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net: hns3: Add "tm config" info query function
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This patch prints Transmit Module's Traffic sched
related config information.

debugfs command:
echo dump tm > cmd

Sample output:
root@(none)# echo dump tm > cmd
hns3 0000:7d:00.0: dump tm
hns3 0000:7d:00.0: PG_TO_PRI gp_id: 0
hns3 0000:7d:00.0: PG_TO_PRI map: 0x1
hns3 0000:7d:00.0: QS_TO_PRI qs_id: 0
hns3 0000:7d:00.0: QS_TO_PRI priority: 0
hns3 0000:7d:00.0: QS_TO_PRI link_vld: 1
hns3 0000:7d:00.0: NQ_TO_QS nq_id: 0
hns3 0000:7d:00.0: NQ_TO_QS qset_id: 1024
hns3 0000:7d:00.0: PG pg_id: 0
hns3 0000:7d:00.0: PG dwrr: 100
hns3 0000:7d:00.0: QS qs_id: 0
hns3 0000:7d:00.0: QS dwrr: 100
hns3 0000:7d:00.0: PRI pri_id: 0
hns3 0000:7d:00.0: PRI dwrr: 100
hns3 0000:7d:00.0: PRI_C pri_id: 0
hns3 0000:7d:00.0: PRI_C pri_shapping: 0x2850000
hns3 0000:7d:00.0: PRI_P pri_id: 0
hns3 0000:7d:00.0: PRI_P pri_shapping: 0x2850796
hns3 0000:7d:00.0: PG_C pg_id: 0
hns3 0000:7d:00.0: PG_C pg_shapping: 0x2850000
hns3 0000:7d:00.0: PG_P pg_id: 0
hns3 0000:7d:00.0: PG_P pg_shapping: 0x2850496
hns3 0000:7d:00.0: PORT port_shapping: 0x2850296
hns3 0000:7d:00.0: PG_SCH pg_id: 0
hns3 0000:7d:00.0: PRI_SCH pg_id: 0
hns3 0000:7d:00.0: QS_SCH pg_id: 0
hns3 0000:7d:00.0: BP_TO_QSET pg_id: 0
hns3 0000:7d:00.0: BP_TO_QSET pg_shapping: 0x0
hns3 0000:7d:00.0: BP_TO_QSET qs_bit_map: 0x0
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>
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liuzhongzhu authored and David S. Miller committed Nov 24, 2018
1 parent 2849d4e commit 96227f4
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Showing 2 changed files with 200 additions and 0 deletions.
1 change: 1 addition & 0 deletions drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,7 @@ 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 tc\n");
dev_info(&h->pdev->dev, "dump tm\n");
}

static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,
Expand Down
199 changes: 199 additions & 0 deletions drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,203 @@ static void hclge_dbg_dump_tc(struct hclge_dev *hdev)
"tc", "no sp mode", "sp mode");
}

static void hclge_dbg_dump_tm_pg(struct hclge_dev *hdev)
{
struct hclge_port_shapping_cmd *port_shap_cfg_cmd;
struct hclge_bp_to_qs_map_cmd *bp_to_qs_map_cmd;
struct hclge_pg_shapping_cmd *pg_shap_cfg_cmd;
enum hclge_opcode_type cmd;
struct hclge_desc desc;
int ret;

cmd = HCLGE_OPC_TM_PG_C_SHAPPING;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_pg_cmd_send;

pg_shap_cfg_cmd = (struct hclge_pg_shapping_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "PG_C pg_id: %u\n", pg_shap_cfg_cmd->pg_id);
dev_info(&hdev->pdev->dev, "PG_C pg_shapping: 0x%x\n",
pg_shap_cfg_cmd->pg_shapping_para);

cmd = HCLGE_OPC_TM_PG_P_SHAPPING;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_pg_cmd_send;

pg_shap_cfg_cmd = (struct hclge_pg_shapping_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "PG_P pg_id: %u\n", pg_shap_cfg_cmd->pg_id);
dev_info(&hdev->pdev->dev, "PG_P pg_shapping: 0x%x\n",
pg_shap_cfg_cmd->pg_shapping_para);

cmd = HCLGE_OPC_TM_PORT_SHAPPING;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_pg_cmd_send;

port_shap_cfg_cmd = (struct hclge_port_shapping_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "PORT port_shapping: 0x%x\n",
port_shap_cfg_cmd->port_shapping_para);

cmd = HCLGE_OPC_TM_PG_SCH_MODE_CFG;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_pg_cmd_send;

dev_info(&hdev->pdev->dev, "PG_SCH pg_id: %u\n", desc.data[0]);

cmd = HCLGE_OPC_TM_PRI_SCH_MODE_CFG;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_pg_cmd_send;

dev_info(&hdev->pdev->dev, "PRI_SCH pg_id: %u\n", desc.data[0]);

cmd = HCLGE_OPC_TM_QS_SCH_MODE_CFG;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_pg_cmd_send;

dev_info(&hdev->pdev->dev, "QS_SCH pg_id: %u\n", desc.data[0]);

cmd = HCLGE_OPC_TM_BP_TO_QSET_MAPPING;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_pg_cmd_send;

bp_to_qs_map_cmd = (struct hclge_bp_to_qs_map_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "BP_TO_QSET pg_id: %u\n",
bp_to_qs_map_cmd->tc_id);
dev_info(&hdev->pdev->dev, "BP_TO_QSET pg_shapping: 0x%x\n",
bp_to_qs_map_cmd->qs_group_id);
dev_info(&hdev->pdev->dev, "BP_TO_QSET qs_bit_map: 0x%x\n",
bp_to_qs_map_cmd->qs_bit_map);
return;

err_tm_pg_cmd_send:
dev_err(&hdev->pdev->dev, "dump tm_pg fail(0x%x), status is %d\n",
cmd, ret);
}

static void hclge_dbg_dump_tm(struct hclge_dev *hdev)
{
struct hclge_priority_weight_cmd *priority_weight;
struct hclge_pg_to_pri_link_cmd *pg_to_pri_map;
struct hclge_qs_to_pri_link_cmd *qs_to_pri_map;
struct hclge_nq_to_qs_link_cmd *nq_to_qs_map;
struct hclge_pri_shapping_cmd *shap_cfg_cmd;
struct hclge_pg_weight_cmd *pg_weight;
struct hclge_qs_weight_cmd *qs_weight;
enum hclge_opcode_type cmd;
struct hclge_desc desc;
int ret;

cmd = HCLGE_OPC_TM_PG_TO_PRI_LINK;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_cmd_send;

pg_to_pri_map = (struct hclge_pg_to_pri_link_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "dump tm\n");
dev_info(&hdev->pdev->dev, "PG_TO_PRI gp_id: %u\n",
pg_to_pri_map->pg_id);
dev_info(&hdev->pdev->dev, "PG_TO_PRI map: 0x%x\n",
pg_to_pri_map->pri_bit_map);

cmd = HCLGE_OPC_TM_QS_TO_PRI_LINK;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_cmd_send;

qs_to_pri_map = (struct hclge_qs_to_pri_link_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "QS_TO_PRI qs_id: %u\n",
qs_to_pri_map->qs_id);
dev_info(&hdev->pdev->dev, "QS_TO_PRI priority: %u\n",
qs_to_pri_map->priority);
dev_info(&hdev->pdev->dev, "QS_TO_PRI link_vld: %u\n",
qs_to_pri_map->link_vld);

cmd = HCLGE_OPC_TM_NQ_TO_QS_LINK;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_cmd_send;

nq_to_qs_map = (struct hclge_nq_to_qs_link_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "NQ_TO_QS nq_id: %u\n", nq_to_qs_map->nq_id);
dev_info(&hdev->pdev->dev, "NQ_TO_QS qset_id: %u\n",
nq_to_qs_map->qset_id);

cmd = HCLGE_OPC_TM_PG_WEIGHT;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_cmd_send;

pg_weight = (struct hclge_pg_weight_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "PG pg_id: %u\n", pg_weight->pg_id);
dev_info(&hdev->pdev->dev, "PG dwrr: %u\n", pg_weight->dwrr);

cmd = HCLGE_OPC_TM_QS_WEIGHT;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_cmd_send;

qs_weight = (struct hclge_qs_weight_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "QS qs_id: %u\n", qs_weight->qs_id);
dev_info(&hdev->pdev->dev, "QS dwrr: %u\n", qs_weight->dwrr);

cmd = HCLGE_OPC_TM_PRI_WEIGHT;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_cmd_send;

priority_weight = (struct hclge_priority_weight_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "PRI pri_id: %u\n", priority_weight->pri_id);
dev_info(&hdev->pdev->dev, "PRI dwrr: %u\n", priority_weight->dwrr);

cmd = HCLGE_OPC_TM_PRI_C_SHAPPING;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_cmd_send;

shap_cfg_cmd = (struct hclge_pri_shapping_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "PRI_C pri_id: %u\n", shap_cfg_cmd->pri_id);
dev_info(&hdev->pdev->dev, "PRI_C pri_shapping: 0x%x\n",
shap_cfg_cmd->pri_shapping_para);

cmd = HCLGE_OPC_TM_PRI_P_SHAPPING;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
goto err_tm_cmd_send;

shap_cfg_cmd = (struct hclge_pri_shapping_cmd *)desc.data;
dev_info(&hdev->pdev->dev, "PRI_P pri_id: %u\n", shap_cfg_cmd->pri_id);
dev_info(&hdev->pdev->dev, "PRI_P pri_shapping: 0x%x\n",
shap_cfg_cmd->pri_shapping_para);

hclge_dbg_dump_tm_pg(hdev);

return;

err_tm_cmd_send:
dev_err(&hdev->pdev->dev, "dump tm fail(0x%x), status is %d\n",
cmd, ret);
}

static void hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, u8 stage,
bool sel_x, u32 loc)
{
Expand Down Expand Up @@ -108,6 +305,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf)
hclge_dbg_fd_tcam(hdev);
} else if (strncmp(cmd_buf, "dump tc", 7) == 0) {
hclge_dbg_dump_tc(hdev);
} else if (strncmp(cmd_buf, "dump tm", 7) == 0) {
hclge_dbg_dump_tm(hdev);
} else {
dev_info(&hdev->pdev->dev, "unknown command\n");
return -EINVAL;
Expand Down

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