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iwlwifi: fix rate scale TLC column selection bug
[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>
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>
40#include <linux/if_arp.h>
41#include <linux/ctype.h>
42#include <linux/spinlock.h>
43#include <net/iw_handler.h>
44#include <net/ieee80211.h>
45#include <linux/usb/usbnet.h>
46#include <linux/usb/rndis_host.h>
47
48
49/* NOTE: All these are settings for Broadcom chipset */
50static char modparam_country[4] = "EU";
51module_param_string(country, modparam_country, 4, 0444);
52MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
53
54static int modparam_frameburst = 1;
55module_param_named(frameburst, modparam_frameburst, int, 0444);
56MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
57
58static int modparam_afterburner = 0;
59module_param_named(afterburner, modparam_afterburner, int, 0444);
60MODULE_PARM_DESC(afterburner,
61 "enable afterburner aka '125 High Speed Mode' (default: off)");
62
63static int modparam_power_save = 0;
64module_param_named(power_save, modparam_power_save, int, 0444);
65MODULE_PARM_DESC(power_save,
66 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
67
68static int modparam_power_output = 3;
69module_param_named(power_output, modparam_power_output, int, 0444);
70MODULE_PARM_DESC(power_output,
71 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
72
73static int modparam_roamtrigger = -70;
74module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
75MODULE_PARM_DESC(roamtrigger,
76 "set roaming dBm trigger: -80=optimize for distance, "
77 "-60=bandwidth (default: -70)");
78
79static int modparam_roamdelta = 1;
80module_param_named(roamdelta, modparam_roamdelta, int, 0444);
81MODULE_PARM_DESC(roamdelta,
82 "set roaming tendency: 0=aggressive, 1=moderate, "
83 "2=conservative (default: moderate)");
84
85static int modparam_workaround_interval = 500;
86module_param_named(workaround_interval, modparam_workaround_interval,
87 int, 0444);
88MODULE_PARM_DESC(workaround_interval,
89 "set stall workaround interval in msecs (default: 500)");
90
91
92/* various RNDIS OID defs */
93#define OID_GEN_LINK_SPEED ccpu2(0x00010107)
94#define OID_GEN_RNDIS_CONFIG_PARAMETER ccpu2(0x0001021b)
95
96#define OID_GEN_XMIT_OK ccpu2(0x00020101)
97#define OID_GEN_RCV_OK ccpu2(0x00020102)
98#define OID_GEN_XMIT_ERROR ccpu2(0x00020103)
99#define OID_GEN_RCV_ERROR ccpu2(0x00020104)
100#define OID_GEN_RCV_NO_BUFFER ccpu2(0x00020105)
101
102#define OID_802_3_PERMANENT_ADDRESS ccpu2(0x01010101)
103#define OID_802_3_CURRENT_ADDRESS ccpu2(0x01010102)
104#define OID_802_3_MULTICAST_LIST ccpu2(0x01010103)
105#define OID_802_3_MAXIMUM_LIST_SIZE ccpu2(0x01010104)
106
107#define OID_802_11_BSSID ccpu2(0x0d010101)
108#define OID_802_11_SSID ccpu2(0x0d010102)
109#define OID_802_11_INFRASTRUCTURE_MODE ccpu2(0x0d010108)
110#define OID_802_11_ADD_WEP ccpu2(0x0d010113)
111#define OID_802_11_REMOVE_WEP ccpu2(0x0d010114)
112#define OID_802_11_DISASSOCIATE ccpu2(0x0d010115)
113#define OID_802_11_AUTHENTICATION_MODE ccpu2(0x0d010118)
114#define OID_802_11_PRIVACY_FILTER ccpu2(0x0d010119)
115#define OID_802_11_BSSID_LIST_SCAN ccpu2(0x0d01011a)
116#define OID_802_11_ENCRYPTION_STATUS ccpu2(0x0d01011b)
117#define OID_802_11_ADD_KEY ccpu2(0x0d01011d)
118#define OID_802_11_REMOVE_KEY ccpu2(0x0d01011e)
4364623c 119#define OID_802_11_ASSOCIATION_INFORMATION ccpu2(0x0d01011f)
bf164cc0
JK		 120#define OID_802_11_PMKID ccpu2(0x0d010123)
121#define OID_802_11_NETWORK_TYPES_SUPPORTED ccpu2(0x0d010203)
122#define OID_802_11_NETWORK_TYPE_IN_USE ccpu2(0x0d010204)
123#define OID_802_11_TX_POWER_LEVEL ccpu2(0x0d010205)
124#define OID_802_11_RSSI ccpu2(0x0d010206)
125#define OID_802_11_RSSI_TRIGGER ccpu2(0x0d010207)
126#define OID_802_11_FRAGMENTATION_THRESHOLD ccpu2(0x0d010209)
127#define OID_802_11_RTS_THRESHOLD ccpu2(0x0d01020a)
128#define OID_802_11_SUPPORTED_RATES ccpu2(0x0d01020e)
129#define OID_802_11_CONFIGURATION ccpu2(0x0d010211)
130#define OID_802_11_BSSID_LIST ccpu2(0x0d010217)
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.
141 * 13dBm == 19.9mW
142 */
143#define BCM4320_DEFAULT_TXPOWER 20
144
145
146/* codes for "status" field of completion messages */
147#define RNDIS_STATUS_ADAPTER_NOT_READY ccpu2(0xc0010011)
148#define RNDIS_STATUS_ADAPTER_NOT_OPEN ccpu2(0xc0010012)
149
150
151/* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
152 * slightly modified for datatype endianess, etc
153 */
154#define NDIS_802_11_LENGTH_SSID 32
155#define NDIS_802_11_LENGTH_RATES 8
156#define NDIS_802_11_LENGTH_RATES_EX 16
157
1e41e1d2
JK		 158enum ndis_80211_net_type {
159 ndis_80211_type_freq_hop,
160 ndis_80211_type_direct_seq,
161 ndis_80211_type_ofdm_a,
162 ndis_80211_type_ofdm_g
163};
164
165enum ndis_80211_net_infra {
166 ndis_80211_infra_adhoc,
167 ndis_80211_infra_infra,
168 ndis_80211_infra_auto_unknown
169};
170
171enum ndis_80211_auth_mode {
172 ndis_80211_auth_open,
173 ndis_80211_auth_shared,
174 ndis_80211_auth_auto_switch,
175 ndis_80211_auth_wpa,
176 ndis_80211_auth_wpa_psk,
177 ndis_80211_auth_wpa_none,
178 ndis_80211_auth_wpa2,
179 ndis_80211_auth_wpa2_psk
180};
181
182enum ndis_80211_encr_status {
183 ndis_80211_encr_wep_enabled,
184 ndis_80211_encr_disabled,
185 ndis_80211_encr_wep_key_absent,
186 ndis_80211_encr_not_supported,
187 ndis_80211_encr_tkip_enabled,
188 ndis_80211_encr_tkip_key_absent,
189 ndis_80211_encr_ccmp_enabled,
190 ndis_80211_encr_ccmp_key_absent
191};
192
193enum ndis_80211_priv_filter {
194 ndis_80211_priv_accept_all,
195 ndis_80211_priv_8021x_wep
196};
197
198struct ndis_80211_ssid {
461b3f2a
JK		 199 __le32 length;
200 u8 essid[NDIS_802_11_LENGTH_SSID];
bf164cc0
JK		 201} __attribute__((packed));
202
1e41e1d2 203struct ndis_80211_conf_freq_hop {
461b3f2a
JK		 204 __le32 length;
205 __le32 hop_pattern;
206 __le32 hop_set;
207 __le32 dwell_time;
bf164cc0
JK		 208} __attribute__((packed));
209
1e41e1d2 210struct ndis_80211_conf {
461b3f2a
JK		 211 __le32 length;
212 __le32 beacon_period;
213 __le32 atim_window;
214 __le32 ds_config;
215 struct ndis_80211_conf_freq_hop fh_config;
bf164cc0
JK		 216} __attribute__((packed));
217
1e41e1d2 218struct ndis_80211_bssid_ex {
461b3f2a
JK		 219 __le32 length;
220 u8 mac[6];
221 u8 padding[2];
222 struct ndis_80211_ssid ssid;
223 __le32 privacy;
224 __le32 rssi;
225 __le32 net_type;
226 struct ndis_80211_conf config;
227 __le32 net_infra;
228 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
229 __le32 ie_length;
230 u8 ies[0];
bf164cc0
JK		 231} __attribute__((packed));
232
1e41e1d2 233struct ndis_80211_bssid_list_ex {
461b3f2a
JK		 234 __le32 num_items;
235 struct ndis_80211_bssid_ex bssid[0];
bf164cc0
JK		 236} __attribute__((packed));
237
1e41e1d2 238struct ndis_80211_fixed_ies {
461b3f2a
JK		 239 u8 timestamp[8];
240 __le16 beacon_interval;
241 __le16 capabilities;
bf164cc0
JK		 242} __attribute__((packed));
243
1e41e1d2 244struct ndis_80211_wep_key {
461b3f2a
JK		 245 __le32 size;
246 __le32 index;
247 __le32 length;
248 u8 material[32];
bf164cc0
JK		 249} __attribute__((packed));
250
1e41e1d2 251struct ndis_80211_key {
461b3f2a
JK		 252 __le32 size;
253 __le32 index;
254 __le32 length;
255 u8 bssid[6];
256 u8 padding[6];
257 u8 rsc[8];
258 u8 material[32];
bf164cc0
JK		 259} __attribute__((packed));
260
1e41e1d2 261struct ndis_80211_remove_key {
461b3f2a
JK		 262 __le32 size;
263 __le32 index;
264 u8 bssid[6];
bf164cc0
JK		 265} __attribute__((packed));
266
1e41e1d2 267struct ndis_config_param {
461b3f2a
JK		 268 __le32 name_offs;
269 __le32 name_length;
270 __le32 type;
271 __le32 value_offs;
272 __le32 value_length;
bf164cc0
JK		 273} __attribute__((packed));
274
4364623c
SA		 275struct ndis_80211_assoc_info {
276 __le32 length;
277 __le16 req_ies;
278 struct req_ie {
279 __le16 capa;
280 __le16 listen_interval;
281 u8 cur_ap_address[6];
282 } req_ie;
283 __le32 req_ie_length;
284 __le32 offset_req_ies;
285 __le16 resp_ies;
286 struct resp_ie {
287 __le16 capa;
288 __le16 status_code;
289 __le16 assoc_id;
290 } resp_ie;
291 __le32 resp_ie_length;
292 __le32 offset_resp_ies;
293} __attribute__((packed));
294
bf164cc0 295/* these have to match what is in wpa_supplicant */
5b0acc64
JB		 296enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
297enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
298 CIPHER_WEP104 };
299enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
300 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
bf164cc0
JK		 301
302/*
303 * private data
304 */
305#define NET_TYPE_11FB 0
306
307#define CAP_MODE_80211A 1
308#define CAP_MODE_80211B 2
309#define CAP_MODE_80211G 4
310#define CAP_MODE_MASK 7
311#define CAP_SUPPORT_TXPOWER 8
312
313#define WORK_CONNECTION_EVENT (1<<0)
314#define WORK_SET_MULTICAST_LIST (1<<1)
315
316/* RNDIS device private data */
317struct rndis_wext_private {
318 char name[32];
319
320 struct usbnet *usbdev;
321
322 struct workqueue_struct *workqueue;
323 struct delayed_work stats_work;
324 struct work_struct work;
325 struct mutex command_lock;
326 spinlock_t stats_lock;
327 unsigned long work_pending;
328
329 struct iw_statistics iwstats;
330 struct iw_statistics privstats;
331
332 int nick_len;
333 char nick[32];
334
335 int caps;
336 int multicast_size;
337
338 /* module parameters */
339 char param_country[4];
340 int param_frameburst;
341 int param_afterburner;
342 int param_power_save;
343 int param_power_output;
344 int param_roamtrigger;
345 int param_roamdelta;
346 u32 param_workaround_interval;
347
348 /* hardware state */
349 int radio_on;
350 int infra_mode;
1e41e1d2 351 struct ndis_80211_ssid essid;
bf164cc0
JK		 352
353 /* encryption stuff */
354 int encr_tx_key_index;
355 char encr_keys[4][32];
356 int encr_key_len[4];
357 int wpa_version;
358 int wpa_keymgmt;
359 int wpa_authalg;
360 int wpa_ie_len;
361 u8 *wpa_ie;
362 int wpa_cipher_pair;
363 int wpa_cipher_group;
364};
365
366
367static const int freq_chan[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
368 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
369
370static const int rates_80211g[8] = { 6, 9, 12, 18, 24, 36, 48, 54 };
371
372static const int bcm4320_power_output[4] = { 25, 50, 75, 100 };
373
374static const unsigned char zero_bssid[ETH_ALEN] = {0,};
375static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
376 0xff, 0xff, 0xff };
377
378
379static struct rndis_wext_private *get_rndis_wext_priv(struct usbnet *dev)
380{
381 return (struct rndis_wext_private *)dev->driver_priv;
382}
383
384
385static u32 get_bcm4320_power(struct rndis_wext_private *priv)
386{
387 return BCM4320_DEFAULT_TXPOWER *
388 bcm4320_power_output[priv->param_power_output] / 100;
389}
390
391
392/* translate error code */
393static int rndis_error_status(__le32 rndis_status)
394{
395 int ret = -EINVAL;
396 switch (rndis_status) {
397 case RNDIS_STATUS_SUCCESS:
398 ret = 0;
399 break;
400 case RNDIS_STATUS_FAILURE:
401 case RNDIS_STATUS_INVALID_DATA:
402 ret = -EINVAL;
403 break;
404 case RNDIS_STATUS_NOT_SUPPORTED:
405 ret = -EOPNOTSUPP;
406 break;
407 case RNDIS_STATUS_ADAPTER_NOT_READY:
408 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
409 ret = -EBUSY;
410 break;
411 }
412 return ret;
413}
414
415
416static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
417{
418 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
419 union {
420 void *buf;
421 struct rndis_msg_hdr *header;
422 struct rndis_query *get;
423 struct rndis_query_c *get_c;
424 } u;
425 int ret, buflen;
426
427 buflen = *len + sizeof(*u.get);
428 if (buflen < CONTROL_BUFFER_SIZE)
429 buflen = CONTROL_BUFFER_SIZE;
430 u.buf = kmalloc(buflen, GFP_KERNEL);
431 if (!u.buf)
432 return -ENOMEM;
433 memset(u.get, 0, sizeof *u.get);
434 u.get->msg_type = RNDIS_MSG_QUERY;
435 u.get->msg_len = ccpu2(sizeof *u.get);
436 u.get->oid = oid;
437
438 mutex_lock(&priv->command_lock);
439 ret = rndis_command(dev, u.header);
440 mutex_unlock(&priv->command_lock);
441
442 if (ret == 0) {
443 ret = le32_to_cpu(u.get_c->len);
444 *len = (*len > ret) ? ret : *len;
445 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
446 ret = rndis_error_status(u.get_c->status);
447 }
448
449 kfree(u.buf);
450 return ret;
451}
452
453
454static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
455{
456 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
457 union {
458 void *buf;
459 struct rndis_msg_hdr *header;
460 struct rndis_set *set;
461 struct rndis_set_c *set_c;
462 } u;
463 int ret, buflen;
464
465 buflen = len + sizeof(*u.set);
466 if (buflen < CONTROL_BUFFER_SIZE)
467 buflen = CONTROL_BUFFER_SIZE;
468 u.buf = kmalloc(buflen, GFP_KERNEL);
469 if (!u.buf)
470 return -ENOMEM;
471
472 memset(u.set, 0, sizeof *u.set);
473 u.set->msg_type = RNDIS_MSG_SET;
474 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
475 u.set->oid = oid;
476 u.set->len = cpu_to_le32(len);
477 u.set->offset = ccpu2(sizeof(*u.set) - 8);
478 u.set->handle = ccpu2(0);
479 memcpy(u.buf + sizeof(*u.set), data, len);
480
481 mutex_lock(&priv->command_lock);
482 ret = rndis_command(dev, u.header);
483 mutex_unlock(&priv->command_lock);
484
485 if (ret == 0)
486 ret = rndis_error_status(u.set_c->status);
487
488 kfree(u.buf);
489 return ret;
490}
491
492
493/*
494 * Specs say that we can only set config parameters only soon after device
495 * initialization.
496 * value_type: 0 = u32, 2 = unicode string
497 */
498static int rndis_set_config_parameter(struct usbnet *dev, char *param,
499 int value_type, void *value)
500{
1e41e1d2 501 struct ndis_config_param *infobuf;
bf164cc0
JK		 502 int value_len, info_len, param_len, ret, i;
503 __le16 *unibuf;
504 __le32 *dst_value;
505
506 if (value_type == 0)
507 value_len = sizeof(__le32);
508 else if (value_type == 2)
509 value_len = strlen(value) * sizeof(__le16);
510 else
511 return -EINVAL;
512
513 param_len = strlen(param) * sizeof(__le16);
514 info_len = sizeof(*infobuf) + param_len + value_len;
515
516#ifdef DEBUG
517 info_len += 12;
518#endif
519 infobuf = kmalloc(info_len, GFP_KERNEL);
520 if (!infobuf)
521 return -ENOMEM;
522
523#ifdef DEBUG
524 info_len -= 12;
525 /* extra 12 bytes are for padding (debug output) */
526 memset(infobuf, 0xCC, info_len + 12);
527#endif
528
529 if (value_type == 2)
530 devdbg(dev, "setting config parameter: %s, value: %s",
531 param, (u8 *)value);
532 else
533 devdbg(dev, "setting config parameter: %s, value: %d",
534 param, *(u32 *)value);
535
461b3f2a
JK		 536 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
537 infobuf->name_length = cpu_to_le32(param_len);
538 infobuf->type = cpu_to_le32(value_type);
539 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
540 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 541
542 /* simple string to unicode string conversion */
543 unibuf = (void *)infobuf + sizeof(*infobuf);
544 for (i = 0; i < param_len / sizeof(__le16); i++)
545 unibuf[i] = cpu_to_le16(param[i]);
546
547 if (value_type == 2) {
548 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
549 for (i = 0; i < value_len / sizeof(__le16); i++)
550 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
551 } else {
552 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
553 *dst_value = cpu_to_le32(*(u32 *)value);
554 }
555
556#ifdef DEBUG
557 devdbg(dev, "info buffer (len: %d):", info_len);
558 for (i = 0; i < info_len; i += 12) {
559 u32 *tmp = (u32 *)((u8 *)infobuf + i);
560 devdbg(dev, "%08X:%08X:%08X",
561 cpu_to_be32(tmp[0]),
562 cpu_to_be32(tmp[1]),
563 cpu_to_be32(tmp[2]));
564 }
565#endif
566
567 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
568 infobuf, info_len);
569 if (ret != 0)
570 devdbg(dev, "setting rndis config paramater failed, %d.", ret);
571
572 kfree(infobuf);
573 return ret;
574}
575
576static int rndis_set_config_parameter_str(struct usbnet *dev,
577 char *param, char *value)
578{
579 return(rndis_set_config_parameter(dev, param, 2, value));
580}
581
582/*static int rndis_set_config_parameter_u32(struct usbnet *dev,
583 char *param, u32 value)
584{
585 return(rndis_set_config_parameter(dev, param, 0, &value));
586}*/
587
588
589/*
590 * data conversion functions
591 */
592static int level_to_qual(int level)
593{
594 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
595 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
596}
597
598
599static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
600{
601 freq->e = 0;
602 freq->i = 0;
603 freq->flags = 0;
604
605 /* see comment in wireless.h above the "struct iw_freq"
606 * definition for an explanation of this if
607 * NOTE: 1000000 is due to the kHz
608 */
609 if (dsconfig > 1000000) {
610 freq->m = dsconfig / 10;
611 freq->e = 1;
612 } else
613 freq->m = dsconfig;
614
615 /* convert from kHz to Hz */
616 freq->e += 3;
617}
618
619
620static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
621{
622 if (freq->m < 1000 && freq->e == 0) {
623 if (freq->m >= 1 &&
624 freq->m <= (sizeof(freq_chan) / sizeof(freq_chan[0])))
625 *dsconfig = freq_chan[freq->m - 1] * 1000;
626 else
627 return -1;
628 } else {
629 int i;
630 *dsconfig = freq->m;
631 for (i = freq->e; i > 0; i--)
632 *dsconfig *= 10;
633 *dsconfig /= 1000;
634 }
635
636 return 0;
637}
638
639
640/*
641 * common functions
642 */
643static int
644add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index);
645
1e41e1d2 646static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0
JK		 647{
648 int ret, len;
649
650 len = sizeof(*ssid);
651 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
652
653 if (ret != 0)
461b3f2a 654 ssid->length = 0;
bf164cc0
JK		 655
656#ifdef DEBUG
657 {
658 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
659
461b3f2a
JK		 660 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
661 tmp[le32_to_cpu(ssid->length)] = 0;
bf164cc0
JK		 662 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
663 }
664#endif
665 return ret;
666}
667
668
1e41e1d2 669static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0
JK		 670{
671 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
672 int ret;
673
674 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
675 if (ret == 0) {
676 memcpy(&priv->essid, ssid, sizeof(priv->essid));
677 priv->radio_on = 1;
678 devdbg(usbdev, "set_essid: radio_on = 1");
679 }
680
681 return ret;
682}
683
684
685static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
686{
687 int ret, len;
688
689 len = ETH_ALEN;
690 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
691
692 if (ret != 0)
693 memset(bssid, 0, ETH_ALEN);
694
695 return ret;
696}
697
4364623c
SA		 698static int get_association_info(struct usbnet *usbdev,
699 struct ndis_80211_assoc_info *info, int len)
700{
701 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
702 info, &len);
703}
bf164cc0
JK		 704
705static int is_associated(struct usbnet *usbdev)
706{
707 u8 bssid[ETH_ALEN];
708 int ret;
709
710 ret = get_bssid(usbdev, bssid);
711
712 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
713}
714
715
716static int disassociate(struct usbnet *usbdev, int reset_ssid)
717{
718 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1e41e1d2 719 struct ndis_80211_ssid ssid;
bf164cc0
JK		 720 int i, ret = 0;
721
722 if (priv->radio_on) {
723 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
724 if (ret == 0) {
725 priv->radio_on = 0;
726 devdbg(usbdev, "disassociate: radio_on = 0");
727
728 if (reset_ssid)
729 msleep(100);
730 }
731 }
732
733 /* disassociate causes radio to be turned off; if reset_ssid
734 * is given, set random ssid to enable radio */
735 if (reset_ssid) {
461b3f2a
JK		 736 ssid.length = cpu_to_le32(sizeof(ssid.essid));
737 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
738 ssid.essid[0] = 0x1;
739 ssid.essid[1] = 0xff;
740 for (i = 2; i < sizeof(ssid.essid); i++)
741 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 742 ret = set_essid(usbdev, &ssid);
743 }
744 return ret;
745}
746
747
748static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
749{
750 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
751 __le32 tmp;
752 int auth_mode, ret;
753
754 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
755 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
756
757 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
758 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1e41e1d2 759 auth_mode = ndis_80211_auth_wpa2;
bf164cc0 760 else
1e41e1d2 761 auth_mode = ndis_80211_auth_wpa2_psk;
bf164cc0
JK		 762 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
763 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1e41e1d2 764 auth_mode = ndis_80211_auth_wpa;
bf164cc0 765 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
1e41e1d2 766 auth_mode = ndis_80211_auth_wpa_psk;
bf164cc0 767 else
1e41e1d2 768 auth_mode = ndis_80211_auth_wpa_none;
bf164cc0
JK		 769 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
770 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
1e41e1d2 771 auth_mode = ndis_80211_auth_auto_switch;
bf164cc0 772 else
1e41e1d2 773 auth_mode = ndis_80211_auth_shared;
bf164cc0 774 } else
1e41e1d2 775 auth_mode = ndis_80211_auth_open;
bf164cc0
JK		 776
777 tmp = cpu_to_le32(auth_mode);
778 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
779 sizeof(tmp));
780 if (ret != 0) {
781 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
782 return ret;
783 }
784
785 priv->wpa_version = wpa_version;
786 priv->wpa_authalg = authalg;
787 return 0;
788}
789
790
791static int set_priv_filter(struct usbnet *usbdev)
792{
793 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
794 __le32 tmp;
795
796 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
797
798 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
799 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
1e41e1d2 800 tmp = cpu_to_le32(ndis_80211_priv_8021x_wep);
bf164cc0 801 else
1e41e1d2 802 tmp = cpu_to_le32(ndis_80211_priv_accept_all);
bf164cc0
JK		 803
804 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
805 sizeof(tmp));
806}
807
808
809static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
810{
811 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
812 __le32 tmp;
813 int encr_mode, ret;
814
815 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
816 pairwise,
817 groupwise);
818
819 if (pairwise & IW_AUTH_CIPHER_CCMP)
1e41e1d2 820 encr_mode = ndis_80211_encr_ccmp_enabled;
bf164cc0 821 else if (pairwise & IW_AUTH_CIPHER_TKIP)
1e41e1d2 822 encr_mode = ndis_80211_encr_tkip_enabled;
bf164cc0
JK		 823 else if (pairwise &
824 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
1e41e1d2 825 encr_mode = ndis_80211_encr_wep_enabled;
bf164cc0 826 else if (groupwise & IW_AUTH_CIPHER_CCMP)
1e41e1d2 827 encr_mode = ndis_80211_encr_ccmp_enabled;
bf164cc0 828 else if (groupwise & IW_AUTH_CIPHER_TKIP)
1e41e1d2 829 encr_mode = ndis_80211_encr_tkip_enabled;
bf164cc0 830 else
1e41e1d2 831 encr_mode = ndis_80211_encr_disabled;
bf164cc0
JK		 832
833 tmp = cpu_to_le32(encr_mode);
834 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
835 sizeof(tmp));
836 if (ret != 0) {
837 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
838 return ret;
839 }
840
841 priv->wpa_cipher_pair = pairwise;
842 priv->wpa_cipher_group = groupwise;
843 return 0;
844}
845
846
847static int set_assoc_params(struct usbnet *usbdev)
848{
849 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
850
851 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
852 set_priv_filter(usbdev);
853 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
854
855 return 0;
856}
857
858
859static int set_infra_mode(struct usbnet *usbdev, int mode)
860{
861 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
862 __le32 tmp;
863 int ret, i;
864
865 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
866
867 tmp = cpu_to_le32(mode);
868 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
869 sizeof(tmp));
870 if (ret != 0) {
871 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
872 return ret;
873 }
874
875 /* NDIS drivers clear keys when infrastructure mode is
876 * changed. But Linux tools assume otherwise. So set the
877 * keys */
878 if (priv->wpa_keymgmt == 0 ||
879 priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) {
880 for (i = 0; i < 4; i++) {
881 if (priv->encr_key_len[i] > 0)
882 add_wep_key(usbdev, priv->encr_keys[i],
883 priv->encr_key_len[i], i);
884 }
885 }
886
887 priv->infra_mode = mode;
888 return 0;
889}
890
891
892static void set_default_iw_params(struct usbnet *usbdev)
893{
894 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
895
896 priv->wpa_keymgmt = 0;
897 priv->wpa_version = 0;
898
1e41e1d2 899 set_infra_mode(usbdev, ndis_80211_infra_infra);
bf164cc0
JK		 900 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
901 IW_AUTH_ALG_OPEN_SYSTEM);
902 set_priv_filter(usbdev);
903 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
904}
905
906
907static int deauthenticate(struct usbnet *usbdev)
908{
909 int ret;
910
911 ret = disassociate(usbdev, 1);
912 set_default_iw_params(usbdev);
913 return ret;
914}
915
916
917/* index must be 0 - N, as per NDIS */
918static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
919{
920 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1e41e1d2 921 struct ndis_80211_wep_key ndis_key;
bf164cc0
JK		 922 int ret;
923
924 if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4)
925 return -EINVAL;
926
927 memset(&ndis_key, 0, sizeof(ndis_key));
928
461b3f2a
JK		 929 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
930 ndis_key.length = cpu_to_le32(key_len);
931 ndis_key.index = cpu_to_le32(index);
932 memcpy(&ndis_key.material, key, key_len);
bf164cc0
JK		 933
934 if (index == priv->encr_tx_key_index) {
461b3f2a 935 ndis_key.index |= cpu_to_le32(1 << 31);
bf164cc0
JK		 936 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
937 IW_AUTH_CIPHER_NONE);
938 if (ret)
939 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
940 ret);
941 }
942
943 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
944 sizeof(ndis_key));
945 if (ret != 0) {
946 devwarn(usbdev, "adding encryption key %d failed (%08X)",
947 index+1, ret);
948 return ret;
949 }
950
951 priv->encr_key_len[index] = key_len;
952 memcpy(&priv->encr_keys[index], key, key_len);
953
954 return 0;
955}
956
957
958/* remove_key is for both wep and wpa */
959static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
960{
961 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1e41e1d2 962 struct ndis_80211_remove_key remove_key;
bf164cc0
JK		 963 __le32 keyindex;
964 int ret;
965
966 if (priv->encr_key_len[index] == 0)
967 return 0;
968
969 priv->encr_key_len[index] = 0;
970 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
971
972 if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP ||
973 priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP ||
974 priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP ||
975 priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) {
461b3f2a
JK		 976 remove_key.size = cpu_to_le32(sizeof(remove_key));
977 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 978 if (bssid) {
979 /* pairwise key */
980 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
461b3f2a
JK		 981 remove_key.index |= cpu_to_le32(1 << 30);
982 memcpy(remove_key.bssid, bssid,
983 sizeof(remove_key.bssid));
bf164cc0 984 } else
461b3f2a
JK		 985 memset(remove_key.bssid, 0xff,
986 sizeof(remove_key.bssid));
bf164cc0
JK		 987
988 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
989 sizeof(remove_key));
990 if (ret != 0)
991 return ret;
992 } else {
993 keyindex = cpu_to_le32(index);
994 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
995 sizeof(keyindex));
996 if (ret != 0) {
997 devwarn(usbdev,
998 "removing encryption key %d failed (%08X)",
999 index, ret);
1000 return ret;
1001 }
1002 }
1003
1004 /* if it is transmit key, disable encryption */
1005 if (index == priv->encr_tx_key_index)
1006 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1007
1008 return 0;
1009}
1010
1011
1012static void set_multicast_list(struct usbnet *usbdev)
1013{
1014 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1015 struct dev_mc_list *mclist;
1016 __le32 filter;
1017 int ret, i, size;
1018 char *buf;
1019
1020 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1021
1022 if (usbdev->net->flags & IFF_PROMISC) {
1023 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1024 RNDIS_PACKET_TYPE_ALL_LOCAL;
1025 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1026 usbdev->net->mc_count > priv->multicast_size) {
1027 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1028 } else if (usbdev->net->mc_count > 0) {
1029 size = min(priv->multicast_size, usbdev->net->mc_count);
1030 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1031 if (!buf) {
1032 devwarn(usbdev,
1033 "couldn't alloc %d bytes of memory",
1034 size * ETH_ALEN);
1035 return;
1036 }
1037
1038 mclist = usbdev->net->mc_list;
1039 for (i = 0; i < size && mclist; mclist = mclist->next) {
1040 if (mclist->dmi_addrlen != ETH_ALEN)
1041 continue;
1042
1043 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1044 i++;
1045 }
1046
1047 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1048 i * ETH_ALEN);
1049 if (ret == 0 && i > 0)
1050 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1051 else
1052 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1053
1054 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1055 i, priv->multicast_size, ret);
1056
1057 kfree(buf);
1058 }
1059
1060 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1061 sizeof(filter));
1062 if (ret < 0) {
1063 devwarn(usbdev, "couldn't set packet filter: %08x",
1064 le32_to_cpu(filter));
1065 }
1066
1067 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1068 le32_to_cpu(filter), ret);
1069}
1070
1071
1072/*
1073 * wireless extension handlers
1074 */
1075
1076static int rndis_iw_commit(struct net_device *dev,
1077 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1078{
1079 /* dummy op */
1080 return 0;
1081}
1082
1083
1084static int rndis_iw_get_range(struct net_device *dev,
1085 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1086{
1087 struct iw_range *range = (struct iw_range *)extra;
1088 struct usbnet *usbdev = dev->priv;
1089 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1090 int len, ret, i, j, num, has_80211g_rates;
1091 u8 rates[8];
1092 __le32 tx_power;
1093
1094 devdbg(usbdev, "SIOCGIWRANGE");
1095
1096 /* clear iw_range struct */
1097 memset(range, 0, sizeof(*range));
1098 wrqu->data.length = sizeof(*range);
1099
1100 range->txpower_capa = IW_TXPOW_MWATT;
1101 range->num_txpower = 1;
1102 if (priv->caps & CAP_SUPPORT_TXPOWER) {
1103 len = sizeof(tx_power);
1104 ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
1105 &tx_power, &len);
1106 if (ret == 0 && le32_to_cpu(tx_power) != 0xFF)
1107 range->txpower[0] = le32_to_cpu(tx_power);
1108 else
1109 range->txpower[0] = get_bcm4320_power(priv);
1110 } else
1111 range->txpower[0] = get_bcm4320_power(priv);
1112
1113 len = sizeof(rates);
1114 ret = rndis_query_oid(usbdev, OID_802_11_SUPPORTED_RATES, &rates,
1115 &len);
1116 has_80211g_rates = 0;
1117 if (ret == 0) {
1118 j = 0;
1119 for (i = 0; i < len; i++) {
1120 if (rates[i] == 0)
1121 break;
1122 range->bitrate[j] = (rates[i] & 0x7f) * 500000;
1123 /* check for non 802.11b rates */
1124 if (range->bitrate[j] == 6000000 ||
1125 range->bitrate[j] == 9000000 ||
1126 (range->bitrate[j] >= 12000000 &&
1127 range->bitrate[j] != 22000000))
1128 has_80211g_rates = 1;
1129 j++;
1130 }
1131 range->num_bitrates = j;
1132 } else
1133 range->num_bitrates = 0;
1134
1135 /* fill in 802.11g rates */
1136 if (has_80211g_rates) {
1137 num = range->num_bitrates;
1138 for (i = 0; i < sizeof(rates_80211g); i++) {
1139 for (j = 0; j < num; j++) {
1140 if (range->bitrate[j] ==
1141 rates_80211g[i] * 1000000)
1142 break;
1143 }
1144 if (j == num)
1145 range->bitrate[range->num_bitrates++] =
1146 rates_80211g[i] * 1000000;
1147 if (range->num_bitrates == IW_MAX_BITRATES)
1148 break;
1149 }
1150
1151 /* estimated max real througput in bps */
1152 range->throughput = 54 * 1000 * 1000 / 2;
1153
1154 /* ~35% more with afterburner */
1155 if (priv->param_afterburner)
1156 range->throughput = range->throughput / 100 * 135;
1157 } else {
1158 /* estimated max real througput in bps */
1159 range->throughput = 11 * 1000 * 1000 / 2;
1160 }
1161
1162 range->num_channels = (sizeof(freq_chan)/sizeof(freq_chan[0]));
1163
1164 for (i = 0; i < (sizeof(freq_chan)/sizeof(freq_chan[0])) &&
1165 i < IW_MAX_FREQUENCIES; i++) {
1166 range->freq[i].i = i + 1;
1167 range->freq[i].m = freq_chan[i] * 100000;
1168 range->freq[i].e = 1;
1169 }
1170 range->num_frequency = i;
1171
1172 range->min_rts = 0;
1173 range->max_rts = 2347;
1174 range->min_frag = 256;
1175 range->max_frag = 2346;
1176
1177 range->max_qual.qual = 100;
1178 range->max_qual.level = 154;
1179 range->max_qual.updated = IW_QUAL_QUAL_UPDATED
1180 | IW_QUAL_LEVEL_UPDATED
1181 | IW_QUAL_NOISE_INVALID;
1182
1183 range->we_version_compiled = WIRELESS_EXT;
1184 range->we_version_source = WIRELESS_EXT;
1185
1186 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1187 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1188 return 0;
1189}
1190
1191
1192static int rndis_iw_get_name(struct net_device *dev,
1193 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1194{
1195 struct usbnet *usbdev = dev->priv;
1196 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1197
1198 strcpy(wrqu->name, priv->name);
1199 return 0;
1200}
1201
1202
1203static int rndis_iw_set_essid(struct net_device *dev,
1204 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1205{
1e41e1d2 1206 struct ndis_80211_ssid ssid;
bf164cc0
JK		 1207 int length = wrqu->essid.length;
1208 struct usbnet *usbdev = dev->priv;
1209
1210 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1211 wrqu->essid.flags, wrqu->essid.length, essid);
1212
1213 if (length > NDIS_802_11_LENGTH_SSID)
1214 length = NDIS_802_11_LENGTH_SSID;
1215
461b3f2a 1216 ssid.length = cpu_to_le32(length);
bf164cc0 1217 if (length > 0)
461b3f2a 1218 memcpy(ssid.essid, essid, length);
bf164cc0 1219 else
461b3f2a 1220 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
bf164cc0
JK		 1221
1222 set_assoc_params(usbdev);
1223
1224 if (!wrqu->essid.flags || length == 0)
1225 return disassociate(usbdev, 1);
1226 else
1227 return set_essid(usbdev, &ssid);
1228}
1229
1230
1231static int rndis_iw_get_essid(struct net_device *dev,
1232 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1233{
1e41e1d2 1234 struct ndis_80211_ssid ssid;
bf164cc0
JK		 1235 struct usbnet *usbdev = dev->priv;
1236 int ret;
1237
1238 ret = get_essid(usbdev, &ssid);
1239
461b3f2a 1240 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
bf164cc0 1241 wrqu->essid.flags = 1;
461b3f2a
JK		 1242 wrqu->essid.length = le32_to_cpu(ssid.length);
1243 memcpy(essid, ssid.essid, wrqu->essid.length);
bf164cc0
JK		 1244 essid[wrqu->essid.length] = 0;
1245 } else {
1246 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1247 wrqu->essid.flags = 0;
1248 wrqu->essid.length = 0;
1249 }
1250 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1251 return ret;
1252}
1253
1254
1255static int rndis_iw_get_bssid(struct net_device *dev,
1256 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1257{
1258 struct usbnet *usbdev = dev->priv;
1259 unsigned char bssid[ETH_ALEN];
1260 int ret;
1261 DECLARE_MAC_BUF(mac);
1262
1263 ret = get_bssid(usbdev, bssid);
1264
1265 if (ret == 0)
1266 devdbg(usbdev, "SIOCGIWAP: %s", print_mac(mac, bssid));
1267 else
1268 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1269
1270 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1271 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1272
1273 return ret;
1274}
1275
1276
1277static int rndis_iw_set_bssid(struct net_device *dev,
1278 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1279{
1280 struct usbnet *usbdev = dev->priv;
1281 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
1282 DECLARE_MAC_BUF(mac);
1283 int ret;
1284
1285 devdbg(usbdev, "SIOCSIWAP: %s", print_mac(mac, bssid));
1286
1287 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1288
1289 /* user apps may set ap's mac address, which is not required;
1290 * they may fail to work if this function fails, so return
1291 * success */
1292 if (ret)
1293 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1294
1295 return 0;
1296}
1297
1298
1299static int rndis_iw_set_auth(struct net_device *dev,
1300 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1301{
1302 struct iw_param *p = &wrqu->param;
1303 struct usbnet *usbdev = dev->priv;
1304 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1305 int ret = -ENOTSUPP;
1306
1307 switch (p->flags & IW_AUTH_INDEX) {
1308 case IW_AUTH_WPA_VERSION:
1309 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1310 priv->wpa_version = p->value;
1311 ret = 0;
1312 break;
1313
1314 case IW_AUTH_CIPHER_PAIRWISE:
1315 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1316 priv->wpa_cipher_pair = p->value;
1317 ret = 0;
1318 break;
1319
1320 case IW_AUTH_CIPHER_GROUP:
1321 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1322 priv->wpa_cipher_group = p->value;
1323 ret = 0;
1324 break;
1325
1326 case IW_AUTH_KEY_MGMT:
1327 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1328 priv->wpa_keymgmt = p->value;
1329 ret = 0;
1330 break;
1331
1332 case IW_AUTH_TKIP_COUNTERMEASURES:
1333 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1334 p->value);
1335 ret = 0;
1336 break;
1337
1338 case IW_AUTH_DROP_UNENCRYPTED:
1339 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1340 ret = 0;
1341 break;
1342
1343 case IW_AUTH_80211_AUTH_ALG:
1344 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1345 priv->wpa_authalg = p->value;
1346 ret = 0;
1347 break;
1348
1349 case IW_AUTH_WPA_ENABLED:
1350 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1351 if (wrqu->param.value)
1352 deauthenticate(usbdev);
1353 ret = 0;
1354 break;
1355
1356 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1357 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1358 p->value);
1359 ret = 0;
1360 break;
1361
1362 case IW_AUTH_ROAMING_CONTROL:
1363 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1364 ret = 0;
1365 break;
1366
1367 case IW_AUTH_PRIVACY_INVOKED:
1368 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1369 wrqu->param.flags & IW_AUTH_INDEX);
1370 return -EOPNOTSUPP;
1371
1372 default:
1373 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1374 p->flags & IW_AUTH_INDEX, p->value);
1375 }
1376 return ret;
1377}
1378
1379
1380static int rndis_iw_get_auth(struct net_device *dev,
1381 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1382{
1383 struct iw_param *p = &wrqu->param;
1384 struct usbnet *usbdev = dev->priv;
1385 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1386
1387 switch (p->flags & IW_AUTH_INDEX) {
1388 case IW_AUTH_WPA_VERSION:
1389 p->value = priv->wpa_version;
1390 break;
1391 case IW_AUTH_CIPHER_PAIRWISE:
1392 p->value = priv->wpa_cipher_pair;
1393 break;
1394 case IW_AUTH_CIPHER_GROUP:
1395 p->value = priv->wpa_cipher_group;
1396 break;
1397 case IW_AUTH_KEY_MGMT:
1398 p->value = priv->wpa_keymgmt;
1399 break;
1400 case IW_AUTH_80211_AUTH_ALG:
1401 p->value = priv->wpa_authalg;
1402 break;
1403 default:
1404 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1405 wrqu->param.flags & IW_AUTH_INDEX);
1406 return -EOPNOTSUPP;
1407 }
1408 return 0;
1409}
1410
1411
1412static int rndis_iw_get_mode(struct net_device *dev,
1413 struct iw_request_info *info,
1414 union iwreq_data *wrqu, char *extra)
1415{
1416 struct usbnet *usbdev = dev->priv;
1417 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1418
1419 switch (priv->infra_mode) {
1e41e1d2 1420 case ndis_80211_infra_adhoc:
bf164cc0
JK		 1421 wrqu->mode = IW_MODE_ADHOC;
1422 break;
1e41e1d2 1423 case ndis_80211_infra_infra:
bf164cc0
JK		 1424 wrqu->mode = IW_MODE_INFRA;
1425 break;
1e41e1d2 1426 /*case ndis_80211_infra_auto_unknown:*/
bf164cc0
JK		 1427 default:
1428 wrqu->mode = IW_MODE_AUTO;
1429 break;
1430 }
1431 devdbg(usbdev, "SIOCGIWMODE: %08x", wrqu->mode);
1432 return 0;
1433}
1434
1435
1436static int rndis_iw_set_mode(struct net_device *dev,
1437 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1438{
1439 struct usbnet *usbdev = dev->priv;
1440 int mode;
1441
1442 devdbg(usbdev, "SIOCSIWMODE: %08x", wrqu->mode);
1443
1444 switch (wrqu->mode) {
1445 case IW_MODE_ADHOC:
1e41e1d2 1446 mode = ndis_80211_infra_adhoc;
bf164cc0
JK		 1447 break;
1448 case IW_MODE_INFRA:
1e41e1d2 1449 mode = ndis_80211_infra_infra;
bf164cc0
JK		 1450 break;
1451 /*case IW_MODE_AUTO:*/
1452 default:
1e41e1d2 1453 mode = ndis_80211_infra_auto_unknown;
bf164cc0
JK		 1454 break;
1455 }
1456
1457 return set_infra_mode(usbdev, mode);
1458}
1459
1460
1461static int rndis_iw_set_encode(struct net_device *dev,
1462 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1463{
1464 struct usbnet *usbdev = dev->priv;
1465 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1466 int ret, index, key_len;
1467 u8 *key;
1468
1469 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1470
1471 /* iwconfig gives index as 1 - N */
1472 if (index > 0)
1473 index--;
1474 else
1475 index = priv->encr_tx_key_index;
1476
1477 if (index < 0 || index >= 4) {
1478 devwarn(usbdev, "encryption index out of range (%u)", index);
1479 return -EINVAL;
1480 }
1481
1482 /* remove key if disabled */
1483 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
1484 if (remove_key(usbdev, index, NULL))
1485 return -EINVAL;
1486 else
1487 return 0;
1488 }
1489
1490 /* global encryption state (for all keys) */
1491 if (wrqu->data.flags & IW_ENCODE_OPEN)
1492 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1493 IW_AUTH_ALG_OPEN_SYSTEM);
1494 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
1495 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1496 IW_AUTH_ALG_SHARED_KEY);
1497 if (ret != 0)
1498 return ret;
1499
1500 if (wrqu->data.length > 0) {
1501 key_len = wrqu->data.length;
1502 key = extra;
1503 } else {
1504 /* must be set as tx key */
1505 if (priv->encr_key_len[index] == 0)
1506 return -EINVAL;
1507 key_len = priv->encr_key_len[index];
1508 key = priv->encr_keys[index];
1509 priv->encr_tx_key_index = index;
1510 }
1511
1512 if (add_wep_key(usbdev, key, key_len, index) != 0)
1513 return -EINVAL;
1514
1515 if (index == priv->encr_tx_key_index)
1516 /* ndis drivers want essid to be set after setting encr */
1517 set_essid(usbdev, &priv->essid);
1518
1519 return 0;
1520}
1521
1522
1523static int rndis_iw_set_encode_ext(struct net_device *dev,
1524 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1525{
1526 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1527 struct usbnet *usbdev = dev->priv;
1528 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1e41e1d2 1529 struct ndis_80211_key ndis_key;
cdb2a9fe 1530 int keyidx, ret;
bf164cc0
JK		 1531 u8 *addr;
1532
1533 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
1534
1535 /* iwconfig gives index as 1 - N */
1536 if (keyidx)
1537 keyidx--;
1538 else
1539 keyidx = priv->encr_tx_key_index;
1540
1541 if (keyidx < 0 || keyidx >= 4)
1542 return -EINVAL;
1543
1544 if (ext->alg == WPA_ALG_WEP) {
1545 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1546 priv->encr_tx_key_index = keyidx;
1547 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
1548 }
1549
1550 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
1551 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
1552 return remove_key(usbdev, keyidx, NULL);
1553
461b3f2a 1554 if (ext->key_len > sizeof(ndis_key.material))
bf164cc0
JK		 1555 return -1;
1556
1557 memset(&ndis_key, 0, sizeof(ndis_key));
1558
461b3f2a
JK		 1559 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1560 sizeof(ndis_key.material) + ext->key_len);
1561 ndis_key.length = cpu_to_le32(ext->key_len);
1562 ndis_key.index = cpu_to_le32(keyidx);
bf164cc0
JK		 1563
1564 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
461b3f2a
JK		 1565 memcpy(ndis_key.rsc, ext->rx_seq, 6);
1566 ndis_key.index |= cpu_to_le32(1 << 29);
bf164cc0
JK		 1567 }
1568
1569 addr = ext->addr.sa_data;
1570 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1571 /* group key */
1e41e1d2 1572 if (priv->infra_mode == ndis_80211_infra_adhoc)
461b3f2a 1573 memset(ndis_key.bssid, 0xff, ETH_ALEN);
bf164cc0 1574 else
461b3f2a 1575 get_bssid(usbdev, ndis_key.bssid);
bf164cc0
JK		 1576 } else {
1577 /* pairwise key */
461b3f2a
JK		 1578 ndis_key.index |= cpu_to_le32(1 << 30);
1579 memcpy(ndis_key.bssid, addr, ETH_ALEN);
bf164cc0
JK		 1580 }
1581
1582 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
461b3f2a 1583 ndis_key.index |= cpu_to_le32(1 << 31);
bf164cc0
JK		 1584
1585 if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) {
1586 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1587 * different order than NDIS spec, so swap the order here. */
461b3f2a
JK		 1588 memcpy(ndis_key.material, ext->key, 16);
1589 memcpy(ndis_key.material + 16, ext->key + 24, 8);
1590 memcpy(ndis_key.material + 24, ext->key + 16, 8);
bf164cc0 1591 } else
461b3f2a 1592 memcpy(ndis_key.material, ext->key, ext->key_len);
bf164cc0
JK		 1593
1594 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
461b3f2a 1595 le32_to_cpu(ndis_key.size));
bf164cc0
JK		 1596 devdbg(usbdev, "SIOCSIWENCODEEXT: OID_802_11_ADD_KEY -> %08X", ret);
1597 if (ret != 0)
1598 return ret;
1599
1600 priv->encr_key_len[keyidx] = ext->key_len;
461b3f2a 1601 memcpy(&priv->encr_keys[keyidx], ndis_key.material, ext->key_len);
bf164cc0
JK		 1602 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1603 priv->encr_tx_key_index = keyidx;
1604
1605 return 0;
1606}
1607
1608
1609static int rndis_iw_set_scan(struct net_device *dev,
1610 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1611{
1612 struct iw_param *param = &wrqu->param;
1613 struct usbnet *usbdev = dev->priv;
1614 union iwreq_data evt;
1615 int ret = -EINVAL;
1616 __le32 tmp;
1617
1618 devdbg(usbdev, "SIOCSIWSCAN");
1619
1620 if (param->flags == 0) {
1621 tmp = ccpu2(1);
1622 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1623 sizeof(tmp));
1624 evt.data.flags = 0;
1625 evt.data.length = 0;
1626 wireless_send_event(dev, SIOCGIWSCAN, &evt, NULL);
1627 }
1628 return ret;
1629}
1630
1631
1632static char *rndis_translate_scan(struct net_device *dev,
1e41e1d2 1633 char *cev, char *end_buf, struct ndis_80211_bssid_ex *bssid)
bf164cc0
JK		 1634{
1635#ifdef DEBUG
1636 struct usbnet *usbdev = dev->priv;
1637#endif
1638 struct ieee80211_info_element *ie;
1639 char *current_val;
1640 int bssid_len, ie_len, i;
1641 u32 beacon, atim;
1642 struct iw_event iwe;
1643 unsigned char sbuf[32];
1644 DECLARE_MAC_BUF(mac);
1645
461b3f2a 1646 bssid_len = le32_to_cpu(bssid->length);
bf164cc0 1647
461b3f2a 1648 devdbg(usbdev, "BSSID %s", print_mac(mac, bssid->mac));
bf164cc0
JK		 1649 iwe.cmd = SIOCGIWAP;
1650 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
461b3f2a 1651 memcpy(iwe.u.ap_addr.sa_data, bssid->mac, ETH_ALEN);
bf164cc0
JK		 1652 cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_ADDR_LEN);
1653
461b3f2a
JK		 1654 devdbg(usbdev, "SSID(%d) %s", le32_to_cpu(bssid->ssid.length),
1655 bssid->ssid.essid);
bf164cc0 1656 iwe.cmd = SIOCGIWESSID;
461b3f2a 1657 iwe.u.essid.length = le32_to_cpu(bssid->ssid.length);
bf164cc0 1658 iwe.u.essid.flags = 1;
461b3f2a 1659 cev = iwe_stream_add_point(cev, end_buf, &iwe, bssid->ssid.essid);
bf164cc0 1660
461b3f2a 1661 devdbg(usbdev, "MODE %d", le32_to_cpu(bssid->net_infra));
bf164cc0 1662 iwe.cmd = SIOCGIWMODE;
461b3f2a 1663 switch (le32_to_cpu(bssid->net_infra)) {
1e41e1d2 1664 case ndis_80211_infra_adhoc:
bf164cc0
JK		 1665 iwe.u.mode = IW_MODE_ADHOC;
1666 break;
1e41e1d2 1667 case ndis_80211_infra_infra:
bf164cc0
JK		 1668 iwe.u.mode = IW_MODE_INFRA;
1669 break;
1e41e1d2 1670 /*case ndis_80211_infra_auto_unknown:*/
bf164cc0
JK		 1671 default:
1672 iwe.u.mode = IW_MODE_AUTO;
1673 break;
1674 }
1675 cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_UINT_LEN);
1676
461b3f2a 1677 devdbg(usbdev, "FREQ %d kHz", le32_to_cpu(bssid->config.ds_config));
bf164cc0 1678 iwe.cmd = SIOCGIWFREQ;
461b3f2a 1679 dsconfig_to_freq(le32_to_cpu(bssid->config.ds_config), &iwe.u.freq);
bf164cc0
JK		 1680 cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_FREQ_LEN);
1681
461b3f2a 1682 devdbg(usbdev, "QUAL %d", le32_to_cpu(bssid->rssi));
bf164cc0 1683 iwe.cmd = IWEVQUAL;
461b3f2a
JK		 1684 iwe.u.qual.qual = level_to_qual(le32_to_cpu(bssid->rssi));
1685 iwe.u.qual.level = le32_to_cpu(bssid->rssi);
bf164cc0
JK		 1686 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
1687 | IW_QUAL_LEVEL_UPDATED
1688 | IW_QUAL_NOISE_INVALID;
1689 cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_QUAL_LEN);
1690
461b3f2a 1691 devdbg(usbdev, "ENCODE %d", le32_to_cpu(bssid->privacy));
bf164cc0
JK		 1692 iwe.cmd = SIOCGIWENCODE;
1693 iwe.u.data.length = 0;
461b3f2a 1694 if (le32_to_cpu(bssid->privacy) == ndis_80211_priv_accept_all)
bf164cc0
JK		 1695 iwe.u.data.flags = IW_ENCODE_DISABLED;
1696 else
1697 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1698
1699 cev = iwe_stream_add_point(cev, end_buf, &iwe, NULL);
1700
1701 devdbg(usbdev, "RATES:");
1702 current_val = cev + IW_EV_LCP_LEN;
1703 iwe.cmd = SIOCGIWRATE;
461b3f2a
JK		 1704 for (i = 0; i < sizeof(bssid->rates); i++) {
1705 if (bssid->rates[i] & 0x7f) {
bf164cc0 1706 iwe.u.bitrate.value =
461b3f2a 1707 ((bssid->rates[i] & 0x7f) *
bf164cc0
JK		 1708 500000);
1709 devdbg(usbdev, " %d", iwe.u.bitrate.value);
1710 current_val = iwe_stream_add_value(cev,
1711 current_val, end_buf, &iwe,
1712 IW_EV_PARAM_LEN);
1713 }
1714 }
1715
1716 if ((current_val - cev) > IW_EV_LCP_LEN)
1717 cev = current_val;
1718
461b3f2a 1719 beacon = le32_to_cpu(bssid->config.beacon_period);
bf164cc0
JK		 1720 devdbg(usbdev, "BCN_INT %d", beacon);
1721 iwe.cmd = IWEVCUSTOM;
1722 snprintf(sbuf, sizeof(sbuf), "bcn_int=%d", beacon);
1723 iwe.u.data.length = strlen(sbuf);
1724 cev = iwe_stream_add_point(cev, end_buf, &iwe, sbuf);
1725
461b3f2a 1726 atim = le32_to_cpu(bssid->config.atim_window);
bf164cc0
JK		 1727 devdbg(usbdev, "ATIM %d", atim);
1728 iwe.cmd = IWEVCUSTOM;
1729 snprintf(sbuf, sizeof(sbuf), "atim=%u", atim);
1730 iwe.u.data.length = strlen(sbuf);
1731 cev = iwe_stream_add_point(cev, end_buf, &iwe, sbuf);
1732
461b3f2a 1733 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
bf164cc0 1734 ie_len = min(bssid_len - (int)sizeof(*bssid),
461b3f2a 1735 (int)le32_to_cpu(bssid->ie_length));
1e41e1d2 1736 ie_len -= sizeof(struct ndis_80211_fixed_ies);
bf164cc0
JK		 1737 while (ie_len >= sizeof(*ie) && sizeof(*ie) + ie->len <= ie_len) {
1738 if ((ie->id == MFIE_TYPE_GENERIC && ie->len >= 4 &&
1739 memcmp(ie->data, "\x00\x50\xf2\x01", 4) == 0) ||
1740 ie->id == MFIE_TYPE_RSN) {
1741 devdbg(usbdev, "IE: WPA%d",
1742 (ie->id == MFIE_TYPE_RSN) ? 2 : 1);
1743 iwe.cmd = IWEVGENIE;
1744 iwe.u.data.length = min(ie->len + 2, MAX_WPA_IE_LEN);
1745 cev = iwe_stream_add_point(cev, end_buf, &iwe,
1746 (u8 *)ie);
1747 }
1748
1749 ie_len -= sizeof(*ie) + ie->len;
1750 ie = (struct ieee80211_info_element *)&ie->data[ie->len];
1751 }
1752
1753 return cev;
1754}
1755
1756
1757static int rndis_iw_get_scan(struct net_device *dev,
1758 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1759{
1760 struct usbnet *usbdev = dev->priv;
1761 void *buf = NULL;
1762 char *cev = extra;
1e41e1d2
JK		 1763 struct ndis_80211_bssid_list_ex *bssid_list;
1764 struct ndis_80211_bssid_ex *bssid;
bf164cc0
JK		 1765 int ret = -EINVAL, len, count, bssid_len;
1766
1767 devdbg(usbdev, "SIOCGIWSCAN");
1768
1769 len = CONTROL_BUFFER_SIZE;
1770 buf = kmalloc(len, GFP_KERNEL);
1771 if (!buf) {
1772 ret = -ENOMEM;
1773 goto out;
1774 }
1775
1776 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1777
1778 if (ret != 0)
1779 goto out;
1780
1781 bssid_list = buf;
461b3f2a
JK		 1782 bssid = bssid_list->bssid;
1783 bssid_len = le32_to_cpu(bssid->length);
1784 count = le32_to_cpu(bssid_list->num_items);
bf164cc0
JK		 1785 devdbg(usbdev, "SIOCGIWSCAN: %d BSSIDs found", count);
1786
1787 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1788 cev = rndis_translate_scan(dev, cev, extra + IW_SCAN_MAX_DATA,
1789 bssid);
1790 bssid = (void *)bssid + bssid_len;
461b3f2a 1791 bssid_len = le32_to_cpu(bssid->length);
bf164cc0
JK		 1792 count--;
1793 }
1794
1795out:
1796 wrqu->data.length = cev - extra;
1797 wrqu->data.flags = 0;
1798 kfree(buf);
1799 return ret;
1800}
1801
1802
1803static int rndis_iw_set_genie(struct net_device *dev,
1804 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1805{
1806 struct usbnet *usbdev = dev->priv;
1807 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1808 int ret = 0;
1809
1810#ifdef DEBUG
1811 int j;
1812 u8 *gie = extra;
1813 for (j = 0; j < wrqu->data.length; j += 8)
1814 devdbg(usbdev,
1815 "SIOCSIWGENIE %04x - "
1816 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
1817 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
1818 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
1819#endif
1820 /* clear existing IEs */
1821 if (priv->wpa_ie_len) {
1822 kfree(priv->wpa_ie);
1823 priv->wpa_ie_len = 0;
1824 }
1825
1826 /* set new IEs */
1827 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
1828 if (priv->wpa_ie) {
1829 priv->wpa_ie_len = wrqu->data.length;
1830 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
1831 } else
1832 ret = -ENOMEM;
1833 return ret;
1834}
1835
1836
1837static int rndis_iw_get_genie(struct net_device *dev,
1838 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1839{
1840 struct usbnet *usbdev = dev->priv;
1841 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1842
1843 devdbg(usbdev, "SIOCGIWGENIE");
1844
1845 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
1846 wrqu->data.length = 0;
1847 return 0;
1848 }
1849
1850 if (wrqu->data.length < priv->wpa_ie_len)
1851 return -E2BIG;
1852
1853 wrqu->data.length = priv->wpa_ie_len;
1854 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
1855
1856 return 0;
1857}
1858
1859
1860static int rndis_iw_set_rts(struct net_device *dev,
1861 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1862{
1863 struct usbnet *usbdev = dev->priv;
1864 __le32 tmp;
1865 devdbg(usbdev, "SIOCSIWRTS");
1866
1867 tmp = cpu_to_le32(wrqu->rts.value);
1868 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1869 sizeof(tmp));
1870}
1871
1872
1873static int rndis_iw_get_rts(struct net_device *dev,
1874 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1875{
1876 struct usbnet *usbdev = dev->priv;
1877 __le32 tmp;
1878 int len, ret;
1879
1880 len = sizeof(tmp);
1881 ret = rndis_query_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, &len);
1882 if (ret == 0) {
1883 wrqu->rts.value = le32_to_cpu(tmp);
1884 wrqu->rts.flags = 1;
1885 wrqu->rts.disabled = 0;
1886 }
1887
1888 devdbg(usbdev, "SIOCGIWRTS: %d", wrqu->rts.value);
1889
1890 return ret;
1891}
1892
1893
1894static int rndis_iw_set_frag(struct net_device *dev,
1895 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1896{
1897 struct usbnet *usbdev = dev->priv;
1898 __le32 tmp;
1899
1900 devdbg(usbdev, "SIOCSIWFRAG");
1901
1902 tmp = cpu_to_le32(wrqu->frag.value);
1903 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1904 sizeof(tmp));
1905}
1906
1907
1908static int rndis_iw_get_frag(struct net_device *dev,
1909 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1910{
1911 struct usbnet *usbdev = dev->priv;
1912 __le32 tmp;
1913 int len, ret;
1914
1915 len = sizeof(tmp);
1916 ret = rndis_query_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1917 &len);
1918 if (ret == 0) {
1919 wrqu->frag.value = le32_to_cpu(tmp);
1920 wrqu->frag.flags = 1;
1921 wrqu->frag.disabled = 0;
1922 }
1923 devdbg(usbdev, "SIOCGIWFRAG: %d", wrqu->frag.value);
1924 return ret;
1925}
1926
1927
1928static int rndis_iw_set_nick(struct net_device *dev,
1929 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1930{
1931 struct usbnet *usbdev = dev->priv;
1932 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1933
1934 devdbg(usbdev, "SIOCSIWNICK");
1935
1936 priv->nick_len = wrqu->data.length;
1937 if (priv->nick_len > 32)
1938 priv->nick_len = 32;
1939
1940 memcpy(priv->nick, extra, priv->nick_len);
1941 return 0;
1942}
1943
1944
1945static int rndis_iw_get_nick(struct net_device *dev,
1946 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1947{
1948 struct usbnet *usbdev = dev->priv;
1949 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
1950
1951 wrqu->data.flags = 1;
1952 wrqu->data.length = priv->nick_len;
1953 memcpy(extra, priv->nick, priv->nick_len);
1954
1955 devdbg(usbdev, "SIOCGIWNICK: '%s'", priv->nick);
1956
1957 return 0;
1958}
1959
1960
1961static int rndis_iw_set_freq(struct net_device *dev,
1962 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1963{
1964 struct usbnet *usbdev = dev->priv;
1e41e1d2 1965 struct ndis_80211_conf config;
bf164cc0
JK		 1966 unsigned int dsconfig;
1967 int len, ret;
1968
1969 /* this OID is valid only when not associated */
1970 if (is_associated(usbdev))
1971 return 0;
1972
1973 dsconfig = 0;
1974 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
1975 return -EINVAL;
1976
1977 len = sizeof(config);
1978 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1979 if (ret != 0) {
1980 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
1981 return 0;
1982 }
1983
461b3f2a 1984 config.ds_config = cpu_to_le32(dsconfig);
bf164cc0
JK		 1985
1986 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
1987 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1988 sizeof(config));
1989}
1990
1991
1992static int rndis_iw_get_freq(struct net_device *dev,
1993 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1994{
1995 struct usbnet *usbdev = dev->priv;
1e41e1d2 1996 struct ndis_80211_conf config;
bf164cc0
JK		 1997 int len, ret;
1998
1999 len = sizeof(config);
2000 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2001 if (ret == 0)
461b3f2a 2002 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
bf164cc0
JK		 2003
2004 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
2005 return ret;
2006}
2007
2008
2009static int rndis_iw_get_txpower(struct net_device *dev,
2010 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2011{
2012 struct usbnet *usbdev = dev->priv;
2013 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2014 __le32 tx_power;
2015 int ret = 0, len;
2016
2017 if (priv->radio_on) {
2018 if (priv->caps & CAP_SUPPORT_TXPOWER) {
2019 len = sizeof(tx_power);
2020 ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
2021 &tx_power, &len);
2022 if (ret != 0)
2023 return ret;
2024 } else
2025 /* fake incase not supported */
2026 tx_power = cpu_to_le32(get_bcm4320_power(priv));
2027
2028 wrqu->txpower.flags = IW_TXPOW_MWATT;
2029 wrqu->txpower.value = le32_to_cpu(tx_power);
2030 wrqu->txpower.disabled = 0;
2031 } else {
2032 wrqu->txpower.flags = IW_TXPOW_MWATT;
2033 wrqu->txpower.value = 0;
2034 wrqu->txpower.disabled = 1;
2035 }
2036
2037 devdbg(usbdev, "SIOCGIWTXPOW: %d", wrqu->txpower.value);
2038
2039 return ret;
2040}
2041
2042
2043static int rndis_iw_set_txpower(struct net_device *dev,
2044 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2045{
2046 struct usbnet *usbdev = dev->priv;
2047 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2048 __le32 tx_power = 0;
2049 int ret = 0;
2050
2051 if (!wrqu->txpower.disabled) {
2052 if (wrqu->txpower.flags == IW_TXPOW_MWATT)
2053 tx_power = cpu_to_le32(wrqu->txpower.value);
2054 else { /* wrqu->txpower.flags == IW_TXPOW_DBM */
2055 if (wrqu->txpower.value > 20)
2056 tx_power = cpu_to_le32(128);
2057 else if (wrqu->txpower.value < -43)
2058 tx_power = cpu_to_le32(127);
2059 else {
2060 signed char tmp;
2061 tmp = wrqu->txpower.value;
2062 tmp = -12 - tmp;
2063 tmp <<= 2;
2064 tx_power = cpu_to_le32((unsigned char)tmp);
2065 }
2066 }
2067 }
2068
2069 devdbg(usbdev, "SIOCSIWTXPOW: %d", le32_to_cpu(tx_power));
2070
2071 if (le32_to_cpu(tx_power) != 0) {
2072 if (priv->caps & CAP_SUPPORT_TXPOWER) {
2073 /* turn radio on first */
2074 if (!priv->radio_on)
2075 disassociate(usbdev, 1);
2076
2077 ret = rndis_set_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
2078 &tx_power, sizeof(tx_power));
2079 if (ret != 0)
2080 ret = -EOPNOTSUPP;
2081 return ret;
2082 } else {
2083 /* txpower unsupported, just turn radio on */
2084 if (!priv->radio_on)
2085 return disassociate(usbdev, 1);
2086 return 0; /* all ready on */
2087 }
2088 }
2089
2090 /* tx_power == 0, turn off radio */
2091 return disassociate(usbdev, 0);
2092}
2093
2094
2095static int rndis_iw_get_rate(struct net_device *dev,
2096 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2097{
2098 struct usbnet *usbdev = dev->priv;
2099 __le32 tmp;
2100 int ret, len;
2101
2102 len = sizeof(tmp);
2103 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2104 if (ret == 0) {
2105 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2106 wrqu->bitrate.disabled = 0;
2107 wrqu->bitrate.flags = 1;
2108 }
2109 return ret;
2110}
2111
2112
2113static int rndis_iw_set_mlme(struct net_device *dev,
2114 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2115{
2116 struct usbnet *usbdev = dev->priv;
2117 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2118 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2119 unsigned char bssid[ETH_ALEN];
2120
2121 get_bssid(usbdev, bssid);
2122
2123 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2124 return -EINVAL;
2125
2126 switch (mlme->cmd) {
2127 case IW_MLME_DEAUTH:
2128 return deauthenticate(usbdev);
2129 case IW_MLME_DISASSOC:
2130 return disassociate(usbdev, priv->radio_on);
2131 default:
2132 return -EOPNOTSUPP;
2133 }
2134
2135 return 0;
2136}
2137
2138
2139static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2140{
2141 struct usbnet *usbdev = dev->priv;
2142 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2143 unsigned long flags;
2144
2145 spin_lock_irqsave(&priv->stats_lock, flags);
2146 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2147 spin_unlock_irqrestore(&priv->stats_lock, flags);
2148
2149 return &priv->iwstats;
2150}
2151
2152
2153#define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2154static const iw_handler rndis_iw_handler[] =
2155{
2156 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
2157 IW_IOCTL(SIOCGIWNAME) = rndis_iw_get_name,
2158 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2159 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
2160 IW_IOCTL(SIOCSIWMODE) = rndis_iw_set_mode,
2161 IW_IOCTL(SIOCGIWMODE) = rndis_iw_get_mode,
2162 IW_IOCTL(SIOCGIWRANGE) = rndis_iw_get_range,
2163 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2164 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
2165 IW_IOCTL(SIOCSIWSCAN) = rndis_iw_set_scan,
2166 IW_IOCTL(SIOCGIWSCAN) = rndis_iw_get_scan,
2167 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2168 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
2169 IW_IOCTL(SIOCSIWNICKN) = rndis_iw_set_nick,
2170 IW_IOCTL(SIOCGIWNICKN) = rndis_iw_get_nick,
2171 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2172 IW_IOCTL(SIOCSIWRTS) = rndis_iw_set_rts,
2173 IW_IOCTL(SIOCGIWRTS) = rndis_iw_get_rts,
2174 IW_IOCTL(SIOCSIWFRAG) = rndis_iw_set_frag,
2175 IW_IOCTL(SIOCGIWFRAG) = rndis_iw_get_frag,
2176 IW_IOCTL(SIOCSIWTXPOW) = rndis_iw_set_txpower,
2177 IW_IOCTL(SIOCGIWTXPOW) = rndis_iw_get_txpower,
2178 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2179 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2180 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2181 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2182 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2183 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2184 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2185};
2186
2187static const iw_handler rndis_wext_private_handler[] = {
2188};
2189
2190static const struct iw_priv_args rndis_wext_private_args[] = {
2191};
2192
2193
2194static const struct iw_handler_def rndis_iw_handlers = {
2195 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2196 .num_private = ARRAY_SIZE(rndis_wext_private_handler),
2197 .num_private_args = ARRAY_SIZE(rndis_wext_private_args),
2198 .standard = (iw_handler *)rndis_iw_handler,
2199 .private = (iw_handler *)rndis_wext_private_handler,
2200 .private_args = (struct iw_priv_args *)rndis_wext_private_args,
2201 .get_wireless_stats = rndis_get_wireless_stats,
2202};
2203
2204
2205static void rndis_wext_worker(struct work_struct *work)
2206{
2207 struct rndis_wext_private *priv =
2208 container_of(work, struct rndis_wext_private, work);
2209 struct usbnet *usbdev = priv->usbdev;
2210 union iwreq_data evt;
2211 unsigned char bssid[ETH_ALEN];
4364623c
SA		 2212 struct ndis_80211_assoc_info *info;
2213 int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
2214 int ret, offset;
bf164cc0
JK		 2215
2216 if (test_and_clear_bit(WORK_CONNECTION_EVENT, &priv->work_pending)) {
4364623c
SA		 2217 info = kzalloc(assoc_size, GFP_KERNEL);
2218 if (!info)
2219 goto get_bssid;
bf164cc0 2220
4364623c
SA		 2221 /* Get association info IEs from device and send them back to
2222 * userspace. */
2223 ret = get_association_info(usbdev, info, assoc_size);
2224 if (!ret) {
2225 evt.data.length = le32_to_cpu(info->req_ie_length);
2226 if (evt.data.length > 0) {
2227 offset = le32_to_cpu(info->offset_req_ies);
2228 wireless_send_event(usbdev->net,
2229 IWEVASSOCREQIE, &evt,
2230 (char *)info + offset);
2231 }
2232
2233 evt.data.length = le32_to_cpu(info->resp_ie_length);
2234 if (evt.data.length > 0) {
2235 offset = le32_to_cpu(info->offset_resp_ies);
2236 wireless_send_event(usbdev->net,
2237 IWEVASSOCRESPIE, &evt,
2238 (char *)info + offset);
2239 }
2240 }
2241
2242 kfree(info);
2243
2244get_bssid:
2245 ret = get_bssid(usbdev, bssid);
bf164cc0
JK		 2246 if (!ret) {
2247 evt.data.flags = 0;
2248 evt.data.length = 0;
2249 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2250 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2251 }
2252 }
2253
2254 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2255 set_multicast_list(usbdev);
2256}
2257
2258static void rndis_wext_set_multicast_list(struct net_device *dev)
2259{
2260 struct usbnet *usbdev = dev->priv;
2261 struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
2262
2263 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2264 queue_work(priv->workqueue, &priv->work);
2265}
2266
2267static void rndis_wext_link_change(struct usbnet *dev, int state)
2268{
2269 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
2270 union iwreq_data evt;
2271
2272 if (state) {
2273 /* queue work to avoid recursive calls into rndis_command */
2274 set_bit(WORK_CONNECTION_EVENT, &priv->work_pending);
2275 queue_work(priv->workqueue, &priv->work);
2276 } else {
2277 evt.data.flags = 0;
2278 evt.data.length = 0;
2279 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2280 wireless_send_event(dev->net, SIOCGIWAP, &evt, NULL);
2281 }
2282}
2283
2284
2285static int rndis_wext_get_caps(struct usbnet *dev)
2286{
2287 struct {
2288 __le32 num_items;
2289 __le32 items[8];
2290 } networks_supported;
2291 int len, retval, i, n;
2292 __le32 tx_power;
2293 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
2294
2295 /* determine if supports setting txpower */
2296 len = sizeof(tx_power);
2297 retval = rndis_query_oid(dev, OID_802_11_TX_POWER_LEVEL, &tx_power,
2298 &len);
2299 if (retval == 0 && le32_to_cpu(tx_power) != 0xFF)
2300 priv->caps |= CAP_SUPPORT_TXPOWER;
2301
2302 /* determine supported modes */
2303 len = sizeof(networks_supported);
2304 retval = rndis_query_oid(dev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2305 &networks_supported, &len);
2306 if (retval >= 0) {
2307 n = le32_to_cpu(networks_supported.num_items);
2308 if (n > 8)
2309 n = 8;
2310 for (i = 0; i < n; i++) {
2311 switch (le32_to_cpu(networks_supported.items[i])) {
1e41e1d2
JK		 2312 case ndis_80211_type_freq_hop:
2313 case ndis_80211_type_direct_seq:
bf164cc0
JK		 2314 priv->caps |= CAP_MODE_80211B;
2315 break;
1e41e1d2 2316 case ndis_80211_type_ofdm_a:
bf164cc0
JK		 2317 priv->caps |= CAP_MODE_80211A;
2318 break;
1e41e1d2 2319 case ndis_80211_type_ofdm_g:
bf164cc0
JK		 2320 priv->caps |= CAP_MODE_80211G;
2321 break;
2322 }
2323 }
2324 if (priv->caps & CAP_MODE_80211A)
2325 strcat(priv->name, "a");
2326 if (priv->caps & CAP_MODE_80211B)
2327 strcat(priv->name, "b");
2328 if (priv->caps & CAP_MODE_80211G)
2329 strcat(priv->name, "g");
2330 }
2331
2332 return retval;
2333}
2334
2335
2336#define STATS_UPDATE_JIFFIES (HZ)
2337static void rndis_update_wireless_stats(struct work_struct *work)
2338{
2339 struct rndis_wext_private *priv =
2340 container_of(work, struct rndis_wext_private, stats_work.work);
2341 struct usbnet *usbdev = priv->usbdev;
2342 struct iw_statistics iwstats;
2343 __le32 rssi, tmp;
a97b1f3d 2344 int len, ret, j;
bf164cc0
JK		 2345 unsigned long flags;
2346 int update_jiffies = STATS_UPDATE_JIFFIES;
2347 void *buf;
2348
2349 spin_lock_irqsave(&priv->stats_lock, flags);
2350 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2351 spin_unlock_irqrestore(&priv->stats_lock, flags);
2352
2353 /* only update stats when connected */
2354 if (!is_associated(usbdev)) {
2355 iwstats.qual.qual = 0;
2356 iwstats.qual.level = 0;
2357 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2358 | IW_QUAL_LEVEL_UPDATED
2359 | IW_QUAL_NOISE_INVALID
2360 | IW_QUAL_QUAL_INVALID
2361 | IW_QUAL_LEVEL_INVALID;
2362 goto end;
2363 }
2364
2365 len = sizeof(rssi);
2366 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2367
2368 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2369 le32_to_cpu(rssi));
2370 if (ret == 0) {
2371 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2372 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
2373 iwstats.qual.level = le32_to_cpu(rssi);
2374 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2375 | IW_QUAL_LEVEL_UPDATED
2376 | IW_QUAL_NOISE_INVALID;
2377 }
2378
2379 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2380
2381 len = sizeof(tmp);
2382 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2383 if (ret == 0)
2384 iwstats.discard.misc += le32_to_cpu(tmp);
2385
2386 len = sizeof(tmp);
2387 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2388 if (ret == 0)
2389 iwstats.discard.misc += le32_to_cpu(tmp);
2390
2391 len = sizeof(tmp);
2392 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2393 if (ret == 0)
2394 iwstats.discard.misc += le32_to_cpu(tmp);
2395
a97b1f3d
JK		 2396 /* Workaround transfer stalls on poor quality links.
2397 * TODO: find right way to fix these stalls (as stalls do not happen
2398 * with ndiswrapper/windows driver). */
2399 if (iwstats.qual.qual <= 25) {
bf164cc0
JK		 2400 /* Decrease stats worker interval to catch stalls.
2401 * faster. Faster than 400-500ms causes packet loss,
2402 * Slower doesn't catch stalls fast enough.
2403 */
2404 j = msecs_to_jiffies(priv->param_workaround_interval);
2405 if (j > STATS_UPDATE_JIFFIES)
2406 j = STATS_UPDATE_JIFFIES;
2407 else if (j <= 0)
2408 j = 1;
2409 update_jiffies = j;
2410
2411 /* Send scan OID. Use of both OIDs is required to get device
2412 * working.
2413 */
2414 tmp = ccpu2(1);
2415 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2416 sizeof(tmp));
2417
2418 len = CONTROL_BUFFER_SIZE;
2419 buf = kmalloc(len, GFP_KERNEL);
2420 if (!buf)
2421 goto end;
2422
2423 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2424 kfree(buf);
2425 }
2426end:
2427 spin_lock_irqsave(&priv->stats_lock, flags);
2428 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2429 spin_unlock_irqrestore(&priv->stats_lock, flags);
2430
2431 if (update_jiffies >= HZ)
2432 update_jiffies = round_jiffies_relative(update_jiffies);
2433 else {
2434 j = round_jiffies_relative(update_jiffies);
2435 if (abs(j - update_jiffies) <= 10)
2436 update_jiffies = j;
2437 }
2438
2439 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2440}
2441
2442
2443static int bcm4320_early_init(struct usbnet *dev)
2444{
2445 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
2446 char buf[8];
2447
2448 /* Early initialization settings, setting these won't have effect
2449 * if called after generic_rndis_bind().
2450 */
2451
2452 priv->param_country[0] = modparam_country[0];
2453 priv->param_country[1] = modparam_country[1];
2454 priv->param_country[2] = 0;
2455 priv->param_frameburst = modparam_frameburst;
2456 priv->param_afterburner = modparam_afterburner;
2457 priv->param_power_save = modparam_power_save;
2458 priv->param_power_output = modparam_power_output;
2459 priv->param_roamtrigger = modparam_roamtrigger;
2460 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 2461
2462 priv->param_country[0] = toupper(priv->param_country[0]);
2463 priv->param_country[1] = toupper(priv->param_country[1]);
2464 /* doesn't support EU as country code, use FI instead */
2465 if (!strcmp(priv->param_country, "EU"))
2466 strcpy(priv->param_country, "FI");
2467
2468 if (priv->param_power_save < 0)
2469 priv->param_power_save = 0;
2470 else if (priv->param_power_save > 2)
2471 priv->param_power_save = 2;
2472
2473 if (priv->param_roamtrigger < -80)
2474 priv->param_roamtrigger = -80;
2475 else if (priv->param_roamtrigger > -60)
2476 priv->param_roamtrigger = -60;
2477
2478 if (priv->param_roamdelta < 0)
2479 priv->param_roamdelta = 0;
2480 else if (priv->param_roamdelta > 2)
2481 priv->param_roamdelta = 2;
2482
4d381ffb 2483 if (modparam_workaround_interval < 0)
bf164cc0 2484 priv->param_workaround_interval = 500;
4d381ffb
RK		 2485 else
2486 priv->param_workaround_interval = modparam_workaround_interval;
bf164cc0
JK		 2487
2488 rndis_set_config_parameter_str(dev, "Country", priv->param_country);
2489 rndis_set_config_parameter_str(dev, "FrameBursting",
2490 priv->param_frameburst ? "1" : "0");
2491 rndis_set_config_parameter_str(dev, "Afterburner",
2492 priv->param_afterburner ? "1" : "0");
2493 sprintf(buf, "%d", priv->param_power_save);
2494 rndis_set_config_parameter_str(dev, "PowerSaveMode", buf);
2495 sprintf(buf, "%d", priv->param_power_output);
2496 rndis_set_config_parameter_str(dev, "PwrOut", buf);
2497 sprintf(buf, "%d", priv->param_roamtrigger);
2498 rndis_set_config_parameter_str(dev, "RoamTrigger", buf);
2499 sprintf(buf, "%d", priv->param_roamdelta);
2500 rndis_set_config_parameter_str(dev, "RoamDelta", buf);
2501
2502 return 0;
2503}
2504
2505
2506static int rndis_wext_bind(struct usbnet *dev, struct usb_interface *intf)
2507{
2508 struct net_device *net = dev->net;
2509 struct rndis_wext_private *priv;
2510 int retval, len;
2511 __le32 tmp;
2512
2513 /* allocate rndis private data */
2514 priv = kmalloc(sizeof(struct rndis_wext_private), GFP_KERNEL);
2515 if (!priv)
2516 return -ENOMEM;
2517
2518 /* These have to be initialized before calling generic_rndis_bind().
2519 * Otherwise we'll be in big trouble in rndis_wext_early_init().
2520 */
2521 dev->driver_priv = priv;
2522 memset(priv, 0, sizeof(*priv));
2523 memset(priv->name, 0, sizeof(priv->name));
2524 strcpy(priv->name, "IEEE802.11");
2525 net->wireless_handlers = &rndis_iw_handlers;
2526 priv->usbdev = dev;
2527
2528 mutex_init(&priv->command_lock);
2529 spin_lock_init(&priv->stats_lock);
2530
2531 /* try bind rndis_host */
2532 retval = generic_rndis_bind(dev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2533 if (retval < 0)
2534 goto fail;
2535
2536 /* generic_rndis_bind set packet filter to multicast_all+
2537 * promisc mode which doesn't work well for our devices (device
2538 * picks up rssi to closest station instead of to access point).
2539 *
2540 * rndis_host wants to avoid all OID as much as possible
2541 * so do promisc/multicast handling in rndis_wext.
2542 */
2543 dev->net->set_multicast_list = rndis_wext_set_multicast_list;
2544 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2545 retval = rndis_set_oid(dev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2546 sizeof(tmp));
2547
2548 len = sizeof(tmp);
2549 retval = rndis_query_oid(dev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, &len);
2550 priv->multicast_size = le32_to_cpu(tmp);
2551 if (retval < 0 || priv->multicast_size < 0)
2552 priv->multicast_size = 0;
2553 if (priv->multicast_size > 0)
2554 dev->net->flags |= IFF_MULTICAST;
2555 else
2556 dev->net->flags &= ~IFF_MULTICAST;
2557
2558 priv->iwstats.qual.qual = 0;
2559 priv->iwstats.qual.level = 0;
2560 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2561 | IW_QUAL_LEVEL_UPDATED
2562 | IW_QUAL_NOISE_INVALID
2563 | IW_QUAL_QUAL_INVALID
2564 | IW_QUAL_LEVEL_INVALID;
2565
2566 rndis_wext_get_caps(dev);
2567 set_default_iw_params(dev);
2568
2569 /* turn radio on */
2570 priv->radio_on = 1;
2571 disassociate(dev, 1);
2572
2573 /* because rndis_command() sleeps we need to use workqueue */
2574 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2575 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2576 queue_delayed_work(priv->workqueue, &priv->stats_work,
2577 round_jiffies_relative(STATS_UPDATE_JIFFIES));
2578 INIT_WORK(&priv->work, rndis_wext_worker);
2579
2580 return 0;
2581
2582fail:
2583 kfree(priv);
2584 return retval;
2585}
2586
2587
2588static void rndis_wext_unbind(struct usbnet *dev, struct usb_interface *intf)
2589{
2590 struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
2591
2592 /* turn radio off */
2593 disassociate(dev, 0);
2594
2595 cancel_delayed_work_sync(&priv->stats_work);
2596 cancel_work_sync(&priv->work);
2597 flush_workqueue(priv->workqueue);
2598 destroy_workqueue(priv->workqueue);
2599
2600 if (priv && priv->wpa_ie_len)
2601 kfree(priv->wpa_ie);
2602 kfree(priv);
2603
2604 rndis_unbind(dev, intf);
2605}
2606
2607
2608static int rndis_wext_reset(struct usbnet *dev)
2609{
2610 return deauthenticate(dev);
2611}
2612
2613
2614static const struct driver_info bcm4320b_info = {
2615 .description = "Wireless RNDIS device, BCM4320b based",
2616 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2617 .bind = rndis_wext_bind,
2618 .unbind = rndis_wext_unbind,
2619 .status = rndis_status,
2620 .rx_fixup = rndis_rx_fixup,
2621 .tx_fixup = rndis_tx_fixup,
2622 .reset = rndis_wext_reset,
2623 .early_init = bcm4320_early_init,
2624 .link_change = rndis_wext_link_change,
2625};
2626
2627static const struct driver_info bcm4320a_info = {
2628 .description = "Wireless RNDIS device, BCM4320a based",
2629 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2630 .bind = rndis_wext_bind,
2631 .unbind = rndis_wext_unbind,
2632 .status = rndis_status,
2633 .rx_fixup = rndis_rx_fixup,
2634 .tx_fixup = rndis_tx_fixup,
2635 .reset = rndis_wext_reset,
2636 .early_init = bcm4320_early_init,
2637 .link_change = rndis_wext_link_change,
2638};
2639
2640static const struct driver_info rndis_wext_info = {
2641 .description = "Wireless RNDIS device",
2642 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
2643 .bind = rndis_wext_bind,
2644 .unbind = rndis_wext_unbind,
2645 .status = rndis_status,
2646 .rx_fixup = rndis_rx_fixup,
2647 .tx_fixup = rndis_tx_fixup,
2648 .reset = rndis_wext_reset,
2649 .early_init = bcm4320_early_init,
2650 .link_change = rndis_wext_link_change,
2651};
2652
2653/*-------------------------------------------------------------------------*/
2654
2655static const struct usb_device_id products [] = {
2656#define RNDIS_MASTER_INTERFACE \
2657 .bInterfaceClass = USB_CLASS_COMM, \
2658 .bInterfaceSubClass = 2 /* ACM */, \
2659 .bInterfaceProtocol = 0x0ff
2660
2661/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2662 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2663 */
2664{
2665 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2666 | USB_DEVICE_ID_MATCH_DEVICE,
2667 .idVendor = 0x0411,
2668 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2669 RNDIS_MASTER_INTERFACE,
2670 .driver_info = (unsigned long) &bcm4320b_info,
2671}, {
2672 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2673 | USB_DEVICE_ID_MATCH_DEVICE,
2674 .idVendor = 0x0baf,
2675 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2676 RNDIS_MASTER_INTERFACE,
2677 .driver_info = (unsigned long) &bcm4320b_info,
2678}, {
2679 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2680 | USB_DEVICE_ID_MATCH_DEVICE,
2681 .idVendor = 0x050d,
2682 .idProduct = 0x011b, /* Belkin F5D7051 */
2683 RNDIS_MASTER_INTERFACE,
2684 .driver_info = (unsigned long) &bcm4320b_info,
2685}, {
2686 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2687 | USB_DEVICE_ID_MATCH_DEVICE,
2688 .idVendor = 0x1799, /* Belkin has two vendor ids */
2689 .idProduct = 0x011b, /* Belkin F5D7051 */
2690 RNDIS_MASTER_INTERFACE,
2691 .driver_info = (unsigned long) &bcm4320b_info,
2692}, {
2693 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2694 | USB_DEVICE_ID_MATCH_DEVICE,
2695 .idVendor = 0x13b1,
2696 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2697 RNDIS_MASTER_INTERFACE,
2698 .driver_info = (unsigned long) &bcm4320b_info,
2699}, {
2700 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2701 | USB_DEVICE_ID_MATCH_DEVICE,
2702 .idVendor = 0x13b1,
2703 .idProduct = 0x0026, /* Linksys WUSB54GSC */
2704 RNDIS_MASTER_INTERFACE,
2705 .driver_info = (unsigned long) &bcm4320b_info,
2706}, {
2707 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2708 | USB_DEVICE_ID_MATCH_DEVICE,
2709 .idVendor = 0x0b05,
2710 .idProduct = 0x1717, /* Asus WL169gE */
2711 RNDIS_MASTER_INTERFACE,
2712 .driver_info = (unsigned long) &bcm4320b_info,
2713}, {
2714 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2715 | USB_DEVICE_ID_MATCH_DEVICE,
2716 .idVendor = 0x0a5c,
2717 .idProduct = 0xd11b, /* Eminent EM4045 */
2718 RNDIS_MASTER_INTERFACE,
2719 .driver_info = (unsigned long) &bcm4320b_info,
2720}, {
2721 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2722 | USB_DEVICE_ID_MATCH_DEVICE,
2723 .idVendor = 0x1690,
2724 .idProduct = 0x0715, /* BT Voyager 1055 */
2725 RNDIS_MASTER_INTERFACE,
2726 .driver_info = (unsigned long) &bcm4320b_info,
2727},
2728/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
2729 * parameters available, hardware probably contain older firmware version with
2730 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
2731 */
2732{
2733 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2734 | USB_DEVICE_ID_MATCH_DEVICE,
2735 .idVendor = 0x13b1,
2736 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
2737 RNDIS_MASTER_INTERFACE,
2738 .driver_info = (unsigned long) &bcm4320a_info,
2739}, {
2740 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2741 | USB_DEVICE_ID_MATCH_DEVICE,
2742 .idVendor = 0x0baf,
2743 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
2744 RNDIS_MASTER_INTERFACE,
2745 .driver_info = (unsigned long) &bcm4320a_info,
2746}, {
2747 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2748 | USB_DEVICE_ID_MATCH_DEVICE,
2749 .idVendor = 0x0411,
2750 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
2751 RNDIS_MASTER_INTERFACE,
2752 .driver_info = (unsigned long) &bcm4320a_info,
2753},
2754/* Generic Wireless RNDIS devices that we don't have exact
2755 * idVendor/idProduct/chip yet.
2756 */
2757{
2758 /* RNDIS is MSFT's un-official variant of CDC ACM */
2759 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
2760 .driver_info = (unsigned long) &rndis_wext_info,
2761}, {
2762 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
2763 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
2764 .driver_info = (unsigned long) &rndis_wext_info,
2765},
2766 { }, // END
2767};
2768MODULE_DEVICE_TABLE(usb, products);
2769
2770static struct usb_driver rndis_wlan_driver = {
2771 .name = "rndis_wlan",
2772 .id_table = products,
2773 .probe = usbnet_probe,
2774 .disconnect = usbnet_disconnect,
2775 .suspend = usbnet_suspend,
2776 .resume = usbnet_resume,
2777};
2778
2779static int __init rndis_wlan_init(void)
2780{
2781 return usb_register(&rndis_wlan_driver);
2782}
2783module_init(rndis_wlan_init);
2784
2785static void __exit rndis_wlan_exit(void)
2786{
2787 usb_deregister(&rndis_wlan_driver);
2788}
2789module_exit(rndis_wlan_exit);
2790
2791MODULE_AUTHOR("Bjorge Dijkstra");
2792MODULE_AUTHOR("Jussi Kivilinna");
2793MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
2794MODULE_LICENSE("GPL");
2795
Clone of davem's net-next-2.6 tree