From a1e5de0d07a3b2db047fe8ba0063d129672f979a Mon Sep 17 00:00:00 2001 From: Hao Chen Date: Wed, 10 Apr 2024 20:53:54 +0800 Subject: net: hns3: add support to query scc version by devlink info Add support to query scc version by devlink info for device V3. Signed-off-by: Hao Chen Signed-off-by: Jijie Shao Link: https://lore.kernel.org/r/20240410125354.2177067-5-shaojijie@huawei.com Signed-off-by: Jakub Kicinski --- Documentation/networking/devlink/hns3.rst | 5 +++ drivers/net/ethernet/hisilicon/hns3/hnae3.h | 9 +++++ .../hisilicon/hns3/hns3_common/hclge_comm_cmd.h | 8 ++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c | 44 ++++++++++++++++++++-- .../ethernet/hisilicon/hns3/hns3pf/hclge_devlink.h | 2 + .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 18 +++++++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 1 + 7 files changed, 84 insertions(+), 3 deletions(-) diff --git a/Documentation/networking/devlink/hns3.rst b/Documentation/networking/devlink/hns3.rst index 4562a6e4782f..72bc1b9f3785 100644 --- a/Documentation/networking/devlink/hns3.rst +++ b/Documentation/networking/devlink/hns3.rst @@ -23,3 +23,8 @@ The ``hns3`` driver reports the following versions * - ``fw`` - running - Used to represent the firmware version. + * - ``fw.scc`` + - running + - Used to represent the Soft Congestion Control (SSC) firmware version. + SCC is a firmware component which provides multiple RDMA congestion + control algorithms, including DCQCN. diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index e9266c65b331..7c2c8bea4c06 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -366,6 +366,15 @@ struct hnae3_vector_info { #define HNAE3_FW_VERSION_BYTE0_SHIFT 0 #define HNAE3_FW_VERSION_BYTE0_MASK GENMASK(7, 0) +#define HNAE3_SCC_VERSION_BYTE3_SHIFT 24 +#define HNAE3_SCC_VERSION_BYTE3_MASK GENMASK(31, 24) +#define HNAE3_SCC_VERSION_BYTE2_SHIFT 16 +#define HNAE3_SCC_VERSION_BYTE2_MASK GENMASK(23, 16) +#define HNAE3_SCC_VERSION_BYTE1_SHIFT 8 +#define HNAE3_SCC_VERSION_BYTE1_MASK GENMASK(15, 8) +#define HNAE3_SCC_VERSION_BYTE0_SHIFT 0 +#define HNAE3_SCC_VERSION_BYTE0_MASK GENMASK(7, 0) + struct hnae3_ring_chain_node { struct hnae3_ring_chain_node *next; u32 tqp_index; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h index a2bc5a9adaa3..2c2a2f1e0d7a 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h @@ -247,6 +247,9 @@ enum hclge_opcode_type { HCLGE_OPC_QCN_AJUST_INIT = 0x1A07, HCLGE_OPC_QCN_DFX_CNT_STATUS = 0x1A08, + /* SCC commands */ + HCLGE_OPC_QUERY_SCC_VER = 0x1A84, + /* Mailbox command */ HCLGEVF_OPC_MBX_PF_TO_VF = 0x2000, HCLGEVF_OPC_MBX_VF_TO_PF = 0x2001, @@ -394,6 +397,11 @@ struct hclge_comm_query_version_cmd { __le32 caps[HCLGE_COMM_QUERY_CAP_LENGTH]; /* capabilities of device */ }; +struct hclge_comm_query_scc_cmd { + __le32 scc_version; + u8 rsv[20]; +}; + #define HCLGE_DESC_DATA_LEN 6 struct hclge_desc { __le16 opcode; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c index 9a939c0b217f..a1571c108678 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c @@ -5,6 +5,34 @@ #include "hclge_devlink.h" +static int hclge_devlink_scc_info_get(struct devlink *devlink, + struct devlink_info_req *req) +{ + struct hclge_devlink_priv *priv = devlink_priv(devlink); + char scc_version[HCLGE_DEVLINK_FW_SCC_LEN]; + struct hclge_dev *hdev = priv->hdev; + u32 scc_version_tmp; + int ret; + + ret = hclge_query_scc_version(hdev, &scc_version_tmp); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to get scc version, ret = %d\n", ret); + return ret; + } + + snprintf(scc_version, sizeof(scc_version), "%lu.%lu.%lu.%lu", + hnae3_get_field(scc_version_tmp, HNAE3_SCC_VERSION_BYTE3_MASK, + HNAE3_FW_VERSION_BYTE3_SHIFT), + hnae3_get_field(scc_version_tmp, HNAE3_SCC_VERSION_BYTE2_MASK, + HNAE3_FW_VERSION_BYTE2_SHIFT), + hnae3_get_field(scc_version_tmp, HNAE3_SCC_VERSION_BYTE1_MASK, + HNAE3_FW_VERSION_BYTE1_SHIFT), + hnae3_get_field(scc_version_tmp, HNAE3_SCC_VERSION_BYTE0_MASK, + HNAE3_FW_VERSION_BYTE0_SHIFT)); + return devlink_info_version_running_put(req, "fw.scc", scc_version); +} + static int hclge_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req, struct netlink_ext_ack *extack) @@ -13,6 +41,7 @@ static int hclge_devlink_info_get(struct devlink *devlink, struct hclge_devlink_priv *priv = devlink_priv(devlink); char version_str[HCLGE_DEVLINK_FW_STRING_LEN]; struct hclge_dev *hdev = priv->hdev; + int ret; snprintf(version_str, sizeof(version_str), "%lu.%lu.%lu.%lu", hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE3_MASK, @@ -24,9 +53,18 @@ static int hclge_devlink_info_get(struct devlink *devlink, hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE0_MASK, HNAE3_FW_VERSION_BYTE0_SHIFT)); - return devlink_info_version_running_put(req, - DEVLINK_INFO_VERSION_GENERIC_FW, - version_str); + ret = devlink_info_version_running_put(req, + DEVLINK_INFO_VERSION_GENERIC_FW, + version_str); + if (ret) { + dev_err(&hdev->pdev->dev, "failed to set running version of fw\n"); + return ret; + } + + if (hdev->pdev->revision > HNAE3_DEVICE_VERSION_V2) + ret = hclge_devlink_scc_info_get(devlink, req); + + return ret; } static int hclge_devlink_reload_down(struct devlink *devlink, bool netns_change, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.h index 918be04507a5..148effa5ea89 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.h @@ -6,6 +6,8 @@ #include "hclge_main.h" +#define HCLGE_DEVLINK_FW_SCC_LEN 32 + struct hclge_devlink_priv { struct hclge_dev *hdev; }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index eb31a7e9c8fc..28336cf17170 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -10883,6 +10883,24 @@ static u32 hclge_get_fw_version(struct hnae3_handle *handle) return hdev->fw_version; } +int hclge_query_scc_version(struct hclge_dev *hdev, u32 *scc_version) +{ + struct hclge_comm_query_scc_cmd *resp; + struct hclge_desc desc; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_SCC_VER, 1); + resp = (struct hclge_comm_query_scc_cmd *)desc.data; + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) + return ret; + + *scc_version = le32_to_cpu(resp->scc_version); + + return 0; +} + static void hclge_set_flowctrl_adv(struct hclge_dev *hdev, u32 rx_en, u32 tx_en) { struct phy_device *phydev = hdev->hw.mac.phydev; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index e821dd2f1528..df3c10098349 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -1169,4 +1169,5 @@ int hclge_enable_vport_vlan_filter(struct hclge_vport *vport, bool request_en); int hclge_mac_update_stats(struct hclge_dev *hdev); struct hclge_vport *hclge_get_vf_vport(struct hclge_dev *hdev, int vf); int hclge_inform_vf_reset(struct hclge_vport *vport, u16 reset_type); +int hclge_query_scc_version(struct hclge_dev *hdev, u32 *scc_version); #endif -- cgit v1.2.3