[PATCH v2] net: usb: r8152: Add in new Devices that are supported for Mac-Passthru
From: David Ober <hidden>
Date: 2022-05-11 13:39:36
Also in:
linux-usb
Subsystem:
networking drivers, the rest, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Lenovo Thunderbolt 4 Dock, and other Lenovo USB Docks are using the original Realtek USB ethernet Vendor and Product IDs If the Network device is Realtek verify that it is on a Lenovo USB hub before enabling the passthru feature This also adds in the device IDs for the Lenovo USB Dongle and one other USB-C dock Signed-off-by: David Ober <redacted> --- drivers/net/usb/r8152.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index c2da3438387c..c32b9bf90baa 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c@@ -771,6 +771,9 @@ enum rtl8152_flags { }; #define DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2 0x3082 +#define DEVICE_ID_THINKPAD_THUNDERBOLT4_DOCK_GEN1 0x8153 +#define DEVICE_ID_THINKPAD_USB_C_DOCK_GEN3 0x3062 +#define DEVICE_ID_THINKPAD_USB_C_DONGLE 0x720c #define DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2 0xa387 struct tally_counter {
@@ -9644,11 +9647,20 @@ static int rtl8152_probe(struct usb_interface *intf, if (le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_LENOVO) { switch (le16_to_cpu(udev->descriptor.idProduct)) { + case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN3: + case DEVICE_ID_THINKPAD_USB_C_DONGLE: case DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2: case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2: tp->lenovo_macpassthru = 1; } } + else if ((le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_REALTEK) && + (le16_to_cpu(udev->parent->descriptor.idVendor) == VENDOR_ID_LENOVO)) { + switch (le16_to_cpu(udev->descriptor.idProduct)) { + case DEVICE_ID_THINKPAD_THUNDERBOLT4_DOCK_GEN1: + tp->lenovo_macpassthru = 1; + } + } if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial && (!strcmp(udev->serial, "000001000000") ||
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2.30.2