From patchwork Tue Feb 6 16:02:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Korenblit, Miriam Rachel" X-Patchwork-Id: 771282 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2820134CCA for ; Tue, 6 Feb 2024 16:02:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235349; cv=none; b=qr05tbM/37ctoVbPN1R/8neNlJAw7hke/m4Z0eluNKseMqPtd2QUn1dIjJ1cQUFFkqsV2MhO0HjuF74PxxlxhgmfUpY0FwJ54/rXYoxcyitnB+u2HK74nP4+MoXTl48DlebRl2tpIoq6r12x0TKMj+YZg0b4/kuTnwmQi8OFErw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235349; c=relaxed/simple; bh=51SYq2MvJm4vF/IP5v45nLVuSp8Xr3h/jNpxkUvZ12Q=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Wxaf5HywpESRN5WW3tuP4sPAENR27IB0taFmJ4ouDSDzV073hAi61N9NqaEcX+BH2drWR4hydy+rEnzZaWaKUEucIcUKVo2B6Ubn5txvH2EDfqWLsukHd+bulURsfGpK/CuaVMkyamsy11w/p4DNb6jItf1IkmC4vN/QoIaR7Hc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=GuzAOR0k; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="GuzAOR0k" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707235348; x=1738771348; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=51SYq2MvJm4vF/IP5v45nLVuSp8Xr3h/jNpxkUvZ12Q=; b=GuzAOR0kUFE++VOcj4u9Dp5x0mtDWhH1nUkxQoCpnCZUmMSjim6gW2tA Knaqb9y63xEHXiW5H6k/08ByQW3y3rU7bQEXW4PYRLnCiZAQL7O1tE0S/ Jd233RzB5idFBiBhDcs7tXPkyeWIzxLtiIpiKmVqGSgUAKrEIDmcce/0a VZlsh03tiFc/eC5Tg2Pu2aRgKcrhYUhpYXsKdhyBCUL4LyqSY493AFkiX 8KbvNE165UnMMZkUh6rAurB5Zkz39A2cHh3tjNriJVIEoPVU8G933d8/n bHDdO83pNtwytuLc2jaBcVwFZ4g3i27OAD/KFcgosAi7nWMIM58Lo5ObV A==; X-IronPort-AV: E=McAfee;i="6600,9927,10976"; a="23252302" X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="23252302" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="1349804" Received: from unknown (HELO WEIS0040.iil.intel.com) ([10.12.217.108]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:26 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Emmanuel Grumbach Subject: [PATCH 01/11] wifi: iwlwifi: mvm: fix a crash when we run out of stations Date: Tue, 6 Feb 2024 18:02:04 +0200 Message-Id: <20240206175739.1f76c44b2486.I6a00955e2842f15f0a089db2f834adb9d10fbe35@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Emmanuel Grumbach A DoS tool that injects loads of authentication frames made our AP crash. The iwl_mvm_is_dup() function couldn't find the per-queue dup_data which was not allocated. The root cause for that is that we ran out of stations in the firmware and we didn't really add the station to the firmware, yet we didn't return an error to mac80211. Mac80211 was thinking that we have the station and because of that, sta_info::uploaded was set to 1. This allowed ieee80211_find_sta_by_ifaddr() to return a valid station object, but that ieee80211_sta didn't have any iwl_mvm_sta object initialized and that caused the crash mentioned earlier when we got Rx on that station. Fixes: 57974a55d995 ("wifi: iwlwifi: mvm: refactor iwl_mvm_mac_sta_state_common()") Signed-off-by: Emmanuel Grumbach Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 3 +++ drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 9c8eea883212..4fe50036bfde 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -3697,6 +3697,9 @@ iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, NL80211_TDLS_SETUP); } + if (ret) + return ret; + for_each_sta_active_link(vif, sta, link_sta, i) link_sta->agg.max_rc_amsdu_len = 1; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index b7639e429889..1484eaedf452 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -512,6 +512,10 @@ static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, return false; mvm_sta = iwl_mvm_sta_from_mac80211(sta); + + if (WARN_ON_ONCE(!mvm_sta->dup_data)) + return false; + dup_data = &mvm_sta->dup_data[queue]; /* From patchwork Tue Feb 6 16:02:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Korenblit, Miriam Rachel" X-Patchwork-Id: 770596 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 52E1413474A for ; Tue, 6 Feb 2024 16:02:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235351; cv=none; b=Z9J99Oaqm8ndT8rOTlvIVTwhrzEtq73BbYKv6jJdPyz60Zt5YKcJ0tdhhuj8lIwnltJ7sGrVeqzy8ng/hkOrZaFkFNytRsH0sRG0Pl033ji3ZKHKHuCF86xJrGSrNO9JW1mtZsg85xJw4GjbXa9vaJsB1tISzrgX1mPV9DRP5K0= ARC-Message-Signature: i=1; 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06 Feb 2024 08:02:28 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Johannes Berg Subject: [PATCH 02/11] wifi: iwlwifi: fw: allow vmalloc for PNVM image Date: Tue, 6 Feb 2024 18:02:05 +0200 Message-Id: <20240206175739.9b4c06b5d533.Idf699b36ec95ee36f530355cd2cb1da297a098f1@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Johannes Berg This image can be pretty big (I've seen order-7 allocations!), and we later have to copy it to DMA memory (in newer FW even there it won't need to be contiguous), so we can easily deal with it being in vmalloc. Use kvmemdup()/kvfree() for it. Signed-off-by: Johannes Berg Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/fw/pnvm.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c index 053174f00e49..1195e708caa9 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright(c) 2020-2023 Intel Corporation + * Copyright(c) 2020-2024 Intel Corporation */ #include "iwl-drv.h" @@ -252,7 +252,7 @@ static int iwl_pnvm_get_from_fs(struct iwl_trans *trans, u8 **data, size_t *len) } new_len = pnvm->size; - *data = kmemdup(pnvm->data, pnvm->size, GFP_KERNEL); + *data = kvmemdup(pnvm->data, pnvm->size, GFP_KERNEL); release_firmware(pnvm); if (!*data) @@ -275,8 +275,8 @@ static u8 *iwl_get_pnvm_image(struct iwl_trans *trans_p, size_t *len) if (*len >= sizeof(*package)) { /* we need only the data */ *len -= sizeof(*package); - image = kmemdup(package->data, - *len, GFP_KERNEL); + image = kvmemdup(package->data, + *len, GFP_KERNEL); } /* * free package regardless of whether kmemdup @@ -333,7 +333,7 @@ static void iwl_pnvm_load_pnvm_to_trans(struct iwl_trans *trans, set: iwl_trans_set_pnvm(trans, capa); free: - kfree(data); + kvfree(data); kfree(pnvm_data); } From patchwork Tue Feb 6 16:02:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Korenblit, Miriam Rachel" X-Patchwork-Id: 771281 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04381134CC0 for ; Tue, 6 Feb 2024 16:02:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235353; cv=none; 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06 Feb 2024 08:02:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="1349823" Received: from unknown (HELO WEIS0040.iil.intel.com) ([10.12.217.108]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:30 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Emmanuel Grumbach Subject: [PATCH 03/11] wifi: iwlwifi: mvm: don't set the MFP flag for the GTK Date: Tue, 6 Feb 2024 18:02:06 +0200 Message-Id: <20240206175739.2f2c602ab3c6.If13b2e2fa532381d985c07df130bee1478046c89@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Emmanuel Grumbach The firmware doesn't need the MFP flag for the GTK, it can even make the firmware crash. in case the AP is configured with: group cipher TKIP and MFPC. We would send the GTK with cipher = TKIP and MFP which is of course not possible. Fixes: 5c75a208c244 ("wifi: iwlwifi: mvm: support new key API") Signed-off-by: Emmanuel Grumbach Signed-off-by: Miri Korenblit --- .../net/wireless/intel/iwlwifi/mvm/mld-key.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c index bbd37a95d4c8..8a38fc4b0b0f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2022 - 2023 Intel Corporation + * Copyright (C) 2022 - 2024 Intel Corporation */ #include #include @@ -62,11 +62,13 @@ u32 iwl_mvm_get_sec_flags(struct iwl_mvm *mvm, struct ieee80211_key_conf *keyconf) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + bool pairwise = keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE; + bool igtk = keyconf->keyidx == 4 || keyconf->keyidx == 5; u32 flags = 0; lockdep_assert_held(&mvm->mutex); - if (!(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + if (!pairwise) flags |= IWL_SEC_KEY_FLAG_MCAST_KEY; switch (keyconf->cipher) { @@ -96,12 +98,14 @@ u32 iwl_mvm_get_sec_flags(struct iwl_mvm *mvm, if (!sta && vif->type == NL80211_IFTYPE_STATION) sta = mvmvif->ap_sta; - /* Set the MFP flag also for an AP interface where the key is an IGTK - * key as in such a case the station would always be NULL + /* + * If we are installing an iGTK (in AP or STA mode), we need to tell + * the firmware this key will en/decrypt MGMT frames. + * Same goes if we are installing a pairwise key for an MFP station. + * In case we're installing a groupwise key (which is not an iGTK), + * then, we will not use this key for MGMT frames. */ - if ((!IS_ERR_OR_NULL(sta) && sta->mfp) || - (vif->type == NL80211_IFTYPE_AP && - (keyconf->keyidx == 4 || keyconf->keyidx == 5))) + if ((!IS_ERR_OR_NULL(sta) && sta->mfp && pairwise) || igtk) flags |= IWL_SEC_KEY_FLAG_MFP; if (keyconf->flags & IEEE80211_KEY_FLAG_SPP_AMSDU) From patchwork Tue Feb 6 16:02:07 2024 Content-Type: text/plain; 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Don't send it if the firmware advertises it does not need it. Signed-off-by: Emmanuel Grumbach Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/fw/file.h | 5 ++++- drivers/net/wireless/intel/iwlwifi/mvm/sf.c | 5 ++++- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index b7ef0882dbad..08d9aeaedd99 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2008-2014, 2018-2023 Intel Corporation + * Copyright (C) 2008-2014, 2018-2024 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -247,6 +247,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_api_t; * logic. * @IWL_UCODE_TLV_API_INT_DBG_BUF_CLEAR: Firmware supports clearing the debug * internal buffer + * @IWL_UCODE_TLV_API_SMART_FIFO_OFFLOAD: Firmware doesn't need the host to + * configure the smart fifo * * @NUM_IWL_UCODE_TLV_API: number of bits used */ @@ -287,6 +289,7 @@ enum iwl_ucode_tlv_api { /* API Set 2 */ IWL_UCODE_TLV_API_NO_HOST_DISABLE_TX = (__force iwl_ucode_tlv_api_t)66, IWL_UCODE_TLV_API_INT_DBG_BUF_CLEAR = (__force iwl_ucode_tlv_api_t)67, + IWL_UCODE_TLV_API_SMART_FIFO_OFFLOAD = (__force iwl_ucode_tlv_api_t)68, NUM_IWL_UCODE_TLV_API /* diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sf.c b/drivers/net/wireless/intel/iwlwifi/mvm/sf.c index 30d4233595e8..16285ae7cae9 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sf.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sf.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2013-2014, 2018-2019, 2022-2023 Intel Corporation + * Copyright (C) 2013-2014, 2018-2019, 2022-2024 Intel Corporation * Copyright (C) 2013-2014 Intel Mobile Communications GmbH */ #include "mvm.h" @@ -232,6 +232,9 @@ int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *changed_vif, }; struct ieee80211_sta *sta = NULL; + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SMART_FIFO_OFFLOAD)) + return 0; /* * Ignore the call if we are in HW Restart flow, or if the handled * vif is a p2p device. From patchwork Tue Feb 6 16:02:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Korenblit, Miriam Rachel" X-Patchwork-Id: 771280 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFECF13475E for ; Tue, 6 Feb 2024 16:02:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235357; cv=none; b=qybskM8E2oiimejQKYqca1z/UIA3GD3Q5vpvB3RO3ZC3sVC7Bu7+f0FZH8JUhXE3vI52XBPPP3y7Jdc7aqfGh+REiBLOcJq4Kox09RKVEyMlkxZAlbWflJSjkOuXOTr+8ydXXvBkudcG2lPLB+XpThy3B+lM8Vnkz2KRFd/g4zY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235357; c=relaxed/simple; bh=4IAr+Xn1CEXtHr4g3uYzxA1kidu4eJ8Ww9teT8ZXiOY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=CcloHsW62BQr8B1OjtADrYj8GSN3J3KxHVaKpQAjOnqFiYzkzBU5aLbx1FSutpWZTf45WBp08gPgBm6XUPmeF8EkcZatd5+/HvCRDKbkUORI7U5ZrdbKXzZmmZIkUonn4Sa6yCxHTnrEMFIbH3VDHIxJmJZVhJsuYszy+SzxebE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Uvfck+dc; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Uvfck+dc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707235356; x=1738771356; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4IAr+Xn1CEXtHr4g3uYzxA1kidu4eJ8Ww9teT8ZXiOY=; b=Uvfck+dcF6XhY4grAeDBChBuI3xvkM8o4bHlPsv5YV9Nx++uf+kpo2gz 8unQsmsL23qs9UsQ6toNpXPZTvIBIlc7vxYwv6f2LCM1QJeyENoe8Nupx 6xfcIVJSpqeOPMVchy0L//aYCWetp2R4ngBVYALSiUyGk+N66094K27KU LF3Esjy3pez85Spe1sLzw/6sYW35M2UGhBocGNdSfNFX1IJ4qJ2z/wh0p oUf2GozQgweS3UrsPY5CxKWc5V2cmfZdry3VIIKjyFsPCuiyHkVTE+icr 5oaxOZhG9oxW/XvH2LA4olSbOvkXNtS3zJrDYxuP9hUXiXWeWgqVvdm96 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10976"; a="23252323" X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="23252323" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="1349832" Received: from unknown (HELO WEIS0040.iil.intel.com) ([10.12.217.108]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:34 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Mukesh Sisodiya Subject: [PATCH 05/11] wifi: iwlwifi: pcie: Add new PCI device id and CNVI Date: Tue, 6 Feb 2024 18:02:08 +0200 Message-Id: <20240206175739.506db9b4a664.Ia2e3a77b880c449ac0e8d20b8cea25e6f07f1b81@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Mukesh Sisodiya Add the support for a new PCIE device-id 0x272E and a new CNVI type. Signed-off-by: Mukesh Sisodiya Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/cfg/sc.c | 38 +++++++++++++++++-- .../net/wireless/intel/iwlwifi/iwl-config.h | 8 +++- drivers/net/wireless/intel/iwlwifi/pcie/drv.c | 15 +++++++- 3 files changed, 55 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/sc.c b/drivers/net/wireless/intel/iwlwifi/cfg/sc.c index e0679093ed8e..be98a174a311 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/sc.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/sc.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018-2023 Intel Corporation + * Copyright (C) 2018-2024 Intel Corporation */ #include #include @@ -33,6 +33,10 @@ #define IWL_SC_A_GF_A_FW_PRE "iwlwifi-sc-a0-gf-a0" #define IWL_SC_A_GF4_A_FW_PRE "iwlwifi-sc-a0-gf4-a0" #define IWL_SC_A_WH_A_FW_PRE "iwlwifi-sc-a0-wh-a0" +#define IWL_SC2_A_FM_C_FW_PRE "iwlwifi-sc2-a0-fm-c0" +#define IWL_SC2_A_WH_A_FW_PRE "iwlwifi-sc2-a0-wh-a0" +#define IWL_SC2F_A_FM_C_FW_PRE "iwlwifi-sc2f-a0-fm-c0" +#define IWL_SC2F_A_WH_A_FW_PRE "iwlwifi-sc2f-a0-wh-a0" #define IWL_SC_A_FM_B_FW_MODULE_FIRMWARE(api) \ IWL_SC_A_FM_B_FW_PRE "-" __stringify(api) ".ucode" @@ -48,6 +52,14 @@ IWL_SC_A_GF4_A_FW_PRE "-" __stringify(api) ".ucode" #define IWL_SC_A_WH_A_FW_MODULE_FIRMWARE(api) \ IWL_SC_A_WH_A_FW_PRE "-" __stringify(api) ".ucode" +#define IWL_SC2_A_FM_C_FW_MODULE_FIRMWARE(api) \ + IWL_SC2_A_FM_C_FW_PRE "-" __stringify(api) ".ucode" +#define IWL_SC2_A_WH_A_FW_MODULE_FIRMWARE(api) \ + IWL_SC2_A_WH_A_FW_PRE "-" __stringify(api) ".ucode" +#define IWL_SC2F_A_FM_C_FW_MODULE_FIRMWARE(api) \ + IWL_SC2F_A_FM_C_FW_PRE "-" __stringify(api) ".ucode" +#define IWL_SC2F_A_WH_A_FW_MODULE_FIRMWARE(api) \ + IWL_SC2F_A_WH_A_FW_PRE "-" __stringify(api) ".ucode" static const struct iwl_base_params iwl_sc_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE_32K, @@ -124,6 +136,9 @@ static const struct iwl_base_params iwl_sc_base_params = { #define IWL_DEVICE_SC \ IWL_DEVICE_BZ_COMMON, \ + .uhb_supported = true, \ + .features = IWL_TX_CSUM_NETIF_FLAGS | NETIF_F_RXCSUM, \ + .num_rbds = IWL_NUM_RBDS_SC_EHT, \ .ht_params = &iwl_22000_ht_params /* @@ -149,10 +164,21 @@ const char iwl_sc_name[] = "Intel(R) TBD Sc device"; const struct iwl_cfg iwl_cfg_sc = { .fw_name_mac = "sc", - .uhb_supported = true, IWL_DEVICE_SC, - .features = IWL_TX_CSUM_NETIF_FLAGS | NETIF_F_RXCSUM, - .num_rbds = IWL_NUM_RBDS_SC_EHT, +}; + +const char iwl_sc2_name[] = "Intel(R) TBD Sc2 device"; + +const struct iwl_cfg iwl_cfg_sc2 = { + .fw_name_mac = "sc2", + IWL_DEVICE_SC, +}; + +const char iwl_sc2f_name[] = "Intel(R) TBD Sc2f device"; + +const struct iwl_cfg iwl_cfg_sc2f = { + .fw_name_mac = "sc2f", + IWL_DEVICE_SC, }; MODULE_FIRMWARE(IWL_SC_A_FM_B_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); @@ -162,3 +188,7 @@ MODULE_FIRMWARE(IWL_SC_A_HR_B_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_SC_A_GF_A_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_SC_A_GF4_A_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_SC_A_WH_A_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL_SC2_A_FM_C_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL_SC2_A_WH_A_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL_SC2F_A_FM_C_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL_SC2F_A_WH_A_FW_MODULE_FIRMWARE(IWL_SC_UCODE_API_MAX)); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index 97e73443316a..6aa4f7f9c708 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2005-2014, 2018-2021 Intel Corporation * Copyright (C) 2016-2017 Intel Deutschland GmbH - * Copyright (C) 2018-2023 Intel Corporation + * Copyright (C) 2018-2024 Intel Corporation */ #ifndef __IWL_CONFIG_H__ #define __IWL_CONFIG_H__ @@ -419,6 +419,8 @@ struct iwl_cfg { #define IWL_CFG_MAC_TYPE_BZ 0x46 #define IWL_CFG_MAC_TYPE_GL 0x47 #define IWL_CFG_MAC_TYPE_SC 0x48 +#define IWL_CFG_MAC_TYPE_SC2 0x49 +#define IWL_CFG_MAC_TYPE_SC2F 0x4A #define IWL_CFG_RF_TYPE_TH 0x105 #define IWL_CFG_RF_TYPE_TH1 0x108 @@ -541,6 +543,8 @@ extern const char iwl_ax411_name[]; extern const char iwl_bz_name[]; extern const char iwl_mtp_name[]; extern const char iwl_sc_name[]; +extern const char iwl_sc2_name[]; +extern const char iwl_sc2f_name[]; #if IS_ENABLED(CONFIG_IWLDVM) extern const struct iwl_cfg iwl5300_agn_cfg; extern const struct iwl_cfg iwl5100_agn_cfg; @@ -646,6 +650,8 @@ extern const struct iwl_cfg iwl_cfg_bz; extern const struct iwl_cfg iwl_cfg_gl; extern const struct iwl_cfg iwl_cfg_sc; +extern const struct iwl_cfg iwl_cfg_sc2; +extern const struct iwl_cfg iwl_cfg_sc2f; #endif /* CONFIG_IWLMVM */ #endif /* __IWL_CONFIG_H__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 1ed67b76b516..4a657036b9d6 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2005-2014, 2018-2023 Intel Corporation + * Copyright (C) 2005-2014, 2018-2024 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -509,6 +509,9 @@ static const struct pci_device_id iwl_hw_card_ids[] = { /* Sc devices */ {IWL_PCI_DEVICE(0xE440, PCI_ANY_ID, iwl_sc_trans_cfg)}, + {IWL_PCI_DEVICE(0xE340, PCI_ANY_ID, iwl_sc_trans_cfg)}, + {IWL_PCI_DEVICE(0xD340, PCI_ANY_ID, iwl_sc_trans_cfg)}, + {IWL_PCI_DEVICE(0x6E70, PCI_ANY_ID, iwl_sc_trans_cfg)}, #endif /* CONFIG_IWLMVM */ {0} @@ -1121,6 +1124,16 @@ VISIBLE_IF_IWLWIFI_KUNIT const struct iwl_dev_info iwl_dev_info_table[] = { IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY, iwl_cfg_sc, iwl_sc_name), + _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY, + IWL_CFG_MAC_TYPE_SC2, IWL_CFG_ANY, + IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY, + IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY, + iwl_cfg_sc2, iwl_sc2_name), + _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY, + IWL_CFG_MAC_TYPE_SC2F, IWL_CFG_ANY, + IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY, + IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY, + iwl_cfg_sc2f, iwl_sc2f_name), #endif /* CONFIG_IWLMVM */ }; 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06 Feb 2024 08:02:36 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Johannes Berg Subject: [PATCH 06/11] wifi: iwlwifi: mvm: don't set replay counters to 0xff Date: Tue, 6 Feb 2024 18:02:09 +0200 Message-Id: <20240206175739.462101146fef.I10f3855b99417af4247cff04af78dcbc6cb75c9c@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Johannes Berg The firmware (later) actually uses the values even for keys that are invalid as far as the host is concerned, later in rekeying, and then only sets the low 48 bits since the PNs are only 48 bits over the air. It does, however, compare the full 64 bits later, obviously causing problems. Remove the memset and use kzalloc instead to avoid any old heap data leaking to the firmware. We already init all the other fields in the struct anyway. This leaves the data set to zero for any unused fields, so the firmware can look at them safely even if they're not used right now. Fixes: 79e561f0f05a ("iwlwifi: mvm: d3: implement RSC command version 5") Signed-off-by: Johannes Berg Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 5bc08c1d207a..e1c77276557d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -461,12 +461,10 @@ static int iwl_mvm_wowlan_config_rsc_tsc(struct iwl_mvm *mvm, struct wowlan_key_rsc_v5_data data = {}; int i; - data.rsc = kmalloc(sizeof(*data.rsc), GFP_KERNEL); + data.rsc = kzalloc(sizeof(*data.rsc), GFP_KERNEL); if (!data.rsc) return -ENOMEM; - memset(data.rsc, 0xff, sizeof(*data.rsc)); - for (i = 0; i < ARRAY_SIZE(data.rsc->mcast_key_id_map); i++) data.rsc->mcast_key_id_map[i] = IWL_MCAST_KEY_MAP_INVALID; From patchwork Tue Feb 6 16:02:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Korenblit, Miriam Rachel" X-Patchwork-Id: 771279 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 90E791350C7 for ; Tue, 6 Feb 2024 16:02:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235362; cv=none; b=K5Oxz0XcJNN/E2tKceCUgMid2wltqVTXxxjauA5bQ8YdAtiodFFC+JObbAQ5O/zFjzitVxENu72UWnfd4T3WdF3BPR/hN58D99mnhQ86lRMpK8XCpeqhe5+7g7valmMKDBS5/ildVgeKIQKg1IxIWRu9ZJpfPxEdsOwS7Y4tVa0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235362; c=relaxed/simple; bh=klbA5qc/9ZDEhZdjryTJhbC6G6SX6gE+tHjCGjt/7Gw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hOf1Wa/p2Wxs9Dmcfto1pSQIbV44dKTwWpQNJG2KGHFOwEzJeELadFl/oSZmlIIB8ybdGOvAnV+4HfBEnBgql3HHH1aNIsdj0qA89uGco9IAn9IevSktmNKjN3tYEuQT/V62wPTb7rsKWZrCcTfUi4MZfiH7sUUqohYvnqSRrzI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=bklS2gaC; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="bklS2gaC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707235361; x=1738771361; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=klbA5qc/9ZDEhZdjryTJhbC6G6SX6gE+tHjCGjt/7Gw=; b=bklS2gaCT0cUDrZFC9DETdGvyp1iqfxXJB64BzCLznEgqYuxKqdM7xfD ODy0BVCsMBjTCuE2fSWOEM2C+eM19/MkwWMEiLBatW2bm0+HvRvZEPvWW xI+ZMfbgWC3a7SZfpeAw790viAvgakwhxa6bN79iOCxjfFBk5OlfpJ04g gNZ22nXYWvfM5ZOT0rjDy5LanRt6lmE30jZ27OZ+VykagB4kuxaxrGchv NUFhwbKqrr7458jWoAb05MgFGbC60l51ae+q9EmLBNS0UIVjLI5ubUs3I 0bKOtB8gxXGbNFKOvVnPLB2lZfnLtrwkahGkwp7XwrAp4/LZN2LfDDk/X w==; X-IronPort-AV: E=McAfee;i="6600,9927,10976"; a="23252379" X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="23252379" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="1349841" Received: from unknown (HELO WEIS0040.iil.intel.com) ([10.12.217.108]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:38 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Johannes Berg Subject: [PATCH 07/11] wifi: iwlwifi: mvm: remove flags for enable/disable beacon filter Date: Tue, 6 Feb 2024 18:02:10 +0200 Message-Id: <20240206175739.2c739c1034a5.I8619949ad4ebd31593d10ece371ebdc6c48db98f@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Johannes Berg The flags argument to enable/disable beacon filtering functions is unused and always zero, so just remove it. Signed-off-by: Johannes Berg Signed-off-by: Miri Korenblit --- .../wireless/intel/iwlwifi/mvm/debugfs-vif.c | 6 ++-- .../net/wireless/intel/iwlwifi/mvm/mac80211.c | 18 ++++++------ .../wireless/intel/iwlwifi/mvm/mld-mac80211.c | 2 +- drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 6 ++-- .../net/wireless/intel/iwlwifi/mvm/power.c | 29 ++++++++----------- 5 files changed, 27 insertions(+), 34 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c index 2b96cf9eac72..aa3c9c2cbd7f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2012-2014, 2018-2023 Intel Corporation + * Copyright (C) 2012-2014, 2018-2024 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -381,9 +381,9 @@ static ssize_t iwl_dbgfs_bf_params_write(struct ieee80211_vif *vif, char *buf, mutex_lock(&mvm->mutex); iwl_dbgfs_update_bf(vif, param, value); if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value) - ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); + ret = iwl_mvm_disable_beacon_filter(mvm, vif); else - ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); + ret = iwl_mvm_enable_beacon_filter(mvm, vif); mutex_unlock(&mvm->mutex); return ret ?: count; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 4fe50036bfde..a051e0c955d5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -1448,7 +1448,7 @@ int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { - ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); + ret = iwl_mvm_enable_beacon_filter(mvm, vif); if (ret) goto out_unlock; @@ -1632,7 +1632,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, goto out_remove_mac; /* beacon filtering */ - ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); + ret = iwl_mvm_disable_beacon_filter(mvm, vif); if (ret) goto out_remove_mac; @@ -2575,7 +2575,7 @@ iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, iwl_mvm_stop_session_protection(mvm, vif); iwl_mvm_sf_update(mvm, vif, false); - WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); + WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); } if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | @@ -2596,7 +2596,7 @@ iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, /* FIXME: need to update per link when FW API will * support it */ - ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); + ret = iwl_mvm_enable_beacon_filter(mvm, vif); if (ret) IWL_ERR(mvm, "failed to update CQM thresholds\n"); @@ -3800,7 +3800,7 @@ iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, NL80211_TDLS_ENABLE_LINK); } else { /* enable beacon filtering */ - WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); + WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); mvmvif->authorized = 1; @@ -3858,7 +3858,7 @@ iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, mvmvif->authorized = 0; /* disable beacon filtering */ - iwl_mvm_disable_beacon_filter(mvm, vif, 0); + iwl_mvm_disable_beacon_filter(mvm, vif); } return 0; @@ -5302,8 +5302,8 @@ static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, return -EINVAL; if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) - return iwl_mvm_enable_beacon_filter(mvm, vif, 0); - return iwl_mvm_disable_beacon_filter(mvm, vif, 0); + return iwl_mvm_enable_beacon_filter(mvm, vif); + return iwl_mvm_disable_beacon_filter(mvm, vif); } return -EOPNOTSUPP; @@ -5387,7 +5387,7 @@ static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, iwl_mvm_csa_client_absent(mvm, vif); if (mvmvif->bf_data.bf_enabled) { - int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); + int ret = iwl_mvm_disable_beacon_filter(mvm, vif); if (ret) return ret; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c index ff7d9a7d607e..f818cf46b09c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c @@ -47,7 +47,7 @@ static int iwl_mvm_mld_mac_add_interface(struct ieee80211_hw *hw, goto out_unlock; /* beacon filtering */ - ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); + ret = iwl_mvm_disable_beacon_filter(mvm, vif); if (ret) goto out_remove_mac; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 76f50b3bf893..2dd45f39b77f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -2143,11 +2143,9 @@ iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, {} #endif int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u32 flags); + struct ieee80211_vif *vif); int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u32 flags); + struct ieee80211_vif *vif); /* SMPS */ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum iwl_mvm_smps_type_request req_type, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/power.c b/drivers/net/wireless/intel/iwlwifi/mvm/power.c index 1b9b06e0443f..41e68aa6bec8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/power.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2012-2014, 2018-2019, 2021-2023 Intel Corporation + * Copyright (C) 2012-2014, 2018-2019, 2021-2024 Intel Corporation * Copyright (C) 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH */ @@ -20,8 +20,7 @@ static int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, - struct iwl_beacon_filter_cmd *cmd, - u32 flags) + struct iwl_beacon_filter_cmd *cmd) { u16 len; @@ -62,7 +61,7 @@ int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, len = offsetof(struct iwl_beacon_filter_cmd, bf_threshold_absolute_low); - return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags, + return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, 0, len, cmd); } @@ -813,8 +812,7 @@ iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_beacon_filter_cmd *cmd, - u32 cmd_flags) + struct iwl_beacon_filter_cmd *cmd) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; @@ -825,7 +823,7 @@ static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd); iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); - ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); + ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd); if (!ret) mvmvif->bf_data.bf_enabled = true; @@ -834,20 +832,18 @@ static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, } int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u32 flags) + struct ieee80211_vif *vif) { struct iwl_beacon_filter_cmd cmd = { IWL_BF_CMD_CONFIG_DEFAULTS, .bf_enable_beacon_filter = cpu_to_le32(1), }; - return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags); + return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd); } static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u32 flags) + struct ieee80211_vif *vif) { struct iwl_beacon_filter_cmd cmd = {}; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); @@ -856,7 +852,7 @@ static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) return 0; - ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); + ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); if (!ret) mvmvif->bf_data.bf_enabled = false; @@ -865,10 +861,9 @@ static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, } int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u32 flags) + struct ieee80211_vif *vif) { - return _iwl_mvm_disable_beacon_filter(mvm, vif, flags); + return _iwl_mvm_disable_beacon_filter(mvm, vif); } static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) @@ -919,7 +914,7 @@ static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, !vif->cfg.ps || iwl_mvm_vif_low_latency(mvmvif)); 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06 Feb 2024 08:02:40 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Johannes Berg Subject: [PATCH 08/11] wifi: iwlwifi: mvm: show skb_mac_gso_segment() failure reason Date: Tue, 6 Feb 2024 18:02:11 +0200 Message-Id: <20240206175739.b1b907741e85.Ib8ee9c90bd8f1af69969981ff0c63e9cc3123e1f@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Johannes Berg If this warning triggers we don't really know why, print out the return value so we can see it. Signed-off-by: Johannes Berg Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index c5fafaaee521..3c887a8eebc0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -951,9 +951,15 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes, next = skb_gso_segment(skb, netdev_flags); skb_shinfo(skb)->gso_size = mss; skb_shinfo(skb)->gso_type = ipv4 ? SKB_GSO_TCPV4 : SKB_GSO_TCPV6; - if (WARN_ON_ONCE(IS_ERR(next))) - return -EINVAL; - else if (next) + + if (IS_ERR(next) && PTR_ERR(next) == -ENOMEM) + return -ENOMEM; + + if (WARN_ONCE(IS_ERR(next), + "skb_gso_segment error: %d\n", (int)PTR_ERR(next))) + return PTR_ERR(next); + + if (next) consume_skb(skb); skb_list_walk_safe(next, tmp, next) { From patchwork Tue Feb 6 16:02:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Korenblit, Miriam Rachel" X-Patchwork-Id: 771278 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E36B1134CE2 for ; Tue, 6 Feb 2024 16:02:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235365; cv=none; b=iOmxoi9NMmjxV1Y3uXw/KzZfoxGt1dlDdjuRk0o6SBMz6Jv3ti1ZkaWMiCYziUt08zVVsWpEMfWb1qyI3qSVQrj1Tneb3Kl9vbCgBNhdmNEL6G6Bgo/fG6QzROgs8z69CzSsiZJzfnPdWaAn7wK9a87p4qJs3crzycqU0eEw/C8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707235365; c=relaxed/simple; bh=fkU0LPKftaA7BihYZTIDQ6Vcd3L6sWgNc+unk7ZCQ0I=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Qmrge4dsZLcN/FXgade16TWewZio8rzEHXYb2sW3NdorhiMPxjZpTpn17VU+RDuLdBIWR5dIO/hRRyPGQ/BHyO0e0xlE62ylELqpeuC8f40hEngx7yU0zUWG+mJjcZcmgNW3mLokqYv53gc2RxEld/svtBoeQFdWM+cYGP25adc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=biS8pUCr; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="biS8pUCr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707235364; x=1738771364; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fkU0LPKftaA7BihYZTIDQ6Vcd3L6sWgNc+unk7ZCQ0I=; b=biS8pUCr6yXRT72fEyguH1BWh5OzBfZF7aHUpsy55hTnxwxuDfRvpOqI y1UF11vQs2oCqQ5AdyloFdQkVeDqs1JMeWnTVOQwRwZmBOuSRc/nh3fyS bEHcap2wcqusy8VBKmm9PgfpuJ35Mtd3bMgEpKvbEjLsiGGUigMO9Jqcf 7NYl0gmEY5wFwKR9OK3T/UHM9uYAnBZtU+/tpbg/URr+2GvtsJ8aoB1/O cT9BNcYCUp3g+n9ucnlD/n+LRitRiSZrReNcPlel4dY4Rfz1to/JpMbPZ lROvaInjSCZIuzSR9zgBCou2eBtSAUVWtul/L2O5cWJn6qulG3ZwN1WTa w==; X-IronPort-AV: E=McAfee;i="6600,9927,10976"; a="23252445" X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="23252445" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:44 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="1349850" Received: from unknown (HELO WEIS0040.iil.intel.com) ([10.12.217.108]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:42 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Shaul Triebitz Subject: [PATCH 09/11] wifi: iwlwifi: iwlmvm: handle unprotected deauth/disassoc in d3 Date: Tue, 6 Feb 2024 18:02:12 +0200 Message-Id: <20240206175739.fde438a22e3f.I3c8497520aaa95a22febff727b0ad08146965d47@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Shaul Triebitz In MFP, do not disconnect if an unprotected deauth or disassoc was received during D3. For that, need to configure wowlan with MFP (IS_11W_ASSOC). Now, in case of an unprotected deauth/disassoc, the wakeup reason returned by the firmware will be: IWL_WAKEUP_BY_11W_UNPROTECTED_DEAUTH_OR_DISASSOC (and not IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH which will cause a disconnection). Also, report this reason to cfg80211. In another patch, the driver will send an SA query. Signed-off-by: Shaul Triebitz Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index e1c77276557d..26c01d740d0d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -925,6 +925,9 @@ iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm, wowlan_config_cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | ENABLE_DHCP_FILTERING; + if (ap_sta->mfp) + wowlan_config_cmd->flags |= IS_11W_ASSOC; + if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_CONFIGURATION, 0) < 6) { /* Query the last used seqno and set it */ int ret = iwl_mvm_get_last_nonqos_seq(mvm, vif); @@ -1511,6 +1514,9 @@ static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm *mvm, if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET) wakeup.tcp_match = true; + if (reasons & IWL_WAKEUP_BY_11W_UNPROTECTED_DEAUTH_OR_DISASSOC) + wakeup.unprot_deauth_disassoc = true; 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06 Feb 2024 08:02:44 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Johannes Berg Subject: [PATCH 10/11] wifi: iwlwifi: mvm: move BA notif messages before action Date: Tue, 6 Feb 2024 18:02:13 +0200 Message-Id: <20240206175739.825245e0803f.Ic607c57f43eb7c7ff122ffee8f3994fd040d578f@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Johannes Berg This is always a bit confusing, the code first does all the reclaim (with its own debug messages), and _then_ prints it got a BA notification from firmware. Turn that around. Signed-off-by: Johannes Berg Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 3c887a8eebc0..dc3808e3c62e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -2211,6 +2211,12 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) tfd_cnt, pkt_len)) return; + IWL_DEBUG_TX_REPLY(mvm, + "BA_NOTIFICATION Received from sta_id = %d, flags %x, sent:%d, acked:%d\n", + sta_id, le32_to_cpu(ba_res->flags), + le16_to_cpu(ba_res->txed), + le16_to_cpu(ba_res->done)); + rcu_read_lock(); mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, sta_id); @@ -2246,12 +2252,6 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) iwl_mvm_tx_airtime(mvm, mvmsta, le32_to_cpu(ba_res->wireless_time)); rcu_read_unlock(); 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a="23252464" X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="23252464" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="1349861" Received: from unknown (HELO WEIS0040.iil.intel.com) ([10.12.217.108]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 08:02:46 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Johannes Berg Subject: [PATCH 11/11] wifi: iwlwifi: queue: improve warning for no skb in reclaim Date: Tue, 6 Feb 2024 18:02:14 +0200 Message-Id: <20240206175739.581427dc81fc.I9a109d02b4349807dce521c693ecd3516ec58cc0@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> References: <20240206160214.3260547-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Johannes Berg We've seen this warning trigger, and while the reason is probably obvious, I haven't been able to see it yet. Add more information to the warning message to help identify the cause. Also print out both index and SSN for all the messages. Signed-off-by: Johannes Berg Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/queue/tx.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/queue/tx.c b/drivers/net/wireless/intel/iwlwifi/queue/tx.c index ba0419bc1765..d3bde2d010b7 100644 --- a/drivers/net/wireless/intel/iwlwifi/queue/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/queue/tx.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2020-2023 Intel Corporation + * Copyright (C) 2020-2024 Intel Corporation */ #include #include @@ -1602,8 +1602,8 @@ void iwl_txq_reclaim(struct iwl_trans *trans, int txq_id, int ssn, if (read_ptr == tfd_num) goto out; - IWL_DEBUG_TX_REPLY(trans, "[Q %d] %d -> %d (%d)\n", - txq_id, txq->read_ptr, tfd_num, ssn); + IWL_DEBUG_TX_REPLY(trans, "[Q %d] %d (%d) -> %d (%d)\n", + txq_id, read_ptr, txq->read_ptr, tfd_num, ssn); /*Since we free until index _not_ inclusive, the one before index is * the last we will free. This one must be used */ @@ -1631,7 +1631,8 @@ void iwl_txq_reclaim(struct iwl_trans *trans, int txq_id, int ssn, read_ptr = iwl_txq_get_cmd_index(txq, txq->read_ptr)) { struct sk_buff *skb = txq->entries[read_ptr].skb; - if (WARN_ON_ONCE(!skb)) + if (WARN_ONCE(!skb, "no SKB at %d (%d) on queue %d\n", + read_ptr, txq->read_ptr, txq_id)) continue; iwl_txq_free_tso_page(trans, skb);