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rndis_wlan: handle 802.11 indications from device
[deliverable/linux.git] / drivers / net / wireless / rndis_wlan.c
1 /*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
5 * Copyright (C) 2008-2009 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/cfg80211.h>
46 #include <linux/usb/usbnet.h>
47 #include <linux/usb/rndis_host.h>
48
49
50 /* NOTE: All these are settings for Broadcom chipset */
51 static char modparam_country[4] = "EU";
52 module_param_string(country, modparam_country, 4, 0444);
53 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
54
55 static int modparam_frameburst = 1;
56 module_param_named(frameburst, modparam_frameburst, int, 0444);
57 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
58
59 static int modparam_afterburner = 0;
60 module_param_named(afterburner, modparam_afterburner, int, 0444);
61 MODULE_PARM_DESC(afterburner,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
63
64 static int modparam_power_save = 0;
65 module_param_named(power_save, modparam_power_save, int, 0444);
66 MODULE_PARM_DESC(power_save,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
68
69 static int modparam_power_output = 3;
70 module_param_named(power_output, modparam_power_output, int, 0444);
71 MODULE_PARM_DESC(power_output,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
73
74 static int modparam_roamtrigger = -70;
75 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
76 MODULE_PARM_DESC(roamtrigger,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
79
80 static int modparam_roamdelta = 1;
81 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
82 MODULE_PARM_DESC(roamdelta,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
85
86 static int modparam_workaround_interval = 500;
87 module_param_named(workaround_interval, modparam_workaround_interval,
88 int, 0444);
89 MODULE_PARM_DESC(workaround_interval,
90 "set stall workaround interval in msecs (default: 500)");
91
92
93 /* various RNDIS OID defs */
94 #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
95 #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
96
97 #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
98 #define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
99 #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
100 #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
101 #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
102
103 #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
104 #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
105 #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
106
107 #define OID_802_11_BSSID cpu_to_le32(0x0d010101)
108 #define OID_802_11_SSID cpu_to_le32(0x0d010102)
109 #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
110 #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
111 #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
112 #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
113 #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
114 #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
115 #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
116 #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
117 #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
118 #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
119 #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
120 #define OID_802_11_PMKID cpu_to_le32(0x0d010123)
121 #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
122 #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
123 #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
124 #define OID_802_11_RSSI cpu_to_le32(0x0d010206)
125 #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
126 #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
127 #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
128 #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
129 #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
130 #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
131
132
133 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
134 #define WL_NOISE -96 /* typical noise level in dBm */
135 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
136
137
138 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
139 * based on wireless rndis) has default txpower of 13dBm.
140 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
141 * 100% : 20 mW ~ 13dBm
142 * 75% : 15 mW ~ 12dBm
143 * 50% : 10 mW ~ 10dBm
144 * 25% : 5 mW ~ 7dBm
145 */
146 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
147 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
148 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
149 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
150
151
152 /* codes for "status" field of completion messages */
153 #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
154 #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
155
156
157 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
158 * slightly modified for datatype endianess, etc
159 */
160 #define NDIS_802_11_LENGTH_SSID 32
161 #define NDIS_802_11_LENGTH_RATES 8
162 #define NDIS_802_11_LENGTH_RATES_EX 16
163
164 enum ndis_80211_net_type {
165 NDIS_80211_TYPE_FREQ_HOP,
166 NDIS_80211_TYPE_DIRECT_SEQ,
167 NDIS_80211_TYPE_OFDM_A,
168 NDIS_80211_TYPE_OFDM_G
169 };
170
171 enum ndis_80211_net_infra {
172 NDIS_80211_INFRA_ADHOC,
173 NDIS_80211_INFRA_INFRA,
174 NDIS_80211_INFRA_AUTO_UNKNOWN
175 };
176
177 enum ndis_80211_auth_mode {
178 NDIS_80211_AUTH_OPEN,
179 NDIS_80211_AUTH_SHARED,
180 NDIS_80211_AUTH_AUTO_SWITCH,
181 NDIS_80211_AUTH_WPA,
182 NDIS_80211_AUTH_WPA_PSK,
183 NDIS_80211_AUTH_WPA_NONE,
184 NDIS_80211_AUTH_WPA2,
185 NDIS_80211_AUTH_WPA2_PSK
186 };
187
188 enum ndis_80211_encr_status {
189 NDIS_80211_ENCR_WEP_ENABLED,
190 NDIS_80211_ENCR_DISABLED,
191 NDIS_80211_ENCR_WEP_KEY_ABSENT,
192 NDIS_80211_ENCR_NOT_SUPPORTED,
193 NDIS_80211_ENCR_TKIP_ENABLED,
194 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
195 NDIS_80211_ENCR_CCMP_ENABLED,
196 NDIS_80211_ENCR_CCMP_KEY_ABSENT
197 };
198
199 enum ndis_80211_priv_filter {
200 NDIS_80211_PRIV_ACCEPT_ALL,
201 NDIS_80211_PRIV_8021X_WEP
202 };
203
204 enum ndis_80211_status_type {
205 NDIS_80211_STATUSTYPE_AUTHENTICATION,
206 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
207 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
208 NDIS_80211_STATUSTYPE_RADIOSTATE,
209 };
210
211 enum ndis_80211_media_stream_mode {
212 NDIS_80211_MEDIA_STREAM_OFF,
213 NDIS_80211_MEDIA_STREAM_ON
214 };
215
216 enum ndis_80211_radio_status {
217 NDIS_80211_RADIO_STATUS_ON,
218 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
219 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
220 };
221
222 enum ndis_80211_addkey_bits {
223 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
224 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
225 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
226 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
227 };
228
229 enum ndis_80211_addwep_bits {
230 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
231 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
232 };
233
234 struct ndis_80211_auth_request {
235 __le32 length;
236 u8 bssid[6];
237 u8 padding[2];
238 __le32 flags;
239 } __attribute__((packed));
240
241 struct ndis_80211_pmkid_candidate {
242 u8 bssid[6];
243 u8 padding[2];
244 __le32 flags;
245 } __attribute__((packed));
246
247 struct ndis_80211_pmkid_cand_list {
248 __le32 version;
249 __le32 num_candidates;
250 struct ndis_80211_pmkid_candidate candidate_list[0];
251 } __attribute__((packed));
252
253 struct ndis_80211_status_indication {
254 __le32 status_type;
255 union {
256 enum ndis_80211_media_stream_mode media_stream_mode;
257 enum ndis_80211_radio_status radio_status;
258 struct ndis_80211_auth_request auth_request[0];
259 struct ndis_80211_pmkid_cand_list cand_list;
260 } u;
261 } __attribute__((packed));
262
263 struct ndis_80211_ssid {
264 __le32 length;
265 u8 essid[NDIS_802_11_LENGTH_SSID];
266 } __attribute__((packed));
267
268 struct ndis_80211_conf_freq_hop {
269 __le32 length;
270 __le32 hop_pattern;
271 __le32 hop_set;
272 __le32 dwell_time;
273 } __attribute__((packed));
274
275 struct ndis_80211_conf {
276 __le32 length;
277 __le32 beacon_period;
278 __le32 atim_window;
279 __le32 ds_config;
280 struct ndis_80211_conf_freq_hop fh_config;
281 } __attribute__((packed));
282
283 struct ndis_80211_bssid_ex {
284 __le32 length;
285 u8 mac[6];
286 u8 padding[2];
287 struct ndis_80211_ssid ssid;
288 __le32 privacy;
289 __le32 rssi;
290 __le32 net_type;
291 struct ndis_80211_conf config;
292 __le32 net_infra;
293 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
294 __le32 ie_length;
295 u8 ies[0];
296 } __attribute__((packed));
297
298 struct ndis_80211_bssid_list_ex {
299 __le32 num_items;
300 struct ndis_80211_bssid_ex bssid[0];
301 } __attribute__((packed));
302
303 struct ndis_80211_fixed_ies {
304 u8 timestamp[8];
305 __le16 beacon_interval;
306 __le16 capabilities;
307 } __attribute__((packed));
308
309 struct ndis_80211_wep_key {
310 __le32 size;
311 __le32 index;
312 __le32 length;
313 u8 material[32];
314 } __attribute__((packed));
315
316 struct ndis_80211_key {
317 __le32 size;
318 __le32 index;
319 __le32 length;
320 u8 bssid[6];
321 u8 padding[6];
322 u8 rsc[8];
323 u8 material[32];
324 } __attribute__((packed));
325
326 struct ndis_80211_remove_key {
327 __le32 size;
328 __le32 index;
329 u8 bssid[6];
330 } __attribute__((packed));
331
332 struct ndis_config_param {
333 __le32 name_offs;
334 __le32 name_length;
335 __le32 type;
336 __le32 value_offs;
337 __le32 value_length;
338 } __attribute__((packed));
339
340 struct ndis_80211_assoc_info {
341 __le32 length;
342 __le16 req_ies;
343 struct req_ie {
344 __le16 capa;
345 __le16 listen_interval;
346 u8 cur_ap_address[6];
347 } req_ie;
348 __le32 req_ie_length;
349 __le32 offset_req_ies;
350 __le16 resp_ies;
351 struct resp_ie {
352 __le16 capa;
353 __le16 status_code;
354 __le16 assoc_id;
355 } resp_ie;
356 __le32 resp_ie_length;
357 __le32 offset_resp_ies;
358 } __attribute__((packed));
359
360 /* these have to match what is in wpa_supplicant */
361 enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
362 enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
363 CIPHER_WEP104 };
364 enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
365 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
366
367 /*
368 * private data
369 */
370 #define NET_TYPE_11FB 0
371
372 #define CAP_MODE_80211A 1
373 #define CAP_MODE_80211B 2
374 #define CAP_MODE_80211G 4
375 #define CAP_MODE_MASK 7
376
377 #define WORK_LINK_UP (1<<0)
378 #define WORK_LINK_DOWN (1<<1)
379 #define WORK_SET_MULTICAST_LIST (1<<2)
380
381 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
382
383 static const struct ieee80211_channel rndis_channels[] = {
384 { .center_freq = 2412 },
385 { .center_freq = 2417 },
386 { .center_freq = 2422 },
387 { .center_freq = 2427 },
388 { .center_freq = 2432 },
389 { .center_freq = 2437 },
390 { .center_freq = 2442 },
391 { .center_freq = 2447 },
392 { .center_freq = 2452 },
393 { .center_freq = 2457 },
394 { .center_freq = 2462 },
395 { .center_freq = 2467 },
396 { .center_freq = 2472 },
397 { .center_freq = 2484 },
398 };
399
400 static const struct ieee80211_rate rndis_rates[] = {
401 { .bitrate = 10 },
402 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
403 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
404 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
405 { .bitrate = 60 },
406 { .bitrate = 90 },
407 { .bitrate = 120 },
408 { .bitrate = 180 },
409 { .bitrate = 240 },
410 { .bitrate = 360 },
411 { .bitrate = 480 },
412 { .bitrate = 540 }
413 };
414
415 /* RNDIS device private data */
416 struct rndis_wlan_private {
417 struct usbnet *usbdev;
418
419 struct wireless_dev wdev;
420
421 struct cfg80211_scan_request *scan_request;
422
423 struct workqueue_struct *workqueue;
424 struct delayed_work stats_work;
425 struct delayed_work scan_work;
426 struct work_struct work;
427 struct mutex command_lock;
428 spinlock_t stats_lock;
429 unsigned long work_pending;
430
431 struct ieee80211_supported_band band;
432 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
433 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
434
435 struct iw_statistics iwstats;
436 struct iw_statistics privstats;
437
438 int caps;
439 int multicast_size;
440
441 /* module parameters */
442 char param_country[4];
443 int param_frameburst;
444 int param_afterburner;
445 int param_power_save;
446 int param_power_output;
447 int param_roamtrigger;
448 int param_roamdelta;
449 u32 param_workaround_interval;
450
451 /* hardware state */
452 int radio_on;
453 int infra_mode;
454 struct ndis_80211_ssid essid;
455
456 /* encryption stuff */
457 int encr_tx_key_index;
458 char encr_keys[4][32];
459 int encr_key_len[4];
460 char encr_key_wpa[4];
461 int wpa_version;
462 int wpa_keymgmt;
463 int wpa_authalg;
464 int wpa_ie_len;
465 u8 *wpa_ie;
466 int wpa_cipher_pair;
467 int wpa_cipher_group;
468
469 u8 command_buffer[COMMAND_BUFFER_SIZE];
470 };
471
472 /*
473 * cfg80211 ops
474 */
475 static int rndis_change_virtual_intf(struct wiphy *wiphy,
476 struct net_device *dev,
477 enum nl80211_iftype type, u32 *flags,
478 struct vif_params *params);
479
480 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
481 struct cfg80211_scan_request *request);
482
483 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
484
485 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
486 int dbm);
487 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
488
489 static struct cfg80211_ops rndis_config_ops = {
490 .change_virtual_intf = rndis_change_virtual_intf,
491 .scan = rndis_scan,
492 .set_wiphy_params = rndis_set_wiphy_params,
493 .set_tx_power = rndis_set_tx_power,
494 .get_tx_power = rndis_get_tx_power,
495 };
496
497 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
498
499
500 static const unsigned char zero_bssid[ETH_ALEN] = {0,};
501 static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
502 0xff, 0xff, 0xff };
503
504
505 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
506 {
507 return (struct rndis_wlan_private *)dev->driver_priv;
508 }
509
510
511 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
512 {
513 switch (priv->param_power_output) {
514 default:
515 case 3:
516 return BCM4320_DEFAULT_TXPOWER_DBM_100;
517 case 2:
518 return BCM4320_DEFAULT_TXPOWER_DBM_75;
519 case 1:
520 return BCM4320_DEFAULT_TXPOWER_DBM_50;
521 case 0:
522 return BCM4320_DEFAULT_TXPOWER_DBM_25;
523 }
524 }
525
526
527 #ifdef DEBUG
528 static const char *oid_to_string(__le32 oid)
529 {
530 switch (oid) {
531 #define OID_STR(oid) case oid: return(#oid)
532 /* from rndis_host.h */
533 OID_STR(OID_802_3_PERMANENT_ADDRESS);
534 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
535 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
536 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
537
538 /* from rndis_wlan.c */
539 OID_STR(OID_GEN_LINK_SPEED);
540 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
541
542 OID_STR(OID_GEN_XMIT_OK);
543 OID_STR(OID_GEN_RCV_OK);
544 OID_STR(OID_GEN_XMIT_ERROR);
545 OID_STR(OID_GEN_RCV_ERROR);
546 OID_STR(OID_GEN_RCV_NO_BUFFER);
547
548 OID_STR(OID_802_3_CURRENT_ADDRESS);
549 OID_STR(OID_802_3_MULTICAST_LIST);
550 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
551
552 OID_STR(OID_802_11_BSSID);
553 OID_STR(OID_802_11_SSID);
554 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
555 OID_STR(OID_802_11_ADD_WEP);
556 OID_STR(OID_802_11_REMOVE_WEP);
557 OID_STR(OID_802_11_DISASSOCIATE);
558 OID_STR(OID_802_11_AUTHENTICATION_MODE);
559 OID_STR(OID_802_11_PRIVACY_FILTER);
560 OID_STR(OID_802_11_BSSID_LIST_SCAN);
561 OID_STR(OID_802_11_ENCRYPTION_STATUS);
562 OID_STR(OID_802_11_ADD_KEY);
563 OID_STR(OID_802_11_REMOVE_KEY);
564 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
565 OID_STR(OID_802_11_PMKID);
566 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
567 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
568 OID_STR(OID_802_11_TX_POWER_LEVEL);
569 OID_STR(OID_802_11_RSSI);
570 OID_STR(OID_802_11_RSSI_TRIGGER);
571 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
572 OID_STR(OID_802_11_RTS_THRESHOLD);
573 OID_STR(OID_802_11_SUPPORTED_RATES);
574 OID_STR(OID_802_11_CONFIGURATION);
575 OID_STR(OID_802_11_BSSID_LIST);
576 #undef OID_STR
577 }
578
579 return "?";
580 }
581 #else
582 static const char *oid_to_string(__le32 oid)
583 {
584 return "?";
585 }
586 #endif
587
588
589 /* translate error code */
590 static int rndis_error_status(__le32 rndis_status)
591 {
592 int ret = -EINVAL;
593 switch (rndis_status) {
594 case RNDIS_STATUS_SUCCESS:
595 ret = 0;
596 break;
597 case RNDIS_STATUS_FAILURE:
598 case RNDIS_STATUS_INVALID_DATA:
599 ret = -EINVAL;
600 break;
601 case RNDIS_STATUS_NOT_SUPPORTED:
602 ret = -EOPNOTSUPP;
603 break;
604 case RNDIS_STATUS_ADAPTER_NOT_READY:
605 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
606 ret = -EBUSY;
607 break;
608 }
609 return ret;
610 }
611
612
613 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
614 {
615 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
616 union {
617 void *buf;
618 struct rndis_msg_hdr *header;
619 struct rndis_query *get;
620 struct rndis_query_c *get_c;
621 } u;
622 int ret, buflen;
623
624 buflen = *len + sizeof(*u.get);
625 if (buflen < CONTROL_BUFFER_SIZE)
626 buflen = CONTROL_BUFFER_SIZE;
627
628 if (buflen > COMMAND_BUFFER_SIZE) {
629 u.buf = kmalloc(buflen, GFP_KERNEL);
630 if (!u.buf)
631 return -ENOMEM;
632 } else {
633 u.buf = priv->command_buffer;
634 }
635
636 mutex_lock(&priv->command_lock);
637
638 memset(u.get, 0, sizeof *u.get);
639 u.get->msg_type = RNDIS_MSG_QUERY;
640 u.get->msg_len = cpu_to_le32(sizeof *u.get);
641 u.get->oid = oid;
642
643 ret = rndis_command(dev, u.header, buflen);
644 if (ret < 0)
645 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
646 "(%08x)", oid_to_string(oid), ret,
647 le32_to_cpu(u.get_c->status));
648
649 if (ret == 0) {
650 ret = le32_to_cpu(u.get_c->len);
651 *len = (*len > ret) ? ret : *len;
652 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
653 ret = rndis_error_status(u.get_c->status);
654
655 if (ret < 0)
656 devdbg(dev, "rndis_query_oid(%s): device returned "
657 "error, 0x%08x (%d)", oid_to_string(oid),
658 le32_to_cpu(u.get_c->status), ret);
659 }
660
661 mutex_unlock(&priv->command_lock);
662
663 if (u.buf != priv->command_buffer)
664 kfree(u.buf);
665 return ret;
666 }
667
668
669 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
670 {
671 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
672 union {
673 void *buf;
674 struct rndis_msg_hdr *header;
675 struct rndis_set *set;
676 struct rndis_set_c *set_c;
677 } u;
678 int ret, buflen;
679
680 buflen = len + sizeof(*u.set);
681 if (buflen < CONTROL_BUFFER_SIZE)
682 buflen = CONTROL_BUFFER_SIZE;
683
684 if (buflen > COMMAND_BUFFER_SIZE) {
685 u.buf = kmalloc(buflen, GFP_KERNEL);
686 if (!u.buf)
687 return -ENOMEM;
688 } else {
689 u.buf = priv->command_buffer;
690 }
691
692 mutex_lock(&priv->command_lock);
693
694 memset(u.set, 0, sizeof *u.set);
695 u.set->msg_type = RNDIS_MSG_SET;
696 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
697 u.set->oid = oid;
698 u.set->len = cpu_to_le32(len);
699 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
700 u.set->handle = cpu_to_le32(0);
701 memcpy(u.buf + sizeof(*u.set), data, len);
702
703 ret = rndis_command(dev, u.header, buflen);
704 if (ret < 0)
705 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
706 "(%08x)", oid_to_string(oid), ret,
707 le32_to_cpu(u.set_c->status));
708
709 if (ret == 0) {
710 ret = rndis_error_status(u.set_c->status);
711
712 if (ret < 0)
713 devdbg(dev, "rndis_set_oid(%s): device returned error, "
714 "0x%08x (%d)", oid_to_string(oid),
715 le32_to_cpu(u.set_c->status), ret);
716 }
717
718 mutex_unlock(&priv->command_lock);
719
720 if (u.buf != priv->command_buffer)
721 kfree(u.buf);
722 return ret;
723 }
724
725
726 static int rndis_reset(struct usbnet *usbdev)
727 {
728 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
729 struct rndis_reset *reset;
730 int ret;
731
732 mutex_lock(&priv->command_lock);
733
734 reset = (void *)priv->command_buffer;
735 memset(reset, 0, sizeof(*reset));
736 reset->msg_type = RNDIS_MSG_RESET;
737 reset->msg_len = cpu_to_le32(sizeof(*reset));
738 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
739
740 mutex_unlock(&priv->command_lock);
741
742 if (ret < 0)
743 return ret;
744 return 0;
745 }
746
747
748 /*
749 * Specs say that we can only set config parameters only soon after device
750 * initialization.
751 * value_type: 0 = u32, 2 = unicode string
752 */
753 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
754 int value_type, void *value)
755 {
756 struct ndis_config_param *infobuf;
757 int value_len, info_len, param_len, ret, i;
758 __le16 *unibuf;
759 __le32 *dst_value;
760
761 if (value_type == 0)
762 value_len = sizeof(__le32);
763 else if (value_type == 2)
764 value_len = strlen(value) * sizeof(__le16);
765 else
766 return -EINVAL;
767
768 param_len = strlen(param) * sizeof(__le16);
769 info_len = sizeof(*infobuf) + param_len + value_len;
770
771 #ifdef DEBUG
772 info_len += 12;
773 #endif
774 infobuf = kmalloc(info_len, GFP_KERNEL);
775 if (!infobuf)
776 return -ENOMEM;
777
778 #ifdef DEBUG
779 info_len -= 12;
780 /* extra 12 bytes are for padding (debug output) */
781 memset(infobuf, 0xCC, info_len + 12);
782 #endif
783
784 if (value_type == 2)
785 devdbg(dev, "setting config parameter: %s, value: %s",
786 param, (u8 *)value);
787 else
788 devdbg(dev, "setting config parameter: %s, value: %d",
789 param, *(u32 *)value);
790
791 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
792 infobuf->name_length = cpu_to_le32(param_len);
793 infobuf->type = cpu_to_le32(value_type);
794 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
795 infobuf->value_length = cpu_to_le32(value_len);
796
797 /* simple string to unicode string conversion */
798 unibuf = (void *)infobuf + sizeof(*infobuf);
799 for (i = 0; i < param_len / sizeof(__le16); i++)
800 unibuf[i] = cpu_to_le16(param[i]);
801
802 if (value_type == 2) {
803 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
804 for (i = 0; i < value_len / sizeof(__le16); i++)
805 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
806 } else {
807 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
808 *dst_value = cpu_to_le32(*(u32 *)value);
809 }
810
811 #ifdef DEBUG
812 devdbg(dev, "info buffer (len: %d):", info_len);
813 for (i = 0; i < info_len; i += 12) {
814 u32 *tmp = (u32 *)((u8 *)infobuf + i);
815 devdbg(dev, "%08X:%08X:%08X",
816 cpu_to_be32(tmp[0]),
817 cpu_to_be32(tmp[1]),
818 cpu_to_be32(tmp[2]));
819 }
820 #endif
821
822 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
823 infobuf, info_len);
824 if (ret != 0)
825 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
826
827 kfree(infobuf);
828 return ret;
829 }
830
831 static int rndis_set_config_parameter_str(struct usbnet *dev,
832 char *param, char *value)
833 {
834 return(rndis_set_config_parameter(dev, param, 2, value));
835 }
836
837 /*static int rndis_set_config_parameter_u32(struct usbnet *dev,
838 char *param, u32 value)
839 {
840 return(rndis_set_config_parameter(dev, param, 0, &value));
841 }*/
842
843
844 /*
845 * data conversion functions
846 */
847 static int level_to_qual(int level)
848 {
849 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
850 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
851 }
852
853
854 static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
855 {
856 freq->e = 0;
857 freq->i = 0;
858 freq->flags = 0;
859
860 /* see comment in wireless.h above the "struct iw_freq"
861 * definition for an explanation of this if
862 * NOTE: 1000000 is due to the kHz
863 */
864 if (dsconfig > 1000000) {
865 freq->m = dsconfig / 10;
866 freq->e = 1;
867 } else
868 freq->m = dsconfig;
869
870 /* convert from kHz to Hz */
871 freq->e += 3;
872 }
873
874
875 static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
876 {
877 if (freq->m < 1000 && freq->e == 0) {
878 if (freq->m >= 1 && freq->m <= 14)
879 *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
880 else
881 return -1;
882 } else {
883 int i;
884 *dsconfig = freq->m;
885 for (i = freq->e; i > 0; i--)
886 *dsconfig *= 10;
887 *dsconfig /= 1000;
888 }
889
890 return 0;
891 }
892
893
894 /*
895 * common functions
896 */
897 static int
898 add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index);
899
900 static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
901 {
902 int ret, len;
903
904 len = sizeof(*ssid);
905 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
906
907 if (ret != 0)
908 ssid->length = 0;
909
910 #ifdef DEBUG
911 {
912 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
913
914 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
915 tmp[le32_to_cpu(ssid->length)] = 0;
916 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
917 }
918 #endif
919 return ret;
920 }
921
922
923 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
924 {
925 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
926 int ret;
927
928 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
929 if (ret == 0) {
930 memcpy(&priv->essid, ssid, sizeof(priv->essid));
931 priv->radio_on = 1;
932 devdbg(usbdev, "set_essid: radio_on = 1");
933 }
934
935 return ret;
936 }
937
938
939 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
940 {
941 int ret, len;
942
943 len = ETH_ALEN;
944 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
945
946 if (ret != 0)
947 memset(bssid, 0, ETH_ALEN);
948
949 return ret;
950 }
951
952 static int get_association_info(struct usbnet *usbdev,
953 struct ndis_80211_assoc_info *info, int len)
954 {
955 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
956 info, &len);
957 }
958
959 static int is_associated(struct usbnet *usbdev)
960 {
961 u8 bssid[ETH_ALEN];
962 int ret;
963
964 ret = get_bssid(usbdev, bssid);
965
966 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
967 }
968
969
970 static int disassociate(struct usbnet *usbdev, int reset_ssid)
971 {
972 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
973 struct ndis_80211_ssid ssid;
974 int i, ret = 0;
975
976 if (priv->radio_on) {
977 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
978 if (ret == 0) {
979 priv->radio_on = 0;
980 devdbg(usbdev, "disassociate: radio_on = 0");
981
982 if (reset_ssid)
983 msleep(100);
984 }
985 }
986
987 /* disassociate causes radio to be turned off; if reset_ssid
988 * is given, set random ssid to enable radio */
989 if (reset_ssid) {
990 ssid.length = cpu_to_le32(sizeof(ssid.essid));
991 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
992 ssid.essid[0] = 0x1;
993 ssid.essid[1] = 0xff;
994 for (i = 2; i < sizeof(ssid.essid); i++)
995 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
996 ret = set_essid(usbdev, &ssid);
997 }
998 return ret;
999 }
1000
1001
1002 static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
1003 {
1004 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1005 __le32 tmp;
1006 int auth_mode, ret;
1007
1008 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1009 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
1010
1011 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
1012 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1013 auth_mode = NDIS_80211_AUTH_WPA2;
1014 else
1015 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1016 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
1017 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1018 auth_mode = NDIS_80211_AUTH_WPA;
1019 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
1020 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1021 else
1022 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1023 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
1024 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
1025 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
1026 else
1027 auth_mode = NDIS_80211_AUTH_SHARED;
1028 } else
1029 auth_mode = NDIS_80211_AUTH_OPEN;
1030
1031 tmp = cpu_to_le32(auth_mode);
1032 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1033 sizeof(tmp));
1034 if (ret != 0) {
1035 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1036 return ret;
1037 }
1038
1039 priv->wpa_version = wpa_version;
1040 priv->wpa_authalg = authalg;
1041 return 0;
1042 }
1043
1044
1045 static int set_priv_filter(struct usbnet *usbdev)
1046 {
1047 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1048 __le32 tmp;
1049
1050 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1051
1052 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
1053 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
1054 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1055 else
1056 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1057
1058 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1059 sizeof(tmp));
1060 }
1061
1062
1063 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1064 {
1065 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1066 __le32 tmp;
1067 int encr_mode, ret;
1068
1069 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1070 pairwise,
1071 groupwise);
1072
1073 if (pairwise & IW_AUTH_CIPHER_CCMP)
1074 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1075 else if (pairwise & IW_AUTH_CIPHER_TKIP)
1076 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1077 else if (pairwise &
1078 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
1079 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1080 else if (groupwise & IW_AUTH_CIPHER_CCMP)
1081 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1082 else if (groupwise & IW_AUTH_CIPHER_TKIP)
1083 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1084 else
1085 encr_mode = NDIS_80211_ENCR_DISABLED;
1086
1087 tmp = cpu_to_le32(encr_mode);
1088 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1089 sizeof(tmp));
1090 if (ret != 0) {
1091 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1092 return ret;
1093 }
1094
1095 priv->wpa_cipher_pair = pairwise;
1096 priv->wpa_cipher_group = groupwise;
1097 return 0;
1098 }
1099
1100
1101 static int set_assoc_params(struct usbnet *usbdev)
1102 {
1103 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1104
1105 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
1106 set_priv_filter(usbdev);
1107 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
1108
1109 return 0;
1110 }
1111
1112
1113 static int set_infra_mode(struct usbnet *usbdev, int mode)
1114 {
1115 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1116 __le32 tmp;
1117 int ret, i;
1118
1119 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1120
1121 tmp = cpu_to_le32(mode);
1122 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1123 sizeof(tmp));
1124 if (ret != 0) {
1125 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1126 return ret;
1127 }
1128
1129 /* NDIS drivers clear keys when infrastructure mode is
1130 * changed. But Linux tools assume otherwise. So set the
1131 * keys */
1132 if (priv->wpa_keymgmt == 0 ||
1133 priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) {
1134 for (i = 0; i < 4; i++) {
1135 if (priv->encr_key_len[i] > 0 && !priv->encr_key_wpa[i])
1136 add_wep_key(usbdev, priv->encr_keys[i],
1137 priv->encr_key_len[i], i);
1138 }
1139 }
1140
1141 priv->infra_mode = mode;
1142 return 0;
1143 }
1144
1145
1146 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1147 {
1148 __le32 tmp;
1149
1150 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1151
1152 if (rts_threshold < 0 || rts_threshold > 2347)
1153 rts_threshold = 2347;
1154
1155 tmp = cpu_to_le32(rts_threshold);
1156 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1157 sizeof(tmp));
1158 }
1159
1160
1161 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1162 {
1163 __le32 tmp;
1164
1165 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1166
1167 if (frag_threshold < 256 || frag_threshold > 2346)
1168 frag_threshold = 2346;
1169
1170 tmp = cpu_to_le32(frag_threshold);
1171 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1172 sizeof(tmp));
1173 }
1174
1175
1176 static void set_default_iw_params(struct usbnet *usbdev)
1177 {
1178 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1179
1180 priv->wpa_keymgmt = 0;
1181 priv->wpa_version = 0;
1182
1183 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1184 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1185 IW_AUTH_ALG_OPEN_SYSTEM);
1186 set_priv_filter(usbdev);
1187 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1188 }
1189
1190
1191 static int deauthenticate(struct usbnet *usbdev)
1192 {
1193 int ret;
1194
1195 ret = disassociate(usbdev, 1);
1196 set_default_iw_params(usbdev);
1197 return ret;
1198 }
1199
1200
1201 /* index must be 0 - N, as per NDIS */
1202 static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
1203 {
1204 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1205 struct ndis_80211_wep_key ndis_key;
1206 int ret;
1207
1208 if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4)
1209 return -EINVAL;
1210
1211 memset(&ndis_key, 0, sizeof(ndis_key));
1212
1213 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1214 ndis_key.length = cpu_to_le32(key_len);
1215 ndis_key.index = cpu_to_le32(index);
1216 memcpy(&ndis_key.material, key, key_len);
1217
1218 if (index == priv->encr_tx_key_index) {
1219 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1220 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
1221 IW_AUTH_CIPHER_NONE);
1222 if (ret)
1223 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1224 ret);
1225 }
1226
1227 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1228 sizeof(ndis_key));
1229 if (ret != 0) {
1230 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1231 index+1, ret);
1232 return ret;
1233 }
1234
1235 priv->encr_key_len[index] = key_len;
1236 priv->encr_key_wpa[index] = 0;
1237 memcpy(&priv->encr_keys[index], key, key_len);
1238
1239 return 0;
1240 }
1241
1242
1243 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1244 int index, const struct sockaddr *addr,
1245 const u8 *rx_seq, int alg, int flags)
1246 {
1247 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1248 struct ndis_80211_key ndis_key;
1249 int ret;
1250
1251 if (index < 0 || index >= 4)
1252 return -EINVAL;
1253 if (key_len > sizeof(ndis_key.material) || key_len < 0)
1254 return -EINVAL;
1255 if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq)
1256 return -EINVAL;
1257 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !addr)
1258 return -EINVAL;
1259
1260 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
1261 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1262 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1263 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1264
1265 memset(&ndis_key, 0, sizeof(ndis_key));
1266
1267 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1268 sizeof(ndis_key.material) + key_len);
1269 ndis_key.length = cpu_to_le32(key_len);
1270 ndis_key.index = cpu_to_le32(index) | flags;
1271
1272 if (alg == IW_ENCODE_ALG_TKIP && key_len == 32) {
1273 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1274 * different order than NDIS spec, so swap the order here. */
1275 memcpy(ndis_key.material, key, 16);
1276 memcpy(ndis_key.material + 16, key + 24, 8);
1277 memcpy(ndis_key.material + 24, key + 16, 8);
1278 } else
1279 memcpy(ndis_key.material, key, key_len);
1280
1281 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1282 memcpy(ndis_key.rsc, rx_seq, 6);
1283
1284 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1285 /* pairwise key */
1286 memcpy(ndis_key.bssid, addr->sa_data, ETH_ALEN);
1287 } else {
1288 /* group key */
1289 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1290 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1291 else
1292 get_bssid(usbdev, ndis_key.bssid);
1293 }
1294
1295 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1296 le32_to_cpu(ndis_key.size));
1297 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1298 if (ret != 0)
1299 return ret;
1300
1301 priv->encr_key_len[index] = key_len;
1302 priv->encr_key_wpa[index] = 1;
1303
1304 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1305 priv->encr_tx_key_index = index;
1306
1307 return 0;
1308 }
1309
1310
1311 /* remove_key is for both wep and wpa */
1312 static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1313 {
1314 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1315 struct ndis_80211_remove_key remove_key;
1316 __le32 keyindex;
1317 int ret;
1318
1319 if (priv->encr_key_len[index] == 0)
1320 return 0;
1321
1322 priv->encr_key_len[index] = 0;
1323 priv->encr_key_wpa[index] = 0;
1324 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1325
1326 if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP ||
1327 priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP ||
1328 priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP ||
1329 priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) {
1330 remove_key.size = cpu_to_le32(sizeof(remove_key));
1331 remove_key.index = cpu_to_le32(index);
1332 if (bssid) {
1333 /* pairwise key */
1334 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
1335 remove_key.index |=
1336 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1337 memcpy(remove_key.bssid, bssid,
1338 sizeof(remove_key.bssid));
1339 } else
1340 memset(remove_key.bssid, 0xff,
1341 sizeof(remove_key.bssid));
1342
1343 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1344 sizeof(remove_key));
1345 if (ret != 0)
1346 return ret;
1347 } else {
1348 keyindex = cpu_to_le32(index);
1349 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1350 sizeof(keyindex));
1351 if (ret != 0) {
1352 devwarn(usbdev,
1353 "removing encryption key %d failed (%08X)",
1354 index, ret);
1355 return ret;
1356 }
1357 }
1358
1359 /* if it is transmit key, disable encryption */
1360 if (index == priv->encr_tx_key_index)
1361 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1362
1363 return 0;
1364 }
1365
1366
1367 static void set_multicast_list(struct usbnet *usbdev)
1368 {
1369 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1370 struct dev_mc_list *mclist;
1371 __le32 filter;
1372 int ret, i, size;
1373 char *buf;
1374
1375 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1376
1377 if (usbdev->net->flags & IFF_PROMISC) {
1378 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1379 RNDIS_PACKET_TYPE_ALL_LOCAL;
1380 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1381 usbdev->net->mc_count > priv->multicast_size) {
1382 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1383 } else if (usbdev->net->mc_count > 0) {
1384 size = min(priv->multicast_size, usbdev->net->mc_count);
1385 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1386 if (!buf) {
1387 devwarn(usbdev,
1388 "couldn't alloc %d bytes of memory",
1389 size * ETH_ALEN);
1390 return;
1391 }
1392
1393 mclist = usbdev->net->mc_list;
1394 for (i = 0; i < size && mclist; mclist = mclist->next) {
1395 if (mclist->dmi_addrlen != ETH_ALEN)
1396 continue;
1397
1398 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1399 i++;
1400 }
1401
1402 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1403 i * ETH_ALEN);
1404 if (ret == 0 && i > 0)
1405 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1406 else
1407 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1408
1409 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1410 i, priv->multicast_size, ret);
1411
1412 kfree(buf);
1413 }
1414
1415 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1416 sizeof(filter));
1417 if (ret < 0) {
1418 devwarn(usbdev, "couldn't set packet filter: %08x",
1419 le32_to_cpu(filter));
1420 }
1421
1422 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1423 le32_to_cpu(filter), ret);
1424 }
1425
1426
1427 /*
1428 * cfg80211 ops
1429 */
1430 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1431 struct net_device *dev,
1432 enum nl80211_iftype type, u32 *flags,
1433 struct vif_params *params)
1434 {
1435 struct usbnet *usbdev = netdev_priv(dev);
1436 int mode;
1437
1438 switch (type) {
1439 case NL80211_IFTYPE_ADHOC:
1440 mode = NDIS_80211_INFRA_ADHOC;
1441 break;
1442 case NL80211_IFTYPE_STATION:
1443 mode = NDIS_80211_INFRA_INFRA;
1444 break;
1445 default:
1446 return -EINVAL;
1447 }
1448
1449 return set_infra_mode(usbdev, mode);
1450 }
1451
1452
1453 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1454 {
1455 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1456 struct usbnet *usbdev = priv->usbdev;
1457 int err;
1458
1459 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1460 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1461 if (err < 0)
1462 return err;
1463 }
1464
1465 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1466 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1467 if (err < 0)
1468 return err;
1469 }
1470
1471 return 0;
1472 }
1473
1474
1475 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1476 int dbm)
1477 {
1478 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1479 struct usbnet *usbdev = priv->usbdev;
1480
1481 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1482
1483 /* Device doesn't support changing txpower after initialization, only
1484 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1485 * currently used.
1486 */
1487 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1488 if (!priv->radio_on)
1489 disassociate(usbdev, 1); /* turn on radio */
1490
1491 return 0;
1492 }
1493
1494 return -ENOTSUPP;
1495 }
1496
1497
1498 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1499 {
1500 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1501 struct usbnet *usbdev = priv->usbdev;
1502
1503 *dbm = get_bcm4320_power_dbm(priv);
1504
1505 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1506
1507 return 0;
1508 }
1509
1510
1511 #define SCAN_DELAY_JIFFIES (HZ)
1512 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1513 struct cfg80211_scan_request *request)
1514 {
1515 struct usbnet *usbdev = netdev_priv(dev);
1516 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1517 int ret;
1518 __le32 tmp;
1519
1520 devdbg(usbdev, "cfg80211.scan");
1521
1522 if (!request)
1523 return -EINVAL;
1524
1525 if (priv->scan_request && priv->scan_request != request)
1526 return -EBUSY;
1527
1528 priv->scan_request = request;
1529
1530 tmp = cpu_to_le32(1);
1531 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1532 sizeof(tmp));
1533 if (ret == 0) {
1534 /* Wait before retrieving scan results from device */
1535 queue_delayed_work(priv->workqueue, &priv->scan_work,
1536 SCAN_DELAY_JIFFIES);
1537 }
1538
1539 return ret;
1540 }
1541
1542
1543 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1544 struct ndis_80211_bssid_ex *bssid)
1545 {
1546 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1547 struct ieee80211_channel *channel;
1548 s32 signal;
1549 u64 timestamp;
1550 u16 capability;
1551 u16 beacon_interval;
1552 struct ndis_80211_fixed_ies *fixed;
1553 int ie_len, bssid_len;
1554 u8 *ie;
1555
1556 /* parse bssid structure */
1557 bssid_len = le32_to_cpu(bssid->length);
1558
1559 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1560 sizeof(struct ndis_80211_fixed_ies))
1561 return NULL;
1562
1563 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1564
1565 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1566 ie_len = min(bssid_len - (int)sizeof(*bssid),
1567 (int)le32_to_cpu(bssid->ie_length));
1568 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1569 if (ie_len < 0)
1570 return NULL;
1571
1572 /* extract data for cfg80211_inform_bss */
1573 channel = ieee80211_get_channel(priv->wdev.wiphy,
1574 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1575 if (!channel)
1576 return NULL;
1577
1578 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1579 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1580 capability = le16_to_cpu(fixed->capabilities);
1581 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1582
1583 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1584 timestamp, capability, beacon_interval, ie, ie_len, signal,
1585 GFP_KERNEL);
1586 }
1587
1588
1589 static int rndis_check_bssid_list(struct usbnet *usbdev)
1590 {
1591 void *buf = NULL;
1592 struct ndis_80211_bssid_list_ex *bssid_list;
1593 struct ndis_80211_bssid_ex *bssid;
1594 int ret = -EINVAL, len, count, bssid_len;
1595
1596 devdbg(usbdev, "check_bssid_list");
1597
1598 len = CONTROL_BUFFER_SIZE;
1599 buf = kmalloc(len, GFP_KERNEL);
1600 if (!buf) {
1601 ret = -ENOMEM;
1602 goto out;
1603 }
1604
1605 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1606 if (ret != 0)
1607 goto out;
1608
1609 bssid_list = buf;
1610 bssid = bssid_list->bssid;
1611 bssid_len = le32_to_cpu(bssid->length);
1612 count = le32_to_cpu(bssid_list->num_items);
1613 devdbg(usbdev, "check_bssid_list: %d BSSIDs found", count);
1614
1615 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1616 rndis_bss_info_update(usbdev, bssid);
1617
1618 bssid = (void *)bssid + bssid_len;
1619 bssid_len = le32_to_cpu(bssid->length);
1620 count--;
1621 }
1622
1623 out:
1624 kfree(buf);
1625 return ret;
1626 }
1627
1628
1629 static void rndis_get_scan_results(struct work_struct *work)
1630 {
1631 struct rndis_wlan_private *priv =
1632 container_of(work, struct rndis_wlan_private, scan_work.work);
1633 struct usbnet *usbdev = priv->usbdev;
1634 int ret;
1635
1636 devdbg(usbdev, "get_scan_results");
1637
1638 if (!priv->scan_request)
1639 return;
1640
1641 ret = rndis_check_bssid_list(usbdev);
1642
1643 cfg80211_scan_done(priv->scan_request, ret < 0);
1644
1645 priv->scan_request = NULL;
1646 }
1647
1648
1649 /*
1650 * wireless extension handlers
1651 */
1652
1653 static int rndis_iw_commit(struct net_device *dev,
1654 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1655 {
1656 /* dummy op */
1657 return 0;
1658 }
1659
1660
1661 static int rndis_iw_set_essid(struct net_device *dev,
1662 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1663 {
1664 struct ndis_80211_ssid ssid;
1665 int length = wrqu->essid.length;
1666 struct usbnet *usbdev = netdev_priv(dev);
1667
1668 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1669 wrqu->essid.flags, wrqu->essid.length, essid);
1670
1671 if (length > NDIS_802_11_LENGTH_SSID)
1672 length = NDIS_802_11_LENGTH_SSID;
1673
1674 ssid.length = cpu_to_le32(length);
1675 if (length > 0)
1676 memcpy(ssid.essid, essid, length);
1677 else
1678 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
1679
1680 set_assoc_params(usbdev);
1681
1682 if (!wrqu->essid.flags || length == 0)
1683 return disassociate(usbdev, 1);
1684 else
1685 return set_essid(usbdev, &ssid);
1686 }
1687
1688
1689 static int rndis_iw_get_essid(struct net_device *dev,
1690 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1691 {
1692 struct ndis_80211_ssid ssid;
1693 struct usbnet *usbdev = netdev_priv(dev);
1694 int ret;
1695
1696 ret = get_essid(usbdev, &ssid);
1697
1698 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
1699 wrqu->essid.flags = 1;
1700 wrqu->essid.length = le32_to_cpu(ssid.length);
1701 memcpy(essid, ssid.essid, wrqu->essid.length);
1702 essid[wrqu->essid.length] = 0;
1703 } else {
1704 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1705 wrqu->essid.flags = 0;
1706 wrqu->essid.length = 0;
1707 }
1708 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1709 return ret;
1710 }
1711
1712
1713 static int rndis_iw_get_bssid(struct net_device *dev,
1714 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1715 {
1716 struct usbnet *usbdev = netdev_priv(dev);
1717 unsigned char bssid[ETH_ALEN];
1718 int ret;
1719
1720 ret = get_bssid(usbdev, bssid);
1721
1722 if (ret == 0)
1723 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
1724 else
1725 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1726
1727 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1728 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1729
1730 return ret;
1731 }
1732
1733
1734 static int rndis_iw_set_bssid(struct net_device *dev,
1735 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1736 {
1737 struct usbnet *usbdev = netdev_priv(dev);
1738 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
1739 int ret;
1740
1741 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
1742
1743 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1744
1745 /* user apps may set ap's mac address, which is not required;
1746 * they may fail to work if this function fails, so return
1747 * success */
1748 if (ret)
1749 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1750
1751 return 0;
1752 }
1753
1754
1755 static int rndis_iw_set_auth(struct net_device *dev,
1756 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1757 {
1758 struct iw_param *p = &wrqu->param;
1759 struct usbnet *usbdev = netdev_priv(dev);
1760 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1761 int ret = -ENOTSUPP;
1762
1763 switch (p->flags & IW_AUTH_INDEX) {
1764 case IW_AUTH_WPA_VERSION:
1765 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1766 priv->wpa_version = p->value;
1767 ret = 0;
1768 break;
1769
1770 case IW_AUTH_CIPHER_PAIRWISE:
1771 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1772 priv->wpa_cipher_pair = p->value;
1773 ret = 0;
1774 break;
1775
1776 case IW_AUTH_CIPHER_GROUP:
1777 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1778 priv->wpa_cipher_group = p->value;
1779 ret = 0;
1780 break;
1781
1782 case IW_AUTH_KEY_MGMT:
1783 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1784 priv->wpa_keymgmt = p->value;
1785 ret = 0;
1786 break;
1787
1788 case IW_AUTH_TKIP_COUNTERMEASURES:
1789 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1790 p->value);
1791 ret = 0;
1792 break;
1793
1794 case IW_AUTH_DROP_UNENCRYPTED:
1795 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1796 ret = 0;
1797 break;
1798
1799 case IW_AUTH_80211_AUTH_ALG:
1800 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1801 priv->wpa_authalg = p->value;
1802 ret = 0;
1803 break;
1804
1805 case IW_AUTH_WPA_ENABLED:
1806 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1807 if (wrqu->param.value)
1808 deauthenticate(usbdev);
1809 ret = 0;
1810 break;
1811
1812 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1813 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1814 p->value);
1815 ret = 0;
1816 break;
1817
1818 case IW_AUTH_ROAMING_CONTROL:
1819 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1820 ret = 0;
1821 break;
1822
1823 case IW_AUTH_PRIVACY_INVOKED:
1824 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1825 wrqu->param.flags & IW_AUTH_INDEX);
1826 return -EOPNOTSUPP;
1827
1828 default:
1829 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1830 p->flags & IW_AUTH_INDEX, p->value);
1831 }
1832 return ret;
1833 }
1834
1835
1836 static int rndis_iw_get_auth(struct net_device *dev,
1837 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1838 {
1839 struct iw_param *p = &wrqu->param;
1840 struct usbnet *usbdev = netdev_priv(dev);
1841 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1842
1843 switch (p->flags & IW_AUTH_INDEX) {
1844 case IW_AUTH_WPA_VERSION:
1845 p->value = priv->wpa_version;
1846 break;
1847 case IW_AUTH_CIPHER_PAIRWISE:
1848 p->value = priv->wpa_cipher_pair;
1849 break;
1850 case IW_AUTH_CIPHER_GROUP:
1851 p->value = priv->wpa_cipher_group;
1852 break;
1853 case IW_AUTH_KEY_MGMT:
1854 p->value = priv->wpa_keymgmt;
1855 break;
1856 case IW_AUTH_80211_AUTH_ALG:
1857 p->value = priv->wpa_authalg;
1858 break;
1859 default:
1860 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1861 wrqu->param.flags & IW_AUTH_INDEX);
1862 return -EOPNOTSUPP;
1863 }
1864 return 0;
1865 }
1866
1867
1868 static int rndis_iw_set_encode(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_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1873 int ret, index, key_len;
1874 u8 *key;
1875
1876 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1877
1878 /* iwconfig gives index as 1 - N */
1879 if (index > 0)
1880 index--;
1881 else
1882 index = priv->encr_tx_key_index;
1883
1884 if (index < 0 || index >= 4) {
1885 devwarn(usbdev, "encryption index out of range (%u)", index);
1886 return -EINVAL;
1887 }
1888
1889 /* remove key if disabled */
1890 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
1891 if (remove_key(usbdev, index, NULL))
1892 return -EINVAL;
1893 else
1894 return 0;
1895 }
1896
1897 /* global encryption state (for all keys) */
1898 if (wrqu->data.flags & IW_ENCODE_OPEN)
1899 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1900 IW_AUTH_ALG_OPEN_SYSTEM);
1901 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
1902 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1903 IW_AUTH_ALG_SHARED_KEY);
1904 if (ret != 0)
1905 return ret;
1906
1907 if (wrqu->data.length > 0) {
1908 key_len = wrqu->data.length;
1909 key = extra;
1910 } else {
1911 /* must be set as tx key */
1912 if (priv->encr_key_len[index] == 0)
1913 return -EINVAL;
1914 key_len = priv->encr_key_len[index];
1915 key = priv->encr_keys[index];
1916 priv->encr_tx_key_index = index;
1917 }
1918
1919 if (add_wep_key(usbdev, key, key_len, index) != 0)
1920 return -EINVAL;
1921
1922 if (index == priv->encr_tx_key_index)
1923 /* ndis drivers want essid to be set after setting encr */
1924 set_essid(usbdev, &priv->essid);
1925
1926 return 0;
1927 }
1928
1929
1930 static int rndis_iw_set_encode_ext(struct net_device *dev,
1931 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1932 {
1933 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1934 struct usbnet *usbdev = netdev_priv(dev);
1935 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1936 int keyidx, flags;
1937
1938 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
1939
1940 /* iwconfig gives index as 1 - N */
1941 if (keyidx)
1942 keyidx--;
1943 else
1944 keyidx = priv->encr_tx_key_index;
1945
1946 if (keyidx < 0 || keyidx >= 4)
1947 return -EINVAL;
1948
1949 if (ext->alg == WPA_ALG_WEP) {
1950 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1951 priv->encr_tx_key_index = keyidx;
1952 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
1953 }
1954
1955 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
1956 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
1957 return remove_key(usbdev, keyidx, NULL);
1958
1959 flags = 0;
1960 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
1961 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
1962 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
1963 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
1964 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1965 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
1966
1967 return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx, &ext->addr,
1968 ext->rx_seq, ext->alg, flags);
1969 }
1970
1971
1972 static int rndis_iw_set_genie(struct net_device *dev,
1973 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1974 {
1975 struct usbnet *usbdev = netdev_priv(dev);
1976 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1977 int ret = 0;
1978
1979 #ifdef DEBUG
1980 int j;
1981 u8 *gie = extra;
1982 for (j = 0; j < wrqu->data.length; j += 8)
1983 devdbg(usbdev,
1984 "SIOCSIWGENIE %04x - "
1985 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
1986 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
1987 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
1988 #endif
1989 /* clear existing IEs */
1990 if (priv->wpa_ie_len) {
1991 kfree(priv->wpa_ie);
1992 priv->wpa_ie_len = 0;
1993 }
1994
1995 /* set new IEs */
1996 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
1997 if (priv->wpa_ie) {
1998 priv->wpa_ie_len = wrqu->data.length;
1999 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
2000 } else
2001 ret = -ENOMEM;
2002 return ret;
2003 }
2004
2005
2006 static int rndis_iw_get_genie(struct net_device *dev,
2007 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2008 {
2009 struct usbnet *usbdev = netdev_priv(dev);
2010 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2011
2012 devdbg(usbdev, "SIOCGIWGENIE");
2013
2014 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
2015 wrqu->data.length = 0;
2016 return 0;
2017 }
2018
2019 if (wrqu->data.length < priv->wpa_ie_len)
2020 return -E2BIG;
2021
2022 wrqu->data.length = priv->wpa_ie_len;
2023 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
2024
2025 return 0;
2026 }
2027
2028
2029 static int rndis_iw_set_freq(struct net_device *dev,
2030 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2031 {
2032 struct usbnet *usbdev = netdev_priv(dev);
2033 struct ndis_80211_conf config;
2034 unsigned int dsconfig;
2035 int len, ret;
2036
2037 /* this OID is valid only when not associated */
2038 if (is_associated(usbdev))
2039 return 0;
2040
2041 dsconfig = 0;
2042 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
2043 return -EINVAL;
2044
2045 len = sizeof(config);
2046 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2047 if (ret != 0) {
2048 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
2049 return 0;
2050 }
2051
2052 config.ds_config = cpu_to_le32(dsconfig);
2053
2054 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
2055 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
2056 sizeof(config));
2057 }
2058
2059
2060 static int rndis_iw_get_freq(struct net_device *dev,
2061 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2062 {
2063 struct usbnet *usbdev = netdev_priv(dev);
2064 struct ndis_80211_conf config;
2065 int len, ret;
2066
2067 len = sizeof(config);
2068 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2069 if (ret == 0)
2070 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
2071
2072 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
2073 return ret;
2074 }
2075
2076
2077 static int rndis_iw_get_rate(struct net_device *dev,
2078 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2079 {
2080 struct usbnet *usbdev = netdev_priv(dev);
2081 __le32 tmp;
2082 int ret, len;
2083
2084 len = sizeof(tmp);
2085 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2086 if (ret == 0) {
2087 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2088 wrqu->bitrate.disabled = 0;
2089 wrqu->bitrate.flags = 1;
2090 }
2091 return ret;
2092 }
2093
2094
2095 static int rndis_iw_set_mlme(struct net_device *dev,
2096 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2097 {
2098 struct usbnet *usbdev = netdev_priv(dev);
2099 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2100 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2101 unsigned char bssid[ETH_ALEN];
2102
2103 get_bssid(usbdev, bssid);
2104
2105 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2106 return -EINVAL;
2107
2108 switch (mlme->cmd) {
2109 case IW_MLME_DEAUTH:
2110 return deauthenticate(usbdev);
2111 case IW_MLME_DISASSOC:
2112 return disassociate(usbdev, priv->radio_on);
2113 default:
2114 return -EOPNOTSUPP;
2115 }
2116
2117 return 0;
2118 }
2119
2120
2121 static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2122 {
2123 struct usbnet *usbdev = netdev_priv(dev);
2124 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2125 unsigned long flags;
2126
2127 spin_lock_irqsave(&priv->stats_lock, flags);
2128 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2129 spin_unlock_irqrestore(&priv->stats_lock, flags);
2130
2131 return &priv->iwstats;
2132 }
2133
2134
2135 #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2136 static const iw_handler rndis_iw_handler[] =
2137 {
2138 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
2139 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
2140 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2141 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
2142 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2143 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
2144 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
2145 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2146 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
2147 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2148 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
2149 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2150 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
2151 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2152 IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
2153 IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
2154 IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
2155 IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
2156 IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
2157 IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
2158 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2159 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2160 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2161 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2162 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2163 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2164 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2165 };
2166
2167 static const iw_handler rndis_wlan_private_handler[] = {
2168 };
2169
2170 static const struct iw_priv_args rndis_wlan_private_args[] = {
2171 };
2172
2173
2174 static const struct iw_handler_def rndis_iw_handlers = {
2175 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2176 .num_private = ARRAY_SIZE(rndis_wlan_private_handler),
2177 .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
2178 .standard = (iw_handler *)rndis_iw_handler,
2179 .private = (iw_handler *)rndis_wlan_private_handler,
2180 .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
2181 .get_wireless_stats = rndis_get_wireless_stats,
2182 };
2183
2184
2185 static void rndis_wlan_worker(struct work_struct *work)
2186 {
2187 struct rndis_wlan_private *priv =
2188 container_of(work, struct rndis_wlan_private, work);
2189 struct usbnet *usbdev = priv->usbdev;
2190 union iwreq_data evt;
2191 unsigned char bssid[ETH_ALEN];
2192 struct ndis_80211_assoc_info *info;
2193 int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
2194 int ret, offset;
2195
2196 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
2197 netif_carrier_on(usbdev->net);
2198
2199 info = kzalloc(assoc_size, GFP_KERNEL);
2200 if (!info)
2201 goto get_bssid;
2202
2203 /* Get association info IEs from device and send them back to
2204 * userspace. */
2205 ret = get_association_info(usbdev, info, assoc_size);
2206 if (!ret) {
2207 evt.data.length = le32_to_cpu(info->req_ie_length);
2208 if (evt.data.length > 0) {
2209 offset = le32_to_cpu(info->offset_req_ies);
2210 wireless_send_event(usbdev->net,
2211 IWEVASSOCREQIE, &evt,
2212 (char *)info + offset);
2213 }
2214
2215 evt.data.length = le32_to_cpu(info->resp_ie_length);
2216 if (evt.data.length > 0) {
2217 offset = le32_to_cpu(info->offset_resp_ies);
2218 wireless_send_event(usbdev->net,
2219 IWEVASSOCRESPIE, &evt,
2220 (char *)info + offset);
2221 }
2222 }
2223
2224 kfree(info);
2225
2226 get_bssid:
2227 ret = get_bssid(usbdev, bssid);
2228 if (!ret) {
2229 evt.data.flags = 0;
2230 evt.data.length = 0;
2231 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2232 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2233 }
2234 }
2235
2236 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
2237 netif_carrier_off(usbdev->net);
2238
2239 evt.data.flags = 0;
2240 evt.data.length = 0;
2241 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2242 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2243 }
2244
2245 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2246 set_multicast_list(usbdev);
2247 }
2248
2249 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2250 {
2251 struct usbnet *usbdev = netdev_priv(dev);
2252 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2253
2254 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2255 return;
2256
2257 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2258 queue_work(priv->workqueue, &priv->work);
2259 }
2260
2261
2262 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2263 struct ndis_80211_status_indication *indication,
2264 int len)
2265 {
2266 u8 *buf;
2267 const char *type;
2268 int flags, buflen;
2269 bool pairwise_error, group_error;
2270 struct ndis_80211_auth_request *auth_req;
2271
2272 /* must have at least one array entry */
2273 if (len < offsetof(struct ndis_80211_status_indication, u) +
2274 sizeof(struct ndis_80211_auth_request)) {
2275 devinfo(usbdev, "authentication indication: "
2276 "too short message (%i)", len);
2277 return;
2278 }
2279
2280 buf = (void *)&indication->u.auth_request[0];
2281 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2282
2283 while (buflen >= sizeof(*auth_req)) {
2284 auth_req = (void *)buf;
2285 type = "unknown";
2286 flags = le32_to_cpu(auth_req->flags);
2287 pairwise_error = false;
2288 group_error = false;
2289
2290 if (flags & 0x1)
2291 type = "reauth request";
2292 if (flags & 0x2)
2293 type = "key update request";
2294 if (flags & 0x6) {
2295 pairwise_error = true;
2296 type = "pairwise_error";
2297 }
2298 if (flags & 0xe) {
2299 group_error = true;
2300 type = "group_error";
2301 }
2302
2303 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2304 le32_to_cpu(auth_req->flags));
2305
2306 if (pairwise_error || group_error) {
2307 union iwreq_data wrqu;
2308 struct iw_michaelmicfailure micfailure;
2309
2310 memset(&micfailure, 0, sizeof(micfailure));
2311 if (pairwise_error)
2312 micfailure.flags |= IW_MICFAILURE_PAIRWISE;
2313 if (group_error)
2314 micfailure.flags |= IW_MICFAILURE_GROUP;
2315
2316 memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
2317 ETH_ALEN);
2318
2319 memset(&wrqu, 0, sizeof(wrqu));
2320 wrqu.data.length = sizeof(micfailure);
2321 wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
2322 &wrqu, (u8 *)&micfailure);
2323 }
2324
2325 buflen -= le32_to_cpu(auth_req->length);
2326 buf += le32_to_cpu(auth_req->length);
2327 }
2328 }
2329
2330 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2331 struct ndis_80211_status_indication *indication,
2332 int len)
2333 {
2334 struct ndis_80211_pmkid_cand_list *cand_list;
2335 int list_len, expected_len, i;
2336
2337 if (len < offsetof(struct ndis_80211_status_indication, u) +
2338 sizeof(struct ndis_80211_pmkid_cand_list)) {
2339 devinfo(usbdev, "pmkid candidate list indication: "
2340 "too short message (%i)", len);
2341 return;
2342 }
2343
2344 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2345 sizeof(struct ndis_80211_pmkid_candidate);
2346 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2347 offsetof(struct ndis_80211_status_indication, u);
2348
2349 if (len < expected_len) {
2350 devinfo(usbdev, "pmkid candidate list indication: "
2351 "list larger than buffer (%i < %i)",
2352 len, expected_len);
2353 return;
2354 }
2355
2356 cand_list = &indication->u.cand_list;
2357
2358 devinfo(usbdev, "pmkid candidate list indication: "
2359 "version %i, candidates %i",
2360 le32_to_cpu(cand_list->version),
2361 le32_to_cpu(cand_list->num_candidates));
2362
2363 if (le32_to_cpu(cand_list->version) != 1)
2364 return;
2365
2366 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2367 struct iw_pmkid_cand pcand;
2368 union iwreq_data wrqu;
2369 struct ndis_80211_pmkid_candidate *cand =
2370 &cand_list->candidate_list[i];
2371
2372 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2373 i, le32_to_cpu(cand->flags), cand->bssid);
2374
2375 memset(&pcand, 0, sizeof(pcand));
2376 if (le32_to_cpu(cand->flags) & 0x01)
2377 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2378 pcand.index = i;
2379 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2380
2381 memset(&wrqu, 0, sizeof(wrqu));
2382 wrqu.data.length = sizeof(pcand);
2383 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2384 (u8 *)&pcand);
2385 }
2386 }
2387
2388 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2389 struct rndis_indicate *msg, int buflen)
2390 {
2391 struct ndis_80211_status_indication *indication;
2392 int len, offset;
2393
2394 offset = offsetof(struct rndis_indicate, status) +
2395 le32_to_cpu(msg->offset);
2396 len = le32_to_cpu(msg->length);
2397
2398 if (len < 8) {
2399 devinfo(usbdev, "media specific indication, "
2400 "ignore too short message (%i < 8)", len);
2401 return;
2402 }
2403
2404 if (offset + len > buflen) {
2405 devinfo(usbdev, "media specific indication, "
2406 "too large to fit to buffer (%i > %i)",
2407 offset + len, buflen);
2408 return;
2409 }
2410
2411 indication = (void *)((u8 *)msg + offset);
2412
2413 switch (le32_to_cpu(indication->status_type)) {
2414 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2415 devinfo(usbdev, "radio state indication: %i",
2416 le32_to_cpu(indication->u.radio_status));
2417 return;
2418
2419 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2420 devinfo(usbdev, "media stream mode indication: %i",
2421 le32_to_cpu(indication->u.media_stream_mode));
2422 return;
2423
2424 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2425 rndis_wlan_auth_indication(usbdev, indication, len);
2426 return;
2427
2428 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2429 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2430 return;
2431
2432 default:
2433 devinfo(usbdev, "media specific indication: "
2434 "unknown status type 0x%08x",
2435 le32_to_cpu(indication->status_type));
2436 }
2437 }
2438
2439
2440 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2441 {
2442 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2443 struct rndis_indicate *msg = ind;
2444
2445 switch (msg->status) {
2446 case RNDIS_STATUS_MEDIA_CONNECT:
2447 devinfo(usbdev, "media connect");
2448
2449 /* queue work to avoid recursive calls into rndis_command */
2450 set_bit(WORK_LINK_UP, &priv->work_pending);
2451 queue_work(priv->workqueue, &priv->work);
2452 break;
2453
2454 case RNDIS_STATUS_MEDIA_DISCONNECT:
2455 devinfo(usbdev, "media disconnect");
2456
2457 /* queue work to avoid recursive calls into rndis_command */
2458 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2459 queue_work(priv->workqueue, &priv->work);
2460 break;
2461
2462 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2463 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2464 break;
2465
2466 default:
2467 devinfo(usbdev, "indication: 0x%08x",
2468 le32_to_cpu(msg->status));
2469 break;
2470 }
2471 }
2472
2473
2474 static int rndis_wlan_get_caps(struct usbnet *usbdev)
2475 {
2476 struct {
2477 __le32 num_items;
2478 __le32 items[8];
2479 } networks_supported;
2480 int len, retval, i, n;
2481 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2482
2483 /* determine supported modes */
2484 len = sizeof(networks_supported);
2485 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2486 &networks_supported, &len);
2487 if (retval >= 0) {
2488 n = le32_to_cpu(networks_supported.num_items);
2489 if (n > 8)
2490 n = 8;
2491 for (i = 0; i < n; i++) {
2492 switch (le32_to_cpu(networks_supported.items[i])) {
2493 case NDIS_80211_TYPE_FREQ_HOP:
2494 case NDIS_80211_TYPE_DIRECT_SEQ:
2495 priv->caps |= CAP_MODE_80211B;
2496 break;
2497 case NDIS_80211_TYPE_OFDM_A:
2498 priv->caps |= CAP_MODE_80211A;
2499 break;
2500 case NDIS_80211_TYPE_OFDM_G:
2501 priv->caps |= CAP_MODE_80211G;
2502 break;
2503 }
2504 }
2505 }
2506
2507 return retval;
2508 }
2509
2510
2511 #define STATS_UPDATE_JIFFIES (HZ)
2512 static void rndis_update_wireless_stats(struct work_struct *work)
2513 {
2514 struct rndis_wlan_private *priv =
2515 container_of(work, struct rndis_wlan_private, stats_work.work);
2516 struct usbnet *usbdev = priv->usbdev;
2517 struct iw_statistics iwstats;
2518 __le32 rssi, tmp;
2519 int len, ret, j;
2520 unsigned long flags;
2521 int update_jiffies = STATS_UPDATE_JIFFIES;
2522 void *buf;
2523
2524 spin_lock_irqsave(&priv->stats_lock, flags);
2525 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2526 spin_unlock_irqrestore(&priv->stats_lock, flags);
2527
2528 /* only update stats when connected */
2529 if (!is_associated(usbdev)) {
2530 iwstats.qual.qual = 0;
2531 iwstats.qual.level = 0;
2532 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2533 | IW_QUAL_LEVEL_UPDATED
2534 | IW_QUAL_NOISE_INVALID
2535 | IW_QUAL_QUAL_INVALID
2536 | IW_QUAL_LEVEL_INVALID;
2537 goto end;
2538 }
2539
2540 len = sizeof(rssi);
2541 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2542
2543 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2544 le32_to_cpu(rssi));
2545 if (ret == 0) {
2546 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2547 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
2548 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
2549 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2550 | IW_QUAL_LEVEL_UPDATED
2551 | IW_QUAL_NOISE_INVALID;
2552 }
2553
2554 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2555
2556 len = sizeof(tmp);
2557 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2558 if (ret == 0)
2559 iwstats.discard.misc += le32_to_cpu(tmp);
2560
2561 len = sizeof(tmp);
2562 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2563 if (ret == 0)
2564 iwstats.discard.misc += le32_to_cpu(tmp);
2565
2566 len = sizeof(tmp);
2567 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2568 if (ret == 0)
2569 iwstats.discard.misc += le32_to_cpu(tmp);
2570
2571 /* Workaround transfer stalls on poor quality links.
2572 * TODO: find right way to fix these stalls (as stalls do not happen
2573 * with ndiswrapper/windows driver). */
2574 if (iwstats.qual.qual <= 25) {
2575 /* Decrease stats worker interval to catch stalls.
2576 * faster. Faster than 400-500ms causes packet loss,
2577 * Slower doesn't catch stalls fast enough.
2578 */
2579 j = msecs_to_jiffies(priv->param_workaround_interval);
2580 if (j > STATS_UPDATE_JIFFIES)
2581 j = STATS_UPDATE_JIFFIES;
2582 else if (j <= 0)
2583 j = 1;
2584 update_jiffies = j;
2585
2586 /* Send scan OID. Use of both OIDs is required to get device
2587 * working.
2588 */
2589 tmp = cpu_to_le32(1);
2590 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2591 sizeof(tmp));
2592
2593 len = CONTROL_BUFFER_SIZE;
2594 buf = kmalloc(len, GFP_KERNEL);
2595 if (!buf)
2596 goto end;
2597
2598 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2599 kfree(buf);
2600 }
2601 end:
2602 spin_lock_irqsave(&priv->stats_lock, flags);
2603 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2604 spin_unlock_irqrestore(&priv->stats_lock, flags);
2605
2606 if (update_jiffies >= HZ)
2607 update_jiffies = round_jiffies_relative(update_jiffies);
2608 else {
2609 j = round_jiffies_relative(update_jiffies);
2610 if (abs(j - update_jiffies) <= 10)
2611 update_jiffies = j;
2612 }
2613
2614 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2615 }
2616
2617
2618 static int bcm4320a_early_init(struct usbnet *usbdev)
2619 {
2620 /* bcm4320a doesn't handle configuration parameters well. Try
2621 * set any and you get partially zeroed mac and broken device.
2622 */
2623
2624 return 0;
2625 }
2626
2627
2628 static int bcm4320b_early_init(struct usbnet *usbdev)
2629 {
2630 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2631 char buf[8];
2632
2633 /* Early initialization settings, setting these won't have effect
2634 * if called after generic_rndis_bind().
2635 */
2636
2637 priv->param_country[0] = modparam_country[0];
2638 priv->param_country[1] = modparam_country[1];
2639 priv->param_country[2] = 0;
2640 priv->param_frameburst = modparam_frameburst;
2641 priv->param_afterburner = modparam_afterburner;
2642 priv->param_power_save = modparam_power_save;
2643 priv->param_power_output = modparam_power_output;
2644 priv->param_roamtrigger = modparam_roamtrigger;
2645 priv->param_roamdelta = modparam_roamdelta;
2646
2647 priv->param_country[0] = toupper(priv->param_country[0]);
2648 priv->param_country[1] = toupper(priv->param_country[1]);
2649 /* doesn't support EU as country code, use FI instead */
2650 if (!strcmp(priv->param_country, "EU"))
2651 strcpy(priv->param_country, "FI");
2652
2653 if (priv->param_power_save < 0)
2654 priv->param_power_save = 0;
2655 else if (priv->param_power_save > 2)
2656 priv->param_power_save = 2;
2657
2658 if (priv->param_power_output < 0)
2659 priv->param_power_output = 0;
2660 else if (priv->param_power_output > 3)
2661 priv->param_power_output = 3;
2662
2663 if (priv->param_roamtrigger < -80)
2664 priv->param_roamtrigger = -80;
2665 else if (priv->param_roamtrigger > -60)
2666 priv->param_roamtrigger = -60;
2667
2668 if (priv->param_roamdelta < 0)
2669 priv->param_roamdelta = 0;
2670 else if (priv->param_roamdelta > 2)
2671 priv->param_roamdelta = 2;
2672
2673 if (modparam_workaround_interval < 0)
2674 priv->param_workaround_interval = 500;
2675 else
2676 priv->param_workaround_interval = modparam_workaround_interval;
2677
2678 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2679 rndis_set_config_parameter_str(usbdev, "FrameBursting",
2680 priv->param_frameburst ? "1" : "0");
2681 rndis_set_config_parameter_str(usbdev, "Afterburner",
2682 priv->param_afterburner ? "1" : "0");
2683 sprintf(buf, "%d", priv->param_power_save);
2684 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
2685 sprintf(buf, "%d", priv->param_power_output);
2686 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
2687 sprintf(buf, "%d", priv->param_roamtrigger);
2688 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
2689 sprintf(buf, "%d", priv->param_roamdelta);
2690 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
2691
2692 return 0;
2693 }
2694
2695 /* same as rndis_netdev_ops but with local multicast handler */
2696 static const struct net_device_ops rndis_wlan_netdev_ops = {
2697 .ndo_open = usbnet_open,
2698 .ndo_stop = usbnet_stop,
2699 .ndo_start_xmit = usbnet_start_xmit,
2700 .ndo_tx_timeout = usbnet_tx_timeout,
2701 .ndo_set_mac_address = eth_mac_addr,
2702 .ndo_validate_addr = eth_validate_addr,
2703 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
2704 };
2705
2706
2707 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
2708 {
2709 struct wiphy *wiphy;
2710 struct rndis_wlan_private *priv;
2711 int retval, len;
2712 __le32 tmp;
2713
2714 /* allocate wiphy and rndis private data
2715 * NOTE: We only support a single virtual interface, so wiphy
2716 * and wireless_dev are somewhat synonymous for this device.
2717 */
2718 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
2719 if (!wiphy)
2720 return -ENOMEM;
2721
2722 priv = wiphy_priv(wiphy);
2723 usbdev->net->ieee80211_ptr = &priv->wdev;
2724 priv->wdev.wiphy = wiphy;
2725 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2726
2727 /* These have to be initialized before calling generic_rndis_bind().
2728 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
2729 */
2730 usbdev->driver_priv = priv;
2731 usbdev->net->wireless_handlers = &rndis_iw_handlers;
2732 priv->usbdev = usbdev;
2733
2734 mutex_init(&priv->command_lock);
2735 spin_lock_init(&priv->stats_lock);
2736
2737 /* because rndis_command() sleeps we need to use workqueue */
2738 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2739 INIT_WORK(&priv->work, rndis_wlan_worker);
2740 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2741 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2742
2743 /* try bind rndis_host */
2744 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2745 if (retval < 0)
2746 goto fail;
2747
2748 /* generic_rndis_bind set packet filter to multicast_all+
2749 * promisc mode which doesn't work well for our devices (device
2750 * picks up rssi to closest station instead of to access point).
2751 *
2752 * rndis_host wants to avoid all OID as much as possible
2753 * so do promisc/multicast handling in rndis_wlan.
2754 */
2755 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
2756
2757 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2758 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2759 sizeof(tmp));
2760
2761 len = sizeof(tmp);
2762 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2763 &len);
2764 priv->multicast_size = le32_to_cpu(tmp);
2765 if (retval < 0 || priv->multicast_size < 0)
2766 priv->multicast_size = 0;
2767 if (priv->multicast_size > 0)
2768 usbdev->net->flags |= IFF_MULTICAST;
2769 else
2770 usbdev->net->flags &= ~IFF_MULTICAST;
2771
2772 priv->iwstats.qual.qual = 0;
2773 priv->iwstats.qual.level = 0;
2774 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2775 | IW_QUAL_LEVEL_UPDATED
2776 | IW_QUAL_NOISE_INVALID
2777 | IW_QUAL_QUAL_INVALID
2778 | IW_QUAL_LEVEL_INVALID;
2779
2780 /* fill-out wiphy structure and register w/ cfg80211 */
2781 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2782 wiphy->privid = rndis_wiphy_privid;
2783 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2784 | BIT(NL80211_IFTYPE_ADHOC);
2785 wiphy->max_scan_ssids = 1;
2786
2787 /* TODO: fill-out band information based on priv->caps */
2788 rndis_wlan_get_caps(usbdev);
2789
2790 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2791 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2792 priv->band.channels = priv->channels;
2793 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2794 priv->band.bitrates = priv->rates;
2795 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2796 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
2797 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2798
2799 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2800
2801 if (wiphy_register(wiphy)) {
2802 retval = -ENODEV;
2803 goto fail;
2804 }
2805
2806 set_default_iw_params(usbdev);
2807
2808 /* set default rts/frag */
2809 rndis_set_wiphy_params(wiphy,
2810 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2811
2812 /* turn radio on */
2813 priv->radio_on = 1;
2814 disassociate(usbdev, 1);
2815 netif_carrier_off(usbdev->net);
2816
2817 return 0;
2818
2819 fail:
2820 cancel_delayed_work_sync(&priv->stats_work);
2821 cancel_delayed_work_sync(&priv->scan_work);
2822 cancel_work_sync(&priv->work);
2823 flush_workqueue(priv->workqueue);
2824 destroy_workqueue(priv->workqueue);
2825
2826 wiphy_free(wiphy);
2827 return retval;
2828 }
2829
2830
2831 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
2832 {
2833 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2834
2835 /* turn radio off */
2836 disassociate(usbdev, 0);
2837
2838 cancel_delayed_work_sync(&priv->stats_work);
2839 cancel_delayed_work_sync(&priv->scan_work);
2840 cancel_work_sync(&priv->work);
2841 flush_workqueue(priv->workqueue);
2842 destroy_workqueue(priv->workqueue);
2843
2844 if (priv && priv->wpa_ie_len)
2845 kfree(priv->wpa_ie);
2846
2847 rndis_unbind(usbdev, intf);
2848
2849 wiphy_unregister(priv->wdev.wiphy);
2850 wiphy_free(priv->wdev.wiphy);
2851 }
2852
2853
2854 static int rndis_wlan_reset(struct usbnet *usbdev)
2855 {
2856 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2857 int retval;
2858
2859 devdbg(usbdev, "rndis_wlan_reset");
2860
2861 retval = rndis_reset(usbdev);
2862 if (retval)
2863 devwarn(usbdev, "rndis_reset() failed: %d", retval);
2864
2865 /* rndis_reset cleared multicast list, so restore here.
2866 (set_multicast_list() also turns on current packet filter) */
2867 set_multicast_list(usbdev);
2868
2869 queue_delayed_work(priv->workqueue, &priv->stats_work,
2870 round_jiffies_relative(STATS_UPDATE_JIFFIES));
2871
2872 return deauthenticate(usbdev);
2873 }
2874
2875
2876 static int rndis_wlan_stop(struct usbnet *usbdev)
2877 {
2878 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2879 int retval;
2880 __le32 filter;
2881
2882 devdbg(usbdev, "rndis_wlan_stop");
2883
2884 retval = disassociate(usbdev, 0);
2885
2886 priv->work_pending = 0;
2887 cancel_delayed_work_sync(&priv->stats_work);
2888 cancel_delayed_work_sync(&priv->scan_work);
2889 cancel_work_sync(&priv->work);
2890 flush_workqueue(priv->workqueue);
2891
2892 if (priv->scan_request) {
2893 cfg80211_scan_done(priv->scan_request, true);
2894 priv->scan_request = NULL;
2895 }
2896
2897 /* Set current packet filter zero to block receiving data packets from
2898 device. */
2899 filter = 0;
2900 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
2901 sizeof(filter));
2902
2903 return retval;
2904 }
2905
2906
2907 static const struct driver_info bcm4320b_info = {
2908 .description = "Wireless RNDIS device, BCM4320b based",
2909 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2910 FLAG_AVOID_UNLINK_URBS,
2911 .bind = rndis_wlan_bind,
2912 .unbind = rndis_wlan_unbind,
2913 .status = rndis_status,
2914 .rx_fixup = rndis_rx_fixup,
2915 .tx_fixup = rndis_tx_fixup,
2916 .reset = rndis_wlan_reset,
2917 .stop = rndis_wlan_stop,
2918 .early_init = bcm4320b_early_init,
2919 .indication = rndis_wlan_indication,
2920 };
2921
2922 static const struct driver_info bcm4320a_info = {
2923 .description = "Wireless RNDIS device, BCM4320a based",
2924 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2925 FLAG_AVOID_UNLINK_URBS,
2926 .bind = rndis_wlan_bind,
2927 .unbind = rndis_wlan_unbind,
2928 .status = rndis_status,
2929 .rx_fixup = rndis_rx_fixup,
2930 .tx_fixup = rndis_tx_fixup,
2931 .reset = rndis_wlan_reset,
2932 .stop = rndis_wlan_stop,
2933 .early_init = bcm4320a_early_init,
2934 .indication = rndis_wlan_indication,
2935 };
2936
2937 static const struct driver_info rndis_wlan_info = {
2938 .description = "Wireless RNDIS device",
2939 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2940 FLAG_AVOID_UNLINK_URBS,
2941 .bind = rndis_wlan_bind,
2942 .unbind = rndis_wlan_unbind,
2943 .status = rndis_status,
2944 .rx_fixup = rndis_rx_fixup,
2945 .tx_fixup = rndis_tx_fixup,
2946 .reset = rndis_wlan_reset,
2947 .stop = rndis_wlan_stop,
2948 .early_init = bcm4320a_early_init,
2949 .indication = rndis_wlan_indication,
2950 };
2951
2952 /*-------------------------------------------------------------------------*/
2953
2954 static const struct usb_device_id products [] = {
2955 #define RNDIS_MASTER_INTERFACE \
2956 .bInterfaceClass = USB_CLASS_COMM, \
2957 .bInterfaceSubClass = 2 /* ACM */, \
2958 .bInterfaceProtocol = 0x0ff
2959
2960 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2961 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2962 */
2963 {
2964 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2965 | USB_DEVICE_ID_MATCH_DEVICE,
2966 .idVendor = 0x0411,
2967 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2968 RNDIS_MASTER_INTERFACE,
2969 .driver_info = (unsigned long) &bcm4320b_info,
2970 }, {
2971 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2972 | USB_DEVICE_ID_MATCH_DEVICE,
2973 .idVendor = 0x0baf,
2974 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2975 RNDIS_MASTER_INTERFACE,
2976 .driver_info = (unsigned long) &bcm4320b_info,
2977 }, {
2978 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2979 | USB_DEVICE_ID_MATCH_DEVICE,
2980 .idVendor = 0x050d,
2981 .idProduct = 0x011b, /* Belkin F5D7051 */
2982 RNDIS_MASTER_INTERFACE,
2983 .driver_info = (unsigned long) &bcm4320b_info,
2984 }, {
2985 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2986 | USB_DEVICE_ID_MATCH_DEVICE,
2987 .idVendor = 0x1799, /* Belkin has two vendor ids */
2988 .idProduct = 0x011b, /* Belkin F5D7051 */
2989 RNDIS_MASTER_INTERFACE,
2990 .driver_info = (unsigned long) &bcm4320b_info,
2991 }, {
2992 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2993 | USB_DEVICE_ID_MATCH_DEVICE,
2994 .idVendor = 0x13b1,
2995 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2996 RNDIS_MASTER_INTERFACE,
2997 .driver_info = (unsigned long) &bcm4320b_info,
2998 }, {
2999 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3000 | USB_DEVICE_ID_MATCH_DEVICE,
3001 .idVendor = 0x13b1,
3002 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3003 RNDIS_MASTER_INTERFACE,
3004 .driver_info = (unsigned long) &bcm4320b_info,
3005 }, {
3006 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3007 | USB_DEVICE_ID_MATCH_DEVICE,
3008 .idVendor = 0x0b05,
3009 .idProduct = 0x1717, /* Asus WL169gE */
3010 RNDIS_MASTER_INTERFACE,
3011 .driver_info = (unsigned long) &bcm4320b_info,
3012 }, {
3013 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3014 | USB_DEVICE_ID_MATCH_DEVICE,
3015 .idVendor = 0x0a5c,
3016 .idProduct = 0xd11b, /* Eminent EM4045 */
3017 RNDIS_MASTER_INTERFACE,
3018 .driver_info = (unsigned long) &bcm4320b_info,
3019 }, {
3020 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3021 | USB_DEVICE_ID_MATCH_DEVICE,
3022 .idVendor = 0x1690,
3023 .idProduct = 0x0715, /* BT Voyager 1055 */
3024 RNDIS_MASTER_INTERFACE,
3025 .driver_info = (unsigned long) &bcm4320b_info,
3026 },
3027 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3028 * parameters available, hardware probably contain older firmware version with
3029 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3030 */
3031 {
3032 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3033 | USB_DEVICE_ID_MATCH_DEVICE,
3034 .idVendor = 0x13b1,
3035 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3036 RNDIS_MASTER_INTERFACE,
3037 .driver_info = (unsigned long) &bcm4320a_info,
3038 }, {
3039 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3040 | USB_DEVICE_ID_MATCH_DEVICE,
3041 .idVendor = 0x0baf,
3042 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3043 RNDIS_MASTER_INTERFACE,
3044 .driver_info = (unsigned long) &bcm4320a_info,
3045 }, {
3046 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3047 | USB_DEVICE_ID_MATCH_DEVICE,
3048 .idVendor = 0x0411,
3049 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3050 RNDIS_MASTER_INTERFACE,
3051 .driver_info = (unsigned long) &bcm4320a_info,
3052 },
3053 /* Generic Wireless RNDIS devices that we don't have exact
3054 * idVendor/idProduct/chip yet.
3055 */
3056 {
3057 /* RNDIS is MSFT's un-official variant of CDC ACM */
3058 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3059 .driver_info = (unsigned long) &rndis_wlan_info,
3060 }, {
3061 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3062 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3063 .driver_info = (unsigned long) &rndis_wlan_info,
3064 },
3065 { }, // END
3066 };
3067 MODULE_DEVICE_TABLE(usb, products);
3068
3069 static struct usb_driver rndis_wlan_driver = {
3070 .name = "rndis_wlan",
3071 .id_table = products,
3072 .probe = usbnet_probe,
3073 .disconnect = usbnet_disconnect,
3074 .suspend = usbnet_suspend,
3075 .resume = usbnet_resume,
3076 };
3077
3078 static int __init rndis_wlan_init(void)
3079 {
3080 return usb_register(&rndis_wlan_driver);
3081 }
3082 module_init(rndis_wlan_init);
3083
3084 static void __exit rndis_wlan_exit(void)
3085 {
3086 usb_deregister(&rndis_wlan_driver);
3087 }
3088 module_exit(rndis_wlan_exit);
3089
3090 MODULE_AUTHOR("Bjorge Dijkstra");
3091 MODULE_AUTHOR("Jussi Kivilinna");
3092 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3093 MODULE_LICENSE("GPL");
3094
Linux kernel - Deliverables
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