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 761B2C433F5 for ; Wed, 9 Mar 2022 16:25:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232425AbiCIQ0N (ORCPT ); Wed, 9 Mar 2022 11:26:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238134AbiCIQVY (ORCPT ); Wed, 9 Mar 2022 11:21:24 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 655781520F2; Wed, 9 Mar 2022 08:19:11 -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 F4174615F1; Wed, 9 Mar 2022 16:19:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C87BC340E8; Wed, 9 Mar 2022 16:19:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646842750; bh=88f2Inyp4nMPXG1F0eSXddJ2jr5Uf6R8ttDLN4ddLcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jTgBlFYcxVLFz8bIuNDzdhT1W+FLaMKQUIoBJd92OYdKPENyI5HnJzGgBZ/i3fuhi PblzEfpxXto3Rp1TzjHF0ebCsVbnTprgztV0dtLbxxoy+Lvrt2PGK28kRLwuoRglS8 A50CB+3512kbnWfjy3FWLxJZHL1v+xqtw89/4yorCp1ami7iv69nHNunbxZ0XVFeEY +GTgEHT8fqL719yJR8xtP9Lmns+Ul30bpYaEco0Q7KD1JDXhd9wuh0aG3VRm0icZGK UI/3Tj+Bt5dQ/DfCt+mTnH04o3ddnxM283C4rxOXSN4yMSD3sK9wPM5q1+HUZNiZ8A 9bbiojuJzPsvw== 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, mordechay.goodstein@intel.com, ilan.peer@intel.com, miriam.rachel.korenblit@intel.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.16 21/27] iwlwifi: don't advertise TWT support Date: Wed, 9 Mar 2022 11:16:58 -0500 Message-Id: <20220309161711.135679-21-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220309161711.135679-1-sashal@kernel.org> References: <20220309161711.135679-1-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: linux-kernel@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 f470f9aea50f..c97798f6290a 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -552,8 +552,7 @@ 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 cde3d2ce0b85..a65024fc96dd 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -223,7 +223,6 @@ 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