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 | 90 | |
bf164cc0 JK |
91 | /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */ |
92 | #define WL_NOISE -96 /* typical noise level in dBm */ | |
93 | #define WL_SIGMAX -32 /* typical maximum signal level in dBm */ | |
94 | ||
95 | ||
96 | /* Assume that Broadcom 4320 (only chipset at time of writing known to be | |
97 | * based on wireless rndis) has default txpower of 13dBm. | |
98 | * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications. | |
222ec50a JK |
99 | * 100% : 20 mW ~ 13dBm |
100 | * 75% : 15 mW ~ 12dBm | |
101 | * 50% : 10 mW ~ 10dBm | |
102 | * 25% : 5 mW ~ 7dBm | |
bf164cc0 | 103 | */ |
222ec50a JK |
104 | #define BCM4320_DEFAULT_TXPOWER_DBM_100 13 |
105 | #define BCM4320_DEFAULT_TXPOWER_DBM_75 12 | |
106 | #define BCM4320_DEFAULT_TXPOWER_DBM_50 10 | |
107 | #define BCM4320_DEFAULT_TXPOWER_DBM_25 7 | |
bf164cc0 | 108 | |
5cb56af2 JK |
109 | /* Known device types */ |
110 | #define RNDIS_UNKNOWN 0 | |
111 | #define RNDIS_BCM4320A 1 | |
112 | #define RNDIS_BCM4320B 2 | |
113 | ||
114 | ||
bf164cc0 JK |
115 | /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c |
116 | * slightly modified for datatype endianess, etc | |
117 | */ | |
118 | #define NDIS_802_11_LENGTH_SSID 32 | |
119 | #define NDIS_802_11_LENGTH_RATES 8 | |
120 | #define NDIS_802_11_LENGTH_RATES_EX 16 | |
121 | ||
1e41e1d2 | 122 | enum ndis_80211_net_type { |
aa18294a JK |
123 | NDIS_80211_TYPE_FREQ_HOP, |
124 | NDIS_80211_TYPE_DIRECT_SEQ, | |
125 | NDIS_80211_TYPE_OFDM_A, | |
126 | NDIS_80211_TYPE_OFDM_G | |
1e41e1d2 JK |
127 | }; |
128 | ||
129 | enum ndis_80211_net_infra { | |
aa18294a JK |
130 | NDIS_80211_INFRA_ADHOC, |
131 | NDIS_80211_INFRA_INFRA, | |
132 | NDIS_80211_INFRA_AUTO_UNKNOWN | |
1e41e1d2 JK |
133 | }; |
134 | ||
135 | enum ndis_80211_auth_mode { | |
aa18294a JK |
136 | NDIS_80211_AUTH_OPEN, |
137 | NDIS_80211_AUTH_SHARED, | |
138 | NDIS_80211_AUTH_AUTO_SWITCH, | |
139 | NDIS_80211_AUTH_WPA, | |
140 | NDIS_80211_AUTH_WPA_PSK, | |
141 | NDIS_80211_AUTH_WPA_NONE, | |
142 | NDIS_80211_AUTH_WPA2, | |
143 | NDIS_80211_AUTH_WPA2_PSK | |
1e41e1d2 JK |
144 | }; |
145 | ||
146 | enum ndis_80211_encr_status { | |
aa18294a JK |
147 | NDIS_80211_ENCR_WEP_ENABLED, |
148 | NDIS_80211_ENCR_DISABLED, | |
149 | NDIS_80211_ENCR_WEP_KEY_ABSENT, | |
150 | NDIS_80211_ENCR_NOT_SUPPORTED, | |
151 | NDIS_80211_ENCR_TKIP_ENABLED, | |
152 | NDIS_80211_ENCR_TKIP_KEY_ABSENT, | |
153 | NDIS_80211_ENCR_CCMP_ENABLED, | |
154 | NDIS_80211_ENCR_CCMP_KEY_ABSENT | |
1e41e1d2 JK |
155 | }; |
156 | ||
157 | enum ndis_80211_priv_filter { | |
aa18294a JK |
158 | NDIS_80211_PRIV_ACCEPT_ALL, |
159 | NDIS_80211_PRIV_8021X_WEP | |
1e41e1d2 JK |
160 | }; |
161 | ||
030645ac JK |
162 | enum ndis_80211_status_type { |
163 | NDIS_80211_STATUSTYPE_AUTHENTICATION, | |
164 | NDIS_80211_STATUSTYPE_MEDIASTREAMMODE, | |
165 | NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST, | |
166 | NDIS_80211_STATUSTYPE_RADIOSTATE, | |
167 | }; | |
168 | ||
169 | enum ndis_80211_media_stream_mode { | |
170 | NDIS_80211_MEDIA_STREAM_OFF, | |
171 | NDIS_80211_MEDIA_STREAM_ON | |
172 | }; | |
173 | ||
174 | enum ndis_80211_radio_status { | |
175 | NDIS_80211_RADIO_STATUS_ON, | |
176 | NDIS_80211_RADIO_STATUS_HARDWARE_OFF, | |
177 | NDIS_80211_RADIO_STATUS_SOFTWARE_OFF, | |
178 | }; | |
179 | ||
b4703a2e | 180 | enum ndis_80211_addkey_bits { |
aa18294a JK |
181 | NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28), |
182 | NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29), | |
183 | NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30), | |
184 | NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31) | |
b4703a2e JK |
185 | }; |
186 | ||
187 | enum ndis_80211_addwep_bits { | |
aa18294a JK |
188 | NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30), |
189 | NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31) | |
b4703a2e JK |
190 | }; |
191 | ||
40d70dd1 JK |
192 | enum ndis_80211_power_mode { |
193 | NDIS_80211_POWER_MODE_CAM, | |
194 | NDIS_80211_POWER_MODE_MAX_PSP, | |
195 | NDIS_80211_POWER_MODE_FAST_PSP, | |
196 | }; | |
197 | ||
1c706875 JK |
198 | enum ndis_80211_pmkid_cand_list_flag_bits { |
199 | NDIS_80211_PMKID_CAND_PREAUTH = cpu_to_le32(1 << 0) | |
200 | }; | |
201 | ||
030645ac JK |
202 | struct ndis_80211_auth_request { |
203 | __le32 length; | |
204 | u8 bssid[6]; | |
205 | u8 padding[2]; | |
206 | __le32 flags; | |
ba2d3587 | 207 | } __packed; |
030645ac JK |
208 | |
209 | struct ndis_80211_pmkid_candidate { | |
210 | u8 bssid[6]; | |
211 | u8 padding[2]; | |
212 | __le32 flags; | |
ba2d3587 | 213 | } __packed; |
030645ac JK |
214 | |
215 | struct ndis_80211_pmkid_cand_list { | |
216 | __le32 version; | |
217 | __le32 num_candidates; | |
218 | struct ndis_80211_pmkid_candidate candidate_list[0]; | |
ba2d3587 | 219 | } __packed; |
030645ac JK |
220 | |
221 | struct ndis_80211_status_indication { | |
222 | __le32 status_type; | |
223 | union { | |
53d27eaf JK |
224 | __le32 media_stream_mode; |
225 | __le32 radio_status; | |
030645ac JK |
226 | struct ndis_80211_auth_request auth_request[0]; |
227 | struct ndis_80211_pmkid_cand_list cand_list; | |
228 | } u; | |
ba2d3587 | 229 | } __packed; |
030645ac | 230 | |
1e41e1d2 | 231 | struct ndis_80211_ssid { |
461b3f2a JK |
232 | __le32 length; |
233 | u8 essid[NDIS_802_11_LENGTH_SSID]; | |
ba2d3587 | 234 | } __packed; |
bf164cc0 | 235 | |
1e41e1d2 | 236 | struct ndis_80211_conf_freq_hop { |
461b3f2a JK |
237 | __le32 length; |
238 | __le32 hop_pattern; | |
239 | __le32 hop_set; | |
240 | __le32 dwell_time; | |
ba2d3587 | 241 | } __packed; |
bf164cc0 | 242 | |
1e41e1d2 | 243 | struct ndis_80211_conf { |
461b3f2a JK |
244 | __le32 length; |
245 | __le32 beacon_period; | |
246 | __le32 atim_window; | |
247 | __le32 ds_config; | |
248 | struct ndis_80211_conf_freq_hop fh_config; | |
ba2d3587 | 249 | } __packed; |
bf164cc0 | 250 | |
1e41e1d2 | 251 | struct ndis_80211_bssid_ex { |
461b3f2a JK |
252 | __le32 length; |
253 | u8 mac[6]; | |
254 | u8 padding[2]; | |
255 | struct ndis_80211_ssid ssid; | |
256 | __le32 privacy; | |
257 | __le32 rssi; | |
258 | __le32 net_type; | |
259 | struct ndis_80211_conf config; | |
260 | __le32 net_infra; | |
261 | u8 rates[NDIS_802_11_LENGTH_RATES_EX]; | |
262 | __le32 ie_length; | |
263 | u8 ies[0]; | |
ba2d3587 | 264 | } __packed; |
bf164cc0 | 265 | |
1e41e1d2 | 266 | struct ndis_80211_bssid_list_ex { |
461b3f2a JK |
267 | __le32 num_items; |
268 | struct ndis_80211_bssid_ex bssid[0]; | |
ba2d3587 | 269 | } __packed; |
bf164cc0 | 270 | |
1e41e1d2 | 271 | struct ndis_80211_fixed_ies { |
461b3f2a JK |
272 | u8 timestamp[8]; |
273 | __le16 beacon_interval; | |
274 | __le16 capabilities; | |
ba2d3587 | 275 | } __packed; |
bf164cc0 | 276 | |
1e41e1d2 | 277 | struct ndis_80211_wep_key { |
461b3f2a JK |
278 | __le32 size; |
279 | __le32 index; | |
280 | __le32 length; | |
281 | u8 material[32]; | |
ba2d3587 | 282 | } __packed; |
bf164cc0 | 283 | |
1e41e1d2 | 284 | struct ndis_80211_key { |
461b3f2a JK |
285 | __le32 size; |
286 | __le32 index; | |
287 | __le32 length; | |
288 | u8 bssid[6]; | |
289 | u8 padding[6]; | |
290 | u8 rsc[8]; | |
291 | u8 material[32]; | |
ba2d3587 | 292 | } __packed; |
bf164cc0 | 293 | |
1e41e1d2 | 294 | struct ndis_80211_remove_key { |
461b3f2a JK |
295 | __le32 size; |
296 | __le32 index; | |
297 | u8 bssid[6]; | |
9d40934e | 298 | u8 padding[2]; |
ba2d3587 | 299 | } __packed; |
bf164cc0 | 300 | |
1e41e1d2 | 301 | struct ndis_config_param { |
461b3f2a JK |
302 | __le32 name_offs; |
303 | __le32 name_length; | |
304 | __le32 type; | |
305 | __le32 value_offs; | |
306 | __le32 value_length; | |
ba2d3587 | 307 | } __packed; |
bf164cc0 | 308 | |
4364623c SA |
309 | struct ndis_80211_assoc_info { |
310 | __le32 length; | |
311 | __le16 req_ies; | |
312 | struct req_ie { | |
313 | __le16 capa; | |
314 | __le16 listen_interval; | |
315 | u8 cur_ap_address[6]; | |
316 | } req_ie; | |
317 | __le32 req_ie_length; | |
318 | __le32 offset_req_ies; | |
319 | __le16 resp_ies; | |
320 | struct resp_ie { | |
321 | __le16 capa; | |
322 | __le16 status_code; | |
323 | __le16 assoc_id; | |
324 | } resp_ie; | |
325 | __le32 resp_ie_length; | |
326 | __le32 offset_resp_ies; | |
ba2d3587 | 327 | } __packed; |
4364623c | 328 | |
0308383f JK |
329 | struct ndis_80211_auth_encr_pair { |
330 | __le32 auth_mode; | |
331 | __le32 encr_mode; | |
ba2d3587 | 332 | } __packed; |
0308383f JK |
333 | |
334 | struct ndis_80211_capability { | |
335 | __le32 length; | |
336 | __le32 version; | |
337 | __le32 num_pmkids; | |
338 | __le32 num_auth_encr_pair; | |
339 | struct ndis_80211_auth_encr_pair auth_encr_pair[0]; | |
ba2d3587 | 340 | } __packed; |
0308383f | 341 | |
5a7d0583 JK |
342 | struct ndis_80211_bssid_info { |
343 | u8 bssid[6]; | |
344 | u8 pmkid[16]; | |
30fd9073 | 345 | } __packed; |
5a7d0583 JK |
346 | |
347 | struct ndis_80211_pmkid { | |
348 | __le32 length; | |
349 | __le32 bssid_info_count; | |
350 | struct ndis_80211_bssid_info bssid_info[0]; | |
30fd9073 | 351 | } __packed; |
5a7d0583 | 352 | |
bf164cc0 JK |
353 | /* |
354 | * private data | |
355 | */ | |
bf164cc0 JK |
356 | #define CAP_MODE_80211A 1 |
357 | #define CAP_MODE_80211B 2 | |
358 | #define CAP_MODE_80211G 4 | |
359 | #define CAP_MODE_MASK 7 | |
bf164cc0 | 360 | |
6010ce07 JK |
361 | #define WORK_LINK_UP (1<<0) |
362 | #define WORK_LINK_DOWN (1<<1) | |
363 | #define WORK_SET_MULTICAST_LIST (1<<2) | |
bf164cc0 | 364 | |
5c52323e JK |
365 | #define RNDIS_WLAN_ALG_NONE 0 |
366 | #define RNDIS_WLAN_ALG_WEP (1<<0) | |
367 | #define RNDIS_WLAN_ALG_TKIP (1<<1) | |
368 | #define RNDIS_WLAN_ALG_CCMP (1<<2) | |
369 | ||
ec3cbb9c | 370 | #define RNDIS_WLAN_NUM_KEYS 4 |
5c52323e JK |
371 | #define RNDIS_WLAN_KEY_MGMT_NONE 0 |
372 | #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0) | |
373 | #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1) | |
374 | ||
90d07349 JK |
375 | #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) |
376 | ||
5c8fa4f7 JL |
377 | static const struct ieee80211_channel rndis_channels[] = { |
378 | { .center_freq = 2412 }, | |
379 | { .center_freq = 2417 }, | |
380 | { .center_freq = 2422 }, | |
381 | { .center_freq = 2427 }, | |
382 | { .center_freq = 2432 }, | |
383 | { .center_freq = 2437 }, | |
384 | { .center_freq = 2442 }, | |
385 | { .center_freq = 2447 }, | |
386 | { .center_freq = 2452 }, | |
387 | { .center_freq = 2457 }, | |
388 | { .center_freq = 2462 }, | |
389 | { .center_freq = 2467 }, | |
390 | { .center_freq = 2472 }, | |
391 | { .center_freq = 2484 }, | |
392 | }; | |
393 | ||
394 | static const struct ieee80211_rate rndis_rates[] = { | |
395 | { .bitrate = 10 }, | |
396 | { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
397 | { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
398 | { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
399 | { .bitrate = 60 }, | |
400 | { .bitrate = 90 }, | |
401 | { .bitrate = 120 }, | |
402 | { .bitrate = 180 }, | |
403 | { .bitrate = 240 }, | |
404 | { .bitrate = 360 }, | |
405 | { .bitrate = 480 }, | |
406 | { .bitrate = 540 } | |
407 | }; | |
408 | ||
4a7f13ee JK |
409 | static const u32 rndis_cipher_suites[] = { |
410 | WLAN_CIPHER_SUITE_WEP40, | |
411 | WLAN_CIPHER_SUITE_WEP104, | |
412 | WLAN_CIPHER_SUITE_TKIP, | |
413 | WLAN_CIPHER_SUITE_CCMP, | |
414 | }; | |
415 | ||
b7cfc5b3 JK |
416 | struct rndis_wlan_encr_key { |
417 | int len; | |
84bf8400 | 418 | u32 cipher; |
b7cfc5b3 JK |
419 | u8 material[32]; |
420 | u8 bssid[ETH_ALEN]; | |
421 | bool pairwise; | |
422 | bool tx_key; | |
423 | }; | |
424 | ||
bf164cc0 | 425 | /* RNDIS device private data */ |
582241a0 | 426 | struct rndis_wlan_private { |
bf164cc0 JK |
427 | struct usbnet *usbdev; |
428 | ||
5c8fa4f7 JL |
429 | struct wireless_dev wdev; |
430 | ||
71a7b26d JK |
431 | struct cfg80211_scan_request *scan_request; |
432 | ||
bf164cc0 | 433 | struct workqueue_struct *workqueue; |
305e243e | 434 | struct delayed_work dev_poller_work; |
71a7b26d | 435 | struct delayed_work scan_work; |
bf164cc0 JK |
436 | struct work_struct work; |
437 | struct mutex command_lock; | |
bf164cc0 | 438 | unsigned long work_pending; |
8b89a288 | 439 | int last_qual; |
49b35bd3 JK |
440 | s32 cqm_rssi_thold; |
441 | u32 cqm_rssi_hyst; | |
442 | int last_cqm_event_rssi; | |
bf164cc0 | 443 | |
5c8fa4f7 JL |
444 | struct ieee80211_supported_band band; |
445 | struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)]; | |
446 | struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)]; | |
4a7f13ee | 447 | u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)]; |
5c8fa4f7 | 448 | |
5cb56af2 | 449 | int device_type; |
bf164cc0 JK |
450 | int caps; |
451 | int multicast_size; | |
452 | ||
453 | /* module parameters */ | |
454 | char param_country[4]; | |
455 | int param_frameburst; | |
456 | int param_afterburner; | |
457 | int param_power_save; | |
458 | int param_power_output; | |
459 | int param_roamtrigger; | |
460 | int param_roamdelta; | |
461 | u32 param_workaround_interval; | |
462 | ||
463 | /* hardware state */ | |
051ae0bf | 464 | bool radio_on; |
40d70dd1 | 465 | int power_mode; |
bf164cc0 | 466 | int infra_mode; |
5c52323e | 467 | bool connected; |
8b89a288 | 468 | u8 bssid[ETH_ALEN]; |
470f16c8 | 469 | u32 current_command_oid; |
bf164cc0 JK |
470 | |
471 | /* encryption stuff */ | |
461bc26c | 472 | u8 encr_tx_key_index; |
ec3cbb9c | 473 | struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS]; |
bf164cc0 | 474 | int wpa_version; |
90d07349 JK |
475 | |
476 | u8 command_buffer[COMMAND_BUFFER_SIZE]; | |
bf164cc0 JK |
477 | }; |
478 | ||
964c1d41 JL |
479 | /* |
480 | * cfg80211 ops | |
481 | */ | |
e36d56b6 JB |
482 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
483 | struct net_device *dev, | |
964c1d41 JL |
484 | enum nl80211_iftype type, u32 *flags, |
485 | struct vif_params *params); | |
486 | ||
fd014284 | 487 | static int rndis_scan(struct wiphy *wiphy, |
71a7b26d JK |
488 | struct cfg80211_scan_request *request); |
489 | ||
d75ec2b7 JK |
490 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed); |
491 | ||
fa61cf70 JO |
492 | static int rndis_set_tx_power(struct wiphy *wiphy, |
493 | enum nl80211_tx_power_setting type, | |
494 | int mbm); | |
222ec50a JK |
495 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm); |
496 | ||
5c52323e JK |
497 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
498 | struct cfg80211_connect_params *sme); | |
499 | ||
500 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
501 | u16 reason_code); | |
502 | ||
503 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
504 | struct cfg80211_ibss_params *params); | |
505 | ||
506 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev); | |
507 | ||
84bf8400 | 508 | static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
e31b8213 JB |
509 | u8 key_index, bool pairwise, const u8 *mac_addr, |
510 | struct key_params *params); | |
84bf8400 JK |
511 | |
512 | static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
e31b8213 | 513 | u8 key_index, bool pairwise, const u8 *mac_addr); |
84bf8400 JK |
514 | |
515 | static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
dbd2fd65 | 516 | u8 key_index, bool unicast, bool multicast); |
84bf8400 | 517 | |
8b89a288 JK |
518 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, |
519 | u8 *mac, struct station_info *sinfo); | |
520 | ||
d695df90 JK |
521 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
522 | int idx, u8 *mac, struct station_info *sinfo); | |
523 | ||
5a7d0583 JK |
524 | static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, |
525 | struct cfg80211_pmksa *pmksa); | |
526 | ||
527 | static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
528 | struct cfg80211_pmksa *pmksa); | |
529 | ||
530 | static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev); | |
531 | ||
40d70dd1 JK |
532 | static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
533 | bool enabled, int timeout); | |
534 | ||
49b35bd3 JK |
535 | static int rndis_set_cqm_rssi_config(struct wiphy *wiphy, |
536 | struct net_device *dev, | |
537 | s32 rssi_thold, u32 rssi_hyst); | |
538 | ||
c2aa4132 | 539 | static const struct cfg80211_ops rndis_config_ops = { |
964c1d41 | 540 | .change_virtual_intf = rndis_change_virtual_intf, |
71a7b26d | 541 | .scan = rndis_scan, |
d75ec2b7 | 542 | .set_wiphy_params = rndis_set_wiphy_params, |
222ec50a JK |
543 | .set_tx_power = rndis_set_tx_power, |
544 | .get_tx_power = rndis_get_tx_power, | |
5c52323e JK |
545 | .connect = rndis_connect, |
546 | .disconnect = rndis_disconnect, | |
547 | .join_ibss = rndis_join_ibss, | |
548 | .leave_ibss = rndis_leave_ibss, | |
84bf8400 JK |
549 | .add_key = rndis_add_key, |
550 | .del_key = rndis_del_key, | |
551 | .set_default_key = rndis_set_default_key, | |
8b89a288 | 552 | .get_station = rndis_get_station, |
d695df90 | 553 | .dump_station = rndis_dump_station, |
5a7d0583 JK |
554 | .set_pmksa = rndis_set_pmksa, |
555 | .del_pmksa = rndis_del_pmksa, | |
556 | .flush_pmksa = rndis_flush_pmksa, | |
40d70dd1 | 557 | .set_power_mgmt = rndis_set_power_mgmt, |
49b35bd3 | 558 | .set_cqm_rssi_config = rndis_set_cqm_rssi_config, |
964c1d41 | 559 | }; |
bf164cc0 | 560 | |
caa6dfad | 561 | static void *rndis_wiphy_privid = &rndis_wiphy_privid; |
bf164cc0 | 562 | |
bf164cc0 | 563 | |
582241a0 | 564 | static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev) |
bf164cc0 | 565 | { |
582241a0 | 566 | return (struct rndis_wlan_private *)dev->driver_priv; |
bf164cc0 JK |
567 | } |
568 | ||
222ec50a | 569 | static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv) |
bf164cc0 | 570 | { |
222ec50a JK |
571 | switch (priv->param_power_output) { |
572 | default: | |
573 | case 3: | |
574 | return BCM4320_DEFAULT_TXPOWER_DBM_100; | |
575 | case 2: | |
576 | return BCM4320_DEFAULT_TXPOWER_DBM_75; | |
577 | case 1: | |
578 | return BCM4320_DEFAULT_TXPOWER_DBM_50; | |
579 | case 0: | |
580 | return BCM4320_DEFAULT_TXPOWER_DBM_25; | |
581 | } | |
bf164cc0 JK |
582 | } |
583 | ||
461bc26c | 584 | static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx) |
b7cfc5b3 JK |
585 | { |
586 | int cipher = priv->encr_keys[idx].cipher; | |
587 | ||
588 | return (cipher == WLAN_CIPHER_SUITE_CCMP || | |
589 | cipher == WLAN_CIPHER_SUITE_TKIP); | |
590 | } | |
591 | ||
5c52323e JK |
592 | static int rndis_cipher_to_alg(u32 cipher) |
593 | { | |
594 | switch (cipher) { | |
595 | default: | |
596 | return RNDIS_WLAN_ALG_NONE; | |
597 | case WLAN_CIPHER_SUITE_WEP40: | |
598 | case WLAN_CIPHER_SUITE_WEP104: | |
599 | return RNDIS_WLAN_ALG_WEP; | |
600 | case WLAN_CIPHER_SUITE_TKIP: | |
601 | return RNDIS_WLAN_ALG_TKIP; | |
602 | case WLAN_CIPHER_SUITE_CCMP: | |
603 | return RNDIS_WLAN_ALG_CCMP; | |
604 | } | |
605 | } | |
606 | ||
607 | static int rndis_akm_suite_to_key_mgmt(u32 akm_suite) | |
608 | { | |
609 | switch (akm_suite) { | |
610 | default: | |
611 | return RNDIS_WLAN_KEY_MGMT_NONE; | |
612 | case WLAN_AKM_SUITE_8021X: | |
613 | return RNDIS_WLAN_KEY_MGMT_802_1X; | |
614 | case WLAN_AKM_SUITE_PSK: | |
615 | return RNDIS_WLAN_KEY_MGMT_PSK; | |
616 | } | |
617 | } | |
618 | ||
27b7b5c1 | 619 | #ifdef DEBUG |
470f16c8 | 620 | static const char *oid_to_string(u32 oid) |
27b7b5c1 | 621 | { |
470f16c8 | 622 | switch (oid) { |
117599e0 | 623 | #define OID_STR(oid) case oid: return(#oid) |
27b7b5c1 | 624 | /* from rndis_host.h */ |
8cdddc3f LW |
625 | OID_STR(RNDIS_OID_802_3_PERMANENT_ADDRESS); |
626 | OID_STR(RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE); | |
627 | OID_STR(RNDIS_OID_GEN_CURRENT_PACKET_FILTER); | |
628 | OID_STR(RNDIS_OID_GEN_PHYSICAL_MEDIUM); | |
27b7b5c1 JK |
629 | |
630 | /* from rndis_wlan.c */ | |
8cdddc3f LW |
631 | OID_STR(RNDIS_OID_GEN_LINK_SPEED); |
632 | OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER); | |
27b7b5c1 | 633 | |
8cdddc3f LW |
634 | OID_STR(RNDIS_OID_GEN_XMIT_OK); |
635 | OID_STR(RNDIS_OID_GEN_RCV_OK); | |
636 | OID_STR(RNDIS_OID_GEN_XMIT_ERROR); | |
637 | OID_STR(RNDIS_OID_GEN_RCV_ERROR); | |
638 | OID_STR(RNDIS_OID_GEN_RCV_NO_BUFFER); | |
27b7b5c1 | 639 | |
4cc6c4d5 LW |
640 | OID_STR(RNDIS_OID_802_3_CURRENT_ADDRESS); |
641 | OID_STR(RNDIS_OID_802_3_MULTICAST_LIST); | |
642 | OID_STR(RNDIS_OID_802_3_MAXIMUM_LIST_SIZE); | |
643 | ||
644 | OID_STR(RNDIS_OID_802_11_BSSID); | |
645 | OID_STR(RNDIS_OID_802_11_SSID); | |
646 | OID_STR(RNDIS_OID_802_11_INFRASTRUCTURE_MODE); | |
647 | OID_STR(RNDIS_OID_802_11_ADD_WEP); | |
648 | OID_STR(RNDIS_OID_802_11_REMOVE_WEP); | |
649 | OID_STR(RNDIS_OID_802_11_DISASSOCIATE); | |
650 | OID_STR(RNDIS_OID_802_11_AUTHENTICATION_MODE); | |
651 | OID_STR(RNDIS_OID_802_11_PRIVACY_FILTER); | |
652 | OID_STR(RNDIS_OID_802_11_BSSID_LIST_SCAN); | |
653 | OID_STR(RNDIS_OID_802_11_ENCRYPTION_STATUS); | |
654 | OID_STR(RNDIS_OID_802_11_ADD_KEY); | |
655 | OID_STR(RNDIS_OID_802_11_REMOVE_KEY); | |
656 | OID_STR(RNDIS_OID_802_11_ASSOCIATION_INFORMATION); | |
657 | OID_STR(RNDIS_OID_802_11_CAPABILITY); | |
658 | OID_STR(RNDIS_OID_802_11_PMKID); | |
659 | OID_STR(RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED); | |
660 | OID_STR(RNDIS_OID_802_11_NETWORK_TYPE_IN_USE); | |
661 | OID_STR(RNDIS_OID_802_11_TX_POWER_LEVEL); | |
662 | OID_STR(RNDIS_OID_802_11_RSSI); | |
663 | OID_STR(RNDIS_OID_802_11_RSSI_TRIGGER); | |
664 | OID_STR(RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD); | |
665 | OID_STR(RNDIS_OID_802_11_RTS_THRESHOLD); | |
666 | OID_STR(RNDIS_OID_802_11_SUPPORTED_RATES); | |
667 | OID_STR(RNDIS_OID_802_11_CONFIGURATION); | |
668 | OID_STR(RNDIS_OID_802_11_POWER_MODE); | |
669 | OID_STR(RNDIS_OID_802_11_BSSID_LIST); | |
27b7b5c1 JK |
670 | #undef OID_STR |
671 | } | |
672 | ||
673 | return "?"; | |
674 | } | |
675 | #else | |
470f16c8 | 676 | static const char *oid_to_string(u32 oid) |
27b7b5c1 JK |
677 | { |
678 | return "?"; | |
679 | } | |
680 | #endif | |
681 | ||
bf164cc0 JK |
682 | /* translate error code */ |
683 | static int rndis_error_status(__le32 rndis_status) | |
684 | { | |
685 | int ret = -EINVAL; | |
117599e0 JK |
686 | switch (le32_to_cpu(rndis_status)) { |
687 | case RNDIS_STATUS_SUCCESS: | |
bf164cc0 JK |
688 | ret = 0; |
689 | break; | |
117599e0 JK |
690 | case RNDIS_STATUS_FAILURE: |
691 | case RNDIS_STATUS_INVALID_DATA: | |
bf164cc0 JK |
692 | ret = -EINVAL; |
693 | break; | |
117599e0 | 694 | case RNDIS_STATUS_NOT_SUPPORTED: |
bf164cc0 JK |
695 | ret = -EOPNOTSUPP; |
696 | break; | |
117599e0 JK |
697 | case RNDIS_STATUS_ADAPTER_NOT_READY: |
698 | case RNDIS_STATUS_ADAPTER_NOT_OPEN: | |
bf164cc0 JK |
699 | ret = -EBUSY; |
700 | break; | |
701 | } | |
702 | return ret; | |
703 | } | |
704 | ||
470f16c8 | 705 | static int rndis_query_oid(struct usbnet *dev, u32 oid, void *data, int *len) |
bf164cc0 | 706 | { |
582241a0 | 707 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
708 | union { |
709 | void *buf; | |
710 | struct rndis_msg_hdr *header; | |
711 | struct rndis_query *get; | |
712 | struct rndis_query_c *get_c; | |
713 | } u; | |
714 | int ret, buflen; | |
80f8c5b4 | 715 | int resplen, respoffs, copylen; |
bf164cc0 JK |
716 | |
717 | buflen = *len + sizeof(*u.get); | |
718 | if (buflen < CONTROL_BUFFER_SIZE) | |
719 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
720 | |
721 | if (buflen > COMMAND_BUFFER_SIZE) { | |
722 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
723 | if (!u.buf) | |
724 | return -ENOMEM; | |
725 | } else { | |
726 | u.buf = priv->command_buffer; | |
727 | } | |
728 | ||
729 | mutex_lock(&priv->command_lock); | |
730 | ||
bf164cc0 | 731 | memset(u.get, 0, sizeof *u.get); |
7390e8b0 | 732 | u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY); |
35c26c2c | 733 | u.get->msg_len = cpu_to_le32(sizeof *u.get); |
470f16c8 | 734 | u.get->oid = cpu_to_le32(oid); |
bf164cc0 | 735 | |
5f81ff5a | 736 | priv->current_command_oid = oid; |
818727ba | 737 | ret = rndis_command(dev, u.header, buflen); |
5f81ff5a | 738 | priv->current_command_oid = 0; |
27b7b5c1 | 739 | if (ret < 0) |
60b86755 JP |
740 | netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", |
741 | __func__, oid_to_string(oid), ret, | |
742 | le32_to_cpu(u.get_c->status)); | |
27b7b5c1 | 743 | |
bf164cc0 | 744 | if (ret == 0) { |
80f8c5b4 JK |
745 | resplen = le32_to_cpu(u.get_c->len); |
746 | respoffs = le32_to_cpu(u.get_c->offset) + 8; | |
c1f8ca1d | 747 | |
80f8c5b4 JK |
748 | if (respoffs > buflen) { |
749 | /* Device returned data offset outside buffer, error. */ | |
750 | netdev_dbg(dev->net, "%s(%s): received invalid " | |
751 | "data offset: %d > %d\n", __func__, | |
752 | oid_to_string(oid), respoffs, buflen); | |
c1f8ca1d | 753 | |
80f8c5b4 JK |
754 | ret = -EINVAL; |
755 | goto exit_unlock; | |
756 | } | |
757 | ||
758 | if ((resplen + respoffs) > buflen) { | |
759 | /* Device would have returned more data if buffer would | |
760 | * have been big enough. Copy just the bits that we got. | |
761 | */ | |
762 | copylen = buflen - respoffs; | |
763 | } else { | |
764 | copylen = resplen; | |
765 | } | |
766 | ||
767 | if (copylen > *len) | |
768 | copylen = *len; | |
769 | ||
770 | memcpy(data, u.buf + respoffs, copylen); | |
771 | ||
772 | *len = resplen; | |
27b7b5c1 | 773 | |
c1f8ca1d | 774 | ret = rndis_error_status(u.get_c->status); |
27b7b5c1 | 775 | if (ret < 0) |
60b86755 JP |
776 | netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", |
777 | __func__, oid_to_string(oid), | |
778 | le32_to_cpu(u.get_c->status), ret); | |
bf164cc0 JK |
779 | } |
780 | ||
80f8c5b4 | 781 | exit_unlock: |
90d07349 JK |
782 | mutex_unlock(&priv->command_lock); |
783 | ||
784 | if (u.buf != priv->command_buffer) | |
785 | kfree(u.buf); | |
bf164cc0 JK |
786 | return ret; |
787 | } | |
788 | ||
470f16c8 | 789 | static int rndis_set_oid(struct usbnet *dev, u32 oid, const void *data, |
22288a58 | 790 | int len) |
bf164cc0 | 791 | { |
582241a0 | 792 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
793 | union { |
794 | void *buf; | |
795 | struct rndis_msg_hdr *header; | |
796 | struct rndis_set *set; | |
797 | struct rndis_set_c *set_c; | |
798 | } u; | |
799 | int ret, buflen; | |
800 | ||
801 | buflen = len + sizeof(*u.set); | |
802 | if (buflen < CONTROL_BUFFER_SIZE) | |
803 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
804 | |
805 | if (buflen > COMMAND_BUFFER_SIZE) { | |
806 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
807 | if (!u.buf) | |
808 | return -ENOMEM; | |
809 | } else { | |
810 | u.buf = priv->command_buffer; | |
811 | } | |
812 | ||
813 | mutex_lock(&priv->command_lock); | |
bf164cc0 JK |
814 | |
815 | memset(u.set, 0, sizeof *u.set); | |
7390e8b0 | 816 | u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET); |
bf164cc0 | 817 | u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); |
470f16c8 | 818 | u.set->oid = cpu_to_le32(oid); |
bf164cc0 | 819 | u.set->len = cpu_to_le32(len); |
35c26c2c HH |
820 | u.set->offset = cpu_to_le32(sizeof(*u.set) - 8); |
821 | u.set->handle = cpu_to_le32(0); | |
bf164cc0 JK |
822 | memcpy(u.buf + sizeof(*u.set), data, len); |
823 | ||
5f81ff5a | 824 | priv->current_command_oid = oid; |
818727ba | 825 | ret = rndis_command(dev, u.header, buflen); |
5f81ff5a | 826 | priv->current_command_oid = 0; |
27b7b5c1 | 827 | if (ret < 0) |
60b86755 JP |
828 | netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", |
829 | __func__, oid_to_string(oid), ret, | |
830 | le32_to_cpu(u.set_c->status)); | |
27b7b5c1 JK |
831 | |
832 | if (ret == 0) { | |
bf164cc0 JK |
833 | ret = rndis_error_status(u.set_c->status); |
834 | ||
27b7b5c1 | 835 | if (ret < 0) |
60b86755 JP |
836 | netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", |
837 | __func__, oid_to_string(oid), | |
838 | le32_to_cpu(u.set_c->status), ret); | |
27b7b5c1 JK |
839 | } |
840 | ||
90d07349 JK |
841 | mutex_unlock(&priv->command_lock); |
842 | ||
843 | if (u.buf != priv->command_buffer) | |
844 | kfree(u.buf); | |
bf164cc0 JK |
845 | return ret; |
846 | } | |
847 | ||
7eaab708 JK |
848 | static int rndis_reset(struct usbnet *usbdev) |
849 | { | |
850 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
851 | struct rndis_reset *reset; | |
852 | int ret; | |
853 | ||
854 | mutex_lock(&priv->command_lock); | |
855 | ||
856 | reset = (void *)priv->command_buffer; | |
857 | memset(reset, 0, sizeof(*reset)); | |
7390e8b0 | 858 | reset->msg_type = cpu_to_le32(RNDIS_MSG_RESET); |
7eaab708 | 859 | reset->msg_len = cpu_to_le32(sizeof(*reset)); |
5f81ff5a | 860 | priv->current_command_oid = 0; |
7eaab708 JK |
861 | ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE); |
862 | ||
863 | mutex_unlock(&priv->command_lock); | |
864 | ||
865 | if (ret < 0) | |
866 | return ret; | |
867 | return 0; | |
868 | } | |
869 | ||
bf164cc0 JK |
870 | /* |
871 | * Specs say that we can only set config parameters only soon after device | |
872 | * initialization. | |
873 | * value_type: 0 = u32, 2 = unicode string | |
874 | */ | |
875 | static int rndis_set_config_parameter(struct usbnet *dev, char *param, | |
876 | int value_type, void *value) | |
877 | { | |
1e41e1d2 | 878 | struct ndis_config_param *infobuf; |
bf164cc0 JK |
879 | int value_len, info_len, param_len, ret, i; |
880 | __le16 *unibuf; | |
881 | __le32 *dst_value; | |
882 | ||
883 | if (value_type == 0) | |
884 | value_len = sizeof(__le32); | |
885 | else if (value_type == 2) | |
886 | value_len = strlen(value) * sizeof(__le16); | |
887 | else | |
888 | return -EINVAL; | |
889 | ||
890 | param_len = strlen(param) * sizeof(__le16); | |
891 | info_len = sizeof(*infobuf) + param_len + value_len; | |
892 | ||
893 | #ifdef DEBUG | |
894 | info_len += 12; | |
895 | #endif | |
896 | infobuf = kmalloc(info_len, GFP_KERNEL); | |
897 | if (!infobuf) | |
898 | return -ENOMEM; | |
899 | ||
900 | #ifdef DEBUG | |
901 | info_len -= 12; | |
902 | /* extra 12 bytes are for padding (debug output) */ | |
903 | memset(infobuf, 0xCC, info_len + 12); | |
904 | #endif | |
905 | ||
906 | if (value_type == 2) | |
60b86755 JP |
907 | netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n", |
908 | param, (u8 *)value); | |
bf164cc0 | 909 | else |
60b86755 JP |
910 | netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n", |
911 | param, *(u32 *)value); | |
bf164cc0 | 912 | |
461b3f2a JK |
913 | infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); |
914 | infobuf->name_length = cpu_to_le32(param_len); | |
915 | infobuf->type = cpu_to_le32(value_type); | |
916 | infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); | |
917 | infobuf->value_length = cpu_to_le32(value_len); | |
bf164cc0 JK |
918 | |
919 | /* simple string to unicode string conversion */ | |
920 | unibuf = (void *)infobuf + sizeof(*infobuf); | |
921 | for (i = 0; i < param_len / sizeof(__le16); i++) | |
922 | unibuf[i] = cpu_to_le16(param[i]); | |
923 | ||
924 | if (value_type == 2) { | |
925 | unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; | |
926 | for (i = 0; i < value_len / sizeof(__le16); i++) | |
927 | unibuf[i] = cpu_to_le16(((u8 *)value)[i]); | |
928 | } else { | |
929 | dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; | |
930 | *dst_value = cpu_to_le32(*(u32 *)value); | |
931 | } | |
932 | ||
933 | #ifdef DEBUG | |
60b86755 | 934 | netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len); |
bf164cc0 JK |
935 | for (i = 0; i < info_len; i += 12) { |
936 | u32 *tmp = (u32 *)((u8 *)infobuf + i); | |
60b86755 JP |
937 | netdev_dbg(dev->net, "%08X:%08X:%08X\n", |
938 | cpu_to_be32(tmp[0]), | |
939 | cpu_to_be32(tmp[1]), | |
940 | cpu_to_be32(tmp[2])); | |
bf164cc0 JK |
941 | } |
942 | #endif | |
943 | ||
470f16c8 | 944 | ret = rndis_set_oid(dev, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER, |
bf164cc0 JK |
945 | infobuf, info_len); |
946 | if (ret != 0) | |
60b86755 JP |
947 | netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n", |
948 | ret); | |
bf164cc0 JK |
949 | |
950 | kfree(infobuf); | |
951 | return ret; | |
952 | } | |
953 | ||
954 | static int rndis_set_config_parameter_str(struct usbnet *dev, | |
955 | char *param, char *value) | |
956 | { | |
c5c4fe90 | 957 | return rndis_set_config_parameter(dev, param, 2, value); |
bf164cc0 JK |
958 | } |
959 | ||
bf164cc0 JK |
960 | /* |
961 | * data conversion functions | |
962 | */ | |
963 | static int level_to_qual(int level) | |
964 | { | |
965 | int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); | |
966 | return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; | |
967 | } | |
968 | ||
bf164cc0 JK |
969 | /* |
970 | * common functions | |
971 | */ | |
9f77ccab | 972 | static int set_infra_mode(struct usbnet *usbdev, int mode); |
b7cfc5b3 | 973 | static void restore_keys(struct usbnet *usbdev); |
b5257c95 JK |
974 | static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid, |
975 | bool *matched); | |
bf164cc0 | 976 | |
5cb56af2 JK |
977 | static int rndis_start_bssid_list_scan(struct usbnet *usbdev) |
978 | { | |
979 | __le32 tmp; | |
980 | ||
4cc6c4d5 | 981 | /* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */ |
5cb56af2 | 982 | tmp = cpu_to_le32(1); |
470f16c8 | 983 | return rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST_SCAN, &tmp, |
5cb56af2 JK |
984 | sizeof(tmp)); |
985 | } | |
986 | ||
1e41e1d2 | 987 | static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 | 988 | { |
582241a0 | 989 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
990 | int ret; |
991 | ||
470f16c8 | 992 | ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_SSID, |
4cc6c4d5 | 993 | ssid, sizeof(*ssid)); |
5c52323e | 994 | if (ret < 0) { |
60b86755 | 995 | netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret); |
5c52323e JK |
996 | return ret; |
997 | } | |
bf164cc0 | 998 | if (ret == 0) { |
051ae0bf | 999 | priv->radio_on = true; |
60b86755 | 1000 | netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__); |
bf164cc0 JK |
1001 | } |
1002 | ||
1003 | return ret; | |
1004 | } | |
1005 | ||
22288a58 | 1006 | static int set_bssid(struct usbnet *usbdev, const u8 *bssid) |
5c52323e JK |
1007 | { |
1008 | int ret; | |
1009 | ||
470f16c8 | 1010 | ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID, |
4cc6c4d5 | 1011 | bssid, ETH_ALEN); |
5c52323e | 1012 | if (ret < 0) { |
60b86755 JP |
1013 | netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n", |
1014 | bssid, ret); | |
5c52323e JK |
1015 | return ret; |
1016 | } | |
1017 | ||
1018 | return ret; | |
1019 | } | |
1020 | ||
1021 | static int clear_bssid(struct usbnet *usbdev) | |
1022 | { | |
22288a58 JP |
1023 | static const u8 broadcast_mac[ETH_ALEN] = { |
1024 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
1025 | }; | |
5c52323e JK |
1026 | |
1027 | return set_bssid(usbdev, broadcast_mac); | |
1028 | } | |
bf164cc0 JK |
1029 | |
1030 | static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) | |
1031 | { | |
1032 | int ret, len; | |
1033 | ||
1034 | len = ETH_ALEN; | |
470f16c8 | 1035 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID, |
4cc6c4d5 | 1036 | bssid, &len); |
bf164cc0 JK |
1037 | |
1038 | if (ret != 0) | |
1039 | memset(bssid, 0, ETH_ALEN); | |
1040 | ||
1041 | return ret; | |
1042 | } | |
1043 | ||
4364623c SA |
1044 | static int get_association_info(struct usbnet *usbdev, |
1045 | struct ndis_80211_assoc_info *info, int len) | |
1046 | { | |
4cc6c4d5 | 1047 | return rndis_query_oid(usbdev, |
470f16c8 | 1048 | RNDIS_OID_802_11_ASSOCIATION_INFORMATION, |
4cc6c4d5 | 1049 | info, &len); |
4364623c | 1050 | } |
bf164cc0 | 1051 | |
5c52323e | 1052 | static bool is_associated(struct usbnet *usbdev) |
bf164cc0 | 1053 | { |
5c52323e | 1054 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1055 | u8 bssid[ETH_ALEN]; |
1056 | int ret; | |
1057 | ||
5c52323e JK |
1058 | if (!priv->radio_on) |
1059 | return false; | |
1060 | ||
bf164cc0 JK |
1061 | ret = get_bssid(usbdev, bssid); |
1062 | ||
7b1fff99 | 1063 | return (ret == 0 && !is_zero_ether_addr(bssid)); |
bf164cc0 JK |
1064 | } |
1065 | ||
051ae0bf | 1066 | static int disassociate(struct usbnet *usbdev, bool reset_ssid) |
bf164cc0 | 1067 | { |
582241a0 | 1068 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1069 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
1070 | int i, ret = 0; |
1071 | ||
1072 | if (priv->radio_on) { | |
4cc6c4d5 | 1073 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1074 | RNDIS_OID_802_11_DISASSOCIATE, |
4cc6c4d5 | 1075 | NULL, 0); |
bf164cc0 | 1076 | if (ret == 0) { |
051ae0bf | 1077 | priv->radio_on = false; |
60b86755 JP |
1078 | netdev_dbg(usbdev->net, "%s(): radio_on = false\n", |
1079 | __func__); | |
bf164cc0 JK |
1080 | |
1081 | if (reset_ssid) | |
1082 | msleep(100); | |
1083 | } | |
1084 | } | |
1085 | ||
1086 | /* disassociate causes radio to be turned off; if reset_ssid | |
1087 | * is given, set random ssid to enable radio */ | |
1088 | if (reset_ssid) { | |
9f77ccab JK |
1089 | /* Set device to infrastructure mode so we don't get ad-hoc |
1090 | * 'media connect' indications with the random ssid. | |
1091 | */ | |
1092 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
1093 | ||
461b3f2a JK |
1094 | ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
1095 | get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); | |
1096 | ssid.essid[0] = 0x1; | |
1097 | ssid.essid[1] = 0xff; | |
1098 | for (i = 2; i < sizeof(ssid.essid); i++) | |
1099 | ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); | |
bf164cc0 JK |
1100 | ret = set_essid(usbdev, &ssid); |
1101 | } | |
1102 | return ret; | |
1103 | } | |
1104 | ||
5c52323e JK |
1105 | static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version, |
1106 | enum nl80211_auth_type auth_type, int keymgmt) | |
bf164cc0 | 1107 | { |
582241a0 | 1108 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1109 | __le32 tmp; |
1110 | int auth_mode, ret; | |
1111 | ||
60b86755 JP |
1112 | netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n", |
1113 | __func__, wpa_version, auth_type, keymgmt); | |
bf164cc0 | 1114 | |
5c52323e JK |
1115 | if (wpa_version & NL80211_WPA_VERSION_2) { |
1116 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1117 | auth_mode = NDIS_80211_AUTH_WPA2; |
bf164cc0 | 1118 | else |
aa18294a | 1119 | auth_mode = NDIS_80211_AUTH_WPA2_PSK; |
5c52323e JK |
1120 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
1121 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1122 | auth_mode = NDIS_80211_AUTH_WPA; |
5c52323e | 1123 | else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK) |
aa18294a | 1124 | auth_mode = NDIS_80211_AUTH_WPA_PSK; |
bf164cc0 | 1125 | else |
aa18294a | 1126 | auth_mode = NDIS_80211_AUTH_WPA_NONE; |
5c52323e JK |
1127 | } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
1128 | auth_mode = NDIS_80211_AUTH_SHARED; | |
1129 | else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) | |
aa18294a | 1130 | auth_mode = NDIS_80211_AUTH_OPEN; |
634a555c JK |
1131 | else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC) |
1132 | auth_mode = NDIS_80211_AUTH_AUTO_SWITCH; | |
5c52323e JK |
1133 | else |
1134 | return -ENOTSUPP; | |
bf164cc0 JK |
1135 | |
1136 | tmp = cpu_to_le32(auth_mode); | |
4cc6c4d5 | 1137 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1138 | RNDIS_OID_802_11_AUTHENTICATION_MODE, |
4cc6c4d5 | 1139 | &tmp, sizeof(tmp)); |
bf164cc0 | 1140 | if (ret != 0) { |
60b86755 JP |
1141 | netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n", |
1142 | ret); | |
bf164cc0 JK |
1143 | return ret; |
1144 | } | |
1145 | ||
1146 | priv->wpa_version = wpa_version; | |
5c52323e | 1147 | |
bf164cc0 JK |
1148 | return 0; |
1149 | } | |
1150 | ||
bf164cc0 JK |
1151 | static int set_priv_filter(struct usbnet *usbdev) |
1152 | { | |
582241a0 | 1153 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1154 | __le32 tmp; |
1155 | ||
60b86755 JP |
1156 | netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n", |
1157 | __func__, priv->wpa_version); | |
bf164cc0 | 1158 | |
5c52323e JK |
1159 | if (priv->wpa_version & NL80211_WPA_VERSION_2 || |
1160 | priv->wpa_version & NL80211_WPA_VERSION_1) | |
aa18294a | 1161 | tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP); |
bf164cc0 | 1162 | else |
aa18294a | 1163 | tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL); |
bf164cc0 | 1164 | |
4cc6c4d5 | 1165 | return rndis_set_oid(usbdev, |
470f16c8 | 1166 | RNDIS_OID_802_11_PRIVACY_FILTER, &tmp, |
4cc6c4d5 | 1167 | sizeof(tmp)); |
bf164cc0 JK |
1168 | } |
1169 | ||
bf164cc0 JK |
1170 | static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) |
1171 | { | |
bf164cc0 JK |
1172 | __le32 tmp; |
1173 | int encr_mode, ret; | |
1174 | ||
60b86755 JP |
1175 | netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n", |
1176 | __func__, pairwise, groupwise); | |
bf164cc0 | 1177 | |
5c52323e | 1178 | if (pairwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1179 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1180 | else if (pairwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1181 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
5c52323e | 1182 | else if (pairwise & RNDIS_WLAN_ALG_WEP) |
aa18294a | 1183 | encr_mode = NDIS_80211_ENCR_WEP_ENABLED; |
5c52323e | 1184 | else if (groupwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1185 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1186 | else if (groupwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1187 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
bf164cc0 | 1188 | else |
aa18294a | 1189 | encr_mode = NDIS_80211_ENCR_DISABLED; |
bf164cc0 JK |
1190 | |
1191 | tmp = cpu_to_le32(encr_mode); | |
4cc6c4d5 | 1192 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1193 | RNDIS_OID_802_11_ENCRYPTION_STATUS, &tmp, |
4cc6c4d5 | 1194 | sizeof(tmp)); |
bf164cc0 | 1195 | if (ret != 0) { |
60b86755 JP |
1196 | netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n", |
1197 | ret); | |
bf164cc0 JK |
1198 | return ret; |
1199 | } | |
1200 | ||
bf164cc0 JK |
1201 | return 0; |
1202 | } | |
1203 | ||
bf164cc0 JK |
1204 | static int set_infra_mode(struct usbnet *usbdev, int mode) |
1205 | { | |
582241a0 | 1206 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 1207 | __le32 tmp; |
b7cfc5b3 | 1208 | int ret; |
bf164cc0 | 1209 | |
60b86755 JP |
1210 | netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n", |
1211 | __func__, priv->infra_mode); | |
bf164cc0 JK |
1212 | |
1213 | tmp = cpu_to_le32(mode); | |
4cc6c4d5 | 1214 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1215 | RNDIS_OID_802_11_INFRASTRUCTURE_MODE, |
4cc6c4d5 | 1216 | &tmp, sizeof(tmp)); |
bf164cc0 | 1217 | if (ret != 0) { |
60b86755 JP |
1218 | netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n", |
1219 | ret); | |
bf164cc0 JK |
1220 | return ret; |
1221 | } | |
1222 | ||
1223 | /* NDIS drivers clear keys when infrastructure mode is | |
1224 | * changed. But Linux tools assume otherwise. So set the | |
1225 | * keys */ | |
b7cfc5b3 | 1226 | restore_keys(usbdev); |
bf164cc0 JK |
1227 | |
1228 | priv->infra_mode = mode; | |
1229 | return 0; | |
1230 | } | |
1231 | ||
d75ec2b7 JK |
1232 | static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) |
1233 | { | |
1234 | __le32 tmp; | |
1235 | ||
60b86755 | 1236 | netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); |
d75ec2b7 JK |
1237 | |
1238 | if (rts_threshold < 0 || rts_threshold > 2347) | |
1239 | rts_threshold = 2347; | |
1240 | ||
1241 | tmp = cpu_to_le32(rts_threshold); | |
4cc6c4d5 | 1242 | return rndis_set_oid(usbdev, |
470f16c8 | 1243 | RNDIS_OID_802_11_RTS_THRESHOLD, |
4cc6c4d5 | 1244 | &tmp, sizeof(tmp)); |
d75ec2b7 JK |
1245 | } |
1246 | ||
d75ec2b7 JK |
1247 | static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold) |
1248 | { | |
1249 | __le32 tmp; | |
1250 | ||
60b86755 | 1251 | netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold); |
d75ec2b7 JK |
1252 | |
1253 | if (frag_threshold < 256 || frag_threshold > 2346) | |
1254 | frag_threshold = 2346; | |
1255 | ||
1256 | tmp = cpu_to_le32(frag_threshold); | |
4cc6c4d5 | 1257 | return rndis_set_oid(usbdev, |
470f16c8 | 1258 | RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD, |
4cc6c4d5 | 1259 | &tmp, sizeof(tmp)); |
d75ec2b7 JK |
1260 | } |
1261 | ||
bf164cc0 JK |
1262 | static void set_default_iw_params(struct usbnet *usbdev) |
1263 | { | |
aa18294a | 1264 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); |
5c52323e JK |
1265 | set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM, |
1266 | RNDIS_WLAN_KEY_MGMT_NONE); | |
bf164cc0 | 1267 | set_priv_filter(usbdev); |
5c52323e | 1268 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1269 | } |
1270 | ||
bf164cc0 JK |
1271 | static int deauthenticate(struct usbnet *usbdev) |
1272 | { | |
1273 | int ret; | |
1274 | ||
051ae0bf | 1275 | ret = disassociate(usbdev, true); |
bf164cc0 JK |
1276 | set_default_iw_params(usbdev); |
1277 | return ret; | |
1278 | } | |
1279 | ||
5c52323e JK |
1280 | static int set_channel(struct usbnet *usbdev, int channel) |
1281 | { | |
1282 | struct ndis_80211_conf config; | |
1283 | unsigned int dsconfig; | |
1284 | int len, ret; | |
1285 | ||
60b86755 | 1286 | netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel); |
5c52323e JK |
1287 | |
1288 | /* this OID is valid only when not associated */ | |
1289 | if (is_associated(usbdev)) | |
1290 | return 0; | |
1291 | ||
1292 | dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000; | |
1293 | ||
1294 | len = sizeof(config); | |
4cc6c4d5 | 1295 | ret = rndis_query_oid(usbdev, |
470f16c8 | 1296 | RNDIS_OID_802_11_CONFIGURATION, |
4cc6c4d5 | 1297 | &config, &len); |
5c52323e | 1298 | if (ret < 0) { |
60b86755 JP |
1299 | netdev_dbg(usbdev->net, "%s(): querying configuration failed\n", |
1300 | __func__); | |
5c52323e JK |
1301 | return ret; |
1302 | } | |
1303 | ||
1304 | config.ds_config = cpu_to_le32(dsconfig); | |
4cc6c4d5 | 1305 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1306 | RNDIS_OID_802_11_CONFIGURATION, |
4cc6c4d5 | 1307 | &config, sizeof(config)); |
5c52323e | 1308 | |
60b86755 | 1309 | netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret); |
5c52323e JK |
1310 | |
1311 | return ret; | |
1312 | } | |
1313 | ||
cb82a66d | 1314 | static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev, |
f808e4ad | 1315 | u32 *beacon_period) |
cb82a66d JK |
1316 | { |
1317 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1318 | struct ieee80211_channel *channel; | |
1319 | struct ndis_80211_conf config; | |
1320 | int len, ret; | |
1321 | ||
1322 | /* Get channel and beacon interval */ | |
1323 | len = sizeof(config); | |
4cc6c4d5 | 1324 | ret = rndis_query_oid(usbdev, |
470f16c8 | 1325 | RNDIS_OID_802_11_CONFIGURATION, |
4cc6c4d5 LW |
1326 | &config, &len); |
1327 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_CONFIGURATION -> %d\n", | |
cb82a66d JK |
1328 | __func__, ret); |
1329 | if (ret < 0) | |
1330 | return NULL; | |
1331 | ||
1332 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
1333 | KHZ_TO_MHZ(le32_to_cpu(config.ds_config))); | |
1334 | if (!channel) | |
1335 | return NULL; | |
1336 | ||
f808e4ad JK |
1337 | if (beacon_period) |
1338 | *beacon_period = le32_to_cpu(config.beacon_period); | |
cb82a66d JK |
1339 | return channel; |
1340 | } | |
1341 | ||
bf164cc0 | 1342 | /* index must be 0 - N, as per NDIS */ |
5c52323e | 1343 | static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len, |
461bc26c | 1344 | u8 index) |
bf164cc0 | 1345 | { |
582241a0 | 1346 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1347 | struct ndis_80211_wep_key ndis_key; |
84bf8400 JK |
1348 | u32 cipher; |
1349 | int ret; | |
1350 | ||
60b86755 JP |
1351 | netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n", |
1352 | __func__, index, key_len); | |
bf164cc0 | 1353 | |
461bc26c | 1354 | if (index >= RNDIS_WLAN_NUM_KEYS) |
bf164cc0 JK |
1355 | return -EINVAL; |
1356 | ||
b7cfc5b3 JK |
1357 | if (key_len == 5) |
1358 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
f096ce6d | 1359 | else if (key_len == 13) |
b7cfc5b3 | 1360 | cipher = WLAN_CIPHER_SUITE_WEP104; |
f096ce6d JK |
1361 | else |
1362 | return -EINVAL; | |
b7cfc5b3 | 1363 | |
bf164cc0 JK |
1364 | memset(&ndis_key, 0, sizeof(ndis_key)); |
1365 | ||
461b3f2a JK |
1366 | ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
1367 | ndis_key.length = cpu_to_le32(key_len); | |
1368 | ndis_key.index = cpu_to_le32(index); | |
1369 | memcpy(&ndis_key.material, key, key_len); | |
bf164cc0 JK |
1370 | |
1371 | if (index == priv->encr_tx_key_index) { | |
aa18294a | 1372 | ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY; |
5c52323e JK |
1373 | ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP, |
1374 | RNDIS_WLAN_ALG_NONE); | |
bf164cc0 | 1375 | if (ret) |
60b86755 JP |
1376 | netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n", |
1377 | ret); | |
bf164cc0 JK |
1378 | } |
1379 | ||
4cc6c4d5 | 1380 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1381 | RNDIS_OID_802_11_ADD_WEP, &ndis_key, |
4cc6c4d5 | 1382 | sizeof(ndis_key)); |
bf164cc0 | 1383 | if (ret != 0) { |
60b86755 JP |
1384 | netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n", |
1385 | index + 1, ret); | |
bf164cc0 JK |
1386 | return ret; |
1387 | } | |
1388 | ||
b7cfc5b3 JK |
1389 | priv->encr_keys[index].len = key_len; |
1390 | priv->encr_keys[index].cipher = cipher; | |
1391 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1392 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
bf164cc0 JK |
1393 | |
1394 | return 0; | |
1395 | } | |
1396 | ||
b145ee0c | 1397 | static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len, |
461bc26c | 1398 | u8 index, const u8 *addr, const u8 *rx_seq, |
53d27eaf | 1399 | int seq_len, u32 cipher, __le32 flags) |
b145ee0c | 1400 | { |
582241a0 | 1401 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
b145ee0c | 1402 | struct ndis_80211_key ndis_key; |
b7cfc5b3 | 1403 | bool is_addr_ok; |
b145ee0c JK |
1404 | int ret; |
1405 | ||
461bc26c | 1406 | if (index >= RNDIS_WLAN_NUM_KEYS) { |
60b86755 JP |
1407 | netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n", |
1408 | __func__, index); | |
b145ee0c | 1409 | return -EINVAL; |
b7cfc5b3 JK |
1410 | } |
1411 | if (key_len > sizeof(ndis_key.material) || key_len < 0) { | |
60b86755 JP |
1412 | netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n", |
1413 | __func__, key_len); | |
b145ee0c | 1414 | return -EINVAL; |
b7cfc5b3 | 1415 | } |
84bf8400 JK |
1416 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) { |
1417 | if (!rx_seq || seq_len <= 0) { | |
60b86755 JP |
1418 | netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n", |
1419 | __func__); | |
84bf8400 JK |
1420 | return -EINVAL; |
1421 | } | |
1422 | if (rx_seq && seq_len > sizeof(ndis_key.rsc)) { | |
60b86755 | 1423 | netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__); |
84bf8400 JK |
1424 | return -EINVAL; |
1425 | } | |
b7cfc5b3 | 1426 | } |
84bf8400 | 1427 | |
7b1fff99 JK |
1428 | is_addr_ok = addr && !is_zero_ether_addr(addr) && |
1429 | !is_broadcast_ether_addr(addr); | |
b7cfc5b3 | 1430 | if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) { |
60b86755 JP |
1431 | netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n", |
1432 | __func__, addr); | |
b145ee0c | 1433 | return -EINVAL; |
b7cfc5b3 | 1434 | } |
b145ee0c | 1435 | |
60b86755 JP |
1436 | netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n", |
1437 | __func__, index, | |
1438 | !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY), | |
1439 | !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY), | |
1440 | !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)); | |
b145ee0c JK |
1441 | |
1442 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
1443 | ||
1444 | ndis_key.size = cpu_to_le32(sizeof(ndis_key) - | |
1445 | sizeof(ndis_key.material) + key_len); | |
1446 | ndis_key.length = cpu_to_le32(key_len); | |
1447 | ndis_key.index = cpu_to_le32(index) | flags; | |
1448 | ||
b7cfc5b3 | 1449 | if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) { |
b145ee0c JK |
1450 | /* wpa_supplicant gives us the Michael MIC RX/TX keys in |
1451 | * different order than NDIS spec, so swap the order here. */ | |
1452 | memcpy(ndis_key.material, key, 16); | |
1453 | memcpy(ndis_key.material + 16, key + 24, 8); | |
1454 | memcpy(ndis_key.material + 24, key + 16, 8); | |
1455 | } else | |
1456 | memcpy(ndis_key.material, key, key_len); | |
1457 | ||
aa18294a | 1458 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) |
84bf8400 | 1459 | memcpy(ndis_key.rsc, rx_seq, seq_len); |
b145ee0c | 1460 | |
aa18294a | 1461 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) { |
b145ee0c | 1462 | /* pairwise key */ |
b7cfc5b3 | 1463 | memcpy(ndis_key.bssid, addr, ETH_ALEN); |
b145ee0c JK |
1464 | } else { |
1465 | /* group key */ | |
aa18294a | 1466 | if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) |
b145ee0c JK |
1467 | memset(ndis_key.bssid, 0xff, ETH_ALEN); |
1468 | else | |
1469 | get_bssid(usbdev, ndis_key.bssid); | |
1470 | } | |
1471 | ||
4cc6c4d5 | 1472 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1473 | RNDIS_OID_802_11_ADD_KEY, &ndis_key, |
4cc6c4d5 LW |
1474 | le32_to_cpu(ndis_key.size)); |
1475 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_ADD_KEY -> %08X\n", | |
60b86755 | 1476 | __func__, ret); |
b145ee0c JK |
1477 | if (ret != 0) |
1478 | return ret; | |
1479 | ||
b7cfc5b3 JK |
1480 | memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); |
1481 | priv->encr_keys[index].len = key_len; | |
1482 | priv->encr_keys[index].cipher = cipher; | |
1483 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1484 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) | |
1485 | memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN); | |
1486 | else | |
1487 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
9839178e | 1488 | |
aa18294a | 1489 | if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY) |
b145ee0c JK |
1490 | priv->encr_tx_key_index = index; |
1491 | ||
1492 | return 0; | |
1493 | } | |
1494 | ||
461bc26c | 1495 | static int restore_key(struct usbnet *usbdev, u8 key_idx) |
b7cfc5b3 JK |
1496 | { |
1497 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1498 | struct rndis_wlan_encr_key key; | |
84bf8400 JK |
1499 | |
1500 | if (is_wpa_key(priv, key_idx)) | |
1501 | return 0; | |
b7cfc5b3 JK |
1502 | |
1503 | key = priv->encr_keys[key_idx]; | |
1504 | ||
60b86755 | 1505 | netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len); |
b7cfc5b3 JK |
1506 | |
1507 | if (key.len == 0) | |
1508 | return 0; | |
1509 | ||
b7cfc5b3 JK |
1510 | return add_wep_key(usbdev, key.material, key.len, key_idx); |
1511 | } | |
1512 | ||
b7cfc5b3 JK |
1513 | static void restore_keys(struct usbnet *usbdev) |
1514 | { | |
1515 | int i; | |
1516 | ||
1517 | for (i = 0; i < 4; i++) | |
1518 | restore_key(usbdev, i); | |
1519 | } | |
1520 | ||
461bc26c | 1521 | static void clear_key(struct rndis_wlan_private *priv, u8 idx) |
b7cfc5b3 JK |
1522 | { |
1523 | memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx])); | |
1524 | } | |
1525 | ||
bf164cc0 | 1526 | /* remove_key is for both wep and wpa */ |
461bc26c | 1527 | static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid) |
bf164cc0 | 1528 | { |
582241a0 | 1529 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1530 | struct ndis_80211_remove_key remove_key; |
bf164cc0 | 1531 | __le32 keyindex; |
b7cfc5b3 | 1532 | bool is_wpa; |
bf164cc0 JK |
1533 | int ret; |
1534 | ||
ec3cbb9c DC |
1535 | if (index >= RNDIS_WLAN_NUM_KEYS) |
1536 | return -ENOENT; | |
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 | 1562 | |
4cc6c4d5 | 1563 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1564 | RNDIS_OID_802_11_REMOVE_KEY, |
4cc6c4d5 | 1565 | &remove_key, sizeof(remove_key)); |
bf164cc0 JK |
1566 | if (ret != 0) |
1567 | return ret; | |
1568 | } else { | |
1569 | keyindex = cpu_to_le32(index); | |
4cc6c4d5 | 1570 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1571 | RNDIS_OID_802_11_REMOVE_WEP, |
4cc6c4d5 | 1572 | &keyindex, sizeof(keyindex)); |
bf164cc0 | 1573 | if (ret != 0) { |
60b86755 JP |
1574 | netdev_warn(usbdev->net, |
1575 | "removing encryption key %d failed (%08X)\n", | |
1576 | index, ret); | |
bf164cc0 JK |
1577 | return ret; |
1578 | } | |
1579 | } | |
1580 | ||
1581 | /* if it is transmit key, disable encryption */ | |
1582 | if (index == priv->encr_tx_key_index) | |
5c52323e | 1583 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1584 | |
1585 | return 0; | |
1586 | } | |
1587 | ||
bf164cc0 JK |
1588 | static void set_multicast_list(struct usbnet *usbdev) |
1589 | { | |
582241a0 | 1590 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
22bedad3 | 1591 | struct netdev_hw_addr *ha; |
12c3400a JP |
1592 | __le32 filter, basefilter; |
1593 | int ret; | |
1594 | char *mc_addrs = NULL; | |
1595 | int mc_count; | |
bf164cc0 | 1596 | |
7390e8b0 LW |
1597 | basefilter = filter = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | |
1598 | RNDIS_PACKET_TYPE_BROADCAST); | |
bf164cc0 JK |
1599 | |
1600 | if (usbdev->net->flags & IFF_PROMISC) { | |
7390e8b0 LW |
1601 | filter |= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS | |
1602 | RNDIS_PACKET_TYPE_ALL_LOCAL); | |
12c3400a | 1603 | } else if (usbdev->net->flags & IFF_ALLMULTI) { |
7390e8b0 | 1604 | filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST); |
12c3400a JP |
1605 | } |
1606 | ||
1607 | if (filter != basefilter) | |
1608 | goto set_filter; | |
1609 | ||
1610 | /* | |
1611 | * mc_list should be accessed holding the lock, so copy addresses to | |
1612 | * local buffer first. | |
1613 | */ | |
1614 | netif_addr_lock_bh(usbdev->net); | |
1615 | mc_count = netdev_mc_count(usbdev->net); | |
1616 | if (mc_count > priv->multicast_size) { | |
7390e8b0 | 1617 | filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST); |
12c3400a JP |
1618 | } else if (mc_count) { |
1619 | int i = 0; | |
1620 | ||
1621 | mc_addrs = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC); | |
1622 | if (!mc_addrs) { | |
60b86755 JP |
1623 | netdev_warn(usbdev->net, |
1624 | "couldn't alloc %d bytes of memory\n", | |
12c3400a | 1625 | mc_count * ETH_ALEN); |
655ffee2 | 1626 | netif_addr_unlock_bh(usbdev->net); |
bf164cc0 JK |
1627 | return; |
1628 | } | |
1629 | ||
22bedad3 | 1630 | netdev_for_each_mc_addr(ha, usbdev->net) |
12c3400a | 1631 | memcpy(mc_addrs + i++ * ETH_ALEN, |
22bedad3 | 1632 | ha->addr, ETH_ALEN); |
12c3400a JP |
1633 | } |
1634 | netif_addr_unlock_bh(usbdev->net); | |
bf164cc0 | 1635 | |
12c3400a JP |
1636 | if (filter != basefilter) |
1637 | goto set_filter; | |
1638 | ||
1639 | if (mc_count) { | |
4cc6c4d5 | 1640 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1641 | RNDIS_OID_802_3_MULTICAST_LIST, |
4cc6c4d5 | 1642 | mc_addrs, mc_count * ETH_ALEN); |
12c3400a JP |
1643 | kfree(mc_addrs); |
1644 | if (ret == 0) | |
7390e8b0 | 1645 | filter |= cpu_to_le32(RNDIS_PACKET_TYPE_MULTICAST); |
bf164cc0 | 1646 | else |
7390e8b0 | 1647 | filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST); |
bf164cc0 | 1648 | |
4cc6c4d5 | 1649 | netdev_dbg(usbdev->net, "RNDIS_OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n", |
12c3400a | 1650 | mc_count, priv->multicast_size, ret); |
bf164cc0 JK |
1651 | } |
1652 | ||
12c3400a | 1653 | set_filter: |
470f16c8 | 1654 | ret = rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter, |
bf164cc0 JK |
1655 | sizeof(filter)); |
1656 | if (ret < 0) { | |
60b86755 JP |
1657 | netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n", |
1658 | le32_to_cpu(filter)); | |
bf164cc0 JK |
1659 | } |
1660 | ||
8cdddc3f | 1661 | netdev_dbg(usbdev->net, "RNDIS_OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n", |
60b86755 | 1662 | le32_to_cpu(filter), ret); |
bf164cc0 JK |
1663 | } |
1664 | ||
5a7d0583 JK |
1665 | #ifdef DEBUG |
1666 | static void debug_print_pmkids(struct usbnet *usbdev, | |
1667 | struct ndis_80211_pmkid *pmkids, | |
1668 | const char *func_str) | |
1669 | { | |
1670 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1671 | int i, len, count, max_pmkids, entry_len; | |
1672 | ||
1673 | max_pmkids = priv->wdev.wiphy->max_num_pmkids; | |
1674 | len = le32_to_cpu(pmkids->length); | |
1675 | count = le32_to_cpu(pmkids->bssid_info_count); | |
1676 | ||
1677 | entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1; | |
1678 | ||
1679 | netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: " | |
1680 | "%d)\n", func_str, count, len, entry_len); | |
1681 | ||
1682 | if (count > max_pmkids) | |
1683 | count = max_pmkids; | |
1684 | ||
1685 | for (i = 0; i < count; i++) { | |
1686 | u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid; | |
1687 | ||
1688 | netdev_dbg(usbdev->net, "%s(): bssid: %pM, " | |
1689 | "pmkid: %08X:%08X:%08X:%08X\n", | |
1690 | func_str, pmkids->bssid_info[i].bssid, | |
1691 | cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), | |
1692 | cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3])); | |
1693 | } | |
1694 | } | |
1695 | #else | |
1696 | static void debug_print_pmkids(struct usbnet *usbdev, | |
1697 | struct ndis_80211_pmkid *pmkids, | |
1698 | const char *func_str) | |
1699 | { | |
1700 | return; | |
1701 | } | |
1702 | #endif | |
1703 | ||
1704 | static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev) | |
1705 | { | |
1706 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1707 | struct ndis_80211_pmkid *pmkids; | |
1708 | int len, ret, max_pmkids; | |
1709 | ||
1710 | max_pmkids = priv->wdev.wiphy->max_num_pmkids; | |
1711 | len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]); | |
1712 | ||
1713 | pmkids = kzalloc(len, GFP_KERNEL); | |
1714 | if (!pmkids) | |
1715 | return ERR_PTR(-ENOMEM); | |
1716 | ||
1717 | pmkids->length = cpu_to_le32(len); | |
1718 | pmkids->bssid_info_count = cpu_to_le32(max_pmkids); | |
1719 | ||
470f16c8 | 1720 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_PMKID, |
4cc6c4d5 | 1721 | pmkids, &len); |
5a7d0583 | 1722 | if (ret < 0) { |
4cc6c4d5 | 1723 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d)" |
5a7d0583 JK |
1724 | " -> %d\n", __func__, len, max_pmkids, ret); |
1725 | ||
1726 | kfree(pmkids); | |
1727 | return ERR_PTR(ret); | |
1728 | } | |
1729 | ||
1730 | if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids) | |
1731 | pmkids->bssid_info_count = cpu_to_le32(max_pmkids); | |
1732 | ||
1733 | debug_print_pmkids(usbdev, pmkids, __func__); | |
1734 | ||
1735 | return pmkids; | |
1736 | } | |
1737 | ||
1738 | static int set_device_pmkids(struct usbnet *usbdev, | |
1739 | struct ndis_80211_pmkid *pmkids) | |
1740 | { | |
1741 | int ret, len, num_pmkids; | |
1742 | ||
1743 | num_pmkids = le32_to_cpu(pmkids->bssid_info_count); | |
1744 | len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]); | |
1745 | pmkids->length = cpu_to_le32(len); | |
1746 | ||
1747 | debug_print_pmkids(usbdev, pmkids, __func__); | |
1748 | ||
470f16c8 | 1749 | ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID, pmkids, |
4cc6c4d5 | 1750 | le32_to_cpu(pmkids->length)); |
5a7d0583 | 1751 | if (ret < 0) { |
4cc6c4d5 | 1752 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d) -> %d" |
5a7d0583 JK |
1753 | "\n", __func__, len, num_pmkids, ret); |
1754 | } | |
1755 | ||
1756 | kfree(pmkids); | |
1757 | return ret; | |
1758 | } | |
1759 | ||
1760 | static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev, | |
1761 | struct ndis_80211_pmkid *pmkids, | |
1762 | struct cfg80211_pmksa *pmksa, | |
1763 | int max_pmkids) | |
1764 | { | |
551d6fe6 DC |
1765 | int i, newlen, err; |
1766 | unsigned int count; | |
5a7d0583 | 1767 | |
5a7d0583 JK |
1768 | count = le32_to_cpu(pmkids->bssid_info_count); |
1769 | ||
1770 | if (count > max_pmkids) | |
1771 | count = max_pmkids; | |
1772 | ||
1773 | for (i = 0; i < count; i++) | |
2e42e474 JP |
1774 | if (ether_addr_equal(pmkids->bssid_info[i].bssid, |
1775 | pmksa->bssid)) | |
5a7d0583 JK |
1776 | break; |
1777 | ||
1778 | /* pmkid not found */ | |
1779 | if (i == count) { | |
1780 | netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n", | |
1781 | __func__, pmksa->bssid); | |
1782 | err = -ENOENT; | |
1783 | goto error; | |
1784 | } | |
1785 | ||
1786 | for (; i + 1 < count; i++) | |
1787 | pmkids->bssid_info[i] = pmkids->bssid_info[i + 1]; | |
1788 | ||
1789 | count--; | |
1790 | newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]); | |
1791 | ||
1792 | pmkids->length = cpu_to_le32(newlen); | |
1793 | pmkids->bssid_info_count = cpu_to_le32(count); | |
1794 | ||
1795 | return pmkids; | |
1796 | error: | |
1797 | kfree(pmkids); | |
1798 | return ERR_PTR(err); | |
1799 | } | |
1800 | ||
1801 | static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev, | |
1802 | struct ndis_80211_pmkid *pmkids, | |
1803 | struct cfg80211_pmksa *pmksa, | |
1804 | int max_pmkids) | |
1805 | { | |
551d6fe6 DC |
1806 | int i, err, newlen; |
1807 | unsigned int count; | |
5a7d0583 | 1808 | |
5a7d0583 JK |
1809 | count = le32_to_cpu(pmkids->bssid_info_count); |
1810 | ||
1811 | if (count > max_pmkids) | |
1812 | count = max_pmkids; | |
1813 | ||
1814 | /* update with new pmkid */ | |
1815 | for (i = 0; i < count; i++) { | |
2e42e474 JP |
1816 | if (!ether_addr_equal(pmkids->bssid_info[i].bssid, |
1817 | pmksa->bssid)) | |
5a7d0583 JK |
1818 | continue; |
1819 | ||
1820 | memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid, | |
1821 | WLAN_PMKID_LEN); | |
1822 | ||
1823 | return pmkids; | |
1824 | } | |
1825 | ||
1826 | /* out of space, return error */ | |
1827 | if (i == max_pmkids) { | |
1828 | netdev_dbg(usbdev->net, "%s(): out of space\n", __func__); | |
1829 | err = -ENOSPC; | |
1830 | goto error; | |
1831 | } | |
1832 | ||
1833 | /* add new pmkid */ | |
1834 | newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]); | |
1835 | ||
1836 | pmkids = krealloc(pmkids, newlen, GFP_KERNEL); | |
1837 | if (!pmkids) { | |
1838 | err = -ENOMEM; | |
1839 | goto error; | |
1840 | } | |
1841 | ||
1842 | pmkids->length = cpu_to_le32(newlen); | |
1843 | pmkids->bssid_info_count = cpu_to_le32(count + 1); | |
1844 | ||
1845 | memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN); | |
1846 | memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN); | |
1847 | ||
1848 | return pmkids; | |
1849 | error: | |
1850 | kfree(pmkids); | |
1851 | return ERR_PTR(err); | |
1852 | } | |
1853 | ||
964c1d41 JL |
1854 | /* |
1855 | * cfg80211 ops | |
1856 | */ | |
e36d56b6 JB |
1857 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
1858 | struct net_device *dev, | |
964c1d41 JL |
1859 | enum nl80211_iftype type, u32 *flags, |
1860 | struct vif_params *params) | |
1861 | { | |
16139172 JK |
1862 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); |
1863 | struct usbnet *usbdev = priv->usbdev; | |
964c1d41 JL |
1864 | int mode; |
1865 | ||
964c1d41 JL |
1866 | switch (type) { |
1867 | case NL80211_IFTYPE_ADHOC: | |
aa18294a | 1868 | mode = NDIS_80211_INFRA_ADHOC; |
964c1d41 JL |
1869 | break; |
1870 | case NL80211_IFTYPE_STATION: | |
aa18294a | 1871 | mode = NDIS_80211_INFRA_INFRA; |
964c1d41 JL |
1872 | break; |
1873 | default: | |
1874 | return -EINVAL; | |
1875 | } | |
1876 | ||
16139172 JK |
1877 | priv->wdev.iftype = type; |
1878 | ||
964c1d41 JL |
1879 | return set_infra_mode(usbdev, mode); |
1880 | } | |
1881 | ||
d75ec2b7 JK |
1882 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1883 | { | |
1884 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1885 | struct usbnet *usbdev = priv->usbdev; | |
1886 | int err; | |
1887 | ||
1888 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
1889 | err = set_frag_threshold(usbdev, wiphy->frag_threshold); | |
1890 | if (err < 0) | |
1891 | return err; | |
1892 | } | |
1893 | ||
1894 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1895 | err = set_rts_threshold(usbdev, wiphy->rts_threshold); | |
1896 | if (err < 0) | |
1897 | return err; | |
1898 | } | |
1899 | ||
1900 | return 0; | |
1901 | } | |
1902 | ||
fa61cf70 JO |
1903 | static int rndis_set_tx_power(struct wiphy *wiphy, |
1904 | enum nl80211_tx_power_setting type, | |
1905 | int mbm) | |
222ec50a JK |
1906 | { |
1907 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1908 | struct usbnet *usbdev = priv->usbdev; | |
1909 | ||
fa61cf70 JO |
1910 | netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n", |
1911 | __func__, type, mbm); | |
1912 | ||
1913 | if (mbm < 0 || (mbm % 100)) | |
1914 | return -ENOTSUPP; | |
222ec50a JK |
1915 | |
1916 | /* Device doesn't support changing txpower after initialization, only | |
1917 | * turn off/on radio. Support 'auto' mode and setting same dBm that is | |
1918 | * currently used. | |
1919 | */ | |
fa61cf70 JO |
1920 | if (type == NL80211_TX_POWER_AUTOMATIC || |
1921 | MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) { | |
222ec50a | 1922 | if (!priv->radio_on) |
051ae0bf | 1923 | disassociate(usbdev, true); /* turn on radio */ |
222ec50a JK |
1924 | |
1925 | return 0; | |
1926 | } | |
1927 | ||
1928 | return -ENOTSUPP; | |
1929 | } | |
1930 | ||
222ec50a JK |
1931 | static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm) |
1932 | { | |
1933 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1934 | struct usbnet *usbdev = priv->usbdev; | |
1935 | ||
1936 | *dbm = get_bcm4320_power_dbm(priv); | |
1937 | ||
60b86755 | 1938 | netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm); |
222ec50a JK |
1939 | |
1940 | return 0; | |
1941 | } | |
1942 | ||
b1d25a67 | 1943 | #define SCAN_DELAY_JIFFIES (6 * HZ) |
fd014284 | 1944 | static int rndis_scan(struct wiphy *wiphy, |
71a7b26d JK |
1945 | struct cfg80211_scan_request *request) |
1946 | { | |
fd014284 | 1947 | struct net_device *dev = request->wdev->netdev; |
71a7b26d | 1948 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 1949 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d | 1950 | int ret; |
5cb56af2 | 1951 | int delay = SCAN_DELAY_JIFFIES; |
71a7b26d | 1952 | |
60b86755 | 1953 | netdev_dbg(usbdev->net, "cfg80211.scan\n"); |
71a7b26d | 1954 | |
db0dd396 JK |
1955 | /* Get current bssid list from device before new scan, as new scan |
1956 | * clears internal bssid list. | |
1957 | */ | |
b5257c95 | 1958 | rndis_check_bssid_list(usbdev, NULL, NULL); |
db0dd396 | 1959 | |
71a7b26d JK |
1960 | if (!request) |
1961 | return -EINVAL; | |
1962 | ||
1963 | if (priv->scan_request && priv->scan_request != request) | |
1964 | return -EBUSY; | |
1965 | ||
1966 | priv->scan_request = request; | |
1967 | ||
5cb56af2 | 1968 | ret = rndis_start_bssid_list_scan(usbdev); |
71a7b26d | 1969 | if (ret == 0) { |
5cb56af2 JK |
1970 | if (priv->device_type == RNDIS_BCM4320A) |
1971 | delay = HZ; | |
1972 | ||
71a7b26d | 1973 | /* Wait before retrieving scan results from device */ |
5cb56af2 | 1974 | queue_delayed_work(priv->workqueue, &priv->scan_work, delay); |
71a7b26d JK |
1975 | } |
1976 | ||
1977 | return ret; | |
1978 | } | |
1979 | ||
a64e2e23 JK |
1980 | static bool rndis_bss_info_update(struct usbnet *usbdev, |
1981 | struct ndis_80211_bssid_ex *bssid) | |
71a7b26d | 1982 | { |
582241a0 | 1983 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d | 1984 | struct ieee80211_channel *channel; |
a64e2e23 | 1985 | struct cfg80211_bss *bss; |
71a7b26d JK |
1986 | s32 signal; |
1987 | u64 timestamp; | |
1988 | u16 capability; | |
1989 | u16 beacon_interval; | |
1990 | struct ndis_80211_fixed_ies *fixed; | |
1991 | int ie_len, bssid_len; | |
1992 | u8 *ie; | |
1993 | ||
bfe3850b JK |
1994 | netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n", |
1995 | bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length)); | |
5fd8f250 | 1996 | |
71a7b26d JK |
1997 | /* parse bssid structure */ |
1998 | bssid_len = le32_to_cpu(bssid->length); | |
1999 | ||
2000 | if (bssid_len < sizeof(struct ndis_80211_bssid_ex) + | |
2001 | sizeof(struct ndis_80211_fixed_ies)) | |
2002 | return NULL; | |
2003 | ||
2004 | fixed = (struct ndis_80211_fixed_ies *)bssid->ies; | |
2005 | ||
2006 | ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); | |
2007 | ie_len = min(bssid_len - (int)sizeof(*bssid), | |
2008 | (int)le32_to_cpu(bssid->ie_length)); | |
2009 | ie_len -= sizeof(struct ndis_80211_fixed_ies); | |
2010 | if (ie_len < 0) | |
2011 | return NULL; | |
2012 | ||
2013 | /* extract data for cfg80211_inform_bss */ | |
2014 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
2015 | KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config))); | |
2016 | if (!channel) | |
2017 | return NULL; | |
2018 | ||
2019 | signal = level_to_qual(le32_to_cpu(bssid->rssi)); | |
2020 | timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp); | |
2021 | capability = le16_to_cpu(fixed->capabilities); | |
2022 | beacon_interval = le16_to_cpu(fixed->beacon_interval); | |
2023 | ||
a64e2e23 | 2024 | bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac, |
71a7b26d JK |
2025 | timestamp, capability, beacon_interval, ie, ie_len, signal, |
2026 | GFP_KERNEL); | |
a64e2e23 JK |
2027 | cfg80211_put_bss(bss); |
2028 | ||
2029 | return (bss != NULL); | |
71a7b26d JK |
2030 | } |
2031 | ||
bfe3850b JK |
2032 | static struct ndis_80211_bssid_ex *next_bssid_list_item( |
2033 | struct ndis_80211_bssid_ex *bssid, | |
2034 | int *bssid_len, void *buf, int len) | |
2035 | { | |
2036 | void *buf_end, *bssid_end; | |
2037 | ||
2038 | buf_end = (char *)buf + len; | |
2039 | bssid_end = (char *)bssid + *bssid_len; | |
2040 | ||
2041 | if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) { | |
2042 | *bssid_len = 0; | |
2043 | return NULL; | |
2044 | } else { | |
2045 | bssid = (void *)((char *)bssid + *bssid_len); | |
2046 | *bssid_len = le32_to_cpu(bssid->length); | |
2047 | return bssid; | |
2048 | } | |
2049 | } | |
2050 | ||
2051 | static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid, | |
2052 | int bssid_len, void *buf, int len) | |
2053 | { | |
2054 | void *buf_end, *bssid_end; | |
2055 | ||
2056 | if (!bssid || bssid_len <= 0 || bssid_len > len) | |
2057 | return false; | |
2058 | ||
2059 | buf_end = (char *)buf + len; | |
2060 | bssid_end = (char *)bssid + bssid_len; | |
2061 | ||
2062 | return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0; | |
2063 | } | |
2064 | ||
b5257c95 JK |
2065 | static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid, |
2066 | bool *matched) | |
71a7b26d JK |
2067 | { |
2068 | void *buf = NULL; | |
2069 | struct ndis_80211_bssid_list_ex *bssid_list; | |
2070 | struct ndis_80211_bssid_ex *bssid; | |
bfe3850b | 2071 | int ret = -EINVAL, len, count, bssid_len, real_count, new_len; |
71a7b26d | 2072 | |
bfe3850b | 2073 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
71a7b26d JK |
2074 | |
2075 | len = CONTROL_BUFFER_SIZE; | |
5fd8f250 | 2076 | resize_buf: |
bfe3850b | 2077 | buf = kzalloc(len, GFP_KERNEL); |
71a7b26d JK |
2078 | if (!buf) { |
2079 | ret = -ENOMEM; | |
2080 | goto out; | |
2081 | } | |
2082 | ||
bfe3850b JK |
2083 | /* BSSID-list might have got bigger last time we checked, keep |
2084 | * resizing until it won't get any bigger. | |
2085 | */ | |
2086 | new_len = len; | |
470f16c8 | 2087 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST, |
4cc6c4d5 | 2088 | buf, &new_len); |
bfe3850b | 2089 | if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex)) |
71a7b26d JK |
2090 | goto out; |
2091 | ||
bfe3850b JK |
2092 | if (new_len > len) { |
2093 | len = new_len; | |
5fd8f250 JK |
2094 | kfree(buf); |
2095 | goto resize_buf; | |
2096 | } | |
2097 | ||
bfe3850b JK |
2098 | len = new_len; |
2099 | ||
71a7b26d | 2100 | bssid_list = buf; |
71a7b26d | 2101 | count = le32_to_cpu(bssid_list->num_items); |
bfe3850b JK |
2102 | real_count = 0; |
2103 | netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len); | |
2104 | ||
2105 | bssid_len = 0; | |
2106 | bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len); | |
71a7b26d | 2107 | |
bfe3850b JK |
2108 | /* Device returns incorrect 'num_items'. Workaround by ignoring the |
2109 | * received 'num_items' and walking through full bssid buffer instead. | |
2110 | */ | |
2111 | while (check_bssid_list_item(bssid, bssid_len, buf, len)) { | |
b5257c95 JK |
2112 | if (rndis_bss_info_update(usbdev, bssid) && match_bssid && |
2113 | matched) { | |
b0fd49b7 | 2114 | if (ether_addr_equal(bssid->mac, match_bssid)) |
b5257c95 JK |
2115 | *matched = true; |
2116 | } | |
71a7b26d | 2117 | |
bfe3850b JK |
2118 | real_count++; |
2119 | bssid = next_bssid_list_item(bssid, &bssid_len, buf, len); | |
71a7b26d JK |
2120 | } |
2121 | ||
bfe3850b JK |
2122 | netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:" |
2123 | " %d\n", __func__, count, real_count); | |
2124 | ||
71a7b26d JK |
2125 | out: |
2126 | kfree(buf); | |
2127 | return ret; | |
2128 | } | |
2129 | ||
71a7b26d JK |
2130 | static void rndis_get_scan_results(struct work_struct *work) |
2131 | { | |
582241a0 JK |
2132 | struct rndis_wlan_private *priv = |
2133 | container_of(work, struct rndis_wlan_private, scan_work.work); | |
71a7b26d JK |
2134 | struct usbnet *usbdev = priv->usbdev; |
2135 | int ret; | |
2136 | ||
60b86755 | 2137 | netdev_dbg(usbdev->net, "get_scan_results\n"); |
71a7b26d | 2138 | |
005ba2f1 JK |
2139 | if (!priv->scan_request) |
2140 | return; | |
2141 | ||
b5257c95 | 2142 | ret = rndis_check_bssid_list(usbdev, NULL, NULL); |
71a7b26d JK |
2143 | |
2144 | cfg80211_scan_done(priv->scan_request, ret < 0); | |
2145 | ||
2146 | priv->scan_request = NULL; | |
2147 | } | |
2148 | ||
5c52323e JK |
2149 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
2150 | struct cfg80211_connect_params *sme) | |
2151 | { | |
2152 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2153 | struct usbnet *usbdev = priv->usbdev; | |
2154 | struct ieee80211_channel *channel = sme->channel; | |
2155 | struct ndis_80211_ssid ssid; | |
2156 | int pairwise = RNDIS_WLAN_ALG_NONE; | |
2157 | int groupwise = RNDIS_WLAN_ALG_NONE; | |
2158 | int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE; | |
2159 | int length, i, ret, chan = -1; | |
2160 | ||
2161 | if (channel) | |
2162 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
2163 | ||
2164 | groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group); | |
2165 | for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) | |
2166 | pairwise |= | |
2167 | rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]); | |
2168 | ||
2169 | if (sme->crypto.n_ciphers_pairwise > 0 && | |
2170 | pairwise == RNDIS_WLAN_ALG_NONE) { | |
60b86755 | 2171 | netdev_err(usbdev->net, "Unsupported pairwise cipher\n"); |
5c52323e JK |
2172 | return -ENOTSUPP; |
2173 | } | |
2174 | ||
2175 | for (i = 0; i < sme->crypto.n_akm_suites; i++) | |
2176 | keymgmt |= | |
2177 | rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]); | |
2178 | ||
2179 | if (sme->crypto.n_akm_suites > 0 && | |
2180 | keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) { | |
60b86755 | 2181 | netdev_err(usbdev->net, "Invalid keymgmt\n"); |
5c52323e JK |
2182 | return -ENOTSUPP; |
2183 | } | |
2184 | ||
60b86755 JP |
2185 | netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n", |
2186 | sme->ssid, sme->bssid, chan, | |
2187 | sme->privacy, sme->crypto.wpa_versions, sme->auth_type, | |
2188 | groupwise, pairwise, keymgmt); | |
5c52323e JK |
2189 | |
2190 | if (is_associated(usbdev)) | |
2191 | disassociate(usbdev, false); | |
2192 | ||
2193 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
2194 | if (ret < 0) { | |
60b86755 JP |
2195 | netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n", |
2196 | ret); | |
5c52323e JK |
2197 | goto err_turn_radio_on; |
2198 | } | |
2199 | ||
2200 | ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type, | |
2201 | keymgmt); | |
2202 | if (ret < 0) { | |
60b86755 JP |
2203 | netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n", |
2204 | ret); | |
5c52323e JK |
2205 | goto err_turn_radio_on; |
2206 | } | |
2207 | ||
2208 | set_priv_filter(usbdev); | |
2209 | ||
2210 | ret = set_encr_mode(usbdev, pairwise, groupwise); | |
2211 | if (ret < 0) { | |
60b86755 JP |
2212 | netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n", |
2213 | ret); | |
5c52323e JK |
2214 | goto err_turn_radio_on; |
2215 | } | |
2216 | ||
2217 | if (channel) { | |
2218 | ret = set_channel(usbdev, chan); | |
2219 | if (ret < 0) { | |
60b86755 JP |
2220 | netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n", |
2221 | ret); | |
5c52323e JK |
2222 | goto err_turn_radio_on; |
2223 | } | |
2224 | } | |
2225 | ||
2226 | if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) { | |
2227 | priv->encr_tx_key_index = sme->key_idx; | |
2228 | ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx); | |
2229 | if (ret < 0) { | |
60b86755 JP |
2230 | netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n", |
2231 | ret, sme->key_len, sme->key_idx); | |
5c52323e JK |
2232 | goto err_turn_radio_on; |
2233 | } | |
2234 | } | |
2235 | ||
2236 | if (sme->bssid && !is_zero_ether_addr(sme->bssid) && | |
2237 | !is_broadcast_ether_addr(sme->bssid)) { | |
2238 | ret = set_bssid(usbdev, sme->bssid); | |
2239 | if (ret < 0) { | |
60b86755 JP |
2240 | netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n", |
2241 | ret); | |
5c52323e JK |
2242 | goto err_turn_radio_on; |
2243 | } | |
2244 | } else | |
2245 | clear_bssid(usbdev); | |
2246 | ||
2247 | length = sme->ssid_len; | |
2248 | if (length > NDIS_802_11_LENGTH_SSID) | |
2249 | length = NDIS_802_11_LENGTH_SSID; | |
2250 | ||
2251 | memset(&ssid, 0, sizeof(ssid)); | |
2252 | ssid.length = cpu_to_le32(length); | |
2253 | memcpy(ssid.essid, sme->ssid, length); | |
2254 | ||
2255 | /* Pause and purge rx queue, so we don't pass packets before | |
2256 | * 'media connect'-indication. | |
2257 | */ | |
2258 | usbnet_pause_rx(usbdev); | |
2259 | usbnet_purge_paused_rxq(usbdev); | |
2260 | ||
2261 | ret = set_essid(usbdev, &ssid); | |
2262 | if (ret < 0) | |
60b86755 | 2263 | netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret); |
5c52323e JK |
2264 | return ret; |
2265 | ||
2266 | err_turn_radio_on: | |
051ae0bf | 2267 | disassociate(usbdev, true); |
5c52323e JK |
2268 | |
2269 | return ret; | |
2270 | } | |
2271 | ||
2272 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
2273 | u16 reason_code) | |
2274 | { | |
2275 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2276 | struct usbnet *usbdev = priv->usbdev; | |
2277 | ||
60b86755 | 2278 | netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code); |
5c52323e JK |
2279 | |
2280 | priv->connected = false; | |
8b89a288 | 2281 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
2282 | |
2283 | return deauthenticate(usbdev); | |
2284 | } | |
2285 | ||
2286 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
2287 | struct cfg80211_ibss_params *params) | |
2288 | { | |
2289 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2290 | struct usbnet *usbdev = priv->usbdev; | |
2291 | struct ieee80211_channel *channel = params->channel; | |
2292 | struct ndis_80211_ssid ssid; | |
2293 | enum nl80211_auth_type auth_type; | |
2294 | int ret, alg, length, chan = -1; | |
2295 | ||
2296 | if (channel) | |
2297 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
2298 | ||
2299 | /* TODO: How to handle ad-hoc encryption? | |
2300 | * connect() has *key, join_ibss() doesn't. RNDIS requires key to be | |
2301 | * pre-shared for encryption (open/shared/wpa), is key set before | |
2302 | * join_ibss? Which auth_type to use (not in params)? What about WPA? | |
2303 | */ | |
2304 | if (params->privacy) { | |
2305 | auth_type = NL80211_AUTHTYPE_SHARED_KEY; | |
2306 | alg = RNDIS_WLAN_ALG_WEP; | |
2307 | } else { | |
2308 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
2309 | alg = RNDIS_WLAN_ALG_NONE; | |
2310 | } | |
2311 | ||
60b86755 JP |
2312 | netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n", |
2313 | params->ssid, params->bssid, chan, params->privacy); | |
5c52323e JK |
2314 | |
2315 | if (is_associated(usbdev)) | |
2316 | disassociate(usbdev, false); | |
2317 | ||
2318 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC); | |
2319 | if (ret < 0) { | |
60b86755 JP |
2320 | netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n", |
2321 | ret); | |
5c52323e JK |
2322 | goto err_turn_radio_on; |
2323 | } | |
2324 | ||
2325 | ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE); | |
2326 | if (ret < 0) { | |
60b86755 JP |
2327 | netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n", |
2328 | ret); | |
5c52323e JK |
2329 | goto err_turn_radio_on; |
2330 | } | |
2331 | ||
2332 | set_priv_filter(usbdev); | |
2333 | ||
2334 | ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE); | |
2335 | if (ret < 0) { | |
60b86755 JP |
2336 | netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n", |
2337 | ret); | |
5c52323e JK |
2338 | goto err_turn_radio_on; |
2339 | } | |
2340 | ||
2341 | if (channel) { | |
2342 | ret = set_channel(usbdev, chan); | |
2343 | if (ret < 0) { | |
60b86755 JP |
2344 | netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n", |
2345 | ret); | |
5c52323e JK |
2346 | goto err_turn_radio_on; |
2347 | } | |
2348 | } | |
2349 | ||
2350 | if (params->bssid && !is_zero_ether_addr(params->bssid) && | |
2351 | !is_broadcast_ether_addr(params->bssid)) { | |
2352 | ret = set_bssid(usbdev, params->bssid); | |
2353 | if (ret < 0) { | |
60b86755 JP |
2354 | netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n", |
2355 | ret); | |
5c52323e JK |
2356 | goto err_turn_radio_on; |
2357 | } | |
2358 | } else | |
2359 | clear_bssid(usbdev); | |
2360 | ||
2361 | length = params->ssid_len; | |
2362 | if (length > NDIS_802_11_LENGTH_SSID) | |
2363 | length = NDIS_802_11_LENGTH_SSID; | |
2364 | ||
2365 | memset(&ssid, 0, sizeof(ssid)); | |
2366 | ssid.length = cpu_to_le32(length); | |
2367 | memcpy(ssid.essid, params->ssid, length); | |
2368 | ||
2369 | /* Don't need to pause rx queue for ad-hoc. */ | |
2370 | usbnet_purge_paused_rxq(usbdev); | |
2371 | usbnet_resume_rx(usbdev); | |
2372 | ||
2373 | ret = set_essid(usbdev, &ssid); | |
2374 | if (ret < 0) | |
60b86755 JP |
2375 | netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n", |
2376 | ret); | |
5c52323e JK |
2377 | return ret; |
2378 | ||
2379 | err_turn_radio_on: | |
051ae0bf | 2380 | disassociate(usbdev, true); |
5c52323e JK |
2381 | |
2382 | return ret; | |
2383 | } | |
2384 | ||
2385 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2386 | { | |
2387 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2388 | struct usbnet *usbdev = priv->usbdev; | |
2389 | ||
60b86755 | 2390 | netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n"); |
5c52323e JK |
2391 | |
2392 | priv->connected = false; | |
8b89a288 | 2393 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
2394 | |
2395 | return deauthenticate(usbdev); | |
2396 | } | |
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 | 2453 | |
ec3cbb9c DC |
2454 | if (key_index >= RNDIS_WLAN_NUM_KEYS) |
2455 | return -ENOENT; | |
2456 | ||
84bf8400 JK |
2457 | priv->encr_tx_key_index = key_index; |
2458 | ||
0b578021 JK |
2459 | if (is_wpa_key(priv, key_index)) |
2460 | return 0; | |
2461 | ||
84bf8400 JK |
2462 | key = priv->encr_keys[key_index]; |
2463 | ||
2464 | return add_wep_key(usbdev, key.material, key.len, key_index); | |
2465 | } | |
2466 | ||
8b89a288 JK |
2467 | static void rndis_fill_station_info(struct usbnet *usbdev, |
2468 | struct station_info *sinfo) | |
2469 | { | |
2470 | __le32 linkspeed, rssi; | |
2471 | int ret, len; | |
2472 | ||
2473 | memset(sinfo, 0, sizeof(*sinfo)); | |
2474 | ||
2475 | len = sizeof(linkspeed); | |
470f16c8 | 2476 | ret = rndis_query_oid(usbdev, RNDIS_OID_GEN_LINK_SPEED, &linkspeed, &len); |
8b89a288 JK |
2477 | if (ret == 0) { |
2478 | sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000; | |
2479 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
2480 | } | |
2481 | ||
2482 | len = sizeof(rssi); | |
470f16c8 | 2483 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI, |
4cc6c4d5 | 2484 | &rssi, &len); |
8b89a288 JK |
2485 | if (ret == 0) { |
2486 | sinfo->signal = level_to_qual(le32_to_cpu(rssi)); | |
2487 | sinfo->filled |= STATION_INFO_SIGNAL; | |
2488 | } | |
2489 | } | |
2490 | ||
2491 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, | |
2492 | u8 *mac, struct station_info *sinfo) | |
2493 | { | |
2494 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2495 | struct usbnet *usbdev = priv->usbdev; | |
2496 | ||
2e42e474 | 2497 | if (!ether_addr_equal(priv->bssid, mac)) |
8b89a288 JK |
2498 | return -ENOENT; |
2499 | ||
2500 | rndis_fill_station_info(usbdev, sinfo); | |
2501 | ||
2502 | return 0; | |
2503 | } | |
2504 | ||
d695df90 JK |
2505 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
2506 | int idx, u8 *mac, struct station_info *sinfo) | |
2507 | { | |
2508 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2509 | struct usbnet *usbdev = priv->usbdev; | |
2510 | ||
2511 | if (idx != 0) | |
2512 | return -ENOENT; | |
2513 | ||
2514 | memcpy(mac, priv->bssid, ETH_ALEN); | |
2515 | ||
2516 | rndis_fill_station_info(usbdev, sinfo); | |
2517 | ||
2518 | return 0; | |
2519 | } | |
2520 | ||
5a7d0583 JK |
2521 | static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, |
2522 | struct cfg80211_pmksa *pmksa) | |
2523 | { | |
2524 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2525 | struct usbnet *usbdev = priv->usbdev; | |
2526 | struct ndis_80211_pmkid *pmkids; | |
2527 | u32 *tmp = (u32 *)pmksa->pmkid; | |
2528 | ||
2529 | netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__, | |
2530 | pmksa->bssid, | |
2531 | cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), | |
2532 | cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3])); | |
2533 | ||
2534 | pmkids = get_device_pmkids(usbdev); | |
2535 | if (IS_ERR(pmkids)) { | |
2536 | /* couldn't read PMKID cache from device */ | |
2537 | return PTR_ERR(pmkids); | |
2538 | } | |
2539 | ||
2540 | pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids); | |
2541 | if (IS_ERR(pmkids)) { | |
2542 | /* not found, list full, etc */ | |
2543 | return PTR_ERR(pmkids); | |
2544 | } | |
2545 | ||
2546 | return set_device_pmkids(usbdev, pmkids); | |
2547 | } | |
2548 | ||
2549 | static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
2550 | struct cfg80211_pmksa *pmksa) | |
2551 | { | |
2552 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2553 | struct usbnet *usbdev = priv->usbdev; | |
2554 | struct ndis_80211_pmkid *pmkids; | |
2555 | u32 *tmp = (u32 *)pmksa->pmkid; | |
2556 | ||
2557 | netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__, | |
2558 | pmksa->bssid, | |
2559 | cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), | |
2560 | cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3])); | |
2561 | ||
2562 | pmkids = get_device_pmkids(usbdev); | |
2563 | if (IS_ERR(pmkids)) { | |
2564 | /* Couldn't read PMKID cache from device */ | |
2565 | return PTR_ERR(pmkids); | |
2566 | } | |
2567 | ||
2568 | pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids); | |
2569 | if (IS_ERR(pmkids)) { | |
2570 | /* not found, etc */ | |
2571 | return PTR_ERR(pmkids); | |
2572 | } | |
2573 | ||
2574 | return set_device_pmkids(usbdev, pmkids); | |
2575 | } | |
2576 | ||
2577 | static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) | |
2578 | { | |
2579 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2580 | struct usbnet *usbdev = priv->usbdev; | |
2581 | struct ndis_80211_pmkid pmkid; | |
2582 | ||
2583 | netdev_dbg(usbdev->net, "%s()\n", __func__); | |
2584 | ||
2585 | memset(&pmkid, 0, sizeof(pmkid)); | |
2586 | ||
2587 | pmkid.length = cpu_to_le32(sizeof(pmkid)); | |
2588 | pmkid.bssid_info_count = cpu_to_le32(0); | |
2589 | ||
470f16c8 | 2590 | return rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID, |
4cc6c4d5 | 2591 | &pmkid, sizeof(pmkid)); |
5a7d0583 JK |
2592 | } |
2593 | ||
40d70dd1 JK |
2594 | static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2595 | bool enabled, int timeout) | |
2596 | { | |
2597 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2598 | struct usbnet *usbdev = priv->usbdev; | |
2599 | int power_mode; | |
2600 | __le32 mode; | |
2601 | int ret; | |
2602 | ||
63453c05 JK |
2603 | if (priv->device_type != RNDIS_BCM4320B) |
2604 | return -ENOTSUPP; | |
2605 | ||
40d70dd1 JK |
2606 | netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__, |
2607 | enabled ? "enabled" : "disabled", | |
2608 | timeout); | |
2609 | ||
2610 | if (enabled) | |
2611 | power_mode = NDIS_80211_POWER_MODE_FAST_PSP; | |
2612 | else | |
2613 | power_mode = NDIS_80211_POWER_MODE_CAM; | |
2614 | ||
2615 | if (power_mode == priv->power_mode) | |
2616 | return 0; | |
2617 | ||
2618 | priv->power_mode = power_mode; | |
2619 | ||
2620 | mode = cpu_to_le32(power_mode); | |
470f16c8 | 2621 | ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_POWER_MODE, |
4cc6c4d5 | 2622 | &mode, sizeof(mode)); |
40d70dd1 | 2623 | |
4cc6c4d5 | 2624 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_POWER_MODE -> %d\n", |
40d70dd1 JK |
2625 | __func__, ret); |
2626 | ||
2627 | return ret; | |
2628 | } | |
2629 | ||
49b35bd3 JK |
2630 | static int rndis_set_cqm_rssi_config(struct wiphy *wiphy, |
2631 | struct net_device *dev, | |
2632 | s32 rssi_thold, u32 rssi_hyst) | |
2633 | { | |
2634 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2635 | ||
2636 | priv->cqm_rssi_thold = rssi_thold; | |
2637 | priv->cqm_rssi_hyst = rssi_hyst; | |
2638 | priv->last_cqm_event_rssi = 0; | |
2639 | ||
2640 | return 0; | |
2641 | } | |
2642 | ||
b5257c95 JK |
2643 | static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid, |
2644 | struct ndis_80211_assoc_info *info) | |
2645 | { | |
2646 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
2647 | struct ieee80211_channel *channel; | |
b5257c95 | 2648 | struct ndis_80211_ssid ssid; |
a64e2e23 | 2649 | struct cfg80211_bss *bss; |
b5257c95 JK |
2650 | s32 signal; |
2651 | u64 timestamp; | |
2652 | u16 capability; | |
f808e4ad | 2653 | u32 beacon_period = 0; |
b5257c95 JK |
2654 | __le32 rssi; |
2655 | u8 ie_buf[34]; | |
2656 | int len, ret, ie_len; | |
2657 | ||
2658 | /* Get signal quality, in case of error use rssi=0 and ignore error. */ | |
2659 | len = sizeof(rssi); | |
2660 | rssi = 0; | |
470f16c8 | 2661 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI, |
4cc6c4d5 | 2662 | &rssi, &len); |
b5257c95 JK |
2663 | signal = level_to_qual(le32_to_cpu(rssi)); |
2664 | ||
4cc6c4d5 | 2665 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_RSSI -> %d, " |
b5257c95 JK |
2666 | "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi), |
2667 | level_to_qual(le32_to_cpu(rssi))); | |
2668 | ||
2669 | /* Get AP capabilities */ | |
2670 | if (info) { | |
2671 | capability = le16_to_cpu(info->resp_ie.capa); | |
2672 | } else { | |
2673 | /* Set atleast ESS/IBSS capability */ | |
2674 | capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ? | |
2675 | WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS; | |
2676 | } | |
2677 | ||
2678 | /* Get channel and beacon interval */ | |
f808e4ad | 2679 | channel = get_current_channel(usbdev, &beacon_period); |
cb82a66d JK |
2680 | if (!channel) { |
2681 | netdev_warn(usbdev->net, "%s(): could not get channel.\n", | |
2682 | __func__); | |
b5257c95 JK |
2683 | return; |
2684 | } | |
2685 | ||
2686 | /* Get SSID, in case of error, use zero length SSID and ignore error. */ | |
2687 | len = sizeof(ssid); | |
2688 | memset(&ssid, 0, sizeof(ssid)); | |
470f16c8 | 2689 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_SSID, |
4cc6c4d5 LW |
2690 | &ssid, &len); |
2691 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_SSID -> %d, len: %d, ssid: " | |
b5257c95 JK |
2692 | "'%.32s'\n", __func__, ret, |
2693 | le32_to_cpu(ssid.length), ssid.essid); | |
2694 | ||
2695 | if (le32_to_cpu(ssid.length) > 32) | |
2696 | ssid.length = cpu_to_le32(32); | |
2697 | ||
2698 | ie_buf[0] = WLAN_EID_SSID; | |
2699 | ie_buf[1] = le32_to_cpu(ssid.length); | |
2700 | memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length)); | |
2701 | ||
2702 | ie_len = le32_to_cpu(ssid.length) + 2; | |
2703 | ||
2704 | /* no tsf */ | |
2705 | timestamp = 0; | |
2706 | ||
2707 | netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, " | |
2708 | "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), " | |
2709 | "signal:%d\n", __func__, (channel ? channel->center_freq : -1), | |
f808e4ad | 2710 | bssid, (u32)timestamp, capability, beacon_period, ie_len, |
b5257c95 JK |
2711 | ssid.essid, signal); |
2712 | ||
a64e2e23 | 2713 | bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid, |
f808e4ad | 2714 | timestamp, capability, beacon_period, ie_buf, ie_len, |
b5257c95 | 2715 | signal, GFP_KERNEL); |
a64e2e23 | 2716 | cfg80211_put_bss(bss); |
b5257c95 JK |
2717 | } |
2718 | ||
c5c4fe90 JK |
2719 | /* |
2720 | * workers, indication handlers, device poller | |
2721 | */ | |
0848e6c6 | 2722 | static void rndis_wlan_do_link_up_work(struct usbnet *usbdev) |
bf164cc0 | 2723 | { |
5c52323e | 2724 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
3d1ca47e | 2725 | struct ndis_80211_assoc_info *info = NULL; |
0848e6c6 | 2726 | u8 bssid[ETH_ALEN]; |
41eedf39 DC |
2727 | unsigned int resp_ie_len, req_ie_len; |
2728 | unsigned int offset; | |
5c52323e | 2729 | u8 *req_ie, *resp_ie; |
41eedf39 | 2730 | int ret; |
5c52323e | 2731 | bool roamed = false; |
b5257c95 | 2732 | bool match_bss; |
bf164cc0 | 2733 | |
5c52323e JK |
2734 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) { |
2735 | /* received media connect indication while connected, either | |
2736 | * device reassociated with same AP or roamed to new. */ | |
2737 | roamed = true; | |
2738 | } | |
0848e6c6 | 2739 | |
5c52323e JK |
2740 | req_ie_len = 0; |
2741 | resp_ie_len = 0; | |
2742 | req_ie = NULL; | |
2743 | resp_ie = NULL; | |
2744 | ||
2745 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
3d1ca47e JK |
2746 | info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL); |
2747 | if (!info) { | |
2748 | /* No memory? Try resume work later */ | |
2749 | set_bit(WORK_LINK_UP, &priv->work_pending); | |
2750 | queue_work(priv->workqueue, &priv->work); | |
2751 | return; | |
2752 | } | |
5c52323e | 2753 | |
3d1ca47e JK |
2754 | /* Get association info IEs from device. */ |
2755 | ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE); | |
5c52323e JK |
2756 | if (!ret) { |
2757 | req_ie_len = le32_to_cpu(info->req_ie_length); | |
41eedf39 DC |
2758 | if (req_ie_len > CONTROL_BUFFER_SIZE) |
2759 | req_ie_len = CONTROL_BUFFER_SIZE; | |
2760 | if (req_ie_len != 0) { | |
5c52323e | 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); | |
41eedf39 DC |
2774 | if (resp_ie_len > CONTROL_BUFFER_SIZE) |
2775 | resp_ie_len = CONTROL_BUFFER_SIZE; | |
2776 | if (resp_ie_len != 0) { | |
5c52323e | 2777 | offset = le32_to_cpu(info->offset_resp_ies); |
3d1ca47e JK |
2778 | |
2779 | if (offset > CONTROL_BUFFER_SIZE) | |
2780 | offset = CONTROL_BUFFER_SIZE; | |
2781 | ||
5c52323e | 2782 | resp_ie = (u8 *)info + offset; |
3d1ca47e JK |
2783 | |
2784 | if (offset + resp_ie_len > CONTROL_BUFFER_SIZE) | |
2785 | resp_ie_len = | |
2786 | CONTROL_BUFFER_SIZE - offset; | |
5c52323e | 2787 | } |
b5257c95 JK |
2788 | } else { |
2789 | /* Since rndis_wlan_craft_connected_bss() might use info | |
2790 | * later and expects info to contain valid data if | |
2791 | * non-null, free info and set NULL here. | |
2792 | */ | |
2793 | kfree(info); | |
2794 | info = NULL; | |
4364623c | 2795 | } |
5c52323e JK |
2796 | } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC)) |
2797 | return; | |
4364623c | 2798 | |
5c52323e JK |
2799 | ret = get_bssid(usbdev, bssid); |
2800 | if (ret < 0) | |
2801 | memset(bssid, 0, sizeof(bssid)); | |
7834ddbc | 2802 | |
60b86755 JP |
2803 | netdev_dbg(usbdev->net, "link up work: [%pM]%s\n", |
2804 | bssid, roamed ? " roamed" : ""); | |
bf164cc0 | 2805 | |
b5257c95 | 2806 | /* Internal bss list in device should contain at least the currently |
5c52323e JK |
2807 | * connected bss and we can get it to cfg80211 with |
2808 | * rndis_check_bssid_list(). | |
b5257c95 JK |
2809 | * |
2810 | * NDIS spec says: "If the device is associated, but the associated | |
2811 | * BSSID is not in its BSSID scan list, then the driver must add an | |
2812 | * entry for the BSSID at the end of the data that it returns in | |
4cc6c4d5 | 2813 | * response to query of RNDIS_OID_802_11_BSSID_LIST." |
b5257c95 JK |
2814 | * |
2815 | * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a. | |
5c52323e | 2816 | */ |
b5257c95 JK |
2817 | match_bss = false; |
2818 | rndis_check_bssid_list(usbdev, bssid, &match_bss); | |
2819 | ||
2820 | if (!is_zero_ether_addr(bssid) && !match_bss) { | |
2821 | /* Couldn't get bss from device, we need to manually craft bss | |
2822 | * for cfg80211. | |
2823 | */ | |
2824 | rndis_wlan_craft_connected_bss(usbdev, bssid, info); | |
2825 | } | |
5c52323e JK |
2826 | |
2827 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
2828 | if (!roamed) | |
2829 | cfg80211_connect_result(usbdev->net, bssid, req_ie, | |
2830 | req_ie_len, resp_ie, | |
2831 | resp_ie_len, 0, GFP_KERNEL); | |
2832 | else | |
6f104a08 JK |
2833 | cfg80211_roamed(usbdev->net, |
2834 | get_current_channel(usbdev, NULL), | |
2835 | bssid, req_ie, req_ie_len, | |
5c52323e JK |
2836 | resp_ie, resp_ie_len, GFP_KERNEL); |
2837 | } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) | |
2838 | cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL); | |
2839 | ||
3d1ca47e JK |
2840 | if (info != NULL) |
2841 | kfree(info); | |
2842 | ||
5c52323e | 2843 | priv->connected = true; |
8b89a288 | 2844 | memcpy(priv->bssid, bssid, ETH_ALEN); |
6010ce07 | 2845 | |
0848e6c6 | 2846 | usbnet_resume_rx(usbdev); |
5c52323e | 2847 | netif_carrier_on(usbdev->net); |
0848e6c6 JK |
2848 | } |
2849 | ||
2850 | static void rndis_wlan_do_link_down_work(struct usbnet *usbdev) | |
2851 | { | |
b6411fc2 | 2852 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
0848e6c6 | 2853 | |
b6411fc2 JK |
2854 | if (priv->connected) { |
2855 | priv->connected = false; | |
2856 | memset(priv->bssid, 0, ETH_ALEN); | |
2857 | ||
2858 | deauthenticate(usbdev); | |
0848e6c6 | 2859 | |
b6411fc2 JK |
2860 | cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL); |
2861 | } | |
2862 | ||
2863 | netif_carrier_off(usbdev->net); | |
0848e6c6 JK |
2864 | } |
2865 | ||
2866 | static void rndis_wlan_worker(struct work_struct *work) | |
2867 | { | |
2868 | struct rndis_wlan_private *priv = | |
2869 | container_of(work, struct rndis_wlan_private, work); | |
2870 | struct usbnet *usbdev = priv->usbdev; | |
2871 | ||
2872 | if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) | |
2873 | rndis_wlan_do_link_up_work(usbdev); | |
2874 | ||
2875 | if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) | |
2876 | rndis_wlan_do_link_down_work(usbdev); | |
2877 | ||
bf164cc0 JK |
2878 | if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2879 | set_multicast_list(usbdev); | |
2880 | } | |
2881 | ||
582241a0 | 2882 | static void rndis_wlan_set_multicast_list(struct net_device *dev) |
bf164cc0 | 2883 | { |
524ad0a7 | 2884 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2885 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2886 | |
a67edb9e JK |
2887 | if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2888 | return; | |
2889 | ||
bf164cc0 JK |
2890 | set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
2891 | queue_work(priv->workqueue, &priv->work); | |
2892 | } | |
2893 | ||
030645ac JK |
2894 | static void rndis_wlan_auth_indication(struct usbnet *usbdev, |
2895 | struct ndis_80211_status_indication *indication, | |
2896 | int len) | |
2897 | { | |
2898 | u8 *buf; | |
2899 | const char *type; | |
a0f9ce2a | 2900 | int flags, buflen, key_id; |
030645ac JK |
2901 | bool pairwise_error, group_error; |
2902 | struct ndis_80211_auth_request *auth_req; | |
a0f9ce2a | 2903 | enum nl80211_key_type key_type; |
030645ac JK |
2904 | |
2905 | /* must have at least one array entry */ | |
2906 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2907 | sizeof(struct ndis_80211_auth_request)) { | |
60b86755 JP |
2908 | netdev_info(usbdev->net, "authentication indication: too short message (%i)\n", |
2909 | len); | |
030645ac JK |
2910 | return; |
2911 | } | |
2912 | ||
2913 | buf = (void *)&indication->u.auth_request[0]; | |
2914 | buflen = len - offsetof(struct ndis_80211_status_indication, u); | |
2915 | ||
2916 | while (buflen >= sizeof(*auth_req)) { | |
2917 | auth_req = (void *)buf; | |
2918 | type = "unknown"; | |
2919 | flags = le32_to_cpu(auth_req->flags); | |
2920 | pairwise_error = false; | |
2921 | group_error = false; | |
2922 | ||
2923 | if (flags & 0x1) | |
2924 | type = "reauth request"; | |
2925 | if (flags & 0x2) | |
2926 | type = "key update request"; | |
2927 | if (flags & 0x6) { | |
2928 | pairwise_error = true; | |
2929 | type = "pairwise_error"; | |
2930 | } | |
2931 | if (flags & 0xe) { | |
2932 | group_error = true; | |
2933 | type = "group_error"; | |
2934 | } | |
2935 | ||
60b86755 JP |
2936 | netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n", |
2937 | type, le32_to_cpu(auth_req->flags)); | |
030645ac | 2938 | |
a0f9ce2a JK |
2939 | if (pairwise_error) { |
2940 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
2941 | key_id = -1; | |
030645ac | 2942 | |
a0f9ce2a JK |
2943 | cfg80211_michael_mic_failure(usbdev->net, |
2944 | auth_req->bssid, | |
2945 | key_type, key_id, NULL, | |
2946 | GFP_KERNEL); | |
2947 | } | |
030645ac | 2948 | |
a0f9ce2a JK |
2949 | if (group_error) { |
2950 | key_type = NL80211_KEYTYPE_GROUP; | |
2951 | key_id = -1; | |
030645ac | 2952 | |
a0f9ce2a JK |
2953 | cfg80211_michael_mic_failure(usbdev->net, |
2954 | auth_req->bssid, | |
2955 | key_type, key_id, NULL, | |
2956 | GFP_KERNEL); | |
030645ac JK |
2957 | } |
2958 | ||
2959 | buflen -= le32_to_cpu(auth_req->length); | |
2960 | buf += le32_to_cpu(auth_req->length); | |
2961 | } | |
2962 | } | |
2963 | ||
2964 | static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev, | |
2965 | struct ndis_80211_status_indication *indication, | |
2966 | int len) | |
2967 | { | |
2968 | struct ndis_80211_pmkid_cand_list *cand_list; | |
2969 | int list_len, expected_len, i; | |
2970 | ||
2971 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2972 | sizeof(struct ndis_80211_pmkid_cand_list)) { | |
60b86755 JP |
2973 | netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n", |
2974 | len); | |
030645ac JK |
2975 | return; |
2976 | } | |
2977 | ||
2978 | list_len = le32_to_cpu(indication->u.cand_list.num_candidates) * | |
2979 | sizeof(struct ndis_80211_pmkid_candidate); | |
2980 | expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len + | |
2981 | offsetof(struct ndis_80211_status_indication, u); | |
2982 | ||
2983 | if (len < expected_len) { | |
60b86755 JP |
2984 | netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n", |
2985 | len, expected_len); | |
030645ac JK |
2986 | return; |
2987 | } | |
2988 | ||
2989 | cand_list = &indication->u.cand_list; | |
2990 | ||
60b86755 JP |
2991 | netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n", |
2992 | le32_to_cpu(cand_list->version), | |
2993 | le32_to_cpu(cand_list->num_candidates)); | |
030645ac JK |
2994 | |
2995 | if (le32_to_cpu(cand_list->version) != 1) | |
2996 | return; | |
2997 | ||
2998 | for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) { | |
030645ac JK |
2999 | struct ndis_80211_pmkid_candidate *cand = |
3000 | &cand_list->candidate_list[i]; | |
1c706875 | 3001 | bool preauth = !!(cand->flags & NDIS_80211_PMKID_CAND_PREAUTH); |
030645ac | 3002 | |
1c706875 JK |
3003 | netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n", |
3004 | i, le32_to_cpu(cand->flags), preauth, cand->bssid); | |
21ec2d8d | 3005 | |
1c706875 JK |
3006 | cfg80211_pmksa_candidate_notify(usbdev->net, i, cand->bssid, |
3007 | preauth, GFP_ATOMIC); | |
030645ac JK |
3008 | } |
3009 | } | |
3010 | ||
3011 | static void rndis_wlan_media_specific_indication(struct usbnet *usbdev, | |
3012 | struct rndis_indicate *msg, int buflen) | |
3013 | { | |
3014 | struct ndis_80211_status_indication *indication; | |
e4e02da2 | 3015 | unsigned int len, offset; |
030645ac JK |
3016 | |
3017 | offset = offsetof(struct rndis_indicate, status) + | |
3018 | le32_to_cpu(msg->offset); | |
3019 | len = le32_to_cpu(msg->length); | |
3020 | ||
3021 | if (len < 8) { | |
60b86755 JP |
3022 | netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n", |
3023 | len); | |
030645ac JK |
3024 | return; |
3025 | } | |
3026 | ||
e4e02da2 | 3027 | if (len > buflen || offset > buflen || offset + len > buflen) { |
60b86755 JP |
3028 | netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n", |
3029 | offset + len, buflen); | |
030645ac JK |
3030 | return; |
3031 | } | |
3032 | ||
3033 | indication = (void *)((u8 *)msg + offset); | |
3034 | ||
3035 | switch (le32_to_cpu(indication->status_type)) { | |
3036 | case NDIS_80211_STATUSTYPE_RADIOSTATE: | |
60b86755 JP |
3037 | netdev_info(usbdev->net, "radio state indication: %i\n", |
3038 | le32_to_cpu(indication->u.radio_status)); | |
030645ac JK |
3039 | return; |
3040 | ||
3041 | case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE: | |
60b86755 JP |
3042 | netdev_info(usbdev->net, "media stream mode indication: %i\n", |
3043 | le32_to_cpu(indication->u.media_stream_mode)); | |
030645ac JK |
3044 | return; |
3045 | ||
3046 | case NDIS_80211_STATUSTYPE_AUTHENTICATION: | |
3047 | rndis_wlan_auth_indication(usbdev, indication, len); | |
3048 | return; | |
3049 | ||
3050 | case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST: | |
3051 | rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len); | |
3052 | return; | |
3053 | ||
3054 | default: | |
60b86755 JP |
3055 | netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n", |
3056 | le32_to_cpu(indication->status_type)); | |
030645ac JK |
3057 | } |
3058 | } | |
3059 | ||
2a4901bc | 3060 | static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) |
bf164cc0 | 3061 | { |
582241a0 | 3062 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2a4901bc | 3063 | struct rndis_indicate *msg = ind; |
bf164cc0 | 3064 | |
117599e0 JK |
3065 | switch (le32_to_cpu(msg->status)) { |
3066 | case RNDIS_STATUS_MEDIA_CONNECT: | |
470f16c8 JK |
3067 | if (priv->current_command_oid == RNDIS_OID_802_11_ADD_KEY) { |
3068 | /* RNDIS_OID_802_11_ADD_KEY causes sometimes extra | |
5f81ff5a JK |
3069 | * "media connect" indications which confuses driver |
3070 | * and userspace to think that device is | |
3071 | * roaming/reassociating when it isn't. | |
3072 | */ | |
4cc6c4d5 | 3073 | netdev_dbg(usbdev->net, "ignored RNDIS_OID_802_11_ADD_KEY triggered 'media connect'\n"); |
5f81ff5a JK |
3074 | return; |
3075 | } | |
3076 | ||
7834ddbc JK |
3077 | usbnet_pause_rx(usbdev); |
3078 | ||
60b86755 | 3079 | netdev_info(usbdev->net, "media connect\n"); |
2a4901bc | 3080 | |
030645ac | 3081 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
3082 | set_bit(WORK_LINK_UP, &priv->work_pending); |
3083 | queue_work(priv->workqueue, &priv->work); | |
3084 | break; | |
3085 | ||
117599e0 | 3086 | case RNDIS_STATUS_MEDIA_DISCONNECT: |
60b86755 | 3087 | netdev_info(usbdev->net, "media disconnect\n"); |
2a4901bc | 3088 | |
030645ac | 3089 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
3090 | set_bit(WORK_LINK_DOWN, &priv->work_pending); |
3091 | queue_work(priv->workqueue, &priv->work); | |
3092 | break; | |
3093 | ||
117599e0 | 3094 | case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION: |
030645ac JK |
3095 | rndis_wlan_media_specific_indication(usbdev, msg, buflen); |
3096 | break; | |
3097 | ||
2a4901bc | 3098 | default: |
60b86755 JP |
3099 | netdev_info(usbdev->net, "indication: 0x%08x\n", |
3100 | le32_to_cpu(msg->status)); | |
2a4901bc JK |
3101 | break; |
3102 | } | |
bf164cc0 JK |
3103 | } |
3104 | ||
0308383f | 3105 | static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy) |
bf164cc0 JK |
3106 | { |
3107 | struct { | |
3108 | __le32 num_items; | |
3109 | __le32 items[8]; | |
3110 | } networks_supported; | |
0308383f JK |
3111 | struct ndis_80211_capability *caps; |
3112 | u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16]; | |
bf164cc0 | 3113 | int len, retval, i, n; |
582241a0 | 3114 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 3115 | |
bf164cc0 JK |
3116 | /* determine supported modes */ |
3117 | len = sizeof(networks_supported); | |
4cc6c4d5 | 3118 | retval = rndis_query_oid(usbdev, |
470f16c8 | 3119 | RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED, |
4cc6c4d5 | 3120 | &networks_supported, &len); |
bf164cc0 JK |
3121 | if (retval >= 0) { |
3122 | n = le32_to_cpu(networks_supported.num_items); | |
3123 | if (n > 8) | |
3124 | n = 8; | |
3125 | for (i = 0; i < n; i++) { | |
3126 | switch (le32_to_cpu(networks_supported.items[i])) { | |
aa18294a JK |
3127 | case NDIS_80211_TYPE_FREQ_HOP: |
3128 | case NDIS_80211_TYPE_DIRECT_SEQ: | |
bf164cc0 JK |
3129 | priv->caps |= CAP_MODE_80211B; |
3130 | break; | |
aa18294a | 3131 | case NDIS_80211_TYPE_OFDM_A: |
bf164cc0 JK |
3132 | priv->caps |= CAP_MODE_80211A; |
3133 | break; | |
aa18294a | 3134 | case NDIS_80211_TYPE_OFDM_G: |
bf164cc0 JK |
3135 | priv->caps |= CAP_MODE_80211G; |
3136 | break; | |
3137 | } | |
3138 | } | |
bf164cc0 JK |
3139 | } |
3140 | ||
0308383f JK |
3141 | /* get device 802.11 capabilities, number of PMKIDs */ |
3142 | caps = (struct ndis_80211_capability *)caps_buf; | |
3143 | len = sizeof(caps_buf); | |
4cc6c4d5 | 3144 | retval = rndis_query_oid(usbdev, |
470f16c8 | 3145 | RNDIS_OID_802_11_CAPABILITY, |
4cc6c4d5 | 3146 | caps, &len); |
0308383f | 3147 | if (retval >= 0) { |
4cc6c4d5 | 3148 | netdev_dbg(usbdev->net, "RNDIS_OID_802_11_CAPABILITY -> len %d, " |
0308383f JK |
3149 | "ver %d, pmkids %d, auth-encr-pairs %d\n", |
3150 | le32_to_cpu(caps->length), | |
3151 | le32_to_cpu(caps->version), | |
3152 | le32_to_cpu(caps->num_pmkids), | |
3153 | le32_to_cpu(caps->num_auth_encr_pair)); | |
3154 | wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids); | |
3155 | } else | |
3156 | wiphy->max_num_pmkids = 0; | |
3157 | ||
bf164cc0 JK |
3158 | return retval; |
3159 | } | |
3160 | ||
49b35bd3 JK |
3161 | static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi) |
3162 | { | |
3163 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
3164 | enum nl80211_cqm_rssi_threshold_event event; | |
3165 | int thold, hyst, last_event; | |
3166 | ||
3167 | if (priv->cqm_rssi_thold >= 0 || rssi >= 0) | |
3168 | return; | |
3169 | if (priv->infra_mode != NDIS_80211_INFRA_INFRA) | |
3170 | return; | |
3171 | ||
3172 | last_event = priv->last_cqm_event_rssi; | |
3173 | thold = priv->cqm_rssi_thold; | |
3174 | hyst = priv->cqm_rssi_hyst; | |
3175 | ||
3176 | if (rssi < thold && (last_event == 0 || rssi < last_event - hyst)) | |
3177 | event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; | |
3178 | else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst)) | |
3179 | event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; | |
3180 | else | |
3181 | return; | |
3182 | ||
3183 | priv->last_cqm_event_rssi = rssi; | |
3184 | cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL); | |
3185 | } | |
3186 | ||
305e243e JK |
3187 | #define DEVICE_POLLER_JIFFIES (HZ) |
3188 | static void rndis_device_poller(struct work_struct *work) | |
bf164cc0 | 3189 | { |
582241a0 | 3190 | struct rndis_wlan_private *priv = |
305e243e JK |
3191 | container_of(work, struct rndis_wlan_private, |
3192 | dev_poller_work.work); | |
bf164cc0 | 3193 | struct usbnet *usbdev = priv->usbdev; |
bf164cc0 | 3194 | __le32 rssi, tmp; |
a97b1f3d | 3195 | int len, ret, j; |
305e243e | 3196 | int update_jiffies = DEVICE_POLLER_JIFFIES; |
bf164cc0 JK |
3197 | void *buf; |
3198 | ||
8b89a288 JK |
3199 | /* Only check/do workaround when connected. Calling is_associated() |
3200 | * also polls device with rndis_command() and catches for media link | |
3201 | * indications. | |
3202 | */ | |
5cb56af2 JK |
3203 | if (!is_associated(usbdev)) { |
3204 | /* Workaround bad scanning in BCM4320a devices with active | |
3205 | * background scanning when not associated. | |
3206 | */ | |
3207 | if (priv->device_type == RNDIS_BCM4320A && priv->radio_on && | |
3208 | !priv->scan_request) { | |
3209 | /* Get previous scan results */ | |
3210 | rndis_check_bssid_list(usbdev, NULL, NULL); | |
3211 | ||
3212 | /* Initiate new scan */ | |
3213 | rndis_start_bssid_list_scan(usbdev); | |
3214 | } | |
3215 | ||
bf164cc0 | 3216 | goto end; |
5cb56af2 | 3217 | } |
bf164cc0 JK |
3218 | |
3219 | len = sizeof(rssi); | |
470f16c8 | 3220 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI, |
4cc6c4d5 | 3221 | &rssi, &len); |
49b35bd3 | 3222 | if (ret == 0) { |
8b89a288 | 3223 | priv->last_qual = level_to_qual(le32_to_cpu(rssi)); |
49b35bd3 JK |
3224 | rndis_do_cqm(usbdev, le32_to_cpu(rssi)); |
3225 | } | |
bf164cc0 | 3226 | |
4cc6c4d5 | 3227 | netdev_dbg(usbdev->net, "dev-poller: RNDIS_OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n", |
60b86755 | 3228 | ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi))); |
bf164cc0 | 3229 | |
a97b1f3d JK |
3230 | /* Workaround transfer stalls on poor quality links. |
3231 | * TODO: find right way to fix these stalls (as stalls do not happen | |
3232 | * with ndiswrapper/windows driver). */ | |
77593ae2 | 3233 | if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) { |
bf164cc0 JK |
3234 | /* Decrease stats worker interval to catch stalls. |
3235 | * faster. Faster than 400-500ms causes packet loss, | |
3236 | * Slower doesn't catch stalls fast enough. | |
3237 | */ | |
3238 | j = msecs_to_jiffies(priv->param_workaround_interval); | |
305e243e JK |
3239 | if (j > DEVICE_POLLER_JIFFIES) |
3240 | j = DEVICE_POLLER_JIFFIES; | |
bf164cc0 JK |
3241 | else if (j <= 0) |
3242 | j = 1; | |
3243 | update_jiffies = j; | |
3244 | ||
3245 | /* Send scan OID. Use of both OIDs is required to get device | |
3246 | * working. | |
3247 | */ | |
35c26c2c | 3248 | tmp = cpu_to_le32(1); |
4cc6c4d5 | 3249 | rndis_set_oid(usbdev, |
470f16c8 | 3250 | RNDIS_OID_802_11_BSSID_LIST_SCAN, |
4cc6c4d5 | 3251 | &tmp, sizeof(tmp)); |
bf164cc0 JK |
3252 | |
3253 | len = CONTROL_BUFFER_SIZE; | |
3254 | buf = kmalloc(len, GFP_KERNEL); | |
3255 | if (!buf) | |
3256 | goto end; | |
3257 | ||
4cc6c4d5 | 3258 | rndis_query_oid(usbdev, |
470f16c8 | 3259 | RNDIS_OID_802_11_BSSID_LIST, |
4cc6c4d5 | 3260 | buf, &len); |
bf164cc0 JK |
3261 | kfree(buf); |
3262 | } | |
bf164cc0 | 3263 | |
305e243e | 3264 | end: |
bf164cc0 JK |
3265 | if (update_jiffies >= HZ) |
3266 | update_jiffies = round_jiffies_relative(update_jiffies); | |
3267 | else { | |
3268 | j = round_jiffies_relative(update_jiffies); | |
3269 | if (abs(j - update_jiffies) <= 10) | |
3270 | update_jiffies = j; | |
3271 | } | |
3272 | ||
305e243e JK |
3273 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
3274 | update_jiffies); | |
bf164cc0 JK |
3275 | } |
3276 | ||
c5c4fe90 JK |
3277 | /* |
3278 | * driver/device initialization | |
3279 | */ | |
5cb56af2 | 3280 | static void rndis_copy_module_params(struct usbnet *usbdev, int device_type) |
bf164cc0 | 3281 | { |
582241a0 | 3282 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 3283 | |
5cb56af2 JK |
3284 | priv->device_type = device_type; |
3285 | ||
bf164cc0 JK |
3286 | priv->param_country[0] = modparam_country[0]; |
3287 | priv->param_country[1] = modparam_country[1]; | |
3288 | priv->param_country[2] = 0; | |
3289 | priv->param_frameburst = modparam_frameburst; | |
3290 | priv->param_afterburner = modparam_afterburner; | |
3291 | priv->param_power_save = modparam_power_save; | |
3292 | priv->param_power_output = modparam_power_output; | |
3293 | priv->param_roamtrigger = modparam_roamtrigger; | |
3294 | priv->param_roamdelta = modparam_roamdelta; | |
bf164cc0 JK |
3295 | |
3296 | priv->param_country[0] = toupper(priv->param_country[0]); | |
3297 | priv->param_country[1] = toupper(priv->param_country[1]); | |
3298 | /* doesn't support EU as country code, use FI instead */ | |
3299 | if (!strcmp(priv->param_country, "EU")) | |
3300 | strcpy(priv->param_country, "FI"); | |
3301 | ||
3302 | if (priv->param_power_save < 0) | |
3303 | priv->param_power_save = 0; | |
3304 | else if (priv->param_power_save > 2) | |
3305 | priv->param_power_save = 2; | |
3306 | ||
a7624837 JK |
3307 | if (priv->param_power_output < 0) |
3308 | priv->param_power_output = 0; | |
3309 | else if (priv->param_power_output > 3) | |
3310 | priv->param_power_output = 3; | |
3311 | ||
bf164cc0 JK |
3312 | if (priv->param_roamtrigger < -80) |
3313 | priv->param_roamtrigger = -80; | |
3314 | else if (priv->param_roamtrigger > -60) | |
3315 | priv->param_roamtrigger = -60; | |
3316 | ||
3317 | if (priv->param_roamdelta < 0) | |
3318 | priv->param_roamdelta = 0; | |
3319 | else if (priv->param_roamdelta > 2) | |
3320 | priv->param_roamdelta = 2; | |
3321 | ||
4d381ffb | 3322 | if (modparam_workaround_interval < 0) |
bf164cc0 | 3323 | priv->param_workaround_interval = 500; |
4d381ffb RK |
3324 | else |
3325 | priv->param_workaround_interval = modparam_workaround_interval; | |
cef6e912 JK |
3326 | } |
3327 | ||
5cb56af2 JK |
3328 | static int unknown_early_init(struct usbnet *usbdev) |
3329 | { | |
3330 | /* copy module parameters for unknown so that iwconfig reports txpower | |
3331 | * and workaround parameter is copied to private structure correctly. | |
3332 | */ | |
3333 | rndis_copy_module_params(usbdev, RNDIS_UNKNOWN); | |
3334 | ||
3335 | /* This is unknown device, so do not try set configuration parameters. | |
3336 | */ | |
3337 | ||
3338 | return 0; | |
3339 | } | |
3340 | ||
cef6e912 JK |
3341 | static int bcm4320a_early_init(struct usbnet *usbdev) |
3342 | { | |
6e850af5 JK |
3343 | /* copy module parameters for bcm4320a so that iwconfig reports txpower |
3344 | * and workaround parameter is copied to private structure correctly. | |
3345 | */ | |
5cb56af2 | 3346 | rndis_copy_module_params(usbdev, RNDIS_BCM4320A); |
6e850af5 | 3347 | |
cef6e912 JK |
3348 | /* bcm4320a doesn't handle configuration parameters well. Try |
3349 | * set any and you get partially zeroed mac and broken device. | |
3350 | */ | |
3351 | ||
3352 | return 0; | |
3353 | } | |
3354 | ||
3355 | static int bcm4320b_early_init(struct usbnet *usbdev) | |
3356 | { | |
3357 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
3358 | char buf[8]; | |
3359 | ||
5cb56af2 | 3360 | rndis_copy_module_params(usbdev, RNDIS_BCM4320B); |
cef6e912 JK |
3361 | |
3362 | /* Early initialization settings, setting these won't have effect | |
3363 | * if called after generic_rndis_bind(). | |
3364 | */ | |
bf164cc0 | 3365 | |
a19d7292 JK |
3366 | rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
3367 | rndis_set_config_parameter_str(usbdev, "FrameBursting", | |
bf164cc0 | 3368 | priv->param_frameburst ? "1" : "0"); |
a19d7292 | 3369 | rndis_set_config_parameter_str(usbdev, "Afterburner", |
bf164cc0 JK |
3370 | priv->param_afterburner ? "1" : "0"); |
3371 | sprintf(buf, "%d", priv->param_power_save); | |
a19d7292 | 3372 | rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
bf164cc0 | 3373 | sprintf(buf, "%d", priv->param_power_output); |
a19d7292 | 3374 | rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
bf164cc0 | 3375 | sprintf(buf, "%d", priv->param_roamtrigger); |
a19d7292 | 3376 | rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
bf164cc0 | 3377 | sprintf(buf, "%d", priv->param_roamdelta); |
a19d7292 | 3378 | rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
bf164cc0 JK |
3379 | |
3380 | return 0; | |
3381 | } | |
3382 | ||
23d12e2b | 3383 | /* same as rndis_netdev_ops but with local multicast handler */ |
582241a0 | 3384 | static const struct net_device_ops rndis_wlan_netdev_ops = { |
23d12e2b DM |
3385 | .ndo_open = usbnet_open, |
3386 | .ndo_stop = usbnet_stop, | |
3387 | .ndo_start_xmit = usbnet_start_xmit, | |
3388 | .ndo_tx_timeout = usbnet_tx_timeout, | |
3389 | .ndo_set_mac_address = eth_mac_addr, | |
3390 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3391 | .ndo_set_rx_mode = rndis_wlan_set_multicast_list, |
23d12e2b DM |
3392 | }; |
3393 | ||
582241a0 | 3394 | static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 3395 | { |
5c8fa4f7 | 3396 | struct wiphy *wiphy; |
582241a0 | 3397 | struct rndis_wlan_private *priv; |
bf164cc0 JK |
3398 | int retval, len; |
3399 | __le32 tmp; | |
3400 | ||
5c8fa4f7 JL |
3401 | /* allocate wiphy and rndis private data |
3402 | * NOTE: We only support a single virtual interface, so wiphy | |
3403 | * and wireless_dev are somewhat synonymous for this device. | |
3404 | */ | |
582241a0 | 3405 | wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private)); |
5c8fa4f7 | 3406 | if (!wiphy) |
bf164cc0 JK |
3407 | return -ENOMEM; |
3408 | ||
5c8fa4f7 JL |
3409 | priv = wiphy_priv(wiphy); |
3410 | usbdev->net->ieee80211_ptr = &priv->wdev; | |
3411 | priv->wdev.wiphy = wiphy; | |
3412 | priv->wdev.iftype = NL80211_IFTYPE_STATION; | |
3413 | ||
bf164cc0 | 3414 | /* These have to be initialized before calling generic_rndis_bind(). |
582241a0 | 3415 | * Otherwise we'll be in big trouble in rndis_wlan_early_init(). |
bf164cc0 | 3416 | */ |
a19d7292 | 3417 | usbdev->driver_priv = priv; |
a19d7292 | 3418 | priv->usbdev = usbdev; |
bf164cc0 JK |
3419 | |
3420 | mutex_init(&priv->command_lock); | |
bf164cc0 | 3421 | |
8d4d99ae JK |
3422 | /* because rndis_command() sleeps we need to use workqueue */ |
3423 | priv->workqueue = create_singlethread_workqueue("rndis_wlan"); | |
582241a0 | 3424 | INIT_WORK(&priv->work, rndis_wlan_worker); |
305e243e | 3425 | INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller); |
8d4d99ae JK |
3426 | INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results); |
3427 | ||
bf164cc0 | 3428 | /* try bind rndis_host */ |
a19d7292 | 3429 | retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
bf164cc0 JK |
3430 | if (retval < 0) |
3431 | goto fail; | |
3432 | ||
3433 | /* generic_rndis_bind set packet filter to multicast_all+ | |
3434 | * promisc mode which doesn't work well for our devices (device | |
3435 | * picks up rssi to closest station instead of to access point). | |
3436 | * | |
3437 | * rndis_host wants to avoid all OID as much as possible | |
582241a0 | 3438 | * so do promisc/multicast handling in rndis_wlan. |
bf164cc0 | 3439 | */ |
582241a0 | 3440 | usbdev->net->netdev_ops = &rndis_wlan_netdev_ops; |
23d12e2b | 3441 | |
7390e8b0 LW |
3442 | tmp = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST); |
3443 | retval = rndis_set_oid(usbdev, | |
470f16c8 | 3444 | RNDIS_OID_GEN_CURRENT_PACKET_FILTER, |
7390e8b0 | 3445 | &tmp, sizeof(tmp)); |
bf164cc0 JK |
3446 | |
3447 | len = sizeof(tmp); | |
7390e8b0 | 3448 | retval = rndis_query_oid(usbdev, |
470f16c8 | 3449 | RNDIS_OID_802_3_MAXIMUM_LIST_SIZE, |
7390e8b0 | 3450 | &tmp, &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; | |
470f16c8 | 3580 | rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter, |
e5a11a82 JK |
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, | |
e1f12eb6 | 3755 | .disable_hub_initiated_lpm = 1, |
bf164cc0 JK |
3756 | }; |
3757 | ||
d632eb1b | 3758 | module_usb_driver(rndis_wlan_driver); |
bf164cc0 JK |
3759 | |
3760 | MODULE_AUTHOR("Bjorge Dijkstra"); | |
3761 | MODULE_AUTHOR("Jussi Kivilinna"); | |
3762 | MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); | |
3763 | MODULE_LICENSE("GPL"); | |
3764 |