Commit | Line | Data |
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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> | |
9656e85b | 5 | * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi> |
bf164cc0 JK |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * Portions of this file are based on NDISwrapper project, | |
22 | * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani | |
23 | * http://ndiswrapper.sourceforge.net/ | |
24 | */ | |
25 | ||
26 | // #define DEBUG // error path messages, extra info | |
27 | // #define VERBOSE // more; success messages | |
28 | ||
29 | #include <linux/module.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/netdevice.h> | |
32 | #include <linux/etherdevice.h> | |
33 | #include <linux/ethtool.h> | |
34 | #include <linux/workqueue.h> | |
35 | #include <linux/mutex.h> | |
36 | #include <linux/mii.h> | |
37 | #include <linux/usb.h> | |
38 | #include <linux/usb/cdc.h> | |
39 | #include <linux/wireless.h> | |
2c706002 | 40 | #include <linux/ieee80211.h> |
bf164cc0 JK |
41 | #include <linux/if_arp.h> |
42 | #include <linux/ctype.h> | |
43 | #include <linux/spinlock.h> | |
44 | #include <net/iw_handler.h> | |
5c8fa4f7 | 45 | #include <net/cfg80211.h> |
bf164cc0 JK |
46 | #include <linux/usb/usbnet.h> |
47 | #include <linux/usb/rndis_host.h> | |
48 | ||
49 | ||
50 | /* NOTE: All these are settings for Broadcom chipset */ | |
51 | static char modparam_country[4] = "EU"; | |
52 | module_param_string(country, modparam_country, 4, 0444); | |
53 | MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU"); | |
54 | ||
55 | static int modparam_frameburst = 1; | |
56 | module_param_named(frameburst, modparam_frameburst, int, 0444); | |
57 | MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)"); | |
58 | ||
59 | static int modparam_afterburner = 0; | |
60 | module_param_named(afterburner, modparam_afterburner, int, 0444); | |
61 | MODULE_PARM_DESC(afterburner, | |
62 | "enable afterburner aka '125 High Speed Mode' (default: off)"); | |
63 | ||
64 | static int modparam_power_save = 0; | |
65 | module_param_named(power_save, modparam_power_save, int, 0444); | |
66 | MODULE_PARM_DESC(power_save, | |
67 | "set power save mode: 0=off, 1=on, 2=fast (default: off)"); | |
68 | ||
69 | static int modparam_power_output = 3; | |
70 | module_param_named(power_output, modparam_power_output, int, 0444); | |
71 | MODULE_PARM_DESC(power_output, | |
72 | "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)"); | |
73 | ||
74 | static int modparam_roamtrigger = -70; | |
75 | module_param_named(roamtrigger, modparam_roamtrigger, int, 0444); | |
76 | MODULE_PARM_DESC(roamtrigger, | |
77 | "set roaming dBm trigger: -80=optimize for distance, " | |
78 | "-60=bandwidth (default: -70)"); | |
79 | ||
80 | static int modparam_roamdelta = 1; | |
81 | module_param_named(roamdelta, modparam_roamdelta, int, 0444); | |
82 | MODULE_PARM_DESC(roamdelta, | |
83 | "set roaming tendency: 0=aggressive, 1=moderate, " | |
84 | "2=conservative (default: moderate)"); | |
85 | ||
86 | static int modparam_workaround_interval = 500; | |
87 | module_param_named(workaround_interval, modparam_workaround_interval, | |
88 | int, 0444); | |
89 | MODULE_PARM_DESC(workaround_interval, | |
90 | "set stall workaround interval in msecs (default: 500)"); | |
91 | ||
92 | ||
93 | /* various RNDIS OID defs */ | |
35c26c2c HH |
94 | #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107) |
95 | #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b) | |
96 | ||
97 | #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101) | |
98 | #define OID_GEN_RCV_OK cpu_to_le32(0x00020102) | |
99 | #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103) | |
100 | #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104) | |
101 | #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105) | |
102 | ||
35c26c2c HH |
103 | #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102) |
104 | #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103) | |
105 | #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104) | |
106 | ||
107 | #define OID_802_11_BSSID cpu_to_le32(0x0d010101) | |
108 | #define OID_802_11_SSID cpu_to_le32(0x0d010102) | |
109 | #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108) | |
110 | #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113) | |
111 | #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114) | |
112 | #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115) | |
113 | #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118) | |
114 | #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119) | |
115 | #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a) | |
116 | #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b) | |
117 | #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d) | |
118 | #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e) | |
119 | #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f) | |
120 | #define OID_802_11_PMKID cpu_to_le32(0x0d010123) | |
121 | #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203) | |
122 | #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204) | |
123 | #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205) | |
124 | #define OID_802_11_RSSI cpu_to_le32(0x0d010206) | |
125 | #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207) | |
126 | #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209) | |
127 | #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a) | |
128 | #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e) | |
129 | #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211) | |
130 | #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217) | |
bf164cc0 JK |
131 | |
132 | ||
133 | /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */ | |
134 | #define WL_NOISE -96 /* typical noise level in dBm */ | |
135 | #define WL_SIGMAX -32 /* typical maximum signal level in dBm */ | |
136 | ||
137 | ||
138 | /* Assume that Broadcom 4320 (only chipset at time of writing known to be | |
139 | * based on wireless rndis) has default txpower of 13dBm. | |
140 | * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications. | |
222ec50a JK |
141 | * 100% : 20 mW ~ 13dBm |
142 | * 75% : 15 mW ~ 12dBm | |
143 | * 50% : 10 mW ~ 10dBm | |
144 | * 25% : 5 mW ~ 7dBm | |
bf164cc0 | 145 | */ |
222ec50a JK |
146 | #define BCM4320_DEFAULT_TXPOWER_DBM_100 13 |
147 | #define BCM4320_DEFAULT_TXPOWER_DBM_75 12 | |
148 | #define BCM4320_DEFAULT_TXPOWER_DBM_50 10 | |
149 | #define BCM4320_DEFAULT_TXPOWER_DBM_25 7 | |
bf164cc0 JK |
150 | |
151 | ||
152 | /* codes for "status" field of completion messages */ | |
35c26c2c HH |
153 | #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011) |
154 | #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012) | |
bf164cc0 JK |
155 | |
156 | ||
157 | /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c | |
158 | * slightly modified for datatype endianess, etc | |
159 | */ | |
160 | #define NDIS_802_11_LENGTH_SSID 32 | |
161 | #define NDIS_802_11_LENGTH_RATES 8 | |
162 | #define NDIS_802_11_LENGTH_RATES_EX 16 | |
163 | ||
1e41e1d2 | 164 | enum ndis_80211_net_type { |
aa18294a JK |
165 | NDIS_80211_TYPE_FREQ_HOP, |
166 | NDIS_80211_TYPE_DIRECT_SEQ, | |
167 | NDIS_80211_TYPE_OFDM_A, | |
168 | NDIS_80211_TYPE_OFDM_G | |
1e41e1d2 JK |
169 | }; |
170 | ||
171 | enum ndis_80211_net_infra { | |
aa18294a JK |
172 | NDIS_80211_INFRA_ADHOC, |
173 | NDIS_80211_INFRA_INFRA, | |
174 | NDIS_80211_INFRA_AUTO_UNKNOWN | |
1e41e1d2 JK |
175 | }; |
176 | ||
177 | enum ndis_80211_auth_mode { | |
aa18294a JK |
178 | NDIS_80211_AUTH_OPEN, |
179 | NDIS_80211_AUTH_SHARED, | |
180 | NDIS_80211_AUTH_AUTO_SWITCH, | |
181 | NDIS_80211_AUTH_WPA, | |
182 | NDIS_80211_AUTH_WPA_PSK, | |
183 | NDIS_80211_AUTH_WPA_NONE, | |
184 | NDIS_80211_AUTH_WPA2, | |
185 | NDIS_80211_AUTH_WPA2_PSK | |
1e41e1d2 JK |
186 | }; |
187 | ||
188 | enum ndis_80211_encr_status { | |
aa18294a JK |
189 | NDIS_80211_ENCR_WEP_ENABLED, |
190 | NDIS_80211_ENCR_DISABLED, | |
191 | NDIS_80211_ENCR_WEP_KEY_ABSENT, | |
192 | NDIS_80211_ENCR_NOT_SUPPORTED, | |
193 | NDIS_80211_ENCR_TKIP_ENABLED, | |
194 | NDIS_80211_ENCR_TKIP_KEY_ABSENT, | |
195 | NDIS_80211_ENCR_CCMP_ENABLED, | |
196 | NDIS_80211_ENCR_CCMP_KEY_ABSENT | |
1e41e1d2 JK |
197 | }; |
198 | ||
199 | enum ndis_80211_priv_filter { | |
aa18294a JK |
200 | NDIS_80211_PRIV_ACCEPT_ALL, |
201 | NDIS_80211_PRIV_8021X_WEP | |
1e41e1d2 JK |
202 | }; |
203 | ||
030645ac JK |
204 | enum ndis_80211_status_type { |
205 | NDIS_80211_STATUSTYPE_AUTHENTICATION, | |
206 | NDIS_80211_STATUSTYPE_MEDIASTREAMMODE, | |
207 | NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST, | |
208 | NDIS_80211_STATUSTYPE_RADIOSTATE, | |
209 | }; | |
210 | ||
211 | enum ndis_80211_media_stream_mode { | |
212 | NDIS_80211_MEDIA_STREAM_OFF, | |
213 | NDIS_80211_MEDIA_STREAM_ON | |
214 | }; | |
215 | ||
216 | enum ndis_80211_radio_status { | |
217 | NDIS_80211_RADIO_STATUS_ON, | |
218 | NDIS_80211_RADIO_STATUS_HARDWARE_OFF, | |
219 | NDIS_80211_RADIO_STATUS_SOFTWARE_OFF, | |
220 | }; | |
221 | ||
b4703a2e | 222 | enum ndis_80211_addkey_bits { |
aa18294a JK |
223 | NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28), |
224 | NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29), | |
225 | NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30), | |
226 | NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31) | |
b4703a2e JK |
227 | }; |
228 | ||
229 | enum ndis_80211_addwep_bits { | |
aa18294a JK |
230 | NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30), |
231 | NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31) | |
b4703a2e JK |
232 | }; |
233 | ||
030645ac JK |
234 | struct ndis_80211_auth_request { |
235 | __le32 length; | |
236 | u8 bssid[6]; | |
237 | u8 padding[2]; | |
238 | __le32 flags; | |
239 | } __attribute__((packed)); | |
240 | ||
241 | struct ndis_80211_pmkid_candidate { | |
242 | u8 bssid[6]; | |
243 | u8 padding[2]; | |
244 | __le32 flags; | |
245 | } __attribute__((packed)); | |
246 | ||
247 | struct ndis_80211_pmkid_cand_list { | |
248 | __le32 version; | |
249 | __le32 num_candidates; | |
250 | struct ndis_80211_pmkid_candidate candidate_list[0]; | |
251 | } __attribute__((packed)); | |
252 | ||
253 | struct ndis_80211_status_indication { | |
254 | __le32 status_type; | |
255 | union { | |
256 | enum ndis_80211_media_stream_mode media_stream_mode; | |
257 | enum ndis_80211_radio_status radio_status; | |
258 | struct ndis_80211_auth_request auth_request[0]; | |
259 | struct ndis_80211_pmkid_cand_list cand_list; | |
260 | } u; | |
261 | } __attribute__((packed)); | |
262 | ||
1e41e1d2 | 263 | struct ndis_80211_ssid { |
461b3f2a JK |
264 | __le32 length; |
265 | u8 essid[NDIS_802_11_LENGTH_SSID]; | |
bf164cc0 JK |
266 | } __attribute__((packed)); |
267 | ||
1e41e1d2 | 268 | struct ndis_80211_conf_freq_hop { |
461b3f2a JK |
269 | __le32 length; |
270 | __le32 hop_pattern; | |
271 | __le32 hop_set; | |
272 | __le32 dwell_time; | |
bf164cc0 JK |
273 | } __attribute__((packed)); |
274 | ||
1e41e1d2 | 275 | struct ndis_80211_conf { |
461b3f2a JK |
276 | __le32 length; |
277 | __le32 beacon_period; | |
278 | __le32 atim_window; | |
279 | __le32 ds_config; | |
280 | struct ndis_80211_conf_freq_hop fh_config; | |
bf164cc0 JK |
281 | } __attribute__((packed)); |
282 | ||
1e41e1d2 | 283 | struct ndis_80211_bssid_ex { |
461b3f2a JK |
284 | __le32 length; |
285 | u8 mac[6]; | |
286 | u8 padding[2]; | |
287 | struct ndis_80211_ssid ssid; | |
288 | __le32 privacy; | |
289 | __le32 rssi; | |
290 | __le32 net_type; | |
291 | struct ndis_80211_conf config; | |
292 | __le32 net_infra; | |
293 | u8 rates[NDIS_802_11_LENGTH_RATES_EX]; | |
294 | __le32 ie_length; | |
295 | u8 ies[0]; | |
bf164cc0 JK |
296 | } __attribute__((packed)); |
297 | ||
1e41e1d2 | 298 | struct ndis_80211_bssid_list_ex { |
461b3f2a JK |
299 | __le32 num_items; |
300 | struct ndis_80211_bssid_ex bssid[0]; | |
bf164cc0 JK |
301 | } __attribute__((packed)); |
302 | ||
1e41e1d2 | 303 | struct ndis_80211_fixed_ies { |
461b3f2a JK |
304 | u8 timestamp[8]; |
305 | __le16 beacon_interval; | |
306 | __le16 capabilities; | |
bf164cc0 JK |
307 | } __attribute__((packed)); |
308 | ||
1e41e1d2 | 309 | struct ndis_80211_wep_key { |
461b3f2a JK |
310 | __le32 size; |
311 | __le32 index; | |
312 | __le32 length; | |
313 | u8 material[32]; | |
bf164cc0 JK |
314 | } __attribute__((packed)); |
315 | ||
1e41e1d2 | 316 | struct ndis_80211_key { |
461b3f2a JK |
317 | __le32 size; |
318 | __le32 index; | |
319 | __le32 length; | |
320 | u8 bssid[6]; | |
321 | u8 padding[6]; | |
322 | u8 rsc[8]; | |
323 | u8 material[32]; | |
bf164cc0 JK |
324 | } __attribute__((packed)); |
325 | ||
1e41e1d2 | 326 | struct ndis_80211_remove_key { |
461b3f2a JK |
327 | __le32 size; |
328 | __le32 index; | |
329 | u8 bssid[6]; | |
9d40934e | 330 | u8 padding[2]; |
bf164cc0 JK |
331 | } __attribute__((packed)); |
332 | ||
1e41e1d2 | 333 | struct ndis_config_param { |
461b3f2a JK |
334 | __le32 name_offs; |
335 | __le32 name_length; | |
336 | __le32 type; | |
337 | __le32 value_offs; | |
338 | __le32 value_length; | |
bf164cc0 JK |
339 | } __attribute__((packed)); |
340 | ||
4364623c SA |
341 | struct ndis_80211_assoc_info { |
342 | __le32 length; | |
343 | __le16 req_ies; | |
344 | struct req_ie { | |
345 | __le16 capa; | |
346 | __le16 listen_interval; | |
347 | u8 cur_ap_address[6]; | |
348 | } req_ie; | |
349 | __le32 req_ie_length; | |
350 | __le32 offset_req_ies; | |
351 | __le16 resp_ies; | |
352 | struct resp_ie { | |
353 | __le16 capa; | |
354 | __le16 status_code; | |
355 | __le16 assoc_id; | |
356 | } resp_ie; | |
357 | __le32 resp_ie_length; | |
358 | __le32 offset_resp_ies; | |
359 | } __attribute__((packed)); | |
360 | ||
bf164cc0 | 361 | /* these have to match what is in wpa_supplicant */ |
5b0acc64 JB |
362 | enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP }; |
363 | enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, | |
364 | CIPHER_WEP104 }; | |
365 | enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE, | |
366 | KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE }; | |
bf164cc0 JK |
367 | |
368 | /* | |
369 | * private data | |
370 | */ | |
371 | #define NET_TYPE_11FB 0 | |
372 | ||
373 | #define CAP_MODE_80211A 1 | |
374 | #define CAP_MODE_80211B 2 | |
375 | #define CAP_MODE_80211G 4 | |
376 | #define CAP_MODE_MASK 7 | |
bf164cc0 | 377 | |
6010ce07 JK |
378 | #define WORK_LINK_UP (1<<0) |
379 | #define WORK_LINK_DOWN (1<<1) | |
380 | #define WORK_SET_MULTICAST_LIST (1<<2) | |
bf164cc0 | 381 | |
90d07349 JK |
382 | #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) |
383 | ||
5c8fa4f7 JL |
384 | static const struct ieee80211_channel rndis_channels[] = { |
385 | { .center_freq = 2412 }, | |
386 | { .center_freq = 2417 }, | |
387 | { .center_freq = 2422 }, | |
388 | { .center_freq = 2427 }, | |
389 | { .center_freq = 2432 }, | |
390 | { .center_freq = 2437 }, | |
391 | { .center_freq = 2442 }, | |
392 | { .center_freq = 2447 }, | |
393 | { .center_freq = 2452 }, | |
394 | { .center_freq = 2457 }, | |
395 | { .center_freq = 2462 }, | |
396 | { .center_freq = 2467 }, | |
397 | { .center_freq = 2472 }, | |
398 | { .center_freq = 2484 }, | |
399 | }; | |
400 | ||
401 | static const struct ieee80211_rate rndis_rates[] = { | |
402 | { .bitrate = 10 }, | |
403 | { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
404 | { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
405 | { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
406 | { .bitrate = 60 }, | |
407 | { .bitrate = 90 }, | |
408 | { .bitrate = 120 }, | |
409 | { .bitrate = 180 }, | |
410 | { .bitrate = 240 }, | |
411 | { .bitrate = 360 }, | |
412 | { .bitrate = 480 }, | |
413 | { .bitrate = 540 } | |
414 | }; | |
415 | ||
b7cfc5b3 JK |
416 | struct rndis_wlan_encr_key { |
417 | int len; | |
418 | int cipher; | |
419 | u8 material[32]; | |
420 | u8 bssid[ETH_ALEN]; | |
421 | bool pairwise; | |
422 | bool tx_key; | |
423 | }; | |
424 | ||
bf164cc0 | 425 | /* RNDIS device private data */ |
582241a0 | 426 | struct rndis_wlan_private { |
bf164cc0 JK |
427 | struct usbnet *usbdev; |
428 | ||
5c8fa4f7 JL |
429 | struct wireless_dev wdev; |
430 | ||
71a7b26d JK |
431 | struct cfg80211_scan_request *scan_request; |
432 | ||
bf164cc0 JK |
433 | struct workqueue_struct *workqueue; |
434 | struct delayed_work stats_work; | |
71a7b26d | 435 | struct delayed_work scan_work; |
bf164cc0 JK |
436 | struct work_struct work; |
437 | struct mutex command_lock; | |
438 | spinlock_t stats_lock; | |
439 | unsigned long work_pending; | |
440 | ||
5c8fa4f7 JL |
441 | struct ieee80211_supported_band band; |
442 | struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)]; | |
443 | struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)]; | |
444 | ||
bf164cc0 JK |
445 | struct iw_statistics iwstats; |
446 | struct iw_statistics privstats; | |
447 | ||
bf164cc0 JK |
448 | int caps; |
449 | int multicast_size; | |
450 | ||
451 | /* module parameters */ | |
452 | char param_country[4]; | |
453 | int param_frameburst; | |
454 | int param_afterburner; | |
455 | int param_power_save; | |
456 | int param_power_output; | |
457 | int param_roamtrigger; | |
458 | int param_roamdelta; | |
459 | u32 param_workaround_interval; | |
460 | ||
461 | /* hardware state */ | |
462 | int radio_on; | |
463 | int infra_mode; | |
1e41e1d2 | 464 | struct ndis_80211_ssid essid; |
bf164cc0 JK |
465 | |
466 | /* encryption stuff */ | |
467 | int encr_tx_key_index; | |
b7cfc5b3 | 468 | struct rndis_wlan_encr_key encr_keys[4]; |
bf164cc0 JK |
469 | int wpa_version; |
470 | int wpa_keymgmt; | |
471 | int wpa_authalg; | |
472 | int wpa_ie_len; | |
473 | u8 *wpa_ie; | |
474 | int wpa_cipher_pair; | |
475 | int wpa_cipher_group; | |
90d07349 JK |
476 | |
477 | u8 command_buffer[COMMAND_BUFFER_SIZE]; | |
bf164cc0 JK |
478 | }; |
479 | ||
964c1d41 JL |
480 | /* |
481 | * cfg80211 ops | |
482 | */ | |
e36d56b6 JB |
483 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
484 | struct net_device *dev, | |
964c1d41 JL |
485 | enum nl80211_iftype type, u32 *flags, |
486 | struct vif_params *params); | |
487 | ||
71a7b26d JK |
488 | static int rndis_scan(struct wiphy *wiphy, struct net_device *dev, |
489 | struct cfg80211_scan_request *request); | |
490 | ||
d75ec2b7 JK |
491 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed); |
492 | ||
222ec50a JK |
493 | static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type, |
494 | int dbm); | |
495 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm); | |
496 | ||
caa6dfad | 497 | static struct cfg80211_ops rndis_config_ops = { |
964c1d41 | 498 | .change_virtual_intf = rndis_change_virtual_intf, |
71a7b26d | 499 | .scan = rndis_scan, |
d75ec2b7 | 500 | .set_wiphy_params = rndis_set_wiphy_params, |
222ec50a JK |
501 | .set_tx_power = rndis_set_tx_power, |
502 | .get_tx_power = rndis_get_tx_power, | |
964c1d41 | 503 | }; |
bf164cc0 | 504 | |
caa6dfad | 505 | static void *rndis_wiphy_privid = &rndis_wiphy_privid; |
bf164cc0 | 506 | |
bf164cc0 JK |
507 | |
508 | static const unsigned char zero_bssid[ETH_ALEN] = {0,}; | |
509 | static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, | |
510 | 0xff, 0xff, 0xff }; | |
511 | ||
512 | ||
582241a0 | 513 | static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev) |
bf164cc0 | 514 | { |
582241a0 | 515 | return (struct rndis_wlan_private *)dev->driver_priv; |
bf164cc0 JK |
516 | } |
517 | ||
518 | ||
222ec50a | 519 | static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv) |
bf164cc0 | 520 | { |
222ec50a JK |
521 | switch (priv->param_power_output) { |
522 | default: | |
523 | case 3: | |
524 | return BCM4320_DEFAULT_TXPOWER_DBM_100; | |
525 | case 2: | |
526 | return BCM4320_DEFAULT_TXPOWER_DBM_75; | |
527 | case 1: | |
528 | return BCM4320_DEFAULT_TXPOWER_DBM_50; | |
529 | case 0: | |
530 | return BCM4320_DEFAULT_TXPOWER_DBM_25; | |
531 | } | |
bf164cc0 JK |
532 | } |
533 | ||
534 | ||
b7cfc5b3 JK |
535 | static bool is_wpa_key(struct rndis_wlan_private *priv, int idx) |
536 | { | |
537 | int cipher = priv->encr_keys[idx].cipher; | |
538 | ||
539 | return (cipher == WLAN_CIPHER_SUITE_CCMP || | |
540 | cipher == WLAN_CIPHER_SUITE_TKIP); | |
541 | } | |
542 | ||
543 | ||
27b7b5c1 JK |
544 | #ifdef DEBUG |
545 | static const char *oid_to_string(__le32 oid) | |
546 | { | |
547 | switch (oid) { | |
548 | #define OID_STR(oid) case oid: return(#oid) | |
549 | /* from rndis_host.h */ | |
550 | OID_STR(OID_802_3_PERMANENT_ADDRESS); | |
551 | OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE); | |
552 | OID_STR(OID_GEN_CURRENT_PACKET_FILTER); | |
553 | OID_STR(OID_GEN_PHYSICAL_MEDIUM); | |
554 | ||
555 | /* from rndis_wlan.c */ | |
556 | OID_STR(OID_GEN_LINK_SPEED); | |
557 | OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER); | |
558 | ||
559 | OID_STR(OID_GEN_XMIT_OK); | |
560 | OID_STR(OID_GEN_RCV_OK); | |
561 | OID_STR(OID_GEN_XMIT_ERROR); | |
562 | OID_STR(OID_GEN_RCV_ERROR); | |
563 | OID_STR(OID_GEN_RCV_NO_BUFFER); | |
564 | ||
565 | OID_STR(OID_802_3_CURRENT_ADDRESS); | |
566 | OID_STR(OID_802_3_MULTICAST_LIST); | |
567 | OID_STR(OID_802_3_MAXIMUM_LIST_SIZE); | |
568 | ||
569 | OID_STR(OID_802_11_BSSID); | |
570 | OID_STR(OID_802_11_SSID); | |
571 | OID_STR(OID_802_11_INFRASTRUCTURE_MODE); | |
572 | OID_STR(OID_802_11_ADD_WEP); | |
573 | OID_STR(OID_802_11_REMOVE_WEP); | |
574 | OID_STR(OID_802_11_DISASSOCIATE); | |
575 | OID_STR(OID_802_11_AUTHENTICATION_MODE); | |
576 | OID_STR(OID_802_11_PRIVACY_FILTER); | |
577 | OID_STR(OID_802_11_BSSID_LIST_SCAN); | |
578 | OID_STR(OID_802_11_ENCRYPTION_STATUS); | |
579 | OID_STR(OID_802_11_ADD_KEY); | |
580 | OID_STR(OID_802_11_REMOVE_KEY); | |
581 | OID_STR(OID_802_11_ASSOCIATION_INFORMATION); | |
582 | OID_STR(OID_802_11_PMKID); | |
583 | OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED); | |
584 | OID_STR(OID_802_11_NETWORK_TYPE_IN_USE); | |
585 | OID_STR(OID_802_11_TX_POWER_LEVEL); | |
586 | OID_STR(OID_802_11_RSSI); | |
587 | OID_STR(OID_802_11_RSSI_TRIGGER); | |
588 | OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD); | |
589 | OID_STR(OID_802_11_RTS_THRESHOLD); | |
590 | OID_STR(OID_802_11_SUPPORTED_RATES); | |
591 | OID_STR(OID_802_11_CONFIGURATION); | |
592 | OID_STR(OID_802_11_BSSID_LIST); | |
593 | #undef OID_STR | |
594 | } | |
595 | ||
596 | return "?"; | |
597 | } | |
598 | #else | |
599 | static const char *oid_to_string(__le32 oid) | |
600 | { | |
601 | return "?"; | |
602 | } | |
603 | #endif | |
604 | ||
605 | ||
bf164cc0 JK |
606 | /* translate error code */ |
607 | static int rndis_error_status(__le32 rndis_status) | |
608 | { | |
609 | int ret = -EINVAL; | |
610 | switch (rndis_status) { | |
611 | case RNDIS_STATUS_SUCCESS: | |
612 | ret = 0; | |
613 | break; | |
614 | case RNDIS_STATUS_FAILURE: | |
615 | case RNDIS_STATUS_INVALID_DATA: | |
616 | ret = -EINVAL; | |
617 | break; | |
618 | case RNDIS_STATUS_NOT_SUPPORTED: | |
619 | ret = -EOPNOTSUPP; | |
620 | break; | |
621 | case RNDIS_STATUS_ADAPTER_NOT_READY: | |
622 | case RNDIS_STATUS_ADAPTER_NOT_OPEN: | |
623 | ret = -EBUSY; | |
624 | break; | |
625 | } | |
626 | return ret; | |
627 | } | |
628 | ||
629 | ||
630 | static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len) | |
631 | { | |
582241a0 | 632 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
633 | union { |
634 | void *buf; | |
635 | struct rndis_msg_hdr *header; | |
636 | struct rndis_query *get; | |
637 | struct rndis_query_c *get_c; | |
638 | } u; | |
639 | int ret, buflen; | |
640 | ||
641 | buflen = *len + sizeof(*u.get); | |
642 | if (buflen < CONTROL_BUFFER_SIZE) | |
643 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
644 | |
645 | if (buflen > COMMAND_BUFFER_SIZE) { | |
646 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
647 | if (!u.buf) | |
648 | return -ENOMEM; | |
649 | } else { | |
650 | u.buf = priv->command_buffer; | |
651 | } | |
652 | ||
653 | mutex_lock(&priv->command_lock); | |
654 | ||
bf164cc0 JK |
655 | memset(u.get, 0, sizeof *u.get); |
656 | u.get->msg_type = RNDIS_MSG_QUERY; | |
35c26c2c | 657 | u.get->msg_len = cpu_to_le32(sizeof *u.get); |
bf164cc0 JK |
658 | u.get->oid = oid; |
659 | ||
818727ba | 660 | ret = rndis_command(dev, u.header, buflen); |
27b7b5c1 JK |
661 | if (ret < 0) |
662 | devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d " | |
663 | "(%08x)", oid_to_string(oid), ret, | |
664 | le32_to_cpu(u.get_c->status)); | |
665 | ||
bf164cc0 JK |
666 | if (ret == 0) { |
667 | ret = le32_to_cpu(u.get_c->len); | |
668 | *len = (*len > ret) ? ret : *len; | |
669 | memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len); | |
670 | ret = rndis_error_status(u.get_c->status); | |
27b7b5c1 JK |
671 | |
672 | if (ret < 0) | |
673 | devdbg(dev, "rndis_query_oid(%s): device returned " | |
674 | "error, 0x%08x (%d)", oid_to_string(oid), | |
675 | le32_to_cpu(u.get_c->status), ret); | |
bf164cc0 JK |
676 | } |
677 | ||
90d07349 JK |
678 | mutex_unlock(&priv->command_lock); |
679 | ||
680 | if (u.buf != priv->command_buffer) | |
681 | kfree(u.buf); | |
bf164cc0 JK |
682 | return ret; |
683 | } | |
684 | ||
685 | ||
686 | static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len) | |
687 | { | |
582241a0 | 688 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
689 | union { |
690 | void *buf; | |
691 | struct rndis_msg_hdr *header; | |
692 | struct rndis_set *set; | |
693 | struct rndis_set_c *set_c; | |
694 | } u; | |
695 | int ret, buflen; | |
696 | ||
697 | buflen = len + sizeof(*u.set); | |
698 | if (buflen < CONTROL_BUFFER_SIZE) | |
699 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
700 | |
701 | if (buflen > COMMAND_BUFFER_SIZE) { | |
702 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
703 | if (!u.buf) | |
704 | return -ENOMEM; | |
705 | } else { | |
706 | u.buf = priv->command_buffer; | |
707 | } | |
708 | ||
709 | mutex_lock(&priv->command_lock); | |
bf164cc0 JK |
710 | |
711 | memset(u.set, 0, sizeof *u.set); | |
712 | u.set->msg_type = RNDIS_MSG_SET; | |
713 | u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); | |
714 | u.set->oid = oid; | |
715 | u.set->len = cpu_to_le32(len); | |
35c26c2c HH |
716 | u.set->offset = cpu_to_le32(sizeof(*u.set) - 8); |
717 | u.set->handle = cpu_to_le32(0); | |
bf164cc0 JK |
718 | memcpy(u.buf + sizeof(*u.set), data, len); |
719 | ||
818727ba | 720 | ret = rndis_command(dev, u.header, buflen); |
27b7b5c1 JK |
721 | if (ret < 0) |
722 | devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d " | |
723 | "(%08x)", oid_to_string(oid), ret, | |
724 | le32_to_cpu(u.set_c->status)); | |
725 | ||
726 | if (ret == 0) { | |
bf164cc0 JK |
727 | ret = rndis_error_status(u.set_c->status); |
728 | ||
27b7b5c1 JK |
729 | if (ret < 0) |
730 | devdbg(dev, "rndis_set_oid(%s): device returned error, " | |
731 | "0x%08x (%d)", oid_to_string(oid), | |
732 | le32_to_cpu(u.set_c->status), ret); | |
733 | } | |
734 | ||
90d07349 JK |
735 | mutex_unlock(&priv->command_lock); |
736 | ||
737 | if (u.buf != priv->command_buffer) | |
738 | kfree(u.buf); | |
bf164cc0 JK |
739 | return ret; |
740 | } | |
741 | ||
742 | ||
7eaab708 JK |
743 | static int rndis_reset(struct usbnet *usbdev) |
744 | { | |
745 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
746 | struct rndis_reset *reset; | |
747 | int ret; | |
748 | ||
749 | mutex_lock(&priv->command_lock); | |
750 | ||
751 | reset = (void *)priv->command_buffer; | |
752 | memset(reset, 0, sizeof(*reset)); | |
753 | reset->msg_type = RNDIS_MSG_RESET; | |
754 | reset->msg_len = cpu_to_le32(sizeof(*reset)); | |
755 | ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE); | |
756 | ||
757 | mutex_unlock(&priv->command_lock); | |
758 | ||
759 | if (ret < 0) | |
760 | return ret; | |
761 | return 0; | |
762 | } | |
763 | ||
764 | ||
bf164cc0 JK |
765 | /* |
766 | * Specs say that we can only set config parameters only soon after device | |
767 | * initialization. | |
768 | * value_type: 0 = u32, 2 = unicode string | |
769 | */ | |
770 | static int rndis_set_config_parameter(struct usbnet *dev, char *param, | |
771 | int value_type, void *value) | |
772 | { | |
1e41e1d2 | 773 | struct ndis_config_param *infobuf; |
bf164cc0 JK |
774 | int value_len, info_len, param_len, ret, i; |
775 | __le16 *unibuf; | |
776 | __le32 *dst_value; | |
777 | ||
778 | if (value_type == 0) | |
779 | value_len = sizeof(__le32); | |
780 | else if (value_type == 2) | |
781 | value_len = strlen(value) * sizeof(__le16); | |
782 | else | |
783 | return -EINVAL; | |
784 | ||
785 | param_len = strlen(param) * sizeof(__le16); | |
786 | info_len = sizeof(*infobuf) + param_len + value_len; | |
787 | ||
788 | #ifdef DEBUG | |
789 | info_len += 12; | |
790 | #endif | |
791 | infobuf = kmalloc(info_len, GFP_KERNEL); | |
792 | if (!infobuf) | |
793 | return -ENOMEM; | |
794 | ||
795 | #ifdef DEBUG | |
796 | info_len -= 12; | |
797 | /* extra 12 bytes are for padding (debug output) */ | |
798 | memset(infobuf, 0xCC, info_len + 12); | |
799 | #endif | |
800 | ||
801 | if (value_type == 2) | |
802 | devdbg(dev, "setting config parameter: %s, value: %s", | |
803 | param, (u8 *)value); | |
804 | else | |
805 | devdbg(dev, "setting config parameter: %s, value: %d", | |
806 | param, *(u32 *)value); | |
807 | ||
461b3f2a JK |
808 | infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); |
809 | infobuf->name_length = cpu_to_le32(param_len); | |
810 | infobuf->type = cpu_to_le32(value_type); | |
811 | infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); | |
812 | infobuf->value_length = cpu_to_le32(value_len); | |
bf164cc0 JK |
813 | |
814 | /* simple string to unicode string conversion */ | |
815 | unibuf = (void *)infobuf + sizeof(*infobuf); | |
816 | for (i = 0; i < param_len / sizeof(__le16); i++) | |
817 | unibuf[i] = cpu_to_le16(param[i]); | |
818 | ||
819 | if (value_type == 2) { | |
820 | unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; | |
821 | for (i = 0; i < value_len / sizeof(__le16); i++) | |
822 | unibuf[i] = cpu_to_le16(((u8 *)value)[i]); | |
823 | } else { | |
824 | dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; | |
825 | *dst_value = cpu_to_le32(*(u32 *)value); | |
826 | } | |
827 | ||
828 | #ifdef DEBUG | |
829 | devdbg(dev, "info buffer (len: %d):", info_len); | |
830 | for (i = 0; i < info_len; i += 12) { | |
831 | u32 *tmp = (u32 *)((u8 *)infobuf + i); | |
832 | devdbg(dev, "%08X:%08X:%08X", | |
833 | cpu_to_be32(tmp[0]), | |
834 | cpu_to_be32(tmp[1]), | |
835 | cpu_to_be32(tmp[2])); | |
836 | } | |
837 | #endif | |
838 | ||
839 | ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER, | |
840 | infobuf, info_len); | |
841 | if (ret != 0) | |
6d60f9df | 842 | devdbg(dev, "setting rndis config parameter failed, %d.", ret); |
bf164cc0 JK |
843 | |
844 | kfree(infobuf); | |
845 | return ret; | |
846 | } | |
847 | ||
848 | static int rndis_set_config_parameter_str(struct usbnet *dev, | |
849 | char *param, char *value) | |
850 | { | |
851 | return(rndis_set_config_parameter(dev, param, 2, value)); | |
852 | } | |
853 | ||
854 | /*static int rndis_set_config_parameter_u32(struct usbnet *dev, | |
855 | char *param, u32 value) | |
856 | { | |
857 | return(rndis_set_config_parameter(dev, param, 0, &value)); | |
858 | }*/ | |
859 | ||
860 | ||
861 | /* | |
862 | * data conversion functions | |
863 | */ | |
864 | static int level_to_qual(int level) | |
865 | { | |
866 | int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); | |
867 | return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; | |
868 | } | |
869 | ||
870 | ||
871 | static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq) | |
872 | { | |
873 | freq->e = 0; | |
874 | freq->i = 0; | |
875 | freq->flags = 0; | |
876 | ||
877 | /* see comment in wireless.h above the "struct iw_freq" | |
878 | * definition for an explanation of this if | |
879 | * NOTE: 1000000 is due to the kHz | |
880 | */ | |
881 | if (dsconfig > 1000000) { | |
882 | freq->m = dsconfig / 10; | |
883 | freq->e = 1; | |
884 | } else | |
885 | freq->m = dsconfig; | |
886 | ||
887 | /* convert from kHz to Hz */ | |
888 | freq->e += 3; | |
889 | } | |
890 | ||
891 | ||
892 | static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig) | |
893 | { | |
894 | if (freq->m < 1000 && freq->e == 0) { | |
9ee677c2 DK |
895 | if (freq->m >= 1 && freq->m <= 14) |
896 | *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000; | |
bf164cc0 JK |
897 | else |
898 | return -1; | |
899 | } else { | |
900 | int i; | |
901 | *dsconfig = freq->m; | |
902 | for (i = freq->e; i > 0; i--) | |
903 | *dsconfig *= 10; | |
904 | *dsconfig /= 1000; | |
905 | } | |
906 | ||
907 | return 0; | |
908 | } | |
909 | ||
910 | ||
911 | /* | |
912 | * common functions | |
913 | */ | |
b7cfc5b3 | 914 | static void restore_keys(struct usbnet *usbdev); |
bf164cc0 | 915 | |
1e41e1d2 | 916 | static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 JK |
917 | { |
918 | int ret, len; | |
919 | ||
920 | len = sizeof(*ssid); | |
921 | ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len); | |
922 | ||
923 | if (ret != 0) | |
461b3f2a | 924 | ssid->length = 0; |
bf164cc0 JK |
925 | |
926 | #ifdef DEBUG | |
927 | { | |
928 | unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1]; | |
929 | ||
461b3f2a JK |
930 | memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length)); |
931 | tmp[le32_to_cpu(ssid->length)] = 0; | |
bf164cc0 JK |
932 | devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret); |
933 | } | |
934 | #endif | |
935 | return ret; | |
936 | } | |
937 | ||
938 | ||
1e41e1d2 | 939 | static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 | 940 | { |
582241a0 | 941 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
942 | int ret; |
943 | ||
944 | ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid)); | |
945 | if (ret == 0) { | |
946 | memcpy(&priv->essid, ssid, sizeof(priv->essid)); | |
947 | priv->radio_on = 1; | |
948 | devdbg(usbdev, "set_essid: radio_on = 1"); | |
949 | } | |
950 | ||
951 | return ret; | |
952 | } | |
953 | ||
954 | ||
955 | static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) | |
956 | { | |
957 | int ret, len; | |
958 | ||
959 | len = ETH_ALEN; | |
960 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len); | |
961 | ||
962 | if (ret != 0) | |
963 | memset(bssid, 0, ETH_ALEN); | |
964 | ||
965 | return ret; | |
966 | } | |
967 | ||
4364623c SA |
968 | static int get_association_info(struct usbnet *usbdev, |
969 | struct ndis_80211_assoc_info *info, int len) | |
970 | { | |
971 | return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, | |
972 | info, &len); | |
973 | } | |
bf164cc0 JK |
974 | |
975 | static int is_associated(struct usbnet *usbdev) | |
976 | { | |
977 | u8 bssid[ETH_ALEN]; | |
978 | int ret; | |
979 | ||
980 | ret = get_bssid(usbdev, bssid); | |
981 | ||
982 | return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0); | |
983 | } | |
984 | ||
985 | ||
986 | static int disassociate(struct usbnet *usbdev, int reset_ssid) | |
987 | { | |
582241a0 | 988 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 989 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
990 | int i, ret = 0; |
991 | ||
992 | if (priv->radio_on) { | |
993 | ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0); | |
994 | if (ret == 0) { | |
995 | priv->radio_on = 0; | |
996 | devdbg(usbdev, "disassociate: radio_on = 0"); | |
997 | ||
998 | if (reset_ssid) | |
999 | msleep(100); | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | /* disassociate causes radio to be turned off; if reset_ssid | |
1004 | * is given, set random ssid to enable radio */ | |
1005 | if (reset_ssid) { | |
461b3f2a JK |
1006 | ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
1007 | get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); | |
1008 | ssid.essid[0] = 0x1; | |
1009 | ssid.essid[1] = 0xff; | |
1010 | for (i = 2; i < sizeof(ssid.essid); i++) | |
1011 | ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); | |
bf164cc0 JK |
1012 | ret = set_essid(usbdev, &ssid); |
1013 | } | |
1014 | return ret; | |
1015 | } | |
1016 | ||
1017 | ||
1018 | static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg) | |
1019 | { | |
582241a0 | 1020 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1021 | __le32 tmp; |
1022 | int auth_mode, ret; | |
1023 | ||
1024 | devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x " | |
1025 | "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt); | |
1026 | ||
1027 | if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) { | |
1028 | if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X) | |
aa18294a | 1029 | auth_mode = NDIS_80211_AUTH_WPA2; |
bf164cc0 | 1030 | else |
aa18294a | 1031 | auth_mode = NDIS_80211_AUTH_WPA2_PSK; |
bf164cc0 JK |
1032 | } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) { |
1033 | if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X) | |
aa18294a | 1034 | auth_mode = NDIS_80211_AUTH_WPA; |
bf164cc0 | 1035 | else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK) |
aa18294a | 1036 | auth_mode = NDIS_80211_AUTH_WPA_PSK; |
bf164cc0 | 1037 | else |
aa18294a | 1038 | auth_mode = NDIS_80211_AUTH_WPA_NONE; |
bf164cc0 JK |
1039 | } else if (authalg & IW_AUTH_ALG_SHARED_KEY) { |
1040 | if (authalg & IW_AUTH_ALG_OPEN_SYSTEM) | |
aa18294a | 1041 | auth_mode = NDIS_80211_AUTH_AUTO_SWITCH; |
bf164cc0 | 1042 | else |
aa18294a | 1043 | auth_mode = NDIS_80211_AUTH_SHARED; |
bf164cc0 | 1044 | } else |
aa18294a | 1045 | auth_mode = NDIS_80211_AUTH_OPEN; |
bf164cc0 JK |
1046 | |
1047 | tmp = cpu_to_le32(auth_mode); | |
1048 | ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, | |
1049 | sizeof(tmp)); | |
1050 | if (ret != 0) { | |
1051 | devwarn(usbdev, "setting auth mode failed (%08X)", ret); | |
1052 | return ret; | |
1053 | } | |
1054 | ||
1055 | priv->wpa_version = wpa_version; | |
1056 | priv->wpa_authalg = authalg; | |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | ||
1061 | static int set_priv_filter(struct usbnet *usbdev) | |
1062 | { | |
582241a0 | 1063 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1064 | __le32 tmp; |
1065 | ||
1066 | devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version); | |
1067 | ||
1068 | if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 || | |
1069 | priv->wpa_version & IW_AUTH_WPA_VERSION_WPA) | |
aa18294a | 1070 | tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP); |
bf164cc0 | 1071 | else |
aa18294a | 1072 | tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL); |
bf164cc0 JK |
1073 | |
1074 | return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp, | |
1075 | sizeof(tmp)); | |
1076 | } | |
1077 | ||
1078 | ||
1079 | static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) | |
1080 | { | |
582241a0 | 1081 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1082 | __le32 tmp; |
1083 | int encr_mode, ret; | |
1084 | ||
1085 | devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x", | |
1086 | pairwise, | |
1087 | groupwise); | |
1088 | ||
1089 | if (pairwise & IW_AUTH_CIPHER_CCMP) | |
aa18294a | 1090 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
bf164cc0 | 1091 | else if (pairwise & IW_AUTH_CIPHER_TKIP) |
aa18294a | 1092 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
bf164cc0 JK |
1093 | else if (pairwise & |
1094 | (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104)) | |
aa18294a | 1095 | encr_mode = NDIS_80211_ENCR_WEP_ENABLED; |
bf164cc0 | 1096 | else if (groupwise & IW_AUTH_CIPHER_CCMP) |
aa18294a | 1097 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
bf164cc0 | 1098 | else if (groupwise & IW_AUTH_CIPHER_TKIP) |
aa18294a | 1099 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
bf164cc0 | 1100 | else |
aa18294a | 1101 | encr_mode = NDIS_80211_ENCR_DISABLED; |
bf164cc0 JK |
1102 | |
1103 | tmp = cpu_to_le32(encr_mode); | |
1104 | ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, | |
1105 | sizeof(tmp)); | |
1106 | if (ret != 0) { | |
1107 | devwarn(usbdev, "setting encr mode failed (%08X)", ret); | |
1108 | return ret; | |
1109 | } | |
1110 | ||
1111 | priv->wpa_cipher_pair = pairwise; | |
1112 | priv->wpa_cipher_group = groupwise; | |
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | ||
1117 | static int set_assoc_params(struct usbnet *usbdev) | |
1118 | { | |
582241a0 | 1119 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1120 | |
1121 | set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg); | |
1122 | set_priv_filter(usbdev); | |
1123 | set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group); | |
1124 | ||
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | ||
1129 | static int set_infra_mode(struct usbnet *usbdev, int mode) | |
1130 | { | |
582241a0 | 1131 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 1132 | __le32 tmp; |
b7cfc5b3 | 1133 | int ret; |
bf164cc0 JK |
1134 | |
1135 | devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode); | |
1136 | ||
1137 | tmp = cpu_to_le32(mode); | |
1138 | ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, | |
1139 | sizeof(tmp)); | |
1140 | if (ret != 0) { | |
1141 | devwarn(usbdev, "setting infra mode failed (%08X)", ret); | |
1142 | return ret; | |
1143 | } | |
1144 | ||
1145 | /* NDIS drivers clear keys when infrastructure mode is | |
1146 | * changed. But Linux tools assume otherwise. So set the | |
1147 | * keys */ | |
b7cfc5b3 | 1148 | restore_keys(usbdev); |
bf164cc0 JK |
1149 | |
1150 | priv->infra_mode = mode; | |
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | ||
d75ec2b7 JK |
1155 | static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) |
1156 | { | |
1157 | __le32 tmp; | |
1158 | ||
1159 | devdbg(usbdev, "set_rts_threshold %i", rts_threshold); | |
1160 | ||
1161 | if (rts_threshold < 0 || rts_threshold > 2347) | |
1162 | rts_threshold = 2347; | |
1163 | ||
1164 | tmp = cpu_to_le32(rts_threshold); | |
1165 | return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, | |
1166 | sizeof(tmp)); | |
1167 | } | |
1168 | ||
1169 | ||
1170 | static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold) | |
1171 | { | |
1172 | __le32 tmp; | |
1173 | ||
1174 | devdbg(usbdev, "set_frag_threshold %i", frag_threshold); | |
1175 | ||
1176 | if (frag_threshold < 256 || frag_threshold > 2346) | |
1177 | frag_threshold = 2346; | |
1178 | ||
1179 | tmp = cpu_to_le32(frag_threshold); | |
1180 | return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, | |
1181 | sizeof(tmp)); | |
1182 | } | |
1183 | ||
1184 | ||
bf164cc0 JK |
1185 | static void set_default_iw_params(struct usbnet *usbdev) |
1186 | { | |
582241a0 | 1187 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1188 | |
1189 | priv->wpa_keymgmt = 0; | |
1190 | priv->wpa_version = 0; | |
1191 | ||
aa18294a | 1192 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); |
bf164cc0 JK |
1193 | set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, |
1194 | IW_AUTH_ALG_OPEN_SYSTEM); | |
1195 | set_priv_filter(usbdev); | |
1196 | set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE); | |
1197 | } | |
1198 | ||
1199 | ||
1200 | static int deauthenticate(struct usbnet *usbdev) | |
1201 | { | |
1202 | int ret; | |
1203 | ||
1204 | ret = disassociate(usbdev, 1); | |
1205 | set_default_iw_params(usbdev); | |
1206 | return ret; | |
1207 | } | |
1208 | ||
1209 | ||
1210 | /* index must be 0 - N, as per NDIS */ | |
1211 | static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index) | |
1212 | { | |
582241a0 | 1213 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1214 | struct ndis_80211_wep_key ndis_key; |
b7cfc5b3 | 1215 | int cipher, ret; |
bf164cc0 | 1216 | |
b7cfc5b3 | 1217 | if ((key_len != 5 || key_len != 13) || index < 0 || index > 3) |
bf164cc0 JK |
1218 | return -EINVAL; |
1219 | ||
b7cfc5b3 JK |
1220 | if (key_len == 5) |
1221 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
1222 | else | |
1223 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
1224 | ||
bf164cc0 JK |
1225 | memset(&ndis_key, 0, sizeof(ndis_key)); |
1226 | ||
461b3f2a JK |
1227 | ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
1228 | ndis_key.length = cpu_to_le32(key_len); | |
1229 | ndis_key.index = cpu_to_le32(index); | |
1230 | memcpy(&ndis_key.material, key, key_len); | |
bf164cc0 JK |
1231 | |
1232 | if (index == priv->encr_tx_key_index) { | |
aa18294a | 1233 | ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY; |
bf164cc0 JK |
1234 | ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104, |
1235 | IW_AUTH_CIPHER_NONE); | |
1236 | if (ret) | |
1237 | devwarn(usbdev, "encryption couldn't be enabled (%08X)", | |
1238 | ret); | |
1239 | } | |
1240 | ||
1241 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key, | |
1242 | sizeof(ndis_key)); | |
1243 | if (ret != 0) { | |
1244 | devwarn(usbdev, "adding encryption key %d failed (%08X)", | |
1245 | index+1, ret); | |
1246 | return ret; | |
1247 | } | |
1248 | ||
b7cfc5b3 JK |
1249 | priv->encr_keys[index].len = key_len; |
1250 | priv->encr_keys[index].cipher = cipher; | |
1251 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1252 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
bf164cc0 JK |
1253 | |
1254 | return 0; | |
1255 | } | |
1256 | ||
1257 | ||
b145ee0c | 1258 | static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len, |
b7cfc5b3 JK |
1259 | int index, const u8 *addr, const u8 *rx_seq, int cipher, |
1260 | int flags) | |
b145ee0c | 1261 | { |
582241a0 | 1262 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
b145ee0c | 1263 | struct ndis_80211_key ndis_key; |
b7cfc5b3 | 1264 | bool is_addr_ok; |
b145ee0c JK |
1265 | int ret; |
1266 | ||
b7cfc5b3 JK |
1267 | if (index < 0 || index >= 4) { |
1268 | devdbg(usbdev, "add_wpa_key: index out of range (%i)", index); | |
b145ee0c | 1269 | return -EINVAL; |
b7cfc5b3 JK |
1270 | } |
1271 | if (key_len > sizeof(ndis_key.material) || key_len < 0) { | |
1272 | devdbg(usbdev, "add_wpa_key: key length out of range (%i)", | |
1273 | key_len); | |
b145ee0c | 1274 | return -EINVAL; |
b7cfc5b3 JK |
1275 | } |
1276 | if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq) { | |
1277 | devdbg(usbdev, "add_wpa_key: recv seq flag without buffer"); | |
b145ee0c | 1278 | return -EINVAL; |
b7cfc5b3 JK |
1279 | } |
1280 | is_addr_ok = addr && memcmp(addr, zero_bssid, ETH_ALEN) != 0 && | |
1281 | memcmp(addr, ffff_bssid, ETH_ALEN) != 0; | |
1282 | if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) { | |
1283 | devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)", | |
1284 | addr); | |
b145ee0c | 1285 | return -EINVAL; |
b7cfc5b3 | 1286 | } |
b145ee0c JK |
1287 | |
1288 | devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index, | |
aa18294a JK |
1289 | !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY), |
1290 | !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY), | |
1291 | !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)); | |
b145ee0c JK |
1292 | |
1293 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
1294 | ||
1295 | ndis_key.size = cpu_to_le32(sizeof(ndis_key) - | |
1296 | sizeof(ndis_key.material) + key_len); | |
1297 | ndis_key.length = cpu_to_le32(key_len); | |
1298 | ndis_key.index = cpu_to_le32(index) | flags; | |
1299 | ||
b7cfc5b3 | 1300 | if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) { |
b145ee0c JK |
1301 | /* wpa_supplicant gives us the Michael MIC RX/TX keys in |
1302 | * different order than NDIS spec, so swap the order here. */ | |
1303 | memcpy(ndis_key.material, key, 16); | |
1304 | memcpy(ndis_key.material + 16, key + 24, 8); | |
1305 | memcpy(ndis_key.material + 24, key + 16, 8); | |
1306 | } else | |
1307 | memcpy(ndis_key.material, key, key_len); | |
1308 | ||
aa18294a | 1309 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) |
b145ee0c JK |
1310 | memcpy(ndis_key.rsc, rx_seq, 6); |
1311 | ||
aa18294a | 1312 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) { |
b145ee0c | 1313 | /* pairwise key */ |
b7cfc5b3 | 1314 | memcpy(ndis_key.bssid, addr, ETH_ALEN); |
b145ee0c JK |
1315 | } else { |
1316 | /* group key */ | |
aa18294a | 1317 | if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) |
b145ee0c JK |
1318 | memset(ndis_key.bssid, 0xff, ETH_ALEN); |
1319 | else | |
1320 | get_bssid(usbdev, ndis_key.bssid); | |
1321 | } | |
1322 | ||
1323 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key, | |
1324 | le32_to_cpu(ndis_key.size)); | |
1325 | devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret); | |
1326 | if (ret != 0) | |
1327 | return ret; | |
1328 | ||
b7cfc5b3 JK |
1329 | memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); |
1330 | priv->encr_keys[index].len = key_len; | |
1331 | priv->encr_keys[index].cipher = cipher; | |
1332 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1333 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) | |
1334 | memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN); | |
1335 | else | |
1336 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
9839178e | 1337 | |
aa18294a | 1338 | if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY) |
b145ee0c JK |
1339 | priv->encr_tx_key_index = index; |
1340 | ||
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | ||
b7cfc5b3 JK |
1345 | static int restore_key(struct usbnet *usbdev, int key_idx) |
1346 | { | |
1347 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1348 | struct rndis_wlan_encr_key key; | |
1349 | int flags; | |
1350 | ||
1351 | key = priv->encr_keys[key_idx]; | |
1352 | ||
1353 | devdbg(usbdev, "restore_key: %i:%s:%i", key_idx, | |
1354 | is_wpa_key(priv, key_idx) ? "wpa" : "wep", | |
1355 | key.len); | |
1356 | ||
1357 | if (key.len == 0) | |
1358 | return 0; | |
1359 | ||
1360 | if (is_wpa_key(priv, key_idx)) { | |
1361 | flags = 0; | |
1362 | ||
1363 | /*if (priv->encr_tx_key_index == key_idx) | |
1364 | flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;*/ | |
1365 | ||
1366 | if (memcmp(key.bssid, zero_bssid, ETH_ALEN) != 0 && | |
1367 | memcmp(key.bssid, ffff_bssid, ETH_ALEN) != 0) | |
1368 | flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY; | |
1369 | ||
1370 | return add_wpa_key(usbdev, key.material, key.len, key_idx, | |
1371 | key.bssid, NULL, key.cipher, flags); | |
1372 | } | |
1373 | ||
1374 | return add_wep_key(usbdev, key.material, key.len, key_idx); | |
1375 | } | |
1376 | ||
1377 | ||
1378 | static void restore_keys(struct usbnet *usbdev) | |
1379 | { | |
1380 | int i; | |
1381 | ||
1382 | for (i = 0; i < 4; i++) | |
1383 | restore_key(usbdev, i); | |
1384 | } | |
1385 | ||
1386 | ||
1387 | static void clear_key(struct rndis_wlan_private *priv, int idx) | |
1388 | { | |
1389 | memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx])); | |
1390 | } | |
1391 | ||
1392 | ||
bf164cc0 JK |
1393 | /* remove_key is for both wep and wpa */ |
1394 | static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN]) | |
1395 | { | |
582241a0 | 1396 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1397 | struct ndis_80211_remove_key remove_key; |
bf164cc0 | 1398 | __le32 keyindex; |
b7cfc5b3 | 1399 | bool is_wpa; |
bf164cc0 JK |
1400 | int ret; |
1401 | ||
b7cfc5b3 | 1402 | if (priv->encr_keys[index].len == 0) |
bf164cc0 JK |
1403 | return 0; |
1404 | ||
b7cfc5b3 | 1405 | is_wpa = is_wpa_key(priv, index); |
bf164cc0 | 1406 | |
b7cfc5b3 JK |
1407 | devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep", |
1408 | priv->encr_keys[index].len); | |
1409 | ||
1410 | clear_key(priv, index); | |
1411 | ||
1412 | if (is_wpa) { | |
461b3f2a JK |
1413 | remove_key.size = cpu_to_le32(sizeof(remove_key)); |
1414 | remove_key.index = cpu_to_le32(index); | |
bf164cc0 JK |
1415 | if (bssid) { |
1416 | /* pairwise key */ | |
1417 | if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0) | |
b4703a2e | 1418 | remove_key.index |= |
aa18294a | 1419 | NDIS_80211_ADDKEY_PAIRWISE_KEY; |
461b3f2a JK |
1420 | memcpy(remove_key.bssid, bssid, |
1421 | sizeof(remove_key.bssid)); | |
bf164cc0 | 1422 | } else |
461b3f2a JK |
1423 | memset(remove_key.bssid, 0xff, |
1424 | sizeof(remove_key.bssid)); | |
bf164cc0 JK |
1425 | |
1426 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key, | |
1427 | sizeof(remove_key)); | |
1428 | if (ret != 0) | |
1429 | return ret; | |
1430 | } else { | |
1431 | keyindex = cpu_to_le32(index); | |
1432 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex, | |
1433 | sizeof(keyindex)); | |
1434 | if (ret != 0) { | |
1435 | devwarn(usbdev, | |
1436 | "removing encryption key %d failed (%08X)", | |
1437 | index, ret); | |
1438 | return ret; | |
1439 | } | |
1440 | } | |
1441 | ||
1442 | /* if it is transmit key, disable encryption */ | |
1443 | if (index == priv->encr_tx_key_index) | |
1444 | set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE); | |
1445 | ||
1446 | return 0; | |
1447 | } | |
1448 | ||
1449 | ||
1450 | static void set_multicast_list(struct usbnet *usbdev) | |
1451 | { | |
582241a0 | 1452 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1453 | struct dev_mc_list *mclist; |
1454 | __le32 filter; | |
1455 | int ret, i, size; | |
1456 | char *buf; | |
1457 | ||
1458 | filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; | |
1459 | ||
1460 | if (usbdev->net->flags & IFF_PROMISC) { | |
1461 | filter |= RNDIS_PACKET_TYPE_PROMISCUOUS | | |
1462 | RNDIS_PACKET_TYPE_ALL_LOCAL; | |
1463 | } else if (usbdev->net->flags & IFF_ALLMULTI || | |
1464 | usbdev->net->mc_count > priv->multicast_size) { | |
1465 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1466 | } else if (usbdev->net->mc_count > 0) { | |
1467 | size = min(priv->multicast_size, usbdev->net->mc_count); | |
1468 | buf = kmalloc(size * ETH_ALEN, GFP_KERNEL); | |
1469 | if (!buf) { | |
1470 | devwarn(usbdev, | |
1471 | "couldn't alloc %d bytes of memory", | |
1472 | size * ETH_ALEN); | |
1473 | return; | |
1474 | } | |
1475 | ||
1476 | mclist = usbdev->net->mc_list; | |
1477 | for (i = 0; i < size && mclist; mclist = mclist->next) { | |
1478 | if (mclist->dmi_addrlen != ETH_ALEN) | |
1479 | continue; | |
1480 | ||
1481 | memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN); | |
1482 | i++; | |
1483 | } | |
1484 | ||
1485 | ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf, | |
1486 | i * ETH_ALEN); | |
1487 | if (ret == 0 && i > 0) | |
1488 | filter |= RNDIS_PACKET_TYPE_MULTICAST; | |
1489 | else | |
1490 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1491 | ||
1492 | devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d", | |
1493 | i, priv->multicast_size, ret); | |
1494 | ||
1495 | kfree(buf); | |
1496 | } | |
1497 | ||
1498 | ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
1499 | sizeof(filter)); | |
1500 | if (ret < 0) { | |
1501 | devwarn(usbdev, "couldn't set packet filter: %08x", | |
1502 | le32_to_cpu(filter)); | |
1503 | } | |
1504 | ||
1505 | devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d", | |
1506 | le32_to_cpu(filter), ret); | |
1507 | } | |
1508 | ||
1509 | ||
964c1d41 JL |
1510 | /* |
1511 | * cfg80211 ops | |
1512 | */ | |
e36d56b6 JB |
1513 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
1514 | struct net_device *dev, | |
964c1d41 JL |
1515 | enum nl80211_iftype type, u32 *flags, |
1516 | struct vif_params *params) | |
1517 | { | |
e36d56b6 | 1518 | struct usbnet *usbdev = netdev_priv(dev); |
964c1d41 JL |
1519 | int mode; |
1520 | ||
964c1d41 JL |
1521 | switch (type) { |
1522 | case NL80211_IFTYPE_ADHOC: | |
aa18294a | 1523 | mode = NDIS_80211_INFRA_ADHOC; |
964c1d41 JL |
1524 | break; |
1525 | case NL80211_IFTYPE_STATION: | |
aa18294a | 1526 | mode = NDIS_80211_INFRA_INFRA; |
964c1d41 JL |
1527 | break; |
1528 | default: | |
1529 | return -EINVAL; | |
1530 | } | |
1531 | ||
1532 | return set_infra_mode(usbdev, mode); | |
1533 | } | |
1534 | ||
71a7b26d | 1535 | |
d75ec2b7 JK |
1536 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1537 | { | |
1538 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1539 | struct usbnet *usbdev = priv->usbdev; | |
1540 | int err; | |
1541 | ||
1542 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
1543 | err = set_frag_threshold(usbdev, wiphy->frag_threshold); | |
1544 | if (err < 0) | |
1545 | return err; | |
1546 | } | |
1547 | ||
1548 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1549 | err = set_rts_threshold(usbdev, wiphy->rts_threshold); | |
1550 | if (err < 0) | |
1551 | return err; | |
1552 | } | |
1553 | ||
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | ||
222ec50a JK |
1558 | static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type, |
1559 | int dbm) | |
1560 | { | |
1561 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1562 | struct usbnet *usbdev = priv->usbdev; | |
1563 | ||
1564 | devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm); | |
1565 | ||
1566 | /* Device doesn't support changing txpower after initialization, only | |
1567 | * turn off/on radio. Support 'auto' mode and setting same dBm that is | |
1568 | * currently used. | |
1569 | */ | |
1570 | if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) { | |
1571 | if (!priv->radio_on) | |
1572 | disassociate(usbdev, 1); /* turn on radio */ | |
1573 | ||
1574 | return 0; | |
1575 | } | |
1576 | ||
1577 | return -ENOTSUPP; | |
1578 | } | |
1579 | ||
1580 | ||
1581 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1582 | { | |
1583 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1584 | struct usbnet *usbdev = priv->usbdev; | |
1585 | ||
1586 | *dbm = get_bcm4320_power_dbm(priv); | |
1587 | ||
1588 | devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm); | |
1589 | ||
1590 | return 0; | |
1591 | } | |
1592 | ||
1593 | ||
71a7b26d JK |
1594 | #define SCAN_DELAY_JIFFIES (HZ) |
1595 | static int rndis_scan(struct wiphy *wiphy, struct net_device *dev, | |
1596 | struct cfg80211_scan_request *request) | |
1597 | { | |
1598 | struct usbnet *usbdev = netdev_priv(dev); | |
582241a0 | 1599 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d JK |
1600 | int ret; |
1601 | __le32 tmp; | |
1602 | ||
1603 | devdbg(usbdev, "cfg80211.scan"); | |
1604 | ||
1605 | if (!request) | |
1606 | return -EINVAL; | |
1607 | ||
1608 | if (priv->scan_request && priv->scan_request != request) | |
1609 | return -EBUSY; | |
1610 | ||
1611 | priv->scan_request = request; | |
1612 | ||
1613 | tmp = cpu_to_le32(1); | |
1614 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, | |
1615 | sizeof(tmp)); | |
1616 | if (ret == 0) { | |
1617 | /* Wait before retrieving scan results from device */ | |
1618 | queue_delayed_work(priv->workqueue, &priv->scan_work, | |
1619 | SCAN_DELAY_JIFFIES); | |
1620 | } | |
1621 | ||
1622 | return ret; | |
1623 | } | |
1624 | ||
1625 | ||
1626 | static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev, | |
1627 | struct ndis_80211_bssid_ex *bssid) | |
1628 | { | |
582241a0 | 1629 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d JK |
1630 | struct ieee80211_channel *channel; |
1631 | s32 signal; | |
1632 | u64 timestamp; | |
1633 | u16 capability; | |
1634 | u16 beacon_interval; | |
1635 | struct ndis_80211_fixed_ies *fixed; | |
1636 | int ie_len, bssid_len; | |
1637 | u8 *ie; | |
1638 | ||
1639 | /* parse bssid structure */ | |
1640 | bssid_len = le32_to_cpu(bssid->length); | |
1641 | ||
1642 | if (bssid_len < sizeof(struct ndis_80211_bssid_ex) + | |
1643 | sizeof(struct ndis_80211_fixed_ies)) | |
1644 | return NULL; | |
1645 | ||
1646 | fixed = (struct ndis_80211_fixed_ies *)bssid->ies; | |
1647 | ||
1648 | ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); | |
1649 | ie_len = min(bssid_len - (int)sizeof(*bssid), | |
1650 | (int)le32_to_cpu(bssid->ie_length)); | |
1651 | ie_len -= sizeof(struct ndis_80211_fixed_ies); | |
1652 | if (ie_len < 0) | |
1653 | return NULL; | |
1654 | ||
1655 | /* extract data for cfg80211_inform_bss */ | |
1656 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
1657 | KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config))); | |
1658 | if (!channel) | |
1659 | return NULL; | |
1660 | ||
1661 | signal = level_to_qual(le32_to_cpu(bssid->rssi)); | |
1662 | timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp); | |
1663 | capability = le16_to_cpu(fixed->capabilities); | |
1664 | beacon_interval = le16_to_cpu(fixed->beacon_interval); | |
1665 | ||
1666 | return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac, | |
1667 | timestamp, capability, beacon_interval, ie, ie_len, signal, | |
1668 | GFP_KERNEL); | |
1669 | } | |
1670 | ||
1671 | ||
1672 | static int rndis_check_bssid_list(struct usbnet *usbdev) | |
1673 | { | |
1674 | void *buf = NULL; | |
1675 | struct ndis_80211_bssid_list_ex *bssid_list; | |
1676 | struct ndis_80211_bssid_ex *bssid; | |
1677 | int ret = -EINVAL, len, count, bssid_len; | |
1678 | ||
1679 | devdbg(usbdev, "check_bssid_list"); | |
1680 | ||
1681 | len = CONTROL_BUFFER_SIZE; | |
1682 | buf = kmalloc(len, GFP_KERNEL); | |
1683 | if (!buf) { | |
1684 | ret = -ENOMEM; | |
1685 | goto out; | |
1686 | } | |
1687 | ||
1688 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
1689 | if (ret != 0) | |
1690 | goto out; | |
1691 | ||
1692 | bssid_list = buf; | |
1693 | bssid = bssid_list->bssid; | |
1694 | bssid_len = le32_to_cpu(bssid->length); | |
1695 | count = le32_to_cpu(bssid_list->num_items); | |
1696 | devdbg(usbdev, "check_bssid_list: %d BSSIDs found", count); | |
1697 | ||
1698 | while (count && ((void *)bssid + bssid_len) <= (buf + len)) { | |
1699 | rndis_bss_info_update(usbdev, bssid); | |
1700 | ||
1701 | bssid = (void *)bssid + bssid_len; | |
1702 | bssid_len = le32_to_cpu(bssid->length); | |
1703 | count--; | |
1704 | } | |
1705 | ||
1706 | out: | |
1707 | kfree(buf); | |
1708 | return ret; | |
1709 | } | |
1710 | ||
1711 | ||
1712 | static void rndis_get_scan_results(struct work_struct *work) | |
1713 | { | |
582241a0 JK |
1714 | struct rndis_wlan_private *priv = |
1715 | container_of(work, struct rndis_wlan_private, scan_work.work); | |
71a7b26d JK |
1716 | struct usbnet *usbdev = priv->usbdev; |
1717 | int ret; | |
1718 | ||
1719 | devdbg(usbdev, "get_scan_results"); | |
1720 | ||
005ba2f1 JK |
1721 | if (!priv->scan_request) |
1722 | return; | |
1723 | ||
71a7b26d JK |
1724 | ret = rndis_check_bssid_list(usbdev); |
1725 | ||
1726 | cfg80211_scan_done(priv->scan_request, ret < 0); | |
1727 | ||
1728 | priv->scan_request = NULL; | |
1729 | } | |
1730 | ||
1731 | ||
bf164cc0 JK |
1732 | /* |
1733 | * wireless extension handlers | |
1734 | */ | |
1735 | ||
1736 | static int rndis_iw_commit(struct net_device *dev, | |
1737 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1738 | { | |
1739 | /* dummy op */ | |
1740 | return 0; | |
1741 | } | |
1742 | ||
1743 | ||
bf164cc0 JK |
1744 | static int rndis_iw_set_essid(struct net_device *dev, |
1745 | struct iw_request_info *info, union iwreq_data *wrqu, char *essid) | |
1746 | { | |
1e41e1d2 | 1747 | struct ndis_80211_ssid ssid; |
bf164cc0 | 1748 | int length = wrqu->essid.length; |
524ad0a7 | 1749 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1750 | |
1751 | devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'", | |
1752 | wrqu->essid.flags, wrqu->essid.length, essid); | |
1753 | ||
1754 | if (length > NDIS_802_11_LENGTH_SSID) | |
1755 | length = NDIS_802_11_LENGTH_SSID; | |
1756 | ||
461b3f2a | 1757 | ssid.length = cpu_to_le32(length); |
bf164cc0 | 1758 | if (length > 0) |
461b3f2a | 1759 | memcpy(ssid.essid, essid, length); |
bf164cc0 | 1760 | else |
461b3f2a | 1761 | memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID); |
bf164cc0 JK |
1762 | |
1763 | set_assoc_params(usbdev); | |
1764 | ||
1765 | if (!wrqu->essid.flags || length == 0) | |
1766 | return disassociate(usbdev, 1); | |
1767 | else | |
1768 | return set_essid(usbdev, &ssid); | |
1769 | } | |
1770 | ||
1771 | ||
1772 | static int rndis_iw_get_essid(struct net_device *dev, | |
1773 | struct iw_request_info *info, union iwreq_data *wrqu, char *essid) | |
1774 | { | |
1e41e1d2 | 1775 | struct ndis_80211_ssid ssid; |
524ad0a7 | 1776 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1777 | int ret; |
1778 | ||
1779 | ret = get_essid(usbdev, &ssid); | |
1780 | ||
461b3f2a | 1781 | if (ret == 0 && le32_to_cpu(ssid.length) > 0) { |
bf164cc0 | 1782 | wrqu->essid.flags = 1; |
461b3f2a JK |
1783 | wrqu->essid.length = le32_to_cpu(ssid.length); |
1784 | memcpy(essid, ssid.essid, wrqu->essid.length); | |
bf164cc0 JK |
1785 | essid[wrqu->essid.length] = 0; |
1786 | } else { | |
1787 | memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID)); | |
1788 | wrqu->essid.flags = 0; | |
1789 | wrqu->essid.length = 0; | |
1790 | } | |
1791 | devdbg(usbdev, "SIOCGIWESSID: %s", essid); | |
1792 | return ret; | |
1793 | } | |
1794 | ||
1795 | ||
1796 | static int rndis_iw_get_bssid(struct net_device *dev, | |
1797 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1798 | { | |
524ad0a7 | 1799 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1800 | unsigned char bssid[ETH_ALEN]; |
1801 | int ret; | |
bf164cc0 JK |
1802 | |
1803 | ret = get_bssid(usbdev, bssid); | |
1804 | ||
1805 | if (ret == 0) | |
e174961c | 1806 | devdbg(usbdev, "SIOCGIWAP: %pM", bssid); |
bf164cc0 JK |
1807 | else |
1808 | devdbg(usbdev, "SIOCGIWAP: <not associated>"); | |
1809 | ||
1810 | wrqu->ap_addr.sa_family = ARPHRD_ETHER; | |
1811 | memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN); | |
1812 | ||
1813 | return ret; | |
1814 | } | |
1815 | ||
1816 | ||
1817 | static int rndis_iw_set_bssid(struct net_device *dev, | |
1818 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1819 | { | |
524ad0a7 | 1820 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 | 1821 | u8 *bssid = (u8 *)wrqu->ap_addr.sa_data; |
bf164cc0 JK |
1822 | int ret; |
1823 | ||
e174961c | 1824 | devdbg(usbdev, "SIOCSIWAP: %pM", bssid); |
bf164cc0 JK |
1825 | |
1826 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); | |
1827 | ||
1828 | /* user apps may set ap's mac address, which is not required; | |
1829 | * they may fail to work if this function fails, so return | |
1830 | * success */ | |
1831 | if (ret) | |
1832 | devwarn(usbdev, "setting AP mac address failed (%08X)", ret); | |
1833 | ||
1834 | return 0; | |
1835 | } | |
1836 | ||
1837 | ||
1838 | static int rndis_iw_set_auth(struct net_device *dev, | |
1839 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1840 | { | |
1841 | struct iw_param *p = &wrqu->param; | |
524ad0a7 | 1842 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 1843 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1844 | int ret = -ENOTSUPP; |
1845 | ||
1846 | switch (p->flags & IW_AUTH_INDEX) { | |
1847 | case IW_AUTH_WPA_VERSION: | |
1848 | devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value); | |
1849 | priv->wpa_version = p->value; | |
1850 | ret = 0; | |
1851 | break; | |
1852 | ||
1853 | case IW_AUTH_CIPHER_PAIRWISE: | |
1854 | devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value); | |
1855 | priv->wpa_cipher_pair = p->value; | |
1856 | ret = 0; | |
1857 | break; | |
1858 | ||
1859 | case IW_AUTH_CIPHER_GROUP: | |
1860 | devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value); | |
1861 | priv->wpa_cipher_group = p->value; | |
1862 | ret = 0; | |
1863 | break; | |
1864 | ||
1865 | case IW_AUTH_KEY_MGMT: | |
1866 | devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value); | |
1867 | priv->wpa_keymgmt = p->value; | |
1868 | ret = 0; | |
1869 | break; | |
1870 | ||
1871 | case IW_AUTH_TKIP_COUNTERMEASURES: | |
1872 | devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x", | |
1873 | p->value); | |
1874 | ret = 0; | |
1875 | break; | |
1876 | ||
1877 | case IW_AUTH_DROP_UNENCRYPTED: | |
1878 | devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value); | |
1879 | ret = 0; | |
1880 | break; | |
1881 | ||
1882 | case IW_AUTH_80211_AUTH_ALG: | |
1883 | devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value); | |
1884 | priv->wpa_authalg = p->value; | |
1885 | ret = 0; | |
1886 | break; | |
1887 | ||
1888 | case IW_AUTH_WPA_ENABLED: | |
1889 | devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value); | |
1890 | if (wrqu->param.value) | |
1891 | deauthenticate(usbdev); | |
1892 | ret = 0; | |
1893 | break; | |
1894 | ||
1895 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: | |
1896 | devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x", | |
1897 | p->value); | |
1898 | ret = 0; | |
1899 | break; | |
1900 | ||
1901 | case IW_AUTH_ROAMING_CONTROL: | |
1902 | devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value); | |
1903 | ret = 0; | |
1904 | break; | |
1905 | ||
1906 | case IW_AUTH_PRIVACY_INVOKED: | |
1907 | devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d", | |
1908 | wrqu->param.flags & IW_AUTH_INDEX); | |
1909 | return -EOPNOTSUPP; | |
1910 | ||
1911 | default: | |
1912 | devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x", | |
1913 | p->flags & IW_AUTH_INDEX, p->value); | |
1914 | } | |
1915 | return ret; | |
1916 | } | |
1917 | ||
1918 | ||
1919 | static int rndis_iw_get_auth(struct net_device *dev, | |
1920 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1921 | { | |
1922 | struct iw_param *p = &wrqu->param; | |
524ad0a7 | 1923 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 1924 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1925 | |
1926 | switch (p->flags & IW_AUTH_INDEX) { | |
1927 | case IW_AUTH_WPA_VERSION: | |
1928 | p->value = priv->wpa_version; | |
1929 | break; | |
1930 | case IW_AUTH_CIPHER_PAIRWISE: | |
1931 | p->value = priv->wpa_cipher_pair; | |
1932 | break; | |
1933 | case IW_AUTH_CIPHER_GROUP: | |
1934 | p->value = priv->wpa_cipher_group; | |
1935 | break; | |
1936 | case IW_AUTH_KEY_MGMT: | |
1937 | p->value = priv->wpa_keymgmt; | |
1938 | break; | |
1939 | case IW_AUTH_80211_AUTH_ALG: | |
1940 | p->value = priv->wpa_authalg; | |
1941 | break; | |
1942 | default: | |
1943 | devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d", | |
1944 | wrqu->param.flags & IW_AUTH_INDEX); | |
1945 | return -EOPNOTSUPP; | |
1946 | } | |
1947 | return 0; | |
1948 | } | |
1949 | ||
1950 | ||
bf164cc0 JK |
1951 | static int rndis_iw_set_encode(struct net_device *dev, |
1952 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1953 | { | |
524ad0a7 | 1954 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 1955 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
b7cfc5b3 | 1956 | struct rndis_wlan_encr_key key; |
bf164cc0 | 1957 | int ret, index, key_len; |
b7cfc5b3 | 1958 | u8 *keybuf; |
bf164cc0 JK |
1959 | |
1960 | index = (wrqu->encoding.flags & IW_ENCODE_INDEX); | |
1961 | ||
1962 | /* iwconfig gives index as 1 - N */ | |
1963 | if (index > 0) | |
1964 | index--; | |
1965 | else | |
1966 | index = priv->encr_tx_key_index; | |
1967 | ||
1968 | if (index < 0 || index >= 4) { | |
1969 | devwarn(usbdev, "encryption index out of range (%u)", index); | |
1970 | return -EINVAL; | |
1971 | } | |
1972 | ||
1973 | /* remove key if disabled */ | |
1974 | if (wrqu->data.flags & IW_ENCODE_DISABLED) { | |
1975 | if (remove_key(usbdev, index, NULL)) | |
1976 | return -EINVAL; | |
1977 | else | |
1978 | return 0; | |
1979 | } | |
1980 | ||
1981 | /* global encryption state (for all keys) */ | |
1982 | if (wrqu->data.flags & IW_ENCODE_OPEN) | |
1983 | ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, | |
1984 | IW_AUTH_ALG_OPEN_SYSTEM); | |
1985 | else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/ | |
1986 | ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, | |
1987 | IW_AUTH_ALG_SHARED_KEY); | |
1988 | if (ret != 0) | |
1989 | return ret; | |
1990 | ||
1991 | if (wrqu->data.length > 0) { | |
1992 | key_len = wrqu->data.length; | |
b7cfc5b3 | 1993 | keybuf = extra; |
bf164cc0 JK |
1994 | } else { |
1995 | /* must be set as tx key */ | |
b7cfc5b3 | 1996 | if (priv->encr_keys[index].len == 0) |
bf164cc0 | 1997 | return -EINVAL; |
bf164cc0 | 1998 | key = priv->encr_keys[index]; |
b7cfc5b3 JK |
1999 | key_len = key.len; |
2000 | keybuf = key.material; | |
bf164cc0 JK |
2001 | priv->encr_tx_key_index = index; |
2002 | } | |
2003 | ||
b7cfc5b3 | 2004 | if (add_wep_key(usbdev, keybuf, key_len, index) != 0) |
bf164cc0 JK |
2005 | return -EINVAL; |
2006 | ||
2007 | if (index == priv->encr_tx_key_index) | |
2008 | /* ndis drivers want essid to be set after setting encr */ | |
2009 | set_essid(usbdev, &priv->essid); | |
2010 | ||
2011 | return 0; | |
2012 | } | |
2013 | ||
2014 | ||
2015 | static int rndis_iw_set_encode_ext(struct net_device *dev, | |
2016 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2017 | { | |
2018 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
524ad0a7 | 2019 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2020 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
b7cfc5b3 | 2021 | int keyidx, flags, cipher; |
bf164cc0 JK |
2022 | |
2023 | keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX; | |
2024 | ||
2025 | /* iwconfig gives index as 1 - N */ | |
2026 | if (keyidx) | |
2027 | keyidx--; | |
2028 | else | |
2029 | keyidx = priv->encr_tx_key_index; | |
2030 | ||
b7cfc5b3 JK |
2031 | if (keyidx < 0 || keyidx >= 4) { |
2032 | devwarn(usbdev, "encryption index out of range (%u)", keyidx); | |
bf164cc0 | 2033 | return -EINVAL; |
b7cfc5b3 | 2034 | } |
bf164cc0 JK |
2035 | |
2036 | if (ext->alg == WPA_ALG_WEP) { | |
2037 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) | |
2038 | priv->encr_tx_key_index = keyidx; | |
2039 | return add_wep_key(usbdev, ext->key, ext->key_len, keyidx); | |
2040 | } | |
2041 | ||
b7cfc5b3 JK |
2042 | cipher = -1; |
2043 | if (ext->alg == IW_ENCODE_ALG_TKIP) | |
2044 | cipher = WLAN_CIPHER_SUITE_TKIP; | |
2045 | else if (ext->alg == IW_ENCODE_ALG_CCMP) | |
2046 | cipher = WLAN_CIPHER_SUITE_CCMP; | |
2047 | ||
bf164cc0 JK |
2048 | if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) || |
2049 | ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0) | |
2050 | return remove_key(usbdev, keyidx, NULL); | |
2051 | ||
b7cfc5b3 JK |
2052 | if (cipher == -1) |
2053 | return -EOPNOTSUPP; | |
2054 | ||
b145ee0c JK |
2055 | flags = 0; |
2056 | if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) | |
aa18294a | 2057 | flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ; |
b145ee0c | 2058 | if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)) |
aa18294a | 2059 | flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY; |
bf164cc0 | 2060 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) |
aa18294a | 2061 | flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY; |
bf164cc0 | 2062 | |
b7cfc5b3 JK |
2063 | return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx, |
2064 | (u8 *)&ext->addr.sa_data, ext->rx_seq, cipher, | |
2065 | flags); | |
bf164cc0 JK |
2066 | } |
2067 | ||
2068 | ||
bf164cc0 JK |
2069 | static int rndis_iw_set_genie(struct net_device *dev, |
2070 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2071 | { | |
524ad0a7 | 2072 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2073 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2074 | int ret = 0; |
2075 | ||
2076 | #ifdef DEBUG | |
2077 | int j; | |
2078 | u8 *gie = extra; | |
2079 | for (j = 0; j < wrqu->data.length; j += 8) | |
2080 | devdbg(usbdev, | |
2081 | "SIOCSIWGENIE %04x - " | |
2082 | "%02x %02x %02x %02x %02x %02x %02x %02x", j, | |
2083 | gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3], | |
2084 | gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]); | |
2085 | #endif | |
2086 | /* clear existing IEs */ | |
2087 | if (priv->wpa_ie_len) { | |
2088 | kfree(priv->wpa_ie); | |
2089 | priv->wpa_ie_len = 0; | |
2090 | } | |
2091 | ||
2092 | /* set new IEs */ | |
2093 | priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL); | |
2094 | if (priv->wpa_ie) { | |
2095 | priv->wpa_ie_len = wrqu->data.length; | |
2096 | memcpy(priv->wpa_ie, extra, priv->wpa_ie_len); | |
2097 | } else | |
2098 | ret = -ENOMEM; | |
2099 | return ret; | |
2100 | } | |
2101 | ||
2102 | ||
2103 | static int rndis_iw_get_genie(struct net_device *dev, | |
2104 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2105 | { | |
524ad0a7 | 2106 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2107 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2108 | |
2109 | devdbg(usbdev, "SIOCGIWGENIE"); | |
2110 | ||
2111 | if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) { | |
2112 | wrqu->data.length = 0; | |
2113 | return 0; | |
2114 | } | |
2115 | ||
2116 | if (wrqu->data.length < priv->wpa_ie_len) | |
2117 | return -E2BIG; | |
2118 | ||
2119 | wrqu->data.length = priv->wpa_ie_len; | |
2120 | memcpy(extra, priv->wpa_ie, priv->wpa_ie_len); | |
2121 | ||
2122 | return 0; | |
2123 | } | |
2124 | ||
2125 | ||
bf164cc0 JK |
2126 | static int rndis_iw_set_freq(struct net_device *dev, |
2127 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2128 | { | |
524ad0a7 | 2129 | struct usbnet *usbdev = netdev_priv(dev); |
1e41e1d2 | 2130 | struct ndis_80211_conf config; |
bf164cc0 JK |
2131 | unsigned int dsconfig; |
2132 | int len, ret; | |
2133 | ||
2134 | /* this OID is valid only when not associated */ | |
2135 | if (is_associated(usbdev)) | |
2136 | return 0; | |
2137 | ||
2138 | dsconfig = 0; | |
2139 | if (freq_to_dsconfig(&wrqu->freq, &dsconfig)) | |
2140 | return -EINVAL; | |
2141 | ||
2142 | len = sizeof(config); | |
2143 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
2144 | if (ret != 0) { | |
2145 | devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed"); | |
2146 | return 0; | |
2147 | } | |
2148 | ||
461b3f2a | 2149 | config.ds_config = cpu_to_le32(dsconfig); |
bf164cc0 JK |
2150 | |
2151 | devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e); | |
2152 | return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config, | |
2153 | sizeof(config)); | |
2154 | } | |
2155 | ||
2156 | ||
2157 | static int rndis_iw_get_freq(struct net_device *dev, | |
2158 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2159 | { | |
524ad0a7 | 2160 | struct usbnet *usbdev = netdev_priv(dev); |
1e41e1d2 | 2161 | struct ndis_80211_conf config; |
bf164cc0 JK |
2162 | int len, ret; |
2163 | ||
2164 | len = sizeof(config); | |
2165 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
2166 | if (ret == 0) | |
461b3f2a | 2167 | dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq); |
bf164cc0 JK |
2168 | |
2169 | devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m); | |
2170 | return ret; | |
2171 | } | |
2172 | ||
2173 | ||
bf164cc0 JK |
2174 | static int rndis_iw_get_rate(struct net_device *dev, |
2175 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2176 | { | |
524ad0a7 | 2177 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
2178 | __le32 tmp; |
2179 | int ret, len; | |
2180 | ||
2181 | len = sizeof(tmp); | |
2182 | ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len); | |
2183 | if (ret == 0) { | |
2184 | wrqu->bitrate.value = le32_to_cpu(tmp) * 100; | |
2185 | wrqu->bitrate.disabled = 0; | |
2186 | wrqu->bitrate.flags = 1; | |
2187 | } | |
2188 | return ret; | |
2189 | } | |
2190 | ||
2191 | ||
2192 | static int rndis_iw_set_mlme(struct net_device *dev, | |
2193 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2194 | { | |
524ad0a7 | 2195 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2196 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2197 | struct iw_mlme *mlme = (struct iw_mlme *)extra; |
2198 | unsigned char bssid[ETH_ALEN]; | |
2199 | ||
2200 | get_bssid(usbdev, bssid); | |
2201 | ||
2202 | if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN)) | |
2203 | return -EINVAL; | |
2204 | ||
2205 | switch (mlme->cmd) { | |
2206 | case IW_MLME_DEAUTH: | |
2207 | return deauthenticate(usbdev); | |
2208 | case IW_MLME_DISASSOC: | |
2209 | return disassociate(usbdev, priv->radio_on); | |
2210 | default: | |
2211 | return -EOPNOTSUPP; | |
2212 | } | |
2213 | ||
2214 | return 0; | |
2215 | } | |
2216 | ||
2217 | ||
2218 | static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev) | |
2219 | { | |
524ad0a7 | 2220 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2221 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2222 | unsigned long flags; |
2223 | ||
2224 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2225 | memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats)); | |
2226 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2227 | ||
2228 | return &priv->iwstats; | |
2229 | } | |
2230 | ||
2231 | ||
2232 | #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT] | |
2233 | static const iw_handler rndis_iw_handler[] = | |
2234 | { | |
2235 | IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit, | |
5c8fa4f7 | 2236 | IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname, |
bf164cc0 JK |
2237 | IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq, |
2238 | IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq, | |
964c1d41 JL |
2239 | IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode, |
2240 | IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode, | |
4d2a369e | 2241 | IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange, |
bf164cc0 JK |
2242 | IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid, |
2243 | IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid, | |
71a7b26d JK |
2244 | IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan, |
2245 | IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan, | |
bf164cc0 JK |
2246 | IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid, |
2247 | IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid, | |
bf164cc0 | 2248 | IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate, |
d75ec2b7 JK |
2249 | IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts, |
2250 | IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts, | |
2251 | IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag, | |
2252 | IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag, | |
222ec50a JK |
2253 | IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower, |
2254 | IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower, | |
bf164cc0 JK |
2255 | IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode, |
2256 | IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext, | |
2257 | IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth, | |
2258 | IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth, | |
2259 | IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie, | |
2260 | IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie, | |
2261 | IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme, | |
2262 | }; | |
2263 | ||
582241a0 | 2264 | static const iw_handler rndis_wlan_private_handler[] = { |
bf164cc0 JK |
2265 | }; |
2266 | ||
582241a0 | 2267 | static const struct iw_priv_args rndis_wlan_private_args[] = { |
bf164cc0 JK |
2268 | }; |
2269 | ||
2270 | ||
2271 | static const struct iw_handler_def rndis_iw_handlers = { | |
2272 | .num_standard = ARRAY_SIZE(rndis_iw_handler), | |
582241a0 JK |
2273 | .num_private = ARRAY_SIZE(rndis_wlan_private_handler), |
2274 | .num_private_args = ARRAY_SIZE(rndis_wlan_private_args), | |
bf164cc0 | 2275 | .standard = (iw_handler *)rndis_iw_handler, |
582241a0 JK |
2276 | .private = (iw_handler *)rndis_wlan_private_handler, |
2277 | .private_args = (struct iw_priv_args *)rndis_wlan_private_args, | |
bf164cc0 JK |
2278 | .get_wireless_stats = rndis_get_wireless_stats, |
2279 | }; | |
2280 | ||
2281 | ||
582241a0 | 2282 | static void rndis_wlan_worker(struct work_struct *work) |
bf164cc0 | 2283 | { |
582241a0 JK |
2284 | struct rndis_wlan_private *priv = |
2285 | container_of(work, struct rndis_wlan_private, work); | |
bf164cc0 JK |
2286 | struct usbnet *usbdev = priv->usbdev; |
2287 | union iwreq_data evt; | |
2288 | unsigned char bssid[ETH_ALEN]; | |
4364623c SA |
2289 | struct ndis_80211_assoc_info *info; |
2290 | int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32; | |
2291 | int ret, offset; | |
bf164cc0 | 2292 | |
6010ce07 | 2293 | if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) { |
5331b96c JK |
2294 | netif_carrier_on(usbdev->net); |
2295 | ||
4364623c SA |
2296 | info = kzalloc(assoc_size, GFP_KERNEL); |
2297 | if (!info) | |
2298 | goto get_bssid; | |
bf164cc0 | 2299 | |
4364623c SA |
2300 | /* Get association info IEs from device and send them back to |
2301 | * userspace. */ | |
2302 | ret = get_association_info(usbdev, info, assoc_size); | |
2303 | if (!ret) { | |
2304 | evt.data.length = le32_to_cpu(info->req_ie_length); | |
2305 | if (evt.data.length > 0) { | |
2306 | offset = le32_to_cpu(info->offset_req_ies); | |
2307 | wireless_send_event(usbdev->net, | |
2308 | IWEVASSOCREQIE, &evt, | |
2309 | (char *)info + offset); | |
2310 | } | |
2311 | ||
2312 | evt.data.length = le32_to_cpu(info->resp_ie_length); | |
2313 | if (evt.data.length > 0) { | |
2314 | offset = le32_to_cpu(info->offset_resp_ies); | |
2315 | wireless_send_event(usbdev->net, | |
2316 | IWEVASSOCRESPIE, &evt, | |
2317 | (char *)info + offset); | |
2318 | } | |
2319 | } | |
2320 | ||
2321 | kfree(info); | |
bf164cc0 | 2322 | |
4364623c SA |
2323 | get_bssid: |
2324 | ret = get_bssid(usbdev, bssid); | |
bf164cc0 JK |
2325 | if (!ret) { |
2326 | evt.data.flags = 0; | |
2327 | evt.data.length = 0; | |
2328 | memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN); | |
2329 | wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); | |
2330 | } | |
2331 | } | |
2332 | ||
6010ce07 | 2333 | if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) { |
5331b96c JK |
2334 | netif_carrier_off(usbdev->net); |
2335 | ||
6010ce07 JK |
2336 | evt.data.flags = 0; |
2337 | evt.data.length = 0; | |
2338 | memset(evt.ap_addr.sa_data, 0, ETH_ALEN); | |
2339 | wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); | |
2340 | } | |
2341 | ||
bf164cc0 JK |
2342 | if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2343 | set_multicast_list(usbdev); | |
2344 | } | |
2345 | ||
582241a0 | 2346 | static void rndis_wlan_set_multicast_list(struct net_device *dev) |
bf164cc0 | 2347 | { |
524ad0a7 | 2348 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2349 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2350 | |
a67edb9e JK |
2351 | if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2352 | return; | |
2353 | ||
bf164cc0 JK |
2354 | set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
2355 | queue_work(priv->workqueue, &priv->work); | |
2356 | } | |
2357 | ||
030645ac JK |
2358 | |
2359 | static void rndis_wlan_auth_indication(struct usbnet *usbdev, | |
2360 | struct ndis_80211_status_indication *indication, | |
2361 | int len) | |
2362 | { | |
2363 | u8 *buf; | |
2364 | const char *type; | |
2365 | int flags, buflen; | |
2366 | bool pairwise_error, group_error; | |
2367 | struct ndis_80211_auth_request *auth_req; | |
2368 | ||
2369 | /* must have at least one array entry */ | |
2370 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2371 | sizeof(struct ndis_80211_auth_request)) { | |
2372 | devinfo(usbdev, "authentication indication: " | |
2373 | "too short message (%i)", len); | |
2374 | return; | |
2375 | } | |
2376 | ||
2377 | buf = (void *)&indication->u.auth_request[0]; | |
2378 | buflen = len - offsetof(struct ndis_80211_status_indication, u); | |
2379 | ||
2380 | while (buflen >= sizeof(*auth_req)) { | |
2381 | auth_req = (void *)buf; | |
2382 | type = "unknown"; | |
2383 | flags = le32_to_cpu(auth_req->flags); | |
2384 | pairwise_error = false; | |
2385 | group_error = false; | |
2386 | ||
2387 | if (flags & 0x1) | |
2388 | type = "reauth request"; | |
2389 | if (flags & 0x2) | |
2390 | type = "key update request"; | |
2391 | if (flags & 0x6) { | |
2392 | pairwise_error = true; | |
2393 | type = "pairwise_error"; | |
2394 | } | |
2395 | if (flags & 0xe) { | |
2396 | group_error = true; | |
2397 | type = "group_error"; | |
2398 | } | |
2399 | ||
2400 | devinfo(usbdev, "authentication indication: %s (0x%08x)", type, | |
2401 | le32_to_cpu(auth_req->flags)); | |
2402 | ||
2403 | if (pairwise_error || group_error) { | |
2404 | union iwreq_data wrqu; | |
2405 | struct iw_michaelmicfailure micfailure; | |
2406 | ||
2407 | memset(&micfailure, 0, sizeof(micfailure)); | |
2408 | if (pairwise_error) | |
2409 | micfailure.flags |= IW_MICFAILURE_PAIRWISE; | |
2410 | if (group_error) | |
2411 | micfailure.flags |= IW_MICFAILURE_GROUP; | |
2412 | ||
2413 | memcpy(micfailure.src_addr.sa_data, auth_req->bssid, | |
2414 | ETH_ALEN); | |
2415 | ||
2416 | memset(&wrqu, 0, sizeof(wrqu)); | |
2417 | wrqu.data.length = sizeof(micfailure); | |
2418 | wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE, | |
2419 | &wrqu, (u8 *)&micfailure); | |
2420 | } | |
2421 | ||
2422 | buflen -= le32_to_cpu(auth_req->length); | |
2423 | buf += le32_to_cpu(auth_req->length); | |
2424 | } | |
2425 | } | |
2426 | ||
2427 | static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev, | |
2428 | struct ndis_80211_status_indication *indication, | |
2429 | int len) | |
2430 | { | |
2431 | struct ndis_80211_pmkid_cand_list *cand_list; | |
2432 | int list_len, expected_len, i; | |
2433 | ||
2434 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2435 | sizeof(struct ndis_80211_pmkid_cand_list)) { | |
2436 | devinfo(usbdev, "pmkid candidate list indication: " | |
2437 | "too short message (%i)", len); | |
2438 | return; | |
2439 | } | |
2440 | ||
2441 | list_len = le32_to_cpu(indication->u.cand_list.num_candidates) * | |
2442 | sizeof(struct ndis_80211_pmkid_candidate); | |
2443 | expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len + | |
2444 | offsetof(struct ndis_80211_status_indication, u); | |
2445 | ||
2446 | if (len < expected_len) { | |
2447 | devinfo(usbdev, "pmkid candidate list indication: " | |
2448 | "list larger than buffer (%i < %i)", | |
2449 | len, expected_len); | |
2450 | return; | |
2451 | } | |
2452 | ||
2453 | cand_list = &indication->u.cand_list; | |
2454 | ||
2455 | devinfo(usbdev, "pmkid candidate list indication: " | |
2456 | "version %i, candidates %i", | |
2457 | le32_to_cpu(cand_list->version), | |
2458 | le32_to_cpu(cand_list->num_candidates)); | |
2459 | ||
2460 | if (le32_to_cpu(cand_list->version) != 1) | |
2461 | return; | |
2462 | ||
2463 | for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) { | |
2464 | struct iw_pmkid_cand pcand; | |
2465 | union iwreq_data wrqu; | |
2466 | struct ndis_80211_pmkid_candidate *cand = | |
2467 | &cand_list->candidate_list[i]; | |
2468 | ||
2469 | devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM", | |
2470 | i, le32_to_cpu(cand->flags), cand->bssid); | |
2471 | ||
2472 | memset(&pcand, 0, sizeof(pcand)); | |
2473 | if (le32_to_cpu(cand->flags) & 0x01) | |
2474 | pcand.flags |= IW_PMKID_CAND_PREAUTH; | |
2475 | pcand.index = i; | |
2476 | memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN); | |
2477 | ||
2478 | memset(&wrqu, 0, sizeof(wrqu)); | |
2479 | wrqu.data.length = sizeof(pcand); | |
2480 | wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu, | |
2481 | (u8 *)&pcand); | |
2482 | } | |
2483 | } | |
2484 | ||
2485 | static void rndis_wlan_media_specific_indication(struct usbnet *usbdev, | |
2486 | struct rndis_indicate *msg, int buflen) | |
2487 | { | |
2488 | struct ndis_80211_status_indication *indication; | |
2489 | int len, offset; | |
2490 | ||
2491 | offset = offsetof(struct rndis_indicate, status) + | |
2492 | le32_to_cpu(msg->offset); | |
2493 | len = le32_to_cpu(msg->length); | |
2494 | ||
2495 | if (len < 8) { | |
2496 | devinfo(usbdev, "media specific indication, " | |
2497 | "ignore too short message (%i < 8)", len); | |
2498 | return; | |
2499 | } | |
2500 | ||
2501 | if (offset + len > buflen) { | |
2502 | devinfo(usbdev, "media specific indication, " | |
2503 | "too large to fit to buffer (%i > %i)", | |
2504 | offset + len, buflen); | |
2505 | return; | |
2506 | } | |
2507 | ||
2508 | indication = (void *)((u8 *)msg + offset); | |
2509 | ||
2510 | switch (le32_to_cpu(indication->status_type)) { | |
2511 | case NDIS_80211_STATUSTYPE_RADIOSTATE: | |
2512 | devinfo(usbdev, "radio state indication: %i", | |
2513 | le32_to_cpu(indication->u.radio_status)); | |
2514 | return; | |
2515 | ||
2516 | case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE: | |
2517 | devinfo(usbdev, "media stream mode indication: %i", | |
2518 | le32_to_cpu(indication->u.media_stream_mode)); | |
2519 | return; | |
2520 | ||
2521 | case NDIS_80211_STATUSTYPE_AUTHENTICATION: | |
2522 | rndis_wlan_auth_indication(usbdev, indication, len); | |
2523 | return; | |
2524 | ||
2525 | case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST: | |
2526 | rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len); | |
2527 | return; | |
2528 | ||
2529 | default: | |
2530 | devinfo(usbdev, "media specific indication: " | |
2531 | "unknown status type 0x%08x", | |
2532 | le32_to_cpu(indication->status_type)); | |
2533 | } | |
2534 | } | |
2535 | ||
2536 | ||
2a4901bc | 2537 | static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) |
bf164cc0 | 2538 | { |
582241a0 | 2539 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2a4901bc | 2540 | struct rndis_indicate *msg = ind; |
bf164cc0 | 2541 | |
2a4901bc JK |
2542 | switch (msg->status) { |
2543 | case RNDIS_STATUS_MEDIA_CONNECT: | |
2544 | devinfo(usbdev, "media connect"); | |
2545 | ||
030645ac | 2546 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
2547 | set_bit(WORK_LINK_UP, &priv->work_pending); |
2548 | queue_work(priv->workqueue, &priv->work); | |
2549 | break; | |
2550 | ||
2551 | case RNDIS_STATUS_MEDIA_DISCONNECT: | |
2552 | devinfo(usbdev, "media disconnect"); | |
2553 | ||
030645ac | 2554 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
2555 | set_bit(WORK_LINK_DOWN, &priv->work_pending); |
2556 | queue_work(priv->workqueue, &priv->work); | |
2557 | break; | |
2558 | ||
030645ac JK |
2559 | case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION: |
2560 | rndis_wlan_media_specific_indication(usbdev, msg, buflen); | |
2561 | break; | |
2562 | ||
2a4901bc JK |
2563 | default: |
2564 | devinfo(usbdev, "indication: 0x%08x", | |
2565 | le32_to_cpu(msg->status)); | |
2566 | break; | |
2567 | } | |
bf164cc0 JK |
2568 | } |
2569 | ||
2570 | ||
582241a0 | 2571 | static int rndis_wlan_get_caps(struct usbnet *usbdev) |
bf164cc0 JK |
2572 | { |
2573 | struct { | |
2574 | __le32 num_items; | |
2575 | __le32 items[8]; | |
2576 | } networks_supported; | |
2577 | int len, retval, i, n; | |
582241a0 | 2578 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2579 | |
bf164cc0 JK |
2580 | /* determine supported modes */ |
2581 | len = sizeof(networks_supported); | |
a19d7292 | 2582 | retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED, |
bf164cc0 JK |
2583 | &networks_supported, &len); |
2584 | if (retval >= 0) { | |
2585 | n = le32_to_cpu(networks_supported.num_items); | |
2586 | if (n > 8) | |
2587 | n = 8; | |
2588 | for (i = 0; i < n; i++) { | |
2589 | switch (le32_to_cpu(networks_supported.items[i])) { | |
aa18294a JK |
2590 | case NDIS_80211_TYPE_FREQ_HOP: |
2591 | case NDIS_80211_TYPE_DIRECT_SEQ: | |
bf164cc0 JK |
2592 | priv->caps |= CAP_MODE_80211B; |
2593 | break; | |
aa18294a | 2594 | case NDIS_80211_TYPE_OFDM_A: |
bf164cc0 JK |
2595 | priv->caps |= CAP_MODE_80211A; |
2596 | break; | |
aa18294a | 2597 | case NDIS_80211_TYPE_OFDM_G: |
bf164cc0 JK |
2598 | priv->caps |= CAP_MODE_80211G; |
2599 | break; | |
2600 | } | |
2601 | } | |
bf164cc0 JK |
2602 | } |
2603 | ||
2604 | return retval; | |
2605 | } | |
2606 | ||
2607 | ||
2608 | #define STATS_UPDATE_JIFFIES (HZ) | |
2609 | static void rndis_update_wireless_stats(struct work_struct *work) | |
2610 | { | |
582241a0 JK |
2611 | struct rndis_wlan_private *priv = |
2612 | container_of(work, struct rndis_wlan_private, stats_work.work); | |
bf164cc0 JK |
2613 | struct usbnet *usbdev = priv->usbdev; |
2614 | struct iw_statistics iwstats; | |
2615 | __le32 rssi, tmp; | |
a97b1f3d | 2616 | int len, ret, j; |
bf164cc0 JK |
2617 | unsigned long flags; |
2618 | int update_jiffies = STATS_UPDATE_JIFFIES; | |
2619 | void *buf; | |
2620 | ||
2621 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2622 | memcpy(&iwstats, &priv->privstats, sizeof(iwstats)); | |
2623 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2624 | ||
2625 | /* only update stats when connected */ | |
2626 | if (!is_associated(usbdev)) { | |
2627 | iwstats.qual.qual = 0; | |
2628 | iwstats.qual.level = 0; | |
2629 | iwstats.qual.updated = IW_QUAL_QUAL_UPDATED | |
2630 | | IW_QUAL_LEVEL_UPDATED | |
2631 | | IW_QUAL_NOISE_INVALID | |
2632 | | IW_QUAL_QUAL_INVALID | |
2633 | | IW_QUAL_LEVEL_INVALID; | |
2634 | goto end; | |
2635 | } | |
2636 | ||
2637 | len = sizeof(rssi); | |
2638 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
2639 | ||
2640 | devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret, | |
2641 | le32_to_cpu(rssi)); | |
2642 | if (ret == 0) { | |
2643 | memset(&iwstats.qual, 0, sizeof(iwstats.qual)); | |
2644 | iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi)); | |
4bd7f03e | 2645 | iwstats.qual.level = level_to_qual(le32_to_cpu(rssi)); |
bf164cc0 JK |
2646 | iwstats.qual.updated = IW_QUAL_QUAL_UPDATED |
2647 | | IW_QUAL_LEVEL_UPDATED | |
2648 | | IW_QUAL_NOISE_INVALID; | |
2649 | } | |
2650 | ||
2651 | memset(&iwstats.discard, 0, sizeof(iwstats.discard)); | |
2652 | ||
2653 | len = sizeof(tmp); | |
2654 | ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len); | |
2655 | if (ret == 0) | |
2656 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2657 | ||
2658 | len = sizeof(tmp); | |
2659 | ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len); | |
2660 | if (ret == 0) | |
2661 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2662 | ||
2663 | len = sizeof(tmp); | |
2664 | ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len); | |
2665 | if (ret == 0) | |
2666 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2667 | ||
a97b1f3d JK |
2668 | /* Workaround transfer stalls on poor quality links. |
2669 | * TODO: find right way to fix these stalls (as stalls do not happen | |
2670 | * with ndiswrapper/windows driver). */ | |
2671 | if (iwstats.qual.qual <= 25) { | |
bf164cc0 JK |
2672 | /* Decrease stats worker interval to catch stalls. |
2673 | * faster. Faster than 400-500ms causes packet loss, | |
2674 | * Slower doesn't catch stalls fast enough. | |
2675 | */ | |
2676 | j = msecs_to_jiffies(priv->param_workaround_interval); | |
2677 | if (j > STATS_UPDATE_JIFFIES) | |
2678 | j = STATS_UPDATE_JIFFIES; | |
2679 | else if (j <= 0) | |
2680 | j = 1; | |
2681 | update_jiffies = j; | |
2682 | ||
2683 | /* Send scan OID. Use of both OIDs is required to get device | |
2684 | * working. | |
2685 | */ | |
35c26c2c | 2686 | tmp = cpu_to_le32(1); |
bf164cc0 JK |
2687 | rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, |
2688 | sizeof(tmp)); | |
2689 | ||
2690 | len = CONTROL_BUFFER_SIZE; | |
2691 | buf = kmalloc(len, GFP_KERNEL); | |
2692 | if (!buf) | |
2693 | goto end; | |
2694 | ||
2695 | rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
2696 | kfree(buf); | |
2697 | } | |
2698 | end: | |
2699 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2700 | memcpy(&priv->privstats, &iwstats, sizeof(iwstats)); | |
2701 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2702 | ||
2703 | if (update_jiffies >= HZ) | |
2704 | update_jiffies = round_jiffies_relative(update_jiffies); | |
2705 | else { | |
2706 | j = round_jiffies_relative(update_jiffies); | |
2707 | if (abs(j - update_jiffies) <= 10) | |
2708 | update_jiffies = j; | |
2709 | } | |
2710 | ||
2711 | queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies); | |
2712 | } | |
2713 | ||
2714 | ||
59620e9f JK |
2715 | static int bcm4320a_early_init(struct usbnet *usbdev) |
2716 | { | |
2717 | /* bcm4320a doesn't handle configuration parameters well. Try | |
2718 | * set any and you get partially zeroed mac and broken device. | |
2719 | */ | |
2720 | ||
2721 | return 0; | |
2722 | } | |
2723 | ||
2724 | ||
2725 | static int bcm4320b_early_init(struct usbnet *usbdev) | |
bf164cc0 | 2726 | { |
582241a0 | 2727 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2728 | char buf[8]; |
2729 | ||
2730 | /* Early initialization settings, setting these won't have effect | |
2731 | * if called after generic_rndis_bind(). | |
2732 | */ | |
2733 | ||
2734 | priv->param_country[0] = modparam_country[0]; | |
2735 | priv->param_country[1] = modparam_country[1]; | |
2736 | priv->param_country[2] = 0; | |
2737 | priv->param_frameburst = modparam_frameburst; | |
2738 | priv->param_afterburner = modparam_afterburner; | |
2739 | priv->param_power_save = modparam_power_save; | |
2740 | priv->param_power_output = modparam_power_output; | |
2741 | priv->param_roamtrigger = modparam_roamtrigger; | |
2742 | priv->param_roamdelta = modparam_roamdelta; | |
bf164cc0 JK |
2743 | |
2744 | priv->param_country[0] = toupper(priv->param_country[0]); | |
2745 | priv->param_country[1] = toupper(priv->param_country[1]); | |
2746 | /* doesn't support EU as country code, use FI instead */ | |
2747 | if (!strcmp(priv->param_country, "EU")) | |
2748 | strcpy(priv->param_country, "FI"); | |
2749 | ||
2750 | if (priv->param_power_save < 0) | |
2751 | priv->param_power_save = 0; | |
2752 | else if (priv->param_power_save > 2) | |
2753 | priv->param_power_save = 2; | |
2754 | ||
a7624837 JK |
2755 | if (priv->param_power_output < 0) |
2756 | priv->param_power_output = 0; | |
2757 | else if (priv->param_power_output > 3) | |
2758 | priv->param_power_output = 3; | |
2759 | ||
bf164cc0 JK |
2760 | if (priv->param_roamtrigger < -80) |
2761 | priv->param_roamtrigger = -80; | |
2762 | else if (priv->param_roamtrigger > -60) | |
2763 | priv->param_roamtrigger = -60; | |
2764 | ||
2765 | if (priv->param_roamdelta < 0) | |
2766 | priv->param_roamdelta = 0; | |
2767 | else if (priv->param_roamdelta > 2) | |
2768 | priv->param_roamdelta = 2; | |
2769 | ||
4d381ffb | 2770 | if (modparam_workaround_interval < 0) |
bf164cc0 | 2771 | priv->param_workaround_interval = 500; |
4d381ffb RK |
2772 | else |
2773 | priv->param_workaround_interval = modparam_workaround_interval; | |
bf164cc0 | 2774 | |
a19d7292 JK |
2775 | rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
2776 | rndis_set_config_parameter_str(usbdev, "FrameBursting", | |
bf164cc0 | 2777 | priv->param_frameburst ? "1" : "0"); |
a19d7292 | 2778 | rndis_set_config_parameter_str(usbdev, "Afterburner", |
bf164cc0 JK |
2779 | priv->param_afterburner ? "1" : "0"); |
2780 | sprintf(buf, "%d", priv->param_power_save); | |
a19d7292 | 2781 | rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
bf164cc0 | 2782 | sprintf(buf, "%d", priv->param_power_output); |
a19d7292 | 2783 | rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
bf164cc0 | 2784 | sprintf(buf, "%d", priv->param_roamtrigger); |
a19d7292 | 2785 | rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
bf164cc0 | 2786 | sprintf(buf, "%d", priv->param_roamdelta); |
a19d7292 | 2787 | rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
bf164cc0 JK |
2788 | |
2789 | return 0; | |
2790 | } | |
2791 | ||
23d12e2b | 2792 | /* same as rndis_netdev_ops but with local multicast handler */ |
582241a0 | 2793 | static const struct net_device_ops rndis_wlan_netdev_ops = { |
23d12e2b DM |
2794 | .ndo_open = usbnet_open, |
2795 | .ndo_stop = usbnet_stop, | |
2796 | .ndo_start_xmit = usbnet_start_xmit, | |
2797 | .ndo_tx_timeout = usbnet_tx_timeout, | |
2798 | .ndo_set_mac_address = eth_mac_addr, | |
2799 | .ndo_validate_addr = eth_validate_addr, | |
582241a0 | 2800 | .ndo_set_multicast_list = rndis_wlan_set_multicast_list, |
23d12e2b DM |
2801 | }; |
2802 | ||
bf164cc0 | 2803 | |
582241a0 | 2804 | static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2805 | { |
5c8fa4f7 | 2806 | struct wiphy *wiphy; |
582241a0 | 2807 | struct rndis_wlan_private *priv; |
bf164cc0 JK |
2808 | int retval, len; |
2809 | __le32 tmp; | |
2810 | ||
5c8fa4f7 JL |
2811 | /* allocate wiphy and rndis private data |
2812 | * NOTE: We only support a single virtual interface, so wiphy | |
2813 | * and wireless_dev are somewhat synonymous for this device. | |
2814 | */ | |
582241a0 | 2815 | wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private)); |
5c8fa4f7 | 2816 | if (!wiphy) |
bf164cc0 JK |
2817 | return -ENOMEM; |
2818 | ||
5c8fa4f7 JL |
2819 | priv = wiphy_priv(wiphy); |
2820 | usbdev->net->ieee80211_ptr = &priv->wdev; | |
2821 | priv->wdev.wiphy = wiphy; | |
2822 | priv->wdev.iftype = NL80211_IFTYPE_STATION; | |
2823 | ||
bf164cc0 | 2824 | /* These have to be initialized before calling generic_rndis_bind(). |
582241a0 | 2825 | * Otherwise we'll be in big trouble in rndis_wlan_early_init(). |
bf164cc0 | 2826 | */ |
a19d7292 | 2827 | usbdev->driver_priv = priv; |
a19d7292 JK |
2828 | usbdev->net->wireless_handlers = &rndis_iw_handlers; |
2829 | priv->usbdev = usbdev; | |
bf164cc0 JK |
2830 | |
2831 | mutex_init(&priv->command_lock); | |
2832 | spin_lock_init(&priv->stats_lock); | |
2833 | ||
8d4d99ae JK |
2834 | /* because rndis_command() sleeps we need to use workqueue */ |
2835 | priv->workqueue = create_singlethread_workqueue("rndis_wlan"); | |
582241a0 | 2836 | INIT_WORK(&priv->work, rndis_wlan_worker); |
8d4d99ae JK |
2837 | INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats); |
2838 | INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results); | |
2839 | ||
bf164cc0 | 2840 | /* try bind rndis_host */ |
a19d7292 | 2841 | retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
bf164cc0 JK |
2842 | if (retval < 0) |
2843 | goto fail; | |
2844 | ||
2845 | /* generic_rndis_bind set packet filter to multicast_all+ | |
2846 | * promisc mode which doesn't work well for our devices (device | |
2847 | * picks up rssi to closest station instead of to access point). | |
2848 | * | |
2849 | * rndis_host wants to avoid all OID as much as possible | |
582241a0 | 2850 | * so do promisc/multicast handling in rndis_wlan. |
bf164cc0 | 2851 | */ |
582241a0 | 2852 | usbdev->net->netdev_ops = &rndis_wlan_netdev_ops; |
23d12e2b | 2853 | |
bf164cc0 | 2854 | tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; |
a19d7292 | 2855 | retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp, |
bf164cc0 JK |
2856 | sizeof(tmp)); |
2857 | ||
2858 | len = sizeof(tmp); | |
a19d7292 JK |
2859 | retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, |
2860 | &len); | |
bf164cc0 JK |
2861 | priv->multicast_size = le32_to_cpu(tmp); |
2862 | if (retval < 0 || priv->multicast_size < 0) | |
2863 | priv->multicast_size = 0; | |
2864 | if (priv->multicast_size > 0) | |
a19d7292 | 2865 | usbdev->net->flags |= IFF_MULTICAST; |
bf164cc0 | 2866 | else |
a19d7292 | 2867 | usbdev->net->flags &= ~IFF_MULTICAST; |
bf164cc0 JK |
2868 | |
2869 | priv->iwstats.qual.qual = 0; | |
2870 | priv->iwstats.qual.level = 0; | |
2871 | priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED | |
2872 | | IW_QUAL_LEVEL_UPDATED | |
2873 | | IW_QUAL_NOISE_INVALID | |
2874 | | IW_QUAL_QUAL_INVALID | |
2875 | | IW_QUAL_LEVEL_INVALID; | |
2876 | ||
5c8fa4f7 JL |
2877 | /* fill-out wiphy structure and register w/ cfg80211 */ |
2878 | memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN); | |
2879 | wiphy->privid = rndis_wiphy_privid; | |
2880 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2881 | | BIT(NL80211_IFTYPE_ADHOC); | |
2882 | wiphy->max_scan_ssids = 1; | |
2883 | ||
2884 | /* TODO: fill-out band information based on priv->caps */ | |
582241a0 | 2885 | rndis_wlan_get_caps(usbdev); |
5c8fa4f7 JL |
2886 | |
2887 | memcpy(priv->channels, rndis_channels, sizeof(rndis_channels)); | |
2888 | memcpy(priv->rates, rndis_rates, sizeof(rndis_rates)); | |
2889 | priv->band.channels = priv->channels; | |
2890 | priv->band.n_channels = ARRAY_SIZE(rndis_channels); | |
2891 | priv->band.bitrates = priv->rates; | |
2892 | priv->band.n_bitrates = ARRAY_SIZE(rndis_rates); | |
2893 | wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; | |
4d2a369e | 2894 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; |
5c8fa4f7 JL |
2895 | |
2896 | set_wiphy_dev(wiphy, &usbdev->udev->dev); | |
2897 | ||
2898 | if (wiphy_register(wiphy)) { | |
eb1a685e JK |
2899 | retval = -ENODEV; |
2900 | goto fail; | |
5c8fa4f7 JL |
2901 | } |
2902 | ||
a19d7292 | 2903 | set_default_iw_params(usbdev); |
bf164cc0 | 2904 | |
d75ec2b7 JK |
2905 | /* set default rts/frag */ |
2906 | rndis_set_wiphy_params(wiphy, | |
2907 | WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD); | |
2908 | ||
bf164cc0 JK |
2909 | /* turn radio on */ |
2910 | priv->radio_on = 1; | |
a19d7292 JK |
2911 | disassociate(usbdev, 1); |
2912 | netif_carrier_off(usbdev->net); | |
bf164cc0 | 2913 | |
bf164cc0 JK |
2914 | return 0; |
2915 | ||
2916 | fail: | |
8d4d99ae JK |
2917 | cancel_delayed_work_sync(&priv->stats_work); |
2918 | cancel_delayed_work_sync(&priv->scan_work); | |
2919 | cancel_work_sync(&priv->work); | |
2920 | flush_workqueue(priv->workqueue); | |
2921 | destroy_workqueue(priv->workqueue); | |
2922 | ||
eb1a685e | 2923 | wiphy_free(wiphy); |
bf164cc0 JK |
2924 | return retval; |
2925 | } | |
2926 | ||
2927 | ||
582241a0 | 2928 | static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2929 | { |
582241a0 | 2930 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2931 | |
2932 | /* turn radio off */ | |
a19d7292 | 2933 | disassociate(usbdev, 0); |
bf164cc0 JK |
2934 | |
2935 | cancel_delayed_work_sync(&priv->stats_work); | |
71a7b26d | 2936 | cancel_delayed_work_sync(&priv->scan_work); |
bf164cc0 JK |
2937 | cancel_work_sync(&priv->work); |
2938 | flush_workqueue(priv->workqueue); | |
2939 | destroy_workqueue(priv->workqueue); | |
2940 | ||
2941 | if (priv && priv->wpa_ie_len) | |
2942 | kfree(priv->wpa_ie); | |
bf164cc0 | 2943 | |
a19d7292 | 2944 | rndis_unbind(usbdev, intf); |
5c8fa4f7 JL |
2945 | |
2946 | wiphy_unregister(priv->wdev.wiphy); | |
2947 | wiphy_free(priv->wdev.wiphy); | |
bf164cc0 JK |
2948 | } |
2949 | ||
2950 | ||
582241a0 | 2951 | static int rndis_wlan_reset(struct usbnet *usbdev) |
bf164cc0 | 2952 | { |
110736de | 2953 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
7eaab708 | 2954 | int retval; |
110736de | 2955 | |
222ec50a | 2956 | devdbg(usbdev, "rndis_wlan_reset"); |
110736de | 2957 | |
7eaab708 JK |
2958 | retval = rndis_reset(usbdev); |
2959 | if (retval) | |
2960 | devwarn(usbdev, "rndis_reset() failed: %d", retval); | |
2961 | ||
e5a11a82 JK |
2962 | /* rndis_reset cleared multicast list, so restore here. |
2963 | (set_multicast_list() also turns on current packet filter) */ | |
7eaab708 JK |
2964 | set_multicast_list(usbdev); |
2965 | ||
110736de JK |
2966 | queue_delayed_work(priv->workqueue, &priv->stats_work, |
2967 | round_jiffies_relative(STATS_UPDATE_JIFFIES)); | |
2968 | ||
a19d7292 | 2969 | return deauthenticate(usbdev); |
bf164cc0 JK |
2970 | } |
2971 | ||
2972 | ||
222ec50a JK |
2973 | static int rndis_wlan_stop(struct usbnet *usbdev) |
2974 | { | |
110736de JK |
2975 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2976 | int retval; | |
e5a11a82 | 2977 | __le32 filter; |
110736de | 2978 | |
222ec50a | 2979 | devdbg(usbdev, "rndis_wlan_stop"); |
110736de JK |
2980 | |
2981 | retval = disassociate(usbdev, 0); | |
2982 | ||
2983 | priv->work_pending = 0; | |
2984 | cancel_delayed_work_sync(&priv->stats_work); | |
2985 | cancel_delayed_work_sync(&priv->scan_work); | |
2986 | cancel_work_sync(&priv->work); | |
2987 | flush_workqueue(priv->workqueue); | |
2988 | ||
005ba2f1 JK |
2989 | if (priv->scan_request) { |
2990 | cfg80211_scan_done(priv->scan_request, true); | |
2991 | priv->scan_request = NULL; | |
2992 | } | |
2993 | ||
e5a11a82 JK |
2994 | /* Set current packet filter zero to block receiving data packets from |
2995 | device. */ | |
2996 | filter = 0; | |
2997 | rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
2998 | sizeof(filter)); | |
2999 | ||
110736de | 3000 | return retval; |
222ec50a JK |
3001 | } |
3002 | ||
3003 | ||
bf164cc0 JK |
3004 | static const struct driver_info bcm4320b_info = { |
3005 | .description = "Wireless RNDIS device, BCM4320b based", | |
1487cd5e JK |
3006 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3007 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3008 | .bind = rndis_wlan_bind, |
3009 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3010 | .status = rndis_status, |
3011 | .rx_fixup = rndis_rx_fixup, | |
3012 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3013 | .reset = rndis_wlan_reset, |
222ec50a | 3014 | .stop = rndis_wlan_stop, |
59620e9f | 3015 | .early_init = bcm4320b_early_init, |
2a4901bc | 3016 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3017 | }; |
3018 | ||
3019 | static const struct driver_info bcm4320a_info = { | |
3020 | .description = "Wireless RNDIS device, BCM4320a based", | |
1487cd5e JK |
3021 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3022 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3023 | .bind = rndis_wlan_bind, |
3024 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3025 | .status = rndis_status, |
3026 | .rx_fixup = rndis_rx_fixup, | |
3027 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3028 | .reset = rndis_wlan_reset, |
222ec50a | 3029 | .stop = rndis_wlan_stop, |
59620e9f | 3030 | .early_init = bcm4320a_early_init, |
2a4901bc | 3031 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3032 | }; |
3033 | ||
582241a0 | 3034 | static const struct driver_info rndis_wlan_info = { |
bf164cc0 | 3035 | .description = "Wireless RNDIS device", |
1487cd5e JK |
3036 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3037 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3038 | .bind = rndis_wlan_bind, |
3039 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3040 | .status = rndis_status, |
3041 | .rx_fixup = rndis_rx_fixup, | |
3042 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3043 | .reset = rndis_wlan_reset, |
222ec50a | 3044 | .stop = rndis_wlan_stop, |
59620e9f | 3045 | .early_init = bcm4320a_early_init, |
2a4901bc | 3046 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3047 | }; |
3048 | ||
3049 | /*-------------------------------------------------------------------------*/ | |
3050 | ||
3051 | static const struct usb_device_id products [] = { | |
3052 | #define RNDIS_MASTER_INTERFACE \ | |
3053 | .bInterfaceClass = USB_CLASS_COMM, \ | |
3054 | .bInterfaceSubClass = 2 /* ACM */, \ | |
3055 | .bInterfaceProtocol = 0x0ff | |
3056 | ||
3057 | /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom | |
3058 | * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki. | |
3059 | */ | |
3060 | { | |
3061 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3062 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3063 | .idVendor = 0x0411, | |
3064 | .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */ | |
3065 | RNDIS_MASTER_INTERFACE, | |
3066 | .driver_info = (unsigned long) &bcm4320b_info, | |
3067 | }, { | |
3068 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3069 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3070 | .idVendor = 0x0baf, | |
3071 | .idProduct = 0x011b, /* U.S. Robotics USR5421 */ | |
3072 | RNDIS_MASTER_INTERFACE, | |
3073 | .driver_info = (unsigned long) &bcm4320b_info, | |
3074 | }, { | |
3075 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3076 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3077 | .idVendor = 0x050d, | |
3078 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
3079 | RNDIS_MASTER_INTERFACE, | |
3080 | .driver_info = (unsigned long) &bcm4320b_info, | |
3081 | }, { | |
3082 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3083 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3084 | .idVendor = 0x1799, /* Belkin has two vendor ids */ | |
3085 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
3086 | RNDIS_MASTER_INTERFACE, | |
3087 | .driver_info = (unsigned long) &bcm4320b_info, | |
3088 | }, { | |
3089 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3090 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3091 | .idVendor = 0x13b1, | |
3092 | .idProduct = 0x0014, /* Linksys WUSB54GSv2 */ | |
3093 | RNDIS_MASTER_INTERFACE, | |
3094 | .driver_info = (unsigned long) &bcm4320b_info, | |
3095 | }, { | |
3096 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3097 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3098 | .idVendor = 0x13b1, | |
3099 | .idProduct = 0x0026, /* Linksys WUSB54GSC */ | |
3100 | RNDIS_MASTER_INTERFACE, | |
3101 | .driver_info = (unsigned long) &bcm4320b_info, | |
3102 | }, { | |
3103 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3104 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3105 | .idVendor = 0x0b05, | |
3106 | .idProduct = 0x1717, /* Asus WL169gE */ | |
3107 | RNDIS_MASTER_INTERFACE, | |
3108 | .driver_info = (unsigned long) &bcm4320b_info, | |
3109 | }, { | |
3110 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3111 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3112 | .idVendor = 0x0a5c, | |
3113 | .idProduct = 0xd11b, /* Eminent EM4045 */ | |
3114 | RNDIS_MASTER_INTERFACE, | |
3115 | .driver_info = (unsigned long) &bcm4320b_info, | |
3116 | }, { | |
3117 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3118 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3119 | .idVendor = 0x1690, | |
3120 | .idProduct = 0x0715, /* BT Voyager 1055 */ | |
3121 | RNDIS_MASTER_INTERFACE, | |
3122 | .driver_info = (unsigned long) &bcm4320b_info, | |
3123 | }, | |
3124 | /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom | |
3125 | * parameters available, hardware probably contain older firmware version with | |
3126 | * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki. | |
3127 | */ | |
3128 | { | |
3129 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3130 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3131 | .idVendor = 0x13b1, | |
3132 | .idProduct = 0x000e, /* Linksys WUSB54GSv1 */ | |
3133 | RNDIS_MASTER_INTERFACE, | |
3134 | .driver_info = (unsigned long) &bcm4320a_info, | |
3135 | }, { | |
3136 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3137 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3138 | .idVendor = 0x0baf, | |
3139 | .idProduct = 0x0111, /* U.S. Robotics USR5420 */ | |
3140 | RNDIS_MASTER_INTERFACE, | |
3141 | .driver_info = (unsigned long) &bcm4320a_info, | |
3142 | }, { | |
3143 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3144 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3145 | .idVendor = 0x0411, | |
3146 | .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */ | |
3147 | RNDIS_MASTER_INTERFACE, | |
3148 | .driver_info = (unsigned long) &bcm4320a_info, | |
3149 | }, | |
3150 | /* Generic Wireless RNDIS devices that we don't have exact | |
3151 | * idVendor/idProduct/chip yet. | |
3152 | */ | |
3153 | { | |
3154 | /* RNDIS is MSFT's un-official variant of CDC ACM */ | |
3155 | USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), | |
582241a0 | 3156 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3157 | }, { |
3158 | /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ | |
3159 | USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), | |
582241a0 | 3160 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3161 | }, |
3162 | { }, // END | |
3163 | }; | |
3164 | MODULE_DEVICE_TABLE(usb, products); | |
3165 | ||
3166 | static struct usb_driver rndis_wlan_driver = { | |
3167 | .name = "rndis_wlan", | |
3168 | .id_table = products, | |
3169 | .probe = usbnet_probe, | |
3170 | .disconnect = usbnet_disconnect, | |
3171 | .suspend = usbnet_suspend, | |
3172 | .resume = usbnet_resume, | |
3173 | }; | |
3174 | ||
3175 | static int __init rndis_wlan_init(void) | |
3176 | { | |
3177 | return usb_register(&rndis_wlan_driver); | |
3178 | } | |
3179 | module_init(rndis_wlan_init); | |
3180 | ||
3181 | static void __exit rndis_wlan_exit(void) | |
3182 | { | |
3183 | usb_deregister(&rndis_wlan_driver); | |
3184 | } | |
3185 | module_exit(rndis_wlan_exit); | |
3186 | ||
3187 | MODULE_AUTHOR("Bjorge Dijkstra"); | |
3188 | MODULE_AUTHOR("Jussi Kivilinna"); | |
3189 | MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); | |
3190 | MODULE_LICENSE("GPL"); | |
3191 |