From patchwork Thu Nov 12 03:33:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398705 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWrDc0vllz9sPB for ; Thu, 12 Nov 2020 16:45:52 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727047AbgKLFcm (ORCPT ); Thu, 12 Nov 2020 00:32:42 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7481 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728155AbgKLDdO (ORCPT ); Wed, 11 Nov 2020 22:33:14 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN3bP5zhjTF; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:01 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 01/10] net: hns3: add support for configuring interrupt quantity limiting Date: Thu, 12 Nov 2020 11:33:09 +0800 Message-ID: <1605151998-12633-2-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org QL(quantity limiting) means that hardware supports the interrupt coalesce based on the frame quantity. QL can be configured when int_ql_max in device's specification is non-zero, so add support to configure it. Also, rename two coalesce init function to fit their purpose. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 65 ++++++++++++++++------ drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 13 ++++- drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 43 +++++++++++++- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 1 + .../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 1 + 5 files changed, 105 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index a362516..6e08719 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -237,35 +237,68 @@ void hns3_set_vector_coalesce_tx_gl(struct hns3_enet_tqp_vector *tqp_vector, writel(tx_gl_reg, tqp_vector->mask_addr + HNS3_VECTOR_GL1_OFFSET); } -static void hns3_vector_gl_rl_init(struct hns3_enet_tqp_vector *tqp_vector, - struct hns3_nic_priv *priv) +void hns3_set_vector_coalesce_tx_ql(struct hns3_enet_tqp_vector *tqp_vector, + u32 ql_value) { + writel(ql_value, tqp_vector->mask_addr + HNS3_VECTOR_TX_QL_OFFSET); +} + +void hns3_set_vector_coalesce_rx_ql(struct hns3_enet_tqp_vector *tqp_vector, + u32 ql_value) +{ + writel(ql_value, tqp_vector->mask_addr + HNS3_VECTOR_RX_QL_OFFSET); +} + +static void hns3_vector_coalesce_init(struct hns3_enet_tqp_vector *tqp_vector, + struct hns3_nic_priv *priv) +{ + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev); + struct hns3_enet_coalesce *tx_coal = &tqp_vector->tx_group.coal; + struct hns3_enet_coalesce *rx_coal = &tqp_vector->rx_group.coal; + /* initialize the configuration for interrupt coalescing. * 1. GL (Interrupt Gap Limiter) * 2. RL (Interrupt Rate Limiter) + * 3. QL (Interrupt Quantity Limiter) * * Default: enable interrupt coalescing self-adaptive and GL */ - tqp_vector->tx_group.coal.gl_adapt_enable = 1; - tqp_vector->rx_group.coal.gl_adapt_enable = 1; + tx_coal->gl_adapt_enable = 1; + rx_coal->gl_adapt_enable = 1; + + tx_coal->int_gl = HNS3_INT_GL_50K; + rx_coal->int_gl = HNS3_INT_GL_50K; - tqp_vector->tx_group.coal.int_gl = HNS3_INT_GL_50K; - tqp_vector->rx_group.coal.int_gl = HNS3_INT_GL_50K; + rx_coal->flow_level = HNS3_FLOW_LOW; + tx_coal->flow_level = HNS3_FLOW_LOW; - tqp_vector->rx_group.coal.flow_level = HNS3_FLOW_LOW; - tqp_vector->tx_group.coal.flow_level = HNS3_FLOW_LOW; + if (ae_dev->dev_specs.int_ql_max) { + tx_coal->ql_enable = 1; + rx_coal->ql_enable = 1; + tx_coal->int_ql_max = ae_dev->dev_specs.int_ql_max; + rx_coal->int_ql_max = ae_dev->dev_specs.int_ql_max; + tx_coal->int_ql = HNS3_INT_QL_DEFAULT_CFG; + rx_coal->int_ql = HNS3_INT_QL_DEFAULT_CFG; + } } -static void hns3_vector_gl_rl_init_hw(struct hns3_enet_tqp_vector *tqp_vector, - struct hns3_nic_priv *priv) +static void +hns3_vector_coalesce_init_hw(struct hns3_enet_tqp_vector *tqp_vector, + struct hns3_nic_priv *priv) { + struct hns3_enet_coalesce *tx_coal = &tqp_vector->tx_group.coal; + struct hns3_enet_coalesce *rx_coal = &tqp_vector->rx_group.coal; struct hnae3_handle *h = priv->ae_handle; - hns3_set_vector_coalesce_tx_gl(tqp_vector, - tqp_vector->tx_group.coal.int_gl); - hns3_set_vector_coalesce_rx_gl(tqp_vector, - tqp_vector->rx_group.coal.int_gl); + hns3_set_vector_coalesce_tx_gl(tqp_vector, tx_coal->int_gl); + hns3_set_vector_coalesce_rx_gl(tqp_vector, rx_coal->int_gl); hns3_set_vector_coalesce_rl(tqp_vector, h->kinfo.int_rl_setting); + + if (tx_coal->ql_enable) + hns3_set_vector_coalesce_tx_ql(tqp_vector, tx_coal->int_ql); + + if (rx_coal->ql_enable) + hns3_set_vector_coalesce_rx_ql(tqp_vector, rx_coal->int_ql); } static int hns3_nic_set_real_num_queue(struct net_device *netdev) @@ -3536,7 +3569,7 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv) for (i = 0; i < priv->vector_num; i++) { tqp_vector = &priv->tqp_vector[i]; - hns3_vector_gl_rl_init_hw(tqp_vector, priv); + hns3_vector_coalesce_init_hw(tqp_vector, priv); tqp_vector->num_tqps = 0; } @@ -3632,7 +3665,7 @@ static int hns3_nic_alloc_vector_data(struct hns3_nic_priv *priv) tqp_vector->idx = i; tqp_vector->mask_addr = vector[i].io_addr; tqp_vector->vector_irq = vector[i].vector; - hns3_vector_gl_rl_init(tqp_vector, priv); + hns3_vector_coalesce_init(tqp_vector, priv); } out: diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 1c81dea..10990bd 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -181,6 +181,8 @@ enum hns3_nic_state { #define HNS3_VECTOR_GL2_OFFSET 0x300 #define HNS3_VECTOR_RL_OFFSET 0x900 #define HNS3_VECTOR_RL_EN_B 6 +#define HNS3_VECTOR_TX_QL_OFFSET 0xe00 +#define HNS3_VECTOR_RX_QL_OFFSET 0xf00 #define HNS3_RING_EN_B 0 @@ -427,9 +429,14 @@ enum hns3_flow_level_range { #define HNS3_INT_RL_MAX 0x00EC #define HNS3_INT_RL_ENABLE_MASK 0x40 +#define HNS3_INT_QL_DEFAULT_CFG 0x20 + struct hns3_enet_coalesce { u16 int_gl; - u8 gl_adapt_enable; + u16 int_ql; + u16 int_ql_max; + u8 gl_adapt_enable:1; + u8 ql_enable:1; enum hns3_flow_level_range flow_level; }; @@ -595,6 +602,10 @@ void hns3_set_vector_coalesce_tx_gl(struct hns3_enet_tqp_vector *tqp_vector, u32 gl_value); void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector, u32 rl_value); +void hns3_set_vector_coalesce_rx_ql(struct hns3_enet_tqp_vector *tqp_vector, + u32 ql_value); +void hns3_set_vector_coalesce_tx_ql(struct hns3_enet_tqp_vector *tqp_vector, + u32 ql_value); void hns3_enable_vlan_filter(struct net_device *netdev, bool enable); void hns3_request_update_promisc_mode(struct hnae3_handle *handle); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 6b07b27..ec8f4ca 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1115,6 +1115,9 @@ static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; + cmd->tx_max_coalesced_frames = tx_vector->tx_group.coal.int_ql; + cmd->rx_max_coalesced_frames = rx_vector->rx_group.coal.int_ql; + return 0; } @@ -1188,6 +1191,29 @@ static int hns3_check_rl_coalesce_para(struct net_device *netdev, return 0; } +static int hns3_check_ql_coalesce_param(struct net_device *netdev, + struct ethtool_coalesce *cmd) +{ + struct hnae3_handle *handle = hns3_get_handle(netdev); + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); + + if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && + !ae_dev->dev_specs.int_ql_max) { + netdev_err(netdev, "coalesced frames is not supported\n"); + return -EOPNOTSUPP; + } + + if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || + cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { + netdev_err(netdev, + "invalid coalesced_frames value, range is 0-%u\n", + ae_dev->dev_specs.int_ql_max); + return -ERANGE; + } + + return 0; +} + static int hns3_check_coalesce_para(struct net_device *netdev, struct ethtool_coalesce *cmd) { @@ -1207,6 +1233,10 @@ static int hns3_check_coalesce_para(struct net_device *netdev, return ret; } + ret = hns3_check_ql_coalesce_param(netdev, cmd); + if (ret) + return ret; + if (cmd->use_adaptive_tx_coalesce == 1 || cmd->use_adaptive_rx_coalesce == 1) { netdev_info(netdev, @@ -1238,6 +1268,9 @@ static void hns3_set_coalesce_per_queue(struct net_device *netdev, tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; + tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; + rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; + hns3_set_vector_coalesce_tx_gl(tx_vector, tx_vector->tx_group.coal.int_gl); hns3_set_vector_coalesce_rx_gl(rx_vector, @@ -1245,6 +1278,13 @@ static void hns3_set_coalesce_per_queue(struct net_device *netdev, hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); + + if (tx_vector->tx_group.coal.ql_enable) + hns3_set_vector_coalesce_tx_ql(tx_vector, + tx_vector->tx_group.coal.int_ql); + if (rx_vector->rx_group.coal.ql_enable) + hns3_set_vector_coalesce_rx_ql(rx_vector, + rx_vector->rx_group.coal.int_ql); } static int hns3_set_coalesce(struct net_device *netdev, @@ -1471,7 +1511,8 @@ static int hns3_get_module_eeprom(struct net_device *netdev, #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ ETHTOOL_COALESCE_USE_ADAPTIVE | \ ETHTOOL_COALESCE_RX_USECS_HIGH | \ - ETHTOOL_COALESCE_TX_USECS_HIGH) + ETHTOOL_COALESCE_TX_USECS_HIGH | \ + ETHTOOL_COALESCE_MAX_FRAMES) static const struct ethtool_ops hns3vf_ethtool_ops = { .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 1f02640..8bcdb28 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -1379,6 +1379,7 @@ static void hclge_parse_dev_specs(struct hclge_dev *hdev, ae_dev->dev_specs.max_non_tso_bd_num = req0->max_non_tso_bd_num; ae_dev->dev_specs.rss_ind_tbl_size = le16_to_cpu(req0->rss_ind_tbl_size); + ae_dev->dev_specs.int_ql_max = le16_to_cpu(req0->int_ql_max); ae_dev->dev_specs.rss_key_size = le16_to_cpu(req0->rss_key_size); ae_dev->dev_specs.max_tm_rate = le32_to_cpu(req0->max_tm_rate); } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index c8e3fdd..8209be9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -3004,6 +3004,7 @@ static void hclgevf_parse_dev_specs(struct hclgevf_dev *hdev, ae_dev->dev_specs.max_non_tso_bd_num = req0->max_non_tso_bd_num; ae_dev->dev_specs.rss_ind_tbl_size = le16_to_cpu(req0->rss_ind_tbl_size); + ae_dev->dev_specs.int_ql_max = le16_to_cpu(req0->int_ql_max); ae_dev->dev_specs.rss_key_size = le16_to_cpu(req0->rss_key_size); } From patchwork Thu Nov 12 03:33:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398674 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWqxm4lQBz9sSn for ; Thu, 12 Nov 2020 16:33:00 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727954AbgKLFc5 (ORCPT ); Thu, 12 Nov 2020 00:32:57 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7489 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728314AbgKLDfQ (ORCPT ); Wed, 11 Nov 2020 22:35:16 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN4wlLzhjpM; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:01 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 02/10] net: hns3: add support for querying maximum value of GL Date: Thu, 12 Nov 2020 11:33:10 +0800 Message-ID: <1605151998-12633-3-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org For maintainability and compatibility, add support for querying the maximum value of GL. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 1 - drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 14 ++++++++------ drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 8 ++++++++ drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 6 ++++++ drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h | 8 ++++++++ drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 6 ++++++ 8 files changed, 38 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 912c51e..f9d4d23 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -278,6 +278,7 @@ struct hnae3_dev_specs { u16 rss_ind_tbl_size; u16 rss_key_size; u16 int_ql_max; /* max value of interrupt coalesce based on INT_QL */ + u16 max_int_gl; /* max value of interrupt coalesce based on INT_GL */ u8 max_non_tso_bd_num; /* max BD number of one non-TSO packet */ }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index dc9a857..a5ebca8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -349,6 +349,7 @@ static void hns3_dbg_dev_specs(struct hnae3_handle *h) dev_info(priv->dev, "Desc num per RX queue: %u\n", kinfo->num_rx_desc); dev_info(priv->dev, "Total number of enabled TCs: %u\n", kinfo->num_tc); dev_info(priv->dev, "MAX INT QL: %u\n", dev_specs->int_ql_max); + dev_info(priv->dev, "MAX INT GL: %u\n", dev_specs->max_int_gl); } static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 10990bd..be099dd 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -420,7 +420,6 @@ enum hns3_flow_level_range { HNS3_FLOW_ULTRA = 3, }; -#define HNS3_INT_GL_MAX 0x1FE0 #define HNS3_INT_GL_50K 0x0014 #define HNS3_INT_GL_20K 0x0032 #define HNS3_INT_GL_18K 0x0036 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index ec8f4ca..49d3061 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1130,19 +1130,21 @@ static int hns3_get_coalesce(struct net_device *netdev, static int hns3_check_gl_coalesce_para(struct net_device *netdev, struct ethtool_coalesce *cmd) { + struct hnae3_handle *handle = hns3_get_handle(netdev); + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); u32 rx_gl, tx_gl; - if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { + if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { netdev_err(netdev, - "Invalid rx-usecs value, rx-usecs range is 0-%d\n", - HNS3_INT_GL_MAX); + "invalid rx-usecs value, rx-usecs range is 0-%u\n", + ae_dev->dev_specs.max_int_gl); return -EINVAL; } - if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { + if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { netdev_err(netdev, - "Invalid tx-usecs value, tx-usecs range is 0-%d\n", - HNS3_INT_GL_MAX); + "invalid tx-usecs value, tx-usecs range is 0-%u\n", + ae_dev->dev_specs.max_int_gl); return -EINVAL; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 096e26a..5b7967c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -1103,6 +1103,14 @@ struct hclge_dev_specs_0_cmd { __le32 max_tm_rate; }; +#define HCLGE_DEF_MAX_INT_GL 0x1FE0U + +struct hclge_dev_specs_1_cmd { + __le32 rsv0; + __le16 max_int_gl; + u8 rsv1[18]; +}; + int hclge_cmd_init(struct hclge_dev *hdev); static inline void hclge_write_reg(void __iomem *base, u32 reg, u32 value) { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 8bcdb28..7102001 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -1366,6 +1366,7 @@ static void hclge_set_default_dev_specs(struct hclge_dev *hdev) ae_dev->dev_specs.rss_ind_tbl_size = HCLGE_RSS_IND_TBL_SIZE; ae_dev->dev_specs.rss_key_size = HCLGE_RSS_KEY_SIZE; ae_dev->dev_specs.max_tm_rate = HCLGE_ETHER_MAX_RATE; + ae_dev->dev_specs.max_int_gl = HCLGE_DEF_MAX_INT_GL; } static void hclge_parse_dev_specs(struct hclge_dev *hdev, @@ -1373,8 +1374,10 @@ static void hclge_parse_dev_specs(struct hclge_dev *hdev, { struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev); struct hclge_dev_specs_0_cmd *req0; + struct hclge_dev_specs_1_cmd *req1; req0 = (struct hclge_dev_specs_0_cmd *)desc[0].data; + req1 = (struct hclge_dev_specs_1_cmd *)desc[1].data; ae_dev->dev_specs.max_non_tso_bd_num = req0->max_non_tso_bd_num; ae_dev->dev_specs.rss_ind_tbl_size = @@ -1382,6 +1385,7 @@ static void hclge_parse_dev_specs(struct hclge_dev *hdev, ae_dev->dev_specs.int_ql_max = le16_to_cpu(req0->int_ql_max); ae_dev->dev_specs.rss_key_size = le16_to_cpu(req0->rss_key_size); ae_dev->dev_specs.max_tm_rate = le32_to_cpu(req0->max_tm_rate); + ae_dev->dev_specs.max_int_gl = le16_to_cpu(req1->max_int_gl); } static void hclge_check_dev_specs(struct hclge_dev *hdev) @@ -1396,6 +1400,8 @@ static void hclge_check_dev_specs(struct hclge_dev *hdev) dev_specs->rss_key_size = HCLGE_RSS_KEY_SIZE; if (!dev_specs->max_tm_rate) dev_specs->max_tm_rate = HCLGE_ETHER_MAX_RATE; + if (!dev_specs->max_int_gl) + dev_specs->max_int_gl = HCLGE_DEF_MAX_INT_GL; } static int hclge_query_dev_specs(struct hclge_dev *hdev) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h index 9460c12..f94f5d4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h @@ -285,6 +285,14 @@ struct hclgevf_dev_specs_0_cmd { u8 rsv1[5]; }; +#define HCLGEVF_DEF_MAX_INT_GL 0x1FE0U + +struct hclgevf_dev_specs_1_cmd { + __le32 rsv0; + __le16 max_int_gl; + u8 rsv1[18]; +}; + static inline void hclgevf_write_reg(void __iomem *base, u32 reg, u32 value) { writel(value, base + reg); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 8209be9..71007e7 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -2991,6 +2991,7 @@ static void hclgevf_set_default_dev_specs(struct hclgevf_dev *hdev) HCLGEVF_MAX_NON_TSO_BD_NUM; ae_dev->dev_specs.rss_ind_tbl_size = HCLGEVF_RSS_IND_TBL_SIZE; ae_dev->dev_specs.rss_key_size = HCLGEVF_RSS_KEY_SIZE; + ae_dev->dev_specs.max_int_gl = HCLGEVF_DEF_MAX_INT_GL; } static void hclgevf_parse_dev_specs(struct hclgevf_dev *hdev, @@ -2998,14 +2999,17 @@ static void hclgevf_parse_dev_specs(struct hclgevf_dev *hdev, { struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev); struct hclgevf_dev_specs_0_cmd *req0; + struct hclgevf_dev_specs_1_cmd *req1; req0 = (struct hclgevf_dev_specs_0_cmd *)desc[0].data; + req1 = (struct hclgevf_dev_specs_1_cmd *)desc[1].data; ae_dev->dev_specs.max_non_tso_bd_num = req0->max_non_tso_bd_num; ae_dev->dev_specs.rss_ind_tbl_size = le16_to_cpu(req0->rss_ind_tbl_size); ae_dev->dev_specs.int_ql_max = le16_to_cpu(req0->int_ql_max); ae_dev->dev_specs.rss_key_size = le16_to_cpu(req0->rss_key_size); + ae_dev->dev_specs.max_int_gl = le16_to_cpu(req1->max_int_gl); } static void hclgevf_check_dev_specs(struct hclgevf_dev *hdev) @@ -3018,6 +3022,8 @@ static void hclgevf_check_dev_specs(struct hclgevf_dev *hdev) dev_specs->rss_ind_tbl_size = HCLGEVF_RSS_IND_TBL_SIZE; if (!dev_specs->rss_key_size) dev_specs->rss_key_size = HCLGEVF_RSS_KEY_SIZE; + if (!dev_specs->max_int_gl) + dev_specs->max_int_gl = HCLGEVF_DEF_MAX_INT_GL; } static int hclgevf_query_dev_specs(struct hclgevf_dev *hdev) From patchwork Thu Nov 12 03:33:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398708 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWrDq06F2z9sSn for ; Thu, 12 Nov 2020 16:46:03 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727707AbgKLFce (ORCPT ); Thu, 12 Nov 2020 00:32:34 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7480 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728180AbgKLDdN (ORCPT ); Wed, 11 Nov 2020 22:33:13 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN3PRfzhjVN; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:01 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 03/10] net: hns3: add support for 1us unit GL configuration Date: Thu, 12 Nov 2020 11:33:11 +0800 Message-ID: <1605151998-12633-4-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org For device whose version is above V3(include V3), the GL configuration can set as 1us unit, so adds support for configuring this field. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 26 ++++++++++++++++++---- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 3 +++ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 6 +++++ 3 files changed, 31 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 6e08719..2813fe5 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -224,17 +224,27 @@ void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector, void hns3_set_vector_coalesce_rx_gl(struct hns3_enet_tqp_vector *tqp_vector, u32 gl_value) { - u32 rx_gl_reg = hns3_gl_usec_to_reg(gl_value); + u32 new_val; - writel(rx_gl_reg, tqp_vector->mask_addr + HNS3_VECTOR_GL0_OFFSET); + if (tqp_vector->rx_group.coal.unit_1us) + new_val = gl_value | HNS3_INT_GL_1US; + else + new_val = hns3_gl_usec_to_reg(gl_value); + + writel(new_val, tqp_vector->mask_addr + HNS3_VECTOR_GL0_OFFSET); } void hns3_set_vector_coalesce_tx_gl(struct hns3_enet_tqp_vector *tqp_vector, u32 gl_value) { - u32 tx_gl_reg = hns3_gl_usec_to_reg(gl_value); + u32 new_val; + + if (tqp_vector->tx_group.coal.unit_1us) + new_val = gl_value | HNS3_INT_GL_1US; + else + new_val = hns3_gl_usec_to_reg(gl_value); - writel(tx_gl_reg, tqp_vector->mask_addr + HNS3_VECTOR_GL1_OFFSET); + writel(new_val, tqp_vector->mask_addr + HNS3_VECTOR_GL1_OFFSET); } void hns3_set_vector_coalesce_tx_ql(struct hns3_enet_tqp_vector *tqp_vector, @@ -272,6 +282,14 @@ static void hns3_vector_coalesce_init(struct hns3_enet_tqp_vector *tqp_vector, rx_coal->flow_level = HNS3_FLOW_LOW; tx_coal->flow_level = HNS3_FLOW_LOW; + /* device version above V3(include V3), GL can configure 1us + * unit, so uses 1us unit. + */ + if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) { + tx_coal->unit_1us = 1; + rx_coal->unit_1us = 1; + } + if (ae_dev->dev_specs.int_ql_max) { tx_coal->ql_enable = 1; rx_coal->ql_enable = 1; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index be099dd..4651ad1 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -425,6 +425,8 @@ enum hns3_flow_level_range { #define HNS3_INT_GL_18K 0x0036 #define HNS3_INT_GL_8K 0x007C +#define HNS3_INT_GL_1US BIT(31) + #define HNS3_INT_RL_MAX 0x00EC #define HNS3_INT_RL_ENABLE_MASK 0x40 @@ -436,6 +438,7 @@ struct hns3_enet_coalesce { u16 int_ql_max; u8 gl_adapt_enable:1; u8 ql_enable:1; + u8 unit_1us:1; enum hns3_flow_level_range flow_level; }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 49d3061..09aa608 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1148,6 +1148,12 @@ static int hns3_check_gl_coalesce_para(struct net_device *netdev, return -EINVAL; } + /* device version above V3(include V3), GL uses 1us unit, + * so the round down is not needed. + */ + if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) + return 0; + rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); if (rx_gl != cmd->rx_coalesce_usecs) { netdev_info(netdev, From patchwork Thu Nov 12 03:33:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398706 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWrDf64sFz9sPB for ; Thu, 12 Nov 2020 16:45:54 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726510AbgKLFcj (ORCPT ); Thu, 12 Nov 2020 00:32:39 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7482 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728292AbgKLDdO (ORCPT ); Wed, 11 Nov 2020 22:33:14 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN56GLzhjqN; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:02 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 04/10] net: hns3: rename gl_adapt_enable in struct hns3_enet_coalesce Date: Thu, 12 Nov 2020 11:33:12 +0800 Message-ID: <1605151998-12633-5-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Besides GL(Gap Limiting), QL(Quantity Limiting) can be modified dynamically when DIM is supported. So rename gl_adapt_enable as adapt_enable in struct hns3_enet_coalesce. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 12 ++++++------ drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 8 ++++---- 3 files changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 2813fe5..999a2aa 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -211,8 +211,8 @@ void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector, * GL and RL(Rate Limiter) are 2 ways to acheive interrupt coalescing */ - if (rl_reg > 0 && !tqp_vector->tx_group.coal.gl_adapt_enable && - !tqp_vector->rx_group.coal.gl_adapt_enable) + if (rl_reg > 0 && !tqp_vector->tx_group.coal.adapt_enable && + !tqp_vector->rx_group.coal.adapt_enable) /* According to the hardware, the range of rl_reg is * 0-59 and the unit is 4. */ @@ -273,8 +273,8 @@ static void hns3_vector_coalesce_init(struct hns3_enet_tqp_vector *tqp_vector, * * Default: enable interrupt coalescing self-adaptive and GL */ - tx_coal->gl_adapt_enable = 1; - rx_coal->gl_adapt_enable = 1; + tx_coal->adapt_enable = 1; + rx_coal->adapt_enable = 1; tx_coal->int_gl = HNS3_INT_GL_50K; rx_coal->int_gl = HNS3_INT_GL_50K; @@ -3384,14 +3384,14 @@ static void hns3_update_new_int_gl(struct hns3_enet_tqp_vector *tqp_vector) tqp_vector->last_jiffies + msecs_to_jiffies(1000))) return; - if (rx_group->coal.gl_adapt_enable) { + if (rx_group->coal.adapt_enable) { rx_update = hns3_get_new_int_gl(rx_group); if (rx_update) hns3_set_vector_coalesce_rx_gl(tqp_vector, rx_group->coal.int_gl); } - if (tx_group->coal.gl_adapt_enable) { + if (tx_group->coal.adapt_enable) { tx_update = hns3_get_new_int_gl(tx_group); if (tx_update) hns3_set_vector_coalesce_tx_gl(tqp_vector, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 4651ad1..8d33652 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -436,7 +436,7 @@ struct hns3_enet_coalesce { u16 int_gl; u16 int_ql; u16 int_ql_max; - u8 gl_adapt_enable:1; + u8 adapt_enable:1; u8 ql_enable:1; u8 unit_1us:1; enum hns3_flow_level_range flow_level; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 09aa608..c30d5d3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1105,9 +1105,9 @@ static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, rx_vector = priv->ring[queue_num + queue].tqp_vector; cmd->use_adaptive_tx_coalesce = - tx_vector->tx_group.coal.gl_adapt_enable; + tx_vector->tx_group.coal.adapt_enable; cmd->use_adaptive_rx_coalesce = - rx_vector->rx_group.coal.gl_adapt_enable; + rx_vector->rx_group.coal.adapt_enable; cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; @@ -1268,9 +1268,9 @@ static void hns3_set_coalesce_per_queue(struct net_device *netdev, tx_vector = priv->ring[queue].tqp_vector; rx_vector = priv->ring[queue_num + queue].tqp_vector; - tx_vector->tx_group.coal.gl_adapt_enable = + tx_vector->tx_group.coal.adapt_enable = cmd->use_adaptive_tx_coalesce; - rx_vector->rx_group.coal.gl_adapt_enable = + rx_vector->rx_group.coal.adapt_enable = cmd->use_adaptive_rx_coalesce; tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; From patchwork Thu Nov 12 03:33:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398670 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWqxY4My0z9sTK for ; Thu, 12 Nov 2020 16:32:49 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727837AbgKLFcs (ORCPT ); Thu, 12 Nov 2020 00:32:48 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7486 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728307AbgKLDfP (ORCPT ); Wed, 11 Nov 2020 22:35:15 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN5GqDzhjqT; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:02 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 05/10] net: hns3: add support for dynamic interrupt moderation Date: Thu, 12 Nov 2020 11:33:13 +0800 Message-ID: <1605151998-12633-6-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add dynamic interrupt moderation support for the HNS3 driver. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/Kconfig | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 87 ++++++++++++++++++++++++- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 4 ++ 3 files changed, 91 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/Kconfig b/drivers/net/ethernet/hisilicon/Kconfig index 44f9279..fa6025d 100644 --- a/drivers/net/ethernet/hisilicon/Kconfig +++ b/drivers/net/ethernet/hisilicon/Kconfig @@ -130,6 +130,7 @@ config HNS3_ENET default m depends on 64BIT && PCI depends on INET + select DIMLIB help This selects the Ethernet Driver for Hisilicon Network Subsystem 3 for hip08 family of SoCs. This module depends upon HNAE3 driver to access the HNAE3 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 999a2aa..9e895b9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -96,6 +96,7 @@ static irqreturn_t hns3_irq_handle(int irq, void *vector) struct hns3_enet_tqp_vector *tqp_vector = vector; napi_schedule_irqoff(&tqp_vector->napi); + tqp_vector->event_cnt++; return IRQ_HANDLED; } @@ -199,6 +200,8 @@ static void hns3_vector_disable(struct hns3_enet_tqp_vector *tqp_vector) disable_irq(tqp_vector->vector_irq); napi_disable(&tqp_vector->napi); + cancel_work_sync(&tqp_vector->rx_group.dim.work); + cancel_work_sync(&tqp_vector->tx_group.dim.work); } void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector, @@ -3401,6 +3404,32 @@ static void hns3_update_new_int_gl(struct hns3_enet_tqp_vector *tqp_vector) tqp_vector->last_jiffies = jiffies; } +static void hns3_update_rx_int_coalesce(struct hns3_enet_tqp_vector *tqp_vector) +{ + struct hns3_enet_ring_group *rx_group = &tqp_vector->rx_group; + struct dim_sample sample = {}; + + if (!rx_group->coal.adapt_enable) + return; + + dim_update_sample(tqp_vector->event_cnt, rx_group->total_packets, + rx_group->total_bytes, &sample); + net_dim(&rx_group->dim, sample); +} + +static void hns3_update_tx_int_coalesce(struct hns3_enet_tqp_vector *tqp_vector) +{ + struct hns3_enet_ring_group *tx_group = &tqp_vector->tx_group; + struct dim_sample sample = {}; + + if (!tx_group->coal.adapt_enable) + return; + + dim_update_sample(tqp_vector->event_cnt, tx_group->total_packets, + tx_group->total_bytes, &sample); + net_dim(&tx_group->dim, sample); +} + static int hns3_nic_common_poll(struct napi_struct *napi, int budget) { struct hns3_nic_priv *priv = netdev_priv(napi->dev); @@ -3444,7 +3473,13 @@ static int hns3_nic_common_poll(struct napi_struct *napi, int budget) if (napi_complete(napi) && likely(!test_bit(HNS3_NIC_STATE_DOWN, &priv->state))) { - hns3_update_new_int_gl(tqp_vector); + if (test_bit(HNS3_NIC_STATE_DIM_ENABLE, &priv->state)) { + hns3_update_rx_int_coalesce(tqp_vector); + hns3_update_tx_int_coalesce(tqp_vector); + } else { + hns3_update_new_int_gl(tqp_vector); + } + hns3_mask_vector_irq(tqp_vector, 1); } @@ -3575,6 +3610,54 @@ static void hns3_nic_set_cpumask(struct hns3_nic_priv *priv) } } +static void hns3_rx_dim_work(struct work_struct *work) +{ + struct dim *dim = container_of(work, struct dim, work); + struct hns3_enet_ring_group *group = container_of(dim, + struct hns3_enet_ring_group, dim); + struct hns3_enet_tqp_vector *tqp_vector = group->ring->tqp_vector; + struct dim_cq_moder cur_moder = + net_dim_get_rx_moderation(dim->mode, dim->profile_ix); + + hns3_set_vector_coalesce_rx_gl(group->ring->tqp_vector, cur_moder.usec); + tqp_vector->rx_group.coal.int_gl = cur_moder.usec; + + if (cur_moder.pkts < tqp_vector->rx_group.coal.int_ql_max) { + hns3_set_vector_coalesce_rx_ql(tqp_vector, cur_moder.pkts); + tqp_vector->rx_group.coal.int_ql = cur_moder.pkts; + } + + dim->state = DIM_START_MEASURE; +} + +static void hns3_tx_dim_work(struct work_struct *work) +{ + struct dim *dim = container_of(work, struct dim, work); + struct hns3_enet_ring_group *group = container_of(dim, + struct hns3_enet_ring_group, dim); + struct hns3_enet_tqp_vector *tqp_vector = group->ring->tqp_vector; + struct dim_cq_moder cur_moder = + net_dim_get_tx_moderation(dim->mode, dim->profile_ix); + + hns3_set_vector_coalesce_tx_gl(tqp_vector, cur_moder.usec); + tqp_vector->tx_group.coal.int_gl = cur_moder.usec; + + if (cur_moder.pkts < tqp_vector->tx_group.coal.int_ql_max) { + hns3_set_vector_coalesce_tx_ql(tqp_vector, cur_moder.pkts); + tqp_vector->tx_group.coal.int_ql = cur_moder.pkts; + } + + dim->state = DIM_START_MEASURE; +} + +static void hns3_nic_init_dim(struct hns3_enet_tqp_vector *tqp_vector) +{ + INIT_WORK(&tqp_vector->rx_group.dim.work, hns3_rx_dim_work); + tqp_vector->rx_group.dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; + INIT_WORK(&tqp_vector->tx_group.dim.work, hns3_tx_dim_work); + tqp_vector->tx_group.dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; +} + static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv) { struct hnae3_ring_chain_node vector_ring_chain; @@ -3589,6 +3672,7 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv) tqp_vector = &priv->tqp_vector[i]; hns3_vector_coalesce_init_hw(tqp_vector, priv); tqp_vector->num_tqps = 0; + hns3_nic_init_dim(tqp_vector); } for (i = 0; i < h->kinfo.num_tqps; i++) { @@ -4161,6 +4245,7 @@ static int hns3_client_init(struct hnae3_handle *handle) netdev->max_mtu = HNS3_MAX_MTU; set_bit(HNS3_NIC_STATE_INITED, &priv->state); + set_bit(HNS3_NIC_STATE_DIM_ENABLE, &priv->state); if (netif_msg_drv(handle)) hns3_info_show(priv); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 8d33652..eb4e7ef 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -4,6 +4,7 @@ #ifndef __HNS3_ENET_H #define __HNS3_ENET_H +#include #include #include "hnae3.h" @@ -18,6 +19,7 @@ enum hns3_nic_state { HNS3_NIC_STATE_SERVICE_INITED, HNS3_NIC_STATE_SERVICE_SCHED, HNS3_NIC_STATE2_RESET_REQUESTED, + HNS3_NIC_STATE_DIM_ENABLE, HNS3_NIC_STATE_MAX }; @@ -449,6 +451,7 @@ struct hns3_enet_ring_group { u64 total_packets; /* total packets processed this group */ u16 count; struct hns3_enet_coalesce coal; + struct dim dim; }; struct hns3_enet_tqp_vector { @@ -471,6 +474,7 @@ struct hns3_enet_tqp_vector { char name[HNAE3_INT_NAME_LEN]; unsigned long last_jiffies; + u64 event_cnt; } ____cacheline_internodealigned_in_smp; struct hns3_nic_priv { From patchwork Thu Nov 12 03:33:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398698 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWrCW4Zk5z9sTK for ; Thu, 12 Nov 2020 16:44:55 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727981AbgKLFdB (ORCPT ); Thu, 12 Nov 2020 00:33:01 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7487 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728322AbgKLDfT (ORCPT ); Wed, 11 Nov 2020 22:35:19 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN45ywzhjjL; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:02 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 06/10] net: hns3: add ethtool priv-flag for DIM Date: Thu, 12 Nov 2020 11:33:14 +0800 Message-ID: <1605151998-12633-7-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add a control private flag in ethtool for enable/disable DIM feature. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 7 +++ drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 71 ++++++++++++++++++++++ 3 files changed, 79 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index f9d4d23..18b3e43 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -716,6 +716,11 @@ struct hnae3_roce_private_info { #define HNAE3_UPE (HNAE3_USER_UPE | HNAE3_OVERFLOW_UPE) #define HNAE3_MPE (HNAE3_USER_MPE | HNAE3_OVERFLOW_MPE) +enum hnae3_pflag { + HNAE3_PFLAG_DIM_ENABLE, + HNAE3_PFLAG_MAX +}; + struct hnae3_handle { struct hnae3_client *client; struct pci_dev *pdev; @@ -738,6 +743,8 @@ struct hnae3_handle { /* Network interface message level enabled bits */ u32 msg_enable; + + unsigned long priv_flags; }; #define hnae3_set_field(origin, mask, shift, val) \ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 9e895b9..a567557 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -4246,6 +4246,7 @@ static int hns3_client_init(struct hnae3_handle *handle) set_bit(HNS3_NIC_STATE_INITED, &priv->state); set_bit(HNS3_NIC_STATE_DIM_ENABLE, &priv->state); + handle->priv_flags |= BIT(HNAE3_PFLAG_DIM_ENABLE); if (netif_msg_drv(handle)) hns3_info_show(priv); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index c30d5d3..e8adc70 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -18,6 +18,11 @@ struct hns3_sfp_type { u8 ext_type; }; +struct hns3_pflag_desc { + char name[ETH_GSTRING_LEN]; + void (*handler)(struct net_device *netdev, bool enable); +}; + /* tqp related stats */ #define HNS3_TQP_STAT(_string, _member) { \ .stats_string = _string, \ @@ -59,6 +64,8 @@ static const struct hns3_stats hns3_rxq_stats[] = { HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), }; +#define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags) + #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) @@ -394,6 +401,26 @@ static void hns3_self_test(struct net_device *ndev, netif_dbg(h, drv, ndev, "self test end\n"); } +static void hns3_update_state(struct net_device *netdev, + enum hns3_nic_state state, bool enable) +{ + struct hns3_nic_priv *priv = netdev_priv(netdev); + + if (enable) + set_bit(state, &priv->state); + else + clear_bit(state, &priv->state); +} + +static void hns3_update_dim_state(struct net_device *netdev, bool enable) +{ + hns3_update_state(netdev, HNS3_NIC_STATE_DIM_ENABLE, enable); +} + +static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = { + { "dim_enable", hns3_update_dim_state }, +}; + static int hns3_get_sset_count(struct net_device *netdev, int stringset) { struct hnae3_handle *h = hns3_get_handle(netdev); @@ -410,6 +437,9 @@ static int hns3_get_sset_count(struct net_device *netdev, int stringset) case ETH_SS_TEST: return ops->get_sset_count(h, stringset); + case ETH_SS_PRIV_FLAGS: + return HNAE3_PFLAG_MAX; + default: return -EOPNOTSUPP; } @@ -463,6 +493,7 @@ static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) struct hnae3_handle *h = hns3_get_handle(netdev); const struct hnae3_ae_ops *ops = h->ae_algo->ops; char *buff = (char *)data; + int i; if (!ops->get_strings) return; @@ -475,6 +506,13 @@ static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) case ETH_SS_TEST: ops->get_strings(h, stringset, data); break; + case ETH_SS_PRIV_FLAGS: + for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) { + snprintf(buff, ETH_GSTRING_LEN, "%s", + hns3_priv_flags[i].name); + buff += ETH_GSTRING_LEN; + } + break; default: break; } @@ -1516,6 +1554,35 @@ static int hns3_get_module_eeprom(struct net_device *netdev, return ops->get_module_eeprom(handle, ee->offset, ee->len, data); } +static u32 hns3_get_priv_flags(struct net_device *netdev) +{ + struct hnae3_handle *handle = hns3_get_handle(netdev); + + return handle->priv_flags; +} + +static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) +{ + struct hnae3_handle *handle = hns3_get_handle(netdev); + u32 changed = pflags ^ handle->priv_flags; + u32 i; + + for (i = 0; i < HNAE3_PFLAG_MAX; i++) { + if (changed & BIT(i)) { + bool enable = !(handle->priv_flags & BIT(i)); + + if (enable) + handle->priv_flags |= BIT(i); + else + handle->priv_flags &= ~BIT(i); + + hns3_priv_flags[i].handler(netdev, enable); + } + } + + return 0; +} + #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ ETHTOOL_COALESCE_USE_ADAPTIVE | \ ETHTOOL_COALESCE_RX_USECS_HIGH | \ @@ -1546,6 +1613,8 @@ static const struct ethtool_ops hns3vf_ethtool_ops = { .get_link = hns3_get_link, .get_msglevel = hns3_get_msglevel, .set_msglevel = hns3_set_msglevel, + .get_priv_flags = hns3_get_priv_flags, + .set_priv_flags = hns3_set_priv_flags, }; static const struct ethtool_ops hns3_ethtool_ops = { @@ -1582,6 +1651,8 @@ static const struct ethtool_ops hns3_ethtool_ops = { .set_fecparam = hns3_set_fecparam, .get_module_info = hns3_get_module_info, .get_module_eeprom = hns3_get_module_eeprom, + .get_priv_flags = hns3_get_priv_flags, + .set_priv_flags = hns3_set_priv_flags, }; void hns3_ethtool_set_ops(struct net_device *netdev) From patchwork Thu Nov 12 03:33:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398707 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWrDn1Nz2z9sSn for ; Thu, 12 Nov 2020 16:46:01 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727773AbgKLFcg (ORCPT ); Thu, 12 Nov 2020 00:32:36 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7484 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728186AbgKLDdN (ORCPT ); Wed, 11 Nov 2020 22:33:13 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN4m0Czhjp7; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:02 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 07/10] net: hns3: add hns3_state_init() to do state initialization Date: Thu, 12 Nov 2020 11:33:15 +0800 Message-ID: <1605151998-12633-8-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org To improve the readability and maintainability, add hns3_state_init() to initialize the state. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index a567557..f686723 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -4144,6 +4144,16 @@ static void hns3_info_show(struct hns3_nic_priv *priv) dev_info(priv->dev, "Max mtu size: %u\n", priv->netdev->max_mtu); } +static void hns3_state_init(struct hnae3_handle *handle) +{ + struct net_device *netdev = handle->kinfo.netdev; + struct hns3_nic_priv *priv = netdev_priv(netdev); + + set_bit(HNS3_NIC_STATE_INITED, &priv->state); + set_bit(HNS3_NIC_STATE_DIM_ENABLE, &priv->state); + handle->priv_flags |= BIT(HNAE3_PFLAG_DIM_ENABLE); +} + static int hns3_client_init(struct hnae3_handle *handle) { struct pci_dev *pdev = handle->pdev; @@ -4244,9 +4254,7 @@ static int hns3_client_init(struct hnae3_handle *handle) /* MTU range: (ETH_MIN_MTU(kernel default) - 9702) */ netdev->max_mtu = HNS3_MAX_MTU; - set_bit(HNS3_NIC_STATE_INITED, &priv->state); - set_bit(HNS3_NIC_STATE_DIM_ENABLE, &priv->state); - handle->priv_flags |= BIT(HNAE3_PFLAG_DIM_ENABLE); + hns3_state_init(handle); if (netif_msg_drv(handle)) hns3_info_show(priv); From patchwork Thu Nov 12 03:33:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398668 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWqxD3sKlz9sPB for ; Thu, 12 Nov 2020 16:32:32 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726348AbgKLFcb (ORCPT ); Thu, 12 Nov 2020 00:32:31 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7483 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728188AbgKLDdN (ORCPT ); Wed, 11 Nov 2020 22:33:13 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN3nFxzhjVl; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:02 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 08/10] net: hns3: add a check for ethtool priv-flag interface Date: Thu, 12 Nov 2020 11:33:16 +0800 Message-ID: <1605151998-12633-9-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add a check for hns3_set_priv_flags() since if the capability is unsupported its private flags should not be modified as well. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 19 +++++++++++++++++++ 3 files changed, 21 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 18b3e43..3642740 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -744,6 +744,7 @@ struct hnae3_handle { /* Network interface message level enabled bits */ u32 msg_enable; + unsigned long supported_pflags; unsigned long priv_flags; }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index f686723..c30cf9e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -4152,6 +4152,7 @@ static void hns3_state_init(struct hnae3_handle *handle) set_bit(HNS3_NIC_STATE_INITED, &priv->state); set_bit(HNS3_NIC_STATE_DIM_ENABLE, &priv->state); handle->priv_flags |= BIT(HNAE3_PFLAG_DIM_ENABLE); + set_bit(HNAE3_PFLAG_DIM_ENABLE, &handle->supported_pflags); } static int hns3_client_init(struct hnae3_handle *handle) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index e8adc70..7462d43 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1561,12 +1561,31 @@ static u32 hns3_get_priv_flags(struct net_device *netdev) return handle->priv_flags; } +static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) +{ + u32 i; + + for (i = 0; i < HNAE3_PFLAG_MAX; i++) + if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { + netdev_err(h->netdev, "%s is unsupported\n", + hns3_priv_flags[i].name); + return -EOPNOTSUPP; + } + + return 0; +} + static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) { struct hnae3_handle *handle = hns3_get_handle(netdev); u32 changed = pflags ^ handle->priv_flags; + int ret; u32 i; + ret = hns3_check_priv_flags(handle, changed); + if (ret) + return ret; + for (i = 0; i < HNAE3_PFLAG_MAX; i++) { if (changed & BIT(i)) { bool enable = !(handle->priv_flags & BIT(i)); From patchwork Thu Nov 12 03:33:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398699 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWrD629vvz9sSn for ; Thu, 12 Nov 2020 16:45:26 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727931AbgKLFcz (ORCPT ); Thu, 12 Nov 2020 00:32:55 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7488 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728299AbgKLDfP (ORCPT ); Wed, 11 Nov 2020 22:35:15 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN3xCpzhjdx; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:03 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 09/10] net: hns3: add support for EQ/CQ mode configuration Date: Thu, 12 Nov 2020 11:33:17 +0800 Message-ID: <1605151998-12633-10-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org For device whose version is above V3(include V3), the GL can select EQ or CQ mode, so adds support for it. In CQ mode, the coalesced timer will restart when the first new completion occurs, while in EQ mode, the timer will not restart. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 49 +++++++++++++++++++++- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 8 ++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 1 + .../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 1 + 5 files changed, 58 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 3642740..345e8a4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -684,6 +684,7 @@ struct hnae3_knic_private_info { u16 int_rl_setting; enum pkt_hash_types rss_type; + void __iomem *io_base; }; struct hnae3_roce_private_info { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index c30cf9e..d1243ea 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -3653,9 +3653,7 @@ static void hns3_tx_dim_work(struct work_struct *work) static void hns3_nic_init_dim(struct hns3_enet_tqp_vector *tqp_vector) { INIT_WORK(&tqp_vector->rx_group.dim.work, hns3_rx_dim_work); - tqp_vector->rx_group.dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; INIT_WORK(&tqp_vector->tx_group.dim.work, hns3_tx_dim_work); - tqp_vector->tx_group.dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; } static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv) @@ -4155,6 +4153,48 @@ static void hns3_state_init(struct hnae3_handle *handle) set_bit(HNAE3_PFLAG_DIM_ENABLE, &handle->supported_pflags); } +static void hns3_set_cq_period_mode(struct hns3_nic_priv *priv, + enum dim_cq_period_mode mode, bool is_tx) +{ + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev); + struct hnae3_handle *handle = priv->ae_handle; + int i; + + if (is_tx) { + priv->tx_cqe_mode = mode; + + for (i = 0; i < priv->vector_num; i++) + priv->tqp_vector[i].tx_group.dim.mode = mode; + } else { + priv->rx_cqe_mode = mode; + + for (i = 0; i < priv->vector_num; i++) + priv->tqp_vector[i].rx_group.dim.mode = mode; + } + + /* only device version above V3(include V3), GL can switch CQ/EQ + * period mode. + */ + if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) { + u32 new_mode; + u64 reg; + + new_mode = (mode == DIM_CQ_PERIOD_MODE_START_FROM_CQE) ? + HNS3_CQ_MODE_CQE : HNS3_CQ_MODE_EQE; + reg = is_tx ? HNS3_GL1_CQ_MODE_REG : HNS3_GL0_CQ_MODE_REG; + + writel(new_mode, handle->kinfo.io_base + reg); + } +} + +static void hns3_cq_period_mode_init(struct hns3_nic_priv *priv, + enum dim_cq_period_mode tx_mode, + enum dim_cq_period_mode rx_mode) +{ + hns3_set_cq_period_mode(priv, tx_mode, true); + hns3_set_cq_period_mode(priv, rx_mode, false); +} + static int hns3_client_init(struct hnae3_handle *handle) { struct pci_dev *pdev = handle->pdev; @@ -4220,6 +4260,9 @@ static int hns3_client_init(struct hnae3_handle *handle) goto out_init_ring; } + hns3_cq_period_mode_init(priv, DIM_CQ_PERIOD_MODE_START_FROM_EQE, + DIM_CQ_PERIOD_MODE_START_FROM_EQE); + ret = hns3_init_phy(netdev); if (ret) goto out_init_phy; @@ -4580,6 +4623,8 @@ static int hns3_reset_notify_init_enet(struct hnae3_handle *handle) if (ret) goto err_uninit_vector; + hns3_cq_period_mode_init(priv, priv->tx_cqe_mode, priv->rx_cqe_mode); + /* the device can work without cpu rmap, only aRFS needs it */ ret = hns3_set_rx_cpu_rmap(netdev); if (ret) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index eb4e7ef..c6c082a 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -188,6 +188,12 @@ enum hns3_nic_state { #define HNS3_RING_EN_B 0 +#define HNS3_GL0_CQ_MODE_REG 0x20d00 +#define HNS3_GL1_CQ_MODE_REG 0x20d04 +#define HNS3_GL2_CQ_MODE_REG 0x20d08 +#define HNS3_CQ_MODE_EQE 1U +#define HNS3_CQ_MODE_CQE 0U + enum hns3_pkt_l2t_type { HNS3_L2_TYPE_UNICAST, HNS3_L2_TYPE_MULTICAST, @@ -495,6 +501,8 @@ struct hns3_nic_priv { unsigned long state; + enum dim_cq_period_mode tx_cqe_mode; + enum dim_cq_period_mode rx_cqe_mode; struct hns3_enet_coalesce tx_coal; struct hns3_enet_coalesce rx_coal; }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 7102001..0573e68 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -1738,6 +1738,7 @@ static int hclge_vport_setup(struct hclge_vport *vport, u16 num_tqps) nic->pdev = hdev->pdev; nic->ae_algo = &ae_algo; nic->numa_node_mask = hdev->numa_node_mask; + nic->kinfo.io_base = hdev->hw.io_base; ret = hclge_knic_setup(vport, num_tqps, hdev->num_tx_desc, hdev->num_rx_desc); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 71007e7..b628e52 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -515,6 +515,7 @@ static int hclgevf_set_handle_info(struct hclgevf_dev *hdev) nic->pdev = hdev->pdev; nic->numa_node_mask = hdev->numa_node_mask; nic->flags |= HNAE3_SUPPORT_VF; + nic->kinfo.io_base = hdev->hw.io_base; ret = hclgevf_knic_setup(hdev); if (ret) From patchwork Thu Nov 12 03:33:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tanhuazhong X-Patchwork-Id: 1398671 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CWqxf5HBsz9sTv for ; Thu, 12 Nov 2020 16:32:54 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727900AbgKLFcw (ORCPT ); Thu, 12 Nov 2020 00:32:52 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7485 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728302AbgKLDfP (ORCPT ); Wed, 11 Nov 2020 22:35:15 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CWnHN4bXnzhjlw; Thu, 12 Nov 2020 11:33:04 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 11:33:03 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH V3 net-next 10/10] net: hns3: add ethtool priv-flag for EQ/CQ Date: Thu, 12 Nov 2020 11:33:18 +0800 Message-ID: <1605151998-12633-11-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> References: <1605151998-12633-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add a control private flag in ethtool for switching EQ/CQ mode. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 ++ drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 19 +++++++++++++++-- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 2 ++ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 24 ++++++++++++++++++++++ 4 files changed, 45 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 345e8a4..a452874 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -719,6 +719,8 @@ struct hnae3_roce_private_info { enum hnae3_pflag { HNAE3_PFLAG_DIM_ENABLE, + HNAE3_PFLAG_TX_CQE_MODE, + HNAE3_PFLAG_RX_CQE_MODE, HNAE3_PFLAG_MAX }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index d1243ea..93f7731 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -4144,6 +4144,7 @@ static void hns3_info_show(struct hns3_nic_priv *priv) static void hns3_state_init(struct hnae3_handle *handle) { + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); struct net_device *netdev = handle->kinfo.netdev; struct hns3_nic_priv *priv = netdev_priv(netdev); @@ -4151,10 +4152,24 @@ static void hns3_state_init(struct hnae3_handle *handle) set_bit(HNS3_NIC_STATE_DIM_ENABLE, &priv->state); handle->priv_flags |= BIT(HNAE3_PFLAG_DIM_ENABLE); set_bit(HNAE3_PFLAG_DIM_ENABLE, &handle->supported_pflags); + + /* device version above V3(include V3), GL can switch CQ/EQ period + * mode. + */ + if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) { + set_bit(HNAE3_PFLAG_TX_CQE_MODE, &handle->supported_pflags); + set_bit(HNAE3_PFLAG_RX_CQE_MODE, &handle->supported_pflags); + } + + if (priv->tx_cqe_mode == DIM_CQ_PERIOD_MODE_START_FROM_CQE) + handle->priv_flags |= BIT(HNAE3_PFLAG_TX_CQE_MODE); + + if (priv->rx_cqe_mode == DIM_CQ_PERIOD_MODE_START_FROM_CQE) + handle->priv_flags |= BIT(HNAE3_PFLAG_RX_CQE_MODE); } -static void hns3_set_cq_period_mode(struct hns3_nic_priv *priv, - enum dim_cq_period_mode mode, bool is_tx) +void hns3_set_cq_period_mode(struct hns3_nic_priv *priv, + enum dim_cq_period_mode mode, bool is_tx) { struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev); struct hnae3_handle *handle = priv->ae_handle; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index c6c082a..ecdb544 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -635,4 +635,6 @@ void hns3_dbg_uninit(struct hnae3_handle *handle); void hns3_dbg_register_debugfs(const char *debugfs_dir_name); void hns3_dbg_unregister_debugfs(void); void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size); +void hns3_set_cq_period_mode(struct hns3_nic_priv *priv, + enum dim_cq_period_mode mode, bool is_tx); #endif diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 7462d43..ba9c0fe 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -417,8 +417,32 @@ static void hns3_update_dim_state(struct net_device *netdev, bool enable) hns3_update_state(netdev, HNS3_NIC_STATE_DIM_ENABLE, enable); } +static void hns3_update_cqe_mode(struct net_device *netdev, bool enable, + bool is_tx) +{ + struct hns3_nic_priv *priv = netdev_priv(netdev); + enum dim_cq_period_mode mode; + + mode = enable ? DIM_CQ_PERIOD_MODE_START_FROM_CQE : + DIM_CQ_PERIOD_MODE_START_FROM_EQE; + + hns3_set_cq_period_mode(priv, mode, is_tx); +} + +static void hns3_update_tx_cqe_mode(struct net_device *netdev, bool enable) +{ + hns3_update_cqe_mode(netdev, enable, true); +} + +static void hns3_update_rx_cqe_mode(struct net_device *netdev, bool enable) +{ + hns3_update_cqe_mode(netdev, enable, false); +} + static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = { { "dim_enable", hns3_update_dim_state }, + { "tx_cqe_mode", hns3_update_tx_cqe_mode }, + { "rx_cqe_mode", hns3_update_rx_cqe_mode }, }; static int hns3_get_sset_count(struct net_device *netdev, int stringset)