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net: hns3: debugfs add dump dscp map info

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This patch add dump the map relation for dscp, priority and TC, and
the current tc map mode.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guangbin Huang
2022-09-06 17:12:21 +08:00
committed by David S. Miller
parent f6e32724ca
commit fddc02eb58
3 changed files with 67 additions and 1 deletions
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1
drivers/net/ethernet/hisilicon/hns3/hnae3.h
View File

@@ -272,6 +272,7 @@ enum hnae3_dbg_cmd {
HNAE3_DBG_CMD_TC_SCH_INFO,
HNAE3_DBG_CMD_QOS_PAUSE_CFG,
HNAE3_DBG_CMD_QOS_PRI_MAP,
HNAE3_DBG_CMD_QOS_DSCP_MAP,
HNAE3_DBG_CMD_QOS_BUF_CFG,
HNAE3_DBG_CMD_DEV_INFO,
HNAE3_DBG_CMD_TX_BD,

7
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
View File

@@ -105,6 +105,13 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = {
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "qos_dscp_map",
.cmd = HNAE3_DBG_CMD_QOS_DSCP_MAP,
.dentry = HNS3_DBG_DENTRY_TM,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "qos_buf_cfg",
.cmd = HNAE3_DBG_CMD_QOS_BUF_CFG,

60
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
View File

@@ -14,6 +14,8 @@ static const char * const hclge_mac_state_str[] = {
"TO_ADD", "TO_DEL", "ACTIVE"
};
static const char * const tc_map_mode_str[] = { "PRIO", "DSCP" };
static const struct hclge_dbg_reg_type_info hclge_dbg_reg_info[] = {
{ .cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON,
.dfx_msg = &hclge_dbg_bios_common_reg[0],
@@ -1115,10 +1117,11 @@ static int hclge_dbg_dump_qos_pause_cfg(struct hclge_dev *hdev, char *buf,
return 0;
}
#define HCLGE_DBG_TC_MASK 0x0F
static int hclge_dbg_dump_qos_pri_map(struct hclge_dev *hdev, char *buf,
int len)
{
#define HCLGE_DBG_TC_MASK 0x0F
#define HCLGE_DBG_TC_BIT_WIDTH 4
struct hclge_qos_pri_map_cmd *pri_map;
@@ -1152,6 +1155,57 @@ static int hclge_dbg_dump_qos_pri_map(struct hclge_dev *hdev, char *buf,
return 0;
}
static int hclge_dbg_dump_qos_dscp_map(struct hclge_dev *hdev, char *buf,
int len)
{
struct hclge_desc desc[HCLGE_DSCP_MAP_TC_BD_NUM];
u8 *req0 = (u8 *)desc[0].data;
u8 *req1 = (u8 *)desc[1].data;
u8 dscp_tc[HCLGE_MAX_DSCP];
int pos, ret;
u8 i, j;
pos = scnprintf(buf, len, "tc map mode: %s\n",
tc_map_mode_str[hdev->vport[0].nic.kinfo.tc_map_mode]);
if (hdev->vport[0].nic.kinfo.tc_map_mode != HNAE3_TC_MAP_MODE_DSCP)
return 0;
hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_QOS_MAP, true);
desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_QOS_MAP, true);
ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_DSCP_MAP_TC_BD_NUM);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to dump qos dscp map, ret = %d\n", ret);
return ret;
}
pos += scnprintf(buf + pos, len - pos, "\nDSCP PRIO TC\n");
/* The low 32 dscp setting use bd0, high 32 dscp setting use bd1 */
for (i = 0; i < HCLGE_MAX_DSCP / HCLGE_DSCP_MAP_TC_BD_NUM; i++) {
j = i + HCLGE_MAX_DSCP / HCLGE_DSCP_MAP_TC_BD_NUM;
/* Each dscp setting has 4 bits, so each byte saves two dscp
* setting
*/
dscp_tc[i] = req0[i >> 1] >> HCLGE_DSCP_TC_SHIFT(i);
dscp_tc[j] = req1[i >> 1] >> HCLGE_DSCP_TC_SHIFT(i);
dscp_tc[i] &= HCLGE_DBG_TC_MASK;
dscp_tc[j] &= HCLGE_DBG_TC_MASK;
}
for (i = 0; i < HCLGE_MAX_DSCP; i++) {
if (hdev->tm_info.dscp_prio[i] == HCLGE_PRIO_ID_INVALID)
continue;
pos += scnprintf(buf + pos, len - pos, " %2u %u %u\n",
i, hdev->tm_info.dscp_prio[i], dscp_tc[i]);
}
return 0;
}
static int hclge_dbg_dump_tx_buf_cfg(struct hclge_dev *hdev, char *buf, int len)
{
struct hclge_tx_buff_alloc_cmd *tx_buf_cmd;
@@ -2376,6 +2430,10 @@ static const struct hclge_dbg_func hclge_dbg_cmd_func[] = {
.cmd = HNAE3_DBG_CMD_QOS_PRI_MAP,
.dbg_dump = hclge_dbg_dump_qos_pri_map,
},
{
.cmd = HNAE3_DBG_CMD_QOS_DSCP_MAP,
.dbg_dump = hclge_dbg_dump_qos_dscp_map,
},
{
.cmd = HNAE3_DBG_CMD_QOS_BUF_CFG,
.dbg_dump = hclge_dbg_dump_qos_buf_cfg,