From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7A8EAA04F0; Mon, 13 Jan 2020 03:48:57 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id ECAD51D5D1; Mon, 13 Jan 2020 03:47:35 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 5D52D1D5A1 for ; Mon, 13 Jan 2020 03:47:17 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Jan 2020 18:47:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,427,1571727600"; d="scan'208";a="272916343" Received: from dpdk_yexl_af_xdp.sh.intel.com ([10.67.119.206]) by FMSMGA003.fm.intel.com with ESMTP; 12 Jan 2020 18:47:16 -0800 From: Xiaolong Ye To: Beilei Xing , Qi Zhang Cc: dev@dpdk.org, Xiaolong Ye , Piotr Pietruszewski Date: Mon, 13 Jan 2020 10:39:24 +0800 Message-Id: <20200113023949.26718-13-xiaolong.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200113023949.26718-1-xiaolong.ye@intel.com> References: <20191202074935.97629-1-xiaolong.ye@intel.com> <20200113023949.26718-1-xiaolong.ye@intel.com> Subject: [dpdk-dev] [PATCH v4 12/36] net/i40e/base: add support for Energy Efficient Ethernet 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" This change adds i40e_enable_eee() function controlling advertisement of Energy Efficient Ethernet mode (EEE). Signed-off-by: Piotr Pietruszewski Signed-off-by: Xiaolong Ye --- drivers/net/i40e/base/i40e_common.c | 64 ++++++++++++++++++++++++++ drivers/net/i40e/base/i40e_prototype.h | 1 + 2 files changed, 65 insertions(+) diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c index 4384a0795..c2e7cf7d5 100644 --- a/drivers/net/i40e/base/i40e_common.c +++ b/drivers/net/i40e/base/i40e_common.c @@ -6306,6 +6306,70 @@ enum i40e_status_code i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id, return status; } + +/** + * i40e_enable_eee + * @hw: pointer to the hardware structure + * @enable: state of Energy Efficient Ethernet mode to be set + * + * Enables or disables Energy Efficient Ethernet (EEE) mode + * accordingly to @enable parameter. + **/ +enum i40e_status_code i40e_enable_eee(struct i40e_hw *hw, bool enable) +{ + struct i40e_aq_get_phy_abilities_resp abilities; + struct i40e_aq_set_phy_config config; + enum i40e_status_code status; + __le16 eee_capability; + + /* Get initial PHY capabilities */ + status = i40e_aq_get_phy_capabilities(hw, false, true, &abilities, + NULL); + if (status) + goto err; + + /* Check whether NIC configuration is compatible with Energy Efficient + * Ethernet (EEE) mode. + */ + if (abilities.eee_capability == 0) { + status = I40E_ERR_CONFIG; + goto err; + } + + /* Cache initial EEE capability */ + eee_capability = abilities.eee_capability; + + /* Get current configuration */ + status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, + NULL); + if (status) + goto err; + + /* Cache current configuration */ + config.phy_type = abilities.phy_type; + config.link_speed = abilities.link_speed; + config.abilities = abilities.abilities | + I40E_AQ_PHY_ENABLE_ATOMIC_LINK; + config.eeer = abilities.eeer_val; + config.low_power_ctrl = abilities.d3_lpan; + config.fec_config = abilities.fec_cfg_curr_mod_ext_info & + I40E_AQ_PHY_FEC_CONFIG_MASK; + + /* Set desired EEE state */ + if (enable) { + config.eee_capability = eee_capability; + config.eeer |= I40E_PRTPM_EEER_TX_LPI_EN_MASK; + } else { + config.eee_capability = 0; + config.eeer &= ~I40E_PRTPM_EEER_TX_LPI_EN_MASK; + } + + /* Save modified config */ + status = i40e_aq_set_phy_config(hw, &config, NULL); +err: + return status; +} + /** * i40e_read_bw_from_alt_ram * @hw: pointer to the hardware structure diff --git a/drivers/net/i40e/base/i40e_prototype.h b/drivers/net/i40e/base/i40e_prototype.h index 2f3e0bfee..38beb270b 100644 --- a/drivers/net/i40e/base/i40e_prototype.h +++ b/drivers/net/i40e/base/i40e_prototype.h @@ -458,6 +458,7 @@ void i40e_nvmupd_check_wait_event(struct i40e_hw *hw, u16 opcode, void i40e_nvmupd_clear_wait_state(struct i40e_hw *hw); void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status); #endif /* PF_DRIVER */ +enum i40e_status_code i40e_enable_eee(struct i40e_hw *hw, bool enable); #if defined(I40E_QV) || defined(VF_DRIVER) enum i40e_status_code i40e_set_mac_type(struct i40e_hw *hw); -- 2.17.1