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 | 492 | static int rndis_set_tx_power(struct wiphy *wiphy, |
c8442118 | 493 | struct wireless_dev *wdev, |
fa61cf70 JO |
494 | enum nl80211_tx_power_setting type, |
495 | int mbm); | |
c8442118 JB |
496 | static int rndis_get_tx_power(struct wiphy *wiphy, |
497 | struct wireless_dev *wdev, | |
498 | int *dbm); | |
222ec50a | 499 | |
5c52323e JK |
500 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
501 | struct cfg80211_connect_params *sme); | |
502 | ||
503 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
504 | u16 reason_code); | |
505 | ||
506 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
507 | struct cfg80211_ibss_params *params); | |
508 | ||
509 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev); | |
510 | ||
84bf8400 | 511 | static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
e31b8213 JB |
512 | u8 key_index, bool pairwise, const u8 *mac_addr, |
513 | struct key_params *params); | |
84bf8400 JK |
514 | |
515 | static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
e31b8213 | 516 | u8 key_index, bool pairwise, const u8 *mac_addr); |
84bf8400 JK |
517 | |
518 | static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
dbd2fd65 | 519 | u8 key_index, bool unicast, bool multicast); |
84bf8400 | 520 | |
8b89a288 JK |
521 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, |
522 | u8 *mac, struct station_info *sinfo); | |
523 | ||
d695df90 JK |
524 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
525 | int idx, u8 *mac, struct station_info *sinfo); | |
526 | ||
5a7d0583 JK |
527 | static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, |
528 | struct cfg80211_pmksa *pmksa); | |
529 | ||
530 | static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
531 | struct cfg80211_pmksa *pmksa); | |
532 | ||
533 | static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev); | |
534 | ||
40d70dd1 JK |
535 | static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
536 | bool enabled, int timeout); | |
537 | ||
49b35bd3 JK |
538 | static int rndis_set_cqm_rssi_config(struct wiphy *wiphy, |
539 | struct net_device *dev, | |
540 | s32 rssi_thold, u32 rssi_hyst); | |
541 | ||
c2aa4132 | 542 | static const struct cfg80211_ops rndis_config_ops = { |
964c1d41 | 543 | .change_virtual_intf = rndis_change_virtual_intf, |
71a7b26d | 544 | .scan = rndis_scan, |
d75ec2b7 | 545 | .set_wiphy_params = rndis_set_wiphy_params, |
222ec50a JK |
546 | .set_tx_power = rndis_set_tx_power, |
547 | .get_tx_power = rndis_get_tx_power, | |
5c52323e JK |
548 | .connect = rndis_connect, |
549 | .disconnect = rndis_disconnect, | |
550 | .join_ibss = rndis_join_ibss, | |
551 | .leave_ibss = rndis_leave_ibss, | |
84bf8400 JK |
552 | .add_key = rndis_add_key, |
553 | .del_key = rndis_del_key, | |
554 | .set_default_key = rndis_set_default_key, | |
8b89a288 | 555 | .get_station = rndis_get_station, |
d695df90 | 556 | .dump_station = rndis_dump_station, |
5a7d0583 JK |
557 | .set_pmksa = rndis_set_pmksa, |
558 | .del_pmksa = rndis_del_pmksa, | |
559 | .flush_pmksa = rndis_flush_pmksa, | |
40d70dd1 | 560 | .set_power_mgmt = rndis_set_power_mgmt, |
49b35bd3 | 561 | .set_cqm_rssi_config = rndis_set_cqm_rssi_config, |
964c1d41 | 562 | }; |
bf164cc0 | 563 | |
caa6dfad | 564 | static void *rndis_wiphy_privid = &rndis_wiphy_privid; |
bf164cc0 | 565 | |
bf164cc0 | 566 | |
582241a0 | 567 | static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev) |
bf164cc0 | 568 | { |
582241a0 | 569 | return (struct rndis_wlan_private *)dev->driver_priv; |
bf164cc0 JK |
570 | } |
571 | ||
222ec50a | 572 | static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv) |
bf164cc0 | 573 | { |
222ec50a JK |
574 | switch (priv->param_power_output) { |
575 | default: | |
576 | case 3: | |
577 | return BCM4320_DEFAULT_TXPOWER_DBM_100; | |
578 | case 2: | |
579 | return BCM4320_DEFAULT_TXPOWER_DBM_75; | |
580 | case 1: | |
581 | return BCM4320_DEFAULT_TXPOWER_DBM_50; | |
582 | case 0: | |
583 | return BCM4320_DEFAULT_TXPOWER_DBM_25; | |
584 | } | |
bf164cc0 JK |
585 | } |
586 | ||
461bc26c | 587 | static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx) |
b7cfc5b3 JK |
588 | { |
589 | int cipher = priv->encr_keys[idx].cipher; | |
590 | ||
591 | return (cipher == WLAN_CIPHER_SUITE_CCMP || | |
592 | cipher == WLAN_CIPHER_SUITE_TKIP); | |
593 | } | |
594 | ||
5c52323e JK |
595 | static int rndis_cipher_to_alg(u32 cipher) |
596 | { | |
597 | switch (cipher) { | |
598 | default: | |
599 | return RNDIS_WLAN_ALG_NONE; | |
600 | case WLAN_CIPHER_SUITE_WEP40: | |
601 | case WLAN_CIPHER_SUITE_WEP104: | |
602 | return RNDIS_WLAN_ALG_WEP; | |
603 | case WLAN_CIPHER_SUITE_TKIP: | |
604 | return RNDIS_WLAN_ALG_TKIP; | |
605 | case WLAN_CIPHER_SUITE_CCMP: | |
606 | return RNDIS_WLAN_ALG_CCMP; | |
607 | } | |
608 | } | |
609 | ||
610 | static int rndis_akm_suite_to_key_mgmt(u32 akm_suite) | |
611 | { | |
612 | switch (akm_suite) { | |
613 | default: | |
614 | return RNDIS_WLAN_KEY_MGMT_NONE; | |
615 | case WLAN_AKM_SUITE_8021X: | |
616 | return RNDIS_WLAN_KEY_MGMT_802_1X; | |
617 | case WLAN_AKM_SUITE_PSK: | |
618 | return RNDIS_WLAN_KEY_MGMT_PSK; | |
619 | } | |
620 | } | |
621 | ||
27b7b5c1 | 622 | #ifdef DEBUG |
470f16c8 | 623 | static const char *oid_to_string(u32 oid) |
27b7b5c1 | 624 | { |
470f16c8 | 625 | switch (oid) { |
117599e0 | 626 | #define OID_STR(oid) case oid: return(#oid) |
27b7b5c1 | 627 | /* from rndis_host.h */ |
8cdddc3f LW |
628 | OID_STR(RNDIS_OID_802_3_PERMANENT_ADDRESS); |
629 | OID_STR(RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE); | |
630 | OID_STR(RNDIS_OID_GEN_CURRENT_PACKET_FILTER); | |
631 | OID_STR(RNDIS_OID_GEN_PHYSICAL_MEDIUM); | |
27b7b5c1 JK |
632 | |
633 | /* from rndis_wlan.c */ | |
8cdddc3f LW |
634 | OID_STR(RNDIS_OID_GEN_LINK_SPEED); |
635 | OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER); | |
27b7b5c1 | 636 | |
8cdddc3f LW |
637 | OID_STR(RNDIS_OID_GEN_XMIT_OK); |
638 | OID_STR(RNDIS_OID_GEN_RCV_OK); | |
639 | OID_STR(RNDIS_OID_GEN_XMIT_ERROR); | |
640 | OID_STR(RNDIS_OID_GEN_RCV_ERROR); | |
641 | OID_STR(RNDIS_OID_GEN_RCV_NO_BUFFER); | |
27b7b5c1 | 642 | |
4cc6c4d5 LW |
643 | OID_STR(RNDIS_OID_802_3_CURRENT_ADDRESS); |
644 | OID_STR(RNDIS_OID_802_3_MULTICAST_LIST); | |
645 | OID_STR(RNDIS_OID_802_3_MAXIMUM_LIST_SIZE); | |
646 | ||
647 | OID_STR(RNDIS_OID_802_11_BSSID); | |
648 | OID_STR(RNDIS_OID_802_11_SSID); | |
649 | OID_STR(RNDIS_OID_802_11_INFRASTRUCTURE_MODE); | |
650 | OID_STR(RNDIS_OID_802_11_ADD_WEP); | |
651 | OID_STR(RNDIS_OID_802_11_REMOVE_WEP); | |
652 | OID_STR(RNDIS_OID_802_11_DISASSOCIATE); | |
653 | OID_STR(RNDIS_OID_802_11_AUTHENTICATION_MODE); | |
654 | OID_STR(RNDIS_OID_802_11_PRIVACY_FILTER); | |
655 | OID_STR(RNDIS_OID_802_11_BSSID_LIST_SCAN); | |
656 | OID_STR(RNDIS_OID_802_11_ENCRYPTION_STATUS); | |
657 | OID_STR(RNDIS_OID_802_11_ADD_KEY); | |
658 | OID_STR(RNDIS_OID_802_11_REMOVE_KEY); | |
659 | OID_STR(RNDIS_OID_802_11_ASSOCIATION_INFORMATION); | |
660 | OID_STR(RNDIS_OID_802_11_CAPABILITY); | |
661 | OID_STR(RNDIS_OID_802_11_PMKID); | |
662 | OID_STR(RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED); | |
663 | OID_STR(RNDIS_OID_802_11_NETWORK_TYPE_IN_USE); | |
664 | OID_STR(RNDIS_OID_802_11_TX_POWER_LEVEL); | |
665 | OID_STR(RNDIS_OID_802_11_RSSI); | |
666 | OID_STR(RNDIS_OID_802_11_RSSI_TRIGGER); | |
667 | OID_STR(RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD); | |
668 | OID_STR(RNDIS_OID_802_11_RTS_THRESHOLD); | |
669 | OID_STR(RNDIS_OID_802_11_SUPPORTED_RATES); | |
670 | OID_STR(RNDIS_OID_802_11_CONFIGURATION); | |
671 | OID_STR(RNDIS_OID_802_11_POWER_MODE); | |
672 | OID_STR(RNDIS_OID_802_11_BSSID_LIST); | |
27b7b5c1 JK |
673 | #undef OID_STR |
674 | } | |
675 | ||
676 | return "?"; | |
677 | } | |
678 | #else | |
470f16c8 | 679 | static const char *oid_to_string(u32 oid) |
27b7b5c1 JK |
680 | { |
681 | return "?"; | |
682 | } | |
683 | #endif | |
684 | ||
bf164cc0 JK |
685 | /* translate error code */ |
686 | static int rndis_error_status(__le32 rndis_status) | |
687 | { | |
688 | int ret = -EINVAL; | |
117599e0 JK |
689 | switch (le32_to_cpu(rndis_status)) { |
690 | case RNDIS_STATUS_SUCCESS: | |
bf164cc0 JK |
691 | ret = 0; |
692 | break; | |
117599e0 JK |
693 | case RNDIS_STATUS_FAILURE: |
694 | case RNDIS_STATUS_INVALID_DATA: | |
bf164cc0 JK |
695 | ret = -EINVAL; |
696 | break; | |
117599e0 | 697 | case RNDIS_STATUS_NOT_SUPPORTED: |
bf164cc0 JK |
698 | ret = -EOPNOTSUPP; |
699 | break; | |
117599e0 JK |
700 | case RNDIS_STATUS_ADAPTER_NOT_READY: |
701 | case RNDIS_STATUS_ADAPTER_NOT_OPEN: | |
bf164cc0 JK |
702 | ret = -EBUSY; |
703 | break; | |
704 | } | |
705 | return ret; | |
706 | } | |
707 | ||
470f16c8 | 708 | static int rndis_query_oid(struct usbnet *dev, u32 oid, void *data, int *len) |
bf164cc0 | 709 | { |
582241a0 | 710 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
711 | union { |
712 | void *buf; | |
713 | struct rndis_msg_hdr *header; | |
714 | struct rndis_query *get; | |
715 | struct rndis_query_c *get_c; | |
716 | } u; | |
717 | int ret, buflen; | |
80f8c5b4 | 718 | int resplen, respoffs, copylen; |
bf164cc0 JK |
719 | |
720 | buflen = *len + sizeof(*u.get); | |
721 | if (buflen < CONTROL_BUFFER_SIZE) | |
722 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
723 | |
724 | if (buflen > COMMAND_BUFFER_SIZE) { | |
725 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
726 | if (!u.buf) | |
727 | return -ENOMEM; | |
728 | } else { | |
729 | u.buf = priv->command_buffer; | |
730 | } | |
731 | ||
732 | mutex_lock(&priv->command_lock); | |
733 | ||
bf164cc0 | 734 | memset(u.get, 0, sizeof *u.get); |
7390e8b0 | 735 | u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY); |
35c26c2c | 736 | u.get->msg_len = cpu_to_le32(sizeof *u.get); |
470f16c8 | 737 | u.get->oid = cpu_to_le32(oid); |
bf164cc0 | 738 | |
5f81ff5a | 739 | priv->current_command_oid = oid; |
818727ba | 740 | ret = rndis_command(dev, u.header, buflen); |
5f81ff5a | 741 | priv->current_command_oid = 0; |
27b7b5c1 | 742 | if (ret < 0) |
60b86755 JP |
743 | netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", |
744 | __func__, oid_to_string(oid), ret, | |
745 | le32_to_cpu(u.get_c->status)); | |
27b7b5c1 | 746 | |
bf164cc0 | 747 | if (ret == 0) { |
80f8c5b4 JK |
748 | resplen = le32_to_cpu(u.get_c->len); |
749 | respoffs = le32_to_cpu(u.get_c->offset) + 8; | |
c1f8ca1d | 750 | |
80f8c5b4 JK |
751 | if (respoffs > buflen) { |
752 | /* Device returned data offset outside buffer, error. */ | |
753 | netdev_dbg(dev->net, "%s(%s): received invalid " | |
754 | "data offset: %d > %d\n", __func__, | |
755 | oid_to_string(oid), respoffs, buflen); | |
c1f8ca1d | 756 | |
80f8c5b4 JK |
757 | ret = -EINVAL; |
758 | goto exit_unlock; | |
759 | } | |
760 | ||
761 | if ((resplen + respoffs) > buflen) { | |
762 | /* Device would have returned more data if buffer would | |
763 | * have been big enough. Copy just the bits that we got. | |
764 | */ | |
765 | copylen = buflen - respoffs; | |
766 | } else { | |
767 | copylen = resplen; | |
768 | } | |
769 | ||
770 | if (copylen > *len) | |
771 | copylen = *len; | |
772 | ||
773 | memcpy(data, u.buf + respoffs, copylen); | |
774 | ||
775 | *len = resplen; | |
27b7b5c1 | 776 | |
c1f8ca1d | 777 | ret = rndis_error_status(u.get_c->status); |
27b7b5c1 | 778 | if (ret < 0) |
60b86755 JP |
779 | netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", |
780 | __func__, oid_to_string(oid), | |
781 | le32_to_cpu(u.get_c->status), ret); | |
bf164cc0 JK |
782 | } |
783 | ||
80f8c5b4 | 784 | exit_unlock: |
90d07349 JK |
785 | mutex_unlock(&priv->command_lock); |
786 | ||
787 | if (u.buf != priv->command_buffer) | |
788 | kfree(u.buf); | |
bf164cc0 JK |
789 | return ret; |
790 | } | |
791 | ||
470f16c8 | 792 | static int rndis_set_oid(struct usbnet *dev, u32 oid, const void *data, |
22288a58 | 793 | int len) |
bf164cc0 | 794 | { |
582241a0 | 795 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); |
bf164cc0 JK |
796 | union { |
797 | void *buf; | |
798 | struct rndis_msg_hdr *header; | |
799 | struct rndis_set *set; | |
800 | struct rndis_set_c *set_c; | |
801 | } u; | |
802 | int ret, buflen; | |
803 | ||
804 | buflen = len + sizeof(*u.set); | |
805 | if (buflen < CONTROL_BUFFER_SIZE) | |
806 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
807 | |
808 | if (buflen > COMMAND_BUFFER_SIZE) { | |
809 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
810 | if (!u.buf) | |
811 | return -ENOMEM; | |
812 | } else { | |
813 | u.buf = priv->command_buffer; | |
814 | } | |
815 | ||
816 | mutex_lock(&priv->command_lock); | |
bf164cc0 JK |
817 | |
818 | memset(u.set, 0, sizeof *u.set); | |
7390e8b0 | 819 | u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET); |
bf164cc0 | 820 | u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); |
470f16c8 | 821 | u.set->oid = cpu_to_le32(oid); |
bf164cc0 | 822 | u.set->len = cpu_to_le32(len); |
35c26c2c HH |
823 | u.set->offset = cpu_to_le32(sizeof(*u.set) - 8); |
824 | u.set->handle = cpu_to_le32(0); | |
bf164cc0 JK |
825 | memcpy(u.buf + sizeof(*u.set), data, len); |
826 | ||
5f81ff5a | 827 | priv->current_command_oid = oid; |
818727ba | 828 | ret = rndis_command(dev, u.header, buflen); |
5f81ff5a | 829 | priv->current_command_oid = 0; |
27b7b5c1 | 830 | if (ret < 0) |
60b86755 JP |
831 | netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", |
832 | __func__, oid_to_string(oid), ret, | |
833 | le32_to_cpu(u.set_c->status)); | |
27b7b5c1 JK |
834 | |
835 | if (ret == 0) { | |
bf164cc0 JK |
836 | ret = rndis_error_status(u.set_c->status); |
837 | ||
27b7b5c1 | 838 | if (ret < 0) |
60b86755 JP |
839 | netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", |
840 | __func__, oid_to_string(oid), | |
841 | le32_to_cpu(u.set_c->status), ret); | |
27b7b5c1 JK |
842 | } |
843 | ||
90d07349 JK |
844 | mutex_unlock(&priv->command_lock); |
845 | ||
846 | if (u.buf != priv->command_buffer) | |
847 | kfree(u.buf); | |
bf164cc0 JK |
848 | return ret; |
849 | } | |
850 | ||
7eaab708 JK |
851 | static int rndis_reset(struct usbnet *usbdev) |
852 | { | |
853 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
854 | struct rndis_reset *reset; | |
855 | int ret; | |
856 | ||
857 | mutex_lock(&priv->command_lock); | |
858 | ||
859 | reset = (void *)priv->command_buffer; | |
860 | memset(reset, 0, sizeof(*reset)); | |
7390e8b0 | 861 | reset->msg_type = cpu_to_le32(RNDIS_MSG_RESET); |
7eaab708 | 862 | reset->msg_len = cpu_to_le32(sizeof(*reset)); |
5f81ff5a | 863 | priv->current_command_oid = 0; |
7eaab708 JK |
864 | ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE); |
865 | ||
866 | mutex_unlock(&priv->command_lock); | |
867 | ||
868 | if (ret < 0) | |
869 | return ret; | |
870 | return 0; | |
871 | } | |
872 | ||
bf164cc0 JK |
873 | /* |
874 | * Specs say that we can only set config parameters only soon after device | |
875 | * initialization. | |
876 | * value_type: 0 = u32, 2 = unicode string | |
877 | */ | |
878 | static int rndis_set_config_parameter(struct usbnet *dev, char *param, | |
879 | int value_type, void *value) | |
880 | { | |
1e41e1d2 | 881 | struct ndis_config_param *infobuf; |
bf164cc0 JK |
882 | int value_len, info_len, param_len, ret, i; |
883 | __le16 *unibuf; | |
884 | __le32 *dst_value; | |
885 | ||
886 | if (value_type == 0) | |
887 | value_len = sizeof(__le32); | |
888 | else if (value_type == 2) | |
889 | value_len = strlen(value) * sizeof(__le16); | |
890 | else | |
891 | return -EINVAL; | |
892 | ||
893 | param_len = strlen(param) * sizeof(__le16); | |
894 | info_len = sizeof(*infobuf) + param_len + value_len; | |
895 | ||
896 | #ifdef DEBUG | |
897 | info_len += 12; | |
898 | #endif | |
899 | infobuf = kmalloc(info_len, GFP_KERNEL); | |
900 | if (!infobuf) | |
901 | return -ENOMEM; | |
902 | ||
903 | #ifdef DEBUG | |
904 | info_len -= 12; | |
905 | /* extra 12 bytes are for padding (debug output) */ | |
906 | memset(infobuf, 0xCC, info_len + 12); | |
907 | #endif | |
908 | ||
909 | if (value_type == 2) | |
60b86755 JP |
910 | netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n", |
911 | param, (u8 *)value); | |
bf164cc0 | 912 | else |
60b86755 JP |
913 | netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n", |
914 | param, *(u32 *)value); | |
bf164cc0 | 915 | |
461b3f2a JK |
916 | infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); |
917 | infobuf->name_length = cpu_to_le32(param_len); | |
918 | infobuf->type = cpu_to_le32(value_type); | |
919 | infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); | |
920 | infobuf->value_length = cpu_to_le32(value_len); | |
bf164cc0 JK |
921 | |
922 | /* simple string to unicode string conversion */ | |
923 | unibuf = (void *)infobuf + sizeof(*infobuf); | |
924 | for (i = 0; i < param_len / sizeof(__le16); i++) | |
925 | unibuf[i] = cpu_to_le16(param[i]); | |
926 | ||
927 | if (value_type == 2) { | |
928 | unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; | |
929 | for (i = 0; i < value_len / sizeof(__le16); i++) | |
930 | unibuf[i] = cpu_to_le16(((u8 *)value)[i]); | |
931 | } else { | |
932 | dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; | |
933 | *dst_value = cpu_to_le32(*(u32 *)value); | |
934 | } | |
935 | ||
936 | #ifdef DEBUG | |
60b86755 | 937 | netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len); |
bf164cc0 JK |
938 | for (i = 0; i < info_len; i += 12) { |
939 | u32 *tmp = (u32 *)((u8 *)infobuf + i); | |
60b86755 JP |
940 | netdev_dbg(dev->net, "%08X:%08X:%08X\n", |
941 | cpu_to_be32(tmp[0]), | |
942 | cpu_to_be32(tmp[1]), | |
943 | cpu_to_be32(tmp[2])); | |
bf164cc0 JK |
944 | } |
945 | #endif | |
946 | ||
470f16c8 | 947 | ret = rndis_set_oid(dev, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER, |
bf164cc0 JK |
948 | infobuf, info_len); |
949 | if (ret != 0) | |
60b86755 JP |
950 | netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n", |
951 | ret); | |
bf164cc0 JK |
952 | |
953 | kfree(infobuf); | |
954 | return ret; | |
955 | } | |
956 | ||
957 | static int rndis_set_config_parameter_str(struct usbnet *dev, | |
958 | char *param, char *value) | |
959 | { | |
c5c4fe90 | 960 | return rndis_set_config_parameter(dev, param, 2, value); |
bf164cc0 JK |
961 | } |
962 | ||
bf164cc0 JK |
963 | /* |
964 | * data conversion functions | |
965 | */ | |
966 | static int level_to_qual(int level) | |
967 | { | |
968 | int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); | |
969 | return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; | |
970 | } | |
971 | ||
bf164cc0 JK |
972 | /* |
973 | * common functions | |
974 | */ | |
9f77ccab | 975 | static int set_infra_mode(struct usbnet *usbdev, int mode); |
b7cfc5b3 | 976 | static void restore_keys(struct usbnet *usbdev); |
b5257c95 JK |
977 | static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid, |
978 | bool *matched); | |
bf164cc0 | 979 | |
5cb56af2 JK |
980 | static int rndis_start_bssid_list_scan(struct usbnet *usbdev) |
981 | { | |
982 | __le32 tmp; | |
983 | ||
4cc6c4d5 | 984 | /* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */ |
5cb56af2 | 985 | tmp = cpu_to_le32(1); |
470f16c8 | 986 | return rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST_SCAN, &tmp, |
5cb56af2 JK |
987 | sizeof(tmp)); |
988 | } | |
989 | ||
1e41e1d2 | 990 | static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 | 991 | { |
582241a0 | 992 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
993 | int ret; |
994 | ||
470f16c8 | 995 | ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_SSID, |
4cc6c4d5 | 996 | ssid, sizeof(*ssid)); |
5c52323e | 997 | if (ret < 0) { |
60b86755 | 998 | netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret); |
5c52323e JK |
999 | return ret; |
1000 | } | |
bf164cc0 | 1001 | if (ret == 0) { |
051ae0bf | 1002 | priv->radio_on = true; |
60b86755 | 1003 | netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__); |
bf164cc0 JK |
1004 | } |
1005 | ||
1006 | return ret; | |
1007 | } | |
1008 | ||
22288a58 | 1009 | static int set_bssid(struct usbnet *usbdev, const u8 *bssid) |
5c52323e JK |
1010 | { |
1011 | int ret; | |
1012 | ||
470f16c8 | 1013 | ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID, |
4cc6c4d5 | 1014 | bssid, ETH_ALEN); |
5c52323e | 1015 | if (ret < 0) { |
60b86755 JP |
1016 | netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n", |
1017 | bssid, ret); | |
5c52323e JK |
1018 | return ret; |
1019 | } | |
1020 | ||
1021 | return ret; | |
1022 | } | |
1023 | ||
1024 | static int clear_bssid(struct usbnet *usbdev) | |
1025 | { | |
22288a58 JP |
1026 | static const u8 broadcast_mac[ETH_ALEN] = { |
1027 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
1028 | }; | |
5c52323e JK |
1029 | |
1030 | return set_bssid(usbdev, broadcast_mac); | |
1031 | } | |
bf164cc0 JK |
1032 | |
1033 | static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) | |
1034 | { | |
1035 | int ret, len; | |
1036 | ||
1037 | len = ETH_ALEN; | |
470f16c8 | 1038 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID, |
4cc6c4d5 | 1039 | bssid, &len); |
bf164cc0 JK |
1040 | |
1041 | if (ret != 0) | |
1042 | memset(bssid, 0, ETH_ALEN); | |
1043 | ||
1044 | return ret; | |
1045 | } | |
1046 | ||
4364623c SA |
1047 | static int get_association_info(struct usbnet *usbdev, |
1048 | struct ndis_80211_assoc_info *info, int len) | |
1049 | { | |
4cc6c4d5 | 1050 | return rndis_query_oid(usbdev, |
470f16c8 | 1051 | RNDIS_OID_802_11_ASSOCIATION_INFORMATION, |
4cc6c4d5 | 1052 | info, &len); |
4364623c | 1053 | } |
bf164cc0 | 1054 | |
5c52323e | 1055 | static bool is_associated(struct usbnet *usbdev) |
bf164cc0 | 1056 | { |
5c52323e | 1057 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1058 | u8 bssid[ETH_ALEN]; |
1059 | int ret; | |
1060 | ||
5c52323e JK |
1061 | if (!priv->radio_on) |
1062 | return false; | |
1063 | ||
bf164cc0 JK |
1064 | ret = get_bssid(usbdev, bssid); |
1065 | ||
7b1fff99 | 1066 | return (ret == 0 && !is_zero_ether_addr(bssid)); |
bf164cc0 JK |
1067 | } |
1068 | ||
051ae0bf | 1069 | static int disassociate(struct usbnet *usbdev, bool reset_ssid) |
bf164cc0 | 1070 | { |
582241a0 | 1071 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1072 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
1073 | int i, ret = 0; |
1074 | ||
1075 | if (priv->radio_on) { | |
4cc6c4d5 | 1076 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1077 | RNDIS_OID_802_11_DISASSOCIATE, |
4cc6c4d5 | 1078 | NULL, 0); |
bf164cc0 | 1079 | if (ret == 0) { |
051ae0bf | 1080 | priv->radio_on = false; |
60b86755 JP |
1081 | netdev_dbg(usbdev->net, "%s(): radio_on = false\n", |
1082 | __func__); | |
bf164cc0 JK |
1083 | |
1084 | if (reset_ssid) | |
1085 | msleep(100); | |
1086 | } | |
1087 | } | |
1088 | ||
1089 | /* disassociate causes radio to be turned off; if reset_ssid | |
1090 | * is given, set random ssid to enable radio */ | |
1091 | if (reset_ssid) { | |
9f77ccab JK |
1092 | /* Set device to infrastructure mode so we don't get ad-hoc |
1093 | * 'media connect' indications with the random ssid. | |
1094 | */ | |
1095 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
1096 | ||
461b3f2a JK |
1097 | ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
1098 | get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); | |
1099 | ssid.essid[0] = 0x1; | |
1100 | ssid.essid[1] = 0xff; | |
1101 | for (i = 2; i < sizeof(ssid.essid); i++) | |
1102 | ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); | |
bf164cc0 JK |
1103 | ret = set_essid(usbdev, &ssid); |
1104 | } | |
1105 | return ret; | |
1106 | } | |
1107 | ||
5c52323e JK |
1108 | static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version, |
1109 | enum nl80211_auth_type auth_type, int keymgmt) | |
bf164cc0 | 1110 | { |
582241a0 | 1111 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1112 | __le32 tmp; |
1113 | int auth_mode, ret; | |
1114 | ||
60b86755 JP |
1115 | netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n", |
1116 | __func__, wpa_version, auth_type, keymgmt); | |
bf164cc0 | 1117 | |
5c52323e JK |
1118 | if (wpa_version & NL80211_WPA_VERSION_2) { |
1119 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1120 | auth_mode = NDIS_80211_AUTH_WPA2; |
bf164cc0 | 1121 | else |
aa18294a | 1122 | auth_mode = NDIS_80211_AUTH_WPA2_PSK; |
5c52323e JK |
1123 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
1124 | if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) | |
aa18294a | 1125 | auth_mode = NDIS_80211_AUTH_WPA; |
5c52323e | 1126 | else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK) |
aa18294a | 1127 | auth_mode = NDIS_80211_AUTH_WPA_PSK; |
bf164cc0 | 1128 | else |
aa18294a | 1129 | auth_mode = NDIS_80211_AUTH_WPA_NONE; |
5c52323e JK |
1130 | } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
1131 | auth_mode = NDIS_80211_AUTH_SHARED; | |
1132 | else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) | |
aa18294a | 1133 | auth_mode = NDIS_80211_AUTH_OPEN; |
634a555c JK |
1134 | else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC) |
1135 | auth_mode = NDIS_80211_AUTH_AUTO_SWITCH; | |
5c52323e JK |
1136 | else |
1137 | return -ENOTSUPP; | |
bf164cc0 JK |
1138 | |
1139 | tmp = cpu_to_le32(auth_mode); | |
4cc6c4d5 | 1140 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1141 | RNDIS_OID_802_11_AUTHENTICATION_MODE, |
4cc6c4d5 | 1142 | &tmp, sizeof(tmp)); |
bf164cc0 | 1143 | if (ret != 0) { |
60b86755 JP |
1144 | netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n", |
1145 | ret); | |
bf164cc0 JK |
1146 | return ret; |
1147 | } | |
1148 | ||
1149 | priv->wpa_version = wpa_version; | |
5c52323e | 1150 | |
bf164cc0 JK |
1151 | return 0; |
1152 | } | |
1153 | ||
bf164cc0 JK |
1154 | static int set_priv_filter(struct usbnet *usbdev) |
1155 | { | |
582241a0 | 1156 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
1157 | __le32 tmp; |
1158 | ||
60b86755 JP |
1159 | netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n", |
1160 | __func__, priv->wpa_version); | |
bf164cc0 | 1161 | |
5c52323e JK |
1162 | if (priv->wpa_version & NL80211_WPA_VERSION_2 || |
1163 | priv->wpa_version & NL80211_WPA_VERSION_1) | |
aa18294a | 1164 | tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP); |
bf164cc0 | 1165 | else |
aa18294a | 1166 | tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL); |
bf164cc0 | 1167 | |
4cc6c4d5 | 1168 | return rndis_set_oid(usbdev, |
470f16c8 | 1169 | RNDIS_OID_802_11_PRIVACY_FILTER, &tmp, |
4cc6c4d5 | 1170 | sizeof(tmp)); |
bf164cc0 JK |
1171 | } |
1172 | ||
bf164cc0 JK |
1173 | static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) |
1174 | { | |
bf164cc0 JK |
1175 | __le32 tmp; |
1176 | int encr_mode, ret; | |
1177 | ||
60b86755 JP |
1178 | netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n", |
1179 | __func__, pairwise, groupwise); | |
bf164cc0 | 1180 | |
5c52323e | 1181 | if (pairwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1182 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1183 | else if (pairwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1184 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
5c52323e | 1185 | else if (pairwise & RNDIS_WLAN_ALG_WEP) |
aa18294a | 1186 | encr_mode = NDIS_80211_ENCR_WEP_ENABLED; |
5c52323e | 1187 | else if (groupwise & RNDIS_WLAN_ALG_CCMP) |
aa18294a | 1188 | encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; |
5c52323e | 1189 | else if (groupwise & RNDIS_WLAN_ALG_TKIP) |
aa18294a | 1190 | encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; |
bf164cc0 | 1191 | else |
aa18294a | 1192 | encr_mode = NDIS_80211_ENCR_DISABLED; |
bf164cc0 JK |
1193 | |
1194 | tmp = cpu_to_le32(encr_mode); | |
4cc6c4d5 | 1195 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1196 | RNDIS_OID_802_11_ENCRYPTION_STATUS, &tmp, |
4cc6c4d5 | 1197 | sizeof(tmp)); |
bf164cc0 | 1198 | if (ret != 0) { |
60b86755 JP |
1199 | netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n", |
1200 | ret); | |
bf164cc0 JK |
1201 | return ret; |
1202 | } | |
1203 | ||
bf164cc0 JK |
1204 | return 0; |
1205 | } | |
1206 | ||
bf164cc0 JK |
1207 | static int set_infra_mode(struct usbnet *usbdev, int mode) |
1208 | { | |
582241a0 | 1209 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 1210 | __le32 tmp; |
b7cfc5b3 | 1211 | int ret; |
bf164cc0 | 1212 | |
60b86755 JP |
1213 | netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n", |
1214 | __func__, priv->infra_mode); | |
bf164cc0 JK |
1215 | |
1216 | tmp = cpu_to_le32(mode); | |
4cc6c4d5 | 1217 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1218 | RNDIS_OID_802_11_INFRASTRUCTURE_MODE, |
4cc6c4d5 | 1219 | &tmp, sizeof(tmp)); |
bf164cc0 | 1220 | if (ret != 0) { |
60b86755 JP |
1221 | netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n", |
1222 | ret); | |
bf164cc0 JK |
1223 | return ret; |
1224 | } | |
1225 | ||
1226 | /* NDIS drivers clear keys when infrastructure mode is | |
1227 | * changed. But Linux tools assume otherwise. So set the | |
1228 | * keys */ | |
b7cfc5b3 | 1229 | restore_keys(usbdev); |
bf164cc0 JK |
1230 | |
1231 | priv->infra_mode = mode; | |
1232 | return 0; | |
1233 | } | |
1234 | ||
d75ec2b7 JK |
1235 | static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) |
1236 | { | |
1237 | __le32 tmp; | |
1238 | ||
60b86755 | 1239 | netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); |
d75ec2b7 JK |
1240 | |
1241 | if (rts_threshold < 0 || rts_threshold > 2347) | |
1242 | rts_threshold = 2347; | |
1243 | ||
1244 | tmp = cpu_to_le32(rts_threshold); | |
4cc6c4d5 | 1245 | return rndis_set_oid(usbdev, |
470f16c8 | 1246 | RNDIS_OID_802_11_RTS_THRESHOLD, |
4cc6c4d5 | 1247 | &tmp, sizeof(tmp)); |
d75ec2b7 JK |
1248 | } |
1249 | ||
d75ec2b7 JK |
1250 | static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold) |
1251 | { | |
1252 | __le32 tmp; | |
1253 | ||
60b86755 | 1254 | netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold); |
d75ec2b7 JK |
1255 | |
1256 | if (frag_threshold < 256 || frag_threshold > 2346) | |
1257 | frag_threshold = 2346; | |
1258 | ||
1259 | tmp = cpu_to_le32(frag_threshold); | |
4cc6c4d5 | 1260 | return rndis_set_oid(usbdev, |
470f16c8 | 1261 | RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD, |
4cc6c4d5 | 1262 | &tmp, sizeof(tmp)); |
d75ec2b7 JK |
1263 | } |
1264 | ||
bf164cc0 JK |
1265 | static void set_default_iw_params(struct usbnet *usbdev) |
1266 | { | |
aa18294a | 1267 | set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); |
5c52323e JK |
1268 | set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM, |
1269 | RNDIS_WLAN_KEY_MGMT_NONE); | |
bf164cc0 | 1270 | set_priv_filter(usbdev); |
5c52323e | 1271 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1272 | } |
1273 | ||
bf164cc0 JK |
1274 | static int deauthenticate(struct usbnet *usbdev) |
1275 | { | |
1276 | int ret; | |
1277 | ||
051ae0bf | 1278 | ret = disassociate(usbdev, true); |
bf164cc0 JK |
1279 | set_default_iw_params(usbdev); |
1280 | return ret; | |
1281 | } | |
1282 | ||
5c52323e JK |
1283 | static int set_channel(struct usbnet *usbdev, int channel) |
1284 | { | |
1285 | struct ndis_80211_conf config; | |
1286 | unsigned int dsconfig; | |
1287 | int len, ret; | |
1288 | ||
60b86755 | 1289 | netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel); |
5c52323e JK |
1290 | |
1291 | /* this OID is valid only when not associated */ | |
1292 | if (is_associated(usbdev)) | |
1293 | return 0; | |
1294 | ||
1295 | dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000; | |
1296 | ||
1297 | len = sizeof(config); | |
4cc6c4d5 | 1298 | ret = rndis_query_oid(usbdev, |
470f16c8 | 1299 | RNDIS_OID_802_11_CONFIGURATION, |
4cc6c4d5 | 1300 | &config, &len); |
5c52323e | 1301 | if (ret < 0) { |
60b86755 JP |
1302 | netdev_dbg(usbdev->net, "%s(): querying configuration failed\n", |
1303 | __func__); | |
5c52323e JK |
1304 | return ret; |
1305 | } | |
1306 | ||
1307 | config.ds_config = cpu_to_le32(dsconfig); | |
4cc6c4d5 | 1308 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1309 | RNDIS_OID_802_11_CONFIGURATION, |
4cc6c4d5 | 1310 | &config, sizeof(config)); |
5c52323e | 1311 | |
60b86755 | 1312 | netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret); |
5c52323e JK |
1313 | |
1314 | return ret; | |
1315 | } | |
1316 | ||
cb82a66d | 1317 | static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev, |
f808e4ad | 1318 | u32 *beacon_period) |
cb82a66d JK |
1319 | { |
1320 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1321 | struct ieee80211_channel *channel; | |
1322 | struct ndis_80211_conf config; | |
1323 | int len, ret; | |
1324 | ||
1325 | /* Get channel and beacon interval */ | |
1326 | len = sizeof(config); | |
4cc6c4d5 | 1327 | ret = rndis_query_oid(usbdev, |
470f16c8 | 1328 | RNDIS_OID_802_11_CONFIGURATION, |
4cc6c4d5 LW |
1329 | &config, &len); |
1330 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_CONFIGURATION -> %d\n", | |
cb82a66d JK |
1331 | __func__, ret); |
1332 | if (ret < 0) | |
1333 | return NULL; | |
1334 | ||
1335 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
1336 | KHZ_TO_MHZ(le32_to_cpu(config.ds_config))); | |
1337 | if (!channel) | |
1338 | return NULL; | |
1339 | ||
f808e4ad JK |
1340 | if (beacon_period) |
1341 | *beacon_period = le32_to_cpu(config.beacon_period); | |
cb82a66d JK |
1342 | return channel; |
1343 | } | |
1344 | ||
bf164cc0 | 1345 | /* index must be 0 - N, as per NDIS */ |
5c52323e | 1346 | static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len, |
461bc26c | 1347 | u8 index) |
bf164cc0 | 1348 | { |
582241a0 | 1349 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1350 | struct ndis_80211_wep_key ndis_key; |
84bf8400 JK |
1351 | u32 cipher; |
1352 | int ret; | |
1353 | ||
60b86755 JP |
1354 | netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n", |
1355 | __func__, index, key_len); | |
bf164cc0 | 1356 | |
461bc26c | 1357 | if (index >= RNDIS_WLAN_NUM_KEYS) |
bf164cc0 JK |
1358 | return -EINVAL; |
1359 | ||
b7cfc5b3 JK |
1360 | if (key_len == 5) |
1361 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
f096ce6d | 1362 | else if (key_len == 13) |
b7cfc5b3 | 1363 | cipher = WLAN_CIPHER_SUITE_WEP104; |
f096ce6d JK |
1364 | else |
1365 | return -EINVAL; | |
b7cfc5b3 | 1366 | |
bf164cc0 JK |
1367 | memset(&ndis_key, 0, sizeof(ndis_key)); |
1368 | ||
461b3f2a JK |
1369 | ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
1370 | ndis_key.length = cpu_to_le32(key_len); | |
1371 | ndis_key.index = cpu_to_le32(index); | |
1372 | memcpy(&ndis_key.material, key, key_len); | |
bf164cc0 JK |
1373 | |
1374 | if (index == priv->encr_tx_key_index) { | |
aa18294a | 1375 | ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY; |
5c52323e JK |
1376 | ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP, |
1377 | RNDIS_WLAN_ALG_NONE); | |
bf164cc0 | 1378 | if (ret) |
60b86755 JP |
1379 | netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n", |
1380 | ret); | |
bf164cc0 JK |
1381 | } |
1382 | ||
4cc6c4d5 | 1383 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1384 | RNDIS_OID_802_11_ADD_WEP, &ndis_key, |
4cc6c4d5 | 1385 | sizeof(ndis_key)); |
bf164cc0 | 1386 | if (ret != 0) { |
60b86755 JP |
1387 | netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n", |
1388 | index + 1, ret); | |
bf164cc0 JK |
1389 | return ret; |
1390 | } | |
1391 | ||
b7cfc5b3 JK |
1392 | priv->encr_keys[index].len = key_len; |
1393 | priv->encr_keys[index].cipher = cipher; | |
1394 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1395 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
bf164cc0 JK |
1396 | |
1397 | return 0; | |
1398 | } | |
1399 | ||
b145ee0c | 1400 | static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len, |
461bc26c | 1401 | u8 index, const u8 *addr, const u8 *rx_seq, |
53d27eaf | 1402 | int seq_len, u32 cipher, __le32 flags) |
b145ee0c | 1403 | { |
582241a0 | 1404 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
b145ee0c | 1405 | struct ndis_80211_key ndis_key; |
b7cfc5b3 | 1406 | bool is_addr_ok; |
b145ee0c JK |
1407 | int ret; |
1408 | ||
461bc26c | 1409 | if (index >= RNDIS_WLAN_NUM_KEYS) { |
60b86755 JP |
1410 | netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n", |
1411 | __func__, index); | |
b145ee0c | 1412 | return -EINVAL; |
b7cfc5b3 JK |
1413 | } |
1414 | if (key_len > sizeof(ndis_key.material) || key_len < 0) { | |
60b86755 JP |
1415 | netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n", |
1416 | __func__, key_len); | |
b145ee0c | 1417 | return -EINVAL; |
b7cfc5b3 | 1418 | } |
84bf8400 JK |
1419 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) { |
1420 | if (!rx_seq || seq_len <= 0) { | |
60b86755 JP |
1421 | netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n", |
1422 | __func__); | |
84bf8400 JK |
1423 | return -EINVAL; |
1424 | } | |
1425 | if (rx_seq && seq_len > sizeof(ndis_key.rsc)) { | |
60b86755 | 1426 | netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__); |
84bf8400 JK |
1427 | return -EINVAL; |
1428 | } | |
b7cfc5b3 | 1429 | } |
84bf8400 | 1430 | |
7b1fff99 JK |
1431 | is_addr_ok = addr && !is_zero_ether_addr(addr) && |
1432 | !is_broadcast_ether_addr(addr); | |
b7cfc5b3 | 1433 | if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) { |
60b86755 JP |
1434 | netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n", |
1435 | __func__, addr); | |
b145ee0c | 1436 | return -EINVAL; |
b7cfc5b3 | 1437 | } |
b145ee0c | 1438 | |
60b86755 JP |
1439 | netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n", |
1440 | __func__, index, | |
1441 | !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY), | |
1442 | !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY), | |
1443 | !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)); | |
b145ee0c JK |
1444 | |
1445 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
1446 | ||
1447 | ndis_key.size = cpu_to_le32(sizeof(ndis_key) - | |
1448 | sizeof(ndis_key.material) + key_len); | |
1449 | ndis_key.length = cpu_to_le32(key_len); | |
1450 | ndis_key.index = cpu_to_le32(index) | flags; | |
1451 | ||
b7cfc5b3 | 1452 | if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) { |
b145ee0c JK |
1453 | /* wpa_supplicant gives us the Michael MIC RX/TX keys in |
1454 | * different order than NDIS spec, so swap the order here. */ | |
1455 | memcpy(ndis_key.material, key, 16); | |
1456 | memcpy(ndis_key.material + 16, key + 24, 8); | |
1457 | memcpy(ndis_key.material + 24, key + 16, 8); | |
1458 | } else | |
1459 | memcpy(ndis_key.material, key, key_len); | |
1460 | ||
aa18294a | 1461 | if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) |
84bf8400 | 1462 | memcpy(ndis_key.rsc, rx_seq, seq_len); |
b145ee0c | 1463 | |
aa18294a | 1464 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) { |
b145ee0c | 1465 | /* pairwise key */ |
b7cfc5b3 | 1466 | memcpy(ndis_key.bssid, addr, ETH_ALEN); |
b145ee0c JK |
1467 | } else { |
1468 | /* group key */ | |
aa18294a | 1469 | if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) |
b145ee0c JK |
1470 | memset(ndis_key.bssid, 0xff, ETH_ALEN); |
1471 | else | |
1472 | get_bssid(usbdev, ndis_key.bssid); | |
1473 | } | |
1474 | ||
4cc6c4d5 | 1475 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1476 | RNDIS_OID_802_11_ADD_KEY, &ndis_key, |
4cc6c4d5 LW |
1477 | le32_to_cpu(ndis_key.size)); |
1478 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_ADD_KEY -> %08X\n", | |
60b86755 | 1479 | __func__, ret); |
b145ee0c JK |
1480 | if (ret != 0) |
1481 | return ret; | |
1482 | ||
b7cfc5b3 JK |
1483 | memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); |
1484 | priv->encr_keys[index].len = key_len; | |
1485 | priv->encr_keys[index].cipher = cipher; | |
1486 | memcpy(&priv->encr_keys[index].material, key, key_len); | |
1487 | if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) | |
1488 | memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN); | |
1489 | else | |
1490 | memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN); | |
9839178e | 1491 | |
aa18294a | 1492 | if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY) |
b145ee0c JK |
1493 | priv->encr_tx_key_index = index; |
1494 | ||
1495 | return 0; | |
1496 | } | |
1497 | ||
461bc26c | 1498 | static int restore_key(struct usbnet *usbdev, u8 key_idx) |
b7cfc5b3 JK |
1499 | { |
1500 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
1501 | struct rndis_wlan_encr_key key; | |
84bf8400 JK |
1502 | |
1503 | if (is_wpa_key(priv, key_idx)) | |
1504 | return 0; | |
b7cfc5b3 JK |
1505 | |
1506 | key = priv->encr_keys[key_idx]; | |
1507 | ||
60b86755 | 1508 | netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len); |
b7cfc5b3 JK |
1509 | |
1510 | if (key.len == 0) | |
1511 | return 0; | |
1512 | ||
b7cfc5b3 JK |
1513 | return add_wep_key(usbdev, key.material, key.len, key_idx); |
1514 | } | |
1515 | ||
b7cfc5b3 JK |
1516 | static void restore_keys(struct usbnet *usbdev) |
1517 | { | |
1518 | int i; | |
1519 | ||
1520 | for (i = 0; i < 4; i++) | |
1521 | restore_key(usbdev, i); | |
1522 | } | |
1523 | ||
461bc26c | 1524 | static void clear_key(struct rndis_wlan_private *priv, u8 idx) |
b7cfc5b3 JK |
1525 | { |
1526 | memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx])); | |
1527 | } | |
1528 | ||
bf164cc0 | 1529 | /* remove_key is for both wep and wpa */ |
461bc26c | 1530 | static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid) |
bf164cc0 | 1531 | { |
582241a0 | 1532 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
1e41e1d2 | 1533 | struct ndis_80211_remove_key remove_key; |
bf164cc0 | 1534 | __le32 keyindex; |
b7cfc5b3 | 1535 | bool is_wpa; |
bf164cc0 JK |
1536 | int ret; |
1537 | ||
ec3cbb9c DC |
1538 | if (index >= RNDIS_WLAN_NUM_KEYS) |
1539 | return -ENOENT; | |
1540 | ||
b7cfc5b3 | 1541 | if (priv->encr_keys[index].len == 0) |
bf164cc0 JK |
1542 | return 0; |
1543 | ||
b7cfc5b3 | 1544 | is_wpa = is_wpa_key(priv, index); |
bf164cc0 | 1545 | |
60b86755 JP |
1546 | netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n", |
1547 | __func__, index, is_wpa ? "wpa" : "wep", | |
1548 | priv->encr_keys[index].len); | |
b7cfc5b3 JK |
1549 | |
1550 | clear_key(priv, index); | |
1551 | ||
1552 | if (is_wpa) { | |
461b3f2a JK |
1553 | remove_key.size = cpu_to_le32(sizeof(remove_key)); |
1554 | remove_key.index = cpu_to_le32(index); | |
bf164cc0 JK |
1555 | if (bssid) { |
1556 | /* pairwise key */ | |
7b1fff99 | 1557 | if (!is_broadcast_ether_addr(bssid)) |
b4703a2e | 1558 | remove_key.index |= |
aa18294a | 1559 | NDIS_80211_ADDKEY_PAIRWISE_KEY; |
461b3f2a JK |
1560 | memcpy(remove_key.bssid, bssid, |
1561 | sizeof(remove_key.bssid)); | |
bf164cc0 | 1562 | } else |
461b3f2a JK |
1563 | memset(remove_key.bssid, 0xff, |
1564 | sizeof(remove_key.bssid)); | |
bf164cc0 | 1565 | |
4cc6c4d5 | 1566 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1567 | RNDIS_OID_802_11_REMOVE_KEY, |
4cc6c4d5 | 1568 | &remove_key, sizeof(remove_key)); |
bf164cc0 JK |
1569 | if (ret != 0) |
1570 | return ret; | |
1571 | } else { | |
1572 | keyindex = cpu_to_le32(index); | |
4cc6c4d5 | 1573 | ret = rndis_set_oid(usbdev, |
470f16c8 | 1574 | RNDIS_OID_802_11_REMOVE_WEP, |
4cc6c4d5 | 1575 | &keyindex, sizeof(keyindex)); |
bf164cc0 | 1576 | if (ret != 0) { |
60b86755 JP |
1577 | netdev_warn(usbdev->net, |
1578 | "removing encryption key %d failed (%08X)\n", | |
1579 | index, ret); | |
bf164cc0 JK |
1580 | return ret; |
1581 | } | |
1582 | } | |
1583 | ||
1584 | /* if it is transmit key, disable encryption */ | |
1585 | if (index == priv->encr_tx_key_index) | |
5c52323e | 1586 | set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE); |
bf164cc0 JK |
1587 | |
1588 | return 0; | |
1589 | } | |
1590 | ||
bf164cc0 JK |
1591 | static void set_multicast_list(struct usbnet *usbdev) |
1592 | { | |
582241a0 | 1593 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
22bedad3 | 1594 | struct netdev_hw_addr *ha; |
12c3400a JP |
1595 | __le32 filter, basefilter; |
1596 | int ret; | |
1597 | char *mc_addrs = NULL; | |
1598 | int mc_count; | |
bf164cc0 | 1599 | |
7390e8b0 LW |
1600 | basefilter = filter = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | |
1601 | RNDIS_PACKET_TYPE_BROADCAST); | |
bf164cc0 JK |
1602 | |
1603 | if (usbdev->net->flags & IFF_PROMISC) { | |
7390e8b0 LW |
1604 | filter |= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS | |
1605 | RNDIS_PACKET_TYPE_ALL_LOCAL); | |
12c3400a | 1606 | } else if (usbdev->net->flags & IFF_ALLMULTI) { |
7390e8b0 | 1607 | filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST); |
12c3400a JP |
1608 | } |
1609 | ||
1610 | if (filter != basefilter) | |
1611 | goto set_filter; | |
1612 | ||
1613 | /* | |
1614 | * mc_list should be accessed holding the lock, so copy addresses to | |
1615 | * local buffer first. | |
1616 | */ | |
1617 | netif_addr_lock_bh(usbdev->net); | |
1618 | mc_count = netdev_mc_count(usbdev->net); | |
1619 | if (mc_count > priv->multicast_size) { | |
7390e8b0 | 1620 | filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST); |
12c3400a JP |
1621 | } else if (mc_count) { |
1622 | int i = 0; | |
1623 | ||
0d2e7a5c | 1624 | mc_addrs = kmalloc_array(mc_count, ETH_ALEN, GFP_ATOMIC); |
12c3400a | 1625 | if (!mc_addrs) { |
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 | { | |
60f53cf9 | 1806 | struct ndis_80211_pmkid *new_pmkids; |
551d6fe6 DC |
1807 | int i, err, newlen; |
1808 | unsigned int count; | |
5a7d0583 | 1809 | |
5a7d0583 JK |
1810 | count = le32_to_cpu(pmkids->bssid_info_count); |
1811 | ||
1812 | if (count > max_pmkids) | |
1813 | count = max_pmkids; | |
1814 | ||
1815 | /* update with new pmkid */ | |
1816 | for (i = 0; i < count; i++) { | |
2e42e474 JP |
1817 | if (!ether_addr_equal(pmkids->bssid_info[i].bssid, |
1818 | pmksa->bssid)) | |
5a7d0583 JK |
1819 | continue; |
1820 | ||
1821 | memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid, | |
1822 | WLAN_PMKID_LEN); | |
1823 | ||
1824 | return pmkids; | |
1825 | } | |
1826 | ||
1827 | /* out of space, return error */ | |
1828 | if (i == max_pmkids) { | |
1829 | netdev_dbg(usbdev->net, "%s(): out of space\n", __func__); | |
1830 | err = -ENOSPC; | |
1831 | goto error; | |
1832 | } | |
1833 | ||
1834 | /* add new pmkid */ | |
1835 | newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]); | |
1836 | ||
60f53cf9 AK |
1837 | new_pmkids = krealloc(pmkids, newlen, GFP_KERNEL); |
1838 | if (!new_pmkids) { | |
5a7d0583 JK |
1839 | err = -ENOMEM; |
1840 | goto error; | |
1841 | } | |
60f53cf9 | 1842 | pmkids = new_pmkids; |
5a7d0583 JK |
1843 | |
1844 | pmkids->length = cpu_to_le32(newlen); | |
1845 | pmkids->bssid_info_count = cpu_to_le32(count + 1); | |
1846 | ||
1847 | memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN); | |
1848 | memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN); | |
1849 | ||
1850 | return pmkids; | |
1851 | error: | |
1852 | kfree(pmkids); | |
1853 | return ERR_PTR(err); | |
1854 | } | |
1855 | ||
964c1d41 JL |
1856 | /* |
1857 | * cfg80211 ops | |
1858 | */ | |
e36d56b6 JB |
1859 | static int rndis_change_virtual_intf(struct wiphy *wiphy, |
1860 | struct net_device *dev, | |
964c1d41 JL |
1861 | enum nl80211_iftype type, u32 *flags, |
1862 | struct vif_params *params) | |
1863 | { | |
16139172 JK |
1864 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); |
1865 | struct usbnet *usbdev = priv->usbdev; | |
964c1d41 JL |
1866 | int mode; |
1867 | ||
964c1d41 JL |
1868 | switch (type) { |
1869 | case NL80211_IFTYPE_ADHOC: | |
aa18294a | 1870 | mode = NDIS_80211_INFRA_ADHOC; |
964c1d41 JL |
1871 | break; |
1872 | case NL80211_IFTYPE_STATION: | |
aa18294a | 1873 | mode = NDIS_80211_INFRA_INFRA; |
964c1d41 JL |
1874 | break; |
1875 | default: | |
1876 | return -EINVAL; | |
1877 | } | |
1878 | ||
16139172 JK |
1879 | priv->wdev.iftype = type; |
1880 | ||
964c1d41 JL |
1881 | return set_infra_mode(usbdev, mode); |
1882 | } | |
1883 | ||
d75ec2b7 JK |
1884 | static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1885 | { | |
1886 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1887 | struct usbnet *usbdev = priv->usbdev; | |
1888 | int err; | |
1889 | ||
1890 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
1891 | err = set_frag_threshold(usbdev, wiphy->frag_threshold); | |
1892 | if (err < 0) | |
1893 | return err; | |
1894 | } | |
1895 | ||
1896 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1897 | err = set_rts_threshold(usbdev, wiphy->rts_threshold); | |
1898 | if (err < 0) | |
1899 | return err; | |
1900 | } | |
1901 | ||
1902 | return 0; | |
1903 | } | |
1904 | ||
fa61cf70 | 1905 | static int rndis_set_tx_power(struct wiphy *wiphy, |
c8442118 | 1906 | struct wireless_dev *wdev, |
fa61cf70 JO |
1907 | enum nl80211_tx_power_setting type, |
1908 | int mbm) | |
222ec50a JK |
1909 | { |
1910 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1911 | struct usbnet *usbdev = priv->usbdev; | |
1912 | ||
fa61cf70 JO |
1913 | netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n", |
1914 | __func__, type, mbm); | |
1915 | ||
1916 | if (mbm < 0 || (mbm % 100)) | |
1917 | return -ENOTSUPP; | |
222ec50a JK |
1918 | |
1919 | /* Device doesn't support changing txpower after initialization, only | |
1920 | * turn off/on radio. Support 'auto' mode and setting same dBm that is | |
1921 | * currently used. | |
1922 | */ | |
fa61cf70 JO |
1923 | if (type == NL80211_TX_POWER_AUTOMATIC || |
1924 | MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) { | |
222ec50a | 1925 | if (!priv->radio_on) |
051ae0bf | 1926 | disassociate(usbdev, true); /* turn on radio */ |
222ec50a JK |
1927 | |
1928 | return 0; | |
1929 | } | |
1930 | ||
1931 | return -ENOTSUPP; | |
1932 | } | |
1933 | ||
c8442118 JB |
1934 | static int rndis_get_tx_power(struct wiphy *wiphy, |
1935 | struct wireless_dev *wdev, | |
1936 | int *dbm) | |
222ec50a JK |
1937 | { |
1938 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
1939 | struct usbnet *usbdev = priv->usbdev; | |
1940 | ||
1941 | *dbm = get_bcm4320_power_dbm(priv); | |
1942 | ||
60b86755 | 1943 | netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm); |
222ec50a JK |
1944 | |
1945 | return 0; | |
1946 | } | |
1947 | ||
b1d25a67 | 1948 | #define SCAN_DELAY_JIFFIES (6 * HZ) |
fd014284 | 1949 | static int rndis_scan(struct wiphy *wiphy, |
71a7b26d JK |
1950 | struct cfg80211_scan_request *request) |
1951 | { | |
fd014284 | 1952 | struct net_device *dev = request->wdev->netdev; |
71a7b26d | 1953 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 1954 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d | 1955 | int ret; |
5cb56af2 | 1956 | int delay = SCAN_DELAY_JIFFIES; |
71a7b26d | 1957 | |
60b86755 | 1958 | netdev_dbg(usbdev->net, "cfg80211.scan\n"); |
71a7b26d | 1959 | |
db0dd396 JK |
1960 | /* Get current bssid list from device before new scan, as new scan |
1961 | * clears internal bssid list. | |
1962 | */ | |
b5257c95 | 1963 | rndis_check_bssid_list(usbdev, NULL, NULL); |
db0dd396 | 1964 | |
71a7b26d JK |
1965 | if (priv->scan_request && priv->scan_request != request) |
1966 | return -EBUSY; | |
1967 | ||
1968 | priv->scan_request = request; | |
1969 | ||
5cb56af2 | 1970 | ret = rndis_start_bssid_list_scan(usbdev); |
71a7b26d | 1971 | if (ret == 0) { |
5cb56af2 JK |
1972 | if (priv->device_type == RNDIS_BCM4320A) |
1973 | delay = HZ; | |
1974 | ||
71a7b26d | 1975 | /* Wait before retrieving scan results from device */ |
5cb56af2 | 1976 | queue_delayed_work(priv->workqueue, &priv->scan_work, delay); |
71a7b26d JK |
1977 | } |
1978 | ||
1979 | return ret; | |
1980 | } | |
1981 | ||
a64e2e23 JK |
1982 | static bool rndis_bss_info_update(struct usbnet *usbdev, |
1983 | struct ndis_80211_bssid_ex *bssid) | |
71a7b26d | 1984 | { |
582241a0 | 1985 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
71a7b26d | 1986 | struct ieee80211_channel *channel; |
a64e2e23 | 1987 | struct cfg80211_bss *bss; |
71a7b26d JK |
1988 | s32 signal; |
1989 | u64 timestamp; | |
1990 | u16 capability; | |
1991 | u16 beacon_interval; | |
1992 | struct ndis_80211_fixed_ies *fixed; | |
1993 | int ie_len, bssid_len; | |
1994 | u8 *ie; | |
1995 | ||
bfe3850b JK |
1996 | netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n", |
1997 | bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length)); | |
5fd8f250 | 1998 | |
71a7b26d JK |
1999 | /* parse bssid structure */ |
2000 | bssid_len = le32_to_cpu(bssid->length); | |
2001 | ||
2002 | if (bssid_len < sizeof(struct ndis_80211_bssid_ex) + | |
2003 | sizeof(struct ndis_80211_fixed_ies)) | |
2004 | return NULL; | |
2005 | ||
2006 | fixed = (struct ndis_80211_fixed_ies *)bssid->ies; | |
2007 | ||
2008 | ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); | |
2009 | ie_len = min(bssid_len - (int)sizeof(*bssid), | |
2010 | (int)le32_to_cpu(bssid->ie_length)); | |
2011 | ie_len -= sizeof(struct ndis_80211_fixed_ies); | |
2012 | if (ie_len < 0) | |
2013 | return NULL; | |
2014 | ||
2015 | /* extract data for cfg80211_inform_bss */ | |
2016 | channel = ieee80211_get_channel(priv->wdev.wiphy, | |
2017 | KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config))); | |
2018 | if (!channel) | |
2019 | return NULL; | |
2020 | ||
2021 | signal = level_to_qual(le32_to_cpu(bssid->rssi)); | |
2022 | timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp); | |
2023 | capability = le16_to_cpu(fixed->capabilities); | |
2024 | beacon_interval = le16_to_cpu(fixed->beacon_interval); | |
2025 | ||
a64e2e23 | 2026 | bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac, |
71a7b26d JK |
2027 | timestamp, capability, beacon_interval, ie, ie_len, signal, |
2028 | GFP_KERNEL); | |
5b112d3d | 2029 | cfg80211_put_bss(priv->wdev.wiphy, bss); |
a64e2e23 JK |
2030 | |
2031 | return (bss != NULL); | |
71a7b26d JK |
2032 | } |
2033 | ||
bfe3850b JK |
2034 | static struct ndis_80211_bssid_ex *next_bssid_list_item( |
2035 | struct ndis_80211_bssid_ex *bssid, | |
2036 | int *bssid_len, void *buf, int len) | |
2037 | { | |
2038 | void *buf_end, *bssid_end; | |
2039 | ||
2040 | buf_end = (char *)buf + len; | |
2041 | bssid_end = (char *)bssid + *bssid_len; | |
2042 | ||
2043 | if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) { | |
2044 | *bssid_len = 0; | |
2045 | return NULL; | |
2046 | } else { | |
2047 | bssid = (void *)((char *)bssid + *bssid_len); | |
2048 | *bssid_len = le32_to_cpu(bssid->length); | |
2049 | return bssid; | |
2050 | } | |
2051 | } | |
2052 | ||
2053 | static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid, | |
2054 | int bssid_len, void *buf, int len) | |
2055 | { | |
2056 | void *buf_end, *bssid_end; | |
2057 | ||
2058 | if (!bssid || bssid_len <= 0 || bssid_len > len) | |
2059 | return false; | |
2060 | ||
2061 | buf_end = (char *)buf + len; | |
2062 | bssid_end = (char *)bssid + bssid_len; | |
2063 | ||
2064 | return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0; | |
2065 | } | |
2066 | ||
b5257c95 JK |
2067 | static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid, |
2068 | bool *matched) | |
71a7b26d JK |
2069 | { |
2070 | void *buf = NULL; | |
2071 | struct ndis_80211_bssid_list_ex *bssid_list; | |
2072 | struct ndis_80211_bssid_ex *bssid; | |
bfe3850b | 2073 | int ret = -EINVAL, len, count, bssid_len, real_count, new_len; |
71a7b26d | 2074 | |
bfe3850b | 2075 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
71a7b26d JK |
2076 | |
2077 | len = CONTROL_BUFFER_SIZE; | |
5fd8f250 | 2078 | resize_buf: |
bfe3850b | 2079 | buf = kzalloc(len, GFP_KERNEL); |
71a7b26d JK |
2080 | if (!buf) { |
2081 | ret = -ENOMEM; | |
2082 | goto out; | |
2083 | } | |
2084 | ||
bfe3850b JK |
2085 | /* BSSID-list might have got bigger last time we checked, keep |
2086 | * resizing until it won't get any bigger. | |
2087 | */ | |
2088 | new_len = len; | |
470f16c8 | 2089 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST, |
4cc6c4d5 | 2090 | buf, &new_len); |
bfe3850b | 2091 | if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex)) |
71a7b26d JK |
2092 | goto out; |
2093 | ||
bfe3850b JK |
2094 | if (new_len > len) { |
2095 | len = new_len; | |
5fd8f250 JK |
2096 | kfree(buf); |
2097 | goto resize_buf; | |
2098 | } | |
2099 | ||
bfe3850b JK |
2100 | len = new_len; |
2101 | ||
71a7b26d | 2102 | bssid_list = buf; |
71a7b26d | 2103 | count = le32_to_cpu(bssid_list->num_items); |
bfe3850b JK |
2104 | real_count = 0; |
2105 | netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len); | |
2106 | ||
2107 | bssid_len = 0; | |
2108 | bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len); | |
71a7b26d | 2109 | |
bfe3850b JK |
2110 | /* Device returns incorrect 'num_items'. Workaround by ignoring the |
2111 | * received 'num_items' and walking through full bssid buffer instead. | |
2112 | */ | |
2113 | while (check_bssid_list_item(bssid, bssid_len, buf, len)) { | |
b5257c95 JK |
2114 | if (rndis_bss_info_update(usbdev, bssid) && match_bssid && |
2115 | matched) { | |
b0fd49b7 | 2116 | if (ether_addr_equal(bssid->mac, match_bssid)) |
b5257c95 JK |
2117 | *matched = true; |
2118 | } | |
71a7b26d | 2119 | |
bfe3850b JK |
2120 | real_count++; |
2121 | bssid = next_bssid_list_item(bssid, &bssid_len, buf, len); | |
71a7b26d JK |
2122 | } |
2123 | ||
bfe3850b JK |
2124 | netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:" |
2125 | " %d\n", __func__, count, real_count); | |
2126 | ||
71a7b26d JK |
2127 | out: |
2128 | kfree(buf); | |
2129 | return ret; | |
2130 | } | |
2131 | ||
71a7b26d JK |
2132 | static void rndis_get_scan_results(struct work_struct *work) |
2133 | { | |
582241a0 JK |
2134 | struct rndis_wlan_private *priv = |
2135 | container_of(work, struct rndis_wlan_private, scan_work.work); | |
71a7b26d JK |
2136 | struct usbnet *usbdev = priv->usbdev; |
2137 | int ret; | |
2138 | ||
60b86755 | 2139 | netdev_dbg(usbdev->net, "get_scan_results\n"); |
71a7b26d | 2140 | |
005ba2f1 JK |
2141 | if (!priv->scan_request) |
2142 | return; | |
2143 | ||
b5257c95 | 2144 | ret = rndis_check_bssid_list(usbdev, NULL, NULL); |
71a7b26d JK |
2145 | |
2146 | cfg80211_scan_done(priv->scan_request, ret < 0); | |
2147 | ||
2148 | priv->scan_request = NULL; | |
2149 | } | |
2150 | ||
5c52323e JK |
2151 | static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
2152 | struct cfg80211_connect_params *sme) | |
2153 | { | |
2154 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2155 | struct usbnet *usbdev = priv->usbdev; | |
2156 | struct ieee80211_channel *channel = sme->channel; | |
2157 | struct ndis_80211_ssid ssid; | |
2158 | int pairwise = RNDIS_WLAN_ALG_NONE; | |
2159 | int groupwise = RNDIS_WLAN_ALG_NONE; | |
2160 | int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE; | |
2161 | int length, i, ret, chan = -1; | |
2162 | ||
2163 | if (channel) | |
2164 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
2165 | ||
2166 | groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group); | |
2167 | for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) | |
2168 | pairwise |= | |
2169 | rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]); | |
2170 | ||
2171 | if (sme->crypto.n_ciphers_pairwise > 0 && | |
2172 | pairwise == RNDIS_WLAN_ALG_NONE) { | |
60b86755 | 2173 | netdev_err(usbdev->net, "Unsupported pairwise cipher\n"); |
5c52323e JK |
2174 | return -ENOTSUPP; |
2175 | } | |
2176 | ||
2177 | for (i = 0; i < sme->crypto.n_akm_suites; i++) | |
2178 | keymgmt |= | |
2179 | rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]); | |
2180 | ||
2181 | if (sme->crypto.n_akm_suites > 0 && | |
2182 | keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) { | |
60b86755 | 2183 | netdev_err(usbdev->net, "Invalid keymgmt\n"); |
5c52323e JK |
2184 | return -ENOTSUPP; |
2185 | } | |
2186 | ||
60b86755 JP |
2187 | netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n", |
2188 | sme->ssid, sme->bssid, chan, | |
2189 | sme->privacy, sme->crypto.wpa_versions, sme->auth_type, | |
2190 | groupwise, pairwise, keymgmt); | |
5c52323e JK |
2191 | |
2192 | if (is_associated(usbdev)) | |
2193 | disassociate(usbdev, false); | |
2194 | ||
2195 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); | |
2196 | if (ret < 0) { | |
60b86755 JP |
2197 | netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n", |
2198 | ret); | |
5c52323e JK |
2199 | goto err_turn_radio_on; |
2200 | } | |
2201 | ||
2202 | ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type, | |
2203 | keymgmt); | |
2204 | if (ret < 0) { | |
60b86755 JP |
2205 | netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n", |
2206 | ret); | |
5c52323e JK |
2207 | goto err_turn_radio_on; |
2208 | } | |
2209 | ||
2210 | set_priv_filter(usbdev); | |
2211 | ||
2212 | ret = set_encr_mode(usbdev, pairwise, groupwise); | |
2213 | if (ret < 0) { | |
60b86755 JP |
2214 | netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n", |
2215 | ret); | |
5c52323e JK |
2216 | goto err_turn_radio_on; |
2217 | } | |
2218 | ||
2219 | if (channel) { | |
2220 | ret = set_channel(usbdev, chan); | |
2221 | if (ret < 0) { | |
60b86755 JP |
2222 | netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n", |
2223 | ret); | |
5c52323e JK |
2224 | goto err_turn_radio_on; |
2225 | } | |
2226 | } | |
2227 | ||
2228 | if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) { | |
2229 | priv->encr_tx_key_index = sme->key_idx; | |
2230 | ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx); | |
2231 | if (ret < 0) { | |
60b86755 JP |
2232 | netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n", |
2233 | ret, sme->key_len, sme->key_idx); | |
5c52323e JK |
2234 | goto err_turn_radio_on; |
2235 | } | |
2236 | } | |
2237 | ||
2238 | if (sme->bssid && !is_zero_ether_addr(sme->bssid) && | |
2239 | !is_broadcast_ether_addr(sme->bssid)) { | |
2240 | ret = set_bssid(usbdev, sme->bssid); | |
2241 | if (ret < 0) { | |
60b86755 JP |
2242 | netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n", |
2243 | ret); | |
5c52323e JK |
2244 | goto err_turn_radio_on; |
2245 | } | |
2246 | } else | |
2247 | clear_bssid(usbdev); | |
2248 | ||
2249 | length = sme->ssid_len; | |
2250 | if (length > NDIS_802_11_LENGTH_SSID) | |
2251 | length = NDIS_802_11_LENGTH_SSID; | |
2252 | ||
2253 | memset(&ssid, 0, sizeof(ssid)); | |
2254 | ssid.length = cpu_to_le32(length); | |
2255 | memcpy(ssid.essid, sme->ssid, length); | |
2256 | ||
2257 | /* Pause and purge rx queue, so we don't pass packets before | |
2258 | * 'media connect'-indication. | |
2259 | */ | |
2260 | usbnet_pause_rx(usbdev); | |
2261 | usbnet_purge_paused_rxq(usbdev); | |
2262 | ||
2263 | ret = set_essid(usbdev, &ssid); | |
2264 | if (ret < 0) | |
60b86755 | 2265 | netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret); |
5c52323e JK |
2266 | return ret; |
2267 | ||
2268 | err_turn_radio_on: | |
051ae0bf | 2269 | disassociate(usbdev, true); |
5c52323e JK |
2270 | |
2271 | return ret; | |
2272 | } | |
2273 | ||
2274 | static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
2275 | u16 reason_code) | |
2276 | { | |
2277 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2278 | struct usbnet *usbdev = priv->usbdev; | |
2279 | ||
60b86755 | 2280 | netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code); |
5c52323e JK |
2281 | |
2282 | priv->connected = false; | |
8b89a288 | 2283 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
2284 | |
2285 | return deauthenticate(usbdev); | |
2286 | } | |
2287 | ||
2288 | static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
2289 | struct cfg80211_ibss_params *params) | |
2290 | { | |
2291 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2292 | struct usbnet *usbdev = priv->usbdev; | |
683b6d3b | 2293 | struct ieee80211_channel *channel = params->chandef.chan; |
5c52323e JK |
2294 | struct ndis_80211_ssid ssid; |
2295 | enum nl80211_auth_type auth_type; | |
2296 | int ret, alg, length, chan = -1; | |
2297 | ||
2298 | if (channel) | |
2299 | chan = ieee80211_frequency_to_channel(channel->center_freq); | |
2300 | ||
2301 | /* TODO: How to handle ad-hoc encryption? | |
2302 | * connect() has *key, join_ibss() doesn't. RNDIS requires key to be | |
2303 | * pre-shared for encryption (open/shared/wpa), is key set before | |
2304 | * join_ibss? Which auth_type to use (not in params)? What about WPA? | |
2305 | */ | |
2306 | if (params->privacy) { | |
2307 | auth_type = NL80211_AUTHTYPE_SHARED_KEY; | |
2308 | alg = RNDIS_WLAN_ALG_WEP; | |
2309 | } else { | |
2310 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
2311 | alg = RNDIS_WLAN_ALG_NONE; | |
2312 | } | |
2313 | ||
60b86755 JP |
2314 | netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n", |
2315 | params->ssid, params->bssid, chan, params->privacy); | |
5c52323e JK |
2316 | |
2317 | if (is_associated(usbdev)) | |
2318 | disassociate(usbdev, false); | |
2319 | ||
2320 | ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC); | |
2321 | if (ret < 0) { | |
60b86755 JP |
2322 | netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n", |
2323 | ret); | |
5c52323e JK |
2324 | goto err_turn_radio_on; |
2325 | } | |
2326 | ||
2327 | ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE); | |
2328 | if (ret < 0) { | |
60b86755 JP |
2329 | netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n", |
2330 | ret); | |
5c52323e JK |
2331 | goto err_turn_radio_on; |
2332 | } | |
2333 | ||
2334 | set_priv_filter(usbdev); | |
2335 | ||
2336 | ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE); | |
2337 | if (ret < 0) { | |
60b86755 JP |
2338 | netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n", |
2339 | ret); | |
5c52323e JK |
2340 | goto err_turn_radio_on; |
2341 | } | |
2342 | ||
2343 | if (channel) { | |
2344 | ret = set_channel(usbdev, chan); | |
2345 | if (ret < 0) { | |
60b86755 JP |
2346 | netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n", |
2347 | ret); | |
5c52323e JK |
2348 | goto err_turn_radio_on; |
2349 | } | |
2350 | } | |
2351 | ||
2352 | if (params->bssid && !is_zero_ether_addr(params->bssid) && | |
2353 | !is_broadcast_ether_addr(params->bssid)) { | |
2354 | ret = set_bssid(usbdev, params->bssid); | |
2355 | if (ret < 0) { | |
60b86755 JP |
2356 | netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n", |
2357 | ret); | |
5c52323e JK |
2358 | goto err_turn_radio_on; |
2359 | } | |
2360 | } else | |
2361 | clear_bssid(usbdev); | |
2362 | ||
2363 | length = params->ssid_len; | |
2364 | if (length > NDIS_802_11_LENGTH_SSID) | |
2365 | length = NDIS_802_11_LENGTH_SSID; | |
2366 | ||
2367 | memset(&ssid, 0, sizeof(ssid)); | |
2368 | ssid.length = cpu_to_le32(length); | |
2369 | memcpy(ssid.essid, params->ssid, length); | |
2370 | ||
2371 | /* Don't need to pause rx queue for ad-hoc. */ | |
2372 | usbnet_purge_paused_rxq(usbdev); | |
2373 | usbnet_resume_rx(usbdev); | |
2374 | ||
2375 | ret = set_essid(usbdev, &ssid); | |
2376 | if (ret < 0) | |
60b86755 JP |
2377 | netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n", |
2378 | ret); | |
5c52323e JK |
2379 | return ret; |
2380 | ||
2381 | err_turn_radio_on: | |
051ae0bf | 2382 | disassociate(usbdev, true); |
5c52323e JK |
2383 | |
2384 | return ret; | |
2385 | } | |
2386 | ||
2387 | static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2388 | { | |
2389 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2390 | struct usbnet *usbdev = priv->usbdev; | |
2391 | ||
60b86755 | 2392 | netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n"); |
5c52323e JK |
2393 | |
2394 | priv->connected = false; | |
8b89a288 | 2395 | memset(priv->bssid, 0, ETH_ALEN); |
5c52323e JK |
2396 | |
2397 | return deauthenticate(usbdev); | |
2398 | } | |
2399 | ||
84bf8400 | 2400 | static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
e31b8213 JB |
2401 | u8 key_index, bool pairwise, const u8 *mac_addr, |
2402 | struct key_params *params) | |
84bf8400 JK |
2403 | { |
2404 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2405 | struct usbnet *usbdev = priv->usbdev; | |
53d27eaf | 2406 | __le32 flags; |
84bf8400 | 2407 | |
60b86755 JP |
2408 | netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n", |
2409 | __func__, key_index, mac_addr, params->cipher); | |
84bf8400 JK |
2410 | |
2411 | switch (params->cipher) { | |
2412 | case WLAN_CIPHER_SUITE_WEP40: | |
2413 | case WLAN_CIPHER_SUITE_WEP104: | |
2414 | return add_wep_key(usbdev, params->key, params->key_len, | |
2415 | key_index); | |
2416 | case WLAN_CIPHER_SUITE_TKIP: | |
2417 | case WLAN_CIPHER_SUITE_CCMP: | |
2418 | flags = 0; | |
2419 | ||
2420 | if (params->seq && params->seq_len > 0) | |
2421 | flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ; | |
2422 | if (mac_addr) | |
2423 | flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY | | |
2424 | NDIS_80211_ADDKEY_TRANSMIT_KEY; | |
2425 | ||
2426 | return add_wpa_key(usbdev, params->key, params->key_len, | |
2427 | key_index, mac_addr, params->seq, | |
2428 | params->seq_len, params->cipher, flags); | |
2429 | default: | |
60b86755 JP |
2430 | netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n", |
2431 | __func__, params->cipher); | |
84bf8400 JK |
2432 | return -ENOTSUPP; |
2433 | } | |
2434 | } | |
2435 | ||
2436 | static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
e31b8213 | 2437 | u8 key_index, bool pairwise, const u8 *mac_addr) |
84bf8400 JK |
2438 | { |
2439 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2440 | struct usbnet *usbdev = priv->usbdev; | |
2441 | ||
60b86755 | 2442 | netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr); |
84bf8400 JK |
2443 | |
2444 | return remove_key(usbdev, key_index, mac_addr); | |
2445 | } | |
2446 | ||
2447 | static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
dbd2fd65 | 2448 | u8 key_index, bool unicast, bool multicast) |
84bf8400 JK |
2449 | { |
2450 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2451 | struct usbnet *usbdev = priv->usbdev; | |
2452 | struct rndis_wlan_encr_key key; | |
2453 | ||
60b86755 | 2454 | netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index); |
84bf8400 | 2455 | |
ec3cbb9c DC |
2456 | if (key_index >= RNDIS_WLAN_NUM_KEYS) |
2457 | return -ENOENT; | |
2458 | ||
84bf8400 JK |
2459 | priv->encr_tx_key_index = key_index; |
2460 | ||
0b578021 JK |
2461 | if (is_wpa_key(priv, key_index)) |
2462 | return 0; | |
2463 | ||
84bf8400 JK |
2464 | key = priv->encr_keys[key_index]; |
2465 | ||
2466 | return add_wep_key(usbdev, key.material, key.len, key_index); | |
2467 | } | |
2468 | ||
8b89a288 JK |
2469 | static void rndis_fill_station_info(struct usbnet *usbdev, |
2470 | struct station_info *sinfo) | |
2471 | { | |
2472 | __le32 linkspeed, rssi; | |
2473 | int ret, len; | |
2474 | ||
2475 | memset(sinfo, 0, sizeof(*sinfo)); | |
2476 | ||
2477 | len = sizeof(linkspeed); | |
470f16c8 | 2478 | ret = rndis_query_oid(usbdev, RNDIS_OID_GEN_LINK_SPEED, &linkspeed, &len); |
8b89a288 JK |
2479 | if (ret == 0) { |
2480 | sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000; | |
2481 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
2482 | } | |
2483 | ||
2484 | len = sizeof(rssi); | |
470f16c8 | 2485 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI, |
4cc6c4d5 | 2486 | &rssi, &len); |
8b89a288 JK |
2487 | if (ret == 0) { |
2488 | sinfo->signal = level_to_qual(le32_to_cpu(rssi)); | |
2489 | sinfo->filled |= STATION_INFO_SIGNAL; | |
2490 | } | |
2491 | } | |
2492 | ||
2493 | static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, | |
2494 | u8 *mac, struct station_info *sinfo) | |
2495 | { | |
2496 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2497 | struct usbnet *usbdev = priv->usbdev; | |
2498 | ||
2e42e474 | 2499 | if (!ether_addr_equal(priv->bssid, mac)) |
8b89a288 JK |
2500 | return -ENOENT; |
2501 | ||
2502 | rndis_fill_station_info(usbdev, sinfo); | |
2503 | ||
2504 | return 0; | |
2505 | } | |
2506 | ||
d695df90 JK |
2507 | static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
2508 | int idx, u8 *mac, struct station_info *sinfo) | |
2509 | { | |
2510 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2511 | struct usbnet *usbdev = priv->usbdev; | |
2512 | ||
2513 | if (idx != 0) | |
2514 | return -ENOENT; | |
2515 | ||
2516 | memcpy(mac, priv->bssid, ETH_ALEN); | |
2517 | ||
2518 | rndis_fill_station_info(usbdev, sinfo); | |
2519 | ||
2520 | return 0; | |
2521 | } | |
2522 | ||
5a7d0583 JK |
2523 | static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, |
2524 | struct cfg80211_pmksa *pmksa) | |
2525 | { | |
2526 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2527 | struct usbnet *usbdev = priv->usbdev; | |
2528 | struct ndis_80211_pmkid *pmkids; | |
2529 | u32 *tmp = (u32 *)pmksa->pmkid; | |
2530 | ||
2531 | netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__, | |
2532 | pmksa->bssid, | |
2533 | cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), | |
2534 | cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3])); | |
2535 | ||
2536 | pmkids = get_device_pmkids(usbdev); | |
2537 | if (IS_ERR(pmkids)) { | |
2538 | /* couldn't read PMKID cache from device */ | |
2539 | return PTR_ERR(pmkids); | |
2540 | } | |
2541 | ||
2542 | pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids); | |
2543 | if (IS_ERR(pmkids)) { | |
2544 | /* not found, list full, etc */ | |
2545 | return PTR_ERR(pmkids); | |
2546 | } | |
2547 | ||
2548 | return set_device_pmkids(usbdev, pmkids); | |
2549 | } | |
2550 | ||
2551 | static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
2552 | struct cfg80211_pmksa *pmksa) | |
2553 | { | |
2554 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2555 | struct usbnet *usbdev = priv->usbdev; | |
2556 | struct ndis_80211_pmkid *pmkids; | |
2557 | u32 *tmp = (u32 *)pmksa->pmkid; | |
2558 | ||
2559 | netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__, | |
2560 | pmksa->bssid, | |
2561 | cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), | |
2562 | cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3])); | |
2563 | ||
2564 | pmkids = get_device_pmkids(usbdev); | |
2565 | if (IS_ERR(pmkids)) { | |
2566 | /* Couldn't read PMKID cache from device */ | |
2567 | return PTR_ERR(pmkids); | |
2568 | } | |
2569 | ||
2570 | pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids); | |
2571 | if (IS_ERR(pmkids)) { | |
2572 | /* not found, etc */ | |
2573 | return PTR_ERR(pmkids); | |
2574 | } | |
2575 | ||
2576 | return set_device_pmkids(usbdev, pmkids); | |
2577 | } | |
2578 | ||
2579 | static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) | |
2580 | { | |
2581 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2582 | struct usbnet *usbdev = priv->usbdev; | |
2583 | struct ndis_80211_pmkid pmkid; | |
2584 | ||
2585 | netdev_dbg(usbdev->net, "%s()\n", __func__); | |
2586 | ||
2587 | memset(&pmkid, 0, sizeof(pmkid)); | |
2588 | ||
2589 | pmkid.length = cpu_to_le32(sizeof(pmkid)); | |
2590 | pmkid.bssid_info_count = cpu_to_le32(0); | |
2591 | ||
470f16c8 | 2592 | return rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID, |
4cc6c4d5 | 2593 | &pmkid, sizeof(pmkid)); |
5a7d0583 JK |
2594 | } |
2595 | ||
40d70dd1 JK |
2596 | static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2597 | bool enabled, int timeout) | |
2598 | { | |
2599 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2600 | struct usbnet *usbdev = priv->usbdev; | |
2601 | int power_mode; | |
2602 | __le32 mode; | |
2603 | int ret; | |
2604 | ||
63453c05 JK |
2605 | if (priv->device_type != RNDIS_BCM4320B) |
2606 | return -ENOTSUPP; | |
2607 | ||
40d70dd1 JK |
2608 | netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__, |
2609 | enabled ? "enabled" : "disabled", | |
2610 | timeout); | |
2611 | ||
2612 | if (enabled) | |
2613 | power_mode = NDIS_80211_POWER_MODE_FAST_PSP; | |
2614 | else | |
2615 | power_mode = NDIS_80211_POWER_MODE_CAM; | |
2616 | ||
2617 | if (power_mode == priv->power_mode) | |
2618 | return 0; | |
2619 | ||
2620 | priv->power_mode = power_mode; | |
2621 | ||
2622 | mode = cpu_to_le32(power_mode); | |
470f16c8 | 2623 | ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_POWER_MODE, |
4cc6c4d5 | 2624 | &mode, sizeof(mode)); |
40d70dd1 | 2625 | |
4cc6c4d5 | 2626 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_POWER_MODE -> %d\n", |
40d70dd1 JK |
2627 | __func__, ret); |
2628 | ||
2629 | return ret; | |
2630 | } | |
2631 | ||
49b35bd3 JK |
2632 | static int rndis_set_cqm_rssi_config(struct wiphy *wiphy, |
2633 | struct net_device *dev, | |
2634 | s32 rssi_thold, u32 rssi_hyst) | |
2635 | { | |
2636 | struct rndis_wlan_private *priv = wiphy_priv(wiphy); | |
2637 | ||
2638 | priv->cqm_rssi_thold = rssi_thold; | |
2639 | priv->cqm_rssi_hyst = rssi_hyst; | |
2640 | priv->last_cqm_event_rssi = 0; | |
2641 | ||
2642 | return 0; | |
2643 | } | |
2644 | ||
b5257c95 JK |
2645 | static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid, |
2646 | struct ndis_80211_assoc_info *info) | |
2647 | { | |
2648 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
2649 | struct ieee80211_channel *channel; | |
b5257c95 | 2650 | struct ndis_80211_ssid ssid; |
a64e2e23 | 2651 | struct cfg80211_bss *bss; |
b5257c95 JK |
2652 | s32 signal; |
2653 | u64 timestamp; | |
2654 | u16 capability; | |
f808e4ad | 2655 | u32 beacon_period = 0; |
b5257c95 JK |
2656 | __le32 rssi; |
2657 | u8 ie_buf[34]; | |
2658 | int len, ret, ie_len; | |
2659 | ||
2660 | /* Get signal quality, in case of error use rssi=0 and ignore error. */ | |
2661 | len = sizeof(rssi); | |
2662 | rssi = 0; | |
470f16c8 | 2663 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI, |
4cc6c4d5 | 2664 | &rssi, &len); |
b5257c95 JK |
2665 | signal = level_to_qual(le32_to_cpu(rssi)); |
2666 | ||
4cc6c4d5 | 2667 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_RSSI -> %d, " |
b5257c95 JK |
2668 | "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi), |
2669 | level_to_qual(le32_to_cpu(rssi))); | |
2670 | ||
2671 | /* Get AP capabilities */ | |
2672 | if (info) { | |
2673 | capability = le16_to_cpu(info->resp_ie.capa); | |
2674 | } else { | |
2675 | /* Set atleast ESS/IBSS capability */ | |
2676 | capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ? | |
2677 | WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS; | |
2678 | } | |
2679 | ||
2680 | /* Get channel and beacon interval */ | |
f808e4ad | 2681 | channel = get_current_channel(usbdev, &beacon_period); |
cb82a66d JK |
2682 | if (!channel) { |
2683 | netdev_warn(usbdev->net, "%s(): could not get channel.\n", | |
2684 | __func__); | |
b5257c95 JK |
2685 | return; |
2686 | } | |
2687 | ||
2688 | /* Get SSID, in case of error, use zero length SSID and ignore error. */ | |
2689 | len = sizeof(ssid); | |
2690 | memset(&ssid, 0, sizeof(ssid)); | |
470f16c8 | 2691 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_SSID, |
4cc6c4d5 LW |
2692 | &ssid, &len); |
2693 | netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_SSID -> %d, len: %d, ssid: " | |
b5257c95 JK |
2694 | "'%.32s'\n", __func__, ret, |
2695 | le32_to_cpu(ssid.length), ssid.essid); | |
2696 | ||
2697 | if (le32_to_cpu(ssid.length) > 32) | |
2698 | ssid.length = cpu_to_le32(32); | |
2699 | ||
2700 | ie_buf[0] = WLAN_EID_SSID; | |
2701 | ie_buf[1] = le32_to_cpu(ssid.length); | |
2702 | memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length)); | |
2703 | ||
2704 | ie_len = le32_to_cpu(ssid.length) + 2; | |
2705 | ||
2706 | /* no tsf */ | |
2707 | timestamp = 0; | |
2708 | ||
2709 | netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, " | |
2710 | "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), " | |
2711 | "signal:%d\n", __func__, (channel ? channel->center_freq : -1), | |
f808e4ad | 2712 | bssid, (u32)timestamp, capability, beacon_period, ie_len, |
b5257c95 JK |
2713 | ssid.essid, signal); |
2714 | ||
a64e2e23 | 2715 | bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid, |
f808e4ad | 2716 | timestamp, capability, beacon_period, ie_buf, ie_len, |
b5257c95 | 2717 | signal, GFP_KERNEL); |
5b112d3d | 2718 | cfg80211_put_bss(priv->wdev.wiphy, bss); |
b5257c95 JK |
2719 | } |
2720 | ||
c5c4fe90 JK |
2721 | /* |
2722 | * workers, indication handlers, device poller | |
2723 | */ | |
0848e6c6 | 2724 | static void rndis_wlan_do_link_up_work(struct usbnet *usbdev) |
bf164cc0 | 2725 | { |
5c52323e | 2726 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
3d1ca47e | 2727 | struct ndis_80211_assoc_info *info = NULL; |
0848e6c6 | 2728 | u8 bssid[ETH_ALEN]; |
41eedf39 DC |
2729 | unsigned int resp_ie_len, req_ie_len; |
2730 | unsigned int offset; | |
5c52323e | 2731 | u8 *req_ie, *resp_ie; |
41eedf39 | 2732 | int ret; |
5c52323e | 2733 | bool roamed = false; |
b5257c95 | 2734 | bool match_bss; |
bf164cc0 | 2735 | |
5c52323e JK |
2736 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) { |
2737 | /* received media connect indication while connected, either | |
2738 | * device reassociated with same AP or roamed to new. */ | |
2739 | roamed = true; | |
2740 | } | |
0848e6c6 | 2741 | |
5c52323e JK |
2742 | req_ie_len = 0; |
2743 | resp_ie_len = 0; | |
2744 | req_ie = NULL; | |
2745 | resp_ie = NULL; | |
2746 | ||
2747 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
3d1ca47e JK |
2748 | info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL); |
2749 | if (!info) { | |
2750 | /* No memory? Try resume work later */ | |
2751 | set_bit(WORK_LINK_UP, &priv->work_pending); | |
2752 | queue_work(priv->workqueue, &priv->work); | |
2753 | return; | |
2754 | } | |
5c52323e | 2755 | |
3d1ca47e JK |
2756 | /* Get association info IEs from device. */ |
2757 | ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE); | |
5c52323e JK |
2758 | if (!ret) { |
2759 | req_ie_len = le32_to_cpu(info->req_ie_length); | |
41eedf39 DC |
2760 | if (req_ie_len > CONTROL_BUFFER_SIZE) |
2761 | req_ie_len = CONTROL_BUFFER_SIZE; | |
2762 | if (req_ie_len != 0) { | |
5c52323e | 2763 | offset = le32_to_cpu(info->offset_req_ies); |
3d1ca47e JK |
2764 | |
2765 | if (offset > CONTROL_BUFFER_SIZE) | |
2766 | offset = CONTROL_BUFFER_SIZE; | |
2767 | ||
5c52323e | 2768 | req_ie = (u8 *)info + offset; |
3d1ca47e JK |
2769 | |
2770 | if (offset + req_ie_len > CONTROL_BUFFER_SIZE) | |
2771 | req_ie_len = | |
2772 | CONTROL_BUFFER_SIZE - offset; | |
5c52323e JK |
2773 | } |
2774 | ||
2775 | resp_ie_len = le32_to_cpu(info->resp_ie_length); | |
41eedf39 DC |
2776 | if (resp_ie_len > CONTROL_BUFFER_SIZE) |
2777 | resp_ie_len = CONTROL_BUFFER_SIZE; | |
2778 | if (resp_ie_len != 0) { | |
5c52323e | 2779 | offset = le32_to_cpu(info->offset_resp_ies); |
3d1ca47e JK |
2780 | |
2781 | if (offset > CONTROL_BUFFER_SIZE) | |
2782 | offset = CONTROL_BUFFER_SIZE; | |
2783 | ||
5c52323e | 2784 | resp_ie = (u8 *)info + offset; |
3d1ca47e JK |
2785 | |
2786 | if (offset + resp_ie_len > CONTROL_BUFFER_SIZE) | |
2787 | resp_ie_len = | |
2788 | CONTROL_BUFFER_SIZE - offset; | |
5c52323e | 2789 | } |
b5257c95 JK |
2790 | } else { |
2791 | /* Since rndis_wlan_craft_connected_bss() might use info | |
2792 | * later and expects info to contain valid data if | |
2793 | * non-null, free info and set NULL here. | |
2794 | */ | |
2795 | kfree(info); | |
2796 | info = NULL; | |
4364623c | 2797 | } |
5c52323e JK |
2798 | } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC)) |
2799 | return; | |
4364623c | 2800 | |
5c52323e JK |
2801 | ret = get_bssid(usbdev, bssid); |
2802 | if (ret < 0) | |
2803 | memset(bssid, 0, sizeof(bssid)); | |
7834ddbc | 2804 | |
60b86755 JP |
2805 | netdev_dbg(usbdev->net, "link up work: [%pM]%s\n", |
2806 | bssid, roamed ? " roamed" : ""); | |
bf164cc0 | 2807 | |
b5257c95 | 2808 | /* Internal bss list in device should contain at least the currently |
5c52323e JK |
2809 | * connected bss and we can get it to cfg80211 with |
2810 | * rndis_check_bssid_list(). | |
b5257c95 JK |
2811 | * |
2812 | * NDIS spec says: "If the device is associated, but the associated | |
2813 | * BSSID is not in its BSSID scan list, then the driver must add an | |
2814 | * entry for the BSSID at the end of the data that it returns in | |
4cc6c4d5 | 2815 | * response to query of RNDIS_OID_802_11_BSSID_LIST." |
b5257c95 JK |
2816 | * |
2817 | * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a. | |
5c52323e | 2818 | */ |
b5257c95 JK |
2819 | match_bss = false; |
2820 | rndis_check_bssid_list(usbdev, bssid, &match_bss); | |
2821 | ||
2822 | if (!is_zero_ether_addr(bssid) && !match_bss) { | |
2823 | /* Couldn't get bss from device, we need to manually craft bss | |
2824 | * for cfg80211. | |
2825 | */ | |
2826 | rndis_wlan_craft_connected_bss(usbdev, bssid, info); | |
2827 | } | |
5c52323e JK |
2828 | |
2829 | if (priv->infra_mode == NDIS_80211_INFRA_INFRA) { | |
2830 | if (!roamed) | |
2831 | cfg80211_connect_result(usbdev->net, bssid, req_ie, | |
2832 | req_ie_len, resp_ie, | |
2833 | resp_ie_len, 0, GFP_KERNEL); | |
2834 | else | |
6f104a08 JK |
2835 | cfg80211_roamed(usbdev->net, |
2836 | get_current_channel(usbdev, NULL), | |
2837 | bssid, req_ie, req_ie_len, | |
5c52323e JK |
2838 | resp_ie, resp_ie_len, GFP_KERNEL); |
2839 | } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) | |
2840 | cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL); | |
2841 | ||
3d1ca47e JK |
2842 | if (info != NULL) |
2843 | kfree(info); | |
2844 | ||
5c52323e | 2845 | priv->connected = true; |
8b89a288 | 2846 | memcpy(priv->bssid, bssid, ETH_ALEN); |
6010ce07 | 2847 | |
0848e6c6 | 2848 | usbnet_resume_rx(usbdev); |
5c52323e | 2849 | netif_carrier_on(usbdev->net); |
0848e6c6 JK |
2850 | } |
2851 | ||
2852 | static void rndis_wlan_do_link_down_work(struct usbnet *usbdev) | |
2853 | { | |
b6411fc2 | 2854 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
0848e6c6 | 2855 | |
b6411fc2 JK |
2856 | if (priv->connected) { |
2857 | priv->connected = false; | |
2858 | memset(priv->bssid, 0, ETH_ALEN); | |
2859 | ||
2860 | deauthenticate(usbdev); | |
0848e6c6 | 2861 | |
b6411fc2 JK |
2862 | cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL); |
2863 | } | |
2864 | ||
2865 | netif_carrier_off(usbdev->net); | |
0848e6c6 JK |
2866 | } |
2867 | ||
2868 | static void rndis_wlan_worker(struct work_struct *work) | |
2869 | { | |
2870 | struct rndis_wlan_private *priv = | |
2871 | container_of(work, struct rndis_wlan_private, work); | |
2872 | struct usbnet *usbdev = priv->usbdev; | |
2873 | ||
2874 | if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) | |
2875 | rndis_wlan_do_link_up_work(usbdev); | |
2876 | ||
2877 | if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) | |
2878 | rndis_wlan_do_link_down_work(usbdev); | |
2879 | ||
bf164cc0 JK |
2880 | if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2881 | set_multicast_list(usbdev); | |
2882 | } | |
2883 | ||
582241a0 | 2884 | static void rndis_wlan_set_multicast_list(struct net_device *dev) |
bf164cc0 | 2885 | { |
524ad0a7 | 2886 | struct usbnet *usbdev = netdev_priv(dev); |
582241a0 | 2887 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 2888 | |
a67edb9e JK |
2889 | if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2890 | return; | |
2891 | ||
bf164cc0 JK |
2892 | set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
2893 | queue_work(priv->workqueue, &priv->work); | |
2894 | } | |
2895 | ||
030645ac JK |
2896 | static void rndis_wlan_auth_indication(struct usbnet *usbdev, |
2897 | struct ndis_80211_status_indication *indication, | |
2898 | int len) | |
2899 | { | |
2900 | u8 *buf; | |
2901 | const char *type; | |
a0f9ce2a | 2902 | int flags, buflen, key_id; |
030645ac JK |
2903 | bool pairwise_error, group_error; |
2904 | struct ndis_80211_auth_request *auth_req; | |
a0f9ce2a | 2905 | enum nl80211_key_type key_type; |
030645ac JK |
2906 | |
2907 | /* must have at least one array entry */ | |
2908 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2909 | sizeof(struct ndis_80211_auth_request)) { | |
60b86755 JP |
2910 | netdev_info(usbdev->net, "authentication indication: too short message (%i)\n", |
2911 | len); | |
030645ac JK |
2912 | return; |
2913 | } | |
2914 | ||
2915 | buf = (void *)&indication->u.auth_request[0]; | |
2916 | buflen = len - offsetof(struct ndis_80211_status_indication, u); | |
2917 | ||
2918 | while (buflen >= sizeof(*auth_req)) { | |
2919 | auth_req = (void *)buf; | |
2920 | type = "unknown"; | |
2921 | flags = le32_to_cpu(auth_req->flags); | |
2922 | pairwise_error = false; | |
2923 | group_error = false; | |
2924 | ||
2925 | if (flags & 0x1) | |
2926 | type = "reauth request"; | |
2927 | if (flags & 0x2) | |
2928 | type = "key update request"; | |
2929 | if (flags & 0x6) { | |
2930 | pairwise_error = true; | |
2931 | type = "pairwise_error"; | |
2932 | } | |
2933 | if (flags & 0xe) { | |
2934 | group_error = true; | |
2935 | type = "group_error"; | |
2936 | } | |
2937 | ||
60b86755 JP |
2938 | netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n", |
2939 | type, le32_to_cpu(auth_req->flags)); | |
030645ac | 2940 | |
a0f9ce2a JK |
2941 | if (pairwise_error) { |
2942 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
2943 | key_id = -1; | |
030645ac | 2944 | |
a0f9ce2a JK |
2945 | cfg80211_michael_mic_failure(usbdev->net, |
2946 | auth_req->bssid, | |
2947 | key_type, key_id, NULL, | |
2948 | GFP_KERNEL); | |
2949 | } | |
030645ac | 2950 | |
a0f9ce2a JK |
2951 | if (group_error) { |
2952 | key_type = NL80211_KEYTYPE_GROUP; | |
2953 | key_id = -1; | |
030645ac | 2954 | |
a0f9ce2a JK |
2955 | cfg80211_michael_mic_failure(usbdev->net, |
2956 | auth_req->bssid, | |
2957 | key_type, key_id, NULL, | |
2958 | GFP_KERNEL); | |
030645ac JK |
2959 | } |
2960 | ||
2961 | buflen -= le32_to_cpu(auth_req->length); | |
2962 | buf += le32_to_cpu(auth_req->length); | |
2963 | } | |
2964 | } | |
2965 | ||
2966 | static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev, | |
2967 | struct ndis_80211_status_indication *indication, | |
2968 | int len) | |
2969 | { | |
2970 | struct ndis_80211_pmkid_cand_list *cand_list; | |
2971 | int list_len, expected_len, i; | |
2972 | ||
2973 | if (len < offsetof(struct ndis_80211_status_indication, u) + | |
2974 | sizeof(struct ndis_80211_pmkid_cand_list)) { | |
60b86755 JP |
2975 | netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n", |
2976 | len); | |
030645ac JK |
2977 | return; |
2978 | } | |
2979 | ||
2980 | list_len = le32_to_cpu(indication->u.cand_list.num_candidates) * | |
2981 | sizeof(struct ndis_80211_pmkid_candidate); | |
2982 | expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len + | |
2983 | offsetof(struct ndis_80211_status_indication, u); | |
2984 | ||
2985 | if (len < expected_len) { | |
60b86755 JP |
2986 | netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n", |
2987 | len, expected_len); | |
030645ac JK |
2988 | return; |
2989 | } | |
2990 | ||
2991 | cand_list = &indication->u.cand_list; | |
2992 | ||
60b86755 JP |
2993 | netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n", |
2994 | le32_to_cpu(cand_list->version), | |
2995 | le32_to_cpu(cand_list->num_candidates)); | |
030645ac JK |
2996 | |
2997 | if (le32_to_cpu(cand_list->version) != 1) | |
2998 | return; | |
2999 | ||
3000 | for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) { | |
030645ac JK |
3001 | struct ndis_80211_pmkid_candidate *cand = |
3002 | &cand_list->candidate_list[i]; | |
1c706875 | 3003 | bool preauth = !!(cand->flags & NDIS_80211_PMKID_CAND_PREAUTH); |
030645ac | 3004 | |
1c706875 JK |
3005 | netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n", |
3006 | i, le32_to_cpu(cand->flags), preauth, cand->bssid); | |
21ec2d8d | 3007 | |
1c706875 JK |
3008 | cfg80211_pmksa_candidate_notify(usbdev->net, i, cand->bssid, |
3009 | preauth, GFP_ATOMIC); | |
030645ac JK |
3010 | } |
3011 | } | |
3012 | ||
3013 | static void rndis_wlan_media_specific_indication(struct usbnet *usbdev, | |
3014 | struct rndis_indicate *msg, int buflen) | |
3015 | { | |
3016 | struct ndis_80211_status_indication *indication; | |
e4e02da2 | 3017 | unsigned int len, offset; |
030645ac JK |
3018 | |
3019 | offset = offsetof(struct rndis_indicate, status) + | |
3020 | le32_to_cpu(msg->offset); | |
3021 | len = le32_to_cpu(msg->length); | |
3022 | ||
3023 | if (len < 8) { | |
60b86755 JP |
3024 | netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n", |
3025 | len); | |
030645ac JK |
3026 | return; |
3027 | } | |
3028 | ||
e4e02da2 | 3029 | if (len > buflen || offset > buflen || offset + len > buflen) { |
60b86755 JP |
3030 | netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n", |
3031 | offset + len, buflen); | |
030645ac JK |
3032 | return; |
3033 | } | |
3034 | ||
3035 | indication = (void *)((u8 *)msg + offset); | |
3036 | ||
3037 | switch (le32_to_cpu(indication->status_type)) { | |
3038 | case NDIS_80211_STATUSTYPE_RADIOSTATE: | |
60b86755 JP |
3039 | netdev_info(usbdev->net, "radio state indication: %i\n", |
3040 | le32_to_cpu(indication->u.radio_status)); | |
030645ac JK |
3041 | return; |
3042 | ||
3043 | case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE: | |
60b86755 JP |
3044 | netdev_info(usbdev->net, "media stream mode indication: %i\n", |
3045 | le32_to_cpu(indication->u.media_stream_mode)); | |
030645ac JK |
3046 | return; |
3047 | ||
3048 | case NDIS_80211_STATUSTYPE_AUTHENTICATION: | |
3049 | rndis_wlan_auth_indication(usbdev, indication, len); | |
3050 | return; | |
3051 | ||
3052 | case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST: | |
3053 | rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len); | |
3054 | return; | |
3055 | ||
3056 | default: | |
60b86755 JP |
3057 | netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n", |
3058 | le32_to_cpu(indication->status_type)); | |
030645ac JK |
3059 | } |
3060 | } | |
3061 | ||
2a4901bc | 3062 | static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) |
bf164cc0 | 3063 | { |
582241a0 | 3064 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
2a4901bc | 3065 | struct rndis_indicate *msg = ind; |
bf164cc0 | 3066 | |
117599e0 JK |
3067 | switch (le32_to_cpu(msg->status)) { |
3068 | case RNDIS_STATUS_MEDIA_CONNECT: | |
470f16c8 JK |
3069 | if (priv->current_command_oid == RNDIS_OID_802_11_ADD_KEY) { |
3070 | /* RNDIS_OID_802_11_ADD_KEY causes sometimes extra | |
5f81ff5a JK |
3071 | * "media connect" indications which confuses driver |
3072 | * and userspace to think that device is | |
3073 | * roaming/reassociating when it isn't. | |
3074 | */ | |
4cc6c4d5 | 3075 | netdev_dbg(usbdev->net, "ignored RNDIS_OID_802_11_ADD_KEY triggered 'media connect'\n"); |
5f81ff5a JK |
3076 | return; |
3077 | } | |
3078 | ||
7834ddbc JK |
3079 | usbnet_pause_rx(usbdev); |
3080 | ||
60b86755 | 3081 | netdev_info(usbdev->net, "media connect\n"); |
2a4901bc | 3082 | |
030645ac | 3083 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
3084 | set_bit(WORK_LINK_UP, &priv->work_pending); |
3085 | queue_work(priv->workqueue, &priv->work); | |
3086 | break; | |
3087 | ||
117599e0 | 3088 | case RNDIS_STATUS_MEDIA_DISCONNECT: |
60b86755 | 3089 | netdev_info(usbdev->net, "media disconnect\n"); |
2a4901bc | 3090 | |
030645ac | 3091 | /* queue work to avoid recursive calls into rndis_command */ |
2a4901bc JK |
3092 | set_bit(WORK_LINK_DOWN, &priv->work_pending); |
3093 | queue_work(priv->workqueue, &priv->work); | |
3094 | break; | |
3095 | ||
117599e0 | 3096 | case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION: |
030645ac JK |
3097 | rndis_wlan_media_specific_indication(usbdev, msg, buflen); |
3098 | break; | |
3099 | ||
2a4901bc | 3100 | default: |
60b86755 JP |
3101 | netdev_info(usbdev->net, "indication: 0x%08x\n", |
3102 | le32_to_cpu(msg->status)); | |
2a4901bc JK |
3103 | break; |
3104 | } | |
bf164cc0 JK |
3105 | } |
3106 | ||
0308383f | 3107 | static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy) |
bf164cc0 JK |
3108 | { |
3109 | struct { | |
3110 | __le32 num_items; | |
3111 | __le32 items[8]; | |
3112 | } networks_supported; | |
0308383f JK |
3113 | struct ndis_80211_capability *caps; |
3114 | u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16]; | |
bf164cc0 | 3115 | int len, retval, i, n; |
582241a0 | 3116 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 3117 | |
bf164cc0 JK |
3118 | /* determine supported modes */ |
3119 | len = sizeof(networks_supported); | |
4cc6c4d5 | 3120 | retval = rndis_query_oid(usbdev, |
470f16c8 | 3121 | RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED, |
4cc6c4d5 | 3122 | &networks_supported, &len); |
bf164cc0 JK |
3123 | if (retval >= 0) { |
3124 | n = le32_to_cpu(networks_supported.num_items); | |
3125 | if (n > 8) | |
3126 | n = 8; | |
3127 | for (i = 0; i < n; i++) { | |
3128 | switch (le32_to_cpu(networks_supported.items[i])) { | |
aa18294a JK |
3129 | case NDIS_80211_TYPE_FREQ_HOP: |
3130 | case NDIS_80211_TYPE_DIRECT_SEQ: | |
bf164cc0 JK |
3131 | priv->caps |= CAP_MODE_80211B; |
3132 | break; | |
aa18294a | 3133 | case NDIS_80211_TYPE_OFDM_A: |
bf164cc0 JK |
3134 | priv->caps |= CAP_MODE_80211A; |
3135 | break; | |
aa18294a | 3136 | case NDIS_80211_TYPE_OFDM_G: |
bf164cc0 JK |
3137 | priv->caps |= CAP_MODE_80211G; |
3138 | break; | |
3139 | } | |
3140 | } | |
bf164cc0 JK |
3141 | } |
3142 | ||
0308383f JK |
3143 | /* get device 802.11 capabilities, number of PMKIDs */ |
3144 | caps = (struct ndis_80211_capability *)caps_buf; | |
3145 | len = sizeof(caps_buf); | |
4cc6c4d5 | 3146 | retval = rndis_query_oid(usbdev, |
470f16c8 | 3147 | RNDIS_OID_802_11_CAPABILITY, |
4cc6c4d5 | 3148 | caps, &len); |
0308383f | 3149 | if (retval >= 0) { |
4cc6c4d5 | 3150 | netdev_dbg(usbdev->net, "RNDIS_OID_802_11_CAPABILITY -> len %d, " |
0308383f JK |
3151 | "ver %d, pmkids %d, auth-encr-pairs %d\n", |
3152 | le32_to_cpu(caps->length), | |
3153 | le32_to_cpu(caps->version), | |
3154 | le32_to_cpu(caps->num_pmkids), | |
3155 | le32_to_cpu(caps->num_auth_encr_pair)); | |
3156 | wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids); | |
3157 | } else | |
3158 | wiphy->max_num_pmkids = 0; | |
3159 | ||
bf164cc0 JK |
3160 | return retval; |
3161 | } | |
3162 | ||
49b35bd3 JK |
3163 | static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi) |
3164 | { | |
3165 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
3166 | enum nl80211_cqm_rssi_threshold_event event; | |
3167 | int thold, hyst, last_event; | |
3168 | ||
3169 | if (priv->cqm_rssi_thold >= 0 || rssi >= 0) | |
3170 | return; | |
3171 | if (priv->infra_mode != NDIS_80211_INFRA_INFRA) | |
3172 | return; | |
3173 | ||
3174 | last_event = priv->last_cqm_event_rssi; | |
3175 | thold = priv->cqm_rssi_thold; | |
3176 | hyst = priv->cqm_rssi_hyst; | |
3177 | ||
3178 | if (rssi < thold && (last_event == 0 || rssi < last_event - hyst)) | |
3179 | event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; | |
3180 | else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst)) | |
3181 | event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; | |
3182 | else | |
3183 | return; | |
3184 | ||
3185 | priv->last_cqm_event_rssi = rssi; | |
3186 | cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL); | |
3187 | } | |
3188 | ||
305e243e JK |
3189 | #define DEVICE_POLLER_JIFFIES (HZ) |
3190 | static void rndis_device_poller(struct work_struct *work) | |
bf164cc0 | 3191 | { |
582241a0 | 3192 | struct rndis_wlan_private *priv = |
305e243e JK |
3193 | container_of(work, struct rndis_wlan_private, |
3194 | dev_poller_work.work); | |
bf164cc0 | 3195 | struct usbnet *usbdev = priv->usbdev; |
bf164cc0 | 3196 | __le32 rssi, tmp; |
a97b1f3d | 3197 | int len, ret, j; |
305e243e | 3198 | int update_jiffies = DEVICE_POLLER_JIFFIES; |
bf164cc0 JK |
3199 | void *buf; |
3200 | ||
8b89a288 JK |
3201 | /* Only check/do workaround when connected. Calling is_associated() |
3202 | * also polls device with rndis_command() and catches for media link | |
3203 | * indications. | |
3204 | */ | |
5cb56af2 JK |
3205 | if (!is_associated(usbdev)) { |
3206 | /* Workaround bad scanning in BCM4320a devices with active | |
3207 | * background scanning when not associated. | |
3208 | */ | |
3209 | if (priv->device_type == RNDIS_BCM4320A && priv->radio_on && | |
3210 | !priv->scan_request) { | |
3211 | /* Get previous scan results */ | |
3212 | rndis_check_bssid_list(usbdev, NULL, NULL); | |
3213 | ||
3214 | /* Initiate new scan */ | |
3215 | rndis_start_bssid_list_scan(usbdev); | |
3216 | } | |
3217 | ||
bf164cc0 | 3218 | goto end; |
5cb56af2 | 3219 | } |
bf164cc0 JK |
3220 | |
3221 | len = sizeof(rssi); | |
470f16c8 | 3222 | ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI, |
4cc6c4d5 | 3223 | &rssi, &len); |
49b35bd3 | 3224 | if (ret == 0) { |
8b89a288 | 3225 | priv->last_qual = level_to_qual(le32_to_cpu(rssi)); |
49b35bd3 JK |
3226 | rndis_do_cqm(usbdev, le32_to_cpu(rssi)); |
3227 | } | |
bf164cc0 | 3228 | |
4cc6c4d5 | 3229 | netdev_dbg(usbdev->net, "dev-poller: RNDIS_OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n", |
60b86755 | 3230 | ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi))); |
bf164cc0 | 3231 | |
a97b1f3d JK |
3232 | /* Workaround transfer stalls on poor quality links. |
3233 | * TODO: find right way to fix these stalls (as stalls do not happen | |
3234 | * with ndiswrapper/windows driver). */ | |
77593ae2 | 3235 | if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) { |
bf164cc0 JK |
3236 | /* Decrease stats worker interval to catch stalls. |
3237 | * faster. Faster than 400-500ms causes packet loss, | |
3238 | * Slower doesn't catch stalls fast enough. | |
3239 | */ | |
3240 | j = msecs_to_jiffies(priv->param_workaround_interval); | |
305e243e JK |
3241 | if (j > DEVICE_POLLER_JIFFIES) |
3242 | j = DEVICE_POLLER_JIFFIES; | |
bf164cc0 JK |
3243 | else if (j <= 0) |
3244 | j = 1; | |
3245 | update_jiffies = j; | |
3246 | ||
3247 | /* Send scan OID. Use of both OIDs is required to get device | |
3248 | * working. | |
3249 | */ | |
35c26c2c | 3250 | tmp = cpu_to_le32(1); |
4cc6c4d5 | 3251 | rndis_set_oid(usbdev, |
470f16c8 | 3252 | RNDIS_OID_802_11_BSSID_LIST_SCAN, |
4cc6c4d5 | 3253 | &tmp, sizeof(tmp)); |
bf164cc0 JK |
3254 | |
3255 | len = CONTROL_BUFFER_SIZE; | |
3256 | buf = kmalloc(len, GFP_KERNEL); | |
3257 | if (!buf) | |
3258 | goto end; | |
3259 | ||
4cc6c4d5 | 3260 | rndis_query_oid(usbdev, |
470f16c8 | 3261 | RNDIS_OID_802_11_BSSID_LIST, |
4cc6c4d5 | 3262 | buf, &len); |
bf164cc0 JK |
3263 | kfree(buf); |
3264 | } | |
bf164cc0 | 3265 | |
305e243e | 3266 | end: |
bf164cc0 JK |
3267 | if (update_jiffies >= HZ) |
3268 | update_jiffies = round_jiffies_relative(update_jiffies); | |
3269 | else { | |
3270 | j = round_jiffies_relative(update_jiffies); | |
3271 | if (abs(j - update_jiffies) <= 10) | |
3272 | update_jiffies = j; | |
3273 | } | |
3274 | ||
305e243e JK |
3275 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
3276 | update_jiffies); | |
bf164cc0 JK |
3277 | } |
3278 | ||
c5c4fe90 JK |
3279 | /* |
3280 | * driver/device initialization | |
3281 | */ | |
5cb56af2 | 3282 | static void rndis_copy_module_params(struct usbnet *usbdev, int device_type) |
bf164cc0 | 3283 | { |
582241a0 | 3284 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 | 3285 | |
5cb56af2 JK |
3286 | priv->device_type = device_type; |
3287 | ||
bf164cc0 JK |
3288 | priv->param_country[0] = modparam_country[0]; |
3289 | priv->param_country[1] = modparam_country[1]; | |
3290 | priv->param_country[2] = 0; | |
3291 | priv->param_frameburst = modparam_frameburst; | |
3292 | priv->param_afterburner = modparam_afterburner; | |
3293 | priv->param_power_save = modparam_power_save; | |
3294 | priv->param_power_output = modparam_power_output; | |
3295 | priv->param_roamtrigger = modparam_roamtrigger; | |
3296 | priv->param_roamdelta = modparam_roamdelta; | |
bf164cc0 JK |
3297 | |
3298 | priv->param_country[0] = toupper(priv->param_country[0]); | |
3299 | priv->param_country[1] = toupper(priv->param_country[1]); | |
3300 | /* doesn't support EU as country code, use FI instead */ | |
3301 | if (!strcmp(priv->param_country, "EU")) | |
3302 | strcpy(priv->param_country, "FI"); | |
3303 | ||
3304 | if (priv->param_power_save < 0) | |
3305 | priv->param_power_save = 0; | |
3306 | else if (priv->param_power_save > 2) | |
3307 | priv->param_power_save = 2; | |
3308 | ||
a7624837 JK |
3309 | if (priv->param_power_output < 0) |
3310 | priv->param_power_output = 0; | |
3311 | else if (priv->param_power_output > 3) | |
3312 | priv->param_power_output = 3; | |
3313 | ||
bf164cc0 JK |
3314 | if (priv->param_roamtrigger < -80) |
3315 | priv->param_roamtrigger = -80; | |
3316 | else if (priv->param_roamtrigger > -60) | |
3317 | priv->param_roamtrigger = -60; | |
3318 | ||
3319 | if (priv->param_roamdelta < 0) | |
3320 | priv->param_roamdelta = 0; | |
3321 | else if (priv->param_roamdelta > 2) | |
3322 | priv->param_roamdelta = 2; | |
3323 | ||
4d381ffb | 3324 | if (modparam_workaround_interval < 0) |
bf164cc0 | 3325 | priv->param_workaround_interval = 500; |
4d381ffb RK |
3326 | else |
3327 | priv->param_workaround_interval = modparam_workaround_interval; | |
cef6e912 JK |
3328 | } |
3329 | ||
5cb56af2 JK |
3330 | static int unknown_early_init(struct usbnet *usbdev) |
3331 | { | |
3332 | /* copy module parameters for unknown so that iwconfig reports txpower | |
3333 | * and workaround parameter is copied to private structure correctly. | |
3334 | */ | |
3335 | rndis_copy_module_params(usbdev, RNDIS_UNKNOWN); | |
3336 | ||
3337 | /* This is unknown device, so do not try set configuration parameters. | |
3338 | */ | |
3339 | ||
3340 | return 0; | |
3341 | } | |
3342 | ||
cef6e912 JK |
3343 | static int bcm4320a_early_init(struct usbnet *usbdev) |
3344 | { | |
6e850af5 JK |
3345 | /* copy module parameters for bcm4320a so that iwconfig reports txpower |
3346 | * and workaround parameter is copied to private structure correctly. | |
3347 | */ | |
5cb56af2 | 3348 | rndis_copy_module_params(usbdev, RNDIS_BCM4320A); |
6e850af5 | 3349 | |
cef6e912 JK |
3350 | /* bcm4320a doesn't handle configuration parameters well. Try |
3351 | * set any and you get partially zeroed mac and broken device. | |
3352 | */ | |
3353 | ||
3354 | return 0; | |
3355 | } | |
3356 | ||
3357 | static int bcm4320b_early_init(struct usbnet *usbdev) | |
3358 | { | |
3359 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); | |
3360 | char buf[8]; | |
3361 | ||
5cb56af2 | 3362 | rndis_copy_module_params(usbdev, RNDIS_BCM4320B); |
cef6e912 JK |
3363 | |
3364 | /* Early initialization settings, setting these won't have effect | |
3365 | * if called after generic_rndis_bind(). | |
3366 | */ | |
bf164cc0 | 3367 | |
a19d7292 JK |
3368 | rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
3369 | rndis_set_config_parameter_str(usbdev, "FrameBursting", | |
bf164cc0 | 3370 | priv->param_frameburst ? "1" : "0"); |
a19d7292 | 3371 | rndis_set_config_parameter_str(usbdev, "Afterburner", |
bf164cc0 JK |
3372 | priv->param_afterburner ? "1" : "0"); |
3373 | sprintf(buf, "%d", priv->param_power_save); | |
a19d7292 | 3374 | rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
bf164cc0 | 3375 | sprintf(buf, "%d", priv->param_power_output); |
a19d7292 | 3376 | rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
bf164cc0 | 3377 | sprintf(buf, "%d", priv->param_roamtrigger); |
a19d7292 | 3378 | rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
bf164cc0 | 3379 | sprintf(buf, "%d", priv->param_roamdelta); |
a19d7292 | 3380 | rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
bf164cc0 JK |
3381 | |
3382 | return 0; | |
3383 | } | |
3384 | ||
23d12e2b | 3385 | /* same as rndis_netdev_ops but with local multicast handler */ |
582241a0 | 3386 | static const struct net_device_ops rndis_wlan_netdev_ops = { |
23d12e2b DM |
3387 | .ndo_open = usbnet_open, |
3388 | .ndo_stop = usbnet_stop, | |
3389 | .ndo_start_xmit = usbnet_start_xmit, | |
3390 | .ndo_tx_timeout = usbnet_tx_timeout, | |
3391 | .ndo_set_mac_address = eth_mac_addr, | |
3392 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3393 | .ndo_set_rx_mode = rndis_wlan_set_multicast_list, |
23d12e2b DM |
3394 | }; |
3395 | ||
582241a0 | 3396 | static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 3397 | { |
5c8fa4f7 | 3398 | struct wiphy *wiphy; |
582241a0 | 3399 | struct rndis_wlan_private *priv; |
bf164cc0 JK |
3400 | int retval, len; |
3401 | __le32 tmp; | |
3402 | ||
5c8fa4f7 JL |
3403 | /* allocate wiphy and rndis private data |
3404 | * NOTE: We only support a single virtual interface, so wiphy | |
3405 | * and wireless_dev are somewhat synonymous for this device. | |
3406 | */ | |
582241a0 | 3407 | wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private)); |
5c8fa4f7 | 3408 | if (!wiphy) |
bf164cc0 JK |
3409 | return -ENOMEM; |
3410 | ||
5c8fa4f7 JL |
3411 | priv = wiphy_priv(wiphy); |
3412 | usbdev->net->ieee80211_ptr = &priv->wdev; | |
3413 | priv->wdev.wiphy = wiphy; | |
3414 | priv->wdev.iftype = NL80211_IFTYPE_STATION; | |
3415 | ||
bf164cc0 | 3416 | /* These have to be initialized before calling generic_rndis_bind(). |
582241a0 | 3417 | * Otherwise we'll be in big trouble in rndis_wlan_early_init(). |
bf164cc0 | 3418 | */ |
a19d7292 | 3419 | usbdev->driver_priv = priv; |
a19d7292 | 3420 | priv->usbdev = usbdev; |
bf164cc0 JK |
3421 | |
3422 | mutex_init(&priv->command_lock); | |
bf164cc0 | 3423 | |
8d4d99ae JK |
3424 | /* because rndis_command() sleeps we need to use workqueue */ |
3425 | priv->workqueue = create_singlethread_workqueue("rndis_wlan"); | |
582241a0 | 3426 | INIT_WORK(&priv->work, rndis_wlan_worker); |
305e243e | 3427 | INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller); |
8d4d99ae JK |
3428 | INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results); |
3429 | ||
bf164cc0 | 3430 | /* try bind rndis_host */ |
a19d7292 | 3431 | retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
bf164cc0 JK |
3432 | if (retval < 0) |
3433 | goto fail; | |
3434 | ||
3435 | /* generic_rndis_bind set packet filter to multicast_all+ | |
3436 | * promisc mode which doesn't work well for our devices (device | |
3437 | * picks up rssi to closest station instead of to access point). | |
3438 | * | |
3439 | * rndis_host wants to avoid all OID as much as possible | |
582241a0 | 3440 | * so do promisc/multicast handling in rndis_wlan. |
bf164cc0 | 3441 | */ |
582241a0 | 3442 | usbdev->net->netdev_ops = &rndis_wlan_netdev_ops; |
23d12e2b | 3443 | |
7390e8b0 LW |
3444 | tmp = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST); |
3445 | retval = rndis_set_oid(usbdev, | |
470f16c8 | 3446 | RNDIS_OID_GEN_CURRENT_PACKET_FILTER, |
7390e8b0 | 3447 | &tmp, sizeof(tmp)); |
bf164cc0 JK |
3448 | |
3449 | len = sizeof(tmp); | |
7390e8b0 | 3450 | retval = rndis_query_oid(usbdev, |
470f16c8 | 3451 | RNDIS_OID_802_3_MAXIMUM_LIST_SIZE, |
7390e8b0 | 3452 | &tmp, &len); |
bf164cc0 JK |
3453 | priv->multicast_size = le32_to_cpu(tmp); |
3454 | if (retval < 0 || priv->multicast_size < 0) | |
3455 | priv->multicast_size = 0; | |
3456 | if (priv->multicast_size > 0) | |
a19d7292 | 3457 | usbdev->net->flags |= IFF_MULTICAST; |
bf164cc0 | 3458 | else |
a19d7292 | 3459 | usbdev->net->flags &= ~IFF_MULTICAST; |
bf164cc0 | 3460 | |
5c8fa4f7 JL |
3461 | /* fill-out wiphy structure and register w/ cfg80211 */ |
3462 | memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN); | |
3463 | wiphy->privid = rndis_wiphy_privid; | |
3464 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
3465 | | BIT(NL80211_IFTYPE_ADHOC); | |
3466 | wiphy->max_scan_ssids = 1; | |
3467 | ||
4a7f13ee | 3468 | /* TODO: fill-out band/encr information based on priv->caps */ |
0308383f | 3469 | rndis_wlan_get_caps(usbdev, wiphy); |
5c8fa4f7 JL |
3470 | |
3471 | memcpy(priv->channels, rndis_channels, sizeof(rndis_channels)); | |
3472 | memcpy(priv->rates, rndis_rates, sizeof(rndis_rates)); | |
3473 | priv->band.channels = priv->channels; | |
3474 | priv->band.n_channels = ARRAY_SIZE(rndis_channels); | |
3475 | priv->band.bitrates = priv->rates; | |
3476 | priv->band.n_bitrates = ARRAY_SIZE(rndis_rates); | |
3477 | wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; | |
4d2a369e | 3478 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; |
5c8fa4f7 | 3479 | |
4a7f13ee JK |
3480 | memcpy(priv->cipher_suites, rndis_cipher_suites, |
3481 | sizeof(rndis_cipher_suites)); | |
3482 | wiphy->cipher_suites = priv->cipher_suites; | |
3483 | wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites); | |
3484 | ||
5c8fa4f7 JL |
3485 | set_wiphy_dev(wiphy, &usbdev->udev->dev); |
3486 | ||
3487 | if (wiphy_register(wiphy)) { | |
eb1a685e JK |
3488 | retval = -ENODEV; |
3489 | goto fail; | |
5c8fa4f7 JL |
3490 | } |
3491 | ||
a19d7292 | 3492 | set_default_iw_params(usbdev); |
bf164cc0 | 3493 | |
40d70dd1 JK |
3494 | priv->power_mode = -1; |
3495 | ||
d75ec2b7 JK |
3496 | /* set default rts/frag */ |
3497 | rndis_set_wiphy_params(wiphy, | |
3498 | WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD); | |
3499 | ||
21b27bec JK |
3500 | /* turn radio off on init */ |
3501 | priv->radio_on = false; | |
3502 | disassociate(usbdev, false); | |
a19d7292 | 3503 | netif_carrier_off(usbdev->net); |
bf164cc0 | 3504 | |
bf164cc0 JK |
3505 | return 0; |
3506 | ||
3507 | fail: | |
305e243e | 3508 | cancel_delayed_work_sync(&priv->dev_poller_work); |
8d4d99ae JK |
3509 | cancel_delayed_work_sync(&priv->scan_work); |
3510 | cancel_work_sync(&priv->work); | |
3511 | flush_workqueue(priv->workqueue); | |
3512 | destroy_workqueue(priv->workqueue); | |
3513 | ||
eb1a685e | 3514 | wiphy_free(wiphy); |
bf164cc0 JK |
3515 | return retval; |
3516 | } | |
3517 | ||
582241a0 | 3518 | static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 3519 | { |
582241a0 | 3520 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
bf164cc0 JK |
3521 | |
3522 | /* turn radio off */ | |
051ae0bf | 3523 | disassociate(usbdev, false); |
bf164cc0 | 3524 | |
305e243e | 3525 | cancel_delayed_work_sync(&priv->dev_poller_work); |
71a7b26d | 3526 | cancel_delayed_work_sync(&priv->scan_work); |
bf164cc0 JK |
3527 | cancel_work_sync(&priv->work); |
3528 | flush_workqueue(priv->workqueue); | |
3529 | destroy_workqueue(priv->workqueue); | |
3530 | ||
a19d7292 | 3531 | rndis_unbind(usbdev, intf); |
5c8fa4f7 JL |
3532 | |
3533 | wiphy_unregister(priv->wdev.wiphy); | |
3534 | wiphy_free(priv->wdev.wiphy); | |
bf164cc0 JK |
3535 | } |
3536 | ||
582241a0 | 3537 | static int rndis_wlan_reset(struct usbnet *usbdev) |
bf164cc0 | 3538 | { |
110736de | 3539 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
7eaab708 | 3540 | int retval; |
110736de | 3541 | |
60b86755 | 3542 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
110736de | 3543 | |
7eaab708 JK |
3544 | retval = rndis_reset(usbdev); |
3545 | if (retval) | |
60b86755 | 3546 | netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval); |
7eaab708 | 3547 | |
e5a11a82 JK |
3548 | /* rndis_reset cleared multicast list, so restore here. |
3549 | (set_multicast_list() also turns on current packet filter) */ | |
7eaab708 JK |
3550 | set_multicast_list(usbdev); |
3551 | ||
305e243e JK |
3552 | queue_delayed_work(priv->workqueue, &priv->dev_poller_work, |
3553 | round_jiffies_relative(DEVICE_POLLER_JIFFIES)); | |
110736de | 3554 | |
a19d7292 | 3555 | return deauthenticate(usbdev); |
bf164cc0 JK |
3556 | } |
3557 | ||
222ec50a JK |
3558 | static int rndis_wlan_stop(struct usbnet *usbdev) |
3559 | { | |
110736de JK |
3560 | struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); |
3561 | int retval; | |
e5a11a82 | 3562 | __le32 filter; |
110736de | 3563 | |
60b86755 | 3564 | netdev_dbg(usbdev->net, "%s()\n", __func__); |
110736de | 3565 | |
051ae0bf | 3566 | retval = disassociate(usbdev, false); |
110736de JK |
3567 | |
3568 | priv->work_pending = 0; | |
305e243e | 3569 | cancel_delayed_work_sync(&priv->dev_poller_work); |
110736de JK |
3570 | cancel_delayed_work_sync(&priv->scan_work); |
3571 | cancel_work_sync(&priv->work); | |
3572 | flush_workqueue(priv->workqueue); | |
3573 | ||
005ba2f1 JK |
3574 | if (priv->scan_request) { |
3575 | cfg80211_scan_done(priv->scan_request, true); | |
3576 | priv->scan_request = NULL; | |
3577 | } | |
3578 | ||
e5a11a82 JK |
3579 | /* Set current packet filter zero to block receiving data packets from |
3580 | device. */ | |
3581 | filter = 0; | |
470f16c8 | 3582 | rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter, |
e5a11a82 JK |
3583 | sizeof(filter)); |
3584 | ||
110736de | 3585 | return retval; |
222ec50a JK |
3586 | } |
3587 | ||
bf164cc0 JK |
3588 | static const struct driver_info bcm4320b_info = { |
3589 | .description = "Wireless RNDIS device, BCM4320b based", | |
1487cd5e JK |
3590 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3591 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3592 | .bind = rndis_wlan_bind, |
3593 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3594 | .status = rndis_status, |
3595 | .rx_fixup = rndis_rx_fixup, | |
3596 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3597 | .reset = rndis_wlan_reset, |
222ec50a | 3598 | .stop = rndis_wlan_stop, |
59620e9f | 3599 | .early_init = bcm4320b_early_init, |
2a4901bc | 3600 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3601 | }; |
3602 | ||
3603 | static const struct driver_info bcm4320a_info = { | |
3604 | .description = "Wireless RNDIS device, BCM4320a based", | |
1487cd5e JK |
3605 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3606 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3607 | .bind = rndis_wlan_bind, |
3608 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3609 | .status = rndis_status, |
3610 | .rx_fixup = rndis_rx_fixup, | |
3611 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3612 | .reset = rndis_wlan_reset, |
222ec50a | 3613 | .stop = rndis_wlan_stop, |
59620e9f | 3614 | .early_init = bcm4320a_early_init, |
2a4901bc | 3615 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3616 | }; |
3617 | ||
582241a0 | 3618 | static const struct driver_info rndis_wlan_info = { |
bf164cc0 | 3619 | .description = "Wireless RNDIS device", |
1487cd5e JK |
3620 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT | |
3621 | FLAG_AVOID_UNLINK_URBS, | |
582241a0 JK |
3622 | .bind = rndis_wlan_bind, |
3623 | .unbind = rndis_wlan_unbind, | |
bf164cc0 JK |
3624 | .status = rndis_status, |
3625 | .rx_fixup = rndis_rx_fixup, | |
3626 | .tx_fixup = rndis_tx_fixup, | |
582241a0 | 3627 | .reset = rndis_wlan_reset, |
222ec50a | 3628 | .stop = rndis_wlan_stop, |
5cb56af2 | 3629 | .early_init = unknown_early_init, |
2a4901bc | 3630 | .indication = rndis_wlan_indication, |
bf164cc0 JK |
3631 | }; |
3632 | ||
3633 | /*-------------------------------------------------------------------------*/ | |
3634 | ||
3635 | static const struct usb_device_id products [] = { | |
3636 | #define RNDIS_MASTER_INTERFACE \ | |
3637 | .bInterfaceClass = USB_CLASS_COMM, \ | |
3638 | .bInterfaceSubClass = 2 /* ACM */, \ | |
3639 | .bInterfaceProtocol = 0x0ff | |
3640 | ||
3641 | /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom | |
3642 | * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki. | |
3643 | */ | |
3644 | { | |
3645 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3646 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3647 | .idVendor = 0x0411, | |
3648 | .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */ | |
3649 | RNDIS_MASTER_INTERFACE, | |
3650 | .driver_info = (unsigned long) &bcm4320b_info, | |
3651 | }, { | |
3652 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3653 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3654 | .idVendor = 0x0baf, | |
3655 | .idProduct = 0x011b, /* U.S. Robotics USR5421 */ | |
3656 | RNDIS_MASTER_INTERFACE, | |
3657 | .driver_info = (unsigned long) &bcm4320b_info, | |
3658 | }, { | |
3659 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3660 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3661 | .idVendor = 0x050d, | |
3662 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
3663 | RNDIS_MASTER_INTERFACE, | |
3664 | .driver_info = (unsigned long) &bcm4320b_info, | |
3665 | }, { | |
3666 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3667 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3668 | .idVendor = 0x1799, /* Belkin has two vendor ids */ | |
3669 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
3670 | RNDIS_MASTER_INTERFACE, | |
3671 | .driver_info = (unsigned long) &bcm4320b_info, | |
3672 | }, { | |
3673 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3674 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3675 | .idVendor = 0x13b1, | |
3676 | .idProduct = 0x0014, /* Linksys WUSB54GSv2 */ | |
3677 | RNDIS_MASTER_INTERFACE, | |
3678 | .driver_info = (unsigned long) &bcm4320b_info, | |
3679 | }, { | |
3680 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3681 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3682 | .idVendor = 0x13b1, | |
3683 | .idProduct = 0x0026, /* Linksys WUSB54GSC */ | |
3684 | RNDIS_MASTER_INTERFACE, | |
3685 | .driver_info = (unsigned long) &bcm4320b_info, | |
3686 | }, { | |
3687 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3688 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3689 | .idVendor = 0x0b05, | |
3690 | .idProduct = 0x1717, /* Asus WL169gE */ | |
3691 | RNDIS_MASTER_INTERFACE, | |
3692 | .driver_info = (unsigned long) &bcm4320b_info, | |
3693 | }, { | |
3694 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3695 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3696 | .idVendor = 0x0a5c, | |
3697 | .idProduct = 0xd11b, /* Eminent EM4045 */ | |
3698 | RNDIS_MASTER_INTERFACE, | |
3699 | .driver_info = (unsigned long) &bcm4320b_info, | |
3700 | }, { | |
3701 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3702 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3703 | .idVendor = 0x1690, | |
3704 | .idProduct = 0x0715, /* BT Voyager 1055 */ | |
3705 | RNDIS_MASTER_INTERFACE, | |
3706 | .driver_info = (unsigned long) &bcm4320b_info, | |
3707 | }, | |
3708 | /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom | |
3709 | * parameters available, hardware probably contain older firmware version with | |
3710 | * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki. | |
3711 | */ | |
3712 | { | |
3713 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3714 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3715 | .idVendor = 0x13b1, | |
3716 | .idProduct = 0x000e, /* Linksys WUSB54GSv1 */ | |
3717 | RNDIS_MASTER_INTERFACE, | |
3718 | .driver_info = (unsigned long) &bcm4320a_info, | |
3719 | }, { | |
3720 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3721 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3722 | .idVendor = 0x0baf, | |
3723 | .idProduct = 0x0111, /* U.S. Robotics USR5420 */ | |
3724 | RNDIS_MASTER_INTERFACE, | |
3725 | .driver_info = (unsigned long) &bcm4320a_info, | |
3726 | }, { | |
3727 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
3728 | | USB_DEVICE_ID_MATCH_DEVICE, | |
3729 | .idVendor = 0x0411, | |
3730 | .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */ | |
3731 | RNDIS_MASTER_INTERFACE, | |
3732 | .driver_info = (unsigned long) &bcm4320a_info, | |
3733 | }, | |
3734 | /* Generic Wireless RNDIS devices that we don't have exact | |
3735 | * idVendor/idProduct/chip yet. | |
3736 | */ | |
3737 | { | |
3738 | /* RNDIS is MSFT's un-official variant of CDC ACM */ | |
3739 | USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), | |
582241a0 | 3740 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3741 | }, { |
3742 | /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ | |
3743 | USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), | |
582241a0 | 3744 | .driver_info = (unsigned long) &rndis_wlan_info, |
bf164cc0 JK |
3745 | }, |
3746 | { }, // END | |
3747 | }; | |
3748 | MODULE_DEVICE_TABLE(usb, products); | |
3749 | ||
3750 | static struct usb_driver rndis_wlan_driver = { | |
3751 | .name = "rndis_wlan", | |
3752 | .id_table = products, | |
3753 | .probe = usbnet_probe, | |
3754 | .disconnect = usbnet_disconnect, | |
3755 | .suspend = usbnet_suspend, | |
3756 | .resume = usbnet_resume, | |
e1f12eb6 | 3757 | .disable_hub_initiated_lpm = 1, |
bf164cc0 JK |
3758 | }; |
3759 | ||
d632eb1b | 3760 | module_usb_driver(rndis_wlan_driver); |
bf164cc0 JK |
3761 | |
3762 | MODULE_AUTHOR("Bjorge Dijkstra"); | |
3763 | MODULE_AUTHOR("Jussi Kivilinna"); | |
3764 | MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); | |
3765 | MODULE_LICENSE("GPL"); | |
3766 |