blob: d134301b553c6dc8e0106842b75950bd3fe15a8e [file] [log] [blame]
Tomas Winkler712b6cf2008-03-12 16:58:52 -07001/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
Reinette Chatre1f447802010-01-15 13:43:41 -08005 * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
Tomas Winkler712b6cf2008-03-12 16:58:52 -07006 *
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:
Winkler, Tomas759ef892008-12-09 11:28:58 -080025 * Intel Linux Wireless <ilw@linux.intel.com>
Tomas Winkler712b6cf2008-03-12 16:58:52 -070026 * 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"
Wey-Yi Guy52259352009-08-07 15:41:43 -070041#include "iwl-calib.h"
Tomas Winkler712b6cf2008-03-12 16:58:52 -070042
43/* create and remove of files */
Johannes Berg4c84a8f2010-01-22 14:22:54 -080044#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
45 if (!debugfs_create_file(#name, mode, parent, priv, \
46 &iwl_dbgfs_##name##_ops)) \
47 goto err; \
Tomas Winkler712b6cf2008-03-12 16:58:52 -070048} while (0)
49
Johannes Berg4c84a8f2010-01-22 14:22:54 -080050#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
51 struct dentry *__tmp; \
52 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
53 parent, ptr); \
54 if (IS_ERR(__tmp) || !__tmp) \
55 goto err; \
Tomas Winkler712b6cf2008-03-12 16:58:52 -070056} while (0)
57
Johannes Berg4c84a8f2010-01-22 14:22:54 -080058#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
59 struct dentry *__tmp; \
60 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
61 parent, ptr); \
62 if (IS_ERR(__tmp) || !__tmp) \
63 goto err; \
Tomas Winkler445c2df2008-05-15 13:54:16 +080064} while (0)
65
Tomas Winkler712b6cf2008-03-12 16:58:52 -070066/* file operation */
67#define DEBUGFS_READ_FUNC(name) \
68static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
69 char __user *user_buf, \
70 size_t count, loff_t *ppos);
71
72#define DEBUGFS_WRITE_FUNC(name) \
73static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
74 const char __user *user_buf, \
75 size_t count, loff_t *ppos);
76
77
78static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
79{
80 file->private_data = inode->i_private;
81 return 0;
82}
83
84#define DEBUGFS_READ_FILE_OPS(name) \
85 DEBUGFS_READ_FUNC(name); \
86static const struct file_operations iwl_dbgfs_##name##_ops = { \
87 .read = iwl_dbgfs_##name##_read, \
88 .open = iwl_dbgfs_open_file_generic, \
89};
90
Ester Kummer189a2b52008-05-15 13:54:18 +080091#define DEBUGFS_WRITE_FILE_OPS(name) \
92 DEBUGFS_WRITE_FUNC(name); \
93static const struct file_operations iwl_dbgfs_##name##_ops = { \
94 .write = iwl_dbgfs_##name##_write, \
95 .open = iwl_dbgfs_open_file_generic, \
96};
97
98
Tomas Winkler712b6cf2008-03-12 16:58:52 -070099#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
100 DEBUGFS_READ_FUNC(name); \
101 DEBUGFS_WRITE_FUNC(name); \
102static const struct file_operations iwl_dbgfs_##name##_ops = { \
103 .write = iwl_dbgfs_##name##_write, \
104 .read = iwl_dbgfs_##name##_read, \
105 .open = iwl_dbgfs_open_file_generic, \
106};
107
108
109static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
110 char __user *user_buf,
111 size_t count, loff_t *ppos) {
112
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700113 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700114 char *buf;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700115 int pos = 0;
116
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700117 int cnt;
118 ssize_t ret;
Wey-Yi Guy98a7b432009-11-13 11:56:31 -0800119 const size_t bufsz = 100 +
120 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700121 buf = kzalloc(bufsz, GFP_KERNEL);
122 if (!buf)
123 return -ENOMEM;
124 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
125 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
126 pos += scnprintf(buf + pos, bufsz - pos,
Wey-Yi Guy98a7b432009-11-13 11:56:31 -0800127 "\t%25s\t\t: %u\n",
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700128 get_mgmt_string(cnt),
129 priv->tx_stats.mgmt[cnt]);
130 }
131 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
132 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
133 pos += scnprintf(buf + pos, bufsz - pos,
Wey-Yi Guy98a7b432009-11-13 11:56:31 -0800134 "\t%25s\t\t: %u\n",
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700135 get_ctrl_string(cnt),
136 priv->tx_stats.ctrl[cnt]);
137 }
138 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
139 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
140 priv->tx_stats.data_cnt);
141 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
142 priv->tx_stats.data_bytes);
143 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
144 kfree(buf);
145 return ret;
146}
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700147
Wey-Yi Guy7163b8a2009-11-20 12:04:56 -0800148static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700149 const char __user *user_buf,
150 size_t count, loff_t *ppos)
151{
152 struct iwl_priv *priv = file->private_data;
153 u32 clear_flag;
154 char buf[8];
155 int buf_size;
156
157 memset(buf, 0, sizeof(buf));
158 buf_size = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, buf_size))
160 return -EFAULT;
161 if (sscanf(buf, "%x", &clear_flag) != 1)
162 return -EFAULT;
Wey-Yi Guy7163b8a2009-11-20 12:04:56 -0800163 iwl_clear_traffic_stats(priv);
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700164
165 return count;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700166}
167
168static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
169 char __user *user_buf,
170 size_t count, loff_t *ppos) {
171
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700172 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700173 char *buf;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700174 int pos = 0;
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700175 int cnt;
176 ssize_t ret;
177 const size_t bufsz = 100 +
Wey-Yi Guy98a7b432009-11-13 11:56:31 -0800178 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700179 buf = kzalloc(bufsz, GFP_KERNEL);
180 if (!buf)
181 return -ENOMEM;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700182
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700183 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
184 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
185 pos += scnprintf(buf + pos, bufsz - pos,
Wey-Yi Guy98a7b432009-11-13 11:56:31 -0800186 "\t%25s\t\t: %u\n",
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700187 get_mgmt_string(cnt),
188 priv->rx_stats.mgmt[cnt]);
189 }
190 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
191 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
192 pos += scnprintf(buf + pos, bufsz - pos,
Wey-Yi Guy98a7b432009-11-13 11:56:31 -0800193 "\t%25s\t\t: %u\n",
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700194 get_ctrl_string(cnt),
195 priv->rx_stats.ctrl[cnt]);
196 }
197 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
198 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
199 priv->rx_stats.data_cnt);
200 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
201 priv->rx_stats.data_bytes);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700202
Wey-Yi Guy22fdf3c2009-08-07 15:41:40 -0700203 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
204 kfree(buf);
205 return ret;
206}
207
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700208#define BYTE1_MASK 0x000000ff;
209#define BYTE2_MASK 0x0000ffff;
210#define BYTE3_MASK 0x00ffffff;
211static ssize_t iwl_dbgfs_sram_read(struct file *file,
212 char __user *user_buf,
213 size_t count, loff_t *ppos)
214{
215 u32 val;
Wey-Yi Guy2943f132009-11-20 12:05:00 -0800216 char *buf;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700217 ssize_t ret;
218 int i;
219 int pos = 0;
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700220 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy2943f132009-11-20 12:05:00 -0800221 size_t bufsz;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700222
Wey-Yi Guy5ade1e42009-11-20 12:05:04 -0800223 /* default is to dump the entire data segment */
Johannes Berg4c84a8f2010-01-22 14:22:54 -0800224 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
225 priv->dbgfs_sram_offset = 0x800000;
Wey-Yi Guy5ade1e42009-11-20 12:05:04 -0800226 if (priv->ucode_type == UCODE_INIT)
Johannes Berg4c84a8f2010-01-22 14:22:54 -0800227 priv->dbgfs_sram_len = priv->ucode_init_data.len;
Wey-Yi Guy5ade1e42009-11-20 12:05:04 -0800228 else
Johannes Berg4c84a8f2010-01-22 14:22:54 -0800229 priv->dbgfs_sram_len = priv->ucode_data.len;
Wey-Yi Guy5ade1e42009-11-20 12:05:04 -0800230 }
Johannes Berg4c84a8f2010-01-22 14:22:54 -0800231 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10;
Wey-Yi Guy2943f132009-11-20 12:05:00 -0800232 buf = kmalloc(bufsz, GFP_KERNEL);
233 if (!buf)
234 return -ENOMEM;
Wey-Yi Guy5ade1e42009-11-20 12:05:04 -0800235 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
Johannes Berg4c84a8f2010-01-22 14:22:54 -0800236 priv->dbgfs_sram_len);
Wey-Yi Guy5ade1e42009-11-20 12:05:04 -0800237 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
Johannes Berg4c84a8f2010-01-22 14:22:54 -0800238 priv->dbgfs_sram_offset);
239 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
240 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
241 priv->dbgfs_sram_len - i);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700242 if (i < 4) {
243 switch (i) {
244 case 1:
245 val &= BYTE1_MASK;
246 break;
247 case 2:
248 val &= BYTE2_MASK;
249 break;
250 case 3:
251 val &= BYTE3_MASK;
252 break;
253 }
254 }
Wey-Yi Guy2943f132009-11-20 12:05:00 -0800255 if (!(i % 16))
256 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700257 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700258 }
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700259 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700260
261 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
Wey-Yi Guy2943f132009-11-20 12:05:00 -0800262 kfree(buf);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700263 return ret;
264}
265
266static ssize_t iwl_dbgfs_sram_write(struct file *file,
267 const char __user *user_buf,
268 size_t count, loff_t *ppos)
269{
270 struct iwl_priv *priv = file->private_data;
271 char buf[64];
272 int buf_size;
273 u32 offset, len;
274
275 memset(buf, 0, sizeof(buf));
276 buf_size = min(count, sizeof(buf) - 1);
277 if (copy_from_user(buf, user_buf, buf_size))
278 return -EFAULT;
279
280 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
Johannes Berg4c84a8f2010-01-22 14:22:54 -0800281 priv->dbgfs_sram_offset = offset;
282 priv->dbgfs_sram_len = len;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700283 } else {
Johannes Berg4c84a8f2010-01-22 14:22:54 -0800284 priv->dbgfs_sram_offset = 0;
285 priv->dbgfs_sram_len = 0;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700286 }
287
288 return count;
289}
290
291static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
292 size_t count, loff_t *ppos)
293{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700294 struct iwl_priv *priv = file->private_data;
Tomas Winkler6def9762008-05-05 10:22:31 +0800295 struct iwl_station_entry *station;
Tomas Winkler5425e492008-04-15 16:01:38 -0700296 int max_sta = priv->hw_params.max_stations;
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700297 char *buf;
298 int i, j, pos = 0;
299 ssize_t ret;
300 /* Add 30 for initial string */
301 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700302
303 buf = kmalloc(bufsz, GFP_KERNEL);
Tomas Winkler3ac7f142008-07-21 02:40:14 +0300304 if (!buf)
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700305 return -ENOMEM;
306
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700307 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700308 priv->num_stations);
309
310 for (i = 0; i < max_sta; i++) {
311 station = &priv->stations[i];
312 if (station->used) {
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700313 pos += scnprintf(buf + pos, bufsz - pos,
314 "station %d:\ngeneral data:\n", i+1);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700315 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700316 station->sta.sta.sta_id);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700317 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700318 station->sta.mode);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700319 pos += scnprintf(buf + pos, bufsz - pos,
320 "flags: 0x%x\n",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700321 station->sta.station_flags_msk);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700322 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
323 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700324 "seq_num\t\ttxq_id");
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700325 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700326 "\tframe_count\twait_for_ba\t");
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700327 pos += scnprintf(buf + pos, bufsz - pos,
328 "start_idx\tbitmap0\t");
329 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700330 "bitmap1\trate_n_flags");
David S. Miller344234d2008-04-19 18:09:39 -0700331 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700332
333 for (j = 0; j < MAX_TID_COUNT; j++) {
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700334 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700335 "[%d]:\t\t%u", j,
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700336 station->tid[j].seq_number);
337 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700338 "\t%u\t\t%u\t\t%u\t\t",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700339 station->tid[j].agg.txq_id,
340 station->tid[j].agg.frame_count,
341 station->tid[j].agg.wait_for_ba);
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700342 pos += scnprintf(buf + pos, bufsz - pos,
David S. Miller344234d2008-04-19 18:09:39 -0700343 "%u\t%llu\t%u",
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700344 station->tid[j].agg.start_idx,
John W. Linville16788592008-04-01 20:59:32 -0400345 (unsigned long long)station->tid[j].agg.bitmap,
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700346 station->tid[j].agg.rate_n_flags);
David S. Miller344234d2008-04-19 18:09:39 -0700347 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700348 }
Abhijeet Kolekardb0589f2008-04-14 21:16:04 -0700349 pos += scnprintf(buf + pos, bufsz - pos, "\n");
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700350 }
351 }
352
353 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
354 kfree(buf);
355 return ret;
356}
357
Wey-Yi Guy0848e292009-05-22 11:01:46 -0700358static ssize_t iwl_dbgfs_nvm_read(struct file *file,
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800359 char __user *user_buf,
360 size_t count,
361 loff_t *ppos)
362{
363 ssize_t ret;
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700364 struct iwl_priv *priv = file->private_data;
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800365 int pos = 0, ofs = 0, buf_size = 0;
366 const u8 *ptr;
367 char *buf;
Wey-Yi Guye307ddc2009-09-11 10:38:16 -0700368 u16 eeprom_ver;
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800369 size_t eeprom_len = priv->cfg->eeprom_size;
370 buf_size = 4 * eeprom_len + 256;
371
372 if (eeprom_len % 16) {
Wey-Yi Guy0848e292009-05-22 11:01:46 -0700373 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800374 return -ENODATA;
375 }
376
Julia Lawallc37457e2009-08-03 11:11:45 +0200377 ptr = priv->eeprom;
378 if (!ptr) {
379 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
380 return -ENOMEM;
381 }
382
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800383 /* 4 characters for byte 0xYY */
384 buf = kzalloc(buf_size, GFP_KERNEL);
385 if (!buf) {
Winkler, Tomas15b16872008-12-19 10:37:33 +0800386 IWL_ERR(priv, "Can not allocate Buffer\n");
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800387 return -ENOMEM;
388 }
Wey-Yi Guye307ddc2009-09-11 10:38:16 -0700389 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
390 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
391 "version: 0x%x\n",
Wey-Yi Guy0848e292009-05-22 11:01:46 -0700392 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
Wey-Yi Guye307ddc2009-09-11 10:38:16 -0700393 ? "OTP" : "EEPROM", eeprom_ver);
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800394 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
395 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
396 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
397 buf_size - pos, 0);
Reinette Chatre2fac9712009-09-25 14:24:21 -0700398 pos += strlen(buf + pos);
Tomas Winkler8dd266e2008-05-05 10:22:32 +0800399 if (buf_size - pos > 0)
400 buf[pos++] = '\n';
401 }
402
403 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
404 kfree(buf);
405 return ret;
406}
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700407
Wey-Yi Guyb03d7d02009-12-14 14:12:20 -0800408static ssize_t iwl_dbgfs_log_event_read(struct file *file,
409 char __user *user_buf,
410 size_t count, loff_t *ppos)
411{
412 struct iwl_priv *priv = file->private_data;
413 char *buf;
414 int pos = 0;
415 ssize_t ret = -ENOMEM;
416
Wey-Yi Guy937c3972010-01-15 13:43:36 -0800417 ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
418 priv, true, &buf, true);
419 if (buf) {
Wey-Yi Guyb03d7d02009-12-14 14:12:20 -0800420 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
421 kfree(buf);
422 }
423 return ret;
424}
425
Ester Kummer189a2b52008-05-15 13:54:18 +0800426static ssize_t iwl_dbgfs_log_event_write(struct file *file,
427 const char __user *user_buf,
428 size_t count, loff_t *ppos)
429{
430 struct iwl_priv *priv = file->private_data;
431 u32 event_log_flag;
432 char buf[8];
433 int buf_size;
434
435 memset(buf, 0, sizeof(buf));
436 buf_size = min(count, sizeof(buf) - 1);
437 if (copy_from_user(buf, user_buf, buf_size))
438 return -EFAULT;
439 if (sscanf(buf, "%d", &event_log_flag) != 1)
440 return -EFAULT;
441 if (event_log_flag == 1)
Wey-Yi Guyb03d7d02009-12-14 14:12:20 -0800442 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
443 NULL, false);
Ester Kummer189a2b52008-05-15 13:54:18 +0800444
445 return count;
446}
447
Winkler, Tomasd366df52008-12-02 12:14:01 -0800448
449
450static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
451 size_t count, loff_t *ppos)
452{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700453 struct iwl_priv *priv = file->private_data;
Winkler, Tomasd366df52008-12-02 12:14:01 -0800454 struct ieee80211_channel *channels = NULL;
455 const struct ieee80211_supported_band *supp_band = NULL;
456 int pos = 0, i, bufsz = PAGE_SIZE;
457 char *buf;
458 ssize_t ret;
459
460 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
461 return -EAGAIN;
462
463 buf = kzalloc(bufsz, GFP_KERNEL);
464 if (!buf) {
Winkler, Tomas15b16872008-12-19 10:37:33 +0800465 IWL_ERR(priv, "Can not allocate Buffer\n");
Winkler, Tomasd366df52008-12-02 12:14:01 -0800466 return -ENOMEM;
467 }
468
469 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
Wey-Yi Guya2e23222009-05-22 11:01:55 -0700470 if (supp_band) {
471 channels = supp_band->channels;
Winkler, Tomasd366df52008-12-02 12:14:01 -0800472
Winkler, Tomasd366df52008-12-02 12:14:01 -0800473 pos += scnprintf(buf + pos, bufsz - pos,
Wey-Yi Guya2e23222009-05-22 11:01:55 -0700474 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
475 supp_band->n_channels);
Winkler, Tomasd366df52008-12-02 12:14:01 -0800476
Wey-Yi Guya2e23222009-05-22 11:01:55 -0700477 for (i = 0; i < supp_band->n_channels; i++)
478 pos += scnprintf(buf + pos, bufsz - pos,
479 "%d: %ddBm: BSS%s%s, %s.\n",
480 ieee80211_frequency_to_channel(
481 channels[i].center_freq),
482 channels[i].max_power,
483 channels[i].flags & IEEE80211_CHAN_RADAR ?
484 " (IEEE 802.11h required)" : "",
485 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
486 || (channels[i].flags &
487 IEEE80211_CHAN_RADAR)) ? "" :
488 ", IBSS",
489 channels[i].flags &
490 IEEE80211_CHAN_PASSIVE_SCAN ?
491 "passive only" : "active/passive");
492 }
Winkler, Tomasd366df52008-12-02 12:14:01 -0800493 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
Wey-Yi Guya2e23222009-05-22 11:01:55 -0700494 if (supp_band) {
495 channels = supp_band->channels;
Winkler, Tomasd366df52008-12-02 12:14:01 -0800496
Winkler, Tomasd366df52008-12-02 12:14:01 -0800497 pos += scnprintf(buf + pos, bufsz - pos,
Wey-Yi Guya2e23222009-05-22 11:01:55 -0700498 "Displaying %d channels in 5.2GHz band (802.11a)\n",
499 supp_band->n_channels);
500
501 for (i = 0; i < supp_band->n_channels; i++)
502 pos += scnprintf(buf + pos, bufsz - pos,
503 "%d: %ddBm: BSS%s%s, %s.\n",
504 ieee80211_frequency_to_channel(
505 channels[i].center_freq),
506 channels[i].max_power,
507 channels[i].flags & IEEE80211_CHAN_RADAR ?
508 " (IEEE 802.11h required)" : "",
509 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
510 || (channels[i].flags &
511 IEEE80211_CHAN_RADAR)) ? "" :
512 ", IBSS",
513 channels[i].flags &
514 IEEE80211_CHAN_PASSIVE_SCAN ?
515 "passive only" : "active/passive");
516 }
Winkler, Tomasd366df52008-12-02 12:14:01 -0800517 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
518 kfree(buf);
519 return ret;
520}
521
Wey-Yi Guy08df05a2009-03-24 10:02:54 -0700522static ssize_t iwl_dbgfs_status_read(struct file *file,
523 char __user *user_buf,
524 size_t count, loff_t *ppos) {
525
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700526 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy08df05a2009-03-24 10:02:54 -0700527 char buf[512];
528 int pos = 0;
529 const size_t bufsz = sizeof(buf);
530
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
532 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
534 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
536 test_bit(STATUS_INT_ENABLED, &priv->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
538 test_bit(STATUS_RF_KILL_HW, &priv->status));
Wey-Yi Guy7812b162009-10-02 13:43:58 -0700539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
540 test_bit(STATUS_CT_KILL, &priv->status));
Wey-Yi Guy08df05a2009-03-24 10:02:54 -0700541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
542 test_bit(STATUS_INIT, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
544 test_bit(STATUS_ALIVE, &priv->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
546 test_bit(STATUS_READY, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
548 test_bit(STATUS_TEMPERATURE, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
550 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
552 test_bit(STATUS_EXIT_PENDING, &priv->status));
Wey-Yi Guy08df05a2009-03-24 10:02:54 -0700553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
554 test_bit(STATUS_STATISTICS, &priv->status));
555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
556 test_bit(STATUS_SCANNING, &priv->status));
557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
558 test_bit(STATUS_SCAN_ABORTING, &priv->status));
559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
560 test_bit(STATUS_SCAN_HW, &priv->status));
561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
562 test_bit(STATUS_POWER_PMI, &priv->status));
563 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
564 test_bit(STATUS_FW_ERROR, &priv->status));
565 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
566 test_bit(STATUS_MODE_PENDING, &priv->status));
567 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
568}
569
Wey-Yi Guya83b9142009-04-08 11:39:32 -0700570static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
571 char __user *user_buf,
572 size_t count, loff_t *ppos) {
573
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700574 struct iwl_priv *priv = file->private_data;
Wey-Yi Guya83b9142009-04-08 11:39:32 -0700575 int pos = 0;
576 int cnt = 0;
577 char *buf;
578 int bufsz = 24 * 64; /* 24 items * 64 char per item */
579 ssize_t ret;
580
581 buf = kzalloc(bufsz, GFP_KERNEL);
582 if (!buf) {
583 IWL_ERR(priv, "Can not allocate Buffer\n");
584 return -ENOMEM;
585 }
586
587 pos += scnprintf(buf + pos, bufsz - pos,
588 "Interrupt Statistics Report:\n");
589
590 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
591 priv->isr_stats.hw);
592 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
593 priv->isr_stats.sw);
594 if (priv->isr_stats.sw > 0) {
595 pos += scnprintf(buf + pos, bufsz - pos,
596 "\tLast Restarting Code: 0x%X\n",
597 priv->isr_stats.sw_err);
598 }
599#ifdef CONFIG_IWLWIFI_DEBUG
600 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
601 priv->isr_stats.sch);
602 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
603 priv->isr_stats.alive);
604#endif
605 pos += scnprintf(buf + pos, bufsz - pos,
606 "HW RF KILL switch toggled:\t %u\n",
607 priv->isr_stats.rfkill);
608
609 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
610 priv->isr_stats.ctkill);
611
612 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
613 priv->isr_stats.wakeup);
614
615 pos += scnprintf(buf + pos, bufsz - pos,
616 "Rx command responses:\t\t %u\n",
617 priv->isr_stats.rx);
618 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
619 if (priv->isr_stats.rx_handlers[cnt] > 0)
620 pos += scnprintf(buf + pos, bufsz - pos,
621 "\tRx handler[%36s]:\t\t %u\n",
622 get_cmd_string(cnt),
623 priv->isr_stats.rx_handlers[cnt]);
624 }
625
626 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
627 priv->isr_stats.tx);
628
629 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
630 priv->isr_stats.unhandled);
631
632 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
633 kfree(buf);
634 return ret;
635}
636
637static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
638 const char __user *user_buf,
639 size_t count, loff_t *ppos)
640{
641 struct iwl_priv *priv = file->private_data;
642 char buf[8];
643 int buf_size;
644 u32 reset_flag;
645
646 memset(buf, 0, sizeof(buf));
647 buf_size = min(count, sizeof(buf) - 1);
648 if (copy_from_user(buf, user_buf, buf_size))
649 return -EFAULT;
650 if (sscanf(buf, "%x", &reset_flag) != 1)
651 return -EFAULT;
652 if (reset_flag == 0)
653 iwl_clear_isr_stats(priv);
654
655 return count;
656}
657
Wey-Yi Guyf5ad69f2009-07-09 10:33:36 -0700658static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
659 size_t count, loff_t *ppos)
660{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700661 struct iwl_priv *priv = file->private_data;
Wey-Yi Guyf5ad69f2009-07-09 10:33:36 -0700662 int pos = 0, i;
663 char buf[256];
664 const size_t bufsz = sizeof(buf);
665 ssize_t ret;
666
667 for (i = 0; i < AC_NUM; i++) {
668 pos += scnprintf(buf + pos, bufsz - pos,
669 "\tcw_min\tcw_max\taifsn\ttxop\n");
670 pos += scnprintf(buf + pos, bufsz - pos,
671 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
672 priv->qos_data.def_qos_parm.ac[i].cw_min,
673 priv->qos_data.def_qos_parm.ac[i].cw_max,
674 priv->qos_data.def_qos_parm.ac[i].aifsn,
675 priv->qos_data.def_qos_parm.ac[i].edca_txop);
676 }
677 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
678 return ret;
679}
Wey-Yi Guya83b9142009-04-08 11:39:32 -0700680
Wey-Yi Guya283c012009-07-17 09:30:19 -0700681static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
682 size_t count, loff_t *ppos)
683{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700684 struct iwl_priv *priv = file->private_data;
Wey-Yi Guya283c012009-07-17 09:30:19 -0700685 int pos = 0;
686 char buf[256];
687 const size_t bufsz = sizeof(buf);
688 ssize_t ret;
689
690 pos += scnprintf(buf + pos, bufsz - pos,
691 "allow blinking: %s\n",
692 (priv->allow_blinking) ? "True" : "False");
693 if (priv->allow_blinking) {
694 pos += scnprintf(buf + pos, bufsz - pos,
695 "Led blinking rate: %u\n",
696 priv->last_blink_rate);
697 pos += scnprintf(buf + pos, bufsz - pos,
698 "Last blink time: %lu\n",
699 priv->last_blink_time);
700 }
701
702 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
703 return ret;
704}
Wey-Yi Guya283c012009-07-17 09:30:19 -0700705
Wey-Yi Guyfbf3a2a2009-07-24 11:13:04 -0700706static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
707 char __user *user_buf,
708 size_t count, loff_t *ppos)
709{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700710 struct iwl_priv *priv = file->private_data;
Johannes Berg3ad3b922009-08-07 15:41:48 -0700711 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
Wey-Yi Guyfbf3a2a2009-07-24 11:13:04 -0700712 struct iwl_tt_restriction *restriction;
713 char buf[100];
714 int pos = 0;
715 const size_t bufsz = sizeof(buf);
716 ssize_t ret;
717
718 pos += scnprintf(buf + pos, bufsz - pos,
719 "Thermal Throttling Mode: %s\n",
Johannes Berg3ad3b922009-08-07 15:41:48 -0700720 tt->advanced_tt ? "Advance" : "Legacy");
Wey-Yi Guyfbf3a2a2009-07-24 11:13:04 -0700721 pos += scnprintf(buf + pos, bufsz - pos,
722 "Thermal Throttling State: %d\n",
723 tt->state);
Johannes Berg3ad3b922009-08-07 15:41:48 -0700724 if (tt->advanced_tt) {
Wey-Yi Guyfbf3a2a2009-07-24 11:13:04 -0700725 restriction = tt->restriction + tt->state;
726 pos += scnprintf(buf + pos, bufsz - pos,
727 "Tx mode: %d\n",
728 restriction->tx_stream);
729 pos += scnprintf(buf + pos, bufsz - pos,
730 "Rx mode: %d\n",
731 restriction->rx_stream);
732 pos += scnprintf(buf + pos, bufsz - pos,
733 "HT mode: %d\n",
734 restriction->is_ht);
735 }
736 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
737 return ret;
738}
739
Wey-Yi Guy1e4247d2009-07-27 13:50:15 -0700740static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
741 const char __user *user_buf,
742 size_t count, loff_t *ppos)
743{
744 struct iwl_priv *priv = file->private_data;
745 char buf[8];
746 int buf_size;
747 int ht40;
748
749 memset(buf, 0, sizeof(buf));
750 buf_size = min(count, sizeof(buf) - 1);
751 if (copy_from_user(buf, user_buf, buf_size))
752 return -EFAULT;
753 if (sscanf(buf, "%d", &ht40) != 1)
754 return -EFAULT;
755 if (!iwl_is_associated(priv))
756 priv->disable_ht40 = ht40 ? true : false;
757 else {
758 IWL_ERR(priv, "Sta associated with AP - "
759 "Change to 40MHz channel support is not allowed\n");
760 return -EINVAL;
761 }
762
763 return count;
764}
765
766static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
767 char __user *user_buf,
768 size_t count, loff_t *ppos)
769{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700770 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy1e4247d2009-07-27 13:50:15 -0700771 char buf[100];
772 int pos = 0;
773 const size_t bufsz = sizeof(buf);
774 ssize_t ret;
775
776 pos += scnprintf(buf + pos, bufsz - pos,
777 "11n 40MHz Mode: %s\n",
778 priv->disable_ht40 ? "Disabled" : "Enabled");
779 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
780 return ret;
781}
782
Johannes Berge312c242009-08-07 15:41:51 -0700783static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
784 const char __user *user_buf,
785 size_t count, loff_t *ppos)
786{
787 struct iwl_priv *priv = file->private_data;
788 char buf[8];
789 int buf_size;
790 int value;
791
792 memset(buf, 0, sizeof(buf));
793 buf_size = min(count, sizeof(buf) - 1);
794 if (copy_from_user(buf, user_buf, buf_size))
795 return -EFAULT;
796
797 if (sscanf(buf, "%d", &value) != 1)
798 return -EINVAL;
799
800 /*
801 * Our users expect 0 to be "CAM", but 0 isn't actually
802 * valid here. However, let's not confuse them and present
803 * IWL_POWER_INDEX_1 as "1", not "0".
804 */
Reinette Chatre1a34c042009-10-09 13:20:25 -0700805 if (value == 0)
806 return -EINVAL;
807 else if (value > 0)
Johannes Berge312c242009-08-07 15:41:51 -0700808 value -= 1;
809
810 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
811 return -EINVAL;
812
Wey-Yi Guy4ad177b2009-10-16 14:25:58 -0700813 if (!iwl_is_ready_rf(priv))
814 return -EAGAIN;
815
Johannes Berge312c242009-08-07 15:41:51 -0700816 priv->power_data.debug_sleep_level_override = value;
817
Reinette Chatred3a57192010-01-21 11:52:28 -0800818 mutex_lock(&priv->mutex);
Wey-Yi Guy4ad177b2009-10-16 14:25:58 -0700819 iwl_power_update_mode(priv, true);
Reinette Chatred3a57192010-01-21 11:52:28 -0800820 mutex_unlock(&priv->mutex);
Johannes Berge312c242009-08-07 15:41:51 -0700821
822 return count;
823}
824
825static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
826 char __user *user_buf,
827 size_t count, loff_t *ppos)
828{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700829 struct iwl_priv *priv = file->private_data;
Johannes Berge312c242009-08-07 15:41:51 -0700830 char buf[10];
831 int pos, value;
832 const size_t bufsz = sizeof(buf);
833
834 /* see the write function */
835 value = priv->power_data.debug_sleep_level_override;
836 if (value >= 0)
837 value += 1;
838
839 pos = scnprintf(buf, bufsz, "%d\n", value);
840 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
841}
842
843static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
844 char __user *user_buf,
845 size_t count, loff_t *ppos)
846{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700847 struct iwl_priv *priv = file->private_data;
Johannes Berge312c242009-08-07 15:41:51 -0700848 char buf[200];
849 int pos = 0, i;
850 const size_t bufsz = sizeof(buf);
851 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
852
853 pos += scnprintf(buf + pos, bufsz - pos,
854 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
855 pos += scnprintf(buf + pos, bufsz - pos,
856 "RX/TX timeout: %d/%d usec\n",
857 le32_to_cpu(cmd->rx_data_timeout),
858 le32_to_cpu(cmd->tx_data_timeout));
859 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
860 pos += scnprintf(buf + pos, bufsz - pos,
861 "sleep_interval[%d]: %d\n", i,
862 le32_to_cpu(cmd->sleep_interval[i]));
863
864 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
865}
866
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700867DEBUGFS_READ_WRITE_FILE_OPS(sram);
Wey-Yi Guyb03d7d02009-12-14 14:12:20 -0800868DEBUGFS_READ_WRITE_FILE_OPS(log_event);
Wey-Yi Guy0848e292009-05-22 11:01:46 -0700869DEBUGFS_READ_FILE_OPS(nvm);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700870DEBUGFS_READ_FILE_OPS(stations);
Winkler, Tomasd366df52008-12-02 12:14:01 -0800871DEBUGFS_READ_FILE_OPS(channels);
Wey-Yi Guy08df05a2009-03-24 10:02:54 -0700872DEBUGFS_READ_FILE_OPS(status);
Wey-Yi Guya83b9142009-04-08 11:39:32 -0700873DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
Wey-Yi Guyf5ad69f2009-07-09 10:33:36 -0700874DEBUGFS_READ_FILE_OPS(qos);
Wey-Yi Guya283c012009-07-17 09:30:19 -0700875DEBUGFS_READ_FILE_OPS(led);
Wey-Yi Guyfbf3a2a2009-07-24 11:13:04 -0700876DEBUGFS_READ_FILE_OPS(thermal_throttling);
Wey-Yi Guy1e4247d2009-07-27 13:50:15 -0700877DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
Johannes Berge312c242009-08-07 15:41:51 -0700878DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
879DEBUGFS_READ_FILE_OPS(current_sleep_command);
Tomas Winkler712b6cf2008-03-12 16:58:52 -0700880
Wey-Yi Guy20594eb2009-08-07 15:41:39 -0700881static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
882 char __user *user_buf,
883 size_t count, loff_t *ppos)
884{
885 struct iwl_priv *priv = file->private_data;
886 int pos = 0, ofs = 0;
887 int cnt = 0, entry;
888 struct iwl_tx_queue *txq;
889 struct iwl_queue *q;
890 struct iwl_rx_queue *rxq = &priv->rxq;
891 char *buf;
892 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
Wey-Yi Guy88804e22009-10-09 13:20:28 -0700893 (priv->cfg->num_of_queues * 32 * 8) + 400;
Wey-Yi Guy20594eb2009-08-07 15:41:39 -0700894 const u8 *ptr;
895 ssize_t ret;
896
Wey-Yi Guy88804e22009-10-09 13:20:28 -0700897 if (!priv->txq) {
898 IWL_ERR(priv, "txq not ready\n");
899 return -EAGAIN;
900 }
Wey-Yi Guy20594eb2009-08-07 15:41:39 -0700901 buf = kzalloc(bufsz, GFP_KERNEL);
902 if (!buf) {
903 IWL_ERR(priv, "Can not allocate buffer\n");
904 return -ENOMEM;
905 }
906 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
907 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
908 txq = &priv->txq[cnt];
909 q = &txq->q;
910 pos += scnprintf(buf + pos, bufsz - pos,
911 "q[%d]: read_ptr: %u, write_ptr: %u\n",
912 cnt, q->read_ptr, q->write_ptr);
913 }
914 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
915 ptr = priv->tx_traffic;
916 pos += scnprintf(buf + pos, bufsz - pos,
917 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
918 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
919 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
920 entry++, ofs += 16) {
921 pos += scnprintf(buf + pos, bufsz - pos,
922 "0x%.4x ", ofs);
923 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
924 buf + pos, bufsz - pos, 0);
Reinette Chatre2fac9712009-09-25 14:24:21 -0700925 pos += strlen(buf + pos);
Wey-Yi Guy20594eb2009-08-07 15:41:39 -0700926 if (bufsz - pos > 0)
927 buf[pos++] = '\n';
928 }
929 }
930 }
931
932 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
933 pos += scnprintf(buf + pos, bufsz - pos,
934 "read: %u, write: %u\n",
935 rxq->read, rxq->write);
936
937 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
938 ptr = priv->rx_traffic;
939 pos += scnprintf(buf + pos, bufsz - pos,
940 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
941 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
942 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
943 entry++, ofs += 16) {
944 pos += scnprintf(buf + pos, bufsz - pos,
945 "0x%.4x ", ofs);
946 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
947 buf + pos, bufsz - pos, 0);
Reinette Chatre2fac9712009-09-25 14:24:21 -0700948 pos += strlen(buf + pos);
Wey-Yi Guy20594eb2009-08-07 15:41:39 -0700949 if (bufsz - pos > 0)
950 buf[pos++] = '\n';
951 }
952 }
953 }
954
955 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
956 kfree(buf);
957 return ret;
958}
959
960static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
961 const char __user *user_buf,
962 size_t count, loff_t *ppos)
963{
964 struct iwl_priv *priv = file->private_data;
965 char buf[8];
966 int buf_size;
967 int traffic_log;
968
969 memset(buf, 0, sizeof(buf));
970 buf_size = min(count, sizeof(buf) - 1);
971 if (copy_from_user(buf, user_buf, buf_size))
972 return -EFAULT;
973 if (sscanf(buf, "%d", &traffic_log) != 1)
974 return -EFAULT;
975 if (traffic_log == 0)
976 iwl_reset_traffic_log(priv);
977
978 return count;
979}
980
Wey-Yi Guy141b03e2009-08-07 15:41:41 -0700981static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
982 char __user *user_buf,
983 size_t count, loff_t *ppos) {
984
H Hartley Sweeten28f63a42010-01-08 16:14:10 -0700985 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy141b03e2009-08-07 15:41:41 -0700986 struct iwl_tx_queue *txq;
987 struct iwl_queue *q;
988 char *buf;
989 int pos = 0;
990 int cnt;
991 int ret;
Wey-Yi Guyd23db552009-11-20 12:04:59 -0800992 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
Wey-Yi Guy141b03e2009-08-07 15:41:41 -0700993
Wey-Yi Guy88804e22009-10-09 13:20:28 -0700994 if (!priv->txq) {
995 IWL_ERR(priv, "txq not ready\n");
996 return -EAGAIN;
997 }
Wey-Yi Guy141b03e2009-08-07 15:41:41 -0700998 buf = kzalloc(bufsz, GFP_KERNEL);
999 if (!buf)
1000 return -ENOMEM;
1001
1002 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
1003 txq = &priv->txq[cnt];
1004 q = &txq->q;
1005 pos += scnprintf(buf + pos, bufsz - pos,
1006 "hwq %.2d: read=%u write=%u stop=%d"
1007 " swq_id=%#.2x (ac %d/hwq %d)\n",
1008 cnt, q->read_ptr, q->write_ptr,
1009 !!test_bit(cnt, priv->queue_stopped),
1010 txq->swq_id,
1011 txq->swq_id & 0x80 ? txq->swq_id & 3 :
1012 txq->swq_id,
1013 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
1014 0x1f : txq->swq_id);
1015 if (cnt >= 4)
1016 continue;
1017 /* for the ACs, display the stop count too */
1018 pos += scnprintf(buf + pos, bufsz - pos,
1019 " stop-count: %d\n",
1020 atomic_read(&priv->queue_stop_count[cnt]));
1021 }
1022 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1023 kfree(buf);
1024 return ret;
1025}
1026
1027static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1028 char __user *user_buf,
1029 size_t count, loff_t *ppos) {
1030
H Hartley Sweeten28f63a42010-01-08 16:14:10 -07001031 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy141b03e2009-08-07 15:41:41 -07001032 struct iwl_rx_queue *rxq = &priv->rxq;
1033 char buf[256];
1034 int pos = 0;
1035 const size_t bufsz = sizeof(buf);
1036
1037 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1038 rxq->read);
1039 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1040 rxq->write);
1041 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1042 rxq->free_count);
1043 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1044 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1045 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1046}
1047
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001048static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1049 int bufsz)
1050{
1051 int p = 0;
1052
1053 p += scnprintf(buf + p, bufsz - p,
1054 "Statistics Flag(0x%X):\n",
1055 le32_to_cpu(priv->statistics.flag));
1056 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1057 p += scnprintf(buf + p, bufsz - p,
1058 "\tStatistics have been cleared\n");
1059 p += scnprintf(buf + p, bufsz - p,
1060 "\tOperational Frequency: %s\n",
1061 (le32_to_cpu(priv->statistics.flag) &
1062 UCODE_STATISTICS_FREQUENCY_MSK)
1063 ? "2.4 GHz" : "5.2 GHz");
1064 p += scnprintf(buf + p, bufsz - p,
1065 "\tTGj Narrow Band: %s\n",
1066 (le32_to_cpu(priv->statistics.flag) &
1067 UCODE_STATISTICS_NARROW_BAND_MSK)
1068 ? "enabled" : "disabled");
1069 return p;
1070}
1071
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001072static const char ucode_stats_header[] =
1073 "%-32s current acumulative delta max\n";
1074static const char ucode_stats_short_format[] =
1075 " %-30s %10u\n";
1076static const char ucode_stats_format[] =
1077 " %-30s %10u %10u %10u %10u\n";
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001078
1079static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1080 char __user *user_buf,
1081 size_t count, loff_t *ppos)
1082{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -07001083 struct iwl_priv *priv = file->private_data;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001084 int pos = 0;
1085 char *buf;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001086 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
1087 sizeof(struct statistics_rx_non_phy) * 40 +
1088 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001089 ssize_t ret;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001090 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
1091 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001092 struct statistics_rx_non_phy *general, *accum_general;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001093 struct statistics_rx_non_phy *delta_general, *max_general;
1094 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001095
1096 if (!iwl_is_alive(priv))
1097 return -EAGAIN;
1098
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001099 buf = kzalloc(bufsz, GFP_KERNEL);
1100 if (!buf) {
1101 IWL_ERR(priv, "Can not allocate Buffer\n");
1102 return -ENOMEM;
1103 }
1104
1105 /* the statistic information display here is based on
1106 * the last statistics notification from uCode
1107 * might not reflect the current uCode activity
1108 */
1109 ofdm = &priv->statistics.rx.ofdm;
1110 cck = &priv->statistics.rx.cck;
1111 general = &priv->statistics.rx.general;
1112 ht = &priv->statistics.rx.ofdm_ht;
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001113 accum_ofdm = &priv->accum_statistics.rx.ofdm;
1114 accum_cck = &priv->accum_statistics.rx.cck;
1115 accum_general = &priv->accum_statistics.rx.general;
1116 accum_ht = &priv->accum_statistics.rx.ofdm_ht;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001117 delta_ofdm = &priv->delta_statistics.rx.ofdm;
1118 delta_cck = &priv->delta_statistics.rx.cck;
1119 delta_general = &priv->delta_statistics.rx.general;
1120 delta_ht = &priv->delta_statistics.rx.ofdm_ht;
1121 max_ofdm = &priv->max_delta.rx.ofdm;
1122 max_cck = &priv->max_delta.rx.cck;
1123 max_general = &priv->max_delta.rx.general;
1124 max_ht = &priv->max_delta.rx.ofdm_ht;
1125
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001126 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001127 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1128 "Statistics_Rx - OFDM:");
1129 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1130 "ina_cnt:", le32_to_cpu(ofdm->ina_cnt),
1131 accum_ofdm->ina_cnt,
1132 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
1133 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1134 "fina_cnt:",
1135 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
1136 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1137 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1138 "plcp_err:",
1139 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1140 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1141 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1142 "crc32_err:",
1143 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1144 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1145 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1146 "overrun_err:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001147 le32_to_cpu(ofdm->overrun_err),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001148 accum_ofdm->overrun_err,
1149 delta_ofdm->overrun_err, max_ofdm->overrun_err);
1150 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1151 "early_overrun_err:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001152 le32_to_cpu(ofdm->early_overrun_err),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001153 accum_ofdm->early_overrun_err,
1154 delta_ofdm->early_overrun_err,
1155 max_ofdm->early_overrun_err);
1156 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1157 "crc32_good:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001158 le32_to_cpu(ofdm->crc32_good),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001159 accum_ofdm->crc32_good,
1160 delta_ofdm->crc32_good, max_ofdm->crc32_good);
1161 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1162 "false_alarm_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001163 le32_to_cpu(ofdm->false_alarm_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001164 accum_ofdm->false_alarm_cnt,
1165 delta_ofdm->false_alarm_cnt,
1166 max_ofdm->false_alarm_cnt);
1167 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1168 "fina_sync_err_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001169 le32_to_cpu(ofdm->fina_sync_err_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001170 accum_ofdm->fina_sync_err_cnt,
1171 delta_ofdm->fina_sync_err_cnt,
1172 max_ofdm->fina_sync_err_cnt);
1173 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1174 "sfd_timeout:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001175 le32_to_cpu(ofdm->sfd_timeout),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001176 accum_ofdm->sfd_timeout,
1177 delta_ofdm->sfd_timeout,
1178 max_ofdm->sfd_timeout);
1179 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1180 "fina_timeout:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001181 le32_to_cpu(ofdm->fina_timeout),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001182 accum_ofdm->fina_timeout,
1183 delta_ofdm->fina_timeout,
1184 max_ofdm->fina_timeout);
1185 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1186 "unresponded_rts:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001187 le32_to_cpu(ofdm->unresponded_rts),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001188 accum_ofdm->unresponded_rts,
1189 delta_ofdm->unresponded_rts,
1190 max_ofdm->unresponded_rts);
1191 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1192 "rxe_frame_lmt_ovrun:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001193 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001194 accum_ofdm->rxe_frame_limit_overrun,
1195 delta_ofdm->rxe_frame_limit_overrun,
1196 max_ofdm->rxe_frame_limit_overrun);
1197 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1198 "sent_ack_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001199 le32_to_cpu(ofdm->sent_ack_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001200 accum_ofdm->sent_ack_cnt,
1201 delta_ofdm->sent_ack_cnt,
1202 max_ofdm->sent_ack_cnt);
1203 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1204 "sent_cts_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001205 le32_to_cpu(ofdm->sent_cts_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001206 accum_ofdm->sent_cts_cnt,
1207 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
1208 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1209 "sent_ba_rsp_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001210 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001211 accum_ofdm->sent_ba_rsp_cnt,
1212 delta_ofdm->sent_ba_rsp_cnt,
1213 max_ofdm->sent_ba_rsp_cnt);
1214 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1215 "dsp_self_kill:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001216 le32_to_cpu(ofdm->dsp_self_kill),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001217 accum_ofdm->dsp_self_kill,
1218 delta_ofdm->dsp_self_kill,
1219 max_ofdm->dsp_self_kill);
1220 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1221 "mh_format_err:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001222 le32_to_cpu(ofdm->mh_format_err),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001223 accum_ofdm->mh_format_err,
1224 delta_ofdm->mh_format_err,
1225 max_ofdm->mh_format_err);
1226 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1227 "re_acq_main_rssi_sum:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001228 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001229 accum_ofdm->re_acq_main_rssi_sum,
1230 delta_ofdm->re_acq_main_rssi_sum,
1231 max_ofdm->re_acq_main_rssi_sum);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001232
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001233 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1234 "Statistics_Rx - CCK:");
1235 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1236 "ina_cnt:",
1237 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1238 delta_cck->ina_cnt, max_cck->ina_cnt);
1239 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1240 "fina_cnt:",
1241 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1242 delta_cck->fina_cnt, max_cck->fina_cnt);
1243 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1244 "plcp_err:",
1245 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1246 delta_cck->plcp_err, max_cck->plcp_err);
1247 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1248 "crc32_err:",
1249 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1250 delta_cck->crc32_err, max_cck->crc32_err);
1251 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1252 "overrun_err:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001253 le32_to_cpu(cck->overrun_err),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001254 accum_cck->overrun_err,
1255 delta_cck->overrun_err, max_cck->overrun_err);
1256 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1257 "early_overrun_err:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001258 le32_to_cpu(cck->early_overrun_err),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001259 accum_cck->early_overrun_err,
1260 delta_cck->early_overrun_err,
1261 max_cck->early_overrun_err);
1262 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1263 "crc32_good:",
1264 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1265 delta_cck->crc32_good,
1266 max_cck->crc32_good);
1267 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1268 "false_alarm_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001269 le32_to_cpu(cck->false_alarm_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001270 accum_cck->false_alarm_cnt,
1271 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1272 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1273 "fina_sync_err_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001274 le32_to_cpu(cck->fina_sync_err_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001275 accum_cck->fina_sync_err_cnt,
1276 delta_cck->fina_sync_err_cnt,
1277 max_cck->fina_sync_err_cnt);
1278 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1279 "sfd_timeout:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001280 le32_to_cpu(cck->sfd_timeout),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001281 accum_cck->sfd_timeout,
1282 delta_cck->sfd_timeout, max_cck->sfd_timeout);
1283 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1284 "fina_timeout:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001285 le32_to_cpu(cck->fina_timeout),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001286 accum_cck->fina_timeout,
1287 delta_cck->fina_timeout, max_cck->fina_timeout);
1288 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1289 "unresponded_rts:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001290 le32_to_cpu(cck->unresponded_rts),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001291 accum_cck->unresponded_rts,
1292 delta_cck->unresponded_rts,
1293 max_cck->unresponded_rts);
1294 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1295 "rxe_frame_lmt_ovrun:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001296 le32_to_cpu(cck->rxe_frame_limit_overrun),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001297 accum_cck->rxe_frame_limit_overrun,
1298 delta_cck->rxe_frame_limit_overrun,
1299 max_cck->rxe_frame_limit_overrun);
1300 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1301 "sent_ack_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001302 le32_to_cpu(cck->sent_ack_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001303 accum_cck->sent_ack_cnt,
1304 delta_cck->sent_ack_cnt,
1305 max_cck->sent_ack_cnt);
1306 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1307 "sent_cts_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001308 le32_to_cpu(cck->sent_cts_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001309 accum_cck->sent_cts_cnt,
1310 delta_cck->sent_cts_cnt,
1311 max_cck->sent_cts_cnt);
1312 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1313 "sent_ba_rsp_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001314 le32_to_cpu(cck->sent_ba_rsp_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001315 accum_cck->sent_ba_rsp_cnt,
1316 delta_cck->sent_ba_rsp_cnt,
1317 max_cck->sent_ba_rsp_cnt);
1318 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1319 "dsp_self_kill:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001320 le32_to_cpu(cck->dsp_self_kill),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001321 accum_cck->dsp_self_kill,
1322 delta_cck->dsp_self_kill,
1323 max_cck->dsp_self_kill);
1324 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1325 "mh_format_err:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001326 le32_to_cpu(cck->mh_format_err),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001327 accum_cck->mh_format_err,
1328 delta_cck->mh_format_err, max_cck->mh_format_err);
1329 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1330 "re_acq_main_rssi_sum:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001331 le32_to_cpu(cck->re_acq_main_rssi_sum),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001332 accum_cck->re_acq_main_rssi_sum,
1333 delta_cck->re_acq_main_rssi_sum,
1334 max_cck->re_acq_main_rssi_sum);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001335
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001336 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1337 "Statistics_Rx - GENERAL:");
1338 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1339 "bogus_cts:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001340 le32_to_cpu(general->bogus_cts),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001341 accum_general->bogus_cts,
1342 delta_general->bogus_cts, max_general->bogus_cts);
1343 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1344 "bogus_ack:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001345 le32_to_cpu(general->bogus_ack),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001346 accum_general->bogus_ack,
1347 delta_general->bogus_ack, max_general->bogus_ack);
1348 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1349 "non_bssid_frames:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001350 le32_to_cpu(general->non_bssid_frames),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001351 accum_general->non_bssid_frames,
1352 delta_general->non_bssid_frames,
1353 max_general->non_bssid_frames);
1354 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1355 "filtered_frames:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001356 le32_to_cpu(general->filtered_frames),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001357 accum_general->filtered_frames,
1358 delta_general->filtered_frames,
1359 max_general->filtered_frames);
1360 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1361 "non_channel_beacons:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001362 le32_to_cpu(general->non_channel_beacons),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001363 accum_general->non_channel_beacons,
1364 delta_general->non_channel_beacons,
1365 max_general->non_channel_beacons);
1366 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1367 "channel_beacons:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001368 le32_to_cpu(general->channel_beacons),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001369 accum_general->channel_beacons,
1370 delta_general->channel_beacons,
1371 max_general->channel_beacons);
1372 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1373 "num_missed_bcon:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001374 le32_to_cpu(general->num_missed_bcon),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001375 accum_general->num_missed_bcon,
1376 delta_general->num_missed_bcon,
1377 max_general->num_missed_bcon);
1378 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1379 "adc_rx_saturation_time:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001380 le32_to_cpu(general->adc_rx_saturation_time),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001381 accum_general->adc_rx_saturation_time,
1382 delta_general->adc_rx_saturation_time,
1383 max_general->adc_rx_saturation_time);
1384 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1385 "ina_detect_search_tm:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001386 le32_to_cpu(general->ina_detection_search_time),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001387 accum_general->ina_detection_search_time,
1388 delta_general->ina_detection_search_time,
1389 max_general->ina_detection_search_time);
1390 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1391 "beacon_silence_rssi_a:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001392 le32_to_cpu(general->beacon_silence_rssi_a),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001393 accum_general->beacon_silence_rssi_a,
1394 delta_general->beacon_silence_rssi_a,
1395 max_general->beacon_silence_rssi_a);
1396 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1397 "beacon_silence_rssi_b:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001398 le32_to_cpu(general->beacon_silence_rssi_b),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001399 accum_general->beacon_silence_rssi_b,
1400 delta_general->beacon_silence_rssi_b,
1401 max_general->beacon_silence_rssi_b);
1402 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1403 "beacon_silence_rssi_c:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001404 le32_to_cpu(general->beacon_silence_rssi_c),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001405 accum_general->beacon_silence_rssi_c,
1406 delta_general->beacon_silence_rssi_c,
1407 max_general->beacon_silence_rssi_c);
1408 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1409 "interference_data_flag:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001410 le32_to_cpu(general->interference_data_flag),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001411 accum_general->interference_data_flag,
1412 delta_general->interference_data_flag,
1413 max_general->interference_data_flag);
1414 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1415 "channel_load:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001416 le32_to_cpu(general->channel_load),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001417 accum_general->channel_load,
1418 delta_general->channel_load,
1419 max_general->channel_load);
1420 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1421 "dsp_false_alarms:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001422 le32_to_cpu(general->dsp_false_alarms),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001423 accum_general->dsp_false_alarms,
1424 delta_general->dsp_false_alarms,
1425 max_general->dsp_false_alarms);
1426 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1427 "beacon_rssi_a:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001428 le32_to_cpu(general->beacon_rssi_a),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001429 accum_general->beacon_rssi_a,
1430 delta_general->beacon_rssi_a,
1431 max_general->beacon_rssi_a);
1432 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1433 "beacon_rssi_b:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001434 le32_to_cpu(general->beacon_rssi_b),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001435 accum_general->beacon_rssi_b,
1436 delta_general->beacon_rssi_b,
1437 max_general->beacon_rssi_b);
1438 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1439 "beacon_rssi_c:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001440 le32_to_cpu(general->beacon_rssi_c),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001441 accum_general->beacon_rssi_c,
1442 delta_general->beacon_rssi_c,
1443 max_general->beacon_rssi_c);
1444 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1445 "beacon_energy_a:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001446 le32_to_cpu(general->beacon_energy_a),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001447 accum_general->beacon_energy_a,
1448 delta_general->beacon_energy_a,
1449 max_general->beacon_energy_a);
1450 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1451 "beacon_energy_b:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001452 le32_to_cpu(general->beacon_energy_b),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001453 accum_general->beacon_energy_b,
1454 delta_general->beacon_energy_b,
1455 max_general->beacon_energy_b);
1456 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1457 "beacon_energy_c:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001458 le32_to_cpu(general->beacon_energy_c),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001459 accum_general->beacon_energy_c,
1460 delta_general->beacon_energy_c,
1461 max_general->beacon_energy_c);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001462
1463 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001464 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1465 "Statistics_Rx - OFDM_HT:");
1466 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1467 "plcp_err:",
1468 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1469 delta_ht->plcp_err, max_ht->plcp_err);
1470 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1471 "overrun_err:",
1472 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1473 delta_ht->overrun_err, max_ht->overrun_err);
1474 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1475 "early_overrun_err:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001476 le32_to_cpu(ht->early_overrun_err),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001477 accum_ht->early_overrun_err,
1478 delta_ht->early_overrun_err,
1479 max_ht->early_overrun_err);
1480 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1481 "crc32_good:",
1482 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1483 delta_ht->crc32_good, max_ht->crc32_good);
1484 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1485 "crc32_err:",
1486 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1487 delta_ht->crc32_err, max_ht->crc32_err);
1488 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1489 "mh_format_err:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001490 le32_to_cpu(ht->mh_format_err),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001491 accum_ht->mh_format_err,
1492 delta_ht->mh_format_err, max_ht->mh_format_err);
1493 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1494 "agg_crc32_good:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001495 le32_to_cpu(ht->agg_crc32_good),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001496 accum_ht->agg_crc32_good,
1497 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1498 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1499 "agg_mpdu_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001500 le32_to_cpu(ht->agg_mpdu_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001501 accum_ht->agg_mpdu_cnt,
1502 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1503 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1504 "agg_cnt:",
1505 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1506 delta_ht->agg_cnt, max_ht->agg_cnt);
1507 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1508 "unsupport_mcs:",
Wey-Yi Guyf0118a42010-01-08 10:04:42 -08001509 le32_to_cpu(ht->unsupport_mcs),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001510 accum_ht->unsupport_mcs,
1511 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001512
1513 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1514 kfree(buf);
1515 return ret;
1516}
1517
1518static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1519 char __user *user_buf,
1520 size_t count, loff_t *ppos)
1521{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -07001522 struct iwl_priv *priv = file->private_data;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001523 int pos = 0;
1524 char *buf;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001525 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001526 ssize_t ret;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001527 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001528
1529 if (!iwl_is_alive(priv))
1530 return -EAGAIN;
1531
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001532 buf = kzalloc(bufsz, GFP_KERNEL);
1533 if (!buf) {
1534 IWL_ERR(priv, "Can not allocate Buffer\n");
1535 return -ENOMEM;
1536 }
1537
1538 /* the statistic information display here is based on
1539 * the last statistics notification from uCode
1540 * might not reflect the current uCode activity
1541 */
1542 tx = &priv->statistics.tx;
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001543 accum_tx = &priv->accum_statistics.tx;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001544 delta_tx = &priv->delta_statistics.tx;
1545 max_tx = &priv->max_delta.tx;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001546 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001547 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1548 "Statistics_Tx:");
1549 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1550 "preamble:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001551 le32_to_cpu(tx->preamble_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001552 accum_tx->preamble_cnt,
1553 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1554 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1555 "rx_detected_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001556 le32_to_cpu(tx->rx_detected_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001557 accum_tx->rx_detected_cnt,
1558 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1559 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1560 "bt_prio_defer_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001561 le32_to_cpu(tx->bt_prio_defer_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001562 accum_tx->bt_prio_defer_cnt,
1563 delta_tx->bt_prio_defer_cnt,
1564 max_tx->bt_prio_defer_cnt);
1565 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1566 "bt_prio_kill_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001567 le32_to_cpu(tx->bt_prio_kill_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001568 accum_tx->bt_prio_kill_cnt,
1569 delta_tx->bt_prio_kill_cnt,
1570 max_tx->bt_prio_kill_cnt);
1571 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1572 "few_bytes_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001573 le32_to_cpu(tx->few_bytes_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001574 accum_tx->few_bytes_cnt,
1575 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1576 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1577 "cts_timeout:",
1578 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1579 delta_tx->cts_timeout, max_tx->cts_timeout);
1580 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1581 "ack_timeout:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001582 le32_to_cpu(tx->ack_timeout),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001583 accum_tx->ack_timeout,
1584 delta_tx->ack_timeout, max_tx->ack_timeout);
1585 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1586 "expected_ack_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001587 le32_to_cpu(tx->expected_ack_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001588 accum_tx->expected_ack_cnt,
1589 delta_tx->expected_ack_cnt,
1590 max_tx->expected_ack_cnt);
1591 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1592 "actual_ack_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001593 le32_to_cpu(tx->actual_ack_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001594 accum_tx->actual_ack_cnt,
1595 delta_tx->actual_ack_cnt,
1596 max_tx->actual_ack_cnt);
1597 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1598 "dump_msdu_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001599 le32_to_cpu(tx->dump_msdu_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001600 accum_tx->dump_msdu_cnt,
1601 delta_tx->dump_msdu_cnt,
1602 max_tx->dump_msdu_cnt);
1603 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1604 "abort_nxt_frame_mismatch:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001605 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001606 accum_tx->burst_abort_next_frame_mismatch_cnt,
1607 delta_tx->burst_abort_next_frame_mismatch_cnt,
1608 max_tx->burst_abort_next_frame_mismatch_cnt);
1609 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1610 "abort_missing_nxt_frame:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001611 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001612 accum_tx->burst_abort_missing_next_frame_cnt,
1613 delta_tx->burst_abort_missing_next_frame_cnt,
1614 max_tx->burst_abort_missing_next_frame_cnt);
1615 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1616 "cts_timeout_collision:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001617 le32_to_cpu(tx->cts_timeout_collision),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001618 accum_tx->cts_timeout_collision,
1619 delta_tx->cts_timeout_collision,
1620 max_tx->cts_timeout_collision);
1621 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1622 "ack_ba_timeout_collision:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001623 le32_to_cpu(tx->ack_or_ba_timeout_collision),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001624 accum_tx->ack_or_ba_timeout_collision,
1625 delta_tx->ack_or_ba_timeout_collision,
1626 max_tx->ack_or_ba_timeout_collision);
1627 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1628 "agg ba_timeout:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001629 le32_to_cpu(tx->agg.ba_timeout),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001630 accum_tx->agg.ba_timeout,
1631 delta_tx->agg.ba_timeout,
1632 max_tx->agg.ba_timeout);
1633 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1634 "agg ba_resched_frames:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001635 le32_to_cpu(tx->agg.ba_reschedule_frames),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001636 accum_tx->agg.ba_reschedule_frames,
1637 delta_tx->agg.ba_reschedule_frames,
1638 max_tx->agg.ba_reschedule_frames);
1639 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1640 "agg scd_query_agg_frame:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001641 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001642 accum_tx->agg.scd_query_agg_frame_cnt,
1643 delta_tx->agg.scd_query_agg_frame_cnt,
1644 max_tx->agg.scd_query_agg_frame_cnt);
1645 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1646 "agg scd_query_no_agg:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001647 le32_to_cpu(tx->agg.scd_query_no_agg),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001648 accum_tx->agg.scd_query_no_agg,
1649 delta_tx->agg.scd_query_no_agg,
1650 max_tx->agg.scd_query_no_agg);
1651 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1652 "agg scd_query_agg:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001653 le32_to_cpu(tx->agg.scd_query_agg),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001654 accum_tx->agg.scd_query_agg,
1655 delta_tx->agg.scd_query_agg,
1656 max_tx->agg.scd_query_agg);
1657 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1658 "agg scd_query_mismatch:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001659 le32_to_cpu(tx->agg.scd_query_mismatch),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001660 accum_tx->agg.scd_query_mismatch,
1661 delta_tx->agg.scd_query_mismatch,
1662 max_tx->agg.scd_query_mismatch);
1663 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1664 "agg frame_not_ready:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001665 le32_to_cpu(tx->agg.frame_not_ready),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001666 accum_tx->agg.frame_not_ready,
1667 delta_tx->agg.frame_not_ready,
1668 max_tx->agg.frame_not_ready);
1669 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1670 "agg underrun:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001671 le32_to_cpu(tx->agg.underrun),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001672 accum_tx->agg.underrun,
1673 delta_tx->agg.underrun, max_tx->agg.underrun);
1674 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1675 "agg bt_prio_kill:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001676 le32_to_cpu(tx->agg.bt_prio_kill),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001677 accum_tx->agg.bt_prio_kill,
1678 delta_tx->agg.bt_prio_kill,
1679 max_tx->agg.bt_prio_kill);
1680 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1681 "agg rx_ba_rsp_cnt:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001682 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001683 accum_tx->agg.rx_ba_rsp_cnt,
1684 delta_tx->agg.rx_ba_rsp_cnt,
1685 max_tx->agg.rx_ba_rsp_cnt);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001686
1687 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1688 kfree(buf);
1689 return ret;
1690}
1691
1692static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1693 char __user *user_buf,
1694 size_t count, loff_t *ppos)
1695{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -07001696 struct iwl_priv *priv = file->private_data;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001697 int pos = 0;
1698 char *buf;
Wey-Yi Guy11fc5242010-01-15 13:43:35 -08001699 int bufsz = sizeof(struct statistics_general) * 10 + 300;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001700 ssize_t ret;
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001701 struct statistics_general *general, *accum_general;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001702 struct statistics_general *delta_general, *max_general;
1703 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1704 struct statistics_div *div, *accum_div, *delta_div, *max_div;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001705
1706 if (!iwl_is_alive(priv))
1707 return -EAGAIN;
1708
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001709 buf = kzalloc(bufsz, GFP_KERNEL);
1710 if (!buf) {
1711 IWL_ERR(priv, "Can not allocate Buffer\n");
1712 return -ENOMEM;
1713 }
1714
1715 /* the statistic information display here is based on
1716 * the last statistics notification from uCode
1717 * might not reflect the current uCode activity
1718 */
1719 general = &priv->statistics.general;
1720 dbg = &priv->statistics.general.dbg;
1721 div = &priv->statistics.general.div;
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001722 accum_general = &priv->accum_statistics.general;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001723 delta_general = &priv->delta_statistics.general;
1724 max_general = &priv->max_delta.general;
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001725 accum_dbg = &priv->accum_statistics.general.dbg;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001726 delta_dbg = &priv->delta_statistics.general.dbg;
1727 max_dbg = &priv->max_delta.general.dbg;
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001728 accum_div = &priv->accum_statistics.general.div;
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001729 delta_div = &priv->delta_statistics.general.div;
1730 max_div = &priv->max_delta.general.div;
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001731 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001732 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1733 "Statistics_General:");
1734 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format,
1735 "temperature:",
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001736 le32_to_cpu(general->temperature));
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001737 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format,
1738 "temperature_m:",
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001739 le32_to_cpu(general->temperature_m));
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001740 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1741 "burst_check:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001742 le32_to_cpu(dbg->burst_check),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001743 accum_dbg->burst_check,
1744 delta_dbg->burst_check, max_dbg->burst_check);
1745 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1746 "burst_count:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001747 le32_to_cpu(dbg->burst_count),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001748 accum_dbg->burst_count,
1749 delta_dbg->burst_count, max_dbg->burst_count);
1750 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1751 "sleep_time:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001752 le32_to_cpu(general->sleep_time),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001753 accum_general->sleep_time,
1754 delta_general->sleep_time, max_general->sleep_time);
1755 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1756 "slots_out:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001757 le32_to_cpu(general->slots_out),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001758 accum_general->slots_out,
1759 delta_general->slots_out, max_general->slots_out);
1760 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1761 "slots_idle:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001762 le32_to_cpu(general->slots_idle),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001763 accum_general->slots_idle,
1764 delta_general->slots_idle, max_general->slots_idle);
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001765 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001766 le32_to_cpu(general->ttl_timestamp));
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001767 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1768 "tx_on_a:",
1769 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1770 delta_div->tx_on_a, max_div->tx_on_a);
1771 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1772 "tx_on_b:",
1773 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1774 delta_div->tx_on_b, max_div->tx_on_b);
1775 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1776 "exec_time:",
1777 le32_to_cpu(div->exec_time), accum_div->exec_time,
1778 delta_div->exec_time, max_div->exec_time);
1779 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1780 "probe_time:",
1781 le32_to_cpu(div->probe_time), accum_div->probe_time,
1782 delta_div->probe_time, max_div->probe_time);
1783 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1784 "rx_enable_counter:",
Wey-Yi Guy92a35bd2009-10-09 13:20:29 -07001785 le32_to_cpu(general->rx_enable_counter),
Wey-Yi Guye3ef2162010-01-15 13:43:34 -08001786 accum_general->rx_enable_counter,
1787 delta_general->rx_enable_counter,
1788 max_general->rx_enable_counter);
Wey-Yi Guy11fc5242010-01-15 13:43:35 -08001789 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1790 "num_of_sos_states:",
1791 le32_to_cpu(general->num_of_sos_states),
1792 accum_general->num_of_sos_states,
1793 delta_general->num_of_sos_states,
1794 max_general->num_of_sos_states);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07001795 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1796 kfree(buf);
1797 return ret;
1798}
1799
Wey-Yi Guy52259352009-08-07 15:41:43 -07001800static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1801 char __user *user_buf,
1802 size_t count, loff_t *ppos) {
1803
H Hartley Sweeten28f63a42010-01-08 16:14:10 -07001804 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy52259352009-08-07 15:41:43 -07001805 int pos = 0;
1806 int cnt = 0;
1807 char *buf;
1808 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1809 ssize_t ret;
1810 struct iwl_sensitivity_data *data;
1811
1812 data = &priv->sensitivity_data;
1813 buf = kzalloc(bufsz, GFP_KERNEL);
1814 if (!buf) {
1815 IWL_ERR(priv, "Can not allocate Buffer\n");
1816 return -ENOMEM;
1817 }
1818
1819 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1820 data->auto_corr_ofdm);
1821 pos += scnprintf(buf + pos, bufsz - pos,
1822 "auto_corr_ofdm_mrc:\t\t %u\n",
1823 data->auto_corr_ofdm_mrc);
1824 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1825 data->auto_corr_ofdm_x1);
1826 pos += scnprintf(buf + pos, bufsz - pos,
1827 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1828 data->auto_corr_ofdm_mrc_x1);
1829 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1830 data->auto_corr_cck);
1831 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1832 data->auto_corr_cck_mrc);
1833 pos += scnprintf(buf + pos, bufsz - pos,
1834 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1835 data->last_bad_plcp_cnt_ofdm);
1836 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1837 data->last_fa_cnt_ofdm);
1838 pos += scnprintf(buf + pos, bufsz - pos,
1839 "last_bad_plcp_cnt_cck:\t\t %u\n",
1840 data->last_bad_plcp_cnt_cck);
1841 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1842 data->last_fa_cnt_cck);
1843 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1844 data->nrg_curr_state);
1845 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1846 data->nrg_prev_state);
1847 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1848 for (cnt = 0; cnt < 10; cnt++) {
1849 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1850 data->nrg_value[cnt]);
1851 }
1852 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1853 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1854 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1855 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1856 data->nrg_silence_rssi[cnt]);
1857 }
1858 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1859 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1860 data->nrg_silence_ref);
1861 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1862 data->nrg_energy_idx);
1863 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1864 data->nrg_silence_idx);
1865 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1866 data->nrg_th_cck);
1867 pos += scnprintf(buf + pos, bufsz - pos,
1868 "nrg_auto_corr_silence_diff:\t %u\n",
1869 data->nrg_auto_corr_silence_diff);
1870 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1871 data->num_in_cck_no_fa);
1872 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1873 data->nrg_th_ofdm);
1874
1875 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1876 kfree(buf);
1877 return ret;
1878}
1879
1880
1881static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1882 char __user *user_buf,
1883 size_t count, loff_t *ppos) {
1884
H Hartley Sweeten28f63a42010-01-08 16:14:10 -07001885 struct iwl_priv *priv = file->private_data;
Wey-Yi Guy52259352009-08-07 15:41:43 -07001886 int pos = 0;
1887 int cnt = 0;
1888 char *buf;
1889 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1890 ssize_t ret;
1891 struct iwl_chain_noise_data *data;
1892
1893 data = &priv->chain_noise_data;
1894 buf = kzalloc(bufsz, GFP_KERNEL);
1895 if (!buf) {
1896 IWL_ERR(priv, "Can not allocate Buffer\n");
1897 return -ENOMEM;
1898 }
1899
1900 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1901 data->active_chains);
1902 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1903 data->chain_noise_a);
1904 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1905 data->chain_noise_b);
1906 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1907 data->chain_noise_c);
1908 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1909 data->chain_signal_a);
1910 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1911 data->chain_signal_b);
1912 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1913 data->chain_signal_c);
1914 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1915 data->beacon_count);
1916
1917 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1918 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1919 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1920 data->disconn_array[cnt]);
1921 }
1922 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1923 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1924 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1925 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1926 data->delta_gain_code[cnt]);
1927 }
1928 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1929 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1930 data->radio_write);
1931 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1932 data->state);
1933
1934 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1935 kfree(buf);
1936 return ret;
1937}
1938
Wey-Yi Guyf204b242009-08-21 13:34:19 -07001939static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1940 char __user *user_buf,
1941 size_t count, loff_t *ppos) {
1942
H Hartley Sweeten28f63a42010-01-08 16:14:10 -07001943 struct iwl_priv *priv = file->private_data;
Wey-Yi Guyf204b242009-08-21 13:34:19 -07001944 char buf[128];
1945 int pos = 0;
Wey-Yi Guyf204b242009-08-21 13:34:19 -07001946 const size_t bufsz = sizeof(buf);
1947 struct statistics_tx *tx;
1948
1949 if (!iwl_is_alive(priv))
1950 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1951 else {
Wey-Yi Guyf204b242009-08-21 13:34:19 -07001952 tx = &priv->statistics.tx;
1953 if (tx->tx_power.ant_a ||
1954 tx->tx_power.ant_b ||
1955 tx->tx_power.ant_c) {
1956 pos += scnprintf(buf + pos, bufsz - pos,
1957 "tx power: (1/2 dB step)\n");
1958 if ((priv->cfg->valid_tx_ant & ANT_A) &&
1959 tx->tx_power.ant_a)
1960 pos += scnprintf(buf + pos, bufsz - pos,
1961 "\tantenna A: 0x%X\n",
1962 tx->tx_power.ant_a);
1963 if ((priv->cfg->valid_tx_ant & ANT_B) &&
1964 tx->tx_power.ant_b)
1965 pos += scnprintf(buf + pos, bufsz - pos,
1966 "\tantenna B: 0x%X\n",
1967 tx->tx_power.ant_b);
1968 if ((priv->cfg->valid_tx_ant & ANT_C) &&
1969 tx->tx_power.ant_c)
1970 pos += scnprintf(buf + pos, bufsz - pos,
1971 "\tantenna C: 0x%X\n",
1972 tx->tx_power.ant_c);
1973 } else
1974 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1975 }
1976 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1977}
1978
Wey-Yi Guyc09430a2009-10-16 14:25:50 -07001979static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1980 char __user *user_buf,
1981 size_t count, loff_t *ppos)
1982{
H Hartley Sweeten28f63a42010-01-08 16:14:10 -07001983 struct iwl_priv *priv = file->private_data;
Wey-Yi Guyc09430a2009-10-16 14:25:50 -07001984 char buf[60];
1985 int pos = 0;
1986 const size_t bufsz = sizeof(buf);
1987 u32 pwrsave_status;
1988
1989 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1990 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1991
1992 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1993 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1994 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1995 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1996 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1997 "error");
1998
1999 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2000}
2001
Wey-Yi Guy7163b8a2009-11-20 12:04:56 -08002002static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
Wey-Yi Guyef8d5522009-11-13 11:56:28 -08002003 const char __user *user_buf,
2004 size_t count, loff_t *ppos)
2005{
2006 struct iwl_priv *priv = file->private_data;
2007 char buf[8];
2008 int buf_size;
2009 int clear;
2010
2011 memset(buf, 0, sizeof(buf));
2012 buf_size = min(count, sizeof(buf) - 1);
2013 if (copy_from_user(buf, user_buf, buf_size))
2014 return -EFAULT;
2015 if (sscanf(buf, "%d", &clear) != 1)
2016 return -EFAULT;
2017
2018 /* make request to uCode to retrieve statistics information */
2019 mutex_lock(&priv->mutex);
2020 iwl_send_statistics_request(priv, CMD_SYNC, true);
2021 mutex_unlock(&priv->mutex);
2022
2023 return count;
2024}
2025
Wey-Yi Guy696bdee2009-12-10 14:37:25 -08002026static ssize_t iwl_dbgfs_csr_write(struct file *file,
2027 const char __user *user_buf,
2028 size_t count, loff_t *ppos)
2029{
2030 struct iwl_priv *priv = file->private_data;
2031 char buf[8];
2032 int buf_size;
2033 int csr;
2034
2035 memset(buf, 0, sizeof(buf));
2036 buf_size = min(count, sizeof(buf) - 1);
2037 if (copy_from_user(buf, user_buf, buf_size))
2038 return -EFAULT;
2039 if (sscanf(buf, "%d", &csr) != 1)
2040 return -EFAULT;
2041
2042 if (priv->cfg->ops->lib->dump_csr)
2043 priv->cfg->ops->lib->dump_csr(priv);
2044
2045 return count;
2046}
2047
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -08002048static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2049 char __user *user_buf,
2050 size_t count, loff_t *ppos) {
2051
2052 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2053 int pos = 0;
2054 char buf[128];
2055 const size_t bufsz = sizeof(buf);
2056 ssize_t ret;
2057
2058 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2059 priv->event_log.ucode_trace ? "On" : "Off");
2060 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2061 priv->event_log.non_wraps_count);
2062 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2063 priv->event_log.wraps_once_count);
2064 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2065 priv->event_log.wraps_more_count);
2066
2067 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2068 return ret;
2069}
2070
2071static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2072 const char __user *user_buf,
2073 size_t count, loff_t *ppos)
2074{
2075 struct iwl_priv *priv = file->private_data;
2076 char buf[8];
2077 int buf_size;
2078 int trace;
2079
2080 memset(buf, 0, sizeof(buf));
2081 buf_size = min(count, sizeof(buf) - 1);
2082 if (copy_from_user(buf, user_buf, buf_size))
2083 return -EFAULT;
2084 if (sscanf(buf, "%d", &trace) != 1)
2085 return -EFAULT;
2086
2087 if (trace) {
2088 priv->event_log.ucode_trace = true;
2089 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2090 mod_timer(&priv->ucode_trace,
2091 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2092 } else {
2093 priv->event_log.ucode_trace = false;
2094 del_timer_sync(&priv->ucode_trace);
2095 }
2096
2097 return count;
2098}
2099
Wey-Yi Guy1b3eb822010-01-15 13:43:39 -08002100static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
2101 char __user *user_buf,
2102 size_t count, loff_t *ppos)
2103{
2104 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2105 char *buf;
2106 int pos = 0;
2107 ssize_t ret = -EFAULT;
2108
2109 if (priv->cfg->ops->lib->dump_fh) {
2110 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
2111 if (buf) {
2112 ret = simple_read_from_buffer(user_buf,
2113 count, ppos, buf, pos);
2114 kfree(buf);
2115 }
2116 }
2117
2118 return ret;
2119}
2120
Wey-Yi Guya13d2762010-01-22 14:22:42 -08002121static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2122 char __user *user_buf,
2123 size_t count, loff_t *ppos) {
2124
2125 struct iwl_priv *priv = file->private_data;
2126 int pos = 0;
2127 char buf[12];
2128 const size_t bufsz = sizeof(buf);
2129 ssize_t ret;
2130
2131 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2132 priv->missed_beacon_threshold);
2133
2134 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2135 return ret;
2136}
2137
2138static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2139 const char __user *user_buf,
2140 size_t count, loff_t *ppos)
2141{
2142 struct iwl_priv *priv = file->private_data;
2143 char buf[8];
2144 int buf_size;
2145 int missed;
2146
2147 memset(buf, 0, sizeof(buf));
2148 buf_size = min(count, sizeof(buf) - 1);
2149 if (copy_from_user(buf, user_buf, buf_size))
2150 return -EFAULT;
2151 if (sscanf(buf, "%d", &missed) != 1)
2152 return -EINVAL;
2153
2154 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2155 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2156 priv->missed_beacon_threshold =
2157 IWL_MISSED_BEACON_THRESHOLD_DEF;
2158 else
2159 priv->missed_beacon_threshold = missed;
2160
2161 return count;
2162}
2163
Wey-Yi Guyafbdd692010-01-22 14:22:43 -08002164static ssize_t iwl_dbgfs_internal_scan_write(struct file *file,
2165 const char __user *user_buf,
2166 size_t count, loff_t *ppos)
2167{
2168 struct iwl_priv *priv = file->private_data;
2169 char buf[8];
2170 int buf_size;
2171 int scan;
2172
2173 memset(buf, 0, sizeof(buf));
2174 buf_size = min(count, sizeof(buf) - 1);
2175 if (copy_from_user(buf, user_buf, buf_size))
2176 return -EFAULT;
2177 if (sscanf(buf, "%d", &scan) != 1)
2178 return -EINVAL;
2179
2180 iwl_internal_short_hw_scan(priv);
2181
2182 return count;
2183}
2184
Trieu 'Andrew' Nguyen3e4fb5f2010-01-22 14:22:46 -08002185static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2186 char __user *user_buf,
2187 size_t count, loff_t *ppos) {
2188
2189 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2190 int pos = 0;
2191 char buf[12];
2192 const size_t bufsz = sizeof(buf);
2193 ssize_t ret;
2194
2195 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2196 priv->cfg->plcp_delta_threshold);
2197
2198 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2199 return ret;
2200}
2201
2202static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2203 const char __user *user_buf,
2204 size_t count, loff_t *ppos) {
2205
2206 struct iwl_priv *priv = file->private_data;
2207 char buf[8];
2208 int buf_size;
2209 int plcp;
2210
2211 memset(buf, 0, sizeof(buf));
2212 buf_size = min(count, sizeof(buf) - 1);
2213 if (copy_from_user(buf, user_buf, buf_size))
2214 return -EFAULT;
2215 if (sscanf(buf, "%d", &plcp) != 1)
2216 return -EINVAL;
2217 if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2218 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2219 priv->cfg->plcp_delta_threshold =
2220 IWL_MAX_PLCP_ERR_THRESHOLD_DEF;
2221 else
2222 priv->cfg->plcp_delta_threshold = plcp;
2223 return count;
2224}
2225
Wey-Yi Guy7163b8a2009-11-20 12:04:56 -08002226DEBUGFS_READ_FILE_OPS(rx_statistics);
2227DEBUGFS_READ_FILE_OPS(tx_statistics);
Wey-Yi Guy20594eb2009-08-07 15:41:39 -07002228DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
Wey-Yi Guy141b03e2009-08-07 15:41:41 -07002229DEBUGFS_READ_FILE_OPS(rx_queue);
2230DEBUGFS_READ_FILE_OPS(tx_queue);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07002231DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2232DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2233DEBUGFS_READ_FILE_OPS(ucode_general_stats);
Wey-Yi Guy52259352009-08-07 15:41:43 -07002234DEBUGFS_READ_FILE_OPS(sensitivity);
2235DEBUGFS_READ_FILE_OPS(chain_noise);
Wey-Yi Guyf204b242009-08-21 13:34:19 -07002236DEBUGFS_READ_FILE_OPS(tx_power);
Wey-Yi Guyc09430a2009-10-16 14:25:50 -07002237DEBUGFS_READ_FILE_OPS(power_save_status);
Wey-Yi Guy7163b8a2009-11-20 12:04:56 -08002238DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2239DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
Wey-Yi Guy696bdee2009-12-10 14:37:25 -08002240DEBUGFS_WRITE_FILE_OPS(csr);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -08002241DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
Wey-Yi Guy1b3eb822010-01-15 13:43:39 -08002242DEBUGFS_READ_FILE_OPS(fh_reg);
Wey-Yi Guya13d2762010-01-22 14:22:42 -08002243DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
Wey-Yi Guyafbdd692010-01-22 14:22:43 -08002244DEBUGFS_WRITE_FILE_OPS(internal_scan);
Trieu 'Andrew' Nguyen3e4fb5f2010-01-22 14:22:46 -08002245DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
Wey-Yi Guy20594eb2009-08-07 15:41:39 -07002246
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002247/*
2248 * Create the debugfs files and directories
2249 *
2250 */
2251int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2252{
Zhu Yi95b1a822008-05-29 16:34:50 +08002253 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002254 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002255
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002256 dir_drv = debugfs_create_dir(name, phyd);
2257 if (!dir_drv)
2258 return -ENOMEM;
2259
2260 priv->debugfs_dir = dir_drv;
2261
2262 dir_data = debugfs_create_dir("data", dir_drv);
2263 if (!dir_data)
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002264 goto err;
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002265 dir_rf = debugfs_create_dir("rf", dir_drv);
2266 if (!dir_rf)
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002267 goto err;
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002268 dir_debug = debugfs_create_dir("debug", dir_drv);
2269 if (!dir_debug)
2270 goto err;
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002271
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002272 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2273 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2274 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
2275 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2276 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2277 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2278 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
2279 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2280 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
2281 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2282 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2283 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2284 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2285 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2286 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2287 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2288 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
2289 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
2290 DEBUGFS_ADD_FILE(tx_power, dir_debug, S_IRUSR);
2291 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2292 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2293 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2294 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
2295 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
2296 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2297 DEBUGFS_ADD_FILE(internal_scan, dir_debug, S_IWUSR);
2298 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07002299 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002300 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2301 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2302 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2303 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2304 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2305 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
Wey-Yi Guye8fe59a2009-08-07 15:41:42 -07002306 }
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002307 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &priv->disable_sens_cal);
2308 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
Tomas Winkler445c2df2008-05-15 13:54:16 +08002309 &priv->disable_chain_noise_cal);
Wey-Yi Guy030b8652009-06-12 13:22:55 -07002310 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
2311 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002312 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
Wey-Yi Guy030b8652009-06-12 13:22:55 -07002313 &priv->disable_tx_power_cal);
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002314 return 0;
2315
2316err:
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002317 IWL_ERR(priv, "Can't create the debugfs directory\n");
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002318 iwl_dbgfs_unregister(priv);
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002319 return -ENOMEM;
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002320}
2321EXPORT_SYMBOL(iwl_dbgfs_register);
2322
2323/**
2324 * Remove the debugfs files and directories
2325 *
2326 */
2327void iwl_dbgfs_unregister(struct iwl_priv *priv)
2328{
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002329 if (!priv->debugfs_dir)
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002330 return;
2331
Johannes Berg4c84a8f2010-01-22 14:22:54 -08002332 debugfs_remove_recursive(priv->debugfs_dir);
2333 priv->debugfs_dir = NULL;
Tomas Winkler712b6cf2008-03-12 16:58:52 -07002334}
2335EXPORT_SYMBOL(iwl_dbgfs_unregister);
2336
2337
Tomas Winkler445c2df2008-05-15 13:54:16 +08002338