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Merge branch 'ebt_config_compat_v4' of git://git.breakpoint.cc/fw/nf-next-2.6
[net-next-2.6.git] / drivers / net / wireless / rndis_wlan.c
CommitLineData
bf164cc0
JK		 1/*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
9656e85b 5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
bf164cc0
JK		 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
24 */
25
26// #define DEBUG // error path messages, extra info
27// #define VERBOSE // more; success messages
28
29#include <linux/module.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/ethtool.h>
34#include <linux/workqueue.h>
35#include <linux/mutex.h>
36#include <linux/mii.h>
37#include <linux/usb.h>
38#include <linux/usb/cdc.h>
39#include <linux/wireless.h>
2c706002 40#include <linux/ieee80211.h>
bf164cc0
JK		 41#include <linux/if_arp.h>
42#include <linux/ctype.h>
43#include <linux/spinlock.h>
44#include <net/iw_handler.h>
5c8fa4f7 45#include <net/cfg80211.h>
bf164cc0
JK		 46#include <linux/usb/usbnet.h>
47#include <linux/usb/rndis_host.h>
48
49
50/* NOTE: All these are settings for Broadcom chipset */
51static char modparam_country[4] = "EU";
52module_param_string(country, modparam_country, 4, 0444);
53MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
54
55static int modparam_frameburst = 1;
56module_param_named(frameburst, modparam_frameburst, int, 0444);
57MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
58
59static int modparam_afterburner = 0;
60module_param_named(afterburner, modparam_afterburner, int, 0444);
61MODULE_PARM_DESC(afterburner,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
63
64static int modparam_power_save = 0;
65module_param_named(power_save, modparam_power_save, int, 0444);
66MODULE_PARM_DESC(power_save,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
68
69static int modparam_power_output = 3;
70module_param_named(power_output, modparam_power_output, int, 0444);
71MODULE_PARM_DESC(power_output,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
73
74static int modparam_roamtrigger = -70;
75module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
76MODULE_PARM_DESC(roamtrigger,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
79
80static int modparam_roamdelta = 1;
81module_param_named(roamdelta, modparam_roamdelta, int, 0444);
82MODULE_PARM_DESC(roamdelta,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
85
77593ae2 86static int modparam_workaround_interval;
bf164cc0
JK		 87module_param_named(workaround_interval, modparam_workaround_interval,
88 int, 0444);
89MODULE_PARM_DESC(workaround_interval,
77593ae2 90 "set stall workaround interval in msecs (0=disabled) (default: 0)");
bf164cc0
JK		 91
92
93/* various RNDIS OID defs */
35c26c2c
HH		 94#define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
95#define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
96
97#define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
98#define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
99#define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
100#define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
101#define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
102
35c26c2c
HH		 103#define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
104#define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
105#define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
106
107#define OID_802_11_BSSID cpu_to_le32(0x0d010101)
108#define OID_802_11_SSID cpu_to_le32(0x0d010102)
109#define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
110#define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
111#define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
112#define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
113#define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
114#define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
115#define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
116#define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
117#define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
118#define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
119#define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
120#define OID_802_11_PMKID cpu_to_le32(0x0d010123)
121#define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
122#define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
123#define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
124#define OID_802_11_RSSI cpu_to_le32(0x0d010206)
125#define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
126#define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
127#define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
128#define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
129#define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
130#define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
bf164cc0
JK		 131
132
133/* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
134#define WL_NOISE -96 /* typical noise level in dBm */
135#define WL_SIGMAX -32 /* typical maximum signal level in dBm */
136
137
138/* Assume that Broadcom 4320 (only chipset at time of writing known to be
139 * based on wireless rndis) has default txpower of 13dBm.
140 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
222ec50a
JK		 141 * 100% : 20 mW ~ 13dBm
142 * 75% : 15 mW ~ 12dBm
143 * 50% : 10 mW ~ 10dBm
144 * 25% : 5 mW ~ 7dBm
bf164cc0 145 */
222ec50a
JK		 146#define BCM4320_DEFAULT_TXPOWER_DBM_100 13
147#define BCM4320_DEFAULT_TXPOWER_DBM_75 12
148#define BCM4320_DEFAULT_TXPOWER_DBM_50 10
149#define BCM4320_DEFAULT_TXPOWER_DBM_25 7
bf164cc0
JK		 150
151
152/* codes for "status" field of completion messages */
35c26c2c
HH		 153#define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
154#define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
bf164cc0
JK		 155
156
157/* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
158 * slightly modified for datatype endianess, etc
159 */
160#define NDIS_802_11_LENGTH_SSID 32
161#define NDIS_802_11_LENGTH_RATES 8
162#define NDIS_802_11_LENGTH_RATES_EX 16
163
1e41e1d2 164enum ndis_80211_net_type {
aa18294a
JK		 165 NDIS_80211_TYPE_FREQ_HOP,
166 NDIS_80211_TYPE_DIRECT_SEQ,
167 NDIS_80211_TYPE_OFDM_A,
168 NDIS_80211_TYPE_OFDM_G
1e41e1d2
JK		 169};
170
171enum ndis_80211_net_infra {
aa18294a
JK		 172 NDIS_80211_INFRA_ADHOC,
173 NDIS_80211_INFRA_INFRA,
174 NDIS_80211_INFRA_AUTO_UNKNOWN
1e41e1d2
JK		 175};
176
177enum ndis_80211_auth_mode {
aa18294a
JK		 178 NDIS_80211_AUTH_OPEN,
179 NDIS_80211_AUTH_SHARED,
180 NDIS_80211_AUTH_AUTO_SWITCH,
181 NDIS_80211_AUTH_WPA,
182 NDIS_80211_AUTH_WPA_PSK,
183 NDIS_80211_AUTH_WPA_NONE,
184 NDIS_80211_AUTH_WPA2,
185 NDIS_80211_AUTH_WPA2_PSK
1e41e1d2
JK		 186};
187
188enum ndis_80211_encr_status {
aa18294a
JK		 189 NDIS_80211_ENCR_WEP_ENABLED,
190 NDIS_80211_ENCR_DISABLED,
191 NDIS_80211_ENCR_WEP_KEY_ABSENT,
192 NDIS_80211_ENCR_NOT_SUPPORTED,
193 NDIS_80211_ENCR_TKIP_ENABLED,
194 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
195 NDIS_80211_ENCR_CCMP_ENABLED,
196 NDIS_80211_ENCR_CCMP_KEY_ABSENT
1e41e1d2
JK		 197};
198
199enum ndis_80211_priv_filter {
aa18294a
JK		 200 NDIS_80211_PRIV_ACCEPT_ALL,
201 NDIS_80211_PRIV_8021X_WEP
1e41e1d2
JK		 202};
203
030645ac
JK		 204enum ndis_80211_status_type {
205 NDIS_80211_STATUSTYPE_AUTHENTICATION,
206 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
207 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
208 NDIS_80211_STATUSTYPE_RADIOSTATE,
209};
210
211enum ndis_80211_media_stream_mode {
212 NDIS_80211_MEDIA_STREAM_OFF,
213 NDIS_80211_MEDIA_STREAM_ON
214};
215
216enum ndis_80211_radio_status {
217 NDIS_80211_RADIO_STATUS_ON,
218 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
219 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
220};
221
b4703a2e 222enum ndis_80211_addkey_bits {
aa18294a
JK		 223 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
224 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
225 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
226 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 227};
228
229enum ndis_80211_addwep_bits {
aa18294a
JK		 230 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
231 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 232};
233
030645ac
JK		 234struct ndis_80211_auth_request {
235 __le32 length;
236 u8 bssid[6];
237 u8 padding[2];
238 __le32 flags;
239} __attribute__((packed));
240
241struct ndis_80211_pmkid_candidate {
242 u8 bssid[6];
243 u8 padding[2];
244 __le32 flags;
245} __attribute__((packed));
246
247struct ndis_80211_pmkid_cand_list {
248 __le32 version;
249 __le32 num_candidates;
250 struct ndis_80211_pmkid_candidate candidate_list[0];
251} __attribute__((packed));
252
253struct ndis_80211_status_indication {
254 __le32 status_type;
255 union {
53d27eaf
JK		 256 __le32 media_stream_mode;
257 __le32 radio_status;
030645ac
JK		 258 struct ndis_80211_auth_request auth_request[0];
259 struct ndis_80211_pmkid_cand_list cand_list;
260 } u;
261} __attribute__((packed));
262
1e41e1d2 263struct ndis_80211_ssid {
461b3f2a
JK		 264 __le32 length;
265 u8 essid[NDIS_802_11_LENGTH_SSID];
bf164cc0
JK		 266} __attribute__((packed));
267
1e41e1d2 268struct ndis_80211_conf_freq_hop {
461b3f2a
JK		 269 __le32 length;
270 __le32 hop_pattern;
271 __le32 hop_set;
272 __le32 dwell_time;
bf164cc0
JK		 273} __attribute__((packed));
274
1e41e1d2 275struct ndis_80211_conf {
461b3f2a
JK		 276 __le32 length;
277 __le32 beacon_period;
278 __le32 atim_window;
279 __le32 ds_config;
280 struct ndis_80211_conf_freq_hop fh_config;
bf164cc0
JK		 281} __attribute__((packed));
282
1e41e1d2 283struct ndis_80211_bssid_ex {
461b3f2a
JK		 284 __le32 length;
285 u8 mac[6];
286 u8 padding[2];
287 struct ndis_80211_ssid ssid;
288 __le32 privacy;
289 __le32 rssi;
290 __le32 net_type;
291 struct ndis_80211_conf config;
292 __le32 net_infra;
293 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
294 __le32 ie_length;
295 u8 ies[0];
bf164cc0
JK		 296} __attribute__((packed));
297
1e41e1d2 298struct ndis_80211_bssid_list_ex {
461b3f2a
JK		 299 __le32 num_items;
300 struct ndis_80211_bssid_ex bssid[0];
bf164cc0
JK		 301} __attribute__((packed));
302
1e41e1d2 303struct ndis_80211_fixed_ies {
461b3f2a
JK		 304 u8 timestamp[8];
305 __le16 beacon_interval;
306 __le16 capabilities;
bf164cc0
JK		 307} __attribute__((packed));
308
1e41e1d2 309struct ndis_80211_wep_key {
461b3f2a
JK		 310 __le32 size;
311 __le32 index;
312 __le32 length;
313 u8 material[32];
bf164cc0
JK		 314} __attribute__((packed));
315
1e41e1d2 316struct ndis_80211_key {
461b3f2a
JK		 317 __le32 size;
318 __le32 index;
319 __le32 length;
320 u8 bssid[6];
321 u8 padding[6];
322 u8 rsc[8];
323 u8 material[32];
bf164cc0
JK		 324} __attribute__((packed));
325
1e41e1d2 326struct ndis_80211_remove_key {
461b3f2a
JK		 327 __le32 size;
328 __le32 index;
329 u8 bssid[6];
9d40934e 330 u8 padding[2];
bf164cc0
JK		 331} __attribute__((packed));
332
1e41e1d2 333struct ndis_config_param {
461b3f2a
JK		 334 __le32 name_offs;
335 __le32 name_length;
336 __le32 type;
337 __le32 value_offs;
338 __le32 value_length;
bf164cc0
JK		 339} __attribute__((packed));
340
4364623c
SA		 341struct ndis_80211_assoc_info {
342 __le32 length;
343 __le16 req_ies;
344 struct req_ie {
345 __le16 capa;
346 __le16 listen_interval;
347 u8 cur_ap_address[6];
348 } req_ie;
349 __le32 req_ie_length;
350 __le32 offset_req_ies;
351 __le16 resp_ies;
352 struct resp_ie {
353 __le16 capa;
354 __le16 status_code;
355 __le16 assoc_id;
356 } resp_ie;
357 __le32 resp_ie_length;
358 __le32 offset_resp_ies;
359} __attribute__((packed));
360
bf164cc0
JK		 361/*
362 * private data
363 */
364#define NET_TYPE_11FB 0
365
366#define CAP_MODE_80211A 1
367#define CAP_MODE_80211B 2
368#define CAP_MODE_80211G 4
369#define CAP_MODE_MASK 7
bf164cc0 370
6010ce07
JK		 371#define WORK_LINK_UP (1<<0)
372#define WORK_LINK_DOWN (1<<1)
373#define WORK_SET_MULTICAST_LIST (1<<2)
bf164cc0 374
5c52323e
JK		 375#define RNDIS_WLAN_ALG_NONE 0
376#define RNDIS_WLAN_ALG_WEP (1<<0)
377#define RNDIS_WLAN_ALG_TKIP (1<<1)
378#define RNDIS_WLAN_ALG_CCMP (1<<2)
379
380#define RNDIS_WLAN_KEY_MGMT_NONE 0
381#define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
382#define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
383
90d07349
JK		 384#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
385
5c8fa4f7
JL		 386static const struct ieee80211_channel rndis_channels[] = {
387 { .center_freq = 2412 },
388 { .center_freq = 2417 },
389 { .center_freq = 2422 },
390 { .center_freq = 2427 },
391 { .center_freq = 2432 },
392 { .center_freq = 2437 },
393 { .center_freq = 2442 },
394 { .center_freq = 2447 },
395 { .center_freq = 2452 },
396 { .center_freq = 2457 },
397 { .center_freq = 2462 },
398 { .center_freq = 2467 },
399 { .center_freq = 2472 },
400 { .center_freq = 2484 },
401};
402
403static const struct ieee80211_rate rndis_rates[] = {
404 { .bitrate = 10 },
405 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
406 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
407 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
408 { .bitrate = 60 },
409 { .bitrate = 90 },
410 { .bitrate = 120 },
411 { .bitrate = 180 },
412 { .bitrate = 240 },
413 { .bitrate = 360 },
414 { .bitrate = 480 },
415 { .bitrate = 540 }
416};
417
4a7f13ee
JK		 418static const u32 rndis_cipher_suites[] = {
419 WLAN_CIPHER_SUITE_WEP40,
420 WLAN_CIPHER_SUITE_WEP104,
421 WLAN_CIPHER_SUITE_TKIP,
422 WLAN_CIPHER_SUITE_CCMP,
423};
424
b7cfc5b3
JK		 425struct rndis_wlan_encr_key {
426 int len;
84bf8400 427 u32 cipher;
b7cfc5b3
JK		 428 u8 material[32];
429 u8 bssid[ETH_ALEN];
430 bool pairwise;
431 bool tx_key;
432};
433
bf164cc0 434/* RNDIS device private data */
582241a0 435struct rndis_wlan_private {
bf164cc0
JK		 436 struct usbnet *usbdev;
437
5c8fa4f7
JL		 438 struct wireless_dev wdev;
439
71a7b26d
JK		 440 struct cfg80211_scan_request *scan_request;
441
bf164cc0 442 struct workqueue_struct *workqueue;
305e243e 443 struct delayed_work dev_poller_work;
71a7b26d 444 struct delayed_work scan_work;
bf164cc0
JK		 445 struct work_struct work;
446 struct mutex command_lock;
bf164cc0 447 unsigned long work_pending;
8b89a288 448 int last_qual;
bf164cc0 449
5c8fa4f7
JL		 450 struct ieee80211_supported_band band;
451 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
452 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
4a7f13ee 453 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
5c8fa4f7 454
bf164cc0
JK		 455 int caps;
456 int multicast_size;
457
458 /* module parameters */
459 char param_country[4];
460 int param_frameburst;
461 int param_afterburner;
462 int param_power_save;
463 int param_power_output;
464 int param_roamtrigger;
465 int param_roamdelta;
466 u32 param_workaround_interval;
467
468 /* hardware state */
051ae0bf 469 bool radio_on;
bf164cc0 470 int infra_mode;
5c52323e 471 bool connected;
8b89a288 472 u8 bssid[ETH_ALEN];
1e41e1d2 473 struct ndis_80211_ssid essid;
5f81ff5a 474 __le32 current_command_oid;
bf164cc0
JK		 475
476 /* encryption stuff */
477 int encr_tx_key_index;
b7cfc5b3 478 struct rndis_wlan_encr_key encr_keys[4];
5c52323e 479 enum nl80211_auth_type wpa_auth_type;
bf164cc0
JK		 480 int wpa_version;
481 int wpa_keymgmt;
bf164cc0
JK		 482 int wpa_ie_len;
483 u8 *wpa_ie;
484 int wpa_cipher_pair;
485 int wpa_cipher_group;
90d07349
JK		 486
487 u8 command_buffer[COMMAND_BUFFER_SIZE];
bf164cc0
JK		 488};
489
964c1d41
JL		 490/*
491 * cfg80211 ops
492 */
e36d56b6
JB		 493static int rndis_change_virtual_intf(struct wiphy *wiphy,
494 struct net_device *dev,
964c1d41
JL		 495 enum nl80211_iftype type, u32 *flags,
496 struct vif_params *params);
497
71a7b26d
JK		 498static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
499 struct cfg80211_scan_request *request);
500
d75ec2b7
JK		 501static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
502
222ec50a
JK		 503static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
504 int dbm);
505static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
506
5c52323e
JK		 507static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
508 struct cfg80211_connect_params *sme);
509
510static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
511 u16 reason_code);
512
513static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
514 struct cfg80211_ibss_params *params);
515
516static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
517
5554adbe
JK		 518static int rndis_set_channel(struct wiphy *wiphy,
519 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
520
84bf8400
JK		 521static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
522 u8 key_index, const u8 *mac_addr,
523 struct key_params *params);
524
525static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
526 u8 key_index, const u8 *mac_addr);
527
528static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
529 u8 key_index);
530
8b89a288
JK		 531static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
532 u8 *mac, struct station_info *sinfo);
533
d695df90
JK		 534static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
535 int idx, u8 *mac, struct station_info *sinfo);
536
caa6dfad 537static struct cfg80211_ops rndis_config_ops = {
964c1d41 538 .change_virtual_intf = rndis_change_virtual_intf,
71a7b26d 539 .scan = rndis_scan,
d75ec2b7 540 .set_wiphy_params = rndis_set_wiphy_params,
222ec50a
JK		 541 .set_tx_power = rndis_set_tx_power,
542 .get_tx_power = rndis_get_tx_power,
5c52323e
JK		 543 .connect = rndis_connect,
544 .disconnect = rndis_disconnect,
545 .join_ibss = rndis_join_ibss,
546 .leave_ibss = rndis_leave_ibss,
5554adbe 547 .set_channel = rndis_set_channel,
84bf8400
JK		 548 .add_key = rndis_add_key,
549 .del_key = rndis_del_key,
550 .set_default_key = rndis_set_default_key,
8b89a288 551 .get_station = rndis_get_station,
d695df90 552 .dump_station = rndis_dump_station,
964c1d41 553};
bf164cc0 554
caa6dfad 555static void *rndis_wiphy_privid = &rndis_wiphy_privid;
bf164cc0 556
bf164cc0 557
582241a0 558static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
bf164cc0 559{
582241a0 560 return (struct rndis_wlan_private *)dev->driver_priv;
bf164cc0
JK		 561}
562
222ec50a 563static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
bf164cc0 564{
222ec50a
JK		 565 switch (priv->param_power_output) {
566 default:
567 case 3:
568 return BCM4320_DEFAULT_TXPOWER_DBM_100;
569 case 2:
570 return BCM4320_DEFAULT_TXPOWER_DBM_75;
571 case 1:
572 return BCM4320_DEFAULT_TXPOWER_DBM_50;
573 case 0:
574 return BCM4320_DEFAULT_TXPOWER_DBM_25;
575 }
bf164cc0
JK		 576}
577
b7cfc5b3
JK		 578static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
579{
580 int cipher = priv->encr_keys[idx].cipher;
581
582 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
583 cipher == WLAN_CIPHER_SUITE_TKIP);
584}
585
5c52323e
JK		 586static int rndis_cipher_to_alg(u32 cipher)
587{
588 switch (cipher) {
589 default:
590 return RNDIS_WLAN_ALG_NONE;
591 case WLAN_CIPHER_SUITE_WEP40:
592 case WLAN_CIPHER_SUITE_WEP104:
593 return RNDIS_WLAN_ALG_WEP;
594 case WLAN_CIPHER_SUITE_TKIP:
595 return RNDIS_WLAN_ALG_TKIP;
596 case WLAN_CIPHER_SUITE_CCMP:
597 return RNDIS_WLAN_ALG_CCMP;
598 }
599}
600
601static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
602{
603 switch (akm_suite) {
604 default:
605 return RNDIS_WLAN_KEY_MGMT_NONE;
606 case WLAN_AKM_SUITE_8021X:
607 return RNDIS_WLAN_KEY_MGMT_802_1X;
608 case WLAN_AKM_SUITE_PSK:
609 return RNDIS_WLAN_KEY_MGMT_PSK;
610 }
611}
612
27b7b5c1
JK		 613#ifdef DEBUG
614static const char *oid_to_string(__le32 oid)
615{
616 switch (oid) {
617#define OID_STR(oid) case oid: return(#oid)
618 /* from rndis_host.h */
619 OID_STR(OID_802_3_PERMANENT_ADDRESS);
620 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
621 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
622 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
623
624 /* from rndis_wlan.c */
625 OID_STR(OID_GEN_LINK_SPEED);
626 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
627
628 OID_STR(OID_GEN_XMIT_OK);
629 OID_STR(OID_GEN_RCV_OK);
630 OID_STR(OID_GEN_XMIT_ERROR);
631 OID_STR(OID_GEN_RCV_ERROR);
632 OID_STR(OID_GEN_RCV_NO_BUFFER);
633
634 OID_STR(OID_802_3_CURRENT_ADDRESS);
635 OID_STR(OID_802_3_MULTICAST_LIST);
636 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
637
638 OID_STR(OID_802_11_BSSID);
639 OID_STR(OID_802_11_SSID);
640 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
641 OID_STR(OID_802_11_ADD_WEP);
642 OID_STR(OID_802_11_REMOVE_WEP);
643 OID_STR(OID_802_11_DISASSOCIATE);
644 OID_STR(OID_802_11_AUTHENTICATION_MODE);
645 OID_STR(OID_802_11_PRIVACY_FILTER);
646 OID_STR(OID_802_11_BSSID_LIST_SCAN);
647 OID_STR(OID_802_11_ENCRYPTION_STATUS);
648 OID_STR(OID_802_11_ADD_KEY);
649 OID_STR(OID_802_11_REMOVE_KEY);
650 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
651 OID_STR(OID_802_11_PMKID);
652 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
653 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
654 OID_STR(OID_802_11_TX_POWER_LEVEL);
655 OID_STR(OID_802_11_RSSI);
656 OID_STR(OID_802_11_RSSI_TRIGGER);
657 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
658 OID_STR(OID_802_11_RTS_THRESHOLD);
659 OID_STR(OID_802_11_SUPPORTED_RATES);
660 OID_STR(OID_802_11_CONFIGURATION);
661 OID_STR(OID_802_11_BSSID_LIST);
662#undef OID_STR
663 }
664
665 return "?";
666}
667#else
668static const char *oid_to_string(__le32 oid)
669{
670 return "?";
671}
672#endif
673
bf164cc0
JK		 674/* translate error code */
675static int rndis_error_status(__le32 rndis_status)
676{
677 int ret = -EINVAL;
678 switch (rndis_status) {
679 case RNDIS_STATUS_SUCCESS:
680 ret = 0;
681 break;
682 case RNDIS_STATUS_FAILURE:
683 case RNDIS_STATUS_INVALID_DATA:
684 ret = -EINVAL;
685 break;
686 case RNDIS_STATUS_NOT_SUPPORTED:
687 ret = -EOPNOTSUPP;
688 break;
689 case RNDIS_STATUS_ADAPTER_NOT_READY:
690 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
691 ret = -EBUSY;
692 break;
693 }
694 return ret;
695}
696
bf164cc0
JK		 697static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
698{
582241a0 699 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 700 union {
701 void *buf;
702 struct rndis_msg_hdr *header;
703 struct rndis_query *get;
704 struct rndis_query_c *get_c;
705 } u;
706 int ret, buflen;
707
708 buflen = *len + sizeof(*u.get);
709 if (buflen < CONTROL_BUFFER_SIZE)
710 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 711
712 if (buflen > COMMAND_BUFFER_SIZE) {
713 u.buf = kmalloc(buflen, GFP_KERNEL);
714 if (!u.buf)
715 return -ENOMEM;
716 } else {
717 u.buf = priv->command_buffer;
718 }
719
720 mutex_lock(&priv->command_lock);
721
bf164cc0
JK		 722 memset(u.get, 0, sizeof *u.get);
723 u.get->msg_type = RNDIS_MSG_QUERY;
35c26c2c 724 u.get->msg_len = cpu_to_le32(sizeof *u.get);
bf164cc0
JK		 725 u.get->oid = oid;
726
5f81ff5a 727 priv->current_command_oid = oid;
818727ba 728 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 729 priv->current_command_oid = 0;
27b7b5c1 730 if (ret < 0)
60b86755
JP		 731 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
732 __func__, oid_to_string(oid), ret,
733 le32_to_cpu(u.get_c->status));
27b7b5c1 734
bf164cc0 735 if (ret == 0) {
c1f8ca1d
JK		 736 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
737
bf164cc0 738 ret = le32_to_cpu(u.get_c->len);
5fd8f250
JK		 739 if (ret > *len)
740 *len = ret;
27b7b5c1 741
c1f8ca1d 742 ret = rndis_error_status(u.get_c->status);
27b7b5c1 743 if (ret < 0)
60b86755
JP		 744 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
745 __func__, oid_to_string(oid),
746 le32_to_cpu(u.get_c->status), ret);
bf164cc0
JK		 747 }
748
90d07349
JK		 749 mutex_unlock(&priv->command_lock);
750
751 if (u.buf != priv->command_buffer)
752 kfree(u.buf);
bf164cc0
JK		 753 return ret;
754}
755
bf164cc0
JK		 756static int rndis_set_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_set *set;
763 struct rndis_set_c *set_c;
764 } u;
765 int ret, buflen;
766
767 buflen = len + sizeof(*u.set);
768 if (buflen < CONTROL_BUFFER_SIZE)
769 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 770
771 if (buflen > COMMAND_BUFFER_SIZE) {
772 u.buf = kmalloc(buflen, GFP_KERNEL);
773 if (!u.buf)
774 return -ENOMEM;
775 } else {
776 u.buf = priv->command_buffer;
777 }
778
779 mutex_lock(&priv->command_lock);
bf164cc0
JK		 780
781 memset(u.set, 0, sizeof *u.set);
782 u.set->msg_type = RNDIS_MSG_SET;
783 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
784 u.set->oid = oid;
785 u.set->len = cpu_to_le32(len);
35c26c2c
HH		 786 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
787 u.set->handle = cpu_to_le32(0);
bf164cc0
JK		 788 memcpy(u.buf + sizeof(*u.set), data, len);
789
5f81ff5a 790 priv->current_command_oid = oid;
818727ba 791 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 792 priv->current_command_oid = 0;
27b7b5c1 793 if (ret < 0)
60b86755
JP		 794 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
795 __func__, oid_to_string(oid), ret,
796 le32_to_cpu(u.set_c->status));
27b7b5c1
JK		 797
798 if (ret == 0) {
bf164cc0
JK		 799 ret = rndis_error_status(u.set_c->status);
800
27b7b5c1 801 if (ret < 0)
60b86755
JP		 802 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
803 __func__, oid_to_string(oid),
804 le32_to_cpu(u.set_c->status), ret);
27b7b5c1
JK		 805 }
806
90d07349
JK		 807 mutex_unlock(&priv->command_lock);
808
809 if (u.buf != priv->command_buffer)
810 kfree(u.buf);
bf164cc0
JK		 811 return ret;
812}
813
7eaab708
JK		 814static int rndis_reset(struct usbnet *usbdev)
815{
816 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
817 struct rndis_reset *reset;
818 int ret;
819
820 mutex_lock(&priv->command_lock);
821
822 reset = (void *)priv->command_buffer;
823 memset(reset, 0, sizeof(*reset));
824 reset->msg_type = RNDIS_MSG_RESET;
825 reset->msg_len = cpu_to_le32(sizeof(*reset));
5f81ff5a 826 priv->current_command_oid = 0;
7eaab708
JK		 827 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
828
829 mutex_unlock(&priv->command_lock);
830
831 if (ret < 0)
832 return ret;
833 return 0;
834}
835
bf164cc0
JK		 836/*
837 * Specs say that we can only set config parameters only soon after device
838 * initialization.
839 * value_type: 0 = u32, 2 = unicode string
840 */
841static int rndis_set_config_parameter(struct usbnet *dev, char *param,
842 int value_type, void *value)
843{
1e41e1d2 844 struct ndis_config_param *infobuf;
bf164cc0
JK		 845 int value_len, info_len, param_len, ret, i;
846 __le16 *unibuf;
847 __le32 *dst_value;
848
849 if (value_type == 0)
850 value_len = sizeof(__le32);
851 else if (value_type == 2)
852 value_len = strlen(value) * sizeof(__le16);
853 else
854 return -EINVAL;
855
856 param_len = strlen(param) * sizeof(__le16);
857 info_len = sizeof(*infobuf) + param_len + value_len;
858
859#ifdef DEBUG
860 info_len += 12;
861#endif
862 infobuf = kmalloc(info_len, GFP_KERNEL);
863 if (!infobuf)
864 return -ENOMEM;
865
866#ifdef DEBUG
867 info_len -= 12;
868 /* extra 12 bytes are for padding (debug output) */
869 memset(infobuf, 0xCC, info_len + 12);
870#endif
871
872 if (value_type == 2)
60b86755
JP		 873 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
874 param, (u8 *)value);
bf164cc0 875 else
60b86755
JP		 876 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
877 param, *(u32 *)value);
bf164cc0 878
461b3f2a
JK		 879 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
880 infobuf->name_length = cpu_to_le32(param_len);
881 infobuf->type = cpu_to_le32(value_type);
882 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
883 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 884
885 /* simple string to unicode string conversion */
886 unibuf = (void *)infobuf + sizeof(*infobuf);
887 for (i = 0; i < param_len / sizeof(__le16); i++)
888 unibuf[i] = cpu_to_le16(param[i]);
889
890 if (value_type == 2) {
891 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
892 for (i = 0; i < value_len / sizeof(__le16); i++)
893 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
894 } else {
895 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
896 *dst_value = cpu_to_le32(*(u32 *)value);
897 }
898
899#ifdef DEBUG
60b86755 900 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
bf164cc0
JK		 901 for (i = 0; i < info_len; i += 12) {
902 u32 *tmp = (u32 *)((u8 *)infobuf + i);
60b86755
JP		 903 netdev_dbg(dev->net, "%08X:%08X:%08X\n",
904 cpu_to_be32(tmp[0]),
905 cpu_to_be32(tmp[1]),
906 cpu_to_be32(tmp[2]));
bf164cc0
JK		 907 }
908#endif
909
910 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
911 infobuf, info_len);
912 if (ret != 0)
60b86755
JP		 913 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
914 ret);
bf164cc0
JK		 915
916 kfree(infobuf);
917 return ret;
918}
919
920static int rndis_set_config_parameter_str(struct usbnet *dev,
921 char *param, char *value)
922{
c5c4fe90 923 return rndis_set_config_parameter(dev, param, 2, value);
bf164cc0
JK		 924}
925
bf164cc0
JK		 926/*
927 * data conversion functions
928 */
929static int level_to_qual(int level)
930{
931 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
932 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
933}
934
bf164cc0
JK		 935/*
936 * common functions
937 */
9f77ccab 938static int set_infra_mode(struct usbnet *usbdev, int mode);
b7cfc5b3 939static void restore_keys(struct usbnet *usbdev);
db0dd396 940static int rndis_check_bssid_list(struct usbnet *usbdev);
bf164cc0 941
1e41e1d2 942static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0 943{
582241a0 944 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 945 int ret;
946
947 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
5c52323e 948 if (ret < 0) {
60b86755 949 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
5c52323e
JK		 950 return ret;
951 }
bf164cc0
JK		 952 if (ret == 0) {
953 memcpy(&priv->essid, ssid, sizeof(priv->essid));
051ae0bf 954 priv->radio_on = true;
60b86755 955 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
bf164cc0
JK		 956 }
957
958 return ret;
959}
960
5c52323e
JK		 961static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
962{
963 int ret;
964
965 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
966 if (ret < 0) {
60b86755
JP		 967 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
968 bssid, ret);
5c52323e
JK		 969 return ret;
970 }
971
972 return ret;
973}
974
975static int clear_bssid(struct usbnet *usbdev)
976{
977 u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
978
979 return set_bssid(usbdev, broadcast_mac);
980}
bf164cc0
JK		 981
982static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
983{
984 int ret, len;
985
986 len = ETH_ALEN;
987 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
988
989 if (ret != 0)
990 memset(bssid, 0, ETH_ALEN);
991
992 return ret;
993}
994
4364623c
SA		 995static int get_association_info(struct usbnet *usbdev,
996 struct ndis_80211_assoc_info *info, int len)
997{
998 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
999 info, &len);
1000}
bf164cc0 1001
5c52323e 1002static bool is_associated(struct usbnet *usbdev)
bf164cc0 1003{
5c52323e 1004 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1005 u8 bssid[ETH_ALEN];
1006 int ret;
1007
5c52323e
JK		 1008 if (!priv->radio_on)
1009 return false;
1010
bf164cc0
JK		 1011 ret = get_bssid(usbdev, bssid);
1012
7b1fff99 1013 return (ret == 0 && !is_zero_ether_addr(bssid));
bf164cc0
JK		 1014}
1015
051ae0bf 1016static int disassociate(struct usbnet *usbdev, bool reset_ssid)
bf164cc0 1017{
582241a0 1018 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1019 struct ndis_80211_ssid ssid;
bf164cc0
JK		 1020 int i, ret = 0;
1021
1022 if (priv->radio_on) {
1023 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1024 if (ret == 0) {
051ae0bf 1025 priv->radio_on = false;
60b86755
JP		 1026 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1027 __func__);
bf164cc0
JK		 1028
1029 if (reset_ssid)
1030 msleep(100);
1031 }
1032 }
1033
1034 /* disassociate causes radio to be turned off; if reset_ssid
1035 * is given, set random ssid to enable radio */
1036 if (reset_ssid) {
9f77ccab
JK		 1037 /* Set device to infrastructure mode so we don't get ad-hoc
1038 * 'media connect' indications with the random ssid.
1039 */
1040 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1041
461b3f2a
JK		 1042 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1043 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1044 ssid.essid[0] = 0x1;
1045 ssid.essid[1] = 0xff;
1046 for (i = 2; i < sizeof(ssid.essid); i++)
1047 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 1048 ret = set_essid(usbdev, &ssid);
1049 }
1050 return ret;
1051}
1052
5c52323e
JK		 1053static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1054 enum nl80211_auth_type auth_type, int keymgmt)
bf164cc0 1055{
582241a0 1056 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1057 __le32 tmp;
1058 int auth_mode, ret;
1059
60b86755
JP		 1060 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1061 __func__, wpa_version, auth_type, keymgmt);
bf164cc0 1062
5c52323e
JK		 1063 if (wpa_version & NL80211_WPA_VERSION_2) {
1064 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1065 auth_mode = NDIS_80211_AUTH_WPA2;
bf164cc0 1066 else
aa18294a 1067 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
5c52323e
JK		 1068 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1069 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1070 auth_mode = NDIS_80211_AUTH_WPA;
5c52323e 1071 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
aa18294a 1072 auth_mode = NDIS_80211_AUTH_WPA_PSK;
bf164cc0 1073 else
aa18294a 1074 auth_mode = NDIS_80211_AUTH_WPA_NONE;
5c52323e
JK		 1075 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1076 auth_mode = NDIS_80211_AUTH_SHARED;
1077 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
aa18294a 1078 auth_mode = NDIS_80211_AUTH_OPEN;
634a555c
JK		 1079 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1080 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
5c52323e
JK		 1081 else
1082 return -ENOTSUPP;
bf164cc0
JK		 1083
1084 tmp = cpu_to_le32(auth_mode);
1085 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1086 sizeof(tmp));
1087 if (ret != 0) {
60b86755
JP		 1088 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1089 ret);
bf164cc0
JK		 1090 return ret;
1091 }
1092
1093 priv->wpa_version = wpa_version;
5c52323e
JK		 1094 priv->wpa_auth_type = auth_type;
1095 priv->wpa_keymgmt = keymgmt;
1096
bf164cc0
JK		 1097 return 0;
1098}
1099
bf164cc0
JK		 1100static int set_priv_filter(struct usbnet *usbdev)
1101{
582241a0 1102 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1103 __le32 tmp;
1104
60b86755
JP		 1105 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1106 __func__, priv->wpa_version);
bf164cc0 1107
5c52323e
JK		 1108 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1109 priv->wpa_version & NL80211_WPA_VERSION_1)
aa18294a 1110 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
bf164cc0 1111 else
aa18294a 1112 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
bf164cc0
JK		 1113
1114 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1115 sizeof(tmp));
1116}
1117
bf164cc0
JK		 1118static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1119{
582241a0 1120 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1121 __le32 tmp;
1122 int encr_mode, ret;
1123
60b86755
JP		 1124 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1125 __func__, pairwise, groupwise);
bf164cc0 1126
5c52323e 1127 if (pairwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1128 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1129 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1130 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
5c52323e 1131 else if (pairwise & RNDIS_WLAN_ALG_WEP)
aa18294a 1132 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
5c52323e 1133 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1134 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1135 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1136 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0 1137 else
aa18294a 1138 encr_mode = NDIS_80211_ENCR_DISABLED;
bf164cc0
JK		 1139
1140 tmp = cpu_to_le32(encr_mode);
1141 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1142 sizeof(tmp));
1143 if (ret != 0) {
60b86755
JP		 1144 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1145 ret);
bf164cc0
JK		 1146 return ret;
1147 }
1148
1149 priv->wpa_cipher_pair = pairwise;
1150 priv->wpa_cipher_group = groupwise;
1151 return 0;
1152}
1153
bf164cc0
JK		 1154static int set_infra_mode(struct usbnet *usbdev, int mode)
1155{
582241a0 1156 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 1157 __le32 tmp;
b7cfc5b3 1158 int ret;
bf164cc0 1159
60b86755
JP		 1160 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1161 __func__, priv->infra_mode);
bf164cc0
JK		 1162
1163 tmp = cpu_to_le32(mode);
1164 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1165 sizeof(tmp));
1166 if (ret != 0) {
60b86755
JP		 1167 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1168 ret);
bf164cc0
JK		 1169 return ret;
1170 }
1171
1172 /* NDIS drivers clear keys when infrastructure mode is
1173 * changed. But Linux tools assume otherwise. So set the
1174 * keys */
b7cfc5b3 1175 restore_keys(usbdev);
bf164cc0
JK		 1176
1177 priv->infra_mode = mode;
1178 return 0;
1179}
1180
d75ec2b7
JK		 1181static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1182{
1183 __le32 tmp;
1184
60b86755 1185 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
d75ec2b7
JK		 1186
1187 if (rts_threshold < 0 || rts_threshold > 2347)
1188 rts_threshold = 2347;
1189
1190 tmp = cpu_to_le32(rts_threshold);
1191 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1192 sizeof(tmp));
1193}
1194
d75ec2b7
JK		 1195static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1196{
1197 __le32 tmp;
1198
60b86755 1199 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
d75ec2b7
JK		 1200
1201 if (frag_threshold < 256 || frag_threshold > 2346)
1202 frag_threshold = 2346;
1203
1204 tmp = cpu_to_le32(frag_threshold);
1205 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1206 sizeof(tmp));
1207}
1208
bf164cc0
JK		 1209static void set_default_iw_params(struct usbnet *usbdev)
1210{
aa18294a 1211 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
5c52323e
JK		 1212 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1213 RNDIS_WLAN_KEY_MGMT_NONE);
bf164cc0 1214 set_priv_filter(usbdev);
5c52323e 1215 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1216}
1217
bf164cc0
JK		 1218static int deauthenticate(struct usbnet *usbdev)
1219{
1220 int ret;
1221
051ae0bf 1222 ret = disassociate(usbdev, true);
bf164cc0
JK		 1223 set_default_iw_params(usbdev);
1224 return ret;
1225}
1226
5c52323e
JK		 1227static int set_channel(struct usbnet *usbdev, int channel)
1228{
1229 struct ndis_80211_conf config;
1230 unsigned int dsconfig;
1231 int len, ret;
1232
60b86755 1233 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
5c52323e
JK		 1234
1235 /* this OID is valid only when not associated */
1236 if (is_associated(usbdev))
1237 return 0;
1238
1239 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1240
1241 len = sizeof(config);
1242 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1243 if (ret < 0) {
60b86755
JP		 1244 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1245 __func__);
5c52323e
JK		 1246 return ret;
1247 }
1248
1249 config.ds_config = cpu_to_le32(dsconfig);
1250 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1251 sizeof(config));
1252
60b86755 1253 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
5c52323e
JK		 1254
1255 return ret;
1256}
1257
bf164cc0 1258/* index must be 0 - N, as per NDIS */
5c52323e
JK		 1259static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1260 int index)
bf164cc0 1261{
582241a0 1262 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1263 struct ndis_80211_wep_key ndis_key;
84bf8400
JK		 1264 u32 cipher;
1265 int ret;
1266
60b86755
JP		 1267 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1268 __func__, index, key_len);
bf164cc0 1269
40ba60dd 1270 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
bf164cc0
JK		 1271 return -EINVAL;
1272
b7cfc5b3
JK		 1273 if (key_len == 5)
1274 cipher = WLAN_CIPHER_SUITE_WEP40;
1275 else
1276 cipher = WLAN_CIPHER_SUITE_WEP104;
1277
bf164cc0
JK		 1278 memset(&ndis_key, 0, sizeof(ndis_key));
1279
461b3f2a
JK		 1280 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1281 ndis_key.length = cpu_to_le32(key_len);
1282 ndis_key.index = cpu_to_le32(index);
1283 memcpy(&ndis_key.material, key, key_len);
bf164cc0
JK		 1284
1285 if (index == priv->encr_tx_key_index) {
aa18294a 1286 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
5c52323e
JK		 1287 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1288 RNDIS_WLAN_ALG_NONE);
bf164cc0 1289 if (ret)
60b86755
JP		 1290 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1291 ret);
bf164cc0
JK		 1292 }
1293
1294 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1295 sizeof(ndis_key));
1296 if (ret != 0) {
60b86755
JP		 1297 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1298 index + 1, ret);
bf164cc0
JK		 1299 return ret;
1300 }
1301
b7cfc5b3
JK		 1302 priv->encr_keys[index].len = key_len;
1303 priv->encr_keys[index].cipher = cipher;
1304 memcpy(&priv->encr_keys[index].material, key, key_len);
1305 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
bf164cc0
JK		 1306
1307 return 0;
1308}
1309
b145ee0c 1310static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
84bf8400 1311 int index, const u8 *addr, const u8 *rx_seq,
53d27eaf 1312 int seq_len, u32 cipher, __le32 flags)
b145ee0c 1313{
582241a0 1314 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b145ee0c 1315 struct ndis_80211_key ndis_key;
b7cfc5b3 1316 bool is_addr_ok;
b145ee0c
JK		 1317 int ret;
1318
b7cfc5b3 1319 if (index < 0 || index >= 4) {
60b86755
JP		 1320 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1321 __func__, index);
b145ee0c 1322 return -EINVAL;
b7cfc5b3
JK		 1323 }
1324 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
60b86755
JP		 1325 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1326 __func__, key_len);
b145ee0c 1327 return -EINVAL;
b7cfc5b3 1328 }
84bf8400
JK		 1329 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1330 if (!rx_seq || seq_len <= 0) {
60b86755
JP		 1331 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1332 __func__);
84bf8400
JK		 1333 return -EINVAL;
1334 }
1335 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
60b86755 1336 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
84bf8400
JK		 1337 return -EINVAL;
1338 }
b7cfc5b3 1339 }
84bf8400 1340
7b1fff99
JK		 1341 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1342 !is_broadcast_ether_addr(addr);
b7cfc5b3 1343 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
60b86755
JP		 1344 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1345 __func__, addr);
b145ee0c 1346 return -EINVAL;
b7cfc5b3 1347 }
b145ee0c 1348
60b86755
JP		 1349 netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
1350 __func__, index,
1351 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1352 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1353 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
b145ee0c
JK		 1354
1355 memset(&ndis_key, 0, sizeof(ndis_key));
1356
1357 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1358 sizeof(ndis_key.material) + key_len);
1359 ndis_key.length = cpu_to_le32(key_len);
1360 ndis_key.index = cpu_to_le32(index) | flags;
1361
b7cfc5b3 1362 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
b145ee0c
JK		 1363 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1364 * different order than NDIS spec, so swap the order here. */
1365 memcpy(ndis_key.material, key, 16);
1366 memcpy(ndis_key.material + 16, key + 24, 8);
1367 memcpy(ndis_key.material + 24, key + 16, 8);
1368 } else
1369 memcpy(ndis_key.material, key, key_len);
1370
aa18294a 1371 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
84bf8400 1372 memcpy(ndis_key.rsc, rx_seq, seq_len);
b145ee0c 1373
aa18294a 1374 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
b145ee0c 1375 /* pairwise key */
b7cfc5b3 1376 memcpy(ndis_key.bssid, addr, ETH_ALEN);
b145ee0c
JK		 1377 } else {
1378 /* group key */
aa18294a 1379 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
b145ee0c
JK		 1380 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1381 else
1382 get_bssid(usbdev, ndis_key.bssid);
1383 }
1384
1385 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1386 le32_to_cpu(ndis_key.size));
60b86755
JP		 1387 netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n",
1388 __func__, ret);
b145ee0c
JK		 1389 if (ret != 0)
1390 return ret;
1391
b7cfc5b3
JK		 1392 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1393 priv->encr_keys[index].len = key_len;
1394 priv->encr_keys[index].cipher = cipher;
1395 memcpy(&priv->encr_keys[index].material, key, key_len);
1396 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1397 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1398 else
1399 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
9839178e 1400
aa18294a 1401 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
b145ee0c
JK		 1402 priv->encr_tx_key_index = index;
1403
1404 return 0;
1405}
1406
b7cfc5b3
JK		 1407static int restore_key(struct usbnet *usbdev, int key_idx)
1408{
1409 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1410 struct rndis_wlan_encr_key key;
84bf8400
JK		 1411
1412 if (is_wpa_key(priv, key_idx))
1413 return 0;
b7cfc5b3
JK		 1414
1415 key = priv->encr_keys[key_idx];
1416
60b86755 1417 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
b7cfc5b3
JK		 1418
1419 if (key.len == 0)
1420 return 0;
1421
b7cfc5b3
JK		 1422 return add_wep_key(usbdev, key.material, key.len, key_idx);
1423}
1424
b7cfc5b3
JK		 1425static void restore_keys(struct usbnet *usbdev)
1426{
1427 int i;
1428
1429 for (i = 0; i < 4; i++)
1430 restore_key(usbdev, i);
1431}
1432
b7cfc5b3
JK		 1433static void clear_key(struct rndis_wlan_private *priv, int idx)
1434{
1435 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1436}
1437
bf164cc0 1438/* remove_key is for both wep and wpa */
84bf8400 1439static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
bf164cc0 1440{
582241a0 1441 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1442 struct ndis_80211_remove_key remove_key;
bf164cc0 1443 __le32 keyindex;
b7cfc5b3 1444 bool is_wpa;
bf164cc0
JK		 1445 int ret;
1446
b7cfc5b3 1447 if (priv->encr_keys[index].len == 0)
bf164cc0
JK		 1448 return 0;
1449
b7cfc5b3 1450 is_wpa = is_wpa_key(priv, index);
bf164cc0 1451
60b86755
JP		 1452 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1453 __func__, index, is_wpa ? "wpa" : "wep",
1454 priv->encr_keys[index].len);
b7cfc5b3
JK		 1455
1456 clear_key(priv, index);
1457
1458 if (is_wpa) {
461b3f2a
JK		 1459 remove_key.size = cpu_to_le32(sizeof(remove_key));
1460 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 1461 if (bssid) {
1462 /* pairwise key */
7b1fff99 1463 if (!is_broadcast_ether_addr(bssid))
b4703a2e 1464 remove_key.index |=
aa18294a 1465 NDIS_80211_ADDKEY_PAIRWISE_KEY;
461b3f2a
JK		 1466 memcpy(remove_key.bssid, bssid,
1467 sizeof(remove_key.bssid));
bf164cc0 1468 } else
461b3f2a
JK		 1469 memset(remove_key.bssid, 0xff,
1470 sizeof(remove_key.bssid));
bf164cc0
JK		 1471
1472 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1473 sizeof(remove_key));
1474 if (ret != 0)
1475 return ret;
1476 } else {
1477 keyindex = cpu_to_le32(index);
1478 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1479 sizeof(keyindex));
1480 if (ret != 0) {
60b86755
JP		 1481 netdev_warn(usbdev->net,
1482 "removing encryption key %d failed (%08X)\n",
1483 index, ret);
bf164cc0
JK		 1484 return ret;
1485 }
1486 }
1487
1488 /* if it is transmit key, disable encryption */
1489 if (index == priv->encr_tx_key_index)
5c52323e 1490 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1491
1492 return 0;
1493}
1494
bf164cc0
JK		 1495static void set_multicast_list(struct usbnet *usbdev)
1496{
582241a0 1497 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1498 struct dev_mc_list *mclist;
1499 __le32 filter;
1500 int ret, i, size;
1501 char *buf;
1502
1503 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1504
1505 if (usbdev->net->flags & IFF_PROMISC) {
1506 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1507 RNDIS_PACKET_TYPE_ALL_LOCAL;
1508 } else if (usbdev->net->flags & IFF_ALLMULTI ||
4cd24eaf 1509 netdev_mc_count(usbdev->net) > priv->multicast_size) {
bf164cc0 1510 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
4cd24eaf
JP		 1511 } else if (!netdev_mc_empty(usbdev->net)) {
1512 size = min(priv->multicast_size, netdev_mc_count(usbdev->net));
bf164cc0
JK		 1513 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1514 if (!buf) {
60b86755
JP		 1515 netdev_warn(usbdev->net,
1516 "couldn't alloc %d bytes of memory\n",
1517 size * ETH_ALEN);
bf164cc0
JK		 1518 return;
1519 }
1520
1521 mclist = usbdev->net->mc_list;
1522 for (i = 0; i < size && mclist; mclist = mclist->next) {
1523 if (mclist->dmi_addrlen != ETH_ALEN)
1524 continue;
1525
1526 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1527 i++;
1528 }
1529
1530 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1531 i * ETH_ALEN);
1532 if (ret == 0 && i > 0)
1533 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1534 else
1535 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1536
60b86755
JP		 1537 netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
1538 i, priv->multicast_size, ret);
bf164cc0
JK		 1539
1540 kfree(buf);
1541 }
1542
1543 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1544 sizeof(filter));
1545 if (ret < 0) {
60b86755
JP		 1546 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1547 le32_to_cpu(filter));
bf164cc0
JK		 1548 }
1549
60b86755
JP		 1550 netdev_dbg(usbdev->net, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1551 le32_to_cpu(filter), ret);
bf164cc0
JK		 1552}
1553
964c1d41
JL		 1554/*
1555 * cfg80211 ops
1556 */
e36d56b6
JB		 1557static int rndis_change_virtual_intf(struct wiphy *wiphy,
1558 struct net_device *dev,
964c1d41
JL		 1559 enum nl80211_iftype type, u32 *flags,
1560 struct vif_params *params)
1561{
16139172
JK		 1562 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1563 struct usbnet *usbdev = priv->usbdev;
964c1d41
JL		 1564 int mode;
1565
964c1d41
JL		 1566 switch (type) {
1567 case NL80211_IFTYPE_ADHOC:
aa18294a 1568 mode = NDIS_80211_INFRA_ADHOC;
964c1d41
JL		 1569 break;
1570 case NL80211_IFTYPE_STATION:
aa18294a 1571 mode = NDIS_80211_INFRA_INFRA;
964c1d41
JL		 1572 break;
1573 default:
1574 return -EINVAL;
1575 }
1576
16139172
JK		 1577 priv->wdev.iftype = type;
1578
964c1d41
JL		 1579 return set_infra_mode(usbdev, mode);
1580}
1581
d75ec2b7
JK		 1582static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1583{
1584 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1585 struct usbnet *usbdev = priv->usbdev;
1586 int err;
1587
1588 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1589 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1590 if (err < 0)
1591 return err;
1592 }
1593
1594 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1595 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1596 if (err < 0)
1597 return err;
1598 }
1599
1600 return 0;
1601}
1602
222ec50a
JK		 1603static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1604 int dbm)
1605{
1606 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1607 struct usbnet *usbdev = priv->usbdev;
1608
60b86755
JP		 1609 netdev_dbg(usbdev->net, "%s(): type:0x%x dbm:%i\n",
1610 __func__, type, dbm);
222ec50a
JK		 1611
1612 /* Device doesn't support changing txpower after initialization, only
1613 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1614 * currently used.
1615 */
1616 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1617 if (!priv->radio_on)
051ae0bf 1618 disassociate(usbdev, true); /* turn on radio */
222ec50a
JK		 1619
1620 return 0;
1621 }
1622
1623 return -ENOTSUPP;
1624}
1625
222ec50a
JK		 1626static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1627{
1628 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1629 struct usbnet *usbdev = priv->usbdev;
1630
1631 *dbm = get_bcm4320_power_dbm(priv);
1632
60b86755 1633 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
222ec50a
JK		 1634
1635 return 0;
1636}
1637
b1d25a67 1638#define SCAN_DELAY_JIFFIES (6 * HZ)
71a7b26d
JK		 1639static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1640 struct cfg80211_scan_request *request)
1641{
1642 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1643 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d
JK		 1644 int ret;
1645 __le32 tmp;
1646
60b86755 1647 netdev_dbg(usbdev->net, "cfg80211.scan\n");
71a7b26d 1648
db0dd396
JK		 1649 /* Get current bssid list from device before new scan, as new scan
1650 * clears internal bssid list.
1651 */
1652 rndis_check_bssid_list(usbdev);
1653
71a7b26d
JK		 1654 if (!request)
1655 return -EINVAL;
1656
1657 if (priv->scan_request && priv->scan_request != request)
1658 return -EBUSY;
1659
1660 priv->scan_request = request;
1661
1662 tmp = cpu_to_le32(1);
1663 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1664 sizeof(tmp));
1665 if (ret == 0) {
1666 /* Wait before retrieving scan results from device */
1667 queue_delayed_work(priv->workqueue, &priv->scan_work,
1668 SCAN_DELAY_JIFFIES);
1669 }
1670
1671 return ret;
1672}
1673
71a7b26d
JK		 1674static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1675 struct ndis_80211_bssid_ex *bssid)
1676{
582241a0 1677 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d
JK		 1678 struct ieee80211_channel *channel;
1679 s32 signal;
1680 u64 timestamp;
1681 u16 capability;
1682 u16 beacon_interval;
1683 struct ndis_80211_fixed_ies *fixed;
1684 int ie_len, bssid_len;
1685 u8 *ie;
1686
60b86755
JP		 1687 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM]\n",
1688 bssid->ssid.essid, bssid->mac);
5fd8f250 1689
71a7b26d
JK		 1690 /* parse bssid structure */
1691 bssid_len = le32_to_cpu(bssid->length);
1692
1693 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1694 sizeof(struct ndis_80211_fixed_ies))
1695 return NULL;
1696
1697 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1698
1699 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1700 ie_len = min(bssid_len - (int)sizeof(*bssid),
1701 (int)le32_to_cpu(bssid->ie_length));
1702 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1703 if (ie_len < 0)
1704 return NULL;
1705
1706 /* extract data for cfg80211_inform_bss */
1707 channel = ieee80211_get_channel(priv->wdev.wiphy,
1708 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1709 if (!channel)
1710 return NULL;
1711
1712 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1713 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1714 capability = le16_to_cpu(fixed->capabilities);
1715 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1716
1717 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1718 timestamp, capability, beacon_interval, ie, ie_len, signal,
1719 GFP_KERNEL);
1720}
1721
71a7b26d
JK		 1722static int rndis_check_bssid_list(struct usbnet *usbdev)
1723{
1724 void *buf = NULL;
1725 struct ndis_80211_bssid_list_ex *bssid_list;
1726 struct ndis_80211_bssid_ex *bssid;
1727 int ret = -EINVAL, len, count, bssid_len;
5fd8f250 1728 bool resized = false;
71a7b26d 1729
60b86755 1730 netdev_dbg(usbdev->net, "check_bssid_list\n");
71a7b26d
JK		 1731
1732 len = CONTROL_BUFFER_SIZE;
5fd8f250 1733resize_buf:
71a7b26d
JK		 1734 buf = kmalloc(len, GFP_KERNEL);
1735 if (!buf) {
1736 ret = -ENOMEM;
1737 goto out;
1738 }
1739
1740 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1741 if (ret != 0)
1742 goto out;
1743
5fd8f250
JK		 1744 if (!resized && len > CONTROL_BUFFER_SIZE) {
1745 resized = true;
1746 kfree(buf);
1747 goto resize_buf;
1748 }
1749
71a7b26d
JK		 1750 bssid_list = buf;
1751 bssid = bssid_list->bssid;
1752 bssid_len = le32_to_cpu(bssid->length);
1753 count = le32_to_cpu(bssid_list->num_items);
60b86755
JP		 1754 netdev_dbg(usbdev->net, "check_bssid_list: %d BSSIDs found (buflen: %d)\n",
1755 count, len);
71a7b26d
JK		 1756
1757 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1758 rndis_bss_info_update(usbdev, bssid);
1759
1760 bssid = (void *)bssid + bssid_len;
1761 bssid_len = le32_to_cpu(bssid->length);
1762 count--;
1763 }
1764
1765out:
1766 kfree(buf);
1767 return ret;
1768}
1769
71a7b26d
JK		 1770static void rndis_get_scan_results(struct work_struct *work)
1771{
582241a0
JK		 1772 struct rndis_wlan_private *priv =
1773 container_of(work, struct rndis_wlan_private, scan_work.work);
71a7b26d
JK		 1774 struct usbnet *usbdev = priv->usbdev;
1775 int ret;
1776
60b86755 1777 netdev_dbg(usbdev->net, "get_scan_results\n");
71a7b26d 1778
005ba2f1
JK		 1779 if (!priv->scan_request)
1780 return;
1781
71a7b26d
JK		 1782 ret = rndis_check_bssid_list(usbdev);
1783
1784 cfg80211_scan_done(priv->scan_request, ret < 0);
1785
1786 priv->scan_request = NULL;
1787}
1788
5c52323e
JK		 1789static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
1790 struct cfg80211_connect_params *sme)
1791{
1792 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1793 struct usbnet *usbdev = priv->usbdev;
1794 struct ieee80211_channel *channel = sme->channel;
1795 struct ndis_80211_ssid ssid;
1796 int pairwise = RNDIS_WLAN_ALG_NONE;
1797 int groupwise = RNDIS_WLAN_ALG_NONE;
1798 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
1799 int length, i, ret, chan = -1;
1800
1801 if (channel)
1802 chan = ieee80211_frequency_to_channel(channel->center_freq);
1803
1804 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
1805 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
1806 pairwise |=
1807 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
1808
1809 if (sme->crypto.n_ciphers_pairwise > 0 &&
1810 pairwise == RNDIS_WLAN_ALG_NONE) {
60b86755 1811 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
5c52323e
JK		 1812 return -ENOTSUPP;
1813 }
1814
1815 for (i = 0; i < sme->crypto.n_akm_suites; i++)
1816 keymgmt |=
1817 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
1818
1819 if (sme->crypto.n_akm_suites > 0 &&
1820 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
60b86755 1821 netdev_err(usbdev->net, "Invalid keymgmt\n");
5c52323e
JK		 1822 return -ENOTSUPP;
1823 }
1824
60b86755
JP		 1825 netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
1826 sme->ssid, sme->bssid, chan,
1827 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
1828 groupwise, pairwise, keymgmt);
5c52323e
JK		 1829
1830 if (is_associated(usbdev))
1831 disassociate(usbdev, false);
1832
1833 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1834 if (ret < 0) {
60b86755
JP		 1835 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
1836 ret);
5c52323e
JK		 1837 goto err_turn_radio_on;
1838 }
1839
1840 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
1841 keymgmt);
1842 if (ret < 0) {
60b86755
JP		 1843 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
1844 ret);
5c52323e
JK		 1845 goto err_turn_radio_on;
1846 }
1847
1848 set_priv_filter(usbdev);
1849
1850 ret = set_encr_mode(usbdev, pairwise, groupwise);
1851 if (ret < 0) {
60b86755
JP		 1852 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
1853 ret);
5c52323e
JK		 1854 goto err_turn_radio_on;
1855 }
1856
1857 if (channel) {
1858 ret = set_channel(usbdev, chan);
1859 if (ret < 0) {
60b86755
JP		 1860 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
1861 ret);
5c52323e
JK		 1862 goto err_turn_radio_on;
1863 }
1864 }
1865
1866 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
1867 priv->encr_tx_key_index = sme->key_idx;
1868 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
1869 if (ret < 0) {
60b86755
JP		 1870 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
1871 ret, sme->key_len, sme->key_idx);
5c52323e
JK		 1872 goto err_turn_radio_on;
1873 }
1874 }
1875
1876 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
1877 !is_broadcast_ether_addr(sme->bssid)) {
1878 ret = set_bssid(usbdev, sme->bssid);
1879 if (ret < 0) {
60b86755
JP		 1880 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
1881 ret);
5c52323e
JK		 1882 goto err_turn_radio_on;
1883 }
1884 } else
1885 clear_bssid(usbdev);
1886
1887 length = sme->ssid_len;
1888 if (length > NDIS_802_11_LENGTH_SSID)
1889 length = NDIS_802_11_LENGTH_SSID;
1890
1891 memset(&ssid, 0, sizeof(ssid));
1892 ssid.length = cpu_to_le32(length);
1893 memcpy(ssid.essid, sme->ssid, length);
1894
1895 /* Pause and purge rx queue, so we don't pass packets before
1896 * 'media connect'-indication.
1897 */
1898 usbnet_pause_rx(usbdev);
1899 usbnet_purge_paused_rxq(usbdev);
1900
1901 ret = set_essid(usbdev, &ssid);
1902 if (ret < 0)
60b86755 1903 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
5c52323e
JK		 1904 return ret;
1905
1906err_turn_radio_on:
051ae0bf 1907 disassociate(usbdev, true);
5c52323e
JK		 1908
1909 return ret;
1910}
1911
1912static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
1913 u16 reason_code)
1914{
1915 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1916 struct usbnet *usbdev = priv->usbdev;
1917
60b86755 1918 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
5c52323e
JK		 1919
1920 priv->connected = false;
8b89a288 1921 memset(priv->bssid, 0, ETH_ALEN);
5c52323e
JK		 1922
1923 return deauthenticate(usbdev);
1924}
1925
1926static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1927 struct cfg80211_ibss_params *params)
1928{
1929 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1930 struct usbnet *usbdev = priv->usbdev;
1931 struct ieee80211_channel *channel = params->channel;
1932 struct ndis_80211_ssid ssid;
1933 enum nl80211_auth_type auth_type;
1934 int ret, alg, length, chan = -1;
1935
1936 if (channel)
1937 chan = ieee80211_frequency_to_channel(channel->center_freq);
1938
1939 /* TODO: How to handle ad-hoc encryption?
1940 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
1941 * pre-shared for encryption (open/shared/wpa), is key set before
1942 * join_ibss? Which auth_type to use (not in params)? What about WPA?
1943 */
1944 if (params->privacy) {
1945 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
1946 alg = RNDIS_WLAN_ALG_WEP;
1947 } else {
1948 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1949 alg = RNDIS_WLAN_ALG_NONE;
1950 }
1951
60b86755
JP		 1952 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
1953 params->ssid, params->bssid, chan, params->privacy);
5c52323e
JK		 1954
1955 if (is_associated(usbdev))
1956 disassociate(usbdev, false);
1957
1958 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
1959 if (ret < 0) {
60b86755
JP		 1960 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
1961 ret);
5c52323e
JK		 1962 goto err_turn_radio_on;
1963 }
1964
1965 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
1966 if (ret < 0) {
60b86755
JP		 1967 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
1968 ret);
5c52323e
JK		 1969 goto err_turn_radio_on;
1970 }
1971
1972 set_priv_filter(usbdev);
1973
1974 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
1975 if (ret < 0) {
60b86755
JP		 1976 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
1977 ret);
5c52323e
JK		 1978 goto err_turn_radio_on;
1979 }
1980
1981 if (channel) {
1982 ret = set_channel(usbdev, chan);
1983 if (ret < 0) {
60b86755
JP		 1984 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
1985 ret);
5c52323e
JK		 1986 goto err_turn_radio_on;
1987 }
1988 }
1989
1990 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
1991 !is_broadcast_ether_addr(params->bssid)) {
1992 ret = set_bssid(usbdev, params->bssid);
1993 if (ret < 0) {
60b86755
JP		 1994 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
1995 ret);
5c52323e
JK		 1996 goto err_turn_radio_on;
1997 }
1998 } else
1999 clear_bssid(usbdev);
2000
2001 length = params->ssid_len;
2002 if (length > NDIS_802_11_LENGTH_SSID)
2003 length = NDIS_802_11_LENGTH_SSID;
2004
2005 memset(&ssid, 0, sizeof(ssid));
2006 ssid.length = cpu_to_le32(length);
2007 memcpy(ssid.essid, params->ssid, length);
2008
2009 /* Don't need to pause rx queue for ad-hoc. */
2010 usbnet_purge_paused_rxq(usbdev);
2011 usbnet_resume_rx(usbdev);
2012
2013 ret = set_essid(usbdev, &ssid);
2014 if (ret < 0)
60b86755
JP		 2015 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2016 ret);
5c52323e
JK		 2017 return ret;
2018
2019err_turn_radio_on:
051ae0bf 2020 disassociate(usbdev, true);
5c52323e
JK		 2021
2022 return ret;
2023}
2024
2025static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2026{
2027 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2028 struct usbnet *usbdev = priv->usbdev;
2029
60b86755 2030 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
5c52323e
JK		 2031
2032 priv->connected = false;
8b89a288 2033 memset(priv->bssid, 0, ETH_ALEN);
5c52323e
JK		 2034
2035 return deauthenticate(usbdev);
2036}
2037
5554adbe
JK		 2038static int rndis_set_channel(struct wiphy *wiphy,
2039 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2040{
2041 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2042 struct usbnet *usbdev = priv->usbdev;
2043
2044 return set_channel(usbdev,
2045 ieee80211_frequency_to_channel(chan->center_freq));
2046}
71a7b26d 2047
84bf8400
JK		 2048static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
2049 u8 key_index, const u8 *mac_addr,
2050 struct key_params *params)
2051{
2052 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2053 struct usbnet *usbdev = priv->usbdev;
53d27eaf 2054 __le32 flags;
84bf8400 2055
60b86755
JP		 2056 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2057 __func__, key_index, mac_addr, params->cipher);
84bf8400
JK		 2058
2059 switch (params->cipher) {
2060 case WLAN_CIPHER_SUITE_WEP40:
2061 case WLAN_CIPHER_SUITE_WEP104:
2062 return add_wep_key(usbdev, params->key, params->key_len,
2063 key_index);
2064 case WLAN_CIPHER_SUITE_TKIP:
2065 case WLAN_CIPHER_SUITE_CCMP:
2066 flags = 0;
2067
2068 if (params->seq && params->seq_len > 0)
2069 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2070 if (mac_addr)
2071 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2072 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2073
2074 return add_wpa_key(usbdev, params->key, params->key_len,
2075 key_index, mac_addr, params->seq,
2076 params->seq_len, params->cipher, flags);
2077 default:
60b86755
JP		 2078 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2079 __func__, params->cipher);
84bf8400
JK		 2080 return -ENOTSUPP;
2081 }
2082}
2083
2084static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
2085 u8 key_index, const u8 *mac_addr)
2086{
2087 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2088 struct usbnet *usbdev = priv->usbdev;
2089
60b86755 2090 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
84bf8400
JK		 2091
2092 return remove_key(usbdev, key_index, mac_addr);
2093}
2094
2095static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
2096 u8 key_index)
2097{
2098 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2099 struct usbnet *usbdev = priv->usbdev;
2100 struct rndis_wlan_encr_key key;
2101
60b86755 2102 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
84bf8400
JK		 2103
2104 priv->encr_tx_key_index = key_index;
2105
2106 key = priv->encr_keys[key_index];
2107
2108 return add_wep_key(usbdev, key.material, key.len, key_index);
2109}
2110
8b89a288
JK		 2111static void rndis_fill_station_info(struct usbnet *usbdev,
2112 struct station_info *sinfo)
2113{
2114 __le32 linkspeed, rssi;
2115 int ret, len;
2116
2117 memset(sinfo, 0, sizeof(*sinfo));
2118
2119 len = sizeof(linkspeed);
2120 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
2121 if (ret == 0) {
2122 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2123 sinfo->filled |= STATION_INFO_TX_BITRATE;
2124 }
2125
2126 len = sizeof(rssi);
2127 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2128 if (ret == 0) {
2129 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2130 sinfo->filled |= STATION_INFO_SIGNAL;
2131 }
2132}
2133
2134static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2135 u8 *mac, struct station_info *sinfo)
2136{
2137 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2138 struct usbnet *usbdev = priv->usbdev;
2139
2140 if (compare_ether_addr(priv->bssid, mac))
2141 return -ENOENT;
2142
2143 rndis_fill_station_info(usbdev, sinfo);
2144
2145 return 0;
2146}
2147
d695df90
JK		 2148static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2149 int idx, u8 *mac, struct station_info *sinfo)
2150{
2151 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2152 struct usbnet *usbdev = priv->usbdev;
2153
2154 if (idx != 0)
2155 return -ENOENT;
2156
2157 memcpy(mac, priv->bssid, ETH_ALEN);
2158
2159 rndis_fill_station_info(usbdev, sinfo);
2160
2161 return 0;
2162}
2163
c5c4fe90
JK		 2164/*
2165 * workers, indication handlers, device poller
2166 */
0848e6c6 2167static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
bf164cc0 2168{
5c52323e 2169 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
4364623c 2170 struct ndis_80211_assoc_info *info;
0848e6c6
JK		 2171 u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32];
2172 u8 bssid[ETH_ALEN];
5c52323e
JK		 2173 int resp_ie_len, req_ie_len;
2174 u8 *req_ie, *resp_ie;
4364623c 2175 int ret, offset;
5c52323e 2176 bool roamed = false;
bf164cc0 2177
5c52323e
JK		 2178 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2179 /* received media connect indication while connected, either
2180 * device reassociated with same AP or roamed to new. */
2181 roamed = true;
2182 }
0848e6c6 2183
5c52323e
JK		 2184 req_ie_len = 0;
2185 resp_ie_len = 0;
2186 req_ie = NULL;
2187 resp_ie = NULL;
2188
2189 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2190 memset(assoc_buf, 0, sizeof(assoc_buf));
2191 info = (void *)assoc_buf;
2192
2193 /* Get association info IEs from device and send them back to
2194 * userspace. */
2195 ret = get_association_info(usbdev, info, sizeof(assoc_buf));
2196 if (!ret) {
2197 req_ie_len = le32_to_cpu(info->req_ie_length);
2198 if (req_ie_len > 0) {
2199 offset = le32_to_cpu(info->offset_req_ies);
2200 req_ie = (u8 *)info + offset;
2201 }
2202
2203 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2204 if (resp_ie_len > 0) {
2205 offset = le32_to_cpu(info->offset_resp_ies);
2206 resp_ie = (u8 *)info + offset;
2207 }
4364623c 2208 }
5c52323e
JK		 2209 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2210 return;
4364623c 2211
5c52323e
JK		 2212 ret = get_bssid(usbdev, bssid);
2213 if (ret < 0)
2214 memset(bssid, 0, sizeof(bssid));
7834ddbc 2215
60b86755
JP		 2216 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2217 bssid, roamed ? " roamed" : "");
bf164cc0 2218
5c52323e
JK		 2219 /* Internal bss list in device always contains at least the currently
2220 * connected bss and we can get it to cfg80211 with
2221 * rndis_check_bssid_list().
2222 * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS
2223 * spec.
2224 */
2225 rndis_check_bssid_list(usbdev);
2226
2227 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2228 if (!roamed)
2229 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2230 req_ie_len, resp_ie,
2231 resp_ie_len, 0, GFP_KERNEL);
2232 else
2233 cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len,
2234 resp_ie, resp_ie_len, GFP_KERNEL);
2235 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2236 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2237
2238 priv->connected = true;
8b89a288 2239 memcpy(priv->bssid, bssid, ETH_ALEN);
6010ce07 2240
0848e6c6 2241 usbnet_resume_rx(usbdev);
5c52323e 2242 netif_carrier_on(usbdev->net);
0848e6c6
JK		 2243}
2244
2245static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2246{
2247 union iwreq_data evt;
2248
2249 netif_carrier_off(usbdev->net);
2250
2251 evt.data.flags = 0;
2252 evt.data.length = 0;
2253 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2254 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2255}
2256
2257static void rndis_wlan_worker(struct work_struct *work)
2258{
2259 struct rndis_wlan_private *priv =
2260 container_of(work, struct rndis_wlan_private, work);
2261 struct usbnet *usbdev = priv->usbdev;
2262
2263 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2264 rndis_wlan_do_link_up_work(usbdev);
2265
2266 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2267 rndis_wlan_do_link_down_work(usbdev);
2268
bf164cc0
JK		 2269 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2270 set_multicast_list(usbdev);
2271}
2272
582241a0 2273static void rndis_wlan_set_multicast_list(struct net_device *dev)
bf164cc0 2274{
524ad0a7 2275 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2276 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2277
a67edb9e
JK		 2278 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2279 return;
2280
bf164cc0
JK		 2281 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2282 queue_work(priv->workqueue, &priv->work);
2283}
2284
030645ac
JK		 2285static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2286 struct ndis_80211_status_indication *indication,
2287 int len)
2288{
2289 u8 *buf;
2290 const char *type;
a0f9ce2a 2291 int flags, buflen, key_id;
030645ac
JK		 2292 bool pairwise_error, group_error;
2293 struct ndis_80211_auth_request *auth_req;
a0f9ce2a 2294 enum nl80211_key_type key_type;
030645ac
JK		 2295
2296 /* must have at least one array entry */
2297 if (len < offsetof(struct ndis_80211_status_indication, u) +
2298 sizeof(struct ndis_80211_auth_request)) {
60b86755
JP		 2299 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2300 len);
030645ac
JK		 2301 return;
2302 }
2303
2304 buf = (void *)&indication->u.auth_request[0];
2305 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2306
2307 while (buflen >= sizeof(*auth_req)) {
2308 auth_req = (void *)buf;
2309 type = "unknown";
2310 flags = le32_to_cpu(auth_req->flags);
2311 pairwise_error = false;
2312 group_error = false;
2313
2314 if (flags & 0x1)
2315 type = "reauth request";
2316 if (flags & 0x2)
2317 type = "key update request";
2318 if (flags & 0x6) {
2319 pairwise_error = true;
2320 type = "pairwise_error";
2321 }
2322 if (flags & 0xe) {
2323 group_error = true;
2324 type = "group_error";
2325 }
2326
60b86755
JP		 2327 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2328 type, le32_to_cpu(auth_req->flags));
030645ac 2329
a0f9ce2a
JK		 2330 if (pairwise_error) {
2331 key_type = NL80211_KEYTYPE_PAIRWISE;
2332 key_id = -1;
030645ac 2333
a0f9ce2a
JK		 2334 cfg80211_michael_mic_failure(usbdev->net,
2335 auth_req->bssid,
2336 key_type, key_id, NULL,
2337 GFP_KERNEL);
2338 }
030645ac 2339
a0f9ce2a
JK		 2340 if (group_error) {
2341 key_type = NL80211_KEYTYPE_GROUP;
2342 key_id = -1;
030645ac 2343
a0f9ce2a
JK		 2344 cfg80211_michael_mic_failure(usbdev->net,
2345 auth_req->bssid,
2346 key_type, key_id, NULL,
2347 GFP_KERNEL);
030645ac
JK		 2348 }
2349
2350 buflen -= le32_to_cpu(auth_req->length);
2351 buf += le32_to_cpu(auth_req->length);
2352 }
2353}
2354
2355static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2356 struct ndis_80211_status_indication *indication,
2357 int len)
2358{
2359 struct ndis_80211_pmkid_cand_list *cand_list;
2360 int list_len, expected_len, i;
2361
2362 if (len < offsetof(struct ndis_80211_status_indication, u) +
2363 sizeof(struct ndis_80211_pmkid_cand_list)) {
60b86755
JP		 2364 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
2365 len);
030645ac
JK		 2366 return;
2367 }
2368
2369 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2370 sizeof(struct ndis_80211_pmkid_candidate);
2371 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2372 offsetof(struct ndis_80211_status_indication, u);
2373
2374 if (len < expected_len) {
60b86755
JP		 2375 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2376 len, expected_len);
030645ac
JK		 2377 return;
2378 }
2379
2380 cand_list = &indication->u.cand_list;
2381
60b86755
JP		 2382 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
2383 le32_to_cpu(cand_list->version),
2384 le32_to_cpu(cand_list->num_candidates));
030645ac
JK		 2385
2386 if (le32_to_cpu(cand_list->version) != 1)
2387 return;
2388
2389 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
030645ac
JK		 2390 struct ndis_80211_pmkid_candidate *cand =
2391 &cand_list->candidate_list[i];
2392
60b86755
JP		 2393 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, bssid: %pM\n",
2394 i, le32_to_cpu(cand->flags), cand->bssid);
030645ac 2395
21ec2d8d
JK		 2396#if 0
2397 struct iw_pmkid_cand pcand;
2398 union iwreq_data wrqu;
2399
030645ac
JK		 2400 memset(&pcand, 0, sizeof(pcand));
2401 if (le32_to_cpu(cand->flags) & 0x01)
2402 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2403 pcand.index = i;
2404 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2405
2406 memset(&wrqu, 0, sizeof(wrqu));
2407 wrqu.data.length = sizeof(pcand);
2408 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2409 (u8 *)&pcand);
21ec2d8d 2410#endif
030645ac
JK		 2411 }
2412}
2413
2414static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2415 struct rndis_indicate *msg, int buflen)
2416{
2417 struct ndis_80211_status_indication *indication;
2418 int len, offset;
2419
2420 offset = offsetof(struct rndis_indicate, status) +
2421 le32_to_cpu(msg->offset);
2422 len = le32_to_cpu(msg->length);
2423
2424 if (len < 8) {
60b86755
JP		 2425 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
2426 len);
030645ac
JK		 2427 return;
2428 }
2429
2430 if (offset + len > buflen) {
60b86755
JP		 2431 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
2432 offset + len, buflen);
030645ac
JK		 2433 return;
2434 }
2435
2436 indication = (void *)((u8 *)msg + offset);
2437
2438 switch (le32_to_cpu(indication->status_type)) {
2439 case NDIS_80211_STATUSTYPE_RADIOSTATE:
60b86755
JP		 2440 netdev_info(usbdev->net, "radio state indication: %i\n",
2441 le32_to_cpu(indication->u.radio_status));
030645ac
JK		 2442 return;
2443
2444 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
60b86755
JP		 2445 netdev_info(usbdev->net, "media stream mode indication: %i\n",
2446 le32_to_cpu(indication->u.media_stream_mode));
030645ac
JK		 2447 return;
2448
2449 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2450 rndis_wlan_auth_indication(usbdev, indication, len);
2451 return;
2452
2453 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2454 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2455 return;
2456
2457 default:
60b86755
JP		 2458 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
2459 le32_to_cpu(indication->status_type));
030645ac
JK		 2460 }
2461}
2462
2a4901bc 2463static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
bf164cc0 2464{
582241a0 2465 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2a4901bc 2466 struct rndis_indicate *msg = ind;
bf164cc0 2467
2a4901bc
JK		 2468 switch (msg->status) {
2469 case RNDIS_STATUS_MEDIA_CONNECT:
5f81ff5a
JK		 2470 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2471 /* OID_802_11_ADD_KEY causes sometimes extra
2472 * "media connect" indications which confuses driver
2473 * and userspace to think that device is
2474 * roaming/reassociating when it isn't.
2475 */
60b86755 2476 netdev_dbg(usbdev->net, "ignored OID_802_11_ADD_KEY triggered 'media connect'\n");
5f81ff5a
JK		 2477 return;
2478 }
2479
7834ddbc
JK		 2480 usbnet_pause_rx(usbdev);
2481
60b86755 2482 netdev_info(usbdev->net, "media connect\n");
2a4901bc 2483
030645ac 2484 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 2485 set_bit(WORK_LINK_UP, &priv->work_pending);
2486 queue_work(priv->workqueue, &priv->work);
2487 break;
2488
2489 case RNDIS_STATUS_MEDIA_DISCONNECT:
60b86755 2490 netdev_info(usbdev->net, "media disconnect\n");
2a4901bc 2491
030645ac 2492 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 2493 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2494 queue_work(priv->workqueue, &priv->work);
2495 break;
2496
030645ac
JK		 2497 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2498 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2499 break;
2500
2a4901bc 2501 default:
60b86755
JP		 2502 netdev_info(usbdev->net, "indication: 0x%08x\n",
2503 le32_to_cpu(msg->status));
2a4901bc
JK		 2504 break;
2505 }
bf164cc0
JK		 2506}
2507
582241a0 2508static int rndis_wlan_get_caps(struct usbnet *usbdev)
bf164cc0
JK		 2509{
2510 struct {
2511 __le32 num_items;
2512 __le32 items[8];
2513 } networks_supported;
2514 int len, retval, i, n;
582241a0 2515 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2516
bf164cc0
JK		 2517 /* determine supported modes */
2518 len = sizeof(networks_supported);
a19d7292 2519 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
bf164cc0
JK		 2520 &networks_supported, &len);
2521 if (retval >= 0) {
2522 n = le32_to_cpu(networks_supported.num_items);
2523 if (n > 8)
2524 n = 8;
2525 for (i = 0; i < n; i++) {
2526 switch (le32_to_cpu(networks_supported.items[i])) {
aa18294a
JK		 2527 case NDIS_80211_TYPE_FREQ_HOP:
2528 case NDIS_80211_TYPE_DIRECT_SEQ:
bf164cc0
JK		 2529 priv->caps |= CAP_MODE_80211B;
2530 break;
aa18294a 2531 case NDIS_80211_TYPE_OFDM_A:
bf164cc0
JK		 2532 priv->caps |= CAP_MODE_80211A;
2533 break;
aa18294a 2534 case NDIS_80211_TYPE_OFDM_G:
bf164cc0
JK		 2535 priv->caps |= CAP_MODE_80211G;
2536 break;
2537 }
2538 }
bf164cc0
JK		 2539 }
2540
2541 return retval;
2542}
2543
305e243e
JK		 2544#define DEVICE_POLLER_JIFFIES (HZ)
2545static void rndis_device_poller(struct work_struct *work)
bf164cc0 2546{
582241a0 2547 struct rndis_wlan_private *priv =
305e243e
JK		 2548 container_of(work, struct rndis_wlan_private,
2549 dev_poller_work.work);
bf164cc0 2550 struct usbnet *usbdev = priv->usbdev;
bf164cc0 2551 __le32 rssi, tmp;
a97b1f3d 2552 int len, ret, j;
305e243e 2553 int update_jiffies = DEVICE_POLLER_JIFFIES;
bf164cc0
JK		 2554 void *buf;
2555
8b89a288
JK		 2556 /* Only check/do workaround when connected. Calling is_associated()
2557 * also polls device with rndis_command() and catches for media link
2558 * indications.
2559 */
2560 if (!is_associated(usbdev))
bf164cc0 2561 goto end;
bf164cc0
JK		 2562
2563 len = sizeof(rssi);
2564 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
8b89a288
JK		 2565 if (ret == 0)
2566 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
bf164cc0 2567
60b86755
JP		 2568 netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
2569 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
bf164cc0 2570
a97b1f3d
JK		 2571 /* Workaround transfer stalls on poor quality links.
2572 * TODO: find right way to fix these stalls (as stalls do not happen
2573 * with ndiswrapper/windows driver). */
77593ae2 2574 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
bf164cc0
JK		 2575 /* Decrease stats worker interval to catch stalls.
2576 * faster. Faster than 400-500ms causes packet loss,
2577 * Slower doesn't catch stalls fast enough.
2578 */
2579 j = msecs_to_jiffies(priv->param_workaround_interval);
305e243e
JK		 2580 if (j > DEVICE_POLLER_JIFFIES)
2581 j = DEVICE_POLLER_JIFFIES;
bf164cc0
JK		 2582 else if (j <= 0)
2583 j = 1;
2584 update_jiffies = j;
2585
2586 /* Send scan OID. Use of both OIDs is required to get device
2587 * working.
2588 */
35c26c2c 2589 tmp = cpu_to_le32(1);
bf164cc0
JK		 2590 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2591 sizeof(tmp));
2592
2593 len = CONTROL_BUFFER_SIZE;
2594 buf = kmalloc(len, GFP_KERNEL);
2595 if (!buf)
2596 goto end;
2597
2598 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2599 kfree(buf);
2600 }
bf164cc0 2601
305e243e 2602end:
bf164cc0
JK		 2603 if (update_jiffies >= HZ)
2604 update_jiffies = round_jiffies_relative(update_jiffies);
2605 else {
2606 j = round_jiffies_relative(update_jiffies);
2607 if (abs(j - update_jiffies) <= 10)
2608 update_jiffies = j;
2609 }
2610
305e243e
JK		 2611 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
2612 update_jiffies);
bf164cc0
JK		 2613}
2614
c5c4fe90
JK		 2615/*
2616 * driver/device initialization
2617 */
cef6e912 2618static void rndis_copy_module_params(struct usbnet *usbdev)
bf164cc0 2619{
582241a0 2620 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2621
2622 priv->param_country[0] = modparam_country[0];
2623 priv->param_country[1] = modparam_country[1];
2624 priv->param_country[2] = 0;
2625 priv->param_frameburst = modparam_frameburst;
2626 priv->param_afterburner = modparam_afterburner;
2627 priv->param_power_save = modparam_power_save;
2628 priv->param_power_output = modparam_power_output;
2629 priv->param_roamtrigger = modparam_roamtrigger;
2630 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 2631
2632 priv->param_country[0] = toupper(priv->param_country[0]);
2633 priv->param_country[1] = toupper(priv->param_country[1]);
2634 /* doesn't support EU as country code, use FI instead */
2635 if (!strcmp(priv->param_country, "EU"))
2636 strcpy(priv->param_country, "FI");
2637
2638 if (priv->param_power_save < 0)
2639 priv->param_power_save = 0;
2640 else if (priv->param_power_save > 2)
2641 priv->param_power_save = 2;
2642
a7624837
JK		 2643 if (priv->param_power_output < 0)
2644 priv->param_power_output = 0;
2645 else if (priv->param_power_output > 3)
2646 priv->param_power_output = 3;
2647
bf164cc0
JK		 2648 if (priv->param_roamtrigger < -80)
2649 priv->param_roamtrigger = -80;
2650 else if (priv->param_roamtrigger > -60)
2651 priv->param_roamtrigger = -60;
2652
2653 if (priv->param_roamdelta < 0)
2654 priv->param_roamdelta = 0;
2655 else if (priv->param_roamdelta > 2)
2656 priv->param_roamdelta = 2;
2657
4d381ffb 2658 if (modparam_workaround_interval < 0)
bf164cc0 2659 priv->param_workaround_interval = 500;
4d381ffb
RK		 2660 else
2661 priv->param_workaround_interval = modparam_workaround_interval;
cef6e912
JK		 2662}
2663
2664static int bcm4320a_early_init(struct usbnet *usbdev)
2665{
6e850af5
JK		 2666 /* copy module parameters for bcm4320a so that iwconfig reports txpower
2667 * and workaround parameter is copied to private structure correctly.
2668 */
2669 rndis_copy_module_params(usbdev);
2670
cef6e912
JK		 2671 /* bcm4320a doesn't handle configuration parameters well. Try
2672 * set any and you get partially zeroed mac and broken device.
2673 */
2674
2675 return 0;
2676}
2677
2678static int bcm4320b_early_init(struct usbnet *usbdev)
2679{
2680 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2681 char buf[8];
2682
2683 rndis_copy_module_params(usbdev);
2684
2685 /* Early initialization settings, setting these won't have effect
2686 * if called after generic_rndis_bind().
2687 */
bf164cc0 2688
a19d7292
JK		 2689 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2690 rndis_set_config_parameter_str(usbdev, "FrameBursting",
bf164cc0 2691 priv->param_frameburst ? "1" : "0");
a19d7292 2692 rndis_set_config_parameter_str(usbdev, "Afterburner",
bf164cc0
JK		 2693 priv->param_afterburner ? "1" : "0");
2694 sprintf(buf, "%d", priv->param_power_save);
a19d7292 2695 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
bf164cc0 2696 sprintf(buf, "%d", priv->param_power_output);
a19d7292 2697 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
bf164cc0 2698 sprintf(buf, "%d", priv->param_roamtrigger);
a19d7292 2699 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
bf164cc0 2700 sprintf(buf, "%d", priv->param_roamdelta);
a19d7292 2701 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
bf164cc0
JK		 2702
2703 return 0;
2704}
2705
23d12e2b 2706/* same as rndis_netdev_ops but with local multicast handler */
582241a0 2707static const struct net_device_ops rndis_wlan_netdev_ops = {
23d12e2b
DM		 2708 .ndo_open = usbnet_open,
2709 .ndo_stop = usbnet_stop,
2710 .ndo_start_xmit = usbnet_start_xmit,
2711 .ndo_tx_timeout = usbnet_tx_timeout,
2712 .ndo_set_mac_address = eth_mac_addr,
2713 .ndo_validate_addr = eth_validate_addr,
582241a0 2714 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
23d12e2b
DM		 2715};
2716
582241a0 2717static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 2718{
5c8fa4f7 2719 struct wiphy *wiphy;
582241a0 2720 struct rndis_wlan_private *priv;
bf164cc0
JK		 2721 int retval, len;
2722 __le32 tmp;
2723
5c8fa4f7
JL		 2724 /* allocate wiphy and rndis private data
2725 * NOTE: We only support a single virtual interface, so wiphy
2726 * and wireless_dev are somewhat synonymous for this device.
2727 */
582241a0 2728 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
5c8fa4f7 2729 if (!wiphy)
bf164cc0
JK		 2730 return -ENOMEM;
2731
5c8fa4f7
JL		 2732 priv = wiphy_priv(wiphy);
2733 usbdev->net->ieee80211_ptr = &priv->wdev;
2734 priv->wdev.wiphy = wiphy;
2735 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2736
bf164cc0 2737 /* These have to be initialized before calling generic_rndis_bind().
582241a0 2738 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
bf164cc0 2739 */
a19d7292 2740 usbdev->driver_priv = priv;
a19d7292 2741 priv->usbdev = usbdev;
bf164cc0
JK		 2742
2743 mutex_init(&priv->command_lock);
bf164cc0 2744
8d4d99ae
JK		 2745 /* because rndis_command() sleeps we need to use workqueue */
2746 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
582241a0 2747 INIT_WORK(&priv->work, rndis_wlan_worker);
305e243e 2748 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
8d4d99ae
JK		 2749 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2750
bf164cc0 2751 /* try bind rndis_host */
a19d7292 2752 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
bf164cc0
JK		 2753 if (retval < 0)
2754 goto fail;
2755
2756 /* generic_rndis_bind set packet filter to multicast_all+
2757 * promisc mode which doesn't work well for our devices (device
2758 * picks up rssi to closest station instead of to access point).
2759 *
2760 * rndis_host wants to avoid all OID as much as possible
582241a0 2761 * so do promisc/multicast handling in rndis_wlan.
bf164cc0 2762 */
582241a0 2763 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
23d12e2b 2764
bf164cc0 2765 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
a19d7292 2766 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
bf164cc0
JK		 2767 sizeof(tmp));
2768
2769 len = sizeof(tmp);
a19d7292
JK		 2770 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2771 &len);
bf164cc0
JK		 2772 priv->multicast_size = le32_to_cpu(tmp);
2773 if (retval < 0 || priv->multicast_size < 0)
2774 priv->multicast_size = 0;
2775 if (priv->multicast_size > 0)
a19d7292 2776 usbdev->net->flags |= IFF_MULTICAST;
bf164cc0 2777 else
a19d7292 2778 usbdev->net->flags &= ~IFF_MULTICAST;
bf164cc0 2779
5c8fa4f7
JL		 2780 /* fill-out wiphy structure and register w/ cfg80211 */
2781 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2782 wiphy->privid = rndis_wiphy_privid;
2783 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2784 | BIT(NL80211_IFTYPE_ADHOC);
2785 wiphy->max_scan_ssids = 1;
2786
4a7f13ee 2787 /* TODO: fill-out band/encr information based on priv->caps */
582241a0 2788 rndis_wlan_get_caps(usbdev);
5c8fa4f7
JL		 2789
2790 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2791 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2792 priv->band.channels = priv->channels;
2793 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2794 priv->band.bitrates = priv->rates;
2795 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2796 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
4d2a369e 2797 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
5c8fa4f7 2798
4a7f13ee
JK		 2799 memcpy(priv->cipher_suites, rndis_cipher_suites,
2800 sizeof(rndis_cipher_suites));
2801 wiphy->cipher_suites = priv->cipher_suites;
2802 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
2803
5c8fa4f7
JL		 2804 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2805
2806 if (wiphy_register(wiphy)) {
eb1a685e
JK		 2807 retval = -ENODEV;
2808 goto fail;
5c8fa4f7
JL		 2809 }
2810
a19d7292 2811 set_default_iw_params(usbdev);
bf164cc0 2812
d75ec2b7
JK		 2813 /* set default rts/frag */
2814 rndis_set_wiphy_params(wiphy,
2815 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2816
bf164cc0 2817 /* turn radio on */
051ae0bf
JK		 2818 priv->radio_on = true;
2819 disassociate(usbdev, true);
a19d7292 2820 netif_carrier_off(usbdev->net);
bf164cc0 2821
bf164cc0
JK		 2822 return 0;
2823
2824fail:
305e243e 2825 cancel_delayed_work_sync(&priv->dev_poller_work);
8d4d99ae
JK		 2826 cancel_delayed_work_sync(&priv->scan_work);
2827 cancel_work_sync(&priv->work);
2828 flush_workqueue(priv->workqueue);
2829 destroy_workqueue(priv->workqueue);
2830
eb1a685e 2831 wiphy_free(wiphy);
bf164cc0
JK		 2832 return retval;
2833}
2834
582241a0 2835static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 2836{
582241a0 2837 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 2838
2839 /* turn radio off */
051ae0bf 2840 disassociate(usbdev, false);
bf164cc0 2841
305e243e 2842 cancel_delayed_work_sync(&priv->dev_poller_work);
71a7b26d 2843 cancel_delayed_work_sync(&priv->scan_work);
bf164cc0
JK		 2844 cancel_work_sync(&priv->work);
2845 flush_workqueue(priv->workqueue);
2846 destroy_workqueue(priv->workqueue);
2847
2848 if (priv && priv->wpa_ie_len)
2849 kfree(priv->wpa_ie);
bf164cc0 2850
a19d7292 2851 rndis_unbind(usbdev, intf);
5c8fa4f7
JL		 2852
2853 wiphy_unregister(priv->wdev.wiphy);
2854 wiphy_free(priv->wdev.wiphy);
bf164cc0
JK		 2855}
2856
582241a0 2857static int rndis_wlan_reset(struct usbnet *usbdev)
bf164cc0 2858{
110736de 2859 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
7eaab708 2860 int retval;
110736de 2861
60b86755 2862 netdev_dbg(usbdev->net, "%s()\n", __func__);
110736de 2863
7eaab708
JK		 2864 retval = rndis_reset(usbdev);
2865 if (retval)
60b86755 2866 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
7eaab708 2867
e5a11a82
JK		 2868 /* rndis_reset cleared multicast list, so restore here.
2869 (set_multicast_list() also turns on current packet filter) */
7eaab708
JK		 2870 set_multicast_list(usbdev);
2871
305e243e
JK		 2872 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
2873 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
110736de 2874
a19d7292 2875 return deauthenticate(usbdev);
bf164cc0
JK		 2876}
2877
222ec50a
JK		 2878static int rndis_wlan_stop(struct usbnet *usbdev)
2879{
110736de
JK		 2880 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2881 int retval;
e5a11a82 2882 __le32 filter;
110736de 2883
60b86755 2884 netdev_dbg(usbdev->net, "%s()\n", __func__);
110736de 2885
051ae0bf 2886 retval = disassociate(usbdev, false);
110736de
JK		 2887
2888 priv->work_pending = 0;
305e243e 2889 cancel_delayed_work_sync(&priv->dev_poller_work);
110736de
JK		 2890 cancel_delayed_work_sync(&priv->scan_work);
2891 cancel_work_sync(&priv->work);
2892 flush_workqueue(priv->workqueue);
2893
005ba2f1
JK		 2894 if (priv->scan_request) {
2895 cfg80211_scan_done(priv->scan_request, true);
2896 priv->scan_request = NULL;
2897 }
2898
e5a11a82
JK		 2899 /* Set current packet filter zero to block receiving data packets from
2900 device. */
2901 filter = 0;
2902 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
2903 sizeof(filter));
2904
110736de 2905 return retval;
222ec50a
JK		 2906}
2907
bf164cc0
JK		 2908static const struct driver_info bcm4320b_info = {
2909 .description = "Wireless RNDIS device, BCM4320b based",
1487cd5e
JK		 2910 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2911 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 2912 .bind = rndis_wlan_bind,
2913 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 2914 .status = rndis_status,
2915 .rx_fixup = rndis_rx_fixup,
2916 .tx_fixup = rndis_tx_fixup,
582241a0 2917 .reset = rndis_wlan_reset,
222ec50a 2918 .stop = rndis_wlan_stop,
59620e9f 2919 .early_init = bcm4320b_early_init,
2a4901bc 2920 .indication = rndis_wlan_indication,
bf164cc0
JK		 2921};
2922
2923static const struct driver_info bcm4320a_info = {
2924 .description = "Wireless RNDIS device, BCM4320a based",
1487cd5e
JK		 2925 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2926 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 2927 .bind = rndis_wlan_bind,
2928 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 2929 .status = rndis_status,
2930 .rx_fixup = rndis_rx_fixup,
2931 .tx_fixup = rndis_tx_fixup,
582241a0 2932 .reset = rndis_wlan_reset,
222ec50a 2933 .stop = rndis_wlan_stop,
59620e9f 2934 .early_init = bcm4320a_early_init,
2a4901bc 2935 .indication = rndis_wlan_indication,
bf164cc0
JK		 2936};
2937
582241a0 2938static const struct driver_info rndis_wlan_info = {
bf164cc0 2939 .description = "Wireless RNDIS device",
1487cd5e
JK		 2940 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2941 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 2942 .bind = rndis_wlan_bind,
2943 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 2944 .status = rndis_status,
2945 .rx_fixup = rndis_rx_fixup,
2946 .tx_fixup = rndis_tx_fixup,
582241a0 2947 .reset = rndis_wlan_reset,
222ec50a 2948 .stop = rndis_wlan_stop,
59620e9f 2949 .early_init = bcm4320a_early_init,
2a4901bc 2950 .indication = rndis_wlan_indication,
bf164cc0
JK		 2951};
2952
2953/*-------------------------------------------------------------------------*/
2954
2955static const struct usb_device_id products [] = {
2956#define RNDIS_MASTER_INTERFACE \
2957 .bInterfaceClass = USB_CLASS_COMM, \
2958 .bInterfaceSubClass = 2 /* ACM */, \
2959 .bInterfaceProtocol = 0x0ff
2960
2961/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2962 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2963 */
2964{
2965 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2966 | USB_DEVICE_ID_MATCH_DEVICE,
2967 .idVendor = 0x0411,
2968 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2969 RNDIS_MASTER_INTERFACE,
2970 .driver_info = (unsigned long) &bcm4320b_info,
2971}, {
2972 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2973 | USB_DEVICE_ID_MATCH_DEVICE,
2974 .idVendor = 0x0baf,
2975 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2976 RNDIS_MASTER_INTERFACE,
2977 .driver_info = (unsigned long) &bcm4320b_info,
2978}, {
2979 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2980 | USB_DEVICE_ID_MATCH_DEVICE,
2981 .idVendor = 0x050d,
2982 .idProduct = 0x011b, /* Belkin F5D7051 */
2983 RNDIS_MASTER_INTERFACE,
2984 .driver_info = (unsigned long) &bcm4320b_info,
2985}, {
2986 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2987 | USB_DEVICE_ID_MATCH_DEVICE,
2988 .idVendor = 0x1799, /* Belkin has two vendor ids */
2989 .idProduct = 0x011b, /* Belkin F5D7051 */
2990 RNDIS_MASTER_INTERFACE,
2991 .driver_info = (unsigned long) &bcm4320b_info,
2992}, {
2993 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2994 | USB_DEVICE_ID_MATCH_DEVICE,
2995 .idVendor = 0x13b1,
2996 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2997 RNDIS_MASTER_INTERFACE,
2998 .driver_info = (unsigned long) &bcm4320b_info,
2999}, {
3000 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3001 | USB_DEVICE_ID_MATCH_DEVICE,
3002 .idVendor = 0x13b1,
3003 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3004 RNDIS_MASTER_INTERFACE,
3005 .driver_info = (unsigned long) &bcm4320b_info,
3006}, {
3007 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3008 | USB_DEVICE_ID_MATCH_DEVICE,
3009 .idVendor = 0x0b05,
3010 .idProduct = 0x1717, /* Asus WL169gE */
3011 RNDIS_MASTER_INTERFACE,
3012 .driver_info = (unsigned long) &bcm4320b_info,
3013}, {
3014 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3015 | USB_DEVICE_ID_MATCH_DEVICE,
3016 .idVendor = 0x0a5c,
3017 .idProduct = 0xd11b, /* Eminent EM4045 */
3018 RNDIS_MASTER_INTERFACE,
3019 .driver_info = (unsigned long) &bcm4320b_info,
3020}, {
3021 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3022 | USB_DEVICE_ID_MATCH_DEVICE,
3023 .idVendor = 0x1690,
3024 .idProduct = 0x0715, /* BT Voyager 1055 */
3025 RNDIS_MASTER_INTERFACE,
3026 .driver_info = (unsigned long) &bcm4320b_info,
3027},
3028/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3029 * parameters available, hardware probably contain older firmware version with
3030 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3031 */
3032{
3033 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3034 | USB_DEVICE_ID_MATCH_DEVICE,
3035 .idVendor = 0x13b1,
3036 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3037 RNDIS_MASTER_INTERFACE,
3038 .driver_info = (unsigned long) &bcm4320a_info,
3039}, {
3040 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3041 | USB_DEVICE_ID_MATCH_DEVICE,
3042 .idVendor = 0x0baf,
3043 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3044 RNDIS_MASTER_INTERFACE,
3045 .driver_info = (unsigned long) &bcm4320a_info,
3046}, {
3047 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3048 | USB_DEVICE_ID_MATCH_DEVICE,
3049 .idVendor = 0x0411,
3050 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3051 RNDIS_MASTER_INTERFACE,
3052 .driver_info = (unsigned long) &bcm4320a_info,
3053},
3054/* Generic Wireless RNDIS devices that we don't have exact
3055 * idVendor/idProduct/chip yet.
3056 */
3057{
3058 /* RNDIS is MSFT's un-official variant of CDC ACM */
3059 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
582241a0 3060 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3061}, {
3062 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3063 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
582241a0 3064 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3065},
3066 { }, // END
3067};
3068MODULE_DEVICE_TABLE(usb, products);
3069
3070static struct usb_driver rndis_wlan_driver = {
3071 .name = "rndis_wlan",
3072 .id_table = products,
3073 .probe = usbnet_probe,
3074 .disconnect = usbnet_disconnect,
3075 .suspend = usbnet_suspend,
3076 .resume = usbnet_resume,
3077};
3078
3079static int __init rndis_wlan_init(void)
3080{
3081 return usb_register(&rndis_wlan_driver);
3082}
3083module_init(rndis_wlan_init);
3084
3085static void __exit rndis_wlan_exit(void)
3086{
3087 usb_deregister(&rndis_wlan_driver);
3088}
3089module_exit(rndis_wlan_exit);
3090
3091MODULE_AUTHOR("Bjorge Dijkstra");
3092MODULE_AUTHOR("Jussi Kivilinna");
3093MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3094MODULE_LICENSE("GPL");
3095
Clone of davem's net-next-2.6 tree