From patchwork Tue Jan 5 03:08:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gong X-Patchwork-Id: 11998021 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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D0FCC43381 for ; Tue, 5 Jan 2021 03:08:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3229022573 for ; Tue, 5 Jan 2021 03:08:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728597AbhAEDIf (ORCPT ); Mon, 4 Jan 2021 22:08:35 -0500 Received: from m43-15.mailgun.net ([69.72.43.15]:48414 "EHLO m43-15.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727979AbhAEDIf (ORCPT ); Mon, 4 Jan 2021 22:08:35 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1609816089; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=O19Q5KtcGNHtJCX/RiqrbhKDGoWzDR4uwAm5QRHXfTQ=; b=ux7+rPDekp2fmOxtj6M4T1Ny8chrn/vHf+DZTh9FOw1Ym4+ZRZw3pe5hY4PJxT0qNezJpggU ifi1zLBrvVYpQ0gh5bhMLXL4EZrM07lfGm0CFm3lO8viO8XkhmTtF/uNRVPjL5wzxoQo34dW agCB5cfuEv8aeizmzz64IDsw180= X-Mailgun-Sending-Ip: 69.72.43.15 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 5ff3d7ffb100ecf37a7b65c1 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 05 Jan 2021 03:07:43 GMT Sender: wgong=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 66272C433CA; Tue, 5 Jan 2021 03:07:43 +0000 (UTC) Received: from gongwen-ThinkPad-T420.qca.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: wgong) by smtp.codeaurora.org (Postfix) with ESMTPSA id 01337C43461; Tue, 5 Jan 2021 03:07:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 01337C43461 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=wgong@codeaurora.org From: Wen Gong To: ath11k@lists.infradead.org, johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, wgong@codeaurora.org Subject: [PATCH v3 1/2] mac80211: remove NSS number of 160MHz if not support 160MHz for HE Date: Tue, 5 Jan 2021 11:08:39 +0800 Message-Id: <1609816120-9411-2-git-send-email-wgong@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1609816120-9411-1-git-send-email-wgong@codeaurora.org> References: <1609816120-9411-1-git-send-email-wgong@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org When it does not support 160MHz in HE phy capabilities information, it should not treat the NSS number of 160MHz as a valid number, otherwise the final NSS will be set to 0. Signed-off-by: Wen Gong --- net/mac80211/vht.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index d87e020715b3..d872f1d4d946 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -484,6 +484,7 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta) void ieee80211_sta_set_rx_nss(struct sta_info *sta) { u8 ht_rx_nss = 0, vht_rx_nss = 0, he_rx_nss = 0, rx_nss; + bool support_160; /* if we received a notification already don't overwrite it */ if (sta->sta.rx_nss) @@ -514,7 +515,13 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta) } } - he_rx_nss = min(rx_mcs_80, rx_mcs_160); + support_160 = !!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G); + + if (support_160) + he_rx_nss = min(rx_mcs_80, rx_mcs_160); + else + he_rx_nss = rx_mcs_80; } if (sta->sta.ht_cap.ht_supported) {