From patchwork Fri Mar 1 05:03:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 1049966 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 449clw0ZwFz9s47 for ; Fri, 1 Mar 2019 16:04:28 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728042AbfCAFE0 (ORCPT ); Fri, 1 Mar 2019 00:04:26 -0500 Received: from mga09.intel.com ([134.134.136.24]:42692 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727199AbfCAFEC (ORCPT ); Fri, 1 Mar 2019 00:04:02 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Feb 2019 21:04:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,426,1544515200"; d="scan'208";a="128139026" Received: from jtkirshe-desk1.jf.intel.com ([134.134.177.96]) by fmsmga008.fm.intel.com with ESMTP; 28 Feb 2019 21:04:01 -0800 From: Jeff Kirsher To: davem@davemloft.net Cc: Chinh T Cao , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, Andrew Bowers , Jeff Kirsher Subject: [net-next 06/12] i40e: Update i40e_init_dcb to return correct error Date: Thu, 28 Feb 2019 21:03:46 -0800 Message-Id: <20190301050352.14978-7-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190301050352.14978-1-jeffrey.t.kirsher@intel.com> References: <20190301050352.14978-1-jeffrey.t.kirsher@intel.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Chinh T Cao Modify the i40e_init_dcb to return the correct error when LLDP or DCBX is not in operational state. Signed-off-by: Chinh T Cao Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_dcb.c | 28 ++++++++------------- drivers/net/ethernet/intel/i40e/i40e_dcb.h | 2 +- drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +- 3 files changed, 13 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.c b/drivers/net/ethernet/intel/i40e/i40e_dcb.c index 56bff8faf371..292eeb3def10 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_dcb.c +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.c @@ -863,22 +863,23 @@ i40e_status i40e_get_dcb_config(struct i40e_hw *hw) /** * i40e_init_dcb * @hw: pointer to the hw struct + * @enable_mib_change: enable mib change event * * Update DCB configuration from the Firmware **/ -i40e_status i40e_init_dcb(struct i40e_hw *hw) +i40e_status i40e_init_dcb(struct i40e_hw *hw, bool enable_mib_change) { i40e_status ret = 0; struct i40e_lldp_variables lldp_cfg; u8 adminstatus = 0; if (!hw->func_caps.dcb) - return ret; + return I40E_NOT_SUPPORTED; /* Read LLDP NVM area */ ret = i40e_read_lldp_cfg(hw, &lldp_cfg); if (ret) - return ret; + return I40E_ERR_NOT_READY; /* Get the LLDP AdminStatus for the current port */ adminstatus = lldp_cfg.adminstatus >> (hw->port * 4); @@ -887,7 +888,7 @@ i40e_status i40e_init_dcb(struct i40e_hw *hw) /* LLDP agent disabled */ if (!adminstatus) { hw->dcbx_status = I40E_DCBX_STATUS_DISABLED; - return ret; + return I40E_ERR_NOT_READY; } /* Get DCBX status */ @@ -896,26 +897,19 @@ i40e_status i40e_init_dcb(struct i40e_hw *hw) return ret; /* Check the DCBX Status */ - switch (hw->dcbx_status) { - case I40E_DCBX_STATUS_DONE: - case I40E_DCBX_STATUS_IN_PROGRESS: + if (hw->dcbx_status == I40E_DCBX_STATUS_DONE || + hw->dcbx_status == I40E_DCBX_STATUS_IN_PROGRESS) { /* Get current DCBX configuration */ ret = i40e_get_dcb_config(hw); if (ret) return ret; - break; - case I40E_DCBX_STATUS_DISABLED: - return ret; - case I40E_DCBX_STATUS_NOT_STARTED: - case I40E_DCBX_STATUS_MULTIPLE_PEERS: - default: - break; + } else if (hw->dcbx_status == I40E_DCBX_STATUS_DISABLED) { + return I40E_ERR_NOT_READY; } /* Configure the LLDP MIB change event */ - ret = i40e_aq_cfg_lldp_mib_change_event(hw, true, NULL); - if (ret) - return ret; + if (enable_mib_change) + ret = i40e_aq_cfg_lldp_mib_change_event(hw, true, NULL); return ret; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.h b/drivers/net/ethernet/intel/i40e/i40e_dcb.h index 2b748a60a843..ddb48ae7cce4 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_dcb.h +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.h @@ -124,5 +124,5 @@ i40e_status i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type, u8 bridgetype, struct i40e_dcbx_config *dcbcfg); i40e_status i40e_get_dcb_config(struct i40e_hw *hw); -i40e_status i40e_init_dcb(struct i40e_hw *hw); +i40e_status i40e_init_dcb(struct i40e_hw *hw, bool enable_mib_change); #endif /* _I40E_DCB_H_ */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index de7a92197668..8dd943d396de 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -6391,7 +6391,7 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf) goto out; /* Get the initial DCB configuration */ - err = i40e_init_dcb(hw); + err = i40e_init_dcb(hw, true); if (!err) { /* Device/Function is not DCBX capable */ if ((!hw->func_caps.dcb) ||