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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 893F7C433F5 for ; Wed, 9 Mar 2022 16:24:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235399AbiCIQZH (ORCPT ); Wed, 9 Mar 2022 11:25:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234042AbiCIQWc (ORCPT ); Wed, 9 Mar 2022 11:22:32 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B00AF1EAEB; Wed, 9 Mar 2022 08:21:32 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 465B56194C; Wed, 9 Mar 2022 16:21:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AEA1EC340E8; Wed, 9 Mar 2022 16:21:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646842891; bh=97Nn50gt58l93v/9KvAPm/j6wwDc3B/WHx2XjMzWcM4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NsM7/PejihgS50t5LhctRNJjQjlvPAmlPx4NN7RnhH+Ysco5unSYfgTG7YLcV3vpT ggyh9uGHHshcUrIxhxr3Txz4x+mDSM10VZOUWIYmMF0bI235HA0SIktFGspY6RvKPO UmW5WGCQbfJNcOjn/PQ0B6hNZob7uSLkR3XY4ij2qZcUUCjRQxvJP1B7YA/nnK4Itj dDPDpXiDdrV/pIBPM/y8CCvuU9LDciePlP3Itp63Uh3cfLRGQFOuEtU5SNH+6o2R4v eZuuAbgWHmlbq5OLFPRcxmr94YKmhUPkhORqmvZMGEDUyORKgHnIE2C2Wr03fSCEIx UHDVsSDAItrvQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Golan Ben Ami , Luca Coelho , Johannes Berg , Sasha Levin , kvalo@kernel.org, davem@davemloft.net, kuba@kernel.org, ilan.peer@intel.com, miriam.rachel.korenblit@intel.com, mordechay.goodstein@intel.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 18/24] iwlwifi: don't advertise TWT support Date: Wed, 9 Mar 2022 11:19:37 -0500 Message-Id: <20220309161946.136122-18-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220309161946.136122-1-sashal@kernel.org> References: <20220309161946.136122-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Golan Ben Ami [ Upstream commit 1db5fcbba2631277b78d7f8aff99c9607d29f6d8 ] Some APs misbehave when TWT is used and cause our firmware to crash. We don't know a reasonable way to detect and work around this problem in the FW yet. To prevent these crashes, disable TWT in the driver by stopping to advertise TWT support. Link: https://bugzilla.kernel.org/show_bug.cgi?id=215523 Signed-off-by: Golan Ben Ami [reworded the commit message] Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/20220301072926.153969-1-luca@coelho.fi Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 3 +-- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 1 - 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 475f951d4b1e..fc40cca096c2 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -541,8 +541,7 @@ static const struct ieee80211_sband_iftype_data iwl_he_capa[] = { .has_he = true, .he_cap_elem = { .mac_cap_info[0] = - IEEE80211_HE_MAC_CAP0_HTC_HE | - IEEE80211_HE_MAC_CAP0_TWT_REQ, + IEEE80211_HE_MAC_CAP0_HTC_HE, .mac_cap_info[1] = IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US | IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 750217393f48..56c7a68a6491 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -295,7 +295,6 @@ static const u8 he_if_types_ext_capa_sta[] = { [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, - [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, }; static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { -- 2.34.1