Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:36518 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751968Ab2JALOi (ORCPT ); Mon, 1 Oct 2012 07:14:38 -0400 Message-ID: <1349090111.10330.24.camel@jlt4.sipsolutions.net> (sfid-20121001_131442_086223_C0A68BB6) Subject: Re: [PATCH v2 4/5] mac80211: add support for tx to abort low priority scan requests From: Johannes Berg To: Sam Leffler Cc: Bing Zhao , linux-wireless@vger.kernel.org, "John W. Linville" , Amitkumar Karwar , Avinash Patil , Nishant Sarmukadam , Stone Piao , Frank Huang Date: Mon, 01 Oct 2012 13:15:11 +0200 In-Reply-To: (sfid-20120928_223812_285836_7DBC4592) References: <1348772354-15936-1-git-send-email-bzhao@marvell.com> <1348772354-15936-5-git-send-email-bzhao@marvell.com> <1348830401.13298.27.camel@jlt4.sipsolutions.net> (sfid-20120928_223812_285836_7DBC4592) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, 2012-09-28 at 13:38 -0700, Sam Leffler wrote: > > Maybe we should have different flags though ... I mean, this is the > > first implementation that I hear of that interprets a background scan as > > "ok to abort at any time"? It seems very unlikely that other > > implementations would do that. I *think* (like I said before, I don't > > really know) that ours (Intel's) will just shorten the dwell time, or > > similar instead. > > Well previous implementations I've done have used this technique for > many years and you can find them in various products (assuming they > haven't been totally rewritten) :-) :-) You convinced me before though with the abort/not-abort notification being sufficient, so I think we can do with the low-priority flag and any kind of implementation. johannes