From patchwork Mon Oct 2 19:48:38 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820647 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xml2v6Cz9t3F for ; Tue, 3 Oct 2017 06:49:27 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751710AbdJBTtX (ORCPT ); Mon, 2 Oct 2017 15:49:23 -0400 Received: from mga14.intel.com ([192.55.52.115]:29126 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751062AbdJBTtR (ORCPT ); Mon, 2 Oct 2017 15:49:17 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 12:49:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878231" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:11 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Shannon Nelson , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 01/15] i40e: limit lan queue count in large CPU count machine Date: Mon, 2 Oct 2017 12:48:38 -0700 Message-Id: <20171002194852.71970-2-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Shannon Nelson When a machine has more CPUs than queue pairs, e.g. 512 cores, the counting gets a little funky and turns off Flow Director with the message: not enough queues for Flow Director. Flow Director feature is disabled This patch limits the number of lan queues initially allocated to be sure we have some left for FD and other features. Signed-off-by: Shannon Nelson Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_main.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 47f71d7c3ae0..387f0863f794 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11093,6 +11093,7 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit) static void i40e_determine_queue_usage(struct i40e_pf *pf) { int queues_left; + int q_max; pf->num_lan_qps = 0; @@ -11139,10 +11140,12 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) I40E_FLAG_DCB_ENABLED); dev_info(&pf->pdev->dev, "not enough queues for DCB. DCB is disabled.\n"); } - pf->num_lan_qps = max_t(int, pf->rss_size_max, - num_online_cpus()); - pf->num_lan_qps = min_t(int, pf->num_lan_qps, - pf->hw.func_caps.num_tx_qp); + + /* limit lan qps to the smaller of qps, cpus or msix */ + q_max = max_t(int, pf->rss_size_max, num_online_cpus()); + q_max = min_t(int, q_max, pf->hw.func_caps.num_tx_qp); + q_max = min_t(int, q_max, pf->hw.func_caps.num_msix_vectors); + pf->num_lan_qps = q_max; queues_left -= pf->num_lan_qps; } From patchwork Mon Oct 2 19:48:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820656 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5XnT19V1z9t2Z for ; Tue, 3 Oct 2017 06:50:05 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751560AbdJBTtU (ORCPT ); Mon, 2 Oct 2017 15:49:20 -0400 Received: from mga14.intel.com ([192.55.52.115]:29126 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751460AbdJBTtS (ORCPT ); Mon, 2 Oct 2017 15:49:18 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 12:49:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878234" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:11 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Lihong Yang , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 02/15] i40e: remove logically dead code Date: Mon, 2 Oct 2017 12:48:39 -0700 Message-Id: <20171002194852.71970-3-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Lihong Yang This patch removes the !vf condition check that cannot be true in i40e_ndo_set_vf_trust function Detected by CoverityScan, CID 1397531 Logically dead code Signed-off-by: Lihong Yang Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index a75396c157d9..e6b95e1e1a33 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -3354,8 +3354,6 @@ int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting) vf = &pf->vf[vf_id]; - if (!vf) - return -EINVAL; if (setting == vf->trusted) goto out; From patchwork Mon Oct 2 19:48:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820650 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xmx18Ztz9s06 for ; Tue, 3 Oct 2017 06:49:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751784AbdJBTta (ORCPT ); Mon, 2 Oct 2017 15:49:30 -0400 Received: from mga05.intel.com ([192.55.52.43]:39749 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751692AbdJBTtW (ORCPT ); Mon, 2 Oct 2017 15:49:22 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878237" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:11 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Christophe JAILLET , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 03/15] i40e: Fix a potential NULL pointer dereference Date: Mon, 2 Oct 2017 12:48:40 -0700 Message-Id: <20171002194852.71970-4-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Christophe JAILLET If 'kzalloc()' fails, a NULL pointer will be dereferenced. Return an error code (-ENOMEM) instead. Signed-off-by: Christophe JAILLET Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index e6b95e1e1a33..9e3667fc7f6a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -423,6 +423,9 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, (sizeof(struct virtchnl_iwarp_qv_info) * (qvlist_info->num_vectors - 1)); vf->qvlist_info = kzalloc(size, GFP_KERNEL); + if (!vf->qvlist_info) + return -ENOMEM; + vf->qvlist_info->num_vectors = qvlist_info->num_vectors; msix_vf = pf->hw.func_caps.num_msix_vectors_vf; From patchwork Mon Oct 2 19:48:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820661 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xnv0LNgz9t2Z for ; Tue, 3 Oct 2017 06:50:27 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752036AbdJBTuV (ORCPT ); Mon, 2 Oct 2017 15:50:21 -0400 Received: from mga14.intel.com ([192.55.52.115]:8038 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751505AbdJBTtT (ORCPT ); Mon, 2 Oct 2017 15:49:19 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 12:49:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878240" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:11 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Filip Sadowski , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 04/15] i40e: Fix reporting of supported link modes Date: Mon, 2 Oct 2017 12:48:41 -0700 Message-Id: <20171002194852.71970-5-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Filip Sadowski This patch fixes incorrect reporting of supported link modes on some NICs. Signed-off-by: Filip Sadowski Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h | 20 ++++++++++++++++++-- drivers/net/ethernet/intel/i40e/i40e_common.c | 11 ++++++++++- drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h | 20 ++++++++++++++++++-- 3 files changed, 46 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h index e2a9ec80a623..5d0291c1337e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h @@ -1734,6 +1734,8 @@ enum i40e_aq_phy_type { I40E_PHY_TYPE_10GBASE_CR1_CU = 0xB, I40E_PHY_TYPE_10GBASE_AOC = 0xC, I40E_PHY_TYPE_40GBASE_AOC = 0xD, + I40E_PHY_TYPE_UNRECOGNIZED = 0xE, + I40E_PHY_TYPE_UNSUPPORTED = 0xF, I40E_PHY_TYPE_100BASE_TX = 0x11, I40E_PHY_TYPE_1000BASE_T = 0x12, I40E_PHY_TYPE_10GBASE_T = 0x13, @@ -1752,6 +1754,8 @@ enum i40e_aq_phy_type { I40E_PHY_TYPE_25GBASE_CR = 0x20, I40E_PHY_TYPE_25GBASE_SR = 0x21, I40E_PHY_TYPE_25GBASE_LR = 0x22, + I40E_PHY_TYPE_EMPTY = 0xFE, + I40E_PHY_TYPE_DEFAULT = 0xFF, I40E_PHY_TYPE_MAX }; @@ -1942,19 +1946,31 @@ struct i40e_aqc_get_link_status { #define I40E_AQ_25G_SERDES_UCODE_ERR 0X04 #define I40E_AQ_25G_NIMB_UCODE_ERR 0X05 u8 loopback; /* use defines from i40e_aqc_set_lb_mode */ +/* Since firmware API 1.7 loopback field keeps power class info as well */ +#define I40E_AQ_LOOPBACK_MASK 0x07 +#define I40E_AQ_PWR_CLASS_SHIFT_LB 6 +#define I40E_AQ_PWR_CLASS_MASK_LB (0x03 << I40E_AQ_PWR_CLASS_SHIFT_LB) __le16 max_frame_size; u8 config; #define I40E_AQ_CONFIG_FEC_KR_ENA 0x01 #define I40E_AQ_CONFIG_FEC_RS_ENA 0x02 #define I40E_AQ_CONFIG_CRC_ENA 0x04 #define I40E_AQ_CONFIG_PACING_MASK 0x78 - u8 power_desc; + union { + struct { + u8 power_desc; #define I40E_AQ_LINK_POWER_CLASS_1 0x00 #define I40E_AQ_LINK_POWER_CLASS_2 0x01 #define I40E_AQ_LINK_POWER_CLASS_3 0x02 #define I40E_AQ_LINK_POWER_CLASS_4 0x03 #define I40E_AQ_PWR_CLASS_MASK 0x03 - u8 reserved[4]; + u8 reserved[4]; + }; + struct { + u8 link_type[4]; + u8 link_type_ext; + }; + }; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_get_link_status); diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index 7346d8850c8e..64c15f4c9d2b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -1821,7 +1821,7 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw, hw_link_info->fec_info = resp->config & (I40E_AQ_CONFIG_FEC_KR_ENA | I40E_AQ_CONFIG_FEC_RS_ENA); hw_link_info->ext_info = resp->ext_info; - hw_link_info->loopback = resp->loopback; + hw_link_info->loopback = resp->loopback & I40E_AQ_LOOPBACK_MASK; hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size); hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK; @@ -1852,6 +1852,15 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw, hw->aq.fw_min_ver < 40)) && hw_link_info->phy_type == 0xE) hw_link_info->phy_type = I40E_PHY_TYPE_10GBASE_SFPP_CU; + if (hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR && + hw->aq.api_min_ver >= 7) { + __le32 tmp; + + memcpy(&tmp, resp->link_type, sizeof(tmp)); + hw->phy.phy_types = le32_to_cpu(tmp); + hw->phy.phy_types |= ((u64)resp->link_type_ext << 32); + } + /* save link status information */ if (link) *link = *hw_link_info; diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h index f9f48d1900b0..709d114fc305 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h @@ -1730,6 +1730,8 @@ enum i40e_aq_phy_type { I40E_PHY_TYPE_10GBASE_CR1_CU = 0xB, I40E_PHY_TYPE_10GBASE_AOC = 0xC, I40E_PHY_TYPE_40GBASE_AOC = 0xD, + I40E_PHY_TYPE_UNRECOGNIZED = 0xE, + I40E_PHY_TYPE_UNSUPPORTED = 0xF, I40E_PHY_TYPE_100BASE_TX = 0x11, I40E_PHY_TYPE_1000BASE_T = 0x12, I40E_PHY_TYPE_10GBASE_T = 0x13, @@ -1748,6 +1750,8 @@ enum i40e_aq_phy_type { I40E_PHY_TYPE_25GBASE_CR = 0x20, I40E_PHY_TYPE_25GBASE_SR = 0x21, I40E_PHY_TYPE_25GBASE_LR = 0x22, + I40E_PHY_TYPE_EMPTY = 0xFE, + I40E_PHY_TYPE_DEFAULT = 0xFF, I40E_PHY_TYPE_MAX }; @@ -1938,19 +1942,31 @@ struct i40e_aqc_get_link_status { #define I40E_AQ_25G_SERDES_UCODE_ERR 0X04 #define I40E_AQ_25G_NIMB_UCODE_ERR 0X05 u8 loopback; /* use defines from i40e_aqc_set_lb_mode */ +/* Since firmware API 1.7 loopback field keeps power class info as well */ +#define I40E_AQ_LOOPBACK_MASK 0x07 +#define I40E_AQ_PWR_CLASS_SHIFT_LB 6 +#define I40E_AQ_PWR_CLASS_MASK_LB (0x03 << I40E_AQ_PWR_CLASS_SHIFT_LB) __le16 max_frame_size; u8 config; #define I40E_AQ_CONFIG_FEC_KR_ENA 0x01 #define I40E_AQ_CONFIG_FEC_RS_ENA 0x02 #define I40E_AQ_CONFIG_CRC_ENA 0x04 #define I40E_AQ_CONFIG_PACING_MASK 0x78 - u8 power_desc; + union { + struct { + u8 power_desc; #define I40E_AQ_LINK_POWER_CLASS_1 0x00 #define I40E_AQ_LINK_POWER_CLASS_2 0x01 #define I40E_AQ_LINK_POWER_CLASS_3 0x02 #define I40E_AQ_LINK_POWER_CLASS_4 0x03 #define I40E_AQ_PWR_CLASS_MASK 0x03 - u8 reserved[4]; + u8 reserved[4]; + }; + struct { + u8 link_type[4]; + u8 link_type_ext; + }; + }; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_get_link_status); From patchwork Mon Oct 2 19:48:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820651 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xn42dJYz9t2Z for ; Tue, 3 Oct 2017 06:49:44 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751667AbdJBTtV (ORCPT ); Mon, 2 Oct 2017 15:49:21 -0400 Received: from mga05.intel.com ([192.55.52.43]:39749 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751102AbdJBTtS (ORCPT ); Mon, 2 Oct 2017 15:49:18 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP; 02 Oct 2017 12:49:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878243" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:11 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Filip Sadowski , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 05/15] i40e: Add support for 'ethtool -m' Date: Mon, 2 Oct 2017 12:48:42 -0700 Message-Id: <20171002194852.71970-6-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Filip Sadowski This patch adds support for 'ethtool -m' command which displays information about (Q)SFP+ module plugged into NIC's cage. Signed-off-by: Filip Sadowski Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h | 18 +++ drivers/net/ethernet/intel/i40e/i40e_common.c | 69 +++++++++ drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 154 +++++++++++++++++++++ drivers/net/ethernet/intel/i40e/i40e_prototype.h | 9 ++ drivers/net/ethernet/intel/i40e/i40e_type.h | 13 ++ .../net/ethernet/intel/i40evf/i40e_adminq_cmd.h | 18 +++ drivers/net/ethernet/intel/i40evf/i40e_common.c | 69 +++++++++ drivers/net/ethernet/intel/i40evf/i40e_prototype.h | 9 ++ drivers/net/ethernet/intel/i40evf/i40e_type.h | 12 ++ 9 files changed, 371 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h index 5d0291c1337e..ed7bbe14bc6e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h @@ -244,6 +244,8 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_set_phy_debug = 0x0622, i40e_aqc_opc_upload_ext_phy_fm = 0x0625, i40e_aqc_opc_run_phy_activity = 0x0626, + i40e_aqc_opc_set_phy_register = 0x0628, + i40e_aqc_opc_get_phy_register = 0x0629, /* NVM commands */ i40e_aqc_opc_nvm_read = 0x0701, @@ -2053,6 +2055,22 @@ struct i40e_aqc_run_phy_activity { I40E_CHECK_CMD_LENGTH(i40e_aqc_run_phy_activity); +/* Set PHY Register command (0x0628) */ +/* Get PHY Register command (0x0629) */ +struct i40e_aqc_phy_register_access { + u8 phy_interface; +#define I40E_AQ_PHY_REG_ACCESS_INTERNAL 0 +#define I40E_AQ_PHY_REG_ACCESS_EXTERNAL 1 +#define I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE 2 + u8 dev_address; + u8 reserved1[2]; + __le32 reg_address; + __le32 reg_value; + u8 reserved2[4]; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_phy_register_access); + /* NVM Read command (indirect 0x0701) * NVM Erase commands (direct 0x0702) * NVM Update commands (indirect 0x0703) diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index 64c15f4c9d2b..fada03799850 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -5062,6 +5062,75 @@ void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val) wr32(hw, reg_addr, reg_val); } +/** + * i40e_aq_set_phy_register + * @hw: pointer to the hw struct + * @phy_select: select which phy should be accessed + * @dev_addr: PHY device address + * @reg_addr: PHY register address + * @reg_val: new register value + * @cmd_details: pointer to command details structure or NULL + * + * Write the external PHY register. + **/ +i40e_status i40e_aq_set_phy_register(struct i40e_hw *hw, + u8 phy_select, u8 dev_addr, + u32 reg_addr, u32 reg_val, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_phy_register_access *cmd = + (struct i40e_aqc_phy_register_access *)&desc.params.raw; + i40e_status status; + + i40e_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_set_phy_register); + + cmd->phy_interface = phy_select; + cmd->dev_address = dev_addr; + cmd->reg_address = cpu_to_le32(reg_addr); + cmd->reg_value = cpu_to_le32(reg_val); + + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + return status; +} + +/** + * i40e_aq_get_phy_register + * @hw: pointer to the hw struct + * @phy_select: select which phy should be accessed + * @dev_addr: PHY device address + * @reg_addr: PHY register address + * @reg_val: read register value + * @cmd_details: pointer to command details structure or NULL + * + * Read the external PHY register. + **/ +i40e_status i40e_aq_get_phy_register(struct i40e_hw *hw, + u8 phy_select, u8 dev_addr, + u32 reg_addr, u32 *reg_val, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_phy_register_access *cmd = + (struct i40e_aqc_phy_register_access *)&desc.params.raw; + i40e_status status; + + i40e_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_get_phy_register); + + cmd->phy_interface = phy_select; + cmd->dev_address = dev_addr; + cmd->reg_address = cpu_to_le32(reg_addr); + + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + if (!status) + *reg_val = le32_to_cpu(cmd->reg_value); + + return status; +} + /** * i40e_aq_write_ppp - Write pipeline personalization profile (ppp) * @hw: pointer to the hw struct diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 05e89864f781..1136d02e2e95 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -4196,6 +4196,158 @@ static int i40e_set_priv_flags(struct net_device *dev, u32 flags) return 0; } +/** + * i40e_get_module_info - get (Q)SFP+ module type info + * @netdev: network interface device structure + * @modinfo: module EEPROM size and layout information structure + **/ +static int i40e_get_module_info(struct net_device *netdev, + struct ethtool_modinfo *modinfo) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + struct i40e_hw *hw = &pf->hw; + u32 sff8472_comp = 0; + u32 sff8472_swap = 0; + u32 sff8636_rev = 0; + i40e_status status; + u32 type = 0; + + /* Check if firmware supports reading module EEPROM. */ + if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE)) { + netdev_err(vsi->netdev, "Module EEPROM memory read not supported. Please update the NVM image.\n"); + return -EINVAL; + } + + status = i40e_update_link_info(hw); + if (status) + return -EIO; + + if (hw->phy.link_info.phy_type == I40E_PHY_TYPE_EMPTY) { + netdev_err(vsi->netdev, "Cannot read module EEPROM memory. No module connected.\n"); + return -EINVAL; + } + + type = hw->phy.link_info.module_type[0]; + + switch (type) { + case I40E_MODULE_TYPE_SFP: + status = i40e_aq_get_phy_register(hw, + I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE, + I40E_I2C_EEPROM_DEV_ADDR, + I40E_MODULE_SFF_8472_COMP, + &sff8472_comp, NULL); + if (status) + return -EIO; + + status = i40e_aq_get_phy_register(hw, + I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE, + I40E_I2C_EEPROM_DEV_ADDR, + I40E_MODULE_SFF_8472_SWAP, + &sff8472_swap, NULL); + if (status) + return -EIO; + + /* Check if the module requires address swap to access + * the other EEPROM memory page. + */ + if (sff8472_swap & I40E_MODULE_SFF_ADDR_MODE) { + netdev_warn(vsi->netdev, "Module address swap to access page 0xA2 is not supported.\n"); + modinfo->type = ETH_MODULE_SFF_8079; + modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; + } else if (sff8472_comp == 0x00) { + /* Module is not SFF-8472 compliant */ + modinfo->type = ETH_MODULE_SFF_8079; + modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; + } else { + modinfo->type = ETH_MODULE_SFF_8472; + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; + } + break; + case I40E_MODULE_TYPE_QSFP_PLUS: + /* Read from memory page 0. */ + status = i40e_aq_get_phy_register(hw, + I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE, + 0, + I40E_MODULE_REVISION_ADDR, + &sff8636_rev, NULL); + if (status) + return -EIO; + /* Determine revision compliance byte */ + if (sff8636_rev > 0x02) { + /* Module is SFF-8636 compliant */ + modinfo->type = ETH_MODULE_SFF_8636; + modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN; + } else { + modinfo->type = ETH_MODULE_SFF_8436; + modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN; + } + break; + case I40E_MODULE_TYPE_QSFP28: + modinfo->type = ETH_MODULE_SFF_8636; + modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN; + break; + default: + netdev_err(vsi->netdev, "Module type unrecognized\n"); + return -EINVAL; + } + return 0; +} + +/** + * i40e_get_module_eeprom - fills buffer with (Q)SFP+ module memory contents + * @netdev: network interface device structure + * @ee: EEPROM dump request structure + * @data: buffer to be filled with EEPROM contents + **/ +static int i40e_get_module_eeprom(struct net_device *netdev, + struct ethtool_eeprom *ee, + u8 *data) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + struct i40e_hw *hw = &pf->hw; + bool is_sfp = false; + i40e_status status; + u32 value = 0; + int i; + + if (!ee || !ee->len || !data) + return -EINVAL; + + if (hw->phy.link_info.module_type[0] == I40E_MODULE_TYPE_SFP) + is_sfp = true; + + for (i = 0; i < ee->len; i++) { + u32 offset = i + ee->offset; + u32 addr = is_sfp ? I40E_I2C_EEPROM_DEV_ADDR : 0; + + /* Check if we need to access the other memory page */ + if (is_sfp) { + if (offset >= ETH_MODULE_SFF_8079_LEN) { + offset -= ETH_MODULE_SFF_8079_LEN; + addr = I40E_I2C_EEPROM_DEV_ADDR2; + } + } else { + while (offset >= ETH_MODULE_SFF_8436_LEN) { + /* Compute memory page number and offset. */ + offset -= ETH_MODULE_SFF_8436_LEN / 2; + addr++; + } + } + + status = i40e_aq_get_phy_register(hw, + I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE, + addr, offset, &value, NULL); + if (status) + return -EIO; + data[i] = value; + } + return 0; +} + static const struct ethtool_ops i40e_ethtool_ops = { .get_drvinfo = i40e_get_drvinfo, .get_regs_len = i40e_get_regs_len, @@ -4228,6 +4380,8 @@ static const struct ethtool_ops i40e_ethtool_ops = { .set_rxfh = i40e_set_rxfh, .get_channels = i40e_get_channels, .set_channels = i40e_set_channels, + .get_module_info = i40e_get_module_info, + .get_module_eeprom = i40e_get_module_eeprom, .get_ts_info = i40e_get_ts_info, .get_priv_flags = i40e_get_priv_flags, .set_priv_flags = i40e_set_priv_flags, diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h index a39b13197891..01502561035c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h +++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h @@ -360,6 +360,15 @@ i40e_status i40e_aq_rx_ctl_write_register(struct i40e_hw *hw, u32 reg_addr, u32 reg_val, struct i40e_asq_cmd_details *cmd_details); void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val); +i40e_status i40e_aq_set_phy_register(struct i40e_hw *hw, + u8 phy_select, u8 dev_addr, + u32 reg_addr, u32 reg_val, + struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_get_phy_register(struct i40e_hw *hw, + u8 phy_select, u8 dev_addr, + u32 reg_addr, u32 *reg_val, + struct i40e_asq_cmd_details *cmd_details); + i40e_status i40e_read_phy_register_clause22(struct i40e_hw *hw, u16 reg, u8 phy_addr, u16 *value); i40e_status i40e_write_phy_register_clause22(struct i40e_hw *hw, diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h index fd4bbdd88b57..8b0b9f826b7f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_type.h +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h @@ -428,6 +428,18 @@ struct i40e_nvm_access { u8 data[1]; }; +/* (Q)SFP module access definitions */ +#define I40E_I2C_EEPROM_DEV_ADDR 0xA0 +#define I40E_I2C_EEPROM_DEV_ADDR2 0xA2 +#define I40E_MODULE_TYPE_ADDR 0x00 +#define I40E_MODULE_REVISION_ADDR 0x01 +#define I40E_MODULE_SFF_8472_COMP 0x5E +#define I40E_MODULE_SFF_8472_SWAP 0x5C +#define I40E_MODULE_SFF_ADDR_MODE 0x04 +#define I40E_MODULE_TYPE_QSFP_PLUS 0x0D +#define I40E_MODULE_TYPE_QSFP28 0x11 +#define I40E_MODULE_QSFP_MAX_LEN 640 + /* PCI bus types */ enum i40e_bus_type { i40e_bus_type_unknown = 0, @@ -598,6 +610,7 @@ struct i40e_hw { struct i40e_dcbx_config desired_dcbx_config; /* CEE Desired Cfg */ #define I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE BIT_ULL(0) +#define I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE BIT_ULL(2) u64 flags; /* debug mask */ diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h index 709d114fc305..eee7ece42b39 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h @@ -244,6 +244,8 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_set_phy_debug = 0x0622, i40e_aqc_opc_upload_ext_phy_fm = 0x0625, i40e_aqc_opc_run_phy_activity = 0x0626, + i40e_aqc_opc_set_phy_register = 0x0628, + i40e_aqc_opc_get_phy_register = 0x0629, /* NVM commands */ i40e_aqc_opc_nvm_read = 0x0701, @@ -2046,6 +2048,22 @@ struct i40e_aqc_run_phy_activity { I40E_CHECK_CMD_LENGTH(i40e_aqc_run_phy_activity); +/* Set PHY Register command (0x0628) */ +/* Get PHY Register command (0x0629) */ +struct i40e_aqc_phy_register_access { + u8 phy_interface; +#define I40E_AQ_PHY_REG_ACCESS_INTERNAL 0 +#define I40E_AQ_PHY_REG_ACCESS_EXTERNAL 1 +#define I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE 2 + u8 dev_address; + u8 reserved1[2]; + __le32 reg_address; + __le32 reg_value; + u8 reserved2[4]; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_phy_register_access); + /* NVM Read command (indirect 0x0701) * NVM Erase commands (direct 0x0702) * NVM Update commands (indirect 0x0703) diff --git a/drivers/net/ethernet/intel/i40evf/i40e_common.c b/drivers/net/ethernet/intel/i40evf/i40e_common.c index 8d3a2bfe186a..7d70bf69b249 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_common.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_common.c @@ -1041,6 +1041,75 @@ void i40evf_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val) wr32(hw, reg_addr, reg_val); } +/** + * i40evf_aq_set_phy_register + * @hw: pointer to the hw struct + * @phy_select: select which phy should be accessed + * @dev_addr: PHY device address + * @reg_addr: PHY register address + * @reg_val: new register value + * @cmd_details: pointer to command details structure or NULL + * + * Reset the external PHY. + **/ +i40e_status i40evf_aq_set_phy_register(struct i40e_hw *hw, + u8 phy_select, u8 dev_addr, + u32 reg_addr, u32 reg_val, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_phy_register_access *cmd = + (struct i40e_aqc_phy_register_access *)&desc.params.raw; + i40e_status status; + + i40evf_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_set_phy_register); + + cmd->phy_interface = phy_select; + cmd->dev_address = dev_addr; + cmd->reg_address = cpu_to_le32(reg_addr); + cmd->reg_value = cpu_to_le32(reg_val); + + status = i40evf_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + return status; +} + +/** + * i40evf_aq_get_phy_register + * @hw: pointer to the hw struct + * @phy_select: select which phy should be accessed + * @dev_addr: PHY device address + * @reg_addr: PHY register address + * @reg_val: read register value + * @cmd_details: pointer to command details structure or NULL + * + * Reset the external PHY. + **/ +i40e_status i40evf_aq_get_phy_register(struct i40e_hw *hw, + u8 phy_select, u8 dev_addr, + u32 reg_addr, u32 *reg_val, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_phy_register_access *cmd = + (struct i40e_aqc_phy_register_access *)&desc.params.raw; + i40e_status status; + + i40evf_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_get_phy_register); + + cmd->phy_interface = phy_select; + cmd->dev_address = dev_addr; + cmd->reg_address = cpu_to_le32(reg_addr); + + status = i40evf_asq_send_command(hw, &desc, NULL, 0, cmd_details); + if (!status) + *reg_val = le32_to_cpu(cmd->reg_value); + + return status; +} + /** * i40e_aq_send_msg_to_pf * @hw: pointer to the hardware structure diff --git a/drivers/net/ethernet/intel/i40evf/i40e_prototype.h b/drivers/net/ethernet/intel/i40evf/i40e_prototype.h index c9836bba487d..b624b5994075 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_prototype.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_prototype.h @@ -111,6 +111,15 @@ i40e_status i40evf_aq_rx_ctl_write_register(struct i40e_hw *hw, u32 reg_addr, u32 reg_val, struct i40e_asq_cmd_details *cmd_details); void i40evf_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val); +i40e_status i40e_aq_set_phy_register(struct i40e_hw *hw, + u8 phy_select, u8 dev_addr, + u32 reg_addr, u32 reg_val, + struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_get_phy_register(struct i40e_hw *hw, + u8 phy_select, u8 dev_addr, + u32 reg_addr, u32 *reg_val, + struct i40e_asq_cmd_details *cmd_details); + i40e_status i40e_read_phy_register(struct i40e_hw *hw, u8 page, u16 reg, u8 phy_addr, u16 *value); i40e_status i40e_write_phy_register(struct i40e_hw *hw, u8 page, diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h index 2ea919d9cdcf..b53584e3d580 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_type.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h @@ -401,6 +401,18 @@ struct i40e_nvm_access { u8 data[1]; }; +/* (Q)SFP module access definitions */ +#define I40E_I2C_EEPROM_DEV_ADDR 0xA0 +#define I40E_I2C_EEPROM_DEV_ADDR2 0xA2 +#define I40E_MODULE_TYPE_ADDR 0x00 +#define I40E_MODULE_REVISION_ADDR 0x01 +#define I40E_MODULE_SFF_8472_COMP 0x5E +#define I40E_MODULE_SFF_8472_SWAP 0x5C +#define I40E_MODULE_SFF_ADDR_MODE 0x04 +#define I40E_MODULE_TYPE_QSFP_PLUS 0x0D +#define I40E_MODULE_TYPE_QSFP28 0x11 +#define I40E_MODULE_QSFP_MAX_LEN 640 + /* PCI bus types */ enum i40e_bus_type { i40e_bus_type_unknown = 0, From patchwork Mon Oct 2 19:48:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820649 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xms0lPlz9s06 for ; Tue, 3 Oct 2017 06:49:33 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751813AbdJBTtb (ORCPT ); Mon, 2 Oct 2017 15:49:31 -0400 Received: from mga14.intel.com ([192.55.52.115]:29126 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751102AbdJBTtW (ORCPT ); Mon, 2 Oct 2017 15:49:22 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878246" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Mariusz Stachura , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 06/15] i40e: use admin queue for setting LEDs behavior Date: Mon, 2 Oct 2017 12:48:43 -0700 Message-Id: <20171002194852.71970-7-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Mariusz Stachura Instead of accessing register directly, use newly added AQC in order to blink LEDs. Introduce and utilize a new flag to prevent excessive API version checking. Signed-off-by: Mariusz Stachura Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_adminq.c | 6 ++ drivers/net/ethernet/intel/i40e/i40e_common.c | 115 ++++++++++++++++++++------ drivers/net/ethernet/intel/i40evf/i40e_type.h | 2 + 3 files changed, 99 insertions(+), 24 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index ba04988e0598..08f63226105a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -607,6 +607,12 @@ i40e_status i40e_init_adminq(struct i40e_hw *hw) &oem_lo); hw->nvm.oem_ver = ((u32)oem_hi << 16) | oem_lo; + if (hw->mac.type == I40E_MAC_XL710 && + hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR && + hw->aq.api_min_ver >= I40E_MINOR_VER_GET_LINK_INFO_XL710) { + hw->flags |= I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE; + } + if (hw->aq.api_maj_ver > I40E_FW_API_VERSION_MAJOR) { ret_code = I40E_ERR_FIRMWARE_API_VERSION; goto init_adminq_free_arq; diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index fada03799850..a4838779de5d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -4836,6 +4836,74 @@ i40e_status i40e_blink_phy_link_led(struct i40e_hw *hw, return status; } +/** + * i40e_led_get_reg - read LED register + * @hw: pointer to the HW structure + * @led_addr: LED register address + * @reg_val: read register value + **/ +static enum i40e_status_code i40e_led_get_reg(struct i40e_hw *hw, u16 led_addr, + u32 *reg_val) +{ + enum i40e_status_code status; + u8 phy_addr = 0; + u8 port_num; + u32 i; + + *reg_val = 0; + if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) { + status = + i40e_aq_get_phy_register(hw, + I40E_AQ_PHY_REG_ACCESS_EXTERNAL, + I40E_PHY_COM_REG_PAGE, + I40E_PHY_LED_PROV_REG_1, + reg_val, NULL); + } else { + i = rd32(hw, I40E_PFGEN_PORTNUM); + port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK); + phy_addr = i40e_get_phy_address(hw, port_num); + status = i40e_read_phy_register_clause45(hw, + I40E_PHY_COM_REG_PAGE, + led_addr, phy_addr, + (u16 *)reg_val); + } + return status; +} + +/** + * i40e_led_set_reg - write LED register + * @hw: pointer to the HW structure + * @led_addr: LED register address + * @reg_val: register value to write + **/ +static enum i40e_status_code i40e_led_set_reg(struct i40e_hw *hw, u16 led_addr, + u32 reg_val) +{ + enum i40e_status_code status; + u8 phy_addr = 0; + u8 port_num; + u32 i; + + if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) { + status = + i40e_aq_set_phy_register(hw, + I40E_AQ_PHY_REG_ACCESS_EXTERNAL, + I40E_PHY_COM_REG_PAGE, + I40E_PHY_LED_PROV_REG_1, + reg_val, NULL); + } else { + i = rd32(hw, I40E_PFGEN_PORTNUM); + port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK); + phy_addr = i40e_get_phy_address(hw, port_num); + status = i40e_write_phy_register_clause45(hw, + I40E_PHY_COM_REG_PAGE, + led_addr, phy_addr, + (u16)reg_val); + } + + return status; +} + /** * i40e_led_get_phy - return current on/off mode * @hw: pointer to the hw struct @@ -4853,7 +4921,19 @@ i40e_status i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr, u16 temp_addr; u8 port_num; u32 i; - + u32 reg_val_aq; + + if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) { + status = + i40e_aq_get_phy_register(hw, + I40E_AQ_PHY_REG_ACCESS_EXTERNAL, + I40E_PHY_COM_REG_PAGE, + I40E_PHY_LED_PROV_REG_1, + ®_val_aq, NULL); + if (status == I40E_SUCCESS) + *val = (u16)reg_val_aq; + return status; + } temp_addr = I40E_PHY_LED_PROV_REG_1; i = rd32(hw, I40E_PFGEN_PORTNUM); port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK); @@ -4888,51 +4968,38 @@ i40e_status i40e_led_set_phy(struct i40e_hw *hw, bool on, u16 led_addr, u32 mode) { i40e_status status = 0; - u16 led_ctl = 0; - u16 led_reg = 0; - u8 phy_addr = 0; - u8 port_num; - u32 i; + u32 led_ctl = 0; + u32 led_reg = 0; - i = rd32(hw, I40E_PFGEN_PORTNUM); - port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK); - phy_addr = i40e_get_phy_address(hw, port_num); - status = i40e_read_phy_register_clause45(hw, I40E_PHY_COM_REG_PAGE, - led_addr, phy_addr, &led_reg); + status = i40e_led_get_reg(hw, led_addr, &led_reg); if (status) return status; led_ctl = led_reg; if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) { led_reg = 0; - status = i40e_write_phy_register_clause45(hw, - I40E_PHY_COM_REG_PAGE, - led_addr, phy_addr, - led_reg); + status = i40e_led_set_reg(hw, led_addr, led_reg); if (status) return status; } - status = i40e_read_phy_register_clause45(hw, I40E_PHY_COM_REG_PAGE, - led_addr, phy_addr, &led_reg); + status = i40e_led_get_reg(hw, led_addr, &led_reg); if (status) goto restore_config; if (on) led_reg = I40E_PHY_LED_MANUAL_ON; else led_reg = 0; - status = i40e_write_phy_register_clause45(hw, I40E_PHY_COM_REG_PAGE, - led_addr, phy_addr, led_reg); + + status = i40e_led_set_reg(hw, led_addr, led_reg); if (status) goto restore_config; if (mode & I40E_PHY_LED_MODE_ORIG) { led_ctl = (mode & I40E_PHY_LED_MODE_MASK); - status = i40e_write_phy_register_clause45(hw, - I40E_PHY_COM_REG_PAGE, - led_addr, phy_addr, led_ctl); + status = i40e_led_set_reg(hw, led_addr, led_ctl); } return status; + restore_config: - status = i40e_write_phy_register_clause45(hw, I40E_PHY_COM_REG_PAGE, - led_addr, phy_addr, led_ctl); + status = i40e_led_set_reg(hw, led_addr, led_ctl); return status; } diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h index b53584e3d580..48eacf5e73e4 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_type.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h @@ -568,6 +568,8 @@ struct i40e_hw { /* LLDP/DCBX Status */ u16 dcbx_status; +#define I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE BIT_ULL(2) + /* DCBX info */ struct i40e_dcbx_config local_dcbx_config; /* Oper/Local Cfg */ struct i40e_dcbx_config remote_dcbx_config; /* Peer Cfg */ From patchwork Mon Oct 2 19:48:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820654 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5XnG6Tdmz9t2Z for ; Tue, 3 Oct 2017 06:49:54 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751891AbdJBTtn (ORCPT ); Mon, 2 Oct 2017 15:49:43 -0400 Received: from mga05.intel.com ([192.55.52.43]:63279 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751613AbdJBTtV (ORCPT ); Mon, 2 Oct 2017 15:49:21 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878250" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Jacob Keller , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 07/15] i40e: don't hold spinlock while resetting VF Date: Mon, 2 Oct 2017 12:48:44 -0700 Message-Id: <20171002194852.71970-8-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jacob Keller When we refactored handling of the PVID in commit 9af52f60b2d9 ("i40e: use (add|rm)_vlan_all_mac helper functions when changing PVID") we introduced a scheduling while atomic regression. This occurred because we now held the spinlock across a call to i40e_reset_vf(), which results in a usleep_range() call that triggers a scheduling while atomic bug. This was rare as it only occurred if the user configured a VLAN on a VF and also attempted to reconfigure the VF from the host system with a port VLAN. We do need to hold the lock while calling i40e_is_vsi_in_vlan(), but we should not be holding it while we reset the VF. We'll fix this by introducing a separate helper function i40e_vsi_has_vlans which checks whether we have a PVID and whether the VSI has configured VLANs. This helper function will manage its own need for the mac_filter_hash_lock. Then, we can move the acquiring of the spinlock until after we reset the VF, which ensures that we do not sleep while holding the lock. Using a separate function like this makes the code more clear and is easier to read than attempting to release and re-acquire the spinlock when we reset the VF. Signed-off-by: Jacob Keller Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 36 +++++++++++++++++++--- 1 file changed, 32 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 9e3667fc7f6a..53ead127b293 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2925,6 +2925,34 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) return ret; } +/** + * i40e_vsi_has_vlans - True if VSI has configured VLANs + * @vsi: pointer to the vsi + * + * Check if a VSI has configured any VLANs. False if we have a port VLAN or if + * we have no configured VLANs. Do not call while holding the + * mac_filter_hash_lock. + */ +static bool i40e_vsi_has_vlans(struct i40e_vsi *vsi) +{ + bool have_vlans; + + /* If we have a port VLAN, then the VSI cannot have any VLANs + * configured, as all MAC/VLAN filters will be assigned to the PVID. + */ + if (vsi->info.pvid) + return false; + + /* Since we don't have a PVID, we know that if the device is in VLAN + * mode it must be because of a VLAN filter configured on this VSI. + */ + spin_lock_bh(&vsi->mac_filter_hash_lock); + have_vlans = i40e_is_vsi_in_vlan(vsi); + spin_unlock_bh(&vsi->mac_filter_hash_lock); + + return have_vlans; +} + /** * i40e_ndo_set_vf_port_vlan * @netdev: network interface device structure @@ -2977,10 +3005,7 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id, /* duplicate request, so just return success */ goto error_pvid; - /* Locked once because multiple functions below iterate list */ - spin_lock_bh(&vsi->mac_filter_hash_lock); - - if (le16_to_cpu(vsi->info.pvid) == 0 && i40e_is_vsi_in_vlan(vsi)) { + if (i40e_vsi_has_vlans(vsi)) { dev_err(&pf->pdev->dev, "VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n", vf_id); @@ -2993,6 +3018,9 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id, vsi = pf->vsi[vf->lan_vsi_idx]; } + /* Locked once because multiple functions below iterate list */ + spin_lock_bh(&vsi->mac_filter_hash_lock); + /* Check for condition where there was already a port VLAN ID * filter set and now it is being deleted by setting it to zero. * Additionally check for the condition where there was a port From patchwork Mon Oct 2 19:48:45 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820659 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xng1f2Vz9t2Z for ; Tue, 3 Oct 2017 06:50:15 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751984AbdJBTuE (ORCPT ); Mon, 2 Oct 2017 15:50:04 -0400 Received: from mga14.intel.com ([192.55.52.115]:8038 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751587AbdJBTtU (ORCPT ); Mon, 2 Oct 2017 15:49:20 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878254" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Jacob Keller , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 08/15] i40e: drop i40e_pf *pf from i40e_vc_disable_vf() Date: Mon, 2 Oct 2017 12:48:45 -0700 Message-Id: <20171002194852.71970-9-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jacob Keller It's never used, and the vf structure could get back to the PF if necessary. Lets just drop the extra unneeded parameter. Signed-off-by: Jacob Keller Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 53ead127b293..70a79864177a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -154,12 +154,11 @@ void i40e_vc_notify_vf_reset(struct i40e_vf *vf) /** * i40e_vc_disable_vf - * @pf: pointer to the PF info * @vf: pointer to the VF info * * Disable the VF through a SW reset **/ -static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf) +static inline void i40e_vc_disable_vf(struct i40e_vf *vf) { i40e_vc_notify_vf_reset(vf); i40e_reset_vf(vf, false); @@ -2918,7 +2917,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) } /* Force the VF driver stop so it has to reload with new MAC address */ - i40e_vc_disable_vf(pf, vf); + i40e_vc_disable_vf(vf); dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n"); error_param: @@ -3013,7 +3012,7 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id, * the right thing by reconfiguring his network correctly * and then reloading the VF driver. */ - i40e_vc_disable_vf(pf, vf); + i40e_vc_disable_vf(vf); /* During reset the VF got a new VSI, so refresh the pointer. */ vsi = pf->vsi[vf->lan_vsi_idx]; } From patchwork Mon Oct 2 19:48:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820655 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5XnL5m25z9t2Z for ; Tue, 3 Oct 2017 06:49:58 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751883AbdJBTtn (ORCPT ); Mon, 2 Oct 2017 15:49:43 -0400 Received: from mga14.intel.com ([192.55.52.115]:23140 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751644AbdJBTtV (ORCPT ); Mon, 2 Oct 2017 15:49:21 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878257" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Jacob Keller , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 09/15] i40e: make use of i40e_vc_disable_vf Date: Mon, 2 Oct 2017 12:48:46 -0700 Message-Id: <20171002194852.71970-10-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jacob Keller Replace i40e_vc_notify_vf_reset and i40e_reset_vf with a call to i40e_vc_disable_vf which does this exact thing. This matches similar code patterns throughout the driver. Signed-off-by: Jacob Keller Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 70a79864177a..94ee243f110e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -3388,8 +3388,7 @@ int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting) goto out; vf->trusted = setting; - i40e_vc_notify_vf_reset(vf); - i40e_reset_vf(vf, false); + i40e_vc_disable_vf(vf); dev_info(&pf->pdev->dev, "VF %u is now %strusted\n", vf_id, setting ? "" : "un"); out: From patchwork Mon Oct 2 19:48:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820662 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xnz2jWfz9t2Z for ; Tue, 3 Oct 2017 06:50:31 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751935AbdJBTuV (ORCPT ); Mon, 2 Oct 2017 15:50:21 -0400 Received: from mga05.intel.com ([192.55.52.43]:39749 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751514AbdJBTtT (ORCPT ); Mon, 2 Oct 2017 15:49:19 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP; 02 Oct 2017 12:49:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878276" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Jacob Keller , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 10/15] i40e: ensure reset occurs when disabling VF Date: Mon, 2 Oct 2017 12:48:47 -0700 Message-Id: <20171002194852.71970-11-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jacob Keller It is possible although rare that we may not reset when i40e_vc_disable_vf() is called. This can lead to some weird circumstances with some values not being properly set. Modify i40e_reset_vf() to return a code indicating whether it reset or not. Now, i40e_vc_disable_vf() can wait until a reset actually occurs. If it fails to free up within a reasonable time frame we'll display a warning message. Signed-off-by: Jacob Keller Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 42 +++++++++++++++++----- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h | 4 +-- 2 files changed, 35 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 94ee243f110e..7742cf3d38d9 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -156,12 +156,28 @@ void i40e_vc_notify_vf_reset(struct i40e_vf *vf) * i40e_vc_disable_vf * @vf: pointer to the VF info * - * Disable the VF through a SW reset + * Disable the VF through a SW reset. **/ static inline void i40e_vc_disable_vf(struct i40e_vf *vf) { + int i; + i40e_vc_notify_vf_reset(vf); - i40e_reset_vf(vf, false); + + /* We want to ensure that an actual reset occurs initiated after this + * function was called. However, we do not want to wait forever, so + * we'll give a reasonable time and print a message if we failed to + * ensure a reset. + */ + for (i = 0; i < 20; i++) { + if (i40e_reset_vf(vf, false)) + return; + usleep_range(10000, 20000); + } + + dev_warn(&vf->pf->pdev->dev, + "Failed to initiate reset for VF %d after 200 milliseconds\n", + vf->vf_id); } /** @@ -1051,9 +1067,9 @@ static void i40e_cleanup_reset_vf(struct i40e_vf *vf) * @vf: pointer to the VF structure * @flr: VFLR was issued or not * - * reset the VF + * Returns true if the VF is reset, false otherwise. **/ -void i40e_reset_vf(struct i40e_vf *vf, bool flr) +bool i40e_reset_vf(struct i40e_vf *vf, bool flr) { struct i40e_pf *pf = vf->pf; struct i40e_hw *hw = &pf->hw; @@ -1061,9 +1077,11 @@ void i40e_reset_vf(struct i40e_vf *vf, bool flr) u32 reg; int i; - /* If VFs have been disabled, there is no need to reset */ + /* If the VFs have been disabled, this means something else is + * resetting the VF, so we shouldn't continue. + */ if (test_and_set_bit(__I40E_VF_DISABLE, pf->state)) - return; + return false; i40e_trigger_vf_reset(vf, flr); @@ -1100,6 +1118,8 @@ void i40e_reset_vf(struct i40e_vf *vf, bool flr) i40e_flush(hw); clear_bit(__I40E_VF_DISABLE, pf->state); + + return true; } /** @@ -1111,8 +1131,10 @@ void i40e_reset_vf(struct i40e_vf *vf, bool flr) * VF, then do all the waiting in one chunk, and finally finish restoring each * VF after the wait. This is useful during PF routines which need to reset * all VFs, as otherwise it must perform these resets in a serialized fashion. + * + * Returns true if any VFs were reset, and false otherwise. **/ -void i40e_reset_all_vfs(struct i40e_pf *pf, bool flr) +bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr) { struct i40e_hw *hw = &pf->hw; struct i40e_vf *vf; @@ -1121,11 +1143,11 @@ void i40e_reset_all_vfs(struct i40e_pf *pf, bool flr) /* If we don't have any VFs, then there is nothing to reset */ if (!pf->num_alloc_vfs) - return; + return false; /* If VFs have been disabled, there is no need to reset */ if (test_and_set_bit(__I40E_VF_DISABLE, pf->state)) - return; + return false; /* Begin reset on all VFs at once */ for (v = 0; v < pf->num_alloc_vfs; v++) @@ -1200,6 +1222,8 @@ void i40e_reset_all_vfs(struct i40e_pf *pf, bool flr) i40e_flush(hw); clear_bit(__I40E_VF_DISABLE, pf->state); + + return true; } /** diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h index 5111d05d5f2f..5ea42ad094bc 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h @@ -122,8 +122,8 @@ int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs); int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen); int i40e_vc_process_vflr_event(struct i40e_pf *pf); -void i40e_reset_vf(struct i40e_vf *vf, bool flr); -void i40e_reset_all_vfs(struct i40e_pf *pf, bool flr); +bool i40e_reset_vf(struct i40e_vf *vf, bool flr); +bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr); void i40e_vc_notify_vf_reset(struct i40e_vf *vf); /* VF configuration related iplink handlers */ From patchwork Mon Oct 2 19:48:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820658 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xnb6JtZz9t2Z for ; Tue, 3 Oct 2017 06:50:11 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752008AbdJBTuF (ORCPT ); Mon, 2 Oct 2017 15:50:05 -0400 Received: from mga14.intel.com ([192.55.52.115]:29126 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751566AbdJBTtU (ORCPT ); Mon, 2 Oct 2017 15:49:20 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 12:49:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878277" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Alan Brady , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 11/15] i40evf: Enable VF to request an alternate queue allocation Date: Mon, 2 Oct 2017 12:48:48 -0700 Message-Id: <20171002194852.71970-12-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Alan Brady Currently the VF gets a default number of allocated queues from HW on init and it could choose to enable or disable those allocated queues. This makes it such that the VF can request more or less underlying allocated queues from the PF. First the VF negotiates the number of queues it wants that can be supported by the PF and if successful asks for a reset. During reset the PF will reallocate the HW queues for the VF and will then remap the new queues. Signed-off-by: Alan Brady Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40evf/i40evf.h | 4 + drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c | 38 ++++++++- drivers/net/ethernet/intel/i40evf/i40evf_main.c | 94 ++++++++++++++++++++-- .../net/ethernet/intel/i40evf/i40evf_virtchnl.c | 44 +++++++++- 4 files changed, 173 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf.h b/drivers/net/ethernet/intel/i40evf/i40evf.h index 82f69031e5cd..5982362c5643 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf.h +++ b/drivers/net/ethernet/intel/i40evf/i40evf.h @@ -102,6 +102,7 @@ struct i40e_vsi { #define I40E_TX_CTXTDESC(R, i) \ (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) #define MAX_QUEUES 16 +#define I40EVF_MAX_REQ_QUEUES 4 #define I40EVF_HKEY_ARRAY_SIZE ((I40E_VFQF_HKEY_MAX_INDEX + 1) * 4) #define I40EVF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT_MAX_INDEX + 1) * 4) @@ -200,6 +201,7 @@ struct i40evf_adapter { struct list_head vlan_filter_list; char misc_vector_name[IFNAMSIZ + 9]; int num_active_queues; + int num_req_queues; /* TX */ struct i40e_ring *tx_rings; @@ -235,6 +237,7 @@ struct i40evf_adapter { #define I40EVF_FLAG_PROMISC_ON BIT(18) #define I40EVF_FLAG_ALLMULTI_ON BIT(19) #define I40EVF_FLAG_LEGACY_RX BIT(20) +#define I40EVF_FLAG_REINIT_ITR_NEEDED BIT(21) /* duplicates for common code */ #define I40E_FLAG_DCB_ENABLED 0 #define I40E_FLAG_RX_CSUM_ENABLED I40EVF_FLAG_RX_CSUM_ENABLED @@ -349,6 +352,7 @@ void i40evf_deconfigure_queues(struct i40evf_adapter *adapter); void i40evf_enable_queues(struct i40evf_adapter *adapter); void i40evf_disable_queues(struct i40evf_adapter *adapter); void i40evf_map_queues(struct i40evf_adapter *adapter); +int i40evf_request_queues(struct i40evf_adapter *adapter, int num); void i40evf_add_ether_addrs(struct i40evf_adapter *adapter); void i40evf_del_ether_addrs(struct i40evf_adapter *adapter); void i40evf_add_vlans(struct i40evf_adapter *adapter); diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c index 65874d6b3ab9..da006fa3fec1 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c @@ -669,7 +669,7 @@ static void i40evf_get_channels(struct net_device *netdev, struct i40evf_adapter *adapter = netdev_priv(netdev); /* Report maximum channels */ - ch->max_combined = adapter->num_active_queues; + ch->max_combined = I40EVF_MAX_REQ_QUEUES; ch->max_other = NONQ_VECS; ch->other_count = NONQ_VECS; @@ -677,6 +677,41 @@ static void i40evf_get_channels(struct net_device *netdev, ch->combined_count = adapter->num_active_queues; } +/** + * i40evf_set_channels: set the new channel count + * @netdev: network interface device structure + * @ch: channel information structure + * + * Negotiate a new number of channels with the PF then do a reset. During + * reset we'll realloc queues and fix the RSS table. Returns 0 on success, + * negative on failure. + **/ +static int i40evf_set_channels(struct net_device *netdev, + struct ethtool_channels *ch) +{ + struct i40evf_adapter *adapter = netdev_priv(netdev); + int num_req = ch->combined_count; + + if (num_req != adapter->num_active_queues && + !(adapter->vf_res->vf_cap_flags & + VIRTCHNL_VF_OFFLOAD_REQ_QUEUES)) { + dev_info(&adapter->pdev->dev, "PF is not capable of queue negotiation.\n"); + return -EINVAL; + } + + /* All of these should have already been checked by ethtool before this + * even gets to us, but just to be sure. + */ + if (num_req <= 0 || num_req > I40EVF_MAX_REQ_QUEUES) + return -EINVAL; + + if (ch->rx_count || ch->tx_count || ch->other_count != NONQ_VECS) + return -EINVAL; + + adapter->num_req_queues = num_req; + return i40evf_request_queues(adapter, num_req); +} + /** * i40evf_get_rxfh_key_size - get the RSS hash key size * @netdev: network interface device structure @@ -785,6 +820,7 @@ static const struct ethtool_ops i40evf_ethtool_ops = { .get_rxfh = i40evf_get_rxfh, .set_rxfh = i40evf_set_rxfh, .get_channels = i40evf_get_channels, + .set_channels = i40evf_set_channels, .get_rxfh_key_size = i40evf_get_rxfh_key_size, .get_link_ksettings = i40evf_get_link_ksettings, }; diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 69ef6c1d5364..8c513ce84345 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -1189,9 +1189,18 @@ static int i40evf_alloc_queues(struct i40evf_adapter *adapter) { int i, num_active_queues; - num_active_queues = min_t(int, - adapter->vsi_res->num_queue_pairs, - (int)(num_online_cpus())); + /* If we're in reset reallocating queues we don't actually know yet for + * certain the PF gave us the number of queues we asked for but we'll + * assume it did. Once basic reset is finished we'll confirm once we + * start negotiating config with PF. + */ + if (adapter->num_req_queues) + num_active_queues = adapter->num_req_queues; + else + num_active_queues = min_t(int, + adapter->vsi_res->num_queue_pairs, + (int)(num_online_cpus())); + adapter->tx_rings = kcalloc(num_active_queues, sizeof(struct i40e_ring), GFP_KERNEL); @@ -1539,6 +1548,48 @@ static void i40evf_free_rss(struct i40evf_adapter *adapter) adapter->rss_lut = NULL; } +/** + * i40evf_reinit_interrupt_scheme - Reallocate queues and vectors + * @adapter: board private structure + * + * Returns 0 on success, negative on failure + **/ +static int i40evf_reinit_interrupt_scheme(struct i40evf_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int err; + + if (netif_running(netdev)) + i40evf_free_traffic_irqs(adapter); + i40evf_free_misc_irq(adapter); + i40evf_reset_interrupt_capability(adapter); + i40evf_free_q_vectors(adapter); + i40evf_free_queues(adapter); + + err = i40evf_init_interrupt_scheme(adapter); + if (err) + goto err; + + netif_tx_stop_all_queues(netdev); + + err = i40evf_request_misc_irq(adapter); + if (err) + goto err; + + set_bit(__I40E_VSI_DOWN, adapter->vsi.state); + + err = i40evf_map_rings_to_vectors(adapter); + if (err) + goto err; + + if (RSS_AQ(adapter)) + adapter->aq_required |= I40EVF_FLAG_AQ_CONFIGURE_RSS; + else + err = i40evf_init_rss(adapter); +err: + return err; +} + /** * i40evf_watchdog_timer - Periodic call-back timer * @data: pointer to adapter disguised as unsigned long @@ -1885,8 +1936,15 @@ static void i40evf_reset_task(struct work_struct *work) if (err) dev_info(&adapter->pdev->dev, "Failed to init adminq: %d\n", err); + adapter->aq_required = 0; - adapter->aq_required = I40EVF_FLAG_AQ_GET_CONFIG; + if (adapter->flags & I40EVF_FLAG_REINIT_ITR_NEEDED) { + err = i40evf_reinit_interrupt_scheme(adapter); + if (err) + goto reset_err; + } + + adapter->aq_required |= I40EVF_FLAG_AQ_GET_CONFIG; adapter->aq_required |= I40EVF_FLAG_AQ_MAP_VECTORS; /* re-add all MAC filters */ @@ -1916,6 +1974,15 @@ static void i40evf_reset_task(struct work_struct *work) if (err) goto reset_err; + if (adapter->flags & I40EVF_FLAG_REINIT_ITR_NEEDED) { + err = i40evf_request_traffic_irqs(adapter, + netdev->name); + if (err) + goto reset_err; + + adapter->flags &= ~I40EVF_FLAG_REINIT_ITR_NEEDED; + } + i40evf_configure(adapter); i40evf_up_complete(adapter); @@ -2431,9 +2498,9 @@ static int i40evf_check_reset_complete(struct i40e_hw *hw) int i40evf_process_config(struct i40evf_adapter *adapter) { struct virtchnl_vf_resource *vfres = adapter->vf_res; + int i, num_req_queues = adapter->num_req_queues; struct net_device *netdev = adapter->netdev; struct i40e_vsi *vsi = &adapter->vsi; - int i; netdev_features_t hw_enc_features; netdev_features_t hw_features; @@ -2447,6 +2514,23 @@ int i40evf_process_config(struct i40evf_adapter *adapter) return -ENODEV; } + if (num_req_queues && + num_req_queues != adapter->vsi_res->num_queue_pairs) { + /* Problem. The PF gave us fewer queues than what we had + * negotiated in our request. Need a reset to see if we can't + * get back to a working state. + */ + dev_err(&adapter->pdev->dev, + "Requested %d queues, but PF only gave us %d.\n", + num_req_queues, + adapter->vsi_res->num_queue_pairs); + adapter->flags |= I40EVF_FLAG_REINIT_ITR_NEEDED; + adapter->num_req_queues = adapter->vsi_res->num_queue_pairs; + i40evf_schedule_reset(adapter); + return -ENODEV; + } + adapter->num_req_queues = 0; + hw_enc_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c index 2bb0fe00361f..2bb81c39d85f 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c @@ -160,7 +160,8 @@ int i40evf_send_vf_config_msg(struct i40evf_adapter *adapter) VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 | VIRTCHNL_VF_OFFLOAD_ENCAP | - VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM; + VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM | + VIRTCHNL_VF_OFFLOAD_REQ_QUEUES; adapter->current_op = VIRTCHNL_OP_GET_VF_RESOURCES; adapter->aq_required &= ~I40EVF_FLAG_AQ_GET_CONFIG; @@ -384,6 +385,32 @@ void i40evf_map_queues(struct i40evf_adapter *adapter) kfree(vimi); } +/** + * i40evf_request_queues + * @adapter: adapter structure + * @num: number of requested queues + * + * We get a default number of queues from the PF. This enables us to request a + * different number. Returns 0 on success, negative on failure + **/ +int i40evf_request_queues(struct i40evf_adapter *adapter, int num) +{ + struct virtchnl_vf_res_request vfres; + + if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { + /* bail because we already have a command pending */ + dev_err(&adapter->pdev->dev, "Cannot request queues, command %d pending\n", + adapter->current_op); + return -EBUSY; + } + + vfres.num_queue_pairs = num; + + adapter->current_op = VIRTCHNL_OP_REQUEST_QUEUES; + return i40evf_send_pf_msg(adapter, VIRTCHNL_OP_REQUEST_QUEUES, + (u8 *)&vfres, sizeof(vfres)); +} + /** * i40evf_add_ether_addrs * @adapter: adapter structure @@ -1068,6 +1095,21 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter, "Invalid message %d from PF\n", v_opcode); } break; + case VIRTCHNL_OP_REQUEST_QUEUES: { + struct virtchnl_vf_res_request *vfres = + (struct virtchnl_vf_res_request *)msg; + if (vfres->num_queue_pairs == adapter->num_req_queues) { + adapter->flags |= I40EVF_FLAG_REINIT_ITR_NEEDED; + i40evf_schedule_reset(adapter); + } else { + dev_info(&adapter->pdev->dev, + "Requested %d queues, PF can support %d\n", + adapter->num_req_queues, + vfres->num_queue_pairs); + adapter->num_req_queues = 0; + } + } + break; default: if (adapter->current_op && (v_opcode != adapter->current_op)) dev_warn(&adapter->pdev->dev, "Expected response %d from PF, received %d\n", From patchwork Mon Oct 2 19:48:49 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820653 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5XnC645rz9t2Z for ; Tue, 3 Oct 2017 06:49:51 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751910AbdJBTto (ORCPT ); Mon, 2 Oct 2017 15:49:44 -0400 Received: from mga05.intel.com ([192.55.52.43]:36724 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751638AbdJBTtV (ORCPT ); Mon, 2 Oct 2017 15:49:21 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878280" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Mitch Williams , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 12/15] i40e: make i40evf_map_rings_to_vectors void Date: Mon, 2 Oct 2017 12:48:49 -0700 Message-Id: <20171002194852.71970-13-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Mitch Williams This function cannot fail, so why is it returning a value? And why are we checking it? Why shouldn't we just make it void? Why is this commit message made up of only questions? Signed-off-by: Mitch Williams Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40evf/i40evf_main.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 8c513ce84345..f2f1e754c2ce 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -430,12 +430,11 @@ i40evf_map_vector_to_txq(struct i40evf_adapter *adapter, int v_idx, int t_idx) * group the rings as "efficiently" as possible. You would add new * mapping configurations in here. **/ -static int i40evf_map_rings_to_vectors(struct i40evf_adapter *adapter) +static void i40evf_map_rings_to_vectors(struct i40evf_adapter *adapter) { int rings_remaining = adapter->num_active_queues; int ridx = 0, vidx = 0; int q_vectors; - int err = 0; q_vectors = adapter->num_msix_vectors - NONQ_VECS; @@ -451,8 +450,6 @@ static int i40evf_map_rings_to_vectors(struct i40evf_adapter *adapter) } adapter->aq_required |= I40EVF_FLAG_AQ_MAP_VECTORS; - - return err; } #ifdef CONFIG_NET_POLL_CONTROLLER @@ -1578,9 +1575,7 @@ static int i40evf_reinit_interrupt_scheme(struct i40evf_adapter *adapter) set_bit(__I40E_VSI_DOWN, adapter->vsi.state); - err = i40evf_map_rings_to_vectors(adapter); - if (err) - goto err; + i40evf_map_rings_to_vectors(adapter); if (RSS_AQ(adapter)) adapter->aq_required |= I40EVF_FLAG_AQ_CONFIGURE_RSS; From patchwork Mon Oct 2 19:48:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820648 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xmm1X33z9t42 for ; Tue, 3 Oct 2017 06:49:28 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751721AbdJBTtZ (ORCPT ); Mon, 2 Oct 2017 15:49:25 -0400 Received: from mga05.intel.com ([192.55.52.43]:36724 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751268AbdJBTtU (ORCPT ); Mon, 2 Oct 2017 15:49:20 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878282" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Alan Brady , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 13/15] i40e: fix handling of vf_states variable Date: Mon, 2 Oct 2017 12:48:50 -0700 Message-Id: <20171002194852.71970-14-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Alan Brady Currently we inappropriately clear the vf_states variable with a null assignment. This is problematic because we should be using atomic bitops on this variable and we don't actually want to clear all the flags. We should just clear the ones we know we want to clear. Additionally remove the I40E_VF_STATE_FCOEENA bit because it is no longer being used. Signed-off-by: Alan Brady Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 5 ++++- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h | 1 - 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 7742cf3d38d9..989a65d60ac9 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -879,7 +879,8 @@ static void i40e_free_vf_res(struct i40e_vf *vf) } /* reset some of the state variables keeping track of the resources */ vf->num_queue_pairs = 0; - vf->vf_states = 0; + clear_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states); + clear_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states); } /** @@ -1586,6 +1587,8 @@ static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg) (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_IWARP)) { vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_IWARP; set_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states); + } else { + clear_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states); } if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h index 5ea42ad094bc..5efc4f92bb37 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h @@ -56,7 +56,6 @@ enum i40e_vf_states { I40E_VF_STATE_INIT = 0, I40E_VF_STATE_ACTIVE, I40E_VF_STATE_IWARPENA, - I40E_VF_STATE_FCOEENA, I40E_VF_STATE_DISABLED, I40E_VF_STATE_MC_PROMISC, I40E_VF_STATE_UC_PROMISC, From patchwork Mon Oct 2 19:48:51 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820657 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5XnX0h9Vz9t42 for ; Tue, 3 Oct 2017 06:50:08 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752014AbdJBTuF (ORCPT ); Mon, 2 Oct 2017 15:50:05 -0400 Received: from mga14.intel.com ([192.55.52.115]:23140 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751460AbdJBTtU (ORCPT ); Mon, 2 Oct 2017 15:49:20 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878283" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Alan Brady , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 14/15] i40e: fix client notify of VF reset Date: Mon, 2 Oct 2017 12:48:51 -0700 Message-Id: <20171002194852.71970-15-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Alan Brady Currently there is a bug in which the PF driver fails to inform clients of a VF reset which then causes clients to leak resources. The bug exists because we were incorrectly checking the I40E_VF_STATE_PRE_ENABLE bit. When a VF is first init we go through a reset to initialize variables and allocate resources but we don't want to inform clients of this first reset since the client isn't fully enabled yet so we set a state bit signifying we're in a "pre-enabled" client state. During the first reset we should be clearing the bit, allowing all following resets to notify the client of the reset when the bit is not set. This patch fixes the issue by negating the 'test_and_clear_bit' check to accurately reflect the behavior we want. Signed-off-by: Alan Brady Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 989a65d60ac9..04568137e029 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -1050,8 +1050,8 @@ static void i40e_cleanup_reset_vf(struct i40e_vf *vf) set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states); clear_bit(I40E_VF_STATE_DISABLED, &vf->vf_states); /* Do not notify the client during VF init */ - if (test_and_clear_bit(I40E_VF_STATE_PRE_ENABLE, - &vf->vf_states)) + if (!test_and_clear_bit(I40E_VF_STATE_PRE_ENABLE, + &vf->vf_states)) i40e_notify_client_of_vf_reset(pf, abs_vf_id); vf->num_vlan = 0; } From patchwork Mon Oct 2 19:48:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 820652 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y5Xn728YJz9t2Z for ; Tue, 3 Oct 2017 06:49:47 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751931AbdJBTtp (ORCPT ); Mon, 2 Oct 2017 15:49:45 -0400 Received: from mga05.intel.com ([192.55.52.43]:39749 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751604AbdJBTtV (ORCPT ); Mon, 2 Oct 2017 15:49:21 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP; 02 Oct 2017 12:49:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,470,1500966000"; d="scan'208";a="141878285" Received: from jtkirshe-desk.jf.intel.com (HELO jtkirshe-DESK.amr.corp.intel.com.com) ([134.134.177.54]) by orsmga002.jf.intel.com with ESMTP; 02 Oct 2017 12:49:12 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Scott Peterson , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher Subject: [net-next 15/15] i40e: Stop dropping 802.1ad tags - eth proto 0x88a8 Date: Mon, 2 Oct 2017 12:48:52 -0700 Message-Id: <20171002194852.71970-16-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> References: <20171002194852.71970-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Scott Peterson Enable i40e to pass traffic with VLAN tags using the 802.1ad ethernet protocol ID (0x88a8). This requires NIC firmware providing version 1.7 of the API. With older NIC firmware 802.1ad tagged packets will continue to be dropped. No VLAN offloads nor RSS are supported for 802.1ad VLANs. Signed-off-by: Scott Peterson Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_adminq.c | 6 ++++++ drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h | 17 ++++++++++++++++- drivers/net/ethernet/intel/i40e/i40e_common.c | 6 +++++- drivers/net/ethernet/intel/i40e/i40e_main.c | 7 +++++++ drivers/net/ethernet/intel/i40e/i40e_type.h | 6 ++++++ drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h | 17 ++++++++++++++++- drivers/net/ethernet/intel/i40evf/i40e_type.h | 6 ++++++ 7 files changed, 62 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 08f63226105a..9dcb2a961197 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -613,6 +613,12 @@ i40e_status i40e_init_adminq(struct i40e_hw *hw) hw->flags |= I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE; } + /* The ability to RX (not drop) 802.1ad frames was added in API 1.7 */ + if (hw->aq.api_maj_ver > 1 || + (hw->aq.api_maj_ver == 1 && + hw->aq.api_min_ver >= 7)) + hw->flags |= I40E_HW_FLAG_802_1AD_CAPABLE; + if (hw->aq.api_maj_ver > I40E_FW_API_VERSION_MAJOR) { ret_code = I40E_ERR_FIRMWARE_API_VERSION; goto init_adminq_free_arq; diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h index ed7bbe14bc6e..4c85ea9cd89a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h @@ -775,7 +775,22 @@ struct i40e_aqc_set_switch_config { #define I40E_AQ_SET_SWITCH_CFG_PROMISC 0x0001 #define I40E_AQ_SET_SWITCH_CFG_L2_FILTER 0x0002 __le16 valid_flags; - u8 reserved[12]; + /* The ethertype in switch_tag is dropped on ingress and used + * internally by the switch. Set this to zero for the default + * of 0x88a8 (802.1ad). Should be zero for firmware API + * versions lower than 1.7. + */ + __le16 switch_tag; + /* The ethertypes in first_tag and second_tag are used to + * match the outer and inner VLAN tags (respectively) when HW + * double VLAN tagging is enabled via the set port parameters + * AQ command. Otherwise these are both ignored. Set them to + * zero for their defaults of 0x8100 (802.1Q). Should be zero + * for firmware API versions lower than 1.7. + */ + __le16 first_tag; + __le16 second_tag; + u8 reserved[6]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_set_switch_config); diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index a4838779de5d..60542beda7ad 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -2402,7 +2402,11 @@ enum i40e_status_code i40e_aq_set_switch_config(struct i40e_hw *hw, i40e_aqc_opc_set_switch_config); scfg->flags = cpu_to_le16(flags); scfg->valid_flags = cpu_to_le16(valid_flags); - + if (hw->flags & I40E_HW_FLAG_802_1AD_CAPABLE) { + scfg->switch_tag = cpu_to_le16(hw->switch_tag); + scfg->first_tag = cpu_to_le16(hw->first_tag); + scfg->second_tag = cpu_to_le16(hw->second_tag); + } status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); return status; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 387f0863f794..3f9e89b054ec 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11361,6 +11361,13 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw->bus.bus_id = pdev->bus->number; pf->instance = pfs_found; + /* Select something other than the 802.1ad ethertype for the + * switch to use internally and drop on ingress. + */ + hw->switch_tag = 0xffff; + hw->first_tag = ETH_P_8021AD; + hw->second_tag = ETH_P_8021Q; + INIT_LIST_HEAD(&pf->l3_flex_pit_list); INIT_LIST_HEAD(&pf->l4_flex_pit_list); diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h index 8b0b9f826b7f..4b32b1d38a66 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_type.h +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h @@ -610,9 +610,15 @@ struct i40e_hw { struct i40e_dcbx_config desired_dcbx_config; /* CEE Desired Cfg */ #define I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE BIT_ULL(0) +#define I40E_HW_FLAG_802_1AD_CAPABLE BIT_ULL(1) #define I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE BIT_ULL(2) u64 flags; + /* Used in set switch config AQ command */ + u16 switch_tag; + u16 first_tag; + u16 second_tag; + /* debug mask */ u32 debug_mask; char err_str[16]; diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h index eee7ece42b39..ed5602f4bbcd 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h @@ -771,7 +771,22 @@ struct i40e_aqc_set_switch_config { #define I40E_AQ_SET_SWITCH_CFG_PROMISC 0x0001 #define I40E_AQ_SET_SWITCH_CFG_L2_FILTER 0x0002 __le16 valid_flags; - u8 reserved[12]; + /* The ethertype in switch_tag is dropped on ingress and used + * internally by the switch. Set this to zero for the default + * of 0x88a8 (802.1ad). Should be zero for firmware API + * versions lower than 1.7. + */ + __le16 switch_tag; + /* The ethertypes in first_tag and second_tag are used to + * match the outer and inner VLAN tags (respectively) when HW + * double VLAN tagging is enabled via the set port parameters + * AQ command. Otherwise these are both ignored. Set them to + * zero for their defaults of 0x8100 (802.1Q). Should be zero + * for firmware API versions lower than 1.7. + */ + __le16 first_tag; + __le16 second_tag; + u8 reserved[6]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_set_switch_config); diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h index 48eacf5e73e4..9364b67fff9c 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_type.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h @@ -568,6 +568,7 @@ struct i40e_hw { /* LLDP/DCBX Status */ u16 dcbx_status; +#define I40E_HW_FLAG_802_1AD_CAPABLE BIT_ULL(1) #define I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE BIT_ULL(2) /* DCBX info */ @@ -575,6 +576,11 @@ struct i40e_hw { struct i40e_dcbx_config remote_dcbx_config; /* Peer Cfg */ struct i40e_dcbx_config desired_dcbx_config; /* CEE Desired Cfg */ + /* Used in set switch config AQ command */ + u16 switch_tag; + u16 first_tag; + u16 second_tag; + /* debug mask */ u32 debug_mask; char err_str[16];