Commit 2ac84cd1 authored by Luo bin's avatar Luo bin Committed by David S. Miller
Browse files

hinic: add support to get eeprom information



add support to get eeprom information from the plug-in module
with ethtool -m cmd.

Signed-off-by: default avatarLuo bin <luobin9@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 07afcc7a
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+69 −0
Original line number Original line Diff line number Diff line
@@ -25,6 +25,7 @@
#include <linux/if_vlan.h>
#include <linux/if_vlan.h>
#include <linux/ethtool.h>
#include <linux/ethtool.h>
#include <linux/vmalloc.h>
#include <linux/vmalloc.h>
#include <linux/sfp.h>


#include "hinic_hw_qp.h"
#include "hinic_hw_qp.h"
#include "hinic_hw_dev.h"
#include "hinic_hw_dev.h"
@@ -1717,6 +1718,72 @@ static int hinic_set_phys_id(struct net_device *netdev,
	return err;
	return err;
}
}


static int hinic_get_module_info(struct net_device *netdev,
				 struct ethtool_modinfo *modinfo)
{
	struct hinic_dev *nic_dev = netdev_priv(netdev);
	u8 sfp_type_ext;
	u8 sfp_type;
	int err;

	err = hinic_get_sfp_type(nic_dev->hwdev, &sfp_type, &sfp_type_ext);
	if (err)
		return err;

	switch (sfp_type) {
	case SFF8024_ID_SFP:
		modinfo->type = ETH_MODULE_SFF_8472;
		modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
		break;
	case SFF8024_ID_QSFP_8438:
		modinfo->type = ETH_MODULE_SFF_8436;
		modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
		break;
	case SFF8024_ID_QSFP_8436_8636:
		if (sfp_type_ext >= 0x3) {
			modinfo->type = ETH_MODULE_SFF_8636;
			modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;

		} else {
			modinfo->type = ETH_MODULE_SFF_8436;
			modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
		}
		break;
	case SFF8024_ID_QSFP28_8636:
		modinfo->type = ETH_MODULE_SFF_8636;
		modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
		break;
	default:
		netif_warn(nic_dev, drv, netdev,
			   "Optical module unknown: 0x%x\n", sfp_type);
		return -EINVAL;
	}

	return 0;
}

static int hinic_get_module_eeprom(struct net_device *netdev,
				   struct ethtool_eeprom *ee, u8 *data)
{
	struct hinic_dev *nic_dev = netdev_priv(netdev);
	u8 sfp_data[STD_SFP_INFO_MAX_SIZE];
	u16 len;
	int err;

	if (!ee->len || ((ee->len + ee->offset) > STD_SFP_INFO_MAX_SIZE))
		return -EINVAL;

	memset(data, 0, ee->len);

	err = hinic_get_sfp_eeprom(nic_dev->hwdev, sfp_data, &len);
	if (err)
		return err;

	memcpy(data, sfp_data + ee->offset, ee->len);

	return 0;
}

static const struct ethtool_ops hinic_ethtool_ops = {
static const struct ethtool_ops hinic_ethtool_ops = {
	.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
	.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
				     ETHTOOL_COALESCE_RX_MAX_FRAMES |
				     ETHTOOL_COALESCE_RX_MAX_FRAMES |
@@ -1748,6 +1815,8 @@ static const struct ethtool_ops hinic_ethtool_ops = {
	.get_strings = hinic_get_strings,
	.get_strings = hinic_get_strings,
	.self_test = hinic_diag_test,
	.self_test = hinic_diag_test,
	.set_phys_id = hinic_set_phys_id,
	.set_phys_id = hinic_set_phys_id,
	.get_module_info = hinic_get_module_info,
	.get_module_eeprom = hinic_get_module_eeprom,
};
};


static const struct ethtool_ops hinicvf_ethtool_ops = {
static const struct ethtool_ops hinicvf_ethtool_ops = {
+4 −0
Original line number Original line Diff line number Diff line
@@ -130,9 +130,13 @@ enum hinic_port_cmd {


	HINIC_PORT_CMD_SET_AUTONEG	= 219,
	HINIC_PORT_CMD_SET_AUTONEG	= 219,


	HINIC_PORT_CMD_GET_STD_SFP_INFO = 240,

	HINIC_PORT_CMD_SET_LRO_TIMER	= 244,
	HINIC_PORT_CMD_SET_LRO_TIMER	= 244,


	HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE = 249,
	HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE = 249,

	HINIC_PORT_CMD_GET_SFP_ABS	= 251,
};
};


/* cmd of mgmt CPU message for HILINK module */
/* cmd of mgmt CPU message for HILINK module */
+72 −0
Original line number Original line Diff line number Diff line
@@ -1323,3 +1323,75 @@ int hinic_reset_led_status(struct hinic_hwdev *hwdev, u8 port)


	return err;
	return err;
}
}

static bool hinic_if_sfp_absent(struct hinic_hwdev *hwdev)
{
	struct hinic_cmd_get_light_module_abs sfp_abs = {0};
	u16 out_size = sizeof(sfp_abs);
	u8 port_id = hwdev->port_id;
	int err;

	sfp_abs.port_id = port_id;
	err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_SFP_ABS,
				 &sfp_abs, sizeof(sfp_abs), &sfp_abs,
				 &out_size);
	if (sfp_abs.status || err || !out_size) {
		dev_err(&hwdev->hwif->pdev->dev,
			"Failed to get port%d sfp absent status, err: %d, status: 0x%x, out size: 0x%x\n",
			port_id, err, sfp_abs.status, out_size);
		return true;
	}

	return ((sfp_abs.abs_status == 0) ? false : true);
}

int hinic_get_sfp_eeprom(struct hinic_hwdev *hwdev, u8 *data, u16 *len)
{
	struct hinic_cmd_get_std_sfp_info sfp_info = {0};
	u16 out_size = sizeof(sfp_info);
	u8 port_id;
	int err;

	if (!hwdev || !data || !len)
		return -EINVAL;

	port_id = hwdev->port_id;

	if (hinic_if_sfp_absent(hwdev))
		return -ENXIO;

	sfp_info.port_id = port_id;
	err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_STD_SFP_INFO,
				 &sfp_info, sizeof(sfp_info), &sfp_info,
				 &out_size);
	if (sfp_info.status || err || !out_size) {
		dev_err(&hwdev->hwif->pdev->dev,
			"Failed to get port%d sfp eeprom information, err: %d, status: 0x%x, out size: 0x%x\n",
			port_id, err, sfp_info.status, out_size);
		return -EIO;
	}

	*len = min_t(u16, sfp_info.eeprom_len, STD_SFP_INFO_MAX_SIZE);
	memcpy(data, sfp_info.sfp_info, STD_SFP_INFO_MAX_SIZE);

	return 0;
}

int hinic_get_sfp_type(struct hinic_hwdev *hwdev, u8 *data0, u8 *data1)
{
	u8 sfp_data[STD_SFP_INFO_MAX_SIZE];
	u16 len;
	int err;

	if (hinic_if_sfp_absent(hwdev))
		return -ENXIO;

	err = hinic_get_sfp_eeprom(hwdev, sfp_data, &len);
	if (err)
		return err;

	*data0 = sfp_data[0];
	*data1 = sfp_data[1];

	return 0;
}
+30 −0
Original line number Original line Diff line number Diff line
@@ -677,6 +677,32 @@ struct hinic_led_info {
	u8	reset;
	u8	reset;
};
};


#define STD_SFP_INFO_MAX_SIZE	640

struct hinic_cmd_get_light_module_abs {
	u8 status;
	u8 version;
	u8 rsvd0[6];

	u8 port_id;
	u8 abs_status; /* 0:present, 1:absent */
	u8 rsv[2];
};

#define STD_SFP_INFO_MAX_SIZE	640

struct hinic_cmd_get_std_sfp_info {
	u8 status;
	u8 version;
	u8 rsvd0[6];

	u8 port_id;
	u8 wire_type;
	u16 eeprom_len;
	u32 rsvd;
	u8 sfp_info[STD_SFP_INFO_MAX_SIZE];
};

int hinic_port_add_mac(struct hinic_dev *nic_dev, const u8 *addr,
int hinic_port_add_mac(struct hinic_dev *nic_dev, const u8 *addr,
		       u16 vlan_id);
		       u16 vlan_id);


@@ -800,6 +826,10 @@ int hinic_reset_led_status(struct hinic_hwdev *hwdev, u8 port);
int hinic_set_led_status(struct hinic_hwdev *hwdev, u8 port,
int hinic_set_led_status(struct hinic_hwdev *hwdev, u8 port,
			 enum hinic_led_type type, enum hinic_led_mode mode);
			 enum hinic_led_type type, enum hinic_led_mode mode);


int hinic_get_sfp_type(struct hinic_hwdev *hwdev, u8 *data0, u8 *data1);

int hinic_get_sfp_eeprom(struct hinic_hwdev *hwdev, u8 *data, u16 *len);

int hinic_open(struct net_device *netdev);
int hinic_open(struct net_device *netdev);


int hinic_close(struct net_device *netdev);
int hinic_close(struct net_device *netdev);