usbnet: add a callback for set_rx_mode

To delegate promiscuous mode and multicast filtering to the subdriver.

Signed-off-by: Olivier Blin <olivier.blin@softathome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 20615bb..3a6770a 100644 (file)
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1052,6 +1052,21 @@ static void __handle_link_change(struct usbnet *dev)
        clear_bit(EVENT_LINK_CHANGE, &dev->flags);
 }
 
+static void usbnet_set_rx_mode(struct net_device *net)
+{
+       struct usbnet           *dev = netdev_priv(net);
+
+       usbnet_defer_kevent(dev, EVENT_SET_RX_MODE);
+}
+
+static void __handle_set_rx_mode(struct usbnet *dev)
+{
+       if (dev->driver_info->set_rx_mode)
+               (dev->driver_info->set_rx_mode)(dev);
+
+       clear_bit(EVENT_SET_RX_MODE, &dev->flags);
+}
+
 /* work that cannot be done in interrupt context uses keventd.
  *
  * NOTE:  with 2.5 we could do more of this using completion callbacks,
@@ -1157,6 +1172,10 @@ skip_reset:
        if (test_bit (EVENT_LINK_CHANGE, &dev->flags))
                __handle_link_change(dev);
 
+       if (test_bit (EVENT_SET_RX_MODE, &dev->flags))
+               __handle_set_rx_mode(dev);
+
+
        if (dev->flags)
                netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags);
 }
@@ -1525,6 +1544,7 @@ static const struct net_device_ops usbnet_netdev_ops = {
        .ndo_stop               = usbnet_stop,
        .ndo_start_xmit         = usbnet_start_xmit,
        .ndo_tx_timeout         = usbnet_tx_timeout,
+       .ndo_set_rx_mode        = usbnet_set_rx_mode,
        .ndo_change_mtu         = usbnet_change_mtu,
        .ndo_set_mac_address    = eth_mac_addr,
        .ndo_validate_addr      = eth_validate_addr,

diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 26088fe..d9a4905 100644 (file)
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -78,6 +78,7 @@ struct usbnet {
 #              define EVENT_NO_RUNTIME_PM      9
 #              define EVENT_RX_KILL    10
 #              define EVENT_LINK_CHANGE        11
+#              define EVENT_SET_RX_MODE        12
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)
@@ -159,6 +160,9 @@ struct driver_info {
        /* called by minidriver when receiving indication */
        void    (*indication)(struct usbnet *dev, void *ind, int indlen);
 
+       /* rx mode change (device changes address list filtering) */
+       void    (*set_rx_mode)(struct usbnet *dev);
+
        /* for new devices, use the descriptor-reading code instead */
        int             in;             /* rx endpoint */
        int             out;            /* tx endpoint */