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cfg80211: clean up includes
[deliverable/linux.git] / drivers / net / wireless / rndis_wlan.c
CommitLineData
bf164cc0
JK		 1/*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
5 * Copyright (C) 2008 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
24 */
25
26// #define DEBUG // error path messages, extra info
27// #define VERBOSE // more; success messages
28
29#include <linux/module.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/ethtool.h>
34#include <linux/workqueue.h>
35#include <linux/mutex.h>
36#include <linux/mii.h>
37#include <linux/usb.h>
38#include <linux/usb/cdc.h>
39#include <linux/wireless.h>
2c706002 40#include <linux/ieee80211.h>
bf164cc0
JK		 41#include <linux/if_arp.h>
42#include <linux/ctype.h>
43#include <linux/spinlock.h>
44#include <net/iw_handler.h>
5c8fa4f7 45#include <net/cfg80211.h>
bf164cc0
JK		 46#include <linux/usb/usbnet.h>
47#include <linux/usb/rndis_host.h>
48
49
50/* NOTE: All these are settings for Broadcom chipset */
51static char modparam_country[4] = "EU";
52module_param_string(country, modparam_country, 4, 0444);
53MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
54
55static int modparam_frameburst = 1;
56module_param_named(frameburst, modparam_frameburst, int, 0444);
57MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
58
59static int modparam_afterburner = 0;
60module_param_named(afterburner, modparam_afterburner, int, 0444);
61MODULE_PARM_DESC(afterburner,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
63
64static int modparam_power_save = 0;
65module_param_named(power_save, modparam_power_save, int, 0444);
66MODULE_PARM_DESC(power_save,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
68
69static int modparam_power_output = 3;
70module_param_named(power_output, modparam_power_output, int, 0444);
71MODULE_PARM_DESC(power_output,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
73
74static int modparam_roamtrigger = -70;
75module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
76MODULE_PARM_DESC(roamtrigger,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
79
80static int modparam_roamdelta = 1;
81module_param_named(roamdelta, modparam_roamdelta, int, 0444);
82MODULE_PARM_DESC(roamdelta,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
85
86static int modparam_workaround_interval = 500;
87module_param_named(workaround_interval, modparam_workaround_interval,
88 int, 0444);
89MODULE_PARM_DESC(workaround_interval,
90 "set stall workaround interval in msecs (default: 500)");
91
92
93/* various RNDIS OID defs */
35c26c2c
HH		 94#define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
95#define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
96
97#define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
98#define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
99#define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
100#define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
101#define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
102
103#define OID_802_3_PERMANENT_ADDRESS cpu_to_le32(0x01010101)
104#define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
105#define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
106#define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
107
108#define OID_802_11_BSSID cpu_to_le32(0x0d010101)
109#define OID_802_11_SSID cpu_to_le32(0x0d010102)
110#define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
111#define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
112#define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
113#define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
114#define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
115#define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
116#define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
117#define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
118#define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
119#define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
120#define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
121#define OID_802_11_PMKID cpu_to_le32(0x0d010123)
122#define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
123#define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
124#define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
125#define OID_802_11_RSSI cpu_to_le32(0x0d010206)
126#define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
127#define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
128#define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
129#define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
130#define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
131#define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
bf164cc0
JK		 132
133
134/* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
135#define WL_NOISE -96 /* typical noise level in dBm */
136#define WL_SIGMAX -32 /* typical maximum signal level in dBm */
137
138
139/* Assume that Broadcom 4320 (only chipset at time of writing known to be
140 * based on wireless rndis) has default txpower of 13dBm.
141 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
142 * 13dBm == 19.9mW
143 */
144#define BCM4320_DEFAULT_TXPOWER 20
145
146
147/* codes for "status" field of completion messages */
35c26c2c
HH		 148#define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
149#define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
bf164cc0
JK		 150
151
152/* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
153 * slightly modified for datatype endianess, etc
154 */
155#define NDIS_802_11_LENGTH_SSID 32
156#define NDIS_802_11_LENGTH_RATES 8
157#define NDIS_802_11_LENGTH_RATES_EX 16
158
1e41e1d2
JK		 159enum ndis_80211_net_type {
160 ndis_80211_type_freq_hop,
161 ndis_80211_type_direct_seq,
162 ndis_80211_type_ofdm_a,
163 ndis_80211_type_ofdm_g
164};
165
166enum ndis_80211_net_infra {
167 ndis_80211_infra_adhoc,
168 ndis_80211_infra_infra,
169 ndis_80211_infra_auto_unknown
170};
171
172enum ndis_80211_auth_mode {
173 ndis_80211_auth_open,
174 ndis_80211_auth_shared,
175 ndis_80211_auth_auto_switch,
176 ndis_80211_auth_wpa,
177 ndis_80211_auth_wpa_psk,
178 ndis_80211_auth_wpa_none,
179 ndis_80211_auth_wpa2,
180 ndis_80211_auth_wpa2_psk
181};
182
183enum ndis_80211_encr_status {
184 ndis_80211_encr_wep_enabled,
185 ndis_80211_encr_disabled,
186 ndis_80211_encr_wep_key_absent,
187 ndis_80211_encr_not_supported,
188 ndis_80211_encr_tkip_enabled,
189 ndis_80211_encr_tkip_key_absent,
190 ndis_80211_encr_ccmp_enabled,
191 ndis_80211_encr_ccmp_key_absent
192};
193
194enum ndis_80211_priv_filter {
195 ndis_80211_priv_accept_all,
196 ndis_80211_priv_8021x_wep
197};
198
199struct ndis_80211_ssid {
461b3f2a
JK		 200 __le32 length;
201 u8 essid[NDIS_802_11_LENGTH_SSID];
bf164cc0
JK		 202} __attribute__((packed));
203
1e41e1d2 204struct ndis_80211_conf_freq_hop {
461b3f2a
JK		 205 __le32 length;
206 __le32 hop_pattern;
207 __le32 hop_set;
208 __le32 dwell_time;
bf164cc0
JK		 209} __attribute__((packed));
210
1e41e1d2 211struct ndis_80211_conf {
461b3f2a
JK		 212 __le32 length;
213 __le32 beacon_period;
214 __le32 atim_window;
215 __le32 ds_config;
216 struct ndis_80211_conf_freq_hop fh_config;
bf164cc0
JK		 217} __attribute__((packed));
218
1e41e1d2 219struct ndis_80211_bssid_ex {
461b3f2a
JK		 220 __le32 length;
221 u8 mac[6];
222 u8 padding[2];
223 struct ndis_80211_ssid ssid;
224 __le32 privacy;
225 __le32 rssi;
226 __le32 net_type;
227 struct ndis_80211_conf config;
228 __le32 net_infra;
229 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
230 __le32 ie_length;
231 u8 ies[0];
bf164cc0
JK		 232} __attribute__((packed));
233
1e41e1d2 234struct ndis_80211_bssid_list_ex {
461b3f2a
JK		 235 __le32 num_items;
236 struct ndis_80211_bssid_ex bssid[0];
bf164cc0
JK		 237} __attribute__((packed));
238
1e41e1d2 239struct ndis_80211_fixed_ies {
461b3f2a
JK		 240 u8 timestamp[8];
241 __le16 beacon_interval;
242 __le16 capabilities;
bf164cc0
JK		 243} __attribute__((packed));
244
1e41e1d2 245struct ndis_80211_wep_key {
461b3f2a
JK		 246 __le32 size;
247 __le32 index;
248 __le32 length;
249 u8 material[32];
bf164cc0
JK		 250} __attribute__((packed));
251
1e41e1d2 252struct ndis_80211_key {
461b3f2a
JK		 253 __le32 size;
254 __le32 index;
255 __le32 length;
256 u8 bssid[6];
257 u8 padding[6];
258 u8 rsc[8];
259 u8 material[32];
bf164cc0
JK		 260} __attribute__((packed));
261
1e41e1d2 262struct ndis_80211_remove_key {
461b3f2a
JK		 263 __le32 size;
264 __le32 index;
265 u8 bssid[6];
bf164cc0
JK		 266} __attribute__((packed));
267
1e41e1d2 268struct ndis_config_param {
461b3f2a
JK		 269 __le32 name_offs;
270 __le32 name_length;
271 __le32 type;
272 __le32 value_offs;
273 __le32 value_length;
bf164cc0
JK		 274} __attribute__((packed));
275
4364623c
SA		 276struct ndis_80211_assoc_info {
277 __le32 length;
278 __le16 req_ies;
279 struct req_ie {
280 __le16 capa;
281 __le16 listen_interval;
282 u8 cur_ap_address[6];
283 } req_ie;
284 __le32 req_ie_length;
285 __le32 offset_req_ies;
286 __le16 resp_ies;
287 struct resp_ie {
288 __le16 capa;
289 __le16 status_code;
290 __le16 assoc_id;
291 } resp_ie;
292 __le32 resp_ie_length;
293 __le32 offset_resp_ies;
294} __attribute__((packed));
295
bf164cc0 296/* these have to match what is in wpa_supplicant */
5b0acc64
JB		 297enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
298enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
299 CIPHER_WEP104 };
300enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
301 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
bf164cc0
JK		 302
303/*
304 * private data
305 */
306#define NET_TYPE_11FB 0
307
308#define CAP_MODE_80211A 1
309#define CAP_MODE_80211B 2
310#define CAP_MODE_80211G 4
311#define CAP_MODE_MASK 7
312#define CAP_SUPPORT_TXPOWER 8
313
6010ce07
JK		 314#define WORK_LINK_UP (1<<0)
315#define WORK_LINK_DOWN (1<<1)
316#define WORK_SET_MULTICAST_LIST (1<<2)
bf164cc0 317
90d07349
JK		 318#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
319
5c8fa4f7
JL		 320static const struct ieee80211_channel rndis_channels[] = {
321 { .center_freq = 2412 },
322 { .center_freq = 2417 },
323 { .center_freq = 2422 },
324 { .center_freq = 2427 },
325 { .center_freq = 2432 },
326 { .center_freq = 2437 },
327 { .center_freq = 2442 },
328 { .center_freq = 2447 },
329 { .center_freq = 2452 },
330 { .center_freq = 2457 },
331 { .center_freq = 2462 },
332 { .center_freq = 2467 },
333 { .center_freq = 2472 },
334 { .center_freq = 2484 },
335};
336
337static const struct ieee80211_rate rndis_rates[] = {
338 { .bitrate = 10 },
339 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
340 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
341 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
342 { .bitrate = 60 },
343 { .bitrate = 90 },
344 { .bitrate = 120 },
345 { .bitrate = 180 },
346 { .bitrate = 240 },
347 { .bitrate = 360 },
348 { .bitrate = 480 },
349 { .bitrate = 540 }
350};
351
bf164cc0
JK		 352/* RNDIS device private data */
353struct rndis_wext_private {
bf164cc0
JK		 354 struct usbnet *usbdev;
355
5c8fa4f7
JL		 356 struct wireless_dev wdev;
357
71a7b26d
JK		 358 struct cfg80211_scan_request *scan_request;
359
bf164cc0
JK		 360 struct workqueue_struct *workqueue;
361 struct delayed_work stats_work;
71a7b26d 362 struct delayed_work scan_work;
bf164cc0
JK		 363 struct work_struct work;
364 struct mutex command_lock;
365 spinlock_t stats_lock;
366 unsigned long work_pending;
367
5c8fa4f7
JL		 368 struct ieee80211_supported_band band;
369 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
370 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
371
bf164cc0
JK		 372 struct iw_statistics iwstats;
373 struct iw_statistics privstats;
374
375 int nick_len;
376 char nick[32];
377
378 int caps;
379 int multicast_size;
380
381 /* module parameters */
382 char param_country[4];
383 int param_frameburst;
384 int param_afterburner;
385 int param_power_save;
386 int param_power_output;
387 int param_roamtrigger;
388 int param_roamdelta;
389 u32 param_workaround_interval;
390
391 /* hardware state */
392 int radio_on;
393 int infra_mode;
1e41e1d2 394 struct ndis_80211_ssid essid;
bf164cc0
JK		 395
396 /* encryption stuff */
397 int encr_tx_key_index;
398 char encr_keys[4][32];
399 int encr_key_len[4];
400 int wpa_version;
401 int wpa_keymgmt;
402 int wpa_authalg;
403 int wpa_ie_len;
404 u8 *wpa_ie;
405 int wpa_cipher_pair;
406 int wpa_cipher_group;
90d07349
JK		 407
408 u8 command_buffer[COMMAND_BUFFER_SIZE];
bf164cc0
JK		 409};
410
964c1d41
JL		 411/*
412 * cfg80211 ops
413 */
414static int rndis_change_virtual_intf(struct wiphy *wiphy, int ifindex,
415 enum nl80211_iftype type, u32 *flags,
416 struct vif_params *params);
417
71a7b26d
JK		 418static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
419 struct cfg80211_scan_request *request);
420
964c1d41
JL		 421struct cfg80211_ops rndis_config_ops = {
422 .change_virtual_intf = rndis_change_virtual_intf,
71a7b26d 423 .scan = rndis_scan,
964c1d41 424};
bf164cc0 425
5c8fa4f7 426void *rndis_wiphy_privid = &rndis_wiphy_privid;
bf164cc0
JK		 427
428static const int bcm4320_power_output[4] = { 25, 50, 75, 100 };
429
430static const unsigned char zero_bssid[ETH_ALEN] = {0,};
431static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
432 0xff, 0xff, 0xff };
433
434
435static struct rndis_wext_private *get_rndis_wext_priv(struct usbnet *dev)
436{
437 return (struct rndis_wext_private *)dev->driver_priv;
438}
439
440
441static u32 get_bcm4320_power(struct rndis_wext_private *priv)
442{
443 return BCM4320_DEFAULT_TXPOWER *
444 bcm4320_power_output[priv->param_power_output] / 100;
445}
446
447
448/* translate error code */
449static int rndis_error_status(__le32 rndis_status)
450{
451 int ret = -EINVAL;
452 switch (rndis_status) {
453 case RNDIS_STATUS_SUCCESS:
454 ret = 0;
455 break;
456 case RNDIS_STATUS_FAILURE:
457 case RNDIS_STATUS_INVALID_DATA:
458 ret = -EINVAL;
459 break;
460 case RNDIS_STATUS_NOT_SUPPORTED:
461 ret = -EOPNOTSUPP;
462 break;
463 case RNDIS_STATUS_ADAPTER_NOT_READY:
464 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
465 ret = -EBUSY;
466 break;
467 }
468 return ret;
469}
470
471
472static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
473{
474 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
475 union {
476 void *buf;
477 struct rndis_msg_hdr *header;
478 struct rndis_query *get;
479 struct rndis_query_c *get_c;
480 } u;
481 int ret, buflen;
482
483 buflen = *len + sizeof(*u.get);
484 if (buflen < CONTROL_BUFFER_SIZE)
485 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 486
487 if (buflen > COMMAND_BUFFER_SIZE) {
488 u.buf = kmalloc(buflen, GFP_KERNEL);
489 if (!u.buf)
490 return -ENOMEM;
491 } else {
492 u.buf = priv->command_buffer;
493 }
494
495 mutex_lock(&priv->command_lock);
496
bf164cc0
JK		 497 memset(u.get, 0, sizeof *u.get);
498 u.get->msg_type = RNDIS_MSG_QUERY;
35c26c2c 499 u.get->msg_len = cpu_to_le32(sizeof *u.get);
bf164cc0
JK		 500 u.get->oid = oid;
501
818727ba 502 ret = rndis_command(dev, u.header, buflen);
bf164cc0
JK		 503 if (ret == 0) {
504 ret = le32_to_cpu(u.get_c->len);
505 *len = (*len > ret) ? ret : *len;
506 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
507 ret = rndis_error_status(u.get_c->status);
508 }
509
90d07349
JK		 510 mutex_unlock(&priv->command_lock);
511
512 if (u.buf != priv->command_buffer)
513 kfree(u.buf);
bf164cc0
JK		 514 return ret;
515}
516
517
518static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
519{
520 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
521 union {
522 void *buf;
523 struct rndis_msg_hdr *header;
524 struct rndis_set *set;
525 struct rndis_set_c *set_c;
526 } u;
527 int ret, buflen;
528
529 buflen = len + sizeof(*u.set);
530 if (buflen < CONTROL_BUFFER_SIZE)
531 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 532
533 if (buflen > COMMAND_BUFFER_SIZE) {
534 u.buf = kmalloc(buflen, GFP_KERNEL);
535 if (!u.buf)
536 return -ENOMEM;
537 } else {
538 u.buf = priv->command_buffer;
539 }
540
541 mutex_lock(&priv->command_lock);
bf164cc0
JK		 542
543 memset(u.set, 0, sizeof *u.set);
544 u.set->msg_type = RNDIS_MSG_SET;
545 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
546 u.set->oid = oid;
547 u.set->len = cpu_to_le32(len);
35c26c2c
HH		 548 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
549 u.set->handle = cpu_to_le32(0);
bf164cc0
JK		 550 memcpy(u.buf + sizeof(*u.set), data, len);
551
818727ba 552 ret = rndis_command(dev, u.header, buflen);
bf164cc0
JK		 553 if (ret == 0)
554 ret = rndis_error_status(u.set_c->status);
555
90d07349
JK		 556 mutex_unlock(&priv->command_lock);
557
558 if (u.buf != priv->command_buffer)
559 kfree(u.buf);
bf164cc0
JK		 560 return ret;
561}
562
563
564/*
565 * Specs say that we can only set config parameters only soon after device
566 * initialization.
567 * value_type: 0 = u32, 2 = unicode string
568 */
569static int rndis_set_config_parameter(struct usbnet *dev, char *param,
570 int value_type, void *value)
571{
1e41e1d2 572 struct ndis_config_param *infobuf;
bf164cc0
JK		 573 int value_len, info_len, param_len, ret, i;
574 __le16 *unibuf;
575 __le32 *dst_value;
576
577 if (value_type == 0)
578 value_len = sizeof(__le32);
579 else if (value_type == 2)
580 value_len = strlen(value) * sizeof(__le16);
581 else
582 return -EINVAL;
583
584 param_len = strlen(param) * sizeof(__le16);
585 info_len = sizeof(*infobuf) + param_len + value_len;
586
587#ifdef DEBUG
588 info_len += 12;
589#endif
590 infobuf = kmalloc(info_len, GFP_KERNEL);
591 if (!infobuf)
592 return -ENOMEM;
593
594#ifdef DEBUG
595 info_len -= 12;
596 /* extra 12 bytes are for padding (debug output) */
597 memset(infobuf, 0xCC, info_len + 12);
598#endif
599
600 if (value_type == 2)
601 devdbg(dev, "setting config parameter: %s, value: %s",
602 param, (u8 *)value);
603 else
604 devdbg(dev, "setting config parameter: %s, value: %d",
605 param, *(u32 *)value);
606
461b3f2a
JK		 607 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
608 infobuf->name_length = cpu_to_le32(param_len);
609 infobuf->type = cpu_to_le32(value_type);
610 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
611 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 612
613 /* simple string to unicode string conversion */
614 unibuf = (void *)infobuf + sizeof(*infobuf);
615 for (i = 0; i < param_len / sizeof(__le16); i++)
616 unibuf[i] = cpu_to_le16(param[i]);
617
618 if (value_type == 2) {
619 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
620 for (i = 0; i < value_len / sizeof(__le16); i++)
621 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
622 } else {
623 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
624 *dst_value = cpu_to_le32(*(u32 *)value);
625 }
626
627#ifdef DEBUG
628 devdbg(dev, "info buffer (len: %d):", info_len);
629 for (i = 0; i < info_len; i += 12) {
630 u32 *tmp = (u32 *)((u8 *)infobuf + i);
631 devdbg(dev, "%08X:%08X:%08X",
632 cpu_to_be32(tmp[0]),
633 cpu_to_be32(tmp[1]),
634 cpu_to_be32(tmp[2]));
635 }
636#endif
637
638 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
639 infobuf, info_len);
640 if (ret != 0)
641 devdbg(dev, "setting rndis config paramater failed, %d.", ret);
642
643 kfree(infobuf);
644 return ret;
645}
646
647static int rndis_set_config_parameter_str(struct usbnet *dev,
648 char *param, char *value)
649{
650 return(rndis_set_config_parameter(dev, param, 2, value));
651}
652
653/*static int rndis_set_config_parameter_u32(struct usbnet *dev,
654 char *param, u32 value)
655{
656 return(rndis_set_config_parameter(dev, param, 0, &value));
657}*/
658
659
660/*
661 * data conversion functions
662 */
663static int level_to_qual(int level)
664{
665 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
666 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
667}
668
669
670static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
671{
672 freq->e = 0;
673 freq->i = 0;
674 freq->flags = 0;
675
676 /* see comment in wireless.h above the "struct iw_freq"
677 * definition for an explanation of this if
678 * NOTE: 1000000 is due to the kHz
679 */
680 if (dsconfig > 1000000) {
681 freq->m = dsconfig / 10;
682 freq->e = 1;
683 } else
684 freq->m = dsconfig;
685
686 /* convert from kHz to Hz */
687 freq->e += 3;
688}
689
690
691static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
692{
693 if (freq->m < 1000 && freq->e == 0) {
9ee677c2
DK		 694 if (freq->m >= 1 && freq->m <= 14)
695 *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
bf164cc0
JK		 696 else
697 return -1;
698 } else {
699 int i;
700 *dsconfig = freq->m;
701 for (i = freq->e; i > 0; i--)
702 *dsconfig *= 10;
703 *dsconfig /= 1000;
704 }
705
706 return 0;
707}
708
709
710/*
711 * common functions
712 */
713static int
714add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index);
715
1e41e1d2 716static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0
JK		 717{
718 int ret, len;
719
720 len = sizeof(*ssid);
721 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
722
723 if (ret != 0)
461b3f2a 724 ssid->length = 0;
bf164cc0
JK		 725
726#ifdef DEBUG
727 {
728 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
729
461b3f2a
JK		 730 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
731 tmp[le32_to_cpu(ssid->length)] = 0;
bf164cc0
JK		 732 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
733 }
734#endif
735 return ret;
736}
737
738
1e41e1d2 739static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0
JK		 740{
741 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
742 int ret;
743
744 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
745 if (ret == 0) {
746 memcpy(&priv->essid, ssid, sizeof(priv->essid));
747 priv->radio_on = 1;
748 devdbg(usbdev, "set_essid: radio_on = 1");
749 }
750
751 return ret;
752}
753
754
755static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
756{
757 int ret, len;
758
759 len = ETH_ALEN;
760 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
761
762 if (ret != 0)
763 memset(bssid, 0, ETH_ALEN);
764
765 return ret;
766}
767
4364623c
SA		 768static int get_association_info(struct usbnet *usbdev,
769 struct ndis_80211_assoc_info *info, int len)
770{
771 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
772 info, &len);
773}
bf164cc0
JK		 774
775static int is_associated(struct usbnet *usbdev)
776{
777 u8 bssid[ETH_ALEN];
778 int ret;
779
780 ret = get_bssid(usbdev, bssid);
781
782 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
783}
784
785
786static int disassociate(struct usbnet *usbdev, int reset_ssid)
787{
788 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1e41e1d2 789 struct ndis_80211_ssid ssid;
bf164cc0
JK		 790 int i, ret = 0;
791
792 if (priv->radio_on) {
793 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
794 if (ret == 0) {
795 priv->radio_on = 0;
796 devdbg(usbdev, "disassociate: radio_on = 0");
797
798 if (reset_ssid)
799 msleep(100);
800 }
801 }
802
803 /* disassociate causes radio to be turned off; if reset_ssid
804 * is given, set random ssid to enable radio */
805 if (reset_ssid) {
461b3f2a
JK		 806 ssid.length = cpu_to_le32(sizeof(ssid.essid));
807 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
808 ssid.essid[0] = 0x1;
809 ssid.essid[1] = 0xff;
810 for (i = 2; i < sizeof(ssid.essid); i++)
811 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 812 ret = set_essid(usbdev, &ssid);
813 }
814 return ret;
815}
816
817
818static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
819{
820 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
821 __le32 tmp;
822 int auth_mode, ret;
823
824 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
825 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
826
827 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
828 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1e41e1d2 829 auth_mode = ndis_80211_auth_wpa2;
bf164cc0 830 else
1e41e1d2 831 auth_mode = ndis_80211_auth_wpa2_psk;
bf164cc0
JK		 832 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
833 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1e41e1d2 834 auth_mode = ndis_80211_auth_wpa;
bf164cc0 835 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
1e41e1d2 836 auth_mode = ndis_80211_auth_wpa_psk;
bf164cc0 837 else
1e41e1d2 838 auth_mode = ndis_80211_auth_wpa_none;
bf164cc0
JK		 839 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
840 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
1e41e1d2 841 auth_mode = ndis_80211_auth_auto_switch;
bf164cc0 842 else
1e41e1d2 843 auth_mode = ndis_80211_auth_shared;
bf164cc0 844 } else
1e41e1d2 845 auth_mode = ndis_80211_auth_open;
bf164cc0
JK		 846
847 tmp = cpu_to_le32(auth_mode);
848 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
849 sizeof(tmp));
850 if (ret != 0) {
851 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
852 return ret;
853 }
854
855 priv->wpa_version = wpa_version;
856 priv->wpa_authalg = authalg;
857 return 0;
858}
859
860
861static int set_priv_filter(struct usbnet *usbdev)
862{
863 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
864 __le32 tmp;
865
866 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
867
868 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
869 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
1e41e1d2 870 tmp = cpu_to_le32(ndis_80211_priv_8021x_wep);
bf164cc0 871 else
1e41e1d2 872 tmp = cpu_to_le32(ndis_80211_priv_accept_all);
bf164cc0
JK		 873
874 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
875 sizeof(tmp));
876}
877
878
879static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
880{
881 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
882 __le32 tmp;
883 int encr_mode, ret;
884
885 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
886 pairwise,
887 groupwise);
888
889 if (pairwise & IW_AUTH_CIPHER_CCMP)
1e41e1d2 890 encr_mode = ndis_80211_encr_ccmp_enabled;
bf164cc0 891 else if (pairwise & IW_AUTH_CIPHER_TKIP)
1e41e1d2 892 encr_mode = ndis_80211_encr_tkip_enabled;
bf164cc0
JK		 893 else if (pairwise &
894 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
1e41e1d2 895 encr_mode = ndis_80211_encr_wep_enabled;
bf164cc0 896 else if (groupwise & IW_AUTH_CIPHER_CCMP)
1e41e1d2 897 encr_mode = ndis_80211_encr_ccmp_enabled;
bf164cc0 898 else if (groupwise & IW_AUTH_CIPHER_TKIP)
1e41e1d2 899 encr_mode = ndis_80211_encr_tkip_enabled;
bf164cc0 900 else
1e41e1d2 901 encr_mode = ndis_80211_encr_disabled;
bf164cc0
JK		 902
903 tmp = cpu_to_le32(encr_mode);
904 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
905 sizeof(tmp));
906 if (ret != 0) {
907 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
908 return ret;
909 }
910
911 priv->wpa_cipher_pair = pairwise;
912 priv->wpa_cipher_group = groupwise;
913 return 0;
914}
915
916
917static int set_assoc_params(struct usbnet *usbdev)
918{
919 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
920
921 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
922 set_priv_filter(usbdev);
923 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
924
925 return 0;
926}
927
928
929static int set_infra_mode(struct usbnet *usbdev, int mode)
930{
931 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
932 __le32 tmp;
933 int ret, i;
934
935 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
936
937 tmp = cpu_to_le32(mode);
938 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
939 sizeof(tmp));
940 if (ret != 0) {
941 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
942 return ret;
943 }
944
945 /* NDIS drivers clear keys when infrastructure mode is
946 * changed. But Linux tools assume otherwise. So set the
947 * keys */
948 if (priv->wpa_keymgmt == 0 ||
949 priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) {
950 for (i = 0; i < 4; i++) {
951 if (priv->encr_key_len[i] > 0)
952 add_wep_key(usbdev, priv->encr_keys[i],
953 priv->encr_key_len[i], i);
954 }
955 }
956
957 priv->infra_mode = mode;
958 return 0;
959}
960
961
962static void set_default_iw_params(struct usbnet *usbdev)
963{
964 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
965
966 priv->wpa_keymgmt = 0;
967 priv->wpa_version = 0;
968
1e41e1d2 969 set_infra_mode(usbdev, ndis_80211_infra_infra);
bf164cc0
JK		 970 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
971 IW_AUTH_ALG_OPEN_SYSTEM);
972 set_priv_filter(usbdev);
973 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
974}
975
976
977static int deauthenticate(struct usbnet *usbdev)
978{
979 int ret;
980
981 ret = disassociate(usbdev, 1);
982 set_default_iw_params(usbdev);
983 return ret;
984}
985
986
987/* index must be 0 - N, as per NDIS */
988static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
989{
990 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1e41e1d2 991 struct ndis_80211_wep_key ndis_key;
bf164cc0
JK		 992 int ret;
993
994 if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4)
995 return -EINVAL;
996
997 memset(&ndis_key, 0, sizeof(ndis_key));
998
461b3f2a
JK		 999 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1000 ndis_key.length = cpu_to_le32(key_len);
1001 ndis_key.index = cpu_to_le32(index);
1002 memcpy(&ndis_key.material, key, key_len);
bf164cc0
JK		 1003
1004 if (index == priv->encr_tx_key_index) {
461b3f2a 1005 ndis_key.index |= cpu_to_le32(1 << 31);
bf164cc0
JK		 1006 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
1007 IW_AUTH_CIPHER_NONE);
1008 if (ret)
1009 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1010 ret);
1011 }
1012
1013 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1014 sizeof(ndis_key));
1015 if (ret != 0) {
1016 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1017 index+1, ret);
1018 return ret;
1019 }
1020
1021 priv->encr_key_len[index] = key_len;
1022 memcpy(&priv->encr_keys[index], key, key_len);
1023
1024 return 0;
1025}
1026
1027
1028/* remove_key is for both wep and wpa */
1029static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1030{
1031 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1e41e1d2 1032 struct ndis_80211_remove_key remove_key;
bf164cc0
JK		 1033 __le32 keyindex;
1034 int ret;
1035
1036 if (priv->encr_key_len[index] == 0)
1037 return 0;
1038
1039 priv->encr_key_len[index] = 0;
1040 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1041
1042 if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP ||
1043 priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP ||
1044 priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP ||
1045 priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) {
461b3f2a
JK		 1046 remove_key.size = cpu_to_le32(sizeof(remove_key));
1047 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 1048 if (bssid) {
1049 /* pairwise key */
1050 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
461b3f2a
JK		 1051 remove_key.index |= cpu_to_le32(1 << 30);
1052 memcpy(remove_key.bssid, bssid,
1053 sizeof(remove_key.bssid));
bf164cc0 1054 } else
461b3f2a
JK		 1055 memset(remove_key.bssid, 0xff,
1056 sizeof(remove_key.bssid));
bf164cc0
JK		 1057
1058 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1059 sizeof(remove_key));
1060 if (ret != 0)
1061 return ret;
1062 } else {
1063 keyindex = cpu_to_le32(index);
1064 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1065 sizeof(keyindex));
1066 if (ret != 0) {
1067 devwarn(usbdev,
1068 "removing encryption key %d failed (%08X)",
1069 index, ret);
1070 return ret;
1071 }
1072 }
1073
1074 /* if it is transmit key, disable encryption */
1075 if (index == priv->encr_tx_key_index)
1076 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1077
1078 return 0;
1079}
1080
1081
1082static void set_multicast_list(struct usbnet *usbdev)
1083{
1084 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1085 struct dev_mc_list *mclist;
1086 __le32 filter;
1087 int ret, i, size;
1088 char *buf;
1089
1090 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1091
1092 if (usbdev->net->flags & IFF_PROMISC) {
1093 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1094 RNDIS_PACKET_TYPE_ALL_LOCAL;
1095 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1096 usbdev->net->mc_count > priv->multicast_size) {
1097 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1098 } else if (usbdev->net->mc_count > 0) {
1099 size = min(priv->multicast_size, usbdev->net->mc_count);
1100 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1101 if (!buf) {
1102 devwarn(usbdev,
1103 "couldn't alloc %d bytes of memory",
1104 size * ETH_ALEN);
1105 return;
1106 }
1107
1108 mclist = usbdev->net->mc_list;
1109 for (i = 0; i < size && mclist; mclist = mclist->next) {
1110 if (mclist->dmi_addrlen != ETH_ALEN)
1111 continue;
1112
1113 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1114 i++;
1115 }
1116
1117 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1118 i * ETH_ALEN);
1119 if (ret == 0 && i > 0)
1120 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1121 else
1122 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1123
1124 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1125 i, priv->multicast_size, ret);
1126
1127 kfree(buf);
1128 }
1129
1130 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1131 sizeof(filter));
1132 if (ret < 0) {
1133 devwarn(usbdev, "couldn't set packet filter: %08x",
1134 le32_to_cpu(filter));
1135 }
1136
1137 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1138 le32_to_cpu(filter), ret);
1139}
1140
1141
964c1d41
JL		 1142/*
1143 * cfg80211 ops
1144 */
1145static int rndis_change_virtual_intf(struct wiphy *wiphy, int ifindex,
1146 enum nl80211_iftype type, u32 *flags,
1147 struct vif_params *params)
1148{
1149 struct net_device *dev;
1150 struct usbnet *usbdev;
1151 int mode;
1152
1153 /* we're under RTNL */
1154 dev = __dev_get_by_index(&init_net, ifindex);
1155 if (!dev)
1156 return -ENODEV;
1157 usbdev = netdev_priv(dev);
1158
1159 switch (type) {
1160 case NL80211_IFTYPE_ADHOC:
1161 mode = ndis_80211_infra_adhoc;
1162 break;
1163 case NL80211_IFTYPE_STATION:
1164 mode = ndis_80211_infra_infra;
1165 break;
1166 default:
1167 return -EINVAL;
1168 }
1169
1170 return set_infra_mode(usbdev, mode);
1171}
1172
71a7b26d
JK		 1173
1174#define SCAN_DELAY_JIFFIES (HZ)
1175static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1176 struct cfg80211_scan_request *request)
1177{
1178 struct usbnet *usbdev = netdev_priv(dev);
1179 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1180 int ret;
1181 __le32 tmp;
1182
1183 devdbg(usbdev, "cfg80211.scan");
1184
1185 if (!request)
1186 return -EINVAL;
1187
1188 if (priv->scan_request && priv->scan_request != request)
1189 return -EBUSY;
1190
1191 priv->scan_request = request;
1192
1193 tmp = cpu_to_le32(1);
1194 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1195 sizeof(tmp));
1196 if (ret == 0) {
1197 /* Wait before retrieving scan results from device */
1198 queue_delayed_work(priv->workqueue, &priv->scan_work,
1199 SCAN_DELAY_JIFFIES);
1200 }
1201
1202 return ret;
1203}
1204
1205
1206static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1207 struct ndis_80211_bssid_ex *bssid)
1208{
1209 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1210 struct ieee80211_channel *channel;
1211 s32 signal;
1212 u64 timestamp;
1213 u16 capability;
1214 u16 beacon_interval;
1215 struct ndis_80211_fixed_ies *fixed;
1216 int ie_len, bssid_len;
1217 u8 *ie;
1218
1219 /* parse bssid structure */
1220 bssid_len = le32_to_cpu(bssid->length);
1221
1222 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1223 sizeof(struct ndis_80211_fixed_ies))
1224 return NULL;
1225
1226 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1227
1228 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1229 ie_len = min(bssid_len - (int)sizeof(*bssid),
1230 (int)le32_to_cpu(bssid->ie_length));
1231 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1232 if (ie_len < 0)
1233 return NULL;
1234
1235 /* extract data for cfg80211_inform_bss */
1236 channel = ieee80211_get_channel(priv->wdev.wiphy,
1237 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1238 if (!channel)
1239 return NULL;
1240
1241 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1242 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1243 capability = le16_to_cpu(fixed->capabilities);
1244 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1245
1246 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1247 timestamp, capability, beacon_interval, ie, ie_len, signal,
1248 GFP_KERNEL);
1249}
1250
1251
1252static int rndis_check_bssid_list(struct usbnet *usbdev)
1253{
1254 void *buf = NULL;
1255 struct ndis_80211_bssid_list_ex *bssid_list;
1256 struct ndis_80211_bssid_ex *bssid;
1257 int ret = -EINVAL, len, count, bssid_len;
1258
1259 devdbg(usbdev, "check_bssid_list");
1260
1261 len = CONTROL_BUFFER_SIZE;
1262 buf = kmalloc(len, GFP_KERNEL);
1263 if (!buf) {
1264 ret = -ENOMEM;
1265 goto out;
1266 }
1267
1268 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1269 if (ret != 0)
1270 goto out;
1271
1272 bssid_list = buf;
1273 bssid = bssid_list->bssid;
1274 bssid_len = le32_to_cpu(bssid->length);
1275 count = le32_to_cpu(bssid_list->num_items);
1276 devdbg(usbdev, "check_bssid_list: %d BSSIDs found", count);
1277
1278 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1279 rndis_bss_info_update(usbdev, bssid);
1280
1281 bssid = (void *)bssid + bssid_len;
1282 bssid_len = le32_to_cpu(bssid->length);
1283 count--;
1284 }
1285
1286out:
1287 kfree(buf);
1288 return ret;
1289}
1290
1291
1292static void rndis_get_scan_results(struct work_struct *work)
1293{
1294 struct rndis_wext_private *priv =
1295 container_of(work, struct rndis_wext_private, scan_work.work);
1296 struct usbnet *usbdev = priv->usbdev;
1297 int ret;
1298
1299 devdbg(usbdev, "get_scan_results");
1300
1301 ret = rndis_check_bssid_list(usbdev);
1302
1303 cfg80211_scan_done(priv->scan_request, ret < 0);
1304
1305 priv->scan_request = NULL;
1306}
1307
1308
bf164cc0
JK		 1309/*
1310 * wireless extension handlers
1311 */
1312
1313static int rndis_iw_commit(struct net_device *dev,
1314 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1315{
1316 /* dummy op */
1317 return 0;
1318}
1319
1320
bf164cc0
JK		 1321static int rndis_iw_set_essid(struct net_device *dev,
1322 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1323{
1e41e1d2 1324 struct ndis_80211_ssid ssid;
bf164cc0 1325 int length = wrqu->essid.length;
524ad0a7 1326 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1327
1328 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1329 wrqu->essid.flags, wrqu->essid.length, essid);
1330
1331 if (length > NDIS_802_11_LENGTH_SSID)
1332 length = NDIS_802_11_LENGTH_SSID;
1333
461b3f2a 1334 ssid.length = cpu_to_le32(length);
bf164cc0 1335 if (length > 0)
461b3f2a 1336 memcpy(ssid.essid, essid, length);
bf164cc0 1337 else
461b3f2a 1338 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
bf164cc0
JK		 1339
1340 set_assoc_params(usbdev);
1341
1342 if (!wrqu->essid.flags || length == 0)
1343 return disassociate(usbdev, 1);
1344 else
1345 return set_essid(usbdev, &ssid);
1346}
1347
1348
1349static int rndis_iw_get_essid(struct net_device *dev,
1350 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1351{
1e41e1d2 1352 struct ndis_80211_ssid ssid;
524ad0a7 1353 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1354 int ret;
1355
1356 ret = get_essid(usbdev, &ssid);
1357
461b3f2a 1358 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
bf164cc0 1359 wrqu->essid.flags = 1;
461b3f2a
JK		 1360 wrqu->essid.length = le32_to_cpu(ssid.length);
1361 memcpy(essid, ssid.essid, wrqu->essid.length);
bf164cc0
JK		 1362 essid[wrqu->essid.length] = 0;
1363 } else {
1364 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1365 wrqu->essid.flags = 0;
1366 wrqu->essid.length = 0;
1367 }
1368 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1369 return ret;
1370}
1371
1372
1373static int rndis_iw_get_bssid(struct net_device *dev,
1374 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1375{
524ad0a7 1376 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1377 unsigned char bssid[ETH_ALEN];
1378 int ret;
bf164cc0
JK		 1379
1380 ret = get_bssid(usbdev, bssid);
1381
1382 if (ret == 0)
e174961c 1383 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
bf164cc0
JK		 1384 else
1385 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1386
1387 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1388 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1389
1390 return ret;
1391}
1392
1393
1394static int rndis_iw_set_bssid(struct net_device *dev,
1395 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1396{
524ad0a7 1397 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0 1398 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
bf164cc0
JK		 1399 int ret;
1400
e174961c 1401 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
bf164cc0
JK		 1402
1403 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1404
1405 /* user apps may set ap's mac address, which is not required;
1406 * they may fail to work if this function fails, so return
1407 * success */
1408 if (ret)
1409 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1410
1411 return 0;
1412}
1413
1414
1415static int rndis_iw_set_auth(struct net_device *dev,
1416 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1417{
1418 struct iw_param *p = &wrqu->param;
524ad0a7 1419 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1420 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1421 int ret = -ENOTSUPP;
1422
1423 switch (p->flags & IW_AUTH_INDEX) {
1424 case IW_AUTH_WPA_VERSION:
1425 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1426 priv->wpa_version = p->value;
1427 ret = 0;
1428 break;
1429
1430 case IW_AUTH_CIPHER_PAIRWISE:
1431 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1432 priv->wpa_cipher_pair = p->value;
1433 ret = 0;
1434 break;
1435
1436 case IW_AUTH_CIPHER_GROUP:
1437 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1438 priv->wpa_cipher_group = p->value;
1439 ret = 0;
1440 break;
1441
1442 case IW_AUTH_KEY_MGMT:
1443 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1444 priv->wpa_keymgmt = p->value;
1445 ret = 0;
1446 break;
1447
1448 case IW_AUTH_TKIP_COUNTERMEASURES:
1449 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1450 p->value);
1451 ret = 0;
1452 break;
1453
1454 case IW_AUTH_DROP_UNENCRYPTED:
1455 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1456 ret = 0;
1457 break;
1458
1459 case IW_AUTH_80211_AUTH_ALG:
1460 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1461 priv->wpa_authalg = p->value;
1462 ret = 0;
1463 break;
1464
1465 case IW_AUTH_WPA_ENABLED:
1466 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1467 if (wrqu->param.value)
1468 deauthenticate(usbdev);
1469 ret = 0;
1470 break;
1471
1472 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1473 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1474 p->value);
1475 ret = 0;
1476 break;
1477
1478 case IW_AUTH_ROAMING_CONTROL:
1479 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1480 ret = 0;
1481 break;
1482
1483 case IW_AUTH_PRIVACY_INVOKED:
1484 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1485 wrqu->param.flags & IW_AUTH_INDEX);
1486 return -EOPNOTSUPP;
1487
1488 default:
1489 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1490 p->flags & IW_AUTH_INDEX, p->value);
1491 }
1492 return ret;
1493}
1494
1495
1496static int rndis_iw_get_auth(struct net_device *dev,
1497 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1498{
1499 struct iw_param *p = &wrqu->param;
524ad0a7 1500 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1501 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1502
1503 switch (p->flags & IW_AUTH_INDEX) {
1504 case IW_AUTH_WPA_VERSION:
1505 p->value = priv->wpa_version;
1506 break;
1507 case IW_AUTH_CIPHER_PAIRWISE:
1508 p->value = priv->wpa_cipher_pair;
1509 break;
1510 case IW_AUTH_CIPHER_GROUP:
1511 p->value = priv->wpa_cipher_group;
1512 break;
1513 case IW_AUTH_KEY_MGMT:
1514 p->value = priv->wpa_keymgmt;
1515 break;
1516 case IW_AUTH_80211_AUTH_ALG:
1517 p->value = priv->wpa_authalg;
1518 break;
1519 default:
1520 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1521 wrqu->param.flags & IW_AUTH_INDEX);
1522 return -EOPNOTSUPP;
1523 }
1524 return 0;
1525}
1526
1527
bf164cc0
JK		 1528static int rndis_iw_set_encode(struct net_device *dev,
1529 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1530{
524ad0a7 1531 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1532 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1533 int ret, index, key_len;
1534 u8 *key;
1535
1536 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1537
1538 /* iwconfig gives index as 1 - N */
1539 if (index > 0)
1540 index--;
1541 else
1542 index = priv->encr_tx_key_index;
1543
1544 if (index < 0 || index >= 4) {
1545 devwarn(usbdev, "encryption index out of range (%u)", index);
1546 return -EINVAL;
1547 }
1548
1549 /* remove key if disabled */
1550 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
1551 if (remove_key(usbdev, index, NULL))
1552 return -EINVAL;
1553 else
1554 return 0;
1555 }
1556
1557 /* global encryption state (for all keys) */
1558 if (wrqu->data.flags & IW_ENCODE_OPEN)
1559 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1560 IW_AUTH_ALG_OPEN_SYSTEM);
1561 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
1562 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1563 IW_AUTH_ALG_SHARED_KEY);
1564 if (ret != 0)
1565 return ret;
1566
1567 if (wrqu->data.length > 0) {
1568 key_len = wrqu->data.length;
1569 key = extra;
1570 } else {
1571 /* must be set as tx key */
1572 if (priv->encr_key_len[index] == 0)
1573 return -EINVAL;
1574 key_len = priv->encr_key_len[index];
1575 key = priv->encr_keys[index];
1576 priv->encr_tx_key_index = index;
1577 }
1578
1579 if (add_wep_key(usbdev, key, key_len, index) != 0)
1580 return -EINVAL;
1581
1582 if (index == priv->encr_tx_key_index)
1583 /* ndis drivers want essid to be set after setting encr */
1584 set_essid(usbdev, &priv->essid);
1585
1586 return 0;
1587}
1588
1589
1590static int rndis_iw_set_encode_ext(struct net_device *dev,
1591 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1592{
1593 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
524ad0a7 1594 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0 1595 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1e41e1d2 1596 struct ndis_80211_key ndis_key;
cdb2a9fe 1597 int keyidx, ret;
bf164cc0
JK		 1598 u8 *addr;
1599
1600 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
1601
1602 /* iwconfig gives index as 1 - N */
1603 if (keyidx)
1604 keyidx--;
1605 else
1606 keyidx = priv->encr_tx_key_index;
1607
1608 if (keyidx < 0 || keyidx >= 4)
1609 return -EINVAL;
1610
1611 if (ext->alg == WPA_ALG_WEP) {
1612 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1613 priv->encr_tx_key_index = keyidx;
1614 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
1615 }
1616
1617 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
1618 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
1619 return remove_key(usbdev, keyidx, NULL);
1620
461b3f2a 1621 if (ext->key_len > sizeof(ndis_key.material))
bf164cc0
JK		 1622 return -1;
1623
1624 memset(&ndis_key, 0, sizeof(ndis_key));
1625
461b3f2a
JK		 1626 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1627 sizeof(ndis_key.material) + ext->key_len);
1628 ndis_key.length = cpu_to_le32(ext->key_len);
1629 ndis_key.index = cpu_to_le32(keyidx);
bf164cc0
JK		 1630
1631 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
461b3f2a
JK		 1632 memcpy(ndis_key.rsc, ext->rx_seq, 6);
1633 ndis_key.index |= cpu_to_le32(1 << 29);
bf164cc0
JK		 1634 }
1635
1636 addr = ext->addr.sa_data;
1637 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1638 /* group key */
1e41e1d2 1639 if (priv->infra_mode == ndis_80211_infra_adhoc)
461b3f2a 1640 memset(ndis_key.bssid, 0xff, ETH_ALEN);
bf164cc0 1641 else
461b3f2a 1642 get_bssid(usbdev, ndis_key.bssid);
bf164cc0
JK		 1643 } else {
1644 /* pairwise key */
461b3f2a
JK		 1645 ndis_key.index |= cpu_to_le32(1 << 30);
1646 memcpy(ndis_key.bssid, addr, ETH_ALEN);
bf164cc0
JK		 1647 }
1648
1649 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
461b3f2a 1650 ndis_key.index |= cpu_to_le32(1 << 31);
bf164cc0
JK		 1651
1652 if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) {
1653 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1654 * different order than NDIS spec, so swap the order here. */
461b3f2a
JK		 1655 memcpy(ndis_key.material, ext->key, 16);
1656 memcpy(ndis_key.material + 16, ext->key + 24, 8);
1657 memcpy(ndis_key.material + 24, ext->key + 16, 8);
bf164cc0 1658 } else
461b3f2a 1659 memcpy(ndis_key.material, ext->key, ext->key_len);
bf164cc0
JK		 1660
1661 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
461b3f2a 1662 le32_to_cpu(ndis_key.size));
bf164cc0
JK		 1663 devdbg(usbdev, "SIOCSIWENCODEEXT: OID_802_11_ADD_KEY -> %08X", ret);
1664 if (ret != 0)
1665 return ret;
1666
1667 priv->encr_key_len[keyidx] = ext->key_len;
461b3f2a 1668 memcpy(&priv->encr_keys[keyidx], ndis_key.material, ext->key_len);
bf164cc0
JK		 1669 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1670 priv->encr_tx_key_index = keyidx;
1671
1672 return 0;
1673}
1674
1675
bf164cc0
JK		 1676static int rndis_iw_set_genie(struct net_device *dev,
1677 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1678{
524ad0a7 1679 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1680 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1681 int ret = 0;
1682
1683#ifdef DEBUG
1684 int j;
1685 u8 *gie = extra;
1686 for (j = 0; j < wrqu->data.length; j += 8)
1687 devdbg(usbdev,
1688 "SIOCSIWGENIE %04x - "
1689 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
1690 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
1691 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
1692#endif
1693 /* clear existing IEs */
1694 if (priv->wpa_ie_len) {
1695 kfree(priv->wpa_ie);
1696 priv->wpa_ie_len = 0;
1697 }
1698
1699 /* set new IEs */
1700 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
1701 if (priv->wpa_ie) {
1702 priv->wpa_ie_len = wrqu->data.length;
1703 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
1704 } else
1705 ret = -ENOMEM;
1706 return ret;
1707}
1708
1709
1710static int rndis_iw_get_genie(struct net_device *dev,
1711 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1712{
524ad0a7 1713 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1714 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1715
1716 devdbg(usbdev, "SIOCGIWGENIE");
1717
1718 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
1719 wrqu->data.length = 0;
1720 return 0;
1721 }
1722
1723 if (wrqu->data.length < priv->wpa_ie_len)
1724 return -E2BIG;
1725
1726 wrqu->data.length = priv->wpa_ie_len;
1727 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
1728
1729 return 0;
1730}
1731
1732
1733static int rndis_iw_set_rts(struct net_device *dev,
1734 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1735{
524ad0a7 1736 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1737 __le32 tmp;
1738 devdbg(usbdev, "SIOCSIWRTS");
1739
1740 tmp = cpu_to_le32(wrqu->rts.value);
1741 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1742 sizeof(tmp));
1743}
1744
1745
1746static int rndis_iw_get_rts(struct net_device *dev,
1747 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1748{
524ad0a7 1749 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1750 __le32 tmp;
1751 int len, ret;
1752
1753 len = sizeof(tmp);
1754 ret = rndis_query_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, &len);
1755 if (ret == 0) {
1756 wrqu->rts.value = le32_to_cpu(tmp);
1757 wrqu->rts.flags = 1;
1758 wrqu->rts.disabled = 0;
1759 }
1760
1761 devdbg(usbdev, "SIOCGIWRTS: %d", wrqu->rts.value);
1762
1763 return ret;
1764}
1765
1766
1767static int rndis_iw_set_frag(struct net_device *dev,
1768 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1769{
524ad0a7 1770 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1771 __le32 tmp;
1772
1773 devdbg(usbdev, "SIOCSIWFRAG");
1774
1775 tmp = cpu_to_le32(wrqu->frag.value);
1776 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1777 sizeof(tmp));
1778}
1779
1780
1781static int rndis_iw_get_frag(struct net_device *dev,
1782 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1783{
524ad0a7 1784 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1785 __le32 tmp;
1786 int len, ret;
1787
1788 len = sizeof(tmp);
1789 ret = rndis_query_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1790 &len);
1791 if (ret == 0) {
1792 wrqu->frag.value = le32_to_cpu(tmp);
1793 wrqu->frag.flags = 1;
1794 wrqu->frag.disabled = 0;
1795 }
1796 devdbg(usbdev, "SIOCGIWFRAG: %d", wrqu->frag.value);
1797 return ret;
1798}
1799
1800
1801static int rndis_iw_set_nick(struct net_device *dev,
1802 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1803{
524ad0a7 1804 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1805 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1806
1807 devdbg(usbdev, "SIOCSIWNICK");
1808
1809 priv->nick_len = wrqu->data.length;
1810 if (priv->nick_len > 32)
1811 priv->nick_len = 32;
1812
1813 memcpy(priv->nick, extra, priv->nick_len);
1814 return 0;
1815}
1816
1817
1818static int rndis_iw_get_nick(struct net_device *dev,
1819 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1820{
524ad0a7 1821 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1822 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1823
1824 wrqu->data.flags = 1;
1825 wrqu->data.length = priv->nick_len;
1826 memcpy(extra, priv->nick, priv->nick_len);
1827
1828 devdbg(usbdev, "SIOCGIWNICK: '%s'", priv->nick);
1829
1830 return 0;
1831}
1832
1833
1834static int rndis_iw_set_freq(struct net_device *dev,
1835 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1836{
524ad0a7 1837 struct usbnet *usbdev = netdev_priv(dev);
1e41e1d2 1838 struct ndis_80211_conf config;
bf164cc0
JK		 1839 unsigned int dsconfig;
1840 int len, ret;
1841
1842 /* this OID is valid only when not associated */
1843 if (is_associated(usbdev))
1844 return 0;
1845
1846 dsconfig = 0;
1847 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
1848 return -EINVAL;
1849
1850 len = sizeof(config);
1851 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1852 if (ret != 0) {
1853 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
1854 return 0;
1855 }
1856
461b3f2a 1857 config.ds_config = cpu_to_le32(dsconfig);
bf164cc0
JK		 1858
1859 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
1860 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1861 sizeof(config));
1862}
1863
1864
1865static int rndis_iw_get_freq(struct net_device *dev,
1866 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1867{
524ad0a7 1868 struct usbnet *usbdev = netdev_priv(dev);
1e41e1d2 1869 struct ndis_80211_conf config;
bf164cc0
JK		 1870 int len, ret;
1871
1872 len = sizeof(config);
1873 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1874 if (ret == 0)
461b3f2a 1875 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
bf164cc0
JK		 1876
1877 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
1878 return ret;
1879}
1880
1881
1882static int rndis_iw_get_txpower(struct net_device *dev,
1883 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1884{
524ad0a7 1885 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1886 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1887 __le32 tx_power;
1888 int ret = 0, len;
1889
1890 if (priv->radio_on) {
1891 if (priv->caps & CAP_SUPPORT_TXPOWER) {
1892 len = sizeof(tx_power);
1893 ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
1894 &tx_power, &len);
1895 if (ret != 0)
1896 return ret;
1897 } else
1898 /* fake incase not supported */
1899 tx_power = cpu_to_le32(get_bcm4320_power(priv));
1900
1901 wrqu->txpower.flags = IW_TXPOW_MWATT;
1902 wrqu->txpower.value = le32_to_cpu(tx_power);
1903 wrqu->txpower.disabled = 0;
1904 } else {
1905 wrqu->txpower.flags = IW_TXPOW_MWATT;
1906 wrqu->txpower.value = 0;
1907 wrqu->txpower.disabled = 1;
1908 }
1909
1910 devdbg(usbdev, "SIOCGIWTXPOW: %d", wrqu->txpower.value);
1911
1912 return ret;
1913}
1914
1915
1916static int rndis_iw_set_txpower(struct net_device *dev,
1917 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1918{
524ad0a7 1919 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1920 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1921 __le32 tx_power = 0;
1922 int ret = 0;
1923
1924 if (!wrqu->txpower.disabled) {
1925 if (wrqu->txpower.flags == IW_TXPOW_MWATT)
1926 tx_power = cpu_to_le32(wrqu->txpower.value);
1927 else { /* wrqu->txpower.flags == IW_TXPOW_DBM */
1928 if (wrqu->txpower.value > 20)
1929 tx_power = cpu_to_le32(128);
1930 else if (wrqu->txpower.value < -43)
1931 tx_power = cpu_to_le32(127);
1932 else {
1933 signed char tmp;
1934 tmp = wrqu->txpower.value;
1935 tmp = -12 - tmp;
1936 tmp <<= 2;
1937 tx_power = cpu_to_le32((unsigned char)tmp);
1938 }
1939 }
1940 }
1941
1942 devdbg(usbdev, "SIOCSIWTXPOW: %d", le32_to_cpu(tx_power));
1943
1944 if (le32_to_cpu(tx_power) != 0) {
1945 if (priv->caps & CAP_SUPPORT_TXPOWER) {
1946 /* turn radio on first */
1947 if (!priv->radio_on)
1948 disassociate(usbdev, 1);
1949
1950 ret = rndis_set_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
1951 &tx_power, sizeof(tx_power));
1952 if (ret != 0)
1953 ret = -EOPNOTSUPP;
1954 return ret;
1955 } else {
1956 /* txpower unsupported, just turn radio on */
1957 if (!priv->radio_on)
1958 return disassociate(usbdev, 1);
1959 return 0; /* all ready on */
1960 }
1961 }
1962
1963 /* tx_power == 0, turn off radio */
1964 return disassociate(usbdev, 0);
1965}
1966
1967
1968static int rndis_iw_get_rate(struct net_device *dev,
1969 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1970{
524ad0a7 1971 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1972 __le32 tmp;
1973 int ret, len;
1974
1975 len = sizeof(tmp);
1976 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
1977 if (ret == 0) {
1978 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
1979 wrqu->bitrate.disabled = 0;
1980 wrqu->bitrate.flags = 1;
1981 }
1982 return ret;
1983}
1984
1985
1986static int rndis_iw_set_mlme(struct net_device *dev,
1987 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1988{
524ad0a7 1989 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 1990 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1991 struct iw_mlme *mlme = (struct iw_mlme *)extra;
1992 unsigned char bssid[ETH_ALEN];
1993
1994 get_bssid(usbdev, bssid);
1995
1996 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
1997 return -EINVAL;
1998
1999 switch (mlme->cmd) {
2000 case IW_MLME_DEAUTH:
2001 return deauthenticate(usbdev);
2002 case IW_MLME_DISASSOC:
2003 return disassociate(usbdev, priv->radio_on);
2004 default:
2005 return -EOPNOTSUPP;
2006 }
2007
2008 return 0;
2009}
2010
2011
2012static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2013{
524ad0a7 2014 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 2015 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2016 unsigned long flags;
2017
2018 spin_lock_irqsave(&priv->stats_lock, flags);
2019 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2020 spin_unlock_irqrestore(&priv->stats_lock, flags);
2021
2022 return &priv->iwstats;
2023}
2024
2025
2026#define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2027static const iw_handler rndis_iw_handler[] =
2028{
2029 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
5c8fa4f7 2030 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
bf164cc0
JK		 2031 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2032 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
964c1d41
JL		 2033 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2034 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
4d2a369e 2035 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
bf164cc0
JK		 2036 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2037 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
71a7b26d
JK		 2038 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2039 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
bf164cc0
JK		 2040 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2041 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
2042 IW_IOCTL(SIOCSIWNICKN) = rndis_iw_set_nick,
2043 IW_IOCTL(SIOCGIWNICKN) = rndis_iw_get_nick,
2044 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2045 IW_IOCTL(SIOCSIWRTS) = rndis_iw_set_rts,
2046 IW_IOCTL(SIOCGIWRTS) = rndis_iw_get_rts,
2047 IW_IOCTL(SIOCSIWFRAG) = rndis_iw_set_frag,
2048 IW_IOCTL(SIOCGIWFRAG) = rndis_iw_get_frag,
2049 IW_IOCTL(SIOCSIWTXPOW) = rndis_iw_set_txpower,
2050 IW_IOCTL(SIOCGIWTXPOW) = rndis_iw_get_txpower,
2051 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2052 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2053 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2054 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2055 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2056 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2057 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2058};
2059
2060static const iw_handler rndis_wext_private_handler[] = {
2061};
2062
2063static const struct iw_priv_args rndis_wext_private_args[] = {
2064};
2065
2066
2067static const struct iw_handler_def rndis_iw_handlers = {
2068 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2069 .num_private = ARRAY_SIZE(rndis_wext_private_handler),
2070 .num_private_args = ARRAY_SIZE(rndis_wext_private_args),
2071 .standard = (iw_handler *)rndis_iw_handler,
2072 .private = (iw_handler *)rndis_wext_private_handler,
2073 .private_args = (struct iw_priv_args *)rndis_wext_private_args,
2074 .get_wireless_stats = rndis_get_wireless_stats,
2075};
2076
2077
2078static void rndis_wext_worker(struct work_struct *work)
2079{
2080 struct rndis_wext_private *priv =
2081 container_of(work, struct rndis_wext_private, work);
2082 struct usbnet *usbdev = priv->usbdev;
2083 union iwreq_data evt;
2084 unsigned char bssid[ETH_ALEN];
4364623c
SA		 2085 struct ndis_80211_assoc_info *info;
2086 int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
2087 int ret, offset;
bf164cc0 2088
6010ce07 2089 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
5331b96c
JK		 2090 netif_carrier_on(usbdev->net);
2091
4364623c
SA		 2092 info = kzalloc(assoc_size, GFP_KERNEL);
2093 if (!info)
2094 goto get_bssid;
bf164cc0 2095
4364623c
SA		 2096 /* Get association info IEs from device and send them back to
2097 * userspace. */
2098 ret = get_association_info(usbdev, info, assoc_size);
2099 if (!ret) {
2100 evt.data.length = le32_to_cpu(info->req_ie_length);
2101 if (evt.data.length > 0) {
2102 offset = le32_to_cpu(info->offset_req_ies);
2103 wireless_send_event(usbdev->net,
2104 IWEVASSOCREQIE, &evt,
2105 (char *)info + offset);
2106 }
2107
2108 evt.data.length = le32_to_cpu(info->resp_ie_length);
2109 if (evt.data.length > 0) {
2110 offset = le32_to_cpu(info->offset_resp_ies);
2111 wireless_send_event(usbdev->net,
2112 IWEVASSOCRESPIE, &evt,
2113 (char *)info + offset);
2114 }
2115 }
2116
2117 kfree(info);
bf164cc0 2118
4364623c
SA		 2119get_bssid:
2120 ret = get_bssid(usbdev, bssid);
bf164cc0
JK		 2121 if (!ret) {
2122 evt.data.flags = 0;
2123 evt.data.length = 0;
2124 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2125 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2126 }
2127 }
2128
6010ce07 2129 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
5331b96c
JK		 2130 netif_carrier_off(usbdev->net);
2131
6010ce07
JK		 2132 evt.data.flags = 0;
2133 evt.data.length = 0;
2134 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2135 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2136 }
2137
bf164cc0
JK		 2138 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2139 set_multicast_list(usbdev);
2140}
2141
2142static void rndis_wext_set_multicast_list(struct net_device *dev)
2143{
524ad0a7 2144 struct usbnet *usbdev = netdev_priv(dev);
bf164cc0
JK		 2145 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2146
a67edb9e
JK		 2147 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2148 return;
2149
bf164cc0
JK		 2150 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2151 queue_work(priv->workqueue, &priv->work);
2152}
2153
a19d7292 2154static void rndis_wext_link_change(struct usbnet *usbdev, int state)
bf164cc0 2155{
a19d7292 2156 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
bf164cc0 2157
6010ce07
JK		 2158 /* queue work to avoid recursive calls into rndis_command */
2159 set_bit(state ? WORK_LINK_UP : WORK_LINK_DOWN, &priv->work_pending);
2160 queue_work(priv->workqueue, &priv->work);
bf164cc0
JK		 2161}
2162
2163
a19d7292 2164static int rndis_wext_get_caps(struct usbnet *usbdev)
bf164cc0
JK		 2165{
2166 struct {
2167 __le32 num_items;
2168 __le32 items[8];
2169 } networks_supported;
2170 int len, retval, i, n;
2171 __le32 tx_power;
a19d7292 2172 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
bf164cc0
JK		 2173
2174 /* determine if supports setting txpower */
2175 len = sizeof(tx_power);
a19d7292
JK		 2176 retval = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, &tx_power,
2177 &len);
bf164cc0
JK		 2178 if (retval == 0 && le32_to_cpu(tx_power) != 0xFF)
2179 priv->caps |= CAP_SUPPORT_TXPOWER;
2180
2181 /* determine supported modes */
2182 len = sizeof(networks_supported);
a19d7292 2183 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
bf164cc0
JK		 2184 &networks_supported, &len);
2185 if (retval >= 0) {
2186 n = le32_to_cpu(networks_supported.num_items);
2187 if (n > 8)
2188 n = 8;
2189 for (i = 0; i < n; i++) {
2190 switch (le32_to_cpu(networks_supported.items[i])) {
1e41e1d2
JK		 2191 case ndis_80211_type_freq_hop:
2192 case ndis_80211_type_direct_seq:
bf164cc0
JK		 2193 priv->caps |= CAP_MODE_80211B;
2194 break;
1e41e1d2 2195 case ndis_80211_type_ofdm_a:
bf164cc0
JK		 2196 priv->caps |= CAP_MODE_80211A;
2197 break;
1e41e1d2 2198 case ndis_80211_type_ofdm_g:
bf164cc0
JK		 2199 priv->caps |= CAP_MODE_80211G;
2200 break;
2201 }
2202 }
bf164cc0
JK		 2203 }
2204
2205 return retval;
2206}
2207
2208
2209#define STATS_UPDATE_JIFFIES (HZ)
2210static void rndis_update_wireless_stats(struct work_struct *work)
2211{
2212 struct rndis_wext_private *priv =
2213 container_of(work, struct rndis_wext_private, stats_work.work);
2214 struct usbnet *usbdev = priv->usbdev;
2215 struct iw_statistics iwstats;
2216 __le32 rssi, tmp;
a97b1f3d 2217 int len, ret, j;
bf164cc0
JK		 2218 unsigned long flags;
2219 int update_jiffies = STATS_UPDATE_JIFFIES;
2220 void *buf;
2221
2222 spin_lock_irqsave(&priv->stats_lock, flags);
2223 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2224 spin_unlock_irqrestore(&priv->stats_lock, flags);
2225
2226 /* only update stats when connected */
2227 if (!is_associated(usbdev)) {
2228 iwstats.qual.qual = 0;
2229 iwstats.qual.level = 0;
2230 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2231 | IW_QUAL_LEVEL_UPDATED
2232 | IW_QUAL_NOISE_INVALID
2233 | IW_QUAL_QUAL_INVALID
2234 | IW_QUAL_LEVEL_INVALID;
2235 goto end;
2236 }
2237
2238 len = sizeof(rssi);
2239 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2240
2241 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2242 le32_to_cpu(rssi));
2243 if (ret == 0) {
2244 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2245 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
4bd7f03e 2246 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
bf164cc0
JK		 2247 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2248 | IW_QUAL_LEVEL_UPDATED
2249 | IW_QUAL_NOISE_INVALID;
2250 }
2251
2252 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2253
2254 len = sizeof(tmp);
2255 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2256 if (ret == 0)
2257 iwstats.discard.misc += le32_to_cpu(tmp);
2258
2259 len = sizeof(tmp);
2260 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2261 if (ret == 0)
2262 iwstats.discard.misc += le32_to_cpu(tmp);
2263
2264 len = sizeof(tmp);
2265 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2266 if (ret == 0)
2267 iwstats.discard.misc += le32_to_cpu(tmp);
2268
a97b1f3d
JK		 2269 /* Workaround transfer stalls on poor quality links.
2270 * TODO: find right way to fix these stalls (as stalls do not happen
2271 * with ndiswrapper/windows driver). */
2272 if (iwstats.qual.qual <= 25) {
bf164cc0
JK		 2273 /* Decrease stats worker interval to catch stalls.
2274 * faster. Faster than 400-500ms causes packet loss,
2275 * Slower doesn't catch stalls fast enough.
2276 */
2277 j = msecs_to_jiffies(priv->param_workaround_interval);
2278 if (j > STATS_UPDATE_JIFFIES)
2279 j = STATS_UPDATE_JIFFIES;
2280 else if (j <= 0)
2281 j = 1;
2282 update_jiffies = j;
2283
2284 /* Send scan OID. Use of both OIDs is required to get device
2285 * working.
2286 */
35c26c2c 2287 tmp = cpu_to_le32(1);
bf164cc0
JK		 2288 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2289 sizeof(tmp));
2290
2291 len = CONTROL_BUFFER_SIZE;
2292 buf = kmalloc(len, GFP_KERNEL);
2293 if (!buf)
2294 goto end;
2295
2296 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2297 kfree(buf);
2298 }
2299end:
2300 spin_lock_irqsave(&priv->stats_lock, flags);
2301 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2302 spin_unlock_irqrestore(&priv->stats_lock, flags);
2303
2304 if (update_jiffies >= HZ)
2305 update_jiffies = round_jiffies_relative(update_jiffies);
2306 else {
2307 j = round_jiffies_relative(update_jiffies);
2308 if (abs(j - update_jiffies) <= 10)
2309 update_jiffies = j;
2310 }
2311
2312 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2313}
2314
2315
a19d7292 2316static int bcm4320_early_init(struct usbnet *usbdev)
bf164cc0 2317{
a19d7292 2318 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
bf164cc0
JK		 2319 char buf[8];
2320
2321 /* Early initialization settings, setting these won't have effect
2322 * if called after generic_rndis_bind().
2323 */
2324
2325 priv->param_country[0] = modparam_country[0];
2326 priv->param_country[1] = modparam_country[1];
2327 priv->param_country[2] = 0;
2328 priv->param_frameburst = modparam_frameburst;
2329 priv->param_afterburner = modparam_afterburner;
2330 priv->param_power_save = modparam_power_save;
2331 priv->param_power_output = modparam_power_output;
2332 priv->param_roamtrigger = modparam_roamtrigger;
2333 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 2334
2335 priv->param_country[0] = toupper(priv->param_country[0]);
2336 priv->param_country[1] = toupper(priv->param_country[1]);
2337 /* doesn't support EU as country code, use FI instead */
2338 if (!strcmp(priv->param_country, "EU"))
2339 strcpy(priv->param_country, "FI");
2340
2341 if (priv->param_power_save < 0)
2342 priv->param_power_save = 0;
2343 else if (priv->param_power_save > 2)
2344 priv->param_power_save = 2;
2345
a7624837
JK		 2346 if (priv->param_power_output < 0)
2347 priv->param_power_output = 0;
2348 else if (priv->param_power_output > 3)
2349 priv->param_power_output = 3;
2350
bf164cc0
JK		 2351 if (priv->param_roamtrigger < -80)
2352 priv->param_roamtrigger = -80;
2353 else if (priv->param_roamtrigger > -60)
2354 priv->param_roamtrigger = -60;
2355
2356 if (priv->param_roamdelta < 0)
2357 priv->param_roamdelta = 0;
2358 else if (priv->param_roamdelta > 2)
2359 priv->param_roamdelta = 2;
2360
4d381ffb 2361 if (modparam_workaround_interval < 0)
bf164cc0 2362 priv->param_workaround_interval = 500;
4d381ffb
RK		 2363 else
2364 priv->param_workaround_interval = modparam_workaround_interval;
bf164cc0 2365
a19d7292
JK		 2366 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2367 rndis_set_config_parameter_str(usbdev, "FrameBursting",
bf164cc0 2368 priv->param_frameburst ? "1" : "0");
a19d7292 2369 rndis_set_config_parameter_str(usbdev, "Afterburner",
bf164cc0
JK		 2370 priv->param_afterburner ? "1" : "0");
2371 sprintf(buf, "%d", priv->param_power_save);
a19d7292 2372 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
bf164cc0 2373 sprintf(buf, "%d", priv->param_power_output);
a19d7292 2374 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
bf164cc0 2375 sprintf(buf, "%d", priv->param_roamtrigger);
a19d7292 2376 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
bf164cc0 2377 sprintf(buf, "%d", priv->param_roamdelta);
a19d7292 2378 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
bf164cc0
JK		 2379
2380 return 0;
2381}
2382
23d12e2b
DM		 2383/* same as rndis_netdev_ops but with local multicast handler */
2384static const struct net_device_ops rndis_wext_netdev_ops = {
2385 .ndo_open = usbnet_open,
2386 .ndo_stop = usbnet_stop,
2387 .ndo_start_xmit = usbnet_start_xmit,
2388 .ndo_tx_timeout = usbnet_tx_timeout,
2389 .ndo_set_mac_address = eth_mac_addr,
2390 .ndo_validate_addr = eth_validate_addr,
2391 .ndo_set_multicast_list = rndis_wext_set_multicast_list,
2392};
2393
bf164cc0 2394
a19d7292 2395static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 2396{
5c8fa4f7 2397 struct wiphy *wiphy;
bf164cc0
JK		 2398 struct rndis_wext_private *priv;
2399 int retval, len;
2400 __le32 tmp;
2401
5c8fa4f7
JL		 2402 /* allocate wiphy and rndis private data
2403 * NOTE: We only support a single virtual interface, so wiphy
2404 * and wireless_dev are somewhat synonymous for this device.
2405 */
2406 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wext_private));
2407 if (!wiphy)
bf164cc0
JK		 2408 return -ENOMEM;
2409
5c8fa4f7
JL		 2410 priv = wiphy_priv(wiphy);
2411 usbdev->net->ieee80211_ptr = &priv->wdev;
2412 priv->wdev.wiphy = wiphy;
2413 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2414
bf164cc0
JK		 2415 /* These have to be initialized before calling generic_rndis_bind().
2416 * Otherwise we'll be in big trouble in rndis_wext_early_init().
2417 */
a19d7292 2418 usbdev->driver_priv = priv;
a19d7292
JK		 2419 usbdev->net->wireless_handlers = &rndis_iw_handlers;
2420 priv->usbdev = usbdev;
bf164cc0
JK		 2421
2422 mutex_init(&priv->command_lock);
2423 spin_lock_init(&priv->stats_lock);
2424
2425 /* try bind rndis_host */
a19d7292 2426 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
bf164cc0
JK		 2427 if (retval < 0)
2428 goto fail;
2429
2430 /* generic_rndis_bind set packet filter to multicast_all+
2431 * promisc mode which doesn't work well for our devices (device
2432 * picks up rssi to closest station instead of to access point).
2433 *
2434 * rndis_host wants to avoid all OID as much as possible
2435 * so do promisc/multicast handling in rndis_wext.
2436 */
23d12e2b
DM		 2437 usbdev->net->netdev_ops = &rndis_wext_netdev_ops;
2438
bf164cc0 2439 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
a19d7292 2440 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
bf164cc0
JK		 2441 sizeof(tmp));
2442
2443 len = sizeof(tmp);
a19d7292
JK		 2444 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2445 &len);
bf164cc0
JK		 2446 priv->multicast_size = le32_to_cpu(tmp);
2447 if (retval < 0 || priv->multicast_size < 0)
2448 priv->multicast_size = 0;
2449 if (priv->multicast_size > 0)
a19d7292 2450 usbdev->net->flags |= IFF_MULTICAST;
bf164cc0 2451 else
a19d7292 2452 usbdev->net->flags &= ~IFF_MULTICAST;
bf164cc0
JK		 2453
2454 priv->iwstats.qual.qual = 0;
2455 priv->iwstats.qual.level = 0;
2456 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2457 | IW_QUAL_LEVEL_UPDATED
2458 | IW_QUAL_NOISE_INVALID
2459 | IW_QUAL_QUAL_INVALID
2460 | IW_QUAL_LEVEL_INVALID;
2461
5c8fa4f7
JL		 2462 /* fill-out wiphy structure and register w/ cfg80211 */
2463 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2464 wiphy->privid = rndis_wiphy_privid;
2465 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2466 | BIT(NL80211_IFTYPE_ADHOC);
2467 wiphy->max_scan_ssids = 1;
2468
2469 /* TODO: fill-out band information based on priv->caps */
a19d7292 2470 rndis_wext_get_caps(usbdev);
5c8fa4f7
JL		 2471
2472 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2473 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2474 priv->band.channels = priv->channels;
2475 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2476 priv->band.bitrates = priv->rates;
2477 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2478 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
4d2a369e 2479 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
5c8fa4f7
JL		 2480
2481 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2482
2483 if (wiphy_register(wiphy)) {
2484 wiphy_free(wiphy);
2485 return -ENODEV;
2486 }
2487
a19d7292 2488 set_default_iw_params(usbdev);
bf164cc0
JK		 2489
2490 /* turn radio on */
2491 priv->radio_on = 1;
a19d7292
JK		 2492 disassociate(usbdev, 1);
2493 netif_carrier_off(usbdev->net);
bf164cc0
JK		 2494
2495 /* because rndis_command() sleeps we need to use workqueue */
2496 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2497 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2498 queue_delayed_work(priv->workqueue, &priv->stats_work,
2499 round_jiffies_relative(STATS_UPDATE_JIFFIES));
71a7b26d 2500 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
bf164cc0
JK		 2501 INIT_WORK(&priv->work, rndis_wext_worker);
2502
2503 return 0;
2504
2505fail:
2506 kfree(priv);
2507 return retval;
2508}
2509
2510
a19d7292 2511static void rndis_wext_unbind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 2512{
a19d7292 2513 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
bf164cc0
JK		 2514
2515 /* turn radio off */
a19d7292 2516 disassociate(usbdev, 0);
bf164cc0
JK		 2517
2518 cancel_delayed_work_sync(&priv->stats_work);
71a7b26d 2519 cancel_delayed_work_sync(&priv->scan_work);
bf164cc0
JK		 2520 cancel_work_sync(&priv->work);
2521 flush_workqueue(priv->workqueue);
2522 destroy_workqueue(priv->workqueue);
2523
2524 if (priv && priv->wpa_ie_len)
2525 kfree(priv->wpa_ie);
bf164cc0 2526
a19d7292 2527 rndis_unbind(usbdev, intf);
5c8fa4f7
JL		 2528
2529 wiphy_unregister(priv->wdev.wiphy);
2530 wiphy_free(priv->wdev.wiphy);
bf164cc0
JK		 2531}
2532
2533
a19d7292 2534static int rndis_wext_reset(struct usbnet *usbdev)
bf164cc0 2535{
a19d7292 2536 return deauthenticate(usbdev);
bf164cc0
JK		 2537}
2538
2539
2540static const struct driver_info bcm4320b_info = {
2541 .description = "Wireless RNDIS device, BCM4320b based",
2542 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2543 .bind = rndis_wext_bind,
2544 .unbind = rndis_wext_unbind,
2545 .status = rndis_status,
2546 .rx_fixup = rndis_rx_fixup,
2547 .tx_fixup = rndis_tx_fixup,
2548 .reset = rndis_wext_reset,
2549 .early_init = bcm4320_early_init,
2550 .link_change = rndis_wext_link_change,
2551};
2552
2553static const struct driver_info bcm4320a_info = {
2554 .description = "Wireless RNDIS device, BCM4320a based",
2555 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2556 .bind = rndis_wext_bind,
2557 .unbind = rndis_wext_unbind,
2558 .status = rndis_status,
2559 .rx_fixup = rndis_rx_fixup,
2560 .tx_fixup = rndis_tx_fixup,
2561 .reset = rndis_wext_reset,
2562 .early_init = bcm4320_early_init,
2563 .link_change = rndis_wext_link_change,
2564};
2565
2566static const struct driver_info rndis_wext_info = {
2567 .description = "Wireless RNDIS device",
2568 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2569 .bind = rndis_wext_bind,
2570 .unbind = rndis_wext_unbind,
2571 .status = rndis_status,
2572 .rx_fixup = rndis_rx_fixup,
2573 .tx_fixup = rndis_tx_fixup,
2574 .reset = rndis_wext_reset,
2575 .early_init = bcm4320_early_init,
2576 .link_change = rndis_wext_link_change,
2577};
2578
2579/*-------------------------------------------------------------------------*/
2580
2581static const struct usb_device_id products [] = {
2582#define RNDIS_MASTER_INTERFACE \
2583 .bInterfaceClass = USB_CLASS_COMM, \
2584 .bInterfaceSubClass = 2 /* ACM */, \
2585 .bInterfaceProtocol = 0x0ff
2586
2587/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2588 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2589 */
2590{
2591 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2592 | USB_DEVICE_ID_MATCH_DEVICE,
2593 .idVendor = 0x0411,
2594 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2595 RNDIS_MASTER_INTERFACE,
2596 .driver_info = (unsigned long) &bcm4320b_info,
2597}, {
2598 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2599 | USB_DEVICE_ID_MATCH_DEVICE,
2600 .idVendor = 0x0baf,
2601 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2602 RNDIS_MASTER_INTERFACE,
2603 .driver_info = (unsigned long) &bcm4320b_info,
2604}, {
2605 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2606 | USB_DEVICE_ID_MATCH_DEVICE,
2607 .idVendor = 0x050d,
2608 .idProduct = 0x011b, /* Belkin F5D7051 */
2609 RNDIS_MASTER_INTERFACE,
2610 .driver_info = (unsigned long) &bcm4320b_info,
2611}, {
2612 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2613 | USB_DEVICE_ID_MATCH_DEVICE,
2614 .idVendor = 0x1799, /* Belkin has two vendor ids */
2615 .idProduct = 0x011b, /* Belkin F5D7051 */
2616 RNDIS_MASTER_INTERFACE,
2617 .driver_info = (unsigned long) &bcm4320b_info,
2618}, {
2619 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2620 | USB_DEVICE_ID_MATCH_DEVICE,
2621 .idVendor = 0x13b1,
2622 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2623 RNDIS_MASTER_INTERFACE,
2624 .driver_info = (unsigned long) &bcm4320b_info,
2625}, {
2626 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2627 | USB_DEVICE_ID_MATCH_DEVICE,
2628 .idVendor = 0x13b1,
2629 .idProduct = 0x0026, /* Linksys WUSB54GSC */
2630 RNDIS_MASTER_INTERFACE,
2631 .driver_info = (unsigned long) &bcm4320b_info,
2632}, {
2633 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2634 | USB_DEVICE_ID_MATCH_DEVICE,
2635 .idVendor = 0x0b05,
2636 .idProduct = 0x1717, /* Asus WL169gE */
2637 RNDIS_MASTER_INTERFACE,
2638 .driver_info = (unsigned long) &bcm4320b_info,
2639}, {
2640 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2641 | USB_DEVICE_ID_MATCH_DEVICE,
2642 .idVendor = 0x0a5c,
2643 .idProduct = 0xd11b, /* Eminent EM4045 */
2644 RNDIS_MASTER_INTERFACE,
2645 .driver_info = (unsigned long) &bcm4320b_info,
2646}, {
2647 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2648 | USB_DEVICE_ID_MATCH_DEVICE,
2649 .idVendor = 0x1690,
2650 .idProduct = 0x0715, /* BT Voyager 1055 */
2651 RNDIS_MASTER_INTERFACE,
2652 .driver_info = (unsigned long) &bcm4320b_info,
2653},
2654/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
2655 * parameters available, hardware probably contain older firmware version with
2656 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
2657 */
2658{
2659 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2660 | USB_DEVICE_ID_MATCH_DEVICE,
2661 .idVendor = 0x13b1,
2662 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
2663 RNDIS_MASTER_INTERFACE,
2664 .driver_info = (unsigned long) &bcm4320a_info,
2665}, {
2666 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2667 | USB_DEVICE_ID_MATCH_DEVICE,
2668 .idVendor = 0x0baf,
2669 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
2670 RNDIS_MASTER_INTERFACE,
2671 .driver_info = (unsigned long) &bcm4320a_info,
2672}, {
2673 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2674 | USB_DEVICE_ID_MATCH_DEVICE,
2675 .idVendor = 0x0411,
2676 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
2677 RNDIS_MASTER_INTERFACE,
2678 .driver_info = (unsigned long) &bcm4320a_info,
2679},
2680/* Generic Wireless RNDIS devices that we don't have exact
2681 * idVendor/idProduct/chip yet.
2682 */
2683{
2684 /* RNDIS is MSFT's un-official variant of CDC ACM */
2685 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
2686 .driver_info = (unsigned long) &rndis_wext_info,
2687}, {
2688 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
2689 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
2690 .driver_info = (unsigned long) &rndis_wext_info,
2691},
2692 { }, // END
2693};
2694MODULE_DEVICE_TABLE(usb, products);
2695
2696static struct usb_driver rndis_wlan_driver = {
2697 .name = "rndis_wlan",
2698 .id_table = products,
2699 .probe = usbnet_probe,
2700 .disconnect = usbnet_disconnect,
2701 .suspend = usbnet_suspend,
2702 .resume = usbnet_resume,
2703};
2704
2705static int __init rndis_wlan_init(void)
2706{
2707 return usb_register(&rndis_wlan_driver);
2708}
2709module_init(rndis_wlan_init);
2710
2711static void __exit rndis_wlan_exit(void)
2712{
2713 usb_deregister(&rndis_wlan_driver);
2714}
2715module_exit(rndis_wlan_exit);
2716
2717MODULE_AUTHOR("Bjorge Dijkstra");
2718MODULE_AUTHOR("Jussi Kivilinna");
2719MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
2720MODULE_LICENSE("GPL");
2721
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