From 68696319a6fde3f464fab18aafad6b01ee2cc8f0 Mon Sep 17 00:00:00 2001 From: Tian Jiang Date: Mon, 17 Apr 2023 17:20:55 +0800 Subject: [PATCH 201/283] net: hns3: add support config and query serdes lane status driver inclusion category: feature bugzilla: https://gitee.com/src-openeuler/kernel/issues/I8EN3D CVE: NA ---------------------------------------------------------------------- The patch supports the function of disabling and status query of lane channels on a port. The patch traverses all covered lanes on the port and powers off the serdes ds power. Signed-off-by: Tian Jiang Signed-off-by: shaojijie Signed-off-by: Jiantao Xiao Signed-off-by: Xiaodong Li Conflicts: drivers/net/ethernet/hisilicon/hns3/hnae3_ext.h drivers/net/ethernet/hisilicon/hns3/hns3_ext.c drivers/net/ethernet/hisilicon/hns3/hns3_ext.h --- .../hisilicon/hns3/hns3pf/hclge_ext.c | 46 +++++++++++++++++++ .../hisilicon/hns3/hns3pf/hclge_ext.h | 1 + 2 files changed, 47 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c index dd595a783b55..b8bdace3245b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c @@ -478,6 +478,50 @@ static int hclge_set_sfp_state(struct hclge_dev *hdev, void *data, return ret; } +static int hclge_set_net_lane_status(struct hclge_dev *hdev, + u32 enable) +{ + struct hclge_desc desc; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_DISABLE_NET_LANE, false); + desc.data[0] = cpu_to_le32(enable); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) + dev_err(&hdev->pdev->dev, + "failed to set net lane status, ret = %d\n", ret); + + return ret; +} + +static int hclge_disable_net_lane(struct hclge_dev *hdev, void *data, + size_t length) +{ + return hclge_set_net_lane_status(hdev, 0); +} + +static int hclge_get_net_lane_status(struct hclge_dev *hdev, void *data, + size_t length) +{ + struct hclge_desc desc; + int ret; + + if (length != sizeof(u32)) + return -EINVAL; + + ret = hclge_get_info_from_cmd(hdev, &desc, 1, + HCLGE_OPC_DISABLE_NET_LANE); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to get net lane status, ret = %d\n", ret); + return ret; + } + + *(u32 *)data = le32_to_cpu(desc.data[0]); + return 0; +} + static void hclge_ext_resotre_config(struct hclge_dev *hdev) { if (hdev->reset_type != HNAE3_IMP_RESET && @@ -640,6 +684,8 @@ static const hclge_priv_ops_fn hclge_ext_func_arr[] = { [HNAE3_EXT_OPC_SET_PFC_TIME] = hclge_set_pause_trans_time, [HNAE3_EXT_OPC_GET_PRESENT] = hclge_get_sfp_present, [HNAE3_EXT_OPC_SET_SFP_STATE] = hclge_set_sfp_state, + [HNAE3_EXT_OPC_DISABLE_LANE] = hclge_disable_net_lane, + [HNAE3_EXT_OPC_GET_LANE_STATUS] = hclge_get_net_lane_status, }; int hclge_ext_ops_handle(struct hnae3_handle *handle, int opcode, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h index 607bd1668cdc..06b3d9c494f4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h @@ -91,6 +91,7 @@ enum hclge_ext_opcode_type { HCLGE_OPC_CHIP_ID_GET = 0x7003, HCLGE_OPC_GET_CHIP_NUM = 0x7005, HCLGE_OPC_GET_PORT_NUM = 0x7006, + HCLGE_OPC_DISABLE_NET_LANE = 0x7008, HCLGE_OPC_CFG_PAUSE_STORM_PARA = 0x7019, HCLGE_OPC_SFP_GET_PRESENT = 0x7101, HCLGE_OPC_SFP_SET_STATUS = 0x7102, -- 2.34.1