From cebd54f2c4dc565c825a73e981eb09d897a603ab Mon Sep 17 00:00:00 2001
From: Hao Lan <lanhao@huawei.com>
Date: Wed, 30 Nov 2022 18:23:58 +0800
Subject: [PATCH 254/283] net: hns3: support debugfs for wake on lan

driver inclusion
category: feature
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I8EN49
CVE: NA

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

Implement debugfs for wake on lan to hns3. The debugfs
support verify the firmware wake on lan configuration.

Signed-off-by: Hao Lan <lanhao@huawei.com>
Signed-off-by: Jiantao Xiao <xiaojiantao1@h-partners.com>
Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Signed-off-by: Xiaodong Li <lixiaodong67@huawei.com>

 Conflicts:
	drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
	drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
---
 .../ethernet/hisilicon/hns3/hns3_debugfs.c    | 10 +++
 .../hisilicon/hns3/hns3pf/hclge_debugfs.c     | 62 +++++++++++++++++++
 2 files changed, 72 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index e96d44e3e716..07c4ed3f0766 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -329,6 +329,13 @@ 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[] = {
@@ -383,6 +390,9 @@ static struct hns3_dbg_cap_info hns3_dbg_cap[] = {
 	}, {
 		.name = "support tm flush",
 		.cap_bit = HNAE3_DEV_SUPPORT_TM_FLUSH_B,
+	}, {
+		.name = "support wake on lan",
+		.cap_bit = HNAE3_DEV_SUPPORT_WOL_B,
 	}
 };
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 407ba8d9a10c..e847a7398c0b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -2427,6 +2427,64 @@ static int hclge_dbg_dump_umv_info(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 & HCLGE_WOL_PHY)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [p]phy\n");
+
+	if (mode & HCLGE_WOL_UNICAST)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [u]unicast\n");
+
+	if (mode & HCLGE_WOL_MULTICAST)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [m]multicast\n");
+
+	if (mode & HCLGE_WOL_BROADCAST)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [b]broadcast\n");
+
+	if (mode & HCLGE_WOL_ARP)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [a]arp\n");
+
+	if (mode & HCLGE_WOL_MAGIC)
+		*pos += scnprintf(buf + *pos, len - *pos, "  [g]magic\n");
+
+	if (mode & HCLGE_WOL_MAGICSECURED)
+		*pos += scnprintf(buf + *pos, len - *pos,
+				 "  [s]magic secured\n");
+
+	if (mode & HCLGE_WOL_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_PRI,
@@ -2568,6 +2626,10 @@ static const struct hclge_dbg_func hclge_dbg_cmd_func[] = {
 		.cmd = HNAE3_DBG_CMD_FD_COUNTER,
 		.dbg_dump = hclge_dbg_dump_fd_counter,
 	},
+	{
+		.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,
-- 
2.34.1

