From patchwork Thu Jan 19 22:12:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sriram R X-Patchwork-Id: 644589 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90A3DC004D4 for ; Thu, 19 Jan 2023 22:29:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230159AbjASW3W (ORCPT ); Thu, 19 Jan 2023 17:29:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230125AbjASW2l (ORCPT ); Thu, 19 Jan 2023 17:28:41 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EC8BC1331 for ; Thu, 19 Jan 2023 14:13:05 -0800 (PST) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30JKpN8s004003; Thu, 19 Jan 2023 22:12:58 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=qcppdkim1; bh=cRnPTJuBLUk4SAYzUK1Z92hXbmCVfMypcklD9yFONuw=; b=PzmSf5EQRS6OS1RzIDh34u3+29eplrsuIpuwb0YTTjwTimWW43fDJ6Z65liq/KZiNQzU qt1cNLDgwIGZpJiGcJj0KsnDstLqDiRWBIABxg4yjDZ4nZVsy+wLgb3Zay/GvDqsR/DJ YXCFMuck4wI6a2kCrBFmmoaLNwTwS5MSLJnE3+JnHAlw8ffO0Vyx27904A4XvVncWBdK ePqO6ZujX4J0NWBQPy4xPapZHpmPTaJznH+F3vlI6kpnJ7KtR7bX5rCLUtCHQI6viSDj CMgPTogqYRvqjsIMNlM637fUzgRlhVchSlAUTDM0uD4BRDsxdiu7JHGdcr3S4BF8wuOW jQ== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3n7593sadf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Jan 2023 22:12:58 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 30JMCvHe010624 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Jan 2023 22:12:57 GMT Received: from srirrama-linux.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Thu, 19 Jan 2023 14:12:55 -0800 From: Sriram R To: CC: , Sriram R Subject: [PATCH v2] wifi: mac80211: support poll sta for ML clients Date: Fri, 20 Jan 2023 03:42:40 +0530 Message-ID: <20230119221240.24441-1-quic_srirrama@quicinc.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: qJeV2CDaYmoklREhwIKFW3rAQUff8giy X-Proofpoint-ORIG-GUID: qJeV2CDaYmoklREhwIKFW3rAQUff8giy X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-19_14,2023-01-19_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=720 spamscore=0 suspectscore=0 mlxscore=0 adultscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 bulkscore=0 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301190187 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Update the client probe handling which sends Null data frames to check inactivity to support ML Stations as well. Replace the use of default bss conf with the link specific conf and use the stations default link to send the probe frame. Non ML Stations associated to the ML AP would use its default link as well which is one of the active links. For Non ML AP, the default link id is 0 and it is taken care as well. Signed-off-by: Sriram R --- v2: Updated wifi prefix in commit title net/mac80211/cfg.c | 35 +++++++++++++++++++++++++++-------- 1 file changed, 27 insertions(+), 8 deletions(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c885076fae89..72df8c708a2d 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3980,17 +3980,13 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_chanctx_conf *chanctx_conf; enum nl80211_band band; int ret; + u8 link_id; + struct ieee80211_bss_conf *conf; /* the lock is needed to assign the cookie later */ mutex_lock(&local->mtx); rcu_read_lock(); - chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); - if (WARN_ON(!chanctx_conf)) { - ret = -EINVAL; - goto unlock; - } - band = chanctx_conf->def.chan->band; sta = sta_info_get_bss(sdata, peer); if (sta) { qos = sta->sta.wme; @@ -3999,6 +3995,27 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, goto unlock; } + /* In case of ML vif, we shall use the default sta link to + * send the probe frame. For non ML vif the link id 0 is + * the deflink + */ + link_id = sta->deflink.link_id; + + conf = rcu_dereference(sdata->vif.link_conf[link_id]); + + if (unlikely(!conf)) { + ret = -ENOLINK; + goto unlock; + } + + chanctx_conf = rcu_dereference(conf->chanctx_conf); + if (WARN_ON(!chanctx_conf)) { + ret = -EINVAL; + goto unlock; + } + + band = chanctx_conf->def.chan->band; + if (qos) { fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC | @@ -4024,8 +4041,8 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, nullfunc->frame_control = fc; nullfunc->duration_id = 0; memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); - memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); - memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); + memcpy(nullfunc->addr2, conf->addr, ETH_ALEN); + memcpy(nullfunc->addr3, conf->addr, ETH_ALEN); nullfunc->seq_ctrl = 0; info = IEEE80211_SKB_CB(skb); @@ -4034,6 +4051,8 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, IEEE80211_TX_INTFL_NL80211_FRAME_TX; info->band = band; + info->control.flags |= u32_encode_bits(link_id, IEEE80211_TX_CTRL_MLO_LINK); + skb_set_queue_mapping(skb, IEEE80211_AC_VO); skb->priority = 7; if (qos)