From patchwork Thu Jan 22 20:33:16 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emmanuel Grumbach X-Patchwork-Id: 5688081 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6C1C3C058D for ; Thu, 22 Jan 2015 20:34:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8749520251 for ; Thu, 22 Jan 2015 20:34:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F62B20265 for ; Thu, 22 Jan 2015 20:34:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754562AbbAVUe1 (ORCPT ); Thu, 22 Jan 2015 15:34:27 -0500 Received: from mga09.intel.com ([134.134.136.24]:11786 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754540AbbAVUeZ (ORCPT ); Thu, 22 Jan 2015 15:34:25 -0500 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP; 22 Jan 2015 12:31:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="443878289" Received: from ygoren-mobl1.ger.corp.intel.com (HELO egrumbacBox.ger.corp.intel.com) ([10.255.200.254]) by FMSMGA003.fm.intel.com with ESMTP; 22 Jan 2015 12:20:59 -0800 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Emmanuel Grumbach Subject: [PATCH 25/38] iwlwifi: mvm: add support for new LTR command Date: Thu, 22 Jan 2015 22:33:16 +0200 Message-Id: <1421958809-3371-25-git-send-email-emmanuel.grumbach@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1421958313.6424.2.camel@egrumbacBox> References: <1421958313.6424.2.camel@egrumbacBox> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This new command will give finer granularity to configure the platform. Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/iwl-fw-file.h | 2 ++ drivers/net/wireless/iwlwifi/mvm/fw-api-power.h | 20 ++++++++++++- drivers/net/wireless/iwlwifi/mvm/fw.c | 38 +++++++++++++++++++------ 3 files changed, 51 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/iwlwifi/iwl-fw-file.h index 4aa26b2..b998aaf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw-file.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw-file.h @@ -241,6 +241,7 @@ enum iwl_ucode_tlv_flag { * @IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF: ucode supports disabling dummy notif. * @IWL_UCODE_TLV_API_FRAGMENTED_SCAN: This ucode supports active dwell time * longer than the passive one, which is essential for fragmented scan. + * IWL_UCODE_TLV_API_HDC_PHASE_0: ucode supports finer configuration of LTR * @IWL_UCODE_TLV_API_BASIC_DWELL: use only basic dwell time in scan command, * regardless of the band or the number of the probes. FW will calculate * the actual dwell time. @@ -255,6 +256,7 @@ enum iwl_ucode_tlv_api { IWL_UCODE_TLV_API_LMAC_SCAN = BIT(6), IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF = BIT(7), IWL_UCODE_TLV_API_FRAGMENTED_SCAN = BIT(8), + IWL_UCODE_TLV_API_HDC_PHASE_0 = BIT(10), IWL_UCODE_TLV_API_BASIC_DWELL = BIT(13), IWL_UCODE_TLV_API_SCD_CFG = BIT(15), IWL_UCODE_TLV_API_SINGLE_SCAN_EBS = BIT(16), diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h index 4300200..4fc0938b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h @@ -92,14 +92,32 @@ enum iwl_ltr_config_flags { }; /** + * struct iwl_ltr_config_cmd_v1 - configures the LTR + * @flags: See %enum iwl_ltr_config_flags + */ +struct iwl_ltr_config_cmd_v1 { + __le32 flags; + __le32 static_long; + __le32 static_short; +} __packed; /* LTR_CAPABLE_API_S_VER_1 */ + +#define LTR_VALID_STATES_NUM 4 + +/** * struct iwl_ltr_config_cmd - configures the LTR * @flags: See %enum iwl_ltr_config_flags + * @static_long: + * @static_short: + * @ltr_cfg_values: + * @ltr_short_idle_timeout: */ struct iwl_ltr_config_cmd { __le32 flags; __le32 static_long; __le32 static_short; -} __packed; + __le32 ltr_cfg_values[LTR_VALID_STATES_NUM]; + __le32 ltr_short_idle_timeout; +} __packed; /* LTR_CAPABLE_API_S_VER_2 */ /* Radio LP RX Energy Threshold measured in dBm */ #define POWER_LPRX_RSSI_THRESHOLD 75 diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index 2e12f41..a322a5e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -499,6 +499,35 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf conf_id) return ret; } +static int iwl_mvm_config_ltr_v1(struct iwl_mvm *mvm) +{ + struct iwl_ltr_config_cmd_v1 cmd_v1 = { + .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), + }; + + if (!mvm->trans->ltr_enabled) + return 0; + + return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, + sizeof(cmd_v1), &cmd_v1); +} + +static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) +{ + struct iwl_ltr_config_cmd cmd = { + .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), + }; + + if (!mvm->trans->ltr_enabled) + return 0; + + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_HDC_PHASE_0)) + return iwl_mvm_config_ltr_v1(mvm); + + return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, + sizeof(cmd), &cmd); +} + int iwl_mvm_up(struct iwl_mvm *mvm) { int ret, i; @@ -604,14 +633,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) /* Initialize tx backoffs to the minimal possible */ iwl_mvm_tt_tx_backoff(mvm, 0); - if (mvm->trans->ltr_enabled) { - struct iwl_ltr_config_cmd cmd = { - .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), - }; - - WARN_ON(iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, - sizeof(cmd), &cmd)); - } + WARN_ON(iwl_mvm_config_ltr(mvm)); ret = iwl_mvm_power_update_device(mvm); if (ret)