Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:34701 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753526Ab2CONaQ (ORCPT ); Thu, 15 Mar 2012 09:30:16 -0400 Subject: mac80211 20/40 coexist From: Johannes Berg To: linux-wireless Cc: Rajkumar Manoharan Content-Type: text/plain; charset="UTF-8" Date: Thu, 15 Mar 2012 14:30:14 +0100 Message-ID: <1331818214.3432.12.camel@jlt3.sipsolutions.net> (sfid-20120315_143021_596556_86CB54CA) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, The commit "mac80211: stop tx before doing hw config and rate update" (and a later commit fixing it) introduced a queue stop & flush on switching 20/40. I'm working on not calling hw_config() for switching between 20/40 but instead only calling rate_control_rate_update() and ieee80211_bss_info_change_notify() to tell the rate control and driver. If we do that, is it still necessary to stop the queues for it? It seems like it shouldn't. johannes