From patchwork Wed Jan 31 10:54:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tamizh chelvam X-Patchwork-Id: 10193909 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 98E7E60383 for ; Wed, 31 Jan 2018 10:58:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C84E8223C6 for ; Wed, 31 Jan 2018 10:58:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BCF3B285E8; Wed, 31 Jan 2018 10:58:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5AEB3223C6 for ; Wed, 31 Jan 2018 10:58:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752775AbeAaK6b (ORCPT ); Wed, 31 Jan 2018 05:58:31 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:41870 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752497AbeAaK6a (ORCPT ); Wed, 31 Jan 2018 05:58:30 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 452D7607F7; Wed, 31 Jan 2018 10:58:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1517396310; bh=vo6Bv3KDt3vrVOUNHJ+Ryu7mKrM6zLOwIxsL2+D1Oyc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hqtfT+Vh+4wPx3qJ0gyJMhzMthFdpLoLFftm4KY2s/b4RNoe5jIdRrIf1h8+dCtAP MvM1wAP7CzUFS3zE1CZK90AmCBEZhGRsnfcJepBJQsySQ4Qfi2RL4UiplEd8to1E3D nf/y0e3SSryey2nmcje3f4VF44hxWgnlKS6YlPWs= Received: from cheath10p342229-lin.qca.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: tamizhr@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9B4816053B; Wed, 31 Jan 2018 10:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1517396309; bh=vo6Bv3KDt3vrVOUNHJ+Ryu7mKrM6zLOwIxsL2+D1Oyc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hAuKVP/sdmwlKZkNr4XQUolHim79/KdSZixz0h1b3xCuciRExHaxlmPT3ZIpcRA9l fJsB6Nj17nqSaSe4NRl4f/O3Ud9wF5VsL4c+kFBh5kq1x1FgVLfHnbanvfQ3hqZP42 mP8frCOcbOSqj93UkSq+LuJ/s2fYwTx5kALa+n+4= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 9B4816053B Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=tamizhr@codeaurora.org From: Tamizh chelvam To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Tamizh chelvam Subject: [PATCHv3 2/2] mac80211: Add support to notify ht/vht opmode modification. Date: Wed, 31 Jan 2018 16:24:50 +0530 Message-Id: <1517396090-4688-2-git-send-email-tamizhr@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1517396090-4688-1-git-send-email-tamizhr@codeaurora.org> References: <1517396090-4688-1-git-send-email-tamizhr@codeaurora.org> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This will add support to send an event to a userspace application whenever station advertise its ht/vht opmode modification through an action frame. Signed-off-by: Tamizh chelvam --- v3: * Initialized the sta_opmode_info structure variable before using net/mac80211/rx.c | 14 ++++++++++++++ net/mac80211/vht.c | 9 +++++++++ 2 files changed, 23 insertions(+) diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index fd58061..e755f93 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2848,6 +2848,7 @@ static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata, case WLAN_HT_ACTION_SMPS: { struct ieee80211_supported_band *sband; enum ieee80211_smps_mode smps_mode; + struct sta_opmode_info sta_opmode = {}; /* convert to HT capability */ switch (mgmt->u.action.u.ht_smps.smps_control) { @@ -2868,17 +2869,24 @@ static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata, if (rx->sta->sta.smps_mode == smps_mode) goto handled; rx->sta->sta.smps_mode = smps_mode; + sta_opmode.smps_mode = smps_mode; + sta_opmode.changed = STA_OPMODE_SMPS_MODE_CHANGED; sband = rx->local->hw.wiphy->bands[status->band]; rate_control_rate_update(local, sband, rx->sta, IEEE80211_RC_SMPS_CHANGED); + cfg80211_sta_opmode_change_notify(sdata->dev, + rx->sta->addr, + &sta_opmode, + GFP_KERNEL); goto handled; } case WLAN_HT_ACTION_NOTIFY_CHANWIDTH: { struct ieee80211_supported_band *sband; u8 chanwidth = mgmt->u.action.u.ht_notify_cw.chanwidth; enum ieee80211_sta_rx_bandwidth max_bw, new_bw; + struct sta_opmode_info sta_opmode = {}; /* If it doesn't support 40 MHz it can't change ... */ if (!(rx->sta->sta.ht_cap.cap & @@ -2899,9 +2907,15 @@ static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata, rx->sta->sta.bandwidth = new_bw; sband = rx->local->hw.wiphy->bands[status->band]; + sta_opmode.bw = new_bw; + sta_opmode.changed = STA_OPMODE_MAX_BW_CHANGED; rate_control_rate_update(local, sband, rx->sta, IEEE80211_RC_BW_CHANGED); + cfg80211_sta_opmode_change_notify(sdata->dev, + rx->sta->addr, + &sta_opmode, + GFP_KERNEL); goto handled; } default: diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index b9276ac..5714dee 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -447,6 +447,7 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, enum nl80211_band band) { enum ieee80211_sta_rx_bandwidth new_bw; + struct sta_opmode_info sta_opmode = {}; u32 changed = 0; u8 nss; @@ -460,7 +461,9 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, if (sta->sta.rx_nss != nss) { sta->sta.rx_nss = nss; + sta_opmode.rx_nss = nss; changed |= IEEE80211_RC_NSS_CHANGED; + sta_opmode.changed |= STA_OPMODE_N_SS_CHANGED; } switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) { @@ -481,9 +484,15 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, new_bw = ieee80211_sta_cur_vht_bw(sta); if (new_bw != sta->sta.bandwidth) { sta->sta.bandwidth = new_bw; + sta_opmode.bw = new_bw; changed |= IEEE80211_RC_BW_CHANGED; + sta_opmode.changed |= STA_OPMODE_MAX_BW_CHANGED; } + if (sta_opmode.changed) + cfg80211_sta_opmode_change_notify(sdata->dev, sta->addr, + &sta_opmode, GFP_KERNEL); + return changed; }