Commit 67daa90c authored by Tian Jiang's avatar Tian Jiang Committed by Jiantao Xiao
Browse files

net: hns3: add support disable nic clock 

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6W94W


CVE: NA

----------------------------------------------------------------------

The patch disables the clocks of the PPP, PPU, IGU_EGU, ROCE, and
TM modules by configuring the network subctrl register.

Signed-off-by: default avatarTian Jiang <jiangtian6@h-partners.com>
Signed-off-by: default avatarshaojijie <shaojijie@huawei.com>
Signed-off-by: default avatarJiantao Xiao <xiaojiantao1@h-partners.com>
parent 9571f135

drivers/net/ethernet/hisilicon/hns3/hnae3_ext.h

+1 −0
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ enum hnae3_ext_opcode { 
	HNAE3_EXT_OPC_SET_SFP_STATE,

	HNAE3_EXT_OPC_DISABLE_LANE,

	HNAE3_EXT_OPC_GET_LANE_STATUS,

	HNAE3_EXT_OPC_DISABLE_CLOCK,

};



struct hnae3_pfc_storm_para {

drivers/net/ethernet/hisilicon/hns3/hns3_ext.c

+7 −0
Original line number Diff line number Diff line
@@ -425,3 +425,10 @@ int nic_get_net_lane_status(struct net_device *ndev, u32 *status) 
				  status, sizeof(*status));

}

EXPORT_SYMBOL(nic_get_net_lane_status);



int nic_disable_clock(struct net_device *ndev)

{

	return nic_invoke_pri_ops(ndev, HNAE3_EXT_OPC_DISABLE_CLOCK,

				  NULL, 0);

}

EXPORT_SYMBOL(nic_disable_clock);

drivers/net/ethernet/hisilicon/hns3/hns3_ext.h

+1 −0
Original line number Diff line number Diff line
@@ -40,4 +40,5 @@ int nic_get_sfp_present(struct net_device *ndev, int *present); 
int nic_set_sfp_state(struct net_device *ndev, bool en);

int nic_disable_net_lane(struct net_device *ndev);

int nic_get_net_lane_status(struct net_device *ndev, u32 *status);

int nic_disable_clock(struct net_device *ndev);

#endif

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c

+18 −0
Original line number Diff line number Diff line
@@ -528,6 +528,23 @@ static int hclge_get_net_lane_status(struct hclge_dev *hdev, void *data, 
	return 0;

}



static int hclge_disable_nic_clock(struct hclge_dev *hdev, void *data,

				   size_t length)

{

	struct hclge_desc desc;

	u32 nic_clock_en = 0;

	int ret;



	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_NIC_CLOCK, false);

	desc.data[0] = cpu_to_le32(nic_clock_en);



	ret = hclge_cmd_send(&hdev->hw, &desc, 1);

	if (ret)

		dev_err(&hdev->pdev->dev,

			"failed to disable nic clock, ret = %d\n", ret);

	return ret;

}



static void hclge_ext_resotre_config(struct hclge_dev *hdev)

{

	if (hdev->reset_type != HNAE3_IMP_RESET &&
@@ -693,6 +710,7 @@ static const hclge_priv_ops_fn hclge_ext_func_arr[] = { 
	[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,

	[HNAE3_EXT_OPC_DISABLE_CLOCK] = hclge_disable_nic_clock,

};



int hclge_ext_ops_handle(struct hnae3_handle *handle, int opcode,

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h

+1 −0
Original line number Diff line number Diff line
@@ -84,6 +84,7 @@ struct hclge_sfp_enable_cmd { 
};



enum hclge_ext_opcode_type {

	HCLGE_OPC_CONFIG_NIC_CLOCK = 0x0060,

	HCLGE_OPC_CONFIG_SWITCH_PARAM = 0x1033,

	HCLGE_OPC_CONFIG_VLAN_FILTER = 0x1100,

	HCLGE_OPC_SET_NOTIFY_PKT = 0x180A,