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From:   Salil Mehta <salil.mehta@huawei.com>
To:     <davem@davemloft.net>
CC:     <salil.mehta@huawei.com>, <yisen.zhuang@huawei.com>,
        <lipeng321@huawei.com>, <mehta.salil@opnsrc.net>,
        <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linuxarm@huawei.com>, liuzhongzhu <liuzhongzhu@huawei.com>
Subject: [RFC net-next 5/9] net: hns3: Add "manager table" information query function
Date:   Sun, 2 Dec 2018 23:09:29 +0000
Message-ID: <20181202230933.15560-6-salil.mehta@huawei.com>
In-Reply-To: <20181202230933.15560-1-salil.mehta@huawei.com>
References: <20181202230933.15560-1-salil.mehta@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: liuzhongzhu <liuzhongzhu@huawei.com>

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>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c |  1 +
 .../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 16 ++++++
 .../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 66 ++++++++++++++++++++++
 .../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h |  9 +++
 4 files changed, 92 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 80a081e87b96..eb52d623a3bb 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -213,6 +213,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
 	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");
+	dev_info(&h->pdev->dev, "dump mng tbl\n");
 }
 
 static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index d5d10a8cbb5d..354bea9e718d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -233,6 +233,7 @@ enum hclge_opcode_type {
 	HCLGE_PPP_CMD0_INT_CMD		= 0x2100,
 	HCLGE_PPP_CMD1_INT_CMD		= 0x2101,
 	HCLGE_PPP_MAC_VLAN_IDX_RD	= 0x2104,
+	HCLGE_MAC_ETHERTYPE_IDX_RD	= 0x2105,
 	HCLGE_NCSI_INT_QUERY		= 0x2400,
 	HCLGE_NCSI_INT_EN		= 0x2401,
 	HCLGE_NCSI_INT_CLR		= 0x2402,
@@ -741,6 +742,21 @@ struct hclge_mac_vlan_idx_rd_cmd {
 	__le32  index;
 };
 
+struct hclge_mac_ethertype_idx_rd_cmd {
+	u8	flags;
+	u8	resp_code;
+	__le16  vlan_tag;
+	u8      mac_add[6];
+	__le16  index;
+	__le16	ethter_type;
+	__le16  egress_port;
+	__le16  egress_queue;
+	__le16  rev0;
+	u8	i_port_bitmap;
+	u8	i_port_direction;
+	u8	rev1[2];
+};
+
 #pragma pack()
 
 struct hclge_cfg_com_tqp_queue_cmd {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 20e64abe7c5a..a70f7a374722 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -699,6 +699,70 @@ static void hclge_dbg_dump_vf_vlan_table(struct hclge_dev *hdev, char *cmd_buf)
 	kfree(vlan_bitmap);
 }
 
+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);
+	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));
+
+	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)
 {
@@ -776,6 +840,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf)
 		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 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;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h
index f0c7ad535fcc..163c960f5f4a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h
@@ -17,6 +17,15 @@
 #define HCLGE_DBG_VLAN_ID_MAX 4096
 #define HCLGE_DBG_MNG_TBL_MAX 64
 
+#define HCLGE_DBG_MNG_VLAN_MASK_B  BIT(0)
+#define HCLGE_DBG_MNG_MAC_MASK_B   BIT(1)
+#define HCLGE_DBG_MNG_ETHER_MASK_B BIT(2)
+#define HCLGE_DBG_MNG_E_TYPE_B	   BIT(11)
+#define HCLGE_DBG_MNG_DROP_B	   BIT(13)
+#define HCLGE_DBG_MNG_VLAN_TAG	   0x0FFF
+#define HCLGE_DBG_MNG_PF_ID	   0x0007
+#define HCLGE_DBG_MNG_VF_ID	   0x00FF
+
 #pragma pack(1)
 
 struct hclge_qos_pri_map_cmd {
-- 
2.11.0