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https://github.com/genodelabs/genode.git
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38 lines
869 B
Diff
38 lines
869 B
Diff
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
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index 6237370..8339402 100644
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--- a/drivers/net/usb/usbnet.c
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+++ b/drivers/net/usb/usbnet.c
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@@ -64,8 +64,30 @@
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* the equation.
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*/
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#define MAX_QUEUE_MEMORY (60 * 1518)
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-#define RX_QLEN(dev) ((dev)->rx_qlen)
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-#define TX_QLEN(dev) ((dev)->tx_qlen)
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+
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+inline unsigned RX_QLEN(struct usbnet *dev)
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+{
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+ switch(dev->udev->speed) {
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+ case USB_SPEED_HIGH:
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+ return MAX_QUEUE_MEMORY/dev->rx_urb_size;
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+ case USB_SPEED_SUPER:
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+ return 16;
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+ default:
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+ return 4;
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+ }
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+}
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+
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+inline unsigned TX_QLEN(struct usbnet *dev)
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+{
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+ switch(dev->udev->speed) {
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+ case USB_SPEED_HIGH:
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+ return MAX_QUEUE_MEMORY/dev->hard_mtu;
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+ case USB_SPEED_SUPER:
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+ return 16;
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+ default:
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+ return 4;
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+ }
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+}
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// reawaken network queue this soon after stopping; else watchdog barks
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#define TX_TIMEOUT_JIFFIES (5*HZ)
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