1
2
3#include <linux/types.h>
4#include <linux/proc_fs.h>
5#include <net/ieee80211_crypt.h>
6
7#include "hostap_wlan.h"
8#include "hostap.h"
9
10#define PROC_LIMIT (PAGE_SIZE - 80)
11
12
13#ifndef PRISM2_NO_PROCFS_DEBUG
14static int prism2_debug_proc_read(char *page, char **start, off_t off,
15 int count, int *eof, void *data)
16{
17 char *p = page;
18 local_info_t *local = (local_info_t *) data;
19 int i;
20
21 if (off != 0) {
22 *eof = 1;
23 return 0;
24 }
25
26 p += sprintf(p, "next_txfid=%d next_alloc=%d\n",
27 local->next_txfid, local->next_alloc);
28 for (i = 0; i < PRISM2_TXFID_COUNT; i++)
29 p += sprintf(p, "FID: tx=%04X intransmit=%04X\n",
30 local->txfid[i], local->intransmitfid[i]);
31 p += sprintf(p, "FW TX rate control: %d\n", local->fw_tx_rate_control);
32 p += sprintf(p, "beacon_int=%d\n", local->beacon_int);
33 p += sprintf(p, "dtim_period=%d\n", local->dtim_period);
34 p += sprintf(p, "wds_max_connections=%d\n",
35 local->wds_max_connections);
36 p += sprintf(p, "dev_enabled=%d\n", local->dev_enabled);
37 p += sprintf(p, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
38 for (i = 0; i < WEP_KEYS; i++) {
39 if (local->crypt[i] && local->crypt[i]->ops) {
40 p += sprintf(p, "crypt[%d]=%s\n",
41 i, local->crypt[i]->ops->name);
42 }
43 }
44 p += sprintf(p, "pri_only=%d\n", local->pri_only);
45 p += sprintf(p, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
46 p += sprintf(p, "sram_type=%d\n", local->sram_type);
47 p += sprintf(p, "no_pri=%d\n", local->no_pri);
48
49 return (p - page);
50}
51#endif
52
53
54static int prism2_stats_proc_read(char *page, char **start, off_t off,
55 int count, int *eof, void *data)
56{
57 char *p = page;
58 local_info_t *local = (local_info_t *) data;
59 struct comm_tallies_sums *sums = (struct comm_tallies_sums *)
60 &local->comm_tallies;
61
62 if (off != 0) {
63 *eof = 1;
64 return 0;
65 }
66
67 p += sprintf(p, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
68 p += sprintf(p, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
69 p += sprintf(p, "TxFragments=%u\n", sums->tx_fragments);
70 p += sprintf(p, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
71 p += sprintf(p, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
72 p += sprintf(p, "TxDeferredTransmissions=%u\n",
73 sums->tx_deferred_transmissions);
74 p += sprintf(p, "TxSingleRetryFrames=%u\n",
75 sums->tx_single_retry_frames);
76 p += sprintf(p, "TxMultipleRetryFrames=%u\n",
77 sums->tx_multiple_retry_frames);
78 p += sprintf(p, "TxRetryLimitExceeded=%u\n",
79 sums->tx_retry_limit_exceeded);
80 p += sprintf(p, "TxDiscards=%u\n", sums->tx_discards);
81 p += sprintf(p, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
82 p += sprintf(p, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
83 p += sprintf(p, "RxFragments=%u\n", sums->rx_fragments);
84 p += sprintf(p, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
85 p += sprintf(p, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
86 p += sprintf(p, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
87 p += sprintf(p, "RxDiscardsNoBuffer=%u\n",
88 sums->rx_discards_no_buffer);
89 p += sprintf(p, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
90 p += sprintf(p, "RxDiscardsWEPUndecryptable=%u\n",
91 sums->rx_discards_wep_undecryptable);
92 p += sprintf(p, "RxMessageInMsgFragments=%u\n",
93 sums->rx_message_in_msg_fragments);
94 p += sprintf(p, "RxMessageInBadMsgFragments=%u\n",
95 sums->rx_message_in_bad_msg_fragments);
96
97
98 return (p - page);
99}
100
101
102static int prism2_wds_proc_read(char *page, char **start, off_t off,
103 int count, int *eof, void *data)
104{
105 char *p = page;
106 local_info_t *local = (local_info_t *) data;
107 struct list_head *ptr;
108 struct hostap_interface *iface;
109 DECLARE_MAC_BUF(mac);
110
111 if (off > PROC_LIMIT) {
112 *eof = 1;
113 return 0;
114 }
115
116 read_lock_bh(&local->iface_lock);
117 list_for_each(ptr, &local->hostap_interfaces) {
118 iface = list_entry(ptr, struct hostap_interface, list);
119 if (iface->type != HOSTAP_INTERFACE_WDS)
120 continue;
121 p += sprintf(p, "%s\t%s\n",
122 iface->dev->name,
123 print_mac(mac, iface->u.wds.remote_addr));
124 if ((p - page) > PROC_LIMIT) {
125 printk(KERN_DEBUG "%s: wds proc did not fit\n",
126 local->dev->name);
127 break;
128 }
129 }
130 read_unlock_bh(&local->iface_lock);
131
132 if ((p - page) <= off) {
133 *eof = 1;
134 return 0;
135 }
136
137 *start = page + off;
138
139 return (p - page - off);
140}
141
142
143static int prism2_bss_list_proc_read(char *page, char **start, off_t off,
144 int count, int *eof, void *data)
145{
146 char *p = page;
147 local_info_t *local = (local_info_t *) data;
148 struct list_head *ptr;
149 struct hostap_bss_info *bss;
150 int i;
151 DECLARE_MAC_BUF(mac);
152
153 if (off > PROC_LIMIT) {
154 *eof = 1;
155 return 0;
156 }
157
158 p += sprintf(p, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
159 "SSID(hex)\tWPA IE\n");
160 spin_lock_bh(&local->lock);
161 list_for_each(ptr, &local->bss_list) {
162 bss = list_entry(ptr, struct hostap_bss_info, list);
163 p += sprintf(p, "%s\t%lu\t%u\t0x%x\t",
164 print_mac(mac, bss->bssid), bss->last_update,
165 bss->count, bss->capab_info);
166 for (i = 0; i < bss->ssid_len; i++) {
167 p += sprintf(p, "%c",
168 bss->ssid[i] >= 32 && bss->ssid[i] < 127 ?
169 bss->ssid[i] : '_');
170 }
171 p += sprintf(p, "\t");
172 for (i = 0; i < bss->ssid_len; i++) {
173 p += sprintf(p, "%02x", bss->ssid[i]);
174 }
175 p += sprintf(p, "\t");
176 for (i = 0; i < bss->wpa_ie_len; i++) {
177 p += sprintf(p, "%02x", bss->wpa_ie[i]);
178 }
179 p += sprintf(p, "\n");
180 if ((p - page) > PROC_LIMIT) {
181 printk(KERN_DEBUG "%s: BSS proc did not fit\n",
182 local->dev->name);
183 break;
184 }
185 }
186 spin_unlock_bh(&local->lock);
187
188 if ((p - page) <= off) {
189 *eof = 1;
190 return 0;
191 }
192
193 *start = page + off;
194
195 return (p - page - off);
196}
197
198
199static int prism2_crypt_proc_read(char *page, char **start, off_t off,
200 int count, int *eof, void *data)
201{
202 char *p = page;
203 local_info_t *local = (local_info_t *) data;
204 int i;
205
206 if (off > PROC_LIMIT) {
207 *eof = 1;
208 return 0;
209 }
210
211 p += sprintf(p, "tx_keyidx=%d\n", local->tx_keyidx);
212 for (i = 0; i < WEP_KEYS; i++) {
213 if (local->crypt[i] && local->crypt[i]->ops &&
214 local->crypt[i]->ops->print_stats) {
215 p = local->crypt[i]->ops->print_stats(
216 p, local->crypt[i]->priv);
217 }
218 }
219
220 if ((p - page) <= off) {
221 *eof = 1;
222 return 0;
223 }
224
225 *start = page + off;
226
227 return (p - page - off);
228}
229
230
231static int prism2_pda_proc_read(char *page, char **start, off_t off,
232 int count, int *eof, void *data)
233{
234 local_info_t *local = (local_info_t *) data;
235
236 if (local->pda == NULL || off >= PRISM2_PDA_SIZE) {
237 *eof = 1;
238 return 0;
239 }
240
241 if (off + count > PRISM2_PDA_SIZE)
242 count = PRISM2_PDA_SIZE - off;
243
244 memcpy(page, local->pda + off, count);
245 return count;
246}
247
248
249static int prism2_aux_dump_proc_read(char *page, char **start, off_t off,
250 int count, int *eof, void *data)
251{
252 local_info_t *local = (local_info_t *) data;
253
254 if (local->func->read_aux == NULL) {
255 *eof = 1;
256 return 0;
257 }
258
259 if (local->func->read_aux(local->dev, off, count, page)) {
260 *eof = 1;
261 return 0;
262 }
263 *start = page;
264
265 return count;
266}
267
268
269#ifdef PRISM2_IO_DEBUG
270static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
271 int count, int *eof, void *data)
272{
273 local_info_t *local = (local_info_t *) data;
274 int head = local->io_debug_head;
275 int start_bytes, left, copy, copied;
276
277 if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
278 *eof = 1;
279 if (off >= PRISM2_IO_DEBUG_SIZE * 4)
280 return 0;
281 count = PRISM2_IO_DEBUG_SIZE * 4 - off;
282 }
283
284 copied = 0;
285 start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
286 left = count;
287
288 if (off < start_bytes) {
289 copy = start_bytes - off;
290 if (copy > count)
291 copy = count;
292 memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
293 left -= copy;
294 if (left > 0)
295 memcpy(&page[copy], local->io_debug, left);
296 } else {
297 memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
298 left);
299 }
300
301 *start = page;
302
303 return count;
304}
305#endif
306
307
308#ifndef PRISM2_NO_STATION_MODES
309static int prism2_scan_results_proc_read(char *page, char **start, off_t off,
310 int count, int *eof, void *data)
311{
312 char *p = page;
313 local_info_t *local = (local_info_t *) data;
314 int entry, i, len, total = 0;
315 struct hfa384x_hostscan_result *scanres;
316 u8 *pos;
317 DECLARE_MAC_BUF(mac);
318
319 p += sprintf(p, "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates "
320 "SSID\n");
321
322 spin_lock_bh(&local->lock);
323 for (entry = 0; entry < local->last_scan_results_count; entry++) {
324 scanres = &local->last_scan_results[entry];
325
326 if (total + (p - page) <= off) {
327 total += p - page;
328 p = page;
329 }
330 if (total + (p - page) > off + count)
331 break;
332 if ((p - page) > (PAGE_SIZE - 200))
333 break;
334
335 p += sprintf(p, "%d %d %d %d 0x%02x %d %s %d ",
336 le16_to_cpu(scanres->chid),
337 (s16) le16_to_cpu(scanres->anl),
338 (s16) le16_to_cpu(scanres->sl),
339 le16_to_cpu(scanres->beacon_interval),
340 le16_to_cpu(scanres->capability),
341 le16_to_cpu(scanres->rate),
342 print_mac(mac, scanres->bssid),
343 le16_to_cpu(scanres->atim));
344
345 pos = scanres->sup_rates;
346 for (i = 0; i < sizeof(scanres->sup_rates); i++) {
347 if (pos[i] == 0)
348 break;
349 p += sprintf(p, "<%02x>", pos[i]);
350 }
351 p += sprintf(p, " ");
352
353 pos = scanres->ssid;
354 len = le16_to_cpu(scanres->ssid_len);
355 if (len > 32)
356 len = 32;
357 for (i = 0; i < len; i++) {
358 unsigned char c = pos[i];
359 if (c >= 32 && c < 127)
360 p += sprintf(p, "%c", c);
361 else
362 p += sprintf(p, "<%02x>", c);
363 }
364 p += sprintf(p, "\n");
365 }
366 spin_unlock_bh(&local->lock);
367
368 total += (p - page);
369 if (total >= off + count)
370 *eof = 1;
371
372 if (total < off) {
373 *eof = 1;
374 return 0;
375 }
376
377 len = total - off;
378 if (len > (p - page))
379 len = p - page;
380 *start = p - len;
381 if (len > count)
382 len = count;
383
384 return len;
385}
386#endif
387
388
389void hostap_init_proc(local_info_t *local)
390{
391 local->proc = NULL;
392
393 if (hostap_proc == NULL) {
394 printk(KERN_WARNING "%s: hostap proc directory not created\n",
395 local->dev->name);
396 return;
397 }
398
399 local->proc = proc_mkdir(local->ddev->name, hostap_proc);
400 if (local->proc == NULL) {
401 printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
402 local->ddev->name);
403 return;
404 }
405
406#ifndef PRISM2_NO_PROCFS_DEBUG
407 create_proc_read_entry("debug", 0, local->proc,
408 prism2_debug_proc_read, local);
409#endif
410 create_proc_read_entry("stats", 0, local->proc,
411 prism2_stats_proc_read, local);
412 create_proc_read_entry("wds", 0, local->proc,
413 prism2_wds_proc_read, local);
414 create_proc_read_entry("pda", 0, local->proc,
415 prism2_pda_proc_read, local);
416 create_proc_read_entry("aux_dump", 0, local->proc,
417 prism2_aux_dump_proc_read, local);
418 create_proc_read_entry("bss_list", 0, local->proc,
419 prism2_bss_list_proc_read, local);
420 create_proc_read_entry("crypt", 0, local->proc,
421 prism2_crypt_proc_read, local);
422#ifdef PRISM2_IO_DEBUG
423 create_proc_read_entry("io_debug", 0, local->proc,
424 prism2_io_debug_proc_read, local);
425#endif
426#ifndef PRISM2_NO_STATION_MODES
427 create_proc_read_entry("scan_results", 0, local->proc,
428 prism2_scan_results_proc_read, local);
429#endif
430}
431
432
433void hostap_remove_proc(local_info_t *local)
434{
435 if (local->proc != NULL) {
436#ifndef PRISM2_NO_STATION_MODES
437 remove_proc_entry("scan_results", local->proc);
438#endif
439#ifdef PRISM2_IO_DEBUG
440 remove_proc_entry("io_debug", local->proc);
441#endif
442 remove_proc_entry("pda", local->proc);
443 remove_proc_entry("aux_dump", local->proc);
444 remove_proc_entry("wds", local->proc);
445 remove_proc_entry("stats", local->proc);
446 remove_proc_entry("bss_list", local->proc);
447 remove_proc_entry("crypt", local->proc);
448#ifndef PRISM2_NO_PROCFS_DEBUG
449 remove_proc_entry("debug", local->proc);
450#endif
451 if (hostap_proc != NULL)
452 remove_proc_entry(local->proc->name, hostap_proc);
453 }
454}
455
456
457EXPORT_SYMBOL(hostap_init_proc);
458EXPORT_SYMBOL(hostap_remove_proc);
459
