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Subject[PATCH V2 net-next 2/2] net: hns3: add support for dumping MAC umv counter in debugfs
Date
From: Jian Shen <shenjian15@huawei.com>

This patch adds support of dumping MAC umv counter in debugfs,
which will be helpful for debugging.

The display style is below:
$ cat umv_info
num_alloc_vport : 2
max_umv_size : 256
wanted_umv_size : 256
priv_umv_size : 85
share_umv_size : 86
vport(0) used_umv_num : 1
vport(1) used_umv_num : 1

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
---
drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 +
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 7 +++++
.../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 34 ++++++++++++++++++++++
3 files changed, 42 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index a6ef67e47c8a..e0b7c3c44e7b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -293,6 +293,7 @@ enum hnae3_dbg_cmd {
HNAE3_DBG_CMD_FD_COUNTER,
HNAE3_DBG_CMD_MAC_TNL_STATUS,
HNAE3_DBG_CMD_SERV_INFO,
+ HNAE3_DBG_CMD_UMV_INFO,
HNAE3_DBG_CMD_UNKNOWN,
};

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index b72fdb94df63..532523069d74 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -330,6 +330,13 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = {
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
+ {
+ .name = "umv_info",
+ .cmd = HNAE3_DBG_CMD_UMV_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[] = {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index b69c54d365a7..288788186ecc 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -1927,6 +1927,36 @@ static void hclge_dbg_dump_mac_list(struct hclge_dev *hdev, char *buf, int len,
}
}

+static int hclge_dbg_dump_umv_info(struct hclge_dev *hdev, char *buf, int len)
+{
+ u8 func_num = pci_num_vf(hdev->pdev) + 1;
+ struct hclge_vport *vport;
+ int pos = 0;
+ u8 i;
+
+ pos += scnprintf(buf, len, "num_alloc_vport : %u\n",
+ hdev->num_alloc_vport);
+ pos += scnprintf(buf + pos, len - pos, "max_umv_size : %u\n",
+ hdev->max_umv_size);
+ pos += scnprintf(buf + pos, len - pos, "wanted_umv_size : %u\n",
+ hdev->wanted_umv_size);
+ pos += scnprintf(buf + pos, len - pos, "priv_umv_size : %u\n",
+ hdev->priv_umv_size);
+
+ mutex_lock(&hdev->vport_lock);
+ pos += scnprintf(buf + pos, len - pos, "share_umv_size : %u\n",
+ hdev->share_umv_size);
+ for (i = 0; i < func_num; i++) {
+ vport = &hdev->vport[i];
+ pos += scnprintf(buf + pos, len - pos,
+ "vport(%u) used_umv_num : %u\n",
+ i, vport->used_umv_num);
+ }
+ mutex_unlock(&hdev->vport_lock);
+
+ return 0;
+}
+
static int hclge_get_vlan_rx_offload_cfg(struct hclge_dev *hdev, u8 vf_id,
struct hclge_dbg_vlan_cfg *vlan_cfg)
{
@@ -2412,6 +2442,10 @@ 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_UMV_INFO,
+ .dbg_dump = hclge_dbg_dump_umv_info,
+ },
};

int hclge_dbg_read_cmd(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd,
--
2.8.1
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