genode/repos/dde_linux/patches/usb_usbnet.patch
2016-05-26 15:54:12 +02:00

38 lines
869 B
Diff

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 6237370..8339402 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -64,8 +64,30 @@
* the equation.
*/
#define MAX_QUEUE_MEMORY (60 * 1518)
-#define RX_QLEN(dev) ((dev)->rx_qlen)
-#define TX_QLEN(dev) ((dev)->tx_qlen)
+
+inline unsigned RX_QLEN(struct usbnet *dev)
+{
+ switch(dev->udev->speed) {
+ case USB_SPEED_HIGH:
+ return 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 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)