1 /* /proc routines for Host AP driver */
2
3 #include <linux/types.h>
4 #include <linux/proc_fs.h>
5 #include <net/lib80211.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
prism2_debug_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)14 static 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_info.crypt[i] &&
40 local->crypt_info.crypt[i]->ops) {
41 p += sprintf(p, "crypt[%d]=%s\n", i,
42 local->crypt_info.crypt[i]->ops->name);
43 }
44 }
45 p += sprintf(p, "pri_only=%d\n", local->pri_only);
46 p += sprintf(p, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
47 p += sprintf(p, "sram_type=%d\n", local->sram_type);
48 p += sprintf(p, "no_pri=%d\n", local->no_pri);
49
50 return (p - page);
51 }
52 #endif /* PRISM2_NO_PROCFS_DEBUG */
53
54
prism2_stats_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)55 static int prism2_stats_proc_read(char *page, char **start, off_t off,
56 int count, int *eof, void *data)
57 {
58 char *p = page;
59 local_info_t *local = (local_info_t *) data;
60 struct comm_tallies_sums *sums = (struct comm_tallies_sums *)
61 &local->comm_tallies;
62
63 if (off != 0) {
64 *eof = 1;
65 return 0;
66 }
67
68 p += sprintf(p, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
69 p += sprintf(p, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
70 p += sprintf(p, "TxFragments=%u\n", sums->tx_fragments);
71 p += sprintf(p, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
72 p += sprintf(p, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
73 p += sprintf(p, "TxDeferredTransmissions=%u\n",
74 sums->tx_deferred_transmissions);
75 p += sprintf(p, "TxSingleRetryFrames=%u\n",
76 sums->tx_single_retry_frames);
77 p += sprintf(p, "TxMultipleRetryFrames=%u\n",
78 sums->tx_multiple_retry_frames);
79 p += sprintf(p, "TxRetryLimitExceeded=%u\n",
80 sums->tx_retry_limit_exceeded);
81 p += sprintf(p, "TxDiscards=%u\n", sums->tx_discards);
82 p += sprintf(p, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
83 p += sprintf(p, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
84 p += sprintf(p, "RxFragments=%u\n", sums->rx_fragments);
85 p += sprintf(p, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
86 p += sprintf(p, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
87 p += sprintf(p, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
88 p += sprintf(p, "RxDiscardsNoBuffer=%u\n",
89 sums->rx_discards_no_buffer);
90 p += sprintf(p, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
91 p += sprintf(p, "RxDiscardsWEPUndecryptable=%u\n",
92 sums->rx_discards_wep_undecryptable);
93 p += sprintf(p, "RxMessageInMsgFragments=%u\n",
94 sums->rx_message_in_msg_fragments);
95 p += sprintf(p, "RxMessageInBadMsgFragments=%u\n",
96 sums->rx_message_in_bad_msg_fragments);
97 /* FIX: this may grow too long for one page(?) */
98
99 return (p - page);
100 }
101
102
prism2_wds_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)103 static int prism2_wds_proc_read(char *page, char **start, off_t off,
104 int count, int *eof, void *data)
105 {
106 char *p = page;
107 local_info_t *local = (local_info_t *) data;
108 struct list_head *ptr;
109 struct hostap_interface *iface;
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%pM\n",
122 iface->dev->name,
123 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
prism2_bss_list_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)143 static 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
152 if (off > PROC_LIMIT) {
153 *eof = 1;
154 return 0;
155 }
156
157 p += sprintf(p, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
158 "SSID(hex)\tWPA IE\n");
159 spin_lock_bh(&local->lock);
160 list_for_each(ptr, &local->bss_list) {
161 bss = list_entry(ptr, struct hostap_bss_info, list);
162 p += sprintf(p, "%pM\t%lu\t%u\t0x%x\t",
163 bss->bssid, bss->last_update,
164 bss->count, bss->capab_info);
165 for (i = 0; i < bss->ssid_len; i++) {
166 p += sprintf(p, "%c",
167 bss->ssid[i] >= 32 && bss->ssid[i] < 127 ?
168 bss->ssid[i] : '_');
169 }
170 p += sprintf(p, "\t");
171 for (i = 0; i < bss->ssid_len; i++) {
172 p += sprintf(p, "%02x", bss->ssid[i]);
173 }
174 p += sprintf(p, "\t");
175 for (i = 0; i < bss->wpa_ie_len; i++) {
176 p += sprintf(p, "%02x", bss->wpa_ie[i]);
177 }
178 p += sprintf(p, "\n");
179 if ((p - page) > PROC_LIMIT) {
180 printk(KERN_DEBUG "%s: BSS proc did not fit\n",
181 local->dev->name);
182 break;
183 }
184 }
185 spin_unlock_bh(&local->lock);
186
187 if ((p - page) <= off) {
188 *eof = 1;
189 return 0;
190 }
191
192 *start = page + off;
193
194 return (p - page - off);
195 }
196
197
prism2_crypt_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)198 static int prism2_crypt_proc_read(char *page, char **start, off_t off,
199 int count, int *eof, void *data)
200 {
201 char *p = page;
202 local_info_t *local = (local_info_t *) data;
203 int i;
204
205 if (off > PROC_LIMIT) {
206 *eof = 1;
207 return 0;
208 }
209
210 p += sprintf(p, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx);
211 for (i = 0; i < WEP_KEYS; i++) {
212 if (local->crypt_info.crypt[i] &&
213 local->crypt_info.crypt[i]->ops &&
214 local->crypt_info.crypt[i]->ops->print_stats) {
215 p = local->crypt_info.crypt[i]->ops->print_stats(
216 p, local->crypt_info.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
prism2_pda_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)231 static 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
prism2_aux_dump_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)249 static 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
prism2_io_debug_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)270 static 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 /* PRISM2_IO_DEBUG */
306
307
308 #ifndef PRISM2_NO_STATION_MODES
prism2_scan_results_proc_read(char * page,char ** start,off_t off,int count,int * eof,void * data)309 static 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
318 p += sprintf(p, "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates "
319 "SSID\n");
320
321 spin_lock_bh(&local->lock);
322 for (entry = 0; entry < local->last_scan_results_count; entry++) {
323 scanres = &local->last_scan_results[entry];
324
325 if (total + (p - page) <= off) {
326 total += p - page;
327 p = page;
328 }
329 if (total + (p - page) > off + count)
330 break;
331 if ((p - page) > (PAGE_SIZE - 200))
332 break;
333
334 p += sprintf(p, "%d %d %d %d 0x%02x %d %pM %d ",
335 le16_to_cpu(scanres->chid),
336 (s16) le16_to_cpu(scanres->anl),
337 (s16) le16_to_cpu(scanres->sl),
338 le16_to_cpu(scanres->beacon_interval),
339 le16_to_cpu(scanres->capability),
340 le16_to_cpu(scanres->rate),
341 scanres->bssid,
342 le16_to_cpu(scanres->atim));
343
344 pos = scanres->sup_rates;
345 for (i = 0; i < sizeof(scanres->sup_rates); i++) {
346 if (pos[i] == 0)
347 break;
348 p += sprintf(p, "<%02x>", pos[i]);
349 }
350 p += sprintf(p, " ");
351
352 pos = scanres->ssid;
353 len = le16_to_cpu(scanres->ssid_len);
354 if (len > 32)
355 len = 32;
356 for (i = 0; i < len; i++) {
357 unsigned char c = pos[i];
358 if (c >= 32 && c < 127)
359 p += sprintf(p, "%c", c);
360 else
361 p += sprintf(p, "<%02x>", c);
362 }
363 p += sprintf(p, "\n");
364 }
365 spin_unlock_bh(&local->lock);
366
367 total += (p - page);
368 if (total >= off + count)
369 *eof = 1;
370
371 if (total < off) {
372 *eof = 1;
373 return 0;
374 }
375
376 len = total - off;
377 if (len > (p - page))
378 len = p - page;
379 *start = p - len;
380 if (len > count)
381 len = count;
382
383 return len;
384 }
385 #endif /* PRISM2_NO_STATION_MODES */
386
387
hostap_init_proc(local_info_t * local)388 void hostap_init_proc(local_info_t *local)
389 {
390 local->proc = NULL;
391
392 if (hostap_proc == NULL) {
393 printk(KERN_WARNING "%s: hostap proc directory not created\n",
394 local->dev->name);
395 return;
396 }
397
398 local->proc = proc_mkdir(local->ddev->name, hostap_proc);
399 if (local->proc == NULL) {
400 printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
401 local->ddev->name);
402 return;
403 }
404
405 #ifndef PRISM2_NO_PROCFS_DEBUG
406 create_proc_read_entry("debug", 0, local->proc,
407 prism2_debug_proc_read, local);
408 #endif /* PRISM2_NO_PROCFS_DEBUG */
409 create_proc_read_entry("stats", 0, local->proc,
410 prism2_stats_proc_read, local);
411 create_proc_read_entry("wds", 0, local->proc,
412 prism2_wds_proc_read, local);
413 create_proc_read_entry("pda", 0, local->proc,
414 prism2_pda_proc_read, local);
415 create_proc_read_entry("aux_dump", 0, local->proc,
416 prism2_aux_dump_proc_read, local);
417 create_proc_read_entry("bss_list", 0, local->proc,
418 prism2_bss_list_proc_read, local);
419 create_proc_read_entry("crypt", 0, local->proc,
420 prism2_crypt_proc_read, local);
421 #ifdef PRISM2_IO_DEBUG
422 create_proc_read_entry("io_debug", 0, local->proc,
423 prism2_io_debug_proc_read, local);
424 #endif /* PRISM2_IO_DEBUG */
425 #ifndef PRISM2_NO_STATION_MODES
426 create_proc_read_entry("scan_results", 0, local->proc,
427 prism2_scan_results_proc_read, local);
428 #endif /* PRISM2_NO_STATION_MODES */
429 }
430
431
hostap_remove_proc(local_info_t * local)432 void hostap_remove_proc(local_info_t *local)
433 {
434 if (local->proc != NULL) {
435 #ifndef PRISM2_NO_STATION_MODES
436 remove_proc_entry("scan_results", local->proc);
437 #endif /* PRISM2_NO_STATION_MODES */
438 #ifdef PRISM2_IO_DEBUG
439 remove_proc_entry("io_debug", local->proc);
440 #endif /* PRISM2_IO_DEBUG */
441 remove_proc_entry("pda", local->proc);
442 remove_proc_entry("aux_dump", local->proc);
443 remove_proc_entry("wds", local->proc);
444 remove_proc_entry("stats", local->proc);
445 remove_proc_entry("bss_list", local->proc);
446 remove_proc_entry("crypt", local->proc);
447 #ifndef PRISM2_NO_PROCFS_DEBUG
448 remove_proc_entry("debug", local->proc);
449 #endif /* PRISM2_NO_PROCFS_DEBUG */
450 if (hostap_proc != NULL)
451 remove_proc_entry(local->proc->name, hostap_proc);
452 }
453 }
454
455
456 EXPORT_SYMBOL(hostap_init_proc);
457 EXPORT_SYMBOL(hostap_remove_proc);
458