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authorWei Shuai <cpuwolf@gmail.com>2013-01-21 06:00:31 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-21 14:24:37 -0500
commit6509141f9c2ba74df6cc72ec35cd1865276ae3a4 (patch)
tree996dd8ab7310de1d9668aec3761cf72ab92796c4 /drivers/net
parentf91f33452be939b38c3b16ba1fab35c27221e7ec (diff)
downloadop-kernel-dev-6509141f9c2ba74df6cc72ec35cd1865276ae3a4.zip
op-kernel-dev-6509141f9c2ba74df6cc72ec35cd1865276ae3a4.tar.gz
usbnet: add new flag FLAG_NOARP for usb net devices
We do have some USB net devices, which cannot do ARP. so we can introduce a new flag FLAG_NOARP, then client drivers can easily handle this kind of devices Signed-off-by: Wei Shuai <cpuwolf@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/usb/usbnet.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 3d4bf01..f34b2eb 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1448,6 +1448,10 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
if ((dev->driver_info->flags & FLAG_WWAN) != 0)
strcpy(net->name, "wwan%d");
+ /* devices that cannot do ARP */
+ if ((dev->driver_info->flags & FLAG_NOARP) != 0)
+ net->flags |= IFF_NOARP;
+
/* maybe the remote can't receive an Ethernet MTU */
if (net->mtu > (dev->hard_mtu - net->hard_header_len))
net->mtu = dev->hard_mtu - net->hard_header_len;
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