From patchwork Tue Apr 23 08:50:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 10912309 X-Patchwork-Delegate: luca@coelho.fi Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2832B112C for ; Tue, 23 Apr 2019 08:50:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 19C36287FE for ; Tue, 23 Apr 2019 08:50:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0E2E3287EF; Tue, 23 Apr 2019 08:50:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 848AC28856 for ; Tue, 23 Apr 2019 08:50:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726874AbfDWIuX (ORCPT ); Tue, 23 Apr 2019 04:50:23 -0400 Received: from paleale.coelho.fi ([176.9.41.70]:42848 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726618AbfDWIuW (ORCPT ); Tue, 23 Apr 2019 04:50:22 -0400 Received: from 91-156-6-193.elisa-laajakaista.fi ([91.156.6.193] helo=redipa.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1hIr88-0000YC-31; Tue, 23 Apr 2019 11:50:20 +0300 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Johannes Berg , Luca Coelho Subject: [PATCH 3/8] iwlwifi: parse command version TLV Date: Tue, 23 Apr 2019 11:50:09 +0300 Message-Id: <20190423085014.15390-4-luca@coelho.fi> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190423085014.15390-1-luca@coelho.fi> References: <20190423085014.15390-1-luca@coelho.fi> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Johannes Berg In newer firmware images there's a command version TLV that states, for each listed command or notification, which version of the command and/or notification structure is used. Read and keep this data to be able to use it in the future. Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/file.h | 17 +++++++++++++++++ drivers/net/wireless/intel/iwlwifi/fw/img.h | 7 +++++-- drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 18 ++++++++++++++++++ 3 files changed, 40 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index 2faec36f3d76..b0671e16e1ce 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -142,6 +142,7 @@ enum iwl_ucode_tlv_type { IWL_UCODE_TLV_FW_DBG_DEST = 38, IWL_UCODE_TLV_FW_DBG_CONF = 39, IWL_UCODE_TLV_FW_DBG_TRIGGER = 40, + IWL_UCODE_TLV_CMD_VERSIONS = 48, IWL_UCODE_TLV_FW_GSCAN_CAPA = 50, IWL_UCODE_TLV_FW_MEM_SEG = 51, IWL_UCODE_TLV_IML = 52, @@ -943,4 +944,20 @@ struct iwl_fw_dbg_conf_tlv { struct iwl_fw_dbg_conf_hcmd hcmd; } __packed; +#define IWL_FW_CMD_VER_UNKNOWN 99 + +/** + * struct iwl_fw_cmd_version - firmware command version entry + * @cmd: command ID + * @group: group ID + * @cmd_ver: command version + * @notif_ver: notification version + */ +struct iwl_fw_cmd_version { + u8 cmd; + u8 group; + u8 cmd_ver; + u8 notif_ver; +} __packed; + #endif /* __iwl_fw_file_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/img.h b/drivers/net/wireless/intel/iwlwifi/fw/img.h index f4c5a4d73206..18ca5f152be6 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/img.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/img.h @@ -8,7 +8,7 @@ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -31,7 +31,7 @@ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -109,6 +109,9 @@ struct iwl_ucode_capabilities { u32 error_log_size; unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)]; unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)]; + + const struct iwl_fw_cmd_version *cmd_versions; + u32 n_cmd_versions; }; static inline bool diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 1ad739bace0f..852d3cbfc719 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -179,6 +179,7 @@ static void iwl_dealloc_ucode(struct iwl_drv *drv) kfree(drv->fw.dbg.trigger_tlv[i]); kfree(drv->fw.dbg.mem_tlv); kfree(drv->fw.iml); + kfree(drv->fw.ucode_capa.cmd_versions); for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) iwl_free_fw_img(drv, drv->fw.img + i); @@ -1144,6 +1145,23 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, if (iwlwifi_mod_params.enable_ini) iwl_fw_dbg_copy_tlv(drv->trans, tlv, false); break; + case IWL_UCODE_TLV_CMD_VERSIONS: + if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { + IWL_ERR(drv, + "Invalid length for command versions: %u\n", + tlv_len); + tlv_len /= sizeof(struct iwl_fw_cmd_version); + tlv_len *= sizeof(struct iwl_fw_cmd_version); + } + if (WARN_ON(capa->cmd_versions)) + return -EINVAL; + capa->cmd_versions = kmemdup(tlv_data, tlv_len, + GFP_KERNEL); + if (!capa->cmd_versions) + return -ENOMEM; + capa->n_cmd_versions = + tlv_len / sizeof(struct iwl_fw_cmd_version); + break; default: IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); break;