From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Wei Shuai" Subject: net: usb: cdc_ncm: add support IFF_NOARP Date: Tue, 8 Jan 2013 21:14:47 +0800 Message-ID: <001601cdeda2$2547a6b0$6fd6f410$@com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: , To: "'Greg Kroah-Hartman'" , "'Alexey Orishko'" , "'Hans Petter Selasky'" Return-path: Received: from mail-da0-f45.google.com ([209.85.210.45]:38077 "EHLO mail-da0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755808Ab3AHNOz (ORCPT ); Tue, 8 Jan 2013 08:14:55 -0500 Content-Language: zh-cn Sender: netdev-owner@vger.kernel.org List-ID: Hi Alexey, Recently I met a Modem which cannot do ARP. But I found our cdc_ncm_bind() function cannot handle this special case. Do you have any plan to handle it? static int cdc_ncm_bind(struct usbnet *dev, struct usb_interface *intf) { ... /* cannot do ARP */ dev->net->flags |= IFF_NOARP; ... }