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rndis_wlan: add missing __packed
[mirror_ubuntu-jammy-kernel.git] / drivers / net / wireless / rndis_wlan.c
CommitLineData
bf164cc0
JK		 1/*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
9656e85b 5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
bf164cc0
JK		 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
24 */
25
26// #define DEBUG // error path messages, extra info
27// #define VERBOSE // more; success messages
28
29#include <linux/module.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/ethtool.h>
34#include <linux/workqueue.h>
35#include <linux/mutex.h>
36#include <linux/mii.h>
37#include <linux/usb.h>
38#include <linux/usb/cdc.h>
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
030645ac
JK		 247struct ndis_80211_auth_request {
248 __le32 length;
249 u8 bssid[6];
250 u8 padding[2];
251 __le32 flags;
ba2d3587 252} __packed;
030645ac
JK		 253
254struct ndis_80211_pmkid_candidate {
255 u8 bssid[6];
256 u8 padding[2];
257 __le32 flags;
ba2d3587 258} __packed;
030645ac
JK		 259
260struct ndis_80211_pmkid_cand_list {
261 __le32 version;
262 __le32 num_candidates;
263 struct ndis_80211_pmkid_candidate candidate_list[0];
ba2d3587 264} __packed;
030645ac
JK		 265
266struct ndis_80211_status_indication {
267 __le32 status_type;
268 union {
53d27eaf
JK		 269 __le32 media_stream_mode;
270 __le32 radio_status;
030645ac
JK		 271 struct ndis_80211_auth_request auth_request[0];
272 struct ndis_80211_pmkid_cand_list cand_list;
273 } u;
ba2d3587 274} __packed;
030645ac 275
1e41e1d2 276struct ndis_80211_ssid {
461b3f2a
JK		 277 __le32 length;
278 u8 essid[NDIS_802_11_LENGTH_SSID];
ba2d3587 279} __packed;
bf164cc0 280
1e41e1d2 281struct ndis_80211_conf_freq_hop {
461b3f2a
JK		 282 __le32 length;
283 __le32 hop_pattern;
284 __le32 hop_set;
285 __le32 dwell_time;
ba2d3587 286} __packed;
bf164cc0 287
1e41e1d2 288struct ndis_80211_conf {
461b3f2a
JK		 289 __le32 length;
290 __le32 beacon_period;
291 __le32 atim_window;
292 __le32 ds_config;
293 struct ndis_80211_conf_freq_hop fh_config;
ba2d3587 294} __packed;
bf164cc0 295
1e41e1d2 296struct ndis_80211_bssid_ex {
461b3f2a
JK		 297 __le32 length;
298 u8 mac[6];
299 u8 padding[2];
300 struct ndis_80211_ssid ssid;
301 __le32 privacy;
302 __le32 rssi;
303 __le32 net_type;
304 struct ndis_80211_conf config;
305 __le32 net_infra;
306 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
307 __le32 ie_length;
308 u8 ies[0];
ba2d3587 309} __packed;
bf164cc0 310
1e41e1d2 311struct ndis_80211_bssid_list_ex {
461b3f2a
JK		 312 __le32 num_items;
313 struct ndis_80211_bssid_ex bssid[0];
ba2d3587 314} __packed;
bf164cc0 315
1e41e1d2 316struct ndis_80211_fixed_ies {
461b3f2a
JK		 317 u8 timestamp[8];
318 __le16 beacon_interval;
319 __le16 capabilities;
ba2d3587 320} __packed;
bf164cc0 321
1e41e1d2 322struct ndis_80211_wep_key {
461b3f2a
JK		 323 __le32 size;
324 __le32 index;
325 __le32 length;
326 u8 material[32];
ba2d3587 327} __packed;
bf164cc0 328
1e41e1d2 329struct ndis_80211_key {
461b3f2a
JK		 330 __le32 size;
331 __le32 index;
332 __le32 length;
333 u8 bssid[6];
334 u8 padding[6];
335 u8 rsc[8];
336 u8 material[32];
ba2d3587 337} __packed;
bf164cc0 338
1e41e1d2 339struct ndis_80211_remove_key {
461b3f2a
JK		 340 __le32 size;
341 __le32 index;
342 u8 bssid[6];
9d40934e 343 u8 padding[2];
ba2d3587 344} __packed;
bf164cc0 345
1e41e1d2 346struct ndis_config_param {
461b3f2a
JK		 347 __le32 name_offs;
348 __le32 name_length;
349 __le32 type;
350 __le32 value_offs;
351 __le32 value_length;
ba2d3587 352} __packed;
bf164cc0 353
4364623c
SA		 354struct ndis_80211_assoc_info {
355 __le32 length;
356 __le16 req_ies;
357 struct req_ie {
358 __le16 capa;
359 __le16 listen_interval;
360 u8 cur_ap_address[6];
361 } req_ie;
362 __le32 req_ie_length;
363 __le32 offset_req_ies;
364 __le16 resp_ies;
365 struct resp_ie {
366 __le16 capa;
367 __le16 status_code;
368 __le16 assoc_id;
369 } resp_ie;
370 __le32 resp_ie_length;
371 __le32 offset_resp_ies;
ba2d3587 372} __packed;
4364623c 373
0308383f
JK		 374struct ndis_80211_auth_encr_pair {
375 __le32 auth_mode;
376 __le32 encr_mode;
ba2d3587 377} __packed;
0308383f
JK		 378
379struct ndis_80211_capability {
380 __le32 length;
381 __le32 version;
382 __le32 num_pmkids;
383 __le32 num_auth_encr_pair;
384 struct ndis_80211_auth_encr_pair auth_encr_pair[0];
ba2d3587 385} __packed;
0308383f 386
5a7d0583
JK		 387struct ndis_80211_bssid_info {
388 u8 bssid[6];
389 u8 pmkid[16];
30fd9073 390} __packed;
5a7d0583
JK		 391
392struct ndis_80211_pmkid {
393 __le32 length;
394 __le32 bssid_info_count;
395 struct ndis_80211_bssid_info bssid_info[0];
30fd9073 396} __packed;
5a7d0583 397
bf164cc0
JK		 398/*
399 * private data
400 */
401#define NET_TYPE_11FB 0
402
403#define CAP_MODE_80211A 1
404#define CAP_MODE_80211B 2
405#define CAP_MODE_80211G 4
406#define CAP_MODE_MASK 7
bf164cc0 407
6010ce07
JK		 408#define WORK_LINK_UP (1<<0)
409#define WORK_LINK_DOWN (1<<1)
410#define WORK_SET_MULTICAST_LIST (1<<2)
bf164cc0 411
5c52323e
JK		 412#define RNDIS_WLAN_ALG_NONE 0
413#define RNDIS_WLAN_ALG_WEP (1<<0)
414#define RNDIS_WLAN_ALG_TKIP (1<<1)
415#define RNDIS_WLAN_ALG_CCMP (1<<2)
416
ec3cbb9c 417#define RNDIS_WLAN_NUM_KEYS 4
5c52323e
JK		 418#define RNDIS_WLAN_KEY_MGMT_NONE 0
419#define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
420#define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
421
90d07349
JK		 422#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
423
5c8fa4f7
JL		 424static const struct ieee80211_channel rndis_channels[] = {
425 { .center_freq = 2412 },
426 { .center_freq = 2417 },
427 { .center_freq = 2422 },
428 { .center_freq = 2427 },
429 { .center_freq = 2432 },
430 { .center_freq = 2437 },
431 { .center_freq = 2442 },
432 { .center_freq = 2447 },
433 { .center_freq = 2452 },
434 { .center_freq = 2457 },
435 { .center_freq = 2462 },
436 { .center_freq = 2467 },
437 { .center_freq = 2472 },
438 { .center_freq = 2484 },
439};
440
441static const struct ieee80211_rate rndis_rates[] = {
442 { .bitrate = 10 },
443 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
444 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
445 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
446 { .bitrate = 60 },
447 { .bitrate = 90 },
448 { .bitrate = 120 },
449 { .bitrate = 180 },
450 { .bitrate = 240 },
451 { .bitrate = 360 },
452 { .bitrate = 480 },
453 { .bitrate = 540 }
454};
455
4a7f13ee
JK		 456static const u32 rndis_cipher_suites[] = {
457 WLAN_CIPHER_SUITE_WEP40,
458 WLAN_CIPHER_SUITE_WEP104,
459 WLAN_CIPHER_SUITE_TKIP,
460 WLAN_CIPHER_SUITE_CCMP,
461};
462
b7cfc5b3
JK		 463struct rndis_wlan_encr_key {
464 int len;
84bf8400 465 u32 cipher;
b7cfc5b3
JK		 466 u8 material[32];
467 u8 bssid[ETH_ALEN];
468 bool pairwise;
469 bool tx_key;
470};
471
bf164cc0 472/* RNDIS device private data */
582241a0 473struct rndis_wlan_private {
bf164cc0
JK		 474 struct usbnet *usbdev;
475
5c8fa4f7
JL		 476 struct wireless_dev wdev;
477
71a7b26d
JK		 478 struct cfg80211_scan_request *scan_request;
479
bf164cc0 480 struct workqueue_struct *workqueue;
305e243e 481 struct delayed_work dev_poller_work;
71a7b26d 482 struct delayed_work scan_work;
bf164cc0
JK		 483 struct work_struct work;
484 struct mutex command_lock;
bf164cc0 485 unsigned long work_pending;
8b89a288 486 int last_qual;
49b35bd3
JK		 487 s32 cqm_rssi_thold;
488 u32 cqm_rssi_hyst;
489 int last_cqm_event_rssi;
bf164cc0 490
5c8fa4f7
JL		 491 struct ieee80211_supported_band band;
492 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
493 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
4a7f13ee 494 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
5c8fa4f7 495
5cb56af2 496 int device_type;
bf164cc0
JK		 497 int caps;
498 int multicast_size;
499
500 /* module parameters */
501 char param_country[4];
502 int param_frameburst;
503 int param_afterburner;
504 int param_power_save;
505 int param_power_output;
506 int param_roamtrigger;
507 int param_roamdelta;
508 u32 param_workaround_interval;
509
510 /* hardware state */
051ae0bf 511 bool radio_on;
40d70dd1 512 int power_mode;
bf164cc0 513 int infra_mode;
5c52323e 514 bool connected;
8b89a288 515 u8 bssid[ETH_ALEN];
5f81ff5a 516 __le32 current_command_oid;
bf164cc0
JK		 517
518 /* encryption stuff */
519 int encr_tx_key_index;
ec3cbb9c 520 struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
bf164cc0 521 int wpa_version;
90d07349
JK		 522
523 u8 command_buffer[COMMAND_BUFFER_SIZE];
bf164cc0
JK		 524};
525
964c1d41
JL		 526/*
527 * cfg80211 ops
528 */
e36d56b6
JB		 529static int rndis_change_virtual_intf(struct wiphy *wiphy,
530 struct net_device *dev,
964c1d41
JL		 531 enum nl80211_iftype type, u32 *flags,
532 struct vif_params *params);
533
71a7b26d
JK		 534static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
535 struct cfg80211_scan_request *request);
536
d75ec2b7
JK		 537static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
538
fa61cf70
JO		 539static int rndis_set_tx_power(struct wiphy *wiphy,
540 enum nl80211_tx_power_setting type,
541 int mbm);
222ec50a
JK		 542static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
543
5c52323e
JK		 544static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
545 struct cfg80211_connect_params *sme);
546
547static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
548 u16 reason_code);
549
550static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
551 struct cfg80211_ibss_params *params);
552
553static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
554
f444de05 555static int rndis_set_channel(struct wiphy *wiphy, struct net_device *dev,
5554adbe
JK		 556 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
557
84bf8400 558static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213
JB		 559 u8 key_index, bool pairwise, const u8 *mac_addr,
560 struct key_params *params);
84bf8400
JK		 561
562static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213 563 u8 key_index, bool pairwise, const u8 *mac_addr);
84bf8400
JK		 564
565static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
dbd2fd65 566 u8 key_index, bool unicast, bool multicast);
84bf8400 567
8b89a288
JK		 568static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
569 u8 *mac, struct station_info *sinfo);
570
d695df90
JK		 571static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
572 int idx, u8 *mac, struct station_info *sinfo);
573
5a7d0583
JK		 574static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
575 struct cfg80211_pmksa *pmksa);
576
577static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
578 struct cfg80211_pmksa *pmksa);
579
580static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev);
581
40d70dd1
JK		 582static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
583 bool enabled, int timeout);
584
49b35bd3
JK		 585static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
586 struct net_device *dev,
587 s32 rssi_thold, u32 rssi_hyst);
588
c2aa4132 589static const struct cfg80211_ops rndis_config_ops = {
964c1d41 590 .change_virtual_intf = rndis_change_virtual_intf,
71a7b26d 591 .scan = rndis_scan,
d75ec2b7 592 .set_wiphy_params = rndis_set_wiphy_params,
222ec50a
JK		 593 .set_tx_power = rndis_set_tx_power,
594 .get_tx_power = rndis_get_tx_power,
5c52323e
JK		 595 .connect = rndis_connect,
596 .disconnect = rndis_disconnect,
597 .join_ibss = rndis_join_ibss,
598 .leave_ibss = rndis_leave_ibss,
5554adbe 599 .set_channel = rndis_set_channel,
84bf8400
JK		 600 .add_key = rndis_add_key,
601 .del_key = rndis_del_key,
602 .set_default_key = rndis_set_default_key,
8b89a288 603 .get_station = rndis_get_station,
d695df90 604 .dump_station = rndis_dump_station,
5a7d0583
JK		 605 .set_pmksa = rndis_set_pmksa,
606 .del_pmksa = rndis_del_pmksa,
607 .flush_pmksa = rndis_flush_pmksa,
40d70dd1 608 .set_power_mgmt = rndis_set_power_mgmt,
49b35bd3 609 .set_cqm_rssi_config = rndis_set_cqm_rssi_config,
964c1d41 610};
bf164cc0 611
caa6dfad 612static void *rndis_wiphy_privid = &rndis_wiphy_privid;
bf164cc0 613
bf164cc0 614
582241a0 615static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
bf164cc0 616{
582241a0 617 return (struct rndis_wlan_private *)dev->driver_priv;
bf164cc0
JK		 618}
619
222ec50a 620static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
bf164cc0 621{
222ec50a
JK		 622 switch (priv->param_power_output) {
623 default:
624 case 3:
625 return BCM4320_DEFAULT_TXPOWER_DBM_100;
626 case 2:
627 return BCM4320_DEFAULT_TXPOWER_DBM_75;
628 case 1:
629 return BCM4320_DEFAULT_TXPOWER_DBM_50;
630 case 0:
631 return BCM4320_DEFAULT_TXPOWER_DBM_25;
632 }
bf164cc0
JK		 633}
634
b7cfc5b3
JK		 635static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
636{
637 int cipher = priv->encr_keys[idx].cipher;
638
639 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
640 cipher == WLAN_CIPHER_SUITE_TKIP);
641}
642
5c52323e
JK		 643static int rndis_cipher_to_alg(u32 cipher)
644{
645 switch (cipher) {
646 default:
647 return RNDIS_WLAN_ALG_NONE;
648 case WLAN_CIPHER_SUITE_WEP40:
649 case WLAN_CIPHER_SUITE_WEP104:
650 return RNDIS_WLAN_ALG_WEP;
651 case WLAN_CIPHER_SUITE_TKIP:
652 return RNDIS_WLAN_ALG_TKIP;
653 case WLAN_CIPHER_SUITE_CCMP:
654 return RNDIS_WLAN_ALG_CCMP;
655 }
656}
657
658static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
659{
660 switch (akm_suite) {
661 default:
662 return RNDIS_WLAN_KEY_MGMT_NONE;
663 case WLAN_AKM_SUITE_8021X:
664 return RNDIS_WLAN_KEY_MGMT_802_1X;
665 case WLAN_AKM_SUITE_PSK:
666 return RNDIS_WLAN_KEY_MGMT_PSK;
667 }
668}
669
27b7b5c1
JK		 670#ifdef DEBUG
671static const char *oid_to_string(__le32 oid)
672{
673 switch (oid) {
674#define OID_STR(oid) case oid: return(#oid)
675 /* from rndis_host.h */
676 OID_STR(OID_802_3_PERMANENT_ADDRESS);
677 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
678 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
679 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
680
681 /* from rndis_wlan.c */
682 OID_STR(OID_GEN_LINK_SPEED);
683 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
684
685 OID_STR(OID_GEN_XMIT_OK);
686 OID_STR(OID_GEN_RCV_OK);
687 OID_STR(OID_GEN_XMIT_ERROR);
688 OID_STR(OID_GEN_RCV_ERROR);
689 OID_STR(OID_GEN_RCV_NO_BUFFER);
690
691 OID_STR(OID_802_3_CURRENT_ADDRESS);
692 OID_STR(OID_802_3_MULTICAST_LIST);
693 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
694
695 OID_STR(OID_802_11_BSSID);
696 OID_STR(OID_802_11_SSID);
697 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
698 OID_STR(OID_802_11_ADD_WEP);
699 OID_STR(OID_802_11_REMOVE_WEP);
700 OID_STR(OID_802_11_DISASSOCIATE);
701 OID_STR(OID_802_11_AUTHENTICATION_MODE);
702 OID_STR(OID_802_11_PRIVACY_FILTER);
703 OID_STR(OID_802_11_BSSID_LIST_SCAN);
704 OID_STR(OID_802_11_ENCRYPTION_STATUS);
705 OID_STR(OID_802_11_ADD_KEY);
706 OID_STR(OID_802_11_REMOVE_KEY);
707 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
40d70dd1 708 OID_STR(OID_802_11_CAPABILITY);
27b7b5c1
JK		 709 OID_STR(OID_802_11_PMKID);
710 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
711 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
712 OID_STR(OID_802_11_TX_POWER_LEVEL);
713 OID_STR(OID_802_11_RSSI);
714 OID_STR(OID_802_11_RSSI_TRIGGER);
715 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
716 OID_STR(OID_802_11_RTS_THRESHOLD);
717 OID_STR(OID_802_11_SUPPORTED_RATES);
718 OID_STR(OID_802_11_CONFIGURATION);
40d70dd1 719 OID_STR(OID_802_11_POWER_MODE);
27b7b5c1
JK		 720 OID_STR(OID_802_11_BSSID_LIST);
721#undef OID_STR
722 }
723
724 return "?";
725}
726#else
727static const char *oid_to_string(__le32 oid)
728{
729 return "?";
730}
731#endif
732
bf164cc0
JK		 733/* translate error code */
734static int rndis_error_status(__le32 rndis_status)
735{
736 int ret = -EINVAL;
737 switch (rndis_status) {
738 case RNDIS_STATUS_SUCCESS:
739 ret = 0;
740 break;
741 case RNDIS_STATUS_FAILURE:
742 case RNDIS_STATUS_INVALID_DATA:
743 ret = -EINVAL;
744 break;
745 case RNDIS_STATUS_NOT_SUPPORTED:
746 ret = -EOPNOTSUPP;
747 break;
748 case RNDIS_STATUS_ADAPTER_NOT_READY:
749 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
750 ret = -EBUSY;
751 break;
752 }
753 return ret;
754}
755
bf164cc0
JK		 756static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
757{
582241a0 758 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 759 union {
760 void *buf;
761 struct rndis_msg_hdr *header;
762 struct rndis_query *get;
763 struct rndis_query_c *get_c;
764 } u;
765 int ret, buflen;
80f8c5b4 766 int resplen, respoffs, copylen;
bf164cc0
JK		 767
768 buflen = *len + sizeof(*u.get);
769 if (buflen < CONTROL_BUFFER_SIZE)
770 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 771
772 if (buflen > COMMAND_BUFFER_SIZE) {
773 u.buf = kmalloc(buflen, GFP_KERNEL);
774 if (!u.buf)
775 return -ENOMEM;
776 } else {
777 u.buf = priv->command_buffer;
778 }
779
780 mutex_lock(&priv->command_lock);
781
bf164cc0
JK		 782 memset(u.get, 0, sizeof *u.get);
783 u.get->msg_type = RNDIS_MSG_QUERY;
35c26c2c 784 u.get->msg_len = cpu_to_le32(sizeof *u.get);
bf164cc0
JK		 785 u.get->oid = oid;
786
5f81ff5a 787 priv->current_command_oid = oid;
818727ba 788 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 789 priv->current_command_oid = 0;
27b7b5c1 790 if (ret < 0)
60b86755
JP		 791 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
792 __func__, oid_to_string(oid), ret,
793 le32_to_cpu(u.get_c->status));
27b7b5c1 794
bf164cc0 795 if (ret == 0) {
80f8c5b4
JK		 796 resplen = le32_to_cpu(u.get_c->len);
797 respoffs = le32_to_cpu(u.get_c->offset) + 8;
c1f8ca1d 798
80f8c5b4
JK		 799 if (respoffs > buflen) {
800 /* Device returned data offset outside buffer, error. */
801 netdev_dbg(dev->net, "%s(%s): received invalid "
802 "data offset: %d > %d\n", __func__,
803 oid_to_string(oid), respoffs, buflen);
c1f8ca1d 804
80f8c5b4
JK		 805 ret = -EINVAL;
806 goto exit_unlock;
807 }
808
809 if ((resplen + respoffs) > buflen) {
810 /* Device would have returned more data if buffer would
811 * have been big enough. Copy just the bits that we got.
812 */
813 copylen = buflen - respoffs;
814 } else {
815 copylen = resplen;
816 }
817
818 if (copylen > *len)
819 copylen = *len;
820
821 memcpy(data, u.buf + respoffs, copylen);
822
823 *len = resplen;
27b7b5c1 824
c1f8ca1d 825 ret = rndis_error_status(u.get_c->status);
27b7b5c1 826 if (ret < 0)
60b86755
JP		 827 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
828 __func__, oid_to_string(oid),
829 le32_to_cpu(u.get_c->status), ret);
bf164cc0
JK		 830 }
831
80f8c5b4 832exit_unlock:
90d07349
JK		 833 mutex_unlock(&priv->command_lock);
834
835 if (u.buf != priv->command_buffer)
836 kfree(u.buf);
bf164cc0
JK		 837 return ret;
838}
839
22288a58
JP		 840static int rndis_set_oid(struct usbnet *dev, __le32 oid, const void *data,
841 int len)
bf164cc0 842{
582241a0 843 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 844 union {
845 void *buf;
846 struct rndis_msg_hdr *header;
847 struct rndis_set *set;
848 struct rndis_set_c *set_c;
849 } u;
850 int ret, buflen;
851
852 buflen = len + sizeof(*u.set);
853 if (buflen < CONTROL_BUFFER_SIZE)
854 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 855
856 if (buflen > COMMAND_BUFFER_SIZE) {
857 u.buf = kmalloc(buflen, GFP_KERNEL);
858 if (!u.buf)
859 return -ENOMEM;
860 } else {
861 u.buf = priv->command_buffer;
862 }
863
864 mutex_lock(&priv->command_lock);
bf164cc0
JK		 865
866 memset(u.set, 0, sizeof *u.set);
867 u.set->msg_type = RNDIS_MSG_SET;
868 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
869 u.set->oid = oid;
870 u.set->len = cpu_to_le32(len);
35c26c2c
HH		 871 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
872 u.set->handle = cpu_to_le32(0);
bf164cc0
JK		 873 memcpy(u.buf + sizeof(*u.set), data, len);
874
5f81ff5a 875 priv->current_command_oid = oid;
818727ba 876 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 877 priv->current_command_oid = 0;
27b7b5c1 878 if (ret < 0)
60b86755
JP		 879 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
880 __func__, oid_to_string(oid), ret,
881 le32_to_cpu(u.set_c->status));
27b7b5c1
JK		 882
883 if (ret == 0) {
bf164cc0
JK		 884 ret = rndis_error_status(u.set_c->status);
885
27b7b5c1 886 if (ret < 0)
60b86755
JP		 887 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
888 __func__, oid_to_string(oid),
889 le32_to_cpu(u.set_c->status), ret);
27b7b5c1
JK		 890 }
891
90d07349
JK		 892 mutex_unlock(&priv->command_lock);
893
894 if (u.buf != priv->command_buffer)
895 kfree(u.buf);
bf164cc0
JK		 896 return ret;
897}
898
7eaab708
JK		 899static int rndis_reset(struct usbnet *usbdev)
900{
901 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
902 struct rndis_reset *reset;
903 int ret;
904
905 mutex_lock(&priv->command_lock);
906
907 reset = (void *)priv->command_buffer;
908 memset(reset, 0, sizeof(*reset));
909 reset->msg_type = RNDIS_MSG_RESET;
910 reset->msg_len = cpu_to_le32(sizeof(*reset));
5f81ff5a 911 priv->current_command_oid = 0;
7eaab708
JK		 912 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
913
914 mutex_unlock(&priv->command_lock);
915
916 if (ret < 0)
917 return ret;
918 return 0;
919}
920
bf164cc0
JK		 921/*
922 * Specs say that we can only set config parameters only soon after device
923 * initialization.
924 * value_type: 0 = u32, 2 = unicode string
925 */
926static int rndis_set_config_parameter(struct usbnet *dev, char *param,
927 int value_type, void *value)
928{
1e41e1d2 929 struct ndis_config_param *infobuf;
bf164cc0
JK		 930 int value_len, info_len, param_len, ret, i;
931 __le16 *unibuf;
932 __le32 *dst_value;
933
934 if (value_type == 0)
935 value_len = sizeof(__le32);
936 else if (value_type == 2)
937 value_len = strlen(value) * sizeof(__le16);
938 else
939 return -EINVAL;
940
941 param_len = strlen(param) * sizeof(__le16);
942 info_len = sizeof(*infobuf) + param_len + value_len;
943
944#ifdef DEBUG
945 info_len += 12;
946#endif
947 infobuf = kmalloc(info_len, GFP_KERNEL);
948 if (!infobuf)
949 return -ENOMEM;
950
951#ifdef DEBUG
952 info_len -= 12;
953 /* extra 12 bytes are for padding (debug output) */
954 memset(infobuf, 0xCC, info_len + 12);
955#endif
956
957 if (value_type == 2)
60b86755
JP		 958 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
959 param, (u8 *)value);
bf164cc0 960 else
60b86755
JP		 961 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
962 param, *(u32 *)value);
bf164cc0 963
461b3f2a
JK		 964 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
965 infobuf->name_length = cpu_to_le32(param_len);
966 infobuf->type = cpu_to_le32(value_type);
967 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
968 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 969
970 /* simple string to unicode string conversion */
971 unibuf = (void *)infobuf + sizeof(*infobuf);
972 for (i = 0; i < param_len / sizeof(__le16); i++)
973 unibuf[i] = cpu_to_le16(param[i]);
974
975 if (value_type == 2) {
976 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
977 for (i = 0; i < value_len / sizeof(__le16); i++)
978 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
979 } else {
980 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
981 *dst_value = cpu_to_le32(*(u32 *)value);
982 }
983
984#ifdef DEBUG
60b86755 985 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
bf164cc0
JK		 986 for (i = 0; i < info_len; i += 12) {
987 u32 *tmp = (u32 *)((u8 *)infobuf + i);
60b86755
JP		 988 netdev_dbg(dev->net, "%08X:%08X:%08X\n",
989 cpu_to_be32(tmp[0]),
990 cpu_to_be32(tmp[1]),
991 cpu_to_be32(tmp[2]));
bf164cc0
JK		 992 }
993#endif
994
995 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
996 infobuf, info_len);
997 if (ret != 0)
60b86755
JP		 998 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
999 ret);
bf164cc0
JK		 1000
1001 kfree(infobuf);
1002 return ret;
1003}
1004
1005static int rndis_set_config_parameter_str(struct usbnet *dev,
1006 char *param, char *value)
1007{
c5c4fe90 1008 return rndis_set_config_parameter(dev, param, 2, value);
bf164cc0
JK		 1009}
1010
bf164cc0
JK		 1011/*
1012 * data conversion functions
1013 */
1014static int level_to_qual(int level)
1015{
1016 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
1017 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
1018}
1019
bf164cc0
JK		 1020/*
1021 * common functions
1022 */
9f77ccab 1023static int set_infra_mode(struct usbnet *usbdev, int mode);
b7cfc5b3 1024static void restore_keys(struct usbnet *usbdev);
b5257c95
JK		 1025static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
1026 bool *matched);
bf164cc0 1027
5cb56af2
JK		 1028static int rndis_start_bssid_list_scan(struct usbnet *usbdev)
1029{
1030 __le32 tmp;
1031
1032 /* Note: OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
1033 tmp = cpu_to_le32(1);
1034 return rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1035 sizeof(tmp));
1036}
1037
1e41e1d2 1038static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0 1039{
582241a0 1040 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1041 int ret;
1042
1043 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
5c52323e 1044 if (ret < 0) {
60b86755 1045 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
5c52323e
JK		 1046 return ret;
1047 }
bf164cc0 1048 if (ret == 0) {
051ae0bf 1049 priv->radio_on = true;
60b86755 1050 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
bf164cc0
JK		 1051 }
1052
1053 return ret;
1054}
1055
22288a58 1056static int set_bssid(struct usbnet *usbdev, const u8 *bssid)
5c52323e
JK		 1057{
1058 int ret;
1059
1060 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1061 if (ret < 0) {
60b86755
JP		 1062 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
1063 bssid, ret);
5c52323e
JK		 1064 return ret;
1065 }
1066
1067 return ret;
1068}
1069
1070static int clear_bssid(struct usbnet *usbdev)
1071{
22288a58
JP		 1072 static const u8 broadcast_mac[ETH_ALEN] = {
1073 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
1074 };
5c52323e
JK		 1075
1076 return set_bssid(usbdev, broadcast_mac);
1077}
bf164cc0
JK		 1078
1079static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
1080{
1081 int ret, len;
1082
1083 len = ETH_ALEN;
1084 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
1085
1086 if (ret != 0)
1087 memset(bssid, 0, ETH_ALEN);
1088
1089 return ret;
1090}
1091
4364623c
SA		 1092static int get_association_info(struct usbnet *usbdev,
1093 struct ndis_80211_assoc_info *info, int len)
1094{
1095 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
1096 info, &len);
1097}
bf164cc0 1098
5c52323e 1099static bool is_associated(struct usbnet *usbdev)
bf164cc0 1100{
5c52323e 1101 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1102 u8 bssid[ETH_ALEN];
1103 int ret;
1104
5c52323e
JK		 1105 if (!priv->radio_on)
1106 return false;
1107
bf164cc0
JK		 1108 ret = get_bssid(usbdev, bssid);
1109
7b1fff99 1110 return (ret == 0 && !is_zero_ether_addr(bssid));
bf164cc0
JK		 1111}
1112
051ae0bf 1113static int disassociate(struct usbnet *usbdev, bool reset_ssid)
bf164cc0 1114{
582241a0 1115 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1116 struct ndis_80211_ssid ssid;
bf164cc0
JK		 1117 int i, ret = 0;
1118
1119 if (priv->radio_on) {
1120 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1121 if (ret == 0) {
051ae0bf 1122 priv->radio_on = false;
60b86755
JP		 1123 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1124 __func__);
bf164cc0
JK		 1125
1126 if (reset_ssid)
1127 msleep(100);
1128 }
1129 }
1130
1131 /* disassociate causes radio to be turned off; if reset_ssid
1132 * is given, set random ssid to enable radio */
1133 if (reset_ssid) {
9f77ccab
JK		 1134 /* Set device to infrastructure mode so we don't get ad-hoc
1135 * 'media connect' indications with the random ssid.
1136 */
1137 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1138
461b3f2a
JK		 1139 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1140 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1141 ssid.essid[0] = 0x1;
1142 ssid.essid[1] = 0xff;
1143 for (i = 2; i < sizeof(ssid.essid); i++)
1144 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 1145 ret = set_essid(usbdev, &ssid);
1146 }
1147 return ret;
1148}
1149
5c52323e
JK		 1150static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1151 enum nl80211_auth_type auth_type, int keymgmt)
bf164cc0 1152{
582241a0 1153 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1154 __le32 tmp;
1155 int auth_mode, ret;
1156
60b86755
JP		 1157 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1158 __func__, wpa_version, auth_type, keymgmt);
bf164cc0 1159
5c52323e
JK		 1160 if (wpa_version & NL80211_WPA_VERSION_2) {
1161 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1162 auth_mode = NDIS_80211_AUTH_WPA2;
bf164cc0 1163 else
aa18294a 1164 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
5c52323e
JK		 1165 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1166 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1167 auth_mode = NDIS_80211_AUTH_WPA;
5c52323e 1168 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
aa18294a 1169 auth_mode = NDIS_80211_AUTH_WPA_PSK;
bf164cc0 1170 else
aa18294a 1171 auth_mode = NDIS_80211_AUTH_WPA_NONE;
5c52323e
JK		 1172 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1173 auth_mode = NDIS_80211_AUTH_SHARED;
1174 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
aa18294a 1175 auth_mode = NDIS_80211_AUTH_OPEN;
634a555c
JK		 1176 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1177 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
5c52323e
JK		 1178 else
1179 return -ENOTSUPP;
bf164cc0
JK		 1180
1181 tmp = cpu_to_le32(auth_mode);
1182 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1183 sizeof(tmp));
1184 if (ret != 0) {
60b86755
JP		 1185 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1186 ret);
bf164cc0
JK		 1187 return ret;
1188 }
1189
1190 priv->wpa_version = wpa_version;
5c52323e 1191
bf164cc0
JK		 1192 return 0;
1193}
1194
bf164cc0
JK		 1195static int set_priv_filter(struct usbnet *usbdev)
1196{
582241a0 1197 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1198 __le32 tmp;
1199
60b86755
JP		 1200 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1201 __func__, priv->wpa_version);
bf164cc0 1202
5c52323e
JK		 1203 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1204 priv->wpa_version & NL80211_WPA_VERSION_1)
aa18294a 1205 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
bf164cc0 1206 else
aa18294a 1207 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
bf164cc0
JK		 1208
1209 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1210 sizeof(tmp));
1211}
1212
bf164cc0
JK		 1213static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1214{
bf164cc0
JK		 1215 __le32 tmp;
1216 int encr_mode, ret;
1217
60b86755
JP		 1218 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1219 __func__, pairwise, groupwise);
bf164cc0 1220
5c52323e 1221 if (pairwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1222 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1223 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1224 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
5c52323e 1225 else if (pairwise & RNDIS_WLAN_ALG_WEP)
aa18294a 1226 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
5c52323e 1227 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1228 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1229 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1230 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0 1231 else
aa18294a 1232 encr_mode = NDIS_80211_ENCR_DISABLED;
bf164cc0
JK		 1233
1234 tmp = cpu_to_le32(encr_mode);
1235 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1236 sizeof(tmp));
1237 if (ret != 0) {
60b86755
JP		 1238 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1239 ret);
bf164cc0
JK		 1240 return ret;
1241 }
1242
bf164cc0
JK		 1243 return 0;
1244}
1245
bf164cc0
JK		 1246static int set_infra_mode(struct usbnet *usbdev, int mode)
1247{
582241a0 1248 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 1249 __le32 tmp;
b7cfc5b3 1250 int ret;
bf164cc0 1251
60b86755
JP		 1252 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1253 __func__, priv->infra_mode);
bf164cc0
JK		 1254
1255 tmp = cpu_to_le32(mode);
1256 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1257 sizeof(tmp));
1258 if (ret != 0) {
60b86755
JP		 1259 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1260 ret);
bf164cc0
JK		 1261 return ret;
1262 }
1263
1264 /* NDIS drivers clear keys when infrastructure mode is
1265 * changed. But Linux tools assume otherwise. So set the
1266 * keys */
b7cfc5b3 1267 restore_keys(usbdev);
bf164cc0
JK		 1268
1269 priv->infra_mode = mode;
1270 return 0;
1271}
1272
d75ec2b7
JK		 1273static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1274{
1275 __le32 tmp;
1276
60b86755 1277 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
d75ec2b7
JK		 1278
1279 if (rts_threshold < 0 || rts_threshold > 2347)
1280 rts_threshold = 2347;
1281
1282 tmp = cpu_to_le32(rts_threshold);
1283 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1284 sizeof(tmp));
1285}
1286
d75ec2b7
JK		 1287static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1288{
1289 __le32 tmp;
1290
60b86755 1291 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
d75ec2b7
JK		 1292
1293 if (frag_threshold < 256 || frag_threshold > 2346)
1294 frag_threshold = 2346;
1295
1296 tmp = cpu_to_le32(frag_threshold);
1297 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1298 sizeof(tmp));
1299}
1300
bf164cc0
JK		 1301static void set_default_iw_params(struct usbnet *usbdev)
1302{
aa18294a 1303 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
5c52323e
JK		 1304 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1305 RNDIS_WLAN_KEY_MGMT_NONE);
bf164cc0 1306 set_priv_filter(usbdev);
5c52323e 1307 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1308}
1309
bf164cc0
JK		 1310static int deauthenticate(struct usbnet *usbdev)
1311{
1312 int ret;
1313
051ae0bf 1314 ret = disassociate(usbdev, true);
bf164cc0
JK		 1315 set_default_iw_params(usbdev);
1316 return ret;
1317}
1318
5c52323e
JK		 1319static int set_channel(struct usbnet *usbdev, int channel)
1320{
1321 struct ndis_80211_conf config;
1322 unsigned int dsconfig;
1323 int len, ret;
1324
60b86755 1325 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
5c52323e
JK		 1326
1327 /* this OID is valid only when not associated */
1328 if (is_associated(usbdev))
1329 return 0;
1330
1331 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1332
1333 len = sizeof(config);
1334 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1335 if (ret < 0) {
60b86755
JP		 1336 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1337 __func__);
5c52323e
JK		 1338 return ret;
1339 }
1340
1341 config.ds_config = cpu_to_le32(dsconfig);
1342 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1343 sizeof(config));
1344
60b86755 1345 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
5c52323e
JK		 1346
1347 return ret;
1348}
1349
cb82a66d
JK		 1350static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev,
1351 u16 *beacon_interval)
1352{
1353 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1354 struct ieee80211_channel *channel;
1355 struct ndis_80211_conf config;
1356 int len, ret;
1357
1358 /* Get channel and beacon interval */
1359 len = sizeof(config);
1360 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1361 netdev_dbg(usbdev->net, "%s(): OID_802_11_CONFIGURATION -> %d\n",
1362 __func__, ret);
1363 if (ret < 0)
1364 return NULL;
1365
1366 channel = ieee80211_get_channel(priv->wdev.wiphy,
1367 KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
1368 if (!channel)
1369 return NULL;
1370
1371 if (beacon_interval)
1372 *beacon_interval = le16_to_cpu(config.beacon_period);
1373 return channel;
1374}
1375
bf164cc0 1376/* index must be 0 - N, as per NDIS */
5c52323e
JK		 1377static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1378 int index)
bf164cc0 1379{
582241a0 1380 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1381 struct ndis_80211_wep_key ndis_key;
84bf8400
JK		 1382 u32 cipher;
1383 int ret;
1384
60b86755
JP		 1385 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1386 __func__, index, key_len);
bf164cc0 1387
40ba60dd 1388 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
bf164cc0
JK		 1389 return -EINVAL;
1390
b7cfc5b3
JK		 1391 if (key_len == 5)
1392 cipher = WLAN_CIPHER_SUITE_WEP40;
1393 else
1394 cipher = WLAN_CIPHER_SUITE_WEP104;
1395
bf164cc0
JK		 1396 memset(&ndis_key, 0, sizeof(ndis_key));
1397
461b3f2a
JK		 1398 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1399 ndis_key.length = cpu_to_le32(key_len);
1400 ndis_key.index = cpu_to_le32(index);
1401 memcpy(&ndis_key.material, key, key_len);
bf164cc0
JK		 1402
1403 if (index == priv->encr_tx_key_index) {
aa18294a 1404 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
5c52323e
JK		 1405 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1406 RNDIS_WLAN_ALG_NONE);
bf164cc0 1407 if (ret)
60b86755
JP		 1408 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1409 ret);
bf164cc0
JK		 1410 }
1411
1412 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1413 sizeof(ndis_key));
1414 if (ret != 0) {
60b86755
JP		 1415 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1416 index + 1, ret);
bf164cc0
JK		 1417 return ret;
1418 }
1419
b7cfc5b3
JK		 1420 priv->encr_keys[index].len = key_len;
1421 priv->encr_keys[index].cipher = cipher;
1422 memcpy(&priv->encr_keys[index].material, key, key_len);
1423 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
bf164cc0
JK		 1424
1425 return 0;
1426}
1427
b145ee0c 1428static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
84bf8400 1429 int index, const u8 *addr, const u8 *rx_seq,
53d27eaf 1430 int seq_len, u32 cipher, __le32 flags)
b145ee0c 1431{
582241a0 1432 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b145ee0c 1433 struct ndis_80211_key ndis_key;
b7cfc5b3 1434 bool is_addr_ok;
b145ee0c
JK		 1435 int ret;
1436
b7cfc5b3 1437 if (index < 0 || index >= 4) {
60b86755
JP		 1438 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1439 __func__, index);
b145ee0c 1440 return -EINVAL;
b7cfc5b3
JK		 1441 }
1442 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
60b86755
JP		 1443 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1444 __func__, key_len);
b145ee0c 1445 return -EINVAL;
b7cfc5b3 1446 }
84bf8400
JK		 1447 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1448 if (!rx_seq || seq_len <= 0) {
60b86755
JP		 1449 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1450 __func__);
84bf8400
JK		 1451 return -EINVAL;
1452 }
1453 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
60b86755 1454 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
84bf8400
JK		 1455 return -EINVAL;
1456 }
b7cfc5b3 1457 }
84bf8400 1458
7b1fff99
JK		 1459 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1460 !is_broadcast_ether_addr(addr);
b7cfc5b3 1461 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
60b86755
JP		 1462 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1463 __func__, addr);
b145ee0c 1464 return -EINVAL;
b7cfc5b3 1465 }
b145ee0c 1466
60b86755
JP		 1467 netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
1468 __func__, index,
1469 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1470 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1471 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
b145ee0c
JK		 1472
1473 memset(&ndis_key, 0, sizeof(ndis_key));
1474
1475 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1476 sizeof(ndis_key.material) + key_len);
1477 ndis_key.length = cpu_to_le32(key_len);
1478 ndis_key.index = cpu_to_le32(index) | flags;
1479
b7cfc5b3 1480 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
b145ee0c
JK		 1481 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1482 * different order than NDIS spec, so swap the order here. */
1483 memcpy(ndis_key.material, key, 16);
1484 memcpy(ndis_key.material + 16, key + 24, 8);
1485 memcpy(ndis_key.material + 24, key + 16, 8);
1486 } else
1487 memcpy(ndis_key.material, key, key_len);
1488
aa18294a 1489 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
84bf8400 1490 memcpy(ndis_key.rsc, rx_seq, seq_len);
b145ee0c 1491
aa18294a 1492 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
b145ee0c 1493 /* pairwise key */
b7cfc5b3 1494 memcpy(ndis_key.bssid, addr, ETH_ALEN);
b145ee0c
JK		 1495 } else {
1496 /* group key */
aa18294a 1497 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
b145ee0c
JK		 1498 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1499 else
1500 get_bssid(usbdev, ndis_key.bssid);
1501 }
1502
1503 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1504 le32_to_cpu(ndis_key.size));
60b86755
JP		 1505 netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n",
1506 __func__, ret);
b145ee0c
JK		 1507 if (ret != 0)
1508 return ret;
1509
b7cfc5b3
JK		 1510 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1511 priv->encr_keys[index].len = key_len;
1512 priv->encr_keys[index].cipher = cipher;
1513 memcpy(&priv->encr_keys[index].material, key, key_len);
1514 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1515 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1516 else
1517 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
9839178e 1518
aa18294a 1519 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
b145ee0c
JK		 1520 priv->encr_tx_key_index = index;
1521
1522 return 0;
1523}
1524
b7cfc5b3
JK		 1525static int restore_key(struct usbnet *usbdev, int key_idx)
1526{
1527 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1528 struct rndis_wlan_encr_key key;
84bf8400
JK		 1529
1530 if (is_wpa_key(priv, key_idx))
1531 return 0;
b7cfc5b3
JK		 1532
1533 key = priv->encr_keys[key_idx];
1534
60b86755 1535 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
b7cfc5b3
JK		 1536
1537 if (key.len == 0)
1538 return 0;
1539
b7cfc5b3
JK		 1540 return add_wep_key(usbdev, key.material, key.len, key_idx);
1541}
1542
b7cfc5b3
JK		 1543static void restore_keys(struct usbnet *usbdev)
1544{
1545 int i;
1546
1547 for (i = 0; i < 4; i++)
1548 restore_key(usbdev, i);
1549}
1550
b7cfc5b3
JK		 1551static void clear_key(struct rndis_wlan_private *priv, int idx)
1552{
1553 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1554}
1555
bf164cc0 1556/* remove_key is for both wep and wpa */
84bf8400 1557static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
bf164cc0 1558{
582241a0 1559 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1560 struct ndis_80211_remove_key remove_key;
bf164cc0 1561 __le32 keyindex;
b7cfc5b3 1562 bool is_wpa;
bf164cc0
JK		 1563 int ret;
1564
ec3cbb9c
DC		 1565 if (index >= RNDIS_WLAN_NUM_KEYS)
1566 return -ENOENT;
1567
b7cfc5b3 1568 if (priv->encr_keys[index].len == 0)
bf164cc0
JK		 1569 return 0;
1570
b7cfc5b3 1571 is_wpa = is_wpa_key(priv, index);
bf164cc0 1572
60b86755
JP		 1573 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1574 __func__, index, is_wpa ? "wpa" : "wep",
1575 priv->encr_keys[index].len);
b7cfc5b3
JK		 1576
1577 clear_key(priv, index);
1578
1579 if (is_wpa) {
461b3f2a
JK		 1580 remove_key.size = cpu_to_le32(sizeof(remove_key));
1581 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 1582 if (bssid) {
1583 /* pairwise key */
7b1fff99 1584 if (!is_broadcast_ether_addr(bssid))
b4703a2e 1585 remove_key.index |=
aa18294a 1586 NDIS_80211_ADDKEY_PAIRWISE_KEY;
461b3f2a
JK		 1587 memcpy(remove_key.bssid, bssid,
1588 sizeof(remove_key.bssid));
bf164cc0 1589 } else
461b3f2a
JK		 1590 memset(remove_key.bssid, 0xff,
1591 sizeof(remove_key.bssid));
bf164cc0
JK		 1592
1593 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1594 sizeof(remove_key));
1595 if (ret != 0)
1596 return ret;
1597 } else {
1598 keyindex = cpu_to_le32(index);
1599 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1600 sizeof(keyindex));
1601 if (ret != 0) {
60b86755
JP		 1602 netdev_warn(usbdev->net,
1603 "removing encryption key %d failed (%08X)\n",
1604 index, ret);
bf164cc0
JK		 1605 return ret;
1606 }
1607 }
1608
1609 /* if it is transmit key, disable encryption */
1610 if (index == priv->encr_tx_key_index)
5c52323e 1611 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1612
1613 return 0;
1614}
1615
bf164cc0
JK		 1616static void set_multicast_list(struct usbnet *usbdev)
1617{
582241a0 1618 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
22bedad3 1619 struct netdev_hw_addr *ha;
12c3400a
JP		 1620 __le32 filter, basefilter;
1621 int ret;
1622 char *mc_addrs = NULL;
1623 int mc_count;
bf164cc0 1624
12c3400a
JP		 1625 basefilter = filter = RNDIS_PACKET_TYPE_DIRECTED |
1626 RNDIS_PACKET_TYPE_BROADCAST;
bf164cc0
JK		 1627
1628 if (usbdev->net->flags & IFF_PROMISC) {
1629 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1630 RNDIS_PACKET_TYPE_ALL_LOCAL;
12c3400a
JP		 1631 } else if (usbdev->net->flags & IFF_ALLMULTI) {
1632 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1633 }
1634
1635 if (filter != basefilter)
1636 goto set_filter;
1637
1638 /*
1639 * mc_list should be accessed holding the lock, so copy addresses to
1640 * local buffer first.
1641 */
1642 netif_addr_lock_bh(usbdev->net);
1643 mc_count = netdev_mc_count(usbdev->net);
1644 if (mc_count > priv->multicast_size) {
bf164cc0 1645 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
12c3400a
JP		 1646 } else if (mc_count) {
1647 int i = 0;
1648
1649 mc_addrs = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC);
1650 if (!mc_addrs) {
60b86755
JP		 1651 netdev_warn(usbdev->net,
1652 "couldn't alloc %d bytes of memory\n",
12c3400a 1653 mc_count * ETH_ALEN);
655ffee2 1654 netif_addr_unlock_bh(usbdev->net);
bf164cc0
JK		 1655 return;
1656 }
1657
22bedad3 1658 netdev_for_each_mc_addr(ha, usbdev->net)
12c3400a 1659 memcpy(mc_addrs + i++ * ETH_ALEN,
22bedad3 1660 ha->addr, ETH_ALEN);
12c3400a
JP		 1661 }
1662 netif_addr_unlock_bh(usbdev->net);
bf164cc0 1663
12c3400a
JP		 1664 if (filter != basefilter)
1665 goto set_filter;
1666
1667 if (mc_count) {
1668 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, mc_addrs,
1669 mc_count * ETH_ALEN);
1670 kfree(mc_addrs);
1671 if (ret == 0)
bf164cc0
JK		 1672 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1673 else
1674 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1675
60b86755 1676 netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
12c3400a 1677 mc_count, priv->multicast_size, ret);
bf164cc0
JK		 1678 }
1679
12c3400a 1680set_filter:
bf164cc0
JK		 1681 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1682 sizeof(filter));
1683 if (ret < 0) {
60b86755
JP		 1684 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1685 le32_to_cpu(filter));
bf164cc0
JK		 1686 }
1687
60b86755
JP		 1688 netdev_dbg(usbdev->net, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1689 le32_to_cpu(filter), ret);
bf164cc0
JK		 1690}
1691
5a7d0583
JK		 1692#ifdef DEBUG
1693static void debug_print_pmkids(struct usbnet *usbdev,
1694 struct ndis_80211_pmkid *pmkids,
1695 const char *func_str)
1696{
1697 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1698 int i, len, count, max_pmkids, entry_len;
1699
1700 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1701 len = le32_to_cpu(pmkids->length);
1702 count = le32_to_cpu(pmkids->bssid_info_count);
1703
1704 entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1;
1705
1706 netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: "
1707 "%d)\n", func_str, count, len, entry_len);
1708
1709 if (count > max_pmkids)
1710 count = max_pmkids;
1711
1712 for (i = 0; i < count; i++) {
1713 u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid;
1714
1715 netdev_dbg(usbdev->net, "%s(): bssid: %pM, "
1716 "pmkid: %08X:%08X:%08X:%08X\n",
1717 func_str, pmkids->bssid_info[i].bssid,
1718 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
1719 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
1720 }
1721}
1722#else
1723static void debug_print_pmkids(struct usbnet *usbdev,
1724 struct ndis_80211_pmkid *pmkids,
1725 const char *func_str)
1726{
1727 return;
1728}
1729#endif
1730
1731static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev)
1732{
1733 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1734 struct ndis_80211_pmkid *pmkids;
1735 int len, ret, max_pmkids;
1736
1737 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1738 len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]);
1739
1740 pmkids = kzalloc(len, GFP_KERNEL);
1741 if (!pmkids)
1742 return ERR_PTR(-ENOMEM);
1743
1744 pmkids->length = cpu_to_le32(len);
1745 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1746
1747 ret = rndis_query_oid(usbdev, OID_802_11_PMKID, pmkids, &len);
1748 if (ret < 0) {
1749 netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d)"
1750 " -> %d\n", __func__, len, max_pmkids, ret);
1751
1752 kfree(pmkids);
1753 return ERR_PTR(ret);
1754 }
1755
1756 if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids)
1757 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1758
1759 debug_print_pmkids(usbdev, pmkids, __func__);
1760
1761 return pmkids;
1762}
1763
1764static int set_device_pmkids(struct usbnet *usbdev,
1765 struct ndis_80211_pmkid *pmkids)
1766{
1767 int ret, len, num_pmkids;
1768
1769 num_pmkids = le32_to_cpu(pmkids->bssid_info_count);
1770 len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]);
1771 pmkids->length = cpu_to_le32(len);
1772
1773 debug_print_pmkids(usbdev, pmkids, __func__);
1774
1775 ret = rndis_set_oid(usbdev, OID_802_11_PMKID, pmkids,
1776 le32_to_cpu(pmkids->length));
1777 if (ret < 0) {
1778 netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d) -> %d"
1779 "\n", __func__, len, num_pmkids, ret);
1780 }
1781
1782 kfree(pmkids);
1783 return ret;
1784}
1785
1786static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev,
1787 struct ndis_80211_pmkid *pmkids,
1788 struct cfg80211_pmksa *pmksa,
1789 int max_pmkids)
1790{
1791 int i, len, count, newlen, err;
1792
1793 len = le32_to_cpu(pmkids->length);
1794 count = le32_to_cpu(pmkids->bssid_info_count);
1795
1796 if (count > max_pmkids)
1797 count = max_pmkids;
1798
1799 for (i = 0; i < count; i++)
1800 if (!compare_ether_addr(pmkids->bssid_info[i].bssid,
1801 pmksa->bssid))
1802 break;
1803
1804 /* pmkid not found */
1805 if (i == count) {
1806 netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n",
1807 __func__, pmksa->bssid);
1808 err = -ENOENT;
1809 goto error;
1810 }
1811
1812 for (; i + 1 < count; i++)
1813 pmkids->bssid_info[i] = pmkids->bssid_info[i + 1];
1814
1815 count--;
1816 newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]);
1817
1818 pmkids->length = cpu_to_le32(newlen);
1819 pmkids->bssid_info_count = cpu_to_le32(count);
1820
1821 return pmkids;
1822error:
1823 kfree(pmkids);
1824 return ERR_PTR(err);
1825}
1826
1827static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev,
1828 struct ndis_80211_pmkid *pmkids,
1829 struct cfg80211_pmksa *pmksa,
1830 int max_pmkids)
1831{
1832 int i, err, len, count, newlen;
1833
1834 len = le32_to_cpu(pmkids->length);
1835 count = le32_to_cpu(pmkids->bssid_info_count);
1836
1837 if (count > max_pmkids)
1838 count = max_pmkids;
1839
1840 /* update with new pmkid */
1841 for (i = 0; i < count; i++) {
1842 if (compare_ether_addr(pmkids->bssid_info[i].bssid,
1843 pmksa->bssid))
1844 continue;
1845
1846 memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid,
1847 WLAN_PMKID_LEN);
1848
1849 return pmkids;
1850 }
1851
1852 /* out of space, return error */
1853 if (i == max_pmkids) {
1854 netdev_dbg(usbdev->net, "%s(): out of space\n", __func__);
1855 err = -ENOSPC;
1856 goto error;
1857 }
1858
1859 /* add new pmkid */
1860 newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]);
1861
1862 pmkids = krealloc(pmkids, newlen, GFP_KERNEL);
1863 if (!pmkids) {
1864 err = -ENOMEM;
1865 goto error;
1866 }
1867
1868 pmkids->length = cpu_to_le32(newlen);
1869 pmkids->bssid_info_count = cpu_to_le32(count + 1);
1870
1871 memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN);
1872 memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
1873
1874 return pmkids;
1875error:
1876 kfree(pmkids);
1877 return ERR_PTR(err);
1878}
1879
964c1d41
JL		 1880/*
1881 * cfg80211 ops
1882 */
e36d56b6
JB		 1883static int rndis_change_virtual_intf(struct wiphy *wiphy,
1884 struct net_device *dev,
964c1d41
JL		 1885 enum nl80211_iftype type, u32 *flags,
1886 struct vif_params *params)
1887{
16139172
JK		 1888 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1889 struct usbnet *usbdev = priv->usbdev;
964c1d41
JL		 1890 int mode;
1891
964c1d41
JL		 1892 switch (type) {
1893 case NL80211_IFTYPE_ADHOC:
aa18294a 1894 mode = NDIS_80211_INFRA_ADHOC;
964c1d41
JL		 1895 break;
1896 case NL80211_IFTYPE_STATION:
aa18294a 1897 mode = NDIS_80211_INFRA_INFRA;
964c1d41
JL		 1898 break;
1899 default:
1900 return -EINVAL;
1901 }
1902
16139172
JK		 1903 priv->wdev.iftype = type;
1904
964c1d41
JL		 1905 return set_infra_mode(usbdev, mode);
1906}
1907
d75ec2b7
JK		 1908static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1909{
1910 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1911 struct usbnet *usbdev = priv->usbdev;
1912 int err;
1913
1914 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1915 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1916 if (err < 0)
1917 return err;
1918 }
1919
1920 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1921 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1922 if (err < 0)
1923 return err;
1924 }
1925
1926 return 0;
1927}
1928
fa61cf70
JO		 1929static int rndis_set_tx_power(struct wiphy *wiphy,
1930 enum nl80211_tx_power_setting type,
1931 int mbm)
222ec50a
JK		 1932{
1933 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1934 struct usbnet *usbdev = priv->usbdev;
1935
fa61cf70
JO		 1936 netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n",
1937 __func__, type, mbm);
1938
1939 if (mbm < 0 || (mbm % 100))
1940 return -ENOTSUPP;
222ec50a
JK		 1941
1942 /* Device doesn't support changing txpower after initialization, only
1943 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1944 * currently used.
1945 */
fa61cf70
JO		 1946 if (type == NL80211_TX_POWER_AUTOMATIC ||
1947 MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) {
222ec50a 1948 if (!priv->radio_on)
051ae0bf 1949 disassociate(usbdev, true); /* turn on radio */
222ec50a
JK		 1950
1951 return 0;
1952 }
1953
1954 return -ENOTSUPP;
1955}
1956
222ec50a
JK		 1957static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1958{
1959 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1960 struct usbnet *usbdev = priv->usbdev;
1961
1962 *dbm = get_bcm4320_power_dbm(priv);
1963
60b86755 1964 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
222ec50a
JK		 1965
1966 return 0;
1967}
1968
b1d25a67 1969#define SCAN_DELAY_JIFFIES (6 * HZ)
71a7b26d
JK		 1970static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1971 struct cfg80211_scan_request *request)
1972{
1973 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1974 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d 1975 int ret;
5cb56af2 1976 int delay = SCAN_DELAY_JIFFIES;
71a7b26d 1977
60b86755 1978 netdev_dbg(usbdev->net, "cfg80211.scan\n");
71a7b26d 1979
db0dd396
JK		 1980 /* Get current bssid list from device before new scan, as new scan
1981 * clears internal bssid list.
1982 */
b5257c95 1983 rndis_check_bssid_list(usbdev, NULL, NULL);
db0dd396 1984
71a7b26d
JK		 1985 if (!request)
1986 return -EINVAL;
1987
1988 if (priv->scan_request && priv->scan_request != request)
1989 return -EBUSY;
1990
1991 priv->scan_request = request;
1992
5cb56af2 1993 ret = rndis_start_bssid_list_scan(usbdev);
71a7b26d 1994 if (ret == 0) {
5cb56af2
JK		 1995 if (priv->device_type == RNDIS_BCM4320A)
1996 delay = HZ;
1997
71a7b26d 1998 /* Wait before retrieving scan results from device */
5cb56af2 1999 queue_delayed_work(priv->workqueue, &priv->scan_work, delay);
71a7b26d
JK		 2000 }
2001
2002 return ret;
2003}
2004
a64e2e23
JK		 2005static bool rndis_bss_info_update(struct usbnet *usbdev,
2006 struct ndis_80211_bssid_ex *bssid)
71a7b26d 2007{
582241a0 2008 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d 2009 struct ieee80211_channel *channel;
a64e2e23 2010 struct cfg80211_bss *bss;
71a7b26d
JK		 2011 s32 signal;
2012 u64 timestamp;
2013 u16 capability;
2014 u16 beacon_interval;
2015 struct ndis_80211_fixed_ies *fixed;
2016 int ie_len, bssid_len;
2017 u8 *ie;
2018
bfe3850b
JK		 2019 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n",
2020 bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length));
5fd8f250 2021
71a7b26d
JK		 2022 /* parse bssid structure */
2023 bssid_len = le32_to_cpu(bssid->length);
2024
2025 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
2026 sizeof(struct ndis_80211_fixed_ies))
2027 return NULL;
2028
2029 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
2030
2031 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
2032 ie_len = min(bssid_len - (int)sizeof(*bssid),
2033 (int)le32_to_cpu(bssid->ie_length));
2034 ie_len -= sizeof(struct ndis_80211_fixed_ies);
2035 if (ie_len < 0)
2036 return NULL;
2037
2038 /* extract data for cfg80211_inform_bss */
2039 channel = ieee80211_get_channel(priv->wdev.wiphy,
2040 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
2041 if (!channel)
2042 return NULL;
2043
2044 signal = level_to_qual(le32_to_cpu(bssid->rssi));
2045 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
2046 capability = le16_to_cpu(fixed->capabilities);
2047 beacon_interval = le16_to_cpu(fixed->beacon_interval);
2048
a64e2e23 2049 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
71a7b26d
JK		 2050 timestamp, capability, beacon_interval, ie, ie_len, signal,
2051 GFP_KERNEL);
a64e2e23
JK		 2052 cfg80211_put_bss(bss);
2053
2054 return (bss != NULL);
71a7b26d
JK		 2055}
2056
bfe3850b
JK		 2057static struct ndis_80211_bssid_ex *next_bssid_list_item(
2058 struct ndis_80211_bssid_ex *bssid,
2059 int *bssid_len, void *buf, int len)
2060{
2061 void *buf_end, *bssid_end;
2062
2063 buf_end = (char *)buf + len;
2064 bssid_end = (char *)bssid + *bssid_len;
2065
2066 if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) {
2067 *bssid_len = 0;
2068 return NULL;
2069 } else {
2070 bssid = (void *)((char *)bssid + *bssid_len);
2071 *bssid_len = le32_to_cpu(bssid->length);
2072 return bssid;
2073 }
2074}
2075
2076static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid,
2077 int bssid_len, void *buf, int len)
2078{
2079 void *buf_end, *bssid_end;
2080
2081 if (!bssid || bssid_len <= 0 || bssid_len > len)
2082 return false;
2083
2084 buf_end = (char *)buf + len;
2085 bssid_end = (char *)bssid + bssid_len;
2086
2087 return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0;
2088}
2089
b5257c95
JK		 2090static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
2091 bool *matched)
71a7b26d
JK		 2092{
2093 void *buf = NULL;
2094 struct ndis_80211_bssid_list_ex *bssid_list;
2095 struct ndis_80211_bssid_ex *bssid;
bfe3850b 2096 int ret = -EINVAL, len, count, bssid_len, real_count, new_len;
71a7b26d 2097
bfe3850b 2098 netdev_dbg(usbdev->net, "%s()\n", __func__);
71a7b26d
JK		 2099
2100 len = CONTROL_BUFFER_SIZE;
5fd8f250 2101resize_buf:
bfe3850b 2102 buf = kzalloc(len, GFP_KERNEL);
71a7b26d
JK		 2103 if (!buf) {
2104 ret = -ENOMEM;
2105 goto out;
2106 }
2107
bfe3850b
JK		 2108 /* BSSID-list might have got bigger last time we checked, keep
2109 * resizing until it won't get any bigger.
2110 */
2111 new_len = len;
2112 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &new_len);
2113 if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex))
71a7b26d
JK		 2114 goto out;
2115
bfe3850b
JK		 2116 if (new_len > len) {
2117 len = new_len;
5fd8f250
JK		 2118 kfree(buf);
2119 goto resize_buf;
2120 }
2121
bfe3850b
JK		 2122 len = new_len;
2123
71a7b26d 2124 bssid_list = buf;
71a7b26d 2125 count = le32_to_cpu(bssid_list->num_items);
bfe3850b
JK		 2126 real_count = 0;
2127 netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len);
2128
2129 bssid_len = 0;
2130 bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len);
71a7b26d 2131
bfe3850b
JK		 2132 /* Device returns incorrect 'num_items'. Workaround by ignoring the
2133 * received 'num_items' and walking through full bssid buffer instead.
2134 */
2135 while (check_bssid_list_item(bssid, bssid_len, buf, len)) {
b5257c95
JK		 2136 if (rndis_bss_info_update(usbdev, bssid) && match_bssid &&
2137 matched) {
2138 if (compare_ether_addr(bssid->mac, match_bssid))
2139 *matched = true;
2140 }
71a7b26d 2141
bfe3850b
JK		 2142 real_count++;
2143 bssid = next_bssid_list_item(bssid, &bssid_len, buf, len);
71a7b26d
JK		 2144 }
2145
bfe3850b
JK		 2146 netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:"
2147 " %d\n", __func__, count, real_count);
2148
71a7b26d
JK		 2149out:
2150 kfree(buf);
2151 return ret;
2152}
2153
71a7b26d
JK		 2154static void rndis_get_scan_results(struct work_struct *work)
2155{
582241a0
JK		 2156 struct rndis_wlan_private *priv =
2157 container_of(work, struct rndis_wlan_private, scan_work.work);
71a7b26d
JK		 2158 struct usbnet *usbdev = priv->usbdev;
2159 int ret;
2160
60b86755 2161 netdev_dbg(usbdev->net, "get_scan_results\n");
71a7b26d 2162
005ba2f1
JK		 2163 if (!priv->scan_request)
2164 return;
2165
b5257c95 2166 ret = rndis_check_bssid_list(usbdev, NULL, NULL);
71a7b26d
JK		 2167
2168 cfg80211_scan_done(priv->scan_request, ret < 0);
2169
2170 priv->scan_request = NULL;
2171}
2172
5c52323e
JK		 2173static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
2174 struct cfg80211_connect_params *sme)
2175{
2176 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2177 struct usbnet *usbdev = priv->usbdev;
2178 struct ieee80211_channel *channel = sme->channel;
2179 struct ndis_80211_ssid ssid;
2180 int pairwise = RNDIS_WLAN_ALG_NONE;
2181 int groupwise = RNDIS_WLAN_ALG_NONE;
2182 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
2183 int length, i, ret, chan = -1;
2184
2185 if (channel)
2186 chan = ieee80211_frequency_to_channel(channel->center_freq);
2187
2188 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
2189 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
2190 pairwise |=
2191 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
2192
2193 if (sme->crypto.n_ciphers_pairwise > 0 &&
2194 pairwise == RNDIS_WLAN_ALG_NONE) {
60b86755 2195 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
5c52323e
JK		 2196 return -ENOTSUPP;
2197 }
2198
2199 for (i = 0; i < sme->crypto.n_akm_suites; i++)
2200 keymgmt |=
2201 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
2202
2203 if (sme->crypto.n_akm_suites > 0 &&
2204 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
60b86755 2205 netdev_err(usbdev->net, "Invalid keymgmt\n");
5c52323e
JK		 2206 return -ENOTSUPP;
2207 }
2208
60b86755
JP		 2209 netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
2210 sme->ssid, sme->bssid, chan,
2211 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
2212 groupwise, pairwise, keymgmt);
5c52323e
JK		 2213
2214 if (is_associated(usbdev))
2215 disassociate(usbdev, false);
2216
2217 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
2218 if (ret < 0) {
60b86755
JP		 2219 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
2220 ret);
5c52323e
JK		 2221 goto err_turn_radio_on;
2222 }
2223
2224 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
2225 keymgmt);
2226 if (ret < 0) {
60b86755
JP		 2227 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
2228 ret);
5c52323e
JK		 2229 goto err_turn_radio_on;
2230 }
2231
2232 set_priv_filter(usbdev);
2233
2234 ret = set_encr_mode(usbdev, pairwise, groupwise);
2235 if (ret < 0) {
60b86755
JP		 2236 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
2237 ret);
5c52323e
JK		 2238 goto err_turn_radio_on;
2239 }
2240
2241 if (channel) {
2242 ret = set_channel(usbdev, chan);
2243 if (ret < 0) {
60b86755
JP		 2244 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
2245 ret);
5c52323e
JK		 2246 goto err_turn_radio_on;
2247 }
2248 }
2249
2250 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
2251 priv->encr_tx_key_index = sme->key_idx;
2252 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
2253 if (ret < 0) {
60b86755
JP		 2254 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
2255 ret, sme->key_len, sme->key_idx);
5c52323e
JK		 2256 goto err_turn_radio_on;
2257 }
2258 }
2259
2260 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
2261 !is_broadcast_ether_addr(sme->bssid)) {
2262 ret = set_bssid(usbdev, sme->bssid);
2263 if (ret < 0) {
60b86755
JP		 2264 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
2265 ret);
5c52323e
JK		 2266 goto err_turn_radio_on;
2267 }
2268 } else
2269 clear_bssid(usbdev);
2270
2271 length = sme->ssid_len;
2272 if (length > NDIS_802_11_LENGTH_SSID)
2273 length = NDIS_802_11_LENGTH_SSID;
2274
2275 memset(&ssid, 0, sizeof(ssid));
2276 ssid.length = cpu_to_le32(length);
2277 memcpy(ssid.essid, sme->ssid, length);
2278
2279 /* Pause and purge rx queue, so we don't pass packets before
2280 * 'media connect'-indication.
2281 */
2282 usbnet_pause_rx(usbdev);
2283 usbnet_purge_paused_rxq(usbdev);
2284
2285 ret = set_essid(usbdev, &ssid);
2286 if (ret < 0)
60b86755 2287 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
5c52323e
JK		 2288 return ret;
2289
2290err_turn_radio_on:
051ae0bf 2291 disassociate(usbdev, true);
5c52323e
JK		 2292
2293 return ret;
2294}
2295
2296static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
2297 u16 reason_code)
2298{
2299 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2300 struct usbnet *usbdev = priv->usbdev;
2301
60b86755 2302 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
5c52323e
JK		 2303
2304 priv->connected = false;
8b89a288 2305 memset(priv->bssid, 0, ETH_ALEN);
5c52323e
JK		 2306
2307 return deauthenticate(usbdev);
2308}
2309
2310static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2311 struct cfg80211_ibss_params *params)
2312{
2313 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2314 struct usbnet *usbdev = priv->usbdev;
2315 struct ieee80211_channel *channel = params->channel;
2316 struct ndis_80211_ssid ssid;
2317 enum nl80211_auth_type auth_type;
2318 int ret, alg, length, chan = -1;
2319
2320 if (channel)
2321 chan = ieee80211_frequency_to_channel(channel->center_freq);
2322
2323 /* TODO: How to handle ad-hoc encryption?
2324 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
2325 * pre-shared for encryption (open/shared/wpa), is key set before
2326 * join_ibss? Which auth_type to use (not in params)? What about WPA?
2327 */
2328 if (params->privacy) {
2329 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
2330 alg = RNDIS_WLAN_ALG_WEP;
2331 } else {
2332 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2333 alg = RNDIS_WLAN_ALG_NONE;
2334 }
2335
60b86755
JP		 2336 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2337 params->ssid, params->bssid, chan, params->privacy);
5c52323e
JK		 2338
2339 if (is_associated(usbdev))
2340 disassociate(usbdev, false);
2341
2342 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
2343 if (ret < 0) {
60b86755
JP		 2344 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
2345 ret);
5c52323e
JK		 2346 goto err_turn_radio_on;
2347 }
2348
2349 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
2350 if (ret < 0) {
60b86755
JP		 2351 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
2352 ret);
5c52323e
JK		 2353 goto err_turn_radio_on;
2354 }
2355
2356 set_priv_filter(usbdev);
2357
2358 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
2359 if (ret < 0) {
60b86755
JP		 2360 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
2361 ret);
5c52323e
JK		 2362 goto err_turn_radio_on;
2363 }
2364
2365 if (channel) {
2366 ret = set_channel(usbdev, chan);
2367 if (ret < 0) {
60b86755
JP		 2368 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
2369 ret);
5c52323e
JK		 2370 goto err_turn_radio_on;
2371 }
2372 }
2373
2374 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2375 !is_broadcast_ether_addr(params->bssid)) {
2376 ret = set_bssid(usbdev, params->bssid);
2377 if (ret < 0) {
60b86755
JP		 2378 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
2379 ret);
5c52323e
JK		 2380 goto err_turn_radio_on;
2381 }
2382 } else
2383 clear_bssid(usbdev);
2384
2385 length = params->ssid_len;
2386 if (length > NDIS_802_11_LENGTH_SSID)
2387 length = NDIS_802_11_LENGTH_SSID;
2388
2389 memset(&ssid, 0, sizeof(ssid));
2390 ssid.length = cpu_to_le32(length);
2391 memcpy(ssid.essid, params->ssid, length);
2392
2393 /* Don't need to pause rx queue for ad-hoc. */
2394 usbnet_purge_paused_rxq(usbdev);
2395 usbnet_resume_rx(usbdev);
2396
2397 ret = set_essid(usbdev, &ssid);
2398 if (ret < 0)
60b86755
JP		 2399 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2400 ret);
5c52323e
JK		 2401 return ret;
2402
2403err_turn_radio_on:
051ae0bf 2404 disassociate(usbdev, true);
5c52323e
JK		 2405
2406 return ret;
2407}
2408
2409static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2410{
2411 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2412 struct usbnet *usbdev = priv->usbdev;
2413
60b86755 2414 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
5c52323e
JK		 2415
2416 priv->connected = false;
8b89a288 2417 memset(priv->bssid, 0, ETH_ALEN);
5c52323e
JK		 2418
2419 return deauthenticate(usbdev);
2420}
2421
f444de05 2422static int rndis_set_channel(struct wiphy *wiphy, struct net_device *netdev,
5554adbe
JK		 2423 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2424{
2425 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2426 struct usbnet *usbdev = priv->usbdev;
2427
2428 return set_channel(usbdev,
2429 ieee80211_frequency_to_channel(chan->center_freq));
2430}
71a7b26d 2431
84bf8400 2432static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213
JB		 2433 u8 key_index, bool pairwise, const u8 *mac_addr,
2434 struct key_params *params)
84bf8400
JK		 2435{
2436 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2437 struct usbnet *usbdev = priv->usbdev;
53d27eaf 2438 __le32 flags;
84bf8400 2439
60b86755
JP		 2440 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2441 __func__, key_index, mac_addr, params->cipher);
84bf8400
JK		 2442
2443 switch (params->cipher) {
2444 case WLAN_CIPHER_SUITE_WEP40:
2445 case WLAN_CIPHER_SUITE_WEP104:
2446 return add_wep_key(usbdev, params->key, params->key_len,
2447 key_index);
2448 case WLAN_CIPHER_SUITE_TKIP:
2449 case WLAN_CIPHER_SUITE_CCMP:
2450 flags = 0;
2451
2452 if (params->seq && params->seq_len > 0)
2453 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2454 if (mac_addr)
2455 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2456 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2457
2458 return add_wpa_key(usbdev, params->key, params->key_len,
2459 key_index, mac_addr, params->seq,
2460 params->seq_len, params->cipher, flags);
2461 default:
60b86755
JP		 2462 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2463 __func__, params->cipher);
84bf8400
JK		 2464 return -ENOTSUPP;
2465 }
2466}
2467
2468static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213 2469 u8 key_index, bool pairwise, const u8 *mac_addr)
84bf8400
JK		 2470{
2471 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2472 struct usbnet *usbdev = priv->usbdev;
2473
60b86755 2474 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
84bf8400
JK		 2475
2476 return remove_key(usbdev, key_index, mac_addr);
2477}
2478
2479static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
dbd2fd65 2480 u8 key_index, bool unicast, bool multicast)
84bf8400
JK		 2481{
2482 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2483 struct usbnet *usbdev = priv->usbdev;
2484 struct rndis_wlan_encr_key key;
2485
60b86755 2486 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
84bf8400 2487
ec3cbb9c
DC		 2488 if (key_index >= RNDIS_WLAN_NUM_KEYS)
2489 return -ENOENT;
2490
84bf8400
JK		 2491 priv->encr_tx_key_index = key_index;
2492
0b578021
JK		 2493 if (is_wpa_key(priv, key_index))
2494 return 0;
2495
84bf8400
JK		 2496 key = priv->encr_keys[key_index];
2497
2498 return add_wep_key(usbdev, key.material, key.len, key_index);
2499}
2500
8b89a288
JK		 2501static void rndis_fill_station_info(struct usbnet *usbdev,
2502 struct station_info *sinfo)
2503{
2504 __le32 linkspeed, rssi;
2505 int ret, len;
2506
2507 memset(sinfo, 0, sizeof(*sinfo));
2508
2509 len = sizeof(linkspeed);
2510 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
2511 if (ret == 0) {
2512 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2513 sinfo->filled |= STATION_INFO_TX_BITRATE;
2514 }
2515
2516 len = sizeof(rssi);
2517 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2518 if (ret == 0) {
2519 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2520 sinfo->filled |= STATION_INFO_SIGNAL;
2521 }
2522}
2523
2524static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2525 u8 *mac, struct station_info *sinfo)
2526{
2527 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2528 struct usbnet *usbdev = priv->usbdev;
2529
2530 if (compare_ether_addr(priv->bssid, mac))
2531 return -ENOENT;
2532
2533 rndis_fill_station_info(usbdev, sinfo);
2534
2535 return 0;
2536}
2537
d695df90
JK		 2538static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2539 int idx, u8 *mac, struct station_info *sinfo)
2540{
2541 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2542 struct usbnet *usbdev = priv->usbdev;
2543
2544 if (idx != 0)
2545 return -ENOENT;
2546
2547 memcpy(mac, priv->bssid, ETH_ALEN);
2548
2549 rndis_fill_station_info(usbdev, sinfo);
2550
2551 return 0;
2552}
2553
5a7d0583
JK		 2554static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2555 struct cfg80211_pmksa *pmksa)
2556{
2557 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2558 struct usbnet *usbdev = priv->usbdev;
2559 struct ndis_80211_pmkid *pmkids;
2560 u32 *tmp = (u32 *)pmksa->pmkid;
2561
2562 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2563 pmksa->bssid,
2564 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2565 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2566
2567 pmkids = get_device_pmkids(usbdev);
2568 if (IS_ERR(pmkids)) {
2569 /* couldn't read PMKID cache from device */
2570 return PTR_ERR(pmkids);
2571 }
2572
2573 pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2574 if (IS_ERR(pmkids)) {
2575 /* not found, list full, etc */
2576 return PTR_ERR(pmkids);
2577 }
2578
2579 return set_device_pmkids(usbdev, pmkids);
2580}
2581
2582static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2583 struct cfg80211_pmksa *pmksa)
2584{
2585 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2586 struct usbnet *usbdev = priv->usbdev;
2587 struct ndis_80211_pmkid *pmkids;
2588 u32 *tmp = (u32 *)pmksa->pmkid;
2589
2590 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2591 pmksa->bssid,
2592 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2593 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2594
2595 pmkids = get_device_pmkids(usbdev);
2596 if (IS_ERR(pmkids)) {
2597 /* Couldn't read PMKID cache from device */
2598 return PTR_ERR(pmkids);
2599 }
2600
2601 pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2602 if (IS_ERR(pmkids)) {
2603 /* not found, etc */
2604 return PTR_ERR(pmkids);
2605 }
2606
2607 return set_device_pmkids(usbdev, pmkids);
2608}
2609
2610static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
2611{
2612 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2613 struct usbnet *usbdev = priv->usbdev;
2614 struct ndis_80211_pmkid pmkid;
2615
2616 netdev_dbg(usbdev->net, "%s()\n", __func__);
2617
2618 memset(&pmkid, 0, sizeof(pmkid));
2619
2620 pmkid.length = cpu_to_le32(sizeof(pmkid));
2621 pmkid.bssid_info_count = cpu_to_le32(0);
2622
2623 return rndis_set_oid(usbdev, OID_802_11_PMKID, &pmkid, sizeof(pmkid));
2624}
2625
40d70dd1
JK		 2626static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2627 bool enabled, int timeout)
2628{
2629 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2630 struct usbnet *usbdev = priv->usbdev;
2631 int power_mode;
2632 __le32 mode;
2633 int ret;
2634
63453c05
JK		 2635 if (priv->device_type != RNDIS_BCM4320B)
2636 return -ENOTSUPP;
2637
40d70dd1
JK		 2638 netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__,
2639 enabled ? "enabled" : "disabled",
2640 timeout);
2641
2642 if (enabled)
2643 power_mode = NDIS_80211_POWER_MODE_FAST_PSP;
2644 else
2645 power_mode = NDIS_80211_POWER_MODE_CAM;
2646
2647 if (power_mode == priv->power_mode)
2648 return 0;
2649
2650 priv->power_mode = power_mode;
2651
2652 mode = cpu_to_le32(power_mode);
2653 ret = rndis_set_oid(usbdev, OID_802_11_POWER_MODE, &mode, sizeof(mode));
2654
2655 netdev_dbg(usbdev->net, "%s(): OID_802_11_POWER_MODE -> %d\n",
2656 __func__, ret);
2657
2658 return ret;
2659}
2660
49b35bd3
JK		 2661static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
2662 struct net_device *dev,
2663 s32 rssi_thold, u32 rssi_hyst)
2664{
2665 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2666
2667 priv->cqm_rssi_thold = rssi_thold;
2668 priv->cqm_rssi_hyst = rssi_hyst;
2669 priv->last_cqm_event_rssi = 0;
2670
2671 return 0;
2672}
2673
b5257c95
JK		 2674static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
2675 struct ndis_80211_assoc_info *info)
2676{
2677 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2678 struct ieee80211_channel *channel;
b5257c95 2679 struct ndis_80211_ssid ssid;
a64e2e23 2680 struct cfg80211_bss *bss;
b5257c95
JK		 2681 s32 signal;
2682 u64 timestamp;
2683 u16 capability;
cb82a66d 2684 u16 beacon_interval = 0;
b5257c95
JK		 2685 __le32 rssi;
2686 u8 ie_buf[34];
2687 int len, ret, ie_len;
2688
2689 /* Get signal quality, in case of error use rssi=0 and ignore error. */
2690 len = sizeof(rssi);
2691 rssi = 0;
458fafdd 2692 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
b5257c95
JK		 2693 signal = level_to_qual(le32_to_cpu(rssi));
2694
2695 netdev_dbg(usbdev->net, "%s(): OID_802_11_RSSI -> %d, "
2696 "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi),
2697 level_to_qual(le32_to_cpu(rssi)));
2698
2699 /* Get AP capabilities */
2700 if (info) {
2701 capability = le16_to_cpu(info->resp_ie.capa);
2702 } else {
2703 /* Set atleast ESS/IBSS capability */
2704 capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ?
2705 WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS;
2706 }
2707
2708 /* Get channel and beacon interval */
cb82a66d
JK		 2709 channel = get_current_channel(usbdev, &beacon_interval);
2710 if (!channel) {
2711 netdev_warn(usbdev->net, "%s(): could not get channel.\n",
2712 __func__);
b5257c95
JK		 2713 return;
2714 }
2715
2716 /* Get SSID, in case of error, use zero length SSID and ignore error. */
2717 len = sizeof(ssid);
2718 memset(&ssid, 0, sizeof(ssid));
2719 ret = rndis_query_oid(usbdev, OID_802_11_SSID, &ssid, &len);
2720 netdev_dbg(usbdev->net, "%s(): OID_802_11_SSID -> %d, len: %d, ssid: "
2721 "'%.32s'\n", __func__, ret,
2722 le32_to_cpu(ssid.length), ssid.essid);
2723
2724 if (le32_to_cpu(ssid.length) > 32)
2725 ssid.length = cpu_to_le32(32);
2726
2727 ie_buf[0] = WLAN_EID_SSID;
2728 ie_buf[1] = le32_to_cpu(ssid.length);
2729 memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length));
2730
2731 ie_len = le32_to_cpu(ssid.length) + 2;
2732
2733 /* no tsf */
2734 timestamp = 0;
2735
2736 netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
2737 "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
2738 "signal:%d\n", __func__, (channel ? channel->center_freq : -1),
2739 bssid, (u32)timestamp, capability, beacon_interval, ie_len,
2740 ssid.essid, signal);
2741
a64e2e23 2742 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
b5257c95
JK		 2743 timestamp, capability, beacon_interval, ie_buf, ie_len,
2744 signal, GFP_KERNEL);
a64e2e23 2745 cfg80211_put_bss(bss);
b5257c95
JK		 2746}
2747
c5c4fe90
JK		 2748/*
2749 * workers, indication handlers, device poller
2750 */
0848e6c6 2751static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
bf164cc0 2752{
5c52323e 2753 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3d1ca47e 2754 struct ndis_80211_assoc_info *info = NULL;
0848e6c6 2755 u8 bssid[ETH_ALEN];
5c52323e
JK		 2756 int resp_ie_len, req_ie_len;
2757 u8 *req_ie, *resp_ie;
4364623c 2758 int ret, offset;
5c52323e 2759 bool roamed = false;
b5257c95 2760 bool match_bss;
bf164cc0 2761
5c52323e
JK		 2762 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2763 /* received media connect indication while connected, either
2764 * device reassociated with same AP or roamed to new. */
2765 roamed = true;
2766 }
0848e6c6 2767
5c52323e
JK		 2768 req_ie_len = 0;
2769 resp_ie_len = 0;
2770 req_ie = NULL;
2771 resp_ie = NULL;
2772
2773 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
3d1ca47e
JK		 2774 info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL);
2775 if (!info) {
2776 /* No memory? Try resume work later */
2777 set_bit(WORK_LINK_UP, &priv->work_pending);
2778 queue_work(priv->workqueue, &priv->work);
2779 return;
2780 }
5c52323e 2781
3d1ca47e
JK		 2782 /* Get association info IEs from device. */
2783 ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE);
5c52323e
JK		 2784 if (!ret) {
2785 req_ie_len = le32_to_cpu(info->req_ie_length);
2786 if (req_ie_len > 0) {
2787 offset = le32_to_cpu(info->offset_req_ies);
3d1ca47e
JK		 2788
2789 if (offset > CONTROL_BUFFER_SIZE)
2790 offset = CONTROL_BUFFER_SIZE;
2791
5c52323e 2792 req_ie = (u8 *)info + offset;
3d1ca47e
JK		 2793
2794 if (offset + req_ie_len > CONTROL_BUFFER_SIZE)
2795 req_ie_len =
2796 CONTROL_BUFFER_SIZE - offset;
5c52323e
JK		 2797 }
2798
2799 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2800 if (resp_ie_len > 0) {
2801 offset = le32_to_cpu(info->offset_resp_ies);
3d1ca47e
JK		 2802
2803 if (offset > CONTROL_BUFFER_SIZE)
2804 offset = CONTROL_BUFFER_SIZE;
2805
5c52323e 2806 resp_ie = (u8 *)info + offset;
3d1ca47e
JK		 2807
2808 if (offset + resp_ie_len > CONTROL_BUFFER_SIZE)
2809 resp_ie_len =
2810 CONTROL_BUFFER_SIZE - offset;
5c52323e 2811 }
b5257c95
JK		 2812 } else {
2813 /* Since rndis_wlan_craft_connected_bss() might use info
2814 * later and expects info to contain valid data if
2815 * non-null, free info and set NULL here.
2816 */
2817 kfree(info);
2818 info = NULL;
4364623c 2819 }
5c52323e
JK		 2820 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2821 return;
4364623c 2822
5c52323e
JK		 2823 ret = get_bssid(usbdev, bssid);
2824 if (ret < 0)
2825 memset(bssid, 0, sizeof(bssid));
7834ddbc 2826
60b86755
JP		 2827 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2828 bssid, roamed ? " roamed" : "");
bf164cc0 2829
b5257c95 2830 /* Internal bss list in device should contain at least the currently
5c52323e
JK		 2831 * connected bss and we can get it to cfg80211 with
2832 * rndis_check_bssid_list().
b5257c95
JK		 2833 *
2834 * NDIS spec says: "If the device is associated, but the associated
2835 * BSSID is not in its BSSID scan list, then the driver must add an
2836 * entry for the BSSID at the end of the data that it returns in
2837 * response to query of OID_802_11_BSSID_LIST."
2838 *
2839 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
5c52323e 2840 */
b5257c95
JK		 2841 match_bss = false;
2842 rndis_check_bssid_list(usbdev, bssid, &match_bss);
2843
2844 if (!is_zero_ether_addr(bssid) && !match_bss) {
2845 /* Couldn't get bss from device, we need to manually craft bss
2846 * for cfg80211.
2847 */
2848 rndis_wlan_craft_connected_bss(usbdev, bssid, info);
2849 }
5c52323e
JK		 2850
2851 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2852 if (!roamed)
2853 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2854 req_ie_len, resp_ie,
2855 resp_ie_len, 0, GFP_KERNEL);
2856 else
6f104a08
JK		 2857 cfg80211_roamed(usbdev->net,
2858 get_current_channel(usbdev, NULL),
2859 bssid, req_ie, req_ie_len,
5c52323e
JK		 2860 resp_ie, resp_ie_len, GFP_KERNEL);
2861 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2862 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2863
3d1ca47e
JK		 2864 if (info != NULL)
2865 kfree(info);
2866
5c52323e 2867 priv->connected = true;
8b89a288 2868 memcpy(priv->bssid, bssid, ETH_ALEN);
6010ce07 2869
0848e6c6 2870 usbnet_resume_rx(usbdev);
5c52323e 2871 netif_carrier_on(usbdev->net);
0848e6c6
JK		 2872}
2873
2874static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2875{
b6411fc2 2876 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
0848e6c6 2877
b6411fc2
JK		 2878 if (priv->connected) {
2879 priv->connected = false;
2880 memset(priv->bssid, 0, ETH_ALEN);
2881
2882 deauthenticate(usbdev);
0848e6c6 2883
b6411fc2
JK		 2884 cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL);
2885 }
2886
2887 netif_carrier_off(usbdev->net);
0848e6c6
JK		 2888}
2889
2890static void rndis_wlan_worker(struct work_struct *work)
2891{
2892 struct rndis_wlan_private *priv =
2893 container_of(work, struct rndis_wlan_private, work);
2894 struct usbnet *usbdev = priv->usbdev;
2895
2896 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2897 rndis_wlan_do_link_up_work(usbdev);
2898
2899 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2900 rndis_wlan_do_link_down_work(usbdev);
2901
bf164cc0
JK		 2902 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2903 set_multicast_list(usbdev);
2904}
2905
582241a0 2906static void rndis_wlan_set_multicast_list(struct net_device *dev)
bf164cc0 2907{
524ad0a7 2908 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2909 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2910
a67edb9e
JK		 2911 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2912 return;
2913
bf164cc0
JK		 2914 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2915 queue_work(priv->workqueue, &priv->work);
2916}
2917
030645ac
JK		 2918static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2919 struct ndis_80211_status_indication *indication,
2920 int len)
2921{
2922 u8 *buf;
2923 const char *type;
a0f9ce2a 2924 int flags, buflen, key_id;
030645ac
JK		 2925 bool pairwise_error, group_error;
2926 struct ndis_80211_auth_request *auth_req;
a0f9ce2a 2927 enum nl80211_key_type key_type;
030645ac
JK		 2928
2929 /* must have at least one array entry */
2930 if (len < offsetof(struct ndis_80211_status_indication, u) +
2931 sizeof(struct ndis_80211_auth_request)) {
60b86755
JP		 2932 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2933 len);
030645ac
JK		 2934 return;
2935 }
2936
2937 buf = (void *)&indication->u.auth_request[0];
2938 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2939
2940 while (buflen >= sizeof(*auth_req)) {
2941 auth_req = (void *)buf;
2942 type = "unknown";
2943 flags = le32_to_cpu(auth_req->flags);
2944 pairwise_error = false;
2945 group_error = false;
2946
2947 if (flags & 0x1)
2948 type = "reauth request";
2949 if (flags & 0x2)
2950 type = "key update request";
2951 if (flags & 0x6) {
2952 pairwise_error = true;
2953 type = "pairwise_error";
2954 }
2955 if (flags & 0xe) {
2956 group_error = true;
2957 type = "group_error";
2958 }
2959
60b86755
JP		 2960 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2961 type, le32_to_cpu(auth_req->flags));
030645ac 2962
a0f9ce2a
JK		 2963 if (pairwise_error) {
2964 key_type = NL80211_KEYTYPE_PAIRWISE;
2965 key_id = -1;
030645ac 2966
a0f9ce2a
JK		 2967 cfg80211_michael_mic_failure(usbdev->net,
2968 auth_req->bssid,
2969 key_type, key_id, NULL,
2970 GFP_KERNEL);
2971 }
030645ac 2972
a0f9ce2a
JK		 2973 if (group_error) {
2974 key_type = NL80211_KEYTYPE_GROUP;
2975 key_id = -1;
030645ac 2976
a0f9ce2a
JK		 2977 cfg80211_michael_mic_failure(usbdev->net,
2978 auth_req->bssid,
2979 key_type, key_id, NULL,
2980 GFP_KERNEL);
030645ac
JK		 2981 }
2982
2983 buflen -= le32_to_cpu(auth_req->length);
2984 buf += le32_to_cpu(auth_req->length);
2985 }
2986}
2987
2988static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2989 struct ndis_80211_status_indication *indication,
2990 int len)
2991{
2992 struct ndis_80211_pmkid_cand_list *cand_list;
2993 int list_len, expected_len, i;
2994
2995 if (len < offsetof(struct ndis_80211_status_indication, u) +
2996 sizeof(struct ndis_80211_pmkid_cand_list)) {
60b86755
JP		 2997 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
2998 len);
030645ac
JK		 2999 return;
3000 }
3001
3002 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
3003 sizeof(struct ndis_80211_pmkid_candidate);
3004 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
3005 offsetof(struct ndis_80211_status_indication, u);
3006
3007 if (len < expected_len) {
60b86755
JP		 3008 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
3009 len, expected_len);
030645ac
JK		 3010 return;
3011 }
3012
3013 cand_list = &indication->u.cand_list;
3014
60b86755
JP		 3015 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
3016 le32_to_cpu(cand_list->version),
3017 le32_to_cpu(cand_list->num_candidates));
030645ac
JK		 3018
3019 if (le32_to_cpu(cand_list->version) != 1)
3020 return;
3021
3022 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
030645ac
JK		 3023 struct ndis_80211_pmkid_candidate *cand =
3024 &cand_list->candidate_list[i];
3025
60b86755
JP		 3026 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, bssid: %pM\n",
3027 i, le32_to_cpu(cand->flags), cand->bssid);
030645ac 3028
21ec2d8d
JK		 3029#if 0
3030 struct iw_pmkid_cand pcand;
3031 union iwreq_data wrqu;
3032
030645ac
JK		 3033 memset(&pcand, 0, sizeof(pcand));
3034 if (le32_to_cpu(cand->flags) & 0x01)
3035 pcand.flags |= IW_PMKID_CAND_PREAUTH;
3036 pcand.index = i;
3037 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
3038
3039 memset(&wrqu, 0, sizeof(wrqu));
3040 wrqu.data.length = sizeof(pcand);
3041 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
3042 (u8 *)&pcand);
21ec2d8d 3043#endif
030645ac
JK		 3044 }
3045}
3046
3047static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
3048 struct rndis_indicate *msg, int buflen)
3049{
3050 struct ndis_80211_status_indication *indication;
3051 int len, offset;
3052
3053 offset = offsetof(struct rndis_indicate, status) +
3054 le32_to_cpu(msg->offset);
3055 len = le32_to_cpu(msg->length);
3056
3057 if (len < 8) {
60b86755
JP		 3058 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
3059 len);
030645ac
JK		 3060 return;
3061 }
3062
3063 if (offset + len > buflen) {
60b86755
JP		 3064 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
3065 offset + len, buflen);
030645ac
JK		 3066 return;
3067 }
3068
3069 indication = (void *)((u8 *)msg + offset);
3070
3071 switch (le32_to_cpu(indication->status_type)) {
3072 case NDIS_80211_STATUSTYPE_RADIOSTATE:
60b86755
JP		 3073 netdev_info(usbdev->net, "radio state indication: %i\n",
3074 le32_to_cpu(indication->u.radio_status));
030645ac
JK		 3075 return;
3076
3077 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
60b86755
JP		 3078 netdev_info(usbdev->net, "media stream mode indication: %i\n",
3079 le32_to_cpu(indication->u.media_stream_mode));
030645ac
JK		 3080 return;
3081
3082 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
3083 rndis_wlan_auth_indication(usbdev, indication, len);
3084 return;
3085
3086 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
3087 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
3088 return;
3089
3090 default:
60b86755
JP		 3091 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
3092 le32_to_cpu(indication->status_type));
030645ac
JK		 3093 }
3094}
3095
2a4901bc 3096static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
bf164cc0 3097{
582241a0 3098 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2a4901bc 3099 struct rndis_indicate *msg = ind;
bf164cc0 3100
2a4901bc
JK		 3101 switch (msg->status) {
3102 case RNDIS_STATUS_MEDIA_CONNECT:
5f81ff5a
JK		 3103 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
3104 /* OID_802_11_ADD_KEY causes sometimes extra
3105 * "media connect" indications which confuses driver
3106 * and userspace to think that device is
3107 * roaming/reassociating when it isn't.
3108 */
60b86755 3109 netdev_dbg(usbdev->net, "ignored OID_802_11_ADD_KEY triggered 'media connect'\n");
5f81ff5a
JK		 3110 return;
3111 }
3112
7834ddbc
JK		 3113 usbnet_pause_rx(usbdev);
3114
60b86755 3115 netdev_info(usbdev->net, "media connect\n");
2a4901bc 3116
030645ac 3117 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 3118 set_bit(WORK_LINK_UP, &priv->work_pending);
3119 queue_work(priv->workqueue, &priv->work);
3120 break;
3121
3122 case RNDIS_STATUS_MEDIA_DISCONNECT:
60b86755 3123 netdev_info(usbdev->net, "media disconnect\n");
2a4901bc 3124
030645ac 3125 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 3126 set_bit(WORK_LINK_DOWN, &priv->work_pending);
3127 queue_work(priv->workqueue, &priv->work);
3128 break;
3129
030645ac
JK		 3130 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
3131 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
3132 break;
3133
2a4901bc 3134 default:
60b86755
JP		 3135 netdev_info(usbdev->net, "indication: 0x%08x\n",
3136 le32_to_cpu(msg->status));
2a4901bc
JK		 3137 break;
3138 }
bf164cc0
JK		 3139}
3140
0308383f 3141static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
bf164cc0
JK		 3142{
3143 struct {
3144 __le32 num_items;
3145 __le32 items[8];
3146 } networks_supported;
0308383f
JK		 3147 struct ndis_80211_capability *caps;
3148 u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
bf164cc0 3149 int len, retval, i, n;
582241a0 3150 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 3151
bf164cc0
JK		 3152 /* determine supported modes */
3153 len = sizeof(networks_supported);
a19d7292 3154 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
bf164cc0
JK		 3155 &networks_supported, &len);
3156 if (retval >= 0) {
3157 n = le32_to_cpu(networks_supported.num_items);
3158 if (n > 8)
3159 n = 8;
3160 for (i = 0; i < n; i++) {
3161 switch (le32_to_cpu(networks_supported.items[i])) {
aa18294a
JK		 3162 case NDIS_80211_TYPE_FREQ_HOP:
3163 case NDIS_80211_TYPE_DIRECT_SEQ:
bf164cc0
JK		 3164 priv->caps |= CAP_MODE_80211B;
3165 break;
aa18294a 3166 case NDIS_80211_TYPE_OFDM_A:
bf164cc0
JK		 3167 priv->caps |= CAP_MODE_80211A;
3168 break;
aa18294a 3169 case NDIS_80211_TYPE_OFDM_G:
bf164cc0
JK		 3170 priv->caps |= CAP_MODE_80211G;
3171 break;
3172 }
3173 }
bf164cc0
JK		 3174 }
3175
0308383f
JK		 3176 /* get device 802.11 capabilities, number of PMKIDs */
3177 caps = (struct ndis_80211_capability *)caps_buf;
3178 len = sizeof(caps_buf);
3179 retval = rndis_query_oid(usbdev, OID_802_11_CAPABILITY, caps, &len);
3180 if (retval >= 0) {
3181 netdev_dbg(usbdev->net, "OID_802_11_CAPABILITY -> len %d, "
3182 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3183 le32_to_cpu(caps->length),
3184 le32_to_cpu(caps->version),
3185 le32_to_cpu(caps->num_pmkids),
3186 le32_to_cpu(caps->num_auth_encr_pair));
3187 wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
3188 } else
3189 wiphy->max_num_pmkids = 0;
3190
bf164cc0
JK		 3191 return retval;
3192}
3193
49b35bd3
JK		 3194static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi)
3195{
3196 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3197 enum nl80211_cqm_rssi_threshold_event event;
3198 int thold, hyst, last_event;
3199
3200 if (priv->cqm_rssi_thold >= 0 || rssi >= 0)
3201 return;
3202 if (priv->infra_mode != NDIS_80211_INFRA_INFRA)
3203 return;
3204
3205 last_event = priv->last_cqm_event_rssi;
3206 thold = priv->cqm_rssi_thold;
3207 hyst = priv->cqm_rssi_hyst;
3208
3209 if (rssi < thold && (last_event == 0 || rssi < last_event - hyst))
3210 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
3211 else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst))
3212 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
3213 else
3214 return;
3215
3216 priv->last_cqm_event_rssi = rssi;
3217 cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL);
3218}
3219
305e243e
JK		 3220#define DEVICE_POLLER_JIFFIES (HZ)
3221static void rndis_device_poller(struct work_struct *work)
bf164cc0 3222{
582241a0 3223 struct rndis_wlan_private *priv =
305e243e
JK		 3224 container_of(work, struct rndis_wlan_private,
3225 dev_poller_work.work);
bf164cc0 3226 struct usbnet *usbdev = priv->usbdev;
bf164cc0 3227 __le32 rssi, tmp;
a97b1f3d 3228 int len, ret, j;
305e243e 3229 int update_jiffies = DEVICE_POLLER_JIFFIES;
bf164cc0
JK		 3230 void *buf;
3231
8b89a288
JK		 3232 /* Only check/do workaround when connected. Calling is_associated()
3233 * also polls device with rndis_command() and catches for media link
3234 * indications.
3235 */
5cb56af2
JK		 3236 if (!is_associated(usbdev)) {
3237 /* Workaround bad scanning in BCM4320a devices with active
3238 * background scanning when not associated.
3239 */
3240 if (priv->device_type == RNDIS_BCM4320A && priv->radio_on &&
3241 !priv->scan_request) {
3242 /* Get previous scan results */
3243 rndis_check_bssid_list(usbdev, NULL, NULL);
3244
3245 /* Initiate new scan */
3246 rndis_start_bssid_list_scan(usbdev);
3247 }
3248
bf164cc0 3249 goto end;
5cb56af2 3250 }
bf164cc0
JK		 3251
3252 len = sizeof(rssi);
3253 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
49b35bd3 3254 if (ret == 0) {
8b89a288 3255 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
49b35bd3
JK		 3256 rndis_do_cqm(usbdev, le32_to_cpu(rssi));
3257 }
bf164cc0 3258
60b86755
JP		 3259 netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
3260 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
bf164cc0 3261
a97b1f3d
JK		 3262 /* Workaround transfer stalls on poor quality links.
3263 * TODO: find right way to fix these stalls (as stalls do not happen
3264 * with ndiswrapper/windows driver). */
77593ae2 3265 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
bf164cc0
JK		 3266 /* Decrease stats worker interval to catch stalls.
3267 * faster. Faster than 400-500ms causes packet loss,
3268 * Slower doesn't catch stalls fast enough.
3269 */
3270 j = msecs_to_jiffies(priv->param_workaround_interval);
305e243e
JK		 3271 if (j > DEVICE_POLLER_JIFFIES)
3272 j = DEVICE_POLLER_JIFFIES;
bf164cc0
JK		 3273 else if (j <= 0)
3274 j = 1;
3275 update_jiffies = j;
3276
3277 /* Send scan OID. Use of both OIDs is required to get device
3278 * working.
3279 */
35c26c2c 3280 tmp = cpu_to_le32(1);
bf164cc0
JK		 3281 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
3282 sizeof(tmp));
3283
3284 len = CONTROL_BUFFER_SIZE;
3285 buf = kmalloc(len, GFP_KERNEL);
3286 if (!buf)
3287 goto end;
3288
3289 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
3290 kfree(buf);
3291 }
bf164cc0 3292
305e243e 3293end:
bf164cc0
JK		 3294 if (update_jiffies >= HZ)
3295 update_jiffies = round_jiffies_relative(update_jiffies);
3296 else {
3297 j = round_jiffies_relative(update_jiffies);
3298 if (abs(j - update_jiffies) <= 10)
3299 update_jiffies = j;
3300 }
3301
305e243e
JK		 3302 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3303 update_jiffies);
bf164cc0
JK		 3304}
3305
c5c4fe90
JK		 3306/*
3307 * driver/device initialization
3308 */
5cb56af2 3309static void rndis_copy_module_params(struct usbnet *usbdev, int device_type)
bf164cc0 3310{
582241a0 3311 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 3312
5cb56af2
JK		 3313 priv->device_type = device_type;
3314
bf164cc0
JK		 3315 priv->param_country[0] = modparam_country[0];
3316 priv->param_country[1] = modparam_country[1];
3317 priv->param_country[2] = 0;
3318 priv->param_frameburst = modparam_frameburst;
3319 priv->param_afterburner = modparam_afterburner;
3320 priv->param_power_save = modparam_power_save;
3321 priv->param_power_output = modparam_power_output;
3322 priv->param_roamtrigger = modparam_roamtrigger;
3323 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 3324
3325 priv->param_country[0] = toupper(priv->param_country[0]);
3326 priv->param_country[1] = toupper(priv->param_country[1]);
3327 /* doesn't support EU as country code, use FI instead */
3328 if (!strcmp(priv->param_country, "EU"))
3329 strcpy(priv->param_country, "FI");
3330
3331 if (priv->param_power_save < 0)
3332 priv->param_power_save = 0;
3333 else if (priv->param_power_save > 2)
3334 priv->param_power_save = 2;
3335
a7624837
JK		 3336 if (priv->param_power_output < 0)
3337 priv->param_power_output = 0;
3338 else if (priv->param_power_output > 3)
3339 priv->param_power_output = 3;
3340
bf164cc0
JK		 3341 if (priv->param_roamtrigger < -80)
3342 priv->param_roamtrigger = -80;
3343 else if (priv->param_roamtrigger > -60)
3344 priv->param_roamtrigger = -60;
3345
3346 if (priv->param_roamdelta < 0)
3347 priv->param_roamdelta = 0;
3348 else if (priv->param_roamdelta > 2)
3349 priv->param_roamdelta = 2;
3350
4d381ffb 3351 if (modparam_workaround_interval < 0)
bf164cc0 3352 priv->param_workaround_interval = 500;
4d381ffb
RK		 3353 else
3354 priv->param_workaround_interval = modparam_workaround_interval;
cef6e912
JK		 3355}
3356
5cb56af2
JK		 3357static int unknown_early_init(struct usbnet *usbdev)
3358{
3359 /* copy module parameters for unknown so that iwconfig reports txpower
3360 * and workaround parameter is copied to private structure correctly.
3361 */
3362 rndis_copy_module_params(usbdev, RNDIS_UNKNOWN);
3363
3364 /* This is unknown device, so do not try set configuration parameters.
3365 */
3366
3367 return 0;
3368}
3369
cef6e912
JK		 3370static int bcm4320a_early_init(struct usbnet *usbdev)
3371{
6e850af5
JK		 3372 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3373 * and workaround parameter is copied to private structure correctly.
3374 */
5cb56af2 3375 rndis_copy_module_params(usbdev, RNDIS_BCM4320A);
6e850af5 3376
cef6e912
JK		 3377 /* bcm4320a doesn't handle configuration parameters well. Try
3378 * set any and you get partially zeroed mac and broken device.
3379 */
3380
3381 return 0;
3382}
3383
3384static int bcm4320b_early_init(struct usbnet *usbdev)
3385{
3386 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3387 char buf[8];
3388
5cb56af2 3389 rndis_copy_module_params(usbdev, RNDIS_BCM4320B);
cef6e912
JK		 3390
3391 /* Early initialization settings, setting these won't have effect
3392 * if called after generic_rndis_bind().
3393 */
bf164cc0 3394
a19d7292
JK		 3395 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3396 rndis_set_config_parameter_str(usbdev, "FrameBursting",
bf164cc0 3397 priv->param_frameburst ? "1" : "0");
a19d7292 3398 rndis_set_config_parameter_str(usbdev, "Afterburner",
bf164cc0
JK		 3399 priv->param_afterburner ? "1" : "0");
3400 sprintf(buf, "%d", priv->param_power_save);
a19d7292 3401 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
bf164cc0 3402 sprintf(buf, "%d", priv->param_power_output);
a19d7292 3403 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
bf164cc0 3404 sprintf(buf, "%d", priv->param_roamtrigger);
a19d7292 3405 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
bf164cc0 3406 sprintf(buf, "%d", priv->param_roamdelta);
a19d7292 3407 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
bf164cc0
JK		 3408
3409 return 0;
3410}
3411
23d12e2b 3412/* same as rndis_netdev_ops but with local multicast handler */
582241a0 3413static const struct net_device_ops rndis_wlan_netdev_ops = {
23d12e2b
DM		 3414 .ndo_open = usbnet_open,
3415 .ndo_stop = usbnet_stop,
3416 .ndo_start_xmit = usbnet_start_xmit,
3417 .ndo_tx_timeout = usbnet_tx_timeout,
3418 .ndo_set_mac_address = eth_mac_addr,
3419 .ndo_validate_addr = eth_validate_addr,
afc4b13d 3420 .ndo_set_rx_mode = rndis_wlan_set_multicast_list,
23d12e2b
DM		 3421};
3422
582241a0 3423static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3424{
5c8fa4f7 3425 struct wiphy *wiphy;
582241a0 3426 struct rndis_wlan_private *priv;
bf164cc0
JK		 3427 int retval, len;
3428 __le32 tmp;
3429
5c8fa4f7
JL		 3430 /* allocate wiphy and rndis private data
3431 * NOTE: We only support a single virtual interface, so wiphy
3432 * and wireless_dev are somewhat synonymous for this device.
3433 */
582241a0 3434 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
5c8fa4f7 3435 if (!wiphy)
bf164cc0
JK		 3436 return -ENOMEM;
3437
5c8fa4f7
JL		 3438 priv = wiphy_priv(wiphy);
3439 usbdev->net->ieee80211_ptr = &priv->wdev;
3440 priv->wdev.wiphy = wiphy;
3441 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3442
bf164cc0 3443 /* These have to be initialized before calling generic_rndis_bind().
582241a0 3444 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
bf164cc0 3445 */
a19d7292 3446 usbdev->driver_priv = priv;
a19d7292 3447 priv->usbdev = usbdev;
bf164cc0
JK		 3448
3449 mutex_init(&priv->command_lock);
bf164cc0 3450
8d4d99ae
JK		 3451 /* because rndis_command() sleeps we need to use workqueue */
3452 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
582241a0 3453 INIT_WORK(&priv->work, rndis_wlan_worker);
305e243e 3454 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
8d4d99ae
JK		 3455 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3456
bf164cc0 3457 /* try bind rndis_host */
a19d7292 3458 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
bf164cc0
JK		 3459 if (retval < 0)
3460 goto fail;
3461
3462 /* generic_rndis_bind set packet filter to multicast_all+
3463 * promisc mode which doesn't work well for our devices (device
3464 * picks up rssi to closest station instead of to access point).
3465 *
3466 * rndis_host wants to avoid all OID as much as possible
582241a0 3467 * so do promisc/multicast handling in rndis_wlan.
bf164cc0 3468 */
582241a0 3469 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
23d12e2b 3470
bf164cc0 3471 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
a19d7292 3472 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
bf164cc0
JK		 3473 sizeof(tmp));
3474
3475 len = sizeof(tmp);
a19d7292
JK		 3476 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
3477 &len);
bf164cc0
JK		 3478 priv->multicast_size = le32_to_cpu(tmp);
3479 if (retval < 0 || priv->multicast_size < 0)
3480 priv->multicast_size = 0;
3481 if (priv->multicast_size > 0)
a19d7292 3482 usbdev->net->flags |= IFF_MULTICAST;
bf164cc0 3483 else
a19d7292 3484 usbdev->net->flags &= ~IFF_MULTICAST;
bf164cc0 3485
5c8fa4f7
JL		 3486 /* fill-out wiphy structure and register w/ cfg80211 */
3487 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3488 wiphy->privid = rndis_wiphy_privid;
3489 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3490 | BIT(NL80211_IFTYPE_ADHOC);
3491 wiphy->max_scan_ssids = 1;
3492
4a7f13ee 3493 /* TODO: fill-out band/encr information based on priv->caps */
0308383f 3494 rndis_wlan_get_caps(usbdev, wiphy);
5c8fa4f7
JL		 3495
3496 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3497 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3498 priv->band.channels = priv->channels;
3499 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3500 priv->band.bitrates = priv->rates;
3501 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
3502 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
4d2a369e 3503 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
5c8fa4f7 3504
4a7f13ee
JK		 3505 memcpy(priv->cipher_suites, rndis_cipher_suites,
3506 sizeof(rndis_cipher_suites));
3507 wiphy->cipher_suites = priv->cipher_suites;
3508 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3509
5c8fa4f7
JL		 3510 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3511
3512 if (wiphy_register(wiphy)) {
eb1a685e
JK		 3513 retval = -ENODEV;
3514 goto fail;
5c8fa4f7
JL		 3515 }
3516
a19d7292 3517 set_default_iw_params(usbdev);
bf164cc0 3518
40d70dd1
JK		 3519 priv->power_mode = -1;
3520
d75ec2b7
JK		 3521 /* set default rts/frag */
3522 rndis_set_wiphy_params(wiphy,
3523 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3524
21b27bec
JK		 3525 /* turn radio off on init */
3526 priv->radio_on = false;
3527 disassociate(usbdev, false);
a19d7292 3528 netif_carrier_off(usbdev->net);
bf164cc0 3529
bf164cc0
JK		 3530 return 0;
3531
3532fail:
305e243e 3533 cancel_delayed_work_sync(&priv->dev_poller_work);
8d4d99ae
JK		 3534 cancel_delayed_work_sync(&priv->scan_work);
3535 cancel_work_sync(&priv->work);
3536 flush_workqueue(priv->workqueue);
3537 destroy_workqueue(priv->workqueue);
3538
eb1a685e 3539 wiphy_free(wiphy);
bf164cc0
JK		 3540 return retval;
3541}
3542
582241a0 3543static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3544{
582241a0 3545 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 3546
3547 /* turn radio off */
051ae0bf 3548 disassociate(usbdev, false);
bf164cc0 3549
305e243e 3550 cancel_delayed_work_sync(&priv->dev_poller_work);
71a7b26d 3551 cancel_delayed_work_sync(&priv->scan_work);
bf164cc0
JK		 3552 cancel_work_sync(&priv->work);
3553 flush_workqueue(priv->workqueue);
3554 destroy_workqueue(priv->workqueue);
3555
a19d7292 3556 rndis_unbind(usbdev, intf);
5c8fa4f7
JL		 3557
3558 wiphy_unregister(priv->wdev.wiphy);
3559 wiphy_free(priv->wdev.wiphy);
bf164cc0
JK		 3560}
3561
582241a0 3562static int rndis_wlan_reset(struct usbnet *usbdev)
bf164cc0 3563{
110736de 3564 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
7eaab708 3565 int retval;
110736de 3566
60b86755 3567 netdev_dbg(usbdev->net, "%s()\n", __func__);
110736de 3568
7eaab708
JK		 3569 retval = rndis_reset(usbdev);
3570 if (retval)
60b86755 3571 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
7eaab708 3572
e5a11a82
JK		 3573 /* rndis_reset cleared multicast list, so restore here.
3574 (set_multicast_list() also turns on current packet filter) */
7eaab708
JK		 3575 set_multicast_list(usbdev);
3576
305e243e
JK		 3577 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3578 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
110736de 3579
a19d7292 3580 return deauthenticate(usbdev);
bf164cc0
JK		 3581}
3582
222ec50a
JK		 3583static int rndis_wlan_stop(struct usbnet *usbdev)
3584{
110736de
JK		 3585 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3586 int retval;
e5a11a82 3587 __le32 filter;
110736de 3588
60b86755 3589 netdev_dbg(usbdev->net, "%s()\n", __func__);
110736de 3590
051ae0bf 3591 retval = disassociate(usbdev, false);
110736de
JK		 3592
3593 priv->work_pending = 0;
305e243e 3594 cancel_delayed_work_sync(&priv->dev_poller_work);
110736de
JK		 3595 cancel_delayed_work_sync(&priv->scan_work);
3596 cancel_work_sync(&priv->work);
3597 flush_workqueue(priv->workqueue);
3598
005ba2f1
JK		 3599 if (priv->scan_request) {
3600 cfg80211_scan_done(priv->scan_request, true);
3601 priv->scan_request = NULL;
3602 }
3603
e5a11a82
JK		 3604 /* Set current packet filter zero to block receiving data packets from
3605 device. */
3606 filter = 0;
3607 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3608 sizeof(filter));
3609
110736de 3610 return retval;
222ec50a
JK		 3611}
3612
bf164cc0
JK		 3613static const struct driver_info bcm4320b_info = {
3614 .description = "Wireless RNDIS device, BCM4320b based",
1487cd5e
JK		 3615 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3616 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3617 .bind = rndis_wlan_bind,
3618 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3619 .status = rndis_status,
3620 .rx_fixup = rndis_rx_fixup,
3621 .tx_fixup = rndis_tx_fixup,
582241a0 3622 .reset = rndis_wlan_reset,
222ec50a 3623 .stop = rndis_wlan_stop,
59620e9f 3624 .early_init = bcm4320b_early_init,
2a4901bc 3625 .indication = rndis_wlan_indication,
bf164cc0
JK		 3626};
3627
3628static const struct driver_info bcm4320a_info = {
3629 .description = "Wireless RNDIS device, BCM4320a based",
1487cd5e
JK		 3630 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3631 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3632 .bind = rndis_wlan_bind,
3633 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3634 .status = rndis_status,
3635 .rx_fixup = rndis_rx_fixup,
3636 .tx_fixup = rndis_tx_fixup,
582241a0 3637 .reset = rndis_wlan_reset,
222ec50a 3638 .stop = rndis_wlan_stop,
59620e9f 3639 .early_init = bcm4320a_early_init,
2a4901bc 3640 .indication = rndis_wlan_indication,
bf164cc0
JK		 3641};
3642
582241a0 3643static const struct driver_info rndis_wlan_info = {
bf164cc0 3644 .description = "Wireless RNDIS device",
1487cd5e
JK		 3645 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3646 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3647 .bind = rndis_wlan_bind,
3648 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3649 .status = rndis_status,
3650 .rx_fixup = rndis_rx_fixup,
3651 .tx_fixup = rndis_tx_fixup,
582241a0 3652 .reset = rndis_wlan_reset,
222ec50a 3653 .stop = rndis_wlan_stop,
5cb56af2 3654 .early_init = unknown_early_init,
2a4901bc 3655 .indication = rndis_wlan_indication,
bf164cc0
JK		 3656};
3657
3658/*-------------------------------------------------------------------------*/
3659
3660static const struct usb_device_id products [] = {
3661#define RNDIS_MASTER_INTERFACE \
3662 .bInterfaceClass = USB_CLASS_COMM, \
3663 .bInterfaceSubClass = 2 /* ACM */, \
3664 .bInterfaceProtocol = 0x0ff
3665
3666/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3667 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3668 */
3669{
3670 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3671 | USB_DEVICE_ID_MATCH_DEVICE,
3672 .idVendor = 0x0411,
3673 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3674 RNDIS_MASTER_INTERFACE,
3675 .driver_info = (unsigned long) &bcm4320b_info,
3676}, {
3677 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3678 | USB_DEVICE_ID_MATCH_DEVICE,
3679 .idVendor = 0x0baf,
3680 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3681 RNDIS_MASTER_INTERFACE,
3682 .driver_info = (unsigned long) &bcm4320b_info,
3683}, {
3684 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3685 | USB_DEVICE_ID_MATCH_DEVICE,
3686 .idVendor = 0x050d,
3687 .idProduct = 0x011b, /* Belkin F5D7051 */
3688 RNDIS_MASTER_INTERFACE,
3689 .driver_info = (unsigned long) &bcm4320b_info,
3690}, {
3691 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3692 | USB_DEVICE_ID_MATCH_DEVICE,
3693 .idVendor = 0x1799, /* Belkin has two vendor ids */
3694 .idProduct = 0x011b, /* Belkin F5D7051 */
3695 RNDIS_MASTER_INTERFACE,
3696 .driver_info = (unsigned long) &bcm4320b_info,
3697}, {
3698 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3699 | USB_DEVICE_ID_MATCH_DEVICE,
3700 .idVendor = 0x13b1,
3701 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3702 RNDIS_MASTER_INTERFACE,
3703 .driver_info = (unsigned long) &bcm4320b_info,
3704}, {
3705 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3706 | USB_DEVICE_ID_MATCH_DEVICE,
3707 .idVendor = 0x13b1,
3708 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3709 RNDIS_MASTER_INTERFACE,
3710 .driver_info = (unsigned long) &bcm4320b_info,
3711}, {
3712 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3713 | USB_DEVICE_ID_MATCH_DEVICE,
3714 .idVendor = 0x0b05,
3715 .idProduct = 0x1717, /* Asus WL169gE */
3716 RNDIS_MASTER_INTERFACE,
3717 .driver_info = (unsigned long) &bcm4320b_info,
3718}, {
3719 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3720 | USB_DEVICE_ID_MATCH_DEVICE,
3721 .idVendor = 0x0a5c,
3722 .idProduct = 0xd11b, /* Eminent EM4045 */
3723 RNDIS_MASTER_INTERFACE,
3724 .driver_info = (unsigned long) &bcm4320b_info,
3725}, {
3726 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3727 | USB_DEVICE_ID_MATCH_DEVICE,
3728 .idVendor = 0x1690,
3729 .idProduct = 0x0715, /* BT Voyager 1055 */
3730 RNDIS_MASTER_INTERFACE,
3731 .driver_info = (unsigned long) &bcm4320b_info,
3732},
3733/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3734 * parameters available, hardware probably contain older firmware version with
3735 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3736 */
3737{
3738 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3739 | USB_DEVICE_ID_MATCH_DEVICE,
3740 .idVendor = 0x13b1,
3741 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3742 RNDIS_MASTER_INTERFACE,
3743 .driver_info = (unsigned long) &bcm4320a_info,
3744}, {
3745 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3746 | USB_DEVICE_ID_MATCH_DEVICE,
3747 .idVendor = 0x0baf,
3748 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3749 RNDIS_MASTER_INTERFACE,
3750 .driver_info = (unsigned long) &bcm4320a_info,
3751}, {
3752 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3753 | USB_DEVICE_ID_MATCH_DEVICE,
3754 .idVendor = 0x0411,
3755 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3756 RNDIS_MASTER_INTERFACE,
3757 .driver_info = (unsigned long) &bcm4320a_info,
3758},
3759/* Generic Wireless RNDIS devices that we don't have exact
3760 * idVendor/idProduct/chip yet.
3761 */
3762{
3763 /* RNDIS is MSFT's un-official variant of CDC ACM */
3764 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
582241a0 3765 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3766}, {
3767 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3768 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
582241a0 3769 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3770},
3771 { }, // END
3772};
3773MODULE_DEVICE_TABLE(usb, products);
3774
3775static struct usb_driver rndis_wlan_driver = {
3776 .name = "rndis_wlan",
3777 .id_table = products,
3778 .probe = usbnet_probe,
3779 .disconnect = usbnet_disconnect,
3780 .suspend = usbnet_suspend,
3781 .resume = usbnet_resume,
3782};
3783
3784static int __init rndis_wlan_init(void)
3785{
3786 return usb_register(&rndis_wlan_driver);
3787}
3788module_init(rndis_wlan_init);
3789
3790static void __exit rndis_wlan_exit(void)
3791{
3792 usb_deregister(&rndis_wlan_driver);
3793}
3794module_exit(rndis_wlan_exit);
3795
3796MODULE_AUTHOR("Bjorge Dijkstra");
3797MODULE_AUTHOR("Jussi Kivilinna");
3798MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3799MODULE_LICENSE("GPL");
3800
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