usbnet: add new flag FLAG_NOARP for usb net devices

[karo-tx-linux.git] / drivers / net / usb / usbnet.c

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 3d4bf01641b49f0f7c5d820a547885806378c4e2..f34b2ebee815ff6b832ef280e26ce7039ef6bfd6 100644 (file)
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1448,6 +1448,10 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
                if ((dev->driver_info->flags & FLAG_WWAN) != 0)
                        strcpy(net->name, "wwan%d");
 
+               /* devices that cannot do ARP */
+               if ((dev->driver_info->flags & FLAG_NOARP) != 0)
+                       net->flags |= IFF_NOARP;
+
                /* maybe the remote can't receive an Ethernet MTU */
                if (net->mtu > (dev->hard_mtu - net->hard_header_len))
                        net->mtu = dev->hard_mtu - net->hard_header_len;