From patchwork Thu Sep 8 18:10:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tamizh Chelvam Raja X-Patchwork-Id: 12970454 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 993C4C54EE9 for ; Thu, 8 Sep 2022 18:11:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229759AbiIHSLH (ORCPT ); Thu, 8 Sep 2022 14:11:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229509AbiIHSLG (ORCPT ); Thu, 8 Sep 2022 14:11:06 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5F47BD1F5 for ; Thu, 8 Sep 2022 11:11:01 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 288Da2dm011029; Thu, 8 Sep 2022 18:10:58 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-type; s=qcppdkim1; bh=RJ9RxUuLdER1oNz/aP1JXYphl6GFoHb21aENQyf5PUs=; b=Szpn7/u/hy4NyRSv4Ac1kwP7Lgd4kLpRlwSRmnkyM+5tGN4gsezPLN9yoXFJpGinh1xW qBKHsx+jD+3EKoVPSgunsw3bnukY3tNoFmC9EHImIBtyecDr4Fz5G6Cq/amIOTyb+D1F K2z2Ze/2gNdnfMTDpy/cLoMhalkqUiiM+iu3nBP5b0e9VVjTpnugWhuZA3OPvS8EREj/ 7UaCpGUl33bNHpXwzXzfM3sECq3dOAf8/WFxoqlpH0YUTiyaDTHQty3npXIRaKtuqdrj lNRWso/yE4n9TubjdVZuM12HBimIHVivarPzoEYVM2r74wI7wAZJutXRrgZxHeTbMw0n Qg== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3jer1x5t78-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 08 Sep 2022 18:10:58 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 288IAvL8003357 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 8 Sep 2022 18:10:57 GMT Received: from tamizhr-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 15.2.986.29; Thu, 8 Sep 2022 11:10:56 -0700 From: Tamizh Chelvam Raja To: CC: , Tamizh Chelvam Raja Subject: [PATCH] wifi: cfg80211: Fix MCS divisor value Date: Thu, 8 Sep 2022 23:40:34 +0530 Message-ID: <20220908181034.9936-1-quic_tamizhr@quicinc.com> X-Mailer: git-send-email 2.17.1 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: 1_R-SVrKIbiY03hHuxFwL8AR_G6R_e8X X-Proofpoint-GUID: 1_R-SVrKIbiY03hHuxFwL8AR_G6R_e8X X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-08_10,2022-09-08_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 impostorscore=0 suspectscore=0 bulkscore=0 mlxlogscore=698 spamscore=0 priorityscore=1501 malwarescore=0 clxscore=1011 adultscore=0 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209080064 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Bitrate for HE/EHT MCS6 is calculated wrongly due to the incorrect MCS divisor value for mcs6. Fix it with the proper value. previous mcs_divisor value = (11769/6144) = 1.915527 fixed mcs_divisor value = (11377/6144) = 1.851725 Fixes 9c97c88d2 ("cfg80211: Add support to calculate and report 4096-QAM HE rates") Signed-off-by: Tamizh Chelvam Raja --- net/wireless/util.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/wireless/util.c b/net/wireless/util.c index 0b28d00ba8f5..01493568a21d 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1361,7 +1361,7 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate) 25599, /* 4.166666... */ 17067, /* 2.777777... */ 12801, /* 2.083333... */ - 11769, /* 1.851851... */ + 11377, /* 1.851725... */ 10239, /* 1.666666... */ 8532, /* 1.388888... */ 7680, /* 1.250000... */ @@ -1444,7 +1444,7 @@ static u32 cfg80211_calculate_bitrate_eht(struct rate_info *rate) 25599, /* 4.166666... */ 17067, /* 2.777777... */ 12801, /* 2.083333... */ - 11769, /* 1.851851... */ + 11377, /* 1.851725... */ 10239, /* 1.666666... */ 8532, /* 1.388888... */ 7680, /* 1.250000... */