Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:41394 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752345AbbBXUrt (ORCPT ); Tue, 24 Feb 2015 15:47:49 -0500 Message-ID: <1424810867.2192.60.camel@sipsolutions.net> (sfid-20150224_214752_281898_0CFADFAC) Subject: Re: Connection issues with BW Tracking in mac80211 From: Johannes Berg To: Krishna Chaitanya Cc: linux-wireless Date: Tue, 24 Feb 2015 21:47:47 +0100 In-Reply-To: (sfid-20150224_213325_720148_1E90D9CE) References: <1424772587.2192.14.camel@sipsolutions.net> <1424774105.2192.29.camel@sipsolutions.net> (sfid-20150224_213325_720148_1E90D9CE) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, 2015-02-25 at 02:03 +0530, Krishna Chaitanya wrote: > Use case2: When changing from HT40-VHT80, the connection goes through > but it still connected as HT40 (vht_ie from cfg80211 is returned > null). > > Can you think of any reason why the bss_list is not updated cfg80211? > Note: iwconfig and wpa_supplicant both show same behavior. Well, there's no flushing, only overwriting by new results - but if you previuosly got both beacons and probe responses each one will stick around until you get them again. This sounds synthetic - just run your test scripts with "iw wlan0 scan flush". johannes