From: liuzhongzhu <liuzhong...@huawei.com>

This patch prints tc config information.

debugfs command:
echo dump tc > cmd

Sample Output:
root@(none)# echo dump tc > cmd
hns3 0000:7d:00.0: weight_offset: 14
hns3 0000:7d:00.0: tc(0): no sp mode
hns3 0000:7d:00.0: tc(1): no sp mode
hns3 0000:7d:00.0: tc(2): no sp mode
hns3 0000:7d:00.0: tc(3): no sp mode
hns3 0000:7d:00.0: tc(4): no sp mode
hns3 0000:7d:00.0: tc(5): no sp mode
hns3 0000:7d:00.0: tc(6): no sp mode
hns3 0000:7d:00.0: tc(7): no sp mode
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 +
 .../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h |  1 +
 .../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 40 ++++++++++++++++++++++
 .../net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h  |  6 ++++
 4 files changed, 48 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 47afdcd..da009f8 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -130,6 +130,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
        dev_info(&h->pdev->dev, "queue info [number]\n");
        dev_info(&h->pdev->dev, "dump fd tcam\n");
        dev_info(&h->pdev->dev, "dump promisc [vf id]\n");
+       dev_info(&h->pdev->dev, "dump tc\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 872cd4b..cc0f214 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -126,6 +126,7 @@ enum hclge_opcode_type {
        HCLGE_OPC_TM_PRI_SCH_MODE_CFG   = 0x0813,
        HCLGE_OPC_TM_QS_SCH_MODE_CFG    = 0x0814,
        HCLGE_OPC_TM_BP_TO_QSET_MAPPING = 0x0815,
+       HCLGE_OPC_ETS_TC_WEIGHT         = 0x0843,
 
        /* Packet buffer allocate commands */
        HCLGE_OPC_TX_BUFF_ALLOC         = 0x0901,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 0a12473..901dc41 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -5,6 +5,7 @@
 
 #include "hclge_cmd.h"
 #include "hclge_main.h"
+#include "hclge_tm.h"
 #include "hnae3.h"
 
 static void hclge_print(struct hclge_dev *hdev, bool flag, char *true_buf,
@@ -16,6 +17,18 @@ static void hclge_print(struct hclge_dev *hdev, bool flag, 
char *true_buf,
                dev_info(&hdev->pdev->dev, "%s\n", false_buf);
 }
 
+static void hclge_title_idx_print(struct hclge_dev *hdev, bool flag, int index,
+                                 char *title_buf, char *true_buf,
+                                 char *false_buf)
+{
+       if (flag)
+               dev_info(&hdev->pdev->dev, "%s(%d): %s\n", title_buf, index,
+                        true_buf);
+       else
+               dev_info(&hdev->pdev->dev, "%s(%d): %s\n", title_buf, index,
+                        false_buf);
+}
+
 static void hclge_dbg_dump_promisc_cfg(struct hclge_dev *hdev, char *cmd_buf)
 {
 #define HCLGE_DBG_UC_MODE_B BIT(1)
@@ -58,6 +71,31 @@ static void hclge_dbg_dump_promisc_cfg(struct hclge_dev 
*hdev, char *cmd_buf)
                    "bc: enable", "bc: disable");
 }
 
+static void hclge_dbg_dump_tc(struct hclge_dev *hdev)
+{
+       struct hclge_ets_tc_weight_cmd *ets_weight;
+       struct hclge_desc desc;
+       int i, ret;
+
+       hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_ETS_TC_WEIGHT, true);
+
+       ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+       if (ret) {
+               dev_err(&hdev->pdev->dev, "dump tc fail, status is %d.\n", ret);
+               return;
+       }
+
+       ets_weight = (struct hclge_ets_tc_weight_cmd *)desc.data;
+
+       dev_info(&hdev->pdev->dev, "dump tc\n");
+       dev_info(&hdev->pdev->dev, "weight_offset: %u\n",
+                ets_weight->weight_offset);
+
+       for (i = 0; i < HNAE3_MAX_TC; i++)
+               hclge_title_idx_print(hdev, ets_weight->tc_weight[i], i,
+                                     "tc", "no sp mode", "sp mode");
+}
+
 static void hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, u8 stage,
                                   bool sel_x, u32 loc)
 {
@@ -121,6 +159,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char 
*cmd_buf)
                hclge_dbg_fd_tcam(hdev);
        } else if (strncmp(cmd_buf, "dump promisc", 12) == 0) {
                hclge_dbg_dump_promisc_cfg(hdev, cmd_buf);
+       } else if (strncmp(cmd_buf, "dump tc", 7) == 0) {
+               hclge_dbg_dump_tc(hdev);
        } else {
                dev_info(&hdev->pdev->dev, "unknown command\n");
                return -EINVAL;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h
index 25eef13..03474d5 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h
@@ -55,6 +55,12 @@ struct hclge_qs_weight_cmd {
        u8 dwrr;
 };
 
+struct hclge_ets_tc_weight_cmd {
+       u8 tc_weight[HNAE3_MAX_TC];
+       u8 weight_offset;
+       u8 rsvd[15];
+};
+
 #define HCLGE_TM_SHAP_IR_B_MSK  GENMASK(7, 0)
 #define HCLGE_TM_SHAP_IR_B_LSH 0
 #define HCLGE_TM_SHAP_IR_U_MSK  GENMASK(11, 8)
-- 
2.7.4


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