Commit 2cb343b9 authored by Hao Lan's avatar Hao Lan Committed by David S. Miller
Browse files

net: hns3: add querying fec statistics 



FEC statistics can be used to check the transmission quality of links.
This patch implements the get_fec_stats callback of ethtool_ops to support
querying FEC statistics by command "ethtool -I --show-fec eth0".

Signed-off-by: default avatarHao Lan <lanhao@huawei.com>
Signed-off-by: default avatarGuangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fddc02eb

drivers/net/ethernet/hisilicon/hns3/hnae3.h

+6 −0
Original line number Diff line number Diff line
@@ -97,6 +97,7 @@ enum HNAE3_DEV_CAP_BITS { 
	HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B,

	HNAE3_DEV_SUPPORT_MC_MAC_MNG_B,

	HNAE3_DEV_SUPPORT_CQ_B,

	HNAE3_DEV_SUPPORT_FEC_STATS_B,

};



#define hnae3_ae_dev_fd_supported(ae_dev) \
@@ -159,6 +160,9 @@ enum HNAE3_DEV_CAP_BITS { 
#define hnae3_ae_dev_cq_supported(ae_dev) \

	test_bit(HNAE3_DEV_SUPPORT_CQ_B, (ae_dev)->caps)



#define hnae3_ae_dev_fec_stats_supported(ae_dev) \

	test_bit(HNAE3_DEV_SUPPORT_FEC_STATS_B, (ae_dev)->caps)



enum HNAE3_PF_CAP_BITS {

	HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B = 0,

};
@@ -576,6 +580,8 @@ struct hnae3_ae_ops { 
	void (*get_media_type)(struct hnae3_handle *handle, u8 *media_type,

			       u8 *module_type);

	int (*check_port_speed)(struct hnae3_handle *handle, u32 speed);

	void (*get_fec_stats)(struct hnae3_handle *handle,

			      struct ethtool_fec_stats *fec_stats);

	void (*get_fec)(struct hnae3_handle *handle, u8 *fec_ability,

			u8 *fec_mode);

	int (*set_fec)(struct hnae3_handle *handle, u32 fec_mode);

drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c

+1 −0
Original line number Diff line number Diff line
@@ -153,6 +153,7 @@ static const struct hclge_comm_caps_bit_map hclge_pf_cmd_caps[] = { 
	{HCLGE_COMM_CAP_CQ_B, HNAE3_DEV_SUPPORT_CQ_B},

	{HCLGE_COMM_CAP_GRO_B, HNAE3_DEV_SUPPORT_GRO_B},

	{HCLGE_COMM_CAP_FD_B, HNAE3_DEV_SUPPORT_FD_B},

	{HCLGE_COMM_CAP_FEC_STATS_B, HNAE3_DEV_SUPPORT_FEC_STATS_B},

};



static const struct hclge_comm_caps_bit_map hclge_vf_cmd_caps[] = {

drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h

+2 −0
Original line number Diff line number Diff line
@@ -103,6 +103,7 @@ enum hclge_opcode_type { 
	HCLGE_OPC_MAC_TNL_INT_EN	= 0x0311,

	HCLGE_OPC_CLEAR_MAC_TNL_INT	= 0x0312,

	HCLGE_OPC_COMMON_LOOPBACK       = 0x0315,

	HCLGE_OPC_QUERY_FEC_STATS	= 0x0316,

	HCLGE_OPC_CONFIG_FEC_MODE	= 0x031A,

	HCLGE_OPC_QUERY_ROH_TYPE_INFO	= 0x0389,
@@ -342,6 +343,7 @@ enum HCLGE_COMM_CAP_BITS { 
	HCLGE_COMM_CAP_CQ_B = 18,

	HCLGE_COMM_CAP_GRO_B = 20,

	HCLGE_COMM_CAP_FD_B = 21,

	HCLGE_COMM_CAP_FEC_STATS_B = 25,

};



enum HCLGE_COMM_API_CAP_BITS {

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

+3 −0
Original line number Diff line number Diff line
@@ -402,6 +402,9 @@ static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 
	}, {

		.name = "support modify vlan filter state",

		.cap_bit = HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B,

	}, {

		.name = "support FEC statistics",

		.cap_bit = HNAE3_DEV_SUPPORT_FEC_STATS_B,

	}

};

drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c

+14 −0
Original line number Diff line number Diff line
@@ -1612,6 +1612,19 @@ static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 
	h->msg_enable = msg_level;

}



static void hns3_get_fec_stats(struct net_device *netdev,

			       struct ethtool_fec_stats *fec_stats)

{

	struct hnae3_handle *handle = hns3_get_handle(netdev);

	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);

	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;



	if (!hnae3_ae_dev_fec_stats_supported(ae_dev) || !ops->get_fec_stats)

		return;



	ops->get_fec_stats(handle, fec_stats);

}



/* Translate local fec value into ethtool value. */

static unsigned int loc_to_eth_fec(u8 loc_fec)

{
@@ -2084,6 +2097,7 @@ static const struct ethtool_ops hns3_ethtool_ops = { 
	.set_msglevel = hns3_set_msglevel,

	.get_fecparam = hns3_get_fecparam,

	.set_fecparam = hns3_set_fecparam,

	.get_fec_stats = hns3_get_fec_stats,

	.get_module_info = hns3_get_module_info,

	.get_module_eeprom = hns3_get_module_eeprom,

	.get_priv_flags = hns3_get_priv_flags,