diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index a7daf6d4511e..fe09cf6c15f3 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -465,6 +465,8 @@ struct hnae3_ae_dev {
* Delete clsflower rule
* cls_flower_active
* Check if any cls flower rule exist
+ * dbg_read_cmd
+ * Execute debugfs read command.
*/
struct hnae3_ae_ops {
int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
@@ -620,6 +622,8 @@ struct hnae3_ae_ops {
int (*add_arfs_entry)(struct hnae3_handle *handle, u16 queue_id,
u16 flow_id, struct flow_keys *fkeys);
int (*dbg_run_cmd)(struct hnae3_handle *handle, const char *cmd_buf);
+ int (*dbg_read_cmd)(struct hnae3_handle *handle, const char *cmd_buf,
+ char *buf, int len);
pci_ers_result_t (*handle_hw_ras_error)(struct hnae3_ae_dev *ae_dev);
bool (*get_hw_reset_stat)(struct hnae3_handle *handle);
bool (*ae_dev_resetting)(struct hnae3_handle *handle);
@@ -777,6 +781,10 @@ struct hnae3_handle {
#define hnae3_get_bit(origin, shift) \
hnae3_get_field((origin), (0x1 << (shift)), (shift))
+#define HNAE3_DBG_TM_NODES "tm_nodes"
+#define HNAE3_DBG_TM_PRI "tm_priority"
+#define HNAE3_DBG_TM_QSET "tm_qset"
+
int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 9d4e9c053a8f..6978304f1ac5 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -7,7 +7,7 @@
#include "hnae3.h"
#include "hns3_enet.h"
-#define HNS3_DBG_READ_LEN 256
+#define HNS3_DBG_READ_LEN 65536
#define HNS3_DBG_WRITE_LEN 1024
static struct dentry *hns3_dbgfs_root;
@@ -484,6 +484,42 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
return count;
}
+static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ struct hnae3_handle *handle = filp->private_data;
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ struct hns3_nic_priv *priv = handle->priv;
+ char *cmd_buf, *read_buf;
+ ssize_t size = 0;
+ int ret = 0;
+
+ if (!filp->f_path.dentry->d_iname)
+ return -EINVAL;
+
+ read_buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL);
+ if (!read_buf)
+ return -ENOMEM;
+
+ cmd_buf = filp->f_path.dentry->d_iname;
+
+ if (ops->dbg_read_cmd)
+ ret = ops->dbg_read_cmd(handle, cmd_buf, read_buf,
+ HNS3_DBG_READ_LEN);
+
+ if (ret) {
+ dev_info(priv->dev, "unknown command\n");
+ goto out;
+ }
+
+ size = simple_read_from_buffer(buffer, count, ppos, read_buf,
+ strlen(read_buf));
+
+out:
+ kfree(read_buf);
+ return size;
+}
+
static const struct file_operations hns3_dbg_cmd_fops = {
.owner = THIS_MODULE,
.open = simple_open,
@@ -491,14 +527,31 @@ static const struct file_operations hns3_dbg_cmd_fops = {
.write = hns3_dbg_cmd_write,
};
+static const struct file_operations hns3_dbg_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = hns3_dbg_read,
+};
+
void hns3_dbg_init(struct hnae3_handle *handle)
{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
const char *name = pci_name(handle->pdev);
+ struct dentry *entry_dir;
handle->hnae3_dbgfs = debugfs_create_dir(name, hns3_dbgfs_root);
debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle,
&hns3_dbg_cmd_fops);
+
+ entry_dir = debugfs_create_dir("tm", handle->hnae3_dbgfs);
+ if (ae_dev->dev_version > HNAE3_DEVICE_VERSION_V2)
+ debugfs_create_file(HNAE3_DBG_TM_NODES, 0600, entry_dir, handle,
+ &hns3_dbg_fops);
+ debugfs_create_file(HNAE3_DBG_TM_PRI, 0600, entry_dir, handle,
+ &hns3_dbg_fops);
+ debugfs_create_file(HNAE3_DBG_TM_QSET, 0600, entry_dir, handle,
+ &hns3_dbg_fops);
}
void hns3_dbg_uninit(struct hnae3_handle *handle)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 8f6dea5198cf..8f3fefe50719 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -800,6 +800,140 @@ err_tm_map_cmd_send:
cmd, ret);
}
+static int hclge_dbg_dump_tm_nodes(struct hclge_dev *hdev, char *buf, int len)
+{
+ struct hclge_tm_nodes_cmd *nodes;
+ struct hclge_desc desc;
+ int pos = 0;
+ int ret;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NODES, true);
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to dump tm nodes, ret = %d\n", ret);
+ return ret;
+ }
+
+ nodes = (struct hclge_tm_nodes_cmd *)desc.data;
+
+ pos += scnprintf(buf + pos, len - pos, " BASE_ID MAX_NUM\n");
+ pos += scnprintf(buf + pos, len - pos, "PG %4u %4u\n",
+ nodes->pg_base_id, nodes->pg_num);
+ pos += scnprintf(buf + pos, len - pos, "PRI %4u %4u\n",
+ nodes->pri_base_id, nodes->pri_num);
+ pos += scnprintf(buf + pos, len - pos, "QSET %4u %4u\n",
+ le16_to_cpu(nodes->qset_base_id),
+ le16_to_cpu(nodes->qset_num));
+ pos += scnprintf(buf + pos, len - pos, "QUEUE %4u %4u\n",
+ le16_to_cpu(nodes->queue_base_id),
+ le16_to_cpu(nodes->queue_num));
+
+ return 0;
+}
+
+static int hclge_dbg_dump_tm_pri(struct hclge_dev *hdev, char *buf, int len)
+{
+ struct hclge_pri_shaper_para c_shaper_para;
+ struct hclge_pri_shaper_para p_shaper_para;
+ u8 pri_num, sch_mode, weight;
+ char *sch_mode_str;
+ int pos = 0;
+ int ret;
+ u8 i;
+
+ ret = hclge_tm_get_pri_num(hdev, &pri_num);
+ if (ret)
+ return ret;
+
+ pos += scnprintf(buf + pos, len - pos,
+ "ID MODE DWRR C_IR_B C_IR_U C_IR_S C_BS_B ");
+ pos += scnprintf(buf + pos, len - pos,
+ "C_BS_S C_FLAG C_RATE(Mbps) P_IR_B P_IR_U ");
+ pos += scnprintf(buf + pos, len - pos,
+ "P_IR_S P_BS_B P_BS_S P_FLAG P_RATE(Mbps)\n");
+
+ for (i = 0; i < pri_num; i++) {
+ ret = hclge_tm_get_pri_sch_mode(hdev, i, &sch_mode);
+ if (ret)
+ return ret;
+
+ ret = hclge_tm_get_pri_weight(hdev, i, &weight);
+ if (ret)
+ return ret;
+
+ ret = hclge_tm_get_pri_shaper(hdev, i,
+ HCLGE_OPC_TM_PRI_C_SHAPPING,
+ &c_shaper_para);
+ if (ret)
+ return ret;
+
+ ret = hclge_tm_get_pri_shaper(hdev, i,
+ HCLGE_OPC_TM_PRI_P_SHAPPING,
+ &p_shaper_para);
+ if (ret)
+ return ret;
+
+ sch_mode_str = sch_mode & HCLGE_TM_TX_SCHD_DWRR_MSK ? "dwrr" :
+ "sp";
+
+ pos += scnprintf(buf + pos, len - pos,
+ "%04u %4s %3u %3u %3u %3u ",
+ i, sch_mode_str, weight, c_shaper_para.ir_b,
+ c_shaper_para.ir_u, c_shaper_para.ir_s);
+ pos += scnprintf(buf + pos, len - pos,
+ "%3u %3u %1u %6u ",
+ c_shaper_para.bs_b, c_shaper_para.bs_s,
+ c_shaper_para.flag, c_shaper_para.rate);
+ pos += scnprintf(buf + pos, len - pos,
+ "%3u %3u %3u %3u %3u ",
+ p_shaper_para.ir_b, p_shaper_para.ir_u,
+ p_shaper_para.ir_s, p_shaper_para.bs_b,
+ p_shaper_para.bs_s);
+ pos += scnprintf(buf + pos, len - pos, "%1u %6u\n",
+ p_shaper_para.flag, p_shaper_para.rate);
+ }
+
+ return 0;
+}
+
+static int hclge_dbg_dump_tm_qset(struct hclge_dev *hdev, char *buf, int len)
+{
+ u8 priority, link_vld, sch_mode, weight;
+ char *sch_mode_str;
+ int ret, pos;
+ u16 qset_num;
+ u16 i;
+
+ ret = hclge_tm_get_qset_num(hdev, &qset_num);
+ if (ret)
+ return ret;
+
+ pos = scnprintf(buf, len, "ID MAP_PRI LINK_VLD MODE DWRR\n");
+
+ for (i = 0; i < qset_num; i++) {
+ ret = hclge_tm_get_qset_map_pri(hdev, i, &priority, &link_vld);
+ if (ret)
+ return ret;
+
+ ret = hclge_tm_get_qset_sch_mode(hdev, i, &sch_mode);
+ if (ret)
+ return ret;
+
+ ret = hclge_tm_get_qset_weight(hdev, i, &weight);
+ if (ret)
+ return ret;
+
+ sch_mode_str = sch_mode & HCLGE_TM_TX_SCHD_DWRR_MSK ? "dwrr" :
+ "sp";
+ pos += scnprintf(buf + pos, len - pos,
+ "%04u %4u %1u %4s %3u\n",
+ i, priority, link_vld, sch_mode_str, weight);
+ }
+
+ return 0;
+}
+
static void hclge_dbg_dump_qos_pause_cfg(struct hclge_dev *hdev)
{
struct hclge_cfg_pause_param_cmd *pause_param;
@@ -1591,3 +1725,22 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf)
return 0;
}
+
+int hclge_dbg_read_cmd(struct hnae3_handle *handle, const char *cmd_buf,
+ char *buf, int len)
+{
+ struct hclge_vport *vport = hclge_get_vport(handle);
+ struct hclge_dev *hdev = vport->back;
+
+ if (strncmp(cmd_buf, HNAE3_DBG_TM_NODES,
+ strlen(HNAE3_DBG_TM_NODES)) == 0)
+ return hclge_dbg_dump_tm_nodes(hdev, buf, len);
+ else if (strncmp(cmd_buf, HNAE3_DBG_TM_PRI,
+ strlen(HNAE3_DBG_TM_PRI)) == 0)
+ return hclge_dbg_dump_tm_pri(hdev, buf, len);
+ else if (strncmp(cmd_buf, HNAE3_DBG_TM_QSET,
+ strlen(HNAE3_DBG_TM_QSET)) == 0)
+ return hclge_dbg_dump_tm_qset(hdev, buf, len);
+
+ return -EINVAL;
+}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index c242883fea5d..16ccb1abe3d9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -11850,6 +11850,7 @@ static const struct hnae3_ae_ops hclge_ops = {
.enable_fd = hclge_enable_fd,
.add_arfs_entry = hclge_add_fd_entry_by_arfs,
.dbg_run_cmd = hclge_dbg_run_cmd,
+ .dbg_read_cmd = hclge_dbg_read_cmd,
.handle_hw_ras_error = hclge_handle_hw_ras_error,
.get_hw_reset_stat = hclge_get_hw_reset_stat,
.ae_dev_resetting = hclge_ae_dev_resetting,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index ca46bc9110d7..32e5f82ef615 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -1006,6 +1006,8 @@ int hclge_vport_start(struct hclge_vport *vport);
void hclge_vport_stop(struct hclge_vport *vport);
int hclge_set_vport_mtu(struct hclge_vport *vport, int new_mtu);
int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf);
+int hclge_dbg_read_cmd(struct hnae3_handle *handle, const char *cmd_buf,
+ char *buf, int len);
u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id);
int hclge_notify_client(struct hclge_dev *hdev,
enum hnae3_reset_notify_type type);