From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wi0-f180.google.com ([209.85.212.180]:45218 "EHLO mail-wi0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752248AbbBXVLe (ORCPT ); Tue, 24 Feb 2015 16:11:34 -0500 Received: by mail-wi0-f180.google.com with SMTP id h11so473701wiw.1 for ; Tue, 24 Feb 2015 13:11:33 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <1424810867.2192.60.camel@sipsolutions.net> References: <1424772587.2192.14.camel@sipsolutions.net> <1424774105.2192.29.camel@sipsolutions.net> <1424810867.2192.60.camel@sipsolutions.net> From: Krishna Chaitanya Date: Wed, 25 Feb 2015 02:41:13 +0530 Message-ID: (sfid-20150224_221138_030310_0D65C218) Subject: Re: Connection issues with BW Tracking in mac80211 To: Johannes Berg Cc: linux-wireless Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Feb 25, 2015 at 2:17 AM, Johannes Berg wrote: > 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. We do have the scan results expiry time of 30secs, that will flush the results from bss_list right? Even the get_bss checks for aging? > > This sounds synthetic - just run your test scripts with "iw wlan0 scan > flush". Sure, will give it a shot.