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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> | |
5 | * Copyright (C) 2008 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * Portions of this file are based on NDISwrapper project, | |
22 | * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani | |
23 | * http://ndiswrapper.sourceforge.net/ | |
24 | */ | |
25 | ||
26 | // #define DEBUG // error path messages, extra info | |
27 | // #define VERBOSE // more; success messages | |
28 | ||
29 | #include <linux/module.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/netdevice.h> | |
32 | #include <linux/etherdevice.h> | |
33 | #include <linux/ethtool.h> | |
34 | #include <linux/workqueue.h> | |
35 | #include <linux/mutex.h> | |
36 | #include <linux/mii.h> | |
37 | #include <linux/usb.h> | |
38 | #include <linux/usb/cdc.h> | |
39 | #include <linux/wireless.h> | |
2c706002 | 40 | #include <linux/ieee80211.h> |
bf164cc0 JK |
41 | #include <linux/if_arp.h> |
42 | #include <linux/ctype.h> | |
43 | #include <linux/spinlock.h> | |
44 | #include <net/iw_handler.h> | |
5c8fa4f7 JL |
45 | #include <net/wireless.h> |
46 | #include <net/cfg80211.h> | |
bf164cc0 JK |
47 | #include <linux/usb/usbnet.h> |
48 | #include <linux/usb/rndis_host.h> | |
49 | ||
50 | ||
51 | /* NOTE: All these are settings for Broadcom chipset */ | |
52 | static char modparam_country[4] = "EU"; | |
53 | module_param_string(country, modparam_country, 4, 0444); | |
54 | MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU"); | |
55 | ||
56 | static int modparam_frameburst = 1; | |
57 | module_param_named(frameburst, modparam_frameburst, int, 0444); | |
58 | MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)"); | |
59 | ||
60 | static int modparam_afterburner = 0; | |
61 | module_param_named(afterburner, modparam_afterburner, int, 0444); | |
62 | MODULE_PARM_DESC(afterburner, | |
63 | "enable afterburner aka '125 High Speed Mode' (default: off)"); | |
64 | ||
65 | static int modparam_power_save = 0; | |
66 | module_param_named(power_save, modparam_power_save, int, 0444); | |
67 | MODULE_PARM_DESC(power_save, | |
68 | "set power save mode: 0=off, 1=on, 2=fast (default: off)"); | |
69 | ||
70 | static int modparam_power_output = 3; | |
71 | module_param_named(power_output, modparam_power_output, int, 0444); | |
72 | MODULE_PARM_DESC(power_output, | |
73 | "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)"); | |
74 | ||
75 | static int modparam_roamtrigger = -70; | |
76 | module_param_named(roamtrigger, modparam_roamtrigger, int, 0444); | |
77 | MODULE_PARM_DESC(roamtrigger, | |
78 | "set roaming dBm trigger: -80=optimize for distance, " | |
79 | "-60=bandwidth (default: -70)"); | |
80 | ||
81 | static int modparam_roamdelta = 1; | |
82 | module_param_named(roamdelta, modparam_roamdelta, int, 0444); | |
83 | MODULE_PARM_DESC(roamdelta, | |
84 | "set roaming tendency: 0=aggressive, 1=moderate, " | |
85 | "2=conservative (default: moderate)"); | |
86 | ||
87 | static int modparam_workaround_interval = 500; | |
88 | module_param_named(workaround_interval, modparam_workaround_interval, | |
89 | int, 0444); | |
90 | MODULE_PARM_DESC(workaround_interval, | |
91 | "set stall workaround interval in msecs (default: 500)"); | |
92 | ||
93 | ||
94 | /* various RNDIS OID defs */ | |
35c26c2c HH |
95 | #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107) |
96 | #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b) | |
97 | ||
98 | #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101) | |
99 | #define OID_GEN_RCV_OK cpu_to_le32(0x00020102) | |
100 | #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103) | |
101 | #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104) | |
102 | #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105) | |
103 | ||
104 | #define OID_802_3_PERMANENT_ADDRESS cpu_to_le32(0x01010101) | |
105 | #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102) | |
106 | #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103) | |
107 | #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104) | |
108 | ||
109 | #define OID_802_11_BSSID cpu_to_le32(0x0d010101) | |
110 | #define OID_802_11_SSID cpu_to_le32(0x0d010102) | |
111 | #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108) | |
112 | #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113) | |
113 | #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114) | |
114 | #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115) | |
115 | #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118) | |
116 | #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119) | |
117 | #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a) | |
118 | #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b) | |
119 | #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d) | |
120 | #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e) | |
121 | #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f) | |
122 | #define OID_802_11_PMKID cpu_to_le32(0x0d010123) | |
123 | #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203) | |
124 | #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204) | |
125 | #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205) | |
126 | #define OID_802_11_RSSI cpu_to_le32(0x0d010206) | |
127 | #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207) | |
128 | #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209) | |
129 | #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a) | |
130 | #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e) | |
131 | #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211) | |
132 | #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217) | |
bf164cc0 JK |
133 | |
134 | ||
135 | /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */ | |
136 | #define WL_NOISE -96 /* typical noise level in dBm */ | |
137 | #define WL_SIGMAX -32 /* typical maximum signal level in dBm */ | |
138 | ||
139 | ||
140 | /* Assume that Broadcom 4320 (only chipset at time of writing known to be | |
141 | * based on wireless rndis) has default txpower of 13dBm. | |
142 | * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications. | |
143 | * 13dBm == 19.9mW | |
144 | */ | |
145 | #define BCM4320_DEFAULT_TXPOWER 20 | |
146 | ||
147 | ||
148 | /* codes for "status" field of completion messages */ | |
35c26c2c HH |
149 | #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011) |
150 | #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012) | |
bf164cc0 JK |
151 | |
152 | ||
153 | /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c | |
154 | * slightly modified for datatype endianess, etc | |
155 | */ | |
156 | #define NDIS_802_11_LENGTH_SSID 32 | |
157 | #define NDIS_802_11_LENGTH_RATES 8 | |
158 | #define NDIS_802_11_LENGTH_RATES_EX 16 | |
159 | ||
1e41e1d2 JK |
160 | enum ndis_80211_net_type { |
161 | ndis_80211_type_freq_hop, | |
162 | ndis_80211_type_direct_seq, | |
163 | ndis_80211_type_ofdm_a, | |
164 | ndis_80211_type_ofdm_g | |
165 | }; | |
166 | ||
167 | enum ndis_80211_net_infra { | |
168 | ndis_80211_infra_adhoc, | |
169 | ndis_80211_infra_infra, | |
170 | ndis_80211_infra_auto_unknown | |
171 | }; | |
172 | ||
173 | enum ndis_80211_auth_mode { | |
174 | ndis_80211_auth_open, | |
175 | ndis_80211_auth_shared, | |
176 | ndis_80211_auth_auto_switch, | |
177 | ndis_80211_auth_wpa, | |
178 | ndis_80211_auth_wpa_psk, | |
179 | ndis_80211_auth_wpa_none, | |
180 | ndis_80211_auth_wpa2, | |
181 | ndis_80211_auth_wpa2_psk | |
182 | }; | |
183 | ||
184 | enum ndis_80211_encr_status { | |
185 | ndis_80211_encr_wep_enabled, | |
186 | ndis_80211_encr_disabled, | |
187 | ndis_80211_encr_wep_key_absent, | |
188 | ndis_80211_encr_not_supported, | |
189 | ndis_80211_encr_tkip_enabled, | |
190 | ndis_80211_encr_tkip_key_absent, | |
191 | ndis_80211_encr_ccmp_enabled, | |
192 | ndis_80211_encr_ccmp_key_absent | |
193 | }; | |
194 | ||
195 | enum ndis_80211_priv_filter { | |
196 | ndis_80211_priv_accept_all, | |
197 | ndis_80211_priv_8021x_wep | |
198 | }; | |
199 | ||
200 | struct ndis_80211_ssid { | |
461b3f2a JK |
201 | __le32 length; |
202 | u8 essid[NDIS_802_11_LENGTH_SSID]; | |
bf164cc0 JK |
203 | } __attribute__((packed)); |
204 | ||
1e41e1d2 | 205 | struct ndis_80211_conf_freq_hop { |
461b3f2a JK |
206 | __le32 length; |
207 | __le32 hop_pattern; | |
208 | __le32 hop_set; | |
209 | __le32 dwell_time; | |
bf164cc0 JK |
210 | } __attribute__((packed)); |
211 | ||
1e41e1d2 | 212 | struct ndis_80211_conf { |
461b3f2a JK |
213 | __le32 length; |
214 | __le32 beacon_period; | |
215 | __le32 atim_window; | |
216 | __le32 ds_config; | |
217 | struct ndis_80211_conf_freq_hop fh_config; | |
bf164cc0 JK |
218 | } __attribute__((packed)); |
219 | ||
1e41e1d2 | 220 | struct ndis_80211_bssid_ex { |
461b3f2a JK |
221 | __le32 length; |
222 | u8 mac[6]; | |
223 | u8 padding[2]; | |
224 | struct ndis_80211_ssid ssid; | |
225 | __le32 privacy; | |
226 | __le32 rssi; | |
227 | __le32 net_type; | |
228 | struct ndis_80211_conf config; | |
229 | __le32 net_infra; | |
230 | u8 rates[NDIS_802_11_LENGTH_RATES_EX]; | |
231 | __le32 ie_length; | |
232 | u8 ies[0]; | |
bf164cc0 JK |
233 | } __attribute__((packed)); |
234 | ||
1e41e1d2 | 235 | struct ndis_80211_bssid_list_ex { |
461b3f2a JK |
236 | __le32 num_items; |
237 | struct ndis_80211_bssid_ex bssid[0]; | |
bf164cc0 JK |
238 | } __attribute__((packed)); |
239 | ||
1e41e1d2 | 240 | struct ndis_80211_fixed_ies { |
461b3f2a JK |
241 | u8 timestamp[8]; |
242 | __le16 beacon_interval; | |
243 | __le16 capabilities; | |
bf164cc0 JK |
244 | } __attribute__((packed)); |
245 | ||
1e41e1d2 | 246 | struct ndis_80211_wep_key { |
461b3f2a JK |
247 | __le32 size; |
248 | __le32 index; | |
249 | __le32 length; | |
250 | u8 material[32]; | |
bf164cc0 JK |
251 | } __attribute__((packed)); |
252 | ||
1e41e1d2 | 253 | struct ndis_80211_key { |
461b3f2a JK |
254 | __le32 size; |
255 | __le32 index; | |
256 | __le32 length; | |
257 | u8 bssid[6]; | |
258 | u8 padding[6]; | |
259 | u8 rsc[8]; | |
260 | u8 material[32]; | |
bf164cc0 JK |
261 | } __attribute__((packed)); |
262 | ||
1e41e1d2 | 263 | struct ndis_80211_remove_key { |
461b3f2a JK |
264 | __le32 size; |
265 | __le32 index; | |
266 | u8 bssid[6]; | |
bf164cc0 JK |
267 | } __attribute__((packed)); |
268 | ||
1e41e1d2 | 269 | struct ndis_config_param { |
461b3f2a JK |
270 | __le32 name_offs; |
271 | __le32 name_length; | |
272 | __le32 type; | |
273 | __le32 value_offs; | |
274 | __le32 value_length; | |
bf164cc0 JK |
275 | } __attribute__((packed)); |
276 | ||
4364623c SA |
277 | struct ndis_80211_assoc_info { |
278 | __le32 length; | |
279 | __le16 req_ies; | |
280 | struct req_ie { | |
281 | __le16 capa; | |
282 | __le16 listen_interval; | |
283 | u8 cur_ap_address[6]; | |
284 | } req_ie; | |
285 | __le32 req_ie_length; | |
286 | __le32 offset_req_ies; | |
287 | __le16 resp_ies; | |
288 | struct resp_ie { | |
289 | __le16 capa; | |
290 | __le16 status_code; | |
291 | __le16 assoc_id; | |
292 | } resp_ie; | |
293 | __le32 resp_ie_length; | |
294 | __le32 offset_resp_ies; | |
295 | } __attribute__((packed)); | |
296 | ||
bf164cc0 | 297 | /* these have to match what is in wpa_supplicant */ |
5b0acc64 JB |
298 | enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP }; |
299 | enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, | |
300 | CIPHER_WEP104 }; | |
301 | enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE, | |
302 | KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE }; | |
bf164cc0 JK |
303 | |
304 | /* | |
305 | * private data | |
306 | */ | |
307 | #define NET_TYPE_11FB 0 | |
308 | ||
309 | #define CAP_MODE_80211A 1 | |
310 | #define CAP_MODE_80211B 2 | |
311 | #define CAP_MODE_80211G 4 | |
312 | #define CAP_MODE_MASK 7 | |
313 | #define CAP_SUPPORT_TXPOWER 8 | |
314 | ||
6010ce07 JK |
315 | #define WORK_LINK_UP (1<<0) |
316 | #define WORK_LINK_DOWN (1<<1) | |
317 | #define WORK_SET_MULTICAST_LIST (1<<2) | |
bf164cc0 | 318 | |
90d07349 JK |
319 | #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) |
320 | ||
5c8fa4f7 JL |
321 | static const struct ieee80211_channel rndis_channels[] = { |
322 | { .center_freq = 2412 }, | |
323 | { .center_freq = 2417 }, | |
324 | { .center_freq = 2422 }, | |
325 | { .center_freq = 2427 }, | |
326 | { .center_freq = 2432 }, | |
327 | { .center_freq = 2437 }, | |
328 | { .center_freq = 2442 }, | |
329 | { .center_freq = 2447 }, | |
330 | { .center_freq = 2452 }, | |
331 | { .center_freq = 2457 }, | |
332 | { .center_freq = 2462 }, | |
333 | { .center_freq = 2467 }, | |
334 | { .center_freq = 2472 }, | |
335 | { .center_freq = 2484 }, | |
336 | }; | |
337 | ||
338 | static const struct ieee80211_rate rndis_rates[] = { | |
339 | { .bitrate = 10 }, | |
340 | { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
341 | { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
342 | { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
343 | { .bitrate = 60 }, | |
344 | { .bitrate = 90 }, | |
345 | { .bitrate = 120 }, | |
346 | { .bitrate = 180 }, | |
347 | { .bitrate = 240 }, | |
348 | { .bitrate = 360 }, | |
349 | { .bitrate = 480 }, | |
350 | { .bitrate = 540 } | |
351 | }; | |
352 | ||
bf164cc0 JK |
353 | /* RNDIS device private data */ |
354 | struct rndis_wext_private { | |
bf164cc0 JK |
355 | struct usbnet *usbdev; |
356 | ||
5c8fa4f7 JL |
357 | struct wireless_dev wdev; |
358 | ||
bf164cc0 JK |
359 | struct workqueue_struct *workqueue; |
360 | struct delayed_work stats_work; | |
361 | struct work_struct work; | |
362 | struct mutex command_lock; | |
363 | spinlock_t stats_lock; | |
364 | unsigned long work_pending; | |
365 | ||
5c8fa4f7 JL |
366 | struct ieee80211_supported_band band; |
367 | struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)]; | |
368 | struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)]; | |
369 | ||
bf164cc0 JK |
370 | struct iw_statistics iwstats; |
371 | struct iw_statistics privstats; | |
372 | ||
373 | int nick_len; | |
374 | char nick[32]; | |
375 | ||
376 | int caps; | |
377 | int multicast_size; | |
378 | ||
379 | /* module parameters */ | |
380 | char param_country[4]; | |
381 | int param_frameburst; | |
382 | int param_afterburner; | |
383 | int param_power_save; | |
384 | int param_power_output; | |
385 | int param_roamtrigger; | |
386 | int param_roamdelta; | |
387 | u32 param_workaround_interval; | |
388 | ||
389 | /* hardware state */ | |
390 | int radio_on; | |
391 | int infra_mode; | |
1e41e1d2 | 392 | struct ndis_80211_ssid essid; |
bf164cc0 JK |
393 | |
394 | /* encryption stuff */ | |
395 | int encr_tx_key_index; | |
396 | char encr_keys[4][32]; | |
397 | int encr_key_len[4]; | |
398 | int wpa_version; | |
399 | int wpa_keymgmt; | |
400 | int wpa_authalg; | |
401 | int wpa_ie_len; | |
402 | u8 *wpa_ie; | |
403 | int wpa_cipher_pair; | |
404 | int wpa_cipher_group; | |
90d07349 JK |
405 | |
406 | u8 command_buffer[COMMAND_BUFFER_SIZE]; | |
bf164cc0 JK |
407 | }; |
408 | ||
964c1d41 JL |
409 | /* |
410 | * cfg80211 ops | |
411 | */ | |
412 | static int rndis_change_virtual_intf(struct wiphy *wiphy, int ifindex, | |
413 | enum nl80211_iftype type, u32 *flags, | |
414 | struct vif_params *params); | |
415 | ||
416 | struct cfg80211_ops rndis_config_ops = { | |
417 | .change_virtual_intf = rndis_change_virtual_intf, | |
418 | }; | |
bf164cc0 | 419 | |
5c8fa4f7 | 420 | void *rndis_wiphy_privid = &rndis_wiphy_privid; |
bf164cc0 JK |
421 | |
422 | static const int bcm4320_power_output[4] = { 25, 50, 75, 100 }; | |
423 | ||
424 | static const unsigned char zero_bssid[ETH_ALEN] = {0,}; | |
425 | static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, | |
426 | 0xff, 0xff, 0xff }; | |
427 | ||
428 | ||
429 | static struct rndis_wext_private *get_rndis_wext_priv(struct usbnet *dev) | |
430 | { | |
431 | return (struct rndis_wext_private *)dev->driver_priv; | |
432 | } | |
433 | ||
434 | ||
435 | static u32 get_bcm4320_power(struct rndis_wext_private *priv) | |
436 | { | |
437 | return BCM4320_DEFAULT_TXPOWER * | |
438 | bcm4320_power_output[priv->param_power_output] / 100; | |
439 | } | |
440 | ||
441 | ||
442 | /* translate error code */ | |
443 | static int rndis_error_status(__le32 rndis_status) | |
444 | { | |
445 | int ret = -EINVAL; | |
446 | switch (rndis_status) { | |
447 | case RNDIS_STATUS_SUCCESS: | |
448 | ret = 0; | |
449 | break; | |
450 | case RNDIS_STATUS_FAILURE: | |
451 | case RNDIS_STATUS_INVALID_DATA: | |
452 | ret = -EINVAL; | |
453 | break; | |
454 | case RNDIS_STATUS_NOT_SUPPORTED: | |
455 | ret = -EOPNOTSUPP; | |
456 | break; | |
457 | case RNDIS_STATUS_ADAPTER_NOT_READY: | |
458 | case RNDIS_STATUS_ADAPTER_NOT_OPEN: | |
459 | ret = -EBUSY; | |
460 | break; | |
461 | } | |
462 | return ret; | |
463 | } | |
464 | ||
465 | ||
466 | static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len) | |
467 | { | |
468 | struct rndis_wext_private *priv = get_rndis_wext_priv(dev); | |
469 | union { | |
470 | void *buf; | |
471 | struct rndis_msg_hdr *header; | |
472 | struct rndis_query *get; | |
473 | struct rndis_query_c *get_c; | |
474 | } u; | |
475 | int ret, buflen; | |
476 | ||
477 | buflen = *len + sizeof(*u.get); | |
478 | if (buflen < CONTROL_BUFFER_SIZE) | |
479 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
480 | |
481 | if (buflen > COMMAND_BUFFER_SIZE) { | |
482 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
483 | if (!u.buf) | |
484 | return -ENOMEM; | |
485 | } else { | |
486 | u.buf = priv->command_buffer; | |
487 | } | |
488 | ||
489 | mutex_lock(&priv->command_lock); | |
490 | ||
bf164cc0 JK |
491 | memset(u.get, 0, sizeof *u.get); |
492 | u.get->msg_type = RNDIS_MSG_QUERY; | |
35c26c2c | 493 | u.get->msg_len = cpu_to_le32(sizeof *u.get); |
bf164cc0 JK |
494 | u.get->oid = oid; |
495 | ||
818727ba | 496 | ret = rndis_command(dev, u.header, buflen); |
bf164cc0 JK |
497 | if (ret == 0) { |
498 | ret = le32_to_cpu(u.get_c->len); | |
499 | *len = (*len > ret) ? ret : *len; | |
500 | memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len); | |
501 | ret = rndis_error_status(u.get_c->status); | |
502 | } | |
503 | ||
90d07349 JK |
504 | mutex_unlock(&priv->command_lock); |
505 | ||
506 | if (u.buf != priv->command_buffer) | |
507 | kfree(u.buf); | |
bf164cc0 JK |
508 | return ret; |
509 | } | |
510 | ||
511 | ||
512 | static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len) | |
513 | { | |
514 | struct rndis_wext_private *priv = get_rndis_wext_priv(dev); | |
515 | union { | |
516 | void *buf; | |
517 | struct rndis_msg_hdr *header; | |
518 | struct rndis_set *set; | |
519 | struct rndis_set_c *set_c; | |
520 | } u; | |
521 | int ret, buflen; | |
522 | ||
523 | buflen = len + sizeof(*u.set); | |
524 | if (buflen < CONTROL_BUFFER_SIZE) | |
525 | buflen = CONTROL_BUFFER_SIZE; | |
90d07349 JK |
526 | |
527 | if (buflen > COMMAND_BUFFER_SIZE) { | |
528 | u.buf = kmalloc(buflen, GFP_KERNEL); | |
529 | if (!u.buf) | |
530 | return -ENOMEM; | |
531 | } else { | |
532 | u.buf = priv->command_buffer; | |
533 | } | |
534 | ||
535 | mutex_lock(&priv->command_lock); | |
bf164cc0 JK |
536 | |
537 | memset(u.set, 0, sizeof *u.set); | |
538 | u.set->msg_type = RNDIS_MSG_SET; | |
539 | u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); | |
540 | u.set->oid = oid; | |
541 | u.set->len = cpu_to_le32(len); | |
35c26c2c HH |
542 | u.set->offset = cpu_to_le32(sizeof(*u.set) - 8); |
543 | u.set->handle = cpu_to_le32(0); | |
bf164cc0 JK |
544 | memcpy(u.buf + sizeof(*u.set), data, len); |
545 | ||
818727ba | 546 | ret = rndis_command(dev, u.header, buflen); |
bf164cc0 JK |
547 | if (ret == 0) |
548 | ret = rndis_error_status(u.set_c->status); | |
549 | ||
90d07349 JK |
550 | mutex_unlock(&priv->command_lock); |
551 | ||
552 | if (u.buf != priv->command_buffer) | |
553 | kfree(u.buf); | |
bf164cc0 JK |
554 | return ret; |
555 | } | |
556 | ||
557 | ||
558 | /* | |
559 | * Specs say that we can only set config parameters only soon after device | |
560 | * initialization. | |
561 | * value_type: 0 = u32, 2 = unicode string | |
562 | */ | |
563 | static int rndis_set_config_parameter(struct usbnet *dev, char *param, | |
564 | int value_type, void *value) | |
565 | { | |
1e41e1d2 | 566 | struct ndis_config_param *infobuf; |
bf164cc0 JK |
567 | int value_len, info_len, param_len, ret, i; |
568 | __le16 *unibuf; | |
569 | __le32 *dst_value; | |
570 | ||
571 | if (value_type == 0) | |
572 | value_len = sizeof(__le32); | |
573 | else if (value_type == 2) | |
574 | value_len = strlen(value) * sizeof(__le16); | |
575 | else | |
576 | return -EINVAL; | |
577 | ||
578 | param_len = strlen(param) * sizeof(__le16); | |
579 | info_len = sizeof(*infobuf) + param_len + value_len; | |
580 | ||
581 | #ifdef DEBUG | |
582 | info_len += 12; | |
583 | #endif | |
584 | infobuf = kmalloc(info_len, GFP_KERNEL); | |
585 | if (!infobuf) | |
586 | return -ENOMEM; | |
587 | ||
588 | #ifdef DEBUG | |
589 | info_len -= 12; | |
590 | /* extra 12 bytes are for padding (debug output) */ | |
591 | memset(infobuf, 0xCC, info_len + 12); | |
592 | #endif | |
593 | ||
594 | if (value_type == 2) | |
595 | devdbg(dev, "setting config parameter: %s, value: %s", | |
596 | param, (u8 *)value); | |
597 | else | |
598 | devdbg(dev, "setting config parameter: %s, value: %d", | |
599 | param, *(u32 *)value); | |
600 | ||
461b3f2a JK |
601 | infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); |
602 | infobuf->name_length = cpu_to_le32(param_len); | |
603 | infobuf->type = cpu_to_le32(value_type); | |
604 | infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); | |
605 | infobuf->value_length = cpu_to_le32(value_len); | |
bf164cc0 JK |
606 | |
607 | /* simple string to unicode string conversion */ | |
608 | unibuf = (void *)infobuf + sizeof(*infobuf); | |
609 | for (i = 0; i < param_len / sizeof(__le16); i++) | |
610 | unibuf[i] = cpu_to_le16(param[i]); | |
611 | ||
612 | if (value_type == 2) { | |
613 | unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; | |
614 | for (i = 0; i < value_len / sizeof(__le16); i++) | |
615 | unibuf[i] = cpu_to_le16(((u8 *)value)[i]); | |
616 | } else { | |
617 | dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; | |
618 | *dst_value = cpu_to_le32(*(u32 *)value); | |
619 | } | |
620 | ||
621 | #ifdef DEBUG | |
622 | devdbg(dev, "info buffer (len: %d):", info_len); | |
623 | for (i = 0; i < info_len; i += 12) { | |
624 | u32 *tmp = (u32 *)((u8 *)infobuf + i); | |
625 | devdbg(dev, "%08X:%08X:%08X", | |
626 | cpu_to_be32(tmp[0]), | |
627 | cpu_to_be32(tmp[1]), | |
628 | cpu_to_be32(tmp[2])); | |
629 | } | |
630 | #endif | |
631 | ||
632 | ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER, | |
633 | infobuf, info_len); | |
634 | if (ret != 0) | |
635 | devdbg(dev, "setting rndis config paramater failed, %d.", ret); | |
636 | ||
637 | kfree(infobuf); | |
638 | return ret; | |
639 | } | |
640 | ||
641 | static int rndis_set_config_parameter_str(struct usbnet *dev, | |
642 | char *param, char *value) | |
643 | { | |
644 | return(rndis_set_config_parameter(dev, param, 2, value)); | |
645 | } | |
646 | ||
647 | /*static int rndis_set_config_parameter_u32(struct usbnet *dev, | |
648 | char *param, u32 value) | |
649 | { | |
650 | return(rndis_set_config_parameter(dev, param, 0, &value)); | |
651 | }*/ | |
652 | ||
653 | ||
654 | /* | |
655 | * data conversion functions | |
656 | */ | |
657 | static int level_to_qual(int level) | |
658 | { | |
659 | int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); | |
660 | return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; | |
661 | } | |
662 | ||
663 | ||
664 | static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq) | |
665 | { | |
666 | freq->e = 0; | |
667 | freq->i = 0; | |
668 | freq->flags = 0; | |
669 | ||
670 | /* see comment in wireless.h above the "struct iw_freq" | |
671 | * definition for an explanation of this if | |
672 | * NOTE: 1000000 is due to the kHz | |
673 | */ | |
674 | if (dsconfig > 1000000) { | |
675 | freq->m = dsconfig / 10; | |
676 | freq->e = 1; | |
677 | } else | |
678 | freq->m = dsconfig; | |
679 | ||
680 | /* convert from kHz to Hz */ | |
681 | freq->e += 3; | |
682 | } | |
683 | ||
684 | ||
685 | static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig) | |
686 | { | |
687 | if (freq->m < 1000 && freq->e == 0) { | |
9ee677c2 DK |
688 | if (freq->m >= 1 && freq->m <= 14) |
689 | *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000; | |
bf164cc0 JK |
690 | else |
691 | return -1; | |
692 | } else { | |
693 | int i; | |
694 | *dsconfig = freq->m; | |
695 | for (i = freq->e; i > 0; i--) | |
696 | *dsconfig *= 10; | |
697 | *dsconfig /= 1000; | |
698 | } | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
703 | ||
704 | /* | |
705 | * common functions | |
706 | */ | |
707 | static int | |
708 | add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index); | |
709 | ||
1e41e1d2 | 710 | static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 JK |
711 | { |
712 | int ret, len; | |
713 | ||
714 | len = sizeof(*ssid); | |
715 | ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len); | |
716 | ||
717 | if (ret != 0) | |
461b3f2a | 718 | ssid->length = 0; |
bf164cc0 JK |
719 | |
720 | #ifdef DEBUG | |
721 | { | |
722 | unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1]; | |
723 | ||
461b3f2a JK |
724 | memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length)); |
725 | tmp[le32_to_cpu(ssid->length)] = 0; | |
bf164cc0 JK |
726 | devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret); |
727 | } | |
728 | #endif | |
729 | return ret; | |
730 | } | |
731 | ||
732 | ||
1e41e1d2 | 733 | static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
bf164cc0 JK |
734 | { |
735 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
736 | int ret; | |
737 | ||
738 | ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid)); | |
739 | if (ret == 0) { | |
740 | memcpy(&priv->essid, ssid, sizeof(priv->essid)); | |
741 | priv->radio_on = 1; | |
742 | devdbg(usbdev, "set_essid: radio_on = 1"); | |
743 | } | |
744 | ||
745 | return ret; | |
746 | } | |
747 | ||
748 | ||
749 | static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) | |
750 | { | |
751 | int ret, len; | |
752 | ||
753 | len = ETH_ALEN; | |
754 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len); | |
755 | ||
756 | if (ret != 0) | |
757 | memset(bssid, 0, ETH_ALEN); | |
758 | ||
759 | return ret; | |
760 | } | |
761 | ||
4364623c SA |
762 | static int get_association_info(struct usbnet *usbdev, |
763 | struct ndis_80211_assoc_info *info, int len) | |
764 | { | |
765 | return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, | |
766 | info, &len); | |
767 | } | |
bf164cc0 JK |
768 | |
769 | static int is_associated(struct usbnet *usbdev) | |
770 | { | |
771 | u8 bssid[ETH_ALEN]; | |
772 | int ret; | |
773 | ||
774 | ret = get_bssid(usbdev, bssid); | |
775 | ||
776 | return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0); | |
777 | } | |
778 | ||
779 | ||
780 | static int disassociate(struct usbnet *usbdev, int reset_ssid) | |
781 | { | |
782 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1e41e1d2 | 783 | struct ndis_80211_ssid ssid; |
bf164cc0 JK |
784 | int i, ret = 0; |
785 | ||
786 | if (priv->radio_on) { | |
787 | ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0); | |
788 | if (ret == 0) { | |
789 | priv->radio_on = 0; | |
790 | devdbg(usbdev, "disassociate: radio_on = 0"); | |
791 | ||
792 | if (reset_ssid) | |
793 | msleep(100); | |
794 | } | |
795 | } | |
796 | ||
797 | /* disassociate causes radio to be turned off; if reset_ssid | |
798 | * is given, set random ssid to enable radio */ | |
799 | if (reset_ssid) { | |
461b3f2a JK |
800 | ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
801 | get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); | |
802 | ssid.essid[0] = 0x1; | |
803 | ssid.essid[1] = 0xff; | |
804 | for (i = 2; i < sizeof(ssid.essid); i++) | |
805 | ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); | |
bf164cc0 JK |
806 | ret = set_essid(usbdev, &ssid); |
807 | } | |
808 | return ret; | |
809 | } | |
810 | ||
811 | ||
812 | static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg) | |
813 | { | |
814 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
815 | __le32 tmp; | |
816 | int auth_mode, ret; | |
817 | ||
818 | devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x " | |
819 | "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt); | |
820 | ||
821 | if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) { | |
822 | if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X) | |
1e41e1d2 | 823 | auth_mode = ndis_80211_auth_wpa2; |
bf164cc0 | 824 | else |
1e41e1d2 | 825 | auth_mode = ndis_80211_auth_wpa2_psk; |
bf164cc0 JK |
826 | } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) { |
827 | if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X) | |
1e41e1d2 | 828 | auth_mode = ndis_80211_auth_wpa; |
bf164cc0 | 829 | else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK) |
1e41e1d2 | 830 | auth_mode = ndis_80211_auth_wpa_psk; |
bf164cc0 | 831 | else |
1e41e1d2 | 832 | auth_mode = ndis_80211_auth_wpa_none; |
bf164cc0 JK |
833 | } else if (authalg & IW_AUTH_ALG_SHARED_KEY) { |
834 | if (authalg & IW_AUTH_ALG_OPEN_SYSTEM) | |
1e41e1d2 | 835 | auth_mode = ndis_80211_auth_auto_switch; |
bf164cc0 | 836 | else |
1e41e1d2 | 837 | auth_mode = ndis_80211_auth_shared; |
bf164cc0 | 838 | } else |
1e41e1d2 | 839 | auth_mode = ndis_80211_auth_open; |
bf164cc0 JK |
840 | |
841 | tmp = cpu_to_le32(auth_mode); | |
842 | ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, | |
843 | sizeof(tmp)); | |
844 | if (ret != 0) { | |
845 | devwarn(usbdev, "setting auth mode failed (%08X)", ret); | |
846 | return ret; | |
847 | } | |
848 | ||
849 | priv->wpa_version = wpa_version; | |
850 | priv->wpa_authalg = authalg; | |
851 | return 0; | |
852 | } | |
853 | ||
854 | ||
855 | static int set_priv_filter(struct usbnet *usbdev) | |
856 | { | |
857 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
858 | __le32 tmp; | |
859 | ||
860 | devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version); | |
861 | ||
862 | if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 || | |
863 | priv->wpa_version & IW_AUTH_WPA_VERSION_WPA) | |
1e41e1d2 | 864 | tmp = cpu_to_le32(ndis_80211_priv_8021x_wep); |
bf164cc0 | 865 | else |
1e41e1d2 | 866 | tmp = cpu_to_le32(ndis_80211_priv_accept_all); |
bf164cc0 JK |
867 | |
868 | return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp, | |
869 | sizeof(tmp)); | |
870 | } | |
871 | ||
872 | ||
873 | static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) | |
874 | { | |
875 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
876 | __le32 tmp; | |
877 | int encr_mode, ret; | |
878 | ||
879 | devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x", | |
880 | pairwise, | |
881 | groupwise); | |
882 | ||
883 | if (pairwise & IW_AUTH_CIPHER_CCMP) | |
1e41e1d2 | 884 | encr_mode = ndis_80211_encr_ccmp_enabled; |
bf164cc0 | 885 | else if (pairwise & IW_AUTH_CIPHER_TKIP) |
1e41e1d2 | 886 | encr_mode = ndis_80211_encr_tkip_enabled; |
bf164cc0 JK |
887 | else if (pairwise & |
888 | (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104)) | |
1e41e1d2 | 889 | encr_mode = ndis_80211_encr_wep_enabled; |
bf164cc0 | 890 | else if (groupwise & IW_AUTH_CIPHER_CCMP) |
1e41e1d2 | 891 | encr_mode = ndis_80211_encr_ccmp_enabled; |
bf164cc0 | 892 | else if (groupwise & IW_AUTH_CIPHER_TKIP) |
1e41e1d2 | 893 | encr_mode = ndis_80211_encr_tkip_enabled; |
bf164cc0 | 894 | else |
1e41e1d2 | 895 | encr_mode = ndis_80211_encr_disabled; |
bf164cc0 JK |
896 | |
897 | tmp = cpu_to_le32(encr_mode); | |
898 | ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, | |
899 | sizeof(tmp)); | |
900 | if (ret != 0) { | |
901 | devwarn(usbdev, "setting encr mode failed (%08X)", ret); | |
902 | return ret; | |
903 | } | |
904 | ||
905 | priv->wpa_cipher_pair = pairwise; | |
906 | priv->wpa_cipher_group = groupwise; | |
907 | return 0; | |
908 | } | |
909 | ||
910 | ||
911 | static int set_assoc_params(struct usbnet *usbdev) | |
912 | { | |
913 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
914 | ||
915 | set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg); | |
916 | set_priv_filter(usbdev); | |
917 | set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group); | |
918 | ||
919 | return 0; | |
920 | } | |
921 | ||
922 | ||
923 | static int set_infra_mode(struct usbnet *usbdev, int mode) | |
924 | { | |
925 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
926 | __le32 tmp; | |
927 | int ret, i; | |
928 | ||
929 | devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode); | |
930 | ||
931 | tmp = cpu_to_le32(mode); | |
932 | ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, | |
933 | sizeof(tmp)); | |
934 | if (ret != 0) { | |
935 | devwarn(usbdev, "setting infra mode failed (%08X)", ret); | |
936 | return ret; | |
937 | } | |
938 | ||
939 | /* NDIS drivers clear keys when infrastructure mode is | |
940 | * changed. But Linux tools assume otherwise. So set the | |
941 | * keys */ | |
942 | if (priv->wpa_keymgmt == 0 || | |
943 | priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) { | |
944 | for (i = 0; i < 4; i++) { | |
945 | if (priv->encr_key_len[i] > 0) | |
946 | add_wep_key(usbdev, priv->encr_keys[i], | |
947 | priv->encr_key_len[i], i); | |
948 | } | |
949 | } | |
950 | ||
951 | priv->infra_mode = mode; | |
952 | return 0; | |
953 | } | |
954 | ||
955 | ||
956 | static void set_default_iw_params(struct usbnet *usbdev) | |
957 | { | |
958 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
959 | ||
960 | priv->wpa_keymgmt = 0; | |
961 | priv->wpa_version = 0; | |
962 | ||
1e41e1d2 | 963 | set_infra_mode(usbdev, ndis_80211_infra_infra); |
bf164cc0 JK |
964 | set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, |
965 | IW_AUTH_ALG_OPEN_SYSTEM); | |
966 | set_priv_filter(usbdev); | |
967 | set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE); | |
968 | } | |
969 | ||
970 | ||
971 | static int deauthenticate(struct usbnet *usbdev) | |
972 | { | |
973 | int ret; | |
974 | ||
975 | ret = disassociate(usbdev, 1); | |
976 | set_default_iw_params(usbdev); | |
977 | return ret; | |
978 | } | |
979 | ||
980 | ||
981 | /* index must be 0 - N, as per NDIS */ | |
982 | static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index) | |
983 | { | |
984 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1e41e1d2 | 985 | struct ndis_80211_wep_key ndis_key; |
bf164cc0 JK |
986 | int ret; |
987 | ||
988 | if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4) | |
989 | return -EINVAL; | |
990 | ||
991 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
992 | ||
461b3f2a JK |
993 | ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
994 | ndis_key.length = cpu_to_le32(key_len); | |
995 | ndis_key.index = cpu_to_le32(index); | |
996 | memcpy(&ndis_key.material, key, key_len); | |
bf164cc0 JK |
997 | |
998 | if (index == priv->encr_tx_key_index) { | |
461b3f2a | 999 | ndis_key.index |= cpu_to_le32(1 << 31); |
bf164cc0 JK |
1000 | ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104, |
1001 | IW_AUTH_CIPHER_NONE); | |
1002 | if (ret) | |
1003 | devwarn(usbdev, "encryption couldn't be enabled (%08X)", | |
1004 | ret); | |
1005 | } | |
1006 | ||
1007 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key, | |
1008 | sizeof(ndis_key)); | |
1009 | if (ret != 0) { | |
1010 | devwarn(usbdev, "adding encryption key %d failed (%08X)", | |
1011 | index+1, ret); | |
1012 | return ret; | |
1013 | } | |
1014 | ||
1015 | priv->encr_key_len[index] = key_len; | |
1016 | memcpy(&priv->encr_keys[index], key, key_len); | |
1017 | ||
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | ||
1022 | /* remove_key is for both wep and wpa */ | |
1023 | static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN]) | |
1024 | { | |
1025 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1e41e1d2 | 1026 | struct ndis_80211_remove_key remove_key; |
bf164cc0 JK |
1027 | __le32 keyindex; |
1028 | int ret; | |
1029 | ||
1030 | if (priv->encr_key_len[index] == 0) | |
1031 | return 0; | |
1032 | ||
1033 | priv->encr_key_len[index] = 0; | |
1034 | memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); | |
1035 | ||
1036 | if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP || | |
1037 | priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP || | |
1038 | priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP || | |
1039 | priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) { | |
461b3f2a JK |
1040 | remove_key.size = cpu_to_le32(sizeof(remove_key)); |
1041 | remove_key.index = cpu_to_le32(index); | |
bf164cc0 JK |
1042 | if (bssid) { |
1043 | /* pairwise key */ | |
1044 | if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0) | |
461b3f2a JK |
1045 | remove_key.index |= cpu_to_le32(1 << 30); |
1046 | memcpy(remove_key.bssid, bssid, | |
1047 | sizeof(remove_key.bssid)); | |
bf164cc0 | 1048 | } else |
461b3f2a JK |
1049 | memset(remove_key.bssid, 0xff, |
1050 | sizeof(remove_key.bssid)); | |
bf164cc0 JK |
1051 | |
1052 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key, | |
1053 | sizeof(remove_key)); | |
1054 | if (ret != 0) | |
1055 | return ret; | |
1056 | } else { | |
1057 | keyindex = cpu_to_le32(index); | |
1058 | ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex, | |
1059 | sizeof(keyindex)); | |
1060 | if (ret != 0) { | |
1061 | devwarn(usbdev, | |
1062 | "removing encryption key %d failed (%08X)", | |
1063 | index, ret); | |
1064 | return ret; | |
1065 | } | |
1066 | } | |
1067 | ||
1068 | /* if it is transmit key, disable encryption */ | |
1069 | if (index == priv->encr_tx_key_index) | |
1070 | set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE); | |
1071 | ||
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | ||
1076 | static void set_multicast_list(struct usbnet *usbdev) | |
1077 | { | |
1078 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); | |
1079 | struct dev_mc_list *mclist; | |
1080 | __le32 filter; | |
1081 | int ret, i, size; | |
1082 | char *buf; | |
1083 | ||
1084 | filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; | |
1085 | ||
1086 | if (usbdev->net->flags & IFF_PROMISC) { | |
1087 | filter |= RNDIS_PACKET_TYPE_PROMISCUOUS | | |
1088 | RNDIS_PACKET_TYPE_ALL_LOCAL; | |
1089 | } else if (usbdev->net->flags & IFF_ALLMULTI || | |
1090 | usbdev->net->mc_count > priv->multicast_size) { | |
1091 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1092 | } else if (usbdev->net->mc_count > 0) { | |
1093 | size = min(priv->multicast_size, usbdev->net->mc_count); | |
1094 | buf = kmalloc(size * ETH_ALEN, GFP_KERNEL); | |
1095 | if (!buf) { | |
1096 | devwarn(usbdev, | |
1097 | "couldn't alloc %d bytes of memory", | |
1098 | size * ETH_ALEN); | |
1099 | return; | |
1100 | } | |
1101 | ||
1102 | mclist = usbdev->net->mc_list; | |
1103 | for (i = 0; i < size && mclist; mclist = mclist->next) { | |
1104 | if (mclist->dmi_addrlen != ETH_ALEN) | |
1105 | continue; | |
1106 | ||
1107 | memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN); | |
1108 | i++; | |
1109 | } | |
1110 | ||
1111 | ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf, | |
1112 | i * ETH_ALEN); | |
1113 | if (ret == 0 && i > 0) | |
1114 | filter |= RNDIS_PACKET_TYPE_MULTICAST; | |
1115 | else | |
1116 | filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; | |
1117 | ||
1118 | devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d", | |
1119 | i, priv->multicast_size, ret); | |
1120 | ||
1121 | kfree(buf); | |
1122 | } | |
1123 | ||
1124 | ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, | |
1125 | sizeof(filter)); | |
1126 | if (ret < 0) { | |
1127 | devwarn(usbdev, "couldn't set packet filter: %08x", | |
1128 | le32_to_cpu(filter)); | |
1129 | } | |
1130 | ||
1131 | devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d", | |
1132 | le32_to_cpu(filter), ret); | |
1133 | } | |
1134 | ||
1135 | ||
964c1d41 JL |
1136 | /* |
1137 | * cfg80211 ops | |
1138 | */ | |
1139 | static int rndis_change_virtual_intf(struct wiphy *wiphy, int ifindex, | |
1140 | enum nl80211_iftype type, u32 *flags, | |
1141 | struct vif_params *params) | |
1142 | { | |
1143 | struct net_device *dev; | |
1144 | struct usbnet *usbdev; | |
1145 | int mode; | |
1146 | ||
1147 | /* we're under RTNL */ | |
1148 | dev = __dev_get_by_index(&init_net, ifindex); | |
1149 | if (!dev) | |
1150 | return -ENODEV; | |
1151 | usbdev = netdev_priv(dev); | |
1152 | ||
1153 | switch (type) { | |
1154 | case NL80211_IFTYPE_ADHOC: | |
1155 | mode = ndis_80211_infra_adhoc; | |
1156 | break; | |
1157 | case NL80211_IFTYPE_STATION: | |
1158 | mode = ndis_80211_infra_infra; | |
1159 | break; | |
1160 | default: | |
1161 | return -EINVAL; | |
1162 | } | |
1163 | ||
1164 | return set_infra_mode(usbdev, mode); | |
1165 | } | |
1166 | ||
bf164cc0 JK |
1167 | /* |
1168 | * wireless extension handlers | |
1169 | */ | |
1170 | ||
1171 | static int rndis_iw_commit(struct net_device *dev, | |
1172 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1173 | { | |
1174 | /* dummy op */ | |
1175 | return 0; | |
1176 | } | |
1177 | ||
1178 | ||
bf164cc0 JK |
1179 | static int rndis_iw_set_essid(struct net_device *dev, |
1180 | struct iw_request_info *info, union iwreq_data *wrqu, char *essid) | |
1181 | { | |
1e41e1d2 | 1182 | struct ndis_80211_ssid ssid; |
bf164cc0 | 1183 | int length = wrqu->essid.length; |
524ad0a7 | 1184 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1185 | |
1186 | devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'", | |
1187 | wrqu->essid.flags, wrqu->essid.length, essid); | |
1188 | ||
1189 | if (length > NDIS_802_11_LENGTH_SSID) | |
1190 | length = NDIS_802_11_LENGTH_SSID; | |
1191 | ||
461b3f2a | 1192 | ssid.length = cpu_to_le32(length); |
bf164cc0 | 1193 | if (length > 0) |
461b3f2a | 1194 | memcpy(ssid.essid, essid, length); |
bf164cc0 | 1195 | else |
461b3f2a | 1196 | memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID); |
bf164cc0 JK |
1197 | |
1198 | set_assoc_params(usbdev); | |
1199 | ||
1200 | if (!wrqu->essid.flags || length == 0) | |
1201 | return disassociate(usbdev, 1); | |
1202 | else | |
1203 | return set_essid(usbdev, &ssid); | |
1204 | } | |
1205 | ||
1206 | ||
1207 | static int rndis_iw_get_essid(struct net_device *dev, | |
1208 | struct iw_request_info *info, union iwreq_data *wrqu, char *essid) | |
1209 | { | |
1e41e1d2 | 1210 | struct ndis_80211_ssid ssid; |
524ad0a7 | 1211 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1212 | int ret; |
1213 | ||
1214 | ret = get_essid(usbdev, &ssid); | |
1215 | ||
461b3f2a | 1216 | if (ret == 0 && le32_to_cpu(ssid.length) > 0) { |
bf164cc0 | 1217 | wrqu->essid.flags = 1; |
461b3f2a JK |
1218 | wrqu->essid.length = le32_to_cpu(ssid.length); |
1219 | memcpy(essid, ssid.essid, wrqu->essid.length); | |
bf164cc0 JK |
1220 | essid[wrqu->essid.length] = 0; |
1221 | } else { | |
1222 | memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID)); | |
1223 | wrqu->essid.flags = 0; | |
1224 | wrqu->essid.length = 0; | |
1225 | } | |
1226 | devdbg(usbdev, "SIOCGIWESSID: %s", essid); | |
1227 | return ret; | |
1228 | } | |
1229 | ||
1230 | ||
1231 | static int rndis_iw_get_bssid(struct net_device *dev, | |
1232 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1233 | { | |
524ad0a7 | 1234 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1235 | unsigned char bssid[ETH_ALEN]; |
1236 | int ret; | |
bf164cc0 JK |
1237 | |
1238 | ret = get_bssid(usbdev, bssid); | |
1239 | ||
1240 | if (ret == 0) | |
e174961c | 1241 | devdbg(usbdev, "SIOCGIWAP: %pM", bssid); |
bf164cc0 JK |
1242 | else |
1243 | devdbg(usbdev, "SIOCGIWAP: <not associated>"); | |
1244 | ||
1245 | wrqu->ap_addr.sa_family = ARPHRD_ETHER; | |
1246 | memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN); | |
1247 | ||
1248 | return ret; | |
1249 | } | |
1250 | ||
1251 | ||
1252 | static int rndis_iw_set_bssid(struct net_device *dev, | |
1253 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1254 | { | |
524ad0a7 | 1255 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 | 1256 | u8 *bssid = (u8 *)wrqu->ap_addr.sa_data; |
bf164cc0 JK |
1257 | int ret; |
1258 | ||
e174961c | 1259 | devdbg(usbdev, "SIOCSIWAP: %pM", bssid); |
bf164cc0 JK |
1260 | |
1261 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); | |
1262 | ||
1263 | /* user apps may set ap's mac address, which is not required; | |
1264 | * they may fail to work if this function fails, so return | |
1265 | * success */ | |
1266 | if (ret) | |
1267 | devwarn(usbdev, "setting AP mac address failed (%08X)", ret); | |
1268 | ||
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | ||
1273 | static int rndis_iw_set_auth(struct net_device *dev, | |
1274 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1275 | { | |
1276 | struct iw_param *p = &wrqu->param; | |
524ad0a7 | 1277 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1278 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1279 | int ret = -ENOTSUPP; | |
1280 | ||
1281 | switch (p->flags & IW_AUTH_INDEX) { | |
1282 | case IW_AUTH_WPA_VERSION: | |
1283 | devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value); | |
1284 | priv->wpa_version = p->value; | |
1285 | ret = 0; | |
1286 | break; | |
1287 | ||
1288 | case IW_AUTH_CIPHER_PAIRWISE: | |
1289 | devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value); | |
1290 | priv->wpa_cipher_pair = p->value; | |
1291 | ret = 0; | |
1292 | break; | |
1293 | ||
1294 | case IW_AUTH_CIPHER_GROUP: | |
1295 | devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value); | |
1296 | priv->wpa_cipher_group = p->value; | |
1297 | ret = 0; | |
1298 | break; | |
1299 | ||
1300 | case IW_AUTH_KEY_MGMT: | |
1301 | devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value); | |
1302 | priv->wpa_keymgmt = p->value; | |
1303 | ret = 0; | |
1304 | break; | |
1305 | ||
1306 | case IW_AUTH_TKIP_COUNTERMEASURES: | |
1307 | devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x", | |
1308 | p->value); | |
1309 | ret = 0; | |
1310 | break; | |
1311 | ||
1312 | case IW_AUTH_DROP_UNENCRYPTED: | |
1313 | devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value); | |
1314 | ret = 0; | |
1315 | break; | |
1316 | ||
1317 | case IW_AUTH_80211_AUTH_ALG: | |
1318 | devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value); | |
1319 | priv->wpa_authalg = p->value; | |
1320 | ret = 0; | |
1321 | break; | |
1322 | ||
1323 | case IW_AUTH_WPA_ENABLED: | |
1324 | devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value); | |
1325 | if (wrqu->param.value) | |
1326 | deauthenticate(usbdev); | |
1327 | ret = 0; | |
1328 | break; | |
1329 | ||
1330 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: | |
1331 | devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x", | |
1332 | p->value); | |
1333 | ret = 0; | |
1334 | break; | |
1335 | ||
1336 | case IW_AUTH_ROAMING_CONTROL: | |
1337 | devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value); | |
1338 | ret = 0; | |
1339 | break; | |
1340 | ||
1341 | case IW_AUTH_PRIVACY_INVOKED: | |
1342 | devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d", | |
1343 | wrqu->param.flags & IW_AUTH_INDEX); | |
1344 | return -EOPNOTSUPP; | |
1345 | ||
1346 | default: | |
1347 | devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x", | |
1348 | p->flags & IW_AUTH_INDEX, p->value); | |
1349 | } | |
1350 | return ret; | |
1351 | } | |
1352 | ||
1353 | ||
1354 | static int rndis_iw_get_auth(struct net_device *dev, | |
1355 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1356 | { | |
1357 | struct iw_param *p = &wrqu->param; | |
524ad0a7 | 1358 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1359 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1360 | ||
1361 | switch (p->flags & IW_AUTH_INDEX) { | |
1362 | case IW_AUTH_WPA_VERSION: | |
1363 | p->value = priv->wpa_version; | |
1364 | break; | |
1365 | case IW_AUTH_CIPHER_PAIRWISE: | |
1366 | p->value = priv->wpa_cipher_pair; | |
1367 | break; | |
1368 | case IW_AUTH_CIPHER_GROUP: | |
1369 | p->value = priv->wpa_cipher_group; | |
1370 | break; | |
1371 | case IW_AUTH_KEY_MGMT: | |
1372 | p->value = priv->wpa_keymgmt; | |
1373 | break; | |
1374 | case IW_AUTH_80211_AUTH_ALG: | |
1375 | p->value = priv->wpa_authalg; | |
1376 | break; | |
1377 | default: | |
1378 | devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d", | |
1379 | wrqu->param.flags & IW_AUTH_INDEX); | |
1380 | return -EOPNOTSUPP; | |
1381 | } | |
1382 | return 0; | |
1383 | } | |
1384 | ||
1385 | ||
bf164cc0 JK |
1386 | static int rndis_iw_set_encode(struct net_device *dev, |
1387 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1388 | { | |
524ad0a7 | 1389 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1390 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1391 | int ret, index, key_len; | |
1392 | u8 *key; | |
1393 | ||
1394 | index = (wrqu->encoding.flags & IW_ENCODE_INDEX); | |
1395 | ||
1396 | /* iwconfig gives index as 1 - N */ | |
1397 | if (index > 0) | |
1398 | index--; | |
1399 | else | |
1400 | index = priv->encr_tx_key_index; | |
1401 | ||
1402 | if (index < 0 || index >= 4) { | |
1403 | devwarn(usbdev, "encryption index out of range (%u)", index); | |
1404 | return -EINVAL; | |
1405 | } | |
1406 | ||
1407 | /* remove key if disabled */ | |
1408 | if (wrqu->data.flags & IW_ENCODE_DISABLED) { | |
1409 | if (remove_key(usbdev, index, NULL)) | |
1410 | return -EINVAL; | |
1411 | else | |
1412 | return 0; | |
1413 | } | |
1414 | ||
1415 | /* global encryption state (for all keys) */ | |
1416 | if (wrqu->data.flags & IW_ENCODE_OPEN) | |
1417 | ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, | |
1418 | IW_AUTH_ALG_OPEN_SYSTEM); | |
1419 | else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/ | |
1420 | ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, | |
1421 | IW_AUTH_ALG_SHARED_KEY); | |
1422 | if (ret != 0) | |
1423 | return ret; | |
1424 | ||
1425 | if (wrqu->data.length > 0) { | |
1426 | key_len = wrqu->data.length; | |
1427 | key = extra; | |
1428 | } else { | |
1429 | /* must be set as tx key */ | |
1430 | if (priv->encr_key_len[index] == 0) | |
1431 | return -EINVAL; | |
1432 | key_len = priv->encr_key_len[index]; | |
1433 | key = priv->encr_keys[index]; | |
1434 | priv->encr_tx_key_index = index; | |
1435 | } | |
1436 | ||
1437 | if (add_wep_key(usbdev, key, key_len, index) != 0) | |
1438 | return -EINVAL; | |
1439 | ||
1440 | if (index == priv->encr_tx_key_index) | |
1441 | /* ndis drivers want essid to be set after setting encr */ | |
1442 | set_essid(usbdev, &priv->essid); | |
1443 | ||
1444 | return 0; | |
1445 | } | |
1446 | ||
1447 | ||
1448 | static int rndis_iw_set_encode_ext(struct net_device *dev, | |
1449 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1450 | { | |
1451 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
524ad0a7 | 1452 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 | 1453 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1e41e1d2 | 1454 | struct ndis_80211_key ndis_key; |
cdb2a9fe | 1455 | int keyidx, ret; |
bf164cc0 JK |
1456 | u8 *addr; |
1457 | ||
1458 | keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX; | |
1459 | ||
1460 | /* iwconfig gives index as 1 - N */ | |
1461 | if (keyidx) | |
1462 | keyidx--; | |
1463 | else | |
1464 | keyidx = priv->encr_tx_key_index; | |
1465 | ||
1466 | if (keyidx < 0 || keyidx >= 4) | |
1467 | return -EINVAL; | |
1468 | ||
1469 | if (ext->alg == WPA_ALG_WEP) { | |
1470 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) | |
1471 | priv->encr_tx_key_index = keyidx; | |
1472 | return add_wep_key(usbdev, ext->key, ext->key_len, keyidx); | |
1473 | } | |
1474 | ||
1475 | if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) || | |
1476 | ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0) | |
1477 | return remove_key(usbdev, keyidx, NULL); | |
1478 | ||
461b3f2a | 1479 | if (ext->key_len > sizeof(ndis_key.material)) |
bf164cc0 JK |
1480 | return -1; |
1481 | ||
1482 | memset(&ndis_key, 0, sizeof(ndis_key)); | |
1483 | ||
461b3f2a JK |
1484 | ndis_key.size = cpu_to_le32(sizeof(ndis_key) - |
1485 | sizeof(ndis_key.material) + ext->key_len); | |
1486 | ndis_key.length = cpu_to_le32(ext->key_len); | |
1487 | ndis_key.index = cpu_to_le32(keyidx); | |
bf164cc0 JK |
1488 | |
1489 | if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { | |
461b3f2a JK |
1490 | memcpy(ndis_key.rsc, ext->rx_seq, 6); |
1491 | ndis_key.index |= cpu_to_le32(1 << 29); | |
bf164cc0 JK |
1492 | } |
1493 | ||
1494 | addr = ext->addr.sa_data; | |
1495 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { | |
1496 | /* group key */ | |
1e41e1d2 | 1497 | if (priv->infra_mode == ndis_80211_infra_adhoc) |
461b3f2a | 1498 | memset(ndis_key.bssid, 0xff, ETH_ALEN); |
bf164cc0 | 1499 | else |
461b3f2a | 1500 | get_bssid(usbdev, ndis_key.bssid); |
bf164cc0 JK |
1501 | } else { |
1502 | /* pairwise key */ | |
461b3f2a JK |
1503 | ndis_key.index |= cpu_to_le32(1 << 30); |
1504 | memcpy(ndis_key.bssid, addr, ETH_ALEN); | |
bf164cc0 JK |
1505 | } |
1506 | ||
1507 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) | |
461b3f2a | 1508 | ndis_key.index |= cpu_to_le32(1 << 31); |
bf164cc0 JK |
1509 | |
1510 | if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) { | |
1511 | /* wpa_supplicant gives us the Michael MIC RX/TX keys in | |
1512 | * different order than NDIS spec, so swap the order here. */ | |
461b3f2a JK |
1513 | memcpy(ndis_key.material, ext->key, 16); |
1514 | memcpy(ndis_key.material + 16, ext->key + 24, 8); | |
1515 | memcpy(ndis_key.material + 24, ext->key + 16, 8); | |
bf164cc0 | 1516 | } else |
461b3f2a | 1517 | memcpy(ndis_key.material, ext->key, ext->key_len); |
bf164cc0 JK |
1518 | |
1519 | ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key, | |
461b3f2a | 1520 | le32_to_cpu(ndis_key.size)); |
bf164cc0 JK |
1521 | devdbg(usbdev, "SIOCSIWENCODEEXT: OID_802_11_ADD_KEY -> %08X", ret); |
1522 | if (ret != 0) | |
1523 | return ret; | |
1524 | ||
1525 | priv->encr_key_len[keyidx] = ext->key_len; | |
461b3f2a | 1526 | memcpy(&priv->encr_keys[keyidx], ndis_key.material, ext->key_len); |
bf164cc0 JK |
1527 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) |
1528 | priv->encr_tx_key_index = keyidx; | |
1529 | ||
1530 | return 0; | |
1531 | } | |
1532 | ||
1533 | ||
1534 | static int rndis_iw_set_scan(struct net_device *dev, | |
1535 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1536 | { | |
524ad0a7 | 1537 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1538 | union iwreq_data evt; |
1539 | int ret = -EINVAL; | |
1540 | __le32 tmp; | |
1541 | ||
1542 | devdbg(usbdev, "SIOCSIWSCAN"); | |
1543 | ||
9930ccee | 1544 | if (wrqu->data.flags == 0) { |
35c26c2c | 1545 | tmp = cpu_to_le32(1); |
bf164cc0 JK |
1546 | ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, |
1547 | sizeof(tmp)); | |
1548 | evt.data.flags = 0; | |
1549 | evt.data.length = 0; | |
1550 | wireless_send_event(dev, SIOCGIWSCAN, &evt, NULL); | |
1551 | } | |
1552 | return ret; | |
1553 | } | |
1554 | ||
1555 | ||
1556 | static char *rndis_translate_scan(struct net_device *dev, | |
ccc58057 DM |
1557 | struct iw_request_info *info, char *cev, |
1558 | char *end_buf, | |
1559 | struct ndis_80211_bssid_ex *bssid) | |
bf164cc0 | 1560 | { |
524ad0a7 | 1561 | struct usbnet *usbdev = netdev_priv(dev); |
2c706002 | 1562 | u8 *ie; |
bf164cc0 JK |
1563 | char *current_val; |
1564 | int bssid_len, ie_len, i; | |
1565 | u32 beacon, atim; | |
1566 | struct iw_event iwe; | |
1567 | unsigned char sbuf[32]; | |
bf164cc0 | 1568 | |
461b3f2a | 1569 | bssid_len = le32_to_cpu(bssid->length); |
bf164cc0 | 1570 | |
e174961c | 1571 | devdbg(usbdev, "BSSID %pM", bssid->mac); |
bf164cc0 JK |
1572 | iwe.cmd = SIOCGIWAP; |
1573 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
461b3f2a | 1574 | memcpy(iwe.u.ap_addr.sa_data, bssid->mac, ETH_ALEN); |
ccc58057 | 1575 | cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_ADDR_LEN); |
bf164cc0 | 1576 | |
461b3f2a JK |
1577 | devdbg(usbdev, "SSID(%d) %s", le32_to_cpu(bssid->ssid.length), |
1578 | bssid->ssid.essid); | |
bf164cc0 | 1579 | iwe.cmd = SIOCGIWESSID; |
461b3f2a | 1580 | iwe.u.essid.length = le32_to_cpu(bssid->ssid.length); |
bf164cc0 | 1581 | iwe.u.essid.flags = 1; |
ccc58057 | 1582 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, bssid->ssid.essid); |
bf164cc0 | 1583 | |
461b3f2a | 1584 | devdbg(usbdev, "MODE %d", le32_to_cpu(bssid->net_infra)); |
bf164cc0 | 1585 | iwe.cmd = SIOCGIWMODE; |
461b3f2a | 1586 | switch (le32_to_cpu(bssid->net_infra)) { |
1e41e1d2 | 1587 | case ndis_80211_infra_adhoc: |
bf164cc0 JK |
1588 | iwe.u.mode = IW_MODE_ADHOC; |
1589 | break; | |
1e41e1d2 | 1590 | case ndis_80211_infra_infra: |
bf164cc0 JK |
1591 | iwe.u.mode = IW_MODE_INFRA; |
1592 | break; | |
1e41e1d2 | 1593 | /*case ndis_80211_infra_auto_unknown:*/ |
bf164cc0 JK |
1594 | default: |
1595 | iwe.u.mode = IW_MODE_AUTO; | |
1596 | break; | |
1597 | } | |
ccc58057 | 1598 | cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_UINT_LEN); |
bf164cc0 | 1599 | |
461b3f2a | 1600 | devdbg(usbdev, "FREQ %d kHz", le32_to_cpu(bssid->config.ds_config)); |
bf164cc0 | 1601 | iwe.cmd = SIOCGIWFREQ; |
461b3f2a | 1602 | dsconfig_to_freq(le32_to_cpu(bssid->config.ds_config), &iwe.u.freq); |
ccc58057 | 1603 | cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_FREQ_LEN); |
bf164cc0 | 1604 | |
461b3f2a | 1605 | devdbg(usbdev, "QUAL %d", le32_to_cpu(bssid->rssi)); |
bf164cc0 | 1606 | iwe.cmd = IWEVQUAL; |
461b3f2a | 1607 | iwe.u.qual.qual = level_to_qual(le32_to_cpu(bssid->rssi)); |
4bd7f03e | 1608 | iwe.u.qual.level = level_to_qual(le32_to_cpu(bssid->rssi)); |
bf164cc0 JK |
1609 | iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED |
1610 | | IW_QUAL_LEVEL_UPDATED | |
1611 | | IW_QUAL_NOISE_INVALID; | |
ccc58057 | 1612 | cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_QUAL_LEN); |
bf164cc0 | 1613 | |
461b3f2a | 1614 | devdbg(usbdev, "ENCODE %d", le32_to_cpu(bssid->privacy)); |
bf164cc0 JK |
1615 | iwe.cmd = SIOCGIWENCODE; |
1616 | iwe.u.data.length = 0; | |
461b3f2a | 1617 | if (le32_to_cpu(bssid->privacy) == ndis_80211_priv_accept_all) |
bf164cc0 JK |
1618 | iwe.u.data.flags = IW_ENCODE_DISABLED; |
1619 | else | |
1620 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; | |
1621 | ||
ccc58057 | 1622 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL); |
bf164cc0 JK |
1623 | |
1624 | devdbg(usbdev, "RATES:"); | |
ccc58057 | 1625 | current_val = cev + iwe_stream_lcp_len(info); |
bf164cc0 | 1626 | iwe.cmd = SIOCGIWRATE; |
461b3f2a JK |
1627 | for (i = 0; i < sizeof(bssid->rates); i++) { |
1628 | if (bssid->rates[i] & 0x7f) { | |
bf164cc0 | 1629 | iwe.u.bitrate.value = |
461b3f2a | 1630 | ((bssid->rates[i] & 0x7f) * |
bf164cc0 JK |
1631 | 500000); |
1632 | devdbg(usbdev, " %d", iwe.u.bitrate.value); | |
ccc58057 | 1633 | current_val = iwe_stream_add_value(info, cev, |
bf164cc0 JK |
1634 | current_val, end_buf, &iwe, |
1635 | IW_EV_PARAM_LEN); | |
1636 | } | |
1637 | } | |
1638 | ||
ccc58057 | 1639 | if ((current_val - cev) > iwe_stream_lcp_len(info)) |
bf164cc0 JK |
1640 | cev = current_val; |
1641 | ||
461b3f2a | 1642 | beacon = le32_to_cpu(bssid->config.beacon_period); |
bf164cc0 JK |
1643 | devdbg(usbdev, "BCN_INT %d", beacon); |
1644 | iwe.cmd = IWEVCUSTOM; | |
1645 | snprintf(sbuf, sizeof(sbuf), "bcn_int=%d", beacon); | |
1646 | iwe.u.data.length = strlen(sbuf); | |
ccc58057 | 1647 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, sbuf); |
bf164cc0 | 1648 | |
461b3f2a | 1649 | atim = le32_to_cpu(bssid->config.atim_window); |
bf164cc0 JK |
1650 | devdbg(usbdev, "ATIM %d", atim); |
1651 | iwe.cmd = IWEVCUSTOM; | |
1652 | snprintf(sbuf, sizeof(sbuf), "atim=%u", atim); | |
1653 | iwe.u.data.length = strlen(sbuf); | |
ccc58057 | 1654 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, sbuf); |
bf164cc0 | 1655 | |
461b3f2a | 1656 | ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); |
bf164cc0 | 1657 | ie_len = min(bssid_len - (int)sizeof(*bssid), |
461b3f2a | 1658 | (int)le32_to_cpu(bssid->ie_length)); |
1e41e1d2 | 1659 | ie_len -= sizeof(struct ndis_80211_fixed_ies); |
2c706002 JB |
1660 | while (ie_len >= 2 && 2 + ie[1] <= ie_len) { |
1661 | if ((ie[0] == WLAN_EID_GENERIC && ie[1] >= 4 && | |
1662 | memcmp(ie + 2, "\x00\x50\xf2\x01", 4) == 0) || | |
1663 | ie[0] == WLAN_EID_RSN) { | |
bf164cc0 | 1664 | devdbg(usbdev, "IE: WPA%d", |
2c706002 | 1665 | (ie[0] == WLAN_EID_RSN) ? 2 : 1); |
bf164cc0 | 1666 | iwe.cmd = IWEVGENIE; |
2c706002 JB |
1667 | /* arbitrary cut-off at 64 */ |
1668 | iwe.u.data.length = min(ie[1] + 2, 64); | |
1669 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, ie); | |
bf164cc0 JK |
1670 | } |
1671 | ||
2c706002 JB |
1672 | ie_len -= 2 + ie[1]; |
1673 | ie += 2 + ie[1]; | |
bf164cc0 JK |
1674 | } |
1675 | ||
1676 | return cev; | |
1677 | } | |
1678 | ||
1679 | ||
1680 | static int rndis_iw_get_scan(struct net_device *dev, | |
1681 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1682 | { | |
524ad0a7 | 1683 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1684 | void *buf = NULL; |
1685 | char *cev = extra; | |
1e41e1d2 JK |
1686 | struct ndis_80211_bssid_list_ex *bssid_list; |
1687 | struct ndis_80211_bssid_ex *bssid; | |
bf164cc0 JK |
1688 | int ret = -EINVAL, len, count, bssid_len; |
1689 | ||
1690 | devdbg(usbdev, "SIOCGIWSCAN"); | |
1691 | ||
1692 | len = CONTROL_BUFFER_SIZE; | |
1693 | buf = kmalloc(len, GFP_KERNEL); | |
1694 | if (!buf) { | |
1695 | ret = -ENOMEM; | |
1696 | goto out; | |
1697 | } | |
1698 | ||
1699 | ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
1700 | ||
1701 | if (ret != 0) | |
1702 | goto out; | |
1703 | ||
1704 | bssid_list = buf; | |
461b3f2a JK |
1705 | bssid = bssid_list->bssid; |
1706 | bssid_len = le32_to_cpu(bssid->length); | |
1707 | count = le32_to_cpu(bssid_list->num_items); | |
bf164cc0 JK |
1708 | devdbg(usbdev, "SIOCGIWSCAN: %d BSSIDs found", count); |
1709 | ||
1710 | while (count && ((void *)bssid + bssid_len) <= (buf + len)) { | |
ccc58057 DM |
1711 | cev = rndis_translate_scan(dev, info, cev, |
1712 | extra + IW_SCAN_MAX_DATA, bssid); | |
bf164cc0 | 1713 | bssid = (void *)bssid + bssid_len; |
461b3f2a | 1714 | bssid_len = le32_to_cpu(bssid->length); |
bf164cc0 JK |
1715 | count--; |
1716 | } | |
1717 | ||
1718 | out: | |
1719 | wrqu->data.length = cev - extra; | |
1720 | wrqu->data.flags = 0; | |
1721 | kfree(buf); | |
1722 | return ret; | |
1723 | } | |
1724 | ||
1725 | ||
1726 | static int rndis_iw_set_genie(struct net_device *dev, | |
1727 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1728 | { | |
524ad0a7 | 1729 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1730 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1731 | int ret = 0; | |
1732 | ||
1733 | #ifdef DEBUG | |
1734 | int j; | |
1735 | u8 *gie = extra; | |
1736 | for (j = 0; j < wrqu->data.length; j += 8) | |
1737 | devdbg(usbdev, | |
1738 | "SIOCSIWGENIE %04x - " | |
1739 | "%02x %02x %02x %02x %02x %02x %02x %02x", j, | |
1740 | gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3], | |
1741 | gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]); | |
1742 | #endif | |
1743 | /* clear existing IEs */ | |
1744 | if (priv->wpa_ie_len) { | |
1745 | kfree(priv->wpa_ie); | |
1746 | priv->wpa_ie_len = 0; | |
1747 | } | |
1748 | ||
1749 | /* set new IEs */ | |
1750 | priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL); | |
1751 | if (priv->wpa_ie) { | |
1752 | priv->wpa_ie_len = wrqu->data.length; | |
1753 | memcpy(priv->wpa_ie, extra, priv->wpa_ie_len); | |
1754 | } else | |
1755 | ret = -ENOMEM; | |
1756 | return ret; | |
1757 | } | |
1758 | ||
1759 | ||
1760 | static int rndis_iw_get_genie(struct net_device *dev, | |
1761 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1762 | { | |
524ad0a7 | 1763 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1764 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1765 | ||
1766 | devdbg(usbdev, "SIOCGIWGENIE"); | |
1767 | ||
1768 | if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) { | |
1769 | wrqu->data.length = 0; | |
1770 | return 0; | |
1771 | } | |
1772 | ||
1773 | if (wrqu->data.length < priv->wpa_ie_len) | |
1774 | return -E2BIG; | |
1775 | ||
1776 | wrqu->data.length = priv->wpa_ie_len; | |
1777 | memcpy(extra, priv->wpa_ie, priv->wpa_ie_len); | |
1778 | ||
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | ||
1783 | static int rndis_iw_set_rts(struct net_device *dev, | |
1784 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1785 | { | |
524ad0a7 | 1786 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1787 | __le32 tmp; |
1788 | devdbg(usbdev, "SIOCSIWRTS"); | |
1789 | ||
1790 | tmp = cpu_to_le32(wrqu->rts.value); | |
1791 | return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, | |
1792 | sizeof(tmp)); | |
1793 | } | |
1794 | ||
1795 | ||
1796 | static int rndis_iw_get_rts(struct net_device *dev, | |
1797 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1798 | { | |
524ad0a7 | 1799 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1800 | __le32 tmp; |
1801 | int len, ret; | |
1802 | ||
1803 | len = sizeof(tmp); | |
1804 | ret = rndis_query_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, &len); | |
1805 | if (ret == 0) { | |
1806 | wrqu->rts.value = le32_to_cpu(tmp); | |
1807 | wrqu->rts.flags = 1; | |
1808 | wrqu->rts.disabled = 0; | |
1809 | } | |
1810 | ||
1811 | devdbg(usbdev, "SIOCGIWRTS: %d", wrqu->rts.value); | |
1812 | ||
1813 | return ret; | |
1814 | } | |
1815 | ||
1816 | ||
1817 | static int rndis_iw_set_frag(struct net_device *dev, | |
1818 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1819 | { | |
524ad0a7 | 1820 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1821 | __le32 tmp; |
1822 | ||
1823 | devdbg(usbdev, "SIOCSIWFRAG"); | |
1824 | ||
1825 | tmp = cpu_to_le32(wrqu->frag.value); | |
1826 | return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, | |
1827 | sizeof(tmp)); | |
1828 | } | |
1829 | ||
1830 | ||
1831 | static int rndis_iw_get_frag(struct net_device *dev, | |
1832 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1833 | { | |
524ad0a7 | 1834 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1835 | __le32 tmp; |
1836 | int len, ret; | |
1837 | ||
1838 | len = sizeof(tmp); | |
1839 | ret = rndis_query_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, | |
1840 | &len); | |
1841 | if (ret == 0) { | |
1842 | wrqu->frag.value = le32_to_cpu(tmp); | |
1843 | wrqu->frag.flags = 1; | |
1844 | wrqu->frag.disabled = 0; | |
1845 | } | |
1846 | devdbg(usbdev, "SIOCGIWFRAG: %d", wrqu->frag.value); | |
1847 | return ret; | |
1848 | } | |
1849 | ||
1850 | ||
1851 | static int rndis_iw_set_nick(struct net_device *dev, | |
1852 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1853 | { | |
524ad0a7 | 1854 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1855 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1856 | ||
1857 | devdbg(usbdev, "SIOCSIWNICK"); | |
1858 | ||
1859 | priv->nick_len = wrqu->data.length; | |
1860 | if (priv->nick_len > 32) | |
1861 | priv->nick_len = 32; | |
1862 | ||
1863 | memcpy(priv->nick, extra, priv->nick_len); | |
1864 | return 0; | |
1865 | } | |
1866 | ||
1867 | ||
1868 | static int rndis_iw_get_nick(struct net_device *dev, | |
1869 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1870 | { | |
524ad0a7 | 1871 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1872 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1873 | ||
1874 | wrqu->data.flags = 1; | |
1875 | wrqu->data.length = priv->nick_len; | |
1876 | memcpy(extra, priv->nick, priv->nick_len); | |
1877 | ||
1878 | devdbg(usbdev, "SIOCGIWNICK: '%s'", priv->nick); | |
1879 | ||
1880 | return 0; | |
1881 | } | |
1882 | ||
1883 | ||
1884 | static int rndis_iw_set_freq(struct net_device *dev, | |
1885 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1886 | { | |
524ad0a7 | 1887 | struct usbnet *usbdev = netdev_priv(dev); |
1e41e1d2 | 1888 | struct ndis_80211_conf config; |
bf164cc0 JK |
1889 | unsigned int dsconfig; |
1890 | int len, ret; | |
1891 | ||
1892 | /* this OID is valid only when not associated */ | |
1893 | if (is_associated(usbdev)) | |
1894 | return 0; | |
1895 | ||
1896 | dsconfig = 0; | |
1897 | if (freq_to_dsconfig(&wrqu->freq, &dsconfig)) | |
1898 | return -EINVAL; | |
1899 | ||
1900 | len = sizeof(config); | |
1901 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
1902 | if (ret != 0) { | |
1903 | devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed"); | |
1904 | return 0; | |
1905 | } | |
1906 | ||
461b3f2a | 1907 | config.ds_config = cpu_to_le32(dsconfig); |
bf164cc0 JK |
1908 | |
1909 | devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e); | |
1910 | return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config, | |
1911 | sizeof(config)); | |
1912 | } | |
1913 | ||
1914 | ||
1915 | static int rndis_iw_get_freq(struct net_device *dev, | |
1916 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1917 | { | |
524ad0a7 | 1918 | struct usbnet *usbdev = netdev_priv(dev); |
1e41e1d2 | 1919 | struct ndis_80211_conf config; |
bf164cc0 JK |
1920 | int len, ret; |
1921 | ||
1922 | len = sizeof(config); | |
1923 | ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); | |
1924 | if (ret == 0) | |
461b3f2a | 1925 | dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq); |
bf164cc0 JK |
1926 | |
1927 | devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m); | |
1928 | return ret; | |
1929 | } | |
1930 | ||
1931 | ||
1932 | static int rndis_iw_get_txpower(struct net_device *dev, | |
1933 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1934 | { | |
524ad0a7 | 1935 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1936 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1937 | __le32 tx_power; | |
1938 | int ret = 0, len; | |
1939 | ||
1940 | if (priv->radio_on) { | |
1941 | if (priv->caps & CAP_SUPPORT_TXPOWER) { | |
1942 | len = sizeof(tx_power); | |
1943 | ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, | |
1944 | &tx_power, &len); | |
1945 | if (ret != 0) | |
1946 | return ret; | |
1947 | } else | |
1948 | /* fake incase not supported */ | |
1949 | tx_power = cpu_to_le32(get_bcm4320_power(priv)); | |
1950 | ||
1951 | wrqu->txpower.flags = IW_TXPOW_MWATT; | |
1952 | wrqu->txpower.value = le32_to_cpu(tx_power); | |
1953 | wrqu->txpower.disabled = 0; | |
1954 | } else { | |
1955 | wrqu->txpower.flags = IW_TXPOW_MWATT; | |
1956 | wrqu->txpower.value = 0; | |
1957 | wrqu->txpower.disabled = 1; | |
1958 | } | |
1959 | ||
1960 | devdbg(usbdev, "SIOCGIWTXPOW: %d", wrqu->txpower.value); | |
1961 | ||
1962 | return ret; | |
1963 | } | |
1964 | ||
1965 | ||
1966 | static int rndis_iw_set_txpower(struct net_device *dev, | |
1967 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
1968 | { | |
524ad0a7 | 1969 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
1970 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
1971 | __le32 tx_power = 0; | |
1972 | int ret = 0; | |
1973 | ||
1974 | if (!wrqu->txpower.disabled) { | |
1975 | if (wrqu->txpower.flags == IW_TXPOW_MWATT) | |
1976 | tx_power = cpu_to_le32(wrqu->txpower.value); | |
1977 | else { /* wrqu->txpower.flags == IW_TXPOW_DBM */ | |
1978 | if (wrqu->txpower.value > 20) | |
1979 | tx_power = cpu_to_le32(128); | |
1980 | else if (wrqu->txpower.value < -43) | |
1981 | tx_power = cpu_to_le32(127); | |
1982 | else { | |
1983 | signed char tmp; | |
1984 | tmp = wrqu->txpower.value; | |
1985 | tmp = -12 - tmp; | |
1986 | tmp <<= 2; | |
1987 | tx_power = cpu_to_le32((unsigned char)tmp); | |
1988 | } | |
1989 | } | |
1990 | } | |
1991 | ||
1992 | devdbg(usbdev, "SIOCSIWTXPOW: %d", le32_to_cpu(tx_power)); | |
1993 | ||
1994 | if (le32_to_cpu(tx_power) != 0) { | |
1995 | if (priv->caps & CAP_SUPPORT_TXPOWER) { | |
1996 | /* turn radio on first */ | |
1997 | if (!priv->radio_on) | |
1998 | disassociate(usbdev, 1); | |
1999 | ||
2000 | ret = rndis_set_oid(usbdev, OID_802_11_TX_POWER_LEVEL, | |
2001 | &tx_power, sizeof(tx_power)); | |
2002 | if (ret != 0) | |
2003 | ret = -EOPNOTSUPP; | |
2004 | return ret; | |
2005 | } else { | |
2006 | /* txpower unsupported, just turn radio on */ | |
2007 | if (!priv->radio_on) | |
2008 | return disassociate(usbdev, 1); | |
2009 | return 0; /* all ready on */ | |
2010 | } | |
2011 | } | |
2012 | ||
2013 | /* tx_power == 0, turn off radio */ | |
2014 | return disassociate(usbdev, 0); | |
2015 | } | |
2016 | ||
2017 | ||
2018 | static int rndis_iw_get_rate(struct net_device *dev, | |
2019 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2020 | { | |
524ad0a7 | 2021 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
2022 | __le32 tmp; |
2023 | int ret, len; | |
2024 | ||
2025 | len = sizeof(tmp); | |
2026 | ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len); | |
2027 | if (ret == 0) { | |
2028 | wrqu->bitrate.value = le32_to_cpu(tmp) * 100; | |
2029 | wrqu->bitrate.disabled = 0; | |
2030 | wrqu->bitrate.flags = 1; | |
2031 | } | |
2032 | return ret; | |
2033 | } | |
2034 | ||
2035 | ||
2036 | static int rndis_iw_set_mlme(struct net_device *dev, | |
2037 | struct iw_request_info *info, union iwreq_data *wrqu, char *extra) | |
2038 | { | |
524ad0a7 | 2039 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
2040 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
2041 | struct iw_mlme *mlme = (struct iw_mlme *)extra; | |
2042 | unsigned char bssid[ETH_ALEN]; | |
2043 | ||
2044 | get_bssid(usbdev, bssid); | |
2045 | ||
2046 | if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN)) | |
2047 | return -EINVAL; | |
2048 | ||
2049 | switch (mlme->cmd) { | |
2050 | case IW_MLME_DEAUTH: | |
2051 | return deauthenticate(usbdev); | |
2052 | case IW_MLME_DISASSOC: | |
2053 | return disassociate(usbdev, priv->radio_on); | |
2054 | default: | |
2055 | return -EOPNOTSUPP; | |
2056 | } | |
2057 | ||
2058 | return 0; | |
2059 | } | |
2060 | ||
2061 | ||
2062 | static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev) | |
2063 | { | |
524ad0a7 | 2064 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
2065 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
2066 | unsigned long flags; | |
2067 | ||
2068 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2069 | memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats)); | |
2070 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2071 | ||
2072 | return &priv->iwstats; | |
2073 | } | |
2074 | ||
2075 | ||
2076 | #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT] | |
2077 | static const iw_handler rndis_iw_handler[] = | |
2078 | { | |
2079 | IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit, | |
5c8fa4f7 | 2080 | IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname, |
bf164cc0 JK |
2081 | IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq, |
2082 | IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq, | |
964c1d41 JL |
2083 | IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode, |
2084 | IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode, | |
4d2a369e | 2085 | IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange, |
bf164cc0 JK |
2086 | IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid, |
2087 | IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid, | |
2088 | IW_IOCTL(SIOCSIWSCAN) = rndis_iw_set_scan, | |
2089 | IW_IOCTL(SIOCGIWSCAN) = rndis_iw_get_scan, | |
2090 | IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid, | |
2091 | IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid, | |
2092 | IW_IOCTL(SIOCSIWNICKN) = rndis_iw_set_nick, | |
2093 | IW_IOCTL(SIOCGIWNICKN) = rndis_iw_get_nick, | |
2094 | IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate, | |
2095 | IW_IOCTL(SIOCSIWRTS) = rndis_iw_set_rts, | |
2096 | IW_IOCTL(SIOCGIWRTS) = rndis_iw_get_rts, | |
2097 | IW_IOCTL(SIOCSIWFRAG) = rndis_iw_set_frag, | |
2098 | IW_IOCTL(SIOCGIWFRAG) = rndis_iw_get_frag, | |
2099 | IW_IOCTL(SIOCSIWTXPOW) = rndis_iw_set_txpower, | |
2100 | IW_IOCTL(SIOCGIWTXPOW) = rndis_iw_get_txpower, | |
2101 | IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode, | |
2102 | IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext, | |
2103 | IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth, | |
2104 | IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth, | |
2105 | IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie, | |
2106 | IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie, | |
2107 | IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme, | |
2108 | }; | |
2109 | ||
2110 | static const iw_handler rndis_wext_private_handler[] = { | |
2111 | }; | |
2112 | ||
2113 | static const struct iw_priv_args rndis_wext_private_args[] = { | |
2114 | }; | |
2115 | ||
2116 | ||
2117 | static const struct iw_handler_def rndis_iw_handlers = { | |
2118 | .num_standard = ARRAY_SIZE(rndis_iw_handler), | |
2119 | .num_private = ARRAY_SIZE(rndis_wext_private_handler), | |
2120 | .num_private_args = ARRAY_SIZE(rndis_wext_private_args), | |
2121 | .standard = (iw_handler *)rndis_iw_handler, | |
2122 | .private = (iw_handler *)rndis_wext_private_handler, | |
2123 | .private_args = (struct iw_priv_args *)rndis_wext_private_args, | |
2124 | .get_wireless_stats = rndis_get_wireless_stats, | |
2125 | }; | |
2126 | ||
2127 | ||
2128 | static void rndis_wext_worker(struct work_struct *work) | |
2129 | { | |
2130 | struct rndis_wext_private *priv = | |
2131 | container_of(work, struct rndis_wext_private, work); | |
2132 | struct usbnet *usbdev = priv->usbdev; | |
2133 | union iwreq_data evt; | |
2134 | unsigned char bssid[ETH_ALEN]; | |
4364623c SA |
2135 | struct ndis_80211_assoc_info *info; |
2136 | int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32; | |
2137 | int ret, offset; | |
bf164cc0 | 2138 | |
6010ce07 | 2139 | if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) { |
5331b96c JK |
2140 | netif_carrier_on(usbdev->net); |
2141 | ||
4364623c SA |
2142 | info = kzalloc(assoc_size, GFP_KERNEL); |
2143 | if (!info) | |
2144 | goto get_bssid; | |
bf164cc0 | 2145 | |
4364623c SA |
2146 | /* Get association info IEs from device and send them back to |
2147 | * userspace. */ | |
2148 | ret = get_association_info(usbdev, info, assoc_size); | |
2149 | if (!ret) { | |
2150 | evt.data.length = le32_to_cpu(info->req_ie_length); | |
2151 | if (evt.data.length > 0) { | |
2152 | offset = le32_to_cpu(info->offset_req_ies); | |
2153 | wireless_send_event(usbdev->net, | |
2154 | IWEVASSOCREQIE, &evt, | |
2155 | (char *)info + offset); | |
2156 | } | |
2157 | ||
2158 | evt.data.length = le32_to_cpu(info->resp_ie_length); | |
2159 | if (evt.data.length > 0) { | |
2160 | offset = le32_to_cpu(info->offset_resp_ies); | |
2161 | wireless_send_event(usbdev->net, | |
2162 | IWEVASSOCRESPIE, &evt, | |
2163 | (char *)info + offset); | |
2164 | } | |
2165 | } | |
2166 | ||
2167 | kfree(info); | |
bf164cc0 | 2168 | |
4364623c SA |
2169 | get_bssid: |
2170 | ret = get_bssid(usbdev, bssid); | |
bf164cc0 JK |
2171 | if (!ret) { |
2172 | evt.data.flags = 0; | |
2173 | evt.data.length = 0; | |
2174 | memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN); | |
2175 | wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); | |
2176 | } | |
2177 | } | |
2178 | ||
6010ce07 | 2179 | if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) { |
5331b96c JK |
2180 | netif_carrier_off(usbdev->net); |
2181 | ||
6010ce07 JK |
2182 | evt.data.flags = 0; |
2183 | evt.data.length = 0; | |
2184 | memset(evt.ap_addr.sa_data, 0, ETH_ALEN); | |
2185 | wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); | |
2186 | } | |
2187 | ||
bf164cc0 JK |
2188 | if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2189 | set_multicast_list(usbdev); | |
2190 | } | |
2191 | ||
2192 | static void rndis_wext_set_multicast_list(struct net_device *dev) | |
2193 | { | |
524ad0a7 | 2194 | struct usbnet *usbdev = netdev_priv(dev); |
bf164cc0 JK |
2195 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
2196 | ||
a67edb9e JK |
2197 | if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
2198 | return; | |
2199 | ||
bf164cc0 JK |
2200 | set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
2201 | queue_work(priv->workqueue, &priv->work); | |
2202 | } | |
2203 | ||
a19d7292 | 2204 | static void rndis_wext_link_change(struct usbnet *usbdev, int state) |
bf164cc0 | 2205 | { |
a19d7292 | 2206 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
bf164cc0 | 2207 | |
6010ce07 JK |
2208 | /* queue work to avoid recursive calls into rndis_command */ |
2209 | set_bit(state ? WORK_LINK_UP : WORK_LINK_DOWN, &priv->work_pending); | |
2210 | queue_work(priv->workqueue, &priv->work); | |
bf164cc0 JK |
2211 | } |
2212 | ||
2213 | ||
a19d7292 | 2214 | static int rndis_wext_get_caps(struct usbnet *usbdev) |
bf164cc0 JK |
2215 | { |
2216 | struct { | |
2217 | __le32 num_items; | |
2218 | __le32 items[8]; | |
2219 | } networks_supported; | |
2220 | int len, retval, i, n; | |
2221 | __le32 tx_power; | |
a19d7292 | 2222 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
bf164cc0 JK |
2223 | |
2224 | /* determine if supports setting txpower */ | |
2225 | len = sizeof(tx_power); | |
a19d7292 JK |
2226 | retval = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, &tx_power, |
2227 | &len); | |
bf164cc0 JK |
2228 | if (retval == 0 && le32_to_cpu(tx_power) != 0xFF) |
2229 | priv->caps |= CAP_SUPPORT_TXPOWER; | |
2230 | ||
2231 | /* determine supported modes */ | |
2232 | len = sizeof(networks_supported); | |
a19d7292 | 2233 | retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED, |
bf164cc0 JK |
2234 | &networks_supported, &len); |
2235 | if (retval >= 0) { | |
2236 | n = le32_to_cpu(networks_supported.num_items); | |
2237 | if (n > 8) | |
2238 | n = 8; | |
2239 | for (i = 0; i < n; i++) { | |
2240 | switch (le32_to_cpu(networks_supported.items[i])) { | |
1e41e1d2 JK |
2241 | case ndis_80211_type_freq_hop: |
2242 | case ndis_80211_type_direct_seq: | |
bf164cc0 JK |
2243 | priv->caps |= CAP_MODE_80211B; |
2244 | break; | |
1e41e1d2 | 2245 | case ndis_80211_type_ofdm_a: |
bf164cc0 JK |
2246 | priv->caps |= CAP_MODE_80211A; |
2247 | break; | |
1e41e1d2 | 2248 | case ndis_80211_type_ofdm_g: |
bf164cc0 JK |
2249 | priv->caps |= CAP_MODE_80211G; |
2250 | break; | |
2251 | } | |
2252 | } | |
bf164cc0 JK |
2253 | } |
2254 | ||
2255 | return retval; | |
2256 | } | |
2257 | ||
2258 | ||
2259 | #define STATS_UPDATE_JIFFIES (HZ) | |
2260 | static void rndis_update_wireless_stats(struct work_struct *work) | |
2261 | { | |
2262 | struct rndis_wext_private *priv = | |
2263 | container_of(work, struct rndis_wext_private, stats_work.work); | |
2264 | struct usbnet *usbdev = priv->usbdev; | |
2265 | struct iw_statistics iwstats; | |
2266 | __le32 rssi, tmp; | |
a97b1f3d | 2267 | int len, ret, j; |
bf164cc0 JK |
2268 | unsigned long flags; |
2269 | int update_jiffies = STATS_UPDATE_JIFFIES; | |
2270 | void *buf; | |
2271 | ||
2272 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2273 | memcpy(&iwstats, &priv->privstats, sizeof(iwstats)); | |
2274 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2275 | ||
2276 | /* only update stats when connected */ | |
2277 | if (!is_associated(usbdev)) { | |
2278 | iwstats.qual.qual = 0; | |
2279 | iwstats.qual.level = 0; | |
2280 | iwstats.qual.updated = IW_QUAL_QUAL_UPDATED | |
2281 | | IW_QUAL_LEVEL_UPDATED | |
2282 | | IW_QUAL_NOISE_INVALID | |
2283 | | IW_QUAL_QUAL_INVALID | |
2284 | | IW_QUAL_LEVEL_INVALID; | |
2285 | goto end; | |
2286 | } | |
2287 | ||
2288 | len = sizeof(rssi); | |
2289 | ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); | |
2290 | ||
2291 | devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret, | |
2292 | le32_to_cpu(rssi)); | |
2293 | if (ret == 0) { | |
2294 | memset(&iwstats.qual, 0, sizeof(iwstats.qual)); | |
2295 | iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi)); | |
4bd7f03e | 2296 | iwstats.qual.level = level_to_qual(le32_to_cpu(rssi)); |
bf164cc0 JK |
2297 | iwstats.qual.updated = IW_QUAL_QUAL_UPDATED |
2298 | | IW_QUAL_LEVEL_UPDATED | |
2299 | | IW_QUAL_NOISE_INVALID; | |
2300 | } | |
2301 | ||
2302 | memset(&iwstats.discard, 0, sizeof(iwstats.discard)); | |
2303 | ||
2304 | len = sizeof(tmp); | |
2305 | ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len); | |
2306 | if (ret == 0) | |
2307 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2308 | ||
2309 | len = sizeof(tmp); | |
2310 | ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len); | |
2311 | if (ret == 0) | |
2312 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2313 | ||
2314 | len = sizeof(tmp); | |
2315 | ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len); | |
2316 | if (ret == 0) | |
2317 | iwstats.discard.misc += le32_to_cpu(tmp); | |
2318 | ||
a97b1f3d JK |
2319 | /* Workaround transfer stalls on poor quality links. |
2320 | * TODO: find right way to fix these stalls (as stalls do not happen | |
2321 | * with ndiswrapper/windows driver). */ | |
2322 | if (iwstats.qual.qual <= 25) { | |
bf164cc0 JK |
2323 | /* Decrease stats worker interval to catch stalls. |
2324 | * faster. Faster than 400-500ms causes packet loss, | |
2325 | * Slower doesn't catch stalls fast enough. | |
2326 | */ | |
2327 | j = msecs_to_jiffies(priv->param_workaround_interval); | |
2328 | if (j > STATS_UPDATE_JIFFIES) | |
2329 | j = STATS_UPDATE_JIFFIES; | |
2330 | else if (j <= 0) | |
2331 | j = 1; | |
2332 | update_jiffies = j; | |
2333 | ||
2334 | /* Send scan OID. Use of both OIDs is required to get device | |
2335 | * working. | |
2336 | */ | |
35c26c2c | 2337 | tmp = cpu_to_le32(1); |
bf164cc0 JK |
2338 | rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, |
2339 | sizeof(tmp)); | |
2340 | ||
2341 | len = CONTROL_BUFFER_SIZE; | |
2342 | buf = kmalloc(len, GFP_KERNEL); | |
2343 | if (!buf) | |
2344 | goto end; | |
2345 | ||
2346 | rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); | |
2347 | kfree(buf); | |
2348 | } | |
2349 | end: | |
2350 | spin_lock_irqsave(&priv->stats_lock, flags); | |
2351 | memcpy(&priv->privstats, &iwstats, sizeof(iwstats)); | |
2352 | spin_unlock_irqrestore(&priv->stats_lock, flags); | |
2353 | ||
2354 | if (update_jiffies >= HZ) | |
2355 | update_jiffies = round_jiffies_relative(update_jiffies); | |
2356 | else { | |
2357 | j = round_jiffies_relative(update_jiffies); | |
2358 | if (abs(j - update_jiffies) <= 10) | |
2359 | update_jiffies = j; | |
2360 | } | |
2361 | ||
2362 | queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies); | |
2363 | } | |
2364 | ||
2365 | ||
a19d7292 | 2366 | static int bcm4320_early_init(struct usbnet *usbdev) |
bf164cc0 | 2367 | { |
a19d7292 | 2368 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
bf164cc0 JK |
2369 | char buf[8]; |
2370 | ||
2371 | /* Early initialization settings, setting these won't have effect | |
2372 | * if called after generic_rndis_bind(). | |
2373 | */ | |
2374 | ||
2375 | priv->param_country[0] = modparam_country[0]; | |
2376 | priv->param_country[1] = modparam_country[1]; | |
2377 | priv->param_country[2] = 0; | |
2378 | priv->param_frameburst = modparam_frameburst; | |
2379 | priv->param_afterburner = modparam_afterburner; | |
2380 | priv->param_power_save = modparam_power_save; | |
2381 | priv->param_power_output = modparam_power_output; | |
2382 | priv->param_roamtrigger = modparam_roamtrigger; | |
2383 | priv->param_roamdelta = modparam_roamdelta; | |
bf164cc0 JK |
2384 | |
2385 | priv->param_country[0] = toupper(priv->param_country[0]); | |
2386 | priv->param_country[1] = toupper(priv->param_country[1]); | |
2387 | /* doesn't support EU as country code, use FI instead */ | |
2388 | if (!strcmp(priv->param_country, "EU")) | |
2389 | strcpy(priv->param_country, "FI"); | |
2390 | ||
2391 | if (priv->param_power_save < 0) | |
2392 | priv->param_power_save = 0; | |
2393 | else if (priv->param_power_save > 2) | |
2394 | priv->param_power_save = 2; | |
2395 | ||
a7624837 JK |
2396 | if (priv->param_power_output < 0) |
2397 | priv->param_power_output = 0; | |
2398 | else if (priv->param_power_output > 3) | |
2399 | priv->param_power_output = 3; | |
2400 | ||
bf164cc0 JK |
2401 | if (priv->param_roamtrigger < -80) |
2402 | priv->param_roamtrigger = -80; | |
2403 | else if (priv->param_roamtrigger > -60) | |
2404 | priv->param_roamtrigger = -60; | |
2405 | ||
2406 | if (priv->param_roamdelta < 0) | |
2407 | priv->param_roamdelta = 0; | |
2408 | else if (priv->param_roamdelta > 2) | |
2409 | priv->param_roamdelta = 2; | |
2410 | ||
4d381ffb | 2411 | if (modparam_workaround_interval < 0) |
bf164cc0 | 2412 | priv->param_workaround_interval = 500; |
4d381ffb RK |
2413 | else |
2414 | priv->param_workaround_interval = modparam_workaround_interval; | |
bf164cc0 | 2415 | |
a19d7292 JK |
2416 | rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
2417 | rndis_set_config_parameter_str(usbdev, "FrameBursting", | |
bf164cc0 | 2418 | priv->param_frameburst ? "1" : "0"); |
a19d7292 | 2419 | rndis_set_config_parameter_str(usbdev, "Afterburner", |
bf164cc0 JK |
2420 | priv->param_afterburner ? "1" : "0"); |
2421 | sprintf(buf, "%d", priv->param_power_save); | |
a19d7292 | 2422 | rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
bf164cc0 | 2423 | sprintf(buf, "%d", priv->param_power_output); |
a19d7292 | 2424 | rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
bf164cc0 | 2425 | sprintf(buf, "%d", priv->param_roamtrigger); |
a19d7292 | 2426 | rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
bf164cc0 | 2427 | sprintf(buf, "%d", priv->param_roamdelta); |
a19d7292 | 2428 | rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
bf164cc0 JK |
2429 | |
2430 | return 0; | |
2431 | } | |
2432 | ||
23d12e2b DM |
2433 | /* same as rndis_netdev_ops but with local multicast handler */ |
2434 | static const struct net_device_ops rndis_wext_netdev_ops = { | |
2435 | .ndo_open = usbnet_open, | |
2436 | .ndo_stop = usbnet_stop, | |
2437 | .ndo_start_xmit = usbnet_start_xmit, | |
2438 | .ndo_tx_timeout = usbnet_tx_timeout, | |
2439 | .ndo_set_mac_address = eth_mac_addr, | |
2440 | .ndo_validate_addr = eth_validate_addr, | |
2441 | .ndo_set_multicast_list = rndis_wext_set_multicast_list, | |
2442 | }; | |
2443 | ||
bf164cc0 | 2444 | |
a19d7292 | 2445 | static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2446 | { |
5c8fa4f7 | 2447 | struct wiphy *wiphy; |
bf164cc0 JK |
2448 | struct rndis_wext_private *priv; |
2449 | int retval, len; | |
2450 | __le32 tmp; | |
2451 | ||
5c8fa4f7 JL |
2452 | /* allocate wiphy and rndis private data |
2453 | * NOTE: We only support a single virtual interface, so wiphy | |
2454 | * and wireless_dev are somewhat synonymous for this device. | |
2455 | */ | |
2456 | wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wext_private)); | |
2457 | if (!wiphy) | |
bf164cc0 JK |
2458 | return -ENOMEM; |
2459 | ||
5c8fa4f7 JL |
2460 | priv = wiphy_priv(wiphy); |
2461 | usbdev->net->ieee80211_ptr = &priv->wdev; | |
2462 | priv->wdev.wiphy = wiphy; | |
2463 | priv->wdev.iftype = NL80211_IFTYPE_STATION; | |
2464 | ||
bf164cc0 JK |
2465 | /* These have to be initialized before calling generic_rndis_bind(). |
2466 | * Otherwise we'll be in big trouble in rndis_wext_early_init(). | |
2467 | */ | |
a19d7292 | 2468 | usbdev->driver_priv = priv; |
a19d7292 JK |
2469 | usbdev->net->wireless_handlers = &rndis_iw_handlers; |
2470 | priv->usbdev = usbdev; | |
bf164cc0 JK |
2471 | |
2472 | mutex_init(&priv->command_lock); | |
2473 | spin_lock_init(&priv->stats_lock); | |
2474 | ||
2475 | /* try bind rndis_host */ | |
a19d7292 | 2476 | retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
bf164cc0 JK |
2477 | if (retval < 0) |
2478 | goto fail; | |
2479 | ||
2480 | /* generic_rndis_bind set packet filter to multicast_all+ | |
2481 | * promisc mode which doesn't work well for our devices (device | |
2482 | * picks up rssi to closest station instead of to access point). | |
2483 | * | |
2484 | * rndis_host wants to avoid all OID as much as possible | |
2485 | * so do promisc/multicast handling in rndis_wext. | |
2486 | */ | |
23d12e2b DM |
2487 | usbdev->net->netdev_ops = &rndis_wext_netdev_ops; |
2488 | ||
bf164cc0 | 2489 | tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; |
a19d7292 | 2490 | retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp, |
bf164cc0 JK |
2491 | sizeof(tmp)); |
2492 | ||
2493 | len = sizeof(tmp); | |
a19d7292 JK |
2494 | retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, |
2495 | &len); | |
bf164cc0 JK |
2496 | priv->multicast_size = le32_to_cpu(tmp); |
2497 | if (retval < 0 || priv->multicast_size < 0) | |
2498 | priv->multicast_size = 0; | |
2499 | if (priv->multicast_size > 0) | |
a19d7292 | 2500 | usbdev->net->flags |= IFF_MULTICAST; |
bf164cc0 | 2501 | else |
a19d7292 | 2502 | usbdev->net->flags &= ~IFF_MULTICAST; |
bf164cc0 JK |
2503 | |
2504 | priv->iwstats.qual.qual = 0; | |
2505 | priv->iwstats.qual.level = 0; | |
2506 | priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED | |
2507 | | IW_QUAL_LEVEL_UPDATED | |
2508 | | IW_QUAL_NOISE_INVALID | |
2509 | | IW_QUAL_QUAL_INVALID | |
2510 | | IW_QUAL_LEVEL_INVALID; | |
2511 | ||
5c8fa4f7 JL |
2512 | /* fill-out wiphy structure and register w/ cfg80211 */ |
2513 | memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN); | |
2514 | wiphy->privid = rndis_wiphy_privid; | |
2515 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2516 | | BIT(NL80211_IFTYPE_ADHOC); | |
2517 | wiphy->max_scan_ssids = 1; | |
2518 | ||
2519 | /* TODO: fill-out band information based on priv->caps */ | |
a19d7292 | 2520 | rndis_wext_get_caps(usbdev); |
5c8fa4f7 JL |
2521 | |
2522 | memcpy(priv->channels, rndis_channels, sizeof(rndis_channels)); | |
2523 | memcpy(priv->rates, rndis_rates, sizeof(rndis_rates)); | |
2524 | priv->band.channels = priv->channels; | |
2525 | priv->band.n_channels = ARRAY_SIZE(rndis_channels); | |
2526 | priv->band.bitrates = priv->rates; | |
2527 | priv->band.n_bitrates = ARRAY_SIZE(rndis_rates); | |
2528 | wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; | |
4d2a369e | 2529 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; |
5c8fa4f7 JL |
2530 | |
2531 | set_wiphy_dev(wiphy, &usbdev->udev->dev); | |
2532 | ||
2533 | if (wiphy_register(wiphy)) { | |
2534 | wiphy_free(wiphy); | |
2535 | return -ENODEV; | |
2536 | } | |
2537 | ||
a19d7292 | 2538 | set_default_iw_params(usbdev); |
bf164cc0 JK |
2539 | |
2540 | /* turn radio on */ | |
2541 | priv->radio_on = 1; | |
a19d7292 JK |
2542 | disassociate(usbdev, 1); |
2543 | netif_carrier_off(usbdev->net); | |
bf164cc0 JK |
2544 | |
2545 | /* because rndis_command() sleeps we need to use workqueue */ | |
2546 | priv->workqueue = create_singlethread_workqueue("rndis_wlan"); | |
2547 | INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats); | |
2548 | queue_delayed_work(priv->workqueue, &priv->stats_work, | |
2549 | round_jiffies_relative(STATS_UPDATE_JIFFIES)); | |
2550 | INIT_WORK(&priv->work, rndis_wext_worker); | |
2551 | ||
2552 | return 0; | |
2553 | ||
2554 | fail: | |
2555 | kfree(priv); | |
2556 | return retval; | |
2557 | } | |
2558 | ||
2559 | ||
a19d7292 | 2560 | static void rndis_wext_unbind(struct usbnet *usbdev, struct usb_interface *intf) |
bf164cc0 | 2561 | { |
a19d7292 | 2562 | struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
bf164cc0 JK |
2563 | |
2564 | /* turn radio off */ | |
a19d7292 | 2565 | disassociate(usbdev, 0); |
bf164cc0 JK |
2566 | |
2567 | cancel_delayed_work_sync(&priv->stats_work); | |
2568 | cancel_work_sync(&priv->work); | |
2569 | flush_workqueue(priv->workqueue); | |
2570 | destroy_workqueue(priv->workqueue); | |
2571 | ||
2572 | if (priv && priv->wpa_ie_len) | |
2573 | kfree(priv->wpa_ie); | |
bf164cc0 | 2574 | |
a19d7292 | 2575 | rndis_unbind(usbdev, intf); |
5c8fa4f7 JL |
2576 | |
2577 | wiphy_unregister(priv->wdev.wiphy); | |
2578 | wiphy_free(priv->wdev.wiphy); | |
bf164cc0 JK |
2579 | } |
2580 | ||
2581 | ||
a19d7292 | 2582 | static int rndis_wext_reset(struct usbnet *usbdev) |
bf164cc0 | 2583 | { |
a19d7292 | 2584 | return deauthenticate(usbdev); |
bf164cc0 JK |
2585 | } |
2586 | ||
2587 | ||
2588 | static const struct driver_info bcm4320b_info = { | |
2589 | .description = "Wireless RNDIS device, BCM4320b based", | |
2590 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, | |
2591 | .bind = rndis_wext_bind, | |
2592 | .unbind = rndis_wext_unbind, | |
2593 | .status = rndis_status, | |
2594 | .rx_fixup = rndis_rx_fixup, | |
2595 | .tx_fixup = rndis_tx_fixup, | |
2596 | .reset = rndis_wext_reset, | |
2597 | .early_init = bcm4320_early_init, | |
2598 | .link_change = rndis_wext_link_change, | |
2599 | }; | |
2600 | ||
2601 | static const struct driver_info bcm4320a_info = { | |
2602 | .description = "Wireless RNDIS device, BCM4320a based", | |
2603 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, | |
2604 | .bind = rndis_wext_bind, | |
2605 | .unbind = rndis_wext_unbind, | |
2606 | .status = rndis_status, | |
2607 | .rx_fixup = rndis_rx_fixup, | |
2608 | .tx_fixup = rndis_tx_fixup, | |
2609 | .reset = rndis_wext_reset, | |
2610 | .early_init = bcm4320_early_init, | |
2611 | .link_change = rndis_wext_link_change, | |
2612 | }; | |
2613 | ||
2614 | static const struct driver_info rndis_wext_info = { | |
2615 | .description = "Wireless RNDIS device", | |
2616 | .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, | |
2617 | .bind = rndis_wext_bind, | |
2618 | .unbind = rndis_wext_unbind, | |
2619 | .status = rndis_status, | |
2620 | .rx_fixup = rndis_rx_fixup, | |
2621 | .tx_fixup = rndis_tx_fixup, | |
2622 | .reset = rndis_wext_reset, | |
2623 | .early_init = bcm4320_early_init, | |
2624 | .link_change = rndis_wext_link_change, | |
2625 | }; | |
2626 | ||
2627 | /*-------------------------------------------------------------------------*/ | |
2628 | ||
2629 | static const struct usb_device_id products [] = { | |
2630 | #define RNDIS_MASTER_INTERFACE \ | |
2631 | .bInterfaceClass = USB_CLASS_COMM, \ | |
2632 | .bInterfaceSubClass = 2 /* ACM */, \ | |
2633 | .bInterfaceProtocol = 0x0ff | |
2634 | ||
2635 | /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom | |
2636 | * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki. | |
2637 | */ | |
2638 | { | |
2639 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2640 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2641 | .idVendor = 0x0411, | |
2642 | .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */ | |
2643 | RNDIS_MASTER_INTERFACE, | |
2644 | .driver_info = (unsigned long) &bcm4320b_info, | |
2645 | }, { | |
2646 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2647 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2648 | .idVendor = 0x0baf, | |
2649 | .idProduct = 0x011b, /* U.S. Robotics USR5421 */ | |
2650 | RNDIS_MASTER_INTERFACE, | |
2651 | .driver_info = (unsigned long) &bcm4320b_info, | |
2652 | }, { | |
2653 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2654 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2655 | .idVendor = 0x050d, | |
2656 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
2657 | RNDIS_MASTER_INTERFACE, | |
2658 | .driver_info = (unsigned long) &bcm4320b_info, | |
2659 | }, { | |
2660 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2661 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2662 | .idVendor = 0x1799, /* Belkin has two vendor ids */ | |
2663 | .idProduct = 0x011b, /* Belkin F5D7051 */ | |
2664 | RNDIS_MASTER_INTERFACE, | |
2665 | .driver_info = (unsigned long) &bcm4320b_info, | |
2666 | }, { | |
2667 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2668 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2669 | .idVendor = 0x13b1, | |
2670 | .idProduct = 0x0014, /* Linksys WUSB54GSv2 */ | |
2671 | RNDIS_MASTER_INTERFACE, | |
2672 | .driver_info = (unsigned long) &bcm4320b_info, | |
2673 | }, { | |
2674 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2675 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2676 | .idVendor = 0x13b1, | |
2677 | .idProduct = 0x0026, /* Linksys WUSB54GSC */ | |
2678 | RNDIS_MASTER_INTERFACE, | |
2679 | .driver_info = (unsigned long) &bcm4320b_info, | |
2680 | }, { | |
2681 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2682 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2683 | .idVendor = 0x0b05, | |
2684 | .idProduct = 0x1717, /* Asus WL169gE */ | |
2685 | RNDIS_MASTER_INTERFACE, | |
2686 | .driver_info = (unsigned long) &bcm4320b_info, | |
2687 | }, { | |
2688 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2689 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2690 | .idVendor = 0x0a5c, | |
2691 | .idProduct = 0xd11b, /* Eminent EM4045 */ | |
2692 | RNDIS_MASTER_INTERFACE, | |
2693 | .driver_info = (unsigned long) &bcm4320b_info, | |
2694 | }, { | |
2695 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2696 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2697 | .idVendor = 0x1690, | |
2698 | .idProduct = 0x0715, /* BT Voyager 1055 */ | |
2699 | RNDIS_MASTER_INTERFACE, | |
2700 | .driver_info = (unsigned long) &bcm4320b_info, | |
2701 | }, | |
2702 | /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom | |
2703 | * parameters available, hardware probably contain older firmware version with | |
2704 | * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki. | |
2705 | */ | |
2706 | { | |
2707 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2708 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2709 | .idVendor = 0x13b1, | |
2710 | .idProduct = 0x000e, /* Linksys WUSB54GSv1 */ | |
2711 | RNDIS_MASTER_INTERFACE, | |
2712 | .driver_info = (unsigned long) &bcm4320a_info, | |
2713 | }, { | |
2714 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2715 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2716 | .idVendor = 0x0baf, | |
2717 | .idProduct = 0x0111, /* U.S. Robotics USR5420 */ | |
2718 | RNDIS_MASTER_INTERFACE, | |
2719 | .driver_info = (unsigned long) &bcm4320a_info, | |
2720 | }, { | |
2721 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
2722 | | USB_DEVICE_ID_MATCH_DEVICE, | |
2723 | .idVendor = 0x0411, | |
2724 | .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */ | |
2725 | RNDIS_MASTER_INTERFACE, | |
2726 | .driver_info = (unsigned long) &bcm4320a_info, | |
2727 | }, | |
2728 | /* Generic Wireless RNDIS devices that we don't have exact | |
2729 | * idVendor/idProduct/chip yet. | |
2730 | */ | |
2731 | { | |
2732 | /* RNDIS is MSFT's un-official variant of CDC ACM */ | |
2733 | USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), | |
2734 | .driver_info = (unsigned long) &rndis_wext_info, | |
2735 | }, { | |
2736 | /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ | |
2737 | USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), | |
2738 | .driver_info = (unsigned long) &rndis_wext_info, | |
2739 | }, | |
2740 | { }, // END | |
2741 | }; | |
2742 | MODULE_DEVICE_TABLE(usb, products); | |
2743 | ||
2744 | static struct usb_driver rndis_wlan_driver = { | |
2745 | .name = "rndis_wlan", | |
2746 | .id_table = products, | |
2747 | .probe = usbnet_probe, | |
2748 | .disconnect = usbnet_disconnect, | |
2749 | .suspend = usbnet_suspend, | |
2750 | .resume = usbnet_resume, | |
2751 | }; | |
2752 | ||
2753 | static int __init rndis_wlan_init(void) | |
2754 | { | |
2755 | return usb_register(&rndis_wlan_driver); | |
2756 | } | |
2757 | module_init(rndis_wlan_init); | |
2758 | ||
2759 | static void __exit rndis_wlan_exit(void) | |
2760 | { | |
2761 | usb_deregister(&rndis_wlan_driver); | |
2762 | } | |
2763 | module_exit(rndis_wlan_exit); | |
2764 | ||
2765 | MODULE_AUTHOR("Bjorge Dijkstra"); | |
2766 | MODULE_AUTHOR("Jussi Kivilinna"); | |
2767 | MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); | |
2768 | MODULE_LICENSE("GPL"); | |
2769 |