genode/dde_linux/patches/usbnet.patch

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diff -r b5bc236d605e drivers/net/usb/usbnet.c
--- a/drivers/net/usb/usbnet.c Mon Jun 17 10:27:00 2013 +0200
+++ b/drivers/net/usb/usbnet.c Mon Jun 17 10:34:15 2013 +0200
@@ -64,10 +64,29 @@
* is required, under load. Jumbograms change the equation.
*/
#define RX_MAX_QUEUE_MEMORY (60 * 1518)
-#define RX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
- (RX_MAX_QUEUE_MEMORY/(dev)->rx_urb_size) : 4)
-#define TX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
- (RX_MAX_QUEUE_MEMORY/(dev)->hard_mtu) : 4)
+inline unsigned RX_QLEN(struct usbnet *dev)
+{
+ switch(dev->udev->speed) {
+ case USB_SPEED_HIGH:
+ return RX_MAX_QUEUE_MEMORY/dev->rx_urb_size;
+ case USB_SPEED_SUPER:
+ return 16;
+ default:
+ return 4;
+ }
+}
+
+inline unsigned TX_QLEN(struct usbnet *dev)
+{
+ switch(dev->udev->speed) {
+ case USB_SPEED_HIGH:
+ return RX_MAX_QUEUE_MEMORY/dev->hard_mtu;
+ case USB_SPEED_SUPER:
+ return 16;
+ default:
+ return 4;
+ }
+}
// reawaken network queue this soon after stopping; else watchdog barks
#define TX_TIMEOUT_JIFFIES (5*HZ)