, 54 insertions, 9 deletions
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 1f6893ebce16..3a7286256db0 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -395,6 +395,10 @@ config USB_NET_RNDIS_HOST
The protocol specification is incomplete, and is controlled by
(and for) Microsoft; it isn't an "Open" ecosystem or market.
+config USB_NET_CDC_SUBSET_ENABLE
+ tristate
+ depends on USB_NET_CDC_SUBSET
+
config USB_NET_CDC_SUBSET
tristate "Simple USB Network Links (CDC Ethernet subset)"
depends on USB_USBNET
@@ -413,6 +417,7 @@ config USB_NET_CDC_SUBSET
config USB_ALI_M5632
bool "ALi M5632 based 'USB 2.0 Data Link' cables"
depends on USB_NET_CDC_SUBSET
+ select USB_NET_CDC_SUBSET_ENABLE
help
Choose this option if you're using a host-to-host cable
based on this design, which supports USB 2.0 high speed.
@@ -420,6 +425,7 @@ config USB_ALI_M5632
config USB_AN2720
bool "AnchorChips 2720 based cables (Xircom PGUNET, ...)"
depends on USB_NET_CDC_SUBSET
+ select USB_NET_CDC_SUBSET_ENABLE
help
Choose this option if you're using a host-to-host cable
based on this design. Note that AnchorChips is now a
@@ -428,6 +434,7 @@ config USB_AN2720
config USB_BELKIN
bool "eTEK based host-to-host cables (Advance, Belkin, ...)"
depends on USB_NET_CDC_SUBSET
+ select USB_NET_CDC_SUBSET_ENABLE
default y
help
Choose this option if you're using a host-to-host cable
@@ -437,6 +444,7 @@ config USB_BELKIN
config USB_ARMLINUX
bool "Embedded ARM Linux links (iPaq, ...)"
depends on USB_NET_CDC_SUBSET
+ select USB_NET_CDC_SUBSET_ENABLE
default y
help
Choose this option to support the "usb-eth" networking driver
@@ -454,6 +462,7 @@ config USB_ARMLINUX
config USB_EPSON2888
bool "Epson 2888 based firmware (DEVELOPMENT)"
depends on USB_NET_CDC_SUBSET
+ select USB_NET_CDC_SUBSET_ENABLE
help
Choose this option to support the usb networking links used
by some sample firmware from Epson.
@@ -461,6 +470,7 @@ config USB_EPSON2888
config USB_KC2190
bool "KT Technology KC2190 based cables (InstaNet)"
depends on USB_NET_CDC_SUBSET
+ select USB_NET_CDC_SUBSET_ENABLE
help
Choose this option if you're using a host-to-host cable
with one of these chips.
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index b5f04068dbe4..37fb46aee341 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -23,7 +23,7 @@ obj-$(CONFIG_USB_NET_GL620A) += gl620a.o
obj-$(CONFIG_USB_NET_NET1080) += net1080.o
obj-$(CONFIG_USB_NET_PLUSB) += plusb.o
obj-$(CONFIG_USB_NET_RNDIS_HOST) += rndis_host.o
-obj-$(CONFIG_USB_NET_CDC_SUBSET) += cdc_subset.o
+obj-$(CONFIG_USB_NET_CDC_SUBSET_ENABLE) += cdc_subset.o
obj-$(CONFIG_USB_NET_ZAURUS) += zaurus.o
obj-$(CONFIG_USB_NET_MCS7830) += mcs7830.o
obj-$(CONFIG_USB_USBNET) += usbnet.o
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index f9343bee1de3..f71abe50ea6f 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -461,6 +461,7 @@ static const struct driver_info wwan_info = {
#define REALTEK_VENDOR_ID 0x0bda
#define SAMSUNG_VENDOR_ID 0x04e8
#define LENOVO_VENDOR_ID 0x17ef
+#define LINKSYS_VENDOR_ID 0x13b1
#define NVIDIA_VENDOR_ID 0x0955
#define HP_VENDOR_ID 0x03f0
@@ -650,6 +651,15 @@ static const struct usb_device_id products[] = {
.driver_info = 0,
},
+#if IS_ENABLED(CONFIG_USB_RTL8152)
+/* Linksys USB3GIGV1 Ethernet Adapter */
+{
+ USB_DEVICE_AND_INTERFACE_INFO(LINKSYS_VENDOR_ID, 0x0041, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+ .driver_info = 0,
+},
+#endif
+
/* Lenovo Thinkpad USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM,
@@ -705,6 +715,12 @@ static const struct usb_device_id products[] = {
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_info,
}, {
+ /* Cinterion AHS3 modem by GEMALTO */
+ USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0055, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_info,
+}, {
/* Telit modules */
USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 1228d0da4075..c8e98c8e29fa 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -825,6 +825,9 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
goto error2;
}
+ /* Device-specific flags */
+ ctx->drvflags = drvflags;
+
/*
* Some Huawei devices have been observed to come out of reset in NDP32 mode.
* Let's check if this is the case, and set the device to NDP16 mode again if
@@ -873,9 +876,6 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
/* finish setting up the device specific data */
cdc_ncm_setup(dev);
- /* Device-specific flags */
- ctx->drvflags = drvflags;
-
/* Allocate the delayed NDP if needed. */
if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) {
ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL);
@@ -1069,6 +1069,7 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
u16 n = 0, index, ndplen;
u8 ready2send = 0;
u32 delayed_ndp_size;
+ size_t padding_count;
/* When our NDP gets written in cdc_ncm_ndp(), then skb_out->len gets updated
* accordingly. Otherwise, we should check here.
@@ -1225,11 +1226,13 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
* a ZLP after full sized NTBs.
*/
if (!(dev->driver_info->flags & FLAG_SEND_ZLP) &&
- skb_out->len > ctx->min_tx_pkt)
- memset(skb_put(skb_out, ctx->tx_max - skb_out->len), 0,
- ctx->tx_max - skb_out->len);
- else if (skb_out->len < ctx->tx_max && (skb_out->len % dev->maxpacket) == 0)
+ skb_out->len > ctx->min_tx_pkt) {
+ padding_count = ctx->tx_max - skb_out->len;
+ memset(skb_put(skb_out, padding_count), 0, padding_count);
+ } else if (skb_out->len < ctx->tx_max &&
+ (skb_out->len % dev->maxpacket) == 0) {
*skb_put(skb_out, 1) = 0; /* force short packet */
+ }
/* set final frame length */
nth16 = (struct usb_cdc_ncm_nth16 *)skb_out->data;
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index ebdee8f01f65..a6d429950cb0 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -618,7 +618,8 @@ static int lan78xx_read_otp(struct lan78xx_net *dev, u32 offset,
offset += 0x100;
else
ret = -EINVAL;
- ret = lan78xx_read_raw_otp(dev, offset, length, data);
+ if (!ret)
+ ret = lan78xx_read_raw_otp(dev, offset, length, data);
}
return ret;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index b0ea8dee5f06..8aaa09b3c753 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -631,6 +631,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x05c6, 0x9080, 8)},
{QMI_FIXED_INTF(0x05c6, 0x9083, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9084, 4)},
+ {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */
{QMI_FIXED_INTF(0x05c6, 0x920d, 0)},
{QMI_FIXED_INTF(0x05c6, 0x920d, 5)},
{QMI_FIXED_INTF(0x0846, 0x68a2, 8)},
@@ -854,6 +855,18 @@ static int qmi_wwan_probe(struct usb_interface *intf,
id->driver_info = (unsigned long)&qmi_wwan_info;
}
+ /* There are devices where the same interface number can be
+ * configured as different functions. We should only bind to
+ * vendor specific functions when matching on interface number
+ */
+ if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER &&
+ desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) {
+ dev_dbg(&intf->dev,
+ "Rejecting interface number match for class %02x\n",
+ desc->bInterfaceClass);
+ return -ENODEV;
+ }
+
/* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {
dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 89950f5cea71..b2c1a435357f 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -506,6 +506,7 @@ enum rtl8152_flags {
#define VENDOR_ID_REALTEK 0x0bda
#define VENDOR_ID_SAMSUNG 0x04e8
#define VENDOR_ID_LENOVO 0x17ef
+#define VENDOR_ID_LINKSYS 0x13b1
#define VENDOR_ID_NVIDIA 0x0955
#define MCU_TYPE_PLA 0x0100
@@ -4376,6 +4377,7 @@ static struct usb_device_id rtl8152_table[] = {
{REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)},
+ {REALTEK_USB_DEVICE(VENDOR_ID_LINKSYS, 0x0041)},
{REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)},
{}
};
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-15 22:41:39 +0000