net: hns3: support debugfs for wake on lan

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7ON9Y
CVE: NA

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

Implement debugfs for wake on lan to hns3. The debugfs
support verify the firmware wake on lan configuration.
Signed-off-by: NHao Lan <lanhao@huawei.com>
Signed-off-by: NJiantao Xiao <xiaojiantao1@h-partners.com>
Reviewed-by: NYue Haibing <yuehaibing@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

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

@@ -335,6 +335,7 @@ enum hnae3_dbg_cmd {
 	HNAE3_DBG_CMD_UMV_INFO,
 	HNAE3_DBG_CMD_PAGE_POOL_INFO,
 	HNAE3_DBG_CMD_COAL_INFO,
+	HNAE3_DBG_CMD_WOL_INFO,
 	HNAE3_DBG_CMD_UNKNOWN,
 };
 

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

@@ -357,6 +357,13 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = {
 		.buf_len = HNS3_DBG_READ_LEN_1MB,
 		.init = hns3_dbg_common_file_init,
 	},
+	{
+		.name = "wol_info",
+		.cmd = HNAE3_DBG_CMD_WOL_INFO,
+		.dentry = HNS3_DBG_DENTRY_COMMON,
+		.buf_len = HNS3_DBG_READ_LEN,
+		.init = hns3_dbg_common_file_init,
+	},
 };
 
 static struct hns3_dbg_cap_info hns3_dbg_cap[] = {

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

@@ -2513,6 +2513,64 @@ static int hclge_dbg_dump_mac_mc(struct hclge_dev *hdev, char *buf, int len)
 	return 0;
 }
 
+static void hclge_dump_wol_mode(u32 mode, char *buf, int len, int *pos)
+{
+	if (mode & WAKE_PHY)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [p]phy\n");
+
+	if (mode & WAKE_UCAST)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [u]unicast\n");
+
+	if (mode & WAKE_MCAST)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [m]multicast\n");
+
+	if (mode & WAKE_BCAST)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [b]broadcast\n");
+
+	if (mode & WAKE_ARP)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [a]arp\n");
+
+	if (mode & WAKE_MAGIC)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [g]magic\n");
+
+	if (mode & WAKE_MAGICSECURE)
+		*pos += scnprintf(buf + *pos, len - *pos,
+				 "  [s]magic secured\n");
+
+	if (mode & WAKE_FILTER)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [f]filter\n");
+}
+
+static int hclge_dbg_dump_wol_info(struct hclge_dev *hdev, char *buf, int len)
+{
+	u32 wol_supported;
+	int pos = 0;
+	u32 mode;
+
+	if (!hnae3_ae_dev_wol_supported(hdev->ae_dev)) {
+		pos += scnprintf(buf + pos, len - pos,
+				 "wake-on-lan is unsupported\n");
+		return 0;
+	}
+
+	pos += scnprintf(buf + pos, len - pos, "wake-on-lan mode:\n");
+	pos += scnprintf(buf + pos, len - pos, " supported:\n");
+	if (hclge_get_wol_supported_mode(hdev, &wol_supported))
+		return -EINVAL;
+
+	hclge_dump_wol_mode(wol_supported, buf, len, &pos);
+
+	pos += scnprintf(buf + pos, len - pos, " current:\n");
+	if (hclge_get_wol_cfg(hdev, &mode))
+		return -EINVAL;
+	if (mode)
+		hclge_dump_wol_mode(mode, buf, len, &pos);
+	else
+		pos += scnprintf(buf + pos, len - pos, "  [d]disabled\n");
+
+	return 0;
+}
+
 static const struct hclge_dbg_func hclge_dbg_cmd_func[] = {
 	{
 		.cmd = HNAE3_DBG_CMD_TM_NODES,
@@ -2662,6 +2720,10 @@ static const struct hclge_dbg_func hclge_dbg_cmd_func[] = {
 		.cmd = HNAE3_DBG_CMD_UMV_INFO,
 		.dbg_dump = hclge_dbg_dump_umv_info,
 	},
+	{
+		.cmd = HNAE3_DBG_CMD_WOL_INFO,
+		.dbg_dump = hclge_dbg_dump_wol_info,
+	},
 };
 
 int hclge_dbg_read_cmd(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd,

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

@@ -12081,8 +12081,8 @@ static struct hclge_wol_info *hclge_get_wol_info(struct hnae3_handle *handle)
 	return &vport->back->hw.mac.wol;
 }
 
-static int hclge_get_wol_supported_mode(struct hclge_dev *hdev,
-					u32 *wol_supported)
+int hclge_get_wol_supported_mode(struct hclge_dev *hdev,
+				 u32 *wol_supported)
 {
 	struct hclge_query_wol_supported_cmd *wol_supported_cmd;
 	struct hclge_desc desc;
@@ -12104,6 +12104,26 @@ static int hclge_get_wol_supported_mode(struct hclge_dev *hdev,
 	return 0;
 }
 
+int hclge_get_wol_cfg(struct hclge_dev *hdev, u32 *mode)
+{
+	struct hclge_wol_cfg_cmd *wol_cfg_cmd;
+	struct hclge_desc desc;
+	int ret;
+
+	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_WOL_CFG, true);
+	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (ret) {
+		dev_err(&hdev->pdev->dev,
+			"failed to get wol config, ret = %d\n", ret);
+		return ret;
+	}
+
+	wol_cfg_cmd = (struct hclge_wol_cfg_cmd *)desc.data;
+	*mode = le32_to_cpu(wol_cfg_cmd->wake_on_lan_mode);
+
+	return 0;
+}
+
 static int hclge_set_wol_cfg(struct hclge_dev *hdev,
 			     struct hclge_wol_info *wol_info)
 {

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

@@ -1156,6 +1156,8 @@ int hclge_register_sysfs(struct hclge_dev *hdev);
 void hclge_unregister_sysfs(struct hclge_dev *hdev);
 int hclge_cfg_mac_speed_dup_hw(struct hclge_dev *hdev, int speed, u8 duplex,
 			       u8 lane_num);
+int hclge_get_wol_supported_mode(struct hclge_dev *hdev, u32 *wol_supported);
+int hclge_get_wol_cfg(struct hclge_dev *hdev, u32 *mode);
 struct hclge_vport *hclge_get_vf_vport(struct hclge_dev *hdev, int vf);
 int hclge_inform_vf_reset(struct hclge_vport *vport, u16 reset_type);
 void hclge_reset_task_schedule(struct hclge_dev *hdev);