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| author | Olivier Blin <olivier.blin@softathome.com> | 2014-10-24 19:43:01 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-10-28 17:26:19 -0400 |
| commit | d80c679bc1526183f1cf4adc54b0b72e8798555e (patch) | |
| tree | c6235e2e8d6170b6b0ca0d783fda5c2998e4b4dd /drivers/net/usb/cdc_ether.c | |
| parent | 1efed2d06c703489342ab6af2951683e07509c99 (diff) | |
| download | linux-stable-d80c679bc1526183f1cf4adc54b0b72e8798555e.tar.gz linux-stable-d80c679bc1526183f1cf4adc54b0b72e8798555e.tar.bz2 linux-stable-d80c679bc1526183f1cf4adc54b0b72e8798555e.zip | |
cdc-ether: extract usbnet_cdc_update_filter function
This will be used by the set_rx_mode callback.
Also move a comment about multicast filtering in this new function.
Signed-off-by: Olivier Blin <olivier.blin@softathome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/cdc_ether.c')
| -rw-r--r-- | drivers/net/usb/cdc_ether.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 2a32d9167d3b..bee3689beeb4 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -67,6 +67,32 @@ 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; + + /* 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 +373,8 @@ 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 +486,6 @@ 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); |