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rndis_wlan: convert get range to cfg80211
[linux-2.6/verdex.git] / drivers / net / wireless / rndis_wlan.c
blob4252903cf89a47cf10468dc55c41e0d6c9c192e3
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/ieee80211.h>
41 #include <linux/if_arp.h>
42 #include <linux/ctype.h>
43 #include <linux/spinlock.h>
44 #include <net/iw_handler.h>
45 #include <net/wireless.h>
46 #include <net/cfg80211.h>
47 #include <linux/usb/usbnet.h>
48 #include <linux/usb/rndis_host.h>
49
50
51 /* NOTE: All these are settings for Broadcom chipset */
52 static char modparam_country[4] = "EU";
53 module_param_string(country, modparam_country, 4, 0444);
54 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
55
56 static int modparam_frameburst = 1;
57 module_param_named(frameburst, modparam_frameburst, int, 0444);
58 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
59
60 static int modparam_afterburner = 0;
61 module_param_named(afterburner, modparam_afterburner, int, 0444);
62 MODULE_PARM_DESC(afterburner,
63 "enable afterburner aka '125 High Speed Mode' (default: off)");
64
65 static int modparam_power_save = 0;
66 module_param_named(power_save, modparam_power_save, int, 0444);
67 MODULE_PARM_DESC(power_save,
68 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
69
70 static int modparam_power_output = 3;
71 module_param_named(power_output, modparam_power_output, int, 0444);
72 MODULE_PARM_DESC(power_output,
73 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
74
75 static int modparam_roamtrigger = -70;
76 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
77 MODULE_PARM_DESC(roamtrigger,
78 "set roaming dBm trigger: -80=optimize for distance, "
79 "-60=bandwidth (default: -70)");
80
81 static int modparam_roamdelta = 1;
82 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
83 MODULE_PARM_DESC(roamdelta,
84 "set roaming tendency: 0=aggressive, 1=moderate, "
85 "2=conservative (default: moderate)");
86
87 static int modparam_workaround_interval = 500;
88 module_param_named(workaround_interval, modparam_workaround_interval,
89 int, 0444);
90 MODULE_PARM_DESC(workaround_interval,
91 "set stall workaround interval in msecs (default: 500)");
92
93
94 /* various RNDIS OID defs */
95 #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
96 #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
97
98 #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
99 #define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
100 #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
101 #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
102 #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
103
104 #define OID_802_3_PERMANENT_ADDRESS cpu_to_le32(0x01010101)
105 #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
106 #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
107 #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
108
109 #define OID_802_11_BSSID cpu_to_le32(0x0d010101)
110 #define OID_802_11_SSID cpu_to_le32(0x0d010102)
111 #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
112 #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
113 #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
114 #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
115 #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
116 #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
117 #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
118 #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
119 #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
120 #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
121 #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
122 #define OID_802_11_PMKID cpu_to_le32(0x0d010123)
123 #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
124 #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
125 #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
126 #define OID_802_11_RSSI cpu_to_le32(0x0d010206)
127 #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
128 #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
129 #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
130 #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
131 #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
132 #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
133
134
135 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
136 #define WL_NOISE -96 /* typical noise level in dBm */
137 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
138
139
140 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
141 * based on wireless rndis) has default txpower of 13dBm.
142 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
143 * 13dBm == 19.9mW
144 */
145 #define BCM4320_DEFAULT_TXPOWER 20
146
147
148 /* codes for "status" field of completion messages */
149 #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
150 #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
151
152
153 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
154 * slightly modified for datatype endianess, etc
155 */
156 #define NDIS_802_11_LENGTH_SSID 32
157 #define NDIS_802_11_LENGTH_RATES 8
158 #define NDIS_802_11_LENGTH_RATES_EX 16
159
160 enum ndis_80211_net_type {
161 ndis_80211_type_freq_hop,
162 ndis_80211_type_direct_seq,
163 ndis_80211_type_ofdm_a,
164 ndis_80211_type_ofdm_g
165 };
166
167 enum ndis_80211_net_infra {
168 ndis_80211_infra_adhoc,
169 ndis_80211_infra_infra,
170 ndis_80211_infra_auto_unknown
171 };
172
173 enum ndis_80211_auth_mode {
174 ndis_80211_auth_open,
175 ndis_80211_auth_shared,
176 ndis_80211_auth_auto_switch,
177 ndis_80211_auth_wpa,
178 ndis_80211_auth_wpa_psk,
179 ndis_80211_auth_wpa_none,
180 ndis_80211_auth_wpa2,
181 ndis_80211_auth_wpa2_psk
182 };
183
184 enum ndis_80211_encr_status {
185 ndis_80211_encr_wep_enabled,
186 ndis_80211_encr_disabled,
187 ndis_80211_encr_wep_key_absent,
188 ndis_80211_encr_not_supported,
189 ndis_80211_encr_tkip_enabled,
190 ndis_80211_encr_tkip_key_absent,
191 ndis_80211_encr_ccmp_enabled,
192 ndis_80211_encr_ccmp_key_absent
193 };
194
195 enum ndis_80211_priv_filter {
196 ndis_80211_priv_accept_all,
197 ndis_80211_priv_8021x_wep
198 };
199
200 struct ndis_80211_ssid {
201 __le32 length;
202 u8 essid[NDIS_802_11_LENGTH_SSID];
203 } __attribute__((packed));
204
205 struct ndis_80211_conf_freq_hop {
206 __le32 length;
207 __le32 hop_pattern;
208 __le32 hop_set;
209 __le32 dwell_time;
210 } __attribute__((packed));
211
212 struct ndis_80211_conf {
213 __le32 length;
214 __le32 beacon_period;
215 __le32 atim_window;
216 __le32 ds_config;
217 struct ndis_80211_conf_freq_hop fh_config;
218 } __attribute__((packed));
219
220 struct ndis_80211_bssid_ex {
221 __le32 length;
222 u8 mac[6];
223 u8 padding[2];
224 struct ndis_80211_ssid ssid;
225 __le32 privacy;
226 __le32 rssi;
227 __le32 net_type;
228 struct ndis_80211_conf config;
229 __le32 net_infra;
230 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
231 __le32 ie_length;
232 u8 ies[0];
233 } __attribute__((packed));
234
235 struct ndis_80211_bssid_list_ex {
236 __le32 num_items;
237 struct ndis_80211_bssid_ex bssid[0];
238 } __attribute__((packed));
239
240 struct ndis_80211_fixed_ies {
241 u8 timestamp[8];
242 __le16 beacon_interval;
243 __le16 capabilities;
244 } __attribute__((packed));
245
246 struct ndis_80211_wep_key {
247 __le32 size;
248 __le32 index;
249 __le32 length;
250 u8 material[32];
251 } __attribute__((packed));
252
253 struct ndis_80211_key {
254 __le32 size;
255 __le32 index;
256 __le32 length;
257 u8 bssid[6];
258 u8 padding[6];
259 u8 rsc[8];
260 u8 material[32];
261 } __attribute__((packed));
262
263 struct ndis_80211_remove_key {
264 __le32 size;
265 __le32 index;
266 u8 bssid[6];
267 } __attribute__((packed));
268
269 struct ndis_config_param {
270 __le32 name_offs;
271 __le32 name_length;
272 __le32 type;
273 __le32 value_offs;
274 __le32 value_length;
275 } __attribute__((packed));
276
277 struct ndis_80211_assoc_info {
278 __le32 length;
279 __le16 req_ies;
280 struct req_ie {
281 __le16 capa;
282 __le16 listen_interval;
283 u8 cur_ap_address[6];
284 } req_ie;
285 __le32 req_ie_length;
286 __le32 offset_req_ies;
287 __le16 resp_ies;
288 struct resp_ie {
289 __le16 capa;
290 __le16 status_code;
291 __le16 assoc_id;
292 } resp_ie;
293 __le32 resp_ie_length;
294 __le32 offset_resp_ies;
295 } __attribute__((packed));
296
297 /* these have to match what is in wpa_supplicant */
298 enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
299 enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
300 CIPHER_WEP104 };
301 enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
302 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
303
304 /*
305 * private data
306 */
307 #define NET_TYPE_11FB 0
308
309 #define CAP_MODE_80211A 1
310 #define CAP_MODE_80211B 2
311 #define CAP_MODE_80211G 4
312 #define CAP_MODE_MASK 7
313 #define CAP_SUPPORT_TXPOWER 8
314
315 #define WORK_LINK_UP (1<<0)
316 #define WORK_LINK_DOWN (1<<1)
317 #define WORK_SET_MULTICAST_LIST (1<<2)
318
319 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
320
321 static const struct ieee80211_channel rndis_channels[] = {
322 { .center_freq = 2412 },
323 { .center_freq = 2417 },
324 { .center_freq = 2422 },
325 { .center_freq = 2427 },
326 { .center_freq = 2432 },
327 { .center_freq = 2437 },
328 { .center_freq = 2442 },
329 { .center_freq = 2447 },
330 { .center_freq = 2452 },
331 { .center_freq = 2457 },
332 { .center_freq = 2462 },
333 { .center_freq = 2467 },
334 { .center_freq = 2472 },
335 { .center_freq = 2484 },
336 };
337
338 static const struct ieee80211_rate rndis_rates[] = {
339 { .bitrate = 10 },
340 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
341 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
342 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
343 { .bitrate = 60 },
344 { .bitrate = 90 },
345 { .bitrate = 120 },
346 { .bitrate = 180 },
347 { .bitrate = 240 },
348 { .bitrate = 360 },
349 { .bitrate = 480 },
350 { .bitrate = 540 }
351 };
352
353 /* RNDIS device private data */
354 struct rndis_wext_private {
355 struct usbnet *usbdev;
356
357 struct wireless_dev wdev;
358
359 struct workqueue_struct *workqueue;
360 struct delayed_work stats_work;
361 struct work_struct work;
362 struct mutex command_lock;
363 spinlock_t stats_lock;
364 unsigned long work_pending;
365
366 struct ieee80211_supported_band band;
367 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
368 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
369
370 struct iw_statistics iwstats;
371 struct iw_statistics privstats;
372
373 int nick_len;
374 char nick[32];
375
376 int caps;
377 int multicast_size;
378
379 /* module parameters */
380 char param_country[4];
381 int param_frameburst;
382 int param_afterburner;
383 int param_power_save;
384 int param_power_output;
385 int param_roamtrigger;
386 int param_roamdelta;
387 u32 param_workaround_interval;
388
389 /* hardware state */
390 int radio_on;
391 int infra_mode;
392 struct ndis_80211_ssid essid;
393
394 /* encryption stuff */
395 int encr_tx_key_index;
396 char encr_keys[4][32];
397 int encr_key_len[4];
398 int wpa_version;
399 int wpa_keymgmt;
400 int wpa_authalg;
401 int wpa_ie_len;
402 u8 *wpa_ie;
403 int wpa_cipher_pair;
404 int wpa_cipher_group;
405
406 u8 command_buffer[COMMAND_BUFFER_SIZE];
407 };
408
409 /*
410 * cfg80211 ops
411 */
412 static int rndis_change_virtual_intf(struct wiphy *wiphy, int ifindex,
413 enum nl80211_iftype type, u32 *flags,
414 struct vif_params *params);
415
416 struct cfg80211_ops rndis_config_ops = {
417 .change_virtual_intf = rndis_change_virtual_intf,
418 };
419
420 void *rndis_wiphy_privid = &rndis_wiphy_privid;
421
422 static const int bcm4320_power_output[4] = { 25, 50, 75, 100 };
423
424 static const unsigned char zero_bssid[ETH_ALEN] = {0,};
425 static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
426 0xff, 0xff, 0xff };
427
428
429 static struct rndis_wext_private *get_rndis_wext_priv(struct usbnet *dev)
430 {
431 return (struct rndis_wext_private *)dev->driver_priv;
432 }
433
434
435 static u32 get_bcm4320_power(struct rndis_wext_private *priv)
436 {
437 return BCM4320_DEFAULT_TXPOWER *
438 bcm4320_power_output[priv->param_power_output] / 100;
439 }
440
441
442 /* translate error code */
443 static int rndis_error_status(__le32 rndis_status)
444 {
445 int ret = -EINVAL;
446 switch (rndis_status) {
447 case RNDIS_STATUS_SUCCESS:
448 ret = 0;
449 break;
450 case RNDIS_STATUS_FAILURE:
451 case RNDIS_STATUS_INVALID_DATA:
452 ret = -EINVAL;
453 break;
454 case RNDIS_STATUS_NOT_SUPPORTED:
455 ret = -EOPNOTSUPP;
456 break;
457 case RNDIS_STATUS_ADAPTER_NOT_READY:
458 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
459 ret = -EBUSY;
460 break;
461 }
462 return ret;
463 }
464
465
466 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
467 {
468 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
469 union {
470 void *buf;
471 struct rndis_msg_hdr *header;
472 struct rndis_query *get;
473 struct rndis_query_c *get_c;
474 } u;
475 int ret, buflen;
476
477 buflen = *len + sizeof(*u.get);
478 if (buflen < CONTROL_BUFFER_SIZE)
479 buflen = CONTROL_BUFFER_SIZE;
480
481 if (buflen > COMMAND_BUFFER_SIZE) {
482 u.buf = kmalloc(buflen, GFP_KERNEL);
483 if (!u.buf)
484 return -ENOMEM;
485 } else {
486 u.buf = priv->command_buffer;
487 }
488
489 mutex_lock(&priv->command_lock);
490
491 memset(u.get, 0, sizeof *u.get);
492 u.get->msg_type = RNDIS_MSG_QUERY;
493 u.get->msg_len = cpu_to_le32(sizeof *u.get);
494 u.get->oid = oid;
495
496 ret = rndis_command(dev, u.header, buflen);
497 if (ret == 0) {
498 ret = le32_to_cpu(u.get_c->len);
499 *len = (*len > ret) ? ret : *len;
500 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
501 ret = rndis_error_status(u.get_c->status);
502 }
503
504 mutex_unlock(&priv->command_lock);
505
506 if (u.buf != priv->command_buffer)
507 kfree(u.buf);
508 return ret;
509 }
510
511
512 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
513 {
514 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
515 union {
516 void *buf;
517 struct rndis_msg_hdr *header;
518 struct rndis_set *set;
519 struct rndis_set_c *set_c;
520 } u;
521 int ret, buflen;
522
523 buflen = len + sizeof(*u.set);
524 if (buflen < CONTROL_BUFFER_SIZE)
525 buflen = CONTROL_BUFFER_SIZE;
526
527 if (buflen > COMMAND_BUFFER_SIZE) {
528 u.buf = kmalloc(buflen, GFP_KERNEL);
529 if (!u.buf)
530 return -ENOMEM;
531 } else {
532 u.buf = priv->command_buffer;
533 }
534
535 mutex_lock(&priv->command_lock);
536
537 memset(u.set, 0, sizeof *u.set);
538 u.set->msg_type = RNDIS_MSG_SET;
539 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
540 u.set->oid = oid;
541 u.set->len = cpu_to_le32(len);
542 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
543 u.set->handle = cpu_to_le32(0);
544 memcpy(u.buf + sizeof(*u.set), data, len);
545
546 ret = rndis_command(dev, u.header, buflen);
547 if (ret == 0)
548 ret = rndis_error_status(u.set_c->status);
549
550 mutex_unlock(&priv->command_lock);
551
552 if (u.buf != priv->command_buffer)
553 kfree(u.buf);
554 return ret;
555 }
556
557
558 /*
559 * Specs say that we can only set config parameters only soon after device
560 * initialization.
561 * value_type: 0 = u32, 2 = unicode string
562 */
563 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
564 int value_type, void *value)
565 {
566 struct ndis_config_param *infobuf;
567 int value_len, info_len, param_len, ret, i;
568 __le16 *unibuf;
569 __le32 *dst_value;
570
571 if (value_type == 0)
572 value_len = sizeof(__le32);
573 else if (value_type == 2)
574 value_len = strlen(value) * sizeof(__le16);
575 else
576 return -EINVAL;
577
578 param_len = strlen(param) * sizeof(__le16);
579 info_len = sizeof(*infobuf) + param_len + value_len;
580
581 #ifdef DEBUG
582 info_len += 12;
583 #endif
584 infobuf = kmalloc(info_len, GFP_KERNEL);
585 if (!infobuf)
586 return -ENOMEM;
587
588 #ifdef DEBUG
589 info_len -= 12;
590 /* extra 12 bytes are for padding (debug output) */
591 memset(infobuf, 0xCC, info_len + 12);
592 #endif
593
594 if (value_type == 2)
595 devdbg(dev, "setting config parameter: %s, value: %s",
596 param, (u8 *)value);
597 else
598 devdbg(dev, "setting config parameter: %s, value: %d",
599 param, *(u32 *)value);
600
601 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
602 infobuf->name_length = cpu_to_le32(param_len);
603 infobuf->type = cpu_to_le32(value_type);
604 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
605 infobuf->value_length = cpu_to_le32(value_len);
606
607 /* simple string to unicode string conversion */
608 unibuf = (void *)infobuf + sizeof(*infobuf);
609 for (i = 0; i < param_len / sizeof(__le16); i++)
610 unibuf[i] = cpu_to_le16(param[i]);
611
612 if (value_type == 2) {
613 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
614 for (i = 0; i < value_len / sizeof(__le16); i++)
615 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
616 } else {
617 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
618 *dst_value = cpu_to_le32(*(u32 *)value);
619 }
620
621 #ifdef DEBUG
622 devdbg(dev, "info buffer (len: %d):", info_len);
623 for (i = 0; i < info_len; i += 12) {
624 u32 *tmp = (u32 *)((u8 *)infobuf + i);
625 devdbg(dev, "%08X:%08X:%08X",
626 cpu_to_be32(tmp[0]),
627 cpu_to_be32(tmp[1]),
628 cpu_to_be32(tmp[2]));
629 }
630 #endif
631
632 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
633 infobuf, info_len);
634 if (ret != 0)
635 devdbg(dev, "setting rndis config paramater failed, %d.", ret);
636
637 kfree(infobuf);
638 return ret;
639 }
640
641 static int rndis_set_config_parameter_str(struct usbnet *dev,
642 char *param, char *value)
643 {
644 return(rndis_set_config_parameter(dev, param, 2, value));
645 }
646
647 /*static int rndis_set_config_parameter_u32(struct usbnet *dev,
648 char *param, u32 value)
649 {
650 return(rndis_set_config_parameter(dev, param, 0, &value));
651 }*/
652
653
654 /*
655 * data conversion functions
656 */
657 static int level_to_qual(int level)
658 {
659 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
660 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
661 }
662
663
664 static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
665 {
666 freq->e = 0;
667 freq->i = 0;
668 freq->flags = 0;
669
670 /* see comment in wireless.h above the "struct iw_freq"
671 * definition for an explanation of this if
672 * NOTE: 1000000 is due to the kHz
673 */
674 if (dsconfig > 1000000) {
675 freq->m = dsconfig / 10;
676 freq->e = 1;
677 } else
678 freq->m = dsconfig;
679
680 /* convert from kHz to Hz */
681 freq->e += 3;
682 }
683
684
685 static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
686 {
687 if (freq->m < 1000 && freq->e == 0) {
688 if (freq->m >= 1 && freq->m <= 14)
689 *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
690 else
691 return -1;
692 } else {
693 int i;
694 *dsconfig = freq->m;
695 for (i = freq->e; i > 0; i--)
696 *dsconfig *= 10;
697 *dsconfig /= 1000;
698 }
699
700 return 0;
701 }
702
703
704 /*
705 * common functions
706 */
707 static int
708 add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index);
709
710 static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
711 {
712 int ret, len;
713
714 len = sizeof(*ssid);
715 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
716
717 if (ret != 0)
718 ssid->length = 0;
719
720 #ifdef DEBUG
721 {
722 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
723
724 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
725 tmp[le32_to_cpu(ssid->length)] = 0;
726 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
727 }
728 #endif
729 return ret;
730 }
731
732
733 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
734 {
735 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
736 int ret;
737
738 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
739 if (ret == 0) {
740 memcpy(&priv->essid, ssid, sizeof(priv->essid));
741 priv->radio_on = 1;
742 devdbg(usbdev, "set_essid: radio_on = 1");
743 }
744
745 return ret;
746 }
747
748
749 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
750 {
751 int ret, len;
752
753 len = ETH_ALEN;
754 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
755
756 if (ret != 0)
757 memset(bssid, 0, ETH_ALEN);
758
759 return ret;
760 }
761
762 static int get_association_info(struct usbnet *usbdev,
763 struct ndis_80211_assoc_info *info, int len)
764 {
765 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
766 info, &len);
767 }
768
769 static int is_associated(struct usbnet *usbdev)
770 {
771 u8 bssid[ETH_ALEN];
772 int ret;
773
774 ret = get_bssid(usbdev, bssid);
775
776 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
777 }
778
779
780 static int disassociate(struct usbnet *usbdev, int reset_ssid)
781 {
782 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
783 struct ndis_80211_ssid ssid;
784 int i, ret = 0;
785
786 if (priv->radio_on) {
787 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
788 if (ret == 0) {
789 priv->radio_on = 0;
790 devdbg(usbdev, "disassociate: radio_on = 0");
791
792 if (reset_ssid)
793 msleep(100);
794 }
795 }
796
797 /* disassociate causes radio to be turned off; if reset_ssid
798 * is given, set random ssid to enable radio */
799 if (reset_ssid) {
800 ssid.length = cpu_to_le32(sizeof(ssid.essid));
801 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
802 ssid.essid[0] = 0x1;
803 ssid.essid[1] = 0xff;
804 for (i = 2; i < sizeof(ssid.essid); i++)
805 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
806 ret = set_essid(usbdev, &ssid);
807 }
808 return ret;
809 }
810
811
812 static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
813 {
814 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
815 __le32 tmp;
816 int auth_mode, ret;
817
818 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
819 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
820
821 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
822 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
823 auth_mode = ndis_80211_auth_wpa2;
824 else
825 auth_mode = ndis_80211_auth_wpa2_psk;
826 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
827 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
828 auth_mode = ndis_80211_auth_wpa;
829 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
830 auth_mode = ndis_80211_auth_wpa_psk;
831 else
832 auth_mode = ndis_80211_auth_wpa_none;
833 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
834 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
835 auth_mode = ndis_80211_auth_auto_switch;
836 else
837 auth_mode = ndis_80211_auth_shared;
838 } else
839 auth_mode = ndis_80211_auth_open;
840
841 tmp = cpu_to_le32(auth_mode);
842 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
843 sizeof(tmp));
844 if (ret != 0) {
845 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
846 return ret;
847 }
848
849 priv->wpa_version = wpa_version;
850 priv->wpa_authalg = authalg;
851 return 0;
852 }
853
854
855 static int set_priv_filter(struct usbnet *usbdev)
856 {
857 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
858 __le32 tmp;
859
860 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
861
862 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
863 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
864 tmp = cpu_to_le32(ndis_80211_priv_8021x_wep);
865 else
866 tmp = cpu_to_le32(ndis_80211_priv_accept_all);
867
868 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
869 sizeof(tmp));
870 }
871
872
873 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
874 {
875 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
876 __le32 tmp;
877 int encr_mode, ret;
878
879 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
880 pairwise,
881 groupwise);
882
883 if (pairwise & IW_AUTH_CIPHER_CCMP)
884 encr_mode = ndis_80211_encr_ccmp_enabled;
885 else if (pairwise & IW_AUTH_CIPHER_TKIP)
886 encr_mode = ndis_80211_encr_tkip_enabled;
887 else if (pairwise &
888 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
889 encr_mode = ndis_80211_encr_wep_enabled;
890 else if (groupwise & IW_AUTH_CIPHER_CCMP)
891 encr_mode = ndis_80211_encr_ccmp_enabled;
892 else if (groupwise & IW_AUTH_CIPHER_TKIP)
893 encr_mode = ndis_80211_encr_tkip_enabled;
894 else
895 encr_mode = ndis_80211_encr_disabled;
896
897 tmp = cpu_to_le32(encr_mode);
898 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
899 sizeof(tmp));
900 if (ret != 0) {
901 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
902 return ret;
903 }
904
905 priv->wpa_cipher_pair = pairwise;
906 priv->wpa_cipher_group = groupwise;
907 return 0;
908 }
909
910
911 static int set_assoc_params(struct usbnet *usbdev)
912 {
913 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
914
915 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
916 set_priv_filter(usbdev);
917 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
918
919 return 0;
920 }
921
922
923 static int set_infra_mode(struct usbnet *usbdev, int mode)
924 {
925 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
926 __le32 tmp;
927 int ret, i;
928
929 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
930
931 tmp = cpu_to_le32(mode);
932 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
933 sizeof(tmp));
934 if (ret != 0) {
935 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
936 return ret;
937 }
938
939 /* NDIS drivers clear keys when infrastructure mode is
940 * changed. But Linux tools assume otherwise. So set the
941 * keys */
942 if (priv->wpa_keymgmt == 0 ||
943 priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) {
944 for (i = 0; i < 4; i++) {
945 if (priv->encr_key_len[i] > 0)
946 add_wep_key(usbdev, priv->encr_keys[i],
947 priv->encr_key_len[i], i);
948 }
949 }
950
951 priv->infra_mode = mode;
952 return 0;
953 }
954
955
956 static void set_default_iw_params(struct usbnet *usbdev)
957 {
958 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
959
960 priv->wpa_keymgmt = 0;
961 priv->wpa_version = 0;
962
963 set_infra_mode(usbdev, ndis_80211_infra_infra);
964 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
965 IW_AUTH_ALG_OPEN_SYSTEM);
966 set_priv_filter(usbdev);
967 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
968 }
969
970
971 static int deauthenticate(struct usbnet *usbdev)
972 {
973 int ret;
974
975 ret = disassociate(usbdev, 1);
976 set_default_iw_params(usbdev);
977 return ret;
978 }
979
980
981 /* index must be 0 - N, as per NDIS */
982 static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
983 {
984 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
985 struct ndis_80211_wep_key ndis_key;
986 int ret;
987
988 if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4)
989 return -EINVAL;
990
991 memset(&ndis_key, 0, sizeof(ndis_key));
992
993 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
994 ndis_key.length = cpu_to_le32(key_len);
995 ndis_key.index = cpu_to_le32(index);
996 memcpy(&ndis_key.material, key, key_len);
997
998 if (index == priv->encr_tx_key_index) {
999 ndis_key.index |= cpu_to_le32(1 << 31);
1000 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
1001 IW_AUTH_CIPHER_NONE);
1002 if (ret)
1003 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1004 ret);
1005 }
1006
1007 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1008 sizeof(ndis_key));
1009 if (ret != 0) {
1010 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1011 index+1, ret);
1012 return ret;
1013 }
1014
1015 priv->encr_key_len[index] = key_len;
1016 memcpy(&priv->encr_keys[index], key, key_len);
1017
1018 return 0;
1019 }
1020
1021
1022 /* remove_key is for both wep and wpa */
1023 static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1024 {
1025 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1026 struct ndis_80211_remove_key remove_key;
1027 __le32 keyindex;
1028 int ret;
1029
1030 if (priv->encr_key_len[index] == 0)
1031 return 0;
1032
1033 priv->encr_key_len[index] = 0;
1034 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1035
1036 if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP ||
1037 priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP ||
1038 priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP ||
1039 priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) {
1040 remove_key.size = cpu_to_le32(sizeof(remove_key));
1041 remove_key.index = cpu_to_le32(index);
1042 if (bssid) {
1043 /* pairwise key */
1044 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
1045 remove_key.index |= cpu_to_le32(1 << 30);
1046 memcpy(remove_key.bssid, bssid,
1047 sizeof(remove_key.bssid));
1048 } else
1049 memset(remove_key.bssid, 0xff,
1050 sizeof(remove_key.bssid));
1051
1052 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1053 sizeof(remove_key));
1054 if (ret != 0)
1055 return ret;
1056 } else {
1057 keyindex = cpu_to_le32(index);
1058 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1059 sizeof(keyindex));
1060 if (ret != 0) {
1061 devwarn(usbdev,
1062 "removing encryption key %d failed (%08X)",
1063 index, ret);
1064 return ret;
1065 }
1066 }
1067
1068 /* if it is transmit key, disable encryption */
1069 if (index == priv->encr_tx_key_index)
1070 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1071
1072 return 0;
1073 }
1074
1075
1076 static void set_multicast_list(struct usbnet *usbdev)
1077 {
1078 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1079 struct dev_mc_list *mclist;
1080 __le32 filter;
1081 int ret, i, size;
1082 char *buf;
1083
1084 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1085
1086 if (usbdev->net->flags & IFF_PROMISC) {
1087 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1088 RNDIS_PACKET_TYPE_ALL_LOCAL;
1089 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1090 usbdev->net->mc_count > priv->multicast_size) {
1091 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1092 } else if (usbdev->net->mc_count > 0) {
1093 size = min(priv->multicast_size, usbdev->net->mc_count);
1094 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1095 if (!buf) {
1096 devwarn(usbdev,
1097 "couldn't alloc %d bytes of memory",
1098 size * ETH_ALEN);
1099 return;
1100 }
1101
1102 mclist = usbdev->net->mc_list;
1103 for (i = 0; i < size && mclist; mclist = mclist->next) {
1104 if (mclist->dmi_addrlen != ETH_ALEN)
1105 continue;
1106
1107 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1108 i++;
1109 }
1110
1111 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1112 i * ETH_ALEN);
1113 if (ret == 0 && i > 0)
1114 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1115 else
1116 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1117
1118 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1119 i, priv->multicast_size, ret);
1120
1121 kfree(buf);
1122 }
1123
1124 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1125 sizeof(filter));
1126 if (ret < 0) {
1127 devwarn(usbdev, "couldn't set packet filter: %08x",
1128 le32_to_cpu(filter));
1129 }
1130
1131 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1132 le32_to_cpu(filter), ret);
1133 }
1134
1135
1136 /*
1137 * cfg80211 ops
1138 */
1139 static int rndis_change_virtual_intf(struct wiphy *wiphy, int ifindex,
1140 enum nl80211_iftype type, u32 *flags,
1141 struct vif_params *params)
1142 {
1143 struct net_device *dev;
1144 struct usbnet *usbdev;
1145 int mode;
1146
1147 /* we're under RTNL */
1148 dev = __dev_get_by_index(&init_net, ifindex);
1149 if (!dev)
1150 return -ENODEV;
1151 usbdev = netdev_priv(dev);
1152
1153 switch (type) {
1154 case NL80211_IFTYPE_ADHOC:
1155 mode = ndis_80211_infra_adhoc;
1156 break;
1157 case NL80211_IFTYPE_STATION:
1158 mode = ndis_80211_infra_infra;
1159 break;
1160 default:
1161 return -EINVAL;
1162 }
1163
1164 return set_infra_mode(usbdev, mode);
1165 }
1166
1167 /*
1168 * wireless extension handlers
1169 */
1170
1171 static int rndis_iw_commit(struct net_device *dev,
1172 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1173 {
1174 /* dummy op */
1175 return 0;
1176 }
1177
1178
1179 static int rndis_iw_set_essid(struct net_device *dev,
1180 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1181 {
1182 struct ndis_80211_ssid ssid;
1183 int length = wrqu->essid.length;
1184 struct usbnet *usbdev = netdev_priv(dev);
1185
1186 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1187 wrqu->essid.flags, wrqu->essid.length, essid);
1188
1189 if (length > NDIS_802_11_LENGTH_SSID)
1190 length = NDIS_802_11_LENGTH_SSID;
1191
1192 ssid.length = cpu_to_le32(length);
1193 if (length > 0)
1194 memcpy(ssid.essid, essid, length);
1195 else
1196 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
1197
1198 set_assoc_params(usbdev);
1199
1200 if (!wrqu->essid.flags || length == 0)
1201 return disassociate(usbdev, 1);
1202 else
1203 return set_essid(usbdev, &ssid);
1204 }
1205
1206
1207 static int rndis_iw_get_essid(struct net_device *dev,
1208 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1209 {
1210 struct ndis_80211_ssid ssid;
1211 struct usbnet *usbdev = netdev_priv(dev);
1212 int ret;
1213
1214 ret = get_essid(usbdev, &ssid);
1215
1216 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
1217 wrqu->essid.flags = 1;
1218 wrqu->essid.length = le32_to_cpu(ssid.length);
1219 memcpy(essid, ssid.essid, wrqu->essid.length);
1220 essid[wrqu->essid.length] = 0;
1221 } else {
1222 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1223 wrqu->essid.flags = 0;
1224 wrqu->essid.length = 0;
1225 }
1226 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1227 return ret;
1228 }
1229
1230
1231 static int rndis_iw_get_bssid(struct net_device *dev,
1232 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1233 {
1234 struct usbnet *usbdev = netdev_priv(dev);
1235 unsigned char bssid[ETH_ALEN];
1236 int ret;
1237
1238 ret = get_bssid(usbdev, bssid);
1239
1240 if (ret == 0)
1241 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
1242 else
1243 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1244
1245 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1246 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1247
1248 return ret;
1249 }
1250
1251
1252 static int rndis_iw_set_bssid(struct net_device *dev,
1253 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1254 {
1255 struct usbnet *usbdev = netdev_priv(dev);
1256 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
1257 int ret;
1258
1259 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
1260
1261 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1262
1263 /* user apps may set ap's mac address, which is not required;
1264 * they may fail to work if this function fails, so return
1265 * success */
1266 if (ret)
1267 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1268
1269 return 0;
1270 }
1271
1272
1273 static int rndis_iw_set_auth(struct net_device *dev,
1274 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1275 {
1276 struct iw_param *p = &wrqu->param;
1277 struct usbnet *usbdev = netdev_priv(dev);
1278 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1279 int ret = -ENOTSUPP;
1280
1281 switch (p->flags & IW_AUTH_INDEX) {
1282 case IW_AUTH_WPA_VERSION:
1283 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1284 priv->wpa_version = p->value;
1285 ret = 0;
1286 break;
1287
1288 case IW_AUTH_CIPHER_PAIRWISE:
1289 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1290 priv->wpa_cipher_pair = p->value;
1291 ret = 0;
1292 break;
1293
1294 case IW_AUTH_CIPHER_GROUP:
1295 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1296 priv->wpa_cipher_group = p->value;
1297 ret = 0;
1298 break;
1299
1300 case IW_AUTH_KEY_MGMT:
1301 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1302 priv->wpa_keymgmt = p->value;
1303 ret = 0;
1304 break;
1305
1306 case IW_AUTH_TKIP_COUNTERMEASURES:
1307 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1308 p->value);
1309 ret = 0;
1310 break;
1311
1312 case IW_AUTH_DROP_UNENCRYPTED:
1313 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1314 ret = 0;
1315 break;
1316
1317 case IW_AUTH_80211_AUTH_ALG:
1318 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1319 priv->wpa_authalg = p->value;
1320 ret = 0;
1321 break;
1322
1323 case IW_AUTH_WPA_ENABLED:
1324 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1325 if (wrqu->param.value)
1326 deauthenticate(usbdev);
1327 ret = 0;
1328 break;
1329
1330 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1331 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1332 p->value);
1333 ret = 0;
1334 break;
1335
1336 case IW_AUTH_ROAMING_CONTROL:
1337 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1338 ret = 0;
1339 break;
1340
1341 case IW_AUTH_PRIVACY_INVOKED:
1342 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1343 wrqu->param.flags & IW_AUTH_INDEX);
1344 return -EOPNOTSUPP;
1345
1346 default:
1347 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1348 p->flags & IW_AUTH_INDEX, p->value);
1349 }
1350 return ret;
1351 }
1352
1353
1354 static int rndis_iw_get_auth(struct net_device *dev,
1355 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1356 {
1357 struct iw_param *p = &wrqu->param;
1358 struct usbnet *usbdev = netdev_priv(dev);
1359 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1360
1361 switch (p->flags & IW_AUTH_INDEX) {
1362 case IW_AUTH_WPA_VERSION:
1363 p->value = priv->wpa_version;
1364 break;
1365 case IW_AUTH_CIPHER_PAIRWISE:
1366 p->value = priv->wpa_cipher_pair;
1367 break;
1368 case IW_AUTH_CIPHER_GROUP:
1369 p->value = priv->wpa_cipher_group;
1370 break;
1371 case IW_AUTH_KEY_MGMT:
1372 p->value = priv->wpa_keymgmt;
1373 break;
1374 case IW_AUTH_80211_AUTH_ALG:
1375 p->value = priv->wpa_authalg;
1376 break;
1377 default:
1378 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1379 wrqu->param.flags & IW_AUTH_INDEX);
1380 return -EOPNOTSUPP;
1381 }
1382 return 0;
1383 }
1384
1385
1386 static int rndis_iw_set_encode(struct net_device *dev,
1387 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1388 {
1389 struct usbnet *usbdev = netdev_priv(dev);
1390 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1391 int ret, index, key_len;
1392 u8 *key;
1393
1394 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1395
1396 /* iwconfig gives index as 1 - N */
1397 if (index > 0)
1398 index--;
1399 else
1400 index = priv->encr_tx_key_index;
1401
1402 if (index < 0 || index >= 4) {
1403 devwarn(usbdev, "encryption index out of range (%u)", index);
1404 return -EINVAL;
1405 }
1406
1407 /* remove key if disabled */
1408 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
1409 if (remove_key(usbdev, index, NULL))
1410 return -EINVAL;
1411 else
1412 return 0;
1413 }
1414
1415 /* global encryption state (for all keys) */
1416 if (wrqu->data.flags & IW_ENCODE_OPEN)
1417 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1418 IW_AUTH_ALG_OPEN_SYSTEM);
1419 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
1420 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1421 IW_AUTH_ALG_SHARED_KEY);
1422 if (ret != 0)
1423 return ret;
1424
1425 if (wrqu->data.length > 0) {
1426 key_len = wrqu->data.length;
1427 key = extra;
1428 } else {
1429 /* must be set as tx key */
1430 if (priv->encr_key_len[index] == 0)
1431 return -EINVAL;
1432 key_len = priv->encr_key_len[index];
1433 key = priv->encr_keys[index];
1434 priv->encr_tx_key_index = index;
1435 }
1436
1437 if (add_wep_key(usbdev, key, key_len, index) != 0)
1438 return -EINVAL;
1439
1440 if (index == priv->encr_tx_key_index)
1441 /* ndis drivers want essid to be set after setting encr */
1442 set_essid(usbdev, &priv->essid);
1443
1444 return 0;
1445 }
1446
1447
1448 static int rndis_iw_set_encode_ext(struct net_device *dev,
1449 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1450 {
1451 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1452 struct usbnet *usbdev = netdev_priv(dev);
1453 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1454 struct ndis_80211_key ndis_key;
1455 int keyidx, ret;
1456 u8 *addr;
1457
1458 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
1459
1460 /* iwconfig gives index as 1 - N */
1461 if (keyidx)
1462 keyidx--;
1463 else
1464 keyidx = priv->encr_tx_key_index;
1465
1466 if (keyidx < 0 || keyidx >= 4)
1467 return -EINVAL;
1468
1469 if (ext->alg == WPA_ALG_WEP) {
1470 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1471 priv->encr_tx_key_index = keyidx;
1472 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
1473 }
1474
1475 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
1476 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
1477 return remove_key(usbdev, keyidx, NULL);
1478
1479 if (ext->key_len > sizeof(ndis_key.material))
1480 return -1;
1481
1482 memset(&ndis_key, 0, sizeof(ndis_key));
1483
1484 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1485 sizeof(ndis_key.material) + ext->key_len);
1486 ndis_key.length = cpu_to_le32(ext->key_len);
1487 ndis_key.index = cpu_to_le32(keyidx);
1488
1489 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
1490 memcpy(ndis_key.rsc, ext->rx_seq, 6);
1491 ndis_key.index |= cpu_to_le32(1 << 29);
1492 }
1493
1494 addr = ext->addr.sa_data;
1495 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1496 /* group key */
1497 if (priv->infra_mode == ndis_80211_infra_adhoc)
1498 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1499 else
1500 get_bssid(usbdev, ndis_key.bssid);
1501 } else {
1502 /* pairwise key */
1503 ndis_key.index |= cpu_to_le32(1 << 30);
1504 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1505 }
1506
1507 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1508 ndis_key.index |= cpu_to_le32(1 << 31);
1509
1510 if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) {
1511 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1512 * different order than NDIS spec, so swap the order here. */
1513 memcpy(ndis_key.material, ext->key, 16);
1514 memcpy(ndis_key.material + 16, ext->key + 24, 8);
1515 memcpy(ndis_key.material + 24, ext->key + 16, 8);
1516 } else
1517 memcpy(ndis_key.material, ext->key, ext->key_len);
1518
1519 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1520 le32_to_cpu(ndis_key.size));
1521 devdbg(usbdev, "SIOCSIWENCODEEXT: OID_802_11_ADD_KEY -> %08X", ret);
1522 if (ret != 0)
1523 return ret;
1524
1525 priv->encr_key_len[keyidx] = ext->key_len;
1526 memcpy(&priv->encr_keys[keyidx], ndis_key.material, ext->key_len);
1527 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1528 priv->encr_tx_key_index = keyidx;
1529
1530 return 0;
1531 }
1532
1533
1534 static int rndis_iw_set_scan(struct net_device *dev,
1535 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1536 {
1537 struct usbnet *usbdev = netdev_priv(dev);
1538 union iwreq_data evt;
1539 int ret = -EINVAL;
1540 __le32 tmp;
1541
1542 devdbg(usbdev, "SIOCSIWSCAN");
1543
1544 if (wrqu->data.flags == 0) {
1545 tmp = cpu_to_le32(1);
1546 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1547 sizeof(tmp));
1548 evt.data.flags = 0;
1549 evt.data.length = 0;
1550 wireless_send_event(dev, SIOCGIWSCAN, &evt, NULL);
1551 }
1552 return ret;
1553 }
1554
1555
1556 static char *rndis_translate_scan(struct net_device *dev,
1557 struct iw_request_info *info, char *cev,
1558 char *end_buf,
1559 struct ndis_80211_bssid_ex *bssid)
1560 {
1561 struct usbnet *usbdev = netdev_priv(dev);
1562 u8 *ie;
1563 char *current_val;
1564 int bssid_len, ie_len, i;
1565 u32 beacon, atim;
1566 struct iw_event iwe;
1567 unsigned char sbuf[32];
1568
1569 bssid_len = le32_to_cpu(bssid->length);
1570
1571 devdbg(usbdev, "BSSID %pM", bssid->mac);
1572 iwe.cmd = SIOCGIWAP;
1573 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1574 memcpy(iwe.u.ap_addr.sa_data, bssid->mac, ETH_ALEN);
1575 cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_ADDR_LEN);
1576
1577 devdbg(usbdev, "SSID(%d) %s", le32_to_cpu(bssid->ssid.length),
1578 bssid->ssid.essid);
1579 iwe.cmd = SIOCGIWESSID;
1580 iwe.u.essid.length = le32_to_cpu(bssid->ssid.length);
1581 iwe.u.essid.flags = 1;
1582 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, bssid->ssid.essid);
1583
1584 devdbg(usbdev, "MODE %d", le32_to_cpu(bssid->net_infra));
1585 iwe.cmd = SIOCGIWMODE;
1586 switch (le32_to_cpu(bssid->net_infra)) {
1587 case ndis_80211_infra_adhoc:
1588 iwe.u.mode = IW_MODE_ADHOC;
1589 break;
1590 case ndis_80211_infra_infra:
1591 iwe.u.mode = IW_MODE_INFRA;
1592 break;
1593 /*case ndis_80211_infra_auto_unknown:*/
1594 default:
1595 iwe.u.mode = IW_MODE_AUTO;
1596 break;
1597 }
1598 cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_UINT_LEN);
1599
1600 devdbg(usbdev, "FREQ %d kHz", le32_to_cpu(bssid->config.ds_config));
1601 iwe.cmd = SIOCGIWFREQ;
1602 dsconfig_to_freq(le32_to_cpu(bssid->config.ds_config), &iwe.u.freq);
1603 cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_FREQ_LEN);
1604
1605 devdbg(usbdev, "QUAL %d", le32_to_cpu(bssid->rssi));
1606 iwe.cmd = IWEVQUAL;
1607 iwe.u.qual.qual = level_to_qual(le32_to_cpu(bssid->rssi));
1608 iwe.u.qual.level = level_to_qual(le32_to_cpu(bssid->rssi));
1609 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
1610 | IW_QUAL_LEVEL_UPDATED
1611 | IW_QUAL_NOISE_INVALID;
1612 cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_QUAL_LEN);
1613
1614 devdbg(usbdev, "ENCODE %d", le32_to_cpu(bssid->privacy));
1615 iwe.cmd = SIOCGIWENCODE;
1616 iwe.u.data.length = 0;
1617 if (le32_to_cpu(bssid->privacy) == ndis_80211_priv_accept_all)
1618 iwe.u.data.flags = IW_ENCODE_DISABLED;
1619 else
1620 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1621
1622 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL);
1623
1624 devdbg(usbdev, "RATES:");
1625 current_val = cev + iwe_stream_lcp_len(info);
1626 iwe.cmd = SIOCGIWRATE;
1627 for (i = 0; i < sizeof(bssid->rates); i++) {
1628 if (bssid->rates[i] & 0x7f) {
1629 iwe.u.bitrate.value =
1630 ((bssid->rates[i] & 0x7f) *
1631 500000);
1632 devdbg(usbdev, " %d", iwe.u.bitrate.value);
1633 current_val = iwe_stream_add_value(info, cev,
1634 current_val, end_buf, &iwe,
1635 IW_EV_PARAM_LEN);
1636 }
1637 }
1638
1639 if ((current_val - cev) > iwe_stream_lcp_len(info))
1640 cev = current_val;
1641
1642 beacon = le32_to_cpu(bssid->config.beacon_period);
1643 devdbg(usbdev, "BCN_INT %d", beacon);
1644 iwe.cmd = IWEVCUSTOM;
1645 snprintf(sbuf, sizeof(sbuf), "bcn_int=%d", beacon);
1646 iwe.u.data.length = strlen(sbuf);
1647 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, sbuf);
1648
1649 atim = le32_to_cpu(bssid->config.atim_window);
1650 devdbg(usbdev, "ATIM %d", atim);
1651 iwe.cmd = IWEVCUSTOM;
1652 snprintf(sbuf, sizeof(sbuf), "atim=%u", atim);
1653 iwe.u.data.length = strlen(sbuf);
1654 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, sbuf);
1655
1656 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1657 ie_len = min(bssid_len - (int)sizeof(*bssid),
1658 (int)le32_to_cpu(bssid->ie_length));
1659 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1660 while (ie_len >= 2 && 2 + ie[1] <= ie_len) {
1661 if ((ie[0] == WLAN_EID_GENERIC && ie[1] >= 4 &&
1662 memcmp(ie + 2, "\x00\x50\xf2\x01", 4) == 0) ||
1663 ie[0] == WLAN_EID_RSN) {
1664 devdbg(usbdev, "IE: WPA%d",
1665 (ie[0] == WLAN_EID_RSN) ? 2 : 1);
1666 iwe.cmd = IWEVGENIE;
1667 /* arbitrary cut-off at 64 */
1668 iwe.u.data.length = min(ie[1] + 2, 64);
1669 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, ie);
1670 }
1671
1672 ie_len -= 2 + ie[1];
1673 ie += 2 + ie[1];
1674 }
1675
1676 return cev;
1677 }
1678
1679
1680 static int rndis_iw_get_scan(struct net_device *dev,
1681 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1682 {
1683 struct usbnet *usbdev = netdev_priv(dev);
1684 void *buf = NULL;
1685 char *cev = extra;
1686 struct ndis_80211_bssid_list_ex *bssid_list;
1687 struct ndis_80211_bssid_ex *bssid;
1688 int ret = -EINVAL, len, count, bssid_len;
1689
1690 devdbg(usbdev, "SIOCGIWSCAN");
1691
1692 len = CONTROL_BUFFER_SIZE;
1693 buf = kmalloc(len, GFP_KERNEL);
1694 if (!buf) {
1695 ret = -ENOMEM;
1696 goto out;
1697 }
1698
1699 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1700
1701 if (ret != 0)
1702 goto out;
1703
1704 bssid_list = buf;
1705 bssid = bssid_list->bssid;
1706 bssid_len = le32_to_cpu(bssid->length);
1707 count = le32_to_cpu(bssid_list->num_items);
1708 devdbg(usbdev, "SIOCGIWSCAN: %d BSSIDs found", count);
1709
1710 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1711 cev = rndis_translate_scan(dev, info, cev,
1712 extra + IW_SCAN_MAX_DATA, bssid);
1713 bssid = (void *)bssid + bssid_len;
1714 bssid_len = le32_to_cpu(bssid->length);
1715 count--;
1716 }
1717
1718 out:
1719 wrqu->data.length = cev - extra;
1720 wrqu->data.flags = 0;
1721 kfree(buf);
1722 return ret;
1723 }
1724
1725
1726 static int rndis_iw_set_genie(struct net_device *dev,
1727 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1728 {
1729 struct usbnet *usbdev = netdev_priv(dev);
1730 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1731 int ret = 0;
1732
1733 #ifdef DEBUG
1734 int j;
1735 u8 *gie = extra;
1736 for (j = 0; j < wrqu->data.length; j += 8)
1737 devdbg(usbdev,
1738 "SIOCSIWGENIE %04x - "
1739 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
1740 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
1741 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
1742 #endif
1743 /* clear existing IEs */
1744 if (priv->wpa_ie_len) {
1745 kfree(priv->wpa_ie);
1746 priv->wpa_ie_len = 0;
1747 }
1748
1749 /* set new IEs */
1750 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
1751 if (priv->wpa_ie) {
1752 priv->wpa_ie_len = wrqu->data.length;
1753 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
1754 } else
1755 ret = -ENOMEM;
1756 return ret;
1757 }
1758
1759
1760 static int rndis_iw_get_genie(struct net_device *dev,
1761 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1762 {
1763 struct usbnet *usbdev = netdev_priv(dev);
1764 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1765
1766 devdbg(usbdev, "SIOCGIWGENIE");
1767
1768 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
1769 wrqu->data.length = 0;
1770 return 0;
1771 }
1772
1773 if (wrqu->data.length < priv->wpa_ie_len)
1774 return -E2BIG;
1775
1776 wrqu->data.length = priv->wpa_ie_len;
1777 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
1778
1779 return 0;
1780 }
1781
1782
1783 static int rndis_iw_set_rts(struct net_device *dev,
1784 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1785 {
1786 struct usbnet *usbdev = netdev_priv(dev);
1787 __le32 tmp;
1788 devdbg(usbdev, "SIOCSIWRTS");
1789
1790 tmp = cpu_to_le32(wrqu->rts.value);
1791 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1792 sizeof(tmp));
1793 }
1794
1795
1796 static int rndis_iw_get_rts(struct net_device *dev,
1797 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1798 {
1799 struct usbnet *usbdev = netdev_priv(dev);
1800 __le32 tmp;
1801 int len, ret;
1802
1803 len = sizeof(tmp);
1804 ret = rndis_query_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, &len);
1805 if (ret == 0) {
1806 wrqu->rts.value = le32_to_cpu(tmp);
1807 wrqu->rts.flags = 1;
1808 wrqu->rts.disabled = 0;
1809 }
1810
1811 devdbg(usbdev, "SIOCGIWRTS: %d", wrqu->rts.value);
1812
1813 return ret;
1814 }
1815
1816
1817 static int rndis_iw_set_frag(struct net_device *dev,
1818 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1819 {
1820 struct usbnet *usbdev = netdev_priv(dev);
1821 __le32 tmp;
1822
1823 devdbg(usbdev, "SIOCSIWFRAG");
1824
1825 tmp = cpu_to_le32(wrqu->frag.value);
1826 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1827 sizeof(tmp));
1828 }
1829
1830
1831 static int rndis_iw_get_frag(struct net_device *dev,
1832 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1833 {
1834 struct usbnet *usbdev = netdev_priv(dev);
1835 __le32 tmp;
1836 int len, ret;
1837
1838 len = sizeof(tmp);
1839 ret = rndis_query_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1840 &len);
1841 if (ret == 0) {
1842 wrqu->frag.value = le32_to_cpu(tmp);
1843 wrqu->frag.flags = 1;
1844 wrqu->frag.disabled = 0;
1845 }
1846 devdbg(usbdev, "SIOCGIWFRAG: %d", wrqu->frag.value);
1847 return ret;
1848 }
1849
1850
1851 static int rndis_iw_set_nick(struct net_device *dev,
1852 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1853 {
1854 struct usbnet *usbdev = netdev_priv(dev);
1855 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1856
1857 devdbg(usbdev, "SIOCSIWNICK");
1858
1859 priv->nick_len = wrqu->data.length;
1860 if (priv->nick_len > 32)
1861 priv->nick_len = 32;
1862
1863 memcpy(priv->nick, extra, priv->nick_len);
1864 return 0;
1865 }
1866
1867
1868 static int rndis_iw_get_nick(struct net_device *dev,
1869 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1870 {
1871 struct usbnet *usbdev = netdev_priv(dev);
1872 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1873
1874 wrqu->data.flags = 1;
1875 wrqu->data.length = priv->nick_len;
1876 memcpy(extra, priv->nick, priv->nick_len);
1877
1878 devdbg(usbdev, "SIOCGIWNICK: '%s'", priv->nick);
1879
1880 return 0;
1881 }
1882
1883
1884 static int rndis_iw_set_freq(struct net_device *dev,
1885 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1886 {
1887 struct usbnet *usbdev = netdev_priv(dev);
1888 struct ndis_80211_conf config;
1889 unsigned int dsconfig;
1890 int len, ret;
1891
1892 /* this OID is valid only when not associated */
1893 if (is_associated(usbdev))
1894 return 0;
1895
1896 dsconfig = 0;
1897 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
1898 return -EINVAL;
1899
1900 len = sizeof(config);
1901 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1902 if (ret != 0) {
1903 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
1904 return 0;
1905 }
1906
1907 config.ds_config = cpu_to_le32(dsconfig);
1908
1909 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
1910 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1911 sizeof(config));
1912 }
1913
1914
1915 static int rndis_iw_get_freq(struct net_device *dev,
1916 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1917 {
1918 struct usbnet *usbdev = netdev_priv(dev);
1919 struct ndis_80211_conf config;
1920 int len, ret;
1921
1922 len = sizeof(config);
1923 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1924 if (ret == 0)
1925 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
1926
1927 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
1928 return ret;
1929 }
1930
1931
1932 static int rndis_iw_get_txpower(struct net_device *dev,
1933 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1934 {
1935 struct usbnet *usbdev = netdev_priv(dev);
1936 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1937 __le32 tx_power;
1938 int ret = 0, len;
1939
1940 if (priv->radio_on) {
1941 if (priv->caps & CAP_SUPPORT_TXPOWER) {
1942 len = sizeof(tx_power);
1943 ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
1944 &tx_power, &len);
1945 if (ret != 0)
1946 return ret;
1947 } else
1948 /* fake incase not supported */
1949 tx_power = cpu_to_le32(get_bcm4320_power(priv));
1950
1951 wrqu->txpower.flags = IW_TXPOW_MWATT;
1952 wrqu->txpower.value = le32_to_cpu(tx_power);
1953 wrqu->txpower.disabled = 0;
1954 } else {
1955 wrqu->txpower.flags = IW_TXPOW_MWATT;
1956 wrqu->txpower.value = 0;
1957 wrqu->txpower.disabled = 1;
1958 }
1959
1960 devdbg(usbdev, "SIOCGIWTXPOW: %d", wrqu->txpower.value);
1961
1962 return ret;
1963 }
1964
1965
1966 static int rndis_iw_set_txpower(struct net_device *dev,
1967 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1968 {
1969 struct usbnet *usbdev = netdev_priv(dev);
1970 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1971 __le32 tx_power = 0;
1972 int ret = 0;
1973
1974 if (!wrqu->txpower.disabled) {
1975 if (wrqu->txpower.flags == IW_TXPOW_MWATT)
1976 tx_power = cpu_to_le32(wrqu->txpower.value);
1977 else { /* wrqu->txpower.flags == IW_TXPOW_DBM */
1978 if (wrqu->txpower.value > 20)
1979 tx_power = cpu_to_le32(128);
1980 else if (wrqu->txpower.value < -43)
1981 tx_power = cpu_to_le32(127);
1982 else {
1983 signed char tmp;
1984 tmp = wrqu->txpower.value;
1985 tmp = -12 - tmp;
1986 tmp <<= 2;
1987 tx_power = cpu_to_le32((unsigned char)tmp);
1988 }
1989 }
1990 }
1991
1992 devdbg(usbdev, "SIOCSIWTXPOW: %d", le32_to_cpu(tx_power));
1993
1994 if (le32_to_cpu(tx_power) != 0) {
1995 if (priv->caps & CAP_SUPPORT_TXPOWER) {
1996 /* turn radio on first */
1997 if (!priv->radio_on)
1998 disassociate(usbdev, 1);
1999
2000 ret = rndis_set_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
2001 &tx_power, sizeof(tx_power));
2002 if (ret != 0)
2003 ret = -EOPNOTSUPP;
2004 return ret;
2005 } else {
2006 /* txpower unsupported, just turn radio on */
2007 if (!priv->radio_on)
2008 return disassociate(usbdev, 1);
2009 return 0; /* all ready on */
2010 }
2011 }
2012
2013 /* tx_power == 0, turn off radio */
2014 return disassociate(usbdev, 0);
2015 }
2016
2017
2018 static int rndis_iw_get_rate(struct net_device *dev,
2019 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2020 {
2021 struct usbnet *usbdev = netdev_priv(dev);
2022 __le32 tmp;
2023 int ret, len;
2024
2025 len = sizeof(tmp);
2026 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2027 if (ret == 0) {
2028 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2029 wrqu->bitrate.disabled = 0;
2030 wrqu->bitrate.flags = 1;
2031 }
2032 return ret;
2033 }
2034
2035
2036 static int rndis_iw_set_mlme(struct net_device *dev,
2037 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2038 {
2039 struct usbnet *usbdev = netdev_priv(dev);
2040 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2041 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2042 unsigned char bssid[ETH_ALEN];
2043
2044 get_bssid(usbdev, bssid);
2045
2046 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2047 return -EINVAL;
2048
2049 switch (mlme->cmd) {
2050 case IW_MLME_DEAUTH:
2051 return deauthenticate(usbdev);
2052 case IW_MLME_DISASSOC:
2053 return disassociate(usbdev, priv->radio_on);
2054 default:
2055 return -EOPNOTSUPP;
2056 }
2057
2058 return 0;
2059 }
2060
2061
2062 static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2063 {
2064 struct usbnet *usbdev = netdev_priv(dev);
2065 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2066 unsigned long flags;
2067
2068 spin_lock_irqsave(&priv->stats_lock, flags);
2069 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2070 spin_unlock_irqrestore(&priv->stats_lock, flags);
2071
2072 return &priv->iwstats;
2073 }
2074
2075
2076 #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2077 static const iw_handler rndis_iw_handler[] =
2078 {
2079 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
2080 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
2081 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2082 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
2083 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2084 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
2085 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
2086 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2087 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
2088 IW_IOCTL(SIOCSIWSCAN) = rndis_iw_set_scan,
2089 IW_IOCTL(SIOCGIWSCAN) = rndis_iw_get_scan,
2090 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2091 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
2092 IW_IOCTL(SIOCSIWNICKN) = rndis_iw_set_nick,
2093 IW_IOCTL(SIOCGIWNICKN) = rndis_iw_get_nick,
2094 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2095 IW_IOCTL(SIOCSIWRTS) = rndis_iw_set_rts,
2096 IW_IOCTL(SIOCGIWRTS) = rndis_iw_get_rts,
2097 IW_IOCTL(SIOCSIWFRAG) = rndis_iw_set_frag,
2098 IW_IOCTL(SIOCGIWFRAG) = rndis_iw_get_frag,
2099 IW_IOCTL(SIOCSIWTXPOW) = rndis_iw_set_txpower,
2100 IW_IOCTL(SIOCGIWTXPOW) = rndis_iw_get_txpower,
2101 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2102 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2103 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2104 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2105 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2106 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2107 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2108 };
2109
2110 static const iw_handler rndis_wext_private_handler[] = {
2111 };
2112
2113 static const struct iw_priv_args rndis_wext_private_args[] = {
2114 };
2115
2116
2117 static const struct iw_handler_def rndis_iw_handlers = {
2118 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2119 .num_private = ARRAY_SIZE(rndis_wext_private_handler),
2120 .num_private_args = ARRAY_SIZE(rndis_wext_private_args),
2121 .standard = (iw_handler *)rndis_iw_handler,
2122 .private = (iw_handler *)rndis_wext_private_handler,
2123 .private_args = (struct iw_priv_args *)rndis_wext_private_args,
2124 .get_wireless_stats = rndis_get_wireless_stats,
2125 };
2126
2127
2128 static void rndis_wext_worker(struct work_struct *work)
2129 {
2130 struct rndis_wext_private *priv =
2131 container_of(work, struct rndis_wext_private, work);
2132 struct usbnet *usbdev = priv->usbdev;
2133 union iwreq_data evt;
2134 unsigned char bssid[ETH_ALEN];
2135 struct ndis_80211_assoc_info *info;
2136 int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
2137 int ret, offset;
2138
2139 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
2140 netif_carrier_on(usbdev->net);
2141
2142 info = kzalloc(assoc_size, GFP_KERNEL);
2143 if (!info)
2144 goto get_bssid;
2145
2146 /* Get association info IEs from device and send them back to
2147 * userspace. */
2148 ret = get_association_info(usbdev, info, assoc_size);
2149 if (!ret) {
2150 evt.data.length = le32_to_cpu(info->req_ie_length);
2151 if (evt.data.length > 0) {
2152 offset = le32_to_cpu(info->offset_req_ies);
2153 wireless_send_event(usbdev->net,
2154 IWEVASSOCREQIE, &evt,
2155 (char *)info + offset);
2156 }
2157
2158 evt.data.length = le32_to_cpu(info->resp_ie_length);
2159 if (evt.data.length > 0) {
2160 offset = le32_to_cpu(info->offset_resp_ies);
2161 wireless_send_event(usbdev->net,
2162 IWEVASSOCRESPIE, &evt,
2163 (char *)info + offset);
2164 }
2165 }
2166
2167 kfree(info);
2168
2169 get_bssid:
2170 ret = get_bssid(usbdev, bssid);
2171 if (!ret) {
2172 evt.data.flags = 0;
2173 evt.data.length = 0;
2174 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2175 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2176 }
2177 }
2178
2179 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
2180 netif_carrier_off(usbdev->net);
2181
2182 evt.data.flags = 0;
2183 evt.data.length = 0;
2184 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2185 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2186 }
2187
2188 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2189 set_multicast_list(usbdev);
2190 }
2191
2192 static void rndis_wext_set_multicast_list(struct net_device *dev)
2193 {
2194 struct usbnet *usbdev = netdev_priv(dev);
2195 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2196
2197 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2198 return;
2199
2200 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2201 queue_work(priv->workqueue, &priv->work);
2202 }
2203
2204 static void rndis_wext_link_change(struct usbnet *usbdev, int state)
2205 {
2206 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2207
2208 /* queue work to avoid recursive calls into rndis_command */
2209 set_bit(state ? WORK_LINK_UP : WORK_LINK_DOWN, &priv->work_pending);
2210 queue_work(priv->workqueue, &priv->work);
2211 }
2212
2213
2214 static int rndis_wext_get_caps(struct usbnet *usbdev)
2215 {
2216 struct {
2217 __le32 num_items;
2218 __le32 items[8];
2219 } networks_supported;
2220 int len, retval, i, n;
2221 __le32 tx_power;
2222 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2223
2224 /* determine if supports setting txpower */
2225 len = sizeof(tx_power);
2226 retval = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, &tx_power,
2227 &len);
2228 if (retval == 0 && le32_to_cpu(tx_power) != 0xFF)
2229 priv->caps |= CAP_SUPPORT_TXPOWER;
2230
2231 /* determine supported modes */
2232 len = sizeof(networks_supported);
2233 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2234 &networks_supported, &len);
2235 if (retval >= 0) {
2236 n = le32_to_cpu(networks_supported.num_items);
2237 if (n > 8)
2238 n = 8;
2239 for (i = 0; i < n; i++) {
2240 switch (le32_to_cpu(networks_supported.items[i])) {
2241 case ndis_80211_type_freq_hop:
2242 case ndis_80211_type_direct_seq:
2243 priv->caps |= CAP_MODE_80211B;
2244 break;
2245 case ndis_80211_type_ofdm_a:
2246 priv->caps |= CAP_MODE_80211A;
2247 break;
2248 case ndis_80211_type_ofdm_g:
2249 priv->caps |= CAP_MODE_80211G;
2250 break;
2251 }
2252 }
2253 }
2254
2255 return retval;
2256 }
2257
2258
2259 #define STATS_UPDATE_JIFFIES (HZ)
2260 static void rndis_update_wireless_stats(struct work_struct *work)
2261 {
2262 struct rndis_wext_private *priv =
2263 container_of(work, struct rndis_wext_private, stats_work.work);
2264 struct usbnet *usbdev = priv->usbdev;
2265 struct iw_statistics iwstats;
2266 __le32 rssi, tmp;
2267 int len, ret, j;
2268 unsigned long flags;
2269 int update_jiffies = STATS_UPDATE_JIFFIES;
2270 void *buf;
2271
2272 spin_lock_irqsave(&priv->stats_lock, flags);
2273 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2274 spin_unlock_irqrestore(&priv->stats_lock, flags);
2275
2276 /* only update stats when connected */
2277 if (!is_associated(usbdev)) {
2278 iwstats.qual.qual = 0;
2279 iwstats.qual.level = 0;
2280 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2281 | IW_QUAL_LEVEL_UPDATED
2282 | IW_QUAL_NOISE_INVALID
2283 | IW_QUAL_QUAL_INVALID
2284 | IW_QUAL_LEVEL_INVALID;
2285 goto end;
2286 }
2287
2288 len = sizeof(rssi);
2289 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2290
2291 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2292 le32_to_cpu(rssi));
2293 if (ret == 0) {
2294 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2295 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
2296 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
2297 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2298 | IW_QUAL_LEVEL_UPDATED
2299 | IW_QUAL_NOISE_INVALID;
2300 }
2301
2302 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2303
2304 len = sizeof(tmp);
2305 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2306 if (ret == 0)
2307 iwstats.discard.misc += le32_to_cpu(tmp);
2308
2309 len = sizeof(tmp);
2310 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2311 if (ret == 0)
2312 iwstats.discard.misc += le32_to_cpu(tmp);
2313
2314 len = sizeof(tmp);
2315 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2316 if (ret == 0)
2317 iwstats.discard.misc += le32_to_cpu(tmp);
2318
2319 /* Workaround transfer stalls on poor quality links.
2320 * TODO: find right way to fix these stalls (as stalls do not happen
2321 * with ndiswrapper/windows driver). */
2322 if (iwstats.qual.qual <= 25) {
2323 /* Decrease stats worker interval to catch stalls.
2324 * faster. Faster than 400-500ms causes packet loss,
2325 * Slower doesn't catch stalls fast enough.
2326 */
2327 j = msecs_to_jiffies(priv->param_workaround_interval);
2328 if (j > STATS_UPDATE_JIFFIES)
2329 j = STATS_UPDATE_JIFFIES;
2330 else if (j <= 0)
2331 j = 1;
2332 update_jiffies = j;
2333
2334 /* Send scan OID. Use of both OIDs is required to get device
2335 * working.
2336 */
2337 tmp = cpu_to_le32(1);
2338 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2339 sizeof(tmp));
2340
2341 len = CONTROL_BUFFER_SIZE;
2342 buf = kmalloc(len, GFP_KERNEL);
2343 if (!buf)
2344 goto end;
2345
2346 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2347 kfree(buf);
2348 }
2349 end:
2350 spin_lock_irqsave(&priv->stats_lock, flags);
2351 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2352 spin_unlock_irqrestore(&priv->stats_lock, flags);
2353
2354 if (update_jiffies >= HZ)
2355 update_jiffies = round_jiffies_relative(update_jiffies);
2356 else {
2357 j = round_jiffies_relative(update_jiffies);
2358 if (abs(j - update_jiffies) <= 10)
2359 update_jiffies = j;
2360 }
2361
2362 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2363 }
2364
2365
2366 static int bcm4320_early_init(struct usbnet *usbdev)
2367 {
2368 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2369 char buf[8];
2370
2371 /* Early initialization settings, setting these won't have effect
2372 * if called after generic_rndis_bind().
2373 */
2374
2375 priv->param_country[0] = modparam_country[0];
2376 priv->param_country[1] = modparam_country[1];
2377 priv->param_country[2] = 0;
2378 priv->param_frameburst = modparam_frameburst;
2379 priv->param_afterburner = modparam_afterburner;
2380 priv->param_power_save = modparam_power_save;
2381 priv->param_power_output = modparam_power_output;
2382 priv->param_roamtrigger = modparam_roamtrigger;
2383 priv->param_roamdelta = modparam_roamdelta;
2384
2385 priv->param_country[0] = toupper(priv->param_country[0]);
2386 priv->param_country[1] = toupper(priv->param_country[1]);
2387 /* doesn't support EU as country code, use FI instead */
2388 if (!strcmp(priv->param_country, "EU"))
2389 strcpy(priv->param_country, "FI");
2390
2391 if (priv->param_power_save < 0)
2392 priv->param_power_save = 0;
2393 else if (priv->param_power_save > 2)
2394 priv->param_power_save = 2;
2395
2396 if (priv->param_power_output < 0)
2397 priv->param_power_output = 0;
2398 else if (priv->param_power_output > 3)
2399 priv->param_power_output = 3;
2400
2401 if (priv->param_roamtrigger < -80)
2402 priv->param_roamtrigger = -80;
2403 else if (priv->param_roamtrigger > -60)
2404 priv->param_roamtrigger = -60;
2405
2406 if (priv->param_roamdelta < 0)
2407 priv->param_roamdelta = 0;
2408 else if (priv->param_roamdelta > 2)
2409 priv->param_roamdelta = 2;
2410
2411 if (modparam_workaround_interval < 0)
2412 priv->param_workaround_interval = 500;
2413 else
2414 priv->param_workaround_interval = modparam_workaround_interval;
2415
2416 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2417 rndis_set_config_parameter_str(usbdev, "FrameBursting",
2418 priv->param_frameburst ? "1" : "0");
2419 rndis_set_config_parameter_str(usbdev, "Afterburner",
2420 priv->param_afterburner ? "1" : "0");
2421 sprintf(buf, "%d", priv->param_power_save);
2422 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
2423 sprintf(buf, "%d", priv->param_power_output);
2424 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
2425 sprintf(buf, "%d", priv->param_roamtrigger);
2426 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
2427 sprintf(buf, "%d", priv->param_roamdelta);
2428 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
2429
2430 return 0;
2431 }
2432
2433 /* same as rndis_netdev_ops but with local multicast handler */
2434 static const struct net_device_ops rndis_wext_netdev_ops = {
2435 .ndo_open = usbnet_open,
2436 .ndo_stop = usbnet_stop,
2437 .ndo_start_xmit = usbnet_start_xmit,
2438 .ndo_tx_timeout = usbnet_tx_timeout,
2439 .ndo_set_mac_address = eth_mac_addr,
2440 .ndo_validate_addr = eth_validate_addr,
2441 .ndo_set_multicast_list = rndis_wext_set_multicast_list,
2442 };
2443
2444
2445 static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf)
2446 {
2447 struct wiphy *wiphy;
2448 struct rndis_wext_private *priv;
2449 int retval, len;
2450 __le32 tmp;
2451
2452 /* allocate wiphy and rndis private data
2453 * NOTE: We only support a single virtual interface, so wiphy
2454 * and wireless_dev are somewhat synonymous for this device.
2455 */
2456 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wext_private));
2457 if (!wiphy)
2458 return -ENOMEM;
2459
2460 priv = wiphy_priv(wiphy);
2461 usbdev->net->ieee80211_ptr = &priv->wdev;
2462 priv->wdev.wiphy = wiphy;
2463 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2464
2465 /* These have to be initialized before calling generic_rndis_bind().
2466 * Otherwise we'll be in big trouble in rndis_wext_early_init().
2467 */
2468 usbdev->driver_priv = priv;
2469 usbdev->net->wireless_handlers = &rndis_iw_handlers;
2470 priv->usbdev = usbdev;
2471
2472 mutex_init(&priv->command_lock);
2473 spin_lock_init(&priv->stats_lock);
2474
2475 /* try bind rndis_host */
2476 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2477 if (retval < 0)
2478 goto fail;
2479
2480 /* generic_rndis_bind set packet filter to multicast_all+
2481 * promisc mode which doesn't work well for our devices (device
2482 * picks up rssi to closest station instead of to access point).
2483 *
2484 * rndis_host wants to avoid all OID as much as possible
2485 * so do promisc/multicast handling in rndis_wext.
2486 */
2487 usbdev->net->netdev_ops = &rndis_wext_netdev_ops;
2488
2489 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2490 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2491 sizeof(tmp));
2492
2493 len = sizeof(tmp);
2494 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2495 &len);
2496 priv->multicast_size = le32_to_cpu(tmp);
2497 if (retval < 0 || priv->multicast_size < 0)
2498 priv->multicast_size = 0;
2499 if (priv->multicast_size > 0)
2500 usbdev->net->flags |= IFF_MULTICAST;
2501 else
2502 usbdev->net->flags &= ~IFF_MULTICAST;
2503
2504 priv->iwstats.qual.qual = 0;
2505 priv->iwstats.qual.level = 0;
2506 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2507 | IW_QUAL_LEVEL_UPDATED
2508 | IW_QUAL_NOISE_INVALID
2509 | IW_QUAL_QUAL_INVALID
2510 | IW_QUAL_LEVEL_INVALID;
2511
2512 /* fill-out wiphy structure and register w/ cfg80211 */
2513 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2514 wiphy->privid = rndis_wiphy_privid;
2515 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2516 | BIT(NL80211_IFTYPE_ADHOC);
2517 wiphy->max_scan_ssids = 1;
2518
2519 /* TODO: fill-out band information based on priv->caps */
2520 rndis_wext_get_caps(usbdev);
2521
2522 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2523 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2524 priv->band.channels = priv->channels;
2525 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2526 priv->band.bitrates = priv->rates;
2527 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2528 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
2529 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2530
2531 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2532
2533 if (wiphy_register(wiphy)) {
2534 wiphy_free(wiphy);
2535 return -ENODEV;
2536 }
2537
2538 set_default_iw_params(usbdev);
2539
2540 /* turn radio on */
2541 priv->radio_on = 1;
2542 disassociate(usbdev, 1);
2543 netif_carrier_off(usbdev->net);
2544
2545 /* because rndis_command() sleeps we need to use workqueue */
2546 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2547 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2548 queue_delayed_work(priv->workqueue, &priv->stats_work,
2549 round_jiffies_relative(STATS_UPDATE_JIFFIES));
2550 INIT_WORK(&priv->work, rndis_wext_worker);
2551
2552 return 0;
2553
2554 fail:
2555 kfree(priv);
2556 return retval;
2557 }
2558
2559
2560 static void rndis_wext_unbind(struct usbnet *usbdev, struct usb_interface *intf)
2561 {
2562 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2563
2564 /* turn radio off */
2565 disassociate(usbdev, 0);
2566
2567 cancel_delayed_work_sync(&priv->stats_work);
2568 cancel_work_sync(&priv->work);
2569 flush_workqueue(priv->workqueue);
2570 destroy_workqueue(priv->workqueue);
2571
2572 if (priv && priv->wpa_ie_len)
2573 kfree(priv->wpa_ie);
2574
2575 rndis_unbind(usbdev, intf);
2576
2577 wiphy_unregister(priv->wdev.wiphy);
2578 wiphy_free(priv->wdev.wiphy);
2579 }
2580
2581
2582 static int rndis_wext_reset(struct usbnet *usbdev)
2583 {
2584 return deauthenticate(usbdev);
2585 }
2586
2587
2588 static const struct driver_info bcm4320b_info = {
2589 .description = "Wireless RNDIS device, BCM4320b based",
2590 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2591 .bind = rndis_wext_bind,
2592 .unbind = rndis_wext_unbind,
2593 .status = rndis_status,
2594 .rx_fixup = rndis_rx_fixup,
2595 .tx_fixup = rndis_tx_fixup,
2596 .reset = rndis_wext_reset,
2597 .early_init = bcm4320_early_init,
2598 .link_change = rndis_wext_link_change,
2599 };
2600
2601 static const struct driver_info bcm4320a_info = {
2602 .description = "Wireless RNDIS device, BCM4320a based",
2603 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2604 .bind = rndis_wext_bind,
2605 .unbind = rndis_wext_unbind,
2606 .status = rndis_status,
2607 .rx_fixup = rndis_rx_fixup,
2608 .tx_fixup = rndis_tx_fixup,
2609 .reset = rndis_wext_reset,
2610 .early_init = bcm4320_early_init,
2611 .link_change = rndis_wext_link_change,
2612 };
2613
2614 static const struct driver_info rndis_wext_info = {
2615 .description = "Wireless RNDIS device",
2616 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2617 .bind = rndis_wext_bind,
2618 .unbind = rndis_wext_unbind,
2619 .status = rndis_status,
2620 .rx_fixup = rndis_rx_fixup,
2621 .tx_fixup = rndis_tx_fixup,
2622 .reset = rndis_wext_reset,
2623 .early_init = bcm4320_early_init,
2624 .link_change = rndis_wext_link_change,
2625 };
2626
2627 /*-------------------------------------------------------------------------*/
2628
2629 static const struct usb_device_id products [] = {
2630 #define RNDIS_MASTER_INTERFACE \
2631 .bInterfaceClass = USB_CLASS_COMM, \
2632 .bInterfaceSubClass = 2 /* ACM */, \
2633 .bInterfaceProtocol = 0x0ff
2634
2635 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2636 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2637 */
2638 {
2639 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2640 | USB_DEVICE_ID_MATCH_DEVICE,
2641 .idVendor = 0x0411,
2642 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2643 RNDIS_MASTER_INTERFACE,
2644 .driver_info = (unsigned long) &bcm4320b_info,
2645 }, {
2646 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2647 | USB_DEVICE_ID_MATCH_DEVICE,
2648 .idVendor = 0x0baf,
2649 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2650 RNDIS_MASTER_INTERFACE,
2651 .driver_info = (unsigned long) &bcm4320b_info,
2652 }, {
2653 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2654 | USB_DEVICE_ID_MATCH_DEVICE,
2655 .idVendor = 0x050d,
2656 .idProduct = 0x011b, /* Belkin F5D7051 */
2657 RNDIS_MASTER_INTERFACE,
2658 .driver_info = (unsigned long) &bcm4320b_info,
2659 }, {
2660 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2661 | USB_DEVICE_ID_MATCH_DEVICE,
2662 .idVendor = 0x1799, /* Belkin has two vendor ids */
2663 .idProduct = 0x011b, /* Belkin F5D7051 */
2664 RNDIS_MASTER_INTERFACE,
2665 .driver_info = (unsigned long) &bcm4320b_info,
2666 }, {
2667 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2668 | USB_DEVICE_ID_MATCH_DEVICE,
2669 .idVendor = 0x13b1,
2670 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2671 RNDIS_MASTER_INTERFACE,
2672 .driver_info = (unsigned long) &bcm4320b_info,
2673 }, {
2674 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2675 | USB_DEVICE_ID_MATCH_DEVICE,
2676 .idVendor = 0x13b1,
2677 .idProduct = 0x0026, /* Linksys WUSB54GSC */
2678 RNDIS_MASTER_INTERFACE,
2679 .driver_info = (unsigned long) &bcm4320b_info,
2680 }, {
2681 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2682 | USB_DEVICE_ID_MATCH_DEVICE,
2683 .idVendor = 0x0b05,
2684 .idProduct = 0x1717, /* Asus WL169gE */
2685 RNDIS_MASTER_INTERFACE,
2686 .driver_info = (unsigned long) &bcm4320b_info,
2687 }, {
2688 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2689 | USB_DEVICE_ID_MATCH_DEVICE,
2690 .idVendor = 0x0a5c,
2691 .idProduct = 0xd11b, /* Eminent EM4045 */
2692 RNDIS_MASTER_INTERFACE,
2693 .driver_info = (unsigned long) &bcm4320b_info,
2694 }, {
2695 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2696 | USB_DEVICE_ID_MATCH_DEVICE,
2697 .idVendor = 0x1690,
2698 .idProduct = 0x0715, /* BT Voyager 1055 */
2699 RNDIS_MASTER_INTERFACE,
2700 .driver_info = (unsigned long) &bcm4320b_info,
2701 },
2702 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
2703 * parameters available, hardware probably contain older firmware version with
2704 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
2705 */
2706 {
2707 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2708 | USB_DEVICE_ID_MATCH_DEVICE,
2709 .idVendor = 0x13b1,
2710 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
2711 RNDIS_MASTER_INTERFACE,
2712 .driver_info = (unsigned long) &bcm4320a_info,
2713 }, {
2714 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2715 | USB_DEVICE_ID_MATCH_DEVICE,
2716 .idVendor = 0x0baf,
2717 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
2718 RNDIS_MASTER_INTERFACE,
2719 .driver_info = (unsigned long) &bcm4320a_info,
2720 }, {
2721 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2722 | USB_DEVICE_ID_MATCH_DEVICE,
2723 .idVendor = 0x0411,
2724 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
2725 RNDIS_MASTER_INTERFACE,
2726 .driver_info = (unsigned long) &bcm4320a_info,
2727 },
2728 /* Generic Wireless RNDIS devices that we don't have exact
2729 * idVendor/idProduct/chip yet.
2730 */
2731 {
2732 /* RNDIS is MSFT's un-official variant of CDC ACM */
2733 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
2734 .driver_info = (unsigned long) &rndis_wext_info,
2735 }, {
2736 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
2737 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
2738 .driver_info = (unsigned long) &rndis_wext_info,
2739 },
2740 { }, // END
2741 };
2742 MODULE_DEVICE_TABLE(usb, products);
2743
2744 static struct usb_driver rndis_wlan_driver = {
2745 .name = "rndis_wlan",
2746 .id_table = products,
2747 .probe = usbnet_probe,
2748 .disconnect = usbnet_disconnect,
2749 .suspend = usbnet_suspend,
2750 .resume = usbnet_resume,
2751 };
2752
2753 static int __init rndis_wlan_init(void)
2754 {
2755 return usb_register(&rndis_wlan_driver);
2756 }
2757 module_init(rndis_wlan_init);
2758
2759 static void __exit rndis_wlan_exit(void)
2760 {
2761 usb_deregister(&rndis_wlan_driver);
2762 }
2763 module_exit(rndis_wlan_exit);
2764
2765 MODULE_AUTHOR("Bjorge Dijkstra");
2766 MODULE_AUTHOR("Jussi Kivilinna");
2767 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
2768 MODULE_LICENSE("GPL");
2769
Verdex Pro support