Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:42981 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932117Ab0HaG5I (ORCPT ); Tue, 31 Aug 2010 02:57:08 -0400 Subject: Re: What extra functionality does a driver need to support for access point functionality? From: Johannes Berg To: Charles Gordon Cc: linux-wireless@vger.kernel.org In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Date: Tue, 31 Aug 2010 08:58:49 +0200 Message-ID: <1283237929.3733.2.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, 2010-08-30 at 16:40 -0400, Charles Gordon wrote: > I'm trying to understand what additional features are needed in > drivers to support AP mode. I took a look at the mac80211 > documentation on the web site and all it says is that: [...] > This makes it seem like the driver doesn't have to do that much more > than it does normally. Somehow, I don't believe that's it can be that > easy. What else does the driver need to do to support something like > hostapd? That really is all it needs to do, assuming it is a mac80211 based driver. There are some minor details like not filtering the frames, obviously, but those aren't usually a problem. The most common issue is not being able to implement multicast-after-DTIM correctly. johannes