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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: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jian Shen 2020-04-24 10:23:10 +08:00 committed by David S. Miller
parent ee4bcd3b7a
commit f671237a4b
2 changed files with 53 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
View File

@ -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>]",

51
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
View File

@ -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;