genode/repos/dde_linux/patches/usb_usbnet.patch

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commit e500c61c5fce23cf3a44bdd45fded0a3f34cf4f0
Author: Sebastian Sumpf <sebastian.sumpf@genode-labs.com>
Date: Mon Jun 2 13:35:56 2014 +0200
usbnet.patch
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -63,8 +63,30 @@
* 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)