Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:59039 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750893AbcBWJjm (ORCPT ); Tue, 23 Feb 2016 04:39:42 -0500 Message-ID: <1456220379.2041.0.camel@sipsolutions.net> (sfid-20160223_103946_670047_9805BEA6) Subject: Re: [PATCH] mac80211: minstrel_ht: set default tx aggregation timeout to 0 From: Johannes Berg To: Felix Fietkau , linux-wireless@vger.kernel.org Cc: apenwarr@gmail.com Date: Tue, 23 Feb 2016 10:39:39 +0100 In-Reply-To: <1455821358-37534-1-git-send-email-nbd@openwrt.org> References: <1455821358-37534-1-git-send-email-nbd@openwrt.org> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, 2016-02-18 at 19:49 +0100, Felix Fietkau wrote: > The value 5000 was put here with the addition of the timeout field to > ieee80211_start_tx_ba_session. It was originally added in mac80211 to > save resources for drivers like iwlwifi, which only supports a > limited > number of concurrent aggregation sessions. > > Since iwlwifi does not use minstrel_ht and other drivers don't need > this, 0 is a better default - especially since there have been > recent reports of aggregation setup related issues reproduced with > ath9k. This should improve stability without causing any adverse > effects. > Applied, thanks. johannes