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net: hns3: Add "qos buffer" config info query function
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This patch prints qos buffer config information.

debugfs command:
echo dump qos buf cfg > cmd

Sample Command:
root@(none)# echo dump qos buf cfg > cmd
hns3 0000:7d:00.0: dump qos buf cfg
hns3 0000:7d:00.0: tx_packet_buf_tc_0: 0x1aa
hns3 0000:7d:00.0: tx_packet_buf_tc_1: 0x0
hns3 0000:7d:00.0: tx_packet_buf_tc_2: 0x0
hns3 0000:7d:00.0: tx_packet_buf_tc_3: 0x0
hns3 0000:7d:00.0: tx_packet_buf_tc_4: 0x0
hns3 0000:7d:00.0: tx_packet_buf_tc_5: 0x0
hns3 0000:7d:00.0: tx_packet_buf_tc_6: 0x0
hns3 0000:7d:00.0: tx_packet_buf_tc_7: 0x0
hns3 0000:7d:00.0:
hns3 0000:7d:00.0: rx_packet_buf_tc_0: 0x130
hns3 0000:7d:00.0: rx_packet_buf_tc_1: 0x0
hns3 0000:7d:00.0: rx_packet_buf_tc_2: 0x0
hns3 0000:7d:00.0: rx_packet_buf_tc_3: 0x0
hns3 0000:7d:00.0: rx_packet_buf_tc_4: 0x0
hns3 0000:7d:00.0: rx_packet_buf_tc_5: 0x0
hns3 0000:7d:00.0: rx_packet_buf_tc_6: 0x0
hns3 0000:7d:00.0: rx_packet_buf_tc_7: 0x0
hns3 0000:7d:00.0: rx_share_buf: 0x1e0e
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 6fc2244 commit 7d9d7f8
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Showing 2 changed files with 116 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 @@ -134,6 +134,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
dev_info(&h->pdev->dev, "dump tm\n");
dev_info(&h->pdev->dev, "dump qos pause cfg\n");
dev_info(&h->pdev->dev, "dump qos pri map\n");
dev_info(&h->pdev->dev, "dump qos buf cfg\n");
}

static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,
Expand Down
115 changes: 115 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 @@ -294,6 +294,119 @@ static void hclge_dbg_dump_qos_pri_map(struct hclge_dev *hdev)
dev_info(&hdev->pdev->dev, "pri_7_to_tc: 0x%x\n", pri_map->pri7_tc);
}

static void hclge_dbg_dump_qos_buf_cfg(struct hclge_dev *hdev)
{
struct hclge_tx_buff_alloc_cmd *tx_buf_cmd;
struct hclge_rx_priv_buff_cmd *rx_buf_cmd;
struct hclge_rx_priv_wl_buf *rx_priv_wl;
struct hclge_rx_com_wl *rx_packet_cnt;
struct hclge_rx_com_thrd *rx_com_thrd;
struct hclge_rx_com_wl *rx_com_wl;
enum hclge_opcode_type cmd;
struct hclge_desc desc[2];
int i, ret;

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

dev_info(&hdev->pdev->dev, "dump qos buf cfg\n");

tx_buf_cmd = (struct hclge_tx_buff_alloc_cmd *)desc[0].data;
for (i = 0; i < HCLGE_TC_NUM; i++)
dev_info(&hdev->pdev->dev, "tx_packet_buf_tc_%d: 0x%x\n", i,
tx_buf_cmd->tx_pkt_buff[i]);

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

dev_info(&hdev->pdev->dev, "\n");
rx_buf_cmd = (struct hclge_rx_priv_buff_cmd *)desc[0].data;
for (i = 0; i < HCLGE_TC_NUM; i++)
dev_info(&hdev->pdev->dev, "rx_packet_buf_tc_%d: 0x%x\n", i,
rx_buf_cmd->buf_num[i]);

dev_info(&hdev->pdev->dev, "rx_share_buf: 0x%x\n",
rx_buf_cmd->shared_buf);

cmd = HCLGE_OPC_RX_PRIV_WL_ALLOC;
hclge_cmd_setup_basic_desc(&desc[0], cmd, true);
desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
hclge_cmd_setup_basic_desc(&desc[1], cmd, true);
ret = hclge_cmd_send(&hdev->hw, desc, 2);
if (ret)
goto err_qos_cmd_send;

dev_info(&hdev->pdev->dev, "\n");
rx_priv_wl = (struct hclge_rx_priv_wl_buf *)desc[0].data;
for (i = 0; i < HCLGE_TC_NUM_ONE_DESC; i++)
dev_info(&hdev->pdev->dev,
"rx_priv_wl_tc_%d: high: 0x%x, low: 0x%x\n", i,
rx_priv_wl->tc_wl[i].high, rx_priv_wl->tc_wl[i].low);

rx_priv_wl = (struct hclge_rx_priv_wl_buf *)desc[1].data;
for (i = 0; i < HCLGE_TC_NUM_ONE_DESC; i++)
dev_info(&hdev->pdev->dev,
"rx_priv_wl_tc_%d: high: 0x%x, low: 0x%x\n", i + 4,
rx_priv_wl->tc_wl[i].high, rx_priv_wl->tc_wl[i].low);

cmd = HCLGE_OPC_RX_COM_THRD_ALLOC;
hclge_cmd_setup_basic_desc(&desc[0], cmd, true);
desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
hclge_cmd_setup_basic_desc(&desc[1], cmd, true);
ret = hclge_cmd_send(&hdev->hw, desc, 2);
if (ret)
goto err_qos_cmd_send;

dev_info(&hdev->pdev->dev, "\n");
rx_com_thrd = (struct hclge_rx_com_thrd *)desc[0].data;
for (i = 0; i < HCLGE_TC_NUM_ONE_DESC; i++)
dev_info(&hdev->pdev->dev,
"rx_com_thrd_tc_%d: high: 0x%x, low: 0x%x\n", i,
rx_com_thrd->com_thrd[i].high,
rx_com_thrd->com_thrd[i].low);

rx_com_thrd = (struct hclge_rx_com_thrd *)desc[1].data;
for (i = 0; i < HCLGE_TC_NUM_ONE_DESC; i++)
dev_info(&hdev->pdev->dev,
"rx_com_thrd_tc_%d: high: 0x%x, low: 0x%x\n", i + 4,
rx_com_thrd->com_thrd[i].high,
rx_com_thrd->com_thrd[i].low);

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

rx_com_wl = (struct hclge_rx_com_wl *)desc[0].data;
dev_info(&hdev->pdev->dev, "\n");
dev_info(&hdev->pdev->dev, "rx_com_wl: high: 0x%x, low: 0x%x\n",
rx_com_wl->com_wl.high, rx_com_wl->com_wl.low);

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

rx_packet_cnt = (struct hclge_rx_com_wl *)desc[0].data;
dev_info(&hdev->pdev->dev,
"rx_global_packet_cnt: high: 0x%x, low: 0x%x\n",
rx_packet_cnt->com_wl.high, rx_packet_cnt->com_wl.low);

return;

err_qos_cmd_send:
dev_err(&hdev->pdev->dev,
"dump qos buf cfg 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 @@ -363,6 +476,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf)
hclge_dbg_dump_qos_pause_cfg(hdev);
} else if (strncmp(cmd_buf, "dump qos pri map", 16) == 0) {
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 {
dev_info(&hdev->pdev->dev, "unknown command\n");
return -EINVAL;
Expand Down

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