From patchwork Tue May 28 11:49:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Crispin X-Patchwork-Id: 10964759 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-2.web.codeaurora.org (Postfix) with ESMTP id 21EA1933 for ; Tue, 28 May 2019 11:50:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 12EAE28635 for ; Tue, 28 May 2019 11:50:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 075B1287F9; Tue, 28 May 2019 11:50:10 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI 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 9F75228701 for ; Tue, 28 May 2019 11:50:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726943AbfE1LuI (ORCPT ); Tue, 28 May 2019 07:50:08 -0400 Received: from nbd.name ([46.4.11.11]:55670 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726780AbfE1LuH (ORCPT ); Tue, 28 May 2019 07:50:07 -0400 Received: from p5dcfb1b7.dip0.t-ipconnect.de ([93.207.177.183] helo=bertha.datto.lan) by ds12 with esmtpa (Exim 4.89) (envelope-from ) id 1hVacG-0005pk-EK; Tue, 28 May 2019 13:50:04 +0200 From: John Crispin To: Johannes Berg Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, John Crispin , Shashidhar Lakkavalli Subject: [PATCH V2 1/6] mac80211: dynamically enable the TWT requester support on STA interfaces Date: Tue, 28 May 2019 13:49:47 +0200 Message-Id: <20190528114952.838-2-john@phrozen.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190528114952.838-1-john@phrozen.org> References: <20190528114952.838-1-john@phrozen.org> MIME-Version: 1.0 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 Turn TWT for STA interfaces when they associate and/or receive a beacon where the twt_responder bit has changed. Signed-off-by: Shashidhar Lakkavalli Signed-off-by: John Crispin --- include/net/mac80211.h | 2 ++ net/mac80211/mlme.c | 18 ++++++++++++++++-- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index bebb3ef4efa1..b41a9351434f 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -317,6 +317,7 @@ struct ieee80211_vif_chanctx_switch { * @BSS_CHANGED_MCAST_RATE: Multicast Rate setting changed for this interface * @BSS_CHANGED_FTM_RESPONDER: fime timing reasurement request responder * functionality changed for this BSS (AP mode). + * @BSS_CHANGED_TWT: TWT status changed * */ enum ieee80211_bss_change { @@ -347,6 +348,7 @@ enum ieee80211_bss_change { BSS_CHANGED_KEEP_ALIVE = 1<<24, BSS_CHANGED_MCAST_RATE = 1<<25, BSS_CHANGED_FTM_RESPONDER = 1<<26, + BSS_CHANGED_TWT = 1<<27, /* when adding here, make sure to change ieee80211_reconfig */ }; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 0684d1250d8a..32309f13fcb1 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3151,6 +3151,19 @@ static bool ieee80211_twt_req_supported(const struct sta_info *sta, IEEE80211_HE_MAC_CAP0_TWT_RES; } +static int ieee80211_recalc_twt_req(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct ieee802_11_elems *elems) +{ + bool twt = ieee80211_twt_req_supported(sta, elems); + + if (sdata->vif.bss_conf.twt_requester != twt) { + sdata->vif.bss_conf.twt_requester = twt; + return BSS_CHANGED_TWT; + } + return 0; +} + static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, struct cfg80211_bss *cbss, struct ieee80211_mgmt *mgmt, size_t len) @@ -3333,8 +3346,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, sta); bss_conf->he_support = sta->sta.he_cap.has_he; - bss_conf->twt_requester = - ieee80211_twt_req_supported(sta, &elems); + changed |= ieee80211_recalc_twt_req(sdata, sta, &elems); } else { bss_conf->he_support = false; bss_conf->twt_requester = false; @@ -3995,6 +4007,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, mutex_lock(&local->sta_mtx); sta = sta_info_get(sdata, bssid); + changed |= ieee80211_recalc_twt_req(sdata, sta, &elems); + if (ieee80211_config_bw(sdata, sta, elems.ht_cap_elem, elems.ht_operation, elems.vht_operation, elems.he_operation,