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usbnet: add new flag FLAG_NOARP for usb net devices

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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>
This commit is contained in:
Wei Shuai
2013-01-21 06:00:31 +00:00
committed by David S. Miller
parent f91f33452b
commit 6509141f9c
2 changed files with 5 additions and 0 deletions
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include/linux/usb/usbnet.h
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@@ -100,6 +100,7 @@ struct driver_info {
#define FLAG_LINK_INTR 0x0800 /* updates link (carrier) status */
#define FLAG_POINTTOPOINT 0x1000 /* possibly use "usb%d" names */
#define FLAG_NOARP 0x2000 /* device can't do ARP */
/*
* Indicates to usbnet, that USB driver accumulates multiple IP packets.