blob: 20db0eb636a82b64a85f403ef5c096ab37827aaf [file] [log] [blame]
Tomas Winkler712b6cf2008-03-12 16:58:52 -07001/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Tomas Winkler <tomas.winkler@intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29#include <linux/kernel.h>
30#include <linux/module.h>
31#include <linux/debugfs.h>
32
33#include <linux/ieee80211.h>
34#include <net/mac80211.h>
35
36
Tomas Winkler3e0d4cb2008-04-24 11:55:38 -070037#include "iwl-dev.h"
Tomas Winkler712b6cf2008-03-12 16:58:52 -070038#include "iwl-debug.h"
Tomas Winklerfee12472008-04-03 16:05:21 -070039#include "iwl-core.h"
Tomas Winkler3395f6e2008-03-25 16:33:37 -070040#include "iwl-io.h"
Tomas Winkler712b6cf2008-03-12 16:58:52 -070041
42
43/* create and remove of files */
44#define DEBUGFS_ADD_DIR(name, parent) do { \
45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \
46 if (!(dbgfs->dir_##name)) \
47 goto err; \
48} while (0)
49
50#define DEBUGFS_ADD_FILE(name, parent) do { \
51 dbgfs->dbgfs_##parent##_files.file_##name = \
52 debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv, \
53 &iwl_dbgfs_##name##_ops); \
54 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \
55 goto err; \
56} while (0)
57
Tomas Winkler445c2df2008-05-15 13:54:16 +080058#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
59 dbgfs->dbgfs_##parent##_files.file_##name = \
60 debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr); \
61 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)) \
62 goto err; \
63} while (0)
64
Tomas Winkler712b6cf2008-03-12 16:58:52 -070065#define DEBUGFS_REMOVE(name) do { \
66 debugfs_remove(name); \
67 name = NULL; \
68} while (0);
69
70/* file operation */
71#define DEBUGFS_READ_FUNC(name) \
72static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
73 char __user *user_buf, \
74 size_t count, loff_t *ppos);
75
76#define DEBUGFS_WRITE_FUNC(name) \
77static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
78 const char __user *user_buf, \
79 size_t count, loff_t *ppos);
80
81
82static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
83{
84 file->private_data = inode->i_private;
85 return 0;
86}
87
88#define DEBUGFS_READ_FILE_OPS(name) \
89 DEBUGFS_READ_FUNC(name); \
90static const struct file_operations iwl_dbgfs_##name##_ops = { \
91 .read = iwl_dbgfs_##name##_read, \
92 .open = iwl_dbgfs_open_file_generic, \
93};
94
Ester Kummer189a2b52008-05-15 13:54:18 +080095#define DEBUGFS_WRITE_FILE_OPS(name) \
96 DEBUGFS_WRITE_FUNC(name); \
97static const struct file_operations iwl_dbgfs_##name##_ops = { \
98 .write = iwl_dbgfs_##name##_write, \
99 .open = iwl_dbgfs_open_file_generic, \
100};
101
102
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700103#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
104 DEBUGFS_READ_FUNC(name); \
105 DEBUGFS_WRITE_FUNC(name); \
106static const struct file_operations iwl_dbgfs_##name##_ops = { \
107 .write = iwl_dbgfs_##name##_write, \
108 .read = iwl_dbgfs_##name##_read, \
109 .open = iwl_dbgfs_open_file_generic, \
110};
111
112
113static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
114 char __user *user_buf,
115 size_t count, loff_t *ppos) {
116
117 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
118 char buf[256];
119 int pos = 0;
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700120 const size_t bufsz = sizeof(buf);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700121
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700122 pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
123 priv->tx_stats[0].cnt);
124 pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
125 priv->tx_stats[1].cnt);
126 pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
127 priv->tx_stats[2].cnt);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700128
129 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
130}
131
132static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
133 char __user *user_buf,
134 size_t count, loff_t *ppos) {
135
136 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
137 char buf[256];
138 int pos = 0;
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700139 const size_t bufsz = sizeof(buf);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700140
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700141 pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
142 priv->rx_stats[0].cnt);
143 pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
144 priv->rx_stats[1].cnt);
145 pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
146 priv->rx_stats[2].cnt);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700147
148 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
149}
150
151#define BYTE1_MASK 0x000000ff;
152#define BYTE2_MASK 0x0000ffff;
153#define BYTE3_MASK 0x00ffffff;
154static ssize_t iwl_dbgfs_sram_read(struct file *file,
155 char __user *user_buf,
156 size_t count, loff_t *ppos)
157{
158 u32 val;
159 char buf[1024];
160 ssize_t ret;
161 int i;
162 int pos = 0;
163 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700164 const size_t bufsz = sizeof(buf);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700165
166 printk(KERN_DEBUG "offset is: 0x%x\tlen is: 0x%x\n",
167 priv->dbgfs->sram_offset, priv->dbgfs->sram_len);
168
Tomas Winkler3395f6e2008-03-25 16:33:37 -0700169 iwl_grab_nic_access(priv);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700170 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
Tomas Winkler3395f6e2008-03-25 16:33:37 -0700171 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700172 priv->dbgfs->sram_len - i);
173 if (i < 4) {
174 switch (i) {
175 case 1:
176 val &= BYTE1_MASK;
177 break;
178 case 2:
179 val &= BYTE2_MASK;
180 break;
181 case 3:
182 val &= BYTE3_MASK;
183 break;
184 }
185 }
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700186 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700187 }
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700188 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Tomas Winkler3395f6e2008-03-25 16:33:37 -0700189 iwl_release_nic_access(priv);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700190
191 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
192 return ret;
193}
194
195static ssize_t iwl_dbgfs_sram_write(struct file *file,
196 const char __user *user_buf,
197 size_t count, loff_t *ppos)
198{
199 struct iwl_priv *priv = file->private_data;
200 char buf[64];
201 int buf_size;
202 u32 offset, len;
203
204 memset(buf, 0, sizeof(buf));
205 buf_size = min(count, sizeof(buf) - 1);
206 if (copy_from_user(buf, user_buf, buf_size))
207 return -EFAULT;
208
209 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
210 priv->dbgfs->sram_offset = offset;
211 priv->dbgfs->sram_len = len;
212 } else {
213 priv->dbgfs->sram_offset = 0;
214 priv->dbgfs->sram_len = 0;
215 }
216
217 return count;
218}
219
220static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
221 size_t count, loff_t *ppos)
222{
223 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
Tomas Winkler6def9762008-05-05 10:22:31 +0800224 struct iwl_station_entry *station;
Tomas Winkler5425e492008-04-15 16:01:38 -0700225 int max_sta = priv->hw_params.max_stations;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700226 char *buf;
227 int i, j, pos = 0;
228 ssize_t ret;
229 /* Add 30 for initial string */
230 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
231 DECLARE_MAC_BUF(mac);
232
233 buf = kmalloc(bufsz, GFP_KERNEL);
Tomas Winkler3ac7f142008-07-21 02:40:14 +0300234 if (!buf)
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700235 return -ENOMEM;
236
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700237 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700238 priv->num_stations);
239
240 for (i = 0; i < max_sta; i++) {
241 station = &priv->stations[i];
242 if (station->used) {
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700243 pos += scnprintf(buf + pos, bufsz - pos,
244 "station %d:\ngeneral data:\n", i+1);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700245 print_mac(mac, station->sta.sta.addr);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700246 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700247 station->sta.sta.sta_id);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700248 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700249 station->sta.mode);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700250 pos += scnprintf(buf + pos, bufsz - pos,
251 "flags: 0x%x\n",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700252 station->sta.station_flags_msk);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700253 pos += scnprintf(buf + pos, bufsz - pos,
254 "ps_status: %u\n", station->ps_status);
255 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
256 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700257 "seq_num\t\ttxq_id");
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700258 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700259 "\tframe_count\twait_for_ba\t");
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700260 pos += scnprintf(buf + pos, bufsz - pos,
261 "start_idx\tbitmap0\t");
262 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700263 "bitmap1\trate_n_flags");
David S. Miller344234d2008-04-19 18:09:39 -0700264 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700265
266 for (j = 0; j < MAX_TID_COUNT; j++) {
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700267 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700268 "[%d]:\t\t%u", j,
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700269 station->tid[j].seq_number);
270 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700271 "\t%u\t\t%u\t\t%u\t\t",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700272 station->tid[j].agg.txq_id,
273 station->tid[j].agg.frame_count,
274 station->tid[j].agg.wait_for_ba);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700275 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700276 "%u\t%llu\t%u",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700277 station->tid[j].agg.start_idx,
John W. Linville16788592008-04-01 20:59:32 -0400278 (unsigned long long)station->tid[j].agg.bitmap,
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700279 station->tid[j].agg.rate_n_flags);
David S. Miller344234d2008-04-19 18:09:39 -0700280 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700281 }
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700282 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700283 }
284 }
285
286 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
287 kfree(buf);
288 return ret;
289}
290
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800291static ssize_t iwl_dbgfs_eeprom_read(struct file *file,
292 char __user *user_buf,
293 size_t count,
294 loff_t *ppos)
295{
296 ssize_t ret;
297 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
298 int pos = 0, ofs = 0, buf_size = 0;
299 const u8 *ptr;
300 char *buf;
301 size_t eeprom_len = priv->cfg->eeprom_size;
302 buf_size = 4 * eeprom_len + 256;
303
304 if (eeprom_len % 16) {
305 IWL_ERROR("EEPROM size is not multiple of 16.\n");
306 return -ENODATA;
307 }
308
309 /* 4 characters for byte 0xYY */
310 buf = kzalloc(buf_size, GFP_KERNEL);
311 if (!buf) {
312 IWL_ERROR("Can not allocate Buffer\n");
313 return -ENOMEM;
314 }
315
316 ptr = priv->eeprom;
317 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
318 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
319 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
320 buf_size - pos, 0);
321 pos += strlen(buf);
322 if (buf_size - pos > 0)
323 buf[pos++] = '\n';
324 }
325
326 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
327 kfree(buf);
328 return ret;
329}
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700330
Ester Kummer189a2b52008-05-15 13:54:18 +0800331static ssize_t iwl_dbgfs_log_event_write(struct file *file,
332 const char __user *user_buf,
333 size_t count, loff_t *ppos)
334{
335 struct iwl_priv *priv = file->private_data;
336 u32 event_log_flag;
337 char buf[8];
338 int buf_size;
339
340 memset(buf, 0, sizeof(buf));
341 buf_size = min(count, sizeof(buf) - 1);
342 if (copy_from_user(buf, user_buf, buf_size))
343 return -EFAULT;
344 if (sscanf(buf, "%d", &event_log_flag) != 1)
345 return -EFAULT;
346 if (event_log_flag == 1)
347 iwl_dump_nic_event_log(priv);
348
349 return count;
350}
351
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700352DEBUGFS_READ_WRITE_FILE_OPS(sram);
Ester Kummer189a2b52008-05-15 13:54:18 +0800353DEBUGFS_WRITE_FILE_OPS(log_event);
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800354DEBUGFS_READ_FILE_OPS(eeprom);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700355DEBUGFS_READ_FILE_OPS(stations);
356DEBUGFS_READ_FILE_OPS(rx_statistics);
357DEBUGFS_READ_FILE_OPS(tx_statistics);
358
359/*
360 * Create the debugfs files and directories
361 *
362 */
363int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
364{
365 struct iwl_debugfs *dbgfs;
Zhu Yi95b1a822008-05-29 16:34:50 +0800366 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
Tomas Winkler3ac7f142008-07-21 02:40:14 +0300367 int ret = 0;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700368
369 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
370 if (!dbgfs) {
Tomas Winkler3ac7f142008-07-21 02:40:14 +0300371 ret = -ENOMEM;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700372 goto err;
373 }
374
375 priv->dbgfs = dbgfs;
376 dbgfs->name = name;
Zhu Yi95b1a822008-05-29 16:34:50 +0800377 dbgfs->dir_drv = debugfs_create_dir(name, phyd);
Tomas Winkler3ac7f142008-07-21 02:40:14 +0300378 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
379 ret = -ENOENT;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700380 goto err;
381 }
382
383 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
Tomas Winkler445c2df2008-05-15 13:54:16 +0800384 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800385 DEBUGFS_ADD_FILE(eeprom, data);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700386 DEBUGFS_ADD_FILE(sram, data);
Ester Kummer189a2b52008-05-15 13:54:18 +0800387 DEBUGFS_ADD_FILE(log_event, data);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700388 DEBUGFS_ADD_FILE(stations, data);
389 DEBUGFS_ADD_FILE(rx_statistics, data);
390 DEBUGFS_ADD_FILE(tx_statistics, data);
Tomas Winkler445c2df2008-05-15 13:54:16 +0800391 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
392 DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
393 &priv->disable_chain_noise_cal);
Emmanuel Grumbach203566f2008-06-12 09:46:54 +0800394 DEBUGFS_ADD_BOOL(disable_tx_power, rf, &priv->disable_tx_power_cal);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700395 return 0;
396
397err:
398 IWL_ERROR("Can't open the debugfs directory\n");
399 iwl_dbgfs_unregister(priv);
Tomas Winkler3ac7f142008-07-21 02:40:14 +0300400 return ret;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700401}
402EXPORT_SYMBOL(iwl_dbgfs_register);
403
404/**
405 * Remove the debugfs files and directories
406 *
407 */
408void iwl_dbgfs_unregister(struct iwl_priv *priv)
409{
Tomas Winkler3ac7f142008-07-21 02:40:14 +0300410 if (!priv->dbgfs)
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700411 return;
412
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800413 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_eeprom);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700414 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_rx_statistics);
415 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_tx_statistics);
416 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
Ester Kummer189a2b52008-05-15 13:54:18 +0800417 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700418 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
419 DEBUGFS_REMOVE(priv->dbgfs->dir_data);
Tomas Winkler445c2df2008-05-15 13:54:16 +0800420 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
421 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
Emmanuel Grumbach203566f2008-06-12 09:46:54 +0800422 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
Tomas Winkler445c2df2008-05-15 13:54:16 +0800423 DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700424 DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
425 kfree(priv->dbgfs);
426 priv->dbgfs = NULL;
427}
428EXPORT_SYMBOL(iwl_dbgfs_unregister);
429
430
Tomas Winkler445c2df2008-05-15 13:54:16 +0800431