iwl-debugfs.c 88.3 KB
Newer Older
T
Tomas Winkler 已提交
1 2 3 4
/******************************************************************************
 *
 * GPL LICENSE SUMMARY
 *
W
Wey-Yi Guy 已提交
5
 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
T
Tomas Winkler 已提交
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called LICENSE.GPL.
 *
 * Contact Information:
25
 *  Intel Linux Wireless <ilw@linux.intel.com>
T
Tomas Winkler 已提交
26 27 28
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *****************************************************************************/

29
#include <linux/slab.h>
T
Tomas Winkler 已提交
30 31 32 33 34 35 36 37
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/debugfs.h>

#include <linux/ieee80211.h>
#include <net/mac80211.h>


38
#include "iwl-dev.h"
T
Tomas Winkler 已提交
39
#include "iwl-debug.h"
40
#include "iwl-core.h"
41
#include "iwl-io.h"
42
#include "iwl-agn.h"
T
Tomas Winkler 已提交
43 44

/* create and remove of files */
J
Johannes Berg 已提交
45 46 47 48
#define DEBUGFS_ADD_FILE(name, parent, mode) do {			\
	if (!debugfs_create_file(#name, mode, parent, priv,		\
				 &iwl_dbgfs_##name##_ops))		\
		goto err;						\
T
Tomas Winkler 已提交
49 50
} while (0)

J
Johannes Berg 已提交
51 52 53 54 55 56
#define DEBUGFS_ADD_BOOL(name, parent, ptr) do {			\
	struct dentry *__tmp;						\
	__tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,		\
				    parent, ptr);			\
	if (IS_ERR(__tmp) || !__tmp)					\
		goto err;						\
T
Tomas Winkler 已提交
57 58
} while (0)

J
Johannes Berg 已提交
59 60 61 62 63 64
#define DEBUGFS_ADD_X32(name, parent, ptr) do {				\
	struct dentry *__tmp;						\
	__tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,		\
				   parent, ptr);			\
	if (IS_ERR(__tmp) || !__tmp)					\
		goto err;						\
65 66
} while (0)

T
Tomas Winkler 已提交
67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89
/* file operation */
#define DEBUGFS_READ_FUNC(name)                                         \
static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
					char __user *user_buf,          \
					size_t count, loff_t *ppos);

#define DEBUGFS_WRITE_FUNC(name)                                        \
static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
					const char __user *user_buf,    \
					size_t count, loff_t *ppos);


static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
{
	file->private_data = inode->i_private;
	return 0;
}

#define DEBUGFS_READ_FILE_OPS(name)                                     \
	DEBUGFS_READ_FUNC(name);                                        \
static const struct file_operations iwl_dbgfs_##name##_ops = {          \
	.read = iwl_dbgfs_##name##_read,                       		\
	.open = iwl_dbgfs_open_file_generic,                    	\
90
	.llseek = generic_file_llseek,					\
T
Tomas Winkler 已提交
91 92
};

93 94 95 96 97
#define DEBUGFS_WRITE_FILE_OPS(name)                                    \
	DEBUGFS_WRITE_FUNC(name);                                       \
static const struct file_operations iwl_dbgfs_##name##_ops = {          \
	.write = iwl_dbgfs_##name##_write,                              \
	.open = iwl_dbgfs_open_file_generic,                    	\
98
	.llseek = generic_file_llseek,					\
99 100 101
};


T
Tomas Winkler 已提交
102 103 104 105 106 107 108
#define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
	DEBUGFS_READ_FUNC(name);                                        \
	DEBUGFS_WRITE_FUNC(name);                                       \
static const struct file_operations iwl_dbgfs_##name##_ops = {          \
	.write = iwl_dbgfs_##name##_write,                              \
	.read = iwl_dbgfs_##name##_read,                                \
	.open = iwl_dbgfs_open_file_generic,                            \
109
	.llseek = generic_file_llseek,					\
T
Tomas Winkler 已提交
110 111 112 113 114 115
};

static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos) {

116
	struct iwl_priv *priv = file->private_data;
117
	char *buf;
T
Tomas Winkler 已提交
118 119
	int pos = 0;

120 121
	int cnt;
	ssize_t ret;
122 123
	const size_t bufsz = 100 +
		sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
124 125 126 127 128 129
	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;
	pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
	for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
		pos += scnprintf(buf + pos, bufsz - pos,
130
				 "\t%25s\t\t: %u\n",
131 132 133 134 135 136
				 get_mgmt_string(cnt),
				 priv->tx_stats.mgmt[cnt]);
	}
	pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
	for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
		pos += scnprintf(buf + pos, bufsz - pos,
137
				 "\t%25s\t\t: %u\n",
138 139 140 141 142 143 144 145 146 147 148 149 150
				 get_ctrl_string(cnt),
				 priv->tx_stats.ctrl[cnt]);
	}
	pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
	pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
			 priv->tx_stats.data_cnt);
	pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
			 priv->tx_stats.data_bytes);
	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

151
static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
152 153 154 155 156 157 158
					const char __user *user_buf,
					size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	u32 clear_flag;
	char buf[8];
	int buf_size;
T
Tomas Winkler 已提交
159

160 161 162 163 164 165
	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%x", &clear_flag) != 1)
		return -EFAULT;
166
	iwl_clear_traffic_stats(priv);
167 168

	return count;
T
Tomas Winkler 已提交
169 170 171 172 173 174
}

static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos) {

175
	struct iwl_priv *priv = file->private_data;
176
	char *buf;
T
Tomas Winkler 已提交
177
	int pos = 0;
178 179 180
	int cnt;
	ssize_t ret;
	const size_t bufsz = 100 +
181
		sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
182 183 184
	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;
T
Tomas Winkler 已提交
185

186 187 188
	pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
	for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
		pos += scnprintf(buf + pos, bufsz - pos,
189
				 "\t%25s\t\t: %u\n",
190 191 192 193 194 195
				 get_mgmt_string(cnt),
				 priv->rx_stats.mgmt[cnt]);
	}
	pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
	for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
		pos += scnprintf(buf + pos, bufsz - pos,
196
				 "\t%25s\t\t: %u\n",
197 198 199 200 201 202 203 204
				 get_ctrl_string(cnt),
				 priv->rx_stats.ctrl[cnt]);
	}
	pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
	pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
			 priv->rx_stats.data_cnt);
	pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
			 priv->rx_stats.data_bytes);
T
Tomas Winkler 已提交
205

206 207 208 209 210
	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

T
Tomas Winkler 已提交
211 212 213 214
static ssize_t iwl_dbgfs_sram_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{
215
	u32 val = 0;
216
	char *buf;
T
Tomas Winkler 已提交
217
	ssize_t ret;
218 219 220 221
	int i = 0;
	bool device_format = false;
	int offset = 0;
	int len = 0;
T
Tomas Winkler 已提交
222
	int pos = 0;
223
	int sram;
224
	struct iwl_priv *priv = file->private_data;
225
	size_t bufsz;
T
Tomas Winkler 已提交
226

227
	/* default is to dump the entire data segment */
J
Johannes Berg 已提交
228 229
	if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
		priv->dbgfs_sram_offset = 0x800000;
230
		if (priv->ucode_type == IWL_UCODE_INIT)
231
			priv->dbgfs_sram_len = priv->ucode_init.data.len;
232
		else
233
			priv->dbgfs_sram_len = priv->ucode_rt.data.len;
234
	}
235 236 237 238 239 240 241 242
	len = priv->dbgfs_sram_len;

	if (len == -4) {
		device_format = true;
		len = 4;
	}

	bufsz =  50 + len * 4;
243 244 245
	buf = kmalloc(bufsz, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;
246

247
	pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
248
			 len);
249
	pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
J
Johannes Berg 已提交
250
			priv->dbgfs_sram_offset);
251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276

	/* adjust sram address since reads are only on even u32 boundaries */
	offset = priv->dbgfs_sram_offset & 0x3;
	sram = priv->dbgfs_sram_offset & ~0x3;

	/* read the first u32 from sram */
	val = iwl_read_targ_mem(priv, sram);

	for (; len; len--) {
		/* put the address at the start of every line */
		if (i == 0)
			pos += scnprintf(buf + pos, bufsz - pos,
				"%08X: ", sram + offset);

		if (device_format)
			pos += scnprintf(buf + pos, bufsz - pos,
				"%02x", (val >> (8 * (3 - offset))) & 0xff);
		else
			pos += scnprintf(buf + pos, bufsz - pos,
				"%02x ", (val >> (8 * offset)) & 0xff);

		/* if all bytes processed, read the next u32 from sram */
		if (++offset == 4) {
			sram += 4;
			offset = 0;
			val = iwl_read_targ_mem(priv, sram);
T
Tomas Winkler 已提交
277
		}
278 279 280 281

		/* put in extra spaces and split lines for human readability */
		if (++i == 16) {
			i = 0;
282
			pos += scnprintf(buf + pos, bufsz - pos, "\n");
283 284 285 286 287
		} else if (!(i & 7)) {
			pos += scnprintf(buf + pos, bufsz - pos, "   ");
		} else if (!(i & 3)) {
			pos += scnprintf(buf + pos, bufsz - pos, " ");
		}
T
Tomas Winkler 已提交
288
	}
289 290
	if (i)
		pos += scnprintf(buf + pos, bufsz - pos, "\n");
T
Tomas Winkler 已提交
291 292

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
293
	kfree(buf);
T
Tomas Winkler 已提交
294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311
	return ret;
}

static ssize_t iwl_dbgfs_sram_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[64];
	int buf_size;
	u32 offset, len;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;

	if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
J
Johannes Berg 已提交
312 313
		priv->dbgfs_sram_offset = offset;
		priv->dbgfs_sram_len = len;
314 315 316
	} else if (sscanf(buf, "%x", &offset) == 1) {
		priv->dbgfs_sram_offset = offset;
		priv->dbgfs_sram_len = -4;
T
Tomas Winkler 已提交
317
	} else {
J
Johannes Berg 已提交
318 319
		priv->dbgfs_sram_offset = 0;
		priv->dbgfs_sram_len = 0;
T
Tomas Winkler 已提交
320 321 322 323 324
	}

	return count;
}

J
Johannes Berg 已提交
325 326 327 328 329 330 331 332 333 334 335 336 337
static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
					  char __user *user_buf,
					  size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;

	if (!priv->wowlan_sram)
		return -ENODATA;

	return simple_read_from_buffer(user_buf, count, ppos,
				       priv->wowlan_sram,
				       priv->ucode_wowlan.data.len);
}
T
Tomas Winkler 已提交
338 339 340
static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
					size_t count, loff_t *ppos)
{
341
	struct iwl_priv *priv = file->private_data;
342
	struct iwl_station_entry *station;
T
Tomas Winkler 已提交
343
	int max_sta = priv->hw_params.max_stations;
T
Tomas Winkler 已提交
344 345 346 347 348 349 350
	char *buf;
	int i, j, pos = 0;
	ssize_t ret;
	/* Add 30 for initial string */
	const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);

	buf = kmalloc(bufsz, GFP_KERNEL);
351
	if (!buf)
T
Tomas Winkler 已提交
352 353
		return -ENOMEM;

354
	pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
T
Tomas Winkler 已提交
355 356 357 358
			priv->num_stations);

	for (i = 0; i < max_sta; i++) {
		station = &priv->stations[i];
J
Johannes Berg 已提交
359 360 361 362 363 364 365 366 367 368
		if (!station->used)
			continue;
		pos += scnprintf(buf + pos, bufsz - pos,
				 "station %d - addr: %pM, flags: %#x\n",
				 i, station->sta.sta.addr,
				 station->sta.station_flags_msk);
		pos += scnprintf(buf + pos, bufsz - pos,
				"TID\tseq_num\ttxq_id\tframes\ttfds\t");
		pos += scnprintf(buf + pos, bufsz - pos,
				"start_idx\tbitmap\t\t\trate_n_flags\n");
T
Tomas Winkler 已提交
369

J
Johannes Berg 已提交
370 371 372 373 374 375 376 377 378 379 380 381
		for (j = 0; j < MAX_TID_COUNT; j++) {
			pos += scnprintf(buf + pos, bufsz - pos,
				"%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
				j, station->tid[j].seq_number,
				station->tid[j].agg.txq_id,
				station->tid[j].agg.frame_count,
				station->tid[j].tfds_in_queue,
				station->tid[j].agg.start_idx,
				station->tid[j].agg.bitmap,
				station->tid[j].agg.rate_n_flags);

			if (station->tid[j].agg.wait_for_ba)
382
				pos += scnprintf(buf + pos, bufsz - pos,
J
Johannes Berg 已提交
383
						 " - waitforba");
384
			pos += scnprintf(buf + pos, bufsz - pos, "\n");
T
Tomas Winkler 已提交
385
		}
J
Johannes Berg 已提交
386 387

		pos += scnprintf(buf + pos, bufsz - pos, "\n");
T
Tomas Winkler 已提交
388 389 390 391 392 393 394
	}

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

395
static ssize_t iwl_dbgfs_nvm_read(struct file *file,
T
Tomas Winkler 已提交
396 397 398 399 400
				       char __user *user_buf,
				       size_t count,
				       loff_t *ppos)
{
	ssize_t ret;
401
	struct iwl_priv *priv = file->private_data;
T
Tomas Winkler 已提交
402 403 404
	int pos = 0, ofs = 0, buf_size = 0;
	const u8 *ptr;
	char *buf;
W
Wey-Yi Guy 已提交
405
	u16 eeprom_ver;
406
	size_t eeprom_len = priv->cfg->base_params->eeprom_size;
T
Tomas Winkler 已提交
407 408 409
	buf_size = 4 * eeprom_len + 256;

	if (eeprom_len % 16) {
410
		IWL_ERR(priv, "NVM size is not multiple of 16.\n");
T
Tomas Winkler 已提交
411 412 413
		return -ENODATA;
	}

414 415 416 417 418 419
	ptr = priv->eeprom;
	if (!ptr) {
		IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
		return -ENOMEM;
	}

T
Tomas Winkler 已提交
420 421 422
	/* 4 characters for byte 0xYY */
	buf = kzalloc(buf_size, GFP_KERNEL);
	if (!buf) {
423
		IWL_ERR(priv, "Can not allocate Buffer\n");
T
Tomas Winkler 已提交
424 425
		return -ENOMEM;
	}
W
Wey-Yi Guy 已提交
426 427 428
	eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
	pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
			"version: 0x%x\n",
429
			(priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
W
Wey-Yi Guy 已提交
430
			 ? "OTP" : "EEPROM", eeprom_ver);
T
Tomas Winkler 已提交
431 432 433 434
	for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
		pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
		hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
				   buf_size - pos, 0);
435
		pos += strlen(buf + pos);
T
Tomas Winkler 已提交
436 437 438 439 440 441 442 443
		if (buf_size - pos > 0)
			buf[pos++] = '\n';
	}

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}
T
Tomas Winkler 已提交
444

W
Wey-Yi Guy 已提交
445 446 447 448 449 450 451 452 453
static ssize_t iwl_dbgfs_log_event_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char *buf;
	int pos = 0;
	ssize_t ret = -ENOMEM;

454
	ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
455
	if (buf) {
W
Wey-Yi Guy 已提交
456 457 458 459 460 461
		ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
		kfree(buf);
	}
	return ret;
}

462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477
static ssize_t iwl_dbgfs_log_event_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	u32 event_log_flag;
	char buf[8];
	int buf_size;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &event_log_flag) != 1)
		return -EFAULT;
	if (event_log_flag == 1)
478
		iwl_dump_nic_event_log(priv, true, NULL, false);
479 480 481 482

	return count;
}

483 484 485 486 487


static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
				       size_t count, loff_t *ppos)
{
488
	struct iwl_priv *priv = file->private_data;
489 490 491 492 493 494 495 496 497 498 499
	struct ieee80211_channel *channels = NULL;
	const struct ieee80211_supported_band *supp_band = NULL;
	int pos = 0, i, bufsz = PAGE_SIZE;
	char *buf;
	ssize_t ret;

	if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
		return -EAGAIN;

	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
500
		IWL_ERR(priv, "Can not allocate Buffer\n");
501 502 503 504
		return -ENOMEM;
	}

	supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
505 506
	if (supp_band) {
		channels = supp_band->channels;
507 508

		pos += scnprintf(buf + pos, bufsz - pos,
509 510
				"Displaying %d channels in 2.4GHz band 802.11bg):\n",
				supp_band->n_channels);
511

512 513 514
		for (i = 0; i < supp_band->n_channels; i++)
			pos += scnprintf(buf + pos, bufsz - pos,
					"%d: %ddBm: BSS%s%s, %s.\n",
515
					channels[i].hw_value,
516 517 518 519 520 521 522 523 524 525 526
					channels[i].max_power,
					channels[i].flags & IEEE80211_CHAN_RADAR ?
					" (IEEE 802.11h required)" : "",
					((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
					|| (channels[i].flags &
					IEEE80211_CHAN_RADAR)) ? "" :
					", IBSS",
					channels[i].flags &
					IEEE80211_CHAN_PASSIVE_SCAN ?
					"passive only" : "active/passive");
	}
527
	supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
528 529
	if (supp_band) {
		channels = supp_band->channels;
530 531

		pos += scnprintf(buf + pos, bufsz - pos,
532 533 534 535 536 537
				"Displaying %d channels in 5.2GHz band (802.11a)\n",
				supp_band->n_channels);

		for (i = 0; i < supp_band->n_channels; i++)
			pos += scnprintf(buf + pos, bufsz - pos,
					"%d: %ddBm: BSS%s%s, %s.\n",
538
					channels[i].hw_value,
539 540 541 542 543 544 545 546 547 548 549
					channels[i].max_power,
					channels[i].flags & IEEE80211_CHAN_RADAR ?
					" (IEEE 802.11h required)" : "",
					((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
					|| (channels[i].flags &
					IEEE80211_CHAN_RADAR)) ? "" :
					", IBSS",
					channels[i].flags &
					IEEE80211_CHAN_PASSIVE_SCAN ?
					"passive only" : "active/passive");
	}
550 551 552 553 554
	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

555 556 557 558
static ssize_t iwl_dbgfs_status_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos) {

559
	struct iwl_priv *priv = file->private_data;
560 561 562 563 564 565 566 567 568 569
	char buf[512];
	int pos = 0;
	const size_t bufsz = sizeof(buf);

	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
		test_bit(STATUS_HCMD_ACTIVE, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
		test_bit(STATUS_INT_ENABLED, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
		test_bit(STATUS_RF_KILL_HW, &priv->status));
570 571
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
		test_bit(STATUS_CT_KILL, &priv->status));
572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
		test_bit(STATUS_INIT, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
		test_bit(STATUS_ALIVE, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
		test_bit(STATUS_READY, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
		test_bit(STATUS_TEMPERATURE, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
		test_bit(STATUS_GEO_CONFIGURED, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
		test_bit(STATUS_EXIT_PENDING, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
		test_bit(STATUS_STATISTICS, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
		test_bit(STATUS_SCANNING, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
		test_bit(STATUS_SCAN_ABORTING, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
		test_bit(STATUS_SCAN_HW, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
		test_bit(STATUS_POWER_PMI, &priv->status));
	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
		test_bit(STATUS_FW_ERROR, &priv->status));
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

599 600 601 602
static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) {

603
	struct iwl_priv *priv = file->private_data;
604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622
	int pos = 0;
	int cnt = 0;
	char *buf;
	int bufsz = 24 * 64; /* 24 items * 64 char per item */
	ssize_t ret;

	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
	}

	pos += scnprintf(buf + pos, bufsz - pos,
			"Interrupt Statistics Report:\n");

	pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
		priv->isr_stats.hw);
	pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
		priv->isr_stats.sw);
623
	if (priv->isr_stats.sw || priv->isr_stats.hw) {
624 625
		pos += scnprintf(buf + pos, bufsz - pos,
			"\tLast Restarting Code:  0x%X\n",
626
			priv->isr_stats.err_code);
627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686
	}
#ifdef CONFIG_IWLWIFI_DEBUG
	pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
		priv->isr_stats.sch);
	pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
		priv->isr_stats.alive);
#endif
	pos += scnprintf(buf + pos, bufsz - pos,
		"HW RF KILL switch toggled:\t %u\n",
		priv->isr_stats.rfkill);

	pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
		priv->isr_stats.ctkill);

	pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
		priv->isr_stats.wakeup);

	pos += scnprintf(buf + pos, bufsz - pos,
		"Rx command responses:\t\t %u\n",
		priv->isr_stats.rx);
	for (cnt = 0; cnt < REPLY_MAX; cnt++) {
		if (priv->isr_stats.rx_handlers[cnt] > 0)
			pos += scnprintf(buf + pos, bufsz - pos,
				"\tRx handler[%36s]:\t\t %u\n",
				get_cmd_string(cnt),
				priv->isr_stats.rx_handlers[cnt]);
	}

	pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
		priv->isr_stats.tx);

	pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
		priv->isr_stats.unhandled);

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	u32 reset_flag;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%x", &reset_flag) != 1)
		return -EFAULT;
	if (reset_flag == 0)
		iwl_clear_isr_stats(priv);

	return count;
}

W
Wey-Yi Guy 已提交
687 688 689
static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
				       size_t count, loff_t *ppos)
{
690
	struct iwl_priv *priv = file->private_data;
J
Johannes Berg 已提交
691
	struct iwl_rxon_context *ctx;
W
Wey-Yi Guy 已提交
692
	int pos = 0, i;
J
Johannes Berg 已提交
693
	char buf[256 * NUM_IWL_RXON_CTX];
W
Wey-Yi Guy 已提交
694 695
	const size_t bufsz = sizeof(buf);

J
Johannes Berg 已提交
696 697 698 699 700 701 702
	for_each_context(priv, ctx) {
		pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
				 ctx->ctxid);
		for (i = 0; i < AC_NUM; i++) {
			pos += scnprintf(buf + pos, bufsz - pos,
				"\tcw_min\tcw_max\taifsn\ttxop\n");
			pos += scnprintf(buf + pos, bufsz - pos,
W
Wey-Yi Guy 已提交
703
				"AC[%d]\t%u\t%u\t%u\t%u\n", i,
J
Johannes Berg 已提交
704 705 706 707 708 709
				ctx->qos_data.def_qos_parm.ac[i].cw_min,
				ctx->qos_data.def_qos_parm.ac[i].cw_max,
				ctx->qos_data.def_qos_parm.ac[i].aifsn,
				ctx->qos_data.def_qos_parm.ac[i].edca_txop);
		}
		pos += scnprintf(buf + pos, bufsz - pos, "\n");
W
Wey-Yi Guy 已提交
710
	}
711
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
W
Wey-Yi Guy 已提交
712
}
713

714 715 716 717
static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
				char __user *user_buf,
				size_t count, loff_t *ppos)
{
718
	struct iwl_priv *priv = file->private_data;
719
	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
720 721 722 723 724 725 726
	struct iwl_tt_restriction *restriction;
	char buf[100];
	int pos = 0;
	const size_t bufsz = sizeof(buf);

	pos += scnprintf(buf + pos, bufsz - pos,
			"Thermal Throttling Mode: %s\n",
727
			tt->advanced_tt ? "Advance" : "Legacy");
728 729 730
	pos += scnprintf(buf + pos, bufsz - pos,
			"Thermal Throttling State: %d\n",
			tt->state);
731
	if (tt->advanced_tt) {
732 733 734 735 736 737 738 739 740 741 742
		restriction = tt->restriction + tt->state;
		pos += scnprintf(buf + pos, bufsz - pos,
				"Tx mode: %d\n",
				restriction->tx_stream);
		pos += scnprintf(buf + pos, bufsz - pos,
				"Rx mode: %d\n",
				restriction->rx_stream);
		pos += scnprintf(buf + pos, bufsz - pos,
				"HT mode: %d\n",
				restriction->is_ht);
	}
743
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
744 745
}

746 747 748 749 750 751 752 753 754 755 756 757 758 759 760
static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int ht40;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &ht40) != 1)
		return -EFAULT;
761
	if (!iwl_is_any_associated(priv))
762 763 764 765 766 767 768 769 770 771 772 773 774 775
		priv->disable_ht40 = ht40 ? true : false;
	else {
		IWL_ERR(priv, "Sta associated with AP - "
			"Change to 40MHz channel support is not allowed\n");
		return -EINVAL;
	}

	return count;
}

static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{
776
	struct iwl_priv *priv = file->private_data;
777 778 779 780 781 782 783
	char buf[100];
	int pos = 0;
	const size_t bufsz = sizeof(buf);

	pos += scnprintf(buf + pos, bufsz - pos,
			"11n 40MHz Mode: %s\n",
			priv->disable_ht40 ? "Disabled" : "Enabled");
784
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
785 786
}

787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808
static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
						    const char __user *user_buf,
						    size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int value;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;

	if (sscanf(buf, "%d", &value) != 1)
		return -EINVAL;

	/*
	 * Our users expect 0 to be "CAM", but 0 isn't actually
	 * valid here. However, let's not confuse them and present
	 * IWL_POWER_INDEX_1 as "1", not "0".
	 */
809 810 811
	if (value == 0)
		return -EINVAL;
	else if (value > 0)
812 813 814 815 816
		value -= 1;

	if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
		return -EINVAL;

W
Wey-Yi Guy 已提交
817 818 819
	if (!iwl_is_ready_rf(priv))
		return -EAGAIN;

820 821
	priv->power_data.debug_sleep_level_override = value;

822
	mutex_lock(&priv->mutex);
W
Wey-Yi Guy 已提交
823
	iwl_power_update_mode(priv, true);
824
	mutex_unlock(&priv->mutex);
825 826 827 828 829 830 831 832

	return count;
}

static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
						   char __user *user_buf,
						   size_t count, loff_t *ppos)
{
833
	struct iwl_priv *priv = file->private_data;
834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850
	char buf[10];
	int pos, value;
	const size_t bufsz = sizeof(buf);

	/* see the write function */
	value = priv->power_data.debug_sleep_level_override;
	if (value >= 0)
		value += 1;

	pos = scnprintf(buf, bufsz, "%d\n", value);
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
						    char __user *user_buf,
						    size_t count, loff_t *ppos)
{
851
	struct iwl_priv *priv = file->private_data;
852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870
	char buf[200];
	int pos = 0, i;
	const size_t bufsz = sizeof(buf);
	struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;

	pos += scnprintf(buf + pos, bufsz - pos,
			 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
	pos += scnprintf(buf + pos, bufsz - pos,
			 "RX/TX timeout: %d/%d usec\n",
			 le32_to_cpu(cmd->rx_data_timeout),
			 le32_to_cpu(cmd->tx_data_timeout));
	for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
		pos += scnprintf(buf + pos, bufsz - pos,
				 "sleep_interval[%d]: %d\n", i,
				 le32_to_cpu(cmd->sleep_interval[i]));

	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

T
Tomas Winkler 已提交
871
DEBUGFS_READ_WRITE_FILE_OPS(sram);
J
Johannes Berg 已提交
872
DEBUGFS_READ_FILE_OPS(wowlan_sram);
W
Wey-Yi Guy 已提交
873
DEBUGFS_READ_WRITE_FILE_OPS(log_event);
874
DEBUGFS_READ_FILE_OPS(nvm);
T
Tomas Winkler 已提交
875
DEBUGFS_READ_FILE_OPS(stations);
876
DEBUGFS_READ_FILE_OPS(channels);
877
DEBUGFS_READ_FILE_OPS(status);
878
DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
W
Wey-Yi Guy 已提交
879
DEBUGFS_READ_FILE_OPS(qos);
880
DEBUGFS_READ_FILE_OPS(thermal_throttling);
881
DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
882 883
DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
DEBUGFS_READ_FILE_OPS(current_sleep_command);
T
Tomas Winkler 已提交
884

885 886 887 888 889 890 891 892 893 894 895 896
static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	int pos = 0, ofs = 0;
	int cnt = 0, entry;
	struct iwl_tx_queue *txq;
	struct iwl_queue *q;
	struct iwl_rx_queue *rxq = &priv->rxq;
	char *buf;
	int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
897
		(priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
898 899 900
	const u8 *ptr;
	ssize_t ret;

901 902 903 904
	if (!priv->txq) {
		IWL_ERR(priv, "txq not ready\n");
		return -EAGAIN;
	}
905 906 907 908 909 910 911 912 913 914 915 916 917
	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate buffer\n");
		return -ENOMEM;
	}
	pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
	for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
		txq = &priv->txq[cnt];
		q = &txq->q;
		pos += scnprintf(buf + pos, bufsz - pos,
				"q[%d]: read_ptr: %u, write_ptr: %u\n",
				cnt, q->read_ptr, q->write_ptr);
	}
918 919
	if (priv->tx_traffic &&
		(iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) {
920 921 922 923 924 925 926 927 928 929
		ptr = priv->tx_traffic;
		pos += scnprintf(buf + pos, bufsz - pos,
				"Tx Traffic idx: %u\n",	priv->tx_traffic_idx);
		for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
			for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
			     entry++,  ofs += 16) {
				pos += scnprintf(buf + pos, bufsz - pos,
						"0x%.4x ", ofs);
				hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
						   buf + pos, bufsz - pos, 0);
930
				pos += strlen(buf + pos);
931 932 933 934 935 936 937 938 939 940 941
				if (bufsz - pos > 0)
					buf[pos++] = '\n';
			}
		}
	}

	pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
	pos += scnprintf(buf + pos, bufsz - pos,
			"read: %u, write: %u\n",
			 rxq->read, rxq->write);

942 943
	if (priv->rx_traffic &&
		(iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) {
944 945 946 947 948 949 950 951 952 953
		ptr = priv->rx_traffic;
		pos += scnprintf(buf + pos, bufsz - pos,
				"Rx Traffic idx: %u\n",	priv->rx_traffic_idx);
		for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
			for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
			     entry++,  ofs += 16) {
				pos += scnprintf(buf + pos, bufsz - pos,
						"0x%.4x ", ofs);
				hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
						   buf + pos, bufsz - pos, 0);
954
				pos += strlen(buf + pos);
955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986
				if (bufsz - pos > 0)
					buf[pos++] = '\n';
			}
		}
	}

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int traffic_log;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &traffic_log) != 1)
		return -EFAULT;
	if (traffic_log == 0)
		iwl_reset_traffic_log(priv);

	return count;
}

987 988 989 990
static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos) {

991
	struct iwl_priv *priv = file->private_data;
992 993 994 995 996 997
	struct iwl_tx_queue *txq;
	struct iwl_queue *q;
	char *buf;
	int pos = 0;
	int cnt;
	int ret;
998 999
	const size_t bufsz = sizeof(char) * 64 *
				priv->cfg->base_params->num_of_queues;
1000

1001 1002 1003 1004
	if (!priv->txq) {
		IWL_ERR(priv, "txq not ready\n");
		return -EAGAIN;
	}
1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
		txq = &priv->txq[cnt];
		q = &txq->q;
		pos += scnprintf(buf + pos, bufsz - pos,
				"hwq %.2d: read=%u write=%u stop=%d"
				" swq_id=%#.2x (ac %d/hwq %d)\n",
				cnt, q->read_ptr, q->write_ptr,
				!!test_bit(cnt, priv->queue_stopped),
1017 1018
				txq->swq_id, txq->swq_id & 3,
				(txq->swq_id >> 2) & 0x1f);
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
		if (cnt >= 4)
			continue;
		/* for the ACs, display the stop count too */
		pos += scnprintf(buf + pos, bufsz - pos,
				"        stop-count: %d\n",
				atomic_read(&priv->queue_stop_count[cnt]));
	}
	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos) {

1035
	struct iwl_priv *priv = file->private_data;
1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046
	struct iwl_rx_queue *rxq = &priv->rxq;
	char buf[256];
	int pos = 0;
	const size_t bufsz = sizeof(buf);

	pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
						rxq->read);
	pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
						rxq->write);
	pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
						rxq->free_count);
1047 1048
	if (rxq->rb_stts) {
		pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1049
			 le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1050 1051 1052 1053
	} else {
		pos += scnprintf(buf + pos, bufsz - pos,
					"closed_rb_num: Not Allocated\n");
	}
1054 1055 1056
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083
static const char *fmt_value = "  %-30s %10u\n";
static const char *fmt_hex   = "  %-30s       0x%02X\n";
static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
static const char *fmt_header =
	"%-32s    current  cumulative       delta         max\n";

static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
{
	int p = 0;
	u32 flag;

	flag = le32_to_cpu(priv->statistics.flag);

	p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
	if (flag & UCODE_STATISTICS_CLEAR_MSK)
		p += scnprintf(buf + p, bufsz - p,
		"\tStatistics have been cleared\n");
	p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
		(flag & UCODE_STATISTICS_FREQUENCY_MSK)
		? "2.4 GHz" : "5.2 GHz");
	p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
		(flag & UCODE_STATISTICS_NARROW_BAND_MSK)
		 ? "enabled" : "disabled");

	return p;
}

1084 1085 1086 1087
static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{
1088
	struct iwl_priv *priv = file->private_data;
1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513
	int pos = 0;
	char *buf;
	int bufsz = sizeof(struct statistics_rx_phy) * 40 +
		    sizeof(struct statistics_rx_non_phy) * 40 +
		    sizeof(struct statistics_rx_ht_phy) * 40 + 400;
	ssize_t ret;
	struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
	struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
	struct statistics_rx_non_phy *general, *accum_general;
	struct statistics_rx_non_phy *delta_general, *max_general;
	struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;

	if (!iwl_is_alive(priv))
		return -EAGAIN;

	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
	}

	/*
	 * the statistic information display here is based on
	 * the last statistics notification from uCode
	 * might not reflect the current uCode activity
	 */
	ofdm = &priv->statistics.rx_ofdm;
	cck = &priv->statistics.rx_cck;
	general = &priv->statistics.rx_non_phy;
	ht = &priv->statistics.rx_ofdm_ht;
	accum_ofdm = &priv->accum_stats.rx_ofdm;
	accum_cck = &priv->accum_stats.rx_cck;
	accum_general = &priv->accum_stats.rx_non_phy;
	accum_ht = &priv->accum_stats.rx_ofdm_ht;
	delta_ofdm = &priv->delta_stats.rx_ofdm;
	delta_cck = &priv->delta_stats.rx_cck;
	delta_general = &priv->delta_stats.rx_non_phy;
	delta_ht = &priv->delta_stats.rx_ofdm_ht;
	max_ofdm = &priv->max_delta_stats.rx_ofdm;
	max_cck = &priv->max_delta_stats.rx_cck;
	max_general = &priv->max_delta_stats.rx_non_phy;
	max_ht = &priv->max_delta_stats.rx_ofdm_ht;

	pos += iwl_statistics_flag(priv, buf, bufsz);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_header, "Statistics_Rx - OFDM:");
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "ina_cnt:",
			 le32_to_cpu(ofdm->ina_cnt),
			 accum_ofdm->ina_cnt,
			 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "fina_cnt:",
			 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
			 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "plcp_err:",
			 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
			 delta_ofdm->plcp_err, max_ofdm->plcp_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "crc32_err:",
			 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
			 delta_ofdm->crc32_err, max_ofdm->crc32_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "overrun_err:",
			 le32_to_cpu(ofdm->overrun_err),
			 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
			 max_ofdm->overrun_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "early_overrun_err:",
			 le32_to_cpu(ofdm->early_overrun_err),
			 accum_ofdm->early_overrun_err,
			 delta_ofdm->early_overrun_err,
			 max_ofdm->early_overrun_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "crc32_good:",
			 le32_to_cpu(ofdm->crc32_good),
			 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
			 max_ofdm->crc32_good);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "false_alarm_cnt:",
			 le32_to_cpu(ofdm->false_alarm_cnt),
			 accum_ofdm->false_alarm_cnt,
			 delta_ofdm->false_alarm_cnt,
			 max_ofdm->false_alarm_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "fina_sync_err_cnt:",
			 le32_to_cpu(ofdm->fina_sync_err_cnt),
			 accum_ofdm->fina_sync_err_cnt,
			 delta_ofdm->fina_sync_err_cnt,
			 max_ofdm->fina_sync_err_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sfd_timeout:",
			 le32_to_cpu(ofdm->sfd_timeout),
			 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
			 max_ofdm->sfd_timeout);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "fina_timeout:",
			 le32_to_cpu(ofdm->fina_timeout),
			 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
			 max_ofdm->fina_timeout);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "unresponded_rts:",
			 le32_to_cpu(ofdm->unresponded_rts),
			 accum_ofdm->unresponded_rts,
			 delta_ofdm->unresponded_rts,
			 max_ofdm->unresponded_rts);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "rxe_frame_lmt_ovrun:",
			 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
			 accum_ofdm->rxe_frame_limit_overrun,
			 delta_ofdm->rxe_frame_limit_overrun,
			 max_ofdm->rxe_frame_limit_overrun);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sent_ack_cnt:",
			 le32_to_cpu(ofdm->sent_ack_cnt),
			 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
			 max_ofdm->sent_ack_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sent_cts_cnt:",
			 le32_to_cpu(ofdm->sent_cts_cnt),
			 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
			 max_ofdm->sent_cts_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sent_ba_rsp_cnt:",
			 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
			 accum_ofdm->sent_ba_rsp_cnt,
			 delta_ofdm->sent_ba_rsp_cnt,
			 max_ofdm->sent_ba_rsp_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "dsp_self_kill:",
			 le32_to_cpu(ofdm->dsp_self_kill),
			 accum_ofdm->dsp_self_kill,
			 delta_ofdm->dsp_self_kill,
			 max_ofdm->dsp_self_kill);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "mh_format_err:",
			 le32_to_cpu(ofdm->mh_format_err),
			 accum_ofdm->mh_format_err,
			 delta_ofdm->mh_format_err,
			 max_ofdm->mh_format_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "re_acq_main_rssi_sum:",
			 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
			 accum_ofdm->re_acq_main_rssi_sum,
			 delta_ofdm->re_acq_main_rssi_sum,
			 max_ofdm->re_acq_main_rssi_sum);

	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_header, "Statistics_Rx - CCK:");
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "ina_cnt:",
			 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
			 delta_cck->ina_cnt, max_cck->ina_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "fina_cnt:",
			 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
			 delta_cck->fina_cnt, max_cck->fina_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "plcp_err:",
			 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
			 delta_cck->plcp_err, max_cck->plcp_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "crc32_err:",
			 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
			 delta_cck->crc32_err, max_cck->crc32_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "overrun_err:",
			 le32_to_cpu(cck->overrun_err),
			 accum_cck->overrun_err, delta_cck->overrun_err,
			 max_cck->overrun_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "early_overrun_err:",
			 le32_to_cpu(cck->early_overrun_err),
			 accum_cck->early_overrun_err,
			 delta_cck->early_overrun_err,
			 max_cck->early_overrun_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "crc32_good:",
			 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
			 delta_cck->crc32_good, max_cck->crc32_good);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "false_alarm_cnt:",
			 le32_to_cpu(cck->false_alarm_cnt),
			 accum_cck->false_alarm_cnt,
			 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "fina_sync_err_cnt:",
			 le32_to_cpu(cck->fina_sync_err_cnt),
			 accum_cck->fina_sync_err_cnt,
			 delta_cck->fina_sync_err_cnt,
			 max_cck->fina_sync_err_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sfd_timeout:",
			 le32_to_cpu(cck->sfd_timeout),
			 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
			 max_cck->sfd_timeout);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "fina_timeout:",
			 le32_to_cpu(cck->fina_timeout),
			 accum_cck->fina_timeout, delta_cck->fina_timeout,
			 max_cck->fina_timeout);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "unresponded_rts:",
			 le32_to_cpu(cck->unresponded_rts),
			 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
			 max_cck->unresponded_rts);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "rxe_frame_lmt_ovrun:",
			 le32_to_cpu(cck->rxe_frame_limit_overrun),
			 accum_cck->rxe_frame_limit_overrun,
			 delta_cck->rxe_frame_limit_overrun,
			 max_cck->rxe_frame_limit_overrun);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sent_ack_cnt:",
			 le32_to_cpu(cck->sent_ack_cnt),
			 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
			 max_cck->sent_ack_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sent_cts_cnt:",
			 le32_to_cpu(cck->sent_cts_cnt),
			 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
			 max_cck->sent_cts_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sent_ba_rsp_cnt:",
			 le32_to_cpu(cck->sent_ba_rsp_cnt),
			 accum_cck->sent_ba_rsp_cnt,
			 delta_cck->sent_ba_rsp_cnt,
			 max_cck->sent_ba_rsp_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "dsp_self_kill:",
			 le32_to_cpu(cck->dsp_self_kill),
			 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
			 max_cck->dsp_self_kill);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "mh_format_err:",
			 le32_to_cpu(cck->mh_format_err),
			 accum_cck->mh_format_err, delta_cck->mh_format_err,
			 max_cck->mh_format_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "re_acq_main_rssi_sum:",
			 le32_to_cpu(cck->re_acq_main_rssi_sum),
			 accum_cck->re_acq_main_rssi_sum,
			 delta_cck->re_acq_main_rssi_sum,
			 max_cck->re_acq_main_rssi_sum);

	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_header, "Statistics_Rx - GENERAL:");
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "bogus_cts:",
			 le32_to_cpu(general->bogus_cts),
			 accum_general->bogus_cts, delta_general->bogus_cts,
			 max_general->bogus_cts);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "bogus_ack:",
			 le32_to_cpu(general->bogus_ack),
			 accum_general->bogus_ack, delta_general->bogus_ack,
			 max_general->bogus_ack);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "non_bssid_frames:",
			 le32_to_cpu(general->non_bssid_frames),
			 accum_general->non_bssid_frames,
			 delta_general->non_bssid_frames,
			 max_general->non_bssid_frames);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "filtered_frames:",
			 le32_to_cpu(general->filtered_frames),
			 accum_general->filtered_frames,
			 delta_general->filtered_frames,
			 max_general->filtered_frames);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "non_channel_beacons:",
			 le32_to_cpu(general->non_channel_beacons),
			 accum_general->non_channel_beacons,
			 delta_general->non_channel_beacons,
			 max_general->non_channel_beacons);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "channel_beacons:",
			 le32_to_cpu(general->channel_beacons),
			 accum_general->channel_beacons,
			 delta_general->channel_beacons,
			 max_general->channel_beacons);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "num_missed_bcon:",
			 le32_to_cpu(general->num_missed_bcon),
			 accum_general->num_missed_bcon,
			 delta_general->num_missed_bcon,
			 max_general->num_missed_bcon);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "adc_rx_saturation_time:",
			 le32_to_cpu(general->adc_rx_saturation_time),
			 accum_general->adc_rx_saturation_time,
			 delta_general->adc_rx_saturation_time,
			 max_general->adc_rx_saturation_time);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "ina_detect_search_tm:",
			 le32_to_cpu(general->ina_detection_search_time),
			 accum_general->ina_detection_search_time,
			 delta_general->ina_detection_search_time,
			 max_general->ina_detection_search_time);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_silence_rssi_a:",
			 le32_to_cpu(general->beacon_silence_rssi_a),
			 accum_general->beacon_silence_rssi_a,
			 delta_general->beacon_silence_rssi_a,
			 max_general->beacon_silence_rssi_a);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_silence_rssi_b:",
			 le32_to_cpu(general->beacon_silence_rssi_b),
			 accum_general->beacon_silence_rssi_b,
			 delta_general->beacon_silence_rssi_b,
			 max_general->beacon_silence_rssi_b);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_silence_rssi_c:",
			 le32_to_cpu(general->beacon_silence_rssi_c),
			 accum_general->beacon_silence_rssi_c,
			 delta_general->beacon_silence_rssi_c,
			 max_general->beacon_silence_rssi_c);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "interference_data_flag:",
			 le32_to_cpu(general->interference_data_flag),
			 accum_general->interference_data_flag,
			 delta_general->interference_data_flag,
			 max_general->interference_data_flag);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "channel_load:",
			 le32_to_cpu(general->channel_load),
			 accum_general->channel_load,
			 delta_general->channel_load,
			 max_general->channel_load);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "dsp_false_alarms:",
			 le32_to_cpu(general->dsp_false_alarms),
			 accum_general->dsp_false_alarms,
			 delta_general->dsp_false_alarms,
			 max_general->dsp_false_alarms);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_rssi_a:",
			 le32_to_cpu(general->beacon_rssi_a),
			 accum_general->beacon_rssi_a,
			 delta_general->beacon_rssi_a,
			 max_general->beacon_rssi_a);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_rssi_b:",
			 le32_to_cpu(general->beacon_rssi_b),
			 accum_general->beacon_rssi_b,
			 delta_general->beacon_rssi_b,
			 max_general->beacon_rssi_b);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_rssi_c:",
			 le32_to_cpu(general->beacon_rssi_c),
			 accum_general->beacon_rssi_c,
			 delta_general->beacon_rssi_c,
			 max_general->beacon_rssi_c);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_energy_a:",
			 le32_to_cpu(general->beacon_energy_a),
			 accum_general->beacon_energy_a,
			 delta_general->beacon_energy_a,
			 max_general->beacon_energy_a);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_energy_b:",
			 le32_to_cpu(general->beacon_energy_b),
			 accum_general->beacon_energy_b,
			 delta_general->beacon_energy_b,
			 max_general->beacon_energy_b);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "beacon_energy_c:",
			 le32_to_cpu(general->beacon_energy_c),
			 accum_general->beacon_energy_c,
			 delta_general->beacon_energy_c,
			 max_general->beacon_energy_c);

	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_header, "Statistics_Rx - OFDM_HT:");
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "plcp_err:",
			 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
			 delta_ht->plcp_err, max_ht->plcp_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "overrun_err:",
			 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
			 delta_ht->overrun_err, max_ht->overrun_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "early_overrun_err:",
			 le32_to_cpu(ht->early_overrun_err),
			 accum_ht->early_overrun_err,
			 delta_ht->early_overrun_err,
			 max_ht->early_overrun_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "crc32_good:",
			 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
			 delta_ht->crc32_good, max_ht->crc32_good);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "crc32_err:",
			 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
			 delta_ht->crc32_err, max_ht->crc32_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "mh_format_err:",
			 le32_to_cpu(ht->mh_format_err),
			 accum_ht->mh_format_err,
			 delta_ht->mh_format_err, max_ht->mh_format_err);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg_crc32_good:",
			 le32_to_cpu(ht->agg_crc32_good),
			 accum_ht->agg_crc32_good,
			 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg_mpdu_cnt:",
			 le32_to_cpu(ht->agg_mpdu_cnt),
			 accum_ht->agg_mpdu_cnt,
			 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg_cnt:",
			 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
			 delta_ht->agg_cnt, max_ht->agg_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "unsupport_mcs:",
			 le32_to_cpu(ht->unsupport_mcs),
			 accum_ht->unsupport_mcs,
			 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
1514 1515 1516 1517 1518 1519
}

static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{
1520
	struct iwl_priv *priv = file->private_data;
1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704
	int pos = 0;
	char *buf;
	int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
	ssize_t ret;
	struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;

	if (!iwl_is_alive(priv))
		return -EAGAIN;

	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
	}

	/* the statistic information display here is based on
	 * the last statistics notification from uCode
	 * might not reflect the current uCode activity
	 */
	tx = &priv->statistics.tx;
	accum_tx = &priv->accum_stats.tx;
	delta_tx = &priv->delta_stats.tx;
	max_tx = &priv->max_delta_stats.tx;

	pos += iwl_statistics_flag(priv, buf, bufsz);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_header, "Statistics_Tx:");
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "preamble:",
			 le32_to_cpu(tx->preamble_cnt),
			 accum_tx->preamble_cnt,
			 delta_tx->preamble_cnt, max_tx->preamble_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "rx_detected_cnt:",
			 le32_to_cpu(tx->rx_detected_cnt),
			 accum_tx->rx_detected_cnt,
			 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "bt_prio_defer_cnt:",
			 le32_to_cpu(tx->bt_prio_defer_cnt),
			 accum_tx->bt_prio_defer_cnt,
			 delta_tx->bt_prio_defer_cnt,
			 max_tx->bt_prio_defer_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "bt_prio_kill_cnt:",
			 le32_to_cpu(tx->bt_prio_kill_cnt),
			 accum_tx->bt_prio_kill_cnt,
			 delta_tx->bt_prio_kill_cnt,
			 max_tx->bt_prio_kill_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "few_bytes_cnt:",
			 le32_to_cpu(tx->few_bytes_cnt),
			 accum_tx->few_bytes_cnt,
			 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "cts_timeout:",
			 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
			 delta_tx->cts_timeout, max_tx->cts_timeout);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "ack_timeout:",
			 le32_to_cpu(tx->ack_timeout),
			 accum_tx->ack_timeout,
			 delta_tx->ack_timeout, max_tx->ack_timeout);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "expected_ack_cnt:",
			 le32_to_cpu(tx->expected_ack_cnt),
			 accum_tx->expected_ack_cnt,
			 delta_tx->expected_ack_cnt,
			 max_tx->expected_ack_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "actual_ack_cnt:",
			 le32_to_cpu(tx->actual_ack_cnt),
			 accum_tx->actual_ack_cnt,
			 delta_tx->actual_ack_cnt,
			 max_tx->actual_ack_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "dump_msdu_cnt:",
			 le32_to_cpu(tx->dump_msdu_cnt),
			 accum_tx->dump_msdu_cnt,
			 delta_tx->dump_msdu_cnt,
			 max_tx->dump_msdu_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "abort_nxt_frame_mismatch:",
			 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
			 accum_tx->burst_abort_next_frame_mismatch_cnt,
			 delta_tx->burst_abort_next_frame_mismatch_cnt,
			 max_tx->burst_abort_next_frame_mismatch_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "abort_missing_nxt_frame:",
			 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
			 accum_tx->burst_abort_missing_next_frame_cnt,
			 delta_tx->burst_abort_missing_next_frame_cnt,
			 max_tx->burst_abort_missing_next_frame_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "cts_timeout_collision:",
			 le32_to_cpu(tx->cts_timeout_collision),
			 accum_tx->cts_timeout_collision,
			 delta_tx->cts_timeout_collision,
			 max_tx->cts_timeout_collision);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "ack_ba_timeout_collision:",
			 le32_to_cpu(tx->ack_or_ba_timeout_collision),
			 accum_tx->ack_or_ba_timeout_collision,
			 delta_tx->ack_or_ba_timeout_collision,
			 max_tx->ack_or_ba_timeout_collision);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg ba_timeout:",
			 le32_to_cpu(tx->agg.ba_timeout),
			 accum_tx->agg.ba_timeout,
			 delta_tx->agg.ba_timeout,
			 max_tx->agg.ba_timeout);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg ba_resched_frames:",
			 le32_to_cpu(tx->agg.ba_reschedule_frames),
			 accum_tx->agg.ba_reschedule_frames,
			 delta_tx->agg.ba_reschedule_frames,
			 max_tx->agg.ba_reschedule_frames);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg scd_query_agg_frame:",
			 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
			 accum_tx->agg.scd_query_agg_frame_cnt,
			 delta_tx->agg.scd_query_agg_frame_cnt,
			 max_tx->agg.scd_query_agg_frame_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg scd_query_no_agg:",
			 le32_to_cpu(tx->agg.scd_query_no_agg),
			 accum_tx->agg.scd_query_no_agg,
			 delta_tx->agg.scd_query_no_agg,
			 max_tx->agg.scd_query_no_agg);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg scd_query_agg:",
			 le32_to_cpu(tx->agg.scd_query_agg),
			 accum_tx->agg.scd_query_agg,
			 delta_tx->agg.scd_query_agg,
			 max_tx->agg.scd_query_agg);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg scd_query_mismatch:",
			 le32_to_cpu(tx->agg.scd_query_mismatch),
			 accum_tx->agg.scd_query_mismatch,
			 delta_tx->agg.scd_query_mismatch,
			 max_tx->agg.scd_query_mismatch);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg frame_not_ready:",
			 le32_to_cpu(tx->agg.frame_not_ready),
			 accum_tx->agg.frame_not_ready,
			 delta_tx->agg.frame_not_ready,
			 max_tx->agg.frame_not_ready);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg underrun:",
			 le32_to_cpu(tx->agg.underrun),
			 accum_tx->agg.underrun,
			 delta_tx->agg.underrun, max_tx->agg.underrun);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg bt_prio_kill:",
			 le32_to_cpu(tx->agg.bt_prio_kill),
			 accum_tx->agg.bt_prio_kill,
			 delta_tx->agg.bt_prio_kill,
			 max_tx->agg.bt_prio_kill);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "agg rx_ba_rsp_cnt:",
			 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
			 accum_tx->agg.rx_ba_rsp_cnt,
			 delta_tx->agg.rx_ba_rsp_cnt,
			 max_tx->agg.rx_ba_rsp_cnt);

	if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
		pos += scnprintf(buf + pos, bufsz - pos,
			"tx power: (1/2 dB step)\n");
		if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
			pos += scnprintf(buf + pos, bufsz - pos,
					fmt_hex, "antenna A:",
					tx->tx_power.ant_a);
		if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
			pos += scnprintf(buf + pos, bufsz - pos,
					fmt_hex, "antenna B:",
					tx->tx_power.ant_b);
		if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
			pos += scnprintf(buf + pos, bufsz - pos,
					fmt_hex, "antenna C:",
					tx->tx_power.ant_c);
	}
	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
1705 1706 1707 1708 1709 1710
}

static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{
1711
	struct iwl_priv *priv = file->private_data;
1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
	int pos = 0;
	char *buf;
	int bufsz = sizeof(struct statistics_general) * 10 + 300;
	ssize_t ret;
	struct statistics_general_common *general, *accum_general;
	struct statistics_general_common *delta_general, *max_general;
	struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
	struct statistics_div *div, *accum_div, *delta_div, *max_div;

	if (!iwl_is_alive(priv))
		return -EAGAIN;

	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
	}

	/* the statistic information display here is based on
	 * the last statistics notification from uCode
	 * might not reflect the current uCode activity
	 */
	general = &priv->statistics.common;
	dbg = &priv->statistics.common.dbg;
	div = &priv->statistics.common.div;
	accum_general = &priv->accum_stats.common;
	accum_dbg = &priv->accum_stats.common.dbg;
	accum_div = &priv->accum_stats.common.div;
	delta_general = &priv->delta_stats.common;
	max_general = &priv->max_delta_stats.common;
	delta_dbg = &priv->delta_stats.common.dbg;
	max_dbg = &priv->max_delta_stats.common.dbg;
	delta_div = &priv->delta_stats.common.div;
	max_div = &priv->max_delta_stats.common.div;

	pos += iwl_statistics_flag(priv, buf, bufsz);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_header, "Statistics_General:");
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_value, "temperature:",
			 le32_to_cpu(general->temperature));
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_value, "temperature_m:",
			 le32_to_cpu(general->temperature_m));
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_value, "ttl_timestamp:",
			 le32_to_cpu(general->ttl_timestamp));
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "burst_check:",
			 le32_to_cpu(dbg->burst_check),
			 accum_dbg->burst_check,
			 delta_dbg->burst_check, max_dbg->burst_check);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "burst_count:",
			 le32_to_cpu(dbg->burst_count),
			 accum_dbg->burst_count,
			 delta_dbg->burst_count, max_dbg->burst_count);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "wait_for_silence_timeout_count:",
			 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
			 accum_dbg->wait_for_silence_timeout_cnt,
			 delta_dbg->wait_for_silence_timeout_cnt,
			 max_dbg->wait_for_silence_timeout_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "sleep_time:",
			 le32_to_cpu(general->sleep_time),
			 accum_general->sleep_time,
			 delta_general->sleep_time, max_general->sleep_time);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "slots_out:",
			 le32_to_cpu(general->slots_out),
			 accum_general->slots_out,
			 delta_general->slots_out, max_general->slots_out);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "slots_idle:",
			 le32_to_cpu(general->slots_idle),
			 accum_general->slots_idle,
			 delta_general->slots_idle, max_general->slots_idle);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "tx_on_a:",
			 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
			 delta_div->tx_on_a, max_div->tx_on_a);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "tx_on_b:",
			 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
			 delta_div->tx_on_b, max_div->tx_on_b);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "exec_time:",
			 le32_to_cpu(div->exec_time), accum_div->exec_time,
			 delta_div->exec_time, max_div->exec_time);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "probe_time:",
			 le32_to_cpu(div->probe_time), accum_div->probe_time,
			 delta_div->probe_time, max_div->probe_time);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "rx_enable_counter:",
			 le32_to_cpu(general->rx_enable_counter),
			 accum_general->rx_enable_counter,
			 delta_general->rx_enable_counter,
			 max_general->rx_enable_counter);
	pos += scnprintf(buf + pos, bufsz - pos,
			 fmt_table, "num_of_sos_states:",
			 le32_to_cpu(general->num_of_sos_states),
			 accum_general->num_of_sos_states,
			 delta_general->num_of_sos_states,
			 max_general->num_of_sos_states);
	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
	int pos = 0;
	char *buf;
	int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
	ssize_t ret;
	struct statistics_bt_activity *bt, *accum_bt;

	if (!iwl_is_alive(priv))
		return -EAGAIN;

	if (!priv->bt_enable_flag)
		return -EINVAL;

	/* make request to uCode to retrieve statistics information */
	mutex_lock(&priv->mutex);
	ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
	mutex_unlock(&priv->mutex);

	if (ret) {
		IWL_ERR(priv,
			"Error sending statistics request: %zd\n", ret);
		return -EAGAIN;
	}
	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
	}

	/*
	 * the statistic information display here is based on
	 * the last statistics notification from uCode
	 * might not reflect the current uCode activity
	 */
	bt = &priv->statistics.bt_activity;
	accum_bt = &priv->accum_stats.bt_activity;

	pos += iwl_statistics_flag(priv, buf, bufsz);
	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
	pos += scnprintf(buf + pos, bufsz - pos,
			"\t\t\tcurrent\t\t\taccumulative\n");
	pos += scnprintf(buf + pos, bufsz - pos,
			 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
			 le32_to_cpu(bt->hi_priority_tx_req_cnt),
			 accum_bt->hi_priority_tx_req_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
			 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
			 accum_bt->hi_priority_tx_denied_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
			 le32_to_cpu(bt->lo_priority_tx_req_cnt),
			 accum_bt->lo_priority_tx_req_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
			 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
			 accum_bt->lo_priority_tx_denied_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
			 le32_to_cpu(bt->hi_priority_rx_req_cnt),
			 accum_bt->hi_priority_rx_req_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
			 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
			 accum_bt->hi_priority_rx_denied_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
			 le32_to_cpu(bt->lo_priority_rx_req_cnt),
			 accum_bt->lo_priority_rx_req_cnt);
	pos += scnprintf(buf + pos, bufsz - pos,
			 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
			 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
			 accum_bt->lo_priority_rx_denied_cnt);

	pos += scnprintf(buf + pos, bufsz - pos,
			 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
			 le32_to_cpu(priv->statistics.num_bt_kills),
			 priv->statistics.accum_num_bt_kills);

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
	int pos = 0;
	char *buf;
	int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
		(sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
	ssize_t ret;

	if (!iwl_is_alive(priv))
		return -EAGAIN;

	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
	}

	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
W
Wey-Yi Guy 已提交
1934
			 priv->reply_tx_stats.pp_delay);
1935 1936
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
W
Wey-Yi Guy 已提交
1937
			 priv->reply_tx_stats.pp_few_bytes);
1938 1939
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
W
Wey-Yi Guy 已提交
1940
			 priv->reply_tx_stats.pp_bt_prio);
1941 1942
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
W
Wey-Yi Guy 已提交
1943
			 priv->reply_tx_stats.pp_quiet_period);
1944 1945
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
W
Wey-Yi Guy 已提交
1946
			 priv->reply_tx_stats.pp_calc_ttak);
1947 1948 1949
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
			 iwl_get_tx_fail_reason(
				TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
W
Wey-Yi Guy 已提交
1950
			 priv->reply_tx_stats.int_crossed_retry);
1951 1952
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
W
Wey-Yi Guy 已提交
1953
			 priv->reply_tx_stats.short_limit);
1954 1955
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
W
Wey-Yi Guy 已提交
1956
			 priv->reply_tx_stats.long_limit);
1957 1958
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
W
Wey-Yi Guy 已提交
1959
			 priv->reply_tx_stats.fifo_underrun);
1960 1961
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
W
Wey-Yi Guy 已提交
1962
			 priv->reply_tx_stats.drain_flow);
1963 1964
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
W
Wey-Yi Guy 已提交
1965
			 priv->reply_tx_stats.rfkill_flush);
1966 1967
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
W
Wey-Yi Guy 已提交
1968
			 priv->reply_tx_stats.life_expire);
1969 1970
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
W
Wey-Yi Guy 已提交
1971
			 priv->reply_tx_stats.dest_ps);
1972 1973
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
W
Wey-Yi Guy 已提交
1974
			 priv->reply_tx_stats.host_abort);
1975 1976
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
W
Wey-Yi Guy 已提交
1977
			 priv->reply_tx_stats.pp_delay);
1978 1979
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
W
Wey-Yi Guy 已提交
1980
			 priv->reply_tx_stats.sta_invalid);
1981 1982
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
W
Wey-Yi Guy 已提交
1983
			 priv->reply_tx_stats.frag_drop);
1984 1985
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
W
Wey-Yi Guy 已提交
1986
			 priv->reply_tx_stats.tid_disable);
1987 1988
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
W
Wey-Yi Guy 已提交
1989
			 priv->reply_tx_stats.fifo_flush);
1990 1991 1992
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
			 iwl_get_tx_fail_reason(
				TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
W
Wey-Yi Guy 已提交
1993
			 priv->reply_tx_stats.insuff_cf_poll);
1994 1995
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
W
Wey-Yi Guy 已提交
1996
			 priv->reply_tx_stats.fail_hw_drop);
1997 1998 1999
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
			 iwl_get_tx_fail_reason(
				TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
W
Wey-Yi Guy 已提交
2000
			 priv->reply_tx_stats.sta_color_mismatch);
2001
	pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
W
Wey-Yi Guy 已提交
2002
			 priv->reply_tx_stats.unknown);
2003 2004 2005 2006 2007 2008

	pos += scnprintf(buf + pos, bufsz - pos,
			 "\nStatistics_Agg_TX_Error:\n");

	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
W
Wey-Yi Guy 已提交
2009
			 priv->reply_agg_tx_stats.underrun);
2010 2011
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
W
Wey-Yi Guy 已提交
2012
			 priv->reply_agg_tx_stats.bt_prio);
2013 2014
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
W
Wey-Yi Guy 已提交
2015
			 priv->reply_agg_tx_stats.few_bytes);
2016 2017
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
W
Wey-Yi Guy 已提交
2018
			 priv->reply_agg_tx_stats.abort);
2019 2020 2021
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(
				AGG_TX_STATE_LAST_SENT_TTL_MSK),
W
Wey-Yi Guy 已提交
2022
			 priv->reply_agg_tx_stats.last_sent_ttl);
2023 2024 2025
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(
				AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
W
Wey-Yi Guy 已提交
2026
			 priv->reply_agg_tx_stats.last_sent_try);
2027 2028 2029
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(
				AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
W
Wey-Yi Guy 已提交
2030
			 priv->reply_agg_tx_stats.last_sent_bt_kill);
2031 2032
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
W
Wey-Yi Guy 已提交
2033
			 priv->reply_agg_tx_stats.scd_query);
2034 2035 2036
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(
				AGG_TX_STATE_TEST_BAD_CRC32_MSK),
W
Wey-Yi Guy 已提交
2037
			 priv->reply_agg_tx_stats.bad_crc32);
2038 2039
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
W
Wey-Yi Guy 已提交
2040
			 priv->reply_agg_tx_stats.response);
2041 2042
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
W
Wey-Yi Guy 已提交
2043
			 priv->reply_agg_tx_stats.dump_tx);
2044 2045
	pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
			 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
W
Wey-Yi Guy 已提交
2046
			 priv->reply_agg_tx_stats.delay_tx);
2047
	pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
W
Wey-Yi Guy 已提交
2048
			 priv->reply_agg_tx_stats.unknown);
2049 2050 2051 2052

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
2053 2054
}

2055 2056 2057 2058
static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) {

2059
	struct iwl_priv *priv = file->private_data;
2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139
	int pos = 0;
	int cnt = 0;
	char *buf;
	int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
	ssize_t ret;
	struct iwl_sensitivity_data *data;

	data = &priv->sensitivity_data;
	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
	}

	pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
			data->auto_corr_ofdm);
	pos += scnprintf(buf + pos, bufsz - pos,
			"auto_corr_ofdm_mrc:\t\t %u\n",
			data->auto_corr_ofdm_mrc);
	pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
			data->auto_corr_ofdm_x1);
	pos += scnprintf(buf + pos, bufsz - pos,
			"auto_corr_ofdm_mrc_x1:\t\t %u\n",
			data->auto_corr_ofdm_mrc_x1);
	pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
			data->auto_corr_cck);
	pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
			data->auto_corr_cck_mrc);
	pos += scnprintf(buf + pos, bufsz - pos,
			"last_bad_plcp_cnt_ofdm:\t\t %u\n",
			data->last_bad_plcp_cnt_ofdm);
	pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
			data->last_fa_cnt_ofdm);
	pos += scnprintf(buf + pos, bufsz - pos,
			"last_bad_plcp_cnt_cck:\t\t %u\n",
			data->last_bad_plcp_cnt_cck);
	pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
			data->last_fa_cnt_cck);
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
			data->nrg_curr_state);
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
			data->nrg_prev_state);
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
	for (cnt = 0; cnt < 10; cnt++) {
		pos += scnprintf(buf + pos, bufsz - pos, " %u",
				data->nrg_value[cnt]);
	}
	pos += scnprintf(buf + pos, bufsz - pos, "\n");
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
	for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
		pos += scnprintf(buf + pos, bufsz - pos, " %u",
				data->nrg_silence_rssi[cnt]);
	}
	pos += scnprintf(buf + pos, bufsz - pos, "\n");
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
			data->nrg_silence_ref);
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
			data->nrg_energy_idx);
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
			data->nrg_silence_idx);
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
			data->nrg_th_cck);
	pos += scnprintf(buf + pos, bufsz - pos,
			"nrg_auto_corr_silence_diff:\t %u\n",
			data->nrg_auto_corr_silence_diff);
	pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
			data->num_in_cck_no_fa);
	pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
			data->nrg_th_ofdm);

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}


static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) {

2140
	struct iwl_priv *priv = file->private_data;
2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193
	int pos = 0;
	int cnt = 0;
	char *buf;
	int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
	ssize_t ret;
	struct iwl_chain_noise_data *data;

	data = &priv->chain_noise_data;
	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
	}

	pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
			data->active_chains);
	pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
			data->chain_noise_a);
	pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
			data->chain_noise_b);
	pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
			data->chain_noise_c);
	pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
			data->chain_signal_a);
	pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
			data->chain_signal_b);
	pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
			data->chain_signal_c);
	pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
			data->beacon_count);

	pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
	for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
		pos += scnprintf(buf + pos, bufsz - pos, " %u",
				data->disconn_array[cnt]);
	}
	pos += scnprintf(buf + pos, bufsz - pos, "\n");
	pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
	for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
		pos += scnprintf(buf + pos, bufsz - pos, " %u",
				data->delta_gain_code[cnt]);
	}
	pos += scnprintf(buf + pos, bufsz - pos, "\n");
	pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
			data->radio_write);
	pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
			data->state);

	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
	kfree(buf);
	return ret;
}

2194 2195 2196 2197
static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
						    char __user *user_buf,
						    size_t count, loff_t *ppos)
{
2198
	struct iwl_priv *priv = file->private_data;
2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216
	char buf[60];
	int pos = 0;
	const size_t bufsz = sizeof(buf);
	u32 pwrsave_status;

	pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
			CSR_GP_REG_POWER_SAVE_STATUS_MSK;

	pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
	pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
		(pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
		(pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
		(pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
		"error");

	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

2217
static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int clear;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &clear) != 1)
		return -EFAULT;

	/* make request to uCode to retrieve statistics information */
	mutex_lock(&priv->mutex);
	iwl_send_statistics_request(priv, CMD_SYNC, true);
	mutex_unlock(&priv->mutex);

	return count;
}

2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256
static ssize_t iwl_dbgfs_csr_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int csr;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &csr) != 1)
		return -EFAULT;

2257
	iwl_dump_csr(priv);
2258 2259 2260 2261

	return count;
}

2262 2263 2264 2265
static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) {

2266
	struct iwl_priv *priv = file->private_data;
2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279
	int pos = 0;
	char buf[128];
	const size_t bufsz = sizeof(buf);

	pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
			priv->event_log.ucode_trace ? "On" : "Off");
	pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
			priv->event_log.non_wraps_count);
	pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
			priv->event_log.wraps_once_count);
	pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
			priv->event_log.wraps_more_count);

2280
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311
}

static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int trace;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &trace) != 1)
		return -EFAULT;

	if (trace) {
		priv->event_log.ucode_trace = true;
		/* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
		mod_timer(&priv->ucode_trace,
			jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
	} else {
		priv->event_log.ucode_trace = false;
		del_timer_sync(&priv->ucode_trace);
	}

	return count;
}

2312 2313 2314 2315
static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos) {

2316
	struct iwl_priv *priv = file->private_data;
2317 2318 2319
	int len = 0;
	char buf[20];

2320 2321
	len = sprintf(buf, "0x%04X\n",
		le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2322 2323 2324 2325 2326 2327 2328
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos) {

2329
	struct iwl_priv *priv = file->private_data;
2330 2331 2332 2333
	int len = 0;
	char buf[20];

	len = sprintf(buf, "0x%04X\n",
2334
		le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2335 2336 2337
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

2338 2339 2340 2341
static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{
2342
	struct iwl_priv *priv = file->private_data;
2343 2344 2345 2346
	char *buf;
	int pos = 0;
	ssize_t ret = -EFAULT;

2347 2348 2349 2350 2351
	ret = pos = iwl_dump_fh(priv, &buf, true);
	if (buf) {
		ret = simple_read_from_buffer(user_buf,
					      count, ppos, buf, pos);
		kfree(buf);
2352 2353 2354 2355 2356
	}

	return ret;
}

2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368
static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) {

	struct iwl_priv *priv = file->private_data;
	int pos = 0;
	char buf[12];
	const size_t bufsz = sizeof(buf);

	pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
			priv->missed_beacon_threshold);

2369
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397
}

static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int missed;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &missed) != 1)
		return -EINVAL;

	if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
	    missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
		priv->missed_beacon_threshold =
			IWL_MISSED_BEACON_THRESHOLD_DEF;
	else
		priv->missed_beacon_threshold = missed;

	return count;
}

2398 2399 2400 2401
static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) {

2402
	struct iwl_priv *priv = file->private_data;
2403 2404 2405 2406 2407
	int pos = 0;
	char buf[12];
	const size_t bufsz = sizeof(buf);

	pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2408
			priv->cfg->base_params->plcp_delta_threshold);
2409

2410
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427
}

static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos) {

	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int plcp;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &plcp) != 1)
		return -EINVAL;
2428
	if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2429
		(plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2430
		priv->cfg->base_params->plcp_delta_threshold =
2431
			IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2432
	else
2433
		priv->cfg->base_params->plcp_delta_threshold = plcp;
2434 2435 2436
	return count;
}

2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466
static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) {

	struct iwl_priv *priv = file->private_data;
	int i, pos = 0;
	char buf[300];
	const size_t bufsz = sizeof(buf);
	struct iwl_force_reset *force_reset;

	for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
		force_reset = &priv->force_reset[i];
		pos += scnprintf(buf + pos, bufsz - pos,
				"Force reset method %d\n", i);
		pos += scnprintf(buf + pos, bufsz - pos,
				"\tnumber of reset request: %d\n",
				force_reset->reset_request_count);
		pos += scnprintf(buf + pos, bufsz - pos,
				"\tnumber of reset request success: %d\n",
				force_reset->reset_success_count);
		pos += scnprintf(buf + pos, bufsz - pos,
				"\tnumber of reset request reject: %d\n",
				force_reset->reset_reject_count);
		pos += scnprintf(buf + pos, bufsz - pos,
				"\treset duration: %lu\n",
				force_reset->reset_duration);
	}
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484
static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos) {

	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int reset, ret;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &reset) != 1)
		return -EINVAL;
	switch (reset) {
	case IWL_RF_RESET:
	case IWL_FW_RESET:
2485
		ret = iwl_force_reset(priv, reset, true);
2486 2487 2488 2489 2490 2491 2492
		break;
	default:
		return -EINVAL;
	}
	return ret ? ret : count;
}

2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511
static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos) {

	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int flush;

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &flush) != 1)
		return -EINVAL;

	if (iwl_is_rfkill(priv))
		return -EFAULT;

2512
	iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2513 2514 2515 2516

	return count;
}

2517
static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2518 2519 2520 2521 2522 2523
					const char __user *user_buf,
					size_t count, loff_t *ppos) {

	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
2524
	int timeout;
2525 2526 2527 2528 2529

	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
2530
	if (sscanf(buf, "%d", &timeout) != 1)
2531
		return -EINVAL;
2532 2533
	if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
		timeout = IWL_DEF_WD_TIMEOUT;
2534

2535 2536
	priv->cfg->base_params->wd_timeout = timeout;
	iwl_setup_watchdog(priv);
2537 2538 2539
	return count;
}

2540 2541 2542 2543 2544 2545 2546 2547 2548
static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) {

	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
	int pos = 0;
	char buf[200];
	const size_t bufsz = sizeof(buf);

2549 2550
	if (!priv->bt_enable_flag) {
		pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2551
		return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2552 2553 2554
	}
	pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
		priv->bt_enable_flag);
2555 2556 2557 2558
	pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
		priv->bt_full_concurrent ? "full concurrency" : "3-wire");
	pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
			 "last traffic notif: %d\n",
2559
		priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2560
	pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2561 2562 2563
			 "kill_ack_mask: %x, kill_cts_mask: %x\n",
		priv->bt_ch_announce, priv->kill_ack_mask,
		priv->kill_cts_mask);
2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581

	pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
	switch (priv->bt_traffic_load) {
	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
		pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
		break;
	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
		pos += scnprintf(buf + pos, bufsz - pos, "High\n");
		break;
	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
		pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
		break;
	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
	default:
		pos += scnprintf(buf + pos, bufsz - pos, "None\n");
		break;
	}

2582
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2583 2584
}

2585 2586 2587 2588 2589 2590 2591 2592 2593 2594
static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{
	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;

	int pos = 0;
	char buf[40];
	const size_t bufsz = sizeof(buf);

2595 2596 2597 2598 2599 2600 2601 2602
	if (priv->cfg->ht_params)
		pos += scnprintf(buf + pos, bufsz - pos,
			 "use %s for aggregation\n",
			 (priv->cfg->ht_params->use_rts_for_aggregation) ?
				"rts/cts" : "cts-to-self");
	else
		pos += scnprintf(buf + pos, bufsz - pos, "N/A");

2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614
	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos) {

	struct iwl_priv *priv = file->private_data;
	char buf[8];
	int buf_size;
	int rts;

2615 2616 2617
	if (!priv->cfg->ht_params)
		return -EINVAL;

2618 2619 2620 2621 2622 2623 2624
	memset(buf, 0, sizeof(buf));
	buf_size = min(count, sizeof(buf) -  1);
	if (copy_from_user(buf, user_buf, buf_size))
		return -EFAULT;
	if (sscanf(buf, "%d", &rts) != 1)
		return -EINVAL;
	if (rts)
2625
		priv->cfg->ht_params->use_rts_for_aggregation = true;
2626
	else
2627
		priv->cfg->ht_params->use_rts_for_aggregation = false;
2628 2629 2630
	return count;
}

2631 2632
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
2633
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2634 2635
DEBUGFS_READ_FILE_OPS(rx_queue);
DEBUGFS_READ_FILE_OPS(tx_queue);
2636 2637 2638
DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2639 2640
DEBUGFS_READ_FILE_OPS(sensitivity);
DEBUGFS_READ_FILE_OPS(chain_noise);
2641
DEBUGFS_READ_FILE_OPS(power_save_status);
2642 2643
DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2644
DEBUGFS_WRITE_FILE_OPS(csr);
2645
DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2646
DEBUGFS_READ_FILE_OPS(fh_reg);
2647
DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2648
DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2649
DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2650 2651
DEBUGFS_READ_FILE_OPS(rxon_flags);
DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2652
DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2653
DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2654
DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2655
DEBUGFS_READ_FILE_OPS(bt_traffic);
2656
DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2657
DEBUGFS_READ_FILE_OPS(reply_tx_error);
2658

T
Tomas Winkler 已提交
2659 2660 2661 2662 2663 2664
/*
 * Create the debugfs files and directories
 *
 */
int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
{
2665
	struct dentry *phyd = priv->hw->wiphy->debugfsdir;
J
Johannes Berg 已提交
2666
	struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
T
Tomas Winkler 已提交
2667

J
Johannes Berg 已提交
2668 2669 2670
	dir_drv = debugfs_create_dir(name, phyd);
	if (!dir_drv)
		return -ENOMEM;
T
Tomas Winkler 已提交
2671

J
Johannes Berg 已提交
2672 2673 2674 2675 2676 2677 2678 2679 2680 2681
	priv->debugfs_dir = dir_drv;

	dir_data = debugfs_create_dir("data", dir_drv);
	if (!dir_data)
		goto err;
	dir_rf = debugfs_create_dir("rf", dir_drv);
	if (!dir_rf)
		goto err;
	dir_debug = debugfs_create_dir("debug", dir_drv);
	if (!dir_debug)
T
Tomas Winkler 已提交
2682 2683
		goto err;

J
Johannes Berg 已提交
2684 2685
	DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
	DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
J
Johannes Berg 已提交
2686
	DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
J
Johannes Berg 已提交
2687 2688 2689 2690 2691 2692
	DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
	DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
	DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
	DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
	DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
	DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2693 2694
	DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
	DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
J
Johannes Berg 已提交
2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708
	DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
	DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
	DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
	DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
	DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
	DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
	DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
	DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2709
	DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2710 2711 2712
	DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2713
	DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2714
	DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2715

2716 2717
	DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
	DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
W
Wey-Yi Guy 已提交
2718
	DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2719
	DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2720
	DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2721 2722
	DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
	DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2723
	DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2724
	if (iwl_advanced_bt_coexist(priv))
2725
		DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2726 2727 2728 2729
	DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
			 &priv->disable_sens_cal);
	DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
			 &priv->disable_chain_noise_cal);
T
Tomas Winkler 已提交
2730 2731 2732
	return 0;

err:
J
Johannes Berg 已提交
2733
	IWL_ERR(priv, "Can't create the debugfs directory\n");
T
Tomas Winkler 已提交
2734
	iwl_dbgfs_unregister(priv);
J
Johannes Berg 已提交
2735
	return -ENOMEM;
T
Tomas Winkler 已提交
2736 2737 2738 2739 2740 2741 2742 2743
}

/**
 * Remove the debugfs files and directories
 *
 */
void iwl_dbgfs_unregister(struct iwl_priv *priv)
{
J
Johannes Berg 已提交
2744
	if (!priv->debugfs_dir)
T
Tomas Winkler 已提交
2745 2746
		return;

J
Johannes Berg 已提交
2747 2748
	debugfs_remove_recursive(priv->debugfs_dir);
	priv->debugfs_dir = NULL;
T
Tomas Winkler 已提交
2749 2750 2751
}


2752