usbnet: add rx queue pausing

[pandora-kernel.git] / include / linux / usb / usbnet.h

diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index de8b4b1..0951425 100644 (file)
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -53,6 +53,7 @@ struct usbnet {
        struct sk_buff_head     rxq;
        struct sk_buff_head     txq;
        struct sk_buff_head     done;
+       struct sk_buff_head     rxq_pause;
        struct urb              *interrupt;
        struct tasklet_struct   bh;
 
@@ -63,6 +64,7 @@ struct usbnet {
 #              define EVENT_RX_MEMORY  2
 #              define EVENT_STS_SPLIT  3
 #              define EVENT_LINK_RESET 4
+#              define EVENT_RX_PAUSED  5
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)
@@ -190,6 +192,10 @@ extern void usbnet_defer_kevent (struct usbnet *, int);
 extern void usbnet_skb_return (struct usbnet *, struct sk_buff *);
 extern void usbnet_unlink_rx_urbs(struct usbnet *);
 
+extern void usbnet_pause_rx(struct usbnet *);
+extern void usbnet_resume_rx(struct usbnet *);
+extern void usbnet_purge_paused_rxq(struct usbnet *);
+
 extern int usbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd);
 extern int usbnet_set_settings (struct net_device *net, struct ethtool_cmd *cmd);
 extern u32 usbnet_get_link (struct net_device *net);