From patchwork Thu May 22 05:02:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bing Zhao X-Patchwork-Id: 4220251 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 1B02ABEEAB for ; Thu, 22 May 2014 05:02:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 169EE202EB for ; Thu, 22 May 2014 05:02:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 39B7F202E6 for ; Thu, 22 May 2014 05:02:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751196AbaEVFCx (ORCPT ); Thu, 22 May 2014 01:02:53 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:1873 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751203AbaEVFCw (ORCPT ); Thu, 22 May 2014 01:02:52 -0400 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.14.5/8.14.5) with SMTP id s4M52c38023592; Wed, 21 May 2014 22:02:38 -0700 Received: from sc-owa04.marvell.com ([199.233.58.150]) by mx0b-0016f401.pphosted.com with ESMTP id 1m0mya4mk4-10 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Wed, 21 May 2014 22:02:38 -0700 Received: from maili.marvell.com (10.93.76.43) by sc-owa02.marvell.com (10.93.76.33) with Microsoft SMTP Server id 8.3.327.1; Wed, 21 May 2014 22:02:35 -0700 Received: from u910-64.marvell.com (unknown [10.80.112.61]) by maili.marvell.com (Postfix) with ESMTP id C5BA73F7041; Wed, 21 May 2014 22:02:35 -0700 (PDT) From: Bing Zhao To: CC: "John W. Linville" , Avinash Patil , Amitkumar Karwar , Maithili Hinge , Xinming Hu , Bing Zhao Subject: [PATCH 3/5] mwifiex: delete TDLS link upon Teardown event Date: Wed, 21 May 2014 22:02:29 -0700 Message-ID: <1400734951-6851-3-git-send-email-bzhao@marvell.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1400734951-6851-1-git-send-email-bzhao@marvell.com> References: <1400734951-6851-1-git-send-email-bzhao@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.11.96, 1.0.14, 0.0.0000 definitions=2014-05-22_02:2014-05-22, 2014-05-22, 1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1402240000 definitions=main-1405220065 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, 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: Avinash Patil If userspace application does not take care of TDLS teardown event, TDLS link would be present in driver database and thus driver would send such packets on direct link while peer has already severed link causing data traffic failure. Disable TDLS link upon teardown event so as to ensure this does not happen. Signed-off-by: Avinash Patil Signed-off-by: Bing Zhao --- drivers/net/wireless/mwifiex/sta_event.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index 5aea719..f6395ef 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -137,6 +137,7 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code) static int mwifiex_parse_tdls_event(struct mwifiex_private *priv, struct sk_buff *event_skb) { + int ret = 0; struct mwifiex_adapter *adapter = priv->adapter; struct mwifiex_sta_node *sta_ptr; struct mwifiex_tdls_generic_event *tdls_evt = @@ -162,12 +163,15 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv, NL80211_TDLS_TEARDOWN, le16_to_cpu(tdls_evt->u.reason_code), GFP_KERNEL); + ret = mwifiex_tdls_oper(priv, tdls_evt->peer_mac, + MWIFIEX_TDLS_DISABLE_LINK); + queue_work(adapter->workqueue, &adapter->main_work); break; default: break; } - return 0; + return ret; } /*