From patchwork Mon Jun 1 18:02:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avinash Patil X-Patchwork-Id: 6521701 X-Patchwork-Delegate: kvalo@adurom.com 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 7E7F29F1CC for ; Mon, 1 Jun 2015 12:33:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7EB37205EE for ; Mon, 1 Jun 2015 12:33:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5E11D203E5 for ; Mon, 1 Jun 2015 12:33:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753066AbbFAMdv (ORCPT ); Mon, 1 Jun 2015 08:33:51 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:7795 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752504AbbFAMdt (ORCPT ); Mon, 1 Jun 2015 08:33:49 -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 t51CUM7e028423 for ; Mon, 1 Jun 2015 05:33:48 -0700 Received: from sc-owa03.marvell.com ([199.233.58.149]) by mx0b-0016f401.pphosted.com with ESMTP id 1urjjr0nef-1 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT) for ; Mon, 01 Jun 2015 05:33:47 -0700 Received: from maili.marvell.com (10.93.76.83) by SC-OWA03.marvell.com (10.93.76.24) with Microsoft SMTP Server id 8.3.327.1; Mon, 1 Jun 2015 05:33:45 -0700 Received: from pe-lt950 (unknown [10.31.130.89]) by maili.marvell.com (Postfix) with ESMTP id EF8DC3F7040; Mon, 1 Jun 2015 05:33:44 -0700 (PDT) Received: from pe-lt950 (localhost [127.0.0.1]) by pe-lt950 (8.14.7/8.14.7) with ESMTP id t51I3esk015855; Mon, 1 Jun 2015 23:33:40 +0530 Received: (from root@localhost) by pe-lt950 (8.14.7/8.14.7/Submit) id t51I3dD1015854; Mon, 1 Jun 2015 23:33:39 +0530 From: Avinash Patil To: CC: , , , Avinash Patil Subject: [PATCHv4 11/17] mwifiex: parse power constraint IE from Tail Date: Mon, 1 Jun 2015 23:32:09 +0530 Message-ID: <1433181735-15712-12-git-send-email-patila@marvell.com> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1433181735-15712-1-git-send-email-patila@marvell.com> References: <1433181735-15712-1-git-send-email-patila@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151, 1.0.33, 0.0.0000 definitions=2015-06-01_03:2015-05-29, 2015-06-01, 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-1506010160 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 This patch adds support to parse power constraint IEs from Tail buffer. This power constraint is then set to FW during bss_config download. Signed-off-by: Avinash Patil Signed-off-by: Cathy Luo --- drivers/net/wireless/mwifiex/cfg80211.c | 3 +++ drivers/net/wireless/mwifiex/fw.h | 6 ++++++ drivers/net/wireless/mwifiex/ioctl.h | 1 + drivers/net/wireless/mwifiex/main.h | 3 +++ drivers/net/wireless/mwifiex/uap_cmd.c | 27 +++++++++++++++++++++++++++ 5 files changed, 40 insertions(+) diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 5274502..f14cad7 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1867,6 +1867,9 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, mwifiex_set_wmm_params(priv, bss_cfg, params); + if (mwifiex_is_11h_active(priv)) + mwifiex_set_tpc_params(priv, bss_cfg, params); + if (mwifiex_is_11h_active(priv) && !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, priv->bss_mode)) { diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index bcf08c9..72f161e 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -128,6 +128,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define TLV_TYPE_UAP_SSID 0x0000 #define TLV_TYPE_UAP_RATES 0x0001 +#define TLV_TYPE_PWR_CONSTRAINT 0x0020 #define PROPRIETARY_TLV_BASE_ID 0x0100 #define TLV_TYPE_KEY_MATERIAL (PROPRIETARY_TLV_BASE_ID + 0) @@ -1780,6 +1781,11 @@ struct host_cmd_tlv_ageout_timer { __le32 sta_ao_timer; } __packed; +struct host_cmd_tlv_power_constraint { + struct mwifiex_ie_types_header header; + u8 constraint; +} __packed; + struct host_cmd_ds_version_ext { u8 version_str_sel; char version_str[128]; diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h index 6f11a25..4f0174c 100644 --- a/drivers/net/wireless/mwifiex/ioctl.h +++ b/drivers/net/wireless/mwifiex/ioctl.h @@ -113,6 +113,7 @@ struct mwifiex_uap_bss_param { u32 sta_ao_timer; u32 ps_sta_ao_timer; u8 qos_info; + u8 power_constraint; struct mwifiex_types_wmm_info wmm_info; }; diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 837e610..d92c527 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -1149,6 +1149,9 @@ void mwifiex_set_ht_params(struct mwifiex_private *priv, void mwifiex_set_vht_params(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_cfg, struct cfg80211_ap_settings *params); +void mwifiex_set_tpc_params(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params); void mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg, struct cfg80211_ap_settings *params); void mwifiex_set_vht_width(struct mwifiex_private *priv, diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c index 9510f1e..a62b43e 100644 --- a/drivers/net/wireless/mwifiex/uap_cmd.c +++ b/drivers/net/wireless/mwifiex/uap_cmd.c @@ -222,6 +222,23 @@ void mwifiex_set_vht_params(struct mwifiex_private *priv, return; } +/* This function updates 11ac related parameters from IE + * and sets them into bss_config structure. + */ +void mwifiex_set_tpc_params(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *tpc_ie; + + tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail, + params->beacon.tail_len); + if (tpc_ie) + bss_cfg->power_constraint = *(tpc_ie + 2); + else + bss_cfg->power_constraint = 0; +} + /* Enable VHT only when cfg80211_ap_settings has VHT IE. * Otherwise disable VHT. */ @@ -466,6 +483,7 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) struct host_cmd_tlv_auth_type *auth_type; struct host_cmd_tlv_rates *tlv_rates; struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer; + struct host_cmd_tlv_power_constraint *pwr_ct; struct mwifiex_ie_types_htcap *htcap; struct mwifiex_ie_types_wmmcap *wmm_cap; struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; @@ -644,6 +662,15 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) tlv += sizeof(*ao_timer); } + if (bss_cfg->power_constraint) { + pwr_ct = (void *)tlv; + pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT); + pwr_ct->header.len = cpu_to_le16(sizeof(u8)); + pwr_ct->constraint = bss_cfg->power_constraint; + cmd_size += sizeof(*pwr_ct); + tlv += sizeof(*pwr_ct); + } + if (bss_cfg->ps_sta_ao_timer) { ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; ps_ao_timer->header.type =