netdev - Re: [PATCH] CDC_NCM adding support IFF_NOARP for infineon modem platform

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Date:	Sat, 12 Jan 2013 15:35:33 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	cpuwolf@...il.com
Cc:	gregkh@...uxfoundation.org, alexey.orishko@...ricsson.com,
	bjorn@...k.no, linux-usb@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] CDC_NCM adding support IFF_NOARP for infineon modem
 platform

From: Wei Shuai <cpuwolf@...il.com>
Date: Sat, 12 Jan 2013 19:34:39 +0800

> Infineon(now Intel) HSPA Modem platform NCM cannot support ARP. so I
> introduce a flag CDC_NCM_DRIVER_DATA_NOARP which is defined in
> driver_info:data. so later on, if more such buggy devices are found,
> they could use same flag to handle.

Is it no able to do ARP or, the more likely case, does broadcast
not work at all?

If it's the latter, IFF_NOARP is just making over the real problem.

I'm not applying this, no hardware device should set IFF_NOARP.
You probably really want IFF_POINTOPOINT or similar.
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