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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 */ | |
50 | static char modparam_country[4] = "EU"; | |
51 | module_param_string(country, modparam_country, 4, 0444); | |
52 | MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU"); | |
53 | ||
54 | static int modparam_frameburst = 1; | |
55 | module_param_named(frameburst, modparam_frameburst, int, 0444); | |
56 | MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)"); | |
57 | ||
58 | static int modparam_afterburner = 0; | |
59 | module_param_named(afterburner, modparam_afterburner, int, 0444); | |
60 | MODULE_PARM_DESC(afterburner, | |
61 | "enable afterburner aka '125 High Speed Mode' (default: off)"); | |
62 | ||
63 | static int modparam_power_save = 0; | |
64 | module_param_named(power_save, modparam_power_save, int, 0444); | |
65 | MODULE_PARM_DESC(power_save, | |
66 | "set power save mode: 0=off, 1=on, 2=fast (default: off)"); | |
67 | ||
68 | static int modparam_power_output = 3; | |
69 | module_param_named(power_output, modparam_power_output, int, 0444); | |
70 | MODULE_PARM_DESC(power_output, | |
71 | "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)"); | |
72 | ||
73 | static int modparam_roamtrigger = -70; | |
74 | module_param_named(roamtrigger, modparam_roamtrigger, int, 0444); | |
75 | MODULE_PARM_DESC(roamtrigger, | |
76 | "set roaming dBm trigger: -80=optimize for distance, " | |
77 | "-60=bandwidth (default: -70)"); | |
78 | ||
79 | static int modparam_roamdelta = 1; | |
80 | module_param_named(roamdelta, modparam_roamdelta, int, 0444); | |
81 | MODULE_PARM_DESC(roamdelta, | |
82 | "set roaming tendency: 0=aggressive, 1=moderate, " | |
83 | "2=conservative (default: moderate)"); | |
84 | ||
85 | static int modparam_workaround_interval = 500; | |
86 | module_param_named(workaround_interval, modparam_workaround_interval, | |
87 | int, 0444); | |
88 | MODULE_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 |
158 | enum 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 | ||
165 | enum ndis_80211_net_infra { | |
166 | ndis_80211_infra_adhoc, | |
167 | ndis_80211_infra_infra, | |
168 | ndis_80211_infra_auto_unknown | |
169 | }; | |
170 | ||
171 | enum 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 | ||
182 | enum 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 | ||
193 | enum ndis_80211_priv_filter { | |
194 | ndis_80211_priv_accept_all, | |
195 | ndis_80211_priv_8021x_wep | |
196 | }; | |
197 | ||
198 | struct ndis_80211_ssid { | |
461b3f2a JK |
199 | __le32 length; |
200 | u8 essid[NDIS_802_11_LENGTH_SSID]; | |
bf164cc0 JK |
201 | } __attribute__((packed)); |
202 | ||
1e41e1d2 | 203 | struct 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 | 210 | struct 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 | 218 | struct 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 | 233 | struct 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 | 238 | struct ndis_80211_fixed_ies { |
461b3f2a JK |
239 | u8 timestamp[8]; |
240 | __le16 beacon_interval; | |
241 | __le16 capabilities; | |
bf164cc0 JK |
242 | } __attribute__((packed)); |
243 | ||
1e41e1d2 | 244 | struct 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 | 251 | struct 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 | 261 | struct ndis_80211_remove_key { |
461b3f2a JK |
262 | __le32 size; |
263 | __le32 index; | |
264 | u8 bssid[6]; | |
bf164cc0 JK |
265 | } __attribute__((packed)); |
266 | ||
1e41e1d2 | 267 | struct 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 |
275 | struct 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 |
296 | enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP }; |
297 | enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, | |
298 | CIPHER_WEP104 }; | |
299 | enum 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 | ||
6010ce07 JK |
313 | #define WORK_LINK_UP (1<<0) |
314 | #define WORK_LINK_DOWN (1<<1) | |
315 | #define WORK_SET_MULTICAST_LIST (1<<2) | |
bf164cc0 | 316 | |
90d07349 JK |
317 | #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) |
318 | ||
bf164cc0 JK |
319 | /* RNDIS device private data */ |
320 | struct rndis_wext_private { | |
321 | char name[32]; | |
322 | ||
323 | struct usbnet *usbdev; | |
324 | ||
325 | struct workqueue_struct *workqueue; | |
326 | struct delayed_work stats_work; | |
327 | struct work_struct work; | |
328 | struct mutex command_lock; | |
329 | spinlock_t stats_lock; | |
330 | unsigned long work_pending; | |
331 | ||
332 | struct iw_statistics iwstats; | |
333 | struct iw_statistics privstats; | |
334 | ||
335 | int nick_len; | |
336 | char nick[32]; | |
337 | ||
338 | int caps; | |
339 | int multicast_size; | |
340 | ||
341 | /* module parameters */ | |
342 | char param_country[4]; | |
343 | int param_frameburst; | |
344 | int param_afterburner; | |
345 | int param_power_save; | |
346 | int param_power_output; | |
347 | int param_roamtrigger; | |
348 | int param_roamdelta; | |
349 | u32 param_workaround_interval; | |
350 | ||
351 | /* hardware state */ | |
352 | int radio_on; | |
353 | int infra_mode; | |
1e41e1d2 | 354 | struct ndis_80211_ssid essid; |
bf164cc0 JK |
355 | |
356 | /* encryption stuff */ | |
357 | int encr_tx_key_index; | |
358 | char encr_keys[4][32]; | |
359 | int encr_key_len[4]; | |
360 | int wpa_version; | |
361 | int wpa_keymgmt; | |
362 | int wpa_authalg; | |
363 | int wpa_ie_len; | |
364 | u8 *wpa_ie; | |
365 | int wpa_cipher_pair; | |
366 | int wpa_cipher_group; | |
90d07349 JK |
367 | |
368 | u8 command_buffer[COMMAND_BUFFER_SIZE]; | |
bf164cc0 JK |
369 | }; |
370 | ||
371 | ||
372 | static const int freq_chan[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, | |
373 | 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; | |
374 | ||
375 | static const int rates_80211g[8] = { 6, 9, 12, 18, 24, 36, 48, 54 }; | |
376 | ||
377 | static const int bcm4320_power_output[4] = { 25, 50, 75, 100 }; | |
378 | ||
379 | static const unsigned char zero_bssid[ETH_ALEN] = {0,}; | |
380 | static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, | |
381 | 0xff, 0xff, 0xff }; | |
382 | ||
383 | ||
384 | static struct rndis_wext_private *get_rndis_wext_priv(struct usbnet *dev) | |
385 | { | |
386 | return (struct rndis_wext_private *)dev->driver_priv; | |
387 | } | |
388 | ||
389 | ||
390 | static u32 get_bcm4320_power(struct rndis_wext_private *priv) | |
391 | { | |
392 | return BCM4320_DEFAULT_TXPOWER * | |
393 | bcm4320_power_output[priv->param_power_output] / 100; | |
394 | } | |
395 | ||
396 | ||
397 | /* translate error code */ | |
398 | static int rndis_error_status(__le32 rndis_status) | |
399 | { | |
400 | int ret = -EINVAL; | |
401 | switch (rndis_status) { | |
402 | case RNDIS_STATUS_SUCCESS: | |
403 | ret = 0; | |
404 | break; | |
405 | case RNDIS_STATUS_FAILURE: | |
406 | case RNDIS_STATUS_INVALID_DATA: | |
407 | ret = -EINVAL; | |
408 | break; | |
409 | case RNDIS_STATUS_NOT_SUPPORTED: | |
410 | ret = -EOPNOTSUPP; | |
411 | break; | |
412 | case RNDIS_STATUS_ADAPTER_NOT_READY: | |
413 | case RNDIS_STATUS_ADAPTER_NOT_OPEN: | |
414 | ret = -EBUSY; | |
415 | break; | |
416 | } | |
417 | return ret; | |
418 | } | |
419 | ||
420 | ||
421 | static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len) | |
422 | { | |
423 | struct rndis_wext_private *priv = get_rndis_wext_priv(dev); | |
424 | union { | |
425 | void *buf; | |
426 | struct rndis_msg_hdr *header; | |
427 | struct rndis_query *get; | |
428 | struct rndis_query_c *get_c; | |
429 | } u; | |
430 | int ret, buflen; | |
431 | ||
432 | buflen = *len + sizeof(*u.get); | |
433 | if (buflen < CONTROL_BUFFER_SIZE) | |
434 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
435 | |
436 | if (buflen > COMMAND_BUFFER_SIZE) { | |
437 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
438 | if (!u.buf) | |
439 | return -ENOMEM; | |
440 | } else { | |
441 | u.buf = priv->command_buffer; | |
442 | } | |
443 | ||
444 | mutex_lock(&priv->command_lock); | |
445 | ||
bf164cc0 JK |
446 | memset(u.get, 0, sizeof *u.get); |
447 | u.get->msg_type = RNDIS_MSG_QUERY; | |
448 | u.get->msg_len = ccpu2(sizeof *u.get); | |
449 | u.get->oid = oid; | |
450 | ||
818727ba | 451 | ret = rndis_command(dev, u.header, buflen); |
bf164cc0 JK |
452 | if (ret == 0) { |
453 | ret = le32_to_cpu(u.get_c->len); | |
454 | *len = (*len > ret) ? ret : *len; | |
455 | memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len); | |
456 | ret = rndis_error_status(u.get_c->status); | |
457 | } | |
458 | ||
90d07349 JK |
459 | mutex_unlock(&priv->command_lock); |
460 | ||
461 | if (u.buf != priv->command_buffer) | |
462 | kfree(u.buf); | |
bf164cc0 JK |
463 | return ret; |
464 | } | |
465 | ||
466 | ||
467 | static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len) | |
468 | { | |
469 | struct rndis_wext_private *priv = get_rndis_wext_priv(dev); | |
470 | union { | |
471 | void *buf; | |
472 | struct rndis_msg_hdr *header; | |
473 | struct rndis_set *set; | |
474 | struct rndis_set_c *set_c; | |
475 | } u; | |
476 | int ret, buflen; | |
477 | ||
478 | buflen = len + sizeof(*u.set); | |
479 | if (buflen < CONTROL_BUFFER_SIZE) | |
480 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
481 | |
482 | if (buflen > COMMAND_BUFFER_SIZE) { | |
483 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
484 | if (!u.buf) | |
485 | return -ENOMEM; | |
486 | } else { | |
487 | u.buf = priv->command_buffer; | |
488 | } | |
489 | ||
490 | mutex_lock(&priv->command_lock); | |
bf164cc0 JK |
491 | |
492 | memset(u.set, 0, sizeof *u.set); | |
493 | u.set->msg_type = RNDIS_MSG_SET; | |
494 | u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); | |
495 | u.set->oid = oid; | |
496 | u.set->len = cpu_to_le32(len); | |
497 | u.set->offset = ccpu2(sizeof(*u.set) - 8); | |
498 | u.set->handle = ccpu2(0); | |
499 | memcpy(u.buf + sizeof(*u.set), data, len); | |
500 | ||
818727ba | 501 | ret = rndis_command(dev, u.header, buflen); |
bf164cc0 JK |
502 | if (ret == 0) |
503 | ret = rndis_error_status(u.set_c->status); | |
504 | ||
90d07349 JK |
505 | mutex_unlock(&priv->command_lock); |
506 | ||
507 | if (u.buf != priv->command_buffer) | |
508 | kfree(u.buf); | |
bf164cc0 JK |
509 | return ret; |
510 | } | |
511 | ||
512 | ||
513 | /* | |
514 | * Specs say that we can only set config parameters only soon after device | |
515 | * initialization. | |
516 | * value_type: 0 = u32, 2 = unicode string | |
517 | */ | |
518 | static int rndis_set_config_parameter(struct usbnet *dev, char *param, | |
519 | int value_type, void *value) | |
520 | { | |
1e41e1d2 | 521 | struct ndis_config_param *infobuf; |
bf164cc0 JK |
522 | int value_len, info_len, param_len, ret, i; |
523 | __le16 *unibuf; | |
524 | __le32 *dst_value; | |
525 | ||
526 | if (value_type == 0) | |
527 | value_len = sizeof(__le32); | |
528 | else if (value_type == 2) | |
529 | value_len = strlen(value) * sizeof(__le16); | |
530 | else | |
531 | return -EINVAL; | |
532 | ||
533 | param_len = strlen(param) * sizeof(__le16); | |
534 | info_len = sizeof(*infobuf) + param_len + value_len; | |
535 | ||
536 | #ifdef DEBUG | |
537 | info_len += 12; | |
538 | #endif | |
539 | infobuf = kmalloc(info_len, GFP_KERNEL); | |
540 | if (!infobuf) | |
541 | return -ENOMEM; | |
542 | ||
543 | #ifdef DEBUG | |
544 | info_len -= 12; | |
545 | /* extra 12 bytes are for padding (debug output) */ | |
546 | memset(infobuf, 0xCC, info_len + 12); | |
547 | #endif | |
548 | ||
549 | if (value_type == 2) | |
550 | devdbg(dev, "setting config parameter: %s, value: %s", | |
551 | param, (u8 *)value); | |
552 | else | |
553 | devdbg(dev, "setting config parameter: %s, value: %d", | |
554 | param, *(u32 *)value); | |
555 | ||
461b3f2a JK |
556 | infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); |
557 | infobuf->name_length = cpu_to_le32(param_len); | |
558 | infobuf->type = cpu_to_le32(value_type); | |
559 | infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); | |
560 | infobuf->value_length = cpu_to_le32(value_len); | |
bf164cc0 JK |
561 | |
562 | /* simple string to unicode string conversion */ | |
563 | unibuf = (void *)infobuf + sizeof(*infobuf); | |
564 | for (i = 0; i < param_len / sizeof(__le16); i++) | |
565 | unibuf[i] = cpu_to_le16(param[i]); | |
566 | ||
567 | if (value_type == 2) { | |
568 | unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; | |
569 | for (i = 0; i < value_len / sizeof(__le16); i++) | |
570 | unibuf[i] = cpu_to_le16(((u8 *)value)[i]); | |
571 | } else { | |
572 | dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; | |
573 | *dst_value = cpu_to_le32(*(u32 *)value); | |
574 | } | |
575 | ||
576 | #ifdef DEBUG | |
577 | devdbg(dev, "info buffer (len: %d):", info_len); | |
578 | for (i = 0; i < info_len; i += 12) { | |
579 | u32 *tmp = (u32 *)((u8 *)infobuf + i); | |
580 | devdbg(dev, "%08X:%08X:%08X", | |
581 | cpu_to_be32(tmp[0]), | |
582 | cpu_to_be32(tmp[1]), | |
583 | cpu_to_be32(tmp[2])); | |
584 | } | |
585 | #endif | |
586 | ||
587 | ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER, | |
588 | infobuf, info_len); | |
589 | if (ret != 0) | |
590 | devdbg(dev, "setting rndis config paramater failed, %d.", ret); | |
591 | ||
592 | kfree(infobuf); | |
593 | return ret; | |
594 | } | |
595 | ||
596 | static int rndis_set_config_parameter_str(struct usbnet *dev, | |
597 | char *param, char *value) | |
598 | { | |
599 | return(rndis_set_config_parameter(dev, param, 2, value)); | |
600 | } | |
601 | ||
602 | /*static int rndis_set_config_parameter_u32(struct usbnet *dev, | |
603 | char *param, u32 value) | |
604 | { | |
605 | return(rndis_set_config_parameter(dev, param, 0, &value)); | |
606 | }*/ | |
607 | ||
608 | ||
609 | /* | |
610 | * data conversion functions | |
611 | */ | |
612 | static int level_to_qual(int level) | |
613 | { | |
614 | int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); | |
615 | return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; | |
616 | } | |
617 | ||
618 | ||
619 | static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq) | |
620 | { | |
621 | freq->e = 0; | |
622 | freq->i = 0; | |
623 | freq->flags = 0; | |
624 | ||
625 | /* see comment in wireless.h above the "struct iw_freq" | |
626 | * definition for an explanation of this if | |
627 | * NOTE: 1000000 is due to the kHz | |
628 | */ | |
629 | if (dsconfig > 1000000) { | |
630 | freq->m = dsconfig / 10; | |
631 | freq->e = 1; | |
632 | } else | |
633 | freq->m = dsconfig; | |
634 | ||
635 | /* convert from kHz to Hz */ | |
636 | freq->e += 3; | |
637 | } | |
638 | ||
639 | ||
640 | static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig) | |
641 | { | |
642 | if (freq->m < 1000 && freq->e == 0) { | |
5720508d | 643 | if (freq->m >= 1 && freq->m <= ARRAY_SIZE(freq_chan)) |
bf164cc0 JK |
644 | *dsconfig = freq_chan[freq->m - 1] * 1000; |
645 | else | |
646 | return -1; | |
647 | } else { | |
648 | int i; | |
649 | *dsconfig = freq->m; | |
650 | for (i = freq->e; i > 0; i--) | |
651 | *dsconfig *= 10; | |
652 | *dsconfig /= 1000; | |
653 | } | |
654 | ||
655 | return 0; | |
656 | } | |
657 | ||
658 | ||
659 | /* | |
660 | * common functions | |
661 | */ | |
662 | static int | |
663 | add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index); | |
664 | ||
1e41e1d2 | 665 | static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 JK |
666 | { |
667 | int ret, len; | |
668 | ||
669 | len = sizeof(*ssid); | |
670 | ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len); | |
671 | ||
672 | if (ret != 0) | |
461b3f2a | 673 | ssid->length = 0; |
bf164cc0 JK |
674 | |
675 | #ifdef DEBUG | |
676 | { | |
677 | unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1]; | |
678 | ||
461b3f2a JK |
679 | memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length)); |
680 | tmp[le32_to_cpu(ssid->length)] = 0; | |
bf164cc0 JK |
681 | devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret); |
682 | } | |
683 | #endif | |
684 | return ret; | |
685 | } | |
686 | ||
687 | ||
1e41e1d2 | 688 | static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 JK |
689 | { |
690 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
691 | int ret; | |
692 | ||
693 | ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid)); | |
694 | if (ret == 0) { | |
695 | memcpy(&priv->essid, ssid, sizeof(priv->essid)); | |
696 | priv->radio_on = 1; | |
697 | devdbg(usbdev, "set_essid: radio_on = 1"); | |
698 | } | |
699 | ||
700 | return ret; | |
701 | } | |
702 | ||
703 | ||
704 | static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) | |
705 | { | |
706 | int ret, len; | |
707 | ||
708 | len = ETH_ALEN; | |
709 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len); | |
710 | ||
711 | if (ret != 0) | |
712 | memset(bssid, 0, ETH_ALEN); | |
713 | ||
714 | return ret; | |
715 | } | |
716 | ||
4364623c SA |
717 | static int get_association_info(struct usbnet *usbdev, |
718 | struct ndis_80211_assoc_info *info, int len) | |
719 | { | |
720 | return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, | |
721 | info, &len); | |
722 | } | |
bf164cc0 JK |
723 | |
724 | static int is_associated(struct usbnet *usbdev) | |
725 | { | |
726 | u8 bssid[ETH_ALEN]; | |
727 | int ret; | |
728 | ||
729 | ret = get_bssid(usbdev, bssid); | |
730 | ||
731 | return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0); | |
732 | } | |
733 | ||
734 | ||
735 | static int disassociate(struct usbnet *usbdev, int reset_ssid) | |
736 | { | |
737 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1e41e1d2 | 738 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
739 | int i, ret = 0; |
740 | ||
741 | if (priv->radio_on) { | |
742 | ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0); | |
743 | if (ret == 0) { | |
744 | priv->radio_on = 0; | |
745 | devdbg(usbdev, "disassociate: radio_on = 0"); | |
746 | ||
747 | if (reset_ssid) | |
748 | msleep(100); | |
749 | } | |
750 | } | |
751 | ||
752 | /* disassociate causes radio to be turned off; if reset_ssid | |
753 | * is given, set random ssid to enable radio */ | |
754 | if (reset_ssid) { | |
461b3f2a JK |
755 | ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
756 | get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); | |
757 | ssid.essid[0] = 0x1; | |
758 | ssid.essid[1] = 0xff; | |
759 | for (i = 2; i < sizeof(ssid.essid); i++) | |
760 | ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); | |
bf164cc0 JK |
761 | ret = set_essid(usbdev, &ssid); |
762 | } | |
763 | return ret; | |
764 | } | |
765 | ||
766 | ||
767 | static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg) | |
768 | { | |
769 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
770 | __le32 tmp; | |
771 | int auth_mode, ret; | |
772 | ||
773 | devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x " | |
774 | "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt); | |
775 | ||
776 | if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) { | |
777 | if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X) | |
1e41e1d2 | 778 | auth_mode = ndis_80211_auth_wpa2; |
bf164cc0 | 779 | else |
1e41e1d2 | 780 | auth_mode = ndis_80211_auth_wpa2_psk; |
bf164cc0 JK |
781 | } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) { |
782 | if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X) | |
1e41e1d2 | 783 | auth_mode = ndis_80211_auth_wpa; |
bf164cc0 | 784 | else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK) |
1e41e1d2 | 785 | auth_mode = ndis_80211_auth_wpa_psk; |
bf164cc0 | 786 | else |
1e41e1d2 | 787 | auth_mode = ndis_80211_auth_wpa_none; |
bf164cc0 JK |
788 | } else if (authalg & IW_AUTH_ALG_SHARED_KEY) { |
789 | if (authalg & IW_AUTH_ALG_OPEN_SYSTEM) | |
1e41e1d2 | 790 | auth_mode = ndis_80211_auth_auto_switch; |
bf164cc0 | 791 | else |
1e41e1d2 | 792 | auth_mode = ndis_80211_auth_shared; |
bf164cc0 | 793 | } else |
1e41e1d2 | 794 | auth_mode = ndis_80211_auth_open; |
bf164cc0 JK |
795 | |
796 | tmp = cpu_to_le32(auth_mode); | |
797 | ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, | |
798 | sizeof(tmp)); | |
799 | if (ret != 0) { | |
800 | devwarn(usbdev, "setting auth mode failed (%08X)", ret); | |
801 | return ret; | |
802 | } | |
803 | ||
804 | priv->wpa_version = wpa_version; | |
805 | priv->wpa_authalg = authalg; | |
806 | return 0; | |
807 | } | |
808 | ||
809 | ||
810 | static int set_priv_filter(struct usbnet *usbdev) | |
811 | { | |
812 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
813 | __le32 tmp; | |
814 | ||
815 | devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version); | |
816 | ||
817 | if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 || | |
818 | priv->wpa_version & IW_AUTH_WPA_VERSION_WPA) | |
1e41e1d2 | 819 | tmp = cpu_to_le32(ndis_80211_priv_8021x_wep); |
bf164cc0 | 820 | else |
1e41e1d2 | 821 | tmp = cpu_to_le32(ndis_80211_priv_accept_all); |
bf164cc0 JK |
822 | |
823 | return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp, | |
824 | sizeof(tmp)); | |
825 | } | |
826 | ||
827 | ||
828 | static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) | |
829 | { | |
830 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
831 | __le32 tmp; | |
832 | int encr_mode, ret; | |
833 | ||
834 | devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x", | |
835 | pairwise, | |
836 | groupwise); | |
837 | ||
838 | if (pairwise & IW_AUTH_CIPHER_CCMP) | |
1e41e1d2 | 839 | encr_mode = ndis_80211_encr_ccmp_enabled; |
bf164cc0 | 840 | else if (pairwise & IW_AUTH_CIPHER_TKIP) |
1e41e1d2 | 841 | encr_mode = ndis_80211_encr_tkip_enabled; |
bf164cc0 JK |
842 | else if (pairwise & |
843 | (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104)) | |
1e41e1d2 | 844 | encr_mode = ndis_80211_encr_wep_enabled; |
bf164cc0 | 845 | else if (groupwise & IW_AUTH_CIPHER_CCMP) |
1e41e1d2 | 846 | encr_mode = ndis_80211_encr_ccmp_enabled; |
bf164cc0 | 847 | else if (groupwise & IW_AUTH_CIPHER_TKIP) |
1e41e1d2 | 848 | encr_mode = ndis_80211_encr_tkip_enabled; |
bf164cc0 | 849 | else |
1e41e1d2 | 850 | encr_mode = ndis_80211_encr_disabled; |
bf164cc0 JK |
851 | |
852 | tmp = cpu_to_le32(encr_mode); | |
853 | ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, | |
854 | sizeof(tmp)); | |
855 | if (ret != 0) { | |
856 | devwarn(usbdev, "setting encr mode failed (%08X)", ret); | |
857 | return ret; | |
858 | } | |
859 | ||
860 | priv->wpa_cipher_pair = pairwise; | |
861 | priv->wpa_cipher_group = groupwise; | |
862 | return 0; | |
863 | } | |
864 | ||
865 | ||
866 | static int set_assoc_params(struct usbnet *usbdev) | |
867 | { | |
868 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
869 | ||
870 | set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg); | |
871 | set_priv_filter(usbdev); | |
872 | set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group); | |
873 | ||
874 | return 0; | |
875 | } | |
876 | ||
877 | ||
878 | static int set_infra_mode(struct usbnet *usbdev, int mode) | |
879 | { | |
880 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
881 | __le32 tmp; | |
882 | int ret, i; | |
883 | ||
884 | devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode); | |
885 | ||
886 | tmp = cpu_to_le32(mode); | |
887 | ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, | |
888 | sizeof(tmp)); | |
889 | if (ret != 0) { | |
890 | devwarn(usbdev, "setting infra mode failed (%08X)", ret); | |
891 | return ret; | |
892 | } | |
893 | ||
894 | /* NDIS drivers clear keys when infrastructure mode is | |
895 | * changed. But Linux tools assume otherwise. So set the | |
896 | * keys */ | |
897 | if (priv->wpa_keymgmt == 0 || | |
898 | priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) { | |
899 | for (i = 0; i < 4; i++) { | |
900 | if (priv->encr_key_len[i] > 0) | |
901 | add_wep_key(usbdev, priv->encr_keys[i], | |
902 | priv->encr_key_len[i], i); | |
903 | } | |
904 | } | |
905 | ||
906 | priv->infra_mode = mode; | |
907 | return 0; | |
908 | } | |
909 | ||
910 | ||
911 | static void set_default_iw_params(struct usbnet *usbdev) | |
912 | { | |
913 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
914 | ||
915 | priv->wpa_keymgmt = 0; | |
916 | priv->wpa_version = 0; | |
917 | ||
1e41e1d2 | 918 | set_infra_mode(usbdev, ndis_80211_infra_infra); |
bf164cc0 JK |
919 | set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, |
920 | IW_AUTH_ALG_OPEN_SYSTEM); | |
921 | set_priv_filter(usbdev); | |
922 | set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE); | |
923 | } | |
924 | ||
925 | ||
926 | static int deauthenticate(struct usbnet *usbdev) | |
927 | { | |
928 | int ret; | |
929 | ||
930 | ret = disassociate(usbdev, 1); | |
931 | set_default_iw_params(usbdev); | |
932 | return ret; | |
933 | } | |
934 | ||
935 | ||
936 | /* index must be 0 - N, as per NDIS */ | |
937 | static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index) | |
938 | { | |
939 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1e41e1d2 | 940 | struct ndis_80211_wep_key ndis_key; |
bf164cc0 JK |
941 | int ret; |
942 | ||
943 | if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4) | |
944 | return -EINVAL; | |
945 | ||
946 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
947 | ||
461b3f2a JK |
948 | ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
949 | ndis_key.length = cpu_to_le32(key_len); | |
950 | ndis_key.index = cpu_to_le32(index); | |
951 | memcpy(&ndis_key.material, key, key_len); | |
bf164cc0 JK |
952 | |
953 | if (index == priv->encr_tx_key_index) { | |
461b3f2a | 954 | ndis_key.index |= cpu_to_le32(1 << 31); |
bf164cc0 JK |
955 | ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104, |
956 | IW_AUTH_CIPHER_NONE); | |
957 | if (ret) | |
958 | devwarn(usbdev, "encryption couldn't be enabled (%08X)", | |
959 | ret); | |
960 | } | |
961 | ||
962 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key, | |
963 | sizeof(ndis_key)); | |
964 | if (ret != 0) { | |
965 | devwarn(usbdev, "adding encryption key %d failed (%08X)", | |
966 | index+1, ret); | |
967 | return ret; | |
968 | } | |
969 | ||
970 | priv->encr_key_len[index] = key_len; | |
971 | memcpy(&priv->encr_keys[index], key, key_len); | |
972 | ||
973 | return 0; | |
974 | } | |
975 | ||
976 | ||
977 | /* remove_key is for both wep and wpa */ | |
978 | static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN]) | |
979 | { | |
980 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1e41e1d2 | 981 | struct ndis_80211_remove_key remove_key; |
bf164cc0 JK |
982 | __le32 keyindex; |
983 | int ret; | |
984 | ||
985 | if (priv->encr_key_len[index] == 0) | |
986 | return 0; | |
987 | ||
988 | priv->encr_key_len[index] = 0; | |
989 | memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); | |
990 | ||
991 | if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP || | |
992 | priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP || | |
993 | priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP || | |
994 | priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) { | |
461b3f2a JK |
995 | remove_key.size = cpu_to_le32(sizeof(remove_key)); |
996 | remove_key.index = cpu_to_le32(index); | |
bf164cc0 JK |
997 | if (bssid) { |
998 | /* pairwise key */ | |
999 | if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0) | |
461b3f2a JK |
1000 | remove_key.index |= cpu_to_le32(1 << 30); |
1001 | memcpy(remove_key.bssid, bssid, | |
1002 | sizeof(remove_key.bssid)); | |
bf164cc0 | 1003 | } else |
461b3f2a JK |
1004 | memset(remove_key.bssid, 0xff, |
1005 | sizeof(remove_key.bssid)); | |
bf164cc0 JK |
1006 | |
1007 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key, | |
1008 | sizeof(remove_key)); | |
1009 | if (ret != 0) | |
1010 | return ret; | |
1011 | } else { | |
1012 | keyindex = cpu_to_le32(index); | |
1013 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex, | |
1014 | sizeof(keyindex)); | |
1015 | if (ret != 0) { | |
1016 | devwarn(usbdev, | |
1017 | "removing encryption key %d failed (%08X)", | |
1018 | index, ret); | |
1019 | return ret; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | /* if it is transmit key, disable encryption */ | |
1024 | if (index == priv->encr_tx_key_index) | |
1025 | set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE); | |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | ||
1031 | static void set_multicast_list(struct usbnet *usbdev) | |
1032 | { | |
1033 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1034 | struct dev_mc_list *mclist; | |
1035 | __le32 filter; | |
1036 | int ret, i, size; | |
1037 | char *buf; | |
1038 | ||
1039 | filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; | |
1040 | ||
1041 | if (usbdev->net->flags & IFF_PROMISC) { | |
1042 | filter |= RNDIS_PACKET_TYPE_PROMISCUOUS | | |
1043 | RNDIS_PACKET_TYPE_ALL_LOCAL; | |
1044 | } else if (usbdev->net->flags & IFF_ALLMULTI || | |
1045 | usbdev->net->mc_count > priv->multicast_size) { | |
1046 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1047 | } else if (usbdev->net->mc_count > 0) { | |
1048 | size = min(priv->multicast_size, usbdev->net->mc_count); | |
1049 | buf = kmalloc(size * ETH_ALEN, GFP_KERNEL); | |
1050 | if (!buf) { | |
1051 | devwarn(usbdev, | |
1052 | "couldn't alloc %d bytes of memory", | |
1053 | size * ETH_ALEN); | |
1054 | return; | |
1055 | } | |
1056 | ||
1057 | mclist = usbdev->net->mc_list; | |
1058 | for (i = 0; i < size && mclist; mclist = mclist->next) { | |
1059 | if (mclist->dmi_addrlen != ETH_ALEN) | |
1060 | continue; | |
1061 | ||
1062 | memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN); | |
1063 | i++; | |
1064 | } | |
1065 | ||
1066 | ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf, | |
1067 | i * ETH_ALEN); | |
1068 | if (ret == 0 && i > 0) | |
1069 | filter |= RNDIS_PACKET_TYPE_MULTICAST; | |
1070 | else | |
1071 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1072 | ||
1073 | devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d", | |
1074 | i, priv->multicast_size, ret); | |
1075 | ||
1076 | kfree(buf); | |
1077 | } | |
1078 | ||
1079 | ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
1080 | sizeof(filter)); | |
1081 | if (ret < 0) { | |
1082 | devwarn(usbdev, "couldn't set packet filter: %08x", | |
1083 | le32_to_cpu(filter)); | |
1084 | } | |
1085 | ||
1086 | devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d", | |
1087 | le32_to_cpu(filter), ret); | |
1088 | } | |
1089 | ||
1090 | ||
1091 | /* | |
1092 | * wireless extension handlers | |
1093 | */ | |
1094 | ||
1095 | static int rndis_iw_commit(struct net_device *dev, | |
1096 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1097 | { | |
1098 | /* dummy op */ | |
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | ||
1103 | static int rndis_iw_get_range(struct net_device *dev, | |
1104 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1105 | { | |
1106 | struct iw_range *range = (struct iw_range *)extra; | |
1107 | struct usbnet *usbdev = dev->priv; | |
1108 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1109 | int len, ret, i, j, num, has_80211g_rates; | |
1110 | u8 rates[8]; | |
1111 | __le32 tx_power; | |
1112 | ||
1113 | devdbg(usbdev, "SIOCGIWRANGE"); | |
1114 | ||
1115 | /* clear iw_range struct */ | |
1116 | memset(range, 0, sizeof(*range)); | |
1117 | wrqu->data.length = sizeof(*range); | |
1118 | ||
1119 | range->txpower_capa = IW_TXPOW_MWATT; | |
1120 | range->num_txpower = 1; | |
1121 | if (priv->caps & CAP_SUPPORT_TXPOWER) { | |
1122 | len = sizeof(tx_power); | |
1123 | ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, | |
1124 | &tx_power, &len); | |
1125 | if (ret == 0 && le32_to_cpu(tx_power) != 0xFF) | |
1126 | range->txpower[0] = le32_to_cpu(tx_power); | |
1127 | else | |
1128 | range->txpower[0] = get_bcm4320_power(priv); | |
1129 | } else | |
1130 | range->txpower[0] = get_bcm4320_power(priv); | |
1131 | ||
1132 | len = sizeof(rates); | |
1133 | ret = rndis_query_oid(usbdev, OID_802_11_SUPPORTED_RATES, &rates, | |
1134 | &len); | |
1135 | has_80211g_rates = 0; | |
1136 | if (ret == 0) { | |
1137 | j = 0; | |
1138 | for (i = 0; i < len; i++) { | |
1139 | if (rates[i] == 0) | |
1140 | break; | |
1141 | range->bitrate[j] = (rates[i] & 0x7f) * 500000; | |
1142 | /* check for non 802.11b rates */ | |
1143 | if (range->bitrate[j] == 6000000 || | |
1144 | range->bitrate[j] == 9000000 || | |
1145 | (range->bitrate[j] >= 12000000 && | |
1146 | range->bitrate[j] != 22000000)) | |
1147 | has_80211g_rates = 1; | |
1148 | j++; | |
1149 | } | |
1150 | range->num_bitrates = j; | |
1151 | } else | |
1152 | range->num_bitrates = 0; | |
1153 | ||
1154 | /* fill in 802.11g rates */ | |
1155 | if (has_80211g_rates) { | |
1156 | num = range->num_bitrates; | |
20ad4fd5 | 1157 | for (i = 0; i < ARRAY_SIZE(rates_80211g); i++) { |
bf164cc0 JK |
1158 | for (j = 0; j < num; j++) { |
1159 | if (range->bitrate[j] == | |
1160 | rates_80211g[i] * 1000000) | |
1161 | break; | |
1162 | } | |
1163 | if (j == num) | |
1164 | range->bitrate[range->num_bitrates++] = | |
1165 | rates_80211g[i] * 1000000; | |
1166 | if (range->num_bitrates == IW_MAX_BITRATES) | |
1167 | break; | |
1168 | } | |
1169 | ||
1170 | /* estimated max real througput in bps */ | |
1171 | range->throughput = 54 * 1000 * 1000 / 2; | |
1172 | ||
1173 | /* ~35% more with afterburner */ | |
1174 | if (priv->param_afterburner) | |
1175 | range->throughput = range->throughput / 100 * 135; | |
1176 | } else { | |
1177 | /* estimated max real througput in bps */ | |
1178 | range->throughput = 11 * 1000 * 1000 / 2; | |
1179 | } | |
1180 | ||
5720508d | 1181 | range->num_channels = ARRAY_SIZE(freq_chan); |
bf164cc0 | 1182 | |
5720508d | 1183 | for (i = 0; i < ARRAY_SIZE(freq_chan) && i < IW_MAX_FREQUENCIES; i++) { |
bf164cc0 JK |
1184 | range->freq[i].i = i + 1; |
1185 | range->freq[i].m = freq_chan[i] * 100000; | |
1186 | range->freq[i].e = 1; | |
1187 | } | |
1188 | range->num_frequency = i; | |
1189 | ||
1190 | range->min_rts = 0; | |
1191 | range->max_rts = 2347; | |
1192 | range->min_frag = 256; | |
1193 | range->max_frag = 2346; | |
1194 | ||
1195 | range->max_qual.qual = 100; | |
1196 | range->max_qual.level = 154; | |
1197 | range->max_qual.updated = IW_QUAL_QUAL_UPDATED | |
1198 | | IW_QUAL_LEVEL_UPDATED | |
1199 | | IW_QUAL_NOISE_INVALID; | |
1200 | ||
1201 | range->we_version_compiled = WIRELESS_EXT; | |
1202 | range->we_version_source = WIRELESS_EXT; | |
1203 | ||
1204 | range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | | |
1205 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; | |
1206 | return 0; | |
1207 | } | |
1208 | ||
1209 | ||
1210 | static int rndis_iw_get_name(struct net_device *dev, | |
1211 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1212 | { | |
1213 | struct usbnet *usbdev = dev->priv; | |
1214 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1215 | ||
1216 | strcpy(wrqu->name, priv->name); | |
1217 | return 0; | |
1218 | } | |
1219 | ||
1220 | ||
1221 | static int rndis_iw_set_essid(struct net_device *dev, | |
1222 | struct iw_request_info *info, union iwreq_data *wrqu, char *essid) | |
1223 | { | |
1e41e1d2 | 1224 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
1225 | int length = wrqu->essid.length; |
1226 | struct usbnet *usbdev = dev->priv; | |
1227 | ||
1228 | devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'", | |
1229 | wrqu->essid.flags, wrqu->essid.length, essid); | |
1230 | ||
1231 | if (length > NDIS_802_11_LENGTH_SSID) | |
1232 | length = NDIS_802_11_LENGTH_SSID; | |
1233 | ||
461b3f2a | 1234 | ssid.length = cpu_to_le32(length); |
bf164cc0 | 1235 | if (length > 0) |
461b3f2a | 1236 | memcpy(ssid.essid, essid, length); |
bf164cc0 | 1237 | else |
461b3f2a | 1238 | memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID); |
bf164cc0 JK |
1239 | |
1240 | set_assoc_params(usbdev); | |
1241 | ||
1242 | if (!wrqu->essid.flags || length == 0) | |
1243 | return disassociate(usbdev, 1); | |
1244 | else | |
1245 | return set_essid(usbdev, &ssid); | |
1246 | } | |
1247 | ||
1248 | ||
1249 | static int rndis_iw_get_essid(struct net_device *dev, | |
1250 | struct iw_request_info *info, union iwreq_data *wrqu, char *essid) | |
1251 | { | |
1e41e1d2 | 1252 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
1253 | struct usbnet *usbdev = dev->priv; |
1254 | int ret; | |
1255 | ||
1256 | ret = get_essid(usbdev, &ssid); | |
1257 | ||
461b3f2a | 1258 | if (ret == 0 && le32_to_cpu(ssid.length) > 0) { |
bf164cc0 | 1259 | wrqu->essid.flags = 1; |
461b3f2a JK |
1260 | wrqu->essid.length = le32_to_cpu(ssid.length); |
1261 | memcpy(essid, ssid.essid, wrqu->essid.length); | |
bf164cc0 JK |
1262 | essid[wrqu->essid.length] = 0; |
1263 | } else { | |
1264 | memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID)); | |
1265 | wrqu->essid.flags = 0; | |
1266 | wrqu->essid.length = 0; | |
1267 | } | |
1268 | devdbg(usbdev, "SIOCGIWESSID: %s", essid); | |
1269 | return ret; | |
1270 | } | |
1271 | ||
1272 | ||
1273 | static int rndis_iw_get_bssid(struct net_device *dev, | |
1274 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1275 | { | |
1276 | struct usbnet *usbdev = dev->priv; | |
1277 | unsigned char bssid[ETH_ALEN]; | |
1278 | int ret; | |
1279 | DECLARE_MAC_BUF(mac); | |
1280 | ||
1281 | ret = get_bssid(usbdev, bssid); | |
1282 | ||
1283 | if (ret == 0) | |
1284 | devdbg(usbdev, "SIOCGIWAP: %s", print_mac(mac, bssid)); | |
1285 | else | |
1286 | devdbg(usbdev, "SIOCGIWAP: <not associated>"); | |
1287 | ||
1288 | wrqu->ap_addr.sa_family = ARPHRD_ETHER; | |
1289 | memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN); | |
1290 | ||
1291 | return ret; | |
1292 | } | |
1293 | ||
1294 | ||
1295 | static int rndis_iw_set_bssid(struct net_device *dev, | |
1296 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1297 | { | |
1298 | struct usbnet *usbdev = dev->priv; | |
1299 | u8 *bssid = (u8 *)wrqu->ap_addr.sa_data; | |
1300 | DECLARE_MAC_BUF(mac); | |
1301 | int ret; | |
1302 | ||
1303 | devdbg(usbdev, "SIOCSIWAP: %s", print_mac(mac, bssid)); | |
1304 | ||
1305 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); | |
1306 | ||
1307 | /* user apps may set ap's mac address, which is not required; | |
1308 | * they may fail to work if this function fails, so return | |
1309 | * success */ | |
1310 | if (ret) | |
1311 | devwarn(usbdev, "setting AP mac address failed (%08X)", ret); | |
1312 | ||
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | ||
1317 | static int rndis_iw_set_auth(struct net_device *dev, | |
1318 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1319 | { | |
1320 | struct iw_param *p = &wrqu->param; | |
1321 | struct usbnet *usbdev = dev->priv; | |
1322 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1323 | int ret = -ENOTSUPP; | |
1324 | ||
1325 | switch (p->flags & IW_AUTH_INDEX) { | |
1326 | case IW_AUTH_WPA_VERSION: | |
1327 | devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value); | |
1328 | priv->wpa_version = p->value; | |
1329 | ret = 0; | |
1330 | break; | |
1331 | ||
1332 | case IW_AUTH_CIPHER_PAIRWISE: | |
1333 | devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value); | |
1334 | priv->wpa_cipher_pair = p->value; | |
1335 | ret = 0; | |
1336 | break; | |
1337 | ||
1338 | case IW_AUTH_CIPHER_GROUP: | |
1339 | devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value); | |
1340 | priv->wpa_cipher_group = p->value; | |
1341 | ret = 0; | |
1342 | break; | |
1343 | ||
1344 | case IW_AUTH_KEY_MGMT: | |
1345 | devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value); | |
1346 | priv->wpa_keymgmt = p->value; | |
1347 | ret = 0; | |
1348 | break; | |
1349 | ||
1350 | case IW_AUTH_TKIP_COUNTERMEASURES: | |
1351 | devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x", | |
1352 | p->value); | |
1353 | ret = 0; | |
1354 | break; | |
1355 | ||
1356 | case IW_AUTH_DROP_UNENCRYPTED: | |
1357 | devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value); | |
1358 | ret = 0; | |
1359 | break; | |
1360 | ||
1361 | case IW_AUTH_80211_AUTH_ALG: | |
1362 | devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value); | |
1363 | priv->wpa_authalg = p->value; | |
1364 | ret = 0; | |
1365 | break; | |
1366 | ||
1367 | case IW_AUTH_WPA_ENABLED: | |
1368 | devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value); | |
1369 | if (wrqu->param.value) | |
1370 | deauthenticate(usbdev); | |
1371 | ret = 0; | |
1372 | break; | |
1373 | ||
1374 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: | |
1375 | devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x", | |
1376 | p->value); | |
1377 | ret = 0; | |
1378 | break; | |
1379 | ||
1380 | case IW_AUTH_ROAMING_CONTROL: | |
1381 | devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value); | |
1382 | ret = 0; | |
1383 | break; | |
1384 | ||
1385 | case IW_AUTH_PRIVACY_INVOKED: | |
1386 | devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d", | |
1387 | wrqu->param.flags & IW_AUTH_INDEX); | |
1388 | return -EOPNOTSUPP; | |
1389 | ||
1390 | default: | |
1391 | devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x", | |
1392 | p->flags & IW_AUTH_INDEX, p->value); | |
1393 | } | |
1394 | return ret; | |
1395 | } | |
1396 | ||
1397 | ||
1398 | static int rndis_iw_get_auth(struct net_device *dev, | |
1399 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1400 | { | |
1401 | struct iw_param *p = &wrqu->param; | |
1402 | struct usbnet *usbdev = dev->priv; | |
1403 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1404 | ||
1405 | switch (p->flags & IW_AUTH_INDEX) { | |
1406 | case IW_AUTH_WPA_VERSION: | |
1407 | p->value = priv->wpa_version; | |
1408 | break; | |
1409 | case IW_AUTH_CIPHER_PAIRWISE: | |
1410 | p->value = priv->wpa_cipher_pair; | |
1411 | break; | |
1412 | case IW_AUTH_CIPHER_GROUP: | |
1413 | p->value = priv->wpa_cipher_group; | |
1414 | break; | |
1415 | case IW_AUTH_KEY_MGMT: | |
1416 | p->value = priv->wpa_keymgmt; | |
1417 | break; | |
1418 | case IW_AUTH_80211_AUTH_ALG: | |
1419 | p->value = priv->wpa_authalg; | |
1420 | break; | |
1421 | default: | |
1422 | devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d", | |
1423 | wrqu->param.flags & IW_AUTH_INDEX); | |
1424 | return -EOPNOTSUPP; | |
1425 | } | |
1426 | return 0; | |
1427 | } | |
1428 | ||
1429 | ||
1430 | static int rndis_iw_get_mode(struct net_device *dev, | |
1431 | struct iw_request_info *info, | |
1432 | union iwreq_data *wrqu, char *extra) | |
1433 | { | |
1434 | struct usbnet *usbdev = dev->priv; | |
1435 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1436 | ||
1437 | switch (priv->infra_mode) { | |
1e41e1d2 | 1438 | case ndis_80211_infra_adhoc: |
bf164cc0 JK |
1439 | wrqu->mode = IW_MODE_ADHOC; |
1440 | break; | |
1e41e1d2 | 1441 | case ndis_80211_infra_infra: |
bf164cc0 JK |
1442 | wrqu->mode = IW_MODE_INFRA; |
1443 | break; | |
1e41e1d2 | 1444 | /*case ndis_80211_infra_auto_unknown:*/ |
bf164cc0 JK |
1445 | default: |
1446 | wrqu->mode = IW_MODE_AUTO; | |
1447 | break; | |
1448 | } | |
1449 | devdbg(usbdev, "SIOCGIWMODE: %08x", wrqu->mode); | |
1450 | return 0; | |
1451 | } | |
1452 | ||
1453 | ||
1454 | static int rndis_iw_set_mode(struct net_device *dev, | |
1455 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1456 | { | |
1457 | struct usbnet *usbdev = dev->priv; | |
1458 | int mode; | |
1459 | ||
1460 | devdbg(usbdev, "SIOCSIWMODE: %08x", wrqu->mode); | |
1461 | ||
1462 | switch (wrqu->mode) { | |
1463 | case IW_MODE_ADHOC: | |
1e41e1d2 | 1464 | mode = ndis_80211_infra_adhoc; |
bf164cc0 JK |
1465 | break; |
1466 | case IW_MODE_INFRA: | |
1e41e1d2 | 1467 | mode = ndis_80211_infra_infra; |
bf164cc0 JK |
1468 | break; |
1469 | /*case IW_MODE_AUTO:*/ | |
1470 | default: | |
1e41e1d2 | 1471 | mode = ndis_80211_infra_auto_unknown; |
bf164cc0 JK |
1472 | break; |
1473 | } | |
1474 | ||
1475 | return set_infra_mode(usbdev, mode); | |
1476 | } | |
1477 | ||
1478 | ||
1479 | static int rndis_iw_set_encode(struct net_device *dev, | |
1480 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1481 | { | |
1482 | struct usbnet *usbdev = dev->priv; | |
1483 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1484 | int ret, index, key_len; | |
1485 | u8 *key; | |
1486 | ||
1487 | index = (wrqu->encoding.flags & IW_ENCODE_INDEX); | |
1488 | ||
1489 | /* iwconfig gives index as 1 - N */ | |
1490 | if (index > 0) | |
1491 | index--; | |
1492 | else | |
1493 | index = priv->encr_tx_key_index; | |
1494 | ||
1495 | if (index < 0 || index >= 4) { | |
1496 | devwarn(usbdev, "encryption index out of range (%u)", index); | |
1497 | return -EINVAL; | |
1498 | } | |
1499 | ||
1500 | /* remove key if disabled */ | |
1501 | if (wrqu->data.flags & IW_ENCODE_DISABLED) { | |
1502 | if (remove_key(usbdev, index, NULL)) | |
1503 | return -EINVAL; | |
1504 | else | |
1505 | return 0; | |
1506 | } | |
1507 | ||
1508 | /* global encryption state (for all keys) */ | |
1509 | if (wrqu->data.flags & IW_ENCODE_OPEN) | |
1510 | ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, | |
1511 | IW_AUTH_ALG_OPEN_SYSTEM); | |
1512 | else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/ | |
1513 | ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, | |
1514 | IW_AUTH_ALG_SHARED_KEY); | |
1515 | if (ret != 0) | |
1516 | return ret; | |
1517 | ||
1518 | if (wrqu->data.length > 0) { | |
1519 | key_len = wrqu->data.length; | |
1520 | key = extra; | |
1521 | } else { | |
1522 | /* must be set as tx key */ | |
1523 | if (priv->encr_key_len[index] == 0) | |
1524 | return -EINVAL; | |
1525 | key_len = priv->encr_key_len[index]; | |
1526 | key = priv->encr_keys[index]; | |
1527 | priv->encr_tx_key_index = index; | |
1528 | } | |
1529 | ||
1530 | if (add_wep_key(usbdev, key, key_len, index) != 0) | |
1531 | return -EINVAL; | |
1532 | ||
1533 | if (index == priv->encr_tx_key_index) | |
1534 | /* ndis drivers want essid to be set after setting encr */ | |
1535 | set_essid(usbdev, &priv->essid); | |
1536 | ||
1537 | return 0; | |
1538 | } | |
1539 | ||
1540 | ||
1541 | static int rndis_iw_set_encode_ext(struct net_device *dev, | |
1542 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1543 | { | |
1544 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
1545 | struct usbnet *usbdev = dev->priv; | |
1546 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1e41e1d2 | 1547 | struct ndis_80211_key ndis_key; |
cdb2a9fe | 1548 | int keyidx, ret; |
bf164cc0 JK |
1549 | u8 *addr; |
1550 | ||
1551 | keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX; | |
1552 | ||
1553 | /* iwconfig gives index as 1 - N */ | |
1554 | if (keyidx) | |
1555 | keyidx--; | |
1556 | else | |
1557 | keyidx = priv->encr_tx_key_index; | |
1558 | ||
1559 | if (keyidx < 0 || keyidx >= 4) | |
1560 | return -EINVAL; | |
1561 | ||
1562 | if (ext->alg == WPA_ALG_WEP) { | |
1563 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) | |
1564 | priv->encr_tx_key_index = keyidx; | |
1565 | return add_wep_key(usbdev, ext->key, ext->key_len, keyidx); | |
1566 | } | |
1567 | ||
1568 | if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) || | |
1569 | ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0) | |
1570 | return remove_key(usbdev, keyidx, NULL); | |
1571 | ||
461b3f2a | 1572 | if (ext->key_len > sizeof(ndis_key.material)) |
bf164cc0 JK |
1573 | return -1; |
1574 | ||
1575 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
1576 | ||
461b3f2a JK |
1577 | ndis_key.size = cpu_to_le32(sizeof(ndis_key) - |
1578 | sizeof(ndis_key.material) + ext->key_len); | |
1579 | ndis_key.length = cpu_to_le32(ext->key_len); | |
1580 | ndis_key.index = cpu_to_le32(keyidx); | |
bf164cc0 JK |
1581 | |
1582 | if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { | |
461b3f2a JK |
1583 | memcpy(ndis_key.rsc, ext->rx_seq, 6); |
1584 | ndis_key.index |= cpu_to_le32(1 << 29); | |
bf164cc0 JK |
1585 | } |
1586 | ||
1587 | addr = ext->addr.sa_data; | |
1588 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { | |
1589 | /* group key */ | |
1e41e1d2 | 1590 | if (priv->infra_mode == ndis_80211_infra_adhoc) |
461b3f2a | 1591 | memset(ndis_key.bssid, 0xff, ETH_ALEN); |
bf164cc0 | 1592 | else |
461b3f2a | 1593 | get_bssid(usbdev, ndis_key.bssid); |
bf164cc0 JK |
1594 | } else { |
1595 | /* pairwise key */ | |
461b3f2a JK |
1596 | ndis_key.index |= cpu_to_le32(1 << 30); |
1597 | memcpy(ndis_key.bssid, addr, ETH_ALEN); | |
bf164cc0 JK |
1598 | } |
1599 | ||
1600 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) | |
461b3f2a | 1601 | ndis_key.index |= cpu_to_le32(1 << 31); |
bf164cc0 JK |
1602 | |
1603 | if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) { | |
1604 | /* wpa_supplicant gives us the Michael MIC RX/TX keys in | |
1605 | * different order than NDIS spec, so swap the order here. */ | |
461b3f2a JK |
1606 | memcpy(ndis_key.material, ext->key, 16); |
1607 | memcpy(ndis_key.material + 16, ext->key + 24, 8); | |
1608 | memcpy(ndis_key.material + 24, ext->key + 16, 8); | |
bf164cc0 | 1609 | } else |
461b3f2a | 1610 | memcpy(ndis_key.material, ext->key, ext->key_len); |
bf164cc0 JK |
1611 | |
1612 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key, | |
461b3f2a | 1613 | le32_to_cpu(ndis_key.size)); |
bf164cc0 JK |
1614 | devdbg(usbdev, "SIOCSIWENCODEEXT: OID_802_11_ADD_KEY -> %08X", ret); |
1615 | if (ret != 0) | |
1616 | return ret; | |
1617 | ||
1618 | priv->encr_key_len[keyidx] = ext->key_len; | |
461b3f2a | 1619 | memcpy(&priv->encr_keys[keyidx], ndis_key.material, ext->key_len); |
bf164cc0 JK |
1620 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) |
1621 | priv->encr_tx_key_index = keyidx; | |
1622 | ||
1623 | return 0; | |
1624 | } | |
1625 | ||
1626 | ||
1627 | static int rndis_iw_set_scan(struct net_device *dev, | |
1628 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1629 | { | |
bf164cc0 JK |
1630 | struct usbnet *usbdev = dev->priv; |
1631 | union iwreq_data evt; | |
1632 | int ret = -EINVAL; | |
1633 | __le32 tmp; | |
1634 | ||
1635 | devdbg(usbdev, "SIOCSIWSCAN"); | |
1636 | ||
9930ccee | 1637 | if (wrqu->data.flags == 0) { |
bf164cc0 JK |
1638 | tmp = ccpu2(1); |
1639 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, | |
1640 | sizeof(tmp)); | |
1641 | evt.data.flags = 0; | |
1642 | evt.data.length = 0; | |
1643 | wireless_send_event(dev, SIOCGIWSCAN, &evt, NULL); | |
1644 | } | |
1645 | return ret; | |
1646 | } | |
1647 | ||
1648 | ||
1649 | static char *rndis_translate_scan(struct net_device *dev, | |
ccc58057 DM |
1650 | struct iw_request_info *info, char *cev, |
1651 | char *end_buf, | |
1652 | struct ndis_80211_bssid_ex *bssid) | |
bf164cc0 JK |
1653 | { |
1654 | #ifdef DEBUG | |
1655 | struct usbnet *usbdev = dev->priv; | |
1656 | #endif | |
1657 | struct ieee80211_info_element *ie; | |
1658 | char *current_val; | |
1659 | int bssid_len, ie_len, i; | |
1660 | u32 beacon, atim; | |
1661 | struct iw_event iwe; | |
1662 | unsigned char sbuf[32]; | |
1663 | DECLARE_MAC_BUF(mac); | |
1664 | ||
461b3f2a | 1665 | bssid_len = le32_to_cpu(bssid->length); |
bf164cc0 | 1666 | |
461b3f2a | 1667 | devdbg(usbdev, "BSSID %s", print_mac(mac, bssid->mac)); |
bf164cc0 JK |
1668 | iwe.cmd = SIOCGIWAP; |
1669 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
461b3f2a | 1670 | memcpy(iwe.u.ap_addr.sa_data, bssid->mac, ETH_ALEN); |
ccc58057 | 1671 | cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_ADDR_LEN); |
bf164cc0 | 1672 | |
461b3f2a JK |
1673 | devdbg(usbdev, "SSID(%d) %s", le32_to_cpu(bssid->ssid.length), |
1674 | bssid->ssid.essid); | |
bf164cc0 | 1675 | iwe.cmd = SIOCGIWESSID; |
461b3f2a | 1676 | iwe.u.essid.length = le32_to_cpu(bssid->ssid.length); |
bf164cc0 | 1677 | iwe.u.essid.flags = 1; |
ccc58057 | 1678 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, bssid->ssid.essid); |
bf164cc0 | 1679 | |
461b3f2a | 1680 | devdbg(usbdev, "MODE %d", le32_to_cpu(bssid->net_infra)); |
bf164cc0 | 1681 | iwe.cmd = SIOCGIWMODE; |
461b3f2a | 1682 | switch (le32_to_cpu(bssid->net_infra)) { |
1e41e1d2 | 1683 | case ndis_80211_infra_adhoc: |
bf164cc0 JK |
1684 | iwe.u.mode = IW_MODE_ADHOC; |
1685 | break; | |
1e41e1d2 | 1686 | case ndis_80211_infra_infra: |
bf164cc0 JK |
1687 | iwe.u.mode = IW_MODE_INFRA; |
1688 | break; | |
1e41e1d2 | 1689 | /*case ndis_80211_infra_auto_unknown:*/ |
bf164cc0 JK |
1690 | default: |
1691 | iwe.u.mode = IW_MODE_AUTO; | |
1692 | break; | |
1693 | } | |
ccc58057 | 1694 | cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_UINT_LEN); |
bf164cc0 | 1695 | |
461b3f2a | 1696 | devdbg(usbdev, "FREQ %d kHz", le32_to_cpu(bssid->config.ds_config)); |
bf164cc0 | 1697 | iwe.cmd = SIOCGIWFREQ; |
461b3f2a | 1698 | dsconfig_to_freq(le32_to_cpu(bssid->config.ds_config), &iwe.u.freq); |
ccc58057 | 1699 | cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_FREQ_LEN); |
bf164cc0 | 1700 | |
461b3f2a | 1701 | devdbg(usbdev, "QUAL %d", le32_to_cpu(bssid->rssi)); |
bf164cc0 | 1702 | iwe.cmd = IWEVQUAL; |
461b3f2a JK |
1703 | iwe.u.qual.qual = level_to_qual(le32_to_cpu(bssid->rssi)); |
1704 | iwe.u.qual.level = le32_to_cpu(bssid->rssi); | |
bf164cc0 JK |
1705 | iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED |
1706 | | IW_QUAL_LEVEL_UPDATED | |
1707 | | IW_QUAL_NOISE_INVALID; | |
ccc58057 | 1708 | cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_QUAL_LEN); |
bf164cc0 | 1709 | |
461b3f2a | 1710 | devdbg(usbdev, "ENCODE %d", le32_to_cpu(bssid->privacy)); |
bf164cc0 JK |
1711 | iwe.cmd = SIOCGIWENCODE; |
1712 | iwe.u.data.length = 0; | |
461b3f2a | 1713 | if (le32_to_cpu(bssid->privacy) == ndis_80211_priv_accept_all) |
bf164cc0 JK |
1714 | iwe.u.data.flags = IW_ENCODE_DISABLED; |
1715 | else | |
1716 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; | |
1717 | ||
ccc58057 | 1718 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL); |
bf164cc0 JK |
1719 | |
1720 | devdbg(usbdev, "RATES:"); | |
ccc58057 | 1721 | current_val = cev + iwe_stream_lcp_len(info); |
bf164cc0 | 1722 | iwe.cmd = SIOCGIWRATE; |
461b3f2a JK |
1723 | for (i = 0; i < sizeof(bssid->rates); i++) { |
1724 | if (bssid->rates[i] & 0x7f) { | |
bf164cc0 | 1725 | iwe.u.bitrate.value = |
461b3f2a | 1726 | ((bssid->rates[i] & 0x7f) * |
bf164cc0 JK |
1727 | 500000); |
1728 | devdbg(usbdev, " %d", iwe.u.bitrate.value); | |
ccc58057 | 1729 | current_val = iwe_stream_add_value(info, cev, |
bf164cc0 JK |
1730 | current_val, end_buf, &iwe, |
1731 | IW_EV_PARAM_LEN); | |
1732 | } | |
1733 | } | |
1734 | ||
ccc58057 | 1735 | if ((current_val - cev) > iwe_stream_lcp_len(info)) |
bf164cc0 JK |
1736 | cev = current_val; |
1737 | ||
461b3f2a | 1738 | beacon = le32_to_cpu(bssid->config.beacon_period); |
bf164cc0 JK |
1739 | devdbg(usbdev, "BCN_INT %d", beacon); |
1740 | iwe.cmd = IWEVCUSTOM; | |
1741 | snprintf(sbuf, sizeof(sbuf), "bcn_int=%d", beacon); | |
1742 | iwe.u.data.length = strlen(sbuf); | |
ccc58057 | 1743 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, sbuf); |
bf164cc0 | 1744 | |
461b3f2a | 1745 | atim = le32_to_cpu(bssid->config.atim_window); |
bf164cc0 JK |
1746 | devdbg(usbdev, "ATIM %d", atim); |
1747 | iwe.cmd = IWEVCUSTOM; | |
1748 | snprintf(sbuf, sizeof(sbuf), "atim=%u", atim); | |
1749 | iwe.u.data.length = strlen(sbuf); | |
ccc58057 | 1750 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, sbuf); |
bf164cc0 | 1751 | |
461b3f2a | 1752 | ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); |
bf164cc0 | 1753 | ie_len = min(bssid_len - (int)sizeof(*bssid), |
461b3f2a | 1754 | (int)le32_to_cpu(bssid->ie_length)); |
1e41e1d2 | 1755 | ie_len -= sizeof(struct ndis_80211_fixed_ies); |
bf164cc0 JK |
1756 | while (ie_len >= sizeof(*ie) && sizeof(*ie) + ie->len <= ie_len) { |
1757 | if ((ie->id == MFIE_TYPE_GENERIC && ie->len >= 4 && | |
1758 | memcmp(ie->data, "\x00\x50\xf2\x01", 4) == 0) || | |
1759 | ie->id == MFIE_TYPE_RSN) { | |
1760 | devdbg(usbdev, "IE: WPA%d", | |
1761 | (ie->id == MFIE_TYPE_RSN) ? 2 : 1); | |
1762 | iwe.cmd = IWEVGENIE; | |
1763 | iwe.u.data.length = min(ie->len + 2, MAX_WPA_IE_LEN); | |
ccc58057 | 1764 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, |
bf164cc0 JK |
1765 | (u8 *)ie); |
1766 | } | |
1767 | ||
1768 | ie_len -= sizeof(*ie) + ie->len; | |
1769 | ie = (struct ieee80211_info_element *)&ie->data[ie->len]; | |
1770 | } | |
1771 | ||
1772 | return cev; | |
1773 | } | |
1774 | ||
1775 | ||
1776 | static int rndis_iw_get_scan(struct net_device *dev, | |
1777 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1778 | { | |
1779 | struct usbnet *usbdev = dev->priv; | |
1780 | void *buf = NULL; | |
1781 | char *cev = extra; | |
1e41e1d2 JK |
1782 | struct ndis_80211_bssid_list_ex *bssid_list; |
1783 | struct ndis_80211_bssid_ex *bssid; | |
bf164cc0 JK |
1784 | int ret = -EINVAL, len, count, bssid_len; |
1785 | ||
1786 | devdbg(usbdev, "SIOCGIWSCAN"); | |
1787 | ||
1788 | len = CONTROL_BUFFER_SIZE; | |
1789 | buf = kmalloc(len, GFP_KERNEL); | |
1790 | if (!buf) { | |
1791 | ret = -ENOMEM; | |
1792 | goto out; | |
1793 | } | |
1794 | ||
1795 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
1796 | ||
1797 | if (ret != 0) | |
1798 | goto out; | |
1799 | ||
1800 | bssid_list = buf; | |
461b3f2a JK |
1801 | bssid = bssid_list->bssid; |
1802 | bssid_len = le32_to_cpu(bssid->length); | |
1803 | count = le32_to_cpu(bssid_list->num_items); | |
bf164cc0 JK |
1804 | devdbg(usbdev, "SIOCGIWSCAN: %d BSSIDs found", count); |
1805 | ||
1806 | while (count && ((void *)bssid + bssid_len) <= (buf + len)) { | |
ccc58057 DM |
1807 | cev = rndis_translate_scan(dev, info, cev, |
1808 | extra + IW_SCAN_MAX_DATA, bssid); | |
bf164cc0 | 1809 | bssid = (void *)bssid + bssid_len; |
461b3f2a | 1810 | bssid_len = le32_to_cpu(bssid->length); |
bf164cc0 JK |
1811 | count--; |
1812 | } | |
1813 | ||
1814 | out: | |
1815 | wrqu->data.length = cev - extra; | |
1816 | wrqu->data.flags = 0; | |
1817 | kfree(buf); | |
1818 | return ret; | |
1819 | } | |
1820 | ||
1821 | ||
1822 | static int rndis_iw_set_genie(struct net_device *dev, | |
1823 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1824 | { | |
1825 | struct usbnet *usbdev = dev->priv; | |
1826 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1827 | int ret = 0; | |
1828 | ||
1829 | #ifdef DEBUG | |
1830 | int j; | |
1831 | u8 *gie = extra; | |
1832 | for (j = 0; j < wrqu->data.length; j += 8) | |
1833 | devdbg(usbdev, | |
1834 | "SIOCSIWGENIE %04x - " | |
1835 | "%02x %02x %02x %02x %02x %02x %02x %02x", j, | |
1836 | gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3], | |
1837 | gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]); | |
1838 | #endif | |
1839 | /* clear existing IEs */ | |
1840 | if (priv->wpa_ie_len) { | |
1841 | kfree(priv->wpa_ie); | |
1842 | priv->wpa_ie_len = 0; | |
1843 | } | |
1844 | ||
1845 | /* set new IEs */ | |
1846 | priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL); | |
1847 | if (priv->wpa_ie) { | |
1848 | priv->wpa_ie_len = wrqu->data.length; | |
1849 | memcpy(priv->wpa_ie, extra, priv->wpa_ie_len); | |
1850 | } else | |
1851 | ret = -ENOMEM; | |
1852 | return ret; | |
1853 | } | |
1854 | ||
1855 | ||
1856 | static int rndis_iw_get_genie(struct net_device *dev, | |
1857 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1858 | { | |
1859 | struct usbnet *usbdev = dev->priv; | |
1860 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1861 | ||
1862 | devdbg(usbdev, "SIOCGIWGENIE"); | |
1863 | ||
1864 | if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) { | |
1865 | wrqu->data.length = 0; | |
1866 | return 0; | |
1867 | } | |
1868 | ||
1869 | if (wrqu->data.length < priv->wpa_ie_len) | |
1870 | return -E2BIG; | |
1871 | ||
1872 | wrqu->data.length = priv->wpa_ie_len; | |
1873 | memcpy(extra, priv->wpa_ie, priv->wpa_ie_len); | |
1874 | ||
1875 | return 0; | |
1876 | } | |
1877 | ||
1878 | ||
1879 | static int rndis_iw_set_rts(struct net_device *dev, | |
1880 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1881 | { | |
1882 | struct usbnet *usbdev = dev->priv; | |
1883 | __le32 tmp; | |
1884 | devdbg(usbdev, "SIOCSIWRTS"); | |
1885 | ||
1886 | tmp = cpu_to_le32(wrqu->rts.value); | |
1887 | return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, | |
1888 | sizeof(tmp)); | |
1889 | } | |
1890 | ||
1891 | ||
1892 | static int rndis_iw_get_rts(struct net_device *dev, | |
1893 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1894 | { | |
1895 | struct usbnet *usbdev = dev->priv; | |
1896 | __le32 tmp; | |
1897 | int len, ret; | |
1898 | ||
1899 | len = sizeof(tmp); | |
1900 | ret = rndis_query_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, &len); | |
1901 | if (ret == 0) { | |
1902 | wrqu->rts.value = le32_to_cpu(tmp); | |
1903 | wrqu->rts.flags = 1; | |
1904 | wrqu->rts.disabled = 0; | |
1905 | } | |
1906 | ||
1907 | devdbg(usbdev, "SIOCGIWRTS: %d", wrqu->rts.value); | |
1908 | ||
1909 | return ret; | |
1910 | } | |
1911 | ||
1912 | ||
1913 | static int rndis_iw_set_frag(struct net_device *dev, | |
1914 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1915 | { | |
1916 | struct usbnet *usbdev = dev->priv; | |
1917 | __le32 tmp; | |
1918 | ||
1919 | devdbg(usbdev, "SIOCSIWFRAG"); | |
1920 | ||
1921 | tmp = cpu_to_le32(wrqu->frag.value); | |
1922 | return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, | |
1923 | sizeof(tmp)); | |
1924 | } | |
1925 | ||
1926 | ||
1927 | static int rndis_iw_get_frag(struct net_device *dev, | |
1928 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1929 | { | |
1930 | struct usbnet *usbdev = dev->priv; | |
1931 | __le32 tmp; | |
1932 | int len, ret; | |
1933 | ||
1934 | len = sizeof(tmp); | |
1935 | ret = rndis_query_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, | |
1936 | &len); | |
1937 | if (ret == 0) { | |
1938 | wrqu->frag.value = le32_to_cpu(tmp); | |
1939 | wrqu->frag.flags = 1; | |
1940 | wrqu->frag.disabled = 0; | |
1941 | } | |
1942 | devdbg(usbdev, "SIOCGIWFRAG: %d", wrqu->frag.value); | |
1943 | return ret; | |
1944 | } | |
1945 | ||
1946 | ||
1947 | static int rndis_iw_set_nick(struct net_device *dev, | |
1948 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1949 | { | |
1950 | struct usbnet *usbdev = dev->priv; | |
1951 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1952 | ||
1953 | devdbg(usbdev, "SIOCSIWNICK"); | |
1954 | ||
1955 | priv->nick_len = wrqu->data.length; | |
1956 | if (priv->nick_len > 32) | |
1957 | priv->nick_len = 32; | |
1958 | ||
1959 | memcpy(priv->nick, extra, priv->nick_len); | |
1960 | return 0; | |
1961 | } | |
1962 | ||
1963 | ||
1964 | static int rndis_iw_get_nick(struct net_device *dev, | |
1965 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1966 | { | |
1967 | struct usbnet *usbdev = dev->priv; | |
1968 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1969 | ||
1970 | wrqu->data.flags = 1; | |
1971 | wrqu->data.length = priv->nick_len; | |
1972 | memcpy(extra, priv->nick, priv->nick_len); | |
1973 | ||
1974 | devdbg(usbdev, "SIOCGIWNICK: '%s'", priv->nick); | |
1975 | ||
1976 | return 0; | |
1977 | } | |
1978 | ||
1979 | ||
1980 | static int rndis_iw_set_freq(struct net_device *dev, | |
1981 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1982 | { | |
1983 | struct usbnet *usbdev = dev->priv; | |
1e41e1d2 | 1984 | struct ndis_80211_conf config; |
bf164cc0 JK |
1985 | unsigned int dsconfig; |
1986 | int len, ret; | |
1987 | ||
1988 | /* this OID is valid only when not associated */ | |
1989 | if (is_associated(usbdev)) | |
1990 | return 0; | |
1991 | ||
1992 | dsconfig = 0; | |
1993 | if (freq_to_dsconfig(&wrqu->freq, &dsconfig)) | |
1994 | return -EINVAL; | |
1995 | ||
1996 | len = sizeof(config); | |
1997 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
1998 | if (ret != 0) { | |
1999 | devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed"); | |
2000 | return 0; | |
2001 | } | |
2002 | ||
461b3f2a | 2003 | config.ds_config = cpu_to_le32(dsconfig); |
bf164cc0 JK |
2004 | |
2005 | devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e); | |
2006 | return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config, | |
2007 | sizeof(config)); | |
2008 | } | |
2009 | ||
2010 | ||
2011 | static int rndis_iw_get_freq(struct net_device *dev, | |
2012 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2013 | { | |
2014 | struct usbnet *usbdev = dev->priv; | |
1e41e1d2 | 2015 | struct ndis_80211_conf config; |
bf164cc0 JK |
2016 | int len, ret; |
2017 | ||
2018 | len = sizeof(config); | |
2019 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
2020 | if (ret == 0) | |
461b3f2a | 2021 | dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq); |
bf164cc0 JK |
2022 | |
2023 | devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m); | |
2024 | return ret; | |
2025 | } | |
2026 | ||
2027 | ||
2028 | static int rndis_iw_get_txpower(struct net_device *dev, | |
2029 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2030 | { | |
2031 | struct usbnet *usbdev = dev->priv; | |
2032 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
2033 | __le32 tx_power; | |
2034 | int ret = 0, len; | |
2035 | ||
2036 | if (priv->radio_on) { | |
2037 | if (priv->caps & CAP_SUPPORT_TXPOWER) { | |
2038 | len = sizeof(tx_power); | |
2039 | ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, | |
2040 | &tx_power, &len); | |
2041 | if (ret != 0) | |
2042 | return ret; | |
2043 | } else | |
2044 | /* fake incase not supported */ | |
2045 | tx_power = cpu_to_le32(get_bcm4320_power(priv)); | |
2046 | ||
2047 | wrqu->txpower.flags = IW_TXPOW_MWATT; | |
2048 | wrqu->txpower.value = le32_to_cpu(tx_power); | |
2049 | wrqu->txpower.disabled = 0; | |
2050 | } else { | |
2051 | wrqu->txpower.flags = IW_TXPOW_MWATT; | |
2052 | wrqu->txpower.value = 0; | |
2053 | wrqu->txpower.disabled = 1; | |
2054 | } | |
2055 | ||
2056 | devdbg(usbdev, "SIOCGIWTXPOW: %d", wrqu->txpower.value); | |
2057 | ||
2058 | return ret; | |
2059 | } | |
2060 | ||
2061 | ||
2062 | static int rndis_iw_set_txpower(struct net_device *dev, | |
2063 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2064 | { | |
2065 | struct usbnet *usbdev = dev->priv; | |
2066 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
2067 | __le32 tx_power = 0; | |
2068 | int ret = 0; | |
2069 | ||
2070 | if (!wrqu->txpower.disabled) { | |
2071 | if (wrqu->txpower.flags == IW_TXPOW_MWATT) | |
2072 | tx_power = cpu_to_le32(wrqu->txpower.value); | |
2073 | else { /* wrqu->txpower.flags == IW_TXPOW_DBM */ | |
2074 | if (wrqu->txpower.value > 20) | |
2075 | tx_power = cpu_to_le32(128); | |
2076 | else if (wrqu->txpower.value < -43) | |
2077 | tx_power = cpu_to_le32(127); | |
2078 | else { | |
2079 | signed char tmp; | |
2080 | tmp = wrqu->txpower.value; | |
2081 | tmp = -12 - tmp; | |
2082 | tmp <<= 2; | |
2083 | tx_power = cpu_to_le32((unsigned char)tmp); | |
2084 | } | |
2085 | } | |
2086 | } | |
2087 | ||
2088 | devdbg(usbdev, "SIOCSIWTXPOW: %d", le32_to_cpu(tx_power)); | |
2089 | ||
2090 | if (le32_to_cpu(tx_power) != 0) { | |
2091 | if (priv->caps & CAP_SUPPORT_TXPOWER) { | |
2092 | /* turn radio on first */ | |
2093 | if (!priv->radio_on) | |
2094 | disassociate(usbdev, 1); | |
2095 | ||
2096 | ret = rndis_set_oid(usbdev, OID_802_11_TX_POWER_LEVEL, | |
2097 | &tx_power, sizeof(tx_power)); | |
2098 | if (ret != 0) | |
2099 | ret = -EOPNOTSUPP; | |
2100 | return ret; | |
2101 | } else { | |
2102 | /* txpower unsupported, just turn radio on */ | |
2103 | if (!priv->radio_on) | |
2104 | return disassociate(usbdev, 1); | |
2105 | return 0; /* all ready on */ | |
2106 | } | |
2107 | } | |
2108 | ||
2109 | /* tx_power == 0, turn off radio */ | |
2110 | return disassociate(usbdev, 0); | |
2111 | } | |
2112 | ||
2113 | ||
2114 | static int rndis_iw_get_rate(struct net_device *dev, | |
2115 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2116 | { | |
2117 | struct usbnet *usbdev = dev->priv; | |
2118 | __le32 tmp; | |
2119 | int ret, len; | |
2120 | ||
2121 | len = sizeof(tmp); | |
2122 | ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len); | |
2123 | if (ret == 0) { | |
2124 | wrqu->bitrate.value = le32_to_cpu(tmp) * 100; | |
2125 | wrqu->bitrate.disabled = 0; | |
2126 | wrqu->bitrate.flags = 1; | |
2127 | } | |
2128 | return ret; | |
2129 | } | |
2130 | ||
2131 | ||
2132 | static int rndis_iw_set_mlme(struct net_device *dev, | |
2133 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2134 | { | |
2135 | struct usbnet *usbdev = dev->priv; | |
2136 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
2137 | struct iw_mlme *mlme = (struct iw_mlme *)extra; | |
2138 | unsigned char bssid[ETH_ALEN]; | |
2139 | ||
2140 | get_bssid(usbdev, bssid); | |
2141 | ||
2142 | if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN)) | |
2143 | return -EINVAL; | |
2144 | ||
2145 | switch (mlme->cmd) { | |
2146 | case IW_MLME_DEAUTH: | |
2147 | return deauthenticate(usbdev); | |
2148 | case IW_MLME_DISASSOC: | |
2149 | return disassociate(usbdev, priv->radio_on); | |
2150 | default: | |
2151 | return -EOPNOTSUPP; | |
2152 | } | |
2153 | ||
2154 | return 0; | |
2155 | } | |
2156 | ||
2157 | ||
2158 | static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev) | |
2159 | { | |
2160 | struct usbnet *usbdev = dev->priv; | |
2161 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
2162 | unsigned long flags; | |
2163 | ||
2164 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2165 | memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats)); | |
2166 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2167 | ||
2168 | return &priv->iwstats; | |
2169 | } | |
2170 | ||
2171 | ||
2172 | #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT] | |
2173 | static const iw_handler rndis_iw_handler[] = | |
2174 | { | |
2175 | IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit, | |
2176 | IW_IOCTL(SIOCGIWNAME) = rndis_iw_get_name, | |
2177 | IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq, | |
2178 | IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq, | |
2179 | IW_IOCTL(SIOCSIWMODE) = rndis_iw_set_mode, | |
2180 | IW_IOCTL(SIOCGIWMODE) = rndis_iw_get_mode, | |
2181 | IW_IOCTL(SIOCGIWRANGE) = rndis_iw_get_range, | |
2182 | IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid, | |
2183 | IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid, | |
2184 | IW_IOCTL(SIOCSIWSCAN) = rndis_iw_set_scan, | |
2185 | IW_IOCTL(SIOCGIWSCAN) = rndis_iw_get_scan, | |
2186 | IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid, | |
2187 | IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid, | |
2188 | IW_IOCTL(SIOCSIWNICKN) = rndis_iw_set_nick, | |
2189 | IW_IOCTL(SIOCGIWNICKN) = rndis_iw_get_nick, | |
2190 | IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate, | |
2191 | IW_IOCTL(SIOCSIWRTS) = rndis_iw_set_rts, | |
2192 | IW_IOCTL(SIOCGIWRTS) = rndis_iw_get_rts, | |
2193 | IW_IOCTL(SIOCSIWFRAG) = rndis_iw_set_frag, | |
2194 | IW_IOCTL(SIOCGIWFRAG) = rndis_iw_get_frag, | |
2195 | IW_IOCTL(SIOCSIWTXPOW) = rndis_iw_set_txpower, | |
2196 | IW_IOCTL(SIOCGIWTXPOW) = rndis_iw_get_txpower, | |
2197 | IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode, | |
2198 | IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext, | |
2199 | IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth, | |
2200 | IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth, | |
2201 | IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie, | |
2202 | IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie, | |
2203 | IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme, | |
2204 | }; | |
2205 | ||
2206 | static const iw_handler rndis_wext_private_handler[] = { | |
2207 | }; | |
2208 | ||
2209 | static const struct iw_priv_args rndis_wext_private_args[] = { | |
2210 | }; | |
2211 | ||
2212 | ||
2213 | static const struct iw_handler_def rndis_iw_handlers = { | |
2214 | .num_standard = ARRAY_SIZE(rndis_iw_handler), | |
2215 | .num_private = ARRAY_SIZE(rndis_wext_private_handler), | |
2216 | .num_private_args = ARRAY_SIZE(rndis_wext_private_args), | |
2217 | .standard = (iw_handler *)rndis_iw_handler, | |
2218 | .private = (iw_handler *)rndis_wext_private_handler, | |
2219 | .private_args = (struct iw_priv_args *)rndis_wext_private_args, | |
2220 | .get_wireless_stats = rndis_get_wireless_stats, | |
2221 | }; | |
2222 | ||
2223 | ||
2224 | static void rndis_wext_worker(struct work_struct *work) | |
2225 | { | |
2226 | struct rndis_wext_private *priv = | |
2227 | container_of(work, struct rndis_wext_private, work); | |
2228 | struct usbnet *usbdev = priv->usbdev; | |
2229 | union iwreq_data evt; | |
2230 | unsigned char bssid[ETH_ALEN]; | |
4364623c SA |
2231 | struct ndis_80211_assoc_info *info; |
2232 | int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32; | |
2233 | int ret, offset; | |
bf164cc0 | 2234 | |
6010ce07 | 2235 | if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) { |
5331b96c JK |
2236 | netif_carrier_on(usbdev->net); |
2237 | ||
4364623c SA |
2238 | info = kzalloc(assoc_size, GFP_KERNEL); |
2239 | if (!info) | |
2240 | goto get_bssid; | |
bf164cc0 | 2241 | |
4364623c SA |
2242 | /* Get association info IEs from device and send them back to |
2243 | * userspace. */ | |
2244 | ret = get_association_info(usbdev, info, assoc_size); | |
2245 | if (!ret) { | |
2246 | evt.data.length = le32_to_cpu(info->req_ie_length); | |
2247 | if (evt.data.length > 0) { | |
2248 | offset = le32_to_cpu(info->offset_req_ies); | |
2249 | wireless_send_event(usbdev->net, | |
2250 | IWEVASSOCREQIE, &evt, | |
2251 | (char *)info + offset); | |
2252 | } | |
2253 | ||
2254 | evt.data.length = le32_to_cpu(info->resp_ie_length); | |
2255 | if (evt.data.length > 0) { | |
2256 | offset = le32_to_cpu(info->offset_resp_ies); | |
2257 | wireless_send_event(usbdev->net, | |
2258 | IWEVASSOCRESPIE, &evt, | |
2259 | (char *)info + offset); | |
2260 | } | |
2261 | } | |
2262 | ||
2263 | kfree(info); | |
bf164cc0 | 2264 | |
4364623c SA |
2265 | get_bssid: |
2266 | ret = get_bssid(usbdev, bssid); | |
bf164cc0 JK |
2267 | if (!ret) { |
2268 | evt.data.flags = 0; | |
2269 | evt.data.length = 0; | |
2270 | memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN); | |
2271 | wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); | |
2272 | } | |
2273 | } | |
2274 | ||
6010ce07 | 2275 | if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) { |
5331b96c JK |
2276 | netif_carrier_off(usbdev->net); |
2277 | ||
6010ce07 JK |
2278 | evt.data.flags = 0; |
2279 | evt.data.length = 0; | |
2280 | memset(evt.ap_addr.sa_data, 0, ETH_ALEN); | |
2281 | wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); | |
2282 | } | |
2283 | ||
bf164cc0 JK |
2284 | if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2285 | set_multicast_list(usbdev); | |
2286 | } | |
2287 | ||
2288 | static void rndis_wext_set_multicast_list(struct net_device *dev) | |
2289 | { | |
2290 | struct usbnet *usbdev = dev->priv; | |
2291 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
2292 | ||
a67edb9e JK |
2293 | if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2294 | return; | |
2295 | ||
bf164cc0 JK |
2296 | set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
2297 | queue_work(priv->workqueue, &priv->work); | |
2298 | } | |
2299 | ||
a19d7292 | 2300 | static void rndis_wext_link_change(struct usbnet *usbdev, int state) |
bf164cc0 | 2301 | { |
a19d7292 | 2302 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
bf164cc0 | 2303 | |
6010ce07 JK |
2304 | /* queue work to avoid recursive calls into rndis_command */ |
2305 | set_bit(state ? WORK_LINK_UP : WORK_LINK_DOWN, &priv->work_pending); | |
2306 | queue_work(priv->workqueue, &priv->work); | |
bf164cc0 JK |
2307 | } |
2308 | ||
2309 | ||
a19d7292 | 2310 | static int rndis_wext_get_caps(struct usbnet *usbdev) |
bf164cc0 JK |
2311 | { |
2312 | struct { | |
2313 | __le32 num_items; | |
2314 | __le32 items[8]; | |
2315 | } networks_supported; | |
2316 | int len, retval, i, n; | |
2317 | __le32 tx_power; | |
a19d7292 | 2318 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
bf164cc0 JK |
2319 | |
2320 | /* determine if supports setting txpower */ | |
2321 | len = sizeof(tx_power); | |
a19d7292 JK |
2322 | retval = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, &tx_power, |
2323 | &len); | |
bf164cc0 JK |
2324 | if (retval == 0 && le32_to_cpu(tx_power) != 0xFF) |
2325 | priv->caps |= CAP_SUPPORT_TXPOWER; | |
2326 | ||
2327 | /* determine supported modes */ | |
2328 | len = sizeof(networks_supported); | |
a19d7292 | 2329 | retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED, |
bf164cc0 JK |
2330 | &networks_supported, &len); |
2331 | if (retval >= 0) { | |
2332 | n = le32_to_cpu(networks_supported.num_items); | |
2333 | if (n > 8) | |
2334 | n = 8; | |
2335 | for (i = 0; i < n; i++) { | |
2336 | switch (le32_to_cpu(networks_supported.items[i])) { | |
1e41e1d2 JK |
2337 | case ndis_80211_type_freq_hop: |
2338 | case ndis_80211_type_direct_seq: | |
bf164cc0 JK |
2339 | priv->caps |= CAP_MODE_80211B; |
2340 | break; | |
1e41e1d2 | 2341 | case ndis_80211_type_ofdm_a: |
bf164cc0 JK |
2342 | priv->caps |= CAP_MODE_80211A; |
2343 | break; | |
1e41e1d2 | 2344 | case ndis_80211_type_ofdm_g: |
bf164cc0 JK |
2345 | priv->caps |= CAP_MODE_80211G; |
2346 | break; | |
2347 | } | |
2348 | } | |
2349 | if (priv->caps & CAP_MODE_80211A) | |
2350 | strcat(priv->name, "a"); | |
2351 | if (priv->caps & CAP_MODE_80211B) | |
2352 | strcat(priv->name, "b"); | |
2353 | if (priv->caps & CAP_MODE_80211G) | |
2354 | strcat(priv->name, "g"); | |
2355 | } | |
2356 | ||
2357 | return retval; | |
2358 | } | |
2359 | ||
2360 | ||
2361 | #define STATS_UPDATE_JIFFIES (HZ) | |
2362 | static void rndis_update_wireless_stats(struct work_struct *work) | |
2363 | { | |
2364 | struct rndis_wext_private *priv = | |
2365 | container_of(work, struct rndis_wext_private, stats_work.work); | |
2366 | struct usbnet *usbdev = priv->usbdev; | |
2367 | struct iw_statistics iwstats; | |
2368 | __le32 rssi, tmp; | |
a97b1f3d | 2369 | int len, ret, j; |
bf164cc0 JK |
2370 | unsigned long flags; |
2371 | int update_jiffies = STATS_UPDATE_JIFFIES; | |
2372 | void *buf; | |
2373 | ||
2374 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2375 | memcpy(&iwstats, &priv->privstats, sizeof(iwstats)); | |
2376 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2377 | ||
2378 | /* only update stats when connected */ | |
2379 | if (!is_associated(usbdev)) { | |
2380 | iwstats.qual.qual = 0; | |
2381 | iwstats.qual.level = 0; | |
2382 | iwstats.qual.updated = IW_QUAL_QUAL_UPDATED | |
2383 | | IW_QUAL_LEVEL_UPDATED | |
2384 | | IW_QUAL_NOISE_INVALID | |
2385 | | IW_QUAL_QUAL_INVALID | |
2386 | | IW_QUAL_LEVEL_INVALID; | |
2387 | goto end; | |
2388 | } | |
2389 | ||
2390 | len = sizeof(rssi); | |
2391 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
2392 | ||
2393 | devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret, | |
2394 | le32_to_cpu(rssi)); | |
2395 | if (ret == 0) { | |
2396 | memset(&iwstats.qual, 0, sizeof(iwstats.qual)); | |
2397 | iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi)); | |
2398 | iwstats.qual.level = le32_to_cpu(rssi); | |
2399 | iwstats.qual.updated = IW_QUAL_QUAL_UPDATED | |
2400 | | IW_QUAL_LEVEL_UPDATED | |
2401 | | IW_QUAL_NOISE_INVALID; | |
2402 | } | |
2403 | ||
2404 | memset(&iwstats.discard, 0, sizeof(iwstats.discard)); | |
2405 | ||
2406 | len = sizeof(tmp); | |
2407 | ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len); | |
2408 | if (ret == 0) | |
2409 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2410 | ||
2411 | len = sizeof(tmp); | |
2412 | ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len); | |
2413 | if (ret == 0) | |
2414 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2415 | ||
2416 | len = sizeof(tmp); | |
2417 | ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len); | |
2418 | if (ret == 0) | |
2419 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2420 | ||
a97b1f3d JK |
2421 | /* Workaround transfer stalls on poor quality links. |
2422 | * TODO: find right way to fix these stalls (as stalls do not happen | |
2423 | * with ndiswrapper/windows driver). */ | |
2424 | if (iwstats.qual.qual <= 25) { | |
bf164cc0 JK |
2425 | /* Decrease stats worker interval to catch stalls. |
2426 | * faster. Faster than 400-500ms causes packet loss, | |
2427 | * Slower doesn't catch stalls fast enough. | |
2428 | */ | |
2429 | j = msecs_to_jiffies(priv->param_workaround_interval); | |
2430 | if (j > STATS_UPDATE_JIFFIES) | |
2431 | j = STATS_UPDATE_JIFFIES; | |
2432 | else if (j <= 0) | |
2433 | j = 1; | |
2434 | update_jiffies = j; | |
2435 | ||
2436 | /* Send scan OID. Use of both OIDs is required to get device | |
2437 | * working. | |
2438 | */ | |
2439 | tmp = ccpu2(1); | |
2440 | rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, | |
2441 | sizeof(tmp)); | |
2442 | ||
2443 | len = CONTROL_BUFFER_SIZE; | |
2444 | buf = kmalloc(len, GFP_KERNEL); | |
2445 | if (!buf) | |
2446 | goto end; | |
2447 | ||
2448 | rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
2449 | kfree(buf); | |
2450 | } | |
2451 | end: | |
2452 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2453 | memcpy(&priv->privstats, &iwstats, sizeof(iwstats)); | |
2454 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2455 | ||
2456 | if (update_jiffies >= HZ) | |
2457 | update_jiffies = round_jiffies_relative(update_jiffies); | |
2458 | else { | |
2459 | j = round_jiffies_relative(update_jiffies); | |
2460 | if (abs(j - update_jiffies) <= 10) | |
2461 | update_jiffies = j; | |
2462 | } | |
2463 | ||
2464 | queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies); | |
2465 | } | |
2466 | ||
2467 | ||
a19d7292 | 2468 | static int bcm4320_early_init(struct usbnet *usbdev) |
bf164cc0 | 2469 | { |
a19d7292 | 2470 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
bf164cc0 JK |
2471 | char buf[8]; |
2472 | ||
2473 | /* Early initialization settings, setting these won't have effect | |
2474 | * if called after generic_rndis_bind(). | |
2475 | */ | |
2476 | ||
2477 | priv->param_country[0] = modparam_country[0]; | |
2478 | priv->param_country[1] = modparam_country[1]; | |
2479 | priv->param_country[2] = 0; | |
2480 | priv->param_frameburst = modparam_frameburst; | |
2481 | priv->param_afterburner = modparam_afterburner; | |
2482 | priv->param_power_save = modparam_power_save; | |
2483 | priv->param_power_output = modparam_power_output; | |
2484 | priv->param_roamtrigger = modparam_roamtrigger; | |
2485 | priv->param_roamdelta = modparam_roamdelta; | |
bf164cc0 JK |
2486 | |
2487 | priv->param_country[0] = toupper(priv->param_country[0]); | |
2488 | priv->param_country[1] = toupper(priv->param_country[1]); | |
2489 | /* doesn't support EU as country code, use FI instead */ | |
2490 | if (!strcmp(priv->param_country, "EU")) | |
2491 | strcpy(priv->param_country, "FI"); | |
2492 | ||
2493 | if (priv->param_power_save < 0) | |
2494 | priv->param_power_save = 0; | |
2495 | else if (priv->param_power_save > 2) | |
2496 | priv->param_power_save = 2; | |
2497 | ||
a7624837 JK |
2498 | if (priv->param_power_output < 0) |
2499 | priv->param_power_output = 0; | |
2500 | else if (priv->param_power_output > 3) | |
2501 | priv->param_power_output = 3; | |
2502 | ||
bf164cc0 JK |
2503 | if (priv->param_roamtrigger < -80) |
2504 | priv->param_roamtrigger = -80; | |
2505 | else if (priv->param_roamtrigger > -60) | |
2506 | priv->param_roamtrigger = -60; | |
2507 | ||
2508 | if (priv->param_roamdelta < 0) | |
2509 | priv->param_roamdelta = 0; | |
2510 | else if (priv->param_roamdelta > 2) | |
2511 | priv->param_roamdelta = 2; | |
2512 | ||
4d381ffb | 2513 | if (modparam_workaround_interval < 0) |
bf164cc0 | 2514 | priv->param_workaround_interval = 500; |
4d381ffb RK |
2515 | else |
2516 | priv->param_workaround_interval = modparam_workaround_interval; | |
bf164cc0 | 2517 | |
a19d7292 JK |
2518 | rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
2519 | rndis_set_config_parameter_str(usbdev, "FrameBursting", | |
bf164cc0 | 2520 | priv->param_frameburst ? "1" : "0"); |
a19d7292 | 2521 | rndis_set_config_parameter_str(usbdev, "Afterburner", |
bf164cc0 JK |
2522 | priv->param_afterburner ? "1" : "0"); |
2523 | sprintf(buf, "%d", priv->param_power_save); | |
a19d7292 | 2524 | rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
bf164cc0 | 2525 | sprintf(buf, "%d", priv->param_power_output); |
a19d7292 | 2526 | rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
bf164cc0 | 2527 | sprintf(buf, "%d", priv->param_roamtrigger); |
a19d7292 | 2528 | rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
bf164cc0 | 2529 | sprintf(buf, "%d", priv->param_roamdelta); |
a19d7292 | 2530 | rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
bf164cc0 JK |
2531 | |
2532 | return 0; | |
2533 | } | |
2534 | ||
2535 | ||
a19d7292 | 2536 | static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2537 | { |
bf164cc0 JK |
2538 | struct rndis_wext_private *priv; |
2539 | int retval, len; | |
2540 | __le32 tmp; | |
2541 | ||
2542 | /* allocate rndis private data */ | |
bb8649d4 | 2543 | priv = kzalloc(sizeof(struct rndis_wext_private), GFP_KERNEL); |
bf164cc0 JK |
2544 | if (!priv) |
2545 | return -ENOMEM; | |
2546 | ||
2547 | /* These have to be initialized before calling generic_rndis_bind(). | |
2548 | * Otherwise we'll be in big trouble in rndis_wext_early_init(). | |
2549 | */ | |
a19d7292 | 2550 | usbdev->driver_priv = priv; |
bf164cc0 | 2551 | strcpy(priv->name, "IEEE802.11"); |
a19d7292 JK |
2552 | usbdev->net->wireless_handlers = &rndis_iw_handlers; |
2553 | priv->usbdev = usbdev; | |
bf164cc0 JK |
2554 | |
2555 | mutex_init(&priv->command_lock); | |
2556 | spin_lock_init(&priv->stats_lock); | |
2557 | ||
2558 | /* try bind rndis_host */ | |
a19d7292 | 2559 | retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
bf164cc0 JK |
2560 | if (retval < 0) |
2561 | goto fail; | |
2562 | ||
2563 | /* generic_rndis_bind set packet filter to multicast_all+ | |
2564 | * promisc mode which doesn't work well for our devices (device | |
2565 | * picks up rssi to closest station instead of to access point). | |
2566 | * | |
2567 | * rndis_host wants to avoid all OID as much as possible | |
2568 | * so do promisc/multicast handling in rndis_wext. | |
2569 | */ | |
a19d7292 | 2570 | usbdev->net->set_multicast_list = rndis_wext_set_multicast_list; |
bf164cc0 | 2571 | tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; |
a19d7292 | 2572 | retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp, |
bf164cc0 JK |
2573 | sizeof(tmp)); |
2574 | ||
2575 | len = sizeof(tmp); | |
a19d7292 JK |
2576 | retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, |
2577 | &len); | |
bf164cc0 JK |
2578 | priv->multicast_size = le32_to_cpu(tmp); |
2579 | if (retval < 0 || priv->multicast_size < 0) | |
2580 | priv->multicast_size = 0; | |
2581 | if (priv->multicast_size > 0) | |
a19d7292 | 2582 | usbdev->net->flags |= IFF_MULTICAST; |
bf164cc0 | 2583 | else |
a19d7292 | 2584 | usbdev->net->flags &= ~IFF_MULTICAST; |
bf164cc0 JK |
2585 | |
2586 | priv->iwstats.qual.qual = 0; | |
2587 | priv->iwstats.qual.level = 0; | |
2588 | priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED | |
2589 | | IW_QUAL_LEVEL_UPDATED | |
2590 | | IW_QUAL_NOISE_INVALID | |
2591 | | IW_QUAL_QUAL_INVALID | |
2592 | | IW_QUAL_LEVEL_INVALID; | |
2593 | ||
a19d7292 JK |
2594 | rndis_wext_get_caps(usbdev); |
2595 | set_default_iw_params(usbdev); | |
bf164cc0 JK |
2596 | |
2597 | /* turn radio on */ | |
2598 | priv->radio_on = 1; | |
a19d7292 JK |
2599 | disassociate(usbdev, 1); |
2600 | netif_carrier_off(usbdev->net); | |
bf164cc0 JK |
2601 | |
2602 | /* because rndis_command() sleeps we need to use workqueue */ | |
2603 | priv->workqueue = create_singlethread_workqueue("rndis_wlan"); | |
2604 | INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats); | |
2605 | queue_delayed_work(priv->workqueue, &priv->stats_work, | |
2606 | round_jiffies_relative(STATS_UPDATE_JIFFIES)); | |
2607 | INIT_WORK(&priv->work, rndis_wext_worker); | |
2608 | ||
2609 | return 0; | |
2610 | ||
2611 | fail: | |
2612 | kfree(priv); | |
2613 | return retval; | |
2614 | } | |
2615 | ||
2616 | ||
a19d7292 | 2617 | static void rndis_wext_unbind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2618 | { |
a19d7292 | 2619 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
bf164cc0 JK |
2620 | |
2621 | /* turn radio off */ | |
a19d7292 | 2622 | disassociate(usbdev, 0); |
bf164cc0 JK |
2623 | |
2624 | cancel_delayed_work_sync(&priv->stats_work); | |
2625 | cancel_work_sync(&priv->work); | |
2626 | flush_workqueue(priv->workqueue); | |
2627 | destroy_workqueue(priv->workqueue); | |
2628 | ||
2629 | if (priv && priv->wpa_ie_len) | |
2630 | kfree(priv->wpa_ie); | |
2631 | kfree(priv); | |
2632 | ||
a19d7292 | 2633 | rndis_unbind(usbdev, intf); |
bf164cc0 JK |
2634 | } |
2635 | ||
2636 | ||
a19d7292 | 2637 | static int rndis_wext_reset(struct usbnet *usbdev) |
bf164cc0 | 2638 | { |
a19d7292 | 2639 | return deauthenticate(usbdev); |
bf164cc0 JK |
2640 | } |
2641 | ||
2642 | ||
2643 | static const struct driver_info bcm4320b_info = { | |
2644 | .description = "Wireless RNDIS device, BCM4320b based", | |
2645 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, | |
2646 | .bind = rndis_wext_bind, | |
2647 | .unbind = rndis_wext_unbind, | |
2648 | .status = rndis_status, | |
2649 | .rx_fixup = rndis_rx_fixup, | |
2650 | .tx_fixup = rndis_tx_fixup, | |
2651 | .reset = rndis_wext_reset, | |
2652 | .early_init = bcm4320_early_init, | |
2653 | .link_change = rndis_wext_link_change, | |
2654 | }; | |
2655 | ||
2656 | static const struct driver_info bcm4320a_info = { | |
2657 | .description = "Wireless RNDIS device, BCM4320a based", | |
2658 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, | |
2659 | .bind = rndis_wext_bind, | |
2660 | .unbind = rndis_wext_unbind, | |
2661 | .status = rndis_status, | |
2662 | .rx_fixup = rndis_rx_fixup, | |
2663 | .tx_fixup = rndis_tx_fixup, | |
2664 | .reset = rndis_wext_reset, | |
2665 | .early_init = bcm4320_early_init, | |
2666 | .link_change = rndis_wext_link_change, | |
2667 | }; | |
2668 | ||
2669 | static const struct driver_info rndis_wext_info = { | |
2670 | .description = "Wireless RNDIS device", | |
2671 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, | |
2672 | .bind = rndis_wext_bind, | |
2673 | .unbind = rndis_wext_unbind, | |
2674 | .status = rndis_status, | |
2675 | .rx_fixup = rndis_rx_fixup, | |
2676 | .tx_fixup = rndis_tx_fixup, | |
2677 | .reset = rndis_wext_reset, | |
2678 | .early_init = bcm4320_early_init, | |
2679 | .link_change = rndis_wext_link_change, | |
2680 | }; | |
2681 | ||
2682 | /*-------------------------------------------------------------------------*/ | |
2683 | ||
2684 | static const struct usb_device_id products [] = { | |
2685 | #define RNDIS_MASTER_INTERFACE \ | |
2686 | .bInterfaceClass = USB_CLASS_COMM, \ | |
2687 | .bInterfaceSubClass = 2 /* ACM */, \ | |
2688 | .bInterfaceProtocol = 0x0ff | |
2689 | ||
2690 | /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom | |
2691 | * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki. | |
2692 | */ | |
2693 | { | |
2694 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2695 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2696 | .idVendor = 0x0411, | |
2697 | .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */ | |
2698 | RNDIS_MASTER_INTERFACE, | |
2699 | .driver_info = (unsigned long) &bcm4320b_info, | |
2700 | }, { | |
2701 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2702 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2703 | .idVendor = 0x0baf, | |
2704 | .idProduct = 0x011b, /* U.S. Robotics USR5421 */ | |
2705 | RNDIS_MASTER_INTERFACE, | |
2706 | .driver_info = (unsigned long) &bcm4320b_info, | |
2707 | }, { | |
2708 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2709 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2710 | .idVendor = 0x050d, | |
2711 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
2712 | RNDIS_MASTER_INTERFACE, | |
2713 | .driver_info = (unsigned long) &bcm4320b_info, | |
2714 | }, { | |
2715 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2716 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2717 | .idVendor = 0x1799, /* Belkin has two vendor ids */ | |
2718 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
2719 | RNDIS_MASTER_INTERFACE, | |
2720 | .driver_info = (unsigned long) &bcm4320b_info, | |
2721 | }, { | |
2722 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2723 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2724 | .idVendor = 0x13b1, | |
2725 | .idProduct = 0x0014, /* Linksys WUSB54GSv2 */ | |
2726 | RNDIS_MASTER_INTERFACE, | |
2727 | .driver_info = (unsigned long) &bcm4320b_info, | |
2728 | }, { | |
2729 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2730 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2731 | .idVendor = 0x13b1, | |
2732 | .idProduct = 0x0026, /* Linksys WUSB54GSC */ | |
2733 | RNDIS_MASTER_INTERFACE, | |
2734 | .driver_info = (unsigned long) &bcm4320b_info, | |
2735 | }, { | |
2736 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2737 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2738 | .idVendor = 0x0b05, | |
2739 | .idProduct = 0x1717, /* Asus WL169gE */ | |
2740 | RNDIS_MASTER_INTERFACE, | |
2741 | .driver_info = (unsigned long) &bcm4320b_info, | |
2742 | }, { | |
2743 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2744 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2745 | .idVendor = 0x0a5c, | |
2746 | .idProduct = 0xd11b, /* Eminent EM4045 */ | |
2747 | RNDIS_MASTER_INTERFACE, | |
2748 | .driver_info = (unsigned long) &bcm4320b_info, | |
2749 | }, { | |
2750 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2751 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2752 | .idVendor = 0x1690, | |
2753 | .idProduct = 0x0715, /* BT Voyager 1055 */ | |
2754 | RNDIS_MASTER_INTERFACE, | |
2755 | .driver_info = (unsigned long) &bcm4320b_info, | |
2756 | }, | |
2757 | /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom | |
2758 | * parameters available, hardware probably contain older firmware version with | |
2759 | * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki. | |
2760 | */ | |
2761 | { | |
2762 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2763 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2764 | .idVendor = 0x13b1, | |
2765 | .idProduct = 0x000e, /* Linksys WUSB54GSv1 */ | |
2766 | RNDIS_MASTER_INTERFACE, | |
2767 | .driver_info = (unsigned long) &bcm4320a_info, | |
2768 | }, { | |
2769 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2770 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2771 | .idVendor = 0x0baf, | |
2772 | .idProduct = 0x0111, /* U.S. Robotics USR5420 */ | |
2773 | RNDIS_MASTER_INTERFACE, | |
2774 | .driver_info = (unsigned long) &bcm4320a_info, | |
2775 | }, { | |
2776 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2777 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2778 | .idVendor = 0x0411, | |
2779 | .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */ | |
2780 | RNDIS_MASTER_INTERFACE, | |
2781 | .driver_info = (unsigned long) &bcm4320a_info, | |
2782 | }, | |
2783 | /* Generic Wireless RNDIS devices that we don't have exact | |
2784 | * idVendor/idProduct/chip yet. | |
2785 | */ | |
2786 | { | |
2787 | /* RNDIS is MSFT's un-official variant of CDC ACM */ | |
2788 | USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), | |
2789 | .driver_info = (unsigned long) &rndis_wext_info, | |
2790 | }, { | |
2791 | /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ | |
2792 | USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), | |
2793 | .driver_info = (unsigned long) &rndis_wext_info, | |
2794 | }, | |
2795 | { }, // END | |
2796 | }; | |
2797 | MODULE_DEVICE_TABLE(usb, products); | |
2798 | ||
2799 | static struct usb_driver rndis_wlan_driver = { | |
2800 | .name = "rndis_wlan", | |
2801 | .id_table = products, | |
2802 | .probe = usbnet_probe, | |
2803 | .disconnect = usbnet_disconnect, | |
2804 | .suspend = usbnet_suspend, | |
2805 | .resume = usbnet_resume, | |
2806 | }; | |
2807 | ||
2808 | static int __init rndis_wlan_init(void) | |
2809 | { | |
2810 | return usb_register(&rndis_wlan_driver); | |
2811 | } | |
2812 | module_init(rndis_wlan_init); | |
2813 | ||
2814 | static void __exit rndis_wlan_exit(void) | |
2815 | { | |
2816 | usb_deregister(&rndis_wlan_driver); | |
2817 | } | |
2818 | module_exit(rndis_wlan_exit); | |
2819 | ||
2820 | MODULE_AUTHOR("Bjorge Dijkstra"); | |
2821 | MODULE_AUTHOR("Jussi Kivilinna"); | |
2822 | MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); | |
2823 | MODULE_LICENSE("GPL"); | |
2824 |