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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[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 u8 padding[2];
331 } __attribute__((packed));
332
333 struct ndis_config_param {
334 __le32 name_offs;
335 __le32 name_length;
336 __le32 type;
337 __le32 value_offs;
338 __le32 value_length;
339 } __attribute__((packed));
340
341 struct ndis_80211_assoc_info {
342 __le32 length;
343 __le16 req_ies;
344 struct req_ie {
345 __le16 capa;
346 __le16 listen_interval;
347 u8 cur_ap_address[6];
348 } req_ie;
349 __le32 req_ie_length;
350 __le32 offset_req_ies;
351 __le16 resp_ies;
352 struct resp_ie {
353 __le16 capa;
354 __le16 status_code;
355 __le16 assoc_id;
356 } resp_ie;
357 __le32 resp_ie_length;
358 __le32 offset_resp_ies;
359 } __attribute__((packed));
360
361 /* these have to match what is in wpa_supplicant */
362 enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
363 enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
364 CIPHER_WEP104 };
365 enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
366 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
367
368 /*
369 * private data
370 */
371 #define NET_TYPE_11FB 0
372
373 #define CAP_MODE_80211A 1
374 #define CAP_MODE_80211B 2
375 #define CAP_MODE_80211G 4
376 #define CAP_MODE_MASK 7
377
378 #define WORK_LINK_UP (1<<0)
379 #define WORK_LINK_DOWN (1<<1)
380 #define WORK_SET_MULTICAST_LIST (1<<2)
381
382 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
383
384 static const struct ieee80211_channel rndis_channels[] = {
385 { .center_freq = 2412 },
386 { .center_freq = 2417 },
387 { .center_freq = 2422 },
388 { .center_freq = 2427 },
389 { .center_freq = 2432 },
390 { .center_freq = 2437 },
391 { .center_freq = 2442 },
392 { .center_freq = 2447 },
393 { .center_freq = 2452 },
394 { .center_freq = 2457 },
395 { .center_freq = 2462 },
396 { .center_freq = 2467 },
397 { .center_freq = 2472 },
398 { .center_freq = 2484 },
399 };
400
401 static const struct ieee80211_rate rndis_rates[] = {
402 { .bitrate = 10 },
403 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
404 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
405 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
406 { .bitrate = 60 },
407 { .bitrate = 90 },
408 { .bitrate = 120 },
409 { .bitrate = 180 },
410 { .bitrate = 240 },
411 { .bitrate = 360 },
412 { .bitrate = 480 },
413 { .bitrate = 540 }
414 };
415
416 struct rndis_wlan_encr_key {
417 int len;
418 int cipher;
419 u8 material[32];
420 u8 bssid[ETH_ALEN];
421 bool pairwise;
422 bool tx_key;
423 };
424
425 /* RNDIS device private data */
426 struct rndis_wlan_private {
427 struct usbnet *usbdev;
428
429 struct wireless_dev wdev;
430
431 struct cfg80211_scan_request *scan_request;
432
433 struct workqueue_struct *workqueue;
434 struct delayed_work stats_work;
435 struct delayed_work scan_work;
436 struct work_struct work;
437 struct mutex command_lock;
438 spinlock_t stats_lock;
439 unsigned long work_pending;
440
441 struct ieee80211_supported_band band;
442 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
443 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
444
445 struct iw_statistics iwstats;
446 struct iw_statistics privstats;
447
448 int caps;
449 int multicast_size;
450
451 /* module parameters */
452 char param_country[4];
453 int param_frameburst;
454 int param_afterburner;
455 int param_power_save;
456 int param_power_output;
457 int param_roamtrigger;
458 int param_roamdelta;
459 u32 param_workaround_interval;
460
461 /* hardware state */
462 int radio_on;
463 int infra_mode;
464 struct ndis_80211_ssid essid;
465
466 /* encryption stuff */
467 int encr_tx_key_index;
468 struct rndis_wlan_encr_key encr_keys[4];
469 int wpa_version;
470 int wpa_keymgmt;
471 int wpa_authalg;
472 int wpa_ie_len;
473 u8 *wpa_ie;
474 int wpa_cipher_pair;
475 int wpa_cipher_group;
476
477 u8 command_buffer[COMMAND_BUFFER_SIZE];
478 };
479
480 /*
481 * cfg80211 ops
482 */
483 static int rndis_change_virtual_intf(struct wiphy *wiphy,
484 struct net_device *dev,
485 enum nl80211_iftype type, u32 *flags,
486 struct vif_params *params);
487
488 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
489 struct cfg80211_scan_request *request);
490
491 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
492
493 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
494 int dbm);
495 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
496
497 static struct cfg80211_ops rndis_config_ops = {
498 .change_virtual_intf = rndis_change_virtual_intf,
499 .scan = rndis_scan,
500 .set_wiphy_params = rndis_set_wiphy_params,
501 .set_tx_power = rndis_set_tx_power,
502 .get_tx_power = rndis_get_tx_power,
503 };
504
505 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
506
507
508 static const unsigned char zero_bssid[ETH_ALEN] = {0,};
509 static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
510 0xff, 0xff, 0xff };
511
512
513 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
514 {
515 return (struct rndis_wlan_private *)dev->driver_priv;
516 }
517
518
519 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
520 {
521 switch (priv->param_power_output) {
522 default:
523 case 3:
524 return BCM4320_DEFAULT_TXPOWER_DBM_100;
525 case 2:
526 return BCM4320_DEFAULT_TXPOWER_DBM_75;
527 case 1:
528 return BCM4320_DEFAULT_TXPOWER_DBM_50;
529 case 0:
530 return BCM4320_DEFAULT_TXPOWER_DBM_25;
531 }
532 }
533
534
535 static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
536 {
537 int cipher = priv->encr_keys[idx].cipher;
538
539 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
540 cipher == WLAN_CIPHER_SUITE_TKIP);
541 }
542
543
544 #ifdef DEBUG
545 static const char *oid_to_string(__le32 oid)
546 {
547 switch (oid) {
548 #define OID_STR(oid) case oid: return(#oid)
549 /* from rndis_host.h */
550 OID_STR(OID_802_3_PERMANENT_ADDRESS);
551 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
552 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
553 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
554
555 /* from rndis_wlan.c */
556 OID_STR(OID_GEN_LINK_SPEED);
557 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
558
559 OID_STR(OID_GEN_XMIT_OK);
560 OID_STR(OID_GEN_RCV_OK);
561 OID_STR(OID_GEN_XMIT_ERROR);
562 OID_STR(OID_GEN_RCV_ERROR);
563 OID_STR(OID_GEN_RCV_NO_BUFFER);
564
565 OID_STR(OID_802_3_CURRENT_ADDRESS);
566 OID_STR(OID_802_3_MULTICAST_LIST);
567 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
568
569 OID_STR(OID_802_11_BSSID);
570 OID_STR(OID_802_11_SSID);
571 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
572 OID_STR(OID_802_11_ADD_WEP);
573 OID_STR(OID_802_11_REMOVE_WEP);
574 OID_STR(OID_802_11_DISASSOCIATE);
575 OID_STR(OID_802_11_AUTHENTICATION_MODE);
576 OID_STR(OID_802_11_PRIVACY_FILTER);
577 OID_STR(OID_802_11_BSSID_LIST_SCAN);
578 OID_STR(OID_802_11_ENCRYPTION_STATUS);
579 OID_STR(OID_802_11_ADD_KEY);
580 OID_STR(OID_802_11_REMOVE_KEY);
581 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
582 OID_STR(OID_802_11_PMKID);
583 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
584 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
585 OID_STR(OID_802_11_TX_POWER_LEVEL);
586 OID_STR(OID_802_11_RSSI);
587 OID_STR(OID_802_11_RSSI_TRIGGER);
588 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
589 OID_STR(OID_802_11_RTS_THRESHOLD);
590 OID_STR(OID_802_11_SUPPORTED_RATES);
591 OID_STR(OID_802_11_CONFIGURATION);
592 OID_STR(OID_802_11_BSSID_LIST);
593 #undef OID_STR
594 }
595
596 return "?";
597 }
598 #else
599 static const char *oid_to_string(__le32 oid)
600 {
601 return "?";
602 }
603 #endif
604
605
606 /* translate error code */
607 static int rndis_error_status(__le32 rndis_status)
608 {
609 int ret = -EINVAL;
610 switch (rndis_status) {
611 case RNDIS_STATUS_SUCCESS:
612 ret = 0;
613 break;
614 case RNDIS_STATUS_FAILURE:
615 case RNDIS_STATUS_INVALID_DATA:
616 ret = -EINVAL;
617 break;
618 case RNDIS_STATUS_NOT_SUPPORTED:
619 ret = -EOPNOTSUPP;
620 break;
621 case RNDIS_STATUS_ADAPTER_NOT_READY:
622 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
623 ret = -EBUSY;
624 break;
625 }
626 return ret;
627 }
628
629
630 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
631 {
632 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
633 union {
634 void *buf;
635 struct rndis_msg_hdr *header;
636 struct rndis_query *get;
637 struct rndis_query_c *get_c;
638 } u;
639 int ret, buflen;
640
641 buflen = *len + sizeof(*u.get);
642 if (buflen < CONTROL_BUFFER_SIZE)
643 buflen = CONTROL_BUFFER_SIZE;
644
645 if (buflen > COMMAND_BUFFER_SIZE) {
646 u.buf = kmalloc(buflen, GFP_KERNEL);
647 if (!u.buf)
648 return -ENOMEM;
649 } else {
650 u.buf = priv->command_buffer;
651 }
652
653 mutex_lock(&priv->command_lock);
654
655 memset(u.get, 0, sizeof *u.get);
656 u.get->msg_type = RNDIS_MSG_QUERY;
657 u.get->msg_len = cpu_to_le32(sizeof *u.get);
658 u.get->oid = oid;
659
660 ret = rndis_command(dev, u.header, buflen);
661 if (ret < 0)
662 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
663 "(%08x)", oid_to_string(oid), ret,
664 le32_to_cpu(u.get_c->status));
665
666 if (ret == 0) {
667 ret = le32_to_cpu(u.get_c->len);
668 *len = (*len > ret) ? ret : *len;
669 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
670 ret = rndis_error_status(u.get_c->status);
671
672 if (ret < 0)
673 devdbg(dev, "rndis_query_oid(%s): device returned "
674 "error, 0x%08x (%d)", oid_to_string(oid),
675 le32_to_cpu(u.get_c->status), ret);
676 }
677
678 mutex_unlock(&priv->command_lock);
679
680 if (u.buf != priv->command_buffer)
681 kfree(u.buf);
682 return ret;
683 }
684
685
686 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
687 {
688 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
689 union {
690 void *buf;
691 struct rndis_msg_hdr *header;
692 struct rndis_set *set;
693 struct rndis_set_c *set_c;
694 } u;
695 int ret, buflen;
696
697 buflen = len + sizeof(*u.set);
698 if (buflen < CONTROL_BUFFER_SIZE)
699 buflen = CONTROL_BUFFER_SIZE;
700
701 if (buflen > COMMAND_BUFFER_SIZE) {
702 u.buf = kmalloc(buflen, GFP_KERNEL);
703 if (!u.buf)
704 return -ENOMEM;
705 } else {
706 u.buf = priv->command_buffer;
707 }
708
709 mutex_lock(&priv->command_lock);
710
711 memset(u.set, 0, sizeof *u.set);
712 u.set->msg_type = RNDIS_MSG_SET;
713 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
714 u.set->oid = oid;
715 u.set->len = cpu_to_le32(len);
716 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
717 u.set->handle = cpu_to_le32(0);
718 memcpy(u.buf + sizeof(*u.set), data, len);
719
720 ret = rndis_command(dev, u.header, buflen);
721 if (ret < 0)
722 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
723 "(%08x)", oid_to_string(oid), ret,
724 le32_to_cpu(u.set_c->status));
725
726 if (ret == 0) {
727 ret = rndis_error_status(u.set_c->status);
728
729 if (ret < 0)
730 devdbg(dev, "rndis_set_oid(%s): device returned error, "
731 "0x%08x (%d)", oid_to_string(oid),
732 le32_to_cpu(u.set_c->status), ret);
733 }
734
735 mutex_unlock(&priv->command_lock);
736
737 if (u.buf != priv->command_buffer)
738 kfree(u.buf);
739 return ret;
740 }
741
742
743 static int rndis_reset(struct usbnet *usbdev)
744 {
745 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
746 struct rndis_reset *reset;
747 int ret;
748
749 mutex_lock(&priv->command_lock);
750
751 reset = (void *)priv->command_buffer;
752 memset(reset, 0, sizeof(*reset));
753 reset->msg_type = RNDIS_MSG_RESET;
754 reset->msg_len = cpu_to_le32(sizeof(*reset));
755 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
756
757 mutex_unlock(&priv->command_lock);
758
759 if (ret < 0)
760 return ret;
761 return 0;
762 }
763
764
765 /*
766 * Specs say that we can only set config parameters only soon after device
767 * initialization.
768 * value_type: 0 = u32, 2 = unicode string
769 */
770 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
771 int value_type, void *value)
772 {
773 struct ndis_config_param *infobuf;
774 int value_len, info_len, param_len, ret, i;
775 __le16 *unibuf;
776 __le32 *dst_value;
777
778 if (value_type == 0)
779 value_len = sizeof(__le32);
780 else if (value_type == 2)
781 value_len = strlen(value) * sizeof(__le16);
782 else
783 return -EINVAL;
784
785 param_len = strlen(param) * sizeof(__le16);
786 info_len = sizeof(*infobuf) + param_len + value_len;
787
788 #ifdef DEBUG
789 info_len += 12;
790 #endif
791 infobuf = kmalloc(info_len, GFP_KERNEL);
792 if (!infobuf)
793 return -ENOMEM;
794
795 #ifdef DEBUG
796 info_len -= 12;
797 /* extra 12 bytes are for padding (debug output) */
798 memset(infobuf, 0xCC, info_len + 12);
799 #endif
800
801 if (value_type == 2)
802 devdbg(dev, "setting config parameter: %s, value: %s",
803 param, (u8 *)value);
804 else
805 devdbg(dev, "setting config parameter: %s, value: %d",
806 param, *(u32 *)value);
807
808 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
809 infobuf->name_length = cpu_to_le32(param_len);
810 infobuf->type = cpu_to_le32(value_type);
811 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
812 infobuf->value_length = cpu_to_le32(value_len);
813
814 /* simple string to unicode string conversion */
815 unibuf = (void *)infobuf + sizeof(*infobuf);
816 for (i = 0; i < param_len / sizeof(__le16); i++)
817 unibuf[i] = cpu_to_le16(param[i]);
818
819 if (value_type == 2) {
820 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
821 for (i = 0; i < value_len / sizeof(__le16); i++)
822 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
823 } else {
824 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
825 *dst_value = cpu_to_le32(*(u32 *)value);
826 }
827
828 #ifdef DEBUG
829 devdbg(dev, "info buffer (len: %d):", info_len);
830 for (i = 0; i < info_len; i += 12) {
831 u32 *tmp = (u32 *)((u8 *)infobuf + i);
832 devdbg(dev, "%08X:%08X:%08X",
833 cpu_to_be32(tmp[0]),
834 cpu_to_be32(tmp[1]),
835 cpu_to_be32(tmp[2]));
836 }
837 #endif
838
839 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
840 infobuf, info_len);
841 if (ret != 0)
842 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
843
844 kfree(infobuf);
845 return ret;
846 }
847
848 static int rndis_set_config_parameter_str(struct usbnet *dev,
849 char *param, char *value)
850 {
851 return(rndis_set_config_parameter(dev, param, 2, value));
852 }
853
854 /*static int rndis_set_config_parameter_u32(struct usbnet *dev,
855 char *param, u32 value)
856 {
857 return(rndis_set_config_parameter(dev, param, 0, &value));
858 }*/
859
860
861 /*
862 * data conversion functions
863 */
864 static int level_to_qual(int level)
865 {
866 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
867 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
868 }
869
870
871 static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
872 {
873 freq->e = 0;
874 freq->i = 0;
875 freq->flags = 0;
876
877 /* see comment in wireless.h above the "struct iw_freq"
878 * definition for an explanation of this if
879 * NOTE: 1000000 is due to the kHz
880 */
881 if (dsconfig > 1000000) {
882 freq->m = dsconfig / 10;
883 freq->e = 1;
884 } else
885 freq->m = dsconfig;
886
887 /* convert from kHz to Hz */
888 freq->e += 3;
889 }
890
891
892 static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
893 {
894 if (freq->m < 1000 && freq->e == 0) {
895 if (freq->m >= 1 && freq->m <= 14)
896 *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
897 else
898 return -1;
899 } else {
900 int i;
901 *dsconfig = freq->m;
902 for (i = freq->e; i > 0; i--)
903 *dsconfig *= 10;
904 *dsconfig /= 1000;
905 }
906
907 return 0;
908 }
909
910
911 /*
912 * common functions
913 */
914 static void restore_keys(struct usbnet *usbdev);
915
916 static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
917 {
918 int ret, len;
919
920 len = sizeof(*ssid);
921 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
922
923 if (ret != 0)
924 ssid->length = 0;
925
926 #ifdef DEBUG
927 {
928 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
929
930 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
931 tmp[le32_to_cpu(ssid->length)] = 0;
932 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
933 }
934 #endif
935 return ret;
936 }
937
938
939 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
940 {
941 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
942 int ret;
943
944 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
945 if (ret == 0) {
946 memcpy(&priv->essid, ssid, sizeof(priv->essid));
947 priv->radio_on = 1;
948 devdbg(usbdev, "set_essid: radio_on = 1");
949 }
950
951 return ret;
952 }
953
954
955 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
956 {
957 int ret, len;
958
959 len = ETH_ALEN;
960 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
961
962 if (ret != 0)
963 memset(bssid, 0, ETH_ALEN);
964
965 return ret;
966 }
967
968 static int get_association_info(struct usbnet *usbdev,
969 struct ndis_80211_assoc_info *info, int len)
970 {
971 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
972 info, &len);
973 }
974
975 static int is_associated(struct usbnet *usbdev)
976 {
977 u8 bssid[ETH_ALEN];
978 int ret;
979
980 ret = get_bssid(usbdev, bssid);
981
982 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
983 }
984
985
986 static int disassociate(struct usbnet *usbdev, int reset_ssid)
987 {
988 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
989 struct ndis_80211_ssid ssid;
990 int i, ret = 0;
991
992 if (priv->radio_on) {
993 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
994 if (ret == 0) {
995 priv->radio_on = 0;
996 devdbg(usbdev, "disassociate: radio_on = 0");
997
998 if (reset_ssid)
999 msleep(100);
1000 }
1001 }
1002
1003 /* disassociate causes radio to be turned off; if reset_ssid
1004 * is given, set random ssid to enable radio */
1005 if (reset_ssid) {
1006 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1007 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1008 ssid.essid[0] = 0x1;
1009 ssid.essid[1] = 0xff;
1010 for (i = 2; i < sizeof(ssid.essid); i++)
1011 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1012 ret = set_essid(usbdev, &ssid);
1013 }
1014 return ret;
1015 }
1016
1017
1018 static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
1019 {
1020 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1021 __le32 tmp;
1022 int auth_mode, ret;
1023
1024 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1025 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
1026
1027 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
1028 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1029 auth_mode = NDIS_80211_AUTH_WPA2;
1030 else
1031 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1032 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
1033 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1034 auth_mode = NDIS_80211_AUTH_WPA;
1035 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
1036 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1037 else
1038 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1039 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
1040 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
1041 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
1042 else
1043 auth_mode = NDIS_80211_AUTH_SHARED;
1044 } else
1045 auth_mode = NDIS_80211_AUTH_OPEN;
1046
1047 tmp = cpu_to_le32(auth_mode);
1048 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1049 sizeof(tmp));
1050 if (ret != 0) {
1051 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1052 return ret;
1053 }
1054
1055 priv->wpa_version = wpa_version;
1056 priv->wpa_authalg = authalg;
1057 return 0;
1058 }
1059
1060
1061 static int set_priv_filter(struct usbnet *usbdev)
1062 {
1063 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1064 __le32 tmp;
1065
1066 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1067
1068 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
1069 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
1070 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1071 else
1072 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1073
1074 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1075 sizeof(tmp));
1076 }
1077
1078
1079 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1080 {
1081 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1082 __le32 tmp;
1083 int encr_mode, ret;
1084
1085 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1086 pairwise,
1087 groupwise);
1088
1089 if (pairwise & IW_AUTH_CIPHER_CCMP)
1090 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1091 else if (pairwise & IW_AUTH_CIPHER_TKIP)
1092 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1093 else if (pairwise &
1094 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
1095 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1096 else if (groupwise & IW_AUTH_CIPHER_CCMP)
1097 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1098 else if (groupwise & IW_AUTH_CIPHER_TKIP)
1099 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1100 else
1101 encr_mode = NDIS_80211_ENCR_DISABLED;
1102
1103 tmp = cpu_to_le32(encr_mode);
1104 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1105 sizeof(tmp));
1106 if (ret != 0) {
1107 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1108 return ret;
1109 }
1110
1111 priv->wpa_cipher_pair = pairwise;
1112 priv->wpa_cipher_group = groupwise;
1113 return 0;
1114 }
1115
1116
1117 static int set_assoc_params(struct usbnet *usbdev)
1118 {
1119 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1120
1121 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
1122 set_priv_filter(usbdev);
1123 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
1124
1125 return 0;
1126 }
1127
1128
1129 static int set_infra_mode(struct usbnet *usbdev, int mode)
1130 {
1131 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1132 __le32 tmp;
1133 int ret;
1134
1135 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1136
1137 tmp = cpu_to_le32(mode);
1138 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1139 sizeof(tmp));
1140 if (ret != 0) {
1141 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1142 return ret;
1143 }
1144
1145 /* NDIS drivers clear keys when infrastructure mode is
1146 * changed. But Linux tools assume otherwise. So set the
1147 * keys */
1148 restore_keys(usbdev);
1149
1150 priv->infra_mode = mode;
1151 return 0;
1152 }
1153
1154
1155 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1156 {
1157 __le32 tmp;
1158
1159 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1160
1161 if (rts_threshold < 0 || rts_threshold > 2347)
1162 rts_threshold = 2347;
1163
1164 tmp = cpu_to_le32(rts_threshold);
1165 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1166 sizeof(tmp));
1167 }
1168
1169
1170 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1171 {
1172 __le32 tmp;
1173
1174 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1175
1176 if (frag_threshold < 256 || frag_threshold > 2346)
1177 frag_threshold = 2346;
1178
1179 tmp = cpu_to_le32(frag_threshold);
1180 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1181 sizeof(tmp));
1182 }
1183
1184
1185 static void set_default_iw_params(struct usbnet *usbdev)
1186 {
1187 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1188
1189 priv->wpa_keymgmt = 0;
1190 priv->wpa_version = 0;
1191
1192 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1193 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1194 IW_AUTH_ALG_OPEN_SYSTEM);
1195 set_priv_filter(usbdev);
1196 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1197 }
1198
1199
1200 static int deauthenticate(struct usbnet *usbdev)
1201 {
1202 int ret;
1203
1204 ret = disassociate(usbdev, 1);
1205 set_default_iw_params(usbdev);
1206 return ret;
1207 }
1208
1209
1210 /* index must be 0 - N, as per NDIS */
1211 static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
1212 {
1213 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1214 struct ndis_80211_wep_key ndis_key;
1215 int cipher, ret;
1216
1217 if ((key_len != 5 || key_len != 13) || index < 0 || index > 3)
1218 return -EINVAL;
1219
1220 if (key_len == 5)
1221 cipher = WLAN_CIPHER_SUITE_WEP40;
1222 else
1223 cipher = WLAN_CIPHER_SUITE_WEP104;
1224
1225 memset(&ndis_key, 0, sizeof(ndis_key));
1226
1227 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1228 ndis_key.length = cpu_to_le32(key_len);
1229 ndis_key.index = cpu_to_le32(index);
1230 memcpy(&ndis_key.material, key, key_len);
1231
1232 if (index == priv->encr_tx_key_index) {
1233 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1234 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
1235 IW_AUTH_CIPHER_NONE);
1236 if (ret)
1237 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1238 ret);
1239 }
1240
1241 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1242 sizeof(ndis_key));
1243 if (ret != 0) {
1244 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1245 index+1, ret);
1246 return ret;
1247 }
1248
1249 priv->encr_keys[index].len = key_len;
1250 priv->encr_keys[index].cipher = cipher;
1251 memcpy(&priv->encr_keys[index].material, key, key_len);
1252 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1253
1254 return 0;
1255 }
1256
1257
1258 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1259 int index, const u8 *addr, const u8 *rx_seq, int cipher,
1260 int flags)
1261 {
1262 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1263 struct ndis_80211_key ndis_key;
1264 bool is_addr_ok;
1265 int ret;
1266
1267 if (index < 0 || index >= 4) {
1268 devdbg(usbdev, "add_wpa_key: index out of range (%i)", index);
1269 return -EINVAL;
1270 }
1271 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1272 devdbg(usbdev, "add_wpa_key: key length out of range (%i)",
1273 key_len);
1274 return -EINVAL;
1275 }
1276 if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq) {
1277 devdbg(usbdev, "add_wpa_key: recv seq flag without buffer");
1278 return -EINVAL;
1279 }
1280 is_addr_ok = addr && memcmp(addr, zero_bssid, ETH_ALEN) != 0 &&
1281 memcmp(addr, ffff_bssid, ETH_ALEN) != 0;
1282 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1283 devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)",
1284 addr);
1285 return -EINVAL;
1286 }
1287
1288 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
1289 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1290 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1291 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1292
1293 memset(&ndis_key, 0, sizeof(ndis_key));
1294
1295 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1296 sizeof(ndis_key.material) + key_len);
1297 ndis_key.length = cpu_to_le32(key_len);
1298 ndis_key.index = cpu_to_le32(index) | flags;
1299
1300 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1301 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1302 * different order than NDIS spec, so swap the order here. */
1303 memcpy(ndis_key.material, key, 16);
1304 memcpy(ndis_key.material + 16, key + 24, 8);
1305 memcpy(ndis_key.material + 24, key + 16, 8);
1306 } else
1307 memcpy(ndis_key.material, key, key_len);
1308
1309 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1310 memcpy(ndis_key.rsc, rx_seq, 6);
1311
1312 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1313 /* pairwise key */
1314 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1315 } else {
1316 /* group key */
1317 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1318 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1319 else
1320 get_bssid(usbdev, ndis_key.bssid);
1321 }
1322
1323 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1324 le32_to_cpu(ndis_key.size));
1325 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1326 if (ret != 0)
1327 return ret;
1328
1329 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1330 priv->encr_keys[index].len = key_len;
1331 priv->encr_keys[index].cipher = cipher;
1332 memcpy(&priv->encr_keys[index].material, key, key_len);
1333 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1334 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1335 else
1336 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1337
1338 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1339 priv->encr_tx_key_index = index;
1340
1341 return 0;
1342 }
1343
1344
1345 static int restore_key(struct usbnet *usbdev, int key_idx)
1346 {
1347 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1348 struct rndis_wlan_encr_key key;
1349 int flags;
1350
1351 key = priv->encr_keys[key_idx];
1352
1353 devdbg(usbdev, "restore_key: %i:%s:%i", key_idx,
1354 is_wpa_key(priv, key_idx) ? "wpa" : "wep",
1355 key.len);
1356
1357 if (key.len == 0)
1358 return 0;
1359
1360 if (is_wpa_key(priv, key_idx)) {
1361 flags = 0;
1362
1363 /*if (priv->encr_tx_key_index == key_idx)
1364 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;*/
1365
1366 if (memcmp(key.bssid, zero_bssid, ETH_ALEN) != 0 &&
1367 memcmp(key.bssid, ffff_bssid, ETH_ALEN) != 0)
1368 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
1369
1370 return add_wpa_key(usbdev, key.material, key.len, key_idx,
1371 key.bssid, NULL, key.cipher, flags);
1372 }
1373
1374 return add_wep_key(usbdev, key.material, key.len, key_idx);
1375 }
1376
1377
1378 static void restore_keys(struct usbnet *usbdev)
1379 {
1380 int i;
1381
1382 for (i = 0; i < 4; i++)
1383 restore_key(usbdev, i);
1384 }
1385
1386
1387 static void clear_key(struct rndis_wlan_private *priv, int idx)
1388 {
1389 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1390 }
1391
1392
1393 /* remove_key is for both wep and wpa */
1394 static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1395 {
1396 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1397 struct ndis_80211_remove_key remove_key;
1398 __le32 keyindex;
1399 bool is_wpa;
1400 int ret;
1401
1402 if (priv->encr_keys[index].len == 0)
1403 return 0;
1404
1405 is_wpa = is_wpa_key(priv, index);
1406
1407 devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep",
1408 priv->encr_keys[index].len);
1409
1410 clear_key(priv, index);
1411
1412 if (is_wpa) {
1413 remove_key.size = cpu_to_le32(sizeof(remove_key));
1414 remove_key.index = cpu_to_le32(index);
1415 if (bssid) {
1416 /* pairwise key */
1417 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
1418 remove_key.index |=
1419 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1420 memcpy(remove_key.bssid, bssid,
1421 sizeof(remove_key.bssid));
1422 } else
1423 memset(remove_key.bssid, 0xff,
1424 sizeof(remove_key.bssid));
1425
1426 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1427 sizeof(remove_key));
1428 if (ret != 0)
1429 return ret;
1430 } else {
1431 keyindex = cpu_to_le32(index);
1432 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1433 sizeof(keyindex));
1434 if (ret != 0) {
1435 devwarn(usbdev,
1436 "removing encryption key %d failed (%08X)",
1437 index, ret);
1438 return ret;
1439 }
1440 }
1441
1442 /* if it is transmit key, disable encryption */
1443 if (index == priv->encr_tx_key_index)
1444 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1445
1446 return 0;
1447 }
1448
1449
1450 static void set_multicast_list(struct usbnet *usbdev)
1451 {
1452 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1453 struct dev_mc_list *mclist;
1454 __le32 filter;
1455 int ret, i, size;
1456 char *buf;
1457
1458 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1459
1460 if (usbdev->net->flags & IFF_PROMISC) {
1461 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1462 RNDIS_PACKET_TYPE_ALL_LOCAL;
1463 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1464 usbdev->net->mc_count > priv->multicast_size) {
1465 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1466 } else if (usbdev->net->mc_count > 0) {
1467 size = min(priv->multicast_size, usbdev->net->mc_count);
1468 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1469 if (!buf) {
1470 devwarn(usbdev,
1471 "couldn't alloc %d bytes of memory",
1472 size * ETH_ALEN);
1473 return;
1474 }
1475
1476 mclist = usbdev->net->mc_list;
1477 for (i = 0; i < size && mclist; mclist = mclist->next) {
1478 if (mclist->dmi_addrlen != ETH_ALEN)
1479 continue;
1480
1481 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1482 i++;
1483 }
1484
1485 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1486 i * ETH_ALEN);
1487 if (ret == 0 && i > 0)
1488 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1489 else
1490 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1491
1492 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1493 i, priv->multicast_size, ret);
1494
1495 kfree(buf);
1496 }
1497
1498 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1499 sizeof(filter));
1500 if (ret < 0) {
1501 devwarn(usbdev, "couldn't set packet filter: %08x",
1502 le32_to_cpu(filter));
1503 }
1504
1505 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1506 le32_to_cpu(filter), ret);
1507 }
1508
1509
1510 /*
1511 * cfg80211 ops
1512 */
1513 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1514 struct net_device *dev,
1515 enum nl80211_iftype type, u32 *flags,
1516 struct vif_params *params)
1517 {
1518 struct usbnet *usbdev = netdev_priv(dev);
1519 int mode;
1520
1521 switch (type) {
1522 case NL80211_IFTYPE_ADHOC:
1523 mode = NDIS_80211_INFRA_ADHOC;
1524 break;
1525 case NL80211_IFTYPE_STATION:
1526 mode = NDIS_80211_INFRA_INFRA;
1527 break;
1528 default:
1529 return -EINVAL;
1530 }
1531
1532 return set_infra_mode(usbdev, mode);
1533 }
1534
1535
1536 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1537 {
1538 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1539 struct usbnet *usbdev = priv->usbdev;
1540 int err;
1541
1542 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1543 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1544 if (err < 0)
1545 return err;
1546 }
1547
1548 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1549 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1550 if (err < 0)
1551 return err;
1552 }
1553
1554 return 0;
1555 }
1556
1557
1558 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1559 int dbm)
1560 {
1561 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1562 struct usbnet *usbdev = priv->usbdev;
1563
1564 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1565
1566 /* Device doesn't support changing txpower after initialization, only
1567 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1568 * currently used.
1569 */
1570 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1571 if (!priv->radio_on)
1572 disassociate(usbdev, 1); /* turn on radio */
1573
1574 return 0;
1575 }
1576
1577 return -ENOTSUPP;
1578 }
1579
1580
1581 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1582 {
1583 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1584 struct usbnet *usbdev = priv->usbdev;
1585
1586 *dbm = get_bcm4320_power_dbm(priv);
1587
1588 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1589
1590 return 0;
1591 }
1592
1593
1594 #define SCAN_DELAY_JIFFIES (HZ)
1595 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1596 struct cfg80211_scan_request *request)
1597 {
1598 struct usbnet *usbdev = netdev_priv(dev);
1599 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1600 int ret;
1601 __le32 tmp;
1602
1603 devdbg(usbdev, "cfg80211.scan");
1604
1605 if (!request)
1606 return -EINVAL;
1607
1608 if (priv->scan_request && priv->scan_request != request)
1609 return -EBUSY;
1610
1611 priv->scan_request = request;
1612
1613 tmp = cpu_to_le32(1);
1614 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1615 sizeof(tmp));
1616 if (ret == 0) {
1617 /* Wait before retrieving scan results from device */
1618 queue_delayed_work(priv->workqueue, &priv->scan_work,
1619 SCAN_DELAY_JIFFIES);
1620 }
1621
1622 return ret;
1623 }
1624
1625
1626 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1627 struct ndis_80211_bssid_ex *bssid)
1628 {
1629 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1630 struct ieee80211_channel *channel;
1631 s32 signal;
1632 u64 timestamp;
1633 u16 capability;
1634 u16 beacon_interval;
1635 struct ndis_80211_fixed_ies *fixed;
1636 int ie_len, bssid_len;
1637 u8 *ie;
1638
1639 /* parse bssid structure */
1640 bssid_len = le32_to_cpu(bssid->length);
1641
1642 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1643 sizeof(struct ndis_80211_fixed_ies))
1644 return NULL;
1645
1646 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1647
1648 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1649 ie_len = min(bssid_len - (int)sizeof(*bssid),
1650 (int)le32_to_cpu(bssid->ie_length));
1651 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1652 if (ie_len < 0)
1653 return NULL;
1654
1655 /* extract data for cfg80211_inform_bss */
1656 channel = ieee80211_get_channel(priv->wdev.wiphy,
1657 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1658 if (!channel)
1659 return NULL;
1660
1661 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1662 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1663 capability = le16_to_cpu(fixed->capabilities);
1664 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1665
1666 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1667 timestamp, capability, beacon_interval, ie, ie_len, signal,
1668 GFP_KERNEL);
1669 }
1670
1671
1672 static int rndis_check_bssid_list(struct usbnet *usbdev)
1673 {
1674 void *buf = NULL;
1675 struct ndis_80211_bssid_list_ex *bssid_list;
1676 struct ndis_80211_bssid_ex *bssid;
1677 int ret = -EINVAL, len, count, bssid_len;
1678
1679 devdbg(usbdev, "check_bssid_list");
1680
1681 len = CONTROL_BUFFER_SIZE;
1682 buf = kmalloc(len, GFP_KERNEL);
1683 if (!buf) {
1684 ret = -ENOMEM;
1685 goto out;
1686 }
1687
1688 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1689 if (ret != 0)
1690 goto out;
1691
1692 bssid_list = buf;
1693 bssid = bssid_list->bssid;
1694 bssid_len = le32_to_cpu(bssid->length);
1695 count = le32_to_cpu(bssid_list->num_items);
1696 devdbg(usbdev, "check_bssid_list: %d BSSIDs found", count);
1697
1698 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1699 rndis_bss_info_update(usbdev, bssid);
1700
1701 bssid = (void *)bssid + bssid_len;
1702 bssid_len = le32_to_cpu(bssid->length);
1703 count--;
1704 }
1705
1706 out:
1707 kfree(buf);
1708 return ret;
1709 }
1710
1711
1712 static void rndis_get_scan_results(struct work_struct *work)
1713 {
1714 struct rndis_wlan_private *priv =
1715 container_of(work, struct rndis_wlan_private, scan_work.work);
1716 struct usbnet *usbdev = priv->usbdev;
1717 int ret;
1718
1719 devdbg(usbdev, "get_scan_results");
1720
1721 if (!priv->scan_request)
1722 return;
1723
1724 ret = rndis_check_bssid_list(usbdev);
1725
1726 cfg80211_scan_done(priv->scan_request, ret < 0);
1727
1728 priv->scan_request = NULL;
1729 }
1730
1731
1732 /*
1733 * wireless extension handlers
1734 */
1735
1736 static int rndis_iw_commit(struct net_device *dev,
1737 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1738 {
1739 /* dummy op */
1740 return 0;
1741 }
1742
1743
1744 static int rndis_iw_set_essid(struct net_device *dev,
1745 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1746 {
1747 struct ndis_80211_ssid ssid;
1748 int length = wrqu->essid.length;
1749 struct usbnet *usbdev = netdev_priv(dev);
1750
1751 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1752 wrqu->essid.flags, wrqu->essid.length, essid);
1753
1754 if (length > NDIS_802_11_LENGTH_SSID)
1755 length = NDIS_802_11_LENGTH_SSID;
1756
1757 ssid.length = cpu_to_le32(length);
1758 if (length > 0)
1759 memcpy(ssid.essid, essid, length);
1760 else
1761 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
1762
1763 set_assoc_params(usbdev);
1764
1765 if (!wrqu->essid.flags || length == 0)
1766 return disassociate(usbdev, 1);
1767 else
1768 return set_essid(usbdev, &ssid);
1769 }
1770
1771
1772 static int rndis_iw_get_essid(struct net_device *dev,
1773 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1774 {
1775 struct ndis_80211_ssid ssid;
1776 struct usbnet *usbdev = netdev_priv(dev);
1777 int ret;
1778
1779 ret = get_essid(usbdev, &ssid);
1780
1781 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
1782 wrqu->essid.flags = 1;
1783 wrqu->essid.length = le32_to_cpu(ssid.length);
1784 memcpy(essid, ssid.essid, wrqu->essid.length);
1785 essid[wrqu->essid.length] = 0;
1786 } else {
1787 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1788 wrqu->essid.flags = 0;
1789 wrqu->essid.length = 0;
1790 }
1791 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1792 return ret;
1793 }
1794
1795
1796 static int rndis_iw_get_bssid(struct net_device *dev,
1797 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1798 {
1799 struct usbnet *usbdev = netdev_priv(dev);
1800 unsigned char bssid[ETH_ALEN];
1801 int ret;
1802
1803 ret = get_bssid(usbdev, bssid);
1804
1805 if (ret == 0)
1806 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
1807 else
1808 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1809
1810 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1811 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1812
1813 return ret;
1814 }
1815
1816
1817 static int rndis_iw_set_bssid(struct net_device *dev,
1818 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1819 {
1820 struct usbnet *usbdev = netdev_priv(dev);
1821 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
1822 int ret;
1823
1824 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
1825
1826 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1827
1828 /* user apps may set ap's mac address, which is not required;
1829 * they may fail to work if this function fails, so return
1830 * success */
1831 if (ret)
1832 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1833
1834 return 0;
1835 }
1836
1837
1838 static int rndis_iw_set_auth(struct net_device *dev,
1839 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1840 {
1841 struct iw_param *p = &wrqu->param;
1842 struct usbnet *usbdev = netdev_priv(dev);
1843 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1844 int ret = -ENOTSUPP;
1845
1846 switch (p->flags & IW_AUTH_INDEX) {
1847 case IW_AUTH_WPA_VERSION:
1848 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1849 priv->wpa_version = p->value;
1850 ret = 0;
1851 break;
1852
1853 case IW_AUTH_CIPHER_PAIRWISE:
1854 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1855 priv->wpa_cipher_pair = p->value;
1856 ret = 0;
1857 break;
1858
1859 case IW_AUTH_CIPHER_GROUP:
1860 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1861 priv->wpa_cipher_group = p->value;
1862 ret = 0;
1863 break;
1864
1865 case IW_AUTH_KEY_MGMT:
1866 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1867 priv->wpa_keymgmt = p->value;
1868 ret = 0;
1869 break;
1870
1871 case IW_AUTH_TKIP_COUNTERMEASURES:
1872 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1873 p->value);
1874 ret = 0;
1875 break;
1876
1877 case IW_AUTH_DROP_UNENCRYPTED:
1878 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1879 ret = 0;
1880 break;
1881
1882 case IW_AUTH_80211_AUTH_ALG:
1883 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1884 priv->wpa_authalg = p->value;
1885 ret = 0;
1886 break;
1887
1888 case IW_AUTH_WPA_ENABLED:
1889 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1890 if (wrqu->param.value)
1891 deauthenticate(usbdev);
1892 ret = 0;
1893 break;
1894
1895 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1896 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1897 p->value);
1898 ret = 0;
1899 break;
1900
1901 case IW_AUTH_ROAMING_CONTROL:
1902 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1903 ret = 0;
1904 break;
1905
1906 case IW_AUTH_PRIVACY_INVOKED:
1907 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1908 wrqu->param.flags & IW_AUTH_INDEX);
1909 return -EOPNOTSUPP;
1910
1911 default:
1912 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1913 p->flags & IW_AUTH_INDEX, p->value);
1914 }
1915 return ret;
1916 }
1917
1918
1919 static int rndis_iw_get_auth(struct net_device *dev,
1920 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1921 {
1922 struct iw_param *p = &wrqu->param;
1923 struct usbnet *usbdev = netdev_priv(dev);
1924 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1925
1926 switch (p->flags & IW_AUTH_INDEX) {
1927 case IW_AUTH_WPA_VERSION:
1928 p->value = priv->wpa_version;
1929 break;
1930 case IW_AUTH_CIPHER_PAIRWISE:
1931 p->value = priv->wpa_cipher_pair;
1932 break;
1933 case IW_AUTH_CIPHER_GROUP:
1934 p->value = priv->wpa_cipher_group;
1935 break;
1936 case IW_AUTH_KEY_MGMT:
1937 p->value = priv->wpa_keymgmt;
1938 break;
1939 case IW_AUTH_80211_AUTH_ALG:
1940 p->value = priv->wpa_authalg;
1941 break;
1942 default:
1943 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1944 wrqu->param.flags & IW_AUTH_INDEX);
1945 return -EOPNOTSUPP;
1946 }
1947 return 0;
1948 }
1949
1950
1951 static int rndis_iw_set_encode(struct net_device *dev,
1952 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1953 {
1954 struct usbnet *usbdev = netdev_priv(dev);
1955 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1956 struct rndis_wlan_encr_key key;
1957 int ret, index, key_len;
1958 u8 *keybuf;
1959
1960 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1961
1962 /* iwconfig gives index as 1 - N */
1963 if (index > 0)
1964 index--;
1965 else
1966 index = priv->encr_tx_key_index;
1967
1968 if (index < 0 || index >= 4) {
1969 devwarn(usbdev, "encryption index out of range (%u)", index);
1970 return -EINVAL;
1971 }
1972
1973 /* remove key if disabled */
1974 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
1975 if (remove_key(usbdev, index, NULL))
1976 return -EINVAL;
1977 else
1978 return 0;
1979 }
1980
1981 /* global encryption state (for all keys) */
1982 if (wrqu->data.flags & IW_ENCODE_OPEN)
1983 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1984 IW_AUTH_ALG_OPEN_SYSTEM);
1985 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
1986 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1987 IW_AUTH_ALG_SHARED_KEY);
1988 if (ret != 0)
1989 return ret;
1990
1991 if (wrqu->data.length > 0) {
1992 key_len = wrqu->data.length;
1993 keybuf = extra;
1994 } else {
1995 /* must be set as tx key */
1996 if (priv->encr_keys[index].len == 0)
1997 return -EINVAL;
1998 key = priv->encr_keys[index];
1999 key_len = key.len;
2000 keybuf = key.material;
2001 priv->encr_tx_key_index = index;
2002 }
2003
2004 if (add_wep_key(usbdev, keybuf, key_len, index) != 0)
2005 return -EINVAL;
2006
2007 if (index == priv->encr_tx_key_index)
2008 /* ndis drivers want essid to be set after setting encr */
2009 set_essid(usbdev, &priv->essid);
2010
2011 return 0;
2012 }
2013
2014
2015 static int rndis_iw_set_encode_ext(struct net_device *dev,
2016 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2017 {
2018 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
2019 struct usbnet *usbdev = netdev_priv(dev);
2020 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2021 int keyidx, flags, cipher;
2022
2023 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
2024
2025 /* iwconfig gives index as 1 - N */
2026 if (keyidx)
2027 keyidx--;
2028 else
2029 keyidx = priv->encr_tx_key_index;
2030
2031 if (keyidx < 0 || keyidx >= 4) {
2032 devwarn(usbdev, "encryption index out of range (%u)", keyidx);
2033 return -EINVAL;
2034 }
2035
2036 if (ext->alg == WPA_ALG_WEP) {
2037 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2038 priv->encr_tx_key_index = keyidx;
2039 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
2040 }
2041
2042 cipher = -1;
2043 if (ext->alg == IW_ENCODE_ALG_TKIP)
2044 cipher = WLAN_CIPHER_SUITE_TKIP;
2045 else if (ext->alg == IW_ENCODE_ALG_CCMP)
2046 cipher = WLAN_CIPHER_SUITE_CCMP;
2047
2048 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
2049 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
2050 return remove_key(usbdev, keyidx, NULL);
2051
2052 if (cipher == -1)
2053 return -EOPNOTSUPP;
2054
2055 flags = 0;
2056 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
2057 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2058 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
2059 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
2060 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2061 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
2062
2063 return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx,
2064 (u8 *)&ext->addr.sa_data, ext->rx_seq, cipher,
2065 flags);
2066 }
2067
2068
2069 static int rndis_iw_set_genie(struct net_device *dev,
2070 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2071 {
2072 struct usbnet *usbdev = netdev_priv(dev);
2073 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2074 int ret = 0;
2075
2076 #ifdef DEBUG
2077 int j;
2078 u8 *gie = extra;
2079 for (j = 0; j < wrqu->data.length; j += 8)
2080 devdbg(usbdev,
2081 "SIOCSIWGENIE %04x - "
2082 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
2083 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
2084 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
2085 #endif
2086 /* clear existing IEs */
2087 if (priv->wpa_ie_len) {
2088 kfree(priv->wpa_ie);
2089 priv->wpa_ie_len = 0;
2090 }
2091
2092 /* set new IEs */
2093 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
2094 if (priv->wpa_ie) {
2095 priv->wpa_ie_len = wrqu->data.length;
2096 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
2097 } else
2098 ret = -ENOMEM;
2099 return ret;
2100 }
2101
2102
2103 static int rndis_iw_get_genie(struct net_device *dev,
2104 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2105 {
2106 struct usbnet *usbdev = netdev_priv(dev);
2107 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2108
2109 devdbg(usbdev, "SIOCGIWGENIE");
2110
2111 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
2112 wrqu->data.length = 0;
2113 return 0;
2114 }
2115
2116 if (wrqu->data.length < priv->wpa_ie_len)
2117 return -E2BIG;
2118
2119 wrqu->data.length = priv->wpa_ie_len;
2120 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
2121
2122 return 0;
2123 }
2124
2125
2126 static int rndis_iw_set_freq(struct net_device *dev,
2127 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2128 {
2129 struct usbnet *usbdev = netdev_priv(dev);
2130 struct ndis_80211_conf config;
2131 unsigned int dsconfig;
2132 int len, ret;
2133
2134 /* this OID is valid only when not associated */
2135 if (is_associated(usbdev))
2136 return 0;
2137
2138 dsconfig = 0;
2139 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
2140 return -EINVAL;
2141
2142 len = sizeof(config);
2143 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2144 if (ret != 0) {
2145 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
2146 return 0;
2147 }
2148
2149 config.ds_config = cpu_to_le32(dsconfig);
2150
2151 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
2152 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
2153 sizeof(config));
2154 }
2155
2156
2157 static int rndis_iw_get_freq(struct net_device *dev,
2158 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2159 {
2160 struct usbnet *usbdev = netdev_priv(dev);
2161 struct ndis_80211_conf config;
2162 int len, ret;
2163
2164 len = sizeof(config);
2165 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2166 if (ret == 0)
2167 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
2168
2169 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
2170 return ret;
2171 }
2172
2173
2174 static int rndis_iw_get_rate(struct net_device *dev,
2175 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2176 {
2177 struct usbnet *usbdev = netdev_priv(dev);
2178 __le32 tmp;
2179 int ret, len;
2180
2181 len = sizeof(tmp);
2182 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2183 if (ret == 0) {
2184 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2185 wrqu->bitrate.disabled = 0;
2186 wrqu->bitrate.flags = 1;
2187 }
2188 return ret;
2189 }
2190
2191
2192 static int rndis_iw_set_mlme(struct net_device *dev,
2193 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2194 {
2195 struct usbnet *usbdev = netdev_priv(dev);
2196 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2197 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2198 unsigned char bssid[ETH_ALEN];
2199
2200 get_bssid(usbdev, bssid);
2201
2202 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2203 return -EINVAL;
2204
2205 switch (mlme->cmd) {
2206 case IW_MLME_DEAUTH:
2207 return deauthenticate(usbdev);
2208 case IW_MLME_DISASSOC:
2209 return disassociate(usbdev, priv->radio_on);
2210 default:
2211 return -EOPNOTSUPP;
2212 }
2213
2214 return 0;
2215 }
2216
2217
2218 static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2219 {
2220 struct usbnet *usbdev = netdev_priv(dev);
2221 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2222 unsigned long flags;
2223
2224 spin_lock_irqsave(&priv->stats_lock, flags);
2225 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2226 spin_unlock_irqrestore(&priv->stats_lock, flags);
2227
2228 return &priv->iwstats;
2229 }
2230
2231
2232 #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2233 static const iw_handler rndis_iw_handler[] =
2234 {
2235 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
2236 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
2237 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2238 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
2239 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2240 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
2241 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
2242 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2243 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
2244 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2245 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
2246 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2247 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
2248 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2249 IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
2250 IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
2251 IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
2252 IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
2253 IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
2254 IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
2255 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2256 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2257 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2258 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2259 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2260 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2261 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2262 };
2263
2264 static const iw_handler rndis_wlan_private_handler[] = {
2265 };
2266
2267 static const struct iw_priv_args rndis_wlan_private_args[] = {
2268 };
2269
2270
2271 static const struct iw_handler_def rndis_iw_handlers = {
2272 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2273 .num_private = ARRAY_SIZE(rndis_wlan_private_handler),
2274 .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
2275 .standard = (iw_handler *)rndis_iw_handler,
2276 .private = (iw_handler *)rndis_wlan_private_handler,
2277 .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
2278 .get_wireless_stats = rndis_get_wireless_stats,
2279 };
2280
2281
2282 static void rndis_wlan_worker(struct work_struct *work)
2283 {
2284 struct rndis_wlan_private *priv =
2285 container_of(work, struct rndis_wlan_private, work);
2286 struct usbnet *usbdev = priv->usbdev;
2287 union iwreq_data evt;
2288 unsigned char bssid[ETH_ALEN];
2289 struct ndis_80211_assoc_info *info;
2290 int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
2291 int ret, offset;
2292
2293 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
2294 netif_carrier_on(usbdev->net);
2295
2296 info = kzalloc(assoc_size, GFP_KERNEL);
2297 if (!info)
2298 goto get_bssid;
2299
2300 /* Get association info IEs from device and send them back to
2301 * userspace. */
2302 ret = get_association_info(usbdev, info, assoc_size);
2303 if (!ret) {
2304 evt.data.length = le32_to_cpu(info->req_ie_length);
2305 if (evt.data.length > 0) {
2306 offset = le32_to_cpu(info->offset_req_ies);
2307 wireless_send_event(usbdev->net,
2308 IWEVASSOCREQIE, &evt,
2309 (char *)info + offset);
2310 }
2311
2312 evt.data.length = le32_to_cpu(info->resp_ie_length);
2313 if (evt.data.length > 0) {
2314 offset = le32_to_cpu(info->offset_resp_ies);
2315 wireless_send_event(usbdev->net,
2316 IWEVASSOCRESPIE, &evt,
2317 (char *)info + offset);
2318 }
2319 }
2320
2321 kfree(info);
2322
2323 get_bssid:
2324 ret = get_bssid(usbdev, bssid);
2325 if (!ret) {
2326 evt.data.flags = 0;
2327 evt.data.length = 0;
2328 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2329 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2330 }
2331 }
2332
2333 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
2334 netif_carrier_off(usbdev->net);
2335
2336 evt.data.flags = 0;
2337 evt.data.length = 0;
2338 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2339 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2340 }
2341
2342 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2343 set_multicast_list(usbdev);
2344 }
2345
2346 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2347 {
2348 struct usbnet *usbdev = netdev_priv(dev);
2349 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2350
2351 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2352 return;
2353
2354 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2355 queue_work(priv->workqueue, &priv->work);
2356 }
2357
2358
2359 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2360 struct ndis_80211_status_indication *indication,
2361 int len)
2362 {
2363 u8 *buf;
2364 const char *type;
2365 int flags, buflen;
2366 bool pairwise_error, group_error;
2367 struct ndis_80211_auth_request *auth_req;
2368
2369 /* must have at least one array entry */
2370 if (len < offsetof(struct ndis_80211_status_indication, u) +
2371 sizeof(struct ndis_80211_auth_request)) {
2372 devinfo(usbdev, "authentication indication: "
2373 "too short message (%i)", len);
2374 return;
2375 }
2376
2377 buf = (void *)&indication->u.auth_request[0];
2378 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2379
2380 while (buflen >= sizeof(*auth_req)) {
2381 auth_req = (void *)buf;
2382 type = "unknown";
2383 flags = le32_to_cpu(auth_req->flags);
2384 pairwise_error = false;
2385 group_error = false;
2386
2387 if (flags & 0x1)
2388 type = "reauth request";
2389 if (flags & 0x2)
2390 type = "key update request";
2391 if (flags & 0x6) {
2392 pairwise_error = true;
2393 type = "pairwise_error";
2394 }
2395 if (flags & 0xe) {
2396 group_error = true;
2397 type = "group_error";
2398 }
2399
2400 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2401 le32_to_cpu(auth_req->flags));
2402
2403 if (pairwise_error || group_error) {
2404 union iwreq_data wrqu;
2405 struct iw_michaelmicfailure micfailure;
2406
2407 memset(&micfailure, 0, sizeof(micfailure));
2408 if (pairwise_error)
2409 micfailure.flags |= IW_MICFAILURE_PAIRWISE;
2410 if (group_error)
2411 micfailure.flags |= IW_MICFAILURE_GROUP;
2412
2413 memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
2414 ETH_ALEN);
2415
2416 memset(&wrqu, 0, sizeof(wrqu));
2417 wrqu.data.length = sizeof(micfailure);
2418 wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
2419 &wrqu, (u8 *)&micfailure);
2420 }
2421
2422 buflen -= le32_to_cpu(auth_req->length);
2423 buf += le32_to_cpu(auth_req->length);
2424 }
2425 }
2426
2427 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2428 struct ndis_80211_status_indication *indication,
2429 int len)
2430 {
2431 struct ndis_80211_pmkid_cand_list *cand_list;
2432 int list_len, expected_len, i;
2433
2434 if (len < offsetof(struct ndis_80211_status_indication, u) +
2435 sizeof(struct ndis_80211_pmkid_cand_list)) {
2436 devinfo(usbdev, "pmkid candidate list indication: "
2437 "too short message (%i)", len);
2438 return;
2439 }
2440
2441 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2442 sizeof(struct ndis_80211_pmkid_candidate);
2443 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2444 offsetof(struct ndis_80211_status_indication, u);
2445
2446 if (len < expected_len) {
2447 devinfo(usbdev, "pmkid candidate list indication: "
2448 "list larger than buffer (%i < %i)",
2449 len, expected_len);
2450 return;
2451 }
2452
2453 cand_list = &indication->u.cand_list;
2454
2455 devinfo(usbdev, "pmkid candidate list indication: "
2456 "version %i, candidates %i",
2457 le32_to_cpu(cand_list->version),
2458 le32_to_cpu(cand_list->num_candidates));
2459
2460 if (le32_to_cpu(cand_list->version) != 1)
2461 return;
2462
2463 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2464 struct iw_pmkid_cand pcand;
2465 union iwreq_data wrqu;
2466 struct ndis_80211_pmkid_candidate *cand =
2467 &cand_list->candidate_list[i];
2468
2469 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2470 i, le32_to_cpu(cand->flags), cand->bssid);
2471
2472 memset(&pcand, 0, sizeof(pcand));
2473 if (le32_to_cpu(cand->flags) & 0x01)
2474 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2475 pcand.index = i;
2476 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2477
2478 memset(&wrqu, 0, sizeof(wrqu));
2479 wrqu.data.length = sizeof(pcand);
2480 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2481 (u8 *)&pcand);
2482 }
2483 }
2484
2485 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2486 struct rndis_indicate *msg, int buflen)
2487 {
2488 struct ndis_80211_status_indication *indication;
2489 int len, offset;
2490
2491 offset = offsetof(struct rndis_indicate, status) +
2492 le32_to_cpu(msg->offset);
2493 len = le32_to_cpu(msg->length);
2494
2495 if (len < 8) {
2496 devinfo(usbdev, "media specific indication, "
2497 "ignore too short message (%i < 8)", len);
2498 return;
2499 }
2500
2501 if (offset + len > buflen) {
2502 devinfo(usbdev, "media specific indication, "
2503 "too large to fit to buffer (%i > %i)",
2504 offset + len, buflen);
2505 return;
2506 }
2507
2508 indication = (void *)((u8 *)msg + offset);
2509
2510 switch (le32_to_cpu(indication->status_type)) {
2511 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2512 devinfo(usbdev, "radio state indication: %i",
2513 le32_to_cpu(indication->u.radio_status));
2514 return;
2515
2516 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2517 devinfo(usbdev, "media stream mode indication: %i",
2518 le32_to_cpu(indication->u.media_stream_mode));
2519 return;
2520
2521 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2522 rndis_wlan_auth_indication(usbdev, indication, len);
2523 return;
2524
2525 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2526 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2527 return;
2528
2529 default:
2530 devinfo(usbdev, "media specific indication: "
2531 "unknown status type 0x%08x",
2532 le32_to_cpu(indication->status_type));
2533 }
2534 }
2535
2536
2537 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2538 {
2539 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2540 struct rndis_indicate *msg = ind;
2541
2542 switch (msg->status) {
2543 case RNDIS_STATUS_MEDIA_CONNECT:
2544 devinfo(usbdev, "media connect");
2545
2546 /* queue work to avoid recursive calls into rndis_command */
2547 set_bit(WORK_LINK_UP, &priv->work_pending);
2548 queue_work(priv->workqueue, &priv->work);
2549 break;
2550
2551 case RNDIS_STATUS_MEDIA_DISCONNECT:
2552 devinfo(usbdev, "media disconnect");
2553
2554 /* queue work to avoid recursive calls into rndis_command */
2555 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2556 queue_work(priv->workqueue, &priv->work);
2557 break;
2558
2559 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2560 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2561 break;
2562
2563 default:
2564 devinfo(usbdev, "indication: 0x%08x",
2565 le32_to_cpu(msg->status));
2566 break;
2567 }
2568 }
2569
2570
2571 static int rndis_wlan_get_caps(struct usbnet *usbdev)
2572 {
2573 struct {
2574 __le32 num_items;
2575 __le32 items[8];
2576 } networks_supported;
2577 int len, retval, i, n;
2578 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2579
2580 /* determine supported modes */
2581 len = sizeof(networks_supported);
2582 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2583 &networks_supported, &len);
2584 if (retval >= 0) {
2585 n = le32_to_cpu(networks_supported.num_items);
2586 if (n > 8)
2587 n = 8;
2588 for (i = 0; i < n; i++) {
2589 switch (le32_to_cpu(networks_supported.items[i])) {
2590 case NDIS_80211_TYPE_FREQ_HOP:
2591 case NDIS_80211_TYPE_DIRECT_SEQ:
2592 priv->caps |= CAP_MODE_80211B;
2593 break;
2594 case NDIS_80211_TYPE_OFDM_A:
2595 priv->caps |= CAP_MODE_80211A;
2596 break;
2597 case NDIS_80211_TYPE_OFDM_G:
2598 priv->caps |= CAP_MODE_80211G;
2599 break;
2600 }
2601 }
2602 }
2603
2604 return retval;
2605 }
2606
2607
2608 #define STATS_UPDATE_JIFFIES (HZ)
2609 static void rndis_update_wireless_stats(struct work_struct *work)
2610 {
2611 struct rndis_wlan_private *priv =
2612 container_of(work, struct rndis_wlan_private, stats_work.work);
2613 struct usbnet *usbdev = priv->usbdev;
2614 struct iw_statistics iwstats;
2615 __le32 rssi, tmp;
2616 int len, ret, j;
2617 unsigned long flags;
2618 int update_jiffies = STATS_UPDATE_JIFFIES;
2619 void *buf;
2620
2621 spin_lock_irqsave(&priv->stats_lock, flags);
2622 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2623 spin_unlock_irqrestore(&priv->stats_lock, flags);
2624
2625 /* only update stats when connected */
2626 if (!is_associated(usbdev)) {
2627 iwstats.qual.qual = 0;
2628 iwstats.qual.level = 0;
2629 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2630 | IW_QUAL_LEVEL_UPDATED
2631 | IW_QUAL_NOISE_INVALID
2632 | IW_QUAL_QUAL_INVALID
2633 | IW_QUAL_LEVEL_INVALID;
2634 goto end;
2635 }
2636
2637 len = sizeof(rssi);
2638 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2639
2640 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2641 le32_to_cpu(rssi));
2642 if (ret == 0) {
2643 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2644 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
2645 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
2646 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2647 | IW_QUAL_LEVEL_UPDATED
2648 | IW_QUAL_NOISE_INVALID;
2649 }
2650
2651 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2652
2653 len = sizeof(tmp);
2654 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2655 if (ret == 0)
2656 iwstats.discard.misc += le32_to_cpu(tmp);
2657
2658 len = sizeof(tmp);
2659 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2660 if (ret == 0)
2661 iwstats.discard.misc += le32_to_cpu(tmp);
2662
2663 len = sizeof(tmp);
2664 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2665 if (ret == 0)
2666 iwstats.discard.misc += le32_to_cpu(tmp);
2667
2668 /* Workaround transfer stalls on poor quality links.
2669 * TODO: find right way to fix these stalls (as stalls do not happen
2670 * with ndiswrapper/windows driver). */
2671 if (iwstats.qual.qual <= 25) {
2672 /* Decrease stats worker interval to catch stalls.
2673 * faster. Faster than 400-500ms causes packet loss,
2674 * Slower doesn't catch stalls fast enough.
2675 */
2676 j = msecs_to_jiffies(priv->param_workaround_interval);
2677 if (j > STATS_UPDATE_JIFFIES)
2678 j = STATS_UPDATE_JIFFIES;
2679 else if (j <= 0)
2680 j = 1;
2681 update_jiffies = j;
2682
2683 /* Send scan OID. Use of both OIDs is required to get device
2684 * working.
2685 */
2686 tmp = cpu_to_le32(1);
2687 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2688 sizeof(tmp));
2689
2690 len = CONTROL_BUFFER_SIZE;
2691 buf = kmalloc(len, GFP_KERNEL);
2692 if (!buf)
2693 goto end;
2694
2695 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2696 kfree(buf);
2697 }
2698 end:
2699 spin_lock_irqsave(&priv->stats_lock, flags);
2700 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2701 spin_unlock_irqrestore(&priv->stats_lock, flags);
2702
2703 if (update_jiffies >= HZ)
2704 update_jiffies = round_jiffies_relative(update_jiffies);
2705 else {
2706 j = round_jiffies_relative(update_jiffies);
2707 if (abs(j - update_jiffies) <= 10)
2708 update_jiffies = j;
2709 }
2710
2711 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2712 }
2713
2714
2715 static int bcm4320a_early_init(struct usbnet *usbdev)
2716 {
2717 /* bcm4320a doesn't handle configuration parameters well. Try
2718 * set any and you get partially zeroed mac and broken device.
2719 */
2720
2721 return 0;
2722 }
2723
2724
2725 static int bcm4320b_early_init(struct usbnet *usbdev)
2726 {
2727 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2728 char buf[8];
2729
2730 /* Early initialization settings, setting these won't have effect
2731 * if called after generic_rndis_bind().
2732 */
2733
2734 priv->param_country[0] = modparam_country[0];
2735 priv->param_country[1] = modparam_country[1];
2736 priv->param_country[2] = 0;
2737 priv->param_frameburst = modparam_frameburst;
2738 priv->param_afterburner = modparam_afterburner;
2739 priv->param_power_save = modparam_power_save;
2740 priv->param_power_output = modparam_power_output;
2741 priv->param_roamtrigger = modparam_roamtrigger;
2742 priv->param_roamdelta = modparam_roamdelta;
2743
2744 priv->param_country[0] = toupper(priv->param_country[0]);
2745 priv->param_country[1] = toupper(priv->param_country[1]);
2746 /* doesn't support EU as country code, use FI instead */
2747 if (!strcmp(priv->param_country, "EU"))
2748 strcpy(priv->param_country, "FI");
2749
2750 if (priv->param_power_save < 0)
2751 priv->param_power_save = 0;
2752 else if (priv->param_power_save > 2)
2753 priv->param_power_save = 2;
2754
2755 if (priv->param_power_output < 0)
2756 priv->param_power_output = 0;
2757 else if (priv->param_power_output > 3)
2758 priv->param_power_output = 3;
2759
2760 if (priv->param_roamtrigger < -80)
2761 priv->param_roamtrigger = -80;
2762 else if (priv->param_roamtrigger > -60)
2763 priv->param_roamtrigger = -60;
2764
2765 if (priv->param_roamdelta < 0)
2766 priv->param_roamdelta = 0;
2767 else if (priv->param_roamdelta > 2)
2768 priv->param_roamdelta = 2;
2769
2770 if (modparam_workaround_interval < 0)
2771 priv->param_workaround_interval = 500;
2772 else
2773 priv->param_workaround_interval = modparam_workaround_interval;
2774
2775 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2776 rndis_set_config_parameter_str(usbdev, "FrameBursting",
2777 priv->param_frameburst ? "1" : "0");
2778 rndis_set_config_parameter_str(usbdev, "Afterburner",
2779 priv->param_afterburner ? "1" : "0");
2780 sprintf(buf, "%d", priv->param_power_save);
2781 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
2782 sprintf(buf, "%d", priv->param_power_output);
2783 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
2784 sprintf(buf, "%d", priv->param_roamtrigger);
2785 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
2786 sprintf(buf, "%d", priv->param_roamdelta);
2787 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
2788
2789 return 0;
2790 }
2791
2792 /* same as rndis_netdev_ops but with local multicast handler */
2793 static const struct net_device_ops rndis_wlan_netdev_ops = {
2794 .ndo_open = usbnet_open,
2795 .ndo_stop = usbnet_stop,
2796 .ndo_start_xmit = usbnet_start_xmit,
2797 .ndo_tx_timeout = usbnet_tx_timeout,
2798 .ndo_set_mac_address = eth_mac_addr,
2799 .ndo_validate_addr = eth_validate_addr,
2800 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
2801 };
2802
2803
2804 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
2805 {
2806 struct wiphy *wiphy;
2807 struct rndis_wlan_private *priv;
2808 int retval, len;
2809 __le32 tmp;
2810
2811 /* allocate wiphy and rndis private data
2812 * NOTE: We only support a single virtual interface, so wiphy
2813 * and wireless_dev are somewhat synonymous for this device.
2814 */
2815 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
2816 if (!wiphy)
2817 return -ENOMEM;
2818
2819 priv = wiphy_priv(wiphy);
2820 usbdev->net->ieee80211_ptr = &priv->wdev;
2821 priv->wdev.wiphy = wiphy;
2822 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2823
2824 /* These have to be initialized before calling generic_rndis_bind().
2825 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
2826 */
2827 usbdev->driver_priv = priv;
2828 usbdev->net->wireless_handlers = &rndis_iw_handlers;
2829 priv->usbdev = usbdev;
2830
2831 mutex_init(&priv->command_lock);
2832 spin_lock_init(&priv->stats_lock);
2833
2834 /* because rndis_command() sleeps we need to use workqueue */
2835 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2836 INIT_WORK(&priv->work, rndis_wlan_worker);
2837 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2838 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2839
2840 /* try bind rndis_host */
2841 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2842 if (retval < 0)
2843 goto fail;
2844
2845 /* generic_rndis_bind set packet filter to multicast_all+
2846 * promisc mode which doesn't work well for our devices (device
2847 * picks up rssi to closest station instead of to access point).
2848 *
2849 * rndis_host wants to avoid all OID as much as possible
2850 * so do promisc/multicast handling in rndis_wlan.
2851 */
2852 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
2853
2854 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2855 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2856 sizeof(tmp));
2857
2858 len = sizeof(tmp);
2859 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2860 &len);
2861 priv->multicast_size = le32_to_cpu(tmp);
2862 if (retval < 0 || priv->multicast_size < 0)
2863 priv->multicast_size = 0;
2864 if (priv->multicast_size > 0)
2865 usbdev->net->flags |= IFF_MULTICAST;
2866 else
2867 usbdev->net->flags &= ~IFF_MULTICAST;
2868
2869 priv->iwstats.qual.qual = 0;
2870 priv->iwstats.qual.level = 0;
2871 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2872 | IW_QUAL_LEVEL_UPDATED
2873 | IW_QUAL_NOISE_INVALID
2874 | IW_QUAL_QUAL_INVALID
2875 | IW_QUAL_LEVEL_INVALID;
2876
2877 /* fill-out wiphy structure and register w/ cfg80211 */
2878 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2879 wiphy->privid = rndis_wiphy_privid;
2880 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2881 | BIT(NL80211_IFTYPE_ADHOC);
2882 wiphy->max_scan_ssids = 1;
2883
2884 /* TODO: fill-out band information based on priv->caps */
2885 rndis_wlan_get_caps(usbdev);
2886
2887 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2888 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2889 priv->band.channels = priv->channels;
2890 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2891 priv->band.bitrates = priv->rates;
2892 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2893 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
2894 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2895
2896 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2897
2898 if (wiphy_register(wiphy)) {
2899 retval = -ENODEV;
2900 goto fail;
2901 }
2902
2903 set_default_iw_params(usbdev);
2904
2905 /* set default rts/frag */
2906 rndis_set_wiphy_params(wiphy,
2907 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2908
2909 /* turn radio on */
2910 priv->radio_on = 1;
2911 disassociate(usbdev, 1);
2912 netif_carrier_off(usbdev->net);
2913
2914 return 0;
2915
2916 fail:
2917 cancel_delayed_work_sync(&priv->stats_work);
2918 cancel_delayed_work_sync(&priv->scan_work);
2919 cancel_work_sync(&priv->work);
2920 flush_workqueue(priv->workqueue);
2921 destroy_workqueue(priv->workqueue);
2922
2923 wiphy_free(wiphy);
2924 return retval;
2925 }
2926
2927
2928 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
2929 {
2930 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2931
2932 /* turn radio off */
2933 disassociate(usbdev, 0);
2934
2935 cancel_delayed_work_sync(&priv->stats_work);
2936 cancel_delayed_work_sync(&priv->scan_work);
2937 cancel_work_sync(&priv->work);
2938 flush_workqueue(priv->workqueue);
2939 destroy_workqueue(priv->workqueue);
2940
2941 if (priv && priv->wpa_ie_len)
2942 kfree(priv->wpa_ie);
2943
2944 rndis_unbind(usbdev, intf);
2945
2946 wiphy_unregister(priv->wdev.wiphy);
2947 wiphy_free(priv->wdev.wiphy);
2948 }
2949
2950
2951 static int rndis_wlan_reset(struct usbnet *usbdev)
2952 {
2953 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2954 int retval;
2955
2956 devdbg(usbdev, "rndis_wlan_reset");
2957
2958 retval = rndis_reset(usbdev);
2959 if (retval)
2960 devwarn(usbdev, "rndis_reset() failed: %d", retval);
2961
2962 /* rndis_reset cleared multicast list, so restore here.
2963 (set_multicast_list() also turns on current packet filter) */
2964 set_multicast_list(usbdev);
2965
2966 queue_delayed_work(priv->workqueue, &priv->stats_work,
2967 round_jiffies_relative(STATS_UPDATE_JIFFIES));
2968
2969 return deauthenticate(usbdev);
2970 }
2971
2972
2973 static int rndis_wlan_stop(struct usbnet *usbdev)
2974 {
2975 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2976 int retval;
2977 __le32 filter;
2978
2979 devdbg(usbdev, "rndis_wlan_stop");
2980
2981 retval = disassociate(usbdev, 0);
2982
2983 priv->work_pending = 0;
2984 cancel_delayed_work_sync(&priv->stats_work);
2985 cancel_delayed_work_sync(&priv->scan_work);
2986 cancel_work_sync(&priv->work);
2987 flush_workqueue(priv->workqueue);
2988
2989 if (priv->scan_request) {
2990 cfg80211_scan_done(priv->scan_request, true);
2991 priv->scan_request = NULL;
2992 }
2993
2994 /* Set current packet filter zero to block receiving data packets from
2995 device. */
2996 filter = 0;
2997 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
2998 sizeof(filter));
2999
3000 return retval;
3001 }
3002
3003
3004 static const struct driver_info bcm4320b_info = {
3005 .description = "Wireless RNDIS device, BCM4320b based",
3006 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3007 FLAG_AVOID_UNLINK_URBS,
3008 .bind = rndis_wlan_bind,
3009 .unbind = rndis_wlan_unbind,
3010 .status = rndis_status,
3011 .rx_fixup = rndis_rx_fixup,
3012 .tx_fixup = rndis_tx_fixup,
3013 .reset = rndis_wlan_reset,
3014 .stop = rndis_wlan_stop,
3015 .early_init = bcm4320b_early_init,
3016 .indication = rndis_wlan_indication,
3017 };
3018
3019 static const struct driver_info bcm4320a_info = {
3020 .description = "Wireless RNDIS device, BCM4320a based",
3021 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3022 FLAG_AVOID_UNLINK_URBS,
3023 .bind = rndis_wlan_bind,
3024 .unbind = rndis_wlan_unbind,
3025 .status = rndis_status,
3026 .rx_fixup = rndis_rx_fixup,
3027 .tx_fixup = rndis_tx_fixup,
3028 .reset = rndis_wlan_reset,
3029 .stop = rndis_wlan_stop,
3030 .early_init = bcm4320a_early_init,
3031 .indication = rndis_wlan_indication,
3032 };
3033
3034 static const struct driver_info rndis_wlan_info = {
3035 .description = "Wireless RNDIS device",
3036 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3037 FLAG_AVOID_UNLINK_URBS,
3038 .bind = rndis_wlan_bind,
3039 .unbind = rndis_wlan_unbind,
3040 .status = rndis_status,
3041 .rx_fixup = rndis_rx_fixup,
3042 .tx_fixup = rndis_tx_fixup,
3043 .reset = rndis_wlan_reset,
3044 .stop = rndis_wlan_stop,
3045 .early_init = bcm4320a_early_init,
3046 .indication = rndis_wlan_indication,
3047 };
3048
3049 /*-------------------------------------------------------------------------*/
3050
3051 static const struct usb_device_id products [] = {
3052 #define RNDIS_MASTER_INTERFACE \
3053 .bInterfaceClass = USB_CLASS_COMM, \
3054 .bInterfaceSubClass = 2 /* ACM */, \
3055 .bInterfaceProtocol = 0x0ff
3056
3057 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3058 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3059 */
3060 {
3061 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3062 | USB_DEVICE_ID_MATCH_DEVICE,
3063 .idVendor = 0x0411,
3064 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3065 RNDIS_MASTER_INTERFACE,
3066 .driver_info = (unsigned long) &bcm4320b_info,
3067 }, {
3068 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3069 | USB_DEVICE_ID_MATCH_DEVICE,
3070 .idVendor = 0x0baf,
3071 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3072 RNDIS_MASTER_INTERFACE,
3073 .driver_info = (unsigned long) &bcm4320b_info,
3074 }, {
3075 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3076 | USB_DEVICE_ID_MATCH_DEVICE,
3077 .idVendor = 0x050d,
3078 .idProduct = 0x011b, /* Belkin F5D7051 */
3079 RNDIS_MASTER_INTERFACE,
3080 .driver_info = (unsigned long) &bcm4320b_info,
3081 }, {
3082 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3083 | USB_DEVICE_ID_MATCH_DEVICE,
3084 .idVendor = 0x1799, /* Belkin has two vendor ids */
3085 .idProduct = 0x011b, /* Belkin F5D7051 */
3086 RNDIS_MASTER_INTERFACE,
3087 .driver_info = (unsigned long) &bcm4320b_info,
3088 }, {
3089 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3090 | USB_DEVICE_ID_MATCH_DEVICE,
3091 .idVendor = 0x13b1,
3092 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3093 RNDIS_MASTER_INTERFACE,
3094 .driver_info = (unsigned long) &bcm4320b_info,
3095 }, {
3096 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3097 | USB_DEVICE_ID_MATCH_DEVICE,
3098 .idVendor = 0x13b1,
3099 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3100 RNDIS_MASTER_INTERFACE,
3101 .driver_info = (unsigned long) &bcm4320b_info,
3102 }, {
3103 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3104 | USB_DEVICE_ID_MATCH_DEVICE,
3105 .idVendor = 0x0b05,
3106 .idProduct = 0x1717, /* Asus WL169gE */
3107 RNDIS_MASTER_INTERFACE,
3108 .driver_info = (unsigned long) &bcm4320b_info,
3109 }, {
3110 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3111 | USB_DEVICE_ID_MATCH_DEVICE,
3112 .idVendor = 0x0a5c,
3113 .idProduct = 0xd11b, /* Eminent EM4045 */
3114 RNDIS_MASTER_INTERFACE,
3115 .driver_info = (unsigned long) &bcm4320b_info,
3116 }, {
3117 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3118 | USB_DEVICE_ID_MATCH_DEVICE,
3119 .idVendor = 0x1690,
3120 .idProduct = 0x0715, /* BT Voyager 1055 */
3121 RNDIS_MASTER_INTERFACE,
3122 .driver_info = (unsigned long) &bcm4320b_info,
3123 },
3124 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3125 * parameters available, hardware probably contain older firmware version with
3126 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3127 */
3128 {
3129 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3130 | USB_DEVICE_ID_MATCH_DEVICE,
3131 .idVendor = 0x13b1,
3132 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3133 RNDIS_MASTER_INTERFACE,
3134 .driver_info = (unsigned long) &bcm4320a_info,
3135 }, {
3136 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3137 | USB_DEVICE_ID_MATCH_DEVICE,
3138 .idVendor = 0x0baf,
3139 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3140 RNDIS_MASTER_INTERFACE,
3141 .driver_info = (unsigned long) &bcm4320a_info,
3142 }, {
3143 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3144 | USB_DEVICE_ID_MATCH_DEVICE,
3145 .idVendor = 0x0411,
3146 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3147 RNDIS_MASTER_INTERFACE,
3148 .driver_info = (unsigned long) &bcm4320a_info,
3149 },
3150 /* Generic Wireless RNDIS devices that we don't have exact
3151 * idVendor/idProduct/chip yet.
3152 */
3153 {
3154 /* RNDIS is MSFT's un-official variant of CDC ACM */
3155 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3156 .driver_info = (unsigned long) &rndis_wlan_info,
3157 }, {
3158 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3159 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3160 .driver_info = (unsigned long) &rndis_wlan_info,
3161 },
3162 { }, // END
3163 };
3164 MODULE_DEVICE_TABLE(usb, products);
3165
3166 static struct usb_driver rndis_wlan_driver = {
3167 .name = "rndis_wlan",
3168 .id_table = products,
3169 .probe = usbnet_probe,
3170 .disconnect = usbnet_disconnect,
3171 .suspend = usbnet_suspend,
3172 .resume = usbnet_resume,
3173 };
3174
3175 static int __init rndis_wlan_init(void)
3176 {
3177 return usb_register(&rndis_wlan_driver);
3178 }
3179 module_init(rndis_wlan_init);
3180
3181 static void __exit rndis_wlan_exit(void)
3182 {
3183 usb_deregister(&rndis_wlan_driver);
3184 }
3185 module_exit(rndis_wlan_exit);
3186
3187 MODULE_AUTHOR("Bjorge Dijkstra");
3188 MODULE_AUTHOR("Jussi Kivilinna");
3189 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3190 MODULE_LICENSE("GPL");
3191
Linux kernel - Deliverables
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