From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 868ACC43219 for ; Tue, 30 Apr 2019 07:03:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 64BCF2075E for ; Tue, 30 Apr 2019 07:03:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726369AbfD3HDs (ORCPT ); Tue, 30 Apr 2019 03:03:48 -0400 Received: from nbd.name ([46.4.11.11]:60878 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725769AbfD3HDr (ORCPT ); Tue, 30 Apr 2019 03:03:47 -0400 Received: from p548c87b5.dip0.t-ipconnect.de ([84.140.135.181] helo=bertha.fritz.box) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1hLMnp-0008Ac-1O; Tue, 30 Apr 2019 09:03:45 +0200 From: John Crispin To: Johannes Berg , Kalle Valo Cc: linux-wireless@vger.kernel.org, John Crispin , Shashidhar Lakkavalli Subject: [PATCH V2 1/3] mac80211: dynamically enable the TWT requester support on STA interfaces Date: Tue, 30 Apr 2019 09:03:36 +0200 Message-Id: <20190430070338.4006-2-john@phrozen.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190430070338.4006-1-john@phrozen.org> References: <20190430070338.4006-1-john@phrozen.org> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org 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 ac2ed8ec662b..2504a6cd8ca9 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 2dbcf5d5512e..0d6ede3b6320 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; @@ -3994,6 +4006,8 @@ 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, -- 2.11.0