From patchwork Fri Jul 22 13:10:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Veerendranath Jakkam X-Patchwork-Id: 12926503 X-Patchwork-Delegate: johannes@sipsolutions.net 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 5E046C433EF for ; Fri, 22 Jul 2022 13:21:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234722AbiGVNVP (ORCPT ); Fri, 22 Jul 2022 09:21:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231807AbiGVNVO (ORCPT ); Fri, 22 Jul 2022 09:21:14 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0ED27E026 for ; Fri, 22 Jul 2022 06:21:11 -0700 (PDT) Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 26MDG8aY005814; Fri, 22 Jul 2022 13:21:08 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-transfer-encoding : content-type; s=qcppdkim1; bh=PsjBVppf4u8wtiLHj1yIapplrUKshHm9mRTsX6+S70U=; b=Mg0AkB2vZLfuORvo/iNl0J3xNNySN5ZlxvPcE1d36/vhCGwEXpf9ABCx4hw0faDjx+wP BslxmHQNM7e8PJHIkmDFIl5xUGnOeMj2vCIxj6ap3myxn0WFmwFCH74V/qASG/OeWP1g 7mraAcxwkp6p58zkElL8ehQQ4UeWZy1dB6e9t4mSgkdy8gccxnBR68lGDTLmwgotmEf5 C9IcMQSFH5xKLQMAibH01/isGGEflVj5vRrDYHPS8dtLDJIXX9W3miP/m7WWwc8NQC2t qzNZ1yme3Pdb7JawxB80MZF/9j79wfgTKwdyD671z4TzQ2Lt7NGPZoAGf6qhBlhg9xy3 kw== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3hf716kcj7-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Jul 2022 13:21:08 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.47.97.222]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 26MDB5fp012864 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Jul 2022 13:11:05 GMT Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 22 Jul 2022 06:11:05 -0700 Received: from cnss-mw-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 15.2.986.22; Fri, 22 Jul 2022 06:11:03 -0700 From: Veerendranath Jakkam To: CC: Subject: [PATCH 1/3] nl80211: send MLO links channel info in NL80211_CMD_GET_INTERFACE Date: Fri, 22 Jul 2022 18:40:00 +0530 Message-ID: <20220722131000.3437894-1-quic_vjakkam@quicinc.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] 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: ggKU82KkYm9iCT3L6HgTrLeGowmsejml X-Proofpoint-GUID: ggKU82KkYm9iCT3L6HgTrLeGowmsejml X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-22_04,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 mlxlogscore=999 bulkscore=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 priorityscore=1501 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207220056 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Currently, MLO link level channel information not sent to userspace when NL80211_CMD_GET_INTERFACE requested on MLD. Add support to send channel information for all valid links for NL80211_CMD_GET_INTERFACE request. Signed-off-by: Veerendranath Jakkam --- net/wireless/nl80211.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b6e640437568..3580fe2f2f31 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3848,12 +3848,19 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag for_each_valid_link(wdev, link_id) { struct nlattr *link = nla_nest_start(msg, link_id + 1); + struct cfg80211_chan_def chandef = {}; + int ret; if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) goto nla_put_failure; if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev->links[link_id].addr)) goto nla_put_failure; + + ret = rdev_get_channel(rdev, wdev, link_id, &chandef); + if (ret == 0 && nl80211_send_chandef(msg, &chandef)) + goto nla_put_failure; + nla_nest_end(msg, link); } From patchwork Fri Jul 22 13:11:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Veerendranath Jakkam X-Patchwork-Id: 12926522 X-Patchwork-Delegate: johannes@sipsolutions.net 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 1D020C433EF for ; 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Fri, 22 Jul 2022 13:53:17 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.47.97.222]) by NASANPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 26MDBuOF027190 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Jul 2022 13:11:56 GMT Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 22 Jul 2022 06:11:56 -0700 Received: from cnss-mw-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 15.2.986.22; Fri, 22 Jul 2022 06:11:54 -0700 From: Veerendranath Jakkam To: CC: Subject: [PATCH 2/3] cfg80211: Add link_id to cfg80211_ch_switch_started_notify() Date: Fri, 22 Jul 2022 18:41:42 +0530 Message-ID: <20220722131143.3438042-1-quic_vjakkam@quicinc.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] 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: 2kZznEus_ltXbC-te6Vyn0_INnWVhbN0 X-Proofpoint-ORIG-GUID: 2kZznEus_ltXbC-te6Vyn0_INnWVhbN0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-22_04,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 adultscore=0 mlxlogscore=999 bulkscore=0 malwarescore=0 impostorscore=0 phishscore=0 mlxscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207220058 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add link_id parameter to cfg80211_ch_switch_started_notify() to allow driver to indicate on which link channel switch started on MLD. Signed-off-by: Veerendranath Jakkam --- include/net/cfg80211.h | 4 +++- net/mac80211/cfg.c | 2 +- net/mac80211/mlme.c | 2 +- net/wireless/nl80211.c | 8 ++++++-- net/wireless/trace.h | 11 +++++++---- 5 files changed, 18 insertions(+), 9 deletions(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index d5af3a7fc2b4..7b74aa0de04b 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -8158,6 +8158,7 @@ void cfg80211_ch_switch_notify(struct net_device *dev, * cfg80211_ch_switch_started_notify - notify channel switch start * @dev: the device on which the channel switch started * @chandef: the future channel definition + * @link_id: the link ID for MLO, must be 0 for non-MLO * @count: the number of TBTTs until the channel switch happens * @quiet: whether or not immediate quiet was requested by the AP * @@ -8167,7 +8168,8 @@ void cfg80211_ch_switch_notify(struct net_device *dev, */ void cfg80211_ch_switch_started_notify(struct net_device *dev, struct cfg80211_chan_def *chandef, - u8 count, bool quiet); + unsigned int link_id, u8 count, + bool quiet); /** * ieee80211_operating_class_to_band - convert operating class to band diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index fe6500b36953..3d8b7107e8cb 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3733,7 +3733,7 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, IEEE80211_QUEUE_STOP_REASON_CSA); cfg80211_ch_switch_started_notify(sdata->dev, - &sdata->deflink.csa_chandef, + &sdata->deflink.csa_chandef, 0, params->count, params->block_tx); if (changed) { diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 912095e4e256..5c15c37d65ff 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1905,7 +1905,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_link_data *link, IEEE80211_QUEUE_STOP_REASON_CSA); mutex_unlock(&local->mtx); - cfg80211_ch_switch_started_notify(sdata->dev, &csa_ie.chandef, + cfg80211_ch_switch_started_notify(sdata->dev, &csa_ie.chandef, 0, csa_ie.count, csa_ie.mode); if (local->ops->channel_switch) { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 3580fe2f2f31..42430749913f 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -18896,13 +18896,17 @@ EXPORT_SYMBOL(cfg80211_ch_switch_notify); void cfg80211_ch_switch_started_notify(struct net_device *dev, struct cfg80211_chan_def *chandef, - u8 count, bool quiet) + unsigned int link_id, u8 count, + bool quiet) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); - trace_cfg80211_ch_switch_started_notify(dev, chandef); + ASSERT_WDEV_LOCK(wdev); + WARN_INVALID_LINK_ID(wdev, link_id); + + trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id); nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 592b9e9e821a..1faf52c19084 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -3245,18 +3245,21 @@ TRACE_EVENT(cfg80211_ch_switch_notify, TRACE_EVENT(cfg80211_ch_switch_started_notify, TP_PROTO(struct net_device *netdev, - struct cfg80211_chan_def *chandef), - TP_ARGS(netdev, chandef), + struct cfg80211_chan_def *chandef, + unsigned int link_id), + TP_ARGS(netdev, chandef, link_id), TP_STRUCT__entry( NETDEV_ENTRY CHAN_DEF_ENTRY + __field(unsigned int, link_id) ), TP_fast_assign( NETDEV_ASSIGN; CHAN_DEF_ASSIGN(chandef); + __entry->link_id = link_id; ), - TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT, - NETDEV_PR_ARG, CHAN_DEF_PR_ARG) + TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT ", link:%d", + NETDEV_PR_ARG, CHAN_DEF_PR_ARG, __entry->link_id) ); TRACE_EVENT(cfg80211_radar_event, From patchwork Fri Jul 22 13:11:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Veerendranath Jakkam X-Patchwork-Id: 12926488 X-Patchwork-Delegate: johannes@sipsolutions.net 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 17F25C433EF for ; Fri, 22 Jul 2022 13:12:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229778AbiGVNMG (ORCPT ); Fri, 22 Jul 2022 09:12:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbiGVNMF (ORCPT ); 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Fri, 22 Jul 2022 13:11:58 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.47.97.222]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 26MDBvPV026112 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Jul 2022 13:11:58 GMT Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 22 Jul 2022 06:11:57 -0700 Received: from cnss-mw-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 15.2.986.22; Fri, 22 Jul 2022 06:11:56 -0700 From: Veerendranath Jakkam To: CC: Subject: [PATCH 3/3] nl80211: Add support to send MLO link ID info in channel switch events Date: Fri, 22 Jul 2022 18:41:43 +0530 Message-ID: <20220722131143.3438042-2-quic_vjakkam@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220722131143.3438042-1-quic_vjakkam@quicinc.com> References: <20220722131143.3438042-1-quic_vjakkam@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] 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: u8zclpKO_EUGkggpSOqvFb13wmQ44It1 X-Proofpoint-GUID: u8zclpKO_EUGkggpSOqvFb13wmQ44It1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-22_04,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1011 suspectscore=0 impostorscore=0 adultscore=0 mlxlogscore=999 spamscore=0 phishscore=0 malwarescore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207220056 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add support to send MLO link ID information in NL80211_CMD_CH_SWITCH_NOTIFY and NL80211_CMD_CH_SWITCH_STARTED_NOTIFY for userspace to know on which link the event is triggered. Signed-off-by: Veerendranath Jakkam --- net/wireless/nl80211.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 42430749913f..cd177d2a99bb 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -18809,6 +18809,7 @@ EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, struct net_device *netdev, + unsigned int link_id, struct cfg80211_chan_def *chandef, gfp_t gfp, enum nl80211_commands notif, @@ -18816,6 +18817,7 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, { struct sk_buff *msg; void *hdr; + struct wireless_dev *wdev = netdev->ieee80211_ptr; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) @@ -18830,6 +18832,10 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) goto nla_put_failure; + if (wdev->valid_links && + nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) + goto nla_put_failure; + if (nl80211_send_chandef(msg, chandef)) goto nla_put_failure; @@ -18889,7 +18895,7 @@ void cfg80211_ch_switch_notify(struct net_device *dev, cfg80211_sched_dfs_chan_update(rdev); - nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, + nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL, NL80211_CMD_CH_SWITCH_NOTIFY, 0, false); } EXPORT_SYMBOL(cfg80211_ch_switch_notify); @@ -18908,7 +18914,7 @@ void cfg80211_ch_switch_started_notify(struct net_device *dev, trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id); - nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, + nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL, NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count, quiet); }