Bootlin logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
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
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
/* /proc routines for Host AP driver */

#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/export.h>
#include <net/lib80211.h>

#include "hostap_wlan.h"
#include "hostap.h"

#define PROC_LIMIT (PAGE_SIZE - 80)


#ifndef PRISM2_NO_PROCFS_DEBUG
static int prism2_debug_proc_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	int i;

	seq_printf(m, "next_txfid=%d next_alloc=%d\n",
		   local->next_txfid, local->next_alloc);
	for (i = 0; i < PRISM2_TXFID_COUNT; i++)
		seq_printf(m, "FID: tx=%04X intransmit=%04X\n",
			   local->txfid[i], local->intransmitfid[i]);
	seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control);
	seq_printf(m, "beacon_int=%d\n", local->beacon_int);
	seq_printf(m, "dtim_period=%d\n", local->dtim_period);
	seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections);
	seq_printf(m, "dev_enabled=%d\n", local->dev_enabled);
	seq_printf(m, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
	for (i = 0; i < WEP_KEYS; i++) {
		if (local->crypt_info.crypt[i] &&
		    local->crypt_info.crypt[i]->ops) {
			seq_printf(m, "crypt[%d]=%s\n", i,
				   local->crypt_info.crypt[i]->ops->name);
		}
	}
	seq_printf(m, "pri_only=%d\n", local->pri_only);
	seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
	seq_printf(m, "sram_type=%d\n", local->sram_type);
	seq_printf(m, "no_pri=%d\n", local->no_pri);

	return 0;
}

static int prism2_debug_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, prism2_debug_proc_show, PDE_DATA(inode));
}

static const struct file_operations prism2_debug_proc_fops = {
	.open		= prism2_debug_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};
#endif /* PRISM2_NO_PROCFS_DEBUG */


static int prism2_stats_proc_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	struct comm_tallies_sums *sums = &local->comm_tallies;

	seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
	seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
	seq_printf(m, "TxFragments=%u\n", sums->tx_fragments);
	seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
	seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
	seq_printf(m, "TxDeferredTransmissions=%u\n",
		   sums->tx_deferred_transmissions);
	seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames);
	seq_printf(m, "TxMultipleRetryFrames=%u\n",
		   sums->tx_multiple_retry_frames);
	seq_printf(m, "TxRetryLimitExceeded=%u\n",
		   sums->tx_retry_limit_exceeded);
	seq_printf(m, "TxDiscards=%u\n", sums->tx_discards);
	seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
	seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
	seq_printf(m, "RxFragments=%u\n", sums->rx_fragments);
	seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
	seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
	seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
	seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer);
	seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
	seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n",
		   sums->rx_discards_wep_undecryptable);
	seq_printf(m, "RxMessageInMsgFragments=%u\n",
		   sums->rx_message_in_msg_fragments);
	seq_printf(m, "RxMessageInBadMsgFragments=%u\n",
		   sums->rx_message_in_bad_msg_fragments);
	/* FIX: this may grow too long for one page(?) */

	return 0;
}

static int prism2_stats_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, prism2_stats_proc_show, PDE_DATA(inode));
}

static const struct file_operations prism2_stats_proc_fops = {
	.open		= prism2_stats_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};


static int prism2_wds_proc_show(struct seq_file *m, void *v)
{
	struct list_head *ptr = v;
	struct hostap_interface *iface;

	iface = list_entry(ptr, struct hostap_interface, list);
	if (iface->type == HOSTAP_INTERFACE_WDS)
		seq_printf(m, "%s\t%pM\n",
			   iface->dev->name, iface->u.wds.remote_addr);
	return 0;
}

static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos)
{
	local_info_t *local = m->private;
	read_lock_bh(&local->iface_lock);
	return seq_list_start(&local->hostap_interfaces, *_pos);
}

static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos)
{
	local_info_t *local = m->private;
	return seq_list_next(v, &local->hostap_interfaces, _pos);
}

static void prism2_wds_proc_stop(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	read_unlock_bh(&local->iface_lock);
}

static const struct seq_operations prism2_wds_proc_seqops = {
	.start	= prism2_wds_proc_start,
	.next	= prism2_wds_proc_next,
	.stop	= prism2_wds_proc_stop,
	.show	= prism2_wds_proc_show,
};

static int prism2_wds_proc_open(struct inode *inode, struct file *file)
{
	int ret = seq_open(file, &prism2_wds_proc_seqops);
	if (ret == 0) {
		struct seq_file *m = file->private_data;
		m->private = PDE_DATA(inode);
	}
	return ret;
}

static const struct file_operations prism2_wds_proc_fops = {
	.open		= prism2_wds_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


static int prism2_bss_list_proc_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	struct list_head *ptr = v;
	struct hostap_bss_info *bss;

	if (ptr == &local->bss_list) {
		seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
			   "SSID(hex)\tWPA IE\n");
		return 0;
	}

	bss = list_entry(ptr, struct hostap_bss_info, list);
	seq_printf(m, "%pM\t%lu\t%u\t0x%x\t",
		   bss->bssid, bss->last_update,
		   bss->count, bss->capab_info);

	seq_printf(m, "%*pE", (int)bss->ssid_len, bss->ssid);

	seq_putc(m, '\t');
	seq_printf(m, "%*phN", (int)bss->ssid_len, bss->ssid);
	seq_putc(m, '\t');
	seq_printf(m, "%*phN", (int)bss->wpa_ie_len, bss->wpa_ie);
	seq_putc(m, '\n');
	return 0;
}

static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos)
{
	local_info_t *local = m->private;
	spin_lock_bh(&local->lock);
	return seq_list_start_head(&local->bss_list, *_pos);
}

static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos)
{
	local_info_t *local = m->private;
	return seq_list_next(v, &local->bss_list, _pos);
}

static void prism2_bss_list_proc_stop(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	spin_unlock_bh(&local->lock);
}

static const struct seq_operations prism2_bss_list_proc_seqops = {
	.start	= prism2_bss_list_proc_start,
	.next	= prism2_bss_list_proc_next,
	.stop	= prism2_bss_list_proc_stop,
	.show	= prism2_bss_list_proc_show,
};

static int prism2_bss_list_proc_open(struct inode *inode, struct file *file)
{
	int ret = seq_open(file, &prism2_bss_list_proc_seqops);
	if (ret == 0) {
		struct seq_file *m = file->private_data;
		m->private = PDE_DATA(inode);
	}
	return ret;
}

static const struct file_operations prism2_bss_list_proc_fops = {
	.open		= prism2_bss_list_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


static int prism2_crypt_proc_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	int i;

	seq_printf(m, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx);
	for (i = 0; i < WEP_KEYS; i++) {
		if (local->crypt_info.crypt[i] &&
		    local->crypt_info.crypt[i]->ops &&
		    local->crypt_info.crypt[i]->ops->print_stats) {
			local->crypt_info.crypt[i]->ops->print_stats(
				m, local->crypt_info.crypt[i]->priv);
		}
	}
	return 0;
}

static int prism2_crypt_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode));
}

static const struct file_operations prism2_crypt_proc_fops = {
	.open		= prism2_crypt_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};


static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf,
				    size_t count, loff_t *_pos)
{
	local_info_t *local = PDE_DATA(file_inode(file));
	size_t off;

	if (local->pda == NULL || *_pos >= PRISM2_PDA_SIZE)
		return 0;

	off = *_pos;
	if (count > PRISM2_PDA_SIZE - off)
		count = PRISM2_PDA_SIZE - off;
	if (copy_to_user(buf, local->pda + off, count) != 0)
		return -EFAULT;
	*_pos += count;
	return count;
}

static const struct file_operations prism2_pda_proc_fops = {
	.read		= prism2_pda_proc_read,
	.llseek		= generic_file_llseek,
};


static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf,
					    size_t bufsize, loff_t *_pos)
{
	return 0;
}

static const struct file_operations prism2_aux_dump_proc_fops = {
	.read		= prism2_aux_dump_proc_no_read,
};


#ifdef PRISM2_IO_DEBUG
static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
				     int count, int *eof, void *data)
{
	local_info_t *local = (local_info_t *) data;
	int head = local->io_debug_head;
	int start_bytes, left, copy, copied;

	if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
		*eof = 1;
		if (off >= PRISM2_IO_DEBUG_SIZE * 4)
			return 0;
		count = PRISM2_IO_DEBUG_SIZE * 4 - off;
	}

	copied = 0;
	start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
	left = count;

	if (off < start_bytes) {
		copy = start_bytes - off;
		if (copy > count)
			copy = count;
		memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
		left -= copy;
		if (left > 0)
			memcpy(&page[copy], local->io_debug, left);
	} else {
		memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
		       left);
	}

	*start = page;

	return count;
}
#endif /* PRISM2_IO_DEBUG */


#ifndef PRISM2_NO_STATION_MODES
static int prism2_scan_results_proc_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	unsigned long entry;
	int i, len;
	struct hfa384x_hostscan_result *scanres;
	u8 *p;

	if (v == SEQ_START_TOKEN) {
		seq_printf(m,
			   "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n");
		return 0;
	}

	entry = (unsigned long)v - 2;
	scanres = &local->last_scan_results[entry];

	seq_printf(m, "%d %d %d %d 0x%02x %d %pM %d ",
		   le16_to_cpu(scanres->chid),
		   (s16) le16_to_cpu(scanres->anl),
		   (s16) le16_to_cpu(scanres->sl),
		   le16_to_cpu(scanres->beacon_interval),
		   le16_to_cpu(scanres->capability),
		   le16_to_cpu(scanres->rate),
		   scanres->bssid,
		   le16_to_cpu(scanres->atim));

	p = scanres->sup_rates;
	for (i = 0; i < sizeof(scanres->sup_rates); i++) {
		if (p[i] == 0)
			break;
		seq_printf(m, "<%02x>", p[i]);
	}
	seq_putc(m, ' ');

	p = scanres->ssid;
	len = le16_to_cpu(scanres->ssid_len);
	if (len > 32)
		len = 32;
	for (i = 0; i < len; i++) {
		unsigned char c = p[i];
		if (c >= 32 && c < 127)
			seq_putc(m, c);
		else
			seq_printf(m, "<%02x>", c);
	}
	seq_putc(m, '\n');
	return 0;
}

static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos)
{
	local_info_t *local = m->private;
	spin_lock_bh(&local->lock);

	/* We have a header (pos 0) + N results to show (pos 1...N) */
	if (*_pos > local->last_scan_results_count)
		return NULL;
	return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
}

static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos)
{
	local_info_t *local = m->private;

	++*_pos;
	if (*_pos > local->last_scan_results_count)
		return NULL;
	return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
}

static void prism2_scan_results_proc_stop(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	spin_unlock_bh(&local->lock);
}

static const struct seq_operations prism2_scan_results_proc_seqops = {
	.start	= prism2_scan_results_proc_start,
	.next	= prism2_scan_results_proc_next,
	.stop	= prism2_scan_results_proc_stop,
	.show	= prism2_scan_results_proc_show,
};

static int prism2_scan_results_proc_open(struct inode *inode, struct file *file)
{
	int ret = seq_open(file, &prism2_scan_results_proc_seqops);
	if (ret == 0) {
		struct seq_file *m = file->private_data;
		m->private = PDE_DATA(inode);
	}
	return ret;
}

static const struct file_operations prism2_scan_results_proc_fops = {
	.open		= prism2_scan_results_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


#endif /* PRISM2_NO_STATION_MODES */


void hostap_init_proc(local_info_t *local)
{
	local->proc = NULL;

	if (hostap_proc == NULL) {
		printk(KERN_WARNING "%s: hostap proc directory not created\n",
		       local->dev->name);
		return;
	}

	local->proc = proc_mkdir(local->ddev->name, hostap_proc);
	if (local->proc == NULL) {
		printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
		       local->ddev->name);
		return;
	}

#ifndef PRISM2_NO_PROCFS_DEBUG
	proc_create_data("debug", 0, local->proc,
			 &prism2_debug_proc_fops, local);
#endif /* PRISM2_NO_PROCFS_DEBUG */
	proc_create_data("stats", 0, local->proc,
			 &prism2_stats_proc_fops, local);
	proc_create_data("wds", 0, local->proc,
			 &prism2_wds_proc_fops, local);
	proc_create_data("pda", 0, local->proc,
			 &prism2_pda_proc_fops, local);
	proc_create_data("aux_dump", 0, local->proc,
			 local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops,
			 local);
	proc_create_data("bss_list", 0, local->proc,
			 &prism2_bss_list_proc_fops, local);
	proc_create_data("crypt", 0, local->proc,
			 &prism2_crypt_proc_fops, local);
#ifdef PRISM2_IO_DEBUG
	proc_create_data("io_debug", 0, local->proc,
			 &prism2_io_debug_proc_fops, local);
#endif /* PRISM2_IO_DEBUG */
#ifndef PRISM2_NO_STATION_MODES
	proc_create_data("scan_results", 0, local->proc,
			 &prism2_scan_results_proc_fops, local);
#endif /* PRISM2_NO_STATION_MODES */
}


void hostap_remove_proc(local_info_t *local)
{
	proc_remove(local->proc);
}


EXPORT_SYMBOL(hostap_init_proc);
EXPORT_SYMBOL(hostap_remove_proc);