net: hns3: Add "manager table" information query function

This patch prints manager table information.

debugfs command:
echo dump mng tbl > cmd

Sample Command:
root@(none)# echo dump mng tbl > cmd
 entry|mac_addr         |mask|ether|mask|vlan|mask|i_map|i_dir|e_type
 00   |01:00:5e:00:00:01|0   |00000|0   |0000|0   |00   |00   |0
 01   |c2:f1:c5:82:68:17|0   |00000|0   |0000|0   |00   |00   |0
root@(none)#

Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 66 insertions, 0 deletions

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 14577bbf3e11..77a11618040d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -407,6 +407,70 @@ err_qos_cmd_send:
 		"dump qos buf cfg fail(0x%x), status is %d\n", cmd, ret);
 }
 
+static void hclge_dbg_dump_mng_table(struct hclge_dev *hdev)
+{
+	struct hclge_mac_ethertype_idx_rd_cmd *req0;
+	char printf_buf[HCLGE_DBG_BUF_LEN];
+	struct hclge_desc desc;
+	int ret, i;
+
+	dev_info(&hdev->pdev->dev, "mng tab:\n");
+	memset(printf_buf, 0, HCLGE_DBG_BUF_LEN);
+	strncat(printf_buf,
+		"entry|mac_addr         |mask|ether|mask|vlan|mask",
+		HCLGE_DBG_BUF_LEN - 1);
+	strncat(printf_buf + strlen(printf_buf),
+		"|i_map|i_dir|e_type|pf_id|vf_id|q_id|drop\n",
+		HCLGE_DBG_BUF_LEN - strlen(printf_buf) - 1);
+
+	dev_info(&hdev->pdev->dev, "%s", printf_buf);
+
+	for (i = 0; i < HCLGE_DBG_MNG_TBL_MAX; i++) {
+		hclge_cmd_setup_basic_desc(&desc, HCLGE_MAC_ETHERTYPE_IDX_RD,
+					   true);
+		req0 = (struct hclge_mac_ethertype_idx_rd_cmd *)&desc.data;
+		req0->index = cpu_to_le16(i);
+
+		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+		if (ret) {
+			dev_err(&hdev->pdev->dev,
+				"call hclge_cmd_send fail, ret = %d\n", ret);
+			return;
+		}
+
+		if (!req0->resp_code)
+			continue;
+
+		memset(printf_buf, 0, HCLGE_DBG_BUF_LEN);
+		snprintf(printf_buf, HCLGE_DBG_BUF_LEN,
+			 "%02u   |%02x:%02x:%02x:%02x:%02x:%02x|",
+			 req0->index, req0->mac_add[0], req0->mac_add[1],
+			 req0->mac_add[2], req0->mac_add[3], req0->mac_add[4],
+			 req0->mac_add[5]);
+
+		snprintf(printf_buf + strlen(printf_buf),
+			 HCLGE_DBG_BUF_LEN - strlen(printf_buf),
+			 "%x   |%04x |%x   |%04x|%x   |%02x   |%02x   |",
+			 !!(req0->flags & HCLGE_DBG_MNG_MAC_MASK_B),
+			 req0->ethter_type,
+			 !!(req0->flags & HCLGE_DBG_MNG_ETHER_MASK_B),
+			 req0->vlan_tag & HCLGE_DBG_MNG_VLAN_TAG,
+			 !!(req0->flags & HCLGE_DBG_MNG_VLAN_MASK_B),
+			 req0->i_port_bitmap, req0->i_port_direction);
+
+		snprintf(printf_buf + strlen(printf_buf),
+			 HCLGE_DBG_BUF_LEN - strlen(printf_buf),
+			 "%d     |%d    |%02d   |%04d|%x\n",
+			 !!(req0->egress_port & HCLGE_DBG_MNG_E_TYPE_B),
+			 req0->egress_port & HCLGE_DBG_MNG_PF_ID,
+			 (req0->egress_port >> 3) & HCLGE_DBG_MNG_VF_ID,
+			 req0->egress_queue,
+			 !!(req0->egress_port & HCLGE_DBG_MNG_DROP_B));
+
+		dev_info(&hdev->pdev->dev, "%s", printf_buf);
+	}
+}
+
 static void hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, u8 stage,
 				   bool sel_x, u32 loc)
 {
@@ -478,6 +542,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf)
 		hclge_dbg_dump_qos_pri_map(hdev);
 	} else if (strncmp(cmd_buf, "dump qos buf cfg", 16) == 0) {
 		hclge_dbg_dump_qos_buf_cfg(hdev);
+	} else if (strncmp(cmd_buf, "dump mng tbl", 12) == 0) {
+		hclge_dbg_dump_mng_table(hdev);
 	} else {
 		dev_info(&hdev->pdev->dev, "unknown command\n");
 		return -EINVAL;