hinic: add link_ksettings ethtool_ops support

add set_link_ksettings implementation and improve the implementation
of get_link_ksettings
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c

@@ -219,6 +219,19 @@ int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
 				 HINIC_MGMT_MSG_SYNC);
 }
 
+int hinic_hilink_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_hilink_cmd cmd,
+			 void *buf_in, u16 in_size, void *buf_out,
+			 u16 *out_size)
+{
+	struct hinic_pfhwdev *pfhwdev;
+
+	pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+	return hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_HILINK, cmd,
+				 buf_in, in_size, buf_out, out_size,
+				 HINIC_MGMT_MSG_SYNC);
+}
+
 /**
  * init_fw_ctxt- Init Firmware tables before network mgmt and io operations
  * @hwdev: the NIC HW device

drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h

@@ -54,6 +54,9 @@ enum hinic_port_cmd {
 
 	HINIC_PORT_CMD_SET_RX_MODE      = 12,
 
+	HINIC_PORT_CMD_GET_PAUSE_INFO	= 20,
+	HINIC_PORT_CMD_SET_PAUSE_INFO	= 21,
+
 	HINIC_PORT_CMD_GET_LINK_STATE   = 24,
 
 	HINIC_PORT_CMD_SET_LRO		= 25,
@@ -116,11 +119,23 @@ enum hinic_port_cmd {
 
 	HINIC_PORT_CMD_GET_CAP          = 170,
 
+	HINIC_PORT_CMD_GET_LINK_MODE	= 217,
+
+	HINIC_PORT_CMD_SET_SPEED	= 218,
+
+	HINIC_PORT_CMD_SET_AUTONEG	= 219,
+
 	HINIC_PORT_CMD_SET_LRO_TIMER	= 244,
 
 	HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE = 249,
 };
 
+/* cmd of mgmt CPU message for HILINK module */
+enum hinic_hilink_cmd {
+	HINIC_HILINK_CMD_GET_LINK_INFO		= 0x3,
+	HINIC_HILINK_CMD_SET_LINK_SETTINGS	= 0x8,
+};
+
 enum hinic_ucode_cmd {
 	HINIC_UCODE_CMD_MODIFY_QUEUE_CONTEXT    = 0,
 	HINIC_UCODE_CMD_CLEAN_QUEUE_CONTEXT,
@@ -328,6 +343,10 @@ int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
 		       void *buf_in, u16 in_size, void *buf_out,
 		       u16 *out_size);
 
+int hinic_hilink_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_hilink_cmd cmd,
+			 void *buf_in, u16 in_size, void *buf_out,
+			 u16 *out_size);
+
 int hinic_hwdev_ifup(struct hinic_hwdev *hwdev);
 
 void hinic_hwdev_ifdown(struct hinic_hwdev *hwdev);

drivers/net/ethernet/huawei/hinic/hinic_hw_if.h

@@ -192,7 +192,7 @@ enum hinic_mod_type {
 	HINIC_MOD_COMM  = 0,    /* HW communication module */
 	HINIC_MOD_L2NIC = 1,    /* L2NIC module */
 	HINIC_MOD_CFGM  = 7,    /* Configuration module */
-
+	HINIC_MOD_HILINK = 14,  /* Hilink module */
 	HINIC_MOD_MAX   = 15
 };
 

drivers/net/ethernet/huawei/hinic/hinic_port.c

@@ -1072,3 +1072,132 @@ int hinic_get_mgmt_version(struct hinic_dev *nic_dev, u8 *mgmt_ver)
 
 	return 0;
 }
+
+int hinic_get_link_mode(struct hinic_hwdev *hwdev,
+			struct hinic_link_mode_cmd *link_mode)
+{
+	u16 out_size;
+	int err;
+
+	if (!hwdev || !link_mode)
+		return -EINVAL;
+
+	out_size = sizeof(*link_mode);
+
+	err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_LINK_MODE,
+				 link_mode, sizeof(*link_mode),
+				 link_mode, &out_size);
+	if (err || !out_size || link_mode->status) {
+		dev_err(&hwdev->hwif->pdev->dev,
+			"Failed to get link mode, err: %d, status: 0x%x, out size: 0x%x\n",
+			err, link_mode->status, out_size);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int hinic_set_autoneg(struct hinic_hwdev *hwdev, bool enable)
+{
+	struct hinic_set_autoneg_cmd autoneg = {0};
+	u16 out_size = sizeof(autoneg);
+	int err;
+
+	if (!hwdev)
+		return -EINVAL;
+
+	autoneg.func_id = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+	autoneg.enable = enable;
+
+	err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_AUTONEG,
+				 &autoneg, sizeof(autoneg),
+				 &autoneg, &out_size);
+	if (err || !out_size || autoneg.status) {
+		dev_err(&hwdev->hwif->pdev->dev, "Failed to %s autoneg, err: %d, status: 0x%x, out size: 0x%x\n",
+			enable ? "enable" : "disable", err, autoneg.status,
+			out_size);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int hinic_set_speed(struct hinic_hwdev *hwdev, enum nic_speed_level speed)
+{
+	struct hinic_speed_cmd speed_info = {0};
+	u16 out_size = sizeof(speed_info);
+	int err;
+
+	if (!hwdev)
+		return -EINVAL;
+
+	speed_info.func_id = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+	speed_info.speed = speed;
+
+	err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_SPEED,
+				 &speed_info, sizeof(speed_info),
+				 &speed_info, &out_size);
+	if (err || !out_size || speed_info.status) {
+		dev_err(&hwdev->hwif->pdev->dev,
+			"Failed to set speed, err: %d, status: 0x%x, out size: 0x%x\n",
+			err, speed_info.status, out_size);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int hinic_set_link_settings(struct hinic_hwdev *hwdev,
+			    struct hinic_link_ksettings_info *info)
+{
+	u16 out_size = sizeof(*info);
+	int err;
+
+	err = hinic_hilink_msg_cmd(hwdev, HINIC_HILINK_CMD_SET_LINK_SETTINGS,
+				   info, sizeof(*info), info, &out_size);
+	if ((info->status != HINIC_MGMT_CMD_UNSUPPORTED &&
+	     info->status) || err || !out_size) {
+		dev_err(&hwdev->hwif->pdev->dev,
+			"Failed to set link settings, err: %d, status: 0x%x, out size: 0x%x\n",
+			err, info->status, out_size);
+		return -EFAULT;
+	}
+
+	return info->status;
+}
+
+int hinic_get_hw_pause_info(struct hinic_hwdev *hwdev,
+			    struct hinic_pause_config *pause_info)
+{
+	u16 out_size = sizeof(*pause_info);
+	int err;
+
+	err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_PAUSE_INFO,
+				 pause_info, sizeof(*pause_info),
+				 pause_info, &out_size);
+	if (err || !out_size || pause_info->status) {
+		dev_err(&hwdev->hwif->pdev->dev, "Failed to get pause info, err: %d, status: 0x%x, out size: 0x%x\n",
+			err, pause_info->status, out_size);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int hinic_set_hw_pause_info(struct hinic_hwdev *hwdev,
+			    struct hinic_pause_config *pause_info)
+{
+	u16 out_size = sizeof(*pause_info);
+	int err;
+
+	err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_PAUSE_INFO,
+				 pause_info, sizeof(*pause_info),
+				 pause_info, &out_size);
+	if (err || !out_size || pause_info->status) {
+		dev_err(&hwdev->hwif->pdev->dev, "Failed to set pause info, err: %d, status: 0x%x, out size: 0x%x\n",
+			err, pause_info->status, out_size);
+		return -EIO;
+	}
+
+	return 0;
+}

drivers/net/ethernet/huawei/hinic/hinic_port.h

@@ -79,6 +79,42 @@ enum hinic_speed {
 	HINIC_SPEED_UNKNOWN = 0xFF,
 };
 
+enum hinic_link_mode {
+	HINIC_10GE_BASE_KR = 0,
+	HINIC_40GE_BASE_KR4 = 1,
+	HINIC_40GE_BASE_CR4 = 2,
+	HINIC_100GE_BASE_KR4 = 3,
+	HINIC_100GE_BASE_CR4 = 4,
+	HINIC_25GE_BASE_KR_S = 5,
+	HINIC_25GE_BASE_CR_S = 6,
+	HINIC_25GE_BASE_KR = 7,
+	HINIC_25GE_BASE_CR = 8,
+	HINIC_GE_BASE_KX = 9,
+	HINIC_LINK_MODE_NUMBERS,
+
+	HINIC_SUPPORTED_UNKNOWN = 0xFFFF,
+};
+
+enum hinic_port_type {
+	HINIC_PORT_TP,		/* BASET */
+	HINIC_PORT_AUI,
+	HINIC_PORT_MII,
+	HINIC_PORT_FIBRE,	/* OPTICAL */
+	HINIC_PORT_BNC,
+	HINIC_PORT_ELEC,
+	HINIC_PORT_COPPER,	/* PORT_DA */
+	HINIC_PORT_AOC,
+	HINIC_PORT_BACKPLANE,
+	HINIC_PORT_NONE = 0xEF,
+	HINIC_PORT_OTHER = 0xFF,
+};
+
+enum hinic_valid_link_settings {
+	HILINK_LINK_SET_SPEED = 0x1,
+	HILINK_LINK_SET_AUTONEG = 0x2,
+	HILINK_LINK_SET_FEC = 0x4,
+};
+
 enum hinic_tso_state {
 	HINIC_TSO_DISABLE = 0,
 	HINIC_TSO_ENABLE  = 1,
@@ -179,6 +215,50 @@ struct hinic_port_cap {
 	u8      rsvd2[3];
 };
 
+struct hinic_link_mode_cmd {
+	u8	status;
+	u8	version;
+	u8	rsvd0[6];
+
+	u16	func_id;
+	u16	rsvd1;
+	u16	supported;	/* 0xFFFF represents invalid value */
+	u16	advertised;
+};
+
+struct hinic_speed_cmd {
+	u8	status;
+	u8	version;
+	u8	rsvd0[6];
+
+	u16	func_id;
+	u16	speed;
+};
+
+struct hinic_set_autoneg_cmd {
+	u8	status;
+	u8	version;
+	u8	rsvd0[6];
+
+	u16	func_id;
+	u16	enable;	/* 1: enable , 0: disable */
+};
+
+struct hinic_link_ksettings_info {
+	u8	status;
+	u8	version;
+	u8	rsvd0[6];
+
+	u16	func_id;
+	u16	rsvd1;
+
+	u32	valid_bitmap;
+	u32	speed;		/* enum nic_speed_level */
+	u8	autoneg;	/* 0 - off; 1 - on */
+	u8	fec;		/* 0 - RSFEC; 1 - BASEFEC; 2 - NOFEC */
+	u8	rsvd2[18];	/* reserved for duplex, port, etc. */
+};
+
 struct hinic_tso_config {
 	u8	status;
 	u8	version;
@@ -549,6 +629,18 @@ struct hinic_spoofchk_set {
 	u16	func_id;
 };
 
+struct hinic_pause_config {
+	u8	status;
+	u8	version;
+	u8	rsvd0[6];
+
+	u16	func_id;
+	u16	rsvd1;
+	u32	auto_neg;
+	u32	rx_pause;
+	u32	tx_pause;
+};
+
 int hinic_port_add_mac(struct hinic_dev *nic_dev, const u8 *addr,
 		       u16 vlan_id);
 
@@ -628,4 +720,20 @@ int hinic_set_rx_vlan_offload(struct hinic_dev *nic_dev, u8 en);
 
 int hinic_get_mgmt_version(struct hinic_dev *nic_dev, u8 *mgmt_ver);
 
+int hinic_set_link_settings(struct hinic_hwdev *hwdev,
+			    struct hinic_link_ksettings_info *info);
+
+int hinic_get_link_mode(struct hinic_hwdev *hwdev,
+			struct hinic_link_mode_cmd *link_mode);
+
+int hinic_set_autoneg(struct hinic_hwdev *hwdev, bool enable);
+
+int hinic_set_speed(struct hinic_hwdev *hwdev, enum nic_speed_level speed);
+
+int hinic_get_hw_pause_info(struct hinic_hwdev *hwdev,
+			    struct hinic_pause_config *pause_info);
+
+int hinic_set_hw_pause_info(struct hinic_hwdev *hwdev,
+			    struct hinic_pause_config *pause_info);
+
 #endif