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1/* /proc routines for Host AP driver */
2
3#include <linux/types.h>
4#include <linux/proc_fs.h>
5#include <linux/export.h>
6#include <net/lib80211.h>
7
8#include "hostap_wlan.h"
9#include "hostap.h"
10
11#define PROC_LIMIT (PAGE_SIZE - 80)
12
13
14#ifndef PRISM2_NO_PROCFS_DEBUG
15static int prism2_debug_proc_show(struct seq_file *m, void *v)
16{
17 local_info_t *local = m->private;
18 int i;
19
20 seq_printf(m, "next_txfid=%d next_alloc=%d\n",
21 local->next_txfid, local->next_alloc);
22 for (i = 0; i < PRISM2_TXFID_COUNT; i++)
23 seq_printf(m, "FID: tx=%04X intransmit=%04X\n",
24 local->txfid[i], local->intransmitfid[i]);
25 seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control);
26 seq_printf(m, "beacon_int=%d\n", local->beacon_int);
27 seq_printf(m, "dtim_period=%d\n", local->dtim_period);
28 seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections);
29 seq_printf(m, "dev_enabled=%d\n", local->dev_enabled);
30 seq_printf(m, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
31 for (i = 0; i < WEP_KEYS; i++) {
32 if (local->crypt_info.crypt[i] &&
33 local->crypt_info.crypt[i]->ops) {
34 seq_printf(m, "crypt[%d]=%s\n", i,
35 local->crypt_info.crypt[i]->ops->name);
36 }
37 }
38 seq_printf(m, "pri_only=%d\n", local->pri_only);
39 seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
40 seq_printf(m, "sram_type=%d\n", local->sram_type);
41 seq_printf(m, "no_pri=%d\n", local->no_pri);
42
43 return 0;
44}
45
46static int prism2_debug_proc_open(struct inode *inode, struct file *file)
47{
48 return single_open(file, prism2_debug_proc_show, PDE_DATA(inode));
49}
50
51static const struct file_operations prism2_debug_proc_fops = {
52 .open = prism2_debug_proc_open,
53 .read = seq_read,
54 .llseek = seq_lseek,
55 .release = single_release,
56};
57#endif /* PRISM2_NO_PROCFS_DEBUG */
58
59
60static int prism2_stats_proc_show(struct seq_file *m, void *v)
61{
62 local_info_t *local = m->private;
63 struct comm_tallies_sums *sums = &local->comm_tallies;
64
65 seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
66 seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
67 seq_printf(m, "TxFragments=%u\n", sums->tx_fragments);
68 seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
69 seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
70 seq_printf(m, "TxDeferredTransmissions=%u\n",
71 sums->tx_deferred_transmissions);
72 seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames);
73 seq_printf(m, "TxMultipleRetryFrames=%u\n",
74 sums->tx_multiple_retry_frames);
75 seq_printf(m, "TxRetryLimitExceeded=%u\n",
76 sums->tx_retry_limit_exceeded);
77 seq_printf(m, "TxDiscards=%u\n", sums->tx_discards);
78 seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
79 seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
80 seq_printf(m, "RxFragments=%u\n", sums->rx_fragments);
81 seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
82 seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
83 seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
84 seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer);
85 seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
86 seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n",
87 sums->rx_discards_wep_undecryptable);
88 seq_printf(m, "RxMessageInMsgFragments=%u\n",
89 sums->rx_message_in_msg_fragments);
90 seq_printf(m, "RxMessageInBadMsgFragments=%u\n",
91 sums->rx_message_in_bad_msg_fragments);
92 /* FIX: this may grow too long for one page(?) */
93
94 return 0;
95}
96
97static int prism2_stats_proc_open(struct inode *inode, struct file *file)
98{
99 return single_open(file, prism2_stats_proc_show, PDE_DATA(inode));
100}
101
102static const struct file_operations prism2_stats_proc_fops = {
103 .open = prism2_stats_proc_open,
104 .read = seq_read,
105 .llseek = seq_lseek,
106 .release = single_release,
107};
108
109
110static int prism2_wds_proc_show(struct seq_file *m, void *v)
111{
112 struct list_head *ptr = v;
113 struct hostap_interface *iface;
114
115 iface = list_entry(ptr, struct hostap_interface, list);
116 if (iface->type == HOSTAP_INTERFACE_WDS)
117 seq_printf(m, "%s\t%pM\n",
118 iface->dev->name, iface->u.wds.remote_addr);
119 return 0;
120}
121
122static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos)
123{
124 local_info_t *local = m->private;
125 read_lock_bh(&local->iface_lock);
126 return seq_list_start(&local->hostap_interfaces, *_pos);
127}
128
129static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos)
130{
131 local_info_t *local = m->private;
132 return seq_list_next(v, &local->hostap_interfaces, _pos);
133}
134
135static void prism2_wds_proc_stop(struct seq_file *m, void *v)
136{
137 local_info_t *local = m->private;
138 read_unlock_bh(&local->iface_lock);
139}
140
141static const struct seq_operations prism2_wds_proc_seqops = {
142 .start = prism2_wds_proc_start,
143 .next = prism2_wds_proc_next,
144 .stop = prism2_wds_proc_stop,
145 .show = prism2_wds_proc_show,
146};
147
148static int prism2_wds_proc_open(struct inode *inode, struct file *file)
149{
150 int ret = seq_open(file, &prism2_wds_proc_seqops);
151 if (ret == 0) {
152 struct seq_file *m = file->private_data;
153 m->private = PDE_DATA(inode);
154 }
155 return ret;
156}
157
158static const struct file_operations prism2_wds_proc_fops = {
159 .open = prism2_wds_proc_open,
160 .read = seq_read,
161 .llseek = seq_lseek,
162 .release = seq_release,
163};
164
165
166static int prism2_bss_list_proc_show(struct seq_file *m, void *v)
167{
168 local_info_t *local = m->private;
169 struct list_head *ptr = v;
170 struct hostap_bss_info *bss;
171 int i;
172
173 if (ptr == &local->bss_list) {
174 seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
175 "SSID(hex)\tWPA IE\n");
176 return 0;
177 }
178
179 bss = list_entry(ptr, struct hostap_bss_info, list);
180 seq_printf(m, "%pM\t%lu\t%u\t0x%x\t",
181 bss->bssid, bss->last_update,
182 bss->count, bss->capab_info);
183
184 for (i = 0; i < bss->ssid_len; i++)
185 seq_putc(m,bss->ssid[i] >= 32 && bss->ssid[i] < 127 ?
186 bss->ssid[i] : '_');
187
188 seq_putc(m, '\t');
189 for (i = 0; i < bss->ssid_len; i++)
190 seq_printf(m, "%02x", bss->ssid[i]);
191 seq_putc(m, '\t');
192 for (i = 0; i < bss->wpa_ie_len; i++)
193 seq_printf(m, "%02x", bss->wpa_ie[i]);
194 seq_putc(m, '\n');
195 return 0;
196}
197
198static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos)
199{
200 local_info_t *local = m->private;
201 spin_lock_bh(&local->lock);
202 return seq_list_start_head(&local->bss_list, *_pos);
203}
204
205static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos)
206{
207 local_info_t *local = m->private;
208 return seq_list_next(v, &local->bss_list, _pos);
209}
210
211static void prism2_bss_list_proc_stop(struct seq_file *m, void *v)
212{
213 local_info_t *local = m->private;
214 spin_unlock_bh(&local->lock);
215}
216
217static const struct seq_operations prism2_bss_list_proc_seqops = {
218 .start = prism2_bss_list_proc_start,
219 .next = prism2_bss_list_proc_next,
220 .stop = prism2_bss_list_proc_stop,
221 .show = prism2_bss_list_proc_show,
222};
223
224static int prism2_bss_list_proc_open(struct inode *inode, struct file *file)
225{
226 int ret = seq_open(file, &prism2_bss_list_proc_seqops);
227 if (ret == 0) {
228 struct seq_file *m = file->private_data;
229 m->private = PDE_DATA(inode);
230 }
231 return ret;
232}
233
234static const struct file_operations prism2_bss_list_proc_fops = {
235 .open = prism2_bss_list_proc_open,
236 .read = seq_read,
237 .llseek = seq_lseek,
238 .release = seq_release,
239};
240
241
242static int prism2_crypt_proc_show(struct seq_file *m, void *v)
243{
244 local_info_t *local = m->private;
245 int i;
246
247 seq_printf(m, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx);
248 for (i = 0; i < WEP_KEYS; i++) {
249 if (local->crypt_info.crypt[i] &&
250 local->crypt_info.crypt[i]->ops &&
251 local->crypt_info.crypt[i]->ops->print_stats) {
252 local->crypt_info.crypt[i]->ops->print_stats(
253 m, local->crypt_info.crypt[i]->priv);
254 }
255 }
256 return 0;
257}
258
259static int prism2_crypt_proc_open(struct inode *inode, struct file *file)
260{
261 return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode));
262}
263
264static const struct file_operations prism2_crypt_proc_fops = {
265 .open = prism2_crypt_proc_open,
266 .read = seq_read,
267 .llseek = seq_lseek,
268 .release = single_release,
269};
270
271
272static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf,
273 size_t count, loff_t *_pos)
274{
275 local_info_t *local = PDE_DATA(file_inode(file));
276 size_t off;
277
278 if (local->pda == NULL || *_pos >= PRISM2_PDA_SIZE)
279 return 0;
280
281 off = *_pos;
282 if (count > PRISM2_PDA_SIZE - off)
283 count = PRISM2_PDA_SIZE - off;
284 if (copy_to_user(buf, local->pda + off, count) != 0)
285 return -EFAULT;
286 *_pos += count;
287 return count;
288}
289
290static const struct file_operations prism2_pda_proc_fops = {
291 .read = prism2_pda_proc_read,
292 .llseek = generic_file_llseek,
293};
294
295
296static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf,
297 size_t bufsize, loff_t *_pos)
298{
299 return 0;
300}
301
302static const struct file_operations prism2_aux_dump_proc_fops = {
303 .read = prism2_aux_dump_proc_no_read,
304};
305
306
307#ifdef PRISM2_IO_DEBUG
308static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
309 int count, int *eof, void *data)
310{
311 local_info_t *local = (local_info_t *) data;
312 int head = local->io_debug_head;
313 int start_bytes, left, copy, copied;
314
315 if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
316 *eof = 1;
317 if (off >= PRISM2_IO_DEBUG_SIZE * 4)
318 return 0;
319 count = PRISM2_IO_DEBUG_SIZE * 4 - off;
320 }
321
322 copied = 0;
323 start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
324 left = count;
325
326 if (off < start_bytes) {
327 copy = start_bytes - off;
328 if (copy > count)
329 copy = count;
330 memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
331 left -= copy;
332 if (left > 0)
333 memcpy(&page[copy], local->io_debug, left);
334 } else {
335 memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
336 left);
337 }
338
339 *start = page;
340
341 return count;
342}
343#endif /* PRISM2_IO_DEBUG */
344
345
346#ifndef PRISM2_NO_STATION_MODES
347static int prism2_scan_results_proc_show(struct seq_file *m, void *v)
348{
349 local_info_t *local = m->private;
350 unsigned long entry;
351 int i, len;
352 struct hfa384x_hostscan_result *scanres;
353 u8 *p;
354
355 if (v == SEQ_START_TOKEN) {
356 seq_printf(m,
357 "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n");
358 return 0;
359 }
360
361 entry = (unsigned long)v - 2;
362 scanres = &local->last_scan_results[entry];
363
364 seq_printf(m, "%d %d %d %d 0x%02x %d %pM %d ",
365 le16_to_cpu(scanres->chid),
366 (s16) le16_to_cpu(scanres->anl),
367 (s16) le16_to_cpu(scanres->sl),
368 le16_to_cpu(scanres->beacon_interval),
369 le16_to_cpu(scanres->capability),
370 le16_to_cpu(scanres->rate),
371 scanres->bssid,
372 le16_to_cpu(scanres->atim));
373
374 p = scanres->sup_rates;
375 for (i = 0; i < sizeof(scanres->sup_rates); i++) {
376 if (p[i] == 0)
377 break;
378 seq_printf(m, "<%02x>", p[i]);
379 }
380 seq_putc(m, ' ');
381
382 p = scanres->ssid;
383 len = le16_to_cpu(scanres->ssid_len);
384 if (len > 32)
385 len = 32;
386 for (i = 0; i < len; i++) {
387 unsigned char c = p[i];
388 if (c >= 32 && c < 127)
389 seq_putc(m, c);
390 else
391 seq_printf(m, "<%02x>", c);
392 }
393 seq_putc(m, '\n');
394 return 0;
395}
396
397static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos)
398{
399 local_info_t *local = m->private;
400 spin_lock_bh(&local->lock);
401
402 /* We have a header (pos 0) + N results to show (pos 1...N) */
403 if (*_pos > local->last_scan_results_count)
404 return NULL;
405 return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
406}
407
408static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos)
409{
410 local_info_t *local = m->private;
411
412 ++*_pos;
413 if (*_pos > local->last_scan_results_count)
414 return NULL;
415 return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
416}
417
418static void prism2_scan_results_proc_stop(struct seq_file *m, void *v)
419{
420 local_info_t *local = m->private;
421 spin_unlock_bh(&local->lock);
422}
423
424static const struct seq_operations prism2_scan_results_proc_seqops = {
425 .start = prism2_scan_results_proc_start,
426 .next = prism2_scan_results_proc_next,
427 .stop = prism2_scan_results_proc_stop,
428 .show = prism2_scan_results_proc_show,
429};
430
431static int prism2_scan_results_proc_open(struct inode *inode, struct file *file)
432{
433 int ret = seq_open(file, &prism2_scan_results_proc_seqops);
434 if (ret == 0) {
435 struct seq_file *m = file->private_data;
436 m->private = PDE_DATA(inode);
437 }
438 return ret;
439}
440
441static const struct file_operations prism2_scan_results_proc_fops = {
442 .open = prism2_scan_results_proc_open,
443 .read = seq_read,
444 .llseek = seq_lseek,
445 .release = seq_release,
446};
447
448
449#endif /* PRISM2_NO_STATION_MODES */
450
451
452void hostap_init_proc(local_info_t *local)
453{
454 local->proc = NULL;
455
456 if (hostap_proc == NULL) {
457 printk(KERN_WARNING "%s: hostap proc directory not created\n",
458 local->dev->name);
459 return;
460 }
461
462 local->proc = proc_mkdir(local->ddev->name, hostap_proc);
463 if (local->proc == NULL) {
464 printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
465 local->ddev->name);
466 return;
467 }
468
469#ifndef PRISM2_NO_PROCFS_DEBUG
470 proc_create_data("debug", 0, local->proc,
471 &prism2_debug_proc_fops, local);
472#endif /* PRISM2_NO_PROCFS_DEBUG */
473 proc_create_data("stats", 0, local->proc,
474 &prism2_stats_proc_fops, local);
475 proc_create_data("wds", 0, local->proc,
476 &prism2_wds_proc_fops, local);
477 proc_create_data("pda", 0, local->proc,
478 &prism2_pda_proc_fops, local);
479 proc_create_data("aux_dump", 0, local->proc,
480 local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops,
481 local);
482 proc_create_data("bss_list", 0, local->proc,
483 &prism2_bss_list_proc_fops, local);
484 proc_create_data("crypt", 0, local->proc,
485 &prism2_crypt_proc_fops, local);
486#ifdef PRISM2_IO_DEBUG
487 proc_create_data("io_debug", 0, local->proc,
488 &prism2_io_debug_proc_fops, local);
489#endif /* PRISM2_IO_DEBUG */
490#ifndef PRISM2_NO_STATION_MODES
491 proc_create_data("scan_results", 0, local->proc,
492 &prism2_scan_results_proc_fops, local);
493#endif /* PRISM2_NO_STATION_MODES */
494}
495
496
497void hostap_remove_proc(local_info_t *local)
498{
499 proc_remove(local->proc);
500}
501
502
503EXPORT_SYMBOL(hostap_init_proc);
504EXPORT_SYMBOL(hostap_remove_proc);