From patchwork Fri Feb 16 14:39:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aditya Kumar Singh X-Patchwork-Id: 774072 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9763212EBC4 for ; Fri, 16 Feb 2024 14:39:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708094383; cv=none; b=kYa6Gs29Zh7cxSqX324SswTgUTDq6FGDZFhm43K+pGDN4uCna+c8YytvWAsRdunhuiCyd5pJAyuEt4vRKvyShsKT5JY2n/igVr4RhteV1elx9kTnqfOqMN5/X5YbN/q3vT73FZyVtRQwfhtcbhNFaBBdh73aTPfKOz9JzO+HI7Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708094383; c=relaxed/simple; bh=L3Frt1sAlvzP0+vXFGyxXcQP1BRTyDqVS44KT/ZhMu4=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=GmZ7i191TTuDukqeK9JZ22pfiVaPxk9+47AI5fcrXT/eZ93TLnPo5t3uwCRndygJTdag2sfwd9owUcBRArMzNCyiyxPcE789ydSvGNEOT39ihybttwIdnZs5G/0j2IRS47ykXYuRA6z6sv92/07v2V7VCnM+o3rLG1RuXwgIUmg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=RN7mQWU4; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="RN7mQWU4" Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 41GBqEEM029459; Fri, 16 Feb 2024 14:39:38 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= qcppdkim1; bh=NkknhrwVhBJuRU/2AEnFLKIJ5eRHIeSAQqL6KeWWGlc=; b=RN 7mQWU49C8Ic+fEK6a8C6DNSftlt6zN35FGmqO/LYIrjclufcSYF09nEBxoUTUMzA ZyENyTEHOCdqyDQQjiZ73s+8iezpaqrZand9mal9l7SL/wKgG8nHAs/Hy6gLhx/D 7iE8ktrMK5D8HWuhzW/MAM1VjhSNBx6qjRN05o0xOO+UU5wsvaN9HgknGISrYuw7 UnBgthF1zg/NsF9fIOrNYQs0ssm5fnKq2/TdOgfs3BTRxAwUILjkslZw8I+1vXPG yqaqEXh3kBi/e+V6x9T6ITGRzIih+UmW2y//VVsGO3RuPYq8L5LdBajca/5PSKyC 4EKw6C32M+b6rCwkN64A== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3w9yta94tu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Feb 2024 14:39:37 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 41GEdbxq024885 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Feb 2024 14:39:37 GMT Received: from cdcwlex322514-lin.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 15.2.1118.40; Fri, 16 Feb 2024 06:39:35 -0800 From: Aditya Kumar Singh To: CC: , Aditya Kumar Singh Subject: [PATCH v2 1/2] wifi: mac80211: check beacon countdown is complete on per link basis Date: Fri, 16 Feb 2024 20:09:17 +0530 Message-ID: <20240216143918.514140-2-quic_adisi@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240216143918.514140-1-quic_adisi@quicinc.com> References: <20240216143918.514140-1-quic_adisi@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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: zLw2xBbl3Q5my4ML_rW-MFZqT6QqB1e5 X-Proofpoint-ORIG-GUID: zLw2xBbl3Q5my4ML_rW-MFZqT6QqB1e5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-16_13,2024-02-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 priorityscore=1501 adultscore=0 spamscore=0 phishscore=0 clxscore=1015 mlxscore=0 malwarescore=0 mlxlogscore=999 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401310000 definitions=main-2402160117 Currently, function to check if beacon countdown is complete uses deflink to fetch the beacon and check the counter. However, with MLO, there is a need to check the counter for the beacon in a particular link. Add support to use link_id in order to fetch the beacon from a particular link data. Signed-off-by: Aditya Kumar Singh --- drivers/net/wireless/ath/ath10k/mac.c | 2 +- drivers/net/wireless/ath/ath10k/wmi.c | 2 +- drivers/net/wireless/ath/ath11k/mac.c | 2 +- drivers/net/wireless/ath/ath9k/beacon.c | 2 +- drivers/net/wireless/ath/ath9k/htc_drv_beacon.c | 2 +- drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 2 +- .../net/wireless/intel/iwlwifi/mvm/time-event.c | 2 +- drivers/net/wireless/mediatek/mt76/mac80211.c | 4 ++-- .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 2 +- drivers/net/wireless/virtual/mac80211_hwsim.c | 2 +- include/net/mac80211.h | 4 +++- net/mac80211/tx.c | 14 ++++++++++++-- 12 files changed, 26 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 41053219ee95..e322b528baaf 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -2034,7 +2034,7 @@ static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif) if (!arvif->is_up) return; - if (!ieee80211_beacon_cntdwn_is_complete(vif)) { + if (!ieee80211_beacon_cntdwn_is_complete(vif, 0)) { ieee80211_beacon_update_cntdwn(vif, 0); ret = ath10k_mac_setup_bcn_tmpl(arvif); diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index ddf15717d504..2e9661f4bea8 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -3884,7 +3884,7 @@ void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb) * actual channel switch is done */ if (arvif->vif->bss_conf.csa_active && - ieee80211_beacon_cntdwn_is_complete(arvif->vif)) { + ieee80211_beacon_cntdwn_is_complete(arvif->vif, 0)) { ieee80211_csa_finish(arvif->vif, 0); continue; } diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index f7cab50bdfd1..a1e2729582e8 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -1577,7 +1577,7 @@ void ath11k_mac_bcn_tx_event(struct ath11k_vif *arvif) return; if (vif->bss_conf.color_change_active && - ieee80211_beacon_cntdwn_is_complete(vif)) { + ieee80211_beacon_cntdwn_is_complete(vif, 0)) { arvif->bcca_zero_sent = true; ieee80211_color_change_finish(vif); return; diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 4e48407138b2..b399a7926ef5 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -365,7 +365,7 @@ bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif) if (!vif || !vif->bss_conf.csa_active) return false; - if (!ieee80211_beacon_cntdwn_is_complete(vif)) + if (!ieee80211_beacon_cntdwn_is_complete(vif, 0)) return false; ieee80211_csa_finish(vif, 0); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index 8179d35dc310..547634f82183 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -514,7 +514,7 @@ bool ath9k_htc_csa_is_finished(struct ath9k_htc_priv *priv) if (!vif || !vif->bss_conf.csa_active) return false; - if (!ieee80211_beacon_cntdwn_is_complete(vif)) + if (!ieee80211_beacon_cntdwn_is_complete(vif, 0)) return false; ieee80211_csa_finish(vif, 0); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index cc592e288188..123fe9bba982 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1466,7 +1466,7 @@ static void iwl_mvm_csa_count_down(struct iwl_mvm *mvm, mvmvif->csa_countdown = true; - if (!ieee80211_beacon_cntdwn_is_complete(csa_vif)) { + if (!ieee80211_beacon_cntdwn_is_complete(csa_vif, 0)) { int c = ieee80211_beacon_update_cntdwn(csa_vif, 0); iwl_mvm_mac_ctxt_beacon_changed(mvm, csa_vif, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c index 89b1c7a87660..a59d264a11c5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c @@ -156,7 +156,7 @@ static void iwl_mvm_csa_noa_start(struct iwl_mvm *mvm) * So we just do nothing here and the switch * will be performed on the last TBTT. */ - if (!ieee80211_beacon_cntdwn_is_complete(csa_vif)) { + if (!ieee80211_beacon_cntdwn_is_complete(csa_vif, 0)) { IWL_WARN(mvm, "CSA NOA started too early\n"); goto out_unlock; } diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 8bf82755ca4c..758e380fdf1d 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -1613,7 +1613,7 @@ EXPORT_SYMBOL_GPL(mt76_get_sar_power); static void __mt76_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif) { - if (vif->bss_conf.csa_active && ieee80211_beacon_cntdwn_is_complete(vif)) + if (vif->bss_conf.csa_active && ieee80211_beacon_cntdwn_is_complete(vif, 0)) ieee80211_csa_finish(vif, 0); } @@ -1638,7 +1638,7 @@ __mt76_csa_check(void *priv, u8 *mac, struct ieee80211_vif *vif) if (!vif->bss_conf.csa_active) return; - dev->csa_complete |= ieee80211_beacon_cntdwn_is_complete(vif); + dev->csa_complete |= ieee80211_beacon_cntdwn_is_complete(vif, 0); } void mt76_csa_check(struct mt76_dev *dev) diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index 66bf92c164c3..db5041d23938 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -5739,7 +5739,7 @@ static void rtl8xxxu_update_beacon_work_callback(struct work_struct *work) } if (vif->bss_conf.csa_active) { - if (ieee80211_beacon_cntdwn_is_complete(vif)) { + if (ieee80211_beacon_cntdwn_is_complete(vif, 0)) { ieee80211_csa_finish(vif, 0); return; } diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c index 0554946ed30e..2ea11a86d920 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim.c +++ b/drivers/net/wireless/virtual/mac80211_hwsim.c @@ -2305,7 +2305,7 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac, rcu_dereference(link_conf->chanctx_conf)->def.chan); } - if (link_conf->csa_active && ieee80211_beacon_cntdwn_is_complete(vif)) + if (link_conf->csa_active && ieee80211_beacon_cntdwn_is_complete(vif, link_id)) ieee80211_csa_finish(vif, link_id); } diff --git a/include/net/mac80211.h b/include/net/mac80211.h index fc223761e3af..25c892ea9eb3 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -5566,10 +5566,12 @@ void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id); /** * ieee80211_beacon_cntdwn_is_complete - find out if countdown reached 1 * @vif: &struct ieee80211_vif pointer from the add_interface callback. + * @link_id: valid link_id during MLO or 0 for non-MLO * * This function returns whether the countdown reached zero. */ -bool ieee80211_beacon_cntdwn_is_complete(struct ieee80211_vif *vif); +bool ieee80211_beacon_cntdwn_is_complete(struct ieee80211_vif *vif, + unsigned int link_id); /** * ieee80211_color_change_finish - notify mac80211 about color change diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index f4be4af568be..6bf223e6cd1a 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -5095,9 +5095,11 @@ void ieee80211_beacon_set_cntdwn(struct ieee80211_vif *vif, u8 counter) } EXPORT_SYMBOL(ieee80211_beacon_set_cntdwn); -bool ieee80211_beacon_cntdwn_is_complete(struct ieee80211_vif *vif) +bool ieee80211_beacon_cntdwn_is_complete(struct ieee80211_vif *vif, + unsigned int link_id) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + struct ieee80211_link_data *link; struct beacon_data *beacon = NULL; u8 *beacon_data; size_t beacon_data_len; @@ -5106,9 +5108,17 @@ bool ieee80211_beacon_cntdwn_is_complete(struct ieee80211_vif *vif) if (!ieee80211_sdata_running(sdata)) return false; + if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) + return 0; + rcu_read_lock(); + + link = rcu_dereference(sdata->link[link_id]); + if (!link) + goto out; + if (vif->type == NL80211_IFTYPE_AP) { - beacon = rcu_dereference(sdata->deflink.u.ap.beacon); + beacon = rcu_dereference(link->u.ap.beacon); if (WARN_ON(!beacon || !beacon->tail)) goto out; beacon_data = beacon->tail;