From patchwork Thu Dec 12 15:21:19 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaolong Ye X-Patchwork-Id: 63823 X-Patchwork-Delegate: xiaolong.ye@intel.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id BB31BA04F5; Thu, 12 Dec 2019 16:33:34 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 4876C1C026; Thu, 12 Dec 2019 16:29:11 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 1CB641BFB3 for ; Thu, 12 Dec 2019 16:28:33 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Dec 2019 07:28:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,306,1571727600"; d="scan'208";a="216148424" Received: from dpdk_yexl_af_xdp.sh.intel.com ([10.67.119.186]) by orsmga006.jf.intel.com with ESMTP; 12 Dec 2019 07:28:32 -0800 From: Xiaolong Ye To: Beilei Xing , Qi Zhang Cc: dev@dpdk.org, Xiaolong Ye Date: Thu, 12 Dec 2019 23:21:19 +0800 Message-Id: <20191212152124.260629-32-xiaolong.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191212152124.260629-1-xiaolong.ye@intel.com> References: <20191202074935.97629-1-xiaolong.ye@intel.com> <20191212152124.260629-1-xiaolong.ye@intel.com> Subject: [dpdk-dev] [PATCH v2 31/36] net/i40e/base: implement reading lpi statistics X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" There was no time duration statistics for LPI (Low Power Idle) in EEE (Energy-Efficient Ethernet). Added new procedure to get duration values from FW. Otherwise there is no available procedure to get tx_lpi_duration and rx_lpi_duration values. Signed-off-by: Xiaolong Ye --- drivers/net/i40e/base/i40e_common.c | 56 ++++++++++++++++++++++++++ drivers/net/i40e/base/i40e_prototype.h | 3 ++ drivers/net/i40e/base/i40e_type.h | 2 + 3 files changed, 61 insertions(+) diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c index 8144d957e..d90012fd7 100644 --- a/drivers/net/i40e/base/i40e_common.c +++ b/drivers/net/i40e/base/i40e_common.c @@ -7083,6 +7083,62 @@ enum i40e_status_code i40e_get_lpi_counters(struct i40e_hw *hw, return I40E_SUCCESS; } +/** + * i40e_get_lpi_duration - read LPI time duration from EEE statistics + * @hw: pointer to the hw struct + * @stat: pointer to structure with status of rx and tx lpi + * @tx_duration: pointer to memory for TX LPI time duration + * @rx_duration: pointer to memory for RX LPI time duration + * + * Read Low Power Idle (LPI) mode time duration from Energy Efficient + * Ethernet (EEE) statistics. + */ +enum i40e_status_code i40e_get_lpi_duration(struct i40e_hw *hw, + struct i40e_hw_port_stats *stat, + u64 *tx_duration, u64 *rx_duration) +{ + u32 tx_time_dur, rx_time_dur; + enum i40e_status_code retval; + u32 cmd_status; + + if (hw->device_id != I40E_DEV_ID_10G_BASE_T_BC) + return I40E_ERR_NOT_IMPLEMENTED; + + retval = i40e_aq_run_phy_activity + (hw, I40E_AQ_RUN_PHY_ACT_ID_USR_DFND, + I40E_AQ_RUN_PHY_ACT_DNL_OPCODE_GET_EEE_DUR, + &cmd_status, &tx_time_dur, &rx_time_dur, NULL); + + if (retval) + return retval; + if ((cmd_status & I40E_AQ_RUN_PHY_ACT_CMD_STAT_MASK) != + I40E_AQ_RUN_PHY_ACT_CMD_STAT_SUCC) + return I40E_ERR_ADMIN_QUEUE_ERROR; + + if (hw->phy.link_info.link_speed == I40E_LINK_SPEED_1GB && + !tx_time_dur && !rx_time_dur && + stat->tx_lpi_status && stat->rx_lpi_status) { + retval = i40e_aq_run_phy_activity + (hw, I40E_AQ_RUN_PHY_ACT_ID_USR_DFND, + I40E_AQ_RUN_PHY_ACT_DNL_OPCODE_GET_EEE_STAT_DUR, + &cmd_status, + &tx_time_dur, &rx_time_dur, NULL); + + if (retval) + return retval; + if ((cmd_status & I40E_AQ_RUN_PHY_ACT_CMD_STAT_MASK) != + I40E_AQ_RUN_PHY_ACT_CMD_STAT_SUCC) + return I40E_ERR_ADMIN_QUEUE_ERROR; + tx_time_dur = 0; + rx_time_dur = 0; + } + + *tx_duration = tx_time_dur; + *rx_duration = rx_time_dur; + + return retval; +} + /** * i40e_lpi_stat_update - update LPI counters with values relative to offset * @hw: pointer to the hw struct diff --git a/drivers/net/i40e/base/i40e_prototype.h b/drivers/net/i40e/base/i40e_prototype.h index 2b6198985..0d1adb689 100644 --- a/drivers/net/i40e/base/i40e_prototype.h +++ b/drivers/net/i40e/base/i40e_prototype.h @@ -82,6 +82,9 @@ enum i40e_status_code i40e_lpi_stat_update(struct i40e_hw *hw, bool offset_loaded, u64 *tx_offset, u64 *tx_stat, u64 *rx_offset, u64 *rx_stat); +enum i40e_status_code i40e_get_lpi_duration(struct i40e_hw *hw, + struct i40e_hw_port_stats *stat, + u64 *tx_duration, u64 *rx_duration); /* admin send queue commands */ enum i40e_status_code i40e_aq_get_firmware_version(struct i40e_hw *hw, diff --git a/drivers/net/i40e/base/i40e_type.h b/drivers/net/i40e/base/i40e_type.h index d20b0fe20..af9089829 100644 --- a/drivers/net/i40e/base/i40e_type.h +++ b/drivers/net/i40e/base/i40e_type.h @@ -1498,6 +1498,8 @@ struct i40e_hw_port_stats { u32 rx_lpi_status; u64 tx_lpi_count; /* etlpic */ u64 rx_lpi_count; /* erlpic */ + u64 tx_lpi_duration; + u64 rx_lpi_duration; }; /* Checksum and Shadow RAM pointers */