Commit f671237a authored by Jian Shen's avatar Jian Shen Committed by David S. Miller
Browse files

net: hns3: add support for dumping UC and MC MAC list 



This patch adds support for dumping entries of UC and MC MAC list,
which help checking whether a MAC address being added into hardware
or not.

Signed-off-by: default avatarJian Shen <shenjian15@huawei.com>
Signed-off-by: default avatarHuazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ee4bcd3b

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

+2 −0
Original line number Diff line number Diff line
@@ -262,6 +262,8 @@ static void hns3_dbg_help(struct hnae3_handle *h) 
	dev_info(&h->pdev->dev, "dump mac tnl status\n");

	dev_info(&h->pdev->dev, "dump loopback\n");

	dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n");

	dev_info(&h->pdev->dev, "dump uc mac list <func id>\n");

	dev_info(&h->pdev->dev, "dump mc mac list <func id>\n");



	memset(printf_buf, 0, HNS3_DBG_BUF_LEN);

	strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]",

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

+51 −0
Original line number Diff line number Diff line
@@ -1441,6 +1441,49 @@ static void hclge_dbg_dump_qs_shaper(struct hclge_dev *hdev, 
	hclge_dbg_dump_qs_shaper_single(hdev, qsid);

}



static int hclge_dbg_dump_mac_list(struct hclge_dev *hdev, const char *cmd_buf,

				   bool is_unicast)

{

	struct hclge_mac_node *mac_node, *tmp;

	struct hclge_vport *vport;

	struct list_head *list;

	u32 func_id;

	int ret;



	ret = kstrtouint(cmd_buf, 0, &func_id);

	if (ret < 0) {

		dev_err(&hdev->pdev->dev,

			"dump mac list: bad command string, ret = %d\n", ret);

		return -EINVAL;

	}



	if (func_id >= hdev->num_alloc_vport) {

		dev_err(&hdev->pdev->dev,

			"function id(%u) is out of range(0-%u)\n", func_id,

			hdev->num_alloc_vport - 1);

		return -EINVAL;

	}



	vport = &hdev->vport[func_id];



	list = is_unicast ? &vport->uc_mac_list : &vport->mc_mac_list;



	dev_info(&hdev->pdev->dev, "vport %u %s mac list:\n",

		 func_id, is_unicast ? "uc" : "mc");

	dev_info(&hdev->pdev->dev, "mac address              state\n");



	spin_lock_bh(&vport->mac_list_lock);



	list_for_each_entry_safe(mac_node, tmp, list, node) {

		dev_info(&hdev->pdev->dev, "%pM         %d\n",

			 mac_node->mac_addr, mac_node->state);

	}



	spin_unlock_bh(&vport->mac_list_lock);



	return 0;

}



int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf)

{

#define DUMP_REG	"dump reg"
@@ -1485,6 +1528,14 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf) 
	} else if (strncmp(cmd_buf, "dump qs shaper", 14) == 0) {

		hclge_dbg_dump_qs_shaper(hdev,

					 &cmd_buf[sizeof("dump qs shaper")]);

	} else if (strncmp(cmd_buf, "dump uc mac list", 16) == 0) {

		hclge_dbg_dump_mac_list(hdev,

					&cmd_buf[sizeof("dump uc mac list")],

					true);

	} else if (strncmp(cmd_buf, "dump mc mac list", 16) == 0) {

		hclge_dbg_dump_mac_list(hdev,

					&cmd_buf[sizeof("dump mc mac list")],

					false);

	} else {

		dev_info(&hdev->pdev->dev, "unknown command\n");

		return -EINVAL;

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