From patchwork Tue Nov 13 10:13:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Salil Mehta X-Patchwork-Id: 150953 Delivered-To: patch@linaro.org Received: by 2002:a2e:299d:0:0:0:0:0 with SMTP id p29-v6csp4213550ljp; Tue, 13 Nov 2018 02:14:26 -0800 (PST) X-Google-Smtp-Source: AJdET5cbi/zQjXbNvwIFIxhxxhG2D++7DvvT5ajXypcVbUpQYO9dO0DlaCWTg3ZOva3sbZUAFypp X-Received: by 2002:aa7:804e:: with SMTP id y14-v6mr4415867pfm.73.1542104066826; Tue, 13 Nov 2018 02:14:26 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1542104066; cv=none; d=google.com; s=arc-20160816; b=QK7ap+mueycVDD2NVFZBFRM6je2Rj4X4KWik59bGkzH/wuLMFl6SaOJ0jK1ofgtBu4 ewlmMmVpQeSCqXNWmGwlT6YPj1F82LxY65TVzfU+ywSuThlX6foBciQPqwKKFu17lwFr FOh9oU09yCbQtTWUPjn6Ih01j5Ftak99ouaH7A1Z9/NNS1mPHNEbOZGIqNiREzl+1pfC yWT3lxAvb/dpJkHUpn/K+M3igX3BSHfw70a2+G49dIzVJrFyHZ+nvcPTMr9IYfRozy5e EIhMGLP1LoU6tE2F6NmG8FHjCD6YsNRdBKa/4u3nm3k8TCLDKJLNpd9k+ciaZx/l3LoA tOzA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=k0t0o6cttUrsR4HT3DmNBbQoH4rdEI/8osKG7Tpi8eQ=; b=FmRZbStBUjwneADqJ+qU6hrmFsJj1eMARE54uE7cNnE7d5FIfhmtpx/a1Abe8vqgCi ibGJgGOO5wrsvrO6/vIuxyQSLMNfg1JlA96JBQbrt3j7pOFHYYTnxKANnn0kCCduz3KK HVoydz7y6mwT35g3xtpxwYvmJokVyCyxf5R5RKi2fWnjbXvFwruKErSqtzwof9pbwNl8 5WYV4zsBet53IhrQSsTbtSGE5/8luHKOC+02snGkfjBzvKykfdIcz5SEJl2BAyy1++GE L8r1SAx4atpzATd3FMFWzDNFEnvEtGtB7YIE8VQnRDkSPCpvThL1BAhVgr9IHoXpN24x MmIA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x3si18873890pgf.453.2018.11.13.02.14.26; Tue, 13 Nov 2018 02:14:26 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732127AbeKMULt (ORCPT + 32 others); Tue, 13 Nov 2018 15:11:49 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:54030 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731878AbeKMULs (ORCPT ); Tue, 13 Nov 2018 15:11:48 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id D784A7E3579C3; Tue, 13 Nov 2018 18:14:20 +0800 (CST) Received: from S00293818-DELL1.china.huawei.com (10.47.86.21) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.408.0; Tue, 13 Nov 2018 18:14:12 +0800 From: Salil Mehta To: CC: , , , , , , , Subject: [PATCH net-next 1/5] net: hns3: Enable HW GRO for Rev B(=0x21) HNS3 hardware Date: Tue, 13 Nov 2018 10:13:03 +0000 Message-ID: <20181113101307.6020-2-salil.mehta@huawei.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20181113101307.6020-1-salil.mehta@huawei.com> References: <20181113101307.6020-1-salil.mehta@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.47.86.21] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peng Li HNS3 hardware Revision B(=0x21) supports Hardware GRO feature. This patch enables this feature in the HNS3 PF/VF driver. Signed-off-by: Peng Li Signed-off-by: Salil Mehta --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 4 ++ .../net/ethernet/hisilicon/hns3/hns3_enet.c | 4 +- .../hisilicon/hns3/hns3pf/hclge_cmd.h | 7 ++++ .../hisilicon/hns3/hns3pf/hclge_main.c | 36 ++++++++++++++++++ .../hisilicon/hns3/hns3vf/hclgevf_cmd.h | 8 ++++ .../hisilicon/hns3/hns3vf/hclgevf_main.c | 37 +++++++++++++++++++ 6 files changed, 95 insertions(+), 1 deletion(-) -- 2.17.1 diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index f69d39f17bdd..21d934b7a2a3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -52,6 +52,7 @@ #define HNAE3_UNIC_CLIENT_INITED_B 0x4 #define HNAE3_ROCE_CLIENT_INITED_B 0x5 #define HNAE3_DEV_SUPPORT_FD_B 0x6 +#define HNAE3_DEV_SUPPORT_GRO_B 0x7 #define HNAE3_DEV_SUPPORT_ROCE_DCB_BITS (BIT(HNAE3_DEV_SUPPORT_DCB_B) |\ BIT(HNAE3_DEV_SUPPORT_ROCE_B)) @@ -65,6 +66,9 @@ #define hnae3_dev_fd_supported(hdev) \ hnae3_get_bit((hdev)->ae_dev->flag, HNAE3_DEV_SUPPORT_FD_B) +#define hnae3_dev_gro_supported(hdev) \ + hnae3_get_bit((hdev)->ae_dev->flag, HNAE3_DEV_SUPPORT_GRO_B) + #define ring_ptr_move_fw(ring, p) \ ((ring)->p = ((ring)->p + 1) % (ring)->desc_num) #define ring_ptr_move_bw(ring, p) \ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 8d07ec668d5d..a510ddfd45a5 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1714,8 +1714,10 @@ static void hns3_disable_sriov(struct pci_dev *pdev) static void hns3_get_dev_capability(struct pci_dev *pdev, struct hnae3_ae_dev *ae_dev) { - if (pdev->revision >= 0x21) + if (pdev->revision >= 0x21) { hnae3_set_bit(ae_dev->flag, HNAE3_DEV_SUPPORT_FD_B, 1); + hnae3_set_bit(ae_dev->flag, HNAE3_DEV_SUPPORT_GRO_B, 1); + } } /* hns3_probe - Device initialization routine diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 872cd4bdd70d..aef044d08b11 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -152,6 +152,7 @@ enum hclge_opcode_type { /* TSO command */ HCLGE_OPC_TSO_GENERIC_CONFIG = 0x0C01, + HCLGE_OPC_GRO_GENERIC_CONFIG = 0x0C10, /* RSS commands */ HCLGE_OPC_RSS_GENERIC_CONFIG = 0x0D01, @@ -758,6 +759,12 @@ struct hclge_cfg_tso_status_cmd { u8 rsv[20]; }; +#define HCLGE_GRO_EN_B 0 +struct hclge_cfg_gro_status_cmd { + __le16 gro_en; + u8 rsv[22]; +}; + #define HCLGE_TSO_MSS_MIN 256 #define HCLGE_TSO_MSS_MAX 9668 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 43bfc730a62d..d02712446d50 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -921,6 +921,28 @@ static int hclge_config_tso(struct hclge_dev *hdev, int tso_mss_min, return hclge_cmd_send(&hdev->hw, &desc, 1); } +static int hclge_config_gro(struct hclge_dev *hdev, bool en) +{ + struct hclge_cfg_gro_status_cmd *req; + struct hclge_desc desc; + int ret; + + if (!hnae3_dev_gro_supported(hdev)) + return 0; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_GRO_GENERIC_CONFIG, false); + req = (struct hclge_cfg_gro_status_cmd *)desc.data; + + req->gro_en = cpu_to_le16(en ? 1 : 0); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) + dev_err(&hdev->pdev->dev, + "GRO hardware config cmd failed, ret = %d\n", ret); + + return ret; +} + static int hclge_alloc_tqps(struct hclge_dev *hdev) { struct hclge_tqp *tqp; @@ -7090,6 +7112,13 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev) goto err_mdiobus_unreg; } + ret = hclge_config_gro(hdev, true); + if (ret) { + dev_err(&pdev->dev, + "Failed to enable GRO in hardware, ret =%d\n", ret); + goto err_mdiobus_unreg; + } + ret = hclge_init_vlan_config(hdev); if (ret) { dev_err(&pdev->dev, "VLAN init fail, ret =%d\n", ret); @@ -7221,6 +7250,13 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev) return ret; } + ret = hclge_config_gro(hdev, true); + if (ret) { + dev_err(&pdev->dev, + "Failed to enable GRO in hardware, ret =%d\n", ret); + return ret; + } + ret = hclge_init_vlan_config(hdev); if (ret) { dev_err(&pdev->dev, "VLAN init fail, ret =%d\n", ret); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h index 090541de0c7d..47030b42341f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h @@ -87,6 +87,8 @@ enum hclgevf_opcode_type { HCLGEVF_OPC_QUERY_TX_STATUS = 0x0B03, HCLGEVF_OPC_QUERY_RX_STATUS = 0x0B13, HCLGEVF_OPC_CFG_COM_TQP_QUEUE = 0x0B20, + /* GRO command */ + HCLGEVF_OPC_GRO_GENERIC_CONFIG = 0x0C10, /* RSS cmd */ HCLGEVF_OPC_RSS_GENERIC_CONFIG = 0x0D01, HCLGEVF_OPC_RSS_INPUT_TUPLE = 0x0D02, @@ -149,6 +151,12 @@ struct hclgevf_query_res_cmd { __le16 rsv[7]; }; +#define HCLGEVF_GRO_EN_B 0 +struct hclgevf_cfg_gro_status_cmd { + __le16 gro_en; + u8 rsv[22]; +}; + #define HCLGEVF_RSS_DEFAULT_OUTPORT_B 4 #define HCLGEVF_RSS_HASH_KEY_OFFSET_B 4 #define HCLGEVF_RSS_HASH_KEY_NUM 16 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 6b4d1477055f..3f256414fbe4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -1655,6 +1655,29 @@ static int hclgevf_init_roce_base_info(struct hclgevf_dev *hdev) return 0; } +static int hclgevf_config_gro(struct hclgevf_dev *hdev, bool en) +{ + struct hclgevf_cfg_gro_status_cmd *req; + struct hclgevf_desc desc; + int ret; + + if (!hnae3_dev_gro_supported(hdev)) + return 0; + + hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_GRO_GENERIC_CONFIG, + false); + req = (struct hclgevf_cfg_gro_status_cmd *)desc.data; + + req->gro_en = cpu_to_le16(en ? 1 : 0); + + ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); + if (ret) + dev_err(&hdev->pdev->dev, + "VF GRO hardware config cmd failed, ret = %d.\n", ret); + + return ret; +} + static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev) { struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; @@ -2122,6 +2145,13 @@ static int hclgevf_reset_hdev(struct hclgevf_dev *hdev) return ret; } + ret = hclgevf_config_gro(hdev, true); + if (ret) { + dev_err(&pdev->dev, + "failed to enable VF GRO in hardware, ret =%d\n", ret); + return ret; + } + ret = hclgevf_init_vlan_config(hdev); if (ret) { dev_err(&hdev->pdev->dev, @@ -2199,6 +2229,13 @@ static int hclgevf_init_hdev(struct hclgevf_dev *hdev) goto err_config; } + ret = hclgevf_config_gro(hdev, true); + if (ret) { + dev_err(&pdev->dev, + "Failed to enable VF GRO in hardware, ret =%d\n", ret); + goto err_config; + } + /* Initialize RSS for this VF */ ret = hclgevf_rss_init_hw(hdev); if (ret) {