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 | ||
77593ae2 | 86 | static int modparam_workaround_interval; |
bf164cc0 JK |
87 | module_param_named(workaround_interval, modparam_workaround_interval, |
88 | int, 0444); | |
89 | MODULE_PARM_DESC(workaround_interval, | |
77593ae2 | 90 | "set stall workaround interval in msecs (0=disabled) (default: 0)"); |
bf164cc0 JK |
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 { | |
53d27eaf JK |
256 | __le32 media_stream_mode; |
257 | __le32 radio_status; | |
030645ac JK |
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 JK |
361 | /* |
362 | * private data | |
363 | */ | |
364 | #define NET_TYPE_11FB 0 | |
365 | ||
366 | #define CAP_MODE_80211A 1 | |
367 | #define CAP_MODE_80211B 2 | |
368 | #define CAP_MODE_80211G 4 | |
369 | #define CAP_MODE_MASK 7 | |
bf164cc0 | 370 | |
6010ce07 JK |
371 | #define WORK_LINK_UP (1<<0) |
372 | #define WORK_LINK_DOWN (1<<1) | |
373 | #define WORK_SET_MULTICAST_LIST (1<<2) | |
bf164cc0 | 374 | |
5c52323e JK |
375 | #define RNDIS_WLAN_ALG_NONE 0 |
376 | #define RNDIS_WLAN_ALG_WEP (1<<0) | |
377 | #define RNDIS_WLAN_ALG_TKIP (1<<1) | |
378 | #define RNDIS_WLAN_ALG_CCMP (1<<2) | |
379 | ||
380 | #define RNDIS_WLAN_KEY_MGMT_NONE 0 | |
381 | #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0) | |
382 | #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1) | |
383 | ||
90d07349 JK |
384 | #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) |
385 | ||
5c8fa4f7 JL |
386 | static const struct ieee80211_channel rndis_channels[] = { |
387 | { .center_freq = 2412 }, | |
388 | { .center_freq = 2417 }, | |
389 | { .center_freq = 2422 }, | |
390 | { .center_freq = 2427 }, | |
391 | { .center_freq = 2432 }, | |
392 | { .center_freq = 2437 }, | |
393 | { .center_freq = 2442 }, | |
394 | { .center_freq = 2447 }, | |
395 | { .center_freq = 2452 }, | |
396 | { .center_freq = 2457 }, | |
397 | { .center_freq = 2462 }, | |
398 | { .center_freq = 2467 }, | |
399 | { .center_freq = 2472 }, | |
400 | { .center_freq = 2484 }, | |
401 | }; | |
402 | ||
403 | static const struct ieee80211_rate rndis_rates[] = { | |
404 | { .bitrate = 10 }, | |
405 | { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
406 | { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
407 | { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
408 | { .bitrate = 60 }, | |
409 | { .bitrate = 90 }, | |
410 | { .bitrate = 120 }, | |
411 | { .bitrate = 180 }, | |
412 | { .bitrate = 240 }, | |
413 | { .bitrate = 360 }, | |
414 | { .bitrate = 480 }, | |
415 | { .bitrate = 540 } | |
416 | }; | |
417 | ||
4a7f13ee JK |
418 | static const u32 rndis_cipher_suites[] = { |
419 | WLAN_CIPHER_SUITE_WEP40, | |
420 | WLAN_CIPHER_SUITE_WEP104, | |
421 | WLAN_CIPHER_SUITE_TKIP, | |
422 | WLAN_CIPHER_SUITE_CCMP, | |
423 | }; | |
424 | ||
b7cfc5b3 JK |
425 | struct rndis_wlan_encr_key { |
426 | int len; | |
84bf8400 | 427 | u32 cipher; |
b7cfc5b3 JK |
428 | u8 material[32]; |
429 | u8 bssid[ETH_ALEN]; | |
430 | bool pairwise; | |
431 | bool tx_key; | |
432 | }; | |
433 | ||
bf164cc0 | 434 | /* RNDIS device private data */ |
582241a0 | 435 | struct rndis_wlan_private { |
bf164cc0 JK |
436 | struct usbnet *usbdev; |
437 | ||
5c8fa4f7 JL |
438 | struct wireless_dev wdev; |
439 | ||
71a7b26d JK |
440 | struct cfg80211_scan_request *scan_request; |
441 | ||
bf164cc0 | 442 | struct workqueue_struct *workqueue; |
305e243e | 443 | struct delayed_work dev_poller_work; |
71a7b26d | 444 | struct delayed_work scan_work; |
bf164cc0 JK |
445 | struct work_struct work; |
446 | struct mutex command_lock; | |
bf164cc0 | 447 | unsigned long work_pending; |
8b89a288 | 448 | int last_qual; |
bf164cc0 | 449 | |
5c8fa4f7 JL |
450 | struct ieee80211_supported_band band; |
451 | struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)]; | |
452 | struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)]; | |
4a7f13ee | 453 | u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)]; |
5c8fa4f7 | 454 | |
bf164cc0 JK |
455 | int caps; |
456 | int multicast_size; | |
457 | ||
458 | /* module parameters */ | |
459 | char param_country[4]; | |
460 | int param_frameburst; | |
461 | int param_afterburner; | |
462 | int param_power_save; | |
463 | int param_power_output; | |
464 | int param_roamtrigger; | |
465 | int param_roamdelta; | |
466 | u32 param_workaround_interval; | |
467 | ||
468 | /* hardware state */ | |
051ae0bf | 469 | bool radio_on; |
bf164cc0 | 470 | int infra_mode; |
5c52323e | 471 | bool connected; |
8b89a288 | 472 | u8 bssid[ETH_ALEN]; |
1e41e1d2 | 473 | struct ndis_80211_ssid essid; |
5f81ff5a | 474 | __le32 current_command_oid; |
bf164cc0 JK |
475 | |
476 | /* encryption stuff */ | |
477 | int encr_tx_key_index; | |
b7cfc5b3 | 478 | struct rndis_wlan_encr_key encr_keys[4]; |
5c52323e | 479 | enum nl80211_auth_type wpa_auth_type; |
bf164cc0 JK |
480 | int wpa_version; |
481 | int wpa_keymgmt; | |
bf164cc0 JK |
482 | int wpa_ie_len; |
483 | u8 *wpa_ie; | |
484 | int wpa_cipher_pair; | |
485 | int wpa_cipher_group; | |
90d07349 JK |
486 | |
487 | u8 command_buffer[COMMAND_BUFFER_SIZE]; | |
bf164cc0 JK |
488 | }; |
489 | ||
964c1d41 JL |
490 | /* |
491 | * cfg80211 ops | |
492 | */ | |
e36d56b6 JB |
493 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
494 | struct net_device *dev, | |
964c1d41 JL |
495 | enum nl80211_iftype type, u32 *flags, |
496 | struct vif_params *params); | |
497 | ||
71a7b26d JK |
498 | static int rndis_scan(struct wiphy *wiphy, struct net_device *dev, |
499 | struct cfg80211_scan_request *request); | |
500 | ||
d75ec2b7 JK |
501 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed); |
502 | ||
222ec50a JK |
503 | static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type, |
504 | int dbm); | |
505 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm); | |
506 | ||
5c52323e JK |
507 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
508 | struct cfg80211_connect_params *sme); | |
509 | ||
510 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
511 | u16 reason_code); | |
512 | ||
513 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
514 | struct cfg80211_ibss_params *params); | |
515 | ||
516 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev); | |
517 | ||
5554adbe JK |
518 | static int rndis_set_channel(struct wiphy *wiphy, |
519 | struct ieee80211_channel *chan, enum nl80211_channel_type channel_type); | |
520 | ||
84bf8400 JK |
521 | static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
522 | u8 key_index, const u8 *mac_addr, | |
523 | struct key_params *params); | |
524 | ||
525 | static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
526 | u8 key_index, const u8 *mac_addr); | |
527 | ||
528 | static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
529 | u8 key_index); | |
530 | ||
8b89a288 JK |
531 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, |
532 | u8 *mac, struct station_info *sinfo); | |
533 | ||
d695df90 JK |
534 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
535 | int idx, u8 *mac, struct station_info *sinfo); | |
536 | ||
caa6dfad | 537 | static struct cfg80211_ops rndis_config_ops = { |
964c1d41 | 538 | .change_virtual_intf = rndis_change_virtual_intf, |
71a7b26d | 539 | .scan = rndis_scan, |
d75ec2b7 | 540 | .set_wiphy_params = rndis_set_wiphy_params, |
222ec50a JK |
541 | .set_tx_power = rndis_set_tx_power, |
542 | .get_tx_power = rndis_get_tx_power, | |
5c52323e JK |
543 | .connect = rndis_connect, |
544 | .disconnect = rndis_disconnect, | |
545 | .join_ibss = rndis_join_ibss, | |
546 | .leave_ibss = rndis_leave_ibss, | |
5554adbe | 547 | .set_channel = rndis_set_channel, |
84bf8400 JK |
548 | .add_key = rndis_add_key, |
549 | .del_key = rndis_del_key, | |
550 | .set_default_key = rndis_set_default_key, | |
8b89a288 | 551 | .get_station = rndis_get_station, |
d695df90 | 552 | .dump_station = rndis_dump_station, |
964c1d41 | 553 | }; |
bf164cc0 | 554 | |
caa6dfad | 555 | static void *rndis_wiphy_privid = &rndis_wiphy_privid; |
bf164cc0 | 556 | |
bf164cc0 | 557 | |
582241a0 | 558 | static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev) |
bf164cc0 | 559 | { |
582241a0 | 560 | return (struct rndis_wlan_private *)dev->driver_priv; |
bf164cc0 JK |
561 | } |
562 | ||
222ec50a | 563 | static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv) |
bf164cc0 | 564 | { |
222ec50a JK |
565 | switch (priv->param_power_output) { |
566 | default: | |
567 | case 3: | |
568 | return BCM4320_DEFAULT_TXPOWER_DBM_100; | |
569 | case 2: | |
570 | return BCM4320_DEFAULT_TXPOWER_DBM_75; | |
571 | case 1: | |
572 | return BCM4320_DEFAULT_TXPOWER_DBM_50; | |
573 | case 0: | |
574 | return BCM4320_DEFAULT_TXPOWER_DBM_25; | |
575 | } | |
bf164cc0 JK |
576 | } |
577 | ||
b7cfc5b3 JK |
578 | static bool is_wpa_key(struct rndis_wlan_private *priv, int idx) |
579 | { | |
580 | int cipher = priv->encr_keys[idx].cipher; | |
581 | ||
582 | return (cipher == WLAN_CIPHER_SUITE_CCMP || | |
583 | cipher == WLAN_CIPHER_SUITE_TKIP); | |
584 | } | |
585 | ||
5c52323e JK |
586 | static int rndis_cipher_to_alg(u32 cipher) |
587 | { | |
588 | switch (cipher) { | |
589 | default: | |
590 | return RNDIS_WLAN_ALG_NONE; | |
591 | case WLAN_CIPHER_SUITE_WEP40: | |
592 | case WLAN_CIPHER_SUITE_WEP104: | |
593 | return RNDIS_WLAN_ALG_WEP; | |
594 | case WLAN_CIPHER_SUITE_TKIP: | |
595 | return RNDIS_WLAN_ALG_TKIP; | |
596 | case WLAN_CIPHER_SUITE_CCMP: | |
597 | return RNDIS_WLAN_ALG_CCMP; | |
598 | } | |
599 | } | |
600 | ||
601 | static int rndis_akm_suite_to_key_mgmt(u32 akm_suite) | |
602 | { | |
603 | switch (akm_suite) { | |
604 | default: | |
605 | return RNDIS_WLAN_KEY_MGMT_NONE; | |
606 | case WLAN_AKM_SUITE_8021X: | |
607 | return RNDIS_WLAN_KEY_MGMT_802_1X; | |
608 | case WLAN_AKM_SUITE_PSK: | |
609 | return RNDIS_WLAN_KEY_MGMT_PSK; | |
610 | } | |
611 | } | |
612 | ||
27b7b5c1 JK |
613 | #ifdef DEBUG |
614 | static const char *oid_to_string(__le32 oid) | |
615 | { | |
616 | switch (oid) { | |
617 | #define OID_STR(oid) case oid: return(#oid) | |
618 | /* from rndis_host.h */ | |
619 | OID_STR(OID_802_3_PERMANENT_ADDRESS); | |
620 | OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE); | |
621 | OID_STR(OID_GEN_CURRENT_PACKET_FILTER); | |
622 | OID_STR(OID_GEN_PHYSICAL_MEDIUM); | |
623 | ||
624 | /* from rndis_wlan.c */ | |
625 | OID_STR(OID_GEN_LINK_SPEED); | |
626 | OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER); | |
627 | ||
628 | OID_STR(OID_GEN_XMIT_OK); | |
629 | OID_STR(OID_GEN_RCV_OK); | |
630 | OID_STR(OID_GEN_XMIT_ERROR); | |
631 | OID_STR(OID_GEN_RCV_ERROR); | |
632 | OID_STR(OID_GEN_RCV_NO_BUFFER); | |
633 | ||
634 | OID_STR(OID_802_3_CURRENT_ADDRESS); | |
635 | OID_STR(OID_802_3_MULTICAST_LIST); | |
636 | OID_STR(OID_802_3_MAXIMUM_LIST_SIZE); | |
637 | ||
638 | OID_STR(OID_802_11_BSSID); | |
639 | OID_STR(OID_802_11_SSID); | |
640 | OID_STR(OID_802_11_INFRASTRUCTURE_MODE); | |
641 | OID_STR(OID_802_11_ADD_WEP); | |
642 | OID_STR(OID_802_11_REMOVE_WEP); | |
643 | OID_STR(OID_802_11_DISASSOCIATE); | |
644 | OID_STR(OID_802_11_AUTHENTICATION_MODE); | |
645 | OID_STR(OID_802_11_PRIVACY_FILTER); | |
646 | OID_STR(OID_802_11_BSSID_LIST_SCAN); | |
647 | OID_STR(OID_802_11_ENCRYPTION_STATUS); | |
648 | OID_STR(OID_802_11_ADD_KEY); | |
649 | OID_STR(OID_802_11_REMOVE_KEY); | |
650 | OID_STR(OID_802_11_ASSOCIATION_INFORMATION); | |
651 | OID_STR(OID_802_11_PMKID); | |
652 | OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED); | |
653 | OID_STR(OID_802_11_NETWORK_TYPE_IN_USE); | |
654 | OID_STR(OID_802_11_TX_POWER_LEVEL); | |
655 | OID_STR(OID_802_11_RSSI); | |
656 | OID_STR(OID_802_11_RSSI_TRIGGER); | |
657 | OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD); | |
658 | OID_STR(OID_802_11_RTS_THRESHOLD); | |
659 | OID_STR(OID_802_11_SUPPORTED_RATES); | |
660 | OID_STR(OID_802_11_CONFIGURATION); | |
661 | OID_STR(OID_802_11_BSSID_LIST); | |
662 | #undef OID_STR | |
663 | } | |
664 | ||
665 | return "?"; | |
666 | } | |
667 | #else | |
668 | static const char *oid_to_string(__le32 oid) | |
669 | { | |
670 | return "?"; | |
671 | } | |
672 | #endif | |
673 | ||
bf164cc0 JK |
674 | /* translate error code */ |
675 | static int rndis_error_status(__le32 rndis_status) | |
676 | { | |
677 | int ret = -EINVAL; | |
678 | switch (rndis_status) { | |
679 | case RNDIS_STATUS_SUCCESS: | |
680 | ret = 0; | |
681 | break; | |
682 | case RNDIS_STATUS_FAILURE: | |
683 | case RNDIS_STATUS_INVALID_DATA: | |
684 | ret = -EINVAL; | |
685 | break; | |
686 | case RNDIS_STATUS_NOT_SUPPORTED: | |
687 | ret = -EOPNOTSUPP; | |
688 | break; | |
689 | case RNDIS_STATUS_ADAPTER_NOT_READY: | |
690 | case RNDIS_STATUS_ADAPTER_NOT_OPEN: | |
691 | ret = -EBUSY; | |
692 | break; | |
693 | } | |
694 | return ret; | |
695 | } | |
696 | ||
bf164cc0 JK |
697 | static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len) |
698 | { | |
582241a0 | 699 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
700 | union { |
701 | void *buf; | |
702 | struct rndis_msg_hdr *header; | |
703 | struct rndis_query *get; | |
704 | struct rndis_query_c *get_c; | |
705 | } u; | |
706 | int ret, buflen; | |
707 | ||
708 | buflen = *len + sizeof(*u.get); | |
709 | if (buflen < CONTROL_BUFFER_SIZE) | |
710 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
711 | |
712 | if (buflen > COMMAND_BUFFER_SIZE) { | |
713 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
714 | if (!u.buf) | |
715 | return -ENOMEM; | |
716 | } else { | |
717 | u.buf = priv->command_buffer; | |
718 | } | |
719 | ||
720 | mutex_lock(&priv->command_lock); | |
721 | ||
bf164cc0 JK |
722 | memset(u.get, 0, sizeof *u.get); |
723 | u.get->msg_type = RNDIS_MSG_QUERY; | |
35c26c2c | 724 | u.get->msg_len = cpu_to_le32(sizeof *u.get); |
bf164cc0 JK |
725 | u.get->oid = oid; |
726 | ||
5f81ff5a | 727 | priv->current_command_oid = oid; |
818727ba | 728 | ret = rndis_command(dev, u.header, buflen); |
5f81ff5a | 729 | priv->current_command_oid = 0; |
27b7b5c1 JK |
730 | if (ret < 0) |
731 | devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d " | |
732 | "(%08x)", oid_to_string(oid), ret, | |
733 | le32_to_cpu(u.get_c->status)); | |
734 | ||
bf164cc0 | 735 | if (ret == 0) { |
c1f8ca1d JK |
736 | memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len); |
737 | ||
bf164cc0 | 738 | ret = le32_to_cpu(u.get_c->len); |
5fd8f250 JK |
739 | if (ret > *len) |
740 | *len = ret; | |
27b7b5c1 | 741 | |
c1f8ca1d | 742 | ret = rndis_error_status(u.get_c->status); |
27b7b5c1 JK |
743 | if (ret < 0) |
744 | devdbg(dev, "rndis_query_oid(%s): device returned " | |
745 | "error, 0x%08x (%d)", oid_to_string(oid), | |
746 | le32_to_cpu(u.get_c->status), ret); | |
bf164cc0 JK |
747 | } |
748 | ||
90d07349 JK |
749 | mutex_unlock(&priv->command_lock); |
750 | ||
751 | if (u.buf != priv->command_buffer) | |
752 | kfree(u.buf); | |
bf164cc0 JK |
753 | return ret; |
754 | } | |
755 | ||
bf164cc0 JK |
756 | static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len) |
757 | { | |
582241a0 | 758 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
759 | union { |
760 | void *buf; | |
761 | struct rndis_msg_hdr *header; | |
762 | struct rndis_set *set; | |
763 | struct rndis_set_c *set_c; | |
764 | } u; | |
765 | int ret, buflen; | |
766 | ||
767 | buflen = len + sizeof(*u.set); | |
768 | if (buflen < CONTROL_BUFFER_SIZE) | |
769 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
770 | |
771 | if (buflen > COMMAND_BUFFER_SIZE) { | |
772 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
773 | if (!u.buf) | |
774 | return -ENOMEM; | |
775 | } else { | |
776 | u.buf = priv->command_buffer; | |
777 | } | |
778 | ||
779 | mutex_lock(&priv->command_lock); | |
bf164cc0 JK |
780 | |
781 | memset(u.set, 0, sizeof *u.set); | |
782 | u.set->msg_type = RNDIS_MSG_SET; | |
783 | u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); | |
784 | u.set->oid = oid; | |
785 | u.set->len = cpu_to_le32(len); | |
35c26c2c HH |
786 | u.set->offset = cpu_to_le32(sizeof(*u.set) - 8); |
787 | u.set->handle = cpu_to_le32(0); | |
bf164cc0 JK |
788 | memcpy(u.buf + sizeof(*u.set), data, len); |
789 | ||
5f81ff5a | 790 | priv->current_command_oid = oid; |
818727ba | 791 | ret = rndis_command(dev, u.header, buflen); |
5f81ff5a | 792 | priv->current_command_oid = 0; |
27b7b5c1 JK |
793 | if (ret < 0) |
794 | devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d " | |
795 | "(%08x)", oid_to_string(oid), ret, | |
796 | le32_to_cpu(u.set_c->status)); | |
797 | ||
798 | if (ret == 0) { | |
bf164cc0 JK |
799 | ret = rndis_error_status(u.set_c->status); |
800 | ||
27b7b5c1 JK |
801 | if (ret < 0) |
802 | devdbg(dev, "rndis_set_oid(%s): device returned error, " | |
803 | "0x%08x (%d)", oid_to_string(oid), | |
804 | le32_to_cpu(u.set_c->status), ret); | |
805 | } | |
806 | ||
90d07349 JK |
807 | mutex_unlock(&priv->command_lock); |
808 | ||
809 | if (u.buf != priv->command_buffer) | |
810 | kfree(u.buf); | |
bf164cc0 JK |
811 | return ret; |
812 | } | |
813 | ||
7eaab708 JK |
814 | static int rndis_reset(struct usbnet *usbdev) |
815 | { | |
816 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
817 | struct rndis_reset *reset; | |
818 | int ret; | |
819 | ||
820 | mutex_lock(&priv->command_lock); | |
821 | ||
822 | reset = (void *)priv->command_buffer; | |
823 | memset(reset, 0, sizeof(*reset)); | |
824 | reset->msg_type = RNDIS_MSG_RESET; | |
825 | reset->msg_len = cpu_to_le32(sizeof(*reset)); | |
5f81ff5a | 826 | priv->current_command_oid = 0; |
7eaab708 JK |
827 | ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE); |
828 | ||
829 | mutex_unlock(&priv->command_lock); | |
830 | ||
831 | if (ret < 0) | |
832 | return ret; | |
833 | return 0; | |
834 | } | |
835 | ||
bf164cc0 JK |
836 | /* |
837 | * Specs say that we can only set config parameters only soon after device | |
838 | * initialization. | |
839 | * value_type: 0 = u32, 2 = unicode string | |
840 | */ | |
841 | static int rndis_set_config_parameter(struct usbnet *dev, char *param, | |
842 | int value_type, void *value) | |
843 | { | |
1e41e1d2 | 844 | struct ndis_config_param *infobuf; |
bf164cc0 JK |
845 | int value_len, info_len, param_len, ret, i; |
846 | __le16 *unibuf; | |
847 | __le32 *dst_value; | |
848 | ||
849 | if (value_type == 0) | |
850 | value_len = sizeof(__le32); | |
851 | else if (value_type == 2) | |
852 | value_len = strlen(value) * sizeof(__le16); | |
853 | else | |
854 | return -EINVAL; | |
855 | ||
856 | param_len = strlen(param) * sizeof(__le16); | |
857 | info_len = sizeof(*infobuf) + param_len + value_len; | |
858 | ||
859 | #ifdef DEBUG | |
860 | info_len += 12; | |
861 | #endif | |
862 | infobuf = kmalloc(info_len, GFP_KERNEL); | |
863 | if (!infobuf) | |
864 | return -ENOMEM; | |
865 | ||
866 | #ifdef DEBUG | |
867 | info_len -= 12; | |
868 | /* extra 12 bytes are for padding (debug output) */ | |
869 | memset(infobuf, 0xCC, info_len + 12); | |
870 | #endif | |
871 | ||
872 | if (value_type == 2) | |
873 | devdbg(dev, "setting config parameter: %s, value: %s", | |
874 | param, (u8 *)value); | |
875 | else | |
876 | devdbg(dev, "setting config parameter: %s, value: %d", | |
877 | param, *(u32 *)value); | |
878 | ||
461b3f2a JK |
879 | infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); |
880 | infobuf->name_length = cpu_to_le32(param_len); | |
881 | infobuf->type = cpu_to_le32(value_type); | |
882 | infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); | |
883 | infobuf->value_length = cpu_to_le32(value_len); | |
bf164cc0 JK |
884 | |
885 | /* simple string to unicode string conversion */ | |
886 | unibuf = (void *)infobuf + sizeof(*infobuf); | |
887 | for (i = 0; i < param_len / sizeof(__le16); i++) | |
888 | unibuf[i] = cpu_to_le16(param[i]); | |
889 | ||
890 | if (value_type == 2) { | |
891 | unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; | |
892 | for (i = 0; i < value_len / sizeof(__le16); i++) | |
893 | unibuf[i] = cpu_to_le16(((u8 *)value)[i]); | |
894 | } else { | |
895 | dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; | |
896 | *dst_value = cpu_to_le32(*(u32 *)value); | |
897 | } | |
898 | ||
899 | #ifdef DEBUG | |
900 | devdbg(dev, "info buffer (len: %d):", info_len); | |
901 | for (i = 0; i < info_len; i += 12) { | |
902 | u32 *tmp = (u32 *)((u8 *)infobuf + i); | |
903 | devdbg(dev, "%08X:%08X:%08X", | |
904 | cpu_to_be32(tmp[0]), | |
905 | cpu_to_be32(tmp[1]), | |
906 | cpu_to_be32(tmp[2])); | |
907 | } | |
908 | #endif | |
909 | ||
910 | ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER, | |
911 | infobuf, info_len); | |
912 | if (ret != 0) | |
6d60f9df | 913 | devdbg(dev, "setting rndis config parameter failed, %d.", ret); |
bf164cc0 JK |
914 | |
915 | kfree(infobuf); | |
916 | return ret; | |
917 | } | |
918 | ||
919 | static int rndis_set_config_parameter_str(struct usbnet *dev, | |
920 | char *param, char *value) | |
921 | { | |
c5c4fe90 | 922 | return rndis_set_config_parameter(dev, param, 2, value); |
bf164cc0 JK |
923 | } |
924 | ||
bf164cc0 JK |
925 | /* |
926 | * data conversion functions | |
927 | */ | |
928 | static int level_to_qual(int level) | |
929 | { | |
930 | int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); | |
931 | return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; | |
932 | } | |
933 | ||
bf164cc0 JK |
934 | /* |
935 | * common functions | |
936 | */ | |
9f77ccab | 937 | static int set_infra_mode(struct usbnet *usbdev, int mode); |
b7cfc5b3 | 938 | static void restore_keys(struct usbnet *usbdev); |
db0dd396 | 939 | static int rndis_check_bssid_list(struct usbnet *usbdev); |
bf164cc0 | 940 | |
1e41e1d2 | 941 | static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 | 942 | { |
582241a0 | 943 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
944 | int ret; |
945 | ||
946 | ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid)); | |
5c52323e JK |
947 | if (ret < 0) { |
948 | devwarn(usbdev, "setting SSID failed (%08X)", ret); | |
949 | return ret; | |
950 | } | |
bf164cc0 JK |
951 | if (ret == 0) { |
952 | memcpy(&priv->essid, ssid, sizeof(priv->essid)); | |
051ae0bf JK |
953 | priv->radio_on = true; |
954 | devdbg(usbdev, "set_essid: radio_on = true"); | |
bf164cc0 JK |
955 | } |
956 | ||
957 | return ret; | |
958 | } | |
959 | ||
5c52323e JK |
960 | static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) |
961 | { | |
962 | int ret; | |
963 | ||
964 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); | |
965 | if (ret < 0) { | |
966 | devwarn(usbdev, "setting BSSID[%pM] failed (%08X)", bssid, ret); | |
967 | return ret; | |
968 | } | |
969 | ||
970 | return ret; | |
971 | } | |
972 | ||
973 | static int clear_bssid(struct usbnet *usbdev) | |
974 | { | |
975 | u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; | |
976 | ||
977 | return set_bssid(usbdev, broadcast_mac); | |
978 | } | |
bf164cc0 JK |
979 | |
980 | static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) | |
981 | { | |
982 | int ret, len; | |
983 | ||
984 | len = ETH_ALEN; | |
985 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len); | |
986 | ||
987 | if (ret != 0) | |
988 | memset(bssid, 0, ETH_ALEN); | |
989 | ||
990 | return ret; | |
991 | } | |
992 | ||
4364623c SA |
993 | static int get_association_info(struct usbnet *usbdev, |
994 | struct ndis_80211_assoc_info *info, int len) | |
995 | { | |
996 | return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, | |
997 | info, &len); | |
998 | } | |
bf164cc0 | 999 | |
5c52323e | 1000 | static bool is_associated(struct usbnet *usbdev) |
bf164cc0 | 1001 | { |
5c52323e | 1002 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1003 | u8 bssid[ETH_ALEN]; |
1004 | int ret; | |
1005 | ||
5c52323e JK |
1006 | if (!priv->radio_on) |
1007 | return false; | |
1008 | ||
bf164cc0 JK |
1009 | ret = get_bssid(usbdev, bssid); |
1010 | ||
7b1fff99 | 1011 | return (ret == 0 && !is_zero_ether_addr(bssid)); |
bf164cc0 JK |
1012 | } |
1013 | ||
051ae0bf | 1014 | static int disassociate(struct usbnet *usbdev, bool reset_ssid) |
bf164cc0 | 1015 | { |
582241a0 | 1016 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1017 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
1018 | int i, ret = 0; |
1019 | ||
1020 | if (priv->radio_on) { | |
1021 | ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0); | |
1022 | if (ret == 0) { | |
051ae0bf JK |
1023 | priv->radio_on = false; |
1024 | devdbg(usbdev, "disassociate: radio_on = false"); | |
bf164cc0 JK |
1025 | |
1026 | if (reset_ssid) | |
1027 | msleep(100); | |
1028 | } | |
1029 | } | |
1030 | ||
1031 | /* disassociate causes radio to be turned off; if reset_ssid | |
1032 | * is given, set random ssid to enable radio */ | |
1033 | if (reset_ssid) { | |
9f77ccab JK |
1034 | /* Set device to infrastructure mode so we don't get ad-hoc |
1035 | * 'media connect' indications with the random ssid. | |
1036 | */ | |
1037 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
1038 | ||
461b3f2a JK |
1039 | ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
1040 | get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); | |
1041 | ssid.essid[0] = 0x1; | |
1042 | ssid.essid[1] = 0xff; | |
1043 | for (i = 2; i < sizeof(ssid.essid); i++) | |
1044 | ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); | |
bf164cc0 JK |
1045 | ret = set_essid(usbdev, &ssid); |
1046 | } | |
1047 | return ret; | |
1048 | } | |
1049 | ||
5c52323e JK |
1050 | static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version, |
1051 | enum nl80211_auth_type auth_type, int keymgmt) | |
bf164cc0 | 1052 | { |
582241a0 | 1053 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1054 | __le32 tmp; |
1055 | int auth_mode, ret; | |
1056 | ||
1057 | devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x " | |
5c52323e | 1058 | "keymgmt=0x%x", wpa_version, auth_type, keymgmt); |
bf164cc0 | 1059 | |
5c52323e JK |
1060 | if (wpa_version & NL80211_WPA_VERSION_2) { |
1061 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1062 | auth_mode = NDIS_80211_AUTH_WPA2; |
bf164cc0 | 1063 | else |
aa18294a | 1064 | auth_mode = NDIS_80211_AUTH_WPA2_PSK; |
5c52323e JK |
1065 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
1066 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1067 | auth_mode = NDIS_80211_AUTH_WPA; |
5c52323e | 1068 | else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK) |
aa18294a | 1069 | auth_mode = NDIS_80211_AUTH_WPA_PSK; |
bf164cc0 | 1070 | else |
aa18294a | 1071 | auth_mode = NDIS_80211_AUTH_WPA_NONE; |
5c52323e JK |
1072 | } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
1073 | auth_mode = NDIS_80211_AUTH_SHARED; | |
1074 | else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) | |
aa18294a | 1075 | auth_mode = NDIS_80211_AUTH_OPEN; |
634a555c JK |
1076 | else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC) |
1077 | auth_mode = NDIS_80211_AUTH_AUTO_SWITCH; | |
5c52323e JK |
1078 | else |
1079 | return -ENOTSUPP; | |
bf164cc0 JK |
1080 | |
1081 | tmp = cpu_to_le32(auth_mode); | |
1082 | ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, | |
1083 | sizeof(tmp)); | |
1084 | if (ret != 0) { | |
1085 | devwarn(usbdev, "setting auth mode failed (%08X)", ret); | |
1086 | return ret; | |
1087 | } | |
1088 | ||
1089 | priv->wpa_version = wpa_version; | |
5c52323e JK |
1090 | priv->wpa_auth_type = auth_type; |
1091 | priv->wpa_keymgmt = keymgmt; | |
1092 | ||
bf164cc0 JK |
1093 | return 0; |
1094 | } | |
1095 | ||
bf164cc0 JK |
1096 | static int set_priv_filter(struct usbnet *usbdev) |
1097 | { | |
582241a0 | 1098 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1099 | __le32 tmp; |
1100 | ||
1101 | devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version); | |
1102 | ||
5c52323e JK |
1103 | if (priv->wpa_version & NL80211_WPA_VERSION_2 || |
1104 | priv->wpa_version & NL80211_WPA_VERSION_1) | |
aa18294a | 1105 | tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP); |
bf164cc0 | 1106 | else |
aa18294a | 1107 | tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL); |
bf164cc0 JK |
1108 | |
1109 | return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp, | |
1110 | sizeof(tmp)); | |
1111 | } | |
1112 | ||
bf164cc0 JK |
1113 | static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) |
1114 | { | |
582241a0 | 1115 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1116 | __le32 tmp; |
1117 | int encr_mode, ret; | |
1118 | ||
1119 | devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x", | |
5c52323e | 1120 | pairwise, groupwise); |
bf164cc0 | 1121 | |
5c52323e | 1122 | if (pairwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1123 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1124 | else if (pairwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1125 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
5c52323e | 1126 | else if (pairwise & RNDIS_WLAN_ALG_WEP) |
aa18294a | 1127 | encr_mode = NDIS_80211_ENCR_WEP_ENABLED; |
5c52323e | 1128 | else if (groupwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1129 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1130 | else if (groupwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1131 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
bf164cc0 | 1132 | else |
aa18294a | 1133 | encr_mode = NDIS_80211_ENCR_DISABLED; |
bf164cc0 JK |
1134 | |
1135 | tmp = cpu_to_le32(encr_mode); | |
1136 | ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, | |
1137 | sizeof(tmp)); | |
1138 | if (ret != 0) { | |
1139 | devwarn(usbdev, "setting encr mode failed (%08X)", ret); | |
1140 | return ret; | |
1141 | } | |
1142 | ||
1143 | priv->wpa_cipher_pair = pairwise; | |
1144 | priv->wpa_cipher_group = groupwise; | |
1145 | return 0; | |
1146 | } | |
1147 | ||
bf164cc0 JK |
1148 | static int set_infra_mode(struct usbnet *usbdev, int mode) |
1149 | { | |
582241a0 | 1150 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 1151 | __le32 tmp; |
b7cfc5b3 | 1152 | int ret; |
bf164cc0 JK |
1153 | |
1154 | devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode); | |
1155 | ||
1156 | tmp = cpu_to_le32(mode); | |
1157 | ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, | |
1158 | sizeof(tmp)); | |
1159 | if (ret != 0) { | |
1160 | devwarn(usbdev, "setting infra mode failed (%08X)", ret); | |
1161 | return ret; | |
1162 | } | |
1163 | ||
1164 | /* NDIS drivers clear keys when infrastructure mode is | |
1165 | * changed. But Linux tools assume otherwise. So set the | |
1166 | * keys */ | |
b7cfc5b3 | 1167 | restore_keys(usbdev); |
bf164cc0 JK |
1168 | |
1169 | priv->infra_mode = mode; | |
1170 | return 0; | |
1171 | } | |
1172 | ||
d75ec2b7 JK |
1173 | static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) |
1174 | { | |
1175 | __le32 tmp; | |
1176 | ||
1177 | devdbg(usbdev, "set_rts_threshold %i", rts_threshold); | |
1178 | ||
1179 | if (rts_threshold < 0 || rts_threshold > 2347) | |
1180 | rts_threshold = 2347; | |
1181 | ||
1182 | tmp = cpu_to_le32(rts_threshold); | |
1183 | return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, | |
1184 | sizeof(tmp)); | |
1185 | } | |
1186 | ||
d75ec2b7 JK |
1187 | static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold) |
1188 | { | |
1189 | __le32 tmp; | |
1190 | ||
1191 | devdbg(usbdev, "set_frag_threshold %i", frag_threshold); | |
1192 | ||
1193 | if (frag_threshold < 256 || frag_threshold > 2346) | |
1194 | frag_threshold = 2346; | |
1195 | ||
1196 | tmp = cpu_to_le32(frag_threshold); | |
1197 | return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, | |
1198 | sizeof(tmp)); | |
1199 | } | |
1200 | ||
bf164cc0 JK |
1201 | static void set_default_iw_params(struct usbnet *usbdev) |
1202 | { | |
aa18294a | 1203 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); |
5c52323e JK |
1204 | set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM, |
1205 | RNDIS_WLAN_KEY_MGMT_NONE); | |
bf164cc0 | 1206 | set_priv_filter(usbdev); |
5c52323e | 1207 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1208 | } |
1209 | ||
bf164cc0 JK |
1210 | static int deauthenticate(struct usbnet *usbdev) |
1211 | { | |
1212 | int ret; | |
1213 | ||
051ae0bf | 1214 | ret = disassociate(usbdev, true); |
bf164cc0 JK |
1215 | set_default_iw_params(usbdev); |
1216 | return ret; | |
1217 | } | |
1218 | ||
5c52323e JK |
1219 | static int set_channel(struct usbnet *usbdev, int channel) |
1220 | { | |
1221 | struct ndis_80211_conf config; | |
1222 | unsigned int dsconfig; | |
1223 | int len, ret; | |
1224 | ||
1225 | devdbg(usbdev, "set_channel(%d)", channel); | |
1226 | ||
1227 | /* this OID is valid only when not associated */ | |
1228 | if (is_associated(usbdev)) | |
1229 | return 0; | |
1230 | ||
1231 | dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000; | |
1232 | ||
1233 | len = sizeof(config); | |
1234 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
1235 | if (ret < 0) { | |
1236 | devdbg(usbdev, "set_channel: querying configuration failed"); | |
1237 | return ret; | |
1238 | } | |
1239 | ||
1240 | config.ds_config = cpu_to_le32(dsconfig); | |
1241 | ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config, | |
1242 | sizeof(config)); | |
1243 | ||
1244 | devdbg(usbdev, "set_channel: %d -> %d", channel, ret); | |
1245 | ||
1246 | return ret; | |
1247 | } | |
1248 | ||
bf164cc0 | 1249 | /* index must be 0 - N, as per NDIS */ |
5c52323e JK |
1250 | static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len, |
1251 | int index) | |
bf164cc0 | 1252 | { |
582241a0 | 1253 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1254 | struct ndis_80211_wep_key ndis_key; |
84bf8400 JK |
1255 | u32 cipher; |
1256 | int ret; | |
1257 | ||
1258 | devdbg(usbdev, "add_wep_key(idx: %d, len: %d)", index, key_len); | |
bf164cc0 | 1259 | |
40ba60dd | 1260 | if ((key_len != 5 && key_len != 13) || index < 0 || index > 3) |
bf164cc0 JK |
1261 | return -EINVAL; |
1262 | ||
b7cfc5b3 JK |
1263 | if (key_len == 5) |
1264 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
1265 | else | |
1266 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
1267 | ||
bf164cc0 JK |
1268 | memset(&ndis_key, 0, sizeof(ndis_key)); |
1269 | ||
461b3f2a JK |
1270 | ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
1271 | ndis_key.length = cpu_to_le32(key_len); | |
1272 | ndis_key.index = cpu_to_le32(index); | |
1273 | memcpy(&ndis_key.material, key, key_len); | |
bf164cc0 JK |
1274 | |
1275 | if (index == priv->encr_tx_key_index) { | |
aa18294a | 1276 | ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY; |
5c52323e JK |
1277 | ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP, |
1278 | RNDIS_WLAN_ALG_NONE); | |
bf164cc0 JK |
1279 | if (ret) |
1280 | devwarn(usbdev, "encryption couldn't be enabled (%08X)", | |
1281 | ret); | |
1282 | } | |
1283 | ||
1284 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key, | |
1285 | sizeof(ndis_key)); | |
1286 | if (ret != 0) { | |
1287 | devwarn(usbdev, "adding encryption key %d failed (%08X)", | |
1288 | index+1, ret); | |
1289 | return ret; | |
1290 | } | |
1291 | ||
b7cfc5b3 JK |
1292 | priv->encr_keys[index].len = key_len; |
1293 | priv->encr_keys[index].cipher = cipher; | |
1294 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1295 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
bf164cc0 JK |
1296 | |
1297 | return 0; | |
1298 | } | |
1299 | ||
b145ee0c | 1300 | static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len, |
84bf8400 | 1301 | int index, const u8 *addr, const u8 *rx_seq, |
53d27eaf | 1302 | int seq_len, u32 cipher, __le32 flags) |
b145ee0c | 1303 | { |
582241a0 | 1304 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
b145ee0c | 1305 | struct ndis_80211_key ndis_key; |
b7cfc5b3 | 1306 | bool is_addr_ok; |
b145ee0c JK |
1307 | int ret; |
1308 | ||
b7cfc5b3 JK |
1309 | if (index < 0 || index >= 4) { |
1310 | devdbg(usbdev, "add_wpa_key: index out of range (%i)", index); | |
b145ee0c | 1311 | return -EINVAL; |
b7cfc5b3 JK |
1312 | } |
1313 | if (key_len > sizeof(ndis_key.material) || key_len < 0) { | |
1314 | devdbg(usbdev, "add_wpa_key: key length out of range (%i)", | |
1315 | key_len); | |
b145ee0c | 1316 | return -EINVAL; |
b7cfc5b3 | 1317 | } |
84bf8400 JK |
1318 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) { |
1319 | if (!rx_seq || seq_len <= 0) { | |
1320 | devdbg(usbdev, "add_wpa_key: recv seq flag without" | |
1321 | "buffer"); | |
1322 | return -EINVAL; | |
1323 | } | |
1324 | if (rx_seq && seq_len > sizeof(ndis_key.rsc)) { | |
1325 | devdbg(usbdev, "add_wpa_key: too big recv seq buffer"); | |
1326 | return -EINVAL; | |
1327 | } | |
b7cfc5b3 | 1328 | } |
84bf8400 | 1329 | |
7b1fff99 JK |
1330 | is_addr_ok = addr && !is_zero_ether_addr(addr) && |
1331 | !is_broadcast_ether_addr(addr); | |
b7cfc5b3 JK |
1332 | if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) { |
1333 | devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)", | |
1334 | addr); | |
b145ee0c | 1335 | return -EINVAL; |
b7cfc5b3 | 1336 | } |
b145ee0c JK |
1337 | |
1338 | devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index, | |
aa18294a JK |
1339 | !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY), |
1340 | !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY), | |
1341 | !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)); | |
b145ee0c JK |
1342 | |
1343 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
1344 | ||
1345 | ndis_key.size = cpu_to_le32(sizeof(ndis_key) - | |
1346 | sizeof(ndis_key.material) + key_len); | |
1347 | ndis_key.length = cpu_to_le32(key_len); | |
1348 | ndis_key.index = cpu_to_le32(index) | flags; | |
1349 | ||
b7cfc5b3 | 1350 | if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) { |
b145ee0c JK |
1351 | /* wpa_supplicant gives us the Michael MIC RX/TX keys in |
1352 | * different order than NDIS spec, so swap the order here. */ | |
1353 | memcpy(ndis_key.material, key, 16); | |
1354 | memcpy(ndis_key.material + 16, key + 24, 8); | |
1355 | memcpy(ndis_key.material + 24, key + 16, 8); | |
1356 | } else | |
1357 | memcpy(ndis_key.material, key, key_len); | |
1358 | ||
aa18294a | 1359 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) |
84bf8400 | 1360 | memcpy(ndis_key.rsc, rx_seq, seq_len); |
b145ee0c | 1361 | |
aa18294a | 1362 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) { |
b145ee0c | 1363 | /* pairwise key */ |
b7cfc5b3 | 1364 | memcpy(ndis_key.bssid, addr, ETH_ALEN); |
b145ee0c JK |
1365 | } else { |
1366 | /* group key */ | |
aa18294a | 1367 | if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) |
b145ee0c JK |
1368 | memset(ndis_key.bssid, 0xff, ETH_ALEN); |
1369 | else | |
1370 | get_bssid(usbdev, ndis_key.bssid); | |
1371 | } | |
1372 | ||
1373 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key, | |
1374 | le32_to_cpu(ndis_key.size)); | |
1375 | devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret); | |
1376 | if (ret != 0) | |
1377 | return ret; | |
1378 | ||
b7cfc5b3 JK |
1379 | memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); |
1380 | priv->encr_keys[index].len = key_len; | |
1381 | priv->encr_keys[index].cipher = cipher; | |
1382 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1383 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) | |
1384 | memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN); | |
1385 | else | |
1386 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
9839178e | 1387 | |
aa18294a | 1388 | if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY) |
b145ee0c JK |
1389 | priv->encr_tx_key_index = index; |
1390 | ||
1391 | return 0; | |
1392 | } | |
1393 | ||
b7cfc5b3 JK |
1394 | static int restore_key(struct usbnet *usbdev, int key_idx) |
1395 | { | |
1396 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1397 | struct rndis_wlan_encr_key key; | |
84bf8400 JK |
1398 | |
1399 | if (is_wpa_key(priv, key_idx)) | |
1400 | return 0; | |
b7cfc5b3 JK |
1401 | |
1402 | key = priv->encr_keys[key_idx]; | |
1403 | ||
84bf8400 | 1404 | devdbg(usbdev, "restore_key: %i:%i", key_idx, key.len); |
b7cfc5b3 JK |
1405 | |
1406 | if (key.len == 0) | |
1407 | return 0; | |
1408 | ||
b7cfc5b3 JK |
1409 | return add_wep_key(usbdev, key.material, key.len, key_idx); |
1410 | } | |
1411 | ||
b7cfc5b3 JK |
1412 | static void restore_keys(struct usbnet *usbdev) |
1413 | { | |
1414 | int i; | |
1415 | ||
1416 | for (i = 0; i < 4; i++) | |
1417 | restore_key(usbdev, i); | |
1418 | } | |
1419 | ||
b7cfc5b3 JK |
1420 | static void clear_key(struct rndis_wlan_private *priv, int idx) |
1421 | { | |
1422 | memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx])); | |
1423 | } | |
1424 | ||
bf164cc0 | 1425 | /* remove_key is for both wep and wpa */ |
84bf8400 | 1426 | static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid) |
bf164cc0 | 1427 | { |
582241a0 | 1428 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1429 | struct ndis_80211_remove_key remove_key; |
bf164cc0 | 1430 | __le32 keyindex; |
b7cfc5b3 | 1431 | bool is_wpa; |
bf164cc0 JK |
1432 | int ret; |
1433 | ||
b7cfc5b3 | 1434 | if (priv->encr_keys[index].len == 0) |
bf164cc0 JK |
1435 | return 0; |
1436 | ||
b7cfc5b3 | 1437 | is_wpa = is_wpa_key(priv, index); |
bf164cc0 | 1438 | |
b7cfc5b3 JK |
1439 | devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep", |
1440 | priv->encr_keys[index].len); | |
1441 | ||
1442 | clear_key(priv, index); | |
1443 | ||
1444 | if (is_wpa) { | |
461b3f2a JK |
1445 | remove_key.size = cpu_to_le32(sizeof(remove_key)); |
1446 | remove_key.index = cpu_to_le32(index); | |
bf164cc0 JK |
1447 | if (bssid) { |
1448 | /* pairwise key */ | |
7b1fff99 | 1449 | if (!is_broadcast_ether_addr(bssid)) |
b4703a2e | 1450 | remove_key.index |= |
aa18294a | 1451 | NDIS_80211_ADDKEY_PAIRWISE_KEY; |
461b3f2a JK |
1452 | memcpy(remove_key.bssid, bssid, |
1453 | sizeof(remove_key.bssid)); | |
bf164cc0 | 1454 | } else |
461b3f2a JK |
1455 | memset(remove_key.bssid, 0xff, |
1456 | sizeof(remove_key.bssid)); | |
bf164cc0 JK |
1457 | |
1458 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key, | |
1459 | sizeof(remove_key)); | |
1460 | if (ret != 0) | |
1461 | return ret; | |
1462 | } else { | |
1463 | keyindex = cpu_to_le32(index); | |
1464 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex, | |
1465 | sizeof(keyindex)); | |
1466 | if (ret != 0) { | |
1467 | devwarn(usbdev, | |
1468 | "removing encryption key %d failed (%08X)", | |
1469 | index, ret); | |
1470 | return ret; | |
1471 | } | |
1472 | } | |
1473 | ||
1474 | /* if it is transmit key, disable encryption */ | |
1475 | if (index == priv->encr_tx_key_index) | |
5c52323e | 1476 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1477 | |
1478 | return 0; | |
1479 | } | |
1480 | ||
bf164cc0 JK |
1481 | static void set_multicast_list(struct usbnet *usbdev) |
1482 | { | |
582241a0 | 1483 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1484 | struct dev_mc_list *mclist; |
1485 | __le32 filter; | |
1486 | int ret, i, size; | |
1487 | char *buf; | |
1488 | ||
1489 | filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; | |
1490 | ||
1491 | if (usbdev->net->flags & IFF_PROMISC) { | |
1492 | filter |= RNDIS_PACKET_TYPE_PROMISCUOUS | | |
1493 | RNDIS_PACKET_TYPE_ALL_LOCAL; | |
1494 | } else if (usbdev->net->flags & IFF_ALLMULTI || | |
1495 | usbdev->net->mc_count > priv->multicast_size) { | |
1496 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1497 | } else if (usbdev->net->mc_count > 0) { | |
1498 | size = min(priv->multicast_size, usbdev->net->mc_count); | |
1499 | buf = kmalloc(size * ETH_ALEN, GFP_KERNEL); | |
1500 | if (!buf) { | |
1501 | devwarn(usbdev, | |
1502 | "couldn't alloc %d bytes of memory", | |
1503 | size * ETH_ALEN); | |
1504 | return; | |
1505 | } | |
1506 | ||
1507 | mclist = usbdev->net->mc_list; | |
1508 | for (i = 0; i < size && mclist; mclist = mclist->next) { | |
1509 | if (mclist->dmi_addrlen != ETH_ALEN) | |
1510 | continue; | |
1511 | ||
1512 | memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN); | |
1513 | i++; | |
1514 | } | |
1515 | ||
1516 | ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf, | |
1517 | i * ETH_ALEN); | |
1518 | if (ret == 0 && i > 0) | |
1519 | filter |= RNDIS_PACKET_TYPE_MULTICAST; | |
1520 | else | |
1521 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1522 | ||
1523 | devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d", | |
1524 | i, priv->multicast_size, ret); | |
1525 | ||
1526 | kfree(buf); | |
1527 | } | |
1528 | ||
1529 | ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
1530 | sizeof(filter)); | |
1531 | if (ret < 0) { | |
1532 | devwarn(usbdev, "couldn't set packet filter: %08x", | |
1533 | le32_to_cpu(filter)); | |
1534 | } | |
1535 | ||
1536 | devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d", | |
1537 | le32_to_cpu(filter), ret); | |
1538 | } | |
1539 | ||
964c1d41 JL |
1540 | /* |
1541 | * cfg80211 ops | |
1542 | */ | |
e36d56b6 JB |
1543 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
1544 | struct net_device *dev, | |
964c1d41 JL |
1545 | enum nl80211_iftype type, u32 *flags, |
1546 | struct vif_params *params) | |
1547 | { | |
16139172 JK |
1548 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); |
1549 | struct usbnet *usbdev = priv->usbdev; | |
964c1d41 JL |
1550 | int mode; |
1551 | ||
964c1d41 JL |
1552 | switch (type) { |
1553 | case NL80211_IFTYPE_ADHOC: | |
aa18294a | 1554 | mode = NDIS_80211_INFRA_ADHOC; |
964c1d41 JL |
1555 | break; |
1556 | case NL80211_IFTYPE_STATION: | |
aa18294a | 1557 | mode = NDIS_80211_INFRA_INFRA; |
964c1d41 JL |
1558 | break; |
1559 | default: | |
1560 | return -EINVAL; | |
1561 | } | |
1562 | ||
16139172 JK |
1563 | priv->wdev.iftype = type; |
1564 | ||
964c1d41 JL |
1565 | return set_infra_mode(usbdev, mode); |
1566 | } | |
1567 | ||
d75ec2b7 JK |
1568 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1569 | { | |
1570 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1571 | struct usbnet *usbdev = priv->usbdev; | |
1572 | int err; | |
1573 | ||
1574 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
1575 | err = set_frag_threshold(usbdev, wiphy->frag_threshold); | |
1576 | if (err < 0) | |
1577 | return err; | |
1578 | } | |
1579 | ||
1580 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1581 | err = set_rts_threshold(usbdev, wiphy->rts_threshold); | |
1582 | if (err < 0) | |
1583 | return err; | |
1584 | } | |
1585 | ||
1586 | return 0; | |
1587 | } | |
1588 | ||
222ec50a JK |
1589 | static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type, |
1590 | int dbm) | |
1591 | { | |
1592 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1593 | struct usbnet *usbdev = priv->usbdev; | |
1594 | ||
1595 | devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm); | |
1596 | ||
1597 | /* Device doesn't support changing txpower after initialization, only | |
1598 | * turn off/on radio. Support 'auto' mode and setting same dBm that is | |
1599 | * currently used. | |
1600 | */ | |
1601 | if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) { | |
1602 | if (!priv->radio_on) | |
051ae0bf | 1603 | disassociate(usbdev, true); /* turn on radio */ |
222ec50a JK |
1604 | |
1605 | return 0; | |
1606 | } | |
1607 | ||
1608 | return -ENOTSUPP; | |
1609 | } | |
1610 | ||
222ec50a JK |
1611 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm) |
1612 | { | |
1613 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1614 | struct usbnet *usbdev = priv->usbdev; | |
1615 | ||
1616 | *dbm = get_bcm4320_power_dbm(priv); | |
1617 | ||
1618 | devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm); | |
1619 | ||
1620 | return 0; | |
1621 | } | |
1622 | ||
b1d25a67 | 1623 | #define SCAN_DELAY_JIFFIES (6 * HZ) |
71a7b26d JK |
1624 | static int rndis_scan(struct wiphy *wiphy, struct net_device *dev, |
1625 | struct cfg80211_scan_request *request) | |
1626 | { | |
1627 | struct usbnet *usbdev = netdev_priv(dev); | |
582241a0 | 1628 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d JK |
1629 | int ret; |
1630 | __le32 tmp; | |
1631 | ||
1632 | devdbg(usbdev, "cfg80211.scan"); | |
1633 | ||
db0dd396 JK |
1634 | /* Get current bssid list from device before new scan, as new scan |
1635 | * clears internal bssid list. | |
1636 | */ | |
1637 | rndis_check_bssid_list(usbdev); | |
1638 | ||
71a7b26d JK |
1639 | if (!request) |
1640 | return -EINVAL; | |
1641 | ||
1642 | if (priv->scan_request && priv->scan_request != request) | |
1643 | return -EBUSY; | |
1644 | ||
1645 | priv->scan_request = request; | |
1646 | ||
1647 | tmp = cpu_to_le32(1); | |
1648 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, | |
1649 | sizeof(tmp)); | |
1650 | if (ret == 0) { | |
1651 | /* Wait before retrieving scan results from device */ | |
1652 | queue_delayed_work(priv->workqueue, &priv->scan_work, | |
1653 | SCAN_DELAY_JIFFIES); | |
1654 | } | |
1655 | ||
1656 | return ret; | |
1657 | } | |
1658 | ||
71a7b26d JK |
1659 | static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev, |
1660 | struct ndis_80211_bssid_ex *bssid) | |
1661 | { | |
582241a0 | 1662 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d JK |
1663 | struct ieee80211_channel *channel; |
1664 | s32 signal; | |
1665 | u64 timestamp; | |
1666 | u16 capability; | |
1667 | u16 beacon_interval; | |
1668 | struct ndis_80211_fixed_ies *fixed; | |
1669 | int ie_len, bssid_len; | |
1670 | u8 *ie; | |
1671 | ||
5fd8f250 JK |
1672 | devdbg(usbdev, " found bssid: '%.32s' [%pM]", bssid->ssid.essid, |
1673 | bssid->mac); | |
1674 | ||
71a7b26d JK |
1675 | /* parse bssid structure */ |
1676 | bssid_len = le32_to_cpu(bssid->length); | |
1677 | ||
1678 | if (bssid_len < sizeof(struct ndis_80211_bssid_ex) + | |
1679 | sizeof(struct ndis_80211_fixed_ies)) | |
1680 | return NULL; | |
1681 | ||
1682 | fixed = (struct ndis_80211_fixed_ies *)bssid->ies; | |
1683 | ||
1684 | ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); | |
1685 | ie_len = min(bssid_len - (int)sizeof(*bssid), | |
1686 | (int)le32_to_cpu(bssid->ie_length)); | |
1687 | ie_len -= sizeof(struct ndis_80211_fixed_ies); | |
1688 | if (ie_len < 0) | |
1689 | return NULL; | |
1690 | ||
1691 | /* extract data for cfg80211_inform_bss */ | |
1692 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
1693 | KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config))); | |
1694 | if (!channel) | |
1695 | return NULL; | |
1696 | ||
1697 | signal = level_to_qual(le32_to_cpu(bssid->rssi)); | |
1698 | timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp); | |
1699 | capability = le16_to_cpu(fixed->capabilities); | |
1700 | beacon_interval = le16_to_cpu(fixed->beacon_interval); | |
1701 | ||
1702 | return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac, | |
1703 | timestamp, capability, beacon_interval, ie, ie_len, signal, | |
1704 | GFP_KERNEL); | |
1705 | } | |
1706 | ||
71a7b26d JK |
1707 | static int rndis_check_bssid_list(struct usbnet *usbdev) |
1708 | { | |
1709 | void *buf = NULL; | |
1710 | struct ndis_80211_bssid_list_ex *bssid_list; | |
1711 | struct ndis_80211_bssid_ex *bssid; | |
1712 | int ret = -EINVAL, len, count, bssid_len; | |
5fd8f250 | 1713 | bool resized = false; |
71a7b26d JK |
1714 | |
1715 | devdbg(usbdev, "check_bssid_list"); | |
1716 | ||
1717 | len = CONTROL_BUFFER_SIZE; | |
5fd8f250 | 1718 | resize_buf: |
71a7b26d JK |
1719 | buf = kmalloc(len, GFP_KERNEL); |
1720 | if (!buf) { | |
1721 | ret = -ENOMEM; | |
1722 | goto out; | |
1723 | } | |
1724 | ||
1725 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
1726 | if (ret != 0) | |
1727 | goto out; | |
1728 | ||
5fd8f250 JK |
1729 | if (!resized && len > CONTROL_BUFFER_SIZE) { |
1730 | resized = true; | |
1731 | kfree(buf); | |
1732 | goto resize_buf; | |
1733 | } | |
1734 | ||
71a7b26d JK |
1735 | bssid_list = buf; |
1736 | bssid = bssid_list->bssid; | |
1737 | bssid_len = le32_to_cpu(bssid->length); | |
1738 | count = le32_to_cpu(bssid_list->num_items); | |
5fd8f250 JK |
1739 | devdbg(usbdev, "check_bssid_list: %d BSSIDs found (buflen: %d)", count, |
1740 | len); | |
71a7b26d JK |
1741 | |
1742 | while (count && ((void *)bssid + bssid_len) <= (buf + len)) { | |
1743 | rndis_bss_info_update(usbdev, bssid); | |
1744 | ||
1745 | bssid = (void *)bssid + bssid_len; | |
1746 | bssid_len = le32_to_cpu(bssid->length); | |
1747 | count--; | |
1748 | } | |
1749 | ||
1750 | out: | |
1751 | kfree(buf); | |
1752 | return ret; | |
1753 | } | |
1754 | ||
71a7b26d JK |
1755 | static void rndis_get_scan_results(struct work_struct *work) |
1756 | { | |
582241a0 JK |
1757 | struct rndis_wlan_private *priv = |
1758 | container_of(work, struct rndis_wlan_private, scan_work.work); | |
71a7b26d JK |
1759 | struct usbnet *usbdev = priv->usbdev; |
1760 | int ret; | |
1761 | ||
1762 | devdbg(usbdev, "get_scan_results"); | |
1763 | ||
005ba2f1 JK |
1764 | if (!priv->scan_request) |
1765 | return; | |
1766 | ||
71a7b26d JK |
1767 | ret = rndis_check_bssid_list(usbdev); |
1768 | ||
1769 | cfg80211_scan_done(priv->scan_request, ret < 0); | |
1770 | ||
1771 | priv->scan_request = NULL; | |
1772 | } | |
1773 | ||
5c52323e JK |
1774 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
1775 | struct cfg80211_connect_params *sme) | |
1776 | { | |
1777 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1778 | struct usbnet *usbdev = priv->usbdev; | |
1779 | struct ieee80211_channel *channel = sme->channel; | |
1780 | struct ndis_80211_ssid ssid; | |
1781 | int pairwise = RNDIS_WLAN_ALG_NONE; | |
1782 | int groupwise = RNDIS_WLAN_ALG_NONE; | |
1783 | int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE; | |
1784 | int length, i, ret, chan = -1; | |
1785 | ||
1786 | if (channel) | |
1787 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
1788 | ||
1789 | groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group); | |
1790 | for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) | |
1791 | pairwise |= | |
1792 | rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]); | |
1793 | ||
1794 | if (sme->crypto.n_ciphers_pairwise > 0 && | |
1795 | pairwise == RNDIS_WLAN_ALG_NONE) { | |
1796 | deverr(usbdev, "Unsupported pairwise cipher"); | |
1797 | return -ENOTSUPP; | |
1798 | } | |
1799 | ||
1800 | for (i = 0; i < sme->crypto.n_akm_suites; i++) | |
1801 | keymgmt |= | |
1802 | rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]); | |
1803 | ||
1804 | if (sme->crypto.n_akm_suites > 0 && | |
1805 | keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) { | |
1806 | deverr(usbdev, "Invalid keymgmt"); | |
1807 | return -ENOTSUPP; | |
1808 | } | |
1809 | ||
1810 | devdbg(usbdev, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:" | |
1811 | "0x%x]:0x%x)", sme->ssid, sme->bssid, chan, | |
1812 | sme->privacy, sme->crypto.wpa_versions, sme->auth_type, | |
1813 | groupwise, pairwise, keymgmt); | |
1814 | ||
1815 | if (is_associated(usbdev)) | |
1816 | disassociate(usbdev, false); | |
1817 | ||
1818 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
1819 | if (ret < 0) { | |
1820 | devdbg(usbdev, "connect: set_infra_mode failed, %d", ret); | |
1821 | goto err_turn_radio_on; | |
1822 | } | |
1823 | ||
1824 | ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type, | |
1825 | keymgmt); | |
1826 | if (ret < 0) { | |
1827 | devdbg(usbdev, "connect: set_auth_mode failed, %d", ret); | |
1828 | goto err_turn_radio_on; | |
1829 | } | |
1830 | ||
1831 | set_priv_filter(usbdev); | |
1832 | ||
1833 | ret = set_encr_mode(usbdev, pairwise, groupwise); | |
1834 | if (ret < 0) { | |
1835 | devdbg(usbdev, "connect: set_encr_mode failed, %d", ret); | |
1836 | goto err_turn_radio_on; | |
1837 | } | |
1838 | ||
1839 | if (channel) { | |
1840 | ret = set_channel(usbdev, chan); | |
1841 | if (ret < 0) { | |
1842 | devdbg(usbdev, "connect: set_channel failed, %d", ret); | |
1843 | goto err_turn_radio_on; | |
1844 | } | |
1845 | } | |
1846 | ||
1847 | if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) { | |
1848 | priv->encr_tx_key_index = sme->key_idx; | |
1849 | ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx); | |
1850 | if (ret < 0) { | |
1851 | devdbg(usbdev, "connect: add_wep_key failed, %d " | |
1852 | "(%d, %d)", ret, sme->key_len, sme->key_idx); | |
1853 | goto err_turn_radio_on; | |
1854 | } | |
1855 | } | |
1856 | ||
1857 | if (sme->bssid && !is_zero_ether_addr(sme->bssid) && | |
1858 | !is_broadcast_ether_addr(sme->bssid)) { | |
1859 | ret = set_bssid(usbdev, sme->bssid); | |
1860 | if (ret < 0) { | |
1861 | devdbg(usbdev, "connect: set_bssid failed, %d", ret); | |
1862 | goto err_turn_radio_on; | |
1863 | } | |
1864 | } else | |
1865 | clear_bssid(usbdev); | |
1866 | ||
1867 | length = sme->ssid_len; | |
1868 | if (length > NDIS_802_11_LENGTH_SSID) | |
1869 | length = NDIS_802_11_LENGTH_SSID; | |
1870 | ||
1871 | memset(&ssid, 0, sizeof(ssid)); | |
1872 | ssid.length = cpu_to_le32(length); | |
1873 | memcpy(ssid.essid, sme->ssid, length); | |
1874 | ||
1875 | /* Pause and purge rx queue, so we don't pass packets before | |
1876 | * 'media connect'-indication. | |
1877 | */ | |
1878 | usbnet_pause_rx(usbdev); | |
1879 | usbnet_purge_paused_rxq(usbdev); | |
1880 | ||
1881 | ret = set_essid(usbdev, &ssid); | |
1882 | if (ret < 0) | |
1883 | devdbg(usbdev, "connect: set_essid failed, %d", ret); | |
1884 | return ret; | |
1885 | ||
1886 | err_turn_radio_on: | |
051ae0bf | 1887 | disassociate(usbdev, true); |
5c52323e JK |
1888 | |
1889 | return ret; | |
1890 | } | |
1891 | ||
1892 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
1893 | u16 reason_code) | |
1894 | { | |
1895 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1896 | struct usbnet *usbdev = priv->usbdev; | |
1897 | ||
1898 | devdbg(usbdev, "cfg80211.disconnect(%d)", reason_code); | |
1899 | ||
1900 | priv->connected = false; | |
8b89a288 | 1901 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
1902 | |
1903 | return deauthenticate(usbdev); | |
1904 | } | |
1905 | ||
1906 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
1907 | struct cfg80211_ibss_params *params) | |
1908 | { | |
1909 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1910 | struct usbnet *usbdev = priv->usbdev; | |
1911 | struct ieee80211_channel *channel = params->channel; | |
1912 | struct ndis_80211_ssid ssid; | |
1913 | enum nl80211_auth_type auth_type; | |
1914 | int ret, alg, length, chan = -1; | |
1915 | ||
1916 | if (channel) | |
1917 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
1918 | ||
1919 | /* TODO: How to handle ad-hoc encryption? | |
1920 | * connect() has *key, join_ibss() doesn't. RNDIS requires key to be | |
1921 | * pre-shared for encryption (open/shared/wpa), is key set before | |
1922 | * join_ibss? Which auth_type to use (not in params)? What about WPA? | |
1923 | */ | |
1924 | if (params->privacy) { | |
1925 | auth_type = NL80211_AUTHTYPE_SHARED_KEY; | |
1926 | alg = RNDIS_WLAN_ALG_WEP; | |
1927 | } else { | |
1928 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
1929 | alg = RNDIS_WLAN_ALG_NONE; | |
1930 | } | |
1931 | ||
1932 | devdbg(usbdev, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)", params->ssid, | |
1933 | params->bssid, chan, params->privacy); | |
1934 | ||
1935 | if (is_associated(usbdev)) | |
1936 | disassociate(usbdev, false); | |
1937 | ||
1938 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC); | |
1939 | if (ret < 0) { | |
1940 | devdbg(usbdev, "join_ibss: set_infra_mode failed, %d", ret); | |
1941 | goto err_turn_radio_on; | |
1942 | } | |
1943 | ||
1944 | ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE); | |
1945 | if (ret < 0) { | |
1946 | devdbg(usbdev, "join_ibss: set_auth_mode failed, %d", ret); | |
1947 | goto err_turn_radio_on; | |
1948 | } | |
1949 | ||
1950 | set_priv_filter(usbdev); | |
1951 | ||
1952 | ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE); | |
1953 | if (ret < 0) { | |
1954 | devdbg(usbdev, "join_ibss: set_encr_mode failed, %d", ret); | |
1955 | goto err_turn_radio_on; | |
1956 | } | |
1957 | ||
1958 | if (channel) { | |
1959 | ret = set_channel(usbdev, chan); | |
1960 | if (ret < 0) { | |
1961 | devdbg(usbdev, "join_ibss: set_channel failed, %d", | |
1962 | ret); | |
1963 | goto err_turn_radio_on; | |
1964 | } | |
1965 | } | |
1966 | ||
1967 | if (params->bssid && !is_zero_ether_addr(params->bssid) && | |
1968 | !is_broadcast_ether_addr(params->bssid)) { | |
1969 | ret = set_bssid(usbdev, params->bssid); | |
1970 | if (ret < 0) { | |
1971 | devdbg(usbdev, "join_ibss: set_bssid failed, %d", ret); | |
1972 | goto err_turn_radio_on; | |
1973 | } | |
1974 | } else | |
1975 | clear_bssid(usbdev); | |
1976 | ||
1977 | length = params->ssid_len; | |
1978 | if (length > NDIS_802_11_LENGTH_SSID) | |
1979 | length = NDIS_802_11_LENGTH_SSID; | |
1980 | ||
1981 | memset(&ssid, 0, sizeof(ssid)); | |
1982 | ssid.length = cpu_to_le32(length); | |
1983 | memcpy(ssid.essid, params->ssid, length); | |
1984 | ||
1985 | /* Don't need to pause rx queue for ad-hoc. */ | |
1986 | usbnet_purge_paused_rxq(usbdev); | |
1987 | usbnet_resume_rx(usbdev); | |
1988 | ||
1989 | ret = set_essid(usbdev, &ssid); | |
1990 | if (ret < 0) | |
1991 | devdbg(usbdev, "join_ibss: set_essid failed, %d", ret); | |
1992 | return ret; | |
1993 | ||
1994 | err_turn_radio_on: | |
051ae0bf | 1995 | disassociate(usbdev, true); |
5c52323e JK |
1996 | |
1997 | return ret; | |
1998 | } | |
1999 | ||
2000 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2001 | { | |
2002 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2003 | struct usbnet *usbdev = priv->usbdev; | |
2004 | ||
2005 | devdbg(usbdev, "cfg80211.leave_ibss()"); | |
2006 | ||
2007 | priv->connected = false; | |
8b89a288 | 2008 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
2009 | |
2010 | return deauthenticate(usbdev); | |
2011 | } | |
2012 | ||
5554adbe JK |
2013 | static int rndis_set_channel(struct wiphy *wiphy, |
2014 | struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) | |
2015 | { | |
2016 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2017 | struct usbnet *usbdev = priv->usbdev; | |
2018 | ||
2019 | return set_channel(usbdev, | |
2020 | ieee80211_frequency_to_channel(chan->center_freq)); | |
2021 | } | |
71a7b26d | 2022 | |
84bf8400 JK |
2023 | static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
2024 | u8 key_index, const u8 *mac_addr, | |
2025 | struct key_params *params) | |
2026 | { | |
2027 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2028 | struct usbnet *usbdev = priv->usbdev; | |
53d27eaf | 2029 | __le32 flags; |
84bf8400 JK |
2030 | |
2031 | devdbg(usbdev, "rndis_add_key(%i, %pM, %08x)", key_index, mac_addr, | |
2032 | params->cipher); | |
2033 | ||
2034 | switch (params->cipher) { | |
2035 | case WLAN_CIPHER_SUITE_WEP40: | |
2036 | case WLAN_CIPHER_SUITE_WEP104: | |
2037 | return add_wep_key(usbdev, params->key, params->key_len, | |
2038 | key_index); | |
2039 | case WLAN_CIPHER_SUITE_TKIP: | |
2040 | case WLAN_CIPHER_SUITE_CCMP: | |
2041 | flags = 0; | |
2042 | ||
2043 | if (params->seq && params->seq_len > 0) | |
2044 | flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ; | |
2045 | if (mac_addr) | |
2046 | flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY | | |
2047 | NDIS_80211_ADDKEY_TRANSMIT_KEY; | |
2048 | ||
2049 | return add_wpa_key(usbdev, params->key, params->key_len, | |
2050 | key_index, mac_addr, params->seq, | |
2051 | params->seq_len, params->cipher, flags); | |
2052 | default: | |
2053 | devdbg(usbdev, "rndis_add_key: unsupported cipher %08x", | |
2054 | params->cipher); | |
2055 | return -ENOTSUPP; | |
2056 | } | |
2057 | } | |
2058 | ||
2059 | static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
2060 | u8 key_index, const u8 *mac_addr) | |
2061 | { | |
2062 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2063 | struct usbnet *usbdev = priv->usbdev; | |
2064 | ||
2065 | devdbg(usbdev, "rndis_del_key(%i, %pM)", key_index, mac_addr); | |
2066 | ||
2067 | return remove_key(usbdev, key_index, mac_addr); | |
2068 | } | |
2069 | ||
2070 | static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
2071 | u8 key_index) | |
2072 | { | |
2073 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2074 | struct usbnet *usbdev = priv->usbdev; | |
2075 | struct rndis_wlan_encr_key key; | |
2076 | ||
2077 | devdbg(usbdev, "rndis_set_default_key(%i)", key_index); | |
2078 | ||
2079 | priv->encr_tx_key_index = key_index; | |
2080 | ||
2081 | key = priv->encr_keys[key_index]; | |
2082 | ||
2083 | return add_wep_key(usbdev, key.material, key.len, key_index); | |
2084 | } | |
2085 | ||
8b89a288 JK |
2086 | static void rndis_fill_station_info(struct usbnet *usbdev, |
2087 | struct station_info *sinfo) | |
2088 | { | |
2089 | __le32 linkspeed, rssi; | |
2090 | int ret, len; | |
2091 | ||
2092 | memset(sinfo, 0, sizeof(*sinfo)); | |
2093 | ||
2094 | len = sizeof(linkspeed); | |
2095 | ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len); | |
2096 | if (ret == 0) { | |
2097 | sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000; | |
2098 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
2099 | } | |
2100 | ||
2101 | len = sizeof(rssi); | |
2102 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
2103 | if (ret == 0) { | |
2104 | sinfo->signal = level_to_qual(le32_to_cpu(rssi)); | |
2105 | sinfo->filled |= STATION_INFO_SIGNAL; | |
2106 | } | |
2107 | } | |
2108 | ||
2109 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, | |
2110 | u8 *mac, struct station_info *sinfo) | |
2111 | { | |
2112 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2113 | struct usbnet *usbdev = priv->usbdev; | |
2114 | ||
2115 | if (compare_ether_addr(priv->bssid, mac)) | |
2116 | return -ENOENT; | |
2117 | ||
2118 | rndis_fill_station_info(usbdev, sinfo); | |
2119 | ||
2120 | return 0; | |
2121 | } | |
2122 | ||
d695df90 JK |
2123 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
2124 | int idx, u8 *mac, struct station_info *sinfo) | |
2125 | { | |
2126 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2127 | struct usbnet *usbdev = priv->usbdev; | |
2128 | ||
2129 | if (idx != 0) | |
2130 | return -ENOENT; | |
2131 | ||
2132 | memcpy(mac, priv->bssid, ETH_ALEN); | |
2133 | ||
2134 | rndis_fill_station_info(usbdev, sinfo); | |
2135 | ||
2136 | return 0; | |
2137 | } | |
2138 | ||
c5c4fe90 JK |
2139 | /* |
2140 | * workers, indication handlers, device poller | |
2141 | */ | |
0848e6c6 | 2142 | static void rndis_wlan_do_link_up_work(struct usbnet *usbdev) |
bf164cc0 | 2143 | { |
5c52323e | 2144 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
4364623c | 2145 | struct ndis_80211_assoc_info *info; |
0848e6c6 JK |
2146 | u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32]; |
2147 | u8 bssid[ETH_ALEN]; | |
5c52323e JK |
2148 | int resp_ie_len, req_ie_len; |
2149 | u8 *req_ie, *resp_ie; | |
4364623c | 2150 | int ret, offset; |
5c52323e | 2151 | bool roamed = false; |
bf164cc0 | 2152 | |
5c52323e JK |
2153 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) { |
2154 | /* received media connect indication while connected, either | |
2155 | * device reassociated with same AP or roamed to new. */ | |
2156 | roamed = true; | |
2157 | } | |
0848e6c6 | 2158 | |
5c52323e JK |
2159 | req_ie_len = 0; |
2160 | resp_ie_len = 0; | |
2161 | req_ie = NULL; | |
2162 | resp_ie = NULL; | |
2163 | ||
2164 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
2165 | memset(assoc_buf, 0, sizeof(assoc_buf)); | |
2166 | info = (void *)assoc_buf; | |
2167 | ||
2168 | /* Get association info IEs from device and send them back to | |
2169 | * userspace. */ | |
2170 | ret = get_association_info(usbdev, info, sizeof(assoc_buf)); | |
2171 | if (!ret) { | |
2172 | req_ie_len = le32_to_cpu(info->req_ie_length); | |
2173 | if (req_ie_len > 0) { | |
2174 | offset = le32_to_cpu(info->offset_req_ies); | |
2175 | req_ie = (u8 *)info + offset; | |
2176 | } | |
2177 | ||
2178 | resp_ie_len = le32_to_cpu(info->resp_ie_length); | |
2179 | if (resp_ie_len > 0) { | |
2180 | offset = le32_to_cpu(info->offset_resp_ies); | |
2181 | resp_ie = (u8 *)info + offset; | |
2182 | } | |
4364623c | 2183 | } |
5c52323e JK |
2184 | } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC)) |
2185 | return; | |
4364623c | 2186 | |
5c52323e JK |
2187 | ret = get_bssid(usbdev, bssid); |
2188 | if (ret < 0) | |
2189 | memset(bssid, 0, sizeof(bssid)); | |
7834ddbc | 2190 | |
5c52323e | 2191 | devdbg(usbdev, "link up work: [%pM] %s", bssid, roamed ? "roamed" : ""); |
bf164cc0 | 2192 | |
5c52323e JK |
2193 | /* Internal bss list in device always contains at least the currently |
2194 | * connected bss and we can get it to cfg80211 with | |
2195 | * rndis_check_bssid_list(). | |
2196 | * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS | |
2197 | * spec. | |
2198 | */ | |
2199 | rndis_check_bssid_list(usbdev); | |
2200 | ||
2201 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
2202 | if (!roamed) | |
2203 | cfg80211_connect_result(usbdev->net, bssid, req_ie, | |
2204 | req_ie_len, resp_ie, | |
2205 | resp_ie_len, 0, GFP_KERNEL); | |
2206 | else | |
2207 | cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len, | |
2208 | resp_ie, resp_ie_len, GFP_KERNEL); | |
2209 | } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) | |
2210 | cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL); | |
2211 | ||
2212 | priv->connected = true; | |
8b89a288 | 2213 | memcpy(priv->bssid, bssid, ETH_ALEN); |
6010ce07 | 2214 | |
0848e6c6 | 2215 | usbnet_resume_rx(usbdev); |
5c52323e | 2216 | netif_carrier_on(usbdev->net); |
0848e6c6 JK |
2217 | } |
2218 | ||
2219 | static void rndis_wlan_do_link_down_work(struct usbnet *usbdev) | |
2220 | { | |
2221 | union iwreq_data evt; | |
2222 | ||
2223 | netif_carrier_off(usbdev->net); | |
2224 | ||
2225 | evt.data.flags = 0; | |
2226 | evt.data.length = 0; | |
2227 | memset(evt.ap_addr.sa_data, 0, ETH_ALEN); | |
2228 | wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); | |
2229 | } | |
2230 | ||
2231 | static void rndis_wlan_worker(struct work_struct *work) | |
2232 | { | |
2233 | struct rndis_wlan_private *priv = | |
2234 | container_of(work, struct rndis_wlan_private, work); | |
2235 | struct usbnet *usbdev = priv->usbdev; | |
2236 | ||
2237 | if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) | |
2238 | rndis_wlan_do_link_up_work(usbdev); | |
2239 | ||
2240 | if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) | |
2241 | rndis_wlan_do_link_down_work(usbdev); | |
2242 | ||
bf164cc0 JK |
2243 | if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2244 | set_multicast_list(usbdev); | |
2245 | } | |
2246 | ||
582241a0 | 2247 | static void rndis_wlan_set_multicast_list(struct net_device *dev) |
bf164cc0 | 2248 | { |
524ad0a7 | 2249 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2250 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2251 | |
a67edb9e JK |
2252 | if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2253 | return; | |
2254 | ||
bf164cc0 JK |
2255 | set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
2256 | queue_work(priv->workqueue, &priv->work); | |
2257 | } | |
2258 | ||
030645ac JK |
2259 | static void rndis_wlan_auth_indication(struct usbnet *usbdev, |
2260 | struct ndis_80211_status_indication *indication, | |
2261 | int len) | |
2262 | { | |
2263 | u8 *buf; | |
2264 | const char *type; | |
a0f9ce2a | 2265 | int flags, buflen, key_id; |
030645ac JK |
2266 | bool pairwise_error, group_error; |
2267 | struct ndis_80211_auth_request *auth_req; | |
a0f9ce2a | 2268 | enum nl80211_key_type key_type; |
030645ac JK |
2269 | |
2270 | /* must have at least one array entry */ | |
2271 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2272 | sizeof(struct ndis_80211_auth_request)) { | |
2273 | devinfo(usbdev, "authentication indication: " | |
2274 | "too short message (%i)", len); | |
2275 | return; | |
2276 | } | |
2277 | ||
2278 | buf = (void *)&indication->u.auth_request[0]; | |
2279 | buflen = len - offsetof(struct ndis_80211_status_indication, u); | |
2280 | ||
2281 | while (buflen >= sizeof(*auth_req)) { | |
2282 | auth_req = (void *)buf; | |
2283 | type = "unknown"; | |
2284 | flags = le32_to_cpu(auth_req->flags); | |
2285 | pairwise_error = false; | |
2286 | group_error = false; | |
2287 | ||
2288 | if (flags & 0x1) | |
2289 | type = "reauth request"; | |
2290 | if (flags & 0x2) | |
2291 | type = "key update request"; | |
2292 | if (flags & 0x6) { | |
2293 | pairwise_error = true; | |
2294 | type = "pairwise_error"; | |
2295 | } | |
2296 | if (flags & 0xe) { | |
2297 | group_error = true; | |
2298 | type = "group_error"; | |
2299 | } | |
2300 | ||
2301 | devinfo(usbdev, "authentication indication: %s (0x%08x)", type, | |
2302 | le32_to_cpu(auth_req->flags)); | |
2303 | ||
a0f9ce2a JK |
2304 | if (pairwise_error) { |
2305 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
2306 | key_id = -1; | |
030645ac | 2307 | |
a0f9ce2a JK |
2308 | cfg80211_michael_mic_failure(usbdev->net, |
2309 | auth_req->bssid, | |
2310 | key_type, key_id, NULL, | |
2311 | GFP_KERNEL); | |
2312 | } | |
030645ac | 2313 | |
a0f9ce2a JK |
2314 | if (group_error) { |
2315 | key_type = NL80211_KEYTYPE_GROUP; | |
2316 | key_id = -1; | |
030645ac | 2317 | |
a0f9ce2a JK |
2318 | cfg80211_michael_mic_failure(usbdev->net, |
2319 | auth_req->bssid, | |
2320 | key_type, key_id, NULL, | |
2321 | GFP_KERNEL); | |
030645ac JK |
2322 | } |
2323 | ||
2324 | buflen -= le32_to_cpu(auth_req->length); | |
2325 | buf += le32_to_cpu(auth_req->length); | |
2326 | } | |
2327 | } | |
2328 | ||
2329 | static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev, | |
2330 | struct ndis_80211_status_indication *indication, | |
2331 | int len) | |
2332 | { | |
2333 | struct ndis_80211_pmkid_cand_list *cand_list; | |
2334 | int list_len, expected_len, i; | |
2335 | ||
2336 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2337 | sizeof(struct ndis_80211_pmkid_cand_list)) { | |
2338 | devinfo(usbdev, "pmkid candidate list indication: " | |
2339 | "too short message (%i)", len); | |
2340 | return; | |
2341 | } | |
2342 | ||
2343 | list_len = le32_to_cpu(indication->u.cand_list.num_candidates) * | |
2344 | sizeof(struct ndis_80211_pmkid_candidate); | |
2345 | expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len + | |
2346 | offsetof(struct ndis_80211_status_indication, u); | |
2347 | ||
2348 | if (len < expected_len) { | |
2349 | devinfo(usbdev, "pmkid candidate list indication: " | |
2350 | "list larger than buffer (%i < %i)", | |
2351 | len, expected_len); | |
2352 | return; | |
2353 | } | |
2354 | ||
2355 | cand_list = &indication->u.cand_list; | |
2356 | ||
2357 | devinfo(usbdev, "pmkid candidate list indication: " | |
2358 | "version %i, candidates %i", | |
2359 | le32_to_cpu(cand_list->version), | |
2360 | le32_to_cpu(cand_list->num_candidates)); | |
2361 | ||
2362 | if (le32_to_cpu(cand_list->version) != 1) | |
2363 | return; | |
2364 | ||
2365 | for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) { | |
030645ac JK |
2366 | struct ndis_80211_pmkid_candidate *cand = |
2367 | &cand_list->candidate_list[i]; | |
2368 | ||
2369 | devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM", | |
2370 | i, le32_to_cpu(cand->flags), cand->bssid); | |
2371 | ||
21ec2d8d JK |
2372 | #if 0 |
2373 | struct iw_pmkid_cand pcand; | |
2374 | union iwreq_data wrqu; | |
2375 | ||
030645ac JK |
2376 | memset(&pcand, 0, sizeof(pcand)); |
2377 | if (le32_to_cpu(cand->flags) & 0x01) | |
2378 | pcand.flags |= IW_PMKID_CAND_PREAUTH; | |
2379 | pcand.index = i; | |
2380 | memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN); | |
2381 | ||
2382 | memset(&wrqu, 0, sizeof(wrqu)); | |
2383 | wrqu.data.length = sizeof(pcand); | |
2384 | wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu, | |
2385 | (u8 *)&pcand); | |
21ec2d8d | 2386 | #endif |
030645ac JK |
2387 | } |
2388 | } | |
2389 | ||
2390 | static void rndis_wlan_media_specific_indication(struct usbnet *usbdev, | |
2391 | struct rndis_indicate *msg, int buflen) | |
2392 | { | |
2393 | struct ndis_80211_status_indication *indication; | |
2394 | int len, offset; | |
2395 | ||
2396 | offset = offsetof(struct rndis_indicate, status) + | |
2397 | le32_to_cpu(msg->offset); | |
2398 | len = le32_to_cpu(msg->length); | |
2399 | ||
2400 | if (len < 8) { | |
2401 | devinfo(usbdev, "media specific indication, " | |
2402 | "ignore too short message (%i < 8)", len); | |
2403 | return; | |
2404 | } | |
2405 | ||
2406 | if (offset + len > buflen) { | |
2407 | devinfo(usbdev, "media specific indication, " | |
2408 | "too large to fit to buffer (%i > %i)", | |
2409 | offset + len, buflen); | |
2410 | return; | |
2411 | } | |
2412 | ||
2413 | indication = (void *)((u8 *)msg + offset); | |
2414 | ||
2415 | switch (le32_to_cpu(indication->status_type)) { | |
2416 | case NDIS_80211_STATUSTYPE_RADIOSTATE: | |
2417 | devinfo(usbdev, "radio state indication: %i", | |
2418 | le32_to_cpu(indication->u.radio_status)); | |
2419 | return; | |
2420 | ||
2421 | case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE: | |
2422 | devinfo(usbdev, "media stream mode indication: %i", | |
2423 | le32_to_cpu(indication->u.media_stream_mode)); | |
2424 | return; | |
2425 | ||
2426 | case NDIS_80211_STATUSTYPE_AUTHENTICATION: | |
2427 | rndis_wlan_auth_indication(usbdev, indication, len); | |
2428 | return; | |
2429 | ||
2430 | case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST: | |
2431 | rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len); | |
2432 | return; | |
2433 | ||
2434 | default: | |
2435 | devinfo(usbdev, "media specific indication: " | |
2436 | "unknown status type 0x%08x", | |
2437 | le32_to_cpu(indication->status_type)); | |
2438 | } | |
2439 | } | |
2440 | ||
2a4901bc | 2441 | static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) |
bf164cc0 | 2442 | { |
582241a0 | 2443 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2a4901bc | 2444 | struct rndis_indicate *msg = ind; |
bf164cc0 | 2445 | |
2a4901bc JK |
2446 | switch (msg->status) { |
2447 | case RNDIS_STATUS_MEDIA_CONNECT: | |
5f81ff5a JK |
2448 | if (priv->current_command_oid == OID_802_11_ADD_KEY) { |
2449 | /* OID_802_11_ADD_KEY causes sometimes extra | |
2450 | * "media connect" indications which confuses driver | |
2451 | * and userspace to think that device is | |
2452 | * roaming/reassociating when it isn't. | |
2453 | */ | |
2454 | devdbg(usbdev, "ignored OID_802_11_ADD_KEY triggered " | |
2455 | "'media connect'"); | |
2456 | return; | |
2457 | } | |
2458 | ||
7834ddbc JK |
2459 | usbnet_pause_rx(usbdev); |
2460 | ||
2a4901bc JK |
2461 | devinfo(usbdev, "media connect"); |
2462 | ||
030645ac | 2463 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
2464 | set_bit(WORK_LINK_UP, &priv->work_pending); |
2465 | queue_work(priv->workqueue, &priv->work); | |
2466 | break; | |
2467 | ||
2468 | case RNDIS_STATUS_MEDIA_DISCONNECT: | |
2469 | devinfo(usbdev, "media disconnect"); | |
2470 | ||
030645ac | 2471 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
2472 | set_bit(WORK_LINK_DOWN, &priv->work_pending); |
2473 | queue_work(priv->workqueue, &priv->work); | |
2474 | break; | |
2475 | ||
030645ac JK |
2476 | case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION: |
2477 | rndis_wlan_media_specific_indication(usbdev, msg, buflen); | |
2478 | break; | |
2479 | ||
2a4901bc JK |
2480 | default: |
2481 | devinfo(usbdev, "indication: 0x%08x", | |
2482 | le32_to_cpu(msg->status)); | |
2483 | break; | |
2484 | } | |
bf164cc0 JK |
2485 | } |
2486 | ||
582241a0 | 2487 | static int rndis_wlan_get_caps(struct usbnet *usbdev) |
bf164cc0 JK |
2488 | { |
2489 | struct { | |
2490 | __le32 num_items; | |
2491 | __le32 items[8]; | |
2492 | } networks_supported; | |
2493 | int len, retval, i, n; | |
582241a0 | 2494 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2495 | |
bf164cc0 JK |
2496 | /* determine supported modes */ |
2497 | len = sizeof(networks_supported); | |
a19d7292 | 2498 | retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED, |
bf164cc0 JK |
2499 | &networks_supported, &len); |
2500 | if (retval >= 0) { | |
2501 | n = le32_to_cpu(networks_supported.num_items); | |
2502 | if (n > 8) | |
2503 | n = 8; | |
2504 | for (i = 0; i < n; i++) { | |
2505 | switch (le32_to_cpu(networks_supported.items[i])) { | |
aa18294a JK |
2506 | case NDIS_80211_TYPE_FREQ_HOP: |
2507 | case NDIS_80211_TYPE_DIRECT_SEQ: | |
bf164cc0 JK |
2508 | priv->caps |= CAP_MODE_80211B; |
2509 | break; | |
aa18294a | 2510 | case NDIS_80211_TYPE_OFDM_A: |
bf164cc0 JK |
2511 | priv->caps |= CAP_MODE_80211A; |
2512 | break; | |
aa18294a | 2513 | case NDIS_80211_TYPE_OFDM_G: |
bf164cc0 JK |
2514 | priv->caps |= CAP_MODE_80211G; |
2515 | break; | |
2516 | } | |
2517 | } | |
bf164cc0 JK |
2518 | } |
2519 | ||
2520 | return retval; | |
2521 | } | |
2522 | ||
305e243e JK |
2523 | #define DEVICE_POLLER_JIFFIES (HZ) |
2524 | static void rndis_device_poller(struct work_struct *work) | |
bf164cc0 | 2525 | { |
582241a0 | 2526 | struct rndis_wlan_private *priv = |
305e243e JK |
2527 | container_of(work, struct rndis_wlan_private, |
2528 | dev_poller_work.work); | |
bf164cc0 | 2529 | struct usbnet *usbdev = priv->usbdev; |
bf164cc0 | 2530 | __le32 rssi, tmp; |
a97b1f3d | 2531 | int len, ret, j; |
305e243e | 2532 | int update_jiffies = DEVICE_POLLER_JIFFIES; |
bf164cc0 JK |
2533 | void *buf; |
2534 | ||
8b89a288 JK |
2535 | /* Only check/do workaround when connected. Calling is_associated() |
2536 | * also polls device with rndis_command() and catches for media link | |
2537 | * indications. | |
2538 | */ | |
2539 | if (!is_associated(usbdev)) | |
bf164cc0 | 2540 | goto end; |
bf164cc0 JK |
2541 | |
2542 | len = sizeof(rssi); | |
2543 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
8b89a288 JK |
2544 | if (ret == 0) |
2545 | priv->last_qual = level_to_qual(le32_to_cpu(rssi)); | |
bf164cc0 | 2546 | |
305e243e JK |
2547 | devdbg(usbdev, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d", |
2548 | ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi))); | |
bf164cc0 | 2549 | |
a97b1f3d JK |
2550 | /* Workaround transfer stalls on poor quality links. |
2551 | * TODO: find right way to fix these stalls (as stalls do not happen | |
2552 | * with ndiswrapper/windows driver). */ | |
77593ae2 | 2553 | if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) { |
bf164cc0 JK |
2554 | /* Decrease stats worker interval to catch stalls. |
2555 | * faster. Faster than 400-500ms causes packet loss, | |
2556 | * Slower doesn't catch stalls fast enough. | |
2557 | */ | |
2558 | j = msecs_to_jiffies(priv->param_workaround_interval); | |
305e243e JK |
2559 | if (j > DEVICE_POLLER_JIFFIES) |
2560 | j = DEVICE_POLLER_JIFFIES; | |
bf164cc0 JK |
2561 | else if (j <= 0) |
2562 | j = 1; | |
2563 | update_jiffies = j; | |
2564 | ||
2565 | /* Send scan OID. Use of both OIDs is required to get device | |
2566 | * working. | |
2567 | */ | |
35c26c2c | 2568 | tmp = cpu_to_le32(1); |
bf164cc0 JK |
2569 | rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, |
2570 | sizeof(tmp)); | |
2571 | ||
2572 | len = CONTROL_BUFFER_SIZE; | |
2573 | buf = kmalloc(len, GFP_KERNEL); | |
2574 | if (!buf) | |
2575 | goto end; | |
2576 | ||
2577 | rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
2578 | kfree(buf); | |
2579 | } | |
bf164cc0 | 2580 | |
305e243e | 2581 | end: |
bf164cc0 JK |
2582 | if (update_jiffies >= HZ) |
2583 | update_jiffies = round_jiffies_relative(update_jiffies); | |
2584 | else { | |
2585 | j = round_jiffies_relative(update_jiffies); | |
2586 | if (abs(j - update_jiffies) <= 10) | |
2587 | update_jiffies = j; | |
2588 | } | |
2589 | ||
305e243e JK |
2590 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
2591 | update_jiffies); | |
bf164cc0 JK |
2592 | } |
2593 | ||
c5c4fe90 JK |
2594 | /* |
2595 | * driver/device initialization | |
2596 | */ | |
cef6e912 | 2597 | static void rndis_copy_module_params(struct usbnet *usbdev) |
bf164cc0 | 2598 | { |
582241a0 | 2599 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2600 | |
2601 | priv->param_country[0] = modparam_country[0]; | |
2602 | priv->param_country[1] = modparam_country[1]; | |
2603 | priv->param_country[2] = 0; | |
2604 | priv->param_frameburst = modparam_frameburst; | |
2605 | priv->param_afterburner = modparam_afterburner; | |
2606 | priv->param_power_save = modparam_power_save; | |
2607 | priv->param_power_output = modparam_power_output; | |
2608 | priv->param_roamtrigger = modparam_roamtrigger; | |
2609 | priv->param_roamdelta = modparam_roamdelta; | |
bf164cc0 JK |
2610 | |
2611 | priv->param_country[0] = toupper(priv->param_country[0]); | |
2612 | priv->param_country[1] = toupper(priv->param_country[1]); | |
2613 | /* doesn't support EU as country code, use FI instead */ | |
2614 | if (!strcmp(priv->param_country, "EU")) | |
2615 | strcpy(priv->param_country, "FI"); | |
2616 | ||
2617 | if (priv->param_power_save < 0) | |
2618 | priv->param_power_save = 0; | |
2619 | else if (priv->param_power_save > 2) | |
2620 | priv->param_power_save = 2; | |
2621 | ||
a7624837 JK |
2622 | if (priv->param_power_output < 0) |
2623 | priv->param_power_output = 0; | |
2624 | else if (priv->param_power_output > 3) | |
2625 | priv->param_power_output = 3; | |
2626 | ||
bf164cc0 JK |
2627 | if (priv->param_roamtrigger < -80) |
2628 | priv->param_roamtrigger = -80; | |
2629 | else if (priv->param_roamtrigger > -60) | |
2630 | priv->param_roamtrigger = -60; | |
2631 | ||
2632 | if (priv->param_roamdelta < 0) | |
2633 | priv->param_roamdelta = 0; | |
2634 | else if (priv->param_roamdelta > 2) | |
2635 | priv->param_roamdelta = 2; | |
2636 | ||
4d381ffb | 2637 | if (modparam_workaround_interval < 0) |
bf164cc0 | 2638 | priv->param_workaround_interval = 500; |
4d381ffb RK |
2639 | else |
2640 | priv->param_workaround_interval = modparam_workaround_interval; | |
cef6e912 JK |
2641 | } |
2642 | ||
2643 | static int bcm4320a_early_init(struct usbnet *usbdev) | |
2644 | { | |
6e850af5 JK |
2645 | /* copy module parameters for bcm4320a so that iwconfig reports txpower |
2646 | * and workaround parameter is copied to private structure correctly. | |
2647 | */ | |
2648 | rndis_copy_module_params(usbdev); | |
2649 | ||
cef6e912 JK |
2650 | /* bcm4320a doesn't handle configuration parameters well. Try |
2651 | * set any and you get partially zeroed mac and broken device. | |
2652 | */ | |
2653 | ||
2654 | return 0; | |
2655 | } | |
2656 | ||
2657 | static int bcm4320b_early_init(struct usbnet *usbdev) | |
2658 | { | |
2659 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
2660 | char buf[8]; | |
2661 | ||
2662 | rndis_copy_module_params(usbdev); | |
2663 | ||
2664 | /* Early initialization settings, setting these won't have effect | |
2665 | * if called after generic_rndis_bind(). | |
2666 | */ | |
bf164cc0 | 2667 | |
a19d7292 JK |
2668 | rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
2669 | rndis_set_config_parameter_str(usbdev, "FrameBursting", | |
bf164cc0 | 2670 | priv->param_frameburst ? "1" : "0"); |
a19d7292 | 2671 | rndis_set_config_parameter_str(usbdev, "Afterburner", |
bf164cc0 JK |
2672 | priv->param_afterburner ? "1" : "0"); |
2673 | sprintf(buf, "%d", priv->param_power_save); | |
a19d7292 | 2674 | rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
bf164cc0 | 2675 | sprintf(buf, "%d", priv->param_power_output); |
a19d7292 | 2676 | rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
bf164cc0 | 2677 | sprintf(buf, "%d", priv->param_roamtrigger); |
a19d7292 | 2678 | rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
bf164cc0 | 2679 | sprintf(buf, "%d", priv->param_roamdelta); |
a19d7292 | 2680 | rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
bf164cc0 JK |
2681 | |
2682 | return 0; | |
2683 | } | |
2684 | ||
23d12e2b | 2685 | /* same as rndis_netdev_ops but with local multicast handler */ |
582241a0 | 2686 | static const struct net_device_ops rndis_wlan_netdev_ops = { |
23d12e2b DM |
2687 | .ndo_open = usbnet_open, |
2688 | .ndo_stop = usbnet_stop, | |
2689 | .ndo_start_xmit = usbnet_start_xmit, | |
2690 | .ndo_tx_timeout = usbnet_tx_timeout, | |
2691 | .ndo_set_mac_address = eth_mac_addr, | |
2692 | .ndo_validate_addr = eth_validate_addr, | |
582241a0 | 2693 | .ndo_set_multicast_list = rndis_wlan_set_multicast_list, |
23d12e2b DM |
2694 | }; |
2695 | ||
582241a0 | 2696 | static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2697 | { |
5c8fa4f7 | 2698 | struct wiphy *wiphy; |
582241a0 | 2699 | struct rndis_wlan_private *priv; |
bf164cc0 JK |
2700 | int retval, len; |
2701 | __le32 tmp; | |
2702 | ||
5c8fa4f7 JL |
2703 | /* allocate wiphy and rndis private data |
2704 | * NOTE: We only support a single virtual interface, so wiphy | |
2705 | * and wireless_dev are somewhat synonymous for this device. | |
2706 | */ | |
582241a0 | 2707 | wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private)); |
5c8fa4f7 | 2708 | if (!wiphy) |
bf164cc0 JK |
2709 | return -ENOMEM; |
2710 | ||
5c8fa4f7 JL |
2711 | priv = wiphy_priv(wiphy); |
2712 | usbdev->net->ieee80211_ptr = &priv->wdev; | |
2713 | priv->wdev.wiphy = wiphy; | |
2714 | priv->wdev.iftype = NL80211_IFTYPE_STATION; | |
2715 | ||
bf164cc0 | 2716 | /* These have to be initialized before calling generic_rndis_bind(). |
582241a0 | 2717 | * Otherwise we'll be in big trouble in rndis_wlan_early_init(). |
bf164cc0 | 2718 | */ |
a19d7292 | 2719 | usbdev->driver_priv = priv; |
a19d7292 | 2720 | priv->usbdev = usbdev; |
bf164cc0 JK |
2721 | |
2722 | mutex_init(&priv->command_lock); | |
bf164cc0 | 2723 | |
8d4d99ae JK |
2724 | /* because rndis_command() sleeps we need to use workqueue */ |
2725 | priv->workqueue = create_singlethread_workqueue("rndis_wlan"); | |
582241a0 | 2726 | INIT_WORK(&priv->work, rndis_wlan_worker); |
305e243e | 2727 | INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller); |
8d4d99ae JK |
2728 | INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results); |
2729 | ||
bf164cc0 | 2730 | /* try bind rndis_host */ |
a19d7292 | 2731 | retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
bf164cc0 JK |
2732 | if (retval < 0) |
2733 | goto fail; | |
2734 | ||
2735 | /* generic_rndis_bind set packet filter to multicast_all+ | |
2736 | * promisc mode which doesn't work well for our devices (device | |
2737 | * picks up rssi to closest station instead of to access point). | |
2738 | * | |
2739 | * rndis_host wants to avoid all OID as much as possible | |
582241a0 | 2740 | * so do promisc/multicast handling in rndis_wlan. |
bf164cc0 | 2741 | */ |
582241a0 | 2742 | usbdev->net->netdev_ops = &rndis_wlan_netdev_ops; |
23d12e2b | 2743 | |
bf164cc0 | 2744 | tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; |
a19d7292 | 2745 | retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp, |
bf164cc0 JK |
2746 | sizeof(tmp)); |
2747 | ||
2748 | len = sizeof(tmp); | |
a19d7292 JK |
2749 | retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, |
2750 | &len); | |
bf164cc0 JK |
2751 | priv->multicast_size = le32_to_cpu(tmp); |
2752 | if (retval < 0 || priv->multicast_size < 0) | |
2753 | priv->multicast_size = 0; | |
2754 | if (priv->multicast_size > 0) | |
a19d7292 | 2755 | usbdev->net->flags |= IFF_MULTICAST; |
bf164cc0 | 2756 | else |
a19d7292 | 2757 | usbdev->net->flags &= ~IFF_MULTICAST; |
bf164cc0 | 2758 | |
5c8fa4f7 JL |
2759 | /* fill-out wiphy structure and register w/ cfg80211 */ |
2760 | memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN); | |
2761 | wiphy->privid = rndis_wiphy_privid; | |
2762 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2763 | | BIT(NL80211_IFTYPE_ADHOC); | |
2764 | wiphy->max_scan_ssids = 1; | |
2765 | ||
4a7f13ee | 2766 | /* TODO: fill-out band/encr information based on priv->caps */ |
582241a0 | 2767 | rndis_wlan_get_caps(usbdev); |
5c8fa4f7 JL |
2768 | |
2769 | memcpy(priv->channels, rndis_channels, sizeof(rndis_channels)); | |
2770 | memcpy(priv->rates, rndis_rates, sizeof(rndis_rates)); | |
2771 | priv->band.channels = priv->channels; | |
2772 | priv->band.n_channels = ARRAY_SIZE(rndis_channels); | |
2773 | priv->band.bitrates = priv->rates; | |
2774 | priv->band.n_bitrates = ARRAY_SIZE(rndis_rates); | |
2775 | wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; | |
4d2a369e | 2776 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; |
5c8fa4f7 | 2777 | |
4a7f13ee JK |
2778 | memcpy(priv->cipher_suites, rndis_cipher_suites, |
2779 | sizeof(rndis_cipher_suites)); | |
2780 | wiphy->cipher_suites = priv->cipher_suites; | |
2781 | wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites); | |
2782 | ||
5c8fa4f7 JL |
2783 | set_wiphy_dev(wiphy, &usbdev->udev->dev); |
2784 | ||
2785 | if (wiphy_register(wiphy)) { | |
eb1a685e JK |
2786 | retval = -ENODEV; |
2787 | goto fail; | |
5c8fa4f7 JL |
2788 | } |
2789 | ||
a19d7292 | 2790 | set_default_iw_params(usbdev); |
bf164cc0 | 2791 | |
d75ec2b7 JK |
2792 | /* set default rts/frag */ |
2793 | rndis_set_wiphy_params(wiphy, | |
2794 | WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD); | |
2795 | ||
bf164cc0 | 2796 | /* turn radio on */ |
051ae0bf JK |
2797 | priv->radio_on = true; |
2798 | disassociate(usbdev, true); | |
a19d7292 | 2799 | netif_carrier_off(usbdev->net); |
bf164cc0 | 2800 | |
bf164cc0 JK |
2801 | return 0; |
2802 | ||
2803 | fail: | |
305e243e | 2804 | cancel_delayed_work_sync(&priv->dev_poller_work); |
8d4d99ae JK |
2805 | cancel_delayed_work_sync(&priv->scan_work); |
2806 | cancel_work_sync(&priv->work); | |
2807 | flush_workqueue(priv->workqueue); | |
2808 | destroy_workqueue(priv->workqueue); | |
2809 | ||
eb1a685e | 2810 | wiphy_free(wiphy); |
bf164cc0 JK |
2811 | return retval; |
2812 | } | |
2813 | ||
582241a0 | 2814 | static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2815 | { |
582241a0 | 2816 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2817 | |
2818 | /* turn radio off */ | |
051ae0bf | 2819 | disassociate(usbdev, false); |
bf164cc0 | 2820 | |
305e243e | 2821 | cancel_delayed_work_sync(&priv->dev_poller_work); |
71a7b26d | 2822 | cancel_delayed_work_sync(&priv->scan_work); |
bf164cc0 JK |
2823 | cancel_work_sync(&priv->work); |
2824 | flush_workqueue(priv->workqueue); | |
2825 | destroy_workqueue(priv->workqueue); | |
2826 | ||
2827 | if (priv && priv->wpa_ie_len) | |
2828 | kfree(priv->wpa_ie); | |
bf164cc0 | 2829 | |
a19d7292 | 2830 | rndis_unbind(usbdev, intf); |
5c8fa4f7 JL |
2831 | |
2832 | wiphy_unregister(priv->wdev.wiphy); | |
2833 | wiphy_free(priv->wdev.wiphy); | |
bf164cc0 JK |
2834 | } |
2835 | ||
582241a0 | 2836 | static int rndis_wlan_reset(struct usbnet *usbdev) |
bf164cc0 | 2837 | { |
110736de | 2838 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
7eaab708 | 2839 | int retval; |
110736de | 2840 | |
222ec50a | 2841 | devdbg(usbdev, "rndis_wlan_reset"); |
110736de | 2842 | |
7eaab708 JK |
2843 | retval = rndis_reset(usbdev); |
2844 | if (retval) | |
2845 | devwarn(usbdev, "rndis_reset() failed: %d", retval); | |
2846 | ||
e5a11a82 JK |
2847 | /* rndis_reset cleared multicast list, so restore here. |
2848 | (set_multicast_list() also turns on current packet filter) */ | |
7eaab708 JK |
2849 | set_multicast_list(usbdev); |
2850 | ||
305e243e JK |
2851 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
2852 | round_jiffies_relative(DEVICE_POLLER_JIFFIES)); | |
110736de | 2853 | |
a19d7292 | 2854 | return deauthenticate(usbdev); |
bf164cc0 JK |
2855 | } |
2856 | ||
222ec50a JK |
2857 | static int rndis_wlan_stop(struct usbnet *usbdev) |
2858 | { | |
110736de JK |
2859 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2860 | int retval; | |
e5a11a82 | 2861 | __le32 filter; |
110736de | 2862 | |
222ec50a | 2863 | devdbg(usbdev, "rndis_wlan_stop"); |
110736de | 2864 | |
051ae0bf | 2865 | retval = disassociate(usbdev, false); |
110736de JK |
2866 | |
2867 | priv->work_pending = 0; | |
305e243e | 2868 | cancel_delayed_work_sync(&priv->dev_poller_work); |
110736de JK |
2869 | cancel_delayed_work_sync(&priv->scan_work); |
2870 | cancel_work_sync(&priv->work); | |
2871 | flush_workqueue(priv->workqueue); | |
2872 | ||
005ba2f1 JK |
2873 | if (priv->scan_request) { |
2874 | cfg80211_scan_done(priv->scan_request, true); | |
2875 | priv->scan_request = NULL; | |
2876 | } | |
2877 | ||
e5a11a82 JK |
2878 | /* Set current packet filter zero to block receiving data packets from |
2879 | device. */ | |
2880 | filter = 0; | |
2881 | rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
2882 | sizeof(filter)); | |
2883 | ||
110736de | 2884 | return retval; |
222ec50a JK |
2885 | } |
2886 | ||
bf164cc0 JK |
2887 | static const struct driver_info bcm4320b_info = { |
2888 | .description = "Wireless RNDIS device, BCM4320b based", | |
1487cd5e JK |
2889 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
2890 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
2891 | .bind = rndis_wlan_bind, |
2892 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
2893 | .status = rndis_status, |
2894 | .rx_fixup = rndis_rx_fixup, | |
2895 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 2896 | .reset = rndis_wlan_reset, |
222ec50a | 2897 | .stop = rndis_wlan_stop, |
59620e9f | 2898 | .early_init = bcm4320b_early_init, |
2a4901bc | 2899 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
2900 | }; |
2901 | ||
2902 | static const struct driver_info bcm4320a_info = { | |
2903 | .description = "Wireless RNDIS device, BCM4320a based", | |
1487cd5e JK |
2904 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
2905 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
2906 | .bind = rndis_wlan_bind, |
2907 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
2908 | .status = rndis_status, |
2909 | .rx_fixup = rndis_rx_fixup, | |
2910 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 2911 | .reset = rndis_wlan_reset, |
222ec50a | 2912 | .stop = rndis_wlan_stop, |
59620e9f | 2913 | .early_init = bcm4320a_early_init, |
2a4901bc | 2914 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
2915 | }; |
2916 | ||
582241a0 | 2917 | static const struct driver_info rndis_wlan_info = { |
bf164cc0 | 2918 | .description = "Wireless RNDIS device", |
1487cd5e JK |
2919 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
2920 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
2921 | .bind = rndis_wlan_bind, |
2922 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
2923 | .status = rndis_status, |
2924 | .rx_fixup = rndis_rx_fixup, | |
2925 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 2926 | .reset = rndis_wlan_reset, |
222ec50a | 2927 | .stop = rndis_wlan_stop, |
59620e9f | 2928 | .early_init = bcm4320a_early_init, |
2a4901bc | 2929 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
2930 | }; |
2931 | ||
2932 | /*-------------------------------------------------------------------------*/ | |
2933 | ||
2934 | static const struct usb_device_id products [] = { | |
2935 | #define RNDIS_MASTER_INTERFACE \ | |
2936 | .bInterfaceClass = USB_CLASS_COMM, \ | |
2937 | .bInterfaceSubClass = 2 /* ACM */, \ | |
2938 | .bInterfaceProtocol = 0x0ff | |
2939 | ||
2940 | /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom | |
2941 | * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki. | |
2942 | */ | |
2943 | { | |
2944 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2945 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2946 | .idVendor = 0x0411, | |
2947 | .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */ | |
2948 | RNDIS_MASTER_INTERFACE, | |
2949 | .driver_info = (unsigned long) &bcm4320b_info, | |
2950 | }, { | |
2951 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2952 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2953 | .idVendor = 0x0baf, | |
2954 | .idProduct = 0x011b, /* U.S. Robotics USR5421 */ | |
2955 | RNDIS_MASTER_INTERFACE, | |
2956 | .driver_info = (unsigned long) &bcm4320b_info, | |
2957 | }, { | |
2958 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2959 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2960 | .idVendor = 0x050d, | |
2961 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
2962 | RNDIS_MASTER_INTERFACE, | |
2963 | .driver_info = (unsigned long) &bcm4320b_info, | |
2964 | }, { | |
2965 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2966 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2967 | .idVendor = 0x1799, /* Belkin has two vendor ids */ | |
2968 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
2969 | RNDIS_MASTER_INTERFACE, | |
2970 | .driver_info = (unsigned long) &bcm4320b_info, | |
2971 | }, { | |
2972 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2973 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2974 | .idVendor = 0x13b1, | |
2975 | .idProduct = 0x0014, /* Linksys WUSB54GSv2 */ | |
2976 | RNDIS_MASTER_INTERFACE, | |
2977 | .driver_info = (unsigned long) &bcm4320b_info, | |
2978 | }, { | |
2979 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2980 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2981 | .idVendor = 0x13b1, | |
2982 | .idProduct = 0x0026, /* Linksys WUSB54GSC */ | |
2983 | RNDIS_MASTER_INTERFACE, | |
2984 | .driver_info = (unsigned long) &bcm4320b_info, | |
2985 | }, { | |
2986 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2987 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2988 | .idVendor = 0x0b05, | |
2989 | .idProduct = 0x1717, /* Asus WL169gE */ | |
2990 | RNDIS_MASTER_INTERFACE, | |
2991 | .driver_info = (unsigned long) &bcm4320b_info, | |
2992 | }, { | |
2993 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2994 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2995 | .idVendor = 0x0a5c, | |
2996 | .idProduct = 0xd11b, /* Eminent EM4045 */ | |
2997 | RNDIS_MASTER_INTERFACE, | |
2998 | .driver_info = (unsigned long) &bcm4320b_info, | |
2999 | }, { | |
3000 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3001 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3002 | .idVendor = 0x1690, | |
3003 | .idProduct = 0x0715, /* BT Voyager 1055 */ | |
3004 | RNDIS_MASTER_INTERFACE, | |
3005 | .driver_info = (unsigned long) &bcm4320b_info, | |
3006 | }, | |
3007 | /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom | |
3008 | * parameters available, hardware probably contain older firmware version with | |
3009 | * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki. | |
3010 | */ | |
3011 | { | |
3012 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3013 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3014 | .idVendor = 0x13b1, | |
3015 | .idProduct = 0x000e, /* Linksys WUSB54GSv1 */ | |
3016 | RNDIS_MASTER_INTERFACE, | |
3017 | .driver_info = (unsigned long) &bcm4320a_info, | |
3018 | }, { | |
3019 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3020 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3021 | .idVendor = 0x0baf, | |
3022 | .idProduct = 0x0111, /* U.S. Robotics USR5420 */ | |
3023 | RNDIS_MASTER_INTERFACE, | |
3024 | .driver_info = (unsigned long) &bcm4320a_info, | |
3025 | }, { | |
3026 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3027 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3028 | .idVendor = 0x0411, | |
3029 | .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */ | |
3030 | RNDIS_MASTER_INTERFACE, | |
3031 | .driver_info = (unsigned long) &bcm4320a_info, | |
3032 | }, | |
3033 | /* Generic Wireless RNDIS devices that we don't have exact | |
3034 | * idVendor/idProduct/chip yet. | |
3035 | */ | |
3036 | { | |
3037 | /* RNDIS is MSFT's un-official variant of CDC ACM */ | |
3038 | USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), | |
582241a0 | 3039 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3040 | }, { |
3041 | /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ | |
3042 | USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), | |
582241a0 | 3043 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3044 | }, |
3045 | { }, // END | |
3046 | }; | |
3047 | MODULE_DEVICE_TABLE(usb, products); | |
3048 | ||
3049 | static struct usb_driver rndis_wlan_driver = { | |
3050 | .name = "rndis_wlan", | |
3051 | .id_table = products, | |
3052 | .probe = usbnet_probe, | |
3053 | .disconnect = usbnet_disconnect, | |
3054 | .suspend = usbnet_suspend, | |
3055 | .resume = usbnet_resume, | |
3056 | }; | |
3057 | ||
3058 | static int __init rndis_wlan_init(void) | |
3059 | { | |
3060 | return usb_register(&rndis_wlan_driver); | |
3061 | } | |
3062 | module_init(rndis_wlan_init); | |
3063 | ||
3064 | static void __exit rndis_wlan_exit(void) | |
3065 | { | |
3066 | usb_deregister(&rndis_wlan_driver); | |
3067 | } | |
3068 | module_exit(rndis_wlan_exit); | |
3069 | ||
3070 | MODULE_AUTHOR("Bjorge Dijkstra"); | |
3071 | MODULE_AUTHOR("Jussi Kivilinna"); | |
3072 | MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); | |
3073 | MODULE_LICENSE("GPL"); | |
3074 |