diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 51f3192f3931e0a179dcb619e4e714a0565656fc..40e4237b0a3a13e29df690e9ef6fd02e7e220894 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1653,6 +1653,19 @@ int usbnet_manage_power(struct usbnet *dev, int on) } EXPORT_SYMBOL(usbnet_manage_power); +void usbnet_link_change(struct usbnet *dev, bool link, bool need_reset) +{ + /* update link after link is reseted */ + if (link && !need_reset) + netif_carrier_on(dev->net); + else + netif_carrier_off(dev->net); + + if (need_reset && link) + usbnet_defer_kevent(dev, EVENT_LINK_RESET); +} +EXPORT_SYMBOL(usbnet_link_change); + /*-------------------------------------------------------------------------*/ static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, u16 value, u16 index, void *data, u16 size) diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 0e5ac93bab101bea0526ee3b54f52ed3b0f72099..eb021b8f53bd720b4e3f30fabf690e8fd70cba40 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -245,5 +245,6 @@ extern void usbnet_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); extern int usbnet_nway_reset(struct net_device *net); extern int usbnet_manage_power(struct usbnet *, int); +extern void usbnet_link_change(struct usbnet *, bool, bool); #endif /* __LINUX_USB_USBNET_H */