[PATCH 1/2] introduce flag FLAG_NOARP for usb net devices which cannot do ARP
From: Wei Shuai <hidden>
Date: 2013-01-19 11:47:57
Subsystem:
networking drivers, the rest, usb "usbnet" driver framework, usb networking drivers, usb subsystem · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Oliver Neukum, Greg Kroah-Hartman
Possibly related (same subject, not in this thread)
- 2013-01-20 · Re: [PATCH 1/2] introduce flag FLAG_NOARP for usb net devices which cannot do ARP · Wei Shuai <hidden>
- 2013-01-19 · Re: [PATCH 1/2] introduce flag FLAG_NOARP for usb net devices which cannot do ARP · David Miller <davem@davemloft.net>
- 2013-01-19 · [PATCH 1/2] introduce flag FLAG_NOARP for usb net devices which cannot do ARP · Wei Shuai <hidden>
- 2013-01-19 · [PATCH 1/2] introduce flag FLAG_NOARP for usb net devices which cannot do ARP · Wei Shuai <hidden>
- 2013-01-19 · [PATCH 1/2] introduce flag FLAG_NOARP for usb net devices which cannot do ARP · Wei Shuai <hidden>
Signed-off-by: Wei Shuai <redacted> --- drivers/net/usb/usbnet.c | 4 ++++ include/linux/usb/usbnet.h | 1 + 2 files changed, 5 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;
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index bd45eb7..5de7a22 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h@@ -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.
--
1.7.6.5
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