From patchwork Wed Mar 23 22:46:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aloka Dixit X-Patchwork-Id: 12790183 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 10964C433F5 for ; Wed, 23 Mar 2022 22:46:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345266AbiCWWsW (ORCPT ); Wed, 23 Mar 2022 18:48:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345383AbiCWWsT (ORCPT ); Wed, 23 Mar 2022 18:48:19 -0400 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F5A07CB23 for ; Wed, 23 Mar 2022 15:46:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1648075608; x=1679611608; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Sm1wy3jCpodTBf1YRGy0mXveij4WM3scCR9Il3HoguA=; b=lvrk1XBJWwYlWhLWcmZww0v+WEmleZiOKBmZVcJwkjF1cj4rsyx1VlKi tHM2nmHHBWQ2Cg2p9UWA6V0A5JdSkyVg9vYJw7WV5uuJDRUgjNMgIL6TC fsugQ8tAMiyHpjJGB3wpYhytSK58w4gfz4RgeLf99rXlrPgzQbtHZVGR9 o=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-01.qualcomm.com with ESMTP; 23 Mar 2022 15:46:47 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2022 15:46:47 -0700 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; Wed, 23 Mar 2022 15:46:47 -0700 Received: from alokad-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; Wed, 23 Mar 2022 15:46:46 -0700 From: Aloka Dixit To: , CC: Muna Sinada , Aloka Dixit Subject: [PATCH v2 1/2] cfg80211: support disabling EHT mode Date: Wed, 23 Mar 2022 15:46:35 -0700 Message-ID: <20220323224636.20211-1-quic_alokad@quicinc.com> X-Mailer: git-send-email 2.31.1 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) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Muna Sinada Allow userspace to disable EHT mode. This forces EHT capable interfaces to disable during association. Signed-off-by: Muna Sinada Signed-off-by: Aloka Dixit --- v2: Rebased on top of wireless-next git repository. include/net/cfg80211.h | 2 ++ include/uapi/linux/nl80211.h | 1 + net/wireless/nl80211.c | 7 +++++++ 3 files changed, 10 insertions(+) base-commit: f5ba9781dde28f87d1e6db580ab63b308b5b5e1b diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 68713388b617..b557833119c1 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -2735,6 +2735,7 @@ struct cfg80211_auth_request { * userspace if this flag is set. Only applicable for cfg80211_connect() * request (connect callback). * @ASSOC_REQ_DISABLE_HE: Disable HE + * @ASSOC_REQ_DISABLE_EHT: Disable EHT */ enum cfg80211_assoc_req_flags { ASSOC_REQ_DISABLE_HT = BIT(0), @@ -2742,6 +2743,7 @@ enum cfg80211_assoc_req_flags { ASSOC_REQ_USE_RRM = BIT(2), CONNECT_REQ_EXTERNAL_AUTH_SUPPORT = BIT(3), ASSOC_REQ_DISABLE_HE = BIT(4), + ASSOC_REQ_DISABLE_EHT = BIT(5), }; /** diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 0568a79097b8..c7bd16024f84 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -3175,6 +3175,7 @@ enum nl80211_attrs { NL80211_ATTR_EHT_CAPABILITY, + NL80211_ATTR_DISABLE_EHT, /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index ee1c2b6b6971..7e15c6888751 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -790,6 +790,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { NLA_POLICY_RANGE(NLA_BINARY, NL80211_EHT_MIN_CAPABILITY_LEN, NL80211_EHT_MAX_CAPABILITY_LEN), + [NL80211_ATTR_DISABLE_EHT] = { .type = NLA_FLAG }, }; /* policy for the key attributes */ @@ -10376,6 +10377,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE])) req.flags |= ASSOC_REQ_DISABLE_HE; + if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT])) + req.flags |= ASSOC_REQ_DISABLE_EHT; + if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) memcpy(&req.vht_capa_mask, nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), @@ -11164,6 +11168,9 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE])) connect.flags |= ASSOC_REQ_DISABLE_HE; + if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT])) + connect.flags |= ASSOC_REQ_DISABLE_EHT; + if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) memcpy(&connect.vht_capa_mask, nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),