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rndis_wlan: enable infrastructure before setting random essid
[mirror_ubuntu-jammy-kernel.git] / drivers / net / wireless / rndis_wlan.c
CommitLineData
bf164cc0
JK		 1/*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
9656e85b 5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
bf164cc0
JK		 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>
2c706002 40#include <linux/ieee80211.h>
bf164cc0
JK		 41#include <linux/if_arp.h>
42#include <linux/ctype.h>
43#include <linux/spinlock.h>
44#include <net/iw_handler.h>
5c8fa4f7 45#include <net/cfg80211.h>
bf164cc0
JK		 46#include <linux/usb/usbnet.h>
47#include <linux/usb/rndis_host.h>
48
49
50/* NOTE: All these are settings for Broadcom chipset */
51static char modparam_country[4] = "EU";
52module_param_string(country, modparam_country, 4, 0444);
53MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
54
55static int modparam_frameburst = 1;
56module_param_named(frameburst, modparam_frameburst, int, 0444);
57MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
58
59static int modparam_afterburner = 0;
60module_param_named(afterburner, modparam_afterburner, int, 0444);
61MODULE_PARM_DESC(afterburner,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
63
64static int modparam_power_save = 0;
65module_param_named(power_save, modparam_power_save, int, 0444);
66MODULE_PARM_DESC(power_save,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
68
69static int modparam_power_output = 3;
70module_param_named(power_output, modparam_power_output, int, 0444);
71MODULE_PARM_DESC(power_output,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
73
74static int modparam_roamtrigger = -70;
75module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
76MODULE_PARM_DESC(roamtrigger,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
79
80static int modparam_roamdelta = 1;
81module_param_named(roamdelta, modparam_roamdelta, int, 0444);
82MODULE_PARM_DESC(roamdelta,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
85
86static int modparam_workaround_interval = 500;
87module_param_named(workaround_interval, modparam_workaround_interval,
88 int, 0444);
89MODULE_PARM_DESC(workaround_interval,
90 "set stall workaround interval in msecs (default: 500)");
91
92
93/* various RNDIS OID defs */
35c26c2c
HH		 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
35c26c2c
HH		 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)
bf164cc0
JK		 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.
222ec50a
JK		 141 * 100% : 20 mW ~ 13dBm
142 * 75% : 15 mW ~ 12dBm
143 * 50% : 10 mW ~ 10dBm
144 * 25% : 5 mW ~ 7dBm
bf164cc0 145 */
222ec50a
JK		 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
bf164cc0
JK		 150
151
152/* codes for "status" field of completion messages */
35c26c2c
HH		 153#define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
154#define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
bf164cc0
JK		 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
1e41e1d2 164enum ndis_80211_net_type {
aa18294a
JK		 165 NDIS_80211_TYPE_FREQ_HOP,
166 NDIS_80211_TYPE_DIRECT_SEQ,
167 NDIS_80211_TYPE_OFDM_A,
168 NDIS_80211_TYPE_OFDM_G
1e41e1d2
JK		 169};
170
171enum ndis_80211_net_infra {
aa18294a
JK		 172 NDIS_80211_INFRA_ADHOC,
173 NDIS_80211_INFRA_INFRA,
174 NDIS_80211_INFRA_AUTO_UNKNOWN
1e41e1d2
JK		 175};
176
177enum ndis_80211_auth_mode {
aa18294a
JK		 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
1e41e1d2
JK		 186};
187
188enum ndis_80211_encr_status {
aa18294a
JK		 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
1e41e1d2
JK		 197};
198
199enum ndis_80211_priv_filter {
aa18294a
JK		 200 NDIS_80211_PRIV_ACCEPT_ALL,
201 NDIS_80211_PRIV_8021X_WEP
1e41e1d2
JK		 202};
203
030645ac
JK		 204enum 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
211enum ndis_80211_media_stream_mode {
212 NDIS_80211_MEDIA_STREAM_OFF,
213 NDIS_80211_MEDIA_STREAM_ON
214};
215
216enum 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
b4703a2e 222enum ndis_80211_addkey_bits {
aa18294a
JK		 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)
b4703a2e
JK		 227};
228
229enum ndis_80211_addwep_bits {
aa18294a
JK		 230 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
231 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 232};
233
030645ac
JK		 234struct ndis_80211_auth_request {
235 __le32 length;
236 u8 bssid[6];
237 u8 padding[2];
238 __le32 flags;
239} __attribute__((packed));
240
241struct ndis_80211_pmkid_candidate {
242 u8 bssid[6];
243 u8 padding[2];
244 __le32 flags;
245} __attribute__((packed));
246
247struct 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
253struct 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
1e41e1d2 263struct ndis_80211_ssid {
461b3f2a
JK		 264 __le32 length;
265 u8 essid[NDIS_802_11_LENGTH_SSID];
bf164cc0
JK		 266} __attribute__((packed));
267
1e41e1d2 268struct ndis_80211_conf_freq_hop {
461b3f2a
JK		 269 __le32 length;
270 __le32 hop_pattern;
271 __le32 hop_set;
272 __le32 dwell_time;
bf164cc0
JK		 273} __attribute__((packed));
274
1e41e1d2 275struct ndis_80211_conf {
461b3f2a
JK		 276 __le32 length;
277 __le32 beacon_period;
278 __le32 atim_window;
279 __le32 ds_config;
280 struct ndis_80211_conf_freq_hop fh_config;
bf164cc0
JK		 281} __attribute__((packed));
282
1e41e1d2 283struct ndis_80211_bssid_ex {
461b3f2a
JK		 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];
bf164cc0
JK		 296} __attribute__((packed));
297
1e41e1d2 298struct ndis_80211_bssid_list_ex {
461b3f2a
JK		 299 __le32 num_items;
300 struct ndis_80211_bssid_ex bssid[0];
bf164cc0
JK		 301} __attribute__((packed));
302
1e41e1d2 303struct ndis_80211_fixed_ies {
461b3f2a
JK		 304 u8 timestamp[8];
305 __le16 beacon_interval;
306 __le16 capabilities;
bf164cc0
JK		 307} __attribute__((packed));
308
1e41e1d2 309struct ndis_80211_wep_key {
461b3f2a
JK		 310 __le32 size;
311 __le32 index;
312 __le32 length;
313 u8 material[32];
bf164cc0
JK		 314} __attribute__((packed));
315
1e41e1d2 316struct ndis_80211_key {
461b3f2a
JK		 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];
bf164cc0
JK		 324} __attribute__((packed));
325
1e41e1d2 326struct ndis_80211_remove_key {
461b3f2a
JK		 327 __le32 size;
328 __le32 index;
329 u8 bssid[6];
9d40934e 330 u8 padding[2];
bf164cc0
JK		 331} __attribute__((packed));
332
1e41e1d2 333struct ndis_config_param {
461b3f2a
JK		 334 __le32 name_offs;
335 __le32 name_length;
336 __le32 type;
337 __le32 value_offs;
338 __le32 value_length;
bf164cc0
JK		 339} __attribute__((packed));
340
4364623c
SA		 341struct 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
bf164cc0 361/* these have to match what is in wpa_supplicant */
5b0acc64
JB		 362enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
363enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
364 CIPHER_WEP104 };
365enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
366 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
bf164cc0
JK		 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
bf164cc0 377
6010ce07
JK		 378#define WORK_LINK_UP (1<<0)
379#define WORK_LINK_DOWN (1<<1)
380#define WORK_SET_MULTICAST_LIST (1<<2)
bf164cc0 381
90d07349
JK		 382#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
383
5c8fa4f7
JL		 384static 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
401static 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
4a7f13ee
JK		 416static const u32 rndis_cipher_suites[] = {
417 WLAN_CIPHER_SUITE_WEP40,
418 WLAN_CIPHER_SUITE_WEP104,
419 WLAN_CIPHER_SUITE_TKIP,
420 WLAN_CIPHER_SUITE_CCMP,
421};
422
b7cfc5b3
JK		 423struct rndis_wlan_encr_key {
424 int len;
425 int cipher;
426 u8 material[32];
427 u8 bssid[ETH_ALEN];
428 bool pairwise;
429 bool tx_key;
430};
431
bf164cc0 432/* RNDIS device private data */
582241a0 433struct rndis_wlan_private {
bf164cc0
JK		 434 struct usbnet *usbdev;
435
5c8fa4f7
JL		 436 struct wireless_dev wdev;
437
71a7b26d
JK		 438 struct cfg80211_scan_request *scan_request;
439
bf164cc0
JK		 440 struct workqueue_struct *workqueue;
441 struct delayed_work stats_work;
71a7b26d 442 struct delayed_work scan_work;
bf164cc0
JK		 443 struct work_struct work;
444 struct mutex command_lock;
445 spinlock_t stats_lock;
446 unsigned long work_pending;
447
5c8fa4f7
JL		 448 struct ieee80211_supported_band band;
449 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
450 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
4a7f13ee 451 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
5c8fa4f7 452
bf164cc0
JK		 453 struct iw_statistics iwstats;
454 struct iw_statistics privstats;
455
bf164cc0
JK		 456 int caps;
457 int multicast_size;
458
459 /* module parameters */
460 char param_country[4];
461 int param_frameburst;
462 int param_afterburner;
463 int param_power_save;
464 int param_power_output;
465 int param_roamtrigger;
466 int param_roamdelta;
467 u32 param_workaround_interval;
468
469 /* hardware state */
470 int radio_on;
471 int infra_mode;
1e41e1d2 472 struct ndis_80211_ssid essid;
5f81ff5a 473 __le32 current_command_oid;
bf164cc0
JK		 474
475 /* encryption stuff */
476 int encr_tx_key_index;
b7cfc5b3 477 struct rndis_wlan_encr_key encr_keys[4];
bf164cc0
JK		 478 int wpa_version;
479 int wpa_keymgmt;
480 int wpa_authalg;
481 int wpa_ie_len;
482 u8 *wpa_ie;
483 int wpa_cipher_pair;
484 int wpa_cipher_group;
90d07349
JK		 485
486 u8 command_buffer[COMMAND_BUFFER_SIZE];
bf164cc0
JK		 487};
488
964c1d41
JL		 489/*
490 * cfg80211 ops
491 */
e36d56b6
JB		 492static int rndis_change_virtual_intf(struct wiphy *wiphy,
493 struct net_device *dev,
964c1d41
JL		 494 enum nl80211_iftype type, u32 *flags,
495 struct vif_params *params);
496
71a7b26d
JK		 497static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
498 struct cfg80211_scan_request *request);
499
d75ec2b7
JK		 500static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
501
222ec50a
JK		 502static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
503 int dbm);
504static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
505
caa6dfad 506static struct cfg80211_ops rndis_config_ops = {
964c1d41 507 .change_virtual_intf = rndis_change_virtual_intf,
71a7b26d 508 .scan = rndis_scan,
d75ec2b7 509 .set_wiphy_params = rndis_set_wiphy_params,
222ec50a
JK		 510 .set_tx_power = rndis_set_tx_power,
511 .get_tx_power = rndis_get_tx_power,
964c1d41 512};
bf164cc0 513
caa6dfad 514static void *rndis_wiphy_privid = &rndis_wiphy_privid;
bf164cc0 515
bf164cc0 516
582241a0 517static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
bf164cc0 518{
582241a0 519 return (struct rndis_wlan_private *)dev->driver_priv;
bf164cc0
JK		 520}
521
522
222ec50a 523static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
bf164cc0 524{
222ec50a
JK		 525 switch (priv->param_power_output) {
526 default:
527 case 3:
528 return BCM4320_DEFAULT_TXPOWER_DBM_100;
529 case 2:
530 return BCM4320_DEFAULT_TXPOWER_DBM_75;
531 case 1:
532 return BCM4320_DEFAULT_TXPOWER_DBM_50;
533 case 0:
534 return BCM4320_DEFAULT_TXPOWER_DBM_25;
535 }
bf164cc0
JK		 536}
537
538
b7cfc5b3
JK		 539static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
540{
541 int cipher = priv->encr_keys[idx].cipher;
542
543 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
544 cipher == WLAN_CIPHER_SUITE_TKIP);
545}
546
547
27b7b5c1
JK		 548#ifdef DEBUG
549static const char *oid_to_string(__le32 oid)
550{
551 switch (oid) {
552#define OID_STR(oid) case oid: return(#oid)
553 /* from rndis_host.h */
554 OID_STR(OID_802_3_PERMANENT_ADDRESS);
555 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
556 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
557 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
558
559 /* from rndis_wlan.c */
560 OID_STR(OID_GEN_LINK_SPEED);
561 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
562
563 OID_STR(OID_GEN_XMIT_OK);
564 OID_STR(OID_GEN_RCV_OK);
565 OID_STR(OID_GEN_XMIT_ERROR);
566 OID_STR(OID_GEN_RCV_ERROR);
567 OID_STR(OID_GEN_RCV_NO_BUFFER);
568
569 OID_STR(OID_802_3_CURRENT_ADDRESS);
570 OID_STR(OID_802_3_MULTICAST_LIST);
571 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
572
573 OID_STR(OID_802_11_BSSID);
574 OID_STR(OID_802_11_SSID);
575 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
576 OID_STR(OID_802_11_ADD_WEP);
577 OID_STR(OID_802_11_REMOVE_WEP);
578 OID_STR(OID_802_11_DISASSOCIATE);
579 OID_STR(OID_802_11_AUTHENTICATION_MODE);
580 OID_STR(OID_802_11_PRIVACY_FILTER);
581 OID_STR(OID_802_11_BSSID_LIST_SCAN);
582 OID_STR(OID_802_11_ENCRYPTION_STATUS);
583 OID_STR(OID_802_11_ADD_KEY);
584 OID_STR(OID_802_11_REMOVE_KEY);
585 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
586 OID_STR(OID_802_11_PMKID);
587 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
588 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
589 OID_STR(OID_802_11_TX_POWER_LEVEL);
590 OID_STR(OID_802_11_RSSI);
591 OID_STR(OID_802_11_RSSI_TRIGGER);
592 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
593 OID_STR(OID_802_11_RTS_THRESHOLD);
594 OID_STR(OID_802_11_SUPPORTED_RATES);
595 OID_STR(OID_802_11_CONFIGURATION);
596 OID_STR(OID_802_11_BSSID_LIST);
597#undef OID_STR
598 }
599
600 return "?";
601}
602#else
603static const char *oid_to_string(__le32 oid)
604{
605 return "?";
606}
607#endif
608
609
bf164cc0
JK		 610/* translate error code */
611static int rndis_error_status(__le32 rndis_status)
612{
613 int ret = -EINVAL;
614 switch (rndis_status) {
615 case RNDIS_STATUS_SUCCESS:
616 ret = 0;
617 break;
618 case RNDIS_STATUS_FAILURE:
619 case RNDIS_STATUS_INVALID_DATA:
620 ret = -EINVAL;
621 break;
622 case RNDIS_STATUS_NOT_SUPPORTED:
623 ret = -EOPNOTSUPP;
624 break;
625 case RNDIS_STATUS_ADAPTER_NOT_READY:
626 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
627 ret = -EBUSY;
628 break;
629 }
630 return ret;
631}
632
633
634static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
635{
582241a0 636 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 637 union {
638 void *buf;
639 struct rndis_msg_hdr *header;
640 struct rndis_query *get;
641 struct rndis_query_c *get_c;
642 } u;
643 int ret, buflen;
644
645 buflen = *len + sizeof(*u.get);
646 if (buflen < CONTROL_BUFFER_SIZE)
647 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 648
649 if (buflen > COMMAND_BUFFER_SIZE) {
650 u.buf = kmalloc(buflen, GFP_KERNEL);
651 if (!u.buf)
652 return -ENOMEM;
653 } else {
654 u.buf = priv->command_buffer;
655 }
656
657 mutex_lock(&priv->command_lock);
658
bf164cc0
JK		 659 memset(u.get, 0, sizeof *u.get);
660 u.get->msg_type = RNDIS_MSG_QUERY;
35c26c2c 661 u.get->msg_len = cpu_to_le32(sizeof *u.get);
bf164cc0
JK		 662 u.get->oid = oid;
663
5f81ff5a 664 priv->current_command_oid = oid;
818727ba 665 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 666 priv->current_command_oid = 0;
27b7b5c1
JK		 667 if (ret < 0)
668 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
669 "(%08x)", oid_to_string(oid), ret,
670 le32_to_cpu(u.get_c->status));
671
bf164cc0
JK		 672 if (ret == 0) {
673 ret = le32_to_cpu(u.get_c->len);
5fd8f250
JK		 674 if (ret > *len)
675 *len = ret;
bf164cc0
JK		 676 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
677 ret = rndis_error_status(u.get_c->status);
27b7b5c1
JK		 678
679 if (ret < 0)
680 devdbg(dev, "rndis_query_oid(%s): device returned "
681 "error, 0x%08x (%d)", oid_to_string(oid),
682 le32_to_cpu(u.get_c->status), ret);
bf164cc0
JK		 683 }
684
90d07349
JK		 685 mutex_unlock(&priv->command_lock);
686
687 if (u.buf != priv->command_buffer)
688 kfree(u.buf);
bf164cc0
JK		 689 return ret;
690}
691
692
693static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
694{
582241a0 695 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 696 union {
697 void *buf;
698 struct rndis_msg_hdr *header;
699 struct rndis_set *set;
700 struct rndis_set_c *set_c;
701 } u;
702 int ret, buflen;
703
704 buflen = len + sizeof(*u.set);
705 if (buflen < CONTROL_BUFFER_SIZE)
706 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 707
708 if (buflen > COMMAND_BUFFER_SIZE) {
709 u.buf = kmalloc(buflen, GFP_KERNEL);
710 if (!u.buf)
711 return -ENOMEM;
712 } else {
713 u.buf = priv->command_buffer;
714 }
715
716 mutex_lock(&priv->command_lock);
bf164cc0
JK		 717
718 memset(u.set, 0, sizeof *u.set);
719 u.set->msg_type = RNDIS_MSG_SET;
720 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
721 u.set->oid = oid;
722 u.set->len = cpu_to_le32(len);
35c26c2c
HH		 723 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
724 u.set->handle = cpu_to_le32(0);
bf164cc0
JK		 725 memcpy(u.buf + sizeof(*u.set), data, len);
726
5f81ff5a 727 priv->current_command_oid = oid;
818727ba 728 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 729 priv->current_command_oid = 0;
27b7b5c1
JK		 730 if (ret < 0)
731 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
732 "(%08x)", oid_to_string(oid), ret,
733 le32_to_cpu(u.set_c->status));
734
735 if (ret == 0) {
bf164cc0
JK		 736 ret = rndis_error_status(u.set_c->status);
737
27b7b5c1
JK		 738 if (ret < 0)
739 devdbg(dev, "rndis_set_oid(%s): device returned error, "
740 "0x%08x (%d)", oid_to_string(oid),
741 le32_to_cpu(u.set_c->status), ret);
742 }
743
90d07349
JK		 744 mutex_unlock(&priv->command_lock);
745
746 if (u.buf != priv->command_buffer)
747 kfree(u.buf);
bf164cc0
JK		 748 return ret;
749}
750
751
7eaab708
JK		 752static int rndis_reset(struct usbnet *usbdev)
753{
754 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
755 struct rndis_reset *reset;
756 int ret;
757
758 mutex_lock(&priv->command_lock);
759
760 reset = (void *)priv->command_buffer;
761 memset(reset, 0, sizeof(*reset));
762 reset->msg_type = RNDIS_MSG_RESET;
763 reset->msg_len = cpu_to_le32(sizeof(*reset));
5f81ff5a 764 priv->current_command_oid = 0;
7eaab708
JK		 765 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
766
767 mutex_unlock(&priv->command_lock);
768
769 if (ret < 0)
770 return ret;
771 return 0;
772}
773
774
bf164cc0
JK		 775/*
776 * Specs say that we can only set config parameters only soon after device
777 * initialization.
778 * value_type: 0 = u32, 2 = unicode string
779 */
780static int rndis_set_config_parameter(struct usbnet *dev, char *param,
781 int value_type, void *value)
782{
1e41e1d2 783 struct ndis_config_param *infobuf;
bf164cc0
JK		 784 int value_len, info_len, param_len, ret, i;
785 __le16 *unibuf;
786 __le32 *dst_value;
787
788 if (value_type == 0)
789 value_len = sizeof(__le32);
790 else if (value_type == 2)
791 value_len = strlen(value) * sizeof(__le16);
792 else
793 return -EINVAL;
794
795 param_len = strlen(param) * sizeof(__le16);
796 info_len = sizeof(*infobuf) + param_len + value_len;
797
798#ifdef DEBUG
799 info_len += 12;
800#endif
801 infobuf = kmalloc(info_len, GFP_KERNEL);
802 if (!infobuf)
803 return -ENOMEM;
804
805#ifdef DEBUG
806 info_len -= 12;
807 /* extra 12 bytes are for padding (debug output) */
808 memset(infobuf, 0xCC, info_len + 12);
809#endif
810
811 if (value_type == 2)
812 devdbg(dev, "setting config parameter: %s, value: %s",
813 param, (u8 *)value);
814 else
815 devdbg(dev, "setting config parameter: %s, value: %d",
816 param, *(u32 *)value);
817
461b3f2a
JK		 818 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
819 infobuf->name_length = cpu_to_le32(param_len);
820 infobuf->type = cpu_to_le32(value_type);
821 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
822 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 823
824 /* simple string to unicode string conversion */
825 unibuf = (void *)infobuf + sizeof(*infobuf);
826 for (i = 0; i < param_len / sizeof(__le16); i++)
827 unibuf[i] = cpu_to_le16(param[i]);
828
829 if (value_type == 2) {
830 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
831 for (i = 0; i < value_len / sizeof(__le16); i++)
832 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
833 } else {
834 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
835 *dst_value = cpu_to_le32(*(u32 *)value);
836 }
837
838#ifdef DEBUG
839 devdbg(dev, "info buffer (len: %d):", info_len);
840 for (i = 0; i < info_len; i += 12) {
841 u32 *tmp = (u32 *)((u8 *)infobuf + i);
842 devdbg(dev, "%08X:%08X:%08X",
843 cpu_to_be32(tmp[0]),
844 cpu_to_be32(tmp[1]),
845 cpu_to_be32(tmp[2]));
846 }
847#endif
848
849 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
850 infobuf, info_len);
851 if (ret != 0)
6d60f9df 852 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
bf164cc0
JK		 853
854 kfree(infobuf);
855 return ret;
856}
857
858static int rndis_set_config_parameter_str(struct usbnet *dev,
859 char *param, char *value)
860{
861 return(rndis_set_config_parameter(dev, param, 2, value));
862}
863
864/*static int rndis_set_config_parameter_u32(struct usbnet *dev,
865 char *param, u32 value)
866{
867 return(rndis_set_config_parameter(dev, param, 0, &value));
868}*/
869
870
871/*
872 * data conversion functions
873 */
874static int level_to_qual(int level)
875{
876 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
877 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
878}
879
880
881static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
882{
883 freq->e = 0;
884 freq->i = 0;
885 freq->flags = 0;
886
887 /* see comment in wireless.h above the "struct iw_freq"
888 * definition for an explanation of this if
889 * NOTE: 1000000 is due to the kHz
890 */
891 if (dsconfig > 1000000) {
892 freq->m = dsconfig / 10;
893 freq->e = 1;
894 } else
895 freq->m = dsconfig;
896
897 /* convert from kHz to Hz */
898 freq->e += 3;
899}
900
901
902static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
903{
904 if (freq->m < 1000 && freq->e == 0) {
9ee677c2
DK		 905 if (freq->m >= 1 && freq->m <= 14)
906 *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
bf164cc0
JK		 907 else
908 return -1;
909 } else {
910 int i;
911 *dsconfig = freq->m;
912 for (i = freq->e; i > 0; i--)
913 *dsconfig *= 10;
914 *dsconfig /= 1000;
915 }
916
917 return 0;
918}
919
920
921/*
922 * common functions
923 */
9f77ccab 924static int set_infra_mode(struct usbnet *usbdev, int mode);
b7cfc5b3 925static void restore_keys(struct usbnet *usbdev);
db0dd396 926static int rndis_check_bssid_list(struct usbnet *usbdev);
bf164cc0 927
1e41e1d2 928static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0
JK		 929{
930 int ret, len;
931
932 len = sizeof(*ssid);
933 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
934
935 if (ret != 0)
461b3f2a 936 ssid->length = 0;
bf164cc0
JK		 937
938#ifdef DEBUG
939 {
940 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
941
461b3f2a
JK		 942 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
943 tmp[le32_to_cpu(ssid->length)] = 0;
bf164cc0
JK		 944 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
945 }
946#endif
947 return ret;
948}
949
950
1e41e1d2 951static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0 952{
582241a0 953 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 954 int ret;
955
956 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
957 if (ret == 0) {
958 memcpy(&priv->essid, ssid, sizeof(priv->essid));
959 priv->radio_on = 1;
960 devdbg(usbdev, "set_essid: radio_on = 1");
961 }
962
963 return ret;
964}
965
966
967static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
968{
969 int ret, len;
970
971 len = ETH_ALEN;
972 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
973
974 if (ret != 0)
975 memset(bssid, 0, ETH_ALEN);
976
977 return ret;
978}
979
4364623c
SA		 980static int get_association_info(struct usbnet *usbdev,
981 struct ndis_80211_assoc_info *info, int len)
982{
983 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
984 info, &len);
985}
bf164cc0
JK		 986
987static int is_associated(struct usbnet *usbdev)
988{
989 u8 bssid[ETH_ALEN];
990 int ret;
991
992 ret = get_bssid(usbdev, bssid);
993
7b1fff99 994 return (ret == 0 && !is_zero_ether_addr(bssid));
bf164cc0
JK		 995}
996
997
998static int disassociate(struct usbnet *usbdev, int reset_ssid)
999{
582241a0 1000 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1001 struct ndis_80211_ssid ssid;
bf164cc0
JK		 1002 int i, ret = 0;
1003
1004 if (priv->radio_on) {
1005 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1006 if (ret == 0) {
1007 priv->radio_on = 0;
1008 devdbg(usbdev, "disassociate: radio_on = 0");
1009
1010 if (reset_ssid)
1011 msleep(100);
1012 }
1013 }
1014
1015 /* disassociate causes radio to be turned off; if reset_ssid
1016 * is given, set random ssid to enable radio */
1017 if (reset_ssid) {
9f77ccab
JK		 1018 /* Set device to infrastructure mode so we don't get ad-hoc
1019 * 'media connect' indications with the random ssid.
1020 */
1021 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1022
461b3f2a
JK		 1023 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1024 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1025 ssid.essid[0] = 0x1;
1026 ssid.essid[1] = 0xff;
1027 for (i = 2; i < sizeof(ssid.essid); i++)
1028 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 1029 ret = set_essid(usbdev, &ssid);
1030 }
1031 return ret;
1032}
1033
1034
1035static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
1036{
582241a0 1037 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1038 __le32 tmp;
1039 int auth_mode, ret;
1040
1041 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1042 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
1043
1044 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
1045 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
aa18294a 1046 auth_mode = NDIS_80211_AUTH_WPA2;
bf164cc0 1047 else
aa18294a 1048 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
bf164cc0
JK		 1049 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
1050 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
aa18294a 1051 auth_mode = NDIS_80211_AUTH_WPA;
bf164cc0 1052 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
aa18294a 1053 auth_mode = NDIS_80211_AUTH_WPA_PSK;
bf164cc0 1054 else
aa18294a 1055 auth_mode = NDIS_80211_AUTH_WPA_NONE;
bf164cc0
JK		 1056 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
1057 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
aa18294a 1058 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
bf164cc0 1059 else
aa18294a 1060 auth_mode = NDIS_80211_AUTH_SHARED;
bf164cc0 1061 } else
aa18294a 1062 auth_mode = NDIS_80211_AUTH_OPEN;
bf164cc0
JK		 1063
1064 tmp = cpu_to_le32(auth_mode);
1065 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1066 sizeof(tmp));
1067 if (ret != 0) {
1068 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1069 return ret;
1070 }
1071
1072 priv->wpa_version = wpa_version;
1073 priv->wpa_authalg = authalg;
1074 return 0;
1075}
1076
1077
1078static int set_priv_filter(struct usbnet *usbdev)
1079{
582241a0 1080 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1081 __le32 tmp;
1082
1083 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1084
1085 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
1086 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
aa18294a 1087 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
bf164cc0 1088 else
aa18294a 1089 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
bf164cc0
JK		 1090
1091 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1092 sizeof(tmp));
1093}
1094
1095
1096static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1097{
582241a0 1098 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1099 __le32 tmp;
1100 int encr_mode, ret;
1101
1102 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1103 pairwise,
1104 groupwise);
1105
1106 if (pairwise & IW_AUTH_CIPHER_CCMP)
aa18294a 1107 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
bf164cc0 1108 else if (pairwise & IW_AUTH_CIPHER_TKIP)
aa18294a 1109 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0
JK		 1110 else if (pairwise &
1111 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
aa18294a 1112 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
bf164cc0 1113 else if (groupwise & IW_AUTH_CIPHER_CCMP)
aa18294a 1114 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
bf164cc0 1115 else if (groupwise & IW_AUTH_CIPHER_TKIP)
aa18294a 1116 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0 1117 else
aa18294a 1118 encr_mode = NDIS_80211_ENCR_DISABLED;
bf164cc0
JK		 1119
1120 tmp = cpu_to_le32(encr_mode);
1121 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1122 sizeof(tmp));
1123 if (ret != 0) {
1124 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1125 return ret;
1126 }
1127
1128 priv->wpa_cipher_pair = pairwise;
1129 priv->wpa_cipher_group = groupwise;
1130 return 0;
1131}
1132
1133
1134static int set_assoc_params(struct usbnet *usbdev)
1135{
582241a0 1136 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1137
1138 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
1139 set_priv_filter(usbdev);
1140 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
1141
1142 return 0;
1143}
1144
1145
1146static int set_infra_mode(struct usbnet *usbdev, int mode)
1147{
582241a0 1148 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 1149 __le32 tmp;
b7cfc5b3 1150 int ret;
bf164cc0
JK		 1151
1152 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1153
1154 tmp = cpu_to_le32(mode);
1155 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1156 sizeof(tmp));
1157 if (ret != 0) {
1158 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1159 return ret;
1160 }
1161
1162 /* NDIS drivers clear keys when infrastructure mode is
1163 * changed. But Linux tools assume otherwise. So set the
1164 * keys */
b7cfc5b3 1165 restore_keys(usbdev);
bf164cc0
JK		 1166
1167 priv->infra_mode = mode;
1168 return 0;
1169}
1170
1171
d75ec2b7
JK		 1172static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1173{
1174 __le32 tmp;
1175
1176 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1177
1178 if (rts_threshold < 0 || rts_threshold > 2347)
1179 rts_threshold = 2347;
1180
1181 tmp = cpu_to_le32(rts_threshold);
1182 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1183 sizeof(tmp));
1184}
1185
1186
1187static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1188{
1189 __le32 tmp;
1190
1191 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1192
1193 if (frag_threshold < 256 || frag_threshold > 2346)
1194 frag_threshold = 2346;
1195
1196 tmp = cpu_to_le32(frag_threshold);
1197 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1198 sizeof(tmp));
1199}
1200
1201
bf164cc0
JK		 1202static void set_default_iw_params(struct usbnet *usbdev)
1203{
582241a0 1204 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1205
1206 priv->wpa_keymgmt = 0;
1207 priv->wpa_version = 0;
1208
aa18294a 1209 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
bf164cc0
JK		 1210 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1211 IW_AUTH_ALG_OPEN_SYSTEM);
1212 set_priv_filter(usbdev);
1213 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1214}
1215
1216
1217static int deauthenticate(struct usbnet *usbdev)
1218{
1219 int ret;
1220
1221 ret = disassociate(usbdev, 1);
1222 set_default_iw_params(usbdev);
1223 return ret;
1224}
1225
1226
1227/* index must be 0 - N, as per NDIS */
1228static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
1229{
582241a0 1230 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1231 struct ndis_80211_wep_key ndis_key;
b7cfc5b3 1232 int cipher, ret;
bf164cc0 1233
40ba60dd 1234 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
bf164cc0
JK		 1235 return -EINVAL;
1236
b7cfc5b3
JK		 1237 if (key_len == 5)
1238 cipher = WLAN_CIPHER_SUITE_WEP40;
1239 else
1240 cipher = WLAN_CIPHER_SUITE_WEP104;
1241
bf164cc0
JK		 1242 memset(&ndis_key, 0, sizeof(ndis_key));
1243
461b3f2a
JK		 1244 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1245 ndis_key.length = cpu_to_le32(key_len);
1246 ndis_key.index = cpu_to_le32(index);
1247 memcpy(&ndis_key.material, key, key_len);
bf164cc0
JK		 1248
1249 if (index == priv->encr_tx_key_index) {
aa18294a 1250 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
bf164cc0
JK		 1251 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
1252 IW_AUTH_CIPHER_NONE);
1253 if (ret)
1254 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1255 ret);
1256 }
1257
1258 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1259 sizeof(ndis_key));
1260 if (ret != 0) {
1261 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1262 index+1, ret);
1263 return ret;
1264 }
1265
b7cfc5b3
JK		 1266 priv->encr_keys[index].len = key_len;
1267 priv->encr_keys[index].cipher = cipher;
1268 memcpy(&priv->encr_keys[index].material, key, key_len);
1269 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
bf164cc0
JK		 1270
1271 return 0;
1272}
1273
1274
b145ee0c 1275static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
b7cfc5b3
JK		 1276 int index, const u8 *addr, const u8 *rx_seq, int cipher,
1277 int flags)
b145ee0c 1278{
582241a0 1279 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b145ee0c 1280 struct ndis_80211_key ndis_key;
b7cfc5b3 1281 bool is_addr_ok;
b145ee0c
JK		 1282 int ret;
1283
b7cfc5b3
JK		 1284 if (index < 0 || index >= 4) {
1285 devdbg(usbdev, "add_wpa_key: index out of range (%i)", index);
b145ee0c 1286 return -EINVAL;
b7cfc5b3
JK		 1287 }
1288 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1289 devdbg(usbdev, "add_wpa_key: key length out of range (%i)",
1290 key_len);
b145ee0c 1291 return -EINVAL;
b7cfc5b3
JK		 1292 }
1293 if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq) {
1294 devdbg(usbdev, "add_wpa_key: recv seq flag without buffer");
b145ee0c 1295 return -EINVAL;
b7cfc5b3 1296 }
7b1fff99
JK		 1297 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1298 !is_broadcast_ether_addr(addr);
b7cfc5b3
JK		 1299 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1300 devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)",
1301 addr);
b145ee0c 1302 return -EINVAL;
b7cfc5b3 1303 }
b145ee0c
JK		 1304
1305 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
aa18294a
JK		 1306 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1307 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1308 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
b145ee0c
JK		 1309
1310 memset(&ndis_key, 0, sizeof(ndis_key));
1311
1312 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1313 sizeof(ndis_key.material) + key_len);
1314 ndis_key.length = cpu_to_le32(key_len);
1315 ndis_key.index = cpu_to_le32(index) | flags;
1316
b7cfc5b3 1317 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
b145ee0c
JK		 1318 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1319 * different order than NDIS spec, so swap the order here. */
1320 memcpy(ndis_key.material, key, 16);
1321 memcpy(ndis_key.material + 16, key + 24, 8);
1322 memcpy(ndis_key.material + 24, key + 16, 8);
1323 } else
1324 memcpy(ndis_key.material, key, key_len);
1325
aa18294a 1326 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
b145ee0c
JK		 1327 memcpy(ndis_key.rsc, rx_seq, 6);
1328
aa18294a 1329 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
b145ee0c 1330 /* pairwise key */
b7cfc5b3 1331 memcpy(ndis_key.bssid, addr, ETH_ALEN);
b145ee0c
JK		 1332 } else {
1333 /* group key */
aa18294a 1334 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
b145ee0c
JK		 1335 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1336 else
1337 get_bssid(usbdev, ndis_key.bssid);
1338 }
1339
1340 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1341 le32_to_cpu(ndis_key.size));
1342 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1343 if (ret != 0)
1344 return ret;
1345
b7cfc5b3
JK		 1346 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1347 priv->encr_keys[index].len = key_len;
1348 priv->encr_keys[index].cipher = cipher;
1349 memcpy(&priv->encr_keys[index].material, key, key_len);
1350 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1351 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1352 else
1353 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
9839178e 1354
aa18294a 1355 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
b145ee0c
JK		 1356 priv->encr_tx_key_index = index;
1357
1358 return 0;
1359}
1360
1361
b7cfc5b3
JK		 1362static int restore_key(struct usbnet *usbdev, int key_idx)
1363{
1364 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1365 struct rndis_wlan_encr_key key;
1366 int flags;
1367
1368 key = priv->encr_keys[key_idx];
1369
1370 devdbg(usbdev, "restore_key: %i:%s:%i", key_idx,
1371 is_wpa_key(priv, key_idx) ? "wpa" : "wep",
1372 key.len);
1373
1374 if (key.len == 0)
1375 return 0;
1376
1377 if (is_wpa_key(priv, key_idx)) {
1378 flags = 0;
1379
1380 /*if (priv->encr_tx_key_index == key_idx)
1381 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;*/
1382
7b1fff99
JK		 1383 if (!is_zero_ether_addr(key.bssid) &&
1384 !is_broadcast_ether_addr(key.bssid))
b7cfc5b3
JK		 1385 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
1386
1387 return add_wpa_key(usbdev, key.material, key.len, key_idx,
1388 key.bssid, NULL, key.cipher, flags);
1389 }
1390
1391 return add_wep_key(usbdev, key.material, key.len, key_idx);
1392}
1393
1394
1395static void restore_keys(struct usbnet *usbdev)
1396{
1397 int i;
1398
1399 for (i = 0; i < 4; i++)
1400 restore_key(usbdev, i);
1401}
1402
1403
1404static void clear_key(struct rndis_wlan_private *priv, int idx)
1405{
1406 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1407}
1408
1409
bf164cc0
JK		 1410/* remove_key is for both wep and wpa */
1411static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1412{
582241a0 1413 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1414 struct ndis_80211_remove_key remove_key;
bf164cc0 1415 __le32 keyindex;
b7cfc5b3 1416 bool is_wpa;
bf164cc0
JK		 1417 int ret;
1418
b7cfc5b3 1419 if (priv->encr_keys[index].len == 0)
bf164cc0
JK		 1420 return 0;
1421
b7cfc5b3 1422 is_wpa = is_wpa_key(priv, index);
bf164cc0 1423
b7cfc5b3
JK		 1424 devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep",
1425 priv->encr_keys[index].len);
1426
1427 clear_key(priv, index);
1428
1429 if (is_wpa) {
461b3f2a
JK		 1430 remove_key.size = cpu_to_le32(sizeof(remove_key));
1431 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 1432 if (bssid) {
1433 /* pairwise key */
7b1fff99 1434 if (!is_broadcast_ether_addr(bssid))
b4703a2e 1435 remove_key.index |=
aa18294a 1436 NDIS_80211_ADDKEY_PAIRWISE_KEY;
461b3f2a
JK		 1437 memcpy(remove_key.bssid, bssid,
1438 sizeof(remove_key.bssid));
bf164cc0 1439 } else
461b3f2a
JK		 1440 memset(remove_key.bssid, 0xff,
1441 sizeof(remove_key.bssid));
bf164cc0
JK		 1442
1443 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1444 sizeof(remove_key));
1445 if (ret != 0)
1446 return ret;
1447 } else {
1448 keyindex = cpu_to_le32(index);
1449 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1450 sizeof(keyindex));
1451 if (ret != 0) {
1452 devwarn(usbdev,
1453 "removing encryption key %d failed (%08X)",
1454 index, ret);
1455 return ret;
1456 }
1457 }
1458
1459 /* if it is transmit key, disable encryption */
1460 if (index == priv->encr_tx_key_index)
1461 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1462
1463 return 0;
1464}
1465
1466
1467static void set_multicast_list(struct usbnet *usbdev)
1468{
582241a0 1469 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1470 struct dev_mc_list *mclist;
1471 __le32 filter;
1472 int ret, i, size;
1473 char *buf;
1474
1475 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1476
1477 if (usbdev->net->flags & IFF_PROMISC) {
1478 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1479 RNDIS_PACKET_TYPE_ALL_LOCAL;
1480 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1481 usbdev->net->mc_count > priv->multicast_size) {
1482 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1483 } else if (usbdev->net->mc_count > 0) {
1484 size = min(priv->multicast_size, usbdev->net->mc_count);
1485 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1486 if (!buf) {
1487 devwarn(usbdev,
1488 "couldn't alloc %d bytes of memory",
1489 size * ETH_ALEN);
1490 return;
1491 }
1492
1493 mclist = usbdev->net->mc_list;
1494 for (i = 0; i < size && mclist; mclist = mclist->next) {
1495 if (mclist->dmi_addrlen != ETH_ALEN)
1496 continue;
1497
1498 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1499 i++;
1500 }
1501
1502 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1503 i * ETH_ALEN);
1504 if (ret == 0 && i > 0)
1505 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1506 else
1507 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1508
1509 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1510 i, priv->multicast_size, ret);
1511
1512 kfree(buf);
1513 }
1514
1515 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1516 sizeof(filter));
1517 if (ret < 0) {
1518 devwarn(usbdev, "couldn't set packet filter: %08x",
1519 le32_to_cpu(filter));
1520 }
1521
1522 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1523 le32_to_cpu(filter), ret);
1524}
1525
1526
964c1d41
JL		 1527/*
1528 * cfg80211 ops
1529 */
e36d56b6
JB		 1530static int rndis_change_virtual_intf(struct wiphy *wiphy,
1531 struct net_device *dev,
964c1d41
JL		 1532 enum nl80211_iftype type, u32 *flags,
1533 struct vif_params *params)
1534{
16139172
JK		 1535 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1536 struct usbnet *usbdev = priv->usbdev;
964c1d41
JL		 1537 int mode;
1538
964c1d41
JL		 1539 switch (type) {
1540 case NL80211_IFTYPE_ADHOC:
aa18294a 1541 mode = NDIS_80211_INFRA_ADHOC;
964c1d41
JL		 1542 break;
1543 case NL80211_IFTYPE_STATION:
aa18294a 1544 mode = NDIS_80211_INFRA_INFRA;
964c1d41
JL		 1545 break;
1546 default:
1547 return -EINVAL;
1548 }
1549
16139172
JK		 1550 priv->wdev.iftype = type;
1551
964c1d41
JL		 1552 return set_infra_mode(usbdev, mode);
1553}
1554
71a7b26d 1555
d75ec2b7
JK		 1556static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1557{
1558 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1559 struct usbnet *usbdev = priv->usbdev;
1560 int err;
1561
1562 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1563 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1564 if (err < 0)
1565 return err;
1566 }
1567
1568 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1569 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1570 if (err < 0)
1571 return err;
1572 }
1573
1574 return 0;
1575}
1576
1577
222ec50a
JK		 1578static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1579 int dbm)
1580{
1581 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1582 struct usbnet *usbdev = priv->usbdev;
1583
1584 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1585
1586 /* Device doesn't support changing txpower after initialization, only
1587 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1588 * currently used.
1589 */
1590 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1591 if (!priv->radio_on)
1592 disassociate(usbdev, 1); /* turn on radio */
1593
1594 return 0;
1595 }
1596
1597 return -ENOTSUPP;
1598}
1599
1600
1601static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1602{
1603 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1604 struct usbnet *usbdev = priv->usbdev;
1605
1606 *dbm = get_bcm4320_power_dbm(priv);
1607
1608 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1609
1610 return 0;
1611}
1612
1613
b1d25a67 1614#define SCAN_DELAY_JIFFIES (6 * HZ)
71a7b26d
JK		 1615static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1616 struct cfg80211_scan_request *request)
1617{
1618 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1619 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d
JK		 1620 int ret;
1621 __le32 tmp;
1622
1623 devdbg(usbdev, "cfg80211.scan");
1624
db0dd396
JK		 1625 /* Get current bssid list from device before new scan, as new scan
1626 * clears internal bssid list.
1627 */
1628 rndis_check_bssid_list(usbdev);
1629
71a7b26d
JK		 1630 if (!request)
1631 return -EINVAL;
1632
1633 if (priv->scan_request && priv->scan_request != request)
1634 return -EBUSY;
1635
1636 priv->scan_request = request;
1637
1638 tmp = cpu_to_le32(1);
1639 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1640 sizeof(tmp));
1641 if (ret == 0) {
1642 /* Wait before retrieving scan results from device */
1643 queue_delayed_work(priv->workqueue, &priv->scan_work,
1644 SCAN_DELAY_JIFFIES);
1645 }
1646
1647 return ret;
1648}
1649
1650
1651static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1652 struct ndis_80211_bssid_ex *bssid)
1653{
582241a0 1654 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d
JK		 1655 struct ieee80211_channel *channel;
1656 s32 signal;
1657 u64 timestamp;
1658 u16 capability;
1659 u16 beacon_interval;
1660 struct ndis_80211_fixed_ies *fixed;
1661 int ie_len, bssid_len;
1662 u8 *ie;
1663
5fd8f250
JK		 1664 devdbg(usbdev, " found bssid: '%.32s' [%pM]", bssid->ssid.essid,
1665 bssid->mac);
1666
71a7b26d
JK		 1667 /* parse bssid structure */
1668 bssid_len = le32_to_cpu(bssid->length);
1669
1670 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1671 sizeof(struct ndis_80211_fixed_ies))
1672 return NULL;
1673
1674 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1675
1676 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1677 ie_len = min(bssid_len - (int)sizeof(*bssid),
1678 (int)le32_to_cpu(bssid->ie_length));
1679 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1680 if (ie_len < 0)
1681 return NULL;
1682
1683 /* extract data for cfg80211_inform_bss */
1684 channel = ieee80211_get_channel(priv->wdev.wiphy,
1685 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1686 if (!channel)
1687 return NULL;
1688
1689 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1690 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1691 capability = le16_to_cpu(fixed->capabilities);
1692 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1693
1694 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1695 timestamp, capability, beacon_interval, ie, ie_len, signal,
1696 GFP_KERNEL);
1697}
1698
1699
1700static int rndis_check_bssid_list(struct usbnet *usbdev)
1701{
1702 void *buf = NULL;
1703 struct ndis_80211_bssid_list_ex *bssid_list;
1704 struct ndis_80211_bssid_ex *bssid;
1705 int ret = -EINVAL, len, count, bssid_len;
5fd8f250 1706 bool resized = false;
71a7b26d
JK		 1707
1708 devdbg(usbdev, "check_bssid_list");
1709
1710 len = CONTROL_BUFFER_SIZE;
5fd8f250 1711resize_buf:
71a7b26d
JK		 1712 buf = kmalloc(len, GFP_KERNEL);
1713 if (!buf) {
1714 ret = -ENOMEM;
1715 goto out;
1716 }
1717
1718 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1719 if (ret != 0)
1720 goto out;
1721
5fd8f250
JK		 1722 if (!resized && len > CONTROL_BUFFER_SIZE) {
1723 resized = true;
1724 kfree(buf);
1725 goto resize_buf;
1726 }
1727
71a7b26d
JK		 1728 bssid_list = buf;
1729 bssid = bssid_list->bssid;
1730 bssid_len = le32_to_cpu(bssid->length);
1731 count = le32_to_cpu(bssid_list->num_items);
5fd8f250
JK		 1732 devdbg(usbdev, "check_bssid_list: %d BSSIDs found (buflen: %d)", count,
1733 len);
71a7b26d
JK		 1734
1735 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1736 rndis_bss_info_update(usbdev, bssid);
1737
1738 bssid = (void *)bssid + bssid_len;
1739 bssid_len = le32_to_cpu(bssid->length);
1740 count--;
1741 }
1742
1743out:
1744 kfree(buf);
1745 return ret;
1746}
1747
1748
1749static void rndis_get_scan_results(struct work_struct *work)
1750{
582241a0
JK		 1751 struct rndis_wlan_private *priv =
1752 container_of(work, struct rndis_wlan_private, scan_work.work);
71a7b26d
JK		 1753 struct usbnet *usbdev = priv->usbdev;
1754 int ret;
1755
1756 devdbg(usbdev, "get_scan_results");
1757
005ba2f1
JK		 1758 if (!priv->scan_request)
1759 return;
1760
71a7b26d
JK		 1761 ret = rndis_check_bssid_list(usbdev);
1762
1763 cfg80211_scan_done(priv->scan_request, ret < 0);
1764
1765 priv->scan_request = NULL;
1766}
1767
1768
bf164cc0
JK		 1769/*
1770 * wireless extension handlers
1771 */
1772
1773static int rndis_iw_commit(struct net_device *dev,
1774 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1775{
1776 /* dummy op */
1777 return 0;
1778}
1779
1780
bf164cc0
JK		 1781static int rndis_iw_set_essid(struct net_device *dev,
1782 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1783{
1e41e1d2 1784 struct ndis_80211_ssid ssid;
bf164cc0 1785 int length = wrqu->essid.length;
524ad0a7 1786 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1787
1788 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1789 wrqu->essid.flags, wrqu->essid.length, essid);
1790
1791 if (length > NDIS_802_11_LENGTH_SSID)
1792 length = NDIS_802_11_LENGTH_SSID;
1793
461b3f2a 1794 ssid.length = cpu_to_le32(length);
bf164cc0 1795 if (length > 0)
461b3f2a 1796 memcpy(ssid.essid, essid, length);
bf164cc0 1797 else
461b3f2a 1798 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
bf164cc0
JK		 1799
1800 set_assoc_params(usbdev);
1801
1802 if (!wrqu->essid.flags || length == 0)
1803 return disassociate(usbdev, 1);
7834ddbc
JK		 1804 else {
1805 /* Pause and purge rx queue, so we don't pass packets before
1806 * 'media connect'-indication.
1807 */
1808 usbnet_pause_rx(usbdev);
1809 usbnet_purge_paused_rxq(usbdev);
1810
bf164cc0 1811 return set_essid(usbdev, &ssid);
7834ddbc 1812 }
bf164cc0
JK		 1813}
1814
1815
1816static int rndis_iw_get_essid(struct net_device *dev,
1817 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1818{
1e41e1d2 1819 struct ndis_80211_ssid ssid;
524ad0a7 1820 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1821 int ret;
1822
1823 ret = get_essid(usbdev, &ssid);
1824
461b3f2a 1825 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
bf164cc0 1826 wrqu->essid.flags = 1;
461b3f2a
JK		 1827 wrqu->essid.length = le32_to_cpu(ssid.length);
1828 memcpy(essid, ssid.essid, wrqu->essid.length);
bf164cc0
JK		 1829 essid[wrqu->essid.length] = 0;
1830 } else {
1831 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1832 wrqu->essid.flags = 0;
1833 wrqu->essid.length = 0;
1834 }
1835 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1836 return ret;
1837}
1838
1839
1840static int rndis_iw_get_bssid(struct net_device *dev,
1841 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1842{
524ad0a7 1843 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1844 unsigned char bssid[ETH_ALEN];
1845 int ret;
bf164cc0
JK		 1846
1847 ret = get_bssid(usbdev, bssid);
1848
1849 if (ret == 0)
e174961c 1850 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
bf164cc0
JK		 1851 else
1852 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1853
1854 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1855 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1856
1857 return ret;
1858}
1859
1860
1861static int rndis_iw_set_bssid(struct net_device *dev,
1862 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1863{
524ad0a7 1864 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0 1865 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
bf164cc0
JK		 1866 int ret;
1867
e174961c 1868 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
bf164cc0
JK		 1869
1870 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1871
1872 /* user apps may set ap's mac address, which is not required;
1873 * they may fail to work if this function fails, so return
1874 * success */
1875 if (ret)
1876 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1877
1878 return 0;
1879}
1880
1881
1882static int rndis_iw_set_auth(struct net_device *dev,
1883 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1884{
1885 struct iw_param *p = &wrqu->param;
524ad0a7 1886 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1887 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1888 int ret = -ENOTSUPP;
1889
1890 switch (p->flags & IW_AUTH_INDEX) {
1891 case IW_AUTH_WPA_VERSION:
1892 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1893 priv->wpa_version = p->value;
1894 ret = 0;
1895 break;
1896
1897 case IW_AUTH_CIPHER_PAIRWISE:
1898 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1899 priv->wpa_cipher_pair = p->value;
1900 ret = 0;
1901 break;
1902
1903 case IW_AUTH_CIPHER_GROUP:
1904 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1905 priv->wpa_cipher_group = p->value;
1906 ret = 0;
1907 break;
1908
1909 case IW_AUTH_KEY_MGMT:
1910 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1911 priv->wpa_keymgmt = p->value;
1912 ret = 0;
1913 break;
1914
1915 case IW_AUTH_TKIP_COUNTERMEASURES:
1916 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1917 p->value);
1918 ret = 0;
1919 break;
1920
1921 case IW_AUTH_DROP_UNENCRYPTED:
1922 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1923 ret = 0;
1924 break;
1925
1926 case IW_AUTH_80211_AUTH_ALG:
1927 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1928 priv->wpa_authalg = p->value;
1929 ret = 0;
1930 break;
1931
1932 case IW_AUTH_WPA_ENABLED:
1933 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1934 if (wrqu->param.value)
1935 deauthenticate(usbdev);
1936 ret = 0;
1937 break;
1938
1939 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1940 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1941 p->value);
1942 ret = 0;
1943 break;
1944
1945 case IW_AUTH_ROAMING_CONTROL:
1946 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1947 ret = 0;
1948 break;
1949
1950 case IW_AUTH_PRIVACY_INVOKED:
1951 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1952 wrqu->param.flags & IW_AUTH_INDEX);
1953 return -EOPNOTSUPP;
1954
1955 default:
1956 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1957 p->flags & IW_AUTH_INDEX, p->value);
1958 }
1959 return ret;
1960}
1961
1962
1963static int rndis_iw_get_auth(struct net_device *dev,
1964 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1965{
1966 struct iw_param *p = &wrqu->param;
524ad0a7 1967 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1968 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1969
1970 switch (p->flags & IW_AUTH_INDEX) {
1971 case IW_AUTH_WPA_VERSION:
1972 p->value = priv->wpa_version;
1973 break;
1974 case IW_AUTH_CIPHER_PAIRWISE:
1975 p->value = priv->wpa_cipher_pair;
1976 break;
1977 case IW_AUTH_CIPHER_GROUP:
1978 p->value = priv->wpa_cipher_group;
1979 break;
1980 case IW_AUTH_KEY_MGMT:
1981 p->value = priv->wpa_keymgmt;
1982 break;
1983 case IW_AUTH_80211_AUTH_ALG:
1984 p->value = priv->wpa_authalg;
1985 break;
1986 default:
1987 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1988 wrqu->param.flags & IW_AUTH_INDEX);
1989 return -EOPNOTSUPP;
1990 }
1991 return 0;
1992}
1993
1994
bf164cc0
JK		 1995static int rndis_iw_set_encode(struct net_device *dev,
1996 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1997{
524ad0a7 1998 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1999 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b7cfc5b3 2000 struct rndis_wlan_encr_key key;
bf164cc0 2001 int ret, index, key_len;
b7cfc5b3 2002 u8 *keybuf;
bf164cc0
JK		 2003
2004 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
2005
2006 /* iwconfig gives index as 1 - N */
2007 if (index > 0)
2008 index--;
2009 else
2010 index = priv->encr_tx_key_index;
2011
2012 if (index < 0 || index >= 4) {
2013 devwarn(usbdev, "encryption index out of range (%u)", index);
2014 return -EINVAL;
2015 }
2016
2017 /* remove key if disabled */
2018 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
2019 if (remove_key(usbdev, index, NULL))
2020 return -EINVAL;
2021 else
2022 return 0;
2023 }
2024
2025 /* global encryption state (for all keys) */
2026 if (wrqu->data.flags & IW_ENCODE_OPEN)
2027 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
2028 IW_AUTH_ALG_OPEN_SYSTEM);
2029 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
2030 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
2031 IW_AUTH_ALG_SHARED_KEY);
2032 if (ret != 0)
2033 return ret;
2034
2035 if (wrqu->data.length > 0) {
2036 key_len = wrqu->data.length;
b7cfc5b3 2037 keybuf = extra;
bf164cc0
JK		 2038 } else {
2039 /* must be set as tx key */
b7cfc5b3 2040 if (priv->encr_keys[index].len == 0)
bf164cc0 2041 return -EINVAL;
bf164cc0 2042 key = priv->encr_keys[index];
b7cfc5b3
JK		 2043 key_len = key.len;
2044 keybuf = key.material;
bf164cc0
JK		 2045 priv->encr_tx_key_index = index;
2046 }
2047
b7cfc5b3 2048 if (add_wep_key(usbdev, keybuf, key_len, index) != 0)
bf164cc0
JK		 2049 return -EINVAL;
2050
2051 if (index == priv->encr_tx_key_index)
2052 /* ndis drivers want essid to be set after setting encr */
2053 set_essid(usbdev, &priv->essid);
2054
2055 return 0;
2056}
2057
2058
2059static int rndis_iw_set_encode_ext(struct net_device *dev,
2060 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2061{
2062 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
524ad0a7 2063 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2064 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b7cfc5b3 2065 int keyidx, flags, cipher;
bf164cc0
JK		 2066
2067 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
2068
2069 /* iwconfig gives index as 1 - N */
2070 if (keyidx)
2071 keyidx--;
2072 else
2073 keyidx = priv->encr_tx_key_index;
2074
b7cfc5b3
JK		 2075 if (keyidx < 0 || keyidx >= 4) {
2076 devwarn(usbdev, "encryption index out of range (%u)", keyidx);
bf164cc0 2077 return -EINVAL;
b7cfc5b3 2078 }
bf164cc0
JK		 2079
2080 if (ext->alg == WPA_ALG_WEP) {
2081 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2082 priv->encr_tx_key_index = keyidx;
2083 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
2084 }
2085
b7cfc5b3
JK		 2086 cipher = -1;
2087 if (ext->alg == IW_ENCODE_ALG_TKIP)
2088 cipher = WLAN_CIPHER_SUITE_TKIP;
2089 else if (ext->alg == IW_ENCODE_ALG_CCMP)
2090 cipher = WLAN_CIPHER_SUITE_CCMP;
2091
bf164cc0
JK		 2092 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
2093 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
2094 return remove_key(usbdev, keyidx, NULL);
2095
b7cfc5b3
JK		 2096 if (cipher == -1)
2097 return -EOPNOTSUPP;
2098
b145ee0c
JK		 2099 flags = 0;
2100 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
aa18294a 2101 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
b145ee0c 2102 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
aa18294a 2103 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
bf164cc0 2104 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
aa18294a 2105 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
bf164cc0 2106
b7cfc5b3
JK		 2107 return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx,
2108 (u8 *)&ext->addr.sa_data, ext->rx_seq, cipher,
2109 flags);
bf164cc0
JK		 2110}
2111
2112
bf164cc0
JK		 2113static int rndis_iw_set_genie(struct net_device *dev,
2114 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2115{
524ad0a7 2116 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2117 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2118 int ret = 0;
2119
2120#ifdef DEBUG
2121 int j;
2122 u8 *gie = extra;
2123 for (j = 0; j < wrqu->data.length; j += 8)
2124 devdbg(usbdev,
2125 "SIOCSIWGENIE %04x - "
2126 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
2127 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
2128 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
2129#endif
2130 /* clear existing IEs */
2131 if (priv->wpa_ie_len) {
2132 kfree(priv->wpa_ie);
2133 priv->wpa_ie_len = 0;
2134 }
2135
2136 /* set new IEs */
2137 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
2138 if (priv->wpa_ie) {
2139 priv->wpa_ie_len = wrqu->data.length;
2140 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
2141 } else
2142 ret = -ENOMEM;
2143 return ret;
2144}
2145
2146
2147static int rndis_iw_get_genie(struct net_device *dev,
2148 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2149{
524ad0a7 2150 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2151 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2152
2153 devdbg(usbdev, "SIOCGIWGENIE");
2154
2155 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
2156 wrqu->data.length = 0;
2157 return 0;
2158 }
2159
2160 if (wrqu->data.length < priv->wpa_ie_len)
2161 return -E2BIG;
2162
2163 wrqu->data.length = priv->wpa_ie_len;
2164 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
2165
2166 return 0;
2167}
2168
2169
bf164cc0
JK		 2170static int rndis_iw_set_freq(struct net_device *dev,
2171 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2172{
524ad0a7 2173 struct usbnet *usbdev = netdev_priv(dev);
1e41e1d2 2174 struct ndis_80211_conf config;
bf164cc0
JK		 2175 unsigned int dsconfig;
2176 int len, ret;
2177
2178 /* this OID is valid only when not associated */
2179 if (is_associated(usbdev))
2180 return 0;
2181
2182 dsconfig = 0;
2183 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
2184 return -EINVAL;
2185
2186 len = sizeof(config);
2187 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2188 if (ret != 0) {
2189 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
2190 return 0;
2191 }
2192
461b3f2a 2193 config.ds_config = cpu_to_le32(dsconfig);
bf164cc0
JK		 2194
2195 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
2196 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
2197 sizeof(config));
2198}
2199
2200
2201static int rndis_iw_get_freq(struct net_device *dev,
2202 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2203{
524ad0a7 2204 struct usbnet *usbdev = netdev_priv(dev);
1e41e1d2 2205 struct ndis_80211_conf config;
bf164cc0
JK		 2206 int len, ret;
2207
2208 len = sizeof(config);
2209 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2210 if (ret == 0)
461b3f2a 2211 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
bf164cc0
JK		 2212
2213 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
2214 return ret;
2215}
2216
2217
bf164cc0
JK		 2218static int rndis_iw_get_rate(struct net_device *dev,
2219 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2220{
524ad0a7 2221 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 2222 __le32 tmp;
2223 int ret, len;
2224
2225 len = sizeof(tmp);
2226 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2227 if (ret == 0) {
2228 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2229 wrqu->bitrate.disabled = 0;
2230 wrqu->bitrate.flags = 1;
2231 }
2232 return ret;
2233}
2234
2235
2236static int rndis_iw_set_mlme(struct net_device *dev,
2237 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2238{
524ad0a7 2239 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2240 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2241 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2242 unsigned char bssid[ETH_ALEN];
2243
2244 get_bssid(usbdev, bssid);
2245
2246 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2247 return -EINVAL;
2248
2249 switch (mlme->cmd) {
2250 case IW_MLME_DEAUTH:
2251 return deauthenticate(usbdev);
2252 case IW_MLME_DISASSOC:
2253 return disassociate(usbdev, priv->radio_on);
2254 default:
2255 return -EOPNOTSUPP;
2256 }
2257
2258 return 0;
2259}
2260
2261
2262static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2263{
524ad0a7 2264 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2265 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2266 unsigned long flags;
2267
2268 spin_lock_irqsave(&priv->stats_lock, flags);
2269 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2270 spin_unlock_irqrestore(&priv->stats_lock, flags);
2271
2272 return &priv->iwstats;
2273}
2274
2275
2276#define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2277static const iw_handler rndis_iw_handler[] =
2278{
2279 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
5c8fa4f7 2280 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
bf164cc0
JK		 2281 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2282 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
964c1d41
JL		 2283 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2284 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
4d2a369e 2285 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
bf164cc0
JK		 2286 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2287 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
71a7b26d
JK		 2288 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2289 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
bf164cc0
JK		 2290 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2291 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
bf164cc0 2292 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
d75ec2b7
JK		 2293 IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
2294 IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
2295 IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
2296 IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
222ec50a
JK		 2297 IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
2298 IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
bf164cc0
JK		 2299 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2300 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2301 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2302 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2303 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2304 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2305 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2306};
2307
582241a0 2308static const iw_handler rndis_wlan_private_handler[] = {
bf164cc0
JK		 2309};
2310
582241a0 2311static const struct iw_priv_args rndis_wlan_private_args[] = {
bf164cc0
JK		 2312};
2313
2314
2315static const struct iw_handler_def rndis_iw_handlers = {
2316 .num_standard = ARRAY_SIZE(rndis_iw_handler),
582241a0
JK		 2317 .num_private = ARRAY_SIZE(rndis_wlan_private_handler),
2318 .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
bf164cc0 2319 .standard = (iw_handler *)rndis_iw_handler,
582241a0
JK		 2320 .private = (iw_handler *)rndis_wlan_private_handler,
2321 .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
bf164cc0
JK		 2322 .get_wireless_stats = rndis_get_wireless_stats,
2323};
2324
2325
0848e6c6 2326static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
bf164cc0 2327{
4364623c 2328 struct ndis_80211_assoc_info *info;
0848e6c6
JK		 2329 union iwreq_data evt;
2330 u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32];
2331 u8 bssid[ETH_ALEN];
4364623c 2332 int ret, offset;
bf164cc0 2333
0848e6c6
JK		 2334 memset(assoc_buf, 0, sizeof(assoc_buf));
2335 info = (void *)assoc_buf;
2336
2337 netif_carrier_on(usbdev->net);
2338
2339 /* Get association info IEs from device and send them back to
2340 * userspace. */
2341 ret = get_association_info(usbdev, info, sizeof(assoc_buf));
2342 if (!ret) {
2343 evt.data.length = le32_to_cpu(info->req_ie_length);
2344 if (evt.data.length > 0) {
2345 offset = le32_to_cpu(info->offset_req_ies);
2346 wireless_send_event(usbdev->net,
2347 IWEVASSOCREQIE, &evt,
2348 (char *)info + offset);
4364623c
SA		 2349 }
2350
0848e6c6
JK		 2351 evt.data.length = le32_to_cpu(info->resp_ie_length);
2352 if (evt.data.length > 0) {
2353 offset = le32_to_cpu(info->offset_resp_ies);
2354 wireless_send_event(usbdev->net,
2355 IWEVASSOCRESPIE, &evt,
2356 (char *)info + offset);
bf164cc0 2357 }
7834ddbc
JK		 2358
2359 usbnet_resume_rx(usbdev);
bf164cc0
JK		 2360 }
2361
0848e6c6
JK		 2362 ret = get_bssid(usbdev, bssid);
2363 if (!ret) {
6010ce07
JK		 2364 evt.data.flags = 0;
2365 evt.data.length = 0;
0848e6c6 2366 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
6010ce07
JK		 2367 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2368 }
2369
0848e6c6
JK		 2370 usbnet_resume_rx(usbdev);
2371}
2372
2373static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2374{
2375 union iwreq_data evt;
2376
2377 netif_carrier_off(usbdev->net);
2378
2379 evt.data.flags = 0;
2380 evt.data.length = 0;
2381 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2382 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2383}
2384
2385static void rndis_wlan_worker(struct work_struct *work)
2386{
2387 struct rndis_wlan_private *priv =
2388 container_of(work, struct rndis_wlan_private, work);
2389 struct usbnet *usbdev = priv->usbdev;
2390
2391 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2392 rndis_wlan_do_link_up_work(usbdev);
2393
2394 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2395 rndis_wlan_do_link_down_work(usbdev);
2396
bf164cc0
JK		 2397 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2398 set_multicast_list(usbdev);
2399}
2400
582241a0 2401static void rndis_wlan_set_multicast_list(struct net_device *dev)
bf164cc0 2402{
524ad0a7 2403 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2404 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2405
a67edb9e
JK		 2406 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2407 return;
2408
bf164cc0
JK		 2409 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2410 queue_work(priv->workqueue, &priv->work);
2411}
2412
030645ac
JK		 2413
2414static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2415 struct ndis_80211_status_indication *indication,
2416 int len)
2417{
2418 u8 *buf;
2419 const char *type;
2420 int flags, buflen;
2421 bool pairwise_error, group_error;
2422 struct ndis_80211_auth_request *auth_req;
2423
2424 /* must have at least one array entry */
2425 if (len < offsetof(struct ndis_80211_status_indication, u) +
2426 sizeof(struct ndis_80211_auth_request)) {
2427 devinfo(usbdev, "authentication indication: "
2428 "too short message (%i)", len);
2429 return;
2430 }
2431
2432 buf = (void *)&indication->u.auth_request[0];
2433 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2434
2435 while (buflen >= sizeof(*auth_req)) {
2436 auth_req = (void *)buf;
2437 type = "unknown";
2438 flags = le32_to_cpu(auth_req->flags);
2439 pairwise_error = false;
2440 group_error = false;
2441
2442 if (flags & 0x1)
2443 type = "reauth request";
2444 if (flags & 0x2)
2445 type = "key update request";
2446 if (flags & 0x6) {
2447 pairwise_error = true;
2448 type = "pairwise_error";
2449 }
2450 if (flags & 0xe) {
2451 group_error = true;
2452 type = "group_error";
2453 }
2454
2455 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2456 le32_to_cpu(auth_req->flags));
2457
2458 if (pairwise_error || group_error) {
2459 union iwreq_data wrqu;
2460 struct iw_michaelmicfailure micfailure;
2461
2462 memset(&micfailure, 0, sizeof(micfailure));
2463 if (pairwise_error)
2464 micfailure.flags |= IW_MICFAILURE_PAIRWISE;
2465 if (group_error)
2466 micfailure.flags |= IW_MICFAILURE_GROUP;
2467
2468 memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
2469 ETH_ALEN);
2470
2471 memset(&wrqu, 0, sizeof(wrqu));
2472 wrqu.data.length = sizeof(micfailure);
2473 wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
2474 &wrqu, (u8 *)&micfailure);
2475 }
2476
2477 buflen -= le32_to_cpu(auth_req->length);
2478 buf += le32_to_cpu(auth_req->length);
2479 }
2480}
2481
2482static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2483 struct ndis_80211_status_indication *indication,
2484 int len)
2485{
2486 struct ndis_80211_pmkid_cand_list *cand_list;
2487 int list_len, expected_len, i;
2488
2489 if (len < offsetof(struct ndis_80211_status_indication, u) +
2490 sizeof(struct ndis_80211_pmkid_cand_list)) {
2491 devinfo(usbdev, "pmkid candidate list indication: "
2492 "too short message (%i)", len);
2493 return;
2494 }
2495
2496 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2497 sizeof(struct ndis_80211_pmkid_candidate);
2498 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2499 offsetof(struct ndis_80211_status_indication, u);
2500
2501 if (len < expected_len) {
2502 devinfo(usbdev, "pmkid candidate list indication: "
2503 "list larger than buffer (%i < %i)",
2504 len, expected_len);
2505 return;
2506 }
2507
2508 cand_list = &indication->u.cand_list;
2509
2510 devinfo(usbdev, "pmkid candidate list indication: "
2511 "version %i, candidates %i",
2512 le32_to_cpu(cand_list->version),
2513 le32_to_cpu(cand_list->num_candidates));
2514
2515 if (le32_to_cpu(cand_list->version) != 1)
2516 return;
2517
2518 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2519 struct iw_pmkid_cand pcand;
2520 union iwreq_data wrqu;
2521 struct ndis_80211_pmkid_candidate *cand =
2522 &cand_list->candidate_list[i];
2523
2524 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2525 i, le32_to_cpu(cand->flags), cand->bssid);
2526
2527 memset(&pcand, 0, sizeof(pcand));
2528 if (le32_to_cpu(cand->flags) & 0x01)
2529 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2530 pcand.index = i;
2531 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2532
2533 memset(&wrqu, 0, sizeof(wrqu));
2534 wrqu.data.length = sizeof(pcand);
2535 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2536 (u8 *)&pcand);
2537 }
2538}
2539
2540static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2541 struct rndis_indicate *msg, int buflen)
2542{
2543 struct ndis_80211_status_indication *indication;
2544 int len, offset;
2545
2546 offset = offsetof(struct rndis_indicate, status) +
2547 le32_to_cpu(msg->offset);
2548 len = le32_to_cpu(msg->length);
2549
2550 if (len < 8) {
2551 devinfo(usbdev, "media specific indication, "
2552 "ignore too short message (%i < 8)", len);
2553 return;
2554 }
2555
2556 if (offset + len > buflen) {
2557 devinfo(usbdev, "media specific indication, "
2558 "too large to fit to buffer (%i > %i)",
2559 offset + len, buflen);
2560 return;
2561 }
2562
2563 indication = (void *)((u8 *)msg + offset);
2564
2565 switch (le32_to_cpu(indication->status_type)) {
2566 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2567 devinfo(usbdev, "radio state indication: %i",
2568 le32_to_cpu(indication->u.radio_status));
2569 return;
2570
2571 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2572 devinfo(usbdev, "media stream mode indication: %i",
2573 le32_to_cpu(indication->u.media_stream_mode));
2574 return;
2575
2576 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2577 rndis_wlan_auth_indication(usbdev, indication, len);
2578 return;
2579
2580 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2581 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2582 return;
2583
2584 default:
2585 devinfo(usbdev, "media specific indication: "
2586 "unknown status type 0x%08x",
2587 le32_to_cpu(indication->status_type));
2588 }
2589}
2590
2591
2a4901bc 2592static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
bf164cc0 2593{
582241a0 2594 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2a4901bc 2595 struct rndis_indicate *msg = ind;
bf164cc0 2596
2a4901bc
JK		 2597 switch (msg->status) {
2598 case RNDIS_STATUS_MEDIA_CONNECT:
5f81ff5a
JK		 2599 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2600 /* OID_802_11_ADD_KEY causes sometimes extra
2601 * "media connect" indications which confuses driver
2602 * and userspace to think that device is
2603 * roaming/reassociating when it isn't.
2604 */
2605 devdbg(usbdev, "ignored OID_802_11_ADD_KEY triggered "
2606 "'media connect'");
2607 return;
2608 }
2609
7834ddbc
JK		 2610 usbnet_pause_rx(usbdev);
2611
2a4901bc
JK		 2612 devinfo(usbdev, "media connect");
2613
030645ac 2614 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 2615 set_bit(WORK_LINK_UP, &priv->work_pending);
2616 queue_work(priv->workqueue, &priv->work);
2617 break;
2618
2619 case RNDIS_STATUS_MEDIA_DISCONNECT:
2620 devinfo(usbdev, "media disconnect");
2621
030645ac 2622 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 2623 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2624 queue_work(priv->workqueue, &priv->work);
2625 break;
2626
030645ac
JK		 2627 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2628 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2629 break;
2630
2a4901bc
JK		 2631 default:
2632 devinfo(usbdev, "indication: 0x%08x",
2633 le32_to_cpu(msg->status));
2634 break;
2635 }
bf164cc0
JK		 2636}
2637
2638
582241a0 2639static int rndis_wlan_get_caps(struct usbnet *usbdev)
bf164cc0
JK		 2640{
2641 struct {
2642 __le32 num_items;
2643 __le32 items[8];
2644 } networks_supported;
2645 int len, retval, i, n;
582241a0 2646 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2647
bf164cc0
JK		 2648 /* determine supported modes */
2649 len = sizeof(networks_supported);
a19d7292 2650 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
bf164cc0
JK		 2651 &networks_supported, &len);
2652 if (retval >= 0) {
2653 n = le32_to_cpu(networks_supported.num_items);
2654 if (n > 8)
2655 n = 8;
2656 for (i = 0; i < n; i++) {
2657 switch (le32_to_cpu(networks_supported.items[i])) {
aa18294a
JK		 2658 case NDIS_80211_TYPE_FREQ_HOP:
2659 case NDIS_80211_TYPE_DIRECT_SEQ:
bf164cc0
JK		 2660 priv->caps |= CAP_MODE_80211B;
2661 break;
aa18294a 2662 case NDIS_80211_TYPE_OFDM_A:
bf164cc0
JK		 2663 priv->caps |= CAP_MODE_80211A;
2664 break;
aa18294a 2665 case NDIS_80211_TYPE_OFDM_G:
bf164cc0
JK		 2666 priv->caps |= CAP_MODE_80211G;
2667 break;
2668 }
2669 }
bf164cc0
JK		 2670 }
2671
2672 return retval;
2673}
2674
2675
2676#define STATS_UPDATE_JIFFIES (HZ)
2677static void rndis_update_wireless_stats(struct work_struct *work)
2678{
582241a0
JK		 2679 struct rndis_wlan_private *priv =
2680 container_of(work, struct rndis_wlan_private, stats_work.work);
bf164cc0
JK		 2681 struct usbnet *usbdev = priv->usbdev;
2682 struct iw_statistics iwstats;
2683 __le32 rssi, tmp;
a97b1f3d 2684 int len, ret, j;
bf164cc0
JK		 2685 unsigned long flags;
2686 int update_jiffies = STATS_UPDATE_JIFFIES;
2687 void *buf;
2688
2689 spin_lock_irqsave(&priv->stats_lock, flags);
2690 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2691 spin_unlock_irqrestore(&priv->stats_lock, flags);
2692
2693 /* only update stats when connected */
2694 if (!is_associated(usbdev)) {
2695 iwstats.qual.qual = 0;
2696 iwstats.qual.level = 0;
2697 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2698 | IW_QUAL_LEVEL_UPDATED
2699 | IW_QUAL_NOISE_INVALID
2700 | IW_QUAL_QUAL_INVALID
2701 | IW_QUAL_LEVEL_INVALID;
2702 goto end;
2703 }
2704
2705 len = sizeof(rssi);
2706 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2707
2708 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2709 le32_to_cpu(rssi));
2710 if (ret == 0) {
2711 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2712 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
4bd7f03e 2713 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
bf164cc0
JK		 2714 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2715 | IW_QUAL_LEVEL_UPDATED
2716 | IW_QUAL_NOISE_INVALID;
2717 }
2718
2719 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2720
2721 len = sizeof(tmp);
2722 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2723 if (ret == 0)
2724 iwstats.discard.misc += le32_to_cpu(tmp);
2725
2726 len = sizeof(tmp);
2727 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2728 if (ret == 0)
2729 iwstats.discard.misc += le32_to_cpu(tmp);
2730
2731 len = sizeof(tmp);
2732 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2733 if (ret == 0)
2734 iwstats.discard.misc += le32_to_cpu(tmp);
2735
a97b1f3d
JK		 2736 /* Workaround transfer stalls on poor quality links.
2737 * TODO: find right way to fix these stalls (as stalls do not happen
2738 * with ndiswrapper/windows driver). */
2739 if (iwstats.qual.qual <= 25) {
bf164cc0
JK		 2740 /* Decrease stats worker interval to catch stalls.
2741 * faster. Faster than 400-500ms causes packet loss,
2742 * Slower doesn't catch stalls fast enough.
2743 */
2744 j = msecs_to_jiffies(priv->param_workaround_interval);
2745 if (j > STATS_UPDATE_JIFFIES)
2746 j = STATS_UPDATE_JIFFIES;
2747 else if (j <= 0)
2748 j = 1;
2749 update_jiffies = j;
2750
2751 /* Send scan OID. Use of both OIDs is required to get device
2752 * working.
2753 */
35c26c2c 2754 tmp = cpu_to_le32(1);
bf164cc0
JK		 2755 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2756 sizeof(tmp));
2757
2758 len = CONTROL_BUFFER_SIZE;
2759 buf = kmalloc(len, GFP_KERNEL);
2760 if (!buf)
2761 goto end;
2762
2763 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2764 kfree(buf);
2765 }
2766end:
2767 spin_lock_irqsave(&priv->stats_lock, flags);
2768 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2769 spin_unlock_irqrestore(&priv->stats_lock, flags);
2770
2771 if (update_jiffies >= HZ)
2772 update_jiffies = round_jiffies_relative(update_jiffies);
2773 else {
2774 j = round_jiffies_relative(update_jiffies);
2775 if (abs(j - update_jiffies) <= 10)
2776 update_jiffies = j;
2777 }
2778
2779 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2780}
2781
2782
59620e9f
JK		 2783static int bcm4320a_early_init(struct usbnet *usbdev)
2784{
2785 /* bcm4320a doesn't handle configuration parameters well. Try
2786 * set any and you get partially zeroed mac and broken device.
2787 */
2788
2789 return 0;
2790}
2791
2792
2793static int bcm4320b_early_init(struct usbnet *usbdev)
bf164cc0 2794{
582241a0 2795 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2796 char buf[8];
2797
2798 /* Early initialization settings, setting these won't have effect
2799 * if called after generic_rndis_bind().
2800 */
2801
2802 priv->param_country[0] = modparam_country[0];
2803 priv->param_country[1] = modparam_country[1];
2804 priv->param_country[2] = 0;
2805 priv->param_frameburst = modparam_frameburst;
2806 priv->param_afterburner = modparam_afterburner;
2807 priv->param_power_save = modparam_power_save;
2808 priv->param_power_output = modparam_power_output;
2809 priv->param_roamtrigger = modparam_roamtrigger;
2810 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 2811
2812 priv->param_country[0] = toupper(priv->param_country[0]);
2813 priv->param_country[1] = toupper(priv->param_country[1]);
2814 /* doesn't support EU as country code, use FI instead */
2815 if (!strcmp(priv->param_country, "EU"))
2816 strcpy(priv->param_country, "FI");
2817
2818 if (priv->param_power_save < 0)
2819 priv->param_power_save = 0;
2820 else if (priv->param_power_save > 2)
2821 priv->param_power_save = 2;
2822
a7624837
JK		 2823 if (priv->param_power_output < 0)
2824 priv->param_power_output = 0;
2825 else if (priv->param_power_output > 3)
2826 priv->param_power_output = 3;
2827
bf164cc0
JK		 2828 if (priv->param_roamtrigger < -80)
2829 priv->param_roamtrigger = -80;
2830 else if (priv->param_roamtrigger > -60)
2831 priv->param_roamtrigger = -60;
2832
2833 if (priv->param_roamdelta < 0)
2834 priv->param_roamdelta = 0;
2835 else if (priv->param_roamdelta > 2)
2836 priv->param_roamdelta = 2;
2837
4d381ffb 2838 if (modparam_workaround_interval < 0)
bf164cc0 2839 priv->param_workaround_interval = 500;
4d381ffb
RK		 2840 else
2841 priv->param_workaround_interval = modparam_workaround_interval;
bf164cc0 2842
a19d7292
JK		 2843 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2844 rndis_set_config_parameter_str(usbdev, "FrameBursting",
bf164cc0 2845 priv->param_frameburst ? "1" : "0");
a19d7292 2846 rndis_set_config_parameter_str(usbdev, "Afterburner",
bf164cc0
JK		 2847 priv->param_afterburner ? "1" : "0");
2848 sprintf(buf, "%d", priv->param_power_save);
a19d7292 2849 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
bf164cc0 2850 sprintf(buf, "%d", priv->param_power_output);
a19d7292 2851 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
bf164cc0 2852 sprintf(buf, "%d", priv->param_roamtrigger);
a19d7292 2853 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
bf164cc0 2854 sprintf(buf, "%d", priv->param_roamdelta);
a19d7292 2855 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
bf164cc0
JK		 2856
2857 return 0;
2858}
2859
23d12e2b 2860/* same as rndis_netdev_ops but with local multicast handler */
582241a0 2861static const struct net_device_ops rndis_wlan_netdev_ops = {
23d12e2b
DM		 2862 .ndo_open = usbnet_open,
2863 .ndo_stop = usbnet_stop,
2864 .ndo_start_xmit = usbnet_start_xmit,
2865 .ndo_tx_timeout = usbnet_tx_timeout,
2866 .ndo_set_mac_address = eth_mac_addr,
2867 .ndo_validate_addr = eth_validate_addr,
582241a0 2868 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
23d12e2b
DM		 2869};
2870
bf164cc0 2871
582241a0 2872static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 2873{
5c8fa4f7 2874 struct wiphy *wiphy;
582241a0 2875 struct rndis_wlan_private *priv;
bf164cc0
JK		 2876 int retval, len;
2877 __le32 tmp;
2878
5c8fa4f7
JL		 2879 /* allocate wiphy and rndis private data
2880 * NOTE: We only support a single virtual interface, so wiphy
2881 * and wireless_dev are somewhat synonymous for this device.
2882 */
582241a0 2883 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
5c8fa4f7 2884 if (!wiphy)
bf164cc0
JK		 2885 return -ENOMEM;
2886
5c8fa4f7
JL		 2887 priv = wiphy_priv(wiphy);
2888 usbdev->net->ieee80211_ptr = &priv->wdev;
2889 priv->wdev.wiphy = wiphy;
2890 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2891
bf164cc0 2892 /* These have to be initialized before calling generic_rndis_bind().
582241a0 2893 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
bf164cc0 2894 */
a19d7292 2895 usbdev->driver_priv = priv;
a19d7292
JK		 2896 usbdev->net->wireless_handlers = &rndis_iw_handlers;
2897 priv->usbdev = usbdev;
bf164cc0
JK		 2898
2899 mutex_init(&priv->command_lock);
2900 spin_lock_init(&priv->stats_lock);
2901
8d4d99ae
JK		 2902 /* because rndis_command() sleeps we need to use workqueue */
2903 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
582241a0 2904 INIT_WORK(&priv->work, rndis_wlan_worker);
8d4d99ae
JK		 2905 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2906 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2907
bf164cc0 2908 /* try bind rndis_host */
a19d7292 2909 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
bf164cc0
JK		 2910 if (retval < 0)
2911 goto fail;
2912
2913 /* generic_rndis_bind set packet filter to multicast_all+
2914 * promisc mode which doesn't work well for our devices (device
2915 * picks up rssi to closest station instead of to access point).
2916 *
2917 * rndis_host wants to avoid all OID as much as possible
582241a0 2918 * so do promisc/multicast handling in rndis_wlan.
bf164cc0 2919 */
582241a0 2920 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
23d12e2b 2921
bf164cc0 2922 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
a19d7292 2923 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
bf164cc0
JK		 2924 sizeof(tmp));
2925
2926 len = sizeof(tmp);
a19d7292
JK		 2927 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2928 &len);
bf164cc0
JK		 2929 priv->multicast_size = le32_to_cpu(tmp);
2930 if (retval < 0 || priv->multicast_size < 0)
2931 priv->multicast_size = 0;
2932 if (priv->multicast_size > 0)
a19d7292 2933 usbdev->net->flags |= IFF_MULTICAST;
bf164cc0 2934 else
a19d7292 2935 usbdev->net->flags &= ~IFF_MULTICAST;
bf164cc0
JK		 2936
2937 priv->iwstats.qual.qual = 0;
2938 priv->iwstats.qual.level = 0;
2939 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2940 | IW_QUAL_LEVEL_UPDATED
2941 | IW_QUAL_NOISE_INVALID
2942 | IW_QUAL_QUAL_INVALID
2943 | IW_QUAL_LEVEL_INVALID;
2944
5c8fa4f7
JL		 2945 /* fill-out wiphy structure and register w/ cfg80211 */
2946 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2947 wiphy->privid = rndis_wiphy_privid;
2948 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2949 | BIT(NL80211_IFTYPE_ADHOC);
2950 wiphy->max_scan_ssids = 1;
2951
4a7f13ee 2952 /* TODO: fill-out band/encr information based on priv->caps */
582241a0 2953 rndis_wlan_get_caps(usbdev);
5c8fa4f7
JL		 2954
2955 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2956 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2957 priv->band.channels = priv->channels;
2958 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2959 priv->band.bitrates = priv->rates;
2960 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2961 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
4d2a369e 2962 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
5c8fa4f7 2963
4a7f13ee
JK		 2964 memcpy(priv->cipher_suites, rndis_cipher_suites,
2965 sizeof(rndis_cipher_suites));
2966 wiphy->cipher_suites = priv->cipher_suites;
2967 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
2968
5c8fa4f7
JL		 2969 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2970
2971 if (wiphy_register(wiphy)) {
eb1a685e
JK		 2972 retval = -ENODEV;
2973 goto fail;
5c8fa4f7
JL		 2974 }
2975
a19d7292 2976 set_default_iw_params(usbdev);
bf164cc0 2977
d75ec2b7
JK		 2978 /* set default rts/frag */
2979 rndis_set_wiphy_params(wiphy,
2980 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2981
bf164cc0
JK		 2982 /* turn radio on */
2983 priv->radio_on = 1;
a19d7292
JK		 2984 disassociate(usbdev, 1);
2985 netif_carrier_off(usbdev->net);
bf164cc0 2986
bf164cc0
JK		 2987 return 0;
2988
2989fail:
8d4d99ae
JK		 2990 cancel_delayed_work_sync(&priv->stats_work);
2991 cancel_delayed_work_sync(&priv->scan_work);
2992 cancel_work_sync(&priv->work);
2993 flush_workqueue(priv->workqueue);
2994 destroy_workqueue(priv->workqueue);
2995
eb1a685e 2996 wiphy_free(wiphy);
bf164cc0
JK		 2997 return retval;
2998}
2999
3000
582241a0 3001static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3002{
582241a0 3003 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 3004
3005 /* turn radio off */
a19d7292 3006 disassociate(usbdev, 0);
bf164cc0
JK		 3007
3008 cancel_delayed_work_sync(&priv->stats_work);
71a7b26d 3009 cancel_delayed_work_sync(&priv->scan_work);
bf164cc0
JK		 3010 cancel_work_sync(&priv->work);
3011 flush_workqueue(priv->workqueue);
3012 destroy_workqueue(priv->workqueue);
3013
3014 if (priv && priv->wpa_ie_len)
3015 kfree(priv->wpa_ie);
bf164cc0 3016
a19d7292 3017 rndis_unbind(usbdev, intf);
5c8fa4f7
JL		 3018
3019 wiphy_unregister(priv->wdev.wiphy);
3020 wiphy_free(priv->wdev.wiphy);
bf164cc0
JK		 3021}
3022
3023
582241a0 3024static int rndis_wlan_reset(struct usbnet *usbdev)
bf164cc0 3025{
110736de 3026 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
7eaab708 3027 int retval;
110736de 3028
222ec50a 3029 devdbg(usbdev, "rndis_wlan_reset");
110736de 3030
7eaab708
JK		 3031 retval = rndis_reset(usbdev);
3032 if (retval)
3033 devwarn(usbdev, "rndis_reset() failed: %d", retval);
3034
e5a11a82
JK		 3035 /* rndis_reset cleared multicast list, so restore here.
3036 (set_multicast_list() also turns on current packet filter) */
7eaab708
JK		 3037 set_multicast_list(usbdev);
3038
110736de
JK		 3039 queue_delayed_work(priv->workqueue, &priv->stats_work,
3040 round_jiffies_relative(STATS_UPDATE_JIFFIES));
3041
a19d7292 3042 return deauthenticate(usbdev);
bf164cc0
JK		 3043}
3044
3045
222ec50a
JK		 3046static int rndis_wlan_stop(struct usbnet *usbdev)
3047{
110736de
JK		 3048 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3049 int retval;
e5a11a82 3050 __le32 filter;
110736de 3051
222ec50a 3052 devdbg(usbdev, "rndis_wlan_stop");
110736de
JK		 3053
3054 retval = disassociate(usbdev, 0);
3055
3056 priv->work_pending = 0;
3057 cancel_delayed_work_sync(&priv->stats_work);
3058 cancel_delayed_work_sync(&priv->scan_work);
3059 cancel_work_sync(&priv->work);
3060 flush_workqueue(priv->workqueue);
3061
005ba2f1
JK		 3062 if (priv->scan_request) {
3063 cfg80211_scan_done(priv->scan_request, true);
3064 priv->scan_request = NULL;
3065 }
3066
e5a11a82
JK		 3067 /* Set current packet filter zero to block receiving data packets from
3068 device. */
3069 filter = 0;
3070 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3071 sizeof(filter));
3072
110736de 3073 return retval;
222ec50a
JK		 3074}
3075
3076
bf164cc0
JK		 3077static const struct driver_info bcm4320b_info = {
3078 .description = "Wireless RNDIS device, BCM4320b based",
1487cd5e
JK		 3079 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3080 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3081 .bind = rndis_wlan_bind,
3082 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3083 .status = rndis_status,
3084 .rx_fixup = rndis_rx_fixup,
3085 .tx_fixup = rndis_tx_fixup,
582241a0 3086 .reset = rndis_wlan_reset,
222ec50a 3087 .stop = rndis_wlan_stop,
59620e9f 3088 .early_init = bcm4320b_early_init,
2a4901bc 3089 .indication = rndis_wlan_indication,
bf164cc0
JK		 3090};
3091
3092static const struct driver_info bcm4320a_info = {
3093 .description = "Wireless RNDIS device, BCM4320a based",
1487cd5e
JK		 3094 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3095 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3096 .bind = rndis_wlan_bind,
3097 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3098 .status = rndis_status,
3099 .rx_fixup = rndis_rx_fixup,
3100 .tx_fixup = rndis_tx_fixup,
582241a0 3101 .reset = rndis_wlan_reset,
222ec50a 3102 .stop = rndis_wlan_stop,
59620e9f 3103 .early_init = bcm4320a_early_init,
2a4901bc 3104 .indication = rndis_wlan_indication,
bf164cc0
JK		 3105};
3106
582241a0 3107static const struct driver_info rndis_wlan_info = {
bf164cc0 3108 .description = "Wireless RNDIS device",
1487cd5e
JK		 3109 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3110 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3111 .bind = rndis_wlan_bind,
3112 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3113 .status = rndis_status,
3114 .rx_fixup = rndis_rx_fixup,
3115 .tx_fixup = rndis_tx_fixup,
582241a0 3116 .reset = rndis_wlan_reset,
222ec50a 3117 .stop = rndis_wlan_stop,
59620e9f 3118 .early_init = bcm4320a_early_init,
2a4901bc 3119 .indication = rndis_wlan_indication,
bf164cc0
JK		 3120};
3121
3122/*-------------------------------------------------------------------------*/
3123
3124static const struct usb_device_id products [] = {
3125#define RNDIS_MASTER_INTERFACE \
3126 .bInterfaceClass = USB_CLASS_COMM, \
3127 .bInterfaceSubClass = 2 /* ACM */, \
3128 .bInterfaceProtocol = 0x0ff
3129
3130/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3131 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3132 */
3133{
3134 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3135 | USB_DEVICE_ID_MATCH_DEVICE,
3136 .idVendor = 0x0411,
3137 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3138 RNDIS_MASTER_INTERFACE,
3139 .driver_info = (unsigned long) &bcm4320b_info,
3140}, {
3141 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3142 | USB_DEVICE_ID_MATCH_DEVICE,
3143 .idVendor = 0x0baf,
3144 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3145 RNDIS_MASTER_INTERFACE,
3146 .driver_info = (unsigned long) &bcm4320b_info,
3147}, {
3148 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3149 | USB_DEVICE_ID_MATCH_DEVICE,
3150 .idVendor = 0x050d,
3151 .idProduct = 0x011b, /* Belkin F5D7051 */
3152 RNDIS_MASTER_INTERFACE,
3153 .driver_info = (unsigned long) &bcm4320b_info,
3154}, {
3155 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3156 | USB_DEVICE_ID_MATCH_DEVICE,
3157 .idVendor = 0x1799, /* Belkin has two vendor ids */
3158 .idProduct = 0x011b, /* Belkin F5D7051 */
3159 RNDIS_MASTER_INTERFACE,
3160 .driver_info = (unsigned long) &bcm4320b_info,
3161}, {
3162 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3163 | USB_DEVICE_ID_MATCH_DEVICE,
3164 .idVendor = 0x13b1,
3165 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3166 RNDIS_MASTER_INTERFACE,
3167 .driver_info = (unsigned long) &bcm4320b_info,
3168}, {
3169 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3170 | USB_DEVICE_ID_MATCH_DEVICE,
3171 .idVendor = 0x13b1,
3172 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3173 RNDIS_MASTER_INTERFACE,
3174 .driver_info = (unsigned long) &bcm4320b_info,
3175}, {
3176 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3177 | USB_DEVICE_ID_MATCH_DEVICE,
3178 .idVendor = 0x0b05,
3179 .idProduct = 0x1717, /* Asus WL169gE */
3180 RNDIS_MASTER_INTERFACE,
3181 .driver_info = (unsigned long) &bcm4320b_info,
3182}, {
3183 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3184 | USB_DEVICE_ID_MATCH_DEVICE,
3185 .idVendor = 0x0a5c,
3186 .idProduct = 0xd11b, /* Eminent EM4045 */
3187 RNDIS_MASTER_INTERFACE,
3188 .driver_info = (unsigned long) &bcm4320b_info,
3189}, {
3190 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3191 | USB_DEVICE_ID_MATCH_DEVICE,
3192 .idVendor = 0x1690,
3193 .idProduct = 0x0715, /* BT Voyager 1055 */
3194 RNDIS_MASTER_INTERFACE,
3195 .driver_info = (unsigned long) &bcm4320b_info,
3196},
3197/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3198 * parameters available, hardware probably contain older firmware version with
3199 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3200 */
3201{
3202 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3203 | USB_DEVICE_ID_MATCH_DEVICE,
3204 .idVendor = 0x13b1,
3205 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3206 RNDIS_MASTER_INTERFACE,
3207 .driver_info = (unsigned long) &bcm4320a_info,
3208}, {
3209 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3210 | USB_DEVICE_ID_MATCH_DEVICE,
3211 .idVendor = 0x0baf,
3212 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3213 RNDIS_MASTER_INTERFACE,
3214 .driver_info = (unsigned long) &bcm4320a_info,
3215}, {
3216 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3217 | USB_DEVICE_ID_MATCH_DEVICE,
3218 .idVendor = 0x0411,
3219 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3220 RNDIS_MASTER_INTERFACE,
3221 .driver_info = (unsigned long) &bcm4320a_info,
3222},
3223/* Generic Wireless RNDIS devices that we don't have exact
3224 * idVendor/idProduct/chip yet.
3225 */
3226{
3227 /* RNDIS is MSFT's un-official variant of CDC ACM */
3228 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
582241a0 3229 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3230}, {
3231 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3232 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
582241a0 3233 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3234},
3235 { }, // END
3236};
3237MODULE_DEVICE_TABLE(usb, products);
3238
3239static struct usb_driver rndis_wlan_driver = {
3240 .name = "rndis_wlan",
3241 .id_table = products,
3242 .probe = usbnet_probe,
3243 .disconnect = usbnet_disconnect,
3244 .suspend = usbnet_suspend,
3245 .resume = usbnet_resume,
3246};
3247
3248static int __init rndis_wlan_init(void)
3249{
3250 return usb_register(&rndis_wlan_driver);
3251}
3252module_init(rndis_wlan_init);
3253
3254static void __exit rndis_wlan_exit(void)
3255{
3256 usb_deregister(&rndis_wlan_driver);
3257}
3258module_exit(rndis_wlan_exit);
3259
3260MODULE_AUTHOR("Bjorge Dijkstra");
3261MODULE_AUTHOR("Jussi Kivilinna");
3262MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3263MODULE_LICENSE("GPL");
3264
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