From: liuzhongzhu <liuzhong...@huawei.com>
This patch prints vf vlan table information.
debugfs command:
echo dump port vlan tbl 0 > cmd
Sample Command:
root@(none)# echo dump vf vlan tbl 0 > cmd
vlan | vf filter bitMap:
0000 | 00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000001
root@(none)#
Signed-off-by: liuzhongzhu <liuzhong...@huawei.com>
Signed-off-by: Salil Mehta <salil.me...@huawei.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 1 +
.../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 93 ++++++++++++++++++++++
2 files changed, 94 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 51af55f34e55..80a081e87b96 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -212,6 +212,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
dev_info(&h->pdev->dev, "dump qos buf cfg\n");
dev_info(&h->pdev->dev, "dump mac tbl\n");
dev_info(&h->pdev->dev, "dump port vlan tbl\n");
+ dev_info(&h->pdev->dev, "dump vf vlan tbl [vf id]\n");
}
static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 4a034a59fcb2..20e64abe7c5a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -608,6 +608,97 @@ static void hclge_dbg_dump_port_vlan_table(struct
hclge_dev *hdev)
kfree(vlan_bitmap);
}
+static void hclge_dbg_dump_vf_vlan_table(struct hclge_dev *hdev, char *cmd_buf)
+{
+ struct hclge_vlan_filter_vf_cfg_cmd *req0;
+ struct hclge_vlan_filter_vf_cfg_cmd *req1;
+ char printf_buf[HCLGE_DBG_BUF_LEN];
+ struct hclge_desc desc[2];
+ u32 *vlan_bitmap;
+ u8 vf_byte_val;
+ u8 vf_bitmap;
+ int vlan_len;
+ u32 vlan_id;
+ int ret, i;
+ bool flag;
+ u16 vf_id;
+
+ ret = kstrtou16(&cmd_buf[17], 10, &vf_id);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "vf id failed. vf id max: %d\n", hdev->num_alloc_vfs);
+ return;
+ }
+
+ vlan_len = HCLGE_DBG_VLAN_ID_MAX / 8;
+ vlan_bitmap = kzalloc(vlan_len, GFP_KERNEL);
+ if (!vlan_bitmap) {
+ dev_err(&hdev->pdev->dev,
+ "port vlan table alloc memory failed\n");
+ return;
+ }
+
+ for (vlan_id = 0; vlan_id < HCLGE_DBG_VLAN_ID_MAX; vlan_id++) {
+ /* Prevent long-term occupation of the command channel. */
+ if ((vlan_id % 100) == 0)
+ msleep(100);
+
+ hclge_cmd_setup_basic_desc(&desc[0],
+ HCLGE_OPC_VLAN_FILTER_VF_CFG, true);
+ desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
+ hclge_cmd_setup_basic_desc(&desc[1],
+ HCLGE_OPC_VLAN_FILTER_VF_CFG, true);
+
+ req0 = (struct hclge_vlan_filter_vf_cfg_cmd *)desc[0].data;
+ req1 = (struct hclge_vlan_filter_vf_cfg_cmd *)desc[1].data;
+ req0->vlan_id = cpu_to_le16(vlan_id);
+
+ ret = hclge_cmd_send(&hdev->hw, desc, 2);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "call hclge_cmd_send fail, ret = %d\n", ret);
+ kfree(vlan_bitmap);
+ return;
+ }
+
+ if (vf_id < 128)
+ vf_bitmap = req0->vf_bitmap[vf_id / 8];
+ else
+ vf_bitmap = req1->vf_bitmap[(vf_id - 128) / 8];
+
+ vf_byte_val = 1 << (vf_id % 8);
+
+ if (vf_bitmap & vf_byte_val)
+ vlan_bitmap[(u32)(vlan_id / 32)] |= 1 << (vlan_id % 32);
+ }
+
+ dev_info(&hdev->pdev->dev, "vlan | vf filter bitMap:\n");
+
+ for (vlan_id = 0; vlan_id < HCLGE_DBG_VLAN_ID_MAX / 32; vlan_id += 8) {
+ memset(printf_buf, 0, HCLGE_DBG_BUF_LEN);
+ snprintf(printf_buf, HCLGE_DBG_BUF_LEN,
+ "%04d | ", vlan_id * 32);
+
+ flag = false;
+
+ for (i = 7; i >= 0; i--) {
+ snprintf(printf_buf + strlen(printf_buf),
+ HCLGE_DBG_BUF_LEN - strlen(printf_buf),
+ "%08x:", vlan_bitmap[(u32)(vlan_id + i)]);
+
+ if (vlan_bitmap[(u32)(vlan_id + i)] > 0)
+ flag = true;
+ }
+
+ printf_buf[strlen(printf_buf) - 1] = '\n';
+
+ if (flag)
+ dev_info(&hdev->pdev->dev, "%s", printf_buf);
+ }
+
+ kfree(vlan_bitmap);
+}
+
static void hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, u8 stage,
bool sel_x, u32 loc)
{
@@ -683,6 +774,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char
*cmd_buf)
hclge_dbg_dump_mac_table(hdev);
} else if (strncmp(cmd_buf, "dump port vlan tbl", 18) == 0) {
hclge_dbg_dump_port_vlan_table(hdev);
+ } else if (strncmp(cmd_buf, "dump vf vlan tbl", 16) == 0) {
+ hclge_dbg_dump_vf_vlan_table(hdev, cmd_buf);
} else {
dev_info(&hdev->pdev->dev, "unknown command\n");
return -EINVAL;
--
2.11.0
