projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
rndis_wlan: add missing padding to struct rndis_80211_remove_key
[deliverable/linux.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
bf164cc0 416/* RNDIS device private data */
582241a0 417struct rndis_wlan_private {
bf164cc0
JK		 418 struct usbnet *usbdev;
419
5c8fa4f7
JL		 420 struct wireless_dev wdev;
421
71a7b26d
JK		 422 struct cfg80211_scan_request *scan_request;
423
bf164cc0
JK		 424 struct workqueue_struct *workqueue;
425 struct delayed_work stats_work;
71a7b26d 426 struct delayed_work scan_work;
bf164cc0
JK		 427 struct work_struct work;
428 struct mutex command_lock;
429 spinlock_t stats_lock;
430 unsigned long work_pending;
431
5c8fa4f7
JL		 432 struct ieee80211_supported_band band;
433 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
434 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
435
bf164cc0
JK		 436 struct iw_statistics iwstats;
437 struct iw_statistics privstats;
438
bf164cc0
JK		 439 int caps;
440 int multicast_size;
441
442 /* module parameters */
443 char param_country[4];
444 int param_frameburst;
445 int param_afterburner;
446 int param_power_save;
447 int param_power_output;
448 int param_roamtrigger;
449 int param_roamdelta;
450 u32 param_workaround_interval;
451
452 /* hardware state */
453 int radio_on;
454 int infra_mode;
1e41e1d2 455 struct ndis_80211_ssid essid;
bf164cc0
JK		 456
457 /* encryption stuff */
458 int encr_tx_key_index;
459 char encr_keys[4][32];
460 int encr_key_len[4];
9839178e 461 char encr_key_wpa[4];
bf164cc0
JK		 462 int wpa_version;
463 int wpa_keymgmt;
464 int wpa_authalg;
465 int wpa_ie_len;
466 u8 *wpa_ie;
467 int wpa_cipher_pair;
468 int wpa_cipher_group;
90d07349
JK		 469
470 u8 command_buffer[COMMAND_BUFFER_SIZE];
bf164cc0
JK		 471};
472
964c1d41
JL		 473/*
474 * cfg80211 ops
475 */
e36d56b6
JB		 476static int rndis_change_virtual_intf(struct wiphy *wiphy,
477 struct net_device *dev,
964c1d41
JL		 478 enum nl80211_iftype type, u32 *flags,
479 struct vif_params *params);
480
71a7b26d
JK		 481static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
482 struct cfg80211_scan_request *request);
483
d75ec2b7
JK		 484static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
485
222ec50a
JK		 486static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
487 int dbm);
488static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
489
caa6dfad 490static struct cfg80211_ops rndis_config_ops = {
964c1d41 491 .change_virtual_intf = rndis_change_virtual_intf,
71a7b26d 492 .scan = rndis_scan,
d75ec2b7 493 .set_wiphy_params = rndis_set_wiphy_params,
222ec50a
JK		 494 .set_tx_power = rndis_set_tx_power,
495 .get_tx_power = rndis_get_tx_power,
964c1d41 496};
bf164cc0 497
caa6dfad 498static void *rndis_wiphy_privid = &rndis_wiphy_privid;
bf164cc0 499
bf164cc0
JK		 500
501static const unsigned char zero_bssid[ETH_ALEN] = {0,};
502static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
503 0xff, 0xff, 0xff };
504
505
582241a0 506static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
bf164cc0 507{
582241a0 508 return (struct rndis_wlan_private *)dev->driver_priv;
bf164cc0
JK		 509}
510
511
222ec50a 512static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
bf164cc0 513{
222ec50a
JK		 514 switch (priv->param_power_output) {
515 default:
516 case 3:
517 return BCM4320_DEFAULT_TXPOWER_DBM_100;
518 case 2:
519 return BCM4320_DEFAULT_TXPOWER_DBM_75;
520 case 1:
521 return BCM4320_DEFAULT_TXPOWER_DBM_50;
522 case 0:
523 return BCM4320_DEFAULT_TXPOWER_DBM_25;
524 }
bf164cc0
JK		 525}
526
527
27b7b5c1
JK		 528#ifdef DEBUG
529static const char *oid_to_string(__le32 oid)
530{
531 switch (oid) {
532#define OID_STR(oid) case oid: return(#oid)
533 /* from rndis_host.h */
534 OID_STR(OID_802_3_PERMANENT_ADDRESS);
535 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
536 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
537 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
538
539 /* from rndis_wlan.c */
540 OID_STR(OID_GEN_LINK_SPEED);
541 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
542
543 OID_STR(OID_GEN_XMIT_OK);
544 OID_STR(OID_GEN_RCV_OK);
545 OID_STR(OID_GEN_XMIT_ERROR);
546 OID_STR(OID_GEN_RCV_ERROR);
547 OID_STR(OID_GEN_RCV_NO_BUFFER);
548
549 OID_STR(OID_802_3_CURRENT_ADDRESS);
550 OID_STR(OID_802_3_MULTICAST_LIST);
551 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
552
553 OID_STR(OID_802_11_BSSID);
554 OID_STR(OID_802_11_SSID);
555 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
556 OID_STR(OID_802_11_ADD_WEP);
557 OID_STR(OID_802_11_REMOVE_WEP);
558 OID_STR(OID_802_11_DISASSOCIATE);
559 OID_STR(OID_802_11_AUTHENTICATION_MODE);
560 OID_STR(OID_802_11_PRIVACY_FILTER);
561 OID_STR(OID_802_11_BSSID_LIST_SCAN);
562 OID_STR(OID_802_11_ENCRYPTION_STATUS);
563 OID_STR(OID_802_11_ADD_KEY);
564 OID_STR(OID_802_11_REMOVE_KEY);
565 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
566 OID_STR(OID_802_11_PMKID);
567 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
568 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
569 OID_STR(OID_802_11_TX_POWER_LEVEL);
570 OID_STR(OID_802_11_RSSI);
571 OID_STR(OID_802_11_RSSI_TRIGGER);
572 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
573 OID_STR(OID_802_11_RTS_THRESHOLD);
574 OID_STR(OID_802_11_SUPPORTED_RATES);
575 OID_STR(OID_802_11_CONFIGURATION);
576 OID_STR(OID_802_11_BSSID_LIST);
577#undef OID_STR
578 }
579
580 return "?";
581}
582#else
583static const char *oid_to_string(__le32 oid)
584{
585 return "?";
586}
587#endif
588
589
bf164cc0
JK		 590/* translate error code */
591static int rndis_error_status(__le32 rndis_status)
592{
593 int ret = -EINVAL;
594 switch (rndis_status) {
595 case RNDIS_STATUS_SUCCESS:
596 ret = 0;
597 break;
598 case RNDIS_STATUS_FAILURE:
599 case RNDIS_STATUS_INVALID_DATA:
600 ret = -EINVAL;
601 break;
602 case RNDIS_STATUS_NOT_SUPPORTED:
603 ret = -EOPNOTSUPP;
604 break;
605 case RNDIS_STATUS_ADAPTER_NOT_READY:
606 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
607 ret = -EBUSY;
608 break;
609 }
610 return ret;
611}
612
613
614static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
615{
582241a0 616 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 617 union {
618 void *buf;
619 struct rndis_msg_hdr *header;
620 struct rndis_query *get;
621 struct rndis_query_c *get_c;
622 } u;
623 int ret, buflen;
624
625 buflen = *len + sizeof(*u.get);
626 if (buflen < CONTROL_BUFFER_SIZE)
627 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 628
629 if (buflen > COMMAND_BUFFER_SIZE) {
630 u.buf = kmalloc(buflen, GFP_KERNEL);
631 if (!u.buf)
632 return -ENOMEM;
633 } else {
634 u.buf = priv->command_buffer;
635 }
636
637 mutex_lock(&priv->command_lock);
638
bf164cc0
JK		 639 memset(u.get, 0, sizeof *u.get);
640 u.get->msg_type = RNDIS_MSG_QUERY;
35c26c2c 641 u.get->msg_len = cpu_to_le32(sizeof *u.get);
bf164cc0
JK		 642 u.get->oid = oid;
643
818727ba 644 ret = rndis_command(dev, u.header, buflen);
27b7b5c1
JK		 645 if (ret < 0)
646 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
647 "(%08x)", oid_to_string(oid), ret,
648 le32_to_cpu(u.get_c->status));
649
bf164cc0
JK		 650 if (ret == 0) {
651 ret = le32_to_cpu(u.get_c->len);
652 *len = (*len > ret) ? ret : *len;
653 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
654 ret = rndis_error_status(u.get_c->status);
27b7b5c1
JK		 655
656 if (ret < 0)
657 devdbg(dev, "rndis_query_oid(%s): device returned "
658 "error, 0x%08x (%d)", oid_to_string(oid),
659 le32_to_cpu(u.get_c->status), ret);
bf164cc0
JK		 660 }
661
90d07349
JK		 662 mutex_unlock(&priv->command_lock);
663
664 if (u.buf != priv->command_buffer)
665 kfree(u.buf);
bf164cc0
JK		 666 return ret;
667}
668
669
670static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
671{
582241a0 672 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 673 union {
674 void *buf;
675 struct rndis_msg_hdr *header;
676 struct rndis_set *set;
677 struct rndis_set_c *set_c;
678 } u;
679 int ret, buflen;
680
681 buflen = len + sizeof(*u.set);
682 if (buflen < CONTROL_BUFFER_SIZE)
683 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 684
685 if (buflen > COMMAND_BUFFER_SIZE) {
686 u.buf = kmalloc(buflen, GFP_KERNEL);
687 if (!u.buf)
688 return -ENOMEM;
689 } else {
690 u.buf = priv->command_buffer;
691 }
692
693 mutex_lock(&priv->command_lock);
bf164cc0
JK		 694
695 memset(u.set, 0, sizeof *u.set);
696 u.set->msg_type = RNDIS_MSG_SET;
697 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
698 u.set->oid = oid;
699 u.set->len = cpu_to_le32(len);
35c26c2c
HH		 700 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
701 u.set->handle = cpu_to_le32(0);
bf164cc0
JK		 702 memcpy(u.buf + sizeof(*u.set), data, len);
703
818727ba 704 ret = rndis_command(dev, u.header, buflen);
27b7b5c1
JK		 705 if (ret < 0)
706 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
707 "(%08x)", oid_to_string(oid), ret,
708 le32_to_cpu(u.set_c->status));
709
710 if (ret == 0) {
bf164cc0
JK		 711 ret = rndis_error_status(u.set_c->status);
712
27b7b5c1
JK		 713 if (ret < 0)
714 devdbg(dev, "rndis_set_oid(%s): device returned error, "
715 "0x%08x (%d)", oid_to_string(oid),
716 le32_to_cpu(u.set_c->status), ret);
717 }
718
90d07349
JK		 719 mutex_unlock(&priv->command_lock);
720
721 if (u.buf != priv->command_buffer)
722 kfree(u.buf);
bf164cc0
JK		 723 return ret;
724}
725
726
7eaab708
JK		 727static int rndis_reset(struct usbnet *usbdev)
728{
729 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
730 struct rndis_reset *reset;
731 int ret;
732
733 mutex_lock(&priv->command_lock);
734
735 reset = (void *)priv->command_buffer;
736 memset(reset, 0, sizeof(*reset));
737 reset->msg_type = RNDIS_MSG_RESET;
738 reset->msg_len = cpu_to_le32(sizeof(*reset));
739 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
740
741 mutex_unlock(&priv->command_lock);
742
743 if (ret < 0)
744 return ret;
745 return 0;
746}
747
748
bf164cc0
JK		 749/*
750 * Specs say that we can only set config parameters only soon after device
751 * initialization.
752 * value_type: 0 = u32, 2 = unicode string
753 */
754static int rndis_set_config_parameter(struct usbnet *dev, char *param,
755 int value_type, void *value)
756{
1e41e1d2 757 struct ndis_config_param *infobuf;
bf164cc0
JK		 758 int value_len, info_len, param_len, ret, i;
759 __le16 *unibuf;
760 __le32 *dst_value;
761
762 if (value_type == 0)
763 value_len = sizeof(__le32);
764 else if (value_type == 2)
765 value_len = strlen(value) * sizeof(__le16);
766 else
767 return -EINVAL;
768
769 param_len = strlen(param) * sizeof(__le16);
770 info_len = sizeof(*infobuf) + param_len + value_len;
771
772#ifdef DEBUG
773 info_len += 12;
774#endif
775 infobuf = kmalloc(info_len, GFP_KERNEL);
776 if (!infobuf)
777 return -ENOMEM;
778
779#ifdef DEBUG
780 info_len -= 12;
781 /* extra 12 bytes are for padding (debug output) */
782 memset(infobuf, 0xCC, info_len + 12);
783#endif
784
785 if (value_type == 2)
786 devdbg(dev, "setting config parameter: %s, value: %s",
787 param, (u8 *)value);
788 else
789 devdbg(dev, "setting config parameter: %s, value: %d",
790 param, *(u32 *)value);
791
461b3f2a
JK		 792 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
793 infobuf->name_length = cpu_to_le32(param_len);
794 infobuf->type = cpu_to_le32(value_type);
795 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
796 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 797
798 /* simple string to unicode string conversion */
799 unibuf = (void *)infobuf + sizeof(*infobuf);
800 for (i = 0; i < param_len / sizeof(__le16); i++)
801 unibuf[i] = cpu_to_le16(param[i]);
802
803 if (value_type == 2) {
804 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
805 for (i = 0; i < value_len / sizeof(__le16); i++)
806 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
807 } else {
808 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
809 *dst_value = cpu_to_le32(*(u32 *)value);
810 }
811
812#ifdef DEBUG
813 devdbg(dev, "info buffer (len: %d):", info_len);
814 for (i = 0; i < info_len; i += 12) {
815 u32 *tmp = (u32 *)((u8 *)infobuf + i);
816 devdbg(dev, "%08X:%08X:%08X",
817 cpu_to_be32(tmp[0]),
818 cpu_to_be32(tmp[1]),
819 cpu_to_be32(tmp[2]));
820 }
821#endif
822
823 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
824 infobuf, info_len);
825 if (ret != 0)
6d60f9df 826 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
bf164cc0
JK		 827
828 kfree(infobuf);
829 return ret;
830}
831
832static int rndis_set_config_parameter_str(struct usbnet *dev,
833 char *param, char *value)
834{
835 return(rndis_set_config_parameter(dev, param, 2, value));
836}
837
838/*static int rndis_set_config_parameter_u32(struct usbnet *dev,
839 char *param, u32 value)
840{
841 return(rndis_set_config_parameter(dev, param, 0, &value));
842}*/
843
844
845/*
846 * data conversion functions
847 */
848static int level_to_qual(int level)
849{
850 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
851 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
852}
853
854
855static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
856{
857 freq->e = 0;
858 freq->i = 0;
859 freq->flags = 0;
860
861 /* see comment in wireless.h above the "struct iw_freq"
862 * definition for an explanation of this if
863 * NOTE: 1000000 is due to the kHz
864 */
865 if (dsconfig > 1000000) {
866 freq->m = dsconfig / 10;
867 freq->e = 1;
868 } else
869 freq->m = dsconfig;
870
871 /* convert from kHz to Hz */
872 freq->e += 3;
873}
874
875
876static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
877{
878 if (freq->m < 1000 && freq->e == 0) {
9ee677c2
DK		 879 if (freq->m >= 1 && freq->m <= 14)
880 *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
bf164cc0
JK		 881 else
882 return -1;
883 } else {
884 int i;
885 *dsconfig = freq->m;
886 for (i = freq->e; i > 0; i--)
887 *dsconfig *= 10;
888 *dsconfig /= 1000;
889 }
890
891 return 0;
892}
893
894
895/*
896 * common functions
897 */
898static int
899add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index);
900
1e41e1d2 901static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0
JK		 902{
903 int ret, len;
904
905 len = sizeof(*ssid);
906 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
907
908 if (ret != 0)
461b3f2a 909 ssid->length = 0;
bf164cc0
JK		 910
911#ifdef DEBUG
912 {
913 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
914
461b3f2a
JK		 915 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
916 tmp[le32_to_cpu(ssid->length)] = 0;
bf164cc0
JK		 917 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
918 }
919#endif
920 return ret;
921}
922
923
1e41e1d2 924static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0 925{
582241a0 926 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 927 int ret;
928
929 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
930 if (ret == 0) {
931 memcpy(&priv->essid, ssid, sizeof(priv->essid));
932 priv->radio_on = 1;
933 devdbg(usbdev, "set_essid: radio_on = 1");
934 }
935
936 return ret;
937}
938
939
940static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
941{
942 int ret, len;
943
944 len = ETH_ALEN;
945 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
946
947 if (ret != 0)
948 memset(bssid, 0, ETH_ALEN);
949
950 return ret;
951}
952
4364623c
SA		 953static int get_association_info(struct usbnet *usbdev,
954 struct ndis_80211_assoc_info *info, int len)
955{
956 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
957 info, &len);
958}
bf164cc0
JK		 959
960static int is_associated(struct usbnet *usbdev)
961{
962 u8 bssid[ETH_ALEN];
963 int ret;
964
965 ret = get_bssid(usbdev, bssid);
966
967 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
968}
969
970
971static int disassociate(struct usbnet *usbdev, int reset_ssid)
972{
582241a0 973 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 974 struct ndis_80211_ssid ssid;
bf164cc0
JK		 975 int i, ret = 0;
976
977 if (priv->radio_on) {
978 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
979 if (ret == 0) {
980 priv->radio_on = 0;
981 devdbg(usbdev, "disassociate: radio_on = 0");
982
983 if (reset_ssid)
984 msleep(100);
985 }
986 }
987
988 /* disassociate causes radio to be turned off; if reset_ssid
989 * is given, set random ssid to enable radio */
990 if (reset_ssid) {
461b3f2a
JK		 991 ssid.length = cpu_to_le32(sizeof(ssid.essid));
992 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
993 ssid.essid[0] = 0x1;
994 ssid.essid[1] = 0xff;
995 for (i = 2; i < sizeof(ssid.essid); i++)
996 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 997 ret = set_essid(usbdev, &ssid);
998 }
999 return ret;
1000}
1001
1002
1003static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
1004{
582241a0 1005 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1006 __le32 tmp;
1007 int auth_mode, ret;
1008
1009 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1010 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
1011
1012 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
1013 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
aa18294a 1014 auth_mode = NDIS_80211_AUTH_WPA2;
bf164cc0 1015 else
aa18294a 1016 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
bf164cc0
JK		 1017 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
1018 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
aa18294a 1019 auth_mode = NDIS_80211_AUTH_WPA;
bf164cc0 1020 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
aa18294a 1021 auth_mode = NDIS_80211_AUTH_WPA_PSK;
bf164cc0 1022 else
aa18294a 1023 auth_mode = NDIS_80211_AUTH_WPA_NONE;
bf164cc0
JK		 1024 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
1025 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
aa18294a 1026 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
bf164cc0 1027 else
aa18294a 1028 auth_mode = NDIS_80211_AUTH_SHARED;
bf164cc0 1029 } else
aa18294a 1030 auth_mode = NDIS_80211_AUTH_OPEN;
bf164cc0
JK		 1031
1032 tmp = cpu_to_le32(auth_mode);
1033 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1034 sizeof(tmp));
1035 if (ret != 0) {
1036 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1037 return ret;
1038 }
1039
1040 priv->wpa_version = wpa_version;
1041 priv->wpa_authalg = authalg;
1042 return 0;
1043}
1044
1045
1046static int set_priv_filter(struct usbnet *usbdev)
1047{
582241a0 1048 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1049 __le32 tmp;
1050
1051 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1052
1053 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
1054 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
aa18294a 1055 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
bf164cc0 1056 else
aa18294a 1057 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
bf164cc0
JK		 1058
1059 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1060 sizeof(tmp));
1061}
1062
1063
1064static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1065{
582241a0 1066 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1067 __le32 tmp;
1068 int encr_mode, ret;
1069
1070 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1071 pairwise,
1072 groupwise);
1073
1074 if (pairwise & IW_AUTH_CIPHER_CCMP)
aa18294a 1075 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
bf164cc0 1076 else if (pairwise & IW_AUTH_CIPHER_TKIP)
aa18294a 1077 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0
JK		 1078 else if (pairwise &
1079 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
aa18294a 1080 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
bf164cc0 1081 else if (groupwise & IW_AUTH_CIPHER_CCMP)
aa18294a 1082 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
bf164cc0 1083 else if (groupwise & IW_AUTH_CIPHER_TKIP)
aa18294a 1084 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0 1085 else
aa18294a 1086 encr_mode = NDIS_80211_ENCR_DISABLED;
bf164cc0
JK		 1087
1088 tmp = cpu_to_le32(encr_mode);
1089 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1090 sizeof(tmp));
1091 if (ret != 0) {
1092 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1093 return ret;
1094 }
1095
1096 priv->wpa_cipher_pair = pairwise;
1097 priv->wpa_cipher_group = groupwise;
1098 return 0;
1099}
1100
1101
1102static int set_assoc_params(struct usbnet *usbdev)
1103{
582241a0 1104 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1105
1106 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
1107 set_priv_filter(usbdev);
1108 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
1109
1110 return 0;
1111}
1112
1113
1114static int set_infra_mode(struct usbnet *usbdev, int mode)
1115{
582241a0 1116 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1117 __le32 tmp;
1118 int ret, i;
1119
1120 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1121
1122 tmp = cpu_to_le32(mode);
1123 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1124 sizeof(tmp));
1125 if (ret != 0) {
1126 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1127 return ret;
1128 }
1129
1130 /* NDIS drivers clear keys when infrastructure mode is
1131 * changed. But Linux tools assume otherwise. So set the
1132 * keys */
1133 if (priv->wpa_keymgmt == 0 ||
1134 priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) {
1135 for (i = 0; i < 4; i++) {
9839178e 1136 if (priv->encr_key_len[i] > 0 && !priv->encr_key_wpa[i])
bf164cc0
JK		 1137 add_wep_key(usbdev, priv->encr_keys[i],
1138 priv->encr_key_len[i], i);
1139 }
1140 }
1141
1142 priv->infra_mode = mode;
1143 return 0;
1144}
1145
1146
d75ec2b7
JK		 1147static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1148{
1149 __le32 tmp;
1150
1151 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1152
1153 if (rts_threshold < 0 || rts_threshold > 2347)
1154 rts_threshold = 2347;
1155
1156 tmp = cpu_to_le32(rts_threshold);
1157 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1158 sizeof(tmp));
1159}
1160
1161
1162static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1163{
1164 __le32 tmp;
1165
1166 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1167
1168 if (frag_threshold < 256 || frag_threshold > 2346)
1169 frag_threshold = 2346;
1170
1171 tmp = cpu_to_le32(frag_threshold);
1172 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1173 sizeof(tmp));
1174}
1175
1176
bf164cc0
JK		 1177static void set_default_iw_params(struct usbnet *usbdev)
1178{
582241a0 1179 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1180
1181 priv->wpa_keymgmt = 0;
1182 priv->wpa_version = 0;
1183
aa18294a 1184 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
bf164cc0
JK		 1185 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1186 IW_AUTH_ALG_OPEN_SYSTEM);
1187 set_priv_filter(usbdev);
1188 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1189}
1190
1191
1192static int deauthenticate(struct usbnet *usbdev)
1193{
1194 int ret;
1195
1196 ret = disassociate(usbdev, 1);
1197 set_default_iw_params(usbdev);
1198 return ret;
1199}
1200
1201
1202/* index must be 0 - N, as per NDIS */
1203static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
1204{
582241a0 1205 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1206 struct ndis_80211_wep_key ndis_key;
bf164cc0
JK		 1207 int ret;
1208
1209 if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4)
1210 return -EINVAL;
1211
1212 memset(&ndis_key, 0, sizeof(ndis_key));
1213
461b3f2a
JK		 1214 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1215 ndis_key.length = cpu_to_le32(key_len);
1216 ndis_key.index = cpu_to_le32(index);
1217 memcpy(&ndis_key.material, key, key_len);
bf164cc0
JK		 1218
1219 if (index == priv->encr_tx_key_index) {
aa18294a 1220 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
bf164cc0
JK		 1221 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
1222 IW_AUTH_CIPHER_NONE);
1223 if (ret)
1224 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1225 ret);
1226 }
1227
1228 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1229 sizeof(ndis_key));
1230 if (ret != 0) {
1231 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1232 index+1, ret);
1233 return ret;
1234 }
1235
1236 priv->encr_key_len[index] = key_len;
9839178e 1237 priv->encr_key_wpa[index] = 0;
bf164cc0
JK		 1238 memcpy(&priv->encr_keys[index], key, key_len);
1239
1240 return 0;
1241}
1242
1243
b145ee0c
JK		 1244static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1245 int index, const struct sockaddr *addr,
1246 const u8 *rx_seq, int alg, int flags)
1247{
582241a0 1248 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b145ee0c
JK		 1249 struct ndis_80211_key ndis_key;
1250 int ret;
1251
1252 if (index < 0 || index >= 4)
1253 return -EINVAL;
1254 if (key_len > sizeof(ndis_key.material) || key_len < 0)
1255 return -EINVAL;
aa18294a 1256 if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq)
b145ee0c 1257 return -EINVAL;
aa18294a 1258 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !addr)
b145ee0c
JK		 1259 return -EINVAL;
1260
1261 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
aa18294a
JK		 1262 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1263 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1264 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
b145ee0c
JK		 1265
1266 memset(&ndis_key, 0, sizeof(ndis_key));
1267
1268 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1269 sizeof(ndis_key.material) + key_len);
1270 ndis_key.length = cpu_to_le32(key_len);
1271 ndis_key.index = cpu_to_le32(index) | flags;
1272
1273 if (alg == IW_ENCODE_ALG_TKIP && key_len == 32) {
1274 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1275 * different order than NDIS spec, so swap the order here. */
1276 memcpy(ndis_key.material, key, 16);
1277 memcpy(ndis_key.material + 16, key + 24, 8);
1278 memcpy(ndis_key.material + 24, key + 16, 8);
1279 } else
1280 memcpy(ndis_key.material, key, key_len);
1281
aa18294a 1282 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
b145ee0c
JK		 1283 memcpy(ndis_key.rsc, rx_seq, 6);
1284
aa18294a 1285 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
b145ee0c
JK		 1286 /* pairwise key */
1287 memcpy(ndis_key.bssid, addr->sa_data, ETH_ALEN);
1288 } else {
1289 /* group key */
aa18294a 1290 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
b145ee0c
JK		 1291 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1292 else
1293 get_bssid(usbdev, ndis_key.bssid);
1294 }
1295
1296 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1297 le32_to_cpu(ndis_key.size));
1298 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1299 if (ret != 0)
1300 return ret;
1301
1302 priv->encr_key_len[index] = key_len;
9839178e
JK		 1303 priv->encr_key_wpa[index] = 1;
1304
aa18294a 1305 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
b145ee0c
JK		 1306 priv->encr_tx_key_index = index;
1307
1308 return 0;
1309}
1310
1311
bf164cc0
JK		 1312/* remove_key is for both wep and wpa */
1313static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1314{
582241a0 1315 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1316 struct ndis_80211_remove_key remove_key;
bf164cc0
JK		 1317 __le32 keyindex;
1318 int ret;
1319
1320 if (priv->encr_key_len[index] == 0)
1321 return 0;
1322
1323 priv->encr_key_len[index] = 0;
9839178e 1324 priv->encr_key_wpa[index] = 0;
bf164cc0
JK		 1325 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1326
1327 if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP ||
1328 priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP ||
1329 priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP ||
1330 priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) {
461b3f2a
JK		 1331 remove_key.size = cpu_to_le32(sizeof(remove_key));
1332 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 1333 if (bssid) {
1334 /* pairwise key */
1335 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
b4703a2e 1336 remove_key.index |=
aa18294a 1337 NDIS_80211_ADDKEY_PAIRWISE_KEY;
461b3f2a
JK		 1338 memcpy(remove_key.bssid, bssid,
1339 sizeof(remove_key.bssid));
bf164cc0 1340 } else
461b3f2a
JK		 1341 memset(remove_key.bssid, 0xff,
1342 sizeof(remove_key.bssid));
bf164cc0
JK		 1343
1344 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1345 sizeof(remove_key));
1346 if (ret != 0)
1347 return ret;
1348 } else {
1349 keyindex = cpu_to_le32(index);
1350 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1351 sizeof(keyindex));
1352 if (ret != 0) {
1353 devwarn(usbdev,
1354 "removing encryption key %d failed (%08X)",
1355 index, ret);
1356 return ret;
1357 }
1358 }
1359
1360 /* if it is transmit key, disable encryption */
1361 if (index == priv->encr_tx_key_index)
1362 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1363
1364 return 0;
1365}
1366
1367
1368static void set_multicast_list(struct usbnet *usbdev)
1369{
582241a0 1370 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1371 struct dev_mc_list *mclist;
1372 __le32 filter;
1373 int ret, i, size;
1374 char *buf;
1375
1376 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1377
1378 if (usbdev->net->flags & IFF_PROMISC) {
1379 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1380 RNDIS_PACKET_TYPE_ALL_LOCAL;
1381 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1382 usbdev->net->mc_count > priv->multicast_size) {
1383 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1384 } else if (usbdev->net->mc_count > 0) {
1385 size = min(priv->multicast_size, usbdev->net->mc_count);
1386 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1387 if (!buf) {
1388 devwarn(usbdev,
1389 "couldn't alloc %d bytes of memory",
1390 size * ETH_ALEN);
1391 return;
1392 }
1393
1394 mclist = usbdev->net->mc_list;
1395 for (i = 0; i < size && mclist; mclist = mclist->next) {
1396 if (mclist->dmi_addrlen != ETH_ALEN)
1397 continue;
1398
1399 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1400 i++;
1401 }
1402
1403 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1404 i * ETH_ALEN);
1405 if (ret == 0 && i > 0)
1406 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1407 else
1408 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1409
1410 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1411 i, priv->multicast_size, ret);
1412
1413 kfree(buf);
1414 }
1415
1416 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1417 sizeof(filter));
1418 if (ret < 0) {
1419 devwarn(usbdev, "couldn't set packet filter: %08x",
1420 le32_to_cpu(filter));
1421 }
1422
1423 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1424 le32_to_cpu(filter), ret);
1425}
1426
1427
964c1d41
JL		 1428/*
1429 * cfg80211 ops
1430 */
e36d56b6
JB		 1431static int rndis_change_virtual_intf(struct wiphy *wiphy,
1432 struct net_device *dev,
964c1d41
JL		 1433 enum nl80211_iftype type, u32 *flags,
1434 struct vif_params *params)
1435{
e36d56b6 1436 struct usbnet *usbdev = netdev_priv(dev);
964c1d41
JL		 1437 int mode;
1438
964c1d41
JL		 1439 switch (type) {
1440 case NL80211_IFTYPE_ADHOC:
aa18294a 1441 mode = NDIS_80211_INFRA_ADHOC;
964c1d41
JL		 1442 break;
1443 case NL80211_IFTYPE_STATION:
aa18294a 1444 mode = NDIS_80211_INFRA_INFRA;
964c1d41
JL		 1445 break;
1446 default:
1447 return -EINVAL;
1448 }
1449
1450 return set_infra_mode(usbdev, mode);
1451}
1452
71a7b26d 1453
d75ec2b7
JK		 1454static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1455{
1456 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1457 struct usbnet *usbdev = priv->usbdev;
1458 int err;
1459
1460 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1461 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1462 if (err < 0)
1463 return err;
1464 }
1465
1466 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1467 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1468 if (err < 0)
1469 return err;
1470 }
1471
1472 return 0;
1473}
1474
1475
222ec50a
JK		 1476static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1477 int dbm)
1478{
1479 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1480 struct usbnet *usbdev = priv->usbdev;
1481
1482 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1483
1484 /* Device doesn't support changing txpower after initialization, only
1485 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1486 * currently used.
1487 */
1488 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1489 if (!priv->radio_on)
1490 disassociate(usbdev, 1); /* turn on radio */
1491
1492 return 0;
1493 }
1494
1495 return -ENOTSUPP;
1496}
1497
1498
1499static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1500{
1501 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1502 struct usbnet *usbdev = priv->usbdev;
1503
1504 *dbm = get_bcm4320_power_dbm(priv);
1505
1506 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1507
1508 return 0;
1509}
1510
1511
71a7b26d
JK		 1512#define SCAN_DELAY_JIFFIES (HZ)
1513static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1514 struct cfg80211_scan_request *request)
1515{
1516 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1517 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d
JK		 1518 int ret;
1519 __le32 tmp;
1520
1521 devdbg(usbdev, "cfg80211.scan");
1522
1523 if (!request)
1524 return -EINVAL;
1525
1526 if (priv->scan_request && priv->scan_request != request)
1527 return -EBUSY;
1528
1529 priv->scan_request = request;
1530
1531 tmp = cpu_to_le32(1);
1532 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1533 sizeof(tmp));
1534 if (ret == 0) {
1535 /* Wait before retrieving scan results from device */
1536 queue_delayed_work(priv->workqueue, &priv->scan_work,
1537 SCAN_DELAY_JIFFIES);
1538 }
1539
1540 return ret;
1541}
1542
1543
1544static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1545 struct ndis_80211_bssid_ex *bssid)
1546{
582241a0 1547 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d
JK		 1548 struct ieee80211_channel *channel;
1549 s32 signal;
1550 u64 timestamp;
1551 u16 capability;
1552 u16 beacon_interval;
1553 struct ndis_80211_fixed_ies *fixed;
1554 int ie_len, bssid_len;
1555 u8 *ie;
1556
1557 /* parse bssid structure */
1558 bssid_len = le32_to_cpu(bssid->length);
1559
1560 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1561 sizeof(struct ndis_80211_fixed_ies))
1562 return NULL;
1563
1564 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1565
1566 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1567 ie_len = min(bssid_len - (int)sizeof(*bssid),
1568 (int)le32_to_cpu(bssid->ie_length));
1569 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1570 if (ie_len < 0)
1571 return NULL;
1572
1573 /* extract data for cfg80211_inform_bss */
1574 channel = ieee80211_get_channel(priv->wdev.wiphy,
1575 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1576 if (!channel)
1577 return NULL;
1578
1579 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1580 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1581 capability = le16_to_cpu(fixed->capabilities);
1582 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1583
1584 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1585 timestamp, capability, beacon_interval, ie, ie_len, signal,
1586 GFP_KERNEL);
1587}
1588
1589
1590static int rndis_check_bssid_list(struct usbnet *usbdev)
1591{
1592 void *buf = NULL;
1593 struct ndis_80211_bssid_list_ex *bssid_list;
1594 struct ndis_80211_bssid_ex *bssid;
1595 int ret = -EINVAL, len, count, bssid_len;
1596
1597 devdbg(usbdev, "check_bssid_list");
1598
1599 len = CONTROL_BUFFER_SIZE;
1600 buf = kmalloc(len, GFP_KERNEL);
1601 if (!buf) {
1602 ret = -ENOMEM;
1603 goto out;
1604 }
1605
1606 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1607 if (ret != 0)
1608 goto out;
1609
1610 bssid_list = buf;
1611 bssid = bssid_list->bssid;
1612 bssid_len = le32_to_cpu(bssid->length);
1613 count = le32_to_cpu(bssid_list->num_items);
1614 devdbg(usbdev, "check_bssid_list: %d BSSIDs found", count);
1615
1616 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1617 rndis_bss_info_update(usbdev, bssid);
1618
1619 bssid = (void *)bssid + bssid_len;
1620 bssid_len = le32_to_cpu(bssid->length);
1621 count--;
1622 }
1623
1624out:
1625 kfree(buf);
1626 return ret;
1627}
1628
1629
1630static void rndis_get_scan_results(struct work_struct *work)
1631{
582241a0
JK		 1632 struct rndis_wlan_private *priv =
1633 container_of(work, struct rndis_wlan_private, scan_work.work);
71a7b26d
JK		 1634 struct usbnet *usbdev = priv->usbdev;
1635 int ret;
1636
1637 devdbg(usbdev, "get_scan_results");
1638
005ba2f1
JK		 1639 if (!priv->scan_request)
1640 return;
1641
71a7b26d
JK		 1642 ret = rndis_check_bssid_list(usbdev);
1643
1644 cfg80211_scan_done(priv->scan_request, ret < 0);
1645
1646 priv->scan_request = NULL;
1647}
1648
1649
bf164cc0
JK		 1650/*
1651 * wireless extension handlers
1652 */
1653
1654static int rndis_iw_commit(struct net_device *dev,
1655 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1656{
1657 /* dummy op */
1658 return 0;
1659}
1660
1661
bf164cc0
JK		 1662static int rndis_iw_set_essid(struct net_device *dev,
1663 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1664{
1e41e1d2 1665 struct ndis_80211_ssid ssid;
bf164cc0 1666 int length = wrqu->essid.length;
524ad0a7 1667 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1668
1669 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1670 wrqu->essid.flags, wrqu->essid.length, essid);
1671
1672 if (length > NDIS_802_11_LENGTH_SSID)
1673 length = NDIS_802_11_LENGTH_SSID;
1674
461b3f2a 1675 ssid.length = cpu_to_le32(length);
bf164cc0 1676 if (length > 0)
461b3f2a 1677 memcpy(ssid.essid, essid, length);
bf164cc0 1678 else
461b3f2a 1679 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
bf164cc0
JK		 1680
1681 set_assoc_params(usbdev);
1682
1683 if (!wrqu->essid.flags || length == 0)
1684 return disassociate(usbdev, 1);
1685 else
1686 return set_essid(usbdev, &ssid);
1687}
1688
1689
1690static int rndis_iw_get_essid(struct net_device *dev,
1691 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1692{
1e41e1d2 1693 struct ndis_80211_ssid ssid;
524ad0a7 1694 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1695 int ret;
1696
1697 ret = get_essid(usbdev, &ssid);
1698
461b3f2a 1699 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
bf164cc0 1700 wrqu->essid.flags = 1;
461b3f2a
JK		 1701 wrqu->essid.length = le32_to_cpu(ssid.length);
1702 memcpy(essid, ssid.essid, wrqu->essid.length);
bf164cc0
JK		 1703 essid[wrqu->essid.length] = 0;
1704 } else {
1705 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1706 wrqu->essid.flags = 0;
1707 wrqu->essid.length = 0;
1708 }
1709 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1710 return ret;
1711}
1712
1713
1714static int rndis_iw_get_bssid(struct net_device *dev,
1715 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1716{
524ad0a7 1717 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1718 unsigned char bssid[ETH_ALEN];
1719 int ret;
bf164cc0
JK		 1720
1721 ret = get_bssid(usbdev, bssid);
1722
1723 if (ret == 0)
e174961c 1724 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
bf164cc0
JK		 1725 else
1726 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1727
1728 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1729 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1730
1731 return ret;
1732}
1733
1734
1735static int rndis_iw_set_bssid(struct net_device *dev,
1736 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1737{
524ad0a7 1738 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0 1739 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
bf164cc0
JK		 1740 int ret;
1741
e174961c 1742 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
bf164cc0
JK		 1743
1744 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1745
1746 /* user apps may set ap's mac address, which is not required;
1747 * they may fail to work if this function fails, so return
1748 * success */
1749 if (ret)
1750 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1751
1752 return 0;
1753}
1754
1755
1756static int rndis_iw_set_auth(struct net_device *dev,
1757 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1758{
1759 struct iw_param *p = &wrqu->param;
524ad0a7 1760 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1761 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1762 int ret = -ENOTSUPP;
1763
1764 switch (p->flags & IW_AUTH_INDEX) {
1765 case IW_AUTH_WPA_VERSION:
1766 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1767 priv->wpa_version = p->value;
1768 ret = 0;
1769 break;
1770
1771 case IW_AUTH_CIPHER_PAIRWISE:
1772 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1773 priv->wpa_cipher_pair = p->value;
1774 ret = 0;
1775 break;
1776
1777 case IW_AUTH_CIPHER_GROUP:
1778 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1779 priv->wpa_cipher_group = p->value;
1780 ret = 0;
1781 break;
1782
1783 case IW_AUTH_KEY_MGMT:
1784 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1785 priv->wpa_keymgmt = p->value;
1786 ret = 0;
1787 break;
1788
1789 case IW_AUTH_TKIP_COUNTERMEASURES:
1790 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1791 p->value);
1792 ret = 0;
1793 break;
1794
1795 case IW_AUTH_DROP_UNENCRYPTED:
1796 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1797 ret = 0;
1798 break;
1799
1800 case IW_AUTH_80211_AUTH_ALG:
1801 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1802 priv->wpa_authalg = p->value;
1803 ret = 0;
1804 break;
1805
1806 case IW_AUTH_WPA_ENABLED:
1807 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1808 if (wrqu->param.value)
1809 deauthenticate(usbdev);
1810 ret = 0;
1811 break;
1812
1813 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1814 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1815 p->value);
1816 ret = 0;
1817 break;
1818
1819 case IW_AUTH_ROAMING_CONTROL:
1820 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1821 ret = 0;
1822 break;
1823
1824 case IW_AUTH_PRIVACY_INVOKED:
1825 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1826 wrqu->param.flags & IW_AUTH_INDEX);
1827 return -EOPNOTSUPP;
1828
1829 default:
1830 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1831 p->flags & IW_AUTH_INDEX, p->value);
1832 }
1833 return ret;
1834}
1835
1836
1837static int rndis_iw_get_auth(struct net_device *dev,
1838 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1839{
1840 struct iw_param *p = &wrqu->param;
524ad0a7 1841 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1842 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1843
1844 switch (p->flags & IW_AUTH_INDEX) {
1845 case IW_AUTH_WPA_VERSION:
1846 p->value = priv->wpa_version;
1847 break;
1848 case IW_AUTH_CIPHER_PAIRWISE:
1849 p->value = priv->wpa_cipher_pair;
1850 break;
1851 case IW_AUTH_CIPHER_GROUP:
1852 p->value = priv->wpa_cipher_group;
1853 break;
1854 case IW_AUTH_KEY_MGMT:
1855 p->value = priv->wpa_keymgmt;
1856 break;
1857 case IW_AUTH_80211_AUTH_ALG:
1858 p->value = priv->wpa_authalg;
1859 break;
1860 default:
1861 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1862 wrqu->param.flags & IW_AUTH_INDEX);
1863 return -EOPNOTSUPP;
1864 }
1865 return 0;
1866}
1867
1868
bf164cc0
JK		 1869static int rndis_iw_set_encode(struct net_device *dev,
1870 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1871{
524ad0a7 1872 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1873 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1874 int ret, index, key_len;
1875 u8 *key;
1876
1877 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1878
1879 /* iwconfig gives index as 1 - N */
1880 if (index > 0)
1881 index--;
1882 else
1883 index = priv->encr_tx_key_index;
1884
1885 if (index < 0 || index >= 4) {
1886 devwarn(usbdev, "encryption index out of range (%u)", index);
1887 return -EINVAL;
1888 }
1889
1890 /* remove key if disabled */
1891 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
1892 if (remove_key(usbdev, index, NULL))
1893 return -EINVAL;
1894 else
1895 return 0;
1896 }
1897
1898 /* global encryption state (for all keys) */
1899 if (wrqu->data.flags & IW_ENCODE_OPEN)
1900 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1901 IW_AUTH_ALG_OPEN_SYSTEM);
1902 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
1903 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1904 IW_AUTH_ALG_SHARED_KEY);
1905 if (ret != 0)
1906 return ret;
1907
1908 if (wrqu->data.length > 0) {
1909 key_len = wrqu->data.length;
1910 key = extra;
1911 } else {
1912 /* must be set as tx key */
1913 if (priv->encr_key_len[index] == 0)
1914 return -EINVAL;
1915 key_len = priv->encr_key_len[index];
1916 key = priv->encr_keys[index];
1917 priv->encr_tx_key_index = index;
1918 }
1919
1920 if (add_wep_key(usbdev, key, key_len, index) != 0)
1921 return -EINVAL;
1922
1923 if (index == priv->encr_tx_key_index)
1924 /* ndis drivers want essid to be set after setting encr */
1925 set_essid(usbdev, &priv->essid);
1926
1927 return 0;
1928}
1929
1930
1931static int rndis_iw_set_encode_ext(struct net_device *dev,
1932 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1933{
1934 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
524ad0a7 1935 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1936 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b145ee0c 1937 int keyidx, flags;
bf164cc0
JK		 1938
1939 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
1940
1941 /* iwconfig gives index as 1 - N */
1942 if (keyidx)
1943 keyidx--;
1944 else
1945 keyidx = priv->encr_tx_key_index;
1946
1947 if (keyidx < 0 || keyidx >= 4)
1948 return -EINVAL;
1949
1950 if (ext->alg == WPA_ALG_WEP) {
1951 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1952 priv->encr_tx_key_index = keyidx;
1953 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
1954 }
1955
1956 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
1957 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
1958 return remove_key(usbdev, keyidx, NULL);
1959
b145ee0c
JK		 1960 flags = 0;
1961 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
aa18294a 1962 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
b145ee0c 1963 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
aa18294a 1964 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
bf164cc0 1965 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
aa18294a 1966 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
bf164cc0 1967
b145ee0c
JK		 1968 return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx, &ext->addr,
1969 ext->rx_seq, ext->alg, flags);
bf164cc0
JK		 1970}
1971
1972
bf164cc0
JK		 1973static int rndis_iw_set_genie(struct net_device *dev,
1974 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1975{
524ad0a7 1976 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1977 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1978 int ret = 0;
1979
1980#ifdef DEBUG
1981 int j;
1982 u8 *gie = extra;
1983 for (j = 0; j < wrqu->data.length; j += 8)
1984 devdbg(usbdev,
1985 "SIOCSIWGENIE %04x - "
1986 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
1987 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
1988 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
1989#endif
1990 /* clear existing IEs */
1991 if (priv->wpa_ie_len) {
1992 kfree(priv->wpa_ie);
1993 priv->wpa_ie_len = 0;
1994 }
1995
1996 /* set new IEs */
1997 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
1998 if (priv->wpa_ie) {
1999 priv->wpa_ie_len = wrqu->data.length;
2000 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
2001 } else
2002 ret = -ENOMEM;
2003 return ret;
2004}
2005
2006
2007static int rndis_iw_get_genie(struct net_device *dev,
2008 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2009{
524ad0a7 2010 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2011 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2012
2013 devdbg(usbdev, "SIOCGIWGENIE");
2014
2015 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
2016 wrqu->data.length = 0;
2017 return 0;
2018 }
2019
2020 if (wrqu->data.length < priv->wpa_ie_len)
2021 return -E2BIG;
2022
2023 wrqu->data.length = priv->wpa_ie_len;
2024 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
2025
2026 return 0;
2027}
2028
2029
bf164cc0
JK		 2030static int rndis_iw_set_freq(struct net_device *dev,
2031 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2032{
524ad0a7 2033 struct usbnet *usbdev = netdev_priv(dev);
1e41e1d2 2034 struct ndis_80211_conf config;
bf164cc0
JK		 2035 unsigned int dsconfig;
2036 int len, ret;
2037
2038 /* this OID is valid only when not associated */
2039 if (is_associated(usbdev))
2040 return 0;
2041
2042 dsconfig = 0;
2043 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
2044 return -EINVAL;
2045
2046 len = sizeof(config);
2047 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2048 if (ret != 0) {
2049 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
2050 return 0;
2051 }
2052
461b3f2a 2053 config.ds_config = cpu_to_le32(dsconfig);
bf164cc0
JK		 2054
2055 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
2056 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
2057 sizeof(config));
2058}
2059
2060
2061static int rndis_iw_get_freq(struct net_device *dev,
2062 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2063{
524ad0a7 2064 struct usbnet *usbdev = netdev_priv(dev);
1e41e1d2 2065 struct ndis_80211_conf config;
bf164cc0
JK		 2066 int len, ret;
2067
2068 len = sizeof(config);
2069 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2070 if (ret == 0)
461b3f2a 2071 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
bf164cc0
JK		 2072
2073 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
2074 return ret;
2075}
2076
2077
bf164cc0
JK		 2078static int rndis_iw_get_rate(struct net_device *dev,
2079 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2080{
524ad0a7 2081 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 2082 __le32 tmp;
2083 int ret, len;
2084
2085 len = sizeof(tmp);
2086 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2087 if (ret == 0) {
2088 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2089 wrqu->bitrate.disabled = 0;
2090 wrqu->bitrate.flags = 1;
2091 }
2092 return ret;
2093}
2094
2095
2096static int rndis_iw_set_mlme(struct net_device *dev,
2097 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2098{
524ad0a7 2099 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2100 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2101 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2102 unsigned char bssid[ETH_ALEN];
2103
2104 get_bssid(usbdev, bssid);
2105
2106 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2107 return -EINVAL;
2108
2109 switch (mlme->cmd) {
2110 case IW_MLME_DEAUTH:
2111 return deauthenticate(usbdev);
2112 case IW_MLME_DISASSOC:
2113 return disassociate(usbdev, priv->radio_on);
2114 default:
2115 return -EOPNOTSUPP;
2116 }
2117
2118 return 0;
2119}
2120
2121
2122static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2123{
524ad0a7 2124 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2125 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2126 unsigned long flags;
2127
2128 spin_lock_irqsave(&priv->stats_lock, flags);
2129 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2130 spin_unlock_irqrestore(&priv->stats_lock, flags);
2131
2132 return &priv->iwstats;
2133}
2134
2135
2136#define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2137static const iw_handler rndis_iw_handler[] =
2138{
2139 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
5c8fa4f7 2140 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
bf164cc0
JK		 2141 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2142 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
964c1d41
JL		 2143 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2144 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
4d2a369e 2145 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
bf164cc0
JK		 2146 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2147 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
71a7b26d
JK		 2148 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2149 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
bf164cc0
JK		 2150 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2151 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
bf164cc0 2152 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
d75ec2b7
JK		 2153 IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
2154 IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
2155 IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
2156 IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
222ec50a
JK		 2157 IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
2158 IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
bf164cc0
JK		 2159 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2160 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2161 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2162 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2163 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2164 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2165 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2166};
2167
582241a0 2168static const iw_handler rndis_wlan_private_handler[] = {
bf164cc0
JK		 2169};
2170
582241a0 2171static const struct iw_priv_args rndis_wlan_private_args[] = {
bf164cc0
JK		 2172};
2173
2174
2175static const struct iw_handler_def rndis_iw_handlers = {
2176 .num_standard = ARRAY_SIZE(rndis_iw_handler),
582241a0
JK		 2177 .num_private = ARRAY_SIZE(rndis_wlan_private_handler),
2178 .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
bf164cc0 2179 .standard = (iw_handler *)rndis_iw_handler,
582241a0
JK		 2180 .private = (iw_handler *)rndis_wlan_private_handler,
2181 .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
bf164cc0
JK		 2182 .get_wireless_stats = rndis_get_wireless_stats,
2183};
2184
2185
582241a0 2186static void rndis_wlan_worker(struct work_struct *work)
bf164cc0 2187{
582241a0
JK		 2188 struct rndis_wlan_private *priv =
2189 container_of(work, struct rndis_wlan_private, work);
bf164cc0
JK		 2190 struct usbnet *usbdev = priv->usbdev;
2191 union iwreq_data evt;
2192 unsigned char bssid[ETH_ALEN];
4364623c
SA		 2193 struct ndis_80211_assoc_info *info;
2194 int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
2195 int ret, offset;
bf164cc0 2196
6010ce07 2197 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
5331b96c
JK		 2198 netif_carrier_on(usbdev->net);
2199
4364623c
SA		 2200 info = kzalloc(assoc_size, GFP_KERNEL);
2201 if (!info)
2202 goto get_bssid;
bf164cc0 2203
4364623c
SA		 2204 /* Get association info IEs from device and send them back to
2205 * userspace. */
2206 ret = get_association_info(usbdev, info, assoc_size);
2207 if (!ret) {
2208 evt.data.length = le32_to_cpu(info->req_ie_length);
2209 if (evt.data.length > 0) {
2210 offset = le32_to_cpu(info->offset_req_ies);
2211 wireless_send_event(usbdev->net,
2212 IWEVASSOCREQIE, &evt,
2213 (char *)info + offset);
2214 }
2215
2216 evt.data.length = le32_to_cpu(info->resp_ie_length);
2217 if (evt.data.length > 0) {
2218 offset = le32_to_cpu(info->offset_resp_ies);
2219 wireless_send_event(usbdev->net,
2220 IWEVASSOCRESPIE, &evt,
2221 (char *)info + offset);
2222 }
2223 }
2224
2225 kfree(info);
bf164cc0 2226
4364623c
SA		 2227get_bssid:
2228 ret = get_bssid(usbdev, bssid);
bf164cc0
JK		 2229 if (!ret) {
2230 evt.data.flags = 0;
2231 evt.data.length = 0;
2232 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2233 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2234 }
2235 }
2236
6010ce07 2237 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
5331b96c
JK		 2238 netif_carrier_off(usbdev->net);
2239
6010ce07
JK		 2240 evt.data.flags = 0;
2241 evt.data.length = 0;
2242 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2243 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2244 }
2245
bf164cc0
JK		 2246 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2247 set_multicast_list(usbdev);
2248}
2249
582241a0 2250static void rndis_wlan_set_multicast_list(struct net_device *dev)
bf164cc0 2251{
524ad0a7 2252 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2253 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2254
a67edb9e
JK		 2255 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2256 return;
2257
bf164cc0
JK		 2258 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2259 queue_work(priv->workqueue, &priv->work);
2260}
2261
030645ac
JK		 2262
2263static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2264 struct ndis_80211_status_indication *indication,
2265 int len)
2266{
2267 u8 *buf;
2268 const char *type;
2269 int flags, buflen;
2270 bool pairwise_error, group_error;
2271 struct ndis_80211_auth_request *auth_req;
2272
2273 /* must have at least one array entry */
2274 if (len < offsetof(struct ndis_80211_status_indication, u) +
2275 sizeof(struct ndis_80211_auth_request)) {
2276 devinfo(usbdev, "authentication indication: "
2277 "too short message (%i)", len);
2278 return;
2279 }
2280
2281 buf = (void *)&indication->u.auth_request[0];
2282 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2283
2284 while (buflen >= sizeof(*auth_req)) {
2285 auth_req = (void *)buf;
2286 type = "unknown";
2287 flags = le32_to_cpu(auth_req->flags);
2288 pairwise_error = false;
2289 group_error = false;
2290
2291 if (flags & 0x1)
2292 type = "reauth request";
2293 if (flags & 0x2)
2294 type = "key update request";
2295 if (flags & 0x6) {
2296 pairwise_error = true;
2297 type = "pairwise_error";
2298 }
2299 if (flags & 0xe) {
2300 group_error = true;
2301 type = "group_error";
2302 }
2303
2304 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2305 le32_to_cpu(auth_req->flags));
2306
2307 if (pairwise_error || group_error) {
2308 union iwreq_data wrqu;
2309 struct iw_michaelmicfailure micfailure;
2310
2311 memset(&micfailure, 0, sizeof(micfailure));
2312 if (pairwise_error)
2313 micfailure.flags |= IW_MICFAILURE_PAIRWISE;
2314 if (group_error)
2315 micfailure.flags |= IW_MICFAILURE_GROUP;
2316
2317 memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
2318 ETH_ALEN);
2319
2320 memset(&wrqu, 0, sizeof(wrqu));
2321 wrqu.data.length = sizeof(micfailure);
2322 wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
2323 &wrqu, (u8 *)&micfailure);
2324 }
2325
2326 buflen -= le32_to_cpu(auth_req->length);
2327 buf += le32_to_cpu(auth_req->length);
2328 }
2329}
2330
2331static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2332 struct ndis_80211_status_indication *indication,
2333 int len)
2334{
2335 struct ndis_80211_pmkid_cand_list *cand_list;
2336 int list_len, expected_len, i;
2337
2338 if (len < offsetof(struct ndis_80211_status_indication, u) +
2339 sizeof(struct ndis_80211_pmkid_cand_list)) {
2340 devinfo(usbdev, "pmkid candidate list indication: "
2341 "too short message (%i)", len);
2342 return;
2343 }
2344
2345 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2346 sizeof(struct ndis_80211_pmkid_candidate);
2347 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2348 offsetof(struct ndis_80211_status_indication, u);
2349
2350 if (len < expected_len) {
2351 devinfo(usbdev, "pmkid candidate list indication: "
2352 "list larger than buffer (%i < %i)",
2353 len, expected_len);
2354 return;
2355 }
2356
2357 cand_list = &indication->u.cand_list;
2358
2359 devinfo(usbdev, "pmkid candidate list indication: "
2360 "version %i, candidates %i",
2361 le32_to_cpu(cand_list->version),
2362 le32_to_cpu(cand_list->num_candidates));
2363
2364 if (le32_to_cpu(cand_list->version) != 1)
2365 return;
2366
2367 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2368 struct iw_pmkid_cand pcand;
2369 union iwreq_data wrqu;
2370 struct ndis_80211_pmkid_candidate *cand =
2371 &cand_list->candidate_list[i];
2372
2373 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2374 i, le32_to_cpu(cand->flags), cand->bssid);
2375
2376 memset(&pcand, 0, sizeof(pcand));
2377 if (le32_to_cpu(cand->flags) & 0x01)
2378 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2379 pcand.index = i;
2380 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2381
2382 memset(&wrqu, 0, sizeof(wrqu));
2383 wrqu.data.length = sizeof(pcand);
2384 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2385 (u8 *)&pcand);
2386 }
2387}
2388
2389static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2390 struct rndis_indicate *msg, int buflen)
2391{
2392 struct ndis_80211_status_indication *indication;
2393 int len, offset;
2394
2395 offset = offsetof(struct rndis_indicate, status) +
2396 le32_to_cpu(msg->offset);
2397 len = le32_to_cpu(msg->length);
2398
2399 if (len < 8) {
2400 devinfo(usbdev, "media specific indication, "
2401 "ignore too short message (%i < 8)", len);
2402 return;
2403 }
2404
2405 if (offset + len > buflen) {
2406 devinfo(usbdev, "media specific indication, "
2407 "too large to fit to buffer (%i > %i)",
2408 offset + len, buflen);
2409 return;
2410 }
2411
2412 indication = (void *)((u8 *)msg + offset);
2413
2414 switch (le32_to_cpu(indication->status_type)) {
2415 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2416 devinfo(usbdev, "radio state indication: %i",
2417 le32_to_cpu(indication->u.radio_status));
2418 return;
2419
2420 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2421 devinfo(usbdev, "media stream mode indication: %i",
2422 le32_to_cpu(indication->u.media_stream_mode));
2423 return;
2424
2425 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2426 rndis_wlan_auth_indication(usbdev, indication, len);
2427 return;
2428
2429 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2430 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2431 return;
2432
2433 default:
2434 devinfo(usbdev, "media specific indication: "
2435 "unknown status type 0x%08x",
2436 le32_to_cpu(indication->status_type));
2437 }
2438}
2439
2440
2a4901bc 2441static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
bf164cc0 2442{
582241a0 2443 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2a4901bc 2444 struct rndis_indicate *msg = ind;
bf164cc0 2445
2a4901bc
JK		 2446 switch (msg->status) {
2447 case RNDIS_STATUS_MEDIA_CONNECT:
2448 devinfo(usbdev, "media connect");
2449
030645ac 2450 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 2451 set_bit(WORK_LINK_UP, &priv->work_pending);
2452 queue_work(priv->workqueue, &priv->work);
2453 break;
2454
2455 case RNDIS_STATUS_MEDIA_DISCONNECT:
2456 devinfo(usbdev, "media disconnect");
2457
030645ac 2458 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 2459 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2460 queue_work(priv->workqueue, &priv->work);
2461 break;
2462
030645ac
JK		 2463 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2464 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2465 break;
2466
2a4901bc
JK		 2467 default:
2468 devinfo(usbdev, "indication: 0x%08x",
2469 le32_to_cpu(msg->status));
2470 break;
2471 }
bf164cc0
JK		 2472}
2473
2474
582241a0 2475static int rndis_wlan_get_caps(struct usbnet *usbdev)
bf164cc0
JK		 2476{
2477 struct {
2478 __le32 num_items;
2479 __le32 items[8];
2480 } networks_supported;
2481 int len, retval, i, n;
582241a0 2482 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2483
bf164cc0
JK		 2484 /* determine supported modes */
2485 len = sizeof(networks_supported);
a19d7292 2486 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
bf164cc0
JK		 2487 &networks_supported, &len);
2488 if (retval >= 0) {
2489 n = le32_to_cpu(networks_supported.num_items);
2490 if (n > 8)
2491 n = 8;
2492 for (i = 0; i < n; i++) {
2493 switch (le32_to_cpu(networks_supported.items[i])) {
aa18294a
JK		 2494 case NDIS_80211_TYPE_FREQ_HOP:
2495 case NDIS_80211_TYPE_DIRECT_SEQ:
bf164cc0
JK		 2496 priv->caps |= CAP_MODE_80211B;
2497 break;
aa18294a 2498 case NDIS_80211_TYPE_OFDM_A:
bf164cc0
JK		 2499 priv->caps |= CAP_MODE_80211A;
2500 break;
aa18294a 2501 case NDIS_80211_TYPE_OFDM_G:
bf164cc0
JK		 2502 priv->caps |= CAP_MODE_80211G;
2503 break;
2504 }
2505 }
bf164cc0
JK		 2506 }
2507
2508 return retval;
2509}
2510
2511
2512#define STATS_UPDATE_JIFFIES (HZ)
2513static void rndis_update_wireless_stats(struct work_struct *work)
2514{
582241a0
JK		 2515 struct rndis_wlan_private *priv =
2516 container_of(work, struct rndis_wlan_private, stats_work.work);
bf164cc0
JK		 2517 struct usbnet *usbdev = priv->usbdev;
2518 struct iw_statistics iwstats;
2519 __le32 rssi, tmp;
a97b1f3d 2520 int len, ret, j;
bf164cc0
JK		 2521 unsigned long flags;
2522 int update_jiffies = STATS_UPDATE_JIFFIES;
2523 void *buf;
2524
2525 spin_lock_irqsave(&priv->stats_lock, flags);
2526 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2527 spin_unlock_irqrestore(&priv->stats_lock, flags);
2528
2529 /* only update stats when connected */
2530 if (!is_associated(usbdev)) {
2531 iwstats.qual.qual = 0;
2532 iwstats.qual.level = 0;
2533 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2534 | IW_QUAL_LEVEL_UPDATED
2535 | IW_QUAL_NOISE_INVALID
2536 | IW_QUAL_QUAL_INVALID
2537 | IW_QUAL_LEVEL_INVALID;
2538 goto end;
2539 }
2540
2541 len = sizeof(rssi);
2542 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2543
2544 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2545 le32_to_cpu(rssi));
2546 if (ret == 0) {
2547 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2548 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
4bd7f03e 2549 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
bf164cc0
JK		 2550 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2551 | IW_QUAL_LEVEL_UPDATED
2552 | IW_QUAL_NOISE_INVALID;
2553 }
2554
2555 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2556
2557 len = sizeof(tmp);
2558 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2559 if (ret == 0)
2560 iwstats.discard.misc += le32_to_cpu(tmp);
2561
2562 len = sizeof(tmp);
2563 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2564 if (ret == 0)
2565 iwstats.discard.misc += le32_to_cpu(tmp);
2566
2567 len = sizeof(tmp);
2568 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2569 if (ret == 0)
2570 iwstats.discard.misc += le32_to_cpu(tmp);
2571
a97b1f3d
JK		 2572 /* Workaround transfer stalls on poor quality links.
2573 * TODO: find right way to fix these stalls (as stalls do not happen
2574 * with ndiswrapper/windows driver). */
2575 if (iwstats.qual.qual <= 25) {
bf164cc0
JK		 2576 /* Decrease stats worker interval to catch stalls.
2577 * faster. Faster than 400-500ms causes packet loss,
2578 * Slower doesn't catch stalls fast enough.
2579 */
2580 j = msecs_to_jiffies(priv->param_workaround_interval);
2581 if (j > STATS_UPDATE_JIFFIES)
2582 j = STATS_UPDATE_JIFFIES;
2583 else if (j <= 0)
2584 j = 1;
2585 update_jiffies = j;
2586
2587 /* Send scan OID. Use of both OIDs is required to get device
2588 * working.
2589 */
35c26c2c 2590 tmp = cpu_to_le32(1);
bf164cc0
JK		 2591 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2592 sizeof(tmp));
2593
2594 len = CONTROL_BUFFER_SIZE;
2595 buf = kmalloc(len, GFP_KERNEL);
2596 if (!buf)
2597 goto end;
2598
2599 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2600 kfree(buf);
2601 }
2602end:
2603 spin_lock_irqsave(&priv->stats_lock, flags);
2604 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2605 spin_unlock_irqrestore(&priv->stats_lock, flags);
2606
2607 if (update_jiffies >= HZ)
2608 update_jiffies = round_jiffies_relative(update_jiffies);
2609 else {
2610 j = round_jiffies_relative(update_jiffies);
2611 if (abs(j - update_jiffies) <= 10)
2612 update_jiffies = j;
2613 }
2614
2615 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2616}
2617
2618
59620e9f
JK		 2619static int bcm4320a_early_init(struct usbnet *usbdev)
2620{
2621 /* bcm4320a doesn't handle configuration parameters well. Try
2622 * set any and you get partially zeroed mac and broken device.
2623 */
2624
2625 return 0;
2626}
2627
2628
2629static int bcm4320b_early_init(struct usbnet *usbdev)
bf164cc0 2630{
582241a0 2631 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2632 char buf[8];
2633
2634 /* Early initialization settings, setting these won't have effect
2635 * if called after generic_rndis_bind().
2636 */
2637
2638 priv->param_country[0] = modparam_country[0];
2639 priv->param_country[1] = modparam_country[1];
2640 priv->param_country[2] = 0;
2641 priv->param_frameburst = modparam_frameburst;
2642 priv->param_afterburner = modparam_afterburner;
2643 priv->param_power_save = modparam_power_save;
2644 priv->param_power_output = modparam_power_output;
2645 priv->param_roamtrigger = modparam_roamtrigger;
2646 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 2647
2648 priv->param_country[0] = toupper(priv->param_country[0]);
2649 priv->param_country[1] = toupper(priv->param_country[1]);
2650 /* doesn't support EU as country code, use FI instead */
2651 if (!strcmp(priv->param_country, "EU"))
2652 strcpy(priv->param_country, "FI");
2653
2654 if (priv->param_power_save < 0)
2655 priv->param_power_save = 0;
2656 else if (priv->param_power_save > 2)
2657 priv->param_power_save = 2;
2658
a7624837
JK		 2659 if (priv->param_power_output < 0)
2660 priv->param_power_output = 0;
2661 else if (priv->param_power_output > 3)
2662 priv->param_power_output = 3;
2663
bf164cc0
JK		 2664 if (priv->param_roamtrigger < -80)
2665 priv->param_roamtrigger = -80;
2666 else if (priv->param_roamtrigger > -60)
2667 priv->param_roamtrigger = -60;
2668
2669 if (priv->param_roamdelta < 0)
2670 priv->param_roamdelta = 0;
2671 else if (priv->param_roamdelta > 2)
2672 priv->param_roamdelta = 2;
2673
4d381ffb 2674 if (modparam_workaround_interval < 0)
bf164cc0 2675 priv->param_workaround_interval = 500;
4d381ffb
RK		 2676 else
2677 priv->param_workaround_interval = modparam_workaround_interval;
bf164cc0 2678
a19d7292
JK		 2679 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2680 rndis_set_config_parameter_str(usbdev, "FrameBursting",
bf164cc0 2681 priv->param_frameburst ? "1" : "0");
a19d7292 2682 rndis_set_config_parameter_str(usbdev, "Afterburner",
bf164cc0
JK		 2683 priv->param_afterburner ? "1" : "0");
2684 sprintf(buf, "%d", priv->param_power_save);
a19d7292 2685 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
bf164cc0 2686 sprintf(buf, "%d", priv->param_power_output);
a19d7292 2687 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
bf164cc0 2688 sprintf(buf, "%d", priv->param_roamtrigger);
a19d7292 2689 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
bf164cc0 2690 sprintf(buf, "%d", priv->param_roamdelta);
a19d7292 2691 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
bf164cc0
JK		 2692
2693 return 0;
2694}
2695
23d12e2b 2696/* same as rndis_netdev_ops but with local multicast handler */
582241a0 2697static const struct net_device_ops rndis_wlan_netdev_ops = {
23d12e2b
DM		 2698 .ndo_open = usbnet_open,
2699 .ndo_stop = usbnet_stop,
2700 .ndo_start_xmit = usbnet_start_xmit,
2701 .ndo_tx_timeout = usbnet_tx_timeout,
2702 .ndo_set_mac_address = eth_mac_addr,
2703 .ndo_validate_addr = eth_validate_addr,
582241a0 2704 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
23d12e2b
DM		 2705};
2706
bf164cc0 2707
582241a0 2708static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 2709{
5c8fa4f7 2710 struct wiphy *wiphy;
582241a0 2711 struct rndis_wlan_private *priv;
bf164cc0
JK		 2712 int retval, len;
2713 __le32 tmp;
2714
5c8fa4f7
JL		 2715 /* allocate wiphy and rndis private data
2716 * NOTE: We only support a single virtual interface, so wiphy
2717 * and wireless_dev are somewhat synonymous for this device.
2718 */
582241a0 2719 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
5c8fa4f7 2720 if (!wiphy)
bf164cc0
JK		 2721 return -ENOMEM;
2722
5c8fa4f7
JL		 2723 priv = wiphy_priv(wiphy);
2724 usbdev->net->ieee80211_ptr = &priv->wdev;
2725 priv->wdev.wiphy = wiphy;
2726 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2727
bf164cc0 2728 /* These have to be initialized before calling generic_rndis_bind().
582241a0 2729 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
bf164cc0 2730 */
a19d7292 2731 usbdev->driver_priv = priv;
a19d7292
JK		 2732 usbdev->net->wireless_handlers = &rndis_iw_handlers;
2733 priv->usbdev = usbdev;
bf164cc0
JK		 2734
2735 mutex_init(&priv->command_lock);
2736 spin_lock_init(&priv->stats_lock);
2737
8d4d99ae
JK		 2738 /* because rndis_command() sleeps we need to use workqueue */
2739 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
582241a0 2740 INIT_WORK(&priv->work, rndis_wlan_worker);
8d4d99ae
JK		 2741 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2742 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2743
bf164cc0 2744 /* try bind rndis_host */
a19d7292 2745 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
bf164cc0
JK		 2746 if (retval < 0)
2747 goto fail;
2748
2749 /* generic_rndis_bind set packet filter to multicast_all+
2750 * promisc mode which doesn't work well for our devices (device
2751 * picks up rssi to closest station instead of to access point).
2752 *
2753 * rndis_host wants to avoid all OID as much as possible
582241a0 2754 * so do promisc/multicast handling in rndis_wlan.
bf164cc0 2755 */
582241a0 2756 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
23d12e2b 2757
bf164cc0 2758 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
a19d7292 2759 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
bf164cc0
JK		 2760 sizeof(tmp));
2761
2762 len = sizeof(tmp);
a19d7292
JK		 2763 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2764 &len);
bf164cc0
JK		 2765 priv->multicast_size = le32_to_cpu(tmp);
2766 if (retval < 0 || priv->multicast_size < 0)
2767 priv->multicast_size = 0;
2768 if (priv->multicast_size > 0)
a19d7292 2769 usbdev->net->flags |= IFF_MULTICAST;
bf164cc0 2770 else
a19d7292 2771 usbdev->net->flags &= ~IFF_MULTICAST;
bf164cc0
JK		 2772
2773 priv->iwstats.qual.qual = 0;
2774 priv->iwstats.qual.level = 0;
2775 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2776 | IW_QUAL_LEVEL_UPDATED
2777 | IW_QUAL_NOISE_INVALID
2778 | IW_QUAL_QUAL_INVALID
2779 | IW_QUAL_LEVEL_INVALID;
2780
5c8fa4f7
JL		 2781 /* fill-out wiphy structure and register w/ cfg80211 */
2782 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2783 wiphy->privid = rndis_wiphy_privid;
2784 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2785 | BIT(NL80211_IFTYPE_ADHOC);
2786 wiphy->max_scan_ssids = 1;
2787
2788 /* TODO: fill-out band information based on priv->caps */
582241a0 2789 rndis_wlan_get_caps(usbdev);
5c8fa4f7
JL		 2790
2791 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2792 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2793 priv->band.channels = priv->channels;
2794 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2795 priv->band.bitrates = priv->rates;
2796 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2797 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
4d2a369e 2798 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
5c8fa4f7
JL		 2799
2800 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2801
2802 if (wiphy_register(wiphy)) {
eb1a685e
JK		 2803 retval = -ENODEV;
2804 goto fail;
5c8fa4f7
JL		 2805 }
2806
a19d7292 2807 set_default_iw_params(usbdev);
bf164cc0 2808
d75ec2b7
JK		 2809 /* set default rts/frag */
2810 rndis_set_wiphy_params(wiphy,
2811 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2812
bf164cc0
JK		 2813 /* turn radio on */
2814 priv->radio_on = 1;
a19d7292
JK		 2815 disassociate(usbdev, 1);
2816 netif_carrier_off(usbdev->net);
bf164cc0 2817
bf164cc0
JK		 2818 return 0;
2819
2820fail:
8d4d99ae
JK		 2821 cancel_delayed_work_sync(&priv->stats_work);
2822 cancel_delayed_work_sync(&priv->scan_work);
2823 cancel_work_sync(&priv->work);
2824 flush_workqueue(priv->workqueue);
2825 destroy_workqueue(priv->workqueue);
2826
eb1a685e 2827 wiphy_free(wiphy);
bf164cc0
JK		 2828 return retval;
2829}
2830
2831
582241a0 2832static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 2833{
582241a0 2834 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2835
2836 /* turn radio off */
a19d7292 2837 disassociate(usbdev, 0);
bf164cc0
JK		 2838
2839 cancel_delayed_work_sync(&priv->stats_work);
71a7b26d 2840 cancel_delayed_work_sync(&priv->scan_work);
bf164cc0
JK		 2841 cancel_work_sync(&priv->work);
2842 flush_workqueue(priv->workqueue);
2843 destroy_workqueue(priv->workqueue);
2844
2845 if (priv && priv->wpa_ie_len)
2846 kfree(priv->wpa_ie);
bf164cc0 2847
a19d7292 2848 rndis_unbind(usbdev, intf);
5c8fa4f7
JL		 2849
2850 wiphy_unregister(priv->wdev.wiphy);
2851 wiphy_free(priv->wdev.wiphy);
bf164cc0
JK		 2852}
2853
2854
582241a0 2855static int rndis_wlan_reset(struct usbnet *usbdev)
bf164cc0 2856{
110736de 2857 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
7eaab708 2858 int retval;
110736de 2859
222ec50a 2860 devdbg(usbdev, "rndis_wlan_reset");
110736de 2861
7eaab708
JK		 2862 retval = rndis_reset(usbdev);
2863 if (retval)
2864 devwarn(usbdev, "rndis_reset() failed: %d", retval);
2865
e5a11a82
JK		 2866 /* rndis_reset cleared multicast list, so restore here.
2867 (set_multicast_list() also turns on current packet filter) */
7eaab708
JK		 2868 set_multicast_list(usbdev);
2869
110736de
JK		 2870 queue_delayed_work(priv->workqueue, &priv->stats_work,
2871 round_jiffies_relative(STATS_UPDATE_JIFFIES));
2872
a19d7292 2873 return deauthenticate(usbdev);
bf164cc0
JK		 2874}
2875
2876
222ec50a
JK		 2877static int rndis_wlan_stop(struct usbnet *usbdev)
2878{
110736de
JK		 2879 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2880 int retval;
e5a11a82 2881 __le32 filter;
110736de 2882
222ec50a 2883 devdbg(usbdev, "rndis_wlan_stop");
110736de
JK		 2884
2885 retval = disassociate(usbdev, 0);
2886
2887 priv->work_pending = 0;
2888 cancel_delayed_work_sync(&priv->stats_work);
2889 cancel_delayed_work_sync(&priv->scan_work);
2890 cancel_work_sync(&priv->work);
2891 flush_workqueue(priv->workqueue);
2892
005ba2f1
JK		 2893 if (priv->scan_request) {
2894 cfg80211_scan_done(priv->scan_request, true);
2895 priv->scan_request = NULL;
2896 }
2897
e5a11a82
JK		 2898 /* Set current packet filter zero to block receiving data packets from
2899 device. */
2900 filter = 0;
2901 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
2902 sizeof(filter));
2903
110736de 2904 return retval;
222ec50a
JK		 2905}
2906
2907
bf164cc0
JK		 2908static const struct driver_info bcm4320b_info = {
2909 .description = "Wireless RNDIS device, BCM4320b based",
1487cd5e
JK		 2910 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2911 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 2912 .bind = rndis_wlan_bind,
2913 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 2914 .status = rndis_status,
2915 .rx_fixup = rndis_rx_fixup,
2916 .tx_fixup = rndis_tx_fixup,
582241a0 2917 .reset = rndis_wlan_reset,
222ec50a 2918 .stop = rndis_wlan_stop,
59620e9f 2919 .early_init = bcm4320b_early_init,
2a4901bc 2920 .indication = rndis_wlan_indication,
bf164cc0
JK		 2921};
2922
2923static const struct driver_info bcm4320a_info = {
2924 .description = "Wireless RNDIS device, BCM4320a based",
1487cd5e
JK		 2925 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2926 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 2927 .bind = rndis_wlan_bind,
2928 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 2929 .status = rndis_status,
2930 .rx_fixup = rndis_rx_fixup,
2931 .tx_fixup = rndis_tx_fixup,
582241a0 2932 .reset = rndis_wlan_reset,
222ec50a 2933 .stop = rndis_wlan_stop,
59620e9f 2934 .early_init = bcm4320a_early_init,
2a4901bc 2935 .indication = rndis_wlan_indication,
bf164cc0
JK		 2936};
2937
582241a0 2938static const struct driver_info rndis_wlan_info = {
bf164cc0 2939 .description = "Wireless RNDIS device",
1487cd5e
JK		 2940 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2941 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 2942 .bind = rndis_wlan_bind,
2943 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 2944 .status = rndis_status,
2945 .rx_fixup = rndis_rx_fixup,
2946 .tx_fixup = rndis_tx_fixup,
582241a0 2947 .reset = rndis_wlan_reset,
222ec50a 2948 .stop = rndis_wlan_stop,
59620e9f 2949 .early_init = bcm4320a_early_init,
2a4901bc 2950 .indication = rndis_wlan_indication,
bf164cc0
JK		 2951};
2952
2953/*-------------------------------------------------------------------------*/
2954
2955static const struct usb_device_id products [] = {
2956#define RNDIS_MASTER_INTERFACE \
2957 .bInterfaceClass = USB_CLASS_COMM, \
2958 .bInterfaceSubClass = 2 /* ACM */, \
2959 .bInterfaceProtocol = 0x0ff
2960
2961/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2962 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2963 */
2964{
2965 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2966 | USB_DEVICE_ID_MATCH_DEVICE,
2967 .idVendor = 0x0411,
2968 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2969 RNDIS_MASTER_INTERFACE,
2970 .driver_info = (unsigned long) &bcm4320b_info,
2971}, {
2972 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2973 | USB_DEVICE_ID_MATCH_DEVICE,
2974 .idVendor = 0x0baf,
2975 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2976 RNDIS_MASTER_INTERFACE,
2977 .driver_info = (unsigned long) &bcm4320b_info,
2978}, {
2979 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2980 | USB_DEVICE_ID_MATCH_DEVICE,
2981 .idVendor = 0x050d,
2982 .idProduct = 0x011b, /* Belkin F5D7051 */
2983 RNDIS_MASTER_INTERFACE,
2984 .driver_info = (unsigned long) &bcm4320b_info,
2985}, {
2986 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2987 | USB_DEVICE_ID_MATCH_DEVICE,
2988 .idVendor = 0x1799, /* Belkin has two vendor ids */
2989 .idProduct = 0x011b, /* Belkin F5D7051 */
2990 RNDIS_MASTER_INTERFACE,
2991 .driver_info = (unsigned long) &bcm4320b_info,
2992}, {
2993 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2994 | USB_DEVICE_ID_MATCH_DEVICE,
2995 .idVendor = 0x13b1,
2996 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2997 RNDIS_MASTER_INTERFACE,
2998 .driver_info = (unsigned long) &bcm4320b_info,
2999}, {
3000 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3001 | USB_DEVICE_ID_MATCH_DEVICE,
3002 .idVendor = 0x13b1,
3003 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3004 RNDIS_MASTER_INTERFACE,
3005 .driver_info = (unsigned long) &bcm4320b_info,
3006}, {
3007 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3008 | USB_DEVICE_ID_MATCH_DEVICE,
3009 .idVendor = 0x0b05,
3010 .idProduct = 0x1717, /* Asus WL169gE */
3011 RNDIS_MASTER_INTERFACE,
3012 .driver_info = (unsigned long) &bcm4320b_info,
3013}, {
3014 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3015 | USB_DEVICE_ID_MATCH_DEVICE,
3016 .idVendor = 0x0a5c,
3017 .idProduct = 0xd11b, /* Eminent EM4045 */
3018 RNDIS_MASTER_INTERFACE,
3019 .driver_info = (unsigned long) &bcm4320b_info,
3020}, {
3021 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3022 | USB_DEVICE_ID_MATCH_DEVICE,
3023 .idVendor = 0x1690,
3024 .idProduct = 0x0715, /* BT Voyager 1055 */
3025 RNDIS_MASTER_INTERFACE,
3026 .driver_info = (unsigned long) &bcm4320b_info,
3027},
3028/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3029 * parameters available, hardware probably contain older firmware version with
3030 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3031 */
3032{
3033 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3034 | USB_DEVICE_ID_MATCH_DEVICE,
3035 .idVendor = 0x13b1,
3036 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3037 RNDIS_MASTER_INTERFACE,
3038 .driver_info = (unsigned long) &bcm4320a_info,
3039}, {
3040 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3041 | USB_DEVICE_ID_MATCH_DEVICE,
3042 .idVendor = 0x0baf,
3043 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3044 RNDIS_MASTER_INTERFACE,
3045 .driver_info = (unsigned long) &bcm4320a_info,
3046}, {
3047 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3048 | USB_DEVICE_ID_MATCH_DEVICE,
3049 .idVendor = 0x0411,
3050 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3051 RNDIS_MASTER_INTERFACE,
3052 .driver_info = (unsigned long) &bcm4320a_info,
3053},
3054/* Generic Wireless RNDIS devices that we don't have exact
3055 * idVendor/idProduct/chip yet.
3056 */
3057{
3058 /* RNDIS is MSFT's un-official variant of CDC ACM */
3059 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
582241a0 3060 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3061}, {
3062 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3063 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
582241a0 3064 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3065},
3066 { }, // END
3067};
3068MODULE_DEVICE_TABLE(usb, products);
3069
3070static struct usb_driver rndis_wlan_driver = {
3071 .name = "rndis_wlan",
3072 .id_table = products,
3073 .probe = usbnet_probe,
3074 .disconnect = usbnet_disconnect,
3075 .suspend = usbnet_suspend,
3076 .resume = usbnet_resume,
3077};
3078
3079static int __init rndis_wlan_init(void)
3080{
3081 return usb_register(&rndis_wlan_driver);
3082}
3083module_init(rndis_wlan_init);
3084
3085static void __exit rndis_wlan_exit(void)
3086{
3087 usb_deregister(&rndis_wlan_driver);
3088}
3089module_exit(rndis_wlan_exit);
3090
3091MODULE_AUTHOR("Bjorge Dijkstra");
3092MODULE_AUTHOR("Jussi Kivilinna");
3093MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3094MODULE_LICENSE("GPL");
3095
Linux kernel - Deliverables
This page took 0.532177 seconds and 5 git commands to generate.