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 | 730 | if (ret < 0) |
60b86755 JP |
731 | netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", |
732 | __func__, oid_to_string(oid), ret, | |
733 | le32_to_cpu(u.get_c->status)); | |
27b7b5c1 | 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 | 743 | if (ret < 0) |
60b86755 JP |
744 | netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", |
745 | __func__, 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 | 793 | if (ret < 0) |
60b86755 JP |
794 | netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", |
795 | __func__, oid_to_string(oid), ret, | |
796 | le32_to_cpu(u.set_c->status)); | |
27b7b5c1 JK |
797 | |
798 | if (ret == 0) { | |
bf164cc0 JK |
799 | ret = rndis_error_status(u.set_c->status); |
800 | ||
27b7b5c1 | 801 | if (ret < 0) |
60b86755 JP |
802 | netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", |
803 | __func__, oid_to_string(oid), | |
804 | le32_to_cpu(u.set_c->status), ret); | |
27b7b5c1 JK |
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) | |
60b86755 JP |
873 | netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n", |
874 | param, (u8 *)value); | |
bf164cc0 | 875 | else |
60b86755 JP |
876 | netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n", |
877 | param, *(u32 *)value); | |
bf164cc0 | 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 | |
60b86755 | 900 | netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len); |
bf164cc0 JK |
901 | for (i = 0; i < info_len; i += 12) { |
902 | u32 *tmp = (u32 *)((u8 *)infobuf + i); | |
60b86755 JP |
903 | netdev_dbg(dev->net, "%08X:%08X:%08X\n", |
904 | cpu_to_be32(tmp[0]), | |
905 | cpu_to_be32(tmp[1]), | |
906 | cpu_to_be32(tmp[2])); | |
bf164cc0 JK |
907 | } |
908 | #endif | |
909 | ||
910 | ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER, | |
911 | infobuf, info_len); | |
912 | if (ret != 0) | |
60b86755 JP |
913 | netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n", |
914 | ret); | |
bf164cc0 JK |
915 | |
916 | kfree(infobuf); | |
917 | return ret; | |
918 | } | |
919 | ||
920 | static int rndis_set_config_parameter_str(struct usbnet *dev, | |
921 | char *param, char *value) | |
922 | { | |
c5c4fe90 | 923 | return rndis_set_config_parameter(dev, param, 2, value); |
bf164cc0 JK |
924 | } |
925 | ||
bf164cc0 JK |
926 | /* |
927 | * data conversion functions | |
928 | */ | |
929 | static int level_to_qual(int level) | |
930 | { | |
931 | int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); | |
932 | return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; | |
933 | } | |
934 | ||
bf164cc0 JK |
935 | /* |
936 | * common functions | |
937 | */ | |
9f77ccab | 938 | static int set_infra_mode(struct usbnet *usbdev, int mode); |
b7cfc5b3 | 939 | static void restore_keys(struct usbnet *usbdev); |
db0dd396 | 940 | static int rndis_check_bssid_list(struct usbnet *usbdev); |
bf164cc0 | 941 | |
1e41e1d2 | 942 | static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 | 943 | { |
582241a0 | 944 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
945 | int ret; |
946 | ||
947 | ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid)); | |
5c52323e | 948 | if (ret < 0) { |
60b86755 | 949 | netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret); |
5c52323e JK |
950 | return ret; |
951 | } | |
bf164cc0 JK |
952 | if (ret == 0) { |
953 | memcpy(&priv->essid, ssid, sizeof(priv->essid)); | |
051ae0bf | 954 | priv->radio_on = true; |
60b86755 | 955 | netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__); |
bf164cc0 JK |
956 | } |
957 | ||
958 | return ret; | |
959 | } | |
960 | ||
5c52323e JK |
961 | static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) |
962 | { | |
963 | int ret; | |
964 | ||
965 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); | |
966 | if (ret < 0) { | |
60b86755 JP |
967 | netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n", |
968 | bssid, ret); | |
5c52323e JK |
969 | return ret; |
970 | } | |
971 | ||
972 | return ret; | |
973 | } | |
974 | ||
975 | static int clear_bssid(struct usbnet *usbdev) | |
976 | { | |
977 | u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; | |
978 | ||
979 | return set_bssid(usbdev, broadcast_mac); | |
980 | } | |
bf164cc0 JK |
981 | |
982 | static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) | |
983 | { | |
984 | int ret, len; | |
985 | ||
986 | len = ETH_ALEN; | |
987 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len); | |
988 | ||
989 | if (ret != 0) | |
990 | memset(bssid, 0, ETH_ALEN); | |
991 | ||
992 | return ret; | |
993 | } | |
994 | ||
4364623c SA |
995 | static int get_association_info(struct usbnet *usbdev, |
996 | struct ndis_80211_assoc_info *info, int len) | |
997 | { | |
998 | return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, | |
999 | info, &len); | |
1000 | } | |
bf164cc0 | 1001 | |
5c52323e | 1002 | static bool is_associated(struct usbnet *usbdev) |
bf164cc0 | 1003 | { |
5c52323e | 1004 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1005 | u8 bssid[ETH_ALEN]; |
1006 | int ret; | |
1007 | ||
5c52323e JK |
1008 | if (!priv->radio_on) |
1009 | return false; | |
1010 | ||
bf164cc0 JK |
1011 | ret = get_bssid(usbdev, bssid); |
1012 | ||
7b1fff99 | 1013 | return (ret == 0 && !is_zero_ether_addr(bssid)); |
bf164cc0 JK |
1014 | } |
1015 | ||
051ae0bf | 1016 | static int disassociate(struct usbnet *usbdev, bool reset_ssid) |
bf164cc0 | 1017 | { |
582241a0 | 1018 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1019 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
1020 | int i, ret = 0; |
1021 | ||
1022 | if (priv->radio_on) { | |
1023 | ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0); | |
1024 | if (ret == 0) { | |
051ae0bf | 1025 | priv->radio_on = false; |
60b86755 JP |
1026 | netdev_dbg(usbdev->net, "%s(): radio_on = false\n", |
1027 | __func__); | |
bf164cc0 JK |
1028 | |
1029 | if (reset_ssid) | |
1030 | msleep(100); | |
1031 | } | |
1032 | } | |
1033 | ||
1034 | /* disassociate causes radio to be turned off; if reset_ssid | |
1035 | * is given, set random ssid to enable radio */ | |
1036 | if (reset_ssid) { | |
9f77ccab JK |
1037 | /* Set device to infrastructure mode so we don't get ad-hoc |
1038 | * 'media connect' indications with the random ssid. | |
1039 | */ | |
1040 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
1041 | ||
461b3f2a JK |
1042 | ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
1043 | get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); | |
1044 | ssid.essid[0] = 0x1; | |
1045 | ssid.essid[1] = 0xff; | |
1046 | for (i = 2; i < sizeof(ssid.essid); i++) | |
1047 | ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); | |
bf164cc0 JK |
1048 | ret = set_essid(usbdev, &ssid); |
1049 | } | |
1050 | return ret; | |
1051 | } | |
1052 | ||
5c52323e JK |
1053 | static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version, |
1054 | enum nl80211_auth_type auth_type, int keymgmt) | |
bf164cc0 | 1055 | { |
582241a0 | 1056 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1057 | __le32 tmp; |
1058 | int auth_mode, ret; | |
1059 | ||
60b86755 JP |
1060 | netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n", |
1061 | __func__, wpa_version, auth_type, keymgmt); | |
bf164cc0 | 1062 | |
5c52323e JK |
1063 | if (wpa_version & NL80211_WPA_VERSION_2) { |
1064 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1065 | auth_mode = NDIS_80211_AUTH_WPA2; |
bf164cc0 | 1066 | else |
aa18294a | 1067 | auth_mode = NDIS_80211_AUTH_WPA2_PSK; |
5c52323e JK |
1068 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
1069 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1070 | auth_mode = NDIS_80211_AUTH_WPA; |
5c52323e | 1071 | else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK) |
aa18294a | 1072 | auth_mode = NDIS_80211_AUTH_WPA_PSK; |
bf164cc0 | 1073 | else |
aa18294a | 1074 | auth_mode = NDIS_80211_AUTH_WPA_NONE; |
5c52323e JK |
1075 | } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
1076 | auth_mode = NDIS_80211_AUTH_SHARED; | |
1077 | else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) | |
aa18294a | 1078 | auth_mode = NDIS_80211_AUTH_OPEN; |
634a555c JK |
1079 | else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC) |
1080 | auth_mode = NDIS_80211_AUTH_AUTO_SWITCH; | |
5c52323e JK |
1081 | else |
1082 | return -ENOTSUPP; | |
bf164cc0 JK |
1083 | |
1084 | tmp = cpu_to_le32(auth_mode); | |
1085 | ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, | |
1086 | sizeof(tmp)); | |
1087 | if (ret != 0) { | |
60b86755 JP |
1088 | netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n", |
1089 | ret); | |
bf164cc0 JK |
1090 | return ret; |
1091 | } | |
1092 | ||
1093 | priv->wpa_version = wpa_version; | |
5c52323e JK |
1094 | priv->wpa_auth_type = auth_type; |
1095 | priv->wpa_keymgmt = keymgmt; | |
1096 | ||
bf164cc0 JK |
1097 | return 0; |
1098 | } | |
1099 | ||
bf164cc0 JK |
1100 | static int set_priv_filter(struct usbnet *usbdev) |
1101 | { | |
582241a0 | 1102 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1103 | __le32 tmp; |
1104 | ||
60b86755 JP |
1105 | netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n", |
1106 | __func__, priv->wpa_version); | |
bf164cc0 | 1107 | |
5c52323e JK |
1108 | if (priv->wpa_version & NL80211_WPA_VERSION_2 || |
1109 | priv->wpa_version & NL80211_WPA_VERSION_1) | |
aa18294a | 1110 | tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP); |
bf164cc0 | 1111 | else |
aa18294a | 1112 | tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL); |
bf164cc0 JK |
1113 | |
1114 | return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp, | |
1115 | sizeof(tmp)); | |
1116 | } | |
1117 | ||
bf164cc0 JK |
1118 | static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) |
1119 | { | |
582241a0 | 1120 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1121 | __le32 tmp; |
1122 | int encr_mode, ret; | |
1123 | ||
60b86755 JP |
1124 | netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n", |
1125 | __func__, pairwise, groupwise); | |
bf164cc0 | 1126 | |
5c52323e | 1127 | if (pairwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1128 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1129 | else if (pairwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1130 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
5c52323e | 1131 | else if (pairwise & RNDIS_WLAN_ALG_WEP) |
aa18294a | 1132 | encr_mode = NDIS_80211_ENCR_WEP_ENABLED; |
5c52323e | 1133 | else if (groupwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1134 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1135 | else if (groupwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1136 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
bf164cc0 | 1137 | else |
aa18294a | 1138 | encr_mode = NDIS_80211_ENCR_DISABLED; |
bf164cc0 JK |
1139 | |
1140 | tmp = cpu_to_le32(encr_mode); | |
1141 | ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, | |
1142 | sizeof(tmp)); | |
1143 | if (ret != 0) { | |
60b86755 JP |
1144 | netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n", |
1145 | ret); | |
bf164cc0 JK |
1146 | return ret; |
1147 | } | |
1148 | ||
1149 | priv->wpa_cipher_pair = pairwise; | |
1150 | priv->wpa_cipher_group = groupwise; | |
1151 | return 0; | |
1152 | } | |
1153 | ||
bf164cc0 JK |
1154 | static int set_infra_mode(struct usbnet *usbdev, int mode) |
1155 | { | |
582241a0 | 1156 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 1157 | __le32 tmp; |
b7cfc5b3 | 1158 | int ret; |
bf164cc0 | 1159 | |
60b86755 JP |
1160 | netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n", |
1161 | __func__, priv->infra_mode); | |
bf164cc0 JK |
1162 | |
1163 | tmp = cpu_to_le32(mode); | |
1164 | ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, | |
1165 | sizeof(tmp)); | |
1166 | if (ret != 0) { | |
60b86755 JP |
1167 | netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n", |
1168 | ret); | |
bf164cc0 JK |
1169 | return ret; |
1170 | } | |
1171 | ||
1172 | /* NDIS drivers clear keys when infrastructure mode is | |
1173 | * changed. But Linux tools assume otherwise. So set the | |
1174 | * keys */ | |
b7cfc5b3 | 1175 | restore_keys(usbdev); |
bf164cc0 JK |
1176 | |
1177 | priv->infra_mode = mode; | |
1178 | return 0; | |
1179 | } | |
1180 | ||
d75ec2b7 JK |
1181 | static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) |
1182 | { | |
1183 | __le32 tmp; | |
1184 | ||
60b86755 | 1185 | netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); |
d75ec2b7 JK |
1186 | |
1187 | if (rts_threshold < 0 || rts_threshold > 2347) | |
1188 | rts_threshold = 2347; | |
1189 | ||
1190 | tmp = cpu_to_le32(rts_threshold); | |
1191 | return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, | |
1192 | sizeof(tmp)); | |
1193 | } | |
1194 | ||
d75ec2b7 JK |
1195 | static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold) |
1196 | { | |
1197 | __le32 tmp; | |
1198 | ||
60b86755 | 1199 | netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold); |
d75ec2b7 JK |
1200 | |
1201 | if (frag_threshold < 256 || frag_threshold > 2346) | |
1202 | frag_threshold = 2346; | |
1203 | ||
1204 | tmp = cpu_to_le32(frag_threshold); | |
1205 | return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, | |
1206 | sizeof(tmp)); | |
1207 | } | |
1208 | ||
bf164cc0 JK |
1209 | static void set_default_iw_params(struct usbnet *usbdev) |
1210 | { | |
aa18294a | 1211 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); |
5c52323e JK |
1212 | set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM, |
1213 | RNDIS_WLAN_KEY_MGMT_NONE); | |
bf164cc0 | 1214 | set_priv_filter(usbdev); |
5c52323e | 1215 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1216 | } |
1217 | ||
bf164cc0 JK |
1218 | static int deauthenticate(struct usbnet *usbdev) |
1219 | { | |
1220 | int ret; | |
1221 | ||
051ae0bf | 1222 | ret = disassociate(usbdev, true); |
bf164cc0 JK |
1223 | set_default_iw_params(usbdev); |
1224 | return ret; | |
1225 | } | |
1226 | ||
5c52323e JK |
1227 | static int set_channel(struct usbnet *usbdev, int channel) |
1228 | { | |
1229 | struct ndis_80211_conf config; | |
1230 | unsigned int dsconfig; | |
1231 | int len, ret; | |
1232 | ||
60b86755 | 1233 | netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel); |
5c52323e JK |
1234 | |
1235 | /* this OID is valid only when not associated */ | |
1236 | if (is_associated(usbdev)) | |
1237 | return 0; | |
1238 | ||
1239 | dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000; | |
1240 | ||
1241 | len = sizeof(config); | |
1242 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
1243 | if (ret < 0) { | |
60b86755 JP |
1244 | netdev_dbg(usbdev->net, "%s(): querying configuration failed\n", |
1245 | __func__); | |
5c52323e JK |
1246 | return ret; |
1247 | } | |
1248 | ||
1249 | config.ds_config = cpu_to_le32(dsconfig); | |
1250 | ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config, | |
1251 | sizeof(config)); | |
1252 | ||
60b86755 | 1253 | netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret); |
5c52323e JK |
1254 | |
1255 | return ret; | |
1256 | } | |
1257 | ||
bf164cc0 | 1258 | /* index must be 0 - N, as per NDIS */ |
5c52323e JK |
1259 | static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len, |
1260 | int index) | |
bf164cc0 | 1261 | { |
582241a0 | 1262 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1263 | struct ndis_80211_wep_key ndis_key; |
84bf8400 JK |
1264 | u32 cipher; |
1265 | int ret; | |
1266 | ||
60b86755 JP |
1267 | netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n", |
1268 | __func__, index, key_len); | |
bf164cc0 | 1269 | |
40ba60dd | 1270 | if ((key_len != 5 && key_len != 13) || index < 0 || index > 3) |
bf164cc0 JK |
1271 | return -EINVAL; |
1272 | ||
b7cfc5b3 JK |
1273 | if (key_len == 5) |
1274 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
1275 | else | |
1276 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
1277 | ||
bf164cc0 JK |
1278 | memset(&ndis_key, 0, sizeof(ndis_key)); |
1279 | ||
461b3f2a JK |
1280 | ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
1281 | ndis_key.length = cpu_to_le32(key_len); | |
1282 | ndis_key.index = cpu_to_le32(index); | |
1283 | memcpy(&ndis_key.material, key, key_len); | |
bf164cc0 JK |
1284 | |
1285 | if (index == priv->encr_tx_key_index) { | |
aa18294a | 1286 | ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY; |
5c52323e JK |
1287 | ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP, |
1288 | RNDIS_WLAN_ALG_NONE); | |
bf164cc0 | 1289 | if (ret) |
60b86755 JP |
1290 | netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n", |
1291 | ret); | |
bf164cc0 JK |
1292 | } |
1293 | ||
1294 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key, | |
1295 | sizeof(ndis_key)); | |
1296 | if (ret != 0) { | |
60b86755 JP |
1297 | netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n", |
1298 | index + 1, ret); | |
bf164cc0 JK |
1299 | return ret; |
1300 | } | |
1301 | ||
b7cfc5b3 JK |
1302 | priv->encr_keys[index].len = key_len; |
1303 | priv->encr_keys[index].cipher = cipher; | |
1304 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1305 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
bf164cc0 JK |
1306 | |
1307 | return 0; | |
1308 | } | |
1309 | ||
b145ee0c | 1310 | static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len, |
84bf8400 | 1311 | int index, const u8 *addr, const u8 *rx_seq, |
53d27eaf | 1312 | int seq_len, u32 cipher, __le32 flags) |
b145ee0c | 1313 | { |
582241a0 | 1314 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
b145ee0c | 1315 | struct ndis_80211_key ndis_key; |
b7cfc5b3 | 1316 | bool is_addr_ok; |
b145ee0c JK |
1317 | int ret; |
1318 | ||
b7cfc5b3 | 1319 | if (index < 0 || index >= 4) { |
60b86755 JP |
1320 | netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n", |
1321 | __func__, index); | |
b145ee0c | 1322 | return -EINVAL; |
b7cfc5b3 JK |
1323 | } |
1324 | if (key_len > sizeof(ndis_key.material) || key_len < 0) { | |
60b86755 JP |
1325 | netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n", |
1326 | __func__, key_len); | |
b145ee0c | 1327 | return -EINVAL; |
b7cfc5b3 | 1328 | } |
84bf8400 JK |
1329 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) { |
1330 | if (!rx_seq || seq_len <= 0) { | |
60b86755 JP |
1331 | netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n", |
1332 | __func__); | |
84bf8400 JK |
1333 | return -EINVAL; |
1334 | } | |
1335 | if (rx_seq && seq_len > sizeof(ndis_key.rsc)) { | |
60b86755 | 1336 | netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__); |
84bf8400 JK |
1337 | return -EINVAL; |
1338 | } | |
b7cfc5b3 | 1339 | } |
84bf8400 | 1340 | |
7b1fff99 JK |
1341 | is_addr_ok = addr && !is_zero_ether_addr(addr) && |
1342 | !is_broadcast_ether_addr(addr); | |
b7cfc5b3 | 1343 | if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) { |
60b86755 JP |
1344 | netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n", |
1345 | __func__, addr); | |
b145ee0c | 1346 | return -EINVAL; |
b7cfc5b3 | 1347 | } |
b145ee0c | 1348 | |
60b86755 JP |
1349 | netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n", |
1350 | __func__, index, | |
1351 | !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY), | |
1352 | !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY), | |
1353 | !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)); | |
b145ee0c JK |
1354 | |
1355 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
1356 | ||
1357 | ndis_key.size = cpu_to_le32(sizeof(ndis_key) - | |
1358 | sizeof(ndis_key.material) + key_len); | |
1359 | ndis_key.length = cpu_to_le32(key_len); | |
1360 | ndis_key.index = cpu_to_le32(index) | flags; | |
1361 | ||
b7cfc5b3 | 1362 | if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) { |
b145ee0c JK |
1363 | /* wpa_supplicant gives us the Michael MIC RX/TX keys in |
1364 | * different order than NDIS spec, so swap the order here. */ | |
1365 | memcpy(ndis_key.material, key, 16); | |
1366 | memcpy(ndis_key.material + 16, key + 24, 8); | |
1367 | memcpy(ndis_key.material + 24, key + 16, 8); | |
1368 | } else | |
1369 | memcpy(ndis_key.material, key, key_len); | |
1370 | ||
aa18294a | 1371 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) |
84bf8400 | 1372 | memcpy(ndis_key.rsc, rx_seq, seq_len); |
b145ee0c | 1373 | |
aa18294a | 1374 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) { |
b145ee0c | 1375 | /* pairwise key */ |
b7cfc5b3 | 1376 | memcpy(ndis_key.bssid, addr, ETH_ALEN); |
b145ee0c JK |
1377 | } else { |
1378 | /* group key */ | |
aa18294a | 1379 | if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) |
b145ee0c JK |
1380 | memset(ndis_key.bssid, 0xff, ETH_ALEN); |
1381 | else | |
1382 | get_bssid(usbdev, ndis_key.bssid); | |
1383 | } | |
1384 | ||
1385 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key, | |
1386 | le32_to_cpu(ndis_key.size)); | |
60b86755 JP |
1387 | netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n", |
1388 | __func__, ret); | |
b145ee0c JK |
1389 | if (ret != 0) |
1390 | return ret; | |
1391 | ||
b7cfc5b3 JK |
1392 | memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); |
1393 | priv->encr_keys[index].len = key_len; | |
1394 | priv->encr_keys[index].cipher = cipher; | |
1395 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1396 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) | |
1397 | memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN); | |
1398 | else | |
1399 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
9839178e | 1400 | |
aa18294a | 1401 | if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY) |
b145ee0c JK |
1402 | priv->encr_tx_key_index = index; |
1403 | ||
1404 | return 0; | |
1405 | } | |
1406 | ||
b7cfc5b3 JK |
1407 | static int restore_key(struct usbnet *usbdev, int key_idx) |
1408 | { | |
1409 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1410 | struct rndis_wlan_encr_key key; | |
84bf8400 JK |
1411 | |
1412 | if (is_wpa_key(priv, key_idx)) | |
1413 | return 0; | |
b7cfc5b3 JK |
1414 | |
1415 | key = priv->encr_keys[key_idx]; | |
1416 | ||
60b86755 | 1417 | netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len); |
b7cfc5b3 JK |
1418 | |
1419 | if (key.len == 0) | |
1420 | return 0; | |
1421 | ||
b7cfc5b3 JK |
1422 | return add_wep_key(usbdev, key.material, key.len, key_idx); |
1423 | } | |
1424 | ||
b7cfc5b3 JK |
1425 | static void restore_keys(struct usbnet *usbdev) |
1426 | { | |
1427 | int i; | |
1428 | ||
1429 | for (i = 0; i < 4; i++) | |
1430 | restore_key(usbdev, i); | |
1431 | } | |
1432 | ||
b7cfc5b3 JK |
1433 | static void clear_key(struct rndis_wlan_private *priv, int idx) |
1434 | { | |
1435 | memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx])); | |
1436 | } | |
1437 | ||
bf164cc0 | 1438 | /* remove_key is for both wep and wpa */ |
84bf8400 | 1439 | static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid) |
bf164cc0 | 1440 | { |
582241a0 | 1441 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1442 | struct ndis_80211_remove_key remove_key; |
bf164cc0 | 1443 | __le32 keyindex; |
b7cfc5b3 | 1444 | bool is_wpa; |
bf164cc0 JK |
1445 | int ret; |
1446 | ||
b7cfc5b3 | 1447 | if (priv->encr_keys[index].len == 0) |
bf164cc0 JK |
1448 | return 0; |
1449 | ||
b7cfc5b3 | 1450 | is_wpa = is_wpa_key(priv, index); |
bf164cc0 | 1451 | |
60b86755 JP |
1452 | netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n", |
1453 | __func__, index, is_wpa ? "wpa" : "wep", | |
1454 | priv->encr_keys[index].len); | |
b7cfc5b3 JK |
1455 | |
1456 | clear_key(priv, index); | |
1457 | ||
1458 | if (is_wpa) { | |
461b3f2a JK |
1459 | remove_key.size = cpu_to_le32(sizeof(remove_key)); |
1460 | remove_key.index = cpu_to_le32(index); | |
bf164cc0 JK |
1461 | if (bssid) { |
1462 | /* pairwise key */ | |
7b1fff99 | 1463 | if (!is_broadcast_ether_addr(bssid)) |
b4703a2e | 1464 | remove_key.index |= |
aa18294a | 1465 | NDIS_80211_ADDKEY_PAIRWISE_KEY; |
461b3f2a JK |
1466 | memcpy(remove_key.bssid, bssid, |
1467 | sizeof(remove_key.bssid)); | |
bf164cc0 | 1468 | } else |
461b3f2a JK |
1469 | memset(remove_key.bssid, 0xff, |
1470 | sizeof(remove_key.bssid)); | |
bf164cc0 JK |
1471 | |
1472 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key, | |
1473 | sizeof(remove_key)); | |
1474 | if (ret != 0) | |
1475 | return ret; | |
1476 | } else { | |
1477 | keyindex = cpu_to_le32(index); | |
1478 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex, | |
1479 | sizeof(keyindex)); | |
1480 | if (ret != 0) { | |
60b86755 JP |
1481 | netdev_warn(usbdev->net, |
1482 | "removing encryption key %d failed (%08X)\n", | |
1483 | index, ret); | |
bf164cc0 JK |
1484 | return ret; |
1485 | } | |
1486 | } | |
1487 | ||
1488 | /* if it is transmit key, disable encryption */ | |
1489 | if (index == priv->encr_tx_key_index) | |
5c52323e | 1490 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1491 | |
1492 | return 0; | |
1493 | } | |
1494 | ||
bf164cc0 JK |
1495 | static void set_multicast_list(struct usbnet *usbdev) |
1496 | { | |
582241a0 | 1497 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1498 | struct dev_mc_list *mclist; |
1499 | __le32 filter; | |
1500 | int ret, i, size; | |
1501 | char *buf; | |
1502 | ||
1503 | filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; | |
1504 | ||
655ffee2 | 1505 | netif_addr_lock_bh(usbdev->net); |
bf164cc0 JK |
1506 | if (usbdev->net->flags & IFF_PROMISC) { |
1507 | filter |= RNDIS_PACKET_TYPE_PROMISCUOUS | | |
1508 | RNDIS_PACKET_TYPE_ALL_LOCAL; | |
1509 | } else if (usbdev->net->flags & IFF_ALLMULTI || | |
4cd24eaf | 1510 | netdev_mc_count(usbdev->net) > priv->multicast_size) { |
bf164cc0 | 1511 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; |
4cd24eaf JP |
1512 | } else if (!netdev_mc_empty(usbdev->net)) { |
1513 | size = min(priv->multicast_size, netdev_mc_count(usbdev->net)); | |
bf164cc0 JK |
1514 | buf = kmalloc(size * ETH_ALEN, GFP_KERNEL); |
1515 | if (!buf) { | |
60b86755 JP |
1516 | netdev_warn(usbdev->net, |
1517 | "couldn't alloc %d bytes of memory\n", | |
1518 | size * ETH_ALEN); | |
655ffee2 | 1519 | netif_addr_unlock_bh(usbdev->net); |
bf164cc0 JK |
1520 | return; |
1521 | } | |
1522 | ||
655ffee2 JP |
1523 | i = 0; |
1524 | netdev_for_each_mc_addr(mclist, usbdev->net) { | |
1525 | if (i == size) | |
1526 | break; | |
1527 | memcpy(buf + i++ * ETH_ALEN, mclist->dmi_addr, ETH_ALEN); | |
bf164cc0 JK |
1528 | } |
1529 | ||
1530 | ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf, | |
1531 | i * ETH_ALEN); | |
1532 | if (ret == 0 && i > 0) | |
1533 | filter |= RNDIS_PACKET_TYPE_MULTICAST; | |
1534 | else | |
1535 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1536 | ||
60b86755 JP |
1537 | netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n", |
1538 | i, priv->multicast_size, ret); | |
bf164cc0 JK |
1539 | |
1540 | kfree(buf); | |
1541 | } | |
655ffee2 | 1542 | netif_addr_unlock_bh(usbdev->net); |
bf164cc0 JK |
1543 | |
1544 | ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
1545 | sizeof(filter)); | |
1546 | if (ret < 0) { | |
60b86755 JP |
1547 | netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n", |
1548 | le32_to_cpu(filter)); | |
bf164cc0 JK |
1549 | } |
1550 | ||
60b86755 JP |
1551 | netdev_dbg(usbdev->net, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n", |
1552 | le32_to_cpu(filter), ret); | |
bf164cc0 JK |
1553 | } |
1554 | ||
964c1d41 JL |
1555 | /* |
1556 | * cfg80211 ops | |
1557 | */ | |
e36d56b6 JB |
1558 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
1559 | struct net_device *dev, | |
964c1d41 JL |
1560 | enum nl80211_iftype type, u32 *flags, |
1561 | struct vif_params *params) | |
1562 | { | |
16139172 JK |
1563 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); |
1564 | struct usbnet *usbdev = priv->usbdev; | |
964c1d41 JL |
1565 | int mode; |
1566 | ||
964c1d41 JL |
1567 | switch (type) { |
1568 | case NL80211_IFTYPE_ADHOC: | |
aa18294a | 1569 | mode = NDIS_80211_INFRA_ADHOC; |
964c1d41 JL |
1570 | break; |
1571 | case NL80211_IFTYPE_STATION: | |
aa18294a | 1572 | mode = NDIS_80211_INFRA_INFRA; |
964c1d41 JL |
1573 | break; |
1574 | default: | |
1575 | return -EINVAL; | |
1576 | } | |
1577 | ||
16139172 JK |
1578 | priv->wdev.iftype = type; |
1579 | ||
964c1d41 JL |
1580 | return set_infra_mode(usbdev, mode); |
1581 | } | |
1582 | ||
d75ec2b7 JK |
1583 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1584 | { | |
1585 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1586 | struct usbnet *usbdev = priv->usbdev; | |
1587 | int err; | |
1588 | ||
1589 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
1590 | err = set_frag_threshold(usbdev, wiphy->frag_threshold); | |
1591 | if (err < 0) | |
1592 | return err; | |
1593 | } | |
1594 | ||
1595 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1596 | err = set_rts_threshold(usbdev, wiphy->rts_threshold); | |
1597 | if (err < 0) | |
1598 | return err; | |
1599 | } | |
1600 | ||
1601 | return 0; | |
1602 | } | |
1603 | ||
222ec50a JK |
1604 | static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type, |
1605 | int dbm) | |
1606 | { | |
1607 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1608 | struct usbnet *usbdev = priv->usbdev; | |
1609 | ||
60b86755 JP |
1610 | netdev_dbg(usbdev->net, "%s(): type:0x%x dbm:%i\n", |
1611 | __func__, type, dbm); | |
222ec50a JK |
1612 | |
1613 | /* Device doesn't support changing txpower after initialization, only | |
1614 | * turn off/on radio. Support 'auto' mode and setting same dBm that is | |
1615 | * currently used. | |
1616 | */ | |
1617 | if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) { | |
1618 | if (!priv->radio_on) | |
051ae0bf | 1619 | disassociate(usbdev, true); /* turn on radio */ |
222ec50a JK |
1620 | |
1621 | return 0; | |
1622 | } | |
1623 | ||
1624 | return -ENOTSUPP; | |
1625 | } | |
1626 | ||
222ec50a JK |
1627 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm) |
1628 | { | |
1629 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1630 | struct usbnet *usbdev = priv->usbdev; | |
1631 | ||
1632 | *dbm = get_bcm4320_power_dbm(priv); | |
1633 | ||
60b86755 | 1634 | netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm); |
222ec50a JK |
1635 | |
1636 | return 0; | |
1637 | } | |
1638 | ||
b1d25a67 | 1639 | #define SCAN_DELAY_JIFFIES (6 * HZ) |
71a7b26d JK |
1640 | static int rndis_scan(struct wiphy *wiphy, struct net_device *dev, |
1641 | struct cfg80211_scan_request *request) | |
1642 | { | |
1643 | struct usbnet *usbdev = netdev_priv(dev); | |
582241a0 | 1644 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d JK |
1645 | int ret; |
1646 | __le32 tmp; | |
1647 | ||
60b86755 | 1648 | netdev_dbg(usbdev->net, "cfg80211.scan\n"); |
71a7b26d | 1649 | |
db0dd396 JK |
1650 | /* Get current bssid list from device before new scan, as new scan |
1651 | * clears internal bssid list. | |
1652 | */ | |
1653 | rndis_check_bssid_list(usbdev); | |
1654 | ||
71a7b26d JK |
1655 | if (!request) |
1656 | return -EINVAL; | |
1657 | ||
1658 | if (priv->scan_request && priv->scan_request != request) | |
1659 | return -EBUSY; | |
1660 | ||
1661 | priv->scan_request = request; | |
1662 | ||
1663 | tmp = cpu_to_le32(1); | |
1664 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, | |
1665 | sizeof(tmp)); | |
1666 | if (ret == 0) { | |
1667 | /* Wait before retrieving scan results from device */ | |
1668 | queue_delayed_work(priv->workqueue, &priv->scan_work, | |
1669 | SCAN_DELAY_JIFFIES); | |
1670 | } | |
1671 | ||
1672 | return ret; | |
1673 | } | |
1674 | ||
71a7b26d JK |
1675 | static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev, |
1676 | struct ndis_80211_bssid_ex *bssid) | |
1677 | { | |
582241a0 | 1678 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d JK |
1679 | struct ieee80211_channel *channel; |
1680 | s32 signal; | |
1681 | u64 timestamp; | |
1682 | u16 capability; | |
1683 | u16 beacon_interval; | |
1684 | struct ndis_80211_fixed_ies *fixed; | |
1685 | int ie_len, bssid_len; | |
1686 | u8 *ie; | |
1687 | ||
60b86755 JP |
1688 | netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM]\n", |
1689 | bssid->ssid.essid, bssid->mac); | |
5fd8f250 | 1690 | |
71a7b26d JK |
1691 | /* parse bssid structure */ |
1692 | bssid_len = le32_to_cpu(bssid->length); | |
1693 | ||
1694 | if (bssid_len < sizeof(struct ndis_80211_bssid_ex) + | |
1695 | sizeof(struct ndis_80211_fixed_ies)) | |
1696 | return NULL; | |
1697 | ||
1698 | fixed = (struct ndis_80211_fixed_ies *)bssid->ies; | |
1699 | ||
1700 | ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); | |
1701 | ie_len = min(bssid_len - (int)sizeof(*bssid), | |
1702 | (int)le32_to_cpu(bssid->ie_length)); | |
1703 | ie_len -= sizeof(struct ndis_80211_fixed_ies); | |
1704 | if (ie_len < 0) | |
1705 | return NULL; | |
1706 | ||
1707 | /* extract data for cfg80211_inform_bss */ | |
1708 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
1709 | KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config))); | |
1710 | if (!channel) | |
1711 | return NULL; | |
1712 | ||
1713 | signal = level_to_qual(le32_to_cpu(bssid->rssi)); | |
1714 | timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp); | |
1715 | capability = le16_to_cpu(fixed->capabilities); | |
1716 | beacon_interval = le16_to_cpu(fixed->beacon_interval); | |
1717 | ||
1718 | return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac, | |
1719 | timestamp, capability, beacon_interval, ie, ie_len, signal, | |
1720 | GFP_KERNEL); | |
1721 | } | |
1722 | ||
71a7b26d JK |
1723 | static int rndis_check_bssid_list(struct usbnet *usbdev) |
1724 | { | |
1725 | void *buf = NULL; | |
1726 | struct ndis_80211_bssid_list_ex *bssid_list; | |
1727 | struct ndis_80211_bssid_ex *bssid; | |
1728 | int ret = -EINVAL, len, count, bssid_len; | |
5fd8f250 | 1729 | bool resized = false; |
71a7b26d | 1730 | |
60b86755 | 1731 | netdev_dbg(usbdev->net, "check_bssid_list\n"); |
71a7b26d JK |
1732 | |
1733 | len = CONTROL_BUFFER_SIZE; | |
5fd8f250 | 1734 | resize_buf: |
71a7b26d JK |
1735 | buf = kmalloc(len, GFP_KERNEL); |
1736 | if (!buf) { | |
1737 | ret = -ENOMEM; | |
1738 | goto out; | |
1739 | } | |
1740 | ||
1741 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
1742 | if (ret != 0) | |
1743 | goto out; | |
1744 | ||
5fd8f250 JK |
1745 | if (!resized && len > CONTROL_BUFFER_SIZE) { |
1746 | resized = true; | |
1747 | kfree(buf); | |
1748 | goto resize_buf; | |
1749 | } | |
1750 | ||
71a7b26d JK |
1751 | bssid_list = buf; |
1752 | bssid = bssid_list->bssid; | |
1753 | bssid_len = le32_to_cpu(bssid->length); | |
1754 | count = le32_to_cpu(bssid_list->num_items); | |
60b86755 JP |
1755 | netdev_dbg(usbdev->net, "check_bssid_list: %d BSSIDs found (buflen: %d)\n", |
1756 | count, len); | |
71a7b26d JK |
1757 | |
1758 | while (count && ((void *)bssid + bssid_len) <= (buf + len)) { | |
1759 | rndis_bss_info_update(usbdev, bssid); | |
1760 | ||
1761 | bssid = (void *)bssid + bssid_len; | |
1762 | bssid_len = le32_to_cpu(bssid->length); | |
1763 | count--; | |
1764 | } | |
1765 | ||
1766 | out: | |
1767 | kfree(buf); | |
1768 | return ret; | |
1769 | } | |
1770 | ||
71a7b26d JK |
1771 | static void rndis_get_scan_results(struct work_struct *work) |
1772 | { | |
582241a0 JK |
1773 | struct rndis_wlan_private *priv = |
1774 | container_of(work, struct rndis_wlan_private, scan_work.work); | |
71a7b26d JK |
1775 | struct usbnet *usbdev = priv->usbdev; |
1776 | int ret; | |
1777 | ||
60b86755 | 1778 | netdev_dbg(usbdev->net, "get_scan_results\n"); |
71a7b26d | 1779 | |
005ba2f1 JK |
1780 | if (!priv->scan_request) |
1781 | return; | |
1782 | ||
71a7b26d JK |
1783 | ret = rndis_check_bssid_list(usbdev); |
1784 | ||
1785 | cfg80211_scan_done(priv->scan_request, ret < 0); | |
1786 | ||
1787 | priv->scan_request = NULL; | |
1788 | } | |
1789 | ||
5c52323e JK |
1790 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
1791 | struct cfg80211_connect_params *sme) | |
1792 | { | |
1793 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1794 | struct usbnet *usbdev = priv->usbdev; | |
1795 | struct ieee80211_channel *channel = sme->channel; | |
1796 | struct ndis_80211_ssid ssid; | |
1797 | int pairwise = RNDIS_WLAN_ALG_NONE; | |
1798 | int groupwise = RNDIS_WLAN_ALG_NONE; | |
1799 | int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE; | |
1800 | int length, i, ret, chan = -1; | |
1801 | ||
1802 | if (channel) | |
1803 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
1804 | ||
1805 | groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group); | |
1806 | for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) | |
1807 | pairwise |= | |
1808 | rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]); | |
1809 | ||
1810 | if (sme->crypto.n_ciphers_pairwise > 0 && | |
1811 | pairwise == RNDIS_WLAN_ALG_NONE) { | |
60b86755 | 1812 | netdev_err(usbdev->net, "Unsupported pairwise cipher\n"); |
5c52323e JK |
1813 | return -ENOTSUPP; |
1814 | } | |
1815 | ||
1816 | for (i = 0; i < sme->crypto.n_akm_suites; i++) | |
1817 | keymgmt |= | |
1818 | rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]); | |
1819 | ||
1820 | if (sme->crypto.n_akm_suites > 0 && | |
1821 | keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) { | |
60b86755 | 1822 | netdev_err(usbdev->net, "Invalid keymgmt\n"); |
5c52323e JK |
1823 | return -ENOTSUPP; |
1824 | } | |
1825 | ||
60b86755 JP |
1826 | netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n", |
1827 | sme->ssid, sme->bssid, chan, | |
1828 | sme->privacy, sme->crypto.wpa_versions, sme->auth_type, | |
1829 | groupwise, pairwise, keymgmt); | |
5c52323e JK |
1830 | |
1831 | if (is_associated(usbdev)) | |
1832 | disassociate(usbdev, false); | |
1833 | ||
1834 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
1835 | if (ret < 0) { | |
60b86755 JP |
1836 | netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n", |
1837 | ret); | |
5c52323e JK |
1838 | goto err_turn_radio_on; |
1839 | } | |
1840 | ||
1841 | ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type, | |
1842 | keymgmt); | |
1843 | if (ret < 0) { | |
60b86755 JP |
1844 | netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n", |
1845 | ret); | |
5c52323e JK |
1846 | goto err_turn_radio_on; |
1847 | } | |
1848 | ||
1849 | set_priv_filter(usbdev); | |
1850 | ||
1851 | ret = set_encr_mode(usbdev, pairwise, groupwise); | |
1852 | if (ret < 0) { | |
60b86755 JP |
1853 | netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n", |
1854 | ret); | |
5c52323e JK |
1855 | goto err_turn_radio_on; |
1856 | } | |
1857 | ||
1858 | if (channel) { | |
1859 | ret = set_channel(usbdev, chan); | |
1860 | if (ret < 0) { | |
60b86755 JP |
1861 | netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n", |
1862 | ret); | |
5c52323e JK |
1863 | goto err_turn_radio_on; |
1864 | } | |
1865 | } | |
1866 | ||
1867 | if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) { | |
1868 | priv->encr_tx_key_index = sme->key_idx; | |
1869 | ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx); | |
1870 | if (ret < 0) { | |
60b86755 JP |
1871 | netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n", |
1872 | ret, sme->key_len, sme->key_idx); | |
5c52323e JK |
1873 | goto err_turn_radio_on; |
1874 | } | |
1875 | } | |
1876 | ||
1877 | if (sme->bssid && !is_zero_ether_addr(sme->bssid) && | |
1878 | !is_broadcast_ether_addr(sme->bssid)) { | |
1879 | ret = set_bssid(usbdev, sme->bssid); | |
1880 | if (ret < 0) { | |
60b86755 JP |
1881 | netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n", |
1882 | ret); | |
5c52323e JK |
1883 | goto err_turn_radio_on; |
1884 | } | |
1885 | } else | |
1886 | clear_bssid(usbdev); | |
1887 | ||
1888 | length = sme->ssid_len; | |
1889 | if (length > NDIS_802_11_LENGTH_SSID) | |
1890 | length = NDIS_802_11_LENGTH_SSID; | |
1891 | ||
1892 | memset(&ssid, 0, sizeof(ssid)); | |
1893 | ssid.length = cpu_to_le32(length); | |
1894 | memcpy(ssid.essid, sme->ssid, length); | |
1895 | ||
1896 | /* Pause and purge rx queue, so we don't pass packets before | |
1897 | * 'media connect'-indication. | |
1898 | */ | |
1899 | usbnet_pause_rx(usbdev); | |
1900 | usbnet_purge_paused_rxq(usbdev); | |
1901 | ||
1902 | ret = set_essid(usbdev, &ssid); | |
1903 | if (ret < 0) | |
60b86755 | 1904 | netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret); |
5c52323e JK |
1905 | return ret; |
1906 | ||
1907 | err_turn_radio_on: | |
051ae0bf | 1908 | disassociate(usbdev, true); |
5c52323e JK |
1909 | |
1910 | return ret; | |
1911 | } | |
1912 | ||
1913 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
1914 | u16 reason_code) | |
1915 | { | |
1916 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1917 | struct usbnet *usbdev = priv->usbdev; | |
1918 | ||
60b86755 | 1919 | netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code); |
5c52323e JK |
1920 | |
1921 | priv->connected = false; | |
8b89a288 | 1922 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
1923 | |
1924 | return deauthenticate(usbdev); | |
1925 | } | |
1926 | ||
1927 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
1928 | struct cfg80211_ibss_params *params) | |
1929 | { | |
1930 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1931 | struct usbnet *usbdev = priv->usbdev; | |
1932 | struct ieee80211_channel *channel = params->channel; | |
1933 | struct ndis_80211_ssid ssid; | |
1934 | enum nl80211_auth_type auth_type; | |
1935 | int ret, alg, length, chan = -1; | |
1936 | ||
1937 | if (channel) | |
1938 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
1939 | ||
1940 | /* TODO: How to handle ad-hoc encryption? | |
1941 | * connect() has *key, join_ibss() doesn't. RNDIS requires key to be | |
1942 | * pre-shared for encryption (open/shared/wpa), is key set before | |
1943 | * join_ibss? Which auth_type to use (not in params)? What about WPA? | |
1944 | */ | |
1945 | if (params->privacy) { | |
1946 | auth_type = NL80211_AUTHTYPE_SHARED_KEY; | |
1947 | alg = RNDIS_WLAN_ALG_WEP; | |
1948 | } else { | |
1949 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
1950 | alg = RNDIS_WLAN_ALG_NONE; | |
1951 | } | |
1952 | ||
60b86755 JP |
1953 | netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n", |
1954 | params->ssid, params->bssid, chan, params->privacy); | |
5c52323e JK |
1955 | |
1956 | if (is_associated(usbdev)) | |
1957 | disassociate(usbdev, false); | |
1958 | ||
1959 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC); | |
1960 | if (ret < 0) { | |
60b86755 JP |
1961 | netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n", |
1962 | ret); | |
5c52323e JK |
1963 | goto err_turn_radio_on; |
1964 | } | |
1965 | ||
1966 | ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE); | |
1967 | if (ret < 0) { | |
60b86755 JP |
1968 | netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n", |
1969 | ret); | |
5c52323e JK |
1970 | goto err_turn_radio_on; |
1971 | } | |
1972 | ||
1973 | set_priv_filter(usbdev); | |
1974 | ||
1975 | ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE); | |
1976 | if (ret < 0) { | |
60b86755 JP |
1977 | netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n", |
1978 | ret); | |
5c52323e JK |
1979 | goto err_turn_radio_on; |
1980 | } | |
1981 | ||
1982 | if (channel) { | |
1983 | ret = set_channel(usbdev, chan); | |
1984 | if (ret < 0) { | |
60b86755 JP |
1985 | netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n", |
1986 | ret); | |
5c52323e JK |
1987 | goto err_turn_radio_on; |
1988 | } | |
1989 | } | |
1990 | ||
1991 | if (params->bssid && !is_zero_ether_addr(params->bssid) && | |
1992 | !is_broadcast_ether_addr(params->bssid)) { | |
1993 | ret = set_bssid(usbdev, params->bssid); | |
1994 | if (ret < 0) { | |
60b86755 JP |
1995 | netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n", |
1996 | ret); | |
5c52323e JK |
1997 | goto err_turn_radio_on; |
1998 | } | |
1999 | } else | |
2000 | clear_bssid(usbdev); | |
2001 | ||
2002 | length = params->ssid_len; | |
2003 | if (length > NDIS_802_11_LENGTH_SSID) | |
2004 | length = NDIS_802_11_LENGTH_SSID; | |
2005 | ||
2006 | memset(&ssid, 0, sizeof(ssid)); | |
2007 | ssid.length = cpu_to_le32(length); | |
2008 | memcpy(ssid.essid, params->ssid, length); | |
2009 | ||
2010 | /* Don't need to pause rx queue for ad-hoc. */ | |
2011 | usbnet_purge_paused_rxq(usbdev); | |
2012 | usbnet_resume_rx(usbdev); | |
2013 | ||
2014 | ret = set_essid(usbdev, &ssid); | |
2015 | if (ret < 0) | |
60b86755 JP |
2016 | netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n", |
2017 | ret); | |
5c52323e JK |
2018 | return ret; |
2019 | ||
2020 | err_turn_radio_on: | |
051ae0bf | 2021 | disassociate(usbdev, true); |
5c52323e JK |
2022 | |
2023 | return ret; | |
2024 | } | |
2025 | ||
2026 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2027 | { | |
2028 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2029 | struct usbnet *usbdev = priv->usbdev; | |
2030 | ||
60b86755 | 2031 | netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n"); |
5c52323e JK |
2032 | |
2033 | priv->connected = false; | |
8b89a288 | 2034 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
2035 | |
2036 | return deauthenticate(usbdev); | |
2037 | } | |
2038 | ||
5554adbe JK |
2039 | static int rndis_set_channel(struct wiphy *wiphy, |
2040 | struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) | |
2041 | { | |
2042 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2043 | struct usbnet *usbdev = priv->usbdev; | |
2044 | ||
2045 | return set_channel(usbdev, | |
2046 | ieee80211_frequency_to_channel(chan->center_freq)); | |
2047 | } | |
71a7b26d | 2048 | |
84bf8400 JK |
2049 | static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
2050 | u8 key_index, const u8 *mac_addr, | |
2051 | struct key_params *params) | |
2052 | { | |
2053 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2054 | struct usbnet *usbdev = priv->usbdev; | |
53d27eaf | 2055 | __le32 flags; |
84bf8400 | 2056 | |
60b86755 JP |
2057 | netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n", |
2058 | __func__, key_index, mac_addr, params->cipher); | |
84bf8400 JK |
2059 | |
2060 | switch (params->cipher) { | |
2061 | case WLAN_CIPHER_SUITE_WEP40: | |
2062 | case WLAN_CIPHER_SUITE_WEP104: | |
2063 | return add_wep_key(usbdev, params->key, params->key_len, | |
2064 | key_index); | |
2065 | case WLAN_CIPHER_SUITE_TKIP: | |
2066 | case WLAN_CIPHER_SUITE_CCMP: | |
2067 | flags = 0; | |
2068 | ||
2069 | if (params->seq && params->seq_len > 0) | |
2070 | flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ; | |
2071 | if (mac_addr) | |
2072 | flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY | | |
2073 | NDIS_80211_ADDKEY_TRANSMIT_KEY; | |
2074 | ||
2075 | return add_wpa_key(usbdev, params->key, params->key_len, | |
2076 | key_index, mac_addr, params->seq, | |
2077 | params->seq_len, params->cipher, flags); | |
2078 | default: | |
60b86755 JP |
2079 | netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n", |
2080 | __func__, params->cipher); | |
84bf8400 JK |
2081 | return -ENOTSUPP; |
2082 | } | |
2083 | } | |
2084 | ||
2085 | static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
2086 | u8 key_index, const u8 *mac_addr) | |
2087 | { | |
2088 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2089 | struct usbnet *usbdev = priv->usbdev; | |
2090 | ||
60b86755 | 2091 | netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr); |
84bf8400 JK |
2092 | |
2093 | return remove_key(usbdev, key_index, mac_addr); | |
2094 | } | |
2095 | ||
2096 | static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
2097 | u8 key_index) | |
2098 | { | |
2099 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2100 | struct usbnet *usbdev = priv->usbdev; | |
2101 | struct rndis_wlan_encr_key key; | |
2102 | ||
60b86755 | 2103 | netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index); |
84bf8400 JK |
2104 | |
2105 | priv->encr_tx_key_index = key_index; | |
2106 | ||
2107 | key = priv->encr_keys[key_index]; | |
2108 | ||
2109 | return add_wep_key(usbdev, key.material, key.len, key_index); | |
2110 | } | |
2111 | ||
8b89a288 JK |
2112 | static void rndis_fill_station_info(struct usbnet *usbdev, |
2113 | struct station_info *sinfo) | |
2114 | { | |
2115 | __le32 linkspeed, rssi; | |
2116 | int ret, len; | |
2117 | ||
2118 | memset(sinfo, 0, sizeof(*sinfo)); | |
2119 | ||
2120 | len = sizeof(linkspeed); | |
2121 | ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len); | |
2122 | if (ret == 0) { | |
2123 | sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000; | |
2124 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
2125 | } | |
2126 | ||
2127 | len = sizeof(rssi); | |
2128 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
2129 | if (ret == 0) { | |
2130 | sinfo->signal = level_to_qual(le32_to_cpu(rssi)); | |
2131 | sinfo->filled |= STATION_INFO_SIGNAL; | |
2132 | } | |
2133 | } | |
2134 | ||
2135 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, | |
2136 | u8 *mac, struct station_info *sinfo) | |
2137 | { | |
2138 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2139 | struct usbnet *usbdev = priv->usbdev; | |
2140 | ||
2141 | if (compare_ether_addr(priv->bssid, mac)) | |
2142 | return -ENOENT; | |
2143 | ||
2144 | rndis_fill_station_info(usbdev, sinfo); | |
2145 | ||
2146 | return 0; | |
2147 | } | |
2148 | ||
d695df90 JK |
2149 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
2150 | int idx, u8 *mac, struct station_info *sinfo) | |
2151 | { | |
2152 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2153 | struct usbnet *usbdev = priv->usbdev; | |
2154 | ||
2155 | if (idx != 0) | |
2156 | return -ENOENT; | |
2157 | ||
2158 | memcpy(mac, priv->bssid, ETH_ALEN); | |
2159 | ||
2160 | rndis_fill_station_info(usbdev, sinfo); | |
2161 | ||
2162 | return 0; | |
2163 | } | |
2164 | ||
c5c4fe90 JK |
2165 | /* |
2166 | * workers, indication handlers, device poller | |
2167 | */ | |
0848e6c6 | 2168 | static void rndis_wlan_do_link_up_work(struct usbnet *usbdev) |
bf164cc0 | 2169 | { |
5c52323e | 2170 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
4364623c | 2171 | struct ndis_80211_assoc_info *info; |
0848e6c6 JK |
2172 | u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32]; |
2173 | u8 bssid[ETH_ALEN]; | |
5c52323e JK |
2174 | int resp_ie_len, req_ie_len; |
2175 | u8 *req_ie, *resp_ie; | |
4364623c | 2176 | int ret, offset; |
5c52323e | 2177 | bool roamed = false; |
bf164cc0 | 2178 | |
5c52323e JK |
2179 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) { |
2180 | /* received media connect indication while connected, either | |
2181 | * device reassociated with same AP or roamed to new. */ | |
2182 | roamed = true; | |
2183 | } | |
0848e6c6 | 2184 | |
5c52323e JK |
2185 | req_ie_len = 0; |
2186 | resp_ie_len = 0; | |
2187 | req_ie = NULL; | |
2188 | resp_ie = NULL; | |
2189 | ||
2190 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
2191 | memset(assoc_buf, 0, sizeof(assoc_buf)); | |
2192 | info = (void *)assoc_buf; | |
2193 | ||
2194 | /* Get association info IEs from device and send them back to | |
2195 | * userspace. */ | |
2196 | ret = get_association_info(usbdev, info, sizeof(assoc_buf)); | |
2197 | if (!ret) { | |
2198 | req_ie_len = le32_to_cpu(info->req_ie_length); | |
2199 | if (req_ie_len > 0) { | |
2200 | offset = le32_to_cpu(info->offset_req_ies); | |
2201 | req_ie = (u8 *)info + offset; | |
2202 | } | |
2203 | ||
2204 | resp_ie_len = le32_to_cpu(info->resp_ie_length); | |
2205 | if (resp_ie_len > 0) { | |
2206 | offset = le32_to_cpu(info->offset_resp_ies); | |
2207 | resp_ie = (u8 *)info + offset; | |
2208 | } | |
4364623c | 2209 | } |
5c52323e JK |
2210 | } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC)) |
2211 | return; | |
4364623c | 2212 | |
5c52323e JK |
2213 | ret = get_bssid(usbdev, bssid); |
2214 | if (ret < 0) | |
2215 | memset(bssid, 0, sizeof(bssid)); | |
7834ddbc | 2216 | |
60b86755 JP |
2217 | netdev_dbg(usbdev->net, "link up work: [%pM]%s\n", |
2218 | bssid, roamed ? " roamed" : ""); | |
bf164cc0 | 2219 | |
5c52323e JK |
2220 | /* Internal bss list in device always contains at least the currently |
2221 | * connected bss and we can get it to cfg80211 with | |
2222 | * rndis_check_bssid_list(). | |
2223 | * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS | |
2224 | * spec. | |
2225 | */ | |
2226 | rndis_check_bssid_list(usbdev); | |
2227 | ||
2228 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
2229 | if (!roamed) | |
2230 | cfg80211_connect_result(usbdev->net, bssid, req_ie, | |
2231 | req_ie_len, resp_ie, | |
2232 | resp_ie_len, 0, GFP_KERNEL); | |
2233 | else | |
2234 | cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len, | |
2235 | resp_ie, resp_ie_len, GFP_KERNEL); | |
2236 | } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) | |
2237 | cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL); | |
2238 | ||
2239 | priv->connected = true; | |
8b89a288 | 2240 | memcpy(priv->bssid, bssid, ETH_ALEN); |
6010ce07 | 2241 | |
0848e6c6 | 2242 | usbnet_resume_rx(usbdev); |
5c52323e | 2243 | netif_carrier_on(usbdev->net); |
0848e6c6 JK |
2244 | } |
2245 | ||
2246 | static void rndis_wlan_do_link_down_work(struct usbnet *usbdev) | |
2247 | { | |
2248 | union iwreq_data evt; | |
2249 | ||
2250 | netif_carrier_off(usbdev->net); | |
2251 | ||
2252 | evt.data.flags = 0; | |
2253 | evt.data.length = 0; | |
2254 | memset(evt.ap_addr.sa_data, 0, ETH_ALEN); | |
2255 | wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); | |
2256 | } | |
2257 | ||
2258 | static void rndis_wlan_worker(struct work_struct *work) | |
2259 | { | |
2260 | struct rndis_wlan_private *priv = | |
2261 | container_of(work, struct rndis_wlan_private, work); | |
2262 | struct usbnet *usbdev = priv->usbdev; | |
2263 | ||
2264 | if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) | |
2265 | rndis_wlan_do_link_up_work(usbdev); | |
2266 | ||
2267 | if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) | |
2268 | rndis_wlan_do_link_down_work(usbdev); | |
2269 | ||
bf164cc0 JK |
2270 | if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2271 | set_multicast_list(usbdev); | |
2272 | } | |
2273 | ||
582241a0 | 2274 | static void rndis_wlan_set_multicast_list(struct net_device *dev) |
bf164cc0 | 2275 | { |
524ad0a7 | 2276 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2277 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2278 | |
a67edb9e JK |
2279 | if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2280 | return; | |
2281 | ||
bf164cc0 JK |
2282 | set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
2283 | queue_work(priv->workqueue, &priv->work); | |
2284 | } | |
2285 | ||
030645ac JK |
2286 | static void rndis_wlan_auth_indication(struct usbnet *usbdev, |
2287 | struct ndis_80211_status_indication *indication, | |
2288 | int len) | |
2289 | { | |
2290 | u8 *buf; | |
2291 | const char *type; | |
a0f9ce2a | 2292 | int flags, buflen, key_id; |
030645ac JK |
2293 | bool pairwise_error, group_error; |
2294 | struct ndis_80211_auth_request *auth_req; | |
a0f9ce2a | 2295 | enum nl80211_key_type key_type; |
030645ac JK |
2296 | |
2297 | /* must have at least one array entry */ | |
2298 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2299 | sizeof(struct ndis_80211_auth_request)) { | |
60b86755 JP |
2300 | netdev_info(usbdev->net, "authentication indication: too short message (%i)\n", |
2301 | len); | |
030645ac JK |
2302 | return; |
2303 | } | |
2304 | ||
2305 | buf = (void *)&indication->u.auth_request[0]; | |
2306 | buflen = len - offsetof(struct ndis_80211_status_indication, u); | |
2307 | ||
2308 | while (buflen >= sizeof(*auth_req)) { | |
2309 | auth_req = (void *)buf; | |
2310 | type = "unknown"; | |
2311 | flags = le32_to_cpu(auth_req->flags); | |
2312 | pairwise_error = false; | |
2313 | group_error = false; | |
2314 | ||
2315 | if (flags & 0x1) | |
2316 | type = "reauth request"; | |
2317 | if (flags & 0x2) | |
2318 | type = "key update request"; | |
2319 | if (flags & 0x6) { | |
2320 | pairwise_error = true; | |
2321 | type = "pairwise_error"; | |
2322 | } | |
2323 | if (flags & 0xe) { | |
2324 | group_error = true; | |
2325 | type = "group_error"; | |
2326 | } | |
2327 | ||
60b86755 JP |
2328 | netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n", |
2329 | type, le32_to_cpu(auth_req->flags)); | |
030645ac | 2330 | |
a0f9ce2a JK |
2331 | if (pairwise_error) { |
2332 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
2333 | key_id = -1; | |
030645ac | 2334 | |
a0f9ce2a JK |
2335 | cfg80211_michael_mic_failure(usbdev->net, |
2336 | auth_req->bssid, | |
2337 | key_type, key_id, NULL, | |
2338 | GFP_KERNEL); | |
2339 | } | |
030645ac | 2340 | |
a0f9ce2a JK |
2341 | if (group_error) { |
2342 | key_type = NL80211_KEYTYPE_GROUP; | |
2343 | key_id = -1; | |
030645ac | 2344 | |
a0f9ce2a JK |
2345 | cfg80211_michael_mic_failure(usbdev->net, |
2346 | auth_req->bssid, | |
2347 | key_type, key_id, NULL, | |
2348 | GFP_KERNEL); | |
030645ac JK |
2349 | } |
2350 | ||
2351 | buflen -= le32_to_cpu(auth_req->length); | |
2352 | buf += le32_to_cpu(auth_req->length); | |
2353 | } | |
2354 | } | |
2355 | ||
2356 | static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev, | |
2357 | struct ndis_80211_status_indication *indication, | |
2358 | int len) | |
2359 | { | |
2360 | struct ndis_80211_pmkid_cand_list *cand_list; | |
2361 | int list_len, expected_len, i; | |
2362 | ||
2363 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2364 | sizeof(struct ndis_80211_pmkid_cand_list)) { | |
60b86755 JP |
2365 | netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n", |
2366 | len); | |
030645ac JK |
2367 | return; |
2368 | } | |
2369 | ||
2370 | list_len = le32_to_cpu(indication->u.cand_list.num_candidates) * | |
2371 | sizeof(struct ndis_80211_pmkid_candidate); | |
2372 | expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len + | |
2373 | offsetof(struct ndis_80211_status_indication, u); | |
2374 | ||
2375 | if (len < expected_len) { | |
60b86755 JP |
2376 | netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n", |
2377 | len, expected_len); | |
030645ac JK |
2378 | return; |
2379 | } | |
2380 | ||
2381 | cand_list = &indication->u.cand_list; | |
2382 | ||
60b86755 JP |
2383 | netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n", |
2384 | le32_to_cpu(cand_list->version), | |
2385 | le32_to_cpu(cand_list->num_candidates)); | |
030645ac JK |
2386 | |
2387 | if (le32_to_cpu(cand_list->version) != 1) | |
2388 | return; | |
2389 | ||
2390 | for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) { | |
030645ac JK |
2391 | struct ndis_80211_pmkid_candidate *cand = |
2392 | &cand_list->candidate_list[i]; | |
2393 | ||
60b86755 JP |
2394 | netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, bssid: %pM\n", |
2395 | i, le32_to_cpu(cand->flags), cand->bssid); | |
030645ac | 2396 | |
21ec2d8d JK |
2397 | #if 0 |
2398 | struct iw_pmkid_cand pcand; | |
2399 | union iwreq_data wrqu; | |
2400 | ||
030645ac JK |
2401 | memset(&pcand, 0, sizeof(pcand)); |
2402 | if (le32_to_cpu(cand->flags) & 0x01) | |
2403 | pcand.flags |= IW_PMKID_CAND_PREAUTH; | |
2404 | pcand.index = i; | |
2405 | memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN); | |
2406 | ||
2407 | memset(&wrqu, 0, sizeof(wrqu)); | |
2408 | wrqu.data.length = sizeof(pcand); | |
2409 | wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu, | |
2410 | (u8 *)&pcand); | |
21ec2d8d | 2411 | #endif |
030645ac JK |
2412 | } |
2413 | } | |
2414 | ||
2415 | static void rndis_wlan_media_specific_indication(struct usbnet *usbdev, | |
2416 | struct rndis_indicate *msg, int buflen) | |
2417 | { | |
2418 | struct ndis_80211_status_indication *indication; | |
2419 | int len, offset; | |
2420 | ||
2421 | offset = offsetof(struct rndis_indicate, status) + | |
2422 | le32_to_cpu(msg->offset); | |
2423 | len = le32_to_cpu(msg->length); | |
2424 | ||
2425 | if (len < 8) { | |
60b86755 JP |
2426 | netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n", |
2427 | len); | |
030645ac JK |
2428 | return; |
2429 | } | |
2430 | ||
2431 | if (offset + len > buflen) { | |
60b86755 JP |
2432 | netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n", |
2433 | offset + len, buflen); | |
030645ac JK |
2434 | return; |
2435 | } | |
2436 | ||
2437 | indication = (void *)((u8 *)msg + offset); | |
2438 | ||
2439 | switch (le32_to_cpu(indication->status_type)) { | |
2440 | case NDIS_80211_STATUSTYPE_RADIOSTATE: | |
60b86755 JP |
2441 | netdev_info(usbdev->net, "radio state indication: %i\n", |
2442 | le32_to_cpu(indication->u.radio_status)); | |
030645ac JK |
2443 | return; |
2444 | ||
2445 | case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE: | |
60b86755 JP |
2446 | netdev_info(usbdev->net, "media stream mode indication: %i\n", |
2447 | le32_to_cpu(indication->u.media_stream_mode)); | |
030645ac JK |
2448 | return; |
2449 | ||
2450 | case NDIS_80211_STATUSTYPE_AUTHENTICATION: | |
2451 | rndis_wlan_auth_indication(usbdev, indication, len); | |
2452 | return; | |
2453 | ||
2454 | case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST: | |
2455 | rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len); | |
2456 | return; | |
2457 | ||
2458 | default: | |
60b86755 JP |
2459 | netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n", |
2460 | le32_to_cpu(indication->status_type)); | |
030645ac JK |
2461 | } |
2462 | } | |
2463 | ||
2a4901bc | 2464 | static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) |
bf164cc0 | 2465 | { |
582241a0 | 2466 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2a4901bc | 2467 | struct rndis_indicate *msg = ind; |
bf164cc0 | 2468 | |
2a4901bc JK |
2469 | switch (msg->status) { |
2470 | case RNDIS_STATUS_MEDIA_CONNECT: | |
5f81ff5a JK |
2471 | if (priv->current_command_oid == OID_802_11_ADD_KEY) { |
2472 | /* OID_802_11_ADD_KEY causes sometimes extra | |
2473 | * "media connect" indications which confuses driver | |
2474 | * and userspace to think that device is | |
2475 | * roaming/reassociating when it isn't. | |
2476 | */ | |
60b86755 | 2477 | netdev_dbg(usbdev->net, "ignored OID_802_11_ADD_KEY triggered 'media connect'\n"); |
5f81ff5a JK |
2478 | return; |
2479 | } | |
2480 | ||
7834ddbc JK |
2481 | usbnet_pause_rx(usbdev); |
2482 | ||
60b86755 | 2483 | netdev_info(usbdev->net, "media connect\n"); |
2a4901bc | 2484 | |
030645ac | 2485 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
2486 | set_bit(WORK_LINK_UP, &priv->work_pending); |
2487 | queue_work(priv->workqueue, &priv->work); | |
2488 | break; | |
2489 | ||
2490 | case RNDIS_STATUS_MEDIA_DISCONNECT: | |
60b86755 | 2491 | netdev_info(usbdev->net, "media disconnect\n"); |
2a4901bc | 2492 | |
030645ac | 2493 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
2494 | set_bit(WORK_LINK_DOWN, &priv->work_pending); |
2495 | queue_work(priv->workqueue, &priv->work); | |
2496 | break; | |
2497 | ||
030645ac JK |
2498 | case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION: |
2499 | rndis_wlan_media_specific_indication(usbdev, msg, buflen); | |
2500 | break; | |
2501 | ||
2a4901bc | 2502 | default: |
60b86755 JP |
2503 | netdev_info(usbdev->net, "indication: 0x%08x\n", |
2504 | le32_to_cpu(msg->status)); | |
2a4901bc JK |
2505 | break; |
2506 | } | |
bf164cc0 JK |
2507 | } |
2508 | ||
582241a0 | 2509 | static int rndis_wlan_get_caps(struct usbnet *usbdev) |
bf164cc0 JK |
2510 | { |
2511 | struct { | |
2512 | __le32 num_items; | |
2513 | __le32 items[8]; | |
2514 | } networks_supported; | |
2515 | int len, retval, i, n; | |
582241a0 | 2516 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2517 | |
bf164cc0 JK |
2518 | /* determine supported modes */ |
2519 | len = sizeof(networks_supported); | |
a19d7292 | 2520 | retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED, |
bf164cc0 JK |
2521 | &networks_supported, &len); |
2522 | if (retval >= 0) { | |
2523 | n = le32_to_cpu(networks_supported.num_items); | |
2524 | if (n > 8) | |
2525 | n = 8; | |
2526 | for (i = 0; i < n; i++) { | |
2527 | switch (le32_to_cpu(networks_supported.items[i])) { | |
aa18294a JK |
2528 | case NDIS_80211_TYPE_FREQ_HOP: |
2529 | case NDIS_80211_TYPE_DIRECT_SEQ: | |
bf164cc0 JK |
2530 | priv->caps |= CAP_MODE_80211B; |
2531 | break; | |
aa18294a | 2532 | case NDIS_80211_TYPE_OFDM_A: |
bf164cc0 JK |
2533 | priv->caps |= CAP_MODE_80211A; |
2534 | break; | |
aa18294a | 2535 | case NDIS_80211_TYPE_OFDM_G: |
bf164cc0 JK |
2536 | priv->caps |= CAP_MODE_80211G; |
2537 | break; | |
2538 | } | |
2539 | } | |
bf164cc0 JK |
2540 | } |
2541 | ||
2542 | return retval; | |
2543 | } | |
2544 | ||
305e243e JK |
2545 | #define DEVICE_POLLER_JIFFIES (HZ) |
2546 | static void rndis_device_poller(struct work_struct *work) | |
bf164cc0 | 2547 | { |
582241a0 | 2548 | struct rndis_wlan_private *priv = |
305e243e JK |
2549 | container_of(work, struct rndis_wlan_private, |
2550 | dev_poller_work.work); | |
bf164cc0 | 2551 | struct usbnet *usbdev = priv->usbdev; |
bf164cc0 | 2552 | __le32 rssi, tmp; |
a97b1f3d | 2553 | int len, ret, j; |
305e243e | 2554 | int update_jiffies = DEVICE_POLLER_JIFFIES; |
bf164cc0 JK |
2555 | void *buf; |
2556 | ||
8b89a288 JK |
2557 | /* Only check/do workaround when connected. Calling is_associated() |
2558 | * also polls device with rndis_command() and catches for media link | |
2559 | * indications. | |
2560 | */ | |
2561 | if (!is_associated(usbdev)) | |
bf164cc0 | 2562 | goto end; |
bf164cc0 JK |
2563 | |
2564 | len = sizeof(rssi); | |
2565 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
8b89a288 JK |
2566 | if (ret == 0) |
2567 | priv->last_qual = level_to_qual(le32_to_cpu(rssi)); | |
bf164cc0 | 2568 | |
60b86755 JP |
2569 | netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n", |
2570 | ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi))); | |
bf164cc0 | 2571 | |
a97b1f3d JK |
2572 | /* Workaround transfer stalls on poor quality links. |
2573 | * TODO: find right way to fix these stalls (as stalls do not happen | |
2574 | * with ndiswrapper/windows driver). */ | |
77593ae2 | 2575 | if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) { |
bf164cc0 JK |
2576 | /* Decrease stats worker interval to catch stalls. |
2577 | * faster. Faster than 400-500ms causes packet loss, | |
2578 | * Slower doesn't catch stalls fast enough. | |
2579 | */ | |
2580 | j = msecs_to_jiffies(priv->param_workaround_interval); | |
305e243e JK |
2581 | if (j > DEVICE_POLLER_JIFFIES) |
2582 | j = DEVICE_POLLER_JIFFIES; | |
bf164cc0 JK |
2583 | else if (j <= 0) |
2584 | j = 1; | |
2585 | update_jiffies = j; | |
2586 | ||
2587 | /* Send scan OID. Use of both OIDs is required to get device | |
2588 | * working. | |
2589 | */ | |
35c26c2c | 2590 | tmp = cpu_to_le32(1); |
bf164cc0 JK |
2591 | rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, |
2592 | sizeof(tmp)); | |
2593 | ||
2594 | len = CONTROL_BUFFER_SIZE; | |
2595 | buf = kmalloc(len, GFP_KERNEL); | |
2596 | if (!buf) | |
2597 | goto end; | |
2598 | ||
2599 | rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
2600 | kfree(buf); | |
2601 | } | |
bf164cc0 | 2602 | |
305e243e | 2603 | end: |
bf164cc0 JK |
2604 | if (update_jiffies >= HZ) |
2605 | update_jiffies = round_jiffies_relative(update_jiffies); | |
2606 | else { | |
2607 | j = round_jiffies_relative(update_jiffies); | |
2608 | if (abs(j - update_jiffies) <= 10) | |
2609 | update_jiffies = j; | |
2610 | } | |
2611 | ||
305e243e JK |
2612 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
2613 | update_jiffies); | |
bf164cc0 JK |
2614 | } |
2615 | ||
c5c4fe90 JK |
2616 | /* |
2617 | * driver/device initialization | |
2618 | */ | |
cef6e912 | 2619 | static void rndis_copy_module_params(struct usbnet *usbdev) |
bf164cc0 | 2620 | { |
582241a0 | 2621 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2622 | |
2623 | priv->param_country[0] = modparam_country[0]; | |
2624 | priv->param_country[1] = modparam_country[1]; | |
2625 | priv->param_country[2] = 0; | |
2626 | priv->param_frameburst = modparam_frameburst; | |
2627 | priv->param_afterburner = modparam_afterburner; | |
2628 | priv->param_power_save = modparam_power_save; | |
2629 | priv->param_power_output = modparam_power_output; | |
2630 | priv->param_roamtrigger = modparam_roamtrigger; | |
2631 | priv->param_roamdelta = modparam_roamdelta; | |
bf164cc0 JK |
2632 | |
2633 | priv->param_country[0] = toupper(priv->param_country[0]); | |
2634 | priv->param_country[1] = toupper(priv->param_country[1]); | |
2635 | /* doesn't support EU as country code, use FI instead */ | |
2636 | if (!strcmp(priv->param_country, "EU")) | |
2637 | strcpy(priv->param_country, "FI"); | |
2638 | ||
2639 | if (priv->param_power_save < 0) | |
2640 | priv->param_power_save = 0; | |
2641 | else if (priv->param_power_save > 2) | |
2642 | priv->param_power_save = 2; | |
2643 | ||
a7624837 JK |
2644 | if (priv->param_power_output < 0) |
2645 | priv->param_power_output = 0; | |
2646 | else if (priv->param_power_output > 3) | |
2647 | priv->param_power_output = 3; | |
2648 | ||
bf164cc0 JK |
2649 | if (priv->param_roamtrigger < -80) |
2650 | priv->param_roamtrigger = -80; | |
2651 | else if (priv->param_roamtrigger > -60) | |
2652 | priv->param_roamtrigger = -60; | |
2653 | ||
2654 | if (priv->param_roamdelta < 0) | |
2655 | priv->param_roamdelta = 0; | |
2656 | else if (priv->param_roamdelta > 2) | |
2657 | priv->param_roamdelta = 2; | |
2658 | ||
4d381ffb | 2659 | if (modparam_workaround_interval < 0) |
bf164cc0 | 2660 | priv->param_workaround_interval = 500; |
4d381ffb RK |
2661 | else |
2662 | priv->param_workaround_interval = modparam_workaround_interval; | |
cef6e912 JK |
2663 | } |
2664 | ||
2665 | static int bcm4320a_early_init(struct usbnet *usbdev) | |
2666 | { | |
6e850af5 JK |
2667 | /* copy module parameters for bcm4320a so that iwconfig reports txpower |
2668 | * and workaround parameter is copied to private structure correctly. | |
2669 | */ | |
2670 | rndis_copy_module_params(usbdev); | |
2671 | ||
cef6e912 JK |
2672 | /* bcm4320a doesn't handle configuration parameters well. Try |
2673 | * set any and you get partially zeroed mac and broken device. | |
2674 | */ | |
2675 | ||
2676 | return 0; | |
2677 | } | |
2678 | ||
2679 | static int bcm4320b_early_init(struct usbnet *usbdev) | |
2680 | { | |
2681 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
2682 | char buf[8]; | |
2683 | ||
2684 | rndis_copy_module_params(usbdev); | |
2685 | ||
2686 | /* Early initialization settings, setting these won't have effect | |
2687 | * if called after generic_rndis_bind(). | |
2688 | */ | |
bf164cc0 | 2689 | |
a19d7292 JK |
2690 | rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
2691 | rndis_set_config_parameter_str(usbdev, "FrameBursting", | |
bf164cc0 | 2692 | priv->param_frameburst ? "1" : "0"); |
a19d7292 | 2693 | rndis_set_config_parameter_str(usbdev, "Afterburner", |
bf164cc0 JK |
2694 | priv->param_afterburner ? "1" : "0"); |
2695 | sprintf(buf, "%d", priv->param_power_save); | |
a19d7292 | 2696 | rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
bf164cc0 | 2697 | sprintf(buf, "%d", priv->param_power_output); |
a19d7292 | 2698 | rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
bf164cc0 | 2699 | sprintf(buf, "%d", priv->param_roamtrigger); |
a19d7292 | 2700 | rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
bf164cc0 | 2701 | sprintf(buf, "%d", priv->param_roamdelta); |
a19d7292 | 2702 | rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
bf164cc0 JK |
2703 | |
2704 | return 0; | |
2705 | } | |
2706 | ||
23d12e2b | 2707 | /* same as rndis_netdev_ops but with local multicast handler */ |
582241a0 | 2708 | static const struct net_device_ops rndis_wlan_netdev_ops = { |
23d12e2b DM |
2709 | .ndo_open = usbnet_open, |
2710 | .ndo_stop = usbnet_stop, | |
2711 | .ndo_start_xmit = usbnet_start_xmit, | |
2712 | .ndo_tx_timeout = usbnet_tx_timeout, | |
2713 | .ndo_set_mac_address = eth_mac_addr, | |
2714 | .ndo_validate_addr = eth_validate_addr, | |
582241a0 | 2715 | .ndo_set_multicast_list = rndis_wlan_set_multicast_list, |
23d12e2b DM |
2716 | }; |
2717 | ||
582241a0 | 2718 | static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2719 | { |
5c8fa4f7 | 2720 | struct wiphy *wiphy; |
582241a0 | 2721 | struct rndis_wlan_private *priv; |
bf164cc0 JK |
2722 | int retval, len; |
2723 | __le32 tmp; | |
2724 | ||
5c8fa4f7 JL |
2725 | /* allocate wiphy and rndis private data |
2726 | * NOTE: We only support a single virtual interface, so wiphy | |
2727 | * and wireless_dev are somewhat synonymous for this device. | |
2728 | */ | |
582241a0 | 2729 | wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private)); |
5c8fa4f7 | 2730 | if (!wiphy) |
bf164cc0 JK |
2731 | return -ENOMEM; |
2732 | ||
5c8fa4f7 JL |
2733 | priv = wiphy_priv(wiphy); |
2734 | usbdev->net->ieee80211_ptr = &priv->wdev; | |
2735 | priv->wdev.wiphy = wiphy; | |
2736 | priv->wdev.iftype = NL80211_IFTYPE_STATION; | |
2737 | ||
bf164cc0 | 2738 | /* These have to be initialized before calling generic_rndis_bind(). |
582241a0 | 2739 | * Otherwise we'll be in big trouble in rndis_wlan_early_init(). |
bf164cc0 | 2740 | */ |
a19d7292 | 2741 | usbdev->driver_priv = priv; |
a19d7292 | 2742 | priv->usbdev = usbdev; |
bf164cc0 JK |
2743 | |
2744 | mutex_init(&priv->command_lock); | |
bf164cc0 | 2745 | |
8d4d99ae JK |
2746 | /* because rndis_command() sleeps we need to use workqueue */ |
2747 | priv->workqueue = create_singlethread_workqueue("rndis_wlan"); | |
582241a0 | 2748 | INIT_WORK(&priv->work, rndis_wlan_worker); |
305e243e | 2749 | INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller); |
8d4d99ae JK |
2750 | INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results); |
2751 | ||
bf164cc0 | 2752 | /* try bind rndis_host */ |
a19d7292 | 2753 | retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
bf164cc0 JK |
2754 | if (retval < 0) |
2755 | goto fail; | |
2756 | ||
2757 | /* generic_rndis_bind set packet filter to multicast_all+ | |
2758 | * promisc mode which doesn't work well for our devices (device | |
2759 | * picks up rssi to closest station instead of to access point). | |
2760 | * | |
2761 | * rndis_host wants to avoid all OID as much as possible | |
582241a0 | 2762 | * so do promisc/multicast handling in rndis_wlan. |
bf164cc0 | 2763 | */ |
582241a0 | 2764 | usbdev->net->netdev_ops = &rndis_wlan_netdev_ops; |
23d12e2b | 2765 | |
bf164cc0 | 2766 | tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; |
a19d7292 | 2767 | retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp, |
bf164cc0 JK |
2768 | sizeof(tmp)); |
2769 | ||
2770 | len = sizeof(tmp); | |
a19d7292 JK |
2771 | retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, |
2772 | &len); | |
bf164cc0 JK |
2773 | priv->multicast_size = le32_to_cpu(tmp); |
2774 | if (retval < 0 || priv->multicast_size < 0) | |
2775 | priv->multicast_size = 0; | |
2776 | if (priv->multicast_size > 0) | |
a19d7292 | 2777 | usbdev->net->flags |= IFF_MULTICAST; |
bf164cc0 | 2778 | else |
a19d7292 | 2779 | usbdev->net->flags &= ~IFF_MULTICAST; |
bf164cc0 | 2780 | |
5c8fa4f7 JL |
2781 | /* fill-out wiphy structure and register w/ cfg80211 */ |
2782 | memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN); | |
2783 | wiphy->privid = rndis_wiphy_privid; | |
2784 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2785 | | BIT(NL80211_IFTYPE_ADHOC); | |
2786 | wiphy->max_scan_ssids = 1; | |
2787 | ||
4a7f13ee | 2788 | /* TODO: fill-out band/encr information based on priv->caps */ |
582241a0 | 2789 | rndis_wlan_get_caps(usbdev); |
5c8fa4f7 JL |
2790 | |
2791 | memcpy(priv->channels, rndis_channels, sizeof(rndis_channels)); | |
2792 | memcpy(priv->rates, rndis_rates, sizeof(rndis_rates)); | |
2793 | priv->band.channels = priv->channels; | |
2794 | priv->band.n_channels = ARRAY_SIZE(rndis_channels); | |
2795 | priv->band.bitrates = priv->rates; | |
2796 | priv->band.n_bitrates = ARRAY_SIZE(rndis_rates); | |
2797 | wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; | |
4d2a369e | 2798 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; |
5c8fa4f7 | 2799 | |
4a7f13ee JK |
2800 | memcpy(priv->cipher_suites, rndis_cipher_suites, |
2801 | sizeof(rndis_cipher_suites)); | |
2802 | wiphy->cipher_suites = priv->cipher_suites; | |
2803 | wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites); | |
2804 | ||
5c8fa4f7 JL |
2805 | set_wiphy_dev(wiphy, &usbdev->udev->dev); |
2806 | ||
2807 | if (wiphy_register(wiphy)) { | |
eb1a685e JK |
2808 | retval = -ENODEV; |
2809 | goto fail; | |
5c8fa4f7 JL |
2810 | } |
2811 | ||
a19d7292 | 2812 | set_default_iw_params(usbdev); |
bf164cc0 | 2813 | |
d75ec2b7 JK |
2814 | /* set default rts/frag */ |
2815 | rndis_set_wiphy_params(wiphy, | |
2816 | WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD); | |
2817 | ||
bf164cc0 | 2818 | /* turn radio on */ |
051ae0bf JK |
2819 | priv->radio_on = true; |
2820 | disassociate(usbdev, true); | |
a19d7292 | 2821 | netif_carrier_off(usbdev->net); |
bf164cc0 | 2822 | |
bf164cc0 JK |
2823 | return 0; |
2824 | ||
2825 | fail: | |
305e243e | 2826 | cancel_delayed_work_sync(&priv->dev_poller_work); |
8d4d99ae JK |
2827 | cancel_delayed_work_sync(&priv->scan_work); |
2828 | cancel_work_sync(&priv->work); | |
2829 | flush_workqueue(priv->workqueue); | |
2830 | destroy_workqueue(priv->workqueue); | |
2831 | ||
eb1a685e | 2832 | wiphy_free(wiphy); |
bf164cc0 JK |
2833 | return retval; |
2834 | } | |
2835 | ||
582241a0 | 2836 | static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2837 | { |
582241a0 | 2838 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
2839 | |
2840 | /* turn radio off */ | |
051ae0bf | 2841 | disassociate(usbdev, false); |
bf164cc0 | 2842 | |
305e243e | 2843 | cancel_delayed_work_sync(&priv->dev_poller_work); |
71a7b26d | 2844 | cancel_delayed_work_sync(&priv->scan_work); |
bf164cc0 JK |
2845 | cancel_work_sync(&priv->work); |
2846 | flush_workqueue(priv->workqueue); | |
2847 | destroy_workqueue(priv->workqueue); | |
2848 | ||
2849 | if (priv && priv->wpa_ie_len) | |
2850 | kfree(priv->wpa_ie); | |
bf164cc0 | 2851 | |
a19d7292 | 2852 | rndis_unbind(usbdev, intf); |
5c8fa4f7 JL |
2853 | |
2854 | wiphy_unregister(priv->wdev.wiphy); | |
2855 | wiphy_free(priv->wdev.wiphy); | |
bf164cc0 JK |
2856 | } |
2857 | ||
582241a0 | 2858 | static int rndis_wlan_reset(struct usbnet *usbdev) |
bf164cc0 | 2859 | { |
110736de | 2860 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
7eaab708 | 2861 | int retval; |
110736de | 2862 | |
60b86755 | 2863 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
110736de | 2864 | |
7eaab708 JK |
2865 | retval = rndis_reset(usbdev); |
2866 | if (retval) | |
60b86755 | 2867 | netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval); |
7eaab708 | 2868 | |
e5a11a82 JK |
2869 | /* rndis_reset cleared multicast list, so restore here. |
2870 | (set_multicast_list() also turns on current packet filter) */ | |
7eaab708 JK |
2871 | set_multicast_list(usbdev); |
2872 | ||
305e243e JK |
2873 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
2874 | round_jiffies_relative(DEVICE_POLLER_JIFFIES)); | |
110736de | 2875 | |
a19d7292 | 2876 | return deauthenticate(usbdev); |
bf164cc0 JK |
2877 | } |
2878 | ||
222ec50a JK |
2879 | static int rndis_wlan_stop(struct usbnet *usbdev) |
2880 | { | |
110736de JK |
2881 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2882 | int retval; | |
e5a11a82 | 2883 | __le32 filter; |
110736de | 2884 | |
60b86755 | 2885 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
110736de | 2886 | |
051ae0bf | 2887 | retval = disassociate(usbdev, false); |
110736de JK |
2888 | |
2889 | priv->work_pending = 0; | |
305e243e | 2890 | cancel_delayed_work_sync(&priv->dev_poller_work); |
110736de JK |
2891 | cancel_delayed_work_sync(&priv->scan_work); |
2892 | cancel_work_sync(&priv->work); | |
2893 | flush_workqueue(priv->workqueue); | |
2894 | ||
005ba2f1 JK |
2895 | if (priv->scan_request) { |
2896 | cfg80211_scan_done(priv->scan_request, true); | |
2897 | priv->scan_request = NULL; | |
2898 | } | |
2899 | ||
e5a11a82 JK |
2900 | /* Set current packet filter zero to block receiving data packets from |
2901 | device. */ | |
2902 | filter = 0; | |
2903 | rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
2904 | sizeof(filter)); | |
2905 | ||
110736de | 2906 | return retval; |
222ec50a JK |
2907 | } |
2908 | ||
bf164cc0 JK |
2909 | static const struct driver_info bcm4320b_info = { |
2910 | .description = "Wireless RNDIS device, BCM4320b based", | |
1487cd5e JK |
2911 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
2912 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
2913 | .bind = rndis_wlan_bind, |
2914 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
2915 | .status = rndis_status, |
2916 | .rx_fixup = rndis_rx_fixup, | |
2917 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 2918 | .reset = rndis_wlan_reset, |
222ec50a | 2919 | .stop = rndis_wlan_stop, |
59620e9f | 2920 | .early_init = bcm4320b_early_init, |
2a4901bc | 2921 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
2922 | }; |
2923 | ||
2924 | static const struct driver_info bcm4320a_info = { | |
2925 | .description = "Wireless RNDIS device, BCM4320a based", | |
1487cd5e JK |
2926 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
2927 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
2928 | .bind = rndis_wlan_bind, |
2929 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
2930 | .status = rndis_status, |
2931 | .rx_fixup = rndis_rx_fixup, | |
2932 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 2933 | .reset = rndis_wlan_reset, |
222ec50a | 2934 | .stop = rndis_wlan_stop, |
59620e9f | 2935 | .early_init = bcm4320a_early_init, |
2a4901bc | 2936 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
2937 | }; |
2938 | ||
582241a0 | 2939 | static const struct driver_info rndis_wlan_info = { |
bf164cc0 | 2940 | .description = "Wireless RNDIS device", |
1487cd5e JK |
2941 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
2942 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
2943 | .bind = rndis_wlan_bind, |
2944 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
2945 | .status = rndis_status, |
2946 | .rx_fixup = rndis_rx_fixup, | |
2947 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 2948 | .reset = rndis_wlan_reset, |
222ec50a | 2949 | .stop = rndis_wlan_stop, |
59620e9f | 2950 | .early_init = bcm4320a_early_init, |
2a4901bc | 2951 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
2952 | }; |
2953 | ||
2954 | /*-------------------------------------------------------------------------*/ | |
2955 | ||
2956 | static const struct usb_device_id products [] = { | |
2957 | #define RNDIS_MASTER_INTERFACE \ | |
2958 | .bInterfaceClass = USB_CLASS_COMM, \ | |
2959 | .bInterfaceSubClass = 2 /* ACM */, \ | |
2960 | .bInterfaceProtocol = 0x0ff | |
2961 | ||
2962 | /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom | |
2963 | * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki. | |
2964 | */ | |
2965 | { | |
2966 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2967 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2968 | .idVendor = 0x0411, | |
2969 | .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */ | |
2970 | RNDIS_MASTER_INTERFACE, | |
2971 | .driver_info = (unsigned long) &bcm4320b_info, | |
2972 | }, { | |
2973 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2974 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2975 | .idVendor = 0x0baf, | |
2976 | .idProduct = 0x011b, /* U.S. Robotics USR5421 */ | |
2977 | RNDIS_MASTER_INTERFACE, | |
2978 | .driver_info = (unsigned long) &bcm4320b_info, | |
2979 | }, { | |
2980 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2981 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2982 | .idVendor = 0x050d, | |
2983 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
2984 | RNDIS_MASTER_INTERFACE, | |
2985 | .driver_info = (unsigned long) &bcm4320b_info, | |
2986 | }, { | |
2987 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2988 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2989 | .idVendor = 0x1799, /* Belkin has two vendor ids */ | |
2990 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
2991 | RNDIS_MASTER_INTERFACE, | |
2992 | .driver_info = (unsigned long) &bcm4320b_info, | |
2993 | }, { | |
2994 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2995 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2996 | .idVendor = 0x13b1, | |
2997 | .idProduct = 0x0014, /* Linksys WUSB54GSv2 */ | |
2998 | RNDIS_MASTER_INTERFACE, | |
2999 | .driver_info = (unsigned long) &bcm4320b_info, | |
3000 | }, { | |
3001 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3002 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3003 | .idVendor = 0x13b1, | |
3004 | .idProduct = 0x0026, /* Linksys WUSB54GSC */ | |
3005 | RNDIS_MASTER_INTERFACE, | |
3006 | .driver_info = (unsigned long) &bcm4320b_info, | |
3007 | }, { | |
3008 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3009 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3010 | .idVendor = 0x0b05, | |
3011 | .idProduct = 0x1717, /* Asus WL169gE */ | |
3012 | RNDIS_MASTER_INTERFACE, | |
3013 | .driver_info = (unsigned long) &bcm4320b_info, | |
3014 | }, { | |
3015 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3016 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3017 | .idVendor = 0x0a5c, | |
3018 | .idProduct = 0xd11b, /* Eminent EM4045 */ | |
3019 | RNDIS_MASTER_INTERFACE, | |
3020 | .driver_info = (unsigned long) &bcm4320b_info, | |
3021 | }, { | |
3022 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3023 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3024 | .idVendor = 0x1690, | |
3025 | .idProduct = 0x0715, /* BT Voyager 1055 */ | |
3026 | RNDIS_MASTER_INTERFACE, | |
3027 | .driver_info = (unsigned long) &bcm4320b_info, | |
3028 | }, | |
3029 | /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom | |
3030 | * parameters available, hardware probably contain older firmware version with | |
3031 | * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki. | |
3032 | */ | |
3033 | { | |
3034 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3035 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3036 | .idVendor = 0x13b1, | |
3037 | .idProduct = 0x000e, /* Linksys WUSB54GSv1 */ | |
3038 | RNDIS_MASTER_INTERFACE, | |
3039 | .driver_info = (unsigned long) &bcm4320a_info, | |
3040 | }, { | |
3041 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3042 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3043 | .idVendor = 0x0baf, | |
3044 | .idProduct = 0x0111, /* U.S. Robotics USR5420 */ | |
3045 | RNDIS_MASTER_INTERFACE, | |
3046 | .driver_info = (unsigned long) &bcm4320a_info, | |
3047 | }, { | |
3048 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3049 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3050 | .idVendor = 0x0411, | |
3051 | .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */ | |
3052 | RNDIS_MASTER_INTERFACE, | |
3053 | .driver_info = (unsigned long) &bcm4320a_info, | |
3054 | }, | |
3055 | /* Generic Wireless RNDIS devices that we don't have exact | |
3056 | * idVendor/idProduct/chip yet. | |
3057 | */ | |
3058 | { | |
3059 | /* RNDIS is MSFT's un-official variant of CDC ACM */ | |
3060 | USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), | |
582241a0 | 3061 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3062 | }, { |
3063 | /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ | |
3064 | USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), | |
582241a0 | 3065 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3066 | }, |
3067 | { }, // END | |
3068 | }; | |
3069 | MODULE_DEVICE_TABLE(usb, products); | |
3070 | ||
3071 | static struct usb_driver rndis_wlan_driver = { | |
3072 | .name = "rndis_wlan", | |
3073 | .id_table = products, | |
3074 | .probe = usbnet_probe, | |
3075 | .disconnect = usbnet_disconnect, | |
3076 | .suspend = usbnet_suspend, | |
3077 | .resume = usbnet_resume, | |
3078 | }; | |
3079 | ||
3080 | static int __init rndis_wlan_init(void) | |
3081 | { | |
3082 | return usb_register(&rndis_wlan_driver); | |
3083 | } | |
3084 | module_init(rndis_wlan_init); | |
3085 | ||
3086 | static void __exit rndis_wlan_exit(void) | |
3087 | { | |
3088 | usb_deregister(&rndis_wlan_driver); | |
3089 | } | |
3090 | module_exit(rndis_wlan_exit); | |
3091 | ||
3092 | MODULE_AUTHOR("Bjorge Dijkstra"); | |
3093 | MODULE_AUTHOR("Jussi Kivilinna"); | |
3094 | MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); | |
3095 | MODULE_LICENSE("GPL"); | |
3096 |