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> | |
2c706002 | 39 | #include <linux/ieee80211.h> |
bf164cc0 JK |
40 | #include <linux/if_arp.h> |
41 | #include <linux/ctype.h> | |
42 | #include <linux/spinlock.h> | |
5a0e3ad6 | 43 | #include <linux/slab.h> |
5c8fa4f7 | 44 | #include <net/cfg80211.h> |
bf164cc0 JK |
45 | #include <linux/usb/usbnet.h> |
46 | #include <linux/usb/rndis_host.h> | |
47 | ||
48 | ||
49 | /* NOTE: All these are settings for Broadcom chipset */ | |
50 | static char modparam_country[4] = "EU"; | |
51 | module_param_string(country, modparam_country, 4, 0444); | |
52 | MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU"); | |
53 | ||
54 | static int modparam_frameburst = 1; | |
55 | module_param_named(frameburst, modparam_frameburst, int, 0444); | |
56 | MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)"); | |
57 | ||
58 | static int modparam_afterburner = 0; | |
59 | module_param_named(afterburner, modparam_afterburner, int, 0444); | |
60 | MODULE_PARM_DESC(afterburner, | |
61 | "enable afterburner aka '125 High Speed Mode' (default: off)"); | |
62 | ||
63 | static int modparam_power_save = 0; | |
64 | module_param_named(power_save, modparam_power_save, int, 0444); | |
65 | MODULE_PARM_DESC(power_save, | |
66 | "set power save mode: 0=off, 1=on, 2=fast (default: off)"); | |
67 | ||
68 | static int modparam_power_output = 3; | |
69 | module_param_named(power_output, modparam_power_output, int, 0444); | |
70 | MODULE_PARM_DESC(power_output, | |
71 | "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)"); | |
72 | ||
73 | static int modparam_roamtrigger = -70; | |
74 | module_param_named(roamtrigger, modparam_roamtrigger, int, 0444); | |
75 | MODULE_PARM_DESC(roamtrigger, | |
76 | "set roaming dBm trigger: -80=optimize for distance, " | |
77 | "-60=bandwidth (default: -70)"); | |
78 | ||
79 | static int modparam_roamdelta = 1; | |
80 | module_param_named(roamdelta, modparam_roamdelta, int, 0444); | |
81 | MODULE_PARM_DESC(roamdelta, | |
82 | "set roaming tendency: 0=aggressive, 1=moderate, " | |
83 | "2=conservative (default: moderate)"); | |
84 | ||
77593ae2 | 85 | static int modparam_workaround_interval; |
bf164cc0 JK |
86 | module_param_named(workaround_interval, modparam_workaround_interval, |
87 | int, 0444); | |
88 | MODULE_PARM_DESC(workaround_interval, | |
77593ae2 | 89 | "set stall workaround interval in msecs (0=disabled) (default: 0)"); |
bf164cc0 JK |
90 | |
91 | ||
92 | /* various RNDIS OID defs */ | |
35c26c2c HH |
93 | #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107) |
94 | #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b) | |
95 | ||
96 | #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101) | |
97 | #define OID_GEN_RCV_OK cpu_to_le32(0x00020102) | |
98 | #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103) | |
99 | #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104) | |
100 | #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105) | |
101 | ||
35c26c2c HH |
102 | #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102) |
103 | #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103) | |
104 | #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104) | |
105 | ||
106 | #define OID_802_11_BSSID cpu_to_le32(0x0d010101) | |
107 | #define OID_802_11_SSID cpu_to_le32(0x0d010102) | |
108 | #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108) | |
109 | #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113) | |
110 | #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114) | |
111 | #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115) | |
112 | #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118) | |
113 | #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119) | |
114 | #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a) | |
115 | #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b) | |
116 | #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d) | |
117 | #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e) | |
118 | #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f) | |
0308383f | 119 | #define OID_802_11_CAPABILITY cpu_to_le32(0x0d010122) |
35c26c2c HH |
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) | |
40d70dd1 | 130 | #define OID_802_11_POWER_MODE cpu_to_le32(0x0d010216) |
35c26c2c | 131 | #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217) |
bf164cc0 JK |
132 | |
133 | ||
134 | /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */ | |
135 | #define WL_NOISE -96 /* typical noise level in dBm */ | |
136 | #define WL_SIGMAX -32 /* typical maximum signal level in dBm */ | |
137 | ||
138 | ||
139 | /* Assume that Broadcom 4320 (only chipset at time of writing known to be | |
140 | * based on wireless rndis) has default txpower of 13dBm. | |
141 | * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications. | |
222ec50a JK |
142 | * 100% : 20 mW ~ 13dBm |
143 | * 75% : 15 mW ~ 12dBm | |
144 | * 50% : 10 mW ~ 10dBm | |
145 | * 25% : 5 mW ~ 7dBm | |
bf164cc0 | 146 | */ |
222ec50a JK |
147 | #define BCM4320_DEFAULT_TXPOWER_DBM_100 13 |
148 | #define BCM4320_DEFAULT_TXPOWER_DBM_75 12 | |
149 | #define BCM4320_DEFAULT_TXPOWER_DBM_50 10 | |
150 | #define BCM4320_DEFAULT_TXPOWER_DBM_25 7 | |
bf164cc0 JK |
151 | |
152 | ||
153 | /* codes for "status" field of completion messages */ | |
35c26c2c HH |
154 | #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011) |
155 | #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012) | |
bf164cc0 JK |
156 | |
157 | ||
5cb56af2 JK |
158 | /* Known device types */ |
159 | #define RNDIS_UNKNOWN 0 | |
160 | #define RNDIS_BCM4320A 1 | |
161 | #define RNDIS_BCM4320B 2 | |
162 | ||
163 | ||
bf164cc0 JK |
164 | /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c |
165 | * slightly modified for datatype endianess, etc | |
166 | */ | |
167 | #define NDIS_802_11_LENGTH_SSID 32 | |
168 | #define NDIS_802_11_LENGTH_RATES 8 | |
169 | #define NDIS_802_11_LENGTH_RATES_EX 16 | |
170 | ||
1e41e1d2 | 171 | enum ndis_80211_net_type { |
aa18294a JK |
172 | NDIS_80211_TYPE_FREQ_HOP, |
173 | NDIS_80211_TYPE_DIRECT_SEQ, | |
174 | NDIS_80211_TYPE_OFDM_A, | |
175 | NDIS_80211_TYPE_OFDM_G | |
1e41e1d2 JK |
176 | }; |
177 | ||
178 | enum ndis_80211_net_infra { | |
aa18294a JK |
179 | NDIS_80211_INFRA_ADHOC, |
180 | NDIS_80211_INFRA_INFRA, | |
181 | NDIS_80211_INFRA_AUTO_UNKNOWN | |
1e41e1d2 JK |
182 | }; |
183 | ||
184 | enum ndis_80211_auth_mode { | |
aa18294a JK |
185 | NDIS_80211_AUTH_OPEN, |
186 | NDIS_80211_AUTH_SHARED, | |
187 | NDIS_80211_AUTH_AUTO_SWITCH, | |
188 | NDIS_80211_AUTH_WPA, | |
189 | NDIS_80211_AUTH_WPA_PSK, | |
190 | NDIS_80211_AUTH_WPA_NONE, | |
191 | NDIS_80211_AUTH_WPA2, | |
192 | NDIS_80211_AUTH_WPA2_PSK | |
1e41e1d2 JK |
193 | }; |
194 | ||
195 | enum ndis_80211_encr_status { | |
aa18294a JK |
196 | NDIS_80211_ENCR_WEP_ENABLED, |
197 | NDIS_80211_ENCR_DISABLED, | |
198 | NDIS_80211_ENCR_WEP_KEY_ABSENT, | |
199 | NDIS_80211_ENCR_NOT_SUPPORTED, | |
200 | NDIS_80211_ENCR_TKIP_ENABLED, | |
201 | NDIS_80211_ENCR_TKIP_KEY_ABSENT, | |
202 | NDIS_80211_ENCR_CCMP_ENABLED, | |
203 | NDIS_80211_ENCR_CCMP_KEY_ABSENT | |
1e41e1d2 JK |
204 | }; |
205 | ||
206 | enum ndis_80211_priv_filter { | |
aa18294a JK |
207 | NDIS_80211_PRIV_ACCEPT_ALL, |
208 | NDIS_80211_PRIV_8021X_WEP | |
1e41e1d2 JK |
209 | }; |
210 | ||
030645ac JK |
211 | enum ndis_80211_status_type { |
212 | NDIS_80211_STATUSTYPE_AUTHENTICATION, | |
213 | NDIS_80211_STATUSTYPE_MEDIASTREAMMODE, | |
214 | NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST, | |
215 | NDIS_80211_STATUSTYPE_RADIOSTATE, | |
216 | }; | |
217 | ||
218 | enum ndis_80211_media_stream_mode { | |
219 | NDIS_80211_MEDIA_STREAM_OFF, | |
220 | NDIS_80211_MEDIA_STREAM_ON | |
221 | }; | |
222 | ||
223 | enum ndis_80211_radio_status { | |
224 | NDIS_80211_RADIO_STATUS_ON, | |
225 | NDIS_80211_RADIO_STATUS_HARDWARE_OFF, | |
226 | NDIS_80211_RADIO_STATUS_SOFTWARE_OFF, | |
227 | }; | |
228 | ||
b4703a2e | 229 | enum ndis_80211_addkey_bits { |
aa18294a JK |
230 | NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28), |
231 | NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29), | |
232 | NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30), | |
233 | NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31) | |
b4703a2e JK |
234 | }; |
235 | ||
236 | enum ndis_80211_addwep_bits { | |
aa18294a JK |
237 | NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30), |
238 | NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31) | |
b4703a2e JK |
239 | }; |
240 | ||
40d70dd1 JK |
241 | enum ndis_80211_power_mode { |
242 | NDIS_80211_POWER_MODE_CAM, | |
243 | NDIS_80211_POWER_MODE_MAX_PSP, | |
244 | NDIS_80211_POWER_MODE_FAST_PSP, | |
245 | }; | |
246 | ||
030645ac JK |
247 | struct ndis_80211_auth_request { |
248 | __le32 length; | |
249 | u8 bssid[6]; | |
250 | u8 padding[2]; | |
251 | __le32 flags; | |
ba2d3587 | 252 | } __packed; |
030645ac JK |
253 | |
254 | struct ndis_80211_pmkid_candidate { | |
255 | u8 bssid[6]; | |
256 | u8 padding[2]; | |
257 | __le32 flags; | |
ba2d3587 | 258 | } __packed; |
030645ac JK |
259 | |
260 | struct ndis_80211_pmkid_cand_list { | |
261 | __le32 version; | |
262 | __le32 num_candidates; | |
263 | struct ndis_80211_pmkid_candidate candidate_list[0]; | |
ba2d3587 | 264 | } __packed; |
030645ac JK |
265 | |
266 | struct ndis_80211_status_indication { | |
267 | __le32 status_type; | |
268 | union { | |
53d27eaf JK |
269 | __le32 media_stream_mode; |
270 | __le32 radio_status; | |
030645ac JK |
271 | struct ndis_80211_auth_request auth_request[0]; |
272 | struct ndis_80211_pmkid_cand_list cand_list; | |
273 | } u; | |
ba2d3587 | 274 | } __packed; |
030645ac | 275 | |
1e41e1d2 | 276 | struct ndis_80211_ssid { |
461b3f2a JK |
277 | __le32 length; |
278 | u8 essid[NDIS_802_11_LENGTH_SSID]; | |
ba2d3587 | 279 | } __packed; |
bf164cc0 | 280 | |
1e41e1d2 | 281 | struct ndis_80211_conf_freq_hop { |
461b3f2a JK |
282 | __le32 length; |
283 | __le32 hop_pattern; | |
284 | __le32 hop_set; | |
285 | __le32 dwell_time; | |
ba2d3587 | 286 | } __packed; |
bf164cc0 | 287 | |
1e41e1d2 | 288 | struct ndis_80211_conf { |
461b3f2a JK |
289 | __le32 length; |
290 | __le32 beacon_period; | |
291 | __le32 atim_window; | |
292 | __le32 ds_config; | |
293 | struct ndis_80211_conf_freq_hop fh_config; | |
ba2d3587 | 294 | } __packed; |
bf164cc0 | 295 | |
1e41e1d2 | 296 | struct ndis_80211_bssid_ex { |
461b3f2a JK |
297 | __le32 length; |
298 | u8 mac[6]; | |
299 | u8 padding[2]; | |
300 | struct ndis_80211_ssid ssid; | |
301 | __le32 privacy; | |
302 | __le32 rssi; | |
303 | __le32 net_type; | |
304 | struct ndis_80211_conf config; | |
305 | __le32 net_infra; | |
306 | u8 rates[NDIS_802_11_LENGTH_RATES_EX]; | |
307 | __le32 ie_length; | |
308 | u8 ies[0]; | |
ba2d3587 | 309 | } __packed; |
bf164cc0 | 310 | |
1e41e1d2 | 311 | struct ndis_80211_bssid_list_ex { |
461b3f2a JK |
312 | __le32 num_items; |
313 | struct ndis_80211_bssid_ex bssid[0]; | |
ba2d3587 | 314 | } __packed; |
bf164cc0 | 315 | |
1e41e1d2 | 316 | struct ndis_80211_fixed_ies { |
461b3f2a JK |
317 | u8 timestamp[8]; |
318 | __le16 beacon_interval; | |
319 | __le16 capabilities; | |
ba2d3587 | 320 | } __packed; |
bf164cc0 | 321 | |
1e41e1d2 | 322 | struct ndis_80211_wep_key { |
461b3f2a JK |
323 | __le32 size; |
324 | __le32 index; | |
325 | __le32 length; | |
326 | u8 material[32]; | |
ba2d3587 | 327 | } __packed; |
bf164cc0 | 328 | |
1e41e1d2 | 329 | struct ndis_80211_key { |
461b3f2a JK |
330 | __le32 size; |
331 | __le32 index; | |
332 | __le32 length; | |
333 | u8 bssid[6]; | |
334 | u8 padding[6]; | |
335 | u8 rsc[8]; | |
336 | u8 material[32]; | |
ba2d3587 | 337 | } __packed; |
bf164cc0 | 338 | |
1e41e1d2 | 339 | struct ndis_80211_remove_key { |
461b3f2a JK |
340 | __le32 size; |
341 | __le32 index; | |
342 | u8 bssid[6]; | |
9d40934e | 343 | u8 padding[2]; |
ba2d3587 | 344 | } __packed; |
bf164cc0 | 345 | |
1e41e1d2 | 346 | struct ndis_config_param { |
461b3f2a JK |
347 | __le32 name_offs; |
348 | __le32 name_length; | |
349 | __le32 type; | |
350 | __le32 value_offs; | |
351 | __le32 value_length; | |
ba2d3587 | 352 | } __packed; |
bf164cc0 | 353 | |
4364623c SA |
354 | struct ndis_80211_assoc_info { |
355 | __le32 length; | |
356 | __le16 req_ies; | |
357 | struct req_ie { | |
358 | __le16 capa; | |
359 | __le16 listen_interval; | |
360 | u8 cur_ap_address[6]; | |
361 | } req_ie; | |
362 | __le32 req_ie_length; | |
363 | __le32 offset_req_ies; | |
364 | __le16 resp_ies; | |
365 | struct resp_ie { | |
366 | __le16 capa; | |
367 | __le16 status_code; | |
368 | __le16 assoc_id; | |
369 | } resp_ie; | |
370 | __le32 resp_ie_length; | |
371 | __le32 offset_resp_ies; | |
ba2d3587 | 372 | } __packed; |
4364623c | 373 | |
0308383f JK |
374 | struct ndis_80211_auth_encr_pair { |
375 | __le32 auth_mode; | |
376 | __le32 encr_mode; | |
ba2d3587 | 377 | } __packed; |
0308383f JK |
378 | |
379 | struct ndis_80211_capability { | |
380 | __le32 length; | |
381 | __le32 version; | |
382 | __le32 num_pmkids; | |
383 | __le32 num_auth_encr_pair; | |
384 | struct ndis_80211_auth_encr_pair auth_encr_pair[0]; | |
ba2d3587 | 385 | } __packed; |
0308383f | 386 | |
5a7d0583 JK |
387 | struct ndis_80211_bssid_info { |
388 | u8 bssid[6]; | |
389 | u8 pmkid[16]; | |
390 | }; | |
391 | ||
392 | struct ndis_80211_pmkid { | |
393 | __le32 length; | |
394 | __le32 bssid_info_count; | |
395 | struct ndis_80211_bssid_info bssid_info[0]; | |
396 | }; | |
397 | ||
bf164cc0 JK |
398 | /* |
399 | * private data | |
400 | */ | |
401 | #define NET_TYPE_11FB 0 | |
402 | ||
403 | #define CAP_MODE_80211A 1 | |
404 | #define CAP_MODE_80211B 2 | |
405 | #define CAP_MODE_80211G 4 | |
406 | #define CAP_MODE_MASK 7 | |
bf164cc0 | 407 | |
6010ce07 JK |
408 | #define WORK_LINK_UP (1<<0) |
409 | #define WORK_LINK_DOWN (1<<1) | |
410 | #define WORK_SET_MULTICAST_LIST (1<<2) | |
bf164cc0 | 411 | |
5c52323e JK |
412 | #define RNDIS_WLAN_ALG_NONE 0 |
413 | #define RNDIS_WLAN_ALG_WEP (1<<0) | |
414 | #define RNDIS_WLAN_ALG_TKIP (1<<1) | |
415 | #define RNDIS_WLAN_ALG_CCMP (1<<2) | |
416 | ||
417 | #define RNDIS_WLAN_KEY_MGMT_NONE 0 | |
418 | #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0) | |
419 | #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1) | |
420 | ||
90d07349 JK |
421 | #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) |
422 | ||
5c8fa4f7 JL |
423 | static const struct ieee80211_channel rndis_channels[] = { |
424 | { .center_freq = 2412 }, | |
425 | { .center_freq = 2417 }, | |
426 | { .center_freq = 2422 }, | |
427 | { .center_freq = 2427 }, | |
428 | { .center_freq = 2432 }, | |
429 | { .center_freq = 2437 }, | |
430 | { .center_freq = 2442 }, | |
431 | { .center_freq = 2447 }, | |
432 | { .center_freq = 2452 }, | |
433 | { .center_freq = 2457 }, | |
434 | { .center_freq = 2462 }, | |
435 | { .center_freq = 2467 }, | |
436 | { .center_freq = 2472 }, | |
437 | { .center_freq = 2484 }, | |
438 | }; | |
439 | ||
440 | static const struct ieee80211_rate rndis_rates[] = { | |
441 | { .bitrate = 10 }, | |
442 | { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
443 | { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
444 | { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
445 | { .bitrate = 60 }, | |
446 | { .bitrate = 90 }, | |
447 | { .bitrate = 120 }, | |
448 | { .bitrate = 180 }, | |
449 | { .bitrate = 240 }, | |
450 | { .bitrate = 360 }, | |
451 | { .bitrate = 480 }, | |
452 | { .bitrate = 540 } | |
453 | }; | |
454 | ||
4a7f13ee JK |
455 | static const u32 rndis_cipher_suites[] = { |
456 | WLAN_CIPHER_SUITE_WEP40, | |
457 | WLAN_CIPHER_SUITE_WEP104, | |
458 | WLAN_CIPHER_SUITE_TKIP, | |
459 | WLAN_CIPHER_SUITE_CCMP, | |
460 | }; | |
461 | ||
b7cfc5b3 JK |
462 | struct rndis_wlan_encr_key { |
463 | int len; | |
84bf8400 | 464 | u32 cipher; |
b7cfc5b3 JK |
465 | u8 material[32]; |
466 | u8 bssid[ETH_ALEN]; | |
467 | bool pairwise; | |
468 | bool tx_key; | |
469 | }; | |
470 | ||
bf164cc0 | 471 | /* RNDIS device private data */ |
582241a0 | 472 | struct rndis_wlan_private { |
bf164cc0 JK |
473 | struct usbnet *usbdev; |
474 | ||
5c8fa4f7 JL |
475 | struct wireless_dev wdev; |
476 | ||
71a7b26d JK |
477 | struct cfg80211_scan_request *scan_request; |
478 | ||
bf164cc0 | 479 | struct workqueue_struct *workqueue; |
305e243e | 480 | struct delayed_work dev_poller_work; |
71a7b26d | 481 | struct delayed_work scan_work; |
bf164cc0 JK |
482 | struct work_struct work; |
483 | struct mutex command_lock; | |
bf164cc0 | 484 | unsigned long work_pending; |
8b89a288 | 485 | int last_qual; |
49b35bd3 JK |
486 | s32 cqm_rssi_thold; |
487 | u32 cqm_rssi_hyst; | |
488 | int last_cqm_event_rssi; | |
bf164cc0 | 489 | |
5c8fa4f7 JL |
490 | struct ieee80211_supported_band band; |
491 | struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)]; | |
492 | struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)]; | |
4a7f13ee | 493 | u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)]; |
5c8fa4f7 | 494 | |
5cb56af2 | 495 | int device_type; |
bf164cc0 JK |
496 | int caps; |
497 | int multicast_size; | |
498 | ||
499 | /* module parameters */ | |
500 | char param_country[4]; | |
501 | int param_frameburst; | |
502 | int param_afterburner; | |
503 | int param_power_save; | |
504 | int param_power_output; | |
505 | int param_roamtrigger; | |
506 | int param_roamdelta; | |
507 | u32 param_workaround_interval; | |
508 | ||
509 | /* hardware state */ | |
051ae0bf | 510 | bool radio_on; |
40d70dd1 | 511 | int power_mode; |
bf164cc0 | 512 | int infra_mode; |
5c52323e | 513 | bool connected; |
8b89a288 | 514 | u8 bssid[ETH_ALEN]; |
5f81ff5a | 515 | __le32 current_command_oid; |
bf164cc0 JK |
516 | |
517 | /* encryption stuff */ | |
518 | int encr_tx_key_index; | |
b7cfc5b3 | 519 | struct rndis_wlan_encr_key encr_keys[4]; |
bf164cc0 | 520 | int wpa_version; |
90d07349 JK |
521 | |
522 | u8 command_buffer[COMMAND_BUFFER_SIZE]; | |
bf164cc0 JK |
523 | }; |
524 | ||
964c1d41 JL |
525 | /* |
526 | * cfg80211 ops | |
527 | */ | |
e36d56b6 JB |
528 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
529 | struct net_device *dev, | |
964c1d41 JL |
530 | enum nl80211_iftype type, u32 *flags, |
531 | struct vif_params *params); | |
532 | ||
71a7b26d JK |
533 | static int rndis_scan(struct wiphy *wiphy, struct net_device *dev, |
534 | struct cfg80211_scan_request *request); | |
535 | ||
d75ec2b7 JK |
536 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed); |
537 | ||
fa61cf70 JO |
538 | static int rndis_set_tx_power(struct wiphy *wiphy, |
539 | enum nl80211_tx_power_setting type, | |
540 | int mbm); | |
222ec50a JK |
541 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm); |
542 | ||
5c52323e JK |
543 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
544 | struct cfg80211_connect_params *sme); | |
545 | ||
546 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
547 | u16 reason_code); | |
548 | ||
549 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
550 | struct cfg80211_ibss_params *params); | |
551 | ||
552 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev); | |
553 | ||
f444de05 | 554 | static int rndis_set_channel(struct wiphy *wiphy, struct net_device *dev, |
5554adbe JK |
555 | struct ieee80211_channel *chan, enum nl80211_channel_type channel_type); |
556 | ||
84bf8400 | 557 | static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
e31b8213 JB |
558 | u8 key_index, bool pairwise, const u8 *mac_addr, |
559 | struct key_params *params); | |
84bf8400 JK |
560 | |
561 | static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
e31b8213 | 562 | u8 key_index, bool pairwise, const u8 *mac_addr); |
84bf8400 JK |
563 | |
564 | static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
dbd2fd65 | 565 | u8 key_index, bool unicast, bool multicast); |
84bf8400 | 566 | |
8b89a288 JK |
567 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, |
568 | u8 *mac, struct station_info *sinfo); | |
569 | ||
d695df90 JK |
570 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
571 | int idx, u8 *mac, struct station_info *sinfo); | |
572 | ||
5a7d0583 JK |
573 | static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, |
574 | struct cfg80211_pmksa *pmksa); | |
575 | ||
576 | static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
577 | struct cfg80211_pmksa *pmksa); | |
578 | ||
579 | static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev); | |
580 | ||
40d70dd1 JK |
581 | static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
582 | bool enabled, int timeout); | |
583 | ||
49b35bd3 JK |
584 | static int rndis_set_cqm_rssi_config(struct wiphy *wiphy, |
585 | struct net_device *dev, | |
586 | s32 rssi_thold, u32 rssi_hyst); | |
587 | ||
c2aa4132 | 588 | static const struct cfg80211_ops rndis_config_ops = { |
964c1d41 | 589 | .change_virtual_intf = rndis_change_virtual_intf, |
71a7b26d | 590 | .scan = rndis_scan, |
d75ec2b7 | 591 | .set_wiphy_params = rndis_set_wiphy_params, |
222ec50a JK |
592 | .set_tx_power = rndis_set_tx_power, |
593 | .get_tx_power = rndis_get_tx_power, | |
5c52323e JK |
594 | .connect = rndis_connect, |
595 | .disconnect = rndis_disconnect, | |
596 | .join_ibss = rndis_join_ibss, | |
597 | .leave_ibss = rndis_leave_ibss, | |
5554adbe | 598 | .set_channel = rndis_set_channel, |
84bf8400 JK |
599 | .add_key = rndis_add_key, |
600 | .del_key = rndis_del_key, | |
601 | .set_default_key = rndis_set_default_key, | |
8b89a288 | 602 | .get_station = rndis_get_station, |
d695df90 | 603 | .dump_station = rndis_dump_station, |
5a7d0583 JK |
604 | .set_pmksa = rndis_set_pmksa, |
605 | .del_pmksa = rndis_del_pmksa, | |
606 | .flush_pmksa = rndis_flush_pmksa, | |
40d70dd1 | 607 | .set_power_mgmt = rndis_set_power_mgmt, |
49b35bd3 | 608 | .set_cqm_rssi_config = rndis_set_cqm_rssi_config, |
964c1d41 | 609 | }; |
bf164cc0 | 610 | |
caa6dfad | 611 | static void *rndis_wiphy_privid = &rndis_wiphy_privid; |
bf164cc0 | 612 | |
bf164cc0 | 613 | |
582241a0 | 614 | static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev) |
bf164cc0 | 615 | { |
582241a0 | 616 | return (struct rndis_wlan_private *)dev->driver_priv; |
bf164cc0 JK |
617 | } |
618 | ||
222ec50a | 619 | static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv) |
bf164cc0 | 620 | { |
222ec50a JK |
621 | switch (priv->param_power_output) { |
622 | default: | |
623 | case 3: | |
624 | return BCM4320_DEFAULT_TXPOWER_DBM_100; | |
625 | case 2: | |
626 | return BCM4320_DEFAULT_TXPOWER_DBM_75; | |
627 | case 1: | |
628 | return BCM4320_DEFAULT_TXPOWER_DBM_50; | |
629 | case 0: | |
630 | return BCM4320_DEFAULT_TXPOWER_DBM_25; | |
631 | } | |
bf164cc0 JK |
632 | } |
633 | ||
b7cfc5b3 JK |
634 | static bool is_wpa_key(struct rndis_wlan_private *priv, int idx) |
635 | { | |
636 | int cipher = priv->encr_keys[idx].cipher; | |
637 | ||
638 | return (cipher == WLAN_CIPHER_SUITE_CCMP || | |
639 | cipher == WLAN_CIPHER_SUITE_TKIP); | |
640 | } | |
641 | ||
5c52323e JK |
642 | static int rndis_cipher_to_alg(u32 cipher) |
643 | { | |
644 | switch (cipher) { | |
645 | default: | |
646 | return RNDIS_WLAN_ALG_NONE; | |
647 | case WLAN_CIPHER_SUITE_WEP40: | |
648 | case WLAN_CIPHER_SUITE_WEP104: | |
649 | return RNDIS_WLAN_ALG_WEP; | |
650 | case WLAN_CIPHER_SUITE_TKIP: | |
651 | return RNDIS_WLAN_ALG_TKIP; | |
652 | case WLAN_CIPHER_SUITE_CCMP: | |
653 | return RNDIS_WLAN_ALG_CCMP; | |
654 | } | |
655 | } | |
656 | ||
657 | static int rndis_akm_suite_to_key_mgmt(u32 akm_suite) | |
658 | { | |
659 | switch (akm_suite) { | |
660 | default: | |
661 | return RNDIS_WLAN_KEY_MGMT_NONE; | |
662 | case WLAN_AKM_SUITE_8021X: | |
663 | return RNDIS_WLAN_KEY_MGMT_802_1X; | |
664 | case WLAN_AKM_SUITE_PSK: | |
665 | return RNDIS_WLAN_KEY_MGMT_PSK; | |
666 | } | |
667 | } | |
668 | ||
27b7b5c1 JK |
669 | #ifdef DEBUG |
670 | static const char *oid_to_string(__le32 oid) | |
671 | { | |
672 | switch (oid) { | |
673 | #define OID_STR(oid) case oid: return(#oid) | |
674 | /* from rndis_host.h */ | |
675 | OID_STR(OID_802_3_PERMANENT_ADDRESS); | |
676 | OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE); | |
677 | OID_STR(OID_GEN_CURRENT_PACKET_FILTER); | |
678 | OID_STR(OID_GEN_PHYSICAL_MEDIUM); | |
679 | ||
680 | /* from rndis_wlan.c */ | |
681 | OID_STR(OID_GEN_LINK_SPEED); | |
682 | OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER); | |
683 | ||
684 | OID_STR(OID_GEN_XMIT_OK); | |
685 | OID_STR(OID_GEN_RCV_OK); | |
686 | OID_STR(OID_GEN_XMIT_ERROR); | |
687 | OID_STR(OID_GEN_RCV_ERROR); | |
688 | OID_STR(OID_GEN_RCV_NO_BUFFER); | |
689 | ||
690 | OID_STR(OID_802_3_CURRENT_ADDRESS); | |
691 | OID_STR(OID_802_3_MULTICAST_LIST); | |
692 | OID_STR(OID_802_3_MAXIMUM_LIST_SIZE); | |
693 | ||
694 | OID_STR(OID_802_11_BSSID); | |
695 | OID_STR(OID_802_11_SSID); | |
696 | OID_STR(OID_802_11_INFRASTRUCTURE_MODE); | |
697 | OID_STR(OID_802_11_ADD_WEP); | |
698 | OID_STR(OID_802_11_REMOVE_WEP); | |
699 | OID_STR(OID_802_11_DISASSOCIATE); | |
700 | OID_STR(OID_802_11_AUTHENTICATION_MODE); | |
701 | OID_STR(OID_802_11_PRIVACY_FILTER); | |
702 | OID_STR(OID_802_11_BSSID_LIST_SCAN); | |
703 | OID_STR(OID_802_11_ENCRYPTION_STATUS); | |
704 | OID_STR(OID_802_11_ADD_KEY); | |
705 | OID_STR(OID_802_11_REMOVE_KEY); | |
706 | OID_STR(OID_802_11_ASSOCIATION_INFORMATION); | |
40d70dd1 | 707 | OID_STR(OID_802_11_CAPABILITY); |
27b7b5c1 JK |
708 | OID_STR(OID_802_11_PMKID); |
709 | OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED); | |
710 | OID_STR(OID_802_11_NETWORK_TYPE_IN_USE); | |
711 | OID_STR(OID_802_11_TX_POWER_LEVEL); | |
712 | OID_STR(OID_802_11_RSSI); | |
713 | OID_STR(OID_802_11_RSSI_TRIGGER); | |
714 | OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD); | |
715 | OID_STR(OID_802_11_RTS_THRESHOLD); | |
716 | OID_STR(OID_802_11_SUPPORTED_RATES); | |
717 | OID_STR(OID_802_11_CONFIGURATION); | |
40d70dd1 | 718 | OID_STR(OID_802_11_POWER_MODE); |
27b7b5c1 JK |
719 | OID_STR(OID_802_11_BSSID_LIST); |
720 | #undef OID_STR | |
721 | } | |
722 | ||
723 | return "?"; | |
724 | } | |
725 | #else | |
726 | static const char *oid_to_string(__le32 oid) | |
727 | { | |
728 | return "?"; | |
729 | } | |
730 | #endif | |
731 | ||
bf164cc0 JK |
732 | /* translate error code */ |
733 | static int rndis_error_status(__le32 rndis_status) | |
734 | { | |
735 | int ret = -EINVAL; | |
736 | switch (rndis_status) { | |
737 | case RNDIS_STATUS_SUCCESS: | |
738 | ret = 0; | |
739 | break; | |
740 | case RNDIS_STATUS_FAILURE: | |
741 | case RNDIS_STATUS_INVALID_DATA: | |
742 | ret = -EINVAL; | |
743 | break; | |
744 | case RNDIS_STATUS_NOT_SUPPORTED: | |
745 | ret = -EOPNOTSUPP; | |
746 | break; | |
747 | case RNDIS_STATUS_ADAPTER_NOT_READY: | |
748 | case RNDIS_STATUS_ADAPTER_NOT_OPEN: | |
749 | ret = -EBUSY; | |
750 | break; | |
751 | } | |
752 | return ret; | |
753 | } | |
754 | ||
bf164cc0 JK |
755 | static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len) |
756 | { | |
582241a0 | 757 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
758 | union { |
759 | void *buf; | |
760 | struct rndis_msg_hdr *header; | |
761 | struct rndis_query *get; | |
762 | struct rndis_query_c *get_c; | |
763 | } u; | |
764 | int ret, buflen; | |
80f8c5b4 | 765 | int resplen, respoffs, copylen; |
bf164cc0 JK |
766 | |
767 | buflen = *len + sizeof(*u.get); | |
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); | |
780 | ||
bf164cc0 JK |
781 | memset(u.get, 0, sizeof *u.get); |
782 | u.get->msg_type = RNDIS_MSG_QUERY; | |
35c26c2c | 783 | u.get->msg_len = cpu_to_le32(sizeof *u.get); |
bf164cc0 JK |
784 | u.get->oid = oid; |
785 | ||
5f81ff5a | 786 | priv->current_command_oid = oid; |
818727ba | 787 | ret = rndis_command(dev, u.header, buflen); |
5f81ff5a | 788 | priv->current_command_oid = 0; |
27b7b5c1 | 789 | if (ret < 0) |
60b86755 JP |
790 | netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", |
791 | __func__, oid_to_string(oid), ret, | |
792 | le32_to_cpu(u.get_c->status)); | |
27b7b5c1 | 793 | |
bf164cc0 | 794 | if (ret == 0) { |
80f8c5b4 JK |
795 | resplen = le32_to_cpu(u.get_c->len); |
796 | respoffs = le32_to_cpu(u.get_c->offset) + 8; | |
c1f8ca1d | 797 | |
80f8c5b4 JK |
798 | if (respoffs > buflen) { |
799 | /* Device returned data offset outside buffer, error. */ | |
800 | netdev_dbg(dev->net, "%s(%s): received invalid " | |
801 | "data offset: %d > %d\n", __func__, | |
802 | oid_to_string(oid), respoffs, buflen); | |
c1f8ca1d | 803 | |
80f8c5b4 JK |
804 | ret = -EINVAL; |
805 | goto exit_unlock; | |
806 | } | |
807 | ||
808 | if ((resplen + respoffs) > buflen) { | |
809 | /* Device would have returned more data if buffer would | |
810 | * have been big enough. Copy just the bits that we got. | |
811 | */ | |
812 | copylen = buflen - respoffs; | |
813 | } else { | |
814 | copylen = resplen; | |
815 | } | |
816 | ||
817 | if (copylen > *len) | |
818 | copylen = *len; | |
819 | ||
820 | memcpy(data, u.buf + respoffs, copylen); | |
821 | ||
822 | *len = resplen; | |
27b7b5c1 | 823 | |
c1f8ca1d | 824 | ret = rndis_error_status(u.get_c->status); |
27b7b5c1 | 825 | if (ret < 0) |
60b86755 JP |
826 | netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", |
827 | __func__, oid_to_string(oid), | |
828 | le32_to_cpu(u.get_c->status), ret); | |
bf164cc0 JK |
829 | } |
830 | ||
80f8c5b4 | 831 | exit_unlock: |
90d07349 JK |
832 | mutex_unlock(&priv->command_lock); |
833 | ||
834 | if (u.buf != priv->command_buffer) | |
835 | kfree(u.buf); | |
bf164cc0 JK |
836 | return ret; |
837 | } | |
838 | ||
22288a58 JP |
839 | static int rndis_set_oid(struct usbnet *dev, __le32 oid, const void *data, |
840 | int len) | |
bf164cc0 | 841 | { |
582241a0 | 842 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
843 | union { |
844 | void *buf; | |
845 | struct rndis_msg_hdr *header; | |
846 | struct rndis_set *set; | |
847 | struct rndis_set_c *set_c; | |
848 | } u; | |
849 | int ret, buflen; | |
850 | ||
851 | buflen = len + sizeof(*u.set); | |
852 | if (buflen < CONTROL_BUFFER_SIZE) | |
853 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
854 | |
855 | if (buflen > COMMAND_BUFFER_SIZE) { | |
856 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
857 | if (!u.buf) | |
858 | return -ENOMEM; | |
859 | } else { | |
860 | u.buf = priv->command_buffer; | |
861 | } | |
862 | ||
863 | mutex_lock(&priv->command_lock); | |
bf164cc0 JK |
864 | |
865 | memset(u.set, 0, sizeof *u.set); | |
866 | u.set->msg_type = RNDIS_MSG_SET; | |
867 | u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); | |
868 | u.set->oid = oid; | |
869 | u.set->len = cpu_to_le32(len); | |
35c26c2c HH |
870 | u.set->offset = cpu_to_le32(sizeof(*u.set) - 8); |
871 | u.set->handle = cpu_to_le32(0); | |
bf164cc0 JK |
872 | memcpy(u.buf + sizeof(*u.set), data, len); |
873 | ||
5f81ff5a | 874 | priv->current_command_oid = oid; |
818727ba | 875 | ret = rndis_command(dev, u.header, buflen); |
5f81ff5a | 876 | priv->current_command_oid = 0; |
27b7b5c1 | 877 | if (ret < 0) |
60b86755 JP |
878 | netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", |
879 | __func__, oid_to_string(oid), ret, | |
880 | le32_to_cpu(u.set_c->status)); | |
27b7b5c1 JK |
881 | |
882 | if (ret == 0) { | |
bf164cc0 JK |
883 | ret = rndis_error_status(u.set_c->status); |
884 | ||
27b7b5c1 | 885 | if (ret < 0) |
60b86755 JP |
886 | netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", |
887 | __func__, oid_to_string(oid), | |
888 | le32_to_cpu(u.set_c->status), ret); | |
27b7b5c1 JK |
889 | } |
890 | ||
90d07349 JK |
891 | mutex_unlock(&priv->command_lock); |
892 | ||
893 | if (u.buf != priv->command_buffer) | |
894 | kfree(u.buf); | |
bf164cc0 JK |
895 | return ret; |
896 | } | |
897 | ||
7eaab708 JK |
898 | static int rndis_reset(struct usbnet *usbdev) |
899 | { | |
900 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
901 | struct rndis_reset *reset; | |
902 | int ret; | |
903 | ||
904 | mutex_lock(&priv->command_lock); | |
905 | ||
906 | reset = (void *)priv->command_buffer; | |
907 | memset(reset, 0, sizeof(*reset)); | |
908 | reset->msg_type = RNDIS_MSG_RESET; | |
909 | reset->msg_len = cpu_to_le32(sizeof(*reset)); | |
5f81ff5a | 910 | priv->current_command_oid = 0; |
7eaab708 JK |
911 | ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE); |
912 | ||
913 | mutex_unlock(&priv->command_lock); | |
914 | ||
915 | if (ret < 0) | |
916 | return ret; | |
917 | return 0; | |
918 | } | |
919 | ||
bf164cc0 JK |
920 | /* |
921 | * Specs say that we can only set config parameters only soon after device | |
922 | * initialization. | |
923 | * value_type: 0 = u32, 2 = unicode string | |
924 | */ | |
925 | static int rndis_set_config_parameter(struct usbnet *dev, char *param, | |
926 | int value_type, void *value) | |
927 | { | |
1e41e1d2 | 928 | struct ndis_config_param *infobuf; |
bf164cc0 JK |
929 | int value_len, info_len, param_len, ret, i; |
930 | __le16 *unibuf; | |
931 | __le32 *dst_value; | |
932 | ||
933 | if (value_type == 0) | |
934 | value_len = sizeof(__le32); | |
935 | else if (value_type == 2) | |
936 | value_len = strlen(value) * sizeof(__le16); | |
937 | else | |
938 | return -EINVAL; | |
939 | ||
940 | param_len = strlen(param) * sizeof(__le16); | |
941 | info_len = sizeof(*infobuf) + param_len + value_len; | |
942 | ||
943 | #ifdef DEBUG | |
944 | info_len += 12; | |
945 | #endif | |
946 | infobuf = kmalloc(info_len, GFP_KERNEL); | |
947 | if (!infobuf) | |
948 | return -ENOMEM; | |
949 | ||
950 | #ifdef DEBUG | |
951 | info_len -= 12; | |
952 | /* extra 12 bytes are for padding (debug output) */ | |
953 | memset(infobuf, 0xCC, info_len + 12); | |
954 | #endif | |
955 | ||
956 | if (value_type == 2) | |
60b86755 JP |
957 | netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n", |
958 | param, (u8 *)value); | |
bf164cc0 | 959 | else |
60b86755 JP |
960 | netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n", |
961 | param, *(u32 *)value); | |
bf164cc0 | 962 | |
461b3f2a JK |
963 | infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); |
964 | infobuf->name_length = cpu_to_le32(param_len); | |
965 | infobuf->type = cpu_to_le32(value_type); | |
966 | infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); | |
967 | infobuf->value_length = cpu_to_le32(value_len); | |
bf164cc0 JK |
968 | |
969 | /* simple string to unicode string conversion */ | |
970 | unibuf = (void *)infobuf + sizeof(*infobuf); | |
971 | for (i = 0; i < param_len / sizeof(__le16); i++) | |
972 | unibuf[i] = cpu_to_le16(param[i]); | |
973 | ||
974 | if (value_type == 2) { | |
975 | unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; | |
976 | for (i = 0; i < value_len / sizeof(__le16); i++) | |
977 | unibuf[i] = cpu_to_le16(((u8 *)value)[i]); | |
978 | } else { | |
979 | dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; | |
980 | *dst_value = cpu_to_le32(*(u32 *)value); | |
981 | } | |
982 | ||
983 | #ifdef DEBUG | |
60b86755 | 984 | netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len); |
bf164cc0 JK |
985 | for (i = 0; i < info_len; i += 12) { |
986 | u32 *tmp = (u32 *)((u8 *)infobuf + i); | |
60b86755 JP |
987 | netdev_dbg(dev->net, "%08X:%08X:%08X\n", |
988 | cpu_to_be32(tmp[0]), | |
989 | cpu_to_be32(tmp[1]), | |
990 | cpu_to_be32(tmp[2])); | |
bf164cc0 JK |
991 | } |
992 | #endif | |
993 | ||
994 | ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER, | |
995 | infobuf, info_len); | |
996 | if (ret != 0) | |
60b86755 JP |
997 | netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n", |
998 | ret); | |
bf164cc0 JK |
999 | |
1000 | kfree(infobuf); | |
1001 | return ret; | |
1002 | } | |
1003 | ||
1004 | static int rndis_set_config_parameter_str(struct usbnet *dev, | |
1005 | char *param, char *value) | |
1006 | { | |
c5c4fe90 | 1007 | return rndis_set_config_parameter(dev, param, 2, value); |
bf164cc0 JK |
1008 | } |
1009 | ||
bf164cc0 JK |
1010 | /* |
1011 | * data conversion functions | |
1012 | */ | |
1013 | static int level_to_qual(int level) | |
1014 | { | |
1015 | int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); | |
1016 | return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; | |
1017 | } | |
1018 | ||
bf164cc0 JK |
1019 | /* |
1020 | * common functions | |
1021 | */ | |
9f77ccab | 1022 | static int set_infra_mode(struct usbnet *usbdev, int mode); |
b7cfc5b3 | 1023 | static void restore_keys(struct usbnet *usbdev); |
b5257c95 JK |
1024 | static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid, |
1025 | bool *matched); | |
bf164cc0 | 1026 | |
5cb56af2 JK |
1027 | static int rndis_start_bssid_list_scan(struct usbnet *usbdev) |
1028 | { | |
1029 | __le32 tmp; | |
1030 | ||
1031 | /* Note: OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */ | |
1032 | tmp = cpu_to_le32(1); | |
1033 | return rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, | |
1034 | sizeof(tmp)); | |
1035 | } | |
1036 | ||
1e41e1d2 | 1037 | static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 | 1038 | { |
582241a0 | 1039 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1040 | int ret; |
1041 | ||
1042 | ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid)); | |
5c52323e | 1043 | if (ret < 0) { |
60b86755 | 1044 | netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret); |
5c52323e JK |
1045 | return ret; |
1046 | } | |
bf164cc0 | 1047 | if (ret == 0) { |
051ae0bf | 1048 | priv->radio_on = true; |
60b86755 | 1049 | netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__); |
bf164cc0 JK |
1050 | } |
1051 | ||
1052 | return ret; | |
1053 | } | |
1054 | ||
22288a58 | 1055 | static int set_bssid(struct usbnet *usbdev, const u8 *bssid) |
5c52323e JK |
1056 | { |
1057 | int ret; | |
1058 | ||
1059 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); | |
1060 | if (ret < 0) { | |
60b86755 JP |
1061 | netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n", |
1062 | bssid, ret); | |
5c52323e JK |
1063 | return ret; |
1064 | } | |
1065 | ||
1066 | return ret; | |
1067 | } | |
1068 | ||
1069 | static int clear_bssid(struct usbnet *usbdev) | |
1070 | { | |
22288a58 JP |
1071 | static const u8 broadcast_mac[ETH_ALEN] = { |
1072 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
1073 | }; | |
5c52323e JK |
1074 | |
1075 | return set_bssid(usbdev, broadcast_mac); | |
1076 | } | |
bf164cc0 JK |
1077 | |
1078 | static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) | |
1079 | { | |
1080 | int ret, len; | |
1081 | ||
1082 | len = ETH_ALEN; | |
1083 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len); | |
1084 | ||
1085 | if (ret != 0) | |
1086 | memset(bssid, 0, ETH_ALEN); | |
1087 | ||
1088 | return ret; | |
1089 | } | |
1090 | ||
4364623c SA |
1091 | static int get_association_info(struct usbnet *usbdev, |
1092 | struct ndis_80211_assoc_info *info, int len) | |
1093 | { | |
1094 | return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, | |
1095 | info, &len); | |
1096 | } | |
bf164cc0 | 1097 | |
5c52323e | 1098 | static bool is_associated(struct usbnet *usbdev) |
bf164cc0 | 1099 | { |
5c52323e | 1100 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1101 | u8 bssid[ETH_ALEN]; |
1102 | int ret; | |
1103 | ||
5c52323e JK |
1104 | if (!priv->radio_on) |
1105 | return false; | |
1106 | ||
bf164cc0 JK |
1107 | ret = get_bssid(usbdev, bssid); |
1108 | ||
7b1fff99 | 1109 | return (ret == 0 && !is_zero_ether_addr(bssid)); |
bf164cc0 JK |
1110 | } |
1111 | ||
051ae0bf | 1112 | static int disassociate(struct usbnet *usbdev, bool reset_ssid) |
bf164cc0 | 1113 | { |
582241a0 | 1114 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1115 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
1116 | int i, ret = 0; |
1117 | ||
1118 | if (priv->radio_on) { | |
1119 | ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0); | |
1120 | if (ret == 0) { | |
051ae0bf | 1121 | priv->radio_on = false; |
60b86755 JP |
1122 | netdev_dbg(usbdev->net, "%s(): radio_on = false\n", |
1123 | __func__); | |
bf164cc0 JK |
1124 | |
1125 | if (reset_ssid) | |
1126 | msleep(100); | |
1127 | } | |
1128 | } | |
1129 | ||
1130 | /* disassociate causes radio to be turned off; if reset_ssid | |
1131 | * is given, set random ssid to enable radio */ | |
1132 | if (reset_ssid) { | |
9f77ccab JK |
1133 | /* Set device to infrastructure mode so we don't get ad-hoc |
1134 | * 'media connect' indications with the random ssid. | |
1135 | */ | |
1136 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
1137 | ||
461b3f2a JK |
1138 | ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
1139 | get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); | |
1140 | ssid.essid[0] = 0x1; | |
1141 | ssid.essid[1] = 0xff; | |
1142 | for (i = 2; i < sizeof(ssid.essid); i++) | |
1143 | ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); | |
bf164cc0 JK |
1144 | ret = set_essid(usbdev, &ssid); |
1145 | } | |
1146 | return ret; | |
1147 | } | |
1148 | ||
5c52323e JK |
1149 | static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version, |
1150 | enum nl80211_auth_type auth_type, int keymgmt) | |
bf164cc0 | 1151 | { |
582241a0 | 1152 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1153 | __le32 tmp; |
1154 | int auth_mode, ret; | |
1155 | ||
60b86755 JP |
1156 | netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n", |
1157 | __func__, wpa_version, auth_type, keymgmt); | |
bf164cc0 | 1158 | |
5c52323e JK |
1159 | if (wpa_version & NL80211_WPA_VERSION_2) { |
1160 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1161 | auth_mode = NDIS_80211_AUTH_WPA2; |
bf164cc0 | 1162 | else |
aa18294a | 1163 | auth_mode = NDIS_80211_AUTH_WPA2_PSK; |
5c52323e JK |
1164 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
1165 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1166 | auth_mode = NDIS_80211_AUTH_WPA; |
5c52323e | 1167 | else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK) |
aa18294a | 1168 | auth_mode = NDIS_80211_AUTH_WPA_PSK; |
bf164cc0 | 1169 | else |
aa18294a | 1170 | auth_mode = NDIS_80211_AUTH_WPA_NONE; |
5c52323e JK |
1171 | } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
1172 | auth_mode = NDIS_80211_AUTH_SHARED; | |
1173 | else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) | |
aa18294a | 1174 | auth_mode = NDIS_80211_AUTH_OPEN; |
634a555c JK |
1175 | else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC) |
1176 | auth_mode = NDIS_80211_AUTH_AUTO_SWITCH; | |
5c52323e JK |
1177 | else |
1178 | return -ENOTSUPP; | |
bf164cc0 JK |
1179 | |
1180 | tmp = cpu_to_le32(auth_mode); | |
1181 | ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, | |
1182 | sizeof(tmp)); | |
1183 | if (ret != 0) { | |
60b86755 JP |
1184 | netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n", |
1185 | ret); | |
bf164cc0 JK |
1186 | return ret; |
1187 | } | |
1188 | ||
1189 | priv->wpa_version = wpa_version; | |
5c52323e | 1190 | |
bf164cc0 JK |
1191 | return 0; |
1192 | } | |
1193 | ||
bf164cc0 JK |
1194 | static int set_priv_filter(struct usbnet *usbdev) |
1195 | { | |
582241a0 | 1196 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1197 | __le32 tmp; |
1198 | ||
60b86755 JP |
1199 | netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n", |
1200 | __func__, priv->wpa_version); | |
bf164cc0 | 1201 | |
5c52323e JK |
1202 | if (priv->wpa_version & NL80211_WPA_VERSION_2 || |
1203 | priv->wpa_version & NL80211_WPA_VERSION_1) | |
aa18294a | 1204 | tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP); |
bf164cc0 | 1205 | else |
aa18294a | 1206 | tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL); |
bf164cc0 JK |
1207 | |
1208 | return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp, | |
1209 | sizeof(tmp)); | |
1210 | } | |
1211 | ||
bf164cc0 JK |
1212 | static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) |
1213 | { | |
bf164cc0 JK |
1214 | __le32 tmp; |
1215 | int encr_mode, ret; | |
1216 | ||
60b86755 JP |
1217 | netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n", |
1218 | __func__, pairwise, groupwise); | |
bf164cc0 | 1219 | |
5c52323e | 1220 | if (pairwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1221 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1222 | else if (pairwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1223 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
5c52323e | 1224 | else if (pairwise & RNDIS_WLAN_ALG_WEP) |
aa18294a | 1225 | encr_mode = NDIS_80211_ENCR_WEP_ENABLED; |
5c52323e | 1226 | else if (groupwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1227 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1228 | else if (groupwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1229 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
bf164cc0 | 1230 | else |
aa18294a | 1231 | encr_mode = NDIS_80211_ENCR_DISABLED; |
bf164cc0 JK |
1232 | |
1233 | tmp = cpu_to_le32(encr_mode); | |
1234 | ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, | |
1235 | sizeof(tmp)); | |
1236 | if (ret != 0) { | |
60b86755 JP |
1237 | netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n", |
1238 | ret); | |
bf164cc0 JK |
1239 | return ret; |
1240 | } | |
1241 | ||
bf164cc0 JK |
1242 | return 0; |
1243 | } | |
1244 | ||
bf164cc0 JK |
1245 | static int set_infra_mode(struct usbnet *usbdev, int mode) |
1246 | { | |
582241a0 | 1247 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 1248 | __le32 tmp; |
b7cfc5b3 | 1249 | int ret; |
bf164cc0 | 1250 | |
60b86755 JP |
1251 | netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n", |
1252 | __func__, priv->infra_mode); | |
bf164cc0 JK |
1253 | |
1254 | tmp = cpu_to_le32(mode); | |
1255 | ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, | |
1256 | sizeof(tmp)); | |
1257 | if (ret != 0) { | |
60b86755 JP |
1258 | netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n", |
1259 | ret); | |
bf164cc0 JK |
1260 | return ret; |
1261 | } | |
1262 | ||
1263 | /* NDIS drivers clear keys when infrastructure mode is | |
1264 | * changed. But Linux tools assume otherwise. So set the | |
1265 | * keys */ | |
b7cfc5b3 | 1266 | restore_keys(usbdev); |
bf164cc0 JK |
1267 | |
1268 | priv->infra_mode = mode; | |
1269 | return 0; | |
1270 | } | |
1271 | ||
d75ec2b7 JK |
1272 | static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) |
1273 | { | |
1274 | __le32 tmp; | |
1275 | ||
60b86755 | 1276 | netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); |
d75ec2b7 JK |
1277 | |
1278 | if (rts_threshold < 0 || rts_threshold > 2347) | |
1279 | rts_threshold = 2347; | |
1280 | ||
1281 | tmp = cpu_to_le32(rts_threshold); | |
1282 | return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, | |
1283 | sizeof(tmp)); | |
1284 | } | |
1285 | ||
d75ec2b7 JK |
1286 | static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold) |
1287 | { | |
1288 | __le32 tmp; | |
1289 | ||
60b86755 | 1290 | netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold); |
d75ec2b7 JK |
1291 | |
1292 | if (frag_threshold < 256 || frag_threshold > 2346) | |
1293 | frag_threshold = 2346; | |
1294 | ||
1295 | tmp = cpu_to_le32(frag_threshold); | |
1296 | return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, | |
1297 | sizeof(tmp)); | |
1298 | } | |
1299 | ||
bf164cc0 JK |
1300 | static void set_default_iw_params(struct usbnet *usbdev) |
1301 | { | |
aa18294a | 1302 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); |
5c52323e JK |
1303 | set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM, |
1304 | RNDIS_WLAN_KEY_MGMT_NONE); | |
bf164cc0 | 1305 | set_priv_filter(usbdev); |
5c52323e | 1306 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1307 | } |
1308 | ||
bf164cc0 JK |
1309 | static int deauthenticate(struct usbnet *usbdev) |
1310 | { | |
1311 | int ret; | |
1312 | ||
051ae0bf | 1313 | ret = disassociate(usbdev, true); |
bf164cc0 JK |
1314 | set_default_iw_params(usbdev); |
1315 | return ret; | |
1316 | } | |
1317 | ||
5c52323e JK |
1318 | static int set_channel(struct usbnet *usbdev, int channel) |
1319 | { | |
1320 | struct ndis_80211_conf config; | |
1321 | unsigned int dsconfig; | |
1322 | int len, ret; | |
1323 | ||
60b86755 | 1324 | netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel); |
5c52323e JK |
1325 | |
1326 | /* this OID is valid only when not associated */ | |
1327 | if (is_associated(usbdev)) | |
1328 | return 0; | |
1329 | ||
1330 | dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000; | |
1331 | ||
1332 | len = sizeof(config); | |
1333 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
1334 | if (ret < 0) { | |
60b86755 JP |
1335 | netdev_dbg(usbdev->net, "%s(): querying configuration failed\n", |
1336 | __func__); | |
5c52323e JK |
1337 | return ret; |
1338 | } | |
1339 | ||
1340 | config.ds_config = cpu_to_le32(dsconfig); | |
1341 | ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config, | |
1342 | sizeof(config)); | |
1343 | ||
60b86755 | 1344 | netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret); |
5c52323e JK |
1345 | |
1346 | return ret; | |
1347 | } | |
1348 | ||
bf164cc0 | 1349 | /* index must be 0 - N, as per NDIS */ |
5c52323e JK |
1350 | static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len, |
1351 | int index) | |
bf164cc0 | 1352 | { |
582241a0 | 1353 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1354 | struct ndis_80211_wep_key ndis_key; |
84bf8400 JK |
1355 | u32 cipher; |
1356 | int ret; | |
1357 | ||
60b86755 JP |
1358 | netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n", |
1359 | __func__, index, key_len); | |
bf164cc0 | 1360 | |
40ba60dd | 1361 | if ((key_len != 5 && key_len != 13) || index < 0 || index > 3) |
bf164cc0 JK |
1362 | return -EINVAL; |
1363 | ||
b7cfc5b3 JK |
1364 | if (key_len == 5) |
1365 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
1366 | else | |
1367 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
1368 | ||
bf164cc0 JK |
1369 | memset(&ndis_key, 0, sizeof(ndis_key)); |
1370 | ||
461b3f2a JK |
1371 | ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
1372 | ndis_key.length = cpu_to_le32(key_len); | |
1373 | ndis_key.index = cpu_to_le32(index); | |
1374 | memcpy(&ndis_key.material, key, key_len); | |
bf164cc0 JK |
1375 | |
1376 | if (index == priv->encr_tx_key_index) { | |
aa18294a | 1377 | ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY; |
5c52323e JK |
1378 | ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP, |
1379 | RNDIS_WLAN_ALG_NONE); | |
bf164cc0 | 1380 | if (ret) |
60b86755 JP |
1381 | netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n", |
1382 | ret); | |
bf164cc0 JK |
1383 | } |
1384 | ||
1385 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key, | |
1386 | sizeof(ndis_key)); | |
1387 | if (ret != 0) { | |
60b86755 JP |
1388 | netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n", |
1389 | index + 1, ret); | |
bf164cc0 JK |
1390 | return ret; |
1391 | } | |
1392 | ||
b7cfc5b3 JK |
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 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
bf164cc0 JK |
1397 | |
1398 | return 0; | |
1399 | } | |
1400 | ||
b145ee0c | 1401 | static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len, |
84bf8400 | 1402 | int index, const u8 *addr, const u8 *rx_seq, |
53d27eaf | 1403 | int seq_len, u32 cipher, __le32 flags) |
b145ee0c | 1404 | { |
582241a0 | 1405 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
b145ee0c | 1406 | struct ndis_80211_key ndis_key; |
b7cfc5b3 | 1407 | bool is_addr_ok; |
b145ee0c JK |
1408 | int ret; |
1409 | ||
b7cfc5b3 | 1410 | if (index < 0 || index >= 4) { |
60b86755 JP |
1411 | netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n", |
1412 | __func__, index); | |
b145ee0c | 1413 | return -EINVAL; |
b7cfc5b3 JK |
1414 | } |
1415 | if (key_len > sizeof(ndis_key.material) || key_len < 0) { | |
60b86755 JP |
1416 | netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n", |
1417 | __func__, key_len); | |
b145ee0c | 1418 | return -EINVAL; |
b7cfc5b3 | 1419 | } |
84bf8400 JK |
1420 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) { |
1421 | if (!rx_seq || seq_len <= 0) { | |
60b86755 JP |
1422 | netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n", |
1423 | __func__); | |
84bf8400 JK |
1424 | return -EINVAL; |
1425 | } | |
1426 | if (rx_seq && seq_len > sizeof(ndis_key.rsc)) { | |
60b86755 | 1427 | netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__); |
84bf8400 JK |
1428 | return -EINVAL; |
1429 | } | |
b7cfc5b3 | 1430 | } |
84bf8400 | 1431 | |
7b1fff99 JK |
1432 | is_addr_ok = addr && !is_zero_ether_addr(addr) && |
1433 | !is_broadcast_ether_addr(addr); | |
b7cfc5b3 | 1434 | if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) { |
60b86755 JP |
1435 | netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n", |
1436 | __func__, addr); | |
b145ee0c | 1437 | return -EINVAL; |
b7cfc5b3 | 1438 | } |
b145ee0c | 1439 | |
60b86755 JP |
1440 | netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n", |
1441 | __func__, index, | |
1442 | !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY), | |
1443 | !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY), | |
1444 | !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)); | |
b145ee0c JK |
1445 | |
1446 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
1447 | ||
1448 | ndis_key.size = cpu_to_le32(sizeof(ndis_key) - | |
1449 | sizeof(ndis_key.material) + key_len); | |
1450 | ndis_key.length = cpu_to_le32(key_len); | |
1451 | ndis_key.index = cpu_to_le32(index) | flags; | |
1452 | ||
b7cfc5b3 | 1453 | if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) { |
b145ee0c JK |
1454 | /* wpa_supplicant gives us the Michael MIC RX/TX keys in |
1455 | * different order than NDIS spec, so swap the order here. */ | |
1456 | memcpy(ndis_key.material, key, 16); | |
1457 | memcpy(ndis_key.material + 16, key + 24, 8); | |
1458 | memcpy(ndis_key.material + 24, key + 16, 8); | |
1459 | } else | |
1460 | memcpy(ndis_key.material, key, key_len); | |
1461 | ||
aa18294a | 1462 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) |
84bf8400 | 1463 | memcpy(ndis_key.rsc, rx_seq, seq_len); |
b145ee0c | 1464 | |
aa18294a | 1465 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) { |
b145ee0c | 1466 | /* pairwise key */ |
b7cfc5b3 | 1467 | memcpy(ndis_key.bssid, addr, ETH_ALEN); |
b145ee0c JK |
1468 | } else { |
1469 | /* group key */ | |
aa18294a | 1470 | if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) |
b145ee0c JK |
1471 | memset(ndis_key.bssid, 0xff, ETH_ALEN); |
1472 | else | |
1473 | get_bssid(usbdev, ndis_key.bssid); | |
1474 | } | |
1475 | ||
1476 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key, | |
1477 | le32_to_cpu(ndis_key.size)); | |
60b86755 JP |
1478 | netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n", |
1479 | __func__, ret); | |
b145ee0c JK |
1480 | if (ret != 0) |
1481 | return ret; | |
1482 | ||
b7cfc5b3 JK |
1483 | memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); |
1484 | priv->encr_keys[index].len = key_len; | |
1485 | priv->encr_keys[index].cipher = cipher; | |
1486 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1487 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) | |
1488 | memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN); | |
1489 | else | |
1490 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
9839178e | 1491 | |
aa18294a | 1492 | if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY) |
b145ee0c JK |
1493 | priv->encr_tx_key_index = index; |
1494 | ||
1495 | return 0; | |
1496 | } | |
1497 | ||
b7cfc5b3 JK |
1498 | static int restore_key(struct usbnet *usbdev, int key_idx) |
1499 | { | |
1500 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1501 | struct rndis_wlan_encr_key key; | |
84bf8400 JK |
1502 | |
1503 | if (is_wpa_key(priv, key_idx)) | |
1504 | return 0; | |
b7cfc5b3 JK |
1505 | |
1506 | key = priv->encr_keys[key_idx]; | |
1507 | ||
60b86755 | 1508 | netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len); |
b7cfc5b3 JK |
1509 | |
1510 | if (key.len == 0) | |
1511 | return 0; | |
1512 | ||
b7cfc5b3 JK |
1513 | return add_wep_key(usbdev, key.material, key.len, key_idx); |
1514 | } | |
1515 | ||
b7cfc5b3 JK |
1516 | static void restore_keys(struct usbnet *usbdev) |
1517 | { | |
1518 | int i; | |
1519 | ||
1520 | for (i = 0; i < 4; i++) | |
1521 | restore_key(usbdev, i); | |
1522 | } | |
1523 | ||
b7cfc5b3 JK |
1524 | static void clear_key(struct rndis_wlan_private *priv, int idx) |
1525 | { | |
1526 | memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx])); | |
1527 | } | |
1528 | ||
bf164cc0 | 1529 | /* remove_key is for both wep and wpa */ |
84bf8400 | 1530 | static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid) |
bf164cc0 | 1531 | { |
582241a0 | 1532 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1533 | struct ndis_80211_remove_key remove_key; |
bf164cc0 | 1534 | __le32 keyindex; |
b7cfc5b3 | 1535 | bool is_wpa; |
bf164cc0 JK |
1536 | int ret; |
1537 | ||
b7cfc5b3 | 1538 | if (priv->encr_keys[index].len == 0) |
bf164cc0 JK |
1539 | return 0; |
1540 | ||
b7cfc5b3 | 1541 | is_wpa = is_wpa_key(priv, index); |
bf164cc0 | 1542 | |
60b86755 JP |
1543 | netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n", |
1544 | __func__, index, is_wpa ? "wpa" : "wep", | |
1545 | priv->encr_keys[index].len); | |
b7cfc5b3 JK |
1546 | |
1547 | clear_key(priv, index); | |
1548 | ||
1549 | if (is_wpa) { | |
461b3f2a JK |
1550 | remove_key.size = cpu_to_le32(sizeof(remove_key)); |
1551 | remove_key.index = cpu_to_le32(index); | |
bf164cc0 JK |
1552 | if (bssid) { |
1553 | /* pairwise key */ | |
7b1fff99 | 1554 | if (!is_broadcast_ether_addr(bssid)) |
b4703a2e | 1555 | remove_key.index |= |
aa18294a | 1556 | NDIS_80211_ADDKEY_PAIRWISE_KEY; |
461b3f2a JK |
1557 | memcpy(remove_key.bssid, bssid, |
1558 | sizeof(remove_key.bssid)); | |
bf164cc0 | 1559 | } else |
461b3f2a JK |
1560 | memset(remove_key.bssid, 0xff, |
1561 | sizeof(remove_key.bssid)); | |
bf164cc0 JK |
1562 | |
1563 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key, | |
1564 | sizeof(remove_key)); | |
1565 | if (ret != 0) | |
1566 | return ret; | |
1567 | } else { | |
1568 | keyindex = cpu_to_le32(index); | |
1569 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex, | |
1570 | sizeof(keyindex)); | |
1571 | if (ret != 0) { | |
60b86755 JP |
1572 | netdev_warn(usbdev->net, |
1573 | "removing encryption key %d failed (%08X)\n", | |
1574 | index, ret); | |
bf164cc0 JK |
1575 | return ret; |
1576 | } | |
1577 | } | |
1578 | ||
1579 | /* if it is transmit key, disable encryption */ | |
1580 | if (index == priv->encr_tx_key_index) | |
5c52323e | 1581 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1582 | |
1583 | return 0; | |
1584 | } | |
1585 | ||
bf164cc0 JK |
1586 | static void set_multicast_list(struct usbnet *usbdev) |
1587 | { | |
582241a0 | 1588 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
22bedad3 | 1589 | struct netdev_hw_addr *ha; |
12c3400a JP |
1590 | __le32 filter, basefilter; |
1591 | int ret; | |
1592 | char *mc_addrs = NULL; | |
1593 | int mc_count; | |
bf164cc0 | 1594 | |
12c3400a JP |
1595 | basefilter = filter = RNDIS_PACKET_TYPE_DIRECTED | |
1596 | RNDIS_PACKET_TYPE_BROADCAST; | |
bf164cc0 JK |
1597 | |
1598 | if (usbdev->net->flags & IFF_PROMISC) { | |
1599 | filter |= RNDIS_PACKET_TYPE_PROMISCUOUS | | |
1600 | RNDIS_PACKET_TYPE_ALL_LOCAL; | |
12c3400a JP |
1601 | } else if (usbdev->net->flags & IFF_ALLMULTI) { |
1602 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1603 | } | |
1604 | ||
1605 | if (filter != basefilter) | |
1606 | goto set_filter; | |
1607 | ||
1608 | /* | |
1609 | * mc_list should be accessed holding the lock, so copy addresses to | |
1610 | * local buffer first. | |
1611 | */ | |
1612 | netif_addr_lock_bh(usbdev->net); | |
1613 | mc_count = netdev_mc_count(usbdev->net); | |
1614 | if (mc_count > priv->multicast_size) { | |
bf164cc0 | 1615 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; |
12c3400a JP |
1616 | } else if (mc_count) { |
1617 | int i = 0; | |
1618 | ||
1619 | mc_addrs = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC); | |
1620 | if (!mc_addrs) { | |
60b86755 JP |
1621 | netdev_warn(usbdev->net, |
1622 | "couldn't alloc %d bytes of memory\n", | |
12c3400a | 1623 | mc_count * ETH_ALEN); |
655ffee2 | 1624 | netif_addr_unlock_bh(usbdev->net); |
bf164cc0 JK |
1625 | return; |
1626 | } | |
1627 | ||
22bedad3 | 1628 | netdev_for_each_mc_addr(ha, usbdev->net) |
12c3400a | 1629 | memcpy(mc_addrs + i++ * ETH_ALEN, |
22bedad3 | 1630 | ha->addr, ETH_ALEN); |
12c3400a JP |
1631 | } |
1632 | netif_addr_unlock_bh(usbdev->net); | |
bf164cc0 | 1633 | |
12c3400a JP |
1634 | if (filter != basefilter) |
1635 | goto set_filter; | |
1636 | ||
1637 | if (mc_count) { | |
1638 | ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, mc_addrs, | |
1639 | mc_count * ETH_ALEN); | |
1640 | kfree(mc_addrs); | |
1641 | if (ret == 0) | |
bf164cc0 JK |
1642 | filter |= RNDIS_PACKET_TYPE_MULTICAST; |
1643 | else | |
1644 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1645 | ||
60b86755 | 1646 | netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n", |
12c3400a | 1647 | mc_count, priv->multicast_size, ret); |
bf164cc0 JK |
1648 | } |
1649 | ||
12c3400a | 1650 | set_filter: |
bf164cc0 JK |
1651 | ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, |
1652 | sizeof(filter)); | |
1653 | if (ret < 0) { | |
60b86755 JP |
1654 | netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n", |
1655 | le32_to_cpu(filter)); | |
bf164cc0 JK |
1656 | } |
1657 | ||
60b86755 JP |
1658 | netdev_dbg(usbdev->net, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n", |
1659 | le32_to_cpu(filter), ret); | |
bf164cc0 JK |
1660 | } |
1661 | ||
5a7d0583 JK |
1662 | #ifdef DEBUG |
1663 | static void debug_print_pmkids(struct usbnet *usbdev, | |
1664 | struct ndis_80211_pmkid *pmkids, | |
1665 | const char *func_str) | |
1666 | { | |
1667 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1668 | int i, len, count, max_pmkids, entry_len; | |
1669 | ||
1670 | max_pmkids = priv->wdev.wiphy->max_num_pmkids; | |
1671 | len = le32_to_cpu(pmkids->length); | |
1672 | count = le32_to_cpu(pmkids->bssid_info_count); | |
1673 | ||
1674 | entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1; | |
1675 | ||
1676 | netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: " | |
1677 | "%d)\n", func_str, count, len, entry_len); | |
1678 | ||
1679 | if (count > max_pmkids) | |
1680 | count = max_pmkids; | |
1681 | ||
1682 | for (i = 0; i < count; i++) { | |
1683 | u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid; | |
1684 | ||
1685 | netdev_dbg(usbdev->net, "%s(): bssid: %pM, " | |
1686 | "pmkid: %08X:%08X:%08X:%08X\n", | |
1687 | func_str, pmkids->bssid_info[i].bssid, | |
1688 | cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), | |
1689 | cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3])); | |
1690 | } | |
1691 | } | |
1692 | #else | |
1693 | static void debug_print_pmkids(struct usbnet *usbdev, | |
1694 | struct ndis_80211_pmkid *pmkids, | |
1695 | const char *func_str) | |
1696 | { | |
1697 | return; | |
1698 | } | |
1699 | #endif | |
1700 | ||
1701 | static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev) | |
1702 | { | |
1703 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1704 | struct ndis_80211_pmkid *pmkids; | |
1705 | int len, ret, max_pmkids; | |
1706 | ||
1707 | max_pmkids = priv->wdev.wiphy->max_num_pmkids; | |
1708 | len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]); | |
1709 | ||
1710 | pmkids = kzalloc(len, GFP_KERNEL); | |
1711 | if (!pmkids) | |
1712 | return ERR_PTR(-ENOMEM); | |
1713 | ||
1714 | pmkids->length = cpu_to_le32(len); | |
1715 | pmkids->bssid_info_count = cpu_to_le32(max_pmkids); | |
1716 | ||
1717 | ret = rndis_query_oid(usbdev, OID_802_11_PMKID, pmkids, &len); | |
1718 | if (ret < 0) { | |
1719 | netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d)" | |
1720 | " -> %d\n", __func__, len, max_pmkids, ret); | |
1721 | ||
1722 | kfree(pmkids); | |
1723 | return ERR_PTR(ret); | |
1724 | } | |
1725 | ||
1726 | if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids) | |
1727 | pmkids->bssid_info_count = cpu_to_le32(max_pmkids); | |
1728 | ||
1729 | debug_print_pmkids(usbdev, pmkids, __func__); | |
1730 | ||
1731 | return pmkids; | |
1732 | } | |
1733 | ||
1734 | static int set_device_pmkids(struct usbnet *usbdev, | |
1735 | struct ndis_80211_pmkid *pmkids) | |
1736 | { | |
1737 | int ret, len, num_pmkids; | |
1738 | ||
1739 | num_pmkids = le32_to_cpu(pmkids->bssid_info_count); | |
1740 | len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]); | |
1741 | pmkids->length = cpu_to_le32(len); | |
1742 | ||
1743 | debug_print_pmkids(usbdev, pmkids, __func__); | |
1744 | ||
1745 | ret = rndis_set_oid(usbdev, OID_802_11_PMKID, pmkids, | |
1746 | le32_to_cpu(pmkids->length)); | |
1747 | if (ret < 0) { | |
1748 | netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d) -> %d" | |
1749 | "\n", __func__, len, num_pmkids, ret); | |
1750 | } | |
1751 | ||
1752 | kfree(pmkids); | |
1753 | return ret; | |
1754 | } | |
1755 | ||
1756 | static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev, | |
1757 | struct ndis_80211_pmkid *pmkids, | |
1758 | struct cfg80211_pmksa *pmksa, | |
1759 | int max_pmkids) | |
1760 | { | |
1761 | int i, len, count, newlen, err; | |
1762 | ||
1763 | len = le32_to_cpu(pmkids->length); | |
1764 | count = le32_to_cpu(pmkids->bssid_info_count); | |
1765 | ||
1766 | if (count > max_pmkids) | |
1767 | count = max_pmkids; | |
1768 | ||
1769 | for (i = 0; i < count; i++) | |
1770 | if (!compare_ether_addr(pmkids->bssid_info[i].bssid, | |
1771 | pmksa->bssid)) | |
1772 | break; | |
1773 | ||
1774 | /* pmkid not found */ | |
1775 | if (i == count) { | |
1776 | netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n", | |
1777 | __func__, pmksa->bssid); | |
1778 | err = -ENOENT; | |
1779 | goto error; | |
1780 | } | |
1781 | ||
1782 | for (; i + 1 < count; i++) | |
1783 | pmkids->bssid_info[i] = pmkids->bssid_info[i + 1]; | |
1784 | ||
1785 | count--; | |
1786 | newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]); | |
1787 | ||
1788 | pmkids->length = cpu_to_le32(newlen); | |
1789 | pmkids->bssid_info_count = cpu_to_le32(count); | |
1790 | ||
1791 | return pmkids; | |
1792 | error: | |
1793 | kfree(pmkids); | |
1794 | return ERR_PTR(err); | |
1795 | } | |
1796 | ||
1797 | static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev, | |
1798 | struct ndis_80211_pmkid *pmkids, | |
1799 | struct cfg80211_pmksa *pmksa, | |
1800 | int max_pmkids) | |
1801 | { | |
1802 | int i, err, len, count, newlen; | |
1803 | ||
1804 | len = le32_to_cpu(pmkids->length); | |
1805 | count = le32_to_cpu(pmkids->bssid_info_count); | |
1806 | ||
1807 | if (count > max_pmkids) | |
1808 | count = max_pmkids; | |
1809 | ||
1810 | /* update with new pmkid */ | |
1811 | for (i = 0; i < count; i++) { | |
1812 | if (compare_ether_addr(pmkids->bssid_info[i].bssid, | |
1813 | pmksa->bssid)) | |
1814 | continue; | |
1815 | ||
1816 | memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid, | |
1817 | WLAN_PMKID_LEN); | |
1818 | ||
1819 | return pmkids; | |
1820 | } | |
1821 | ||
1822 | /* out of space, return error */ | |
1823 | if (i == max_pmkids) { | |
1824 | netdev_dbg(usbdev->net, "%s(): out of space\n", __func__); | |
1825 | err = -ENOSPC; | |
1826 | goto error; | |
1827 | } | |
1828 | ||
1829 | /* add new pmkid */ | |
1830 | newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]); | |
1831 | ||
1832 | pmkids = krealloc(pmkids, newlen, GFP_KERNEL); | |
1833 | if (!pmkids) { | |
1834 | err = -ENOMEM; | |
1835 | goto error; | |
1836 | } | |
1837 | ||
1838 | pmkids->length = cpu_to_le32(newlen); | |
1839 | pmkids->bssid_info_count = cpu_to_le32(count + 1); | |
1840 | ||
1841 | memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN); | |
1842 | memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN); | |
1843 | ||
1844 | return pmkids; | |
1845 | error: | |
1846 | kfree(pmkids); | |
1847 | return ERR_PTR(err); | |
1848 | } | |
1849 | ||
964c1d41 JL |
1850 | /* |
1851 | * cfg80211 ops | |
1852 | */ | |
e36d56b6 JB |
1853 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
1854 | struct net_device *dev, | |
964c1d41 JL |
1855 | enum nl80211_iftype type, u32 *flags, |
1856 | struct vif_params *params) | |
1857 | { | |
16139172 JK |
1858 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); |
1859 | struct usbnet *usbdev = priv->usbdev; | |
964c1d41 JL |
1860 | int mode; |
1861 | ||
964c1d41 JL |
1862 | switch (type) { |
1863 | case NL80211_IFTYPE_ADHOC: | |
aa18294a | 1864 | mode = NDIS_80211_INFRA_ADHOC; |
964c1d41 JL |
1865 | break; |
1866 | case NL80211_IFTYPE_STATION: | |
aa18294a | 1867 | mode = NDIS_80211_INFRA_INFRA; |
964c1d41 JL |
1868 | break; |
1869 | default: | |
1870 | return -EINVAL; | |
1871 | } | |
1872 | ||
16139172 JK |
1873 | priv->wdev.iftype = type; |
1874 | ||
964c1d41 JL |
1875 | return set_infra_mode(usbdev, mode); |
1876 | } | |
1877 | ||
d75ec2b7 JK |
1878 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1879 | { | |
1880 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1881 | struct usbnet *usbdev = priv->usbdev; | |
1882 | int err; | |
1883 | ||
1884 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
1885 | err = set_frag_threshold(usbdev, wiphy->frag_threshold); | |
1886 | if (err < 0) | |
1887 | return err; | |
1888 | } | |
1889 | ||
1890 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1891 | err = set_rts_threshold(usbdev, wiphy->rts_threshold); | |
1892 | if (err < 0) | |
1893 | return err; | |
1894 | } | |
1895 | ||
1896 | return 0; | |
1897 | } | |
1898 | ||
fa61cf70 JO |
1899 | static int rndis_set_tx_power(struct wiphy *wiphy, |
1900 | enum nl80211_tx_power_setting type, | |
1901 | int mbm) | |
222ec50a JK |
1902 | { |
1903 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1904 | struct usbnet *usbdev = priv->usbdev; | |
1905 | ||
fa61cf70 JO |
1906 | netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n", |
1907 | __func__, type, mbm); | |
1908 | ||
1909 | if (mbm < 0 || (mbm % 100)) | |
1910 | return -ENOTSUPP; | |
222ec50a JK |
1911 | |
1912 | /* Device doesn't support changing txpower after initialization, only | |
1913 | * turn off/on radio. Support 'auto' mode and setting same dBm that is | |
1914 | * currently used. | |
1915 | */ | |
fa61cf70 JO |
1916 | if (type == NL80211_TX_POWER_AUTOMATIC || |
1917 | MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) { | |
222ec50a | 1918 | if (!priv->radio_on) |
051ae0bf | 1919 | disassociate(usbdev, true); /* turn on radio */ |
222ec50a JK |
1920 | |
1921 | return 0; | |
1922 | } | |
1923 | ||
1924 | return -ENOTSUPP; | |
1925 | } | |
1926 | ||
222ec50a JK |
1927 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm) |
1928 | { | |
1929 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1930 | struct usbnet *usbdev = priv->usbdev; | |
1931 | ||
1932 | *dbm = get_bcm4320_power_dbm(priv); | |
1933 | ||
60b86755 | 1934 | netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm); |
222ec50a JK |
1935 | |
1936 | return 0; | |
1937 | } | |
1938 | ||
b1d25a67 | 1939 | #define SCAN_DELAY_JIFFIES (6 * HZ) |
71a7b26d JK |
1940 | static int rndis_scan(struct wiphy *wiphy, struct net_device *dev, |
1941 | struct cfg80211_scan_request *request) | |
1942 | { | |
1943 | struct usbnet *usbdev = netdev_priv(dev); | |
582241a0 | 1944 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d | 1945 | int ret; |
5cb56af2 | 1946 | int delay = SCAN_DELAY_JIFFIES; |
71a7b26d | 1947 | |
60b86755 | 1948 | netdev_dbg(usbdev->net, "cfg80211.scan\n"); |
71a7b26d | 1949 | |
db0dd396 JK |
1950 | /* Get current bssid list from device before new scan, as new scan |
1951 | * clears internal bssid list. | |
1952 | */ | |
b5257c95 | 1953 | rndis_check_bssid_list(usbdev, NULL, NULL); |
db0dd396 | 1954 | |
71a7b26d JK |
1955 | if (!request) |
1956 | return -EINVAL; | |
1957 | ||
1958 | if (priv->scan_request && priv->scan_request != request) | |
1959 | return -EBUSY; | |
1960 | ||
1961 | priv->scan_request = request; | |
1962 | ||
5cb56af2 | 1963 | ret = rndis_start_bssid_list_scan(usbdev); |
71a7b26d | 1964 | if (ret == 0) { |
5cb56af2 JK |
1965 | if (priv->device_type == RNDIS_BCM4320A) |
1966 | delay = HZ; | |
1967 | ||
71a7b26d | 1968 | /* Wait before retrieving scan results from device */ |
5cb56af2 | 1969 | queue_delayed_work(priv->workqueue, &priv->scan_work, delay); |
71a7b26d JK |
1970 | } |
1971 | ||
1972 | return ret; | |
1973 | } | |
1974 | ||
71a7b26d JK |
1975 | static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev, |
1976 | struct ndis_80211_bssid_ex *bssid) | |
1977 | { | |
582241a0 | 1978 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d JK |
1979 | struct ieee80211_channel *channel; |
1980 | s32 signal; | |
1981 | u64 timestamp; | |
1982 | u16 capability; | |
1983 | u16 beacon_interval; | |
1984 | struct ndis_80211_fixed_ies *fixed; | |
1985 | int ie_len, bssid_len; | |
1986 | u8 *ie; | |
1987 | ||
bfe3850b JK |
1988 | netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n", |
1989 | bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length)); | |
5fd8f250 | 1990 | |
71a7b26d JK |
1991 | /* parse bssid structure */ |
1992 | bssid_len = le32_to_cpu(bssid->length); | |
1993 | ||
1994 | if (bssid_len < sizeof(struct ndis_80211_bssid_ex) + | |
1995 | sizeof(struct ndis_80211_fixed_ies)) | |
1996 | return NULL; | |
1997 | ||
1998 | fixed = (struct ndis_80211_fixed_ies *)bssid->ies; | |
1999 | ||
2000 | ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); | |
2001 | ie_len = min(bssid_len - (int)sizeof(*bssid), | |
2002 | (int)le32_to_cpu(bssid->ie_length)); | |
2003 | ie_len -= sizeof(struct ndis_80211_fixed_ies); | |
2004 | if (ie_len < 0) | |
2005 | return NULL; | |
2006 | ||
2007 | /* extract data for cfg80211_inform_bss */ | |
2008 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
2009 | KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config))); | |
2010 | if (!channel) | |
2011 | return NULL; | |
2012 | ||
2013 | signal = level_to_qual(le32_to_cpu(bssid->rssi)); | |
2014 | timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp); | |
2015 | capability = le16_to_cpu(fixed->capabilities); | |
2016 | beacon_interval = le16_to_cpu(fixed->beacon_interval); | |
2017 | ||
2018 | return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac, | |
2019 | timestamp, capability, beacon_interval, ie, ie_len, signal, | |
2020 | GFP_KERNEL); | |
2021 | } | |
2022 | ||
bfe3850b JK |
2023 | static struct ndis_80211_bssid_ex *next_bssid_list_item( |
2024 | struct ndis_80211_bssid_ex *bssid, | |
2025 | int *bssid_len, void *buf, int len) | |
2026 | { | |
2027 | void *buf_end, *bssid_end; | |
2028 | ||
2029 | buf_end = (char *)buf + len; | |
2030 | bssid_end = (char *)bssid + *bssid_len; | |
2031 | ||
2032 | if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) { | |
2033 | *bssid_len = 0; | |
2034 | return NULL; | |
2035 | } else { | |
2036 | bssid = (void *)((char *)bssid + *bssid_len); | |
2037 | *bssid_len = le32_to_cpu(bssid->length); | |
2038 | return bssid; | |
2039 | } | |
2040 | } | |
2041 | ||
2042 | static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid, | |
2043 | int bssid_len, void *buf, int len) | |
2044 | { | |
2045 | void *buf_end, *bssid_end; | |
2046 | ||
2047 | if (!bssid || bssid_len <= 0 || bssid_len > len) | |
2048 | return false; | |
2049 | ||
2050 | buf_end = (char *)buf + len; | |
2051 | bssid_end = (char *)bssid + bssid_len; | |
2052 | ||
2053 | return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0; | |
2054 | } | |
2055 | ||
b5257c95 JK |
2056 | static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid, |
2057 | bool *matched) | |
71a7b26d JK |
2058 | { |
2059 | void *buf = NULL; | |
2060 | struct ndis_80211_bssid_list_ex *bssid_list; | |
2061 | struct ndis_80211_bssid_ex *bssid; | |
bfe3850b | 2062 | int ret = -EINVAL, len, count, bssid_len, real_count, new_len; |
71a7b26d | 2063 | |
bfe3850b | 2064 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
71a7b26d JK |
2065 | |
2066 | len = CONTROL_BUFFER_SIZE; | |
5fd8f250 | 2067 | resize_buf: |
bfe3850b | 2068 | buf = kzalloc(len, GFP_KERNEL); |
71a7b26d JK |
2069 | if (!buf) { |
2070 | ret = -ENOMEM; | |
2071 | goto out; | |
2072 | } | |
2073 | ||
bfe3850b JK |
2074 | /* BSSID-list might have got bigger last time we checked, keep |
2075 | * resizing until it won't get any bigger. | |
2076 | */ | |
2077 | new_len = len; | |
2078 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &new_len); | |
2079 | if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex)) | |
71a7b26d JK |
2080 | goto out; |
2081 | ||
bfe3850b JK |
2082 | if (new_len > len) { |
2083 | len = new_len; | |
5fd8f250 JK |
2084 | kfree(buf); |
2085 | goto resize_buf; | |
2086 | } | |
2087 | ||
bfe3850b JK |
2088 | len = new_len; |
2089 | ||
71a7b26d | 2090 | bssid_list = buf; |
71a7b26d | 2091 | count = le32_to_cpu(bssid_list->num_items); |
bfe3850b JK |
2092 | real_count = 0; |
2093 | netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len); | |
2094 | ||
2095 | bssid_len = 0; | |
2096 | bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len); | |
71a7b26d | 2097 | |
bfe3850b JK |
2098 | /* Device returns incorrect 'num_items'. Workaround by ignoring the |
2099 | * received 'num_items' and walking through full bssid buffer instead. | |
2100 | */ | |
2101 | while (check_bssid_list_item(bssid, bssid_len, buf, len)) { | |
b5257c95 JK |
2102 | if (rndis_bss_info_update(usbdev, bssid) && match_bssid && |
2103 | matched) { | |
2104 | if (compare_ether_addr(bssid->mac, match_bssid)) | |
2105 | *matched = true; | |
2106 | } | |
71a7b26d | 2107 | |
bfe3850b JK |
2108 | real_count++; |
2109 | bssid = next_bssid_list_item(bssid, &bssid_len, buf, len); | |
71a7b26d JK |
2110 | } |
2111 | ||
bfe3850b JK |
2112 | netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:" |
2113 | " %d\n", __func__, count, real_count); | |
2114 | ||
71a7b26d JK |
2115 | out: |
2116 | kfree(buf); | |
2117 | return ret; | |
2118 | } | |
2119 | ||
71a7b26d JK |
2120 | static void rndis_get_scan_results(struct work_struct *work) |
2121 | { | |
582241a0 JK |
2122 | struct rndis_wlan_private *priv = |
2123 | container_of(work, struct rndis_wlan_private, scan_work.work); | |
71a7b26d JK |
2124 | struct usbnet *usbdev = priv->usbdev; |
2125 | int ret; | |
2126 | ||
60b86755 | 2127 | netdev_dbg(usbdev->net, "get_scan_results\n"); |
71a7b26d | 2128 | |
005ba2f1 JK |
2129 | if (!priv->scan_request) |
2130 | return; | |
2131 | ||
b5257c95 | 2132 | ret = rndis_check_bssid_list(usbdev, NULL, NULL); |
71a7b26d JK |
2133 | |
2134 | cfg80211_scan_done(priv->scan_request, ret < 0); | |
2135 | ||
2136 | priv->scan_request = NULL; | |
2137 | } | |
2138 | ||
5c52323e JK |
2139 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
2140 | struct cfg80211_connect_params *sme) | |
2141 | { | |
2142 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2143 | struct usbnet *usbdev = priv->usbdev; | |
2144 | struct ieee80211_channel *channel = sme->channel; | |
2145 | struct ndis_80211_ssid ssid; | |
2146 | int pairwise = RNDIS_WLAN_ALG_NONE; | |
2147 | int groupwise = RNDIS_WLAN_ALG_NONE; | |
2148 | int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE; | |
2149 | int length, i, ret, chan = -1; | |
2150 | ||
2151 | if (channel) | |
2152 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
2153 | ||
2154 | groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group); | |
2155 | for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) | |
2156 | pairwise |= | |
2157 | rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]); | |
2158 | ||
2159 | if (sme->crypto.n_ciphers_pairwise > 0 && | |
2160 | pairwise == RNDIS_WLAN_ALG_NONE) { | |
60b86755 | 2161 | netdev_err(usbdev->net, "Unsupported pairwise cipher\n"); |
5c52323e JK |
2162 | return -ENOTSUPP; |
2163 | } | |
2164 | ||
2165 | for (i = 0; i < sme->crypto.n_akm_suites; i++) | |
2166 | keymgmt |= | |
2167 | rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]); | |
2168 | ||
2169 | if (sme->crypto.n_akm_suites > 0 && | |
2170 | keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) { | |
60b86755 | 2171 | netdev_err(usbdev->net, "Invalid keymgmt\n"); |
5c52323e JK |
2172 | return -ENOTSUPP; |
2173 | } | |
2174 | ||
60b86755 JP |
2175 | netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n", |
2176 | sme->ssid, sme->bssid, chan, | |
2177 | sme->privacy, sme->crypto.wpa_versions, sme->auth_type, | |
2178 | groupwise, pairwise, keymgmt); | |
5c52323e JK |
2179 | |
2180 | if (is_associated(usbdev)) | |
2181 | disassociate(usbdev, false); | |
2182 | ||
2183 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
2184 | if (ret < 0) { | |
60b86755 JP |
2185 | netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n", |
2186 | ret); | |
5c52323e JK |
2187 | goto err_turn_radio_on; |
2188 | } | |
2189 | ||
2190 | ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type, | |
2191 | keymgmt); | |
2192 | if (ret < 0) { | |
60b86755 JP |
2193 | netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n", |
2194 | ret); | |
5c52323e JK |
2195 | goto err_turn_radio_on; |
2196 | } | |
2197 | ||
2198 | set_priv_filter(usbdev); | |
2199 | ||
2200 | ret = set_encr_mode(usbdev, pairwise, groupwise); | |
2201 | if (ret < 0) { | |
60b86755 JP |
2202 | netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n", |
2203 | ret); | |
5c52323e JK |
2204 | goto err_turn_radio_on; |
2205 | } | |
2206 | ||
2207 | if (channel) { | |
2208 | ret = set_channel(usbdev, chan); | |
2209 | if (ret < 0) { | |
60b86755 JP |
2210 | netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n", |
2211 | ret); | |
5c52323e JK |
2212 | goto err_turn_radio_on; |
2213 | } | |
2214 | } | |
2215 | ||
2216 | if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) { | |
2217 | priv->encr_tx_key_index = sme->key_idx; | |
2218 | ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx); | |
2219 | if (ret < 0) { | |
60b86755 JP |
2220 | netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n", |
2221 | ret, sme->key_len, sme->key_idx); | |
5c52323e JK |
2222 | goto err_turn_radio_on; |
2223 | } | |
2224 | } | |
2225 | ||
2226 | if (sme->bssid && !is_zero_ether_addr(sme->bssid) && | |
2227 | !is_broadcast_ether_addr(sme->bssid)) { | |
2228 | ret = set_bssid(usbdev, sme->bssid); | |
2229 | if (ret < 0) { | |
60b86755 JP |
2230 | netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n", |
2231 | ret); | |
5c52323e JK |
2232 | goto err_turn_radio_on; |
2233 | } | |
2234 | } else | |
2235 | clear_bssid(usbdev); | |
2236 | ||
2237 | length = sme->ssid_len; | |
2238 | if (length > NDIS_802_11_LENGTH_SSID) | |
2239 | length = NDIS_802_11_LENGTH_SSID; | |
2240 | ||
2241 | memset(&ssid, 0, sizeof(ssid)); | |
2242 | ssid.length = cpu_to_le32(length); | |
2243 | memcpy(ssid.essid, sme->ssid, length); | |
2244 | ||
2245 | /* Pause and purge rx queue, so we don't pass packets before | |
2246 | * 'media connect'-indication. | |
2247 | */ | |
2248 | usbnet_pause_rx(usbdev); | |
2249 | usbnet_purge_paused_rxq(usbdev); | |
2250 | ||
2251 | ret = set_essid(usbdev, &ssid); | |
2252 | if (ret < 0) | |
60b86755 | 2253 | netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret); |
5c52323e JK |
2254 | return ret; |
2255 | ||
2256 | err_turn_radio_on: | |
051ae0bf | 2257 | disassociate(usbdev, true); |
5c52323e JK |
2258 | |
2259 | return ret; | |
2260 | } | |
2261 | ||
2262 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
2263 | u16 reason_code) | |
2264 | { | |
2265 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2266 | struct usbnet *usbdev = priv->usbdev; | |
2267 | ||
60b86755 | 2268 | netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code); |
5c52323e JK |
2269 | |
2270 | priv->connected = false; | |
8b89a288 | 2271 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
2272 | |
2273 | return deauthenticate(usbdev); | |
2274 | } | |
2275 | ||
2276 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
2277 | struct cfg80211_ibss_params *params) | |
2278 | { | |
2279 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2280 | struct usbnet *usbdev = priv->usbdev; | |
2281 | struct ieee80211_channel *channel = params->channel; | |
2282 | struct ndis_80211_ssid ssid; | |
2283 | enum nl80211_auth_type auth_type; | |
2284 | int ret, alg, length, chan = -1; | |
2285 | ||
2286 | if (channel) | |
2287 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
2288 | ||
2289 | /* TODO: How to handle ad-hoc encryption? | |
2290 | * connect() has *key, join_ibss() doesn't. RNDIS requires key to be | |
2291 | * pre-shared for encryption (open/shared/wpa), is key set before | |
2292 | * join_ibss? Which auth_type to use (not in params)? What about WPA? | |
2293 | */ | |
2294 | if (params->privacy) { | |
2295 | auth_type = NL80211_AUTHTYPE_SHARED_KEY; | |
2296 | alg = RNDIS_WLAN_ALG_WEP; | |
2297 | } else { | |
2298 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
2299 | alg = RNDIS_WLAN_ALG_NONE; | |
2300 | } | |
2301 | ||
60b86755 JP |
2302 | netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n", |
2303 | params->ssid, params->bssid, chan, params->privacy); | |
5c52323e JK |
2304 | |
2305 | if (is_associated(usbdev)) | |
2306 | disassociate(usbdev, false); | |
2307 | ||
2308 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC); | |
2309 | if (ret < 0) { | |
60b86755 JP |
2310 | netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n", |
2311 | ret); | |
5c52323e JK |
2312 | goto err_turn_radio_on; |
2313 | } | |
2314 | ||
2315 | ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE); | |
2316 | if (ret < 0) { | |
60b86755 JP |
2317 | netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n", |
2318 | ret); | |
5c52323e JK |
2319 | goto err_turn_radio_on; |
2320 | } | |
2321 | ||
2322 | set_priv_filter(usbdev); | |
2323 | ||
2324 | ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE); | |
2325 | if (ret < 0) { | |
60b86755 JP |
2326 | netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n", |
2327 | ret); | |
5c52323e JK |
2328 | goto err_turn_radio_on; |
2329 | } | |
2330 | ||
2331 | if (channel) { | |
2332 | ret = set_channel(usbdev, chan); | |
2333 | if (ret < 0) { | |
60b86755 JP |
2334 | netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n", |
2335 | ret); | |
5c52323e JK |
2336 | goto err_turn_radio_on; |
2337 | } | |
2338 | } | |
2339 | ||
2340 | if (params->bssid && !is_zero_ether_addr(params->bssid) && | |
2341 | !is_broadcast_ether_addr(params->bssid)) { | |
2342 | ret = set_bssid(usbdev, params->bssid); | |
2343 | if (ret < 0) { | |
60b86755 JP |
2344 | netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n", |
2345 | ret); | |
5c52323e JK |
2346 | goto err_turn_radio_on; |
2347 | } | |
2348 | } else | |
2349 | clear_bssid(usbdev); | |
2350 | ||
2351 | length = params->ssid_len; | |
2352 | if (length > NDIS_802_11_LENGTH_SSID) | |
2353 | length = NDIS_802_11_LENGTH_SSID; | |
2354 | ||
2355 | memset(&ssid, 0, sizeof(ssid)); | |
2356 | ssid.length = cpu_to_le32(length); | |
2357 | memcpy(ssid.essid, params->ssid, length); | |
2358 | ||
2359 | /* Don't need to pause rx queue for ad-hoc. */ | |
2360 | usbnet_purge_paused_rxq(usbdev); | |
2361 | usbnet_resume_rx(usbdev); | |
2362 | ||
2363 | ret = set_essid(usbdev, &ssid); | |
2364 | if (ret < 0) | |
60b86755 JP |
2365 | netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n", |
2366 | ret); | |
5c52323e JK |
2367 | return ret; |
2368 | ||
2369 | err_turn_radio_on: | |
051ae0bf | 2370 | disassociate(usbdev, true); |
5c52323e JK |
2371 | |
2372 | return ret; | |
2373 | } | |
2374 | ||
2375 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2376 | { | |
2377 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2378 | struct usbnet *usbdev = priv->usbdev; | |
2379 | ||
60b86755 | 2380 | netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n"); |
5c52323e JK |
2381 | |
2382 | priv->connected = false; | |
8b89a288 | 2383 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
2384 | |
2385 | return deauthenticate(usbdev); | |
2386 | } | |
2387 | ||
f444de05 | 2388 | static int rndis_set_channel(struct wiphy *wiphy, struct net_device *netdev, |
5554adbe JK |
2389 | struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) |
2390 | { | |
2391 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2392 | struct usbnet *usbdev = priv->usbdev; | |
2393 | ||
2394 | return set_channel(usbdev, | |
2395 | ieee80211_frequency_to_channel(chan->center_freq)); | |
2396 | } | |
71a7b26d | 2397 | |
84bf8400 | 2398 | static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
e31b8213 JB |
2399 | u8 key_index, bool pairwise, const u8 *mac_addr, |
2400 | struct key_params *params) | |
84bf8400 JK |
2401 | { |
2402 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2403 | struct usbnet *usbdev = priv->usbdev; | |
53d27eaf | 2404 | __le32 flags; |
84bf8400 | 2405 | |
60b86755 JP |
2406 | netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n", |
2407 | __func__, key_index, mac_addr, params->cipher); | |
84bf8400 JK |
2408 | |
2409 | switch (params->cipher) { | |
2410 | case WLAN_CIPHER_SUITE_WEP40: | |
2411 | case WLAN_CIPHER_SUITE_WEP104: | |
2412 | return add_wep_key(usbdev, params->key, params->key_len, | |
2413 | key_index); | |
2414 | case WLAN_CIPHER_SUITE_TKIP: | |
2415 | case WLAN_CIPHER_SUITE_CCMP: | |
2416 | flags = 0; | |
2417 | ||
2418 | if (params->seq && params->seq_len > 0) | |
2419 | flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ; | |
2420 | if (mac_addr) | |
2421 | flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY | | |
2422 | NDIS_80211_ADDKEY_TRANSMIT_KEY; | |
2423 | ||
2424 | return add_wpa_key(usbdev, params->key, params->key_len, | |
2425 | key_index, mac_addr, params->seq, | |
2426 | params->seq_len, params->cipher, flags); | |
2427 | default: | |
60b86755 JP |
2428 | netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n", |
2429 | __func__, params->cipher); | |
84bf8400 JK |
2430 | return -ENOTSUPP; |
2431 | } | |
2432 | } | |
2433 | ||
2434 | static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
e31b8213 | 2435 | u8 key_index, bool pairwise, const u8 *mac_addr) |
84bf8400 JK |
2436 | { |
2437 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2438 | struct usbnet *usbdev = priv->usbdev; | |
2439 | ||
60b86755 | 2440 | netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr); |
84bf8400 JK |
2441 | |
2442 | return remove_key(usbdev, key_index, mac_addr); | |
2443 | } | |
2444 | ||
2445 | static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
dbd2fd65 | 2446 | u8 key_index, bool unicast, bool multicast) |
84bf8400 JK |
2447 | { |
2448 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2449 | struct usbnet *usbdev = priv->usbdev; | |
2450 | struct rndis_wlan_encr_key key; | |
2451 | ||
60b86755 | 2452 | netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index); |
84bf8400 JK |
2453 | |
2454 | priv->encr_tx_key_index = key_index; | |
2455 | ||
0b578021 JK |
2456 | if (is_wpa_key(priv, key_index)) |
2457 | return 0; | |
2458 | ||
84bf8400 JK |
2459 | key = priv->encr_keys[key_index]; |
2460 | ||
2461 | return add_wep_key(usbdev, key.material, key.len, key_index); | |
2462 | } | |
2463 | ||
8b89a288 JK |
2464 | static void rndis_fill_station_info(struct usbnet *usbdev, |
2465 | struct station_info *sinfo) | |
2466 | { | |
2467 | __le32 linkspeed, rssi; | |
2468 | int ret, len; | |
2469 | ||
2470 | memset(sinfo, 0, sizeof(*sinfo)); | |
2471 | ||
2472 | len = sizeof(linkspeed); | |
2473 | ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len); | |
2474 | if (ret == 0) { | |
2475 | sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000; | |
2476 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
2477 | } | |
2478 | ||
2479 | len = sizeof(rssi); | |
2480 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
2481 | if (ret == 0) { | |
2482 | sinfo->signal = level_to_qual(le32_to_cpu(rssi)); | |
2483 | sinfo->filled |= STATION_INFO_SIGNAL; | |
2484 | } | |
2485 | } | |
2486 | ||
2487 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, | |
2488 | u8 *mac, struct station_info *sinfo) | |
2489 | { | |
2490 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2491 | struct usbnet *usbdev = priv->usbdev; | |
2492 | ||
2493 | if (compare_ether_addr(priv->bssid, mac)) | |
2494 | return -ENOENT; | |
2495 | ||
2496 | rndis_fill_station_info(usbdev, sinfo); | |
2497 | ||
2498 | return 0; | |
2499 | } | |
2500 | ||
d695df90 JK |
2501 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
2502 | int idx, u8 *mac, struct station_info *sinfo) | |
2503 | { | |
2504 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2505 | struct usbnet *usbdev = priv->usbdev; | |
2506 | ||
2507 | if (idx != 0) | |
2508 | return -ENOENT; | |
2509 | ||
2510 | memcpy(mac, priv->bssid, ETH_ALEN); | |
2511 | ||
2512 | rndis_fill_station_info(usbdev, sinfo); | |
2513 | ||
2514 | return 0; | |
2515 | } | |
2516 | ||
5a7d0583 JK |
2517 | static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, |
2518 | struct cfg80211_pmksa *pmksa) | |
2519 | { | |
2520 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2521 | struct usbnet *usbdev = priv->usbdev; | |
2522 | struct ndis_80211_pmkid *pmkids; | |
2523 | u32 *tmp = (u32 *)pmksa->pmkid; | |
2524 | ||
2525 | netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__, | |
2526 | pmksa->bssid, | |
2527 | cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), | |
2528 | cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3])); | |
2529 | ||
2530 | pmkids = get_device_pmkids(usbdev); | |
2531 | if (IS_ERR(pmkids)) { | |
2532 | /* couldn't read PMKID cache from device */ | |
2533 | return PTR_ERR(pmkids); | |
2534 | } | |
2535 | ||
2536 | pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids); | |
2537 | if (IS_ERR(pmkids)) { | |
2538 | /* not found, list full, etc */ | |
2539 | return PTR_ERR(pmkids); | |
2540 | } | |
2541 | ||
2542 | return set_device_pmkids(usbdev, pmkids); | |
2543 | } | |
2544 | ||
2545 | static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
2546 | struct cfg80211_pmksa *pmksa) | |
2547 | { | |
2548 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2549 | struct usbnet *usbdev = priv->usbdev; | |
2550 | struct ndis_80211_pmkid *pmkids; | |
2551 | u32 *tmp = (u32 *)pmksa->pmkid; | |
2552 | ||
2553 | netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__, | |
2554 | pmksa->bssid, | |
2555 | cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), | |
2556 | cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3])); | |
2557 | ||
2558 | pmkids = get_device_pmkids(usbdev); | |
2559 | if (IS_ERR(pmkids)) { | |
2560 | /* Couldn't read PMKID cache from device */ | |
2561 | return PTR_ERR(pmkids); | |
2562 | } | |
2563 | ||
2564 | pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids); | |
2565 | if (IS_ERR(pmkids)) { | |
2566 | /* not found, etc */ | |
2567 | return PTR_ERR(pmkids); | |
2568 | } | |
2569 | ||
2570 | return set_device_pmkids(usbdev, pmkids); | |
2571 | } | |
2572 | ||
2573 | static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) | |
2574 | { | |
2575 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2576 | struct usbnet *usbdev = priv->usbdev; | |
2577 | struct ndis_80211_pmkid pmkid; | |
2578 | ||
2579 | netdev_dbg(usbdev->net, "%s()\n", __func__); | |
2580 | ||
2581 | memset(&pmkid, 0, sizeof(pmkid)); | |
2582 | ||
2583 | pmkid.length = cpu_to_le32(sizeof(pmkid)); | |
2584 | pmkid.bssid_info_count = cpu_to_le32(0); | |
2585 | ||
2586 | return rndis_set_oid(usbdev, OID_802_11_PMKID, &pmkid, sizeof(pmkid)); | |
2587 | } | |
2588 | ||
40d70dd1 JK |
2589 | static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2590 | bool enabled, int timeout) | |
2591 | { | |
2592 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2593 | struct usbnet *usbdev = priv->usbdev; | |
2594 | int power_mode; | |
2595 | __le32 mode; | |
2596 | int ret; | |
2597 | ||
63453c05 JK |
2598 | if (priv->device_type != RNDIS_BCM4320B) |
2599 | return -ENOTSUPP; | |
2600 | ||
40d70dd1 JK |
2601 | netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__, |
2602 | enabled ? "enabled" : "disabled", | |
2603 | timeout); | |
2604 | ||
2605 | if (enabled) | |
2606 | power_mode = NDIS_80211_POWER_MODE_FAST_PSP; | |
2607 | else | |
2608 | power_mode = NDIS_80211_POWER_MODE_CAM; | |
2609 | ||
2610 | if (power_mode == priv->power_mode) | |
2611 | return 0; | |
2612 | ||
2613 | priv->power_mode = power_mode; | |
2614 | ||
2615 | mode = cpu_to_le32(power_mode); | |
2616 | ret = rndis_set_oid(usbdev, OID_802_11_POWER_MODE, &mode, sizeof(mode)); | |
2617 | ||
2618 | netdev_dbg(usbdev->net, "%s(): OID_802_11_POWER_MODE -> %d\n", | |
2619 | __func__, ret); | |
2620 | ||
2621 | return ret; | |
2622 | } | |
2623 | ||
49b35bd3 JK |
2624 | static int rndis_set_cqm_rssi_config(struct wiphy *wiphy, |
2625 | struct net_device *dev, | |
2626 | s32 rssi_thold, u32 rssi_hyst) | |
2627 | { | |
2628 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2629 | ||
2630 | priv->cqm_rssi_thold = rssi_thold; | |
2631 | priv->cqm_rssi_hyst = rssi_hyst; | |
2632 | priv->last_cqm_event_rssi = 0; | |
2633 | ||
2634 | return 0; | |
2635 | } | |
2636 | ||
b5257c95 JK |
2637 | static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid, |
2638 | struct ndis_80211_assoc_info *info) | |
2639 | { | |
2640 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
2641 | struct ieee80211_channel *channel; | |
2642 | struct ndis_80211_conf config; | |
2643 | struct ndis_80211_ssid ssid; | |
2644 | s32 signal; | |
2645 | u64 timestamp; | |
2646 | u16 capability; | |
2647 | u16 beacon_interval; | |
2648 | __le32 rssi; | |
2649 | u8 ie_buf[34]; | |
2650 | int len, ret, ie_len; | |
2651 | ||
2652 | /* Get signal quality, in case of error use rssi=0 and ignore error. */ | |
2653 | len = sizeof(rssi); | |
2654 | rssi = 0; | |
458fafdd | 2655 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); |
b5257c95 JK |
2656 | signal = level_to_qual(le32_to_cpu(rssi)); |
2657 | ||
2658 | netdev_dbg(usbdev->net, "%s(): OID_802_11_RSSI -> %d, " | |
2659 | "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi), | |
2660 | level_to_qual(le32_to_cpu(rssi))); | |
2661 | ||
2662 | /* Get AP capabilities */ | |
2663 | if (info) { | |
2664 | capability = le16_to_cpu(info->resp_ie.capa); | |
2665 | } else { | |
2666 | /* Set atleast ESS/IBSS capability */ | |
2667 | capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ? | |
2668 | WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS; | |
2669 | } | |
2670 | ||
2671 | /* Get channel and beacon interval */ | |
2672 | len = sizeof(config); | |
2673 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
2674 | netdev_dbg(usbdev->net, "%s(): OID_802_11_CONFIGURATION -> %d\n", | |
2675 | __func__, ret); | |
2676 | if (ret >= 0) { | |
2677 | beacon_interval = le16_to_cpu(config.beacon_period); | |
2678 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
2679 | KHZ_TO_MHZ(le32_to_cpu(config.ds_config))); | |
2680 | if (!channel) { | |
2681 | netdev_warn(usbdev->net, "%s(): could not get channel." | |
2682 | "\n", __func__); | |
2683 | return; | |
2684 | } | |
2685 | } else { | |
2686 | netdev_warn(usbdev->net, "%s(): could not get configuration.\n", | |
2687 | __func__); | |
2688 | return; | |
2689 | } | |
2690 | ||
2691 | /* Get SSID, in case of error, use zero length SSID and ignore error. */ | |
2692 | len = sizeof(ssid); | |
2693 | memset(&ssid, 0, sizeof(ssid)); | |
2694 | ret = rndis_query_oid(usbdev, OID_802_11_SSID, &ssid, &len); | |
2695 | netdev_dbg(usbdev->net, "%s(): OID_802_11_SSID -> %d, len: %d, ssid: " | |
2696 | "'%.32s'\n", __func__, ret, | |
2697 | le32_to_cpu(ssid.length), ssid.essid); | |
2698 | ||
2699 | if (le32_to_cpu(ssid.length) > 32) | |
2700 | ssid.length = cpu_to_le32(32); | |
2701 | ||
2702 | ie_buf[0] = WLAN_EID_SSID; | |
2703 | ie_buf[1] = le32_to_cpu(ssid.length); | |
2704 | memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length)); | |
2705 | ||
2706 | ie_len = le32_to_cpu(ssid.length) + 2; | |
2707 | ||
2708 | /* no tsf */ | |
2709 | timestamp = 0; | |
2710 | ||
2711 | netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, " | |
2712 | "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), " | |
2713 | "signal:%d\n", __func__, (channel ? channel->center_freq : -1), | |
2714 | bssid, (u32)timestamp, capability, beacon_interval, ie_len, | |
2715 | ssid.essid, signal); | |
2716 | ||
2717 | cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid, | |
2718 | timestamp, capability, beacon_interval, ie_buf, ie_len, | |
2719 | signal, GFP_KERNEL); | |
2720 | } | |
2721 | ||
c5c4fe90 JK |
2722 | /* |
2723 | * workers, indication handlers, device poller | |
2724 | */ | |
0848e6c6 | 2725 | static void rndis_wlan_do_link_up_work(struct usbnet *usbdev) |
bf164cc0 | 2726 | { |
5c52323e | 2727 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
3d1ca47e | 2728 | struct ndis_80211_assoc_info *info = NULL; |
0848e6c6 | 2729 | u8 bssid[ETH_ALEN]; |
5c52323e JK |
2730 | int resp_ie_len, req_ie_len; |
2731 | u8 *req_ie, *resp_ie; | |
4364623c | 2732 | int ret, offset; |
5c52323e | 2733 | bool roamed = false; |
b5257c95 | 2734 | bool match_bss; |
bf164cc0 | 2735 | |
5c52323e JK |
2736 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) { |
2737 | /* received media connect indication while connected, either | |
2738 | * device reassociated with same AP or roamed to new. */ | |
2739 | roamed = true; | |
2740 | } | |
0848e6c6 | 2741 | |
5c52323e JK |
2742 | req_ie_len = 0; |
2743 | resp_ie_len = 0; | |
2744 | req_ie = NULL; | |
2745 | resp_ie = NULL; | |
2746 | ||
2747 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
3d1ca47e JK |
2748 | info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL); |
2749 | if (!info) { | |
2750 | /* No memory? Try resume work later */ | |
2751 | set_bit(WORK_LINK_UP, &priv->work_pending); | |
2752 | queue_work(priv->workqueue, &priv->work); | |
2753 | return; | |
2754 | } | |
5c52323e | 2755 | |
3d1ca47e JK |
2756 | /* Get association info IEs from device. */ |
2757 | ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE); | |
5c52323e JK |
2758 | if (!ret) { |
2759 | req_ie_len = le32_to_cpu(info->req_ie_length); | |
2760 | if (req_ie_len > 0) { | |
2761 | offset = le32_to_cpu(info->offset_req_ies); | |
3d1ca47e JK |
2762 | |
2763 | if (offset > CONTROL_BUFFER_SIZE) | |
2764 | offset = CONTROL_BUFFER_SIZE; | |
2765 | ||
5c52323e | 2766 | req_ie = (u8 *)info + offset; |
3d1ca47e JK |
2767 | |
2768 | if (offset + req_ie_len > CONTROL_BUFFER_SIZE) | |
2769 | req_ie_len = | |
2770 | CONTROL_BUFFER_SIZE - offset; | |
5c52323e JK |
2771 | } |
2772 | ||
2773 | resp_ie_len = le32_to_cpu(info->resp_ie_length); | |
2774 | if (resp_ie_len > 0) { | |
2775 | offset = le32_to_cpu(info->offset_resp_ies); | |
3d1ca47e JK |
2776 | |
2777 | if (offset > CONTROL_BUFFER_SIZE) | |
2778 | offset = CONTROL_BUFFER_SIZE; | |
2779 | ||
5c52323e | 2780 | resp_ie = (u8 *)info + offset; |
3d1ca47e JK |
2781 | |
2782 | if (offset + resp_ie_len > CONTROL_BUFFER_SIZE) | |
2783 | resp_ie_len = | |
2784 | CONTROL_BUFFER_SIZE - offset; | |
5c52323e | 2785 | } |
b5257c95 JK |
2786 | } else { |
2787 | /* Since rndis_wlan_craft_connected_bss() might use info | |
2788 | * later and expects info to contain valid data if | |
2789 | * non-null, free info and set NULL here. | |
2790 | */ | |
2791 | kfree(info); | |
2792 | info = NULL; | |
4364623c | 2793 | } |
5c52323e JK |
2794 | } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC)) |
2795 | return; | |
4364623c | 2796 | |
5c52323e JK |
2797 | ret = get_bssid(usbdev, bssid); |
2798 | if (ret < 0) | |
2799 | memset(bssid, 0, sizeof(bssid)); | |
7834ddbc | 2800 | |
60b86755 JP |
2801 | netdev_dbg(usbdev->net, "link up work: [%pM]%s\n", |
2802 | bssid, roamed ? " roamed" : ""); | |
bf164cc0 | 2803 | |
b5257c95 | 2804 | /* Internal bss list in device should contain at least the currently |
5c52323e JK |
2805 | * connected bss and we can get it to cfg80211 with |
2806 | * rndis_check_bssid_list(). | |
b5257c95 JK |
2807 | * |
2808 | * NDIS spec says: "If the device is associated, but the associated | |
2809 | * BSSID is not in its BSSID scan list, then the driver must add an | |
2810 | * entry for the BSSID at the end of the data that it returns in | |
2811 | * response to query of OID_802_11_BSSID_LIST." | |
2812 | * | |
2813 | * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a. | |
5c52323e | 2814 | */ |
b5257c95 JK |
2815 | match_bss = false; |
2816 | rndis_check_bssid_list(usbdev, bssid, &match_bss); | |
2817 | ||
2818 | if (!is_zero_ether_addr(bssid) && !match_bss) { | |
2819 | /* Couldn't get bss from device, we need to manually craft bss | |
2820 | * for cfg80211. | |
2821 | */ | |
2822 | rndis_wlan_craft_connected_bss(usbdev, bssid, info); | |
2823 | } | |
5c52323e JK |
2824 | |
2825 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
2826 | if (!roamed) | |
2827 | cfg80211_connect_result(usbdev->net, bssid, req_ie, | |
2828 | req_ie_len, resp_ie, | |
2829 | resp_ie_len, 0, GFP_KERNEL); | |
2830 | else | |
ed9d0102 JM |
2831 | cfg80211_roamed(usbdev->net, NULL, bssid, |
2832 | req_ie, req_ie_len, | |
5c52323e JK |
2833 | resp_ie, resp_ie_len, GFP_KERNEL); |
2834 | } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) | |
2835 | cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL); | |
2836 | ||
3d1ca47e JK |
2837 | if (info != NULL) |
2838 | kfree(info); | |
2839 | ||
5c52323e | 2840 | priv->connected = true; |
8b89a288 | 2841 | memcpy(priv->bssid, bssid, ETH_ALEN); |
6010ce07 | 2842 | |
0848e6c6 | 2843 | usbnet_resume_rx(usbdev); |
5c52323e | 2844 | netif_carrier_on(usbdev->net); |
0848e6c6 JK |
2845 | } |
2846 | ||
2847 | static void rndis_wlan_do_link_down_work(struct usbnet *usbdev) | |
2848 | { | |
b6411fc2 | 2849 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
0848e6c6 | 2850 | |
b6411fc2 JK |
2851 | if (priv->connected) { |
2852 | priv->connected = false; | |
2853 | memset(priv->bssid, 0, ETH_ALEN); | |
2854 | ||
2855 | deauthenticate(usbdev); | |
0848e6c6 | 2856 | |
b6411fc2 JK |
2857 | cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL); |
2858 | } | |
2859 | ||
2860 | netif_carrier_off(usbdev->net); | |
0848e6c6 JK |
2861 | } |
2862 | ||
2863 | static void rndis_wlan_worker(struct work_struct *work) | |
2864 | { | |
2865 | struct rndis_wlan_private *priv = | |
2866 | container_of(work, struct rndis_wlan_private, work); | |
2867 | struct usbnet *usbdev = priv->usbdev; | |
2868 | ||
2869 | if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) | |
2870 | rndis_wlan_do_link_up_work(usbdev); | |
2871 | ||
2872 | if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) | |
2873 | rndis_wlan_do_link_down_work(usbdev); | |
2874 | ||
bf164cc0 JK |
2875 | if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2876 | set_multicast_list(usbdev); | |
2877 | } | |
2878 | ||
582241a0 | 2879 | static void rndis_wlan_set_multicast_list(struct net_device *dev) |
bf164cc0 | 2880 | { |
524ad0a7 | 2881 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2882 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2883 | |
a67edb9e JK |
2884 | if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2885 | return; | |
2886 | ||
bf164cc0 JK |
2887 | set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
2888 | queue_work(priv->workqueue, &priv->work); | |
2889 | } | |
2890 | ||
030645ac JK |
2891 | static void rndis_wlan_auth_indication(struct usbnet *usbdev, |
2892 | struct ndis_80211_status_indication *indication, | |
2893 | int len) | |
2894 | { | |
2895 | u8 *buf; | |
2896 | const char *type; | |
a0f9ce2a | 2897 | int flags, buflen, key_id; |
030645ac JK |
2898 | bool pairwise_error, group_error; |
2899 | struct ndis_80211_auth_request *auth_req; | |
a0f9ce2a | 2900 | enum nl80211_key_type key_type; |
030645ac JK |
2901 | |
2902 | /* must have at least one array entry */ | |
2903 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2904 | sizeof(struct ndis_80211_auth_request)) { | |
60b86755 JP |
2905 | netdev_info(usbdev->net, "authentication indication: too short message (%i)\n", |
2906 | len); | |
030645ac JK |
2907 | return; |
2908 | } | |
2909 | ||
2910 | buf = (void *)&indication->u.auth_request[0]; | |
2911 | buflen = len - offsetof(struct ndis_80211_status_indication, u); | |
2912 | ||
2913 | while (buflen >= sizeof(*auth_req)) { | |
2914 | auth_req = (void *)buf; | |
2915 | type = "unknown"; | |
2916 | flags = le32_to_cpu(auth_req->flags); | |
2917 | pairwise_error = false; | |
2918 | group_error = false; | |
2919 | ||
2920 | if (flags & 0x1) | |
2921 | type = "reauth request"; | |
2922 | if (flags & 0x2) | |
2923 | type = "key update request"; | |
2924 | if (flags & 0x6) { | |
2925 | pairwise_error = true; | |
2926 | type = "pairwise_error"; | |
2927 | } | |
2928 | if (flags & 0xe) { | |
2929 | group_error = true; | |
2930 | type = "group_error"; | |
2931 | } | |
2932 | ||
60b86755 JP |
2933 | netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n", |
2934 | type, le32_to_cpu(auth_req->flags)); | |
030645ac | 2935 | |
a0f9ce2a JK |
2936 | if (pairwise_error) { |
2937 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
2938 | key_id = -1; | |
030645ac | 2939 | |
a0f9ce2a JK |
2940 | cfg80211_michael_mic_failure(usbdev->net, |
2941 | auth_req->bssid, | |
2942 | key_type, key_id, NULL, | |
2943 | GFP_KERNEL); | |
2944 | } | |
030645ac | 2945 | |
a0f9ce2a JK |
2946 | if (group_error) { |
2947 | key_type = NL80211_KEYTYPE_GROUP; | |
2948 | key_id = -1; | |
030645ac | 2949 | |
a0f9ce2a JK |
2950 | cfg80211_michael_mic_failure(usbdev->net, |
2951 | auth_req->bssid, | |
2952 | key_type, key_id, NULL, | |
2953 | GFP_KERNEL); | |
030645ac JK |
2954 | } |
2955 | ||
2956 | buflen -= le32_to_cpu(auth_req->length); | |
2957 | buf += le32_to_cpu(auth_req->length); | |
2958 | } | |
2959 | } | |
2960 | ||
2961 | static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev, | |
2962 | struct ndis_80211_status_indication *indication, | |
2963 | int len) | |
2964 | { | |
2965 | struct ndis_80211_pmkid_cand_list *cand_list; | |
2966 | int list_len, expected_len, i; | |
2967 | ||
2968 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2969 | sizeof(struct ndis_80211_pmkid_cand_list)) { | |
60b86755 JP |
2970 | netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n", |
2971 | len); | |
030645ac JK |
2972 | return; |
2973 | } | |
2974 | ||
2975 | list_len = le32_to_cpu(indication->u.cand_list.num_candidates) * | |
2976 | sizeof(struct ndis_80211_pmkid_candidate); | |
2977 | expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len + | |
2978 | offsetof(struct ndis_80211_status_indication, u); | |
2979 | ||
2980 | if (len < expected_len) { | |
60b86755 JP |
2981 | netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n", |
2982 | len, expected_len); | |
030645ac JK |
2983 | return; |
2984 | } | |
2985 | ||
2986 | cand_list = &indication->u.cand_list; | |
2987 | ||
60b86755 JP |
2988 | netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n", |
2989 | le32_to_cpu(cand_list->version), | |
2990 | le32_to_cpu(cand_list->num_candidates)); | |
030645ac JK |
2991 | |
2992 | if (le32_to_cpu(cand_list->version) != 1) | |
2993 | return; | |
2994 | ||
2995 | for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) { | |
030645ac JK |
2996 | struct ndis_80211_pmkid_candidate *cand = |
2997 | &cand_list->candidate_list[i]; | |
2998 | ||
60b86755 JP |
2999 | netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, bssid: %pM\n", |
3000 | i, le32_to_cpu(cand->flags), cand->bssid); | |
030645ac | 3001 | |
21ec2d8d JK |
3002 | #if 0 |
3003 | struct iw_pmkid_cand pcand; | |
3004 | union iwreq_data wrqu; | |
3005 | ||
030645ac JK |
3006 | memset(&pcand, 0, sizeof(pcand)); |
3007 | if (le32_to_cpu(cand->flags) & 0x01) | |
3008 | pcand.flags |= IW_PMKID_CAND_PREAUTH; | |
3009 | pcand.index = i; | |
3010 | memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN); | |
3011 | ||
3012 | memset(&wrqu, 0, sizeof(wrqu)); | |
3013 | wrqu.data.length = sizeof(pcand); | |
3014 | wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu, | |
3015 | (u8 *)&pcand); | |
21ec2d8d | 3016 | #endif |
030645ac JK |
3017 | } |
3018 | } | |
3019 | ||
3020 | static void rndis_wlan_media_specific_indication(struct usbnet *usbdev, | |
3021 | struct rndis_indicate *msg, int buflen) | |
3022 | { | |
3023 | struct ndis_80211_status_indication *indication; | |
3024 | int len, offset; | |
3025 | ||
3026 | offset = offsetof(struct rndis_indicate, status) + | |
3027 | le32_to_cpu(msg->offset); | |
3028 | len = le32_to_cpu(msg->length); | |
3029 | ||
3030 | if (len < 8) { | |
60b86755 JP |
3031 | netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n", |
3032 | len); | |
030645ac JK |
3033 | return; |
3034 | } | |
3035 | ||
3036 | if (offset + len > buflen) { | |
60b86755 JP |
3037 | netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n", |
3038 | offset + len, buflen); | |
030645ac JK |
3039 | return; |
3040 | } | |
3041 | ||
3042 | indication = (void *)((u8 *)msg + offset); | |
3043 | ||
3044 | switch (le32_to_cpu(indication->status_type)) { | |
3045 | case NDIS_80211_STATUSTYPE_RADIOSTATE: | |
60b86755 JP |
3046 | netdev_info(usbdev->net, "radio state indication: %i\n", |
3047 | le32_to_cpu(indication->u.radio_status)); | |
030645ac JK |
3048 | return; |
3049 | ||
3050 | case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE: | |
60b86755 JP |
3051 | netdev_info(usbdev->net, "media stream mode indication: %i\n", |
3052 | le32_to_cpu(indication->u.media_stream_mode)); | |
030645ac JK |
3053 | return; |
3054 | ||
3055 | case NDIS_80211_STATUSTYPE_AUTHENTICATION: | |
3056 | rndis_wlan_auth_indication(usbdev, indication, len); | |
3057 | return; | |
3058 | ||
3059 | case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST: | |
3060 | rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len); | |
3061 | return; | |
3062 | ||
3063 | default: | |
60b86755 JP |
3064 | netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n", |
3065 | le32_to_cpu(indication->status_type)); | |
030645ac JK |
3066 | } |
3067 | } | |
3068 | ||
2a4901bc | 3069 | static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) |
bf164cc0 | 3070 | { |
582241a0 | 3071 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2a4901bc | 3072 | struct rndis_indicate *msg = ind; |
bf164cc0 | 3073 | |
2a4901bc JK |
3074 | switch (msg->status) { |
3075 | case RNDIS_STATUS_MEDIA_CONNECT: | |
5f81ff5a JK |
3076 | if (priv->current_command_oid == OID_802_11_ADD_KEY) { |
3077 | /* OID_802_11_ADD_KEY causes sometimes extra | |
3078 | * "media connect" indications which confuses driver | |
3079 | * and userspace to think that device is | |
3080 | * roaming/reassociating when it isn't. | |
3081 | */ | |
60b86755 | 3082 | netdev_dbg(usbdev->net, "ignored OID_802_11_ADD_KEY triggered 'media connect'\n"); |
5f81ff5a JK |
3083 | return; |
3084 | } | |
3085 | ||
7834ddbc JK |
3086 | usbnet_pause_rx(usbdev); |
3087 | ||
60b86755 | 3088 | netdev_info(usbdev->net, "media connect\n"); |
2a4901bc | 3089 | |
030645ac | 3090 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
3091 | set_bit(WORK_LINK_UP, &priv->work_pending); |
3092 | queue_work(priv->workqueue, &priv->work); | |
3093 | break; | |
3094 | ||
3095 | case RNDIS_STATUS_MEDIA_DISCONNECT: | |
60b86755 | 3096 | netdev_info(usbdev->net, "media disconnect\n"); |
2a4901bc | 3097 | |
030645ac | 3098 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
3099 | set_bit(WORK_LINK_DOWN, &priv->work_pending); |
3100 | queue_work(priv->workqueue, &priv->work); | |
3101 | break; | |
3102 | ||
030645ac JK |
3103 | case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION: |
3104 | rndis_wlan_media_specific_indication(usbdev, msg, buflen); | |
3105 | break; | |
3106 | ||
2a4901bc | 3107 | default: |
60b86755 JP |
3108 | netdev_info(usbdev->net, "indication: 0x%08x\n", |
3109 | le32_to_cpu(msg->status)); | |
2a4901bc JK |
3110 | break; |
3111 | } | |
bf164cc0 JK |
3112 | } |
3113 | ||
0308383f | 3114 | static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy) |
bf164cc0 JK |
3115 | { |
3116 | struct { | |
3117 | __le32 num_items; | |
3118 | __le32 items[8]; | |
3119 | } networks_supported; | |
0308383f JK |
3120 | struct ndis_80211_capability *caps; |
3121 | u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16]; | |
bf164cc0 | 3122 | int len, retval, i, n; |
582241a0 | 3123 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 3124 | |
bf164cc0 JK |
3125 | /* determine supported modes */ |
3126 | len = sizeof(networks_supported); | |
a19d7292 | 3127 | retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED, |
bf164cc0 JK |
3128 | &networks_supported, &len); |
3129 | if (retval >= 0) { | |
3130 | n = le32_to_cpu(networks_supported.num_items); | |
3131 | if (n > 8) | |
3132 | n = 8; | |
3133 | for (i = 0; i < n; i++) { | |
3134 | switch (le32_to_cpu(networks_supported.items[i])) { | |
aa18294a JK |
3135 | case NDIS_80211_TYPE_FREQ_HOP: |
3136 | case NDIS_80211_TYPE_DIRECT_SEQ: | |
bf164cc0 JK |
3137 | priv->caps |= CAP_MODE_80211B; |
3138 | break; | |
aa18294a | 3139 | case NDIS_80211_TYPE_OFDM_A: |
bf164cc0 JK |
3140 | priv->caps |= CAP_MODE_80211A; |
3141 | break; | |
aa18294a | 3142 | case NDIS_80211_TYPE_OFDM_G: |
bf164cc0 JK |
3143 | priv->caps |= CAP_MODE_80211G; |
3144 | break; | |
3145 | } | |
3146 | } | |
bf164cc0 JK |
3147 | } |
3148 | ||
0308383f JK |
3149 | /* get device 802.11 capabilities, number of PMKIDs */ |
3150 | caps = (struct ndis_80211_capability *)caps_buf; | |
3151 | len = sizeof(caps_buf); | |
3152 | retval = rndis_query_oid(usbdev, OID_802_11_CAPABILITY, caps, &len); | |
3153 | if (retval >= 0) { | |
3154 | netdev_dbg(usbdev->net, "OID_802_11_CAPABILITY -> len %d, " | |
3155 | "ver %d, pmkids %d, auth-encr-pairs %d\n", | |
3156 | le32_to_cpu(caps->length), | |
3157 | le32_to_cpu(caps->version), | |
3158 | le32_to_cpu(caps->num_pmkids), | |
3159 | le32_to_cpu(caps->num_auth_encr_pair)); | |
3160 | wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids); | |
3161 | } else | |
3162 | wiphy->max_num_pmkids = 0; | |
3163 | ||
bf164cc0 JK |
3164 | return retval; |
3165 | } | |
3166 | ||
49b35bd3 JK |
3167 | static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi) |
3168 | { | |
3169 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
3170 | enum nl80211_cqm_rssi_threshold_event event; | |
3171 | int thold, hyst, last_event; | |
3172 | ||
3173 | if (priv->cqm_rssi_thold >= 0 || rssi >= 0) | |
3174 | return; | |
3175 | if (priv->infra_mode != NDIS_80211_INFRA_INFRA) | |
3176 | return; | |
3177 | ||
3178 | last_event = priv->last_cqm_event_rssi; | |
3179 | thold = priv->cqm_rssi_thold; | |
3180 | hyst = priv->cqm_rssi_hyst; | |
3181 | ||
3182 | if (rssi < thold && (last_event == 0 || rssi < last_event - hyst)) | |
3183 | event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; | |
3184 | else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst)) | |
3185 | event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; | |
3186 | else | |
3187 | return; | |
3188 | ||
3189 | priv->last_cqm_event_rssi = rssi; | |
3190 | cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL); | |
3191 | } | |
3192 | ||
305e243e JK |
3193 | #define DEVICE_POLLER_JIFFIES (HZ) |
3194 | static void rndis_device_poller(struct work_struct *work) | |
bf164cc0 | 3195 | { |
582241a0 | 3196 | struct rndis_wlan_private *priv = |
305e243e JK |
3197 | container_of(work, struct rndis_wlan_private, |
3198 | dev_poller_work.work); | |
bf164cc0 | 3199 | struct usbnet *usbdev = priv->usbdev; |
bf164cc0 | 3200 | __le32 rssi, tmp; |
a97b1f3d | 3201 | int len, ret, j; |
305e243e | 3202 | int update_jiffies = DEVICE_POLLER_JIFFIES; |
bf164cc0 JK |
3203 | void *buf; |
3204 | ||
8b89a288 JK |
3205 | /* Only check/do workaround when connected. Calling is_associated() |
3206 | * also polls device with rndis_command() and catches for media link | |
3207 | * indications. | |
3208 | */ | |
5cb56af2 JK |
3209 | if (!is_associated(usbdev)) { |
3210 | /* Workaround bad scanning in BCM4320a devices with active | |
3211 | * background scanning when not associated. | |
3212 | */ | |
3213 | if (priv->device_type == RNDIS_BCM4320A && priv->radio_on && | |
3214 | !priv->scan_request) { | |
3215 | /* Get previous scan results */ | |
3216 | rndis_check_bssid_list(usbdev, NULL, NULL); | |
3217 | ||
3218 | /* Initiate new scan */ | |
3219 | rndis_start_bssid_list_scan(usbdev); | |
3220 | } | |
3221 | ||
bf164cc0 | 3222 | goto end; |
5cb56af2 | 3223 | } |
bf164cc0 JK |
3224 | |
3225 | len = sizeof(rssi); | |
3226 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
49b35bd3 | 3227 | if (ret == 0) { |
8b89a288 | 3228 | priv->last_qual = level_to_qual(le32_to_cpu(rssi)); |
49b35bd3 JK |
3229 | rndis_do_cqm(usbdev, le32_to_cpu(rssi)); |
3230 | } | |
bf164cc0 | 3231 | |
60b86755 JP |
3232 | netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n", |
3233 | ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi))); | |
bf164cc0 | 3234 | |
a97b1f3d JK |
3235 | /* Workaround transfer stalls on poor quality links. |
3236 | * TODO: find right way to fix these stalls (as stalls do not happen | |
3237 | * with ndiswrapper/windows driver). */ | |
77593ae2 | 3238 | if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) { |
bf164cc0 JK |
3239 | /* Decrease stats worker interval to catch stalls. |
3240 | * faster. Faster than 400-500ms causes packet loss, | |
3241 | * Slower doesn't catch stalls fast enough. | |
3242 | */ | |
3243 | j = msecs_to_jiffies(priv->param_workaround_interval); | |
305e243e JK |
3244 | if (j > DEVICE_POLLER_JIFFIES) |
3245 | j = DEVICE_POLLER_JIFFIES; | |
bf164cc0 JK |
3246 | else if (j <= 0) |
3247 | j = 1; | |
3248 | update_jiffies = j; | |
3249 | ||
3250 | /* Send scan OID. Use of both OIDs is required to get device | |
3251 | * working. | |
3252 | */ | |
35c26c2c | 3253 | tmp = cpu_to_le32(1); |
bf164cc0 JK |
3254 | rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, |
3255 | sizeof(tmp)); | |
3256 | ||
3257 | len = CONTROL_BUFFER_SIZE; | |
3258 | buf = kmalloc(len, GFP_KERNEL); | |
3259 | if (!buf) | |
3260 | goto end; | |
3261 | ||
3262 | rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
3263 | kfree(buf); | |
3264 | } | |
bf164cc0 | 3265 | |
305e243e | 3266 | end: |
bf164cc0 JK |
3267 | if (update_jiffies >= HZ) |
3268 | update_jiffies = round_jiffies_relative(update_jiffies); | |
3269 | else { | |
3270 | j = round_jiffies_relative(update_jiffies); | |
3271 | if (abs(j - update_jiffies) <= 10) | |
3272 | update_jiffies = j; | |
3273 | } | |
3274 | ||
305e243e JK |
3275 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
3276 | update_jiffies); | |
bf164cc0 JK |
3277 | } |
3278 | ||
c5c4fe90 JK |
3279 | /* |
3280 | * driver/device initialization | |
3281 | */ | |
5cb56af2 | 3282 | static void rndis_copy_module_params(struct usbnet *usbdev, int device_type) |
bf164cc0 | 3283 | { |
582241a0 | 3284 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 3285 | |
5cb56af2 JK |
3286 | priv->device_type = device_type; |
3287 | ||
bf164cc0 JK |
3288 | priv->param_country[0] = modparam_country[0]; |
3289 | priv->param_country[1] = modparam_country[1]; | |
3290 | priv->param_country[2] = 0; | |
3291 | priv->param_frameburst = modparam_frameburst; | |
3292 | priv->param_afterburner = modparam_afterburner; | |
3293 | priv->param_power_save = modparam_power_save; | |
3294 | priv->param_power_output = modparam_power_output; | |
3295 | priv->param_roamtrigger = modparam_roamtrigger; | |
3296 | priv->param_roamdelta = modparam_roamdelta; | |
bf164cc0 JK |
3297 | |
3298 | priv->param_country[0] = toupper(priv->param_country[0]); | |
3299 | priv->param_country[1] = toupper(priv->param_country[1]); | |
3300 | /* doesn't support EU as country code, use FI instead */ | |
3301 | if (!strcmp(priv->param_country, "EU")) | |
3302 | strcpy(priv->param_country, "FI"); | |
3303 | ||
3304 | if (priv->param_power_save < 0) | |
3305 | priv->param_power_save = 0; | |
3306 | else if (priv->param_power_save > 2) | |
3307 | priv->param_power_save = 2; | |
3308 | ||
a7624837 JK |
3309 | if (priv->param_power_output < 0) |
3310 | priv->param_power_output = 0; | |
3311 | else if (priv->param_power_output > 3) | |
3312 | priv->param_power_output = 3; | |
3313 | ||
bf164cc0 JK |
3314 | if (priv->param_roamtrigger < -80) |
3315 | priv->param_roamtrigger = -80; | |
3316 | else if (priv->param_roamtrigger > -60) | |
3317 | priv->param_roamtrigger = -60; | |
3318 | ||
3319 | if (priv->param_roamdelta < 0) | |
3320 | priv->param_roamdelta = 0; | |
3321 | else if (priv->param_roamdelta > 2) | |
3322 | priv->param_roamdelta = 2; | |
3323 | ||
4d381ffb | 3324 | if (modparam_workaround_interval < 0) |
bf164cc0 | 3325 | priv->param_workaround_interval = 500; |
4d381ffb RK |
3326 | else |
3327 | priv->param_workaround_interval = modparam_workaround_interval; | |
cef6e912 JK |
3328 | } |
3329 | ||
5cb56af2 JK |
3330 | static int unknown_early_init(struct usbnet *usbdev) |
3331 | { | |
3332 | /* copy module parameters for unknown so that iwconfig reports txpower | |
3333 | * and workaround parameter is copied to private structure correctly. | |
3334 | */ | |
3335 | rndis_copy_module_params(usbdev, RNDIS_UNKNOWN); | |
3336 | ||
3337 | /* This is unknown device, so do not try set configuration parameters. | |
3338 | */ | |
3339 | ||
3340 | return 0; | |
3341 | } | |
3342 | ||
cef6e912 JK |
3343 | static int bcm4320a_early_init(struct usbnet *usbdev) |
3344 | { | |
6e850af5 JK |
3345 | /* copy module parameters for bcm4320a so that iwconfig reports txpower |
3346 | * and workaround parameter is copied to private structure correctly. | |
3347 | */ | |
5cb56af2 | 3348 | rndis_copy_module_params(usbdev, RNDIS_BCM4320A); |
6e850af5 | 3349 | |
cef6e912 JK |
3350 | /* bcm4320a doesn't handle configuration parameters well. Try |
3351 | * set any and you get partially zeroed mac and broken device. | |
3352 | */ | |
3353 | ||
3354 | return 0; | |
3355 | } | |
3356 | ||
3357 | static int bcm4320b_early_init(struct usbnet *usbdev) | |
3358 | { | |
3359 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
3360 | char buf[8]; | |
3361 | ||
5cb56af2 | 3362 | rndis_copy_module_params(usbdev, RNDIS_BCM4320B); |
cef6e912 JK |
3363 | |
3364 | /* Early initialization settings, setting these won't have effect | |
3365 | * if called after generic_rndis_bind(). | |
3366 | */ | |
bf164cc0 | 3367 | |
a19d7292 JK |
3368 | rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
3369 | rndis_set_config_parameter_str(usbdev, "FrameBursting", | |
bf164cc0 | 3370 | priv->param_frameburst ? "1" : "0"); |
a19d7292 | 3371 | rndis_set_config_parameter_str(usbdev, "Afterburner", |
bf164cc0 JK |
3372 | priv->param_afterburner ? "1" : "0"); |
3373 | sprintf(buf, "%d", priv->param_power_save); | |
a19d7292 | 3374 | rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
bf164cc0 | 3375 | sprintf(buf, "%d", priv->param_power_output); |
a19d7292 | 3376 | rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
bf164cc0 | 3377 | sprintf(buf, "%d", priv->param_roamtrigger); |
a19d7292 | 3378 | rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
bf164cc0 | 3379 | sprintf(buf, "%d", priv->param_roamdelta); |
a19d7292 | 3380 | rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
bf164cc0 JK |
3381 | |
3382 | return 0; | |
3383 | } | |
3384 | ||
23d12e2b | 3385 | /* same as rndis_netdev_ops but with local multicast handler */ |
582241a0 | 3386 | static const struct net_device_ops rndis_wlan_netdev_ops = { |
23d12e2b DM |
3387 | .ndo_open = usbnet_open, |
3388 | .ndo_stop = usbnet_stop, | |
3389 | .ndo_start_xmit = usbnet_start_xmit, | |
3390 | .ndo_tx_timeout = usbnet_tx_timeout, | |
3391 | .ndo_set_mac_address = eth_mac_addr, | |
3392 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3393 | .ndo_set_rx_mode = rndis_wlan_set_multicast_list, |
23d12e2b DM |
3394 | }; |
3395 | ||
582241a0 | 3396 | static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 3397 | { |
5c8fa4f7 | 3398 | struct wiphy *wiphy; |
582241a0 | 3399 | struct rndis_wlan_private *priv; |
bf164cc0 JK |
3400 | int retval, len; |
3401 | __le32 tmp; | |
3402 | ||
5c8fa4f7 JL |
3403 | /* allocate wiphy and rndis private data |
3404 | * NOTE: We only support a single virtual interface, so wiphy | |
3405 | * and wireless_dev are somewhat synonymous for this device. | |
3406 | */ | |
582241a0 | 3407 | wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private)); |
5c8fa4f7 | 3408 | if (!wiphy) |
bf164cc0 JK |
3409 | return -ENOMEM; |
3410 | ||
5c8fa4f7 JL |
3411 | priv = wiphy_priv(wiphy); |
3412 | usbdev->net->ieee80211_ptr = &priv->wdev; | |
3413 | priv->wdev.wiphy = wiphy; | |
3414 | priv->wdev.iftype = NL80211_IFTYPE_STATION; | |
3415 | ||
bf164cc0 | 3416 | /* These have to be initialized before calling generic_rndis_bind(). |
582241a0 | 3417 | * Otherwise we'll be in big trouble in rndis_wlan_early_init(). |
bf164cc0 | 3418 | */ |
a19d7292 | 3419 | usbdev->driver_priv = priv; |
a19d7292 | 3420 | priv->usbdev = usbdev; |
bf164cc0 JK |
3421 | |
3422 | mutex_init(&priv->command_lock); | |
bf164cc0 | 3423 | |
8d4d99ae JK |
3424 | /* because rndis_command() sleeps we need to use workqueue */ |
3425 | priv->workqueue = create_singlethread_workqueue("rndis_wlan"); | |
582241a0 | 3426 | INIT_WORK(&priv->work, rndis_wlan_worker); |
305e243e | 3427 | INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller); |
8d4d99ae JK |
3428 | INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results); |
3429 | ||
bf164cc0 | 3430 | /* try bind rndis_host */ |
a19d7292 | 3431 | retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
bf164cc0 JK |
3432 | if (retval < 0) |
3433 | goto fail; | |
3434 | ||
3435 | /* generic_rndis_bind set packet filter to multicast_all+ | |
3436 | * promisc mode which doesn't work well for our devices (device | |
3437 | * picks up rssi to closest station instead of to access point). | |
3438 | * | |
3439 | * rndis_host wants to avoid all OID as much as possible | |
582241a0 | 3440 | * so do promisc/multicast handling in rndis_wlan. |
bf164cc0 | 3441 | */ |
582241a0 | 3442 | usbdev->net->netdev_ops = &rndis_wlan_netdev_ops; |
23d12e2b | 3443 | |
bf164cc0 | 3444 | tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; |
a19d7292 | 3445 | retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp, |
bf164cc0 JK |
3446 | sizeof(tmp)); |
3447 | ||
3448 | len = sizeof(tmp); | |
a19d7292 JK |
3449 | retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, |
3450 | &len); | |
bf164cc0 JK |
3451 | priv->multicast_size = le32_to_cpu(tmp); |
3452 | if (retval < 0 || priv->multicast_size < 0) | |
3453 | priv->multicast_size = 0; | |
3454 | if (priv->multicast_size > 0) | |
a19d7292 | 3455 | usbdev->net->flags |= IFF_MULTICAST; |
bf164cc0 | 3456 | else |
a19d7292 | 3457 | usbdev->net->flags &= ~IFF_MULTICAST; |
bf164cc0 | 3458 | |
5c8fa4f7 JL |
3459 | /* fill-out wiphy structure and register w/ cfg80211 */ |
3460 | memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN); | |
3461 | wiphy->privid = rndis_wiphy_privid; | |
3462 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
3463 | | BIT(NL80211_IFTYPE_ADHOC); | |
3464 | wiphy->max_scan_ssids = 1; | |
3465 | ||
4a7f13ee | 3466 | /* TODO: fill-out band/encr information based on priv->caps */ |
0308383f | 3467 | rndis_wlan_get_caps(usbdev, wiphy); |
5c8fa4f7 JL |
3468 | |
3469 | memcpy(priv->channels, rndis_channels, sizeof(rndis_channels)); | |
3470 | memcpy(priv->rates, rndis_rates, sizeof(rndis_rates)); | |
3471 | priv->band.channels = priv->channels; | |
3472 | priv->band.n_channels = ARRAY_SIZE(rndis_channels); | |
3473 | priv->band.bitrates = priv->rates; | |
3474 | priv->band.n_bitrates = ARRAY_SIZE(rndis_rates); | |
3475 | wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; | |
4d2a369e | 3476 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; |
5c8fa4f7 | 3477 | |
4a7f13ee JK |
3478 | memcpy(priv->cipher_suites, rndis_cipher_suites, |
3479 | sizeof(rndis_cipher_suites)); | |
3480 | wiphy->cipher_suites = priv->cipher_suites; | |
3481 | wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites); | |
3482 | ||
5c8fa4f7 JL |
3483 | set_wiphy_dev(wiphy, &usbdev->udev->dev); |
3484 | ||
3485 | if (wiphy_register(wiphy)) { | |
eb1a685e JK |
3486 | retval = -ENODEV; |
3487 | goto fail; | |
5c8fa4f7 JL |
3488 | } |
3489 | ||
a19d7292 | 3490 | set_default_iw_params(usbdev); |
bf164cc0 | 3491 | |
40d70dd1 JK |
3492 | priv->power_mode = -1; |
3493 | ||
d75ec2b7 JK |
3494 | /* set default rts/frag */ |
3495 | rndis_set_wiphy_params(wiphy, | |
3496 | WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD); | |
3497 | ||
21b27bec JK |
3498 | /* turn radio off on init */ |
3499 | priv->radio_on = false; | |
3500 | disassociate(usbdev, false); | |
a19d7292 | 3501 | netif_carrier_off(usbdev->net); |
bf164cc0 | 3502 | |
bf164cc0 JK |
3503 | return 0; |
3504 | ||
3505 | fail: | |
305e243e | 3506 | cancel_delayed_work_sync(&priv->dev_poller_work); |
8d4d99ae JK |
3507 | cancel_delayed_work_sync(&priv->scan_work); |
3508 | cancel_work_sync(&priv->work); | |
3509 | flush_workqueue(priv->workqueue); | |
3510 | destroy_workqueue(priv->workqueue); | |
3511 | ||
eb1a685e | 3512 | wiphy_free(wiphy); |
bf164cc0 JK |
3513 | return retval; |
3514 | } | |
3515 | ||
582241a0 | 3516 | static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 3517 | { |
582241a0 | 3518 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
3519 | |
3520 | /* turn radio off */ | |
051ae0bf | 3521 | disassociate(usbdev, false); |
bf164cc0 | 3522 | |
305e243e | 3523 | cancel_delayed_work_sync(&priv->dev_poller_work); |
71a7b26d | 3524 | cancel_delayed_work_sync(&priv->scan_work); |
bf164cc0 JK |
3525 | cancel_work_sync(&priv->work); |
3526 | flush_workqueue(priv->workqueue); | |
3527 | destroy_workqueue(priv->workqueue); | |
3528 | ||
a19d7292 | 3529 | rndis_unbind(usbdev, intf); |
5c8fa4f7 JL |
3530 | |
3531 | wiphy_unregister(priv->wdev.wiphy); | |
3532 | wiphy_free(priv->wdev.wiphy); | |
bf164cc0 JK |
3533 | } |
3534 | ||
582241a0 | 3535 | static int rndis_wlan_reset(struct usbnet *usbdev) |
bf164cc0 | 3536 | { |
110736de | 3537 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
7eaab708 | 3538 | int retval; |
110736de | 3539 | |
60b86755 | 3540 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
110736de | 3541 | |
7eaab708 JK |
3542 | retval = rndis_reset(usbdev); |
3543 | if (retval) | |
60b86755 | 3544 | netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval); |
7eaab708 | 3545 | |
e5a11a82 JK |
3546 | /* rndis_reset cleared multicast list, so restore here. |
3547 | (set_multicast_list() also turns on current packet filter) */ | |
7eaab708 JK |
3548 | set_multicast_list(usbdev); |
3549 | ||
305e243e JK |
3550 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
3551 | round_jiffies_relative(DEVICE_POLLER_JIFFIES)); | |
110736de | 3552 | |
a19d7292 | 3553 | return deauthenticate(usbdev); |
bf164cc0 JK |
3554 | } |
3555 | ||
222ec50a JK |
3556 | static int rndis_wlan_stop(struct usbnet *usbdev) |
3557 | { | |
110736de JK |
3558 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
3559 | int retval; | |
e5a11a82 | 3560 | __le32 filter; |
110736de | 3561 | |
60b86755 | 3562 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
110736de | 3563 | |
051ae0bf | 3564 | retval = disassociate(usbdev, false); |
110736de JK |
3565 | |
3566 | priv->work_pending = 0; | |
305e243e | 3567 | cancel_delayed_work_sync(&priv->dev_poller_work); |
110736de JK |
3568 | cancel_delayed_work_sync(&priv->scan_work); |
3569 | cancel_work_sync(&priv->work); | |
3570 | flush_workqueue(priv->workqueue); | |
3571 | ||
005ba2f1 JK |
3572 | if (priv->scan_request) { |
3573 | cfg80211_scan_done(priv->scan_request, true); | |
3574 | priv->scan_request = NULL; | |
3575 | } | |
3576 | ||
e5a11a82 JK |
3577 | /* Set current packet filter zero to block receiving data packets from |
3578 | device. */ | |
3579 | filter = 0; | |
3580 | rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
3581 | sizeof(filter)); | |
3582 | ||
110736de | 3583 | return retval; |
222ec50a JK |
3584 | } |
3585 | ||
bf164cc0 JK |
3586 | static const struct driver_info bcm4320b_info = { |
3587 | .description = "Wireless RNDIS device, BCM4320b based", | |
1487cd5e JK |
3588 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3589 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3590 | .bind = rndis_wlan_bind, |
3591 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3592 | .status = rndis_status, |
3593 | .rx_fixup = rndis_rx_fixup, | |
3594 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3595 | .reset = rndis_wlan_reset, |
222ec50a | 3596 | .stop = rndis_wlan_stop, |
59620e9f | 3597 | .early_init = bcm4320b_early_init, |
2a4901bc | 3598 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3599 | }; |
3600 | ||
3601 | static const struct driver_info bcm4320a_info = { | |
3602 | .description = "Wireless RNDIS device, BCM4320a based", | |
1487cd5e JK |
3603 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3604 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3605 | .bind = rndis_wlan_bind, |
3606 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3607 | .status = rndis_status, |
3608 | .rx_fixup = rndis_rx_fixup, | |
3609 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3610 | .reset = rndis_wlan_reset, |
222ec50a | 3611 | .stop = rndis_wlan_stop, |
59620e9f | 3612 | .early_init = bcm4320a_early_init, |
2a4901bc | 3613 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3614 | }; |
3615 | ||
582241a0 | 3616 | static const struct driver_info rndis_wlan_info = { |
bf164cc0 | 3617 | .description = "Wireless RNDIS device", |
1487cd5e JK |
3618 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3619 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3620 | .bind = rndis_wlan_bind, |
3621 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3622 | .status = rndis_status, |
3623 | .rx_fixup = rndis_rx_fixup, | |
3624 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3625 | .reset = rndis_wlan_reset, |
222ec50a | 3626 | .stop = rndis_wlan_stop, |
5cb56af2 | 3627 | .early_init = unknown_early_init, |
2a4901bc | 3628 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3629 | }; |
3630 | ||
3631 | /*-------------------------------------------------------------------------*/ | |
3632 | ||
3633 | static const struct usb_device_id products [] = { | |
3634 | #define RNDIS_MASTER_INTERFACE \ | |
3635 | .bInterfaceClass = USB_CLASS_COMM, \ | |
3636 | .bInterfaceSubClass = 2 /* ACM */, \ | |
3637 | .bInterfaceProtocol = 0x0ff | |
3638 | ||
3639 | /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom | |
3640 | * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki. | |
3641 | */ | |
3642 | { | |
3643 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3644 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3645 | .idVendor = 0x0411, | |
3646 | .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */ | |
3647 | RNDIS_MASTER_INTERFACE, | |
3648 | .driver_info = (unsigned long) &bcm4320b_info, | |
3649 | }, { | |
3650 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3651 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3652 | .idVendor = 0x0baf, | |
3653 | .idProduct = 0x011b, /* U.S. Robotics USR5421 */ | |
3654 | RNDIS_MASTER_INTERFACE, | |
3655 | .driver_info = (unsigned long) &bcm4320b_info, | |
3656 | }, { | |
3657 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3658 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3659 | .idVendor = 0x050d, | |
3660 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
3661 | RNDIS_MASTER_INTERFACE, | |
3662 | .driver_info = (unsigned long) &bcm4320b_info, | |
3663 | }, { | |
3664 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3665 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3666 | .idVendor = 0x1799, /* Belkin has two vendor ids */ | |
3667 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
3668 | RNDIS_MASTER_INTERFACE, | |
3669 | .driver_info = (unsigned long) &bcm4320b_info, | |
3670 | }, { | |
3671 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3672 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3673 | .idVendor = 0x13b1, | |
3674 | .idProduct = 0x0014, /* Linksys WUSB54GSv2 */ | |
3675 | RNDIS_MASTER_INTERFACE, | |
3676 | .driver_info = (unsigned long) &bcm4320b_info, | |
3677 | }, { | |
3678 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3679 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3680 | .idVendor = 0x13b1, | |
3681 | .idProduct = 0x0026, /* Linksys WUSB54GSC */ | |
3682 | RNDIS_MASTER_INTERFACE, | |
3683 | .driver_info = (unsigned long) &bcm4320b_info, | |
3684 | }, { | |
3685 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3686 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3687 | .idVendor = 0x0b05, | |
3688 | .idProduct = 0x1717, /* Asus WL169gE */ | |
3689 | RNDIS_MASTER_INTERFACE, | |
3690 | .driver_info = (unsigned long) &bcm4320b_info, | |
3691 | }, { | |
3692 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3693 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3694 | .idVendor = 0x0a5c, | |
3695 | .idProduct = 0xd11b, /* Eminent EM4045 */ | |
3696 | RNDIS_MASTER_INTERFACE, | |
3697 | .driver_info = (unsigned long) &bcm4320b_info, | |
3698 | }, { | |
3699 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3700 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3701 | .idVendor = 0x1690, | |
3702 | .idProduct = 0x0715, /* BT Voyager 1055 */ | |
3703 | RNDIS_MASTER_INTERFACE, | |
3704 | .driver_info = (unsigned long) &bcm4320b_info, | |
3705 | }, | |
3706 | /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom | |
3707 | * parameters available, hardware probably contain older firmware version with | |
3708 | * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki. | |
3709 | */ | |
3710 | { | |
3711 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3712 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3713 | .idVendor = 0x13b1, | |
3714 | .idProduct = 0x000e, /* Linksys WUSB54GSv1 */ | |
3715 | RNDIS_MASTER_INTERFACE, | |
3716 | .driver_info = (unsigned long) &bcm4320a_info, | |
3717 | }, { | |
3718 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3719 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3720 | .idVendor = 0x0baf, | |
3721 | .idProduct = 0x0111, /* U.S. Robotics USR5420 */ | |
3722 | RNDIS_MASTER_INTERFACE, | |
3723 | .driver_info = (unsigned long) &bcm4320a_info, | |
3724 | }, { | |
3725 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3726 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3727 | .idVendor = 0x0411, | |
3728 | .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */ | |
3729 | RNDIS_MASTER_INTERFACE, | |
3730 | .driver_info = (unsigned long) &bcm4320a_info, | |
3731 | }, | |
3732 | /* Generic Wireless RNDIS devices that we don't have exact | |
3733 | * idVendor/idProduct/chip yet. | |
3734 | */ | |
3735 | { | |
3736 | /* RNDIS is MSFT's un-official variant of CDC ACM */ | |
3737 | USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), | |
582241a0 | 3738 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3739 | }, { |
3740 | /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ | |
3741 | USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), | |
582241a0 | 3742 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3743 | }, |
3744 | { }, // END | |
3745 | }; | |
3746 | MODULE_DEVICE_TABLE(usb, products); | |
3747 | ||
3748 | static struct usb_driver rndis_wlan_driver = { | |
3749 | .name = "rndis_wlan", | |
3750 | .id_table = products, | |
3751 | .probe = usbnet_probe, | |
3752 | .disconnect = usbnet_disconnect, | |
3753 | .suspend = usbnet_suspend, | |
3754 | .resume = usbnet_resume, | |
3755 | }; | |
3756 | ||
3757 | static int __init rndis_wlan_init(void) | |
3758 | { | |
3759 | return usb_register(&rndis_wlan_driver); | |
3760 | } | |
3761 | module_init(rndis_wlan_init); | |
3762 | ||
3763 | static void __exit rndis_wlan_exit(void) | |
3764 | { | |
3765 | usb_deregister(&rndis_wlan_driver); | |
3766 | } | |
3767 | module_exit(rndis_wlan_exit); | |
3768 | ||
3769 | MODULE_AUTHOR("Bjorge Dijkstra"); | |
3770 | MODULE_AUTHOR("Jussi Kivilinna"); | |
3771 | MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); | |
3772 | MODULE_LICENSE("GPL"); | |
3773 |