From patchwork Wed Aug 7 08:08:37 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antonio Quartulli X-Patchwork-Id: 2839983 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6C187BF535 for ; Wed, 7 Aug 2013 08:36:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5895520165 for ; Wed, 7 Aug 2013 08:36:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DF39C2015A for ; Wed, 7 Aug 2013 08:36:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756301Ab3HGIgM (ORCPT ); Wed, 7 Aug 2013 04:36:12 -0400 Received: from contumacia.investici.org ([178.255.144.35]:46926 "EHLO contumacia.investici.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756506Ab3HGIgK (ORCPT ); Wed, 7 Aug 2013 04:36:10 -0400 X-Greylist: delayed 1613 seconds by postgrey-1.27 at vger.kernel.org; Wed, 07 Aug 2013 04:36:09 EDT Received: from [178.255.144.35] (contumacia [178.255.144.35]) (Authenticated sender: ordex@autistici.org) by localhost (Postfix) with ESMTPSA id AC761E8191; Wed, 7 Aug 2013 08:09:14 +0000 (UTC) X-DKIM: OpenDKIM Filter v2.6.8 contumacia.investici.org AC761E8191 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=autistici.org; s=stigmate; t=1375862955; bh=WCTuyRtqqq1K/Mn5+RvwtbUJV0iKs8y7BoPMlTSPjPU=; h=From:To:Cc:Subject:Date; b=PcZANF714bprpgNtq5z0XkNBI7PrXRk23sJ9iuPbM9mPvKQtPZBfd21c/Xvypn88r YrHWztHOhEwfYC/8ZBCMUwtXIiEehhJGxmIV66CIFO6JpPjKR++mjGkC1T9EhrspeU W/TVnGDmtOr5P13Gs/dwIGKBveclhuqw4ZQb9iWQ= From: Antonio Quartulli To: Johannes Berg Cc: linux-wireless@vger.kernel.org, Antonio Quartulli Subject: [PATCH] mac80211: ibss - immediately create a cell if bssid and freq have been provided Date: Wed, 7 Aug 2013 10:08:37 +0200 Message-Id: <1375862917-3625-1-git-send-email-ordex@autistici.org> X-Mailer: git-send-email 1.8.1.5 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.0 required=5.0 tests=BAYES_00,DKIM_ADSP_ALL, DKIM_SIGNED, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Antonio Quartulli The current behaviour when not finding the cbss in the local list is to always scan before creating the IBSS. However if bssid and freq have been provided (and fixed_freq is set) it is possible to immediately create the cell and avoid wasting time with the scan operation. Signed-off-by: Antonio Quartulli --- net/mac80211/ibss.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index e08387c..811207a 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -891,6 +891,17 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata) return; } + /* if a fixed bssid and a fixed freq have been provided create the IBSS + * directly and do not waste time scanning + */ + if (!cbss && ifibss->fixed_bssid && ifibss->fixed_channel) { + sdata_info(sdata, "Created IBSS using preconfigured BSSID %pM\n", + bssid); + ieee80211_sta_create_ibss(sdata); + return; + } + + ibss_dbg(sdata, "sta_find_ibss: did not try to join ibss\n"); /* Selected IBSS not found in current scan results - try to scan */