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path: root/drivers/net/usb/cdc_ether.c
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Diffstat (limited to 'drivers/net/usb/cdc_ether.c')
-rw-r--r--drivers/net/usb/cdc_ether.c47
1 files changed, 33 insertions, 14 deletions
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 2a32d9167d3b..d3920b54a92c 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -67,6 +67,35 @@ static const u8 mbm_guid[16] = {
0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a,
};
+static void usbnet_cdc_update_filter(struct usbnet *dev)
+{
+ struct cdc_state *info = (void *) &dev->data;
+ struct usb_interface *intf = info->control;
+
+ u16 cdc_filter =
+ USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED |
+ USB_CDC_PACKET_TYPE_BROADCAST;
+
+ if (dev->net->flags & IFF_PROMISC)
+ cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS;
+
+ /* FIXME cdc-ether has some multicast code too, though it complains
+ * in routine cases. info->ether describes the multicast support.
+ * Implement that here, manipulating the cdc filter as needed.
+ */
+
+ usb_control_msg(dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ USB_CDC_SET_ETHERNET_PACKET_FILTER,
+ USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+ cdc_filter,
+ intf->cur_altsetting->desc.bInterfaceNumber,
+ NULL,
+ 0,
+ USB_CTRL_SET_TIMEOUT
+ );
+}
+
/* probes control interface, claims data interface, collects the bulk
* endpoints, activates data interface (if needed), maybe sets MTU.
* all pure cdc, except for certain firmware workarounds, and knowing
@@ -347,16 +376,8 @@ next_desc:
* don't do reset all the way. So the packet filter should
* be set to a sane initial value.
*/
- usb_control_msg(dev->udev,
- usb_sndctrlpipe(dev->udev, 0),
- USB_CDC_SET_ETHERNET_PACKET_FILTER,
- USB_TYPE_CLASS | USB_RECIP_INTERFACE,
- USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED | USB_CDC_PACKET_TYPE_BROADCAST,
- intf->cur_altsetting->desc.bInterfaceNumber,
- NULL,
- 0,
- USB_CTRL_SET_TIMEOUT
- );
+ usbnet_cdc_update_filter(dev);
+
return 0;
bad_desc:
@@ -468,10 +489,6 @@ int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
return status;
}
- /* FIXME cdc-ether has some multicast code too, though it complains
- * in routine cases. info->ether describes the multicast support.
- * Implement that here, manipulating the cdc filter as needed.
- */
return 0;
}
EXPORT_SYMBOL_GPL(usbnet_cdc_bind);
@@ -482,6 +499,7 @@ static const struct driver_info cdc_info = {
.bind = usbnet_cdc_bind,
.unbind = usbnet_cdc_unbind,
.status = usbnet_cdc_status,
+ .set_rx_mode = usbnet_cdc_update_filter,
.manage_power = usbnet_manage_power,
};
@@ -491,6 +509,7 @@ static const struct driver_info wwan_info = {
.bind = usbnet_cdc_bind,
.unbind = usbnet_cdc_unbind,
.status = usbnet_cdc_status,
+ .set_rx_mode = usbnet_cdc_update_filter,
.manage_power = usbnet_manage_power,
};