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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[wrt350n-kernel.git] / drivers / net / wireless / rndis_wlan.c
blob1397a26958cfded9e688a86bd312589cace119dc
1 /*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
5 * Copyright (C) 2008 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
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, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
24 */
25
26 // #define DEBUG // error path messages, extra info
27 // #define VERBOSE // more; success messages
28
29 #include <linux/module.h>
30 #include <linux/init.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/ethtool.h>
34 #include <linux/workqueue.h>
35 #include <linux/mutex.h>
36 #include <linux/mii.h>
37 #include <linux/usb.h>
38 #include <linux/usb/cdc.h>
39 #include <linux/wireless.h>
40 #include <linux/if_arp.h>
41 #include <linux/ctype.h>
42 #include <linux/spinlock.h>
43 #include <net/iw_handler.h>
44 #include <net/ieee80211.h>
45 #include <linux/usb/usbnet.h>
46 #include <linux/usb/rndis_host.h>
47
48
49 /* NOTE: All these are settings for Broadcom chipset */
50 static char modparam_country[4] = "EU";
51 module_param_string(country, modparam_country, 4, 0444);
52 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
53
54 static int modparam_frameburst = 1;
55 module_param_named(frameburst, modparam_frameburst, int, 0444);
56 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
57
58 static int modparam_afterburner = 0;
59 module_param_named(afterburner, modparam_afterburner, int, 0444);
60 MODULE_PARM_DESC(afterburner,
61 "enable afterburner aka '125 High Speed Mode' (default: off)");
62
63 static int modparam_power_save = 0;
64 module_param_named(power_save, modparam_power_save, int, 0444);
65 MODULE_PARM_DESC(power_save,
66 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
67
68 static int modparam_power_output = 3;
69 module_param_named(power_output, modparam_power_output, int, 0444);
70 MODULE_PARM_DESC(power_output,
71 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
72
73 static int modparam_roamtrigger = -70;
74 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
75 MODULE_PARM_DESC(roamtrigger,
76 "set roaming dBm trigger: -80=optimize for distance, "
77 "-60=bandwidth (default: -70)");
78
79 static int modparam_roamdelta = 1;
80 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
81 MODULE_PARM_DESC(roamdelta,
82 "set roaming tendency: 0=aggressive, 1=moderate, "
83 "2=conservative (default: moderate)");
84
85 static int modparam_workaround_interval = 500;
86 module_param_named(workaround_interval, modparam_workaround_interval,
87 int, 0444);
88 MODULE_PARM_DESC(workaround_interval,
89 "set stall workaround interval in msecs (default: 500)");
90
91
92 /* various RNDIS OID defs */
93 #define OID_GEN_LINK_SPEED ccpu2(0x00010107)
94 #define OID_GEN_RNDIS_CONFIG_PARAMETER ccpu2(0x0001021b)
95
96 #define OID_GEN_XMIT_OK ccpu2(0x00020101)
97 #define OID_GEN_RCV_OK ccpu2(0x00020102)
98 #define OID_GEN_XMIT_ERROR ccpu2(0x00020103)
99 #define OID_GEN_RCV_ERROR ccpu2(0x00020104)
100 #define OID_GEN_RCV_NO_BUFFER ccpu2(0x00020105)
101
102 #define OID_802_3_PERMANENT_ADDRESS ccpu2(0x01010101)
103 #define OID_802_3_CURRENT_ADDRESS ccpu2(0x01010102)
104 #define OID_802_3_MULTICAST_LIST ccpu2(0x01010103)
105 #define OID_802_3_MAXIMUM_LIST_SIZE ccpu2(0x01010104)
106
107 #define OID_802_11_BSSID ccpu2(0x0d010101)
108 #define OID_802_11_SSID ccpu2(0x0d010102)
109 #define OID_802_11_INFRASTRUCTURE_MODE ccpu2(0x0d010108)
110 #define OID_802_11_ADD_WEP ccpu2(0x0d010113)
111 #define OID_802_11_REMOVE_WEP ccpu2(0x0d010114)
112 #define OID_802_11_DISASSOCIATE ccpu2(0x0d010115)
113 #define OID_802_11_AUTHENTICATION_MODE ccpu2(0x0d010118)
114 #define OID_802_11_PRIVACY_FILTER ccpu2(0x0d010119)
115 #define OID_802_11_BSSID_LIST_SCAN ccpu2(0x0d01011a)
116 #define OID_802_11_ENCRYPTION_STATUS ccpu2(0x0d01011b)
117 #define OID_802_11_ADD_KEY ccpu2(0x0d01011d)
118 #define OID_802_11_REMOVE_KEY ccpu2(0x0d01011e)
119 #define OID_802_11_PMKID ccpu2(0x0d010123)
120 #define OID_802_11_NETWORK_TYPES_SUPPORTED ccpu2(0x0d010203)
121 #define OID_802_11_NETWORK_TYPE_IN_USE ccpu2(0x0d010204)
122 #define OID_802_11_TX_POWER_LEVEL ccpu2(0x0d010205)
123 #define OID_802_11_RSSI ccpu2(0x0d010206)
124 #define OID_802_11_RSSI_TRIGGER ccpu2(0x0d010207)
125 #define OID_802_11_FRAGMENTATION_THRESHOLD ccpu2(0x0d010209)
126 #define OID_802_11_RTS_THRESHOLD ccpu2(0x0d01020a)
127 #define OID_802_11_SUPPORTED_RATES ccpu2(0x0d01020e)
128 #define OID_802_11_CONFIGURATION ccpu2(0x0d010211)
129 #define OID_802_11_BSSID_LIST ccpu2(0x0d010217)
130
131
132 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
133 #define WL_NOISE -96 /* typical noise level in dBm */
134 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
135
136
137 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
138 * based on wireless rndis) has default txpower of 13dBm.
139 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
140 * 13dBm == 19.9mW
141 */
142 #define BCM4320_DEFAULT_TXPOWER 20
143
144
145 /* codes for "status" field of completion messages */
146 #define RNDIS_STATUS_ADAPTER_NOT_READY ccpu2(0xc0010011)
147 #define RNDIS_STATUS_ADAPTER_NOT_OPEN ccpu2(0xc0010012)
148
149
150 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
151 * slightly modified for datatype endianess, etc
152 */
153 #define NDIS_802_11_LENGTH_SSID 32
154 #define NDIS_802_11_LENGTH_RATES 8
155 #define NDIS_802_11_LENGTH_RATES_EX 16
156
157 struct NDIS_802_11_SSID {
158 __le32 SsidLength;
159 u8 Ssid[NDIS_802_11_LENGTH_SSID];
160 } __attribute__((packed));
161
162 enum NDIS_802_11_NETWORK_TYPE {
163 Ndis802_11FH,
164 Ndis802_11DS,
165 Ndis802_11OFDM5,
166 Ndis802_11OFDM24,
167 Ndis802_11NetworkTypeMax
168 };
169
170 struct NDIS_802_11_CONFIGURATION_FH {
171 __le32 Length;
172 __le32 HopPattern;
173 __le32 HopSet;
174 __le32 DwellTime;
175 } __attribute__((packed));
176
177 struct NDIS_802_11_CONFIGURATION {
178 __le32 Length;
179 __le32 BeaconPeriod;
180 __le32 ATIMWindow;
181 __le32 DSConfig;
182 struct NDIS_802_11_CONFIGURATION_FH FHConfig;
183 } __attribute__((packed));
184
185 enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
186 Ndis802_11IBSS,
187 Ndis802_11Infrastructure,
188 Ndis802_11AutoUnknown,
189 Ndis802_11InfrastructureMax
190 };
191
192 enum NDIS_802_11_AUTHENTICATION_MODE {
193 Ndis802_11AuthModeOpen,
194 Ndis802_11AuthModeShared,
195 Ndis802_11AuthModeAutoSwitch,
196 Ndis802_11AuthModeWPA,
197 Ndis802_11AuthModeWPAPSK,
198 Ndis802_11AuthModeWPANone,
199 Ndis802_11AuthModeWPA2,
200 Ndis802_11AuthModeWPA2PSK,
201 Ndis802_11AuthModeMax
202 };
203
204 enum NDIS_802_11_ENCRYPTION_STATUS {
205 Ndis802_11WEPEnabled,
206 Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
207 Ndis802_11WEPDisabled,
208 Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
209 Ndis802_11WEPKeyAbsent,
210 Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
211 Ndis802_11WEPNotSupported,
212 Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
213 Ndis802_11Encryption2Enabled,
214 Ndis802_11Encryption2KeyAbsent,
215 Ndis802_11Encryption3Enabled,
216 Ndis802_11Encryption3KeyAbsent
217 };
218
219 enum NDIS_802_11_PRIVACY_FILTER {
220 Ndis802_11PrivFilterAcceptAll,
221 Ndis802_11PrivFilter8021xWEP
222 };
223
224 struct NDIS_WLAN_BSSID_EX {
225 __le32 Length;
226 u8 MacAddress[6];
227 u8 Padding[2];
228 struct NDIS_802_11_SSID Ssid;
229 __le32 Privacy;
230 __le32 Rssi;
231 <<<<<<< HEAD:drivers/net/wireless/rndis_wlan.c
232 enum NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
233 =======
234 __le32 NetworkTypeInUse;
235 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/net/wireless/rndis_wlan.c
236 struct NDIS_802_11_CONFIGURATION Configuration;
237 <<<<<<< HEAD:drivers/net/wireless/rndis_wlan.c
238 enum NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
239 =======
240 __le32 InfrastructureMode;
241 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/net/wireless/rndis_wlan.c
242 u8 SupportedRates[NDIS_802_11_LENGTH_RATES_EX];
243 __le32 IELength;
244 u8 IEs[0];
245 } __attribute__((packed));
246
247 struct NDIS_802_11_BSSID_LIST_EX {
248 __le32 NumberOfItems;
249 struct NDIS_WLAN_BSSID_EX Bssid[0];
250 } __attribute__((packed));
251
252 struct NDIS_802_11_FIXED_IEs {
253 u8 Timestamp[8];
254 __le16 BeaconInterval;
255 __le16 Capabilities;
256 } __attribute__((packed));
257
258 struct NDIS_802_11_WEP {
259 __le32 Length;
260 __le32 KeyIndex;
261 __le32 KeyLength;
262 u8 KeyMaterial[32];
263 } __attribute__((packed));
264
265 struct NDIS_802_11_KEY {
266 __le32 Length;
267 __le32 KeyIndex;
268 __le32 KeyLength;
269 u8 Bssid[6];
270 u8 Padding[6];
271 <<<<<<< HEAD:drivers/net/wireless/rndis_wlan.c
272 __le64 KeyRSC;
273 =======
274 u8 KeyRSC[8];
275 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/net/wireless/rndis_wlan.c
276 u8 KeyMaterial[32];
277 } __attribute__((packed));
278
279 struct NDIS_802_11_REMOVE_KEY {
280 __le32 Length;
281 __le32 KeyIndex;
282 u8 Bssid[6];
283 } __attribute__((packed));
284
285 struct RNDIS_CONFIG_PARAMETER_INFOBUFFER {
286 __le32 ParameterNameOffset;
287 __le32 ParameterNameLength;
288 __le32 ParameterType;
289 __le32 ParameterValueOffset;
290 __le32 ParameterValueLength;
291 } __attribute__((packed));
292
293 /* these have to match what is in wpa_supplicant */
294 <<<<<<< HEAD:drivers/net/wireless/rndis_wlan.c
295 enum { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP } wpa_alg;
296 enum { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, CIPHER_WEP104 }
297 wpa_cipher;
298 enum { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE, KEY_MGMT_802_1X_NO_WPA,
299 KEY_MGMT_WPA_NONE } wpa_key_mgmt;
300 =======
301 enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
302 enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
303 CIPHER_WEP104 };
304 enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
305 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
306 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/net/wireless/rndis_wlan.c
307
308 /*
309 * private data
310 */
311 #define NET_TYPE_11FB 0
312
313 #define CAP_MODE_80211A 1
314 #define CAP_MODE_80211B 2
315 #define CAP_MODE_80211G 4
316 #define CAP_MODE_MASK 7
317 #define CAP_SUPPORT_TXPOWER 8
318
319 #define WORK_CONNECTION_EVENT (1<<0)
320 #define WORK_SET_MULTICAST_LIST (1<<1)
321
322 /* RNDIS device private data */
323 struct rndis_wext_private {
324 char name[32];
325
326 struct usbnet *usbdev;
327
328 struct workqueue_struct *workqueue;
329 struct delayed_work stats_work;
330 struct work_struct work;
331 struct mutex command_lock;
332 spinlock_t stats_lock;
333 unsigned long work_pending;
334
335 struct iw_statistics iwstats;
336 struct iw_statistics privstats;
337
338 int nick_len;
339 char nick[32];
340
341 int caps;
342 int multicast_size;
343
344 /* module parameters */
345 char param_country[4];
346 int param_frameburst;
347 int param_afterburner;
348 int param_power_save;
349 int param_power_output;
350 int param_roamtrigger;
351 int param_roamdelta;
352 u32 param_workaround_interval;
353
354 /* hardware state */
355 int radio_on;
356 int infra_mode;
357 struct NDIS_802_11_SSID essid;
358
359 /* encryption stuff */
360 int encr_tx_key_index;
361 char encr_keys[4][32];
362 int encr_key_len[4];
363 int wpa_version;
364 int wpa_keymgmt;
365 int wpa_authalg;
366 int wpa_ie_len;
367 u8 *wpa_ie;
368 int wpa_cipher_pair;
369 int wpa_cipher_group;
370 };
371
372
373 static const int freq_chan[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
374 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
375
376 static const int rates_80211g[8] = { 6, 9, 12, 18, 24, 36, 48, 54 };
377
378 static const int bcm4320_power_output[4] = { 25, 50, 75, 100 };
379
380 static const unsigned char zero_bssid[ETH_ALEN] = {0,};
381 static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
382 0xff, 0xff, 0xff };
383
384
385 static struct rndis_wext_private *get_rndis_wext_priv(struct usbnet *dev)
386 {
387 return (struct rndis_wext_private *)dev->driver_priv;
388 }
389
390
391 static u32 get_bcm4320_power(struct rndis_wext_private *priv)
392 {
393 return BCM4320_DEFAULT_TXPOWER *
394 bcm4320_power_output[priv->param_power_output] / 100;
395 }
396
397
398 /* translate error code */
399 static int rndis_error_status(__le32 rndis_status)
400 {
401 int ret = -EINVAL;
402 switch (rndis_status) {
403 case RNDIS_STATUS_SUCCESS:
404 ret = 0;
405 break;
406 case RNDIS_STATUS_FAILURE:
407 case RNDIS_STATUS_INVALID_DATA:
408 ret = -EINVAL;
409 break;
410 case RNDIS_STATUS_NOT_SUPPORTED:
411 ret = -EOPNOTSUPP;
412 break;
413 case RNDIS_STATUS_ADAPTER_NOT_READY:
414 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
415 ret = -EBUSY;
416 break;
417 }
418 return ret;
419 }
420
421
422 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
423 {
424 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
425 union {
426 void *buf;
427 struct rndis_msg_hdr *header;
428 struct rndis_query *get;
429 struct rndis_query_c *get_c;
430 } u;
431 int ret, buflen;
432
433 buflen = *len + sizeof(*u.get);
434 if (buflen < CONTROL_BUFFER_SIZE)
435 buflen = CONTROL_BUFFER_SIZE;
436 u.buf = kmalloc(buflen, GFP_KERNEL);
437 if (!u.buf)
438 return -ENOMEM;
439 memset(u.get, 0, sizeof *u.get);
440 u.get->msg_type = RNDIS_MSG_QUERY;
441 u.get->msg_len = ccpu2(sizeof *u.get);
442 u.get->oid = oid;
443
444 mutex_lock(&priv->command_lock);
445 ret = rndis_command(dev, u.header);
446 mutex_unlock(&priv->command_lock);
447
448 if (ret == 0) {
449 ret = le32_to_cpu(u.get_c->len);
450 *len = (*len > ret) ? ret : *len;
451 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
452 ret = rndis_error_status(u.get_c->status);
453 }
454
455 kfree(u.buf);
456 return ret;
457 }
458
459
460 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
461 {
462 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
463 union {
464 void *buf;
465 struct rndis_msg_hdr *header;
466 struct rndis_set *set;
467 struct rndis_set_c *set_c;
468 } u;
469 int ret, buflen;
470
471 buflen = len + sizeof(*u.set);
472 if (buflen < CONTROL_BUFFER_SIZE)
473 buflen = CONTROL_BUFFER_SIZE;
474 u.buf = kmalloc(buflen, GFP_KERNEL);
475 if (!u.buf)
476 return -ENOMEM;
477
478 memset(u.set, 0, sizeof *u.set);
479 u.set->msg_type = RNDIS_MSG_SET;
480 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
481 u.set->oid = oid;
482 u.set->len = cpu_to_le32(len);
483 u.set->offset = ccpu2(sizeof(*u.set) - 8);
484 u.set->handle = ccpu2(0);
485 memcpy(u.buf + sizeof(*u.set), data, len);
486
487 mutex_lock(&priv->command_lock);
488 ret = rndis_command(dev, u.header);
489 mutex_unlock(&priv->command_lock);
490
491 if (ret == 0)
492 ret = rndis_error_status(u.set_c->status);
493
494 kfree(u.buf);
495 return ret;
496 }
497
498
499 /*
500 * Specs say that we can only set config parameters only soon after device
501 * initialization.
502 * value_type: 0 = u32, 2 = unicode string
503 */
504 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
505 int value_type, void *value)
506 {
507 struct RNDIS_CONFIG_PARAMETER_INFOBUFFER *infobuf;
508 int value_len, info_len, param_len, ret, i;
509 __le16 *unibuf;
510 __le32 *dst_value;
511
512 if (value_type == 0)
513 value_len = sizeof(__le32);
514 else if (value_type == 2)
515 value_len = strlen(value) * sizeof(__le16);
516 else
517 return -EINVAL;
518
519 param_len = strlen(param) * sizeof(__le16);
520 info_len = sizeof(*infobuf) + param_len + value_len;
521
522 #ifdef DEBUG
523 info_len += 12;
524 #endif
525 infobuf = kmalloc(info_len, GFP_KERNEL);
526 if (!infobuf)
527 return -ENOMEM;
528
529 #ifdef DEBUG
530 info_len -= 12;
531 /* extra 12 bytes are for padding (debug output) */
532 memset(infobuf, 0xCC, info_len + 12);
533 #endif
534
535 if (value_type == 2)
536 devdbg(dev, "setting config parameter: %s, value: %s",
537 param, (u8 *)value);
538 else
539 devdbg(dev, "setting config parameter: %s, value: %d",
540 param, *(u32 *)value);
541
542 infobuf->ParameterNameOffset = cpu_to_le32(sizeof(*infobuf));
543 infobuf->ParameterNameLength = cpu_to_le32(param_len);
544 infobuf->ParameterType = cpu_to_le32(value_type);
545 infobuf->ParameterValueOffset = cpu_to_le32(sizeof(*infobuf) +
546 param_len);
547 infobuf->ParameterValueLength = cpu_to_le32(value_len);
548
549 /* simple string to unicode string conversion */
550 unibuf = (void *)infobuf + sizeof(*infobuf);
551 for (i = 0; i < param_len / sizeof(__le16); i++)
552 unibuf[i] = cpu_to_le16(param[i]);
553
554 if (value_type == 2) {
555 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
556 for (i = 0; i < value_len / sizeof(__le16); i++)
557 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
558 } else {
559 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
560 *dst_value = cpu_to_le32(*(u32 *)value);
561 }
562
563 #ifdef DEBUG
564 devdbg(dev, "info buffer (len: %d):", info_len);
565 for (i = 0; i < info_len; i += 12) {
566 u32 *tmp = (u32 *)((u8 *)infobuf + i);
567 devdbg(dev, "%08X:%08X:%08X",
568 cpu_to_be32(tmp[0]),
569 cpu_to_be32(tmp[1]),
570 cpu_to_be32(tmp[2]));
571 }
572 #endif
573
574 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
575 infobuf, info_len);
576 if (ret != 0)
577 devdbg(dev, "setting rndis config paramater failed, %d.", ret);
578
579 kfree(infobuf);
580 return ret;
581 }
582
583 static int rndis_set_config_parameter_str(struct usbnet *dev,
584 char *param, char *value)
585 {
586 return(rndis_set_config_parameter(dev, param, 2, value));
587 }
588
589 /*static int rndis_set_config_parameter_u32(struct usbnet *dev,
590 char *param, u32 value)
591 {
592 return(rndis_set_config_parameter(dev, param, 0, &value));
593 }*/
594
595
596 /*
597 * data conversion functions
598 */
599 static int level_to_qual(int level)
600 {
601 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
602 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
603 }
604
605
606 static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
607 {
608 freq->e = 0;
609 freq->i = 0;
610 freq->flags = 0;
611
612 /* see comment in wireless.h above the "struct iw_freq"
613 * definition for an explanation of this if
614 * NOTE: 1000000 is due to the kHz
615 */
616 if (dsconfig > 1000000) {
617 freq->m = dsconfig / 10;
618 freq->e = 1;
619 } else
620 freq->m = dsconfig;
621
622 /* convert from kHz to Hz */
623 freq->e += 3;
624 }
625
626
627 static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
628 {
629 if (freq->m < 1000 && freq->e == 0) {
630 if (freq->m >= 1 &&
631 freq->m <= (sizeof(freq_chan) / sizeof(freq_chan[0])))
632 *dsconfig = freq_chan[freq->m - 1] * 1000;
633 else
634 return -1;
635 } else {
636 int i;
637 *dsconfig = freq->m;
638 for (i = freq->e; i > 0; i--)
639 *dsconfig *= 10;
640 *dsconfig /= 1000;
641 }
642
643 return 0;
644 }
645
646
647 /*
648 * common functions
649 */
650 static int
651 add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index);
652
653 static int get_essid(struct usbnet *usbdev, struct NDIS_802_11_SSID *ssid)
654 {
655 int ret, len;
656
657 len = sizeof(*ssid);
658 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
659
660 if (ret != 0)
661 ssid->SsidLength = 0;
662
663 #ifdef DEBUG
664 {
665 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
666
667 memcpy(tmp, ssid->Ssid, le32_to_cpu(ssid->SsidLength));
668 tmp[le32_to_cpu(ssid->SsidLength)] = 0;
669 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
670 }
671 #endif
672 return ret;
673 }
674
675
676 static int set_essid(struct usbnet *usbdev, struct NDIS_802_11_SSID *ssid)
677 {
678 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
679 int ret;
680
681 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
682 if (ret == 0) {
683 memcpy(&priv->essid, ssid, sizeof(priv->essid));
684 priv->radio_on = 1;
685 devdbg(usbdev, "set_essid: radio_on = 1");
686 }
687
688 return ret;
689 }
690
691
692 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
693 {
694 int ret, len;
695
696 len = ETH_ALEN;
697 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
698
699 if (ret != 0)
700 memset(bssid, 0, ETH_ALEN);
701
702 return ret;
703 }
704
705
706 static int is_associated(struct usbnet *usbdev)
707 {
708 u8 bssid[ETH_ALEN];
709 int ret;
710
711 ret = get_bssid(usbdev, bssid);
712
713 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
714 }
715
716
717 static int disassociate(struct usbnet *usbdev, int reset_ssid)
718 {
719 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
720 struct NDIS_802_11_SSID ssid;
721 int i, ret = 0;
722
723 if (priv->radio_on) {
724 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
725 if (ret == 0) {
726 priv->radio_on = 0;
727 devdbg(usbdev, "disassociate: radio_on = 0");
728
729 if (reset_ssid)
730 msleep(100);
731 }
732 }
733
734 /* disassociate causes radio to be turned off; if reset_ssid
735 * is given, set random ssid to enable radio */
736 if (reset_ssid) {
737 ssid.SsidLength = cpu_to_le32(sizeof(ssid.Ssid));
738 get_random_bytes(&ssid.Ssid[2], sizeof(ssid.Ssid)-2);
739 ssid.Ssid[0] = 0x1;
740 ssid.Ssid[1] = 0xff;
741 for (i = 2; i < sizeof(ssid.Ssid); i++)
742 ssid.Ssid[i] = 0x1 + (ssid.Ssid[i] * 0xfe / 0xff);
743 ret = set_essid(usbdev, &ssid);
744 }
745 return ret;
746 }
747
748
749 static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
750 {
751 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
752 __le32 tmp;
753 int auth_mode, ret;
754
755 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
756 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
757
758 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
759 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
760 auth_mode = Ndis802_11AuthModeWPA2;
761 else
762 auth_mode = Ndis802_11AuthModeWPA2PSK;
763 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
764 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
765 auth_mode = Ndis802_11AuthModeWPA;
766 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
767 auth_mode = Ndis802_11AuthModeWPAPSK;
768 else
769 auth_mode = Ndis802_11AuthModeWPANone;
770 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
771 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
772 auth_mode = Ndis802_11AuthModeAutoSwitch;
773 else
774 auth_mode = Ndis802_11AuthModeShared;
775 } else
776 auth_mode = Ndis802_11AuthModeOpen;
777
778 tmp = cpu_to_le32(auth_mode);
779 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
780 sizeof(tmp));
781 if (ret != 0) {
782 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
783 return ret;
784 }
785
786 priv->wpa_version = wpa_version;
787 priv->wpa_authalg = authalg;
788 return 0;
789 }
790
791
792 static int set_priv_filter(struct usbnet *usbdev)
793 {
794 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
795 __le32 tmp;
796
797 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
798
799 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
800 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
801 tmp = cpu_to_le32(Ndis802_11PrivFilter8021xWEP);
802 else
803 tmp = cpu_to_le32(Ndis802_11PrivFilterAcceptAll);
804
805 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
806 sizeof(tmp));
807 }
808
809
810 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
811 {
812 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
813 __le32 tmp;
814 int encr_mode, ret;
815
816 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
817 pairwise,
818 groupwise);
819
820 if (pairwise & IW_AUTH_CIPHER_CCMP)
821 encr_mode = Ndis802_11Encryption3Enabled;
822 else if (pairwise & IW_AUTH_CIPHER_TKIP)
823 encr_mode = Ndis802_11Encryption2Enabled;
824 else if (pairwise &
825 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
826 encr_mode = Ndis802_11Encryption1Enabled;
827 else if (groupwise & IW_AUTH_CIPHER_CCMP)
828 encr_mode = Ndis802_11Encryption3Enabled;
829 else if (groupwise & IW_AUTH_CIPHER_TKIP)
830 encr_mode = Ndis802_11Encryption2Enabled;
831 else
832 encr_mode = Ndis802_11EncryptionDisabled;
833
834 tmp = cpu_to_le32(encr_mode);
835 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
836 sizeof(tmp));
837 if (ret != 0) {
838 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
839 return ret;
840 }
841
842 priv->wpa_cipher_pair = pairwise;
843 priv->wpa_cipher_group = groupwise;
844 return 0;
845 }
846
847
848 static int set_assoc_params(struct usbnet *usbdev)
849 {
850 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
851
852 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
853 set_priv_filter(usbdev);
854 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
855
856 return 0;
857 }
858
859
860 static int set_infra_mode(struct usbnet *usbdev, int mode)
861 {
862 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
863 __le32 tmp;
864 int ret, i;
865
866 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
867
868 tmp = cpu_to_le32(mode);
869 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
870 sizeof(tmp));
871 if (ret != 0) {
872 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
873 return ret;
874 }
875
876 /* NDIS drivers clear keys when infrastructure mode is
877 * changed. But Linux tools assume otherwise. So set the
878 * keys */
879 if (priv->wpa_keymgmt == 0 ||
880 priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) {
881 for (i = 0; i < 4; i++) {
882 if (priv->encr_key_len[i] > 0)
883 add_wep_key(usbdev, priv->encr_keys[i],
884 priv->encr_key_len[i], i);
885 }
886 }
887
888 priv->infra_mode = mode;
889 return 0;
890 }
891
892
893 static void set_default_iw_params(struct usbnet *usbdev)
894 {
895 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
896
897 priv->wpa_keymgmt = 0;
898 priv->wpa_version = 0;
899
900 set_infra_mode(usbdev, Ndis802_11Infrastructure);
901 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
902 IW_AUTH_ALG_OPEN_SYSTEM);
903 set_priv_filter(usbdev);
904 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
905 }
906
907
908 static int deauthenticate(struct usbnet *usbdev)
909 {
910 int ret;
911
912 ret = disassociate(usbdev, 1);
913 set_default_iw_params(usbdev);
914 return ret;
915 }
916
917
918 /* index must be 0 - N, as per NDIS */
919 static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
920 {
921 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
922 struct NDIS_802_11_WEP ndis_key;
923 int ret;
924
925 if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4)
926 return -EINVAL;
927
928 memset(&ndis_key, 0, sizeof(ndis_key));
929
930 ndis_key.Length = cpu_to_le32(sizeof(ndis_key));
931 ndis_key.KeyLength = cpu_to_le32(key_len);
932 ndis_key.KeyIndex = cpu_to_le32(index);
933 memcpy(&ndis_key.KeyMaterial, key, key_len);
934
935 if (index == priv->encr_tx_key_index) {
936 ndis_key.KeyIndex |= cpu_to_le32(1 << 31);
937 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
938 IW_AUTH_CIPHER_NONE);
939 if (ret)
940 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
941 ret);
942 }
943
944 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
945 sizeof(ndis_key));
946 if (ret != 0) {
947 devwarn(usbdev, "adding encryption key %d failed (%08X)",
948 index+1, ret);
949 return ret;
950 }
951
952 priv->encr_key_len[index] = key_len;
953 memcpy(&priv->encr_keys[index], key, key_len);
954
955 return 0;
956 }
957
958
959 /* remove_key is for both wep and wpa */
960 static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
961 {
962 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
963 struct NDIS_802_11_REMOVE_KEY remove_key;
964 __le32 keyindex;
965 int ret;
966
967 if (priv->encr_key_len[index] == 0)
968 return 0;
969
970 priv->encr_key_len[index] = 0;
971 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
972
973 if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP ||
974 priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP ||
975 priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP ||
976 priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) {
977 remove_key.Length = cpu_to_le32(sizeof(remove_key));
978 remove_key.KeyIndex = cpu_to_le32(index);
979 if (bssid) {
980 /* pairwise key */
981 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
982 remove_key.KeyIndex |= cpu_to_le32(1 << 30);
983 memcpy(remove_key.Bssid, bssid,
984 sizeof(remove_key.Bssid));
985 } else
986 memset(remove_key.Bssid, 0xff,
987 sizeof(remove_key.Bssid));
988
989 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
990 sizeof(remove_key));
991 if (ret != 0)
992 return ret;
993 } else {
994 keyindex = cpu_to_le32(index);
995 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
996 sizeof(keyindex));
997 if (ret != 0) {
998 devwarn(usbdev,
999 "removing encryption key %d failed (%08X)",
1000 index, ret);
1001 return ret;
1002 }
1003 }
1004
1005 /* if it is transmit key, disable encryption */
1006 if (index == priv->encr_tx_key_index)
1007 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1008
1009 return 0;
1010 }
1011
1012
1013 static void set_multicast_list(struct usbnet *usbdev)
1014 {
1015 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1016 struct dev_mc_list *mclist;
1017 __le32 filter;
1018 int ret, i, size;
1019 char *buf;
1020
1021 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1022
1023 if (usbdev->net->flags & IFF_PROMISC) {
1024 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1025 RNDIS_PACKET_TYPE_ALL_LOCAL;
1026 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1027 usbdev->net->mc_count > priv->multicast_size) {
1028 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1029 } else if (usbdev->net->mc_count > 0) {
1030 size = min(priv->multicast_size, usbdev->net->mc_count);
1031 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1032 if (!buf) {
1033 devwarn(usbdev,
1034 "couldn't alloc %d bytes of memory",
1035 size * ETH_ALEN);
1036 return;
1037 }
1038
1039 mclist = usbdev->net->mc_list;
1040 for (i = 0; i < size && mclist; mclist = mclist->next) {
1041 if (mclist->dmi_addrlen != ETH_ALEN)
1042 continue;
1043
1044 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1045 i++;
1046 }
1047
1048 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1049 i * ETH_ALEN);
1050 if (ret == 0 && i > 0)
1051 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1052 else
1053 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1054
1055 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1056 i, priv->multicast_size, ret);
1057
1058 kfree(buf);
1059 }
1060
1061 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1062 sizeof(filter));
1063 if (ret < 0) {
1064 devwarn(usbdev, "couldn't set packet filter: %08x",
1065 le32_to_cpu(filter));
1066 }
1067
1068 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1069 le32_to_cpu(filter), ret);
1070 }
1071
1072
1073 /*
1074 * wireless extension handlers
1075 */
1076
1077 static int rndis_iw_commit(struct net_device *dev,
1078 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1079 {
1080 /* dummy op */
1081 return 0;
1082 }
1083
1084
1085 static int rndis_iw_get_range(struct net_device *dev,
1086 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1087 {
1088 struct iw_range *range = (struct iw_range *)extra;
1089 struct usbnet *usbdev = dev->priv;
1090 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1091 int len, ret, i, j, num, has_80211g_rates;
1092 u8 rates[8];
1093 __le32 tx_power;
1094
1095 devdbg(usbdev, "SIOCGIWRANGE");
1096
1097 /* clear iw_range struct */
1098 memset(range, 0, sizeof(*range));
1099 wrqu->data.length = sizeof(*range);
1100
1101 range->txpower_capa = IW_TXPOW_MWATT;
1102 range->num_txpower = 1;
1103 if (priv->caps & CAP_SUPPORT_TXPOWER) {
1104 len = sizeof(tx_power);
1105 ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
1106 &tx_power, &len);
1107 if (ret == 0 && le32_to_cpu(tx_power) != 0xFF)
1108 range->txpower[0] = le32_to_cpu(tx_power);
1109 else
1110 range->txpower[0] = get_bcm4320_power(priv);
1111 } else
1112 range->txpower[0] = get_bcm4320_power(priv);
1113
1114 len = sizeof(rates);
1115 ret = rndis_query_oid(usbdev, OID_802_11_SUPPORTED_RATES, &rates,
1116 &len);
1117 has_80211g_rates = 0;
1118 if (ret == 0) {
1119 j = 0;
1120 for (i = 0; i < len; i++) {
1121 if (rates[i] == 0)
1122 break;
1123 range->bitrate[j] = (rates[i] & 0x7f) * 500000;
1124 /* check for non 802.11b rates */
1125 if (range->bitrate[j] == 6000000 ||
1126 range->bitrate[j] == 9000000 ||
1127 (range->bitrate[j] >= 12000000 &&
1128 range->bitrate[j] != 22000000))
1129 has_80211g_rates = 1;
1130 j++;
1131 }
1132 range->num_bitrates = j;
1133 } else
1134 range->num_bitrates = 0;
1135
1136 /* fill in 802.11g rates */
1137 if (has_80211g_rates) {
1138 num = range->num_bitrates;
1139 for (i = 0; i < sizeof(rates_80211g); i++) {
1140 for (j = 0; j < num; j++) {
1141 if (range->bitrate[j] ==
1142 rates_80211g[i] * 1000000)
1143 break;
1144 }
1145 if (j == num)
1146 range->bitrate[range->num_bitrates++] =
1147 rates_80211g[i] * 1000000;
1148 if (range->num_bitrates == IW_MAX_BITRATES)
1149 break;
1150 }
1151
1152 /* estimated max real througput in bps */
1153 range->throughput = 54 * 1000 * 1000 / 2;
1154
1155 /* ~35% more with afterburner */
1156 if (priv->param_afterburner)
1157 range->throughput = range->throughput / 100 * 135;
1158 } else {
1159 /* estimated max real througput in bps */
1160 range->throughput = 11 * 1000 * 1000 / 2;
1161 }
1162
1163 range->num_channels = (sizeof(freq_chan)/sizeof(freq_chan[0]));
1164
1165 for (i = 0; i < (sizeof(freq_chan)/sizeof(freq_chan[0])) &&
1166 i < IW_MAX_FREQUENCIES; i++) {
1167 range->freq[i].i = i + 1;
1168 range->freq[i].m = freq_chan[i] * 100000;
1169 range->freq[i].e = 1;
1170 }
1171 range->num_frequency = i;
1172
1173 range->min_rts = 0;
1174 range->max_rts = 2347;
1175 range->min_frag = 256;
1176 range->max_frag = 2346;
1177
1178 range->max_qual.qual = 100;
1179 range->max_qual.level = 154;
1180 range->max_qual.updated = IW_QUAL_QUAL_UPDATED
1181 | IW_QUAL_LEVEL_UPDATED
1182 | IW_QUAL_NOISE_INVALID;
1183
1184 range->we_version_compiled = WIRELESS_EXT;
1185 range->we_version_source = WIRELESS_EXT;
1186
1187 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1188 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1189 return 0;
1190 }
1191
1192
1193 static int rndis_iw_get_name(struct net_device *dev,
1194 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1195 {
1196 struct usbnet *usbdev = dev->priv;
1197 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1198
1199 strcpy(wrqu->name, priv->name);
1200 return 0;
1201 }
1202
1203
1204 static int rndis_iw_set_essid(struct net_device *dev,
1205 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1206 {
1207 struct NDIS_802_11_SSID ssid;
1208 int length = wrqu->essid.length;
1209 struct usbnet *usbdev = dev->priv;
1210
1211 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1212 wrqu->essid.flags, wrqu->essid.length, essid);
1213
1214 if (length > NDIS_802_11_LENGTH_SSID)
1215 length = NDIS_802_11_LENGTH_SSID;
1216
1217 ssid.SsidLength = cpu_to_le32(length);
1218 if (length > 0)
1219 memcpy(ssid.Ssid, essid, length);
1220 else
1221 memset(ssid.Ssid, 0, NDIS_802_11_LENGTH_SSID);
1222
1223 set_assoc_params(usbdev);
1224
1225 if (!wrqu->essid.flags || length == 0)
1226 return disassociate(usbdev, 1);
1227 else
1228 return set_essid(usbdev, &ssid);
1229 }
1230
1231
1232 static int rndis_iw_get_essid(struct net_device *dev,
1233 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1234 {
1235 struct NDIS_802_11_SSID ssid;
1236 struct usbnet *usbdev = dev->priv;
1237 int ret;
1238
1239 ret = get_essid(usbdev, &ssid);
1240
1241 if (ret == 0 && le32_to_cpu(ssid.SsidLength) > 0) {
1242 wrqu->essid.flags = 1;
1243 wrqu->essid.length = le32_to_cpu(ssid.SsidLength);
1244 memcpy(essid, ssid.Ssid, wrqu->essid.length);
1245 essid[wrqu->essid.length] = 0;
1246 } else {
1247 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1248 wrqu->essid.flags = 0;
1249 wrqu->essid.length = 0;
1250 }
1251 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1252 return ret;
1253 }
1254
1255
1256 static int rndis_iw_get_bssid(struct net_device *dev,
1257 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1258 {
1259 struct usbnet *usbdev = dev->priv;
1260 unsigned char bssid[ETH_ALEN];
1261 int ret;
1262 DECLARE_MAC_BUF(mac);
1263
1264 ret = get_bssid(usbdev, bssid);
1265
1266 if (ret == 0)
1267 devdbg(usbdev, "SIOCGIWAP: %s", print_mac(mac, bssid));
1268 else
1269 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1270
1271 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1272 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1273
1274 return ret;
1275 }
1276
1277
1278 static int rndis_iw_set_bssid(struct net_device *dev,
1279 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1280 {
1281 struct usbnet *usbdev = dev->priv;
1282 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
1283 DECLARE_MAC_BUF(mac);
1284 int ret;
1285
1286 devdbg(usbdev, "SIOCSIWAP: %s", print_mac(mac, bssid));
1287
1288 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1289
1290 /* user apps may set ap's mac address, which is not required;
1291 * they may fail to work if this function fails, so return
1292 * success */
1293 if (ret)
1294 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1295
1296 return 0;
1297 }
1298
1299
1300 static int rndis_iw_set_auth(struct net_device *dev,
1301 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1302 {
1303 struct iw_param *p = &wrqu->param;
1304 struct usbnet *usbdev = dev->priv;
1305 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1306 int ret = -ENOTSUPP;
1307
1308 switch (p->flags & IW_AUTH_INDEX) {
1309 case IW_AUTH_WPA_VERSION:
1310 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1311 priv->wpa_version = p->value;
1312 ret = 0;
1313 break;
1314
1315 case IW_AUTH_CIPHER_PAIRWISE:
1316 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1317 priv->wpa_cipher_pair = p->value;
1318 ret = 0;
1319 break;
1320
1321 case IW_AUTH_CIPHER_GROUP:
1322 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1323 priv->wpa_cipher_group = p->value;
1324 ret = 0;
1325 break;
1326
1327 case IW_AUTH_KEY_MGMT:
1328 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1329 priv->wpa_keymgmt = p->value;
1330 ret = 0;
1331 break;
1332
1333 case IW_AUTH_TKIP_COUNTERMEASURES:
1334 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1335 p->value);
1336 ret = 0;
1337 break;
1338
1339 case IW_AUTH_DROP_UNENCRYPTED:
1340 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1341 ret = 0;
1342 break;
1343
1344 case IW_AUTH_80211_AUTH_ALG:
1345 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1346 priv->wpa_authalg = p->value;
1347 ret = 0;
1348 break;
1349
1350 case IW_AUTH_WPA_ENABLED:
1351 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1352 if (wrqu->param.value)
1353 deauthenticate(usbdev);
1354 ret = 0;
1355 break;
1356
1357 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1358 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1359 p->value);
1360 ret = 0;
1361 break;
1362
1363 case IW_AUTH_ROAMING_CONTROL:
1364 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1365 ret = 0;
1366 break;
1367
1368 case IW_AUTH_PRIVACY_INVOKED:
1369 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1370 wrqu->param.flags & IW_AUTH_INDEX);
1371 return -EOPNOTSUPP;
1372
1373 default:
1374 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1375 p->flags & IW_AUTH_INDEX, p->value);
1376 }
1377 return ret;
1378 }
1379
1380
1381 static int rndis_iw_get_auth(struct net_device *dev,
1382 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1383 {
1384 struct iw_param *p = &wrqu->param;
1385 struct usbnet *usbdev = dev->priv;
1386 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1387
1388 switch (p->flags & IW_AUTH_INDEX) {
1389 case IW_AUTH_WPA_VERSION:
1390 p->value = priv->wpa_version;
1391 break;
1392 case IW_AUTH_CIPHER_PAIRWISE:
1393 p->value = priv->wpa_cipher_pair;
1394 break;
1395 case IW_AUTH_CIPHER_GROUP:
1396 p->value = priv->wpa_cipher_group;
1397 break;
1398 case IW_AUTH_KEY_MGMT:
1399 p->value = priv->wpa_keymgmt;
1400 break;
1401 case IW_AUTH_80211_AUTH_ALG:
1402 p->value = priv->wpa_authalg;
1403 break;
1404 default:
1405 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1406 wrqu->param.flags & IW_AUTH_INDEX);
1407 return -EOPNOTSUPP;
1408 }
1409 return 0;
1410 }
1411
1412
1413 static int rndis_iw_get_mode(struct net_device *dev,
1414 struct iw_request_info *info,
1415 union iwreq_data *wrqu, char *extra)
1416 {
1417 struct usbnet *usbdev = dev->priv;
1418 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1419
1420 switch (priv->infra_mode) {
1421 case Ndis802_11IBSS:
1422 wrqu->mode = IW_MODE_ADHOC;
1423 break;
1424 case Ndis802_11Infrastructure:
1425 wrqu->mode = IW_MODE_INFRA;
1426 break;
1427 /*case Ndis802_11AutoUnknown:*/
1428 default:
1429 wrqu->mode = IW_MODE_AUTO;
1430 break;
1431 }
1432 devdbg(usbdev, "SIOCGIWMODE: %08x", wrqu->mode);
1433 return 0;
1434 }
1435
1436
1437 static int rndis_iw_set_mode(struct net_device *dev,
1438 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1439 {
1440 struct usbnet *usbdev = dev->priv;
1441 int mode;
1442
1443 devdbg(usbdev, "SIOCSIWMODE: %08x", wrqu->mode);
1444
1445 switch (wrqu->mode) {
1446 case IW_MODE_ADHOC:
1447 mode = Ndis802_11IBSS;
1448 break;
1449 case IW_MODE_INFRA:
1450 mode = Ndis802_11Infrastructure;
1451 break;
1452 /*case IW_MODE_AUTO:*/
1453 default:
1454 mode = Ndis802_11AutoUnknown;
1455 break;
1456 }
1457
1458 return set_infra_mode(usbdev, mode);
1459 }
1460
1461
1462 static int rndis_iw_set_encode(struct net_device *dev,
1463 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1464 {
1465 struct usbnet *usbdev = dev->priv;
1466 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1467 int ret, index, key_len;
1468 u8 *key;
1469
1470 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1471
1472 /* iwconfig gives index as 1 - N */
1473 if (index > 0)
1474 index--;
1475 else
1476 index = priv->encr_tx_key_index;
1477
1478 if (index < 0 || index >= 4) {
1479 devwarn(usbdev, "encryption index out of range (%u)", index);
1480 return -EINVAL;
1481 }
1482
1483 /* remove key if disabled */
1484 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
1485 if (remove_key(usbdev, index, NULL))
1486 return -EINVAL;
1487 else
1488 return 0;
1489 }
1490
1491 /* global encryption state (for all keys) */
1492 if (wrqu->data.flags & IW_ENCODE_OPEN)
1493 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1494 IW_AUTH_ALG_OPEN_SYSTEM);
1495 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
1496 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1497 IW_AUTH_ALG_SHARED_KEY);
1498 if (ret != 0)
1499 return ret;
1500
1501 if (wrqu->data.length > 0) {
1502 key_len = wrqu->data.length;
1503 key = extra;
1504 } else {
1505 /* must be set as tx key */
1506 if (priv->encr_key_len[index] == 0)
1507 return -EINVAL;
1508 key_len = priv->encr_key_len[index];
1509 key = priv->encr_keys[index];
1510 priv->encr_tx_key_index = index;
1511 }
1512
1513 if (add_wep_key(usbdev, key, key_len, index) != 0)
1514 return -EINVAL;
1515
1516 if (index == priv->encr_tx_key_index)
1517 /* ndis drivers want essid to be set after setting encr */
1518 set_essid(usbdev, &priv->essid);
1519
1520 return 0;
1521 }
1522
1523
1524 static int rndis_iw_set_encode_ext(struct net_device *dev,
1525 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1526 {
1527 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1528 struct usbnet *usbdev = dev->priv;
1529 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1530 struct NDIS_802_11_KEY ndis_key;
1531 <<<<<<< HEAD:drivers/net/wireless/rndis_wlan.c
1532 int i, keyidx, ret;
1533 =======
1534 int keyidx, ret;
1535 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/net/wireless/rndis_wlan.c
1536 u8 *addr;
1537
1538 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
1539
1540 /* iwconfig gives index as 1 - N */
1541 if (keyidx)
1542 keyidx--;
1543 else
1544 keyidx = priv->encr_tx_key_index;
1545
1546 if (keyidx < 0 || keyidx >= 4)
1547 return -EINVAL;
1548
1549 if (ext->alg == WPA_ALG_WEP) {
1550 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1551 priv->encr_tx_key_index = keyidx;
1552 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
1553 }
1554
1555 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
1556 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
1557 return remove_key(usbdev, keyidx, NULL);
1558
1559 if (ext->key_len > sizeof(ndis_key.KeyMaterial))
1560 return -1;
1561
1562 memset(&ndis_key, 0, sizeof(ndis_key));
1563
1564 ndis_key.Length = cpu_to_le32(sizeof(ndis_key) -
1565 sizeof(ndis_key.KeyMaterial) + ext->key_len);
1566 ndis_key.KeyLength = cpu_to_le32(ext->key_len);
1567 ndis_key.KeyIndex = cpu_to_le32(keyidx);
1568
1569 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
1570 <<<<<<< HEAD:drivers/net/wireless/rndis_wlan.c
1571 for (i = 0; i < 6; i++)
1572 ndis_key.KeyRSC |=
1573 cpu_to_le64(ext->rx_seq[i] << (i * 8));
1574 =======
1575 memcpy(ndis_key.KeyRSC, ext->rx_seq, 6);
1576 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/net/wireless/rndis_wlan.c
1577 ndis_key.KeyIndex |= cpu_to_le32(1 << 29);
1578 }
1579
1580 addr = ext->addr.sa_data;
1581 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1582 /* group key */
1583 if (priv->infra_mode == Ndis802_11IBSS)
1584 memset(ndis_key.Bssid, 0xff, ETH_ALEN);
1585 else
1586 get_bssid(usbdev, ndis_key.Bssid);
1587 } else {
1588 /* pairwise key */
1589 ndis_key.KeyIndex |= cpu_to_le32(1 << 30);
1590 memcpy(ndis_key.Bssid, addr, ETH_ALEN);
1591 }
1592
1593 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1594 ndis_key.KeyIndex |= cpu_to_le32(1 << 31);
1595
1596 if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) {
1597 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1598 * different order than NDIS spec, so swap the order here. */
1599 memcpy(ndis_key.KeyMaterial, ext->key, 16);
1600 memcpy(ndis_key.KeyMaterial + 16, ext->key + 24, 8);
1601 memcpy(ndis_key.KeyMaterial + 24, ext->key + 16, 8);
1602 } else
1603 memcpy(ndis_key.KeyMaterial, ext->key, ext->key_len);
1604
1605 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1606 le32_to_cpu(ndis_key.Length));
1607 devdbg(usbdev, "SIOCSIWENCODEEXT: OID_802_11_ADD_KEY -> %08X", ret);
1608 if (ret != 0)
1609 return ret;
1610
1611 priv->encr_key_len[keyidx] = ext->key_len;
1612 memcpy(&priv->encr_keys[keyidx], ndis_key.KeyMaterial, ext->key_len);
1613 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1614 priv->encr_tx_key_index = keyidx;
1615
1616 return 0;
1617 }
1618
1619
1620 static int rndis_iw_set_scan(struct net_device *dev,
1621 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1622 {
1623 struct iw_param *param = &wrqu->param;
1624 struct usbnet *usbdev = dev->priv;
1625 union iwreq_data evt;
1626 int ret = -EINVAL;
1627 __le32 tmp;
1628
1629 devdbg(usbdev, "SIOCSIWSCAN");
1630
1631 if (param->flags == 0) {
1632 tmp = ccpu2(1);
1633 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1634 sizeof(tmp));
1635 evt.data.flags = 0;
1636 evt.data.length = 0;
1637 wireless_send_event(dev, SIOCGIWSCAN, &evt, NULL);
1638 }
1639 return ret;
1640 }
1641
1642
1643 static char *rndis_translate_scan(struct net_device *dev,
1644 char *cev, char *end_buf, struct NDIS_WLAN_BSSID_EX *bssid)
1645 {
1646 #ifdef DEBUG
1647 struct usbnet *usbdev = dev->priv;
1648 #endif
1649 struct ieee80211_info_element *ie;
1650 char *current_val;
1651 int bssid_len, ie_len, i;
1652 u32 beacon, atim;
1653 struct iw_event iwe;
1654 unsigned char sbuf[32];
1655 DECLARE_MAC_BUF(mac);
1656
1657 bssid_len = le32_to_cpu(bssid->Length);
1658
1659 devdbg(usbdev, "BSSID %s", print_mac(mac, bssid->MacAddress));
1660 iwe.cmd = SIOCGIWAP;
1661 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1662 memcpy(iwe.u.ap_addr.sa_data, bssid->MacAddress, ETH_ALEN);
1663 cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_ADDR_LEN);
1664
1665 devdbg(usbdev, "SSID(%d) %s",
1666 le32_to_cpu(bssid->Ssid.SsidLength),
1667 bssid->Ssid.Ssid);
1668 iwe.cmd = SIOCGIWESSID;
1669 iwe.u.essid.length = le32_to_cpu(bssid->Ssid.SsidLength);
1670 iwe.u.essid.flags = 1;
1671 cev = iwe_stream_add_point(cev, end_buf, &iwe,
1672 bssid->Ssid.Ssid);
1673
1674 devdbg(usbdev, "MODE %d",
1675 le32_to_cpu(bssid->InfrastructureMode));
1676 iwe.cmd = SIOCGIWMODE;
1677 switch (le32_to_cpu(bssid->InfrastructureMode)) {
1678 case Ndis802_11IBSS:
1679 iwe.u.mode = IW_MODE_ADHOC;
1680 break;
1681 case Ndis802_11Infrastructure:
1682 iwe.u.mode = IW_MODE_INFRA;
1683 break;
1684 /*case Ndis802_11AutoUnknown:*/
1685 default:
1686 iwe.u.mode = IW_MODE_AUTO;
1687 break;
1688 }
1689 cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_UINT_LEN);
1690
1691 devdbg(usbdev, "FREQ %d kHz",
1692 le32_to_cpu(bssid->Configuration.DSConfig));
1693 iwe.cmd = SIOCGIWFREQ;
1694 dsconfig_to_freq(le32_to_cpu(bssid->Configuration.DSConfig),
1695 &iwe.u.freq);
1696 cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_FREQ_LEN);
1697
1698 devdbg(usbdev, "QUAL %d", le32_to_cpu(bssid->Rssi));
1699 iwe.cmd = IWEVQUAL;
1700 iwe.u.qual.qual = level_to_qual(le32_to_cpu(bssid->Rssi));
1701 iwe.u.qual.level = le32_to_cpu(bssid->Rssi);
1702 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
1703 | IW_QUAL_LEVEL_UPDATED
1704 | IW_QUAL_NOISE_INVALID;
1705 cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_QUAL_LEN);
1706
1707 devdbg(usbdev, "ENCODE %d", le32_to_cpu(bssid->Privacy));
1708 iwe.cmd = SIOCGIWENCODE;
1709 iwe.u.data.length = 0;
1710 if (le32_to_cpu(bssid->Privacy) == Ndis802_11PrivFilterAcceptAll)
1711 iwe.u.data.flags = IW_ENCODE_DISABLED;
1712 else
1713 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1714
1715 cev = iwe_stream_add_point(cev, end_buf, &iwe, NULL);
1716
1717 devdbg(usbdev, "RATES:");
1718 current_val = cev + IW_EV_LCP_LEN;
1719 iwe.cmd = SIOCGIWRATE;
1720 for (i = 0; i < sizeof(bssid->SupportedRates); i++) {
1721 if (bssid->SupportedRates[i] & 0x7f) {
1722 iwe.u.bitrate.value =
1723 ((bssid->SupportedRates[i] & 0x7f) *
1724 500000);
1725 devdbg(usbdev, " %d", iwe.u.bitrate.value);
1726 current_val = iwe_stream_add_value(cev,
1727 current_val, end_buf, &iwe,
1728 IW_EV_PARAM_LEN);
1729 }
1730 }
1731
1732 if ((current_val - cev) > IW_EV_LCP_LEN)
1733 cev = current_val;
1734
1735 beacon = le32_to_cpu(bssid->Configuration.BeaconPeriod);
1736 devdbg(usbdev, "BCN_INT %d", beacon);
1737 iwe.cmd = IWEVCUSTOM;
1738 snprintf(sbuf, sizeof(sbuf), "bcn_int=%d", beacon);
1739 iwe.u.data.length = strlen(sbuf);
1740 cev = iwe_stream_add_point(cev, end_buf, &iwe, sbuf);
1741
1742 atim = le32_to_cpu(bssid->Configuration.ATIMWindow);
1743 devdbg(usbdev, "ATIM %d", atim);
1744 iwe.cmd = IWEVCUSTOM;
1745 snprintf(sbuf, sizeof(sbuf), "atim=%u", atim);
1746 iwe.u.data.length = strlen(sbuf);
1747 cev = iwe_stream_add_point(cev, end_buf, &iwe, sbuf);
1748
1749 ie = (void *)(bssid->IEs + sizeof(struct NDIS_802_11_FIXED_IEs));
1750 ie_len = min(bssid_len - (int)sizeof(*bssid),
1751 (int)le32_to_cpu(bssid->IELength));
1752 ie_len -= sizeof(struct NDIS_802_11_FIXED_IEs);
1753 while (ie_len >= sizeof(*ie) && sizeof(*ie) + ie->len <= ie_len) {
1754 if ((ie->id == MFIE_TYPE_GENERIC && ie->len >= 4 &&
1755 memcmp(ie->data, "\x00\x50\xf2\x01", 4) == 0) ||
1756 ie->id == MFIE_TYPE_RSN) {
1757 devdbg(usbdev, "IE: WPA%d",
1758 (ie->id == MFIE_TYPE_RSN) ? 2 : 1);
1759 iwe.cmd = IWEVGENIE;
1760 iwe.u.data.length = min(ie->len + 2, MAX_WPA_IE_LEN);
1761 cev = iwe_stream_add_point(cev, end_buf, &iwe,
1762 (u8 *)ie);
1763 }
1764
1765 ie_len -= sizeof(*ie) + ie->len;
1766 ie = (struct ieee80211_info_element *)&ie->data[ie->len];
1767 }
1768
1769 return cev;
1770 }
1771
1772
1773 static int rndis_iw_get_scan(struct net_device *dev,
1774 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1775 {
1776 struct usbnet *usbdev = dev->priv;
1777 void *buf = NULL;
1778 char *cev = extra;
1779 struct NDIS_802_11_BSSID_LIST_EX *bssid_list;
1780 struct NDIS_WLAN_BSSID_EX *bssid;
1781 int ret = -EINVAL, len, count, bssid_len;
1782
1783 devdbg(usbdev, "SIOCGIWSCAN");
1784
1785 len = CONTROL_BUFFER_SIZE;
1786 buf = kmalloc(len, GFP_KERNEL);
1787 if (!buf) {
1788 ret = -ENOMEM;
1789 goto out;
1790 }
1791
1792 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1793
1794 if (ret != 0)
1795 goto out;
1796
1797 bssid_list = buf;
1798 bssid = bssid_list->Bssid;
1799 bssid_len = le32_to_cpu(bssid->Length);
1800 count = le32_to_cpu(bssid_list->NumberOfItems);
1801 devdbg(usbdev, "SIOCGIWSCAN: %d BSSIDs found", count);
1802
1803 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1804 cev = rndis_translate_scan(dev, cev, extra + IW_SCAN_MAX_DATA,
1805 bssid);
1806 bssid = (void *)bssid + bssid_len;
1807 bssid_len = le32_to_cpu(bssid->Length);
1808 count--;
1809 }
1810
1811 out:
1812 wrqu->data.length = cev - extra;
1813 wrqu->data.flags = 0;
1814 kfree(buf);
1815 return ret;
1816 }
1817
1818
1819 static int rndis_iw_set_genie(struct net_device *dev,
1820 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1821 {
1822 struct usbnet *usbdev = dev->priv;
1823 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1824 int ret = 0;
1825
1826 #ifdef DEBUG
1827 int j;
1828 u8 *gie = extra;
1829 for (j = 0; j < wrqu->data.length; j += 8)
1830 devdbg(usbdev,
1831 "SIOCSIWGENIE %04x - "
1832 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
1833 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
1834 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
1835 #endif
1836 /* clear existing IEs */
1837 if (priv->wpa_ie_len) {
1838 kfree(priv->wpa_ie);
1839 priv->wpa_ie_len = 0;
1840 }
1841
1842 /* set new IEs */
1843 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
1844 if (priv->wpa_ie) {
1845 priv->wpa_ie_len = wrqu->data.length;
1846 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
1847 } else
1848 ret = -ENOMEM;
1849 return ret;
1850 }
1851
1852
1853 static int rndis_iw_get_genie(struct net_device *dev,
1854 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1855 {
1856 struct usbnet *usbdev = dev->priv;
1857 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1858
1859 devdbg(usbdev, "SIOCGIWGENIE");
1860
1861 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
1862 wrqu->data.length = 0;
1863 return 0;
1864 }
1865
1866 if (wrqu->data.length < priv->wpa_ie_len)
1867 return -E2BIG;
1868
1869 wrqu->data.length = priv->wpa_ie_len;
1870 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
1871
1872 return 0;
1873 }
1874
1875
1876 static int rndis_iw_set_rts(struct net_device *dev,
1877 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1878 {
1879 struct usbnet *usbdev = dev->priv;
1880 __le32 tmp;
1881 devdbg(usbdev, "SIOCSIWRTS");
1882
1883 tmp = cpu_to_le32(wrqu->rts.value);
1884 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1885 sizeof(tmp));
1886 }
1887
1888
1889 static int rndis_iw_get_rts(struct net_device *dev,
1890 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1891 {
1892 struct usbnet *usbdev = dev->priv;
1893 __le32 tmp;
1894 int len, ret;
1895
1896 len = sizeof(tmp);
1897 ret = rndis_query_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, &len);
1898 if (ret == 0) {
1899 wrqu->rts.value = le32_to_cpu(tmp);
1900 wrqu->rts.flags = 1;
1901 wrqu->rts.disabled = 0;
1902 }
1903
1904 devdbg(usbdev, "SIOCGIWRTS: %d", wrqu->rts.value);
1905
1906 return ret;
1907 }
1908
1909
1910 static int rndis_iw_set_frag(struct net_device *dev,
1911 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1912 {
1913 struct usbnet *usbdev = dev->priv;
1914 __le32 tmp;
1915
1916 devdbg(usbdev, "SIOCSIWFRAG");
1917
1918 tmp = cpu_to_le32(wrqu->frag.value);
1919 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1920 sizeof(tmp));
1921 }
1922
1923
1924 static int rndis_iw_get_frag(struct net_device *dev,
1925 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1926 {
1927 struct usbnet *usbdev = dev->priv;
1928 __le32 tmp;
1929 int len, ret;
1930
1931 len = sizeof(tmp);
1932 ret = rndis_query_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1933 &len);
1934 if (ret == 0) {
1935 wrqu->frag.value = le32_to_cpu(tmp);
1936 wrqu->frag.flags = 1;
1937 wrqu->frag.disabled = 0;
1938 }
1939 devdbg(usbdev, "SIOCGIWFRAG: %d", wrqu->frag.value);
1940 return ret;
1941 }
1942
1943
1944 static int rndis_iw_set_nick(struct net_device *dev,
1945 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1946 {
1947 struct usbnet *usbdev = dev->priv;
1948 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1949
1950 devdbg(usbdev, "SIOCSIWNICK");
1951
1952 priv->nick_len = wrqu->data.length;
1953 if (priv->nick_len > 32)
1954 priv->nick_len = 32;
1955
1956 memcpy(priv->nick, extra, priv->nick_len);
1957 return 0;
1958 }
1959
1960
1961 static int rndis_iw_get_nick(struct net_device *dev,
1962 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1963 {
1964 struct usbnet *usbdev = dev->priv;
1965 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1966
1967 wrqu->data.flags = 1;
1968 wrqu->data.length = priv->nick_len;
1969 memcpy(extra, priv->nick, priv->nick_len);
1970
1971 devdbg(usbdev, "SIOCGIWNICK: '%s'", priv->nick);
1972
1973 return 0;
1974 }
1975
1976
1977 static int rndis_iw_set_freq(struct net_device *dev,
1978 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1979 {
1980 struct usbnet *usbdev = dev->priv;
1981 struct NDIS_802_11_CONFIGURATION config;
1982 unsigned int dsconfig;
1983 int len, ret;
1984
1985 /* this OID is valid only when not associated */
1986 if (is_associated(usbdev))
1987 return 0;
1988
1989 dsconfig = 0;
1990 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
1991 return -EINVAL;
1992
1993 len = sizeof(config);
1994 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1995 if (ret != 0) {
1996 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
1997 return 0;
1998 }
1999
2000 config.DSConfig = cpu_to_le32(dsconfig);
2001
2002 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
2003 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
2004 sizeof(config));
2005 }
2006
2007
2008 static int rndis_iw_get_freq(struct net_device *dev,
2009 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2010 {
2011 struct usbnet *usbdev = dev->priv;
2012 struct NDIS_802_11_CONFIGURATION config;
2013 int len, ret;
2014
2015 len = sizeof(config);
2016 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2017 if (ret == 0)
2018 dsconfig_to_freq(le32_to_cpu(config.DSConfig), &wrqu->freq);
2019
2020 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
2021 return ret;
2022 }
2023
2024
2025 static int rndis_iw_get_txpower(struct net_device *dev,
2026 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2027 {
2028 struct usbnet *usbdev = dev->priv;
2029 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2030 __le32 tx_power;
2031 int ret = 0, len;
2032
2033 if (priv->radio_on) {
2034 if (priv->caps & CAP_SUPPORT_TXPOWER) {
2035 len = sizeof(tx_power);
2036 ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
2037 &tx_power, &len);
2038 if (ret != 0)
2039 return ret;
2040 } else
2041 /* fake incase not supported */
2042 tx_power = cpu_to_le32(get_bcm4320_power(priv));
2043
2044 wrqu->txpower.flags = IW_TXPOW_MWATT;
2045 wrqu->txpower.value = le32_to_cpu(tx_power);
2046 wrqu->txpower.disabled = 0;
2047 } else {
2048 wrqu->txpower.flags = IW_TXPOW_MWATT;
2049 wrqu->txpower.value = 0;
2050 wrqu->txpower.disabled = 1;
2051 }
2052
2053 devdbg(usbdev, "SIOCGIWTXPOW: %d", wrqu->txpower.value);
2054
2055 return ret;
2056 }
2057
2058
2059 static int rndis_iw_set_txpower(struct net_device *dev,
2060 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2061 {
2062 struct usbnet *usbdev = dev->priv;
2063 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2064 __le32 tx_power = 0;
2065 int ret = 0;
2066
2067 if (!wrqu->txpower.disabled) {
2068 if (wrqu->txpower.flags == IW_TXPOW_MWATT)
2069 tx_power = cpu_to_le32(wrqu->txpower.value);
2070 else { /* wrqu->txpower.flags == IW_TXPOW_DBM */
2071 if (wrqu->txpower.value > 20)
2072 tx_power = cpu_to_le32(128);
2073 else if (wrqu->txpower.value < -43)
2074 tx_power = cpu_to_le32(127);
2075 else {
2076 signed char tmp;
2077 tmp = wrqu->txpower.value;
2078 tmp = -12 - tmp;
2079 tmp <<= 2;
2080 tx_power = cpu_to_le32((unsigned char)tmp);
2081 }
2082 }
2083 }
2084
2085 devdbg(usbdev, "SIOCSIWTXPOW: %d", le32_to_cpu(tx_power));
2086
2087 if (le32_to_cpu(tx_power) != 0) {
2088 if (priv->caps & CAP_SUPPORT_TXPOWER) {
2089 /* turn radio on first */
2090 if (!priv->radio_on)
2091 disassociate(usbdev, 1);
2092
2093 ret = rndis_set_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
2094 &tx_power, sizeof(tx_power));
2095 if (ret != 0)
2096 ret = -EOPNOTSUPP;
2097 return ret;
2098 } else {
2099 /* txpower unsupported, just turn radio on */
2100 if (!priv->radio_on)
2101 return disassociate(usbdev, 1);
2102 return 0; /* all ready on */
2103 }
2104 }
2105
2106 /* tx_power == 0, turn off radio */
2107 return disassociate(usbdev, 0);
2108 }
2109
2110
2111 static int rndis_iw_get_rate(struct net_device *dev,
2112 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2113 {
2114 struct usbnet *usbdev = dev->priv;
2115 __le32 tmp;
2116 int ret, len;
2117
2118 len = sizeof(tmp);
2119 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2120 if (ret == 0) {
2121 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2122 wrqu->bitrate.disabled = 0;
2123 wrqu->bitrate.flags = 1;
2124 }
2125 return ret;
2126 }
2127
2128
2129 static int rndis_iw_set_mlme(struct net_device *dev,
2130 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2131 {
2132 struct usbnet *usbdev = dev->priv;
2133 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2134 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2135 unsigned char bssid[ETH_ALEN];
2136
2137 get_bssid(usbdev, bssid);
2138
2139 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2140 return -EINVAL;
2141
2142 switch (mlme->cmd) {
2143 case IW_MLME_DEAUTH:
2144 return deauthenticate(usbdev);
2145 case IW_MLME_DISASSOC:
2146 return disassociate(usbdev, priv->radio_on);
2147 default:
2148 return -EOPNOTSUPP;
2149 }
2150
2151 return 0;
2152 }
2153
2154
2155 static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2156 {
2157 struct usbnet *usbdev = dev->priv;
2158 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2159 unsigned long flags;
2160
2161 spin_lock_irqsave(&priv->stats_lock, flags);
2162 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2163 spin_unlock_irqrestore(&priv->stats_lock, flags);
2164
2165 return &priv->iwstats;
2166 }
2167
2168
2169 #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2170 static const iw_handler rndis_iw_handler[] =
2171 {
2172 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
2173 IW_IOCTL(SIOCGIWNAME) = rndis_iw_get_name,
2174 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2175 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
2176 IW_IOCTL(SIOCSIWMODE) = rndis_iw_set_mode,
2177 IW_IOCTL(SIOCGIWMODE) = rndis_iw_get_mode,
2178 IW_IOCTL(SIOCGIWRANGE) = rndis_iw_get_range,
2179 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2180 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
2181 IW_IOCTL(SIOCSIWSCAN) = rndis_iw_set_scan,
2182 IW_IOCTL(SIOCGIWSCAN) = rndis_iw_get_scan,
2183 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2184 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
2185 IW_IOCTL(SIOCSIWNICKN) = rndis_iw_set_nick,
2186 IW_IOCTL(SIOCGIWNICKN) = rndis_iw_get_nick,
2187 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2188 IW_IOCTL(SIOCSIWRTS) = rndis_iw_set_rts,
2189 IW_IOCTL(SIOCGIWRTS) = rndis_iw_get_rts,
2190 IW_IOCTL(SIOCSIWFRAG) = rndis_iw_set_frag,
2191 IW_IOCTL(SIOCGIWFRAG) = rndis_iw_get_frag,
2192 IW_IOCTL(SIOCSIWTXPOW) = rndis_iw_set_txpower,
2193 IW_IOCTL(SIOCGIWTXPOW) = rndis_iw_get_txpower,
2194 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2195 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2196 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2197 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2198 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2199 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2200 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2201 };
2202
2203 static const iw_handler rndis_wext_private_handler[] = {
2204 };
2205
2206 static const struct iw_priv_args rndis_wext_private_args[] = {
2207 };
2208
2209
2210 static const struct iw_handler_def rndis_iw_handlers = {
2211 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2212 .num_private = ARRAY_SIZE(rndis_wext_private_handler),
2213 .num_private_args = ARRAY_SIZE(rndis_wext_private_args),
2214 .standard = (iw_handler *)rndis_iw_handler,
2215 .private = (iw_handler *)rndis_wext_private_handler,
2216 .private_args = (struct iw_priv_args *)rndis_wext_private_args,
2217 .get_wireless_stats = rndis_get_wireless_stats,
2218 };
2219
2220
2221 static void rndis_wext_worker(struct work_struct *work)
2222 {
2223 struct rndis_wext_private *priv =
2224 container_of(work, struct rndis_wext_private, work);
2225 struct usbnet *usbdev = priv->usbdev;
2226 union iwreq_data evt;
2227 unsigned char bssid[ETH_ALEN];
2228 int ret;
2229
2230 if (test_and_clear_bit(WORK_CONNECTION_EVENT, &priv->work_pending)) {
2231 ret = get_bssid(usbdev, bssid);
2232
2233 if (!ret) {
2234 evt.data.flags = 0;
2235 evt.data.length = 0;
2236 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2237 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2238 }
2239 }
2240
2241 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2242 set_multicast_list(usbdev);
2243 }
2244
2245 static void rndis_wext_set_multicast_list(struct net_device *dev)
2246 {
2247 struct usbnet *usbdev = dev->priv;
2248 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2249
2250 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2251 queue_work(priv->workqueue, &priv->work);
2252 }
2253
2254 static void rndis_wext_link_change(struct usbnet *dev, int state)
2255 {
2256 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
2257 union iwreq_data evt;
2258
2259 if (state) {
2260 /* queue work to avoid recursive calls into rndis_command */
2261 set_bit(WORK_CONNECTION_EVENT, &priv->work_pending);
2262 queue_work(priv->workqueue, &priv->work);
2263 } else {
2264 evt.data.flags = 0;
2265 evt.data.length = 0;
2266 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2267 wireless_send_event(dev->net, SIOCGIWAP, &evt, NULL);
2268 }
2269 }
2270
2271
2272 static int rndis_wext_get_caps(struct usbnet *dev)
2273 {
2274 struct {
2275 __le32 num_items;
2276 __le32 items[8];
2277 } networks_supported;
2278 int len, retval, i, n;
2279 __le32 tx_power;
2280 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
2281
2282 /* determine if supports setting txpower */
2283 len = sizeof(tx_power);
2284 retval = rndis_query_oid(dev, OID_802_11_TX_POWER_LEVEL, &tx_power,
2285 &len);
2286 if (retval == 0 && le32_to_cpu(tx_power) != 0xFF)
2287 priv->caps |= CAP_SUPPORT_TXPOWER;
2288
2289 /* determine supported modes */
2290 len = sizeof(networks_supported);
2291 retval = rndis_query_oid(dev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2292 &networks_supported, &len);
2293 if (retval >= 0) {
2294 n = le32_to_cpu(networks_supported.num_items);
2295 if (n > 8)
2296 n = 8;
2297 for (i = 0; i < n; i++) {
2298 switch (le32_to_cpu(networks_supported.items[i])) {
2299 case Ndis802_11FH:
2300 case Ndis802_11DS:
2301 priv->caps |= CAP_MODE_80211B;
2302 break;
2303 case Ndis802_11OFDM5:
2304 priv->caps |= CAP_MODE_80211A;
2305 break;
2306 case Ndis802_11OFDM24:
2307 priv->caps |= CAP_MODE_80211G;
2308 break;
2309 }
2310 }
2311 if (priv->caps & CAP_MODE_80211A)
2312 strcat(priv->name, "a");
2313 if (priv->caps & CAP_MODE_80211B)
2314 strcat(priv->name, "b");
2315 if (priv->caps & CAP_MODE_80211G)
2316 strcat(priv->name, "g");
2317 }
2318
2319 return retval;
2320 }
2321
2322
2323 #define STATS_UPDATE_JIFFIES (HZ)
2324 static void rndis_update_wireless_stats(struct work_struct *work)
2325 {
2326 struct rndis_wext_private *priv =
2327 container_of(work, struct rndis_wext_private, stats_work.work);
2328 struct usbnet *usbdev = priv->usbdev;
2329 struct iw_statistics iwstats;
2330 __le32 rssi, tmp;
2331 <<<<<<< HEAD:drivers/net/wireless/rndis_wlan.c
2332 int len, ret, bitrate, j;
2333 =======
2334 int len, ret, j;
2335 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/net/wireless/rndis_wlan.c
2336 unsigned long flags;
2337 int update_jiffies = STATS_UPDATE_JIFFIES;
2338 void *buf;
2339
2340 spin_lock_irqsave(&priv->stats_lock, flags);
2341 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2342 spin_unlock_irqrestore(&priv->stats_lock, flags);
2343
2344 /* only update stats when connected */
2345 if (!is_associated(usbdev)) {
2346 iwstats.qual.qual = 0;
2347 iwstats.qual.level = 0;
2348 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2349 | IW_QUAL_LEVEL_UPDATED
2350 | IW_QUAL_NOISE_INVALID
2351 | IW_QUAL_QUAL_INVALID
2352 | IW_QUAL_LEVEL_INVALID;
2353 goto end;
2354 }
2355
2356 len = sizeof(rssi);
2357 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2358
2359 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2360 le32_to_cpu(rssi));
2361 if (ret == 0) {
2362 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2363 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
2364 iwstats.qual.level = le32_to_cpu(rssi);
2365 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2366 | IW_QUAL_LEVEL_UPDATED
2367 | IW_QUAL_NOISE_INVALID;
2368 }
2369
2370 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2371
2372 len = sizeof(tmp);
2373 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2374 if (ret == 0)
2375 iwstats.discard.misc += le32_to_cpu(tmp);
2376
2377 len = sizeof(tmp);
2378 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2379 if (ret == 0)
2380 iwstats.discard.misc += le32_to_cpu(tmp);
2381
2382 len = sizeof(tmp);
2383 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2384 if (ret == 0)
2385 iwstats.discard.misc += le32_to_cpu(tmp);
2386
2387 <<<<<<< HEAD:drivers/net/wireless/rndis_wlan.c
2388 /* Workaround transfer stalls on poor quality links. */
2389 len = sizeof(tmp);
2390 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2391 if (ret == 0) {
2392 bitrate = le32_to_cpu(tmp) * 100;
2393 if (bitrate > 11000000)
2394 goto end;
2395
2396 =======
2397 /* Workaround transfer stalls on poor quality links.
2398 * TODO: find right way to fix these stalls (as stalls do not happen
2399 * with ndiswrapper/windows driver). */
2400 if (iwstats.qual.qual <= 25) {
2401 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/net/wireless/rndis_wlan.c
2402 /* Decrease stats worker interval to catch stalls.
2403 * faster. Faster than 400-500ms causes packet loss,
2404 * Slower doesn't catch stalls fast enough.
2405 */
2406 j = msecs_to_jiffies(priv->param_workaround_interval);
2407 if (j > STATS_UPDATE_JIFFIES)
2408 j = STATS_UPDATE_JIFFIES;
2409 else if (j <= 0)
2410 j = 1;
2411 update_jiffies = j;
2412
2413 /* Send scan OID. Use of both OIDs is required to get device
2414 * working.
2415 */
2416 tmp = ccpu2(1);
2417 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2418 sizeof(tmp));
2419
2420 len = CONTROL_BUFFER_SIZE;
2421 buf = kmalloc(len, GFP_KERNEL);
2422 if (!buf)
2423 goto end;
2424
2425 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2426 kfree(buf);
2427 }
2428 end:
2429 spin_lock_irqsave(&priv->stats_lock, flags);
2430 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2431 spin_unlock_irqrestore(&priv->stats_lock, flags);
2432
2433 if (update_jiffies >= HZ)
2434 update_jiffies = round_jiffies_relative(update_jiffies);
2435 else {
2436 j = round_jiffies_relative(update_jiffies);
2437 if (abs(j - update_jiffies) <= 10)
2438 update_jiffies = j;
2439 }
2440
2441 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2442 }
2443
2444
2445 static int bcm4320_early_init(struct usbnet *dev)
2446 {
2447 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
2448 char buf[8];
2449
2450 /* Early initialization settings, setting these won't have effect
2451 * if called after generic_rndis_bind().
2452 */
2453
2454 priv->param_country[0] = modparam_country[0];
2455 priv->param_country[1] = modparam_country[1];
2456 priv->param_country[2] = 0;
2457 priv->param_frameburst = modparam_frameburst;
2458 priv->param_afterburner = modparam_afterburner;
2459 priv->param_power_save = modparam_power_save;
2460 priv->param_power_output = modparam_power_output;
2461 priv->param_roamtrigger = modparam_roamtrigger;
2462 priv->param_roamdelta = modparam_roamdelta;
2463 priv->param_workaround_interval = modparam_workaround_interval;
2464
2465 priv->param_country[0] = toupper(priv->param_country[0]);
2466 priv->param_country[1] = toupper(priv->param_country[1]);
2467 /* doesn't support EU as country code, use FI instead */
2468 if (!strcmp(priv->param_country, "EU"))
2469 strcpy(priv->param_country, "FI");
2470
2471 if (priv->param_power_save < 0)
2472 priv->param_power_save = 0;
2473 else if (priv->param_power_save > 2)
2474 priv->param_power_save = 2;
2475
2476 if (priv->param_roamtrigger < -80)
2477 priv->param_roamtrigger = -80;
2478 else if (priv->param_roamtrigger > -60)
2479 priv->param_roamtrigger = -60;
2480
2481 if (priv->param_roamdelta < 0)
2482 priv->param_roamdelta = 0;
2483 else if (priv->param_roamdelta > 2)
2484 priv->param_roamdelta = 2;
2485
2486 if (priv->param_workaround_interval < 0)
2487 priv->param_workaround_interval = 500;
2488
2489 rndis_set_config_parameter_str(dev, "Country", priv->param_country);
2490 rndis_set_config_parameter_str(dev, "FrameBursting",
2491 priv->param_frameburst ? "1" : "0");
2492 rndis_set_config_parameter_str(dev, "Afterburner",
2493 priv->param_afterburner ? "1" : "0");
2494 sprintf(buf, "%d", priv->param_power_save);
2495 rndis_set_config_parameter_str(dev, "PowerSaveMode", buf);
2496 sprintf(buf, "%d", priv->param_power_output);
2497 rndis_set_config_parameter_str(dev, "PwrOut", buf);
2498 sprintf(buf, "%d", priv->param_roamtrigger);
2499 rndis_set_config_parameter_str(dev, "RoamTrigger", buf);
2500 sprintf(buf, "%d", priv->param_roamdelta);
2501 rndis_set_config_parameter_str(dev, "RoamDelta", buf);
2502
2503 return 0;
2504 }
2505
2506
2507 static int rndis_wext_bind(struct usbnet *dev, struct usb_interface *intf)
2508 {
2509 struct net_device *net = dev->net;
2510 struct rndis_wext_private *priv;
2511 int retval, len;
2512 __le32 tmp;
2513
2514 /* allocate rndis private data */
2515 priv = kmalloc(sizeof(struct rndis_wext_private), GFP_KERNEL);
2516 if (!priv)
2517 return -ENOMEM;
2518
2519 /* These have to be initialized before calling generic_rndis_bind().
2520 * Otherwise we'll be in big trouble in rndis_wext_early_init().
2521 */
2522 dev->driver_priv = priv;
2523 memset(priv, 0, sizeof(*priv));
2524 memset(priv->name, 0, sizeof(priv->name));
2525 strcpy(priv->name, "IEEE802.11");
2526 net->wireless_handlers = &rndis_iw_handlers;
2527 priv->usbdev = dev;
2528
2529 mutex_init(&priv->command_lock);
2530 spin_lock_init(&priv->stats_lock);
2531
2532 /* try bind rndis_host */
2533 retval = generic_rndis_bind(dev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2534 if (retval < 0)
2535 goto fail;
2536
2537 /* generic_rndis_bind set packet filter to multicast_all+
2538 * promisc mode which doesn't work well for our devices (device
2539 * picks up rssi to closest station instead of to access point).
2540 *
2541 * rndis_host wants to avoid all OID as much as possible
2542 * so do promisc/multicast handling in rndis_wext.
2543 */
2544 dev->net->set_multicast_list = rndis_wext_set_multicast_list;
2545 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2546 retval = rndis_set_oid(dev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2547 sizeof(tmp));
2548
2549 len = sizeof(tmp);
2550 retval = rndis_query_oid(dev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, &len);
2551 priv->multicast_size = le32_to_cpu(tmp);
2552 if (retval < 0 || priv->multicast_size < 0)
2553 priv->multicast_size = 0;
2554 if (priv->multicast_size > 0)
2555 dev->net->flags |= IFF_MULTICAST;
2556 else
2557 dev->net->flags &= ~IFF_MULTICAST;
2558
2559 priv->iwstats.qual.qual = 0;
2560 priv->iwstats.qual.level = 0;
2561 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2562 | IW_QUAL_LEVEL_UPDATED
2563 | IW_QUAL_NOISE_INVALID
2564 | IW_QUAL_QUAL_INVALID
2565 | IW_QUAL_LEVEL_INVALID;
2566
2567 rndis_wext_get_caps(dev);
2568 set_default_iw_params(dev);
2569
2570 /* turn radio on */
2571 priv->radio_on = 1;
2572 disassociate(dev, 1);
2573
2574 /* because rndis_command() sleeps we need to use workqueue */
2575 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2576 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2577 queue_delayed_work(priv->workqueue, &priv->stats_work,
2578 round_jiffies_relative(STATS_UPDATE_JIFFIES));
2579 INIT_WORK(&priv->work, rndis_wext_worker);
2580
2581 return 0;
2582
2583 fail:
2584 kfree(priv);
2585 return retval;
2586 }
2587
2588
2589 static void rndis_wext_unbind(struct usbnet *dev, struct usb_interface *intf)
2590 {
2591 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
2592
2593 /* turn radio off */
2594 disassociate(dev, 0);
2595
2596 cancel_delayed_work_sync(&priv->stats_work);
2597 cancel_work_sync(&priv->work);
2598 flush_workqueue(priv->workqueue);
2599 destroy_workqueue(priv->workqueue);
2600
2601 if (priv && priv->wpa_ie_len)
2602 kfree(priv->wpa_ie);
2603 kfree(priv);
2604
2605 rndis_unbind(dev, intf);
2606 }
2607
2608
2609 static int rndis_wext_reset(struct usbnet *dev)
2610 {
2611 return deauthenticate(dev);
2612 }
2613
2614
2615 static const struct driver_info bcm4320b_info = {
2616 .description = "Wireless RNDIS device, BCM4320b based",
2617 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2618 .bind = rndis_wext_bind,
2619 .unbind = rndis_wext_unbind,
2620 .status = rndis_status,
2621 .rx_fixup = rndis_rx_fixup,
2622 .tx_fixup = rndis_tx_fixup,
2623 .reset = rndis_wext_reset,
2624 .early_init = bcm4320_early_init,
2625 .link_change = rndis_wext_link_change,
2626 };
2627
2628 static const struct driver_info bcm4320a_info = {
2629 .description = "Wireless RNDIS device, BCM4320a based",
2630 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2631 .bind = rndis_wext_bind,
2632 .unbind = rndis_wext_unbind,
2633 .status = rndis_status,
2634 .rx_fixup = rndis_rx_fixup,
2635 .tx_fixup = rndis_tx_fixup,
2636 .reset = rndis_wext_reset,
2637 .early_init = bcm4320_early_init,
2638 .link_change = rndis_wext_link_change,
2639 };
2640
2641 static const struct driver_info rndis_wext_info = {
2642 .description = "Wireless RNDIS device",
2643 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2644 .bind = rndis_wext_bind,
2645 .unbind = rndis_wext_unbind,
2646 .status = rndis_status,
2647 .rx_fixup = rndis_rx_fixup,
2648 .tx_fixup = rndis_tx_fixup,
2649 .reset = rndis_wext_reset,
2650 .early_init = bcm4320_early_init,
2651 .link_change = rndis_wext_link_change,
2652 };
2653
2654 /*-------------------------------------------------------------------------*/
2655
2656 static const struct usb_device_id products [] = {
2657 #define RNDIS_MASTER_INTERFACE \
2658 .bInterfaceClass = USB_CLASS_COMM, \
2659 .bInterfaceSubClass = 2 /* ACM */, \
2660 .bInterfaceProtocol = 0x0ff
2661
2662 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2663 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2664 */
2665 {
2666 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2667 | USB_DEVICE_ID_MATCH_DEVICE,
2668 .idVendor = 0x0411,
2669 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2670 RNDIS_MASTER_INTERFACE,
2671 .driver_info = (unsigned long) &bcm4320b_info,
2672 }, {
2673 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2674 | USB_DEVICE_ID_MATCH_DEVICE,
2675 .idVendor = 0x0baf,
2676 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2677 RNDIS_MASTER_INTERFACE,
2678 .driver_info = (unsigned long) &bcm4320b_info,
2679 }, {
2680 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2681 | USB_DEVICE_ID_MATCH_DEVICE,
2682 .idVendor = 0x050d,
2683 .idProduct = 0x011b, /* Belkin F5D7051 */
2684 RNDIS_MASTER_INTERFACE,
2685 .driver_info = (unsigned long) &bcm4320b_info,
2686 }, {
2687 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2688 | USB_DEVICE_ID_MATCH_DEVICE,
2689 .idVendor = 0x1799, /* Belkin has two vendor ids */
2690 .idProduct = 0x011b, /* Belkin F5D7051 */
2691 RNDIS_MASTER_INTERFACE,
2692 .driver_info = (unsigned long) &bcm4320b_info,
2693 }, {
2694 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2695 | USB_DEVICE_ID_MATCH_DEVICE,
2696 .idVendor = 0x13b1,
2697 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2698 RNDIS_MASTER_INTERFACE,
2699 .driver_info = (unsigned long) &bcm4320b_info,
2700 }, {
2701 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2702 | USB_DEVICE_ID_MATCH_DEVICE,
2703 .idVendor = 0x13b1,
2704 .idProduct = 0x0026, /* Linksys WUSB54GSC */
2705 RNDIS_MASTER_INTERFACE,
2706 .driver_info = (unsigned long) &bcm4320b_info,
2707 }, {
2708 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2709 | USB_DEVICE_ID_MATCH_DEVICE,
2710 .idVendor = 0x0b05,
2711 .idProduct = 0x1717, /* Asus WL169gE */
2712 RNDIS_MASTER_INTERFACE,
2713 .driver_info = (unsigned long) &bcm4320b_info,
2714 }, {
2715 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2716 | USB_DEVICE_ID_MATCH_DEVICE,
2717 .idVendor = 0x0a5c,
2718 .idProduct = 0xd11b, /* Eminent EM4045 */
2719 RNDIS_MASTER_INTERFACE,
2720 .driver_info = (unsigned long) &bcm4320b_info,
2721 }, {
2722 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2723 | USB_DEVICE_ID_MATCH_DEVICE,
2724 .idVendor = 0x1690,
2725 .idProduct = 0x0715, /* BT Voyager 1055 */
2726 RNDIS_MASTER_INTERFACE,
2727 .driver_info = (unsigned long) &bcm4320b_info,
2728 },
2729 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
2730 * parameters available, hardware probably contain older firmware version with
2731 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
2732 */
2733 {
2734 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2735 | USB_DEVICE_ID_MATCH_DEVICE,
2736 .idVendor = 0x13b1,
2737 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
2738 RNDIS_MASTER_INTERFACE,
2739 .driver_info = (unsigned long) &bcm4320a_info,
2740 }, {
2741 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2742 | USB_DEVICE_ID_MATCH_DEVICE,
2743 .idVendor = 0x0baf,
2744 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
2745 RNDIS_MASTER_INTERFACE,
2746 .driver_info = (unsigned long) &bcm4320a_info,
2747 }, {
2748 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2749 | USB_DEVICE_ID_MATCH_DEVICE,
2750 .idVendor = 0x0411,
2751 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
2752 RNDIS_MASTER_INTERFACE,
2753 .driver_info = (unsigned long) &bcm4320a_info,
2754 },
2755 /* Generic Wireless RNDIS devices that we don't have exact
2756 * idVendor/idProduct/chip yet.
2757 */
2758 {
2759 /* RNDIS is MSFT's un-official variant of CDC ACM */
2760 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
2761 .driver_info = (unsigned long) &rndis_wext_info,
2762 }, {
2763 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
2764 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
2765 .driver_info = (unsigned long) &rndis_wext_info,
2766 },
2767 { }, // END
2768 };
2769 MODULE_DEVICE_TABLE(usb, products);
2770
2771 static struct usb_driver rndis_wlan_driver = {
2772 .name = "rndis_wlan",
2773 .id_table = products,
2774 .probe = usbnet_probe,
2775 .disconnect = usbnet_disconnect,
2776 .suspend = usbnet_suspend,
2777 .resume = usbnet_resume,
2778 };
2779
2780 static int __init rndis_wlan_init(void)
2781 {
2782 return usb_register(&rndis_wlan_driver);
2783 }
2784 module_init(rndis_wlan_init);
2785
2786 static void __exit rndis_wlan_exit(void)
2787 {
2788 usb_deregister(&rndis_wlan_driver);
2789 }
2790 module_exit(rndis_wlan_exit);
2791
2792 MODULE_AUTHOR("Bjorge Dijkstra");
2793 MODULE_AUTHOR("Jussi Kivilinna");
2794 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
2795 MODULE_LICENSE("GPL");
2796
WRT350N Kernel Patches