tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* /proc routines for Host AP driver */
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 /* PRISM2_NO_PROCFS_DEBUG */
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 /* FIX: this may grow too long for one page(?) */
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
110 if (off > PROC_LIMIT) {
111 *eof = 1;
112 return 0;
113 }
114
115 read_lock_bh(&local->iface_lock);
116 list_for_each(ptr, &local->hostap_interfaces) {
117 iface = list_entry(ptr, struct hostap_interface, list);
118 if (iface->type != HOSTAP_INTERFACE_WDS)
119 continue;
120 p += sprintf(p, "%s\t" MACSTR "\n",
121 iface->dev->name,
122 MAC2STR(iface->u.wds.remote_addr));
123 if ((p - page) > PROC_LIMIT) {
124 printk(KERN_DEBUG "%s: wds proc did not fit\n",
125 local->dev->name);
126 break;
127 }
128 }
129 read_unlock_bh(&local->iface_lock);
130
131 if ((p - page) <= off) {
132 *eof = 1;
133 return 0;
134 }
135
136 *start = page + off;
137
138 return (p - page - off);
139}
140
141
142static int prism2_bss_list_proc_read(char *page, char **start, off_t off,
143 int count, int *eof, void *data)
144{
145 char *p = page;
146 local_info_t *local = (local_info_t *) data;
147 struct list_head *ptr;
148 struct hostap_bss_info *bss;
149 int i;
150
151 if (off > PROC_LIMIT) {
152 *eof = 1;
153 return 0;
154 }
155
156 p += sprintf(p, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
157 "SSID(hex)\tWPA IE\n");
158 spin_lock_bh(&local->lock);
159 list_for_each(ptr, &local->bss_list) {
160 bss = list_entry(ptr, struct hostap_bss_info, list);
161 p += sprintf(p, MACSTR "\t%lu\t%u\t0x%x\t",
162 MAC2STR(bss->bssid), bss->last_update,
163 bss->count, bss->capab_info);
164 for (i = 0; i < bss->ssid_len; i++) {
165 p += sprintf(p, "%c",
166 bss->ssid[i] >= 32 && bss->ssid[i] < 127 ?
167 bss->ssid[i] : '_');
168 }
169 p += sprintf(p, "\t");
170 for (i = 0; i < bss->ssid_len; i++) {
171 p += sprintf(p, "%02x", bss->ssid[i]);
172 }
173 p += sprintf(p, "\t");
174 for (i = 0; i < bss->wpa_ie_len; i++) {
175 p += sprintf(p, "%02x", bss->wpa_ie[i]);
176 }
177 p += sprintf(p, "\n");
178 if ((p - page) > PROC_LIMIT) {
179 printk(KERN_DEBUG "%s: BSS proc did not fit\n",
180 local->dev->name);
181 break;
182 }
183 }
184 spin_unlock_bh(&local->lock);
185
186 if ((p - page) <= off) {
187 *eof = 1;
188 return 0;
189 }
190
191 *start = page + off;
192
193 return (p - page - off);
194}
195
196
197static int prism2_crypt_proc_read(char *page, char **start, off_t off,
198 int count, int *eof, void *data)
199{
200 char *p = page;
201 local_info_t *local = (local_info_t *) data;
202 int i;
203
204 if (off > PROC_LIMIT) {
205 *eof = 1;
206 return 0;
207 }
208
209 p += sprintf(p, "tx_keyidx=%d\n", local->tx_keyidx);
210 for (i = 0; i < WEP_KEYS; i++) {
211 if (local->crypt[i] && local->crypt[i]->ops &&
212 local->crypt[i]->ops->print_stats) {
213 p = local->crypt[i]->ops->print_stats(
214 p, local->crypt[i]->priv);
215 }
216 }
217
218 if ((p - page) <= off) {
219 *eof = 1;
220 return 0;
221 }
222
223 *start = page + off;
224
225 return (p - page - off);
226}
227
228
229static int prism2_pda_proc_read(char *page, char **start, off_t off,
230 int count, int *eof, void *data)
231{
232 local_info_t *local = (local_info_t *) data;
233
234 if (local->pda == NULL || off >= PRISM2_PDA_SIZE) {
235 *eof = 1;
236 return 0;
237 }
238
239 if (off + count > PRISM2_PDA_SIZE)
240 count = PRISM2_PDA_SIZE - off;
241
242 memcpy(page, local->pda + off, count);
243 return count;
244}
245
246
247static int prism2_aux_dump_proc_read(char *page, char **start, off_t off,
248 int count, int *eof, void *data)
249{
250 local_info_t *local = (local_info_t *) data;
251
252 if (local->func->read_aux == NULL) {
253 *eof = 1;
254 return 0;
255 }
256
257 if (local->func->read_aux(local->dev, off, count, page)) {
258 *eof = 1;
259 return 0;
260 }
261 *start = page;
262
263 return count;
264}
265
266
267#ifdef PRISM2_IO_DEBUG
268static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
269 int count, int *eof, void *data)
270{
271 local_info_t *local = (local_info_t *) data;
272 int head = local->io_debug_head;
273 int start_bytes, left, copy, copied;
274
275 if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
276 *eof = 1;
277 if (off >= PRISM2_IO_DEBUG_SIZE * 4)
278 return 0;
279 count = PRISM2_IO_DEBUG_SIZE * 4 - off;
280 }
281
282 copied = 0;
283 start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
284 left = count;
285
286 if (off < start_bytes) {
287 copy = start_bytes - off;
288 if (copy > count)
289 copy = count;
290 memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
291 left -= copy;
292 if (left > 0)
293 memcpy(&page[copy], local->io_debug, left);
294 } else {
295 memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
296 left);
297 }
298
299 *start = page;
300
301 return count;
302}
303#endif /* PRISM2_IO_DEBUG */
304
305
306#ifndef PRISM2_NO_STATION_MODES
307static int prism2_scan_results_proc_read(char *page, char **start, off_t off,
308 int count, int *eof, void *data)
309{
310 char *p = page;
311 local_info_t *local = (local_info_t *) data;
312 int entry, i, len, total = 0;
313 struct hfa384x_hostscan_result *scanres;
314 u8 *pos;
315
316 p += sprintf(p, "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates "
317 "SSID\n");
318
319 spin_lock_bh(&local->lock);
320 for (entry = 0; entry < local->last_scan_results_count; entry++) {
321 scanres = &local->last_scan_results[entry];
322
323 if (total + (p - page) <= off) {
324 total += p - page;
325 p = page;
326 }
327 if (total + (p - page) > off + count)
328 break;
329 if ((p - page) > (PAGE_SIZE - 200))
330 break;
331
332 p += sprintf(p, "%d %d %d %d 0x%02x %d " MACSTR " %d ",
333 le16_to_cpu(scanres->chid),
334 (s16) le16_to_cpu(scanres->anl),
335 (s16) le16_to_cpu(scanres->sl),
336 le16_to_cpu(scanres->beacon_interval),
337 le16_to_cpu(scanres->capability),
338 le16_to_cpu(scanres->rate),
339 MAC2STR(scanres->bssid),
340 le16_to_cpu(scanres->atim));
341
342 pos = scanres->sup_rates;
343 for (i = 0; i < sizeof(scanres->sup_rates); i++) {
344 if (pos[i] == 0)
345 break;
346 p += sprintf(p, "<%02x>", pos[i]);
347 }
348 p += sprintf(p, " ");
349
350 pos = scanres->ssid;
351 len = le16_to_cpu(scanres->ssid_len);
352 if (len > 32)
353 len = 32;
354 for (i = 0; i < len; i++) {
355 unsigned char c = pos[i];
356 if (c >= 32 && c < 127)
357 p += sprintf(p, "%c", c);
358 else
359 p += sprintf(p, "<%02x>", c);
360 }
361 p += sprintf(p, "\n");
362 }
363 spin_unlock_bh(&local->lock);
364
365 total += (p - page);
366 if (total >= off + count)
367 *eof = 1;
368
369 if (total < off) {
370 *eof = 1;
371 return 0;
372 }
373
374 len = total - off;
375 if (len > (p - page))
376 len = p - page;
377 *start = p - len;
378 if (len > count)
379 len = count;
380
381 return len;
382}
383#endif /* PRISM2_NO_STATION_MODES */
384
385
386void hostap_init_proc(local_info_t *local)
387{
388 local->proc = NULL;
389
390 if (hostap_proc == NULL) {
391 printk(KERN_WARNING "%s: hostap proc directory not created\n",
392 local->dev->name);
393 return;
394 }
395
396 local->proc = proc_mkdir(local->ddev->name, hostap_proc);
397 if (local->proc == NULL) {
398 printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
399 local->ddev->name);
400 return;
401 }
402
403#ifndef PRISM2_NO_PROCFS_DEBUG
404 create_proc_read_entry("debug", 0, local->proc,
405 prism2_debug_proc_read, local);
406#endif /* PRISM2_NO_PROCFS_DEBUG */
407 create_proc_read_entry("stats", 0, local->proc,
408 prism2_stats_proc_read, local);
409 create_proc_read_entry("wds", 0, local->proc,
410 prism2_wds_proc_read, local);
411 create_proc_read_entry("pda", 0, local->proc,
412 prism2_pda_proc_read, local);
413 create_proc_read_entry("aux_dump", 0, local->proc,
414 prism2_aux_dump_proc_read, local);
415 create_proc_read_entry("bss_list", 0, local->proc,
416 prism2_bss_list_proc_read, local);
417 create_proc_read_entry("crypt", 0, local->proc,
418 prism2_crypt_proc_read, local);
419#ifdef PRISM2_IO_DEBUG
420 create_proc_read_entry("io_debug", 0, local->proc,
421 prism2_io_debug_proc_read, local);
422#endif /* PRISM2_IO_DEBUG */
423#ifndef PRISM2_NO_STATION_MODES
424 create_proc_read_entry("scan_results", 0, local->proc,
425 prism2_scan_results_proc_read, local);
426#endif /* PRISM2_NO_STATION_MODES */
427}
428
429
430void hostap_remove_proc(local_info_t *local)
431{
432 if (local->proc != NULL) {
433#ifndef PRISM2_NO_STATION_MODES
434 remove_proc_entry("scan_results", local->proc);
435#endif /* PRISM2_NO_STATION_MODES */
436#ifdef PRISM2_IO_DEBUG
437 remove_proc_entry("io_debug", local->proc);
438#endif /* PRISM2_IO_DEBUG */
439 remove_proc_entry("pda", local->proc);
440 remove_proc_entry("aux_dump", local->proc);
441 remove_proc_entry("wds", local->proc);
442 remove_proc_entry("stats", local->proc);
443 remove_proc_entry("bss_list", local->proc);
444 remove_proc_entry("crypt", local->proc);
445#ifndef PRISM2_NO_PROCFS_DEBUG
446 remove_proc_entry("debug", local->proc);
447#endif /* PRISM2_NO_PROCFS_DEBUG */
448 if (hostap_proc != NULL)
449 remove_proc_entry(local->proc->name, hostap_proc);
450 }
451}
452
453
454EXPORT_SYMBOL(hostap_init_proc);
455EXPORT_SYMBOL(hostap_remove_proc);