]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blame - drivers/net/wireless/rndis_wlan.c
projects / mirror_ubuntu-artful-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
rndis_wlan: add cfg80211 set_channel
[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / rndis_wlan.c
CommitLineData
bf164cc0
JK		 1/*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
9656e85b 5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
bf164cc0
JK		 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
24 */
25
26// #define DEBUG // error path messages, extra info
27// #define VERBOSE // more; success messages
28
29#include <linux/module.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/ethtool.h>
34#include <linux/workqueue.h>
35#include <linux/mutex.h>
36#include <linux/mii.h>
37#include <linux/usb.h>
38#include <linux/usb/cdc.h>
39#include <linux/wireless.h>
2c706002 40#include <linux/ieee80211.h>
bf164cc0
JK		 41#include <linux/if_arp.h>
42#include <linux/ctype.h>
43#include <linux/spinlock.h>
44#include <net/iw_handler.h>
5c8fa4f7 45#include <net/cfg80211.h>
bf164cc0
JK		 46#include <linux/usb/usbnet.h>
47#include <linux/usb/rndis_host.h>
48
49
50/* NOTE: All these are settings for Broadcom chipset */
51static char modparam_country[4] = "EU";
52module_param_string(country, modparam_country, 4, 0444);
53MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
54
55static int modparam_frameburst = 1;
56module_param_named(frameburst, modparam_frameburst, int, 0444);
57MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
58
59static int modparam_afterburner = 0;
60module_param_named(afterburner, modparam_afterburner, int, 0444);
61MODULE_PARM_DESC(afterburner,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
63
64static int modparam_power_save = 0;
65module_param_named(power_save, modparam_power_save, int, 0444);
66MODULE_PARM_DESC(power_save,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
68
69static int modparam_power_output = 3;
70module_param_named(power_output, modparam_power_output, int, 0444);
71MODULE_PARM_DESC(power_output,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
73
74static int modparam_roamtrigger = -70;
75module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
76MODULE_PARM_DESC(roamtrigger,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
79
80static int modparam_roamdelta = 1;
81module_param_named(roamdelta, modparam_roamdelta, int, 0444);
82MODULE_PARM_DESC(roamdelta,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
85
86static int modparam_workaround_interval = 500;
87module_param_named(workaround_interval, modparam_workaround_interval,
88 int, 0444);
89MODULE_PARM_DESC(workaround_interval,
90 "set stall workaround interval in msecs (default: 500)");
91
92
93/* various RNDIS OID defs */
35c26c2c
HH		 94#define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
95#define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
96
97#define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
98#define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
99#define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
100#define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
101#define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
102
35c26c2c
HH		 103#define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
104#define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
105#define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
106
107#define OID_802_11_BSSID cpu_to_le32(0x0d010101)
108#define OID_802_11_SSID cpu_to_le32(0x0d010102)
109#define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
110#define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
111#define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
112#define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
113#define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
114#define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
115#define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
116#define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
117#define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
118#define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
119#define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
120#define OID_802_11_PMKID cpu_to_le32(0x0d010123)
121#define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
122#define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
123#define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
124#define OID_802_11_RSSI cpu_to_le32(0x0d010206)
125#define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
126#define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
127#define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
128#define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
129#define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
130#define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
bf164cc0
JK		 131
132
133/* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
134#define WL_NOISE -96 /* typical noise level in dBm */
135#define WL_SIGMAX -32 /* typical maximum signal level in dBm */
136
137
138/* Assume that Broadcom 4320 (only chipset at time of writing known to be
139 * based on wireless rndis) has default txpower of 13dBm.
140 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
222ec50a
JK		 141 * 100% : 20 mW ~ 13dBm
142 * 75% : 15 mW ~ 12dBm
143 * 50% : 10 mW ~ 10dBm
144 * 25% : 5 mW ~ 7dBm
bf164cc0 145 */
222ec50a
JK		 146#define BCM4320_DEFAULT_TXPOWER_DBM_100 13
147#define BCM4320_DEFAULT_TXPOWER_DBM_75 12
148#define BCM4320_DEFAULT_TXPOWER_DBM_50 10
149#define BCM4320_DEFAULT_TXPOWER_DBM_25 7
bf164cc0
JK		 150
151
152/* codes for "status" field of completion messages */
35c26c2c
HH		 153#define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
154#define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
bf164cc0
JK		 155
156
157/* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
158 * slightly modified for datatype endianess, etc
159 */
160#define NDIS_802_11_LENGTH_SSID 32
161#define NDIS_802_11_LENGTH_RATES 8
162#define NDIS_802_11_LENGTH_RATES_EX 16
163
1e41e1d2 164enum ndis_80211_net_type {
aa18294a
JK		 165 NDIS_80211_TYPE_FREQ_HOP,
166 NDIS_80211_TYPE_DIRECT_SEQ,
167 NDIS_80211_TYPE_OFDM_A,
168 NDIS_80211_TYPE_OFDM_G
1e41e1d2
JK		 169};
170
171enum ndis_80211_net_infra {
aa18294a
JK		 172 NDIS_80211_INFRA_ADHOC,
173 NDIS_80211_INFRA_INFRA,
174 NDIS_80211_INFRA_AUTO_UNKNOWN
1e41e1d2
JK		 175};
176
177enum ndis_80211_auth_mode {
aa18294a
JK		 178 NDIS_80211_AUTH_OPEN,
179 NDIS_80211_AUTH_SHARED,
180 NDIS_80211_AUTH_AUTO_SWITCH,
181 NDIS_80211_AUTH_WPA,
182 NDIS_80211_AUTH_WPA_PSK,
183 NDIS_80211_AUTH_WPA_NONE,
184 NDIS_80211_AUTH_WPA2,
185 NDIS_80211_AUTH_WPA2_PSK
1e41e1d2
JK		 186};
187
188enum ndis_80211_encr_status {
aa18294a
JK		 189 NDIS_80211_ENCR_WEP_ENABLED,
190 NDIS_80211_ENCR_DISABLED,
191 NDIS_80211_ENCR_WEP_KEY_ABSENT,
192 NDIS_80211_ENCR_NOT_SUPPORTED,
193 NDIS_80211_ENCR_TKIP_ENABLED,
194 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
195 NDIS_80211_ENCR_CCMP_ENABLED,
196 NDIS_80211_ENCR_CCMP_KEY_ABSENT
1e41e1d2
JK		 197};
198
199enum ndis_80211_priv_filter {
aa18294a
JK		 200 NDIS_80211_PRIV_ACCEPT_ALL,
201 NDIS_80211_PRIV_8021X_WEP
1e41e1d2
JK		 202};
203
030645ac
JK		 204enum ndis_80211_status_type {
205 NDIS_80211_STATUSTYPE_AUTHENTICATION,
206 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
207 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
208 NDIS_80211_STATUSTYPE_RADIOSTATE,
209};
210
211enum ndis_80211_media_stream_mode {
212 NDIS_80211_MEDIA_STREAM_OFF,
213 NDIS_80211_MEDIA_STREAM_ON
214};
215
216enum ndis_80211_radio_status {
217 NDIS_80211_RADIO_STATUS_ON,
218 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
219 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
220};
221
b4703a2e 222enum ndis_80211_addkey_bits {
aa18294a
JK		 223 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
224 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
225 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
226 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 227};
228
229enum ndis_80211_addwep_bits {
aa18294a
JK		 230 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
231 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 232};
233
030645ac
JK		 234struct ndis_80211_auth_request {
235 __le32 length;
236 u8 bssid[6];
237 u8 padding[2];
238 __le32 flags;
239} __attribute__((packed));
240
241struct ndis_80211_pmkid_candidate {
242 u8 bssid[6];
243 u8 padding[2];
244 __le32 flags;
245} __attribute__((packed));
246
247struct ndis_80211_pmkid_cand_list {
248 __le32 version;
249 __le32 num_candidates;
250 struct ndis_80211_pmkid_candidate candidate_list[0];
251} __attribute__((packed));
252
253struct ndis_80211_status_indication {
254 __le32 status_type;
255 union {
256 enum ndis_80211_media_stream_mode media_stream_mode;
257 enum ndis_80211_radio_status radio_status;
258 struct ndis_80211_auth_request auth_request[0];
259 struct ndis_80211_pmkid_cand_list cand_list;
260 } u;
261} __attribute__((packed));
262
1e41e1d2 263struct ndis_80211_ssid {
461b3f2a
JK		 264 __le32 length;
265 u8 essid[NDIS_802_11_LENGTH_SSID];
bf164cc0
JK		 266} __attribute__((packed));
267
1e41e1d2 268struct ndis_80211_conf_freq_hop {
461b3f2a
JK		 269 __le32 length;
270 __le32 hop_pattern;
271 __le32 hop_set;
272 __le32 dwell_time;
bf164cc0
JK		 273} __attribute__((packed));
274
1e41e1d2 275struct ndis_80211_conf {
461b3f2a
JK		 276 __le32 length;
277 __le32 beacon_period;
278 __le32 atim_window;
279 __le32 ds_config;
280 struct ndis_80211_conf_freq_hop fh_config;
bf164cc0
JK		 281} __attribute__((packed));
282
1e41e1d2 283struct ndis_80211_bssid_ex {
461b3f2a
JK		 284 __le32 length;
285 u8 mac[6];
286 u8 padding[2];
287 struct ndis_80211_ssid ssid;
288 __le32 privacy;
289 __le32 rssi;
290 __le32 net_type;
291 struct ndis_80211_conf config;
292 __le32 net_infra;
293 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
294 __le32 ie_length;
295 u8 ies[0];
bf164cc0
JK		 296} __attribute__((packed));
297
1e41e1d2 298struct ndis_80211_bssid_list_ex {
461b3f2a
JK		 299 __le32 num_items;
300 struct ndis_80211_bssid_ex bssid[0];
bf164cc0
JK		 301} __attribute__((packed));
302
1e41e1d2 303struct ndis_80211_fixed_ies {
461b3f2a
JK		 304 u8 timestamp[8];
305 __le16 beacon_interval;
306 __le16 capabilities;
bf164cc0
JK		 307} __attribute__((packed));
308
1e41e1d2 309struct ndis_80211_wep_key {
461b3f2a
JK		 310 __le32 size;
311 __le32 index;
312 __le32 length;
313 u8 material[32];
bf164cc0
JK		 314} __attribute__((packed));
315
1e41e1d2 316struct ndis_80211_key {
461b3f2a
JK		 317 __le32 size;
318 __le32 index;
319 __le32 length;
320 u8 bssid[6];
321 u8 padding[6];
322 u8 rsc[8];
323 u8 material[32];
bf164cc0
JK		 324} __attribute__((packed));
325
1e41e1d2 326struct ndis_80211_remove_key {
461b3f2a
JK		 327 __le32 size;
328 __le32 index;
329 u8 bssid[6];
9d40934e 330 u8 padding[2];
bf164cc0
JK		 331} __attribute__((packed));
332
1e41e1d2 333struct ndis_config_param {
461b3f2a
JK		 334 __le32 name_offs;
335 __le32 name_length;
336 __le32 type;
337 __le32 value_offs;
338 __le32 value_length;
bf164cc0
JK		 339} __attribute__((packed));
340
4364623c
SA		 341struct ndis_80211_assoc_info {
342 __le32 length;
343 __le16 req_ies;
344 struct req_ie {
345 __le16 capa;
346 __le16 listen_interval;
347 u8 cur_ap_address[6];
348 } req_ie;
349 __le32 req_ie_length;
350 __le32 offset_req_ies;
351 __le16 resp_ies;
352 struct resp_ie {
353 __le16 capa;
354 __le16 status_code;
355 __le16 assoc_id;
356 } resp_ie;
357 __le32 resp_ie_length;
358 __le32 offset_resp_ies;
359} __attribute__((packed));
360
bf164cc0
JK		 361/*
362 * private data
363 */
364#define NET_TYPE_11FB 0
365
366#define CAP_MODE_80211A 1
367#define CAP_MODE_80211B 2
368#define CAP_MODE_80211G 4
369#define CAP_MODE_MASK 7
bf164cc0 370
6010ce07
JK		 371#define WORK_LINK_UP (1<<0)
372#define WORK_LINK_DOWN (1<<1)
373#define WORK_SET_MULTICAST_LIST (1<<2)
bf164cc0 374
5c52323e
JK		 375#define RNDIS_WLAN_ALG_NONE 0
376#define RNDIS_WLAN_ALG_WEP (1<<0)
377#define RNDIS_WLAN_ALG_TKIP (1<<1)
378#define RNDIS_WLAN_ALG_CCMP (1<<2)
379
380#define RNDIS_WLAN_KEY_MGMT_NONE 0
381#define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
382#define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
383
90d07349
JK		 384#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
385
5c8fa4f7
JL		 386static const struct ieee80211_channel rndis_channels[] = {
387 { .center_freq = 2412 },
388 { .center_freq = 2417 },
389 { .center_freq = 2422 },
390 { .center_freq = 2427 },
391 { .center_freq = 2432 },
392 { .center_freq = 2437 },
393 { .center_freq = 2442 },
394 { .center_freq = 2447 },
395 { .center_freq = 2452 },
396 { .center_freq = 2457 },
397 { .center_freq = 2462 },
398 { .center_freq = 2467 },
399 { .center_freq = 2472 },
400 { .center_freq = 2484 },
401};
402
403static const struct ieee80211_rate rndis_rates[] = {
404 { .bitrate = 10 },
405 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
406 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
407 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
408 { .bitrate = 60 },
409 { .bitrate = 90 },
410 { .bitrate = 120 },
411 { .bitrate = 180 },
412 { .bitrate = 240 },
413 { .bitrate = 360 },
414 { .bitrate = 480 },
415 { .bitrate = 540 }
416};
417
4a7f13ee
JK		 418static const u32 rndis_cipher_suites[] = {
419 WLAN_CIPHER_SUITE_WEP40,
420 WLAN_CIPHER_SUITE_WEP104,
421 WLAN_CIPHER_SUITE_TKIP,
422 WLAN_CIPHER_SUITE_CCMP,
423};
424
b7cfc5b3
JK		 425struct rndis_wlan_encr_key {
426 int len;
427 int cipher;
428 u8 material[32];
429 u8 bssid[ETH_ALEN];
430 bool pairwise;
431 bool tx_key;
432};
433
bf164cc0 434/* RNDIS device private data */
582241a0 435struct rndis_wlan_private {
bf164cc0
JK		 436 struct usbnet *usbdev;
437
5c8fa4f7
JL		 438 struct wireless_dev wdev;
439
71a7b26d
JK		 440 struct cfg80211_scan_request *scan_request;
441
bf164cc0
JK		 442 struct workqueue_struct *workqueue;
443 struct delayed_work stats_work;
71a7b26d 444 struct delayed_work scan_work;
bf164cc0
JK		 445 struct work_struct work;
446 struct mutex command_lock;
447 spinlock_t stats_lock;
448 unsigned long work_pending;
449
5c8fa4f7
JL		 450 struct ieee80211_supported_band band;
451 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
452 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
4a7f13ee 453 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
5c8fa4f7 454
bf164cc0
JK		 455 struct iw_statistics iwstats;
456 struct iw_statistics privstats;
457
bf164cc0
JK		 458 int caps;
459 int multicast_size;
460
461 /* module parameters */
462 char param_country[4];
463 int param_frameburst;
464 int param_afterburner;
465 int param_power_save;
466 int param_power_output;
467 int param_roamtrigger;
468 int param_roamdelta;
469 u32 param_workaround_interval;
470
471 /* hardware state */
472 int radio_on;
473 int infra_mode;
5c52323e 474 bool connected;
1e41e1d2 475 struct ndis_80211_ssid essid;
5f81ff5a 476 __le32 current_command_oid;
bf164cc0
JK		 477
478 /* encryption stuff */
479 int encr_tx_key_index;
b7cfc5b3 480 struct rndis_wlan_encr_key encr_keys[4];
5c52323e 481 enum nl80211_auth_type wpa_auth_type;
bf164cc0
JK		 482 int wpa_version;
483 int wpa_keymgmt;
bf164cc0
JK		 484 int wpa_ie_len;
485 u8 *wpa_ie;
486 int wpa_cipher_pair;
487 int wpa_cipher_group;
90d07349
JK		 488
489 u8 command_buffer[COMMAND_BUFFER_SIZE];
bf164cc0
JK		 490};
491
964c1d41
JL		 492/*
493 * cfg80211 ops
494 */
e36d56b6
JB		 495static int rndis_change_virtual_intf(struct wiphy *wiphy,
496 struct net_device *dev,
964c1d41
JL		 497 enum nl80211_iftype type, u32 *flags,
498 struct vif_params *params);
499
71a7b26d
JK		 500static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
501 struct cfg80211_scan_request *request);
502
d75ec2b7
JK		 503static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
504
222ec50a
JK		 505static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
506 int dbm);
507static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
508
5c52323e
JK		 509static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
510 struct cfg80211_connect_params *sme);
511
512static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
513 u16 reason_code);
514
515static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
516 struct cfg80211_ibss_params *params);
517
518static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
519
5554adbe
JK		 520static int rndis_set_channel(struct wiphy *wiphy,
521 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
522
caa6dfad 523static struct cfg80211_ops rndis_config_ops = {
964c1d41 524 .change_virtual_intf = rndis_change_virtual_intf,
71a7b26d 525 .scan = rndis_scan,
d75ec2b7 526 .set_wiphy_params = rndis_set_wiphy_params,
222ec50a
JK		 527 .set_tx_power = rndis_set_tx_power,
528 .get_tx_power = rndis_get_tx_power,
5c52323e
JK		 529 .connect = rndis_connect,
530 .disconnect = rndis_disconnect,
531 .join_ibss = rndis_join_ibss,
532 .leave_ibss = rndis_leave_ibss,
5554adbe 533 .set_channel = rndis_set_channel,
964c1d41 534};
bf164cc0 535
caa6dfad 536static void *rndis_wiphy_privid = &rndis_wiphy_privid;
bf164cc0 537
bf164cc0 538
582241a0 539static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
bf164cc0 540{
582241a0 541 return (struct rndis_wlan_private *)dev->driver_priv;
bf164cc0
JK		 542}
543
544
222ec50a 545static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
bf164cc0 546{
222ec50a
JK		 547 switch (priv->param_power_output) {
548 default:
549 case 3:
550 return BCM4320_DEFAULT_TXPOWER_DBM_100;
551 case 2:
552 return BCM4320_DEFAULT_TXPOWER_DBM_75;
553 case 1:
554 return BCM4320_DEFAULT_TXPOWER_DBM_50;
555 case 0:
556 return BCM4320_DEFAULT_TXPOWER_DBM_25;
557 }
bf164cc0
JK		 558}
559
560
b7cfc5b3
JK		 561static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
562{
563 int cipher = priv->encr_keys[idx].cipher;
564
565 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
566 cipher == WLAN_CIPHER_SUITE_TKIP);
567}
568
569
5c52323e
JK		 570static int rndis_cipher_to_alg(u32 cipher)
571{
572 switch (cipher) {
573 default:
574 return RNDIS_WLAN_ALG_NONE;
575 case WLAN_CIPHER_SUITE_WEP40:
576 case WLAN_CIPHER_SUITE_WEP104:
577 return RNDIS_WLAN_ALG_WEP;
578 case WLAN_CIPHER_SUITE_TKIP:
579 return RNDIS_WLAN_ALG_TKIP;
580 case WLAN_CIPHER_SUITE_CCMP:
581 return RNDIS_WLAN_ALG_CCMP;
582 }
583}
584
585static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
586{
587 switch (akm_suite) {
588 default:
589 return RNDIS_WLAN_KEY_MGMT_NONE;
590 case WLAN_AKM_SUITE_8021X:
591 return RNDIS_WLAN_KEY_MGMT_802_1X;
592 case WLAN_AKM_SUITE_PSK:
593 return RNDIS_WLAN_KEY_MGMT_PSK;
594 }
595}
596
597
27b7b5c1
JK		 598#ifdef DEBUG
599static const char *oid_to_string(__le32 oid)
600{
601 switch (oid) {
602#define OID_STR(oid) case oid: return(#oid)
603 /* from rndis_host.h */
604 OID_STR(OID_802_3_PERMANENT_ADDRESS);
605 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
606 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
607 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
608
609 /* from rndis_wlan.c */
610 OID_STR(OID_GEN_LINK_SPEED);
611 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
612
613 OID_STR(OID_GEN_XMIT_OK);
614 OID_STR(OID_GEN_RCV_OK);
615 OID_STR(OID_GEN_XMIT_ERROR);
616 OID_STR(OID_GEN_RCV_ERROR);
617 OID_STR(OID_GEN_RCV_NO_BUFFER);
618
619 OID_STR(OID_802_3_CURRENT_ADDRESS);
620 OID_STR(OID_802_3_MULTICAST_LIST);
621 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
622
623 OID_STR(OID_802_11_BSSID);
624 OID_STR(OID_802_11_SSID);
625 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
626 OID_STR(OID_802_11_ADD_WEP);
627 OID_STR(OID_802_11_REMOVE_WEP);
628 OID_STR(OID_802_11_DISASSOCIATE);
629 OID_STR(OID_802_11_AUTHENTICATION_MODE);
630 OID_STR(OID_802_11_PRIVACY_FILTER);
631 OID_STR(OID_802_11_BSSID_LIST_SCAN);
632 OID_STR(OID_802_11_ENCRYPTION_STATUS);
633 OID_STR(OID_802_11_ADD_KEY);
634 OID_STR(OID_802_11_REMOVE_KEY);
635 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
636 OID_STR(OID_802_11_PMKID);
637 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
638 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
639 OID_STR(OID_802_11_TX_POWER_LEVEL);
640 OID_STR(OID_802_11_RSSI);
641 OID_STR(OID_802_11_RSSI_TRIGGER);
642 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
643 OID_STR(OID_802_11_RTS_THRESHOLD);
644 OID_STR(OID_802_11_SUPPORTED_RATES);
645 OID_STR(OID_802_11_CONFIGURATION);
646 OID_STR(OID_802_11_BSSID_LIST);
647#undef OID_STR
648 }
649
650 return "?";
651}
652#else
653static const char *oid_to_string(__le32 oid)
654{
655 return "?";
656}
657#endif
658
659
bf164cc0
JK		 660/* translate error code */
661static int rndis_error_status(__le32 rndis_status)
662{
663 int ret = -EINVAL;
664 switch (rndis_status) {
665 case RNDIS_STATUS_SUCCESS:
666 ret = 0;
667 break;
668 case RNDIS_STATUS_FAILURE:
669 case RNDIS_STATUS_INVALID_DATA:
670 ret = -EINVAL;
671 break;
672 case RNDIS_STATUS_NOT_SUPPORTED:
673 ret = -EOPNOTSUPP;
674 break;
675 case RNDIS_STATUS_ADAPTER_NOT_READY:
676 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
677 ret = -EBUSY;
678 break;
679 }
680 return ret;
681}
682
683
684static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
685{
582241a0 686 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 687 union {
688 void *buf;
689 struct rndis_msg_hdr *header;
690 struct rndis_query *get;
691 struct rndis_query_c *get_c;
692 } u;
693 int ret, buflen;
694
695 buflen = *len + sizeof(*u.get);
696 if (buflen < CONTROL_BUFFER_SIZE)
697 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 698
699 if (buflen > COMMAND_BUFFER_SIZE) {
700 u.buf = kmalloc(buflen, GFP_KERNEL);
701 if (!u.buf)
702 return -ENOMEM;
703 } else {
704 u.buf = priv->command_buffer;
705 }
706
707 mutex_lock(&priv->command_lock);
708
bf164cc0
JK		 709 memset(u.get, 0, sizeof *u.get);
710 u.get->msg_type = RNDIS_MSG_QUERY;
35c26c2c 711 u.get->msg_len = cpu_to_le32(sizeof *u.get);
bf164cc0
JK		 712 u.get->oid = oid;
713
5f81ff5a 714 priv->current_command_oid = oid;
818727ba 715 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 716 priv->current_command_oid = 0;
27b7b5c1
JK		 717 if (ret < 0)
718 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
719 "(%08x)", oid_to_string(oid), ret,
720 le32_to_cpu(u.get_c->status));
721
bf164cc0
JK		 722 if (ret == 0) {
723 ret = le32_to_cpu(u.get_c->len);
5fd8f250
JK		 724 if (ret > *len)
725 *len = ret;
bf164cc0
JK		 726 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
727 ret = rndis_error_status(u.get_c->status);
27b7b5c1
JK		 728
729 if (ret < 0)
730 devdbg(dev, "rndis_query_oid(%s): device returned "
731 "error, 0x%08x (%d)", oid_to_string(oid),
732 le32_to_cpu(u.get_c->status), ret);
bf164cc0
JK		 733 }
734
90d07349
JK		 735 mutex_unlock(&priv->command_lock);
736
737 if (u.buf != priv->command_buffer)
738 kfree(u.buf);
bf164cc0
JK		 739 return ret;
740}
741
742
743static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
744{
582241a0 745 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 746 union {
747 void *buf;
748 struct rndis_msg_hdr *header;
749 struct rndis_set *set;
750 struct rndis_set_c *set_c;
751 } u;
752 int ret, buflen;
753
754 buflen = len + sizeof(*u.set);
755 if (buflen < CONTROL_BUFFER_SIZE)
756 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 757
758 if (buflen > COMMAND_BUFFER_SIZE) {
759 u.buf = kmalloc(buflen, GFP_KERNEL);
760 if (!u.buf)
761 return -ENOMEM;
762 } else {
763 u.buf = priv->command_buffer;
764 }
765
766 mutex_lock(&priv->command_lock);
bf164cc0
JK		 767
768 memset(u.set, 0, sizeof *u.set);
769 u.set->msg_type = RNDIS_MSG_SET;
770 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
771 u.set->oid = oid;
772 u.set->len = cpu_to_le32(len);
35c26c2c
HH		 773 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
774 u.set->handle = cpu_to_le32(0);
bf164cc0
JK		 775 memcpy(u.buf + sizeof(*u.set), data, len);
776
5f81ff5a 777 priv->current_command_oid = oid;
818727ba 778 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 779 priv->current_command_oid = 0;
27b7b5c1
JK		 780 if (ret < 0)
781 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
782 "(%08x)", oid_to_string(oid), ret,
783 le32_to_cpu(u.set_c->status));
784
785 if (ret == 0) {
bf164cc0
JK		 786 ret = rndis_error_status(u.set_c->status);
787
27b7b5c1
JK		 788 if (ret < 0)
789 devdbg(dev, "rndis_set_oid(%s): device returned error, "
790 "0x%08x (%d)", oid_to_string(oid),
791 le32_to_cpu(u.set_c->status), ret);
792 }
793
90d07349
JK		 794 mutex_unlock(&priv->command_lock);
795
796 if (u.buf != priv->command_buffer)
797 kfree(u.buf);
bf164cc0
JK		 798 return ret;
799}
800
801
7eaab708
JK		 802static int rndis_reset(struct usbnet *usbdev)
803{
804 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
805 struct rndis_reset *reset;
806 int ret;
807
808 mutex_lock(&priv->command_lock);
809
810 reset = (void *)priv->command_buffer;
811 memset(reset, 0, sizeof(*reset));
812 reset->msg_type = RNDIS_MSG_RESET;
813 reset->msg_len = cpu_to_le32(sizeof(*reset));
5f81ff5a 814 priv->current_command_oid = 0;
7eaab708
JK		 815 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
816
817 mutex_unlock(&priv->command_lock);
818
819 if (ret < 0)
820 return ret;
821 return 0;
822}
823
824
bf164cc0
JK		 825/*
826 * Specs say that we can only set config parameters only soon after device
827 * initialization.
828 * value_type: 0 = u32, 2 = unicode string
829 */
830static int rndis_set_config_parameter(struct usbnet *dev, char *param,
831 int value_type, void *value)
832{
1e41e1d2 833 struct ndis_config_param *infobuf;
bf164cc0
JK		 834 int value_len, info_len, param_len, ret, i;
835 __le16 *unibuf;
836 __le32 *dst_value;
837
838 if (value_type == 0)
839 value_len = sizeof(__le32);
840 else if (value_type == 2)
841 value_len = strlen(value) * sizeof(__le16);
842 else
843 return -EINVAL;
844
845 param_len = strlen(param) * sizeof(__le16);
846 info_len = sizeof(*infobuf) + param_len + value_len;
847
848#ifdef DEBUG
849 info_len += 12;
850#endif
851 infobuf = kmalloc(info_len, GFP_KERNEL);
852 if (!infobuf)
853 return -ENOMEM;
854
855#ifdef DEBUG
856 info_len -= 12;
857 /* extra 12 bytes are for padding (debug output) */
858 memset(infobuf, 0xCC, info_len + 12);
859#endif
860
861 if (value_type == 2)
862 devdbg(dev, "setting config parameter: %s, value: %s",
863 param, (u8 *)value);
864 else
865 devdbg(dev, "setting config parameter: %s, value: %d",
866 param, *(u32 *)value);
867
461b3f2a
JK		 868 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
869 infobuf->name_length = cpu_to_le32(param_len);
870 infobuf->type = cpu_to_le32(value_type);
871 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
872 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 873
874 /* simple string to unicode string conversion */
875 unibuf = (void *)infobuf + sizeof(*infobuf);
876 for (i = 0; i < param_len / sizeof(__le16); i++)
877 unibuf[i] = cpu_to_le16(param[i]);
878
879 if (value_type == 2) {
880 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
881 for (i = 0; i < value_len / sizeof(__le16); i++)
882 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
883 } else {
884 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
885 *dst_value = cpu_to_le32(*(u32 *)value);
886 }
887
888#ifdef DEBUG
889 devdbg(dev, "info buffer (len: %d):", info_len);
890 for (i = 0; i < info_len; i += 12) {
891 u32 *tmp = (u32 *)((u8 *)infobuf + i);
892 devdbg(dev, "%08X:%08X:%08X",
893 cpu_to_be32(tmp[0]),
894 cpu_to_be32(tmp[1]),
895 cpu_to_be32(tmp[2]));
896 }
897#endif
898
899 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
900 infobuf, info_len);
901 if (ret != 0)
6d60f9df 902 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
bf164cc0
JK		 903
904 kfree(infobuf);
905 return ret;
906}
907
908static int rndis_set_config_parameter_str(struct usbnet *dev,
909 char *param, char *value)
910{
911 return(rndis_set_config_parameter(dev, param, 2, value));
912}
913
914/*static int rndis_set_config_parameter_u32(struct usbnet *dev,
915 char *param, u32 value)
916{
917 return(rndis_set_config_parameter(dev, param, 0, &value));
918}*/
919
920
921/*
922 * data conversion functions
923 */
924static int level_to_qual(int level)
925{
926 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
927 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
928}
929
930
bf164cc0
JK		 931/*
932 * common functions
933 */
9f77ccab 934static int set_infra_mode(struct usbnet *usbdev, int mode);
b7cfc5b3 935static void restore_keys(struct usbnet *usbdev);
db0dd396 936static int rndis_check_bssid_list(struct usbnet *usbdev);
bf164cc0 937
1e41e1d2 938static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0 939{
582241a0 940 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 941 int ret;
942
943 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
5c52323e
JK		 944 if (ret < 0) {
945 devwarn(usbdev, "setting SSID failed (%08X)", ret);
946 return ret;
947 }
bf164cc0
JK		 948 if (ret == 0) {
949 memcpy(&priv->essid, ssid, sizeof(priv->essid));
950 priv->radio_on = 1;
951 devdbg(usbdev, "set_essid: radio_on = 1");
952 }
953
954 return ret;
955}
956
5c52323e
JK		 957static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
958{
959 int ret;
960
961 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
962 if (ret < 0) {
963 devwarn(usbdev, "setting BSSID[%pM] failed (%08X)", bssid, ret);
964 return ret;
965 }
966
967 return ret;
968}
969
970static int clear_bssid(struct usbnet *usbdev)
971{
972 u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
973
974 return set_bssid(usbdev, broadcast_mac);
975}
bf164cc0
JK		 976
977static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
978{
979 int ret, len;
980
981 len = ETH_ALEN;
982 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
983
984 if (ret != 0)
985 memset(bssid, 0, ETH_ALEN);
986
987 return ret;
988}
989
4364623c
SA		 990static int get_association_info(struct usbnet *usbdev,
991 struct ndis_80211_assoc_info *info, int len)
992{
993 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
994 info, &len);
995}
bf164cc0 996
5c52323e 997static bool is_associated(struct usbnet *usbdev)
bf164cc0 998{
5c52323e 999 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1000 u8 bssid[ETH_ALEN];
1001 int ret;
1002
5c52323e
JK		 1003 if (!priv->radio_on)
1004 return false;
1005
bf164cc0
JK		 1006 ret = get_bssid(usbdev, bssid);
1007
7b1fff99 1008 return (ret == 0 && !is_zero_ether_addr(bssid));
bf164cc0
JK		 1009}
1010
1011
1012static int disassociate(struct usbnet *usbdev, int reset_ssid)
1013{
582241a0 1014 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1015 struct ndis_80211_ssid ssid;
bf164cc0
JK		 1016 int i, ret = 0;
1017
1018 if (priv->radio_on) {
1019 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1020 if (ret == 0) {
1021 priv->radio_on = 0;
1022 devdbg(usbdev, "disassociate: radio_on = 0");
1023
1024 if (reset_ssid)
1025 msleep(100);
1026 }
1027 }
1028
1029 /* disassociate causes radio to be turned off; if reset_ssid
1030 * is given, set random ssid to enable radio */
1031 if (reset_ssid) {
9f77ccab
JK		 1032 /* Set device to infrastructure mode so we don't get ad-hoc
1033 * 'media connect' indications with the random ssid.
1034 */
1035 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1036
461b3f2a
JK		 1037 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1038 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1039 ssid.essid[0] = 0x1;
1040 ssid.essid[1] = 0xff;
1041 for (i = 2; i < sizeof(ssid.essid); i++)
1042 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 1043 ret = set_essid(usbdev, &ssid);
1044 }
1045 return ret;
1046}
1047
1048
5c52323e
JK		 1049static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1050 enum nl80211_auth_type auth_type, int keymgmt)
bf164cc0 1051{
582241a0 1052 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1053 __le32 tmp;
1054 int auth_mode, ret;
1055
1056 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
5c52323e 1057 "keymgmt=0x%x", wpa_version, auth_type, keymgmt);
bf164cc0 1058
5c52323e
JK		 1059 if (wpa_version & NL80211_WPA_VERSION_2) {
1060 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1061 auth_mode = NDIS_80211_AUTH_WPA2;
bf164cc0 1062 else
aa18294a 1063 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
5c52323e
JK		 1064 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1065 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1066 auth_mode = NDIS_80211_AUTH_WPA;
5c52323e 1067 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
aa18294a 1068 auth_mode = NDIS_80211_AUTH_WPA_PSK;
bf164cc0 1069 else
aa18294a 1070 auth_mode = NDIS_80211_AUTH_WPA_NONE;
5c52323e
JK		 1071 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1072 auth_mode = NDIS_80211_AUTH_SHARED;
1073 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
aa18294a 1074 auth_mode = NDIS_80211_AUTH_OPEN;
5c52323e
JK		 1075 else
1076 return -ENOTSUPP;
bf164cc0
JK		 1077
1078 tmp = cpu_to_le32(auth_mode);
1079 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1080 sizeof(tmp));
1081 if (ret != 0) {
1082 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1083 return ret;
1084 }
1085
1086 priv->wpa_version = wpa_version;
5c52323e
JK		 1087 priv->wpa_auth_type = auth_type;
1088 priv->wpa_keymgmt = keymgmt;
1089
bf164cc0
JK		 1090 return 0;
1091}
1092
1093
1094static int set_priv_filter(struct usbnet *usbdev)
1095{
582241a0 1096 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1097 __le32 tmp;
1098
1099 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1100
5c52323e
JK		 1101 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1102 priv->wpa_version & NL80211_WPA_VERSION_1)
aa18294a 1103 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
bf164cc0 1104 else
aa18294a 1105 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
bf164cc0
JK		 1106
1107 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1108 sizeof(tmp));
1109}
1110
1111
1112static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1113{
582241a0 1114 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1115 __le32 tmp;
1116 int encr_mode, ret;
1117
1118 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
5c52323e 1119 pairwise, groupwise);
bf164cc0 1120
5c52323e 1121 if (pairwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1122 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1123 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1124 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
5c52323e 1125 else if (pairwise & RNDIS_WLAN_ALG_WEP)
aa18294a 1126 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
5c52323e 1127 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1128 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1129 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1130 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0 1131 else
aa18294a 1132 encr_mode = NDIS_80211_ENCR_DISABLED;
bf164cc0
JK		 1133
1134 tmp = cpu_to_le32(encr_mode);
1135 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1136 sizeof(tmp));
1137 if (ret != 0) {
1138 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1139 return ret;
1140 }
1141
1142 priv->wpa_cipher_pair = pairwise;
1143 priv->wpa_cipher_group = groupwise;
1144 return 0;
1145}
1146
1147
bf164cc0
JK		 1148static int set_infra_mode(struct usbnet *usbdev, int mode)
1149{
582241a0 1150 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 1151 __le32 tmp;
b7cfc5b3 1152 int ret;
bf164cc0
JK		 1153
1154 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1155
1156 tmp = cpu_to_le32(mode);
1157 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1158 sizeof(tmp));
1159 if (ret != 0) {
1160 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1161 return ret;
1162 }
1163
1164 /* NDIS drivers clear keys when infrastructure mode is
1165 * changed. But Linux tools assume otherwise. So set the
1166 * keys */
b7cfc5b3 1167 restore_keys(usbdev);
bf164cc0
JK		 1168
1169 priv->infra_mode = mode;
1170 return 0;
1171}
1172
1173
d75ec2b7
JK		 1174static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1175{
1176 __le32 tmp;
1177
1178 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1179
1180 if (rts_threshold < 0 || rts_threshold > 2347)
1181 rts_threshold = 2347;
1182
1183 tmp = cpu_to_le32(rts_threshold);
1184 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1185 sizeof(tmp));
1186}
1187
1188
1189static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1190{
1191 __le32 tmp;
1192
1193 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1194
1195 if (frag_threshold < 256 || frag_threshold > 2346)
1196 frag_threshold = 2346;
1197
1198 tmp = cpu_to_le32(frag_threshold);
1199 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1200 sizeof(tmp));
1201}
1202
1203
bf164cc0
JK		 1204static void set_default_iw_params(struct usbnet *usbdev)
1205{
aa18294a 1206 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
5c52323e
JK		 1207 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1208 RNDIS_WLAN_KEY_MGMT_NONE);
bf164cc0 1209 set_priv_filter(usbdev);
5c52323e 1210 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1211}
1212
1213
1214static int deauthenticate(struct usbnet *usbdev)
1215{
1216 int ret;
1217
1218 ret = disassociate(usbdev, 1);
1219 set_default_iw_params(usbdev);
1220 return ret;
1221}
1222
1223
5c52323e
JK		 1224static int set_channel(struct usbnet *usbdev, int channel)
1225{
1226 struct ndis_80211_conf config;
1227 unsigned int dsconfig;
1228 int len, ret;
1229
1230 devdbg(usbdev, "set_channel(%d)", channel);
1231
1232 /* this OID is valid only when not associated */
1233 if (is_associated(usbdev))
1234 return 0;
1235
1236 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1237
1238 len = sizeof(config);
1239 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1240 if (ret < 0) {
1241 devdbg(usbdev, "set_channel: querying configuration failed");
1242 return ret;
1243 }
1244
1245 config.ds_config = cpu_to_le32(dsconfig);
1246 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1247 sizeof(config));
1248
1249 devdbg(usbdev, "set_channel: %d -> %d", channel, ret);
1250
1251 return ret;
1252}
1253
1254
bf164cc0 1255/* index must be 0 - N, as per NDIS */
5c52323e
JK		 1256static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1257 int index)
bf164cc0 1258{
582241a0 1259 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1260 struct ndis_80211_wep_key ndis_key;
b7cfc5b3 1261 int cipher, ret;
bf164cc0 1262
40ba60dd 1263 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
bf164cc0
JK		 1264 return -EINVAL;
1265
b7cfc5b3
JK		 1266 if (key_len == 5)
1267 cipher = WLAN_CIPHER_SUITE_WEP40;
1268 else
1269 cipher = WLAN_CIPHER_SUITE_WEP104;
1270
bf164cc0
JK		 1271 memset(&ndis_key, 0, sizeof(ndis_key));
1272
461b3f2a
JK		 1273 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1274 ndis_key.length = cpu_to_le32(key_len);
1275 ndis_key.index = cpu_to_le32(index);
1276 memcpy(&ndis_key.material, key, key_len);
bf164cc0
JK		 1277
1278 if (index == priv->encr_tx_key_index) {
aa18294a 1279 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
5c52323e
JK		 1280 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1281 RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1282 if (ret)
1283 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1284 ret);
1285 }
1286
1287 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1288 sizeof(ndis_key));
1289 if (ret != 0) {
1290 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1291 index+1, ret);
1292 return ret;
1293 }
1294
b7cfc5b3
JK		 1295 priv->encr_keys[index].len = key_len;
1296 priv->encr_keys[index].cipher = cipher;
1297 memcpy(&priv->encr_keys[index].material, key, key_len);
1298 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
bf164cc0
JK		 1299
1300 return 0;
1301}
1302
1303
b145ee0c 1304static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
b7cfc5b3
JK		 1305 int index, const u8 *addr, const u8 *rx_seq, int cipher,
1306 int flags)
b145ee0c 1307{
582241a0 1308 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b145ee0c 1309 struct ndis_80211_key ndis_key;
b7cfc5b3 1310 bool is_addr_ok;
b145ee0c
JK		 1311 int ret;
1312
b7cfc5b3
JK		 1313 if (index < 0 || index >= 4) {
1314 devdbg(usbdev, "add_wpa_key: index out of range (%i)", index);
b145ee0c 1315 return -EINVAL;
b7cfc5b3
JK		 1316 }
1317 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1318 devdbg(usbdev, "add_wpa_key: key length out of range (%i)",
1319 key_len);
b145ee0c 1320 return -EINVAL;
b7cfc5b3
JK		 1321 }
1322 if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq) {
1323 devdbg(usbdev, "add_wpa_key: recv seq flag without buffer");
b145ee0c 1324 return -EINVAL;
b7cfc5b3 1325 }
7b1fff99
JK		 1326 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1327 !is_broadcast_ether_addr(addr);
b7cfc5b3
JK		 1328 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1329 devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)",
1330 addr);
b145ee0c 1331 return -EINVAL;
b7cfc5b3 1332 }
b145ee0c
JK		 1333
1334 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
aa18294a
JK		 1335 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1336 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1337 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
b145ee0c
JK		 1338
1339 memset(&ndis_key, 0, sizeof(ndis_key));
1340
1341 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1342 sizeof(ndis_key.material) + key_len);
1343 ndis_key.length = cpu_to_le32(key_len);
1344 ndis_key.index = cpu_to_le32(index) | flags;
1345
b7cfc5b3 1346 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
b145ee0c
JK		 1347 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1348 * different order than NDIS spec, so swap the order here. */
1349 memcpy(ndis_key.material, key, 16);
1350 memcpy(ndis_key.material + 16, key + 24, 8);
1351 memcpy(ndis_key.material + 24, key + 16, 8);
1352 } else
1353 memcpy(ndis_key.material, key, key_len);
1354
aa18294a 1355 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
b145ee0c
JK		 1356 memcpy(ndis_key.rsc, rx_seq, 6);
1357
aa18294a 1358 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
b145ee0c 1359 /* pairwise key */
b7cfc5b3 1360 memcpy(ndis_key.bssid, addr, ETH_ALEN);
b145ee0c
JK		 1361 } else {
1362 /* group key */
aa18294a 1363 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
b145ee0c
JK		 1364 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1365 else
1366 get_bssid(usbdev, ndis_key.bssid);
1367 }
1368
1369 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1370 le32_to_cpu(ndis_key.size));
1371 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1372 if (ret != 0)
1373 return ret;
1374
b7cfc5b3
JK		 1375 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1376 priv->encr_keys[index].len = key_len;
1377 priv->encr_keys[index].cipher = cipher;
1378 memcpy(&priv->encr_keys[index].material, key, key_len);
1379 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1380 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1381 else
1382 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
9839178e 1383
aa18294a 1384 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
b145ee0c
JK		 1385 priv->encr_tx_key_index = index;
1386
1387 return 0;
1388}
1389
1390
b7cfc5b3
JK		 1391static int restore_key(struct usbnet *usbdev, int key_idx)
1392{
1393 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1394 struct rndis_wlan_encr_key key;
1395 int flags;
1396
1397 key = priv->encr_keys[key_idx];
1398
1399 devdbg(usbdev, "restore_key: %i:%s:%i", key_idx,
1400 is_wpa_key(priv, key_idx) ? "wpa" : "wep",
1401 key.len);
1402
1403 if (key.len == 0)
1404 return 0;
1405
1406 if (is_wpa_key(priv, key_idx)) {
1407 flags = 0;
1408
1409 /*if (priv->encr_tx_key_index == key_idx)
1410 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;*/
1411
7b1fff99
JK		 1412 if (!is_zero_ether_addr(key.bssid) &&
1413 !is_broadcast_ether_addr(key.bssid))
b7cfc5b3
JK		 1414 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
1415
1416 return add_wpa_key(usbdev, key.material, key.len, key_idx,
1417 key.bssid, NULL, key.cipher, flags);
1418 }
1419
1420 return add_wep_key(usbdev, key.material, key.len, key_idx);
1421}
1422
1423
1424static void restore_keys(struct usbnet *usbdev)
1425{
1426 int i;
1427
1428 for (i = 0; i < 4; i++)
1429 restore_key(usbdev, i);
1430}
1431
1432
1433static void clear_key(struct rndis_wlan_private *priv, int idx)
1434{
1435 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1436}
1437
1438
bf164cc0
JK		 1439/* remove_key is for both wep and wpa */
1440static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1441{
582241a0 1442 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1443 struct ndis_80211_remove_key remove_key;
bf164cc0 1444 __le32 keyindex;
b7cfc5b3 1445 bool is_wpa;
bf164cc0
JK		 1446 int ret;
1447
b7cfc5b3 1448 if (priv->encr_keys[index].len == 0)
bf164cc0
JK		 1449 return 0;
1450
b7cfc5b3 1451 is_wpa = is_wpa_key(priv, index);
bf164cc0 1452
b7cfc5b3
JK		 1453 devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep",
1454 priv->encr_keys[index].len);
1455
1456 clear_key(priv, index);
1457
1458 if (is_wpa) {
461b3f2a
JK		 1459 remove_key.size = cpu_to_le32(sizeof(remove_key));
1460 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 1461 if (bssid) {
1462 /* pairwise key */
7b1fff99 1463 if (!is_broadcast_ether_addr(bssid))
b4703a2e 1464 remove_key.index |=
aa18294a 1465 NDIS_80211_ADDKEY_PAIRWISE_KEY;
461b3f2a
JK		 1466 memcpy(remove_key.bssid, bssid,
1467 sizeof(remove_key.bssid));
bf164cc0 1468 } else
461b3f2a
JK		 1469 memset(remove_key.bssid, 0xff,
1470 sizeof(remove_key.bssid));
bf164cc0
JK		 1471
1472 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1473 sizeof(remove_key));
1474 if (ret != 0)
1475 return ret;
1476 } else {
1477 keyindex = cpu_to_le32(index);
1478 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1479 sizeof(keyindex));
1480 if (ret != 0) {
1481 devwarn(usbdev,
1482 "removing encryption key %d failed (%08X)",
1483 index, ret);
1484 return ret;
1485 }
1486 }
1487
1488 /* if it is transmit key, disable encryption */
1489 if (index == priv->encr_tx_key_index)
5c52323e 1490 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1491
1492 return 0;
1493}
1494
1495
1496static void set_multicast_list(struct usbnet *usbdev)
1497{
582241a0 1498 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1499 struct dev_mc_list *mclist;
1500 __le32 filter;
1501 int ret, i, size;
1502 char *buf;
1503
1504 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1505
1506 if (usbdev->net->flags & IFF_PROMISC) {
1507 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1508 RNDIS_PACKET_TYPE_ALL_LOCAL;
1509 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1510 usbdev->net->mc_count > priv->multicast_size) {
1511 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1512 } else if (usbdev->net->mc_count > 0) {
1513 size = min(priv->multicast_size, usbdev->net->mc_count);
1514 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1515 if (!buf) {
1516 devwarn(usbdev,
1517 "couldn't alloc %d bytes of memory",
1518 size * ETH_ALEN);
1519 return;
1520 }
1521
1522 mclist = usbdev->net->mc_list;
1523 for (i = 0; i < size && mclist; mclist = mclist->next) {
1524 if (mclist->dmi_addrlen != ETH_ALEN)
1525 continue;
1526
1527 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1528 i++;
1529 }
1530
1531 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1532 i * ETH_ALEN);
1533 if (ret == 0 && i > 0)
1534 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1535 else
1536 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1537
1538 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1539 i, priv->multicast_size, ret);
1540
1541 kfree(buf);
1542 }
1543
1544 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1545 sizeof(filter));
1546 if (ret < 0) {
1547 devwarn(usbdev, "couldn't set packet filter: %08x",
1548 le32_to_cpu(filter));
1549 }
1550
1551 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1552 le32_to_cpu(filter), ret);
1553}
1554
1555
964c1d41
JL		 1556/*
1557 * cfg80211 ops
1558 */
e36d56b6
JB		 1559static int rndis_change_virtual_intf(struct wiphy *wiphy,
1560 struct net_device *dev,
964c1d41
JL		 1561 enum nl80211_iftype type, u32 *flags,
1562 struct vif_params *params)
1563{
16139172
JK		 1564 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1565 struct usbnet *usbdev = priv->usbdev;
964c1d41
JL		 1566 int mode;
1567
964c1d41
JL		 1568 switch (type) {
1569 case NL80211_IFTYPE_ADHOC:
aa18294a 1570 mode = NDIS_80211_INFRA_ADHOC;
964c1d41
JL		 1571 break;
1572 case NL80211_IFTYPE_STATION:
aa18294a 1573 mode = NDIS_80211_INFRA_INFRA;
964c1d41
JL		 1574 break;
1575 default:
1576 return -EINVAL;
1577 }
1578
16139172
JK		 1579 priv->wdev.iftype = type;
1580
964c1d41
JL		 1581 return set_infra_mode(usbdev, mode);
1582}
1583
71a7b26d 1584
d75ec2b7
JK		 1585static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1586{
1587 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1588 struct usbnet *usbdev = priv->usbdev;
1589 int err;
1590
1591 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1592 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1593 if (err < 0)
1594 return err;
1595 }
1596
1597 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1598 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1599 if (err < 0)
1600 return err;
1601 }
1602
1603 return 0;
1604}
1605
1606
222ec50a
JK		 1607static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1608 int dbm)
1609{
1610 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1611 struct usbnet *usbdev = priv->usbdev;
1612
1613 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1614
1615 /* Device doesn't support changing txpower after initialization, only
1616 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1617 * currently used.
1618 */
1619 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1620 if (!priv->radio_on)
1621 disassociate(usbdev, 1); /* turn on radio */
1622
1623 return 0;
1624 }
1625
1626 return -ENOTSUPP;
1627}
1628
1629
1630static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1631{
1632 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1633 struct usbnet *usbdev = priv->usbdev;
1634
1635 *dbm = get_bcm4320_power_dbm(priv);
1636
1637 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1638
1639 return 0;
1640}
1641
1642
b1d25a67 1643#define SCAN_DELAY_JIFFIES (6 * HZ)
71a7b26d
JK		 1644static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1645 struct cfg80211_scan_request *request)
1646{
1647 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1648 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d
JK		 1649 int ret;
1650 __le32 tmp;
1651
1652 devdbg(usbdev, "cfg80211.scan");
1653
db0dd396
JK		 1654 /* Get current bssid list from device before new scan, as new scan
1655 * clears internal bssid list.
1656 */
1657 rndis_check_bssid_list(usbdev);
1658
71a7b26d
JK		 1659 if (!request)
1660 return -EINVAL;
1661
1662 if (priv->scan_request && priv->scan_request != request)
1663 return -EBUSY;
1664
1665 priv->scan_request = request;
1666
1667 tmp = cpu_to_le32(1);
1668 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1669 sizeof(tmp));
1670 if (ret == 0) {
1671 /* Wait before retrieving scan results from device */
1672 queue_delayed_work(priv->workqueue, &priv->scan_work,
1673 SCAN_DELAY_JIFFIES);
1674 }
1675
1676 return ret;
1677}
1678
1679
1680static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1681 struct ndis_80211_bssid_ex *bssid)
1682{
582241a0 1683 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d
JK		 1684 struct ieee80211_channel *channel;
1685 s32 signal;
1686 u64 timestamp;
1687 u16 capability;
1688 u16 beacon_interval;
1689 struct ndis_80211_fixed_ies *fixed;
1690 int ie_len, bssid_len;
1691 u8 *ie;
1692
5fd8f250
JK		 1693 devdbg(usbdev, " found bssid: '%.32s' [%pM]", bssid->ssid.essid,
1694 bssid->mac);
1695
71a7b26d
JK		 1696 /* parse bssid structure */
1697 bssid_len = le32_to_cpu(bssid->length);
1698
1699 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1700 sizeof(struct ndis_80211_fixed_ies))
1701 return NULL;
1702
1703 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1704
1705 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1706 ie_len = min(bssid_len - (int)sizeof(*bssid),
1707 (int)le32_to_cpu(bssid->ie_length));
1708 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1709 if (ie_len < 0)
1710 return NULL;
1711
1712 /* extract data for cfg80211_inform_bss */
1713 channel = ieee80211_get_channel(priv->wdev.wiphy,
1714 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1715 if (!channel)
1716 return NULL;
1717
1718 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1719 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1720 capability = le16_to_cpu(fixed->capabilities);
1721 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1722
1723 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1724 timestamp, capability, beacon_interval, ie, ie_len, signal,
1725 GFP_KERNEL);
1726}
1727
1728
1729static int rndis_check_bssid_list(struct usbnet *usbdev)
1730{
1731 void *buf = NULL;
1732 struct ndis_80211_bssid_list_ex *bssid_list;
1733 struct ndis_80211_bssid_ex *bssid;
1734 int ret = -EINVAL, len, count, bssid_len;
5fd8f250 1735 bool resized = false;
71a7b26d
JK		 1736
1737 devdbg(usbdev, "check_bssid_list");
1738
1739 len = CONTROL_BUFFER_SIZE;
5fd8f250 1740resize_buf:
71a7b26d
JK		 1741 buf = kmalloc(len, GFP_KERNEL);
1742 if (!buf) {
1743 ret = -ENOMEM;
1744 goto out;
1745 }
1746
1747 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1748 if (ret != 0)
1749 goto out;
1750
5fd8f250
JK		 1751 if (!resized && len > CONTROL_BUFFER_SIZE) {
1752 resized = true;
1753 kfree(buf);
1754 goto resize_buf;
1755 }
1756
71a7b26d
JK		 1757 bssid_list = buf;
1758 bssid = bssid_list->bssid;
1759 bssid_len = le32_to_cpu(bssid->length);
1760 count = le32_to_cpu(bssid_list->num_items);
5fd8f250
JK		 1761 devdbg(usbdev, "check_bssid_list: %d BSSIDs found (buflen: %d)", count,
1762 len);
71a7b26d
JK		 1763
1764 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1765 rndis_bss_info_update(usbdev, bssid);
1766
1767 bssid = (void *)bssid + bssid_len;
1768 bssid_len = le32_to_cpu(bssid->length);
1769 count--;
1770 }
1771
1772out:
1773 kfree(buf);
1774 return ret;
1775}
1776
1777
1778static void rndis_get_scan_results(struct work_struct *work)
1779{
582241a0
JK		 1780 struct rndis_wlan_private *priv =
1781 container_of(work, struct rndis_wlan_private, scan_work.work);
71a7b26d
JK		 1782 struct usbnet *usbdev = priv->usbdev;
1783 int ret;
1784
1785 devdbg(usbdev, "get_scan_results");
1786
005ba2f1
JK		 1787 if (!priv->scan_request)
1788 return;
1789
71a7b26d
JK		 1790 ret = rndis_check_bssid_list(usbdev);
1791
1792 cfg80211_scan_done(priv->scan_request, ret < 0);
1793
1794 priv->scan_request = NULL;
1795}
1796
5c52323e
JK		 1797static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
1798 struct cfg80211_connect_params *sme)
1799{
1800 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1801 struct usbnet *usbdev = priv->usbdev;
1802 struct ieee80211_channel *channel = sme->channel;
1803 struct ndis_80211_ssid ssid;
1804 int pairwise = RNDIS_WLAN_ALG_NONE;
1805 int groupwise = RNDIS_WLAN_ALG_NONE;
1806 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
1807 int length, i, ret, chan = -1;
1808
1809 if (channel)
1810 chan = ieee80211_frequency_to_channel(channel->center_freq);
1811
1812 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
1813 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
1814 pairwise |=
1815 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
1816
1817 if (sme->crypto.n_ciphers_pairwise > 0 &&
1818 pairwise == RNDIS_WLAN_ALG_NONE) {
1819 deverr(usbdev, "Unsupported pairwise cipher");
1820 return -ENOTSUPP;
1821 }
1822
1823 for (i = 0; i < sme->crypto.n_akm_suites; i++)
1824 keymgmt |=
1825 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
1826
1827 if (sme->crypto.n_akm_suites > 0 &&
1828 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
1829 deverr(usbdev, "Invalid keymgmt");
1830 return -ENOTSUPP;
1831 }
1832
1833 devdbg(usbdev, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:"
1834 "0x%x]:0x%x)", sme->ssid, sme->bssid, chan,
1835 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
1836 groupwise, pairwise, keymgmt);
1837
1838 if (is_associated(usbdev))
1839 disassociate(usbdev, false);
1840
1841 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1842 if (ret < 0) {
1843 devdbg(usbdev, "connect: set_infra_mode failed, %d", ret);
1844 goto err_turn_radio_on;
1845 }
1846
1847 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
1848 keymgmt);
1849 if (ret < 0) {
1850 devdbg(usbdev, "connect: set_auth_mode failed, %d", ret);
1851 goto err_turn_radio_on;
1852 }
1853
1854 set_priv_filter(usbdev);
1855
1856 ret = set_encr_mode(usbdev, pairwise, groupwise);
1857 if (ret < 0) {
1858 devdbg(usbdev, "connect: set_encr_mode failed, %d", ret);
1859 goto err_turn_radio_on;
1860 }
1861
1862 if (channel) {
1863 ret = set_channel(usbdev, chan);
1864 if (ret < 0) {
1865 devdbg(usbdev, "connect: set_channel failed, %d", ret);
1866 goto err_turn_radio_on;
1867 }
1868 }
1869
1870 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
1871 priv->encr_tx_key_index = sme->key_idx;
1872 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
1873 if (ret < 0) {
1874 devdbg(usbdev, "connect: add_wep_key failed, %d "
1875 "(%d, %d)", ret, sme->key_len, sme->key_idx);
1876 goto err_turn_radio_on;
1877 }
1878 }
1879
1880 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
1881 !is_broadcast_ether_addr(sme->bssid)) {
1882 ret = set_bssid(usbdev, sme->bssid);
1883 if (ret < 0) {
1884 devdbg(usbdev, "connect: set_bssid failed, %d", ret);
1885 goto err_turn_radio_on;
1886 }
1887 } else
1888 clear_bssid(usbdev);
1889
1890 length = sme->ssid_len;
1891 if (length > NDIS_802_11_LENGTH_SSID)
1892 length = NDIS_802_11_LENGTH_SSID;
1893
1894 memset(&ssid, 0, sizeof(ssid));
1895 ssid.length = cpu_to_le32(length);
1896 memcpy(ssid.essid, sme->ssid, length);
1897
1898 /* Pause and purge rx queue, so we don't pass packets before
1899 * 'media connect'-indication.
1900 */
1901 usbnet_pause_rx(usbdev);
1902 usbnet_purge_paused_rxq(usbdev);
1903
1904 ret = set_essid(usbdev, &ssid);
1905 if (ret < 0)
1906 devdbg(usbdev, "connect: set_essid failed, %d", ret);
1907 return ret;
1908
1909err_turn_radio_on:
1910 disassociate(usbdev, 1);
1911
1912 return ret;
1913}
1914
1915static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
1916 u16 reason_code)
1917{
1918 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1919 struct usbnet *usbdev = priv->usbdev;
1920
1921 devdbg(usbdev, "cfg80211.disconnect(%d)", reason_code);
1922
1923 priv->connected = false;
1924
1925 return deauthenticate(usbdev);
1926}
1927
1928static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1929 struct cfg80211_ibss_params *params)
1930{
1931 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1932 struct usbnet *usbdev = priv->usbdev;
1933 struct ieee80211_channel *channel = params->channel;
1934 struct ndis_80211_ssid ssid;
1935 enum nl80211_auth_type auth_type;
1936 int ret, alg, length, chan = -1;
1937
1938 if (channel)
1939 chan = ieee80211_frequency_to_channel(channel->center_freq);
1940
1941 /* TODO: How to handle ad-hoc encryption?
1942 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
1943 * pre-shared for encryption (open/shared/wpa), is key set before
1944 * join_ibss? Which auth_type to use (not in params)? What about WPA?
1945 */
1946 if (params->privacy) {
1947 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
1948 alg = RNDIS_WLAN_ALG_WEP;
1949 } else {
1950 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1951 alg = RNDIS_WLAN_ALG_NONE;
1952 }
1953
1954 devdbg(usbdev, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)", params->ssid,
1955 params->bssid, chan, params->privacy);
1956
1957 if (is_associated(usbdev))
1958 disassociate(usbdev, false);
1959
1960 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
1961 if (ret < 0) {
1962 devdbg(usbdev, "join_ibss: set_infra_mode failed, %d", ret);
1963 goto err_turn_radio_on;
1964 }
1965
1966 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
1967 if (ret < 0) {
1968 devdbg(usbdev, "join_ibss: set_auth_mode failed, %d", ret);
1969 goto err_turn_radio_on;
1970 }
1971
1972 set_priv_filter(usbdev);
1973
1974 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
1975 if (ret < 0) {
1976 devdbg(usbdev, "join_ibss: set_encr_mode failed, %d", ret);
1977 goto err_turn_radio_on;
1978 }
1979
1980 if (channel) {
1981 ret = set_channel(usbdev, chan);
1982 if (ret < 0) {
1983 devdbg(usbdev, "join_ibss: set_channel failed, %d",
1984 ret);
1985 goto err_turn_radio_on;
1986 }
1987 }
1988
1989 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
1990 !is_broadcast_ether_addr(params->bssid)) {
1991 ret = set_bssid(usbdev, params->bssid);
1992 if (ret < 0) {
1993 devdbg(usbdev, "join_ibss: set_bssid failed, %d", ret);
1994 goto err_turn_radio_on;
1995 }
1996 } else
1997 clear_bssid(usbdev);
1998
1999 length = params->ssid_len;
2000 if (length > NDIS_802_11_LENGTH_SSID)
2001 length = NDIS_802_11_LENGTH_SSID;
2002
2003 memset(&ssid, 0, sizeof(ssid));
2004 ssid.length = cpu_to_le32(length);
2005 memcpy(ssid.essid, params->ssid, length);
2006
2007 /* Don't need to pause rx queue for ad-hoc. */
2008 usbnet_purge_paused_rxq(usbdev);
2009 usbnet_resume_rx(usbdev);
2010
2011 ret = set_essid(usbdev, &ssid);
2012 if (ret < 0)
2013 devdbg(usbdev, "join_ibss: set_essid failed, %d", ret);
2014 return ret;
2015
2016err_turn_radio_on:
2017 disassociate(usbdev, 1);
2018
2019 return ret;
2020}
2021
2022static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2023{
2024 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2025 struct usbnet *usbdev = priv->usbdev;
2026
2027 devdbg(usbdev, "cfg80211.leave_ibss()");
2028
2029 priv->connected = false;
2030
2031 return deauthenticate(usbdev);
2032}
2033
5554adbe
JK		 2034static int rndis_set_channel(struct wiphy *wiphy,
2035 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2036{
2037 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2038 struct usbnet *usbdev = priv->usbdev;
2039
2040 return set_channel(usbdev,
2041 ieee80211_frequency_to_channel(chan->center_freq));
2042}
71a7b26d 2043
bf164cc0
JK		 2044/*
2045 * wireless extension handlers
2046 */
2047
2048static int rndis_iw_commit(struct net_device *dev,
2049 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2050{
2051 /* dummy op */
2052 return 0;
2053}
2054
5c52323e
JK		 2055#if 0
2056/* Commented code out instead of removing to have more sane patch for review.
2057 * Will be removed later in the set.
2058 */
bf164cc0
JK		 2059static int rndis_iw_set_essid(struct net_device *dev,
2060 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
2061{
1e41e1d2 2062 struct ndis_80211_ssid ssid;
bf164cc0 2063 int length = wrqu->essid.length;
524ad0a7 2064 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 2065
2066 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
2067 wrqu->essid.flags, wrqu->essid.length, essid);
2068
2069 if (length > NDIS_802_11_LENGTH_SSID)
2070 length = NDIS_802_11_LENGTH_SSID;
2071
461b3f2a 2072 ssid.length = cpu_to_le32(length);
bf164cc0 2073 if (length > 0)
461b3f2a 2074 memcpy(ssid.essid, essid, length);
bf164cc0 2075 else
461b3f2a 2076 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
bf164cc0
JK		 2077
2078 set_assoc_params(usbdev);
2079
2080 if (!wrqu->essid.flags || length == 0)
2081 return disassociate(usbdev, 1);
7834ddbc
JK		 2082 else {
2083 /* Pause and purge rx queue, so we don't pass packets before
2084 * 'media connect'-indication.
2085 */
2086 usbnet_pause_rx(usbdev);
2087 usbnet_purge_paused_rxq(usbdev);
2088
bf164cc0 2089 return set_essid(usbdev, &ssid);
7834ddbc 2090 }
bf164cc0
JK		 2091}
2092
2093
2094static int rndis_iw_get_essid(struct net_device *dev,
2095 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
2096{
1e41e1d2 2097 struct ndis_80211_ssid ssid;
524ad0a7 2098 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 2099 int ret;
2100
2101 ret = get_essid(usbdev, &ssid);
2102
461b3f2a 2103 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
bf164cc0 2104 wrqu->essid.flags = 1;
461b3f2a
JK		 2105 wrqu->essid.length = le32_to_cpu(ssid.length);
2106 memcpy(essid, ssid.essid, wrqu->essid.length);
bf164cc0
JK		 2107 essid[wrqu->essid.length] = 0;
2108 } else {
2109 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
2110 wrqu->essid.flags = 0;
2111 wrqu->essid.length = 0;
2112 }
2113 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
2114 return ret;
2115}
2116
2117
2118static int rndis_iw_get_bssid(struct net_device *dev,
2119 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2120{
524ad0a7 2121 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 2122 unsigned char bssid[ETH_ALEN];
2123 int ret;
bf164cc0
JK		 2124
2125 ret = get_bssid(usbdev, bssid);
2126
2127 if (ret == 0)
e174961c 2128 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
bf164cc0
JK		 2129 else
2130 devdbg(usbdev, "SIOCGIWAP: <not associated>");
2131
2132 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
2133 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
2134
2135 return ret;
2136}
2137
2138
2139static int rndis_iw_set_bssid(struct net_device *dev,
2140 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2141{
524ad0a7 2142 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0 2143 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
bf164cc0
JK		 2144 int ret;
2145
e174961c 2146 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
bf164cc0
JK		 2147
2148 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
2149
2150 /* user apps may set ap's mac address, which is not required;
2151 * they may fail to work if this function fails, so return
2152 * success */
2153 if (ret)
2154 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
2155
2156 return 0;
2157}
2158
2159
2160static int rndis_iw_set_auth(struct net_device *dev,
2161 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2162{
2163 struct iw_param *p = &wrqu->param;
524ad0a7 2164 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2165 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2166 int ret = -ENOTSUPP;
2167
2168 switch (p->flags & IW_AUTH_INDEX) {
2169 case IW_AUTH_WPA_VERSION:
2170 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
2171 priv->wpa_version = p->value;
2172 ret = 0;
2173 break;
2174
2175 case IW_AUTH_CIPHER_PAIRWISE:
2176 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
2177 priv->wpa_cipher_pair = p->value;
2178 ret = 0;
2179 break;
2180
2181 case IW_AUTH_CIPHER_GROUP:
2182 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
2183 priv->wpa_cipher_group = p->value;
2184 ret = 0;
2185 break;
2186
2187 case IW_AUTH_KEY_MGMT:
2188 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
2189 priv->wpa_keymgmt = p->value;
2190 ret = 0;
2191 break;
2192
2193 case IW_AUTH_TKIP_COUNTERMEASURES:
2194 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
2195 p->value);
2196 ret = 0;
2197 break;
2198
2199 case IW_AUTH_DROP_UNENCRYPTED:
2200 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
2201 ret = 0;
2202 break;
2203
2204 case IW_AUTH_80211_AUTH_ALG:
2205 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
2206 priv->wpa_authalg = p->value;
2207 ret = 0;
2208 break;
2209
2210 case IW_AUTH_WPA_ENABLED:
2211 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
2212 if (wrqu->param.value)
2213 deauthenticate(usbdev);
2214 ret = 0;
2215 break;
2216
2217 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
2218 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
2219 p->value);
2220 ret = 0;
2221 break;
2222
2223 case IW_AUTH_ROAMING_CONTROL:
2224 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
2225 ret = 0;
2226 break;
2227
2228 case IW_AUTH_PRIVACY_INVOKED:
2229 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
2230 wrqu->param.flags & IW_AUTH_INDEX);
2231 return -EOPNOTSUPP;
2232
2233 default:
2234 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
2235 p->flags & IW_AUTH_INDEX, p->value);
2236 }
2237 return ret;
2238}
2239
2240
2241static int rndis_iw_get_auth(struct net_device *dev,
2242 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2243{
2244 struct iw_param *p = &wrqu->param;
524ad0a7 2245 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2246 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2247
2248 switch (p->flags & IW_AUTH_INDEX) {
2249 case IW_AUTH_WPA_VERSION:
2250 p->value = priv->wpa_version;
2251 break;
2252 case IW_AUTH_CIPHER_PAIRWISE:
2253 p->value = priv->wpa_cipher_pair;
2254 break;
2255 case IW_AUTH_CIPHER_GROUP:
2256 p->value = priv->wpa_cipher_group;
2257 break;
2258 case IW_AUTH_KEY_MGMT:
2259 p->value = priv->wpa_keymgmt;
2260 break;
2261 case IW_AUTH_80211_AUTH_ALG:
2262 p->value = priv->wpa_authalg;
2263 break;
2264 default:
2265 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
2266 wrqu->param.flags & IW_AUTH_INDEX);
2267 return -EOPNOTSUPP;
2268 }
2269 return 0;
2270}
5c52323e 2271#endif
bf164cc0
JK		 2272
2273
bf164cc0
JK		 2274static int rndis_iw_set_encode(struct net_device *dev,
2275 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2276{
524ad0a7 2277 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2278 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b7cfc5b3 2279 struct rndis_wlan_encr_key key;
bf164cc0 2280 int ret, index, key_len;
b7cfc5b3 2281 u8 *keybuf;
bf164cc0
JK		 2282
2283 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
2284
2285 /* iwconfig gives index as 1 - N */
2286 if (index > 0)
2287 index--;
2288 else
2289 index = priv->encr_tx_key_index;
2290
2291 if (index < 0 || index >= 4) {
2292 devwarn(usbdev, "encryption index out of range (%u)", index);
2293 return -EINVAL;
2294 }
2295
2296 /* remove key if disabled */
2297 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
2298 if (remove_key(usbdev, index, NULL))
2299 return -EINVAL;
2300 else
2301 return 0;
2302 }
2303
2304 /* global encryption state (for all keys) */
2305 if (wrqu->data.flags & IW_ENCODE_OPEN)
5c52323e
JK		 2306 ret = set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
2307 RNDIS_WLAN_KEY_MGMT_NONE);
bf164cc0 2308 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
5c52323e
JK		 2309 ret = set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_SHARED_KEY,
2310 RNDIS_WLAN_KEY_MGMT_NONE);
bf164cc0
JK		 2311 if (ret != 0)
2312 return ret;
2313
2314 if (wrqu->data.length > 0) {
2315 key_len = wrqu->data.length;
b7cfc5b3 2316 keybuf = extra;
bf164cc0
JK		 2317 } else {
2318 /* must be set as tx key */
b7cfc5b3 2319 if (priv->encr_keys[index].len == 0)
bf164cc0 2320 return -EINVAL;
bf164cc0 2321 key = priv->encr_keys[index];
b7cfc5b3
JK		 2322 key_len = key.len;
2323 keybuf = key.material;
bf164cc0
JK		 2324 priv->encr_tx_key_index = index;
2325 }
2326
b7cfc5b3 2327 if (add_wep_key(usbdev, keybuf, key_len, index) != 0)
bf164cc0
JK		 2328 return -EINVAL;
2329
2330 if (index == priv->encr_tx_key_index)
2331 /* ndis drivers want essid to be set after setting encr */
2332 set_essid(usbdev, &priv->essid);
2333
2334 return 0;
2335}
2336
2337
2338static int rndis_iw_set_encode_ext(struct net_device *dev,
2339 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2340{
2341 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
524ad0a7 2342 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2343 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b7cfc5b3 2344 int keyidx, flags, cipher;
bf164cc0
JK		 2345
2346 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
2347
2348 /* iwconfig gives index as 1 - N */
2349 if (keyidx)
2350 keyidx--;
2351 else
2352 keyidx = priv->encr_tx_key_index;
2353
b7cfc5b3
JK		 2354 if (keyidx < 0 || keyidx >= 4) {
2355 devwarn(usbdev, "encryption index out of range (%u)", keyidx);
bf164cc0 2356 return -EINVAL;
b7cfc5b3 2357 }
bf164cc0 2358
5c52323e 2359 if (ext->alg == IW_ENCODE_ALG_WEP) {
bf164cc0
JK		 2360 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2361 priv->encr_tx_key_index = keyidx;
2362 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
2363 }
2364
b7cfc5b3
JK		 2365 cipher = -1;
2366 if (ext->alg == IW_ENCODE_ALG_TKIP)
2367 cipher = WLAN_CIPHER_SUITE_TKIP;
2368 else if (ext->alg == IW_ENCODE_ALG_CCMP)
2369 cipher = WLAN_CIPHER_SUITE_CCMP;
2370
bf164cc0
JK		 2371 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
2372 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
2373 return remove_key(usbdev, keyidx, NULL);
2374
b7cfc5b3
JK		 2375 if (cipher == -1)
2376 return -EOPNOTSUPP;
2377
b145ee0c
JK		 2378 flags = 0;
2379 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
aa18294a 2380 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
b145ee0c 2381 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
aa18294a 2382 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
bf164cc0 2383 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
aa18294a 2384 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
bf164cc0 2385
b7cfc5b3
JK		 2386 return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx,
2387 (u8 *)&ext->addr.sa_data, ext->rx_seq, cipher,
2388 flags);
bf164cc0
JK		 2389}
2390
2391
bf164cc0
JK		 2392static int rndis_iw_get_rate(struct net_device *dev,
2393 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2394{
524ad0a7 2395 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 2396 __le32 tmp;
2397 int ret, len;
2398
2399 len = sizeof(tmp);
2400 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2401 if (ret == 0) {
2402 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2403 wrqu->bitrate.disabled = 0;
2404 wrqu->bitrate.flags = 1;
2405 }
2406 return ret;
2407}
2408
2409
bf164cc0
JK		 2410static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2411{
524ad0a7 2412 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2413 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2414 unsigned long flags;
2415
2416 spin_lock_irqsave(&priv->stats_lock, flags);
2417 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2418 spin_unlock_irqrestore(&priv->stats_lock, flags);
2419
2420 return &priv->iwstats;
2421}
2422
2423
2424#define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2425static const iw_handler rndis_iw_handler[] =
2426{
2427 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
5c8fa4f7 2428 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
5554adbe
JK		 2429 IW_IOCTL(SIOCSIWFREQ) = (iw_handler) cfg80211_wext_siwfreq,
2430 IW_IOCTL(SIOCGIWFREQ) = (iw_handler) cfg80211_wext_giwfreq,
964c1d41
JL		 2431 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2432 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
4d2a369e 2433 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
5c52323e
JK		 2434 IW_IOCTL(SIOCSIWAP) = (iw_handler) cfg80211_wext_siwap,
2435 IW_IOCTL(SIOCGIWAP) = (iw_handler) cfg80211_wext_giwap,
71a7b26d
JK		 2436 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2437 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
5c52323e
JK		 2438 IW_IOCTL(SIOCSIWESSID) = (iw_handler) cfg80211_wext_siwessid,
2439 IW_IOCTL(SIOCGIWESSID) = (iw_handler) cfg80211_wext_giwessid,
bf164cc0 2440 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
d75ec2b7
JK		 2441 IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
2442 IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
2443 IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
2444 IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
222ec50a
JK		 2445 IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
2446 IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
bf164cc0
JK		 2447 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2448 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
5c52323e
JK		 2449 IW_IOCTL(SIOCSIWAUTH) = (iw_handler) cfg80211_wext_siwauth,
2450 IW_IOCTL(SIOCGIWAUTH) = (iw_handler) cfg80211_wext_giwauth,
2451 IW_IOCTL(SIOCSIWGENIE) = (iw_handler) cfg80211_wext_siwgenie,
2452 IW_IOCTL(SIOCSIWMLME) = (iw_handler) cfg80211_wext_siwmlme,
bf164cc0
JK		 2453};
2454
582241a0 2455static const iw_handler rndis_wlan_private_handler[] = {
bf164cc0
JK		 2456};
2457
582241a0 2458static const struct iw_priv_args rndis_wlan_private_args[] = {
bf164cc0
JK		 2459};
2460
2461
2462static const struct iw_handler_def rndis_iw_handlers = {
2463 .num_standard = ARRAY_SIZE(rndis_iw_handler),
582241a0
JK		 2464 .num_private = ARRAY_SIZE(rndis_wlan_private_handler),
2465 .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
bf164cc0 2466 .standard = (iw_handler *)rndis_iw_handler,
582241a0
JK		 2467 .private = (iw_handler *)rndis_wlan_private_handler,
2468 .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
bf164cc0
JK		 2469 .get_wireless_stats = rndis_get_wireless_stats,
2470};
2471
2472
0848e6c6 2473static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
bf164cc0 2474{
5c52323e 2475 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
4364623c 2476 struct ndis_80211_assoc_info *info;
0848e6c6
JK		 2477 u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32];
2478 u8 bssid[ETH_ALEN];
5c52323e
JK		 2479 int resp_ie_len, req_ie_len;
2480 u8 *req_ie, *resp_ie;
4364623c 2481 int ret, offset;
5c52323e 2482 bool roamed = false;
bf164cc0 2483
5c52323e
JK		 2484 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2485 /* received media connect indication while connected, either
2486 * device reassociated with same AP or roamed to new. */
2487 roamed = true;
2488 }
0848e6c6 2489
5c52323e
JK		 2490 req_ie_len = 0;
2491 resp_ie_len = 0;
2492 req_ie = NULL;
2493 resp_ie = NULL;
2494
2495 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2496 memset(assoc_buf, 0, sizeof(assoc_buf));
2497 info = (void *)assoc_buf;
2498
2499 /* Get association info IEs from device and send them back to
2500 * userspace. */
2501 ret = get_association_info(usbdev, info, sizeof(assoc_buf));
2502 if (!ret) {
2503 req_ie_len = le32_to_cpu(info->req_ie_length);
2504 if (req_ie_len > 0) {
2505 offset = le32_to_cpu(info->offset_req_ies);
2506 req_ie = (u8 *)info + offset;
2507 }
2508
2509 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2510 if (resp_ie_len > 0) {
2511 offset = le32_to_cpu(info->offset_resp_ies);
2512 resp_ie = (u8 *)info + offset;
2513 }
4364623c 2514 }
5c52323e
JK		 2515 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2516 return;
4364623c 2517
5c52323e
JK		 2518 ret = get_bssid(usbdev, bssid);
2519 if (ret < 0)
2520 memset(bssid, 0, sizeof(bssid));
7834ddbc 2521
5c52323e 2522 devdbg(usbdev, "link up work: [%pM] %s", bssid, roamed ? "roamed" : "");
bf164cc0 2523
5c52323e
JK		 2524 /* Internal bss list in device always contains at least the currently
2525 * connected bss and we can get it to cfg80211 with
2526 * rndis_check_bssid_list().
2527 * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS
2528 * spec.
2529 */
2530 rndis_check_bssid_list(usbdev);
2531
2532 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2533 if (!roamed)
2534 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2535 req_ie_len, resp_ie,
2536 resp_ie_len, 0, GFP_KERNEL);
2537 else
2538 cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len,
2539 resp_ie, resp_ie_len, GFP_KERNEL);
2540 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2541 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2542
2543 priv->connected = true;
6010ce07 2544
0848e6c6 2545 usbnet_resume_rx(usbdev);
5c52323e 2546 netif_carrier_on(usbdev->net);
0848e6c6
JK		 2547}
2548
2549static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2550{
2551 union iwreq_data evt;
2552
2553 netif_carrier_off(usbdev->net);
2554
2555 evt.data.flags = 0;
2556 evt.data.length = 0;
2557 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2558 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2559}
2560
2561static void rndis_wlan_worker(struct work_struct *work)
2562{
2563 struct rndis_wlan_private *priv =
2564 container_of(work, struct rndis_wlan_private, work);
2565 struct usbnet *usbdev = priv->usbdev;
2566
2567 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2568 rndis_wlan_do_link_up_work(usbdev);
2569
2570 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2571 rndis_wlan_do_link_down_work(usbdev);
2572
bf164cc0
JK		 2573 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2574 set_multicast_list(usbdev);
2575}
2576
582241a0 2577static void rndis_wlan_set_multicast_list(struct net_device *dev)
bf164cc0 2578{
524ad0a7 2579 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2580 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2581
a67edb9e
JK		 2582 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2583 return;
2584
bf164cc0
JK		 2585 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2586 queue_work(priv->workqueue, &priv->work);
2587}
2588
030645ac
JK		 2589
2590static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2591 struct ndis_80211_status_indication *indication,
2592 int len)
2593{
2594 u8 *buf;
2595 const char *type;
2596 int flags, buflen;
2597 bool pairwise_error, group_error;
2598 struct ndis_80211_auth_request *auth_req;
2599
2600 /* must have at least one array entry */
2601 if (len < offsetof(struct ndis_80211_status_indication, u) +
2602 sizeof(struct ndis_80211_auth_request)) {
2603 devinfo(usbdev, "authentication indication: "
2604 "too short message (%i)", len);
2605 return;
2606 }
2607
2608 buf = (void *)&indication->u.auth_request[0];
2609 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2610
2611 while (buflen >= sizeof(*auth_req)) {
2612 auth_req = (void *)buf;
2613 type = "unknown";
2614 flags = le32_to_cpu(auth_req->flags);
2615 pairwise_error = false;
2616 group_error = false;
2617
2618 if (flags & 0x1)
2619 type = "reauth request";
2620 if (flags & 0x2)
2621 type = "key update request";
2622 if (flags & 0x6) {
2623 pairwise_error = true;
2624 type = "pairwise_error";
2625 }
2626 if (flags & 0xe) {
2627 group_error = true;
2628 type = "group_error";
2629 }
2630
2631 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2632 le32_to_cpu(auth_req->flags));
2633
2634 if (pairwise_error || group_error) {
2635 union iwreq_data wrqu;
2636 struct iw_michaelmicfailure micfailure;
2637
2638 memset(&micfailure, 0, sizeof(micfailure));
2639 if (pairwise_error)
2640 micfailure.flags |= IW_MICFAILURE_PAIRWISE;
2641 if (group_error)
2642 micfailure.flags |= IW_MICFAILURE_GROUP;
2643
2644 memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
2645 ETH_ALEN);
2646
2647 memset(&wrqu, 0, sizeof(wrqu));
2648 wrqu.data.length = sizeof(micfailure);
2649 wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
2650 &wrqu, (u8 *)&micfailure);
2651 }
2652
2653 buflen -= le32_to_cpu(auth_req->length);
2654 buf += le32_to_cpu(auth_req->length);
2655 }
2656}
2657
2658static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2659 struct ndis_80211_status_indication *indication,
2660 int len)
2661{
2662 struct ndis_80211_pmkid_cand_list *cand_list;
2663 int list_len, expected_len, i;
2664
2665 if (len < offsetof(struct ndis_80211_status_indication, u) +
2666 sizeof(struct ndis_80211_pmkid_cand_list)) {
2667 devinfo(usbdev, "pmkid candidate list indication: "
2668 "too short message (%i)", len);
2669 return;
2670 }
2671
2672 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2673 sizeof(struct ndis_80211_pmkid_candidate);
2674 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2675 offsetof(struct ndis_80211_status_indication, u);
2676
2677 if (len < expected_len) {
2678 devinfo(usbdev, "pmkid candidate list indication: "
2679 "list larger than buffer (%i < %i)",
2680 len, expected_len);
2681 return;
2682 }
2683
2684 cand_list = &indication->u.cand_list;
2685
2686 devinfo(usbdev, "pmkid candidate list indication: "
2687 "version %i, candidates %i",
2688 le32_to_cpu(cand_list->version),
2689 le32_to_cpu(cand_list->num_candidates));
2690
2691 if (le32_to_cpu(cand_list->version) != 1)
2692 return;
2693
2694 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2695 struct iw_pmkid_cand pcand;
2696 union iwreq_data wrqu;
2697 struct ndis_80211_pmkid_candidate *cand =
2698 &cand_list->candidate_list[i];
2699
2700 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2701 i, le32_to_cpu(cand->flags), cand->bssid);
2702
2703 memset(&pcand, 0, sizeof(pcand));
2704 if (le32_to_cpu(cand->flags) & 0x01)
2705 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2706 pcand.index = i;
2707 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2708
2709 memset(&wrqu, 0, sizeof(wrqu));
2710 wrqu.data.length = sizeof(pcand);
2711 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2712 (u8 *)&pcand);
2713 }
2714}
2715
2716static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2717 struct rndis_indicate *msg, int buflen)
2718{
2719 struct ndis_80211_status_indication *indication;
2720 int len, offset;
2721
2722 offset = offsetof(struct rndis_indicate, status) +
2723 le32_to_cpu(msg->offset);
2724 len = le32_to_cpu(msg->length);
2725
2726 if (len < 8) {
2727 devinfo(usbdev, "media specific indication, "
2728 "ignore too short message (%i < 8)", len);
2729 return;
2730 }
2731
2732 if (offset + len > buflen) {
2733 devinfo(usbdev, "media specific indication, "
2734 "too large to fit to buffer (%i > %i)",
2735 offset + len, buflen);
2736 return;
2737 }
2738
2739 indication = (void *)((u8 *)msg + offset);
2740
2741 switch (le32_to_cpu(indication->status_type)) {
2742 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2743 devinfo(usbdev, "radio state indication: %i",
2744 le32_to_cpu(indication->u.radio_status));
2745 return;
2746
2747 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2748 devinfo(usbdev, "media stream mode indication: %i",
2749 le32_to_cpu(indication->u.media_stream_mode));
2750 return;
2751
2752 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2753 rndis_wlan_auth_indication(usbdev, indication, len);
2754 return;
2755
2756 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2757 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2758 return;
2759
2760 default:
2761 devinfo(usbdev, "media specific indication: "
2762 "unknown status type 0x%08x",
2763 le32_to_cpu(indication->status_type));
2764 }
2765}
2766
2767
2a4901bc 2768static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
bf164cc0 2769{
582241a0 2770 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2a4901bc 2771 struct rndis_indicate *msg = ind;
bf164cc0 2772
2a4901bc
JK		 2773 switch (msg->status) {
2774 case RNDIS_STATUS_MEDIA_CONNECT:
5f81ff5a
JK		 2775 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2776 /* OID_802_11_ADD_KEY causes sometimes extra
2777 * "media connect" indications which confuses driver
2778 * and userspace to think that device is
2779 * roaming/reassociating when it isn't.
2780 */
2781 devdbg(usbdev, "ignored OID_802_11_ADD_KEY triggered "
2782 "'media connect'");
2783 return;
2784 }
2785
7834ddbc
JK		 2786 usbnet_pause_rx(usbdev);
2787
2a4901bc
JK		 2788 devinfo(usbdev, "media connect");
2789
030645ac 2790 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 2791 set_bit(WORK_LINK_UP, &priv->work_pending);
2792 queue_work(priv->workqueue, &priv->work);
2793 break;
2794
2795 case RNDIS_STATUS_MEDIA_DISCONNECT:
2796 devinfo(usbdev, "media disconnect");
2797
030645ac 2798 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 2799 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2800 queue_work(priv->workqueue, &priv->work);
2801 break;
2802
030645ac
JK		 2803 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2804 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2805 break;
2806
2a4901bc
JK		 2807 default:
2808 devinfo(usbdev, "indication: 0x%08x",
2809 le32_to_cpu(msg->status));
2810 break;
2811 }
bf164cc0
JK		 2812}
2813
2814
582241a0 2815static int rndis_wlan_get_caps(struct usbnet *usbdev)
bf164cc0
JK		 2816{
2817 struct {
2818 __le32 num_items;
2819 __le32 items[8];
2820 } networks_supported;
2821 int len, retval, i, n;
582241a0 2822 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2823
bf164cc0
JK		 2824 /* determine supported modes */
2825 len = sizeof(networks_supported);
a19d7292 2826 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
bf164cc0
JK		 2827 &networks_supported, &len);
2828 if (retval >= 0) {
2829 n = le32_to_cpu(networks_supported.num_items);
2830 if (n > 8)
2831 n = 8;
2832 for (i = 0; i < n; i++) {
2833 switch (le32_to_cpu(networks_supported.items[i])) {
aa18294a
JK		 2834 case NDIS_80211_TYPE_FREQ_HOP:
2835 case NDIS_80211_TYPE_DIRECT_SEQ:
bf164cc0
JK		 2836 priv->caps |= CAP_MODE_80211B;
2837 break;
aa18294a 2838 case NDIS_80211_TYPE_OFDM_A:
bf164cc0
JK		 2839 priv->caps |= CAP_MODE_80211A;
2840 break;
aa18294a 2841 case NDIS_80211_TYPE_OFDM_G:
bf164cc0
JK		 2842 priv->caps |= CAP_MODE_80211G;
2843 break;
2844 }
2845 }
bf164cc0
JK		 2846 }
2847
2848 return retval;
2849}
2850
2851
2852#define STATS_UPDATE_JIFFIES (HZ)
2853static void rndis_update_wireless_stats(struct work_struct *work)
2854{
582241a0
JK		 2855 struct rndis_wlan_private *priv =
2856 container_of(work, struct rndis_wlan_private, stats_work.work);
bf164cc0
JK		 2857 struct usbnet *usbdev = priv->usbdev;
2858 struct iw_statistics iwstats;
2859 __le32 rssi, tmp;
a97b1f3d 2860 int len, ret, j;
bf164cc0
JK		 2861 unsigned long flags;
2862 int update_jiffies = STATS_UPDATE_JIFFIES;
2863 void *buf;
2864
2865 spin_lock_irqsave(&priv->stats_lock, flags);
2866 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2867 spin_unlock_irqrestore(&priv->stats_lock, flags);
2868
2869 /* only update stats when connected */
2870 if (!is_associated(usbdev)) {
2871 iwstats.qual.qual = 0;
2872 iwstats.qual.level = 0;
2873 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2874 | IW_QUAL_LEVEL_UPDATED
2875 | IW_QUAL_NOISE_INVALID
2876 | IW_QUAL_QUAL_INVALID
2877 | IW_QUAL_LEVEL_INVALID;
2878 goto end;
2879 }
2880
2881 len = sizeof(rssi);
2882 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2883
2884 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2885 le32_to_cpu(rssi));
2886 if (ret == 0) {
2887 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2888 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
4bd7f03e 2889 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
bf164cc0
JK		 2890 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2891 | IW_QUAL_LEVEL_UPDATED
2892 | IW_QUAL_NOISE_INVALID;
2893 }
2894
2895 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2896
2897 len = sizeof(tmp);
2898 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2899 if (ret == 0)
2900 iwstats.discard.misc += le32_to_cpu(tmp);
2901
2902 len = sizeof(tmp);
2903 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2904 if (ret == 0)
2905 iwstats.discard.misc += le32_to_cpu(tmp);
2906
2907 len = sizeof(tmp);
2908 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2909 if (ret == 0)
2910 iwstats.discard.misc += le32_to_cpu(tmp);
2911
a97b1f3d
JK		 2912 /* Workaround transfer stalls on poor quality links.
2913 * TODO: find right way to fix these stalls (as stalls do not happen
2914 * with ndiswrapper/windows driver). */
2915 if (iwstats.qual.qual <= 25) {
bf164cc0
JK		 2916 /* Decrease stats worker interval to catch stalls.
2917 * faster. Faster than 400-500ms causes packet loss,
2918 * Slower doesn't catch stalls fast enough.
2919 */
2920 j = msecs_to_jiffies(priv->param_workaround_interval);
2921 if (j > STATS_UPDATE_JIFFIES)
2922 j = STATS_UPDATE_JIFFIES;
2923 else if (j <= 0)
2924 j = 1;
2925 update_jiffies = j;
2926
2927 /* Send scan OID. Use of both OIDs is required to get device
2928 * working.
2929 */
35c26c2c 2930 tmp = cpu_to_le32(1);
bf164cc0
JK		 2931 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2932 sizeof(tmp));
2933
2934 len = CONTROL_BUFFER_SIZE;
2935 buf = kmalloc(len, GFP_KERNEL);
2936 if (!buf)
2937 goto end;
2938
2939 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2940 kfree(buf);
2941 }
2942end:
2943 spin_lock_irqsave(&priv->stats_lock, flags);
2944 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2945 spin_unlock_irqrestore(&priv->stats_lock, flags);
2946
2947 if (update_jiffies >= HZ)
2948 update_jiffies = round_jiffies_relative(update_jiffies);
2949 else {
2950 j = round_jiffies_relative(update_jiffies);
2951 if (abs(j - update_jiffies) <= 10)
2952 update_jiffies = j;
2953 }
2954
2955 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2956}
2957
2958
59620e9f
JK		 2959static int bcm4320a_early_init(struct usbnet *usbdev)
2960{
2961 /* bcm4320a doesn't handle configuration parameters well. Try
2962 * set any and you get partially zeroed mac and broken device.
2963 */
2964
2965 return 0;
2966}
2967
2968
2969static int bcm4320b_early_init(struct usbnet *usbdev)
bf164cc0 2970{
582241a0 2971 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2972 char buf[8];
2973
2974 /* Early initialization settings, setting these won't have effect
2975 * if called after generic_rndis_bind().
2976 */
2977
2978 priv->param_country[0] = modparam_country[0];
2979 priv->param_country[1] = modparam_country[1];
2980 priv->param_country[2] = 0;
2981 priv->param_frameburst = modparam_frameburst;
2982 priv->param_afterburner = modparam_afterburner;
2983 priv->param_power_save = modparam_power_save;
2984 priv->param_power_output = modparam_power_output;
2985 priv->param_roamtrigger = modparam_roamtrigger;
2986 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 2987
2988 priv->param_country[0] = toupper(priv->param_country[0]);
2989 priv->param_country[1] = toupper(priv->param_country[1]);
2990 /* doesn't support EU as country code, use FI instead */
2991 if (!strcmp(priv->param_country, "EU"))
2992 strcpy(priv->param_country, "FI");
2993
2994 if (priv->param_power_save < 0)
2995 priv->param_power_save = 0;
2996 else if (priv->param_power_save > 2)
2997 priv->param_power_save = 2;
2998
a7624837
JK		 2999 if (priv->param_power_output < 0)
3000 priv->param_power_output = 0;
3001 else if (priv->param_power_output > 3)
3002 priv->param_power_output = 3;
3003
bf164cc0
JK		 3004 if (priv->param_roamtrigger < -80)
3005 priv->param_roamtrigger = -80;
3006 else if (priv->param_roamtrigger > -60)
3007 priv->param_roamtrigger = -60;
3008
3009 if (priv->param_roamdelta < 0)
3010 priv->param_roamdelta = 0;
3011 else if (priv->param_roamdelta > 2)
3012 priv->param_roamdelta = 2;
3013
4d381ffb 3014 if (modparam_workaround_interval < 0)
bf164cc0 3015 priv->param_workaround_interval = 500;
4d381ffb
RK		 3016 else
3017 priv->param_workaround_interval = modparam_workaround_interval;
bf164cc0 3018
a19d7292
JK		 3019 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3020 rndis_set_config_parameter_str(usbdev, "FrameBursting",
bf164cc0 3021 priv->param_frameburst ? "1" : "0");
a19d7292 3022 rndis_set_config_parameter_str(usbdev, "Afterburner",
bf164cc0
JK		 3023 priv->param_afterburner ? "1" : "0");
3024 sprintf(buf, "%d", priv->param_power_save);
a19d7292 3025 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
bf164cc0 3026 sprintf(buf, "%d", priv->param_power_output);
a19d7292 3027 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
bf164cc0 3028 sprintf(buf, "%d", priv->param_roamtrigger);
a19d7292 3029 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
bf164cc0 3030 sprintf(buf, "%d", priv->param_roamdelta);
a19d7292 3031 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
bf164cc0
JK		 3032
3033 return 0;
3034}
3035
23d12e2b 3036/* same as rndis_netdev_ops but with local multicast handler */
582241a0 3037static const struct net_device_ops rndis_wlan_netdev_ops = {
23d12e2b
DM		 3038 .ndo_open = usbnet_open,
3039 .ndo_stop = usbnet_stop,
3040 .ndo_start_xmit = usbnet_start_xmit,
3041 .ndo_tx_timeout = usbnet_tx_timeout,
3042 .ndo_set_mac_address = eth_mac_addr,
3043 .ndo_validate_addr = eth_validate_addr,
582241a0 3044 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
23d12e2b
DM		 3045};
3046
bf164cc0 3047
582241a0 3048static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3049{
5c8fa4f7 3050 struct wiphy *wiphy;
582241a0 3051 struct rndis_wlan_private *priv;
bf164cc0
JK		 3052 int retval, len;
3053 __le32 tmp;
3054
5c8fa4f7
JL		 3055 /* allocate wiphy and rndis private data
3056 * NOTE: We only support a single virtual interface, so wiphy
3057 * and wireless_dev are somewhat synonymous for this device.
3058 */
582241a0 3059 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
5c8fa4f7 3060 if (!wiphy)
bf164cc0
JK		 3061 return -ENOMEM;
3062
5c8fa4f7
JL		 3063 priv = wiphy_priv(wiphy);
3064 usbdev->net->ieee80211_ptr = &priv->wdev;
3065 priv->wdev.wiphy = wiphy;
3066 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3067
bf164cc0 3068 /* These have to be initialized before calling generic_rndis_bind().
582241a0 3069 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
bf164cc0 3070 */
a19d7292 3071 usbdev->driver_priv = priv;
a19d7292
JK		 3072 usbdev->net->wireless_handlers = &rndis_iw_handlers;
3073 priv->usbdev = usbdev;
bf164cc0
JK		 3074
3075 mutex_init(&priv->command_lock);
3076 spin_lock_init(&priv->stats_lock);
3077
8d4d99ae
JK		 3078 /* because rndis_command() sleeps we need to use workqueue */
3079 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
582241a0 3080 INIT_WORK(&priv->work, rndis_wlan_worker);
8d4d99ae
JK		 3081 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
3082 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3083
bf164cc0 3084 /* try bind rndis_host */
a19d7292 3085 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
bf164cc0
JK		 3086 if (retval < 0)
3087 goto fail;
3088
3089 /* generic_rndis_bind set packet filter to multicast_all+
3090 * promisc mode which doesn't work well for our devices (device
3091 * picks up rssi to closest station instead of to access point).
3092 *
3093 * rndis_host wants to avoid all OID as much as possible
582241a0 3094 * so do promisc/multicast handling in rndis_wlan.
bf164cc0 3095 */
582241a0 3096 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
23d12e2b 3097
bf164cc0 3098 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
a19d7292 3099 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
bf164cc0
JK		 3100 sizeof(tmp));
3101
3102 len = sizeof(tmp);
a19d7292
JK		 3103 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
3104 &len);
bf164cc0
JK		 3105 priv->multicast_size = le32_to_cpu(tmp);
3106 if (retval < 0 || priv->multicast_size < 0)
3107 priv->multicast_size = 0;
3108 if (priv->multicast_size > 0)
a19d7292 3109 usbdev->net->flags |= IFF_MULTICAST;
bf164cc0 3110 else
a19d7292 3111 usbdev->net->flags &= ~IFF_MULTICAST;
bf164cc0
JK		 3112
3113 priv->iwstats.qual.qual = 0;
3114 priv->iwstats.qual.level = 0;
3115 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
3116 | IW_QUAL_LEVEL_UPDATED
3117 | IW_QUAL_NOISE_INVALID
3118 | IW_QUAL_QUAL_INVALID
3119 | IW_QUAL_LEVEL_INVALID;
3120
5c8fa4f7
JL		 3121 /* fill-out wiphy structure and register w/ cfg80211 */
3122 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3123 wiphy->privid = rndis_wiphy_privid;
3124 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3125 | BIT(NL80211_IFTYPE_ADHOC);
3126 wiphy->max_scan_ssids = 1;
3127
4a7f13ee 3128 /* TODO: fill-out band/encr information based on priv->caps */
582241a0 3129 rndis_wlan_get_caps(usbdev);
5c8fa4f7
JL		 3130
3131 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3132 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3133 priv->band.channels = priv->channels;
3134 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3135 priv->band.bitrates = priv->rates;
3136 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
3137 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
4d2a369e 3138 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
5c8fa4f7 3139
4a7f13ee
JK		 3140 memcpy(priv->cipher_suites, rndis_cipher_suites,
3141 sizeof(rndis_cipher_suites));
3142 wiphy->cipher_suites = priv->cipher_suites;
3143 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3144
5c8fa4f7
JL		 3145 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3146
3147 if (wiphy_register(wiphy)) {
eb1a685e
JK		 3148 retval = -ENODEV;
3149 goto fail;
5c8fa4f7
JL		 3150 }
3151
a19d7292 3152 set_default_iw_params(usbdev);
bf164cc0 3153
d75ec2b7
JK		 3154 /* set default rts/frag */
3155 rndis_set_wiphy_params(wiphy,
3156 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3157
bf164cc0
JK		 3158 /* turn radio on */
3159 priv->radio_on = 1;
a19d7292
JK		 3160 disassociate(usbdev, 1);
3161 netif_carrier_off(usbdev->net);
bf164cc0 3162
bf164cc0
JK		 3163 return 0;
3164
3165fail:
8d4d99ae
JK		 3166 cancel_delayed_work_sync(&priv->stats_work);
3167 cancel_delayed_work_sync(&priv->scan_work);
3168 cancel_work_sync(&priv->work);
3169 flush_workqueue(priv->workqueue);
3170 destroy_workqueue(priv->workqueue);
3171
eb1a685e 3172 wiphy_free(wiphy);
bf164cc0
JK		 3173 return retval;
3174}
3175
3176
582241a0 3177static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3178{
582241a0 3179 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 3180
3181 /* turn radio off */
a19d7292 3182 disassociate(usbdev, 0);
bf164cc0
JK		 3183
3184 cancel_delayed_work_sync(&priv->stats_work);
71a7b26d 3185 cancel_delayed_work_sync(&priv->scan_work);
bf164cc0
JK		 3186 cancel_work_sync(&priv->work);
3187 flush_workqueue(priv->workqueue);
3188 destroy_workqueue(priv->workqueue);
3189
3190 if (priv && priv->wpa_ie_len)
3191 kfree(priv->wpa_ie);
bf164cc0 3192
a19d7292 3193 rndis_unbind(usbdev, intf);
5c8fa4f7
JL		 3194
3195 wiphy_unregister(priv->wdev.wiphy);
3196 wiphy_free(priv->wdev.wiphy);
bf164cc0
JK		 3197}
3198
3199
582241a0 3200static int rndis_wlan_reset(struct usbnet *usbdev)
bf164cc0 3201{
110736de 3202 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
7eaab708 3203 int retval;
110736de 3204
222ec50a 3205 devdbg(usbdev, "rndis_wlan_reset");
110736de 3206
7eaab708
JK		 3207 retval = rndis_reset(usbdev);
3208 if (retval)
3209 devwarn(usbdev, "rndis_reset() failed: %d", retval);
3210
e5a11a82
JK		 3211 /* rndis_reset cleared multicast list, so restore here.
3212 (set_multicast_list() also turns on current packet filter) */
7eaab708
JK		 3213 set_multicast_list(usbdev);
3214
110736de
JK		 3215 queue_delayed_work(priv->workqueue, &priv->stats_work,
3216 round_jiffies_relative(STATS_UPDATE_JIFFIES));
3217
a19d7292 3218 return deauthenticate(usbdev);
bf164cc0
JK		 3219}
3220
3221
222ec50a
JK		 3222static int rndis_wlan_stop(struct usbnet *usbdev)
3223{
110736de
JK		 3224 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3225 int retval;
e5a11a82 3226 __le32 filter;
110736de 3227
222ec50a 3228 devdbg(usbdev, "rndis_wlan_stop");
110736de
JK		 3229
3230 retval = disassociate(usbdev, 0);
3231
3232 priv->work_pending = 0;
3233 cancel_delayed_work_sync(&priv->stats_work);
3234 cancel_delayed_work_sync(&priv->scan_work);
3235 cancel_work_sync(&priv->work);
3236 flush_workqueue(priv->workqueue);
3237
005ba2f1
JK		 3238 if (priv->scan_request) {
3239 cfg80211_scan_done(priv->scan_request, true);
3240 priv->scan_request = NULL;
3241 }
3242
e5a11a82
JK		 3243 /* Set current packet filter zero to block receiving data packets from
3244 device. */
3245 filter = 0;
3246 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3247 sizeof(filter));
3248
110736de 3249 return retval;
222ec50a
JK		 3250}
3251
3252
bf164cc0
JK		 3253static const struct driver_info bcm4320b_info = {
3254 .description = "Wireless RNDIS device, BCM4320b based",
1487cd5e
JK		 3255 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3256 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3257 .bind = rndis_wlan_bind,
3258 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3259 .status = rndis_status,
3260 .rx_fixup = rndis_rx_fixup,
3261 .tx_fixup = rndis_tx_fixup,
582241a0 3262 .reset = rndis_wlan_reset,
222ec50a 3263 .stop = rndis_wlan_stop,
59620e9f 3264 .early_init = bcm4320b_early_init,
2a4901bc 3265 .indication = rndis_wlan_indication,
bf164cc0
JK		 3266};
3267
3268static const struct driver_info bcm4320a_info = {
3269 .description = "Wireless RNDIS device, BCM4320a based",
1487cd5e
JK		 3270 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3271 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3272 .bind = rndis_wlan_bind,
3273 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3274 .status = rndis_status,
3275 .rx_fixup = rndis_rx_fixup,
3276 .tx_fixup = rndis_tx_fixup,
582241a0 3277 .reset = rndis_wlan_reset,
222ec50a 3278 .stop = rndis_wlan_stop,
59620e9f 3279 .early_init = bcm4320a_early_init,
2a4901bc 3280 .indication = rndis_wlan_indication,
bf164cc0
JK		 3281};
3282
582241a0 3283static const struct driver_info rndis_wlan_info = {
bf164cc0 3284 .description = "Wireless RNDIS device",
1487cd5e
JK		 3285 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3286 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3287 .bind = rndis_wlan_bind,
3288 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3289 .status = rndis_status,
3290 .rx_fixup = rndis_rx_fixup,
3291 .tx_fixup = rndis_tx_fixup,
582241a0 3292 .reset = rndis_wlan_reset,
222ec50a 3293 .stop = rndis_wlan_stop,
59620e9f 3294 .early_init = bcm4320a_early_init,
2a4901bc 3295 .indication = rndis_wlan_indication,
bf164cc0
JK		 3296};
3297
3298/*-------------------------------------------------------------------------*/
3299
3300static const struct usb_device_id products [] = {
3301#define RNDIS_MASTER_INTERFACE \
3302 .bInterfaceClass = USB_CLASS_COMM, \
3303 .bInterfaceSubClass = 2 /* ACM */, \
3304 .bInterfaceProtocol = 0x0ff
3305
3306/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3307 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3308 */
3309{
3310 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3311 | USB_DEVICE_ID_MATCH_DEVICE,
3312 .idVendor = 0x0411,
3313 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3314 RNDIS_MASTER_INTERFACE,
3315 .driver_info = (unsigned long) &bcm4320b_info,
3316}, {
3317 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3318 | USB_DEVICE_ID_MATCH_DEVICE,
3319 .idVendor = 0x0baf,
3320 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3321 RNDIS_MASTER_INTERFACE,
3322 .driver_info = (unsigned long) &bcm4320b_info,
3323}, {
3324 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3325 | USB_DEVICE_ID_MATCH_DEVICE,
3326 .idVendor = 0x050d,
3327 .idProduct = 0x011b, /* Belkin F5D7051 */
3328 RNDIS_MASTER_INTERFACE,
3329 .driver_info = (unsigned long) &bcm4320b_info,
3330}, {
3331 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3332 | USB_DEVICE_ID_MATCH_DEVICE,
3333 .idVendor = 0x1799, /* Belkin has two vendor ids */
3334 .idProduct = 0x011b, /* Belkin F5D7051 */
3335 RNDIS_MASTER_INTERFACE,
3336 .driver_info = (unsigned long) &bcm4320b_info,
3337}, {
3338 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3339 | USB_DEVICE_ID_MATCH_DEVICE,
3340 .idVendor = 0x13b1,
3341 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3342 RNDIS_MASTER_INTERFACE,
3343 .driver_info = (unsigned long) &bcm4320b_info,
3344}, {
3345 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3346 | USB_DEVICE_ID_MATCH_DEVICE,
3347 .idVendor = 0x13b1,
3348 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3349 RNDIS_MASTER_INTERFACE,
3350 .driver_info = (unsigned long) &bcm4320b_info,
3351}, {
3352 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3353 | USB_DEVICE_ID_MATCH_DEVICE,
3354 .idVendor = 0x0b05,
3355 .idProduct = 0x1717, /* Asus WL169gE */
3356 RNDIS_MASTER_INTERFACE,
3357 .driver_info = (unsigned long) &bcm4320b_info,
3358}, {
3359 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3360 | USB_DEVICE_ID_MATCH_DEVICE,
3361 .idVendor = 0x0a5c,
3362 .idProduct = 0xd11b, /* Eminent EM4045 */
3363 RNDIS_MASTER_INTERFACE,
3364 .driver_info = (unsigned long) &bcm4320b_info,
3365}, {
3366 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3367 | USB_DEVICE_ID_MATCH_DEVICE,
3368 .idVendor = 0x1690,
3369 .idProduct = 0x0715, /* BT Voyager 1055 */
3370 RNDIS_MASTER_INTERFACE,
3371 .driver_info = (unsigned long) &bcm4320b_info,
3372},
3373/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3374 * parameters available, hardware probably contain older firmware version with
3375 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3376 */
3377{
3378 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3379 | USB_DEVICE_ID_MATCH_DEVICE,
3380 .idVendor = 0x13b1,
3381 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3382 RNDIS_MASTER_INTERFACE,
3383 .driver_info = (unsigned long) &bcm4320a_info,
3384}, {
3385 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3386 | USB_DEVICE_ID_MATCH_DEVICE,
3387 .idVendor = 0x0baf,
3388 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3389 RNDIS_MASTER_INTERFACE,
3390 .driver_info = (unsigned long) &bcm4320a_info,
3391}, {
3392 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3393 | USB_DEVICE_ID_MATCH_DEVICE,
3394 .idVendor = 0x0411,
3395 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3396 RNDIS_MASTER_INTERFACE,
3397 .driver_info = (unsigned long) &bcm4320a_info,
3398},
3399/* Generic Wireless RNDIS devices that we don't have exact
3400 * idVendor/idProduct/chip yet.
3401 */
3402{
3403 /* RNDIS is MSFT's un-official variant of CDC ACM */
3404 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
582241a0 3405 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3406}, {
3407 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3408 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
582241a0 3409 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3410},
3411 { }, // END
3412};
3413MODULE_DEVICE_TABLE(usb, products);
3414
3415static struct usb_driver rndis_wlan_driver = {
3416 .name = "rndis_wlan",
3417 .id_table = products,
3418 .probe = usbnet_probe,
3419 .disconnect = usbnet_disconnect,
3420 .suspend = usbnet_suspend,
3421 .resume = usbnet_resume,
3422};
3423
3424static int __init rndis_wlan_init(void)
3425{
3426 return usb_register(&rndis_wlan_driver);
3427}
3428module_init(rndis_wlan_init);
3429
3430static void __exit rndis_wlan_exit(void)
3431{
3432 usb_deregister(&rndis_wlan_driver);
3433}
3434module_exit(rndis_wlan_exit);
3435
3436MODULE_AUTHOR("Bjorge Dijkstra");
3437MODULE_AUTHOR("Jussi Kivilinna");
3438MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3439MODULE_LICENSE("GPL");
3440
Ubuntu Artful kernel mirror