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