Commit | Line | Data |
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876c9d3a MT |
1 | /** |
2 | * This file contains ioctl functions | |
3 | */ | |
4 | #include <linux/ctype.h> | |
5 | #include <linux/delay.h> | |
6 | #include <linux/if.h> | |
7 | #include <linux/if_arp.h> | |
8 | #include <linux/wireless.h> | |
9 | #include <linux/bitops.h> | |
10 | ||
11 | #include <net/ieee80211.h> | |
12 | #include <net/iw_handler.h> | |
13 | ||
14 | #include "host.h" | |
15 | #include "radiotap.h" | |
16 | #include "decl.h" | |
17 | #include "defs.h" | |
18 | #include "dev.h" | |
19 | #include "join.h" | |
876c9d3a MT |
20 | #include "wext.h" |
21 | #include "assoc.h" | |
22 | ||
23 | ||
bf68dac8 HS |
24 | /** |
25 | * the rates supported by the card | |
26 | */ | |
27 | static u8 libertas_wlan_data_rates[WLAN_SUPPORTED_RATES] = | |
28 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
29 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
30 | }; | |
31 | ||
876c9d3a MT |
32 | /** |
33 | * @brief Convert mw value to dbm value | |
34 | * | |
35 | * @param mw the value of mw | |
36 | * @return the value of dbm | |
37 | */ | |
38 | static int mw_to_dbm(int mw) | |
39 | { | |
40 | if (mw < 2) | |
41 | return 0; | |
42 | else if (mw < 3) | |
43 | return 3; | |
44 | else if (mw < 4) | |
45 | return 5; | |
46 | else if (mw < 6) | |
47 | return 7; | |
48 | else if (mw < 7) | |
49 | return 8; | |
50 | else if (mw < 8) | |
51 | return 9; | |
52 | else if (mw < 10) | |
53 | return 10; | |
54 | else if (mw < 13) | |
55 | return 11; | |
56 | else if (mw < 16) | |
57 | return 12; | |
58 | else if (mw < 20) | |
59 | return 13; | |
60 | else if (mw < 25) | |
61 | return 14; | |
62 | else if (mw < 32) | |
63 | return 15; | |
64 | else if (mw < 40) | |
65 | return 16; | |
66 | else if (mw < 50) | |
67 | return 17; | |
68 | else if (mw < 63) | |
69 | return 18; | |
70 | else if (mw < 79) | |
71 | return 19; | |
72 | else if (mw < 100) | |
73 | return 20; | |
74 | else | |
75 | return 21; | |
76 | } | |
77 | ||
78 | /** | |
79 | * @brief Find the channel frequency power info with specific channel | |
80 | * | |
81 | * @param adapter A pointer to wlan_adapter structure | |
82 | * @param band it can be BAND_A, BAND_G or BAND_B | |
83 | * @param channel the channel for looking | |
84 | * @return A pointer to struct chan_freq_power structure or NULL if not find. | |
85 | */ | |
86 | struct chan_freq_power *libertas_find_cfp_by_band_and_channel(wlan_adapter * adapter, | |
87 | u8 band, u16 channel) | |
88 | { | |
89 | struct chan_freq_power *cfp = NULL; | |
90 | struct region_channel *rc; | |
91 | int count = sizeof(adapter->region_channel) / | |
92 | sizeof(adapter->region_channel[0]); | |
93 | int i, j; | |
94 | ||
95 | for (j = 0; !cfp && (j < count); j++) { | |
96 | rc = &adapter->region_channel[j]; | |
97 | ||
98 | if (adapter->enable11d) | |
99 | rc = &adapter->universal_channel[j]; | |
100 | if (!rc->valid || !rc->CFP) | |
101 | continue; | |
102 | if (rc->band != band) | |
103 | continue; | |
104 | for (i = 0; i < rc->nrcfp; i++) { | |
105 | if (rc->CFP[i].channel == channel) { | |
106 | cfp = &rc->CFP[i]; | |
107 | break; | |
108 | } | |
109 | } | |
110 | } | |
111 | ||
112 | if (!cfp && channel) | |
9012b28a HS |
113 | lbs_deb_wext("libertas_find_cfp_by_band_and_channel: can't find " |
114 | "cfp by band %d / channel %d\n", band, channel); | |
876c9d3a MT |
115 | |
116 | return cfp; | |
117 | } | |
118 | ||
119 | /** | |
120 | * @brief Find the channel frequency power info with specific frequency | |
121 | * | |
122 | * @param adapter A pointer to wlan_adapter structure | |
123 | * @param band it can be BAND_A, BAND_G or BAND_B | |
124 | * @param freq the frequency for looking | |
125 | * @return A pointer to struct chan_freq_power structure or NULL if not find. | |
126 | */ | |
127 | static struct chan_freq_power *find_cfp_by_band_and_freq(wlan_adapter * adapter, | |
128 | u8 band, u32 freq) | |
129 | { | |
130 | struct chan_freq_power *cfp = NULL; | |
131 | struct region_channel *rc; | |
132 | int count = sizeof(adapter->region_channel) / | |
133 | sizeof(adapter->region_channel[0]); | |
134 | int i, j; | |
135 | ||
136 | for (j = 0; !cfp && (j < count); j++) { | |
137 | rc = &adapter->region_channel[j]; | |
138 | ||
139 | if (adapter->enable11d) | |
140 | rc = &adapter->universal_channel[j]; | |
141 | if (!rc->valid || !rc->CFP) | |
142 | continue; | |
143 | if (rc->band != band) | |
144 | continue; | |
145 | for (i = 0; i < rc->nrcfp; i++) { | |
146 | if (rc->CFP[i].freq == freq) { | |
147 | cfp = &rc->CFP[i]; | |
148 | break; | |
149 | } | |
150 | } | |
151 | } | |
152 | ||
153 | if (!cfp && freq) | |
9012b28a HS |
154 | lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by " |
155 | "band %d / freq %d\n", band, freq); | |
876c9d3a MT |
156 | |
157 | return cfp; | |
158 | } | |
159 | ||
876c9d3a MT |
160 | |
161 | /** | |
162 | * @brief Set Radio On/OFF | |
163 | * | |
164 | * @param priv A pointer to wlan_private structure | |
165 | * @option Radio Option | |
166 | * @return 0 --success, otherwise fail | |
167 | */ | |
168 | int wlan_radio_ioctl(wlan_private * priv, u8 option) | |
169 | { | |
170 | int ret = 0; | |
171 | wlan_adapter *adapter = priv->adapter; | |
172 | ||
9012b28a | 173 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
174 | |
175 | if (adapter->radioon != option) { | |
9012b28a | 176 | lbs_deb_wext("switching radio %s\n", option ? "on" : "off"); |
876c9d3a MT |
177 | adapter->radioon = option; |
178 | ||
179 | ret = libertas_prepare_and_send_command(priv, | |
180 | cmd_802_11_radio_control, | |
181 | cmd_act_set, | |
182 | cmd_option_waitforrsp, 0, NULL); | |
183 | } | |
184 | ||
9012b28a | 185 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
186 | return ret; |
187 | } | |
188 | ||
189 | /** | |
190 | * @brief Copy rates | |
191 | * | |
192 | * @param dest A pointer to Dest Buf | |
193 | * @param src A pointer to Src Buf | |
194 | * @param len The len of Src Buf | |
195 | * @return Number of rates copyed | |
196 | */ | |
197 | static inline int copyrates(u8 * dest, int pos, u8 * src, int len) | |
198 | { | |
199 | int i; | |
200 | ||
201 | for (i = 0; i < len && src[i]; i++, pos++) { | |
202 | if (pos >= sizeof(u8) * WLAN_SUPPORTED_RATES) | |
203 | break; | |
204 | dest[pos] = src[i]; | |
205 | } | |
206 | ||
207 | return pos; | |
208 | } | |
209 | ||
210 | /** | |
211 | * @brief Get active data rates | |
212 | * | |
213 | * @param adapter A pointer to wlan_adapter structure | |
214 | * @param rate The buf to return the active rates | |
215 | * @return The number of rates | |
216 | */ | |
217 | static int get_active_data_rates(wlan_adapter * adapter, | |
218 | u8* rates) | |
219 | { | |
220 | int k = 0; | |
221 | ||
9012b28a | 222 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
223 | |
224 | if (adapter->connect_status != libertas_connected) { | |
0dc5a290 | 225 | if (adapter->mode == IW_MODE_INFRA) { |
9012b28a | 226 | lbs_deb_wext("infra\n"); |
876c9d3a MT |
227 | k = copyrates(rates, k, libertas_supported_rates, |
228 | sizeof(libertas_supported_rates)); | |
229 | } else { | |
9012b28a | 230 | lbs_deb_wext("Adhoc G\n"); |
876c9d3a MT |
231 | k = copyrates(rates, k, libertas_adhoc_rates_g, |
232 | sizeof(libertas_adhoc_rates_g)); | |
233 | } | |
234 | } else { | |
235 | k = copyrates(rates, 0, adapter->curbssparams.datarates, | |
236 | adapter->curbssparams.numofrates); | |
237 | } | |
238 | ||
9012b28a | 239 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", k); |
876c9d3a MT |
240 | return k; |
241 | } | |
242 | ||
243 | static int wlan_get_name(struct net_device *dev, struct iw_request_info *info, | |
244 | char *cwrq, char *extra) | |
245 | { | |
246 | const char *cp; | |
247 | char comm[6] = { "COMM-" }; | |
248 | char mrvl[6] = { "MRVL-" }; | |
249 | int cnt; | |
250 | ||
9012b28a | 251 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
252 | |
253 | strcpy(cwrq, mrvl); | |
254 | ||
255 | cp = strstr(libertas_driver_version, comm); | |
256 | if (cp == libertas_driver_version) //skip leading "COMM-" | |
257 | cp = libertas_driver_version + strlen(comm); | |
258 | else | |
259 | cp = libertas_driver_version; | |
260 | ||
261 | cnt = strlen(mrvl); | |
262 | cwrq += cnt; | |
263 | while (cnt < 16 && (*cp != '-')) { | |
264 | *cwrq++ = toupper(*cp++); | |
265 | cnt++; | |
266 | } | |
267 | *cwrq = '\0'; | |
268 | ||
9012b28a | 269 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
270 | return 0; |
271 | } | |
272 | ||
273 | static int wlan_get_freq(struct net_device *dev, struct iw_request_info *info, | |
274 | struct iw_freq *fwrq, char *extra) | |
275 | { | |
276 | wlan_private *priv = dev->priv; | |
277 | wlan_adapter *adapter = priv->adapter; | |
278 | struct chan_freq_power *cfp; | |
279 | ||
9012b28a | 280 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
281 | |
282 | cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, | |
283 | adapter->curbssparams.channel); | |
284 | ||
285 | if (!cfp) { | |
286 | if (adapter->curbssparams.channel) | |
9012b28a | 287 | lbs_deb_wext("invalid channel %d\n", |
876c9d3a MT |
288 | adapter->curbssparams.channel); |
289 | return -EINVAL; | |
290 | } | |
291 | ||
292 | fwrq->m = (long)cfp->freq * 100000; | |
293 | fwrq->e = 1; | |
294 | ||
9012b28a HS |
295 | lbs_deb_wext("freq %u\n", fwrq->m); |
296 | lbs_deb_leave(LBS_DEB_WEXT); | |
876c9d3a MT |
297 | return 0; |
298 | } | |
299 | ||
300 | static int wlan_get_wap(struct net_device *dev, struct iw_request_info *info, | |
301 | struct sockaddr *awrq, char *extra) | |
302 | { | |
303 | wlan_private *priv = dev->priv; | |
304 | wlan_adapter *adapter = priv->adapter; | |
305 | ||
9012b28a | 306 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
307 | |
308 | if (adapter->connect_status == libertas_connected) { | |
309 | memcpy(awrq->sa_data, adapter->curbssparams.bssid, ETH_ALEN); | |
310 | } else { | |
311 | memset(awrq->sa_data, 0, ETH_ALEN); | |
312 | } | |
313 | awrq->sa_family = ARPHRD_ETHER; | |
314 | ||
9012b28a | 315 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
316 | return 0; |
317 | } | |
318 | ||
319 | static int wlan_set_nick(struct net_device *dev, struct iw_request_info *info, | |
320 | struct iw_point *dwrq, char *extra) | |
321 | { | |
322 | wlan_private *priv = dev->priv; | |
323 | wlan_adapter *adapter = priv->adapter; | |
324 | ||
9012b28a | 325 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
326 | |
327 | /* | |
328 | * Check the size of the string | |
329 | */ | |
330 | ||
331 | if (dwrq->length > 16) { | |
332 | return -E2BIG; | |
333 | } | |
334 | ||
335 | mutex_lock(&adapter->lock); | |
336 | memset(adapter->nodename, 0, sizeof(adapter->nodename)); | |
337 | memcpy(adapter->nodename, extra, dwrq->length); | |
338 | mutex_unlock(&adapter->lock); | |
339 | ||
9012b28a | 340 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
341 | return 0; |
342 | } | |
343 | ||
344 | static int wlan_get_nick(struct net_device *dev, struct iw_request_info *info, | |
345 | struct iw_point *dwrq, char *extra) | |
346 | { | |
347 | wlan_private *priv = dev->priv; | |
348 | wlan_adapter *adapter = priv->adapter; | |
349 | ||
9012b28a | 350 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
351 | |
352 | /* | |
353 | * Get the Nick Name saved | |
354 | */ | |
355 | ||
356 | mutex_lock(&adapter->lock); | |
357 | strncpy(extra, adapter->nodename, 16); | |
358 | mutex_unlock(&adapter->lock); | |
359 | ||
360 | extra[16] = '\0'; | |
361 | ||
362 | /* | |
363 | * If none, we may want to get the one that was set | |
364 | */ | |
365 | ||
366 | /* | |
367 | * Push it out ! | |
368 | */ | |
369 | dwrq->length = strlen(extra) + 1; | |
370 | ||
9012b28a | 371 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
372 | return 0; |
373 | } | |
374 | ||
f5e05b69 LCCR |
375 | static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info, |
376 | struct iw_point *dwrq, char *extra) | |
377 | { | |
378 | wlan_private *priv = dev->priv; | |
379 | wlan_adapter *adapter = priv->adapter; | |
380 | ||
381 | lbs_deb_enter(LBS_DEB_WEXT); | |
382 | ||
383 | /* Use nickname to indicate that mesh is on */ | |
384 | ||
385 | if (adapter->connect_status == libertas_connected) { | |
386 | strncpy(extra, "Mesh", 12); | |
387 | extra[12] = '\0'; | |
388 | dwrq->length = strlen(extra) + 1; | |
389 | } | |
390 | ||
391 | else { | |
392 | extra[0] = '\0'; | |
393 | dwrq->length = 1 ; | |
394 | } | |
395 | ||
396 | lbs_deb_leave(LBS_DEB_WEXT); | |
397 | return 0; | |
398 | } | |
876c9d3a MT |
399 | static int wlan_set_rts(struct net_device *dev, struct iw_request_info *info, |
400 | struct iw_param *vwrq, char *extra) | |
401 | { | |
402 | int ret = 0; | |
403 | wlan_private *priv = dev->priv; | |
404 | wlan_adapter *adapter = priv->adapter; | |
981f187b | 405 | u32 rthr = vwrq->value; |
876c9d3a | 406 | |
9012b28a | 407 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
408 | |
409 | if (vwrq->disabled) { | |
410 | adapter->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE; | |
411 | } else { | |
412 | if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE) | |
413 | return -EINVAL; | |
414 | adapter->rtsthsd = rthr; | |
415 | } | |
416 | ||
417 | ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, | |
418 | cmd_act_set, cmd_option_waitforrsp, | |
419 | OID_802_11_RTS_THRESHOLD, &rthr); | |
420 | ||
9012b28a | 421 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
422 | return ret; |
423 | } | |
424 | ||
425 | static int wlan_get_rts(struct net_device *dev, struct iw_request_info *info, | |
426 | struct iw_param *vwrq, char *extra) | |
427 | { | |
428 | int ret = 0; | |
429 | wlan_private *priv = dev->priv; | |
430 | wlan_adapter *adapter = priv->adapter; | |
431 | ||
9012b28a | 432 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
433 | |
434 | adapter->rtsthsd = 0; | |
435 | ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, | |
436 | cmd_act_get, cmd_option_waitforrsp, | |
437 | OID_802_11_RTS_THRESHOLD, NULL); | |
9012b28a HS |
438 | if (ret) |
439 | goto out; | |
876c9d3a MT |
440 | |
441 | vwrq->value = adapter->rtsthsd; | |
442 | vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE) | |
443 | || (vwrq->value > MRVDRV_RTS_MAX_VALUE)); | |
444 | vwrq->fixed = 1; | |
445 | ||
9012b28a HS |
446 | out: |
447 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
448 | return ret; | |
876c9d3a MT |
449 | } |
450 | ||
451 | static int wlan_set_frag(struct net_device *dev, struct iw_request_info *info, | |
452 | struct iw_param *vwrq, char *extra) | |
453 | { | |
454 | int ret = 0; | |
981f187b | 455 | u32 fthr = vwrq->value; |
876c9d3a MT |
456 | wlan_private *priv = dev->priv; |
457 | wlan_adapter *adapter = priv->adapter; | |
458 | ||
9012b28a | 459 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
460 | |
461 | if (vwrq->disabled) { | |
462 | adapter->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE; | |
463 | } else { | |
464 | if (fthr < MRVDRV_FRAG_MIN_VALUE | |
465 | || fthr > MRVDRV_FRAG_MAX_VALUE) | |
466 | return -EINVAL; | |
467 | adapter->fragthsd = fthr; | |
468 | } | |
469 | ||
470 | ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, | |
471 | cmd_act_set, cmd_option_waitforrsp, | |
472 | OID_802_11_FRAGMENTATION_THRESHOLD, &fthr); | |
9012b28a HS |
473 | |
474 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
876c9d3a MT |
475 | return ret; |
476 | } | |
477 | ||
478 | static int wlan_get_frag(struct net_device *dev, struct iw_request_info *info, | |
479 | struct iw_param *vwrq, char *extra) | |
480 | { | |
481 | int ret = 0; | |
482 | wlan_private *priv = dev->priv; | |
483 | wlan_adapter *adapter = priv->adapter; | |
484 | ||
9012b28a | 485 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
486 | |
487 | adapter->fragthsd = 0; | |
488 | ret = libertas_prepare_and_send_command(priv, | |
489 | cmd_802_11_snmp_mib, | |
490 | cmd_act_get, cmd_option_waitforrsp, | |
491 | OID_802_11_FRAGMENTATION_THRESHOLD, NULL); | |
9012b28a HS |
492 | if (ret) |
493 | goto out; | |
876c9d3a MT |
494 | |
495 | vwrq->value = adapter->fragthsd; | |
496 | vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE) | |
497 | || (vwrq->value > MRVDRV_FRAG_MAX_VALUE)); | |
498 | vwrq->fixed = 1; | |
499 | ||
9012b28a HS |
500 | out: |
501 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
876c9d3a MT |
502 | return ret; |
503 | } | |
504 | ||
505 | static int wlan_get_mode(struct net_device *dev, | |
506 | struct iw_request_info *info, u32 * uwrq, char *extra) | |
507 | { | |
508 | wlan_private *priv = dev->priv; | |
509 | wlan_adapter *adapter = priv->adapter; | |
510 | ||
9012b28a | 511 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a | 512 | |
0dc5a290 | 513 | *uwrq = adapter->mode; |
876c9d3a | 514 | |
9012b28a | 515 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
516 | return 0; |
517 | } | |
518 | ||
f5e05b69 LCCR |
519 | static int mesh_wlan_get_mode(struct net_device *dev, |
520 | struct iw_request_info *info, u32 * uwrq, | |
521 | char *extra) | |
522 | { | |
523 | lbs_deb_enter(LBS_DEB_WEXT); | |
524 | ||
525 | *uwrq = IW_MODE_REPEAT ; | |
526 | ||
527 | lbs_deb_leave(LBS_DEB_WEXT); | |
528 | return 0; | |
529 | } | |
530 | ||
876c9d3a MT |
531 | static int wlan_get_txpow(struct net_device *dev, |
532 | struct iw_request_info *info, | |
533 | struct iw_param *vwrq, char *extra) | |
534 | { | |
535 | int ret = 0; | |
536 | wlan_private *priv = dev->priv; | |
537 | wlan_adapter *adapter = priv->adapter; | |
538 | ||
9012b28a | 539 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
540 | |
541 | ret = libertas_prepare_and_send_command(priv, | |
542 | cmd_802_11_rf_tx_power, | |
543 | cmd_act_tx_power_opt_get, | |
544 | cmd_option_waitforrsp, 0, NULL); | |
545 | ||
9012b28a HS |
546 | if (ret) |
547 | goto out; | |
876c9d3a | 548 | |
9012b28a | 549 | lbs_deb_wext("tx power level %d dbm\n", adapter->txpowerlevel); |
876c9d3a MT |
550 | vwrq->value = adapter->txpowerlevel; |
551 | vwrq->fixed = 1; | |
552 | if (adapter->radioon) { | |
553 | vwrq->disabled = 0; | |
554 | vwrq->flags = IW_TXPOW_DBM; | |
555 | } else { | |
556 | vwrq->disabled = 1; | |
557 | } | |
558 | ||
9012b28a HS |
559 | out: |
560 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
561 | return ret; | |
876c9d3a MT |
562 | } |
563 | ||
564 | static int wlan_set_retry(struct net_device *dev, struct iw_request_info *info, | |
565 | struct iw_param *vwrq, char *extra) | |
566 | { | |
567 | int ret = 0; | |
568 | wlan_private *priv = dev->priv; | |
569 | wlan_adapter *adapter = priv->adapter; | |
570 | ||
9012b28a | 571 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
572 | |
573 | if (vwrq->flags == IW_RETRY_LIMIT) { | |
574 | /* The MAC has a 4-bit Total_Tx_Count register | |
575 | Total_Tx_Count = 1 + Tx_Retry_Count */ | |
576 | #define TX_RETRY_MIN 0 | |
577 | #define TX_RETRY_MAX 14 | |
578 | if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX) | |
579 | return -EINVAL; | |
580 | ||
581 | /* Adding 1 to convert retry count to try count */ | |
582 | adapter->txretrycount = vwrq->value + 1; | |
583 | ||
584 | ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, | |
585 | cmd_act_set, | |
586 | cmd_option_waitforrsp, | |
587 | OID_802_11_TX_RETRYCOUNT, NULL); | |
588 | ||
9012b28a HS |
589 | if (ret) |
590 | goto out; | |
876c9d3a MT |
591 | } else { |
592 | return -EOPNOTSUPP; | |
593 | } | |
594 | ||
9012b28a HS |
595 | out: |
596 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
597 | return ret; | |
876c9d3a MT |
598 | } |
599 | ||
600 | static int wlan_get_retry(struct net_device *dev, struct iw_request_info *info, | |
601 | struct iw_param *vwrq, char *extra) | |
602 | { | |
603 | wlan_private *priv = dev->priv; | |
604 | wlan_adapter *adapter = priv->adapter; | |
605 | int ret = 0; | |
606 | ||
9012b28a HS |
607 | lbs_deb_enter(LBS_DEB_WEXT); |
608 | ||
876c9d3a MT |
609 | adapter->txretrycount = 0; |
610 | ret = libertas_prepare_and_send_command(priv, | |
611 | cmd_802_11_snmp_mib, | |
612 | cmd_act_get, cmd_option_waitforrsp, | |
613 | OID_802_11_TX_RETRYCOUNT, NULL); | |
9012b28a HS |
614 | if (ret) |
615 | goto out; | |
616 | ||
876c9d3a MT |
617 | vwrq->disabled = 0; |
618 | if (!vwrq->flags) { | |
619 | vwrq->flags = IW_RETRY_LIMIT; | |
620 | /* Subtract 1 to convert try count to retry count */ | |
621 | vwrq->value = adapter->txretrycount - 1; | |
622 | } | |
623 | ||
9012b28a HS |
624 | out: |
625 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
626 | return ret; | |
876c9d3a MT |
627 | } |
628 | ||
629 | static inline void sort_channels(struct iw_freq *freq, int num) | |
630 | { | |
631 | int i, j; | |
632 | struct iw_freq temp; | |
633 | ||
634 | for (i = 0; i < num; i++) | |
635 | for (j = i + 1; j < num; j++) | |
636 | if (freq[i].i > freq[j].i) { | |
637 | temp.i = freq[i].i; | |
638 | temp.m = freq[i].m; | |
639 | ||
640 | freq[i].i = freq[j].i; | |
641 | freq[i].m = freq[j].m; | |
642 | ||
643 | freq[j].i = temp.i; | |
644 | freq[j].m = temp.m; | |
645 | } | |
646 | } | |
647 | ||
648 | /* data rate listing | |
649 | MULTI_BANDS: | |
650 | abg a b b/g | |
651 | Infra G(12) A(8) B(4) G(12) | |
652 | Adhoc A+B(12) A(8) B(4) B(4) | |
653 | ||
654 | non-MULTI_BANDS: | |
655 | b b/g | |
656 | Infra B(4) G(12) | |
657 | Adhoc B(4) B(4) | |
658 | */ | |
659 | /** | |
660 | * @brief Get Range Info | |
661 | * | |
662 | * @param dev A pointer to net_device structure | |
663 | * @param info A pointer to iw_request_info structure | |
664 | * @param vwrq A pointer to iw_param structure | |
665 | * @param extra A pointer to extra data buf | |
666 | * @return 0 --success, otherwise fail | |
667 | */ | |
668 | static int wlan_get_range(struct net_device *dev, struct iw_request_info *info, | |
669 | struct iw_point *dwrq, char *extra) | |
670 | { | |
671 | int i, j; | |
672 | wlan_private *priv = dev->priv; | |
673 | wlan_adapter *adapter = priv->adapter; | |
674 | struct iw_range *range = (struct iw_range *)extra; | |
675 | struct chan_freq_power *cfp; | |
676 | u8 rates[WLAN_SUPPORTED_RATES]; | |
677 | ||
678 | u8 flag = 0; | |
679 | ||
9012b28a | 680 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
681 | |
682 | dwrq->length = sizeof(struct iw_range); | |
683 | memset(range, 0, sizeof(struct iw_range)); | |
684 | ||
685 | range->min_nwid = 0; | |
686 | range->max_nwid = 0; | |
687 | ||
688 | memset(rates, 0, sizeof(rates)); | |
689 | range->num_bitrates = get_active_data_rates(adapter, rates); | |
690 | ||
691 | for (i = 0; i < min_t(__u8, range->num_bitrates, IW_MAX_BITRATES) && rates[i]; | |
692 | i++) { | |
693 | range->bitrate[i] = (rates[i] & 0x7f) * 500000; | |
694 | } | |
695 | range->num_bitrates = i; | |
9012b28a | 696 | lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES, |
876c9d3a MT |
697 | range->num_bitrates); |
698 | ||
699 | range->num_frequency = 0; | |
700 | if (priv->adapter->enable11d && | |
701 | adapter->connect_status == libertas_connected) { | |
702 | u8 chan_no; | |
703 | u8 band; | |
704 | ||
705 | struct parsed_region_chan_11d *parsed_region_chan = | |
706 | &adapter->parsed_region_chan; | |
707 | ||
708 | if (parsed_region_chan == NULL) { | |
9012b28a HS |
709 | lbs_deb_wext("11d: parsed_region_chan is NULL\n"); |
710 | goto out; | |
876c9d3a MT |
711 | } |
712 | band = parsed_region_chan->band; | |
9012b28a | 713 | lbs_deb_wext("band %d, nr_char %d\n", band, |
876c9d3a MT |
714 | parsed_region_chan->nr_chan); |
715 | ||
716 | for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES) | |
717 | && (i < parsed_region_chan->nr_chan); i++) { | |
718 | chan_no = parsed_region_chan->chanpwr[i].chan; | |
9012b28a | 719 | lbs_deb_wext("chan_no %d\n", chan_no); |
876c9d3a MT |
720 | range->freq[range->num_frequency].i = (long)chan_no; |
721 | range->freq[range->num_frequency].m = | |
722 | (long)libertas_chan_2_freq(chan_no, band) * 100000; | |
723 | range->freq[range->num_frequency].e = 1; | |
724 | range->num_frequency++; | |
725 | } | |
726 | flag = 1; | |
727 | } | |
728 | if (!flag) { | |
729 | for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES) | |
730 | && (j < sizeof(adapter->region_channel) | |
731 | / sizeof(adapter->region_channel[0])); j++) { | |
732 | cfp = adapter->region_channel[j].CFP; | |
733 | for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES) | |
734 | && adapter->region_channel[j].valid | |
735 | && cfp | |
736 | && (i < adapter->region_channel[j].nrcfp); i++) { | |
737 | range->freq[range->num_frequency].i = | |
738 | (long)cfp->channel; | |
739 | range->freq[range->num_frequency].m = | |
740 | (long)cfp->freq * 100000; | |
741 | range->freq[range->num_frequency].e = 1; | |
742 | cfp++; | |
743 | range->num_frequency++; | |
744 | } | |
745 | } | |
746 | } | |
747 | ||
9012b28a | 748 | lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n", |
876c9d3a MT |
749 | IW_MAX_FREQUENCIES, range->num_frequency); |
750 | ||
751 | range->num_channels = range->num_frequency; | |
752 | ||
753 | sort_channels(&range->freq[0], range->num_frequency); | |
754 | ||
755 | /* | |
756 | * Set an indication of the max TCP throughput in bit/s that we can | |
757 | * expect using this interface | |
758 | */ | |
759 | if (i > 2) | |
760 | range->throughput = 5000 * 1000; | |
761 | else | |
762 | range->throughput = 1500 * 1000; | |
763 | ||
764 | range->min_rts = MRVDRV_RTS_MIN_VALUE; | |
765 | range->max_rts = MRVDRV_RTS_MAX_VALUE; | |
766 | range->min_frag = MRVDRV_FRAG_MIN_VALUE; | |
767 | range->max_frag = MRVDRV_FRAG_MAX_VALUE; | |
768 | ||
769 | range->encoding_size[0] = 5; | |
770 | range->encoding_size[1] = 13; | |
771 | range->num_encoding_sizes = 2; | |
772 | range->max_encoding_tokens = 4; | |
773 | ||
774 | range->min_pmp = 1000000; | |
775 | range->max_pmp = 120000000; | |
776 | range->min_pmt = 1000; | |
777 | range->max_pmt = 1000000; | |
778 | range->pmp_flags = IW_POWER_PERIOD; | |
779 | range->pmt_flags = IW_POWER_TIMEOUT; | |
780 | range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; | |
781 | ||
782 | /* | |
783 | * Minimum version we recommend | |
784 | */ | |
785 | range->we_version_source = 15; | |
786 | ||
787 | /* | |
788 | * Version we are compiled with | |
789 | */ | |
790 | range->we_version_compiled = WIRELESS_EXT; | |
791 | ||
792 | range->retry_capa = IW_RETRY_LIMIT; | |
793 | range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX; | |
794 | ||
795 | range->min_retry = TX_RETRY_MIN; | |
796 | range->max_retry = TX_RETRY_MAX; | |
797 | ||
798 | /* | |
799 | * Set the qual, level and noise range values | |
800 | */ | |
801 | range->max_qual.qual = 100; | |
802 | range->max_qual.level = 0; | |
803 | range->max_qual.noise = 0; | |
804 | range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; | |
805 | ||
806 | range->avg_qual.qual = 70; | |
807 | /* TODO: Find real 'good' to 'bad' threshold value for RSSI */ | |
808 | range->avg_qual.level = 0; | |
809 | range->avg_qual.noise = 0; | |
810 | range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; | |
811 | ||
812 | range->sensitivity = 0; | |
813 | ||
814 | /* | |
815 | * Setup the supported power level ranges | |
816 | */ | |
817 | memset(range->txpower, 0, sizeof(range->txpower)); | |
818 | range->txpower[0] = 5; | |
819 | range->txpower[1] = 7; | |
820 | range->txpower[2] = 9; | |
821 | range->txpower[3] = 11; | |
822 | range->txpower[4] = 13; | |
823 | range->txpower[5] = 15; | |
824 | range->txpower[6] = 17; | |
825 | range->txpower[7] = 19; | |
826 | ||
827 | range->num_txpower = 8; | |
828 | range->txpower_capa = IW_TXPOW_DBM; | |
829 | range->txpower_capa |= IW_TXPOW_RANGE; | |
830 | ||
831 | range->event_capa[0] = (IW_EVENT_CAPA_K_0 | | |
832 | IW_EVENT_CAPA_MASK(SIOCGIWAP) | | |
833 | IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); | |
834 | range->event_capa[1] = IW_EVENT_CAPA_K_1; | |
835 | ||
836 | if (adapter->fwcapinfo & FW_CAPINFO_WPA) { | |
837 | range->enc_capa = IW_ENC_CAPA_WPA | |
838 | | IW_ENC_CAPA_WPA2 | |
839 | | IW_ENC_CAPA_CIPHER_TKIP | |
840 | | IW_ENC_CAPA_CIPHER_CCMP; | |
841 | } | |
842 | ||
9012b28a HS |
843 | out: |
844 | lbs_deb_leave(LBS_DEB_WEXT); | |
876c9d3a MT |
845 | return 0; |
846 | } | |
847 | ||
848 | static int wlan_set_power(struct net_device *dev, struct iw_request_info *info, | |
849 | struct iw_param *vwrq, char *extra) | |
850 | { | |
851 | wlan_private *priv = dev->priv; | |
852 | wlan_adapter *adapter = priv->adapter; | |
853 | ||
9012b28a | 854 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
855 | |
856 | /* PS is currently supported only in Infrastructure mode | |
857 | * Remove this check if it is to be supported in IBSS mode also | |
858 | */ | |
859 | ||
860 | if (vwrq->disabled) { | |
861 | adapter->psmode = wlan802_11powermodecam; | |
862 | if (adapter->psstate != PS_STATE_FULL_POWER) { | |
863 | libertas_ps_wakeup(priv, cmd_option_waitforrsp); | |
864 | } | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
869 | if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { | |
9012b28a HS |
870 | lbs_deb_wext( |
871 | "setting power timeout is not supported\n"); | |
876c9d3a MT |
872 | return -EINVAL; |
873 | } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) { | |
9012b28a | 874 | lbs_deb_wext("setting power period not supported\n"); |
876c9d3a MT |
875 | return -EINVAL; |
876 | } | |
877 | ||
878 | if (adapter->psmode != wlan802_11powermodecam) { | |
879 | return 0; | |
880 | } | |
881 | ||
882 | adapter->psmode = wlan802_11powermodemax_psp; | |
883 | ||
884 | if (adapter->connect_status == libertas_connected) { | |
885 | libertas_ps_sleep(priv, cmd_option_waitforrsp); | |
886 | } | |
887 | ||
9012b28a | 888 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
889 | return 0; |
890 | } | |
891 | ||
892 | static int wlan_get_power(struct net_device *dev, struct iw_request_info *info, | |
893 | struct iw_param *vwrq, char *extra) | |
894 | { | |
895 | wlan_private *priv = dev->priv; | |
896 | wlan_adapter *adapter = priv->adapter; | |
897 | int mode; | |
898 | ||
9012b28a | 899 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
900 | |
901 | mode = adapter->psmode; | |
902 | ||
903 | if ((vwrq->disabled = (mode == wlan802_11powermodecam)) | |
9012b28a HS |
904 | || adapter->connect_status == libertas_disconnected) |
905 | { | |
906 | goto out; | |
876c9d3a MT |
907 | } |
908 | ||
909 | vwrq->value = 0; | |
910 | ||
9012b28a HS |
911 | out: |
912 | lbs_deb_leave(LBS_DEB_WEXT); | |
876c9d3a MT |
913 | return 0; |
914 | } | |
915 | ||
876c9d3a MT |
916 | static struct iw_statistics *wlan_get_wireless_stats(struct net_device *dev) |
917 | { | |
918 | enum { | |
919 | POOR = 30, | |
920 | FAIR = 60, | |
921 | GOOD = 80, | |
922 | VERY_GOOD = 90, | |
923 | EXCELLENT = 95, | |
924 | PERFECT = 100 | |
925 | }; | |
926 | wlan_private *priv = dev->priv; | |
927 | wlan_adapter *adapter = priv->adapter; | |
928 | u32 rssi_qual; | |
929 | u32 tx_qual; | |
930 | u32 quality = 0; | |
931 | int stats_valid = 0; | |
932 | u8 rssi; | |
933 | u32 tx_retries; | |
934 | ||
9012b28a | 935 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a | 936 | |
0dc5a290 | 937 | priv->wstats.status = adapter->mode; |
876c9d3a MT |
938 | |
939 | /* If we're not associated, all quality values are meaningless */ | |
940 | if (adapter->connect_status != libertas_connected) | |
941 | goto out; | |
942 | ||
943 | /* Quality by RSSI */ | |
944 | priv->wstats.qual.level = | |
945 | CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG], | |
946 | adapter->NF[TYPE_BEACON][TYPE_NOAVG]); | |
947 | ||
948 | if (adapter->NF[TYPE_BEACON][TYPE_NOAVG] == 0) { | |
949 | priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE; | |
950 | } else { | |
951 | priv->wstats.qual.noise = | |
952 | CAL_NF(adapter->NF[TYPE_BEACON][TYPE_NOAVG]); | |
953 | } | |
954 | ||
9012b28a HS |
955 | lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level); |
956 | lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise); | |
876c9d3a MT |
957 | |
958 | rssi = priv->wstats.qual.level - priv->wstats.qual.noise; | |
959 | if (rssi < 15) | |
960 | rssi_qual = rssi * POOR / 10; | |
961 | else if (rssi < 20) | |
962 | rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR; | |
963 | else if (rssi < 30) | |
964 | rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR; | |
965 | else if (rssi < 40) | |
966 | rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) / | |
967 | 10 + GOOD; | |
968 | else | |
969 | rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) / | |
970 | 10 + VERY_GOOD; | |
971 | quality = rssi_qual; | |
972 | ||
973 | /* Quality by TX errors */ | |
974 | priv->wstats.discard.retries = priv->stats.tx_errors; | |
975 | ||
981f187b | 976 | tx_retries = le16_to_cpu(adapter->logmsg.retry); |
876c9d3a MT |
977 | |
978 | if (tx_retries > 75) | |
979 | tx_qual = (90 - tx_retries) * POOR / 15; | |
980 | else if (tx_retries > 70) | |
981 | tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR; | |
982 | else if (tx_retries > 65) | |
983 | tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR; | |
984 | else if (tx_retries > 50) | |
985 | tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) / | |
986 | 15 + GOOD; | |
987 | else | |
988 | tx_qual = (50 - tx_retries) * | |
989 | (PERFECT - VERY_GOOD) / 50 + VERY_GOOD; | |
990 | quality = min(quality, tx_qual); | |
991 | ||
981f187b DW |
992 | priv->wstats.discard.code = le16_to_cpu(adapter->logmsg.wepundecryptable); |
993 | priv->wstats.discard.fragment = le16_to_cpu(adapter->logmsg.rxfrag); | |
876c9d3a | 994 | priv->wstats.discard.retries = tx_retries; |
981f187b | 995 | priv->wstats.discard.misc = le16_to_cpu(adapter->logmsg.ackfailure); |
876c9d3a MT |
996 | |
997 | /* Calculate quality */ | |
998 | priv->wstats.qual.qual = max(quality, (u32)100); | |
999 | priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; | |
1000 | stats_valid = 1; | |
1001 | ||
1002 | /* update stats asynchronously for future calls */ | |
1003 | libertas_prepare_and_send_command(priv, cmd_802_11_rssi, 0, | |
1004 | 0, 0, NULL); | |
1005 | libertas_prepare_and_send_command(priv, cmd_802_11_get_log, 0, | |
1006 | 0, 0, NULL); | |
1007 | out: | |
1008 | if (!stats_valid) { | |
1009 | priv->wstats.miss.beacon = 0; | |
1010 | priv->wstats.discard.retries = 0; | |
1011 | priv->wstats.qual.qual = 0; | |
1012 | priv->wstats.qual.level = 0; | |
1013 | priv->wstats.qual.noise = 0; | |
1014 | priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED; | |
1015 | priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID | | |
1016 | IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID; | |
1017 | } | |
1018 | ||
9012b28a | 1019 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
1020 | return &priv->wstats; |
1021 | ||
1022 | ||
1023 | } | |
1024 | ||
1025 | static int wlan_set_freq(struct net_device *dev, struct iw_request_info *info, | |
1026 | struct iw_freq *fwrq, char *extra) | |
1027 | { | |
ef9a264b | 1028 | int ret = -EINVAL; |
876c9d3a MT |
1029 | wlan_private *priv = dev->priv; |
1030 | wlan_adapter *adapter = priv->adapter; | |
876c9d3a | 1031 | struct chan_freq_power *cfp; |
ef9a264b | 1032 | struct assoc_request * assoc_req; |
876c9d3a | 1033 | |
9012b28a | 1034 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a | 1035 | |
ef9a264b DW |
1036 | mutex_lock(&adapter->lock); |
1037 | assoc_req = wlan_get_association_request(adapter); | |
1038 | if (!assoc_req) { | |
1039 | ret = -ENOMEM; | |
1040 | goto out; | |
1041 | } | |
876c9d3a | 1042 | |
ef9a264b DW |
1043 | /* If setting by frequency, convert to a channel */ |
1044 | if (fwrq->e == 1) { | |
876c9d3a | 1045 | long f = fwrq->m / 100000; |
876c9d3a MT |
1046 | |
1047 | cfp = find_cfp_by_band_and_freq(adapter, 0, f); | |
1048 | if (!cfp) { | |
9012b28a | 1049 | lbs_deb_wext("invalid freq %ld\n", f); |
ef9a264b | 1050 | goto out; |
876c9d3a MT |
1051 | } |
1052 | ||
876c9d3a | 1053 | fwrq->e = 0; |
ef9a264b | 1054 | fwrq->m = (int) cfp->channel; |
876c9d3a MT |
1055 | } |
1056 | ||
ef9a264b | 1057 | /* Setting by channel number */ |
876c9d3a | 1058 | if (fwrq->m > 1000 || fwrq->e > 0) { |
ef9a264b DW |
1059 | goto out; |
1060 | } | |
876c9d3a | 1061 | |
ef9a264b DW |
1062 | cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, fwrq->m); |
1063 | if (!cfp) { | |
1064 | goto out; | |
876c9d3a MT |
1065 | } |
1066 | ||
ef9a264b DW |
1067 | assoc_req->channel = fwrq->m; |
1068 | ret = 0; | |
1069 | ||
9012b28a | 1070 | out: |
ef9a264b DW |
1071 | if (ret == 0) { |
1072 | set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags); | |
1073 | wlan_postpone_association_work(priv); | |
1074 | } else { | |
1075 | wlan_cancel_association_work(priv); | |
1076 | } | |
1077 | mutex_unlock(&adapter->lock); | |
1078 | ||
1079 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
1080 | return ret; | |
876c9d3a MT |
1081 | } |
1082 | ||
1083 | /** | |
1084 | * @brief use index to get the data rate | |
1085 | * | |
1086 | * @param index The index of data rate | |
1087 | * @return data rate or 0 | |
1088 | */ | |
1089 | u32 libertas_index_to_data_rate(u8 index) | |
1090 | { | |
1091 | if (index >= sizeof(libertas_wlan_data_rates)) | |
1092 | index = 0; | |
1093 | ||
1094 | return libertas_wlan_data_rates[index]; | |
1095 | } | |
1096 | ||
1097 | /** | |
1098 | * @brief use rate to get the index | |
1099 | * | |
1100 | * @param rate data rate | |
1101 | * @return index or 0 | |
1102 | */ | |
1103 | u8 libertas_data_rate_to_index(u32 rate) | |
1104 | { | |
1105 | u8 *ptr; | |
1106 | ||
1107 | if (rate) | |
1108 | if ((ptr = memchr(libertas_wlan_data_rates, (u8) rate, | |
1109 | sizeof(libertas_wlan_data_rates)))) | |
1110 | return (ptr - libertas_wlan_data_rates); | |
1111 | ||
1112 | return 0; | |
1113 | } | |
1114 | ||
1115 | static int wlan_set_rate(struct net_device *dev, struct iw_request_info *info, | |
1116 | struct iw_param *vwrq, char *extra) | |
1117 | { | |
1118 | wlan_private *priv = dev->priv; | |
1119 | wlan_adapter *adapter = priv->adapter; | |
1120 | u32 data_rate; | |
1121 | u16 action; | |
1122 | int ret = 0; | |
1123 | u8 rates[WLAN_SUPPORTED_RATES]; | |
1124 | u8 *rate; | |
1125 | ||
9012b28a | 1126 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a | 1127 | |
9012b28a | 1128 | lbs_deb_wext("vwrq->value %d\n", vwrq->value); |
876c9d3a MT |
1129 | |
1130 | if (vwrq->value == -1) { | |
1131 | action = cmd_act_set_tx_auto; // Auto | |
1132 | adapter->is_datarate_auto = 1; | |
1133 | adapter->datarate = 0; | |
1134 | } else { | |
1135 | if (vwrq->value % 100000) { | |
1136 | return -EINVAL; | |
1137 | } | |
1138 | ||
1139 | data_rate = vwrq->value / 500000; | |
1140 | ||
1141 | memset(rates, 0, sizeof(rates)); | |
1142 | get_active_data_rates(adapter, rates); | |
1143 | rate = rates; | |
1144 | while (*rate) { | |
9012b28a | 1145 | lbs_deb_wext("rate=0x%X, wanted data_rate 0x%X\n", *rate, |
876c9d3a MT |
1146 | data_rate); |
1147 | if ((*rate & 0x7f) == (data_rate & 0x7f)) | |
1148 | break; | |
1149 | rate++; | |
1150 | } | |
1151 | if (!*rate) { | |
9012b28a HS |
1152 | lbs_pr_alert("fixed data rate 0x%X out " |
1153 | "of range\n", data_rate); | |
876c9d3a MT |
1154 | return -EINVAL; |
1155 | } | |
1156 | ||
1157 | adapter->datarate = data_rate; | |
1158 | action = cmd_act_set_tx_fix_rate; | |
1159 | adapter->is_datarate_auto = 0; | |
1160 | } | |
1161 | ||
1162 | ret = libertas_prepare_and_send_command(priv, cmd_802_11_data_rate, | |
1163 | action, cmd_option_waitforrsp, 0, NULL); | |
1164 | ||
9012b28a | 1165 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
1166 | return ret; |
1167 | } | |
1168 | ||
1169 | static int wlan_get_rate(struct net_device *dev, struct iw_request_info *info, | |
1170 | struct iw_param *vwrq, char *extra) | |
1171 | { | |
1172 | wlan_private *priv = dev->priv; | |
1173 | wlan_adapter *adapter = priv->adapter; | |
1174 | ||
9012b28a | 1175 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1176 | |
1177 | if (adapter->is_datarate_auto) { | |
1178 | vwrq->fixed = 0; | |
1179 | } else { | |
1180 | vwrq->fixed = 1; | |
1181 | } | |
1182 | ||
1183 | vwrq->value = adapter->datarate * 500000; | |
1184 | ||
9012b28a | 1185 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
1186 | return 0; |
1187 | } | |
1188 | ||
1189 | static int wlan_set_mode(struct net_device *dev, | |
1190 | struct iw_request_info *info, u32 * uwrq, char *extra) | |
1191 | { | |
1192 | int ret = 0; | |
1193 | wlan_private *priv = dev->priv; | |
1194 | wlan_adapter *adapter = priv->adapter; | |
1195 | struct assoc_request * assoc_req; | |
876c9d3a | 1196 | |
9012b28a | 1197 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a | 1198 | |
0dc5a290 DW |
1199 | if ( (*uwrq != IW_MODE_ADHOC) |
1200 | && (*uwrq != IW_MODE_INFRA) | |
1201 | && (*uwrq != IW_MODE_AUTO)) { | |
9012b28a | 1202 | lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq); |
0dc5a290 DW |
1203 | ret = -EINVAL; |
1204 | goto out; | |
876c9d3a MT |
1205 | } |
1206 | ||
1207 | mutex_lock(&adapter->lock); | |
1208 | assoc_req = wlan_get_association_request(adapter); | |
1209 | if (!assoc_req) { | |
1210 | ret = -ENOMEM; | |
0dc5a290 | 1211 | wlan_cancel_association_work(priv); |
876c9d3a | 1212 | } else { |
0dc5a290 | 1213 | assoc_req->mode = *uwrq; |
876c9d3a MT |
1214 | set_bit(ASSOC_FLAG_MODE, &assoc_req->flags); |
1215 | wlan_postpone_association_work(priv); | |
9012b28a | 1216 | lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq); |
876c9d3a MT |
1217 | } |
1218 | mutex_unlock(&adapter->lock); | |
1219 | ||
0dc5a290 | 1220 | out: |
9012b28a | 1221 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
1222 | return ret; |
1223 | } | |
1224 | ||
1225 | ||
1226 | /** | |
1227 | * @brief Get Encryption key | |
1228 | * | |
1229 | * @param dev A pointer to net_device structure | |
1230 | * @param info A pointer to iw_request_info structure | |
1231 | * @param vwrq A pointer to iw_param structure | |
1232 | * @param extra A pointer to extra data buf | |
1233 | * @return 0 --success, otherwise fail | |
1234 | */ | |
1235 | static int wlan_get_encode(struct net_device *dev, | |
1236 | struct iw_request_info *info, | |
1237 | struct iw_point *dwrq, u8 * extra) | |
1238 | { | |
1239 | wlan_private *priv = dev->priv; | |
1240 | wlan_adapter *adapter = priv->adapter; | |
1241 | int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; | |
1242 | ||
9012b28a | 1243 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a | 1244 | |
9012b28a | 1245 | lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n", |
876c9d3a MT |
1246 | dwrq->flags, index, dwrq->length, adapter->wep_tx_keyidx); |
1247 | ||
1248 | dwrq->flags = 0; | |
1249 | ||
1250 | /* Authentication method */ | |
6affe785 DW |
1251 | switch (adapter->secinfo.auth_mode) { |
1252 | case IW_AUTH_ALG_OPEN_SYSTEM: | |
876c9d3a MT |
1253 | dwrq->flags = IW_ENCODE_OPEN; |
1254 | break; | |
1255 | ||
6affe785 DW |
1256 | case IW_AUTH_ALG_SHARED_KEY: |
1257 | case IW_AUTH_ALG_LEAP: | |
876c9d3a MT |
1258 | dwrq->flags = IW_ENCODE_RESTRICTED; |
1259 | break; | |
1260 | default: | |
1261 | dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN; | |
1262 | break; | |
1263 | } | |
1264 | ||
889c05bd DW |
1265 | if ( adapter->secinfo.wep_enabled |
1266 | || adapter->secinfo.WPAenabled | |
1267 | || adapter->secinfo.WPA2enabled) { | |
876c9d3a MT |
1268 | dwrq->flags &= ~IW_ENCODE_DISABLED; |
1269 | } else { | |
1270 | dwrq->flags |= IW_ENCODE_DISABLED; | |
1271 | } | |
1272 | ||
1273 | memset(extra, 0, 16); | |
1274 | ||
1275 | mutex_lock(&adapter->lock); | |
1276 | ||
1277 | /* Default to returning current transmit key */ | |
1278 | if (index < 0) | |
1279 | index = adapter->wep_tx_keyidx; | |
1280 | ||
889c05bd | 1281 | if ((adapter->wep_keys[index].len) && adapter->secinfo.wep_enabled) { |
876c9d3a MT |
1282 | memcpy(extra, adapter->wep_keys[index].key, |
1283 | adapter->wep_keys[index].len); | |
1284 | dwrq->length = adapter->wep_keys[index].len; | |
1285 | ||
1286 | dwrq->flags |= (index + 1); | |
1287 | /* Return WEP enabled */ | |
1288 | dwrq->flags &= ~IW_ENCODE_DISABLED; | |
1289 | } else if ((adapter->secinfo.WPAenabled) | |
1290 | || (adapter->secinfo.WPA2enabled)) { | |
1291 | /* return WPA enabled */ | |
1292 | dwrq->flags &= ~IW_ENCODE_DISABLED; | |
1293 | } else { | |
1294 | dwrq->flags |= IW_ENCODE_DISABLED; | |
1295 | } | |
1296 | ||
1297 | mutex_unlock(&adapter->lock); | |
1298 | ||
1299 | dwrq->flags |= IW_ENCODE_NOKEY; | |
1300 | ||
9012b28a | 1301 | lbs_deb_wext("key: " MAC_FMT ", keylen %d\n", |
876c9d3a MT |
1302 | extra[0], extra[1], extra[2], |
1303 | extra[3], extra[4], extra[5], dwrq->length); | |
1304 | ||
9012b28a | 1305 | lbs_deb_wext("return flags 0x%x\n", dwrq->flags); |
876c9d3a | 1306 | |
9012b28a | 1307 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
1308 | return 0; |
1309 | } | |
1310 | ||
1311 | /** | |
1312 | * @brief Set Encryption key (internal) | |
1313 | * | |
1314 | * @param priv A pointer to private card structure | |
1315 | * @param key_material A pointer to key material | |
1316 | * @param key_length length of key material | |
1317 | * @param index key index to set | |
1318 | * @param set_tx_key Force set TX key (1 = yes, 0 = no) | |
1319 | * @return 0 --success, otherwise fail | |
1320 | */ | |
1321 | static int wlan_set_wep_key(struct assoc_request *assoc_req, | |
1322 | const char *key_material, | |
1323 | u16 key_length, | |
1324 | u16 index, | |
1325 | int set_tx_key) | |
1326 | { | |
9012b28a | 1327 | int ret = 0; |
1443b653 | 1328 | struct enc_key *pkey; |
876c9d3a | 1329 | |
9012b28a | 1330 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1331 | |
1332 | /* Paranoid validation of key index */ | |
1333 | if (index > 3) { | |
9012b28a HS |
1334 | ret = -EINVAL; |
1335 | goto out; | |
876c9d3a MT |
1336 | } |
1337 | ||
1338 | /* validate max key length */ | |
1339 | if (key_length > KEY_LEN_WEP_104) { | |
9012b28a HS |
1340 | ret = -EINVAL; |
1341 | goto out; | |
876c9d3a MT |
1342 | } |
1343 | ||
1344 | pkey = &assoc_req->wep_keys[index]; | |
1345 | ||
1346 | if (key_length > 0) { | |
1443b653 | 1347 | memset(pkey, 0, sizeof(struct enc_key)); |
876c9d3a MT |
1348 | pkey->type = KEY_TYPE_ID_WEP; |
1349 | ||
1350 | /* Standardize the key length */ | |
1351 | pkey->len = (key_length > KEY_LEN_WEP_40) ? | |
1352 | KEY_LEN_WEP_104 : KEY_LEN_WEP_40; | |
1353 | memcpy(pkey->key, key_material, key_length); | |
1354 | } | |
1355 | ||
1356 | if (set_tx_key) { | |
1357 | /* Ensure the chosen key is valid */ | |
1358 | if (!pkey->len) { | |
9012b28a HS |
1359 | lbs_deb_wext("key not set, so cannot enable it\n"); |
1360 | ret = -EINVAL; | |
1361 | goto out; | |
876c9d3a MT |
1362 | } |
1363 | assoc_req->wep_tx_keyidx = index; | |
1364 | } | |
1365 | ||
889c05bd | 1366 | assoc_req->secinfo.wep_enabled = 1; |
876c9d3a | 1367 | |
9012b28a HS |
1368 | out: |
1369 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
1370 | return ret; | |
876c9d3a MT |
1371 | } |
1372 | ||
1373 | static int validate_key_index(u16 def_index, u16 raw_index, | |
1374 | u16 *out_index, u16 *is_default) | |
1375 | { | |
1376 | if (!out_index || !is_default) | |
1377 | return -EINVAL; | |
1378 | ||
1379 | /* Verify index if present, otherwise use default TX key index */ | |
1380 | if (raw_index > 0) { | |
1381 | if (raw_index > 4) | |
1382 | return -EINVAL; | |
1383 | *out_index = raw_index - 1; | |
1384 | } else { | |
1385 | *out_index = def_index; | |
1386 | *is_default = 1; | |
1387 | } | |
1388 | return 0; | |
1389 | } | |
1390 | ||
1391 | static void disable_wep(struct assoc_request *assoc_req) | |
1392 | { | |
1393 | int i; | |
1394 | ||
90a42210 DW |
1395 | lbs_deb_enter(LBS_DEB_WEXT); |
1396 | ||
876c9d3a | 1397 | /* Set Open System auth mode */ |
6affe785 | 1398 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
876c9d3a MT |
1399 | |
1400 | /* Clear WEP keys and mark WEP as disabled */ | |
889c05bd | 1401 | assoc_req->secinfo.wep_enabled = 0; |
876c9d3a MT |
1402 | for (i = 0; i < 4; i++) |
1403 | assoc_req->wep_keys[i].len = 0; | |
1404 | ||
1405 | set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); | |
1406 | set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags); | |
90a42210 DW |
1407 | |
1408 | lbs_deb_leave(LBS_DEB_WEXT); | |
1409 | } | |
1410 | ||
1411 | static void disable_wpa(struct assoc_request *assoc_req) | |
1412 | { | |
1413 | lbs_deb_enter(LBS_DEB_WEXT); | |
1414 | ||
1443b653 | 1415 | memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key)); |
90a42210 DW |
1416 | assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST; |
1417 | set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags); | |
1418 | ||
1443b653 | 1419 | memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key)); |
90a42210 DW |
1420 | assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST; |
1421 | set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags); | |
1422 | ||
1423 | assoc_req->secinfo.WPAenabled = 0; | |
1424 | assoc_req->secinfo.WPA2enabled = 0; | |
1425 | set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); | |
1426 | ||
1427 | lbs_deb_leave(LBS_DEB_WEXT); | |
876c9d3a MT |
1428 | } |
1429 | ||
1430 | /** | |
1431 | * @brief Set Encryption key | |
1432 | * | |
1433 | * @param dev A pointer to net_device structure | |
1434 | * @param info A pointer to iw_request_info structure | |
1435 | * @param vwrq A pointer to iw_param structure | |
1436 | * @param extra A pointer to extra data buf | |
1437 | * @return 0 --success, otherwise fail | |
1438 | */ | |
1439 | static int wlan_set_encode(struct net_device *dev, | |
1440 | struct iw_request_info *info, | |
1441 | struct iw_point *dwrq, char *extra) | |
1442 | { | |
1443 | int ret = 0; | |
1444 | wlan_private *priv = dev->priv; | |
1445 | wlan_adapter *adapter = priv->adapter; | |
1446 | struct assoc_request * assoc_req; | |
1447 | u16 is_default = 0, index = 0, set_tx_key = 0; | |
1448 | ||
9012b28a | 1449 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1450 | |
1451 | mutex_lock(&adapter->lock); | |
1452 | assoc_req = wlan_get_association_request(adapter); | |
1453 | if (!assoc_req) { | |
1454 | ret = -ENOMEM; | |
1455 | goto out; | |
1456 | } | |
1457 | ||
1458 | if (dwrq->flags & IW_ENCODE_DISABLED) { | |
1459 | disable_wep (assoc_req); | |
90a42210 | 1460 | disable_wpa (assoc_req); |
876c9d3a MT |
1461 | goto out; |
1462 | } | |
1463 | ||
1464 | ret = validate_key_index(assoc_req->wep_tx_keyidx, | |
1465 | (dwrq->flags & IW_ENCODE_INDEX), | |
1466 | &index, &is_default); | |
1467 | if (ret) { | |
1468 | ret = -EINVAL; | |
1469 | goto out; | |
1470 | } | |
1471 | ||
1472 | /* If WEP isn't enabled, or if there is no key data but a valid | |
1473 | * index, set the TX key. | |
1474 | */ | |
889c05bd | 1475 | if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default)) |
876c9d3a MT |
1476 | set_tx_key = 1; |
1477 | ||
1478 | ret = wlan_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key); | |
1479 | if (ret) | |
1480 | goto out; | |
1481 | ||
1482 | if (dwrq->length) | |
1483 | set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags); | |
1484 | if (set_tx_key) | |
1485 | set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags); | |
1486 | ||
1487 | if (dwrq->flags & IW_ENCODE_RESTRICTED) { | |
6affe785 | 1488 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY; |
876c9d3a | 1489 | } else if (dwrq->flags & IW_ENCODE_OPEN) { |
6affe785 | 1490 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
876c9d3a MT |
1491 | } |
1492 | ||
1493 | out: | |
1494 | if (ret == 0) { | |
1495 | set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); | |
1496 | wlan_postpone_association_work(priv); | |
1497 | } else { | |
1498 | wlan_cancel_association_work(priv); | |
1499 | } | |
1500 | mutex_unlock(&adapter->lock); | |
1501 | ||
9012b28a | 1502 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
1503 | return ret; |
1504 | } | |
1505 | ||
1506 | /** | |
1507 | * @brief Get Extended Encryption key (WPA/802.1x and WEP) | |
1508 | * | |
1509 | * @param dev A pointer to net_device structure | |
1510 | * @param info A pointer to iw_request_info structure | |
1511 | * @param vwrq A pointer to iw_param structure | |
1512 | * @param extra A pointer to extra data buf | |
1513 | * @return 0 on success, otherwise failure | |
1514 | */ | |
1515 | static int wlan_get_encodeext(struct net_device *dev, | |
1516 | struct iw_request_info *info, | |
1517 | struct iw_point *dwrq, | |
1518 | char *extra) | |
1519 | { | |
1520 | int ret = -EINVAL; | |
1521 | wlan_private *priv = dev->priv; | |
1522 | wlan_adapter *adapter = priv->adapter; | |
1523 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
1524 | int index, max_key_len; | |
1525 | ||
9012b28a | 1526 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1527 | |
1528 | max_key_len = dwrq->length - sizeof(*ext); | |
1529 | if (max_key_len < 0) | |
1530 | goto out; | |
1531 | ||
1532 | index = dwrq->flags & IW_ENCODE_INDEX; | |
1533 | if (index) { | |
1534 | if (index < 1 || index > 4) | |
1535 | goto out; | |
1536 | index--; | |
1537 | } else { | |
1538 | index = adapter->wep_tx_keyidx; | |
1539 | } | |
1540 | ||
1541 | if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY && | |
1542 | ext->alg != IW_ENCODE_ALG_WEP) { | |
0dc5a290 | 1543 | if (index != 0 || adapter->mode != IW_MODE_INFRA) |
876c9d3a MT |
1544 | goto out; |
1545 | } | |
1546 | ||
1547 | dwrq->flags = index + 1; | |
1548 | memset(ext, 0, sizeof(*ext)); | |
1549 | ||
889c05bd DW |
1550 | if ( !adapter->secinfo.wep_enabled |
1551 | && !adapter->secinfo.WPAenabled | |
1552 | && !adapter->secinfo.WPA2enabled) { | |
876c9d3a MT |
1553 | ext->alg = IW_ENCODE_ALG_NONE; |
1554 | ext->key_len = 0; | |
1555 | dwrq->flags |= IW_ENCODE_DISABLED; | |
1556 | } else { | |
1557 | u8 *key = NULL; | |
1558 | ||
889c05bd | 1559 | if ( adapter->secinfo.wep_enabled |
876c9d3a MT |
1560 | && !adapter->secinfo.WPAenabled |
1561 | && !adapter->secinfo.WPA2enabled) { | |
90a42210 | 1562 | /* WEP */ |
876c9d3a MT |
1563 | ext->alg = IW_ENCODE_ALG_WEP; |
1564 | ext->key_len = adapter->wep_keys[index].len; | |
1565 | key = &adapter->wep_keys[index].key[0]; | |
889c05bd DW |
1566 | } else if ( !adapter->secinfo.wep_enabled |
1567 | && (adapter->secinfo.WPAenabled || | |
1568 | adapter->secinfo.WPA2enabled)) { | |
876c9d3a | 1569 | /* WPA */ |
1443b653 | 1570 | struct enc_key * pkey = NULL; |
90a42210 DW |
1571 | |
1572 | if ( adapter->wpa_mcast_key.len | |
1573 | && (adapter->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED)) | |
1574 | pkey = &adapter->wpa_mcast_key; | |
1575 | else if ( adapter->wpa_unicast_key.len | |
1576 | && (adapter->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED)) | |
1577 | pkey = &adapter->wpa_unicast_key; | |
1578 | ||
1579 | if (pkey) { | |
1580 | if (pkey->type == KEY_TYPE_ID_AES) { | |
1581 | ext->alg = IW_ENCODE_ALG_CCMP; | |
1582 | } else { | |
1583 | ext->alg = IW_ENCODE_ALG_TKIP; | |
1584 | } | |
1585 | ext->key_len = pkey->len; | |
1586 | key = &pkey->key[0]; | |
1587 | } else { | |
1588 | ext->alg = IW_ENCODE_ALG_TKIP; | |
1589 | ext->key_len = 0; | |
1590 | } | |
876c9d3a MT |
1591 | } else { |
1592 | goto out; | |
1593 | } | |
1594 | ||
1595 | if (ext->key_len > max_key_len) { | |
1596 | ret = -E2BIG; | |
1597 | goto out; | |
1598 | } | |
1599 | ||
1600 | if (ext->key_len) | |
1601 | memcpy(ext->key, key, ext->key_len); | |
1602 | else | |
1603 | dwrq->flags |= IW_ENCODE_NOKEY; | |
1604 | dwrq->flags |= IW_ENCODE_ENABLED; | |
1605 | } | |
1606 | ret = 0; | |
1607 | ||
1608 | out: | |
9012b28a | 1609 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
1610 | return ret; |
1611 | } | |
1612 | ||
1613 | /** | |
1614 | * @brief Set Encryption key Extended (WPA/802.1x and WEP) | |
1615 | * | |
1616 | * @param dev A pointer to net_device structure | |
1617 | * @param info A pointer to iw_request_info structure | |
1618 | * @param vwrq A pointer to iw_param structure | |
1619 | * @param extra A pointer to extra data buf | |
1620 | * @return 0 --success, otherwise fail | |
1621 | */ | |
1622 | static int wlan_set_encodeext(struct net_device *dev, | |
1623 | struct iw_request_info *info, | |
1624 | struct iw_point *dwrq, | |
1625 | char *extra) | |
1626 | { | |
1627 | int ret = 0; | |
1628 | wlan_private *priv = dev->priv; | |
1629 | wlan_adapter *adapter = priv->adapter; | |
1630 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
1631 | int alg = ext->alg; | |
1632 | struct assoc_request * assoc_req; | |
1633 | ||
9012b28a | 1634 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1635 | |
1636 | mutex_lock(&adapter->lock); | |
1637 | assoc_req = wlan_get_association_request(adapter); | |
1638 | if (!assoc_req) { | |
1639 | ret = -ENOMEM; | |
1640 | goto out; | |
1641 | } | |
1642 | ||
1643 | if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) { | |
1644 | disable_wep (assoc_req); | |
90a42210 | 1645 | disable_wpa (assoc_req); |
876c9d3a MT |
1646 | } else if (alg == IW_ENCODE_ALG_WEP) { |
1647 | u16 is_default = 0, index, set_tx_key = 0; | |
1648 | ||
1649 | ret = validate_key_index(assoc_req->wep_tx_keyidx, | |
1650 | (dwrq->flags & IW_ENCODE_INDEX), | |
1651 | &index, &is_default); | |
1652 | if (ret) | |
1653 | goto out; | |
1654 | ||
1655 | /* If WEP isn't enabled, or if there is no key data but a valid | |
1656 | * index, or if the set-TX-key flag was passed, set the TX key. | |
1657 | */ | |
889c05bd | 1658 | if ( !assoc_req->secinfo.wep_enabled |
876c9d3a MT |
1659 | || (dwrq->length == 0 && !is_default) |
1660 | || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) | |
1661 | set_tx_key = 1; | |
1662 | ||
1663 | /* Copy key to driver */ | |
1664 | ret = wlan_set_wep_key (assoc_req, ext->key, ext->key_len, index, | |
1665 | set_tx_key); | |
1666 | if (ret) | |
1667 | goto out; | |
1668 | ||
1669 | if (dwrq->flags & IW_ENCODE_RESTRICTED) { | |
6affe785 | 1670 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY; |
876c9d3a | 1671 | } else if (dwrq->flags & IW_ENCODE_OPEN) { |
6affe785 | 1672 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
876c9d3a MT |
1673 | } |
1674 | ||
1675 | /* Mark the various WEP bits as modified */ | |
1676 | set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); | |
1677 | if (dwrq->length) | |
1678 | set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags); | |
1679 | if (set_tx_key) | |
1680 | set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags); | |
876c9d3a | 1681 | } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) { |
1443b653 | 1682 | struct enc_key * pkey; |
876c9d3a MT |
1683 | |
1684 | /* validate key length */ | |
1685 | if (((alg == IW_ENCODE_ALG_TKIP) | |
1686 | && (ext->key_len != KEY_LEN_WPA_TKIP)) | |
1687 | || ((alg == IW_ENCODE_ALG_CCMP) | |
1688 | && (ext->key_len != KEY_LEN_WPA_AES))) { | |
9012b28a HS |
1689 | lbs_deb_wext("invalid size %d for key of alg" |
1690 | "type %d\n", | |
876c9d3a MT |
1691 | ext->key_len, |
1692 | alg); | |
1693 | ret = -EINVAL; | |
1694 | goto out; | |
1695 | } | |
1696 | ||
90a42210 | 1697 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { |
876c9d3a | 1698 | pkey = &assoc_req->wpa_mcast_key; |
90a42210 DW |
1699 | set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags); |
1700 | } else { | |
876c9d3a | 1701 | pkey = &assoc_req->wpa_unicast_key; |
90a42210 DW |
1702 | set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags); |
1703 | } | |
876c9d3a | 1704 | |
1443b653 | 1705 | memset(pkey, 0, sizeof (struct enc_key)); |
876c9d3a MT |
1706 | memcpy(pkey->key, ext->key, ext->key_len); |
1707 | pkey->len = ext->key_len; | |
90a42210 DW |
1708 | if (pkey->len) |
1709 | pkey->flags |= KEY_INFO_WPA_ENABLED; | |
876c9d3a | 1710 | |
90a42210 | 1711 | /* Do this after zeroing key structure */ |
876c9d3a MT |
1712 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { |
1713 | pkey->flags |= KEY_INFO_WPA_MCAST; | |
876c9d3a MT |
1714 | } else { |
1715 | pkey->flags |= KEY_INFO_WPA_UNICAST; | |
876c9d3a MT |
1716 | } |
1717 | ||
90a42210 | 1718 | if (alg == IW_ENCODE_ALG_TKIP) { |
876c9d3a | 1719 | pkey->type = KEY_TYPE_ID_TKIP; |
90a42210 | 1720 | } else if (alg == IW_ENCODE_ALG_CCMP) { |
876c9d3a | 1721 | pkey->type = KEY_TYPE_ID_AES; |
90a42210 | 1722 | } |
876c9d3a MT |
1723 | |
1724 | /* If WPA isn't enabled yet, do that now */ | |
1725 | if ( assoc_req->secinfo.WPAenabled == 0 | |
1726 | && assoc_req->secinfo.WPA2enabled == 0) { | |
1727 | assoc_req->secinfo.WPAenabled = 1; | |
1728 | assoc_req->secinfo.WPA2enabled = 1; | |
1729 | set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); | |
1730 | } | |
1731 | ||
1732 | disable_wep (assoc_req); | |
1733 | } | |
1734 | ||
1735 | out: | |
1736 | if (ret == 0) { | |
1737 | wlan_postpone_association_work(priv); | |
1738 | } else { | |
1739 | wlan_cancel_association_work(priv); | |
1740 | } | |
1741 | mutex_unlock(&adapter->lock); | |
1742 | ||
9012b28a | 1743 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
1744 | return ret; |
1745 | } | |
1746 | ||
1747 | ||
1748 | static int wlan_set_genie(struct net_device *dev, | |
1749 | struct iw_request_info *info, | |
1750 | struct iw_point *dwrq, | |
1751 | char *extra) | |
1752 | { | |
1753 | wlan_private *priv = dev->priv; | |
1754 | wlan_adapter *adapter = priv->adapter; | |
1755 | int ret = 0; | |
1756 | struct assoc_request * assoc_req; | |
1757 | ||
9012b28a | 1758 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1759 | |
1760 | mutex_lock(&adapter->lock); | |
1761 | assoc_req = wlan_get_association_request(adapter); | |
1762 | if (!assoc_req) { | |
1763 | ret = -ENOMEM; | |
1764 | goto out; | |
1765 | } | |
1766 | ||
1767 | if (dwrq->length > MAX_WPA_IE_LEN || | |
1768 | (dwrq->length && extra == NULL)) { | |
1769 | ret = -EINVAL; | |
1770 | goto out; | |
1771 | } | |
1772 | ||
1773 | if (dwrq->length) { | |
1774 | memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length); | |
1775 | assoc_req->wpa_ie_len = dwrq->length; | |
1776 | } else { | |
1777 | memset(&assoc_req->wpa_ie[0], 0, sizeof(adapter->wpa_ie)); | |
1778 | assoc_req->wpa_ie_len = 0; | |
1779 | } | |
1780 | ||
1781 | out: | |
1782 | if (ret == 0) { | |
1783 | set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags); | |
1784 | wlan_postpone_association_work(priv); | |
1785 | } else { | |
1786 | wlan_cancel_association_work(priv); | |
1787 | } | |
1788 | mutex_unlock(&adapter->lock); | |
1789 | ||
9012b28a | 1790 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
1791 | return ret; |
1792 | } | |
1793 | ||
1794 | static int wlan_get_genie(struct net_device *dev, | |
1795 | struct iw_request_info *info, | |
1796 | struct iw_point *dwrq, | |
1797 | char *extra) | |
1798 | { | |
9012b28a | 1799 | int ret = 0; |
876c9d3a MT |
1800 | wlan_private *priv = dev->priv; |
1801 | wlan_adapter *adapter = priv->adapter; | |
1802 | ||
9012b28a | 1803 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1804 | |
1805 | if (adapter->wpa_ie_len == 0) { | |
1806 | dwrq->length = 0; | |
9012b28a | 1807 | goto out; |
876c9d3a MT |
1808 | } |
1809 | ||
1810 | if (dwrq->length < adapter->wpa_ie_len) { | |
9012b28a HS |
1811 | ret = -E2BIG; |
1812 | goto out; | |
876c9d3a MT |
1813 | } |
1814 | ||
1815 | dwrq->length = adapter->wpa_ie_len; | |
1816 | memcpy(extra, &adapter->wpa_ie[0], adapter->wpa_ie_len); | |
1817 | ||
9012b28a HS |
1818 | out: |
1819 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); | |
1820 | return ret; | |
876c9d3a MT |
1821 | } |
1822 | ||
1823 | ||
1824 | static int wlan_set_auth(struct net_device *dev, | |
1825 | struct iw_request_info *info, | |
1826 | struct iw_param *dwrq, | |
1827 | char *extra) | |
1828 | { | |
1829 | wlan_private *priv = dev->priv; | |
1830 | wlan_adapter *adapter = priv->adapter; | |
1831 | struct assoc_request * assoc_req; | |
1832 | int ret = 0; | |
1833 | int updated = 0; | |
1834 | ||
9012b28a | 1835 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1836 | |
1837 | mutex_lock(&adapter->lock); | |
1838 | assoc_req = wlan_get_association_request(adapter); | |
1839 | if (!assoc_req) { | |
1840 | ret = -ENOMEM; | |
1841 | goto out; | |
1842 | } | |
1843 | ||
1844 | switch (dwrq->flags & IW_AUTH_INDEX) { | |
1845 | case IW_AUTH_TKIP_COUNTERMEASURES: | |
1846 | case IW_AUTH_CIPHER_PAIRWISE: | |
1847 | case IW_AUTH_CIPHER_GROUP: | |
1848 | case IW_AUTH_KEY_MGMT: | |
90a42210 | 1849 | case IW_AUTH_DROP_UNENCRYPTED: |
876c9d3a MT |
1850 | /* |
1851 | * libertas does not use these parameters | |
1852 | */ | |
1853 | break; | |
1854 | ||
1855 | case IW_AUTH_WPA_VERSION: | |
1856 | if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) { | |
1857 | assoc_req->secinfo.WPAenabled = 0; | |
1858 | assoc_req->secinfo.WPA2enabled = 0; | |
90a42210 | 1859 | disable_wpa (assoc_req); |
876c9d3a MT |
1860 | } |
1861 | if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) { | |
1862 | assoc_req->secinfo.WPAenabled = 1; | |
889c05bd | 1863 | assoc_req->secinfo.wep_enabled = 0; |
6affe785 | 1864 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
876c9d3a MT |
1865 | } |
1866 | if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) { | |
1867 | assoc_req->secinfo.WPA2enabled = 1; | |
889c05bd | 1868 | assoc_req->secinfo.wep_enabled = 0; |
6affe785 | 1869 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
876c9d3a MT |
1870 | } |
1871 | updated = 1; | |
1872 | break; | |
1873 | ||
876c9d3a MT |
1874 | case IW_AUTH_80211_AUTH_ALG: |
1875 | if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) { | |
6affe785 | 1876 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY; |
876c9d3a | 1877 | } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) { |
6affe785 | 1878 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
876c9d3a | 1879 | } else if (dwrq->value & IW_AUTH_ALG_LEAP) { |
6affe785 | 1880 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP; |
876c9d3a MT |
1881 | } else { |
1882 | ret = -EINVAL; | |
1883 | } | |
1884 | updated = 1; | |
1885 | break; | |
1886 | ||
1887 | case IW_AUTH_WPA_ENABLED: | |
1888 | if (dwrq->value) { | |
1889 | if (!assoc_req->secinfo.WPAenabled && | |
1890 | !assoc_req->secinfo.WPA2enabled) { | |
1891 | assoc_req->secinfo.WPAenabled = 1; | |
1892 | assoc_req->secinfo.WPA2enabled = 1; | |
889c05bd | 1893 | assoc_req->secinfo.wep_enabled = 0; |
6affe785 | 1894 | assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
876c9d3a MT |
1895 | } |
1896 | } else { | |
1897 | assoc_req->secinfo.WPAenabled = 0; | |
1898 | assoc_req->secinfo.WPA2enabled = 0; | |
90a42210 | 1899 | disable_wpa (assoc_req); |
876c9d3a MT |
1900 | } |
1901 | updated = 1; | |
1902 | break; | |
1903 | ||
1904 | default: | |
1905 | ret = -EOPNOTSUPP; | |
1906 | break; | |
1907 | } | |
1908 | ||
1909 | out: | |
1910 | if (ret == 0) { | |
1911 | if (updated) | |
1912 | set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); | |
1913 | wlan_postpone_association_work(priv); | |
1914 | } else if (ret != -EOPNOTSUPP) { | |
1915 | wlan_cancel_association_work(priv); | |
1916 | } | |
1917 | mutex_unlock(&adapter->lock); | |
1918 | ||
9012b28a | 1919 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
1920 | return ret; |
1921 | } | |
1922 | ||
1923 | static int wlan_get_auth(struct net_device *dev, | |
1924 | struct iw_request_info *info, | |
1925 | struct iw_param *dwrq, | |
1926 | char *extra) | |
1927 | { | |
9012b28a | 1928 | int ret = 0; |
876c9d3a MT |
1929 | wlan_private *priv = dev->priv; |
1930 | wlan_adapter *adapter = priv->adapter; | |
1931 | ||
9012b28a | 1932 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1933 | |
1934 | switch (dwrq->flags & IW_AUTH_INDEX) { | |
1935 | case IW_AUTH_WPA_VERSION: | |
1936 | dwrq->value = 0; | |
1937 | if (adapter->secinfo.WPAenabled) | |
1938 | dwrq->value |= IW_AUTH_WPA_VERSION_WPA; | |
1939 | if (adapter->secinfo.WPA2enabled) | |
1940 | dwrq->value |= IW_AUTH_WPA_VERSION_WPA2; | |
1941 | if (!dwrq->value) | |
1942 | dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED; | |
1943 | break; | |
1944 | ||
876c9d3a | 1945 | case IW_AUTH_80211_AUTH_ALG: |
6affe785 | 1946 | dwrq->value = adapter->secinfo.auth_mode; |
876c9d3a MT |
1947 | break; |
1948 | ||
1949 | case IW_AUTH_WPA_ENABLED: | |
1950 | if (adapter->secinfo.WPAenabled && adapter->secinfo.WPA2enabled) | |
1951 | dwrq->value = 1; | |
1952 | break; | |
1953 | ||
1954 | default: | |
9012b28a | 1955 | ret = -EOPNOTSUPP; |
876c9d3a MT |
1956 | } |
1957 | ||
9012b28a HS |
1958 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
1959 | return ret; | |
876c9d3a MT |
1960 | } |
1961 | ||
1962 | ||
1963 | static int wlan_set_txpow(struct net_device *dev, struct iw_request_info *info, | |
1964 | struct iw_param *vwrq, char *extra) | |
1965 | { | |
1966 | int ret = 0; | |
1967 | wlan_private *priv = dev->priv; | |
1968 | wlan_adapter *adapter = priv->adapter; | |
1969 | ||
1970 | u16 dbm; | |
1971 | ||
9012b28a | 1972 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
1973 | |
1974 | if (vwrq->disabled) { | |
1975 | wlan_radio_ioctl(priv, RADIO_OFF); | |
1976 | return 0; | |
1977 | } | |
1978 | ||
1979 | adapter->preamble = cmd_type_auto_preamble; | |
1980 | ||
1981 | wlan_radio_ioctl(priv, RADIO_ON); | |
1982 | ||
1983 | if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) { | |
1984 | dbm = (u16) mw_to_dbm(vwrq->value); | |
1985 | } else | |
1986 | dbm = (u16) vwrq->value; | |
1987 | ||
1988 | /* auto tx power control */ | |
1989 | ||
1990 | if (vwrq->fixed == 0) | |
1991 | dbm = 0xffff; | |
1992 | ||
9012b28a | 1993 | lbs_deb_wext("txpower set %d dbm\n", dbm); |
876c9d3a MT |
1994 | |
1995 | ret = libertas_prepare_and_send_command(priv, | |
1996 | cmd_802_11_rf_tx_power, | |
1997 | cmd_act_tx_power_opt_set_low, | |
1998 | cmd_option_waitforrsp, 0, (void *)&dbm); | |
1999 | ||
9012b28a | 2000 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
2001 | return ret; |
2002 | } | |
2003 | ||
2004 | static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info, | |
2005 | struct iw_point *dwrq, char *extra) | |
2006 | { | |
2007 | wlan_private *priv = dev->priv; | |
2008 | wlan_adapter *adapter = priv->adapter; | |
2009 | ||
9012b28a HS |
2010 | lbs_deb_enter(LBS_DEB_WEXT); |
2011 | ||
876c9d3a MT |
2012 | /* |
2013 | * Note : if dwrq->flags != 0, we should get the relevant SSID from | |
2014 | * the SSID list... | |
2015 | */ | |
2016 | ||
2017 | /* | |
2018 | * Get the current SSID | |
2019 | */ | |
2020 | if (adapter->connect_status == libertas_connected) { | |
d8efea25 DW |
2021 | memcpy(extra, adapter->curbssparams.ssid, |
2022 | adapter->curbssparams.ssid_len); | |
2023 | extra[adapter->curbssparams.ssid_len] = '\0'; | |
876c9d3a MT |
2024 | } else { |
2025 | memset(extra, 0, 32); | |
d8efea25 | 2026 | extra[adapter->curbssparams.ssid_len] = '\0'; |
876c9d3a MT |
2027 | } |
2028 | /* | |
2029 | * If none, we may want to get the one that was set | |
2030 | */ | |
2031 | ||
2032 | /* To make the driver backward compatible with WPA supplicant v0.2.4 */ | |
2033 | if (dwrq->length == 32) /* check with WPA supplicant buffer size */ | |
d8efea25 | 2034 | dwrq->length = min_t(size_t, adapter->curbssparams.ssid_len, |
876c9d3a MT |
2035 | IW_ESSID_MAX_SIZE); |
2036 | else | |
d8efea25 | 2037 | dwrq->length = adapter->curbssparams.ssid_len + 1; |
876c9d3a MT |
2038 | |
2039 | dwrq->flags = 1; /* active */ | |
2040 | ||
9012b28a | 2041 | lbs_deb_leave(LBS_DEB_WEXT); |
876c9d3a MT |
2042 | return 0; |
2043 | } | |
2044 | ||
2045 | static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info, | |
2046 | struct iw_point *dwrq, char *extra) | |
2047 | { | |
2048 | wlan_private *priv = dev->priv; | |
2049 | wlan_adapter *adapter = priv->adapter; | |
2050 | int ret = 0; | |
d8efea25 DW |
2051 | u8 ssid[IW_ESSID_MAX_SIZE]; |
2052 | u8 ssid_len = 0; | |
876c9d3a | 2053 | struct assoc_request * assoc_req; |
d8efea25 | 2054 | int in_ssid_len = dwrq->length; |
876c9d3a | 2055 | |
9012b28a | 2056 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
2057 | |
2058 | /* | |
2059 | * WE-20 and earlier NULL pad the end of the SSID and increment | |
2060 | * SSID length so it can be used like a string. WE-21 and later don't, | |
2061 | * but some userspace tools aren't able to cope with the change. | |
2062 | */ | |
d8efea25 DW |
2063 | if ((in_ssid_len > 0) && (extra[in_ssid_len - 1] == '\0')) |
2064 | in_ssid_len--; | |
876c9d3a MT |
2065 | |
2066 | /* Check the size of the string */ | |
d8efea25 | 2067 | if (in_ssid_len > IW_ESSID_MAX_SIZE) { |
876c9d3a MT |
2068 | ret = -E2BIG; |
2069 | goto out; | |
2070 | } | |
2071 | ||
d8efea25 | 2072 | memset(&ssid, 0, sizeof(ssid)); |
876c9d3a | 2073 | |
d8efea25 | 2074 | if (!dwrq->flags || !in_ssid_len) { |
876c9d3a MT |
2075 | /* "any" SSID requested; leave SSID blank */ |
2076 | } else { | |
2077 | /* Specific SSID requested */ | |
d8efea25 DW |
2078 | memcpy(&ssid, extra, in_ssid_len); |
2079 | ssid_len = in_ssid_len; | |
876c9d3a MT |
2080 | } |
2081 | ||
d8efea25 DW |
2082 | if (!ssid_len) { |
2083 | lbs_deb_wext("requested any SSID\n"); | |
2084 | } else { | |
2085 | lbs_deb_wext("requested SSID '%s'\n", | |
2086 | escape_essid(ssid, ssid_len)); | |
2087 | } | |
876c9d3a MT |
2088 | |
2089 | out: | |
2090 | mutex_lock(&adapter->lock); | |
2091 | if (ret == 0) { | |
2092 | /* Get or create the current association request */ | |
2093 | assoc_req = wlan_get_association_request(adapter); | |
2094 | if (!assoc_req) { | |
2095 | ret = -ENOMEM; | |
2096 | } else { | |
2097 | /* Copy the SSID to the association request */ | |
d8efea25 DW |
2098 | memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE); |
2099 | assoc_req->ssid_len = ssid_len; | |
876c9d3a MT |
2100 | set_bit(ASSOC_FLAG_SSID, &assoc_req->flags); |
2101 | wlan_postpone_association_work(priv); | |
2102 | } | |
2103 | } | |
2104 | ||
2105 | /* Cancel the association request if there was an error */ | |
2106 | if (ret != 0) { | |
2107 | wlan_cancel_association_work(priv); | |
2108 | } | |
2109 | ||
2110 | mutex_unlock(&adapter->lock); | |
2111 | ||
9012b28a | 2112 | lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); |
876c9d3a MT |
2113 | return ret; |
2114 | } | |
2115 | ||
2116 | /** | |
2117 | * @brief Connect to the AP or Ad-hoc Network with specific bssid | |
2118 | * | |
2119 | * @param dev A pointer to net_device structure | |
2120 | * @param info A pointer to iw_request_info structure | |
2121 | * @param awrq A pointer to iw_param structure | |
2122 | * @param extra A pointer to extra data buf | |
2123 | * @return 0 --success, otherwise fail | |
2124 | */ | |
2125 | static int wlan_set_wap(struct net_device *dev, struct iw_request_info *info, | |
2126 | struct sockaddr *awrq, char *extra) | |
2127 | { | |
2128 | wlan_private *priv = dev->priv; | |
2129 | wlan_adapter *adapter = priv->adapter; | |
2130 | struct assoc_request * assoc_req; | |
2131 | int ret = 0; | |
2132 | ||
9012b28a | 2133 | lbs_deb_enter(LBS_DEB_WEXT); |
876c9d3a MT |
2134 | |
2135 | if (awrq->sa_family != ARPHRD_ETHER) | |
2136 | return -EINVAL; | |
2137 | ||
9012b28a | 2138 | lbs_deb_wext("ASSOC: WAP: sa_data " MAC_FMT "\n", MAC_ARG(awrq->sa_data)); |
876c9d3a MT |
2139 | |
2140 | mutex_lock(&adapter->lock); | |
2141 | ||
2142 | /* Get or create the current association request */ | |
2143 | assoc_req = wlan_get_association_request(adapter); | |
2144 | if (!assoc_req) { | |
2145 | wlan_cancel_association_work(priv); | |
2146 | ret = -ENOMEM; | |
2147 | } else { | |
2148 | /* Copy the BSSID to the association request */ | |
2149 | memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN); | |
2150 | set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags); | |
2151 | wlan_postpone_association_work(priv); | |
2152 | } | |
2153 | ||
2154 | mutex_unlock(&adapter->lock); | |
2155 | ||
2156 | return ret; | |
2157 | } | |
2158 | ||
2159 | void libertas_get_fwversion(wlan_adapter * adapter, char *fwversion, int maxlen) | |
2160 | { | |
876c9d3a MT |
2161 | char fwver[32]; |
2162 | ||
2163 | mutex_lock(&adapter->lock); | |
876c9d3a | 2164 | |
e5b3d472 DW |
2165 | if (adapter->fwreleasenumber[3] == 0) |
2166 | sprintf(fwver, "%u.%u.%u", | |
2167 | adapter->fwreleasenumber[2], | |
2168 | adapter->fwreleasenumber[1], | |
2169 | adapter->fwreleasenumber[0]); | |
876c9d3a MT |
2170 | else |
2171 | sprintf(fwver, "%u.%u.%u.p%u", | |
e5b3d472 DW |
2172 | adapter->fwreleasenumber[2], |
2173 | adapter->fwreleasenumber[1], | |
2174 | adapter->fwreleasenumber[0], | |
2175 | adapter->fwreleasenumber[3]); | |
876c9d3a | 2176 | |
e5b3d472 | 2177 | mutex_unlock(&adapter->lock); |
876c9d3a MT |
2178 | snprintf(fwversion, maxlen, fwver); |
2179 | } | |
2180 | ||
2181 | ||
2182 | /* | |
2183 | * iwconfig settable callbacks | |
2184 | */ | |
2185 | static const iw_handler wlan_handler[] = { | |
2186 | (iw_handler) NULL, /* SIOCSIWCOMMIT */ | |
2187 | (iw_handler) wlan_get_name, /* SIOCGIWNAME */ | |
2188 | (iw_handler) NULL, /* SIOCSIWNWID */ | |
2189 | (iw_handler) NULL, /* SIOCGIWNWID */ | |
2190 | (iw_handler) wlan_set_freq, /* SIOCSIWFREQ */ | |
2191 | (iw_handler) wlan_get_freq, /* SIOCGIWFREQ */ | |
2192 | (iw_handler) wlan_set_mode, /* SIOCSIWMODE */ | |
2193 | (iw_handler) wlan_get_mode, /* SIOCGIWMODE */ | |
2194 | (iw_handler) NULL, /* SIOCSIWSENS */ | |
2195 | (iw_handler) NULL, /* SIOCGIWSENS */ | |
2196 | (iw_handler) NULL, /* SIOCSIWRANGE */ | |
2197 | (iw_handler) wlan_get_range, /* SIOCGIWRANGE */ | |
2198 | (iw_handler) NULL, /* SIOCSIWPRIV */ | |
2199 | (iw_handler) NULL, /* SIOCGIWPRIV */ | |
2200 | (iw_handler) NULL, /* SIOCSIWSTATS */ | |
2201 | (iw_handler) NULL, /* SIOCGIWSTATS */ | |
2202 | iw_handler_set_spy, /* SIOCSIWSPY */ | |
2203 | iw_handler_get_spy, /* SIOCGIWSPY */ | |
2204 | iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ | |
2205 | iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ | |
2206 | (iw_handler) wlan_set_wap, /* SIOCSIWAP */ | |
2207 | (iw_handler) wlan_get_wap, /* SIOCGIWAP */ | |
2208 | (iw_handler) NULL, /* SIOCSIWMLME */ | |
2209 | (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */ | |
2210 | (iw_handler) libertas_set_scan, /* SIOCSIWSCAN */ | |
2211 | (iw_handler) libertas_get_scan, /* SIOCGIWSCAN */ | |
2212 | (iw_handler) wlan_set_essid, /* SIOCSIWESSID */ | |
2213 | (iw_handler) wlan_get_essid, /* SIOCGIWESSID */ | |
2214 | (iw_handler) wlan_set_nick, /* SIOCSIWNICKN */ | |
2215 | (iw_handler) wlan_get_nick, /* SIOCGIWNICKN */ | |
2216 | (iw_handler) NULL, /* -- hole -- */ | |
2217 | (iw_handler) NULL, /* -- hole -- */ | |
2218 | (iw_handler) wlan_set_rate, /* SIOCSIWRATE */ | |
2219 | (iw_handler) wlan_get_rate, /* SIOCGIWRATE */ | |
2220 | (iw_handler) wlan_set_rts, /* SIOCSIWRTS */ | |
2221 | (iw_handler) wlan_get_rts, /* SIOCGIWRTS */ | |
2222 | (iw_handler) wlan_set_frag, /* SIOCSIWFRAG */ | |
2223 | (iw_handler) wlan_get_frag, /* SIOCGIWFRAG */ | |
2224 | (iw_handler) wlan_set_txpow, /* SIOCSIWTXPOW */ | |
2225 | (iw_handler) wlan_get_txpow, /* SIOCGIWTXPOW */ | |
2226 | (iw_handler) wlan_set_retry, /* SIOCSIWRETRY */ | |
2227 | (iw_handler) wlan_get_retry, /* SIOCGIWRETRY */ | |
2228 | (iw_handler) wlan_set_encode, /* SIOCSIWENCODE */ | |
2229 | (iw_handler) wlan_get_encode, /* SIOCGIWENCODE */ | |
2230 | (iw_handler) wlan_set_power, /* SIOCSIWPOWER */ | |
2231 | (iw_handler) wlan_get_power, /* SIOCGIWPOWER */ | |
2232 | (iw_handler) NULL, /* -- hole -- */ | |
2233 | (iw_handler) NULL, /* -- hole -- */ | |
2234 | (iw_handler) wlan_set_genie, /* SIOCSIWGENIE */ | |
2235 | (iw_handler) wlan_get_genie, /* SIOCGIWGENIE */ | |
2236 | (iw_handler) wlan_set_auth, /* SIOCSIWAUTH */ | |
2237 | (iw_handler) wlan_get_auth, /* SIOCGIWAUTH */ | |
2238 | (iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */ | |
2239 | (iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */ | |
2240 | (iw_handler) NULL, /* SIOCSIWPMKSA */ | |
2241 | }; | |
2242 | ||
f5e05b69 LCCR |
2243 | static const iw_handler mesh_wlan_handler[] = { |
2244 | (iw_handler) NULL, /* SIOCSIWCOMMIT */ | |
2245 | (iw_handler) wlan_get_name, /* SIOCGIWNAME */ | |
2246 | (iw_handler) NULL, /* SIOCSIWNWID */ | |
2247 | (iw_handler) NULL, /* SIOCGIWNWID */ | |
2248 | (iw_handler) wlan_set_freq, /* SIOCSIWFREQ */ | |
2249 | (iw_handler) wlan_get_freq, /* SIOCGIWFREQ */ | |
2250 | (iw_handler) NULL, /* SIOCSIWMODE */ | |
2251 | (iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */ | |
2252 | (iw_handler) NULL, /* SIOCSIWSENS */ | |
2253 | (iw_handler) NULL, /* SIOCGIWSENS */ | |
2254 | (iw_handler) NULL, /* SIOCSIWRANGE */ | |
2255 | (iw_handler) wlan_get_range, /* SIOCGIWRANGE */ | |
2256 | (iw_handler) NULL, /* SIOCSIWPRIV */ | |
2257 | (iw_handler) NULL, /* SIOCGIWPRIV */ | |
2258 | (iw_handler) NULL, /* SIOCSIWSTATS */ | |
2259 | (iw_handler) NULL, /* SIOCGIWSTATS */ | |
2260 | iw_handler_set_spy, /* SIOCSIWSPY */ | |
2261 | iw_handler_get_spy, /* SIOCGIWSPY */ | |
2262 | iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ | |
2263 | iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ | |
2264 | (iw_handler) NULL, /* SIOCSIWAP */ | |
2265 | (iw_handler) NULL, /* SIOCGIWAP */ | |
2266 | (iw_handler) NULL, /* SIOCSIWMLME */ | |
2267 | (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */ | |
2268 | (iw_handler) libertas_set_scan, /* SIOCSIWSCAN */ | |
2269 | (iw_handler) libertas_get_scan, /* SIOCGIWSCAN */ | |
2270 | (iw_handler) NULL, /* SIOCSIWESSID */ | |
2271 | (iw_handler) NULL, /* SIOCGIWESSID */ | |
2272 | (iw_handler) NULL, /* SIOCSIWNICKN */ | |
2273 | (iw_handler) mesh_get_nick, /* SIOCGIWNICKN */ | |
2274 | (iw_handler) NULL, /* -- hole -- */ | |
2275 | (iw_handler) NULL, /* -- hole -- */ | |
2276 | (iw_handler) wlan_set_rate, /* SIOCSIWRATE */ | |
2277 | (iw_handler) wlan_get_rate, /* SIOCGIWRATE */ | |
2278 | (iw_handler) wlan_set_rts, /* SIOCSIWRTS */ | |
2279 | (iw_handler) wlan_get_rts, /* SIOCGIWRTS */ | |
2280 | (iw_handler) wlan_set_frag, /* SIOCSIWFRAG */ | |
2281 | (iw_handler) wlan_get_frag, /* SIOCGIWFRAG */ | |
2282 | (iw_handler) wlan_set_txpow, /* SIOCSIWTXPOW */ | |
2283 | (iw_handler) wlan_get_txpow, /* SIOCGIWTXPOW */ | |
2284 | (iw_handler) wlan_set_retry, /* SIOCSIWRETRY */ | |
2285 | (iw_handler) wlan_get_retry, /* SIOCGIWRETRY */ | |
2286 | (iw_handler) wlan_set_encode, /* SIOCSIWENCODE */ | |
2287 | (iw_handler) wlan_get_encode, /* SIOCGIWENCODE */ | |
2288 | (iw_handler) wlan_set_power, /* SIOCSIWPOWER */ | |
2289 | (iw_handler) wlan_get_power, /* SIOCGIWPOWER */ | |
2290 | (iw_handler) NULL, /* -- hole -- */ | |
2291 | (iw_handler) NULL, /* -- hole -- */ | |
2292 | (iw_handler) wlan_set_genie, /* SIOCSIWGENIE */ | |
2293 | (iw_handler) wlan_get_genie, /* SIOCGIWGENIE */ | |
2294 | (iw_handler) wlan_set_auth, /* SIOCSIWAUTH */ | |
2295 | (iw_handler) wlan_get_auth, /* SIOCGIWAUTH */ | |
2296 | (iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */ | |
2297 | (iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */ | |
2298 | (iw_handler) NULL, /* SIOCSIWPMKSA */ | |
2299 | }; | |
876c9d3a MT |
2300 | struct iw_handler_def libertas_handler_def = { |
2301 | .num_standard = sizeof(wlan_handler) / sizeof(iw_handler), | |
876c9d3a | 2302 | .standard = (iw_handler *) wlan_handler, |
876c9d3a MT |
2303 | .get_wireless_stats = wlan_get_wireless_stats, |
2304 | }; | |
f5e05b69 LCCR |
2305 | |
2306 | struct iw_handler_def mesh_handler_def = { | |
2307 | .num_standard = sizeof(mesh_wlan_handler) / sizeof(iw_handler), | |
f5e05b69 | 2308 | .standard = (iw_handler *) mesh_wlan_handler, |
f5e05b69 LCCR |
2309 | .get_wireless_stats = wlan_get_wireless_stats, |
2310 | }; |