---- linux-2.6.22-rc3-orig/drivers/net/usb/rndis_host.c 2007-05-25 22:55:14.000000000 -0400
-+++ linux-2.6.22-rc3/drivers/net/usb/rndis_host.c 2007-05-27 17:06:16.000000000 -0400
-@@ -499,8 +499,7 @@
- net->hard_header_len += sizeof (struct rndis_data_hdr);
- dev->hard_mtu = net->mtu + net->hard_header_len;
+diff -urNp -x '*.orig' linux-5.11/drivers/net/usb/rndis_host.c linux-5.11/drivers/net/usb/rndis_host.c
+--- linux-5.11/drivers/net/usb/rndis_host.c 2021-02-14 23:32:24.000000000 +0100
++++ linux-5.11/drivers/net/usb/rndis_host.c 2021-02-24 13:28:06.347055900 +0100
+@@ -341,8 +341,7 @@ generic_rndis_bind(struct usbnet *dev, s
+ goto fail_and_release;
+ }
- dev->rx_urb_size = dev->hard_mtu + (dev->maxpacket + 1);
- dev->rx_urb_size &= ~(dev->maxpacket - 1);
+ dev->rx_urb_size = (dev->udev->speed == USB_SPEED_FULL) ? 16384 : 8192;
u.init->max_transfer_size = cpu_to_le32(dev->rx_urb_size);
- net->change_mtu = NULL;
+ net->netdev_ops = &rndis_netdev_ops;