From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:57421 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757734AbcILJ6t (ORCPT ); Mon, 12 Sep 2016 05:58:49 -0400 Message-ID: <1473674327.29016.3.camel@sipsolutions.net> (sfid-20160912_120042_939812_458CEE97) Subject: Re: [PATCH] mac80211: fix sequence number assignment for PS response frames From: Johannes Berg To: Felix Fietkau , linux-wireless@vger.kernel.org Date: Mon, 12 Sep 2016 11:58:47 +0200 In-Reply-To: <20160904160059.66297-1-nbd@nbd.name> (sfid-20160904_180104_088886_B2893E34) References: <20160904160059.66297-1-nbd@nbd.name> (sfid-20160904_180104_088886_B2893E34) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, 2016-09-04 at 18:00 +0200, Felix Fietkau wrote: > When using intermediate queues, sequence number allocation is > deferred > until dequeue. This doesn't work for PS response frames, which bypass > those queues. > Applied. This worries me a bit though - there's nothing, afaict, that guarantees that dequeue and real TX are not concurrent, and that would corrupt a number of things, no? johannes