From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 366C3C2BA2B for ; Tue, 7 Apr 2020 00:01:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB3B12082D for ; Tue, 7 Apr 2020 00:01:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586217669; bh=LsGwzhl9mRdO++Z0F9wZmxu6Hs4Hb4HS+22XNh9FSkM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GA3oASC0ULMe2pS/8HwWCQfJkHfHGm5y3lyDOPyZtNtjTnowWgpyAMemedL9kc8JK ZaYwSDAjhb86L5znE8+Eq2nuuN24g9fy9R9cNBY000sPD9n7y8AW6cjoSkC6OVVrhC 8EohkF4KzPBcqIF+ze55ftSay+l6epXRwohnRta8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726620AbgDGABJ (ORCPT ); Mon, 6 Apr 2020 20:01:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:33566 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726591AbgDGABI (ORCPT ); Mon, 6 Apr 2020 20:01:08 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 446E920801; Tue, 7 Apr 2020 00:01:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586217668; bh=LsGwzhl9mRdO++Z0F9wZmxu6Hs4Hb4HS+22XNh9FSkM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lsqP/RvTQBtS6YlzkFUo1LgejTVHCxHUMhP24aYs7p/Ko8w8IN9WD22xCrpH534PO S+W0q5EQicVv0yduBoRk8pSusVwvsc66qlpFR8k2JQkW4eCZ5+i931h6EBI2bBeosW a3cMKuOnQ2hundR4U2Uisqq04tpcLYS4UK/pqv7k= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mordechay Goodstein , Luca Coelho , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.5 07/35] iwlwifi: consider HE capability when setting LDPC Date: Mon, 6 Apr 2020 20:00:29 -0400 Message-Id: <20200407000058.16423-7-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200407000058.16423-1-sashal@kernel.org> References: <20200407000058.16423-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Mordechay Goodstein [ Upstream commit cb377dfda1755b3bc01436755d866c8e5336a762 ] The AP may set the LDPC capability only in HE (IEEE80211_HE_PHY_CAP1), but we were checking it only in the HT capabilities. If we don't use this capability when required, the DSP gets the wrong configuration in HE and doesn't work properly. Signed-off-by: Mordechay Goodstein Fixes: befebbb30af0 ("iwlwifi: rs: consider LDPC capability in case of HE") Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20200306151128.492d167c1a25.I1ad1353dbbf6c99ae57814be750f41a1c9f7f4ac@changeid Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c index e2cf9e015ef8c..80ef238a84884 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c @@ -147,7 +147,11 @@ static u16 rs_fw_get_config_flags(struct iwl_mvm *mvm, (vht_ena && (vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC)))) flags |= IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK; - /* consider our LDPC support in case of HE */ + /* consider LDPC support in case of HE */ + if (he_cap->has_he && (he_cap->he_cap_elem.phy_cap_info[1] & + IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)) + flags |= IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK; + if (sband->iftype_data && sband->iftype_data->he_cap.has_he && !(sband->iftype_data->he_cap.he_cap_elem.phy_cap_info[1] & IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)) -- 2.20.1