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Merge branch 'linux-2.6' into for-linus
[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / prism54 / isl_ioctl.c
1 /*
2 * Copyright (C) 2002 Intersil Americas Inc.
3 * (C) 2003,2004 Aurelien Alleaume <slts@free.fr>
4 * (C) 2003 Herbert Valerio Riedel <hvr@gnu.org>
5 * (C) 2003 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22 #include <linux/module.h>
23 #include <linux/kernel.h>
24 #include <linux/if_arp.h>
25 #include <linux/pci.h>
26
27 #include <asm/uaccess.h>
28
29 #include "prismcompat.h"
30 #include "isl_ioctl.h"
31 #include "islpci_mgt.h"
32 #include "isl_oid.h" /* additional types and defs for isl38xx fw */
33 #include "oid_mgt.h"
34
35 #include <net/iw_handler.h> /* New driver API */
36
37 #define KEY_SIZE_WEP104 13 /* 104/128-bit WEP keys */
38 #define KEY_SIZE_WEP40 5 /* 40/64-bit WEP keys */
39 /* KEY_SIZE_TKIP should match isl_oid.h, struct obj_key.key[] size */
40 #define KEY_SIZE_TKIP 32 /* TKIP keys */
41
42 static void prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid,
43 u8 *wpa_ie, size_t wpa_ie_len);
44 static size_t prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie);
45 static int prism54_set_wpa(struct net_device *, struct iw_request_info *,
46 __u32 *, char *);
47
48 /* In 500 kbps */
49 static const unsigned char scan_rate_list[] = { 2, 4, 11, 22,
50 12, 18, 24, 36,
51 48, 72, 96, 108 };
52
53 /**
54 * prism54_mib_mode_helper - MIB change mode helper function
55 * @mib: the &struct islpci_mib object to modify
56 * @iw_mode: new mode (%IW_MODE_*)
57 *
58 * This is a helper function, hence it does not lock. Make sure
59 * caller deals with locking *if* necessary. This function sets the
60 * mode-dependent mib values and does the mapping of the Linux
61 * Wireless API modes to Device firmware modes. It also checks for
62 * correct valid Linux wireless modes.
63 */
64 static int
65 prism54_mib_mode_helper(islpci_private *priv, u32 iw_mode)
66 {
67 u32 config = INL_CONFIG_MANUALRUN;
68 u32 mode, bsstype;
69
70 /* For now, just catch early the Repeater and Secondary modes here */
71 if (iw_mode == IW_MODE_REPEAT || iw_mode == IW_MODE_SECOND) {
72 printk(KERN_DEBUG
73 "%s(): Sorry, Repeater mode and Secondary mode "
74 "are not yet supported by this driver.\n", __FUNCTION__);
75 return -EINVAL;
76 }
77
78 priv->iw_mode = iw_mode;
79
80 switch (iw_mode) {
81 case IW_MODE_AUTO:
82 mode = INL_MODE_CLIENT;
83 bsstype = DOT11_BSSTYPE_ANY;
84 break;
85 case IW_MODE_ADHOC:
86 mode = INL_MODE_CLIENT;
87 bsstype = DOT11_BSSTYPE_IBSS;
88 break;
89 case IW_MODE_INFRA:
90 mode = INL_MODE_CLIENT;
91 bsstype = DOT11_BSSTYPE_INFRA;
92 break;
93 case IW_MODE_MASTER:
94 mode = INL_MODE_AP;
95 bsstype = DOT11_BSSTYPE_INFRA;
96 break;
97 case IW_MODE_MONITOR:
98 mode = INL_MODE_PROMISCUOUS;
99 bsstype = DOT11_BSSTYPE_ANY;
100 config |= INL_CONFIG_RXANNEX;
101 break;
102 default:
103 return -EINVAL;
104 }
105
106 if (init_wds)
107 config |= INL_CONFIG_WDS;
108 mgt_set(priv, DOT11_OID_BSSTYPE, &bsstype);
109 mgt_set(priv, OID_INL_CONFIG, &config);
110 mgt_set(priv, OID_INL_MODE, &mode);
111
112 return 0;
113 }
114
115 /**
116 * prism54_mib_init - fill MIB cache with defaults
117 *
118 * this function initializes the struct given as @mib with defaults,
119 * of which many are retrieved from the global module parameter
120 * variables.
121 */
122
123 void
124 prism54_mib_init(islpci_private *priv)
125 {
126 u32 channel, authen, wep, filter, dot1x, mlme, conformance, power, mode;
127 struct obj_buffer psm_buffer = {
128 .size = PSM_BUFFER_SIZE,
129 .addr = priv->device_psm_buffer
130 };
131
132 channel = CARD_DEFAULT_CHANNEL;
133 authen = CARD_DEFAULT_AUTHEN;
134 wep = CARD_DEFAULT_WEP;
135 filter = CARD_DEFAULT_FILTER; /* (0) Do not filter un-encrypted data */
136 dot1x = CARD_DEFAULT_DOT1X;
137 mlme = CARD_DEFAULT_MLME_MODE;
138 conformance = CARD_DEFAULT_CONFORMANCE;
139 power = 127;
140 mode = CARD_DEFAULT_IW_MODE;
141
142 mgt_set(priv, DOT11_OID_CHANNEL, &channel);
143 mgt_set(priv, DOT11_OID_AUTHENABLE, &authen);
144 mgt_set(priv, DOT11_OID_PRIVACYINVOKED, &wep);
145 mgt_set(priv, DOT11_OID_PSMBUFFER, &psm_buffer);
146 mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &filter);
147 mgt_set(priv, DOT11_OID_DOT1XENABLE, &dot1x);
148 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlme);
149 mgt_set(priv, OID_INL_DOT11D_CONFORMANCE, &conformance);
150 mgt_set(priv, OID_INL_OUTPUTPOWER, &power);
151
152 /* This sets all of the mode-dependent values */
153 prism54_mib_mode_helper(priv, mode);
154 }
155
156 /* this will be executed outside of atomic context thanks to
157 * schedule_work(), thus we can as well use sleeping semaphore
158 * locking */
159 void
160 prism54_update_stats(islpci_private *priv)
161 {
162 char *data;
163 int j;
164 struct obj_bss bss, *bss2;
165 union oid_res_t r;
166
167 if (down_interruptible(&priv->stats_sem))
168 return;
169
170 /* Noise floor.
171 * I'm not sure if the unit is dBm.
172 * Note : If we are not connected, this value seems to be irrelevant. */
173
174 mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
175 priv->local_iwstatistics.qual.noise = r.u;
176
177 /* Get the rssi of the link. To do this we need to retrieve a bss. */
178
179 /* First get the MAC address of the AP we are associated with. */
180 mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r);
181 data = r.ptr;
182
183 /* copy this MAC to the bss */
184 memcpy(bss.address, data, 6);
185 kfree(data);
186
187 /* now ask for the corresponding bss */
188 j = mgt_get_request(priv, DOT11_OID_BSSFIND, 0, (void *) &bss, &r);
189 bss2 = r.ptr;
190 /* report the rssi and use it to calculate
191 * link quality through a signal-noise
192 * ratio */
193 priv->local_iwstatistics.qual.level = bss2->rssi;
194 priv->local_iwstatistics.qual.qual =
195 bss2->rssi - priv->iwstatistics.qual.noise;
196
197 kfree(bss2);
198
199 /* report that the stats are new */
200 priv->local_iwstatistics.qual.updated = 0x7;
201
202 /* Rx : unable to decrypt the MPDU */
203 mgt_get_request(priv, DOT11_OID_PRIVRXFAILED, 0, NULL, &r);
204 priv->local_iwstatistics.discard.code = r.u;
205
206 /* Tx : Max MAC retries num reached */
207 mgt_get_request(priv, DOT11_OID_MPDUTXFAILED, 0, NULL, &r);
208 priv->local_iwstatistics.discard.retries = r.u;
209
210 up(&priv->stats_sem);
211
212 return;
213 }
214
215 struct iw_statistics *
216 prism54_get_wireless_stats(struct net_device *ndev)
217 {
218 islpci_private *priv = netdev_priv(ndev);
219
220 /* If the stats are being updated return old data */
221 if (down_trylock(&priv->stats_sem) == 0) {
222 memcpy(&priv->iwstatistics, &priv->local_iwstatistics,
223 sizeof (struct iw_statistics));
224 /* They won't be marked updated for the next time */
225 priv->local_iwstatistics.qual.updated = 0;
226 up(&priv->stats_sem);
227 } else
228 priv->iwstatistics.qual.updated = 0;
229
230 /* Update our wireless stats, but do not schedule to often
231 * (max 1 HZ) */
232 if ((priv->stats_timestamp == 0) ||
233 time_after(jiffies, priv->stats_timestamp + 1 * HZ)) {
234 schedule_work(&priv->stats_work);
235 priv->stats_timestamp = jiffies;
236 }
237
238 return &priv->iwstatistics;
239 }
240
241 static int
242 prism54_commit(struct net_device *ndev, struct iw_request_info *info,
243 char *cwrq, char *extra)
244 {
245 islpci_private *priv = netdev_priv(ndev);
246
247 /* simply re-set the last set SSID, this should commit most stuff */
248
249 /* Commit in Monitor mode is not necessary, also setting essid
250 * in Monitor mode does not make sense and isn't allowed for this
251 * device's firmware */
252 if (priv->iw_mode != IW_MODE_MONITOR)
253 return mgt_set_request(priv, DOT11_OID_SSID, 0, NULL);
254 return 0;
255 }
256
257 static int
258 prism54_get_name(struct net_device *ndev, struct iw_request_info *info,
259 char *cwrq, char *extra)
260 {
261 islpci_private *priv = netdev_priv(ndev);
262 char *capabilities;
263 union oid_res_t r;
264 int rvalue;
265
266 if (islpci_get_state(priv) < PRV_STATE_INIT) {
267 strncpy(cwrq, "NOT READY!", IFNAMSIZ);
268 return 0;
269 }
270 rvalue = mgt_get_request(priv, OID_INL_PHYCAPABILITIES, 0, NULL, &r);
271
272 switch (r.u) {
273 case INL_PHYCAP_5000MHZ:
274 capabilities = "IEEE 802.11a/b/g";
275 break;
276 case INL_PHYCAP_FAA:
277 capabilities = "IEEE 802.11b/g - FAA Support";
278 break;
279 case INL_PHYCAP_2400MHZ:
280 default:
281 capabilities = "IEEE 802.11b/g"; /* Default */
282 break;
283 }
284 strncpy(cwrq, capabilities, IFNAMSIZ);
285 return rvalue;
286 }
287
288 static int
289 prism54_set_freq(struct net_device *ndev, struct iw_request_info *info,
290 struct iw_freq *fwrq, char *extra)
291 {
292 islpci_private *priv = netdev_priv(ndev);
293 int rvalue;
294 u32 c;
295
296 if (fwrq->m < 1000)
297 /* we have a channel number */
298 c = fwrq->m;
299 else
300 c = (fwrq->e == 1) ? channel_of_freq(fwrq->m / 100000) : 0;
301
302 rvalue = c ? mgt_set_request(priv, DOT11_OID_CHANNEL, 0, &c) : -EINVAL;
303
304 /* Call commit handler */
305 return (rvalue ? rvalue : -EINPROGRESS);
306 }
307
308 static int
309 prism54_get_freq(struct net_device *ndev, struct iw_request_info *info,
310 struct iw_freq *fwrq, char *extra)
311 {
312 islpci_private *priv = netdev_priv(ndev);
313 union oid_res_t r;
314 int rvalue;
315
316 rvalue = mgt_get_request(priv, DOT11_OID_CHANNEL, 0, NULL, &r);
317 fwrq->i = r.u;
318 rvalue |= mgt_get_request(priv, DOT11_OID_FREQUENCY, 0, NULL, &r);
319 fwrq->m = r.u;
320 fwrq->e = 3;
321
322 return rvalue;
323 }
324
325 static int
326 prism54_set_mode(struct net_device *ndev, struct iw_request_info *info,
327 __u32 * uwrq, char *extra)
328 {
329 islpci_private *priv = netdev_priv(ndev);
330 u32 mlmeautolevel = CARD_DEFAULT_MLME_MODE;
331
332 /* Let's see if the user passed a valid Linux Wireless mode */
333 if (*uwrq > IW_MODE_MONITOR || *uwrq < IW_MODE_AUTO) {
334 printk(KERN_DEBUG
335 "%s: %s() You passed a non-valid init_mode.\n",
336 priv->ndev->name, __FUNCTION__);
337 return -EINVAL;
338 }
339
340 down_write(&priv->mib_sem);
341
342 if (prism54_mib_mode_helper(priv, *uwrq)) {
343 up_write(&priv->mib_sem);
344 return -EOPNOTSUPP;
345 }
346
347 /* the ACL code needs an intermediate mlmeautolevel. The wpa stuff an
348 * extended one.
349 */
350 if ((*uwrq == IW_MODE_MASTER) && (priv->acl.policy != MAC_POLICY_OPEN))
351 mlmeautolevel = DOT11_MLME_INTERMEDIATE;
352 if (priv->wpa)
353 mlmeautolevel = DOT11_MLME_EXTENDED;
354
355 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel);
356
357 if (mgt_commit(priv)) {
358 up_write(&priv->mib_sem);
359 return -EIO;
360 }
361 priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR)
362 ? priv->monitor_type : ARPHRD_ETHER;
363 up_write(&priv->mib_sem);
364
365 return 0;
366 }
367
368 /* Use mib cache */
369 static int
370 prism54_get_mode(struct net_device *ndev, struct iw_request_info *info,
371 __u32 * uwrq, char *extra)
372 {
373 islpci_private *priv = netdev_priv(ndev);
374
375 BUG_ON((priv->iw_mode < IW_MODE_AUTO) || (priv->iw_mode >
376 IW_MODE_MONITOR));
377 *uwrq = priv->iw_mode;
378
379 return 0;
380 }
381
382 /* we use DOT11_OID_EDTHRESHOLD. From what I guess the card will not try to
383 * emit data if (sensitivity > rssi - noise) (in dBm).
384 * prism54_set_sens does not seem to work.
385 */
386
387 static int
388 prism54_set_sens(struct net_device *ndev, struct iw_request_info *info,
389 struct iw_param *vwrq, char *extra)
390 {
391 islpci_private *priv = netdev_priv(ndev);
392 u32 sens;
393
394 /* by default the card sets this to 20. */
395 sens = vwrq->disabled ? 20 : vwrq->value;
396
397 return mgt_set_request(priv, DOT11_OID_EDTHRESHOLD, 0, &sens);
398 }
399
400 static int
401 prism54_get_sens(struct net_device *ndev, struct iw_request_info *info,
402 struct iw_param *vwrq, char *extra)
403 {
404 islpci_private *priv = netdev_priv(ndev);
405 union oid_res_t r;
406 int rvalue;
407
408 rvalue = mgt_get_request(priv, DOT11_OID_EDTHRESHOLD, 0, NULL, &r);
409
410 vwrq->value = r.u;
411 vwrq->disabled = (vwrq->value == 0);
412 vwrq->fixed = 1;
413
414 return rvalue;
415 }
416
417 static int
418 prism54_get_range(struct net_device *ndev, struct iw_request_info *info,
419 struct iw_point *dwrq, char *extra)
420 {
421 struct iw_range *range = (struct iw_range *) extra;
422 islpci_private *priv = netdev_priv(ndev);
423 u8 *data;
424 int i, m, rvalue;
425 struct obj_frequencies *freq;
426 union oid_res_t r;
427
428 memset(range, 0, sizeof (struct iw_range));
429 dwrq->length = sizeof (struct iw_range);
430
431 /* set the wireless extension version number */
432 range->we_version_source = SUPPORTED_WIRELESS_EXT;
433 range->we_version_compiled = WIRELESS_EXT;
434
435 /* Now the encoding capabilities */
436 range->num_encoding_sizes = 3;
437 /* 64(40) bits WEP */
438 range->encoding_size[0] = 5;
439 /* 128(104) bits WEP */
440 range->encoding_size[1] = 13;
441 /* 256 bits for WPA-PSK */
442 range->encoding_size[2] = 32;
443 /* 4 keys are allowed */
444 range->max_encoding_tokens = 4;
445
446 /* we don't know the quality range... */
447 range->max_qual.level = 0;
448 range->max_qual.noise = 0;
449 range->max_qual.qual = 0;
450 /* these value describe an average quality. Needs more tweaking... */
451 range->avg_qual.level = -80; /* -80 dBm */
452 range->avg_qual.noise = 0; /* don't know what to put here */
453 range->avg_qual.qual = 0;
454
455 range->sensitivity = 200;
456
457 /* retry limit capabilities */
458 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
459 range->retry_flags = IW_RETRY_LIMIT;
460 range->r_time_flags = IW_RETRY_LIFETIME;
461
462 /* I don't know the range. Put stupid things here */
463 range->min_retry = 1;
464 range->max_retry = 65535;
465 range->min_r_time = 1024;
466 range->max_r_time = 65535 * 1024;
467
468 /* txpower is supported in dBm's */
469 range->txpower_capa = IW_TXPOW_DBM;
470
471 /* Event capability (kernel + driver) */
472 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
473 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
474 IW_EVENT_CAPA_MASK(SIOCGIWAP));
475 range->event_capa[1] = IW_EVENT_CAPA_K_1;
476 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVCUSTOM);
477
478 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
479 IW_ENC_CAPA_CIPHER_TKIP;
480
481 if (islpci_get_state(priv) < PRV_STATE_INIT)
482 return 0;
483
484 /* Request the device for the supported frequencies
485 * not really relevant since some devices will report the 5 GHz band
486 * frequencies even if they don't support them.
487 */
488 rvalue =
489 mgt_get_request(priv, DOT11_OID_SUPPORTEDFREQUENCIES, 0, NULL, &r);
490 freq = r.ptr;
491
492 range->num_channels = freq->nr;
493 range->num_frequency = freq->nr;
494
495 m = min(IW_MAX_FREQUENCIES, (int) freq->nr);
496 for (i = 0; i < m; i++) {
497 range->freq[i].m = freq->mhz[i];
498 range->freq[i].e = 6;
499 range->freq[i].i = channel_of_freq(freq->mhz[i]);
500 }
501 kfree(freq);
502
503 rvalue |= mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r);
504 data = r.ptr;
505
506 /* We got an array of char. It is NULL terminated. */
507 i = 0;
508 while ((i < IW_MAX_BITRATES) && (*data != 0)) {
509 /* the result must be in bps. The card gives us 500Kbps */
510 range->bitrate[i] = *data * 500000;
511 i++;
512 data++;
513 }
514 range->num_bitrates = i;
515 kfree(r.ptr);
516
517 return rvalue;
518 }
519
520 /* Set AP address*/
521
522 static int
523 prism54_set_wap(struct net_device *ndev, struct iw_request_info *info,
524 struct sockaddr *awrq, char *extra)
525 {
526 islpci_private *priv = netdev_priv(ndev);
527 char bssid[6];
528 int rvalue;
529
530 if (awrq->sa_family != ARPHRD_ETHER)
531 return -EINVAL;
532
533 /* prepare the structure for the set object */
534 memcpy(&bssid[0], awrq->sa_data, 6);
535
536 /* set the bssid -- does this make sense when in AP mode? */
537 rvalue = mgt_set_request(priv, DOT11_OID_BSSID, 0, &bssid);
538
539 return (rvalue ? rvalue : -EINPROGRESS); /* Call commit handler */
540 }
541
542 /* get AP address*/
543
544 static int
545 prism54_get_wap(struct net_device *ndev, struct iw_request_info *info,
546 struct sockaddr *awrq, char *extra)
547 {
548 islpci_private *priv = netdev_priv(ndev);
549 union oid_res_t r;
550 int rvalue;
551
552 rvalue = mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r);
553 memcpy(awrq->sa_data, r.ptr, 6);
554 awrq->sa_family = ARPHRD_ETHER;
555 kfree(r.ptr);
556
557 return rvalue;
558 }
559
560 static int
561 prism54_set_scan(struct net_device *dev, struct iw_request_info *info,
562 struct iw_param *vwrq, char *extra)
563 {
564 /* hehe the device does this automagicaly */
565 return 0;
566 }
567
568 /* a little helper that will translate our data into a card independent
569 * format that the Wireless Tools will understand. This was inspired by
570 * the "Aironet driver for 4500 and 4800 series cards" (GPL)
571 */
572
573 static char *
574 prism54_translate_bss(struct net_device *ndev, char *current_ev,
575 char *end_buf, struct obj_bss *bss, char noise)
576 {
577 struct iw_event iwe; /* Temporary buffer */
578 short cap;
579 islpci_private *priv = netdev_priv(ndev);
580 u8 wpa_ie[MAX_WPA_IE_LEN];
581 size_t wpa_ie_len;
582
583 /* The first entry must be the MAC address */
584 memcpy(iwe.u.ap_addr.sa_data, bss->address, 6);
585 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
586 iwe.cmd = SIOCGIWAP;
587 current_ev =
588 iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
589
590 /* The following entries will be displayed in the same order we give them */
591
592 /* The ESSID. */
593 iwe.u.data.length = bss->ssid.length;
594 iwe.u.data.flags = 1;
595 iwe.cmd = SIOCGIWESSID;
596 current_ev = iwe_stream_add_point(current_ev, end_buf,
597 &iwe, bss->ssid.octets);
598
599 /* Capabilities */
600 #define CAP_ESS 0x01
601 #define CAP_IBSS 0x02
602 #define CAP_CRYPT 0x10
603
604 /* Mode */
605 cap = bss->capinfo;
606 iwe.u.mode = 0;
607 if (cap & CAP_ESS)
608 iwe.u.mode = IW_MODE_MASTER;
609 else if (cap & CAP_IBSS)
610 iwe.u.mode = IW_MODE_ADHOC;
611 iwe.cmd = SIOCGIWMODE;
612 if (iwe.u.mode)
613 current_ev =
614 iwe_stream_add_event(current_ev, end_buf, &iwe,
615 IW_EV_UINT_LEN);
616
617 /* Encryption capability */
618 if (cap & CAP_CRYPT)
619 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
620 else
621 iwe.u.data.flags = IW_ENCODE_DISABLED;
622 iwe.u.data.length = 0;
623 iwe.cmd = SIOCGIWENCODE;
624 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, NULL);
625
626 /* Add frequency. (short) bss->channel is the frequency in MHz */
627 iwe.u.freq.m = bss->channel;
628 iwe.u.freq.e = 6;
629 iwe.cmd = SIOCGIWFREQ;
630 current_ev =
631 iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
632
633 /* Add quality statistics */
634 iwe.u.qual.level = bss->rssi;
635 iwe.u.qual.noise = noise;
636 /* do a simple SNR for quality */
637 iwe.u.qual.qual = bss->rssi - noise;
638 iwe.cmd = IWEVQUAL;
639 current_ev =
640 iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
641
642 /* Add WPA/RSN Information Element, if any */
643 wpa_ie_len = prism54_wpa_bss_ie_get(priv, bss->address, wpa_ie);
644 if (wpa_ie_len > 0) {
645 iwe.cmd = IWEVGENIE;
646 iwe.u.data.length = min(wpa_ie_len, (size_t)MAX_WPA_IE_LEN);
647 current_ev = iwe_stream_add_point(current_ev, end_buf,
648 &iwe, wpa_ie);
649 }
650 /* Do the bitrates */
651 {
652 char * current_val = current_ev + IW_EV_LCP_LEN;
653 int i;
654 int mask;
655
656 iwe.cmd = SIOCGIWRATE;
657 /* Those two flags are ignored... */
658 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
659
660 /* Parse the bitmask */
661 mask = 0x1;
662 for(i = 0; i < sizeof(scan_rate_list); i++) {
663 if(bss->rates & mask) {
664 iwe.u.bitrate.value = (scan_rate_list[i] * 500000);
665 current_val = iwe_stream_add_value(current_ev, current_val,
666 end_buf, &iwe,
667 IW_EV_PARAM_LEN);
668 }
669 mask <<= 1;
670 }
671 /* Check if we added any event */
672 if ((current_val - current_ev) > IW_EV_LCP_LEN)
673 current_ev = current_val;
674 }
675
676 return current_ev;
677 }
678
679 static int
680 prism54_get_scan(struct net_device *ndev, struct iw_request_info *info,
681 struct iw_point *dwrq, char *extra)
682 {
683 islpci_private *priv = netdev_priv(ndev);
684 int i, rvalue;
685 struct obj_bsslist *bsslist;
686 u32 noise = 0;
687 char *current_ev = extra;
688 union oid_res_t r;
689
690 if (islpci_get_state(priv) < PRV_STATE_INIT) {
691 /* device is not ready, fail gently */
692 dwrq->length = 0;
693 return 0;
694 }
695
696 /* first get the noise value. We will use it to report the link quality */
697 rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
698 noise = r.u;
699
700 /* Ask the device for a list of known bss.
701 * The old API, using SIOCGIWAPLIST, had a hard limit of IW_MAX_AP=64.
702 * The new API, using SIOCGIWSCAN, is only limited by the buffer size.
703 * WE-14->WE-16, the buffer is limited to IW_SCAN_MAX_DATA bytes.
704 * Starting with WE-17, the buffer can be as big as needed.
705 * But the device won't repport anything if you change the value
706 * of IWMAX_BSS=24. */
707
708 rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r);
709 bsslist = r.ptr;
710
711 /* ok now, scan the list and translate its info */
712 for (i = 0; i < (int) bsslist->nr; i++) {
713 current_ev = prism54_translate_bss(ndev, current_ev,
714 extra + dwrq->length,
715 &(bsslist->bsslist[i]),
716 noise);
717
718 /* Check if there is space for one more entry */
719 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
720 /* Ask user space to try again with a bigger buffer */
721 rvalue = -E2BIG;
722 break;
723 }
724 }
725
726 kfree(bsslist);
727 dwrq->length = (current_ev - extra);
728 dwrq->flags = 0; /* todo */
729
730 return rvalue;
731 }
732
733 static int
734 prism54_set_essid(struct net_device *ndev, struct iw_request_info *info,
735 struct iw_point *dwrq, char *extra)
736 {
737 islpci_private *priv = netdev_priv(ndev);
738 struct obj_ssid essid;
739
740 memset(essid.octets, 0, 33);
741
742 /* Check if we were asked for `any' */
743 if (dwrq->flags && dwrq->length) {
744 if (dwrq->length > 32)
745 return -E2BIG;
746 essid.length = dwrq->length;
747 memcpy(essid.octets, extra, dwrq->length);
748 } else
749 essid.length = 0;
750
751 if (priv->iw_mode != IW_MODE_MONITOR)
752 return mgt_set_request(priv, DOT11_OID_SSID, 0, &essid);
753
754 /* If in monitor mode, just save to mib */
755 mgt_set(priv, DOT11_OID_SSID, &essid);
756 return 0;
757
758 }
759
760 static int
761 prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
762 struct iw_point *dwrq, char *extra)
763 {
764 islpci_private *priv = netdev_priv(ndev);
765 struct obj_ssid *essid;
766 union oid_res_t r;
767 int rvalue;
768
769 rvalue = mgt_get_request(priv, DOT11_OID_SSID, 0, NULL, &r);
770 essid = r.ptr;
771
772 if (essid->length) {
773 dwrq->flags = 1; /* set ESSID to ON for Wireless Extensions */
774 /* if it is too big, trunk it */
775 dwrq->length = min((u8)IW_ESSID_MAX_SIZE, essid->length);
776 } else {
777 dwrq->flags = 0;
778 dwrq->length = 0;
779 }
780 essid->octets[essid->length] = '\0';
781 memcpy(extra, essid->octets, dwrq->length);
782 kfree(essid);
783
784 return rvalue;
785 }
786
787 /* Provides no functionality, just completes the ioctl. In essence this is a
788 * just a cosmetic ioctl.
789 */
790 static int
791 prism54_set_nick(struct net_device *ndev, struct iw_request_info *info,
792 struct iw_point *dwrq, char *extra)
793 {
794 islpci_private *priv = netdev_priv(ndev);
795
796 if (dwrq->length > IW_ESSID_MAX_SIZE)
797 return -E2BIG;
798
799 down_write(&priv->mib_sem);
800 memset(priv->nickname, 0, sizeof (priv->nickname));
801 memcpy(priv->nickname, extra, dwrq->length);
802 up_write(&priv->mib_sem);
803
804 return 0;
805 }
806
807 static int
808 prism54_get_nick(struct net_device *ndev, struct iw_request_info *info,
809 struct iw_point *dwrq, char *extra)
810 {
811 islpci_private *priv = netdev_priv(ndev);
812
813 dwrq->length = 0;
814
815 down_read(&priv->mib_sem);
816 dwrq->length = strlen(priv->nickname);
817 memcpy(extra, priv->nickname, dwrq->length);
818 up_read(&priv->mib_sem);
819
820 return 0;
821 }
822
823 /* Set the allowed Bitrates */
824
825 static int
826 prism54_set_rate(struct net_device *ndev,
827 struct iw_request_info *info,
828 struct iw_param *vwrq, char *extra)
829 {
830
831 islpci_private *priv = netdev_priv(ndev);
832 u32 rate, profile;
833 char *data;
834 int ret, i;
835 union oid_res_t r;
836
837 if (vwrq->value == -1) {
838 /* auto mode. No limit. */
839 profile = 1;
840 return mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile);
841 }
842
843 ret = mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r);
844 if (ret) {
845 kfree(r.ptr);
846 return ret;
847 }
848
849 rate = (u32) (vwrq->value / 500000);
850 data = r.ptr;
851 i = 0;
852
853 while (data[i]) {
854 if (rate && (data[i] == rate)) {
855 break;
856 }
857 if (vwrq->value == i) {
858 break;
859 }
860 data[i] |= 0x80;
861 i++;
862 }
863
864 if (!data[i]) {
865 kfree(r.ptr);
866 return -EINVAL;
867 }
868
869 data[i] |= 0x80;
870 data[i + 1] = 0;
871
872 /* Now, check if we want a fixed or auto value */
873 if (vwrq->fixed) {
874 data[0] = data[i];
875 data[1] = 0;
876 }
877
878 /*
879 i = 0;
880 printk("prism54 rate: ");
881 while(data[i]) {
882 printk("%u ", data[i]);
883 i++;
884 }
885 printk("0\n");
886 */
887 profile = -1;
888 ret = mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile);
889 ret |= mgt_set_request(priv, DOT11_OID_EXTENDEDRATES, 0, data);
890 ret |= mgt_set_request(priv, DOT11_OID_RATES, 0, data);
891
892 kfree(r.ptr);
893
894 return ret;
895 }
896
897 /* Get the current bit rate */
898 static int
899 prism54_get_rate(struct net_device *ndev,
900 struct iw_request_info *info,
901 struct iw_param *vwrq, char *extra)
902 {
903 islpci_private *priv = netdev_priv(ndev);
904 int rvalue;
905 char *data;
906 union oid_res_t r;
907
908 /* Get the current bit rate */
909 if ((rvalue = mgt_get_request(priv, GEN_OID_LINKSTATE, 0, NULL, &r)))
910 return rvalue;
911 vwrq->value = r.u * 500000;
912
913 /* request the device for the enabled rates */
914 rvalue = mgt_get_request(priv, DOT11_OID_RATES, 0, NULL, &r);
915 if (rvalue) {
916 kfree(r.ptr);
917 return rvalue;
918 }
919 data = r.ptr;
920 vwrq->fixed = (data[0] != 0) && (data[1] == 0);
921 kfree(r.ptr);
922
923 return 0;
924 }
925
926 static int
927 prism54_set_rts(struct net_device *ndev, struct iw_request_info *info,
928 struct iw_param *vwrq, char *extra)
929 {
930 islpci_private *priv = netdev_priv(ndev);
931
932 return mgt_set_request(priv, DOT11_OID_RTSTHRESH, 0, &vwrq->value);
933 }
934
935 static int
936 prism54_get_rts(struct net_device *ndev, struct iw_request_info *info,
937 struct iw_param *vwrq, char *extra)
938 {
939 islpci_private *priv = netdev_priv(ndev);
940 union oid_res_t r;
941 int rvalue;
942
943 /* get the rts threshold */
944 rvalue = mgt_get_request(priv, DOT11_OID_RTSTHRESH, 0, NULL, &r);
945 vwrq->value = r.u;
946
947 return rvalue;
948 }
949
950 static int
951 prism54_set_frag(struct net_device *ndev, struct iw_request_info *info,
952 struct iw_param *vwrq, char *extra)
953 {
954 islpci_private *priv = netdev_priv(ndev);
955
956 return mgt_set_request(priv, DOT11_OID_FRAGTHRESH, 0, &vwrq->value);
957 }
958
959 static int
960 prism54_get_frag(struct net_device *ndev, struct iw_request_info *info,
961 struct iw_param *vwrq, char *extra)
962 {
963 islpci_private *priv = netdev_priv(ndev);
964 union oid_res_t r;
965 int rvalue;
966
967 rvalue = mgt_get_request(priv, DOT11_OID_FRAGTHRESH, 0, NULL, &r);
968 vwrq->value = r.u;
969
970 return rvalue;
971 }
972
973 /* Here we have (min,max) = max retries for (small frames, big frames). Where
974 * big frame <=> bigger than the rts threshold
975 * small frame <=> smaller than the rts threshold
976 * This is not really the behavior expected by the wireless tool but it seems
977 * to be a common behavior in other drivers.
978 */
979
980 static int
981 prism54_set_retry(struct net_device *ndev, struct iw_request_info *info,
982 struct iw_param *vwrq, char *extra)
983 {
984 islpci_private *priv = netdev_priv(ndev);
985 u32 slimit = 0, llimit = 0; /* short and long limit */
986 u32 lifetime = 0;
987 int rvalue = 0;
988
989 if (vwrq->disabled)
990 /* we cannot disable this feature */
991 return -EINVAL;
992
993 if (vwrq->flags & IW_RETRY_LIMIT) {
994 if (vwrq->flags & IW_RETRY_SHORT)
995 slimit = vwrq->value;
996 else if (vwrq->flags & IW_RETRY_LONG)
997 llimit = vwrq->value;
998 else {
999 /* we are asked to set both */
1000 slimit = vwrq->value;
1001 llimit = vwrq->value;
1002 }
1003 }
1004 if (vwrq->flags & IW_RETRY_LIFETIME)
1005 /* Wireless tools use us unit while the device uses 1024 us unit */
1006 lifetime = vwrq->value / 1024;
1007
1008 /* now set what is requested */
1009 if (slimit)
1010 rvalue =
1011 mgt_set_request(priv, DOT11_OID_SHORTRETRIES, 0, &slimit);
1012 if (llimit)
1013 rvalue |=
1014 mgt_set_request(priv, DOT11_OID_LONGRETRIES, 0, &llimit);
1015 if (lifetime)
1016 rvalue |=
1017 mgt_set_request(priv, DOT11_OID_MAXTXLIFETIME, 0,
1018 &lifetime);
1019 return rvalue;
1020 }
1021
1022 static int
1023 prism54_get_retry(struct net_device *ndev, struct iw_request_info *info,
1024 struct iw_param *vwrq, char *extra)
1025 {
1026 islpci_private *priv = netdev_priv(ndev);
1027 union oid_res_t r;
1028 int rvalue = 0;
1029 vwrq->disabled = 0; /* It cannot be disabled */
1030
1031 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1032 /* we are asked for the life time */
1033 rvalue =
1034 mgt_get_request(priv, DOT11_OID_MAXTXLIFETIME, 0, NULL, &r);
1035 vwrq->value = r.u * 1024;
1036 vwrq->flags = IW_RETRY_LIFETIME;
1037 } else if ((vwrq->flags & IW_RETRY_LONG)) {
1038 /* we are asked for the long retry limit */
1039 rvalue |=
1040 mgt_get_request(priv, DOT11_OID_LONGRETRIES, 0, NULL, &r);
1041 vwrq->value = r.u;
1042 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1043 } else {
1044 /* default. get the short retry limit */
1045 rvalue |=
1046 mgt_get_request(priv, DOT11_OID_SHORTRETRIES, 0, NULL, &r);
1047 vwrq->value = r.u;
1048 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
1049 }
1050
1051 return rvalue;
1052 }
1053
1054 static int
1055 prism54_set_encode(struct net_device *ndev, struct iw_request_info *info,
1056 struct iw_point *dwrq, char *extra)
1057 {
1058 islpci_private *priv = netdev_priv(ndev);
1059 int rvalue = 0, force = 0;
1060 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
1061 union oid_res_t r;
1062
1063 /* with the new API, it's impossible to get a NULL pointer.
1064 * New version of iwconfig set the IW_ENCODE_NOKEY flag
1065 * when no key is given, but older versions don't. */
1066
1067 if (dwrq->length > 0) {
1068 /* we have a key to set */
1069 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1070 int current_index;
1071 struct obj_key key = { DOT11_PRIV_WEP, 0, "" };
1072
1073 /* get the current key index */
1074 rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1075 current_index = r.u;
1076 /* Verify that the key is not marked as invalid */
1077 if (!(dwrq->flags & IW_ENCODE_NOKEY)) {
1078 if (dwrq->length > KEY_SIZE_TKIP) {
1079 /* User-provided key data too big */
1080 return -EINVAL;
1081 }
1082 if (dwrq->length > KEY_SIZE_WEP104) {
1083 /* WPA-PSK TKIP */
1084 key.type = DOT11_PRIV_TKIP;
1085 key.length = KEY_SIZE_TKIP;
1086 } else if (dwrq->length > KEY_SIZE_WEP40) {
1087 /* WEP 104/128 */
1088 key.length = KEY_SIZE_WEP104;
1089 } else {
1090 /* WEP 40/64 */
1091 key.length = KEY_SIZE_WEP40;
1092 }
1093 memset(key.key, 0, sizeof (key.key));
1094 memcpy(key.key, extra, dwrq->length);
1095
1096 if ((index < 0) || (index > 3))
1097 /* no index provided use the current one */
1098 index = current_index;
1099
1100 /* now send the key to the card */
1101 rvalue |=
1102 mgt_set_request(priv, DOT11_OID_DEFKEYX, index,
1103 &key);
1104 }
1105 /*
1106 * If a valid key is set, encryption should be enabled
1107 * (user may turn it off later).
1108 * This is also how "iwconfig ethX key on" works
1109 */
1110 if ((index == current_index) && (key.length > 0))
1111 force = 1;
1112 } else {
1113 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1114 if ((index >= 0) && (index <= 3)) {
1115 /* we want to set the key index */
1116 rvalue |=
1117 mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
1118 &index);
1119 } else {
1120 if (!dwrq->flags & IW_ENCODE_MODE) {
1121 /* we cannot do anything. Complain. */
1122 return -EINVAL;
1123 }
1124 }
1125 }
1126 /* now read the flags */
1127 if (dwrq->flags & IW_ENCODE_DISABLED) {
1128 /* Encoding disabled,
1129 * authen = DOT11_AUTH_OS;
1130 * invoke = 0;
1131 * exunencrypt = 0; */
1132 }
1133 if (dwrq->flags & IW_ENCODE_OPEN)
1134 /* Encode but accept non-encoded packets. No auth */
1135 invoke = 1;
1136 if ((dwrq->flags & IW_ENCODE_RESTRICTED) || force) {
1137 /* Refuse non-encoded packets. Auth */
1138 authen = DOT11_AUTH_BOTH;
1139 invoke = 1;
1140 exunencrypt = 1;
1141 }
1142 /* do the change if requested */
1143 if ((dwrq->flags & IW_ENCODE_MODE) || force) {
1144 rvalue |=
1145 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
1146 rvalue |=
1147 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke);
1148 rvalue |=
1149 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
1150 &exunencrypt);
1151 }
1152 return rvalue;
1153 }
1154
1155 static int
1156 prism54_get_encode(struct net_device *ndev, struct iw_request_info *info,
1157 struct iw_point *dwrq, char *extra)
1158 {
1159 islpci_private *priv = netdev_priv(ndev);
1160 struct obj_key *key;
1161 u32 devindex, index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1162 u32 authen = 0, invoke = 0, exunencrypt = 0;
1163 int rvalue;
1164 union oid_res_t r;
1165
1166 /* first get the flags */
1167 rvalue = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1168 authen = r.u;
1169 rvalue |= mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1170 invoke = r.u;
1171 rvalue |= mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1172 exunencrypt = r.u;
1173
1174 if (invoke && (authen == DOT11_AUTH_BOTH) && exunencrypt)
1175 dwrq->flags = IW_ENCODE_RESTRICTED;
1176 else if ((authen == DOT11_AUTH_OS) && !exunencrypt) {
1177 if (invoke)
1178 dwrq->flags = IW_ENCODE_OPEN;
1179 else
1180 dwrq->flags = IW_ENCODE_DISABLED;
1181 } else
1182 /* The card should not work in this state */
1183 dwrq->flags = 0;
1184
1185 /* get the current device key index */
1186 rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1187 devindex = r.u;
1188 /* Now get the key, return it */
1189 if ((index < 0) || (index > 3))
1190 /* no index provided, use the current one */
1191 index = devindex;
1192 rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYX, index, NULL, &r);
1193 key = r.ptr;
1194 dwrq->length = key->length;
1195 memcpy(extra, key->key, dwrq->length);
1196 kfree(key);
1197 /* return the used key index */
1198 dwrq->flags |= devindex + 1;
1199
1200 return rvalue;
1201 }
1202
1203 static int
1204 prism54_get_txpower(struct net_device *ndev, struct iw_request_info *info,
1205 struct iw_param *vwrq, char *extra)
1206 {
1207 islpci_private *priv = netdev_priv(ndev);
1208 union oid_res_t r;
1209 int rvalue;
1210
1211 rvalue = mgt_get_request(priv, OID_INL_OUTPUTPOWER, 0, NULL, &r);
1212 /* intersil firmware operates in 0.25 dBm (1/4 dBm) */
1213 vwrq->value = (s32) r.u / 4;
1214 vwrq->fixed = 1;
1215 /* radio is not turned of
1216 * btw: how is possible to turn off only the radio
1217 */
1218 vwrq->disabled = 0;
1219
1220 return rvalue;
1221 }
1222
1223 static int
1224 prism54_set_txpower(struct net_device *ndev, struct iw_request_info *info,
1225 struct iw_param *vwrq, char *extra)
1226 {
1227 islpci_private *priv = netdev_priv(ndev);
1228 s32 u = vwrq->value;
1229
1230 /* intersil firmware operates in 0.25 dBm (1/4) */
1231 u *= 4;
1232 if (vwrq->disabled) {
1233 /* don't know how to disable radio */
1234 printk(KERN_DEBUG
1235 "%s: %s() disabling radio is not yet supported.\n",
1236 priv->ndev->name, __FUNCTION__);
1237 return -ENOTSUPP;
1238 } else if (vwrq->fixed)
1239 /* currently only fixed value is supported */
1240 return mgt_set_request(priv, OID_INL_OUTPUTPOWER, 0, &u);
1241 else {
1242 printk(KERN_DEBUG
1243 "%s: %s() auto power will be implemented later.\n",
1244 priv->ndev->name, __FUNCTION__);
1245 return -ENOTSUPP;
1246 }
1247 }
1248
1249 static int prism54_set_genie(struct net_device *ndev,
1250 struct iw_request_info *info,
1251 struct iw_point *data, char *extra)
1252 {
1253 islpci_private *priv = netdev_priv(ndev);
1254 int alen, ret = 0;
1255 struct obj_attachment *attach;
1256
1257 if (data->length > MAX_WPA_IE_LEN ||
1258 (data->length && extra == NULL))
1259 return -EINVAL;
1260
1261 memcpy(priv->wpa_ie, extra, data->length);
1262 priv->wpa_ie_len = data->length;
1263
1264 alen = sizeof(*attach) + priv->wpa_ie_len;
1265 attach = kzalloc(alen, GFP_KERNEL);
1266 if (attach == NULL)
1267 return -ENOMEM;
1268
1269 #define WLAN_FC_TYPE_MGMT 0
1270 #define WLAN_FC_STYPE_ASSOC_REQ 0
1271 #define WLAN_FC_STYPE_REASSOC_REQ 2
1272
1273 /* Note: endianness is covered by mgt_set_varlen */
1274 attach->type = (WLAN_FC_TYPE_MGMT << 2) |
1275 (WLAN_FC_STYPE_ASSOC_REQ << 4);
1276 attach->id = -1;
1277 attach->size = priv->wpa_ie_len;
1278 memcpy(attach->data, extra, priv->wpa_ie_len);
1279
1280 ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach,
1281 priv->wpa_ie_len);
1282 if (ret == 0) {
1283 attach->type = (WLAN_FC_TYPE_MGMT << 2) |
1284 (WLAN_FC_STYPE_REASSOC_REQ << 4);
1285
1286 ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach,
1287 priv->wpa_ie_len);
1288 if (ret == 0)
1289 printk(KERN_DEBUG "%s: WPA IE Attachment was set\n",
1290 ndev->name);
1291 }
1292
1293 kfree(attach);
1294 return ret;
1295 }
1296
1297
1298 static int prism54_get_genie(struct net_device *ndev,
1299 struct iw_request_info *info,
1300 struct iw_point *data, char *extra)
1301 {
1302 islpci_private *priv = netdev_priv(ndev);
1303 int len = priv->wpa_ie_len;
1304
1305 if (len <= 0) {
1306 data->length = 0;
1307 return 0;
1308 }
1309
1310 if (data->length < len)
1311 return -E2BIG;
1312
1313 data->length = len;
1314 memcpy(extra, priv->wpa_ie, len);
1315
1316 return 0;
1317 }
1318
1319 static int prism54_set_auth(struct net_device *ndev,
1320 struct iw_request_info *info,
1321 union iwreq_data *wrqu, char *extra)
1322 {
1323 islpci_private *priv = netdev_priv(ndev);
1324 struct iw_param *param = &wrqu->param;
1325 u32 mlmelevel = 0, authen = 0, dot1x = 0;
1326 u32 exunencrypt = 0, privinvoked = 0, wpa = 0;
1327 u32 old_wpa;
1328 int ret = 0;
1329 union oid_res_t r;
1330
1331 if (islpci_get_state(priv) < PRV_STATE_INIT)
1332 return 0;
1333
1334 /* first get the flags */
1335 down_write(&priv->mib_sem);
1336 wpa = old_wpa = priv->wpa;
1337 up_write(&priv->mib_sem);
1338 ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1339 authen = r.u;
1340 ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1341 privinvoked = r.u;
1342 ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1343 exunencrypt = r.u;
1344 ret = mgt_get_request(priv, DOT11_OID_DOT1XENABLE, 0, NULL, &r);
1345 dot1x = r.u;
1346 ret = mgt_get_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, NULL, &r);
1347 mlmelevel = r.u;
1348
1349 if (ret < 0)
1350 goto out;
1351
1352 switch (param->flags & IW_AUTH_INDEX) {
1353 case IW_AUTH_CIPHER_PAIRWISE:
1354 case IW_AUTH_CIPHER_GROUP:
1355 case IW_AUTH_KEY_MGMT:
1356 break;
1357
1358 case IW_AUTH_WPA_ENABLED:
1359 /* Do the same thing as IW_AUTH_WPA_VERSION */
1360 if (param->value) {
1361 wpa = 1;
1362 privinvoked = 1; /* For privacy invoked */
1363 exunencrypt = 1; /* Filter out all unencrypted frames */
1364 dot1x = 0x01; /* To enable eap filter */
1365 mlmelevel = DOT11_MLME_EXTENDED;
1366 authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */
1367 } else {
1368 wpa = 0;
1369 privinvoked = 0;
1370 exunencrypt = 0; /* Do not filter un-encrypted data */
1371 dot1x = 0;
1372 mlmelevel = DOT11_MLME_AUTO;
1373 }
1374 break;
1375
1376 case IW_AUTH_WPA_VERSION:
1377 if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
1378 wpa = 0;
1379 privinvoked = 0;
1380 exunencrypt = 0; /* Do not filter un-encrypted data */
1381 dot1x = 0;
1382 mlmelevel = DOT11_MLME_AUTO;
1383 } else {
1384 if (param->value & IW_AUTH_WPA_VERSION_WPA)
1385 wpa = 1;
1386 else if (param->value & IW_AUTH_WPA_VERSION_WPA2)
1387 wpa = 2;
1388 privinvoked = 1; /* For privacy invoked */
1389 exunencrypt = 1; /* Filter out all unencrypted frames */
1390 dot1x = 0x01; /* To enable eap filter */
1391 mlmelevel = DOT11_MLME_EXTENDED;
1392 authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */
1393 }
1394 break;
1395
1396 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1397 dot1x = param->value ? 1 : 0;
1398 break;
1399
1400 case IW_AUTH_PRIVACY_INVOKED:
1401 privinvoked = param->value ? 1 : 0;
1402
1403 case IW_AUTH_DROP_UNENCRYPTED:
1404 exunencrypt = param->value ? 1 : 0;
1405 break;
1406
1407 case IW_AUTH_80211_AUTH_ALG:
1408 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
1409 /* Only WEP uses _SK and _BOTH */
1410 if (wpa > 0) {
1411 ret = -EINVAL;
1412 goto out;
1413 }
1414 authen = DOT11_AUTH_SK;
1415 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1416 authen = DOT11_AUTH_OS;
1417 } else {
1418 ret = -EINVAL;
1419 goto out;
1420 }
1421 break;
1422
1423 default:
1424 return -EOPNOTSUPP;
1425 }
1426
1427 /* Set all the values */
1428 down_write(&priv->mib_sem);
1429 priv->wpa = wpa;
1430 up_write(&priv->mib_sem);
1431 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
1432 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &privinvoked);
1433 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, &exunencrypt);
1434 mgt_set_request(priv, DOT11_OID_DOT1XENABLE, 0, &dot1x);
1435 mgt_set_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, &mlmelevel);
1436
1437 out:
1438 return ret;
1439 }
1440
1441 static int prism54_get_auth(struct net_device *ndev,
1442 struct iw_request_info *info,
1443 union iwreq_data *wrqu, char *extra)
1444 {
1445 islpci_private *priv = netdev_priv(ndev);
1446 struct iw_param *param = &wrqu->param;
1447 u32 wpa = 0;
1448 int ret = 0;
1449 union oid_res_t r;
1450
1451 if (islpci_get_state(priv) < PRV_STATE_INIT)
1452 return 0;
1453
1454 /* first get the flags */
1455 down_write(&priv->mib_sem);
1456 wpa = priv->wpa;
1457 up_write(&priv->mib_sem);
1458
1459 switch (param->flags & IW_AUTH_INDEX) {
1460 case IW_AUTH_CIPHER_PAIRWISE:
1461 case IW_AUTH_CIPHER_GROUP:
1462 case IW_AUTH_KEY_MGMT:
1463 /*
1464 * wpa_supplicant will control these internally
1465 */
1466 ret = -EOPNOTSUPP;
1467 break;
1468
1469 case IW_AUTH_WPA_VERSION:
1470 switch (wpa) {
1471 case 1:
1472 param->value = IW_AUTH_WPA_VERSION_WPA;
1473 break;
1474 case 2:
1475 param->value = IW_AUTH_WPA_VERSION_WPA2;
1476 break;
1477 case 0:
1478 default:
1479 param->value = IW_AUTH_WPA_VERSION_DISABLED;
1480 break;
1481 }
1482 break;
1483
1484 case IW_AUTH_DROP_UNENCRYPTED:
1485 ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1486 if (ret >= 0)
1487 param->value = r.u > 0 ? 1 : 0;
1488 break;
1489
1490 case IW_AUTH_80211_AUTH_ALG:
1491 ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1492 if (ret >= 0) {
1493 switch (r.u) {
1494 case DOT11_AUTH_OS:
1495 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
1496 break;
1497 case DOT11_AUTH_BOTH:
1498 case DOT11_AUTH_SK:
1499 param->value = IW_AUTH_ALG_SHARED_KEY;
1500 case DOT11_AUTH_NONE:
1501 default:
1502 param->value = 0;
1503 break;
1504 }
1505 }
1506 break;
1507
1508 case IW_AUTH_WPA_ENABLED:
1509 param->value = wpa > 0 ? 1 : 0;
1510 break;
1511
1512 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1513 ret = mgt_get_request(priv, DOT11_OID_DOT1XENABLE, 0, NULL, &r);
1514 if (ret >= 0)
1515 param->value = r.u > 0 ? 1 : 0;
1516 break;
1517
1518 case IW_AUTH_PRIVACY_INVOKED:
1519 ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1520 if (ret >= 0)
1521 param->value = r.u > 0 ? 1 : 0;
1522 break;
1523
1524 default:
1525 return -EOPNOTSUPP;
1526 }
1527 return ret;
1528 }
1529
1530 static int prism54_set_encodeext(struct net_device *ndev,
1531 struct iw_request_info *info,
1532 union iwreq_data *wrqu,
1533 char *extra)
1534 {
1535 islpci_private *priv = netdev_priv(ndev);
1536 struct iw_point *encoding = &wrqu->encoding;
1537 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1538 int idx, alg = ext->alg, set_key = 1;
1539 union oid_res_t r;
1540 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
1541 int ret = 0;
1542
1543 if (islpci_get_state(priv) < PRV_STATE_INIT)
1544 return 0;
1545
1546 /* Determine and validate the key index */
1547 idx = (encoding->flags & IW_ENCODE_INDEX) - 1;
1548 if (idx) {
1549 if (idx < 0 || idx > 3)
1550 return -EINVAL;
1551 } else {
1552 ret = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1553 if (ret < 0)
1554 goto out;
1555 idx = r.u;
1556 }
1557
1558 if (encoding->flags & IW_ENCODE_DISABLED)
1559 alg = IW_ENCODE_ALG_NONE;
1560
1561 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
1562 /* Only set transmit key index here, actual
1563 * key is set below if needed.
1564 */
1565 ret = mgt_set_request(priv, DOT11_OID_DEFKEYID, 0, &idx);
1566 set_key = ext->key_len > 0 ? 1 : 0;
1567 }
1568
1569 if (set_key) {
1570 struct obj_key key = { DOT11_PRIV_WEP, 0, "" };
1571 switch (alg) {
1572 case IW_ENCODE_ALG_NONE:
1573 break;
1574 case IW_ENCODE_ALG_WEP:
1575 if (ext->key_len > KEY_SIZE_WEP104) {
1576 ret = -EINVAL;
1577 goto out;
1578 }
1579 if (ext->key_len > KEY_SIZE_WEP40)
1580 key.length = KEY_SIZE_WEP104;
1581 else
1582 key.length = KEY_SIZE_WEP40;
1583 break;
1584 case IW_ENCODE_ALG_TKIP:
1585 if (ext->key_len > KEY_SIZE_TKIP) {
1586 ret = -EINVAL;
1587 goto out;
1588 }
1589 key.type = DOT11_PRIV_TKIP;
1590 key.length = KEY_SIZE_TKIP;
1591 default:
1592 return -EINVAL;
1593 }
1594
1595 if (key.length) {
1596 memset(key.key, 0, sizeof(key.key));
1597 memcpy(key.key, ext->key, ext->key_len);
1598 ret = mgt_set_request(priv, DOT11_OID_DEFKEYX, idx,
1599 &key);
1600 if (ret < 0)
1601 goto out;
1602 }
1603 }
1604
1605 /* Read the flags */
1606 if (encoding->flags & IW_ENCODE_DISABLED) {
1607 /* Encoding disabled,
1608 * authen = DOT11_AUTH_OS;
1609 * invoke = 0;
1610 * exunencrypt = 0; */
1611 }
1612 if (encoding->flags & IW_ENCODE_OPEN) {
1613 /* Encode but accept non-encoded packets. No auth */
1614 invoke = 1;
1615 }
1616 if (encoding->flags & IW_ENCODE_RESTRICTED) {
1617 /* Refuse non-encoded packets. Auth */
1618 authen = DOT11_AUTH_BOTH;
1619 invoke = 1;
1620 exunencrypt = 1;
1621 }
1622
1623 /* do the change if requested */
1624 if (encoding->flags & IW_ENCODE_MODE) {
1625 ret = mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0,
1626 &authen);
1627 ret = mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0,
1628 &invoke);
1629 ret = mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
1630 &exunencrypt);
1631 }
1632
1633 out:
1634 return ret;
1635 }
1636
1637
1638 static int prism54_get_encodeext(struct net_device *ndev,
1639 struct iw_request_info *info,
1640 union iwreq_data *wrqu,
1641 char *extra)
1642 {
1643 islpci_private *priv = netdev_priv(ndev);
1644 struct iw_point *encoding = &wrqu->encoding;
1645 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1646 int idx, max_key_len;
1647 union oid_res_t r;
1648 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0, wpa = 0;
1649 int ret = 0;
1650
1651 if (islpci_get_state(priv) < PRV_STATE_INIT)
1652 return 0;
1653
1654 /* first get the flags */
1655 ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1656 authen = r.u;
1657 ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1658 invoke = r.u;
1659 ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1660 exunencrypt = r.u;
1661 if (ret < 0)
1662 goto out;
1663
1664 max_key_len = encoding->length - sizeof(*ext);
1665 if (max_key_len < 0)
1666 return -EINVAL;
1667
1668 idx = (encoding->flags & IW_ENCODE_INDEX) - 1;
1669 if (idx) {
1670 if (idx < 0 || idx > 3)
1671 return -EINVAL;
1672 } else {
1673 ret = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1674 if (ret < 0)
1675 goto out;
1676 idx = r.u;
1677 }
1678
1679 encoding->flags = idx + 1;
1680 memset(ext, 0, sizeof(*ext));
1681
1682 switch (authen) {
1683 case DOT11_AUTH_BOTH:
1684 case DOT11_AUTH_SK:
1685 wrqu->encoding.flags |= IW_ENCODE_RESTRICTED;
1686 case DOT11_AUTH_OS:
1687 default:
1688 wrqu->encoding.flags |= IW_ENCODE_OPEN;
1689 break;
1690 }
1691
1692 down_write(&priv->mib_sem);
1693 wpa = priv->wpa;
1694 up_write(&priv->mib_sem);
1695
1696 if (authen == DOT11_AUTH_OS && !exunencrypt && !invoke && !wpa) {
1697 /* No encryption */
1698 ext->alg = IW_ENCODE_ALG_NONE;
1699 ext->key_len = 0;
1700 wrqu->encoding.flags |= IW_ENCODE_DISABLED;
1701 } else {
1702 struct obj_key *key;
1703
1704 ret = mgt_get_request(priv, DOT11_OID_DEFKEYX, idx, NULL, &r);
1705 if (ret < 0)
1706 goto out;
1707 key = r.ptr;
1708 if (max_key_len < key->length) {
1709 ret = -E2BIG;
1710 goto out;
1711 }
1712 memcpy(ext->key, key->key, key->length);
1713 ext->key_len = key->length;
1714
1715 switch (key->type) {
1716 case DOT11_PRIV_TKIP:
1717 ext->alg = IW_ENCODE_ALG_TKIP;
1718 break;
1719 default:
1720 case DOT11_PRIV_WEP:
1721 ext->alg = IW_ENCODE_ALG_WEP;
1722 break;
1723 }
1724 wrqu->encoding.flags |= IW_ENCODE_ENABLED;
1725 }
1726
1727 out:
1728 return ret;
1729 }
1730
1731
1732 static int
1733 prism54_reset(struct net_device *ndev, struct iw_request_info *info,
1734 __u32 * uwrq, char *extra)
1735 {
1736 islpci_reset(netdev_priv(ndev), 0);
1737
1738 return 0;
1739 }
1740
1741 static int
1742 prism54_get_oid(struct net_device *ndev, struct iw_request_info *info,
1743 struct iw_point *dwrq, char *extra)
1744 {
1745 union oid_res_t r;
1746 int rvalue;
1747 enum oid_num_t n = dwrq->flags;
1748
1749 rvalue = mgt_get_request((islpci_private *) ndev->priv, n, 0, NULL, &r);
1750 dwrq->length = mgt_response_to_str(n, &r, extra);
1751 if ((isl_oid[n].flags & OID_FLAG_TYPE) != OID_TYPE_U32)
1752 kfree(r.ptr);
1753 return rvalue;
1754 }
1755
1756 static int
1757 prism54_set_u32(struct net_device *ndev, struct iw_request_info *info,
1758 __u32 * uwrq, char *extra)
1759 {
1760 u32 oid = uwrq[0], u = uwrq[1];
1761
1762 return mgt_set_request((islpci_private *) ndev->priv, oid, 0, &u);
1763 }
1764
1765 static int
1766 prism54_set_raw(struct net_device *ndev, struct iw_request_info *info,
1767 struct iw_point *dwrq, char *extra)
1768 {
1769 u32 oid = dwrq->flags;
1770
1771 return mgt_set_request((islpci_private *) ndev->priv, oid, 0, extra);
1772 }
1773
1774 void
1775 prism54_acl_init(struct islpci_acl *acl)
1776 {
1777 sema_init(&acl->sem, 1);
1778 INIT_LIST_HEAD(&acl->mac_list);
1779 acl->size = 0;
1780 acl->policy = MAC_POLICY_OPEN;
1781 }
1782
1783 static void
1784 prism54_clear_mac(struct islpci_acl *acl)
1785 {
1786 struct list_head *ptr, *next;
1787 struct mac_entry *entry;
1788
1789 if (down_interruptible(&acl->sem))
1790 return;
1791
1792 if (acl->size == 0) {
1793 up(&acl->sem);
1794 return;
1795 }
1796
1797 for (ptr = acl->mac_list.next, next = ptr->next;
1798 ptr != &acl->mac_list; ptr = next, next = ptr->next) {
1799 entry = list_entry(ptr, struct mac_entry, _list);
1800 list_del(ptr);
1801 kfree(entry);
1802 }
1803 acl->size = 0;
1804 up(&acl->sem);
1805 }
1806
1807 void
1808 prism54_acl_clean(struct islpci_acl *acl)
1809 {
1810 prism54_clear_mac(acl);
1811 }
1812
1813 static int
1814 prism54_add_mac(struct net_device *ndev, struct iw_request_info *info,
1815 struct sockaddr *awrq, char *extra)
1816 {
1817 islpci_private *priv = netdev_priv(ndev);
1818 struct islpci_acl *acl = &priv->acl;
1819 struct mac_entry *entry;
1820 struct sockaddr *addr = (struct sockaddr *) extra;
1821
1822 if (addr->sa_family != ARPHRD_ETHER)
1823 return -EOPNOTSUPP;
1824
1825 entry = kmalloc(sizeof (struct mac_entry), GFP_KERNEL);
1826 if (entry == NULL)
1827 return -ENOMEM;
1828
1829 memcpy(entry->addr, addr->sa_data, ETH_ALEN);
1830
1831 if (down_interruptible(&acl->sem)) {
1832 kfree(entry);
1833 return -ERESTARTSYS;
1834 }
1835 list_add_tail(&entry->_list, &acl->mac_list);
1836 acl->size++;
1837 up(&acl->sem);
1838
1839 return 0;
1840 }
1841
1842 static int
1843 prism54_del_mac(struct net_device *ndev, struct iw_request_info *info,
1844 struct sockaddr *awrq, char *extra)
1845 {
1846 islpci_private *priv = netdev_priv(ndev);
1847 struct islpci_acl *acl = &priv->acl;
1848 struct mac_entry *entry;
1849 struct list_head *ptr;
1850 struct sockaddr *addr = (struct sockaddr *) extra;
1851
1852 if (addr->sa_family != ARPHRD_ETHER)
1853 return -EOPNOTSUPP;
1854
1855 if (down_interruptible(&acl->sem))
1856 return -ERESTARTSYS;
1857 for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
1858 entry = list_entry(ptr, struct mac_entry, _list);
1859
1860 if (memcmp(entry->addr, addr->sa_data, ETH_ALEN) == 0) {
1861 list_del(ptr);
1862 acl->size--;
1863 kfree(entry);
1864 up(&acl->sem);
1865 return 0;
1866 }
1867 }
1868 up(&acl->sem);
1869 return -EINVAL;
1870 }
1871
1872 static int
1873 prism54_get_mac(struct net_device *ndev, struct iw_request_info *info,
1874 struct iw_point *dwrq, char *extra)
1875 {
1876 islpci_private *priv = netdev_priv(ndev);
1877 struct islpci_acl *acl = &priv->acl;
1878 struct mac_entry *entry;
1879 struct list_head *ptr;
1880 struct sockaddr *dst = (struct sockaddr *) extra;
1881
1882 dwrq->length = 0;
1883
1884 if (down_interruptible(&acl->sem))
1885 return -ERESTARTSYS;
1886
1887 for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
1888 entry = list_entry(ptr, struct mac_entry, _list);
1889
1890 memcpy(dst->sa_data, entry->addr, ETH_ALEN);
1891 dst->sa_family = ARPHRD_ETHER;
1892 dwrq->length++;
1893 dst++;
1894 }
1895 up(&acl->sem);
1896 return 0;
1897 }
1898
1899 /* Setting policy also clears the MAC acl, even if we don't change the defaut
1900 * policy
1901 */
1902
1903 static int
1904 prism54_set_policy(struct net_device *ndev, struct iw_request_info *info,
1905 __u32 * uwrq, char *extra)
1906 {
1907 islpci_private *priv = netdev_priv(ndev);
1908 struct islpci_acl *acl = &priv->acl;
1909 u32 mlmeautolevel;
1910
1911 prism54_clear_mac(acl);
1912
1913 if ((*uwrq < MAC_POLICY_OPEN) || (*uwrq > MAC_POLICY_REJECT))
1914 return -EINVAL;
1915
1916 down_write(&priv->mib_sem);
1917
1918 acl->policy = *uwrq;
1919
1920 /* the ACL code needs an intermediate mlmeautolevel */
1921 if ((priv->iw_mode == IW_MODE_MASTER) &&
1922 (acl->policy != MAC_POLICY_OPEN))
1923 mlmeautolevel = DOT11_MLME_INTERMEDIATE;
1924 else
1925 mlmeautolevel = CARD_DEFAULT_MLME_MODE;
1926 if (priv->wpa)
1927 mlmeautolevel = DOT11_MLME_EXTENDED;
1928 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel);
1929 /* restart the card with our new policy */
1930 if (mgt_commit(priv)) {
1931 up_write(&priv->mib_sem);
1932 return -EIO;
1933 }
1934 up_write(&priv->mib_sem);
1935
1936 return 0;
1937 }
1938
1939 static int
1940 prism54_get_policy(struct net_device *ndev, struct iw_request_info *info,
1941 __u32 * uwrq, char *extra)
1942 {
1943 islpci_private *priv = netdev_priv(ndev);
1944 struct islpci_acl *acl = &priv->acl;
1945
1946 *uwrq = acl->policy;
1947
1948 return 0;
1949 }
1950
1951 /* Return 1 only if client should be accepted. */
1952
1953 static int
1954 prism54_mac_accept(struct islpci_acl *acl, char *mac)
1955 {
1956 struct list_head *ptr;
1957 struct mac_entry *entry;
1958 int res = 0;
1959
1960 if (down_interruptible(&acl->sem))
1961 return -ERESTARTSYS;
1962
1963 if (acl->policy == MAC_POLICY_OPEN) {
1964 up(&acl->sem);
1965 return 1;
1966 }
1967
1968 for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
1969 entry = list_entry(ptr, struct mac_entry, _list);
1970 if (memcmp(entry->addr, mac, ETH_ALEN) == 0) {
1971 res = 1;
1972 break;
1973 }
1974 }
1975 res = (acl->policy == MAC_POLICY_ACCEPT) ? !res : res;
1976 up(&acl->sem);
1977
1978 return res;
1979 }
1980
1981 static int
1982 prism54_kick_all(struct net_device *ndev, struct iw_request_info *info,
1983 struct iw_point *dwrq, char *extra)
1984 {
1985 struct obj_mlme *mlme;
1986 int rvalue;
1987
1988 mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL);
1989 if (mlme == NULL)
1990 return -ENOMEM;
1991
1992 /* Tell the card to kick every client */
1993 mlme->id = 0;
1994 rvalue =
1995 mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme);
1996 kfree(mlme);
1997
1998 return rvalue;
1999 }
2000
2001 static int
2002 prism54_kick_mac(struct net_device *ndev, struct iw_request_info *info,
2003 struct sockaddr *awrq, char *extra)
2004 {
2005 struct obj_mlme *mlme;
2006 struct sockaddr *addr = (struct sockaddr *) extra;
2007 int rvalue;
2008
2009 if (addr->sa_family != ARPHRD_ETHER)
2010 return -EOPNOTSUPP;
2011
2012 mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL);
2013 if (mlme == NULL)
2014 return -ENOMEM;
2015
2016 /* Tell the card to only kick the corresponding bastard */
2017 memcpy(mlme->address, addr->sa_data, ETH_ALEN);
2018 mlme->id = -1;
2019 rvalue =
2020 mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme);
2021
2022 kfree(mlme);
2023
2024 return rvalue;
2025 }
2026
2027 /* Translate a TRAP oid into a wireless event. Called in islpci_mgt_receive. */
2028
2029 static void
2030 format_event(islpci_private *priv, char *dest, const char *str,
2031 const struct obj_mlme *mlme, u16 *length, int error)
2032 {
2033 const u8 *a = mlme->address;
2034 int n = snprintf(dest, IW_CUSTOM_MAX,
2035 "%s %s %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X %s (%2.2X)",
2036 str,
2037 ((priv->iw_mode == IW_MODE_MASTER) ? "from" : "to"),
2038 a[0], a[1], a[2], a[3], a[4], a[5],
2039 (error ? (mlme->code ? " : REJECTED " : " : ACCEPTED ")
2040 : ""), mlme->code);
2041 BUG_ON(n > IW_CUSTOM_MAX);
2042 *length = n;
2043 }
2044
2045 static void
2046 send_formatted_event(islpci_private *priv, const char *str,
2047 const struct obj_mlme *mlme, int error)
2048 {
2049 union iwreq_data wrqu;
2050 char *memptr;
2051
2052 memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
2053 if (!memptr)
2054 return;
2055 wrqu.data.pointer = memptr;
2056 wrqu.data.length = 0;
2057 format_event(priv, memptr, str, mlme, &wrqu.data.length,
2058 error);
2059 wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr);
2060 kfree(memptr);
2061 }
2062
2063 static void
2064 send_simple_event(islpci_private *priv, const char *str)
2065 {
2066 union iwreq_data wrqu;
2067 char *memptr;
2068 int n = strlen(str);
2069
2070 memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
2071 if (!memptr)
2072 return;
2073 BUG_ON(n > IW_CUSTOM_MAX);
2074 wrqu.data.pointer = memptr;
2075 wrqu.data.length = n;
2076 strcpy(memptr, str);
2077 wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr);
2078 kfree(memptr);
2079 }
2080
2081 static void
2082 link_changed(struct net_device *ndev, u32 bitrate)
2083 {
2084 islpci_private *priv = netdev_priv(ndev);
2085
2086 if (bitrate) {
2087 if (priv->iw_mode == IW_MODE_INFRA) {
2088 union iwreq_data uwrq;
2089 prism54_get_wap(ndev, NULL, (struct sockaddr *) &uwrq,
2090 NULL);
2091 wireless_send_event(ndev, SIOCGIWAP, &uwrq, NULL);
2092 } else
2093 send_simple_event(netdev_priv(ndev),
2094 "Link established");
2095 } else
2096 send_simple_event(netdev_priv(ndev), "Link lost");
2097 }
2098
2099 /* Beacon/ProbeResp payload header */
2100 struct ieee80211_beacon_phdr {
2101 u8 timestamp[8];
2102 u16 beacon_int;
2103 u16 capab_info;
2104 } __attribute__ ((packed));
2105
2106 #define WLAN_EID_GENERIC 0xdd
2107 static u8 wpa_oid[4] = { 0x00, 0x50, 0xf2, 1 };
2108
2109 #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
2110 #define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
2111
2112 static void
2113 prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid,
2114 u8 *wpa_ie, size_t wpa_ie_len)
2115 {
2116 struct list_head *ptr;
2117 struct islpci_bss_wpa_ie *bss = NULL;
2118
2119 if (wpa_ie_len > MAX_WPA_IE_LEN)
2120 wpa_ie_len = MAX_WPA_IE_LEN;
2121
2122 if (down_interruptible(&priv->wpa_sem))
2123 return;
2124
2125 /* try to use existing entry */
2126 list_for_each(ptr, &priv->bss_wpa_list) {
2127 bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
2128 if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) {
2129 list_move(&bss->list, &priv->bss_wpa_list);
2130 break;
2131 }
2132 bss = NULL;
2133 }
2134
2135 if (bss == NULL) {
2136 /* add a new BSS entry; if max number of entries is already
2137 * reached, replace the least recently updated */
2138 if (priv->num_bss_wpa >= MAX_BSS_WPA_IE_COUNT) {
2139 bss = list_entry(priv->bss_wpa_list.prev,
2140 struct islpci_bss_wpa_ie, list);
2141 list_del(&bss->list);
2142 } else {
2143 bss = kmalloc(sizeof (*bss), GFP_ATOMIC);
2144 if (bss != NULL) {
2145 priv->num_bss_wpa++;
2146 memset(bss, 0, sizeof (*bss));
2147 }
2148 }
2149 if (bss != NULL) {
2150 memcpy(bss->bssid, bssid, ETH_ALEN);
2151 list_add(&bss->list, &priv->bss_wpa_list);
2152 }
2153 }
2154
2155 if (bss != NULL) {
2156 memcpy(bss->wpa_ie, wpa_ie, wpa_ie_len);
2157 bss->wpa_ie_len = wpa_ie_len;
2158 bss->last_update = jiffies;
2159 } else {
2160 printk(KERN_DEBUG "Failed to add BSS WPA entry for " MACSTR
2161 "\n", MAC2STR(bssid));
2162 }
2163
2164 /* expire old entries from WPA list */
2165 while (priv->num_bss_wpa > 0) {
2166 bss = list_entry(priv->bss_wpa_list.prev,
2167 struct islpci_bss_wpa_ie, list);
2168 if (!time_after(jiffies, bss->last_update + 60 * HZ))
2169 break;
2170
2171 list_del(&bss->list);
2172 priv->num_bss_wpa--;
2173 kfree(bss);
2174 }
2175
2176 up(&priv->wpa_sem);
2177 }
2178
2179 static size_t
2180 prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie)
2181 {
2182 struct list_head *ptr;
2183 struct islpci_bss_wpa_ie *bss = NULL;
2184 size_t len = 0;
2185
2186 if (down_interruptible(&priv->wpa_sem))
2187 return 0;
2188
2189 list_for_each(ptr, &priv->bss_wpa_list) {
2190 bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
2191 if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0)
2192 break;
2193 bss = NULL;
2194 }
2195 if (bss) {
2196 len = bss->wpa_ie_len;
2197 memcpy(wpa_ie, bss->wpa_ie, len);
2198 }
2199 up(&priv->wpa_sem);
2200
2201 return len;
2202 }
2203
2204 void
2205 prism54_wpa_bss_ie_init(islpci_private *priv)
2206 {
2207 INIT_LIST_HEAD(&priv->bss_wpa_list);
2208 sema_init(&priv->wpa_sem, 1);
2209 }
2210
2211 void
2212 prism54_wpa_bss_ie_clean(islpci_private *priv)
2213 {
2214 struct list_head *ptr, *n;
2215
2216 list_for_each_safe(ptr, n, &priv->bss_wpa_list) {
2217 struct islpci_bss_wpa_ie *bss;
2218 bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
2219 kfree(bss);
2220 }
2221 }
2222
2223 static void
2224 prism54_process_bss_data(islpci_private *priv, u32 oid, u8 *addr,
2225 u8 *payload, size_t len)
2226 {
2227 struct ieee80211_beacon_phdr *hdr;
2228 u8 *pos, *end;
2229
2230 if (!priv->wpa)
2231 return;
2232
2233 hdr = (struct ieee80211_beacon_phdr *) payload;
2234 pos = (u8 *) (hdr + 1);
2235 end = payload + len;
2236 while (pos < end) {
2237 if (pos + 2 + pos[1] > end) {
2238 printk(KERN_DEBUG "Parsing Beacon/ProbeResp failed "
2239 "for " MACSTR "\n", MAC2STR(addr));
2240 return;
2241 }
2242 if (pos[0] == WLAN_EID_GENERIC && pos[1] >= 4 &&
2243 memcmp(pos + 2, wpa_oid, 4) == 0) {
2244 prism54_wpa_bss_ie_add(priv, addr, pos, pos[1] + 2);
2245 return;
2246 }
2247 pos += 2 + pos[1];
2248 }
2249 }
2250
2251 static void
2252 handle_request(islpci_private *priv, struct obj_mlme *mlme, enum oid_num_t oid)
2253 {
2254 if (((mlme->state == DOT11_STATE_AUTHING) ||
2255 (mlme->state == DOT11_STATE_ASSOCING))
2256 && mgt_mlme_answer(priv)) {
2257 /* Someone is requesting auth and we must respond. Just send back
2258 * the trap with error code set accordingly.
2259 */
2260 mlme->code = prism54_mac_accept(&priv->acl,
2261 mlme->address) ? 0 : 1;
2262 mgt_set_request(priv, oid, 0, mlme);
2263 }
2264 }
2265
2266 static int
2267 prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid,
2268 char *data)
2269 {
2270 struct obj_mlme *mlme = (struct obj_mlme *) data;
2271 struct obj_mlmeex *mlmeex = (struct obj_mlmeex *) data;
2272 struct obj_mlmeex *confirm;
2273 u8 wpa_ie[MAX_WPA_IE_LEN];
2274 int wpa_ie_len;
2275 size_t len = 0; /* u16, better? */
2276 u8 *payload = NULL, *pos = NULL;
2277 int ret;
2278
2279 /* I think all trapable objects are listed here.
2280 * Some oids have a EX version. The difference is that they are emitted
2281 * in DOT11_MLME_EXTENDED mode (set with DOT11_OID_MLMEAUTOLEVEL)
2282 * with more info.
2283 * The few events already defined by the wireless tools are not really
2284 * suited. We use the more flexible custom event facility.
2285 */
2286
2287 if (oid >= DOT11_OID_BEACON) {
2288 len = mlmeex->size;
2289 payload = pos = mlmeex->data;
2290 }
2291
2292 /* I fear prism54_process_bss_data won't work with big endian data */
2293 if ((oid == DOT11_OID_BEACON) || (oid == DOT11_OID_PROBE))
2294 prism54_process_bss_data(priv, oid, mlmeex->address,
2295 payload, len);
2296
2297 mgt_le_to_cpu(isl_oid[oid].flags & OID_FLAG_TYPE, (void *) mlme);
2298
2299 switch (oid) {
2300
2301 case GEN_OID_LINKSTATE:
2302 link_changed(priv->ndev, (u32) *data);
2303 break;
2304
2305 case DOT11_OID_MICFAILURE:
2306 send_simple_event(priv, "Mic failure");
2307 break;
2308
2309 case DOT11_OID_DEAUTHENTICATE:
2310 send_formatted_event(priv, "DeAuthenticate request", mlme, 0);
2311 break;
2312
2313 case DOT11_OID_AUTHENTICATE:
2314 handle_request(priv, mlme, oid);
2315 send_formatted_event(priv, "Authenticate request", mlme, 1);
2316 break;
2317
2318 case DOT11_OID_DISASSOCIATE:
2319 send_formatted_event(priv, "Disassociate request", mlme, 0);
2320 break;
2321
2322 case DOT11_OID_ASSOCIATE:
2323 handle_request(priv, mlme, oid);
2324 send_formatted_event(priv, "Associate request", mlme, 1);
2325 break;
2326
2327 case DOT11_OID_REASSOCIATE:
2328 handle_request(priv, mlme, oid);
2329 send_formatted_event(priv, "ReAssociate request", mlme, 1);
2330 break;
2331
2332 case DOT11_OID_BEACON:
2333 send_formatted_event(priv,
2334 "Received a beacon from an unkown AP",
2335 mlme, 0);
2336 break;
2337
2338 case DOT11_OID_PROBE:
2339 /* we received a probe from a client. */
2340 send_formatted_event(priv, "Received a probe from client", mlme,
2341 0);
2342 break;
2343
2344 /* Note : "mlme" is actually a "struct obj_mlmeex *" here, but this
2345 * is backward compatible layout-wise with "struct obj_mlme".
2346 */
2347
2348 case DOT11_OID_DEAUTHENTICATEEX:
2349 send_formatted_event(priv, "DeAuthenticate request", mlme, 0);
2350 break;
2351
2352 case DOT11_OID_AUTHENTICATEEX:
2353 handle_request(priv, mlme, oid);
2354 send_formatted_event(priv, "Authenticate request (ex)", mlme, 1);
2355
2356 if (priv->iw_mode != IW_MODE_MASTER
2357 && mlmeex->state != DOT11_STATE_AUTHING)
2358 break;
2359
2360 confirm = kmalloc(sizeof(struct obj_mlmeex) + 6, GFP_ATOMIC);
2361
2362 if (!confirm)
2363 break;
2364
2365 memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
2366 printk(KERN_DEBUG "Authenticate from: address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
2367 mlmeex->address[0],
2368 mlmeex->address[1],
2369 mlmeex->address[2],
2370 mlmeex->address[3],
2371 mlmeex->address[4],
2372 mlmeex->address[5]
2373 );
2374 confirm->id = -1; /* or mlmeex->id ? */
2375 confirm->state = 0; /* not used */
2376 confirm->code = 0;
2377 confirm->size = 6;
2378 confirm->data[0] = 0x00;
2379 confirm->data[1] = 0x00;
2380 confirm->data[2] = 0x02;
2381 confirm->data[3] = 0x00;
2382 confirm->data[4] = 0x00;
2383 confirm->data[5] = 0x00;
2384
2385 ret = mgt_set_varlen(priv, DOT11_OID_ASSOCIATEEX, confirm, 6);
2386
2387 kfree(confirm);
2388 if (ret)
2389 return ret;
2390 break;
2391
2392 case DOT11_OID_DISASSOCIATEEX:
2393 send_formatted_event(priv, "Disassociate request (ex)", mlme, 0);
2394 break;
2395
2396 case DOT11_OID_ASSOCIATEEX:
2397 handle_request(priv, mlme, oid);
2398 send_formatted_event(priv, "Associate request (ex)", mlme, 1);
2399
2400 if (priv->iw_mode != IW_MODE_MASTER
2401 && mlmeex->state != DOT11_STATE_ASSOCING)
2402 break;
2403
2404 confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC);
2405
2406 if (!confirm)
2407 break;
2408
2409 memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
2410
2411 confirm->id = ((struct obj_mlmeex *)mlme)->id;
2412 confirm->state = 0; /* not used */
2413 confirm->code = 0;
2414
2415 wpa_ie_len = prism54_wpa_bss_ie_get(priv, mlmeex->address, wpa_ie);
2416
2417 if (!wpa_ie_len) {
2418 printk(KERN_DEBUG "No WPA IE found from "
2419 "address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
2420 mlmeex->address[0],
2421 mlmeex->address[1],
2422 mlmeex->address[2],
2423 mlmeex->address[3],
2424 mlmeex->address[4],
2425 mlmeex->address[5]
2426 );
2427 kfree(confirm);
2428 break;
2429 }
2430
2431 confirm->size = wpa_ie_len;
2432 memcpy(&confirm->data, wpa_ie, wpa_ie_len);
2433
2434 mgt_set_varlen(priv, oid, confirm, wpa_ie_len);
2435
2436 kfree(confirm);
2437
2438 break;
2439
2440 case DOT11_OID_REASSOCIATEEX:
2441 handle_request(priv, mlme, oid);
2442 send_formatted_event(priv, "Reassociate request (ex)", mlme, 1);
2443
2444 if (priv->iw_mode != IW_MODE_MASTER
2445 && mlmeex->state != DOT11_STATE_ASSOCING)
2446 break;
2447
2448 confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC);
2449
2450 if (!confirm)
2451 break;
2452
2453 memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
2454
2455 confirm->id = mlmeex->id;
2456 confirm->state = 0; /* not used */
2457 confirm->code = 0;
2458
2459 wpa_ie_len = prism54_wpa_bss_ie_get(priv, mlmeex->address, wpa_ie);
2460
2461 if (!wpa_ie_len) {
2462 printk(KERN_DEBUG "No WPA IE found from "
2463 "address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
2464 mlmeex->address[0],
2465 mlmeex->address[1],
2466 mlmeex->address[2],
2467 mlmeex->address[3],
2468 mlmeex->address[4],
2469 mlmeex->address[5]
2470 );
2471 kfree(confirm);
2472 break;
2473 }
2474
2475 confirm->size = wpa_ie_len;
2476 memcpy(&confirm->data, wpa_ie, wpa_ie_len);
2477
2478 mgt_set_varlen(priv, oid, confirm, wpa_ie_len);
2479
2480 kfree(confirm);
2481
2482 break;
2483
2484 default:
2485 return -EINVAL;
2486 }
2487
2488 return 0;
2489 }
2490
2491 /*
2492 * Process a device trap. This is called via schedule_work(), outside of
2493 * interrupt context, no locks held.
2494 */
2495 void
2496 prism54_process_trap(void *data)
2497 {
2498 struct islpci_mgmtframe *frame = data;
2499 struct net_device *ndev = frame->ndev;
2500 enum oid_num_t n = mgt_oidtonum(frame->header->oid);
2501
2502 if (n != OID_NUM_LAST)
2503 prism54_process_trap_helper(netdev_priv(ndev), n, frame->data);
2504 islpci_mgt_release(frame);
2505 }
2506
2507 int
2508 prism54_set_mac_address(struct net_device *ndev, void *addr)
2509 {
2510 islpci_private *priv = netdev_priv(ndev);
2511 int ret;
2512
2513 if (ndev->addr_len != 6)
2514 return -EINVAL;
2515 ret = mgt_set_request(priv, GEN_OID_MACADDRESS, 0,
2516 &((struct sockaddr *) addr)->sa_data);
2517 if (!ret)
2518 memcpy(priv->ndev->dev_addr,
2519 &((struct sockaddr *) addr)->sa_data, 6);
2520
2521 return ret;
2522 }
2523
2524 /* Note: currently, use hostapd ioctl from the Host AP driver for WPA
2525 * support. This is to be replaced with Linux wireless extensions once they
2526 * get WPA support. */
2527
2528 /* Note II: please leave all this together as it will be easier to remove later,
2529 * once wireless extensions add WPA support -mcgrof */
2530
2531 /* PRISM54_HOSTAPD ioctl() cmd: */
2532 enum {
2533 PRISM2_SET_ENCRYPTION = 6,
2534 PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12,
2535 PRISM2_HOSTAPD_MLME = 13,
2536 PRISM2_HOSTAPD_SCAN_REQ = 14,
2537 };
2538
2539 #define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12
2540 #define PRISM54_HOSTAPD SIOCIWFIRSTPRIV+25
2541 #define PRISM54_DROP_UNENCRYPTED SIOCIWFIRSTPRIV+26
2542
2543 #define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024
2544 #define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \
2545 ((int) (&((struct prism2_hostapd_param *) 0)->u.generic_elem.data))
2546
2547 /* Maximum length for algorithm names (-1 for nul termination)
2548 * used in ioctl() */
2549 #define HOSTAP_CRYPT_ALG_NAME_LEN 16
2550
2551 struct prism2_hostapd_param {
2552 u32 cmd;
2553 u8 sta_addr[ETH_ALEN];
2554 union {
2555 struct {
2556 u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN];
2557 u32 flags;
2558 u32 err;
2559 u8 idx;
2560 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
2561 u16 key_len;
2562 u8 key[0];
2563 } crypt;
2564 struct {
2565 u8 len;
2566 u8 data[0];
2567 } generic_elem;
2568 struct {
2569 #define MLME_STA_DEAUTH 0
2570 #define MLME_STA_DISASSOC 1
2571 u16 cmd;
2572 u16 reason_code;
2573 } mlme;
2574 struct {
2575 u8 ssid_len;
2576 u8 ssid[32];
2577 } scan_req;
2578 } u;
2579 };
2580
2581
2582 static int
2583 prism2_ioctl_set_encryption(struct net_device *dev,
2584 struct prism2_hostapd_param *param,
2585 int param_len)
2586 {
2587 islpci_private *priv = netdev_priv(dev);
2588 int rvalue = 0, force = 0;
2589 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
2590 union oid_res_t r;
2591
2592 /* with the new API, it's impossible to get a NULL pointer.
2593 * New version of iwconfig set the IW_ENCODE_NOKEY flag
2594 * when no key is given, but older versions don't. */
2595
2596 if (param->u.crypt.key_len > 0) {
2597 /* we have a key to set */
2598 int index = param->u.crypt.idx;
2599 int current_index;
2600 struct obj_key key = { DOT11_PRIV_TKIP, 0, "" };
2601
2602 /* get the current key index */
2603 rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
2604 current_index = r.u;
2605 /* Verify that the key is not marked as invalid */
2606 if (!(param->u.crypt.flags & IW_ENCODE_NOKEY)) {
2607 key.length = param->u.crypt.key_len > sizeof (param->u.crypt.key) ?
2608 sizeof (param->u.crypt.key) : param->u.crypt.key_len;
2609 memcpy(key.key, param->u.crypt.key, key.length);
2610 if (key.length == 32)
2611 /* we want WPA-PSK */
2612 key.type = DOT11_PRIV_TKIP;
2613 if ((index < 0) || (index > 3))
2614 /* no index provided use the current one */
2615 index = current_index;
2616
2617 /* now send the key to the card */
2618 rvalue |=
2619 mgt_set_request(priv, DOT11_OID_DEFKEYX, index,
2620 &key);
2621 }
2622 /*
2623 * If a valid key is set, encryption should be enabled
2624 * (user may turn it off later).
2625 * This is also how "iwconfig ethX key on" works
2626 */
2627 if ((index == current_index) && (key.length > 0))
2628 force = 1;
2629 } else {
2630 int index = (param->u.crypt.flags & IW_ENCODE_INDEX) - 1;
2631 if ((index >= 0) && (index <= 3)) {
2632 /* we want to set the key index */
2633 rvalue |=
2634 mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
2635 &index);
2636 } else {
2637 if (!param->u.crypt.flags & IW_ENCODE_MODE) {
2638 /* we cannot do anything. Complain. */
2639 return -EINVAL;
2640 }
2641 }
2642 }
2643 /* now read the flags */
2644 if (param->u.crypt.flags & IW_ENCODE_DISABLED) {
2645 /* Encoding disabled,
2646 * authen = DOT11_AUTH_OS;
2647 * invoke = 0;
2648 * exunencrypt = 0; */
2649 }
2650 if (param->u.crypt.flags & IW_ENCODE_OPEN)
2651 /* Encode but accept non-encoded packets. No auth */
2652 invoke = 1;
2653 if ((param->u.crypt.flags & IW_ENCODE_RESTRICTED) || force) {
2654 /* Refuse non-encoded packets. Auth */
2655 authen = DOT11_AUTH_BOTH;
2656 invoke = 1;
2657 exunencrypt = 1;
2658 }
2659 /* do the change if requested */
2660 if ((param->u.crypt.flags & IW_ENCODE_MODE) || force) {
2661 rvalue |=
2662 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
2663 rvalue |=
2664 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke);
2665 rvalue |=
2666 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
2667 &exunencrypt);
2668 }
2669 return rvalue;
2670 }
2671
2672 static int
2673 prism2_ioctl_set_generic_element(struct net_device *ndev,
2674 struct prism2_hostapd_param *param,
2675 int param_len)
2676 {
2677 islpci_private *priv = netdev_priv(ndev);
2678 int max_len, len, alen, ret=0;
2679 struct obj_attachment *attach;
2680
2681 len = param->u.generic_elem.len;
2682 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
2683 if (max_len < 0 || max_len < len)
2684 return -EINVAL;
2685
2686 alen = sizeof(*attach) + len;
2687 attach = kmalloc(alen, GFP_KERNEL);
2688 if (attach == NULL)
2689 return -ENOMEM;
2690
2691 memset(attach, 0, alen);
2692 #define WLAN_FC_TYPE_MGMT 0
2693 #define WLAN_FC_STYPE_ASSOC_REQ 0
2694 #define WLAN_FC_STYPE_REASSOC_REQ 2
2695
2696 /* Note: endianness is covered by mgt_set_varlen */
2697
2698 attach->type = (WLAN_FC_TYPE_MGMT << 2) |
2699 (WLAN_FC_STYPE_ASSOC_REQ << 4);
2700 attach->id = -1;
2701 attach->size = len;
2702 memcpy(attach->data, param->u.generic_elem.data, len);
2703
2704 ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len);
2705
2706 if (ret == 0) {
2707 attach->type = (WLAN_FC_TYPE_MGMT << 2) |
2708 (WLAN_FC_STYPE_REASSOC_REQ << 4);
2709
2710 ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len);
2711
2712 if (ret == 0)
2713 printk(KERN_DEBUG "%s: WPA IE Attachment was set\n",
2714 ndev->name);
2715 }
2716
2717 kfree(attach);
2718 return ret;
2719
2720 }
2721
2722 static int
2723 prism2_ioctl_mlme(struct net_device *dev, struct prism2_hostapd_param *param)
2724 {
2725 return -EOPNOTSUPP;
2726 }
2727
2728 static int
2729 prism2_ioctl_scan_req(struct net_device *ndev,
2730 struct prism2_hostapd_param *param)
2731 {
2732 islpci_private *priv = netdev_priv(ndev);
2733 int i, rvalue;
2734 struct obj_bsslist *bsslist;
2735 u32 noise = 0;
2736 char *extra = "";
2737 char *current_ev = "foo";
2738 union oid_res_t r;
2739
2740 if (islpci_get_state(priv) < PRV_STATE_INIT) {
2741 /* device is not ready, fail gently */
2742 return 0;
2743 }
2744
2745 /* first get the noise value. We will use it to report the link quality */
2746 rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
2747 noise = r.u;
2748
2749 /* Ask the device for a list of known bss. We can report at most
2750 * IW_MAX_AP=64 to the range struct. But the device won't repport anything
2751 * if you change the value of IWMAX_BSS=24.
2752 */
2753 rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r);
2754 bsslist = r.ptr;
2755
2756 /* ok now, scan the list and translate its info */
2757 for (i = 0; i < min(IW_MAX_AP, (int) bsslist->nr); i++)
2758 current_ev = prism54_translate_bss(ndev, current_ev,
2759 extra + IW_SCAN_MAX_DATA,
2760 &(bsslist->bsslist[i]),
2761 noise);
2762 kfree(bsslist);
2763
2764 return rvalue;
2765 }
2766
2767 static int
2768 prism54_hostapd(struct net_device *ndev, struct iw_point *p)
2769 {
2770 struct prism2_hostapd_param *param;
2771 int ret = 0;
2772 u32 uwrq;
2773
2774 printk(KERN_DEBUG "prism54_hostapd - len=%d\n", p->length);
2775 if (p->length < sizeof(struct prism2_hostapd_param) ||
2776 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
2777 return -EINVAL;
2778
2779 param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
2780 if (param == NULL)
2781 return -ENOMEM;
2782
2783 if (copy_from_user(param, p->pointer, p->length)) {
2784 kfree(param);
2785 return -EFAULT;
2786 }
2787
2788 switch (param->cmd) {
2789 case PRISM2_SET_ENCRYPTION:
2790 printk(KERN_DEBUG "%s: Caught WPA supplicant set encryption request\n",
2791 ndev->name);
2792 ret = prism2_ioctl_set_encryption(ndev, param, p->length);
2793 break;
2794 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
2795 printk(KERN_DEBUG "%s: Caught WPA supplicant set WPA IE request\n",
2796 ndev->name);
2797 ret = prism2_ioctl_set_generic_element(ndev, param,
2798 p->length);
2799 break;
2800 case PRISM2_HOSTAPD_MLME:
2801 printk(KERN_DEBUG "%s: Caught WPA supplicant MLME request\n",
2802 ndev->name);
2803 ret = prism2_ioctl_mlme(ndev, param);
2804 break;
2805 case PRISM2_HOSTAPD_SCAN_REQ:
2806 printk(KERN_DEBUG "%s: Caught WPA supplicant scan request\n",
2807 ndev->name);
2808 ret = prism2_ioctl_scan_req(ndev, param);
2809 break;
2810 case PRISM54_SET_WPA:
2811 printk(KERN_DEBUG "%s: Caught WPA supplicant wpa init request\n",
2812 ndev->name);
2813 uwrq = 1;
2814 ret = prism54_set_wpa(ndev, NULL, &uwrq, NULL);
2815 break;
2816 case PRISM54_DROP_UNENCRYPTED:
2817 printk(KERN_DEBUG "%s: Caught WPA drop unencrypted request\n",
2818 ndev->name);
2819 #if 0
2820 uwrq = 0x01;
2821 mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &uwrq);
2822 down_write(&priv->mib_sem);
2823 mgt_commit(priv);
2824 up_write(&priv->mib_sem);
2825 #endif
2826 /* Not necessary, as set_wpa does it, should we just do it here though? */
2827 ret = 0;
2828 break;
2829 default:
2830 printk(KERN_DEBUG "%s: Caught a WPA supplicant request that is not supported\n",
2831 ndev->name);
2832 ret = -EOPNOTSUPP;
2833 break;
2834 }
2835
2836 if (ret == 0 && copy_to_user(p->pointer, param, p->length))
2837 ret = -EFAULT;
2838
2839 kfree(param);
2840
2841 return ret;
2842 }
2843
2844 static int
2845 prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info,
2846 __u32 * uwrq, char *extra)
2847 {
2848 islpci_private *priv = netdev_priv(ndev);
2849 u32 mlme, authen, dot1x, filter, wep;
2850
2851 if (islpci_get_state(priv) < PRV_STATE_INIT)
2852 return 0;
2853
2854 wep = 1; /* For privacy invoked */
2855 filter = 1; /* Filter out all unencrypted frames */
2856 dot1x = 0x01; /* To enable eap filter */
2857 mlme = DOT11_MLME_EXTENDED;
2858 authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */
2859
2860 down_write(&priv->mib_sem);
2861 priv->wpa = *uwrq;
2862
2863 switch (priv->wpa) {
2864 default:
2865 case 0: /* Clears/disables WPA and friends */
2866 wep = 0;
2867 filter = 0; /* Do not filter un-encrypted data */
2868 dot1x = 0;
2869 mlme = DOT11_MLME_AUTO;
2870 printk("%s: Disabling WPA\n", ndev->name);
2871 break;
2872 case 2:
2873 case 1: /* WPA */
2874 printk("%s: Enabling WPA\n", ndev->name);
2875 break;
2876 }
2877 up_write(&priv->mib_sem);
2878
2879 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
2880 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &wep);
2881 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, &filter);
2882 mgt_set_request(priv, DOT11_OID_DOT1XENABLE, 0, &dot1x);
2883 mgt_set_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, &mlme);
2884
2885 return 0;
2886 }
2887
2888 static int
2889 prism54_get_wpa(struct net_device *ndev, struct iw_request_info *info,
2890 __u32 * uwrq, char *extra)
2891 {
2892 islpci_private *priv = netdev_priv(ndev);
2893 *uwrq = priv->wpa;
2894 return 0;
2895 }
2896
2897 static int
2898 prism54_set_prismhdr(struct net_device *ndev, struct iw_request_info *info,
2899 __u32 * uwrq, char *extra)
2900 {
2901 islpci_private *priv = netdev_priv(ndev);
2902 priv->monitor_type =
2903 (*uwrq ? ARPHRD_IEEE80211_PRISM : ARPHRD_IEEE80211);
2904 if (priv->iw_mode == IW_MODE_MONITOR)
2905 priv->ndev->type = priv->monitor_type;
2906
2907 return 0;
2908 }
2909
2910 static int
2911 prism54_get_prismhdr(struct net_device *ndev, struct iw_request_info *info,
2912 __u32 * uwrq, char *extra)
2913 {
2914 islpci_private *priv = netdev_priv(ndev);
2915 *uwrq = (priv->monitor_type == ARPHRD_IEEE80211_PRISM);
2916 return 0;
2917 }
2918
2919 static int
2920 prism54_debug_oid(struct net_device *ndev, struct iw_request_info *info,
2921 __u32 * uwrq, char *extra)
2922 {
2923 islpci_private *priv = netdev_priv(ndev);
2924
2925 priv->priv_oid = *uwrq;
2926 printk("%s: oid 0x%08X\n", ndev->name, *uwrq);
2927
2928 return 0;
2929 }
2930
2931 static int
2932 prism54_debug_get_oid(struct net_device *ndev, struct iw_request_info *info,
2933 struct iw_point *data, char *extra)
2934 {
2935 islpci_private *priv = netdev_priv(ndev);
2936 struct islpci_mgmtframe *response;
2937 int ret = -EIO;
2938
2939 printk("%s: get_oid 0x%08X\n", ndev->name, priv->priv_oid);
2940 data->length = 0;
2941
2942 if (islpci_get_state(priv) >= PRV_STATE_INIT) {
2943 ret =
2944 islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
2945 priv->priv_oid, extra, 256,
2946 &response);
2947 printk("%s: ret: %i\n", ndev->name, ret);
2948 if (ret || !response
2949 || response->header->operation == PIMFOR_OP_ERROR) {
2950 if (response) {
2951 islpci_mgt_release(response);
2952 }
2953 printk("%s: EIO\n", ndev->name);
2954 ret = -EIO;
2955 }
2956 if (!ret) {
2957 data->length = response->header->length;
2958 memcpy(extra, response->data, data->length);
2959 islpci_mgt_release(response);
2960 printk("%s: len: %i\n", ndev->name, data->length);
2961 }
2962 }
2963
2964 return ret;
2965 }
2966
2967 static int
2968 prism54_debug_set_oid(struct net_device *ndev, struct iw_request_info *info,
2969 struct iw_point *data, char *extra)
2970 {
2971 islpci_private *priv = netdev_priv(ndev);
2972 struct islpci_mgmtframe *response;
2973 int ret = 0, response_op = PIMFOR_OP_ERROR;
2974
2975 printk("%s: set_oid 0x%08X\tlen: %d\n", ndev->name, priv->priv_oid,
2976 data->length);
2977
2978 if (islpci_get_state(priv) >= PRV_STATE_INIT) {
2979 ret =
2980 islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
2981 priv->priv_oid, extra, data->length,
2982 &response);
2983 printk("%s: ret: %i\n", ndev->name, ret);
2984 if (ret || !response
2985 || response->header->operation == PIMFOR_OP_ERROR) {
2986 if (response) {
2987 islpci_mgt_release(response);
2988 }
2989 printk("%s: EIO\n", ndev->name);
2990 ret = -EIO;
2991 }
2992 if (!ret) {
2993 response_op = response->header->operation;
2994 printk("%s: response_op: %i\n", ndev->name,
2995 response_op);
2996 islpci_mgt_release(response);
2997 }
2998 }
2999
3000 return (ret ? ret : -EINPROGRESS);
3001 }
3002
3003 static int
3004 prism54_set_spy(struct net_device *ndev,
3005 struct iw_request_info *info,
3006 union iwreq_data *uwrq, char *extra)
3007 {
3008 islpci_private *priv = netdev_priv(ndev);
3009 u32 u, oid = OID_INL_CONFIG;
3010
3011 down_write(&priv->mib_sem);
3012 mgt_get(priv, OID_INL_CONFIG, &u);
3013
3014 if ((uwrq->data.length == 0) && (priv->spy_data.spy_number > 0))
3015 /* disable spy */
3016 u &= ~INL_CONFIG_RXANNEX;
3017 else if ((uwrq->data.length > 0) && (priv->spy_data.spy_number == 0))
3018 /* enable spy */
3019 u |= INL_CONFIG_RXANNEX;
3020
3021 mgt_set(priv, OID_INL_CONFIG, &u);
3022 mgt_commit_list(priv, &oid, 1);
3023 up_write(&priv->mib_sem);
3024
3025 return iw_handler_set_spy(ndev, info, uwrq, extra);
3026 }
3027
3028 static const iw_handler prism54_handler[] = {
3029 (iw_handler) prism54_commit, /* SIOCSIWCOMMIT */
3030 (iw_handler) prism54_get_name, /* SIOCGIWNAME */
3031 (iw_handler) NULL, /* SIOCSIWNWID */
3032 (iw_handler) NULL, /* SIOCGIWNWID */
3033 (iw_handler) prism54_set_freq, /* SIOCSIWFREQ */
3034 (iw_handler) prism54_get_freq, /* SIOCGIWFREQ */
3035 (iw_handler) prism54_set_mode, /* SIOCSIWMODE */
3036 (iw_handler) prism54_get_mode, /* SIOCGIWMODE */
3037 (iw_handler) prism54_set_sens, /* SIOCSIWSENS */
3038 (iw_handler) prism54_get_sens, /* SIOCGIWSENS */
3039 (iw_handler) NULL, /* SIOCSIWRANGE */
3040 (iw_handler) prism54_get_range, /* SIOCGIWRANGE */
3041 (iw_handler) NULL, /* SIOCSIWPRIV */
3042 (iw_handler) NULL, /* SIOCGIWPRIV */
3043 (iw_handler) NULL, /* SIOCSIWSTATS */
3044 (iw_handler) NULL, /* SIOCGIWSTATS */
3045 prism54_set_spy, /* SIOCSIWSPY */
3046 iw_handler_get_spy, /* SIOCGIWSPY */
3047 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3048 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3049 (iw_handler) prism54_set_wap, /* SIOCSIWAP */
3050 (iw_handler) prism54_get_wap, /* SIOCGIWAP */
3051 (iw_handler) NULL, /* -- hole -- */
3052 (iw_handler) NULL, /* SIOCGIWAPLIST depreciated */
3053 (iw_handler) prism54_set_scan, /* SIOCSIWSCAN */
3054 (iw_handler) prism54_get_scan, /* SIOCGIWSCAN */
3055 (iw_handler) prism54_set_essid, /* SIOCSIWESSID */
3056 (iw_handler) prism54_get_essid, /* SIOCGIWESSID */
3057 (iw_handler) prism54_set_nick, /* SIOCSIWNICKN */
3058 (iw_handler) prism54_get_nick, /* SIOCGIWNICKN */
3059 (iw_handler) NULL, /* -- hole -- */
3060 (iw_handler) NULL, /* -- hole -- */
3061 (iw_handler) prism54_set_rate, /* SIOCSIWRATE */
3062 (iw_handler) prism54_get_rate, /* SIOCGIWRATE */
3063 (iw_handler) prism54_set_rts, /* SIOCSIWRTS */
3064 (iw_handler) prism54_get_rts, /* SIOCGIWRTS */
3065 (iw_handler) prism54_set_frag, /* SIOCSIWFRAG */
3066 (iw_handler) prism54_get_frag, /* SIOCGIWFRAG */
3067 (iw_handler) prism54_set_txpower, /* SIOCSIWTXPOW */
3068 (iw_handler) prism54_get_txpower, /* SIOCGIWTXPOW */
3069 (iw_handler) prism54_set_retry, /* SIOCSIWRETRY */
3070 (iw_handler) prism54_get_retry, /* SIOCGIWRETRY */
3071 (iw_handler) prism54_set_encode, /* SIOCSIWENCODE */
3072 (iw_handler) prism54_get_encode, /* SIOCGIWENCODE */
3073 (iw_handler) NULL, /* SIOCSIWPOWER */
3074 (iw_handler) NULL, /* SIOCGIWPOWER */
3075 NULL, /* -- hole -- */
3076 NULL, /* -- hole -- */
3077 (iw_handler) prism54_set_genie, /* SIOCSIWGENIE */
3078 (iw_handler) prism54_get_genie, /* SIOCGIWGENIE */
3079 (iw_handler) prism54_set_auth, /* SIOCSIWAUTH */
3080 (iw_handler) prism54_get_auth, /* SIOCGIWAUTH */
3081 (iw_handler) prism54_set_encodeext, /* SIOCSIWENCODEEXT */
3082 (iw_handler) prism54_get_encodeext, /* SIOCGIWENCODEEXT */
3083 NULL, /* SIOCSIWPMKSA */
3084 };
3085
3086 /* The low order bit identify a SET (0) or a GET (1) ioctl. */
3087
3088 #define PRISM54_RESET SIOCIWFIRSTPRIV
3089 #define PRISM54_GET_POLICY SIOCIWFIRSTPRIV+1
3090 #define PRISM54_SET_POLICY SIOCIWFIRSTPRIV+2
3091 #define PRISM54_GET_MAC SIOCIWFIRSTPRIV+3
3092 #define PRISM54_ADD_MAC SIOCIWFIRSTPRIV+4
3093
3094 #define PRISM54_DEL_MAC SIOCIWFIRSTPRIV+6
3095
3096 #define PRISM54_KICK_MAC SIOCIWFIRSTPRIV+8
3097
3098 #define PRISM54_KICK_ALL SIOCIWFIRSTPRIV+10
3099
3100 #define PRISM54_GET_WPA SIOCIWFIRSTPRIV+11
3101 #define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12
3102
3103 #define PRISM54_DBG_OID SIOCIWFIRSTPRIV+14
3104 #define PRISM54_DBG_GET_OID SIOCIWFIRSTPRIV+15
3105 #define PRISM54_DBG_SET_OID SIOCIWFIRSTPRIV+16
3106
3107 #define PRISM54_GET_OID SIOCIWFIRSTPRIV+17
3108 #define PRISM54_SET_OID_U32 SIOCIWFIRSTPRIV+18
3109 #define PRISM54_SET_OID_STR SIOCIWFIRSTPRIV+20
3110 #define PRISM54_SET_OID_ADDR SIOCIWFIRSTPRIV+22
3111
3112 #define PRISM54_GET_PRISMHDR SIOCIWFIRSTPRIV+23
3113 #define PRISM54_SET_PRISMHDR SIOCIWFIRSTPRIV+24
3114
3115 #define IWPRIV_SET_U32(n,x) { n, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
3116 #define IWPRIV_SET_SSID(n,x) { n, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
3117 #define IWPRIV_SET_ADDR(n,x) { n, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
3118 #define IWPRIV_GET(n,x) { n, 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, "g_"x }
3119
3120 #define IWPRIV_U32(n,x) IWPRIV_SET_U32(n,x), IWPRIV_GET(n,x)
3121 #define IWPRIV_SSID(n,x) IWPRIV_SET_SSID(n,x), IWPRIV_GET(n,x)
3122 #define IWPRIV_ADDR(n,x) IWPRIV_SET_ADDR(n,x), IWPRIV_GET(n,x)
3123
3124 /* Note : limited to 128 private ioctls (wireless tools 26) */
3125
3126 static const struct iw_priv_args prism54_private_args[] = {
3127 /*{ cmd, set_args, get_args, name } */
3128 {PRISM54_RESET, 0, 0, "reset"},
3129 {PRISM54_GET_PRISMHDR, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
3130 "get_prismhdr"},
3131 {PRISM54_SET_PRISMHDR, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
3132 "set_prismhdr"},
3133 {PRISM54_GET_POLICY, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
3134 "getPolicy"},
3135 {PRISM54_SET_POLICY, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
3136 "setPolicy"},
3137 {PRISM54_GET_MAC, 0, IW_PRIV_TYPE_ADDR | 64, "getMac"},
3138 {PRISM54_ADD_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
3139 "addMac"},
3140 {PRISM54_DEL_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
3141 "delMac"},
3142 {PRISM54_KICK_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
3143 "kickMac"},
3144 {PRISM54_KICK_ALL, 0, 0, "kickAll"},
3145 {PRISM54_GET_WPA, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
3146 "get_wpa"},
3147 {PRISM54_SET_WPA, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
3148 "set_wpa"},
3149 {PRISM54_DBG_OID, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
3150 "dbg_oid"},
3151 {PRISM54_DBG_GET_OID, 0, IW_PRIV_TYPE_BYTE | 256, "dbg_get_oid"},
3152 {PRISM54_DBG_SET_OID, IW_PRIV_TYPE_BYTE | 256, 0, "dbg_set_oid"},
3153 /* --- sub-ioctls handlers --- */
3154 {PRISM54_GET_OID,
3155 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, ""},
3156 {PRISM54_SET_OID_U32,
3157 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, ""},
3158 {PRISM54_SET_OID_STR,
3159 IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, ""},
3160 {PRISM54_SET_OID_ADDR,
3161 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, ""},
3162 /* --- sub-ioctls definitions --- */
3163 IWPRIV_ADDR(GEN_OID_MACADDRESS, "addr"),
3164 IWPRIV_GET(GEN_OID_LINKSTATE, "linkstate"),
3165 IWPRIV_U32(DOT11_OID_BSSTYPE, "bsstype"),
3166 IWPRIV_ADDR(DOT11_OID_BSSID, "bssid"),
3167 IWPRIV_U32(DOT11_OID_STATE, "state"),
3168 IWPRIV_U32(DOT11_OID_AID, "aid"),
3169
3170 IWPRIV_SSID(DOT11_OID_SSIDOVERRIDE, "ssidoverride"),
3171
3172 IWPRIV_U32(DOT11_OID_MEDIUMLIMIT, "medlimit"),
3173 IWPRIV_U32(DOT11_OID_BEACONPERIOD, "beacon"),
3174 IWPRIV_U32(DOT11_OID_DTIMPERIOD, "dtimperiod"),
3175
3176 IWPRIV_U32(DOT11_OID_AUTHENABLE, "authenable"),
3177 IWPRIV_U32(DOT11_OID_PRIVACYINVOKED, "privinvok"),
3178 IWPRIV_U32(DOT11_OID_EXUNENCRYPTED, "exunencrypt"),
3179
3180 IWPRIV_U32(DOT11_OID_REKEYTHRESHOLD, "rekeythresh"),
3181
3182 IWPRIV_U32(DOT11_OID_MAXTXLIFETIME, "maxtxlife"),
3183 IWPRIV_U32(DOT11_OID_MAXRXLIFETIME, "maxrxlife"),
3184 IWPRIV_U32(DOT11_OID_ALOFT_FIXEDRATE, "fixedrate"),
3185 IWPRIV_U32(DOT11_OID_MAXFRAMEBURST, "frameburst"),
3186 IWPRIV_U32(DOT11_OID_PSM, "psm"),
3187
3188 IWPRIV_U32(DOT11_OID_BRIDGELOCAL, "bridge"),
3189 IWPRIV_U32(DOT11_OID_CLIENTS, "clients"),
3190 IWPRIV_U32(DOT11_OID_CLIENTSASSOCIATED, "clientassoc"),
3191 IWPRIV_U32(DOT11_OID_DOT1XENABLE, "dot1xenable"),
3192 IWPRIV_U32(DOT11_OID_ANTENNARX, "rxant"),
3193 IWPRIV_U32(DOT11_OID_ANTENNATX, "txant"),
3194 IWPRIV_U32(DOT11_OID_ANTENNADIVERSITY, "antdivers"),
3195 IWPRIV_U32(DOT11_OID_EDTHRESHOLD, "edthresh"),
3196 IWPRIV_U32(DOT11_OID_PREAMBLESETTINGS, "preamble"),
3197 IWPRIV_GET(DOT11_OID_RATES, "rates"),
3198 IWPRIV_U32(DOT11_OID_OUTPUTPOWER, ".11outpower"),
3199 IWPRIV_GET(DOT11_OID_SUPPORTEDRATES, "supprates"),
3200 IWPRIV_GET(DOT11_OID_SUPPORTEDFREQUENCIES, "suppfreq"),
3201
3202 IWPRIV_U32(DOT11_OID_NOISEFLOOR, "noisefloor"),
3203 IWPRIV_GET(DOT11_OID_FREQUENCYACTIVITY, "freqactivity"),
3204 IWPRIV_U32(DOT11_OID_NONERPPROTECTION, "nonerpprotec"),
3205 IWPRIV_U32(DOT11_OID_PROFILES, "profile"),
3206 IWPRIV_GET(DOT11_OID_EXTENDEDRATES, "extrates"),
3207 IWPRIV_U32(DOT11_OID_MLMEAUTOLEVEL, "mlmelevel"),
3208
3209 IWPRIV_GET(DOT11_OID_BSSS, "bsss"),
3210 IWPRIV_GET(DOT11_OID_BSSLIST, "bsslist"),
3211 IWPRIV_U32(OID_INL_MODE, "mode"),
3212 IWPRIV_U32(OID_INL_CONFIG, "config"),
3213 IWPRIV_U32(OID_INL_DOT11D_CONFORMANCE, ".11dconform"),
3214 IWPRIV_GET(OID_INL_PHYCAPABILITIES, "phycapa"),
3215 IWPRIV_U32(OID_INL_OUTPUTPOWER, "outpower"),
3216 };
3217
3218 static const iw_handler prism54_private_handler[] = {
3219 (iw_handler) prism54_reset,
3220 (iw_handler) prism54_get_policy,
3221 (iw_handler) prism54_set_policy,
3222 (iw_handler) prism54_get_mac,
3223 (iw_handler) prism54_add_mac,
3224 (iw_handler) NULL,
3225 (iw_handler) prism54_del_mac,
3226 (iw_handler) NULL,
3227 (iw_handler) prism54_kick_mac,
3228 (iw_handler) NULL,
3229 (iw_handler) prism54_kick_all,
3230 (iw_handler) prism54_get_wpa,
3231 (iw_handler) prism54_set_wpa,
3232 (iw_handler) NULL,
3233 (iw_handler) prism54_debug_oid,
3234 (iw_handler) prism54_debug_get_oid,
3235 (iw_handler) prism54_debug_set_oid,
3236 (iw_handler) prism54_get_oid,
3237 (iw_handler) prism54_set_u32,
3238 (iw_handler) NULL,
3239 (iw_handler) prism54_set_raw,
3240 (iw_handler) NULL,
3241 (iw_handler) prism54_set_raw,
3242 (iw_handler) prism54_get_prismhdr,
3243 (iw_handler) prism54_set_prismhdr,
3244 };
3245
3246 const struct iw_handler_def prism54_handler_def = {
3247 .num_standard = sizeof (prism54_handler) / sizeof (iw_handler),
3248 .num_private = sizeof (prism54_private_handler) / sizeof (iw_handler),
3249 .num_private_args =
3250 sizeof (prism54_private_args) / sizeof (struct iw_priv_args),
3251 .standard = (iw_handler *) prism54_handler,
3252 .private = (iw_handler *) prism54_private_handler,
3253 .private_args = (struct iw_priv_args *) prism54_private_args,
3254 .get_wireless_stats = prism54_get_wireless_stats,
3255 };
3256
3257 /* For wpa_supplicant */
3258
3259 int
3260 prism54_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
3261 {
3262 struct iwreq *wrq = (struct iwreq *) rq;
3263 int ret = -1;
3264 switch (cmd) {
3265 case PRISM54_HOSTAPD:
3266 if (!capable(CAP_NET_ADMIN))
3267 return -EPERM;
3268 ret = prism54_hostapd(ndev, &wrq->u.data);
3269 return ret;
3270 }
3271 return -EOPNOTSUPP;
3272 }
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