From patchwork Thu Jul 11 03:51:45 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: 812753 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 1D42B208A1 for ; Thu, 11 Jul 2024 03:52:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720669948; cv=none; b=EZPlDaXB/3hP4FMime1Sqgx/kaS+piBiV6Wq7QbN3fLKtKAzeHkkYJKlMWPgaEuYaGB9kHgKsrpDblFzLDX2M5bKLwBndE7CzQHET673O8KAakkrwZVfgrwuMnL+JTdcVZ5JnxcEKKCRtzQLa55NgSW/wr1ahxDx+fFCpO01FDg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720669948; c=relaxed/simple; bh=2K70Yr3zAG1eFltZS78cPPELOvRfx2OtE0BRQsOBVF0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=V3qozVHaSOlxAtLB5GqZW9+I2uasL4LPV2OL0KzmanIuOnrncfwBgWsjI40N9d+/QzqGaoWXPeScSLISgV9XDA1TXBCMvWL8RV0d+lzLIj2j5bIBKD6MsOv7V+eP90sJHANdjKG+5UluQdzBQBy6cCX/AIaCMj5beulWpWAExh0= 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=QWjmc2Gj; arc=none smtp.client-ip=205.220.180.131 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="QWjmc2Gj" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 46B34fd1028448; Thu, 11 Jul 2024 03:52:23 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= XKo+YZhWwY8BdruOnpS0mT6WzbVhSCg0EhFICeVsxn8=; b=QWjmc2Gj79fNbYHe kjTzM8uFNt/v8lruNEAPaGKQY+NBurksSHLHckBilkMXnugXtZph+6M47Xe8GQz/ tL/PxokIIACTm48kzDs9SMwBItAdQQp7kgmaoUdbAxdYv7J2Lm9E0b/uH1MSuE9a JRcEDNMjfWhhaVmUWTTj/GAkM7Ri9Mk2d6Uz5j9+zgI55eDG6cpL5Bk8BK9oD5D0 lhVv9QMHxJtcuY8sqwmVp5jVMH+rghwgHMSFoWtd9ps/qtH/aDkGXP2axCDBVnWs JiByEwSCTYoDuPl1Sa6fLV93p1sCjcW8Bq+DAXSzhUdwuWhGHSd6Q5EXdWGcuZOs M1k3dw== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 406we931ee-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 11 Jul 2024 03:52:22 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 46B3qL0H002502 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 11 Jul 2024 03:52:21 GMT Received: from hu-adisi-blr.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 15.2.1544.9; Wed, 10 Jul 2024 20:52:19 -0700 From: Aditya Kumar Singh To: CC: , Aditya Kumar Singh Subject: [PATCH v3 6/8] wifi: mac80211: handle DFS per link Date: Thu, 11 Jul 2024 09:21:45 +0530 Message-ID: <20240711035147.1896538-7-quic_adisi@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240711035147.1896538-1-quic_adisi@quicinc.com> References: <20240711035147.1896538-1-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-ORIG-GUID: 7o3TfRJho6DxcwWvizHWjt745b54kaL_ X-Proofpoint-GUID: 7o3TfRJho6DxcwWvizHWjt745b54kaL_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-10_20,2024-07-10_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 bulkscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 mlxscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407110024 In order to support DFS with MLO, handle the link ID now passed from cfg80211, adjust the code to do everything per link and call the notifications to cfg80211 correctly. Signed-off-by: Aditya Kumar Singh --- net/mac80211/cfg.c | 26 ++++++++++++++++++-------- net/mac80211/link.c | 10 ++++++++++ net/mac80211/util.c | 29 +++++++++++++++++++++++------ 3 files changed, 51 insertions(+), 14 deletions(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 57539e03d7d7..726cfb1f9061 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3464,6 +3464,7 @@ static int ieee80211_start_radar_detection(struct wiphy *wiphy, struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_chan_req chanreq = { .oper = *chandef }; struct ieee80211_local *local = sdata->local; + struct ieee80211_link_data *link_data; int err; lockdep_assert_wiphy(local->hw.wiphy); @@ -3471,16 +3472,20 @@ static int ieee80211_start_radar_detection(struct wiphy *wiphy, if (!list_empty(&local->roc_list) || local->scanning) return -EBUSY; + link_data = sdata_dereference(sdata->link[link_id], sdata); + if (!link_data) + return -ENOLINK; + /* whatever, but channel contexts should not complain about that one */ - sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; - sdata->deflink.needed_rx_chains = local->rx_chains; + link_data->smps_mode = IEEE80211_SMPS_OFF; + link_data->needed_rx_chains = local->rx_chains; - err = ieee80211_link_use_channel(&sdata->deflink, &chanreq, + err = ieee80211_link_use_channel(link_data, &chanreq, IEEE80211_CHANCTX_SHARED); if (err) return err; - wiphy_delayed_work_queue(wiphy, &sdata->deflink.dfs_cac_timer_work, + wiphy_delayed_work_queue(wiphy, &link_data->dfs_cac_timer_work, msecs_to_jiffies(cac_time_ms)); return 0; @@ -3491,16 +3496,21 @@ static void ieee80211_end_cac(struct wiphy *wiphy, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; + struct ieee80211_link_data *link_data; lockdep_assert_wiphy(local->hw.wiphy); list_for_each_entry(sdata, &local->interfaces, list) { + link_data = sdata_dereference(sdata->link[link_id], sdata); + if (!link_data) + continue; + wiphy_delayed_work_cancel(wiphy, - &sdata->deflink.dfs_cac_timer_work); + &link_data->dfs_cac_timer_work); - if (sdata->wdev.links[0].cac_started) { - ieee80211_link_release_channel(&sdata->deflink); - sdata->wdev.links[0].cac_started = false; + if (sdata->wdev.links[link_id].cac_started) { + ieee80211_link_release_channel(link_data); + sdata->wdev.links[link_id].cac_started = false; } } } diff --git a/net/mac80211/link.c b/net/mac80211/link.c index b4378969cbf1..0bbac64d5fa0 100644 --- a/net/mac80211/link.c +++ b/net/mac80211/link.c @@ -77,6 +77,16 @@ void ieee80211_link_stop(struct ieee80211_link_data *link) &link->color_change_finalize_work); wiphy_work_cancel(link->sdata->local->hw.wiphy, &link->csa.finalize_work); + + if (link->sdata->wdev.links[link->link_id].cac_started) { + wiphy_delayed_work_cancel(link->sdata->local->hw.wiphy, + &link->dfs_cac_timer_work); + cfg80211_cac_event(link->sdata->dev, + &link->conf->chanreq.oper, + NL80211_RADAR_CAC_ABORTED, + GFP_KERNEL, link->link_id); + } + ieee80211_link_release_channel(link); } diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 5996ea728096..59dde0393f81 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -3455,20 +3455,37 @@ void ieee80211_dfs_cac_cancel(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; struct cfg80211_chan_def chandef; + struct ieee80211_link_data *link_data; + struct ieee80211_bss_conf *link_conf; + unsigned int link_id; lockdep_assert_wiphy(local->hw.wiphy); list_for_each_entry(sdata, &local->interfaces, list) { - wiphy_delayed_work_cancel(local->hw.wiphy, - &sdata->deflink.dfs_cac_timer_work); + for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; + link_id++) { + link_data = sdata_dereference(sdata->link[link_id], + sdata); + if (!link_data) + continue; + + wiphy_delayed_work_cancel(local->hw.wiphy, + &link_data->dfs_cac_timer_work); + + if (!sdata->wdev.links[link_id].cac_started) + continue; + + link_conf = + rcu_dereference(sdata->vif.link_conf[link_id]); + if (!link_conf) + continue; - if (sdata->wdev.links[0].cac_started) { - chandef = sdata->vif.bss_conf.chanreq.oper; - ieee80211_link_release_channel(&sdata->deflink); + chandef = link_conf->chanreq.oper; + ieee80211_link_release_channel(link_data); cfg80211_cac_event(sdata->dev, &chandef, NL80211_RADAR_CAC_ABORTED, - GFP_KERNEL, 0); + GFP_KERNEL, link_id); } } }