From patchwork Wed May 7 05:02:44 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bing Zhao X-Patchwork-Id: 4125491 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B67C79F1E1 for ; Wed, 7 May 2014 05:03:13 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C7D4D20259 for ; Wed, 7 May 2014 05:03:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1F4D20256 for ; Wed, 7 May 2014 05:03:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751324AbaEGFDJ (ORCPT ); Wed, 7 May 2014 01:03:09 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:32627 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750920AbaEGFDH (ORCPT ); Wed, 7 May 2014 01:03:07 -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 s47531DJ016821; Tue, 6 May 2014 22:03:01 -0700 Received: from sc-owa04.marvell.com ([199.233.58.150]) by mx0b-0016f401.pphosted.com with ESMTP id 1kpnkuc0cw-10 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Tue, 06 May 2014 22:03:01 -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; Tue, 6 May 2014 22:02:59 -0700 Received: from u910-64.marvell.com (unknown [10.80.112.61]) by maili.marvell.com (Postfix) with ESMTP id C8D253F7040; Tue, 6 May 2014 22:02:58 -0700 (PDT) From: Bing Zhao To: CC: "John W. Linville" , Avinash Patil , Amitkumar Karwar , Maithili Hinge , Xinming Hu , Bing Zhao Subject: [PATCH 2/3] mwifiex: disable TDLS link upon tear down event Date: Tue, 6 May 2014 22:02:44 -0700 Message-ID: <1399438965-12221-2-git-send-email-bzhao@marvell.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1399438965-12221-1-git-send-email-bzhao@marvell.com> References: <1399438965-12221-1-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=2014-05-07_02:2014-05-06, 2014-05-07, 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-1405070069 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 This patch adds code to disable TDLS link upon reception of TDLS teardown event from peer. Teardown event can happen either because of TDLS teardown packet from peer or internal timeout configured during TDLS setup. Event is propogated to cfg80211 so that userspace application can take appropriate action. Signed-off-by: Avinash Patil Signed-off-by: Bing Zhao --- drivers/net/wireless/mwifiex/fw.h | 11 +++++++++ drivers/net/wireless/mwifiex/sta_event.c | 40 ++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index 28994ab..f0730bd 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -488,6 +488,7 @@ enum P2P_MODES { #define EVENT_UAP_MIC_COUNTERMEASURES 0x0000004c #define EVENT_HOSTWAKE_STAIE 0x0000004d #define EVENT_CHANNEL_SWITCH_ANN 0x00000050 +#define EVENT_TDLS_GENERIC_EVENT 0x00000052 #define EVENT_EXT_SCAN_REPORT 0x00000058 #define EVENT_REMAIN_ON_CHAN_EXPIRED 0x0000005f @@ -520,6 +521,7 @@ enum P2P_MODES { #define ACT_TDLS_DELETE 0x00 #define ACT_TDLS_CREATE 0x01 #define ACT_TDLS_CONFIG 0x02 +#define TDLS_EVENT_LINK_TEAR_DOWN 3 #define MWIFIEX_FW_V15 15 @@ -1753,6 +1755,15 @@ struct host_cmd_ds_802_11_subsc_evt { __le16 events; } __packed; +struct mwifiex_tdls_generic_event { + __le16 type; + u8 peer_mac[ETH_ALEN]; + union { + __le16 reason_code; + __le16 reserved; + } u; +} __packed; + struct mwifiex_ie { __le16 ie_index; __le16 mgmt_subtype_mask; diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index 368450c..5aea719 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -134,6 +134,42 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code) netif_carrier_off(priv->netdev); } +static int mwifiex_parse_tdls_event(struct mwifiex_private *priv, + struct sk_buff *event_skb) +{ + struct mwifiex_adapter *adapter = priv->adapter; + struct mwifiex_sta_node *sta_ptr; + struct mwifiex_tdls_generic_event *tdls_evt = + (void *)event_skb->data + sizeof(adapter->event_cause); + + /* reserved 2 bytes are not mandatory in tdls event */ + if (event_skb->len < (sizeof(struct mwifiex_tdls_generic_event) - + sizeof(u16) - sizeof(adapter->event_cause))) { + dev_err(adapter->dev, "Invalid event length!\n"); + return -1; + } + + sta_ptr = mwifiex_get_sta_entry(priv, tdls_evt->peer_mac); + if (!sta_ptr) { + dev_err(adapter->dev, "cannot get sta entry!\n"); + return -1; + } + + switch (le16_to_cpu(tdls_evt->type)) { + case TDLS_EVENT_LINK_TEAR_DOWN: + cfg80211_tdls_oper_request(priv->netdev, + tdls_evt->peer_mac, + NL80211_TDLS_TEARDOWN, + le16_to_cpu(tdls_evt->u.reason_code), + GFP_KERNEL); + break; + default: + break; + } + + return 0; +} + /* * This function handles events generated by firmware. * @@ -459,6 +495,10 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) false); break; + case EVENT_TDLS_GENERIC_EVENT: + ret = mwifiex_parse_tdls_event(priv, adapter->event_skb); + break; + default: dev_dbg(adapter->dev, "event: unknown event id: %#x\n", eventcause);