netdev - Re: [PATCH] net: Add etun driver

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Date:	Tue, 10 Apr 2007 08:18:56 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Patrick McHardy <kaber@...sh.net>, greearb@...delatech.com,
	containers@...ts.osdl.org, shemminger@...ux-foundation.org,
	kuznet@....inr.ac.ru, dim@...nvz.org, netdev@...r.kernel.org,
	akpm@...ux-foundation.org, jgarzik@...ox.com,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH] net: Add etun driver

On Tue, 2007-04-10 at 00:08 -0600, Eric W. Biederman wrote:

> How are you specifying which piece of hardware today?  By interface name?

By wiphy index, which is just the hardware identifier we give each
802.11 device present on the system (if it uses cfg80211)

> What function do your virtual devices serve?

Basically you can have a monitor, access point and WDS link running on
the same 802.11 MAC at the same time and that's what we need to present,
each one as a netdev.

johannes

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