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net: hns3: add debugfs support for ptp info

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Add a debugfs interface for dumping ptp information, which
is helpful for debugging.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huazhong Tan 2021-06-10 21:38:57 +08:00 committed by David S. Miller
parent 0bf5eb7885
commit b34c157f0c
3 changed files with 67 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/hisilicon/hns3/hnae3.h
View File

@ -276,6 +276,7 @@ enum hnae3_dbg_cmd {
HNAE3_DBG_CMD_MAC_MC,
HNAE3_DBG_CMD_MNG_TBL,
HNAE3_DBG_CMD_LOOPBACK,
HNAE3_DBG_CMD_PTP_INFO,
HNAE3_DBG_CMD_INTERRUPT_INFO,
HNAE3_DBG_CMD_RESET_INFO,
HNAE3_DBG_CMD_IMP_INFO,

13
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
View File

@ -316,6 +316,13 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = {
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "ptp_info",
.cmd = HNAE3_DBG_CMD_PTP_INFO,
.dentry = HNS3_DBG_DENTRY_COMMON,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
};
static struct hns3_dbg_cap_info hns3_dbg_cap[] = {
@ -1059,8 +1066,10 @@ int hns3_dbg_init(struct hnae3_handle *handle)
handle->hnae3_dbgfs);
for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) {
if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES &&
ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)
if ((hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES &&
ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) ||
(hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_PTP_INFO &&
!test_bit(HNAE3_DEV_SUPPORT_PTP_B, ae_dev->caps)))
continue;
if (!hns3_dbg_cmd[i].init) {

55
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
View File

@ -2173,6 +2173,57 @@ static int hclge_dbg_dump_vlan_config(struct hclge_dev *hdev, char *buf,
return hclge_dbg_dump_vlan_offload_config(hdev, buf, len, &pos);
}
static int hclge_dbg_dump_ptp_info(struct hclge_dev *hdev, char *buf, int len)
{
struct hclge_ptp *ptp = hdev->ptp;
u32 sw_cfg = ptp->ptp_cfg;
unsigned int tx_start;
unsigned int last_rx;
int pos = 0;
u32 hw_cfg;
int ret;
pos += scnprintf(buf + pos, len - pos, "phc %s's debug info:\n",
ptp->info.name);
pos += scnprintf(buf + pos, len - pos, "ptp enable: %s\n",
test_bit(HCLGE_PTP_FLAG_EN, &ptp->flags) ?
"yes" : "no");
pos += scnprintf(buf + pos, len - pos, "ptp tx enable: %s\n",
test_bit(HCLGE_PTP_FLAG_TX_EN, &ptp->flags) ?
"yes" : "no");
pos += scnprintf(buf + pos, len - pos, "ptp rx enable: %s\n",
test_bit(HCLGE_PTP_FLAG_RX_EN, &ptp->flags) ?
"yes" : "no");
last_rx = jiffies_to_msecs(ptp->last_rx);
pos += scnprintf(buf + pos, len - pos, "last rx time: %lu.%lu\n",
last_rx / MSEC_PER_SEC, last_rx % MSEC_PER_SEC);
pos += scnprintf(buf + pos, len - pos, "rx count: %lu\n", ptp->rx_cnt);
tx_start = jiffies_to_msecs(ptp->tx_start);
pos += scnprintf(buf + pos, len - pos, "last tx start time: %lu.%lu\n",
tx_start / MSEC_PER_SEC, tx_start % MSEC_PER_SEC);
pos += scnprintf(buf + pos, len - pos, "tx count: %lu\n", ptp->tx_cnt);
pos += scnprintf(buf + pos, len - pos, "tx skipped count: %lu\n",
ptp->tx_skipped);
pos += scnprintf(buf + pos, len - pos, "tx timeout count: %lu\n",
ptp->tx_timeout);
pos += scnprintf(buf + pos, len - pos, "last tx seqid: %u\n",
ptp->last_tx_seqid);
ret = hclge_ptp_cfg_qry(hdev, &hw_cfg);
if (ret)
return ret;
pos += scnprintf(buf + pos, len - pos, "sw_cfg: %#x, hw_cfg: %#x\n",
sw_cfg, hw_cfg);
pos += scnprintf(buf + pos, len - pos, "tx type: %d, rx filter: %d\n",
ptp->ts_cfg.tx_type, ptp->ts_cfg.rx_filter);
return 0;
}
static int hclge_dbg_dump_mac_uc(struct hclge_dev *hdev, char *buf, int len)
{
hclge_dbg_dump_mac_list(hdev, buf, len, true);
@ -2244,6 +2295,10 @@ static const struct hclge_dbg_func hclge_dbg_cmd_func[] = {
.cmd = HNAE3_DBG_CMD_LOOPBACK,
.dbg_dump = hclge_dbg_dump_loopback,
},
{
.cmd = HNAE3_DBG_CMD_PTP_INFO,
.dbg_dump = hclge_dbg_dump_ptp_info,
},
{
.cmd = HNAE3_DBG_CMD_INTERRUPT_INFO,
.dbg_dump = hclge_dbg_dump_interrupt,