From patchwork Thu Jan 25 12:58:50 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: 766848 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 0F56D1EF1F for ; Thu, 25 Jan 2024 12:59:19 +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=1706187561; cv=none; b=Si7sTBxW0XJQc6UDZy7lpJ1NhoDQoZpsz46Sbo0EYjA5sEP4H2HIjwDoesZl1t2nLvF1KmNlCCAkf5Xre3nIwcEwby+csURox51Fh6y9yzRUXCihzfDaxkw8xxm6jMIAAlKfv5QLUm5j34EqOHp9v/IBTwaUxCMMTsC4P2J1zxQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706187561; c=relaxed/simple; bh=RtlJfHsC3Su9CsQ71bolPpcSjW1SO8ot5nMC5MzrvLg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=TtTjflyXvnCYl1ZKLNQyQp+OJDzKXjxArV/irmLwCTEelDZPY42WkOQYwyjF2b4kvy6Ga3t1i5ImmgSqomWRmdYM02ajeuD1kk58yYnwVZDicpTObWsuE4pp+9qceJBA9X5Ad8bODCGL6X6l3ns/0Od+IFFY3+jVerNbDZ5b6ko= 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=ja4OAlUY; 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="ja4OAlUY" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40P9QGYK007655; Thu, 25 Jan 2024 12:59:16 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=KXo70UbS7aFCecYwXCGmD+K7xoNIqP9IA6EUA7HMEoM=; b=ja 4OAlUYx390kE4xTRaBsgtSOxu30BSjfEd6zkYhOPRMF2Zaq8vBO7cbSPAb/et2Xk Lc5x+dS+LxBW9WGVni3M9f2JmPGCjd9W63HJsXn+QqXBGMxdKr7Y++vY6ukCaPdc SsGZn1Pef6zadtiPqQxOgfPPvitVprBIAB95MsmHxy4BnlCWj6FmzS0IQlRVf/uD bk1J7H99l4j0Ttmg1ernOhJtRzLP2o7pwnPzhV7IwuPKbK1fhFhbaHNvuYatim4A t/r6P0PCwocjOFFHYY3VgxOsYjwqcVtClg6nVKjBgqOofbuhK7BEM7lbJv41Jz7q Sp1M/g0jtxctRk5RDAcw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vumyngm6m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Jan 2024 12:59:16 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40PCxF8T016141 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Jan 2024 12:59:15 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; Thu, 25 Jan 2024 04:59:13 -0800 From: Aditya Kumar Singh To: CC: , Aditya Kumar Singh Subject: [PATCH 2/3] wifi: mac80211: add link id argument for sta_flush() function Date: Thu, 25 Jan 2024 18:28:50 +0530 Message-ID: <20240125125855.827619-3-quic_adisi@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240125125855.827619-1-quic_adisi@quicinc.com> References: <20240125125855.827619-1-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: XHc6J3bLi5hDHNmn0oUZmEZqjiyT6h1I X-Proofpoint-ORIG-GUID: XHc6J3bLi5hDHNmn0oUZmEZqjiyT6h1I 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=2024-01-25_08,2024-01-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxlogscore=920 adultscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401190000 definitions=main-2401250090 Whenever sta_flush() function is invoked, all sta present in that interface is flushed. However, there is a requirement in case of MLO that only flush those sta who are using a given link id. This is not possible currently. Hence add the support for the same. Passing link id is done currently via cfg80211 op - del_station. A subsequent patch would also use this during stopping AP. Signed-off-by: Aditya Kumar Singh --- net/mac80211/cfg.c | 4 ++-- net/mac80211/ibss.c | 4 ++-- net/mac80211/iface.c | 2 +- net/mac80211/mesh.c | 2 +- net/mac80211/mlme.c | 2 +- net/mac80211/ocb.c | 2 +- net/mac80211/sta_info.c | 20 +++++++++++++------- net/mac80211/sta_info.h | 14 +++++++++++--- 8 files changed, 32 insertions(+), 18 deletions(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 489dd97f5172..26a8ea553401 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1618,7 +1618,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, link_conf->ema_ap = false; link_conf->bssid_indicator = 0; - __sta_info_flush(sdata, true); + __sta_info_flush(sdata, true, -1); ieee80211_free_keys(sdata, true); link_conf->enable_beacon = false; @@ -2093,7 +2093,7 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, if (params->mac) return sta_info_destroy_addr_bss(sdata, params->mac); - sta_info_flush(sdata); + sta_info_flush(sdata, params->link_id); return 0; } diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 8f2b445a5ec3..e4c55760f90c 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -237,7 +237,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, drv_reset_tsf(local, sdata); if (!ether_addr_equal(ifibss->bssid, bssid)) - sta_info_flush(sdata); + sta_info_flush(sdata, -1); /* if merging, indicate to driver that we leave the old IBSS */ if (sdata->vif.cfg.ibss_joined) { @@ -682,7 +682,7 @@ static void ieee80211_ibss_disconnect(struct ieee80211_sub_if_data *sdata) ifibss->state = IEEE80211_IBSS_MLME_SEARCH; - sta_info_flush(sdata); + sta_info_flush(sdata, -1); spin_lock_bh(&ifibss->incomplete_lock); while (!list_empty(&ifibss->incomplete_stations)) { diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index e4e7c0b38cb6..97728bb51f9b 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -511,7 +511,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do * would have removed them, but in other modes there shouldn't * be any stations. */ - flushed = sta_info_flush(sdata); + flushed = sta_info_flush(sdata, -1); WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP_VLAN && flushed > 0); /* don't count this interface for allmulti while it is down */ diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index fccbcde3359a..16b5af8ee859 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -1234,7 +1234,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) netif_carrier_off(sdata->dev); /* flush STAs and mpaths on this iface */ - sta_info_flush(sdata); + sta_info_flush(sdata, -1); ieee80211_free_keys(sdata, true); mesh_path_flush_by_iface(sdata); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 073105deb424..b3f2de3b1669 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2991,7 +2991,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, sdata->vif.cfg.ssid_len = 0; /* remove AP and TDLS peers */ - sta_info_flush(sdata); + sta_info_flush(sdata, -1); /* finally reset all BSS / config parameters */ if (!ieee80211_vif_is_mld(&sdata->vif)) diff --git a/net/mac80211/ocb.c b/net/mac80211/ocb.c index 449af4e1cca4..7d06166f63bb 100644 --- a/net/mac80211/ocb.c +++ b/net/mac80211/ocb.c @@ -207,7 +207,7 @@ int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata) lockdep_assert_wiphy(sdata->local->hw.wiphy); ifocb->joined = false; - sta_info_flush(sdata); + sta_info_flush(sdata, -1); spin_lock_bh(&ifocb->incomplete_lock); while (!list_empty(&ifocb->incomplete_stations)) { diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index bf1adcd96b41..6c9aa8db3c62 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1561,7 +1561,8 @@ void sta_info_stop(struct ieee80211_local *local) } -int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans) +int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans, + int link_id) { struct ieee80211_local *local = sdata->local; struct sta_info *sta, *tmp; @@ -1575,12 +1576,17 @@ int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans) WARN_ON(vlans && !sdata->bss); list_for_each_entry_safe(sta, tmp, &local->sta_list, list) { - if (sdata == sta->sdata || - (vlans && sdata->bss == sta->sdata->bss)) { - if (!WARN_ON(__sta_info_destroy_part1(sta))) - list_add(&sta->free_list, &free_list); - ret++; - } + if (sdata != sta->sdata && + (!vlans || sdata->bss != sta->sdata->bss)) + continue; + + if (link_id >= 0 && !(sta->sta.valid_links & BIT(link_id))) + continue; + + if (!WARN_ON(__sta_info_destroy_part1(sta))) + list_add(&sta->free_list, &free_list); + + ret++; } if (!list_empty(&free_list)) { diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 5ef1554f991f..f03731a5bbee 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -886,8 +886,12 @@ void sta_info_stop(struct ieee80211_local *local); * * @sdata: sdata to remove all stations from * @vlans: if the given interface is an AP interface, also flush VLANs + * @link_id: if given (>=0), all those STA entries using @link_id only + * will be removed. If -1 is passed, all STA entries will be + * removed. */ -int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans); +int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans, + int link_id); /** * sta_info_flush - flush matching STA entries from the STA table @@ -895,10 +899,14 @@ int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans); * Returns the number of removed STA entries. * * @sdata: sdata to remove all stations from + * @link_id: if given (>=0), all those STA entries using @link_id only + * will be removed. If -1 is passed, all STA entries will be + * removed. */ -static inline int sta_info_flush(struct ieee80211_sub_if_data *sdata) +static inline int sta_info_flush(struct ieee80211_sub_if_data *sdata, + int link_id) { - return __sta_info_flush(sdata, false); + return __sta_info_flush(sdata, false, link_id); } void sta_set_rate_info_tx(struct sta_info *sta,