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Merge branch 'master'
[deliverable/linux.git] / drivers / net / wireless / prism54 / isl_ioctl.c
1 /*
2 *
3 * Copyright (C) 2002 Intersil Americas Inc.
4 * (C) 2003,2004 Aurelien Alleaume <slts@free.fr>
5 * (C) 2003 Herbert Valerio Riedel <hvr@gnu.org>
6 * (C) 2003 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23 #include <linux/version.h>
24 #include <linux/module.h>
25 #include <linux/kernel.h>
26 #include <linux/if_arp.h>
27 #include <linux/pci.h>
28
29 #include <asm/uaccess.h>
30
31 #include "prismcompat.h"
32 #include "isl_ioctl.h"
33 #include "islpci_mgt.h"
34 #include "isl_oid.h" /* additional types and defs for isl38xx fw */
35 #include "oid_mgt.h"
36
37 #include <net/iw_handler.h> /* New driver API */
38
39
40 static void prism54_wpa_ie_add(islpci_private *priv, u8 *bssid,
41 u8 *wpa_ie, size_t wpa_ie_len);
42 static size_t prism54_wpa_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie);
43 static int prism54_set_wpa(struct net_device *, struct iw_request_info *,
44 __u32 *, char *);
45
46
47 /**
48 * prism54_mib_mode_helper - MIB change mode helper function
49 * @mib: the &struct islpci_mib object to modify
50 * @iw_mode: new mode (%IW_MODE_*)
51 *
52 * This is a helper function, hence it does not lock. Make sure
53 * caller deals with locking *if* necessary. This function sets the
54 * mode-dependent mib values and does the mapping of the Linux
55 * Wireless API modes to Device firmware modes. It also checks for
56 * correct valid Linux wireless modes.
57 */
58 static int
59 prism54_mib_mode_helper(islpci_private *priv, u32 iw_mode)
60 {
61 u32 config = INL_CONFIG_MANUALRUN;
62 u32 mode, bsstype;
63
64 /* For now, just catch early the Repeater and Secondary modes here */
65 if (iw_mode == IW_MODE_REPEAT || iw_mode == IW_MODE_SECOND) {
66 printk(KERN_DEBUG
67 "%s(): Sorry, Repeater mode and Secondary mode "
68 "are not yet supported by this driver.\n", __FUNCTION__);
69 return -EINVAL;
70 }
71
72 priv->iw_mode = iw_mode;
73
74 switch (iw_mode) {
75 case IW_MODE_AUTO:
76 mode = INL_MODE_CLIENT;
77 bsstype = DOT11_BSSTYPE_ANY;
78 break;
79 case IW_MODE_ADHOC:
80 mode = INL_MODE_CLIENT;
81 bsstype = DOT11_BSSTYPE_IBSS;
82 break;
83 case IW_MODE_INFRA:
84 mode = INL_MODE_CLIENT;
85 bsstype = DOT11_BSSTYPE_INFRA;
86 break;
87 case IW_MODE_MASTER:
88 mode = INL_MODE_AP;
89 bsstype = DOT11_BSSTYPE_INFRA;
90 break;
91 case IW_MODE_MONITOR:
92 mode = INL_MODE_PROMISCUOUS;
93 bsstype = DOT11_BSSTYPE_ANY;
94 config |= INL_CONFIG_RXANNEX;
95 break;
96 default:
97 return -EINVAL;
98 }
99
100 if (init_wds)
101 config |= INL_CONFIG_WDS;
102 mgt_set(priv, DOT11_OID_BSSTYPE, &bsstype);
103 mgt_set(priv, OID_INL_CONFIG, &config);
104 mgt_set(priv, OID_INL_MODE, &mode);
105
106 return 0;
107 }
108
109 /**
110 * prism54_mib_init - fill MIB cache with defaults
111 *
112 * this function initializes the struct given as @mib with defaults,
113 * of which many are retrieved from the global module parameter
114 * variables.
115 */
116
117 void
118 prism54_mib_init(islpci_private *priv)
119 {
120 u32 channel, authen, wep, filter, dot1x, mlme, conformance, power, mode;
121 struct obj_buffer psm_buffer = {
122 .size = PSM_BUFFER_SIZE,
123 .addr = priv->device_psm_buffer
124 };
125
126 channel = CARD_DEFAULT_CHANNEL;
127 authen = CARD_DEFAULT_AUTHEN;
128 wep = CARD_DEFAULT_WEP;
129 filter = CARD_DEFAULT_FILTER; /* (0) Do not filter un-encrypted data */
130 dot1x = CARD_DEFAULT_DOT1X;
131 mlme = CARD_DEFAULT_MLME_MODE;
132 conformance = CARD_DEFAULT_CONFORMANCE;
133 power = 127;
134 mode = CARD_DEFAULT_IW_MODE;
135
136 mgt_set(priv, DOT11_OID_CHANNEL, &channel);
137 mgt_set(priv, DOT11_OID_AUTHENABLE, &authen);
138 mgt_set(priv, DOT11_OID_PRIVACYINVOKED, &wep);
139 mgt_set(priv, DOT11_OID_PSMBUFFER, &psm_buffer);
140 mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &filter);
141 mgt_set(priv, DOT11_OID_DOT1XENABLE, &dot1x);
142 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlme);
143 mgt_set(priv, OID_INL_DOT11D_CONFORMANCE, &conformance);
144 mgt_set(priv, OID_INL_OUTPUTPOWER, &power);
145
146 /* This sets all of the mode-dependent values */
147 prism54_mib_mode_helper(priv, mode);
148 }
149
150 /* this will be executed outside of atomic context thanks to
151 * schedule_work(), thus we can as well use sleeping semaphore
152 * locking */
153 void
154 prism54_update_stats(islpci_private *priv)
155 {
156 char *data;
157 int j;
158 struct obj_bss bss, *bss2;
159 union oid_res_t r;
160
161 if (down_interruptible(&priv->stats_sem))
162 return;
163
164 /* Noise floor.
165 * I'm not sure if the unit is dBm.
166 * Note : If we are not connected, this value seems to be irrelevant. */
167
168 mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
169 priv->local_iwstatistics.qual.noise = r.u;
170
171 /* Get the rssi of the link. To do this we need to retrieve a bss. */
172
173 /* First get the MAC address of the AP we are associated with. */
174 mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r);
175 data = r.ptr;
176
177 /* copy this MAC to the bss */
178 memcpy(bss.address, data, 6);
179 kfree(data);
180
181 /* now ask for the corresponding bss */
182 j = mgt_get_request(priv, DOT11_OID_BSSFIND, 0, (void *) &bss, &r);
183 bss2 = r.ptr;
184 /* report the rssi and use it to calculate
185 * link quality through a signal-noise
186 * ratio */
187 priv->local_iwstatistics.qual.level = bss2->rssi;
188 priv->local_iwstatistics.qual.qual =
189 bss2->rssi - priv->iwstatistics.qual.noise;
190
191 kfree(bss2);
192
193 /* report that the stats are new */
194 priv->local_iwstatistics.qual.updated = 0x7;
195
196 /* Rx : unable to decrypt the MPDU */
197 mgt_get_request(priv, DOT11_OID_PRIVRXFAILED, 0, NULL, &r);
198 priv->local_iwstatistics.discard.code = r.u;
199
200 /* Tx : Max MAC retries num reached */
201 mgt_get_request(priv, DOT11_OID_MPDUTXFAILED, 0, NULL, &r);
202 priv->local_iwstatistics.discard.retries = r.u;
203
204 up(&priv->stats_sem);
205
206 return;
207 }
208
209 struct iw_statistics *
210 prism54_get_wireless_stats(struct net_device *ndev)
211 {
212 islpci_private *priv = netdev_priv(ndev);
213
214 /* If the stats are being updated return old data */
215 if (down_trylock(&priv->stats_sem) == 0) {
216 memcpy(&priv->iwstatistics, &priv->local_iwstatistics,
217 sizeof (struct iw_statistics));
218 /* They won't be marked updated for the next time */
219 priv->local_iwstatistics.qual.updated = 0;
220 up(&priv->stats_sem);
221 } else
222 priv->iwstatistics.qual.updated = 0;
223
224 /* Update our wireless stats, but do not schedule to often
225 * (max 1 HZ) */
226 if ((priv->stats_timestamp == 0) ||
227 time_after(jiffies, priv->stats_timestamp + 1 * HZ)) {
228 schedule_work(&priv->stats_work);
229 priv->stats_timestamp = jiffies;
230 }
231
232 return &priv->iwstatistics;
233 }
234
235 static int
236 prism54_commit(struct net_device *ndev, struct iw_request_info *info,
237 char *cwrq, char *extra)
238 {
239 islpci_private *priv = netdev_priv(ndev);
240
241 /* simply re-set the last set SSID, this should commit most stuff */
242
243 /* Commit in Monitor mode is not necessary, also setting essid
244 * in Monitor mode does not make sense and isn't allowed for this
245 * device's firmware */
246 if (priv->iw_mode != IW_MODE_MONITOR)
247 return mgt_set_request(priv, DOT11_OID_SSID, 0, NULL);
248 return 0;
249 }
250
251 static int
252 prism54_get_name(struct net_device *ndev, struct iw_request_info *info,
253 char *cwrq, char *extra)
254 {
255 islpci_private *priv = netdev_priv(ndev);
256 char *capabilities;
257 union oid_res_t r;
258 int rvalue;
259
260 if (islpci_get_state(priv) < PRV_STATE_INIT) {
261 strncpy(cwrq, "NOT READY!", IFNAMSIZ);
262 return 0;
263 }
264 rvalue = mgt_get_request(priv, OID_INL_PHYCAPABILITIES, 0, NULL, &r);
265
266 switch (r.u) {
267 case INL_PHYCAP_5000MHZ:
268 capabilities = "IEEE 802.11a/b/g";
269 break;
270 case INL_PHYCAP_FAA:
271 capabilities = "IEEE 802.11b/g - FAA Support";
272 break;
273 case INL_PHYCAP_2400MHZ:
274 default:
275 capabilities = "IEEE 802.11b/g"; /* Default */
276 break;
277 }
278 strncpy(cwrq, capabilities, IFNAMSIZ);
279 return rvalue;
280 }
281
282 static int
283 prism54_set_freq(struct net_device *ndev, struct iw_request_info *info,
284 struct iw_freq *fwrq, char *extra)
285 {
286 islpci_private *priv = netdev_priv(ndev);
287 int rvalue;
288 u32 c;
289
290 if (fwrq->m < 1000)
291 /* we have a channel number */
292 c = fwrq->m;
293 else
294 c = (fwrq->e == 1) ? channel_of_freq(fwrq->m / 100000) : 0;
295
296 rvalue = c ? mgt_set_request(priv, DOT11_OID_CHANNEL, 0, &c) : -EINVAL;
297
298 /* Call commit handler */
299 return (rvalue ? rvalue : -EINPROGRESS);
300 }
301
302 static int
303 prism54_get_freq(struct net_device *ndev, struct iw_request_info *info,
304 struct iw_freq *fwrq, char *extra)
305 {
306 islpci_private *priv = netdev_priv(ndev);
307 union oid_res_t r;
308 int rvalue;
309
310 rvalue = mgt_get_request(priv, DOT11_OID_CHANNEL, 0, NULL, &r);
311 fwrq->i = r.u;
312 rvalue |= mgt_get_request(priv, DOT11_OID_FREQUENCY, 0, NULL, &r);
313 fwrq->m = r.u;
314 fwrq->e = 3;
315
316 return rvalue;
317 }
318
319 static int
320 prism54_set_mode(struct net_device *ndev, struct iw_request_info *info,
321 __u32 * uwrq, char *extra)
322 {
323 islpci_private *priv = netdev_priv(ndev);
324 u32 mlmeautolevel = CARD_DEFAULT_MLME_MODE;
325
326 /* Let's see if the user passed a valid Linux Wireless mode */
327 if (*uwrq > IW_MODE_MONITOR || *uwrq < IW_MODE_AUTO) {
328 printk(KERN_DEBUG
329 "%s: %s() You passed a non-valid init_mode.\n",
330 priv->ndev->name, __FUNCTION__);
331 return -EINVAL;
332 }
333
334 down_write(&priv->mib_sem);
335
336 if (prism54_mib_mode_helper(priv, *uwrq)) {
337 up_write(&priv->mib_sem);
338 return -EOPNOTSUPP;
339 }
340
341 /* the ACL code needs an intermediate mlmeautolevel. The wpa stuff an
342 * extended one.
343 */
344 if ((*uwrq == IW_MODE_MASTER) && (priv->acl.policy != MAC_POLICY_OPEN))
345 mlmeautolevel = DOT11_MLME_INTERMEDIATE;
346 if (priv->wpa)
347 mlmeautolevel = DOT11_MLME_EXTENDED;
348
349 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel);
350
351 if (mgt_commit(priv)) {
352 up_write(&priv->mib_sem);
353 return -EIO;
354 }
355 priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR)
356 ? priv->monitor_type : ARPHRD_ETHER;
357 up_write(&priv->mib_sem);
358
359 return 0;
360 }
361
362 /* Use mib cache */
363 static int
364 prism54_get_mode(struct net_device *ndev, struct iw_request_info *info,
365 __u32 * uwrq, char *extra)
366 {
367 islpci_private *priv = netdev_priv(ndev);
368
369 BUG_ON((priv->iw_mode < IW_MODE_AUTO) || (priv->iw_mode >
370 IW_MODE_MONITOR));
371 *uwrq = priv->iw_mode;
372
373 return 0;
374 }
375
376 /* we use DOT11_OID_EDTHRESHOLD. From what I guess the card will not try to
377 * emit data if (sensitivity > rssi - noise) (in dBm).
378 * prism54_set_sens does not seem to work.
379 */
380
381 static int
382 prism54_set_sens(struct net_device *ndev, struct iw_request_info *info,
383 struct iw_param *vwrq, char *extra)
384 {
385 islpci_private *priv = netdev_priv(ndev);
386 u32 sens;
387
388 /* by default the card sets this to 20. */
389 sens = vwrq->disabled ? 20 : vwrq->value;
390
391 return mgt_set_request(priv, DOT11_OID_EDTHRESHOLD, 0, &sens);
392 }
393
394 static int
395 prism54_get_sens(struct net_device *ndev, struct iw_request_info *info,
396 struct iw_param *vwrq, char *extra)
397 {
398 islpci_private *priv = netdev_priv(ndev);
399 union oid_res_t r;
400 int rvalue;
401
402 rvalue = mgt_get_request(priv, DOT11_OID_EDTHRESHOLD, 0, NULL, &r);
403
404 vwrq->value = r.u;
405 vwrq->disabled = (vwrq->value == 0);
406 vwrq->fixed = 1;
407
408 return rvalue;
409 }
410
411 static int
412 prism54_get_range(struct net_device *ndev, struct iw_request_info *info,
413 struct iw_point *dwrq, char *extra)
414 {
415 struct iw_range *range = (struct iw_range *) extra;
416 islpci_private *priv = netdev_priv(ndev);
417 u8 *data;
418 int i, m, rvalue;
419 struct obj_frequencies *freq;
420 union oid_res_t r;
421
422 memset(range, 0, sizeof (struct iw_range));
423 dwrq->length = sizeof (struct iw_range);
424
425 /* set the wireless extension version number */
426 range->we_version_source = SUPPORTED_WIRELESS_EXT;
427 range->we_version_compiled = WIRELESS_EXT;
428
429 /* Now the encoding capabilities */
430 range->num_encoding_sizes = 3;
431 /* 64(40) bits WEP */
432 range->encoding_size[0] = 5;
433 /* 128(104) bits WEP */
434 range->encoding_size[1] = 13;
435 /* 256 bits for WPA-PSK */
436 range->encoding_size[2] = 32;
437 /* 4 keys are allowed */
438 range->max_encoding_tokens = 4;
439
440 /* we don't know the quality range... */
441 range->max_qual.level = 0;
442 range->max_qual.noise = 0;
443 range->max_qual.qual = 0;
444 /* these value describe an average quality. Needs more tweaking... */
445 range->avg_qual.level = -80; /* -80 dBm */
446 range->avg_qual.noise = 0; /* don't know what to put here */
447 range->avg_qual.qual = 0;
448
449 range->sensitivity = 200;
450
451 /* retry limit capabilities */
452 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
453 range->retry_flags = IW_RETRY_LIMIT;
454 range->r_time_flags = IW_RETRY_LIFETIME;
455
456 /* I don't know the range. Put stupid things here */
457 range->min_retry = 1;
458 range->max_retry = 65535;
459 range->min_r_time = 1024;
460 range->max_r_time = 65535 * 1024;
461
462 /* txpower is supported in dBm's */
463 range->txpower_capa = IW_TXPOW_DBM;
464
465 /* Event capability (kernel + driver) */
466 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
467 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
468 IW_EVENT_CAPA_MASK(SIOCGIWAP));
469 range->event_capa[1] = IW_EVENT_CAPA_K_1;
470 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVCUSTOM);
471
472 if (islpci_get_state(priv) < PRV_STATE_INIT)
473 return 0;
474
475 /* Request the device for the supported frequencies
476 * not really relevant since some devices will report the 5 GHz band
477 * frequencies even if they don't support them.
478 */
479 rvalue =
480 mgt_get_request(priv, DOT11_OID_SUPPORTEDFREQUENCIES, 0, NULL, &r);
481 freq = r.ptr;
482
483 range->num_channels = freq->nr;
484 range->num_frequency = freq->nr;
485
486 m = min(IW_MAX_FREQUENCIES, (int) freq->nr);
487 for (i = 0; i < m; i++) {
488 range->freq[i].m = freq->mhz[i];
489 range->freq[i].e = 6;
490 range->freq[i].i = channel_of_freq(freq->mhz[i]);
491 }
492 kfree(freq);
493
494 rvalue |= mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r);
495 data = r.ptr;
496
497 /* We got an array of char. It is NULL terminated. */
498 i = 0;
499 while ((i < IW_MAX_BITRATES) && (*data != 0)) {
500 /* the result must be in bps. The card gives us 500Kbps */
501 range->bitrate[i] = *data * 500000;
502 i++;
503 data++;
504 }
505 range->num_bitrates = i;
506 kfree(r.ptr);
507
508 return rvalue;
509 }
510
511 /* Set AP address*/
512
513 static int
514 prism54_set_wap(struct net_device *ndev, struct iw_request_info *info,
515 struct sockaddr *awrq, char *extra)
516 {
517 islpci_private *priv = netdev_priv(ndev);
518 char bssid[6];
519 int rvalue;
520
521 if (awrq->sa_family != ARPHRD_ETHER)
522 return -EINVAL;
523
524 /* prepare the structure for the set object */
525 memcpy(&bssid[0], awrq->sa_data, 6);
526
527 /* set the bssid -- does this make sense when in AP mode? */
528 rvalue = mgt_set_request(priv, DOT11_OID_BSSID, 0, &bssid);
529
530 return (rvalue ? rvalue : -EINPROGRESS); /* Call commit handler */
531 }
532
533 /* get AP address*/
534
535 static int
536 prism54_get_wap(struct net_device *ndev, struct iw_request_info *info,
537 struct sockaddr *awrq, char *extra)
538 {
539 islpci_private *priv = netdev_priv(ndev);
540 union oid_res_t r;
541 int rvalue;
542
543 rvalue = mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r);
544 memcpy(awrq->sa_data, r.ptr, 6);
545 awrq->sa_family = ARPHRD_ETHER;
546 kfree(r.ptr);
547
548 return rvalue;
549 }
550
551 static int
552 prism54_set_scan(struct net_device *dev, struct iw_request_info *info,
553 struct iw_param *vwrq, char *extra)
554 {
555 /* hehe the device does this automagicaly */
556 return 0;
557 }
558
559 /* a little helper that will translate our data into a card independent
560 * format that the Wireless Tools will understand. This was inspired by
561 * the "Aironet driver for 4500 and 4800 series cards" (GPL)
562 */
563
564 static char *
565 prism54_translate_bss(struct net_device *ndev, char *current_ev,
566 char *end_buf, struct obj_bss *bss, char noise)
567 {
568 struct iw_event iwe; /* Temporary buffer */
569 short cap;
570 islpci_private *priv = netdev_priv(ndev);
571
572 /* The first entry must be the MAC address */
573 memcpy(iwe.u.ap_addr.sa_data, bss->address, 6);
574 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
575 iwe.cmd = SIOCGIWAP;
576 current_ev =
577 iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
578
579 /* The following entries will be displayed in the same order we give them */
580
581 /* The ESSID. */
582 iwe.u.data.length = bss->ssid.length;
583 iwe.u.data.flags = 1;
584 iwe.cmd = SIOCGIWESSID;
585 current_ev = iwe_stream_add_point(current_ev, end_buf,
586 &iwe, bss->ssid.octets);
587
588 /* Capabilities */
589 #define CAP_ESS 0x01
590 #define CAP_IBSS 0x02
591 #define CAP_CRYPT 0x10
592
593 /* Mode */
594 cap = bss->capinfo;
595 iwe.u.mode = 0;
596 if (cap & CAP_ESS)
597 iwe.u.mode = IW_MODE_MASTER;
598 else if (cap & CAP_IBSS)
599 iwe.u.mode = IW_MODE_ADHOC;
600 iwe.cmd = SIOCGIWMODE;
601 if (iwe.u.mode)
602 current_ev =
603 iwe_stream_add_event(current_ev, end_buf, &iwe,
604 IW_EV_UINT_LEN);
605
606 /* Encryption capability */
607 if (cap & CAP_CRYPT)
608 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
609 else
610 iwe.u.data.flags = IW_ENCODE_DISABLED;
611 iwe.u.data.length = 0;
612 iwe.cmd = SIOCGIWENCODE;
613 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, NULL);
614
615 /* Add frequency. (short) bss->channel is the frequency in MHz */
616 iwe.u.freq.m = bss->channel;
617 iwe.u.freq.e = 6;
618 iwe.cmd = SIOCGIWFREQ;
619 current_ev =
620 iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
621
622 /* Add quality statistics */
623 iwe.u.qual.level = bss->rssi;
624 iwe.u.qual.noise = noise;
625 /* do a simple SNR for quality */
626 iwe.u.qual.qual = bss->rssi - noise;
627 iwe.cmd = IWEVQUAL;
628 current_ev =
629 iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
630
631 if (priv->wpa) {
632 u8 wpa_ie[MAX_WPA_IE_LEN];
633 char *buf, *p;
634 size_t wpa_ie_len;
635 int i;
636
637 wpa_ie_len = prism54_wpa_ie_get(priv, bss->address, wpa_ie);
638 if (wpa_ie_len > 0 &&
639 (buf = kmalloc(wpa_ie_len * 2 + 10, GFP_ATOMIC))) {
640 p = buf;
641 p += sprintf(p, "wpa_ie=");
642 for (i = 0; i < wpa_ie_len; i++) {
643 p += sprintf(p, "%02x", wpa_ie[i]);
644 }
645 memset(&iwe, 0, sizeof (iwe));
646 iwe.cmd = IWEVCUSTOM;
647 iwe.u.data.length = strlen(buf);
648 current_ev = iwe_stream_add_point(current_ev, end_buf,
649 &iwe, buf);
650 kfree(buf);
651 }
652 }
653 return current_ev;
654 }
655
656 static int
657 prism54_get_scan(struct net_device *ndev, struct iw_request_info *info,
658 struct iw_point *dwrq, char *extra)
659 {
660 islpci_private *priv = netdev_priv(ndev);
661 int i, rvalue;
662 struct obj_bsslist *bsslist;
663 u32 noise = 0;
664 char *current_ev = extra;
665 union oid_res_t r;
666
667 if (islpci_get_state(priv) < PRV_STATE_INIT) {
668 /* device is not ready, fail gently */
669 dwrq->length = 0;
670 return 0;
671 }
672
673 /* first get the noise value. We will use it to report the link quality */
674 rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
675 noise = r.u;
676
677 /* Ask the device for a list of known bss.
678 * The old API, using SIOCGIWAPLIST, had a hard limit of IW_MAX_AP=64.
679 * The new API, using SIOCGIWSCAN, is only limited by the buffer size.
680 * WE-14->WE-16, the buffer is limited to IW_SCAN_MAX_DATA bytes.
681 * Starting with WE-17, the buffer can be as big as needed.
682 * But the device won't repport anything if you change the value
683 * of IWMAX_BSS=24. */
684
685 rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r);
686 bsslist = r.ptr;
687
688 /* ok now, scan the list and translate its info */
689 for (i = 0; i < (int) bsslist->nr; i++) {
690 current_ev = prism54_translate_bss(ndev, current_ev,
691 extra + dwrq->length,
692 &(bsslist->bsslist[i]),
693 noise);
694
695 /* Check if there is space for one more entry */
696 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
697 /* Ask user space to try again with a bigger buffer */
698 rvalue = -E2BIG;
699 break;
700 }
701 }
702
703 kfree(bsslist);
704 dwrq->length = (current_ev - extra);
705 dwrq->flags = 0; /* todo */
706
707 return rvalue;
708 }
709
710 static int
711 prism54_set_essid(struct net_device *ndev, struct iw_request_info *info,
712 struct iw_point *dwrq, char *extra)
713 {
714 islpci_private *priv = netdev_priv(ndev);
715 struct obj_ssid essid;
716
717 memset(essid.octets, 0, 33);
718
719 /* Check if we were asked for `any' */
720 if (dwrq->flags && dwrq->length) {
721 if (dwrq->length > min(33, IW_ESSID_MAX_SIZE + 1))
722 return -E2BIG;
723 essid.length = dwrq->length - 1;
724 memcpy(essid.octets, extra, dwrq->length);
725 } else
726 essid.length = 0;
727
728 if (priv->iw_mode != IW_MODE_MONITOR)
729 return mgt_set_request(priv, DOT11_OID_SSID, 0, &essid);
730
731 /* If in monitor mode, just save to mib */
732 mgt_set(priv, DOT11_OID_SSID, &essid);
733 return 0;
734
735 }
736
737 static int
738 prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
739 struct iw_point *dwrq, char *extra)
740 {
741 islpci_private *priv = netdev_priv(ndev);
742 struct obj_ssid *essid;
743 union oid_res_t r;
744 int rvalue;
745
746 rvalue = mgt_get_request(priv, DOT11_OID_SSID, 0, NULL, &r);
747 essid = r.ptr;
748
749 if (essid->length) {
750 dwrq->flags = 1; /* set ESSID to ON for Wireless Extensions */
751 /* if it is to big, trunk it */
752 dwrq->length = min(IW_ESSID_MAX_SIZE, essid->length + 1);
753 } else {
754 dwrq->flags = 0;
755 dwrq->length = 0;
756 }
757 essid->octets[essid->length] = '\0';
758 memcpy(extra, essid->octets, dwrq->length);
759 kfree(essid);
760
761 return rvalue;
762 }
763
764 /* Provides no functionality, just completes the ioctl. In essence this is a
765 * just a cosmetic ioctl.
766 */
767 static int
768 prism54_set_nick(struct net_device *ndev, struct iw_request_info *info,
769 struct iw_point *dwrq, char *extra)
770 {
771 islpci_private *priv = netdev_priv(ndev);
772
773 if (dwrq->length > IW_ESSID_MAX_SIZE)
774 return -E2BIG;
775
776 down_write(&priv->mib_sem);
777 memset(priv->nickname, 0, sizeof (priv->nickname));
778 memcpy(priv->nickname, extra, dwrq->length);
779 up_write(&priv->mib_sem);
780
781 return 0;
782 }
783
784 static int
785 prism54_get_nick(struct net_device *ndev, struct iw_request_info *info,
786 struct iw_point *dwrq, char *extra)
787 {
788 islpci_private *priv = netdev_priv(ndev);
789
790 dwrq->length = 0;
791
792 down_read(&priv->mib_sem);
793 dwrq->length = strlen(priv->nickname) + 1;
794 memcpy(extra, priv->nickname, dwrq->length);
795 up_read(&priv->mib_sem);
796
797 return 0;
798 }
799
800 /* Set the allowed Bitrates */
801
802 static int
803 prism54_set_rate(struct net_device *ndev,
804 struct iw_request_info *info,
805 struct iw_param *vwrq, char *extra)
806 {
807
808 islpci_private *priv = netdev_priv(ndev);
809 u32 rate, profile;
810 char *data;
811 int ret, i;
812 union oid_res_t r;
813
814 if (vwrq->value == -1) {
815 /* auto mode. No limit. */
816 profile = 1;
817 return mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile);
818 }
819
820 ret = mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r);
821 if (ret) {
822 kfree(r.ptr);
823 return ret;
824 }
825
826 rate = (u32) (vwrq->value / 500000);
827 data = r.ptr;
828 i = 0;
829
830 while (data[i]) {
831 if (rate && (data[i] == rate)) {
832 break;
833 }
834 if (vwrq->value == i) {
835 break;
836 }
837 data[i] |= 0x80;
838 i++;
839 }
840
841 if (!data[i]) {
842 kfree(r.ptr);
843 return -EINVAL;
844 }
845
846 data[i] |= 0x80;
847 data[i + 1] = 0;
848
849 /* Now, check if we want a fixed or auto value */
850 if (vwrq->fixed) {
851 data[0] = data[i];
852 data[1] = 0;
853 }
854
855 /*
856 i = 0;
857 printk("prism54 rate: ");
858 while(data[i]) {
859 printk("%u ", data[i]);
860 i++;
861 }
862 printk("0\n");
863 */
864 profile = -1;
865 ret = mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile);
866 ret |= mgt_set_request(priv, DOT11_OID_EXTENDEDRATES, 0, data);
867 ret |= mgt_set_request(priv, DOT11_OID_RATES, 0, data);
868
869 kfree(r.ptr);
870
871 return ret;
872 }
873
874 /* Get the current bit rate */
875 static int
876 prism54_get_rate(struct net_device *ndev,
877 struct iw_request_info *info,
878 struct iw_param *vwrq, char *extra)
879 {
880 islpci_private *priv = netdev_priv(ndev);
881 int rvalue;
882 char *data;
883 union oid_res_t r;
884
885 /* Get the current bit rate */
886 if ((rvalue = mgt_get_request(priv, GEN_OID_LINKSTATE, 0, NULL, &r)))
887 return rvalue;
888 vwrq->value = r.u * 500000;
889
890 /* request the device for the enabled rates */
891 rvalue = mgt_get_request(priv, DOT11_OID_RATES, 0, NULL, &r);
892 if (rvalue) {
893 kfree(r.ptr);
894 return rvalue;
895 }
896 data = r.ptr;
897 vwrq->fixed = (data[0] != 0) && (data[1] == 0);
898 kfree(r.ptr);
899
900 return 0;
901 }
902
903 static int
904 prism54_set_rts(struct net_device *ndev, struct iw_request_info *info,
905 struct iw_param *vwrq, char *extra)
906 {
907 islpci_private *priv = netdev_priv(ndev);
908
909 return mgt_set_request(priv, DOT11_OID_RTSTHRESH, 0, &vwrq->value);
910 }
911
912 static int
913 prism54_get_rts(struct net_device *ndev, struct iw_request_info *info,
914 struct iw_param *vwrq, char *extra)
915 {
916 islpci_private *priv = netdev_priv(ndev);
917 union oid_res_t r;
918 int rvalue;
919
920 /* get the rts threshold */
921 rvalue = mgt_get_request(priv, DOT11_OID_RTSTHRESH, 0, NULL, &r);
922 vwrq->value = r.u;
923
924 return rvalue;
925 }
926
927 static int
928 prism54_set_frag(struct net_device *ndev, struct iw_request_info *info,
929 struct iw_param *vwrq, char *extra)
930 {
931 islpci_private *priv = netdev_priv(ndev);
932
933 return mgt_set_request(priv, DOT11_OID_FRAGTHRESH, 0, &vwrq->value);
934 }
935
936 static int
937 prism54_get_frag(struct net_device *ndev, struct iw_request_info *info,
938 struct iw_param *vwrq, char *extra)
939 {
940 islpci_private *priv = netdev_priv(ndev);
941 union oid_res_t r;
942 int rvalue;
943
944 rvalue = mgt_get_request(priv, DOT11_OID_FRAGTHRESH, 0, NULL, &r);
945 vwrq->value = r.u;
946
947 return rvalue;
948 }
949
950 /* Here we have (min,max) = max retries for (small frames, big frames). Where
951 * big frame <=> bigger than the rts threshold
952 * small frame <=> smaller than the rts threshold
953 * This is not really the behavior expected by the wireless tool but it seems
954 * to be a common behavior in other drivers.
955 */
956
957 static int
958 prism54_set_retry(struct net_device *ndev, struct iw_request_info *info,
959 struct iw_param *vwrq, char *extra)
960 {
961 islpci_private *priv = netdev_priv(ndev);
962 u32 slimit = 0, llimit = 0; /* short and long limit */
963 u32 lifetime = 0;
964 int rvalue = 0;
965
966 if (vwrq->disabled)
967 /* we cannot disable this feature */
968 return -EINVAL;
969
970 if (vwrq->flags & IW_RETRY_LIMIT) {
971 if (vwrq->flags & IW_RETRY_MIN)
972 slimit = vwrq->value;
973 else if (vwrq->flags & IW_RETRY_MAX)
974 llimit = vwrq->value;
975 else {
976 /* we are asked to set both */
977 slimit = vwrq->value;
978 llimit = vwrq->value;
979 }
980 }
981 if (vwrq->flags & IW_RETRY_LIFETIME)
982 /* Wireless tools use us unit while the device uses 1024 us unit */
983 lifetime = vwrq->value / 1024;
984
985 /* now set what is requested */
986 if (slimit)
987 rvalue =
988 mgt_set_request(priv, DOT11_OID_SHORTRETRIES, 0, &slimit);
989 if (llimit)
990 rvalue |=
991 mgt_set_request(priv, DOT11_OID_LONGRETRIES, 0, &llimit);
992 if (lifetime)
993 rvalue |=
994 mgt_set_request(priv, DOT11_OID_MAXTXLIFETIME, 0,
995 &lifetime);
996 return rvalue;
997 }
998
999 static int
1000 prism54_get_retry(struct net_device *ndev, struct iw_request_info *info,
1001 struct iw_param *vwrq, char *extra)
1002 {
1003 islpci_private *priv = netdev_priv(ndev);
1004 union oid_res_t r;
1005 int rvalue = 0;
1006 vwrq->disabled = 0; /* It cannot be disabled */
1007
1008 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1009 /* we are asked for the life time */
1010 rvalue =
1011 mgt_get_request(priv, DOT11_OID_MAXTXLIFETIME, 0, NULL, &r);
1012 vwrq->value = r.u * 1024;
1013 vwrq->flags = IW_RETRY_LIFETIME;
1014 } else if ((vwrq->flags & IW_RETRY_MAX)) {
1015 /* we are asked for the long retry limit */
1016 rvalue |=
1017 mgt_get_request(priv, DOT11_OID_LONGRETRIES, 0, NULL, &r);
1018 vwrq->value = r.u;
1019 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
1020 } else {
1021 /* default. get the short retry limit */
1022 rvalue |=
1023 mgt_get_request(priv, DOT11_OID_SHORTRETRIES, 0, NULL, &r);
1024 vwrq->value = r.u;
1025 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
1026 }
1027
1028 return rvalue;
1029 }
1030
1031 static int
1032 prism54_set_encode(struct net_device *ndev, struct iw_request_info *info,
1033 struct iw_point *dwrq, char *extra)
1034 {
1035 islpci_private *priv = netdev_priv(ndev);
1036 int rvalue = 0, force = 0;
1037 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
1038 union oid_res_t r;
1039
1040 /* with the new API, it's impossible to get a NULL pointer.
1041 * New version of iwconfig set the IW_ENCODE_NOKEY flag
1042 * when no key is given, but older versions don't. */
1043
1044 if (dwrq->length > 0) {
1045 /* we have a key to set */
1046 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1047 int current_index;
1048 struct obj_key key = { DOT11_PRIV_WEP, 0, "" };
1049
1050 /* get the current key index */
1051 rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1052 current_index = r.u;
1053 /* Verify that the key is not marked as invalid */
1054 if (!(dwrq->flags & IW_ENCODE_NOKEY)) {
1055 key.length = dwrq->length > sizeof (key.key) ?
1056 sizeof (key.key) : dwrq->length;
1057 memcpy(key.key, extra, key.length);
1058 if (key.length == 32)
1059 /* we want WPA-PSK */
1060 key.type = DOT11_PRIV_TKIP;
1061 if ((index < 0) || (index > 3))
1062 /* no index provided use the current one */
1063 index = current_index;
1064
1065 /* now send the key to the card */
1066 rvalue |=
1067 mgt_set_request(priv, DOT11_OID_DEFKEYX, index,
1068 &key);
1069 }
1070 /*
1071 * If a valid key is set, encryption should be enabled
1072 * (user may turn it off later).
1073 * This is also how "iwconfig ethX key on" works
1074 */
1075 if ((index == current_index) && (key.length > 0))
1076 force = 1;
1077 } else {
1078 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1079 if ((index >= 0) && (index <= 3)) {
1080 /* we want to set the key index */
1081 rvalue |=
1082 mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
1083 &index);
1084 } else {
1085 if (!dwrq->flags & IW_ENCODE_MODE) {
1086 /* we cannot do anything. Complain. */
1087 return -EINVAL;
1088 }
1089 }
1090 }
1091 /* now read the flags */
1092 if (dwrq->flags & IW_ENCODE_DISABLED) {
1093 /* Encoding disabled,
1094 * authen = DOT11_AUTH_OS;
1095 * invoke = 0;
1096 * exunencrypt = 0; */
1097 }
1098 if (dwrq->flags & IW_ENCODE_OPEN)
1099 /* Encode but accept non-encoded packets. No auth */
1100 invoke = 1;
1101 if ((dwrq->flags & IW_ENCODE_RESTRICTED) || force) {
1102 /* Refuse non-encoded packets. Auth */
1103 authen = DOT11_AUTH_BOTH;
1104 invoke = 1;
1105 exunencrypt = 1;
1106 }
1107 /* do the change if requested */
1108 if ((dwrq->flags & IW_ENCODE_MODE) || force) {
1109 rvalue |=
1110 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
1111 rvalue |=
1112 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke);
1113 rvalue |=
1114 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
1115 &exunencrypt);
1116 }
1117 return rvalue;
1118 }
1119
1120 static int
1121 prism54_get_encode(struct net_device *ndev, struct iw_request_info *info,
1122 struct iw_point *dwrq, char *extra)
1123 {
1124 islpci_private *priv = netdev_priv(ndev);
1125 struct obj_key *key;
1126 u32 devindex, index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1127 u32 authen = 0, invoke = 0, exunencrypt = 0;
1128 int rvalue;
1129 union oid_res_t r;
1130
1131 /* first get the flags */
1132 rvalue = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1133 authen = r.u;
1134 rvalue |= mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1135 invoke = r.u;
1136 rvalue |= mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1137 exunencrypt = r.u;
1138
1139 if (invoke && (authen == DOT11_AUTH_BOTH) && exunencrypt)
1140 dwrq->flags = IW_ENCODE_RESTRICTED;
1141 else if ((authen == DOT11_AUTH_OS) && !exunencrypt) {
1142 if (invoke)
1143 dwrq->flags = IW_ENCODE_OPEN;
1144 else
1145 dwrq->flags = IW_ENCODE_DISABLED;
1146 } else
1147 /* The card should not work in this state */
1148 dwrq->flags = 0;
1149
1150 /* get the current device key index */
1151 rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1152 devindex = r.u;
1153 /* Now get the key, return it */
1154 if ((index < 0) || (index > 3))
1155 /* no index provided, use the current one */
1156 index = devindex;
1157 rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYX, index, NULL, &r);
1158 key = r.ptr;
1159 dwrq->length = key->length;
1160 memcpy(extra, key->key, dwrq->length);
1161 kfree(key);
1162 /* return the used key index */
1163 dwrq->flags |= devindex + 1;
1164
1165 return rvalue;
1166 }
1167
1168 static int
1169 prism54_get_txpower(struct net_device *ndev, struct iw_request_info *info,
1170 struct iw_param *vwrq, char *extra)
1171 {
1172 islpci_private *priv = netdev_priv(ndev);
1173 union oid_res_t r;
1174 int rvalue;
1175
1176 rvalue = mgt_get_request(priv, OID_INL_OUTPUTPOWER, 0, NULL, &r);
1177 /* intersil firmware operates in 0.25 dBm (1/4 dBm) */
1178 vwrq->value = (s32) r.u / 4;
1179 vwrq->fixed = 1;
1180 /* radio is not turned of
1181 * btw: how is possible to turn off only the radio
1182 */
1183 vwrq->disabled = 0;
1184
1185 return rvalue;
1186 }
1187
1188 static int
1189 prism54_set_txpower(struct net_device *ndev, struct iw_request_info *info,
1190 struct iw_param *vwrq, char *extra)
1191 {
1192 islpci_private *priv = netdev_priv(ndev);
1193 s32 u = vwrq->value;
1194
1195 /* intersil firmware operates in 0.25 dBm (1/4) */
1196 u *= 4;
1197 if (vwrq->disabled) {
1198 /* don't know how to disable radio */
1199 printk(KERN_DEBUG
1200 "%s: %s() disabling radio is not yet supported.\n",
1201 priv->ndev->name, __FUNCTION__);
1202 return -ENOTSUPP;
1203 } else if (vwrq->fixed)
1204 /* currently only fixed value is supported */
1205 return mgt_set_request(priv, OID_INL_OUTPUTPOWER, 0, &u);
1206 else {
1207 printk(KERN_DEBUG
1208 "%s: %s() auto power will be implemented later.\n",
1209 priv->ndev->name, __FUNCTION__);
1210 return -ENOTSUPP;
1211 }
1212 }
1213
1214 static int
1215 prism54_reset(struct net_device *ndev, struct iw_request_info *info,
1216 __u32 * uwrq, char *extra)
1217 {
1218 islpci_reset(netdev_priv(ndev), 0);
1219
1220 return 0;
1221 }
1222
1223 static int
1224 prism54_get_oid(struct net_device *ndev, struct iw_request_info *info,
1225 struct iw_point *dwrq, char *extra)
1226 {
1227 union oid_res_t r;
1228 int rvalue;
1229 enum oid_num_t n = dwrq->flags;
1230
1231 rvalue = mgt_get_request((islpci_private *) ndev->priv, n, 0, NULL, &r);
1232 dwrq->length = mgt_response_to_str(n, &r, extra);
1233 if ((isl_oid[n].flags & OID_FLAG_TYPE) != OID_TYPE_U32)
1234 kfree(r.ptr);
1235 return rvalue;
1236 }
1237
1238 static int
1239 prism54_set_u32(struct net_device *ndev, struct iw_request_info *info,
1240 __u32 * uwrq, char *extra)
1241 {
1242 u32 oid = uwrq[0], u = uwrq[1];
1243
1244 return mgt_set_request((islpci_private *) ndev->priv, oid, 0, &u);
1245 }
1246
1247 static int
1248 prism54_set_raw(struct net_device *ndev, struct iw_request_info *info,
1249 struct iw_point *dwrq, char *extra)
1250 {
1251 u32 oid = dwrq->flags;
1252
1253 return mgt_set_request((islpci_private *) ndev->priv, oid, 0, extra);
1254 }
1255
1256 void
1257 prism54_acl_init(struct islpci_acl *acl)
1258 {
1259 sema_init(&acl->sem, 1);
1260 INIT_LIST_HEAD(&acl->mac_list);
1261 acl->size = 0;
1262 acl->policy = MAC_POLICY_OPEN;
1263 }
1264
1265 static void
1266 prism54_clear_mac(struct islpci_acl *acl)
1267 {
1268 struct list_head *ptr, *next;
1269 struct mac_entry *entry;
1270
1271 if (down_interruptible(&acl->sem))
1272 return;
1273
1274 if (acl->size == 0) {
1275 up(&acl->sem);
1276 return;
1277 }
1278
1279 for (ptr = acl->mac_list.next, next = ptr->next;
1280 ptr != &acl->mac_list; ptr = next, next = ptr->next) {
1281 entry = list_entry(ptr, struct mac_entry, _list);
1282 list_del(ptr);
1283 kfree(entry);
1284 }
1285 acl->size = 0;
1286 up(&acl->sem);
1287 }
1288
1289 void
1290 prism54_acl_clean(struct islpci_acl *acl)
1291 {
1292 prism54_clear_mac(acl);
1293 }
1294
1295 static int
1296 prism54_add_mac(struct net_device *ndev, struct iw_request_info *info,
1297 struct sockaddr *awrq, char *extra)
1298 {
1299 islpci_private *priv = netdev_priv(ndev);
1300 struct islpci_acl *acl = &priv->acl;
1301 struct mac_entry *entry;
1302 struct sockaddr *addr = (struct sockaddr *) extra;
1303
1304 if (addr->sa_family != ARPHRD_ETHER)
1305 return -EOPNOTSUPP;
1306
1307 entry = kmalloc(sizeof (struct mac_entry), GFP_KERNEL);
1308 if (entry == NULL)
1309 return -ENOMEM;
1310
1311 memcpy(entry->addr, addr->sa_data, ETH_ALEN);
1312
1313 if (down_interruptible(&acl->sem)) {
1314 kfree(entry);
1315 return -ERESTARTSYS;
1316 }
1317 list_add_tail(&entry->_list, &acl->mac_list);
1318 acl->size++;
1319 up(&acl->sem);
1320
1321 return 0;
1322 }
1323
1324 static int
1325 prism54_del_mac(struct net_device *ndev, struct iw_request_info *info,
1326 struct sockaddr *awrq, char *extra)
1327 {
1328 islpci_private *priv = netdev_priv(ndev);
1329 struct islpci_acl *acl = &priv->acl;
1330 struct mac_entry *entry;
1331 struct list_head *ptr;
1332 struct sockaddr *addr = (struct sockaddr *) extra;
1333
1334 if (addr->sa_family != ARPHRD_ETHER)
1335 return -EOPNOTSUPP;
1336
1337 if (down_interruptible(&acl->sem))
1338 return -ERESTARTSYS;
1339 for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
1340 entry = list_entry(ptr, struct mac_entry, _list);
1341
1342 if (memcmp(entry->addr, addr->sa_data, ETH_ALEN) == 0) {
1343 list_del(ptr);
1344 acl->size--;
1345 kfree(entry);
1346 up(&acl->sem);
1347 return 0;
1348 }
1349 }
1350 up(&acl->sem);
1351 return -EINVAL;
1352 }
1353
1354 static int
1355 prism54_get_mac(struct net_device *ndev, struct iw_request_info *info,
1356 struct iw_point *dwrq, char *extra)
1357 {
1358 islpci_private *priv = netdev_priv(ndev);
1359 struct islpci_acl *acl = &priv->acl;
1360 struct mac_entry *entry;
1361 struct list_head *ptr;
1362 struct sockaddr *dst = (struct sockaddr *) extra;
1363
1364 dwrq->length = 0;
1365
1366 if (down_interruptible(&acl->sem))
1367 return -ERESTARTSYS;
1368
1369 for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
1370 entry = list_entry(ptr, struct mac_entry, _list);
1371
1372 memcpy(dst->sa_data, entry->addr, ETH_ALEN);
1373 dst->sa_family = ARPHRD_ETHER;
1374 dwrq->length++;
1375 dst++;
1376 }
1377 up(&acl->sem);
1378 return 0;
1379 }
1380
1381 /* Setting policy also clears the MAC acl, even if we don't change the defaut
1382 * policy
1383 */
1384
1385 static int
1386 prism54_set_policy(struct net_device *ndev, struct iw_request_info *info,
1387 __u32 * uwrq, char *extra)
1388 {
1389 islpci_private *priv = netdev_priv(ndev);
1390 struct islpci_acl *acl = &priv->acl;
1391 u32 mlmeautolevel;
1392
1393 prism54_clear_mac(acl);
1394
1395 if ((*uwrq < MAC_POLICY_OPEN) || (*uwrq > MAC_POLICY_REJECT))
1396 return -EINVAL;
1397
1398 down_write(&priv->mib_sem);
1399
1400 acl->policy = *uwrq;
1401
1402 /* the ACL code needs an intermediate mlmeautolevel */
1403 if ((priv->iw_mode == IW_MODE_MASTER) &&
1404 (acl->policy != MAC_POLICY_OPEN))
1405 mlmeautolevel = DOT11_MLME_INTERMEDIATE;
1406 else
1407 mlmeautolevel = CARD_DEFAULT_MLME_MODE;
1408 if (priv->wpa)
1409 mlmeautolevel = DOT11_MLME_EXTENDED;
1410 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel);
1411 /* restart the card with our new policy */
1412 if (mgt_commit(priv)) {
1413 up_write(&priv->mib_sem);
1414 return -EIO;
1415 }
1416 up_write(&priv->mib_sem);
1417
1418 return 0;
1419 }
1420
1421 static int
1422 prism54_get_policy(struct net_device *ndev, struct iw_request_info *info,
1423 __u32 * uwrq, char *extra)
1424 {
1425 islpci_private *priv = netdev_priv(ndev);
1426 struct islpci_acl *acl = &priv->acl;
1427
1428 *uwrq = acl->policy;
1429
1430 return 0;
1431 }
1432
1433 /* Return 1 only if client should be accepted. */
1434
1435 static int
1436 prism54_mac_accept(struct islpci_acl *acl, char *mac)
1437 {
1438 struct list_head *ptr;
1439 struct mac_entry *entry;
1440 int res = 0;
1441
1442 if (down_interruptible(&acl->sem))
1443 return -ERESTARTSYS;
1444
1445 if (acl->policy == MAC_POLICY_OPEN) {
1446 up(&acl->sem);
1447 return 1;
1448 }
1449
1450 for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
1451 entry = list_entry(ptr, struct mac_entry, _list);
1452 if (memcmp(entry->addr, mac, ETH_ALEN) == 0) {
1453 res = 1;
1454 break;
1455 }
1456 }
1457 res = (acl->policy == MAC_POLICY_ACCEPT) ? !res : res;
1458 up(&acl->sem);
1459
1460 return res;
1461 }
1462
1463 static int
1464 prism54_kick_all(struct net_device *ndev, struct iw_request_info *info,
1465 struct iw_point *dwrq, char *extra)
1466 {
1467 struct obj_mlme *mlme;
1468 int rvalue;
1469
1470 mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL);
1471 if (mlme == NULL)
1472 return -ENOMEM;
1473
1474 /* Tell the card to kick every client */
1475 mlme->id = 0;
1476 rvalue =
1477 mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme);
1478 kfree(mlme);
1479
1480 return rvalue;
1481 }
1482
1483 static int
1484 prism54_kick_mac(struct net_device *ndev, struct iw_request_info *info,
1485 struct sockaddr *awrq, char *extra)
1486 {
1487 struct obj_mlme *mlme;
1488 struct sockaddr *addr = (struct sockaddr *) extra;
1489 int rvalue;
1490
1491 if (addr->sa_family != ARPHRD_ETHER)
1492 return -EOPNOTSUPP;
1493
1494 mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL);
1495 if (mlme == NULL)
1496 return -ENOMEM;
1497
1498 /* Tell the card to only kick the corresponding bastard */
1499 memcpy(mlme->address, addr->sa_data, ETH_ALEN);
1500 mlme->id = -1;
1501 rvalue =
1502 mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme);
1503
1504 kfree(mlme);
1505
1506 return rvalue;
1507 }
1508
1509 /* Translate a TRAP oid into a wireless event. Called in islpci_mgt_receive. */
1510
1511 static void
1512 format_event(islpci_private *priv, char *dest, const char *str,
1513 const struct obj_mlme *mlme, u16 *length, int error)
1514 {
1515 const u8 *a = mlme->address;
1516 int n = snprintf(dest, IW_CUSTOM_MAX,
1517 "%s %s %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X %s (%2.2X)",
1518 str,
1519 ((priv->iw_mode == IW_MODE_MASTER) ? "from" : "to"),
1520 a[0], a[1], a[2], a[3], a[4], a[5],
1521 (error ? (mlme->code ? " : REJECTED " : " : ACCEPTED ")
1522 : ""), mlme->code);
1523 BUG_ON(n > IW_CUSTOM_MAX);
1524 *length = n;
1525 }
1526
1527 static void
1528 send_formatted_event(islpci_private *priv, const char *str,
1529 const struct obj_mlme *mlme, int error)
1530 {
1531 union iwreq_data wrqu;
1532 char *memptr;
1533
1534 memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
1535 if (!memptr)
1536 return;
1537 wrqu.data.pointer = memptr;
1538 wrqu.data.length = 0;
1539 format_event(priv, memptr, str, mlme, &wrqu.data.length,
1540 error);
1541 wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr);
1542 kfree(memptr);
1543 }
1544
1545 static void
1546 send_simple_event(islpci_private *priv, const char *str)
1547 {
1548 union iwreq_data wrqu;
1549 char *memptr;
1550 int n = strlen(str);
1551
1552 memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
1553 if (!memptr)
1554 return;
1555 BUG_ON(n > IW_CUSTOM_MAX);
1556 wrqu.data.pointer = memptr;
1557 wrqu.data.length = n;
1558 strcpy(memptr, str);
1559 wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr);
1560 kfree(memptr);
1561 }
1562
1563 static void
1564 link_changed(struct net_device *ndev, u32 bitrate)
1565 {
1566 islpci_private *priv = netdev_priv(ndev);
1567
1568 if (bitrate) {
1569 if (priv->iw_mode == IW_MODE_INFRA) {
1570 union iwreq_data uwrq;
1571 prism54_get_wap(ndev, NULL, (struct sockaddr *) &uwrq,
1572 NULL);
1573 wireless_send_event(ndev, SIOCGIWAP, &uwrq, NULL);
1574 } else
1575 send_simple_event(netdev_priv(ndev),
1576 "Link established");
1577 } else
1578 send_simple_event(netdev_priv(ndev), "Link lost");
1579 }
1580
1581 /* Beacon/ProbeResp payload header */
1582 struct ieee80211_beacon_phdr {
1583 u8 timestamp[8];
1584 u16 beacon_int;
1585 u16 capab_info;
1586 } __attribute__ ((packed));
1587
1588 #define WLAN_EID_GENERIC 0xdd
1589 static u8 wpa_oid[4] = { 0x00, 0x50, 0xf2, 1 };
1590
1591 #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
1592 #define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
1593
1594 static void
1595 prism54_wpa_ie_add(islpci_private *priv, u8 *bssid,
1596 u8 *wpa_ie, size_t wpa_ie_len)
1597 {
1598 struct list_head *ptr;
1599 struct islpci_bss_wpa_ie *bss = NULL;
1600
1601 if (wpa_ie_len > MAX_WPA_IE_LEN)
1602 wpa_ie_len = MAX_WPA_IE_LEN;
1603
1604 if (down_interruptible(&priv->wpa_sem))
1605 return;
1606
1607 /* try to use existing entry */
1608 list_for_each(ptr, &priv->bss_wpa_list) {
1609 bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
1610 if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) {
1611 list_move(&bss->list, &priv->bss_wpa_list);
1612 break;
1613 }
1614 bss = NULL;
1615 }
1616
1617 if (bss == NULL) {
1618 /* add a new BSS entry; if max number of entries is already
1619 * reached, replace the least recently updated */
1620 if (priv->num_bss_wpa >= MAX_BSS_WPA_IE_COUNT) {
1621 bss = list_entry(priv->bss_wpa_list.prev,
1622 struct islpci_bss_wpa_ie, list);
1623 list_del(&bss->list);
1624 } else {
1625 bss = kmalloc(sizeof (*bss), GFP_ATOMIC);
1626 if (bss != NULL) {
1627 priv->num_bss_wpa++;
1628 memset(bss, 0, sizeof (*bss));
1629 }
1630 }
1631 if (bss != NULL) {
1632 memcpy(bss->bssid, bssid, ETH_ALEN);
1633 list_add(&bss->list, &priv->bss_wpa_list);
1634 }
1635 }
1636
1637 if (bss != NULL) {
1638 memcpy(bss->wpa_ie, wpa_ie, wpa_ie_len);
1639 bss->wpa_ie_len = wpa_ie_len;
1640 bss->last_update = jiffies;
1641 } else {
1642 printk(KERN_DEBUG "Failed to add BSS WPA entry for " MACSTR
1643 "\n", MAC2STR(bssid));
1644 }
1645
1646 /* expire old entries from WPA list */
1647 while (priv->num_bss_wpa > 0) {
1648 bss = list_entry(priv->bss_wpa_list.prev,
1649 struct islpci_bss_wpa_ie, list);
1650 if (!time_after(jiffies, bss->last_update + 60 * HZ))
1651 break;
1652
1653 list_del(&bss->list);
1654 priv->num_bss_wpa--;
1655 kfree(bss);
1656 }
1657
1658 up(&priv->wpa_sem);
1659 }
1660
1661 static size_t
1662 prism54_wpa_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie)
1663 {
1664 struct list_head *ptr;
1665 struct islpci_bss_wpa_ie *bss = NULL;
1666 size_t len = 0;
1667
1668 if (down_interruptible(&priv->wpa_sem))
1669 return 0;
1670
1671 list_for_each(ptr, &priv->bss_wpa_list) {
1672 bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
1673 if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0)
1674 break;
1675 bss = NULL;
1676 }
1677 if (bss) {
1678 len = bss->wpa_ie_len;
1679 memcpy(wpa_ie, bss->wpa_ie, len);
1680 }
1681 up(&priv->wpa_sem);
1682
1683 return len;
1684 }
1685
1686 void
1687 prism54_wpa_ie_init(islpci_private *priv)
1688 {
1689 INIT_LIST_HEAD(&priv->bss_wpa_list);
1690 sema_init(&priv->wpa_sem, 1);
1691 }
1692
1693 void
1694 prism54_wpa_ie_clean(islpci_private *priv)
1695 {
1696 struct list_head *ptr, *n;
1697
1698 list_for_each_safe(ptr, n, &priv->bss_wpa_list) {
1699 struct islpci_bss_wpa_ie *bss;
1700 bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
1701 kfree(bss);
1702 }
1703 }
1704
1705 static void
1706 prism54_process_bss_data(islpci_private *priv, u32 oid, u8 *addr,
1707 u8 *payload, size_t len)
1708 {
1709 struct ieee80211_beacon_phdr *hdr;
1710 u8 *pos, *end;
1711
1712 if (!priv->wpa)
1713 return;
1714
1715 hdr = (struct ieee80211_beacon_phdr *) payload;
1716 pos = (u8 *) (hdr + 1);
1717 end = payload + len;
1718 while (pos < end) {
1719 if (pos + 2 + pos[1] > end) {
1720 printk(KERN_DEBUG "Parsing Beacon/ProbeResp failed "
1721 "for " MACSTR "\n", MAC2STR(addr));
1722 return;
1723 }
1724 if (pos[0] == WLAN_EID_GENERIC && pos[1] >= 4 &&
1725 memcmp(pos + 2, wpa_oid, 4) == 0) {
1726 prism54_wpa_ie_add(priv, addr, pos, pos[1] + 2);
1727 return;
1728 }
1729 pos += 2 + pos[1];
1730 }
1731 }
1732
1733 static void
1734 handle_request(islpci_private *priv, struct obj_mlme *mlme, enum oid_num_t oid)
1735 {
1736 if (((mlme->state == DOT11_STATE_AUTHING) ||
1737 (mlme->state == DOT11_STATE_ASSOCING))
1738 && mgt_mlme_answer(priv)) {
1739 /* Someone is requesting auth and we must respond. Just send back
1740 * the trap with error code set accordingly.
1741 */
1742 mlme->code = prism54_mac_accept(&priv->acl,
1743 mlme->address) ? 0 : 1;
1744 mgt_set_request(priv, oid, 0, mlme);
1745 }
1746 }
1747
1748 static int
1749 prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid,
1750 char *data)
1751 {
1752 struct obj_mlme *mlme = (struct obj_mlme *) data;
1753 struct obj_mlmeex *mlmeex = (struct obj_mlmeex *) data;
1754 struct obj_mlmeex *confirm;
1755 u8 wpa_ie[MAX_WPA_IE_LEN];
1756 int wpa_ie_len;
1757 size_t len = 0; /* u16, better? */
1758 u8 *payload = NULL, *pos = NULL;
1759 int ret;
1760
1761 /* I think all trapable objects are listed here.
1762 * Some oids have a EX version. The difference is that they are emitted
1763 * in DOT11_MLME_EXTENDED mode (set with DOT11_OID_MLMEAUTOLEVEL)
1764 * with more info.
1765 * The few events already defined by the wireless tools are not really
1766 * suited. We use the more flexible custom event facility.
1767 */
1768
1769 if (oid >= DOT11_OID_BEACON) {
1770 len = mlmeex->size;
1771 payload = pos = mlmeex->data;
1772 }
1773
1774 /* I fear prism54_process_bss_data won't work with big endian data */
1775 if ((oid == DOT11_OID_BEACON) || (oid == DOT11_OID_PROBE))
1776 prism54_process_bss_data(priv, oid, mlmeex->address,
1777 payload, len);
1778
1779 mgt_le_to_cpu(isl_oid[oid].flags & OID_FLAG_TYPE, (void *) mlme);
1780
1781 switch (oid) {
1782
1783 case GEN_OID_LINKSTATE:
1784 link_changed(priv->ndev, (u32) *data);
1785 break;
1786
1787 case DOT11_OID_MICFAILURE:
1788 send_simple_event(priv, "Mic failure");
1789 break;
1790
1791 case DOT11_OID_DEAUTHENTICATE:
1792 send_formatted_event(priv, "DeAuthenticate request", mlme, 0);
1793 break;
1794
1795 case DOT11_OID_AUTHENTICATE:
1796 handle_request(priv, mlme, oid);
1797 send_formatted_event(priv, "Authenticate request", mlme, 1);
1798 break;
1799
1800 case DOT11_OID_DISASSOCIATE:
1801 send_formatted_event(priv, "Disassociate request", mlme, 0);
1802 break;
1803
1804 case DOT11_OID_ASSOCIATE:
1805 handle_request(priv, mlme, oid);
1806 send_formatted_event(priv, "Associate request", mlme, 1);
1807 break;
1808
1809 case DOT11_OID_REASSOCIATE:
1810 handle_request(priv, mlme, oid);
1811 send_formatted_event(priv, "ReAssociate request", mlme, 1);
1812 break;
1813
1814 case DOT11_OID_BEACON:
1815 send_formatted_event(priv,
1816 "Received a beacon from an unkown AP",
1817 mlme, 0);
1818 break;
1819
1820 case DOT11_OID_PROBE:
1821 /* we received a probe from a client. */
1822 send_formatted_event(priv, "Received a probe from client", mlme,
1823 0);
1824 break;
1825
1826 /* Note : "mlme" is actually a "struct obj_mlmeex *" here, but this
1827 * is backward compatible layout-wise with "struct obj_mlme".
1828 */
1829
1830 case DOT11_OID_DEAUTHENTICATEEX:
1831 send_formatted_event(priv, "DeAuthenticate request", mlme, 0);
1832 break;
1833
1834 case DOT11_OID_AUTHENTICATEEX:
1835 handle_request(priv, mlme, oid);
1836 send_formatted_event(priv, "Authenticate request (ex)", mlme, 1);
1837
1838 if (priv->iw_mode != IW_MODE_MASTER
1839 && mlmeex->state != DOT11_STATE_AUTHING)
1840 break;
1841
1842 confirm = kmalloc(sizeof(struct obj_mlmeex) + 6, GFP_ATOMIC);
1843
1844 if (!confirm)
1845 break;
1846
1847 memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
1848 printk(KERN_DEBUG "Authenticate from: address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
1849 mlmeex->address[0],
1850 mlmeex->address[1],
1851 mlmeex->address[2],
1852 mlmeex->address[3],
1853 mlmeex->address[4],
1854 mlmeex->address[5]
1855 );
1856 confirm->id = -1; /* or mlmeex->id ? */
1857 confirm->state = 0; /* not used */
1858 confirm->code = 0;
1859 confirm->size = 6;
1860 confirm->data[0] = 0x00;
1861 confirm->data[1] = 0x00;
1862 confirm->data[2] = 0x02;
1863 confirm->data[3] = 0x00;
1864 confirm->data[4] = 0x00;
1865 confirm->data[5] = 0x00;
1866
1867 ret = mgt_set_varlen(priv, DOT11_OID_ASSOCIATEEX, confirm, 6);
1868
1869 kfree(confirm);
1870 if (ret)
1871 return ret;
1872 break;
1873
1874 case DOT11_OID_DISASSOCIATEEX:
1875 send_formatted_event(priv, "Disassociate request (ex)", mlme, 0);
1876 break;
1877
1878 case DOT11_OID_ASSOCIATEEX:
1879 handle_request(priv, mlme, oid);
1880 send_formatted_event(priv, "Associate request (ex)", mlme, 1);
1881
1882 if (priv->iw_mode != IW_MODE_MASTER
1883 && mlmeex->state != DOT11_STATE_AUTHING)
1884 break;
1885
1886 confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC);
1887
1888 if (!confirm)
1889 break;
1890
1891 memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
1892
1893 confirm->id = ((struct obj_mlmeex *)mlme)->id;
1894 confirm->state = 0; /* not used */
1895 confirm->code = 0;
1896
1897 wpa_ie_len = prism54_wpa_ie_get(priv, mlmeex->address, wpa_ie);
1898
1899 if (!wpa_ie_len) {
1900 printk(KERN_DEBUG "No WPA IE found from "
1901 "address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
1902 mlmeex->address[0],
1903 mlmeex->address[1],
1904 mlmeex->address[2],
1905 mlmeex->address[3],
1906 mlmeex->address[4],
1907 mlmeex->address[5]
1908 );
1909 kfree(confirm);
1910 break;
1911 }
1912
1913 confirm->size = wpa_ie_len;
1914 memcpy(&confirm->data, wpa_ie, wpa_ie_len);
1915
1916 mgt_set_varlen(priv, oid, confirm, wpa_ie_len);
1917
1918 kfree(confirm);
1919
1920 break;
1921
1922 case DOT11_OID_REASSOCIATEEX:
1923 handle_request(priv, mlme, oid);
1924 send_formatted_event(priv, "Reassociate request (ex)", mlme, 1);
1925
1926 if (priv->iw_mode != IW_MODE_MASTER
1927 && mlmeex->state != DOT11_STATE_ASSOCING)
1928 break;
1929
1930 confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC);
1931
1932 if (!confirm)
1933 break;
1934
1935 memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
1936
1937 confirm->id = mlmeex->id;
1938 confirm->state = 0; /* not used */
1939 confirm->code = 0;
1940
1941 wpa_ie_len = prism54_wpa_ie_get(priv, mlmeex->address, wpa_ie);
1942
1943 if (!wpa_ie_len) {
1944 printk(KERN_DEBUG "No WPA IE found from "
1945 "address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
1946 mlmeex->address[0],
1947 mlmeex->address[1],
1948 mlmeex->address[2],
1949 mlmeex->address[3],
1950 mlmeex->address[4],
1951 mlmeex->address[5]
1952 );
1953 kfree(confirm);
1954 break;
1955 }
1956
1957 confirm->size = wpa_ie_len;
1958 memcpy(&confirm->data, wpa_ie, wpa_ie_len);
1959
1960 mgt_set_varlen(priv, oid, confirm, wpa_ie_len);
1961
1962 kfree(confirm);
1963
1964 break;
1965
1966 default:
1967 return -EINVAL;
1968 }
1969
1970 return 0;
1971 }
1972
1973 /*
1974 * Process a device trap. This is called via schedule_work(), outside of
1975 * interrupt context, no locks held.
1976 */
1977 void
1978 prism54_process_trap(void *data)
1979 {
1980 struct islpci_mgmtframe *frame = data;
1981 struct net_device *ndev = frame->ndev;
1982 enum oid_num_t n = mgt_oidtonum(frame->header->oid);
1983
1984 if (n != OID_NUM_LAST)
1985 prism54_process_trap_helper(netdev_priv(ndev), n, frame->data);
1986 islpci_mgt_release(frame);
1987 }
1988
1989 int
1990 prism54_set_mac_address(struct net_device *ndev, void *addr)
1991 {
1992 islpci_private *priv = netdev_priv(ndev);
1993 int ret;
1994
1995 if (ndev->addr_len != 6)
1996 return -EINVAL;
1997 ret = mgt_set_request(priv, GEN_OID_MACADDRESS, 0,
1998 &((struct sockaddr *) addr)->sa_data);
1999 if (!ret)
2000 memcpy(priv->ndev->dev_addr,
2001 &((struct sockaddr *) addr)->sa_data, 6);
2002
2003 return ret;
2004 }
2005
2006 /* Note: currently, use hostapd ioctl from the Host AP driver for WPA
2007 * support. This is to be replaced with Linux wireless extensions once they
2008 * get WPA support. */
2009
2010 /* Note II: please leave all this together as it will be easier to remove later,
2011 * once wireless extensions add WPA support -mcgrof */
2012
2013 /* PRISM54_HOSTAPD ioctl() cmd: */
2014 enum {
2015 PRISM2_SET_ENCRYPTION = 6,
2016 PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12,
2017 PRISM2_HOSTAPD_MLME = 13,
2018 PRISM2_HOSTAPD_SCAN_REQ = 14,
2019 };
2020
2021 #define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12
2022 #define PRISM54_HOSTAPD SIOCIWFIRSTPRIV+25
2023 #define PRISM54_DROP_UNENCRYPTED SIOCIWFIRSTPRIV+26
2024
2025 #define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024
2026 #define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \
2027 ((int) (&((struct prism2_hostapd_param *) 0)->u.generic_elem.data))
2028
2029 /* Maximum length for algorithm names (-1 for nul termination)
2030 * used in ioctl() */
2031 #define HOSTAP_CRYPT_ALG_NAME_LEN 16
2032
2033 struct prism2_hostapd_param {
2034 u32 cmd;
2035 u8 sta_addr[ETH_ALEN];
2036 union {
2037 struct {
2038 u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN];
2039 u32 flags;
2040 u32 err;
2041 u8 idx;
2042 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
2043 u16 key_len;
2044 u8 key[0];
2045 } crypt;
2046 struct {
2047 u8 len;
2048 u8 data[0];
2049 } generic_elem;
2050 struct {
2051 #define MLME_STA_DEAUTH 0
2052 #define MLME_STA_DISASSOC 1
2053 u16 cmd;
2054 u16 reason_code;
2055 } mlme;
2056 struct {
2057 u8 ssid_len;
2058 u8 ssid[32];
2059 } scan_req;
2060 } u;
2061 };
2062
2063
2064 static int
2065 prism2_ioctl_set_encryption(struct net_device *dev,
2066 struct prism2_hostapd_param *param,
2067 int param_len)
2068 {
2069 islpci_private *priv = netdev_priv(dev);
2070 int rvalue = 0, force = 0;
2071 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
2072 union oid_res_t r;
2073
2074 /* with the new API, it's impossible to get a NULL pointer.
2075 * New version of iwconfig set the IW_ENCODE_NOKEY flag
2076 * when no key is given, but older versions don't. */
2077
2078 if (param->u.crypt.key_len > 0) {
2079 /* we have a key to set */
2080 int index = param->u.crypt.idx;
2081 int current_index;
2082 struct obj_key key = { DOT11_PRIV_TKIP, 0, "" };
2083
2084 /* get the current key index */
2085 rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
2086 current_index = r.u;
2087 /* Verify that the key is not marked as invalid */
2088 if (!(param->u.crypt.flags & IW_ENCODE_NOKEY)) {
2089 key.length = param->u.crypt.key_len > sizeof (param->u.crypt.key) ?
2090 sizeof (param->u.crypt.key) : param->u.crypt.key_len;
2091 memcpy(key.key, param->u.crypt.key, key.length);
2092 if (key.length == 32)
2093 /* we want WPA-PSK */
2094 key.type = DOT11_PRIV_TKIP;
2095 if ((index < 0) || (index > 3))
2096 /* no index provided use the current one */
2097 index = current_index;
2098
2099 /* now send the key to the card */
2100 rvalue |=
2101 mgt_set_request(priv, DOT11_OID_DEFKEYX, index,
2102 &key);
2103 }
2104 /*
2105 * If a valid key is set, encryption should be enabled
2106 * (user may turn it off later).
2107 * This is also how "iwconfig ethX key on" works
2108 */
2109 if ((index == current_index) && (key.length > 0))
2110 force = 1;
2111 } else {
2112 int index = (param->u.crypt.flags & IW_ENCODE_INDEX) - 1;
2113 if ((index >= 0) && (index <= 3)) {
2114 /* we want to set the key index */
2115 rvalue |=
2116 mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
2117 &index);
2118 } else {
2119 if (!param->u.crypt.flags & IW_ENCODE_MODE) {
2120 /* we cannot do anything. Complain. */
2121 return -EINVAL;
2122 }
2123 }
2124 }
2125 /* now read the flags */
2126 if (param->u.crypt.flags & IW_ENCODE_DISABLED) {
2127 /* Encoding disabled,
2128 * authen = DOT11_AUTH_OS;
2129 * invoke = 0;
2130 * exunencrypt = 0; */
2131 }
2132 if (param->u.crypt.flags & IW_ENCODE_OPEN)
2133 /* Encode but accept non-encoded packets. No auth */
2134 invoke = 1;
2135 if ((param->u.crypt.flags & IW_ENCODE_RESTRICTED) || force) {
2136 /* Refuse non-encoded packets. Auth */
2137 authen = DOT11_AUTH_BOTH;
2138 invoke = 1;
2139 exunencrypt = 1;
2140 }
2141 /* do the change if requested */
2142 if ((param->u.crypt.flags & IW_ENCODE_MODE) || force) {
2143 rvalue |=
2144 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
2145 rvalue |=
2146 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke);
2147 rvalue |=
2148 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
2149 &exunencrypt);
2150 }
2151 return rvalue;
2152 }
2153
2154 static int
2155 prism2_ioctl_set_generic_element(struct net_device *ndev,
2156 struct prism2_hostapd_param *param,
2157 int param_len)
2158 {
2159 islpci_private *priv = netdev_priv(ndev);
2160 int max_len, len, alen, ret=0;
2161 struct obj_attachment *attach;
2162
2163 len = param->u.generic_elem.len;
2164 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
2165 if (max_len < 0 || max_len < len)
2166 return -EINVAL;
2167
2168 alen = sizeof(*attach) + len;
2169 attach = kmalloc(alen, GFP_KERNEL);
2170 if (attach == NULL)
2171 return -ENOMEM;
2172
2173 memset(attach, 0, alen);
2174 #define WLAN_FC_TYPE_MGMT 0
2175 #define WLAN_FC_STYPE_ASSOC_REQ 0
2176 #define WLAN_FC_STYPE_REASSOC_REQ 2
2177
2178 /* Note: endianness is covered by mgt_set_varlen */
2179
2180 attach->type = (WLAN_FC_TYPE_MGMT << 2) |
2181 (WLAN_FC_STYPE_ASSOC_REQ << 4);
2182 attach->id = -1;
2183 attach->size = len;
2184 memcpy(attach->data, param->u.generic_elem.data, len);
2185
2186 ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len);
2187
2188 if (ret == 0) {
2189 attach->type = (WLAN_FC_TYPE_MGMT << 2) |
2190 (WLAN_FC_STYPE_REASSOC_REQ << 4);
2191
2192 ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len);
2193
2194 if (ret == 0)
2195 printk(KERN_DEBUG "%s: WPA IE Attachment was set\n",
2196 ndev->name);
2197 }
2198
2199 kfree(attach);
2200 return ret;
2201
2202 }
2203
2204 static int
2205 prism2_ioctl_mlme(struct net_device *dev, struct prism2_hostapd_param *param)
2206 {
2207 return -EOPNOTSUPP;
2208 }
2209
2210 static int
2211 prism2_ioctl_scan_req(struct net_device *ndev,
2212 struct prism2_hostapd_param *param)
2213 {
2214 islpci_private *priv = netdev_priv(ndev);
2215 int i, rvalue;
2216 struct obj_bsslist *bsslist;
2217 u32 noise = 0;
2218 char *extra = "";
2219 char *current_ev = "foo";
2220 union oid_res_t r;
2221
2222 if (islpci_get_state(priv) < PRV_STATE_INIT) {
2223 /* device is not ready, fail gently */
2224 return 0;
2225 }
2226
2227 /* first get the noise value. We will use it to report the link quality */
2228 rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
2229 noise = r.u;
2230
2231 /* Ask the device for a list of known bss. We can report at most
2232 * IW_MAX_AP=64 to the range struct. But the device won't repport anything
2233 * if you change the value of IWMAX_BSS=24.
2234 */
2235 rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r);
2236 bsslist = r.ptr;
2237
2238 /* ok now, scan the list and translate its info */
2239 for (i = 0; i < min(IW_MAX_AP, (int) bsslist->nr); i++)
2240 current_ev = prism54_translate_bss(ndev, current_ev,
2241 extra + IW_SCAN_MAX_DATA,
2242 &(bsslist->bsslist[i]),
2243 noise);
2244 kfree(bsslist);
2245
2246 return rvalue;
2247 }
2248
2249 static int
2250 prism54_hostapd(struct net_device *ndev, struct iw_point *p)
2251 {
2252 struct prism2_hostapd_param *param;
2253 int ret = 0;
2254 u32 uwrq;
2255
2256 printk(KERN_DEBUG "prism54_hostapd - len=%d\n", p->length);
2257 if (p->length < sizeof(struct prism2_hostapd_param) ||
2258 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
2259 return -EINVAL;
2260
2261 param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
2262 if (param == NULL)
2263 return -ENOMEM;
2264
2265 if (copy_from_user(param, p->pointer, p->length)) {
2266 kfree(param);
2267 return -EFAULT;
2268 }
2269
2270 switch (param->cmd) {
2271 case PRISM2_SET_ENCRYPTION:
2272 printk(KERN_DEBUG "%s: Caught WPA supplicant set encryption request\n",
2273 ndev->name);
2274 ret = prism2_ioctl_set_encryption(ndev, param, p->length);
2275 break;
2276 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
2277 printk(KERN_DEBUG "%s: Caught WPA supplicant set WPA IE request\n",
2278 ndev->name);
2279 ret = prism2_ioctl_set_generic_element(ndev, param,
2280 p->length);
2281 break;
2282 case PRISM2_HOSTAPD_MLME:
2283 printk(KERN_DEBUG "%s: Caught WPA supplicant MLME request\n",
2284 ndev->name);
2285 ret = prism2_ioctl_mlme(ndev, param);
2286 break;
2287 case PRISM2_HOSTAPD_SCAN_REQ:
2288 printk(KERN_DEBUG "%s: Caught WPA supplicant scan request\n",
2289 ndev->name);
2290 ret = prism2_ioctl_scan_req(ndev, param);
2291 break;
2292 case PRISM54_SET_WPA:
2293 printk(KERN_DEBUG "%s: Caught WPA supplicant wpa init request\n",
2294 ndev->name);
2295 uwrq = 1;
2296 ret = prism54_set_wpa(ndev, NULL, &uwrq, NULL);
2297 break;
2298 case PRISM54_DROP_UNENCRYPTED:
2299 printk(KERN_DEBUG "%s: Caught WPA drop unencrypted request\n",
2300 ndev->name);
2301 #if 0
2302 uwrq = 0x01;
2303 mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &uwrq);
2304 down_write(&priv->mib_sem);
2305 mgt_commit(priv);
2306 up_write(&priv->mib_sem);
2307 #endif
2308 /* Not necessary, as set_wpa does it, should we just do it here though? */
2309 ret = 0;
2310 break;
2311 default:
2312 printk(KERN_DEBUG "%s: Caught a WPA supplicant request that is not supported\n",
2313 ndev->name);
2314 ret = -EOPNOTSUPP;
2315 break;
2316 }
2317
2318 if (ret == 0 && copy_to_user(p->pointer, param, p->length))
2319 ret = -EFAULT;
2320
2321 kfree(param);
2322
2323 return ret;
2324 }
2325
2326 static int
2327 prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info,
2328 __u32 * uwrq, char *extra)
2329 {
2330 islpci_private *priv = netdev_priv(ndev);
2331 u32 mlme, authen, dot1x, filter, wep;
2332
2333 if (islpci_get_state(priv) < PRV_STATE_INIT)
2334 return 0;
2335
2336 wep = 1; /* For privacy invoked */
2337 filter = 1; /* Filter out all unencrypted frames */
2338 dot1x = 0x01; /* To enable eap filter */
2339 mlme = DOT11_MLME_EXTENDED;
2340 authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */
2341
2342 down_write(&priv->mib_sem);
2343 priv->wpa = *uwrq;
2344
2345 switch (priv->wpa) {
2346 default:
2347 case 0: /* Clears/disables WPA and friends */
2348 wep = 0;
2349 filter = 0; /* Do not filter un-encrypted data */
2350 dot1x = 0;
2351 mlme = DOT11_MLME_AUTO;
2352 printk("%s: Disabling WPA\n", ndev->name);
2353 break;
2354 case 2:
2355 case 1: /* WPA */
2356 printk("%s: Enabling WPA\n", ndev->name);
2357 break;
2358 }
2359 up_write(&priv->mib_sem);
2360
2361 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
2362 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &wep);
2363 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, &filter);
2364 mgt_set_request(priv, DOT11_OID_DOT1XENABLE, 0, &dot1x);
2365 mgt_set_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, &mlme);
2366
2367 return 0;
2368 }
2369
2370 static int
2371 prism54_get_wpa(struct net_device *ndev, struct iw_request_info *info,
2372 __u32 * uwrq, char *extra)
2373 {
2374 islpci_private *priv = netdev_priv(ndev);
2375 *uwrq = priv->wpa;
2376 return 0;
2377 }
2378
2379 static int
2380 prism54_set_prismhdr(struct net_device *ndev, struct iw_request_info *info,
2381 __u32 * uwrq, char *extra)
2382 {
2383 islpci_private *priv = netdev_priv(ndev);
2384 priv->monitor_type =
2385 (*uwrq ? ARPHRD_IEEE80211_PRISM : ARPHRD_IEEE80211);
2386 if (priv->iw_mode == IW_MODE_MONITOR)
2387 priv->ndev->type = priv->monitor_type;
2388
2389 return 0;
2390 }
2391
2392 static int
2393 prism54_get_prismhdr(struct net_device *ndev, struct iw_request_info *info,
2394 __u32 * uwrq, char *extra)
2395 {
2396 islpci_private *priv = netdev_priv(ndev);
2397 *uwrq = (priv->monitor_type == ARPHRD_IEEE80211_PRISM);
2398 return 0;
2399 }
2400
2401 static int
2402 prism54_debug_oid(struct net_device *ndev, struct iw_request_info *info,
2403 __u32 * uwrq, char *extra)
2404 {
2405 islpci_private *priv = netdev_priv(ndev);
2406
2407 priv->priv_oid = *uwrq;
2408 printk("%s: oid 0x%08X\n", ndev->name, *uwrq);
2409
2410 return 0;
2411 }
2412
2413 static int
2414 prism54_debug_get_oid(struct net_device *ndev, struct iw_request_info *info,
2415 struct iw_point *data, char *extra)
2416 {
2417 islpci_private *priv = netdev_priv(ndev);
2418 struct islpci_mgmtframe *response;
2419 int ret = -EIO;
2420
2421 printk("%s: get_oid 0x%08X\n", ndev->name, priv->priv_oid);
2422 data->length = 0;
2423
2424 if (islpci_get_state(priv) >= PRV_STATE_INIT) {
2425 ret =
2426 islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
2427 priv->priv_oid, extra, 256,
2428 &response);
2429 printk("%s: ret: %i\n", ndev->name, ret);
2430 if (ret || !response
2431 || response->header->operation == PIMFOR_OP_ERROR) {
2432 if (response) {
2433 islpci_mgt_release(response);
2434 }
2435 printk("%s: EIO\n", ndev->name);
2436 ret = -EIO;
2437 }
2438 if (!ret) {
2439 data->length = response->header->length;
2440 memcpy(extra, response->data, data->length);
2441 islpci_mgt_release(response);
2442 printk("%s: len: %i\n", ndev->name, data->length);
2443 }
2444 }
2445
2446 return ret;
2447 }
2448
2449 static int
2450 prism54_debug_set_oid(struct net_device *ndev, struct iw_request_info *info,
2451 struct iw_point *data, char *extra)
2452 {
2453 islpci_private *priv = netdev_priv(ndev);
2454 struct islpci_mgmtframe *response;
2455 int ret = 0, response_op = PIMFOR_OP_ERROR;
2456
2457 printk("%s: set_oid 0x%08X\tlen: %d\n", ndev->name, priv->priv_oid,
2458 data->length);
2459
2460 if (islpci_get_state(priv) >= PRV_STATE_INIT) {
2461 ret =
2462 islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
2463 priv->priv_oid, extra, data->length,
2464 &response);
2465 printk("%s: ret: %i\n", ndev->name, ret);
2466 if (ret || !response
2467 || response->header->operation == PIMFOR_OP_ERROR) {
2468 if (response) {
2469 islpci_mgt_release(response);
2470 }
2471 printk("%s: EIO\n", ndev->name);
2472 ret = -EIO;
2473 }
2474 if (!ret) {
2475 response_op = response->header->operation;
2476 printk("%s: response_op: %i\n", ndev->name,
2477 response_op);
2478 islpci_mgt_release(response);
2479 }
2480 }
2481
2482 return (ret ? ret : -EINPROGRESS);
2483 }
2484
2485 static int
2486 prism54_set_spy(struct net_device *ndev,
2487 struct iw_request_info *info,
2488 union iwreq_data *uwrq, char *extra)
2489 {
2490 islpci_private *priv = netdev_priv(ndev);
2491 u32 u, oid = OID_INL_CONFIG;
2492
2493 down_write(&priv->mib_sem);
2494 mgt_get(priv, OID_INL_CONFIG, &u);
2495
2496 if ((uwrq->data.length == 0) && (priv->spy_data.spy_number > 0))
2497 /* disable spy */
2498 u &= ~INL_CONFIG_RXANNEX;
2499 else if ((uwrq->data.length > 0) && (priv->spy_data.spy_number == 0))
2500 /* enable spy */
2501 u |= INL_CONFIG_RXANNEX;
2502
2503 mgt_set(priv, OID_INL_CONFIG, &u);
2504 mgt_commit_list(priv, &oid, 1);
2505 up_write(&priv->mib_sem);
2506
2507 return iw_handler_set_spy(ndev, info, uwrq, extra);
2508 }
2509
2510 static const iw_handler prism54_handler[] = {
2511 (iw_handler) prism54_commit, /* SIOCSIWCOMMIT */
2512 (iw_handler) prism54_get_name, /* SIOCGIWNAME */
2513 (iw_handler) NULL, /* SIOCSIWNWID */
2514 (iw_handler) NULL, /* SIOCGIWNWID */
2515 (iw_handler) prism54_set_freq, /* SIOCSIWFREQ */
2516 (iw_handler) prism54_get_freq, /* SIOCGIWFREQ */
2517 (iw_handler) prism54_set_mode, /* SIOCSIWMODE */
2518 (iw_handler) prism54_get_mode, /* SIOCGIWMODE */
2519 (iw_handler) prism54_set_sens, /* SIOCSIWSENS */
2520 (iw_handler) prism54_get_sens, /* SIOCGIWSENS */
2521 (iw_handler) NULL, /* SIOCSIWRANGE */
2522 (iw_handler) prism54_get_range, /* SIOCGIWRANGE */
2523 (iw_handler) NULL, /* SIOCSIWPRIV */
2524 (iw_handler) NULL, /* SIOCGIWPRIV */
2525 (iw_handler) NULL, /* SIOCSIWSTATS */
2526 (iw_handler) NULL, /* SIOCGIWSTATS */
2527 prism54_set_spy, /* SIOCSIWSPY */
2528 iw_handler_get_spy, /* SIOCGIWSPY */
2529 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2530 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2531 (iw_handler) prism54_set_wap, /* SIOCSIWAP */
2532 (iw_handler) prism54_get_wap, /* SIOCGIWAP */
2533 (iw_handler) NULL, /* -- hole -- */
2534 (iw_handler) NULL, /* SIOCGIWAPLIST depreciated */
2535 (iw_handler) prism54_set_scan, /* SIOCSIWSCAN */
2536 (iw_handler) prism54_get_scan, /* SIOCGIWSCAN */
2537 (iw_handler) prism54_set_essid, /* SIOCSIWESSID */
2538 (iw_handler) prism54_get_essid, /* SIOCGIWESSID */
2539 (iw_handler) prism54_set_nick, /* SIOCSIWNICKN */
2540 (iw_handler) prism54_get_nick, /* SIOCGIWNICKN */
2541 (iw_handler) NULL, /* -- hole -- */
2542 (iw_handler) NULL, /* -- hole -- */
2543 (iw_handler) prism54_set_rate, /* SIOCSIWRATE */
2544 (iw_handler) prism54_get_rate, /* SIOCGIWRATE */
2545 (iw_handler) prism54_set_rts, /* SIOCSIWRTS */
2546 (iw_handler) prism54_get_rts, /* SIOCGIWRTS */
2547 (iw_handler) prism54_set_frag, /* SIOCSIWFRAG */
2548 (iw_handler) prism54_get_frag, /* SIOCGIWFRAG */
2549 (iw_handler) prism54_set_txpower, /* SIOCSIWTXPOW */
2550 (iw_handler) prism54_get_txpower, /* SIOCGIWTXPOW */
2551 (iw_handler) prism54_set_retry, /* SIOCSIWRETRY */
2552 (iw_handler) prism54_get_retry, /* SIOCGIWRETRY */
2553 (iw_handler) prism54_set_encode, /* SIOCSIWENCODE */
2554 (iw_handler) prism54_get_encode, /* SIOCGIWENCODE */
2555 (iw_handler) NULL, /* SIOCSIWPOWER */
2556 (iw_handler) NULL, /* SIOCGIWPOWER */
2557 };
2558
2559 /* The low order bit identify a SET (0) or a GET (1) ioctl. */
2560
2561 #define PRISM54_RESET SIOCIWFIRSTPRIV
2562 #define PRISM54_GET_POLICY SIOCIWFIRSTPRIV+1
2563 #define PRISM54_SET_POLICY SIOCIWFIRSTPRIV+2
2564 #define PRISM54_GET_MAC SIOCIWFIRSTPRIV+3
2565 #define PRISM54_ADD_MAC SIOCIWFIRSTPRIV+4
2566
2567 #define PRISM54_DEL_MAC SIOCIWFIRSTPRIV+6
2568
2569 #define PRISM54_KICK_MAC SIOCIWFIRSTPRIV+8
2570
2571 #define PRISM54_KICK_ALL SIOCIWFIRSTPRIV+10
2572
2573 #define PRISM54_GET_WPA SIOCIWFIRSTPRIV+11
2574 #define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12
2575
2576 #define PRISM54_DBG_OID SIOCIWFIRSTPRIV+14
2577 #define PRISM54_DBG_GET_OID SIOCIWFIRSTPRIV+15
2578 #define PRISM54_DBG_SET_OID SIOCIWFIRSTPRIV+16
2579
2580 #define PRISM54_GET_OID SIOCIWFIRSTPRIV+17
2581 #define PRISM54_SET_OID_U32 SIOCIWFIRSTPRIV+18
2582 #define PRISM54_SET_OID_STR SIOCIWFIRSTPRIV+20
2583 #define PRISM54_SET_OID_ADDR SIOCIWFIRSTPRIV+22
2584
2585 #define PRISM54_GET_PRISMHDR SIOCIWFIRSTPRIV+23
2586 #define PRISM54_SET_PRISMHDR SIOCIWFIRSTPRIV+24
2587
2588 #define IWPRIV_SET_U32(n,x) { n, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
2589 #define IWPRIV_SET_SSID(n,x) { n, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
2590 #define IWPRIV_SET_ADDR(n,x) { n, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
2591 #define IWPRIV_GET(n,x) { n, 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, "g_"x }
2592
2593 #define IWPRIV_U32(n,x) IWPRIV_SET_U32(n,x), IWPRIV_GET(n,x)
2594 #define IWPRIV_SSID(n,x) IWPRIV_SET_SSID(n,x), IWPRIV_GET(n,x)
2595 #define IWPRIV_ADDR(n,x) IWPRIV_SET_ADDR(n,x), IWPRIV_GET(n,x)
2596
2597 /* Note : limited to 128 private ioctls (wireless tools 26) */
2598
2599 static const struct iw_priv_args prism54_private_args[] = {
2600 /*{ cmd, set_args, get_args, name } */
2601 {PRISM54_RESET, 0, 0, "reset"},
2602 {PRISM54_GET_PRISMHDR, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2603 "get_prismhdr"},
2604 {PRISM54_SET_PRISMHDR, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
2605 "set_prismhdr"},
2606 {PRISM54_GET_POLICY, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2607 "getPolicy"},
2608 {PRISM54_SET_POLICY, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
2609 "setPolicy"},
2610 {PRISM54_GET_MAC, 0, IW_PRIV_TYPE_ADDR | 64, "getMac"},
2611 {PRISM54_ADD_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
2612 "addMac"},
2613 {PRISM54_DEL_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
2614 "delMac"},
2615 {PRISM54_KICK_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
2616 "kickMac"},
2617 {PRISM54_KICK_ALL, 0, 0, "kickAll"},
2618 {PRISM54_GET_WPA, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2619 "get_wpa"},
2620 {PRISM54_SET_WPA, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
2621 "set_wpa"},
2622 {PRISM54_DBG_OID, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
2623 "dbg_oid"},
2624 {PRISM54_DBG_GET_OID, 0, IW_PRIV_TYPE_BYTE | 256, "dbg_get_oid"},
2625 {PRISM54_DBG_SET_OID, IW_PRIV_TYPE_BYTE | 256, 0, "dbg_set_oid"},
2626 /* --- sub-ioctls handlers --- */
2627 {PRISM54_GET_OID,
2628 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, ""},
2629 {PRISM54_SET_OID_U32,
2630 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, ""},
2631 {PRISM54_SET_OID_STR,
2632 IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, ""},
2633 {PRISM54_SET_OID_ADDR,
2634 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, ""},
2635 /* --- sub-ioctls definitions --- */
2636 IWPRIV_ADDR(GEN_OID_MACADDRESS, "addr"),
2637 IWPRIV_GET(GEN_OID_LINKSTATE, "linkstate"),
2638 IWPRIV_U32(DOT11_OID_BSSTYPE, "bsstype"),
2639 IWPRIV_ADDR(DOT11_OID_BSSID, "bssid"),
2640 IWPRIV_U32(DOT11_OID_STATE, "state"),
2641 IWPRIV_U32(DOT11_OID_AID, "aid"),
2642
2643 IWPRIV_SSID(DOT11_OID_SSIDOVERRIDE, "ssidoverride"),
2644
2645 IWPRIV_U32(DOT11_OID_MEDIUMLIMIT, "medlimit"),
2646 IWPRIV_U32(DOT11_OID_BEACONPERIOD, "beacon"),
2647 IWPRIV_U32(DOT11_OID_DTIMPERIOD, "dtimperiod"),
2648
2649 IWPRIV_U32(DOT11_OID_AUTHENABLE, "authenable"),
2650 IWPRIV_U32(DOT11_OID_PRIVACYINVOKED, "privinvok"),
2651 IWPRIV_U32(DOT11_OID_EXUNENCRYPTED, "exunencrypt"),
2652
2653 IWPRIV_U32(DOT11_OID_REKEYTHRESHOLD, "rekeythresh"),
2654
2655 IWPRIV_U32(DOT11_OID_MAXTXLIFETIME, "maxtxlife"),
2656 IWPRIV_U32(DOT11_OID_MAXRXLIFETIME, "maxrxlife"),
2657 IWPRIV_U32(DOT11_OID_ALOFT_FIXEDRATE, "fixedrate"),
2658 IWPRIV_U32(DOT11_OID_MAXFRAMEBURST, "frameburst"),
2659 IWPRIV_U32(DOT11_OID_PSM, "psm"),
2660
2661 IWPRIV_U32(DOT11_OID_BRIDGELOCAL, "bridge"),
2662 IWPRIV_U32(DOT11_OID_CLIENTS, "clients"),
2663 IWPRIV_U32(DOT11_OID_CLIENTSASSOCIATED, "clientassoc"),
2664 IWPRIV_U32(DOT11_OID_DOT1XENABLE, "dot1xenable"),
2665 IWPRIV_U32(DOT11_OID_ANTENNARX, "rxant"),
2666 IWPRIV_U32(DOT11_OID_ANTENNATX, "txant"),
2667 IWPRIV_U32(DOT11_OID_ANTENNADIVERSITY, "antdivers"),
2668 IWPRIV_U32(DOT11_OID_EDTHRESHOLD, "edthresh"),
2669 IWPRIV_U32(DOT11_OID_PREAMBLESETTINGS, "preamble"),
2670 IWPRIV_GET(DOT11_OID_RATES, "rates"),
2671 IWPRIV_U32(DOT11_OID_OUTPUTPOWER, ".11outpower"),
2672 IWPRIV_GET(DOT11_OID_SUPPORTEDRATES, "supprates"),
2673 IWPRIV_GET(DOT11_OID_SUPPORTEDFREQUENCIES, "suppfreq"),
2674
2675 IWPRIV_U32(DOT11_OID_NOISEFLOOR, "noisefloor"),
2676 IWPRIV_GET(DOT11_OID_FREQUENCYACTIVITY, "freqactivity"),
2677 IWPRIV_U32(DOT11_OID_NONERPPROTECTION, "nonerpprotec"),
2678 IWPRIV_U32(DOT11_OID_PROFILES, "profile"),
2679 IWPRIV_GET(DOT11_OID_EXTENDEDRATES, "extrates"),
2680 IWPRIV_U32(DOT11_OID_MLMEAUTOLEVEL, "mlmelevel"),
2681
2682 IWPRIV_GET(DOT11_OID_BSSS, "bsss"),
2683 IWPRIV_GET(DOT11_OID_BSSLIST, "bsslist"),
2684 IWPRIV_U32(OID_INL_MODE, "mode"),
2685 IWPRIV_U32(OID_INL_CONFIG, "config"),
2686 IWPRIV_U32(OID_INL_DOT11D_CONFORMANCE, ".11dconform"),
2687 IWPRIV_GET(OID_INL_PHYCAPABILITIES, "phycapa"),
2688 IWPRIV_U32(OID_INL_OUTPUTPOWER, "outpower"),
2689 };
2690
2691 static const iw_handler prism54_private_handler[] = {
2692 (iw_handler) prism54_reset,
2693 (iw_handler) prism54_get_policy,
2694 (iw_handler) prism54_set_policy,
2695 (iw_handler) prism54_get_mac,
2696 (iw_handler) prism54_add_mac,
2697 (iw_handler) NULL,
2698 (iw_handler) prism54_del_mac,
2699 (iw_handler) NULL,
2700 (iw_handler) prism54_kick_mac,
2701 (iw_handler) NULL,
2702 (iw_handler) prism54_kick_all,
2703 (iw_handler) prism54_get_wpa,
2704 (iw_handler) prism54_set_wpa,
2705 (iw_handler) NULL,
2706 (iw_handler) prism54_debug_oid,
2707 (iw_handler) prism54_debug_get_oid,
2708 (iw_handler) prism54_debug_set_oid,
2709 (iw_handler) prism54_get_oid,
2710 (iw_handler) prism54_set_u32,
2711 (iw_handler) NULL,
2712 (iw_handler) prism54_set_raw,
2713 (iw_handler) NULL,
2714 (iw_handler) prism54_set_raw,
2715 (iw_handler) prism54_get_prismhdr,
2716 (iw_handler) prism54_set_prismhdr,
2717 };
2718
2719 const struct iw_handler_def prism54_handler_def = {
2720 .num_standard = sizeof (prism54_handler) / sizeof (iw_handler),
2721 .num_private = sizeof (prism54_private_handler) / sizeof (iw_handler),
2722 .num_private_args =
2723 sizeof (prism54_private_args) / sizeof (struct iw_priv_args),
2724 .standard = (iw_handler *) prism54_handler,
2725 .private = (iw_handler *) prism54_private_handler,
2726 .private_args = (struct iw_priv_args *) prism54_private_args,
2727 .get_wireless_stats = prism54_get_wireless_stats,
2728 };
2729
2730 /* For wpa_supplicant */
2731
2732 int
2733 prism54_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
2734 {
2735 struct iwreq *wrq = (struct iwreq *) rq;
2736 int ret = -1;
2737 switch (cmd) {
2738 case PRISM54_HOSTAPD:
2739 if (!capable(CAP_NET_ADMIN))
2740 return -EPERM;
2741 ret = prism54_hostapd(ndev, &wrq->u.data);
2742 return ret;
2743 }
2744 return -EOPNOTSUPP;
2745 }
Linux kernel - Deliverables
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