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mwifiex: add custom IE framework
[deliverable/linux.git] / drivers / net / wireless / rndis_wlan.c
CommitLineData
bf164cc0
JK		 1/*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
9656e85b 5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
bf164cc0
JK		 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
24 */
25
26// #define DEBUG // error path messages, extra info
27// #define VERBOSE // more; success messages
28
29#include <linux/module.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/ethtool.h>
34#include <linux/workqueue.h>
35#include <linux/mutex.h>
36#include <linux/mii.h>
37#include <linux/usb.h>
38#include <linux/usb/cdc.h>
2c706002 39#include <linux/ieee80211.h>
bf164cc0
JK		 40#include <linux/if_arp.h>
41#include <linux/ctype.h>
42#include <linux/spinlock.h>
5a0e3ad6 43#include <linux/slab.h>
5c8fa4f7 44#include <net/cfg80211.h>
bf164cc0
JK		 45#include <linux/usb/usbnet.h>
46#include <linux/usb/rndis_host.h>
47
48
49/* NOTE: All these are settings for Broadcom chipset */
50static char modparam_country[4] = "EU";
51module_param_string(country, modparam_country, 4, 0444);
52MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
53
54static int modparam_frameburst = 1;
55module_param_named(frameburst, modparam_frameburst, int, 0444);
56MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
57
58static int modparam_afterburner = 0;
59module_param_named(afterburner, modparam_afterburner, int, 0444);
60MODULE_PARM_DESC(afterburner,
61 "enable afterburner aka '125 High Speed Mode' (default: off)");
62
63static int modparam_power_save = 0;
64module_param_named(power_save, modparam_power_save, int, 0444);
65MODULE_PARM_DESC(power_save,
66 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
67
68static int modparam_power_output = 3;
69module_param_named(power_output, modparam_power_output, int, 0444);
70MODULE_PARM_DESC(power_output,
71 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
72
73static int modparam_roamtrigger = -70;
74module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
75MODULE_PARM_DESC(roamtrigger,
76 "set roaming dBm trigger: -80=optimize for distance, "
77 "-60=bandwidth (default: -70)");
78
79static int modparam_roamdelta = 1;
80module_param_named(roamdelta, modparam_roamdelta, int, 0444);
81MODULE_PARM_DESC(roamdelta,
82 "set roaming tendency: 0=aggressive, 1=moderate, "
83 "2=conservative (default: moderate)");
84
77593ae2 85static int modparam_workaround_interval;
bf164cc0
JK		 86module_param_named(workaround_interval, modparam_workaround_interval,
87 int, 0444);
88MODULE_PARM_DESC(workaround_interval,
77593ae2 89 "set stall workaround interval in msecs (0=disabled) (default: 0)");
bf164cc0
JK		 90
91
92/* various RNDIS OID defs */
35c26c2c
HH		 93#define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
94#define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
95
96#define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
97#define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
98#define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
99#define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
100#define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
101
35c26c2c
HH		 102#define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
103#define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
104#define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
105
106#define OID_802_11_BSSID cpu_to_le32(0x0d010101)
107#define OID_802_11_SSID cpu_to_le32(0x0d010102)
108#define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
109#define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
110#define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
111#define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
112#define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
113#define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
114#define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
115#define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
116#define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
117#define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
118#define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
0308383f 119#define OID_802_11_CAPABILITY cpu_to_le32(0x0d010122)
35c26c2c
HH		 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)
40d70dd1 130#define OID_802_11_POWER_MODE cpu_to_le32(0x0d010216)
35c26c2c 131#define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
bf164cc0
JK		 132
133
134/* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
135#define WL_NOISE -96 /* typical noise level in dBm */
136#define WL_SIGMAX -32 /* typical maximum signal level in dBm */
137
138
139/* Assume that Broadcom 4320 (only chipset at time of writing known to be
140 * based on wireless rndis) has default txpower of 13dBm.
141 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
222ec50a
JK		 142 * 100% : 20 mW ~ 13dBm
143 * 75% : 15 mW ~ 12dBm
144 * 50% : 10 mW ~ 10dBm
145 * 25% : 5 mW ~ 7dBm
bf164cc0 146 */
222ec50a
JK		 147#define BCM4320_DEFAULT_TXPOWER_DBM_100 13
148#define BCM4320_DEFAULT_TXPOWER_DBM_75 12
149#define BCM4320_DEFAULT_TXPOWER_DBM_50 10
150#define BCM4320_DEFAULT_TXPOWER_DBM_25 7
bf164cc0
JK		 151
152
153/* codes for "status" field of completion messages */
35c26c2c
HH		 154#define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
155#define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
bf164cc0
JK		 156
157
5cb56af2
JK		 158/* Known device types */
159#define RNDIS_UNKNOWN 0
160#define RNDIS_BCM4320A 1
161#define RNDIS_BCM4320B 2
162
163
bf164cc0
JK		 164/* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
165 * slightly modified for datatype endianess, etc
166 */
167#define NDIS_802_11_LENGTH_SSID 32
168#define NDIS_802_11_LENGTH_RATES 8
169#define NDIS_802_11_LENGTH_RATES_EX 16
170
1e41e1d2 171enum ndis_80211_net_type {
aa18294a
JK		 172 NDIS_80211_TYPE_FREQ_HOP,
173 NDIS_80211_TYPE_DIRECT_SEQ,
174 NDIS_80211_TYPE_OFDM_A,
175 NDIS_80211_TYPE_OFDM_G
1e41e1d2
JK		 176};
177
178enum ndis_80211_net_infra {
aa18294a
JK		 179 NDIS_80211_INFRA_ADHOC,
180 NDIS_80211_INFRA_INFRA,
181 NDIS_80211_INFRA_AUTO_UNKNOWN
1e41e1d2
JK		 182};
183
184enum ndis_80211_auth_mode {
aa18294a
JK		 185 NDIS_80211_AUTH_OPEN,
186 NDIS_80211_AUTH_SHARED,
187 NDIS_80211_AUTH_AUTO_SWITCH,
188 NDIS_80211_AUTH_WPA,
189 NDIS_80211_AUTH_WPA_PSK,
190 NDIS_80211_AUTH_WPA_NONE,
191 NDIS_80211_AUTH_WPA2,
192 NDIS_80211_AUTH_WPA2_PSK
1e41e1d2
JK		 193};
194
195enum ndis_80211_encr_status {
aa18294a
JK		 196 NDIS_80211_ENCR_WEP_ENABLED,
197 NDIS_80211_ENCR_DISABLED,
198 NDIS_80211_ENCR_WEP_KEY_ABSENT,
199 NDIS_80211_ENCR_NOT_SUPPORTED,
200 NDIS_80211_ENCR_TKIP_ENABLED,
201 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
202 NDIS_80211_ENCR_CCMP_ENABLED,
203 NDIS_80211_ENCR_CCMP_KEY_ABSENT
1e41e1d2
JK		 204};
205
206enum ndis_80211_priv_filter {
aa18294a
JK		 207 NDIS_80211_PRIV_ACCEPT_ALL,
208 NDIS_80211_PRIV_8021X_WEP
1e41e1d2
JK		 209};
210
030645ac
JK		 211enum ndis_80211_status_type {
212 NDIS_80211_STATUSTYPE_AUTHENTICATION,
213 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
214 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
215 NDIS_80211_STATUSTYPE_RADIOSTATE,
216};
217
218enum ndis_80211_media_stream_mode {
219 NDIS_80211_MEDIA_STREAM_OFF,
220 NDIS_80211_MEDIA_STREAM_ON
221};
222
223enum ndis_80211_radio_status {
224 NDIS_80211_RADIO_STATUS_ON,
225 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
226 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
227};
228
b4703a2e 229enum ndis_80211_addkey_bits {
aa18294a
JK		 230 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
231 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
232 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
233 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 234};
235
236enum ndis_80211_addwep_bits {
aa18294a
JK		 237 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
238 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 239};
240
40d70dd1
JK		 241enum ndis_80211_power_mode {
242 NDIS_80211_POWER_MODE_CAM,
243 NDIS_80211_POWER_MODE_MAX_PSP,
244 NDIS_80211_POWER_MODE_FAST_PSP,
245};
246
1c706875
JK		 247enum ndis_80211_pmkid_cand_list_flag_bits {
248 NDIS_80211_PMKID_CAND_PREAUTH = cpu_to_le32(1 << 0)
249};
250
030645ac
JK		 251struct ndis_80211_auth_request {
252 __le32 length;
253 u8 bssid[6];
254 u8 padding[2];
255 __le32 flags;
ba2d3587 256} __packed;
030645ac
JK		 257
258struct ndis_80211_pmkid_candidate {
259 u8 bssid[6];
260 u8 padding[2];
261 __le32 flags;
ba2d3587 262} __packed;
030645ac
JK		 263
264struct ndis_80211_pmkid_cand_list {
265 __le32 version;
266 __le32 num_candidates;
267 struct ndis_80211_pmkid_candidate candidate_list[0];
ba2d3587 268} __packed;
030645ac
JK		 269
270struct ndis_80211_status_indication {
271 __le32 status_type;
272 union {
53d27eaf
JK		 273 __le32 media_stream_mode;
274 __le32 radio_status;
030645ac
JK		 275 struct ndis_80211_auth_request auth_request[0];
276 struct ndis_80211_pmkid_cand_list cand_list;
277 } u;
ba2d3587 278} __packed;
030645ac 279
1e41e1d2 280struct ndis_80211_ssid {
461b3f2a
JK		 281 __le32 length;
282 u8 essid[NDIS_802_11_LENGTH_SSID];
ba2d3587 283} __packed;
bf164cc0 284
1e41e1d2 285struct ndis_80211_conf_freq_hop {
461b3f2a
JK		 286 __le32 length;
287 __le32 hop_pattern;
288 __le32 hop_set;
289 __le32 dwell_time;
ba2d3587 290} __packed;
bf164cc0 291
1e41e1d2 292struct ndis_80211_conf {
461b3f2a
JK		 293 __le32 length;
294 __le32 beacon_period;
295 __le32 atim_window;
296 __le32 ds_config;
297 struct ndis_80211_conf_freq_hop fh_config;
ba2d3587 298} __packed;
bf164cc0 299
1e41e1d2 300struct ndis_80211_bssid_ex {
461b3f2a
JK		 301 __le32 length;
302 u8 mac[6];
303 u8 padding[2];
304 struct ndis_80211_ssid ssid;
305 __le32 privacy;
306 __le32 rssi;
307 __le32 net_type;
308 struct ndis_80211_conf config;
309 __le32 net_infra;
310 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
311 __le32 ie_length;
312 u8 ies[0];
ba2d3587 313} __packed;
bf164cc0 314
1e41e1d2 315struct ndis_80211_bssid_list_ex {
461b3f2a
JK		 316 __le32 num_items;
317 struct ndis_80211_bssid_ex bssid[0];
ba2d3587 318} __packed;
bf164cc0 319
1e41e1d2 320struct ndis_80211_fixed_ies {
461b3f2a
JK		 321 u8 timestamp[8];
322 __le16 beacon_interval;
323 __le16 capabilities;
ba2d3587 324} __packed;
bf164cc0 325
1e41e1d2 326struct ndis_80211_wep_key {
461b3f2a
JK		 327 __le32 size;
328 __le32 index;
329 __le32 length;
330 u8 material[32];
ba2d3587 331} __packed;
bf164cc0 332
1e41e1d2 333struct ndis_80211_key {
461b3f2a
JK		 334 __le32 size;
335 __le32 index;
336 __le32 length;
337 u8 bssid[6];
338 u8 padding[6];
339 u8 rsc[8];
340 u8 material[32];
ba2d3587 341} __packed;
bf164cc0 342
1e41e1d2 343struct ndis_80211_remove_key {
461b3f2a
JK		 344 __le32 size;
345 __le32 index;
346 u8 bssid[6];
9d40934e 347 u8 padding[2];
ba2d3587 348} __packed;
bf164cc0 349
1e41e1d2 350struct ndis_config_param {
461b3f2a
JK		 351 __le32 name_offs;
352 __le32 name_length;
353 __le32 type;
354 __le32 value_offs;
355 __le32 value_length;
ba2d3587 356} __packed;
bf164cc0 357
4364623c
SA		 358struct ndis_80211_assoc_info {
359 __le32 length;
360 __le16 req_ies;
361 struct req_ie {
362 __le16 capa;
363 __le16 listen_interval;
364 u8 cur_ap_address[6];
365 } req_ie;
366 __le32 req_ie_length;
367 __le32 offset_req_ies;
368 __le16 resp_ies;
369 struct resp_ie {
370 __le16 capa;
371 __le16 status_code;
372 __le16 assoc_id;
373 } resp_ie;
374 __le32 resp_ie_length;
375 __le32 offset_resp_ies;
ba2d3587 376} __packed;
4364623c 377
0308383f
JK		 378struct ndis_80211_auth_encr_pair {
379 __le32 auth_mode;
380 __le32 encr_mode;
ba2d3587 381} __packed;
0308383f
JK		 382
383struct ndis_80211_capability {
384 __le32 length;
385 __le32 version;
386 __le32 num_pmkids;
387 __le32 num_auth_encr_pair;
388 struct ndis_80211_auth_encr_pair auth_encr_pair[0];
ba2d3587 389} __packed;
0308383f 390
5a7d0583
JK		 391struct ndis_80211_bssid_info {
392 u8 bssid[6];
393 u8 pmkid[16];
30fd9073 394} __packed;
5a7d0583
JK		 395
396struct ndis_80211_pmkid {
397 __le32 length;
398 __le32 bssid_info_count;
399 struct ndis_80211_bssid_info bssid_info[0];
30fd9073 400} __packed;
5a7d0583 401
bf164cc0
JK		 402/*
403 * private data
404 */
bf164cc0
JK		 405#define CAP_MODE_80211A 1
406#define CAP_MODE_80211B 2
407#define CAP_MODE_80211G 4
408#define CAP_MODE_MASK 7
bf164cc0 409
6010ce07
JK		 410#define WORK_LINK_UP (1<<0)
411#define WORK_LINK_DOWN (1<<1)
412#define WORK_SET_MULTICAST_LIST (1<<2)
bf164cc0 413
5c52323e
JK		 414#define RNDIS_WLAN_ALG_NONE 0
415#define RNDIS_WLAN_ALG_WEP (1<<0)
416#define RNDIS_WLAN_ALG_TKIP (1<<1)
417#define RNDIS_WLAN_ALG_CCMP (1<<2)
418
ec3cbb9c 419#define RNDIS_WLAN_NUM_KEYS 4
5c52323e
JK		 420#define RNDIS_WLAN_KEY_MGMT_NONE 0
421#define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
422#define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
423
90d07349
JK		 424#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
425
5c8fa4f7
JL		 426static const struct ieee80211_channel rndis_channels[] = {
427 { .center_freq = 2412 },
428 { .center_freq = 2417 },
429 { .center_freq = 2422 },
430 { .center_freq = 2427 },
431 { .center_freq = 2432 },
432 { .center_freq = 2437 },
433 { .center_freq = 2442 },
434 { .center_freq = 2447 },
435 { .center_freq = 2452 },
436 { .center_freq = 2457 },
437 { .center_freq = 2462 },
438 { .center_freq = 2467 },
439 { .center_freq = 2472 },
440 { .center_freq = 2484 },
441};
442
443static const struct ieee80211_rate rndis_rates[] = {
444 { .bitrate = 10 },
445 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
446 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
447 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
448 { .bitrate = 60 },
449 { .bitrate = 90 },
450 { .bitrate = 120 },
451 { .bitrate = 180 },
452 { .bitrate = 240 },
453 { .bitrate = 360 },
454 { .bitrate = 480 },
455 { .bitrate = 540 }
456};
457
4a7f13ee
JK		 458static const u32 rndis_cipher_suites[] = {
459 WLAN_CIPHER_SUITE_WEP40,
460 WLAN_CIPHER_SUITE_WEP104,
461 WLAN_CIPHER_SUITE_TKIP,
462 WLAN_CIPHER_SUITE_CCMP,
463};
464
b7cfc5b3
JK		 465struct rndis_wlan_encr_key {
466 int len;
84bf8400 467 u32 cipher;
b7cfc5b3
JK		 468 u8 material[32];
469 u8 bssid[ETH_ALEN];
470 bool pairwise;
471 bool tx_key;
472};
473
bf164cc0 474/* RNDIS device private data */
582241a0 475struct rndis_wlan_private {
bf164cc0
JK		 476 struct usbnet *usbdev;
477
5c8fa4f7
JL		 478 struct wireless_dev wdev;
479
71a7b26d
JK		 480 struct cfg80211_scan_request *scan_request;
481
bf164cc0 482 struct workqueue_struct *workqueue;
305e243e 483 struct delayed_work dev_poller_work;
71a7b26d 484 struct delayed_work scan_work;
bf164cc0
JK		 485 struct work_struct work;
486 struct mutex command_lock;
bf164cc0 487 unsigned long work_pending;
8b89a288 488 int last_qual;
49b35bd3
JK		 489 s32 cqm_rssi_thold;
490 u32 cqm_rssi_hyst;
491 int last_cqm_event_rssi;
bf164cc0 492
5c8fa4f7
JL		 493 struct ieee80211_supported_band band;
494 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
495 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
4a7f13ee 496 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
5c8fa4f7 497
5cb56af2 498 int device_type;
bf164cc0
JK		 499 int caps;
500 int multicast_size;
501
502 /* module parameters */
503 char param_country[4];
504 int param_frameburst;
505 int param_afterburner;
506 int param_power_save;
507 int param_power_output;
508 int param_roamtrigger;
509 int param_roamdelta;
510 u32 param_workaround_interval;
511
512 /* hardware state */
051ae0bf 513 bool radio_on;
40d70dd1 514 int power_mode;
bf164cc0 515 int infra_mode;
5c52323e 516 bool connected;
8b89a288 517 u8 bssid[ETH_ALEN];
5f81ff5a 518 __le32 current_command_oid;
bf164cc0
JK		 519
520 /* encryption stuff */
461bc26c 521 u8 encr_tx_key_index;
ec3cbb9c 522 struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
bf164cc0 523 int wpa_version;
90d07349
JK		 524
525 u8 command_buffer[COMMAND_BUFFER_SIZE];
bf164cc0
JK		 526};
527
964c1d41
JL		 528/*
529 * cfg80211 ops
530 */
e36d56b6
JB		 531static int rndis_change_virtual_intf(struct wiphy *wiphy,
532 struct net_device *dev,
964c1d41
JL		 533 enum nl80211_iftype type, u32 *flags,
534 struct vif_params *params);
535
71a7b26d
JK		 536static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
537 struct cfg80211_scan_request *request);
538
d75ec2b7
JK		 539static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
540
fa61cf70
JO		 541static int rndis_set_tx_power(struct wiphy *wiphy,
542 enum nl80211_tx_power_setting type,
543 int mbm);
222ec50a
JK		 544static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
545
5c52323e
JK		 546static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
547 struct cfg80211_connect_params *sme);
548
549static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
550 u16 reason_code);
551
552static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
553 struct cfg80211_ibss_params *params);
554
555static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
556
f444de05 557static int rndis_set_channel(struct wiphy *wiphy, struct net_device *dev,
5554adbe
JK		 558 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
559
84bf8400 560static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213
JB		 561 u8 key_index, bool pairwise, const u8 *mac_addr,
562 struct key_params *params);
84bf8400
JK		 563
564static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213 565 u8 key_index, bool pairwise, const u8 *mac_addr);
84bf8400
JK		 566
567static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
dbd2fd65 568 u8 key_index, bool unicast, bool multicast);
84bf8400 569
8b89a288
JK		 570static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
571 u8 *mac, struct station_info *sinfo);
572
d695df90
JK		 573static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
574 int idx, u8 *mac, struct station_info *sinfo);
575
5a7d0583
JK		 576static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
577 struct cfg80211_pmksa *pmksa);
578
579static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
580 struct cfg80211_pmksa *pmksa);
581
582static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev);
583
40d70dd1
JK		 584static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
585 bool enabled, int timeout);
586
49b35bd3
JK		 587static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
588 struct net_device *dev,
589 s32 rssi_thold, u32 rssi_hyst);
590
c2aa4132 591static const struct cfg80211_ops rndis_config_ops = {
964c1d41 592 .change_virtual_intf = rndis_change_virtual_intf,
71a7b26d 593 .scan = rndis_scan,
d75ec2b7 594 .set_wiphy_params = rndis_set_wiphy_params,
222ec50a
JK		 595 .set_tx_power = rndis_set_tx_power,
596 .get_tx_power = rndis_get_tx_power,
5c52323e
JK		 597 .connect = rndis_connect,
598 .disconnect = rndis_disconnect,
599 .join_ibss = rndis_join_ibss,
600 .leave_ibss = rndis_leave_ibss,
5554adbe 601 .set_channel = rndis_set_channel,
84bf8400
JK		 602 .add_key = rndis_add_key,
603 .del_key = rndis_del_key,
604 .set_default_key = rndis_set_default_key,
8b89a288 605 .get_station = rndis_get_station,
d695df90 606 .dump_station = rndis_dump_station,
5a7d0583
JK		 607 .set_pmksa = rndis_set_pmksa,
608 .del_pmksa = rndis_del_pmksa,
609 .flush_pmksa = rndis_flush_pmksa,
40d70dd1 610 .set_power_mgmt = rndis_set_power_mgmt,
49b35bd3 611 .set_cqm_rssi_config = rndis_set_cqm_rssi_config,
964c1d41 612};
bf164cc0 613
caa6dfad 614static void *rndis_wiphy_privid = &rndis_wiphy_privid;
bf164cc0 615
bf164cc0 616
582241a0 617static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
bf164cc0 618{
582241a0 619 return (struct rndis_wlan_private *)dev->driver_priv;
bf164cc0
JK		 620}
621
222ec50a 622static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
bf164cc0 623{
222ec50a
JK		 624 switch (priv->param_power_output) {
625 default:
626 case 3:
627 return BCM4320_DEFAULT_TXPOWER_DBM_100;
628 case 2:
629 return BCM4320_DEFAULT_TXPOWER_DBM_75;
630 case 1:
631 return BCM4320_DEFAULT_TXPOWER_DBM_50;
632 case 0:
633 return BCM4320_DEFAULT_TXPOWER_DBM_25;
634 }
bf164cc0
JK		 635}
636
461bc26c 637static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx)
b7cfc5b3
JK		 638{
639 int cipher = priv->encr_keys[idx].cipher;
640
641 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
642 cipher == WLAN_CIPHER_SUITE_TKIP);
643}
644
5c52323e
JK		 645static int rndis_cipher_to_alg(u32 cipher)
646{
647 switch (cipher) {
648 default:
649 return RNDIS_WLAN_ALG_NONE;
650 case WLAN_CIPHER_SUITE_WEP40:
651 case WLAN_CIPHER_SUITE_WEP104:
652 return RNDIS_WLAN_ALG_WEP;
653 case WLAN_CIPHER_SUITE_TKIP:
654 return RNDIS_WLAN_ALG_TKIP;
655 case WLAN_CIPHER_SUITE_CCMP:
656 return RNDIS_WLAN_ALG_CCMP;
657 }
658}
659
660static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
661{
662 switch (akm_suite) {
663 default:
664 return RNDIS_WLAN_KEY_MGMT_NONE;
665 case WLAN_AKM_SUITE_8021X:
666 return RNDIS_WLAN_KEY_MGMT_802_1X;
667 case WLAN_AKM_SUITE_PSK:
668 return RNDIS_WLAN_KEY_MGMT_PSK;
669 }
670}
671
27b7b5c1
JK		 672#ifdef DEBUG
673static const char *oid_to_string(__le32 oid)
674{
675 switch (oid) {
676#define OID_STR(oid) case oid: return(#oid)
677 /* from rndis_host.h */
678 OID_STR(OID_802_3_PERMANENT_ADDRESS);
679 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
680 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
681 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
682
683 /* from rndis_wlan.c */
684 OID_STR(OID_GEN_LINK_SPEED);
685 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
686
687 OID_STR(OID_GEN_XMIT_OK);
688 OID_STR(OID_GEN_RCV_OK);
689 OID_STR(OID_GEN_XMIT_ERROR);
690 OID_STR(OID_GEN_RCV_ERROR);
691 OID_STR(OID_GEN_RCV_NO_BUFFER);
692
693 OID_STR(OID_802_3_CURRENT_ADDRESS);
694 OID_STR(OID_802_3_MULTICAST_LIST);
695 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
696
697 OID_STR(OID_802_11_BSSID);
698 OID_STR(OID_802_11_SSID);
699 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
700 OID_STR(OID_802_11_ADD_WEP);
701 OID_STR(OID_802_11_REMOVE_WEP);
702 OID_STR(OID_802_11_DISASSOCIATE);
703 OID_STR(OID_802_11_AUTHENTICATION_MODE);
704 OID_STR(OID_802_11_PRIVACY_FILTER);
705 OID_STR(OID_802_11_BSSID_LIST_SCAN);
706 OID_STR(OID_802_11_ENCRYPTION_STATUS);
707 OID_STR(OID_802_11_ADD_KEY);
708 OID_STR(OID_802_11_REMOVE_KEY);
709 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
40d70dd1 710 OID_STR(OID_802_11_CAPABILITY);
27b7b5c1
JK		 711 OID_STR(OID_802_11_PMKID);
712 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
713 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
714 OID_STR(OID_802_11_TX_POWER_LEVEL);
715 OID_STR(OID_802_11_RSSI);
716 OID_STR(OID_802_11_RSSI_TRIGGER);
717 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
718 OID_STR(OID_802_11_RTS_THRESHOLD);
719 OID_STR(OID_802_11_SUPPORTED_RATES);
720 OID_STR(OID_802_11_CONFIGURATION);
40d70dd1 721 OID_STR(OID_802_11_POWER_MODE);
27b7b5c1
JK		 722 OID_STR(OID_802_11_BSSID_LIST);
723#undef OID_STR
724 }
725
726 return "?";
727}
728#else
729static const char *oid_to_string(__le32 oid)
730{
731 return "?";
732}
733#endif
734
bf164cc0
JK		 735/* translate error code */
736static int rndis_error_status(__le32 rndis_status)
737{
738 int ret = -EINVAL;
739 switch (rndis_status) {
740 case RNDIS_STATUS_SUCCESS:
741 ret = 0;
742 break;
743 case RNDIS_STATUS_FAILURE:
744 case RNDIS_STATUS_INVALID_DATA:
745 ret = -EINVAL;
746 break;
747 case RNDIS_STATUS_NOT_SUPPORTED:
748 ret = -EOPNOTSUPP;
749 break;
750 case RNDIS_STATUS_ADAPTER_NOT_READY:
751 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
752 ret = -EBUSY;
753 break;
754 }
755 return ret;
756}
757
bf164cc0
JK		 758static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
759{
582241a0 760 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 761 union {
762 void *buf;
763 struct rndis_msg_hdr *header;
764 struct rndis_query *get;
765 struct rndis_query_c *get_c;
766 } u;
767 int ret, buflen;
80f8c5b4 768 int resplen, respoffs, copylen;
bf164cc0
JK		 769
770 buflen = *len + sizeof(*u.get);
771 if (buflen < CONTROL_BUFFER_SIZE)
772 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 773
774 if (buflen > COMMAND_BUFFER_SIZE) {
775 u.buf = kmalloc(buflen, GFP_KERNEL);
776 if (!u.buf)
777 return -ENOMEM;
778 } else {
779 u.buf = priv->command_buffer;
780 }
781
782 mutex_lock(&priv->command_lock);
783
bf164cc0
JK		 784 memset(u.get, 0, sizeof *u.get);
785 u.get->msg_type = RNDIS_MSG_QUERY;
35c26c2c 786 u.get->msg_len = cpu_to_le32(sizeof *u.get);
bf164cc0
JK		 787 u.get->oid = oid;
788
5f81ff5a 789 priv->current_command_oid = oid;
818727ba 790 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 791 priv->current_command_oid = 0;
27b7b5c1 792 if (ret < 0)
60b86755
JP		 793 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
794 __func__, oid_to_string(oid), ret,
795 le32_to_cpu(u.get_c->status));
27b7b5c1 796
bf164cc0 797 if (ret == 0) {
80f8c5b4
JK		 798 resplen = le32_to_cpu(u.get_c->len);
799 respoffs = le32_to_cpu(u.get_c->offset) + 8;
c1f8ca1d 800
80f8c5b4
JK		 801 if (respoffs > buflen) {
802 /* Device returned data offset outside buffer, error. */
803 netdev_dbg(dev->net, "%s(%s): received invalid "
804 "data offset: %d > %d\n", __func__,
805 oid_to_string(oid), respoffs, buflen);
c1f8ca1d 806
80f8c5b4
JK		 807 ret = -EINVAL;
808 goto exit_unlock;
809 }
810
811 if ((resplen + respoffs) > buflen) {
812 /* Device would have returned more data if buffer would
813 * have been big enough. Copy just the bits that we got.
814 */
815 copylen = buflen - respoffs;
816 } else {
817 copylen = resplen;
818 }
819
820 if (copylen > *len)
821 copylen = *len;
822
823 memcpy(data, u.buf + respoffs, copylen);
824
825 *len = resplen;
27b7b5c1 826
c1f8ca1d 827 ret = rndis_error_status(u.get_c->status);
27b7b5c1 828 if (ret < 0)
60b86755
JP		 829 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
830 __func__, oid_to_string(oid),
831 le32_to_cpu(u.get_c->status), ret);
bf164cc0
JK		 832 }
833
80f8c5b4 834exit_unlock:
90d07349
JK		 835 mutex_unlock(&priv->command_lock);
836
837 if (u.buf != priv->command_buffer)
838 kfree(u.buf);
bf164cc0
JK		 839 return ret;
840}
841
22288a58
JP		 842static int rndis_set_oid(struct usbnet *dev, __le32 oid, const void *data,
843 int len)
bf164cc0 844{
582241a0 845 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 846 union {
847 void *buf;
848 struct rndis_msg_hdr *header;
849 struct rndis_set *set;
850 struct rndis_set_c *set_c;
851 } u;
852 int ret, buflen;
853
854 buflen = len + sizeof(*u.set);
855 if (buflen < CONTROL_BUFFER_SIZE)
856 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 857
858 if (buflen > COMMAND_BUFFER_SIZE) {
859 u.buf = kmalloc(buflen, GFP_KERNEL);
860 if (!u.buf)
861 return -ENOMEM;
862 } else {
863 u.buf = priv->command_buffer;
864 }
865
866 mutex_lock(&priv->command_lock);
bf164cc0
JK		 867
868 memset(u.set, 0, sizeof *u.set);
869 u.set->msg_type = RNDIS_MSG_SET;
870 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
871 u.set->oid = oid;
872 u.set->len = cpu_to_le32(len);
35c26c2c
HH		 873 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
874 u.set->handle = cpu_to_le32(0);
bf164cc0
JK		 875 memcpy(u.buf + sizeof(*u.set), data, len);
876
5f81ff5a 877 priv->current_command_oid = oid;
818727ba 878 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 879 priv->current_command_oid = 0;
27b7b5c1 880 if (ret < 0)
60b86755
JP		 881 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
882 __func__, oid_to_string(oid), ret,
883 le32_to_cpu(u.set_c->status));
27b7b5c1
JK		 884
885 if (ret == 0) {
bf164cc0
JK		 886 ret = rndis_error_status(u.set_c->status);
887
27b7b5c1 888 if (ret < 0)
60b86755
JP		 889 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
890 __func__, oid_to_string(oid),
891 le32_to_cpu(u.set_c->status), ret);
27b7b5c1
JK		 892 }
893
90d07349
JK		 894 mutex_unlock(&priv->command_lock);
895
896 if (u.buf != priv->command_buffer)
897 kfree(u.buf);
bf164cc0
JK		 898 return ret;
899}
900
7eaab708
JK		 901static int rndis_reset(struct usbnet *usbdev)
902{
903 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
904 struct rndis_reset *reset;
905 int ret;
906
907 mutex_lock(&priv->command_lock);
908
909 reset = (void *)priv->command_buffer;
910 memset(reset, 0, sizeof(*reset));
911 reset->msg_type = RNDIS_MSG_RESET;
912 reset->msg_len = cpu_to_le32(sizeof(*reset));
5f81ff5a 913 priv->current_command_oid = 0;
7eaab708
JK		 914 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
915
916 mutex_unlock(&priv->command_lock);
917
918 if (ret < 0)
919 return ret;
920 return 0;
921}
922
bf164cc0
JK		 923/*
924 * Specs say that we can only set config parameters only soon after device
925 * initialization.
926 * value_type: 0 = u32, 2 = unicode string
927 */
928static int rndis_set_config_parameter(struct usbnet *dev, char *param,
929 int value_type, void *value)
930{
1e41e1d2 931 struct ndis_config_param *infobuf;
bf164cc0
JK		 932 int value_len, info_len, param_len, ret, i;
933 __le16 *unibuf;
934 __le32 *dst_value;
935
936 if (value_type == 0)
937 value_len = sizeof(__le32);
938 else if (value_type == 2)
939 value_len = strlen(value) * sizeof(__le16);
940 else
941 return -EINVAL;
942
943 param_len = strlen(param) * sizeof(__le16);
944 info_len = sizeof(*infobuf) + param_len + value_len;
945
946#ifdef DEBUG
947 info_len += 12;
948#endif
949 infobuf = kmalloc(info_len, GFP_KERNEL);
950 if (!infobuf)
951 return -ENOMEM;
952
953#ifdef DEBUG
954 info_len -= 12;
955 /* extra 12 bytes are for padding (debug output) */
956 memset(infobuf, 0xCC, info_len + 12);
957#endif
958
959 if (value_type == 2)
60b86755
JP		 960 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
961 param, (u8 *)value);
bf164cc0 962 else
60b86755
JP		 963 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
964 param, *(u32 *)value);
bf164cc0 965
461b3f2a
JK		 966 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
967 infobuf->name_length = cpu_to_le32(param_len);
968 infobuf->type = cpu_to_le32(value_type);
969 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
970 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 971
972 /* simple string to unicode string conversion */
973 unibuf = (void *)infobuf + sizeof(*infobuf);
974 for (i = 0; i < param_len / sizeof(__le16); i++)
975 unibuf[i] = cpu_to_le16(param[i]);
976
977 if (value_type == 2) {
978 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
979 for (i = 0; i < value_len / sizeof(__le16); i++)
980 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
981 } else {
982 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
983 *dst_value = cpu_to_le32(*(u32 *)value);
984 }
985
986#ifdef DEBUG
60b86755 987 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
bf164cc0
JK		 988 for (i = 0; i < info_len; i += 12) {
989 u32 *tmp = (u32 *)((u8 *)infobuf + i);
60b86755
JP		 990 netdev_dbg(dev->net, "%08X:%08X:%08X\n",
991 cpu_to_be32(tmp[0]),
992 cpu_to_be32(tmp[1]),
993 cpu_to_be32(tmp[2]));
bf164cc0
JK		 994 }
995#endif
996
997 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
998 infobuf, info_len);
999 if (ret != 0)
60b86755
JP		 1000 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
1001 ret);
bf164cc0
JK		 1002
1003 kfree(infobuf);
1004 return ret;
1005}
1006
1007static int rndis_set_config_parameter_str(struct usbnet *dev,
1008 char *param, char *value)
1009{
c5c4fe90 1010 return rndis_set_config_parameter(dev, param, 2, value);
bf164cc0
JK		 1011}
1012
bf164cc0
JK		 1013/*
1014 * data conversion functions
1015 */
1016static int level_to_qual(int level)
1017{
1018 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
1019 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
1020}
1021
bf164cc0
JK		 1022/*
1023 * common functions
1024 */
9f77ccab 1025static int set_infra_mode(struct usbnet *usbdev, int mode);
b7cfc5b3 1026static void restore_keys(struct usbnet *usbdev);
b5257c95
JK		 1027static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
1028 bool *matched);
bf164cc0 1029
5cb56af2
JK		 1030static int rndis_start_bssid_list_scan(struct usbnet *usbdev)
1031{
1032 __le32 tmp;
1033
1034 /* Note: OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
1035 tmp = cpu_to_le32(1);
1036 return rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1037 sizeof(tmp));
1038}
1039
1e41e1d2 1040static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0 1041{
582241a0 1042 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1043 int ret;
1044
1045 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
5c52323e 1046 if (ret < 0) {
60b86755 1047 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
5c52323e
JK		 1048 return ret;
1049 }
bf164cc0 1050 if (ret == 0) {
051ae0bf 1051 priv->radio_on = true;
60b86755 1052 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
bf164cc0
JK		 1053 }
1054
1055 return ret;
1056}
1057
22288a58 1058static int set_bssid(struct usbnet *usbdev, const u8 *bssid)
5c52323e
JK		 1059{
1060 int ret;
1061
1062 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1063 if (ret < 0) {
60b86755
JP		 1064 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
1065 bssid, ret);
5c52323e
JK		 1066 return ret;
1067 }
1068
1069 return ret;
1070}
1071
1072static int clear_bssid(struct usbnet *usbdev)
1073{
22288a58
JP		 1074 static const u8 broadcast_mac[ETH_ALEN] = {
1075 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
1076 };
5c52323e
JK		 1077
1078 return set_bssid(usbdev, broadcast_mac);
1079}
bf164cc0
JK		 1080
1081static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
1082{
1083 int ret, len;
1084
1085 len = ETH_ALEN;
1086 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
1087
1088 if (ret != 0)
1089 memset(bssid, 0, ETH_ALEN);
1090
1091 return ret;
1092}
1093
4364623c
SA		 1094static int get_association_info(struct usbnet *usbdev,
1095 struct ndis_80211_assoc_info *info, int len)
1096{
1097 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
1098 info, &len);
1099}
bf164cc0 1100
5c52323e 1101static bool is_associated(struct usbnet *usbdev)
bf164cc0 1102{
5c52323e 1103 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1104 u8 bssid[ETH_ALEN];
1105 int ret;
1106
5c52323e
JK		 1107 if (!priv->radio_on)
1108 return false;
1109
bf164cc0
JK		 1110 ret = get_bssid(usbdev, bssid);
1111
7b1fff99 1112 return (ret == 0 && !is_zero_ether_addr(bssid));
bf164cc0
JK		 1113}
1114
051ae0bf 1115static int disassociate(struct usbnet *usbdev, bool reset_ssid)
bf164cc0 1116{
582241a0 1117 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1118 struct ndis_80211_ssid ssid;
bf164cc0
JK		 1119 int i, ret = 0;
1120
1121 if (priv->radio_on) {
1122 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1123 if (ret == 0) {
051ae0bf 1124 priv->radio_on = false;
60b86755
JP		 1125 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1126 __func__);
bf164cc0
JK		 1127
1128 if (reset_ssid)
1129 msleep(100);
1130 }
1131 }
1132
1133 /* disassociate causes radio to be turned off; if reset_ssid
1134 * is given, set random ssid to enable radio */
1135 if (reset_ssid) {
9f77ccab
JK		 1136 /* Set device to infrastructure mode so we don't get ad-hoc
1137 * 'media connect' indications with the random ssid.
1138 */
1139 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1140
461b3f2a
JK		 1141 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1142 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1143 ssid.essid[0] = 0x1;
1144 ssid.essid[1] = 0xff;
1145 for (i = 2; i < sizeof(ssid.essid); i++)
1146 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 1147 ret = set_essid(usbdev, &ssid);
1148 }
1149 return ret;
1150}
1151
5c52323e
JK		 1152static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1153 enum nl80211_auth_type auth_type, int keymgmt)
bf164cc0 1154{
582241a0 1155 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1156 __le32 tmp;
1157 int auth_mode, ret;
1158
60b86755
JP		 1159 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1160 __func__, wpa_version, auth_type, keymgmt);
bf164cc0 1161
5c52323e
JK		 1162 if (wpa_version & NL80211_WPA_VERSION_2) {
1163 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1164 auth_mode = NDIS_80211_AUTH_WPA2;
bf164cc0 1165 else
aa18294a 1166 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
5c52323e
JK		 1167 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1168 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1169 auth_mode = NDIS_80211_AUTH_WPA;
5c52323e 1170 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
aa18294a 1171 auth_mode = NDIS_80211_AUTH_WPA_PSK;
bf164cc0 1172 else
aa18294a 1173 auth_mode = NDIS_80211_AUTH_WPA_NONE;
5c52323e
JK		 1174 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1175 auth_mode = NDIS_80211_AUTH_SHARED;
1176 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
aa18294a 1177 auth_mode = NDIS_80211_AUTH_OPEN;
634a555c
JK		 1178 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1179 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
5c52323e
JK		 1180 else
1181 return -ENOTSUPP;
bf164cc0
JK		 1182
1183 tmp = cpu_to_le32(auth_mode);
1184 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1185 sizeof(tmp));
1186 if (ret != 0) {
60b86755
JP		 1187 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1188 ret);
bf164cc0
JK		 1189 return ret;
1190 }
1191
1192 priv->wpa_version = wpa_version;
5c52323e 1193
bf164cc0
JK		 1194 return 0;
1195}
1196
bf164cc0
JK		 1197static int set_priv_filter(struct usbnet *usbdev)
1198{
582241a0 1199 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1200 __le32 tmp;
1201
60b86755
JP		 1202 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1203 __func__, priv->wpa_version);
bf164cc0 1204
5c52323e
JK		 1205 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1206 priv->wpa_version & NL80211_WPA_VERSION_1)
aa18294a 1207 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
bf164cc0 1208 else
aa18294a 1209 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
bf164cc0
JK		 1210
1211 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1212 sizeof(tmp));
1213}
1214
bf164cc0
JK		 1215static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1216{
bf164cc0
JK		 1217 __le32 tmp;
1218 int encr_mode, ret;
1219
60b86755
JP		 1220 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1221 __func__, pairwise, groupwise);
bf164cc0 1222
5c52323e 1223 if (pairwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1224 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1225 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1226 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
5c52323e 1227 else if (pairwise & RNDIS_WLAN_ALG_WEP)
aa18294a 1228 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
5c52323e 1229 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1230 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1231 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1232 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0 1233 else
aa18294a 1234 encr_mode = NDIS_80211_ENCR_DISABLED;
bf164cc0
JK		 1235
1236 tmp = cpu_to_le32(encr_mode);
1237 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1238 sizeof(tmp));
1239 if (ret != 0) {
60b86755
JP		 1240 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1241 ret);
bf164cc0
JK		 1242 return ret;
1243 }
1244
bf164cc0
JK		 1245 return 0;
1246}
1247
bf164cc0
JK		 1248static int set_infra_mode(struct usbnet *usbdev, int mode)
1249{
582241a0 1250 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 1251 __le32 tmp;
b7cfc5b3 1252 int ret;
bf164cc0 1253
60b86755
JP		 1254 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1255 __func__, priv->infra_mode);
bf164cc0
JK		 1256
1257 tmp = cpu_to_le32(mode);
1258 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1259 sizeof(tmp));
1260 if (ret != 0) {
60b86755
JP		 1261 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1262 ret);
bf164cc0
JK		 1263 return ret;
1264 }
1265
1266 /* NDIS drivers clear keys when infrastructure mode is
1267 * changed. But Linux tools assume otherwise. So set the
1268 * keys */
b7cfc5b3 1269 restore_keys(usbdev);
bf164cc0
JK		 1270
1271 priv->infra_mode = mode;
1272 return 0;
1273}
1274
d75ec2b7
JK		 1275static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1276{
1277 __le32 tmp;
1278
60b86755 1279 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
d75ec2b7
JK		 1280
1281 if (rts_threshold < 0 || rts_threshold > 2347)
1282 rts_threshold = 2347;
1283
1284 tmp = cpu_to_le32(rts_threshold);
1285 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1286 sizeof(tmp));
1287}
1288
d75ec2b7
JK		 1289static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1290{
1291 __le32 tmp;
1292
60b86755 1293 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
d75ec2b7
JK		 1294
1295 if (frag_threshold < 256 || frag_threshold > 2346)
1296 frag_threshold = 2346;
1297
1298 tmp = cpu_to_le32(frag_threshold);
1299 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1300 sizeof(tmp));
1301}
1302
bf164cc0
JK		 1303static void set_default_iw_params(struct usbnet *usbdev)
1304{
aa18294a 1305 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
5c52323e
JK		 1306 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1307 RNDIS_WLAN_KEY_MGMT_NONE);
bf164cc0 1308 set_priv_filter(usbdev);
5c52323e 1309 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1310}
1311
bf164cc0
JK		 1312static int deauthenticate(struct usbnet *usbdev)
1313{
1314 int ret;
1315
051ae0bf 1316 ret = disassociate(usbdev, true);
bf164cc0
JK		 1317 set_default_iw_params(usbdev);
1318 return ret;
1319}
1320
5c52323e
JK		 1321static int set_channel(struct usbnet *usbdev, int channel)
1322{
1323 struct ndis_80211_conf config;
1324 unsigned int dsconfig;
1325 int len, ret;
1326
60b86755 1327 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
5c52323e
JK		 1328
1329 /* this OID is valid only when not associated */
1330 if (is_associated(usbdev))
1331 return 0;
1332
1333 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1334
1335 len = sizeof(config);
1336 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1337 if (ret < 0) {
60b86755
JP		 1338 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1339 __func__);
5c52323e
JK		 1340 return ret;
1341 }
1342
1343 config.ds_config = cpu_to_le32(dsconfig);
1344 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1345 sizeof(config));
1346
60b86755 1347 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
5c52323e
JK		 1348
1349 return ret;
1350}
1351
cb82a66d 1352static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev,
f808e4ad 1353 u32 *beacon_period)
cb82a66d
JK		 1354{
1355 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1356 struct ieee80211_channel *channel;
1357 struct ndis_80211_conf config;
1358 int len, ret;
1359
1360 /* Get channel and beacon interval */
1361 len = sizeof(config);
1362 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1363 netdev_dbg(usbdev->net, "%s(): OID_802_11_CONFIGURATION -> %d\n",
1364 __func__, ret);
1365 if (ret < 0)
1366 return NULL;
1367
1368 channel = ieee80211_get_channel(priv->wdev.wiphy,
1369 KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
1370 if (!channel)
1371 return NULL;
1372
f808e4ad
JK		 1373 if (beacon_period)
1374 *beacon_period = le32_to_cpu(config.beacon_period);
cb82a66d
JK		 1375 return channel;
1376}
1377
bf164cc0 1378/* index must be 0 - N, as per NDIS */
5c52323e 1379static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
461bc26c 1380 u8 index)
bf164cc0 1381{
582241a0 1382 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1383 struct ndis_80211_wep_key ndis_key;
84bf8400
JK		 1384 u32 cipher;
1385 int ret;
1386
60b86755
JP		 1387 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1388 __func__, index, key_len);
bf164cc0 1389
461bc26c 1390 if (index >= RNDIS_WLAN_NUM_KEYS)
bf164cc0
JK		 1391 return -EINVAL;
1392
b7cfc5b3
JK		 1393 if (key_len == 5)
1394 cipher = WLAN_CIPHER_SUITE_WEP40;
f096ce6d 1395 else if (key_len == 13)
b7cfc5b3 1396 cipher = WLAN_CIPHER_SUITE_WEP104;
f096ce6d
JK		 1397 else
1398 return -EINVAL;
b7cfc5b3 1399
bf164cc0
JK		 1400 memset(&ndis_key, 0, sizeof(ndis_key));
1401
461b3f2a
JK		 1402 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1403 ndis_key.length = cpu_to_le32(key_len);
1404 ndis_key.index = cpu_to_le32(index);
1405 memcpy(&ndis_key.material, key, key_len);
bf164cc0
JK		 1406
1407 if (index == priv->encr_tx_key_index) {
aa18294a 1408 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
5c52323e
JK		 1409 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1410 RNDIS_WLAN_ALG_NONE);
bf164cc0 1411 if (ret)
60b86755
JP		 1412 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1413 ret);
bf164cc0
JK		 1414 }
1415
1416 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1417 sizeof(ndis_key));
1418 if (ret != 0) {
60b86755
JP		 1419 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1420 index + 1, ret);
bf164cc0
JK		 1421 return ret;
1422 }
1423
b7cfc5b3
JK		 1424 priv->encr_keys[index].len = key_len;
1425 priv->encr_keys[index].cipher = cipher;
1426 memcpy(&priv->encr_keys[index].material, key, key_len);
1427 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
bf164cc0
JK		 1428
1429 return 0;
1430}
1431
b145ee0c 1432static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
461bc26c 1433 u8 index, const u8 *addr, const u8 *rx_seq,
53d27eaf 1434 int seq_len, u32 cipher, __le32 flags)
b145ee0c 1435{
582241a0 1436 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b145ee0c 1437 struct ndis_80211_key ndis_key;
b7cfc5b3 1438 bool is_addr_ok;
b145ee0c
JK		 1439 int ret;
1440
461bc26c 1441 if (index >= RNDIS_WLAN_NUM_KEYS) {
60b86755
JP		 1442 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1443 __func__, index);
b145ee0c 1444 return -EINVAL;
b7cfc5b3
JK		 1445 }
1446 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
60b86755
JP		 1447 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1448 __func__, key_len);
b145ee0c 1449 return -EINVAL;
b7cfc5b3 1450 }
84bf8400
JK		 1451 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1452 if (!rx_seq || seq_len <= 0) {
60b86755
JP		 1453 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1454 __func__);
84bf8400
JK		 1455 return -EINVAL;
1456 }
1457 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
60b86755 1458 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
84bf8400
JK		 1459 return -EINVAL;
1460 }
b7cfc5b3 1461 }
84bf8400 1462
7b1fff99
JK		 1463 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1464 !is_broadcast_ether_addr(addr);
b7cfc5b3 1465 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
60b86755
JP		 1466 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1467 __func__, addr);
b145ee0c 1468 return -EINVAL;
b7cfc5b3 1469 }
b145ee0c 1470
60b86755
JP		 1471 netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
1472 __func__, index,
1473 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1474 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1475 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
b145ee0c
JK		 1476
1477 memset(&ndis_key, 0, sizeof(ndis_key));
1478
1479 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1480 sizeof(ndis_key.material) + key_len);
1481 ndis_key.length = cpu_to_le32(key_len);
1482 ndis_key.index = cpu_to_le32(index) | flags;
1483
b7cfc5b3 1484 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
b145ee0c
JK		 1485 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1486 * different order than NDIS spec, so swap the order here. */
1487 memcpy(ndis_key.material, key, 16);
1488 memcpy(ndis_key.material + 16, key + 24, 8);
1489 memcpy(ndis_key.material + 24, key + 16, 8);
1490 } else
1491 memcpy(ndis_key.material, key, key_len);
1492
aa18294a 1493 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
84bf8400 1494 memcpy(ndis_key.rsc, rx_seq, seq_len);
b145ee0c 1495
aa18294a 1496 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
b145ee0c 1497 /* pairwise key */
b7cfc5b3 1498 memcpy(ndis_key.bssid, addr, ETH_ALEN);
b145ee0c
JK		 1499 } else {
1500 /* group key */
aa18294a 1501 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
b145ee0c
JK		 1502 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1503 else
1504 get_bssid(usbdev, ndis_key.bssid);
1505 }
1506
1507 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1508 le32_to_cpu(ndis_key.size));
60b86755
JP		 1509 netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n",
1510 __func__, ret);
b145ee0c
JK		 1511 if (ret != 0)
1512 return ret;
1513
b7cfc5b3
JK		 1514 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1515 priv->encr_keys[index].len = key_len;
1516 priv->encr_keys[index].cipher = cipher;
1517 memcpy(&priv->encr_keys[index].material, key, key_len);
1518 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1519 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1520 else
1521 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
9839178e 1522
aa18294a 1523 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
b145ee0c
JK		 1524 priv->encr_tx_key_index = index;
1525
1526 return 0;
1527}
1528
461bc26c 1529static int restore_key(struct usbnet *usbdev, u8 key_idx)
b7cfc5b3
JK		 1530{
1531 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1532 struct rndis_wlan_encr_key key;
84bf8400
JK		 1533
1534 if (is_wpa_key(priv, key_idx))
1535 return 0;
b7cfc5b3
JK		 1536
1537 key = priv->encr_keys[key_idx];
1538
60b86755 1539 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
b7cfc5b3
JK		 1540
1541 if (key.len == 0)
1542 return 0;
1543
b7cfc5b3
JK		 1544 return add_wep_key(usbdev, key.material, key.len, key_idx);
1545}
1546
b7cfc5b3
JK		 1547static void restore_keys(struct usbnet *usbdev)
1548{
1549 int i;
1550
1551 for (i = 0; i < 4; i++)
1552 restore_key(usbdev, i);
1553}
1554
461bc26c 1555static void clear_key(struct rndis_wlan_private *priv, u8 idx)
b7cfc5b3
JK		 1556{
1557 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1558}
1559
bf164cc0 1560/* remove_key is for both wep and wpa */
461bc26c 1561static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid)
bf164cc0 1562{
582241a0 1563 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1564 struct ndis_80211_remove_key remove_key;
bf164cc0 1565 __le32 keyindex;
b7cfc5b3 1566 bool is_wpa;
bf164cc0
JK		 1567 int ret;
1568
ec3cbb9c
DC		 1569 if (index >= RNDIS_WLAN_NUM_KEYS)
1570 return -ENOENT;
1571
b7cfc5b3 1572 if (priv->encr_keys[index].len == 0)
bf164cc0
JK		 1573 return 0;
1574
b7cfc5b3 1575 is_wpa = is_wpa_key(priv, index);
bf164cc0 1576
60b86755
JP		 1577 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1578 __func__, index, is_wpa ? "wpa" : "wep",
1579 priv->encr_keys[index].len);
b7cfc5b3
JK		 1580
1581 clear_key(priv, index);
1582
1583 if (is_wpa) {
461b3f2a
JK		 1584 remove_key.size = cpu_to_le32(sizeof(remove_key));
1585 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 1586 if (bssid) {
1587 /* pairwise key */
7b1fff99 1588 if (!is_broadcast_ether_addr(bssid))
b4703a2e 1589 remove_key.index |=
aa18294a 1590 NDIS_80211_ADDKEY_PAIRWISE_KEY;
461b3f2a
JK		 1591 memcpy(remove_key.bssid, bssid,
1592 sizeof(remove_key.bssid));
bf164cc0 1593 } else
461b3f2a
JK		 1594 memset(remove_key.bssid, 0xff,
1595 sizeof(remove_key.bssid));
bf164cc0
JK		 1596
1597 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1598 sizeof(remove_key));
1599 if (ret != 0)
1600 return ret;
1601 } else {
1602 keyindex = cpu_to_le32(index);
1603 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1604 sizeof(keyindex));
1605 if (ret != 0) {
60b86755
JP		 1606 netdev_warn(usbdev->net,
1607 "removing encryption key %d failed (%08X)\n",
1608 index, ret);
bf164cc0
JK		 1609 return ret;
1610 }
1611 }
1612
1613 /* if it is transmit key, disable encryption */
1614 if (index == priv->encr_tx_key_index)
5c52323e 1615 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1616
1617 return 0;
1618}
1619
bf164cc0
JK		 1620static void set_multicast_list(struct usbnet *usbdev)
1621{
582241a0 1622 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
22bedad3 1623 struct netdev_hw_addr *ha;
12c3400a
JP		 1624 __le32 filter, basefilter;
1625 int ret;
1626 char *mc_addrs = NULL;
1627 int mc_count;
bf164cc0 1628
12c3400a
JP		 1629 basefilter = filter = RNDIS_PACKET_TYPE_DIRECTED |
1630 RNDIS_PACKET_TYPE_BROADCAST;
bf164cc0
JK		 1631
1632 if (usbdev->net->flags & IFF_PROMISC) {
1633 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1634 RNDIS_PACKET_TYPE_ALL_LOCAL;
12c3400a
JP		 1635 } else if (usbdev->net->flags & IFF_ALLMULTI) {
1636 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1637 }
1638
1639 if (filter != basefilter)
1640 goto set_filter;
1641
1642 /*
1643 * mc_list should be accessed holding the lock, so copy addresses to
1644 * local buffer first.
1645 */
1646 netif_addr_lock_bh(usbdev->net);
1647 mc_count = netdev_mc_count(usbdev->net);
1648 if (mc_count > priv->multicast_size) {
bf164cc0 1649 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
12c3400a
JP		 1650 } else if (mc_count) {
1651 int i = 0;
1652
1653 mc_addrs = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC);
1654 if (!mc_addrs) {
60b86755
JP		 1655 netdev_warn(usbdev->net,
1656 "couldn't alloc %d bytes of memory\n",
12c3400a 1657 mc_count * ETH_ALEN);
655ffee2 1658 netif_addr_unlock_bh(usbdev->net);
bf164cc0
JK		 1659 return;
1660 }
1661
22bedad3 1662 netdev_for_each_mc_addr(ha, usbdev->net)
12c3400a 1663 memcpy(mc_addrs + i++ * ETH_ALEN,
22bedad3 1664 ha->addr, ETH_ALEN);
12c3400a
JP		 1665 }
1666 netif_addr_unlock_bh(usbdev->net);
bf164cc0 1667
12c3400a
JP		 1668 if (filter != basefilter)
1669 goto set_filter;
1670
1671 if (mc_count) {
1672 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, mc_addrs,
1673 mc_count * ETH_ALEN);
1674 kfree(mc_addrs);
1675 if (ret == 0)
bf164cc0
JK		 1676 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1677 else
1678 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1679
60b86755 1680 netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
12c3400a 1681 mc_count, priv->multicast_size, ret);
bf164cc0
JK		 1682 }
1683
12c3400a 1684set_filter:
bf164cc0
JK		 1685 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1686 sizeof(filter));
1687 if (ret < 0) {
60b86755
JP		 1688 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1689 le32_to_cpu(filter));
bf164cc0
JK		 1690 }
1691
60b86755
JP		 1692 netdev_dbg(usbdev->net, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1693 le32_to_cpu(filter), ret);
bf164cc0
JK		 1694}
1695
5a7d0583
JK		 1696#ifdef DEBUG
1697static void debug_print_pmkids(struct usbnet *usbdev,
1698 struct ndis_80211_pmkid *pmkids,
1699 const char *func_str)
1700{
1701 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1702 int i, len, count, max_pmkids, entry_len;
1703
1704 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1705 len = le32_to_cpu(pmkids->length);
1706 count = le32_to_cpu(pmkids->bssid_info_count);
1707
1708 entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1;
1709
1710 netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: "
1711 "%d)\n", func_str, count, len, entry_len);
1712
1713 if (count > max_pmkids)
1714 count = max_pmkids;
1715
1716 for (i = 0; i < count; i++) {
1717 u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid;
1718
1719 netdev_dbg(usbdev->net, "%s(): bssid: %pM, "
1720 "pmkid: %08X:%08X:%08X:%08X\n",
1721 func_str, pmkids->bssid_info[i].bssid,
1722 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
1723 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
1724 }
1725}
1726#else
1727static void debug_print_pmkids(struct usbnet *usbdev,
1728 struct ndis_80211_pmkid *pmkids,
1729 const char *func_str)
1730{
1731 return;
1732}
1733#endif
1734
1735static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev)
1736{
1737 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1738 struct ndis_80211_pmkid *pmkids;
1739 int len, ret, max_pmkids;
1740
1741 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1742 len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]);
1743
1744 pmkids = kzalloc(len, GFP_KERNEL);
1745 if (!pmkids)
1746 return ERR_PTR(-ENOMEM);
1747
1748 pmkids->length = cpu_to_le32(len);
1749 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1750
1751 ret = rndis_query_oid(usbdev, OID_802_11_PMKID, pmkids, &len);
1752 if (ret < 0) {
1753 netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d)"
1754 " -> %d\n", __func__, len, max_pmkids, ret);
1755
1756 kfree(pmkids);
1757 return ERR_PTR(ret);
1758 }
1759
1760 if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids)
1761 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1762
1763 debug_print_pmkids(usbdev, pmkids, __func__);
1764
1765 return pmkids;
1766}
1767
1768static int set_device_pmkids(struct usbnet *usbdev,
1769 struct ndis_80211_pmkid *pmkids)
1770{
1771 int ret, len, num_pmkids;
1772
1773 num_pmkids = le32_to_cpu(pmkids->bssid_info_count);
1774 len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]);
1775 pmkids->length = cpu_to_le32(len);
1776
1777 debug_print_pmkids(usbdev, pmkids, __func__);
1778
1779 ret = rndis_set_oid(usbdev, OID_802_11_PMKID, pmkids,
1780 le32_to_cpu(pmkids->length));
1781 if (ret < 0) {
1782 netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d) -> %d"
1783 "\n", __func__, len, num_pmkids, ret);
1784 }
1785
1786 kfree(pmkids);
1787 return ret;
1788}
1789
1790static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev,
1791 struct ndis_80211_pmkid *pmkids,
1792 struct cfg80211_pmksa *pmksa,
1793 int max_pmkids)
1794{
551d6fe6
DC		 1795 int i, newlen, err;
1796 unsigned int count;
5a7d0583 1797
5a7d0583
JK		 1798 count = le32_to_cpu(pmkids->bssid_info_count);
1799
1800 if (count > max_pmkids)
1801 count = max_pmkids;
1802
1803 for (i = 0; i < count; i++)
1804 if (!compare_ether_addr(pmkids->bssid_info[i].bssid,
1805 pmksa->bssid))
1806 break;
1807
1808 /* pmkid not found */
1809 if (i == count) {
1810 netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n",
1811 __func__, pmksa->bssid);
1812 err = -ENOENT;
1813 goto error;
1814 }
1815
1816 for (; i + 1 < count; i++)
1817 pmkids->bssid_info[i] = pmkids->bssid_info[i + 1];
1818
1819 count--;
1820 newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]);
1821
1822 pmkids->length = cpu_to_le32(newlen);
1823 pmkids->bssid_info_count = cpu_to_le32(count);
1824
1825 return pmkids;
1826error:
1827 kfree(pmkids);
1828 return ERR_PTR(err);
1829}
1830
1831static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev,
1832 struct ndis_80211_pmkid *pmkids,
1833 struct cfg80211_pmksa *pmksa,
1834 int max_pmkids)
1835{
551d6fe6
DC		 1836 int i, err, newlen;
1837 unsigned int count;
5a7d0583 1838
5a7d0583
JK		 1839 count = le32_to_cpu(pmkids->bssid_info_count);
1840
1841 if (count > max_pmkids)
1842 count = max_pmkids;
1843
1844 /* update with new pmkid */
1845 for (i = 0; i < count; i++) {
1846 if (compare_ether_addr(pmkids->bssid_info[i].bssid,
1847 pmksa->bssid))
1848 continue;
1849
1850 memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid,
1851 WLAN_PMKID_LEN);
1852
1853 return pmkids;
1854 }
1855
1856 /* out of space, return error */
1857 if (i == max_pmkids) {
1858 netdev_dbg(usbdev->net, "%s(): out of space\n", __func__);
1859 err = -ENOSPC;
1860 goto error;
1861 }
1862
1863 /* add new pmkid */
1864 newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]);
1865
1866 pmkids = krealloc(pmkids, newlen, GFP_KERNEL);
1867 if (!pmkids) {
1868 err = -ENOMEM;
1869 goto error;
1870 }
1871
1872 pmkids->length = cpu_to_le32(newlen);
1873 pmkids->bssid_info_count = cpu_to_le32(count + 1);
1874
1875 memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN);
1876 memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
1877
1878 return pmkids;
1879error:
1880 kfree(pmkids);
1881 return ERR_PTR(err);
1882}
1883
964c1d41
JL		 1884/*
1885 * cfg80211 ops
1886 */
e36d56b6
JB		 1887static int rndis_change_virtual_intf(struct wiphy *wiphy,
1888 struct net_device *dev,
964c1d41
JL		 1889 enum nl80211_iftype type, u32 *flags,
1890 struct vif_params *params)
1891{
16139172
JK		 1892 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1893 struct usbnet *usbdev = priv->usbdev;
964c1d41
JL		 1894 int mode;
1895
964c1d41
JL		 1896 switch (type) {
1897 case NL80211_IFTYPE_ADHOC:
aa18294a 1898 mode = NDIS_80211_INFRA_ADHOC;
964c1d41
JL		 1899 break;
1900 case NL80211_IFTYPE_STATION:
aa18294a 1901 mode = NDIS_80211_INFRA_INFRA;
964c1d41
JL		 1902 break;
1903 default:
1904 return -EINVAL;
1905 }
1906
16139172
JK		 1907 priv->wdev.iftype = type;
1908
964c1d41
JL		 1909 return set_infra_mode(usbdev, mode);
1910}
1911
d75ec2b7
JK		 1912static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1913{
1914 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1915 struct usbnet *usbdev = priv->usbdev;
1916 int err;
1917
1918 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1919 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1920 if (err < 0)
1921 return err;
1922 }
1923
1924 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1925 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1926 if (err < 0)
1927 return err;
1928 }
1929
1930 return 0;
1931}
1932
fa61cf70
JO		 1933static int rndis_set_tx_power(struct wiphy *wiphy,
1934 enum nl80211_tx_power_setting type,
1935 int mbm)
222ec50a
JK		 1936{
1937 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1938 struct usbnet *usbdev = priv->usbdev;
1939
fa61cf70
JO		 1940 netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n",
1941 __func__, type, mbm);
1942
1943 if (mbm < 0 || (mbm % 100))
1944 return -ENOTSUPP;
222ec50a
JK		 1945
1946 /* Device doesn't support changing txpower after initialization, only
1947 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1948 * currently used.
1949 */
fa61cf70
JO		 1950 if (type == NL80211_TX_POWER_AUTOMATIC ||
1951 MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) {
222ec50a 1952 if (!priv->radio_on)
051ae0bf 1953 disassociate(usbdev, true); /* turn on radio */
222ec50a
JK		 1954
1955 return 0;
1956 }
1957
1958 return -ENOTSUPP;
1959}
1960
222ec50a
JK		 1961static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1962{
1963 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1964 struct usbnet *usbdev = priv->usbdev;
1965
1966 *dbm = get_bcm4320_power_dbm(priv);
1967
60b86755 1968 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
222ec50a
JK		 1969
1970 return 0;
1971}
1972
b1d25a67 1973#define SCAN_DELAY_JIFFIES (6 * HZ)
71a7b26d
JK		 1974static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1975 struct cfg80211_scan_request *request)
1976{
1977 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1978 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d 1979 int ret;
5cb56af2 1980 int delay = SCAN_DELAY_JIFFIES;
71a7b26d 1981
60b86755 1982 netdev_dbg(usbdev->net, "cfg80211.scan\n");
71a7b26d 1983
db0dd396
JK		 1984 /* Get current bssid list from device before new scan, as new scan
1985 * clears internal bssid list.
1986 */
b5257c95 1987 rndis_check_bssid_list(usbdev, NULL, NULL);
db0dd396 1988
71a7b26d
JK		 1989 if (!request)
1990 return -EINVAL;
1991
1992 if (priv->scan_request && priv->scan_request != request)
1993 return -EBUSY;
1994
1995 priv->scan_request = request;
1996
5cb56af2 1997 ret = rndis_start_bssid_list_scan(usbdev);
71a7b26d 1998 if (ret == 0) {
5cb56af2
JK		 1999 if (priv->device_type == RNDIS_BCM4320A)
2000 delay = HZ;
2001
71a7b26d 2002 /* Wait before retrieving scan results from device */
5cb56af2 2003 queue_delayed_work(priv->workqueue, &priv->scan_work, delay);
71a7b26d
JK		 2004 }
2005
2006 return ret;
2007}
2008
a64e2e23
JK		 2009static bool rndis_bss_info_update(struct usbnet *usbdev,
2010 struct ndis_80211_bssid_ex *bssid)
71a7b26d 2011{
582241a0 2012 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d 2013 struct ieee80211_channel *channel;
a64e2e23 2014 struct cfg80211_bss *bss;
71a7b26d
JK		 2015 s32 signal;
2016 u64 timestamp;
2017 u16 capability;
2018 u16 beacon_interval;
2019 struct ndis_80211_fixed_ies *fixed;
2020 int ie_len, bssid_len;
2021 u8 *ie;
2022
bfe3850b
JK		 2023 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n",
2024 bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length));
5fd8f250 2025
71a7b26d
JK		 2026 /* parse bssid structure */
2027 bssid_len = le32_to_cpu(bssid->length);
2028
2029 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
2030 sizeof(struct ndis_80211_fixed_ies))
2031 return NULL;
2032
2033 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
2034
2035 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
2036 ie_len = min(bssid_len - (int)sizeof(*bssid),
2037 (int)le32_to_cpu(bssid->ie_length));
2038 ie_len -= sizeof(struct ndis_80211_fixed_ies);
2039 if (ie_len < 0)
2040 return NULL;
2041
2042 /* extract data for cfg80211_inform_bss */
2043 channel = ieee80211_get_channel(priv->wdev.wiphy,
2044 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
2045 if (!channel)
2046 return NULL;
2047
2048 signal = level_to_qual(le32_to_cpu(bssid->rssi));
2049 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
2050 capability = le16_to_cpu(fixed->capabilities);
2051 beacon_interval = le16_to_cpu(fixed->beacon_interval);
2052
a64e2e23 2053 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
71a7b26d
JK		 2054 timestamp, capability, beacon_interval, ie, ie_len, signal,
2055 GFP_KERNEL);
a64e2e23
JK		 2056 cfg80211_put_bss(bss);
2057
2058 return (bss != NULL);
71a7b26d
JK		 2059}
2060
bfe3850b
JK		 2061static struct ndis_80211_bssid_ex *next_bssid_list_item(
2062 struct ndis_80211_bssid_ex *bssid,
2063 int *bssid_len, void *buf, int len)
2064{
2065 void *buf_end, *bssid_end;
2066
2067 buf_end = (char *)buf + len;
2068 bssid_end = (char *)bssid + *bssid_len;
2069
2070 if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) {
2071 *bssid_len = 0;
2072 return NULL;
2073 } else {
2074 bssid = (void *)((char *)bssid + *bssid_len);
2075 *bssid_len = le32_to_cpu(bssid->length);
2076 return bssid;
2077 }
2078}
2079
2080static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid,
2081 int bssid_len, void *buf, int len)
2082{
2083 void *buf_end, *bssid_end;
2084
2085 if (!bssid || bssid_len <= 0 || bssid_len > len)
2086 return false;
2087
2088 buf_end = (char *)buf + len;
2089 bssid_end = (char *)bssid + bssid_len;
2090
2091 return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0;
2092}
2093
b5257c95
JK		 2094static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
2095 bool *matched)
71a7b26d
JK		 2096{
2097 void *buf = NULL;
2098 struct ndis_80211_bssid_list_ex *bssid_list;
2099 struct ndis_80211_bssid_ex *bssid;
bfe3850b 2100 int ret = -EINVAL, len, count, bssid_len, real_count, new_len;
71a7b26d 2101
bfe3850b 2102 netdev_dbg(usbdev->net, "%s()\n", __func__);
71a7b26d
JK		 2103
2104 len = CONTROL_BUFFER_SIZE;
5fd8f250 2105resize_buf:
bfe3850b 2106 buf = kzalloc(len, GFP_KERNEL);
71a7b26d
JK		 2107 if (!buf) {
2108 ret = -ENOMEM;
2109 goto out;
2110 }
2111
bfe3850b
JK		 2112 /* BSSID-list might have got bigger last time we checked, keep
2113 * resizing until it won't get any bigger.
2114 */
2115 new_len = len;
2116 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &new_len);
2117 if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex))
71a7b26d
JK		 2118 goto out;
2119
bfe3850b
JK		 2120 if (new_len > len) {
2121 len = new_len;
5fd8f250
JK		 2122 kfree(buf);
2123 goto resize_buf;
2124 }
2125
bfe3850b
JK		 2126 len = new_len;
2127
71a7b26d 2128 bssid_list = buf;
71a7b26d 2129 count = le32_to_cpu(bssid_list->num_items);
bfe3850b
JK		 2130 real_count = 0;
2131 netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len);
2132
2133 bssid_len = 0;
2134 bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len);
71a7b26d 2135
bfe3850b
JK		 2136 /* Device returns incorrect 'num_items'. Workaround by ignoring the
2137 * received 'num_items' and walking through full bssid buffer instead.
2138 */
2139 while (check_bssid_list_item(bssid, bssid_len, buf, len)) {
b5257c95
JK		 2140 if (rndis_bss_info_update(usbdev, bssid) && match_bssid &&
2141 matched) {
2142 if (compare_ether_addr(bssid->mac, match_bssid))
2143 *matched = true;
2144 }
71a7b26d 2145
bfe3850b
JK		 2146 real_count++;
2147 bssid = next_bssid_list_item(bssid, &bssid_len, buf, len);
71a7b26d
JK		 2148 }
2149
bfe3850b
JK		 2150 netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:"
2151 " %d\n", __func__, count, real_count);
2152
71a7b26d
JK		 2153out:
2154 kfree(buf);
2155 return ret;
2156}
2157
71a7b26d
JK		 2158static void rndis_get_scan_results(struct work_struct *work)
2159{
582241a0
JK		 2160 struct rndis_wlan_private *priv =
2161 container_of(work, struct rndis_wlan_private, scan_work.work);
71a7b26d
JK		 2162 struct usbnet *usbdev = priv->usbdev;
2163 int ret;
2164
60b86755 2165 netdev_dbg(usbdev->net, "get_scan_results\n");
71a7b26d 2166
005ba2f1
JK		 2167 if (!priv->scan_request)
2168 return;
2169
b5257c95 2170 ret = rndis_check_bssid_list(usbdev, NULL, NULL);
71a7b26d
JK		 2171
2172 cfg80211_scan_done(priv->scan_request, ret < 0);
2173
2174 priv->scan_request = NULL;
2175}
2176
5c52323e
JK		 2177static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
2178 struct cfg80211_connect_params *sme)
2179{
2180 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2181 struct usbnet *usbdev = priv->usbdev;
2182 struct ieee80211_channel *channel = sme->channel;
2183 struct ndis_80211_ssid ssid;
2184 int pairwise = RNDIS_WLAN_ALG_NONE;
2185 int groupwise = RNDIS_WLAN_ALG_NONE;
2186 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
2187 int length, i, ret, chan = -1;
2188
2189 if (channel)
2190 chan = ieee80211_frequency_to_channel(channel->center_freq);
2191
2192 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
2193 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
2194 pairwise |=
2195 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
2196
2197 if (sme->crypto.n_ciphers_pairwise > 0 &&
2198 pairwise == RNDIS_WLAN_ALG_NONE) {
60b86755 2199 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
5c52323e
JK		 2200 return -ENOTSUPP;
2201 }
2202
2203 for (i = 0; i < sme->crypto.n_akm_suites; i++)
2204 keymgmt |=
2205 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
2206
2207 if (sme->crypto.n_akm_suites > 0 &&
2208 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
60b86755 2209 netdev_err(usbdev->net, "Invalid keymgmt\n");
5c52323e
JK		 2210 return -ENOTSUPP;
2211 }
2212
60b86755
JP		 2213 netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
2214 sme->ssid, sme->bssid, chan,
2215 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
2216 groupwise, pairwise, keymgmt);
5c52323e
JK		 2217
2218 if (is_associated(usbdev))
2219 disassociate(usbdev, false);
2220
2221 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
2222 if (ret < 0) {
60b86755
JP		 2223 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
2224 ret);
5c52323e
JK		 2225 goto err_turn_radio_on;
2226 }
2227
2228 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
2229 keymgmt);
2230 if (ret < 0) {
60b86755
JP		 2231 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
2232 ret);
5c52323e
JK		 2233 goto err_turn_radio_on;
2234 }
2235
2236 set_priv_filter(usbdev);
2237
2238 ret = set_encr_mode(usbdev, pairwise, groupwise);
2239 if (ret < 0) {
60b86755
JP		 2240 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
2241 ret);
5c52323e
JK		 2242 goto err_turn_radio_on;
2243 }
2244
2245 if (channel) {
2246 ret = set_channel(usbdev, chan);
2247 if (ret < 0) {
60b86755
JP		 2248 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
2249 ret);
5c52323e
JK		 2250 goto err_turn_radio_on;
2251 }
2252 }
2253
2254 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
2255 priv->encr_tx_key_index = sme->key_idx;
2256 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
2257 if (ret < 0) {
60b86755
JP		 2258 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
2259 ret, sme->key_len, sme->key_idx);
5c52323e
JK		 2260 goto err_turn_radio_on;
2261 }
2262 }
2263
2264 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
2265 !is_broadcast_ether_addr(sme->bssid)) {
2266 ret = set_bssid(usbdev, sme->bssid);
2267 if (ret < 0) {
60b86755
JP		 2268 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
2269 ret);
5c52323e
JK		 2270 goto err_turn_radio_on;
2271 }
2272 } else
2273 clear_bssid(usbdev);
2274
2275 length = sme->ssid_len;
2276 if (length > NDIS_802_11_LENGTH_SSID)
2277 length = NDIS_802_11_LENGTH_SSID;
2278
2279 memset(&ssid, 0, sizeof(ssid));
2280 ssid.length = cpu_to_le32(length);
2281 memcpy(ssid.essid, sme->ssid, length);
2282
2283 /* Pause and purge rx queue, so we don't pass packets before
2284 * 'media connect'-indication.
2285 */
2286 usbnet_pause_rx(usbdev);
2287 usbnet_purge_paused_rxq(usbdev);
2288
2289 ret = set_essid(usbdev, &ssid);
2290 if (ret < 0)
60b86755 2291 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
5c52323e
JK		 2292 return ret;
2293
2294err_turn_radio_on:
051ae0bf 2295 disassociate(usbdev, true);
5c52323e
JK		 2296
2297 return ret;
2298}
2299
2300static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
2301 u16 reason_code)
2302{
2303 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2304 struct usbnet *usbdev = priv->usbdev;
2305
60b86755 2306 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
5c52323e
JK		 2307
2308 priv->connected = false;
8b89a288 2309 memset(priv->bssid, 0, ETH_ALEN);
5c52323e
JK		 2310
2311 return deauthenticate(usbdev);
2312}
2313
2314static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2315 struct cfg80211_ibss_params *params)
2316{
2317 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2318 struct usbnet *usbdev = priv->usbdev;
2319 struct ieee80211_channel *channel = params->channel;
2320 struct ndis_80211_ssid ssid;
2321 enum nl80211_auth_type auth_type;
2322 int ret, alg, length, chan = -1;
2323
2324 if (channel)
2325 chan = ieee80211_frequency_to_channel(channel->center_freq);
2326
2327 /* TODO: How to handle ad-hoc encryption?
2328 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
2329 * pre-shared for encryption (open/shared/wpa), is key set before
2330 * join_ibss? Which auth_type to use (not in params)? What about WPA?
2331 */
2332 if (params->privacy) {
2333 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
2334 alg = RNDIS_WLAN_ALG_WEP;
2335 } else {
2336 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2337 alg = RNDIS_WLAN_ALG_NONE;
2338 }
2339
60b86755
JP		 2340 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2341 params->ssid, params->bssid, chan, params->privacy);
5c52323e
JK		 2342
2343 if (is_associated(usbdev))
2344 disassociate(usbdev, false);
2345
2346 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
2347 if (ret < 0) {
60b86755
JP		 2348 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
2349 ret);
5c52323e
JK		 2350 goto err_turn_radio_on;
2351 }
2352
2353 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
2354 if (ret < 0) {
60b86755
JP		 2355 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
2356 ret);
5c52323e
JK		 2357 goto err_turn_radio_on;
2358 }
2359
2360 set_priv_filter(usbdev);
2361
2362 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
2363 if (ret < 0) {
60b86755
JP		 2364 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
2365 ret);
5c52323e
JK		 2366 goto err_turn_radio_on;
2367 }
2368
2369 if (channel) {
2370 ret = set_channel(usbdev, chan);
2371 if (ret < 0) {
60b86755
JP		 2372 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
2373 ret);
5c52323e
JK		 2374 goto err_turn_radio_on;
2375 }
2376 }
2377
2378 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2379 !is_broadcast_ether_addr(params->bssid)) {
2380 ret = set_bssid(usbdev, params->bssid);
2381 if (ret < 0) {
60b86755
JP		 2382 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
2383 ret);
5c52323e
JK		 2384 goto err_turn_radio_on;
2385 }
2386 } else
2387 clear_bssid(usbdev);
2388
2389 length = params->ssid_len;
2390 if (length > NDIS_802_11_LENGTH_SSID)
2391 length = NDIS_802_11_LENGTH_SSID;
2392
2393 memset(&ssid, 0, sizeof(ssid));
2394 ssid.length = cpu_to_le32(length);
2395 memcpy(ssid.essid, params->ssid, length);
2396
2397 /* Don't need to pause rx queue for ad-hoc. */
2398 usbnet_purge_paused_rxq(usbdev);
2399 usbnet_resume_rx(usbdev);
2400
2401 ret = set_essid(usbdev, &ssid);
2402 if (ret < 0)
60b86755
JP		 2403 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2404 ret);
5c52323e
JK		 2405 return ret;
2406
2407err_turn_radio_on:
051ae0bf 2408 disassociate(usbdev, true);
5c52323e
JK		 2409
2410 return ret;
2411}
2412
2413static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2414{
2415 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2416 struct usbnet *usbdev = priv->usbdev;
2417
60b86755 2418 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
5c52323e
JK		 2419
2420 priv->connected = false;
8b89a288 2421 memset(priv->bssid, 0, ETH_ALEN);
5c52323e
JK		 2422
2423 return deauthenticate(usbdev);
2424}
2425
f444de05 2426static int rndis_set_channel(struct wiphy *wiphy, struct net_device *netdev,
5554adbe
JK		 2427 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2428{
2429 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2430 struct usbnet *usbdev = priv->usbdev;
2431
2432 return set_channel(usbdev,
2433 ieee80211_frequency_to_channel(chan->center_freq));
2434}
71a7b26d 2435
84bf8400 2436static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213
JB		 2437 u8 key_index, bool pairwise, const u8 *mac_addr,
2438 struct key_params *params)
84bf8400
JK		 2439{
2440 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2441 struct usbnet *usbdev = priv->usbdev;
53d27eaf 2442 __le32 flags;
84bf8400 2443
60b86755
JP		 2444 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2445 __func__, key_index, mac_addr, params->cipher);
84bf8400
JK		 2446
2447 switch (params->cipher) {
2448 case WLAN_CIPHER_SUITE_WEP40:
2449 case WLAN_CIPHER_SUITE_WEP104:
2450 return add_wep_key(usbdev, params->key, params->key_len,
2451 key_index);
2452 case WLAN_CIPHER_SUITE_TKIP:
2453 case WLAN_CIPHER_SUITE_CCMP:
2454 flags = 0;
2455
2456 if (params->seq && params->seq_len > 0)
2457 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2458 if (mac_addr)
2459 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2460 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2461
2462 return add_wpa_key(usbdev, params->key, params->key_len,
2463 key_index, mac_addr, params->seq,
2464 params->seq_len, params->cipher, flags);
2465 default:
60b86755
JP		 2466 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2467 __func__, params->cipher);
84bf8400
JK		 2468 return -ENOTSUPP;
2469 }
2470}
2471
2472static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213 2473 u8 key_index, bool pairwise, const u8 *mac_addr)
84bf8400
JK		 2474{
2475 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2476 struct usbnet *usbdev = priv->usbdev;
2477
60b86755 2478 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
84bf8400
JK		 2479
2480 return remove_key(usbdev, key_index, mac_addr);
2481}
2482
2483static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
dbd2fd65 2484 u8 key_index, bool unicast, bool multicast)
84bf8400
JK		 2485{
2486 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2487 struct usbnet *usbdev = priv->usbdev;
2488 struct rndis_wlan_encr_key key;
2489
60b86755 2490 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
84bf8400 2491
ec3cbb9c
DC		 2492 if (key_index >= RNDIS_WLAN_NUM_KEYS)
2493 return -ENOENT;
2494
84bf8400
JK		 2495 priv->encr_tx_key_index = key_index;
2496
0b578021
JK		 2497 if (is_wpa_key(priv, key_index))
2498 return 0;
2499
84bf8400
JK		 2500 key = priv->encr_keys[key_index];
2501
2502 return add_wep_key(usbdev, key.material, key.len, key_index);
2503}
2504
8b89a288
JK		 2505static void rndis_fill_station_info(struct usbnet *usbdev,
2506 struct station_info *sinfo)
2507{
2508 __le32 linkspeed, rssi;
2509 int ret, len;
2510
2511 memset(sinfo, 0, sizeof(*sinfo));
2512
2513 len = sizeof(linkspeed);
2514 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
2515 if (ret == 0) {
2516 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2517 sinfo->filled |= STATION_INFO_TX_BITRATE;
2518 }
2519
2520 len = sizeof(rssi);
2521 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2522 if (ret == 0) {
2523 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2524 sinfo->filled |= STATION_INFO_SIGNAL;
2525 }
2526}
2527
2528static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2529 u8 *mac, struct station_info *sinfo)
2530{
2531 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2532 struct usbnet *usbdev = priv->usbdev;
2533
2534 if (compare_ether_addr(priv->bssid, mac))
2535 return -ENOENT;
2536
2537 rndis_fill_station_info(usbdev, sinfo);
2538
2539 return 0;
2540}
2541
d695df90
JK		 2542static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2543 int idx, u8 *mac, struct station_info *sinfo)
2544{
2545 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2546 struct usbnet *usbdev = priv->usbdev;
2547
2548 if (idx != 0)
2549 return -ENOENT;
2550
2551 memcpy(mac, priv->bssid, ETH_ALEN);
2552
2553 rndis_fill_station_info(usbdev, sinfo);
2554
2555 return 0;
2556}
2557
5a7d0583
JK		 2558static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2559 struct cfg80211_pmksa *pmksa)
2560{
2561 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2562 struct usbnet *usbdev = priv->usbdev;
2563 struct ndis_80211_pmkid *pmkids;
2564 u32 *tmp = (u32 *)pmksa->pmkid;
2565
2566 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2567 pmksa->bssid,
2568 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2569 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2570
2571 pmkids = get_device_pmkids(usbdev);
2572 if (IS_ERR(pmkids)) {
2573 /* couldn't read PMKID cache from device */
2574 return PTR_ERR(pmkids);
2575 }
2576
2577 pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2578 if (IS_ERR(pmkids)) {
2579 /* not found, list full, etc */
2580 return PTR_ERR(pmkids);
2581 }
2582
2583 return set_device_pmkids(usbdev, pmkids);
2584}
2585
2586static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2587 struct cfg80211_pmksa *pmksa)
2588{
2589 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2590 struct usbnet *usbdev = priv->usbdev;
2591 struct ndis_80211_pmkid *pmkids;
2592 u32 *tmp = (u32 *)pmksa->pmkid;
2593
2594 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2595 pmksa->bssid,
2596 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2597 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2598
2599 pmkids = get_device_pmkids(usbdev);
2600 if (IS_ERR(pmkids)) {
2601 /* Couldn't read PMKID cache from device */
2602 return PTR_ERR(pmkids);
2603 }
2604
2605 pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2606 if (IS_ERR(pmkids)) {
2607 /* not found, etc */
2608 return PTR_ERR(pmkids);
2609 }
2610
2611 return set_device_pmkids(usbdev, pmkids);
2612}
2613
2614static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
2615{
2616 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2617 struct usbnet *usbdev = priv->usbdev;
2618 struct ndis_80211_pmkid pmkid;
2619
2620 netdev_dbg(usbdev->net, "%s()\n", __func__);
2621
2622 memset(&pmkid, 0, sizeof(pmkid));
2623
2624 pmkid.length = cpu_to_le32(sizeof(pmkid));
2625 pmkid.bssid_info_count = cpu_to_le32(0);
2626
2627 return rndis_set_oid(usbdev, OID_802_11_PMKID, &pmkid, sizeof(pmkid));
2628}
2629
40d70dd1
JK		 2630static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2631 bool enabled, int timeout)
2632{
2633 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2634 struct usbnet *usbdev = priv->usbdev;
2635 int power_mode;
2636 __le32 mode;
2637 int ret;
2638
63453c05
JK		 2639 if (priv->device_type != RNDIS_BCM4320B)
2640 return -ENOTSUPP;
2641
40d70dd1
JK		 2642 netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__,
2643 enabled ? "enabled" : "disabled",
2644 timeout);
2645
2646 if (enabled)
2647 power_mode = NDIS_80211_POWER_MODE_FAST_PSP;
2648 else
2649 power_mode = NDIS_80211_POWER_MODE_CAM;
2650
2651 if (power_mode == priv->power_mode)
2652 return 0;
2653
2654 priv->power_mode = power_mode;
2655
2656 mode = cpu_to_le32(power_mode);
2657 ret = rndis_set_oid(usbdev, OID_802_11_POWER_MODE, &mode, sizeof(mode));
2658
2659 netdev_dbg(usbdev->net, "%s(): OID_802_11_POWER_MODE -> %d\n",
2660 __func__, ret);
2661
2662 return ret;
2663}
2664
49b35bd3
JK		 2665static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
2666 struct net_device *dev,
2667 s32 rssi_thold, u32 rssi_hyst)
2668{
2669 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2670
2671 priv->cqm_rssi_thold = rssi_thold;
2672 priv->cqm_rssi_hyst = rssi_hyst;
2673 priv->last_cqm_event_rssi = 0;
2674
2675 return 0;
2676}
2677
b5257c95
JK		 2678static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
2679 struct ndis_80211_assoc_info *info)
2680{
2681 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2682 struct ieee80211_channel *channel;
b5257c95 2683 struct ndis_80211_ssid ssid;
a64e2e23 2684 struct cfg80211_bss *bss;
b5257c95
JK		 2685 s32 signal;
2686 u64 timestamp;
2687 u16 capability;
f808e4ad 2688 u32 beacon_period = 0;
b5257c95
JK		 2689 __le32 rssi;
2690 u8 ie_buf[34];
2691 int len, ret, ie_len;
2692
2693 /* Get signal quality, in case of error use rssi=0 and ignore error. */
2694 len = sizeof(rssi);
2695 rssi = 0;
458fafdd 2696 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
b5257c95
JK		 2697 signal = level_to_qual(le32_to_cpu(rssi));
2698
2699 netdev_dbg(usbdev->net, "%s(): OID_802_11_RSSI -> %d, "
2700 "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi),
2701 level_to_qual(le32_to_cpu(rssi)));
2702
2703 /* Get AP capabilities */
2704 if (info) {
2705 capability = le16_to_cpu(info->resp_ie.capa);
2706 } else {
2707 /* Set atleast ESS/IBSS capability */
2708 capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ?
2709 WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS;
2710 }
2711
2712 /* Get channel and beacon interval */
f808e4ad 2713 channel = get_current_channel(usbdev, &beacon_period);
cb82a66d
JK		 2714 if (!channel) {
2715 netdev_warn(usbdev->net, "%s(): could not get channel.\n",
2716 __func__);
b5257c95
JK		 2717 return;
2718 }
2719
2720 /* Get SSID, in case of error, use zero length SSID and ignore error. */
2721 len = sizeof(ssid);
2722 memset(&ssid, 0, sizeof(ssid));
2723 ret = rndis_query_oid(usbdev, OID_802_11_SSID, &ssid, &len);
2724 netdev_dbg(usbdev->net, "%s(): OID_802_11_SSID -> %d, len: %d, ssid: "
2725 "'%.32s'\n", __func__, ret,
2726 le32_to_cpu(ssid.length), ssid.essid);
2727
2728 if (le32_to_cpu(ssid.length) > 32)
2729 ssid.length = cpu_to_le32(32);
2730
2731 ie_buf[0] = WLAN_EID_SSID;
2732 ie_buf[1] = le32_to_cpu(ssid.length);
2733 memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length));
2734
2735 ie_len = le32_to_cpu(ssid.length) + 2;
2736
2737 /* no tsf */
2738 timestamp = 0;
2739
2740 netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
2741 "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
2742 "signal:%d\n", __func__, (channel ? channel->center_freq : -1),
f808e4ad 2743 bssid, (u32)timestamp, capability, beacon_period, ie_len,
b5257c95
JK		 2744 ssid.essid, signal);
2745
a64e2e23 2746 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
f808e4ad 2747 timestamp, capability, beacon_period, ie_buf, ie_len,
b5257c95 2748 signal, GFP_KERNEL);
a64e2e23 2749 cfg80211_put_bss(bss);
b5257c95
JK		 2750}
2751
c5c4fe90
JK		 2752/*
2753 * workers, indication handlers, device poller
2754 */
0848e6c6 2755static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
bf164cc0 2756{
5c52323e 2757 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3d1ca47e 2758 struct ndis_80211_assoc_info *info = NULL;
0848e6c6 2759 u8 bssid[ETH_ALEN];
41eedf39
DC		 2760 unsigned int resp_ie_len, req_ie_len;
2761 unsigned int offset;
5c52323e 2762 u8 *req_ie, *resp_ie;
41eedf39 2763 int ret;
5c52323e 2764 bool roamed = false;
b5257c95 2765 bool match_bss;
bf164cc0 2766
5c52323e
JK		 2767 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2768 /* received media connect indication while connected, either
2769 * device reassociated with same AP or roamed to new. */
2770 roamed = true;
2771 }
0848e6c6 2772
5c52323e
JK		 2773 req_ie_len = 0;
2774 resp_ie_len = 0;
2775 req_ie = NULL;
2776 resp_ie = NULL;
2777
2778 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
3d1ca47e
JK		 2779 info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL);
2780 if (!info) {
2781 /* No memory? Try resume work later */
2782 set_bit(WORK_LINK_UP, &priv->work_pending);
2783 queue_work(priv->workqueue, &priv->work);
2784 return;
2785 }
5c52323e 2786
3d1ca47e
JK		 2787 /* Get association info IEs from device. */
2788 ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE);
5c52323e
JK		 2789 if (!ret) {
2790 req_ie_len = le32_to_cpu(info->req_ie_length);
41eedf39
DC		 2791 if (req_ie_len > CONTROL_BUFFER_SIZE)
2792 req_ie_len = CONTROL_BUFFER_SIZE;
2793 if (req_ie_len != 0) {
5c52323e 2794 offset = le32_to_cpu(info->offset_req_ies);
3d1ca47e
JK		 2795
2796 if (offset > CONTROL_BUFFER_SIZE)
2797 offset = CONTROL_BUFFER_SIZE;
2798
5c52323e 2799 req_ie = (u8 *)info + offset;
3d1ca47e
JK		 2800
2801 if (offset + req_ie_len > CONTROL_BUFFER_SIZE)
2802 req_ie_len =
2803 CONTROL_BUFFER_SIZE - offset;
5c52323e
JK		 2804 }
2805
2806 resp_ie_len = le32_to_cpu(info->resp_ie_length);
41eedf39
DC		 2807 if (resp_ie_len > CONTROL_BUFFER_SIZE)
2808 resp_ie_len = CONTROL_BUFFER_SIZE;
2809 if (resp_ie_len != 0) {
5c52323e 2810 offset = le32_to_cpu(info->offset_resp_ies);
3d1ca47e
JK		 2811
2812 if (offset > CONTROL_BUFFER_SIZE)
2813 offset = CONTROL_BUFFER_SIZE;
2814
5c52323e 2815 resp_ie = (u8 *)info + offset;
3d1ca47e
JK		 2816
2817 if (offset + resp_ie_len > CONTROL_BUFFER_SIZE)
2818 resp_ie_len =
2819 CONTROL_BUFFER_SIZE - offset;
5c52323e 2820 }
b5257c95
JK		 2821 } else {
2822 /* Since rndis_wlan_craft_connected_bss() might use info
2823 * later and expects info to contain valid data if
2824 * non-null, free info and set NULL here.
2825 */
2826 kfree(info);
2827 info = NULL;
4364623c 2828 }
5c52323e
JK		 2829 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2830 return;
4364623c 2831
5c52323e
JK		 2832 ret = get_bssid(usbdev, bssid);
2833 if (ret < 0)
2834 memset(bssid, 0, sizeof(bssid));
7834ddbc 2835
60b86755
JP		 2836 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2837 bssid, roamed ? " roamed" : "");
bf164cc0 2838
b5257c95 2839 /* Internal bss list in device should contain at least the currently
5c52323e
JK		 2840 * connected bss and we can get it to cfg80211 with
2841 * rndis_check_bssid_list().
b5257c95
JK		 2842 *
2843 * NDIS spec says: "If the device is associated, but the associated
2844 * BSSID is not in its BSSID scan list, then the driver must add an
2845 * entry for the BSSID at the end of the data that it returns in
2846 * response to query of OID_802_11_BSSID_LIST."
2847 *
2848 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
5c52323e 2849 */
b5257c95
JK		 2850 match_bss = false;
2851 rndis_check_bssid_list(usbdev, bssid, &match_bss);
2852
2853 if (!is_zero_ether_addr(bssid) && !match_bss) {
2854 /* Couldn't get bss from device, we need to manually craft bss
2855 * for cfg80211.
2856 */
2857 rndis_wlan_craft_connected_bss(usbdev, bssid, info);
2858 }
5c52323e
JK		 2859
2860 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2861 if (!roamed)
2862 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2863 req_ie_len, resp_ie,
2864 resp_ie_len, 0, GFP_KERNEL);
2865 else
6f104a08
JK		 2866 cfg80211_roamed(usbdev->net,
2867 get_current_channel(usbdev, NULL),
2868 bssid, req_ie, req_ie_len,
5c52323e
JK		 2869 resp_ie, resp_ie_len, GFP_KERNEL);
2870 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2871 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2872
3d1ca47e
JK		 2873 if (info != NULL)
2874 kfree(info);
2875
5c52323e 2876 priv->connected = true;
8b89a288 2877 memcpy(priv->bssid, bssid, ETH_ALEN);
6010ce07 2878
0848e6c6 2879 usbnet_resume_rx(usbdev);
5c52323e 2880 netif_carrier_on(usbdev->net);
0848e6c6
JK		 2881}
2882
2883static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2884{
b6411fc2 2885 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
0848e6c6 2886
b6411fc2
JK		 2887 if (priv->connected) {
2888 priv->connected = false;
2889 memset(priv->bssid, 0, ETH_ALEN);
2890
2891 deauthenticate(usbdev);
0848e6c6 2892
b6411fc2
JK		 2893 cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL);
2894 }
2895
2896 netif_carrier_off(usbdev->net);
0848e6c6
JK		 2897}
2898
2899static void rndis_wlan_worker(struct work_struct *work)
2900{
2901 struct rndis_wlan_private *priv =
2902 container_of(work, struct rndis_wlan_private, work);
2903 struct usbnet *usbdev = priv->usbdev;
2904
2905 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2906 rndis_wlan_do_link_up_work(usbdev);
2907
2908 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2909 rndis_wlan_do_link_down_work(usbdev);
2910
bf164cc0
JK		 2911 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2912 set_multicast_list(usbdev);
2913}
2914
582241a0 2915static void rndis_wlan_set_multicast_list(struct net_device *dev)
bf164cc0 2916{
524ad0a7 2917 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2918 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2919
a67edb9e
JK		 2920 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2921 return;
2922
bf164cc0
JK		 2923 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2924 queue_work(priv->workqueue, &priv->work);
2925}
2926
030645ac
JK		 2927static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2928 struct ndis_80211_status_indication *indication,
2929 int len)
2930{
2931 u8 *buf;
2932 const char *type;
a0f9ce2a 2933 int flags, buflen, key_id;
030645ac
JK		 2934 bool pairwise_error, group_error;
2935 struct ndis_80211_auth_request *auth_req;
a0f9ce2a 2936 enum nl80211_key_type key_type;
030645ac
JK		 2937
2938 /* must have at least one array entry */
2939 if (len < offsetof(struct ndis_80211_status_indication, u) +
2940 sizeof(struct ndis_80211_auth_request)) {
60b86755
JP		 2941 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2942 len);
030645ac
JK		 2943 return;
2944 }
2945
2946 buf = (void *)&indication->u.auth_request[0];
2947 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2948
2949 while (buflen >= sizeof(*auth_req)) {
2950 auth_req = (void *)buf;
2951 type = "unknown";
2952 flags = le32_to_cpu(auth_req->flags);
2953 pairwise_error = false;
2954 group_error = false;
2955
2956 if (flags & 0x1)
2957 type = "reauth request";
2958 if (flags & 0x2)
2959 type = "key update request";
2960 if (flags & 0x6) {
2961 pairwise_error = true;
2962 type = "pairwise_error";
2963 }
2964 if (flags & 0xe) {
2965 group_error = true;
2966 type = "group_error";
2967 }
2968
60b86755
JP		 2969 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2970 type, le32_to_cpu(auth_req->flags));
030645ac 2971
a0f9ce2a
JK		 2972 if (pairwise_error) {
2973 key_type = NL80211_KEYTYPE_PAIRWISE;
2974 key_id = -1;
030645ac 2975
a0f9ce2a
JK		 2976 cfg80211_michael_mic_failure(usbdev->net,
2977 auth_req->bssid,
2978 key_type, key_id, NULL,
2979 GFP_KERNEL);
2980 }
030645ac 2981
a0f9ce2a
JK		 2982 if (group_error) {
2983 key_type = NL80211_KEYTYPE_GROUP;
2984 key_id = -1;
030645ac 2985
a0f9ce2a
JK		 2986 cfg80211_michael_mic_failure(usbdev->net,
2987 auth_req->bssid,
2988 key_type, key_id, NULL,
2989 GFP_KERNEL);
030645ac
JK		 2990 }
2991
2992 buflen -= le32_to_cpu(auth_req->length);
2993 buf += le32_to_cpu(auth_req->length);
2994 }
2995}
2996
2997static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2998 struct ndis_80211_status_indication *indication,
2999 int len)
3000{
3001 struct ndis_80211_pmkid_cand_list *cand_list;
3002 int list_len, expected_len, i;
3003
3004 if (len < offsetof(struct ndis_80211_status_indication, u) +
3005 sizeof(struct ndis_80211_pmkid_cand_list)) {
60b86755
JP		 3006 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
3007 len);
030645ac
JK		 3008 return;
3009 }
3010
3011 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
3012 sizeof(struct ndis_80211_pmkid_candidate);
3013 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
3014 offsetof(struct ndis_80211_status_indication, u);
3015
3016 if (len < expected_len) {
60b86755
JP		 3017 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
3018 len, expected_len);
030645ac
JK		 3019 return;
3020 }
3021
3022 cand_list = &indication->u.cand_list;
3023
60b86755
JP		 3024 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
3025 le32_to_cpu(cand_list->version),
3026 le32_to_cpu(cand_list->num_candidates));
030645ac
JK		 3027
3028 if (le32_to_cpu(cand_list->version) != 1)
3029 return;
3030
3031 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
030645ac
JK		 3032 struct ndis_80211_pmkid_candidate *cand =
3033 &cand_list->candidate_list[i];
1c706875 3034 bool preauth = !!(cand->flags & NDIS_80211_PMKID_CAND_PREAUTH);
030645ac 3035
1c706875
JK		 3036 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n",
3037 i, le32_to_cpu(cand->flags), preauth, cand->bssid);
21ec2d8d 3038
1c706875
JK		 3039 cfg80211_pmksa_candidate_notify(usbdev->net, i, cand->bssid,
3040 preauth, GFP_ATOMIC);
030645ac
JK		 3041 }
3042}
3043
3044static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
3045 struct rndis_indicate *msg, int buflen)
3046{
3047 struct ndis_80211_status_indication *indication;
e4e02da2 3048 unsigned int len, offset;
030645ac
JK		 3049
3050 offset = offsetof(struct rndis_indicate, status) +
3051 le32_to_cpu(msg->offset);
3052 len = le32_to_cpu(msg->length);
3053
3054 if (len < 8) {
60b86755
JP		 3055 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
3056 len);
030645ac
JK		 3057 return;
3058 }
3059
e4e02da2 3060 if (len > buflen || offset > buflen || offset + len > buflen) {
60b86755
JP		 3061 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
3062 offset + len, buflen);
030645ac
JK		 3063 return;
3064 }
3065
3066 indication = (void *)((u8 *)msg + offset);
3067
3068 switch (le32_to_cpu(indication->status_type)) {
3069 case NDIS_80211_STATUSTYPE_RADIOSTATE:
60b86755
JP		 3070 netdev_info(usbdev->net, "radio state indication: %i\n",
3071 le32_to_cpu(indication->u.radio_status));
030645ac
JK		 3072 return;
3073
3074 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
60b86755
JP		 3075 netdev_info(usbdev->net, "media stream mode indication: %i\n",
3076 le32_to_cpu(indication->u.media_stream_mode));
030645ac
JK		 3077 return;
3078
3079 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
3080 rndis_wlan_auth_indication(usbdev, indication, len);
3081 return;
3082
3083 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
3084 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
3085 return;
3086
3087 default:
60b86755
JP		 3088 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
3089 le32_to_cpu(indication->status_type));
030645ac
JK		 3090 }
3091}
3092
2a4901bc 3093static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
bf164cc0 3094{
582241a0 3095 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2a4901bc 3096 struct rndis_indicate *msg = ind;
bf164cc0 3097
2a4901bc
JK		 3098 switch (msg->status) {
3099 case RNDIS_STATUS_MEDIA_CONNECT:
5f81ff5a
JK		 3100 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
3101 /* OID_802_11_ADD_KEY causes sometimes extra
3102 * "media connect" indications which confuses driver
3103 * and userspace to think that device is
3104 * roaming/reassociating when it isn't.
3105 */
60b86755 3106 netdev_dbg(usbdev->net, "ignored OID_802_11_ADD_KEY triggered 'media connect'\n");
5f81ff5a
JK		 3107 return;
3108 }
3109
7834ddbc
JK		 3110 usbnet_pause_rx(usbdev);
3111
60b86755 3112 netdev_info(usbdev->net, "media connect\n");
2a4901bc 3113
030645ac 3114 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 3115 set_bit(WORK_LINK_UP, &priv->work_pending);
3116 queue_work(priv->workqueue, &priv->work);
3117 break;
3118
3119 case RNDIS_STATUS_MEDIA_DISCONNECT:
60b86755 3120 netdev_info(usbdev->net, "media disconnect\n");
2a4901bc 3121
030645ac 3122 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 3123 set_bit(WORK_LINK_DOWN, &priv->work_pending);
3124 queue_work(priv->workqueue, &priv->work);
3125 break;
3126
030645ac
JK		 3127 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
3128 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
3129 break;
3130
2a4901bc 3131 default:
60b86755
JP		 3132 netdev_info(usbdev->net, "indication: 0x%08x\n",
3133 le32_to_cpu(msg->status));
2a4901bc
JK		 3134 break;
3135 }
bf164cc0
JK		 3136}
3137
0308383f 3138static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
bf164cc0
JK		 3139{
3140 struct {
3141 __le32 num_items;
3142 __le32 items[8];
3143 } networks_supported;
0308383f
JK		 3144 struct ndis_80211_capability *caps;
3145 u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
bf164cc0 3146 int len, retval, i, n;
582241a0 3147 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 3148
bf164cc0
JK		 3149 /* determine supported modes */
3150 len = sizeof(networks_supported);
a19d7292 3151 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
bf164cc0
JK		 3152 &networks_supported, &len);
3153 if (retval >= 0) {
3154 n = le32_to_cpu(networks_supported.num_items);
3155 if (n > 8)
3156 n = 8;
3157 for (i = 0; i < n; i++) {
3158 switch (le32_to_cpu(networks_supported.items[i])) {
aa18294a
JK		 3159 case NDIS_80211_TYPE_FREQ_HOP:
3160 case NDIS_80211_TYPE_DIRECT_SEQ:
bf164cc0
JK		 3161 priv->caps |= CAP_MODE_80211B;
3162 break;
aa18294a 3163 case NDIS_80211_TYPE_OFDM_A:
bf164cc0
JK		 3164 priv->caps |= CAP_MODE_80211A;
3165 break;
aa18294a 3166 case NDIS_80211_TYPE_OFDM_G:
bf164cc0
JK		 3167 priv->caps |= CAP_MODE_80211G;
3168 break;
3169 }
3170 }
bf164cc0
JK		 3171 }
3172
0308383f
JK		 3173 /* get device 802.11 capabilities, number of PMKIDs */
3174 caps = (struct ndis_80211_capability *)caps_buf;
3175 len = sizeof(caps_buf);
3176 retval = rndis_query_oid(usbdev, OID_802_11_CAPABILITY, caps, &len);
3177 if (retval >= 0) {
3178 netdev_dbg(usbdev->net, "OID_802_11_CAPABILITY -> len %d, "
3179 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3180 le32_to_cpu(caps->length),
3181 le32_to_cpu(caps->version),
3182 le32_to_cpu(caps->num_pmkids),
3183 le32_to_cpu(caps->num_auth_encr_pair));
3184 wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
3185 } else
3186 wiphy->max_num_pmkids = 0;
3187
bf164cc0
JK		 3188 return retval;
3189}
3190
49b35bd3
JK		 3191static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi)
3192{
3193 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3194 enum nl80211_cqm_rssi_threshold_event event;
3195 int thold, hyst, last_event;
3196
3197 if (priv->cqm_rssi_thold >= 0 || rssi >= 0)
3198 return;
3199 if (priv->infra_mode != NDIS_80211_INFRA_INFRA)
3200 return;
3201
3202 last_event = priv->last_cqm_event_rssi;
3203 thold = priv->cqm_rssi_thold;
3204 hyst = priv->cqm_rssi_hyst;
3205
3206 if (rssi < thold && (last_event == 0 || rssi < last_event - hyst))
3207 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
3208 else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst))
3209 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
3210 else
3211 return;
3212
3213 priv->last_cqm_event_rssi = rssi;
3214 cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL);
3215}
3216
305e243e
JK		 3217#define DEVICE_POLLER_JIFFIES (HZ)
3218static void rndis_device_poller(struct work_struct *work)
bf164cc0 3219{
582241a0 3220 struct rndis_wlan_private *priv =
305e243e
JK		 3221 container_of(work, struct rndis_wlan_private,
3222 dev_poller_work.work);
bf164cc0 3223 struct usbnet *usbdev = priv->usbdev;
bf164cc0 3224 __le32 rssi, tmp;
a97b1f3d 3225 int len, ret, j;
305e243e 3226 int update_jiffies = DEVICE_POLLER_JIFFIES;
bf164cc0
JK		 3227 void *buf;
3228
8b89a288
JK		 3229 /* Only check/do workaround when connected. Calling is_associated()
3230 * also polls device with rndis_command() and catches for media link
3231 * indications.
3232 */
5cb56af2
JK		 3233 if (!is_associated(usbdev)) {
3234 /* Workaround bad scanning in BCM4320a devices with active
3235 * background scanning when not associated.
3236 */
3237 if (priv->device_type == RNDIS_BCM4320A && priv->radio_on &&
3238 !priv->scan_request) {
3239 /* Get previous scan results */
3240 rndis_check_bssid_list(usbdev, NULL, NULL);
3241
3242 /* Initiate new scan */
3243 rndis_start_bssid_list_scan(usbdev);
3244 }
3245
bf164cc0 3246 goto end;
5cb56af2 3247 }
bf164cc0
JK		 3248
3249 len = sizeof(rssi);
3250 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
49b35bd3 3251 if (ret == 0) {
8b89a288 3252 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
49b35bd3
JK		 3253 rndis_do_cqm(usbdev, le32_to_cpu(rssi));
3254 }
bf164cc0 3255
60b86755
JP		 3256 netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
3257 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
bf164cc0 3258
a97b1f3d
JK		 3259 /* Workaround transfer stalls on poor quality links.
3260 * TODO: find right way to fix these stalls (as stalls do not happen
3261 * with ndiswrapper/windows driver). */
77593ae2 3262 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
bf164cc0
JK		 3263 /* Decrease stats worker interval to catch stalls.
3264 * faster. Faster than 400-500ms causes packet loss,
3265 * Slower doesn't catch stalls fast enough.
3266 */
3267 j = msecs_to_jiffies(priv->param_workaround_interval);
305e243e
JK		 3268 if (j > DEVICE_POLLER_JIFFIES)
3269 j = DEVICE_POLLER_JIFFIES;
bf164cc0
JK		 3270 else if (j <= 0)
3271 j = 1;
3272 update_jiffies = j;
3273
3274 /* Send scan OID. Use of both OIDs is required to get device
3275 * working.
3276 */
35c26c2c 3277 tmp = cpu_to_le32(1);
bf164cc0
JK		 3278 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
3279 sizeof(tmp));
3280
3281 len = CONTROL_BUFFER_SIZE;
3282 buf = kmalloc(len, GFP_KERNEL);
3283 if (!buf)
3284 goto end;
3285
3286 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
3287 kfree(buf);
3288 }
bf164cc0 3289
305e243e 3290end:
bf164cc0
JK		 3291 if (update_jiffies >= HZ)
3292 update_jiffies = round_jiffies_relative(update_jiffies);
3293 else {
3294 j = round_jiffies_relative(update_jiffies);
3295 if (abs(j - update_jiffies) <= 10)
3296 update_jiffies = j;
3297 }
3298
305e243e
JK		 3299 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3300 update_jiffies);
bf164cc0
JK		 3301}
3302
c5c4fe90
JK		 3303/*
3304 * driver/device initialization
3305 */
5cb56af2 3306static void rndis_copy_module_params(struct usbnet *usbdev, int device_type)
bf164cc0 3307{
582241a0 3308 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 3309
5cb56af2
JK		 3310 priv->device_type = device_type;
3311
bf164cc0
JK		 3312 priv->param_country[0] = modparam_country[0];
3313 priv->param_country[1] = modparam_country[1];
3314 priv->param_country[2] = 0;
3315 priv->param_frameburst = modparam_frameburst;
3316 priv->param_afterburner = modparam_afterburner;
3317 priv->param_power_save = modparam_power_save;
3318 priv->param_power_output = modparam_power_output;
3319 priv->param_roamtrigger = modparam_roamtrigger;
3320 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 3321
3322 priv->param_country[0] = toupper(priv->param_country[0]);
3323 priv->param_country[1] = toupper(priv->param_country[1]);
3324 /* doesn't support EU as country code, use FI instead */
3325 if (!strcmp(priv->param_country, "EU"))
3326 strcpy(priv->param_country, "FI");
3327
3328 if (priv->param_power_save < 0)
3329 priv->param_power_save = 0;
3330 else if (priv->param_power_save > 2)
3331 priv->param_power_save = 2;
3332
a7624837
JK		 3333 if (priv->param_power_output < 0)
3334 priv->param_power_output = 0;
3335 else if (priv->param_power_output > 3)
3336 priv->param_power_output = 3;
3337
bf164cc0
JK		 3338 if (priv->param_roamtrigger < -80)
3339 priv->param_roamtrigger = -80;
3340 else if (priv->param_roamtrigger > -60)
3341 priv->param_roamtrigger = -60;
3342
3343 if (priv->param_roamdelta < 0)
3344 priv->param_roamdelta = 0;
3345 else if (priv->param_roamdelta > 2)
3346 priv->param_roamdelta = 2;
3347
4d381ffb 3348 if (modparam_workaround_interval < 0)
bf164cc0 3349 priv->param_workaround_interval = 500;
4d381ffb
RK		 3350 else
3351 priv->param_workaround_interval = modparam_workaround_interval;
cef6e912
JK		 3352}
3353
5cb56af2
JK		 3354static int unknown_early_init(struct usbnet *usbdev)
3355{
3356 /* copy module parameters for unknown so that iwconfig reports txpower
3357 * and workaround parameter is copied to private structure correctly.
3358 */
3359 rndis_copy_module_params(usbdev, RNDIS_UNKNOWN);
3360
3361 /* This is unknown device, so do not try set configuration parameters.
3362 */
3363
3364 return 0;
3365}
3366
cef6e912
JK		 3367static int bcm4320a_early_init(struct usbnet *usbdev)
3368{
6e850af5
JK		 3369 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3370 * and workaround parameter is copied to private structure correctly.
3371 */
5cb56af2 3372 rndis_copy_module_params(usbdev, RNDIS_BCM4320A);
6e850af5 3373
cef6e912
JK		 3374 /* bcm4320a doesn't handle configuration parameters well. Try
3375 * set any and you get partially zeroed mac and broken device.
3376 */
3377
3378 return 0;
3379}
3380
3381static int bcm4320b_early_init(struct usbnet *usbdev)
3382{
3383 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3384 char buf[8];
3385
5cb56af2 3386 rndis_copy_module_params(usbdev, RNDIS_BCM4320B);
cef6e912
JK		 3387
3388 /* Early initialization settings, setting these won't have effect
3389 * if called after generic_rndis_bind().
3390 */
bf164cc0 3391
a19d7292
JK		 3392 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3393 rndis_set_config_parameter_str(usbdev, "FrameBursting",
bf164cc0 3394 priv->param_frameburst ? "1" : "0");
a19d7292 3395 rndis_set_config_parameter_str(usbdev, "Afterburner",
bf164cc0
JK		 3396 priv->param_afterburner ? "1" : "0");
3397 sprintf(buf, "%d", priv->param_power_save);
a19d7292 3398 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
bf164cc0 3399 sprintf(buf, "%d", priv->param_power_output);
a19d7292 3400 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
bf164cc0 3401 sprintf(buf, "%d", priv->param_roamtrigger);
a19d7292 3402 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
bf164cc0 3403 sprintf(buf, "%d", priv->param_roamdelta);
a19d7292 3404 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
bf164cc0
JK		 3405
3406 return 0;
3407}
3408
23d12e2b 3409/* same as rndis_netdev_ops but with local multicast handler */
582241a0 3410static const struct net_device_ops rndis_wlan_netdev_ops = {
23d12e2b
DM		 3411 .ndo_open = usbnet_open,
3412 .ndo_stop = usbnet_stop,
3413 .ndo_start_xmit = usbnet_start_xmit,
3414 .ndo_tx_timeout = usbnet_tx_timeout,
3415 .ndo_set_mac_address = eth_mac_addr,
3416 .ndo_validate_addr = eth_validate_addr,
afc4b13d 3417 .ndo_set_rx_mode = rndis_wlan_set_multicast_list,
23d12e2b
DM		 3418};
3419
582241a0 3420static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3421{
5c8fa4f7 3422 struct wiphy *wiphy;
582241a0 3423 struct rndis_wlan_private *priv;
bf164cc0
JK		 3424 int retval, len;
3425 __le32 tmp;
3426
5c8fa4f7
JL		 3427 /* allocate wiphy and rndis private data
3428 * NOTE: We only support a single virtual interface, so wiphy
3429 * and wireless_dev are somewhat synonymous for this device.
3430 */
582241a0 3431 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
5c8fa4f7 3432 if (!wiphy)
bf164cc0
JK		 3433 return -ENOMEM;
3434
5c8fa4f7
JL		 3435 priv = wiphy_priv(wiphy);
3436 usbdev->net->ieee80211_ptr = &priv->wdev;
3437 priv->wdev.wiphy = wiphy;
3438 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3439
bf164cc0 3440 /* These have to be initialized before calling generic_rndis_bind().
582241a0 3441 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
bf164cc0 3442 */
a19d7292 3443 usbdev->driver_priv = priv;
a19d7292 3444 priv->usbdev = usbdev;
bf164cc0
JK		 3445
3446 mutex_init(&priv->command_lock);
bf164cc0 3447
8d4d99ae
JK		 3448 /* because rndis_command() sleeps we need to use workqueue */
3449 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
582241a0 3450 INIT_WORK(&priv->work, rndis_wlan_worker);
305e243e 3451 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
8d4d99ae
JK		 3452 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3453
bf164cc0 3454 /* try bind rndis_host */
a19d7292 3455 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
bf164cc0
JK		 3456 if (retval < 0)
3457 goto fail;
3458
3459 /* generic_rndis_bind set packet filter to multicast_all+
3460 * promisc mode which doesn't work well for our devices (device
3461 * picks up rssi to closest station instead of to access point).
3462 *
3463 * rndis_host wants to avoid all OID as much as possible
582241a0 3464 * so do promisc/multicast handling in rndis_wlan.
bf164cc0 3465 */
582241a0 3466 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
23d12e2b 3467
bf164cc0 3468 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
a19d7292 3469 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
bf164cc0
JK		 3470 sizeof(tmp));
3471
3472 len = sizeof(tmp);
a19d7292
JK		 3473 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
3474 &len);
bf164cc0
JK		 3475 priv->multicast_size = le32_to_cpu(tmp);
3476 if (retval < 0 || priv->multicast_size < 0)
3477 priv->multicast_size = 0;
3478 if (priv->multicast_size > 0)
a19d7292 3479 usbdev->net->flags |= IFF_MULTICAST;
bf164cc0 3480 else
a19d7292 3481 usbdev->net->flags &= ~IFF_MULTICAST;
bf164cc0 3482
5c8fa4f7
JL		 3483 /* fill-out wiphy structure and register w/ cfg80211 */
3484 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3485 wiphy->privid = rndis_wiphy_privid;
3486 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3487 | BIT(NL80211_IFTYPE_ADHOC);
3488 wiphy->max_scan_ssids = 1;
3489
4a7f13ee 3490 /* TODO: fill-out band/encr information based on priv->caps */
0308383f 3491 rndis_wlan_get_caps(usbdev, wiphy);
5c8fa4f7
JL		 3492
3493 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3494 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3495 priv->band.channels = priv->channels;
3496 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3497 priv->band.bitrates = priv->rates;
3498 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
3499 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
4d2a369e 3500 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
5c8fa4f7 3501
4a7f13ee
JK		 3502 memcpy(priv->cipher_suites, rndis_cipher_suites,
3503 sizeof(rndis_cipher_suites));
3504 wiphy->cipher_suites = priv->cipher_suites;
3505 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3506
5c8fa4f7
JL		 3507 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3508
3509 if (wiphy_register(wiphy)) {
eb1a685e
JK		 3510 retval = -ENODEV;
3511 goto fail;
5c8fa4f7
JL		 3512 }
3513
a19d7292 3514 set_default_iw_params(usbdev);
bf164cc0 3515
40d70dd1
JK		 3516 priv->power_mode = -1;
3517
d75ec2b7
JK		 3518 /* set default rts/frag */
3519 rndis_set_wiphy_params(wiphy,
3520 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3521
21b27bec
JK		 3522 /* turn radio off on init */
3523 priv->radio_on = false;
3524 disassociate(usbdev, false);
a19d7292 3525 netif_carrier_off(usbdev->net);
bf164cc0 3526
bf164cc0
JK		 3527 return 0;
3528
3529fail:
305e243e 3530 cancel_delayed_work_sync(&priv->dev_poller_work);
8d4d99ae
JK		 3531 cancel_delayed_work_sync(&priv->scan_work);
3532 cancel_work_sync(&priv->work);
3533 flush_workqueue(priv->workqueue);
3534 destroy_workqueue(priv->workqueue);
3535
eb1a685e 3536 wiphy_free(wiphy);
bf164cc0
JK		 3537 return retval;
3538}
3539
582241a0 3540static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3541{
582241a0 3542 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 3543
3544 /* turn radio off */
051ae0bf 3545 disassociate(usbdev, false);
bf164cc0 3546
305e243e 3547 cancel_delayed_work_sync(&priv->dev_poller_work);
71a7b26d 3548 cancel_delayed_work_sync(&priv->scan_work);
bf164cc0
JK		 3549 cancel_work_sync(&priv->work);
3550 flush_workqueue(priv->workqueue);
3551 destroy_workqueue(priv->workqueue);
3552
a19d7292 3553 rndis_unbind(usbdev, intf);
5c8fa4f7
JL		 3554
3555 wiphy_unregister(priv->wdev.wiphy);
3556 wiphy_free(priv->wdev.wiphy);
bf164cc0
JK		 3557}
3558
582241a0 3559static int rndis_wlan_reset(struct usbnet *usbdev)
bf164cc0 3560{
110736de 3561 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
7eaab708 3562 int retval;
110736de 3563
60b86755 3564 netdev_dbg(usbdev->net, "%s()\n", __func__);
110736de 3565
7eaab708
JK		 3566 retval = rndis_reset(usbdev);
3567 if (retval)
60b86755 3568 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
7eaab708 3569
e5a11a82
JK		 3570 /* rndis_reset cleared multicast list, so restore here.
3571 (set_multicast_list() also turns on current packet filter) */
7eaab708
JK		 3572 set_multicast_list(usbdev);
3573
305e243e
JK		 3574 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3575 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
110736de 3576
a19d7292 3577 return deauthenticate(usbdev);
bf164cc0
JK		 3578}
3579
222ec50a
JK		 3580static int rndis_wlan_stop(struct usbnet *usbdev)
3581{
110736de
JK		 3582 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3583 int retval;
e5a11a82 3584 __le32 filter;
110736de 3585
60b86755 3586 netdev_dbg(usbdev->net, "%s()\n", __func__);
110736de 3587
051ae0bf 3588 retval = disassociate(usbdev, false);
110736de
JK		 3589
3590 priv->work_pending = 0;
305e243e 3591 cancel_delayed_work_sync(&priv->dev_poller_work);
110736de
JK		 3592 cancel_delayed_work_sync(&priv->scan_work);
3593 cancel_work_sync(&priv->work);
3594 flush_workqueue(priv->workqueue);
3595
005ba2f1
JK		 3596 if (priv->scan_request) {
3597 cfg80211_scan_done(priv->scan_request, true);
3598 priv->scan_request = NULL;
3599 }
3600
e5a11a82
JK		 3601 /* Set current packet filter zero to block receiving data packets from
3602 device. */
3603 filter = 0;
3604 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3605 sizeof(filter));
3606
110736de 3607 return retval;
222ec50a
JK		 3608}
3609
bf164cc0
JK		 3610static const struct driver_info bcm4320b_info = {
3611 .description = "Wireless RNDIS device, BCM4320b based",
1487cd5e
JK		 3612 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3613 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3614 .bind = rndis_wlan_bind,
3615 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3616 .status = rndis_status,
3617 .rx_fixup = rndis_rx_fixup,
3618 .tx_fixup = rndis_tx_fixup,
582241a0 3619 .reset = rndis_wlan_reset,
222ec50a 3620 .stop = rndis_wlan_stop,
59620e9f 3621 .early_init = bcm4320b_early_init,
2a4901bc 3622 .indication = rndis_wlan_indication,
bf164cc0
JK		 3623};
3624
3625static const struct driver_info bcm4320a_info = {
3626 .description = "Wireless RNDIS device, BCM4320a based",
1487cd5e
JK		 3627 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3628 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3629 .bind = rndis_wlan_bind,
3630 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3631 .status = rndis_status,
3632 .rx_fixup = rndis_rx_fixup,
3633 .tx_fixup = rndis_tx_fixup,
582241a0 3634 .reset = rndis_wlan_reset,
222ec50a 3635 .stop = rndis_wlan_stop,
59620e9f 3636 .early_init = bcm4320a_early_init,
2a4901bc 3637 .indication = rndis_wlan_indication,
bf164cc0
JK		 3638};
3639
582241a0 3640static const struct driver_info rndis_wlan_info = {
bf164cc0 3641 .description = "Wireless RNDIS device",
1487cd5e
JK		 3642 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3643 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3644 .bind = rndis_wlan_bind,
3645 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3646 .status = rndis_status,
3647 .rx_fixup = rndis_rx_fixup,
3648 .tx_fixup = rndis_tx_fixup,
582241a0 3649 .reset = rndis_wlan_reset,
222ec50a 3650 .stop = rndis_wlan_stop,
5cb56af2 3651 .early_init = unknown_early_init,
2a4901bc 3652 .indication = rndis_wlan_indication,
bf164cc0
JK		 3653};
3654
3655/*-------------------------------------------------------------------------*/
3656
3657static const struct usb_device_id products [] = {
3658#define RNDIS_MASTER_INTERFACE \
3659 .bInterfaceClass = USB_CLASS_COMM, \
3660 .bInterfaceSubClass = 2 /* ACM */, \
3661 .bInterfaceProtocol = 0x0ff
3662
3663/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3664 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3665 */
3666{
3667 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3668 | USB_DEVICE_ID_MATCH_DEVICE,
3669 .idVendor = 0x0411,
3670 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3671 RNDIS_MASTER_INTERFACE,
3672 .driver_info = (unsigned long) &bcm4320b_info,
3673}, {
3674 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3675 | USB_DEVICE_ID_MATCH_DEVICE,
3676 .idVendor = 0x0baf,
3677 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3678 RNDIS_MASTER_INTERFACE,
3679 .driver_info = (unsigned long) &bcm4320b_info,
3680}, {
3681 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3682 | USB_DEVICE_ID_MATCH_DEVICE,
3683 .idVendor = 0x050d,
3684 .idProduct = 0x011b, /* Belkin F5D7051 */
3685 RNDIS_MASTER_INTERFACE,
3686 .driver_info = (unsigned long) &bcm4320b_info,
3687}, {
3688 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3689 | USB_DEVICE_ID_MATCH_DEVICE,
3690 .idVendor = 0x1799, /* Belkin has two vendor ids */
3691 .idProduct = 0x011b, /* Belkin F5D7051 */
3692 RNDIS_MASTER_INTERFACE,
3693 .driver_info = (unsigned long) &bcm4320b_info,
3694}, {
3695 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3696 | USB_DEVICE_ID_MATCH_DEVICE,
3697 .idVendor = 0x13b1,
3698 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3699 RNDIS_MASTER_INTERFACE,
3700 .driver_info = (unsigned long) &bcm4320b_info,
3701}, {
3702 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3703 | USB_DEVICE_ID_MATCH_DEVICE,
3704 .idVendor = 0x13b1,
3705 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3706 RNDIS_MASTER_INTERFACE,
3707 .driver_info = (unsigned long) &bcm4320b_info,
3708}, {
3709 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3710 | USB_DEVICE_ID_MATCH_DEVICE,
3711 .idVendor = 0x0b05,
3712 .idProduct = 0x1717, /* Asus WL169gE */
3713 RNDIS_MASTER_INTERFACE,
3714 .driver_info = (unsigned long) &bcm4320b_info,
3715}, {
3716 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3717 | USB_DEVICE_ID_MATCH_DEVICE,
3718 .idVendor = 0x0a5c,
3719 .idProduct = 0xd11b, /* Eminent EM4045 */
3720 RNDIS_MASTER_INTERFACE,
3721 .driver_info = (unsigned long) &bcm4320b_info,
3722}, {
3723 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3724 | USB_DEVICE_ID_MATCH_DEVICE,
3725 .idVendor = 0x1690,
3726 .idProduct = 0x0715, /* BT Voyager 1055 */
3727 RNDIS_MASTER_INTERFACE,
3728 .driver_info = (unsigned long) &bcm4320b_info,
3729},
3730/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3731 * parameters available, hardware probably contain older firmware version with
3732 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3733 */
3734{
3735 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3736 | USB_DEVICE_ID_MATCH_DEVICE,
3737 .idVendor = 0x13b1,
3738 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3739 RNDIS_MASTER_INTERFACE,
3740 .driver_info = (unsigned long) &bcm4320a_info,
3741}, {
3742 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3743 | USB_DEVICE_ID_MATCH_DEVICE,
3744 .idVendor = 0x0baf,
3745 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3746 RNDIS_MASTER_INTERFACE,
3747 .driver_info = (unsigned long) &bcm4320a_info,
3748}, {
3749 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3750 | USB_DEVICE_ID_MATCH_DEVICE,
3751 .idVendor = 0x0411,
3752 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3753 RNDIS_MASTER_INTERFACE,
3754 .driver_info = (unsigned long) &bcm4320a_info,
3755},
3756/* Generic Wireless RNDIS devices that we don't have exact
3757 * idVendor/idProduct/chip yet.
3758 */
3759{
3760 /* RNDIS is MSFT's un-official variant of CDC ACM */
3761 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
582241a0 3762 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3763}, {
3764 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3765 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
582241a0 3766 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3767},
3768 { }, // END
3769};
3770MODULE_DEVICE_TABLE(usb, products);
3771
3772static struct usb_driver rndis_wlan_driver = {
3773 .name = "rndis_wlan",
3774 .id_table = products,
3775 .probe = usbnet_probe,
3776 .disconnect = usbnet_disconnect,
3777 .suspend = usbnet_suspend,
3778 .resume = usbnet_resume,
3779};
3780
d632eb1b 3781module_usb_driver(rndis_wlan_driver);
bf164cc0
JK		 3782
3783MODULE_AUTHOR("Bjorge Dijkstra");
3784MODULE_AUTHOR("Jussi Kivilinna");
3785MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3786MODULE_LICENSE("GPL");
3787
Linux kernel - Deliverables
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